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
431 #define IPR_RES_PATH_BYTES 8
433 struct ipr_std_inq_data std_inq_data;
437 }__attribute__ ((packed, aligned (8)));
439 struct ipr_config_table_hdr {
442 #define IPR_UCODE_DOWNLOAD_REQ 0x10
444 }__attribute__((packed, aligned (4)));
446 struct ipr_config_table_hdr64 {
451 }__attribute__((packed, aligned (4)));
453 struct ipr_config_table {
454 struct ipr_config_table_hdr hdr;
455 struct ipr_config_table_entry dev[];
456 }__attribute__((packed, aligned (4)));
458 struct ipr_config_table64 {
459 struct ipr_config_table_hdr64 hdr64;
460 struct ipr_config_table_entry64 dev[];
461 }__attribute__((packed, aligned (8)));
463 struct ipr_config_table_entry_wrapper {
465 struct ipr_config_table_entry *cfgte;
466 struct ipr_config_table_entry64 *cfgte64;
470 struct ipr_hostrcb_cfg_ch_not {
472 struct ipr_config_table_entry cfgte;
473 struct ipr_config_table_entry64 cfgte64;
476 }__attribute__((packed, aligned (4)));
478 struct ipr_supported_device {
482 struct ipr_std_inq_vpids vpids;
484 }__attribute__((packed, aligned (4)));
486 struct ipr_hrr_queue {
487 struct ipr_ioa_cfg *ioa_cfg;
489 dma_addr_t host_rrq_dma;
490 #define IPR_HRRQ_REQ_RESP_HANDLE_MASK 0xfffffffc
491 #define IPR_HRRQ_RESP_BIT_SET 0x00000002
492 #define IPR_HRRQ_TOGGLE_BIT 0x00000001
493 #define IPR_HRRQ_REQ_RESP_HANDLE_SHIFT 2
494 #define IPR_ID_HRRQ_SELE_ENABLE 0x02
495 volatile __be32 *hrrq_start;
496 volatile __be32 *hrrq_end;
497 volatile __be32 *hrrq_curr;
499 struct list_head hrrq_free_q;
500 struct list_head hrrq_pending_q;
504 volatile u32 toggle_bit;
508 u8 allow_interrupts:1;
513 struct irq_poll iopoll;
516 /* Command packet structure */
518 u8 reserved; /* Reserved by IOA */
521 #define IPR_RQTYPE_SCSICDB 0x00
522 #define IPR_RQTYPE_IOACMD 0x01
523 #define IPR_RQTYPE_HCAM 0x02
524 #define IPR_RQTYPE_ATA_PASSTHRU 0x04
525 #define IPR_RQTYPE_PIPE 0x05
530 #define IPR_FLAGS_HI_WRITE_NOT_READ 0x80
531 #define IPR_FLAGS_HI_NO_ULEN_CHK 0x20
532 #define IPR_FLAGS_HI_SYNC_OVERRIDE 0x10
533 #define IPR_FLAGS_HI_SYNC_COMPLETE 0x08
534 #define IPR_FLAGS_HI_NO_LINK_DESC 0x04
537 #define IPR_FLAGS_LO_ALIGNED_BFR 0x20
538 #define IPR_FLAGS_LO_DELAY_AFTER_RST 0x10
539 #define IPR_FLAGS_LO_UNTAGGED_TASK 0x00
540 #define IPR_FLAGS_LO_SIMPLE_TASK 0x02
541 #define IPR_FLAGS_LO_ORDERED_TASK 0x04
542 #define IPR_FLAGS_LO_HEAD_OF_Q_TASK 0x06
543 #define IPR_FLAGS_LO_ACA_TASK 0x08
547 }__attribute__ ((packed, aligned(4)));
549 struct ipr_ioarcb_ata_regs { /* 22 bytes */
551 #define IPR_ATA_FLAG_PACKET_CMD 0x80
552 #define IPR_ATA_FLAG_XFER_TYPE_DMA 0x40
553 #define IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION 0x20
571 }__attribute__ ((packed, aligned(2)));
573 struct ipr_ioadl_desc {
574 __be32 flags_and_data_len;
575 #define IPR_IOADL_FLAGS_MASK 0xff000000
576 #define IPR_IOADL_GET_FLAGS(x) (be32_to_cpu(x) & IPR_IOADL_FLAGS_MASK)
577 #define IPR_IOADL_DATA_LEN_MASK 0x00ffffff
578 #define IPR_IOADL_GET_DATA_LEN(x) (be32_to_cpu(x) & IPR_IOADL_DATA_LEN_MASK)
579 #define IPR_IOADL_FLAGS_READ 0x48000000
580 #define IPR_IOADL_FLAGS_READ_LAST 0x49000000
581 #define IPR_IOADL_FLAGS_WRITE 0x68000000
582 #define IPR_IOADL_FLAGS_WRITE_LAST 0x69000000
583 #define IPR_IOADL_FLAGS_LAST 0x01000000
586 }__attribute__((packed, aligned (8)));
588 struct ipr_ioadl64_desc {
592 }__attribute__((packed, aligned (16)));
594 struct ipr_ata64_ioadl {
595 struct ipr_ioarcb_ata_regs regs;
597 struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
598 }__attribute__((packed, aligned (16)));
600 struct ipr_ioarcb_add_data {
602 struct ipr_ioarcb_ata_regs regs;
603 struct ipr_ioadl_desc ioadl[5];
604 __be32 add_cmd_parms[10];
606 }__attribute__ ((packed, aligned (4)));
608 struct ipr_ioarcb_sis64_add_addr_ecb {
609 __be64 ioasa_host_pci_addr;
610 __be64 data_ioadl_addr;
612 __be32 ext_control_buf[4];
613 }__attribute__((packed, aligned (8)));
615 /* IOA Request Control Block 128 bytes */
618 __be32 ioarcb_host_pci_addr;
619 __be64 ioarcb_host_pci_addr64;
622 __be32 host_response_handle;
627 __be32 data_transfer_length;
628 __be32 read_data_transfer_length;
629 __be32 write_ioadl_addr;
631 __be32 read_ioadl_addr;
632 __be32 read_ioadl_len;
634 __be32 ioasa_host_pci_addr;
638 struct ipr_cmd_pkt cmd_pkt;
640 __be16 add_cmd_parms_offset;
641 __be16 add_cmd_parms_len;
644 struct ipr_ioarcb_add_data add_data;
645 struct ipr_ioarcb_sis64_add_addr_ecb sis64_addr_data;
648 }__attribute__((packed, aligned (4)));
650 struct ipr_ioasa_vset {
651 __be32 failing_lba_hi;
652 __be32 failing_lba_lo;
654 }__attribute__((packed, aligned (4)));
656 struct ipr_ioasa_af_dasd {
659 }__attribute__((packed, aligned (4)));
661 struct ipr_ioasa_gpdd {
666 }__attribute__((packed, aligned (4)));
668 struct ipr_ioasa_gata {
670 u8 nsect; /* Interrupt reason */
676 u8 alt_status; /* ATA CTL */
681 }__attribute__((packed, aligned (4)));
683 struct ipr_auto_sense {
684 __be16 auto_sense_len;
686 __be32 data[SCSI_SENSE_BUFFERSIZE/sizeof(__be32)];
689 struct ipr_ioasa_hdr {
691 #define IPR_IOASC_SENSE_KEY(ioasc) ((ioasc) >> 24)
692 #define IPR_IOASC_SENSE_CODE(ioasc) (((ioasc) & 0x00ff0000) >> 16)
693 #define IPR_IOASC_SENSE_QUAL(ioasc) (((ioasc) & 0x0000ff00) >> 8)
694 #define IPR_IOASC_SENSE_STATUS(ioasc) ((ioasc) & 0x000000ff)
696 __be16 ret_stat_len; /* Length of the returned IOASA */
698 __be16 avail_stat_len; /* Total Length of status available. */
700 __be32 residual_data_len; /* number of bytes in the host data */
701 /* buffers that were not used by the IOARCB command. */
704 #define IPR_NO_ILID 0
705 #define IPR_DRIVER_ILID 0xffffffff
709 __be32 fd_phys_locator;
711 __be32 fd_res_handle;
713 __be32 ioasc_specific; /* status code specific field */
714 #define IPR_ADDITIONAL_STATUS_FMT 0x80000000
715 #define IPR_AUTOSENSE_VALID 0x40000000
716 #define IPR_ATA_DEVICE_WAS_RESET 0x20000000
717 #define IPR_IOASC_SPECIFIC_MASK 0x00ffffff
718 #define IPR_FIELD_POINTER_VALID (0x80000000 >> 8)
719 #define IPR_FIELD_POINTER_MASK 0x0000ffff
721 }__attribute__((packed, aligned (4)));
724 struct ipr_ioasa_hdr hdr;
727 struct ipr_ioasa_vset vset;
728 struct ipr_ioasa_af_dasd dasd;
729 struct ipr_ioasa_gpdd gpdd;
730 struct ipr_ioasa_gata gata;
733 struct ipr_auto_sense auto_sense;
734 }__attribute__((packed, aligned (4)));
737 struct ipr_ioasa_hdr hdr;
741 struct ipr_ioasa_vset vset;
742 struct ipr_ioasa_af_dasd dasd;
743 struct ipr_ioasa_gpdd gpdd;
744 struct ipr_ioasa_gata gata;
747 struct ipr_auto_sense auto_sense;
748 }__attribute__((packed, aligned (4)));
750 struct ipr_mode_parm_hdr {
753 u8 device_spec_parms;
755 }__attribute__((packed));
757 struct ipr_mode_pages {
758 struct ipr_mode_parm_hdr hdr;
759 u8 data[255 - sizeof(struct ipr_mode_parm_hdr)];
760 }__attribute__((packed));
762 struct ipr_mode_page_hdr {
764 #define IPR_MODE_PAGE_PS 0x80
765 #define IPR_GET_MODE_PAGE_CODE(hdr) ((hdr)->ps_page_code & 0x3F)
767 }__attribute__ ((packed));
769 struct ipr_dev_bus_entry {
770 struct ipr_res_addr res_addr;
772 #define IPR_SCSI_ATTR_ENABLE_QAS 0x80
773 #define IPR_SCSI_ATTR_DISABLE_QAS 0x40
774 #define IPR_SCSI_ATTR_QAS_MASK 0xC0
775 #define IPR_SCSI_ATTR_ENABLE_TM 0x20
776 #define IPR_SCSI_ATTR_NO_TERM_PWR 0x10
777 #define IPR_SCSI_ATTR_TM_SUPPORTED 0x08
778 #define IPR_SCSI_ATTR_LVD_TO_SE_NOT_ALLOWED 0x04
782 u8 extended_reset_delay;
783 #define IPR_EXTENDED_RESET_DELAY 7
785 __be32 max_xfer_rate;
790 }__attribute__((packed, aligned (4)));
792 struct ipr_mode_page28 {
793 struct ipr_mode_page_hdr hdr;
796 struct ipr_dev_bus_entry bus[];
797 }__attribute__((packed));
799 struct ipr_mode_page24 {
800 struct ipr_mode_page_hdr hdr;
802 #define IPR_ENABLE_DUAL_IOA_AF 0x80
803 }__attribute__((packed));
806 struct ipr_std_inq_data std_inq_data;
807 u8 ascii_part_num[12];
809 u8 ascii_plant_code[4];
810 }__attribute__((packed));
812 struct ipr_inquiry_page3 {
813 u8 peri_qual_dev_type;
825 }__attribute__((packed));
827 struct ipr_inquiry_cap {
828 u8 peri_qual_dev_type;
836 #define IPR_CAP_DUAL_IOA_RAID 0x80
838 }__attribute__((packed));
840 #define IPR_INQUIRY_PAGE0_ENTRIES 20
841 struct ipr_inquiry_page0 {
842 u8 peri_qual_dev_type;
846 u8 page[IPR_INQUIRY_PAGE0_ENTRIES];
847 }__attribute__((packed));
849 struct ipr_inquiry_pageC4 {
850 u8 peri_qual_dev_type;
855 #define IPR_CAP_SYNC_CACHE 0x08
859 struct ipr_hostrcb_device_data_entry {
861 struct ipr_res_addr dev_res_addr;
862 struct ipr_vpd new_vpd;
863 struct ipr_vpd ioa_last_with_dev_vpd;
864 struct ipr_vpd cfc_last_with_dev_vpd;
866 }__attribute__((packed, aligned (4)));
868 struct ipr_hostrcb_device_data_entry_enhanced {
869 struct ipr_ext_vpd vpd;
871 struct ipr_res_addr dev_res_addr;
872 struct ipr_ext_vpd new_vpd;
874 struct ipr_ext_vpd ioa_last_with_dev_vpd;
875 struct ipr_ext_vpd cfc_last_with_dev_vpd;
876 }__attribute__((packed, aligned (4)));
878 struct ipr_hostrcb64_device_data_entry_enhanced {
879 struct ipr_ext_vpd vpd;
882 struct ipr_ext_vpd new_vpd;
884 struct ipr_ext_vpd ioa_last_with_dev_vpd;
885 struct ipr_ext_vpd cfc_last_with_dev_vpd;
886 }__attribute__((packed, aligned (4)));
888 struct ipr_hostrcb_array_data_entry {
890 struct ipr_res_addr expected_dev_res_addr;
891 struct ipr_res_addr dev_res_addr;
892 }__attribute__((packed, aligned (4)));
894 struct ipr_hostrcb64_array_data_entry {
895 struct ipr_ext_vpd vpd;
897 u8 expected_res_path[8];
899 }__attribute__((packed, aligned (4)));
901 struct ipr_hostrcb_array_data_entry_enhanced {
902 struct ipr_ext_vpd vpd;
904 struct ipr_res_addr expected_dev_res_addr;
905 struct ipr_res_addr dev_res_addr;
906 }__attribute__((packed, aligned (4)));
908 struct ipr_hostrcb_type_ff_error {
909 __be32 ioa_data[758];
910 }__attribute__((packed, aligned (4)));
912 struct ipr_hostrcb_type_01_error {
916 __be32 ioa_data[236];
917 }__attribute__((packed, aligned (4)));
919 struct ipr_hostrcb_type_21_error {
922 u8 primary_problem_desc[32];
923 u8 second_problem_desc[32];
924 __be32 sense_data[8];
926 __be32 residual_trans_length;
927 __be32 length_of_error;
928 __be32 ioa_data[236];
929 }__attribute__((packed, aligned (4)));
931 struct ipr_hostrcb_type_02_error {
932 struct ipr_vpd ioa_vpd;
933 struct ipr_vpd cfc_vpd;
934 struct ipr_vpd ioa_last_attached_to_cfc_vpd;
935 struct ipr_vpd cfc_last_attached_to_ioa_vpd;
937 }__attribute__((packed, aligned (4)));
939 struct ipr_hostrcb_type_12_error {
940 struct ipr_ext_vpd ioa_vpd;
941 struct ipr_ext_vpd cfc_vpd;
942 struct ipr_ext_vpd ioa_last_attached_to_cfc_vpd;
943 struct ipr_ext_vpd cfc_last_attached_to_ioa_vpd;
945 }__attribute__((packed, aligned (4)));
947 struct ipr_hostrcb_type_03_error {
948 struct ipr_vpd ioa_vpd;
949 struct ipr_vpd cfc_vpd;
950 __be32 errors_detected;
951 __be32 errors_logged;
953 struct ipr_hostrcb_device_data_entry dev[3];
954 }__attribute__((packed, aligned (4)));
956 struct ipr_hostrcb_type_13_error {
957 struct ipr_ext_vpd ioa_vpd;
958 struct ipr_ext_vpd cfc_vpd;
959 __be32 errors_detected;
960 __be32 errors_logged;
961 struct ipr_hostrcb_device_data_entry_enhanced dev[3];
962 }__attribute__((packed, aligned (4)));
964 struct ipr_hostrcb_type_23_error {
965 struct ipr_ext_vpd ioa_vpd;
966 struct ipr_ext_vpd cfc_vpd;
967 __be32 errors_detected;
968 __be32 errors_logged;
969 struct ipr_hostrcb64_device_data_entry_enhanced dev[3];
970 }__attribute__((packed, aligned (4)));
972 struct ipr_hostrcb_type_04_error {
973 struct ipr_vpd ioa_vpd;
974 struct ipr_vpd cfc_vpd;
976 struct ipr_hostrcb_array_data_entry array_member[10];
977 __be32 exposed_mode_adn;
979 struct ipr_vpd incomp_dev_vpd;
981 struct ipr_hostrcb_array_data_entry array_member2[8];
982 struct ipr_res_addr last_func_vset_res_addr;
983 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
984 u8 protection_level[8];
985 }__attribute__((packed, aligned (4)));
987 struct ipr_hostrcb_type_14_error {
988 struct ipr_ext_vpd ioa_vpd;
989 struct ipr_ext_vpd cfc_vpd;
990 __be32 exposed_mode_adn;
992 struct ipr_res_addr last_func_vset_res_addr;
993 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
994 u8 protection_level[8];
996 struct ipr_hostrcb_array_data_entry_enhanced array_member[18];
997 }__attribute__((packed, aligned (4)));
999 struct ipr_hostrcb_type_24_error {
1000 struct ipr_ext_vpd ioa_vpd;
1001 struct ipr_ext_vpd cfc_vpd;
1003 u8 exposed_mode_adn;
1004 #define IPR_INVALID_ARRAY_DEV_NUM 0xff
1006 u8 last_res_path[8];
1007 u8 protection_level[8];
1008 struct ipr_ext_vpd64 array_vpd;
1012 struct ipr_hostrcb64_array_data_entry array_member[32];
1013 }__attribute__((packed, aligned (4)));
1015 struct ipr_hostrcb_type_07_error {
1016 u8 failure_reason[64];
1019 }__attribute__((packed, aligned (4)));
1021 struct ipr_hostrcb_type_17_error {
1022 u8 failure_reason[64];
1023 struct ipr_ext_vpd vpd;
1025 }__attribute__((packed, aligned (4)));
1027 struct ipr_hostrcb_config_element {
1029 #define IPR_PATH_CFG_TYPE_MASK 0xF0
1030 #define IPR_PATH_CFG_NOT_EXIST 0x00
1031 #define IPR_PATH_CFG_IOA_PORT 0x10
1032 #define IPR_PATH_CFG_EXP_PORT 0x20
1033 #define IPR_PATH_CFG_DEVICE_PORT 0x30
1034 #define IPR_PATH_CFG_DEVICE_LUN 0x40
1036 #define IPR_PATH_CFG_STATUS_MASK 0x0F
1037 #define IPR_PATH_CFG_NO_PROB 0x00
1038 #define IPR_PATH_CFG_DEGRADED 0x01
1039 #define IPR_PATH_CFG_FAILED 0x02
1040 #define IPR_PATH_CFG_SUSPECT 0x03
1041 #define IPR_PATH_NOT_DETECTED 0x04
1042 #define IPR_PATH_INCORRECT_CONN 0x05
1044 u8 cascaded_expander;
1047 #define IPR_PHY_LINK_RATE_MASK 0x0F
1050 }__attribute__((packed, aligned (4)));
1052 struct ipr_hostrcb64_config_element {
1055 #define IPR_DESCRIPTOR_MASK 0xC0
1056 #define IPR_DESCRIPTOR_SIS64 0x00
1066 }__attribute__((packed, aligned (8)));
1068 struct ipr_hostrcb_fabric_desc {
1071 u8 cascaded_expander;
1074 #define IPR_PATH_ACTIVE_MASK 0xC0
1075 #define IPR_PATH_NO_INFO 0x00
1076 #define IPR_PATH_ACTIVE 0x40
1077 #define IPR_PATH_NOT_ACTIVE 0x80
1079 #define IPR_PATH_STATE_MASK 0x0F
1080 #define IPR_PATH_STATE_NO_INFO 0x00
1081 #define IPR_PATH_HEALTHY 0x01
1082 #define IPR_PATH_DEGRADED 0x02
1083 #define IPR_PATH_FAILED 0x03
1086 struct ipr_hostrcb_config_element elem[1];
1087 }__attribute__((packed, aligned (4)));
1089 struct ipr_hostrcb64_fabric_desc {
1100 struct ipr_hostrcb64_config_element elem[1];
1101 }__attribute__((packed, aligned (8)));
1103 #define for_each_hrrq(hrrq, ioa_cfg) \
1104 for (hrrq = (ioa_cfg)->hrrq; \
1105 hrrq < ((ioa_cfg)->hrrq + (ioa_cfg)->hrrq_num); hrrq++)
1107 #define for_each_fabric_cfg(fabric, cfg) \
1108 for (cfg = (fabric)->elem; \
1109 cfg < ((fabric)->elem + be16_to_cpu((fabric)->num_entries)); \
1112 struct ipr_hostrcb_type_20_error {
1113 u8 failure_reason[64];
1116 struct ipr_hostrcb_fabric_desc desc[1];
1117 }__attribute__((packed, aligned (4)));
1119 struct ipr_hostrcb_type_30_error {
1120 u8 failure_reason[64];
1123 struct ipr_hostrcb64_fabric_desc desc[1];
1124 }__attribute__((packed, aligned (4)));
1126 struct ipr_hostrcb_type_41_error {
1127 u8 failure_reason[64];
1129 }__attribute__((packed, aligned (4)));
1131 struct ipr_hostrcb_error {
1133 struct ipr_res_addr fd_res_addr;
1134 __be32 fd_res_handle;
1137 struct ipr_hostrcb_type_ff_error type_ff_error;
1138 struct ipr_hostrcb_type_01_error type_01_error;
1139 struct ipr_hostrcb_type_02_error type_02_error;
1140 struct ipr_hostrcb_type_03_error type_03_error;
1141 struct ipr_hostrcb_type_04_error type_04_error;
1142 struct ipr_hostrcb_type_07_error type_07_error;
1143 struct ipr_hostrcb_type_12_error type_12_error;
1144 struct ipr_hostrcb_type_13_error type_13_error;
1145 struct ipr_hostrcb_type_14_error type_14_error;
1146 struct ipr_hostrcb_type_17_error type_17_error;
1147 struct ipr_hostrcb_type_20_error type_20_error;
1149 }__attribute__((packed, aligned (4)));
1151 struct ipr_hostrcb64_error {
1153 __be32 ioa_fw_level;
1154 __be32 fd_res_handle;
1162 struct ipr_hostrcb_type_ff_error type_ff_error;
1163 struct ipr_hostrcb_type_12_error type_12_error;
1164 struct ipr_hostrcb_type_17_error type_17_error;
1165 struct ipr_hostrcb_type_21_error type_21_error;
1166 struct ipr_hostrcb_type_23_error type_23_error;
1167 struct ipr_hostrcb_type_24_error type_24_error;
1168 struct ipr_hostrcb_type_30_error type_30_error;
1169 struct ipr_hostrcb_type_41_error type_41_error;
1171 }__attribute__((packed, aligned (8)));
1173 struct ipr_hostrcb_raw {
1174 __be32 data[sizeof(struct ipr_hostrcb_error)/sizeof(__be32)];
1175 }__attribute__((packed, aligned (4)));
1179 #define IPR_HOST_RCB_OP_CODE_CONFIG_CHANGE 0xE1
1180 #define IPR_HOST_RCB_OP_CODE_LOG_DATA 0xE2
1183 #define IPR_HOST_RCB_NOTIF_TYPE_EXISTING_CHANGED 0x00
1184 #define IPR_HOST_RCB_NOTIF_TYPE_NEW_ENTRY 0x01
1185 #define IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY 0x02
1186 #define IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY 0x10
1187 #define IPR_HOST_RCB_NOTIF_TYPE_INFORMATION_ENTRY 0x11
1189 u8 notifications_lost;
1190 #define IPR_HOST_RCB_NO_NOTIFICATIONS_LOST 0
1191 #define IPR_HOST_RCB_NOTIFICATIONS_LOST 0x80
1194 #define IPR_HOSTRCB_INTERNAL_OPER 0x80
1195 #define IPR_HOSTRCB_ERR_RESP_SENT 0x40
1198 #define IPR_HOST_RCB_OVERLAY_ID_1 0x01
1199 #define IPR_HOST_RCB_OVERLAY_ID_2 0x02
1200 #define IPR_HOST_RCB_OVERLAY_ID_3 0x03
1201 #define IPR_HOST_RCB_OVERLAY_ID_4 0x04
1202 #define IPR_HOST_RCB_OVERLAY_ID_6 0x06
1203 #define IPR_HOST_RCB_OVERLAY_ID_7 0x07
1204 #define IPR_HOST_RCB_OVERLAY_ID_12 0x12
1205 #define IPR_HOST_RCB_OVERLAY_ID_13 0x13
1206 #define IPR_HOST_RCB_OVERLAY_ID_14 0x14
1207 #define IPR_HOST_RCB_OVERLAY_ID_16 0x16
1208 #define IPR_HOST_RCB_OVERLAY_ID_17 0x17
1209 #define IPR_HOST_RCB_OVERLAY_ID_20 0x20
1210 #define IPR_HOST_RCB_OVERLAY_ID_21 0x21
1211 #define IPR_HOST_RCB_OVERLAY_ID_23 0x23
1212 #define IPR_HOST_RCB_OVERLAY_ID_24 0x24
1213 #define IPR_HOST_RCB_OVERLAY_ID_26 0x26
1214 #define IPR_HOST_RCB_OVERLAY_ID_30 0x30
1215 #define IPR_HOST_RCB_OVERLAY_ID_41 0x41
1216 #define IPR_HOST_RCB_OVERLAY_ID_DEFAULT 0xFF
1220 __be32 time_since_last_ioa_reset;
1225 struct ipr_hostrcb_error error;
1226 struct ipr_hostrcb64_error error64;
1227 struct ipr_hostrcb_cfg_ch_not ccn;
1228 struct ipr_hostrcb_raw raw;
1230 }__attribute__((packed, aligned (4)));
1232 struct ipr_hostrcb {
1233 struct ipr_hcam hcam;
1234 dma_addr_t hostrcb_dma;
1235 struct list_head queue;
1236 struct ipr_ioa_cfg *ioa_cfg;
1237 char rp_buffer[IPR_MAX_RES_PATH_LENGTH];
1240 /* IPR smart dump table structures */
1241 struct ipr_sdt_entry {
1247 #define IPR_SDT_ENDIAN 0x80
1248 #define IPR_SDT_VALID_ENTRY 0x20
1252 }__attribute__((packed, aligned (4)));
1254 struct ipr_sdt_header {
1257 __be32 num_entries_used;
1259 }__attribute__((packed, aligned (4)));
1262 struct ipr_sdt_header hdr;
1263 struct ipr_sdt_entry entry[IPR_FMT3_NUM_SDT_ENTRIES];
1264 }__attribute__((packed, aligned (4)));
1267 struct ipr_sdt_header hdr;
1268 struct ipr_sdt_entry entry[1];
1269 }__attribute__((packed, aligned (4)));
1274 struct ipr_bus_attributes {
1282 struct ipr_sata_port {
1283 struct ipr_ioa_cfg *ioa_cfg;
1284 struct ata_port *ap;
1285 struct ipr_resource_entry *res;
1286 struct ipr_ioasa_gata ioasa;
1289 struct ipr_resource_entry {
1290 u8 needs_sync_complete:1;
1294 u8 resetting_device:1;
1295 u8 reset_occurred:1;
1298 u32 bus; /* AKA channel */
1299 u32 target; /* AKA id */
1301 #define IPR_ARRAY_VIRTUAL_BUS 0x1
1302 #define IPR_VSET_VIRTUAL_BUS 0x2
1303 #define IPR_IOAFP_VIRTUAL_BUS 0x3
1304 #define IPR_MAX_SIS64_BUSES 0x4
1306 #define IPR_GET_RES_PHYS_LOC(res) \
1307 (((res)->bus << 24) | ((res)->target << 8) | (res)->lun)
1316 struct ipr_std_inq_data std_inq_data;
1321 struct scsi_lun dev_lun;
1324 struct ipr_ioa_cfg *ioa_cfg;
1325 struct scsi_device *sdev;
1326 struct ipr_sata_port *sata_port;
1327 struct list_head queue;
1328 }; /* struct ipr_resource_entry */
1330 struct ipr_resource_hdr {
1335 struct ipr_misc_cbs {
1336 struct ipr_ioa_vpd ioa_vpd;
1337 struct ipr_inquiry_page0 page0_data;
1338 struct ipr_inquiry_page3 page3_data;
1339 struct ipr_inquiry_cap cap;
1340 struct ipr_inquiry_pageC4 pageC4_data;
1341 struct ipr_mode_pages mode_pages;
1342 struct ipr_supported_device supp_dev;
1345 struct ipr_interrupt_offsets {
1346 unsigned long set_interrupt_mask_reg;
1347 unsigned long clr_interrupt_mask_reg;
1348 unsigned long clr_interrupt_mask_reg32;
1349 unsigned long sense_interrupt_mask_reg;
1350 unsigned long sense_interrupt_mask_reg32;
1351 unsigned long clr_interrupt_reg;
1352 unsigned long clr_interrupt_reg32;
1354 unsigned long sense_interrupt_reg;
1355 unsigned long sense_interrupt_reg32;
1356 unsigned long ioarrin_reg;
1357 unsigned long sense_uproc_interrupt_reg;
1358 unsigned long sense_uproc_interrupt_reg32;
1359 unsigned long set_uproc_interrupt_reg;
1360 unsigned long set_uproc_interrupt_reg32;
1361 unsigned long clr_uproc_interrupt_reg;
1362 unsigned long clr_uproc_interrupt_reg32;
1364 unsigned long init_feedback_reg;
1366 unsigned long dump_addr_reg;
1367 unsigned long dump_data_reg;
1369 #define IPR_ENDIAN_SWAP_KEY 0x00080800
1370 unsigned long endian_swap_reg;
1373 struct ipr_interrupts {
1374 void __iomem *set_interrupt_mask_reg;
1375 void __iomem *clr_interrupt_mask_reg;
1376 void __iomem *clr_interrupt_mask_reg32;
1377 void __iomem *sense_interrupt_mask_reg;
1378 void __iomem *sense_interrupt_mask_reg32;
1379 void __iomem *clr_interrupt_reg;
1380 void __iomem *clr_interrupt_reg32;
1382 void __iomem *sense_interrupt_reg;
1383 void __iomem *sense_interrupt_reg32;
1384 void __iomem *ioarrin_reg;
1385 void __iomem *sense_uproc_interrupt_reg;
1386 void __iomem *sense_uproc_interrupt_reg32;
1387 void __iomem *set_uproc_interrupt_reg;
1388 void __iomem *set_uproc_interrupt_reg32;
1389 void __iomem *clr_uproc_interrupt_reg;
1390 void __iomem *clr_uproc_interrupt_reg32;
1392 void __iomem *init_feedback_reg;
1394 void __iomem *dump_addr_reg;
1395 void __iomem *dump_data_reg;
1397 void __iomem *endian_swap_reg;
1400 struct ipr_chip_cfg_t {
1406 struct ipr_interrupt_offsets regs;
1414 #define IPR_SIS32 0x00
1415 #define IPR_SIS64 0x01
1417 #define IPR_PCI_CFG 0x00
1418 #define IPR_MMIO 0x01
1419 const struct ipr_chip_cfg_t *cfg;
1422 enum ipr_shutdown_type {
1423 IPR_SHUTDOWN_NORMAL = 0x00,
1424 IPR_SHUTDOWN_PREPARE_FOR_NORMAL = 0x40,
1425 IPR_SHUTDOWN_ABBREV = 0x80,
1426 IPR_SHUTDOWN_NONE = 0x100,
1427 IPR_SHUTDOWN_QUIESCE = 0x101,
1430 struct ipr_trace_entry {
1436 #define IPR_TRACE_START 0x00
1437 #define IPR_TRACE_FINISH 0xff
1453 struct scatterlist *scatterlist;
1456 enum ipr_sdt_state {
1465 /* Per-controller data */
1466 struct ipr_ioa_cfg {
1467 char eye_catcher[8];
1468 #define IPR_EYECATCHER "iprcfg"
1470 struct list_head queue;
1472 u8 in_reset_reload:1;
1473 u8 in_ioa_bringdown:1;
1474 u8 ioa_unit_checked:1;
1478 u8 needs_hard_reset:1;
1480 u8 needs_warm_reset:1;
1493 * Bitmaps for SIS64 generated target values
1495 unsigned long target_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1496 unsigned long array_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1497 unsigned long vset_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1499 u16 type; /* CCIN of the card */
1502 #define IPR_MAX_LOG_LEVEL 4
1503 #define IPR_DEFAULT_LOG_LEVEL 2
1504 #define IPR_DEBUG_LOG_LEVEL 3
1506 #define IPR_NUM_TRACE_INDEX_BITS 8
1507 #define IPR_NUM_TRACE_ENTRIES (1 << IPR_NUM_TRACE_INDEX_BITS)
1508 #define IPR_TRACE_INDEX_MASK (IPR_NUM_TRACE_ENTRIES - 1)
1509 #define IPR_TRACE_SIZE (sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES)
1510 char trace_start[8];
1511 #define IPR_TRACE_START_LABEL "trace"
1512 struct ipr_trace_entry *trace;
1513 atomic_t trace_index;
1515 char cfg_table_start[8];
1516 #define IPR_CFG_TBL_START "cfg"
1518 struct ipr_config_table *cfg_table;
1519 struct ipr_config_table64 *cfg_table64;
1521 dma_addr_t cfg_table_dma;
1523 u32 max_devs_supported;
1525 char resource_table_label[8];
1526 #define IPR_RES_TABLE_LABEL "res_tbl"
1527 struct ipr_resource_entry *res_entries;
1528 struct list_head free_res_q;
1529 struct list_head used_res_q;
1531 char ipr_hcam_label[8];
1532 #define IPR_HCAM_LABEL "hcams"
1533 struct ipr_hostrcb *hostrcb[IPR_MAX_HCAMS];
1534 dma_addr_t hostrcb_dma[IPR_MAX_HCAMS];
1535 struct list_head hostrcb_free_q;
1536 struct list_head hostrcb_pending_q;
1537 struct list_head hostrcb_report_q;
1539 struct ipr_hrr_queue hrrq[IPR_MAX_HRRQ_NUM];
1541 atomic_t hrrq_index;
1542 u16 identify_hrrq_index;
1544 struct ipr_bus_attributes bus_attr[IPR_MAX_NUM_BUSES];
1546 unsigned int transop_timeout;
1547 const struct ipr_chip_cfg_t *chip_cfg;
1548 const struct ipr_chip_t *ipr_chip;
1550 void __iomem *hdw_dma_regs; /* iomapped PCI memory space */
1551 unsigned long hdw_dma_regs_pci; /* raw PCI memory space */
1552 void __iomem *ioa_mailbox;
1553 struct ipr_interrupts regs;
1555 u16 saved_pcix_cmd_reg;
1561 struct Scsi_Host *host;
1562 struct pci_dev *pdev;
1563 struct ipr_sglist *ucode_sglist;
1564 u8 saved_mode_page_len;
1566 struct work_struct work_q;
1567 struct work_struct scsi_add_work_q;
1568 struct workqueue_struct *reset_work_q;
1570 wait_queue_head_t reset_wait_q;
1571 wait_queue_head_t msi_wait_q;
1572 wait_queue_head_t eeh_wait_q;
1574 struct ipr_dump *dump;
1575 enum ipr_sdt_state sdt_state;
1577 struct ipr_misc_cbs *vpd_cbs;
1578 dma_addr_t vpd_cbs_dma;
1580 struct dma_pool *ipr_cmd_pool;
1582 struct ipr_cmnd *reset_cmd;
1583 int (*reset) (struct ipr_cmnd *);
1585 struct ata_host ata_host;
1586 char ipr_cmd_label[8];
1587 #define IPR_CMD_LABEL "ipr_cmd"
1589 struct ipr_cmnd **ipr_cmnd_list;
1590 dma_addr_t *ipr_cmnd_list_dma;
1592 unsigned int nvectors;
1596 } vectors_info[IPR_MAX_MSIX_VECTORS];
1600 }; /* struct ipr_ioa_cfg */
1603 struct ipr_ioarcb ioarcb;
1605 struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
1606 struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
1607 struct ipr_ata64_ioadl ata_ioadl;
1610 struct ipr_ioasa ioasa;
1611 struct ipr_ioasa64 ioasa64;
1613 struct list_head queue;
1614 struct scsi_cmnd *scsi_cmd;
1615 struct ata_queued_cmd *qc;
1616 struct completion completion;
1617 struct timer_list timer;
1618 struct work_struct work;
1619 void (*fast_done) (struct ipr_cmnd *);
1620 void (*done) (struct ipr_cmnd *);
1621 int (*job_step) (struct ipr_cmnd *);
1622 int (*job_step_failed) (struct ipr_cmnd *);
1624 u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
1625 dma_addr_t sense_buffer_dma;
1626 unsigned short dma_use_sg;
1627 dma_addr_t dma_addr;
1628 struct ipr_cmnd *sibling;
1630 enum ipr_shutdown_type shutdown_type;
1631 struct ipr_hostrcb *hostrcb;
1632 unsigned long time_left;
1633 unsigned long scratch;
1634 struct ipr_resource_entry *res;
1635 struct scsi_device *sdev;
1638 struct completion *eh_comp;
1639 struct ipr_hrr_queue *hrrq;
1640 struct ipr_ioa_cfg *ioa_cfg;
1643 struct ipr_ses_table_entry {
1644 char product_id[17];
1645 char compare_product_id_byte[17];
1646 u32 max_bus_speed_limit; /* MB/sec limit for this backplane */
1649 struct ipr_dump_header {
1651 #define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1654 u32 first_entry_offset;
1656 #define IPR_DUMP_STATUS_SUCCESS 0
1657 #define IPR_DUMP_STATUS_QUAL_SUCCESS 2
1658 #define IPR_DUMP_STATUS_FAILED 0xffffffff
1660 #define IPR_DUMP_OS_LINUX 0x4C4E5558
1662 #define IPR_DUMP_DRIVER_NAME 0x49505232
1663 }__attribute__((packed, aligned (4)));
1665 struct ipr_dump_entry_header {
1667 #define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1672 #define IPR_DUMP_DATA_TYPE_ASCII 0x41534349
1673 #define IPR_DUMP_DATA_TYPE_BINARY 0x42494E41
1675 #define IPR_DUMP_IOA_DUMP_ID 0x494F4131
1676 #define IPR_DUMP_LOCATION_ID 0x4C4F4341
1677 #define IPR_DUMP_TRACE_ID 0x54524143
1678 #define IPR_DUMP_DRIVER_VERSION_ID 0x44525652
1679 #define IPR_DUMP_DRIVER_TYPE_ID 0x54595045
1680 #define IPR_DUMP_IOA_CTRL_BLK 0x494F4342
1681 #define IPR_DUMP_PEND_OPS 0x414F5053
1683 }__attribute__((packed, aligned (4)));
1685 struct ipr_dump_location_entry {
1686 struct ipr_dump_entry_header hdr;
1688 }__attribute__((packed, aligned (4)));
1690 struct ipr_dump_trace_entry {
1691 struct ipr_dump_entry_header hdr;
1692 u32 trace[IPR_TRACE_SIZE / sizeof(u32)];
1693 }__attribute__((packed, aligned (4)));
1695 struct ipr_dump_version_entry {
1696 struct ipr_dump_entry_header hdr;
1697 u8 version[sizeof(IPR_DRIVER_VERSION)];
1700 struct ipr_dump_ioa_type_entry {
1701 struct ipr_dump_entry_header hdr;
1706 struct ipr_driver_dump {
1707 struct ipr_dump_header hdr;
1708 struct ipr_dump_version_entry version_entry;
1709 struct ipr_dump_location_entry location_entry;
1710 struct ipr_dump_ioa_type_entry ioa_type_entry;
1711 struct ipr_dump_trace_entry trace_entry;
1712 }__attribute__((packed, aligned (4)));
1714 struct ipr_ioa_dump {
1715 struct ipr_dump_entry_header hdr;
1719 u32 next_page_index;
1722 }__attribute__((packed, aligned (4)));
1726 struct ipr_ioa_cfg *ioa_cfg;
1727 struct ipr_driver_dump driver_dump;
1728 struct ipr_ioa_dump ioa_dump;
1731 struct ipr_error_table_t {
1738 struct ipr_software_inq_lid_info {
1740 __be32 timestamp[3];
1741 }__attribute__((packed, aligned (4)));
1743 struct ipr_ucode_image_header {
1744 __be32 header_length;
1745 __be32 lid_table_offset;
1748 u8 minor_release[2];
1750 char eyecatcher[16];
1752 struct ipr_software_inq_lid_info lid[1];
1753 }__attribute__((packed, aligned (4)));
1758 #define IPR_DBG_CMD(CMD) if (ipr_debug) { CMD; }
1760 #ifdef CONFIG_SCSI_IPR_TRACE
1761 #define ipr_create_trace_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1762 #define ipr_remove_trace_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1764 #define ipr_create_trace_file(kobj, attr) 0
1765 #define ipr_remove_trace_file(kobj, attr) do { } while(0)
1768 #ifdef CONFIG_SCSI_IPR_DUMP
1769 #define ipr_create_dump_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1770 #define ipr_remove_dump_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1772 #define ipr_create_dump_file(kobj, attr) 0
1773 #define ipr_remove_dump_file(kobj, attr) do { } while(0)
1777 * Error logging macros
1779 #define ipr_err(...) printk(KERN_ERR IPR_NAME ": "__VA_ARGS__)
1780 #define ipr_info(...) printk(KERN_INFO IPR_NAME ": "__VA_ARGS__)
1781 #define ipr_dbg(...) IPR_DBG_CMD(printk(KERN_INFO IPR_NAME ": "__VA_ARGS__))
1783 #define ipr_res_printk(level, ioa_cfg, bus, target, lun, fmt, ...) \
1784 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1785 bus, target, lun, ##__VA_ARGS__)
1787 #define ipr_res_err(ioa_cfg, res, fmt, ...) \
1788 ipr_res_printk(KERN_ERR, ioa_cfg, (res)->bus, (res)->target, (res)->lun, fmt, ##__VA_ARGS__)
1790 #define ipr_ra_printk(level, ioa_cfg, ra, fmt, ...) \
1791 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1792 (ra).bus, (ra).target, (ra).lun, ##__VA_ARGS__)
1794 #define ipr_ra_err(ioa_cfg, ra, fmt, ...) \
1795 ipr_ra_printk(KERN_ERR, ioa_cfg, ra, fmt, ##__VA_ARGS__)
1797 #define ipr_phys_res_err(ioa_cfg, res, fmt, ...) \
1799 if ((res).bus >= IPR_MAX_NUM_BUSES) { \
1800 ipr_err(fmt": unknown\n", ##__VA_ARGS__); \
1802 ipr_err(fmt": %d:%d:%d:%d\n", \
1803 ##__VA_ARGS__, (ioa_cfg)->host->host_no, \
1804 (res).bus, (res).target, (res).lun); \
1808 #define ipr_hcam_err(hostrcb, fmt, ...) \
1810 if (ipr_is_device(hostrcb)) { \
1811 if ((hostrcb)->ioa_cfg->sis64) { \
1812 printk(KERN_ERR IPR_NAME ": %s: " fmt, \
1813 ipr_format_res_path(hostrcb->ioa_cfg, \
1814 hostrcb->hcam.u.error64.fd_res_path, \
1815 hostrcb->rp_buffer, \
1816 sizeof(hostrcb->rp_buffer)), \
1819 ipr_ra_err((hostrcb)->ioa_cfg, \
1820 (hostrcb)->hcam.u.error.fd_res_addr, \
1821 fmt, __VA_ARGS__); \
1824 dev_err(&(hostrcb)->ioa_cfg->pdev->dev, fmt, __VA_ARGS__); \
1828 #define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
1829 __FILE__, __func__, __LINE__)
1831 #define ENTER IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Entering %s\n", __func__))
1832 #define LEAVE IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Leaving %s\n", __func__))
1834 #define ipr_err_separator \
1835 ipr_err("----------------------------------------------------------\n")
1843 * ipr_is_ioa_resource - Determine if a resource is the IOA
1844 * @res: resource entry struct
1847 * 1 if IOA / 0 if not IOA
1849 static inline int ipr_is_ioa_resource(struct ipr_resource_entry *res)
1851 return res->type == IPR_RES_TYPE_IOAFP;
1855 * ipr_is_af_dasd_device - Determine if a resource is an AF DASD
1856 * @res: resource entry struct
1859 * 1 if AF DASD / 0 if not AF DASD
1861 static inline int ipr_is_af_dasd_device(struct ipr_resource_entry *res)
1863 return res->type == IPR_RES_TYPE_AF_DASD ||
1864 res->type == IPR_RES_TYPE_REMOTE_AF_DASD;
1868 * ipr_is_vset_device - Determine if a resource is a VSET
1869 * @res: resource entry struct
1872 * 1 if VSET / 0 if not VSET
1874 static inline int ipr_is_vset_device(struct ipr_resource_entry *res)
1876 return res->type == IPR_RES_TYPE_VOLUME_SET;
1880 * ipr_is_gscsi - Determine if a resource is a generic scsi resource
1881 * @res: resource entry struct
1884 * 1 if GSCSI / 0 if not GSCSI
1886 static inline int ipr_is_gscsi(struct ipr_resource_entry *res)
1888 return res->type == IPR_RES_TYPE_GENERIC_SCSI;
1892 * ipr_is_scsi_disk - Determine if a resource is a SCSI disk
1893 * @res: resource entry struct
1896 * 1 if SCSI disk / 0 if not SCSI disk
1898 static inline int ipr_is_scsi_disk(struct ipr_resource_entry *res)
1900 if (ipr_is_af_dasd_device(res) ||
1901 (ipr_is_gscsi(res) && IPR_IS_DASD_DEVICE(res->std_inq_data)))
1908 * ipr_is_gata - Determine if a resource is a generic ATA resource
1909 * @res: resource entry struct
1912 * 1 if GATA / 0 if not GATA
1914 static inline int ipr_is_gata(struct ipr_resource_entry *res)
1916 return res->type == IPR_RES_TYPE_GENERIC_ATA;
1920 * ipr_is_naca_model - Determine if a resource is using NACA queueing model
1921 * @res: resource entry struct
1924 * 1 if NACA queueing model / 0 if not NACA queueing model
1926 static inline int ipr_is_naca_model(struct ipr_resource_entry *res)
1928 if (ipr_is_gscsi(res) && res->qmodel == IPR_QUEUE_NACA_MODEL)
1934 * ipr_is_device - Determine if the hostrcb structure is related to a device
1935 * @hostrcb: host resource control blocks struct
1938 * 1 if AF / 0 if not AF
1940 static inline int ipr_is_device(struct ipr_hostrcb *hostrcb)
1942 struct ipr_res_addr *res_addr;
1945 if (hostrcb->ioa_cfg->sis64) {
1946 res_path = &hostrcb->hcam.u.error64.fd_res_path[0];
1947 if ((res_path[0] == 0x00 || res_path[0] == 0x80 ||
1948 res_path[0] == 0x81) && res_path[2] != 0xFF)
1951 res_addr = &hostrcb->hcam.u.error.fd_res_addr;
1953 if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
1954 (res_addr->target < (IPR_MAX_NUM_TARGETS_PER_BUS - 1)))
1961 * ipr_sdt_is_fmt2 - Determine if a SDT address is in format 2
1962 * @sdt_word: SDT address
1965 * 1 if format 2 / 0 if not
1967 static inline int ipr_sdt_is_fmt2(u32 sdt_word)
1969 u32 bar_sel = IPR_GET_FMT2_BAR_SEL(sdt_word);
1972 case IPR_SDT_FMT2_BAR0_SEL:
1973 case IPR_SDT_FMT2_BAR1_SEL:
1974 case IPR_SDT_FMT2_BAR2_SEL:
1975 case IPR_SDT_FMT2_BAR3_SEL:
1976 case IPR_SDT_FMT2_BAR4_SEL:
1977 case IPR_SDT_FMT2_BAR5_SEL:
1978 case IPR_SDT_FMT2_EXP_ROM_SEL:
1986 static inline void writeq(u64 val, void __iomem *addr)
1988 writel(((u32) (val >> 32)), addr);
1989 writel(((u32) (val)), (addr + 4));