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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 <scsi/scsi.h>
36#include <scsi/scsi_cmnd.h>
37
38/*
39 * Literals
40 */
41#define IPR_DRIVER_VERSION "2.5.2"
42#define IPR_DRIVER_DATE "(April 27, 2011)"
43
44/*
45 * IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding
46 * ops per device for devices not running tagged command queuing.
47 * This can be adjusted at runtime through sysfs device attributes.
48 */
49#define IPR_MAX_CMD_PER_LUN 6
50#define IPR_MAX_CMD_PER_ATA_LUN 1
51
52/*
53 * IPR_NUM_BASE_CMD_BLKS: This defines the maximum number of
54 * ops the mid-layer can send to the adapter.
55 */
56#define IPR_NUM_BASE_CMD_BLKS 100
57
58#define PCI_DEVICE_ID_IBM_OBSIDIAN_E 0x0339
59
60#define PCI_DEVICE_ID_IBM_CROC_FPGA_E2 0x033D
61#define PCI_DEVICE_ID_IBM_CROC_ASIC_E2 0x034A
62
63#define IPR_SUBS_DEV_ID_2780 0x0264
64#define IPR_SUBS_DEV_ID_5702 0x0266
65#define IPR_SUBS_DEV_ID_5703 0x0278
66#define IPR_SUBS_DEV_ID_572E 0x028D
67#define IPR_SUBS_DEV_ID_573E 0x02D3
68#define IPR_SUBS_DEV_ID_573D 0x02D4
69#define IPR_SUBS_DEV_ID_571A 0x02C0
70#define IPR_SUBS_DEV_ID_571B 0x02BE
71#define IPR_SUBS_DEV_ID_571E 0x02BF
72#define IPR_SUBS_DEV_ID_571F 0x02D5
73#define IPR_SUBS_DEV_ID_572A 0x02C1
74#define IPR_SUBS_DEV_ID_572B 0x02C2
75#define IPR_SUBS_DEV_ID_572F 0x02C3
76#define IPR_SUBS_DEV_ID_574E 0x030A
77#define IPR_SUBS_DEV_ID_575B 0x030D
78#define IPR_SUBS_DEV_ID_575C 0x0338
79#define IPR_SUBS_DEV_ID_57B3 0x033A
80#define IPR_SUBS_DEV_ID_57B7 0x0360
81#define IPR_SUBS_DEV_ID_57B8 0x02C2
82
83#define IPR_SUBS_DEV_ID_57B4 0x033B
84#define IPR_SUBS_DEV_ID_57B2 0x035F
85#define IPR_SUBS_DEV_ID_57C4 0x0354
86#define IPR_SUBS_DEV_ID_57C6 0x0357
87#define IPR_SUBS_DEV_ID_57CC 0x035C
88
89#define IPR_SUBS_DEV_ID_57B5 0x033C
90#define IPR_SUBS_DEV_ID_57CE 0x035E
91#define IPR_SUBS_DEV_ID_57B1 0x0355
92
93#define IPR_SUBS_DEV_ID_574D 0x0356
94#define IPR_SUBS_DEV_ID_575D 0x035D
95
96#define IPR_NAME "ipr"
97
98/*
99 * Return codes
100 */
101#define IPR_RC_JOB_CONTINUE 1
102#define IPR_RC_JOB_RETURN 2
103
104/*
105 * IOASCs
106 */
107#define IPR_IOASC_NR_INIT_CMD_REQUIRED 0x02040200
108#define IPR_IOASC_NR_IOA_RESET_REQUIRED 0x02048000
109#define IPR_IOASC_SYNC_REQUIRED 0x023f0000
110#define IPR_IOASC_MED_DO_NOT_REALLOC 0x03110C00
111#define IPR_IOASC_HW_SEL_TIMEOUT 0x04050000
112#define IPR_IOASC_HW_DEV_BUS_STATUS 0x04448500
113#define IPR_IOASC_IOASC_MASK 0xFFFFFF00
114#define IPR_IOASC_SCSI_STATUS_MASK 0x000000FF
115#define IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT 0x05240000
116#define IPR_IOASC_IR_RESOURCE_HANDLE 0x05250000
117#define IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA 0x05258100
118#define IPR_IOASA_IR_DUAL_IOA_DISABLED 0x052C8000
119#define IPR_IOASC_BUS_WAS_RESET 0x06290000
120#define IPR_IOASC_BUS_WAS_RESET_BY_OTHER 0x06298000
121#define IPR_IOASC_ABORTED_CMD_TERM_BY_HOST 0x0B5A0000
122
123#define IPR_FIRST_DRIVER_IOASC 0x10000000
124#define IPR_IOASC_IOA_WAS_RESET 0x10000001
125#define IPR_IOASC_PCI_ACCESS_ERROR 0x10000002
126
127/* Driver data flags */
128#define IPR_USE_LONG_TRANSOP_TIMEOUT 0x00000001
129#define IPR_USE_PCI_WARM_RESET 0x00000002
130
131#define IPR_DEFAULT_MAX_ERROR_DUMP 984
132#define IPR_NUM_LOG_HCAMS 2
133#define IPR_NUM_CFG_CHG_HCAMS 2
134#define IPR_NUM_HCAMS (IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS)
135
136#define IPR_MAX_SIS64_TARGETS_PER_BUS 1024
137#define IPR_MAX_SIS64_LUNS_PER_TARGET 0xffffffff
138
139#define IPR_MAX_NUM_TARGETS_PER_BUS 256
140#define IPR_MAX_NUM_LUNS_PER_TARGET 256
141#define IPR_MAX_NUM_VSET_LUNS_PER_TARGET 8
142#define IPR_VSET_BUS 0xff
143#define IPR_IOA_BUS 0xff
144#define IPR_IOA_TARGET 0xff
145#define IPR_IOA_LUN 0xff
146#define IPR_MAX_NUM_BUSES 16
147#define IPR_MAX_BUS_TO_SCAN IPR_MAX_NUM_BUSES
148
149#define IPR_NUM_RESET_RELOAD_RETRIES 3
150
151/* We need resources for HCAMS, IOA reset, IOA bringdown, and ERP */
152#define IPR_NUM_INTERNAL_CMD_BLKS (IPR_NUM_HCAMS + \
153 ((IPR_NUM_RESET_RELOAD_RETRIES + 1) * 2) + 4)
154
155#define IPR_MAX_COMMANDS IPR_NUM_BASE_CMD_BLKS
156#define IPR_NUM_CMD_BLKS (IPR_NUM_BASE_CMD_BLKS + \
157 IPR_NUM_INTERNAL_CMD_BLKS)
158
159#define IPR_MAX_PHYSICAL_DEVS 192
160#define IPR_DEFAULT_SIS64_DEVS 1024
161#define IPR_MAX_SIS64_DEVS 4096
162
163#define IPR_MAX_SGLIST 64
164#define IPR_IOA_MAX_SECTORS 32767
165#define IPR_VSET_MAX_SECTORS 512
166#define IPR_MAX_CDB_LEN 16
167#define IPR_MAX_HRRQ_RETRIES 3
168
169#define IPR_DEFAULT_BUS_WIDTH 16
170#define IPR_80MBs_SCSI_RATE ((80 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
171#define IPR_U160_SCSI_RATE ((160 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
172#define IPR_U320_SCSI_RATE ((320 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
173#define IPR_MAX_SCSI_RATE(width) ((320 * 10) / ((width) / 8))
174
175#define IPR_IOA_RES_HANDLE 0xffffffff
176#define IPR_INVALID_RES_HANDLE 0
177#define IPR_IOA_RES_ADDR 0x00ffffff
178
179/*
180 * Adapter Commands
181 */
182#define IPR_QUERY_RSRC_STATE 0xC2
183#define IPR_RESET_DEVICE 0xC3
184#define IPR_RESET_TYPE_SELECT 0x80
185#define IPR_LUN_RESET 0x40
186#define IPR_TARGET_RESET 0x20
187#define IPR_BUS_RESET 0x10
188#define IPR_ATA_PHY_RESET 0x80
189#define IPR_ID_HOST_RR_Q 0xC4
190#define IPR_QUERY_IOA_CONFIG 0xC5
191#define IPR_CANCEL_ALL_REQUESTS 0xCE
192#define IPR_HOST_CONTROLLED_ASYNC 0xCF
193#define IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE 0x01
194#define IPR_HCAM_CDB_OP_CODE_LOG_DATA 0x02
195#define IPR_SET_SUPPORTED_DEVICES 0xFB
196#define IPR_SET_ALL_SUPPORTED_DEVICES 0x80
197#define IPR_IOA_SHUTDOWN 0xF7
198#define IPR_WR_BUF_DOWNLOAD_AND_SAVE 0x05
199
200/*
201 * Timeouts
202 */
203#define IPR_SHUTDOWN_TIMEOUT (ipr_fastfail ? 60 * HZ : 10 * 60 * HZ)
204#define IPR_VSET_RW_TIMEOUT (ipr_fastfail ? 30 * HZ : 2 * 60 * HZ)
205#define IPR_ABBREV_SHUTDOWN_TIMEOUT (10 * HZ)
206#define IPR_DUAL_IOA_ABBR_SHUTDOWN_TO (2 * 60 * HZ)
207#define IPR_DEVICE_RESET_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
208#define IPR_CANCEL_ALL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
209#define IPR_ABORT_TASK_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
210#define IPR_INTERNAL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
211#define IPR_WRITE_BUFFER_TIMEOUT (10 * 60 * HZ)
212#define IPR_SET_SUP_DEVICE_TIMEOUT (2 * 60 * HZ)
213#define IPR_REQUEST_SENSE_TIMEOUT (10 * HZ)
214#define IPR_OPERATIONAL_TIMEOUT (5 * 60)
215#define IPR_LONG_OPERATIONAL_TIMEOUT (12 * 60)
216#define IPR_WAIT_FOR_RESET_TIMEOUT (2 * HZ)
217#define IPR_CHECK_FOR_RESET_TIMEOUT (HZ / 10)
218#define IPR_WAIT_FOR_BIST_TIMEOUT (2 * HZ)
219#define IPR_PCI_RESET_TIMEOUT (HZ / 2)
220#define IPR_SIS32_DUMP_TIMEOUT (15 * HZ)
221#define IPR_SIS64_DUMP_TIMEOUT (40 * HZ)
222#define IPR_DUMP_DELAY_SECONDS 4
223#define IPR_DUMP_DELAY_TIMEOUT (IPR_DUMP_DELAY_SECONDS * HZ)
224
225/*
226 * SCSI Literals
227 */
228#define IPR_VENDOR_ID_LEN 8
229#define IPR_PROD_ID_LEN 16
230#define IPR_SERIAL_NUM_LEN 8
231
232/*
233 * Hardware literals
234 */
235#define IPR_FMT2_MBX_ADDR_MASK 0x0fffffff
236#define IPR_FMT2_MBX_BAR_SEL_MASK 0xf0000000
237#define IPR_FMT2_MKR_BAR_SEL_SHIFT 28
238#define IPR_GET_FMT2_BAR_SEL(mbx) \
239(((mbx) & IPR_FMT2_MBX_BAR_SEL_MASK) >> IPR_FMT2_MKR_BAR_SEL_SHIFT)
240#define IPR_SDT_FMT2_BAR0_SEL 0x0
241#define IPR_SDT_FMT2_BAR1_SEL 0x1
242#define IPR_SDT_FMT2_BAR2_SEL 0x2
243#define IPR_SDT_FMT2_BAR3_SEL 0x3
244#define IPR_SDT_FMT2_BAR4_SEL 0x4
245#define IPR_SDT_FMT2_BAR5_SEL 0x5
246#define IPR_SDT_FMT2_EXP_ROM_SEL 0x8
247#define IPR_FMT2_SDT_READY_TO_USE 0xC4D4E3F2
248#define IPR_FMT3_SDT_READY_TO_USE 0xC4D4E3F3
249#define IPR_DOORBELL 0x82800000
250#define IPR_RUNTIME_RESET 0x40000000
251
252#define IPR_IPL_INIT_MIN_STAGE_TIME 5
253#define IPR_IPL_INIT_DEFAULT_STAGE_TIME 15
254#define IPR_IPL_INIT_STAGE_UNKNOWN 0x0
255#define IPR_IPL_INIT_STAGE_TRANSOP 0xB0000000
256#define IPR_IPL_INIT_STAGE_MASK 0xff000000
257#define IPR_IPL_INIT_STAGE_TIME_MASK 0x0000ffff
258#define IPR_PCII_IPL_STAGE_CHANGE (0x80000000 >> 0)
259
260#define IPR_PCII_IOA_TRANS_TO_OPER (0x80000000 >> 0)
261#define IPR_PCII_IOARCB_XFER_FAILED (0x80000000 >> 3)
262#define IPR_PCII_IOA_UNIT_CHECKED (0x80000000 >> 4)
263#define IPR_PCII_NO_HOST_RRQ (0x80000000 >> 5)
264#define IPR_PCII_CRITICAL_OPERATION (0x80000000 >> 6)
265#define IPR_PCII_IO_DEBUG_ACKNOWLEDGE (0x80000000 >> 7)
266#define IPR_PCII_IOARRIN_LOST (0x80000000 >> 27)
267#define IPR_PCII_MMIO_ERROR (0x80000000 >> 28)
268#define IPR_PCII_PROC_ERR_STATE (0x80000000 >> 29)
269#define IPR_PCII_HRRQ_UPDATED (0x80000000 >> 30)
270#define IPR_PCII_CORE_ISSUED_RST_REQ (0x80000000 >> 31)
271
272#define IPR_PCII_ERROR_INTERRUPTS \
273(IPR_PCII_IOARCB_XFER_FAILED | IPR_PCII_IOA_UNIT_CHECKED | \
274IPR_PCII_NO_HOST_RRQ | IPR_PCII_IOARRIN_LOST | IPR_PCII_MMIO_ERROR)
275
276#define IPR_PCII_OPER_INTERRUPTS \
277(IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED | IPR_PCII_IOA_TRANS_TO_OPER)
278
279#define IPR_UPROCI_RESET_ALERT (0x80000000 >> 7)
280#define IPR_UPROCI_IO_DEBUG_ALERT (0x80000000 >> 9)
281#define IPR_UPROCI_SIS64_START_BIST (0x80000000 >> 23)
282
283#define IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC 200000 /* 200 ms */
284#define IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC 200000 /* 200 ms */
285
286/*
287 * Dump literals
288 */
289#define IPR_FMT2_MAX_IOA_DUMP_SIZE (4 * 1024 * 1024)
290#define IPR_FMT3_MAX_IOA_DUMP_SIZE (32 * 1024 * 1024)
291#define IPR_FMT2_NUM_SDT_ENTRIES 511
292#define IPR_FMT3_NUM_SDT_ENTRIES 0xFFF
293#define IPR_FMT2_MAX_NUM_DUMP_PAGES ((IPR_FMT2_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
294#define IPR_FMT3_MAX_NUM_DUMP_PAGES ((IPR_FMT3_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
295
296/*
297 * Misc literals
298 */
299#define IPR_NUM_IOADL_ENTRIES IPR_MAX_SGLIST
300
301/*
302 * Adapter interface types
303 */
304
305struct ipr_res_addr {
306 u8 reserved;
307 u8 bus;
308 u8 target;
309 u8 lun;
310#define IPR_GET_PHYS_LOC(res_addr) \
311 (((res_addr).bus << 16) | ((res_addr).target << 8) | (res_addr).lun)
312}__attribute__((packed, aligned (4)));
313
314struct ipr_std_inq_vpids {
315 u8 vendor_id[IPR_VENDOR_ID_LEN];
316 u8 product_id[IPR_PROD_ID_LEN];
317}__attribute__((packed));
318
319struct ipr_vpd {
320 struct ipr_std_inq_vpids vpids;
321 u8 sn[IPR_SERIAL_NUM_LEN];
322}__attribute__((packed));
323
324struct ipr_ext_vpd {
325 struct ipr_vpd vpd;
326 __be32 wwid[2];
327}__attribute__((packed));
328
329struct ipr_ext_vpd64 {
330 struct ipr_vpd vpd;
331 __be32 wwid[4];
332}__attribute__((packed));
333
334struct ipr_std_inq_data {
335 u8 peri_qual_dev_type;
336#define IPR_STD_INQ_PERI_QUAL(peri) ((peri) >> 5)
337#define IPR_STD_INQ_PERI_DEV_TYPE(peri) ((peri) & 0x1F)
338
339 u8 removeable_medium_rsvd;
340#define IPR_STD_INQ_REMOVEABLE_MEDIUM 0x80
341
342#define IPR_IS_DASD_DEVICE(std_inq) \
343((IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_DISK) && \
344!(((std_inq).removeable_medium_rsvd) & IPR_STD_INQ_REMOVEABLE_MEDIUM))
345
346#define IPR_IS_SES_DEVICE(std_inq) \
347(IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_ENCLOSURE)
348
349 u8 version;
350 u8 aen_naca_fmt;
351 u8 additional_len;
352 u8 sccs_rsvd;
353 u8 bq_enc_multi;
354 u8 sync_cmdq_flags;
355
356 struct ipr_std_inq_vpids vpids;
357
358 u8 ros_rsvd_ram_rsvd[4];
359
360 u8 serial_num[IPR_SERIAL_NUM_LEN];
361}__attribute__ ((packed));
362
363#define IPR_RES_TYPE_AF_DASD 0x00
364#define IPR_RES_TYPE_GENERIC_SCSI 0x01
365#define IPR_RES_TYPE_VOLUME_SET 0x02
366#define IPR_RES_TYPE_REMOTE_AF_DASD 0x03
367#define IPR_RES_TYPE_GENERIC_ATA 0x04
368#define IPR_RES_TYPE_ARRAY 0x05
369#define IPR_RES_TYPE_IOAFP 0xff
370
371struct ipr_config_table_entry {
372 u8 proto;
373#define IPR_PROTO_SATA 0x02
374#define IPR_PROTO_SATA_ATAPI 0x03
375#define IPR_PROTO_SAS_STP 0x06
376#define IPR_PROTO_SAS_STP_ATAPI 0x07
377 u8 array_id;
378 u8 flags;
379#define IPR_IS_IOA_RESOURCE 0x80
380 u8 rsvd_subtype;
381
382#define IPR_QUEUEING_MODEL(res) ((((res)->flags) & 0x70) >> 4)
383#define IPR_QUEUE_FROZEN_MODEL 0
384#define IPR_QUEUE_NACA_MODEL 1
385
386 struct ipr_res_addr res_addr;
387 __be32 res_handle;
388 __be32 lun_wwn[2];
389 struct ipr_std_inq_data std_inq_data;
390}__attribute__ ((packed, aligned (4)));
391
392struct ipr_config_table_entry64 {
393 u8 res_type;
394 u8 proto;
395 u8 vset_num;
396 u8 array_id;
397 __be16 flags;
398 __be16 res_flags;
399#define IPR_QUEUEING_MODEL64(res) ((((res)->res_flags) & 0x7000) >> 12)
400 __be32 res_handle;
401 u8 dev_id_type;
402 u8 reserved[3];
403 __be64 dev_id;
404 __be64 lun;
405 __be64 lun_wwn[2];
406#define IPR_MAX_RES_PATH_LENGTH 24
407 __be64 res_path;
408 struct ipr_std_inq_data std_inq_data;
409 u8 reserved2[4];
410 __be64 reserved3[2];
411 u8 reserved4[8];
412}__attribute__ ((packed, aligned (8)));
413
414struct ipr_config_table_hdr {
415 u8 num_entries;
416 u8 flags;
417#define IPR_UCODE_DOWNLOAD_REQ 0x10
418 __be16 reserved;
419}__attribute__((packed, aligned (4)));
420
421struct ipr_config_table_hdr64 {
422 __be16 num_entries;
423 __be16 reserved;
424 u8 flags;
425 u8 reserved2[11];
426}__attribute__((packed, aligned (4)));
427
428struct ipr_config_table {
429 struct ipr_config_table_hdr hdr;
430 struct ipr_config_table_entry dev[0];
431}__attribute__((packed, aligned (4)));
432
433struct ipr_config_table64 {
434 struct ipr_config_table_hdr64 hdr64;
435 struct ipr_config_table_entry64 dev[0];
436}__attribute__((packed, aligned (8)));
437
438struct ipr_config_table_entry_wrapper {
439 union {
440 struct ipr_config_table_entry *cfgte;
441 struct ipr_config_table_entry64 *cfgte64;
442 } u;
443};
444
445struct ipr_hostrcb_cfg_ch_not {
446 union {
447 struct ipr_config_table_entry cfgte;
448 struct ipr_config_table_entry64 cfgte64;
449 } u;
450 u8 reserved[936];
451}__attribute__((packed, aligned (4)));
452
453struct ipr_supported_device {
454 __be16 data_length;
455 u8 reserved;
456 u8 num_records;
457 struct ipr_std_inq_vpids vpids;
458 u8 reserved2[16];
459}__attribute__((packed, aligned (4)));
460
461/* Command packet structure */
462struct ipr_cmd_pkt {
463 __be16 reserved; /* Reserved by IOA */
464 u8 request_type;
465#define IPR_RQTYPE_SCSICDB 0x00
466#define IPR_RQTYPE_IOACMD 0x01
467#define IPR_RQTYPE_HCAM 0x02
468#define IPR_RQTYPE_ATA_PASSTHRU 0x04
469
470 u8 reserved2;
471
472 u8 flags_hi;
473#define IPR_FLAGS_HI_WRITE_NOT_READ 0x80
474#define IPR_FLAGS_HI_NO_ULEN_CHK 0x20
475#define IPR_FLAGS_HI_SYNC_OVERRIDE 0x10
476#define IPR_FLAGS_HI_SYNC_COMPLETE 0x08
477#define IPR_FLAGS_HI_NO_LINK_DESC 0x04
478
479 u8 flags_lo;
480#define IPR_FLAGS_LO_ALIGNED_BFR 0x20
481#define IPR_FLAGS_LO_DELAY_AFTER_RST 0x10
482#define IPR_FLAGS_LO_UNTAGGED_TASK 0x00
483#define IPR_FLAGS_LO_SIMPLE_TASK 0x02
484#define IPR_FLAGS_LO_ORDERED_TASK 0x04
485#define IPR_FLAGS_LO_HEAD_OF_Q_TASK 0x06
486#define IPR_FLAGS_LO_ACA_TASK 0x08
487
488 u8 cdb[16];
489 __be16 timeout;
490}__attribute__ ((packed, aligned(4)));
491
492struct ipr_ioarcb_ata_regs { /* 22 bytes */
493 u8 flags;
494#define IPR_ATA_FLAG_PACKET_CMD 0x80
495#define IPR_ATA_FLAG_XFER_TYPE_DMA 0x40
496#define IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION 0x20
497 u8 reserved[3];
498
499 __be16 data;
500 u8 feature;
501 u8 nsect;
502 u8 lbal;
503 u8 lbam;
504 u8 lbah;
505 u8 device;
506 u8 command;
507 u8 reserved2[3];
508 u8 hob_feature;
509 u8 hob_nsect;
510 u8 hob_lbal;
511 u8 hob_lbam;
512 u8 hob_lbah;
513 u8 ctl;
514}__attribute__ ((packed, aligned(4)));
515
516struct ipr_ioadl_desc {
517 __be32 flags_and_data_len;
518#define IPR_IOADL_FLAGS_MASK 0xff000000
519#define IPR_IOADL_GET_FLAGS(x) (be32_to_cpu(x) & IPR_IOADL_FLAGS_MASK)
520#define IPR_IOADL_DATA_LEN_MASK 0x00ffffff
521#define IPR_IOADL_GET_DATA_LEN(x) (be32_to_cpu(x) & IPR_IOADL_DATA_LEN_MASK)
522#define IPR_IOADL_FLAGS_READ 0x48000000
523#define IPR_IOADL_FLAGS_READ_LAST 0x49000000
524#define IPR_IOADL_FLAGS_WRITE 0x68000000
525#define IPR_IOADL_FLAGS_WRITE_LAST 0x69000000
526#define IPR_IOADL_FLAGS_LAST 0x01000000
527
528 __be32 address;
529}__attribute__((packed, aligned (8)));
530
531struct ipr_ioadl64_desc {
532 __be32 flags;
533 __be32 data_len;
534 __be64 address;
535}__attribute__((packed, aligned (16)));
536
537struct ipr_ata64_ioadl {
538 struct ipr_ioarcb_ata_regs regs;
539 u16 reserved[5];
540 struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
541}__attribute__((packed, aligned (16)));
542
543struct ipr_ioarcb_add_data {
544 union {
545 struct ipr_ioarcb_ata_regs regs;
546 struct ipr_ioadl_desc ioadl[5];
547 __be32 add_cmd_parms[10];
548 } u;
549}__attribute__ ((packed, aligned (4)));
550
551struct ipr_ioarcb_sis64_add_addr_ecb {
552 __be64 ioasa_host_pci_addr;
553 __be64 data_ioadl_addr;
554 __be64 reserved;
555 __be32 ext_control_buf[4];
556}__attribute__((packed, aligned (8)));
557
558/* IOA Request Control Block 128 bytes */
559struct ipr_ioarcb {
560 union {
561 __be32 ioarcb_host_pci_addr;
562 __be64 ioarcb_host_pci_addr64;
563 } a;
564 __be32 res_handle;
565 __be32 host_response_handle;
566 __be32 reserved1;
567 __be32 reserved2;
568 __be32 reserved3;
569
570 __be32 data_transfer_length;
571 __be32 read_data_transfer_length;
572 __be32 write_ioadl_addr;
573 __be32 ioadl_len;
574 __be32 read_ioadl_addr;
575 __be32 read_ioadl_len;
576
577 __be32 ioasa_host_pci_addr;
578 __be16 ioasa_len;
579 __be16 reserved4;
580
581 struct ipr_cmd_pkt cmd_pkt;
582
583 __be16 add_cmd_parms_offset;
584 __be16 add_cmd_parms_len;
585
586 union {
587 struct ipr_ioarcb_add_data add_data;
588 struct ipr_ioarcb_sis64_add_addr_ecb sis64_addr_data;
589 } u;
590
591}__attribute__((packed, aligned (4)));
592
593struct ipr_ioasa_vset {
594 __be32 failing_lba_hi;
595 __be32 failing_lba_lo;
596 __be32 reserved;
597}__attribute__((packed, aligned (4)));
598
599struct ipr_ioasa_af_dasd {
600 __be32 failing_lba;
601 __be32 reserved[2];
602}__attribute__((packed, aligned (4)));
603
604struct ipr_ioasa_gpdd {
605 u8 end_state;
606 u8 bus_phase;
607 __be16 reserved;
608 __be32 ioa_data[2];
609}__attribute__((packed, aligned (4)));
610
611struct ipr_ioasa_gata {
612 u8 error;
613 u8 nsect; /* Interrupt reason */
614 u8 lbal;
615 u8 lbam;
616 u8 lbah;
617 u8 device;
618 u8 status;
619 u8 alt_status; /* ATA CTL */
620 u8 hob_nsect;
621 u8 hob_lbal;
622 u8 hob_lbam;
623 u8 hob_lbah;
624}__attribute__((packed, aligned (4)));
625
626struct ipr_auto_sense {
627 __be16 auto_sense_len;
628 __be16 ioa_data_len;
629 __be32 data[SCSI_SENSE_BUFFERSIZE/sizeof(__be32)];
630};
631
632struct ipr_ioasa_hdr {
633 __be32 ioasc;
634#define IPR_IOASC_SENSE_KEY(ioasc) ((ioasc) >> 24)
635#define IPR_IOASC_SENSE_CODE(ioasc) (((ioasc) & 0x00ff0000) >> 16)
636#define IPR_IOASC_SENSE_QUAL(ioasc) (((ioasc) & 0x0000ff00) >> 8)
637#define IPR_IOASC_SENSE_STATUS(ioasc) ((ioasc) & 0x000000ff)
638
639 __be16 ret_stat_len; /* Length of the returned IOASA */
640
641 __be16 avail_stat_len; /* Total Length of status available. */
642
643 __be32 residual_data_len; /* number of bytes in the host data */
644 /* buffers that were not used by the IOARCB command. */
645
646 __be32 ilid;
647#define IPR_NO_ILID 0
648#define IPR_DRIVER_ILID 0xffffffff
649
650 __be32 fd_ioasc;
651
652 __be32 fd_phys_locator;
653
654 __be32 fd_res_handle;
655
656 __be32 ioasc_specific; /* status code specific field */
657#define IPR_ADDITIONAL_STATUS_FMT 0x80000000
658#define IPR_AUTOSENSE_VALID 0x40000000
659#define IPR_ATA_DEVICE_WAS_RESET 0x20000000
660#define IPR_IOASC_SPECIFIC_MASK 0x00ffffff
661#define IPR_FIELD_POINTER_VALID (0x80000000 >> 8)
662#define IPR_FIELD_POINTER_MASK 0x0000ffff
663
664}__attribute__((packed, aligned (4)));
665
666struct ipr_ioasa {
667 struct ipr_ioasa_hdr hdr;
668
669 union {
670 struct ipr_ioasa_vset vset;
671 struct ipr_ioasa_af_dasd dasd;
672 struct ipr_ioasa_gpdd gpdd;
673 struct ipr_ioasa_gata gata;
674 } u;
675
676 struct ipr_auto_sense auto_sense;
677}__attribute__((packed, aligned (4)));
678
679struct ipr_ioasa64 {
680 struct ipr_ioasa_hdr hdr;
681 u8 fd_res_path[8];
682
683 union {
684 struct ipr_ioasa_vset vset;
685 struct ipr_ioasa_af_dasd dasd;
686 struct ipr_ioasa_gpdd gpdd;
687 struct ipr_ioasa_gata gata;
688 } u;
689
690 struct ipr_auto_sense auto_sense;
691}__attribute__((packed, aligned (4)));
692
693struct ipr_mode_parm_hdr {
694 u8 length;
695 u8 medium_type;
696 u8 device_spec_parms;
697 u8 block_desc_len;
698}__attribute__((packed));
699
700struct ipr_mode_pages {
701 struct ipr_mode_parm_hdr hdr;
702 u8 data[255 - sizeof(struct ipr_mode_parm_hdr)];
703}__attribute__((packed));
704
705struct ipr_mode_page_hdr {
706 u8 ps_page_code;
707#define IPR_MODE_PAGE_PS 0x80
708#define IPR_GET_MODE_PAGE_CODE(hdr) ((hdr)->ps_page_code & 0x3F)
709 u8 page_length;
710}__attribute__ ((packed));
711
712struct ipr_dev_bus_entry {
713 struct ipr_res_addr res_addr;
714 u8 flags;
715#define IPR_SCSI_ATTR_ENABLE_QAS 0x80
716#define IPR_SCSI_ATTR_DISABLE_QAS 0x40
717#define IPR_SCSI_ATTR_QAS_MASK 0xC0
718#define IPR_SCSI_ATTR_ENABLE_TM 0x20
719#define IPR_SCSI_ATTR_NO_TERM_PWR 0x10
720#define IPR_SCSI_ATTR_TM_SUPPORTED 0x08
721#define IPR_SCSI_ATTR_LVD_TO_SE_NOT_ALLOWED 0x04
722
723 u8 scsi_id;
724 u8 bus_width;
725 u8 extended_reset_delay;
726#define IPR_EXTENDED_RESET_DELAY 7
727
728 __be32 max_xfer_rate;
729
730 u8 spinup_delay;
731 u8 reserved3;
732 __be16 reserved4;
733}__attribute__((packed, aligned (4)));
734
735struct ipr_mode_page28 {
736 struct ipr_mode_page_hdr hdr;
737 u8 num_entries;
738 u8 entry_length;
739 struct ipr_dev_bus_entry bus[0];
740}__attribute__((packed));
741
742struct ipr_mode_page24 {
743 struct ipr_mode_page_hdr hdr;
744 u8 flags;
745#define IPR_ENABLE_DUAL_IOA_AF 0x80
746}__attribute__((packed));
747
748struct ipr_ioa_vpd {
749 struct ipr_std_inq_data std_inq_data;
750 u8 ascii_part_num[12];
751 u8 reserved[40];
752 u8 ascii_plant_code[4];
753}__attribute__((packed));
754
755struct ipr_inquiry_page3 {
756 u8 peri_qual_dev_type;
757 u8 page_code;
758 u8 reserved1;
759 u8 page_length;
760 u8 ascii_len;
761 u8 reserved2[3];
762 u8 load_id[4];
763 u8 major_release;
764 u8 card_type;
765 u8 minor_release[2];
766 u8 ptf_number[4];
767 u8 patch_number[4];
768}__attribute__((packed));
769
770struct ipr_inquiry_cap {
771 u8 peri_qual_dev_type;
772 u8 page_code;
773 u8 reserved1;
774 u8 page_length;
775 u8 ascii_len;
776 u8 reserved2;
777 u8 sis_version[2];
778 u8 cap;
779#define IPR_CAP_DUAL_IOA_RAID 0x80
780 u8 reserved3[15];
781}__attribute__((packed));
782
783#define IPR_INQUIRY_PAGE0_ENTRIES 20
784struct ipr_inquiry_page0 {
785 u8 peri_qual_dev_type;
786 u8 page_code;
787 u8 reserved1;
788 u8 len;
789 u8 page[IPR_INQUIRY_PAGE0_ENTRIES];
790}__attribute__((packed));
791
792struct ipr_hostrcb_device_data_entry {
793 struct ipr_vpd vpd;
794 struct ipr_res_addr dev_res_addr;
795 struct ipr_vpd new_vpd;
796 struct ipr_vpd ioa_last_with_dev_vpd;
797 struct ipr_vpd cfc_last_with_dev_vpd;
798 __be32 ioa_data[5];
799}__attribute__((packed, aligned (4)));
800
801struct ipr_hostrcb_device_data_entry_enhanced {
802 struct ipr_ext_vpd vpd;
803 u8 ccin[4];
804 struct ipr_res_addr dev_res_addr;
805 struct ipr_ext_vpd new_vpd;
806 u8 new_ccin[4];
807 struct ipr_ext_vpd ioa_last_with_dev_vpd;
808 struct ipr_ext_vpd cfc_last_with_dev_vpd;
809}__attribute__((packed, aligned (4)));
810
811struct ipr_hostrcb64_device_data_entry_enhanced {
812 struct ipr_ext_vpd vpd;
813 u8 ccin[4];
814 u8 res_path[8];
815 struct ipr_ext_vpd new_vpd;
816 u8 new_ccin[4];
817 struct ipr_ext_vpd ioa_last_with_dev_vpd;
818 struct ipr_ext_vpd cfc_last_with_dev_vpd;
819}__attribute__((packed, aligned (4)));
820
821struct ipr_hostrcb_array_data_entry {
822 struct ipr_vpd vpd;
823 struct ipr_res_addr expected_dev_res_addr;
824 struct ipr_res_addr dev_res_addr;
825}__attribute__((packed, aligned (4)));
826
827struct ipr_hostrcb64_array_data_entry {
828 struct ipr_ext_vpd vpd;
829 u8 ccin[4];
830 u8 expected_res_path[8];
831 u8 res_path[8];
832}__attribute__((packed, aligned (4)));
833
834struct ipr_hostrcb_array_data_entry_enhanced {
835 struct ipr_ext_vpd vpd;
836 u8 ccin[4];
837 struct ipr_res_addr expected_dev_res_addr;
838 struct ipr_res_addr dev_res_addr;
839}__attribute__((packed, aligned (4)));
840
841struct ipr_hostrcb_type_ff_error {
842 __be32 ioa_data[758];
843}__attribute__((packed, aligned (4)));
844
845struct ipr_hostrcb_type_01_error {
846 __be32 seek_counter;
847 __be32 read_counter;
848 u8 sense_data[32];
849 __be32 ioa_data[236];
850}__attribute__((packed, aligned (4)));
851
852struct ipr_hostrcb_type_02_error {
853 struct ipr_vpd ioa_vpd;
854 struct ipr_vpd cfc_vpd;
855 struct ipr_vpd ioa_last_attached_to_cfc_vpd;
856 struct ipr_vpd cfc_last_attached_to_ioa_vpd;
857 __be32 ioa_data[3];
858}__attribute__((packed, aligned (4)));
859
860struct ipr_hostrcb_type_12_error {
861 struct ipr_ext_vpd ioa_vpd;
862 struct ipr_ext_vpd cfc_vpd;
863 struct ipr_ext_vpd ioa_last_attached_to_cfc_vpd;
864 struct ipr_ext_vpd cfc_last_attached_to_ioa_vpd;
865 __be32 ioa_data[3];
866}__attribute__((packed, aligned (4)));
867
868struct ipr_hostrcb_type_03_error {
869 struct ipr_vpd ioa_vpd;
870 struct ipr_vpd cfc_vpd;
871 __be32 errors_detected;
872 __be32 errors_logged;
873 u8 ioa_data[12];
874 struct ipr_hostrcb_device_data_entry dev[3];
875}__attribute__((packed, aligned (4)));
876
877struct ipr_hostrcb_type_13_error {
878 struct ipr_ext_vpd ioa_vpd;
879 struct ipr_ext_vpd cfc_vpd;
880 __be32 errors_detected;
881 __be32 errors_logged;
882 struct ipr_hostrcb_device_data_entry_enhanced dev[3];
883}__attribute__((packed, aligned (4)));
884
885struct ipr_hostrcb_type_23_error {
886 struct ipr_ext_vpd ioa_vpd;
887 struct ipr_ext_vpd cfc_vpd;
888 __be32 errors_detected;
889 __be32 errors_logged;
890 struct ipr_hostrcb64_device_data_entry_enhanced dev[3];
891}__attribute__((packed, aligned (4)));
892
893struct ipr_hostrcb_type_04_error {
894 struct ipr_vpd ioa_vpd;
895 struct ipr_vpd cfc_vpd;
896 u8 ioa_data[12];
897 struct ipr_hostrcb_array_data_entry array_member[10];
898 __be32 exposed_mode_adn;
899 __be32 array_id;
900 struct ipr_vpd incomp_dev_vpd;
901 __be32 ioa_data2;
902 struct ipr_hostrcb_array_data_entry array_member2[8];
903 struct ipr_res_addr last_func_vset_res_addr;
904 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
905 u8 protection_level[8];
906}__attribute__((packed, aligned (4)));
907
908struct ipr_hostrcb_type_14_error {
909 struct ipr_ext_vpd ioa_vpd;
910 struct ipr_ext_vpd cfc_vpd;
911 __be32 exposed_mode_adn;
912 __be32 array_id;
913 struct ipr_res_addr last_func_vset_res_addr;
914 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
915 u8 protection_level[8];
916 __be32 num_entries;
917 struct ipr_hostrcb_array_data_entry_enhanced array_member[18];
918}__attribute__((packed, aligned (4)));
919
920struct ipr_hostrcb_type_24_error {
921 struct ipr_ext_vpd ioa_vpd;
922 struct ipr_ext_vpd cfc_vpd;
923 u8 reserved[2];
924 u8 exposed_mode_adn;
925#define IPR_INVALID_ARRAY_DEV_NUM 0xff
926 u8 array_id;
927 u8 last_res_path[8];
928 u8 protection_level[8];
929 struct ipr_ext_vpd64 array_vpd;
930 u8 description[16];
931 u8 reserved2[3];
932 u8 num_entries;
933 struct ipr_hostrcb64_array_data_entry array_member[32];
934}__attribute__((packed, aligned (4)));
935
936struct ipr_hostrcb_type_07_error {
937 u8 failure_reason[64];
938 struct ipr_vpd vpd;
939 u32 data[222];
940}__attribute__((packed, aligned (4)));
941
942struct ipr_hostrcb_type_17_error {
943 u8 failure_reason[64];
944 struct ipr_ext_vpd vpd;
945 u32 data[476];
946}__attribute__((packed, aligned (4)));
947
948struct ipr_hostrcb_config_element {
949 u8 type_status;
950#define IPR_PATH_CFG_TYPE_MASK 0xF0
951#define IPR_PATH_CFG_NOT_EXIST 0x00
952#define IPR_PATH_CFG_IOA_PORT 0x10
953#define IPR_PATH_CFG_EXP_PORT 0x20
954#define IPR_PATH_CFG_DEVICE_PORT 0x30
955#define IPR_PATH_CFG_DEVICE_LUN 0x40
956
957#define IPR_PATH_CFG_STATUS_MASK 0x0F
958#define IPR_PATH_CFG_NO_PROB 0x00
959#define IPR_PATH_CFG_DEGRADED 0x01
960#define IPR_PATH_CFG_FAILED 0x02
961#define IPR_PATH_CFG_SUSPECT 0x03
962#define IPR_PATH_NOT_DETECTED 0x04
963#define IPR_PATH_INCORRECT_CONN 0x05
964
965 u8 cascaded_expander;
966 u8 phy;
967 u8 link_rate;
968#define IPR_PHY_LINK_RATE_MASK 0x0F
969
970 __be32 wwid[2];
971}__attribute__((packed, aligned (4)));
972
973struct ipr_hostrcb64_config_element {
974 __be16 length;
975 u8 descriptor_id;
976#define IPR_DESCRIPTOR_MASK 0xC0
977#define IPR_DESCRIPTOR_SIS64 0x00
978
979 u8 reserved;
980 u8 type_status;
981
982 u8 reserved2[2];
983 u8 link_rate;
984
985 u8 res_path[8];
986 __be32 wwid[2];
987}__attribute__((packed, aligned (8)));
988
989struct ipr_hostrcb_fabric_desc {
990 __be16 length;
991 u8 ioa_port;
992 u8 cascaded_expander;
993 u8 phy;
994 u8 path_state;
995#define IPR_PATH_ACTIVE_MASK 0xC0
996#define IPR_PATH_NO_INFO 0x00
997#define IPR_PATH_ACTIVE 0x40
998#define IPR_PATH_NOT_ACTIVE 0x80
999
1000#define IPR_PATH_STATE_MASK 0x0F
1001#define IPR_PATH_STATE_NO_INFO 0x00
1002#define IPR_PATH_HEALTHY 0x01
1003#define IPR_PATH_DEGRADED 0x02
1004#define IPR_PATH_FAILED 0x03
1005
1006 __be16 num_entries;
1007 struct ipr_hostrcb_config_element elem[1];
1008}__attribute__((packed, aligned (4)));
1009
1010struct ipr_hostrcb64_fabric_desc {
1011 __be16 length;
1012 u8 descriptor_id;
1013
1014 u8 reserved[2];
1015 u8 path_state;
1016
1017 u8 reserved2[2];
1018 u8 res_path[8];
1019 u8 reserved3[6];
1020 __be16 num_entries;
1021 struct ipr_hostrcb64_config_element elem[1];
1022}__attribute__((packed, aligned (8)));
1023
1024#define for_each_fabric_cfg(fabric, cfg) \
1025 for (cfg = (fabric)->elem; \
1026 cfg < ((fabric)->elem + be16_to_cpu((fabric)->num_entries)); \
1027 cfg++)
1028
1029struct ipr_hostrcb_type_20_error {
1030 u8 failure_reason[64];
1031 u8 reserved[3];
1032 u8 num_entries;
1033 struct ipr_hostrcb_fabric_desc desc[1];
1034}__attribute__((packed, aligned (4)));
1035
1036struct ipr_hostrcb_type_30_error {
1037 u8 failure_reason[64];
1038 u8 reserved[3];
1039 u8 num_entries;
1040 struct ipr_hostrcb64_fabric_desc desc[1];
1041}__attribute__((packed, aligned (4)));
1042
1043struct ipr_hostrcb_error {
1044 __be32 fd_ioasc;
1045 struct ipr_res_addr fd_res_addr;
1046 __be32 fd_res_handle;
1047 __be32 prc;
1048 union {
1049 struct ipr_hostrcb_type_ff_error type_ff_error;
1050 struct ipr_hostrcb_type_01_error type_01_error;
1051 struct ipr_hostrcb_type_02_error type_02_error;
1052 struct ipr_hostrcb_type_03_error type_03_error;
1053 struct ipr_hostrcb_type_04_error type_04_error;
1054 struct ipr_hostrcb_type_07_error type_07_error;
1055 struct ipr_hostrcb_type_12_error type_12_error;
1056 struct ipr_hostrcb_type_13_error type_13_error;
1057 struct ipr_hostrcb_type_14_error type_14_error;
1058 struct ipr_hostrcb_type_17_error type_17_error;
1059 struct ipr_hostrcb_type_20_error type_20_error;
1060 } u;
1061}__attribute__((packed, aligned (4)));
1062
1063struct ipr_hostrcb64_error {
1064 __be32 fd_ioasc;
1065 __be32 ioa_fw_level;
1066 __be32 fd_res_handle;
1067 __be32 prc;
1068 __be64 fd_dev_id;
1069 __be64 fd_lun;
1070 u8 fd_res_path[8];
1071 __be64 time_stamp;
1072 u8 reserved[16];
1073 union {
1074 struct ipr_hostrcb_type_ff_error type_ff_error;
1075 struct ipr_hostrcb_type_12_error type_12_error;
1076 struct ipr_hostrcb_type_17_error type_17_error;
1077 struct ipr_hostrcb_type_23_error type_23_error;
1078 struct ipr_hostrcb_type_24_error type_24_error;
1079 struct ipr_hostrcb_type_30_error type_30_error;
1080 } u;
1081}__attribute__((packed, aligned (8)));
1082
1083struct ipr_hostrcb_raw {
1084 __be32 data[sizeof(struct ipr_hostrcb_error)/sizeof(__be32)];
1085}__attribute__((packed, aligned (4)));
1086
1087struct ipr_hcam {
1088 u8 op_code;
1089#define IPR_HOST_RCB_OP_CODE_CONFIG_CHANGE 0xE1
1090#define IPR_HOST_RCB_OP_CODE_LOG_DATA 0xE2
1091
1092 u8 notify_type;
1093#define IPR_HOST_RCB_NOTIF_TYPE_EXISTING_CHANGED 0x00
1094#define IPR_HOST_RCB_NOTIF_TYPE_NEW_ENTRY 0x01
1095#define IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY 0x02
1096#define IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY 0x10
1097#define IPR_HOST_RCB_NOTIF_TYPE_INFORMATION_ENTRY 0x11
1098
1099 u8 notifications_lost;
1100#define IPR_HOST_RCB_NO_NOTIFICATIONS_LOST 0
1101#define IPR_HOST_RCB_NOTIFICATIONS_LOST 0x80
1102
1103 u8 flags;
1104#define IPR_HOSTRCB_INTERNAL_OPER 0x80
1105#define IPR_HOSTRCB_ERR_RESP_SENT 0x40
1106
1107 u8 overlay_id;
1108#define IPR_HOST_RCB_OVERLAY_ID_1 0x01
1109#define IPR_HOST_RCB_OVERLAY_ID_2 0x02
1110#define IPR_HOST_RCB_OVERLAY_ID_3 0x03
1111#define IPR_HOST_RCB_OVERLAY_ID_4 0x04
1112#define IPR_HOST_RCB_OVERLAY_ID_6 0x06
1113#define IPR_HOST_RCB_OVERLAY_ID_7 0x07
1114#define IPR_HOST_RCB_OVERLAY_ID_12 0x12
1115#define IPR_HOST_RCB_OVERLAY_ID_13 0x13
1116#define IPR_HOST_RCB_OVERLAY_ID_14 0x14
1117#define IPR_HOST_RCB_OVERLAY_ID_16 0x16
1118#define IPR_HOST_RCB_OVERLAY_ID_17 0x17
1119#define IPR_HOST_RCB_OVERLAY_ID_20 0x20
1120#define IPR_HOST_RCB_OVERLAY_ID_23 0x23
1121#define IPR_HOST_RCB_OVERLAY_ID_24 0x24
1122#define IPR_HOST_RCB_OVERLAY_ID_26 0x26
1123#define IPR_HOST_RCB_OVERLAY_ID_30 0x30
1124#define IPR_HOST_RCB_OVERLAY_ID_DEFAULT 0xFF
1125
1126 u8 reserved1[3];
1127 __be32 ilid;
1128 __be32 time_since_last_ioa_reset;
1129 __be32 reserved2;
1130 __be32 length;
1131
1132 union {
1133 struct ipr_hostrcb_error error;
1134 struct ipr_hostrcb64_error error64;
1135 struct ipr_hostrcb_cfg_ch_not ccn;
1136 struct ipr_hostrcb_raw raw;
1137 } u;
1138}__attribute__((packed, aligned (4)));
1139
1140struct ipr_hostrcb {
1141 struct ipr_hcam hcam;
1142 dma_addr_t hostrcb_dma;
1143 struct list_head queue;
1144 struct ipr_ioa_cfg *ioa_cfg;
1145 char rp_buffer[IPR_MAX_RES_PATH_LENGTH];
1146};
1147
1148/* IPR smart dump table structures */
1149struct ipr_sdt_entry {
1150 __be32 start_token;
1151 __be32 end_token;
1152 u8 reserved[4];
1153
1154 u8 flags;
1155#define IPR_SDT_ENDIAN 0x80
1156#define IPR_SDT_VALID_ENTRY 0x20
1157
1158 u8 resv;
1159 __be16 priority;
1160}__attribute__((packed, aligned (4)));
1161
1162struct ipr_sdt_header {
1163 __be32 state;
1164 __be32 num_entries;
1165 __be32 num_entries_used;
1166 __be32 dump_size;
1167}__attribute__((packed, aligned (4)));
1168
1169struct ipr_sdt {
1170 struct ipr_sdt_header hdr;
1171 struct ipr_sdt_entry entry[IPR_FMT3_NUM_SDT_ENTRIES];
1172}__attribute__((packed, aligned (4)));
1173
1174struct ipr_uc_sdt {
1175 struct ipr_sdt_header hdr;
1176 struct ipr_sdt_entry entry[1];
1177}__attribute__((packed, aligned (4)));
1178
1179/*
1180 * Driver types
1181 */
1182struct ipr_bus_attributes {
1183 u8 bus;
1184 u8 qas_enabled;
1185 u8 bus_width;
1186 u8 reserved;
1187 u32 max_xfer_rate;
1188};
1189
1190struct ipr_sata_port {
1191 struct ipr_ioa_cfg *ioa_cfg;
1192 struct ata_port *ap;
1193 struct ipr_resource_entry *res;
1194 struct ipr_ioasa_gata ioasa;
1195};
1196
1197struct ipr_resource_entry {
1198 u8 needs_sync_complete:1;
1199 u8 in_erp:1;
1200 u8 add_to_ml:1;
1201 u8 del_from_ml:1;
1202 u8 resetting_device:1;
1203
1204 u32 bus; /* AKA channel */
1205 u32 target; /* AKA id */
1206 u32 lun;
1207#define IPR_ARRAY_VIRTUAL_BUS 0x1
1208#define IPR_VSET_VIRTUAL_BUS 0x2
1209#define IPR_IOAFP_VIRTUAL_BUS 0x3
1210
1211#define IPR_GET_RES_PHYS_LOC(res) \
1212 (((res)->bus << 24) | ((res)->target << 8) | (res)->lun)
1213
1214 u8 ata_class;
1215
1216 u8 flags;
1217 __be16 res_flags;
1218
1219 u8 type;
1220
1221 u8 qmodel;
1222 struct ipr_std_inq_data std_inq_data;
1223
1224 __be32 res_handle;
1225 __be64 dev_id;
1226 __be64 lun_wwn;
1227 struct scsi_lun dev_lun;
1228 u8 res_path[8];
1229
1230 struct ipr_ioa_cfg *ioa_cfg;
1231 struct scsi_device *sdev;
1232 struct ipr_sata_port *sata_port;
1233 struct list_head queue;
1234}; /* struct ipr_resource_entry */
1235
1236struct ipr_resource_hdr {
1237 u16 num_entries;
1238 u16 reserved;
1239};
1240
1241struct ipr_misc_cbs {
1242 struct ipr_ioa_vpd ioa_vpd;
1243 struct ipr_inquiry_page0 page0_data;
1244 struct ipr_inquiry_page3 page3_data;
1245 struct ipr_inquiry_cap cap;
1246 struct ipr_mode_pages mode_pages;
1247 struct ipr_supported_device supp_dev;
1248};
1249
1250struct ipr_interrupt_offsets {
1251 unsigned long set_interrupt_mask_reg;
1252 unsigned long clr_interrupt_mask_reg;
1253 unsigned long clr_interrupt_mask_reg32;
1254 unsigned long sense_interrupt_mask_reg;
1255 unsigned long sense_interrupt_mask_reg32;
1256 unsigned long clr_interrupt_reg;
1257 unsigned long clr_interrupt_reg32;
1258
1259 unsigned long sense_interrupt_reg;
1260 unsigned long sense_interrupt_reg32;
1261 unsigned long ioarrin_reg;
1262 unsigned long sense_uproc_interrupt_reg;
1263 unsigned long sense_uproc_interrupt_reg32;
1264 unsigned long set_uproc_interrupt_reg;
1265 unsigned long set_uproc_interrupt_reg32;
1266 unsigned long clr_uproc_interrupt_reg;
1267 unsigned long clr_uproc_interrupt_reg32;
1268
1269 unsigned long init_feedback_reg;
1270
1271 unsigned long dump_addr_reg;
1272 unsigned long dump_data_reg;
1273
1274#define IPR_ENDIAN_SWAP_KEY 0x00080800
1275 unsigned long endian_swap_reg;
1276};
1277
1278struct ipr_interrupts {
1279 void __iomem *set_interrupt_mask_reg;
1280 void __iomem *clr_interrupt_mask_reg;
1281 void __iomem *clr_interrupt_mask_reg32;
1282 void __iomem *sense_interrupt_mask_reg;
1283 void __iomem *sense_interrupt_mask_reg32;
1284 void __iomem *clr_interrupt_reg;
1285 void __iomem *clr_interrupt_reg32;
1286
1287 void __iomem *sense_interrupt_reg;
1288 void __iomem *sense_interrupt_reg32;
1289 void __iomem *ioarrin_reg;
1290 void __iomem *sense_uproc_interrupt_reg;
1291 void __iomem *sense_uproc_interrupt_reg32;
1292 void __iomem *set_uproc_interrupt_reg;
1293 void __iomem *set_uproc_interrupt_reg32;
1294 void __iomem *clr_uproc_interrupt_reg;
1295 void __iomem *clr_uproc_interrupt_reg32;
1296
1297 void __iomem *init_feedback_reg;
1298
1299 void __iomem *dump_addr_reg;
1300 void __iomem *dump_data_reg;
1301
1302 void __iomem *endian_swap_reg;
1303};
1304
1305struct ipr_chip_cfg_t {
1306 u32 mailbox;
1307 u8 cache_line_size;
1308 struct ipr_interrupt_offsets regs;
1309};
1310
1311struct ipr_chip_t {
1312 u16 vendor;
1313 u16 device;
1314 u16 intr_type;
1315#define IPR_USE_LSI 0x00
1316#define IPR_USE_MSI 0x01
1317 u16 sis_type;
1318#define IPR_SIS32 0x00
1319#define IPR_SIS64 0x01
1320 u16 bist_method;
1321#define IPR_PCI_CFG 0x00
1322#define IPR_MMIO 0x01
1323 const struct ipr_chip_cfg_t *cfg;
1324};
1325
1326enum ipr_shutdown_type {
1327 IPR_SHUTDOWN_NORMAL = 0x00,
1328 IPR_SHUTDOWN_PREPARE_FOR_NORMAL = 0x40,
1329 IPR_SHUTDOWN_ABBREV = 0x80,
1330 IPR_SHUTDOWN_NONE = 0x100
1331};
1332
1333struct ipr_trace_entry {
1334 u32 time;
1335
1336 u8 op_code;
1337 u8 ata_op_code;
1338 u8 type;
1339#define IPR_TRACE_START 0x00
1340#define IPR_TRACE_FINISH 0xff
1341 u8 cmd_index;
1342
1343 __be32 res_handle;
1344 union {
1345 u32 ioasc;
1346 u32 add_data;
1347 u32 res_addr;
1348 } u;
1349};
1350
1351struct ipr_sglist {
1352 u32 order;
1353 u32 num_sg;
1354 u32 num_dma_sg;
1355 u32 buffer_len;
1356 struct scatterlist scatterlist[1];
1357};
1358
1359enum ipr_sdt_state {
1360 INACTIVE,
1361 WAIT_FOR_DUMP,
1362 GET_DUMP,
1363 ABORT_DUMP,
1364 DUMP_OBTAINED
1365};
1366
1367/* Per-controller data */
1368struct ipr_ioa_cfg {
1369 char eye_catcher[8];
1370#define IPR_EYECATCHER "iprcfg"
1371
1372 struct list_head queue;
1373
1374 u8 allow_interrupts:1;
1375 u8 in_reset_reload:1;
1376 u8 in_ioa_bringdown:1;
1377 u8 ioa_unit_checked:1;
1378 u8 ioa_is_dead:1;
1379 u8 dump_taken:1;
1380 u8 allow_cmds:1;
1381 u8 allow_ml_add_del:1;
1382 u8 needs_hard_reset:1;
1383 u8 dual_raid:1;
1384 u8 needs_warm_reset:1;
1385 u8 msi_received:1;
1386 u8 sis64:1;
1387
1388 u8 revid;
1389
1390 /*
1391 * Bitmaps for SIS64 generated target values
1392 */
1393 unsigned long *target_ids;
1394 unsigned long *array_ids;
1395 unsigned long *vset_ids;
1396
1397 u16 type; /* CCIN of the card */
1398
1399 u8 log_level;
1400#define IPR_MAX_LOG_LEVEL 4
1401#define IPR_DEFAULT_LOG_LEVEL 2
1402
1403#define IPR_NUM_TRACE_INDEX_BITS 8
1404#define IPR_NUM_TRACE_ENTRIES (1 << IPR_NUM_TRACE_INDEX_BITS)
1405#define IPR_TRACE_SIZE (sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES)
1406 char trace_start[8];
1407#define IPR_TRACE_START_LABEL "trace"
1408 struct ipr_trace_entry *trace;
1409 u32 trace_index:IPR_NUM_TRACE_INDEX_BITS;
1410
1411 /*
1412 * Queue for free command blocks
1413 */
1414 char ipr_free_label[8];
1415#define IPR_FREEQ_LABEL "free-q"
1416 struct list_head free_q;
1417
1418 /*
1419 * Queue for command blocks outstanding to the adapter
1420 */
1421 char ipr_pending_label[8];
1422#define IPR_PENDQ_LABEL "pend-q"
1423 struct list_head pending_q;
1424
1425 char cfg_table_start[8];
1426#define IPR_CFG_TBL_START "cfg"
1427 union {
1428 struct ipr_config_table *cfg_table;
1429 struct ipr_config_table64 *cfg_table64;
1430 } u;
1431 dma_addr_t cfg_table_dma;
1432 u32 cfg_table_size;
1433 u32 max_devs_supported;
1434
1435 char resource_table_label[8];
1436#define IPR_RES_TABLE_LABEL "res_tbl"
1437 struct ipr_resource_entry *res_entries;
1438 struct list_head free_res_q;
1439 struct list_head used_res_q;
1440
1441 char ipr_hcam_label[8];
1442#define IPR_HCAM_LABEL "hcams"
1443 struct ipr_hostrcb *hostrcb[IPR_NUM_HCAMS];
1444 dma_addr_t hostrcb_dma[IPR_NUM_HCAMS];
1445 struct list_head hostrcb_free_q;
1446 struct list_head hostrcb_pending_q;
1447
1448 __be32 *host_rrq;
1449 dma_addr_t host_rrq_dma;
1450#define IPR_HRRQ_REQ_RESP_HANDLE_MASK 0xfffffffc
1451#define IPR_HRRQ_RESP_BIT_SET 0x00000002
1452#define IPR_HRRQ_TOGGLE_BIT 0x00000001
1453#define IPR_HRRQ_REQ_RESP_HANDLE_SHIFT 2
1454 volatile __be32 *hrrq_start;
1455 volatile __be32 *hrrq_end;
1456 volatile __be32 *hrrq_curr;
1457 volatile u32 toggle_bit;
1458
1459 struct ipr_bus_attributes bus_attr[IPR_MAX_NUM_BUSES];
1460
1461 unsigned int transop_timeout;
1462 const struct ipr_chip_cfg_t *chip_cfg;
1463 const struct ipr_chip_t *ipr_chip;
1464
1465 void __iomem *hdw_dma_regs; /* iomapped PCI memory space */
1466 unsigned long hdw_dma_regs_pci; /* raw PCI memory space */
1467 void __iomem *ioa_mailbox;
1468 struct ipr_interrupts regs;
1469
1470 u16 saved_pcix_cmd_reg;
1471 u16 reset_retries;
1472
1473 u32 errors_logged;
1474 u32 doorbell;
1475
1476 struct Scsi_Host *host;
1477 struct pci_dev *pdev;
1478 struct ipr_sglist *ucode_sglist;
1479 u8 saved_mode_page_len;
1480
1481 struct work_struct work_q;
1482
1483 wait_queue_head_t reset_wait_q;
1484 wait_queue_head_t msi_wait_q;
1485
1486 struct ipr_dump *dump;
1487 enum ipr_sdt_state sdt_state;
1488
1489 struct ipr_misc_cbs *vpd_cbs;
1490 dma_addr_t vpd_cbs_dma;
1491
1492 struct pci_pool *ipr_cmd_pool;
1493
1494 struct ipr_cmnd *reset_cmd;
1495 int (*reset) (struct ipr_cmnd *);
1496
1497 struct ata_host ata_host;
1498 char ipr_cmd_label[8];
1499#define IPR_CMD_LABEL "ipr_cmd"
1500 struct ipr_cmnd *ipr_cmnd_list[IPR_NUM_CMD_BLKS];
1501 dma_addr_t ipr_cmnd_list_dma[IPR_NUM_CMD_BLKS];
1502}; /* struct ipr_ioa_cfg */
1503
1504struct ipr_cmnd {
1505 struct ipr_ioarcb ioarcb;
1506 union {
1507 struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
1508 struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
1509 struct ipr_ata64_ioadl ata_ioadl;
1510 } i;
1511 union {
1512 struct ipr_ioasa ioasa;
1513 struct ipr_ioasa64 ioasa64;
1514 } s;
1515 struct list_head queue;
1516 struct scsi_cmnd *scsi_cmd;
1517 struct ata_queued_cmd *qc;
1518 struct completion completion;
1519 struct timer_list timer;
1520 void (*done) (struct ipr_cmnd *);
1521 int (*job_step) (struct ipr_cmnd *);
1522 int (*job_step_failed) (struct ipr_cmnd *);
1523 u16 cmd_index;
1524 u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
1525 dma_addr_t sense_buffer_dma;
1526 unsigned short dma_use_sg;
1527 dma_addr_t dma_addr;
1528 struct ipr_cmnd *sibling;
1529 union {
1530 enum ipr_shutdown_type shutdown_type;
1531 struct ipr_hostrcb *hostrcb;
1532 unsigned long time_left;
1533 unsigned long scratch;
1534 struct ipr_resource_entry *res;
1535 struct scsi_device *sdev;
1536 } u;
1537
1538 struct ipr_ioa_cfg *ioa_cfg;
1539};
1540
1541struct ipr_ses_table_entry {
1542 char product_id[17];
1543 char compare_product_id_byte[17];
1544 u32 max_bus_speed_limit; /* MB/sec limit for this backplane */
1545};
1546
1547struct ipr_dump_header {
1548 u32 eye_catcher;
1549#define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1550 u32 len;
1551 u32 num_entries;
1552 u32 first_entry_offset;
1553 u32 status;
1554#define IPR_DUMP_STATUS_SUCCESS 0
1555#define IPR_DUMP_STATUS_QUAL_SUCCESS 2
1556#define IPR_DUMP_STATUS_FAILED 0xffffffff
1557 u32 os;
1558#define IPR_DUMP_OS_LINUX 0x4C4E5558
1559 u32 driver_name;
1560#define IPR_DUMP_DRIVER_NAME 0x49505232
1561}__attribute__((packed, aligned (4)));
1562
1563struct ipr_dump_entry_header {
1564 u32 eye_catcher;
1565#define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1566 u32 len;
1567 u32 num_elems;
1568 u32 offset;
1569 u32 data_type;
1570#define IPR_DUMP_DATA_TYPE_ASCII 0x41534349
1571#define IPR_DUMP_DATA_TYPE_BINARY 0x42494E41
1572 u32 id;
1573#define IPR_DUMP_IOA_DUMP_ID 0x494F4131
1574#define IPR_DUMP_LOCATION_ID 0x4C4F4341
1575#define IPR_DUMP_TRACE_ID 0x54524143
1576#define IPR_DUMP_DRIVER_VERSION_ID 0x44525652
1577#define IPR_DUMP_DRIVER_TYPE_ID 0x54595045
1578#define IPR_DUMP_IOA_CTRL_BLK 0x494F4342
1579#define IPR_DUMP_PEND_OPS 0x414F5053
1580 u32 status;
1581}__attribute__((packed, aligned (4)));
1582
1583struct ipr_dump_location_entry {
1584 struct ipr_dump_entry_header hdr;
1585 u8 location[20];
1586}__attribute__((packed));
1587
1588struct ipr_dump_trace_entry {
1589 struct ipr_dump_entry_header hdr;
1590 u32 trace[IPR_TRACE_SIZE / sizeof(u32)];
1591}__attribute__((packed, aligned (4)));
1592
1593struct ipr_dump_version_entry {
1594 struct ipr_dump_entry_header hdr;
1595 u8 version[sizeof(IPR_DRIVER_VERSION)];
1596};
1597
1598struct ipr_dump_ioa_type_entry {
1599 struct ipr_dump_entry_header hdr;
1600 u32 type;
1601 u32 fw_version;
1602};
1603
1604struct ipr_driver_dump {
1605 struct ipr_dump_header hdr;
1606 struct ipr_dump_version_entry version_entry;
1607 struct ipr_dump_location_entry location_entry;
1608 struct ipr_dump_ioa_type_entry ioa_type_entry;
1609 struct ipr_dump_trace_entry trace_entry;
1610}__attribute__((packed));
1611
1612struct ipr_ioa_dump {
1613 struct ipr_dump_entry_header hdr;
1614 struct ipr_sdt sdt;
1615 __be32 **ioa_data;
1616 u32 reserved;
1617 u32 next_page_index;
1618 u32 page_offset;
1619 u32 format;
1620}__attribute__((packed, aligned (4)));
1621
1622struct ipr_dump {
1623 struct kref kref;
1624 struct ipr_ioa_cfg *ioa_cfg;
1625 struct ipr_driver_dump driver_dump;
1626 struct ipr_ioa_dump ioa_dump;
1627};
1628
1629struct ipr_error_table_t {
1630 u32 ioasc;
1631 int log_ioasa;
1632 int log_hcam;
1633 char *error;
1634};
1635
1636struct ipr_software_inq_lid_info {
1637 __be32 load_id;
1638 __be32 timestamp[3];
1639}__attribute__((packed, aligned (4)));
1640
1641struct ipr_ucode_image_header {
1642 __be32 header_length;
1643 __be32 lid_table_offset;
1644 u8 major_release;
1645 u8 card_type;
1646 u8 minor_release[2];
1647 u8 reserved[20];
1648 char eyecatcher[16];
1649 __be32 num_lids;
1650 struct ipr_software_inq_lid_info lid[1];
1651}__attribute__((packed, aligned (4)));
1652
1653/*
1654 * Macros
1655 */
1656#define IPR_DBG_CMD(CMD) if (ipr_debug) { CMD; }
1657
1658#ifdef CONFIG_SCSI_IPR_TRACE
1659#define ipr_create_trace_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1660#define ipr_remove_trace_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1661#else
1662#define ipr_create_trace_file(kobj, attr) 0
1663#define ipr_remove_trace_file(kobj, attr) do { } while(0)
1664#endif
1665
1666#ifdef CONFIG_SCSI_IPR_DUMP
1667#define ipr_create_dump_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1668#define ipr_remove_dump_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1669#else
1670#define ipr_create_dump_file(kobj, attr) 0
1671#define ipr_remove_dump_file(kobj, attr) do { } while(0)
1672#endif
1673
1674/*
1675 * Error logging macros
1676 */
1677#define ipr_err(...) printk(KERN_ERR IPR_NAME ": "__VA_ARGS__)
1678#define ipr_info(...) printk(KERN_INFO IPR_NAME ": "__VA_ARGS__)
1679#define ipr_dbg(...) IPR_DBG_CMD(printk(KERN_INFO IPR_NAME ": "__VA_ARGS__))
1680
1681#define ipr_res_printk(level, ioa_cfg, bus, target, lun, fmt, ...) \
1682 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1683 bus, target, lun, ##__VA_ARGS__)
1684
1685#define ipr_res_err(ioa_cfg, res, fmt, ...) \
1686 ipr_res_printk(KERN_ERR, ioa_cfg, (res)->bus, (res)->target, (res)->lun, fmt, ##__VA_ARGS__)
1687
1688#define ipr_ra_printk(level, ioa_cfg, ra, fmt, ...) \
1689 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1690 (ra).bus, (ra).target, (ra).lun, ##__VA_ARGS__)
1691
1692#define ipr_ra_err(ioa_cfg, ra, fmt, ...) \
1693 ipr_ra_printk(KERN_ERR, ioa_cfg, ra, fmt, ##__VA_ARGS__)
1694
1695#define ipr_phys_res_err(ioa_cfg, res, fmt, ...) \
1696{ \
1697 if ((res).bus >= IPR_MAX_NUM_BUSES) { \
1698 ipr_err(fmt": unknown\n", ##__VA_ARGS__); \
1699 } else { \
1700 ipr_err(fmt": %d:%d:%d:%d\n", \
1701 ##__VA_ARGS__, (ioa_cfg)->host->host_no, \
1702 (res).bus, (res).target, (res).lun); \
1703 } \
1704}
1705
1706#define ipr_hcam_err(hostrcb, fmt, ...) \
1707{ \
1708 if (ipr_is_device(hostrcb)) { \
1709 if ((hostrcb)->ioa_cfg->sis64) { \
1710 printk(KERN_ERR IPR_NAME ": %s: " fmt, \
1711 ipr_format_res_path(hostrcb->hcam.u.error64.fd_res_path, \
1712 hostrcb->rp_buffer, \
1713 sizeof(hostrcb->rp_buffer)), \
1714 __VA_ARGS__); \
1715 } else { \
1716 ipr_ra_err((hostrcb)->ioa_cfg, \
1717 (hostrcb)->hcam.u.error.fd_res_addr, \
1718 fmt, __VA_ARGS__); \
1719 } \
1720 } else { \
1721 dev_err(&(hostrcb)->ioa_cfg->pdev->dev, fmt, __VA_ARGS__); \
1722 } \
1723}
1724
1725#define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
1726 __FILE__, __func__, __LINE__)
1727
1728#define ENTER IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Entering %s\n", __func__))
1729#define LEAVE IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Leaving %s\n", __func__))
1730
1731#define ipr_err_separator \
1732ipr_err("----------------------------------------------------------\n")
1733
1734
1735/*
1736 * Inlines
1737 */
1738
1739/**
1740 * ipr_is_ioa_resource - Determine if a resource is the IOA
1741 * @res: resource entry struct
1742 *
1743 * Return value:
1744 * 1 if IOA / 0 if not IOA
1745 **/
1746static inline int ipr_is_ioa_resource(struct ipr_resource_entry *res)
1747{
1748 return res->type == IPR_RES_TYPE_IOAFP;
1749}
1750
1751/**
1752 * ipr_is_af_dasd_device - Determine if a resource is an AF DASD
1753 * @res: resource entry struct
1754 *
1755 * Return value:
1756 * 1 if AF DASD / 0 if not AF DASD
1757 **/
1758static inline int ipr_is_af_dasd_device(struct ipr_resource_entry *res)
1759{
1760 return res->type == IPR_RES_TYPE_AF_DASD ||
1761 res->type == IPR_RES_TYPE_REMOTE_AF_DASD;
1762}
1763
1764/**
1765 * ipr_is_vset_device - Determine if a resource is a VSET
1766 * @res: resource entry struct
1767 *
1768 * Return value:
1769 * 1 if VSET / 0 if not VSET
1770 **/
1771static inline int ipr_is_vset_device(struct ipr_resource_entry *res)
1772{
1773 return res->type == IPR_RES_TYPE_VOLUME_SET;
1774}
1775
1776/**
1777 * ipr_is_gscsi - Determine if a resource is a generic scsi resource
1778 * @res: resource entry struct
1779 *
1780 * Return value:
1781 * 1 if GSCSI / 0 if not GSCSI
1782 **/
1783static inline int ipr_is_gscsi(struct ipr_resource_entry *res)
1784{
1785 return res->type == IPR_RES_TYPE_GENERIC_SCSI;
1786}
1787
1788/**
1789 * ipr_is_scsi_disk - Determine if a resource is a SCSI disk
1790 * @res: resource entry struct
1791 *
1792 * Return value:
1793 * 1 if SCSI disk / 0 if not SCSI disk
1794 **/
1795static inline int ipr_is_scsi_disk(struct ipr_resource_entry *res)
1796{
1797 if (ipr_is_af_dasd_device(res) ||
1798 (ipr_is_gscsi(res) && IPR_IS_DASD_DEVICE(res->std_inq_data)))
1799 return 1;
1800 else
1801 return 0;
1802}
1803
1804/**
1805 * ipr_is_gata - Determine if a resource is a generic ATA resource
1806 * @res: resource entry struct
1807 *
1808 * Return value:
1809 * 1 if GATA / 0 if not GATA
1810 **/
1811static inline int ipr_is_gata(struct ipr_resource_entry *res)
1812{
1813 return res->type == IPR_RES_TYPE_GENERIC_ATA;
1814}
1815
1816/**
1817 * ipr_is_naca_model - Determine if a resource is using NACA queueing model
1818 * @res: resource entry struct
1819 *
1820 * Return value:
1821 * 1 if NACA queueing model / 0 if not NACA queueing model
1822 **/
1823static inline int ipr_is_naca_model(struct ipr_resource_entry *res)
1824{
1825 if (ipr_is_gscsi(res) && res->qmodel == IPR_QUEUE_NACA_MODEL)
1826 return 1;
1827 return 0;
1828}
1829
1830/**
1831 * ipr_is_device - Determine if the hostrcb structure is related to a device
1832 * @hostrcb: host resource control blocks struct
1833 *
1834 * Return value:
1835 * 1 if AF / 0 if not AF
1836 **/
1837static inline int ipr_is_device(struct ipr_hostrcb *hostrcb)
1838{
1839 struct ipr_res_addr *res_addr;
1840 u8 *res_path;
1841
1842 if (hostrcb->ioa_cfg->sis64) {
1843 res_path = &hostrcb->hcam.u.error64.fd_res_path[0];
1844 if ((res_path[0] == 0x00 || res_path[0] == 0x80 ||
1845 res_path[0] == 0x81) && res_path[2] != 0xFF)
1846 return 1;
1847 } else {
1848 res_addr = &hostrcb->hcam.u.error.fd_res_addr;
1849
1850 if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
1851 (res_addr->target < (IPR_MAX_NUM_TARGETS_PER_BUS - 1)))
1852 return 1;
1853 }
1854 return 0;
1855}
1856
1857/**
1858 * ipr_sdt_is_fmt2 - Determine if a SDT address is in format 2
1859 * @sdt_word: SDT address
1860 *
1861 * Return value:
1862 * 1 if format 2 / 0 if not
1863 **/
1864static inline int ipr_sdt_is_fmt2(u32 sdt_word)
1865{
1866 u32 bar_sel = IPR_GET_FMT2_BAR_SEL(sdt_word);
1867
1868 switch (bar_sel) {
1869 case IPR_SDT_FMT2_BAR0_SEL:
1870 case IPR_SDT_FMT2_BAR1_SEL:
1871 case IPR_SDT_FMT2_BAR2_SEL:
1872 case IPR_SDT_FMT2_BAR3_SEL:
1873 case IPR_SDT_FMT2_BAR4_SEL:
1874 case IPR_SDT_FMT2_BAR5_SEL:
1875 case IPR_SDT_FMT2_EXP_ROM_SEL:
1876 return 1;
1877 };
1878
1879 return 0;
1880}
1881
1882#ifndef writeq
1883static inline void writeq(u64 val, void __iomem *addr)
1884{
1885 writel(((u32) (val >> 32)), addr);
1886 writel(((u32) (val)), (addr + 4));
1887}
1888#endif
1889
1890#endif /* _IPR_H */
1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * ipr.h -- driver for IBM Power Linux RAID adapters
4 *
5 * Written By: Brian King <brking@us.ibm.com>, IBM Corporation
6 *
7 * Copyright (C) 2003, 2004 IBM Corporation
8 *
9 * Alan Cox <alan@lxorguk.ukuu.org.uk> - Removed several careless u32/dma_addr_t errors
10 * that broke 64bit platforms.
11 */
12
13#ifndef _IPR_H
14#define _IPR_H
15
16#include <asm/unaligned.h>
17#include <linux/types.h>
18#include <linux/completion.h>
19#include <linux/libata.h>
20#include <linux/list.h>
21#include <linux/kref.h>
22#include <linux/irq_poll.h>
23#include <scsi/scsi.h>
24#include <scsi/scsi_cmnd.h>
25
26/*
27 * Literals
28 */
29#define IPR_DRIVER_VERSION "2.6.4"
30#define IPR_DRIVER_DATE "(March 14, 2017)"
31
32/*
33 * IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding
34 * ops per device for devices not running tagged command queuing.
35 * This can be adjusted at runtime through sysfs device attributes.
36 */
37#define IPR_MAX_CMD_PER_LUN 6
38#define IPR_MAX_CMD_PER_ATA_LUN 1
39
40/*
41 * IPR_NUM_BASE_CMD_BLKS: This defines the maximum number of
42 * ops the mid-layer can send to the adapter.
43 */
44#define IPR_NUM_BASE_CMD_BLKS (ioa_cfg->max_cmds)
45
46#define PCI_DEVICE_ID_IBM_OBSIDIAN_E 0x0339
47
48#define PCI_DEVICE_ID_IBM_CROC_FPGA_E2 0x033D
49#define PCI_DEVICE_ID_IBM_CROCODILE 0x034A
50#define PCI_DEVICE_ID_IBM_RATTLESNAKE 0x04DA
51
52#define IPR_SUBS_DEV_ID_2780 0x0264
53#define IPR_SUBS_DEV_ID_5702 0x0266
54#define IPR_SUBS_DEV_ID_5703 0x0278
55#define IPR_SUBS_DEV_ID_572E 0x028D
56#define IPR_SUBS_DEV_ID_573E 0x02D3
57#define IPR_SUBS_DEV_ID_573D 0x02D4
58#define IPR_SUBS_DEV_ID_571A 0x02C0
59#define IPR_SUBS_DEV_ID_571B 0x02BE
60#define IPR_SUBS_DEV_ID_571E 0x02BF
61#define IPR_SUBS_DEV_ID_571F 0x02D5
62#define IPR_SUBS_DEV_ID_572A 0x02C1
63#define IPR_SUBS_DEV_ID_572B 0x02C2
64#define IPR_SUBS_DEV_ID_572F 0x02C3
65#define IPR_SUBS_DEV_ID_574E 0x030A
66#define IPR_SUBS_DEV_ID_575B 0x030D
67#define IPR_SUBS_DEV_ID_575C 0x0338
68#define IPR_SUBS_DEV_ID_57B3 0x033A
69#define IPR_SUBS_DEV_ID_57B7 0x0360
70#define IPR_SUBS_DEV_ID_57B8 0x02C2
71
72#define IPR_SUBS_DEV_ID_57B4 0x033B
73#define IPR_SUBS_DEV_ID_57B2 0x035F
74#define IPR_SUBS_DEV_ID_57C0 0x0352
75#define IPR_SUBS_DEV_ID_57C3 0x0353
76#define IPR_SUBS_DEV_ID_57C4 0x0354
77#define IPR_SUBS_DEV_ID_57C6 0x0357
78#define IPR_SUBS_DEV_ID_57CC 0x035C
79
80#define IPR_SUBS_DEV_ID_57B5 0x033C
81#define IPR_SUBS_DEV_ID_57CE 0x035E
82#define IPR_SUBS_DEV_ID_57B1 0x0355
83
84#define IPR_SUBS_DEV_ID_574D 0x0356
85#define IPR_SUBS_DEV_ID_57C8 0x035D
86
87#define IPR_SUBS_DEV_ID_57D5 0x03FB
88#define IPR_SUBS_DEV_ID_57D6 0x03FC
89#define IPR_SUBS_DEV_ID_57D7 0x03FF
90#define IPR_SUBS_DEV_ID_57D8 0x03FE
91#define IPR_SUBS_DEV_ID_57D9 0x046D
92#define IPR_SUBS_DEV_ID_57DA 0x04CA
93#define IPR_SUBS_DEV_ID_57EB 0x0474
94#define IPR_SUBS_DEV_ID_57EC 0x0475
95#define IPR_SUBS_DEV_ID_57ED 0x0499
96#define IPR_SUBS_DEV_ID_57EE 0x049A
97#define IPR_SUBS_DEV_ID_57EF 0x049B
98#define IPR_SUBS_DEV_ID_57F0 0x049C
99#define IPR_SUBS_DEV_ID_2CCA 0x04C7
100#define IPR_SUBS_DEV_ID_2CD2 0x04C8
101#define IPR_SUBS_DEV_ID_2CCD 0x04C9
102#define IPR_SUBS_DEV_ID_580A 0x04FC
103#define IPR_SUBS_DEV_ID_580B 0x04FB
104#define IPR_NAME "ipr"
105
106/*
107 * Return codes
108 */
109#define IPR_RC_JOB_CONTINUE 1
110#define IPR_RC_JOB_RETURN 2
111
112/*
113 * IOASCs
114 */
115#define IPR_IOASC_NR_INIT_CMD_REQUIRED 0x02040200
116#define IPR_IOASC_NR_IOA_RESET_REQUIRED 0x02048000
117#define IPR_IOASC_SYNC_REQUIRED 0x023f0000
118#define IPR_IOASC_MED_DO_NOT_REALLOC 0x03110C00
119#define IPR_IOASC_HW_SEL_TIMEOUT 0x04050000
120#define IPR_IOASC_HW_DEV_BUS_STATUS 0x04448500
121#define IPR_IOASC_IOASC_MASK 0xFFFFFF00
122#define IPR_IOASC_SCSI_STATUS_MASK 0x000000FF
123#define IPR_IOASC_HW_CMD_FAILED 0x046E0000
124#define IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT 0x05240000
125#define IPR_IOASC_IR_RESOURCE_HANDLE 0x05250000
126#define IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA 0x05258100
127#define IPR_IOASA_IR_DUAL_IOA_DISABLED 0x052C8000
128#define IPR_IOASC_BUS_WAS_RESET 0x06290000
129#define IPR_IOASC_BUS_WAS_RESET_BY_OTHER 0x06298000
130#define IPR_IOASC_ABORTED_CMD_TERM_BY_HOST 0x0B5A0000
131#define IPR_IOASC_IR_NON_OPTIMIZED 0x05258200
132
133#define IPR_FIRST_DRIVER_IOASC 0x10000000
134#define IPR_IOASC_IOA_WAS_RESET 0x10000001
135#define IPR_IOASC_PCI_ACCESS_ERROR 0x10000002
136
137/* Driver data flags */
138#define IPR_USE_LONG_TRANSOP_TIMEOUT 0x00000001
139#define IPR_USE_PCI_WARM_RESET 0x00000002
140
141#define IPR_DEFAULT_MAX_ERROR_DUMP 984
142#define IPR_NUM_LOG_HCAMS 2
143#define IPR_NUM_CFG_CHG_HCAMS 2
144#define IPR_NUM_HCAM_QUEUE 12
145#define IPR_NUM_HCAMS (IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS)
146#define IPR_MAX_HCAMS (IPR_NUM_HCAMS + IPR_NUM_HCAM_QUEUE)
147
148#define IPR_MAX_SIS64_TARGETS_PER_BUS 1024
149#define IPR_MAX_SIS64_LUNS_PER_TARGET 0xffffffff
150
151#define IPR_MAX_NUM_TARGETS_PER_BUS 256
152#define IPR_MAX_NUM_LUNS_PER_TARGET 256
153#define IPR_VSET_BUS 0xff
154#define IPR_IOA_BUS 0xff
155#define IPR_IOA_TARGET 0xff
156#define IPR_IOA_LUN 0xff
157#define IPR_MAX_NUM_BUSES 16
158
159#define IPR_NUM_RESET_RELOAD_RETRIES 3
160
161/* We need resources for HCAMS, IOA reset, IOA bringdown, and ERP */
162#define IPR_NUM_INTERNAL_CMD_BLKS (IPR_NUM_HCAMS + \
163 ((IPR_NUM_RESET_RELOAD_RETRIES + 1) * 2) + 4)
164
165#define IPR_MAX_COMMANDS 100
166#define IPR_NUM_CMD_BLKS (IPR_NUM_BASE_CMD_BLKS + \
167 IPR_NUM_INTERNAL_CMD_BLKS)
168
169#define IPR_MAX_PHYSICAL_DEVS 192
170#define IPR_DEFAULT_SIS64_DEVS 1024
171#define IPR_MAX_SIS64_DEVS 4096
172
173#define IPR_MAX_SGLIST 64
174#define IPR_IOA_MAX_SECTORS 32767
175#define IPR_VSET_MAX_SECTORS 512
176#define IPR_MAX_CDB_LEN 16
177#define IPR_MAX_HRRQ_RETRIES 3
178
179#define IPR_DEFAULT_BUS_WIDTH 16
180#define IPR_80MBs_SCSI_RATE ((80 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
181#define IPR_U160_SCSI_RATE ((160 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
182#define IPR_U320_SCSI_RATE ((320 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
183#define IPR_MAX_SCSI_RATE(width) ((320 * 10) / ((width) / 8))
184
185#define IPR_IOA_RES_HANDLE 0xffffffff
186#define IPR_INVALID_RES_HANDLE 0
187#define IPR_IOA_RES_ADDR 0x00ffffff
188
189/*
190 * Adapter Commands
191 */
192#define IPR_CANCEL_REQUEST 0xC0
193#define IPR_CANCEL_64BIT_IOARCB 0x01
194#define IPR_QUERY_RSRC_STATE 0xC2
195#define IPR_RESET_DEVICE 0xC3
196#define IPR_RESET_TYPE_SELECT 0x80
197#define IPR_LUN_RESET 0x40
198#define IPR_TARGET_RESET 0x20
199#define IPR_BUS_RESET 0x10
200#define IPR_ATA_PHY_RESET 0x80
201#define IPR_ID_HOST_RR_Q 0xC4
202#define IPR_QUERY_IOA_CONFIG 0xC5
203#define IPR_CANCEL_ALL_REQUESTS 0xCE
204#define IPR_HOST_CONTROLLED_ASYNC 0xCF
205#define IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE 0x01
206#define IPR_HCAM_CDB_OP_CODE_LOG_DATA 0x02
207#define IPR_SET_SUPPORTED_DEVICES 0xFB
208#define IPR_SET_ALL_SUPPORTED_DEVICES 0x80
209#define IPR_IOA_SHUTDOWN 0xF7
210#define IPR_WR_BUF_DOWNLOAD_AND_SAVE 0x05
211#define IPR_IOA_SERVICE_ACTION 0xD2
212
213/* IOA Service Actions */
214#define IPR_IOA_SA_CHANGE_CACHE_PARAMS 0x14
215
216/*
217 * Timeouts
218 */
219#define IPR_SHUTDOWN_TIMEOUT (ipr_fastfail ? 60 * HZ : 10 * 60 * HZ)
220#define IPR_VSET_RW_TIMEOUT (ipr_fastfail ? 30 * HZ : 2 * 60 * HZ)
221#define IPR_ABBREV_SHUTDOWN_TIMEOUT (10 * HZ)
222#define IPR_DUAL_IOA_ABBR_SHUTDOWN_TO (2 * 60 * HZ)
223#define IPR_DEVICE_RESET_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
224#define IPR_CANCEL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
225#define IPR_CANCEL_ALL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
226#define IPR_ABORT_TASK_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
227#define IPR_INTERNAL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
228#define IPR_WRITE_BUFFER_TIMEOUT (30 * 60 * HZ)
229#define IPR_SET_SUP_DEVICE_TIMEOUT (2 * 60 * HZ)
230#define IPR_REQUEST_SENSE_TIMEOUT (10 * HZ)
231#define IPR_OPERATIONAL_TIMEOUT (5 * 60)
232#define IPR_LONG_OPERATIONAL_TIMEOUT (12 * 60)
233#define IPR_WAIT_FOR_RESET_TIMEOUT (2 * HZ)
234#define IPR_CHECK_FOR_RESET_TIMEOUT (HZ / 10)
235#define IPR_WAIT_FOR_BIST_TIMEOUT (2 * HZ)
236#define IPR_PCI_ERROR_RECOVERY_TIMEOUT (120 * HZ)
237#define IPR_PCI_RESET_TIMEOUT (HZ / 2)
238#define IPR_SIS32_DUMP_TIMEOUT (15 * HZ)
239#define IPR_SIS64_DUMP_TIMEOUT (40 * HZ)
240#define IPR_DUMP_DELAY_SECONDS 4
241#define IPR_DUMP_DELAY_TIMEOUT (IPR_DUMP_DELAY_SECONDS * HZ)
242
243/*
244 * SCSI Literals
245 */
246#define IPR_VENDOR_ID_LEN 8
247#define IPR_PROD_ID_LEN 16
248#define IPR_SERIAL_NUM_LEN 8
249
250/*
251 * Hardware literals
252 */
253#define IPR_FMT2_MBX_ADDR_MASK 0x0fffffff
254#define IPR_FMT2_MBX_BAR_SEL_MASK 0xf0000000
255#define IPR_FMT2_MKR_BAR_SEL_SHIFT 28
256#define IPR_GET_FMT2_BAR_SEL(mbx) \
257(((mbx) & IPR_FMT2_MBX_BAR_SEL_MASK) >> IPR_FMT2_MKR_BAR_SEL_SHIFT)
258#define IPR_SDT_FMT2_BAR0_SEL 0x0
259#define IPR_SDT_FMT2_BAR1_SEL 0x1
260#define IPR_SDT_FMT2_BAR2_SEL 0x2
261#define IPR_SDT_FMT2_BAR3_SEL 0x3
262#define IPR_SDT_FMT2_BAR4_SEL 0x4
263#define IPR_SDT_FMT2_BAR5_SEL 0x5
264#define IPR_SDT_FMT2_EXP_ROM_SEL 0x8
265#define IPR_FMT2_SDT_READY_TO_USE 0xC4D4E3F2
266#define IPR_FMT3_SDT_READY_TO_USE 0xC4D4E3F3
267#define IPR_DOORBELL 0x82800000
268#define IPR_RUNTIME_RESET 0x40000000
269
270#define IPR_IPL_INIT_MIN_STAGE_TIME 5
271#define IPR_IPL_INIT_DEFAULT_STAGE_TIME 30
272#define IPR_IPL_INIT_STAGE_UNKNOWN 0x0
273#define IPR_IPL_INIT_STAGE_TRANSOP 0xB0000000
274#define IPR_IPL_INIT_STAGE_MASK 0xff000000
275#define IPR_IPL_INIT_STAGE_TIME_MASK 0x0000ffff
276#define IPR_PCII_IPL_STAGE_CHANGE (0x80000000 >> 0)
277
278#define IPR_PCII_MAILBOX_STABLE (0x80000000 >> 4)
279#define IPR_WAIT_FOR_MAILBOX (2 * HZ)
280
281#define IPR_PCII_IOA_TRANS_TO_OPER (0x80000000 >> 0)
282#define IPR_PCII_IOARCB_XFER_FAILED (0x80000000 >> 3)
283#define IPR_PCII_IOA_UNIT_CHECKED (0x80000000 >> 4)
284#define IPR_PCII_NO_HOST_RRQ (0x80000000 >> 5)
285#define IPR_PCII_CRITICAL_OPERATION (0x80000000 >> 6)
286#define IPR_PCII_IO_DEBUG_ACKNOWLEDGE (0x80000000 >> 7)
287#define IPR_PCII_IOARRIN_LOST (0x80000000 >> 27)
288#define IPR_PCII_MMIO_ERROR (0x80000000 >> 28)
289#define IPR_PCII_PROC_ERR_STATE (0x80000000 >> 29)
290#define IPR_PCII_HRRQ_UPDATED (0x80000000 >> 30)
291#define IPR_PCII_CORE_ISSUED_RST_REQ (0x80000000 >> 31)
292
293#define IPR_PCII_ERROR_INTERRUPTS \
294(IPR_PCII_IOARCB_XFER_FAILED | IPR_PCII_IOA_UNIT_CHECKED | \
295IPR_PCII_NO_HOST_RRQ | IPR_PCII_IOARRIN_LOST | IPR_PCII_MMIO_ERROR)
296
297#define IPR_PCII_OPER_INTERRUPTS \
298(IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED | IPR_PCII_IOA_TRANS_TO_OPER)
299
300#define IPR_UPROCI_RESET_ALERT (0x80000000 >> 7)
301#define IPR_UPROCI_IO_DEBUG_ALERT (0x80000000 >> 9)
302#define IPR_UPROCI_SIS64_START_BIST (0x80000000 >> 23)
303
304#define IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC 200000 /* 200 ms */
305#define IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC 200000 /* 200 ms */
306
307/*
308 * Dump literals
309 */
310#define IPR_FMT2_MAX_IOA_DUMP_SIZE (4 * 1024 * 1024)
311#define IPR_FMT3_MAX_IOA_DUMP_SIZE (80 * 1024 * 1024)
312#define IPR_FMT2_NUM_SDT_ENTRIES 511
313#define IPR_FMT3_NUM_SDT_ENTRIES 0xFFF
314#define IPR_FMT2_MAX_NUM_DUMP_PAGES ((IPR_FMT2_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
315#define IPR_FMT3_MAX_NUM_DUMP_PAGES ((IPR_FMT3_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
316
317/*
318 * Misc literals
319 */
320#define IPR_NUM_IOADL_ENTRIES IPR_MAX_SGLIST
321#define IPR_MAX_MSIX_VECTORS 0x10
322#define IPR_MAX_HRRQ_NUM 0x10
323#define IPR_INIT_HRRQ 0x0
324
325/*
326 * Adapter interface types
327 */
328
329struct ipr_res_addr {
330 u8 reserved;
331 u8 bus;
332 u8 target;
333 u8 lun;
334#define IPR_GET_PHYS_LOC(res_addr) \
335 (((res_addr).bus << 16) | ((res_addr).target << 8) | (res_addr).lun)
336}__attribute__((packed, aligned (4)));
337
338struct ipr_std_inq_vpids {
339 u8 vendor_id[IPR_VENDOR_ID_LEN];
340 u8 product_id[IPR_PROD_ID_LEN];
341}__attribute__((packed));
342
343struct ipr_vpd {
344 struct ipr_std_inq_vpids vpids;
345 u8 sn[IPR_SERIAL_NUM_LEN];
346}__attribute__((packed));
347
348struct ipr_ext_vpd {
349 struct ipr_vpd vpd;
350 __be32 wwid[2];
351}__attribute__((packed));
352
353struct ipr_ext_vpd64 {
354 struct ipr_vpd vpd;
355 __be32 wwid[4];
356}__attribute__((packed));
357
358struct ipr_std_inq_data {
359 u8 peri_qual_dev_type;
360#define IPR_STD_INQ_PERI_QUAL(peri) ((peri) >> 5)
361#define IPR_STD_INQ_PERI_DEV_TYPE(peri) ((peri) & 0x1F)
362
363 u8 removeable_medium_rsvd;
364#define IPR_STD_INQ_REMOVEABLE_MEDIUM 0x80
365
366#define IPR_IS_DASD_DEVICE(std_inq) \
367((IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_DISK) && \
368!(((std_inq).removeable_medium_rsvd) & IPR_STD_INQ_REMOVEABLE_MEDIUM))
369
370#define IPR_IS_SES_DEVICE(std_inq) \
371(IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_ENCLOSURE)
372
373 u8 version;
374 u8 aen_naca_fmt;
375 u8 additional_len;
376 u8 sccs_rsvd;
377 u8 bq_enc_multi;
378 u8 sync_cmdq_flags;
379
380 struct ipr_std_inq_vpids vpids;
381
382 u8 ros_rsvd_ram_rsvd[4];
383
384 u8 serial_num[IPR_SERIAL_NUM_LEN];
385}__attribute__ ((packed));
386
387#define IPR_RES_TYPE_AF_DASD 0x00
388#define IPR_RES_TYPE_GENERIC_SCSI 0x01
389#define IPR_RES_TYPE_VOLUME_SET 0x02
390#define IPR_RES_TYPE_REMOTE_AF_DASD 0x03
391#define IPR_RES_TYPE_GENERIC_ATA 0x04
392#define IPR_RES_TYPE_ARRAY 0x05
393#define IPR_RES_TYPE_IOAFP 0xff
394
395struct ipr_config_table_entry {
396 u8 proto;
397#define IPR_PROTO_SATA 0x02
398#define IPR_PROTO_SATA_ATAPI 0x03
399#define IPR_PROTO_SAS_STP 0x06
400#define IPR_PROTO_SAS_STP_ATAPI 0x07
401 u8 array_id;
402 u8 flags;
403#define IPR_IS_IOA_RESOURCE 0x80
404 u8 rsvd_subtype;
405
406#define IPR_QUEUEING_MODEL(res) ((((res)->flags) & 0x70) >> 4)
407#define IPR_QUEUE_FROZEN_MODEL 0
408#define IPR_QUEUE_NACA_MODEL 1
409
410 struct ipr_res_addr res_addr;
411 __be32 res_handle;
412 __be32 lun_wwn[2];
413 struct ipr_std_inq_data std_inq_data;
414}__attribute__ ((packed, aligned (4)));
415
416struct ipr_config_table_entry64 {
417 u8 res_type;
418 u8 proto;
419 u8 vset_num;
420 u8 array_id;
421 __be16 flags;
422 __be16 res_flags;
423#define IPR_QUEUEING_MODEL64(res) ((((res)->res_flags) & 0x7000) >> 12)
424 __be32 res_handle;
425 u8 dev_id_type;
426 u8 reserved[3];
427 __be64 dev_id;
428 __be64 lun;
429 __be64 lun_wwn[2];
430#define IPR_MAX_RES_PATH_LENGTH 48
431 __be64 res_path;
432 struct ipr_std_inq_data std_inq_data;
433 u8 reserved2[4];
434 __be64 reserved3[2];
435 u8 reserved4[8];
436}__attribute__ ((packed, aligned (8)));
437
438struct ipr_config_table_hdr {
439 u8 num_entries;
440 u8 flags;
441#define IPR_UCODE_DOWNLOAD_REQ 0x10
442 __be16 reserved;
443}__attribute__((packed, aligned (4)));
444
445struct ipr_config_table_hdr64 {
446 __be16 num_entries;
447 __be16 reserved;
448 u8 flags;
449 u8 reserved2[11];
450}__attribute__((packed, aligned (4)));
451
452struct ipr_config_table {
453 struct ipr_config_table_hdr hdr;
454 struct ipr_config_table_entry dev[0];
455}__attribute__((packed, aligned (4)));
456
457struct ipr_config_table64 {
458 struct ipr_config_table_hdr64 hdr64;
459 struct ipr_config_table_entry64 dev[0];
460}__attribute__((packed, aligned (8)));
461
462struct ipr_config_table_entry_wrapper {
463 union {
464 struct ipr_config_table_entry *cfgte;
465 struct ipr_config_table_entry64 *cfgte64;
466 } u;
467};
468
469struct ipr_hostrcb_cfg_ch_not {
470 union {
471 struct ipr_config_table_entry cfgte;
472 struct ipr_config_table_entry64 cfgte64;
473 } u;
474 u8 reserved[936];
475}__attribute__((packed, aligned (4)));
476
477struct ipr_supported_device {
478 __be16 data_length;
479 u8 reserved;
480 u8 num_records;
481 struct ipr_std_inq_vpids vpids;
482 u8 reserved2[16];
483}__attribute__((packed, aligned (4)));
484
485struct ipr_hrr_queue {
486 struct ipr_ioa_cfg *ioa_cfg;
487 __be32 *host_rrq;
488 dma_addr_t host_rrq_dma;
489#define IPR_HRRQ_REQ_RESP_HANDLE_MASK 0xfffffffc
490#define IPR_HRRQ_RESP_BIT_SET 0x00000002
491#define IPR_HRRQ_TOGGLE_BIT 0x00000001
492#define IPR_HRRQ_REQ_RESP_HANDLE_SHIFT 2
493#define IPR_ID_HRRQ_SELE_ENABLE 0x02
494 volatile __be32 *hrrq_start;
495 volatile __be32 *hrrq_end;
496 volatile __be32 *hrrq_curr;
497
498 struct list_head hrrq_free_q;
499 struct list_head hrrq_pending_q;
500 spinlock_t _lock;
501 spinlock_t *lock;
502
503 volatile u32 toggle_bit;
504 u32 size;
505 u32 min_cmd_id;
506 u32 max_cmd_id;
507 u8 allow_interrupts:1;
508 u8 ioa_is_dead:1;
509 u8 allow_cmds:1;
510 u8 removing_ioa:1;
511
512 struct irq_poll iopoll;
513};
514
515/* Command packet structure */
516struct ipr_cmd_pkt {
517 u8 reserved; /* Reserved by IOA */
518 u8 hrrq_id;
519 u8 request_type;
520#define IPR_RQTYPE_SCSICDB 0x00
521#define IPR_RQTYPE_IOACMD 0x01
522#define IPR_RQTYPE_HCAM 0x02
523#define IPR_RQTYPE_ATA_PASSTHRU 0x04
524#define IPR_RQTYPE_PIPE 0x05
525
526 u8 reserved2;
527
528 u8 flags_hi;
529#define IPR_FLAGS_HI_WRITE_NOT_READ 0x80
530#define IPR_FLAGS_HI_NO_ULEN_CHK 0x20
531#define IPR_FLAGS_HI_SYNC_OVERRIDE 0x10
532#define IPR_FLAGS_HI_SYNC_COMPLETE 0x08
533#define IPR_FLAGS_HI_NO_LINK_DESC 0x04
534
535 u8 flags_lo;
536#define IPR_FLAGS_LO_ALIGNED_BFR 0x20
537#define IPR_FLAGS_LO_DELAY_AFTER_RST 0x10
538#define IPR_FLAGS_LO_UNTAGGED_TASK 0x00
539#define IPR_FLAGS_LO_SIMPLE_TASK 0x02
540#define IPR_FLAGS_LO_ORDERED_TASK 0x04
541#define IPR_FLAGS_LO_HEAD_OF_Q_TASK 0x06
542#define IPR_FLAGS_LO_ACA_TASK 0x08
543
544 u8 cdb[16];
545 __be16 timeout;
546}__attribute__ ((packed, aligned(4)));
547
548struct ipr_ioarcb_ata_regs { /* 22 bytes */
549 u8 flags;
550#define IPR_ATA_FLAG_PACKET_CMD 0x80
551#define IPR_ATA_FLAG_XFER_TYPE_DMA 0x40
552#define IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION 0x20
553 u8 reserved[3];
554
555 __be16 data;
556 u8 feature;
557 u8 nsect;
558 u8 lbal;
559 u8 lbam;
560 u8 lbah;
561 u8 device;
562 u8 command;
563 u8 reserved2[3];
564 u8 hob_feature;
565 u8 hob_nsect;
566 u8 hob_lbal;
567 u8 hob_lbam;
568 u8 hob_lbah;
569 u8 ctl;
570}__attribute__ ((packed, aligned(2)));
571
572struct ipr_ioadl_desc {
573 __be32 flags_and_data_len;
574#define IPR_IOADL_FLAGS_MASK 0xff000000
575#define IPR_IOADL_GET_FLAGS(x) (be32_to_cpu(x) & IPR_IOADL_FLAGS_MASK)
576#define IPR_IOADL_DATA_LEN_MASK 0x00ffffff
577#define IPR_IOADL_GET_DATA_LEN(x) (be32_to_cpu(x) & IPR_IOADL_DATA_LEN_MASK)
578#define IPR_IOADL_FLAGS_READ 0x48000000
579#define IPR_IOADL_FLAGS_READ_LAST 0x49000000
580#define IPR_IOADL_FLAGS_WRITE 0x68000000
581#define IPR_IOADL_FLAGS_WRITE_LAST 0x69000000
582#define IPR_IOADL_FLAGS_LAST 0x01000000
583
584 __be32 address;
585}__attribute__((packed, aligned (8)));
586
587struct ipr_ioadl64_desc {
588 __be32 flags;
589 __be32 data_len;
590 __be64 address;
591}__attribute__((packed, aligned (16)));
592
593struct ipr_ata64_ioadl {
594 struct ipr_ioarcb_ata_regs regs;
595 u16 reserved[5];
596 struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
597}__attribute__((packed, aligned (16)));
598
599struct ipr_ioarcb_add_data {
600 union {
601 struct ipr_ioarcb_ata_regs regs;
602 struct ipr_ioadl_desc ioadl[5];
603 __be32 add_cmd_parms[10];
604 } u;
605}__attribute__ ((packed, aligned (4)));
606
607struct ipr_ioarcb_sis64_add_addr_ecb {
608 __be64 ioasa_host_pci_addr;
609 __be64 data_ioadl_addr;
610 __be64 reserved;
611 __be32 ext_control_buf[4];
612}__attribute__((packed, aligned (8)));
613
614/* IOA Request Control Block 128 bytes */
615struct ipr_ioarcb {
616 union {
617 __be32 ioarcb_host_pci_addr;
618 __be64 ioarcb_host_pci_addr64;
619 } a;
620 __be32 res_handle;
621 __be32 host_response_handle;
622 __be32 reserved1;
623 __be32 reserved2;
624 __be32 reserved3;
625
626 __be32 data_transfer_length;
627 __be32 read_data_transfer_length;
628 __be32 write_ioadl_addr;
629 __be32 ioadl_len;
630 __be32 read_ioadl_addr;
631 __be32 read_ioadl_len;
632
633 __be32 ioasa_host_pci_addr;
634 __be16 ioasa_len;
635 __be16 reserved4;
636
637 struct ipr_cmd_pkt cmd_pkt;
638
639 __be16 add_cmd_parms_offset;
640 __be16 add_cmd_parms_len;
641
642 union {
643 struct ipr_ioarcb_add_data add_data;
644 struct ipr_ioarcb_sis64_add_addr_ecb sis64_addr_data;
645 } u;
646
647}__attribute__((packed, aligned (4)));
648
649struct ipr_ioasa_vset {
650 __be32 failing_lba_hi;
651 __be32 failing_lba_lo;
652 __be32 reserved;
653}__attribute__((packed, aligned (4)));
654
655struct ipr_ioasa_af_dasd {
656 __be32 failing_lba;
657 __be32 reserved[2];
658}__attribute__((packed, aligned (4)));
659
660struct ipr_ioasa_gpdd {
661 u8 end_state;
662 u8 bus_phase;
663 __be16 reserved;
664 __be32 ioa_data[2];
665}__attribute__((packed, aligned (4)));
666
667struct ipr_ioasa_gata {
668 u8 error;
669 u8 nsect; /* Interrupt reason */
670 u8 lbal;
671 u8 lbam;
672 u8 lbah;
673 u8 device;
674 u8 status;
675 u8 alt_status; /* ATA CTL */
676 u8 hob_nsect;
677 u8 hob_lbal;
678 u8 hob_lbam;
679 u8 hob_lbah;
680}__attribute__((packed, aligned (4)));
681
682struct ipr_auto_sense {
683 __be16 auto_sense_len;
684 __be16 ioa_data_len;
685 __be32 data[SCSI_SENSE_BUFFERSIZE/sizeof(__be32)];
686};
687
688struct ipr_ioasa_hdr {
689 __be32 ioasc;
690#define IPR_IOASC_SENSE_KEY(ioasc) ((ioasc) >> 24)
691#define IPR_IOASC_SENSE_CODE(ioasc) (((ioasc) & 0x00ff0000) >> 16)
692#define IPR_IOASC_SENSE_QUAL(ioasc) (((ioasc) & 0x0000ff00) >> 8)
693#define IPR_IOASC_SENSE_STATUS(ioasc) ((ioasc) & 0x000000ff)
694
695 __be16 ret_stat_len; /* Length of the returned IOASA */
696
697 __be16 avail_stat_len; /* Total Length of status available. */
698
699 __be32 residual_data_len; /* number of bytes in the host data */
700 /* buffers that were not used by the IOARCB command. */
701
702 __be32 ilid;
703#define IPR_NO_ILID 0
704#define IPR_DRIVER_ILID 0xffffffff
705
706 __be32 fd_ioasc;
707
708 __be32 fd_phys_locator;
709
710 __be32 fd_res_handle;
711
712 __be32 ioasc_specific; /* status code specific field */
713#define IPR_ADDITIONAL_STATUS_FMT 0x80000000
714#define IPR_AUTOSENSE_VALID 0x40000000
715#define IPR_ATA_DEVICE_WAS_RESET 0x20000000
716#define IPR_IOASC_SPECIFIC_MASK 0x00ffffff
717#define IPR_FIELD_POINTER_VALID (0x80000000 >> 8)
718#define IPR_FIELD_POINTER_MASK 0x0000ffff
719
720}__attribute__((packed, aligned (4)));
721
722struct ipr_ioasa {
723 struct ipr_ioasa_hdr hdr;
724
725 union {
726 struct ipr_ioasa_vset vset;
727 struct ipr_ioasa_af_dasd dasd;
728 struct ipr_ioasa_gpdd gpdd;
729 struct ipr_ioasa_gata gata;
730 } u;
731
732 struct ipr_auto_sense auto_sense;
733}__attribute__((packed, aligned (4)));
734
735struct ipr_ioasa64 {
736 struct ipr_ioasa_hdr hdr;
737 u8 fd_res_path[8];
738
739 union {
740 struct ipr_ioasa_vset vset;
741 struct ipr_ioasa_af_dasd dasd;
742 struct ipr_ioasa_gpdd gpdd;
743 struct ipr_ioasa_gata gata;
744 } u;
745
746 struct ipr_auto_sense auto_sense;
747}__attribute__((packed, aligned (4)));
748
749struct ipr_mode_parm_hdr {
750 u8 length;
751 u8 medium_type;
752 u8 device_spec_parms;
753 u8 block_desc_len;
754}__attribute__((packed));
755
756struct ipr_mode_pages {
757 struct ipr_mode_parm_hdr hdr;
758 u8 data[255 - sizeof(struct ipr_mode_parm_hdr)];
759}__attribute__((packed));
760
761struct ipr_mode_page_hdr {
762 u8 ps_page_code;
763#define IPR_MODE_PAGE_PS 0x80
764#define IPR_GET_MODE_PAGE_CODE(hdr) ((hdr)->ps_page_code & 0x3F)
765 u8 page_length;
766}__attribute__ ((packed));
767
768struct ipr_dev_bus_entry {
769 struct ipr_res_addr res_addr;
770 u8 flags;
771#define IPR_SCSI_ATTR_ENABLE_QAS 0x80
772#define IPR_SCSI_ATTR_DISABLE_QAS 0x40
773#define IPR_SCSI_ATTR_QAS_MASK 0xC0
774#define IPR_SCSI_ATTR_ENABLE_TM 0x20
775#define IPR_SCSI_ATTR_NO_TERM_PWR 0x10
776#define IPR_SCSI_ATTR_TM_SUPPORTED 0x08
777#define IPR_SCSI_ATTR_LVD_TO_SE_NOT_ALLOWED 0x04
778
779 u8 scsi_id;
780 u8 bus_width;
781 u8 extended_reset_delay;
782#define IPR_EXTENDED_RESET_DELAY 7
783
784 __be32 max_xfer_rate;
785
786 u8 spinup_delay;
787 u8 reserved3;
788 __be16 reserved4;
789}__attribute__((packed, aligned (4)));
790
791struct ipr_mode_page28 {
792 struct ipr_mode_page_hdr hdr;
793 u8 num_entries;
794 u8 entry_length;
795 struct ipr_dev_bus_entry bus[0];
796}__attribute__((packed));
797
798struct ipr_mode_page24 {
799 struct ipr_mode_page_hdr hdr;
800 u8 flags;
801#define IPR_ENABLE_DUAL_IOA_AF 0x80
802}__attribute__((packed));
803
804struct ipr_ioa_vpd {
805 struct ipr_std_inq_data std_inq_data;
806 u8 ascii_part_num[12];
807 u8 reserved[40];
808 u8 ascii_plant_code[4];
809}__attribute__((packed));
810
811struct ipr_inquiry_page3 {
812 u8 peri_qual_dev_type;
813 u8 page_code;
814 u8 reserved1;
815 u8 page_length;
816 u8 ascii_len;
817 u8 reserved2[3];
818 u8 load_id[4];
819 u8 major_release;
820 u8 card_type;
821 u8 minor_release[2];
822 u8 ptf_number[4];
823 u8 patch_number[4];
824}__attribute__((packed));
825
826struct ipr_inquiry_cap {
827 u8 peri_qual_dev_type;
828 u8 page_code;
829 u8 reserved1;
830 u8 page_length;
831 u8 ascii_len;
832 u8 reserved2;
833 u8 sis_version[2];
834 u8 cap;
835#define IPR_CAP_DUAL_IOA_RAID 0x80
836 u8 reserved3[15];
837}__attribute__((packed));
838
839#define IPR_INQUIRY_PAGE0_ENTRIES 20
840struct ipr_inquiry_page0 {
841 u8 peri_qual_dev_type;
842 u8 page_code;
843 u8 reserved1;
844 u8 len;
845 u8 page[IPR_INQUIRY_PAGE0_ENTRIES];
846}__attribute__((packed));
847
848struct ipr_inquiry_pageC4 {
849 u8 peri_qual_dev_type;
850 u8 page_code;
851 u8 reserved1;
852 u8 len;
853 u8 cache_cap[4];
854#define IPR_CAP_SYNC_CACHE 0x08
855 u8 reserved2[20];
856} __packed;
857
858struct ipr_hostrcb_device_data_entry {
859 struct ipr_vpd vpd;
860 struct ipr_res_addr dev_res_addr;
861 struct ipr_vpd new_vpd;
862 struct ipr_vpd ioa_last_with_dev_vpd;
863 struct ipr_vpd cfc_last_with_dev_vpd;
864 __be32 ioa_data[5];
865}__attribute__((packed, aligned (4)));
866
867struct ipr_hostrcb_device_data_entry_enhanced {
868 struct ipr_ext_vpd vpd;
869 u8 ccin[4];
870 struct ipr_res_addr dev_res_addr;
871 struct ipr_ext_vpd new_vpd;
872 u8 new_ccin[4];
873 struct ipr_ext_vpd ioa_last_with_dev_vpd;
874 struct ipr_ext_vpd cfc_last_with_dev_vpd;
875}__attribute__((packed, aligned (4)));
876
877struct ipr_hostrcb64_device_data_entry_enhanced {
878 struct ipr_ext_vpd vpd;
879 u8 ccin[4];
880 u8 res_path[8];
881 struct ipr_ext_vpd new_vpd;
882 u8 new_ccin[4];
883 struct ipr_ext_vpd ioa_last_with_dev_vpd;
884 struct ipr_ext_vpd cfc_last_with_dev_vpd;
885}__attribute__((packed, aligned (4)));
886
887struct ipr_hostrcb_array_data_entry {
888 struct ipr_vpd vpd;
889 struct ipr_res_addr expected_dev_res_addr;
890 struct ipr_res_addr dev_res_addr;
891}__attribute__((packed, aligned (4)));
892
893struct ipr_hostrcb64_array_data_entry {
894 struct ipr_ext_vpd vpd;
895 u8 ccin[4];
896 u8 expected_res_path[8];
897 u8 res_path[8];
898}__attribute__((packed, aligned (4)));
899
900struct ipr_hostrcb_array_data_entry_enhanced {
901 struct ipr_ext_vpd vpd;
902 u8 ccin[4];
903 struct ipr_res_addr expected_dev_res_addr;
904 struct ipr_res_addr dev_res_addr;
905}__attribute__((packed, aligned (4)));
906
907struct ipr_hostrcb_type_ff_error {
908 __be32 ioa_data[758];
909}__attribute__((packed, aligned (4)));
910
911struct ipr_hostrcb_type_01_error {
912 __be32 seek_counter;
913 __be32 read_counter;
914 u8 sense_data[32];
915 __be32 ioa_data[236];
916}__attribute__((packed, aligned (4)));
917
918struct ipr_hostrcb_type_21_error {
919 __be32 wwn[4];
920 u8 res_path[8];
921 u8 primary_problem_desc[32];
922 u8 second_problem_desc[32];
923 __be32 sense_data[8];
924 __be32 cdb[4];
925 __be32 residual_trans_length;
926 __be32 length_of_error;
927 __be32 ioa_data[236];
928}__attribute__((packed, aligned (4)));
929
930struct ipr_hostrcb_type_02_error {
931 struct ipr_vpd ioa_vpd;
932 struct ipr_vpd cfc_vpd;
933 struct ipr_vpd ioa_last_attached_to_cfc_vpd;
934 struct ipr_vpd cfc_last_attached_to_ioa_vpd;
935 __be32 ioa_data[3];
936}__attribute__((packed, aligned (4)));
937
938struct ipr_hostrcb_type_12_error {
939 struct ipr_ext_vpd ioa_vpd;
940 struct ipr_ext_vpd cfc_vpd;
941 struct ipr_ext_vpd ioa_last_attached_to_cfc_vpd;
942 struct ipr_ext_vpd cfc_last_attached_to_ioa_vpd;
943 __be32 ioa_data[3];
944}__attribute__((packed, aligned (4)));
945
946struct ipr_hostrcb_type_03_error {
947 struct ipr_vpd ioa_vpd;
948 struct ipr_vpd cfc_vpd;
949 __be32 errors_detected;
950 __be32 errors_logged;
951 u8 ioa_data[12];
952 struct ipr_hostrcb_device_data_entry dev[3];
953}__attribute__((packed, aligned (4)));
954
955struct ipr_hostrcb_type_13_error {
956 struct ipr_ext_vpd ioa_vpd;
957 struct ipr_ext_vpd cfc_vpd;
958 __be32 errors_detected;
959 __be32 errors_logged;
960 struct ipr_hostrcb_device_data_entry_enhanced dev[3];
961}__attribute__((packed, aligned (4)));
962
963struct ipr_hostrcb_type_23_error {
964 struct ipr_ext_vpd ioa_vpd;
965 struct ipr_ext_vpd cfc_vpd;
966 __be32 errors_detected;
967 __be32 errors_logged;
968 struct ipr_hostrcb64_device_data_entry_enhanced dev[3];
969}__attribute__((packed, aligned (4)));
970
971struct ipr_hostrcb_type_04_error {
972 struct ipr_vpd ioa_vpd;
973 struct ipr_vpd cfc_vpd;
974 u8 ioa_data[12];
975 struct ipr_hostrcb_array_data_entry array_member[10];
976 __be32 exposed_mode_adn;
977 __be32 array_id;
978 struct ipr_vpd incomp_dev_vpd;
979 __be32 ioa_data2;
980 struct ipr_hostrcb_array_data_entry array_member2[8];
981 struct ipr_res_addr last_func_vset_res_addr;
982 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
983 u8 protection_level[8];
984}__attribute__((packed, aligned (4)));
985
986struct ipr_hostrcb_type_14_error {
987 struct ipr_ext_vpd ioa_vpd;
988 struct ipr_ext_vpd cfc_vpd;
989 __be32 exposed_mode_adn;
990 __be32 array_id;
991 struct ipr_res_addr last_func_vset_res_addr;
992 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
993 u8 protection_level[8];
994 __be32 num_entries;
995 struct ipr_hostrcb_array_data_entry_enhanced array_member[18];
996}__attribute__((packed, aligned (4)));
997
998struct ipr_hostrcb_type_24_error {
999 struct ipr_ext_vpd ioa_vpd;
1000 struct ipr_ext_vpd cfc_vpd;
1001 u8 reserved[2];
1002 u8 exposed_mode_adn;
1003#define IPR_INVALID_ARRAY_DEV_NUM 0xff
1004 u8 array_id;
1005 u8 last_res_path[8];
1006 u8 protection_level[8];
1007 struct ipr_ext_vpd64 array_vpd;
1008 u8 description[16];
1009 u8 reserved2[3];
1010 u8 num_entries;
1011 struct ipr_hostrcb64_array_data_entry array_member[32];
1012}__attribute__((packed, aligned (4)));
1013
1014struct ipr_hostrcb_type_07_error {
1015 u8 failure_reason[64];
1016 struct ipr_vpd vpd;
1017 __be32 data[222];
1018}__attribute__((packed, aligned (4)));
1019
1020struct ipr_hostrcb_type_17_error {
1021 u8 failure_reason[64];
1022 struct ipr_ext_vpd vpd;
1023 __be32 data[476];
1024}__attribute__((packed, aligned (4)));
1025
1026struct ipr_hostrcb_config_element {
1027 u8 type_status;
1028#define IPR_PATH_CFG_TYPE_MASK 0xF0
1029#define IPR_PATH_CFG_NOT_EXIST 0x00
1030#define IPR_PATH_CFG_IOA_PORT 0x10
1031#define IPR_PATH_CFG_EXP_PORT 0x20
1032#define IPR_PATH_CFG_DEVICE_PORT 0x30
1033#define IPR_PATH_CFG_DEVICE_LUN 0x40
1034
1035#define IPR_PATH_CFG_STATUS_MASK 0x0F
1036#define IPR_PATH_CFG_NO_PROB 0x00
1037#define IPR_PATH_CFG_DEGRADED 0x01
1038#define IPR_PATH_CFG_FAILED 0x02
1039#define IPR_PATH_CFG_SUSPECT 0x03
1040#define IPR_PATH_NOT_DETECTED 0x04
1041#define IPR_PATH_INCORRECT_CONN 0x05
1042
1043 u8 cascaded_expander;
1044 u8 phy;
1045 u8 link_rate;
1046#define IPR_PHY_LINK_RATE_MASK 0x0F
1047
1048 __be32 wwid[2];
1049}__attribute__((packed, aligned (4)));
1050
1051struct ipr_hostrcb64_config_element {
1052 __be16 length;
1053 u8 descriptor_id;
1054#define IPR_DESCRIPTOR_MASK 0xC0
1055#define IPR_DESCRIPTOR_SIS64 0x00
1056
1057 u8 reserved;
1058 u8 type_status;
1059
1060 u8 reserved2[2];
1061 u8 link_rate;
1062
1063 u8 res_path[8];
1064 __be32 wwid[2];
1065}__attribute__((packed, aligned (8)));
1066
1067struct ipr_hostrcb_fabric_desc {
1068 __be16 length;
1069 u8 ioa_port;
1070 u8 cascaded_expander;
1071 u8 phy;
1072 u8 path_state;
1073#define IPR_PATH_ACTIVE_MASK 0xC0
1074#define IPR_PATH_NO_INFO 0x00
1075#define IPR_PATH_ACTIVE 0x40
1076#define IPR_PATH_NOT_ACTIVE 0x80
1077
1078#define IPR_PATH_STATE_MASK 0x0F
1079#define IPR_PATH_STATE_NO_INFO 0x00
1080#define IPR_PATH_HEALTHY 0x01
1081#define IPR_PATH_DEGRADED 0x02
1082#define IPR_PATH_FAILED 0x03
1083
1084 __be16 num_entries;
1085 struct ipr_hostrcb_config_element elem[1];
1086}__attribute__((packed, aligned (4)));
1087
1088struct ipr_hostrcb64_fabric_desc {
1089 __be16 length;
1090 u8 descriptor_id;
1091
1092 u8 reserved[2];
1093 u8 path_state;
1094
1095 u8 reserved2[2];
1096 u8 res_path[8];
1097 u8 reserved3[6];
1098 __be16 num_entries;
1099 struct ipr_hostrcb64_config_element elem[1];
1100}__attribute__((packed, aligned (8)));
1101
1102#define for_each_hrrq(hrrq, ioa_cfg) \
1103 for (hrrq = (ioa_cfg)->hrrq; \
1104 hrrq < ((ioa_cfg)->hrrq + (ioa_cfg)->hrrq_num); hrrq++)
1105
1106#define for_each_fabric_cfg(fabric, cfg) \
1107 for (cfg = (fabric)->elem; \
1108 cfg < ((fabric)->elem + be16_to_cpu((fabric)->num_entries)); \
1109 cfg++)
1110
1111struct ipr_hostrcb_type_20_error {
1112 u8 failure_reason[64];
1113 u8 reserved[3];
1114 u8 num_entries;
1115 struct ipr_hostrcb_fabric_desc desc[1];
1116}__attribute__((packed, aligned (4)));
1117
1118struct ipr_hostrcb_type_30_error {
1119 u8 failure_reason[64];
1120 u8 reserved[3];
1121 u8 num_entries;
1122 struct ipr_hostrcb64_fabric_desc desc[1];
1123}__attribute__((packed, aligned (4)));
1124
1125struct ipr_hostrcb_type_41_error {
1126 u8 failure_reason[64];
1127 __be32 data[200];
1128}__attribute__((packed, aligned (4)));
1129
1130struct ipr_hostrcb_error {
1131 __be32 fd_ioasc;
1132 struct ipr_res_addr fd_res_addr;
1133 __be32 fd_res_handle;
1134 __be32 prc;
1135 union {
1136 struct ipr_hostrcb_type_ff_error type_ff_error;
1137 struct ipr_hostrcb_type_01_error type_01_error;
1138 struct ipr_hostrcb_type_02_error type_02_error;
1139 struct ipr_hostrcb_type_03_error type_03_error;
1140 struct ipr_hostrcb_type_04_error type_04_error;
1141 struct ipr_hostrcb_type_07_error type_07_error;
1142 struct ipr_hostrcb_type_12_error type_12_error;
1143 struct ipr_hostrcb_type_13_error type_13_error;
1144 struct ipr_hostrcb_type_14_error type_14_error;
1145 struct ipr_hostrcb_type_17_error type_17_error;
1146 struct ipr_hostrcb_type_20_error type_20_error;
1147 } u;
1148}__attribute__((packed, aligned (4)));
1149
1150struct ipr_hostrcb64_error {
1151 __be32 fd_ioasc;
1152 __be32 ioa_fw_level;
1153 __be32 fd_res_handle;
1154 __be32 prc;
1155 __be64 fd_dev_id;
1156 __be64 fd_lun;
1157 u8 fd_res_path[8];
1158 __be64 time_stamp;
1159 u8 reserved[16];
1160 union {
1161 struct ipr_hostrcb_type_ff_error type_ff_error;
1162 struct ipr_hostrcb_type_12_error type_12_error;
1163 struct ipr_hostrcb_type_17_error type_17_error;
1164 struct ipr_hostrcb_type_21_error type_21_error;
1165 struct ipr_hostrcb_type_23_error type_23_error;
1166 struct ipr_hostrcb_type_24_error type_24_error;
1167 struct ipr_hostrcb_type_30_error type_30_error;
1168 struct ipr_hostrcb_type_41_error type_41_error;
1169 } u;
1170}__attribute__((packed, aligned (8)));
1171
1172struct ipr_hostrcb_raw {
1173 __be32 data[sizeof(struct ipr_hostrcb_error)/sizeof(__be32)];
1174}__attribute__((packed, aligned (4)));
1175
1176struct ipr_hcam {
1177 u8 op_code;
1178#define IPR_HOST_RCB_OP_CODE_CONFIG_CHANGE 0xE1
1179#define IPR_HOST_RCB_OP_CODE_LOG_DATA 0xE2
1180
1181 u8 notify_type;
1182#define IPR_HOST_RCB_NOTIF_TYPE_EXISTING_CHANGED 0x00
1183#define IPR_HOST_RCB_NOTIF_TYPE_NEW_ENTRY 0x01
1184#define IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY 0x02
1185#define IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY 0x10
1186#define IPR_HOST_RCB_NOTIF_TYPE_INFORMATION_ENTRY 0x11
1187
1188 u8 notifications_lost;
1189#define IPR_HOST_RCB_NO_NOTIFICATIONS_LOST 0
1190#define IPR_HOST_RCB_NOTIFICATIONS_LOST 0x80
1191
1192 u8 flags;
1193#define IPR_HOSTRCB_INTERNAL_OPER 0x80
1194#define IPR_HOSTRCB_ERR_RESP_SENT 0x40
1195
1196 u8 overlay_id;
1197#define IPR_HOST_RCB_OVERLAY_ID_1 0x01
1198#define IPR_HOST_RCB_OVERLAY_ID_2 0x02
1199#define IPR_HOST_RCB_OVERLAY_ID_3 0x03
1200#define IPR_HOST_RCB_OVERLAY_ID_4 0x04
1201#define IPR_HOST_RCB_OVERLAY_ID_6 0x06
1202#define IPR_HOST_RCB_OVERLAY_ID_7 0x07
1203#define IPR_HOST_RCB_OVERLAY_ID_12 0x12
1204#define IPR_HOST_RCB_OVERLAY_ID_13 0x13
1205#define IPR_HOST_RCB_OVERLAY_ID_14 0x14
1206#define IPR_HOST_RCB_OVERLAY_ID_16 0x16
1207#define IPR_HOST_RCB_OVERLAY_ID_17 0x17
1208#define IPR_HOST_RCB_OVERLAY_ID_20 0x20
1209#define IPR_HOST_RCB_OVERLAY_ID_21 0x21
1210#define IPR_HOST_RCB_OVERLAY_ID_23 0x23
1211#define IPR_HOST_RCB_OVERLAY_ID_24 0x24
1212#define IPR_HOST_RCB_OVERLAY_ID_26 0x26
1213#define IPR_HOST_RCB_OVERLAY_ID_30 0x30
1214#define IPR_HOST_RCB_OVERLAY_ID_41 0x41
1215#define IPR_HOST_RCB_OVERLAY_ID_DEFAULT 0xFF
1216
1217 u8 reserved1[3];
1218 __be32 ilid;
1219 __be32 time_since_last_ioa_reset;
1220 __be32 reserved2;
1221 __be32 length;
1222
1223 union {
1224 struct ipr_hostrcb_error error;
1225 struct ipr_hostrcb64_error error64;
1226 struct ipr_hostrcb_cfg_ch_not ccn;
1227 struct ipr_hostrcb_raw raw;
1228 } u;
1229}__attribute__((packed, aligned (4)));
1230
1231struct ipr_hostrcb {
1232 struct ipr_hcam hcam;
1233 dma_addr_t hostrcb_dma;
1234 struct list_head queue;
1235 struct ipr_ioa_cfg *ioa_cfg;
1236 char rp_buffer[IPR_MAX_RES_PATH_LENGTH];
1237};
1238
1239/* IPR smart dump table structures */
1240struct ipr_sdt_entry {
1241 __be32 start_token;
1242 __be32 end_token;
1243 u8 reserved[4];
1244
1245 u8 flags;
1246#define IPR_SDT_ENDIAN 0x80
1247#define IPR_SDT_VALID_ENTRY 0x20
1248
1249 u8 resv;
1250 __be16 priority;
1251}__attribute__((packed, aligned (4)));
1252
1253struct ipr_sdt_header {
1254 __be32 state;
1255 __be32 num_entries;
1256 __be32 num_entries_used;
1257 __be32 dump_size;
1258}__attribute__((packed, aligned (4)));
1259
1260struct ipr_sdt {
1261 struct ipr_sdt_header hdr;
1262 struct ipr_sdt_entry entry[IPR_FMT3_NUM_SDT_ENTRIES];
1263}__attribute__((packed, aligned (4)));
1264
1265struct ipr_uc_sdt {
1266 struct ipr_sdt_header hdr;
1267 struct ipr_sdt_entry entry[1];
1268}__attribute__((packed, aligned (4)));
1269
1270/*
1271 * Driver types
1272 */
1273struct ipr_bus_attributes {
1274 u8 bus;
1275 u8 qas_enabled;
1276 u8 bus_width;
1277 u8 reserved;
1278 u32 max_xfer_rate;
1279};
1280
1281struct ipr_sata_port {
1282 struct ipr_ioa_cfg *ioa_cfg;
1283 struct ata_port *ap;
1284 struct ipr_resource_entry *res;
1285 struct ipr_ioasa_gata ioasa;
1286};
1287
1288struct ipr_resource_entry {
1289 u8 needs_sync_complete:1;
1290 u8 in_erp:1;
1291 u8 add_to_ml:1;
1292 u8 del_from_ml:1;
1293 u8 resetting_device:1;
1294 u8 reset_occurred:1;
1295 u8 raw_mode:1;
1296
1297 u32 bus; /* AKA channel */
1298 u32 target; /* AKA id */
1299 u32 lun;
1300#define IPR_ARRAY_VIRTUAL_BUS 0x1
1301#define IPR_VSET_VIRTUAL_BUS 0x2
1302#define IPR_IOAFP_VIRTUAL_BUS 0x3
1303
1304#define IPR_GET_RES_PHYS_LOC(res) \
1305 (((res)->bus << 24) | ((res)->target << 8) | (res)->lun)
1306
1307 u8 ata_class;
1308 u8 type;
1309
1310 u16 flags;
1311 u16 res_flags;
1312
1313 u8 qmodel;
1314 struct ipr_std_inq_data std_inq_data;
1315
1316 __be32 res_handle;
1317 __be64 dev_id;
1318 u64 lun_wwn;
1319 struct scsi_lun dev_lun;
1320 u8 res_path[8];
1321
1322 struct ipr_ioa_cfg *ioa_cfg;
1323 struct scsi_device *sdev;
1324 struct ipr_sata_port *sata_port;
1325 struct list_head queue;
1326}; /* struct ipr_resource_entry */
1327
1328struct ipr_resource_hdr {
1329 u16 num_entries;
1330 u16 reserved;
1331};
1332
1333struct ipr_misc_cbs {
1334 struct ipr_ioa_vpd ioa_vpd;
1335 struct ipr_inquiry_page0 page0_data;
1336 struct ipr_inquiry_page3 page3_data;
1337 struct ipr_inquiry_cap cap;
1338 struct ipr_inquiry_pageC4 pageC4_data;
1339 struct ipr_mode_pages mode_pages;
1340 struct ipr_supported_device supp_dev;
1341};
1342
1343struct ipr_interrupt_offsets {
1344 unsigned long set_interrupt_mask_reg;
1345 unsigned long clr_interrupt_mask_reg;
1346 unsigned long clr_interrupt_mask_reg32;
1347 unsigned long sense_interrupt_mask_reg;
1348 unsigned long sense_interrupt_mask_reg32;
1349 unsigned long clr_interrupt_reg;
1350 unsigned long clr_interrupt_reg32;
1351
1352 unsigned long sense_interrupt_reg;
1353 unsigned long sense_interrupt_reg32;
1354 unsigned long ioarrin_reg;
1355 unsigned long sense_uproc_interrupt_reg;
1356 unsigned long sense_uproc_interrupt_reg32;
1357 unsigned long set_uproc_interrupt_reg;
1358 unsigned long set_uproc_interrupt_reg32;
1359 unsigned long clr_uproc_interrupt_reg;
1360 unsigned long clr_uproc_interrupt_reg32;
1361
1362 unsigned long init_feedback_reg;
1363
1364 unsigned long dump_addr_reg;
1365 unsigned long dump_data_reg;
1366
1367#define IPR_ENDIAN_SWAP_KEY 0x00080800
1368 unsigned long endian_swap_reg;
1369};
1370
1371struct ipr_interrupts {
1372 void __iomem *set_interrupt_mask_reg;
1373 void __iomem *clr_interrupt_mask_reg;
1374 void __iomem *clr_interrupt_mask_reg32;
1375 void __iomem *sense_interrupt_mask_reg;
1376 void __iomem *sense_interrupt_mask_reg32;
1377 void __iomem *clr_interrupt_reg;
1378 void __iomem *clr_interrupt_reg32;
1379
1380 void __iomem *sense_interrupt_reg;
1381 void __iomem *sense_interrupt_reg32;
1382 void __iomem *ioarrin_reg;
1383 void __iomem *sense_uproc_interrupt_reg;
1384 void __iomem *sense_uproc_interrupt_reg32;
1385 void __iomem *set_uproc_interrupt_reg;
1386 void __iomem *set_uproc_interrupt_reg32;
1387 void __iomem *clr_uproc_interrupt_reg;
1388 void __iomem *clr_uproc_interrupt_reg32;
1389
1390 void __iomem *init_feedback_reg;
1391
1392 void __iomem *dump_addr_reg;
1393 void __iomem *dump_data_reg;
1394
1395 void __iomem *endian_swap_reg;
1396};
1397
1398struct ipr_chip_cfg_t {
1399 u32 mailbox;
1400 u16 max_cmds;
1401 u8 cache_line_size;
1402 u8 clear_isr;
1403 u32 iopoll_weight;
1404 struct ipr_interrupt_offsets regs;
1405};
1406
1407struct ipr_chip_t {
1408 u16 vendor;
1409 u16 device;
1410 bool has_msi;
1411 u16 sis_type;
1412#define IPR_SIS32 0x00
1413#define IPR_SIS64 0x01
1414 u16 bist_method;
1415#define IPR_PCI_CFG 0x00
1416#define IPR_MMIO 0x01
1417 const struct ipr_chip_cfg_t *cfg;
1418};
1419
1420enum ipr_shutdown_type {
1421 IPR_SHUTDOWN_NORMAL = 0x00,
1422 IPR_SHUTDOWN_PREPARE_FOR_NORMAL = 0x40,
1423 IPR_SHUTDOWN_ABBREV = 0x80,
1424 IPR_SHUTDOWN_NONE = 0x100,
1425 IPR_SHUTDOWN_QUIESCE = 0x101,
1426};
1427
1428struct ipr_trace_entry {
1429 u32 time;
1430
1431 u8 op_code;
1432 u8 ata_op_code;
1433 u8 type;
1434#define IPR_TRACE_START 0x00
1435#define IPR_TRACE_FINISH 0xff
1436 u8 cmd_index;
1437
1438 __be32 res_handle;
1439 union {
1440 u32 ioasc;
1441 u32 add_data;
1442 u32 res_addr;
1443 } u;
1444};
1445
1446struct ipr_sglist {
1447 u32 order;
1448 u32 num_sg;
1449 u32 num_dma_sg;
1450 u32 buffer_len;
1451 struct scatterlist *scatterlist;
1452};
1453
1454enum ipr_sdt_state {
1455 INACTIVE,
1456 WAIT_FOR_DUMP,
1457 GET_DUMP,
1458 READ_DUMP,
1459 ABORT_DUMP,
1460 DUMP_OBTAINED
1461};
1462
1463/* Per-controller data */
1464struct ipr_ioa_cfg {
1465 char eye_catcher[8];
1466#define IPR_EYECATCHER "iprcfg"
1467
1468 struct list_head queue;
1469
1470 u8 in_reset_reload:1;
1471 u8 in_ioa_bringdown:1;
1472 u8 ioa_unit_checked:1;
1473 u8 dump_taken:1;
1474 u8 scan_enabled:1;
1475 u8 scan_done:1;
1476 u8 needs_hard_reset:1;
1477 u8 dual_raid:1;
1478 u8 needs_warm_reset:1;
1479 u8 msi_received:1;
1480 u8 sis64:1;
1481 u8 dump_timeout:1;
1482 u8 cfg_locked:1;
1483 u8 clear_isr:1;
1484 u8 probe_done:1;
1485 u8 scsi_unblock:1;
1486 u8 scsi_blocked:1;
1487
1488 u8 revid;
1489
1490 /*
1491 * Bitmaps for SIS64 generated target values
1492 */
1493 unsigned long target_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1494 unsigned long array_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1495 unsigned long vset_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1496
1497 u16 type; /* CCIN of the card */
1498
1499 u8 log_level;
1500#define IPR_MAX_LOG_LEVEL 4
1501#define IPR_DEFAULT_LOG_LEVEL 2
1502#define IPR_DEBUG_LOG_LEVEL 3
1503
1504#define IPR_NUM_TRACE_INDEX_BITS 8
1505#define IPR_NUM_TRACE_ENTRIES (1 << IPR_NUM_TRACE_INDEX_BITS)
1506#define IPR_TRACE_INDEX_MASK (IPR_NUM_TRACE_ENTRIES - 1)
1507#define IPR_TRACE_SIZE (sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES)
1508 char trace_start[8];
1509#define IPR_TRACE_START_LABEL "trace"
1510 struct ipr_trace_entry *trace;
1511 atomic_t trace_index;
1512
1513 char cfg_table_start[8];
1514#define IPR_CFG_TBL_START "cfg"
1515 union {
1516 struct ipr_config_table *cfg_table;
1517 struct ipr_config_table64 *cfg_table64;
1518 } u;
1519 dma_addr_t cfg_table_dma;
1520 u32 cfg_table_size;
1521 u32 max_devs_supported;
1522
1523 char resource_table_label[8];
1524#define IPR_RES_TABLE_LABEL "res_tbl"
1525 struct ipr_resource_entry *res_entries;
1526 struct list_head free_res_q;
1527 struct list_head used_res_q;
1528
1529 char ipr_hcam_label[8];
1530#define IPR_HCAM_LABEL "hcams"
1531 struct ipr_hostrcb *hostrcb[IPR_MAX_HCAMS];
1532 dma_addr_t hostrcb_dma[IPR_MAX_HCAMS];
1533 struct list_head hostrcb_free_q;
1534 struct list_head hostrcb_pending_q;
1535 struct list_head hostrcb_report_q;
1536
1537 struct ipr_hrr_queue hrrq[IPR_MAX_HRRQ_NUM];
1538 u32 hrrq_num;
1539 atomic_t hrrq_index;
1540 u16 identify_hrrq_index;
1541
1542 struct ipr_bus_attributes bus_attr[IPR_MAX_NUM_BUSES];
1543
1544 unsigned int transop_timeout;
1545 const struct ipr_chip_cfg_t *chip_cfg;
1546 const struct ipr_chip_t *ipr_chip;
1547
1548 void __iomem *hdw_dma_regs; /* iomapped PCI memory space */
1549 unsigned long hdw_dma_regs_pci; /* raw PCI memory space */
1550 void __iomem *ioa_mailbox;
1551 struct ipr_interrupts regs;
1552
1553 u16 saved_pcix_cmd_reg;
1554 u16 reset_retries;
1555
1556 u32 errors_logged;
1557 u32 doorbell;
1558
1559 struct Scsi_Host *host;
1560 struct pci_dev *pdev;
1561 struct ipr_sglist *ucode_sglist;
1562 u8 saved_mode_page_len;
1563
1564 struct work_struct work_q;
1565 struct work_struct scsi_add_work_q;
1566 struct workqueue_struct *reset_work_q;
1567
1568 wait_queue_head_t reset_wait_q;
1569 wait_queue_head_t msi_wait_q;
1570 wait_queue_head_t eeh_wait_q;
1571
1572 struct ipr_dump *dump;
1573 enum ipr_sdt_state sdt_state;
1574
1575 struct ipr_misc_cbs *vpd_cbs;
1576 dma_addr_t vpd_cbs_dma;
1577
1578 struct dma_pool *ipr_cmd_pool;
1579
1580 struct ipr_cmnd *reset_cmd;
1581 int (*reset) (struct ipr_cmnd *);
1582
1583 struct ata_host ata_host;
1584 char ipr_cmd_label[8];
1585#define IPR_CMD_LABEL "ipr_cmd"
1586 u32 max_cmds;
1587 struct ipr_cmnd **ipr_cmnd_list;
1588 dma_addr_t *ipr_cmnd_list_dma;
1589
1590 unsigned int nvectors;
1591
1592 struct {
1593 char desc[22];
1594 } vectors_info[IPR_MAX_MSIX_VECTORS];
1595
1596 u32 iopoll_weight;
1597
1598}; /* struct ipr_ioa_cfg */
1599
1600struct ipr_cmnd {
1601 struct ipr_ioarcb ioarcb;
1602 union {
1603 struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
1604 struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
1605 struct ipr_ata64_ioadl ata_ioadl;
1606 } i;
1607 union {
1608 struct ipr_ioasa ioasa;
1609 struct ipr_ioasa64 ioasa64;
1610 } s;
1611 struct list_head queue;
1612 struct scsi_cmnd *scsi_cmd;
1613 struct ata_queued_cmd *qc;
1614 struct completion completion;
1615 struct timer_list timer;
1616 struct work_struct work;
1617 void (*fast_done) (struct ipr_cmnd *);
1618 void (*done) (struct ipr_cmnd *);
1619 int (*job_step) (struct ipr_cmnd *);
1620 int (*job_step_failed) (struct ipr_cmnd *);
1621 u16 cmd_index;
1622 u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
1623 dma_addr_t sense_buffer_dma;
1624 unsigned short dma_use_sg;
1625 dma_addr_t dma_addr;
1626 struct ipr_cmnd *sibling;
1627 union {
1628 enum ipr_shutdown_type shutdown_type;
1629 struct ipr_hostrcb *hostrcb;
1630 unsigned long time_left;
1631 unsigned long scratch;
1632 struct ipr_resource_entry *res;
1633 struct scsi_device *sdev;
1634 } u;
1635
1636 struct completion *eh_comp;
1637 struct ipr_hrr_queue *hrrq;
1638 struct ipr_ioa_cfg *ioa_cfg;
1639};
1640
1641struct ipr_ses_table_entry {
1642 char product_id[17];
1643 char compare_product_id_byte[17];
1644 u32 max_bus_speed_limit; /* MB/sec limit for this backplane */
1645};
1646
1647struct ipr_dump_header {
1648 u32 eye_catcher;
1649#define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1650 u32 len;
1651 u32 num_entries;
1652 u32 first_entry_offset;
1653 u32 status;
1654#define IPR_DUMP_STATUS_SUCCESS 0
1655#define IPR_DUMP_STATUS_QUAL_SUCCESS 2
1656#define IPR_DUMP_STATUS_FAILED 0xffffffff
1657 u32 os;
1658#define IPR_DUMP_OS_LINUX 0x4C4E5558
1659 u32 driver_name;
1660#define IPR_DUMP_DRIVER_NAME 0x49505232
1661}__attribute__((packed, aligned (4)));
1662
1663struct ipr_dump_entry_header {
1664 u32 eye_catcher;
1665#define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1666 u32 len;
1667 u32 num_elems;
1668 u32 offset;
1669 u32 data_type;
1670#define IPR_DUMP_DATA_TYPE_ASCII 0x41534349
1671#define IPR_DUMP_DATA_TYPE_BINARY 0x42494E41
1672 u32 id;
1673#define IPR_DUMP_IOA_DUMP_ID 0x494F4131
1674#define IPR_DUMP_LOCATION_ID 0x4C4F4341
1675#define IPR_DUMP_TRACE_ID 0x54524143
1676#define IPR_DUMP_DRIVER_VERSION_ID 0x44525652
1677#define IPR_DUMP_DRIVER_TYPE_ID 0x54595045
1678#define IPR_DUMP_IOA_CTRL_BLK 0x494F4342
1679#define IPR_DUMP_PEND_OPS 0x414F5053
1680 u32 status;
1681}__attribute__((packed, aligned (4)));
1682
1683struct ipr_dump_location_entry {
1684 struct ipr_dump_entry_header hdr;
1685 u8 location[20];
1686}__attribute__((packed));
1687
1688struct ipr_dump_trace_entry {
1689 struct ipr_dump_entry_header hdr;
1690 u32 trace[IPR_TRACE_SIZE / sizeof(u32)];
1691}__attribute__((packed, aligned (4)));
1692
1693struct ipr_dump_version_entry {
1694 struct ipr_dump_entry_header hdr;
1695 u8 version[sizeof(IPR_DRIVER_VERSION)];
1696};
1697
1698struct ipr_dump_ioa_type_entry {
1699 struct ipr_dump_entry_header hdr;
1700 u32 type;
1701 u32 fw_version;
1702};
1703
1704struct ipr_driver_dump {
1705 struct ipr_dump_header hdr;
1706 struct ipr_dump_version_entry version_entry;
1707 struct ipr_dump_location_entry location_entry;
1708 struct ipr_dump_ioa_type_entry ioa_type_entry;
1709 struct ipr_dump_trace_entry trace_entry;
1710}__attribute__((packed));
1711
1712struct ipr_ioa_dump {
1713 struct ipr_dump_entry_header hdr;
1714 struct ipr_sdt sdt;
1715 __be32 **ioa_data;
1716 u32 reserved;
1717 u32 next_page_index;
1718 u32 page_offset;
1719 u32 format;
1720}__attribute__((packed, aligned (4)));
1721
1722struct ipr_dump {
1723 struct kref kref;
1724 struct ipr_ioa_cfg *ioa_cfg;
1725 struct ipr_driver_dump driver_dump;
1726 struct ipr_ioa_dump ioa_dump;
1727};
1728
1729struct ipr_error_table_t {
1730 u32 ioasc;
1731 int log_ioasa;
1732 int log_hcam;
1733 char *error;
1734};
1735
1736struct ipr_software_inq_lid_info {
1737 __be32 load_id;
1738 __be32 timestamp[3];
1739}__attribute__((packed, aligned (4)));
1740
1741struct ipr_ucode_image_header {
1742 __be32 header_length;
1743 __be32 lid_table_offset;
1744 u8 major_release;
1745 u8 card_type;
1746 u8 minor_release[2];
1747 u8 reserved[20];
1748 char eyecatcher[16];
1749 __be32 num_lids;
1750 struct ipr_software_inq_lid_info lid[1];
1751}__attribute__((packed, aligned (4)));
1752
1753/*
1754 * Macros
1755 */
1756#define IPR_DBG_CMD(CMD) if (ipr_debug) { CMD; }
1757
1758#ifdef CONFIG_SCSI_IPR_TRACE
1759#define ipr_create_trace_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1760#define ipr_remove_trace_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1761#else
1762#define ipr_create_trace_file(kobj, attr) 0
1763#define ipr_remove_trace_file(kobj, attr) do { } while(0)
1764#endif
1765
1766#ifdef CONFIG_SCSI_IPR_DUMP
1767#define ipr_create_dump_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1768#define ipr_remove_dump_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1769#else
1770#define ipr_create_dump_file(kobj, attr) 0
1771#define ipr_remove_dump_file(kobj, attr) do { } while(0)
1772#endif
1773
1774/*
1775 * Error logging macros
1776 */
1777#define ipr_err(...) printk(KERN_ERR IPR_NAME ": "__VA_ARGS__)
1778#define ipr_info(...) printk(KERN_INFO IPR_NAME ": "__VA_ARGS__)
1779#define ipr_dbg(...) IPR_DBG_CMD(printk(KERN_INFO IPR_NAME ": "__VA_ARGS__))
1780
1781#define ipr_res_printk(level, ioa_cfg, bus, target, lun, fmt, ...) \
1782 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1783 bus, target, lun, ##__VA_ARGS__)
1784
1785#define ipr_res_err(ioa_cfg, res, fmt, ...) \
1786 ipr_res_printk(KERN_ERR, ioa_cfg, (res)->bus, (res)->target, (res)->lun, fmt, ##__VA_ARGS__)
1787
1788#define ipr_ra_printk(level, ioa_cfg, ra, fmt, ...) \
1789 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1790 (ra).bus, (ra).target, (ra).lun, ##__VA_ARGS__)
1791
1792#define ipr_ra_err(ioa_cfg, ra, fmt, ...) \
1793 ipr_ra_printk(KERN_ERR, ioa_cfg, ra, fmt, ##__VA_ARGS__)
1794
1795#define ipr_phys_res_err(ioa_cfg, res, fmt, ...) \
1796{ \
1797 if ((res).bus >= IPR_MAX_NUM_BUSES) { \
1798 ipr_err(fmt": unknown\n", ##__VA_ARGS__); \
1799 } else { \
1800 ipr_err(fmt": %d:%d:%d:%d\n", \
1801 ##__VA_ARGS__, (ioa_cfg)->host->host_no, \
1802 (res).bus, (res).target, (res).lun); \
1803 } \
1804}
1805
1806#define ipr_hcam_err(hostrcb, fmt, ...) \
1807{ \
1808 if (ipr_is_device(hostrcb)) { \
1809 if ((hostrcb)->ioa_cfg->sis64) { \
1810 printk(KERN_ERR IPR_NAME ": %s: " fmt, \
1811 ipr_format_res_path(hostrcb->ioa_cfg, \
1812 hostrcb->hcam.u.error64.fd_res_path, \
1813 hostrcb->rp_buffer, \
1814 sizeof(hostrcb->rp_buffer)), \
1815 __VA_ARGS__); \
1816 } else { \
1817 ipr_ra_err((hostrcb)->ioa_cfg, \
1818 (hostrcb)->hcam.u.error.fd_res_addr, \
1819 fmt, __VA_ARGS__); \
1820 } \
1821 } else { \
1822 dev_err(&(hostrcb)->ioa_cfg->pdev->dev, fmt, __VA_ARGS__); \
1823 } \
1824}
1825
1826#define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
1827 __FILE__, __func__, __LINE__)
1828
1829#define ENTER IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Entering %s\n", __func__))
1830#define LEAVE IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Leaving %s\n", __func__))
1831
1832#define ipr_err_separator \
1833ipr_err("----------------------------------------------------------\n")
1834
1835
1836/*
1837 * Inlines
1838 */
1839
1840/**
1841 * ipr_is_ioa_resource - Determine if a resource is the IOA
1842 * @res: resource entry struct
1843 *
1844 * Return value:
1845 * 1 if IOA / 0 if not IOA
1846 **/
1847static inline int ipr_is_ioa_resource(struct ipr_resource_entry *res)
1848{
1849 return res->type == IPR_RES_TYPE_IOAFP;
1850}
1851
1852/**
1853 * ipr_is_af_dasd_device - Determine if a resource is an AF DASD
1854 * @res: resource entry struct
1855 *
1856 * Return value:
1857 * 1 if AF DASD / 0 if not AF DASD
1858 **/
1859static inline int ipr_is_af_dasd_device(struct ipr_resource_entry *res)
1860{
1861 return res->type == IPR_RES_TYPE_AF_DASD ||
1862 res->type == IPR_RES_TYPE_REMOTE_AF_DASD;
1863}
1864
1865/**
1866 * ipr_is_vset_device - Determine if a resource is a VSET
1867 * @res: resource entry struct
1868 *
1869 * Return value:
1870 * 1 if VSET / 0 if not VSET
1871 **/
1872static inline int ipr_is_vset_device(struct ipr_resource_entry *res)
1873{
1874 return res->type == IPR_RES_TYPE_VOLUME_SET;
1875}
1876
1877/**
1878 * ipr_is_gscsi - Determine if a resource is a generic scsi resource
1879 * @res: resource entry struct
1880 *
1881 * Return value:
1882 * 1 if GSCSI / 0 if not GSCSI
1883 **/
1884static inline int ipr_is_gscsi(struct ipr_resource_entry *res)
1885{
1886 return res->type == IPR_RES_TYPE_GENERIC_SCSI;
1887}
1888
1889/**
1890 * ipr_is_scsi_disk - Determine if a resource is a SCSI disk
1891 * @res: resource entry struct
1892 *
1893 * Return value:
1894 * 1 if SCSI disk / 0 if not SCSI disk
1895 **/
1896static inline int ipr_is_scsi_disk(struct ipr_resource_entry *res)
1897{
1898 if (ipr_is_af_dasd_device(res) ||
1899 (ipr_is_gscsi(res) && IPR_IS_DASD_DEVICE(res->std_inq_data)))
1900 return 1;
1901 else
1902 return 0;
1903}
1904
1905/**
1906 * ipr_is_gata - Determine if a resource is a generic ATA resource
1907 * @res: resource entry struct
1908 *
1909 * Return value:
1910 * 1 if GATA / 0 if not GATA
1911 **/
1912static inline int ipr_is_gata(struct ipr_resource_entry *res)
1913{
1914 return res->type == IPR_RES_TYPE_GENERIC_ATA;
1915}
1916
1917/**
1918 * ipr_is_naca_model - Determine if a resource is using NACA queueing model
1919 * @res: resource entry struct
1920 *
1921 * Return value:
1922 * 1 if NACA queueing model / 0 if not NACA queueing model
1923 **/
1924static inline int ipr_is_naca_model(struct ipr_resource_entry *res)
1925{
1926 if (ipr_is_gscsi(res) && res->qmodel == IPR_QUEUE_NACA_MODEL)
1927 return 1;
1928 return 0;
1929}
1930
1931/**
1932 * ipr_is_device - Determine if the hostrcb structure is related to a device
1933 * @hostrcb: host resource control blocks struct
1934 *
1935 * Return value:
1936 * 1 if AF / 0 if not AF
1937 **/
1938static inline int ipr_is_device(struct ipr_hostrcb *hostrcb)
1939{
1940 struct ipr_res_addr *res_addr;
1941 u8 *res_path;
1942
1943 if (hostrcb->ioa_cfg->sis64) {
1944 res_path = &hostrcb->hcam.u.error64.fd_res_path[0];
1945 if ((res_path[0] == 0x00 || res_path[0] == 0x80 ||
1946 res_path[0] == 0x81) && res_path[2] != 0xFF)
1947 return 1;
1948 } else {
1949 res_addr = &hostrcb->hcam.u.error.fd_res_addr;
1950
1951 if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
1952 (res_addr->target < (IPR_MAX_NUM_TARGETS_PER_BUS - 1)))
1953 return 1;
1954 }
1955 return 0;
1956}
1957
1958/**
1959 * ipr_sdt_is_fmt2 - Determine if a SDT address is in format 2
1960 * @sdt_word: SDT address
1961 *
1962 * Return value:
1963 * 1 if format 2 / 0 if not
1964 **/
1965static inline int ipr_sdt_is_fmt2(u32 sdt_word)
1966{
1967 u32 bar_sel = IPR_GET_FMT2_BAR_SEL(sdt_word);
1968
1969 switch (bar_sel) {
1970 case IPR_SDT_FMT2_BAR0_SEL:
1971 case IPR_SDT_FMT2_BAR1_SEL:
1972 case IPR_SDT_FMT2_BAR2_SEL:
1973 case IPR_SDT_FMT2_BAR3_SEL:
1974 case IPR_SDT_FMT2_BAR4_SEL:
1975 case IPR_SDT_FMT2_BAR5_SEL:
1976 case IPR_SDT_FMT2_EXP_ROM_SEL:
1977 return 1;
1978 };
1979
1980 return 0;
1981}
1982
1983#ifndef writeq
1984static inline void writeq(u64 val, void __iomem *addr)
1985{
1986 writel(((u32) (val >> 32)), addr);
1987 writel(((u32) (val)), (addr + 4));
1988}
1989#endif
1990
1991#endif /* _IPR_H */