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1/*
2 * ipr.h -- driver for IBM Power Linux RAID adapters
3 *
4 * Written By: Brian King <brking@us.ibm.com>, IBM Corporation
5 *
6 * Copyright (C) 2003, 2004 IBM Corporation
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 * Alan Cox <alan@lxorguk.ukuu.org.uk> - Removed several careless u32/dma_addr_t errors
23 * that broke 64bit platforms.
24 */
25
26#ifndef _IPR_H
27#define _IPR_H
28
29#include <asm/unaligned.h>
30#include <linux/types.h>
31#include <linux/completion.h>
32#include <linux/libata.h>
33#include <linux/list.h>
34#include <linux/kref.h>
35#include <linux/blk-iopoll.h>
36#include <scsi/scsi.h>
37#include <scsi/scsi_cmnd.h>
38
39/*
40 * Literals
41 */
42#define IPR_DRIVER_VERSION "2.6.0"
43#define IPR_DRIVER_DATE "(November 16, 2012)"
44
45/*
46 * IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding
47 * ops per device for devices not running tagged command queuing.
48 * This can be adjusted at runtime through sysfs device attributes.
49 */
50#define IPR_MAX_CMD_PER_LUN 6
51#define IPR_MAX_CMD_PER_ATA_LUN 1
52
53/*
54 * IPR_NUM_BASE_CMD_BLKS: This defines the maximum number of
55 * ops the mid-layer can send to the adapter.
56 */
57#define IPR_NUM_BASE_CMD_BLKS (ioa_cfg->max_cmds)
58
59#define PCI_DEVICE_ID_IBM_OBSIDIAN_E 0x0339
60
61#define PCI_DEVICE_ID_IBM_CROC_FPGA_E2 0x033D
62#define PCI_DEVICE_ID_IBM_CROCODILE 0x034A
63
64#define IPR_SUBS_DEV_ID_2780 0x0264
65#define IPR_SUBS_DEV_ID_5702 0x0266
66#define IPR_SUBS_DEV_ID_5703 0x0278
67#define IPR_SUBS_DEV_ID_572E 0x028D
68#define IPR_SUBS_DEV_ID_573E 0x02D3
69#define IPR_SUBS_DEV_ID_573D 0x02D4
70#define IPR_SUBS_DEV_ID_571A 0x02C0
71#define IPR_SUBS_DEV_ID_571B 0x02BE
72#define IPR_SUBS_DEV_ID_571E 0x02BF
73#define IPR_SUBS_DEV_ID_571F 0x02D5
74#define IPR_SUBS_DEV_ID_572A 0x02C1
75#define IPR_SUBS_DEV_ID_572B 0x02C2
76#define IPR_SUBS_DEV_ID_572F 0x02C3
77#define IPR_SUBS_DEV_ID_574E 0x030A
78#define IPR_SUBS_DEV_ID_575B 0x030D
79#define IPR_SUBS_DEV_ID_575C 0x0338
80#define IPR_SUBS_DEV_ID_57B3 0x033A
81#define IPR_SUBS_DEV_ID_57B7 0x0360
82#define IPR_SUBS_DEV_ID_57B8 0x02C2
83
84#define IPR_SUBS_DEV_ID_57B4 0x033B
85#define IPR_SUBS_DEV_ID_57B2 0x035F
86#define IPR_SUBS_DEV_ID_57C0 0x0352
87#define IPR_SUBS_DEV_ID_57C3 0x0353
88#define IPR_SUBS_DEV_ID_57C4 0x0354
89#define IPR_SUBS_DEV_ID_57C6 0x0357
90#define IPR_SUBS_DEV_ID_57CC 0x035C
91
92#define IPR_SUBS_DEV_ID_57B5 0x033C
93#define IPR_SUBS_DEV_ID_57CE 0x035E
94#define IPR_SUBS_DEV_ID_57B1 0x0355
95
96#define IPR_SUBS_DEV_ID_574D 0x0356
97#define IPR_SUBS_DEV_ID_57C8 0x035D
98
99#define IPR_SUBS_DEV_ID_57D5 0x03FB
100#define IPR_SUBS_DEV_ID_57D6 0x03FC
101#define IPR_SUBS_DEV_ID_57D7 0x03FF
102#define IPR_SUBS_DEV_ID_57D8 0x03FE
103#define IPR_SUBS_DEV_ID_57D9 0x046D
104#define IPR_SUBS_DEV_ID_57DA 0x04CA
105#define IPR_SUBS_DEV_ID_57EB 0x0474
106#define IPR_SUBS_DEV_ID_57EC 0x0475
107#define IPR_SUBS_DEV_ID_57ED 0x0499
108#define IPR_SUBS_DEV_ID_57EE 0x049A
109#define IPR_SUBS_DEV_ID_57EF 0x049B
110#define IPR_SUBS_DEV_ID_57F0 0x049C
111#define IPR_SUBS_DEV_ID_2CCA 0x04C7
112#define IPR_SUBS_DEV_ID_2CD2 0x04C8
113#define IPR_SUBS_DEV_ID_2CCD 0x04C9
114#define IPR_NAME "ipr"
115
116/*
117 * Return codes
118 */
119#define IPR_RC_JOB_CONTINUE 1
120#define IPR_RC_JOB_RETURN 2
121
122/*
123 * IOASCs
124 */
125#define IPR_IOASC_NR_INIT_CMD_REQUIRED 0x02040200
126#define IPR_IOASC_NR_IOA_RESET_REQUIRED 0x02048000
127#define IPR_IOASC_SYNC_REQUIRED 0x023f0000
128#define IPR_IOASC_MED_DO_NOT_REALLOC 0x03110C00
129#define IPR_IOASC_HW_SEL_TIMEOUT 0x04050000
130#define IPR_IOASC_HW_DEV_BUS_STATUS 0x04448500
131#define IPR_IOASC_IOASC_MASK 0xFFFFFF00
132#define IPR_IOASC_SCSI_STATUS_MASK 0x000000FF
133#define IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT 0x05240000
134#define IPR_IOASC_IR_RESOURCE_HANDLE 0x05250000
135#define IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA 0x05258100
136#define IPR_IOASA_IR_DUAL_IOA_DISABLED 0x052C8000
137#define IPR_IOASC_BUS_WAS_RESET 0x06290000
138#define IPR_IOASC_BUS_WAS_RESET_BY_OTHER 0x06298000
139#define IPR_IOASC_ABORTED_CMD_TERM_BY_HOST 0x0B5A0000
140
141#define IPR_FIRST_DRIVER_IOASC 0x10000000
142#define IPR_IOASC_IOA_WAS_RESET 0x10000001
143#define IPR_IOASC_PCI_ACCESS_ERROR 0x10000002
144
145/* Driver data flags */
146#define IPR_USE_LONG_TRANSOP_TIMEOUT 0x00000001
147#define IPR_USE_PCI_WARM_RESET 0x00000002
148
149#define IPR_DEFAULT_MAX_ERROR_DUMP 984
150#define IPR_NUM_LOG_HCAMS 2
151#define IPR_NUM_CFG_CHG_HCAMS 2
152#define IPR_NUM_HCAMS (IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS)
153
154#define IPR_MAX_SIS64_TARGETS_PER_BUS 1024
155#define IPR_MAX_SIS64_LUNS_PER_TARGET 0xffffffff
156
157#define IPR_MAX_NUM_TARGETS_PER_BUS 256
158#define IPR_MAX_NUM_LUNS_PER_TARGET 256
159#define IPR_MAX_NUM_VSET_LUNS_PER_TARGET 8
160#define IPR_VSET_BUS 0xff
161#define IPR_IOA_BUS 0xff
162#define IPR_IOA_TARGET 0xff
163#define IPR_IOA_LUN 0xff
164#define IPR_MAX_NUM_BUSES 16
165#define IPR_MAX_BUS_TO_SCAN IPR_MAX_NUM_BUSES
166
167#define IPR_NUM_RESET_RELOAD_RETRIES 3
168
169/* We need resources for HCAMS, IOA reset, IOA bringdown, and ERP */
170#define IPR_NUM_INTERNAL_CMD_BLKS (IPR_NUM_HCAMS + \
171 ((IPR_NUM_RESET_RELOAD_RETRIES + 1) * 2) + 4)
172
173#define IPR_MAX_COMMANDS 100
174#define IPR_NUM_CMD_BLKS (IPR_NUM_BASE_CMD_BLKS + \
175 IPR_NUM_INTERNAL_CMD_BLKS)
176
177#define IPR_MAX_PHYSICAL_DEVS 192
178#define IPR_DEFAULT_SIS64_DEVS 1024
179#define IPR_MAX_SIS64_DEVS 4096
180
181#define IPR_MAX_SGLIST 64
182#define IPR_IOA_MAX_SECTORS 32767
183#define IPR_VSET_MAX_SECTORS 512
184#define IPR_MAX_CDB_LEN 16
185#define IPR_MAX_HRRQ_RETRIES 3
186
187#define IPR_DEFAULT_BUS_WIDTH 16
188#define IPR_80MBs_SCSI_RATE ((80 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
189#define IPR_U160_SCSI_RATE ((160 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
190#define IPR_U320_SCSI_RATE ((320 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
191#define IPR_MAX_SCSI_RATE(width) ((320 * 10) / ((width) / 8))
192
193#define IPR_IOA_RES_HANDLE 0xffffffff
194#define IPR_INVALID_RES_HANDLE 0
195#define IPR_IOA_RES_ADDR 0x00ffffff
196
197/*
198 * Adapter Commands
199 */
200#define IPR_QUERY_RSRC_STATE 0xC2
201#define IPR_RESET_DEVICE 0xC3
202#define IPR_RESET_TYPE_SELECT 0x80
203#define IPR_LUN_RESET 0x40
204#define IPR_TARGET_RESET 0x20
205#define IPR_BUS_RESET 0x10
206#define IPR_ATA_PHY_RESET 0x80
207#define IPR_ID_HOST_RR_Q 0xC4
208#define IPR_QUERY_IOA_CONFIG 0xC5
209#define IPR_CANCEL_ALL_REQUESTS 0xCE
210#define IPR_HOST_CONTROLLED_ASYNC 0xCF
211#define IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE 0x01
212#define IPR_HCAM_CDB_OP_CODE_LOG_DATA 0x02
213#define IPR_SET_SUPPORTED_DEVICES 0xFB
214#define IPR_SET_ALL_SUPPORTED_DEVICES 0x80
215#define IPR_IOA_SHUTDOWN 0xF7
216#define IPR_WR_BUF_DOWNLOAD_AND_SAVE 0x05
217
218/*
219 * Timeouts
220 */
221#define IPR_SHUTDOWN_TIMEOUT (ipr_fastfail ? 60 * HZ : 10 * 60 * HZ)
222#define IPR_VSET_RW_TIMEOUT (ipr_fastfail ? 30 * HZ : 2 * 60 * HZ)
223#define IPR_ABBREV_SHUTDOWN_TIMEOUT (10 * HZ)
224#define IPR_DUAL_IOA_ABBR_SHUTDOWN_TO (2 * 60 * HZ)
225#define IPR_DEVICE_RESET_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
226#define IPR_CANCEL_ALL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
227#define IPR_ABORT_TASK_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
228#define IPR_INTERNAL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
229#define IPR_WRITE_BUFFER_TIMEOUT (30 * 60 * HZ)
230#define IPR_SET_SUP_DEVICE_TIMEOUT (2 * 60 * HZ)
231#define IPR_REQUEST_SENSE_TIMEOUT (10 * HZ)
232#define IPR_OPERATIONAL_TIMEOUT (5 * 60)
233#define IPR_LONG_OPERATIONAL_TIMEOUT (12 * 60)
234#define IPR_WAIT_FOR_RESET_TIMEOUT (2 * HZ)
235#define IPR_CHECK_FOR_RESET_TIMEOUT (HZ / 10)
236#define IPR_WAIT_FOR_BIST_TIMEOUT (2 * HZ)
237#define IPR_PCI_ERROR_RECOVERY_TIMEOUT (120 * HZ)
238#define IPR_PCI_RESET_TIMEOUT (HZ / 2)
239#define IPR_SIS32_DUMP_TIMEOUT (15 * HZ)
240#define IPR_SIS64_DUMP_TIMEOUT (40 * HZ)
241#define IPR_DUMP_DELAY_SECONDS 4
242#define IPR_DUMP_DELAY_TIMEOUT (IPR_DUMP_DELAY_SECONDS * HZ)
243
244/*
245 * SCSI Literals
246 */
247#define IPR_VENDOR_ID_LEN 8
248#define IPR_PROD_ID_LEN 16
249#define IPR_SERIAL_NUM_LEN 8
250
251/*
252 * Hardware literals
253 */
254#define IPR_FMT2_MBX_ADDR_MASK 0x0fffffff
255#define IPR_FMT2_MBX_BAR_SEL_MASK 0xf0000000
256#define IPR_FMT2_MKR_BAR_SEL_SHIFT 28
257#define IPR_GET_FMT2_BAR_SEL(mbx) \
258(((mbx) & IPR_FMT2_MBX_BAR_SEL_MASK) >> IPR_FMT2_MKR_BAR_SEL_SHIFT)
259#define IPR_SDT_FMT2_BAR0_SEL 0x0
260#define IPR_SDT_FMT2_BAR1_SEL 0x1
261#define IPR_SDT_FMT2_BAR2_SEL 0x2
262#define IPR_SDT_FMT2_BAR3_SEL 0x3
263#define IPR_SDT_FMT2_BAR4_SEL 0x4
264#define IPR_SDT_FMT2_BAR5_SEL 0x5
265#define IPR_SDT_FMT2_EXP_ROM_SEL 0x8
266#define IPR_FMT2_SDT_READY_TO_USE 0xC4D4E3F2
267#define IPR_FMT3_SDT_READY_TO_USE 0xC4D4E3F3
268#define IPR_DOORBELL 0x82800000
269#define IPR_RUNTIME_RESET 0x40000000
270
271#define IPR_IPL_INIT_MIN_STAGE_TIME 5
272#define IPR_IPL_INIT_DEFAULT_STAGE_TIME 15
273#define IPR_IPL_INIT_STAGE_UNKNOWN 0x0
274#define IPR_IPL_INIT_STAGE_TRANSOP 0xB0000000
275#define IPR_IPL_INIT_STAGE_MASK 0xff000000
276#define IPR_IPL_INIT_STAGE_TIME_MASK 0x0000ffff
277#define IPR_PCII_IPL_STAGE_CHANGE (0x80000000 >> 0)
278
279#define IPR_PCII_IOA_TRANS_TO_OPER (0x80000000 >> 0)
280#define IPR_PCII_IOARCB_XFER_FAILED (0x80000000 >> 3)
281#define IPR_PCII_IOA_UNIT_CHECKED (0x80000000 >> 4)
282#define IPR_PCII_NO_HOST_RRQ (0x80000000 >> 5)
283#define IPR_PCII_CRITICAL_OPERATION (0x80000000 >> 6)
284#define IPR_PCII_IO_DEBUG_ACKNOWLEDGE (0x80000000 >> 7)
285#define IPR_PCII_IOARRIN_LOST (0x80000000 >> 27)
286#define IPR_PCII_MMIO_ERROR (0x80000000 >> 28)
287#define IPR_PCII_PROC_ERR_STATE (0x80000000 >> 29)
288#define IPR_PCII_HRRQ_UPDATED (0x80000000 >> 30)
289#define IPR_PCII_CORE_ISSUED_RST_REQ (0x80000000 >> 31)
290
291#define IPR_PCII_ERROR_INTERRUPTS \
292(IPR_PCII_IOARCB_XFER_FAILED | IPR_PCII_IOA_UNIT_CHECKED | \
293IPR_PCII_NO_HOST_RRQ | IPR_PCII_IOARRIN_LOST | IPR_PCII_MMIO_ERROR)
294
295#define IPR_PCII_OPER_INTERRUPTS \
296(IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED | IPR_PCII_IOA_TRANS_TO_OPER)
297
298#define IPR_UPROCI_RESET_ALERT (0x80000000 >> 7)
299#define IPR_UPROCI_IO_DEBUG_ALERT (0x80000000 >> 9)
300#define IPR_UPROCI_SIS64_START_BIST (0x80000000 >> 23)
301
302#define IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC 200000 /* 200 ms */
303#define IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC 200000 /* 200 ms */
304
305/*
306 * Dump literals
307 */
308#define IPR_FMT2_MAX_IOA_DUMP_SIZE (4 * 1024 * 1024)
309#define IPR_FMT3_MAX_IOA_DUMP_SIZE (80 * 1024 * 1024)
310#define IPR_FMT2_NUM_SDT_ENTRIES 511
311#define IPR_FMT3_NUM_SDT_ENTRIES 0xFFF
312#define IPR_FMT2_MAX_NUM_DUMP_PAGES ((IPR_FMT2_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
313#define IPR_FMT3_MAX_NUM_DUMP_PAGES ((IPR_FMT3_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
314
315/*
316 * Misc literals
317 */
318#define IPR_NUM_IOADL_ENTRIES IPR_MAX_SGLIST
319#define IPR_MAX_MSIX_VECTORS 0x10
320#define IPR_MAX_HRRQ_NUM 0x10
321#define IPR_INIT_HRRQ 0x0
322
323/*
324 * Adapter interface types
325 */
326
327struct ipr_res_addr {
328 u8 reserved;
329 u8 bus;
330 u8 target;
331 u8 lun;
332#define IPR_GET_PHYS_LOC(res_addr) \
333 (((res_addr).bus << 16) | ((res_addr).target << 8) | (res_addr).lun)
334}__attribute__((packed, aligned (4)));
335
336struct ipr_std_inq_vpids {
337 u8 vendor_id[IPR_VENDOR_ID_LEN];
338 u8 product_id[IPR_PROD_ID_LEN];
339}__attribute__((packed));
340
341struct ipr_vpd {
342 struct ipr_std_inq_vpids vpids;
343 u8 sn[IPR_SERIAL_NUM_LEN];
344}__attribute__((packed));
345
346struct ipr_ext_vpd {
347 struct ipr_vpd vpd;
348 __be32 wwid[2];
349}__attribute__((packed));
350
351struct ipr_ext_vpd64 {
352 struct ipr_vpd vpd;
353 __be32 wwid[4];
354}__attribute__((packed));
355
356struct ipr_std_inq_data {
357 u8 peri_qual_dev_type;
358#define IPR_STD_INQ_PERI_QUAL(peri) ((peri) >> 5)
359#define IPR_STD_INQ_PERI_DEV_TYPE(peri) ((peri) & 0x1F)
360
361 u8 removeable_medium_rsvd;
362#define IPR_STD_INQ_REMOVEABLE_MEDIUM 0x80
363
364#define IPR_IS_DASD_DEVICE(std_inq) \
365((IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_DISK) && \
366!(((std_inq).removeable_medium_rsvd) & IPR_STD_INQ_REMOVEABLE_MEDIUM))
367
368#define IPR_IS_SES_DEVICE(std_inq) \
369(IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_ENCLOSURE)
370
371 u8 version;
372 u8 aen_naca_fmt;
373 u8 additional_len;
374 u8 sccs_rsvd;
375 u8 bq_enc_multi;
376 u8 sync_cmdq_flags;
377
378 struct ipr_std_inq_vpids vpids;
379
380 u8 ros_rsvd_ram_rsvd[4];
381
382 u8 serial_num[IPR_SERIAL_NUM_LEN];
383}__attribute__ ((packed));
384
385#define IPR_RES_TYPE_AF_DASD 0x00
386#define IPR_RES_TYPE_GENERIC_SCSI 0x01
387#define IPR_RES_TYPE_VOLUME_SET 0x02
388#define IPR_RES_TYPE_REMOTE_AF_DASD 0x03
389#define IPR_RES_TYPE_GENERIC_ATA 0x04
390#define IPR_RES_TYPE_ARRAY 0x05
391#define IPR_RES_TYPE_IOAFP 0xff
392
393struct ipr_config_table_entry {
394 u8 proto;
395#define IPR_PROTO_SATA 0x02
396#define IPR_PROTO_SATA_ATAPI 0x03
397#define IPR_PROTO_SAS_STP 0x06
398#define IPR_PROTO_SAS_STP_ATAPI 0x07
399 u8 array_id;
400 u8 flags;
401#define IPR_IS_IOA_RESOURCE 0x80
402 u8 rsvd_subtype;
403
404#define IPR_QUEUEING_MODEL(res) ((((res)->flags) & 0x70) >> 4)
405#define IPR_QUEUE_FROZEN_MODEL 0
406#define IPR_QUEUE_NACA_MODEL 1
407
408 struct ipr_res_addr res_addr;
409 __be32 res_handle;
410 __be32 lun_wwn[2];
411 struct ipr_std_inq_data std_inq_data;
412}__attribute__ ((packed, aligned (4)));
413
414struct ipr_config_table_entry64 {
415 u8 res_type;
416 u8 proto;
417 u8 vset_num;
418 u8 array_id;
419 __be16 flags;
420 __be16 res_flags;
421#define IPR_QUEUEING_MODEL64(res) ((((res)->res_flags) & 0x7000) >> 12)
422 __be32 res_handle;
423 u8 dev_id_type;
424 u8 reserved[3];
425 __be64 dev_id;
426 __be64 lun;
427 __be64 lun_wwn[2];
428#define IPR_MAX_RES_PATH_LENGTH 48
429 __be64 res_path;
430 struct ipr_std_inq_data std_inq_data;
431 u8 reserved2[4];
432 __be64 reserved3[2];
433 u8 reserved4[8];
434}__attribute__ ((packed, aligned (8)));
435
436struct ipr_config_table_hdr {
437 u8 num_entries;
438 u8 flags;
439#define IPR_UCODE_DOWNLOAD_REQ 0x10
440 __be16 reserved;
441}__attribute__((packed, aligned (4)));
442
443struct ipr_config_table_hdr64 {
444 __be16 num_entries;
445 __be16 reserved;
446 u8 flags;
447 u8 reserved2[11];
448}__attribute__((packed, aligned (4)));
449
450struct ipr_config_table {
451 struct ipr_config_table_hdr hdr;
452 struct ipr_config_table_entry dev[0];
453}__attribute__((packed, aligned (4)));
454
455struct ipr_config_table64 {
456 struct ipr_config_table_hdr64 hdr64;
457 struct ipr_config_table_entry64 dev[0];
458}__attribute__((packed, aligned (8)));
459
460struct ipr_config_table_entry_wrapper {
461 union {
462 struct ipr_config_table_entry *cfgte;
463 struct ipr_config_table_entry64 *cfgte64;
464 } u;
465};
466
467struct ipr_hostrcb_cfg_ch_not {
468 union {
469 struct ipr_config_table_entry cfgte;
470 struct ipr_config_table_entry64 cfgte64;
471 } u;
472 u8 reserved[936];
473}__attribute__((packed, aligned (4)));
474
475struct ipr_supported_device {
476 __be16 data_length;
477 u8 reserved;
478 u8 num_records;
479 struct ipr_std_inq_vpids vpids;
480 u8 reserved2[16];
481}__attribute__((packed, aligned (4)));
482
483struct ipr_hrr_queue {
484 struct ipr_ioa_cfg *ioa_cfg;
485 __be32 *host_rrq;
486 dma_addr_t host_rrq_dma;
487#define IPR_HRRQ_REQ_RESP_HANDLE_MASK 0xfffffffc
488#define IPR_HRRQ_RESP_BIT_SET 0x00000002
489#define IPR_HRRQ_TOGGLE_BIT 0x00000001
490#define IPR_HRRQ_REQ_RESP_HANDLE_SHIFT 2
491#define IPR_ID_HRRQ_SELE_ENABLE 0x02
492 volatile __be32 *hrrq_start;
493 volatile __be32 *hrrq_end;
494 volatile __be32 *hrrq_curr;
495
496 struct list_head hrrq_free_q;
497 struct list_head hrrq_pending_q;
498 spinlock_t _lock;
499 spinlock_t *lock;
500
501 volatile u32 toggle_bit;
502 u32 size;
503 u32 min_cmd_id;
504 u32 max_cmd_id;
505 u8 allow_interrupts:1;
506 u8 ioa_is_dead:1;
507 u8 allow_cmds:1;
508 u8 removing_ioa:1;
509
510 struct blk_iopoll iopoll;
511};
512
513/* Command packet structure */
514struct ipr_cmd_pkt {
515 u8 reserved; /* Reserved by IOA */
516 u8 hrrq_id;
517 u8 request_type;
518#define IPR_RQTYPE_SCSICDB 0x00
519#define IPR_RQTYPE_IOACMD 0x01
520#define IPR_RQTYPE_HCAM 0x02
521#define IPR_RQTYPE_ATA_PASSTHRU 0x04
522
523 u8 reserved2;
524
525 u8 flags_hi;
526#define IPR_FLAGS_HI_WRITE_NOT_READ 0x80
527#define IPR_FLAGS_HI_NO_ULEN_CHK 0x20
528#define IPR_FLAGS_HI_SYNC_OVERRIDE 0x10
529#define IPR_FLAGS_HI_SYNC_COMPLETE 0x08
530#define IPR_FLAGS_HI_NO_LINK_DESC 0x04
531
532 u8 flags_lo;
533#define IPR_FLAGS_LO_ALIGNED_BFR 0x20
534#define IPR_FLAGS_LO_DELAY_AFTER_RST 0x10
535#define IPR_FLAGS_LO_UNTAGGED_TASK 0x00
536#define IPR_FLAGS_LO_SIMPLE_TASK 0x02
537#define IPR_FLAGS_LO_ORDERED_TASK 0x04
538#define IPR_FLAGS_LO_HEAD_OF_Q_TASK 0x06
539#define IPR_FLAGS_LO_ACA_TASK 0x08
540
541 u8 cdb[16];
542 __be16 timeout;
543}__attribute__ ((packed, aligned(4)));
544
545struct ipr_ioarcb_ata_regs { /* 22 bytes */
546 u8 flags;
547#define IPR_ATA_FLAG_PACKET_CMD 0x80
548#define IPR_ATA_FLAG_XFER_TYPE_DMA 0x40
549#define IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION 0x20
550 u8 reserved[3];
551
552 __be16 data;
553 u8 feature;
554 u8 nsect;
555 u8 lbal;
556 u8 lbam;
557 u8 lbah;
558 u8 device;
559 u8 command;
560 u8 reserved2[3];
561 u8 hob_feature;
562 u8 hob_nsect;
563 u8 hob_lbal;
564 u8 hob_lbam;
565 u8 hob_lbah;
566 u8 ctl;
567}__attribute__ ((packed, aligned(2)));
568
569struct ipr_ioadl_desc {
570 __be32 flags_and_data_len;
571#define IPR_IOADL_FLAGS_MASK 0xff000000
572#define IPR_IOADL_GET_FLAGS(x) (be32_to_cpu(x) & IPR_IOADL_FLAGS_MASK)
573#define IPR_IOADL_DATA_LEN_MASK 0x00ffffff
574#define IPR_IOADL_GET_DATA_LEN(x) (be32_to_cpu(x) & IPR_IOADL_DATA_LEN_MASK)
575#define IPR_IOADL_FLAGS_READ 0x48000000
576#define IPR_IOADL_FLAGS_READ_LAST 0x49000000
577#define IPR_IOADL_FLAGS_WRITE 0x68000000
578#define IPR_IOADL_FLAGS_WRITE_LAST 0x69000000
579#define IPR_IOADL_FLAGS_LAST 0x01000000
580
581 __be32 address;
582}__attribute__((packed, aligned (8)));
583
584struct ipr_ioadl64_desc {
585 __be32 flags;
586 __be32 data_len;
587 __be64 address;
588}__attribute__((packed, aligned (16)));
589
590struct ipr_ata64_ioadl {
591 struct ipr_ioarcb_ata_regs regs;
592 u16 reserved[5];
593 struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
594}__attribute__((packed, aligned (16)));
595
596struct ipr_ioarcb_add_data {
597 union {
598 struct ipr_ioarcb_ata_regs regs;
599 struct ipr_ioadl_desc ioadl[5];
600 __be32 add_cmd_parms[10];
601 } u;
602}__attribute__ ((packed, aligned (4)));
603
604struct ipr_ioarcb_sis64_add_addr_ecb {
605 __be64 ioasa_host_pci_addr;
606 __be64 data_ioadl_addr;
607 __be64 reserved;
608 __be32 ext_control_buf[4];
609}__attribute__((packed, aligned (8)));
610
611/* IOA Request Control Block 128 bytes */
612struct ipr_ioarcb {
613 union {
614 __be32 ioarcb_host_pci_addr;
615 __be64 ioarcb_host_pci_addr64;
616 } a;
617 __be32 res_handle;
618 __be32 host_response_handle;
619 __be32 reserved1;
620 __be32 reserved2;
621 __be32 reserved3;
622
623 __be32 data_transfer_length;
624 __be32 read_data_transfer_length;
625 __be32 write_ioadl_addr;
626 __be32 ioadl_len;
627 __be32 read_ioadl_addr;
628 __be32 read_ioadl_len;
629
630 __be32 ioasa_host_pci_addr;
631 __be16 ioasa_len;
632 __be16 reserved4;
633
634 struct ipr_cmd_pkt cmd_pkt;
635
636 __be16 add_cmd_parms_offset;
637 __be16 add_cmd_parms_len;
638
639 union {
640 struct ipr_ioarcb_add_data add_data;
641 struct ipr_ioarcb_sis64_add_addr_ecb sis64_addr_data;
642 } u;
643
644}__attribute__((packed, aligned (4)));
645
646struct ipr_ioasa_vset {
647 __be32 failing_lba_hi;
648 __be32 failing_lba_lo;
649 __be32 reserved;
650}__attribute__((packed, aligned (4)));
651
652struct ipr_ioasa_af_dasd {
653 __be32 failing_lba;
654 __be32 reserved[2];
655}__attribute__((packed, aligned (4)));
656
657struct ipr_ioasa_gpdd {
658 u8 end_state;
659 u8 bus_phase;
660 __be16 reserved;
661 __be32 ioa_data[2];
662}__attribute__((packed, aligned (4)));
663
664struct ipr_ioasa_gata {
665 u8 error;
666 u8 nsect; /* Interrupt reason */
667 u8 lbal;
668 u8 lbam;
669 u8 lbah;
670 u8 device;
671 u8 status;
672 u8 alt_status; /* ATA CTL */
673 u8 hob_nsect;
674 u8 hob_lbal;
675 u8 hob_lbam;
676 u8 hob_lbah;
677}__attribute__((packed, aligned (4)));
678
679struct ipr_auto_sense {
680 __be16 auto_sense_len;
681 __be16 ioa_data_len;
682 __be32 data[SCSI_SENSE_BUFFERSIZE/sizeof(__be32)];
683};
684
685struct ipr_ioasa_hdr {
686 __be32 ioasc;
687#define IPR_IOASC_SENSE_KEY(ioasc) ((ioasc) >> 24)
688#define IPR_IOASC_SENSE_CODE(ioasc) (((ioasc) & 0x00ff0000) >> 16)
689#define IPR_IOASC_SENSE_QUAL(ioasc) (((ioasc) & 0x0000ff00) >> 8)
690#define IPR_IOASC_SENSE_STATUS(ioasc) ((ioasc) & 0x000000ff)
691
692 __be16 ret_stat_len; /* Length of the returned IOASA */
693
694 __be16 avail_stat_len; /* Total Length of status available. */
695
696 __be32 residual_data_len; /* number of bytes in the host data */
697 /* buffers that were not used by the IOARCB command. */
698
699 __be32 ilid;
700#define IPR_NO_ILID 0
701#define IPR_DRIVER_ILID 0xffffffff
702
703 __be32 fd_ioasc;
704
705 __be32 fd_phys_locator;
706
707 __be32 fd_res_handle;
708
709 __be32 ioasc_specific; /* status code specific field */
710#define IPR_ADDITIONAL_STATUS_FMT 0x80000000
711#define IPR_AUTOSENSE_VALID 0x40000000
712#define IPR_ATA_DEVICE_WAS_RESET 0x20000000
713#define IPR_IOASC_SPECIFIC_MASK 0x00ffffff
714#define IPR_FIELD_POINTER_VALID (0x80000000 >> 8)
715#define IPR_FIELD_POINTER_MASK 0x0000ffff
716
717}__attribute__((packed, aligned (4)));
718
719struct ipr_ioasa {
720 struct ipr_ioasa_hdr hdr;
721
722 union {
723 struct ipr_ioasa_vset vset;
724 struct ipr_ioasa_af_dasd dasd;
725 struct ipr_ioasa_gpdd gpdd;
726 struct ipr_ioasa_gata gata;
727 } u;
728
729 struct ipr_auto_sense auto_sense;
730}__attribute__((packed, aligned (4)));
731
732struct ipr_ioasa64 {
733 struct ipr_ioasa_hdr hdr;
734 u8 fd_res_path[8];
735
736 union {
737 struct ipr_ioasa_vset vset;
738 struct ipr_ioasa_af_dasd dasd;
739 struct ipr_ioasa_gpdd gpdd;
740 struct ipr_ioasa_gata gata;
741 } u;
742
743 struct ipr_auto_sense auto_sense;
744}__attribute__((packed, aligned (4)));
745
746struct ipr_mode_parm_hdr {
747 u8 length;
748 u8 medium_type;
749 u8 device_spec_parms;
750 u8 block_desc_len;
751}__attribute__((packed));
752
753struct ipr_mode_pages {
754 struct ipr_mode_parm_hdr hdr;
755 u8 data[255 - sizeof(struct ipr_mode_parm_hdr)];
756}__attribute__((packed));
757
758struct ipr_mode_page_hdr {
759 u8 ps_page_code;
760#define IPR_MODE_PAGE_PS 0x80
761#define IPR_GET_MODE_PAGE_CODE(hdr) ((hdr)->ps_page_code & 0x3F)
762 u8 page_length;
763}__attribute__ ((packed));
764
765struct ipr_dev_bus_entry {
766 struct ipr_res_addr res_addr;
767 u8 flags;
768#define IPR_SCSI_ATTR_ENABLE_QAS 0x80
769#define IPR_SCSI_ATTR_DISABLE_QAS 0x40
770#define IPR_SCSI_ATTR_QAS_MASK 0xC0
771#define IPR_SCSI_ATTR_ENABLE_TM 0x20
772#define IPR_SCSI_ATTR_NO_TERM_PWR 0x10
773#define IPR_SCSI_ATTR_TM_SUPPORTED 0x08
774#define IPR_SCSI_ATTR_LVD_TO_SE_NOT_ALLOWED 0x04
775
776 u8 scsi_id;
777 u8 bus_width;
778 u8 extended_reset_delay;
779#define IPR_EXTENDED_RESET_DELAY 7
780
781 __be32 max_xfer_rate;
782
783 u8 spinup_delay;
784 u8 reserved3;
785 __be16 reserved4;
786}__attribute__((packed, aligned (4)));
787
788struct ipr_mode_page28 {
789 struct ipr_mode_page_hdr hdr;
790 u8 num_entries;
791 u8 entry_length;
792 struct ipr_dev_bus_entry bus[0];
793}__attribute__((packed));
794
795struct ipr_mode_page24 {
796 struct ipr_mode_page_hdr hdr;
797 u8 flags;
798#define IPR_ENABLE_DUAL_IOA_AF 0x80
799}__attribute__((packed));
800
801struct ipr_ioa_vpd {
802 struct ipr_std_inq_data std_inq_data;
803 u8 ascii_part_num[12];
804 u8 reserved[40];
805 u8 ascii_plant_code[4];
806}__attribute__((packed));
807
808struct ipr_inquiry_page3 {
809 u8 peri_qual_dev_type;
810 u8 page_code;
811 u8 reserved1;
812 u8 page_length;
813 u8 ascii_len;
814 u8 reserved2[3];
815 u8 load_id[4];
816 u8 major_release;
817 u8 card_type;
818 u8 minor_release[2];
819 u8 ptf_number[4];
820 u8 patch_number[4];
821}__attribute__((packed));
822
823struct ipr_inquiry_cap {
824 u8 peri_qual_dev_type;
825 u8 page_code;
826 u8 reserved1;
827 u8 page_length;
828 u8 ascii_len;
829 u8 reserved2;
830 u8 sis_version[2];
831 u8 cap;
832#define IPR_CAP_DUAL_IOA_RAID 0x80
833 u8 reserved3[15];
834}__attribute__((packed));
835
836#define IPR_INQUIRY_PAGE0_ENTRIES 20
837struct ipr_inquiry_page0 {
838 u8 peri_qual_dev_type;
839 u8 page_code;
840 u8 reserved1;
841 u8 len;
842 u8 page[IPR_INQUIRY_PAGE0_ENTRIES];
843}__attribute__((packed));
844
845struct ipr_hostrcb_device_data_entry {
846 struct ipr_vpd vpd;
847 struct ipr_res_addr dev_res_addr;
848 struct ipr_vpd new_vpd;
849 struct ipr_vpd ioa_last_with_dev_vpd;
850 struct ipr_vpd cfc_last_with_dev_vpd;
851 __be32 ioa_data[5];
852}__attribute__((packed, aligned (4)));
853
854struct ipr_hostrcb_device_data_entry_enhanced {
855 struct ipr_ext_vpd vpd;
856 u8 ccin[4];
857 struct ipr_res_addr dev_res_addr;
858 struct ipr_ext_vpd new_vpd;
859 u8 new_ccin[4];
860 struct ipr_ext_vpd ioa_last_with_dev_vpd;
861 struct ipr_ext_vpd cfc_last_with_dev_vpd;
862}__attribute__((packed, aligned (4)));
863
864struct ipr_hostrcb64_device_data_entry_enhanced {
865 struct ipr_ext_vpd vpd;
866 u8 ccin[4];
867 u8 res_path[8];
868 struct ipr_ext_vpd new_vpd;
869 u8 new_ccin[4];
870 struct ipr_ext_vpd ioa_last_with_dev_vpd;
871 struct ipr_ext_vpd cfc_last_with_dev_vpd;
872}__attribute__((packed, aligned (4)));
873
874struct ipr_hostrcb_array_data_entry {
875 struct ipr_vpd vpd;
876 struct ipr_res_addr expected_dev_res_addr;
877 struct ipr_res_addr dev_res_addr;
878}__attribute__((packed, aligned (4)));
879
880struct ipr_hostrcb64_array_data_entry {
881 struct ipr_ext_vpd vpd;
882 u8 ccin[4];
883 u8 expected_res_path[8];
884 u8 res_path[8];
885}__attribute__((packed, aligned (4)));
886
887struct ipr_hostrcb_array_data_entry_enhanced {
888 struct ipr_ext_vpd vpd;
889 u8 ccin[4];
890 struct ipr_res_addr expected_dev_res_addr;
891 struct ipr_res_addr dev_res_addr;
892}__attribute__((packed, aligned (4)));
893
894struct ipr_hostrcb_type_ff_error {
895 __be32 ioa_data[758];
896}__attribute__((packed, aligned (4)));
897
898struct ipr_hostrcb_type_01_error {
899 __be32 seek_counter;
900 __be32 read_counter;
901 u8 sense_data[32];
902 __be32 ioa_data[236];
903}__attribute__((packed, aligned (4)));
904
905struct ipr_hostrcb_type_21_error {
906 __be32 wwn[4];
907 u8 res_path[8];
908 u8 primary_problem_desc[32];
909 u8 second_problem_desc[32];
910 __be32 sense_data[8];
911 __be32 cdb[4];
912 __be32 residual_trans_length;
913 __be32 length_of_error;
914 __be32 ioa_data[236];
915}__attribute__((packed, aligned (4)));
916
917struct ipr_hostrcb_type_02_error {
918 struct ipr_vpd ioa_vpd;
919 struct ipr_vpd cfc_vpd;
920 struct ipr_vpd ioa_last_attached_to_cfc_vpd;
921 struct ipr_vpd cfc_last_attached_to_ioa_vpd;
922 __be32 ioa_data[3];
923}__attribute__((packed, aligned (4)));
924
925struct ipr_hostrcb_type_12_error {
926 struct ipr_ext_vpd ioa_vpd;
927 struct ipr_ext_vpd cfc_vpd;
928 struct ipr_ext_vpd ioa_last_attached_to_cfc_vpd;
929 struct ipr_ext_vpd cfc_last_attached_to_ioa_vpd;
930 __be32 ioa_data[3];
931}__attribute__((packed, aligned (4)));
932
933struct ipr_hostrcb_type_03_error {
934 struct ipr_vpd ioa_vpd;
935 struct ipr_vpd cfc_vpd;
936 __be32 errors_detected;
937 __be32 errors_logged;
938 u8 ioa_data[12];
939 struct ipr_hostrcb_device_data_entry dev[3];
940}__attribute__((packed, aligned (4)));
941
942struct ipr_hostrcb_type_13_error {
943 struct ipr_ext_vpd ioa_vpd;
944 struct ipr_ext_vpd cfc_vpd;
945 __be32 errors_detected;
946 __be32 errors_logged;
947 struct ipr_hostrcb_device_data_entry_enhanced dev[3];
948}__attribute__((packed, aligned (4)));
949
950struct ipr_hostrcb_type_23_error {
951 struct ipr_ext_vpd ioa_vpd;
952 struct ipr_ext_vpd cfc_vpd;
953 __be32 errors_detected;
954 __be32 errors_logged;
955 struct ipr_hostrcb64_device_data_entry_enhanced dev[3];
956}__attribute__((packed, aligned (4)));
957
958struct ipr_hostrcb_type_04_error {
959 struct ipr_vpd ioa_vpd;
960 struct ipr_vpd cfc_vpd;
961 u8 ioa_data[12];
962 struct ipr_hostrcb_array_data_entry array_member[10];
963 __be32 exposed_mode_adn;
964 __be32 array_id;
965 struct ipr_vpd incomp_dev_vpd;
966 __be32 ioa_data2;
967 struct ipr_hostrcb_array_data_entry array_member2[8];
968 struct ipr_res_addr last_func_vset_res_addr;
969 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
970 u8 protection_level[8];
971}__attribute__((packed, aligned (4)));
972
973struct ipr_hostrcb_type_14_error {
974 struct ipr_ext_vpd ioa_vpd;
975 struct ipr_ext_vpd cfc_vpd;
976 __be32 exposed_mode_adn;
977 __be32 array_id;
978 struct ipr_res_addr last_func_vset_res_addr;
979 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
980 u8 protection_level[8];
981 __be32 num_entries;
982 struct ipr_hostrcb_array_data_entry_enhanced array_member[18];
983}__attribute__((packed, aligned (4)));
984
985struct ipr_hostrcb_type_24_error {
986 struct ipr_ext_vpd ioa_vpd;
987 struct ipr_ext_vpd cfc_vpd;
988 u8 reserved[2];
989 u8 exposed_mode_adn;
990#define IPR_INVALID_ARRAY_DEV_NUM 0xff
991 u8 array_id;
992 u8 last_res_path[8];
993 u8 protection_level[8];
994 struct ipr_ext_vpd64 array_vpd;
995 u8 description[16];
996 u8 reserved2[3];
997 u8 num_entries;
998 struct ipr_hostrcb64_array_data_entry array_member[32];
999}__attribute__((packed, aligned (4)));
1000
1001struct ipr_hostrcb_type_07_error {
1002 u8 failure_reason[64];
1003 struct ipr_vpd vpd;
1004 u32 data[222];
1005}__attribute__((packed, aligned (4)));
1006
1007struct ipr_hostrcb_type_17_error {
1008 u8 failure_reason[64];
1009 struct ipr_ext_vpd vpd;
1010 u32 data[476];
1011}__attribute__((packed, aligned (4)));
1012
1013struct ipr_hostrcb_config_element {
1014 u8 type_status;
1015#define IPR_PATH_CFG_TYPE_MASK 0xF0
1016#define IPR_PATH_CFG_NOT_EXIST 0x00
1017#define IPR_PATH_CFG_IOA_PORT 0x10
1018#define IPR_PATH_CFG_EXP_PORT 0x20
1019#define IPR_PATH_CFG_DEVICE_PORT 0x30
1020#define IPR_PATH_CFG_DEVICE_LUN 0x40
1021
1022#define IPR_PATH_CFG_STATUS_MASK 0x0F
1023#define IPR_PATH_CFG_NO_PROB 0x00
1024#define IPR_PATH_CFG_DEGRADED 0x01
1025#define IPR_PATH_CFG_FAILED 0x02
1026#define IPR_PATH_CFG_SUSPECT 0x03
1027#define IPR_PATH_NOT_DETECTED 0x04
1028#define IPR_PATH_INCORRECT_CONN 0x05
1029
1030 u8 cascaded_expander;
1031 u8 phy;
1032 u8 link_rate;
1033#define IPR_PHY_LINK_RATE_MASK 0x0F
1034
1035 __be32 wwid[2];
1036}__attribute__((packed, aligned (4)));
1037
1038struct ipr_hostrcb64_config_element {
1039 __be16 length;
1040 u8 descriptor_id;
1041#define IPR_DESCRIPTOR_MASK 0xC0
1042#define IPR_DESCRIPTOR_SIS64 0x00
1043
1044 u8 reserved;
1045 u8 type_status;
1046
1047 u8 reserved2[2];
1048 u8 link_rate;
1049
1050 u8 res_path[8];
1051 __be32 wwid[2];
1052}__attribute__((packed, aligned (8)));
1053
1054struct ipr_hostrcb_fabric_desc {
1055 __be16 length;
1056 u8 ioa_port;
1057 u8 cascaded_expander;
1058 u8 phy;
1059 u8 path_state;
1060#define IPR_PATH_ACTIVE_MASK 0xC0
1061#define IPR_PATH_NO_INFO 0x00
1062#define IPR_PATH_ACTIVE 0x40
1063#define IPR_PATH_NOT_ACTIVE 0x80
1064
1065#define IPR_PATH_STATE_MASK 0x0F
1066#define IPR_PATH_STATE_NO_INFO 0x00
1067#define IPR_PATH_HEALTHY 0x01
1068#define IPR_PATH_DEGRADED 0x02
1069#define IPR_PATH_FAILED 0x03
1070
1071 __be16 num_entries;
1072 struct ipr_hostrcb_config_element elem[1];
1073}__attribute__((packed, aligned (4)));
1074
1075struct ipr_hostrcb64_fabric_desc {
1076 __be16 length;
1077 u8 descriptor_id;
1078
1079 u8 reserved[2];
1080 u8 path_state;
1081
1082 u8 reserved2[2];
1083 u8 res_path[8];
1084 u8 reserved3[6];
1085 __be16 num_entries;
1086 struct ipr_hostrcb64_config_element elem[1];
1087}__attribute__((packed, aligned (8)));
1088
1089#define for_each_hrrq(hrrq, ioa_cfg) \
1090 for (hrrq = (ioa_cfg)->hrrq; \
1091 hrrq < ((ioa_cfg)->hrrq + (ioa_cfg)->hrrq_num); hrrq++)
1092
1093#define for_each_fabric_cfg(fabric, cfg) \
1094 for (cfg = (fabric)->elem; \
1095 cfg < ((fabric)->elem + be16_to_cpu((fabric)->num_entries)); \
1096 cfg++)
1097
1098struct ipr_hostrcb_type_20_error {
1099 u8 failure_reason[64];
1100 u8 reserved[3];
1101 u8 num_entries;
1102 struct ipr_hostrcb_fabric_desc desc[1];
1103}__attribute__((packed, aligned (4)));
1104
1105struct ipr_hostrcb_type_30_error {
1106 u8 failure_reason[64];
1107 u8 reserved[3];
1108 u8 num_entries;
1109 struct ipr_hostrcb64_fabric_desc desc[1];
1110}__attribute__((packed, aligned (4)));
1111
1112struct ipr_hostrcb_error {
1113 __be32 fd_ioasc;
1114 struct ipr_res_addr fd_res_addr;
1115 __be32 fd_res_handle;
1116 __be32 prc;
1117 union {
1118 struct ipr_hostrcb_type_ff_error type_ff_error;
1119 struct ipr_hostrcb_type_01_error type_01_error;
1120 struct ipr_hostrcb_type_02_error type_02_error;
1121 struct ipr_hostrcb_type_03_error type_03_error;
1122 struct ipr_hostrcb_type_04_error type_04_error;
1123 struct ipr_hostrcb_type_07_error type_07_error;
1124 struct ipr_hostrcb_type_12_error type_12_error;
1125 struct ipr_hostrcb_type_13_error type_13_error;
1126 struct ipr_hostrcb_type_14_error type_14_error;
1127 struct ipr_hostrcb_type_17_error type_17_error;
1128 struct ipr_hostrcb_type_20_error type_20_error;
1129 } u;
1130}__attribute__((packed, aligned (4)));
1131
1132struct ipr_hostrcb64_error {
1133 __be32 fd_ioasc;
1134 __be32 ioa_fw_level;
1135 __be32 fd_res_handle;
1136 __be32 prc;
1137 __be64 fd_dev_id;
1138 __be64 fd_lun;
1139 u8 fd_res_path[8];
1140 __be64 time_stamp;
1141 u8 reserved[16];
1142 union {
1143 struct ipr_hostrcb_type_ff_error type_ff_error;
1144 struct ipr_hostrcb_type_12_error type_12_error;
1145 struct ipr_hostrcb_type_17_error type_17_error;
1146 struct ipr_hostrcb_type_21_error type_21_error;
1147 struct ipr_hostrcb_type_23_error type_23_error;
1148 struct ipr_hostrcb_type_24_error type_24_error;
1149 struct ipr_hostrcb_type_30_error type_30_error;
1150 } u;
1151}__attribute__((packed, aligned (8)));
1152
1153struct ipr_hostrcb_raw {
1154 __be32 data[sizeof(struct ipr_hostrcb_error)/sizeof(__be32)];
1155}__attribute__((packed, aligned (4)));
1156
1157struct ipr_hcam {
1158 u8 op_code;
1159#define IPR_HOST_RCB_OP_CODE_CONFIG_CHANGE 0xE1
1160#define IPR_HOST_RCB_OP_CODE_LOG_DATA 0xE2
1161
1162 u8 notify_type;
1163#define IPR_HOST_RCB_NOTIF_TYPE_EXISTING_CHANGED 0x00
1164#define IPR_HOST_RCB_NOTIF_TYPE_NEW_ENTRY 0x01
1165#define IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY 0x02
1166#define IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY 0x10
1167#define IPR_HOST_RCB_NOTIF_TYPE_INFORMATION_ENTRY 0x11
1168
1169 u8 notifications_lost;
1170#define IPR_HOST_RCB_NO_NOTIFICATIONS_LOST 0
1171#define IPR_HOST_RCB_NOTIFICATIONS_LOST 0x80
1172
1173 u8 flags;
1174#define IPR_HOSTRCB_INTERNAL_OPER 0x80
1175#define IPR_HOSTRCB_ERR_RESP_SENT 0x40
1176
1177 u8 overlay_id;
1178#define IPR_HOST_RCB_OVERLAY_ID_1 0x01
1179#define IPR_HOST_RCB_OVERLAY_ID_2 0x02
1180#define IPR_HOST_RCB_OVERLAY_ID_3 0x03
1181#define IPR_HOST_RCB_OVERLAY_ID_4 0x04
1182#define IPR_HOST_RCB_OVERLAY_ID_6 0x06
1183#define IPR_HOST_RCB_OVERLAY_ID_7 0x07
1184#define IPR_HOST_RCB_OVERLAY_ID_12 0x12
1185#define IPR_HOST_RCB_OVERLAY_ID_13 0x13
1186#define IPR_HOST_RCB_OVERLAY_ID_14 0x14
1187#define IPR_HOST_RCB_OVERLAY_ID_16 0x16
1188#define IPR_HOST_RCB_OVERLAY_ID_17 0x17
1189#define IPR_HOST_RCB_OVERLAY_ID_20 0x20
1190#define IPR_HOST_RCB_OVERLAY_ID_21 0x21
1191#define IPR_HOST_RCB_OVERLAY_ID_23 0x23
1192#define IPR_HOST_RCB_OVERLAY_ID_24 0x24
1193#define IPR_HOST_RCB_OVERLAY_ID_26 0x26
1194#define IPR_HOST_RCB_OVERLAY_ID_30 0x30
1195#define IPR_HOST_RCB_OVERLAY_ID_DEFAULT 0xFF
1196
1197 u8 reserved1[3];
1198 __be32 ilid;
1199 __be32 time_since_last_ioa_reset;
1200 __be32 reserved2;
1201 __be32 length;
1202
1203 union {
1204 struct ipr_hostrcb_error error;
1205 struct ipr_hostrcb64_error error64;
1206 struct ipr_hostrcb_cfg_ch_not ccn;
1207 struct ipr_hostrcb_raw raw;
1208 } u;
1209}__attribute__((packed, aligned (4)));
1210
1211struct ipr_hostrcb {
1212 struct ipr_hcam hcam;
1213 dma_addr_t hostrcb_dma;
1214 struct list_head queue;
1215 struct ipr_ioa_cfg *ioa_cfg;
1216 char rp_buffer[IPR_MAX_RES_PATH_LENGTH];
1217};
1218
1219/* IPR smart dump table structures */
1220struct ipr_sdt_entry {
1221 __be32 start_token;
1222 __be32 end_token;
1223 u8 reserved[4];
1224
1225 u8 flags;
1226#define IPR_SDT_ENDIAN 0x80
1227#define IPR_SDT_VALID_ENTRY 0x20
1228
1229 u8 resv;
1230 __be16 priority;
1231}__attribute__((packed, aligned (4)));
1232
1233struct ipr_sdt_header {
1234 __be32 state;
1235 __be32 num_entries;
1236 __be32 num_entries_used;
1237 __be32 dump_size;
1238}__attribute__((packed, aligned (4)));
1239
1240struct ipr_sdt {
1241 struct ipr_sdt_header hdr;
1242 struct ipr_sdt_entry entry[IPR_FMT3_NUM_SDT_ENTRIES];
1243}__attribute__((packed, aligned (4)));
1244
1245struct ipr_uc_sdt {
1246 struct ipr_sdt_header hdr;
1247 struct ipr_sdt_entry entry[1];
1248}__attribute__((packed, aligned (4)));
1249
1250/*
1251 * Driver types
1252 */
1253struct ipr_bus_attributes {
1254 u8 bus;
1255 u8 qas_enabled;
1256 u8 bus_width;
1257 u8 reserved;
1258 u32 max_xfer_rate;
1259};
1260
1261struct ipr_sata_port {
1262 struct ipr_ioa_cfg *ioa_cfg;
1263 struct ata_port *ap;
1264 struct ipr_resource_entry *res;
1265 struct ipr_ioasa_gata ioasa;
1266};
1267
1268struct ipr_resource_entry {
1269 u8 needs_sync_complete:1;
1270 u8 in_erp:1;
1271 u8 add_to_ml:1;
1272 u8 del_from_ml:1;
1273 u8 resetting_device:1;
1274 u8 reset_occurred:1;
1275
1276 u32 bus; /* AKA channel */
1277 u32 target; /* AKA id */
1278 u32 lun;
1279#define IPR_ARRAY_VIRTUAL_BUS 0x1
1280#define IPR_VSET_VIRTUAL_BUS 0x2
1281#define IPR_IOAFP_VIRTUAL_BUS 0x3
1282
1283#define IPR_GET_RES_PHYS_LOC(res) \
1284 (((res)->bus << 24) | ((res)->target << 8) | (res)->lun)
1285
1286 u8 ata_class;
1287
1288 u8 flags;
1289 __be16 res_flags;
1290
1291 u8 type;
1292
1293 u8 qmodel;
1294 struct ipr_std_inq_data std_inq_data;
1295
1296 __be32 res_handle;
1297 __be64 dev_id;
1298 __be64 lun_wwn;
1299 struct scsi_lun dev_lun;
1300 u8 res_path[8];
1301
1302 struct ipr_ioa_cfg *ioa_cfg;
1303 struct scsi_device *sdev;
1304 struct ipr_sata_port *sata_port;
1305 struct list_head queue;
1306}; /* struct ipr_resource_entry */
1307
1308struct ipr_resource_hdr {
1309 u16 num_entries;
1310 u16 reserved;
1311};
1312
1313struct ipr_misc_cbs {
1314 struct ipr_ioa_vpd ioa_vpd;
1315 struct ipr_inquiry_page0 page0_data;
1316 struct ipr_inquiry_page3 page3_data;
1317 struct ipr_inquiry_cap cap;
1318 struct ipr_mode_pages mode_pages;
1319 struct ipr_supported_device supp_dev;
1320};
1321
1322struct ipr_interrupt_offsets {
1323 unsigned long set_interrupt_mask_reg;
1324 unsigned long clr_interrupt_mask_reg;
1325 unsigned long clr_interrupt_mask_reg32;
1326 unsigned long sense_interrupt_mask_reg;
1327 unsigned long sense_interrupt_mask_reg32;
1328 unsigned long clr_interrupt_reg;
1329 unsigned long clr_interrupt_reg32;
1330
1331 unsigned long sense_interrupt_reg;
1332 unsigned long sense_interrupt_reg32;
1333 unsigned long ioarrin_reg;
1334 unsigned long sense_uproc_interrupt_reg;
1335 unsigned long sense_uproc_interrupt_reg32;
1336 unsigned long set_uproc_interrupt_reg;
1337 unsigned long set_uproc_interrupt_reg32;
1338 unsigned long clr_uproc_interrupt_reg;
1339 unsigned long clr_uproc_interrupt_reg32;
1340
1341 unsigned long init_feedback_reg;
1342
1343 unsigned long dump_addr_reg;
1344 unsigned long dump_data_reg;
1345
1346#define IPR_ENDIAN_SWAP_KEY 0x00080800
1347 unsigned long endian_swap_reg;
1348};
1349
1350struct ipr_interrupts {
1351 void __iomem *set_interrupt_mask_reg;
1352 void __iomem *clr_interrupt_mask_reg;
1353 void __iomem *clr_interrupt_mask_reg32;
1354 void __iomem *sense_interrupt_mask_reg;
1355 void __iomem *sense_interrupt_mask_reg32;
1356 void __iomem *clr_interrupt_reg;
1357 void __iomem *clr_interrupt_reg32;
1358
1359 void __iomem *sense_interrupt_reg;
1360 void __iomem *sense_interrupt_reg32;
1361 void __iomem *ioarrin_reg;
1362 void __iomem *sense_uproc_interrupt_reg;
1363 void __iomem *sense_uproc_interrupt_reg32;
1364 void __iomem *set_uproc_interrupt_reg;
1365 void __iomem *set_uproc_interrupt_reg32;
1366 void __iomem *clr_uproc_interrupt_reg;
1367 void __iomem *clr_uproc_interrupt_reg32;
1368
1369 void __iomem *init_feedback_reg;
1370
1371 void __iomem *dump_addr_reg;
1372 void __iomem *dump_data_reg;
1373
1374 void __iomem *endian_swap_reg;
1375};
1376
1377struct ipr_chip_cfg_t {
1378 u32 mailbox;
1379 u16 max_cmds;
1380 u8 cache_line_size;
1381 u8 clear_isr;
1382 u32 iopoll_weight;
1383 struct ipr_interrupt_offsets regs;
1384};
1385
1386struct ipr_chip_t {
1387 u16 vendor;
1388 u16 device;
1389 u16 intr_type;
1390#define IPR_USE_LSI 0x00
1391#define IPR_USE_MSI 0x01
1392#define IPR_USE_MSIX 0x02
1393 u16 sis_type;
1394#define IPR_SIS32 0x00
1395#define IPR_SIS64 0x01
1396 u16 bist_method;
1397#define IPR_PCI_CFG 0x00
1398#define IPR_MMIO 0x01
1399 const struct ipr_chip_cfg_t *cfg;
1400};
1401
1402enum ipr_shutdown_type {
1403 IPR_SHUTDOWN_NORMAL = 0x00,
1404 IPR_SHUTDOWN_PREPARE_FOR_NORMAL = 0x40,
1405 IPR_SHUTDOWN_ABBREV = 0x80,
1406 IPR_SHUTDOWN_NONE = 0x100
1407};
1408
1409struct ipr_trace_entry {
1410 u32 time;
1411
1412 u8 op_code;
1413 u8 ata_op_code;
1414 u8 type;
1415#define IPR_TRACE_START 0x00
1416#define IPR_TRACE_FINISH 0xff
1417 u8 cmd_index;
1418
1419 __be32 res_handle;
1420 union {
1421 u32 ioasc;
1422 u32 add_data;
1423 u32 res_addr;
1424 } u;
1425};
1426
1427struct ipr_sglist {
1428 u32 order;
1429 u32 num_sg;
1430 u32 num_dma_sg;
1431 u32 buffer_len;
1432 struct scatterlist scatterlist[1];
1433};
1434
1435enum ipr_sdt_state {
1436 INACTIVE,
1437 WAIT_FOR_DUMP,
1438 GET_DUMP,
1439 READ_DUMP,
1440 ABORT_DUMP,
1441 DUMP_OBTAINED
1442};
1443
1444/* Per-controller data */
1445struct ipr_ioa_cfg {
1446 char eye_catcher[8];
1447#define IPR_EYECATCHER "iprcfg"
1448
1449 struct list_head queue;
1450
1451 u8 in_reset_reload:1;
1452 u8 in_ioa_bringdown:1;
1453 u8 ioa_unit_checked:1;
1454 u8 dump_taken:1;
1455 u8 allow_ml_add_del:1;
1456 u8 needs_hard_reset:1;
1457 u8 dual_raid:1;
1458 u8 needs_warm_reset:1;
1459 u8 msi_received:1;
1460 u8 sis64:1;
1461 u8 dump_timeout:1;
1462 u8 cfg_locked:1;
1463 u8 clear_isr:1;
1464 u8 probe_done:1;
1465
1466 u8 revid;
1467
1468 /*
1469 * Bitmaps for SIS64 generated target values
1470 */
1471 unsigned long target_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1472 unsigned long array_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1473 unsigned long vset_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1474
1475 u16 type; /* CCIN of the card */
1476
1477 u8 log_level;
1478#define IPR_MAX_LOG_LEVEL 4
1479#define IPR_DEFAULT_LOG_LEVEL 2
1480
1481#define IPR_NUM_TRACE_INDEX_BITS 8
1482#define IPR_NUM_TRACE_ENTRIES (1 << IPR_NUM_TRACE_INDEX_BITS)
1483#define IPR_TRACE_SIZE (sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES)
1484 char trace_start[8];
1485#define IPR_TRACE_START_LABEL "trace"
1486 struct ipr_trace_entry *trace;
1487 atomic_t trace_index;
1488
1489 char cfg_table_start[8];
1490#define IPR_CFG_TBL_START "cfg"
1491 union {
1492 struct ipr_config_table *cfg_table;
1493 struct ipr_config_table64 *cfg_table64;
1494 } u;
1495 dma_addr_t cfg_table_dma;
1496 u32 cfg_table_size;
1497 u32 max_devs_supported;
1498
1499 char resource_table_label[8];
1500#define IPR_RES_TABLE_LABEL "res_tbl"
1501 struct ipr_resource_entry *res_entries;
1502 struct list_head free_res_q;
1503 struct list_head used_res_q;
1504
1505 char ipr_hcam_label[8];
1506#define IPR_HCAM_LABEL "hcams"
1507 struct ipr_hostrcb *hostrcb[IPR_NUM_HCAMS];
1508 dma_addr_t hostrcb_dma[IPR_NUM_HCAMS];
1509 struct list_head hostrcb_free_q;
1510 struct list_head hostrcb_pending_q;
1511
1512 struct ipr_hrr_queue hrrq[IPR_MAX_HRRQ_NUM];
1513 u32 hrrq_num;
1514 atomic_t hrrq_index;
1515 u16 identify_hrrq_index;
1516
1517 struct ipr_bus_attributes bus_attr[IPR_MAX_NUM_BUSES];
1518
1519 unsigned int transop_timeout;
1520 const struct ipr_chip_cfg_t *chip_cfg;
1521 const struct ipr_chip_t *ipr_chip;
1522
1523 void __iomem *hdw_dma_regs; /* iomapped PCI memory space */
1524 unsigned long hdw_dma_regs_pci; /* raw PCI memory space */
1525 void __iomem *ioa_mailbox;
1526 struct ipr_interrupts regs;
1527
1528 u16 saved_pcix_cmd_reg;
1529 u16 reset_retries;
1530
1531 u32 errors_logged;
1532 u32 doorbell;
1533
1534 struct Scsi_Host *host;
1535 struct pci_dev *pdev;
1536 struct ipr_sglist *ucode_sglist;
1537 u8 saved_mode_page_len;
1538
1539 struct work_struct work_q;
1540
1541 wait_queue_head_t reset_wait_q;
1542 wait_queue_head_t msi_wait_q;
1543 wait_queue_head_t eeh_wait_q;
1544
1545 struct ipr_dump *dump;
1546 enum ipr_sdt_state sdt_state;
1547
1548 struct ipr_misc_cbs *vpd_cbs;
1549 dma_addr_t vpd_cbs_dma;
1550
1551 struct pci_pool *ipr_cmd_pool;
1552
1553 struct ipr_cmnd *reset_cmd;
1554 int (*reset) (struct ipr_cmnd *);
1555
1556 struct ata_host ata_host;
1557 char ipr_cmd_label[8];
1558#define IPR_CMD_LABEL "ipr_cmd"
1559 u32 max_cmds;
1560 struct ipr_cmnd **ipr_cmnd_list;
1561 dma_addr_t *ipr_cmnd_list_dma;
1562
1563 u16 intr_flag;
1564 unsigned int nvectors;
1565
1566 struct {
1567 unsigned short vec;
1568 char desc[22];
1569 } vectors_info[IPR_MAX_MSIX_VECTORS];
1570
1571 u32 iopoll_weight;
1572
1573}; /* struct ipr_ioa_cfg */
1574
1575struct ipr_cmnd {
1576 struct ipr_ioarcb ioarcb;
1577 union {
1578 struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
1579 struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
1580 struct ipr_ata64_ioadl ata_ioadl;
1581 } i;
1582 union {
1583 struct ipr_ioasa ioasa;
1584 struct ipr_ioasa64 ioasa64;
1585 } s;
1586 struct list_head queue;
1587 struct scsi_cmnd *scsi_cmd;
1588 struct ata_queued_cmd *qc;
1589 struct completion completion;
1590 struct timer_list timer;
1591 void (*fast_done) (struct ipr_cmnd *);
1592 void (*done) (struct ipr_cmnd *);
1593 int (*job_step) (struct ipr_cmnd *);
1594 int (*job_step_failed) (struct ipr_cmnd *);
1595 u16 cmd_index;
1596 u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
1597 dma_addr_t sense_buffer_dma;
1598 unsigned short dma_use_sg;
1599 dma_addr_t dma_addr;
1600 struct ipr_cmnd *sibling;
1601 union {
1602 enum ipr_shutdown_type shutdown_type;
1603 struct ipr_hostrcb *hostrcb;
1604 unsigned long time_left;
1605 unsigned long scratch;
1606 struct ipr_resource_entry *res;
1607 struct scsi_device *sdev;
1608 } u;
1609
1610 struct ipr_hrr_queue *hrrq;
1611 struct ipr_ioa_cfg *ioa_cfg;
1612};
1613
1614struct ipr_ses_table_entry {
1615 char product_id[17];
1616 char compare_product_id_byte[17];
1617 u32 max_bus_speed_limit; /* MB/sec limit for this backplane */
1618};
1619
1620struct ipr_dump_header {
1621 u32 eye_catcher;
1622#define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1623 u32 len;
1624 u32 num_entries;
1625 u32 first_entry_offset;
1626 u32 status;
1627#define IPR_DUMP_STATUS_SUCCESS 0
1628#define IPR_DUMP_STATUS_QUAL_SUCCESS 2
1629#define IPR_DUMP_STATUS_FAILED 0xffffffff
1630 u32 os;
1631#define IPR_DUMP_OS_LINUX 0x4C4E5558
1632 u32 driver_name;
1633#define IPR_DUMP_DRIVER_NAME 0x49505232
1634}__attribute__((packed, aligned (4)));
1635
1636struct ipr_dump_entry_header {
1637 u32 eye_catcher;
1638#define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1639 u32 len;
1640 u32 num_elems;
1641 u32 offset;
1642 u32 data_type;
1643#define IPR_DUMP_DATA_TYPE_ASCII 0x41534349
1644#define IPR_DUMP_DATA_TYPE_BINARY 0x42494E41
1645 u32 id;
1646#define IPR_DUMP_IOA_DUMP_ID 0x494F4131
1647#define IPR_DUMP_LOCATION_ID 0x4C4F4341
1648#define IPR_DUMP_TRACE_ID 0x54524143
1649#define IPR_DUMP_DRIVER_VERSION_ID 0x44525652
1650#define IPR_DUMP_DRIVER_TYPE_ID 0x54595045
1651#define IPR_DUMP_IOA_CTRL_BLK 0x494F4342
1652#define IPR_DUMP_PEND_OPS 0x414F5053
1653 u32 status;
1654}__attribute__((packed, aligned (4)));
1655
1656struct ipr_dump_location_entry {
1657 struct ipr_dump_entry_header hdr;
1658 u8 location[20];
1659}__attribute__((packed));
1660
1661struct ipr_dump_trace_entry {
1662 struct ipr_dump_entry_header hdr;
1663 u32 trace[IPR_TRACE_SIZE / sizeof(u32)];
1664}__attribute__((packed, aligned (4)));
1665
1666struct ipr_dump_version_entry {
1667 struct ipr_dump_entry_header hdr;
1668 u8 version[sizeof(IPR_DRIVER_VERSION)];
1669};
1670
1671struct ipr_dump_ioa_type_entry {
1672 struct ipr_dump_entry_header hdr;
1673 u32 type;
1674 u32 fw_version;
1675};
1676
1677struct ipr_driver_dump {
1678 struct ipr_dump_header hdr;
1679 struct ipr_dump_version_entry version_entry;
1680 struct ipr_dump_location_entry location_entry;
1681 struct ipr_dump_ioa_type_entry ioa_type_entry;
1682 struct ipr_dump_trace_entry trace_entry;
1683}__attribute__((packed));
1684
1685struct ipr_ioa_dump {
1686 struct ipr_dump_entry_header hdr;
1687 struct ipr_sdt sdt;
1688 __be32 **ioa_data;
1689 u32 reserved;
1690 u32 next_page_index;
1691 u32 page_offset;
1692 u32 format;
1693}__attribute__((packed, aligned (4)));
1694
1695struct ipr_dump {
1696 struct kref kref;
1697 struct ipr_ioa_cfg *ioa_cfg;
1698 struct ipr_driver_dump driver_dump;
1699 struct ipr_ioa_dump ioa_dump;
1700};
1701
1702struct ipr_error_table_t {
1703 u32 ioasc;
1704 int log_ioasa;
1705 int log_hcam;
1706 char *error;
1707};
1708
1709struct ipr_software_inq_lid_info {
1710 __be32 load_id;
1711 __be32 timestamp[3];
1712}__attribute__((packed, aligned (4)));
1713
1714struct ipr_ucode_image_header {
1715 __be32 header_length;
1716 __be32 lid_table_offset;
1717 u8 major_release;
1718 u8 card_type;
1719 u8 minor_release[2];
1720 u8 reserved[20];
1721 char eyecatcher[16];
1722 __be32 num_lids;
1723 struct ipr_software_inq_lid_info lid[1];
1724}__attribute__((packed, aligned (4)));
1725
1726/*
1727 * Macros
1728 */
1729#define IPR_DBG_CMD(CMD) if (ipr_debug) { CMD; }
1730
1731#ifdef CONFIG_SCSI_IPR_TRACE
1732#define ipr_create_trace_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1733#define ipr_remove_trace_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1734#else
1735#define ipr_create_trace_file(kobj, attr) 0
1736#define ipr_remove_trace_file(kobj, attr) do { } while(0)
1737#endif
1738
1739#ifdef CONFIG_SCSI_IPR_DUMP
1740#define ipr_create_dump_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1741#define ipr_remove_dump_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1742#else
1743#define ipr_create_dump_file(kobj, attr) 0
1744#define ipr_remove_dump_file(kobj, attr) do { } while(0)
1745#endif
1746
1747/*
1748 * Error logging macros
1749 */
1750#define ipr_err(...) printk(KERN_ERR IPR_NAME ": "__VA_ARGS__)
1751#define ipr_info(...) printk(KERN_INFO IPR_NAME ": "__VA_ARGS__)
1752#define ipr_dbg(...) IPR_DBG_CMD(printk(KERN_INFO IPR_NAME ": "__VA_ARGS__))
1753
1754#define ipr_res_printk(level, ioa_cfg, bus, target, lun, fmt, ...) \
1755 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1756 bus, target, lun, ##__VA_ARGS__)
1757
1758#define ipr_res_err(ioa_cfg, res, fmt, ...) \
1759 ipr_res_printk(KERN_ERR, ioa_cfg, (res)->bus, (res)->target, (res)->lun, fmt, ##__VA_ARGS__)
1760
1761#define ipr_ra_printk(level, ioa_cfg, ra, fmt, ...) \
1762 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1763 (ra).bus, (ra).target, (ra).lun, ##__VA_ARGS__)
1764
1765#define ipr_ra_err(ioa_cfg, ra, fmt, ...) \
1766 ipr_ra_printk(KERN_ERR, ioa_cfg, ra, fmt, ##__VA_ARGS__)
1767
1768#define ipr_phys_res_err(ioa_cfg, res, fmt, ...) \
1769{ \
1770 if ((res).bus >= IPR_MAX_NUM_BUSES) { \
1771 ipr_err(fmt": unknown\n", ##__VA_ARGS__); \
1772 } else { \
1773 ipr_err(fmt": %d:%d:%d:%d\n", \
1774 ##__VA_ARGS__, (ioa_cfg)->host->host_no, \
1775 (res).bus, (res).target, (res).lun); \
1776 } \
1777}
1778
1779#define ipr_hcam_err(hostrcb, fmt, ...) \
1780{ \
1781 if (ipr_is_device(hostrcb)) { \
1782 if ((hostrcb)->ioa_cfg->sis64) { \
1783 printk(KERN_ERR IPR_NAME ": %s: " fmt, \
1784 ipr_format_res_path(hostrcb->ioa_cfg, \
1785 hostrcb->hcam.u.error64.fd_res_path, \
1786 hostrcb->rp_buffer, \
1787 sizeof(hostrcb->rp_buffer)), \
1788 __VA_ARGS__); \
1789 } else { \
1790 ipr_ra_err((hostrcb)->ioa_cfg, \
1791 (hostrcb)->hcam.u.error.fd_res_addr, \
1792 fmt, __VA_ARGS__); \
1793 } \
1794 } else { \
1795 dev_err(&(hostrcb)->ioa_cfg->pdev->dev, fmt, __VA_ARGS__); \
1796 } \
1797}
1798
1799#define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
1800 __FILE__, __func__, __LINE__)
1801
1802#define ENTER IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Entering %s\n", __func__))
1803#define LEAVE IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Leaving %s\n", __func__))
1804
1805#define ipr_err_separator \
1806ipr_err("----------------------------------------------------------\n")
1807
1808
1809/*
1810 * Inlines
1811 */
1812
1813/**
1814 * ipr_is_ioa_resource - Determine if a resource is the IOA
1815 * @res: resource entry struct
1816 *
1817 * Return value:
1818 * 1 if IOA / 0 if not IOA
1819 **/
1820static inline int ipr_is_ioa_resource(struct ipr_resource_entry *res)
1821{
1822 return res->type == IPR_RES_TYPE_IOAFP;
1823}
1824
1825/**
1826 * ipr_is_af_dasd_device - Determine if a resource is an AF DASD
1827 * @res: resource entry struct
1828 *
1829 * Return value:
1830 * 1 if AF DASD / 0 if not AF DASD
1831 **/
1832static inline int ipr_is_af_dasd_device(struct ipr_resource_entry *res)
1833{
1834 return res->type == IPR_RES_TYPE_AF_DASD ||
1835 res->type == IPR_RES_TYPE_REMOTE_AF_DASD;
1836}
1837
1838/**
1839 * ipr_is_vset_device - Determine if a resource is a VSET
1840 * @res: resource entry struct
1841 *
1842 * Return value:
1843 * 1 if VSET / 0 if not VSET
1844 **/
1845static inline int ipr_is_vset_device(struct ipr_resource_entry *res)
1846{
1847 return res->type == IPR_RES_TYPE_VOLUME_SET;
1848}
1849
1850/**
1851 * ipr_is_gscsi - Determine if a resource is a generic scsi resource
1852 * @res: resource entry struct
1853 *
1854 * Return value:
1855 * 1 if GSCSI / 0 if not GSCSI
1856 **/
1857static inline int ipr_is_gscsi(struct ipr_resource_entry *res)
1858{
1859 return res->type == IPR_RES_TYPE_GENERIC_SCSI;
1860}
1861
1862/**
1863 * ipr_is_scsi_disk - Determine if a resource is a SCSI disk
1864 * @res: resource entry struct
1865 *
1866 * Return value:
1867 * 1 if SCSI disk / 0 if not SCSI disk
1868 **/
1869static inline int ipr_is_scsi_disk(struct ipr_resource_entry *res)
1870{
1871 if (ipr_is_af_dasd_device(res) ||
1872 (ipr_is_gscsi(res) && IPR_IS_DASD_DEVICE(res->std_inq_data)))
1873 return 1;
1874 else
1875 return 0;
1876}
1877
1878/**
1879 * ipr_is_gata - Determine if a resource is a generic ATA resource
1880 * @res: resource entry struct
1881 *
1882 * Return value:
1883 * 1 if GATA / 0 if not GATA
1884 **/
1885static inline int ipr_is_gata(struct ipr_resource_entry *res)
1886{
1887 return res->type == IPR_RES_TYPE_GENERIC_ATA;
1888}
1889
1890/**
1891 * ipr_is_naca_model - Determine if a resource is using NACA queueing model
1892 * @res: resource entry struct
1893 *
1894 * Return value:
1895 * 1 if NACA queueing model / 0 if not NACA queueing model
1896 **/
1897static inline int ipr_is_naca_model(struct ipr_resource_entry *res)
1898{
1899 if (ipr_is_gscsi(res) && res->qmodel == IPR_QUEUE_NACA_MODEL)
1900 return 1;
1901 return 0;
1902}
1903
1904/**
1905 * ipr_is_device - Determine if the hostrcb structure is related to a device
1906 * @hostrcb: host resource control blocks struct
1907 *
1908 * Return value:
1909 * 1 if AF / 0 if not AF
1910 **/
1911static inline int ipr_is_device(struct ipr_hostrcb *hostrcb)
1912{
1913 struct ipr_res_addr *res_addr;
1914 u8 *res_path;
1915
1916 if (hostrcb->ioa_cfg->sis64) {
1917 res_path = &hostrcb->hcam.u.error64.fd_res_path[0];
1918 if ((res_path[0] == 0x00 || res_path[0] == 0x80 ||
1919 res_path[0] == 0x81) && res_path[2] != 0xFF)
1920 return 1;
1921 } else {
1922 res_addr = &hostrcb->hcam.u.error.fd_res_addr;
1923
1924 if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
1925 (res_addr->target < (IPR_MAX_NUM_TARGETS_PER_BUS - 1)))
1926 return 1;
1927 }
1928 return 0;
1929}
1930
1931/**
1932 * ipr_sdt_is_fmt2 - Determine if a SDT address is in format 2
1933 * @sdt_word: SDT address
1934 *
1935 * Return value:
1936 * 1 if format 2 / 0 if not
1937 **/
1938static inline int ipr_sdt_is_fmt2(u32 sdt_word)
1939{
1940 u32 bar_sel = IPR_GET_FMT2_BAR_SEL(sdt_word);
1941
1942 switch (bar_sel) {
1943 case IPR_SDT_FMT2_BAR0_SEL:
1944 case IPR_SDT_FMT2_BAR1_SEL:
1945 case IPR_SDT_FMT2_BAR2_SEL:
1946 case IPR_SDT_FMT2_BAR3_SEL:
1947 case IPR_SDT_FMT2_BAR4_SEL:
1948 case IPR_SDT_FMT2_BAR5_SEL:
1949 case IPR_SDT_FMT2_EXP_ROM_SEL:
1950 return 1;
1951 };
1952
1953 return 0;
1954}
1955
1956#ifndef writeq
1957static inline void writeq(u64 val, void __iomem *addr)
1958{
1959 writel(((u32) (val >> 32)), addr);
1960 writel(((u32) (val)), (addr + 4));
1961}
1962#endif
1963
1964#endif /* _IPR_H */
1/*
2 * ipr.h -- driver for IBM Power Linux RAID adapters
3 *
4 * Written By: Brian King <brking@us.ibm.com>, IBM Corporation
5 *
6 * Copyright (C) 2003, 2004 IBM Corporation
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 * Alan Cox <alan@lxorguk.ukuu.org.uk> - Removed several careless u32/dma_addr_t errors
23 * that broke 64bit platforms.
24 */
25
26#ifndef _IPR_H
27#define _IPR_H
28
29#include <asm/unaligned.h>
30#include <linux/types.h>
31#include <linux/completion.h>
32#include <linux/libata.h>
33#include <linux/list.h>
34#include <linux/kref.h>
35#include <linux/irq_poll.h>
36#include <scsi/scsi.h>
37#include <scsi/scsi_cmnd.h>
38
39/*
40 * Literals
41 */
42#define IPR_DRIVER_VERSION "2.6.3"
43#define IPR_DRIVER_DATE "(October 17, 2015)"
44
45/*
46 * IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding
47 * ops per device for devices not running tagged command queuing.
48 * This can be adjusted at runtime through sysfs device attributes.
49 */
50#define IPR_MAX_CMD_PER_LUN 6
51#define IPR_MAX_CMD_PER_ATA_LUN 1
52
53/*
54 * IPR_NUM_BASE_CMD_BLKS: This defines the maximum number of
55 * ops the mid-layer can send to the adapter.
56 */
57#define IPR_NUM_BASE_CMD_BLKS (ioa_cfg->max_cmds)
58
59#define PCI_DEVICE_ID_IBM_OBSIDIAN_E 0x0339
60
61#define PCI_DEVICE_ID_IBM_CROC_FPGA_E2 0x033D
62#define PCI_DEVICE_ID_IBM_CROCODILE 0x034A
63#define PCI_DEVICE_ID_IBM_RATTLESNAKE 0x04DA
64
65#define IPR_SUBS_DEV_ID_2780 0x0264
66#define IPR_SUBS_DEV_ID_5702 0x0266
67#define IPR_SUBS_DEV_ID_5703 0x0278
68#define IPR_SUBS_DEV_ID_572E 0x028D
69#define IPR_SUBS_DEV_ID_573E 0x02D3
70#define IPR_SUBS_DEV_ID_573D 0x02D4
71#define IPR_SUBS_DEV_ID_571A 0x02C0
72#define IPR_SUBS_DEV_ID_571B 0x02BE
73#define IPR_SUBS_DEV_ID_571E 0x02BF
74#define IPR_SUBS_DEV_ID_571F 0x02D5
75#define IPR_SUBS_DEV_ID_572A 0x02C1
76#define IPR_SUBS_DEV_ID_572B 0x02C2
77#define IPR_SUBS_DEV_ID_572F 0x02C3
78#define IPR_SUBS_DEV_ID_574E 0x030A
79#define IPR_SUBS_DEV_ID_575B 0x030D
80#define IPR_SUBS_DEV_ID_575C 0x0338
81#define IPR_SUBS_DEV_ID_57B3 0x033A
82#define IPR_SUBS_DEV_ID_57B7 0x0360
83#define IPR_SUBS_DEV_ID_57B8 0x02C2
84
85#define IPR_SUBS_DEV_ID_57B4 0x033B
86#define IPR_SUBS_DEV_ID_57B2 0x035F
87#define IPR_SUBS_DEV_ID_57C0 0x0352
88#define IPR_SUBS_DEV_ID_57C3 0x0353
89#define IPR_SUBS_DEV_ID_57C4 0x0354
90#define IPR_SUBS_DEV_ID_57C6 0x0357
91#define IPR_SUBS_DEV_ID_57CC 0x035C
92
93#define IPR_SUBS_DEV_ID_57B5 0x033C
94#define IPR_SUBS_DEV_ID_57CE 0x035E
95#define IPR_SUBS_DEV_ID_57B1 0x0355
96
97#define IPR_SUBS_DEV_ID_574D 0x0356
98#define IPR_SUBS_DEV_ID_57C8 0x035D
99
100#define IPR_SUBS_DEV_ID_57D5 0x03FB
101#define IPR_SUBS_DEV_ID_57D6 0x03FC
102#define IPR_SUBS_DEV_ID_57D7 0x03FF
103#define IPR_SUBS_DEV_ID_57D8 0x03FE
104#define IPR_SUBS_DEV_ID_57D9 0x046D
105#define IPR_SUBS_DEV_ID_57DA 0x04CA
106#define IPR_SUBS_DEV_ID_57EB 0x0474
107#define IPR_SUBS_DEV_ID_57EC 0x0475
108#define IPR_SUBS_DEV_ID_57ED 0x0499
109#define IPR_SUBS_DEV_ID_57EE 0x049A
110#define IPR_SUBS_DEV_ID_57EF 0x049B
111#define IPR_SUBS_DEV_ID_57F0 0x049C
112#define IPR_SUBS_DEV_ID_2CCA 0x04C7
113#define IPR_SUBS_DEV_ID_2CD2 0x04C8
114#define IPR_SUBS_DEV_ID_2CCD 0x04C9
115#define IPR_SUBS_DEV_ID_580A 0x04FC
116#define IPR_SUBS_DEV_ID_580B 0x04FB
117#define IPR_NAME "ipr"
118
119/*
120 * Return codes
121 */
122#define IPR_RC_JOB_CONTINUE 1
123#define IPR_RC_JOB_RETURN 2
124
125/*
126 * IOASCs
127 */
128#define IPR_IOASC_NR_INIT_CMD_REQUIRED 0x02040200
129#define IPR_IOASC_NR_IOA_RESET_REQUIRED 0x02048000
130#define IPR_IOASC_SYNC_REQUIRED 0x023f0000
131#define IPR_IOASC_MED_DO_NOT_REALLOC 0x03110C00
132#define IPR_IOASC_HW_SEL_TIMEOUT 0x04050000
133#define IPR_IOASC_HW_DEV_BUS_STATUS 0x04448500
134#define IPR_IOASC_IOASC_MASK 0xFFFFFF00
135#define IPR_IOASC_SCSI_STATUS_MASK 0x000000FF
136#define IPR_IOASC_HW_CMD_FAILED 0x046E0000
137#define IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT 0x05240000
138#define IPR_IOASC_IR_RESOURCE_HANDLE 0x05250000
139#define IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA 0x05258100
140#define IPR_IOASA_IR_DUAL_IOA_DISABLED 0x052C8000
141#define IPR_IOASC_BUS_WAS_RESET 0x06290000
142#define IPR_IOASC_BUS_WAS_RESET_BY_OTHER 0x06298000
143#define IPR_IOASC_ABORTED_CMD_TERM_BY_HOST 0x0B5A0000
144#define IPR_IOASC_IR_NON_OPTIMIZED 0x05258200
145
146#define IPR_FIRST_DRIVER_IOASC 0x10000000
147#define IPR_IOASC_IOA_WAS_RESET 0x10000001
148#define IPR_IOASC_PCI_ACCESS_ERROR 0x10000002
149
150/* Driver data flags */
151#define IPR_USE_LONG_TRANSOP_TIMEOUT 0x00000001
152#define IPR_USE_PCI_WARM_RESET 0x00000002
153
154#define IPR_DEFAULT_MAX_ERROR_DUMP 984
155#define IPR_NUM_LOG_HCAMS 2
156#define IPR_NUM_CFG_CHG_HCAMS 2
157#define IPR_NUM_HCAM_QUEUE 12
158#define IPR_NUM_HCAMS (IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS)
159#define IPR_MAX_HCAMS (IPR_NUM_HCAMS + IPR_NUM_HCAM_QUEUE)
160
161#define IPR_MAX_SIS64_TARGETS_PER_BUS 1024
162#define IPR_MAX_SIS64_LUNS_PER_TARGET 0xffffffff
163
164#define IPR_MAX_NUM_TARGETS_PER_BUS 256
165#define IPR_MAX_NUM_LUNS_PER_TARGET 256
166#define IPR_VSET_BUS 0xff
167#define IPR_IOA_BUS 0xff
168#define IPR_IOA_TARGET 0xff
169#define IPR_IOA_LUN 0xff
170#define IPR_MAX_NUM_BUSES 16
171
172#define IPR_NUM_RESET_RELOAD_RETRIES 3
173
174/* We need resources for HCAMS, IOA reset, IOA bringdown, and ERP */
175#define IPR_NUM_INTERNAL_CMD_BLKS (IPR_NUM_HCAMS + \
176 ((IPR_NUM_RESET_RELOAD_RETRIES + 1) * 2) + 4)
177
178#define IPR_MAX_COMMANDS 100
179#define IPR_NUM_CMD_BLKS (IPR_NUM_BASE_CMD_BLKS + \
180 IPR_NUM_INTERNAL_CMD_BLKS)
181
182#define IPR_MAX_PHYSICAL_DEVS 192
183#define IPR_DEFAULT_SIS64_DEVS 1024
184#define IPR_MAX_SIS64_DEVS 4096
185
186#define IPR_MAX_SGLIST 64
187#define IPR_IOA_MAX_SECTORS 32767
188#define IPR_VSET_MAX_SECTORS 512
189#define IPR_MAX_CDB_LEN 16
190#define IPR_MAX_HRRQ_RETRIES 3
191
192#define IPR_DEFAULT_BUS_WIDTH 16
193#define IPR_80MBs_SCSI_RATE ((80 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
194#define IPR_U160_SCSI_RATE ((160 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
195#define IPR_U320_SCSI_RATE ((320 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
196#define IPR_MAX_SCSI_RATE(width) ((320 * 10) / ((width) / 8))
197
198#define IPR_IOA_RES_HANDLE 0xffffffff
199#define IPR_INVALID_RES_HANDLE 0
200#define IPR_IOA_RES_ADDR 0x00ffffff
201
202/*
203 * Adapter Commands
204 */
205#define IPR_CANCEL_REQUEST 0xC0
206#define IPR_CANCEL_64BIT_IOARCB 0x01
207#define IPR_QUERY_RSRC_STATE 0xC2
208#define IPR_RESET_DEVICE 0xC3
209#define IPR_RESET_TYPE_SELECT 0x80
210#define IPR_LUN_RESET 0x40
211#define IPR_TARGET_RESET 0x20
212#define IPR_BUS_RESET 0x10
213#define IPR_ATA_PHY_RESET 0x80
214#define IPR_ID_HOST_RR_Q 0xC4
215#define IPR_QUERY_IOA_CONFIG 0xC5
216#define IPR_CANCEL_ALL_REQUESTS 0xCE
217#define IPR_HOST_CONTROLLED_ASYNC 0xCF
218#define IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE 0x01
219#define IPR_HCAM_CDB_OP_CODE_LOG_DATA 0x02
220#define IPR_SET_SUPPORTED_DEVICES 0xFB
221#define IPR_SET_ALL_SUPPORTED_DEVICES 0x80
222#define IPR_IOA_SHUTDOWN 0xF7
223#define IPR_WR_BUF_DOWNLOAD_AND_SAVE 0x05
224#define IPR_IOA_SERVICE_ACTION 0xD2
225
226/* IOA Service Actions */
227#define IPR_IOA_SA_CHANGE_CACHE_PARAMS 0x14
228
229/*
230 * Timeouts
231 */
232#define IPR_SHUTDOWN_TIMEOUT (ipr_fastfail ? 60 * HZ : 10 * 60 * HZ)
233#define IPR_VSET_RW_TIMEOUT (ipr_fastfail ? 30 * HZ : 2 * 60 * HZ)
234#define IPR_ABBREV_SHUTDOWN_TIMEOUT (10 * HZ)
235#define IPR_DUAL_IOA_ABBR_SHUTDOWN_TO (2 * 60 * HZ)
236#define IPR_DEVICE_RESET_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
237#define IPR_CANCEL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
238#define IPR_CANCEL_ALL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
239#define IPR_ABORT_TASK_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
240#define IPR_INTERNAL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
241#define IPR_WRITE_BUFFER_TIMEOUT (30 * 60 * HZ)
242#define IPR_SET_SUP_DEVICE_TIMEOUT (2 * 60 * HZ)
243#define IPR_REQUEST_SENSE_TIMEOUT (10 * HZ)
244#define IPR_OPERATIONAL_TIMEOUT (5 * 60)
245#define IPR_LONG_OPERATIONAL_TIMEOUT (12 * 60)
246#define IPR_WAIT_FOR_RESET_TIMEOUT (2 * HZ)
247#define IPR_CHECK_FOR_RESET_TIMEOUT (HZ / 10)
248#define IPR_WAIT_FOR_BIST_TIMEOUT (2 * HZ)
249#define IPR_PCI_ERROR_RECOVERY_TIMEOUT (120 * HZ)
250#define IPR_PCI_RESET_TIMEOUT (HZ / 2)
251#define IPR_SIS32_DUMP_TIMEOUT (15 * HZ)
252#define IPR_SIS64_DUMP_TIMEOUT (40 * HZ)
253#define IPR_DUMP_DELAY_SECONDS 4
254#define IPR_DUMP_DELAY_TIMEOUT (IPR_DUMP_DELAY_SECONDS * HZ)
255
256/*
257 * SCSI Literals
258 */
259#define IPR_VENDOR_ID_LEN 8
260#define IPR_PROD_ID_LEN 16
261#define IPR_SERIAL_NUM_LEN 8
262
263/*
264 * Hardware literals
265 */
266#define IPR_FMT2_MBX_ADDR_MASK 0x0fffffff
267#define IPR_FMT2_MBX_BAR_SEL_MASK 0xf0000000
268#define IPR_FMT2_MKR_BAR_SEL_SHIFT 28
269#define IPR_GET_FMT2_BAR_SEL(mbx) \
270(((mbx) & IPR_FMT2_MBX_BAR_SEL_MASK) >> IPR_FMT2_MKR_BAR_SEL_SHIFT)
271#define IPR_SDT_FMT2_BAR0_SEL 0x0
272#define IPR_SDT_FMT2_BAR1_SEL 0x1
273#define IPR_SDT_FMT2_BAR2_SEL 0x2
274#define IPR_SDT_FMT2_BAR3_SEL 0x3
275#define IPR_SDT_FMT2_BAR4_SEL 0x4
276#define IPR_SDT_FMT2_BAR5_SEL 0x5
277#define IPR_SDT_FMT2_EXP_ROM_SEL 0x8
278#define IPR_FMT2_SDT_READY_TO_USE 0xC4D4E3F2
279#define IPR_FMT3_SDT_READY_TO_USE 0xC4D4E3F3
280#define IPR_DOORBELL 0x82800000
281#define IPR_RUNTIME_RESET 0x40000000
282
283#define IPR_IPL_INIT_MIN_STAGE_TIME 5
284#define IPR_IPL_INIT_DEFAULT_STAGE_TIME 30
285#define IPR_IPL_INIT_STAGE_UNKNOWN 0x0
286#define IPR_IPL_INIT_STAGE_TRANSOP 0xB0000000
287#define IPR_IPL_INIT_STAGE_MASK 0xff000000
288#define IPR_IPL_INIT_STAGE_TIME_MASK 0x0000ffff
289#define IPR_PCII_IPL_STAGE_CHANGE (0x80000000 >> 0)
290
291#define IPR_PCII_MAILBOX_STABLE (0x80000000 >> 4)
292#define IPR_WAIT_FOR_MAILBOX (2 * HZ)
293
294#define IPR_PCII_IOA_TRANS_TO_OPER (0x80000000 >> 0)
295#define IPR_PCII_IOARCB_XFER_FAILED (0x80000000 >> 3)
296#define IPR_PCII_IOA_UNIT_CHECKED (0x80000000 >> 4)
297#define IPR_PCII_NO_HOST_RRQ (0x80000000 >> 5)
298#define IPR_PCII_CRITICAL_OPERATION (0x80000000 >> 6)
299#define IPR_PCII_IO_DEBUG_ACKNOWLEDGE (0x80000000 >> 7)
300#define IPR_PCII_IOARRIN_LOST (0x80000000 >> 27)
301#define IPR_PCII_MMIO_ERROR (0x80000000 >> 28)
302#define IPR_PCII_PROC_ERR_STATE (0x80000000 >> 29)
303#define IPR_PCII_HRRQ_UPDATED (0x80000000 >> 30)
304#define IPR_PCII_CORE_ISSUED_RST_REQ (0x80000000 >> 31)
305
306#define IPR_PCII_ERROR_INTERRUPTS \
307(IPR_PCII_IOARCB_XFER_FAILED | IPR_PCII_IOA_UNIT_CHECKED | \
308IPR_PCII_NO_HOST_RRQ | IPR_PCII_IOARRIN_LOST | IPR_PCII_MMIO_ERROR)
309
310#define IPR_PCII_OPER_INTERRUPTS \
311(IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED | IPR_PCII_IOA_TRANS_TO_OPER)
312
313#define IPR_UPROCI_RESET_ALERT (0x80000000 >> 7)
314#define IPR_UPROCI_IO_DEBUG_ALERT (0x80000000 >> 9)
315#define IPR_UPROCI_SIS64_START_BIST (0x80000000 >> 23)
316
317#define IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC 200000 /* 200 ms */
318#define IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC 200000 /* 200 ms */
319
320/*
321 * Dump literals
322 */
323#define IPR_FMT2_MAX_IOA_DUMP_SIZE (4 * 1024 * 1024)
324#define IPR_FMT3_MAX_IOA_DUMP_SIZE (80 * 1024 * 1024)
325#define IPR_FMT2_NUM_SDT_ENTRIES 511
326#define IPR_FMT3_NUM_SDT_ENTRIES 0xFFF
327#define IPR_FMT2_MAX_NUM_DUMP_PAGES ((IPR_FMT2_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
328#define IPR_FMT3_MAX_NUM_DUMP_PAGES ((IPR_FMT3_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
329
330/*
331 * Misc literals
332 */
333#define IPR_NUM_IOADL_ENTRIES IPR_MAX_SGLIST
334#define IPR_MAX_MSIX_VECTORS 0x10
335#define IPR_MAX_HRRQ_NUM 0x10
336#define IPR_INIT_HRRQ 0x0
337
338/*
339 * Adapter interface types
340 */
341
342struct ipr_res_addr {
343 u8 reserved;
344 u8 bus;
345 u8 target;
346 u8 lun;
347#define IPR_GET_PHYS_LOC(res_addr) \
348 (((res_addr).bus << 16) | ((res_addr).target << 8) | (res_addr).lun)
349}__attribute__((packed, aligned (4)));
350
351struct ipr_std_inq_vpids {
352 u8 vendor_id[IPR_VENDOR_ID_LEN];
353 u8 product_id[IPR_PROD_ID_LEN];
354}__attribute__((packed));
355
356struct ipr_vpd {
357 struct ipr_std_inq_vpids vpids;
358 u8 sn[IPR_SERIAL_NUM_LEN];
359}__attribute__((packed));
360
361struct ipr_ext_vpd {
362 struct ipr_vpd vpd;
363 __be32 wwid[2];
364}__attribute__((packed));
365
366struct ipr_ext_vpd64 {
367 struct ipr_vpd vpd;
368 __be32 wwid[4];
369}__attribute__((packed));
370
371struct ipr_std_inq_data {
372 u8 peri_qual_dev_type;
373#define IPR_STD_INQ_PERI_QUAL(peri) ((peri) >> 5)
374#define IPR_STD_INQ_PERI_DEV_TYPE(peri) ((peri) & 0x1F)
375
376 u8 removeable_medium_rsvd;
377#define IPR_STD_INQ_REMOVEABLE_MEDIUM 0x80
378
379#define IPR_IS_DASD_DEVICE(std_inq) \
380((IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_DISK) && \
381!(((std_inq).removeable_medium_rsvd) & IPR_STD_INQ_REMOVEABLE_MEDIUM))
382
383#define IPR_IS_SES_DEVICE(std_inq) \
384(IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_ENCLOSURE)
385
386 u8 version;
387 u8 aen_naca_fmt;
388 u8 additional_len;
389 u8 sccs_rsvd;
390 u8 bq_enc_multi;
391 u8 sync_cmdq_flags;
392
393 struct ipr_std_inq_vpids vpids;
394
395 u8 ros_rsvd_ram_rsvd[4];
396
397 u8 serial_num[IPR_SERIAL_NUM_LEN];
398}__attribute__ ((packed));
399
400#define IPR_RES_TYPE_AF_DASD 0x00
401#define IPR_RES_TYPE_GENERIC_SCSI 0x01
402#define IPR_RES_TYPE_VOLUME_SET 0x02
403#define IPR_RES_TYPE_REMOTE_AF_DASD 0x03
404#define IPR_RES_TYPE_GENERIC_ATA 0x04
405#define IPR_RES_TYPE_ARRAY 0x05
406#define IPR_RES_TYPE_IOAFP 0xff
407
408struct ipr_config_table_entry {
409 u8 proto;
410#define IPR_PROTO_SATA 0x02
411#define IPR_PROTO_SATA_ATAPI 0x03
412#define IPR_PROTO_SAS_STP 0x06
413#define IPR_PROTO_SAS_STP_ATAPI 0x07
414 u8 array_id;
415 u8 flags;
416#define IPR_IS_IOA_RESOURCE 0x80
417 u8 rsvd_subtype;
418
419#define IPR_QUEUEING_MODEL(res) ((((res)->flags) & 0x70) >> 4)
420#define IPR_QUEUE_FROZEN_MODEL 0
421#define IPR_QUEUE_NACA_MODEL 1
422
423 struct ipr_res_addr res_addr;
424 __be32 res_handle;
425 __be32 lun_wwn[2];
426 struct ipr_std_inq_data std_inq_data;
427}__attribute__ ((packed, aligned (4)));
428
429struct ipr_config_table_entry64 {
430 u8 res_type;
431 u8 proto;
432 u8 vset_num;
433 u8 array_id;
434 __be16 flags;
435 __be16 res_flags;
436#define IPR_QUEUEING_MODEL64(res) ((((res)->res_flags) & 0x7000) >> 12)
437 __be32 res_handle;
438 u8 dev_id_type;
439 u8 reserved[3];
440 __be64 dev_id;
441 __be64 lun;
442 __be64 lun_wwn[2];
443#define IPR_MAX_RES_PATH_LENGTH 48
444 __be64 res_path;
445 struct ipr_std_inq_data std_inq_data;
446 u8 reserved2[4];
447 __be64 reserved3[2];
448 u8 reserved4[8];
449}__attribute__ ((packed, aligned (8)));
450
451struct ipr_config_table_hdr {
452 u8 num_entries;
453 u8 flags;
454#define IPR_UCODE_DOWNLOAD_REQ 0x10
455 __be16 reserved;
456}__attribute__((packed, aligned (4)));
457
458struct ipr_config_table_hdr64 {
459 __be16 num_entries;
460 __be16 reserved;
461 u8 flags;
462 u8 reserved2[11];
463}__attribute__((packed, aligned (4)));
464
465struct ipr_config_table {
466 struct ipr_config_table_hdr hdr;
467 struct ipr_config_table_entry dev[0];
468}__attribute__((packed, aligned (4)));
469
470struct ipr_config_table64 {
471 struct ipr_config_table_hdr64 hdr64;
472 struct ipr_config_table_entry64 dev[0];
473}__attribute__((packed, aligned (8)));
474
475struct ipr_config_table_entry_wrapper {
476 union {
477 struct ipr_config_table_entry *cfgte;
478 struct ipr_config_table_entry64 *cfgte64;
479 } u;
480};
481
482struct ipr_hostrcb_cfg_ch_not {
483 union {
484 struct ipr_config_table_entry cfgte;
485 struct ipr_config_table_entry64 cfgte64;
486 } u;
487 u8 reserved[936];
488}__attribute__((packed, aligned (4)));
489
490struct ipr_supported_device {
491 __be16 data_length;
492 u8 reserved;
493 u8 num_records;
494 struct ipr_std_inq_vpids vpids;
495 u8 reserved2[16];
496}__attribute__((packed, aligned (4)));
497
498struct ipr_hrr_queue {
499 struct ipr_ioa_cfg *ioa_cfg;
500 __be32 *host_rrq;
501 dma_addr_t host_rrq_dma;
502#define IPR_HRRQ_REQ_RESP_HANDLE_MASK 0xfffffffc
503#define IPR_HRRQ_RESP_BIT_SET 0x00000002
504#define IPR_HRRQ_TOGGLE_BIT 0x00000001
505#define IPR_HRRQ_REQ_RESP_HANDLE_SHIFT 2
506#define IPR_ID_HRRQ_SELE_ENABLE 0x02
507 volatile __be32 *hrrq_start;
508 volatile __be32 *hrrq_end;
509 volatile __be32 *hrrq_curr;
510
511 struct list_head hrrq_free_q;
512 struct list_head hrrq_pending_q;
513 spinlock_t _lock;
514 spinlock_t *lock;
515
516 volatile u32 toggle_bit;
517 u32 size;
518 u32 min_cmd_id;
519 u32 max_cmd_id;
520 u8 allow_interrupts:1;
521 u8 ioa_is_dead:1;
522 u8 allow_cmds:1;
523 u8 removing_ioa:1;
524
525 struct irq_poll iopoll;
526};
527
528/* Command packet structure */
529struct ipr_cmd_pkt {
530 u8 reserved; /* Reserved by IOA */
531 u8 hrrq_id;
532 u8 request_type;
533#define IPR_RQTYPE_SCSICDB 0x00
534#define IPR_RQTYPE_IOACMD 0x01
535#define IPR_RQTYPE_HCAM 0x02
536#define IPR_RQTYPE_ATA_PASSTHRU 0x04
537#define IPR_RQTYPE_PIPE 0x05
538
539 u8 reserved2;
540
541 u8 flags_hi;
542#define IPR_FLAGS_HI_WRITE_NOT_READ 0x80
543#define IPR_FLAGS_HI_NO_ULEN_CHK 0x20
544#define IPR_FLAGS_HI_SYNC_OVERRIDE 0x10
545#define IPR_FLAGS_HI_SYNC_COMPLETE 0x08
546#define IPR_FLAGS_HI_NO_LINK_DESC 0x04
547
548 u8 flags_lo;
549#define IPR_FLAGS_LO_ALIGNED_BFR 0x20
550#define IPR_FLAGS_LO_DELAY_AFTER_RST 0x10
551#define IPR_FLAGS_LO_UNTAGGED_TASK 0x00
552#define IPR_FLAGS_LO_SIMPLE_TASK 0x02
553#define IPR_FLAGS_LO_ORDERED_TASK 0x04
554#define IPR_FLAGS_LO_HEAD_OF_Q_TASK 0x06
555#define IPR_FLAGS_LO_ACA_TASK 0x08
556
557 u8 cdb[16];
558 __be16 timeout;
559}__attribute__ ((packed, aligned(4)));
560
561struct ipr_ioarcb_ata_regs { /* 22 bytes */
562 u8 flags;
563#define IPR_ATA_FLAG_PACKET_CMD 0x80
564#define IPR_ATA_FLAG_XFER_TYPE_DMA 0x40
565#define IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION 0x20
566 u8 reserved[3];
567
568 __be16 data;
569 u8 feature;
570 u8 nsect;
571 u8 lbal;
572 u8 lbam;
573 u8 lbah;
574 u8 device;
575 u8 command;
576 u8 reserved2[3];
577 u8 hob_feature;
578 u8 hob_nsect;
579 u8 hob_lbal;
580 u8 hob_lbam;
581 u8 hob_lbah;
582 u8 ctl;
583}__attribute__ ((packed, aligned(2)));
584
585struct ipr_ioadl_desc {
586 __be32 flags_and_data_len;
587#define IPR_IOADL_FLAGS_MASK 0xff000000
588#define IPR_IOADL_GET_FLAGS(x) (be32_to_cpu(x) & IPR_IOADL_FLAGS_MASK)
589#define IPR_IOADL_DATA_LEN_MASK 0x00ffffff
590#define IPR_IOADL_GET_DATA_LEN(x) (be32_to_cpu(x) & IPR_IOADL_DATA_LEN_MASK)
591#define IPR_IOADL_FLAGS_READ 0x48000000
592#define IPR_IOADL_FLAGS_READ_LAST 0x49000000
593#define IPR_IOADL_FLAGS_WRITE 0x68000000
594#define IPR_IOADL_FLAGS_WRITE_LAST 0x69000000
595#define IPR_IOADL_FLAGS_LAST 0x01000000
596
597 __be32 address;
598}__attribute__((packed, aligned (8)));
599
600struct ipr_ioadl64_desc {
601 __be32 flags;
602 __be32 data_len;
603 __be64 address;
604}__attribute__((packed, aligned (16)));
605
606struct ipr_ata64_ioadl {
607 struct ipr_ioarcb_ata_regs regs;
608 u16 reserved[5];
609 struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
610}__attribute__((packed, aligned (16)));
611
612struct ipr_ioarcb_add_data {
613 union {
614 struct ipr_ioarcb_ata_regs regs;
615 struct ipr_ioadl_desc ioadl[5];
616 __be32 add_cmd_parms[10];
617 } u;
618}__attribute__ ((packed, aligned (4)));
619
620struct ipr_ioarcb_sis64_add_addr_ecb {
621 __be64 ioasa_host_pci_addr;
622 __be64 data_ioadl_addr;
623 __be64 reserved;
624 __be32 ext_control_buf[4];
625}__attribute__((packed, aligned (8)));
626
627/* IOA Request Control Block 128 bytes */
628struct ipr_ioarcb {
629 union {
630 __be32 ioarcb_host_pci_addr;
631 __be64 ioarcb_host_pci_addr64;
632 } a;
633 __be32 res_handle;
634 __be32 host_response_handle;
635 __be32 reserved1;
636 __be32 reserved2;
637 __be32 reserved3;
638
639 __be32 data_transfer_length;
640 __be32 read_data_transfer_length;
641 __be32 write_ioadl_addr;
642 __be32 ioadl_len;
643 __be32 read_ioadl_addr;
644 __be32 read_ioadl_len;
645
646 __be32 ioasa_host_pci_addr;
647 __be16 ioasa_len;
648 __be16 reserved4;
649
650 struct ipr_cmd_pkt cmd_pkt;
651
652 __be16 add_cmd_parms_offset;
653 __be16 add_cmd_parms_len;
654
655 union {
656 struct ipr_ioarcb_add_data add_data;
657 struct ipr_ioarcb_sis64_add_addr_ecb sis64_addr_data;
658 } u;
659
660}__attribute__((packed, aligned (4)));
661
662struct ipr_ioasa_vset {
663 __be32 failing_lba_hi;
664 __be32 failing_lba_lo;
665 __be32 reserved;
666}__attribute__((packed, aligned (4)));
667
668struct ipr_ioasa_af_dasd {
669 __be32 failing_lba;
670 __be32 reserved[2];
671}__attribute__((packed, aligned (4)));
672
673struct ipr_ioasa_gpdd {
674 u8 end_state;
675 u8 bus_phase;
676 __be16 reserved;
677 __be32 ioa_data[2];
678}__attribute__((packed, aligned (4)));
679
680struct ipr_ioasa_gata {
681 u8 error;
682 u8 nsect; /* Interrupt reason */
683 u8 lbal;
684 u8 lbam;
685 u8 lbah;
686 u8 device;
687 u8 status;
688 u8 alt_status; /* ATA CTL */
689 u8 hob_nsect;
690 u8 hob_lbal;
691 u8 hob_lbam;
692 u8 hob_lbah;
693}__attribute__((packed, aligned (4)));
694
695struct ipr_auto_sense {
696 __be16 auto_sense_len;
697 __be16 ioa_data_len;
698 __be32 data[SCSI_SENSE_BUFFERSIZE/sizeof(__be32)];
699};
700
701struct ipr_ioasa_hdr {
702 __be32 ioasc;
703#define IPR_IOASC_SENSE_KEY(ioasc) ((ioasc) >> 24)
704#define IPR_IOASC_SENSE_CODE(ioasc) (((ioasc) & 0x00ff0000) >> 16)
705#define IPR_IOASC_SENSE_QUAL(ioasc) (((ioasc) & 0x0000ff00) >> 8)
706#define IPR_IOASC_SENSE_STATUS(ioasc) ((ioasc) & 0x000000ff)
707
708 __be16 ret_stat_len; /* Length of the returned IOASA */
709
710 __be16 avail_stat_len; /* Total Length of status available. */
711
712 __be32 residual_data_len; /* number of bytes in the host data */
713 /* buffers that were not used by the IOARCB command. */
714
715 __be32 ilid;
716#define IPR_NO_ILID 0
717#define IPR_DRIVER_ILID 0xffffffff
718
719 __be32 fd_ioasc;
720
721 __be32 fd_phys_locator;
722
723 __be32 fd_res_handle;
724
725 __be32 ioasc_specific; /* status code specific field */
726#define IPR_ADDITIONAL_STATUS_FMT 0x80000000
727#define IPR_AUTOSENSE_VALID 0x40000000
728#define IPR_ATA_DEVICE_WAS_RESET 0x20000000
729#define IPR_IOASC_SPECIFIC_MASK 0x00ffffff
730#define IPR_FIELD_POINTER_VALID (0x80000000 >> 8)
731#define IPR_FIELD_POINTER_MASK 0x0000ffff
732
733}__attribute__((packed, aligned (4)));
734
735struct ipr_ioasa {
736 struct ipr_ioasa_hdr hdr;
737
738 union {
739 struct ipr_ioasa_vset vset;
740 struct ipr_ioasa_af_dasd dasd;
741 struct ipr_ioasa_gpdd gpdd;
742 struct ipr_ioasa_gata gata;
743 } u;
744
745 struct ipr_auto_sense auto_sense;
746}__attribute__((packed, aligned (4)));
747
748struct ipr_ioasa64 {
749 struct ipr_ioasa_hdr hdr;
750 u8 fd_res_path[8];
751
752 union {
753 struct ipr_ioasa_vset vset;
754 struct ipr_ioasa_af_dasd dasd;
755 struct ipr_ioasa_gpdd gpdd;
756 struct ipr_ioasa_gata gata;
757 } u;
758
759 struct ipr_auto_sense auto_sense;
760}__attribute__((packed, aligned (4)));
761
762struct ipr_mode_parm_hdr {
763 u8 length;
764 u8 medium_type;
765 u8 device_spec_parms;
766 u8 block_desc_len;
767}__attribute__((packed));
768
769struct ipr_mode_pages {
770 struct ipr_mode_parm_hdr hdr;
771 u8 data[255 - sizeof(struct ipr_mode_parm_hdr)];
772}__attribute__((packed));
773
774struct ipr_mode_page_hdr {
775 u8 ps_page_code;
776#define IPR_MODE_PAGE_PS 0x80
777#define IPR_GET_MODE_PAGE_CODE(hdr) ((hdr)->ps_page_code & 0x3F)
778 u8 page_length;
779}__attribute__ ((packed));
780
781struct ipr_dev_bus_entry {
782 struct ipr_res_addr res_addr;
783 u8 flags;
784#define IPR_SCSI_ATTR_ENABLE_QAS 0x80
785#define IPR_SCSI_ATTR_DISABLE_QAS 0x40
786#define IPR_SCSI_ATTR_QAS_MASK 0xC0
787#define IPR_SCSI_ATTR_ENABLE_TM 0x20
788#define IPR_SCSI_ATTR_NO_TERM_PWR 0x10
789#define IPR_SCSI_ATTR_TM_SUPPORTED 0x08
790#define IPR_SCSI_ATTR_LVD_TO_SE_NOT_ALLOWED 0x04
791
792 u8 scsi_id;
793 u8 bus_width;
794 u8 extended_reset_delay;
795#define IPR_EXTENDED_RESET_DELAY 7
796
797 __be32 max_xfer_rate;
798
799 u8 spinup_delay;
800 u8 reserved3;
801 __be16 reserved4;
802}__attribute__((packed, aligned (4)));
803
804struct ipr_mode_page28 {
805 struct ipr_mode_page_hdr hdr;
806 u8 num_entries;
807 u8 entry_length;
808 struct ipr_dev_bus_entry bus[0];
809}__attribute__((packed));
810
811struct ipr_mode_page24 {
812 struct ipr_mode_page_hdr hdr;
813 u8 flags;
814#define IPR_ENABLE_DUAL_IOA_AF 0x80
815}__attribute__((packed));
816
817struct ipr_ioa_vpd {
818 struct ipr_std_inq_data std_inq_data;
819 u8 ascii_part_num[12];
820 u8 reserved[40];
821 u8 ascii_plant_code[4];
822}__attribute__((packed));
823
824struct ipr_inquiry_page3 {
825 u8 peri_qual_dev_type;
826 u8 page_code;
827 u8 reserved1;
828 u8 page_length;
829 u8 ascii_len;
830 u8 reserved2[3];
831 u8 load_id[4];
832 u8 major_release;
833 u8 card_type;
834 u8 minor_release[2];
835 u8 ptf_number[4];
836 u8 patch_number[4];
837}__attribute__((packed));
838
839struct ipr_inquiry_cap {
840 u8 peri_qual_dev_type;
841 u8 page_code;
842 u8 reserved1;
843 u8 page_length;
844 u8 ascii_len;
845 u8 reserved2;
846 u8 sis_version[2];
847 u8 cap;
848#define IPR_CAP_DUAL_IOA_RAID 0x80
849 u8 reserved3[15];
850}__attribute__((packed));
851
852#define IPR_INQUIRY_PAGE0_ENTRIES 20
853struct ipr_inquiry_page0 {
854 u8 peri_qual_dev_type;
855 u8 page_code;
856 u8 reserved1;
857 u8 len;
858 u8 page[IPR_INQUIRY_PAGE0_ENTRIES];
859}__attribute__((packed));
860
861struct ipr_inquiry_pageC4 {
862 u8 peri_qual_dev_type;
863 u8 page_code;
864 u8 reserved1;
865 u8 len;
866 u8 cache_cap[4];
867#define IPR_CAP_SYNC_CACHE 0x08
868 u8 reserved2[20];
869} __packed;
870
871struct ipr_hostrcb_device_data_entry {
872 struct ipr_vpd vpd;
873 struct ipr_res_addr dev_res_addr;
874 struct ipr_vpd new_vpd;
875 struct ipr_vpd ioa_last_with_dev_vpd;
876 struct ipr_vpd cfc_last_with_dev_vpd;
877 __be32 ioa_data[5];
878}__attribute__((packed, aligned (4)));
879
880struct ipr_hostrcb_device_data_entry_enhanced {
881 struct ipr_ext_vpd vpd;
882 u8 ccin[4];
883 struct ipr_res_addr dev_res_addr;
884 struct ipr_ext_vpd new_vpd;
885 u8 new_ccin[4];
886 struct ipr_ext_vpd ioa_last_with_dev_vpd;
887 struct ipr_ext_vpd cfc_last_with_dev_vpd;
888}__attribute__((packed, aligned (4)));
889
890struct ipr_hostrcb64_device_data_entry_enhanced {
891 struct ipr_ext_vpd vpd;
892 u8 ccin[4];
893 u8 res_path[8];
894 struct ipr_ext_vpd new_vpd;
895 u8 new_ccin[4];
896 struct ipr_ext_vpd ioa_last_with_dev_vpd;
897 struct ipr_ext_vpd cfc_last_with_dev_vpd;
898}__attribute__((packed, aligned (4)));
899
900struct ipr_hostrcb_array_data_entry {
901 struct ipr_vpd vpd;
902 struct ipr_res_addr expected_dev_res_addr;
903 struct ipr_res_addr dev_res_addr;
904}__attribute__((packed, aligned (4)));
905
906struct ipr_hostrcb64_array_data_entry {
907 struct ipr_ext_vpd vpd;
908 u8 ccin[4];
909 u8 expected_res_path[8];
910 u8 res_path[8];
911}__attribute__((packed, aligned (4)));
912
913struct ipr_hostrcb_array_data_entry_enhanced {
914 struct ipr_ext_vpd vpd;
915 u8 ccin[4];
916 struct ipr_res_addr expected_dev_res_addr;
917 struct ipr_res_addr dev_res_addr;
918}__attribute__((packed, aligned (4)));
919
920struct ipr_hostrcb_type_ff_error {
921 __be32 ioa_data[758];
922}__attribute__((packed, aligned (4)));
923
924struct ipr_hostrcb_type_01_error {
925 __be32 seek_counter;
926 __be32 read_counter;
927 u8 sense_data[32];
928 __be32 ioa_data[236];
929}__attribute__((packed, aligned (4)));
930
931struct ipr_hostrcb_type_21_error {
932 __be32 wwn[4];
933 u8 res_path[8];
934 u8 primary_problem_desc[32];
935 u8 second_problem_desc[32];
936 __be32 sense_data[8];
937 __be32 cdb[4];
938 __be32 residual_trans_length;
939 __be32 length_of_error;
940 __be32 ioa_data[236];
941}__attribute__((packed, aligned (4)));
942
943struct ipr_hostrcb_type_02_error {
944 struct ipr_vpd ioa_vpd;
945 struct ipr_vpd cfc_vpd;
946 struct ipr_vpd ioa_last_attached_to_cfc_vpd;
947 struct ipr_vpd cfc_last_attached_to_ioa_vpd;
948 __be32 ioa_data[3];
949}__attribute__((packed, aligned (4)));
950
951struct ipr_hostrcb_type_12_error {
952 struct ipr_ext_vpd ioa_vpd;
953 struct ipr_ext_vpd cfc_vpd;
954 struct ipr_ext_vpd ioa_last_attached_to_cfc_vpd;
955 struct ipr_ext_vpd cfc_last_attached_to_ioa_vpd;
956 __be32 ioa_data[3];
957}__attribute__((packed, aligned (4)));
958
959struct ipr_hostrcb_type_03_error {
960 struct ipr_vpd ioa_vpd;
961 struct ipr_vpd cfc_vpd;
962 __be32 errors_detected;
963 __be32 errors_logged;
964 u8 ioa_data[12];
965 struct ipr_hostrcb_device_data_entry dev[3];
966}__attribute__((packed, aligned (4)));
967
968struct ipr_hostrcb_type_13_error {
969 struct ipr_ext_vpd ioa_vpd;
970 struct ipr_ext_vpd cfc_vpd;
971 __be32 errors_detected;
972 __be32 errors_logged;
973 struct ipr_hostrcb_device_data_entry_enhanced dev[3];
974}__attribute__((packed, aligned (4)));
975
976struct ipr_hostrcb_type_23_error {
977 struct ipr_ext_vpd ioa_vpd;
978 struct ipr_ext_vpd cfc_vpd;
979 __be32 errors_detected;
980 __be32 errors_logged;
981 struct ipr_hostrcb64_device_data_entry_enhanced dev[3];
982}__attribute__((packed, aligned (4)));
983
984struct ipr_hostrcb_type_04_error {
985 struct ipr_vpd ioa_vpd;
986 struct ipr_vpd cfc_vpd;
987 u8 ioa_data[12];
988 struct ipr_hostrcb_array_data_entry array_member[10];
989 __be32 exposed_mode_adn;
990 __be32 array_id;
991 struct ipr_vpd incomp_dev_vpd;
992 __be32 ioa_data2;
993 struct ipr_hostrcb_array_data_entry array_member2[8];
994 struct ipr_res_addr last_func_vset_res_addr;
995 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
996 u8 protection_level[8];
997}__attribute__((packed, aligned (4)));
998
999struct ipr_hostrcb_type_14_error {
1000 struct ipr_ext_vpd ioa_vpd;
1001 struct ipr_ext_vpd cfc_vpd;
1002 __be32 exposed_mode_adn;
1003 __be32 array_id;
1004 struct ipr_res_addr last_func_vset_res_addr;
1005 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
1006 u8 protection_level[8];
1007 __be32 num_entries;
1008 struct ipr_hostrcb_array_data_entry_enhanced array_member[18];
1009}__attribute__((packed, aligned (4)));
1010
1011struct ipr_hostrcb_type_24_error {
1012 struct ipr_ext_vpd ioa_vpd;
1013 struct ipr_ext_vpd cfc_vpd;
1014 u8 reserved[2];
1015 u8 exposed_mode_adn;
1016#define IPR_INVALID_ARRAY_DEV_NUM 0xff
1017 u8 array_id;
1018 u8 last_res_path[8];
1019 u8 protection_level[8];
1020 struct ipr_ext_vpd64 array_vpd;
1021 u8 description[16];
1022 u8 reserved2[3];
1023 u8 num_entries;
1024 struct ipr_hostrcb64_array_data_entry array_member[32];
1025}__attribute__((packed, aligned (4)));
1026
1027struct ipr_hostrcb_type_07_error {
1028 u8 failure_reason[64];
1029 struct ipr_vpd vpd;
1030 __be32 data[222];
1031}__attribute__((packed, aligned (4)));
1032
1033struct ipr_hostrcb_type_17_error {
1034 u8 failure_reason[64];
1035 struct ipr_ext_vpd vpd;
1036 __be32 data[476];
1037}__attribute__((packed, aligned (4)));
1038
1039struct ipr_hostrcb_config_element {
1040 u8 type_status;
1041#define IPR_PATH_CFG_TYPE_MASK 0xF0
1042#define IPR_PATH_CFG_NOT_EXIST 0x00
1043#define IPR_PATH_CFG_IOA_PORT 0x10
1044#define IPR_PATH_CFG_EXP_PORT 0x20
1045#define IPR_PATH_CFG_DEVICE_PORT 0x30
1046#define IPR_PATH_CFG_DEVICE_LUN 0x40
1047
1048#define IPR_PATH_CFG_STATUS_MASK 0x0F
1049#define IPR_PATH_CFG_NO_PROB 0x00
1050#define IPR_PATH_CFG_DEGRADED 0x01
1051#define IPR_PATH_CFG_FAILED 0x02
1052#define IPR_PATH_CFG_SUSPECT 0x03
1053#define IPR_PATH_NOT_DETECTED 0x04
1054#define IPR_PATH_INCORRECT_CONN 0x05
1055
1056 u8 cascaded_expander;
1057 u8 phy;
1058 u8 link_rate;
1059#define IPR_PHY_LINK_RATE_MASK 0x0F
1060
1061 __be32 wwid[2];
1062}__attribute__((packed, aligned (4)));
1063
1064struct ipr_hostrcb64_config_element {
1065 __be16 length;
1066 u8 descriptor_id;
1067#define IPR_DESCRIPTOR_MASK 0xC0
1068#define IPR_DESCRIPTOR_SIS64 0x00
1069
1070 u8 reserved;
1071 u8 type_status;
1072
1073 u8 reserved2[2];
1074 u8 link_rate;
1075
1076 u8 res_path[8];
1077 __be32 wwid[2];
1078}__attribute__((packed, aligned (8)));
1079
1080struct ipr_hostrcb_fabric_desc {
1081 __be16 length;
1082 u8 ioa_port;
1083 u8 cascaded_expander;
1084 u8 phy;
1085 u8 path_state;
1086#define IPR_PATH_ACTIVE_MASK 0xC0
1087#define IPR_PATH_NO_INFO 0x00
1088#define IPR_PATH_ACTIVE 0x40
1089#define IPR_PATH_NOT_ACTIVE 0x80
1090
1091#define IPR_PATH_STATE_MASK 0x0F
1092#define IPR_PATH_STATE_NO_INFO 0x00
1093#define IPR_PATH_HEALTHY 0x01
1094#define IPR_PATH_DEGRADED 0x02
1095#define IPR_PATH_FAILED 0x03
1096
1097 __be16 num_entries;
1098 struct ipr_hostrcb_config_element elem[1];
1099}__attribute__((packed, aligned (4)));
1100
1101struct ipr_hostrcb64_fabric_desc {
1102 __be16 length;
1103 u8 descriptor_id;
1104
1105 u8 reserved[2];
1106 u8 path_state;
1107
1108 u8 reserved2[2];
1109 u8 res_path[8];
1110 u8 reserved3[6];
1111 __be16 num_entries;
1112 struct ipr_hostrcb64_config_element elem[1];
1113}__attribute__((packed, aligned (8)));
1114
1115#define for_each_hrrq(hrrq, ioa_cfg) \
1116 for (hrrq = (ioa_cfg)->hrrq; \
1117 hrrq < ((ioa_cfg)->hrrq + (ioa_cfg)->hrrq_num); hrrq++)
1118
1119#define for_each_fabric_cfg(fabric, cfg) \
1120 for (cfg = (fabric)->elem; \
1121 cfg < ((fabric)->elem + be16_to_cpu((fabric)->num_entries)); \
1122 cfg++)
1123
1124struct ipr_hostrcb_type_20_error {
1125 u8 failure_reason[64];
1126 u8 reserved[3];
1127 u8 num_entries;
1128 struct ipr_hostrcb_fabric_desc desc[1];
1129}__attribute__((packed, aligned (4)));
1130
1131struct ipr_hostrcb_type_30_error {
1132 u8 failure_reason[64];
1133 u8 reserved[3];
1134 u8 num_entries;
1135 struct ipr_hostrcb64_fabric_desc desc[1];
1136}__attribute__((packed, aligned (4)));
1137
1138struct ipr_hostrcb_error {
1139 __be32 fd_ioasc;
1140 struct ipr_res_addr fd_res_addr;
1141 __be32 fd_res_handle;
1142 __be32 prc;
1143 union {
1144 struct ipr_hostrcb_type_ff_error type_ff_error;
1145 struct ipr_hostrcb_type_01_error type_01_error;
1146 struct ipr_hostrcb_type_02_error type_02_error;
1147 struct ipr_hostrcb_type_03_error type_03_error;
1148 struct ipr_hostrcb_type_04_error type_04_error;
1149 struct ipr_hostrcb_type_07_error type_07_error;
1150 struct ipr_hostrcb_type_12_error type_12_error;
1151 struct ipr_hostrcb_type_13_error type_13_error;
1152 struct ipr_hostrcb_type_14_error type_14_error;
1153 struct ipr_hostrcb_type_17_error type_17_error;
1154 struct ipr_hostrcb_type_20_error type_20_error;
1155 } u;
1156}__attribute__((packed, aligned (4)));
1157
1158struct ipr_hostrcb64_error {
1159 __be32 fd_ioasc;
1160 __be32 ioa_fw_level;
1161 __be32 fd_res_handle;
1162 __be32 prc;
1163 __be64 fd_dev_id;
1164 __be64 fd_lun;
1165 u8 fd_res_path[8];
1166 __be64 time_stamp;
1167 u8 reserved[16];
1168 union {
1169 struct ipr_hostrcb_type_ff_error type_ff_error;
1170 struct ipr_hostrcb_type_12_error type_12_error;
1171 struct ipr_hostrcb_type_17_error type_17_error;
1172 struct ipr_hostrcb_type_21_error type_21_error;
1173 struct ipr_hostrcb_type_23_error type_23_error;
1174 struct ipr_hostrcb_type_24_error type_24_error;
1175 struct ipr_hostrcb_type_30_error type_30_error;
1176 } u;
1177}__attribute__((packed, aligned (8)));
1178
1179struct ipr_hostrcb_raw {
1180 __be32 data[sizeof(struct ipr_hostrcb_error)/sizeof(__be32)];
1181}__attribute__((packed, aligned (4)));
1182
1183struct ipr_hcam {
1184 u8 op_code;
1185#define IPR_HOST_RCB_OP_CODE_CONFIG_CHANGE 0xE1
1186#define IPR_HOST_RCB_OP_CODE_LOG_DATA 0xE2
1187
1188 u8 notify_type;
1189#define IPR_HOST_RCB_NOTIF_TYPE_EXISTING_CHANGED 0x00
1190#define IPR_HOST_RCB_NOTIF_TYPE_NEW_ENTRY 0x01
1191#define IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY 0x02
1192#define IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY 0x10
1193#define IPR_HOST_RCB_NOTIF_TYPE_INFORMATION_ENTRY 0x11
1194
1195 u8 notifications_lost;
1196#define IPR_HOST_RCB_NO_NOTIFICATIONS_LOST 0
1197#define IPR_HOST_RCB_NOTIFICATIONS_LOST 0x80
1198
1199 u8 flags;
1200#define IPR_HOSTRCB_INTERNAL_OPER 0x80
1201#define IPR_HOSTRCB_ERR_RESP_SENT 0x40
1202
1203 u8 overlay_id;
1204#define IPR_HOST_RCB_OVERLAY_ID_1 0x01
1205#define IPR_HOST_RCB_OVERLAY_ID_2 0x02
1206#define IPR_HOST_RCB_OVERLAY_ID_3 0x03
1207#define IPR_HOST_RCB_OVERLAY_ID_4 0x04
1208#define IPR_HOST_RCB_OVERLAY_ID_6 0x06
1209#define IPR_HOST_RCB_OVERLAY_ID_7 0x07
1210#define IPR_HOST_RCB_OVERLAY_ID_12 0x12
1211#define IPR_HOST_RCB_OVERLAY_ID_13 0x13
1212#define IPR_HOST_RCB_OVERLAY_ID_14 0x14
1213#define IPR_HOST_RCB_OVERLAY_ID_16 0x16
1214#define IPR_HOST_RCB_OVERLAY_ID_17 0x17
1215#define IPR_HOST_RCB_OVERLAY_ID_20 0x20
1216#define IPR_HOST_RCB_OVERLAY_ID_21 0x21
1217#define IPR_HOST_RCB_OVERLAY_ID_23 0x23
1218#define IPR_HOST_RCB_OVERLAY_ID_24 0x24
1219#define IPR_HOST_RCB_OVERLAY_ID_26 0x26
1220#define IPR_HOST_RCB_OVERLAY_ID_30 0x30
1221#define IPR_HOST_RCB_OVERLAY_ID_DEFAULT 0xFF
1222
1223 u8 reserved1[3];
1224 __be32 ilid;
1225 __be32 time_since_last_ioa_reset;
1226 __be32 reserved2;
1227 __be32 length;
1228
1229 union {
1230 struct ipr_hostrcb_error error;
1231 struct ipr_hostrcb64_error error64;
1232 struct ipr_hostrcb_cfg_ch_not ccn;
1233 struct ipr_hostrcb_raw raw;
1234 } u;
1235}__attribute__((packed, aligned (4)));
1236
1237struct ipr_hostrcb {
1238 struct ipr_hcam hcam;
1239 dma_addr_t hostrcb_dma;
1240 struct list_head queue;
1241 struct ipr_ioa_cfg *ioa_cfg;
1242 char rp_buffer[IPR_MAX_RES_PATH_LENGTH];
1243};
1244
1245/* IPR smart dump table structures */
1246struct ipr_sdt_entry {
1247 __be32 start_token;
1248 __be32 end_token;
1249 u8 reserved[4];
1250
1251 u8 flags;
1252#define IPR_SDT_ENDIAN 0x80
1253#define IPR_SDT_VALID_ENTRY 0x20
1254
1255 u8 resv;
1256 __be16 priority;
1257}__attribute__((packed, aligned (4)));
1258
1259struct ipr_sdt_header {
1260 __be32 state;
1261 __be32 num_entries;
1262 __be32 num_entries_used;
1263 __be32 dump_size;
1264}__attribute__((packed, aligned (4)));
1265
1266struct ipr_sdt {
1267 struct ipr_sdt_header hdr;
1268 struct ipr_sdt_entry entry[IPR_FMT3_NUM_SDT_ENTRIES];
1269}__attribute__((packed, aligned (4)));
1270
1271struct ipr_uc_sdt {
1272 struct ipr_sdt_header hdr;
1273 struct ipr_sdt_entry entry[1];
1274}__attribute__((packed, aligned (4)));
1275
1276/*
1277 * Driver types
1278 */
1279struct ipr_bus_attributes {
1280 u8 bus;
1281 u8 qas_enabled;
1282 u8 bus_width;
1283 u8 reserved;
1284 u32 max_xfer_rate;
1285};
1286
1287struct ipr_sata_port {
1288 struct ipr_ioa_cfg *ioa_cfg;
1289 struct ata_port *ap;
1290 struct ipr_resource_entry *res;
1291 struct ipr_ioasa_gata ioasa;
1292};
1293
1294struct ipr_resource_entry {
1295 u8 needs_sync_complete:1;
1296 u8 in_erp:1;
1297 u8 add_to_ml:1;
1298 u8 del_from_ml:1;
1299 u8 resetting_device:1;
1300 u8 reset_occurred:1;
1301 u8 raw_mode:1;
1302
1303 u32 bus; /* AKA channel */
1304 u32 target; /* AKA id */
1305 u32 lun;
1306#define IPR_ARRAY_VIRTUAL_BUS 0x1
1307#define IPR_VSET_VIRTUAL_BUS 0x2
1308#define IPR_IOAFP_VIRTUAL_BUS 0x3
1309
1310#define IPR_GET_RES_PHYS_LOC(res) \
1311 (((res)->bus << 24) | ((res)->target << 8) | (res)->lun)
1312
1313 u8 ata_class;
1314 u8 type;
1315
1316 u16 flags;
1317 u16 res_flags;
1318
1319 u8 qmodel;
1320 struct ipr_std_inq_data std_inq_data;
1321
1322 __be32 res_handle;
1323 __be64 dev_id;
1324 u64 lun_wwn;
1325 struct scsi_lun dev_lun;
1326 u8 res_path[8];
1327
1328 struct ipr_ioa_cfg *ioa_cfg;
1329 struct scsi_device *sdev;
1330 struct ipr_sata_port *sata_port;
1331 struct list_head queue;
1332}; /* struct ipr_resource_entry */
1333
1334struct ipr_resource_hdr {
1335 u16 num_entries;
1336 u16 reserved;
1337};
1338
1339struct ipr_misc_cbs {
1340 struct ipr_ioa_vpd ioa_vpd;
1341 struct ipr_inquiry_page0 page0_data;
1342 struct ipr_inquiry_page3 page3_data;
1343 struct ipr_inquiry_cap cap;
1344 struct ipr_inquiry_pageC4 pageC4_data;
1345 struct ipr_mode_pages mode_pages;
1346 struct ipr_supported_device supp_dev;
1347};
1348
1349struct ipr_interrupt_offsets {
1350 unsigned long set_interrupt_mask_reg;
1351 unsigned long clr_interrupt_mask_reg;
1352 unsigned long clr_interrupt_mask_reg32;
1353 unsigned long sense_interrupt_mask_reg;
1354 unsigned long sense_interrupt_mask_reg32;
1355 unsigned long clr_interrupt_reg;
1356 unsigned long clr_interrupt_reg32;
1357
1358 unsigned long sense_interrupt_reg;
1359 unsigned long sense_interrupt_reg32;
1360 unsigned long ioarrin_reg;
1361 unsigned long sense_uproc_interrupt_reg;
1362 unsigned long sense_uproc_interrupt_reg32;
1363 unsigned long set_uproc_interrupt_reg;
1364 unsigned long set_uproc_interrupt_reg32;
1365 unsigned long clr_uproc_interrupt_reg;
1366 unsigned long clr_uproc_interrupt_reg32;
1367
1368 unsigned long init_feedback_reg;
1369
1370 unsigned long dump_addr_reg;
1371 unsigned long dump_data_reg;
1372
1373#define IPR_ENDIAN_SWAP_KEY 0x00080800
1374 unsigned long endian_swap_reg;
1375};
1376
1377struct ipr_interrupts {
1378 void __iomem *set_interrupt_mask_reg;
1379 void __iomem *clr_interrupt_mask_reg;
1380 void __iomem *clr_interrupt_mask_reg32;
1381 void __iomem *sense_interrupt_mask_reg;
1382 void __iomem *sense_interrupt_mask_reg32;
1383 void __iomem *clr_interrupt_reg;
1384 void __iomem *clr_interrupt_reg32;
1385
1386 void __iomem *sense_interrupt_reg;
1387 void __iomem *sense_interrupt_reg32;
1388 void __iomem *ioarrin_reg;
1389 void __iomem *sense_uproc_interrupt_reg;
1390 void __iomem *sense_uproc_interrupt_reg32;
1391 void __iomem *set_uproc_interrupt_reg;
1392 void __iomem *set_uproc_interrupt_reg32;
1393 void __iomem *clr_uproc_interrupt_reg;
1394 void __iomem *clr_uproc_interrupt_reg32;
1395
1396 void __iomem *init_feedback_reg;
1397
1398 void __iomem *dump_addr_reg;
1399 void __iomem *dump_data_reg;
1400
1401 void __iomem *endian_swap_reg;
1402};
1403
1404struct ipr_chip_cfg_t {
1405 u32 mailbox;
1406 u16 max_cmds;
1407 u8 cache_line_size;
1408 u8 clear_isr;
1409 u32 iopoll_weight;
1410 struct ipr_interrupt_offsets regs;
1411};
1412
1413struct ipr_chip_t {
1414 u16 vendor;
1415 u16 device;
1416 bool has_msi;
1417 u16 sis_type;
1418#define IPR_SIS32 0x00
1419#define IPR_SIS64 0x01
1420 u16 bist_method;
1421#define IPR_PCI_CFG 0x00
1422#define IPR_MMIO 0x01
1423 const struct ipr_chip_cfg_t *cfg;
1424};
1425
1426enum ipr_shutdown_type {
1427 IPR_SHUTDOWN_NORMAL = 0x00,
1428 IPR_SHUTDOWN_PREPARE_FOR_NORMAL = 0x40,
1429 IPR_SHUTDOWN_ABBREV = 0x80,
1430 IPR_SHUTDOWN_NONE = 0x100,
1431 IPR_SHUTDOWN_QUIESCE = 0x101,
1432};
1433
1434struct ipr_trace_entry {
1435 u32 time;
1436
1437 u8 op_code;
1438 u8 ata_op_code;
1439 u8 type;
1440#define IPR_TRACE_START 0x00
1441#define IPR_TRACE_FINISH 0xff
1442 u8 cmd_index;
1443
1444 __be32 res_handle;
1445 union {
1446 u32 ioasc;
1447 u32 add_data;
1448 u32 res_addr;
1449 } u;
1450};
1451
1452struct ipr_sglist {
1453 u32 order;
1454 u32 num_sg;
1455 u32 num_dma_sg;
1456 u32 buffer_len;
1457 struct scatterlist scatterlist[1];
1458};
1459
1460enum ipr_sdt_state {
1461 INACTIVE,
1462 WAIT_FOR_DUMP,
1463 GET_DUMP,
1464 READ_DUMP,
1465 ABORT_DUMP,
1466 DUMP_OBTAINED
1467};
1468
1469/* Per-controller data */
1470struct ipr_ioa_cfg {
1471 char eye_catcher[8];
1472#define IPR_EYECATCHER "iprcfg"
1473
1474 struct list_head queue;
1475
1476 u8 in_reset_reload:1;
1477 u8 in_ioa_bringdown:1;
1478 u8 ioa_unit_checked:1;
1479 u8 dump_taken:1;
1480 u8 scan_enabled:1;
1481 u8 scan_done:1;
1482 u8 needs_hard_reset:1;
1483 u8 dual_raid:1;
1484 u8 needs_warm_reset:1;
1485 u8 msi_received:1;
1486 u8 sis64:1;
1487 u8 dump_timeout:1;
1488 u8 cfg_locked:1;
1489 u8 clear_isr:1;
1490 u8 probe_done:1;
1491
1492 u8 revid;
1493
1494 /*
1495 * Bitmaps for SIS64 generated target values
1496 */
1497 unsigned long target_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1498 unsigned long array_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1499 unsigned long vset_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1500
1501 u16 type; /* CCIN of the card */
1502
1503 u8 log_level;
1504#define IPR_MAX_LOG_LEVEL 4
1505#define IPR_DEFAULT_LOG_LEVEL 2
1506#define IPR_DEBUG_LOG_LEVEL 3
1507
1508#define IPR_NUM_TRACE_INDEX_BITS 8
1509#define IPR_NUM_TRACE_ENTRIES (1 << IPR_NUM_TRACE_INDEX_BITS)
1510#define IPR_TRACE_INDEX_MASK (IPR_NUM_TRACE_ENTRIES - 1)
1511#define IPR_TRACE_SIZE (sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES)
1512 char trace_start[8];
1513#define IPR_TRACE_START_LABEL "trace"
1514 struct ipr_trace_entry *trace;
1515 atomic_t trace_index;
1516
1517 char cfg_table_start[8];
1518#define IPR_CFG_TBL_START "cfg"
1519 union {
1520 struct ipr_config_table *cfg_table;
1521 struct ipr_config_table64 *cfg_table64;
1522 } u;
1523 dma_addr_t cfg_table_dma;
1524 u32 cfg_table_size;
1525 u32 max_devs_supported;
1526
1527 char resource_table_label[8];
1528#define IPR_RES_TABLE_LABEL "res_tbl"
1529 struct ipr_resource_entry *res_entries;
1530 struct list_head free_res_q;
1531 struct list_head used_res_q;
1532
1533 char ipr_hcam_label[8];
1534#define IPR_HCAM_LABEL "hcams"
1535 struct ipr_hostrcb *hostrcb[IPR_MAX_HCAMS];
1536 dma_addr_t hostrcb_dma[IPR_MAX_HCAMS];
1537 struct list_head hostrcb_free_q;
1538 struct list_head hostrcb_pending_q;
1539 struct list_head hostrcb_report_q;
1540
1541 struct ipr_hrr_queue hrrq[IPR_MAX_HRRQ_NUM];
1542 u32 hrrq_num;
1543 atomic_t hrrq_index;
1544 u16 identify_hrrq_index;
1545
1546 struct ipr_bus_attributes bus_attr[IPR_MAX_NUM_BUSES];
1547
1548 unsigned int transop_timeout;
1549 const struct ipr_chip_cfg_t *chip_cfg;
1550 const struct ipr_chip_t *ipr_chip;
1551
1552 void __iomem *hdw_dma_regs; /* iomapped PCI memory space */
1553 unsigned long hdw_dma_regs_pci; /* raw PCI memory space */
1554 void __iomem *ioa_mailbox;
1555 struct ipr_interrupts regs;
1556
1557 u16 saved_pcix_cmd_reg;
1558 u16 reset_retries;
1559
1560 u32 errors_logged;
1561 u32 doorbell;
1562
1563 struct Scsi_Host *host;
1564 struct pci_dev *pdev;
1565 struct ipr_sglist *ucode_sglist;
1566 u8 saved_mode_page_len;
1567
1568 struct work_struct work_q;
1569 struct workqueue_struct *reset_work_q;
1570
1571 wait_queue_head_t reset_wait_q;
1572 wait_queue_head_t msi_wait_q;
1573 wait_queue_head_t eeh_wait_q;
1574
1575 struct ipr_dump *dump;
1576 enum ipr_sdt_state sdt_state;
1577
1578 struct ipr_misc_cbs *vpd_cbs;
1579 dma_addr_t vpd_cbs_dma;
1580
1581 struct dma_pool *ipr_cmd_pool;
1582
1583 struct ipr_cmnd *reset_cmd;
1584 int (*reset) (struct ipr_cmnd *);
1585
1586 struct ata_host ata_host;
1587 char ipr_cmd_label[8];
1588#define IPR_CMD_LABEL "ipr_cmd"
1589 u32 max_cmds;
1590 struct ipr_cmnd **ipr_cmnd_list;
1591 dma_addr_t *ipr_cmnd_list_dma;
1592
1593 unsigned int nvectors;
1594
1595 struct {
1596 char desc[22];
1597 } vectors_info[IPR_MAX_MSIX_VECTORS];
1598
1599 u32 iopoll_weight;
1600
1601}; /* struct ipr_ioa_cfg */
1602
1603struct ipr_cmnd {
1604 struct ipr_ioarcb ioarcb;
1605 union {
1606 struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
1607 struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
1608 struct ipr_ata64_ioadl ata_ioadl;
1609 } i;
1610 union {
1611 struct ipr_ioasa ioasa;
1612 struct ipr_ioasa64 ioasa64;
1613 } s;
1614 struct list_head queue;
1615 struct scsi_cmnd *scsi_cmd;
1616 struct ata_queued_cmd *qc;
1617 struct completion completion;
1618 struct timer_list timer;
1619 struct work_struct work;
1620 void (*fast_done) (struct ipr_cmnd *);
1621 void (*done) (struct ipr_cmnd *);
1622 int (*job_step) (struct ipr_cmnd *);
1623 int (*job_step_failed) (struct ipr_cmnd *);
1624 u16 cmd_index;
1625 u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
1626 dma_addr_t sense_buffer_dma;
1627 unsigned short dma_use_sg;
1628 dma_addr_t dma_addr;
1629 struct ipr_cmnd *sibling;
1630 union {
1631 enum ipr_shutdown_type shutdown_type;
1632 struct ipr_hostrcb *hostrcb;
1633 unsigned long time_left;
1634 unsigned long scratch;
1635 struct ipr_resource_entry *res;
1636 struct scsi_device *sdev;
1637 } u;
1638
1639 struct completion *eh_comp;
1640 struct ipr_hrr_queue *hrrq;
1641 struct ipr_ioa_cfg *ioa_cfg;
1642};
1643
1644struct ipr_ses_table_entry {
1645 char product_id[17];
1646 char compare_product_id_byte[17];
1647 u32 max_bus_speed_limit; /* MB/sec limit for this backplane */
1648};
1649
1650struct ipr_dump_header {
1651 u32 eye_catcher;
1652#define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1653 u32 len;
1654 u32 num_entries;
1655 u32 first_entry_offset;
1656 u32 status;
1657#define IPR_DUMP_STATUS_SUCCESS 0
1658#define IPR_DUMP_STATUS_QUAL_SUCCESS 2
1659#define IPR_DUMP_STATUS_FAILED 0xffffffff
1660 u32 os;
1661#define IPR_DUMP_OS_LINUX 0x4C4E5558
1662 u32 driver_name;
1663#define IPR_DUMP_DRIVER_NAME 0x49505232
1664}__attribute__((packed, aligned (4)));
1665
1666struct ipr_dump_entry_header {
1667 u32 eye_catcher;
1668#define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1669 u32 len;
1670 u32 num_elems;
1671 u32 offset;
1672 u32 data_type;
1673#define IPR_DUMP_DATA_TYPE_ASCII 0x41534349
1674#define IPR_DUMP_DATA_TYPE_BINARY 0x42494E41
1675 u32 id;
1676#define IPR_DUMP_IOA_DUMP_ID 0x494F4131
1677#define IPR_DUMP_LOCATION_ID 0x4C4F4341
1678#define IPR_DUMP_TRACE_ID 0x54524143
1679#define IPR_DUMP_DRIVER_VERSION_ID 0x44525652
1680#define IPR_DUMP_DRIVER_TYPE_ID 0x54595045
1681#define IPR_DUMP_IOA_CTRL_BLK 0x494F4342
1682#define IPR_DUMP_PEND_OPS 0x414F5053
1683 u32 status;
1684}__attribute__((packed, aligned (4)));
1685
1686struct ipr_dump_location_entry {
1687 struct ipr_dump_entry_header hdr;
1688 u8 location[20];
1689}__attribute__((packed));
1690
1691struct ipr_dump_trace_entry {
1692 struct ipr_dump_entry_header hdr;
1693 u32 trace[IPR_TRACE_SIZE / sizeof(u32)];
1694}__attribute__((packed, aligned (4)));
1695
1696struct ipr_dump_version_entry {
1697 struct ipr_dump_entry_header hdr;
1698 u8 version[sizeof(IPR_DRIVER_VERSION)];
1699};
1700
1701struct ipr_dump_ioa_type_entry {
1702 struct ipr_dump_entry_header hdr;
1703 u32 type;
1704 u32 fw_version;
1705};
1706
1707struct ipr_driver_dump {
1708 struct ipr_dump_header hdr;
1709 struct ipr_dump_version_entry version_entry;
1710 struct ipr_dump_location_entry location_entry;
1711 struct ipr_dump_ioa_type_entry ioa_type_entry;
1712 struct ipr_dump_trace_entry trace_entry;
1713}__attribute__((packed));
1714
1715struct ipr_ioa_dump {
1716 struct ipr_dump_entry_header hdr;
1717 struct ipr_sdt sdt;
1718 __be32 **ioa_data;
1719 u32 reserved;
1720 u32 next_page_index;
1721 u32 page_offset;
1722 u32 format;
1723}__attribute__((packed, aligned (4)));
1724
1725struct ipr_dump {
1726 struct kref kref;
1727 struct ipr_ioa_cfg *ioa_cfg;
1728 struct ipr_driver_dump driver_dump;
1729 struct ipr_ioa_dump ioa_dump;
1730};
1731
1732struct ipr_error_table_t {
1733 u32 ioasc;
1734 int log_ioasa;
1735 int log_hcam;
1736 char *error;
1737};
1738
1739struct ipr_software_inq_lid_info {
1740 __be32 load_id;
1741 __be32 timestamp[3];
1742}__attribute__((packed, aligned (4)));
1743
1744struct ipr_ucode_image_header {
1745 __be32 header_length;
1746 __be32 lid_table_offset;
1747 u8 major_release;
1748 u8 card_type;
1749 u8 minor_release[2];
1750 u8 reserved[20];
1751 char eyecatcher[16];
1752 __be32 num_lids;
1753 struct ipr_software_inq_lid_info lid[1];
1754}__attribute__((packed, aligned (4)));
1755
1756/*
1757 * Macros
1758 */
1759#define IPR_DBG_CMD(CMD) if (ipr_debug) { CMD; }
1760
1761#ifdef CONFIG_SCSI_IPR_TRACE
1762#define ipr_create_trace_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1763#define ipr_remove_trace_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1764#else
1765#define ipr_create_trace_file(kobj, attr) 0
1766#define ipr_remove_trace_file(kobj, attr) do { } while(0)
1767#endif
1768
1769#ifdef CONFIG_SCSI_IPR_DUMP
1770#define ipr_create_dump_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1771#define ipr_remove_dump_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1772#else
1773#define ipr_create_dump_file(kobj, attr) 0
1774#define ipr_remove_dump_file(kobj, attr) do { } while(0)
1775#endif
1776
1777/*
1778 * Error logging macros
1779 */
1780#define ipr_err(...) printk(KERN_ERR IPR_NAME ": "__VA_ARGS__)
1781#define ipr_info(...) printk(KERN_INFO IPR_NAME ": "__VA_ARGS__)
1782#define ipr_dbg(...) IPR_DBG_CMD(printk(KERN_INFO IPR_NAME ": "__VA_ARGS__))
1783
1784#define ipr_res_printk(level, ioa_cfg, bus, target, lun, fmt, ...) \
1785 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1786 bus, target, lun, ##__VA_ARGS__)
1787
1788#define ipr_res_err(ioa_cfg, res, fmt, ...) \
1789 ipr_res_printk(KERN_ERR, ioa_cfg, (res)->bus, (res)->target, (res)->lun, fmt, ##__VA_ARGS__)
1790
1791#define ipr_ra_printk(level, ioa_cfg, ra, fmt, ...) \
1792 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1793 (ra).bus, (ra).target, (ra).lun, ##__VA_ARGS__)
1794
1795#define ipr_ra_err(ioa_cfg, ra, fmt, ...) \
1796 ipr_ra_printk(KERN_ERR, ioa_cfg, ra, fmt, ##__VA_ARGS__)
1797
1798#define ipr_phys_res_err(ioa_cfg, res, fmt, ...) \
1799{ \
1800 if ((res).bus >= IPR_MAX_NUM_BUSES) { \
1801 ipr_err(fmt": unknown\n", ##__VA_ARGS__); \
1802 } else { \
1803 ipr_err(fmt": %d:%d:%d:%d\n", \
1804 ##__VA_ARGS__, (ioa_cfg)->host->host_no, \
1805 (res).bus, (res).target, (res).lun); \
1806 } \
1807}
1808
1809#define ipr_hcam_err(hostrcb, fmt, ...) \
1810{ \
1811 if (ipr_is_device(hostrcb)) { \
1812 if ((hostrcb)->ioa_cfg->sis64) { \
1813 printk(KERN_ERR IPR_NAME ": %s: " fmt, \
1814 ipr_format_res_path(hostrcb->ioa_cfg, \
1815 hostrcb->hcam.u.error64.fd_res_path, \
1816 hostrcb->rp_buffer, \
1817 sizeof(hostrcb->rp_buffer)), \
1818 __VA_ARGS__); \
1819 } else { \
1820 ipr_ra_err((hostrcb)->ioa_cfg, \
1821 (hostrcb)->hcam.u.error.fd_res_addr, \
1822 fmt, __VA_ARGS__); \
1823 } \
1824 } else { \
1825 dev_err(&(hostrcb)->ioa_cfg->pdev->dev, fmt, __VA_ARGS__); \
1826 } \
1827}
1828
1829#define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
1830 __FILE__, __func__, __LINE__)
1831
1832#define ENTER IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Entering %s\n", __func__))
1833#define LEAVE IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Leaving %s\n", __func__))
1834
1835#define ipr_err_separator \
1836ipr_err("----------------------------------------------------------\n")
1837
1838
1839/*
1840 * Inlines
1841 */
1842
1843/**
1844 * ipr_is_ioa_resource - Determine if a resource is the IOA
1845 * @res: resource entry struct
1846 *
1847 * Return value:
1848 * 1 if IOA / 0 if not IOA
1849 **/
1850static inline int ipr_is_ioa_resource(struct ipr_resource_entry *res)
1851{
1852 return res->type == IPR_RES_TYPE_IOAFP;
1853}
1854
1855/**
1856 * ipr_is_af_dasd_device - Determine if a resource is an AF DASD
1857 * @res: resource entry struct
1858 *
1859 * Return value:
1860 * 1 if AF DASD / 0 if not AF DASD
1861 **/
1862static inline int ipr_is_af_dasd_device(struct ipr_resource_entry *res)
1863{
1864 return res->type == IPR_RES_TYPE_AF_DASD ||
1865 res->type == IPR_RES_TYPE_REMOTE_AF_DASD;
1866}
1867
1868/**
1869 * ipr_is_vset_device - Determine if a resource is a VSET
1870 * @res: resource entry struct
1871 *
1872 * Return value:
1873 * 1 if VSET / 0 if not VSET
1874 **/
1875static inline int ipr_is_vset_device(struct ipr_resource_entry *res)
1876{
1877 return res->type == IPR_RES_TYPE_VOLUME_SET;
1878}
1879
1880/**
1881 * ipr_is_gscsi - Determine if a resource is a generic scsi resource
1882 * @res: resource entry struct
1883 *
1884 * Return value:
1885 * 1 if GSCSI / 0 if not GSCSI
1886 **/
1887static inline int ipr_is_gscsi(struct ipr_resource_entry *res)
1888{
1889 return res->type == IPR_RES_TYPE_GENERIC_SCSI;
1890}
1891
1892/**
1893 * ipr_is_scsi_disk - Determine if a resource is a SCSI disk
1894 * @res: resource entry struct
1895 *
1896 * Return value:
1897 * 1 if SCSI disk / 0 if not SCSI disk
1898 **/
1899static inline int ipr_is_scsi_disk(struct ipr_resource_entry *res)
1900{
1901 if (ipr_is_af_dasd_device(res) ||
1902 (ipr_is_gscsi(res) && IPR_IS_DASD_DEVICE(res->std_inq_data)))
1903 return 1;
1904 else
1905 return 0;
1906}
1907
1908/**
1909 * ipr_is_gata - Determine if a resource is a generic ATA resource
1910 * @res: resource entry struct
1911 *
1912 * Return value:
1913 * 1 if GATA / 0 if not GATA
1914 **/
1915static inline int ipr_is_gata(struct ipr_resource_entry *res)
1916{
1917 return res->type == IPR_RES_TYPE_GENERIC_ATA;
1918}
1919
1920/**
1921 * ipr_is_naca_model - Determine if a resource is using NACA queueing model
1922 * @res: resource entry struct
1923 *
1924 * Return value:
1925 * 1 if NACA queueing model / 0 if not NACA queueing model
1926 **/
1927static inline int ipr_is_naca_model(struct ipr_resource_entry *res)
1928{
1929 if (ipr_is_gscsi(res) && res->qmodel == IPR_QUEUE_NACA_MODEL)
1930 return 1;
1931 return 0;
1932}
1933
1934/**
1935 * ipr_is_device - Determine if the hostrcb structure is related to a device
1936 * @hostrcb: host resource control blocks struct
1937 *
1938 * Return value:
1939 * 1 if AF / 0 if not AF
1940 **/
1941static inline int ipr_is_device(struct ipr_hostrcb *hostrcb)
1942{
1943 struct ipr_res_addr *res_addr;
1944 u8 *res_path;
1945
1946 if (hostrcb->ioa_cfg->sis64) {
1947 res_path = &hostrcb->hcam.u.error64.fd_res_path[0];
1948 if ((res_path[0] == 0x00 || res_path[0] == 0x80 ||
1949 res_path[0] == 0x81) && res_path[2] != 0xFF)
1950 return 1;
1951 } else {
1952 res_addr = &hostrcb->hcam.u.error.fd_res_addr;
1953
1954 if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
1955 (res_addr->target < (IPR_MAX_NUM_TARGETS_PER_BUS - 1)))
1956 return 1;
1957 }
1958 return 0;
1959}
1960
1961/**
1962 * ipr_sdt_is_fmt2 - Determine if a SDT address is in format 2
1963 * @sdt_word: SDT address
1964 *
1965 * Return value:
1966 * 1 if format 2 / 0 if not
1967 **/
1968static inline int ipr_sdt_is_fmt2(u32 sdt_word)
1969{
1970 u32 bar_sel = IPR_GET_FMT2_BAR_SEL(sdt_word);
1971
1972 switch (bar_sel) {
1973 case IPR_SDT_FMT2_BAR0_SEL:
1974 case IPR_SDT_FMT2_BAR1_SEL:
1975 case IPR_SDT_FMT2_BAR2_SEL:
1976 case IPR_SDT_FMT2_BAR3_SEL:
1977 case IPR_SDT_FMT2_BAR4_SEL:
1978 case IPR_SDT_FMT2_BAR5_SEL:
1979 case IPR_SDT_FMT2_EXP_ROM_SEL:
1980 return 1;
1981 };
1982
1983 return 0;
1984}
1985
1986#ifndef writeq
1987static inline void writeq(u64 val, void __iomem *addr)
1988{
1989 writel(((u32) (val >> 32)), addr);
1990 writel(((u32) (val)), (addr + 4));
1991}
1992#endif
1993
1994#endif /* _IPR_H */