1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * ipr.h -- driver for IBM Power Linux RAID adapters
5 * Written By: Brian King <brking@us.ibm.com>, IBM Corporation
7 * Copyright (C) 2003, 2004 IBM Corporation
9 * Alan Cox <alan@lxorguk.ukuu.org.uk> - Removed several careless u32/dma_addr_t errors
10 * that broke 64bit platforms.
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>
29 #define IPR_DRIVER_VERSION "2.6.4"
30 #define IPR_DRIVER_DATE "(March 14, 2017)"
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.
37 #define IPR_MAX_CMD_PER_LUN 6
38 #define IPR_MAX_CMD_PER_ATA_LUN 1
41 * IPR_NUM_BASE_CMD_BLKS: This defines the maximum number of
42 * ops the mid-layer can send to the adapter.
44 #define IPR_NUM_BASE_CMD_BLKS (ioa_cfg->max_cmds)
46 #define PCI_DEVICE_ID_IBM_OBSIDIAN_E 0x0339
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
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
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
80 #define IPR_SUBS_DEV_ID_57B5 0x033C
81 #define IPR_SUBS_DEV_ID_57CE 0x035E
82 #define IPR_SUBS_DEV_ID_57B1 0x0355
84 #define IPR_SUBS_DEV_ID_574D 0x0356
85 #define IPR_SUBS_DEV_ID_57C8 0x035D
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"
109 #define IPR_RC_JOB_CONTINUE 1
110 #define IPR_RC_JOB_RETURN 2
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
133 #define IPR_FIRST_DRIVER_IOASC 0x10000000
134 #define IPR_IOASC_IOA_WAS_RESET 0x10000001
135 #define IPR_IOASC_PCI_ACCESS_ERROR 0x10000002
137 /* Driver data flags */
138 #define IPR_USE_LONG_TRANSOP_TIMEOUT 0x00000001
139 #define IPR_USE_PCI_WARM_RESET 0x00000002
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)
148 #define IPR_MAX_SIS64_TARGETS_PER_BUS 1024
149 #define IPR_MAX_SIS64_LUNS_PER_TARGET 0xffffffff
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
159 #define IPR_NUM_RESET_RELOAD_RETRIES 3
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)
165 #define IPR_MAX_COMMANDS 100
166 #define IPR_NUM_CMD_BLKS (IPR_NUM_BASE_CMD_BLKS + \
167 IPR_NUM_INTERNAL_CMD_BLKS)
169 #define IPR_MAX_PHYSICAL_DEVS 192
170 #define IPR_DEFAULT_SIS64_DEVS 1024
171 #define IPR_MAX_SIS64_DEVS 4096
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
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))
185 #define IPR_IOA_RES_HANDLE 0xffffffff
186 #define IPR_INVALID_RES_HANDLE 0
187 #define IPR_IOA_RES_ADDR 0x00ffffff
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
213 /* IOA Service Actions */
214 #define IPR_IOA_SA_CHANGE_CACHE_PARAMS 0x14
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)
246 #define IPR_VENDOR_ID_LEN 8
247 #define IPR_PROD_ID_LEN 16
248 #define IPR_SERIAL_NUM_LEN 8
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
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)
278 #define IPR_PCII_MAILBOX_STABLE (0x80000000 >> 4)
279 #define IPR_WAIT_FOR_MAILBOX (2 * HZ)
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)
293 #define IPR_PCII_ERROR_INTERRUPTS \
294 (IPR_PCII_IOARCB_XFER_FAILED | IPR_PCII_IOA_UNIT_CHECKED | \
295 IPR_PCII_NO_HOST_RRQ | IPR_PCII_IOARRIN_LOST | IPR_PCII_MMIO_ERROR)
297 #define IPR_PCII_OPER_INTERRUPTS \
298 (IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED | IPR_PCII_IOA_TRANS_TO_OPER)
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)
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 */
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)
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
326 * Adapter interface types
329 struct ipr_res_addr {
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)));
338 struct ipr_std_inq_vpids {
339 u8 vendor_id[IPR_VENDOR_ID_LEN];
340 u8 product_id[IPR_PROD_ID_LEN];
341 }__attribute__((packed));
344 struct ipr_std_inq_vpids vpids;
345 u8 sn[IPR_SERIAL_NUM_LEN];
346 }__attribute__((packed));
351 }__attribute__((packed));
353 struct ipr_ext_vpd64 {
356 }__attribute__((packed));
358 struct 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)
363 u8 removeable_medium_rsvd;
364 #define IPR_STD_INQ_REMOVEABLE_MEDIUM 0x80
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))
370 #define IPR_IS_SES_DEVICE(std_inq) \
371 (IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_ENCLOSURE)
380 struct ipr_std_inq_vpids vpids;
382 u8 ros_rsvd_ram_rsvd[4];
384 u8 serial_num[IPR_SERIAL_NUM_LEN];
385 }__attribute__ ((packed));
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
395 struct ipr_config_table_entry {
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
403 #define IPR_IS_IOA_RESOURCE 0x80
406 #define IPR_QUEUEING_MODEL(res) ((((res)->flags) & 0x70) >> 4)
407 #define IPR_QUEUE_FROZEN_MODEL 0
408 #define IPR_QUEUE_NACA_MODEL 1
410 struct ipr_res_addr res_addr;
413 struct ipr_std_inq_data std_inq_data;
414 }__attribute__ ((packed, aligned (4)));
416 struct ipr_config_table_entry64 {
423 #define IPR_QUEUEING_MODEL64(res) ((((res)->res_flags) & 0x7000) >> 12)
430 #define IPR_MAX_RES_PATH_LENGTH 48
432 struct ipr_std_inq_data std_inq_data;
436 }__attribute__ ((packed, aligned (8)));
438 struct ipr_config_table_hdr {
441 #define IPR_UCODE_DOWNLOAD_REQ 0x10
443 }__attribute__((packed, aligned (4)));
445 struct ipr_config_table_hdr64 {
450 }__attribute__((packed, aligned (4)));
452 struct ipr_config_table {
453 struct ipr_config_table_hdr hdr;
454 struct ipr_config_table_entry dev[];
455 }__attribute__((packed, aligned (4)));
457 struct ipr_config_table64 {
458 struct ipr_config_table_hdr64 hdr64;
459 struct ipr_config_table_entry64 dev[];
460 }__attribute__((packed, aligned (8)));
462 struct ipr_config_table_entry_wrapper {
464 struct ipr_config_table_entry *cfgte;
465 struct ipr_config_table_entry64 *cfgte64;
469 struct ipr_hostrcb_cfg_ch_not {
471 struct ipr_config_table_entry cfgte;
472 struct ipr_config_table_entry64 cfgte64;
475 }__attribute__((packed, aligned (4)));
477 struct ipr_supported_device {
481 struct ipr_std_inq_vpids vpids;
483 }__attribute__((packed, aligned (4)));
485 struct ipr_hrr_queue {
486 struct ipr_ioa_cfg *ioa_cfg;
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;
498 struct list_head hrrq_free_q;
499 struct list_head hrrq_pending_q;
503 volatile u32 toggle_bit;
507 u8 allow_interrupts:1;
512 struct irq_poll iopoll;
515 /* Command packet structure */
517 u8 reserved; /* Reserved by IOA */
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
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
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
546 }__attribute__ ((packed, aligned(4)));
548 struct ipr_ioarcb_ata_regs { /* 22 bytes */
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
570 }__attribute__ ((packed, aligned(2)));
572 struct 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
585 }__attribute__((packed, aligned (8)));
587 struct ipr_ioadl64_desc {
591 }__attribute__((packed, aligned (16)));
593 struct ipr_ata64_ioadl {
594 struct ipr_ioarcb_ata_regs regs;
596 struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
597 }__attribute__((packed, aligned (16)));
599 struct ipr_ioarcb_add_data {
601 struct ipr_ioarcb_ata_regs regs;
602 struct ipr_ioadl_desc ioadl[5];
603 __be32 add_cmd_parms[10];
605 }__attribute__ ((packed, aligned (4)));
607 struct ipr_ioarcb_sis64_add_addr_ecb {
608 __be64 ioasa_host_pci_addr;
609 __be64 data_ioadl_addr;
611 __be32 ext_control_buf[4];
612 }__attribute__((packed, aligned (8)));
614 /* IOA Request Control Block 128 bytes */
617 __be32 ioarcb_host_pci_addr;
618 __be64 ioarcb_host_pci_addr64;
621 __be32 host_response_handle;
626 __be32 data_transfer_length;
627 __be32 read_data_transfer_length;
628 __be32 write_ioadl_addr;
630 __be32 read_ioadl_addr;
631 __be32 read_ioadl_len;
633 __be32 ioasa_host_pci_addr;
637 struct ipr_cmd_pkt cmd_pkt;
639 __be16 add_cmd_parms_offset;
640 __be16 add_cmd_parms_len;
643 struct ipr_ioarcb_add_data add_data;
644 struct ipr_ioarcb_sis64_add_addr_ecb sis64_addr_data;
647 }__attribute__((packed, aligned (4)));
649 struct ipr_ioasa_vset {
650 __be32 failing_lba_hi;
651 __be32 failing_lba_lo;
653 }__attribute__((packed, aligned (4)));
655 struct ipr_ioasa_af_dasd {
658 }__attribute__((packed, aligned (4)));
660 struct ipr_ioasa_gpdd {
665 }__attribute__((packed, aligned (4)));
667 struct ipr_ioasa_gata {
669 u8 nsect; /* Interrupt reason */
675 u8 alt_status; /* ATA CTL */
680 }__attribute__((packed, aligned (4)));
682 struct ipr_auto_sense {
683 __be16 auto_sense_len;
685 __be32 data[SCSI_SENSE_BUFFERSIZE/sizeof(__be32)];
688 struct ipr_ioasa_hdr {
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)
695 __be16 ret_stat_len; /* Length of the returned IOASA */
697 __be16 avail_stat_len; /* Total Length of status available. */
699 __be32 residual_data_len; /* number of bytes in the host data */
700 /* buffers that were not used by the IOARCB command. */
703 #define IPR_NO_ILID 0
704 #define IPR_DRIVER_ILID 0xffffffff
708 __be32 fd_phys_locator;
710 __be32 fd_res_handle;
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
720 }__attribute__((packed, aligned (4)));
723 struct ipr_ioasa_hdr hdr;
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;
732 struct ipr_auto_sense auto_sense;
733 }__attribute__((packed, aligned (4)));
736 struct ipr_ioasa_hdr hdr;
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;
746 struct ipr_auto_sense auto_sense;
747 }__attribute__((packed, aligned (4)));
749 struct ipr_mode_parm_hdr {
752 u8 device_spec_parms;
754 }__attribute__((packed));
756 struct ipr_mode_pages {
757 struct ipr_mode_parm_hdr hdr;
758 u8 data[255 - sizeof(struct ipr_mode_parm_hdr)];
759 }__attribute__((packed));
761 struct ipr_mode_page_hdr {
763 #define IPR_MODE_PAGE_PS 0x80
764 #define IPR_GET_MODE_PAGE_CODE(hdr) ((hdr)->ps_page_code & 0x3F)
766 }__attribute__ ((packed));
768 struct ipr_dev_bus_entry {
769 struct ipr_res_addr res_addr;
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
781 u8 extended_reset_delay;
782 #define IPR_EXTENDED_RESET_DELAY 7
784 __be32 max_xfer_rate;
789 }__attribute__((packed, aligned (4)));
791 struct ipr_mode_page28 {
792 struct ipr_mode_page_hdr hdr;
795 struct ipr_dev_bus_entry bus[];
796 }__attribute__((packed));
798 struct ipr_mode_page24 {
799 struct ipr_mode_page_hdr hdr;
801 #define IPR_ENABLE_DUAL_IOA_AF 0x80
802 }__attribute__((packed));
805 struct ipr_std_inq_data std_inq_data;
806 u8 ascii_part_num[12];
808 u8 ascii_plant_code[4];
809 }__attribute__((packed));
811 struct ipr_inquiry_page3 {
812 u8 peri_qual_dev_type;
824 }__attribute__((packed));
826 struct ipr_inquiry_cap {
827 u8 peri_qual_dev_type;
835 #define IPR_CAP_DUAL_IOA_RAID 0x80
837 }__attribute__((packed));
839 #define IPR_INQUIRY_PAGE0_ENTRIES 20
840 struct ipr_inquiry_page0 {
841 u8 peri_qual_dev_type;
845 u8 page[IPR_INQUIRY_PAGE0_ENTRIES];
846 }__attribute__((packed));
848 struct ipr_inquiry_pageC4 {
849 u8 peri_qual_dev_type;
854 #define IPR_CAP_SYNC_CACHE 0x08
858 struct ipr_hostrcb_device_data_entry {
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;
865 }__attribute__((packed, aligned (4)));
867 struct ipr_hostrcb_device_data_entry_enhanced {
868 struct ipr_ext_vpd vpd;
870 struct ipr_res_addr dev_res_addr;
871 struct ipr_ext_vpd new_vpd;
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)));
877 struct ipr_hostrcb64_device_data_entry_enhanced {
878 struct ipr_ext_vpd vpd;
881 struct ipr_ext_vpd new_vpd;
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)));
887 struct ipr_hostrcb_array_data_entry {
889 struct ipr_res_addr expected_dev_res_addr;
890 struct ipr_res_addr dev_res_addr;
891 }__attribute__((packed, aligned (4)));
893 struct ipr_hostrcb64_array_data_entry {
894 struct ipr_ext_vpd vpd;
896 u8 expected_res_path[8];
898 }__attribute__((packed, aligned (4)));
900 struct ipr_hostrcb_array_data_entry_enhanced {
901 struct ipr_ext_vpd vpd;
903 struct ipr_res_addr expected_dev_res_addr;
904 struct ipr_res_addr dev_res_addr;
905 }__attribute__((packed, aligned (4)));
907 struct ipr_hostrcb_type_ff_error {
908 __be32 ioa_data[758];
909 }__attribute__((packed, aligned (4)));
911 struct ipr_hostrcb_type_01_error {
915 __be32 ioa_data[236];
916 }__attribute__((packed, aligned (4)));
918 struct ipr_hostrcb_type_21_error {
921 u8 primary_problem_desc[32];
922 u8 second_problem_desc[32];
923 __be32 sense_data[8];
925 __be32 residual_trans_length;
926 __be32 length_of_error;
927 __be32 ioa_data[236];
928 }__attribute__((packed, aligned (4)));
930 struct 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;
936 }__attribute__((packed, aligned (4)));
938 struct 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;
944 }__attribute__((packed, aligned (4)));
946 struct 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;
952 struct ipr_hostrcb_device_data_entry dev[3];
953 }__attribute__((packed, aligned (4)));
955 struct 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)));
963 struct 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)));
971 struct ipr_hostrcb_type_04_error {
972 struct ipr_vpd ioa_vpd;
973 struct ipr_vpd cfc_vpd;
975 struct ipr_hostrcb_array_data_entry array_member[10];
976 __be32 exposed_mode_adn;
978 struct ipr_vpd incomp_dev_vpd;
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)));
986 struct ipr_hostrcb_type_14_error {
987 struct ipr_ext_vpd ioa_vpd;
988 struct ipr_ext_vpd cfc_vpd;
989 __be32 exposed_mode_adn;
991 struct ipr_res_addr last_func_vset_res_addr;
992 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
993 u8 protection_level[8];
995 struct ipr_hostrcb_array_data_entry_enhanced array_member[18];
996 }__attribute__((packed, aligned (4)));
998 struct ipr_hostrcb_type_24_error {
999 struct ipr_ext_vpd ioa_vpd;
1000 struct ipr_ext_vpd cfc_vpd;
1002 u8 exposed_mode_adn;
1003 #define IPR_INVALID_ARRAY_DEV_NUM 0xff
1005 u8 last_res_path[8];
1006 u8 protection_level[8];
1007 struct ipr_ext_vpd64 array_vpd;
1011 struct ipr_hostrcb64_array_data_entry array_member[32];
1012 }__attribute__((packed, aligned (4)));
1014 struct ipr_hostrcb_type_07_error {
1015 u8 failure_reason[64];
1018 }__attribute__((packed, aligned (4)));
1020 struct ipr_hostrcb_type_17_error {
1021 u8 failure_reason[64];
1022 struct ipr_ext_vpd vpd;
1024 }__attribute__((packed, aligned (4)));
1026 struct ipr_hostrcb_config_element {
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
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
1043 u8 cascaded_expander;
1046 #define IPR_PHY_LINK_RATE_MASK 0x0F
1049 }__attribute__((packed, aligned (4)));
1051 struct ipr_hostrcb64_config_element {
1054 #define IPR_DESCRIPTOR_MASK 0xC0
1055 #define IPR_DESCRIPTOR_SIS64 0x00
1065 }__attribute__((packed, aligned (8)));
1067 struct ipr_hostrcb_fabric_desc {
1070 u8 cascaded_expander;
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
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
1085 struct ipr_hostrcb_config_element elem[1];
1086 }__attribute__((packed, aligned (4)));
1088 struct ipr_hostrcb64_fabric_desc {
1099 struct ipr_hostrcb64_config_element elem[1];
1100 }__attribute__((packed, aligned (8)));
1102 #define for_each_hrrq(hrrq, ioa_cfg) \
1103 for (hrrq = (ioa_cfg)->hrrq; \
1104 hrrq < ((ioa_cfg)->hrrq + (ioa_cfg)->hrrq_num); hrrq++)
1106 #define for_each_fabric_cfg(fabric, cfg) \
1107 for (cfg = (fabric)->elem; \
1108 cfg < ((fabric)->elem + be16_to_cpu((fabric)->num_entries)); \
1111 struct ipr_hostrcb_type_20_error {
1112 u8 failure_reason[64];
1115 struct ipr_hostrcb_fabric_desc desc[1];
1116 }__attribute__((packed, aligned (4)));
1118 struct ipr_hostrcb_type_30_error {
1119 u8 failure_reason[64];
1122 struct ipr_hostrcb64_fabric_desc desc[1];
1123 }__attribute__((packed, aligned (4)));
1125 struct ipr_hostrcb_type_41_error {
1126 u8 failure_reason[64];
1128 }__attribute__((packed, aligned (4)));
1130 struct ipr_hostrcb_error {
1132 struct ipr_res_addr fd_res_addr;
1133 __be32 fd_res_handle;
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;
1148 }__attribute__((packed, aligned (4)));
1150 struct ipr_hostrcb64_error {
1152 __be32 ioa_fw_level;
1153 __be32 fd_res_handle;
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;
1170 }__attribute__((packed, aligned (8)));
1172 struct ipr_hostrcb_raw {
1173 __be32 data[sizeof(struct ipr_hostrcb_error)/sizeof(__be32)];
1174 }__attribute__((packed, aligned (4)));
1178 #define IPR_HOST_RCB_OP_CODE_CONFIG_CHANGE 0xE1
1179 #define IPR_HOST_RCB_OP_CODE_LOG_DATA 0xE2
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
1188 u8 notifications_lost;
1189 #define IPR_HOST_RCB_NO_NOTIFICATIONS_LOST 0
1190 #define IPR_HOST_RCB_NOTIFICATIONS_LOST 0x80
1193 #define IPR_HOSTRCB_INTERNAL_OPER 0x80
1194 #define IPR_HOSTRCB_ERR_RESP_SENT 0x40
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
1219 __be32 time_since_last_ioa_reset;
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;
1229 }__attribute__((packed, aligned (4)));
1231 struct 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];
1239 /* IPR smart dump table structures */
1240 struct ipr_sdt_entry {
1246 #define IPR_SDT_ENDIAN 0x80
1247 #define IPR_SDT_VALID_ENTRY 0x20
1251 }__attribute__((packed, aligned (4)));
1253 struct ipr_sdt_header {
1256 __be32 num_entries_used;
1258 }__attribute__((packed, aligned (4)));
1261 struct ipr_sdt_header hdr;
1262 struct ipr_sdt_entry entry[IPR_FMT3_NUM_SDT_ENTRIES];
1263 }__attribute__((packed, aligned (4)));
1266 struct ipr_sdt_header hdr;
1267 struct ipr_sdt_entry entry[1];
1268 }__attribute__((packed, aligned (4)));
1273 struct ipr_bus_attributes {
1281 struct 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;
1288 struct ipr_resource_entry {
1289 u8 needs_sync_complete:1;
1293 u8 resetting_device:1;
1294 u8 reset_occurred:1;
1297 u32 bus; /* AKA channel */
1298 u32 target; /* AKA id */
1300 #define IPR_ARRAY_VIRTUAL_BUS 0x1
1301 #define IPR_VSET_VIRTUAL_BUS 0x2
1302 #define IPR_IOAFP_VIRTUAL_BUS 0x3
1303 #define IPR_MAX_SIS64_BUSES 0x4
1305 #define IPR_GET_RES_PHYS_LOC(res) \
1306 (((res)->bus << 24) | ((res)->target << 8) | (res)->lun)
1315 struct ipr_std_inq_data std_inq_data;
1320 struct scsi_lun dev_lun;
1323 struct ipr_ioa_cfg *ioa_cfg;
1324 struct scsi_device *sdev;
1325 struct ipr_sata_port *sata_port;
1326 struct list_head queue;
1327 }; /* struct ipr_resource_entry */
1329 struct ipr_resource_hdr {
1334 struct ipr_misc_cbs {
1335 struct ipr_ioa_vpd ioa_vpd;
1336 struct ipr_inquiry_page0 page0_data;
1337 struct ipr_inquiry_page3 page3_data;
1338 struct ipr_inquiry_cap cap;
1339 struct ipr_inquiry_pageC4 pageC4_data;
1340 struct ipr_mode_pages mode_pages;
1341 struct ipr_supported_device supp_dev;
1344 struct ipr_interrupt_offsets {
1345 unsigned long set_interrupt_mask_reg;
1346 unsigned long clr_interrupt_mask_reg;
1347 unsigned long clr_interrupt_mask_reg32;
1348 unsigned long sense_interrupt_mask_reg;
1349 unsigned long sense_interrupt_mask_reg32;
1350 unsigned long clr_interrupt_reg;
1351 unsigned long clr_interrupt_reg32;
1353 unsigned long sense_interrupt_reg;
1354 unsigned long sense_interrupt_reg32;
1355 unsigned long ioarrin_reg;
1356 unsigned long sense_uproc_interrupt_reg;
1357 unsigned long sense_uproc_interrupt_reg32;
1358 unsigned long set_uproc_interrupt_reg;
1359 unsigned long set_uproc_interrupt_reg32;
1360 unsigned long clr_uproc_interrupt_reg;
1361 unsigned long clr_uproc_interrupt_reg32;
1363 unsigned long init_feedback_reg;
1365 unsigned long dump_addr_reg;
1366 unsigned long dump_data_reg;
1368 #define IPR_ENDIAN_SWAP_KEY 0x00080800
1369 unsigned long endian_swap_reg;
1372 struct ipr_interrupts {
1373 void __iomem *set_interrupt_mask_reg;
1374 void __iomem *clr_interrupt_mask_reg;
1375 void __iomem *clr_interrupt_mask_reg32;
1376 void __iomem *sense_interrupt_mask_reg;
1377 void __iomem *sense_interrupt_mask_reg32;
1378 void __iomem *clr_interrupt_reg;
1379 void __iomem *clr_interrupt_reg32;
1381 void __iomem *sense_interrupt_reg;
1382 void __iomem *sense_interrupt_reg32;
1383 void __iomem *ioarrin_reg;
1384 void __iomem *sense_uproc_interrupt_reg;
1385 void __iomem *sense_uproc_interrupt_reg32;
1386 void __iomem *set_uproc_interrupt_reg;
1387 void __iomem *set_uproc_interrupt_reg32;
1388 void __iomem *clr_uproc_interrupt_reg;
1389 void __iomem *clr_uproc_interrupt_reg32;
1391 void __iomem *init_feedback_reg;
1393 void __iomem *dump_addr_reg;
1394 void __iomem *dump_data_reg;
1396 void __iomem *endian_swap_reg;
1399 struct ipr_chip_cfg_t {
1405 struct ipr_interrupt_offsets regs;
1413 #define IPR_SIS32 0x00
1414 #define IPR_SIS64 0x01
1416 #define IPR_PCI_CFG 0x00
1417 #define IPR_MMIO 0x01
1418 const struct ipr_chip_cfg_t *cfg;
1421 enum ipr_shutdown_type {
1422 IPR_SHUTDOWN_NORMAL = 0x00,
1423 IPR_SHUTDOWN_PREPARE_FOR_NORMAL = 0x40,
1424 IPR_SHUTDOWN_ABBREV = 0x80,
1425 IPR_SHUTDOWN_NONE = 0x100,
1426 IPR_SHUTDOWN_QUIESCE = 0x101,
1429 struct ipr_trace_entry {
1435 #define IPR_TRACE_START 0x00
1436 #define IPR_TRACE_FINISH 0xff
1452 struct scatterlist *scatterlist;
1455 enum ipr_sdt_state {
1464 /* Per-controller data */
1465 struct ipr_ioa_cfg {
1466 char eye_catcher[8];
1467 #define IPR_EYECATCHER "iprcfg"
1469 struct list_head queue;
1471 u8 in_reset_reload:1;
1472 u8 in_ioa_bringdown:1;
1473 u8 ioa_unit_checked:1;
1477 u8 needs_hard_reset:1;
1479 u8 needs_warm_reset:1;
1492 * Bitmaps for SIS64 generated target values
1494 unsigned long target_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1495 unsigned long array_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1496 unsigned long vset_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1498 u16 type; /* CCIN of the card */
1501 #define IPR_MAX_LOG_LEVEL 4
1502 #define IPR_DEFAULT_LOG_LEVEL 2
1503 #define IPR_DEBUG_LOG_LEVEL 3
1505 #define IPR_NUM_TRACE_INDEX_BITS 8
1506 #define IPR_NUM_TRACE_ENTRIES (1 << IPR_NUM_TRACE_INDEX_BITS)
1507 #define IPR_TRACE_INDEX_MASK (IPR_NUM_TRACE_ENTRIES - 1)
1508 #define IPR_TRACE_SIZE (sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES)
1509 char trace_start[8];
1510 #define IPR_TRACE_START_LABEL "trace"
1511 struct ipr_trace_entry *trace;
1512 atomic_t trace_index;
1514 char cfg_table_start[8];
1515 #define IPR_CFG_TBL_START "cfg"
1517 struct ipr_config_table *cfg_table;
1518 struct ipr_config_table64 *cfg_table64;
1520 dma_addr_t cfg_table_dma;
1522 u32 max_devs_supported;
1524 char resource_table_label[8];
1525 #define IPR_RES_TABLE_LABEL "res_tbl"
1526 struct ipr_resource_entry *res_entries;
1527 struct list_head free_res_q;
1528 struct list_head used_res_q;
1530 char ipr_hcam_label[8];
1531 #define IPR_HCAM_LABEL "hcams"
1532 struct ipr_hostrcb *hostrcb[IPR_MAX_HCAMS];
1533 dma_addr_t hostrcb_dma[IPR_MAX_HCAMS];
1534 struct list_head hostrcb_free_q;
1535 struct list_head hostrcb_pending_q;
1536 struct list_head hostrcb_report_q;
1538 struct ipr_hrr_queue hrrq[IPR_MAX_HRRQ_NUM];
1540 atomic_t hrrq_index;
1541 u16 identify_hrrq_index;
1543 struct ipr_bus_attributes bus_attr[IPR_MAX_NUM_BUSES];
1545 unsigned int transop_timeout;
1546 const struct ipr_chip_cfg_t *chip_cfg;
1547 const struct ipr_chip_t *ipr_chip;
1549 void __iomem *hdw_dma_regs; /* iomapped PCI memory space */
1550 unsigned long hdw_dma_regs_pci; /* raw PCI memory space */
1551 void __iomem *ioa_mailbox;
1552 struct ipr_interrupts regs;
1554 u16 saved_pcix_cmd_reg;
1560 struct Scsi_Host *host;
1561 struct pci_dev *pdev;
1562 struct ipr_sglist *ucode_sglist;
1563 u8 saved_mode_page_len;
1565 struct work_struct work_q;
1566 struct work_struct scsi_add_work_q;
1567 struct workqueue_struct *reset_work_q;
1569 wait_queue_head_t reset_wait_q;
1570 wait_queue_head_t msi_wait_q;
1571 wait_queue_head_t eeh_wait_q;
1573 struct ipr_dump *dump;
1574 enum ipr_sdt_state sdt_state;
1576 struct ipr_misc_cbs *vpd_cbs;
1577 dma_addr_t vpd_cbs_dma;
1579 struct dma_pool *ipr_cmd_pool;
1581 struct ipr_cmnd *reset_cmd;
1582 int (*reset) (struct ipr_cmnd *);
1584 struct ata_host ata_host;
1585 char ipr_cmd_label[8];
1586 #define IPR_CMD_LABEL "ipr_cmd"
1588 struct ipr_cmnd **ipr_cmnd_list;
1589 dma_addr_t *ipr_cmnd_list_dma;
1591 unsigned int nvectors;
1595 } vectors_info[IPR_MAX_MSIX_VECTORS];
1599 }; /* struct ipr_ioa_cfg */
1602 struct ipr_ioarcb ioarcb;
1604 struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
1605 struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
1606 struct ipr_ata64_ioadl ata_ioadl;
1609 struct ipr_ioasa ioasa;
1610 struct ipr_ioasa64 ioasa64;
1612 struct list_head queue;
1613 struct scsi_cmnd *scsi_cmd;
1614 struct ata_queued_cmd *qc;
1615 struct completion completion;
1616 struct timer_list timer;
1617 struct work_struct work;
1618 void (*fast_done) (struct ipr_cmnd *);
1619 void (*done) (struct ipr_cmnd *);
1620 int (*job_step) (struct ipr_cmnd *);
1621 int (*job_step_failed) (struct ipr_cmnd *);
1623 u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
1624 dma_addr_t sense_buffer_dma;
1625 unsigned short dma_use_sg;
1626 dma_addr_t dma_addr;
1627 struct ipr_cmnd *sibling;
1629 enum ipr_shutdown_type shutdown_type;
1630 struct ipr_hostrcb *hostrcb;
1631 unsigned long time_left;
1632 unsigned long scratch;
1633 struct ipr_resource_entry *res;
1634 struct scsi_device *sdev;
1637 struct completion *eh_comp;
1638 struct ipr_hrr_queue *hrrq;
1639 struct ipr_ioa_cfg *ioa_cfg;
1642 struct ipr_ses_table_entry {
1643 char product_id[17];
1644 char compare_product_id_byte[17];
1645 u32 max_bus_speed_limit; /* MB/sec limit for this backplane */
1648 struct ipr_dump_header {
1650 #define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1653 u32 first_entry_offset;
1655 #define IPR_DUMP_STATUS_SUCCESS 0
1656 #define IPR_DUMP_STATUS_QUAL_SUCCESS 2
1657 #define IPR_DUMP_STATUS_FAILED 0xffffffff
1659 #define IPR_DUMP_OS_LINUX 0x4C4E5558
1661 #define IPR_DUMP_DRIVER_NAME 0x49505232
1662 }__attribute__((packed, aligned (4)));
1664 struct ipr_dump_entry_header {
1666 #define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1671 #define IPR_DUMP_DATA_TYPE_ASCII 0x41534349
1672 #define IPR_DUMP_DATA_TYPE_BINARY 0x42494E41
1674 #define IPR_DUMP_IOA_DUMP_ID 0x494F4131
1675 #define IPR_DUMP_LOCATION_ID 0x4C4F4341
1676 #define IPR_DUMP_TRACE_ID 0x54524143
1677 #define IPR_DUMP_DRIVER_VERSION_ID 0x44525652
1678 #define IPR_DUMP_DRIVER_TYPE_ID 0x54595045
1679 #define IPR_DUMP_IOA_CTRL_BLK 0x494F4342
1680 #define IPR_DUMP_PEND_OPS 0x414F5053
1682 }__attribute__((packed, aligned (4)));
1684 struct ipr_dump_location_entry {
1685 struct ipr_dump_entry_header hdr;
1687 }__attribute__((packed, aligned (4)));
1689 struct ipr_dump_trace_entry {
1690 struct ipr_dump_entry_header hdr;
1691 u32 trace[IPR_TRACE_SIZE / sizeof(u32)];
1692 }__attribute__((packed, aligned (4)));
1694 struct ipr_dump_version_entry {
1695 struct ipr_dump_entry_header hdr;
1696 u8 version[sizeof(IPR_DRIVER_VERSION)];
1699 struct ipr_dump_ioa_type_entry {
1700 struct ipr_dump_entry_header hdr;
1705 struct ipr_driver_dump {
1706 struct ipr_dump_header hdr;
1707 struct ipr_dump_version_entry version_entry;
1708 struct ipr_dump_location_entry location_entry;
1709 struct ipr_dump_ioa_type_entry ioa_type_entry;
1710 struct ipr_dump_trace_entry trace_entry;
1711 }__attribute__((packed, aligned (4)));
1713 struct ipr_ioa_dump {
1714 struct ipr_dump_entry_header hdr;
1718 u32 next_page_index;
1721 }__attribute__((packed, aligned (4)));
1725 struct ipr_ioa_cfg *ioa_cfg;
1726 struct ipr_driver_dump driver_dump;
1727 struct ipr_ioa_dump ioa_dump;
1730 struct ipr_error_table_t {
1737 struct ipr_software_inq_lid_info {
1739 __be32 timestamp[3];
1740 }__attribute__((packed, aligned (4)));
1742 struct ipr_ucode_image_header {
1743 __be32 header_length;
1744 __be32 lid_table_offset;
1747 u8 minor_release[2];
1749 char eyecatcher[16];
1751 struct ipr_software_inq_lid_info lid[1];
1752 }__attribute__((packed, aligned (4)));
1757 #define IPR_DBG_CMD(CMD) if (ipr_debug) { CMD; }
1759 #ifdef CONFIG_SCSI_IPR_TRACE
1760 #define ipr_create_trace_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1761 #define ipr_remove_trace_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1763 #define ipr_create_trace_file(kobj, attr) 0
1764 #define ipr_remove_trace_file(kobj, attr) do { } while(0)
1767 #ifdef CONFIG_SCSI_IPR_DUMP
1768 #define ipr_create_dump_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1769 #define ipr_remove_dump_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1771 #define ipr_create_dump_file(kobj, attr) 0
1772 #define ipr_remove_dump_file(kobj, attr) do { } while(0)
1776 * Error logging macros
1778 #define ipr_err(...) printk(KERN_ERR IPR_NAME ": "__VA_ARGS__)
1779 #define ipr_info(...) printk(KERN_INFO IPR_NAME ": "__VA_ARGS__)
1780 #define ipr_dbg(...) IPR_DBG_CMD(printk(KERN_INFO IPR_NAME ": "__VA_ARGS__))
1782 #define ipr_res_printk(level, ioa_cfg, bus, target, lun, fmt, ...) \
1783 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1784 bus, target, lun, ##__VA_ARGS__)
1786 #define ipr_res_err(ioa_cfg, res, fmt, ...) \
1787 ipr_res_printk(KERN_ERR, ioa_cfg, (res)->bus, (res)->target, (res)->lun, fmt, ##__VA_ARGS__)
1789 #define ipr_ra_printk(level, ioa_cfg, ra, fmt, ...) \
1790 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1791 (ra).bus, (ra).target, (ra).lun, ##__VA_ARGS__)
1793 #define ipr_ra_err(ioa_cfg, ra, fmt, ...) \
1794 ipr_ra_printk(KERN_ERR, ioa_cfg, ra, fmt, ##__VA_ARGS__)
1796 #define ipr_phys_res_err(ioa_cfg, res, fmt, ...) \
1798 if ((res).bus >= IPR_MAX_NUM_BUSES) { \
1799 ipr_err(fmt": unknown\n", ##__VA_ARGS__); \
1801 ipr_err(fmt": %d:%d:%d:%d\n", \
1802 ##__VA_ARGS__, (ioa_cfg)->host->host_no, \
1803 (res).bus, (res).target, (res).lun); \
1807 #define ipr_hcam_err(hostrcb, fmt, ...) \
1809 if (ipr_is_device(hostrcb)) { \
1810 if ((hostrcb)->ioa_cfg->sis64) { \
1811 printk(KERN_ERR IPR_NAME ": %s: " fmt, \
1812 ipr_format_res_path(hostrcb->ioa_cfg, \
1813 hostrcb->hcam.u.error64.fd_res_path, \
1814 hostrcb->rp_buffer, \
1815 sizeof(hostrcb->rp_buffer)), \
1818 ipr_ra_err((hostrcb)->ioa_cfg, \
1819 (hostrcb)->hcam.u.error.fd_res_addr, \
1820 fmt, __VA_ARGS__); \
1823 dev_err(&(hostrcb)->ioa_cfg->pdev->dev, fmt, __VA_ARGS__); \
1827 #define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
1828 __FILE__, __func__, __LINE__)
1830 #define ENTER IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Entering %s\n", __func__))
1831 #define LEAVE IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Leaving %s\n", __func__))
1833 #define ipr_err_separator \
1834 ipr_err("----------------------------------------------------------\n")
1842 * ipr_is_ioa_resource - Determine if a resource is the IOA
1843 * @res: resource entry struct
1846 * 1 if IOA / 0 if not IOA
1848 static inline int ipr_is_ioa_resource(struct ipr_resource_entry *res)
1850 return res->type == IPR_RES_TYPE_IOAFP;
1854 * ipr_is_af_dasd_device - Determine if a resource is an AF DASD
1855 * @res: resource entry struct
1858 * 1 if AF DASD / 0 if not AF DASD
1860 static inline int ipr_is_af_dasd_device(struct ipr_resource_entry *res)
1862 return res->type == IPR_RES_TYPE_AF_DASD ||
1863 res->type == IPR_RES_TYPE_REMOTE_AF_DASD;
1867 * ipr_is_vset_device - Determine if a resource is a VSET
1868 * @res: resource entry struct
1871 * 1 if VSET / 0 if not VSET
1873 static inline int ipr_is_vset_device(struct ipr_resource_entry *res)
1875 return res->type == IPR_RES_TYPE_VOLUME_SET;
1879 * ipr_is_gscsi - Determine if a resource is a generic scsi resource
1880 * @res: resource entry struct
1883 * 1 if GSCSI / 0 if not GSCSI
1885 static inline int ipr_is_gscsi(struct ipr_resource_entry *res)
1887 return res->type == IPR_RES_TYPE_GENERIC_SCSI;
1891 * ipr_is_scsi_disk - Determine if a resource is a SCSI disk
1892 * @res: resource entry struct
1895 * 1 if SCSI disk / 0 if not SCSI disk
1897 static inline int ipr_is_scsi_disk(struct ipr_resource_entry *res)
1899 if (ipr_is_af_dasd_device(res) ||
1900 (ipr_is_gscsi(res) && IPR_IS_DASD_DEVICE(res->std_inq_data)))
1907 * ipr_is_gata - Determine if a resource is a generic ATA resource
1908 * @res: resource entry struct
1911 * 1 if GATA / 0 if not GATA
1913 static inline int ipr_is_gata(struct ipr_resource_entry *res)
1915 return res->type == IPR_RES_TYPE_GENERIC_ATA;
1919 * ipr_is_naca_model - Determine if a resource is using NACA queueing model
1920 * @res: resource entry struct
1923 * 1 if NACA queueing model / 0 if not NACA queueing model
1925 static inline int ipr_is_naca_model(struct ipr_resource_entry *res)
1927 if (ipr_is_gscsi(res) && res->qmodel == IPR_QUEUE_NACA_MODEL)
1933 * ipr_is_device - Determine if the hostrcb structure is related to a device
1934 * @hostrcb: host resource control blocks struct
1937 * 1 if AF / 0 if not AF
1939 static inline int ipr_is_device(struct ipr_hostrcb *hostrcb)
1941 struct ipr_res_addr *res_addr;
1944 if (hostrcb->ioa_cfg->sis64) {
1945 res_path = &hostrcb->hcam.u.error64.fd_res_path[0];
1946 if ((res_path[0] == 0x00 || res_path[0] == 0x80 ||
1947 res_path[0] == 0x81) && res_path[2] != 0xFF)
1950 res_addr = &hostrcb->hcam.u.error.fd_res_addr;
1952 if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
1953 (res_addr->target < (IPR_MAX_NUM_TARGETS_PER_BUS - 1)))
1960 * ipr_sdt_is_fmt2 - Determine if a SDT address is in format 2
1961 * @sdt_word: SDT address
1964 * 1 if format 2 / 0 if not
1966 static inline int ipr_sdt_is_fmt2(u32 sdt_word)
1968 u32 bar_sel = IPR_GET_FMT2_BAR_SEL(sdt_word);
1971 case IPR_SDT_FMT2_BAR0_SEL:
1972 case IPR_SDT_FMT2_BAR1_SEL:
1973 case IPR_SDT_FMT2_BAR2_SEL:
1974 case IPR_SDT_FMT2_BAR3_SEL:
1975 case IPR_SDT_FMT2_BAR4_SEL:
1976 case IPR_SDT_FMT2_BAR5_SEL:
1977 case IPR_SDT_FMT2_EXP_ROM_SEL:
1985 static inline void writeq(u64 val, void __iomem *addr)
1987 writel(((u32) (val >> 32)), addr);
1988 writel(((u32) (val)), (addr + 4));