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1/*****************************************************************************/
2/* ips.c -- driver for the Adaptec / IBM ServeRAID controller */
3/* */
4/* Written By: Keith Mitchell, IBM Corporation */
5/* Jack Hammer, Adaptec, Inc. */
6/* David Jeffery, Adaptec, Inc. */
7/* */
8/* Copyright (C) 2000 IBM Corporation */
9/* Copyright (C) 2002,2003 Adaptec, Inc. */
10/* */
11/* This program is free software; you can redistribute it and/or modify */
12/* it under the terms of the GNU General Public License as published by */
13/* the Free Software Foundation; either version 2 of the License, or */
14/* (at your option) any later version. */
15/* */
16/* This program is distributed in the hope that it will be useful, */
17/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
18/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
19/* GNU General Public License for more details. */
20/* */
21/* NO WARRANTY */
22/* THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR */
23/* CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT */
24/* LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, */
25/* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is */
26/* solely responsible for determining the appropriateness of using and */
27/* distributing the Program and assumes all risks associated with its */
28/* exercise of rights under this Agreement, including but not limited to */
29/* the risks and costs of program errors, damage to or loss of data, */
30/* programs or equipment, and unavailability or interruption of operations. */
31/* */
32/* DISCLAIMER OF LIABILITY */
33/* NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY */
34/* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL */
35/* DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND */
36/* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR */
37/* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE */
38/* USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED */
39/* HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES */
40/* */
41/* You should have received a copy of the GNU General Public License */
42/* along with this program; if not, write to the Free Software */
43/* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
44/* */
45/* Bugs/Comments/Suggestions about this driver should be mailed to: */
46/* ipslinux@adaptec.com */
47/* */
48/* For system support issues, contact your local IBM Customer support. */
49/* Directions to find IBM Customer Support for each country can be found at: */
50/* http://www.ibm.com/planetwide/ */
51/* */
52/*****************************************************************************/
53
54/*****************************************************************************/
55/* Change Log */
56/* */
57/* 0.99.02 - Breakup commands that are bigger than 8 * the stripe size */
58/* 0.99.03 - Make interrupt routine handle all completed request on the */
59/* adapter not just the first one */
60/* - Make sure passthru commands get woken up if we run out of */
61/* SCBs */
62/* - Send all of the commands on the queue at once rather than */
63/* one at a time since the card will support it. */
64/* 0.99.04 - Fix race condition in the passthru mechanism -- this required */
65/* the interface to the utilities to change */
66/* - Fix error recovery code */
67/* 0.99.05 - Fix an oops when we get certain passthru commands */
68/* 1.00.00 - Initial Public Release */
69/* Functionally equivalent to 0.99.05 */
70/* 3.60.00 - Bump max commands to 128 for use with firmware 3.60 */
71/* - Change version to 3.60 to coincide with release numbering. */
72/* 3.60.01 - Remove bogus error check in passthru routine */
73/* 3.60.02 - Make DCDB direction based on lookup table */
74/* - Only allow one DCDB command to a SCSI ID at a time */
75/* 4.00.00 - Add support for ServeRAID 4 */
76/* 4.00.01 - Add support for First Failure Data Capture */
77/* 4.00.02 - Fix problem with PT DCDB with no buffer */
78/* 4.00.03 - Add alternative passthru interface */
79/* - Add ability to flash BIOS */
80/* 4.00.04 - Rename structures/constants to be prefixed with IPS_ */
81/* 4.00.05 - Remove wish_block from init routine */
82/* - Use linux/spinlock.h instead of asm/spinlock.h for kernels */
83/* 2.3.18 and later */
84/* - Sync with other changes from the 2.3 kernels */
85/* 4.00.06 - Fix timeout with initial FFDC command */
86/* 4.00.06a - Port to 2.4 (trivial) -- Christoph Hellwig <hch@infradead.org> */
87/* 4.10.00 - Add support for ServeRAID 4M/4L */
88/* 4.10.13 - Fix for dynamic unload and proc file system */
89/* 4.20.03 - Rename version to coincide with new release schedules */
90/* Performance fixes */
91/* Fix truncation of /proc files with cat */
92/* Merge in changes through kernel 2.4.0test1ac21 */
93/* 4.20.13 - Fix some failure cases / reset code */
94/* - Hook into the reboot_notifier to flush the controller cache */
95/* 4.50.01 - Fix problem when there is a hole in logical drive numbering */
96/* 4.70.09 - Use a Common ( Large Buffer ) for Flashing from the JCRM CD */
97/* - Add IPSSEND Flash Support */
98/* - Set Sense Data for Unknown SCSI Command */
99/* - Use Slot Number from NVRAM Page 5 */
100/* - Restore caller's DCDB Structure */
101/* 4.70.12 - Corrective actions for bad controller ( during initialization )*/
102/* 4.70.13 - Don't Send CDB's if we already know the device is not present */
103/* - Don't release HA Lock in ips_next() until SC taken off queue */
104/* - Unregister SCSI device in ips_release() */
105/* 4.70.15 - Fix Breakup for very large ( non-SG ) requests in ips_done() */
106/* 4.71.00 - Change all memory allocations to not use GFP_DMA flag */
107/* Code Clean-Up for 2.4.x kernel */
108/* 4.72.00 - Allow for a Scatter-Gather Element to exceed MAX_XFER Size */
109/* 4.72.01 - I/O Mapped Memory release ( so "insmod ips" does not Fail ) */
110/* - Don't Issue Internal FFDC Command if there are Active Commands */
111/* - Close Window for getting too many IOCTL's active */
112/* 4.80.00 - Make ia64 Safe */
113/* 4.80.04 - Eliminate calls to strtok() if 2.4.x or greater */
114/* - Adjustments to Device Queue Depth */
115/* 4.80.14 - Take all semaphores off stack */
116/* - Clean Up New_IOCTL path */
117/* 4.80.20 - Set max_sectors in Scsi_Host structure ( if >= 2.4.7 kernel ) */
118/* - 5 second delay needed after resetting an i960 adapter */
119/* 4.80.26 - Clean up potential code problems ( Arjan's recommendations ) */
120/* 4.90.01 - Version Matching for FirmWare, BIOS, and Driver */
121/* 4.90.05 - Use New PCI Architecture to facilitate Hot Plug Development */
122/* 4.90.08 - Increase Delays in Flashing ( Trombone Only - 4H ) */
123/* 4.90.08 - Data Corruption if First Scatter Gather Element is > 64K */
124/* 4.90.11 - Don't actually RESET unless it's physically required */
125/* - Remove unused compile options */
126/* 5.00.01 - Sarasota ( 5i ) adapters must always be scanned first */
127/* - Get rid on IOCTL_NEW_COMMAND code */
128/* - Add Extended DCDB Commands for Tape Support in 5I */
129/* 5.10.12 - use pci_dma interfaces, update for 2.5 kernel changes */
130/* 5.10.15 - remove unused code (sem, macros, etc.) */
131/* 5.30.00 - use __devexit_p() */
132/* 6.00.00 - Add 6x Adapters and Battery Flash */
133/* 6.10.00 - Remove 1G Addressing Limitations */
134/* 6.11.xx - Get VersionInfo buffer off the stack ! DDTS 60401 */
135/* 6.11.xx - Make Logical Drive Info structure safe for DMA DDTS 60639 */
136/* 7.10.18 - Add highmem_io flag in SCSI Templete for 2.4 kernels */
137/* - Fix path/name for scsi_hosts.h include for 2.6 kernels */
138/* - Fix sort order of 7k */
139/* - Remove 3 unused "inline" functions */
140/* 7.12.xx - Use STATIC functions wherever possible */
141/* - Clean up deprecated MODULE_PARM calls */
142/* 7.12.05 - Remove Version Matching per IBM request */
143/*****************************************************************************/
144
145/*
146 * Conditional Compilation directives for this driver:
147 *
148 * IPS_DEBUG - Turn on debugging info
149 *
150 * Parameters:
151 *
152 * debug:<number> - Set debug level to <number>
153 * NOTE: only works when IPS_DEBUG compile directive is used.
154 * 1 - Normal debug messages
155 * 2 - Verbose debug messages
156 * 11 - Method trace (non interrupt)
157 * 12 - Method trace (includes interrupt)
158 *
159 * noi2o - Don't use I2O Queues (ServeRAID 4 only)
160 * nommap - Don't use memory mapped I/O
161 * ioctlsize - Initial size of the IOCTL buffer
162 */
163
164#include <asm/io.h>
165#include <asm/byteorder.h>
166#include <asm/page.h>
167#include <linux/stddef.h>
168#include <linux/string.h>
169#include <linux/errno.h>
170#include <linux/kernel.h>
171#include <linux/ioport.h>
172#include <linux/slab.h>
173#include <linux/delay.h>
174#include <linux/pci.h>
175#include <linux/proc_fs.h>
176#include <linux/reboot.h>
177#include <linux/interrupt.h>
178
179#include <linux/blkdev.h>
180#include <linux/types.h>
181#include <linux/dma-mapping.h>
182
183#include <scsi/sg.h>
184#include "scsi.h"
185#include <scsi/scsi_host.h>
186
187#include "ips.h"
188
189#include <linux/module.h>
190
191#include <linux/stat.h>
192
193#include <linux/spinlock.h>
194#include <linux/init.h>
195
196#include <linux/smp.h>
197
198#ifdef MODULE
199static char *ips = NULL;
200module_param(ips, charp, 0);
201#endif
202
203/*
204 * DRIVER_VER
205 */
206#define IPS_VERSION_HIGH IPS_VER_MAJOR_STRING "." IPS_VER_MINOR_STRING
207#define IPS_VERSION_LOW "." IPS_VER_BUILD_STRING " "
208
209#if !defined(__i386__) && !defined(__ia64__) && !defined(__x86_64__)
210#warning "This driver has only been tested on the x86/ia64/x86_64 platforms"
211#endif
212
213#define IPS_DMA_DIR(scb) ((!scb->scsi_cmd || ips_is_passthru(scb->scsi_cmd) || \
214 DMA_NONE == scb->scsi_cmd->sc_data_direction) ? \
215 PCI_DMA_BIDIRECTIONAL : \
216 scb->scsi_cmd->sc_data_direction)
217
218#ifdef IPS_DEBUG
219#define METHOD_TRACE(s, i) if (ips_debug >= (i+10)) printk(KERN_NOTICE s "\n");
220#define DEBUG(i, s) if (ips_debug >= i) printk(KERN_NOTICE s "\n");
221#define DEBUG_VAR(i, s, v...) if (ips_debug >= i) printk(KERN_NOTICE s "\n", v);
222#else
223#define METHOD_TRACE(s, i)
224#define DEBUG(i, s)
225#define DEBUG_VAR(i, s, v...)
226#endif
227
228/*
229 * Function prototypes
230 */
231static int ips_detect(struct scsi_host_template *);
232static int ips_release(struct Scsi_Host *);
233static int ips_eh_abort(struct scsi_cmnd *);
234static int ips_eh_reset(struct scsi_cmnd *);
235static int ips_queue(struct Scsi_Host *, struct scsi_cmnd *);
236static const char *ips_info(struct Scsi_Host *);
237static irqreturn_t do_ipsintr(int, void *);
238static int ips_hainit(ips_ha_t *);
239static int ips_map_status(ips_ha_t *, ips_scb_t *, ips_stat_t *);
240static int ips_send_wait(ips_ha_t *, ips_scb_t *, int, int);
241static int ips_send_cmd(ips_ha_t *, ips_scb_t *);
242static int ips_online(ips_ha_t *, ips_scb_t *);
243static int ips_inquiry(ips_ha_t *, ips_scb_t *);
244static int ips_rdcap(ips_ha_t *, ips_scb_t *);
245static int ips_msense(ips_ha_t *, ips_scb_t *);
246static int ips_reqsen(ips_ha_t *, ips_scb_t *);
247static int ips_deallocatescbs(ips_ha_t *, int);
248static int ips_allocatescbs(ips_ha_t *);
249static int ips_reset_copperhead(ips_ha_t *);
250static int ips_reset_copperhead_memio(ips_ha_t *);
251static int ips_reset_morpheus(ips_ha_t *);
252static int ips_issue_copperhead(ips_ha_t *, ips_scb_t *);
253static int ips_issue_copperhead_memio(ips_ha_t *, ips_scb_t *);
254static int ips_issue_i2o(ips_ha_t *, ips_scb_t *);
255static int ips_issue_i2o_memio(ips_ha_t *, ips_scb_t *);
256static int ips_isintr_copperhead(ips_ha_t *);
257static int ips_isintr_copperhead_memio(ips_ha_t *);
258static int ips_isintr_morpheus(ips_ha_t *);
259static int ips_wait(ips_ha_t *, int, int);
260static int ips_write_driver_status(ips_ha_t *, int);
261static int ips_read_adapter_status(ips_ha_t *, int);
262static int ips_read_subsystem_parameters(ips_ha_t *, int);
263static int ips_read_config(ips_ha_t *, int);
264static int ips_clear_adapter(ips_ha_t *, int);
265static int ips_readwrite_page5(ips_ha_t *, int, int);
266static int ips_init_copperhead(ips_ha_t *);
267static int ips_init_copperhead_memio(ips_ha_t *);
268static int ips_init_morpheus(ips_ha_t *);
269static int ips_isinit_copperhead(ips_ha_t *);
270static int ips_isinit_copperhead_memio(ips_ha_t *);
271static int ips_isinit_morpheus(ips_ha_t *);
272static int ips_erase_bios(ips_ha_t *);
273static int ips_program_bios(ips_ha_t *, char *, uint32_t, uint32_t);
274static int ips_verify_bios(ips_ha_t *, char *, uint32_t, uint32_t);
275static int ips_erase_bios_memio(ips_ha_t *);
276static int ips_program_bios_memio(ips_ha_t *, char *, uint32_t, uint32_t);
277static int ips_verify_bios_memio(ips_ha_t *, char *, uint32_t, uint32_t);
278static int ips_flash_copperhead(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
279static int ips_flash_bios(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
280static int ips_flash_firmware(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
281static void ips_free_flash_copperhead(ips_ha_t * ha);
282static void ips_get_bios_version(ips_ha_t *, int);
283static void ips_identify_controller(ips_ha_t *);
284static void ips_chkstatus(ips_ha_t *, IPS_STATUS *);
285static void ips_enable_int_copperhead(ips_ha_t *);
286static void ips_enable_int_copperhead_memio(ips_ha_t *);
287static void ips_enable_int_morpheus(ips_ha_t *);
288static int ips_intr_copperhead(ips_ha_t *);
289static int ips_intr_morpheus(ips_ha_t *);
290static void ips_next(ips_ha_t *, int);
291static void ipsintr_blocking(ips_ha_t *, struct ips_scb *);
292static void ipsintr_done(ips_ha_t *, struct ips_scb *);
293static void ips_done(ips_ha_t *, ips_scb_t *);
294static void ips_free(ips_ha_t *);
295static void ips_init_scb(ips_ha_t *, ips_scb_t *);
296static void ips_freescb(ips_ha_t *, ips_scb_t *);
297static void ips_setup_funclist(ips_ha_t *);
298static void ips_statinit(ips_ha_t *);
299static void ips_statinit_memio(ips_ha_t *);
300static void ips_fix_ffdc_time(ips_ha_t *, ips_scb_t *, time_t);
301static void ips_ffdc_reset(ips_ha_t *, int);
302static void ips_ffdc_time(ips_ha_t *);
303static uint32_t ips_statupd_copperhead(ips_ha_t *);
304static uint32_t ips_statupd_copperhead_memio(ips_ha_t *);
305static uint32_t ips_statupd_morpheus(ips_ha_t *);
306static ips_scb_t *ips_getscb(ips_ha_t *);
307static void ips_putq_scb_head(ips_scb_queue_t *, ips_scb_t *);
308static void ips_putq_wait_tail(ips_wait_queue_t *, struct scsi_cmnd *);
309static void ips_putq_copp_tail(ips_copp_queue_t *,
310 ips_copp_wait_item_t *);
311static ips_scb_t *ips_removeq_scb_head(ips_scb_queue_t *);
312static ips_scb_t *ips_removeq_scb(ips_scb_queue_t *, ips_scb_t *);
313static struct scsi_cmnd *ips_removeq_wait_head(ips_wait_queue_t *);
314static struct scsi_cmnd *ips_removeq_wait(ips_wait_queue_t *,
315 struct scsi_cmnd *);
316static ips_copp_wait_item_t *ips_removeq_copp(ips_copp_queue_t *,
317 ips_copp_wait_item_t *);
318static ips_copp_wait_item_t *ips_removeq_copp_head(ips_copp_queue_t *);
319
320static int ips_is_passthru(struct scsi_cmnd *);
321static int ips_make_passthru(ips_ha_t *, struct scsi_cmnd *, ips_scb_t *, int);
322static int ips_usrcmd(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
323static void ips_cleanup_passthru(ips_ha_t *, ips_scb_t *);
324static void ips_scmd_buf_write(struct scsi_cmnd * scmd, void *data,
325 unsigned int count);
326static void ips_scmd_buf_read(struct scsi_cmnd * scmd, void *data,
327 unsigned int count);
328
329static int ips_proc_info(struct Scsi_Host *, char *, char **, off_t, int, int);
330static int ips_host_info(ips_ha_t *, char *, off_t, int);
331static void copy_mem_info(IPS_INFOSTR *, char *, int);
332static int copy_info(IPS_INFOSTR *, char *, ...);
333static int ips_abort_init(ips_ha_t * ha, int index);
334static int ips_init_phase2(int index);
335
336static int ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr);
337static int ips_register_scsi(int index);
338
339static int ips_poll_for_flush_complete(ips_ha_t * ha);
340static void ips_flush_and_reset(ips_ha_t *ha);
341
342/*
343 * global variables
344 */
345static const char ips_name[] = "ips";
346static struct Scsi_Host *ips_sh[IPS_MAX_ADAPTERS]; /* Array of host controller structures */
347static ips_ha_t *ips_ha[IPS_MAX_ADAPTERS]; /* Array of HA structures */
348static unsigned int ips_next_controller;
349static unsigned int ips_num_controllers;
350static unsigned int ips_released_controllers;
351static int ips_hotplug;
352static int ips_cmd_timeout = 60;
353static int ips_reset_timeout = 60 * 5;
354static int ips_force_memio = 1; /* Always use Memory Mapped I/O */
355static int ips_force_i2o = 1; /* Always use I2O command delivery */
356static int ips_ioctlsize = IPS_IOCTL_SIZE; /* Size of the ioctl buffer */
357static int ips_cd_boot; /* Booting from Manager CD */
358static char *ips_FlashData = NULL; /* CD Boot - Flash Data Buffer */
359static dma_addr_t ips_flashbusaddr;
360static long ips_FlashDataInUse; /* CD Boot - Flash Data In Use Flag */
361static uint32_t MaxLiteCmds = 32; /* Max Active Cmds for a Lite Adapter */
362static struct scsi_host_template ips_driver_template = {
363 .detect = ips_detect,
364 .release = ips_release,
365 .info = ips_info,
366 .queuecommand = ips_queue,
367 .eh_abort_handler = ips_eh_abort,
368 .eh_host_reset_handler = ips_eh_reset,
369 .proc_name = "ips",
370 .proc_info = ips_proc_info,
371 .slave_configure = ips_slave_configure,
372 .bios_param = ips_biosparam,
373 .this_id = -1,
374 .sg_tablesize = IPS_MAX_SG,
375 .cmd_per_lun = 3,
376 .use_clustering = ENABLE_CLUSTERING,
377};
378
379
380/* This table describes all ServeRAID Adapters */
381static struct pci_device_id ips_pci_table[] = {
382 { 0x1014, 0x002E, PCI_ANY_ID, PCI_ANY_ID, 0, 0 },
383 { 0x1014, 0x01BD, PCI_ANY_ID, PCI_ANY_ID, 0, 0 },
384 { 0x9005, 0x0250, PCI_ANY_ID, PCI_ANY_ID, 0, 0 },
385 { 0, }
386};
387
388MODULE_DEVICE_TABLE( pci, ips_pci_table );
389
390static char ips_hot_plug_name[] = "ips";
391
392static int __devinit ips_insert_device(struct pci_dev *pci_dev, const struct pci_device_id *ent);
393static void __devexit ips_remove_device(struct pci_dev *pci_dev);
394
395static struct pci_driver ips_pci_driver = {
396 .name = ips_hot_plug_name,
397 .id_table = ips_pci_table,
398 .probe = ips_insert_device,
399 .remove = __devexit_p(ips_remove_device),
400};
401
402
403/*
404 * Necessary forward function protoypes
405 */
406static int ips_halt(struct notifier_block *nb, ulong event, void *buf);
407
408#define MAX_ADAPTER_NAME 15
409
410static char ips_adapter_name[][30] = {
411 "ServeRAID",
412 "ServeRAID II",
413 "ServeRAID on motherboard",
414 "ServeRAID on motherboard",
415 "ServeRAID 3H",
416 "ServeRAID 3L",
417 "ServeRAID 4H",
418 "ServeRAID 4M",
419 "ServeRAID 4L",
420 "ServeRAID 4Mx",
421 "ServeRAID 4Lx",
422 "ServeRAID 5i",
423 "ServeRAID 5i",
424 "ServeRAID 6M",
425 "ServeRAID 6i",
426 "ServeRAID 7t",
427 "ServeRAID 7k",
428 "ServeRAID 7M"
429};
430
431static struct notifier_block ips_notifier = {
432 ips_halt, NULL, 0
433};
434
435/*
436 * Direction table
437 */
438static char ips_command_direction[] = {
439 IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT,
440 IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK,
441 IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
442 IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_OUT,
443 IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_OUT,
444 IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_OUT,
445 IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_IN,
446 IPS_DATA_UNK, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_UNK,
447 IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_UNK,
448 IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT,
449 IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_NONE,
450 IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT,
451 IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT,
452 IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_NONE,
453 IPS_DATA_UNK, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_UNK,
454 IPS_DATA_NONE, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_UNK,
455 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
456 IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
457 IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
458 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
459 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
460 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
461 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
462 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
463 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
464 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
465 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
466 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
467 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
468 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
469 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
470 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
471 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
472 IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_NONE,
473 IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_OUT,
474 IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_NONE,
475 IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_IN,
476 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
477 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
478 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
479 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
480 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
481 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
482 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
483 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
484 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
485 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_OUT,
486 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
487 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
488 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
489 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK
490};
491
492
493/****************************************************************************/
494/* */
495/* Routine Name: ips_setup */
496/* */
497/* Routine Description: */
498/* */
499/* setup parameters to the driver */
500/* */
501/****************************************************************************/
502static int
503ips_setup(char *ips_str)
504{
505
506 int i;
507 char *key;
508 char *value;
509 IPS_OPTION options[] = {
510 {"noi2o", &ips_force_i2o, 0},
511 {"nommap", &ips_force_memio, 0},
512 {"ioctlsize", &ips_ioctlsize, IPS_IOCTL_SIZE},
513 {"cdboot", &ips_cd_boot, 0},
514 {"maxcmds", &MaxLiteCmds, 32},
515 };
516
517 /* Don't use strtok() anymore ( if 2.4 Kernel or beyond ) */
518 /* Search for value */
519 while ((key = strsep(&ips_str, ",."))) {
520 if (!*key)
521 continue;
522 value = strchr(key, ':');
523 if (value)
524 *value++ = '\0';
525 /*
526 * We now have key/value pairs.
527 * Update the variables
528 */
529 for (i = 0; i < ARRAY_SIZE(options); i++) {
530 if (strnicmp
531 (key, options[i].option_name,
532 strlen(options[i].option_name)) == 0) {
533 if (value)
534 *options[i].option_flag =
535 simple_strtoul(value, NULL, 0);
536 else
537 *options[i].option_flag =
538 options[i].option_value;
539 break;
540 }
541 }
542 }
543
544 return (1);
545}
546
547__setup("ips=", ips_setup);
548
549/****************************************************************************/
550/* */
551/* Routine Name: ips_detect */
552/* */
553/* Routine Description: */
554/* */
555/* Detect and initialize the driver */
556/* */
557/* NOTE: this routine is called under the io_request_lock spinlock */
558/* */
559/****************************************************************************/
560static int
561ips_detect(struct scsi_host_template * SHT)
562{
563 int i;
564
565 METHOD_TRACE("ips_detect", 1);
566
567#ifdef MODULE
568 if (ips)
569 ips_setup(ips);
570#endif
571
572 for (i = 0; i < ips_num_controllers; i++) {
573 if (ips_register_scsi(i))
574 ips_free(ips_ha[i]);
575 ips_released_controllers++;
576 }
577 ips_hotplug = 1;
578 return (ips_num_controllers);
579}
580
581/****************************************************************************/
582/* configure the function pointers to use the functions that will work */
583/* with the found version of the adapter */
584/****************************************************************************/
585static void
586ips_setup_funclist(ips_ha_t * ha)
587{
588
589 /*
590 * Setup Functions
591 */
592 if (IPS_IS_MORPHEUS(ha) || IPS_IS_MARCO(ha)) {
593 /* morpheus / marco / sebring */
594 ha->func.isintr = ips_isintr_morpheus;
595 ha->func.isinit = ips_isinit_morpheus;
596 ha->func.issue = ips_issue_i2o_memio;
597 ha->func.init = ips_init_morpheus;
598 ha->func.statupd = ips_statupd_morpheus;
599 ha->func.reset = ips_reset_morpheus;
600 ha->func.intr = ips_intr_morpheus;
601 ha->func.enableint = ips_enable_int_morpheus;
602 } else if (IPS_USE_MEMIO(ha)) {
603 /* copperhead w/MEMIO */
604 ha->func.isintr = ips_isintr_copperhead_memio;
605 ha->func.isinit = ips_isinit_copperhead_memio;
606 ha->func.init = ips_init_copperhead_memio;
607 ha->func.statupd = ips_statupd_copperhead_memio;
608 ha->func.statinit = ips_statinit_memio;
609 ha->func.reset = ips_reset_copperhead_memio;
610 ha->func.intr = ips_intr_copperhead;
611 ha->func.erasebios = ips_erase_bios_memio;
612 ha->func.programbios = ips_program_bios_memio;
613 ha->func.verifybios = ips_verify_bios_memio;
614 ha->func.enableint = ips_enable_int_copperhead_memio;
615 if (IPS_USE_I2O_DELIVER(ha))
616 ha->func.issue = ips_issue_i2o_memio;
617 else
618 ha->func.issue = ips_issue_copperhead_memio;
619 } else {
620 /* copperhead */
621 ha->func.isintr = ips_isintr_copperhead;
622 ha->func.isinit = ips_isinit_copperhead;
623 ha->func.init = ips_init_copperhead;
624 ha->func.statupd = ips_statupd_copperhead;
625 ha->func.statinit = ips_statinit;
626 ha->func.reset = ips_reset_copperhead;
627 ha->func.intr = ips_intr_copperhead;
628 ha->func.erasebios = ips_erase_bios;
629 ha->func.programbios = ips_program_bios;
630 ha->func.verifybios = ips_verify_bios;
631 ha->func.enableint = ips_enable_int_copperhead;
632
633 if (IPS_USE_I2O_DELIVER(ha))
634 ha->func.issue = ips_issue_i2o;
635 else
636 ha->func.issue = ips_issue_copperhead;
637 }
638}
639
640/****************************************************************************/
641/* */
642/* Routine Name: ips_release */
643/* */
644/* Routine Description: */
645/* */
646/* Remove a driver */
647/* */
648/****************************************************************************/
649static int
650ips_release(struct Scsi_Host *sh)
651{
652 ips_scb_t *scb;
653 ips_ha_t *ha;
654 int i;
655
656 METHOD_TRACE("ips_release", 1);
657
658 scsi_remove_host(sh);
659
660 for (i = 0; i < IPS_MAX_ADAPTERS && ips_sh[i] != sh; i++) ;
661
662 if (i == IPS_MAX_ADAPTERS) {
663 printk(KERN_WARNING
664 "(%s) release, invalid Scsi_Host pointer.\n", ips_name);
665 BUG();
666 return (FALSE);
667 }
668
669 ha = IPS_HA(sh);
670
671 if (!ha)
672 return (FALSE);
673
674 /* flush the cache on the controller */
675 scb = &ha->scbs[ha->max_cmds - 1];
676
677 ips_init_scb(ha, scb);
678
679 scb->timeout = ips_cmd_timeout;
680 scb->cdb[0] = IPS_CMD_FLUSH;
681
682 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
683 scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb);
684 scb->cmd.flush_cache.state = IPS_NORM_STATE;
685 scb->cmd.flush_cache.reserved = 0;
686 scb->cmd.flush_cache.reserved2 = 0;
687 scb->cmd.flush_cache.reserved3 = 0;
688 scb->cmd.flush_cache.reserved4 = 0;
689
690 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Flushing Cache.\n");
691
692 /* send command */
693 if (ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_ON) == IPS_FAILURE)
694 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Incomplete Flush.\n");
695
696 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Flushing Complete.\n");
697
698 ips_sh[i] = NULL;
699 ips_ha[i] = NULL;
700
701 /* free extra memory */
702 ips_free(ha);
703
704 /* free IRQ */
705 free_irq(ha->pcidev->irq, ha);
706
707 scsi_host_put(sh);
708
709 ips_released_controllers++;
710
711 return (FALSE);
712}
713
714/****************************************************************************/
715/* */
716/* Routine Name: ips_halt */
717/* */
718/* Routine Description: */
719/* */
720/* Perform cleanup when the system reboots */
721/* */
722/****************************************************************************/
723static int
724ips_halt(struct notifier_block *nb, ulong event, void *buf)
725{
726 ips_scb_t *scb;
727 ips_ha_t *ha;
728 int i;
729
730 if ((event != SYS_RESTART) && (event != SYS_HALT) &&
731 (event != SYS_POWER_OFF))
732 return (NOTIFY_DONE);
733
734 for (i = 0; i < ips_next_controller; i++) {
735 ha = (ips_ha_t *) ips_ha[i];
736
737 if (!ha)
738 continue;
739
740 if (!ha->active)
741 continue;
742
743 /* flush the cache on the controller */
744 scb = &ha->scbs[ha->max_cmds - 1];
745
746 ips_init_scb(ha, scb);
747
748 scb->timeout = ips_cmd_timeout;
749 scb->cdb[0] = IPS_CMD_FLUSH;
750
751 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
752 scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb);
753 scb->cmd.flush_cache.state = IPS_NORM_STATE;
754 scb->cmd.flush_cache.reserved = 0;
755 scb->cmd.flush_cache.reserved2 = 0;
756 scb->cmd.flush_cache.reserved3 = 0;
757 scb->cmd.flush_cache.reserved4 = 0;
758
759 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Flushing Cache.\n");
760
761 /* send command */
762 if (ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_ON) ==
763 IPS_FAILURE)
764 IPS_PRINTK(KERN_WARNING, ha->pcidev,
765 "Incomplete Flush.\n");
766 else
767 IPS_PRINTK(KERN_WARNING, ha->pcidev,
768 "Flushing Complete.\n");
769 }
770
771 return (NOTIFY_OK);
772}
773
774/****************************************************************************/
775/* */
776/* Routine Name: ips_eh_abort */
777/* */
778/* Routine Description: */
779/* */
780/* Abort a command (using the new error code stuff) */
781/* Note: this routine is called under the io_request_lock */
782/****************************************************************************/
783int ips_eh_abort(struct scsi_cmnd *SC)
784{
785 ips_ha_t *ha;
786 ips_copp_wait_item_t *item;
787 int ret;
788 struct Scsi_Host *host;
789
790 METHOD_TRACE("ips_eh_abort", 1);
791
792 if (!SC)
793 return (FAILED);
794
795 host = SC->device->host;
796 ha = (ips_ha_t *) SC->device->host->hostdata;
797
798 if (!ha)
799 return (FAILED);
800
801 if (!ha->active)
802 return (FAILED);
803
804 spin_lock(host->host_lock);
805
806 /* See if the command is on the copp queue */
807 item = ha->copp_waitlist.head;
808 while ((item) && (item->scsi_cmd != SC))
809 item = item->next;
810
811 if (item) {
812 /* Found it */
813 ips_removeq_copp(&ha->copp_waitlist, item);
814 ret = (SUCCESS);
815
816 /* See if the command is on the wait queue */
817 } else if (ips_removeq_wait(&ha->scb_waitlist, SC)) {
818 /* command not sent yet */
819 ret = (SUCCESS);
820 } else {
821 /* command must have already been sent */
822 ret = (FAILED);
823 }
824
825 spin_unlock(host->host_lock);
826 return ret;
827}
828
829/****************************************************************************/
830/* */
831/* Routine Name: ips_eh_reset */
832/* */
833/* Routine Description: */
834/* */
835/* Reset the controller (with new eh error code) */
836/* */
837/* NOTE: this routine is called under the io_request_lock spinlock */
838/* */
839/****************************************************************************/
840static int __ips_eh_reset(struct scsi_cmnd *SC)
841{
842 int ret;
843 int i;
844 ips_ha_t *ha;
845 ips_scb_t *scb;
846 ips_copp_wait_item_t *item;
847
848 METHOD_TRACE("ips_eh_reset", 1);
849
850#ifdef NO_IPS_RESET
851 return (FAILED);
852#else
853
854 if (!SC) {
855 DEBUG(1, "Reset called with NULL scsi command");
856
857 return (FAILED);
858 }
859
860 ha = (ips_ha_t *) SC->device->host->hostdata;
861
862 if (!ha) {
863 DEBUG(1, "Reset called with NULL ha struct");
864
865 return (FAILED);
866 }
867
868 if (!ha->active)
869 return (FAILED);
870
871 /* See if the command is on the copp queue */
872 item = ha->copp_waitlist.head;
873 while ((item) && (item->scsi_cmd != SC))
874 item = item->next;
875
876 if (item) {
877 /* Found it */
878 ips_removeq_copp(&ha->copp_waitlist, item);
879 return (SUCCESS);
880 }
881
882 /* See if the command is on the wait queue */
883 if (ips_removeq_wait(&ha->scb_waitlist, SC)) {
884 /* command not sent yet */
885 return (SUCCESS);
886 }
887
888 /* An explanation for the casual observer: */
889 /* Part of the function of a RAID controller is automatic error */
890 /* detection and recovery. As such, the only problem that physically */
891 /* resetting an adapter will ever fix is when, for some reason, */
892 /* the driver is not successfully communicating with the adapter. */
893 /* Therefore, we will attempt to flush this adapter. If that succeeds, */
894 /* then there's no real purpose in a physical reset. This will complete */
895 /* much faster and avoids any problems that might be caused by a */
896 /* physical reset ( such as having to fail all the outstanding I/O's ). */
897
898 if (ha->ioctl_reset == 0) { /* IF Not an IOCTL Requested Reset */
899 scb = &ha->scbs[ha->max_cmds - 1];
900
901 ips_init_scb(ha, scb);
902
903 scb->timeout = ips_cmd_timeout;
904 scb->cdb[0] = IPS_CMD_FLUSH;
905
906 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
907 scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb);
908 scb->cmd.flush_cache.state = IPS_NORM_STATE;
909 scb->cmd.flush_cache.reserved = 0;
910 scb->cmd.flush_cache.reserved2 = 0;
911 scb->cmd.flush_cache.reserved3 = 0;
912 scb->cmd.flush_cache.reserved4 = 0;
913
914 /* Attempt the flush command */
915 ret = ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_IORL);
916 if (ret == IPS_SUCCESS) {
917 IPS_PRINTK(KERN_NOTICE, ha->pcidev,
918 "Reset Request - Flushed Cache\n");
919 return (SUCCESS);
920 }
921 }
922
923 /* Either we can't communicate with the adapter or it's an IOCTL request */
924 /* from a utility. A physical reset is needed at this point. */
925
926 ha->ioctl_reset = 0; /* Reset the IOCTL Requested Reset Flag */
927
928 /*
929 * command must have already been sent
930 * reset the controller
931 */
932 IPS_PRINTK(KERN_NOTICE, ha->pcidev, "Resetting controller.\n");
933 ret = (*ha->func.reset) (ha);
934
935 if (!ret) {
936 struct scsi_cmnd *scsi_cmd;
937
938 IPS_PRINTK(KERN_NOTICE, ha->pcidev,
939 "Controller reset failed - controller now offline.\n");
940
941 /* Now fail all of the active commands */
942 DEBUG_VAR(1, "(%s%d) Failing active commands",
943 ips_name, ha->host_num);
944
945 while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) {
946 scb->scsi_cmd->result = DID_ERROR << 16;
947 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
948 ips_freescb(ha, scb);
949 }
950
951 /* Now fail all of the pending commands */
952 DEBUG_VAR(1, "(%s%d) Failing pending commands",
953 ips_name, ha->host_num);
954
955 while ((scsi_cmd = ips_removeq_wait_head(&ha->scb_waitlist))) {
956 scsi_cmd->result = DID_ERROR;
957 scsi_cmd->scsi_done(scsi_cmd);
958 }
959
960 ha->active = FALSE;
961 return (FAILED);
962 }
963
964 if (!ips_clear_adapter(ha, IPS_INTR_IORL)) {
965 struct scsi_cmnd *scsi_cmd;
966
967 IPS_PRINTK(KERN_NOTICE, ha->pcidev,
968 "Controller reset failed - controller now offline.\n");
969
970 /* Now fail all of the active commands */
971 DEBUG_VAR(1, "(%s%d) Failing active commands",
972 ips_name, ha->host_num);
973
974 while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) {
975 scb->scsi_cmd->result = DID_ERROR << 16;
976 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
977 ips_freescb(ha, scb);
978 }
979
980 /* Now fail all of the pending commands */
981 DEBUG_VAR(1, "(%s%d) Failing pending commands",
982 ips_name, ha->host_num);
983
984 while ((scsi_cmd = ips_removeq_wait_head(&ha->scb_waitlist))) {
985 scsi_cmd->result = DID_ERROR << 16;
986 scsi_cmd->scsi_done(scsi_cmd);
987 }
988
989 ha->active = FALSE;
990 return (FAILED);
991 }
992
993 /* FFDC */
994 if (le32_to_cpu(ha->subsys->param[3]) & 0x300000) {
995 struct timeval tv;
996
997 do_gettimeofday(&tv);
998 ha->last_ffdc = tv.tv_sec;
999 ha->reset_count++;
1000 ips_ffdc_reset(ha, IPS_INTR_IORL);
1001 }
1002
1003 /* Now fail all of the active commands */
1004 DEBUG_VAR(1, "(%s%d) Failing active commands", ips_name, ha->host_num);
1005
1006 while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) {
1007 scb->scsi_cmd->result = DID_RESET << 16;
1008 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
1009 ips_freescb(ha, scb);
1010 }
1011
1012 /* Reset DCDB active command bits */
1013 for (i = 1; i < ha->nbus; i++)
1014 ha->dcdb_active[i - 1] = 0;
1015
1016 /* Reset the number of active IOCTLs */
1017 ha->num_ioctl = 0;
1018
1019 ips_next(ha, IPS_INTR_IORL);
1020
1021 return (SUCCESS);
1022#endif /* NO_IPS_RESET */
1023
1024}
1025
1026static int ips_eh_reset(struct scsi_cmnd *SC)
1027{
1028 int rc;
1029
1030 spin_lock_irq(SC->device->host->host_lock);
1031 rc = __ips_eh_reset(SC);
1032 spin_unlock_irq(SC->device->host->host_lock);
1033
1034 return rc;
1035}
1036
1037/****************************************************************************/
1038/* */
1039/* Routine Name: ips_queue */
1040/* */
1041/* Routine Description: */
1042/* */
1043/* Send a command to the controller */
1044/* */
1045/* NOTE: */
1046/* Linux obtains io_request_lock before calling this function */
1047/* */
1048/****************************************************************************/
1049static int ips_queue_lck(struct scsi_cmnd *SC, void (*done) (struct scsi_cmnd *))
1050{
1051 ips_ha_t *ha;
1052 ips_passthru_t *pt;
1053
1054 METHOD_TRACE("ips_queue", 1);
1055
1056 ha = (ips_ha_t *) SC->device->host->hostdata;
1057
1058 if (!ha)
1059 return (1);
1060
1061 if (!ha->active)
1062 return (DID_ERROR);
1063
1064 if (ips_is_passthru(SC)) {
1065 if (ha->copp_waitlist.count == IPS_MAX_IOCTL_QUEUE) {
1066 SC->result = DID_BUS_BUSY << 16;
1067 done(SC);
1068
1069 return (0);
1070 }
1071 } else if (ha->scb_waitlist.count == IPS_MAX_QUEUE) {
1072 SC->result = DID_BUS_BUSY << 16;
1073 done(SC);
1074
1075 return (0);
1076 }
1077
1078 SC->scsi_done = done;
1079
1080 DEBUG_VAR(2, "(%s%d): ips_queue: cmd 0x%X (%d %d %d)",
1081 ips_name,
1082 ha->host_num,
1083 SC->cmnd[0],
1084 SC->device->channel, SC->device->id, SC->device->lun);
1085
1086 /* Check for command to initiator IDs */
1087 if ((scmd_channel(SC) > 0)
1088 && (scmd_id(SC) == ha->ha_id[scmd_channel(SC)])) {
1089 SC->result = DID_NO_CONNECT << 16;
1090 done(SC);
1091
1092 return (0);
1093 }
1094
1095 if (ips_is_passthru(SC)) {
1096
1097 ips_copp_wait_item_t *scratch;
1098
1099 /* A Reset IOCTL is only sent by the boot CD in extreme cases. */
1100 /* There can never be any system activity ( network or disk ), but check */
1101 /* anyway just as a good practice. */
1102 pt = (ips_passthru_t *) scsi_sglist(SC);
1103 if ((pt->CoppCP.cmd.reset.op_code == IPS_CMD_RESET_CHANNEL) &&
1104 (pt->CoppCP.cmd.reset.adapter_flag == 1)) {
1105 if (ha->scb_activelist.count != 0) {
1106 SC->result = DID_BUS_BUSY << 16;
1107 done(SC);
1108 return (0);
1109 }
1110 ha->ioctl_reset = 1; /* This reset request is from an IOCTL */
1111 __ips_eh_reset(SC);
1112 SC->result = DID_OK << 16;
1113 SC->scsi_done(SC);
1114 return (0);
1115 }
1116
1117 /* allocate space for the scribble */
1118 scratch = kmalloc(sizeof (ips_copp_wait_item_t), GFP_ATOMIC);
1119
1120 if (!scratch) {
1121 SC->result = DID_ERROR << 16;
1122 done(SC);
1123
1124 return (0);
1125 }
1126
1127 scratch->scsi_cmd = SC;
1128 scratch->next = NULL;
1129
1130 ips_putq_copp_tail(&ha->copp_waitlist, scratch);
1131 } else {
1132 ips_putq_wait_tail(&ha->scb_waitlist, SC);
1133 }
1134
1135 ips_next(ha, IPS_INTR_IORL);
1136
1137 return (0);
1138}
1139
1140static DEF_SCSI_QCMD(ips_queue)
1141
1142/****************************************************************************/
1143/* */
1144/* Routine Name: ips_biosparam */
1145/* */
1146/* Routine Description: */
1147/* */
1148/* Set bios geometry for the controller */
1149/* */
1150/****************************************************************************/
1151static int ips_biosparam(struct scsi_device *sdev, struct block_device *bdev,
1152 sector_t capacity, int geom[])
1153{
1154 ips_ha_t *ha = (ips_ha_t *) sdev->host->hostdata;
1155 int heads;
1156 int sectors;
1157 int cylinders;
1158
1159 METHOD_TRACE("ips_biosparam", 1);
1160
1161 if (!ha)
1162 /* ?!?! host adater info invalid */
1163 return (0);
1164
1165 if (!ha->active)
1166 return (0);
1167
1168 if (!ips_read_adapter_status(ha, IPS_INTR_ON))
1169 /* ?!?! Enquiry command failed */
1170 return (0);
1171
1172 if ((capacity > 0x400000) && ((ha->enq->ucMiscFlag & 0x8) == 0)) {
1173 heads = IPS_NORM_HEADS;
1174 sectors = IPS_NORM_SECTORS;
1175 } else {
1176 heads = IPS_COMP_HEADS;
1177 sectors = IPS_COMP_SECTORS;
1178 }
1179
1180 cylinders = (unsigned long) capacity / (heads * sectors);
1181
1182 DEBUG_VAR(2, "Geometry: heads: %d, sectors: %d, cylinders: %d",
1183 heads, sectors, cylinders);
1184
1185 geom[0] = heads;
1186 geom[1] = sectors;
1187 geom[2] = cylinders;
1188
1189 return (0);
1190}
1191
1192/****************************************************************************/
1193/* */
1194/* Routine Name: ips_slave_configure */
1195/* */
1196/* Routine Description: */
1197/* */
1198/* Set queue depths on devices once scan is complete */
1199/* */
1200/****************************************************************************/
1201static int
1202ips_slave_configure(struct scsi_device * SDptr)
1203{
1204 ips_ha_t *ha;
1205 int min;
1206
1207 ha = IPS_HA(SDptr->host);
1208 if (SDptr->tagged_supported && SDptr->type == TYPE_DISK) {
1209 min = ha->max_cmds / 2;
1210 if (ha->enq->ucLogDriveCount <= 2)
1211 min = ha->max_cmds - 1;
1212 scsi_adjust_queue_depth(SDptr, MSG_ORDERED_TAG, min);
1213 }
1214
1215 SDptr->skip_ms_page_8 = 1;
1216 SDptr->skip_ms_page_3f = 1;
1217 return 0;
1218}
1219
1220/****************************************************************************/
1221/* */
1222/* Routine Name: do_ipsintr */
1223/* */
1224/* Routine Description: */
1225/* */
1226/* Wrapper for the interrupt handler */
1227/* */
1228/****************************************************************************/
1229static irqreturn_t
1230do_ipsintr(int irq, void *dev_id)
1231{
1232 ips_ha_t *ha;
1233 struct Scsi_Host *host;
1234 int irqstatus;
1235
1236 METHOD_TRACE("do_ipsintr", 2);
1237
1238 ha = (ips_ha_t *) dev_id;
1239 if (!ha)
1240 return IRQ_NONE;
1241 host = ips_sh[ha->host_num];
1242 /* interrupt during initialization */
1243 if (!host) {
1244 (*ha->func.intr) (ha);
1245 return IRQ_HANDLED;
1246 }
1247
1248 spin_lock(host->host_lock);
1249
1250 if (!ha->active) {
1251 spin_unlock(host->host_lock);
1252 return IRQ_HANDLED;
1253 }
1254
1255 irqstatus = (*ha->func.intr) (ha);
1256
1257 spin_unlock(host->host_lock);
1258
1259 /* start the next command */
1260 ips_next(ha, IPS_INTR_ON);
1261 return IRQ_RETVAL(irqstatus);
1262}
1263
1264/****************************************************************************/
1265/* */
1266/* Routine Name: ips_intr_copperhead */
1267/* */
1268/* Routine Description: */
1269/* */
1270/* Polling interrupt handler */
1271/* */
1272/* ASSUMES interrupts are disabled */
1273/* */
1274/****************************************************************************/
1275int
1276ips_intr_copperhead(ips_ha_t * ha)
1277{
1278 ips_stat_t *sp;
1279 ips_scb_t *scb;
1280 IPS_STATUS cstatus;
1281 int intrstatus;
1282
1283 METHOD_TRACE("ips_intr", 2);
1284
1285 if (!ha)
1286 return 0;
1287
1288 if (!ha->active)
1289 return 0;
1290
1291 intrstatus = (*ha->func.isintr) (ha);
1292
1293 if (!intrstatus) {
1294 /*
1295 * Unexpected/Shared interrupt
1296 */
1297
1298 return 0;
1299 }
1300
1301 while (TRUE) {
1302 sp = &ha->sp;
1303
1304 intrstatus = (*ha->func.isintr) (ha);
1305
1306 if (!intrstatus)
1307 break;
1308 else
1309 cstatus.value = (*ha->func.statupd) (ha);
1310
1311 if (cstatus.fields.command_id > (IPS_MAX_CMDS - 1)) {
1312 /* Spurious Interrupt ? */
1313 continue;
1314 }
1315
1316 ips_chkstatus(ha, &cstatus);
1317 scb = (ips_scb_t *) sp->scb_addr;
1318
1319 /*
1320 * use the callback function to finish things up
1321 * NOTE: interrupts are OFF for this
1322 */
1323 (*scb->callback) (ha, scb);
1324 } /* end while */
1325 return 1;
1326}
1327
1328/****************************************************************************/
1329/* */
1330/* Routine Name: ips_intr_morpheus */
1331/* */
1332/* Routine Description: */
1333/* */
1334/* Polling interrupt handler */
1335/* */
1336/* ASSUMES interrupts are disabled */
1337/* */
1338/****************************************************************************/
1339int
1340ips_intr_morpheus(ips_ha_t * ha)
1341{
1342 ips_stat_t *sp;
1343 ips_scb_t *scb;
1344 IPS_STATUS cstatus;
1345 int intrstatus;
1346
1347 METHOD_TRACE("ips_intr_morpheus", 2);
1348
1349 if (!ha)
1350 return 0;
1351
1352 if (!ha->active)
1353 return 0;
1354
1355 intrstatus = (*ha->func.isintr) (ha);
1356
1357 if (!intrstatus) {
1358 /*
1359 * Unexpected/Shared interrupt
1360 */
1361
1362 return 0;
1363 }
1364
1365 while (TRUE) {
1366 sp = &ha->sp;
1367
1368 intrstatus = (*ha->func.isintr) (ha);
1369
1370 if (!intrstatus)
1371 break;
1372 else
1373 cstatus.value = (*ha->func.statupd) (ha);
1374
1375 if (cstatus.value == 0xffffffff)
1376 /* No more to process */
1377 break;
1378
1379 if (cstatus.fields.command_id > (IPS_MAX_CMDS - 1)) {
1380 IPS_PRINTK(KERN_WARNING, ha->pcidev,
1381 "Spurious interrupt; no ccb.\n");
1382
1383 continue;
1384 }
1385
1386 ips_chkstatus(ha, &cstatus);
1387 scb = (ips_scb_t *) sp->scb_addr;
1388
1389 /*
1390 * use the callback function to finish things up
1391 * NOTE: interrupts are OFF for this
1392 */
1393 (*scb->callback) (ha, scb);
1394 } /* end while */
1395 return 1;
1396}
1397
1398/****************************************************************************/
1399/* */
1400/* Routine Name: ips_info */
1401/* */
1402/* Routine Description: */
1403/* */
1404/* Return info about the driver */
1405/* */
1406/****************************************************************************/
1407static const char *
1408ips_info(struct Scsi_Host *SH)
1409{
1410 static char buffer[256];
1411 char *bp;
1412 ips_ha_t *ha;
1413
1414 METHOD_TRACE("ips_info", 1);
1415
1416 ha = IPS_HA(SH);
1417
1418 if (!ha)
1419 return (NULL);
1420
1421 bp = &buffer[0];
1422 memset(bp, 0, sizeof (buffer));
1423
1424 sprintf(bp, "%s%s%s Build %d", "IBM PCI ServeRAID ",
1425 IPS_VERSION_HIGH, IPS_VERSION_LOW, IPS_BUILD_IDENT);
1426
1427 if (ha->ad_type > 0 && ha->ad_type <= MAX_ADAPTER_NAME) {
1428 strcat(bp, " <");
1429 strcat(bp, ips_adapter_name[ha->ad_type - 1]);
1430 strcat(bp, ">");
1431 }
1432
1433 return (bp);
1434}
1435
1436/****************************************************************************/
1437/* */
1438/* Routine Name: ips_proc_info */
1439/* */
1440/* Routine Description: */
1441/* */
1442/* The passthru interface for the driver */
1443/* */
1444/****************************************************************************/
1445static int
1446ips_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset,
1447 int length, int func)
1448{
1449 int i;
1450 int ret;
1451 ips_ha_t *ha = NULL;
1452
1453 METHOD_TRACE("ips_proc_info", 1);
1454
1455 /* Find our host structure */
1456 for (i = 0; i < ips_next_controller; i++) {
1457 if (ips_sh[i]) {
1458 if (ips_sh[i] == host) {
1459 ha = (ips_ha_t *) ips_sh[i]->hostdata;
1460 break;
1461 }
1462 }
1463 }
1464
1465 if (!ha)
1466 return (-EINVAL);
1467
1468 if (func) {
1469 /* write */
1470 return (0);
1471 } else {
1472 /* read */
1473 if (start)
1474 *start = buffer;
1475
1476 ret = ips_host_info(ha, buffer, offset, length);
1477
1478 return (ret);
1479 }
1480}
1481
1482/*--------------------------------------------------------------------------*/
1483/* Helper Functions */
1484/*--------------------------------------------------------------------------*/
1485
1486/****************************************************************************/
1487/* */
1488/* Routine Name: ips_is_passthru */
1489/* */
1490/* Routine Description: */
1491/* */
1492/* Determine if the specified SCSI command is really a passthru command */
1493/* */
1494/****************************************************************************/
1495static int ips_is_passthru(struct scsi_cmnd *SC)
1496{
1497 unsigned long flags;
1498
1499 METHOD_TRACE("ips_is_passthru", 1);
1500
1501 if (!SC)
1502 return (0);
1503
1504 if ((SC->cmnd[0] == IPS_IOCTL_COMMAND) &&
1505 (SC->device->channel == 0) &&
1506 (SC->device->id == IPS_ADAPTER_ID) &&
1507 (SC->device->lun == 0) && scsi_sglist(SC)) {
1508 struct scatterlist *sg = scsi_sglist(SC);
1509 char *buffer;
1510
1511 /* kmap_atomic() ensures addressability of the user buffer.*/
1512 /* local_irq_save() protects the KM_IRQ0 address slot. */
1513 local_irq_save(flags);
1514 buffer = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset;
1515 if (buffer && buffer[0] == 'C' && buffer[1] == 'O' &&
1516 buffer[2] == 'P' && buffer[3] == 'P') {
1517 kunmap_atomic(buffer - sg->offset, KM_IRQ0);
1518 local_irq_restore(flags);
1519 return 1;
1520 }
1521 kunmap_atomic(buffer - sg->offset, KM_IRQ0);
1522 local_irq_restore(flags);
1523 }
1524 return 0;
1525}
1526
1527/****************************************************************************/
1528/* */
1529/* Routine Name: ips_alloc_passthru_buffer */
1530/* */
1531/* Routine Description: */
1532/* allocate a buffer large enough for the ioctl data if the ioctl buffer */
1533/* is too small or doesn't exist */
1534/****************************************************************************/
1535static int
1536ips_alloc_passthru_buffer(ips_ha_t * ha, int length)
1537{
1538 void *bigger_buf;
1539 dma_addr_t dma_busaddr;
1540
1541 if (ha->ioctl_data && length <= ha->ioctl_len)
1542 return 0;
1543 /* there is no buffer or it's not big enough, allocate a new one */
1544 bigger_buf = pci_alloc_consistent(ha->pcidev, length, &dma_busaddr);
1545 if (bigger_buf) {
1546 /* free the old memory */
1547 pci_free_consistent(ha->pcidev, ha->ioctl_len, ha->ioctl_data,
1548 ha->ioctl_busaddr);
1549 /* use the new memory */
1550 ha->ioctl_data = (char *) bigger_buf;
1551 ha->ioctl_len = length;
1552 ha->ioctl_busaddr = dma_busaddr;
1553 } else {
1554 return -1;
1555 }
1556 return 0;
1557}
1558
1559/****************************************************************************/
1560/* */
1561/* Routine Name: ips_make_passthru */
1562/* */
1563/* Routine Description: */
1564/* */
1565/* Make a passthru command out of the info in the Scsi block */
1566/* */
1567/****************************************************************************/
1568static int
1569ips_make_passthru(ips_ha_t *ha, struct scsi_cmnd *SC, ips_scb_t *scb, int intr)
1570{
1571 ips_passthru_t *pt;
1572 int length = 0;
1573 int i, ret;
1574 struct scatterlist *sg = scsi_sglist(SC);
1575
1576 METHOD_TRACE("ips_make_passthru", 1);
1577
1578 scsi_for_each_sg(SC, sg, scsi_sg_count(SC), i)
1579 length += sg->length;
1580
1581 if (length < sizeof (ips_passthru_t)) {
1582 /* wrong size */
1583 DEBUG_VAR(1, "(%s%d) Passthru structure wrong size",
1584 ips_name, ha->host_num);
1585 return (IPS_FAILURE);
1586 }
1587 if (ips_alloc_passthru_buffer(ha, length)) {
1588 /* allocation failure! If ha->ioctl_data exists, use it to return
1589 some error codes. Return a failed command to the scsi layer. */
1590 if (ha->ioctl_data) {
1591 pt = (ips_passthru_t *) ha->ioctl_data;
1592 ips_scmd_buf_read(SC, pt, sizeof (ips_passthru_t));
1593 pt->BasicStatus = 0x0B;
1594 pt->ExtendedStatus = 0x00;
1595 ips_scmd_buf_write(SC, pt, sizeof (ips_passthru_t));
1596 }
1597 return IPS_FAILURE;
1598 }
1599 ha->ioctl_datasize = length;
1600
1601 ips_scmd_buf_read(SC, ha->ioctl_data, ha->ioctl_datasize);
1602 pt = (ips_passthru_t *) ha->ioctl_data;
1603
1604 /*
1605 * Some notes about the passthru interface used
1606 *
1607 * IF the scsi op_code == 0x0d then we assume
1608 * that the data came along with/goes with the
1609 * packet we received from the sg driver. In this
1610 * case the CmdBSize field of the pt structure is
1611 * used for the size of the buffer.
1612 */
1613
1614 switch (pt->CoppCmd) {
1615 case IPS_NUMCTRLS:
1616 memcpy(ha->ioctl_data + sizeof (ips_passthru_t),
1617 &ips_num_controllers, sizeof (int));
1618 ips_scmd_buf_write(SC, ha->ioctl_data,
1619 sizeof (ips_passthru_t) + sizeof (int));
1620 SC->result = DID_OK << 16;
1621
1622 return (IPS_SUCCESS_IMM);
1623
1624 case IPS_COPPUSRCMD:
1625 case IPS_COPPIOCCMD:
1626 if (SC->cmnd[0] == IPS_IOCTL_COMMAND) {
1627 if (length < (sizeof (ips_passthru_t) + pt->CmdBSize)) {
1628 /* wrong size */
1629 DEBUG_VAR(1,
1630 "(%s%d) Passthru structure wrong size",
1631 ips_name, ha->host_num);
1632
1633 return (IPS_FAILURE);
1634 }
1635
1636 if (ha->pcidev->device == IPS_DEVICEID_COPPERHEAD &&
1637 pt->CoppCP.cmd.flashfw.op_code ==
1638 IPS_CMD_RW_BIOSFW) {
1639 ret = ips_flash_copperhead(ha, pt, scb);
1640 ips_scmd_buf_write(SC, ha->ioctl_data,
1641 sizeof (ips_passthru_t));
1642 return ret;
1643 }
1644 if (ips_usrcmd(ha, pt, scb))
1645 return (IPS_SUCCESS);
1646 else
1647 return (IPS_FAILURE);
1648 }
1649
1650 break;
1651
1652 } /* end switch */
1653
1654 return (IPS_FAILURE);
1655}
1656
1657/****************************************************************************/
1658/* Routine Name: ips_flash_copperhead */
1659/* Routine Description: */
1660/* Flash the BIOS/FW on a Copperhead style controller */
1661/****************************************************************************/
1662static int
1663ips_flash_copperhead(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1664{
1665 int datasize;
1666
1667 /* Trombone is the only copperhead that can do packet flash, but only
1668 * for firmware. No one said it had to make sense. */
1669 if (IPS_IS_TROMBONE(ha) && pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE) {
1670 if (ips_usrcmd(ha, pt, scb))
1671 return IPS_SUCCESS;
1672 else
1673 return IPS_FAILURE;
1674 }
1675 pt->BasicStatus = 0x0B;
1676 pt->ExtendedStatus = 0;
1677 scb->scsi_cmd->result = DID_OK << 16;
1678 /* IF it's OK to Use the "CD BOOT" Flash Buffer, then you can */
1679 /* avoid allocating a huge buffer per adapter ( which can fail ). */
1680 if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE &&
1681 pt->CoppCP.cmd.flashfw.direction == IPS_ERASE_BIOS) {
1682 pt->BasicStatus = 0;
1683 return ips_flash_bios(ha, pt, scb);
1684 } else if (pt->CoppCP.cmd.flashfw.packet_num == 0) {
1685 if (ips_FlashData && !test_and_set_bit(0, &ips_FlashDataInUse)){
1686 ha->flash_data = ips_FlashData;
1687 ha->flash_busaddr = ips_flashbusaddr;
1688 ha->flash_len = PAGE_SIZE << 7;
1689 ha->flash_datasize = 0;
1690 } else if (!ha->flash_data) {
1691 datasize = pt->CoppCP.cmd.flashfw.total_packets *
1692 pt->CoppCP.cmd.flashfw.count;
1693 ha->flash_data = pci_alloc_consistent(ha->pcidev,
1694 datasize,
1695 &ha->flash_busaddr);
1696 if (!ha->flash_data){
1697 printk(KERN_WARNING "Unable to allocate a flash buffer\n");
1698 return IPS_FAILURE;
1699 }
1700 ha->flash_datasize = 0;
1701 ha->flash_len = datasize;
1702 } else
1703 return IPS_FAILURE;
1704 } else {
1705 if (pt->CoppCP.cmd.flashfw.count + ha->flash_datasize >
1706 ha->flash_len) {
1707 ips_free_flash_copperhead(ha);
1708 IPS_PRINTK(KERN_WARNING, ha->pcidev,
1709 "failed size sanity check\n");
1710 return IPS_FAILURE;
1711 }
1712 }
1713 if (!ha->flash_data)
1714 return IPS_FAILURE;
1715 pt->BasicStatus = 0;
1716 memcpy(&ha->flash_data[ha->flash_datasize], pt + 1,
1717 pt->CoppCP.cmd.flashfw.count);
1718 ha->flash_datasize += pt->CoppCP.cmd.flashfw.count;
1719 if (pt->CoppCP.cmd.flashfw.packet_num ==
1720 pt->CoppCP.cmd.flashfw.total_packets - 1) {
1721 if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE)
1722 return ips_flash_bios(ha, pt, scb);
1723 else if (pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE)
1724 return ips_flash_firmware(ha, pt, scb);
1725 }
1726 return IPS_SUCCESS_IMM;
1727}
1728
1729/****************************************************************************/
1730/* Routine Name: ips_flash_bios */
1731/* Routine Description: */
1732/* flashes the bios of a copperhead adapter */
1733/****************************************************************************/
1734static int
1735ips_flash_bios(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1736{
1737
1738 if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE &&
1739 pt->CoppCP.cmd.flashfw.direction == IPS_WRITE_BIOS) {
1740 if ((!ha->func.programbios) || (!ha->func.erasebios) ||
1741 (!ha->func.verifybios))
1742 goto error;
1743 if ((*ha->func.erasebios) (ha)) {
1744 DEBUG_VAR(1,
1745 "(%s%d) flash bios failed - unable to erase flash",
1746 ips_name, ha->host_num);
1747 goto error;
1748 } else
1749 if ((*ha->func.programbios) (ha,
1750 ha->flash_data +
1751 IPS_BIOS_HEADER,
1752 ha->flash_datasize -
1753 IPS_BIOS_HEADER, 0)) {
1754 DEBUG_VAR(1,
1755 "(%s%d) flash bios failed - unable to flash",
1756 ips_name, ha->host_num);
1757 goto error;
1758 } else
1759 if ((*ha->func.verifybios) (ha,
1760 ha->flash_data +
1761 IPS_BIOS_HEADER,
1762 ha->flash_datasize -
1763 IPS_BIOS_HEADER, 0)) {
1764 DEBUG_VAR(1,
1765 "(%s%d) flash bios failed - unable to verify flash",
1766 ips_name, ha->host_num);
1767 goto error;
1768 }
1769 ips_free_flash_copperhead(ha);
1770 return IPS_SUCCESS_IMM;
1771 } else if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE &&
1772 pt->CoppCP.cmd.flashfw.direction == IPS_ERASE_BIOS) {
1773 if (!ha->func.erasebios)
1774 goto error;
1775 if ((*ha->func.erasebios) (ha)) {
1776 DEBUG_VAR(1,
1777 "(%s%d) flash bios failed - unable to erase flash",
1778 ips_name, ha->host_num);
1779 goto error;
1780 }
1781 return IPS_SUCCESS_IMM;
1782 }
1783 error:
1784 pt->BasicStatus = 0x0B;
1785 pt->ExtendedStatus = 0x00;
1786 ips_free_flash_copperhead(ha);
1787 return IPS_FAILURE;
1788}
1789
1790/****************************************************************************/
1791/* */
1792/* Routine Name: ips_fill_scb_sg_single */
1793/* */
1794/* Routine Description: */
1795/* Fill in a single scb sg_list element from an address */
1796/* return a -1 if a breakup occurred */
1797/****************************************************************************/
1798static int
1799ips_fill_scb_sg_single(ips_ha_t * ha, dma_addr_t busaddr,
1800 ips_scb_t * scb, int indx, unsigned int e_len)
1801{
1802
1803 int ret_val = 0;
1804
1805 if ((scb->data_len + e_len) > ha->max_xfer) {
1806 e_len = ha->max_xfer - scb->data_len;
1807 scb->breakup = indx;
1808 ++scb->sg_break;
1809 ret_val = -1;
1810 } else {
1811 scb->breakup = 0;
1812 scb->sg_break = 0;
1813 }
1814 if (IPS_USE_ENH_SGLIST(ha)) {
1815 scb->sg_list.enh_list[indx].address_lo =
1816 cpu_to_le32(pci_dma_lo32(busaddr));
1817 scb->sg_list.enh_list[indx].address_hi =
1818 cpu_to_le32(pci_dma_hi32(busaddr));
1819 scb->sg_list.enh_list[indx].length = cpu_to_le32(e_len);
1820 } else {
1821 scb->sg_list.std_list[indx].address =
1822 cpu_to_le32(pci_dma_lo32(busaddr));
1823 scb->sg_list.std_list[indx].length = cpu_to_le32(e_len);
1824 }
1825
1826 ++scb->sg_len;
1827 scb->data_len += e_len;
1828 return ret_val;
1829}
1830
1831/****************************************************************************/
1832/* Routine Name: ips_flash_firmware */
1833/* Routine Description: */
1834/* flashes the firmware of a copperhead adapter */
1835/****************************************************************************/
1836static int
1837ips_flash_firmware(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1838{
1839 IPS_SG_LIST sg_list;
1840 uint32_t cmd_busaddr;
1841
1842 if (pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE &&
1843 pt->CoppCP.cmd.flashfw.direction == IPS_WRITE_FW) {
1844 memset(&pt->CoppCP.cmd, 0, sizeof (IPS_HOST_COMMAND));
1845 pt->CoppCP.cmd.flashfw.op_code = IPS_CMD_DOWNLOAD;
1846 pt->CoppCP.cmd.flashfw.count = cpu_to_le32(ha->flash_datasize);
1847 } else {
1848 pt->BasicStatus = 0x0B;
1849 pt->ExtendedStatus = 0x00;
1850 ips_free_flash_copperhead(ha);
1851 return IPS_FAILURE;
1852 }
1853 /* Save the S/G list pointer so it doesn't get clobbered */
1854 sg_list.list = scb->sg_list.list;
1855 cmd_busaddr = scb->scb_busaddr;
1856 /* copy in the CP */
1857 memcpy(&scb->cmd, &pt->CoppCP.cmd, sizeof (IPS_IOCTL_CMD));
1858 /* FIX stuff that might be wrong */
1859 scb->sg_list.list = sg_list.list;
1860 scb->scb_busaddr = cmd_busaddr;
1861 scb->bus = scb->scsi_cmd->device->channel;
1862 scb->target_id = scb->scsi_cmd->device->id;
1863 scb->lun = scb->scsi_cmd->device->lun;
1864 scb->sg_len = 0;
1865 scb->data_len = 0;
1866 scb->flags = 0;
1867 scb->op_code = 0;
1868 scb->callback = ipsintr_done;
1869 scb->timeout = ips_cmd_timeout;
1870
1871 scb->data_len = ha->flash_datasize;
1872 scb->data_busaddr =
1873 pci_map_single(ha->pcidev, ha->flash_data, scb->data_len,
1874 IPS_DMA_DIR(scb));
1875 scb->flags |= IPS_SCB_MAP_SINGLE;
1876 scb->cmd.flashfw.command_id = IPS_COMMAND_ID(ha, scb);
1877 scb->cmd.flashfw.buffer_addr = cpu_to_le32(scb->data_busaddr);
1878 if (pt->TimeOut)
1879 scb->timeout = pt->TimeOut;
1880 scb->scsi_cmd->result = DID_OK << 16;
1881 return IPS_SUCCESS;
1882}
1883
1884/****************************************************************************/
1885/* Routine Name: ips_free_flash_copperhead */
1886/* Routine Description: */
1887/* release the memory resources used to hold the flash image */
1888/****************************************************************************/
1889static void
1890ips_free_flash_copperhead(ips_ha_t * ha)
1891{
1892 if (ha->flash_data == ips_FlashData)
1893 test_and_clear_bit(0, &ips_FlashDataInUse);
1894 else if (ha->flash_data)
1895 pci_free_consistent(ha->pcidev, ha->flash_len, ha->flash_data,
1896 ha->flash_busaddr);
1897 ha->flash_data = NULL;
1898}
1899
1900/****************************************************************************/
1901/* */
1902/* Routine Name: ips_usrcmd */
1903/* */
1904/* Routine Description: */
1905/* */
1906/* Process a user command and make it ready to send */
1907/* */
1908/****************************************************************************/
1909static int
1910ips_usrcmd(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1911{
1912 IPS_SG_LIST sg_list;
1913 uint32_t cmd_busaddr;
1914
1915 METHOD_TRACE("ips_usrcmd", 1);
1916
1917 if ((!scb) || (!pt) || (!ha))
1918 return (0);
1919
1920 /* Save the S/G list pointer so it doesn't get clobbered */
1921 sg_list.list = scb->sg_list.list;
1922 cmd_busaddr = scb->scb_busaddr;
1923 /* copy in the CP */
1924 memcpy(&scb->cmd, &pt->CoppCP.cmd, sizeof (IPS_IOCTL_CMD));
1925 memcpy(&scb->dcdb, &pt->CoppCP.dcdb, sizeof (IPS_DCDB_TABLE));
1926
1927 /* FIX stuff that might be wrong */
1928 scb->sg_list.list = sg_list.list;
1929 scb->scb_busaddr = cmd_busaddr;
1930 scb->bus = scb->scsi_cmd->device->channel;
1931 scb->target_id = scb->scsi_cmd->device->id;
1932 scb->lun = scb->scsi_cmd->device->lun;
1933 scb->sg_len = 0;
1934 scb->data_len = 0;
1935 scb->flags = 0;
1936 scb->op_code = 0;
1937 scb->callback = ipsintr_done;
1938 scb->timeout = ips_cmd_timeout;
1939 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
1940
1941 /* we don't support DCDB/READ/WRITE Scatter Gather */
1942 if ((scb->cmd.basic_io.op_code == IPS_CMD_READ_SG) ||
1943 (scb->cmd.basic_io.op_code == IPS_CMD_WRITE_SG) ||
1944 (scb->cmd.basic_io.op_code == IPS_CMD_DCDB_SG))
1945 return (0);
1946
1947 if (pt->CmdBSize) {
1948 scb->data_len = pt->CmdBSize;
1949 scb->data_busaddr = ha->ioctl_busaddr + sizeof (ips_passthru_t);
1950 } else {
1951 scb->data_busaddr = 0L;
1952 }
1953
1954 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB)
1955 scb->cmd.dcdb.dcdb_address = cpu_to_le32(scb->scb_busaddr +
1956 (unsigned long) &scb->
1957 dcdb -
1958 (unsigned long) scb);
1959
1960 if (pt->CmdBSize) {
1961 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB)
1962 scb->dcdb.buffer_pointer =
1963 cpu_to_le32(scb->data_busaddr);
1964 else
1965 scb->cmd.basic_io.sg_addr =
1966 cpu_to_le32(scb->data_busaddr);
1967 }
1968
1969 /* set timeouts */
1970 if (pt->TimeOut) {
1971 scb->timeout = pt->TimeOut;
1972
1973 if (pt->TimeOut <= 10)
1974 scb->dcdb.cmd_attribute |= IPS_TIMEOUT10;
1975 else if (pt->TimeOut <= 60)
1976 scb->dcdb.cmd_attribute |= IPS_TIMEOUT60;
1977 else
1978 scb->dcdb.cmd_attribute |= IPS_TIMEOUT20M;
1979 }
1980
1981 /* assume success */
1982 scb->scsi_cmd->result = DID_OK << 16;
1983
1984 /* success */
1985 return (1);
1986}
1987
1988/****************************************************************************/
1989/* */
1990/* Routine Name: ips_cleanup_passthru */
1991/* */
1992/* Routine Description: */
1993/* */
1994/* Cleanup after a passthru command */
1995/* */
1996/****************************************************************************/
1997static void
1998ips_cleanup_passthru(ips_ha_t * ha, ips_scb_t * scb)
1999{
2000 ips_passthru_t *pt;
2001
2002 METHOD_TRACE("ips_cleanup_passthru", 1);
2003
2004 if ((!scb) || (!scb->scsi_cmd) || (!scsi_sglist(scb->scsi_cmd))) {
2005 DEBUG_VAR(1, "(%s%d) couldn't cleanup after passthru",
2006 ips_name, ha->host_num);
2007
2008 return;
2009 }
2010 pt = (ips_passthru_t *) ha->ioctl_data;
2011
2012 /* Copy data back to the user */
2013 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB) /* Copy DCDB Back to Caller's Area */
2014 memcpy(&pt->CoppCP.dcdb, &scb->dcdb, sizeof (IPS_DCDB_TABLE));
2015
2016 pt->BasicStatus = scb->basic_status;
2017 pt->ExtendedStatus = scb->extended_status;
2018 pt->AdapterType = ha->ad_type;
2019
2020 if (ha->pcidev->device == IPS_DEVICEID_COPPERHEAD &&
2021 (scb->cmd.flashfw.op_code == IPS_CMD_DOWNLOAD ||
2022 scb->cmd.flashfw.op_code == IPS_CMD_RW_BIOSFW))
2023 ips_free_flash_copperhead(ha);
2024
2025 ips_scmd_buf_write(scb->scsi_cmd, ha->ioctl_data, ha->ioctl_datasize);
2026}
2027
2028/****************************************************************************/
2029/* */
2030/* Routine Name: ips_host_info */
2031/* */
2032/* Routine Description: */
2033/* */
2034/* The passthru interface for the driver */
2035/* */
2036/****************************************************************************/
2037static int
2038ips_host_info(ips_ha_t * ha, char *ptr, off_t offset, int len)
2039{
2040 IPS_INFOSTR info;
2041
2042 METHOD_TRACE("ips_host_info", 1);
2043
2044 info.buffer = ptr;
2045 info.length = len;
2046 info.offset = offset;
2047 info.pos = 0;
2048 info.localpos = 0;
2049
2050 copy_info(&info, "\nIBM ServeRAID General Information:\n\n");
2051
2052 if ((le32_to_cpu(ha->nvram->signature) == IPS_NVRAM_P5_SIG) &&
2053 (le16_to_cpu(ha->nvram->adapter_type) != 0))
2054 copy_info(&info, "\tController Type : %s\n",
2055 ips_adapter_name[ha->ad_type - 1]);
2056 else
2057 copy_info(&info,
2058 "\tController Type : Unknown\n");
2059
2060 if (ha->io_addr)
2061 copy_info(&info,
2062 "\tIO region : 0x%lx (%d bytes)\n",
2063 ha->io_addr, ha->io_len);
2064
2065 if (ha->mem_addr) {
2066 copy_info(&info,
2067 "\tMemory region : 0x%lx (%d bytes)\n",
2068 ha->mem_addr, ha->mem_len);
2069 copy_info(&info,
2070 "\tShared memory address : 0x%lx\n",
2071 ha->mem_ptr);
2072 }
2073
2074 copy_info(&info, "\tIRQ number : %d\n", ha->pcidev->irq);
2075
2076 /* For the Next 3 lines Check for Binary 0 at the end and don't include it if it's there. */
2077 /* That keeps everything happy for "text" operations on the proc file. */
2078
2079 if (le32_to_cpu(ha->nvram->signature) == IPS_NVRAM_P5_SIG) {
2080 if (ha->nvram->bios_low[3] == 0) {
2081 copy_info(&info,
2082 "\tBIOS Version : %c%c%c%c%c%c%c\n",
2083 ha->nvram->bios_high[0], ha->nvram->bios_high[1],
2084 ha->nvram->bios_high[2], ha->nvram->bios_high[3],
2085 ha->nvram->bios_low[0], ha->nvram->bios_low[1],
2086 ha->nvram->bios_low[2]);
2087
2088 } else {
2089 copy_info(&info,
2090 "\tBIOS Version : %c%c%c%c%c%c%c%c\n",
2091 ha->nvram->bios_high[0], ha->nvram->bios_high[1],
2092 ha->nvram->bios_high[2], ha->nvram->bios_high[3],
2093 ha->nvram->bios_low[0], ha->nvram->bios_low[1],
2094 ha->nvram->bios_low[2], ha->nvram->bios_low[3]);
2095 }
2096
2097 }
2098
2099 if (ha->enq->CodeBlkVersion[7] == 0) {
2100 copy_info(&info,
2101 "\tFirmware Version : %c%c%c%c%c%c%c\n",
2102 ha->enq->CodeBlkVersion[0], ha->enq->CodeBlkVersion[1],
2103 ha->enq->CodeBlkVersion[2], ha->enq->CodeBlkVersion[3],
2104 ha->enq->CodeBlkVersion[4], ha->enq->CodeBlkVersion[5],
2105 ha->enq->CodeBlkVersion[6]);
2106 } else {
2107 copy_info(&info,
2108 "\tFirmware Version : %c%c%c%c%c%c%c%c\n",
2109 ha->enq->CodeBlkVersion[0], ha->enq->CodeBlkVersion[1],
2110 ha->enq->CodeBlkVersion[2], ha->enq->CodeBlkVersion[3],
2111 ha->enq->CodeBlkVersion[4], ha->enq->CodeBlkVersion[5],
2112 ha->enq->CodeBlkVersion[6], ha->enq->CodeBlkVersion[7]);
2113 }
2114
2115 if (ha->enq->BootBlkVersion[7] == 0) {
2116 copy_info(&info,
2117 "\tBoot Block Version : %c%c%c%c%c%c%c\n",
2118 ha->enq->BootBlkVersion[0], ha->enq->BootBlkVersion[1],
2119 ha->enq->BootBlkVersion[2], ha->enq->BootBlkVersion[3],
2120 ha->enq->BootBlkVersion[4], ha->enq->BootBlkVersion[5],
2121 ha->enq->BootBlkVersion[6]);
2122 } else {
2123 copy_info(&info,
2124 "\tBoot Block Version : %c%c%c%c%c%c%c%c\n",
2125 ha->enq->BootBlkVersion[0], ha->enq->BootBlkVersion[1],
2126 ha->enq->BootBlkVersion[2], ha->enq->BootBlkVersion[3],
2127 ha->enq->BootBlkVersion[4], ha->enq->BootBlkVersion[5],
2128 ha->enq->BootBlkVersion[6], ha->enq->BootBlkVersion[7]);
2129 }
2130
2131 copy_info(&info, "\tDriver Version : %s%s\n",
2132 IPS_VERSION_HIGH, IPS_VERSION_LOW);
2133
2134 copy_info(&info, "\tDriver Build : %d\n",
2135 IPS_BUILD_IDENT);
2136
2137 copy_info(&info, "\tMax Physical Devices : %d\n",
2138 ha->enq->ucMaxPhysicalDevices);
2139 copy_info(&info, "\tMax Active Commands : %d\n",
2140 ha->max_cmds);
2141 copy_info(&info, "\tCurrent Queued Commands : %d\n",
2142 ha->scb_waitlist.count);
2143 copy_info(&info, "\tCurrent Active Commands : %d\n",
2144 ha->scb_activelist.count - ha->num_ioctl);
2145 copy_info(&info, "\tCurrent Queued PT Commands : %d\n",
2146 ha->copp_waitlist.count);
2147 copy_info(&info, "\tCurrent Active PT Commands : %d\n",
2148 ha->num_ioctl);
2149
2150 copy_info(&info, "\n");
2151
2152 return (info.localpos);
2153}
2154
2155/****************************************************************************/
2156/* */
2157/* Routine Name: copy_mem_info */
2158/* */
2159/* Routine Description: */
2160/* */
2161/* Copy data into an IPS_INFOSTR structure */
2162/* */
2163/****************************************************************************/
2164static void
2165copy_mem_info(IPS_INFOSTR * info, char *data, int len)
2166{
2167 METHOD_TRACE("copy_mem_info", 1);
2168
2169 if (info->pos + len < info->offset) {
2170 info->pos += len;
2171 return;
2172 }
2173
2174 if (info->pos < info->offset) {
2175 data += (info->offset - info->pos);
2176 len -= (info->offset - info->pos);
2177 info->pos += (info->offset - info->pos);
2178 }
2179
2180 if (info->localpos + len > info->length)
2181 len = info->length - info->localpos;
2182
2183 if (len > 0) {
2184 memcpy(info->buffer + info->localpos, data, len);
2185 info->pos += len;
2186 info->localpos += len;
2187 }
2188}
2189
2190/****************************************************************************/
2191/* */
2192/* Routine Name: copy_info */
2193/* */
2194/* Routine Description: */
2195/* */
2196/* printf style wrapper for an info structure */
2197/* */
2198/****************************************************************************/
2199static int
2200copy_info(IPS_INFOSTR * info, char *fmt, ...)
2201{
2202 va_list args;
2203 char buf[128];
2204 int len;
2205
2206 METHOD_TRACE("copy_info", 1);
2207
2208 va_start(args, fmt);
2209 len = vsprintf(buf, fmt, args);
2210 va_end(args);
2211
2212 copy_mem_info(info, buf, len);
2213
2214 return (len);
2215}
2216
2217/****************************************************************************/
2218/* */
2219/* Routine Name: ips_identify_controller */
2220/* */
2221/* Routine Description: */
2222/* */
2223/* Identify this controller */
2224/* */
2225/****************************************************************************/
2226static void
2227ips_identify_controller(ips_ha_t * ha)
2228{
2229 METHOD_TRACE("ips_identify_controller", 1);
2230
2231 switch (ha->pcidev->device) {
2232 case IPS_DEVICEID_COPPERHEAD:
2233 if (ha->pcidev->revision <= IPS_REVID_SERVERAID) {
2234 ha->ad_type = IPS_ADTYPE_SERVERAID;
2235 } else if (ha->pcidev->revision == IPS_REVID_SERVERAID2) {
2236 ha->ad_type = IPS_ADTYPE_SERVERAID2;
2237 } else if (ha->pcidev->revision == IPS_REVID_NAVAJO) {
2238 ha->ad_type = IPS_ADTYPE_NAVAJO;
2239 } else if ((ha->pcidev->revision == IPS_REVID_SERVERAID2)
2240 && (ha->slot_num == 0)) {
2241 ha->ad_type = IPS_ADTYPE_KIOWA;
2242 } else if ((ha->pcidev->revision >= IPS_REVID_CLARINETP1) &&
2243 (ha->pcidev->revision <= IPS_REVID_CLARINETP3)) {
2244 if (ha->enq->ucMaxPhysicalDevices == 15)
2245 ha->ad_type = IPS_ADTYPE_SERVERAID3L;
2246 else
2247 ha->ad_type = IPS_ADTYPE_SERVERAID3;
2248 } else if ((ha->pcidev->revision >= IPS_REVID_TROMBONE32) &&
2249 (ha->pcidev->revision <= IPS_REVID_TROMBONE64)) {
2250 ha->ad_type = IPS_ADTYPE_SERVERAID4H;
2251 }
2252 break;
2253
2254 case IPS_DEVICEID_MORPHEUS:
2255 switch (ha->pcidev->subsystem_device) {
2256 case IPS_SUBDEVICEID_4L:
2257 ha->ad_type = IPS_ADTYPE_SERVERAID4L;
2258 break;
2259
2260 case IPS_SUBDEVICEID_4M:
2261 ha->ad_type = IPS_ADTYPE_SERVERAID4M;
2262 break;
2263
2264 case IPS_SUBDEVICEID_4MX:
2265 ha->ad_type = IPS_ADTYPE_SERVERAID4MX;
2266 break;
2267
2268 case IPS_SUBDEVICEID_4LX:
2269 ha->ad_type = IPS_ADTYPE_SERVERAID4LX;
2270 break;
2271
2272 case IPS_SUBDEVICEID_5I2:
2273 ha->ad_type = IPS_ADTYPE_SERVERAID5I2;
2274 break;
2275
2276 case IPS_SUBDEVICEID_5I1:
2277 ha->ad_type = IPS_ADTYPE_SERVERAID5I1;
2278 break;
2279 }
2280
2281 break;
2282
2283 case IPS_DEVICEID_MARCO:
2284 switch (ha->pcidev->subsystem_device) {
2285 case IPS_SUBDEVICEID_6M:
2286 ha->ad_type = IPS_ADTYPE_SERVERAID6M;
2287 break;
2288 case IPS_SUBDEVICEID_6I:
2289 ha->ad_type = IPS_ADTYPE_SERVERAID6I;
2290 break;
2291 case IPS_SUBDEVICEID_7k:
2292 ha->ad_type = IPS_ADTYPE_SERVERAID7k;
2293 break;
2294 case IPS_SUBDEVICEID_7M:
2295 ha->ad_type = IPS_ADTYPE_SERVERAID7M;
2296 break;
2297 }
2298 break;
2299 }
2300}
2301
2302/****************************************************************************/
2303/* */
2304/* Routine Name: ips_get_bios_version */
2305/* */
2306/* Routine Description: */
2307/* */
2308/* Get the BIOS revision number */
2309/* */
2310/****************************************************************************/
2311static void
2312ips_get_bios_version(ips_ha_t * ha, int intr)
2313{
2314 ips_scb_t *scb;
2315 int ret;
2316 uint8_t major;
2317 uint8_t minor;
2318 uint8_t subminor;
2319 uint8_t *buffer;
2320 char hexDigits[] =
2321 { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C',
2322 'D', 'E', 'F' };
2323
2324 METHOD_TRACE("ips_get_bios_version", 1);
2325
2326 major = 0;
2327 minor = 0;
2328
2329 strncpy(ha->bios_version, " ?", 8);
2330
2331 if (ha->pcidev->device == IPS_DEVICEID_COPPERHEAD) {
2332 if (IPS_USE_MEMIO(ha)) {
2333 /* Memory Mapped I/O */
2334
2335 /* test 1st byte */
2336 writel(0, ha->mem_ptr + IPS_REG_FLAP);
2337 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2338 udelay(25); /* 25 us */
2339
2340 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0x55)
2341 return;
2342
2343 writel(1, ha->mem_ptr + IPS_REG_FLAP);
2344 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2345 udelay(25); /* 25 us */
2346
2347 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0xAA)
2348 return;
2349
2350 /* Get Major version */
2351 writel(0x1FF, ha->mem_ptr + IPS_REG_FLAP);
2352 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2353 udelay(25); /* 25 us */
2354
2355 major = readb(ha->mem_ptr + IPS_REG_FLDP);
2356
2357 /* Get Minor version */
2358 writel(0x1FE, ha->mem_ptr + IPS_REG_FLAP);
2359 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2360 udelay(25); /* 25 us */
2361 minor = readb(ha->mem_ptr + IPS_REG_FLDP);
2362
2363 /* Get SubMinor version */
2364 writel(0x1FD, ha->mem_ptr + IPS_REG_FLAP);
2365 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2366 udelay(25); /* 25 us */
2367 subminor = readb(ha->mem_ptr + IPS_REG_FLDP);
2368
2369 } else {
2370 /* Programmed I/O */
2371
2372 /* test 1st byte */
2373 outl(0, ha->io_addr + IPS_REG_FLAP);
2374 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2375 udelay(25); /* 25 us */
2376
2377 if (inb(ha->io_addr + IPS_REG_FLDP) != 0x55)
2378 return;
2379
2380 outl(1, ha->io_addr + IPS_REG_FLAP);
2381 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2382 udelay(25); /* 25 us */
2383
2384 if (inb(ha->io_addr + IPS_REG_FLDP) != 0xAA)
2385 return;
2386
2387 /* Get Major version */
2388 outl(0x1FF, ha->io_addr + IPS_REG_FLAP);
2389 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2390 udelay(25); /* 25 us */
2391
2392 major = inb(ha->io_addr + IPS_REG_FLDP);
2393
2394 /* Get Minor version */
2395 outl(0x1FE, ha->io_addr + IPS_REG_FLAP);
2396 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2397 udelay(25); /* 25 us */
2398
2399 minor = inb(ha->io_addr + IPS_REG_FLDP);
2400
2401 /* Get SubMinor version */
2402 outl(0x1FD, ha->io_addr + IPS_REG_FLAP);
2403 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2404 udelay(25); /* 25 us */
2405
2406 subminor = inb(ha->io_addr + IPS_REG_FLDP);
2407
2408 }
2409 } else {
2410 /* Morpheus Family - Send Command to the card */
2411
2412 buffer = ha->ioctl_data;
2413
2414 memset(buffer, 0, 0x1000);
2415
2416 scb = &ha->scbs[ha->max_cmds - 1];
2417
2418 ips_init_scb(ha, scb);
2419
2420 scb->timeout = ips_cmd_timeout;
2421 scb->cdb[0] = IPS_CMD_RW_BIOSFW;
2422
2423 scb->cmd.flashfw.op_code = IPS_CMD_RW_BIOSFW;
2424 scb->cmd.flashfw.command_id = IPS_COMMAND_ID(ha, scb);
2425 scb->cmd.flashfw.type = 1;
2426 scb->cmd.flashfw.direction = 0;
2427 scb->cmd.flashfw.count = cpu_to_le32(0x800);
2428 scb->cmd.flashfw.total_packets = 1;
2429 scb->cmd.flashfw.packet_num = 0;
2430 scb->data_len = 0x1000;
2431 scb->cmd.flashfw.buffer_addr = ha->ioctl_busaddr;
2432
2433 /* issue the command */
2434 if (((ret =
2435 ips_send_wait(ha, scb, ips_cmd_timeout,
2436 intr)) == IPS_FAILURE)
2437 || (ret == IPS_SUCCESS_IMM)
2438 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) {
2439 /* Error occurred */
2440
2441 return;
2442 }
2443
2444 if ((buffer[0xC0] == 0x55) && (buffer[0xC1] == 0xAA)) {
2445 major = buffer[0x1ff + 0xC0]; /* Offset 0x1ff after the header (0xc0) */
2446 minor = buffer[0x1fe + 0xC0]; /* Offset 0x1fe after the header (0xc0) */
2447 subminor = buffer[0x1fd + 0xC0]; /* Offset 0x1fd after the header (0xc0) */
2448 } else {
2449 return;
2450 }
2451 }
2452
2453 ha->bios_version[0] = hexDigits[(major & 0xF0) >> 4];
2454 ha->bios_version[1] = '.';
2455 ha->bios_version[2] = hexDigits[major & 0x0F];
2456 ha->bios_version[3] = hexDigits[subminor];
2457 ha->bios_version[4] = '.';
2458 ha->bios_version[5] = hexDigits[(minor & 0xF0) >> 4];
2459 ha->bios_version[6] = hexDigits[minor & 0x0F];
2460 ha->bios_version[7] = 0;
2461}
2462
2463/****************************************************************************/
2464/* */
2465/* Routine Name: ips_hainit */
2466/* */
2467/* Routine Description: */
2468/* */
2469/* Initialize the controller */
2470/* */
2471/* NOTE: Assumes to be called from with a lock */
2472/* */
2473/****************************************************************************/
2474static int
2475ips_hainit(ips_ha_t * ha)
2476{
2477 int i;
2478 struct timeval tv;
2479
2480 METHOD_TRACE("ips_hainit", 1);
2481
2482 if (!ha)
2483 return (0);
2484
2485 if (ha->func.statinit)
2486 (*ha->func.statinit) (ha);
2487
2488 if (ha->func.enableint)
2489 (*ha->func.enableint) (ha);
2490
2491 /* Send FFDC */
2492 ha->reset_count = 1;
2493 do_gettimeofday(&tv);
2494 ha->last_ffdc = tv.tv_sec;
2495 ips_ffdc_reset(ha, IPS_INTR_IORL);
2496
2497 if (!ips_read_config(ha, IPS_INTR_IORL)) {
2498 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2499 "unable to read config from controller.\n");
2500
2501 return (0);
2502 }
2503 /* end if */
2504 if (!ips_read_adapter_status(ha, IPS_INTR_IORL)) {
2505 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2506 "unable to read controller status.\n");
2507
2508 return (0);
2509 }
2510
2511 /* Identify this controller */
2512 ips_identify_controller(ha);
2513
2514 if (!ips_read_subsystem_parameters(ha, IPS_INTR_IORL)) {
2515 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2516 "unable to read subsystem parameters.\n");
2517
2518 return (0);
2519 }
2520
2521 /* write nvram user page 5 */
2522 if (!ips_write_driver_status(ha, IPS_INTR_IORL)) {
2523 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2524 "unable to write driver info to controller.\n");
2525
2526 return (0);
2527 }
2528
2529 /* If there are Logical Drives and a Reset Occurred, then an EraseStripeLock is Needed */
2530 if ((ha->conf->ucLogDriveCount > 0) && (ha->requires_esl == 1))
2531 ips_clear_adapter(ha, IPS_INTR_IORL);
2532
2533 /* set limits on SID, LUN, BUS */
2534 ha->ntargets = IPS_MAX_TARGETS + 1;
2535 ha->nlun = 1;
2536 ha->nbus = (ha->enq->ucMaxPhysicalDevices / IPS_MAX_TARGETS) + 1;
2537
2538 switch (ha->conf->logical_drive[0].ucStripeSize) {
2539 case 4:
2540 ha->max_xfer = 0x10000;
2541 break;
2542
2543 case 5:
2544 ha->max_xfer = 0x20000;
2545 break;
2546
2547 case 6:
2548 ha->max_xfer = 0x40000;
2549 break;
2550
2551 case 7:
2552 default:
2553 ha->max_xfer = 0x80000;
2554 break;
2555 }
2556
2557 /* setup max concurrent commands */
2558 if (le32_to_cpu(ha->subsys->param[4]) & 0x1) {
2559 /* Use the new method */
2560 ha->max_cmds = ha->enq->ucConcurrentCmdCount;
2561 } else {
2562 /* use the old method */
2563 switch (ha->conf->logical_drive[0].ucStripeSize) {
2564 case 4:
2565 ha->max_cmds = 32;
2566 break;
2567
2568 case 5:
2569 ha->max_cmds = 16;
2570 break;
2571
2572 case 6:
2573 ha->max_cmds = 8;
2574 break;
2575
2576 case 7:
2577 default:
2578 ha->max_cmds = 4;
2579 break;
2580 }
2581 }
2582
2583 /* Limit the Active Commands on a Lite Adapter */
2584 if ((ha->ad_type == IPS_ADTYPE_SERVERAID3L) ||
2585 (ha->ad_type == IPS_ADTYPE_SERVERAID4L) ||
2586 (ha->ad_type == IPS_ADTYPE_SERVERAID4LX)) {
2587 if ((ha->max_cmds > MaxLiteCmds) && (MaxLiteCmds))
2588 ha->max_cmds = MaxLiteCmds;
2589 }
2590
2591 /* set controller IDs */
2592 ha->ha_id[0] = IPS_ADAPTER_ID;
2593 for (i = 1; i < ha->nbus; i++) {
2594 ha->ha_id[i] = ha->conf->init_id[i - 1] & 0x1f;
2595 ha->dcdb_active[i - 1] = 0;
2596 }
2597
2598 return (1);
2599}
2600
2601/****************************************************************************/
2602/* */
2603/* Routine Name: ips_next */
2604/* */
2605/* Routine Description: */
2606/* */
2607/* Take the next command off the queue and send it to the controller */
2608/* */
2609/****************************************************************************/
2610static void
2611ips_next(ips_ha_t * ha, int intr)
2612{
2613 ips_scb_t *scb;
2614 struct scsi_cmnd *SC;
2615 struct scsi_cmnd *p;
2616 struct scsi_cmnd *q;
2617 ips_copp_wait_item_t *item;
2618 int ret;
2619 struct Scsi_Host *host;
2620 METHOD_TRACE("ips_next", 1);
2621
2622 if (!ha)
2623 return;
2624 host = ips_sh[ha->host_num];
2625 /*
2626 * Block access to the queue function so
2627 * this command won't time out
2628 */
2629 if (intr == IPS_INTR_ON)
2630 spin_lock(host->host_lock);
2631
2632 if ((ha->subsys->param[3] & 0x300000)
2633 && (ha->scb_activelist.count == 0)) {
2634 struct timeval tv;
2635
2636 do_gettimeofday(&tv);
2637
2638 if (tv.tv_sec - ha->last_ffdc > IPS_SECS_8HOURS) {
2639 ha->last_ffdc = tv.tv_sec;
2640 ips_ffdc_time(ha);
2641 }
2642 }
2643
2644 /*
2645 * Send passthru commands
2646 * These have priority over normal I/O
2647 * but shouldn't affect performance too much
2648 * since we limit the number that can be active
2649 * on the card at any one time
2650 */
2651 while ((ha->num_ioctl < IPS_MAX_IOCTL) &&
2652 (ha->copp_waitlist.head) && (scb = ips_getscb(ha))) {
2653
2654 item = ips_removeq_copp_head(&ha->copp_waitlist);
2655 ha->num_ioctl++;
2656 if (intr == IPS_INTR_ON)
2657 spin_unlock(host->host_lock);
2658 scb->scsi_cmd = item->scsi_cmd;
2659 kfree(item);
2660
2661 ret = ips_make_passthru(ha, scb->scsi_cmd, scb, intr);
2662
2663 if (intr == IPS_INTR_ON)
2664 spin_lock(host->host_lock);
2665 switch (ret) {
2666 case IPS_FAILURE:
2667 if (scb->scsi_cmd) {
2668 scb->scsi_cmd->result = DID_ERROR << 16;
2669 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2670 }
2671
2672 ips_freescb(ha, scb);
2673 break;
2674 case IPS_SUCCESS_IMM:
2675 if (scb->scsi_cmd) {
2676 scb->scsi_cmd->result = DID_OK << 16;
2677 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2678 }
2679
2680 ips_freescb(ha, scb);
2681 break;
2682 default:
2683 break;
2684 } /* end case */
2685
2686 if (ret != IPS_SUCCESS) {
2687 ha->num_ioctl--;
2688 continue;
2689 }
2690
2691 ret = ips_send_cmd(ha, scb);
2692
2693 if (ret == IPS_SUCCESS)
2694 ips_putq_scb_head(&ha->scb_activelist, scb);
2695 else
2696 ha->num_ioctl--;
2697
2698 switch (ret) {
2699 case IPS_FAILURE:
2700 if (scb->scsi_cmd) {
2701 scb->scsi_cmd->result = DID_ERROR << 16;
2702 }
2703
2704 ips_freescb(ha, scb);
2705 break;
2706 case IPS_SUCCESS_IMM:
2707 ips_freescb(ha, scb);
2708 break;
2709 default:
2710 break;
2711 } /* end case */
2712
2713 }
2714
2715 /*
2716 * Send "Normal" I/O commands
2717 */
2718
2719 p = ha->scb_waitlist.head;
2720 while ((p) && (scb = ips_getscb(ha))) {
2721 if ((scmd_channel(p) > 0)
2722 && (ha->
2723 dcdb_active[scmd_channel(p) -
2724 1] & (1 << scmd_id(p)))) {
2725 ips_freescb(ha, scb);
2726 p = (struct scsi_cmnd *) p->host_scribble;
2727 continue;
2728 }
2729
2730 q = p;
2731 SC = ips_removeq_wait(&ha->scb_waitlist, q);
2732
2733 if (intr == IPS_INTR_ON)
2734 spin_unlock(host->host_lock); /* Unlock HA after command is taken off queue */
2735
2736 SC->result = DID_OK;
2737 SC->host_scribble = NULL;
2738
2739 scb->target_id = SC->device->id;
2740 scb->lun = SC->device->lun;
2741 scb->bus = SC->device->channel;
2742 scb->scsi_cmd = SC;
2743 scb->breakup = 0;
2744 scb->data_len = 0;
2745 scb->callback = ipsintr_done;
2746 scb->timeout = ips_cmd_timeout;
2747 memset(&scb->cmd, 0, 16);
2748
2749 /* copy in the CDB */
2750 memcpy(scb->cdb, SC->cmnd, SC->cmd_len);
2751
2752 scb->sg_count = scsi_dma_map(SC);
2753 BUG_ON(scb->sg_count < 0);
2754 if (scb->sg_count) {
2755 struct scatterlist *sg;
2756 int i;
2757
2758 scb->flags |= IPS_SCB_MAP_SG;
2759
2760 scsi_for_each_sg(SC, sg, scb->sg_count, i) {
2761 if (ips_fill_scb_sg_single
2762 (ha, sg_dma_address(sg), scb, i,
2763 sg_dma_len(sg)) < 0)
2764 break;
2765 }
2766 scb->dcdb.transfer_length = scb->data_len;
2767 } else {
2768 scb->data_busaddr = 0L;
2769 scb->sg_len = 0;
2770 scb->data_len = 0;
2771 scb->dcdb.transfer_length = 0;
2772 }
2773
2774 scb->dcdb.cmd_attribute =
2775 ips_command_direction[scb->scsi_cmd->cmnd[0]];
2776
2777 /* Allow a WRITE BUFFER Command to Have no Data */
2778 /* This is Used by Tape Flash Utilites */
2779 if ((scb->scsi_cmd->cmnd[0] == WRITE_BUFFER) &&
2780 (scb->data_len == 0))
2781 scb->dcdb.cmd_attribute = 0;
2782
2783 if (!(scb->dcdb.cmd_attribute & 0x3))
2784 scb->dcdb.transfer_length = 0;
2785
2786 if (scb->data_len >= IPS_MAX_XFER) {
2787 scb->dcdb.cmd_attribute |= IPS_TRANSFER64K;
2788 scb->dcdb.transfer_length = 0;
2789 }
2790 if (intr == IPS_INTR_ON)
2791 spin_lock(host->host_lock);
2792
2793 ret = ips_send_cmd(ha, scb);
2794
2795 switch (ret) {
2796 case IPS_SUCCESS:
2797 ips_putq_scb_head(&ha->scb_activelist, scb);
2798 break;
2799 case IPS_FAILURE:
2800 if (scb->scsi_cmd) {
2801 scb->scsi_cmd->result = DID_ERROR << 16;
2802 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2803 }
2804
2805 if (scb->bus)
2806 ha->dcdb_active[scb->bus - 1] &=
2807 ~(1 << scb->target_id);
2808
2809 ips_freescb(ha, scb);
2810 break;
2811 case IPS_SUCCESS_IMM:
2812 if (scb->scsi_cmd)
2813 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2814
2815 if (scb->bus)
2816 ha->dcdb_active[scb->bus - 1] &=
2817 ~(1 << scb->target_id);
2818
2819 ips_freescb(ha, scb);
2820 break;
2821 default:
2822 break;
2823 } /* end case */
2824
2825 p = (struct scsi_cmnd *) p->host_scribble;
2826
2827 } /* end while */
2828
2829 if (intr == IPS_INTR_ON)
2830 spin_unlock(host->host_lock);
2831}
2832
2833/****************************************************************************/
2834/* */
2835/* Routine Name: ips_putq_scb_head */
2836/* */
2837/* Routine Description: */
2838/* */
2839/* Add an item to the head of the queue */
2840/* */
2841/* ASSUMED to be called from within the HA lock */
2842/* */
2843/****************************************************************************/
2844static void
2845ips_putq_scb_head(ips_scb_queue_t * queue, ips_scb_t * item)
2846{
2847 METHOD_TRACE("ips_putq_scb_head", 1);
2848
2849 if (!item)
2850 return;
2851
2852 item->q_next = queue->head;
2853 queue->head = item;
2854
2855 if (!queue->tail)
2856 queue->tail = item;
2857
2858 queue->count++;
2859}
2860
2861/****************************************************************************/
2862/* */
2863/* Routine Name: ips_removeq_scb_head */
2864/* */
2865/* Routine Description: */
2866/* */
2867/* Remove the head of the queue */
2868/* */
2869/* ASSUMED to be called from within the HA lock */
2870/* */
2871/****************************************************************************/
2872static ips_scb_t *
2873ips_removeq_scb_head(ips_scb_queue_t * queue)
2874{
2875 ips_scb_t *item;
2876
2877 METHOD_TRACE("ips_removeq_scb_head", 1);
2878
2879 item = queue->head;
2880
2881 if (!item) {
2882 return (NULL);
2883 }
2884
2885 queue->head = item->q_next;
2886 item->q_next = NULL;
2887
2888 if (queue->tail == item)
2889 queue->tail = NULL;
2890
2891 queue->count--;
2892
2893 return (item);
2894}
2895
2896/****************************************************************************/
2897/* */
2898/* Routine Name: ips_removeq_scb */
2899/* */
2900/* Routine Description: */
2901/* */
2902/* Remove an item from a queue */
2903/* */
2904/* ASSUMED to be called from within the HA lock */
2905/* */
2906/****************************************************************************/
2907static ips_scb_t *
2908ips_removeq_scb(ips_scb_queue_t * queue, ips_scb_t * item)
2909{
2910 ips_scb_t *p;
2911
2912 METHOD_TRACE("ips_removeq_scb", 1);
2913
2914 if (!item)
2915 return (NULL);
2916
2917 if (item == queue->head) {
2918 return (ips_removeq_scb_head(queue));
2919 }
2920
2921 p = queue->head;
2922
2923 while ((p) && (item != p->q_next))
2924 p = p->q_next;
2925
2926 if (p) {
2927 /* found a match */
2928 p->q_next = item->q_next;
2929
2930 if (!item->q_next)
2931 queue->tail = p;
2932
2933 item->q_next = NULL;
2934 queue->count--;
2935
2936 return (item);
2937 }
2938
2939 return (NULL);
2940}
2941
2942/****************************************************************************/
2943/* */
2944/* Routine Name: ips_putq_wait_tail */
2945/* */
2946/* Routine Description: */
2947/* */
2948/* Add an item to the tail of the queue */
2949/* */
2950/* ASSUMED to be called from within the HA lock */
2951/* */
2952/****************************************************************************/
2953static void ips_putq_wait_tail(ips_wait_queue_t *queue, struct scsi_cmnd *item)
2954{
2955 METHOD_TRACE("ips_putq_wait_tail", 1);
2956
2957 if (!item)
2958 return;
2959
2960 item->host_scribble = NULL;
2961
2962 if (queue->tail)
2963 queue->tail->host_scribble = (char *) item;
2964
2965 queue->tail = item;
2966
2967 if (!queue->head)
2968 queue->head = item;
2969
2970 queue->count++;
2971}
2972
2973/****************************************************************************/
2974/* */
2975/* Routine Name: ips_removeq_wait_head */
2976/* */
2977/* Routine Description: */
2978/* */
2979/* Remove the head of the queue */
2980/* */
2981/* ASSUMED to be called from within the HA lock */
2982/* */
2983/****************************************************************************/
2984static struct scsi_cmnd *ips_removeq_wait_head(ips_wait_queue_t *queue)
2985{
2986 struct scsi_cmnd *item;
2987
2988 METHOD_TRACE("ips_removeq_wait_head", 1);
2989
2990 item = queue->head;
2991
2992 if (!item) {
2993 return (NULL);
2994 }
2995
2996 queue->head = (struct scsi_cmnd *) item->host_scribble;
2997 item->host_scribble = NULL;
2998
2999 if (queue->tail == item)
3000 queue->tail = NULL;
3001
3002 queue->count--;
3003
3004 return (item);
3005}
3006
3007/****************************************************************************/
3008/* */
3009/* Routine Name: ips_removeq_wait */
3010/* */
3011/* Routine Description: */
3012/* */
3013/* Remove an item from a queue */
3014/* */
3015/* ASSUMED to be called from within the HA lock */
3016/* */
3017/****************************************************************************/
3018static struct scsi_cmnd *ips_removeq_wait(ips_wait_queue_t *queue,
3019 struct scsi_cmnd *item)
3020{
3021 struct scsi_cmnd *p;
3022
3023 METHOD_TRACE("ips_removeq_wait", 1);
3024
3025 if (!item)
3026 return (NULL);
3027
3028 if (item == queue->head) {
3029 return (ips_removeq_wait_head(queue));
3030 }
3031
3032 p = queue->head;
3033
3034 while ((p) && (item != (struct scsi_cmnd *) p->host_scribble))
3035 p = (struct scsi_cmnd *) p->host_scribble;
3036
3037 if (p) {
3038 /* found a match */
3039 p->host_scribble = item->host_scribble;
3040
3041 if (!item->host_scribble)
3042 queue->tail = p;
3043
3044 item->host_scribble = NULL;
3045 queue->count--;
3046
3047 return (item);
3048 }
3049
3050 return (NULL);
3051}
3052
3053/****************************************************************************/
3054/* */
3055/* Routine Name: ips_putq_copp_tail */
3056/* */
3057/* Routine Description: */
3058/* */
3059/* Add an item to the tail of the queue */
3060/* */
3061/* ASSUMED to be called from within the HA lock */
3062/* */
3063/****************************************************************************/
3064static void
3065ips_putq_copp_tail(ips_copp_queue_t * queue, ips_copp_wait_item_t * item)
3066{
3067 METHOD_TRACE("ips_putq_copp_tail", 1);
3068
3069 if (!item)
3070 return;
3071
3072 item->next = NULL;
3073
3074 if (queue->tail)
3075 queue->tail->next = item;
3076
3077 queue->tail = item;
3078
3079 if (!queue->head)
3080 queue->head = item;
3081
3082 queue->count++;
3083}
3084
3085/****************************************************************************/
3086/* */
3087/* Routine Name: ips_removeq_copp_head */
3088/* */
3089/* Routine Description: */
3090/* */
3091/* Remove the head of the queue */
3092/* */
3093/* ASSUMED to be called from within the HA lock */
3094/* */
3095/****************************************************************************/
3096static ips_copp_wait_item_t *
3097ips_removeq_copp_head(ips_copp_queue_t * queue)
3098{
3099 ips_copp_wait_item_t *item;
3100
3101 METHOD_TRACE("ips_removeq_copp_head", 1);
3102
3103 item = queue->head;
3104
3105 if (!item) {
3106 return (NULL);
3107 }
3108
3109 queue->head = item->next;
3110 item->next = NULL;
3111
3112 if (queue->tail == item)
3113 queue->tail = NULL;
3114
3115 queue->count--;
3116
3117 return (item);
3118}
3119
3120/****************************************************************************/
3121/* */
3122/* Routine Name: ips_removeq_copp */
3123/* */
3124/* Routine Description: */
3125/* */
3126/* Remove an item from a queue */
3127/* */
3128/* ASSUMED to be called from within the HA lock */
3129/* */
3130/****************************************************************************/
3131static ips_copp_wait_item_t *
3132ips_removeq_copp(ips_copp_queue_t * queue, ips_copp_wait_item_t * item)
3133{
3134 ips_copp_wait_item_t *p;
3135
3136 METHOD_TRACE("ips_removeq_copp", 1);
3137
3138 if (!item)
3139 return (NULL);
3140
3141 if (item == queue->head) {
3142 return (ips_removeq_copp_head(queue));
3143 }
3144
3145 p = queue->head;
3146
3147 while ((p) && (item != p->next))
3148 p = p->next;
3149
3150 if (p) {
3151 /* found a match */
3152 p->next = item->next;
3153
3154 if (!item->next)
3155 queue->tail = p;
3156
3157 item->next = NULL;
3158 queue->count--;
3159
3160 return (item);
3161 }
3162
3163 return (NULL);
3164}
3165
3166/****************************************************************************/
3167/* */
3168/* Routine Name: ipsintr_blocking */
3169/* */
3170/* Routine Description: */
3171/* */
3172/* Finalize an interrupt for internal commands */
3173/* */
3174/****************************************************************************/
3175static void
3176ipsintr_blocking(ips_ha_t * ha, ips_scb_t * scb)
3177{
3178 METHOD_TRACE("ipsintr_blocking", 2);
3179
3180 ips_freescb(ha, scb);
3181 if ((ha->waitflag == TRUE) && (ha->cmd_in_progress == scb->cdb[0])) {
3182 ha->waitflag = FALSE;
3183
3184 return;
3185 }
3186}
3187
3188/****************************************************************************/
3189/* */
3190/* Routine Name: ipsintr_done */
3191/* */
3192/* Routine Description: */
3193/* */
3194/* Finalize an interrupt for non-internal commands */
3195/* */
3196/****************************************************************************/
3197static void
3198ipsintr_done(ips_ha_t * ha, ips_scb_t * scb)
3199{
3200 METHOD_TRACE("ipsintr_done", 2);
3201
3202 if (!scb) {
3203 IPS_PRINTK(KERN_WARNING, ha->pcidev,
3204 "Spurious interrupt; scb NULL.\n");
3205
3206 return;
3207 }
3208
3209 if (scb->scsi_cmd == NULL) {
3210 /* unexpected interrupt */
3211 IPS_PRINTK(KERN_WARNING, ha->pcidev,
3212 "Spurious interrupt; scsi_cmd not set.\n");
3213
3214 return;
3215 }
3216
3217 ips_done(ha, scb);
3218}
3219
3220/****************************************************************************/
3221/* */
3222/* Routine Name: ips_done */
3223/* */
3224/* Routine Description: */
3225/* */
3226/* Do housekeeping on completed commands */
3227/* ASSUMED to be called form within the request lock */
3228/****************************************************************************/
3229static void
3230ips_done(ips_ha_t * ha, ips_scb_t * scb)
3231{
3232 int ret;
3233
3234 METHOD_TRACE("ips_done", 1);
3235
3236 if (!scb)
3237 return;
3238
3239 if ((scb->scsi_cmd) && (ips_is_passthru(scb->scsi_cmd))) {
3240 ips_cleanup_passthru(ha, scb);
3241 ha->num_ioctl--;
3242 } else {
3243 /*
3244 * Check to see if this command had too much
3245 * data and had to be broke up. If so, queue
3246 * the rest of the data and continue.
3247 */
3248 if ((scb->breakup) || (scb->sg_break)) {
3249 struct scatterlist *sg;
3250 int i, sg_dma_index, ips_sg_index = 0;
3251
3252 /* we had a data breakup */
3253 scb->data_len = 0;
3254
3255 sg = scsi_sglist(scb->scsi_cmd);
3256
3257 /* Spin forward to last dma chunk */
3258 sg_dma_index = scb->breakup;
3259 for (i = 0; i < scb->breakup; i++)
3260 sg = sg_next(sg);
3261
3262 /* Take care of possible partial on last chunk */
3263 ips_fill_scb_sg_single(ha,
3264 sg_dma_address(sg),
3265 scb, ips_sg_index++,
3266 sg_dma_len(sg));
3267
3268 for (; sg_dma_index < scsi_sg_count(scb->scsi_cmd);
3269 sg_dma_index++, sg = sg_next(sg)) {
3270 if (ips_fill_scb_sg_single
3271 (ha,
3272 sg_dma_address(sg),
3273 scb, ips_sg_index++,
3274 sg_dma_len(sg)) < 0)
3275 break;
3276 }
3277
3278 scb->dcdb.transfer_length = scb->data_len;
3279 scb->dcdb.cmd_attribute |=
3280 ips_command_direction[scb->scsi_cmd->cmnd[0]];
3281
3282 if (!(scb->dcdb.cmd_attribute & 0x3))
3283 scb->dcdb.transfer_length = 0;
3284
3285 if (scb->data_len >= IPS_MAX_XFER) {
3286 scb->dcdb.cmd_attribute |= IPS_TRANSFER64K;
3287 scb->dcdb.transfer_length = 0;
3288 }
3289
3290 ret = ips_send_cmd(ha, scb);
3291
3292 switch (ret) {
3293 case IPS_FAILURE:
3294 if (scb->scsi_cmd) {
3295 scb->scsi_cmd->result = DID_ERROR << 16;
3296 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
3297 }
3298
3299 ips_freescb(ha, scb);
3300 break;
3301 case IPS_SUCCESS_IMM:
3302 if (scb->scsi_cmd) {
3303 scb->scsi_cmd->result = DID_ERROR << 16;
3304 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
3305 }
3306
3307 ips_freescb(ha, scb);
3308 break;
3309 default:
3310 break;
3311 } /* end case */
3312
3313 return;
3314 }
3315 } /* end if passthru */
3316
3317 if (scb->bus) {
3318 ha->dcdb_active[scb->bus - 1] &= ~(1 << scb->target_id);
3319 }
3320
3321 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
3322
3323 ips_freescb(ha, scb);
3324}
3325
3326/****************************************************************************/
3327/* */
3328/* Routine Name: ips_map_status */
3329/* */
3330/* Routine Description: */
3331/* */
3332/* Map Controller Error codes to Linux Error Codes */
3333/* */
3334/****************************************************************************/
3335static int
3336ips_map_status(ips_ha_t * ha, ips_scb_t * scb, ips_stat_t * sp)
3337{
3338 int errcode;
3339 int device_error;
3340 uint32_t transfer_len;
3341 IPS_DCDB_TABLE_TAPE *tapeDCDB;
3342 IPS_SCSI_INQ_DATA inquiryData;
3343
3344 METHOD_TRACE("ips_map_status", 1);
3345
3346 if (scb->bus) {
3347 DEBUG_VAR(2,
3348 "(%s%d) Physical device error (%d %d %d): %x %x, Sense Key: %x, ASC: %x, ASCQ: %x",
3349 ips_name, ha->host_num,
3350 scb->scsi_cmd->device->channel,
3351 scb->scsi_cmd->device->id, scb->scsi_cmd->device->lun,
3352 scb->basic_status, scb->extended_status,
3353 scb->extended_status ==
3354 IPS_ERR_CKCOND ? scb->dcdb.sense_info[2] & 0xf : 0,
3355 scb->extended_status ==
3356 IPS_ERR_CKCOND ? scb->dcdb.sense_info[12] : 0,
3357 scb->extended_status ==
3358 IPS_ERR_CKCOND ? scb->dcdb.sense_info[13] : 0);
3359 }
3360
3361 /* default driver error */
3362 errcode = DID_ERROR;
3363 device_error = 0;
3364
3365 switch (scb->basic_status & IPS_GSC_STATUS_MASK) {
3366 case IPS_CMD_TIMEOUT:
3367 errcode = DID_TIME_OUT;
3368 break;
3369
3370 case IPS_INVAL_OPCO:
3371 case IPS_INVAL_CMD_BLK:
3372 case IPS_INVAL_PARM_BLK:
3373 case IPS_LD_ERROR:
3374 case IPS_CMD_CMPLT_WERROR:
3375 break;
3376
3377 case IPS_PHYS_DRV_ERROR:
3378 switch (scb->extended_status) {
3379 case IPS_ERR_SEL_TO:
3380 if (scb->bus)
3381 errcode = DID_NO_CONNECT;
3382
3383 break;
3384
3385 case IPS_ERR_OU_RUN:
3386 if ((scb->cmd.dcdb.op_code == IPS_CMD_EXTENDED_DCDB) ||
3387 (scb->cmd.dcdb.op_code ==
3388 IPS_CMD_EXTENDED_DCDB_SG)) {
3389 tapeDCDB = (IPS_DCDB_TABLE_TAPE *) & scb->dcdb;
3390 transfer_len = tapeDCDB->transfer_length;
3391 } else {
3392 transfer_len =
3393 (uint32_t) scb->dcdb.transfer_length;
3394 }
3395
3396 if ((scb->bus) && (transfer_len < scb->data_len)) {
3397 /* Underrun - set default to no error */
3398 errcode = DID_OK;
3399
3400 /* Restrict access to physical DASD */
3401 if (scb->scsi_cmd->cmnd[0] == INQUIRY) {
3402 ips_scmd_buf_read(scb->scsi_cmd,
3403 &inquiryData, sizeof (inquiryData));
3404 if ((inquiryData.DeviceType & 0x1f) == TYPE_DISK) {
3405 errcode = DID_TIME_OUT;
3406 break;
3407 }
3408 }
3409 } else
3410 errcode = DID_ERROR;
3411
3412 break;
3413
3414 case IPS_ERR_RECOVERY:
3415 /* don't fail recovered errors */
3416 if (scb->bus)
3417 errcode = DID_OK;
3418
3419 break;
3420
3421 case IPS_ERR_HOST_RESET:
3422 case IPS_ERR_DEV_RESET:
3423 errcode = DID_RESET;
3424 break;
3425
3426 case IPS_ERR_CKCOND:
3427 if (scb->bus) {
3428 if ((scb->cmd.dcdb.op_code ==
3429 IPS_CMD_EXTENDED_DCDB)
3430 || (scb->cmd.dcdb.op_code ==
3431 IPS_CMD_EXTENDED_DCDB_SG)) {
3432 tapeDCDB =
3433 (IPS_DCDB_TABLE_TAPE *) & scb->dcdb;
3434 memcpy(scb->scsi_cmd->sense_buffer,
3435 tapeDCDB->sense_info,
3436 SCSI_SENSE_BUFFERSIZE);
3437 } else {
3438 memcpy(scb->scsi_cmd->sense_buffer,
3439 scb->dcdb.sense_info,
3440 SCSI_SENSE_BUFFERSIZE);
3441 }
3442 device_error = 2; /* check condition */
3443 }
3444
3445 errcode = DID_OK;
3446
3447 break;
3448
3449 default:
3450 errcode = DID_ERROR;
3451 break;
3452
3453 } /* end switch */
3454 } /* end switch */
3455
3456 scb->scsi_cmd->result = device_error | (errcode << 16);
3457
3458 return (1);
3459}
3460
3461/****************************************************************************/
3462/* */
3463/* Routine Name: ips_send_wait */
3464/* */
3465/* Routine Description: */
3466/* */
3467/* Send a command to the controller and wait for it to return */
3468/* */
3469/* The FFDC Time Stamp use this function for the callback, but doesn't */
3470/* actually need to wait. */
3471/****************************************************************************/
3472static int
3473ips_send_wait(ips_ha_t * ha, ips_scb_t * scb, int timeout, int intr)
3474{
3475 int ret;
3476
3477 METHOD_TRACE("ips_send_wait", 1);
3478
3479 if (intr != IPS_FFDC) { /* Won't be Waiting if this is a Time Stamp */
3480 ha->waitflag = TRUE;
3481 ha->cmd_in_progress = scb->cdb[0];
3482 }
3483 scb->callback = ipsintr_blocking;
3484 ret = ips_send_cmd(ha, scb);
3485
3486 if ((ret == IPS_FAILURE) || (ret == IPS_SUCCESS_IMM))
3487 return (ret);
3488
3489 if (intr != IPS_FFDC) /* Don't Wait around if this is a Time Stamp */
3490 ret = ips_wait(ha, timeout, intr);
3491
3492 return (ret);
3493}
3494
3495/****************************************************************************/
3496/* */
3497/* Routine Name: ips_scmd_buf_write */
3498/* */
3499/* Routine Description: */
3500/* Write data to struct scsi_cmnd request_buffer at proper offsets */
3501/****************************************************************************/
3502static void
3503ips_scmd_buf_write(struct scsi_cmnd *scmd, void *data, unsigned int count)
3504{
3505 unsigned long flags;
3506
3507 local_irq_save(flags);
3508 scsi_sg_copy_from_buffer(scmd, data, count);
3509 local_irq_restore(flags);
3510}
3511
3512/****************************************************************************/
3513/* */
3514/* Routine Name: ips_scmd_buf_read */
3515/* */
3516/* Routine Description: */
3517/* Copy data from a struct scsi_cmnd to a new, linear buffer */
3518/****************************************************************************/
3519static void
3520ips_scmd_buf_read(struct scsi_cmnd *scmd, void *data, unsigned int count)
3521{
3522 unsigned long flags;
3523
3524 local_irq_save(flags);
3525 scsi_sg_copy_to_buffer(scmd, data, count);
3526 local_irq_restore(flags);
3527}
3528
3529/****************************************************************************/
3530/* */
3531/* Routine Name: ips_send_cmd */
3532/* */
3533/* Routine Description: */
3534/* */
3535/* Map SCSI commands to ServeRAID commands for logical drives */
3536/* */
3537/****************************************************************************/
3538static int
3539ips_send_cmd(ips_ha_t * ha, ips_scb_t * scb)
3540{
3541 int ret;
3542 char *sp;
3543 int device_error;
3544 IPS_DCDB_TABLE_TAPE *tapeDCDB;
3545 int TimeOut;
3546
3547 METHOD_TRACE("ips_send_cmd", 1);
3548
3549 ret = IPS_SUCCESS;
3550
3551 if (!scb->scsi_cmd) {
3552 /* internal command */
3553
3554 if (scb->bus > 0) {
3555 /* Controller commands can't be issued */
3556 /* to real devices -- fail them */
3557 if ((ha->waitflag == TRUE) &&
3558 (ha->cmd_in_progress == scb->cdb[0])) {
3559 ha->waitflag = FALSE;
3560 }
3561
3562 return (1);
3563 }
3564 } else if ((scb->bus == 0) && (!ips_is_passthru(scb->scsi_cmd))) {
3565 /* command to logical bus -- interpret */
3566 ret = IPS_SUCCESS_IMM;
3567
3568 switch (scb->scsi_cmd->cmnd[0]) {
3569 case ALLOW_MEDIUM_REMOVAL:
3570 case REZERO_UNIT:
3571 case ERASE:
3572 case WRITE_FILEMARKS:
3573 case SPACE:
3574 scb->scsi_cmd->result = DID_ERROR << 16;
3575 break;
3576
3577 case START_STOP:
3578 scb->scsi_cmd->result = DID_OK << 16;
3579
3580 case TEST_UNIT_READY:
3581 case INQUIRY:
3582 if (scb->target_id == IPS_ADAPTER_ID) {
3583 /*
3584 * Either we have a TUR
3585 * or we have a SCSI inquiry
3586 */
3587 if (scb->scsi_cmd->cmnd[0] == TEST_UNIT_READY)
3588 scb->scsi_cmd->result = DID_OK << 16;
3589
3590 if (scb->scsi_cmd->cmnd[0] == INQUIRY) {
3591 IPS_SCSI_INQ_DATA inquiry;
3592
3593 memset(&inquiry, 0,
3594 sizeof (IPS_SCSI_INQ_DATA));
3595
3596 inquiry.DeviceType =
3597 IPS_SCSI_INQ_TYPE_PROCESSOR;
3598 inquiry.DeviceTypeQualifier =
3599 IPS_SCSI_INQ_LU_CONNECTED;
3600 inquiry.Version = IPS_SCSI_INQ_REV2;
3601 inquiry.ResponseDataFormat =
3602 IPS_SCSI_INQ_RD_REV2;
3603 inquiry.AdditionalLength = 31;
3604 inquiry.Flags[0] =
3605 IPS_SCSI_INQ_Address16;
3606 inquiry.Flags[1] =
3607 IPS_SCSI_INQ_WBus16 |
3608 IPS_SCSI_INQ_Sync;
3609 strncpy(inquiry.VendorId, "IBM ",
3610 8);
3611 strncpy(inquiry.ProductId,
3612 "SERVERAID ", 16);
3613 strncpy(inquiry.ProductRevisionLevel,
3614 "1.00", 4);
3615
3616 ips_scmd_buf_write(scb->scsi_cmd,
3617 &inquiry,
3618 sizeof (inquiry));
3619
3620 scb->scsi_cmd->result = DID_OK << 16;
3621 }
3622 } else {
3623 scb->cmd.logical_info.op_code = IPS_CMD_GET_LD_INFO;
3624 scb->cmd.logical_info.command_id = IPS_COMMAND_ID(ha, scb);
3625 scb->cmd.logical_info.reserved = 0;
3626 scb->cmd.logical_info.reserved2 = 0;
3627 scb->data_len = sizeof (IPS_LD_INFO);
3628 scb->data_busaddr = ha->logical_drive_info_dma_addr;
3629 scb->flags = 0;
3630 scb->cmd.logical_info.buffer_addr = scb->data_busaddr;
3631 ret = IPS_SUCCESS;
3632 }
3633
3634 break;
3635
3636 case REQUEST_SENSE:
3637 ips_reqsen(ha, scb);
3638 scb->scsi_cmd->result = DID_OK << 16;
3639 break;
3640
3641 case READ_6:
3642 case WRITE_6:
3643 if (!scb->sg_len) {
3644 scb->cmd.basic_io.op_code =
3645 (scb->scsi_cmd->cmnd[0] ==
3646 READ_6) ? IPS_CMD_READ : IPS_CMD_WRITE;
3647 scb->cmd.basic_io.enhanced_sg = 0;
3648 scb->cmd.basic_io.sg_addr =
3649 cpu_to_le32(scb->data_busaddr);
3650 } else {
3651 scb->cmd.basic_io.op_code =
3652 (scb->scsi_cmd->cmnd[0] ==
3653 READ_6) ? IPS_CMD_READ_SG :
3654 IPS_CMD_WRITE_SG;
3655 scb->cmd.basic_io.enhanced_sg =
3656 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3657 scb->cmd.basic_io.sg_addr =
3658 cpu_to_le32(scb->sg_busaddr);
3659 }
3660
3661 scb->cmd.basic_io.segment_4G = 0;
3662 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
3663 scb->cmd.basic_io.log_drv = scb->target_id;
3664 scb->cmd.basic_io.sg_count = scb->sg_len;
3665
3666 if (scb->cmd.basic_io.lba)
3667 le32_add_cpu(&scb->cmd.basic_io.lba,
3668 le16_to_cpu(scb->cmd.basic_io.
3669 sector_count));
3670 else
3671 scb->cmd.basic_io.lba =
3672 (((scb->scsi_cmd->
3673 cmnd[1] & 0x1f) << 16) | (scb->scsi_cmd->
3674 cmnd[2] << 8) |
3675 (scb->scsi_cmd->cmnd[3]));
3676
3677 scb->cmd.basic_io.sector_count =
3678 cpu_to_le16(scb->data_len / IPS_BLKSIZE);
3679
3680 if (le16_to_cpu(scb->cmd.basic_io.sector_count) == 0)
3681 scb->cmd.basic_io.sector_count =
3682 cpu_to_le16(256);
3683
3684 ret = IPS_SUCCESS;
3685 break;
3686
3687 case READ_10:
3688 case WRITE_10:
3689 if (!scb->sg_len) {
3690 scb->cmd.basic_io.op_code =
3691 (scb->scsi_cmd->cmnd[0] ==
3692 READ_10) ? IPS_CMD_READ : IPS_CMD_WRITE;
3693 scb->cmd.basic_io.enhanced_sg = 0;
3694 scb->cmd.basic_io.sg_addr =
3695 cpu_to_le32(scb->data_busaddr);
3696 } else {
3697 scb->cmd.basic_io.op_code =
3698 (scb->scsi_cmd->cmnd[0] ==
3699 READ_10) ? IPS_CMD_READ_SG :
3700 IPS_CMD_WRITE_SG;
3701 scb->cmd.basic_io.enhanced_sg =
3702 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3703 scb->cmd.basic_io.sg_addr =
3704 cpu_to_le32(scb->sg_busaddr);
3705 }
3706
3707 scb->cmd.basic_io.segment_4G = 0;
3708 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
3709 scb->cmd.basic_io.log_drv = scb->target_id;
3710 scb->cmd.basic_io.sg_count = scb->sg_len;
3711
3712 if (scb->cmd.basic_io.lba)
3713 le32_add_cpu(&scb->cmd.basic_io.lba,
3714 le16_to_cpu(scb->cmd.basic_io.
3715 sector_count));
3716 else
3717 scb->cmd.basic_io.lba =
3718 ((scb->scsi_cmd->cmnd[2] << 24) | (scb->
3719 scsi_cmd->
3720 cmnd[3]
3721 << 16) |
3722 (scb->scsi_cmd->cmnd[4] << 8) | scb->
3723 scsi_cmd->cmnd[5]);
3724
3725 scb->cmd.basic_io.sector_count =
3726 cpu_to_le16(scb->data_len / IPS_BLKSIZE);
3727
3728 if (cpu_to_le16(scb->cmd.basic_io.sector_count) == 0) {
3729 /*
3730 * This is a null condition
3731 * we don't have to do anything
3732 * so just return
3733 */
3734 scb->scsi_cmd->result = DID_OK << 16;
3735 } else
3736 ret = IPS_SUCCESS;
3737
3738 break;
3739
3740 case RESERVE:
3741 case RELEASE:
3742 scb->scsi_cmd->result = DID_OK << 16;
3743 break;
3744
3745 case MODE_SENSE:
3746 scb->cmd.basic_io.op_code = IPS_CMD_ENQUIRY;
3747 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
3748 scb->cmd.basic_io.segment_4G = 0;
3749 scb->cmd.basic_io.enhanced_sg = 0;
3750 scb->data_len = sizeof (*ha->enq);
3751 scb->cmd.basic_io.sg_addr = ha->enq_busaddr;
3752 ret = IPS_SUCCESS;
3753 break;
3754
3755 case READ_CAPACITY:
3756 scb->cmd.logical_info.op_code = IPS_CMD_GET_LD_INFO;
3757 scb->cmd.logical_info.command_id = IPS_COMMAND_ID(ha, scb);
3758 scb->cmd.logical_info.reserved = 0;
3759 scb->cmd.logical_info.reserved2 = 0;
3760 scb->cmd.logical_info.reserved3 = 0;
3761 scb->data_len = sizeof (IPS_LD_INFO);
3762 scb->data_busaddr = ha->logical_drive_info_dma_addr;
3763 scb->flags = 0;
3764 scb->cmd.logical_info.buffer_addr = scb->data_busaddr;
3765 ret = IPS_SUCCESS;
3766 break;
3767
3768 case SEND_DIAGNOSTIC:
3769 case REASSIGN_BLOCKS:
3770 case FORMAT_UNIT:
3771 case SEEK_10:
3772 case VERIFY:
3773 case READ_DEFECT_DATA:
3774 case READ_BUFFER:
3775 case WRITE_BUFFER:
3776 scb->scsi_cmd->result = DID_OK << 16;
3777 break;
3778
3779 default:
3780 /* Set the Return Info to appear like the Command was */
3781 /* attempted, a Check Condition occurred, and Sense */
3782 /* Data indicating an Invalid CDB OpCode is returned. */
3783 sp = (char *) scb->scsi_cmd->sense_buffer;
3784
3785 sp[0] = 0x70; /* Error Code */
3786 sp[2] = ILLEGAL_REQUEST; /* Sense Key 5 Illegal Req. */
3787 sp[7] = 0x0A; /* Additional Sense Length */
3788 sp[12] = 0x20; /* ASC = Invalid OpCode */
3789 sp[13] = 0x00; /* ASCQ */
3790
3791 device_error = 2; /* Indicate Check Condition */
3792 scb->scsi_cmd->result = device_error | (DID_OK << 16);
3793 break;
3794 } /* end switch */
3795 }
3796 /* end if */
3797 if (ret == IPS_SUCCESS_IMM)
3798 return (ret);
3799
3800 /* setup DCDB */
3801 if (scb->bus > 0) {
3802
3803 /* If we already know the Device is Not there, no need to attempt a Command */
3804 /* This also protects an NT FailOver Controller from getting CDB's sent to it */
3805 if (ha->conf->dev[scb->bus - 1][scb->target_id].ucState == 0) {
3806 scb->scsi_cmd->result = DID_NO_CONNECT << 16;
3807 return (IPS_SUCCESS_IMM);
3808 }
3809
3810 ha->dcdb_active[scb->bus - 1] |= (1 << scb->target_id);
3811 scb->cmd.dcdb.command_id = IPS_COMMAND_ID(ha, scb);
3812 scb->cmd.dcdb.dcdb_address = cpu_to_le32(scb->scb_busaddr +
3813 (unsigned long) &scb->
3814 dcdb -
3815 (unsigned long) scb);
3816 scb->cmd.dcdb.reserved = 0;
3817 scb->cmd.dcdb.reserved2 = 0;
3818 scb->cmd.dcdb.reserved3 = 0;
3819 scb->cmd.dcdb.segment_4G = 0;
3820 scb->cmd.dcdb.enhanced_sg = 0;
3821
3822 TimeOut = scb->scsi_cmd->request->timeout;
3823
3824 if (ha->subsys->param[4] & 0x00100000) { /* If NEW Tape DCDB is Supported */
3825 if (!scb->sg_len) {
3826 scb->cmd.dcdb.op_code = IPS_CMD_EXTENDED_DCDB;
3827 } else {
3828 scb->cmd.dcdb.op_code =
3829 IPS_CMD_EXTENDED_DCDB_SG;
3830 scb->cmd.dcdb.enhanced_sg =
3831 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3832 }
3833
3834 tapeDCDB = (IPS_DCDB_TABLE_TAPE *) & scb->dcdb; /* Use Same Data Area as Old DCDB Struct */
3835 tapeDCDB->device_address =
3836 ((scb->bus - 1) << 4) | scb->target_id;
3837 tapeDCDB->cmd_attribute |= IPS_DISCONNECT_ALLOWED;
3838 tapeDCDB->cmd_attribute &= ~IPS_TRANSFER64K; /* Always Turn OFF 64K Size Flag */
3839
3840 if (TimeOut) {
3841 if (TimeOut < (10 * HZ))
3842 tapeDCDB->cmd_attribute |= IPS_TIMEOUT10; /* TimeOut is 10 Seconds */
3843 else if (TimeOut < (60 * HZ))
3844 tapeDCDB->cmd_attribute |= IPS_TIMEOUT60; /* TimeOut is 60 Seconds */
3845 else if (TimeOut < (1200 * HZ))
3846 tapeDCDB->cmd_attribute |= IPS_TIMEOUT20M; /* TimeOut is 20 Minutes */
3847 }
3848
3849 tapeDCDB->cdb_length = scb->scsi_cmd->cmd_len;
3850 tapeDCDB->reserved_for_LUN = 0;
3851 tapeDCDB->transfer_length = scb->data_len;
3852 if (scb->cmd.dcdb.op_code == IPS_CMD_EXTENDED_DCDB_SG)
3853 tapeDCDB->buffer_pointer =
3854 cpu_to_le32(scb->sg_busaddr);
3855 else
3856 tapeDCDB->buffer_pointer =
3857 cpu_to_le32(scb->data_busaddr);
3858 tapeDCDB->sg_count = scb->sg_len;
3859 tapeDCDB->sense_length = sizeof (tapeDCDB->sense_info);
3860 tapeDCDB->scsi_status = 0;
3861 tapeDCDB->reserved = 0;
3862 memcpy(tapeDCDB->scsi_cdb, scb->scsi_cmd->cmnd,
3863 scb->scsi_cmd->cmd_len);
3864 } else {
3865 if (!scb->sg_len) {
3866 scb->cmd.dcdb.op_code = IPS_CMD_DCDB;
3867 } else {
3868 scb->cmd.dcdb.op_code = IPS_CMD_DCDB_SG;
3869 scb->cmd.dcdb.enhanced_sg =
3870 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3871 }
3872
3873 scb->dcdb.device_address =
3874 ((scb->bus - 1) << 4) | scb->target_id;
3875 scb->dcdb.cmd_attribute |= IPS_DISCONNECT_ALLOWED;
3876
3877 if (TimeOut) {
3878 if (TimeOut < (10 * HZ))
3879 scb->dcdb.cmd_attribute |= IPS_TIMEOUT10; /* TimeOut is 10 Seconds */
3880 else if (TimeOut < (60 * HZ))
3881 scb->dcdb.cmd_attribute |= IPS_TIMEOUT60; /* TimeOut is 60 Seconds */
3882 else if (TimeOut < (1200 * HZ))
3883 scb->dcdb.cmd_attribute |= IPS_TIMEOUT20M; /* TimeOut is 20 Minutes */
3884 }
3885
3886 scb->dcdb.transfer_length = scb->data_len;
3887 if (scb->dcdb.cmd_attribute & IPS_TRANSFER64K)
3888 scb->dcdb.transfer_length = 0;
3889 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB_SG)
3890 scb->dcdb.buffer_pointer =
3891 cpu_to_le32(scb->sg_busaddr);
3892 else
3893 scb->dcdb.buffer_pointer =
3894 cpu_to_le32(scb->data_busaddr);
3895 scb->dcdb.cdb_length = scb->scsi_cmd->cmd_len;
3896 scb->dcdb.sense_length = sizeof (scb->dcdb.sense_info);
3897 scb->dcdb.sg_count = scb->sg_len;
3898 scb->dcdb.reserved = 0;
3899 memcpy(scb->dcdb.scsi_cdb, scb->scsi_cmd->cmnd,
3900 scb->scsi_cmd->cmd_len);
3901 scb->dcdb.scsi_status = 0;
3902 scb->dcdb.reserved2[0] = 0;
3903 scb->dcdb.reserved2[1] = 0;
3904 scb->dcdb.reserved2[2] = 0;
3905 }
3906 }
3907
3908 return ((*ha->func.issue) (ha, scb));
3909}
3910
3911/****************************************************************************/
3912/* */
3913/* Routine Name: ips_chk_status */
3914/* */
3915/* Routine Description: */
3916/* */
3917/* Check the status of commands to logical drives */
3918/* Assumed to be called with the HA lock */
3919/****************************************************************************/
3920static void
3921ips_chkstatus(ips_ha_t * ha, IPS_STATUS * pstatus)
3922{
3923 ips_scb_t *scb;
3924 ips_stat_t *sp;
3925 uint8_t basic_status;
3926 uint8_t ext_status;
3927 int errcode;
3928 IPS_SCSI_INQ_DATA inquiryData;
3929
3930 METHOD_TRACE("ips_chkstatus", 1);
3931
3932 scb = &ha->scbs[pstatus->fields.command_id];
3933 scb->basic_status = basic_status =
3934 pstatus->fields.basic_status & IPS_BASIC_STATUS_MASK;
3935 scb->extended_status = ext_status = pstatus->fields.extended_status;
3936
3937 sp = &ha->sp;
3938 sp->residue_len = 0;
3939 sp->scb_addr = (void *) scb;
3940
3941 /* Remove the item from the active queue */
3942 ips_removeq_scb(&ha->scb_activelist, scb);
3943
3944 if (!scb->scsi_cmd)
3945 /* internal commands are handled in do_ipsintr */
3946 return;
3947
3948 DEBUG_VAR(2, "(%s%d) ips_chkstatus: cmd 0x%X id %d (%d %d %d)",
3949 ips_name,
3950 ha->host_num,
3951 scb->cdb[0],
3952 scb->cmd.basic_io.command_id,
3953 scb->bus, scb->target_id, scb->lun);
3954
3955 if ((scb->scsi_cmd) && (ips_is_passthru(scb->scsi_cmd)))
3956 /* passthru - just returns the raw result */
3957 return;
3958
3959 errcode = DID_OK;
3960
3961 if (((basic_status & IPS_GSC_STATUS_MASK) == IPS_CMD_SUCCESS) ||
3962 ((basic_status & IPS_GSC_STATUS_MASK) == IPS_CMD_RECOVERED_ERROR)) {
3963
3964 if (scb->bus == 0) {
3965 if ((basic_status & IPS_GSC_STATUS_MASK) ==
3966 IPS_CMD_RECOVERED_ERROR) {
3967 DEBUG_VAR(1,
3968 "(%s%d) Recovered Logical Drive Error OpCode: %x, BSB: %x, ESB: %x",
3969 ips_name, ha->host_num,
3970 scb->cmd.basic_io.op_code,
3971 basic_status, ext_status);
3972 }
3973
3974 switch (scb->scsi_cmd->cmnd[0]) {
3975 case ALLOW_MEDIUM_REMOVAL:
3976 case REZERO_UNIT:
3977 case ERASE:
3978 case WRITE_FILEMARKS:
3979 case SPACE:
3980 errcode = DID_ERROR;
3981 break;
3982
3983 case START_STOP:
3984 break;
3985
3986 case TEST_UNIT_READY:
3987 if (!ips_online(ha, scb)) {
3988 errcode = DID_TIME_OUT;
3989 }
3990 break;
3991
3992 case INQUIRY:
3993 if (ips_online(ha, scb)) {
3994 ips_inquiry(ha, scb);
3995 } else {
3996 errcode = DID_TIME_OUT;
3997 }
3998 break;
3999
4000 case REQUEST_SENSE:
4001 ips_reqsen(ha, scb);
4002 break;
4003
4004 case READ_6:
4005 case WRITE_6:
4006 case READ_10:
4007 case WRITE_10:
4008 case RESERVE:
4009 case RELEASE:
4010 break;
4011
4012 case MODE_SENSE:
4013 if (!ips_online(ha, scb)
4014 || !ips_msense(ha, scb)) {
4015 errcode = DID_ERROR;
4016 }
4017 break;
4018
4019 case READ_CAPACITY:
4020 if (ips_online(ha, scb))
4021 ips_rdcap(ha, scb);
4022 else {
4023 errcode = DID_TIME_OUT;
4024 }
4025 break;
4026
4027 case SEND_DIAGNOSTIC:
4028 case REASSIGN_BLOCKS:
4029 break;
4030
4031 case FORMAT_UNIT:
4032 errcode = DID_ERROR;
4033 break;
4034
4035 case SEEK_10:
4036 case VERIFY:
4037 case READ_DEFECT_DATA:
4038 case READ_BUFFER:
4039 case WRITE_BUFFER:
4040 break;
4041
4042 default:
4043 errcode = DID_ERROR;
4044 } /* end switch */
4045
4046 scb->scsi_cmd->result = errcode << 16;
4047 } else { /* bus == 0 */
4048 /* restrict access to physical drives */
4049 if (scb->scsi_cmd->cmnd[0] == INQUIRY) {
4050 ips_scmd_buf_read(scb->scsi_cmd,
4051 &inquiryData, sizeof (inquiryData));
4052 if ((inquiryData.DeviceType & 0x1f) == TYPE_DISK)
4053 scb->scsi_cmd->result = DID_TIME_OUT << 16;
4054 }
4055 } /* else */
4056 } else { /* recovered error / success */
4057 if (scb->bus == 0) {
4058 DEBUG_VAR(1,
4059 "(%s%d) Unrecovered Logical Drive Error OpCode: %x, BSB: %x, ESB: %x",
4060 ips_name, ha->host_num,
4061 scb->cmd.basic_io.op_code, basic_status,
4062 ext_status);
4063 }
4064
4065 ips_map_status(ha, scb, sp);
4066 } /* else */
4067}
4068
4069/****************************************************************************/
4070/* */
4071/* Routine Name: ips_online */
4072/* */
4073/* Routine Description: */
4074/* */
4075/* Determine if a logical drive is online */
4076/* */
4077/****************************************************************************/
4078static int
4079ips_online(ips_ha_t * ha, ips_scb_t * scb)
4080{
4081 METHOD_TRACE("ips_online", 1);
4082
4083 if (scb->target_id >= IPS_MAX_LD)
4084 return (0);
4085
4086 if ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1) {
4087 memset(ha->logical_drive_info, 0, sizeof (IPS_LD_INFO));
4088 return (0);
4089 }
4090
4091 if (ha->logical_drive_info->drive_info[scb->target_id].state !=
4092 IPS_LD_OFFLINE
4093 && ha->logical_drive_info->drive_info[scb->target_id].state !=
4094 IPS_LD_FREE
4095 && ha->logical_drive_info->drive_info[scb->target_id].state !=
4096 IPS_LD_CRS
4097 && ha->logical_drive_info->drive_info[scb->target_id].state !=
4098 IPS_LD_SYS)
4099 return (1);
4100 else
4101 return (0);
4102}
4103
4104/****************************************************************************/
4105/* */
4106/* Routine Name: ips_inquiry */
4107/* */
4108/* Routine Description: */
4109/* */
4110/* Simulate an inquiry command to a logical drive */
4111/* */
4112/****************************************************************************/
4113static int
4114ips_inquiry(ips_ha_t * ha, ips_scb_t * scb)
4115{
4116 IPS_SCSI_INQ_DATA inquiry;
4117
4118 METHOD_TRACE("ips_inquiry", 1);
4119
4120 memset(&inquiry, 0, sizeof (IPS_SCSI_INQ_DATA));
4121
4122 inquiry.DeviceType = IPS_SCSI_INQ_TYPE_DASD;
4123 inquiry.DeviceTypeQualifier = IPS_SCSI_INQ_LU_CONNECTED;
4124 inquiry.Version = IPS_SCSI_INQ_REV2;
4125 inquiry.ResponseDataFormat = IPS_SCSI_INQ_RD_REV2;
4126 inquiry.AdditionalLength = 31;
4127 inquiry.Flags[0] = IPS_SCSI_INQ_Address16;
4128 inquiry.Flags[1] =
4129 IPS_SCSI_INQ_WBus16 | IPS_SCSI_INQ_Sync | IPS_SCSI_INQ_CmdQue;
4130 strncpy(inquiry.VendorId, "IBM ", 8);
4131 strncpy(inquiry.ProductId, "SERVERAID ", 16);
4132 strncpy(inquiry.ProductRevisionLevel, "1.00", 4);
4133
4134 ips_scmd_buf_write(scb->scsi_cmd, &inquiry, sizeof (inquiry));
4135
4136 return (1);
4137}
4138
4139/****************************************************************************/
4140/* */
4141/* Routine Name: ips_rdcap */
4142/* */
4143/* Routine Description: */
4144/* */
4145/* Simulate a read capacity command to a logical drive */
4146/* */
4147/****************************************************************************/
4148static int
4149ips_rdcap(ips_ha_t * ha, ips_scb_t * scb)
4150{
4151 IPS_SCSI_CAPACITY cap;
4152
4153 METHOD_TRACE("ips_rdcap", 1);
4154
4155 if (scsi_bufflen(scb->scsi_cmd) < 8)
4156 return (0);
4157
4158 cap.lba =
4159 cpu_to_be32(le32_to_cpu
4160 (ha->logical_drive_info->
4161 drive_info[scb->target_id].sector_count) - 1);
4162 cap.len = cpu_to_be32((uint32_t) IPS_BLKSIZE);
4163
4164 ips_scmd_buf_write(scb->scsi_cmd, &cap, sizeof (cap));
4165
4166 return (1);
4167}
4168
4169/****************************************************************************/
4170/* */
4171/* Routine Name: ips_msense */
4172/* */
4173/* Routine Description: */
4174/* */
4175/* Simulate a mode sense command to a logical drive */
4176/* */
4177/****************************************************************************/
4178static int
4179ips_msense(ips_ha_t * ha, ips_scb_t * scb)
4180{
4181 uint16_t heads;
4182 uint16_t sectors;
4183 uint32_t cylinders;
4184 IPS_SCSI_MODE_PAGE_DATA mdata;
4185
4186 METHOD_TRACE("ips_msense", 1);
4187
4188 if (le32_to_cpu(ha->enq->ulDriveSize[scb->target_id]) > 0x400000 &&
4189 (ha->enq->ucMiscFlag & 0x8) == 0) {
4190 heads = IPS_NORM_HEADS;
4191 sectors = IPS_NORM_SECTORS;
4192 } else {
4193 heads = IPS_COMP_HEADS;
4194 sectors = IPS_COMP_SECTORS;
4195 }
4196
4197 cylinders =
4198 (le32_to_cpu(ha->enq->ulDriveSize[scb->target_id]) -
4199 1) / (heads * sectors);
4200
4201 memset(&mdata, 0, sizeof (IPS_SCSI_MODE_PAGE_DATA));
4202
4203 mdata.hdr.BlockDescLength = 8;
4204
4205 switch (scb->scsi_cmd->cmnd[2] & 0x3f) {
4206 case 0x03: /* page 3 */
4207 mdata.pdata.pg3.PageCode = 3;
4208 mdata.pdata.pg3.PageLength = sizeof (IPS_SCSI_MODE_PAGE3);
4209 mdata.hdr.DataLength =
4210 3 + mdata.hdr.BlockDescLength + mdata.pdata.pg3.PageLength;
4211 mdata.pdata.pg3.TracksPerZone = 0;
4212 mdata.pdata.pg3.AltSectorsPerZone = 0;
4213 mdata.pdata.pg3.AltTracksPerZone = 0;
4214 mdata.pdata.pg3.AltTracksPerVolume = 0;
4215 mdata.pdata.pg3.SectorsPerTrack = cpu_to_be16(sectors);
4216 mdata.pdata.pg3.BytesPerSector = cpu_to_be16(IPS_BLKSIZE);
4217 mdata.pdata.pg3.Interleave = cpu_to_be16(1);
4218 mdata.pdata.pg3.TrackSkew = 0;
4219 mdata.pdata.pg3.CylinderSkew = 0;
4220 mdata.pdata.pg3.flags = IPS_SCSI_MP3_SoftSector;
4221 break;
4222
4223 case 0x4:
4224 mdata.pdata.pg4.PageCode = 4;
4225 mdata.pdata.pg4.PageLength = sizeof (IPS_SCSI_MODE_PAGE4);
4226 mdata.hdr.DataLength =
4227 3 + mdata.hdr.BlockDescLength + mdata.pdata.pg4.PageLength;
4228 mdata.pdata.pg4.CylindersHigh =
4229 cpu_to_be16((cylinders >> 8) & 0xFFFF);
4230 mdata.pdata.pg4.CylindersLow = (cylinders & 0xFF);
4231 mdata.pdata.pg4.Heads = heads;
4232 mdata.pdata.pg4.WritePrecompHigh = 0;
4233 mdata.pdata.pg4.WritePrecompLow = 0;
4234 mdata.pdata.pg4.ReducedWriteCurrentHigh = 0;
4235 mdata.pdata.pg4.ReducedWriteCurrentLow = 0;
4236 mdata.pdata.pg4.StepRate = cpu_to_be16(1);
4237 mdata.pdata.pg4.LandingZoneHigh = 0;
4238 mdata.pdata.pg4.LandingZoneLow = 0;
4239 mdata.pdata.pg4.flags = 0;
4240 mdata.pdata.pg4.RotationalOffset = 0;
4241 mdata.pdata.pg4.MediumRotationRate = 0;
4242 break;
4243 case 0x8:
4244 mdata.pdata.pg8.PageCode = 8;
4245 mdata.pdata.pg8.PageLength = sizeof (IPS_SCSI_MODE_PAGE8);
4246 mdata.hdr.DataLength =
4247 3 + mdata.hdr.BlockDescLength + mdata.pdata.pg8.PageLength;
4248 /* everything else is left set to 0 */
4249 break;
4250
4251 default:
4252 return (0);
4253 } /* end switch */
4254
4255 ips_scmd_buf_write(scb->scsi_cmd, &mdata, sizeof (mdata));
4256
4257 return (1);
4258}
4259
4260/****************************************************************************/
4261/* */
4262/* Routine Name: ips_reqsen */
4263/* */
4264/* Routine Description: */
4265/* */
4266/* Simulate a request sense command to a logical drive */
4267/* */
4268/****************************************************************************/
4269static int
4270ips_reqsen(ips_ha_t * ha, ips_scb_t * scb)
4271{
4272 IPS_SCSI_REQSEN reqsen;
4273
4274 METHOD_TRACE("ips_reqsen", 1);
4275
4276 memset(&reqsen, 0, sizeof (IPS_SCSI_REQSEN));
4277
4278 reqsen.ResponseCode =
4279 IPS_SCSI_REQSEN_VALID | IPS_SCSI_REQSEN_CURRENT_ERR;
4280 reqsen.AdditionalLength = 10;
4281 reqsen.AdditionalSenseCode = IPS_SCSI_REQSEN_NO_SENSE;
4282 reqsen.AdditionalSenseCodeQual = IPS_SCSI_REQSEN_NO_SENSE;
4283
4284 ips_scmd_buf_write(scb->scsi_cmd, &reqsen, sizeof (reqsen));
4285
4286 return (1);
4287}
4288
4289/****************************************************************************/
4290/* */
4291/* Routine Name: ips_free */
4292/* */
4293/* Routine Description: */
4294/* */
4295/* Free any allocated space for this controller */
4296/* */
4297/****************************************************************************/
4298static void
4299ips_free(ips_ha_t * ha)
4300{
4301
4302 METHOD_TRACE("ips_free", 1);
4303
4304 if (ha) {
4305 if (ha->enq) {
4306 pci_free_consistent(ha->pcidev, sizeof(IPS_ENQ),
4307 ha->enq, ha->enq_busaddr);
4308 ha->enq = NULL;
4309 }
4310
4311 kfree(ha->conf);
4312 ha->conf = NULL;
4313
4314 if (ha->adapt) {
4315 pci_free_consistent(ha->pcidev,
4316 sizeof (IPS_ADAPTER) +
4317 sizeof (IPS_IO_CMD), ha->adapt,
4318 ha->adapt->hw_status_start);
4319 ha->adapt = NULL;
4320 }
4321
4322 if (ha->logical_drive_info) {
4323 pci_free_consistent(ha->pcidev,
4324 sizeof (IPS_LD_INFO),
4325 ha->logical_drive_info,
4326 ha->logical_drive_info_dma_addr);
4327 ha->logical_drive_info = NULL;
4328 }
4329
4330 kfree(ha->nvram);
4331 ha->nvram = NULL;
4332
4333 kfree(ha->subsys);
4334 ha->subsys = NULL;
4335
4336 if (ha->ioctl_data) {
4337 pci_free_consistent(ha->pcidev, ha->ioctl_len,
4338 ha->ioctl_data, ha->ioctl_busaddr);
4339 ha->ioctl_data = NULL;
4340 ha->ioctl_datasize = 0;
4341 ha->ioctl_len = 0;
4342 }
4343 ips_deallocatescbs(ha, ha->max_cmds);
4344
4345 /* free memory mapped (if applicable) */
4346 if (ha->mem_ptr) {
4347 iounmap(ha->ioremap_ptr);
4348 ha->ioremap_ptr = NULL;
4349 ha->mem_ptr = NULL;
4350 }
4351
4352 ha->mem_addr = 0;
4353
4354 }
4355}
4356
4357/****************************************************************************/
4358/* */
4359/* Routine Name: ips_deallocatescbs */
4360/* */
4361/* Routine Description: */
4362/* */
4363/* Free the command blocks */
4364/* */
4365/****************************************************************************/
4366static int
4367ips_deallocatescbs(ips_ha_t * ha, int cmds)
4368{
4369 if (ha->scbs) {
4370 pci_free_consistent(ha->pcidev,
4371 IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * cmds,
4372 ha->scbs->sg_list.list,
4373 ha->scbs->sg_busaddr);
4374 pci_free_consistent(ha->pcidev, sizeof (ips_scb_t) * cmds,
4375 ha->scbs, ha->scbs->scb_busaddr);
4376 ha->scbs = NULL;
4377 } /* end if */
4378 return 1;
4379}
4380
4381/****************************************************************************/
4382/* */
4383/* Routine Name: ips_allocatescbs */
4384/* */
4385/* Routine Description: */
4386/* */
4387/* Allocate the command blocks */
4388/* */
4389/****************************************************************************/
4390static int
4391ips_allocatescbs(ips_ha_t * ha)
4392{
4393 ips_scb_t *scb_p;
4394 IPS_SG_LIST ips_sg;
4395 int i;
4396 dma_addr_t command_dma, sg_dma;
4397
4398 METHOD_TRACE("ips_allocatescbs", 1);
4399
4400 /* Allocate memory for the SCBs */
4401 ha->scbs =
4402 pci_alloc_consistent(ha->pcidev, ha->max_cmds * sizeof (ips_scb_t),
4403 &command_dma);
4404 if (ha->scbs == NULL)
4405 return 0;
4406 ips_sg.list =
4407 pci_alloc_consistent(ha->pcidev,
4408 IPS_SGLIST_SIZE(ha) * IPS_MAX_SG *
4409 ha->max_cmds, &sg_dma);
4410 if (ips_sg.list == NULL) {
4411 pci_free_consistent(ha->pcidev,
4412 ha->max_cmds * sizeof (ips_scb_t), ha->scbs,
4413 command_dma);
4414 return 0;
4415 }
4416
4417 memset(ha->scbs, 0, ha->max_cmds * sizeof (ips_scb_t));
4418
4419 for (i = 0; i < ha->max_cmds; i++) {
4420 scb_p = &ha->scbs[i];
4421 scb_p->scb_busaddr = command_dma + sizeof (ips_scb_t) * i;
4422 /* set up S/G list */
4423 if (IPS_USE_ENH_SGLIST(ha)) {
4424 scb_p->sg_list.enh_list =
4425 ips_sg.enh_list + i * IPS_MAX_SG;
4426 scb_p->sg_busaddr =
4427 sg_dma + IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * i;
4428 } else {
4429 scb_p->sg_list.std_list =
4430 ips_sg.std_list + i * IPS_MAX_SG;
4431 scb_p->sg_busaddr =
4432 sg_dma + IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * i;
4433 }
4434
4435 /* add to the free list */
4436 if (i < ha->max_cmds - 1) {
4437 scb_p->q_next = ha->scb_freelist;
4438 ha->scb_freelist = scb_p;
4439 }
4440 }
4441
4442 /* success */
4443 return (1);
4444}
4445
4446/****************************************************************************/
4447/* */
4448/* Routine Name: ips_init_scb */
4449/* */
4450/* Routine Description: */
4451/* */
4452/* Initialize a CCB to default values */
4453/* */
4454/****************************************************************************/
4455static void
4456ips_init_scb(ips_ha_t * ha, ips_scb_t * scb)
4457{
4458 IPS_SG_LIST sg_list;
4459 uint32_t cmd_busaddr, sg_busaddr;
4460 METHOD_TRACE("ips_init_scb", 1);
4461
4462 if (scb == NULL)
4463 return;
4464
4465 sg_list.list = scb->sg_list.list;
4466 cmd_busaddr = scb->scb_busaddr;
4467 sg_busaddr = scb->sg_busaddr;
4468 /* zero fill */
4469 memset(scb, 0, sizeof (ips_scb_t));
4470 memset(ha->dummy, 0, sizeof (IPS_IO_CMD));
4471
4472 /* Initialize dummy command bucket */
4473 ha->dummy->op_code = 0xFF;
4474 ha->dummy->ccsar = cpu_to_le32(ha->adapt->hw_status_start
4475 + sizeof (IPS_ADAPTER));
4476 ha->dummy->command_id = IPS_MAX_CMDS;
4477
4478 /* set bus address of scb */
4479 scb->scb_busaddr = cmd_busaddr;
4480 scb->sg_busaddr = sg_busaddr;
4481 scb->sg_list.list = sg_list.list;
4482
4483 /* Neptune Fix */
4484 scb->cmd.basic_io.cccr = cpu_to_le32((uint32_t) IPS_BIT_ILE);
4485 scb->cmd.basic_io.ccsar = cpu_to_le32(ha->adapt->hw_status_start
4486 + sizeof (IPS_ADAPTER));
4487}
4488
4489/****************************************************************************/
4490/* */
4491/* Routine Name: ips_get_scb */
4492/* */
4493/* Routine Description: */
4494/* */
4495/* Initialize a CCB to default values */
4496/* */
4497/* ASSUMED to be callled from within a lock */
4498/* */
4499/****************************************************************************/
4500static ips_scb_t *
4501ips_getscb(ips_ha_t * ha)
4502{
4503 ips_scb_t *scb;
4504
4505 METHOD_TRACE("ips_getscb", 1);
4506
4507 if ((scb = ha->scb_freelist) == NULL) {
4508
4509 return (NULL);
4510 }
4511
4512 ha->scb_freelist = scb->q_next;
4513 scb->flags = 0;
4514 scb->q_next = NULL;
4515
4516 ips_init_scb(ha, scb);
4517
4518 return (scb);
4519}
4520
4521/****************************************************************************/
4522/* */
4523/* Routine Name: ips_free_scb */
4524/* */
4525/* Routine Description: */
4526/* */
4527/* Return an unused CCB back to the free list */
4528/* */
4529/* ASSUMED to be called from within a lock */
4530/* */
4531/****************************************************************************/
4532static void
4533ips_freescb(ips_ha_t * ha, ips_scb_t * scb)
4534{
4535
4536 METHOD_TRACE("ips_freescb", 1);
4537 if (scb->flags & IPS_SCB_MAP_SG)
4538 scsi_dma_unmap(scb->scsi_cmd);
4539 else if (scb->flags & IPS_SCB_MAP_SINGLE)
4540 pci_unmap_single(ha->pcidev, scb->data_busaddr, scb->data_len,
4541 IPS_DMA_DIR(scb));
4542
4543 /* check to make sure this is not our "special" scb */
4544 if (IPS_COMMAND_ID(ha, scb) < (ha->max_cmds - 1)) {
4545 scb->q_next = ha->scb_freelist;
4546 ha->scb_freelist = scb;
4547 }
4548}
4549
4550/****************************************************************************/
4551/* */
4552/* Routine Name: ips_isinit_copperhead */
4553/* */
4554/* Routine Description: */
4555/* */
4556/* Is controller initialized ? */
4557/* */
4558/****************************************************************************/
4559static int
4560ips_isinit_copperhead(ips_ha_t * ha)
4561{
4562 uint8_t scpr;
4563 uint8_t isr;
4564
4565 METHOD_TRACE("ips_isinit_copperhead", 1);
4566
4567 isr = inb(ha->io_addr + IPS_REG_HISR);
4568 scpr = inb(ha->io_addr + IPS_REG_SCPR);
4569
4570 if (((isr & IPS_BIT_EI) == 0) && ((scpr & IPS_BIT_EBM) == 0))
4571 return (0);
4572 else
4573 return (1);
4574}
4575
4576/****************************************************************************/
4577/* */
4578/* Routine Name: ips_isinit_copperhead_memio */
4579/* */
4580/* Routine Description: */
4581/* */
4582/* Is controller initialized ? */
4583/* */
4584/****************************************************************************/
4585static int
4586ips_isinit_copperhead_memio(ips_ha_t * ha)
4587{
4588 uint8_t isr = 0;
4589 uint8_t scpr;
4590
4591 METHOD_TRACE("ips_is_init_copperhead_memio", 1);
4592
4593 isr = readb(ha->mem_ptr + IPS_REG_HISR);
4594 scpr = readb(ha->mem_ptr + IPS_REG_SCPR);
4595
4596 if (((isr & IPS_BIT_EI) == 0) && ((scpr & IPS_BIT_EBM) == 0))
4597 return (0);
4598 else
4599 return (1);
4600}
4601
4602/****************************************************************************/
4603/* */
4604/* Routine Name: ips_isinit_morpheus */
4605/* */
4606/* Routine Description: */
4607/* */
4608/* Is controller initialized ? */
4609/* */
4610/****************************************************************************/
4611static int
4612ips_isinit_morpheus(ips_ha_t * ha)
4613{
4614 uint32_t post;
4615 uint32_t bits;
4616
4617 METHOD_TRACE("ips_is_init_morpheus", 1);
4618
4619 if (ips_isintr_morpheus(ha))
4620 ips_flush_and_reset(ha);
4621
4622 post = readl(ha->mem_ptr + IPS_REG_I960_MSG0);
4623 bits = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
4624
4625 if (post == 0)
4626 return (0);
4627 else if (bits & 0x3)
4628 return (0);
4629 else
4630 return (1);
4631}
4632
4633/****************************************************************************/
4634/* */
4635/* Routine Name: ips_flush_and_reset */
4636/* */
4637/* Routine Description: */
4638/* */
4639/* Perform cleanup ( FLUSH and RESET ) when the adapter is in an unknown */
4640/* state ( was trying to INIT and an interrupt was already pending ) ... */
4641/* */
4642/****************************************************************************/
4643static void
4644ips_flush_and_reset(ips_ha_t *ha)
4645{
4646 ips_scb_t *scb;
4647 int ret;
4648 int time;
4649 int done;
4650 dma_addr_t command_dma;
4651
4652 /* Create a usuable SCB */
4653 scb = pci_alloc_consistent(ha->pcidev, sizeof(ips_scb_t), &command_dma);
4654 if (scb) {
4655 memset(scb, 0, sizeof(ips_scb_t));
4656 ips_init_scb(ha, scb);
4657 scb->scb_busaddr = command_dma;
4658
4659 scb->timeout = ips_cmd_timeout;
4660 scb->cdb[0] = IPS_CMD_FLUSH;
4661
4662 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
4663 scb->cmd.flush_cache.command_id = IPS_MAX_CMDS; /* Use an ID that would otherwise not exist */
4664 scb->cmd.flush_cache.state = IPS_NORM_STATE;
4665 scb->cmd.flush_cache.reserved = 0;
4666 scb->cmd.flush_cache.reserved2 = 0;
4667 scb->cmd.flush_cache.reserved3 = 0;
4668 scb->cmd.flush_cache.reserved4 = 0;
4669
4670 ret = ips_send_cmd(ha, scb); /* Send the Flush Command */
4671
4672 if (ret == IPS_SUCCESS) {
4673 time = 60 * IPS_ONE_SEC; /* Max Wait time is 60 seconds */
4674 done = 0;
4675
4676 while ((time > 0) && (!done)) {
4677 done = ips_poll_for_flush_complete(ha);
4678 /* This may look evil, but it's only done during extremely rare start-up conditions ! */
4679 udelay(1000);
4680 time--;
4681 }
4682 }
4683 }
4684
4685 /* Now RESET and INIT the adapter */
4686 (*ha->func.reset) (ha);
4687
4688 pci_free_consistent(ha->pcidev, sizeof(ips_scb_t), scb, command_dma);
4689 return;
4690}
4691
4692/****************************************************************************/
4693/* */
4694/* Routine Name: ips_poll_for_flush_complete */
4695/* */
4696/* Routine Description: */
4697/* */
4698/* Poll for the Flush Command issued by ips_flush_and_reset() to complete */
4699/* All other responses are just taken off the queue and ignored */
4700/* */
4701/****************************************************************************/
4702static int
4703ips_poll_for_flush_complete(ips_ha_t * ha)
4704{
4705 IPS_STATUS cstatus;
4706
4707 while (TRUE) {
4708 cstatus.value = (*ha->func.statupd) (ha);
4709
4710 if (cstatus.value == 0xffffffff) /* If No Interrupt to process */
4711 break;
4712
4713 /* Success is when we see the Flush Command ID */
4714 if (cstatus.fields.command_id == IPS_MAX_CMDS)
4715 return 1;
4716 }
4717
4718 return 0;
4719}
4720
4721/****************************************************************************/
4722/* */
4723/* Routine Name: ips_enable_int_copperhead */
4724/* */
4725/* Routine Description: */
4726/* Turn on interrupts */
4727/* */
4728/****************************************************************************/
4729static void
4730ips_enable_int_copperhead(ips_ha_t * ha)
4731{
4732 METHOD_TRACE("ips_enable_int_copperhead", 1);
4733
4734 outb(ha->io_addr + IPS_REG_HISR, IPS_BIT_EI);
4735 inb(ha->io_addr + IPS_REG_HISR); /*Ensure PCI Posting Completes*/
4736}
4737
4738/****************************************************************************/
4739/* */
4740/* Routine Name: ips_enable_int_copperhead_memio */
4741/* */
4742/* Routine Description: */
4743/* Turn on interrupts */
4744/* */
4745/****************************************************************************/
4746static void
4747ips_enable_int_copperhead_memio(ips_ha_t * ha)
4748{
4749 METHOD_TRACE("ips_enable_int_copperhead_memio", 1);
4750
4751 writeb(IPS_BIT_EI, ha->mem_ptr + IPS_REG_HISR);
4752 readb(ha->mem_ptr + IPS_REG_HISR); /*Ensure PCI Posting Completes*/
4753}
4754
4755/****************************************************************************/
4756/* */
4757/* Routine Name: ips_enable_int_morpheus */
4758/* */
4759/* Routine Description: */
4760/* Turn on interrupts */
4761/* */
4762/****************************************************************************/
4763static void
4764ips_enable_int_morpheus(ips_ha_t * ha)
4765{
4766 uint32_t Oimr;
4767
4768 METHOD_TRACE("ips_enable_int_morpheus", 1);
4769
4770 Oimr = readl(ha->mem_ptr + IPS_REG_I960_OIMR);
4771 Oimr &= ~0x08;
4772 writel(Oimr, ha->mem_ptr + IPS_REG_I960_OIMR);
4773 readl(ha->mem_ptr + IPS_REG_I960_OIMR); /*Ensure PCI Posting Completes*/
4774}
4775
4776/****************************************************************************/
4777/* */
4778/* Routine Name: ips_init_copperhead */
4779/* */
4780/* Routine Description: */
4781/* */
4782/* Initialize a copperhead controller */
4783/* */
4784/****************************************************************************/
4785static int
4786ips_init_copperhead(ips_ha_t * ha)
4787{
4788 uint8_t Isr;
4789 uint8_t Cbsp;
4790 uint8_t PostByte[IPS_MAX_POST_BYTES];
4791 uint8_t ConfigByte[IPS_MAX_CONFIG_BYTES];
4792 int i, j;
4793
4794 METHOD_TRACE("ips_init_copperhead", 1);
4795
4796 for (i = 0; i < IPS_MAX_POST_BYTES; i++) {
4797 for (j = 0; j < 45; j++) {
4798 Isr = inb(ha->io_addr + IPS_REG_HISR);
4799 if (Isr & IPS_BIT_GHI)
4800 break;
4801
4802 /* Delay for 1 Second */
4803 MDELAY(IPS_ONE_SEC);
4804 }
4805
4806 if (j >= 45)
4807 /* error occurred */
4808 return (0);
4809
4810 PostByte[i] = inb(ha->io_addr + IPS_REG_ISPR);
4811 outb(Isr, ha->io_addr + IPS_REG_HISR);
4812 }
4813
4814 if (PostByte[0] < IPS_GOOD_POST_STATUS) {
4815 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4816 "reset controller fails (post status %x %x).\n",
4817 PostByte[0], PostByte[1]);
4818
4819 return (0);
4820 }
4821
4822 for (i = 0; i < IPS_MAX_CONFIG_BYTES; i++) {
4823 for (j = 0; j < 240; j++) {
4824 Isr = inb(ha->io_addr + IPS_REG_HISR);
4825 if (Isr & IPS_BIT_GHI)
4826 break;
4827
4828 /* Delay for 1 Second */
4829 MDELAY(IPS_ONE_SEC);
4830 }
4831
4832 if (j >= 240)
4833 /* error occurred */
4834 return (0);
4835
4836 ConfigByte[i] = inb(ha->io_addr + IPS_REG_ISPR);
4837 outb(Isr, ha->io_addr + IPS_REG_HISR);
4838 }
4839
4840 for (i = 0; i < 240; i++) {
4841 Cbsp = inb(ha->io_addr + IPS_REG_CBSP);
4842
4843 if ((Cbsp & IPS_BIT_OP) == 0)
4844 break;
4845
4846 /* Delay for 1 Second */
4847 MDELAY(IPS_ONE_SEC);
4848 }
4849
4850 if (i >= 240)
4851 /* reset failed */
4852 return (0);
4853
4854 /* setup CCCR */
4855 outl(0x1010, ha->io_addr + IPS_REG_CCCR);
4856
4857 /* Enable busmastering */
4858 outb(IPS_BIT_EBM, ha->io_addr + IPS_REG_SCPR);
4859
4860 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
4861 /* fix for anaconda64 */
4862 outl(0, ha->io_addr + IPS_REG_NDAE);
4863
4864 /* Enable interrupts */
4865 outb(IPS_BIT_EI, ha->io_addr + IPS_REG_HISR);
4866
4867 return (1);
4868}
4869
4870/****************************************************************************/
4871/* */
4872/* Routine Name: ips_init_copperhead_memio */
4873/* */
4874/* Routine Description: */
4875/* */
4876/* Initialize a copperhead controller with memory mapped I/O */
4877/* */
4878/****************************************************************************/
4879static int
4880ips_init_copperhead_memio(ips_ha_t * ha)
4881{
4882 uint8_t Isr = 0;
4883 uint8_t Cbsp;
4884 uint8_t PostByte[IPS_MAX_POST_BYTES];
4885 uint8_t ConfigByte[IPS_MAX_CONFIG_BYTES];
4886 int i, j;
4887
4888 METHOD_TRACE("ips_init_copperhead_memio", 1);
4889
4890 for (i = 0; i < IPS_MAX_POST_BYTES; i++) {
4891 for (j = 0; j < 45; j++) {
4892 Isr = readb(ha->mem_ptr + IPS_REG_HISR);
4893 if (Isr & IPS_BIT_GHI)
4894 break;
4895
4896 /* Delay for 1 Second */
4897 MDELAY(IPS_ONE_SEC);
4898 }
4899
4900 if (j >= 45)
4901 /* error occurred */
4902 return (0);
4903
4904 PostByte[i] = readb(ha->mem_ptr + IPS_REG_ISPR);
4905 writeb(Isr, ha->mem_ptr + IPS_REG_HISR);
4906 }
4907
4908 if (PostByte[0] < IPS_GOOD_POST_STATUS) {
4909 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4910 "reset controller fails (post status %x %x).\n",
4911 PostByte[0], PostByte[1]);
4912
4913 return (0);
4914 }
4915
4916 for (i = 0; i < IPS_MAX_CONFIG_BYTES; i++) {
4917 for (j = 0; j < 240; j++) {
4918 Isr = readb(ha->mem_ptr + IPS_REG_HISR);
4919 if (Isr & IPS_BIT_GHI)
4920 break;
4921
4922 /* Delay for 1 Second */
4923 MDELAY(IPS_ONE_SEC);
4924 }
4925
4926 if (j >= 240)
4927 /* error occurred */
4928 return (0);
4929
4930 ConfigByte[i] = readb(ha->mem_ptr + IPS_REG_ISPR);
4931 writeb(Isr, ha->mem_ptr + IPS_REG_HISR);
4932 }
4933
4934 for (i = 0; i < 240; i++) {
4935 Cbsp = readb(ha->mem_ptr + IPS_REG_CBSP);
4936
4937 if ((Cbsp & IPS_BIT_OP) == 0)
4938 break;
4939
4940 /* Delay for 1 Second */
4941 MDELAY(IPS_ONE_SEC);
4942 }
4943
4944 if (i >= 240)
4945 /* error occurred */
4946 return (0);
4947
4948 /* setup CCCR */
4949 writel(0x1010, ha->mem_ptr + IPS_REG_CCCR);
4950
4951 /* Enable busmastering */
4952 writeb(IPS_BIT_EBM, ha->mem_ptr + IPS_REG_SCPR);
4953
4954 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
4955 /* fix for anaconda64 */
4956 writel(0, ha->mem_ptr + IPS_REG_NDAE);
4957
4958 /* Enable interrupts */
4959 writeb(IPS_BIT_EI, ha->mem_ptr + IPS_REG_HISR);
4960
4961 /* if we get here then everything went OK */
4962 return (1);
4963}
4964
4965/****************************************************************************/
4966/* */
4967/* Routine Name: ips_init_morpheus */
4968/* */
4969/* Routine Description: */
4970/* */
4971/* Initialize a morpheus controller */
4972/* */
4973/****************************************************************************/
4974static int
4975ips_init_morpheus(ips_ha_t * ha)
4976{
4977 uint32_t Post;
4978 uint32_t Config;
4979 uint32_t Isr;
4980 uint32_t Oimr;
4981 int i;
4982
4983 METHOD_TRACE("ips_init_morpheus", 1);
4984
4985 /* Wait up to 45 secs for Post */
4986 for (i = 0; i < 45; i++) {
4987 Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
4988
4989 if (Isr & IPS_BIT_I960_MSG0I)
4990 break;
4991
4992 /* Delay for 1 Second */
4993 MDELAY(IPS_ONE_SEC);
4994 }
4995
4996 if (i >= 45) {
4997 /* error occurred */
4998 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4999 "timeout waiting for post.\n");
5000
5001 return (0);
5002 }
5003
5004 Post = readl(ha->mem_ptr + IPS_REG_I960_MSG0);
5005
5006 if (Post == 0x4F00) { /* If Flashing the Battery PIC */
5007 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5008 "Flashing Battery PIC, Please wait ...\n");
5009
5010 /* Clear the interrupt bit */
5011 Isr = (uint32_t) IPS_BIT_I960_MSG0I;
5012 writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR);
5013
5014 for (i = 0; i < 120; i++) { /* Wait Up to 2 Min. for Completion */
5015 Post = readl(ha->mem_ptr + IPS_REG_I960_MSG0);
5016 if (Post != 0x4F00)
5017 break;
5018 /* Delay for 1 Second */
5019 MDELAY(IPS_ONE_SEC);
5020 }
5021
5022 if (i >= 120) {
5023 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5024 "timeout waiting for Battery PIC Flash\n");
5025 return (0);
5026 }
5027
5028 }
5029
5030 /* Clear the interrupt bit */
5031 Isr = (uint32_t) IPS_BIT_I960_MSG0I;
5032 writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR);
5033
5034 if (Post < (IPS_GOOD_POST_STATUS << 8)) {
5035 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5036 "reset controller fails (post status %x).\n", Post);
5037
5038 return (0);
5039 }
5040
5041 /* Wait up to 240 secs for config bytes */
5042 for (i = 0; i < 240; i++) {
5043 Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
5044
5045 if (Isr & IPS_BIT_I960_MSG1I)
5046 break;
5047
5048 /* Delay for 1 Second */
5049 MDELAY(IPS_ONE_SEC);
5050 }
5051
5052 if (i >= 240) {
5053 /* error occurred */
5054 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5055 "timeout waiting for config.\n");
5056
5057 return (0);
5058 }
5059
5060 Config = readl(ha->mem_ptr + IPS_REG_I960_MSG1);
5061
5062 /* Clear interrupt bit */
5063 Isr = (uint32_t) IPS_BIT_I960_MSG1I;
5064 writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR);
5065
5066 /* Turn on the interrupts */
5067 Oimr = readl(ha->mem_ptr + IPS_REG_I960_OIMR);
5068 Oimr &= ~0x8;
5069 writel(Oimr, ha->mem_ptr + IPS_REG_I960_OIMR);
5070
5071 /* if we get here then everything went OK */
5072
5073 /* Since we did a RESET, an EraseStripeLock may be needed */
5074 if (Post == 0xEF10) {
5075 if ((Config == 0x000F) || (Config == 0x0009))
5076 ha->requires_esl = 1;
5077 }
5078
5079 return (1);
5080}
5081
5082/****************************************************************************/
5083/* */
5084/* Routine Name: ips_reset_copperhead */
5085/* */
5086/* Routine Description: */
5087/* */
5088/* Reset the controller */
5089/* */
5090/****************************************************************************/
5091static int
5092ips_reset_copperhead(ips_ha_t * ha)
5093{
5094 int reset_counter;
5095
5096 METHOD_TRACE("ips_reset_copperhead", 1);
5097
5098 DEBUG_VAR(1, "(%s%d) ips_reset_copperhead: io addr: %x, irq: %d",
5099 ips_name, ha->host_num, ha->io_addr, ha->pcidev->irq);
5100
5101 reset_counter = 0;
5102
5103 while (reset_counter < 2) {
5104 reset_counter++;
5105
5106 outb(IPS_BIT_RST, ha->io_addr + IPS_REG_SCPR);
5107
5108 /* Delay for 1 Second */
5109 MDELAY(IPS_ONE_SEC);
5110
5111 outb(0, ha->io_addr + IPS_REG_SCPR);
5112
5113 /* Delay for 1 Second */
5114 MDELAY(IPS_ONE_SEC);
5115
5116 if ((*ha->func.init) (ha))
5117 break;
5118 else if (reset_counter >= 2) {
5119
5120 return (0);
5121 }
5122 }
5123
5124 return (1);
5125}
5126
5127/****************************************************************************/
5128/* */
5129/* Routine Name: ips_reset_copperhead_memio */
5130/* */
5131/* Routine Description: */
5132/* */
5133/* Reset the controller */
5134/* */
5135/****************************************************************************/
5136static int
5137ips_reset_copperhead_memio(ips_ha_t * ha)
5138{
5139 int reset_counter;
5140
5141 METHOD_TRACE("ips_reset_copperhead_memio", 1);
5142
5143 DEBUG_VAR(1, "(%s%d) ips_reset_copperhead_memio: mem addr: %x, irq: %d",
5144 ips_name, ha->host_num, ha->mem_addr, ha->pcidev->irq);
5145
5146 reset_counter = 0;
5147
5148 while (reset_counter < 2) {
5149 reset_counter++;
5150
5151 writeb(IPS_BIT_RST, ha->mem_ptr + IPS_REG_SCPR);
5152
5153 /* Delay for 1 Second */
5154 MDELAY(IPS_ONE_SEC);
5155
5156 writeb(0, ha->mem_ptr + IPS_REG_SCPR);
5157
5158 /* Delay for 1 Second */
5159 MDELAY(IPS_ONE_SEC);
5160
5161 if ((*ha->func.init) (ha))
5162 break;
5163 else if (reset_counter >= 2) {
5164
5165 return (0);
5166 }
5167 }
5168
5169 return (1);
5170}
5171
5172/****************************************************************************/
5173/* */
5174/* Routine Name: ips_reset_morpheus */
5175/* */
5176/* Routine Description: */
5177/* */
5178/* Reset the controller */
5179/* */
5180/****************************************************************************/
5181static int
5182ips_reset_morpheus(ips_ha_t * ha)
5183{
5184 int reset_counter;
5185 uint8_t junk;
5186
5187 METHOD_TRACE("ips_reset_morpheus", 1);
5188
5189 DEBUG_VAR(1, "(%s%d) ips_reset_morpheus: mem addr: %x, irq: %d",
5190 ips_name, ha->host_num, ha->mem_addr, ha->pcidev->irq);
5191
5192 reset_counter = 0;
5193
5194 while (reset_counter < 2) {
5195 reset_counter++;
5196
5197 writel(0x80000000, ha->mem_ptr + IPS_REG_I960_IDR);
5198
5199 /* Delay for 5 Seconds */
5200 MDELAY(5 * IPS_ONE_SEC);
5201
5202 /* Do a PCI config read to wait for adapter */
5203 pci_read_config_byte(ha->pcidev, 4, &junk);
5204
5205 if ((*ha->func.init) (ha))
5206 break;
5207 else if (reset_counter >= 2) {
5208
5209 return (0);
5210 }
5211 }
5212
5213 return (1);
5214}
5215
5216/****************************************************************************/
5217/* */
5218/* Routine Name: ips_statinit */
5219/* */
5220/* Routine Description: */
5221/* */
5222/* Initialize the status queues on the controller */
5223/* */
5224/****************************************************************************/
5225static void
5226ips_statinit(ips_ha_t * ha)
5227{
5228 uint32_t phys_status_start;
5229
5230 METHOD_TRACE("ips_statinit", 1);
5231
5232 ha->adapt->p_status_start = ha->adapt->status;
5233 ha->adapt->p_status_end = ha->adapt->status + IPS_MAX_CMDS;
5234 ha->adapt->p_status_tail = ha->adapt->status;
5235
5236 phys_status_start = ha->adapt->hw_status_start;
5237 outl(phys_status_start, ha->io_addr + IPS_REG_SQSR);
5238 outl(phys_status_start + IPS_STATUS_Q_SIZE,
5239 ha->io_addr + IPS_REG_SQER);
5240 outl(phys_status_start + IPS_STATUS_SIZE,
5241 ha->io_addr + IPS_REG_SQHR);
5242 outl(phys_status_start, ha->io_addr + IPS_REG_SQTR);
5243
5244 ha->adapt->hw_status_tail = phys_status_start;
5245}
5246
5247/****************************************************************************/
5248/* */
5249/* Routine Name: ips_statinit_memio */
5250/* */
5251/* Routine Description: */
5252/* */
5253/* Initialize the status queues on the controller */
5254/* */
5255/****************************************************************************/
5256static void
5257ips_statinit_memio(ips_ha_t * ha)
5258{
5259 uint32_t phys_status_start;
5260
5261 METHOD_TRACE("ips_statinit_memio", 1);
5262
5263 ha->adapt->p_status_start = ha->adapt->status;
5264 ha->adapt->p_status_end = ha->adapt->status + IPS_MAX_CMDS;
5265 ha->adapt->p_status_tail = ha->adapt->status;
5266
5267 phys_status_start = ha->adapt->hw_status_start;
5268 writel(phys_status_start, ha->mem_ptr + IPS_REG_SQSR);
5269 writel(phys_status_start + IPS_STATUS_Q_SIZE,
5270 ha->mem_ptr + IPS_REG_SQER);
5271 writel(phys_status_start + IPS_STATUS_SIZE, ha->mem_ptr + IPS_REG_SQHR);
5272 writel(phys_status_start, ha->mem_ptr + IPS_REG_SQTR);
5273
5274 ha->adapt->hw_status_tail = phys_status_start;
5275}
5276
5277/****************************************************************************/
5278/* */
5279/* Routine Name: ips_statupd_copperhead */
5280/* */
5281/* Routine Description: */
5282/* */
5283/* Remove an element from the status queue */
5284/* */
5285/****************************************************************************/
5286static uint32_t
5287ips_statupd_copperhead(ips_ha_t * ha)
5288{
5289 METHOD_TRACE("ips_statupd_copperhead", 1);
5290
5291 if (ha->adapt->p_status_tail != ha->adapt->p_status_end) {
5292 ha->adapt->p_status_tail++;
5293 ha->adapt->hw_status_tail += sizeof (IPS_STATUS);
5294 } else {
5295 ha->adapt->p_status_tail = ha->adapt->p_status_start;
5296 ha->adapt->hw_status_tail = ha->adapt->hw_status_start;
5297 }
5298
5299 outl(ha->adapt->hw_status_tail,
5300 ha->io_addr + IPS_REG_SQTR);
5301
5302 return (ha->adapt->p_status_tail->value);
5303}
5304
5305/****************************************************************************/
5306/* */
5307/* Routine Name: ips_statupd_copperhead_memio */
5308/* */
5309/* Routine Description: */
5310/* */
5311/* Remove an element from the status queue */
5312/* */
5313/****************************************************************************/
5314static uint32_t
5315ips_statupd_copperhead_memio(ips_ha_t * ha)
5316{
5317 METHOD_TRACE("ips_statupd_copperhead_memio", 1);
5318
5319 if (ha->adapt->p_status_tail != ha->adapt->p_status_end) {
5320 ha->adapt->p_status_tail++;
5321 ha->adapt->hw_status_tail += sizeof (IPS_STATUS);
5322 } else {
5323 ha->adapt->p_status_tail = ha->adapt->p_status_start;
5324 ha->adapt->hw_status_tail = ha->adapt->hw_status_start;
5325 }
5326
5327 writel(ha->adapt->hw_status_tail, ha->mem_ptr + IPS_REG_SQTR);
5328
5329 return (ha->adapt->p_status_tail->value);
5330}
5331
5332/****************************************************************************/
5333/* */
5334/* Routine Name: ips_statupd_morpheus */
5335/* */
5336/* Routine Description: */
5337/* */
5338/* Remove an element from the status queue */
5339/* */
5340/****************************************************************************/
5341static uint32_t
5342ips_statupd_morpheus(ips_ha_t * ha)
5343{
5344 uint32_t val;
5345
5346 METHOD_TRACE("ips_statupd_morpheus", 1);
5347
5348 val = readl(ha->mem_ptr + IPS_REG_I2O_OUTMSGQ);
5349
5350 return (val);
5351}
5352
5353/****************************************************************************/
5354/* */
5355/* Routine Name: ips_issue_copperhead */
5356/* */
5357/* Routine Description: */
5358/* */
5359/* Send a command down to the controller */
5360/* */
5361/****************************************************************************/
5362static int
5363ips_issue_copperhead(ips_ha_t * ha, ips_scb_t * scb)
5364{
5365 uint32_t TimeOut;
5366 uint32_t val;
5367
5368 METHOD_TRACE("ips_issue_copperhead", 1);
5369
5370 if (scb->scsi_cmd) {
5371 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5372 ips_name,
5373 ha->host_num,
5374 scb->cdb[0],
5375 scb->cmd.basic_io.command_id,
5376 scb->bus, scb->target_id, scb->lun);
5377 } else {
5378 DEBUG_VAR(2, KERN_NOTICE "(%s%d) ips_issue: logical cmd id %d",
5379 ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5380 }
5381
5382 TimeOut = 0;
5383
5384 while ((val =
5385 le32_to_cpu(inl(ha->io_addr + IPS_REG_CCCR))) & IPS_BIT_SEM) {
5386 udelay(1000);
5387
5388 if (++TimeOut >= IPS_SEM_TIMEOUT) {
5389 if (!(val & IPS_BIT_START_STOP))
5390 break;
5391
5392 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5393 "ips_issue val [0x%x].\n", val);
5394 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5395 "ips_issue semaphore chk timeout.\n");
5396
5397 return (IPS_FAILURE);
5398 } /* end if */
5399 } /* end while */
5400
5401 outl(scb->scb_busaddr, ha->io_addr + IPS_REG_CCSAR);
5402 outw(IPS_BIT_START_CMD, ha->io_addr + IPS_REG_CCCR);
5403
5404 return (IPS_SUCCESS);
5405}
5406
5407/****************************************************************************/
5408/* */
5409/* Routine Name: ips_issue_copperhead_memio */
5410/* */
5411/* Routine Description: */
5412/* */
5413/* Send a command down to the controller */
5414/* */
5415/****************************************************************************/
5416static int
5417ips_issue_copperhead_memio(ips_ha_t * ha, ips_scb_t * scb)
5418{
5419 uint32_t TimeOut;
5420 uint32_t val;
5421
5422 METHOD_TRACE("ips_issue_copperhead_memio", 1);
5423
5424 if (scb->scsi_cmd) {
5425 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5426 ips_name,
5427 ha->host_num,
5428 scb->cdb[0],
5429 scb->cmd.basic_io.command_id,
5430 scb->bus, scb->target_id, scb->lun);
5431 } else {
5432 DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d",
5433 ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5434 }
5435
5436 TimeOut = 0;
5437
5438 while ((val = readl(ha->mem_ptr + IPS_REG_CCCR)) & IPS_BIT_SEM) {
5439 udelay(1000);
5440
5441 if (++TimeOut >= IPS_SEM_TIMEOUT) {
5442 if (!(val & IPS_BIT_START_STOP))
5443 break;
5444
5445 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5446 "ips_issue val [0x%x].\n", val);
5447 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5448 "ips_issue semaphore chk timeout.\n");
5449
5450 return (IPS_FAILURE);
5451 } /* end if */
5452 } /* end while */
5453
5454 writel(scb->scb_busaddr, ha->mem_ptr + IPS_REG_CCSAR);
5455 writel(IPS_BIT_START_CMD, ha->mem_ptr + IPS_REG_CCCR);
5456
5457 return (IPS_SUCCESS);
5458}
5459
5460/****************************************************************************/
5461/* */
5462/* Routine Name: ips_issue_i2o */
5463/* */
5464/* Routine Description: */
5465/* */
5466/* Send a command down to the controller */
5467/* */
5468/****************************************************************************/
5469static int
5470ips_issue_i2o(ips_ha_t * ha, ips_scb_t * scb)
5471{
5472
5473 METHOD_TRACE("ips_issue_i2o", 1);
5474
5475 if (scb->scsi_cmd) {
5476 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5477 ips_name,
5478 ha->host_num,
5479 scb->cdb[0],
5480 scb->cmd.basic_io.command_id,
5481 scb->bus, scb->target_id, scb->lun);
5482 } else {
5483 DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d",
5484 ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5485 }
5486
5487 outl(scb->scb_busaddr, ha->io_addr + IPS_REG_I2O_INMSGQ);
5488
5489 return (IPS_SUCCESS);
5490}
5491
5492/****************************************************************************/
5493/* */
5494/* Routine Name: ips_issue_i2o_memio */
5495/* */
5496/* Routine Description: */
5497/* */
5498/* Send a command down to the controller */
5499/* */
5500/****************************************************************************/
5501static int
5502ips_issue_i2o_memio(ips_ha_t * ha, ips_scb_t * scb)
5503{
5504
5505 METHOD_TRACE("ips_issue_i2o_memio", 1);
5506
5507 if (scb->scsi_cmd) {
5508 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5509 ips_name,
5510 ha->host_num,
5511 scb->cdb[0],
5512 scb->cmd.basic_io.command_id,
5513 scb->bus, scb->target_id, scb->lun);
5514 } else {
5515 DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d",
5516 ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5517 }
5518
5519 writel(scb->scb_busaddr, ha->mem_ptr + IPS_REG_I2O_INMSGQ);
5520
5521 return (IPS_SUCCESS);
5522}
5523
5524/****************************************************************************/
5525/* */
5526/* Routine Name: ips_isintr_copperhead */
5527/* */
5528/* Routine Description: */
5529/* */
5530/* Test to see if an interrupt is for us */
5531/* */
5532/****************************************************************************/
5533static int
5534ips_isintr_copperhead(ips_ha_t * ha)
5535{
5536 uint8_t Isr;
5537
5538 METHOD_TRACE("ips_isintr_copperhead", 2);
5539
5540 Isr = inb(ha->io_addr + IPS_REG_HISR);
5541
5542 if (Isr == 0xFF)
5543 /* ?!?! Nothing really there */
5544 return (0);
5545
5546 if (Isr & IPS_BIT_SCE)
5547 return (1);
5548 else if (Isr & (IPS_BIT_SQO | IPS_BIT_GHI)) {
5549 /* status queue overflow or GHI */
5550 /* just clear the interrupt */
5551 outb(Isr, ha->io_addr + IPS_REG_HISR);
5552 }
5553
5554 return (0);
5555}
5556
5557/****************************************************************************/
5558/* */
5559/* Routine Name: ips_isintr_copperhead_memio */
5560/* */
5561/* Routine Description: */
5562/* */
5563/* Test to see if an interrupt is for us */
5564/* */
5565/****************************************************************************/
5566static int
5567ips_isintr_copperhead_memio(ips_ha_t * ha)
5568{
5569 uint8_t Isr;
5570
5571 METHOD_TRACE("ips_isintr_memio", 2);
5572
5573 Isr = readb(ha->mem_ptr + IPS_REG_HISR);
5574
5575 if (Isr == 0xFF)
5576 /* ?!?! Nothing really there */
5577 return (0);
5578
5579 if (Isr & IPS_BIT_SCE)
5580 return (1);
5581 else if (Isr & (IPS_BIT_SQO | IPS_BIT_GHI)) {
5582 /* status queue overflow or GHI */
5583 /* just clear the interrupt */
5584 writeb(Isr, ha->mem_ptr + IPS_REG_HISR);
5585 }
5586
5587 return (0);
5588}
5589
5590/****************************************************************************/
5591/* */
5592/* Routine Name: ips_isintr_morpheus */
5593/* */
5594/* Routine Description: */
5595/* */
5596/* Test to see if an interrupt is for us */
5597/* */
5598/****************************************************************************/
5599static int
5600ips_isintr_morpheus(ips_ha_t * ha)
5601{
5602 uint32_t Isr;
5603
5604 METHOD_TRACE("ips_isintr_morpheus", 2);
5605
5606 Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
5607
5608 if (Isr & IPS_BIT_I2O_OPQI)
5609 return (1);
5610 else
5611 return (0);
5612}
5613
5614/****************************************************************************/
5615/* */
5616/* Routine Name: ips_wait */
5617/* */
5618/* Routine Description: */
5619/* */
5620/* Wait for a command to complete */
5621/* */
5622/****************************************************************************/
5623static int
5624ips_wait(ips_ha_t * ha, int time, int intr)
5625{
5626 int ret;
5627 int done;
5628
5629 METHOD_TRACE("ips_wait", 1);
5630
5631 ret = IPS_FAILURE;
5632 done = FALSE;
5633
5634 time *= IPS_ONE_SEC; /* convert seconds */
5635
5636 while ((time > 0) && (!done)) {
5637 if (intr == IPS_INTR_ON) {
5638 if (ha->waitflag == FALSE) {
5639 ret = IPS_SUCCESS;
5640 done = TRUE;
5641 break;
5642 }
5643 } else if (intr == IPS_INTR_IORL) {
5644 if (ha->waitflag == FALSE) {
5645 /*
5646 * controller generated an interrupt to
5647 * acknowledge completion of the command
5648 * and ips_intr() has serviced the interrupt.
5649 */
5650 ret = IPS_SUCCESS;
5651 done = TRUE;
5652 break;
5653 }
5654
5655 /*
5656 * NOTE: we already have the io_request_lock so
5657 * even if we get an interrupt it won't get serviced
5658 * until after we finish.
5659 */
5660
5661 (*ha->func.intr) (ha);
5662 }
5663
5664 /* This looks like a very evil loop, but it only does this during start-up */
5665 udelay(1000);
5666 time--;
5667 }
5668
5669 return (ret);
5670}
5671
5672/****************************************************************************/
5673/* */
5674/* Routine Name: ips_write_driver_status */
5675/* */
5676/* Routine Description: */
5677/* */
5678/* Write OS/Driver version to Page 5 of the nvram on the controller */
5679/* */
5680/****************************************************************************/
5681static int
5682ips_write_driver_status(ips_ha_t * ha, int intr)
5683{
5684 METHOD_TRACE("ips_write_driver_status", 1);
5685
5686 if (!ips_readwrite_page5(ha, FALSE, intr)) {
5687 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5688 "unable to read NVRAM page 5.\n");
5689
5690 return (0);
5691 }
5692
5693 /* check to make sure the page has a valid */
5694 /* signature */
5695 if (le32_to_cpu(ha->nvram->signature) != IPS_NVRAM_P5_SIG) {
5696 DEBUG_VAR(1,
5697 "(%s%d) NVRAM page 5 has an invalid signature: %X.",
5698 ips_name, ha->host_num, ha->nvram->signature);
5699 ha->nvram->signature = IPS_NVRAM_P5_SIG;
5700 }
5701
5702 DEBUG_VAR(2,
5703 "(%s%d) Ad Type: %d, Ad Slot: %d, BIOS: %c%c%c%c %c%c%c%c.",
5704 ips_name, ha->host_num, le16_to_cpu(ha->nvram->adapter_type),
5705 ha->nvram->adapter_slot, ha->nvram->bios_high[0],
5706 ha->nvram->bios_high[1], ha->nvram->bios_high[2],
5707 ha->nvram->bios_high[3], ha->nvram->bios_low[0],
5708 ha->nvram->bios_low[1], ha->nvram->bios_low[2],
5709 ha->nvram->bios_low[3]);
5710
5711 ips_get_bios_version(ha, intr);
5712
5713 /* change values (as needed) */
5714 ha->nvram->operating_system = IPS_OS_LINUX;
5715 ha->nvram->adapter_type = ha->ad_type;
5716 strncpy((char *) ha->nvram->driver_high, IPS_VERSION_HIGH, 4);
5717 strncpy((char *) ha->nvram->driver_low, IPS_VERSION_LOW, 4);
5718 strncpy((char *) ha->nvram->bios_high, ha->bios_version, 4);
5719 strncpy((char *) ha->nvram->bios_low, ha->bios_version + 4, 4);
5720
5721 ha->nvram->versioning = 0; /* Indicate the Driver Does Not Support Versioning */
5722
5723 /* now update the page */
5724 if (!ips_readwrite_page5(ha, TRUE, intr)) {
5725 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5726 "unable to write NVRAM page 5.\n");
5727
5728 return (0);
5729 }
5730
5731 /* IF NVRAM Page 5 is OK, Use it for Slot Number Info Because Linux Doesn't Do Slots */
5732 ha->slot_num = ha->nvram->adapter_slot;
5733
5734 return (1);
5735}
5736
5737/****************************************************************************/
5738/* */
5739/* Routine Name: ips_read_adapter_status */
5740/* */
5741/* Routine Description: */
5742/* */
5743/* Do an Inquiry command to the adapter */
5744/* */
5745/****************************************************************************/
5746static int
5747ips_read_adapter_status(ips_ha_t * ha, int intr)
5748{
5749 ips_scb_t *scb;
5750 int ret;
5751
5752 METHOD_TRACE("ips_read_adapter_status", 1);
5753
5754 scb = &ha->scbs[ha->max_cmds - 1];
5755
5756 ips_init_scb(ha, scb);
5757
5758 scb->timeout = ips_cmd_timeout;
5759 scb->cdb[0] = IPS_CMD_ENQUIRY;
5760
5761 scb->cmd.basic_io.op_code = IPS_CMD_ENQUIRY;
5762 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
5763 scb->cmd.basic_io.sg_count = 0;
5764 scb->cmd.basic_io.lba = 0;
5765 scb->cmd.basic_io.sector_count = 0;
5766 scb->cmd.basic_io.log_drv = 0;
5767 scb->data_len = sizeof (*ha->enq);
5768 scb->cmd.basic_io.sg_addr = ha->enq_busaddr;
5769
5770 /* send command */
5771 if (((ret =
5772 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5773 || (ret == IPS_SUCCESS_IMM)
5774 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5775 return (0);
5776
5777 return (1);
5778}
5779
5780/****************************************************************************/
5781/* */
5782/* Routine Name: ips_read_subsystem_parameters */
5783/* */
5784/* Routine Description: */
5785/* */
5786/* Read subsystem parameters from the adapter */
5787/* */
5788/****************************************************************************/
5789static int
5790ips_read_subsystem_parameters(ips_ha_t * ha, int intr)
5791{
5792 ips_scb_t *scb;
5793 int ret;
5794
5795 METHOD_TRACE("ips_read_subsystem_parameters", 1);
5796
5797 scb = &ha->scbs[ha->max_cmds - 1];
5798
5799 ips_init_scb(ha, scb);
5800
5801 scb->timeout = ips_cmd_timeout;
5802 scb->cdb[0] = IPS_CMD_GET_SUBSYS;
5803
5804 scb->cmd.basic_io.op_code = IPS_CMD_GET_SUBSYS;
5805 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
5806 scb->cmd.basic_io.sg_count = 0;
5807 scb->cmd.basic_io.lba = 0;
5808 scb->cmd.basic_io.sector_count = 0;
5809 scb->cmd.basic_io.log_drv = 0;
5810 scb->data_len = sizeof (*ha->subsys);
5811 scb->cmd.basic_io.sg_addr = ha->ioctl_busaddr;
5812
5813 /* send command */
5814 if (((ret =
5815 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5816 || (ret == IPS_SUCCESS_IMM)
5817 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5818 return (0);
5819
5820 memcpy(ha->subsys, ha->ioctl_data, sizeof(*ha->subsys));
5821 return (1);
5822}
5823
5824/****************************************************************************/
5825/* */
5826/* Routine Name: ips_read_config */
5827/* */
5828/* Routine Description: */
5829/* */
5830/* Read the configuration on the adapter */
5831/* */
5832/****************************************************************************/
5833static int
5834ips_read_config(ips_ha_t * ha, int intr)
5835{
5836 ips_scb_t *scb;
5837 int i;
5838 int ret;
5839
5840 METHOD_TRACE("ips_read_config", 1);
5841
5842 /* set defaults for initiator IDs */
5843 for (i = 0; i < 4; i++)
5844 ha->conf->init_id[i] = 7;
5845
5846 scb = &ha->scbs[ha->max_cmds - 1];
5847
5848 ips_init_scb(ha, scb);
5849
5850 scb->timeout = ips_cmd_timeout;
5851 scb->cdb[0] = IPS_CMD_READ_CONF;
5852
5853 scb->cmd.basic_io.op_code = IPS_CMD_READ_CONF;
5854 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
5855 scb->data_len = sizeof (*ha->conf);
5856 scb->cmd.basic_io.sg_addr = ha->ioctl_busaddr;
5857
5858 /* send command */
5859 if (((ret =
5860 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5861 || (ret == IPS_SUCCESS_IMM)
5862 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) {
5863
5864 memset(ha->conf, 0, sizeof (IPS_CONF));
5865
5866 /* reset initiator IDs */
5867 for (i = 0; i < 4; i++)
5868 ha->conf->init_id[i] = 7;
5869
5870 /* Allow Completed with Errors, so JCRM can access the Adapter to fix the problems */
5871 if ((scb->basic_status & IPS_GSC_STATUS_MASK) ==
5872 IPS_CMD_CMPLT_WERROR)
5873 return (1);
5874
5875 return (0);
5876 }
5877
5878 memcpy(ha->conf, ha->ioctl_data, sizeof(*ha->conf));
5879 return (1);
5880}
5881
5882/****************************************************************************/
5883/* */
5884/* Routine Name: ips_readwrite_page5 */
5885/* */
5886/* Routine Description: */
5887/* */
5888/* Read nvram page 5 from the adapter */
5889/* */
5890/****************************************************************************/
5891static int
5892ips_readwrite_page5(ips_ha_t * ha, int write, int intr)
5893{
5894 ips_scb_t *scb;
5895 int ret;
5896
5897 METHOD_TRACE("ips_readwrite_page5", 1);
5898
5899 scb = &ha->scbs[ha->max_cmds - 1];
5900
5901 ips_init_scb(ha, scb);
5902
5903 scb->timeout = ips_cmd_timeout;
5904 scb->cdb[0] = IPS_CMD_RW_NVRAM_PAGE;
5905
5906 scb->cmd.nvram.op_code = IPS_CMD_RW_NVRAM_PAGE;
5907 scb->cmd.nvram.command_id = IPS_COMMAND_ID(ha, scb);
5908 scb->cmd.nvram.page = 5;
5909 scb->cmd.nvram.write = write;
5910 scb->cmd.nvram.reserved = 0;
5911 scb->cmd.nvram.reserved2 = 0;
5912 scb->data_len = sizeof (*ha->nvram);
5913 scb->cmd.nvram.buffer_addr = ha->ioctl_busaddr;
5914 if (write)
5915 memcpy(ha->ioctl_data, ha->nvram, sizeof(*ha->nvram));
5916
5917 /* issue the command */
5918 if (((ret =
5919 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5920 || (ret == IPS_SUCCESS_IMM)
5921 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) {
5922
5923 memset(ha->nvram, 0, sizeof (IPS_NVRAM_P5));
5924
5925 return (0);
5926 }
5927 if (!write)
5928 memcpy(ha->nvram, ha->ioctl_data, sizeof(*ha->nvram));
5929 return (1);
5930}
5931
5932/****************************************************************************/
5933/* */
5934/* Routine Name: ips_clear_adapter */
5935/* */
5936/* Routine Description: */
5937/* */
5938/* Clear the stripe lock tables */
5939/* */
5940/****************************************************************************/
5941static int
5942ips_clear_adapter(ips_ha_t * ha, int intr)
5943{
5944 ips_scb_t *scb;
5945 int ret;
5946
5947 METHOD_TRACE("ips_clear_adapter", 1);
5948
5949 scb = &ha->scbs[ha->max_cmds - 1];
5950
5951 ips_init_scb(ha, scb);
5952
5953 scb->timeout = ips_reset_timeout;
5954 scb->cdb[0] = IPS_CMD_CONFIG_SYNC;
5955
5956 scb->cmd.config_sync.op_code = IPS_CMD_CONFIG_SYNC;
5957 scb->cmd.config_sync.command_id = IPS_COMMAND_ID(ha, scb);
5958 scb->cmd.config_sync.channel = 0;
5959 scb->cmd.config_sync.source_target = IPS_POCL;
5960 scb->cmd.config_sync.reserved = 0;
5961 scb->cmd.config_sync.reserved2 = 0;
5962 scb->cmd.config_sync.reserved3 = 0;
5963
5964 /* issue command */
5965 if (((ret =
5966 ips_send_wait(ha, scb, ips_reset_timeout, intr)) == IPS_FAILURE)
5967 || (ret == IPS_SUCCESS_IMM)
5968 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5969 return (0);
5970
5971 /* send unlock stripe command */
5972 ips_init_scb(ha, scb);
5973
5974 scb->cdb[0] = IPS_CMD_ERROR_TABLE;
5975 scb->timeout = ips_reset_timeout;
5976
5977 scb->cmd.unlock_stripe.op_code = IPS_CMD_ERROR_TABLE;
5978 scb->cmd.unlock_stripe.command_id = IPS_COMMAND_ID(ha, scb);
5979 scb->cmd.unlock_stripe.log_drv = 0;
5980 scb->cmd.unlock_stripe.control = IPS_CSL;
5981 scb->cmd.unlock_stripe.reserved = 0;
5982 scb->cmd.unlock_stripe.reserved2 = 0;
5983 scb->cmd.unlock_stripe.reserved3 = 0;
5984
5985 /* issue command */
5986 if (((ret =
5987 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5988 || (ret == IPS_SUCCESS_IMM)
5989 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5990 return (0);
5991
5992 return (1);
5993}
5994
5995/****************************************************************************/
5996/* */
5997/* Routine Name: ips_ffdc_reset */
5998/* */
5999/* Routine Description: */
6000/* */
6001/* FFDC: write reset info */
6002/* */
6003/****************************************************************************/
6004static void
6005ips_ffdc_reset(ips_ha_t * ha, int intr)
6006{
6007 ips_scb_t *scb;
6008
6009 METHOD_TRACE("ips_ffdc_reset", 1);
6010
6011 scb = &ha->scbs[ha->max_cmds - 1];
6012
6013 ips_init_scb(ha, scb);
6014
6015 scb->timeout = ips_cmd_timeout;
6016 scb->cdb[0] = IPS_CMD_FFDC;
6017 scb->cmd.ffdc.op_code = IPS_CMD_FFDC;
6018 scb->cmd.ffdc.command_id = IPS_COMMAND_ID(ha, scb);
6019 scb->cmd.ffdc.reset_count = ha->reset_count;
6020 scb->cmd.ffdc.reset_type = 0x80;
6021
6022 /* convert time to what the card wants */
6023 ips_fix_ffdc_time(ha, scb, ha->last_ffdc);
6024
6025 /* issue command */
6026 ips_send_wait(ha, scb, ips_cmd_timeout, intr);
6027}
6028
6029/****************************************************************************/
6030/* */
6031/* Routine Name: ips_ffdc_time */
6032/* */
6033/* Routine Description: */
6034/* */
6035/* FFDC: write time info */
6036/* */
6037/****************************************************************************/
6038static void
6039ips_ffdc_time(ips_ha_t * ha)
6040{
6041 ips_scb_t *scb;
6042
6043 METHOD_TRACE("ips_ffdc_time", 1);
6044
6045 DEBUG_VAR(1, "(%s%d) Sending time update.", ips_name, ha->host_num);
6046
6047 scb = &ha->scbs[ha->max_cmds - 1];
6048
6049 ips_init_scb(ha, scb);
6050
6051 scb->timeout = ips_cmd_timeout;
6052 scb->cdb[0] = IPS_CMD_FFDC;
6053 scb->cmd.ffdc.op_code = IPS_CMD_FFDC;
6054 scb->cmd.ffdc.command_id = IPS_COMMAND_ID(ha, scb);
6055 scb->cmd.ffdc.reset_count = 0;
6056 scb->cmd.ffdc.reset_type = 0;
6057
6058 /* convert time to what the card wants */
6059 ips_fix_ffdc_time(ha, scb, ha->last_ffdc);
6060
6061 /* issue command */
6062 ips_send_wait(ha, scb, ips_cmd_timeout, IPS_FFDC);
6063}
6064
6065/****************************************************************************/
6066/* */
6067/* Routine Name: ips_fix_ffdc_time */
6068/* */
6069/* Routine Description: */
6070/* Adjust time_t to what the card wants */
6071/* */
6072/****************************************************************************/
6073static void
6074ips_fix_ffdc_time(ips_ha_t * ha, ips_scb_t * scb, time_t current_time)
6075{
6076 long days;
6077 long rem;
6078 int i;
6079 int year;
6080 int yleap;
6081 int year_lengths[2] = { IPS_DAYS_NORMAL_YEAR, IPS_DAYS_LEAP_YEAR };
6082 int month_lengths[12][2] = { {31, 31},
6083 {28, 29},
6084 {31, 31},
6085 {30, 30},
6086 {31, 31},
6087 {30, 30},
6088 {31, 31},
6089 {31, 31},
6090 {30, 30},
6091 {31, 31},
6092 {30, 30},
6093 {31, 31}
6094 };
6095
6096 METHOD_TRACE("ips_fix_ffdc_time", 1);
6097
6098 days = current_time / IPS_SECS_DAY;
6099 rem = current_time % IPS_SECS_DAY;
6100
6101 scb->cmd.ffdc.hour = (rem / IPS_SECS_HOUR);
6102 rem = rem % IPS_SECS_HOUR;
6103 scb->cmd.ffdc.minute = (rem / IPS_SECS_MIN);
6104 scb->cmd.ffdc.second = (rem % IPS_SECS_MIN);
6105
6106 year = IPS_EPOCH_YEAR;
6107 while (days < 0 || days >= year_lengths[yleap = IPS_IS_LEAP_YEAR(year)]) {
6108 int newy;
6109
6110 newy = year + (days / IPS_DAYS_NORMAL_YEAR);
6111 if (days < 0)
6112 --newy;
6113 days -= (newy - year) * IPS_DAYS_NORMAL_YEAR +
6114 IPS_NUM_LEAP_YEARS_THROUGH(newy - 1) -
6115 IPS_NUM_LEAP_YEARS_THROUGH(year - 1);
6116 year = newy;
6117 }
6118
6119 scb->cmd.ffdc.yearH = year / 100;
6120 scb->cmd.ffdc.yearL = year % 100;
6121
6122 for (i = 0; days >= month_lengths[i][yleap]; ++i)
6123 days -= month_lengths[i][yleap];
6124
6125 scb->cmd.ffdc.month = i + 1;
6126 scb->cmd.ffdc.day = days + 1;
6127}
6128
6129/****************************************************************************
6130 * BIOS Flash Routines *
6131 ****************************************************************************/
6132
6133/****************************************************************************/
6134/* */
6135/* Routine Name: ips_erase_bios */
6136/* */
6137/* Routine Description: */
6138/* Erase the BIOS on the adapter */
6139/* */
6140/****************************************************************************/
6141static int
6142ips_erase_bios(ips_ha_t * ha)
6143{
6144 int timeout;
6145 uint8_t status = 0;
6146
6147 METHOD_TRACE("ips_erase_bios", 1);
6148
6149 status = 0;
6150
6151 /* Clear the status register */
6152 outl(0, ha->io_addr + IPS_REG_FLAP);
6153 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6154 udelay(25); /* 25 us */
6155
6156 outb(0x50, ha->io_addr + IPS_REG_FLDP);
6157 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6158 udelay(25); /* 25 us */
6159
6160 /* Erase Setup */
6161 outb(0x20, ha->io_addr + IPS_REG_FLDP);
6162 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6163 udelay(25); /* 25 us */
6164
6165 /* Erase Confirm */
6166 outb(0xD0, ha->io_addr + IPS_REG_FLDP);
6167 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6168 udelay(25); /* 25 us */
6169
6170 /* Erase Status */
6171 outb(0x70, ha->io_addr + IPS_REG_FLDP);
6172 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6173 udelay(25); /* 25 us */
6174
6175 timeout = 80000; /* 80 seconds */
6176
6177 while (timeout > 0) {
6178 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6179 outl(0, ha->io_addr + IPS_REG_FLAP);
6180 udelay(25); /* 25 us */
6181 }
6182
6183 status = inb(ha->io_addr + IPS_REG_FLDP);
6184
6185 if (status & 0x80)
6186 break;
6187
6188 MDELAY(1);
6189 timeout--;
6190 }
6191
6192 /* check for timeout */
6193 if (timeout <= 0) {
6194 /* timeout */
6195
6196 /* try to suspend the erase */
6197 outb(0xB0, ha->io_addr + IPS_REG_FLDP);
6198 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6199 udelay(25); /* 25 us */
6200
6201 /* wait for 10 seconds */
6202 timeout = 10000;
6203 while (timeout > 0) {
6204 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6205 outl(0, ha->io_addr + IPS_REG_FLAP);
6206 udelay(25); /* 25 us */
6207 }
6208
6209 status = inb(ha->io_addr + IPS_REG_FLDP);
6210
6211 if (status & 0xC0)
6212 break;
6213
6214 MDELAY(1);
6215 timeout--;
6216 }
6217
6218 return (1);
6219 }
6220
6221 /* check for valid VPP */
6222 if (status & 0x08)
6223 /* VPP failure */
6224 return (1);
6225
6226 /* check for successful flash */
6227 if (status & 0x30)
6228 /* sequence error */
6229 return (1);
6230
6231 /* Otherwise, we were successful */
6232 /* clear status */
6233 outb(0x50, ha->io_addr + IPS_REG_FLDP);
6234 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6235 udelay(25); /* 25 us */
6236
6237 /* enable reads */
6238 outb(0xFF, ha->io_addr + IPS_REG_FLDP);
6239 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6240 udelay(25); /* 25 us */
6241
6242 return (0);
6243}
6244
6245/****************************************************************************/
6246/* */
6247/* Routine Name: ips_erase_bios_memio */
6248/* */
6249/* Routine Description: */
6250/* Erase the BIOS on the adapter */
6251/* */
6252/****************************************************************************/
6253static int
6254ips_erase_bios_memio(ips_ha_t * ha)
6255{
6256 int timeout;
6257 uint8_t status;
6258
6259 METHOD_TRACE("ips_erase_bios_memio", 1);
6260
6261 status = 0;
6262
6263 /* Clear the status register */
6264 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6265 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6266 udelay(25); /* 25 us */
6267
6268 writeb(0x50, ha->mem_ptr + IPS_REG_FLDP);
6269 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6270 udelay(25); /* 25 us */
6271
6272 /* Erase Setup */
6273 writeb(0x20, ha->mem_ptr + IPS_REG_FLDP);
6274 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6275 udelay(25); /* 25 us */
6276
6277 /* Erase Confirm */
6278 writeb(0xD0, ha->mem_ptr + IPS_REG_FLDP);
6279 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6280 udelay(25); /* 25 us */
6281
6282 /* Erase Status */
6283 writeb(0x70, ha->mem_ptr + IPS_REG_FLDP);
6284 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6285 udelay(25); /* 25 us */
6286
6287 timeout = 80000; /* 80 seconds */
6288
6289 while (timeout > 0) {
6290 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6291 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6292 udelay(25); /* 25 us */
6293 }
6294
6295 status = readb(ha->mem_ptr + IPS_REG_FLDP);
6296
6297 if (status & 0x80)
6298 break;
6299
6300 MDELAY(1);
6301 timeout--;
6302 }
6303
6304 /* check for timeout */
6305 if (timeout <= 0) {
6306 /* timeout */
6307
6308 /* try to suspend the erase */
6309 writeb(0xB0, ha->mem_ptr + IPS_REG_FLDP);
6310 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6311 udelay(25); /* 25 us */
6312
6313 /* wait for 10 seconds */
6314 timeout = 10000;
6315 while (timeout > 0) {
6316 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6317 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6318 udelay(25); /* 25 us */
6319 }
6320
6321 status = readb(ha->mem_ptr + IPS_REG_FLDP);
6322
6323 if (status & 0xC0)
6324 break;
6325
6326 MDELAY(1);
6327 timeout--;
6328 }
6329
6330 return (1);
6331 }
6332
6333 /* check for valid VPP */
6334 if (status & 0x08)
6335 /* VPP failure */
6336 return (1);
6337
6338 /* check for successful flash */
6339 if (status & 0x30)
6340 /* sequence error */
6341 return (1);
6342
6343 /* Otherwise, we were successful */
6344 /* clear status */
6345 writeb(0x50, ha->mem_ptr + IPS_REG_FLDP);
6346 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6347 udelay(25); /* 25 us */
6348
6349 /* enable reads */
6350 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
6351 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6352 udelay(25); /* 25 us */
6353
6354 return (0);
6355}
6356
6357/****************************************************************************/
6358/* */
6359/* Routine Name: ips_program_bios */
6360/* */
6361/* Routine Description: */
6362/* Program the BIOS on the adapter */
6363/* */
6364/****************************************************************************/
6365static int
6366ips_program_bios(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6367 uint32_t offset)
6368{
6369 int i;
6370 int timeout;
6371 uint8_t status = 0;
6372
6373 METHOD_TRACE("ips_program_bios", 1);
6374
6375 status = 0;
6376
6377 for (i = 0; i < buffersize; i++) {
6378 /* write a byte */
6379 outl(i + offset, ha->io_addr + IPS_REG_FLAP);
6380 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6381 udelay(25); /* 25 us */
6382
6383 outb(0x40, ha->io_addr + IPS_REG_FLDP);
6384 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6385 udelay(25); /* 25 us */
6386
6387 outb(buffer[i], ha->io_addr + IPS_REG_FLDP);
6388 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6389 udelay(25); /* 25 us */
6390
6391 /* wait up to one second */
6392 timeout = 1000;
6393 while (timeout > 0) {
6394 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6395 outl(0, ha->io_addr + IPS_REG_FLAP);
6396 udelay(25); /* 25 us */
6397 }
6398
6399 status = inb(ha->io_addr + IPS_REG_FLDP);
6400
6401 if (status & 0x80)
6402 break;
6403
6404 MDELAY(1);
6405 timeout--;
6406 }
6407
6408 if (timeout == 0) {
6409 /* timeout error */
6410 outl(0, ha->io_addr + IPS_REG_FLAP);
6411 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6412 udelay(25); /* 25 us */
6413
6414 outb(0xFF, ha->io_addr + IPS_REG_FLDP);
6415 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6416 udelay(25); /* 25 us */
6417
6418 return (1);
6419 }
6420
6421 /* check the status */
6422 if (status & 0x18) {
6423 /* programming error */
6424 outl(0, ha->io_addr + IPS_REG_FLAP);
6425 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6426 udelay(25); /* 25 us */
6427
6428 outb(0xFF, ha->io_addr + IPS_REG_FLDP);
6429 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6430 udelay(25); /* 25 us */
6431
6432 return (1);
6433 }
6434 } /* end for */
6435
6436 /* Enable reading */
6437 outl(0, ha->io_addr + IPS_REG_FLAP);
6438 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6439 udelay(25); /* 25 us */
6440
6441 outb(0xFF, ha->io_addr + IPS_REG_FLDP);
6442 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6443 udelay(25); /* 25 us */
6444
6445 return (0);
6446}
6447
6448/****************************************************************************/
6449/* */
6450/* Routine Name: ips_program_bios_memio */
6451/* */
6452/* Routine Description: */
6453/* Program the BIOS on the adapter */
6454/* */
6455/****************************************************************************/
6456static int
6457ips_program_bios_memio(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6458 uint32_t offset)
6459{
6460 int i;
6461 int timeout;
6462 uint8_t status = 0;
6463
6464 METHOD_TRACE("ips_program_bios_memio", 1);
6465
6466 status = 0;
6467
6468 for (i = 0; i < buffersize; i++) {
6469 /* write a byte */
6470 writel(i + offset, ha->mem_ptr + IPS_REG_FLAP);
6471 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6472 udelay(25); /* 25 us */
6473
6474 writeb(0x40, ha->mem_ptr + IPS_REG_FLDP);
6475 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6476 udelay(25); /* 25 us */
6477
6478 writeb(buffer[i], ha->mem_ptr + IPS_REG_FLDP);
6479 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6480 udelay(25); /* 25 us */
6481
6482 /* wait up to one second */
6483 timeout = 1000;
6484 while (timeout > 0) {
6485 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6486 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6487 udelay(25); /* 25 us */
6488 }
6489
6490 status = readb(ha->mem_ptr + IPS_REG_FLDP);
6491
6492 if (status & 0x80)
6493 break;
6494
6495 MDELAY(1);
6496 timeout--;
6497 }
6498
6499 if (timeout == 0) {
6500 /* timeout error */
6501 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6502 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6503 udelay(25); /* 25 us */
6504
6505 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
6506 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6507 udelay(25); /* 25 us */
6508
6509 return (1);
6510 }
6511
6512 /* check the status */
6513 if (status & 0x18) {
6514 /* programming error */
6515 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6516 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6517 udelay(25); /* 25 us */
6518
6519 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
6520 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6521 udelay(25); /* 25 us */
6522
6523 return (1);
6524 }
6525 } /* end for */
6526
6527 /* Enable reading */
6528 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6529 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6530 udelay(25); /* 25 us */
6531
6532 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
6533 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6534 udelay(25); /* 25 us */
6535
6536 return (0);
6537}
6538
6539/****************************************************************************/
6540/* */
6541/* Routine Name: ips_verify_bios */
6542/* */
6543/* Routine Description: */
6544/* Verify the BIOS on the adapter */
6545/* */
6546/****************************************************************************/
6547static int
6548ips_verify_bios(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6549 uint32_t offset)
6550{
6551 uint8_t checksum;
6552 int i;
6553
6554 METHOD_TRACE("ips_verify_bios", 1);
6555
6556 /* test 1st byte */
6557 outl(0, ha->io_addr + IPS_REG_FLAP);
6558 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6559 udelay(25); /* 25 us */
6560
6561 if (inb(ha->io_addr + IPS_REG_FLDP) != 0x55)
6562 return (1);
6563
6564 outl(1, ha->io_addr + IPS_REG_FLAP);
6565 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6566 udelay(25); /* 25 us */
6567 if (inb(ha->io_addr + IPS_REG_FLDP) != 0xAA)
6568 return (1);
6569
6570 checksum = 0xff;
6571 for (i = 2; i < buffersize; i++) {
6572
6573 outl(i + offset, ha->io_addr + IPS_REG_FLAP);
6574 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6575 udelay(25); /* 25 us */
6576
6577 checksum = (uint8_t) checksum + inb(ha->io_addr + IPS_REG_FLDP);
6578 }
6579
6580 if (checksum != 0)
6581 /* failure */
6582 return (1);
6583 else
6584 /* success */
6585 return (0);
6586}
6587
6588/****************************************************************************/
6589/* */
6590/* Routine Name: ips_verify_bios_memio */
6591/* */
6592/* Routine Description: */
6593/* Verify the BIOS on the adapter */
6594/* */
6595/****************************************************************************/
6596static int
6597ips_verify_bios_memio(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6598 uint32_t offset)
6599{
6600 uint8_t checksum;
6601 int i;
6602
6603 METHOD_TRACE("ips_verify_bios_memio", 1);
6604
6605 /* test 1st byte */
6606 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6607 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6608 udelay(25); /* 25 us */
6609
6610 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0x55)
6611 return (1);
6612
6613 writel(1, ha->mem_ptr + IPS_REG_FLAP);
6614 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6615 udelay(25); /* 25 us */
6616 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0xAA)
6617 return (1);
6618
6619 checksum = 0xff;
6620 for (i = 2; i < buffersize; i++) {
6621
6622 writel(i + offset, ha->mem_ptr + IPS_REG_FLAP);
6623 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6624 udelay(25); /* 25 us */
6625
6626 checksum =
6627 (uint8_t) checksum + readb(ha->mem_ptr + IPS_REG_FLDP);
6628 }
6629
6630 if (checksum != 0)
6631 /* failure */
6632 return (1);
6633 else
6634 /* success */
6635 return (0);
6636}
6637
6638/****************************************************************************/
6639/* */
6640/* Routine Name: ips_abort_init */
6641/* */
6642/* Routine Description: */
6643/* cleanup routine for a failed adapter initialization */
6644/****************************************************************************/
6645static int
6646ips_abort_init(ips_ha_t * ha, int index)
6647{
6648 ha->active = 0;
6649 ips_free(ha);
6650 ips_ha[index] = NULL;
6651 ips_sh[index] = NULL;
6652 return -1;
6653}
6654
6655/****************************************************************************/
6656/* */
6657/* Routine Name: ips_shift_controllers */
6658/* */
6659/* Routine Description: */
6660/* helper function for ordering adapters */
6661/****************************************************************************/
6662static void
6663ips_shift_controllers(int lowindex, int highindex)
6664{
6665 ips_ha_t *ha_sav = ips_ha[highindex];
6666 struct Scsi_Host *sh_sav = ips_sh[highindex];
6667 int i;
6668
6669 for (i = highindex; i > lowindex; i--) {
6670 ips_ha[i] = ips_ha[i - 1];
6671 ips_sh[i] = ips_sh[i - 1];
6672 ips_ha[i]->host_num = i;
6673 }
6674 ha_sav->host_num = lowindex;
6675 ips_ha[lowindex] = ha_sav;
6676 ips_sh[lowindex] = sh_sav;
6677}
6678
6679/****************************************************************************/
6680/* */
6681/* Routine Name: ips_order_controllers */
6682/* */
6683/* Routine Description: */
6684/* place controllers is the "proper" boot order */
6685/****************************************************************************/
6686static void
6687ips_order_controllers(void)
6688{
6689 int i, j, tmp, position = 0;
6690 IPS_NVRAM_P5 *nvram;
6691 if (!ips_ha[0])
6692 return;
6693 nvram = ips_ha[0]->nvram;
6694
6695 if (nvram->adapter_order[0]) {
6696 for (i = 1; i <= nvram->adapter_order[0]; i++) {
6697 for (j = position; j < ips_num_controllers; j++) {
6698 switch (ips_ha[j]->ad_type) {
6699 case IPS_ADTYPE_SERVERAID6M:
6700 case IPS_ADTYPE_SERVERAID7M:
6701 if (nvram->adapter_order[i] == 'M') {
6702 ips_shift_controllers(position,
6703 j);
6704 position++;
6705 }
6706 break;
6707 case IPS_ADTYPE_SERVERAID4L:
6708 case IPS_ADTYPE_SERVERAID4M:
6709 case IPS_ADTYPE_SERVERAID4MX:
6710 case IPS_ADTYPE_SERVERAID4LX:
6711 if (nvram->adapter_order[i] == 'N') {
6712 ips_shift_controllers(position,
6713 j);
6714 position++;
6715 }
6716 break;
6717 case IPS_ADTYPE_SERVERAID6I:
6718 case IPS_ADTYPE_SERVERAID5I2:
6719 case IPS_ADTYPE_SERVERAID5I1:
6720 case IPS_ADTYPE_SERVERAID7k:
6721 if (nvram->adapter_order[i] == 'S') {
6722 ips_shift_controllers(position,
6723 j);
6724 position++;
6725 }
6726 break;
6727 case IPS_ADTYPE_SERVERAID:
6728 case IPS_ADTYPE_SERVERAID2:
6729 case IPS_ADTYPE_NAVAJO:
6730 case IPS_ADTYPE_KIOWA:
6731 case IPS_ADTYPE_SERVERAID3L:
6732 case IPS_ADTYPE_SERVERAID3:
6733 case IPS_ADTYPE_SERVERAID4H:
6734 if (nvram->adapter_order[i] == 'A') {
6735 ips_shift_controllers(position,
6736 j);
6737 position++;
6738 }
6739 break;
6740 default:
6741 break;
6742 }
6743 }
6744 }
6745 /* if adapter_order[0], then ordering is complete */
6746 return;
6747 }
6748 /* old bios, use older ordering */
6749 tmp = 0;
6750 for (i = position; i < ips_num_controllers; i++) {
6751 if (ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID5I2 ||
6752 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID5I1) {
6753 ips_shift_controllers(position, i);
6754 position++;
6755 tmp = 1;
6756 }
6757 }
6758 /* if there were no 5I cards, then don't do any extra ordering */
6759 if (!tmp)
6760 return;
6761 for (i = position; i < ips_num_controllers; i++) {
6762 if (ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4L ||
6763 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4M ||
6764 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4LX ||
6765 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4MX) {
6766 ips_shift_controllers(position, i);
6767 position++;
6768 }
6769 }
6770
6771 return;
6772}
6773
6774/****************************************************************************/
6775/* */
6776/* Routine Name: ips_register_scsi */
6777/* */
6778/* Routine Description: */
6779/* perform any registration and setup with the scsi layer */
6780/****************************************************************************/
6781static int
6782ips_register_scsi(int index)
6783{
6784 struct Scsi_Host *sh;
6785 ips_ha_t *ha, *oldha = ips_ha[index];
6786 sh = scsi_host_alloc(&ips_driver_template, sizeof (ips_ha_t));
6787 if (!sh) {
6788 IPS_PRINTK(KERN_WARNING, oldha->pcidev,
6789 "Unable to register controller with SCSI subsystem\n");
6790 return -1;
6791 }
6792 ha = IPS_HA(sh);
6793 memcpy(ha, oldha, sizeof (ips_ha_t));
6794 free_irq(oldha->pcidev->irq, oldha);
6795 /* Install the interrupt handler with the new ha */
6796 if (request_irq(ha->pcidev->irq, do_ipsintr, IRQF_SHARED, ips_name, ha)) {
6797 IPS_PRINTK(KERN_WARNING, ha->pcidev,
6798 "Unable to install interrupt handler\n");
6799 goto err_out_sh;
6800 }
6801
6802 kfree(oldha);
6803
6804 /* Store away needed values for later use */
6805 sh->unique_id = (ha->io_addr) ? ha->io_addr : ha->mem_addr;
6806 sh->sg_tablesize = sh->hostt->sg_tablesize;
6807 sh->can_queue = sh->hostt->can_queue;
6808 sh->cmd_per_lun = sh->hostt->cmd_per_lun;
6809 sh->use_clustering = sh->hostt->use_clustering;
6810 sh->max_sectors = 128;
6811
6812 sh->max_id = ha->ntargets;
6813 sh->max_lun = ha->nlun;
6814 sh->max_channel = ha->nbus - 1;
6815 sh->can_queue = ha->max_cmds - 1;
6816
6817 if (scsi_add_host(sh, &ha->pcidev->dev))
6818 goto err_out;
6819
6820 ips_sh[index] = sh;
6821 ips_ha[index] = ha;
6822
6823 scsi_scan_host(sh);
6824
6825 return 0;
6826
6827err_out:
6828 free_irq(ha->pcidev->irq, ha);
6829err_out_sh:
6830 scsi_host_put(sh);
6831 return -1;
6832}
6833
6834/*---------------------------------------------------------------------------*/
6835/* Routine Name: ips_remove_device */
6836/* */
6837/* Routine Description: */
6838/* Remove one Adapter ( Hot Plugging ) */
6839/*---------------------------------------------------------------------------*/
6840static void __devexit
6841ips_remove_device(struct pci_dev *pci_dev)
6842{
6843 struct Scsi_Host *sh = pci_get_drvdata(pci_dev);
6844
6845 pci_set_drvdata(pci_dev, NULL);
6846
6847 ips_release(sh);
6848
6849 pci_release_regions(pci_dev);
6850 pci_disable_device(pci_dev);
6851}
6852
6853/****************************************************************************/
6854/* */
6855/* Routine Name: ips_module_init */
6856/* */
6857/* Routine Description: */
6858/* function called on module load */
6859/****************************************************************************/
6860static int __init
6861ips_module_init(void)
6862{
6863 if (pci_register_driver(&ips_pci_driver) < 0)
6864 return -ENODEV;
6865 ips_driver_template.module = THIS_MODULE;
6866 ips_order_controllers();
6867 if (!ips_detect(&ips_driver_template)) {
6868 pci_unregister_driver(&ips_pci_driver);
6869 return -ENODEV;
6870 }
6871 register_reboot_notifier(&ips_notifier);
6872 return 0;
6873}
6874
6875/****************************************************************************/
6876/* */
6877/* Routine Name: ips_module_exit */
6878/* */
6879/* Routine Description: */
6880/* function called on module unload */
6881/****************************************************************************/
6882static void __exit
6883ips_module_exit(void)
6884{
6885 pci_unregister_driver(&ips_pci_driver);
6886 unregister_reboot_notifier(&ips_notifier);
6887}
6888
6889module_init(ips_module_init);
6890module_exit(ips_module_exit);
6891
6892/*---------------------------------------------------------------------------*/
6893/* Routine Name: ips_insert_device */
6894/* */
6895/* Routine Description: */
6896/* Add One Adapter ( Hot Plug ) */
6897/* */
6898/* Return Value: */
6899/* 0 if Successful, else non-zero */
6900/*---------------------------------------------------------------------------*/
6901static int __devinit
6902ips_insert_device(struct pci_dev *pci_dev, const struct pci_device_id *ent)
6903{
6904 int index = -1;
6905 int rc;
6906
6907 METHOD_TRACE("ips_insert_device", 1);
6908 rc = pci_enable_device(pci_dev);
6909 if (rc)
6910 return rc;
6911
6912 rc = pci_request_regions(pci_dev, "ips");
6913 if (rc)
6914 goto err_out;
6915
6916 rc = ips_init_phase1(pci_dev, &index);
6917 if (rc == SUCCESS)
6918 rc = ips_init_phase2(index);
6919
6920 if (ips_hotplug)
6921 if (ips_register_scsi(index)) {
6922 ips_free(ips_ha[index]);
6923 rc = -1;
6924 }
6925
6926 if (rc == SUCCESS)
6927 ips_num_controllers++;
6928
6929 ips_next_controller = ips_num_controllers;
6930
6931 if (rc < 0) {
6932 rc = -ENODEV;
6933 goto err_out_regions;
6934 }
6935
6936 pci_set_drvdata(pci_dev, ips_sh[index]);
6937 return 0;
6938
6939err_out_regions:
6940 pci_release_regions(pci_dev);
6941err_out:
6942 pci_disable_device(pci_dev);
6943 return rc;
6944}
6945
6946/*---------------------------------------------------------------------------*/
6947/* Routine Name: ips_init_phase1 */
6948/* */
6949/* Routine Description: */
6950/* Adapter Initialization */
6951/* */
6952/* Return Value: */
6953/* 0 if Successful, else non-zero */
6954/*---------------------------------------------------------------------------*/
6955static int
6956ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr)
6957{
6958 ips_ha_t *ha;
6959 uint32_t io_addr;
6960 uint32_t mem_addr;
6961 uint32_t io_len;
6962 uint32_t mem_len;
6963 uint8_t bus;
6964 uint8_t func;
6965 int j;
6966 int index;
6967 dma_addr_t dma_address;
6968 char __iomem *ioremap_ptr;
6969 char __iomem *mem_ptr;
6970 uint32_t IsDead;
6971
6972 METHOD_TRACE("ips_init_phase1", 1);
6973 index = IPS_MAX_ADAPTERS;
6974 for (j = 0; j < IPS_MAX_ADAPTERS; j++) {
6975 if (ips_ha[j] == NULL) {
6976 index = j;
6977 break;
6978 }
6979 }
6980
6981 if (index >= IPS_MAX_ADAPTERS)
6982 return -1;
6983
6984 /* stuff that we get in dev */
6985 bus = pci_dev->bus->number;
6986 func = pci_dev->devfn;
6987
6988 /* Init MEM/IO addresses to 0 */
6989 mem_addr = 0;
6990 io_addr = 0;
6991 mem_len = 0;
6992 io_len = 0;
6993
6994 for (j = 0; j < 2; j++) {
6995 if (!pci_resource_start(pci_dev, j))
6996 break;
6997
6998 if (pci_resource_flags(pci_dev, j) & IORESOURCE_IO) {
6999 io_addr = pci_resource_start(pci_dev, j);
7000 io_len = pci_resource_len(pci_dev, j);
7001 } else {
7002 mem_addr = pci_resource_start(pci_dev, j);
7003 mem_len = pci_resource_len(pci_dev, j);
7004 }
7005 }
7006
7007 /* setup memory mapped area (if applicable) */
7008 if (mem_addr) {
7009 uint32_t base;
7010 uint32_t offs;
7011
7012 base = mem_addr & PAGE_MASK;
7013 offs = mem_addr - base;
7014 ioremap_ptr = ioremap(base, PAGE_SIZE);
7015 if (!ioremap_ptr)
7016 return -1;
7017 mem_ptr = ioremap_ptr + offs;
7018 } else {
7019 ioremap_ptr = NULL;
7020 mem_ptr = NULL;
7021 }
7022
7023 /* found a controller */
7024 ha = kzalloc(sizeof (ips_ha_t), GFP_KERNEL);
7025 if (ha == NULL) {
7026 IPS_PRINTK(KERN_WARNING, pci_dev,
7027 "Unable to allocate temporary ha struct\n");
7028 return -1;
7029 }
7030
7031 ips_sh[index] = NULL;
7032 ips_ha[index] = ha;
7033 ha->active = 1;
7034
7035 /* Store info in HA structure */
7036 ha->io_addr = io_addr;
7037 ha->io_len = io_len;
7038 ha->mem_addr = mem_addr;
7039 ha->mem_len = mem_len;
7040 ha->mem_ptr = mem_ptr;
7041 ha->ioremap_ptr = ioremap_ptr;
7042 ha->host_num = (uint32_t) index;
7043 ha->slot_num = PCI_SLOT(pci_dev->devfn);
7044 ha->pcidev = pci_dev;
7045
7046 /*
7047 * Set the pci_dev's dma_mask. Not all adapters support 64bit
7048 * addressing so don't enable it if the adapter can't support
7049 * it! Also, don't use 64bit addressing if dma addresses
7050 * are guaranteed to be < 4G.
7051 */
7052 if (IPS_ENABLE_DMA64 && IPS_HAS_ENH_SGLIST(ha) &&
7053 !pci_set_dma_mask(ha->pcidev, DMA_BIT_MASK(64))) {
7054 (ha)->flags |= IPS_HA_ENH_SG;
7055 } else {
7056 if (pci_set_dma_mask(ha->pcidev, DMA_BIT_MASK(32)) != 0) {
7057 printk(KERN_WARNING "Unable to set DMA Mask\n");
7058 return ips_abort_init(ha, index);
7059 }
7060 }
7061 if(ips_cd_boot && !ips_FlashData){
7062 ips_FlashData = pci_alloc_consistent(pci_dev, PAGE_SIZE << 7,
7063 &ips_flashbusaddr);
7064 }
7065
7066 ha->enq = pci_alloc_consistent(pci_dev, sizeof (IPS_ENQ),
7067 &ha->enq_busaddr);
7068 if (!ha->enq) {
7069 IPS_PRINTK(KERN_WARNING, pci_dev,
7070 "Unable to allocate host inquiry structure\n");
7071 return ips_abort_init(ha, index);
7072 }
7073
7074 ha->adapt = pci_alloc_consistent(pci_dev, sizeof (IPS_ADAPTER) +
7075 sizeof (IPS_IO_CMD), &dma_address);
7076 if (!ha->adapt) {
7077 IPS_PRINTK(KERN_WARNING, pci_dev,
7078 "Unable to allocate host adapt & dummy structures\n");
7079 return ips_abort_init(ha, index);
7080 }
7081 ha->adapt->hw_status_start = dma_address;
7082 ha->dummy = (void *) (ha->adapt + 1);
7083
7084
7085
7086 ha->logical_drive_info = pci_alloc_consistent(pci_dev, sizeof (IPS_LD_INFO), &dma_address);
7087 if (!ha->logical_drive_info) {
7088 IPS_PRINTK(KERN_WARNING, pci_dev,
7089 "Unable to allocate logical drive info structure\n");
7090 return ips_abort_init(ha, index);
7091 }
7092 ha->logical_drive_info_dma_addr = dma_address;
7093
7094
7095 ha->conf = kmalloc(sizeof (IPS_CONF), GFP_KERNEL);
7096
7097 if (!ha->conf) {
7098 IPS_PRINTK(KERN_WARNING, pci_dev,
7099 "Unable to allocate host conf structure\n");
7100 return ips_abort_init(ha, index);
7101 }
7102
7103 ha->nvram = kmalloc(sizeof (IPS_NVRAM_P5), GFP_KERNEL);
7104
7105 if (!ha->nvram) {
7106 IPS_PRINTK(KERN_WARNING, pci_dev,
7107 "Unable to allocate host NVRAM structure\n");
7108 return ips_abort_init(ha, index);
7109 }
7110
7111 ha->subsys = kmalloc(sizeof (IPS_SUBSYS), GFP_KERNEL);
7112
7113 if (!ha->subsys) {
7114 IPS_PRINTK(KERN_WARNING, pci_dev,
7115 "Unable to allocate host subsystem structure\n");
7116 return ips_abort_init(ha, index);
7117 }
7118
7119 /* the ioctl buffer is now used during adapter initialization, so its
7120 * successful allocation is now required */
7121 if (ips_ioctlsize < PAGE_SIZE)
7122 ips_ioctlsize = PAGE_SIZE;
7123
7124 ha->ioctl_data = pci_alloc_consistent(pci_dev, ips_ioctlsize,
7125 &ha->ioctl_busaddr);
7126 ha->ioctl_len = ips_ioctlsize;
7127 if (!ha->ioctl_data) {
7128 IPS_PRINTK(KERN_WARNING, pci_dev,
7129 "Unable to allocate IOCTL data\n");
7130 return ips_abort_init(ha, index);
7131 }
7132
7133 /*
7134 * Setup Functions
7135 */
7136 ips_setup_funclist(ha);
7137
7138 if ((IPS_IS_MORPHEUS(ha)) || (IPS_IS_MARCO(ha))) {
7139 /* If Morpheus appears dead, reset it */
7140 IsDead = readl(ha->mem_ptr + IPS_REG_I960_MSG1);
7141 if (IsDead == 0xDEADBEEF) {
7142 ips_reset_morpheus(ha);
7143 }
7144 }
7145
7146 /*
7147 * Initialize the card if it isn't already
7148 */
7149
7150 if (!(*ha->func.isinit) (ha)) {
7151 if (!(*ha->func.init) (ha)) {
7152 /*
7153 * Initialization failed
7154 */
7155 IPS_PRINTK(KERN_WARNING, pci_dev,
7156 "Unable to initialize controller\n");
7157 return ips_abort_init(ha, index);
7158 }
7159 }
7160
7161 *indexPtr = index;
7162 return SUCCESS;
7163}
7164
7165/*---------------------------------------------------------------------------*/
7166/* Routine Name: ips_init_phase2 */
7167/* */
7168/* Routine Description: */
7169/* Adapter Initialization Phase 2 */
7170/* */
7171/* Return Value: */
7172/* 0 if Successful, else non-zero */
7173/*---------------------------------------------------------------------------*/
7174static int
7175ips_init_phase2(int index)
7176{
7177 ips_ha_t *ha;
7178
7179 ha = ips_ha[index];
7180
7181 METHOD_TRACE("ips_init_phase2", 1);
7182 if (!ha->active) {
7183 ips_ha[index] = NULL;
7184 return -1;
7185 }
7186
7187 /* Install the interrupt handler */
7188 if (request_irq(ha->pcidev->irq, do_ipsintr, IRQF_SHARED, ips_name, ha)) {
7189 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7190 "Unable to install interrupt handler\n");
7191 return ips_abort_init(ha, index);
7192 }
7193
7194 /*
7195 * Allocate a temporary SCB for initialization
7196 */
7197 ha->max_cmds = 1;
7198 if (!ips_allocatescbs(ha)) {
7199 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7200 "Unable to allocate a CCB\n");
7201 free_irq(ha->pcidev->irq, ha);
7202 return ips_abort_init(ha, index);
7203 }
7204
7205 if (!ips_hainit(ha)) {
7206 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7207 "Unable to initialize controller\n");
7208 free_irq(ha->pcidev->irq, ha);
7209 return ips_abort_init(ha, index);
7210 }
7211 /* Free the temporary SCB */
7212 ips_deallocatescbs(ha, 1);
7213
7214 /* allocate CCBs */
7215 if (!ips_allocatescbs(ha)) {
7216 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7217 "Unable to allocate CCBs\n");
7218 free_irq(ha->pcidev->irq, ha);
7219 return ips_abort_init(ha, index);
7220 }
7221
7222 return SUCCESS;
7223}
7224
7225MODULE_LICENSE("GPL");
7226MODULE_DESCRIPTION("IBM ServeRAID Adapter Driver " IPS_VER_STRING);
7227MODULE_VERSION(IPS_VER_STRING);
7228
7229
7230/*
7231 * Overrides for Emacs so that we almost follow Linus's tabbing style.
7232 * Emacs will notice this stuff at the end of the file and automatically
7233 * adjust the settings for this buffer only. This must remain at the end
7234 * of the file.
7235 * ---------------------------------------------------------------------------
7236 * Local variables:
7237 * c-indent-level: 2
7238 * c-brace-imaginary-offset: 0
7239 * c-brace-offset: -2
7240 * c-argdecl-indent: 2
7241 * c-label-offset: -2
7242 * c-continued-statement-offset: 2
7243 * c-continued-brace-offset: 0
7244 * indent-tabs-mode: nil
7245 * tab-width: 8
7246 * End:
7247 */
1/*****************************************************************************/
2/* ips.c -- driver for the Adaptec / IBM ServeRAID controller */
3/* */
4/* Written By: Keith Mitchell, IBM Corporation */
5/* Jack Hammer, Adaptec, Inc. */
6/* David Jeffery, Adaptec, Inc. */
7/* */
8/* Copyright (C) 2000 IBM Corporation */
9/* Copyright (C) 2002,2003 Adaptec, Inc. */
10/* */
11/* This program is free software; you can redistribute it and/or modify */
12/* it under the terms of the GNU General Public License as published by */
13/* the Free Software Foundation; either version 2 of the License, or */
14/* (at your option) any later version. */
15/* */
16/* This program is distributed in the hope that it will be useful, */
17/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
18/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
19/* GNU General Public License for more details. */
20/* */
21/* NO WARRANTY */
22/* THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR */
23/* CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT */
24/* LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, */
25/* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is */
26/* solely responsible for determining the appropriateness of using and */
27/* distributing the Program and assumes all risks associated with its */
28/* exercise of rights under this Agreement, including but not limited to */
29/* the risks and costs of program errors, damage to or loss of data, */
30/* programs or equipment, and unavailability or interruption of operations. */
31/* */
32/* DISCLAIMER OF LIABILITY */
33/* NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY */
34/* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL */
35/* DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND */
36/* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR */
37/* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE */
38/* USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED */
39/* HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES */
40/* */
41/* You should have received a copy of the GNU General Public License */
42/* along with this program; if not, write to the Free Software */
43/* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
44/* */
45/* Bugs/Comments/Suggestions about this driver should be mailed to: */
46/* ipslinux@adaptec.com */
47/* */
48/* For system support issues, contact your local IBM Customer support. */
49/* Directions to find IBM Customer Support for each country can be found at: */
50/* http://www.ibm.com/planetwide/ */
51/* */
52/*****************************************************************************/
53
54/*****************************************************************************/
55/* Change Log */
56/* */
57/* 0.99.02 - Breakup commands that are bigger than 8 * the stripe size */
58/* 0.99.03 - Make interrupt routine handle all completed request on the */
59/* adapter not just the first one */
60/* - Make sure passthru commands get woken up if we run out of */
61/* SCBs */
62/* - Send all of the commands on the queue at once rather than */
63/* one at a time since the card will support it. */
64/* 0.99.04 - Fix race condition in the passthru mechanism -- this required */
65/* the interface to the utilities to change */
66/* - Fix error recovery code */
67/* 0.99.05 - Fix an oops when we get certain passthru commands */
68/* 1.00.00 - Initial Public Release */
69/* Functionally equivalent to 0.99.05 */
70/* 3.60.00 - Bump max commands to 128 for use with firmware 3.60 */
71/* - Change version to 3.60 to coincide with release numbering. */
72/* 3.60.01 - Remove bogus error check in passthru routine */
73/* 3.60.02 - Make DCDB direction based on lookup table */
74/* - Only allow one DCDB command to a SCSI ID at a time */
75/* 4.00.00 - Add support for ServeRAID 4 */
76/* 4.00.01 - Add support for First Failure Data Capture */
77/* 4.00.02 - Fix problem with PT DCDB with no buffer */
78/* 4.00.03 - Add alternative passthru interface */
79/* - Add ability to flash BIOS */
80/* 4.00.04 - Rename structures/constants to be prefixed with IPS_ */
81/* 4.00.05 - Remove wish_block from init routine */
82/* - Use linux/spinlock.h instead of asm/spinlock.h for kernels */
83/* 2.3.18 and later */
84/* - Sync with other changes from the 2.3 kernels */
85/* 4.00.06 - Fix timeout with initial FFDC command */
86/* 4.00.06a - Port to 2.4 (trivial) -- Christoph Hellwig <hch@infradead.org> */
87/* 4.10.00 - Add support for ServeRAID 4M/4L */
88/* 4.10.13 - Fix for dynamic unload and proc file system */
89/* 4.20.03 - Rename version to coincide with new release schedules */
90/* Performance fixes */
91/* Fix truncation of /proc files with cat */
92/* Merge in changes through kernel 2.4.0test1ac21 */
93/* 4.20.13 - Fix some failure cases / reset code */
94/* - Hook into the reboot_notifier to flush the controller cache */
95/* 4.50.01 - Fix problem when there is a hole in logical drive numbering */
96/* 4.70.09 - Use a Common ( Large Buffer ) for Flashing from the JCRM CD */
97/* - Add IPSSEND Flash Support */
98/* - Set Sense Data for Unknown SCSI Command */
99/* - Use Slot Number from NVRAM Page 5 */
100/* - Restore caller's DCDB Structure */
101/* 4.70.12 - Corrective actions for bad controller ( during initialization )*/
102/* 4.70.13 - Don't Send CDB's if we already know the device is not present */
103/* - Don't release HA Lock in ips_next() until SC taken off queue */
104/* - Unregister SCSI device in ips_release() */
105/* 4.70.15 - Fix Breakup for very large ( non-SG ) requests in ips_done() */
106/* 4.71.00 - Change all memory allocations to not use GFP_DMA flag */
107/* Code Clean-Up for 2.4.x kernel */
108/* 4.72.00 - Allow for a Scatter-Gather Element to exceed MAX_XFER Size */
109/* 4.72.01 - I/O Mapped Memory release ( so "insmod ips" does not Fail ) */
110/* - Don't Issue Internal FFDC Command if there are Active Commands */
111/* - Close Window for getting too many IOCTL's active */
112/* 4.80.00 - Make ia64 Safe */
113/* 4.80.04 - Eliminate calls to strtok() if 2.4.x or greater */
114/* - Adjustments to Device Queue Depth */
115/* 4.80.14 - Take all semaphores off stack */
116/* - Clean Up New_IOCTL path */
117/* 4.80.20 - Set max_sectors in Scsi_Host structure ( if >= 2.4.7 kernel ) */
118/* - 5 second delay needed after resetting an i960 adapter */
119/* 4.80.26 - Clean up potential code problems ( Arjan's recommendations ) */
120/* 4.90.01 - Version Matching for FirmWare, BIOS, and Driver */
121/* 4.90.05 - Use New PCI Architecture to facilitate Hot Plug Development */
122/* 4.90.08 - Increase Delays in Flashing ( Trombone Only - 4H ) */
123/* 4.90.08 - Data Corruption if First Scatter Gather Element is > 64K */
124/* 4.90.11 - Don't actually RESET unless it's physically required */
125/* - Remove unused compile options */
126/* 5.00.01 - Sarasota ( 5i ) adapters must always be scanned first */
127/* - Get rid on IOCTL_NEW_COMMAND code */
128/* - Add Extended DCDB Commands for Tape Support in 5I */
129/* 5.10.12 - use pci_dma interfaces, update for 2.5 kernel changes */
130/* 5.10.15 - remove unused code (sem, macros, etc.) */
131/* 5.30.00 - use __devexit_p() */
132/* 6.00.00 - Add 6x Adapters and Battery Flash */
133/* 6.10.00 - Remove 1G Addressing Limitations */
134/* 6.11.xx - Get VersionInfo buffer off the stack ! DDTS 60401 */
135/* 6.11.xx - Make Logical Drive Info structure safe for DMA DDTS 60639 */
136/* 7.10.18 - Add highmem_io flag in SCSI Templete for 2.4 kernels */
137/* - Fix path/name for scsi_hosts.h include for 2.6 kernels */
138/* - Fix sort order of 7k */
139/* - Remove 3 unused "inline" functions */
140/* 7.12.xx - Use STATIC functions wherever possible */
141/* - Clean up deprecated MODULE_PARM calls */
142/* 7.12.05 - Remove Version Matching per IBM request */
143/*****************************************************************************/
144
145/*
146 * Conditional Compilation directives for this driver:
147 *
148 * IPS_DEBUG - Turn on debugging info
149 *
150 * Parameters:
151 *
152 * debug:<number> - Set debug level to <number>
153 * NOTE: only works when IPS_DEBUG compile directive is used.
154 * 1 - Normal debug messages
155 * 2 - Verbose debug messages
156 * 11 - Method trace (non interrupt)
157 * 12 - Method trace (includes interrupt)
158 *
159 * noi2o - Don't use I2O Queues (ServeRAID 4 only)
160 * nommap - Don't use memory mapped I/O
161 * ioctlsize - Initial size of the IOCTL buffer
162 */
163
164#include <asm/io.h>
165#include <asm/byteorder.h>
166#include <asm/page.h>
167#include <linux/stddef.h>
168#include <linux/string.h>
169#include <linux/errno.h>
170#include <linux/kernel.h>
171#include <linux/ioport.h>
172#include <linux/slab.h>
173#include <linux/delay.h>
174#include <linux/pci.h>
175#include <linux/proc_fs.h>
176#include <linux/reboot.h>
177#include <linux/interrupt.h>
178
179#include <linux/blkdev.h>
180#include <linux/types.h>
181#include <linux/dma-mapping.h>
182
183#include <scsi/sg.h>
184#include "scsi.h"
185#include <scsi/scsi_host.h>
186
187#include "ips.h"
188
189#include <linux/module.h>
190
191#include <linux/stat.h>
192
193#include <linux/spinlock.h>
194#include <linux/init.h>
195
196#include <linux/smp.h>
197
198#ifdef MODULE
199static char *ips = NULL;
200module_param(ips, charp, 0);
201#endif
202
203/*
204 * DRIVER_VER
205 */
206#define IPS_VERSION_HIGH IPS_VER_MAJOR_STRING "." IPS_VER_MINOR_STRING
207#define IPS_VERSION_LOW "." IPS_VER_BUILD_STRING " "
208
209#if !defined(__i386__) && !defined(__ia64__) && !defined(__x86_64__)
210#warning "This driver has only been tested on the x86/ia64/x86_64 platforms"
211#endif
212
213#define IPS_DMA_DIR(scb) ((!scb->scsi_cmd || ips_is_passthru(scb->scsi_cmd) || \
214 DMA_NONE == scb->scsi_cmd->sc_data_direction) ? \
215 PCI_DMA_BIDIRECTIONAL : \
216 scb->scsi_cmd->sc_data_direction)
217
218#ifdef IPS_DEBUG
219#define METHOD_TRACE(s, i) if (ips_debug >= (i+10)) printk(KERN_NOTICE s "\n");
220#define DEBUG(i, s) if (ips_debug >= i) printk(KERN_NOTICE s "\n");
221#define DEBUG_VAR(i, s, v...) if (ips_debug >= i) printk(KERN_NOTICE s "\n", v);
222#else
223#define METHOD_TRACE(s, i)
224#define DEBUG(i, s)
225#define DEBUG_VAR(i, s, v...)
226#endif
227
228/*
229 * Function prototypes
230 */
231static int ips_detect(struct scsi_host_template *);
232static int ips_release(struct Scsi_Host *);
233static int ips_eh_abort(struct scsi_cmnd *);
234static int ips_eh_reset(struct scsi_cmnd *);
235static int ips_queue(struct Scsi_Host *, struct scsi_cmnd *);
236static const char *ips_info(struct Scsi_Host *);
237static irqreturn_t do_ipsintr(int, void *);
238static int ips_hainit(ips_ha_t *);
239static int ips_map_status(ips_ha_t *, ips_scb_t *, ips_stat_t *);
240static int ips_send_wait(ips_ha_t *, ips_scb_t *, int, int);
241static int ips_send_cmd(ips_ha_t *, ips_scb_t *);
242static int ips_online(ips_ha_t *, ips_scb_t *);
243static int ips_inquiry(ips_ha_t *, ips_scb_t *);
244static int ips_rdcap(ips_ha_t *, ips_scb_t *);
245static int ips_msense(ips_ha_t *, ips_scb_t *);
246static int ips_reqsen(ips_ha_t *, ips_scb_t *);
247static int ips_deallocatescbs(ips_ha_t *, int);
248static int ips_allocatescbs(ips_ha_t *);
249static int ips_reset_copperhead(ips_ha_t *);
250static int ips_reset_copperhead_memio(ips_ha_t *);
251static int ips_reset_morpheus(ips_ha_t *);
252static int ips_issue_copperhead(ips_ha_t *, ips_scb_t *);
253static int ips_issue_copperhead_memio(ips_ha_t *, ips_scb_t *);
254static int ips_issue_i2o(ips_ha_t *, ips_scb_t *);
255static int ips_issue_i2o_memio(ips_ha_t *, ips_scb_t *);
256static int ips_isintr_copperhead(ips_ha_t *);
257static int ips_isintr_copperhead_memio(ips_ha_t *);
258static int ips_isintr_morpheus(ips_ha_t *);
259static int ips_wait(ips_ha_t *, int, int);
260static int ips_write_driver_status(ips_ha_t *, int);
261static int ips_read_adapter_status(ips_ha_t *, int);
262static int ips_read_subsystem_parameters(ips_ha_t *, int);
263static int ips_read_config(ips_ha_t *, int);
264static int ips_clear_adapter(ips_ha_t *, int);
265static int ips_readwrite_page5(ips_ha_t *, int, int);
266static int ips_init_copperhead(ips_ha_t *);
267static int ips_init_copperhead_memio(ips_ha_t *);
268static int ips_init_morpheus(ips_ha_t *);
269static int ips_isinit_copperhead(ips_ha_t *);
270static int ips_isinit_copperhead_memio(ips_ha_t *);
271static int ips_isinit_morpheus(ips_ha_t *);
272static int ips_erase_bios(ips_ha_t *);
273static int ips_program_bios(ips_ha_t *, char *, uint32_t, uint32_t);
274static int ips_verify_bios(ips_ha_t *, char *, uint32_t, uint32_t);
275static int ips_erase_bios_memio(ips_ha_t *);
276static int ips_program_bios_memio(ips_ha_t *, char *, uint32_t, uint32_t);
277static int ips_verify_bios_memio(ips_ha_t *, char *, uint32_t, uint32_t);
278static int ips_flash_copperhead(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
279static int ips_flash_bios(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
280static int ips_flash_firmware(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
281static void ips_free_flash_copperhead(ips_ha_t * ha);
282static void ips_get_bios_version(ips_ha_t *, int);
283static void ips_identify_controller(ips_ha_t *);
284static void ips_chkstatus(ips_ha_t *, IPS_STATUS *);
285static void ips_enable_int_copperhead(ips_ha_t *);
286static void ips_enable_int_copperhead_memio(ips_ha_t *);
287static void ips_enable_int_morpheus(ips_ha_t *);
288static int ips_intr_copperhead(ips_ha_t *);
289static int ips_intr_morpheus(ips_ha_t *);
290static void ips_next(ips_ha_t *, int);
291static void ipsintr_blocking(ips_ha_t *, struct ips_scb *);
292static void ipsintr_done(ips_ha_t *, struct ips_scb *);
293static void ips_done(ips_ha_t *, ips_scb_t *);
294static void ips_free(ips_ha_t *);
295static void ips_init_scb(ips_ha_t *, ips_scb_t *);
296static void ips_freescb(ips_ha_t *, ips_scb_t *);
297static void ips_setup_funclist(ips_ha_t *);
298static void ips_statinit(ips_ha_t *);
299static void ips_statinit_memio(ips_ha_t *);
300static void ips_fix_ffdc_time(ips_ha_t *, ips_scb_t *, time_t);
301static void ips_ffdc_reset(ips_ha_t *, int);
302static void ips_ffdc_time(ips_ha_t *);
303static uint32_t ips_statupd_copperhead(ips_ha_t *);
304static uint32_t ips_statupd_copperhead_memio(ips_ha_t *);
305static uint32_t ips_statupd_morpheus(ips_ha_t *);
306static ips_scb_t *ips_getscb(ips_ha_t *);
307static void ips_putq_scb_head(ips_scb_queue_t *, ips_scb_t *);
308static void ips_putq_wait_tail(ips_wait_queue_t *, struct scsi_cmnd *);
309static void ips_putq_copp_tail(ips_copp_queue_t *,
310 ips_copp_wait_item_t *);
311static ips_scb_t *ips_removeq_scb_head(ips_scb_queue_t *);
312static ips_scb_t *ips_removeq_scb(ips_scb_queue_t *, ips_scb_t *);
313static struct scsi_cmnd *ips_removeq_wait_head(ips_wait_queue_t *);
314static struct scsi_cmnd *ips_removeq_wait(ips_wait_queue_t *,
315 struct scsi_cmnd *);
316static ips_copp_wait_item_t *ips_removeq_copp(ips_copp_queue_t *,
317 ips_copp_wait_item_t *);
318static ips_copp_wait_item_t *ips_removeq_copp_head(ips_copp_queue_t *);
319
320static int ips_is_passthru(struct scsi_cmnd *);
321static int ips_make_passthru(ips_ha_t *, struct scsi_cmnd *, ips_scb_t *, int);
322static int ips_usrcmd(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
323static void ips_cleanup_passthru(ips_ha_t *, ips_scb_t *);
324static void ips_scmd_buf_write(struct scsi_cmnd * scmd, void *data,
325 unsigned int count);
326static void ips_scmd_buf_read(struct scsi_cmnd * scmd, void *data,
327 unsigned int count);
328
329static int ips_write_info(struct Scsi_Host *, char *, int);
330static int ips_show_info(struct seq_file *, struct Scsi_Host *);
331static int ips_host_info(ips_ha_t *, struct seq_file *);
332static int ips_abort_init(ips_ha_t * ha, int index);
333static int ips_init_phase2(int index);
334
335static int ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr);
336static int ips_register_scsi(int index);
337
338static int ips_poll_for_flush_complete(ips_ha_t * ha);
339static void ips_flush_and_reset(ips_ha_t *ha);
340
341/*
342 * global variables
343 */
344static const char ips_name[] = "ips";
345static struct Scsi_Host *ips_sh[IPS_MAX_ADAPTERS]; /* Array of host controller structures */
346static ips_ha_t *ips_ha[IPS_MAX_ADAPTERS]; /* Array of HA structures */
347static unsigned int ips_next_controller;
348static unsigned int ips_num_controllers;
349static unsigned int ips_released_controllers;
350static int ips_hotplug;
351static int ips_cmd_timeout = 60;
352static int ips_reset_timeout = 60 * 5;
353static int ips_force_memio = 1; /* Always use Memory Mapped I/O */
354static int ips_force_i2o = 1; /* Always use I2O command delivery */
355static int ips_ioctlsize = IPS_IOCTL_SIZE; /* Size of the ioctl buffer */
356static int ips_cd_boot; /* Booting from Manager CD */
357static char *ips_FlashData = NULL; /* CD Boot - Flash Data Buffer */
358static dma_addr_t ips_flashbusaddr;
359static long ips_FlashDataInUse; /* CD Boot - Flash Data In Use Flag */
360static uint32_t MaxLiteCmds = 32; /* Max Active Cmds for a Lite Adapter */
361static struct scsi_host_template ips_driver_template = {
362 .detect = ips_detect,
363 .release = ips_release,
364 .info = ips_info,
365 .queuecommand = ips_queue,
366 .eh_abort_handler = ips_eh_abort,
367 .eh_host_reset_handler = ips_eh_reset,
368 .proc_name = "ips",
369 .show_info = ips_show_info,
370 .write_info = ips_write_info,
371 .slave_configure = ips_slave_configure,
372 .bios_param = ips_biosparam,
373 .this_id = -1,
374 .sg_tablesize = IPS_MAX_SG,
375 .cmd_per_lun = 3,
376 .use_clustering = ENABLE_CLUSTERING,
377 .no_write_same = 1,
378};
379
380
381/* This table describes all ServeRAID Adapters */
382static struct pci_device_id ips_pci_table[] = {
383 { 0x1014, 0x002E, PCI_ANY_ID, PCI_ANY_ID, 0, 0 },
384 { 0x1014, 0x01BD, PCI_ANY_ID, PCI_ANY_ID, 0, 0 },
385 { 0x9005, 0x0250, PCI_ANY_ID, PCI_ANY_ID, 0, 0 },
386 { 0, }
387};
388
389MODULE_DEVICE_TABLE( pci, ips_pci_table );
390
391static char ips_hot_plug_name[] = "ips";
392
393static int ips_insert_device(struct pci_dev *pci_dev, const struct pci_device_id *ent);
394static void ips_remove_device(struct pci_dev *pci_dev);
395
396static struct pci_driver ips_pci_driver = {
397 .name = ips_hot_plug_name,
398 .id_table = ips_pci_table,
399 .probe = ips_insert_device,
400 .remove = ips_remove_device,
401};
402
403
404/*
405 * Necessary forward function protoypes
406 */
407static int ips_halt(struct notifier_block *nb, ulong event, void *buf);
408
409#define MAX_ADAPTER_NAME 15
410
411static char ips_adapter_name[][30] = {
412 "ServeRAID",
413 "ServeRAID II",
414 "ServeRAID on motherboard",
415 "ServeRAID on motherboard",
416 "ServeRAID 3H",
417 "ServeRAID 3L",
418 "ServeRAID 4H",
419 "ServeRAID 4M",
420 "ServeRAID 4L",
421 "ServeRAID 4Mx",
422 "ServeRAID 4Lx",
423 "ServeRAID 5i",
424 "ServeRAID 5i",
425 "ServeRAID 6M",
426 "ServeRAID 6i",
427 "ServeRAID 7t",
428 "ServeRAID 7k",
429 "ServeRAID 7M"
430};
431
432static struct notifier_block ips_notifier = {
433 ips_halt, NULL, 0
434};
435
436/*
437 * Direction table
438 */
439static char ips_command_direction[] = {
440 IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT,
441 IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK,
442 IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
443 IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_OUT,
444 IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_OUT,
445 IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_OUT,
446 IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_IN,
447 IPS_DATA_UNK, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_UNK,
448 IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_UNK,
449 IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT,
450 IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_NONE,
451 IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT,
452 IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT,
453 IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_NONE,
454 IPS_DATA_UNK, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_UNK,
455 IPS_DATA_NONE, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_UNK,
456 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
457 IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
458 IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
459 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
460 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
461 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
462 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
463 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
464 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
465 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
466 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
467 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
468 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
469 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
470 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
471 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
472 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
473 IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_NONE,
474 IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_OUT,
475 IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_NONE,
476 IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_IN,
477 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
478 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
479 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
480 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
481 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
482 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
483 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
484 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
485 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
486 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_OUT,
487 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
488 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
489 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
490 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK
491};
492
493
494/****************************************************************************/
495/* */
496/* Routine Name: ips_setup */
497/* */
498/* Routine Description: */
499/* */
500/* setup parameters to the driver */
501/* */
502/****************************************************************************/
503static int
504ips_setup(char *ips_str)
505{
506
507 int i;
508 char *key;
509 char *value;
510 IPS_OPTION options[] = {
511 {"noi2o", &ips_force_i2o, 0},
512 {"nommap", &ips_force_memio, 0},
513 {"ioctlsize", &ips_ioctlsize, IPS_IOCTL_SIZE},
514 {"cdboot", &ips_cd_boot, 0},
515 {"maxcmds", &MaxLiteCmds, 32},
516 };
517
518 /* Don't use strtok() anymore ( if 2.4 Kernel or beyond ) */
519 /* Search for value */
520 while ((key = strsep(&ips_str, ",."))) {
521 if (!*key)
522 continue;
523 value = strchr(key, ':');
524 if (value)
525 *value++ = '\0';
526 /*
527 * We now have key/value pairs.
528 * Update the variables
529 */
530 for (i = 0; i < ARRAY_SIZE(options); i++) {
531 if (strnicmp
532 (key, options[i].option_name,
533 strlen(options[i].option_name)) == 0) {
534 if (value)
535 *options[i].option_flag =
536 simple_strtoul(value, NULL, 0);
537 else
538 *options[i].option_flag =
539 options[i].option_value;
540 break;
541 }
542 }
543 }
544
545 return (1);
546}
547
548__setup("ips=", ips_setup);
549
550/****************************************************************************/
551/* */
552/* Routine Name: ips_detect */
553/* */
554/* Routine Description: */
555/* */
556/* Detect and initialize the driver */
557/* */
558/* NOTE: this routine is called under the io_request_lock spinlock */
559/* */
560/****************************************************************************/
561static int
562ips_detect(struct scsi_host_template * SHT)
563{
564 int i;
565
566 METHOD_TRACE("ips_detect", 1);
567
568#ifdef MODULE
569 if (ips)
570 ips_setup(ips);
571#endif
572
573 for (i = 0; i < ips_num_controllers; i++) {
574 if (ips_register_scsi(i))
575 ips_free(ips_ha[i]);
576 ips_released_controllers++;
577 }
578 ips_hotplug = 1;
579 return (ips_num_controllers);
580}
581
582/****************************************************************************/
583/* configure the function pointers to use the functions that will work */
584/* with the found version of the adapter */
585/****************************************************************************/
586static void
587ips_setup_funclist(ips_ha_t * ha)
588{
589
590 /*
591 * Setup Functions
592 */
593 if (IPS_IS_MORPHEUS(ha) || IPS_IS_MARCO(ha)) {
594 /* morpheus / marco / sebring */
595 ha->func.isintr = ips_isintr_morpheus;
596 ha->func.isinit = ips_isinit_morpheus;
597 ha->func.issue = ips_issue_i2o_memio;
598 ha->func.init = ips_init_morpheus;
599 ha->func.statupd = ips_statupd_morpheus;
600 ha->func.reset = ips_reset_morpheus;
601 ha->func.intr = ips_intr_morpheus;
602 ha->func.enableint = ips_enable_int_morpheus;
603 } else if (IPS_USE_MEMIO(ha)) {
604 /* copperhead w/MEMIO */
605 ha->func.isintr = ips_isintr_copperhead_memio;
606 ha->func.isinit = ips_isinit_copperhead_memio;
607 ha->func.init = ips_init_copperhead_memio;
608 ha->func.statupd = ips_statupd_copperhead_memio;
609 ha->func.statinit = ips_statinit_memio;
610 ha->func.reset = ips_reset_copperhead_memio;
611 ha->func.intr = ips_intr_copperhead;
612 ha->func.erasebios = ips_erase_bios_memio;
613 ha->func.programbios = ips_program_bios_memio;
614 ha->func.verifybios = ips_verify_bios_memio;
615 ha->func.enableint = ips_enable_int_copperhead_memio;
616 if (IPS_USE_I2O_DELIVER(ha))
617 ha->func.issue = ips_issue_i2o_memio;
618 else
619 ha->func.issue = ips_issue_copperhead_memio;
620 } else {
621 /* copperhead */
622 ha->func.isintr = ips_isintr_copperhead;
623 ha->func.isinit = ips_isinit_copperhead;
624 ha->func.init = ips_init_copperhead;
625 ha->func.statupd = ips_statupd_copperhead;
626 ha->func.statinit = ips_statinit;
627 ha->func.reset = ips_reset_copperhead;
628 ha->func.intr = ips_intr_copperhead;
629 ha->func.erasebios = ips_erase_bios;
630 ha->func.programbios = ips_program_bios;
631 ha->func.verifybios = ips_verify_bios;
632 ha->func.enableint = ips_enable_int_copperhead;
633
634 if (IPS_USE_I2O_DELIVER(ha))
635 ha->func.issue = ips_issue_i2o;
636 else
637 ha->func.issue = ips_issue_copperhead;
638 }
639}
640
641/****************************************************************************/
642/* */
643/* Routine Name: ips_release */
644/* */
645/* Routine Description: */
646/* */
647/* Remove a driver */
648/* */
649/****************************************************************************/
650static int
651ips_release(struct Scsi_Host *sh)
652{
653 ips_scb_t *scb;
654 ips_ha_t *ha;
655 int i;
656
657 METHOD_TRACE("ips_release", 1);
658
659 scsi_remove_host(sh);
660
661 for (i = 0; i < IPS_MAX_ADAPTERS && ips_sh[i] != sh; i++) ;
662
663 if (i == IPS_MAX_ADAPTERS) {
664 printk(KERN_WARNING
665 "(%s) release, invalid Scsi_Host pointer.\n", ips_name);
666 BUG();
667 return (FALSE);
668 }
669
670 ha = IPS_HA(sh);
671
672 if (!ha)
673 return (FALSE);
674
675 /* flush the cache on the controller */
676 scb = &ha->scbs[ha->max_cmds - 1];
677
678 ips_init_scb(ha, scb);
679
680 scb->timeout = ips_cmd_timeout;
681 scb->cdb[0] = IPS_CMD_FLUSH;
682
683 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
684 scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb);
685 scb->cmd.flush_cache.state = IPS_NORM_STATE;
686 scb->cmd.flush_cache.reserved = 0;
687 scb->cmd.flush_cache.reserved2 = 0;
688 scb->cmd.flush_cache.reserved3 = 0;
689 scb->cmd.flush_cache.reserved4 = 0;
690
691 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Flushing Cache.\n");
692
693 /* send command */
694 if (ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_ON) == IPS_FAILURE)
695 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Incomplete Flush.\n");
696
697 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Flushing Complete.\n");
698
699 ips_sh[i] = NULL;
700 ips_ha[i] = NULL;
701
702 /* free extra memory */
703 ips_free(ha);
704
705 /* free IRQ */
706 free_irq(ha->pcidev->irq, ha);
707
708 scsi_host_put(sh);
709
710 ips_released_controllers++;
711
712 return (FALSE);
713}
714
715/****************************************************************************/
716/* */
717/* Routine Name: ips_halt */
718/* */
719/* Routine Description: */
720/* */
721/* Perform cleanup when the system reboots */
722/* */
723/****************************************************************************/
724static int
725ips_halt(struct notifier_block *nb, ulong event, void *buf)
726{
727 ips_scb_t *scb;
728 ips_ha_t *ha;
729 int i;
730
731 if ((event != SYS_RESTART) && (event != SYS_HALT) &&
732 (event != SYS_POWER_OFF))
733 return (NOTIFY_DONE);
734
735 for (i = 0; i < ips_next_controller; i++) {
736 ha = (ips_ha_t *) ips_ha[i];
737
738 if (!ha)
739 continue;
740
741 if (!ha->active)
742 continue;
743
744 /* flush the cache on the controller */
745 scb = &ha->scbs[ha->max_cmds - 1];
746
747 ips_init_scb(ha, scb);
748
749 scb->timeout = ips_cmd_timeout;
750 scb->cdb[0] = IPS_CMD_FLUSH;
751
752 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
753 scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb);
754 scb->cmd.flush_cache.state = IPS_NORM_STATE;
755 scb->cmd.flush_cache.reserved = 0;
756 scb->cmd.flush_cache.reserved2 = 0;
757 scb->cmd.flush_cache.reserved3 = 0;
758 scb->cmd.flush_cache.reserved4 = 0;
759
760 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Flushing Cache.\n");
761
762 /* send command */
763 if (ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_ON) ==
764 IPS_FAILURE)
765 IPS_PRINTK(KERN_WARNING, ha->pcidev,
766 "Incomplete Flush.\n");
767 else
768 IPS_PRINTK(KERN_WARNING, ha->pcidev,
769 "Flushing Complete.\n");
770 }
771
772 return (NOTIFY_OK);
773}
774
775/****************************************************************************/
776/* */
777/* Routine Name: ips_eh_abort */
778/* */
779/* Routine Description: */
780/* */
781/* Abort a command (using the new error code stuff) */
782/* Note: this routine is called under the io_request_lock */
783/****************************************************************************/
784int ips_eh_abort(struct scsi_cmnd *SC)
785{
786 ips_ha_t *ha;
787 ips_copp_wait_item_t *item;
788 int ret;
789 struct Scsi_Host *host;
790
791 METHOD_TRACE("ips_eh_abort", 1);
792
793 if (!SC)
794 return (FAILED);
795
796 host = SC->device->host;
797 ha = (ips_ha_t *) SC->device->host->hostdata;
798
799 if (!ha)
800 return (FAILED);
801
802 if (!ha->active)
803 return (FAILED);
804
805 spin_lock(host->host_lock);
806
807 /* See if the command is on the copp queue */
808 item = ha->copp_waitlist.head;
809 while ((item) && (item->scsi_cmd != SC))
810 item = item->next;
811
812 if (item) {
813 /* Found it */
814 ips_removeq_copp(&ha->copp_waitlist, item);
815 ret = (SUCCESS);
816
817 /* See if the command is on the wait queue */
818 } else if (ips_removeq_wait(&ha->scb_waitlist, SC)) {
819 /* command not sent yet */
820 ret = (SUCCESS);
821 } else {
822 /* command must have already been sent */
823 ret = (FAILED);
824 }
825
826 spin_unlock(host->host_lock);
827 return ret;
828}
829
830/****************************************************************************/
831/* */
832/* Routine Name: ips_eh_reset */
833/* */
834/* Routine Description: */
835/* */
836/* Reset the controller (with new eh error code) */
837/* */
838/* NOTE: this routine is called under the io_request_lock spinlock */
839/* */
840/****************************************************************************/
841static int __ips_eh_reset(struct scsi_cmnd *SC)
842{
843 int ret;
844 int i;
845 ips_ha_t *ha;
846 ips_scb_t *scb;
847 ips_copp_wait_item_t *item;
848
849 METHOD_TRACE("ips_eh_reset", 1);
850
851#ifdef NO_IPS_RESET
852 return (FAILED);
853#else
854
855 if (!SC) {
856 DEBUG(1, "Reset called with NULL scsi command");
857
858 return (FAILED);
859 }
860
861 ha = (ips_ha_t *) SC->device->host->hostdata;
862
863 if (!ha) {
864 DEBUG(1, "Reset called with NULL ha struct");
865
866 return (FAILED);
867 }
868
869 if (!ha->active)
870 return (FAILED);
871
872 /* See if the command is on the copp queue */
873 item = ha->copp_waitlist.head;
874 while ((item) && (item->scsi_cmd != SC))
875 item = item->next;
876
877 if (item) {
878 /* Found it */
879 ips_removeq_copp(&ha->copp_waitlist, item);
880 return (SUCCESS);
881 }
882
883 /* See if the command is on the wait queue */
884 if (ips_removeq_wait(&ha->scb_waitlist, SC)) {
885 /* command not sent yet */
886 return (SUCCESS);
887 }
888
889 /* An explanation for the casual observer: */
890 /* Part of the function of a RAID controller is automatic error */
891 /* detection and recovery. As such, the only problem that physically */
892 /* resetting an adapter will ever fix is when, for some reason, */
893 /* the driver is not successfully communicating with the adapter. */
894 /* Therefore, we will attempt to flush this adapter. If that succeeds, */
895 /* then there's no real purpose in a physical reset. This will complete */
896 /* much faster and avoids any problems that might be caused by a */
897 /* physical reset ( such as having to fail all the outstanding I/O's ). */
898
899 if (ha->ioctl_reset == 0) { /* IF Not an IOCTL Requested Reset */
900 scb = &ha->scbs[ha->max_cmds - 1];
901
902 ips_init_scb(ha, scb);
903
904 scb->timeout = ips_cmd_timeout;
905 scb->cdb[0] = IPS_CMD_FLUSH;
906
907 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
908 scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb);
909 scb->cmd.flush_cache.state = IPS_NORM_STATE;
910 scb->cmd.flush_cache.reserved = 0;
911 scb->cmd.flush_cache.reserved2 = 0;
912 scb->cmd.flush_cache.reserved3 = 0;
913 scb->cmd.flush_cache.reserved4 = 0;
914
915 /* Attempt the flush command */
916 ret = ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_IORL);
917 if (ret == IPS_SUCCESS) {
918 IPS_PRINTK(KERN_NOTICE, ha->pcidev,
919 "Reset Request - Flushed Cache\n");
920 return (SUCCESS);
921 }
922 }
923
924 /* Either we can't communicate with the adapter or it's an IOCTL request */
925 /* from a utility. A physical reset is needed at this point. */
926
927 ha->ioctl_reset = 0; /* Reset the IOCTL Requested Reset Flag */
928
929 /*
930 * command must have already been sent
931 * reset the controller
932 */
933 IPS_PRINTK(KERN_NOTICE, ha->pcidev, "Resetting controller.\n");
934 ret = (*ha->func.reset) (ha);
935
936 if (!ret) {
937 struct scsi_cmnd *scsi_cmd;
938
939 IPS_PRINTK(KERN_NOTICE, ha->pcidev,
940 "Controller reset failed - controller now offline.\n");
941
942 /* Now fail all of the active commands */
943 DEBUG_VAR(1, "(%s%d) Failing active commands",
944 ips_name, ha->host_num);
945
946 while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) {
947 scb->scsi_cmd->result = DID_ERROR << 16;
948 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
949 ips_freescb(ha, scb);
950 }
951
952 /* Now fail all of the pending commands */
953 DEBUG_VAR(1, "(%s%d) Failing pending commands",
954 ips_name, ha->host_num);
955
956 while ((scsi_cmd = ips_removeq_wait_head(&ha->scb_waitlist))) {
957 scsi_cmd->result = DID_ERROR;
958 scsi_cmd->scsi_done(scsi_cmd);
959 }
960
961 ha->active = FALSE;
962 return (FAILED);
963 }
964
965 if (!ips_clear_adapter(ha, IPS_INTR_IORL)) {
966 struct scsi_cmnd *scsi_cmd;
967
968 IPS_PRINTK(KERN_NOTICE, ha->pcidev,
969 "Controller reset failed - controller now offline.\n");
970
971 /* Now fail all of the active commands */
972 DEBUG_VAR(1, "(%s%d) Failing active commands",
973 ips_name, ha->host_num);
974
975 while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) {
976 scb->scsi_cmd->result = DID_ERROR << 16;
977 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
978 ips_freescb(ha, scb);
979 }
980
981 /* Now fail all of the pending commands */
982 DEBUG_VAR(1, "(%s%d) Failing pending commands",
983 ips_name, ha->host_num);
984
985 while ((scsi_cmd = ips_removeq_wait_head(&ha->scb_waitlist))) {
986 scsi_cmd->result = DID_ERROR << 16;
987 scsi_cmd->scsi_done(scsi_cmd);
988 }
989
990 ha->active = FALSE;
991 return (FAILED);
992 }
993
994 /* FFDC */
995 if (le32_to_cpu(ha->subsys->param[3]) & 0x300000) {
996 struct timeval tv;
997
998 do_gettimeofday(&tv);
999 ha->last_ffdc = tv.tv_sec;
1000 ha->reset_count++;
1001 ips_ffdc_reset(ha, IPS_INTR_IORL);
1002 }
1003
1004 /* Now fail all of the active commands */
1005 DEBUG_VAR(1, "(%s%d) Failing active commands", ips_name, ha->host_num);
1006
1007 while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) {
1008 scb->scsi_cmd->result = DID_RESET << 16;
1009 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
1010 ips_freescb(ha, scb);
1011 }
1012
1013 /* Reset DCDB active command bits */
1014 for (i = 1; i < ha->nbus; i++)
1015 ha->dcdb_active[i - 1] = 0;
1016
1017 /* Reset the number of active IOCTLs */
1018 ha->num_ioctl = 0;
1019
1020 ips_next(ha, IPS_INTR_IORL);
1021
1022 return (SUCCESS);
1023#endif /* NO_IPS_RESET */
1024
1025}
1026
1027static int ips_eh_reset(struct scsi_cmnd *SC)
1028{
1029 int rc;
1030
1031 spin_lock_irq(SC->device->host->host_lock);
1032 rc = __ips_eh_reset(SC);
1033 spin_unlock_irq(SC->device->host->host_lock);
1034
1035 return rc;
1036}
1037
1038/****************************************************************************/
1039/* */
1040/* Routine Name: ips_queue */
1041/* */
1042/* Routine Description: */
1043/* */
1044/* Send a command to the controller */
1045/* */
1046/* NOTE: */
1047/* Linux obtains io_request_lock before calling this function */
1048/* */
1049/****************************************************************************/
1050static int ips_queue_lck(struct scsi_cmnd *SC, void (*done) (struct scsi_cmnd *))
1051{
1052 ips_ha_t *ha;
1053 ips_passthru_t *pt;
1054
1055 METHOD_TRACE("ips_queue", 1);
1056
1057 ha = (ips_ha_t *) SC->device->host->hostdata;
1058
1059 if (!ha)
1060 return (1);
1061
1062 if (!ha->active)
1063 return (DID_ERROR);
1064
1065 if (ips_is_passthru(SC)) {
1066 if (ha->copp_waitlist.count == IPS_MAX_IOCTL_QUEUE) {
1067 SC->result = DID_BUS_BUSY << 16;
1068 done(SC);
1069
1070 return (0);
1071 }
1072 } else if (ha->scb_waitlist.count == IPS_MAX_QUEUE) {
1073 SC->result = DID_BUS_BUSY << 16;
1074 done(SC);
1075
1076 return (0);
1077 }
1078
1079 SC->scsi_done = done;
1080
1081 DEBUG_VAR(2, "(%s%d): ips_queue: cmd 0x%X (%d %d %d)",
1082 ips_name,
1083 ha->host_num,
1084 SC->cmnd[0],
1085 SC->device->channel, SC->device->id, SC->device->lun);
1086
1087 /* Check for command to initiator IDs */
1088 if ((scmd_channel(SC) > 0)
1089 && (scmd_id(SC) == ha->ha_id[scmd_channel(SC)])) {
1090 SC->result = DID_NO_CONNECT << 16;
1091 done(SC);
1092
1093 return (0);
1094 }
1095
1096 if (ips_is_passthru(SC)) {
1097
1098 ips_copp_wait_item_t *scratch;
1099
1100 /* A Reset IOCTL is only sent by the boot CD in extreme cases. */
1101 /* There can never be any system activity ( network or disk ), but check */
1102 /* anyway just as a good practice. */
1103 pt = (ips_passthru_t *) scsi_sglist(SC);
1104 if ((pt->CoppCP.cmd.reset.op_code == IPS_CMD_RESET_CHANNEL) &&
1105 (pt->CoppCP.cmd.reset.adapter_flag == 1)) {
1106 if (ha->scb_activelist.count != 0) {
1107 SC->result = DID_BUS_BUSY << 16;
1108 done(SC);
1109 return (0);
1110 }
1111 ha->ioctl_reset = 1; /* This reset request is from an IOCTL */
1112 __ips_eh_reset(SC);
1113 SC->result = DID_OK << 16;
1114 SC->scsi_done(SC);
1115 return (0);
1116 }
1117
1118 /* allocate space for the scribble */
1119 scratch = kmalloc(sizeof (ips_copp_wait_item_t), GFP_ATOMIC);
1120
1121 if (!scratch) {
1122 SC->result = DID_ERROR << 16;
1123 done(SC);
1124
1125 return (0);
1126 }
1127
1128 scratch->scsi_cmd = SC;
1129 scratch->next = NULL;
1130
1131 ips_putq_copp_tail(&ha->copp_waitlist, scratch);
1132 } else {
1133 ips_putq_wait_tail(&ha->scb_waitlist, SC);
1134 }
1135
1136 ips_next(ha, IPS_INTR_IORL);
1137
1138 return (0);
1139}
1140
1141static DEF_SCSI_QCMD(ips_queue)
1142
1143/****************************************************************************/
1144/* */
1145/* Routine Name: ips_biosparam */
1146/* */
1147/* Routine Description: */
1148/* */
1149/* Set bios geometry for the controller */
1150/* */
1151/****************************************************************************/
1152static int ips_biosparam(struct scsi_device *sdev, struct block_device *bdev,
1153 sector_t capacity, int geom[])
1154{
1155 ips_ha_t *ha = (ips_ha_t *) sdev->host->hostdata;
1156 int heads;
1157 int sectors;
1158 int cylinders;
1159
1160 METHOD_TRACE("ips_biosparam", 1);
1161
1162 if (!ha)
1163 /* ?!?! host adater info invalid */
1164 return (0);
1165
1166 if (!ha->active)
1167 return (0);
1168
1169 if (!ips_read_adapter_status(ha, IPS_INTR_ON))
1170 /* ?!?! Enquiry command failed */
1171 return (0);
1172
1173 if ((capacity > 0x400000) && ((ha->enq->ucMiscFlag & 0x8) == 0)) {
1174 heads = IPS_NORM_HEADS;
1175 sectors = IPS_NORM_SECTORS;
1176 } else {
1177 heads = IPS_COMP_HEADS;
1178 sectors = IPS_COMP_SECTORS;
1179 }
1180
1181 cylinders = (unsigned long) capacity / (heads * sectors);
1182
1183 DEBUG_VAR(2, "Geometry: heads: %d, sectors: %d, cylinders: %d",
1184 heads, sectors, cylinders);
1185
1186 geom[0] = heads;
1187 geom[1] = sectors;
1188 geom[2] = cylinders;
1189
1190 return (0);
1191}
1192
1193/****************************************************************************/
1194/* */
1195/* Routine Name: ips_slave_configure */
1196/* */
1197/* Routine Description: */
1198/* */
1199/* Set queue depths on devices once scan is complete */
1200/* */
1201/****************************************************************************/
1202static int
1203ips_slave_configure(struct scsi_device * SDptr)
1204{
1205 ips_ha_t *ha;
1206 int min;
1207
1208 ha = IPS_HA(SDptr->host);
1209 if (SDptr->tagged_supported && SDptr->type == TYPE_DISK) {
1210 min = ha->max_cmds / 2;
1211 if (ha->enq->ucLogDriveCount <= 2)
1212 min = ha->max_cmds - 1;
1213 scsi_adjust_queue_depth(SDptr, MSG_ORDERED_TAG, min);
1214 }
1215
1216 SDptr->skip_ms_page_8 = 1;
1217 SDptr->skip_ms_page_3f = 1;
1218 return 0;
1219}
1220
1221/****************************************************************************/
1222/* */
1223/* Routine Name: do_ipsintr */
1224/* */
1225/* Routine Description: */
1226/* */
1227/* Wrapper for the interrupt handler */
1228/* */
1229/****************************************************************************/
1230static irqreturn_t
1231do_ipsintr(int irq, void *dev_id)
1232{
1233 ips_ha_t *ha;
1234 struct Scsi_Host *host;
1235 int irqstatus;
1236
1237 METHOD_TRACE("do_ipsintr", 2);
1238
1239 ha = (ips_ha_t *) dev_id;
1240 if (!ha)
1241 return IRQ_NONE;
1242 host = ips_sh[ha->host_num];
1243 /* interrupt during initialization */
1244 if (!host) {
1245 (*ha->func.intr) (ha);
1246 return IRQ_HANDLED;
1247 }
1248
1249 spin_lock(host->host_lock);
1250
1251 if (!ha->active) {
1252 spin_unlock(host->host_lock);
1253 return IRQ_HANDLED;
1254 }
1255
1256 irqstatus = (*ha->func.intr) (ha);
1257
1258 spin_unlock(host->host_lock);
1259
1260 /* start the next command */
1261 ips_next(ha, IPS_INTR_ON);
1262 return IRQ_RETVAL(irqstatus);
1263}
1264
1265/****************************************************************************/
1266/* */
1267/* Routine Name: ips_intr_copperhead */
1268/* */
1269/* Routine Description: */
1270/* */
1271/* Polling interrupt handler */
1272/* */
1273/* ASSUMES interrupts are disabled */
1274/* */
1275/****************************************************************************/
1276int
1277ips_intr_copperhead(ips_ha_t * ha)
1278{
1279 ips_stat_t *sp;
1280 ips_scb_t *scb;
1281 IPS_STATUS cstatus;
1282 int intrstatus;
1283
1284 METHOD_TRACE("ips_intr", 2);
1285
1286 if (!ha)
1287 return 0;
1288
1289 if (!ha->active)
1290 return 0;
1291
1292 intrstatus = (*ha->func.isintr) (ha);
1293
1294 if (!intrstatus) {
1295 /*
1296 * Unexpected/Shared interrupt
1297 */
1298
1299 return 0;
1300 }
1301
1302 while (TRUE) {
1303 sp = &ha->sp;
1304
1305 intrstatus = (*ha->func.isintr) (ha);
1306
1307 if (!intrstatus)
1308 break;
1309 else
1310 cstatus.value = (*ha->func.statupd) (ha);
1311
1312 if (cstatus.fields.command_id > (IPS_MAX_CMDS - 1)) {
1313 /* Spurious Interrupt ? */
1314 continue;
1315 }
1316
1317 ips_chkstatus(ha, &cstatus);
1318 scb = (ips_scb_t *) sp->scb_addr;
1319
1320 /*
1321 * use the callback function to finish things up
1322 * NOTE: interrupts are OFF for this
1323 */
1324 (*scb->callback) (ha, scb);
1325 } /* end while */
1326 return 1;
1327}
1328
1329/****************************************************************************/
1330/* */
1331/* Routine Name: ips_intr_morpheus */
1332/* */
1333/* Routine Description: */
1334/* */
1335/* Polling interrupt handler */
1336/* */
1337/* ASSUMES interrupts are disabled */
1338/* */
1339/****************************************************************************/
1340int
1341ips_intr_morpheus(ips_ha_t * ha)
1342{
1343 ips_stat_t *sp;
1344 ips_scb_t *scb;
1345 IPS_STATUS cstatus;
1346 int intrstatus;
1347
1348 METHOD_TRACE("ips_intr_morpheus", 2);
1349
1350 if (!ha)
1351 return 0;
1352
1353 if (!ha->active)
1354 return 0;
1355
1356 intrstatus = (*ha->func.isintr) (ha);
1357
1358 if (!intrstatus) {
1359 /*
1360 * Unexpected/Shared interrupt
1361 */
1362
1363 return 0;
1364 }
1365
1366 while (TRUE) {
1367 sp = &ha->sp;
1368
1369 intrstatus = (*ha->func.isintr) (ha);
1370
1371 if (!intrstatus)
1372 break;
1373 else
1374 cstatus.value = (*ha->func.statupd) (ha);
1375
1376 if (cstatus.value == 0xffffffff)
1377 /* No more to process */
1378 break;
1379
1380 if (cstatus.fields.command_id > (IPS_MAX_CMDS - 1)) {
1381 IPS_PRINTK(KERN_WARNING, ha->pcidev,
1382 "Spurious interrupt; no ccb.\n");
1383
1384 continue;
1385 }
1386
1387 ips_chkstatus(ha, &cstatus);
1388 scb = (ips_scb_t *) sp->scb_addr;
1389
1390 /*
1391 * use the callback function to finish things up
1392 * NOTE: interrupts are OFF for this
1393 */
1394 (*scb->callback) (ha, scb);
1395 } /* end while */
1396 return 1;
1397}
1398
1399/****************************************************************************/
1400/* */
1401/* Routine Name: ips_info */
1402/* */
1403/* Routine Description: */
1404/* */
1405/* Return info about the driver */
1406/* */
1407/****************************************************************************/
1408static const char *
1409ips_info(struct Scsi_Host *SH)
1410{
1411 static char buffer[256];
1412 char *bp;
1413 ips_ha_t *ha;
1414
1415 METHOD_TRACE("ips_info", 1);
1416
1417 ha = IPS_HA(SH);
1418
1419 if (!ha)
1420 return (NULL);
1421
1422 bp = &buffer[0];
1423 memset(bp, 0, sizeof (buffer));
1424
1425 sprintf(bp, "%s%s%s Build %d", "IBM PCI ServeRAID ",
1426 IPS_VERSION_HIGH, IPS_VERSION_LOW, IPS_BUILD_IDENT);
1427
1428 if (ha->ad_type > 0 && ha->ad_type <= MAX_ADAPTER_NAME) {
1429 strcat(bp, " <");
1430 strcat(bp, ips_adapter_name[ha->ad_type - 1]);
1431 strcat(bp, ">");
1432 }
1433
1434 return (bp);
1435}
1436
1437static int
1438ips_write_info(struct Scsi_Host *host, char *buffer, int length)
1439{
1440 int i;
1441 ips_ha_t *ha = NULL;
1442
1443 /* Find our host structure */
1444 for (i = 0; i < ips_next_controller; i++) {
1445 if (ips_sh[i]) {
1446 if (ips_sh[i] == host) {
1447 ha = (ips_ha_t *) ips_sh[i]->hostdata;
1448 break;
1449 }
1450 }
1451 }
1452
1453 if (!ha)
1454 return (-EINVAL);
1455
1456 return 0;
1457}
1458
1459static int
1460ips_show_info(struct seq_file *m, struct Scsi_Host *host)
1461{
1462 int i;
1463 ips_ha_t *ha = NULL;
1464
1465 /* Find our host structure */
1466 for (i = 0; i < ips_next_controller; i++) {
1467 if (ips_sh[i]) {
1468 if (ips_sh[i] == host) {
1469 ha = (ips_ha_t *) ips_sh[i]->hostdata;
1470 break;
1471 }
1472 }
1473 }
1474
1475 if (!ha)
1476 return (-EINVAL);
1477
1478 return ips_host_info(ha, m);
1479}
1480
1481/*--------------------------------------------------------------------------*/
1482/* Helper Functions */
1483/*--------------------------------------------------------------------------*/
1484
1485/****************************************************************************/
1486/* */
1487/* Routine Name: ips_is_passthru */
1488/* */
1489/* Routine Description: */
1490/* */
1491/* Determine if the specified SCSI command is really a passthru command */
1492/* */
1493/****************************************************************************/
1494static int ips_is_passthru(struct scsi_cmnd *SC)
1495{
1496 unsigned long flags;
1497
1498 METHOD_TRACE("ips_is_passthru", 1);
1499
1500 if (!SC)
1501 return (0);
1502
1503 if ((SC->cmnd[0] == IPS_IOCTL_COMMAND) &&
1504 (SC->device->channel == 0) &&
1505 (SC->device->id == IPS_ADAPTER_ID) &&
1506 (SC->device->lun == 0) && scsi_sglist(SC)) {
1507 struct scatterlist *sg = scsi_sglist(SC);
1508 char *buffer;
1509
1510 /* kmap_atomic() ensures addressability of the user buffer.*/
1511 /* local_irq_save() protects the KM_IRQ0 address slot. */
1512 local_irq_save(flags);
1513 buffer = kmap_atomic(sg_page(sg)) + sg->offset;
1514 if (buffer && buffer[0] == 'C' && buffer[1] == 'O' &&
1515 buffer[2] == 'P' && buffer[3] == 'P') {
1516 kunmap_atomic(buffer - sg->offset);
1517 local_irq_restore(flags);
1518 return 1;
1519 }
1520 kunmap_atomic(buffer - sg->offset);
1521 local_irq_restore(flags);
1522 }
1523 return 0;
1524}
1525
1526/****************************************************************************/
1527/* */
1528/* Routine Name: ips_alloc_passthru_buffer */
1529/* */
1530/* Routine Description: */
1531/* allocate a buffer large enough for the ioctl data if the ioctl buffer */
1532/* is too small or doesn't exist */
1533/****************************************************************************/
1534static int
1535ips_alloc_passthru_buffer(ips_ha_t * ha, int length)
1536{
1537 void *bigger_buf;
1538 dma_addr_t dma_busaddr;
1539
1540 if (ha->ioctl_data && length <= ha->ioctl_len)
1541 return 0;
1542 /* there is no buffer or it's not big enough, allocate a new one */
1543 bigger_buf = pci_alloc_consistent(ha->pcidev, length, &dma_busaddr);
1544 if (bigger_buf) {
1545 /* free the old memory */
1546 pci_free_consistent(ha->pcidev, ha->ioctl_len, ha->ioctl_data,
1547 ha->ioctl_busaddr);
1548 /* use the new memory */
1549 ha->ioctl_data = (char *) bigger_buf;
1550 ha->ioctl_len = length;
1551 ha->ioctl_busaddr = dma_busaddr;
1552 } else {
1553 return -1;
1554 }
1555 return 0;
1556}
1557
1558/****************************************************************************/
1559/* */
1560/* Routine Name: ips_make_passthru */
1561/* */
1562/* Routine Description: */
1563/* */
1564/* Make a passthru command out of the info in the Scsi block */
1565/* */
1566/****************************************************************************/
1567static int
1568ips_make_passthru(ips_ha_t *ha, struct scsi_cmnd *SC, ips_scb_t *scb, int intr)
1569{
1570 ips_passthru_t *pt;
1571 int length = 0;
1572 int i, ret;
1573 struct scatterlist *sg = scsi_sglist(SC);
1574
1575 METHOD_TRACE("ips_make_passthru", 1);
1576
1577 scsi_for_each_sg(SC, sg, scsi_sg_count(SC), i)
1578 length += sg->length;
1579
1580 if (length < sizeof (ips_passthru_t)) {
1581 /* wrong size */
1582 DEBUG_VAR(1, "(%s%d) Passthru structure wrong size",
1583 ips_name, ha->host_num);
1584 return (IPS_FAILURE);
1585 }
1586 if (ips_alloc_passthru_buffer(ha, length)) {
1587 /* allocation failure! If ha->ioctl_data exists, use it to return
1588 some error codes. Return a failed command to the scsi layer. */
1589 if (ha->ioctl_data) {
1590 pt = (ips_passthru_t *) ha->ioctl_data;
1591 ips_scmd_buf_read(SC, pt, sizeof (ips_passthru_t));
1592 pt->BasicStatus = 0x0B;
1593 pt->ExtendedStatus = 0x00;
1594 ips_scmd_buf_write(SC, pt, sizeof (ips_passthru_t));
1595 }
1596 return IPS_FAILURE;
1597 }
1598 ha->ioctl_datasize = length;
1599
1600 ips_scmd_buf_read(SC, ha->ioctl_data, ha->ioctl_datasize);
1601 pt = (ips_passthru_t *) ha->ioctl_data;
1602
1603 /*
1604 * Some notes about the passthru interface used
1605 *
1606 * IF the scsi op_code == 0x0d then we assume
1607 * that the data came along with/goes with the
1608 * packet we received from the sg driver. In this
1609 * case the CmdBSize field of the pt structure is
1610 * used for the size of the buffer.
1611 */
1612
1613 switch (pt->CoppCmd) {
1614 case IPS_NUMCTRLS:
1615 memcpy(ha->ioctl_data + sizeof (ips_passthru_t),
1616 &ips_num_controllers, sizeof (int));
1617 ips_scmd_buf_write(SC, ha->ioctl_data,
1618 sizeof (ips_passthru_t) + sizeof (int));
1619 SC->result = DID_OK << 16;
1620
1621 return (IPS_SUCCESS_IMM);
1622
1623 case IPS_COPPUSRCMD:
1624 case IPS_COPPIOCCMD:
1625 if (SC->cmnd[0] == IPS_IOCTL_COMMAND) {
1626 if (length < (sizeof (ips_passthru_t) + pt->CmdBSize)) {
1627 /* wrong size */
1628 DEBUG_VAR(1,
1629 "(%s%d) Passthru structure wrong size",
1630 ips_name, ha->host_num);
1631
1632 return (IPS_FAILURE);
1633 }
1634
1635 if (ha->pcidev->device == IPS_DEVICEID_COPPERHEAD &&
1636 pt->CoppCP.cmd.flashfw.op_code ==
1637 IPS_CMD_RW_BIOSFW) {
1638 ret = ips_flash_copperhead(ha, pt, scb);
1639 ips_scmd_buf_write(SC, ha->ioctl_data,
1640 sizeof (ips_passthru_t));
1641 return ret;
1642 }
1643 if (ips_usrcmd(ha, pt, scb))
1644 return (IPS_SUCCESS);
1645 else
1646 return (IPS_FAILURE);
1647 }
1648
1649 break;
1650
1651 } /* end switch */
1652
1653 return (IPS_FAILURE);
1654}
1655
1656/****************************************************************************/
1657/* Routine Name: ips_flash_copperhead */
1658/* Routine Description: */
1659/* Flash the BIOS/FW on a Copperhead style controller */
1660/****************************************************************************/
1661static int
1662ips_flash_copperhead(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1663{
1664 int datasize;
1665
1666 /* Trombone is the only copperhead that can do packet flash, but only
1667 * for firmware. No one said it had to make sense. */
1668 if (IPS_IS_TROMBONE(ha) && pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE) {
1669 if (ips_usrcmd(ha, pt, scb))
1670 return IPS_SUCCESS;
1671 else
1672 return IPS_FAILURE;
1673 }
1674 pt->BasicStatus = 0x0B;
1675 pt->ExtendedStatus = 0;
1676 scb->scsi_cmd->result = DID_OK << 16;
1677 /* IF it's OK to Use the "CD BOOT" Flash Buffer, then you can */
1678 /* avoid allocating a huge buffer per adapter ( which can fail ). */
1679 if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE &&
1680 pt->CoppCP.cmd.flashfw.direction == IPS_ERASE_BIOS) {
1681 pt->BasicStatus = 0;
1682 return ips_flash_bios(ha, pt, scb);
1683 } else if (pt->CoppCP.cmd.flashfw.packet_num == 0) {
1684 if (ips_FlashData && !test_and_set_bit(0, &ips_FlashDataInUse)){
1685 ha->flash_data = ips_FlashData;
1686 ha->flash_busaddr = ips_flashbusaddr;
1687 ha->flash_len = PAGE_SIZE << 7;
1688 ha->flash_datasize = 0;
1689 } else if (!ha->flash_data) {
1690 datasize = pt->CoppCP.cmd.flashfw.total_packets *
1691 pt->CoppCP.cmd.flashfw.count;
1692 ha->flash_data = pci_alloc_consistent(ha->pcidev,
1693 datasize,
1694 &ha->flash_busaddr);
1695 if (!ha->flash_data){
1696 printk(KERN_WARNING "Unable to allocate a flash buffer\n");
1697 return IPS_FAILURE;
1698 }
1699 ha->flash_datasize = 0;
1700 ha->flash_len = datasize;
1701 } else
1702 return IPS_FAILURE;
1703 } else {
1704 if (pt->CoppCP.cmd.flashfw.count + ha->flash_datasize >
1705 ha->flash_len) {
1706 ips_free_flash_copperhead(ha);
1707 IPS_PRINTK(KERN_WARNING, ha->pcidev,
1708 "failed size sanity check\n");
1709 return IPS_FAILURE;
1710 }
1711 }
1712 if (!ha->flash_data)
1713 return IPS_FAILURE;
1714 pt->BasicStatus = 0;
1715 memcpy(&ha->flash_data[ha->flash_datasize], pt + 1,
1716 pt->CoppCP.cmd.flashfw.count);
1717 ha->flash_datasize += pt->CoppCP.cmd.flashfw.count;
1718 if (pt->CoppCP.cmd.flashfw.packet_num ==
1719 pt->CoppCP.cmd.flashfw.total_packets - 1) {
1720 if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE)
1721 return ips_flash_bios(ha, pt, scb);
1722 else if (pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE)
1723 return ips_flash_firmware(ha, pt, scb);
1724 }
1725 return IPS_SUCCESS_IMM;
1726}
1727
1728/****************************************************************************/
1729/* Routine Name: ips_flash_bios */
1730/* Routine Description: */
1731/* flashes the bios of a copperhead adapter */
1732/****************************************************************************/
1733static int
1734ips_flash_bios(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1735{
1736
1737 if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE &&
1738 pt->CoppCP.cmd.flashfw.direction == IPS_WRITE_BIOS) {
1739 if ((!ha->func.programbios) || (!ha->func.erasebios) ||
1740 (!ha->func.verifybios))
1741 goto error;
1742 if ((*ha->func.erasebios) (ha)) {
1743 DEBUG_VAR(1,
1744 "(%s%d) flash bios failed - unable to erase flash",
1745 ips_name, ha->host_num);
1746 goto error;
1747 } else
1748 if ((*ha->func.programbios) (ha,
1749 ha->flash_data +
1750 IPS_BIOS_HEADER,
1751 ha->flash_datasize -
1752 IPS_BIOS_HEADER, 0)) {
1753 DEBUG_VAR(1,
1754 "(%s%d) flash bios failed - unable to flash",
1755 ips_name, ha->host_num);
1756 goto error;
1757 } else
1758 if ((*ha->func.verifybios) (ha,
1759 ha->flash_data +
1760 IPS_BIOS_HEADER,
1761 ha->flash_datasize -
1762 IPS_BIOS_HEADER, 0)) {
1763 DEBUG_VAR(1,
1764 "(%s%d) flash bios failed - unable to verify flash",
1765 ips_name, ha->host_num);
1766 goto error;
1767 }
1768 ips_free_flash_copperhead(ha);
1769 return IPS_SUCCESS_IMM;
1770 } else if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE &&
1771 pt->CoppCP.cmd.flashfw.direction == IPS_ERASE_BIOS) {
1772 if (!ha->func.erasebios)
1773 goto error;
1774 if ((*ha->func.erasebios) (ha)) {
1775 DEBUG_VAR(1,
1776 "(%s%d) flash bios failed - unable to erase flash",
1777 ips_name, ha->host_num);
1778 goto error;
1779 }
1780 return IPS_SUCCESS_IMM;
1781 }
1782 error:
1783 pt->BasicStatus = 0x0B;
1784 pt->ExtendedStatus = 0x00;
1785 ips_free_flash_copperhead(ha);
1786 return IPS_FAILURE;
1787}
1788
1789/****************************************************************************/
1790/* */
1791/* Routine Name: ips_fill_scb_sg_single */
1792/* */
1793/* Routine Description: */
1794/* Fill in a single scb sg_list element from an address */
1795/* return a -1 if a breakup occurred */
1796/****************************************************************************/
1797static int
1798ips_fill_scb_sg_single(ips_ha_t * ha, dma_addr_t busaddr,
1799 ips_scb_t * scb, int indx, unsigned int e_len)
1800{
1801
1802 int ret_val = 0;
1803
1804 if ((scb->data_len + e_len) > ha->max_xfer) {
1805 e_len = ha->max_xfer - scb->data_len;
1806 scb->breakup = indx;
1807 ++scb->sg_break;
1808 ret_val = -1;
1809 } else {
1810 scb->breakup = 0;
1811 scb->sg_break = 0;
1812 }
1813 if (IPS_USE_ENH_SGLIST(ha)) {
1814 scb->sg_list.enh_list[indx].address_lo =
1815 cpu_to_le32(pci_dma_lo32(busaddr));
1816 scb->sg_list.enh_list[indx].address_hi =
1817 cpu_to_le32(pci_dma_hi32(busaddr));
1818 scb->sg_list.enh_list[indx].length = cpu_to_le32(e_len);
1819 } else {
1820 scb->sg_list.std_list[indx].address =
1821 cpu_to_le32(pci_dma_lo32(busaddr));
1822 scb->sg_list.std_list[indx].length = cpu_to_le32(e_len);
1823 }
1824
1825 ++scb->sg_len;
1826 scb->data_len += e_len;
1827 return ret_val;
1828}
1829
1830/****************************************************************************/
1831/* Routine Name: ips_flash_firmware */
1832/* Routine Description: */
1833/* flashes the firmware of a copperhead adapter */
1834/****************************************************************************/
1835static int
1836ips_flash_firmware(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1837{
1838 IPS_SG_LIST sg_list;
1839 uint32_t cmd_busaddr;
1840
1841 if (pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE &&
1842 pt->CoppCP.cmd.flashfw.direction == IPS_WRITE_FW) {
1843 memset(&pt->CoppCP.cmd, 0, sizeof (IPS_HOST_COMMAND));
1844 pt->CoppCP.cmd.flashfw.op_code = IPS_CMD_DOWNLOAD;
1845 pt->CoppCP.cmd.flashfw.count = cpu_to_le32(ha->flash_datasize);
1846 } else {
1847 pt->BasicStatus = 0x0B;
1848 pt->ExtendedStatus = 0x00;
1849 ips_free_flash_copperhead(ha);
1850 return IPS_FAILURE;
1851 }
1852 /* Save the S/G list pointer so it doesn't get clobbered */
1853 sg_list.list = scb->sg_list.list;
1854 cmd_busaddr = scb->scb_busaddr;
1855 /* copy in the CP */
1856 memcpy(&scb->cmd, &pt->CoppCP.cmd, sizeof (IPS_IOCTL_CMD));
1857 /* FIX stuff that might be wrong */
1858 scb->sg_list.list = sg_list.list;
1859 scb->scb_busaddr = cmd_busaddr;
1860 scb->bus = scb->scsi_cmd->device->channel;
1861 scb->target_id = scb->scsi_cmd->device->id;
1862 scb->lun = scb->scsi_cmd->device->lun;
1863 scb->sg_len = 0;
1864 scb->data_len = 0;
1865 scb->flags = 0;
1866 scb->op_code = 0;
1867 scb->callback = ipsintr_done;
1868 scb->timeout = ips_cmd_timeout;
1869
1870 scb->data_len = ha->flash_datasize;
1871 scb->data_busaddr =
1872 pci_map_single(ha->pcidev, ha->flash_data, scb->data_len,
1873 IPS_DMA_DIR(scb));
1874 scb->flags |= IPS_SCB_MAP_SINGLE;
1875 scb->cmd.flashfw.command_id = IPS_COMMAND_ID(ha, scb);
1876 scb->cmd.flashfw.buffer_addr = cpu_to_le32(scb->data_busaddr);
1877 if (pt->TimeOut)
1878 scb->timeout = pt->TimeOut;
1879 scb->scsi_cmd->result = DID_OK << 16;
1880 return IPS_SUCCESS;
1881}
1882
1883/****************************************************************************/
1884/* Routine Name: ips_free_flash_copperhead */
1885/* Routine Description: */
1886/* release the memory resources used to hold the flash image */
1887/****************************************************************************/
1888static void
1889ips_free_flash_copperhead(ips_ha_t * ha)
1890{
1891 if (ha->flash_data == ips_FlashData)
1892 test_and_clear_bit(0, &ips_FlashDataInUse);
1893 else if (ha->flash_data)
1894 pci_free_consistent(ha->pcidev, ha->flash_len, ha->flash_data,
1895 ha->flash_busaddr);
1896 ha->flash_data = NULL;
1897}
1898
1899/****************************************************************************/
1900/* */
1901/* Routine Name: ips_usrcmd */
1902/* */
1903/* Routine Description: */
1904/* */
1905/* Process a user command and make it ready to send */
1906/* */
1907/****************************************************************************/
1908static int
1909ips_usrcmd(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1910{
1911 IPS_SG_LIST sg_list;
1912 uint32_t cmd_busaddr;
1913
1914 METHOD_TRACE("ips_usrcmd", 1);
1915
1916 if ((!scb) || (!pt) || (!ha))
1917 return (0);
1918
1919 /* Save the S/G list pointer so it doesn't get clobbered */
1920 sg_list.list = scb->sg_list.list;
1921 cmd_busaddr = scb->scb_busaddr;
1922 /* copy in the CP */
1923 memcpy(&scb->cmd, &pt->CoppCP.cmd, sizeof (IPS_IOCTL_CMD));
1924 memcpy(&scb->dcdb, &pt->CoppCP.dcdb, sizeof (IPS_DCDB_TABLE));
1925
1926 /* FIX stuff that might be wrong */
1927 scb->sg_list.list = sg_list.list;
1928 scb->scb_busaddr = cmd_busaddr;
1929 scb->bus = scb->scsi_cmd->device->channel;
1930 scb->target_id = scb->scsi_cmd->device->id;
1931 scb->lun = scb->scsi_cmd->device->lun;
1932 scb->sg_len = 0;
1933 scb->data_len = 0;
1934 scb->flags = 0;
1935 scb->op_code = 0;
1936 scb->callback = ipsintr_done;
1937 scb->timeout = ips_cmd_timeout;
1938 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
1939
1940 /* we don't support DCDB/READ/WRITE Scatter Gather */
1941 if ((scb->cmd.basic_io.op_code == IPS_CMD_READ_SG) ||
1942 (scb->cmd.basic_io.op_code == IPS_CMD_WRITE_SG) ||
1943 (scb->cmd.basic_io.op_code == IPS_CMD_DCDB_SG))
1944 return (0);
1945
1946 if (pt->CmdBSize) {
1947 scb->data_len = pt->CmdBSize;
1948 scb->data_busaddr = ha->ioctl_busaddr + sizeof (ips_passthru_t);
1949 } else {
1950 scb->data_busaddr = 0L;
1951 }
1952
1953 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB)
1954 scb->cmd.dcdb.dcdb_address = cpu_to_le32(scb->scb_busaddr +
1955 (unsigned long) &scb->
1956 dcdb -
1957 (unsigned long) scb);
1958
1959 if (pt->CmdBSize) {
1960 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB)
1961 scb->dcdb.buffer_pointer =
1962 cpu_to_le32(scb->data_busaddr);
1963 else
1964 scb->cmd.basic_io.sg_addr =
1965 cpu_to_le32(scb->data_busaddr);
1966 }
1967
1968 /* set timeouts */
1969 if (pt->TimeOut) {
1970 scb->timeout = pt->TimeOut;
1971
1972 if (pt->TimeOut <= 10)
1973 scb->dcdb.cmd_attribute |= IPS_TIMEOUT10;
1974 else if (pt->TimeOut <= 60)
1975 scb->dcdb.cmd_attribute |= IPS_TIMEOUT60;
1976 else
1977 scb->dcdb.cmd_attribute |= IPS_TIMEOUT20M;
1978 }
1979
1980 /* assume success */
1981 scb->scsi_cmd->result = DID_OK << 16;
1982
1983 /* success */
1984 return (1);
1985}
1986
1987/****************************************************************************/
1988/* */
1989/* Routine Name: ips_cleanup_passthru */
1990/* */
1991/* Routine Description: */
1992/* */
1993/* Cleanup after a passthru command */
1994/* */
1995/****************************************************************************/
1996static void
1997ips_cleanup_passthru(ips_ha_t * ha, ips_scb_t * scb)
1998{
1999 ips_passthru_t *pt;
2000
2001 METHOD_TRACE("ips_cleanup_passthru", 1);
2002
2003 if ((!scb) || (!scb->scsi_cmd) || (!scsi_sglist(scb->scsi_cmd))) {
2004 DEBUG_VAR(1, "(%s%d) couldn't cleanup after passthru",
2005 ips_name, ha->host_num);
2006
2007 return;
2008 }
2009 pt = (ips_passthru_t *) ha->ioctl_data;
2010
2011 /* Copy data back to the user */
2012 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB) /* Copy DCDB Back to Caller's Area */
2013 memcpy(&pt->CoppCP.dcdb, &scb->dcdb, sizeof (IPS_DCDB_TABLE));
2014
2015 pt->BasicStatus = scb->basic_status;
2016 pt->ExtendedStatus = scb->extended_status;
2017 pt->AdapterType = ha->ad_type;
2018
2019 if (ha->pcidev->device == IPS_DEVICEID_COPPERHEAD &&
2020 (scb->cmd.flashfw.op_code == IPS_CMD_DOWNLOAD ||
2021 scb->cmd.flashfw.op_code == IPS_CMD_RW_BIOSFW))
2022 ips_free_flash_copperhead(ha);
2023
2024 ips_scmd_buf_write(scb->scsi_cmd, ha->ioctl_data, ha->ioctl_datasize);
2025}
2026
2027/****************************************************************************/
2028/* */
2029/* Routine Name: ips_host_info */
2030/* */
2031/* Routine Description: */
2032/* */
2033/* The passthru interface for the driver */
2034/* */
2035/****************************************************************************/
2036static int
2037ips_host_info(ips_ha_t *ha, struct seq_file *m)
2038{
2039 METHOD_TRACE("ips_host_info", 1);
2040
2041 seq_printf(m, "\nIBM ServeRAID General Information:\n\n");
2042
2043 if ((le32_to_cpu(ha->nvram->signature) == IPS_NVRAM_P5_SIG) &&
2044 (le16_to_cpu(ha->nvram->adapter_type) != 0))
2045 seq_printf(m, "\tController Type : %s\n",
2046 ips_adapter_name[ha->ad_type - 1]);
2047 else
2048 seq_printf(m,
2049 "\tController Type : Unknown\n");
2050
2051 if (ha->io_addr)
2052 seq_printf(m,
2053 "\tIO region : 0x%x (%d bytes)\n",
2054 ha->io_addr, ha->io_len);
2055
2056 if (ha->mem_addr) {
2057 seq_printf(m,
2058 "\tMemory region : 0x%x (%d bytes)\n",
2059 ha->mem_addr, ha->mem_len);
2060 seq_printf(m,
2061 "\tShared memory address : 0x%lx\n",
2062 (unsigned long)ha->mem_ptr);
2063 }
2064
2065 seq_printf(m, "\tIRQ number : %d\n", ha->pcidev->irq);
2066
2067 /* For the Next 3 lines Check for Binary 0 at the end and don't include it if it's there. */
2068 /* That keeps everything happy for "text" operations on the proc file. */
2069
2070 if (le32_to_cpu(ha->nvram->signature) == IPS_NVRAM_P5_SIG) {
2071 if (ha->nvram->bios_low[3] == 0) {
2072 seq_printf(m,
2073 "\tBIOS Version : %c%c%c%c%c%c%c\n",
2074 ha->nvram->bios_high[0], ha->nvram->bios_high[1],
2075 ha->nvram->bios_high[2], ha->nvram->bios_high[3],
2076 ha->nvram->bios_low[0], ha->nvram->bios_low[1],
2077 ha->nvram->bios_low[2]);
2078
2079 } else {
2080 seq_printf(m,
2081 "\tBIOS Version : %c%c%c%c%c%c%c%c\n",
2082 ha->nvram->bios_high[0], ha->nvram->bios_high[1],
2083 ha->nvram->bios_high[2], ha->nvram->bios_high[3],
2084 ha->nvram->bios_low[0], ha->nvram->bios_low[1],
2085 ha->nvram->bios_low[2], ha->nvram->bios_low[3]);
2086 }
2087
2088 }
2089
2090 if (ha->enq->CodeBlkVersion[7] == 0) {
2091 seq_printf(m,
2092 "\tFirmware Version : %c%c%c%c%c%c%c\n",
2093 ha->enq->CodeBlkVersion[0], ha->enq->CodeBlkVersion[1],
2094 ha->enq->CodeBlkVersion[2], ha->enq->CodeBlkVersion[3],
2095 ha->enq->CodeBlkVersion[4], ha->enq->CodeBlkVersion[5],
2096 ha->enq->CodeBlkVersion[6]);
2097 } else {
2098 seq_printf(m,
2099 "\tFirmware Version : %c%c%c%c%c%c%c%c\n",
2100 ha->enq->CodeBlkVersion[0], ha->enq->CodeBlkVersion[1],
2101 ha->enq->CodeBlkVersion[2], ha->enq->CodeBlkVersion[3],
2102 ha->enq->CodeBlkVersion[4], ha->enq->CodeBlkVersion[5],
2103 ha->enq->CodeBlkVersion[6], ha->enq->CodeBlkVersion[7]);
2104 }
2105
2106 if (ha->enq->BootBlkVersion[7] == 0) {
2107 seq_printf(m,
2108 "\tBoot Block Version : %c%c%c%c%c%c%c\n",
2109 ha->enq->BootBlkVersion[0], ha->enq->BootBlkVersion[1],
2110 ha->enq->BootBlkVersion[2], ha->enq->BootBlkVersion[3],
2111 ha->enq->BootBlkVersion[4], ha->enq->BootBlkVersion[5],
2112 ha->enq->BootBlkVersion[6]);
2113 } else {
2114 seq_printf(m,
2115 "\tBoot Block Version : %c%c%c%c%c%c%c%c\n",
2116 ha->enq->BootBlkVersion[0], ha->enq->BootBlkVersion[1],
2117 ha->enq->BootBlkVersion[2], ha->enq->BootBlkVersion[3],
2118 ha->enq->BootBlkVersion[4], ha->enq->BootBlkVersion[5],
2119 ha->enq->BootBlkVersion[6], ha->enq->BootBlkVersion[7]);
2120 }
2121
2122 seq_printf(m, "\tDriver Version : %s%s\n",
2123 IPS_VERSION_HIGH, IPS_VERSION_LOW);
2124
2125 seq_printf(m, "\tDriver Build : %d\n",
2126 IPS_BUILD_IDENT);
2127
2128 seq_printf(m, "\tMax Physical Devices : %d\n",
2129 ha->enq->ucMaxPhysicalDevices);
2130 seq_printf(m, "\tMax Active Commands : %d\n",
2131 ha->max_cmds);
2132 seq_printf(m, "\tCurrent Queued Commands : %d\n",
2133 ha->scb_waitlist.count);
2134 seq_printf(m, "\tCurrent Active Commands : %d\n",
2135 ha->scb_activelist.count - ha->num_ioctl);
2136 seq_printf(m, "\tCurrent Queued PT Commands : %d\n",
2137 ha->copp_waitlist.count);
2138 seq_printf(m, "\tCurrent Active PT Commands : %d\n",
2139 ha->num_ioctl);
2140
2141 seq_printf(m, "\n");
2142
2143 return 0;
2144}
2145
2146/****************************************************************************/
2147/* */
2148/* Routine Name: ips_identify_controller */
2149/* */
2150/* Routine Description: */
2151/* */
2152/* Identify this controller */
2153/* */
2154/****************************************************************************/
2155static void
2156ips_identify_controller(ips_ha_t * ha)
2157{
2158 METHOD_TRACE("ips_identify_controller", 1);
2159
2160 switch (ha->pcidev->device) {
2161 case IPS_DEVICEID_COPPERHEAD:
2162 if (ha->pcidev->revision <= IPS_REVID_SERVERAID) {
2163 ha->ad_type = IPS_ADTYPE_SERVERAID;
2164 } else if (ha->pcidev->revision == IPS_REVID_SERVERAID2) {
2165 ha->ad_type = IPS_ADTYPE_SERVERAID2;
2166 } else if (ha->pcidev->revision == IPS_REVID_NAVAJO) {
2167 ha->ad_type = IPS_ADTYPE_NAVAJO;
2168 } else if ((ha->pcidev->revision == IPS_REVID_SERVERAID2)
2169 && (ha->slot_num == 0)) {
2170 ha->ad_type = IPS_ADTYPE_KIOWA;
2171 } else if ((ha->pcidev->revision >= IPS_REVID_CLARINETP1) &&
2172 (ha->pcidev->revision <= IPS_REVID_CLARINETP3)) {
2173 if (ha->enq->ucMaxPhysicalDevices == 15)
2174 ha->ad_type = IPS_ADTYPE_SERVERAID3L;
2175 else
2176 ha->ad_type = IPS_ADTYPE_SERVERAID3;
2177 } else if ((ha->pcidev->revision >= IPS_REVID_TROMBONE32) &&
2178 (ha->pcidev->revision <= IPS_REVID_TROMBONE64)) {
2179 ha->ad_type = IPS_ADTYPE_SERVERAID4H;
2180 }
2181 break;
2182
2183 case IPS_DEVICEID_MORPHEUS:
2184 switch (ha->pcidev->subsystem_device) {
2185 case IPS_SUBDEVICEID_4L:
2186 ha->ad_type = IPS_ADTYPE_SERVERAID4L;
2187 break;
2188
2189 case IPS_SUBDEVICEID_4M:
2190 ha->ad_type = IPS_ADTYPE_SERVERAID4M;
2191 break;
2192
2193 case IPS_SUBDEVICEID_4MX:
2194 ha->ad_type = IPS_ADTYPE_SERVERAID4MX;
2195 break;
2196
2197 case IPS_SUBDEVICEID_4LX:
2198 ha->ad_type = IPS_ADTYPE_SERVERAID4LX;
2199 break;
2200
2201 case IPS_SUBDEVICEID_5I2:
2202 ha->ad_type = IPS_ADTYPE_SERVERAID5I2;
2203 break;
2204
2205 case IPS_SUBDEVICEID_5I1:
2206 ha->ad_type = IPS_ADTYPE_SERVERAID5I1;
2207 break;
2208 }
2209
2210 break;
2211
2212 case IPS_DEVICEID_MARCO:
2213 switch (ha->pcidev->subsystem_device) {
2214 case IPS_SUBDEVICEID_6M:
2215 ha->ad_type = IPS_ADTYPE_SERVERAID6M;
2216 break;
2217 case IPS_SUBDEVICEID_6I:
2218 ha->ad_type = IPS_ADTYPE_SERVERAID6I;
2219 break;
2220 case IPS_SUBDEVICEID_7k:
2221 ha->ad_type = IPS_ADTYPE_SERVERAID7k;
2222 break;
2223 case IPS_SUBDEVICEID_7M:
2224 ha->ad_type = IPS_ADTYPE_SERVERAID7M;
2225 break;
2226 }
2227 break;
2228 }
2229}
2230
2231/****************************************************************************/
2232/* */
2233/* Routine Name: ips_get_bios_version */
2234/* */
2235/* Routine Description: */
2236/* */
2237/* Get the BIOS revision number */
2238/* */
2239/****************************************************************************/
2240static void
2241ips_get_bios_version(ips_ha_t * ha, int intr)
2242{
2243 ips_scb_t *scb;
2244 int ret;
2245 uint8_t major;
2246 uint8_t minor;
2247 uint8_t subminor;
2248 uint8_t *buffer;
2249 char hexDigits[] =
2250 { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C',
2251 'D', 'E', 'F' };
2252
2253 METHOD_TRACE("ips_get_bios_version", 1);
2254
2255 major = 0;
2256 minor = 0;
2257
2258 strncpy(ha->bios_version, " ?", 8);
2259
2260 if (ha->pcidev->device == IPS_DEVICEID_COPPERHEAD) {
2261 if (IPS_USE_MEMIO(ha)) {
2262 /* Memory Mapped I/O */
2263
2264 /* test 1st byte */
2265 writel(0, ha->mem_ptr + IPS_REG_FLAP);
2266 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2267 udelay(25); /* 25 us */
2268
2269 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0x55)
2270 return;
2271
2272 writel(1, ha->mem_ptr + IPS_REG_FLAP);
2273 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2274 udelay(25); /* 25 us */
2275
2276 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0xAA)
2277 return;
2278
2279 /* Get Major version */
2280 writel(0x1FF, ha->mem_ptr + IPS_REG_FLAP);
2281 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2282 udelay(25); /* 25 us */
2283
2284 major = readb(ha->mem_ptr + IPS_REG_FLDP);
2285
2286 /* Get Minor version */
2287 writel(0x1FE, ha->mem_ptr + IPS_REG_FLAP);
2288 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2289 udelay(25); /* 25 us */
2290 minor = readb(ha->mem_ptr + IPS_REG_FLDP);
2291
2292 /* Get SubMinor version */
2293 writel(0x1FD, ha->mem_ptr + IPS_REG_FLAP);
2294 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2295 udelay(25); /* 25 us */
2296 subminor = readb(ha->mem_ptr + IPS_REG_FLDP);
2297
2298 } else {
2299 /* Programmed I/O */
2300
2301 /* test 1st byte */
2302 outl(0, ha->io_addr + IPS_REG_FLAP);
2303 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2304 udelay(25); /* 25 us */
2305
2306 if (inb(ha->io_addr + IPS_REG_FLDP) != 0x55)
2307 return;
2308
2309 outl(1, ha->io_addr + IPS_REG_FLAP);
2310 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2311 udelay(25); /* 25 us */
2312
2313 if (inb(ha->io_addr + IPS_REG_FLDP) != 0xAA)
2314 return;
2315
2316 /* Get Major version */
2317 outl(0x1FF, ha->io_addr + IPS_REG_FLAP);
2318 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2319 udelay(25); /* 25 us */
2320
2321 major = inb(ha->io_addr + IPS_REG_FLDP);
2322
2323 /* Get Minor version */
2324 outl(0x1FE, ha->io_addr + IPS_REG_FLAP);
2325 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2326 udelay(25); /* 25 us */
2327
2328 minor = inb(ha->io_addr + IPS_REG_FLDP);
2329
2330 /* Get SubMinor version */
2331 outl(0x1FD, ha->io_addr + IPS_REG_FLAP);
2332 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2333 udelay(25); /* 25 us */
2334
2335 subminor = inb(ha->io_addr + IPS_REG_FLDP);
2336
2337 }
2338 } else {
2339 /* Morpheus Family - Send Command to the card */
2340
2341 buffer = ha->ioctl_data;
2342
2343 memset(buffer, 0, 0x1000);
2344
2345 scb = &ha->scbs[ha->max_cmds - 1];
2346
2347 ips_init_scb(ha, scb);
2348
2349 scb->timeout = ips_cmd_timeout;
2350 scb->cdb[0] = IPS_CMD_RW_BIOSFW;
2351
2352 scb->cmd.flashfw.op_code = IPS_CMD_RW_BIOSFW;
2353 scb->cmd.flashfw.command_id = IPS_COMMAND_ID(ha, scb);
2354 scb->cmd.flashfw.type = 1;
2355 scb->cmd.flashfw.direction = 0;
2356 scb->cmd.flashfw.count = cpu_to_le32(0x800);
2357 scb->cmd.flashfw.total_packets = 1;
2358 scb->cmd.flashfw.packet_num = 0;
2359 scb->data_len = 0x1000;
2360 scb->cmd.flashfw.buffer_addr = ha->ioctl_busaddr;
2361
2362 /* issue the command */
2363 if (((ret =
2364 ips_send_wait(ha, scb, ips_cmd_timeout,
2365 intr)) == IPS_FAILURE)
2366 || (ret == IPS_SUCCESS_IMM)
2367 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) {
2368 /* Error occurred */
2369
2370 return;
2371 }
2372
2373 if ((buffer[0xC0] == 0x55) && (buffer[0xC1] == 0xAA)) {
2374 major = buffer[0x1ff + 0xC0]; /* Offset 0x1ff after the header (0xc0) */
2375 minor = buffer[0x1fe + 0xC0]; /* Offset 0x1fe after the header (0xc0) */
2376 subminor = buffer[0x1fd + 0xC0]; /* Offset 0x1fd after the header (0xc0) */
2377 } else {
2378 return;
2379 }
2380 }
2381
2382 ha->bios_version[0] = hexDigits[(major & 0xF0) >> 4];
2383 ha->bios_version[1] = '.';
2384 ha->bios_version[2] = hexDigits[major & 0x0F];
2385 ha->bios_version[3] = hexDigits[subminor];
2386 ha->bios_version[4] = '.';
2387 ha->bios_version[5] = hexDigits[(minor & 0xF0) >> 4];
2388 ha->bios_version[6] = hexDigits[minor & 0x0F];
2389 ha->bios_version[7] = 0;
2390}
2391
2392/****************************************************************************/
2393/* */
2394/* Routine Name: ips_hainit */
2395/* */
2396/* Routine Description: */
2397/* */
2398/* Initialize the controller */
2399/* */
2400/* NOTE: Assumes to be called from with a lock */
2401/* */
2402/****************************************************************************/
2403static int
2404ips_hainit(ips_ha_t * ha)
2405{
2406 int i;
2407 struct timeval tv;
2408
2409 METHOD_TRACE("ips_hainit", 1);
2410
2411 if (!ha)
2412 return (0);
2413
2414 if (ha->func.statinit)
2415 (*ha->func.statinit) (ha);
2416
2417 if (ha->func.enableint)
2418 (*ha->func.enableint) (ha);
2419
2420 /* Send FFDC */
2421 ha->reset_count = 1;
2422 do_gettimeofday(&tv);
2423 ha->last_ffdc = tv.tv_sec;
2424 ips_ffdc_reset(ha, IPS_INTR_IORL);
2425
2426 if (!ips_read_config(ha, IPS_INTR_IORL)) {
2427 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2428 "unable to read config from controller.\n");
2429
2430 return (0);
2431 }
2432 /* end if */
2433 if (!ips_read_adapter_status(ha, IPS_INTR_IORL)) {
2434 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2435 "unable to read controller status.\n");
2436
2437 return (0);
2438 }
2439
2440 /* Identify this controller */
2441 ips_identify_controller(ha);
2442
2443 if (!ips_read_subsystem_parameters(ha, IPS_INTR_IORL)) {
2444 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2445 "unable to read subsystem parameters.\n");
2446
2447 return (0);
2448 }
2449
2450 /* write nvram user page 5 */
2451 if (!ips_write_driver_status(ha, IPS_INTR_IORL)) {
2452 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2453 "unable to write driver info to controller.\n");
2454
2455 return (0);
2456 }
2457
2458 /* If there are Logical Drives and a Reset Occurred, then an EraseStripeLock is Needed */
2459 if ((ha->conf->ucLogDriveCount > 0) && (ha->requires_esl == 1))
2460 ips_clear_adapter(ha, IPS_INTR_IORL);
2461
2462 /* set limits on SID, LUN, BUS */
2463 ha->ntargets = IPS_MAX_TARGETS + 1;
2464 ha->nlun = 1;
2465 ha->nbus = (ha->enq->ucMaxPhysicalDevices / IPS_MAX_TARGETS) + 1;
2466
2467 switch (ha->conf->logical_drive[0].ucStripeSize) {
2468 case 4:
2469 ha->max_xfer = 0x10000;
2470 break;
2471
2472 case 5:
2473 ha->max_xfer = 0x20000;
2474 break;
2475
2476 case 6:
2477 ha->max_xfer = 0x40000;
2478 break;
2479
2480 case 7:
2481 default:
2482 ha->max_xfer = 0x80000;
2483 break;
2484 }
2485
2486 /* setup max concurrent commands */
2487 if (le32_to_cpu(ha->subsys->param[4]) & 0x1) {
2488 /* Use the new method */
2489 ha->max_cmds = ha->enq->ucConcurrentCmdCount;
2490 } else {
2491 /* use the old method */
2492 switch (ha->conf->logical_drive[0].ucStripeSize) {
2493 case 4:
2494 ha->max_cmds = 32;
2495 break;
2496
2497 case 5:
2498 ha->max_cmds = 16;
2499 break;
2500
2501 case 6:
2502 ha->max_cmds = 8;
2503 break;
2504
2505 case 7:
2506 default:
2507 ha->max_cmds = 4;
2508 break;
2509 }
2510 }
2511
2512 /* Limit the Active Commands on a Lite Adapter */
2513 if ((ha->ad_type == IPS_ADTYPE_SERVERAID3L) ||
2514 (ha->ad_type == IPS_ADTYPE_SERVERAID4L) ||
2515 (ha->ad_type == IPS_ADTYPE_SERVERAID4LX)) {
2516 if ((ha->max_cmds > MaxLiteCmds) && (MaxLiteCmds))
2517 ha->max_cmds = MaxLiteCmds;
2518 }
2519
2520 /* set controller IDs */
2521 ha->ha_id[0] = IPS_ADAPTER_ID;
2522 for (i = 1; i < ha->nbus; i++) {
2523 ha->ha_id[i] = ha->conf->init_id[i - 1] & 0x1f;
2524 ha->dcdb_active[i - 1] = 0;
2525 }
2526
2527 return (1);
2528}
2529
2530/****************************************************************************/
2531/* */
2532/* Routine Name: ips_next */
2533/* */
2534/* Routine Description: */
2535/* */
2536/* Take the next command off the queue and send it to the controller */
2537/* */
2538/****************************************************************************/
2539static void
2540ips_next(ips_ha_t * ha, int intr)
2541{
2542 ips_scb_t *scb;
2543 struct scsi_cmnd *SC;
2544 struct scsi_cmnd *p;
2545 struct scsi_cmnd *q;
2546 ips_copp_wait_item_t *item;
2547 int ret;
2548 struct Scsi_Host *host;
2549 METHOD_TRACE("ips_next", 1);
2550
2551 if (!ha)
2552 return;
2553 host = ips_sh[ha->host_num];
2554 /*
2555 * Block access to the queue function so
2556 * this command won't time out
2557 */
2558 if (intr == IPS_INTR_ON)
2559 spin_lock(host->host_lock);
2560
2561 if ((ha->subsys->param[3] & 0x300000)
2562 && (ha->scb_activelist.count == 0)) {
2563 struct timeval tv;
2564
2565 do_gettimeofday(&tv);
2566
2567 if (tv.tv_sec - ha->last_ffdc > IPS_SECS_8HOURS) {
2568 ha->last_ffdc = tv.tv_sec;
2569 ips_ffdc_time(ha);
2570 }
2571 }
2572
2573 /*
2574 * Send passthru commands
2575 * These have priority over normal I/O
2576 * but shouldn't affect performance too much
2577 * since we limit the number that can be active
2578 * on the card at any one time
2579 */
2580 while ((ha->num_ioctl < IPS_MAX_IOCTL) &&
2581 (ha->copp_waitlist.head) && (scb = ips_getscb(ha))) {
2582
2583 item = ips_removeq_copp_head(&ha->copp_waitlist);
2584 ha->num_ioctl++;
2585 if (intr == IPS_INTR_ON)
2586 spin_unlock(host->host_lock);
2587 scb->scsi_cmd = item->scsi_cmd;
2588 kfree(item);
2589
2590 ret = ips_make_passthru(ha, scb->scsi_cmd, scb, intr);
2591
2592 if (intr == IPS_INTR_ON)
2593 spin_lock(host->host_lock);
2594 switch (ret) {
2595 case IPS_FAILURE:
2596 if (scb->scsi_cmd) {
2597 scb->scsi_cmd->result = DID_ERROR << 16;
2598 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2599 }
2600
2601 ips_freescb(ha, scb);
2602 break;
2603 case IPS_SUCCESS_IMM:
2604 if (scb->scsi_cmd) {
2605 scb->scsi_cmd->result = DID_OK << 16;
2606 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2607 }
2608
2609 ips_freescb(ha, scb);
2610 break;
2611 default:
2612 break;
2613 } /* end case */
2614
2615 if (ret != IPS_SUCCESS) {
2616 ha->num_ioctl--;
2617 continue;
2618 }
2619
2620 ret = ips_send_cmd(ha, scb);
2621
2622 if (ret == IPS_SUCCESS)
2623 ips_putq_scb_head(&ha->scb_activelist, scb);
2624 else
2625 ha->num_ioctl--;
2626
2627 switch (ret) {
2628 case IPS_FAILURE:
2629 if (scb->scsi_cmd) {
2630 scb->scsi_cmd->result = DID_ERROR << 16;
2631 }
2632
2633 ips_freescb(ha, scb);
2634 break;
2635 case IPS_SUCCESS_IMM:
2636 ips_freescb(ha, scb);
2637 break;
2638 default:
2639 break;
2640 } /* end case */
2641
2642 }
2643
2644 /*
2645 * Send "Normal" I/O commands
2646 */
2647
2648 p = ha->scb_waitlist.head;
2649 while ((p) && (scb = ips_getscb(ha))) {
2650 if ((scmd_channel(p) > 0)
2651 && (ha->
2652 dcdb_active[scmd_channel(p) -
2653 1] & (1 << scmd_id(p)))) {
2654 ips_freescb(ha, scb);
2655 p = (struct scsi_cmnd *) p->host_scribble;
2656 continue;
2657 }
2658
2659 q = p;
2660 SC = ips_removeq_wait(&ha->scb_waitlist, q);
2661
2662 if (intr == IPS_INTR_ON)
2663 spin_unlock(host->host_lock); /* Unlock HA after command is taken off queue */
2664
2665 SC->result = DID_OK;
2666 SC->host_scribble = NULL;
2667
2668 scb->target_id = SC->device->id;
2669 scb->lun = SC->device->lun;
2670 scb->bus = SC->device->channel;
2671 scb->scsi_cmd = SC;
2672 scb->breakup = 0;
2673 scb->data_len = 0;
2674 scb->callback = ipsintr_done;
2675 scb->timeout = ips_cmd_timeout;
2676 memset(&scb->cmd, 0, 16);
2677
2678 /* copy in the CDB */
2679 memcpy(scb->cdb, SC->cmnd, SC->cmd_len);
2680
2681 scb->sg_count = scsi_dma_map(SC);
2682 BUG_ON(scb->sg_count < 0);
2683 if (scb->sg_count) {
2684 struct scatterlist *sg;
2685 int i;
2686
2687 scb->flags |= IPS_SCB_MAP_SG;
2688
2689 scsi_for_each_sg(SC, sg, scb->sg_count, i) {
2690 if (ips_fill_scb_sg_single
2691 (ha, sg_dma_address(sg), scb, i,
2692 sg_dma_len(sg)) < 0)
2693 break;
2694 }
2695 scb->dcdb.transfer_length = scb->data_len;
2696 } else {
2697 scb->data_busaddr = 0L;
2698 scb->sg_len = 0;
2699 scb->data_len = 0;
2700 scb->dcdb.transfer_length = 0;
2701 }
2702
2703 scb->dcdb.cmd_attribute =
2704 ips_command_direction[scb->scsi_cmd->cmnd[0]];
2705
2706 /* Allow a WRITE BUFFER Command to Have no Data */
2707 /* This is Used by Tape Flash Utilites */
2708 if ((scb->scsi_cmd->cmnd[0] == WRITE_BUFFER) &&
2709 (scb->data_len == 0))
2710 scb->dcdb.cmd_attribute = 0;
2711
2712 if (!(scb->dcdb.cmd_attribute & 0x3))
2713 scb->dcdb.transfer_length = 0;
2714
2715 if (scb->data_len >= IPS_MAX_XFER) {
2716 scb->dcdb.cmd_attribute |= IPS_TRANSFER64K;
2717 scb->dcdb.transfer_length = 0;
2718 }
2719 if (intr == IPS_INTR_ON)
2720 spin_lock(host->host_lock);
2721
2722 ret = ips_send_cmd(ha, scb);
2723
2724 switch (ret) {
2725 case IPS_SUCCESS:
2726 ips_putq_scb_head(&ha->scb_activelist, scb);
2727 break;
2728 case IPS_FAILURE:
2729 if (scb->scsi_cmd) {
2730 scb->scsi_cmd->result = DID_ERROR << 16;
2731 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2732 }
2733
2734 if (scb->bus)
2735 ha->dcdb_active[scb->bus - 1] &=
2736 ~(1 << scb->target_id);
2737
2738 ips_freescb(ha, scb);
2739 break;
2740 case IPS_SUCCESS_IMM:
2741 if (scb->scsi_cmd)
2742 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2743
2744 if (scb->bus)
2745 ha->dcdb_active[scb->bus - 1] &=
2746 ~(1 << scb->target_id);
2747
2748 ips_freescb(ha, scb);
2749 break;
2750 default:
2751 break;
2752 } /* end case */
2753
2754 p = (struct scsi_cmnd *) p->host_scribble;
2755
2756 } /* end while */
2757
2758 if (intr == IPS_INTR_ON)
2759 spin_unlock(host->host_lock);
2760}
2761
2762/****************************************************************************/
2763/* */
2764/* Routine Name: ips_putq_scb_head */
2765/* */
2766/* Routine Description: */
2767/* */
2768/* Add an item to the head of the queue */
2769/* */
2770/* ASSUMED to be called from within the HA lock */
2771/* */
2772/****************************************************************************/
2773static void
2774ips_putq_scb_head(ips_scb_queue_t * queue, ips_scb_t * item)
2775{
2776 METHOD_TRACE("ips_putq_scb_head", 1);
2777
2778 if (!item)
2779 return;
2780
2781 item->q_next = queue->head;
2782 queue->head = item;
2783
2784 if (!queue->tail)
2785 queue->tail = item;
2786
2787 queue->count++;
2788}
2789
2790/****************************************************************************/
2791/* */
2792/* Routine Name: ips_removeq_scb_head */
2793/* */
2794/* Routine Description: */
2795/* */
2796/* Remove the head of the queue */
2797/* */
2798/* ASSUMED to be called from within the HA lock */
2799/* */
2800/****************************************************************************/
2801static ips_scb_t *
2802ips_removeq_scb_head(ips_scb_queue_t * queue)
2803{
2804 ips_scb_t *item;
2805
2806 METHOD_TRACE("ips_removeq_scb_head", 1);
2807
2808 item = queue->head;
2809
2810 if (!item) {
2811 return (NULL);
2812 }
2813
2814 queue->head = item->q_next;
2815 item->q_next = NULL;
2816
2817 if (queue->tail == item)
2818 queue->tail = NULL;
2819
2820 queue->count--;
2821
2822 return (item);
2823}
2824
2825/****************************************************************************/
2826/* */
2827/* Routine Name: ips_removeq_scb */
2828/* */
2829/* Routine Description: */
2830/* */
2831/* Remove an item from a queue */
2832/* */
2833/* ASSUMED to be called from within the HA lock */
2834/* */
2835/****************************************************************************/
2836static ips_scb_t *
2837ips_removeq_scb(ips_scb_queue_t * queue, ips_scb_t * item)
2838{
2839 ips_scb_t *p;
2840
2841 METHOD_TRACE("ips_removeq_scb", 1);
2842
2843 if (!item)
2844 return (NULL);
2845
2846 if (item == queue->head) {
2847 return (ips_removeq_scb_head(queue));
2848 }
2849
2850 p = queue->head;
2851
2852 while ((p) && (item != p->q_next))
2853 p = p->q_next;
2854
2855 if (p) {
2856 /* found a match */
2857 p->q_next = item->q_next;
2858
2859 if (!item->q_next)
2860 queue->tail = p;
2861
2862 item->q_next = NULL;
2863 queue->count--;
2864
2865 return (item);
2866 }
2867
2868 return (NULL);
2869}
2870
2871/****************************************************************************/
2872/* */
2873/* Routine Name: ips_putq_wait_tail */
2874/* */
2875/* Routine Description: */
2876/* */
2877/* Add an item to the tail of the queue */
2878/* */
2879/* ASSUMED to be called from within the HA lock */
2880/* */
2881/****************************************************************************/
2882static void ips_putq_wait_tail(ips_wait_queue_t *queue, struct scsi_cmnd *item)
2883{
2884 METHOD_TRACE("ips_putq_wait_tail", 1);
2885
2886 if (!item)
2887 return;
2888
2889 item->host_scribble = NULL;
2890
2891 if (queue->tail)
2892 queue->tail->host_scribble = (char *) item;
2893
2894 queue->tail = item;
2895
2896 if (!queue->head)
2897 queue->head = item;
2898
2899 queue->count++;
2900}
2901
2902/****************************************************************************/
2903/* */
2904/* Routine Name: ips_removeq_wait_head */
2905/* */
2906/* Routine Description: */
2907/* */
2908/* Remove the head of the queue */
2909/* */
2910/* ASSUMED to be called from within the HA lock */
2911/* */
2912/****************************************************************************/
2913static struct scsi_cmnd *ips_removeq_wait_head(ips_wait_queue_t *queue)
2914{
2915 struct scsi_cmnd *item;
2916
2917 METHOD_TRACE("ips_removeq_wait_head", 1);
2918
2919 item = queue->head;
2920
2921 if (!item) {
2922 return (NULL);
2923 }
2924
2925 queue->head = (struct scsi_cmnd *) item->host_scribble;
2926 item->host_scribble = NULL;
2927
2928 if (queue->tail == item)
2929 queue->tail = NULL;
2930
2931 queue->count--;
2932
2933 return (item);
2934}
2935
2936/****************************************************************************/
2937/* */
2938/* Routine Name: ips_removeq_wait */
2939/* */
2940/* Routine Description: */
2941/* */
2942/* Remove an item from a queue */
2943/* */
2944/* ASSUMED to be called from within the HA lock */
2945/* */
2946/****************************************************************************/
2947static struct scsi_cmnd *ips_removeq_wait(ips_wait_queue_t *queue,
2948 struct scsi_cmnd *item)
2949{
2950 struct scsi_cmnd *p;
2951
2952 METHOD_TRACE("ips_removeq_wait", 1);
2953
2954 if (!item)
2955 return (NULL);
2956
2957 if (item == queue->head) {
2958 return (ips_removeq_wait_head(queue));
2959 }
2960
2961 p = queue->head;
2962
2963 while ((p) && (item != (struct scsi_cmnd *) p->host_scribble))
2964 p = (struct scsi_cmnd *) p->host_scribble;
2965
2966 if (p) {
2967 /* found a match */
2968 p->host_scribble = item->host_scribble;
2969
2970 if (!item->host_scribble)
2971 queue->tail = p;
2972
2973 item->host_scribble = NULL;
2974 queue->count--;
2975
2976 return (item);
2977 }
2978
2979 return (NULL);
2980}
2981
2982/****************************************************************************/
2983/* */
2984/* Routine Name: ips_putq_copp_tail */
2985/* */
2986/* Routine Description: */
2987/* */
2988/* Add an item to the tail of the queue */
2989/* */
2990/* ASSUMED to be called from within the HA lock */
2991/* */
2992/****************************************************************************/
2993static void
2994ips_putq_copp_tail(ips_copp_queue_t * queue, ips_copp_wait_item_t * item)
2995{
2996 METHOD_TRACE("ips_putq_copp_tail", 1);
2997
2998 if (!item)
2999 return;
3000
3001 item->next = NULL;
3002
3003 if (queue->tail)
3004 queue->tail->next = item;
3005
3006 queue->tail = item;
3007
3008 if (!queue->head)
3009 queue->head = item;
3010
3011 queue->count++;
3012}
3013
3014/****************************************************************************/
3015/* */
3016/* Routine Name: ips_removeq_copp_head */
3017/* */
3018/* Routine Description: */
3019/* */
3020/* Remove the head of the queue */
3021/* */
3022/* ASSUMED to be called from within the HA lock */
3023/* */
3024/****************************************************************************/
3025static ips_copp_wait_item_t *
3026ips_removeq_copp_head(ips_copp_queue_t * queue)
3027{
3028 ips_copp_wait_item_t *item;
3029
3030 METHOD_TRACE("ips_removeq_copp_head", 1);
3031
3032 item = queue->head;
3033
3034 if (!item) {
3035 return (NULL);
3036 }
3037
3038 queue->head = item->next;
3039 item->next = NULL;
3040
3041 if (queue->tail == item)
3042 queue->tail = NULL;
3043
3044 queue->count--;
3045
3046 return (item);
3047}
3048
3049/****************************************************************************/
3050/* */
3051/* Routine Name: ips_removeq_copp */
3052/* */
3053/* Routine Description: */
3054/* */
3055/* Remove an item from a queue */
3056/* */
3057/* ASSUMED to be called from within the HA lock */
3058/* */
3059/****************************************************************************/
3060static ips_copp_wait_item_t *
3061ips_removeq_copp(ips_copp_queue_t * queue, ips_copp_wait_item_t * item)
3062{
3063 ips_copp_wait_item_t *p;
3064
3065 METHOD_TRACE("ips_removeq_copp", 1);
3066
3067 if (!item)
3068 return (NULL);
3069
3070 if (item == queue->head) {
3071 return (ips_removeq_copp_head(queue));
3072 }
3073
3074 p = queue->head;
3075
3076 while ((p) && (item != p->next))
3077 p = p->next;
3078
3079 if (p) {
3080 /* found a match */
3081 p->next = item->next;
3082
3083 if (!item->next)
3084 queue->tail = p;
3085
3086 item->next = NULL;
3087 queue->count--;
3088
3089 return (item);
3090 }
3091
3092 return (NULL);
3093}
3094
3095/****************************************************************************/
3096/* */
3097/* Routine Name: ipsintr_blocking */
3098/* */
3099/* Routine Description: */
3100/* */
3101/* Finalize an interrupt for internal commands */
3102/* */
3103/****************************************************************************/
3104static void
3105ipsintr_blocking(ips_ha_t * ha, ips_scb_t * scb)
3106{
3107 METHOD_TRACE("ipsintr_blocking", 2);
3108
3109 ips_freescb(ha, scb);
3110 if ((ha->waitflag == TRUE) && (ha->cmd_in_progress == scb->cdb[0])) {
3111 ha->waitflag = FALSE;
3112
3113 return;
3114 }
3115}
3116
3117/****************************************************************************/
3118/* */
3119/* Routine Name: ipsintr_done */
3120/* */
3121/* Routine Description: */
3122/* */
3123/* Finalize an interrupt for non-internal commands */
3124/* */
3125/****************************************************************************/
3126static void
3127ipsintr_done(ips_ha_t * ha, ips_scb_t * scb)
3128{
3129 METHOD_TRACE("ipsintr_done", 2);
3130
3131 if (!scb) {
3132 IPS_PRINTK(KERN_WARNING, ha->pcidev,
3133 "Spurious interrupt; scb NULL.\n");
3134
3135 return;
3136 }
3137
3138 if (scb->scsi_cmd == NULL) {
3139 /* unexpected interrupt */
3140 IPS_PRINTK(KERN_WARNING, ha->pcidev,
3141 "Spurious interrupt; scsi_cmd not set.\n");
3142
3143 return;
3144 }
3145
3146 ips_done(ha, scb);
3147}
3148
3149/****************************************************************************/
3150/* */
3151/* Routine Name: ips_done */
3152/* */
3153/* Routine Description: */
3154/* */
3155/* Do housekeeping on completed commands */
3156/* ASSUMED to be called form within the request lock */
3157/****************************************************************************/
3158static void
3159ips_done(ips_ha_t * ha, ips_scb_t * scb)
3160{
3161 int ret;
3162
3163 METHOD_TRACE("ips_done", 1);
3164
3165 if (!scb)
3166 return;
3167
3168 if ((scb->scsi_cmd) && (ips_is_passthru(scb->scsi_cmd))) {
3169 ips_cleanup_passthru(ha, scb);
3170 ha->num_ioctl--;
3171 } else {
3172 /*
3173 * Check to see if this command had too much
3174 * data and had to be broke up. If so, queue
3175 * the rest of the data and continue.
3176 */
3177 if ((scb->breakup) || (scb->sg_break)) {
3178 struct scatterlist *sg;
3179 int i, sg_dma_index, ips_sg_index = 0;
3180
3181 /* we had a data breakup */
3182 scb->data_len = 0;
3183
3184 sg = scsi_sglist(scb->scsi_cmd);
3185
3186 /* Spin forward to last dma chunk */
3187 sg_dma_index = scb->breakup;
3188 for (i = 0; i < scb->breakup; i++)
3189 sg = sg_next(sg);
3190
3191 /* Take care of possible partial on last chunk */
3192 ips_fill_scb_sg_single(ha,
3193 sg_dma_address(sg),
3194 scb, ips_sg_index++,
3195 sg_dma_len(sg));
3196
3197 for (; sg_dma_index < scsi_sg_count(scb->scsi_cmd);
3198 sg_dma_index++, sg = sg_next(sg)) {
3199 if (ips_fill_scb_sg_single
3200 (ha,
3201 sg_dma_address(sg),
3202 scb, ips_sg_index++,
3203 sg_dma_len(sg)) < 0)
3204 break;
3205 }
3206
3207 scb->dcdb.transfer_length = scb->data_len;
3208 scb->dcdb.cmd_attribute |=
3209 ips_command_direction[scb->scsi_cmd->cmnd[0]];
3210
3211 if (!(scb->dcdb.cmd_attribute & 0x3))
3212 scb->dcdb.transfer_length = 0;
3213
3214 if (scb->data_len >= IPS_MAX_XFER) {
3215 scb->dcdb.cmd_attribute |= IPS_TRANSFER64K;
3216 scb->dcdb.transfer_length = 0;
3217 }
3218
3219 ret = ips_send_cmd(ha, scb);
3220
3221 switch (ret) {
3222 case IPS_FAILURE:
3223 if (scb->scsi_cmd) {
3224 scb->scsi_cmd->result = DID_ERROR << 16;
3225 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
3226 }
3227
3228 ips_freescb(ha, scb);
3229 break;
3230 case IPS_SUCCESS_IMM:
3231 if (scb->scsi_cmd) {
3232 scb->scsi_cmd->result = DID_ERROR << 16;
3233 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
3234 }
3235
3236 ips_freescb(ha, scb);
3237 break;
3238 default:
3239 break;
3240 } /* end case */
3241
3242 return;
3243 }
3244 } /* end if passthru */
3245
3246 if (scb->bus) {
3247 ha->dcdb_active[scb->bus - 1] &= ~(1 << scb->target_id);
3248 }
3249
3250 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
3251
3252 ips_freescb(ha, scb);
3253}
3254
3255/****************************************************************************/
3256/* */
3257/* Routine Name: ips_map_status */
3258/* */
3259/* Routine Description: */
3260/* */
3261/* Map Controller Error codes to Linux Error Codes */
3262/* */
3263/****************************************************************************/
3264static int
3265ips_map_status(ips_ha_t * ha, ips_scb_t * scb, ips_stat_t * sp)
3266{
3267 int errcode;
3268 int device_error;
3269 uint32_t transfer_len;
3270 IPS_DCDB_TABLE_TAPE *tapeDCDB;
3271 IPS_SCSI_INQ_DATA inquiryData;
3272
3273 METHOD_TRACE("ips_map_status", 1);
3274
3275 if (scb->bus) {
3276 DEBUG_VAR(2,
3277 "(%s%d) Physical device error (%d %d %d): %x %x, Sense Key: %x, ASC: %x, ASCQ: %x",
3278 ips_name, ha->host_num,
3279 scb->scsi_cmd->device->channel,
3280 scb->scsi_cmd->device->id, scb->scsi_cmd->device->lun,
3281 scb->basic_status, scb->extended_status,
3282 scb->extended_status ==
3283 IPS_ERR_CKCOND ? scb->dcdb.sense_info[2] & 0xf : 0,
3284 scb->extended_status ==
3285 IPS_ERR_CKCOND ? scb->dcdb.sense_info[12] : 0,
3286 scb->extended_status ==
3287 IPS_ERR_CKCOND ? scb->dcdb.sense_info[13] : 0);
3288 }
3289
3290 /* default driver error */
3291 errcode = DID_ERROR;
3292 device_error = 0;
3293
3294 switch (scb->basic_status & IPS_GSC_STATUS_MASK) {
3295 case IPS_CMD_TIMEOUT:
3296 errcode = DID_TIME_OUT;
3297 break;
3298
3299 case IPS_INVAL_OPCO:
3300 case IPS_INVAL_CMD_BLK:
3301 case IPS_INVAL_PARM_BLK:
3302 case IPS_LD_ERROR:
3303 case IPS_CMD_CMPLT_WERROR:
3304 break;
3305
3306 case IPS_PHYS_DRV_ERROR:
3307 switch (scb->extended_status) {
3308 case IPS_ERR_SEL_TO:
3309 if (scb->bus)
3310 errcode = DID_NO_CONNECT;
3311
3312 break;
3313
3314 case IPS_ERR_OU_RUN:
3315 if ((scb->cmd.dcdb.op_code == IPS_CMD_EXTENDED_DCDB) ||
3316 (scb->cmd.dcdb.op_code ==
3317 IPS_CMD_EXTENDED_DCDB_SG)) {
3318 tapeDCDB = (IPS_DCDB_TABLE_TAPE *) & scb->dcdb;
3319 transfer_len = tapeDCDB->transfer_length;
3320 } else {
3321 transfer_len =
3322 (uint32_t) scb->dcdb.transfer_length;
3323 }
3324
3325 if ((scb->bus) && (transfer_len < scb->data_len)) {
3326 /* Underrun - set default to no error */
3327 errcode = DID_OK;
3328
3329 /* Restrict access to physical DASD */
3330 if (scb->scsi_cmd->cmnd[0] == INQUIRY) {
3331 ips_scmd_buf_read(scb->scsi_cmd,
3332 &inquiryData, sizeof (inquiryData));
3333 if ((inquiryData.DeviceType & 0x1f) == TYPE_DISK) {
3334 errcode = DID_TIME_OUT;
3335 break;
3336 }
3337 }
3338 } else
3339 errcode = DID_ERROR;
3340
3341 break;
3342
3343 case IPS_ERR_RECOVERY:
3344 /* don't fail recovered errors */
3345 if (scb->bus)
3346 errcode = DID_OK;
3347
3348 break;
3349
3350 case IPS_ERR_HOST_RESET:
3351 case IPS_ERR_DEV_RESET:
3352 errcode = DID_RESET;
3353 break;
3354
3355 case IPS_ERR_CKCOND:
3356 if (scb->bus) {
3357 if ((scb->cmd.dcdb.op_code ==
3358 IPS_CMD_EXTENDED_DCDB)
3359 || (scb->cmd.dcdb.op_code ==
3360 IPS_CMD_EXTENDED_DCDB_SG)) {
3361 tapeDCDB =
3362 (IPS_DCDB_TABLE_TAPE *) & scb->dcdb;
3363 memcpy(scb->scsi_cmd->sense_buffer,
3364 tapeDCDB->sense_info,
3365 SCSI_SENSE_BUFFERSIZE);
3366 } else {
3367 memcpy(scb->scsi_cmd->sense_buffer,
3368 scb->dcdb.sense_info,
3369 SCSI_SENSE_BUFFERSIZE);
3370 }
3371 device_error = 2; /* check condition */
3372 }
3373
3374 errcode = DID_OK;
3375
3376 break;
3377
3378 default:
3379 errcode = DID_ERROR;
3380 break;
3381
3382 } /* end switch */
3383 } /* end switch */
3384
3385 scb->scsi_cmd->result = device_error | (errcode << 16);
3386
3387 return (1);
3388}
3389
3390/****************************************************************************/
3391/* */
3392/* Routine Name: ips_send_wait */
3393/* */
3394/* Routine Description: */
3395/* */
3396/* Send a command to the controller and wait for it to return */
3397/* */
3398/* The FFDC Time Stamp use this function for the callback, but doesn't */
3399/* actually need to wait. */
3400/****************************************************************************/
3401static int
3402ips_send_wait(ips_ha_t * ha, ips_scb_t * scb, int timeout, int intr)
3403{
3404 int ret;
3405
3406 METHOD_TRACE("ips_send_wait", 1);
3407
3408 if (intr != IPS_FFDC) { /* Won't be Waiting if this is a Time Stamp */
3409 ha->waitflag = TRUE;
3410 ha->cmd_in_progress = scb->cdb[0];
3411 }
3412 scb->callback = ipsintr_blocking;
3413 ret = ips_send_cmd(ha, scb);
3414
3415 if ((ret == IPS_FAILURE) || (ret == IPS_SUCCESS_IMM))
3416 return (ret);
3417
3418 if (intr != IPS_FFDC) /* Don't Wait around if this is a Time Stamp */
3419 ret = ips_wait(ha, timeout, intr);
3420
3421 return (ret);
3422}
3423
3424/****************************************************************************/
3425/* */
3426/* Routine Name: ips_scmd_buf_write */
3427/* */
3428/* Routine Description: */
3429/* Write data to struct scsi_cmnd request_buffer at proper offsets */
3430/****************************************************************************/
3431static void
3432ips_scmd_buf_write(struct scsi_cmnd *scmd, void *data, unsigned int count)
3433{
3434 unsigned long flags;
3435
3436 local_irq_save(flags);
3437 scsi_sg_copy_from_buffer(scmd, data, count);
3438 local_irq_restore(flags);
3439}
3440
3441/****************************************************************************/
3442/* */
3443/* Routine Name: ips_scmd_buf_read */
3444/* */
3445/* Routine Description: */
3446/* Copy data from a struct scsi_cmnd to a new, linear buffer */
3447/****************************************************************************/
3448static void
3449ips_scmd_buf_read(struct scsi_cmnd *scmd, void *data, unsigned int count)
3450{
3451 unsigned long flags;
3452
3453 local_irq_save(flags);
3454 scsi_sg_copy_to_buffer(scmd, data, count);
3455 local_irq_restore(flags);
3456}
3457
3458/****************************************************************************/
3459/* */
3460/* Routine Name: ips_send_cmd */
3461/* */
3462/* Routine Description: */
3463/* */
3464/* Map SCSI commands to ServeRAID commands for logical drives */
3465/* */
3466/****************************************************************************/
3467static int
3468ips_send_cmd(ips_ha_t * ha, ips_scb_t * scb)
3469{
3470 int ret;
3471 char *sp;
3472 int device_error;
3473 IPS_DCDB_TABLE_TAPE *tapeDCDB;
3474 int TimeOut;
3475
3476 METHOD_TRACE("ips_send_cmd", 1);
3477
3478 ret = IPS_SUCCESS;
3479
3480 if (!scb->scsi_cmd) {
3481 /* internal command */
3482
3483 if (scb->bus > 0) {
3484 /* Controller commands can't be issued */
3485 /* to real devices -- fail them */
3486 if ((ha->waitflag == TRUE) &&
3487 (ha->cmd_in_progress == scb->cdb[0])) {
3488 ha->waitflag = FALSE;
3489 }
3490
3491 return (1);
3492 }
3493 } else if ((scb->bus == 0) && (!ips_is_passthru(scb->scsi_cmd))) {
3494 /* command to logical bus -- interpret */
3495 ret = IPS_SUCCESS_IMM;
3496
3497 switch (scb->scsi_cmd->cmnd[0]) {
3498 case ALLOW_MEDIUM_REMOVAL:
3499 case REZERO_UNIT:
3500 case ERASE:
3501 case WRITE_FILEMARKS:
3502 case SPACE:
3503 scb->scsi_cmd->result = DID_ERROR << 16;
3504 break;
3505
3506 case START_STOP:
3507 scb->scsi_cmd->result = DID_OK << 16;
3508
3509 case TEST_UNIT_READY:
3510 case INQUIRY:
3511 if (scb->target_id == IPS_ADAPTER_ID) {
3512 /*
3513 * Either we have a TUR
3514 * or we have a SCSI inquiry
3515 */
3516 if (scb->scsi_cmd->cmnd[0] == TEST_UNIT_READY)
3517 scb->scsi_cmd->result = DID_OK << 16;
3518
3519 if (scb->scsi_cmd->cmnd[0] == INQUIRY) {
3520 IPS_SCSI_INQ_DATA inquiry;
3521
3522 memset(&inquiry, 0,
3523 sizeof (IPS_SCSI_INQ_DATA));
3524
3525 inquiry.DeviceType =
3526 IPS_SCSI_INQ_TYPE_PROCESSOR;
3527 inquiry.DeviceTypeQualifier =
3528 IPS_SCSI_INQ_LU_CONNECTED;
3529 inquiry.Version = IPS_SCSI_INQ_REV2;
3530 inquiry.ResponseDataFormat =
3531 IPS_SCSI_INQ_RD_REV2;
3532 inquiry.AdditionalLength = 31;
3533 inquiry.Flags[0] =
3534 IPS_SCSI_INQ_Address16;
3535 inquiry.Flags[1] =
3536 IPS_SCSI_INQ_WBus16 |
3537 IPS_SCSI_INQ_Sync;
3538 strncpy(inquiry.VendorId, "IBM ",
3539 8);
3540 strncpy(inquiry.ProductId,
3541 "SERVERAID ", 16);
3542 strncpy(inquiry.ProductRevisionLevel,
3543 "1.00", 4);
3544
3545 ips_scmd_buf_write(scb->scsi_cmd,
3546 &inquiry,
3547 sizeof (inquiry));
3548
3549 scb->scsi_cmd->result = DID_OK << 16;
3550 }
3551 } else {
3552 scb->cmd.logical_info.op_code = IPS_CMD_GET_LD_INFO;
3553 scb->cmd.logical_info.command_id = IPS_COMMAND_ID(ha, scb);
3554 scb->cmd.logical_info.reserved = 0;
3555 scb->cmd.logical_info.reserved2 = 0;
3556 scb->data_len = sizeof (IPS_LD_INFO);
3557 scb->data_busaddr = ha->logical_drive_info_dma_addr;
3558 scb->flags = 0;
3559 scb->cmd.logical_info.buffer_addr = scb->data_busaddr;
3560 ret = IPS_SUCCESS;
3561 }
3562
3563 break;
3564
3565 case REQUEST_SENSE:
3566 ips_reqsen(ha, scb);
3567 scb->scsi_cmd->result = DID_OK << 16;
3568 break;
3569
3570 case READ_6:
3571 case WRITE_6:
3572 if (!scb->sg_len) {
3573 scb->cmd.basic_io.op_code =
3574 (scb->scsi_cmd->cmnd[0] ==
3575 READ_6) ? IPS_CMD_READ : IPS_CMD_WRITE;
3576 scb->cmd.basic_io.enhanced_sg = 0;
3577 scb->cmd.basic_io.sg_addr =
3578 cpu_to_le32(scb->data_busaddr);
3579 } else {
3580 scb->cmd.basic_io.op_code =
3581 (scb->scsi_cmd->cmnd[0] ==
3582 READ_6) ? IPS_CMD_READ_SG :
3583 IPS_CMD_WRITE_SG;
3584 scb->cmd.basic_io.enhanced_sg =
3585 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3586 scb->cmd.basic_io.sg_addr =
3587 cpu_to_le32(scb->sg_busaddr);
3588 }
3589
3590 scb->cmd.basic_io.segment_4G = 0;
3591 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
3592 scb->cmd.basic_io.log_drv = scb->target_id;
3593 scb->cmd.basic_io.sg_count = scb->sg_len;
3594
3595 if (scb->cmd.basic_io.lba)
3596 le32_add_cpu(&scb->cmd.basic_io.lba,
3597 le16_to_cpu(scb->cmd.basic_io.
3598 sector_count));
3599 else
3600 scb->cmd.basic_io.lba =
3601 (((scb->scsi_cmd->
3602 cmnd[1] & 0x1f) << 16) | (scb->scsi_cmd->
3603 cmnd[2] << 8) |
3604 (scb->scsi_cmd->cmnd[3]));
3605
3606 scb->cmd.basic_io.sector_count =
3607 cpu_to_le16(scb->data_len / IPS_BLKSIZE);
3608
3609 if (le16_to_cpu(scb->cmd.basic_io.sector_count) == 0)
3610 scb->cmd.basic_io.sector_count =
3611 cpu_to_le16(256);
3612
3613 ret = IPS_SUCCESS;
3614 break;
3615
3616 case READ_10:
3617 case WRITE_10:
3618 if (!scb->sg_len) {
3619 scb->cmd.basic_io.op_code =
3620 (scb->scsi_cmd->cmnd[0] ==
3621 READ_10) ? IPS_CMD_READ : IPS_CMD_WRITE;
3622 scb->cmd.basic_io.enhanced_sg = 0;
3623 scb->cmd.basic_io.sg_addr =
3624 cpu_to_le32(scb->data_busaddr);
3625 } else {
3626 scb->cmd.basic_io.op_code =
3627 (scb->scsi_cmd->cmnd[0] ==
3628 READ_10) ? IPS_CMD_READ_SG :
3629 IPS_CMD_WRITE_SG;
3630 scb->cmd.basic_io.enhanced_sg =
3631 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3632 scb->cmd.basic_io.sg_addr =
3633 cpu_to_le32(scb->sg_busaddr);
3634 }
3635
3636 scb->cmd.basic_io.segment_4G = 0;
3637 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
3638 scb->cmd.basic_io.log_drv = scb->target_id;
3639 scb->cmd.basic_io.sg_count = scb->sg_len;
3640
3641 if (scb->cmd.basic_io.lba)
3642 le32_add_cpu(&scb->cmd.basic_io.lba,
3643 le16_to_cpu(scb->cmd.basic_io.
3644 sector_count));
3645 else
3646 scb->cmd.basic_io.lba =
3647 ((scb->scsi_cmd->cmnd[2] << 24) | (scb->
3648 scsi_cmd->
3649 cmnd[3]
3650 << 16) |
3651 (scb->scsi_cmd->cmnd[4] << 8) | scb->
3652 scsi_cmd->cmnd[5]);
3653
3654 scb->cmd.basic_io.sector_count =
3655 cpu_to_le16(scb->data_len / IPS_BLKSIZE);
3656
3657 if (cpu_to_le16(scb->cmd.basic_io.sector_count) == 0) {
3658 /*
3659 * This is a null condition
3660 * we don't have to do anything
3661 * so just return
3662 */
3663 scb->scsi_cmd->result = DID_OK << 16;
3664 } else
3665 ret = IPS_SUCCESS;
3666
3667 break;
3668
3669 case RESERVE:
3670 case RELEASE:
3671 scb->scsi_cmd->result = DID_OK << 16;
3672 break;
3673
3674 case MODE_SENSE:
3675 scb->cmd.basic_io.op_code = IPS_CMD_ENQUIRY;
3676 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
3677 scb->cmd.basic_io.segment_4G = 0;
3678 scb->cmd.basic_io.enhanced_sg = 0;
3679 scb->data_len = sizeof (*ha->enq);
3680 scb->cmd.basic_io.sg_addr = ha->enq_busaddr;
3681 ret = IPS_SUCCESS;
3682 break;
3683
3684 case READ_CAPACITY:
3685 scb->cmd.logical_info.op_code = IPS_CMD_GET_LD_INFO;
3686 scb->cmd.logical_info.command_id = IPS_COMMAND_ID(ha, scb);
3687 scb->cmd.logical_info.reserved = 0;
3688 scb->cmd.logical_info.reserved2 = 0;
3689 scb->cmd.logical_info.reserved3 = 0;
3690 scb->data_len = sizeof (IPS_LD_INFO);
3691 scb->data_busaddr = ha->logical_drive_info_dma_addr;
3692 scb->flags = 0;
3693 scb->cmd.logical_info.buffer_addr = scb->data_busaddr;
3694 ret = IPS_SUCCESS;
3695 break;
3696
3697 case SEND_DIAGNOSTIC:
3698 case REASSIGN_BLOCKS:
3699 case FORMAT_UNIT:
3700 case SEEK_10:
3701 case VERIFY:
3702 case READ_DEFECT_DATA:
3703 case READ_BUFFER:
3704 case WRITE_BUFFER:
3705 scb->scsi_cmd->result = DID_OK << 16;
3706 break;
3707
3708 default:
3709 /* Set the Return Info to appear like the Command was */
3710 /* attempted, a Check Condition occurred, and Sense */
3711 /* Data indicating an Invalid CDB OpCode is returned. */
3712 sp = (char *) scb->scsi_cmd->sense_buffer;
3713
3714 sp[0] = 0x70; /* Error Code */
3715 sp[2] = ILLEGAL_REQUEST; /* Sense Key 5 Illegal Req. */
3716 sp[7] = 0x0A; /* Additional Sense Length */
3717 sp[12] = 0x20; /* ASC = Invalid OpCode */
3718 sp[13] = 0x00; /* ASCQ */
3719
3720 device_error = 2; /* Indicate Check Condition */
3721 scb->scsi_cmd->result = device_error | (DID_OK << 16);
3722 break;
3723 } /* end switch */
3724 }
3725 /* end if */
3726 if (ret == IPS_SUCCESS_IMM)
3727 return (ret);
3728
3729 /* setup DCDB */
3730 if (scb->bus > 0) {
3731
3732 /* If we already know the Device is Not there, no need to attempt a Command */
3733 /* This also protects an NT FailOver Controller from getting CDB's sent to it */
3734 if (ha->conf->dev[scb->bus - 1][scb->target_id].ucState == 0) {
3735 scb->scsi_cmd->result = DID_NO_CONNECT << 16;
3736 return (IPS_SUCCESS_IMM);
3737 }
3738
3739 ha->dcdb_active[scb->bus - 1] |= (1 << scb->target_id);
3740 scb->cmd.dcdb.command_id = IPS_COMMAND_ID(ha, scb);
3741 scb->cmd.dcdb.dcdb_address = cpu_to_le32(scb->scb_busaddr +
3742 (unsigned long) &scb->
3743 dcdb -
3744 (unsigned long) scb);
3745 scb->cmd.dcdb.reserved = 0;
3746 scb->cmd.dcdb.reserved2 = 0;
3747 scb->cmd.dcdb.reserved3 = 0;
3748 scb->cmd.dcdb.segment_4G = 0;
3749 scb->cmd.dcdb.enhanced_sg = 0;
3750
3751 TimeOut = scb->scsi_cmd->request->timeout;
3752
3753 if (ha->subsys->param[4] & 0x00100000) { /* If NEW Tape DCDB is Supported */
3754 if (!scb->sg_len) {
3755 scb->cmd.dcdb.op_code = IPS_CMD_EXTENDED_DCDB;
3756 } else {
3757 scb->cmd.dcdb.op_code =
3758 IPS_CMD_EXTENDED_DCDB_SG;
3759 scb->cmd.dcdb.enhanced_sg =
3760 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3761 }
3762
3763 tapeDCDB = (IPS_DCDB_TABLE_TAPE *) & scb->dcdb; /* Use Same Data Area as Old DCDB Struct */
3764 tapeDCDB->device_address =
3765 ((scb->bus - 1) << 4) | scb->target_id;
3766 tapeDCDB->cmd_attribute |= IPS_DISCONNECT_ALLOWED;
3767 tapeDCDB->cmd_attribute &= ~IPS_TRANSFER64K; /* Always Turn OFF 64K Size Flag */
3768
3769 if (TimeOut) {
3770 if (TimeOut < (10 * HZ))
3771 tapeDCDB->cmd_attribute |= IPS_TIMEOUT10; /* TimeOut is 10 Seconds */
3772 else if (TimeOut < (60 * HZ))
3773 tapeDCDB->cmd_attribute |= IPS_TIMEOUT60; /* TimeOut is 60 Seconds */
3774 else if (TimeOut < (1200 * HZ))
3775 tapeDCDB->cmd_attribute |= IPS_TIMEOUT20M; /* TimeOut is 20 Minutes */
3776 }
3777
3778 tapeDCDB->cdb_length = scb->scsi_cmd->cmd_len;
3779 tapeDCDB->reserved_for_LUN = 0;
3780 tapeDCDB->transfer_length = scb->data_len;
3781 if (scb->cmd.dcdb.op_code == IPS_CMD_EXTENDED_DCDB_SG)
3782 tapeDCDB->buffer_pointer =
3783 cpu_to_le32(scb->sg_busaddr);
3784 else
3785 tapeDCDB->buffer_pointer =
3786 cpu_to_le32(scb->data_busaddr);
3787 tapeDCDB->sg_count = scb->sg_len;
3788 tapeDCDB->sense_length = sizeof (tapeDCDB->sense_info);
3789 tapeDCDB->scsi_status = 0;
3790 tapeDCDB->reserved = 0;
3791 memcpy(tapeDCDB->scsi_cdb, scb->scsi_cmd->cmnd,
3792 scb->scsi_cmd->cmd_len);
3793 } else {
3794 if (!scb->sg_len) {
3795 scb->cmd.dcdb.op_code = IPS_CMD_DCDB;
3796 } else {
3797 scb->cmd.dcdb.op_code = IPS_CMD_DCDB_SG;
3798 scb->cmd.dcdb.enhanced_sg =
3799 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3800 }
3801
3802 scb->dcdb.device_address =
3803 ((scb->bus - 1) << 4) | scb->target_id;
3804 scb->dcdb.cmd_attribute |= IPS_DISCONNECT_ALLOWED;
3805
3806 if (TimeOut) {
3807 if (TimeOut < (10 * HZ))
3808 scb->dcdb.cmd_attribute |= IPS_TIMEOUT10; /* TimeOut is 10 Seconds */
3809 else if (TimeOut < (60 * HZ))
3810 scb->dcdb.cmd_attribute |= IPS_TIMEOUT60; /* TimeOut is 60 Seconds */
3811 else if (TimeOut < (1200 * HZ))
3812 scb->dcdb.cmd_attribute |= IPS_TIMEOUT20M; /* TimeOut is 20 Minutes */
3813 }
3814
3815 scb->dcdb.transfer_length = scb->data_len;
3816 if (scb->dcdb.cmd_attribute & IPS_TRANSFER64K)
3817 scb->dcdb.transfer_length = 0;
3818 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB_SG)
3819 scb->dcdb.buffer_pointer =
3820 cpu_to_le32(scb->sg_busaddr);
3821 else
3822 scb->dcdb.buffer_pointer =
3823 cpu_to_le32(scb->data_busaddr);
3824 scb->dcdb.cdb_length = scb->scsi_cmd->cmd_len;
3825 scb->dcdb.sense_length = sizeof (scb->dcdb.sense_info);
3826 scb->dcdb.sg_count = scb->sg_len;
3827 scb->dcdb.reserved = 0;
3828 memcpy(scb->dcdb.scsi_cdb, scb->scsi_cmd->cmnd,
3829 scb->scsi_cmd->cmd_len);
3830 scb->dcdb.scsi_status = 0;
3831 scb->dcdb.reserved2[0] = 0;
3832 scb->dcdb.reserved2[1] = 0;
3833 scb->dcdb.reserved2[2] = 0;
3834 }
3835 }
3836
3837 return ((*ha->func.issue) (ha, scb));
3838}
3839
3840/****************************************************************************/
3841/* */
3842/* Routine Name: ips_chk_status */
3843/* */
3844/* Routine Description: */
3845/* */
3846/* Check the status of commands to logical drives */
3847/* Assumed to be called with the HA lock */
3848/****************************************************************************/
3849static void
3850ips_chkstatus(ips_ha_t * ha, IPS_STATUS * pstatus)
3851{
3852 ips_scb_t *scb;
3853 ips_stat_t *sp;
3854 uint8_t basic_status;
3855 uint8_t ext_status;
3856 int errcode;
3857 IPS_SCSI_INQ_DATA inquiryData;
3858
3859 METHOD_TRACE("ips_chkstatus", 1);
3860
3861 scb = &ha->scbs[pstatus->fields.command_id];
3862 scb->basic_status = basic_status =
3863 pstatus->fields.basic_status & IPS_BASIC_STATUS_MASK;
3864 scb->extended_status = ext_status = pstatus->fields.extended_status;
3865
3866 sp = &ha->sp;
3867 sp->residue_len = 0;
3868 sp->scb_addr = (void *) scb;
3869
3870 /* Remove the item from the active queue */
3871 ips_removeq_scb(&ha->scb_activelist, scb);
3872
3873 if (!scb->scsi_cmd)
3874 /* internal commands are handled in do_ipsintr */
3875 return;
3876
3877 DEBUG_VAR(2, "(%s%d) ips_chkstatus: cmd 0x%X id %d (%d %d %d)",
3878 ips_name,
3879 ha->host_num,
3880 scb->cdb[0],
3881 scb->cmd.basic_io.command_id,
3882 scb->bus, scb->target_id, scb->lun);
3883
3884 if ((scb->scsi_cmd) && (ips_is_passthru(scb->scsi_cmd)))
3885 /* passthru - just returns the raw result */
3886 return;
3887
3888 errcode = DID_OK;
3889
3890 if (((basic_status & IPS_GSC_STATUS_MASK) == IPS_CMD_SUCCESS) ||
3891 ((basic_status & IPS_GSC_STATUS_MASK) == IPS_CMD_RECOVERED_ERROR)) {
3892
3893 if (scb->bus == 0) {
3894 if ((basic_status & IPS_GSC_STATUS_MASK) ==
3895 IPS_CMD_RECOVERED_ERROR) {
3896 DEBUG_VAR(1,
3897 "(%s%d) Recovered Logical Drive Error OpCode: %x, BSB: %x, ESB: %x",
3898 ips_name, ha->host_num,
3899 scb->cmd.basic_io.op_code,
3900 basic_status, ext_status);
3901 }
3902
3903 switch (scb->scsi_cmd->cmnd[0]) {
3904 case ALLOW_MEDIUM_REMOVAL:
3905 case REZERO_UNIT:
3906 case ERASE:
3907 case WRITE_FILEMARKS:
3908 case SPACE:
3909 errcode = DID_ERROR;
3910 break;
3911
3912 case START_STOP:
3913 break;
3914
3915 case TEST_UNIT_READY:
3916 if (!ips_online(ha, scb)) {
3917 errcode = DID_TIME_OUT;
3918 }
3919 break;
3920
3921 case INQUIRY:
3922 if (ips_online(ha, scb)) {
3923 ips_inquiry(ha, scb);
3924 } else {
3925 errcode = DID_TIME_OUT;
3926 }
3927 break;
3928
3929 case REQUEST_SENSE:
3930 ips_reqsen(ha, scb);
3931 break;
3932
3933 case READ_6:
3934 case WRITE_6:
3935 case READ_10:
3936 case WRITE_10:
3937 case RESERVE:
3938 case RELEASE:
3939 break;
3940
3941 case MODE_SENSE:
3942 if (!ips_online(ha, scb)
3943 || !ips_msense(ha, scb)) {
3944 errcode = DID_ERROR;
3945 }
3946 break;
3947
3948 case READ_CAPACITY:
3949 if (ips_online(ha, scb))
3950 ips_rdcap(ha, scb);
3951 else {
3952 errcode = DID_TIME_OUT;
3953 }
3954 break;
3955
3956 case SEND_DIAGNOSTIC:
3957 case REASSIGN_BLOCKS:
3958 break;
3959
3960 case FORMAT_UNIT:
3961 errcode = DID_ERROR;
3962 break;
3963
3964 case SEEK_10:
3965 case VERIFY:
3966 case READ_DEFECT_DATA:
3967 case READ_BUFFER:
3968 case WRITE_BUFFER:
3969 break;
3970
3971 default:
3972 errcode = DID_ERROR;
3973 } /* end switch */
3974
3975 scb->scsi_cmd->result = errcode << 16;
3976 } else { /* bus == 0 */
3977 /* restrict access to physical drives */
3978 if (scb->scsi_cmd->cmnd[0] == INQUIRY) {
3979 ips_scmd_buf_read(scb->scsi_cmd,
3980 &inquiryData, sizeof (inquiryData));
3981 if ((inquiryData.DeviceType & 0x1f) == TYPE_DISK)
3982 scb->scsi_cmd->result = DID_TIME_OUT << 16;
3983 }
3984 } /* else */
3985 } else { /* recovered error / success */
3986 if (scb->bus == 0) {
3987 DEBUG_VAR(1,
3988 "(%s%d) Unrecovered Logical Drive Error OpCode: %x, BSB: %x, ESB: %x",
3989 ips_name, ha->host_num,
3990 scb->cmd.basic_io.op_code, basic_status,
3991 ext_status);
3992 }
3993
3994 ips_map_status(ha, scb, sp);
3995 } /* else */
3996}
3997
3998/****************************************************************************/
3999/* */
4000/* Routine Name: ips_online */
4001/* */
4002/* Routine Description: */
4003/* */
4004/* Determine if a logical drive is online */
4005/* */
4006/****************************************************************************/
4007static int
4008ips_online(ips_ha_t * ha, ips_scb_t * scb)
4009{
4010 METHOD_TRACE("ips_online", 1);
4011
4012 if (scb->target_id >= IPS_MAX_LD)
4013 return (0);
4014
4015 if ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1) {
4016 memset(ha->logical_drive_info, 0, sizeof (IPS_LD_INFO));
4017 return (0);
4018 }
4019
4020 if (ha->logical_drive_info->drive_info[scb->target_id].state !=
4021 IPS_LD_OFFLINE
4022 && ha->logical_drive_info->drive_info[scb->target_id].state !=
4023 IPS_LD_FREE
4024 && ha->logical_drive_info->drive_info[scb->target_id].state !=
4025 IPS_LD_CRS
4026 && ha->logical_drive_info->drive_info[scb->target_id].state !=
4027 IPS_LD_SYS)
4028 return (1);
4029 else
4030 return (0);
4031}
4032
4033/****************************************************************************/
4034/* */
4035/* Routine Name: ips_inquiry */
4036/* */
4037/* Routine Description: */
4038/* */
4039/* Simulate an inquiry command to a logical drive */
4040/* */
4041/****************************************************************************/
4042static int
4043ips_inquiry(ips_ha_t * ha, ips_scb_t * scb)
4044{
4045 IPS_SCSI_INQ_DATA inquiry;
4046
4047 METHOD_TRACE("ips_inquiry", 1);
4048
4049 memset(&inquiry, 0, sizeof (IPS_SCSI_INQ_DATA));
4050
4051 inquiry.DeviceType = IPS_SCSI_INQ_TYPE_DASD;
4052 inquiry.DeviceTypeQualifier = IPS_SCSI_INQ_LU_CONNECTED;
4053 inquiry.Version = IPS_SCSI_INQ_REV2;
4054 inquiry.ResponseDataFormat = IPS_SCSI_INQ_RD_REV2;
4055 inquiry.AdditionalLength = 31;
4056 inquiry.Flags[0] = IPS_SCSI_INQ_Address16;
4057 inquiry.Flags[1] =
4058 IPS_SCSI_INQ_WBus16 | IPS_SCSI_INQ_Sync | IPS_SCSI_INQ_CmdQue;
4059 strncpy(inquiry.VendorId, "IBM ", 8);
4060 strncpy(inquiry.ProductId, "SERVERAID ", 16);
4061 strncpy(inquiry.ProductRevisionLevel, "1.00", 4);
4062
4063 ips_scmd_buf_write(scb->scsi_cmd, &inquiry, sizeof (inquiry));
4064
4065 return (1);
4066}
4067
4068/****************************************************************************/
4069/* */
4070/* Routine Name: ips_rdcap */
4071/* */
4072/* Routine Description: */
4073/* */
4074/* Simulate a read capacity command to a logical drive */
4075/* */
4076/****************************************************************************/
4077static int
4078ips_rdcap(ips_ha_t * ha, ips_scb_t * scb)
4079{
4080 IPS_SCSI_CAPACITY cap;
4081
4082 METHOD_TRACE("ips_rdcap", 1);
4083
4084 if (scsi_bufflen(scb->scsi_cmd) < 8)
4085 return (0);
4086
4087 cap.lba =
4088 cpu_to_be32(le32_to_cpu
4089 (ha->logical_drive_info->
4090 drive_info[scb->target_id].sector_count) - 1);
4091 cap.len = cpu_to_be32((uint32_t) IPS_BLKSIZE);
4092
4093 ips_scmd_buf_write(scb->scsi_cmd, &cap, sizeof (cap));
4094
4095 return (1);
4096}
4097
4098/****************************************************************************/
4099/* */
4100/* Routine Name: ips_msense */
4101/* */
4102/* Routine Description: */
4103/* */
4104/* Simulate a mode sense command to a logical drive */
4105/* */
4106/****************************************************************************/
4107static int
4108ips_msense(ips_ha_t * ha, ips_scb_t * scb)
4109{
4110 uint16_t heads;
4111 uint16_t sectors;
4112 uint32_t cylinders;
4113 IPS_SCSI_MODE_PAGE_DATA mdata;
4114
4115 METHOD_TRACE("ips_msense", 1);
4116
4117 if (le32_to_cpu(ha->enq->ulDriveSize[scb->target_id]) > 0x400000 &&
4118 (ha->enq->ucMiscFlag & 0x8) == 0) {
4119 heads = IPS_NORM_HEADS;
4120 sectors = IPS_NORM_SECTORS;
4121 } else {
4122 heads = IPS_COMP_HEADS;
4123 sectors = IPS_COMP_SECTORS;
4124 }
4125
4126 cylinders =
4127 (le32_to_cpu(ha->enq->ulDriveSize[scb->target_id]) -
4128 1) / (heads * sectors);
4129
4130 memset(&mdata, 0, sizeof (IPS_SCSI_MODE_PAGE_DATA));
4131
4132 mdata.hdr.BlockDescLength = 8;
4133
4134 switch (scb->scsi_cmd->cmnd[2] & 0x3f) {
4135 case 0x03: /* page 3 */
4136 mdata.pdata.pg3.PageCode = 3;
4137 mdata.pdata.pg3.PageLength = sizeof (IPS_SCSI_MODE_PAGE3);
4138 mdata.hdr.DataLength =
4139 3 + mdata.hdr.BlockDescLength + mdata.pdata.pg3.PageLength;
4140 mdata.pdata.pg3.TracksPerZone = 0;
4141 mdata.pdata.pg3.AltSectorsPerZone = 0;
4142 mdata.pdata.pg3.AltTracksPerZone = 0;
4143 mdata.pdata.pg3.AltTracksPerVolume = 0;
4144 mdata.pdata.pg3.SectorsPerTrack = cpu_to_be16(sectors);
4145 mdata.pdata.pg3.BytesPerSector = cpu_to_be16(IPS_BLKSIZE);
4146 mdata.pdata.pg3.Interleave = cpu_to_be16(1);
4147 mdata.pdata.pg3.TrackSkew = 0;
4148 mdata.pdata.pg3.CylinderSkew = 0;
4149 mdata.pdata.pg3.flags = IPS_SCSI_MP3_SoftSector;
4150 break;
4151
4152 case 0x4:
4153 mdata.pdata.pg4.PageCode = 4;
4154 mdata.pdata.pg4.PageLength = sizeof (IPS_SCSI_MODE_PAGE4);
4155 mdata.hdr.DataLength =
4156 3 + mdata.hdr.BlockDescLength + mdata.pdata.pg4.PageLength;
4157 mdata.pdata.pg4.CylindersHigh =
4158 cpu_to_be16((cylinders >> 8) & 0xFFFF);
4159 mdata.pdata.pg4.CylindersLow = (cylinders & 0xFF);
4160 mdata.pdata.pg4.Heads = heads;
4161 mdata.pdata.pg4.WritePrecompHigh = 0;
4162 mdata.pdata.pg4.WritePrecompLow = 0;
4163 mdata.pdata.pg4.ReducedWriteCurrentHigh = 0;
4164 mdata.pdata.pg4.ReducedWriteCurrentLow = 0;
4165 mdata.pdata.pg4.StepRate = cpu_to_be16(1);
4166 mdata.pdata.pg4.LandingZoneHigh = 0;
4167 mdata.pdata.pg4.LandingZoneLow = 0;
4168 mdata.pdata.pg4.flags = 0;
4169 mdata.pdata.pg4.RotationalOffset = 0;
4170 mdata.pdata.pg4.MediumRotationRate = 0;
4171 break;
4172 case 0x8:
4173 mdata.pdata.pg8.PageCode = 8;
4174 mdata.pdata.pg8.PageLength = sizeof (IPS_SCSI_MODE_PAGE8);
4175 mdata.hdr.DataLength =
4176 3 + mdata.hdr.BlockDescLength + mdata.pdata.pg8.PageLength;
4177 /* everything else is left set to 0 */
4178 break;
4179
4180 default:
4181 return (0);
4182 } /* end switch */
4183
4184 ips_scmd_buf_write(scb->scsi_cmd, &mdata, sizeof (mdata));
4185
4186 return (1);
4187}
4188
4189/****************************************************************************/
4190/* */
4191/* Routine Name: ips_reqsen */
4192/* */
4193/* Routine Description: */
4194/* */
4195/* Simulate a request sense command to a logical drive */
4196/* */
4197/****************************************************************************/
4198static int
4199ips_reqsen(ips_ha_t * ha, ips_scb_t * scb)
4200{
4201 IPS_SCSI_REQSEN reqsen;
4202
4203 METHOD_TRACE("ips_reqsen", 1);
4204
4205 memset(&reqsen, 0, sizeof (IPS_SCSI_REQSEN));
4206
4207 reqsen.ResponseCode =
4208 IPS_SCSI_REQSEN_VALID | IPS_SCSI_REQSEN_CURRENT_ERR;
4209 reqsen.AdditionalLength = 10;
4210 reqsen.AdditionalSenseCode = IPS_SCSI_REQSEN_NO_SENSE;
4211 reqsen.AdditionalSenseCodeQual = IPS_SCSI_REQSEN_NO_SENSE;
4212
4213 ips_scmd_buf_write(scb->scsi_cmd, &reqsen, sizeof (reqsen));
4214
4215 return (1);
4216}
4217
4218/****************************************************************************/
4219/* */
4220/* Routine Name: ips_free */
4221/* */
4222/* Routine Description: */
4223/* */
4224/* Free any allocated space for this controller */
4225/* */
4226/****************************************************************************/
4227static void
4228ips_free(ips_ha_t * ha)
4229{
4230
4231 METHOD_TRACE("ips_free", 1);
4232
4233 if (ha) {
4234 if (ha->enq) {
4235 pci_free_consistent(ha->pcidev, sizeof(IPS_ENQ),
4236 ha->enq, ha->enq_busaddr);
4237 ha->enq = NULL;
4238 }
4239
4240 kfree(ha->conf);
4241 ha->conf = NULL;
4242
4243 if (ha->adapt) {
4244 pci_free_consistent(ha->pcidev,
4245 sizeof (IPS_ADAPTER) +
4246 sizeof (IPS_IO_CMD), ha->adapt,
4247 ha->adapt->hw_status_start);
4248 ha->adapt = NULL;
4249 }
4250
4251 if (ha->logical_drive_info) {
4252 pci_free_consistent(ha->pcidev,
4253 sizeof (IPS_LD_INFO),
4254 ha->logical_drive_info,
4255 ha->logical_drive_info_dma_addr);
4256 ha->logical_drive_info = NULL;
4257 }
4258
4259 kfree(ha->nvram);
4260 ha->nvram = NULL;
4261
4262 kfree(ha->subsys);
4263 ha->subsys = NULL;
4264
4265 if (ha->ioctl_data) {
4266 pci_free_consistent(ha->pcidev, ha->ioctl_len,
4267 ha->ioctl_data, ha->ioctl_busaddr);
4268 ha->ioctl_data = NULL;
4269 ha->ioctl_datasize = 0;
4270 ha->ioctl_len = 0;
4271 }
4272 ips_deallocatescbs(ha, ha->max_cmds);
4273
4274 /* free memory mapped (if applicable) */
4275 if (ha->mem_ptr) {
4276 iounmap(ha->ioremap_ptr);
4277 ha->ioremap_ptr = NULL;
4278 ha->mem_ptr = NULL;
4279 }
4280
4281 ha->mem_addr = 0;
4282
4283 }
4284}
4285
4286/****************************************************************************/
4287/* */
4288/* Routine Name: ips_deallocatescbs */
4289/* */
4290/* Routine Description: */
4291/* */
4292/* Free the command blocks */
4293/* */
4294/****************************************************************************/
4295static int
4296ips_deallocatescbs(ips_ha_t * ha, int cmds)
4297{
4298 if (ha->scbs) {
4299 pci_free_consistent(ha->pcidev,
4300 IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * cmds,
4301 ha->scbs->sg_list.list,
4302 ha->scbs->sg_busaddr);
4303 pci_free_consistent(ha->pcidev, sizeof (ips_scb_t) * cmds,
4304 ha->scbs, ha->scbs->scb_busaddr);
4305 ha->scbs = NULL;
4306 } /* end if */
4307 return 1;
4308}
4309
4310/****************************************************************************/
4311/* */
4312/* Routine Name: ips_allocatescbs */
4313/* */
4314/* Routine Description: */
4315/* */
4316/* Allocate the command blocks */
4317/* */
4318/****************************************************************************/
4319static int
4320ips_allocatescbs(ips_ha_t * ha)
4321{
4322 ips_scb_t *scb_p;
4323 IPS_SG_LIST ips_sg;
4324 int i;
4325 dma_addr_t command_dma, sg_dma;
4326
4327 METHOD_TRACE("ips_allocatescbs", 1);
4328
4329 /* Allocate memory for the SCBs */
4330 ha->scbs =
4331 pci_alloc_consistent(ha->pcidev, ha->max_cmds * sizeof (ips_scb_t),
4332 &command_dma);
4333 if (ha->scbs == NULL)
4334 return 0;
4335 ips_sg.list =
4336 pci_alloc_consistent(ha->pcidev,
4337 IPS_SGLIST_SIZE(ha) * IPS_MAX_SG *
4338 ha->max_cmds, &sg_dma);
4339 if (ips_sg.list == NULL) {
4340 pci_free_consistent(ha->pcidev,
4341 ha->max_cmds * sizeof (ips_scb_t), ha->scbs,
4342 command_dma);
4343 return 0;
4344 }
4345
4346 memset(ha->scbs, 0, ha->max_cmds * sizeof (ips_scb_t));
4347
4348 for (i = 0; i < ha->max_cmds; i++) {
4349 scb_p = &ha->scbs[i];
4350 scb_p->scb_busaddr = command_dma + sizeof (ips_scb_t) * i;
4351 /* set up S/G list */
4352 if (IPS_USE_ENH_SGLIST(ha)) {
4353 scb_p->sg_list.enh_list =
4354 ips_sg.enh_list + i * IPS_MAX_SG;
4355 scb_p->sg_busaddr =
4356 sg_dma + IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * i;
4357 } else {
4358 scb_p->sg_list.std_list =
4359 ips_sg.std_list + i * IPS_MAX_SG;
4360 scb_p->sg_busaddr =
4361 sg_dma + IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * i;
4362 }
4363
4364 /* add to the free list */
4365 if (i < ha->max_cmds - 1) {
4366 scb_p->q_next = ha->scb_freelist;
4367 ha->scb_freelist = scb_p;
4368 }
4369 }
4370
4371 /* success */
4372 return (1);
4373}
4374
4375/****************************************************************************/
4376/* */
4377/* Routine Name: ips_init_scb */
4378/* */
4379/* Routine Description: */
4380/* */
4381/* Initialize a CCB to default values */
4382/* */
4383/****************************************************************************/
4384static void
4385ips_init_scb(ips_ha_t * ha, ips_scb_t * scb)
4386{
4387 IPS_SG_LIST sg_list;
4388 uint32_t cmd_busaddr, sg_busaddr;
4389 METHOD_TRACE("ips_init_scb", 1);
4390
4391 if (scb == NULL)
4392 return;
4393
4394 sg_list.list = scb->sg_list.list;
4395 cmd_busaddr = scb->scb_busaddr;
4396 sg_busaddr = scb->sg_busaddr;
4397 /* zero fill */
4398 memset(scb, 0, sizeof (ips_scb_t));
4399 memset(ha->dummy, 0, sizeof (IPS_IO_CMD));
4400
4401 /* Initialize dummy command bucket */
4402 ha->dummy->op_code = 0xFF;
4403 ha->dummy->ccsar = cpu_to_le32(ha->adapt->hw_status_start
4404 + sizeof (IPS_ADAPTER));
4405 ha->dummy->command_id = IPS_MAX_CMDS;
4406
4407 /* set bus address of scb */
4408 scb->scb_busaddr = cmd_busaddr;
4409 scb->sg_busaddr = sg_busaddr;
4410 scb->sg_list.list = sg_list.list;
4411
4412 /* Neptune Fix */
4413 scb->cmd.basic_io.cccr = cpu_to_le32((uint32_t) IPS_BIT_ILE);
4414 scb->cmd.basic_io.ccsar = cpu_to_le32(ha->adapt->hw_status_start
4415 + sizeof (IPS_ADAPTER));
4416}
4417
4418/****************************************************************************/
4419/* */
4420/* Routine Name: ips_get_scb */
4421/* */
4422/* Routine Description: */
4423/* */
4424/* Initialize a CCB to default values */
4425/* */
4426/* ASSUMED to be called from within a lock */
4427/* */
4428/****************************************************************************/
4429static ips_scb_t *
4430ips_getscb(ips_ha_t * ha)
4431{
4432 ips_scb_t *scb;
4433
4434 METHOD_TRACE("ips_getscb", 1);
4435
4436 if ((scb = ha->scb_freelist) == NULL) {
4437
4438 return (NULL);
4439 }
4440
4441 ha->scb_freelist = scb->q_next;
4442 scb->flags = 0;
4443 scb->q_next = NULL;
4444
4445 ips_init_scb(ha, scb);
4446
4447 return (scb);
4448}
4449
4450/****************************************************************************/
4451/* */
4452/* Routine Name: ips_free_scb */
4453/* */
4454/* Routine Description: */
4455/* */
4456/* Return an unused CCB back to the free list */
4457/* */
4458/* ASSUMED to be called from within a lock */
4459/* */
4460/****************************************************************************/
4461static void
4462ips_freescb(ips_ha_t * ha, ips_scb_t * scb)
4463{
4464
4465 METHOD_TRACE("ips_freescb", 1);
4466 if (scb->flags & IPS_SCB_MAP_SG)
4467 scsi_dma_unmap(scb->scsi_cmd);
4468 else if (scb->flags & IPS_SCB_MAP_SINGLE)
4469 pci_unmap_single(ha->pcidev, scb->data_busaddr, scb->data_len,
4470 IPS_DMA_DIR(scb));
4471
4472 /* check to make sure this is not our "special" scb */
4473 if (IPS_COMMAND_ID(ha, scb) < (ha->max_cmds - 1)) {
4474 scb->q_next = ha->scb_freelist;
4475 ha->scb_freelist = scb;
4476 }
4477}
4478
4479/****************************************************************************/
4480/* */
4481/* Routine Name: ips_isinit_copperhead */
4482/* */
4483/* Routine Description: */
4484/* */
4485/* Is controller initialized ? */
4486/* */
4487/****************************************************************************/
4488static int
4489ips_isinit_copperhead(ips_ha_t * ha)
4490{
4491 uint8_t scpr;
4492 uint8_t isr;
4493
4494 METHOD_TRACE("ips_isinit_copperhead", 1);
4495
4496 isr = inb(ha->io_addr + IPS_REG_HISR);
4497 scpr = inb(ha->io_addr + IPS_REG_SCPR);
4498
4499 if (((isr & IPS_BIT_EI) == 0) && ((scpr & IPS_BIT_EBM) == 0))
4500 return (0);
4501 else
4502 return (1);
4503}
4504
4505/****************************************************************************/
4506/* */
4507/* Routine Name: ips_isinit_copperhead_memio */
4508/* */
4509/* Routine Description: */
4510/* */
4511/* Is controller initialized ? */
4512/* */
4513/****************************************************************************/
4514static int
4515ips_isinit_copperhead_memio(ips_ha_t * ha)
4516{
4517 uint8_t isr = 0;
4518 uint8_t scpr;
4519
4520 METHOD_TRACE("ips_is_init_copperhead_memio", 1);
4521
4522 isr = readb(ha->mem_ptr + IPS_REG_HISR);
4523 scpr = readb(ha->mem_ptr + IPS_REG_SCPR);
4524
4525 if (((isr & IPS_BIT_EI) == 0) && ((scpr & IPS_BIT_EBM) == 0))
4526 return (0);
4527 else
4528 return (1);
4529}
4530
4531/****************************************************************************/
4532/* */
4533/* Routine Name: ips_isinit_morpheus */
4534/* */
4535/* Routine Description: */
4536/* */
4537/* Is controller initialized ? */
4538/* */
4539/****************************************************************************/
4540static int
4541ips_isinit_morpheus(ips_ha_t * ha)
4542{
4543 uint32_t post;
4544 uint32_t bits;
4545
4546 METHOD_TRACE("ips_is_init_morpheus", 1);
4547
4548 if (ips_isintr_morpheus(ha))
4549 ips_flush_and_reset(ha);
4550
4551 post = readl(ha->mem_ptr + IPS_REG_I960_MSG0);
4552 bits = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
4553
4554 if (post == 0)
4555 return (0);
4556 else if (bits & 0x3)
4557 return (0);
4558 else
4559 return (1);
4560}
4561
4562/****************************************************************************/
4563/* */
4564/* Routine Name: ips_flush_and_reset */
4565/* */
4566/* Routine Description: */
4567/* */
4568/* Perform cleanup ( FLUSH and RESET ) when the adapter is in an unknown */
4569/* state ( was trying to INIT and an interrupt was already pending ) ... */
4570/* */
4571/****************************************************************************/
4572static void
4573ips_flush_and_reset(ips_ha_t *ha)
4574{
4575 ips_scb_t *scb;
4576 int ret;
4577 int time;
4578 int done;
4579 dma_addr_t command_dma;
4580
4581 /* Create a usuable SCB */
4582 scb = pci_alloc_consistent(ha->pcidev, sizeof(ips_scb_t), &command_dma);
4583 if (scb) {
4584 memset(scb, 0, sizeof(ips_scb_t));
4585 ips_init_scb(ha, scb);
4586 scb->scb_busaddr = command_dma;
4587
4588 scb->timeout = ips_cmd_timeout;
4589 scb->cdb[0] = IPS_CMD_FLUSH;
4590
4591 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
4592 scb->cmd.flush_cache.command_id = IPS_MAX_CMDS; /* Use an ID that would otherwise not exist */
4593 scb->cmd.flush_cache.state = IPS_NORM_STATE;
4594 scb->cmd.flush_cache.reserved = 0;
4595 scb->cmd.flush_cache.reserved2 = 0;
4596 scb->cmd.flush_cache.reserved3 = 0;
4597 scb->cmd.flush_cache.reserved4 = 0;
4598
4599 ret = ips_send_cmd(ha, scb); /* Send the Flush Command */
4600
4601 if (ret == IPS_SUCCESS) {
4602 time = 60 * IPS_ONE_SEC; /* Max Wait time is 60 seconds */
4603 done = 0;
4604
4605 while ((time > 0) && (!done)) {
4606 done = ips_poll_for_flush_complete(ha);
4607 /* This may look evil, but it's only done during extremely rare start-up conditions ! */
4608 udelay(1000);
4609 time--;
4610 }
4611 }
4612 }
4613
4614 /* Now RESET and INIT the adapter */
4615 (*ha->func.reset) (ha);
4616
4617 pci_free_consistent(ha->pcidev, sizeof(ips_scb_t), scb, command_dma);
4618 return;
4619}
4620
4621/****************************************************************************/
4622/* */
4623/* Routine Name: ips_poll_for_flush_complete */
4624/* */
4625/* Routine Description: */
4626/* */
4627/* Poll for the Flush Command issued by ips_flush_and_reset() to complete */
4628/* All other responses are just taken off the queue and ignored */
4629/* */
4630/****************************************************************************/
4631static int
4632ips_poll_for_flush_complete(ips_ha_t * ha)
4633{
4634 IPS_STATUS cstatus;
4635
4636 while (TRUE) {
4637 cstatus.value = (*ha->func.statupd) (ha);
4638
4639 if (cstatus.value == 0xffffffff) /* If No Interrupt to process */
4640 break;
4641
4642 /* Success is when we see the Flush Command ID */
4643 if (cstatus.fields.command_id == IPS_MAX_CMDS)
4644 return 1;
4645 }
4646
4647 return 0;
4648}
4649
4650/****************************************************************************/
4651/* */
4652/* Routine Name: ips_enable_int_copperhead */
4653/* */
4654/* Routine Description: */
4655/* Turn on interrupts */
4656/* */
4657/****************************************************************************/
4658static void
4659ips_enable_int_copperhead(ips_ha_t * ha)
4660{
4661 METHOD_TRACE("ips_enable_int_copperhead", 1);
4662
4663 outb(ha->io_addr + IPS_REG_HISR, IPS_BIT_EI);
4664 inb(ha->io_addr + IPS_REG_HISR); /*Ensure PCI Posting Completes*/
4665}
4666
4667/****************************************************************************/
4668/* */
4669/* Routine Name: ips_enable_int_copperhead_memio */
4670/* */
4671/* Routine Description: */
4672/* Turn on interrupts */
4673/* */
4674/****************************************************************************/
4675static void
4676ips_enable_int_copperhead_memio(ips_ha_t * ha)
4677{
4678 METHOD_TRACE("ips_enable_int_copperhead_memio", 1);
4679
4680 writeb(IPS_BIT_EI, ha->mem_ptr + IPS_REG_HISR);
4681 readb(ha->mem_ptr + IPS_REG_HISR); /*Ensure PCI Posting Completes*/
4682}
4683
4684/****************************************************************************/
4685/* */
4686/* Routine Name: ips_enable_int_morpheus */
4687/* */
4688/* Routine Description: */
4689/* Turn on interrupts */
4690/* */
4691/****************************************************************************/
4692static void
4693ips_enable_int_morpheus(ips_ha_t * ha)
4694{
4695 uint32_t Oimr;
4696
4697 METHOD_TRACE("ips_enable_int_morpheus", 1);
4698
4699 Oimr = readl(ha->mem_ptr + IPS_REG_I960_OIMR);
4700 Oimr &= ~0x08;
4701 writel(Oimr, ha->mem_ptr + IPS_REG_I960_OIMR);
4702 readl(ha->mem_ptr + IPS_REG_I960_OIMR); /*Ensure PCI Posting Completes*/
4703}
4704
4705/****************************************************************************/
4706/* */
4707/* Routine Name: ips_init_copperhead */
4708/* */
4709/* Routine Description: */
4710/* */
4711/* Initialize a copperhead controller */
4712/* */
4713/****************************************************************************/
4714static int
4715ips_init_copperhead(ips_ha_t * ha)
4716{
4717 uint8_t Isr;
4718 uint8_t Cbsp;
4719 uint8_t PostByte[IPS_MAX_POST_BYTES];
4720 uint8_t ConfigByte[IPS_MAX_CONFIG_BYTES];
4721 int i, j;
4722
4723 METHOD_TRACE("ips_init_copperhead", 1);
4724
4725 for (i = 0; i < IPS_MAX_POST_BYTES; i++) {
4726 for (j = 0; j < 45; j++) {
4727 Isr = inb(ha->io_addr + IPS_REG_HISR);
4728 if (Isr & IPS_BIT_GHI)
4729 break;
4730
4731 /* Delay for 1 Second */
4732 MDELAY(IPS_ONE_SEC);
4733 }
4734
4735 if (j >= 45)
4736 /* error occurred */
4737 return (0);
4738
4739 PostByte[i] = inb(ha->io_addr + IPS_REG_ISPR);
4740 outb(Isr, ha->io_addr + IPS_REG_HISR);
4741 }
4742
4743 if (PostByte[0] < IPS_GOOD_POST_STATUS) {
4744 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4745 "reset controller fails (post status %x %x).\n",
4746 PostByte[0], PostByte[1]);
4747
4748 return (0);
4749 }
4750
4751 for (i = 0; i < IPS_MAX_CONFIG_BYTES; i++) {
4752 for (j = 0; j < 240; j++) {
4753 Isr = inb(ha->io_addr + IPS_REG_HISR);
4754 if (Isr & IPS_BIT_GHI)
4755 break;
4756
4757 /* Delay for 1 Second */
4758 MDELAY(IPS_ONE_SEC);
4759 }
4760
4761 if (j >= 240)
4762 /* error occurred */
4763 return (0);
4764
4765 ConfigByte[i] = inb(ha->io_addr + IPS_REG_ISPR);
4766 outb(Isr, ha->io_addr + IPS_REG_HISR);
4767 }
4768
4769 for (i = 0; i < 240; i++) {
4770 Cbsp = inb(ha->io_addr + IPS_REG_CBSP);
4771
4772 if ((Cbsp & IPS_BIT_OP) == 0)
4773 break;
4774
4775 /* Delay for 1 Second */
4776 MDELAY(IPS_ONE_SEC);
4777 }
4778
4779 if (i >= 240)
4780 /* reset failed */
4781 return (0);
4782
4783 /* setup CCCR */
4784 outl(0x1010, ha->io_addr + IPS_REG_CCCR);
4785
4786 /* Enable busmastering */
4787 outb(IPS_BIT_EBM, ha->io_addr + IPS_REG_SCPR);
4788
4789 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
4790 /* fix for anaconda64 */
4791 outl(0, ha->io_addr + IPS_REG_NDAE);
4792
4793 /* Enable interrupts */
4794 outb(IPS_BIT_EI, ha->io_addr + IPS_REG_HISR);
4795
4796 return (1);
4797}
4798
4799/****************************************************************************/
4800/* */
4801/* Routine Name: ips_init_copperhead_memio */
4802/* */
4803/* Routine Description: */
4804/* */
4805/* Initialize a copperhead controller with memory mapped I/O */
4806/* */
4807/****************************************************************************/
4808static int
4809ips_init_copperhead_memio(ips_ha_t * ha)
4810{
4811 uint8_t Isr = 0;
4812 uint8_t Cbsp;
4813 uint8_t PostByte[IPS_MAX_POST_BYTES];
4814 uint8_t ConfigByte[IPS_MAX_CONFIG_BYTES];
4815 int i, j;
4816
4817 METHOD_TRACE("ips_init_copperhead_memio", 1);
4818
4819 for (i = 0; i < IPS_MAX_POST_BYTES; i++) {
4820 for (j = 0; j < 45; j++) {
4821 Isr = readb(ha->mem_ptr + IPS_REG_HISR);
4822 if (Isr & IPS_BIT_GHI)
4823 break;
4824
4825 /* Delay for 1 Second */
4826 MDELAY(IPS_ONE_SEC);
4827 }
4828
4829 if (j >= 45)
4830 /* error occurred */
4831 return (0);
4832
4833 PostByte[i] = readb(ha->mem_ptr + IPS_REG_ISPR);
4834 writeb(Isr, ha->mem_ptr + IPS_REG_HISR);
4835 }
4836
4837 if (PostByte[0] < IPS_GOOD_POST_STATUS) {
4838 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4839 "reset controller fails (post status %x %x).\n",
4840 PostByte[0], PostByte[1]);
4841
4842 return (0);
4843 }
4844
4845 for (i = 0; i < IPS_MAX_CONFIG_BYTES; i++) {
4846 for (j = 0; j < 240; j++) {
4847 Isr = readb(ha->mem_ptr + IPS_REG_HISR);
4848 if (Isr & IPS_BIT_GHI)
4849 break;
4850
4851 /* Delay for 1 Second */
4852 MDELAY(IPS_ONE_SEC);
4853 }
4854
4855 if (j >= 240)
4856 /* error occurred */
4857 return (0);
4858
4859 ConfigByte[i] = readb(ha->mem_ptr + IPS_REG_ISPR);
4860 writeb(Isr, ha->mem_ptr + IPS_REG_HISR);
4861 }
4862
4863 for (i = 0; i < 240; i++) {
4864 Cbsp = readb(ha->mem_ptr + IPS_REG_CBSP);
4865
4866 if ((Cbsp & IPS_BIT_OP) == 0)
4867 break;
4868
4869 /* Delay for 1 Second */
4870 MDELAY(IPS_ONE_SEC);
4871 }
4872
4873 if (i >= 240)
4874 /* error occurred */
4875 return (0);
4876
4877 /* setup CCCR */
4878 writel(0x1010, ha->mem_ptr + IPS_REG_CCCR);
4879
4880 /* Enable busmastering */
4881 writeb(IPS_BIT_EBM, ha->mem_ptr + IPS_REG_SCPR);
4882
4883 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
4884 /* fix for anaconda64 */
4885 writel(0, ha->mem_ptr + IPS_REG_NDAE);
4886
4887 /* Enable interrupts */
4888 writeb(IPS_BIT_EI, ha->mem_ptr + IPS_REG_HISR);
4889
4890 /* if we get here then everything went OK */
4891 return (1);
4892}
4893
4894/****************************************************************************/
4895/* */
4896/* Routine Name: ips_init_morpheus */
4897/* */
4898/* Routine Description: */
4899/* */
4900/* Initialize a morpheus controller */
4901/* */
4902/****************************************************************************/
4903static int
4904ips_init_morpheus(ips_ha_t * ha)
4905{
4906 uint32_t Post;
4907 uint32_t Config;
4908 uint32_t Isr;
4909 uint32_t Oimr;
4910 int i;
4911
4912 METHOD_TRACE("ips_init_morpheus", 1);
4913
4914 /* Wait up to 45 secs for Post */
4915 for (i = 0; i < 45; i++) {
4916 Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
4917
4918 if (Isr & IPS_BIT_I960_MSG0I)
4919 break;
4920
4921 /* Delay for 1 Second */
4922 MDELAY(IPS_ONE_SEC);
4923 }
4924
4925 if (i >= 45) {
4926 /* error occurred */
4927 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4928 "timeout waiting for post.\n");
4929
4930 return (0);
4931 }
4932
4933 Post = readl(ha->mem_ptr + IPS_REG_I960_MSG0);
4934
4935 if (Post == 0x4F00) { /* If Flashing the Battery PIC */
4936 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4937 "Flashing Battery PIC, Please wait ...\n");
4938
4939 /* Clear the interrupt bit */
4940 Isr = (uint32_t) IPS_BIT_I960_MSG0I;
4941 writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR);
4942
4943 for (i = 0; i < 120; i++) { /* Wait Up to 2 Min. for Completion */
4944 Post = readl(ha->mem_ptr + IPS_REG_I960_MSG0);
4945 if (Post != 0x4F00)
4946 break;
4947 /* Delay for 1 Second */
4948 MDELAY(IPS_ONE_SEC);
4949 }
4950
4951 if (i >= 120) {
4952 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4953 "timeout waiting for Battery PIC Flash\n");
4954 return (0);
4955 }
4956
4957 }
4958
4959 /* Clear the interrupt bit */
4960 Isr = (uint32_t) IPS_BIT_I960_MSG0I;
4961 writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR);
4962
4963 if (Post < (IPS_GOOD_POST_STATUS << 8)) {
4964 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4965 "reset controller fails (post status %x).\n", Post);
4966
4967 return (0);
4968 }
4969
4970 /* Wait up to 240 secs for config bytes */
4971 for (i = 0; i < 240; i++) {
4972 Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
4973
4974 if (Isr & IPS_BIT_I960_MSG1I)
4975 break;
4976
4977 /* Delay for 1 Second */
4978 MDELAY(IPS_ONE_SEC);
4979 }
4980
4981 if (i >= 240) {
4982 /* error occurred */
4983 IPS_PRINTK(KERN_WARNING, ha->pcidev,
4984 "timeout waiting for config.\n");
4985
4986 return (0);
4987 }
4988
4989 Config = readl(ha->mem_ptr + IPS_REG_I960_MSG1);
4990
4991 /* Clear interrupt bit */
4992 Isr = (uint32_t) IPS_BIT_I960_MSG1I;
4993 writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR);
4994
4995 /* Turn on the interrupts */
4996 Oimr = readl(ha->mem_ptr + IPS_REG_I960_OIMR);
4997 Oimr &= ~0x8;
4998 writel(Oimr, ha->mem_ptr + IPS_REG_I960_OIMR);
4999
5000 /* if we get here then everything went OK */
5001
5002 /* Since we did a RESET, an EraseStripeLock may be needed */
5003 if (Post == 0xEF10) {
5004 if ((Config == 0x000F) || (Config == 0x0009))
5005 ha->requires_esl = 1;
5006 }
5007
5008 return (1);
5009}
5010
5011/****************************************************************************/
5012/* */
5013/* Routine Name: ips_reset_copperhead */
5014/* */
5015/* Routine Description: */
5016/* */
5017/* Reset the controller */
5018/* */
5019/****************************************************************************/
5020static int
5021ips_reset_copperhead(ips_ha_t * ha)
5022{
5023 int reset_counter;
5024
5025 METHOD_TRACE("ips_reset_copperhead", 1);
5026
5027 DEBUG_VAR(1, "(%s%d) ips_reset_copperhead: io addr: %x, irq: %d",
5028 ips_name, ha->host_num, ha->io_addr, ha->pcidev->irq);
5029
5030 reset_counter = 0;
5031
5032 while (reset_counter < 2) {
5033 reset_counter++;
5034
5035 outb(IPS_BIT_RST, ha->io_addr + IPS_REG_SCPR);
5036
5037 /* Delay for 1 Second */
5038 MDELAY(IPS_ONE_SEC);
5039
5040 outb(0, ha->io_addr + IPS_REG_SCPR);
5041
5042 /* Delay for 1 Second */
5043 MDELAY(IPS_ONE_SEC);
5044
5045 if ((*ha->func.init) (ha))
5046 break;
5047 else if (reset_counter >= 2) {
5048
5049 return (0);
5050 }
5051 }
5052
5053 return (1);
5054}
5055
5056/****************************************************************************/
5057/* */
5058/* Routine Name: ips_reset_copperhead_memio */
5059/* */
5060/* Routine Description: */
5061/* */
5062/* Reset the controller */
5063/* */
5064/****************************************************************************/
5065static int
5066ips_reset_copperhead_memio(ips_ha_t * ha)
5067{
5068 int reset_counter;
5069
5070 METHOD_TRACE("ips_reset_copperhead_memio", 1);
5071
5072 DEBUG_VAR(1, "(%s%d) ips_reset_copperhead_memio: mem addr: %x, irq: %d",
5073 ips_name, ha->host_num, ha->mem_addr, ha->pcidev->irq);
5074
5075 reset_counter = 0;
5076
5077 while (reset_counter < 2) {
5078 reset_counter++;
5079
5080 writeb(IPS_BIT_RST, ha->mem_ptr + IPS_REG_SCPR);
5081
5082 /* Delay for 1 Second */
5083 MDELAY(IPS_ONE_SEC);
5084
5085 writeb(0, ha->mem_ptr + IPS_REG_SCPR);
5086
5087 /* Delay for 1 Second */
5088 MDELAY(IPS_ONE_SEC);
5089
5090 if ((*ha->func.init) (ha))
5091 break;
5092 else if (reset_counter >= 2) {
5093
5094 return (0);
5095 }
5096 }
5097
5098 return (1);
5099}
5100
5101/****************************************************************************/
5102/* */
5103/* Routine Name: ips_reset_morpheus */
5104/* */
5105/* Routine Description: */
5106/* */
5107/* Reset the controller */
5108/* */
5109/****************************************************************************/
5110static int
5111ips_reset_morpheus(ips_ha_t * ha)
5112{
5113 int reset_counter;
5114 uint8_t junk;
5115
5116 METHOD_TRACE("ips_reset_morpheus", 1);
5117
5118 DEBUG_VAR(1, "(%s%d) ips_reset_morpheus: mem addr: %x, irq: %d",
5119 ips_name, ha->host_num, ha->mem_addr, ha->pcidev->irq);
5120
5121 reset_counter = 0;
5122
5123 while (reset_counter < 2) {
5124 reset_counter++;
5125
5126 writel(0x80000000, ha->mem_ptr + IPS_REG_I960_IDR);
5127
5128 /* Delay for 5 Seconds */
5129 MDELAY(5 * IPS_ONE_SEC);
5130
5131 /* Do a PCI config read to wait for adapter */
5132 pci_read_config_byte(ha->pcidev, 4, &junk);
5133
5134 if ((*ha->func.init) (ha))
5135 break;
5136 else if (reset_counter >= 2) {
5137
5138 return (0);
5139 }
5140 }
5141
5142 return (1);
5143}
5144
5145/****************************************************************************/
5146/* */
5147/* Routine Name: ips_statinit */
5148/* */
5149/* Routine Description: */
5150/* */
5151/* Initialize the status queues on the controller */
5152/* */
5153/****************************************************************************/
5154static void
5155ips_statinit(ips_ha_t * ha)
5156{
5157 uint32_t phys_status_start;
5158
5159 METHOD_TRACE("ips_statinit", 1);
5160
5161 ha->adapt->p_status_start = ha->adapt->status;
5162 ha->adapt->p_status_end = ha->adapt->status + IPS_MAX_CMDS;
5163 ha->adapt->p_status_tail = ha->adapt->status;
5164
5165 phys_status_start = ha->adapt->hw_status_start;
5166 outl(phys_status_start, ha->io_addr + IPS_REG_SQSR);
5167 outl(phys_status_start + IPS_STATUS_Q_SIZE,
5168 ha->io_addr + IPS_REG_SQER);
5169 outl(phys_status_start + IPS_STATUS_SIZE,
5170 ha->io_addr + IPS_REG_SQHR);
5171 outl(phys_status_start, ha->io_addr + IPS_REG_SQTR);
5172
5173 ha->adapt->hw_status_tail = phys_status_start;
5174}
5175
5176/****************************************************************************/
5177/* */
5178/* Routine Name: ips_statinit_memio */
5179/* */
5180/* Routine Description: */
5181/* */
5182/* Initialize the status queues on the controller */
5183/* */
5184/****************************************************************************/
5185static void
5186ips_statinit_memio(ips_ha_t * ha)
5187{
5188 uint32_t phys_status_start;
5189
5190 METHOD_TRACE("ips_statinit_memio", 1);
5191
5192 ha->adapt->p_status_start = ha->adapt->status;
5193 ha->adapt->p_status_end = ha->adapt->status + IPS_MAX_CMDS;
5194 ha->adapt->p_status_tail = ha->adapt->status;
5195
5196 phys_status_start = ha->adapt->hw_status_start;
5197 writel(phys_status_start, ha->mem_ptr + IPS_REG_SQSR);
5198 writel(phys_status_start + IPS_STATUS_Q_SIZE,
5199 ha->mem_ptr + IPS_REG_SQER);
5200 writel(phys_status_start + IPS_STATUS_SIZE, ha->mem_ptr + IPS_REG_SQHR);
5201 writel(phys_status_start, ha->mem_ptr + IPS_REG_SQTR);
5202
5203 ha->adapt->hw_status_tail = phys_status_start;
5204}
5205
5206/****************************************************************************/
5207/* */
5208/* Routine Name: ips_statupd_copperhead */
5209/* */
5210/* Routine Description: */
5211/* */
5212/* Remove an element from the status queue */
5213/* */
5214/****************************************************************************/
5215static uint32_t
5216ips_statupd_copperhead(ips_ha_t * ha)
5217{
5218 METHOD_TRACE("ips_statupd_copperhead", 1);
5219
5220 if (ha->adapt->p_status_tail != ha->adapt->p_status_end) {
5221 ha->adapt->p_status_tail++;
5222 ha->adapt->hw_status_tail += sizeof (IPS_STATUS);
5223 } else {
5224 ha->adapt->p_status_tail = ha->adapt->p_status_start;
5225 ha->adapt->hw_status_tail = ha->adapt->hw_status_start;
5226 }
5227
5228 outl(ha->adapt->hw_status_tail,
5229 ha->io_addr + IPS_REG_SQTR);
5230
5231 return (ha->adapt->p_status_tail->value);
5232}
5233
5234/****************************************************************************/
5235/* */
5236/* Routine Name: ips_statupd_copperhead_memio */
5237/* */
5238/* Routine Description: */
5239/* */
5240/* Remove an element from the status queue */
5241/* */
5242/****************************************************************************/
5243static uint32_t
5244ips_statupd_copperhead_memio(ips_ha_t * ha)
5245{
5246 METHOD_TRACE("ips_statupd_copperhead_memio", 1);
5247
5248 if (ha->adapt->p_status_tail != ha->adapt->p_status_end) {
5249 ha->adapt->p_status_tail++;
5250 ha->adapt->hw_status_tail += sizeof (IPS_STATUS);
5251 } else {
5252 ha->adapt->p_status_tail = ha->adapt->p_status_start;
5253 ha->adapt->hw_status_tail = ha->adapt->hw_status_start;
5254 }
5255
5256 writel(ha->adapt->hw_status_tail, ha->mem_ptr + IPS_REG_SQTR);
5257
5258 return (ha->adapt->p_status_tail->value);
5259}
5260
5261/****************************************************************************/
5262/* */
5263/* Routine Name: ips_statupd_morpheus */
5264/* */
5265/* Routine Description: */
5266/* */
5267/* Remove an element from the status queue */
5268/* */
5269/****************************************************************************/
5270static uint32_t
5271ips_statupd_morpheus(ips_ha_t * ha)
5272{
5273 uint32_t val;
5274
5275 METHOD_TRACE("ips_statupd_morpheus", 1);
5276
5277 val = readl(ha->mem_ptr + IPS_REG_I2O_OUTMSGQ);
5278
5279 return (val);
5280}
5281
5282/****************************************************************************/
5283/* */
5284/* Routine Name: ips_issue_copperhead */
5285/* */
5286/* Routine Description: */
5287/* */
5288/* Send a command down to the controller */
5289/* */
5290/****************************************************************************/
5291static int
5292ips_issue_copperhead(ips_ha_t * ha, ips_scb_t * scb)
5293{
5294 uint32_t TimeOut;
5295 uint32_t val;
5296
5297 METHOD_TRACE("ips_issue_copperhead", 1);
5298
5299 if (scb->scsi_cmd) {
5300 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5301 ips_name,
5302 ha->host_num,
5303 scb->cdb[0],
5304 scb->cmd.basic_io.command_id,
5305 scb->bus, scb->target_id, scb->lun);
5306 } else {
5307 DEBUG_VAR(2, KERN_NOTICE "(%s%d) ips_issue: logical cmd id %d",
5308 ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5309 }
5310
5311 TimeOut = 0;
5312
5313 while ((val =
5314 le32_to_cpu(inl(ha->io_addr + IPS_REG_CCCR))) & IPS_BIT_SEM) {
5315 udelay(1000);
5316
5317 if (++TimeOut >= IPS_SEM_TIMEOUT) {
5318 if (!(val & IPS_BIT_START_STOP))
5319 break;
5320
5321 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5322 "ips_issue val [0x%x].\n", val);
5323 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5324 "ips_issue semaphore chk timeout.\n");
5325
5326 return (IPS_FAILURE);
5327 } /* end if */
5328 } /* end while */
5329
5330 outl(scb->scb_busaddr, ha->io_addr + IPS_REG_CCSAR);
5331 outw(IPS_BIT_START_CMD, ha->io_addr + IPS_REG_CCCR);
5332
5333 return (IPS_SUCCESS);
5334}
5335
5336/****************************************************************************/
5337/* */
5338/* Routine Name: ips_issue_copperhead_memio */
5339/* */
5340/* Routine Description: */
5341/* */
5342/* Send a command down to the controller */
5343/* */
5344/****************************************************************************/
5345static int
5346ips_issue_copperhead_memio(ips_ha_t * ha, ips_scb_t * scb)
5347{
5348 uint32_t TimeOut;
5349 uint32_t val;
5350
5351 METHOD_TRACE("ips_issue_copperhead_memio", 1);
5352
5353 if (scb->scsi_cmd) {
5354 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5355 ips_name,
5356 ha->host_num,
5357 scb->cdb[0],
5358 scb->cmd.basic_io.command_id,
5359 scb->bus, scb->target_id, scb->lun);
5360 } else {
5361 DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d",
5362 ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5363 }
5364
5365 TimeOut = 0;
5366
5367 while ((val = readl(ha->mem_ptr + IPS_REG_CCCR)) & IPS_BIT_SEM) {
5368 udelay(1000);
5369
5370 if (++TimeOut >= IPS_SEM_TIMEOUT) {
5371 if (!(val & IPS_BIT_START_STOP))
5372 break;
5373
5374 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5375 "ips_issue val [0x%x].\n", val);
5376 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5377 "ips_issue semaphore chk timeout.\n");
5378
5379 return (IPS_FAILURE);
5380 } /* end if */
5381 } /* end while */
5382
5383 writel(scb->scb_busaddr, ha->mem_ptr + IPS_REG_CCSAR);
5384 writel(IPS_BIT_START_CMD, ha->mem_ptr + IPS_REG_CCCR);
5385
5386 return (IPS_SUCCESS);
5387}
5388
5389/****************************************************************************/
5390/* */
5391/* Routine Name: ips_issue_i2o */
5392/* */
5393/* Routine Description: */
5394/* */
5395/* Send a command down to the controller */
5396/* */
5397/****************************************************************************/
5398static int
5399ips_issue_i2o(ips_ha_t * ha, ips_scb_t * scb)
5400{
5401
5402 METHOD_TRACE("ips_issue_i2o", 1);
5403
5404 if (scb->scsi_cmd) {
5405 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5406 ips_name,
5407 ha->host_num,
5408 scb->cdb[0],
5409 scb->cmd.basic_io.command_id,
5410 scb->bus, scb->target_id, scb->lun);
5411 } else {
5412 DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d",
5413 ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5414 }
5415
5416 outl(scb->scb_busaddr, ha->io_addr + IPS_REG_I2O_INMSGQ);
5417
5418 return (IPS_SUCCESS);
5419}
5420
5421/****************************************************************************/
5422/* */
5423/* Routine Name: ips_issue_i2o_memio */
5424/* */
5425/* Routine Description: */
5426/* */
5427/* Send a command down to the controller */
5428/* */
5429/****************************************************************************/
5430static int
5431ips_issue_i2o_memio(ips_ha_t * ha, ips_scb_t * scb)
5432{
5433
5434 METHOD_TRACE("ips_issue_i2o_memio", 1);
5435
5436 if (scb->scsi_cmd) {
5437 DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)",
5438 ips_name,
5439 ha->host_num,
5440 scb->cdb[0],
5441 scb->cmd.basic_io.command_id,
5442 scb->bus, scb->target_id, scb->lun);
5443 } else {
5444 DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d",
5445 ips_name, ha->host_num, scb->cmd.basic_io.command_id);
5446 }
5447
5448 writel(scb->scb_busaddr, ha->mem_ptr + IPS_REG_I2O_INMSGQ);
5449
5450 return (IPS_SUCCESS);
5451}
5452
5453/****************************************************************************/
5454/* */
5455/* Routine Name: ips_isintr_copperhead */
5456/* */
5457/* Routine Description: */
5458/* */
5459/* Test to see if an interrupt is for us */
5460/* */
5461/****************************************************************************/
5462static int
5463ips_isintr_copperhead(ips_ha_t * ha)
5464{
5465 uint8_t Isr;
5466
5467 METHOD_TRACE("ips_isintr_copperhead", 2);
5468
5469 Isr = inb(ha->io_addr + IPS_REG_HISR);
5470
5471 if (Isr == 0xFF)
5472 /* ?!?! Nothing really there */
5473 return (0);
5474
5475 if (Isr & IPS_BIT_SCE)
5476 return (1);
5477 else if (Isr & (IPS_BIT_SQO | IPS_BIT_GHI)) {
5478 /* status queue overflow or GHI */
5479 /* just clear the interrupt */
5480 outb(Isr, ha->io_addr + IPS_REG_HISR);
5481 }
5482
5483 return (0);
5484}
5485
5486/****************************************************************************/
5487/* */
5488/* Routine Name: ips_isintr_copperhead_memio */
5489/* */
5490/* Routine Description: */
5491/* */
5492/* Test to see if an interrupt is for us */
5493/* */
5494/****************************************************************************/
5495static int
5496ips_isintr_copperhead_memio(ips_ha_t * ha)
5497{
5498 uint8_t Isr;
5499
5500 METHOD_TRACE("ips_isintr_memio", 2);
5501
5502 Isr = readb(ha->mem_ptr + IPS_REG_HISR);
5503
5504 if (Isr == 0xFF)
5505 /* ?!?! Nothing really there */
5506 return (0);
5507
5508 if (Isr & IPS_BIT_SCE)
5509 return (1);
5510 else if (Isr & (IPS_BIT_SQO | IPS_BIT_GHI)) {
5511 /* status queue overflow or GHI */
5512 /* just clear the interrupt */
5513 writeb(Isr, ha->mem_ptr + IPS_REG_HISR);
5514 }
5515
5516 return (0);
5517}
5518
5519/****************************************************************************/
5520/* */
5521/* Routine Name: ips_isintr_morpheus */
5522/* */
5523/* Routine Description: */
5524/* */
5525/* Test to see if an interrupt is for us */
5526/* */
5527/****************************************************************************/
5528static int
5529ips_isintr_morpheus(ips_ha_t * ha)
5530{
5531 uint32_t Isr;
5532
5533 METHOD_TRACE("ips_isintr_morpheus", 2);
5534
5535 Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
5536
5537 if (Isr & IPS_BIT_I2O_OPQI)
5538 return (1);
5539 else
5540 return (0);
5541}
5542
5543/****************************************************************************/
5544/* */
5545/* Routine Name: ips_wait */
5546/* */
5547/* Routine Description: */
5548/* */
5549/* Wait for a command to complete */
5550/* */
5551/****************************************************************************/
5552static int
5553ips_wait(ips_ha_t * ha, int time, int intr)
5554{
5555 int ret;
5556 int done;
5557
5558 METHOD_TRACE("ips_wait", 1);
5559
5560 ret = IPS_FAILURE;
5561 done = FALSE;
5562
5563 time *= IPS_ONE_SEC; /* convert seconds */
5564
5565 while ((time > 0) && (!done)) {
5566 if (intr == IPS_INTR_ON) {
5567 if (ha->waitflag == FALSE) {
5568 ret = IPS_SUCCESS;
5569 done = TRUE;
5570 break;
5571 }
5572 } else if (intr == IPS_INTR_IORL) {
5573 if (ha->waitflag == FALSE) {
5574 /*
5575 * controller generated an interrupt to
5576 * acknowledge completion of the command
5577 * and ips_intr() has serviced the interrupt.
5578 */
5579 ret = IPS_SUCCESS;
5580 done = TRUE;
5581 break;
5582 }
5583
5584 /*
5585 * NOTE: we already have the io_request_lock so
5586 * even if we get an interrupt it won't get serviced
5587 * until after we finish.
5588 */
5589
5590 (*ha->func.intr) (ha);
5591 }
5592
5593 /* This looks like a very evil loop, but it only does this during start-up */
5594 udelay(1000);
5595 time--;
5596 }
5597
5598 return (ret);
5599}
5600
5601/****************************************************************************/
5602/* */
5603/* Routine Name: ips_write_driver_status */
5604/* */
5605/* Routine Description: */
5606/* */
5607/* Write OS/Driver version to Page 5 of the nvram on the controller */
5608/* */
5609/****************************************************************************/
5610static int
5611ips_write_driver_status(ips_ha_t * ha, int intr)
5612{
5613 METHOD_TRACE("ips_write_driver_status", 1);
5614
5615 if (!ips_readwrite_page5(ha, FALSE, intr)) {
5616 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5617 "unable to read NVRAM page 5.\n");
5618
5619 return (0);
5620 }
5621
5622 /* check to make sure the page has a valid */
5623 /* signature */
5624 if (le32_to_cpu(ha->nvram->signature) != IPS_NVRAM_P5_SIG) {
5625 DEBUG_VAR(1,
5626 "(%s%d) NVRAM page 5 has an invalid signature: %X.",
5627 ips_name, ha->host_num, ha->nvram->signature);
5628 ha->nvram->signature = IPS_NVRAM_P5_SIG;
5629 }
5630
5631 DEBUG_VAR(2,
5632 "(%s%d) Ad Type: %d, Ad Slot: %d, BIOS: %c%c%c%c %c%c%c%c.",
5633 ips_name, ha->host_num, le16_to_cpu(ha->nvram->adapter_type),
5634 ha->nvram->adapter_slot, ha->nvram->bios_high[0],
5635 ha->nvram->bios_high[1], ha->nvram->bios_high[2],
5636 ha->nvram->bios_high[3], ha->nvram->bios_low[0],
5637 ha->nvram->bios_low[1], ha->nvram->bios_low[2],
5638 ha->nvram->bios_low[3]);
5639
5640 ips_get_bios_version(ha, intr);
5641
5642 /* change values (as needed) */
5643 ha->nvram->operating_system = IPS_OS_LINUX;
5644 ha->nvram->adapter_type = ha->ad_type;
5645 strncpy((char *) ha->nvram->driver_high, IPS_VERSION_HIGH, 4);
5646 strncpy((char *) ha->nvram->driver_low, IPS_VERSION_LOW, 4);
5647 strncpy((char *) ha->nvram->bios_high, ha->bios_version, 4);
5648 strncpy((char *) ha->nvram->bios_low, ha->bios_version + 4, 4);
5649
5650 ha->nvram->versioning = 0; /* Indicate the Driver Does Not Support Versioning */
5651
5652 /* now update the page */
5653 if (!ips_readwrite_page5(ha, TRUE, intr)) {
5654 IPS_PRINTK(KERN_WARNING, ha->pcidev,
5655 "unable to write NVRAM page 5.\n");
5656
5657 return (0);
5658 }
5659
5660 /* IF NVRAM Page 5 is OK, Use it for Slot Number Info Because Linux Doesn't Do Slots */
5661 ha->slot_num = ha->nvram->adapter_slot;
5662
5663 return (1);
5664}
5665
5666/****************************************************************************/
5667/* */
5668/* Routine Name: ips_read_adapter_status */
5669/* */
5670/* Routine Description: */
5671/* */
5672/* Do an Inquiry command to the adapter */
5673/* */
5674/****************************************************************************/
5675static int
5676ips_read_adapter_status(ips_ha_t * ha, int intr)
5677{
5678 ips_scb_t *scb;
5679 int ret;
5680
5681 METHOD_TRACE("ips_read_adapter_status", 1);
5682
5683 scb = &ha->scbs[ha->max_cmds - 1];
5684
5685 ips_init_scb(ha, scb);
5686
5687 scb->timeout = ips_cmd_timeout;
5688 scb->cdb[0] = IPS_CMD_ENQUIRY;
5689
5690 scb->cmd.basic_io.op_code = IPS_CMD_ENQUIRY;
5691 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
5692 scb->cmd.basic_io.sg_count = 0;
5693 scb->cmd.basic_io.lba = 0;
5694 scb->cmd.basic_io.sector_count = 0;
5695 scb->cmd.basic_io.log_drv = 0;
5696 scb->data_len = sizeof (*ha->enq);
5697 scb->cmd.basic_io.sg_addr = ha->enq_busaddr;
5698
5699 /* send command */
5700 if (((ret =
5701 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5702 || (ret == IPS_SUCCESS_IMM)
5703 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5704 return (0);
5705
5706 return (1);
5707}
5708
5709/****************************************************************************/
5710/* */
5711/* Routine Name: ips_read_subsystem_parameters */
5712/* */
5713/* Routine Description: */
5714/* */
5715/* Read subsystem parameters from the adapter */
5716/* */
5717/****************************************************************************/
5718static int
5719ips_read_subsystem_parameters(ips_ha_t * ha, int intr)
5720{
5721 ips_scb_t *scb;
5722 int ret;
5723
5724 METHOD_TRACE("ips_read_subsystem_parameters", 1);
5725
5726 scb = &ha->scbs[ha->max_cmds - 1];
5727
5728 ips_init_scb(ha, scb);
5729
5730 scb->timeout = ips_cmd_timeout;
5731 scb->cdb[0] = IPS_CMD_GET_SUBSYS;
5732
5733 scb->cmd.basic_io.op_code = IPS_CMD_GET_SUBSYS;
5734 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
5735 scb->cmd.basic_io.sg_count = 0;
5736 scb->cmd.basic_io.lba = 0;
5737 scb->cmd.basic_io.sector_count = 0;
5738 scb->cmd.basic_io.log_drv = 0;
5739 scb->data_len = sizeof (*ha->subsys);
5740 scb->cmd.basic_io.sg_addr = ha->ioctl_busaddr;
5741
5742 /* send command */
5743 if (((ret =
5744 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5745 || (ret == IPS_SUCCESS_IMM)
5746 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5747 return (0);
5748
5749 memcpy(ha->subsys, ha->ioctl_data, sizeof(*ha->subsys));
5750 return (1);
5751}
5752
5753/****************************************************************************/
5754/* */
5755/* Routine Name: ips_read_config */
5756/* */
5757/* Routine Description: */
5758/* */
5759/* Read the configuration on the adapter */
5760/* */
5761/****************************************************************************/
5762static int
5763ips_read_config(ips_ha_t * ha, int intr)
5764{
5765 ips_scb_t *scb;
5766 int i;
5767 int ret;
5768
5769 METHOD_TRACE("ips_read_config", 1);
5770
5771 /* set defaults for initiator IDs */
5772 for (i = 0; i < 4; i++)
5773 ha->conf->init_id[i] = 7;
5774
5775 scb = &ha->scbs[ha->max_cmds - 1];
5776
5777 ips_init_scb(ha, scb);
5778
5779 scb->timeout = ips_cmd_timeout;
5780 scb->cdb[0] = IPS_CMD_READ_CONF;
5781
5782 scb->cmd.basic_io.op_code = IPS_CMD_READ_CONF;
5783 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
5784 scb->data_len = sizeof (*ha->conf);
5785 scb->cmd.basic_io.sg_addr = ha->ioctl_busaddr;
5786
5787 /* send command */
5788 if (((ret =
5789 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5790 || (ret == IPS_SUCCESS_IMM)
5791 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) {
5792
5793 memset(ha->conf, 0, sizeof (IPS_CONF));
5794
5795 /* reset initiator IDs */
5796 for (i = 0; i < 4; i++)
5797 ha->conf->init_id[i] = 7;
5798
5799 /* Allow Completed with Errors, so JCRM can access the Adapter to fix the problems */
5800 if ((scb->basic_status & IPS_GSC_STATUS_MASK) ==
5801 IPS_CMD_CMPLT_WERROR)
5802 return (1);
5803
5804 return (0);
5805 }
5806
5807 memcpy(ha->conf, ha->ioctl_data, sizeof(*ha->conf));
5808 return (1);
5809}
5810
5811/****************************************************************************/
5812/* */
5813/* Routine Name: ips_readwrite_page5 */
5814/* */
5815/* Routine Description: */
5816/* */
5817/* Read nvram page 5 from the adapter */
5818/* */
5819/****************************************************************************/
5820static int
5821ips_readwrite_page5(ips_ha_t * ha, int write, int intr)
5822{
5823 ips_scb_t *scb;
5824 int ret;
5825
5826 METHOD_TRACE("ips_readwrite_page5", 1);
5827
5828 scb = &ha->scbs[ha->max_cmds - 1];
5829
5830 ips_init_scb(ha, scb);
5831
5832 scb->timeout = ips_cmd_timeout;
5833 scb->cdb[0] = IPS_CMD_RW_NVRAM_PAGE;
5834
5835 scb->cmd.nvram.op_code = IPS_CMD_RW_NVRAM_PAGE;
5836 scb->cmd.nvram.command_id = IPS_COMMAND_ID(ha, scb);
5837 scb->cmd.nvram.page = 5;
5838 scb->cmd.nvram.write = write;
5839 scb->cmd.nvram.reserved = 0;
5840 scb->cmd.nvram.reserved2 = 0;
5841 scb->data_len = sizeof (*ha->nvram);
5842 scb->cmd.nvram.buffer_addr = ha->ioctl_busaddr;
5843 if (write)
5844 memcpy(ha->ioctl_data, ha->nvram, sizeof(*ha->nvram));
5845
5846 /* issue the command */
5847 if (((ret =
5848 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5849 || (ret == IPS_SUCCESS_IMM)
5850 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) {
5851
5852 memset(ha->nvram, 0, sizeof (IPS_NVRAM_P5));
5853
5854 return (0);
5855 }
5856 if (!write)
5857 memcpy(ha->nvram, ha->ioctl_data, sizeof(*ha->nvram));
5858 return (1);
5859}
5860
5861/****************************************************************************/
5862/* */
5863/* Routine Name: ips_clear_adapter */
5864/* */
5865/* Routine Description: */
5866/* */
5867/* Clear the stripe lock tables */
5868/* */
5869/****************************************************************************/
5870static int
5871ips_clear_adapter(ips_ha_t * ha, int intr)
5872{
5873 ips_scb_t *scb;
5874 int ret;
5875
5876 METHOD_TRACE("ips_clear_adapter", 1);
5877
5878 scb = &ha->scbs[ha->max_cmds - 1];
5879
5880 ips_init_scb(ha, scb);
5881
5882 scb->timeout = ips_reset_timeout;
5883 scb->cdb[0] = IPS_CMD_CONFIG_SYNC;
5884
5885 scb->cmd.config_sync.op_code = IPS_CMD_CONFIG_SYNC;
5886 scb->cmd.config_sync.command_id = IPS_COMMAND_ID(ha, scb);
5887 scb->cmd.config_sync.channel = 0;
5888 scb->cmd.config_sync.source_target = IPS_POCL;
5889 scb->cmd.config_sync.reserved = 0;
5890 scb->cmd.config_sync.reserved2 = 0;
5891 scb->cmd.config_sync.reserved3 = 0;
5892
5893 /* issue command */
5894 if (((ret =
5895 ips_send_wait(ha, scb, ips_reset_timeout, intr)) == IPS_FAILURE)
5896 || (ret == IPS_SUCCESS_IMM)
5897 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5898 return (0);
5899
5900 /* send unlock stripe command */
5901 ips_init_scb(ha, scb);
5902
5903 scb->cdb[0] = IPS_CMD_ERROR_TABLE;
5904 scb->timeout = ips_reset_timeout;
5905
5906 scb->cmd.unlock_stripe.op_code = IPS_CMD_ERROR_TABLE;
5907 scb->cmd.unlock_stripe.command_id = IPS_COMMAND_ID(ha, scb);
5908 scb->cmd.unlock_stripe.log_drv = 0;
5909 scb->cmd.unlock_stripe.control = IPS_CSL;
5910 scb->cmd.unlock_stripe.reserved = 0;
5911 scb->cmd.unlock_stripe.reserved2 = 0;
5912 scb->cmd.unlock_stripe.reserved3 = 0;
5913
5914 /* issue command */
5915 if (((ret =
5916 ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE)
5917 || (ret == IPS_SUCCESS_IMM)
5918 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1))
5919 return (0);
5920
5921 return (1);
5922}
5923
5924/****************************************************************************/
5925/* */
5926/* Routine Name: ips_ffdc_reset */
5927/* */
5928/* Routine Description: */
5929/* */
5930/* FFDC: write reset info */
5931/* */
5932/****************************************************************************/
5933static void
5934ips_ffdc_reset(ips_ha_t * ha, int intr)
5935{
5936 ips_scb_t *scb;
5937
5938 METHOD_TRACE("ips_ffdc_reset", 1);
5939
5940 scb = &ha->scbs[ha->max_cmds - 1];
5941
5942 ips_init_scb(ha, scb);
5943
5944 scb->timeout = ips_cmd_timeout;
5945 scb->cdb[0] = IPS_CMD_FFDC;
5946 scb->cmd.ffdc.op_code = IPS_CMD_FFDC;
5947 scb->cmd.ffdc.command_id = IPS_COMMAND_ID(ha, scb);
5948 scb->cmd.ffdc.reset_count = ha->reset_count;
5949 scb->cmd.ffdc.reset_type = 0x80;
5950
5951 /* convert time to what the card wants */
5952 ips_fix_ffdc_time(ha, scb, ha->last_ffdc);
5953
5954 /* issue command */
5955 ips_send_wait(ha, scb, ips_cmd_timeout, intr);
5956}
5957
5958/****************************************************************************/
5959/* */
5960/* Routine Name: ips_ffdc_time */
5961/* */
5962/* Routine Description: */
5963/* */
5964/* FFDC: write time info */
5965/* */
5966/****************************************************************************/
5967static void
5968ips_ffdc_time(ips_ha_t * ha)
5969{
5970 ips_scb_t *scb;
5971
5972 METHOD_TRACE("ips_ffdc_time", 1);
5973
5974 DEBUG_VAR(1, "(%s%d) Sending time update.", ips_name, ha->host_num);
5975
5976 scb = &ha->scbs[ha->max_cmds - 1];
5977
5978 ips_init_scb(ha, scb);
5979
5980 scb->timeout = ips_cmd_timeout;
5981 scb->cdb[0] = IPS_CMD_FFDC;
5982 scb->cmd.ffdc.op_code = IPS_CMD_FFDC;
5983 scb->cmd.ffdc.command_id = IPS_COMMAND_ID(ha, scb);
5984 scb->cmd.ffdc.reset_count = 0;
5985 scb->cmd.ffdc.reset_type = 0;
5986
5987 /* convert time to what the card wants */
5988 ips_fix_ffdc_time(ha, scb, ha->last_ffdc);
5989
5990 /* issue command */
5991 ips_send_wait(ha, scb, ips_cmd_timeout, IPS_FFDC);
5992}
5993
5994/****************************************************************************/
5995/* */
5996/* Routine Name: ips_fix_ffdc_time */
5997/* */
5998/* Routine Description: */
5999/* Adjust time_t to what the card wants */
6000/* */
6001/****************************************************************************/
6002static void
6003ips_fix_ffdc_time(ips_ha_t * ha, ips_scb_t * scb, time_t current_time)
6004{
6005 long days;
6006 long rem;
6007 int i;
6008 int year;
6009 int yleap;
6010 int year_lengths[2] = { IPS_DAYS_NORMAL_YEAR, IPS_DAYS_LEAP_YEAR };
6011 int month_lengths[12][2] = { {31, 31},
6012 {28, 29},
6013 {31, 31},
6014 {30, 30},
6015 {31, 31},
6016 {30, 30},
6017 {31, 31},
6018 {31, 31},
6019 {30, 30},
6020 {31, 31},
6021 {30, 30},
6022 {31, 31}
6023 };
6024
6025 METHOD_TRACE("ips_fix_ffdc_time", 1);
6026
6027 days = current_time / IPS_SECS_DAY;
6028 rem = current_time % IPS_SECS_DAY;
6029
6030 scb->cmd.ffdc.hour = (rem / IPS_SECS_HOUR);
6031 rem = rem % IPS_SECS_HOUR;
6032 scb->cmd.ffdc.minute = (rem / IPS_SECS_MIN);
6033 scb->cmd.ffdc.second = (rem % IPS_SECS_MIN);
6034
6035 year = IPS_EPOCH_YEAR;
6036 while (days < 0 || days >= year_lengths[yleap = IPS_IS_LEAP_YEAR(year)]) {
6037 int newy;
6038
6039 newy = year + (days / IPS_DAYS_NORMAL_YEAR);
6040 if (days < 0)
6041 --newy;
6042 days -= (newy - year) * IPS_DAYS_NORMAL_YEAR +
6043 IPS_NUM_LEAP_YEARS_THROUGH(newy - 1) -
6044 IPS_NUM_LEAP_YEARS_THROUGH(year - 1);
6045 year = newy;
6046 }
6047
6048 scb->cmd.ffdc.yearH = year / 100;
6049 scb->cmd.ffdc.yearL = year % 100;
6050
6051 for (i = 0; days >= month_lengths[i][yleap]; ++i)
6052 days -= month_lengths[i][yleap];
6053
6054 scb->cmd.ffdc.month = i + 1;
6055 scb->cmd.ffdc.day = days + 1;
6056}
6057
6058/****************************************************************************
6059 * BIOS Flash Routines *
6060 ****************************************************************************/
6061
6062/****************************************************************************/
6063/* */
6064/* Routine Name: ips_erase_bios */
6065/* */
6066/* Routine Description: */
6067/* Erase the BIOS on the adapter */
6068/* */
6069/****************************************************************************/
6070static int
6071ips_erase_bios(ips_ha_t * ha)
6072{
6073 int timeout;
6074 uint8_t status = 0;
6075
6076 METHOD_TRACE("ips_erase_bios", 1);
6077
6078 status = 0;
6079
6080 /* Clear the status register */
6081 outl(0, ha->io_addr + IPS_REG_FLAP);
6082 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6083 udelay(25); /* 25 us */
6084
6085 outb(0x50, ha->io_addr + IPS_REG_FLDP);
6086 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6087 udelay(25); /* 25 us */
6088
6089 /* Erase Setup */
6090 outb(0x20, ha->io_addr + IPS_REG_FLDP);
6091 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6092 udelay(25); /* 25 us */
6093
6094 /* Erase Confirm */
6095 outb(0xD0, ha->io_addr + IPS_REG_FLDP);
6096 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6097 udelay(25); /* 25 us */
6098
6099 /* Erase Status */
6100 outb(0x70, ha->io_addr + IPS_REG_FLDP);
6101 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6102 udelay(25); /* 25 us */
6103
6104 timeout = 80000; /* 80 seconds */
6105
6106 while (timeout > 0) {
6107 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6108 outl(0, ha->io_addr + IPS_REG_FLAP);
6109 udelay(25); /* 25 us */
6110 }
6111
6112 status = inb(ha->io_addr + IPS_REG_FLDP);
6113
6114 if (status & 0x80)
6115 break;
6116
6117 MDELAY(1);
6118 timeout--;
6119 }
6120
6121 /* check for timeout */
6122 if (timeout <= 0) {
6123 /* timeout */
6124
6125 /* try to suspend the erase */
6126 outb(0xB0, ha->io_addr + IPS_REG_FLDP);
6127 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6128 udelay(25); /* 25 us */
6129
6130 /* wait for 10 seconds */
6131 timeout = 10000;
6132 while (timeout > 0) {
6133 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6134 outl(0, ha->io_addr + IPS_REG_FLAP);
6135 udelay(25); /* 25 us */
6136 }
6137
6138 status = inb(ha->io_addr + IPS_REG_FLDP);
6139
6140 if (status & 0xC0)
6141 break;
6142
6143 MDELAY(1);
6144 timeout--;
6145 }
6146
6147 return (1);
6148 }
6149
6150 /* check for valid VPP */
6151 if (status & 0x08)
6152 /* VPP failure */
6153 return (1);
6154
6155 /* check for successful flash */
6156 if (status & 0x30)
6157 /* sequence error */
6158 return (1);
6159
6160 /* Otherwise, we were successful */
6161 /* clear status */
6162 outb(0x50, ha->io_addr + IPS_REG_FLDP);
6163 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6164 udelay(25); /* 25 us */
6165
6166 /* enable reads */
6167 outb(0xFF, ha->io_addr + IPS_REG_FLDP);
6168 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6169 udelay(25); /* 25 us */
6170
6171 return (0);
6172}
6173
6174/****************************************************************************/
6175/* */
6176/* Routine Name: ips_erase_bios_memio */
6177/* */
6178/* Routine Description: */
6179/* Erase the BIOS on the adapter */
6180/* */
6181/****************************************************************************/
6182static int
6183ips_erase_bios_memio(ips_ha_t * ha)
6184{
6185 int timeout;
6186 uint8_t status;
6187
6188 METHOD_TRACE("ips_erase_bios_memio", 1);
6189
6190 status = 0;
6191
6192 /* Clear the status register */
6193 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6194 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6195 udelay(25); /* 25 us */
6196
6197 writeb(0x50, ha->mem_ptr + IPS_REG_FLDP);
6198 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6199 udelay(25); /* 25 us */
6200
6201 /* Erase Setup */
6202 writeb(0x20, ha->mem_ptr + IPS_REG_FLDP);
6203 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6204 udelay(25); /* 25 us */
6205
6206 /* Erase Confirm */
6207 writeb(0xD0, ha->mem_ptr + IPS_REG_FLDP);
6208 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6209 udelay(25); /* 25 us */
6210
6211 /* Erase Status */
6212 writeb(0x70, ha->mem_ptr + IPS_REG_FLDP);
6213 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6214 udelay(25); /* 25 us */
6215
6216 timeout = 80000; /* 80 seconds */
6217
6218 while (timeout > 0) {
6219 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6220 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6221 udelay(25); /* 25 us */
6222 }
6223
6224 status = readb(ha->mem_ptr + IPS_REG_FLDP);
6225
6226 if (status & 0x80)
6227 break;
6228
6229 MDELAY(1);
6230 timeout--;
6231 }
6232
6233 /* check for timeout */
6234 if (timeout <= 0) {
6235 /* timeout */
6236
6237 /* try to suspend the erase */
6238 writeb(0xB0, ha->mem_ptr + IPS_REG_FLDP);
6239 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6240 udelay(25); /* 25 us */
6241
6242 /* wait for 10 seconds */
6243 timeout = 10000;
6244 while (timeout > 0) {
6245 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6246 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6247 udelay(25); /* 25 us */
6248 }
6249
6250 status = readb(ha->mem_ptr + IPS_REG_FLDP);
6251
6252 if (status & 0xC0)
6253 break;
6254
6255 MDELAY(1);
6256 timeout--;
6257 }
6258
6259 return (1);
6260 }
6261
6262 /* check for valid VPP */
6263 if (status & 0x08)
6264 /* VPP failure */
6265 return (1);
6266
6267 /* check for successful flash */
6268 if (status & 0x30)
6269 /* sequence error */
6270 return (1);
6271
6272 /* Otherwise, we were successful */
6273 /* clear status */
6274 writeb(0x50, ha->mem_ptr + IPS_REG_FLDP);
6275 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6276 udelay(25); /* 25 us */
6277
6278 /* enable reads */
6279 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
6280 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6281 udelay(25); /* 25 us */
6282
6283 return (0);
6284}
6285
6286/****************************************************************************/
6287/* */
6288/* Routine Name: ips_program_bios */
6289/* */
6290/* Routine Description: */
6291/* Program the BIOS on the adapter */
6292/* */
6293/****************************************************************************/
6294static int
6295ips_program_bios(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6296 uint32_t offset)
6297{
6298 int i;
6299 int timeout;
6300 uint8_t status = 0;
6301
6302 METHOD_TRACE("ips_program_bios", 1);
6303
6304 status = 0;
6305
6306 for (i = 0; i < buffersize; i++) {
6307 /* write a byte */
6308 outl(i + offset, ha->io_addr + IPS_REG_FLAP);
6309 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6310 udelay(25); /* 25 us */
6311
6312 outb(0x40, ha->io_addr + IPS_REG_FLDP);
6313 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6314 udelay(25); /* 25 us */
6315
6316 outb(buffer[i], ha->io_addr + IPS_REG_FLDP);
6317 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6318 udelay(25); /* 25 us */
6319
6320 /* wait up to one second */
6321 timeout = 1000;
6322 while (timeout > 0) {
6323 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6324 outl(0, ha->io_addr + IPS_REG_FLAP);
6325 udelay(25); /* 25 us */
6326 }
6327
6328 status = inb(ha->io_addr + IPS_REG_FLDP);
6329
6330 if (status & 0x80)
6331 break;
6332
6333 MDELAY(1);
6334 timeout--;
6335 }
6336
6337 if (timeout == 0) {
6338 /* timeout error */
6339 outl(0, ha->io_addr + IPS_REG_FLAP);
6340 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6341 udelay(25); /* 25 us */
6342
6343 outb(0xFF, ha->io_addr + IPS_REG_FLDP);
6344 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6345 udelay(25); /* 25 us */
6346
6347 return (1);
6348 }
6349
6350 /* check the status */
6351 if (status & 0x18) {
6352 /* programming error */
6353 outl(0, ha->io_addr + IPS_REG_FLAP);
6354 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6355 udelay(25); /* 25 us */
6356
6357 outb(0xFF, ha->io_addr + IPS_REG_FLDP);
6358 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6359 udelay(25); /* 25 us */
6360
6361 return (1);
6362 }
6363 } /* end for */
6364
6365 /* Enable reading */
6366 outl(0, ha->io_addr + IPS_REG_FLAP);
6367 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6368 udelay(25); /* 25 us */
6369
6370 outb(0xFF, ha->io_addr + IPS_REG_FLDP);
6371 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6372 udelay(25); /* 25 us */
6373
6374 return (0);
6375}
6376
6377/****************************************************************************/
6378/* */
6379/* Routine Name: ips_program_bios_memio */
6380/* */
6381/* Routine Description: */
6382/* Program the BIOS on the adapter */
6383/* */
6384/****************************************************************************/
6385static int
6386ips_program_bios_memio(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6387 uint32_t offset)
6388{
6389 int i;
6390 int timeout;
6391 uint8_t status = 0;
6392
6393 METHOD_TRACE("ips_program_bios_memio", 1);
6394
6395 status = 0;
6396
6397 for (i = 0; i < buffersize; i++) {
6398 /* write a byte */
6399 writel(i + offset, ha->mem_ptr + IPS_REG_FLAP);
6400 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6401 udelay(25); /* 25 us */
6402
6403 writeb(0x40, ha->mem_ptr + IPS_REG_FLDP);
6404 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6405 udelay(25); /* 25 us */
6406
6407 writeb(buffer[i], ha->mem_ptr + IPS_REG_FLDP);
6408 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6409 udelay(25); /* 25 us */
6410
6411 /* wait up to one second */
6412 timeout = 1000;
6413 while (timeout > 0) {
6414 if (ha->pcidev->revision == IPS_REVID_TROMBONE64) {
6415 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6416 udelay(25); /* 25 us */
6417 }
6418
6419 status = readb(ha->mem_ptr + IPS_REG_FLDP);
6420
6421 if (status & 0x80)
6422 break;
6423
6424 MDELAY(1);
6425 timeout--;
6426 }
6427
6428 if (timeout == 0) {
6429 /* timeout error */
6430 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6431 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6432 udelay(25); /* 25 us */
6433
6434 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
6435 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6436 udelay(25); /* 25 us */
6437
6438 return (1);
6439 }
6440
6441 /* check the status */
6442 if (status & 0x18) {
6443 /* programming error */
6444 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6445 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6446 udelay(25); /* 25 us */
6447
6448 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
6449 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6450 udelay(25); /* 25 us */
6451
6452 return (1);
6453 }
6454 } /* end for */
6455
6456 /* Enable reading */
6457 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6458 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6459 udelay(25); /* 25 us */
6460
6461 writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP);
6462 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6463 udelay(25); /* 25 us */
6464
6465 return (0);
6466}
6467
6468/****************************************************************************/
6469/* */
6470/* Routine Name: ips_verify_bios */
6471/* */
6472/* Routine Description: */
6473/* Verify the BIOS on the adapter */
6474/* */
6475/****************************************************************************/
6476static int
6477ips_verify_bios(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6478 uint32_t offset)
6479{
6480 uint8_t checksum;
6481 int i;
6482
6483 METHOD_TRACE("ips_verify_bios", 1);
6484
6485 /* test 1st byte */
6486 outl(0, ha->io_addr + IPS_REG_FLAP);
6487 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6488 udelay(25); /* 25 us */
6489
6490 if (inb(ha->io_addr + IPS_REG_FLDP) != 0x55)
6491 return (1);
6492
6493 outl(1, ha->io_addr + IPS_REG_FLAP);
6494 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6495 udelay(25); /* 25 us */
6496 if (inb(ha->io_addr + IPS_REG_FLDP) != 0xAA)
6497 return (1);
6498
6499 checksum = 0xff;
6500 for (i = 2; i < buffersize; i++) {
6501
6502 outl(i + offset, ha->io_addr + IPS_REG_FLAP);
6503 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6504 udelay(25); /* 25 us */
6505
6506 checksum = (uint8_t) checksum + inb(ha->io_addr + IPS_REG_FLDP);
6507 }
6508
6509 if (checksum != 0)
6510 /* failure */
6511 return (1);
6512 else
6513 /* success */
6514 return (0);
6515}
6516
6517/****************************************************************************/
6518/* */
6519/* Routine Name: ips_verify_bios_memio */
6520/* */
6521/* Routine Description: */
6522/* Verify the BIOS on the adapter */
6523/* */
6524/****************************************************************************/
6525static int
6526ips_verify_bios_memio(ips_ha_t * ha, char *buffer, uint32_t buffersize,
6527 uint32_t offset)
6528{
6529 uint8_t checksum;
6530 int i;
6531
6532 METHOD_TRACE("ips_verify_bios_memio", 1);
6533
6534 /* test 1st byte */
6535 writel(0, ha->mem_ptr + IPS_REG_FLAP);
6536 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6537 udelay(25); /* 25 us */
6538
6539 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0x55)
6540 return (1);
6541
6542 writel(1, ha->mem_ptr + IPS_REG_FLAP);
6543 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6544 udelay(25); /* 25 us */
6545 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0xAA)
6546 return (1);
6547
6548 checksum = 0xff;
6549 for (i = 2; i < buffersize; i++) {
6550
6551 writel(i + offset, ha->mem_ptr + IPS_REG_FLAP);
6552 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
6553 udelay(25); /* 25 us */
6554
6555 checksum =
6556 (uint8_t) checksum + readb(ha->mem_ptr + IPS_REG_FLDP);
6557 }
6558
6559 if (checksum != 0)
6560 /* failure */
6561 return (1);
6562 else
6563 /* success */
6564 return (0);
6565}
6566
6567/****************************************************************************/
6568/* */
6569/* Routine Name: ips_abort_init */
6570/* */
6571/* Routine Description: */
6572/* cleanup routine for a failed adapter initialization */
6573/****************************************************************************/
6574static int
6575ips_abort_init(ips_ha_t * ha, int index)
6576{
6577 ha->active = 0;
6578 ips_free(ha);
6579 ips_ha[index] = NULL;
6580 ips_sh[index] = NULL;
6581 return -1;
6582}
6583
6584/****************************************************************************/
6585/* */
6586/* Routine Name: ips_shift_controllers */
6587/* */
6588/* Routine Description: */
6589/* helper function for ordering adapters */
6590/****************************************************************************/
6591static void
6592ips_shift_controllers(int lowindex, int highindex)
6593{
6594 ips_ha_t *ha_sav = ips_ha[highindex];
6595 struct Scsi_Host *sh_sav = ips_sh[highindex];
6596 int i;
6597
6598 for (i = highindex; i > lowindex; i--) {
6599 ips_ha[i] = ips_ha[i - 1];
6600 ips_sh[i] = ips_sh[i - 1];
6601 ips_ha[i]->host_num = i;
6602 }
6603 ha_sav->host_num = lowindex;
6604 ips_ha[lowindex] = ha_sav;
6605 ips_sh[lowindex] = sh_sav;
6606}
6607
6608/****************************************************************************/
6609/* */
6610/* Routine Name: ips_order_controllers */
6611/* */
6612/* Routine Description: */
6613/* place controllers is the "proper" boot order */
6614/****************************************************************************/
6615static void
6616ips_order_controllers(void)
6617{
6618 int i, j, tmp, position = 0;
6619 IPS_NVRAM_P5 *nvram;
6620 if (!ips_ha[0])
6621 return;
6622 nvram = ips_ha[0]->nvram;
6623
6624 if (nvram->adapter_order[0]) {
6625 for (i = 1; i <= nvram->adapter_order[0]; i++) {
6626 for (j = position; j < ips_num_controllers; j++) {
6627 switch (ips_ha[j]->ad_type) {
6628 case IPS_ADTYPE_SERVERAID6M:
6629 case IPS_ADTYPE_SERVERAID7M:
6630 if (nvram->adapter_order[i] == 'M') {
6631 ips_shift_controllers(position,
6632 j);
6633 position++;
6634 }
6635 break;
6636 case IPS_ADTYPE_SERVERAID4L:
6637 case IPS_ADTYPE_SERVERAID4M:
6638 case IPS_ADTYPE_SERVERAID4MX:
6639 case IPS_ADTYPE_SERVERAID4LX:
6640 if (nvram->adapter_order[i] == 'N') {
6641 ips_shift_controllers(position,
6642 j);
6643 position++;
6644 }
6645 break;
6646 case IPS_ADTYPE_SERVERAID6I:
6647 case IPS_ADTYPE_SERVERAID5I2:
6648 case IPS_ADTYPE_SERVERAID5I1:
6649 case IPS_ADTYPE_SERVERAID7k:
6650 if (nvram->adapter_order[i] == 'S') {
6651 ips_shift_controllers(position,
6652 j);
6653 position++;
6654 }
6655 break;
6656 case IPS_ADTYPE_SERVERAID:
6657 case IPS_ADTYPE_SERVERAID2:
6658 case IPS_ADTYPE_NAVAJO:
6659 case IPS_ADTYPE_KIOWA:
6660 case IPS_ADTYPE_SERVERAID3L:
6661 case IPS_ADTYPE_SERVERAID3:
6662 case IPS_ADTYPE_SERVERAID4H:
6663 if (nvram->adapter_order[i] == 'A') {
6664 ips_shift_controllers(position,
6665 j);
6666 position++;
6667 }
6668 break;
6669 default:
6670 break;
6671 }
6672 }
6673 }
6674 /* if adapter_order[0], then ordering is complete */
6675 return;
6676 }
6677 /* old bios, use older ordering */
6678 tmp = 0;
6679 for (i = position; i < ips_num_controllers; i++) {
6680 if (ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID5I2 ||
6681 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID5I1) {
6682 ips_shift_controllers(position, i);
6683 position++;
6684 tmp = 1;
6685 }
6686 }
6687 /* if there were no 5I cards, then don't do any extra ordering */
6688 if (!tmp)
6689 return;
6690 for (i = position; i < ips_num_controllers; i++) {
6691 if (ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4L ||
6692 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4M ||
6693 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4LX ||
6694 ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4MX) {
6695 ips_shift_controllers(position, i);
6696 position++;
6697 }
6698 }
6699
6700 return;
6701}
6702
6703/****************************************************************************/
6704/* */
6705/* Routine Name: ips_register_scsi */
6706/* */
6707/* Routine Description: */
6708/* perform any registration and setup with the scsi layer */
6709/****************************************************************************/
6710static int
6711ips_register_scsi(int index)
6712{
6713 struct Scsi_Host *sh;
6714 ips_ha_t *ha, *oldha = ips_ha[index];
6715 sh = scsi_host_alloc(&ips_driver_template, sizeof (ips_ha_t));
6716 if (!sh) {
6717 IPS_PRINTK(KERN_WARNING, oldha->pcidev,
6718 "Unable to register controller with SCSI subsystem\n");
6719 return -1;
6720 }
6721 ha = IPS_HA(sh);
6722 memcpy(ha, oldha, sizeof (ips_ha_t));
6723 free_irq(oldha->pcidev->irq, oldha);
6724 /* Install the interrupt handler with the new ha */
6725 if (request_irq(ha->pcidev->irq, do_ipsintr, IRQF_SHARED, ips_name, ha)) {
6726 IPS_PRINTK(KERN_WARNING, ha->pcidev,
6727 "Unable to install interrupt handler\n");
6728 goto err_out_sh;
6729 }
6730
6731 kfree(oldha);
6732
6733 /* Store away needed values for later use */
6734 sh->unique_id = (ha->io_addr) ? ha->io_addr : ha->mem_addr;
6735 sh->sg_tablesize = sh->hostt->sg_tablesize;
6736 sh->can_queue = sh->hostt->can_queue;
6737 sh->cmd_per_lun = sh->hostt->cmd_per_lun;
6738 sh->use_clustering = sh->hostt->use_clustering;
6739 sh->max_sectors = 128;
6740
6741 sh->max_id = ha->ntargets;
6742 sh->max_lun = ha->nlun;
6743 sh->max_channel = ha->nbus - 1;
6744 sh->can_queue = ha->max_cmds - 1;
6745
6746 if (scsi_add_host(sh, &ha->pcidev->dev))
6747 goto err_out;
6748
6749 ips_sh[index] = sh;
6750 ips_ha[index] = ha;
6751
6752 scsi_scan_host(sh);
6753
6754 return 0;
6755
6756err_out:
6757 free_irq(ha->pcidev->irq, ha);
6758err_out_sh:
6759 scsi_host_put(sh);
6760 return -1;
6761}
6762
6763/*---------------------------------------------------------------------------*/
6764/* Routine Name: ips_remove_device */
6765/* */
6766/* Routine Description: */
6767/* Remove one Adapter ( Hot Plugging ) */
6768/*---------------------------------------------------------------------------*/
6769static void
6770ips_remove_device(struct pci_dev *pci_dev)
6771{
6772 struct Scsi_Host *sh = pci_get_drvdata(pci_dev);
6773
6774 pci_set_drvdata(pci_dev, NULL);
6775
6776 ips_release(sh);
6777
6778 pci_release_regions(pci_dev);
6779 pci_disable_device(pci_dev);
6780}
6781
6782/****************************************************************************/
6783/* */
6784/* Routine Name: ips_module_init */
6785/* */
6786/* Routine Description: */
6787/* function called on module load */
6788/****************************************************************************/
6789static int __init
6790ips_module_init(void)
6791{
6792 if (pci_register_driver(&ips_pci_driver) < 0)
6793 return -ENODEV;
6794 ips_driver_template.module = THIS_MODULE;
6795 ips_order_controllers();
6796 if (!ips_detect(&ips_driver_template)) {
6797 pci_unregister_driver(&ips_pci_driver);
6798 return -ENODEV;
6799 }
6800 register_reboot_notifier(&ips_notifier);
6801 return 0;
6802}
6803
6804/****************************************************************************/
6805/* */
6806/* Routine Name: ips_module_exit */
6807/* */
6808/* Routine Description: */
6809/* function called on module unload */
6810/****************************************************************************/
6811static void __exit
6812ips_module_exit(void)
6813{
6814 pci_unregister_driver(&ips_pci_driver);
6815 unregister_reboot_notifier(&ips_notifier);
6816}
6817
6818module_init(ips_module_init);
6819module_exit(ips_module_exit);
6820
6821/*---------------------------------------------------------------------------*/
6822/* Routine Name: ips_insert_device */
6823/* */
6824/* Routine Description: */
6825/* Add One Adapter ( Hot Plug ) */
6826/* */
6827/* Return Value: */
6828/* 0 if Successful, else non-zero */
6829/*---------------------------------------------------------------------------*/
6830static int
6831ips_insert_device(struct pci_dev *pci_dev, const struct pci_device_id *ent)
6832{
6833 int index = -1;
6834 int rc;
6835
6836 METHOD_TRACE("ips_insert_device", 1);
6837 rc = pci_enable_device(pci_dev);
6838 if (rc)
6839 return rc;
6840
6841 rc = pci_request_regions(pci_dev, "ips");
6842 if (rc)
6843 goto err_out;
6844
6845 rc = ips_init_phase1(pci_dev, &index);
6846 if (rc == SUCCESS)
6847 rc = ips_init_phase2(index);
6848
6849 if (ips_hotplug)
6850 if (ips_register_scsi(index)) {
6851 ips_free(ips_ha[index]);
6852 rc = -1;
6853 }
6854
6855 if (rc == SUCCESS)
6856 ips_num_controllers++;
6857
6858 ips_next_controller = ips_num_controllers;
6859
6860 if (rc < 0) {
6861 rc = -ENODEV;
6862 goto err_out_regions;
6863 }
6864
6865 pci_set_drvdata(pci_dev, ips_sh[index]);
6866 return 0;
6867
6868err_out_regions:
6869 pci_release_regions(pci_dev);
6870err_out:
6871 pci_disable_device(pci_dev);
6872 return rc;
6873}
6874
6875/*---------------------------------------------------------------------------*/
6876/* Routine Name: ips_init_phase1 */
6877/* */
6878/* Routine Description: */
6879/* Adapter Initialization */
6880/* */
6881/* Return Value: */
6882/* 0 if Successful, else non-zero */
6883/*---------------------------------------------------------------------------*/
6884static int
6885ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr)
6886{
6887 ips_ha_t *ha;
6888 uint32_t io_addr;
6889 uint32_t mem_addr;
6890 uint32_t io_len;
6891 uint32_t mem_len;
6892 uint8_t bus;
6893 uint8_t func;
6894 int j;
6895 int index;
6896 dma_addr_t dma_address;
6897 char __iomem *ioremap_ptr;
6898 char __iomem *mem_ptr;
6899 uint32_t IsDead;
6900
6901 METHOD_TRACE("ips_init_phase1", 1);
6902 index = IPS_MAX_ADAPTERS;
6903 for (j = 0; j < IPS_MAX_ADAPTERS; j++) {
6904 if (ips_ha[j] == NULL) {
6905 index = j;
6906 break;
6907 }
6908 }
6909
6910 if (index >= IPS_MAX_ADAPTERS)
6911 return -1;
6912
6913 /* stuff that we get in dev */
6914 bus = pci_dev->bus->number;
6915 func = pci_dev->devfn;
6916
6917 /* Init MEM/IO addresses to 0 */
6918 mem_addr = 0;
6919 io_addr = 0;
6920 mem_len = 0;
6921 io_len = 0;
6922
6923 for (j = 0; j < 2; j++) {
6924 if (!pci_resource_start(pci_dev, j))
6925 break;
6926
6927 if (pci_resource_flags(pci_dev, j) & IORESOURCE_IO) {
6928 io_addr = pci_resource_start(pci_dev, j);
6929 io_len = pci_resource_len(pci_dev, j);
6930 } else {
6931 mem_addr = pci_resource_start(pci_dev, j);
6932 mem_len = pci_resource_len(pci_dev, j);
6933 }
6934 }
6935
6936 /* setup memory mapped area (if applicable) */
6937 if (mem_addr) {
6938 uint32_t base;
6939 uint32_t offs;
6940
6941 base = mem_addr & PAGE_MASK;
6942 offs = mem_addr - base;
6943 ioremap_ptr = ioremap(base, PAGE_SIZE);
6944 if (!ioremap_ptr)
6945 return -1;
6946 mem_ptr = ioremap_ptr + offs;
6947 } else {
6948 ioremap_ptr = NULL;
6949 mem_ptr = NULL;
6950 }
6951
6952 /* found a controller */
6953 ha = kzalloc(sizeof (ips_ha_t), GFP_KERNEL);
6954 if (ha == NULL) {
6955 IPS_PRINTK(KERN_WARNING, pci_dev,
6956 "Unable to allocate temporary ha struct\n");
6957 return -1;
6958 }
6959
6960 ips_sh[index] = NULL;
6961 ips_ha[index] = ha;
6962 ha->active = 1;
6963
6964 /* Store info in HA structure */
6965 ha->io_addr = io_addr;
6966 ha->io_len = io_len;
6967 ha->mem_addr = mem_addr;
6968 ha->mem_len = mem_len;
6969 ha->mem_ptr = mem_ptr;
6970 ha->ioremap_ptr = ioremap_ptr;
6971 ha->host_num = (uint32_t) index;
6972 ha->slot_num = PCI_SLOT(pci_dev->devfn);
6973 ha->pcidev = pci_dev;
6974
6975 /*
6976 * Set the pci_dev's dma_mask. Not all adapters support 64bit
6977 * addressing so don't enable it if the adapter can't support
6978 * it! Also, don't use 64bit addressing if dma addresses
6979 * are guaranteed to be < 4G.
6980 */
6981 if (IPS_ENABLE_DMA64 && IPS_HAS_ENH_SGLIST(ha) &&
6982 !pci_set_dma_mask(ha->pcidev, DMA_BIT_MASK(64))) {
6983 (ha)->flags |= IPS_HA_ENH_SG;
6984 } else {
6985 if (pci_set_dma_mask(ha->pcidev, DMA_BIT_MASK(32)) != 0) {
6986 printk(KERN_WARNING "Unable to set DMA Mask\n");
6987 return ips_abort_init(ha, index);
6988 }
6989 }
6990 if(ips_cd_boot && !ips_FlashData){
6991 ips_FlashData = pci_alloc_consistent(pci_dev, PAGE_SIZE << 7,
6992 &ips_flashbusaddr);
6993 }
6994
6995 ha->enq = pci_alloc_consistent(pci_dev, sizeof (IPS_ENQ),
6996 &ha->enq_busaddr);
6997 if (!ha->enq) {
6998 IPS_PRINTK(KERN_WARNING, pci_dev,
6999 "Unable to allocate host inquiry structure\n");
7000 return ips_abort_init(ha, index);
7001 }
7002
7003 ha->adapt = pci_alloc_consistent(pci_dev, sizeof (IPS_ADAPTER) +
7004 sizeof (IPS_IO_CMD), &dma_address);
7005 if (!ha->adapt) {
7006 IPS_PRINTK(KERN_WARNING, pci_dev,
7007 "Unable to allocate host adapt & dummy structures\n");
7008 return ips_abort_init(ha, index);
7009 }
7010 ha->adapt->hw_status_start = dma_address;
7011 ha->dummy = (void *) (ha->adapt + 1);
7012
7013
7014
7015 ha->logical_drive_info = pci_alloc_consistent(pci_dev, sizeof (IPS_LD_INFO), &dma_address);
7016 if (!ha->logical_drive_info) {
7017 IPS_PRINTK(KERN_WARNING, pci_dev,
7018 "Unable to allocate logical drive info structure\n");
7019 return ips_abort_init(ha, index);
7020 }
7021 ha->logical_drive_info_dma_addr = dma_address;
7022
7023
7024 ha->conf = kmalloc(sizeof (IPS_CONF), GFP_KERNEL);
7025
7026 if (!ha->conf) {
7027 IPS_PRINTK(KERN_WARNING, pci_dev,
7028 "Unable to allocate host conf structure\n");
7029 return ips_abort_init(ha, index);
7030 }
7031
7032 ha->nvram = kmalloc(sizeof (IPS_NVRAM_P5), GFP_KERNEL);
7033
7034 if (!ha->nvram) {
7035 IPS_PRINTK(KERN_WARNING, pci_dev,
7036 "Unable to allocate host NVRAM structure\n");
7037 return ips_abort_init(ha, index);
7038 }
7039
7040 ha->subsys = kmalloc(sizeof (IPS_SUBSYS), GFP_KERNEL);
7041
7042 if (!ha->subsys) {
7043 IPS_PRINTK(KERN_WARNING, pci_dev,
7044 "Unable to allocate host subsystem structure\n");
7045 return ips_abort_init(ha, index);
7046 }
7047
7048 /* the ioctl buffer is now used during adapter initialization, so its
7049 * successful allocation is now required */
7050 if (ips_ioctlsize < PAGE_SIZE)
7051 ips_ioctlsize = PAGE_SIZE;
7052
7053 ha->ioctl_data = pci_alloc_consistent(pci_dev, ips_ioctlsize,
7054 &ha->ioctl_busaddr);
7055 ha->ioctl_len = ips_ioctlsize;
7056 if (!ha->ioctl_data) {
7057 IPS_PRINTK(KERN_WARNING, pci_dev,
7058 "Unable to allocate IOCTL data\n");
7059 return ips_abort_init(ha, index);
7060 }
7061
7062 /*
7063 * Setup Functions
7064 */
7065 ips_setup_funclist(ha);
7066
7067 if ((IPS_IS_MORPHEUS(ha)) || (IPS_IS_MARCO(ha))) {
7068 /* If Morpheus appears dead, reset it */
7069 IsDead = readl(ha->mem_ptr + IPS_REG_I960_MSG1);
7070 if (IsDead == 0xDEADBEEF) {
7071 ips_reset_morpheus(ha);
7072 }
7073 }
7074
7075 /*
7076 * Initialize the card if it isn't already
7077 */
7078
7079 if (!(*ha->func.isinit) (ha)) {
7080 if (!(*ha->func.init) (ha)) {
7081 /*
7082 * Initialization failed
7083 */
7084 IPS_PRINTK(KERN_WARNING, pci_dev,
7085 "Unable to initialize controller\n");
7086 return ips_abort_init(ha, index);
7087 }
7088 }
7089
7090 *indexPtr = index;
7091 return SUCCESS;
7092}
7093
7094/*---------------------------------------------------------------------------*/
7095/* Routine Name: ips_init_phase2 */
7096/* */
7097/* Routine Description: */
7098/* Adapter Initialization Phase 2 */
7099/* */
7100/* Return Value: */
7101/* 0 if Successful, else non-zero */
7102/*---------------------------------------------------------------------------*/
7103static int
7104ips_init_phase2(int index)
7105{
7106 ips_ha_t *ha;
7107
7108 ha = ips_ha[index];
7109
7110 METHOD_TRACE("ips_init_phase2", 1);
7111 if (!ha->active) {
7112 ips_ha[index] = NULL;
7113 return -1;
7114 }
7115
7116 /* Install the interrupt handler */
7117 if (request_irq(ha->pcidev->irq, do_ipsintr, IRQF_SHARED, ips_name, ha)) {
7118 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7119 "Unable to install interrupt handler\n");
7120 return ips_abort_init(ha, index);
7121 }
7122
7123 /*
7124 * Allocate a temporary SCB for initialization
7125 */
7126 ha->max_cmds = 1;
7127 if (!ips_allocatescbs(ha)) {
7128 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7129 "Unable to allocate a CCB\n");
7130 free_irq(ha->pcidev->irq, ha);
7131 return ips_abort_init(ha, index);
7132 }
7133
7134 if (!ips_hainit(ha)) {
7135 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7136 "Unable to initialize controller\n");
7137 free_irq(ha->pcidev->irq, ha);
7138 return ips_abort_init(ha, index);
7139 }
7140 /* Free the temporary SCB */
7141 ips_deallocatescbs(ha, 1);
7142
7143 /* allocate CCBs */
7144 if (!ips_allocatescbs(ha)) {
7145 IPS_PRINTK(KERN_WARNING, ha->pcidev,
7146 "Unable to allocate CCBs\n");
7147 free_irq(ha->pcidev->irq, ha);
7148 return ips_abort_init(ha, index);
7149 }
7150
7151 return SUCCESS;
7152}
7153
7154MODULE_LICENSE("GPL");
7155MODULE_DESCRIPTION("IBM ServeRAID Adapter Driver " IPS_VER_STRING);
7156MODULE_VERSION(IPS_VER_STRING);
7157
7158
7159/*
7160 * Overrides for Emacs so that we almost follow Linus's tabbing style.
7161 * Emacs will notice this stuff at the end of the file and automatically
7162 * adjust the settings for this buffer only. This must remain at the end
7163 * of the file.
7164 * ---------------------------------------------------------------------------
7165 * Local variables:
7166 * c-indent-level: 2
7167 * c-brace-imaginary-offset: 0
7168 * c-brace-offset: -2
7169 * c-argdecl-indent: 2
7170 * c-label-offset: -2
7171 * c-continued-statement-offset: 2
7172 * c-continued-brace-offset: 0
7173 * indent-tabs-mode: nil
7174 * tab-width: 8
7175 * End:
7176 */