1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * ipr.h -- driver for IBM Power Linux RAID adapters
4 *
5 * Written By: Brian King <brking@us.ibm.com>, IBM Corporation
6 *
7 * Copyright (C) 2003, 2004 IBM Corporation
8 *
9 * Alan Cox <alan@lxorguk.ukuu.org.uk> - Removed several careless u32/dma_addr_t errors
10 * that broke 64bit platforms.
11 */
12
13 #ifndef _IPR_H
14 #define _IPR_H
15
16 #include <asm/unaligned.h>
17 #include <linux/types.h>
18 #include <linux/completion.h>
19 #include <linux/list.h>
20 #include <linux/kref.h>
21 #include <linux/irq_poll.h>
22 #include <scsi/scsi.h>
23 #include <scsi/scsi_cmnd.h>
24
25 /*
26 * Literals
27 */
28 #define IPR_DRIVER_VERSION "2.6.4"
29 #define IPR_DRIVER_DATE "(March 14, 2017)"
30
31 /*
32 * IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding
33 * ops per device for devices not running tagged command queuing.
34 * This can be adjusted at runtime through sysfs device attributes.
35 */
36 #define IPR_MAX_CMD_PER_LUN 6
37
38 /*
39 * IPR_NUM_BASE_CMD_BLKS: This defines the maximum number of
40 * ops the mid-layer can send to the adapter.
41 */
42 #define IPR_NUM_BASE_CMD_BLKS (ioa_cfg->max_cmds)
43
44 #define PCI_DEVICE_ID_IBM_OBSIDIAN_E 0x0339
45
46 #define PCI_DEVICE_ID_IBM_CROC_FPGA_E2 0x033D
47 #define PCI_DEVICE_ID_IBM_CROCODILE 0x034A
48 #define PCI_DEVICE_ID_IBM_RATTLESNAKE 0x04DA
49
50 #define IPR_SUBS_DEV_ID_2780 0x0264
51 #define IPR_SUBS_DEV_ID_5702 0x0266
52 #define IPR_SUBS_DEV_ID_5703 0x0278
53 #define IPR_SUBS_DEV_ID_572E 0x028D
54 #define IPR_SUBS_DEV_ID_573E 0x02D3
55 #define IPR_SUBS_DEV_ID_573D 0x02D4
56 #define IPR_SUBS_DEV_ID_571A 0x02C0
57 #define IPR_SUBS_DEV_ID_571B 0x02BE
58 #define IPR_SUBS_DEV_ID_571E 0x02BF
59 #define IPR_SUBS_DEV_ID_571F 0x02D5
60 #define IPR_SUBS_DEV_ID_572A 0x02C1
61 #define IPR_SUBS_DEV_ID_572B 0x02C2
62 #define IPR_SUBS_DEV_ID_572F 0x02C3
63 #define IPR_SUBS_DEV_ID_574E 0x030A
64 #define IPR_SUBS_DEV_ID_575B 0x030D
65 #define IPR_SUBS_DEV_ID_575C 0x0338
66 #define IPR_SUBS_DEV_ID_57B3 0x033A
67 #define IPR_SUBS_DEV_ID_57B7 0x0360
68 #define IPR_SUBS_DEV_ID_57B8 0x02C2
69
70 #define IPR_SUBS_DEV_ID_57B4 0x033B
71 #define IPR_SUBS_DEV_ID_57B2 0x035F
72 #define IPR_SUBS_DEV_ID_57C0 0x0352
73 #define IPR_SUBS_DEV_ID_57C3 0x0353
74 #define IPR_SUBS_DEV_ID_57C4 0x0354
75 #define IPR_SUBS_DEV_ID_57C6 0x0357
76 #define IPR_SUBS_DEV_ID_57CC 0x035C
77
78 #define IPR_SUBS_DEV_ID_57B5 0x033C
79 #define IPR_SUBS_DEV_ID_57CE 0x035E
80 #define IPR_SUBS_DEV_ID_57B1 0x0355
81
82 #define IPR_SUBS_DEV_ID_574D 0x0356
83 #define IPR_SUBS_DEV_ID_57C8 0x035D
84
85 #define IPR_SUBS_DEV_ID_57D5 0x03FB
86 #define IPR_SUBS_DEV_ID_57D6 0x03FC
87 #define IPR_SUBS_DEV_ID_57D7 0x03FF
88 #define IPR_SUBS_DEV_ID_57D8 0x03FE
89 #define IPR_SUBS_DEV_ID_57D9 0x046D
90 #define IPR_SUBS_DEV_ID_57DA 0x04CA
91 #define IPR_SUBS_DEV_ID_57EB 0x0474
92 #define IPR_SUBS_DEV_ID_57EC 0x0475
93 #define IPR_SUBS_DEV_ID_57ED 0x0499
94 #define IPR_SUBS_DEV_ID_57EE 0x049A
95 #define IPR_SUBS_DEV_ID_57EF 0x049B
96 #define IPR_SUBS_DEV_ID_57F0 0x049C
97 #define IPR_SUBS_DEV_ID_2CCA 0x04C7
98 #define IPR_SUBS_DEV_ID_2CD2 0x04C8
99 #define IPR_SUBS_DEV_ID_2CCD 0x04C9
100 #define IPR_SUBS_DEV_ID_580A 0x04FC
101 #define IPR_SUBS_DEV_ID_580B 0x04FB
102 #define IPR_NAME "ipr"
103
104 /*
105 * Return codes
106 */
107 #define IPR_RC_JOB_CONTINUE 1
108 #define IPR_RC_JOB_RETURN 2
109
110 /*
111 * IOASCs
112 */
113 #define IPR_IOASC_NR_INIT_CMD_REQUIRED 0x02040200
114 #define IPR_IOASC_NR_IOA_RESET_REQUIRED 0x02048000
115 #define IPR_IOASC_SYNC_REQUIRED 0x023f0000
116 #define IPR_IOASC_MED_DO_NOT_REALLOC 0x03110C00
117 #define IPR_IOASC_HW_SEL_TIMEOUT 0x04050000
118 #define IPR_IOASC_HW_DEV_BUS_STATUS 0x04448500
119 #define IPR_IOASC_IOASC_MASK 0xFFFFFF00
120 #define IPR_IOASC_SCSI_STATUS_MASK 0x000000FF
121 #define IPR_IOASC_HW_CMD_FAILED 0x046E0000
122 #define IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT 0x05240000
123 #define IPR_IOASC_IR_RESOURCE_HANDLE 0x05250000
124 #define IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA 0x05258100
125 #define IPR_IOASA_IR_DUAL_IOA_DISABLED 0x052C8000
126 #define IPR_IOASC_BUS_WAS_RESET 0x06290000
127 #define IPR_IOASC_BUS_WAS_RESET_BY_OTHER 0x06298000
128 #define IPR_IOASC_ABORTED_CMD_TERM_BY_HOST 0x0B5A0000
129 #define IPR_IOASC_IR_NON_OPTIMIZED 0x05258200
130
131 #define IPR_FIRST_DRIVER_IOASC 0x10000000
132 #define IPR_IOASC_IOA_WAS_RESET 0x10000001
133 #define IPR_IOASC_PCI_ACCESS_ERROR 0x10000002
134
135 /* Driver data flags */
136 #define IPR_USE_LONG_TRANSOP_TIMEOUT 0x00000001
137 #define IPR_USE_PCI_WARM_RESET 0x00000002
138
139 #define IPR_DEFAULT_MAX_ERROR_DUMP 984
140 #define IPR_NUM_LOG_HCAMS 2
141 #define IPR_NUM_CFG_CHG_HCAMS 2
142 #define IPR_NUM_HCAM_QUEUE 12
143 #define IPR_NUM_HCAMS (IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS)
144 #define IPR_MAX_HCAMS (IPR_NUM_HCAMS + IPR_NUM_HCAM_QUEUE)
145
146 #define IPR_MAX_SIS64_TARGETS_PER_BUS 1024
147 #define IPR_MAX_SIS64_LUNS_PER_TARGET 0xffffffff
148
149 #define IPR_MAX_NUM_TARGETS_PER_BUS 256
150 #define IPR_MAX_NUM_LUNS_PER_TARGET 256
151 #define IPR_VSET_BUS 0xff
152 #define IPR_IOA_BUS 0xff
153 #define IPR_IOA_TARGET 0xff
154 #define IPR_IOA_LUN 0xff
155 #define IPR_MAX_NUM_BUSES 16
156
157 #define IPR_NUM_RESET_RELOAD_RETRIES 3
158
159 /* We need resources for HCAMS, IOA reset, IOA bringdown, and ERP */
160 #define IPR_NUM_INTERNAL_CMD_BLKS (IPR_NUM_HCAMS + \
161 ((IPR_NUM_RESET_RELOAD_RETRIES + 1) * 2) + 4)
162
163 #define IPR_MAX_COMMANDS 100
164 #define IPR_NUM_CMD_BLKS (IPR_NUM_BASE_CMD_BLKS + \
165 IPR_NUM_INTERNAL_CMD_BLKS)
166
167 #define IPR_MAX_PHYSICAL_DEVS 192
168 #define IPR_DEFAULT_SIS64_DEVS 1024
169 #define IPR_MAX_SIS64_DEVS 4096
170
171 #define IPR_MAX_SGLIST 64
172 #define IPR_IOA_MAX_SECTORS 32767
173 #define IPR_VSET_MAX_SECTORS 512
174 #define IPR_MAX_CDB_LEN 16
175 #define IPR_MAX_HRRQ_RETRIES 3
176
177 #define IPR_DEFAULT_BUS_WIDTH 16
178 #define IPR_80MBs_SCSI_RATE ((80 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
179 #define IPR_U160_SCSI_RATE ((160 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
180 #define IPR_U320_SCSI_RATE ((320 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
181 #define IPR_MAX_SCSI_RATE(width) ((320 * 10) / ((width) / 8))
182
183 #define IPR_IOA_RES_HANDLE 0xffffffff
184 #define IPR_INVALID_RES_HANDLE 0
185 #define IPR_IOA_RES_ADDR 0x00ffffff
186
187 /*
188 * Adapter Commands
189 */
190 #define IPR_CANCEL_REQUEST 0xC0
191 #define IPR_CANCEL_64BIT_IOARCB 0x01
192 #define IPR_QUERY_RSRC_STATE 0xC2
193 #define IPR_RESET_DEVICE 0xC3
194 #define IPR_RESET_TYPE_SELECT 0x80
195 #define IPR_LUN_RESET 0x40
196 #define IPR_TARGET_RESET 0x20
197 #define IPR_BUS_RESET 0x10
198 #define IPR_ID_HOST_RR_Q 0xC4
199 #define IPR_QUERY_IOA_CONFIG 0xC5
200 #define IPR_CANCEL_ALL_REQUESTS 0xCE
201 #define IPR_HOST_CONTROLLED_ASYNC 0xCF
202 #define IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE 0x01
203 #define IPR_HCAM_CDB_OP_CODE_LOG_DATA 0x02
204 #define IPR_SET_SUPPORTED_DEVICES 0xFB
205 #define IPR_SET_ALL_SUPPORTED_DEVICES 0x80
206 #define IPR_IOA_SHUTDOWN 0xF7
207 #define IPR_WR_BUF_DOWNLOAD_AND_SAVE 0x05
208 #define IPR_IOA_SERVICE_ACTION 0xD2
209
210 /* IOA Service Actions */
211 #define IPR_IOA_SA_CHANGE_CACHE_PARAMS 0x14
212
213 /*
214 * Timeouts
215 */
216 #define IPR_SHUTDOWN_TIMEOUT (ipr_fastfail ? 60 * HZ : 10 * 60 * HZ)
217 #define IPR_VSET_RW_TIMEOUT (ipr_fastfail ? 30 * HZ : 2 * 60 * HZ)
218 #define IPR_ABBREV_SHUTDOWN_TIMEOUT (10 * HZ)
219 #define IPR_DUAL_IOA_ABBR_SHUTDOWN_TO (2 * 60 * HZ)
220 #define IPR_DEVICE_RESET_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
221 #define IPR_CANCEL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
222 #define IPR_CANCEL_ALL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
223 #define IPR_ABORT_TASK_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
224 #define IPR_INTERNAL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
225 #define IPR_WRITE_BUFFER_TIMEOUT (30 * 60 * HZ)
226 #define IPR_SET_SUP_DEVICE_TIMEOUT (2 * 60 * HZ)
227 #define IPR_REQUEST_SENSE_TIMEOUT (10 * HZ)
228 #define IPR_OPERATIONAL_TIMEOUT (5 * 60)
229 #define IPR_LONG_OPERATIONAL_TIMEOUT (12 * 60)
230 #define IPR_WAIT_FOR_RESET_TIMEOUT (2 * HZ)
231 #define IPR_CHECK_FOR_RESET_TIMEOUT (HZ / 10)
232 #define IPR_WAIT_FOR_BIST_TIMEOUT (2 * HZ)
233 #define IPR_PCI_ERROR_RECOVERY_TIMEOUT (120 * HZ)
234 #define IPR_PCI_RESET_TIMEOUT (HZ / 2)
235 #define IPR_SIS32_DUMP_TIMEOUT (15 * HZ)
236 #define IPR_SIS64_DUMP_TIMEOUT (40 * HZ)
237 #define IPR_DUMP_DELAY_SECONDS 4
238 #define IPR_DUMP_DELAY_TIMEOUT (IPR_DUMP_DELAY_SECONDS * HZ)
239
240 /*
241 * SCSI Literals
242 */
243 #define IPR_VENDOR_ID_LEN 8
244 #define IPR_PROD_ID_LEN 16
245 #define IPR_SERIAL_NUM_LEN 8
246
247 /*
248 * Hardware literals
249 */
250 #define IPR_FMT2_MBX_ADDR_MASK 0x0fffffff
251 #define IPR_FMT2_MBX_BAR_SEL_MASK 0xf0000000
252 #define IPR_FMT2_MKR_BAR_SEL_SHIFT 28
253 #define IPR_GET_FMT2_BAR_SEL(mbx) \
254 (((mbx) & IPR_FMT2_MBX_BAR_SEL_MASK) >> IPR_FMT2_MKR_BAR_SEL_SHIFT)
255 #define IPR_SDT_FMT2_BAR0_SEL 0x0
256 #define IPR_SDT_FMT2_BAR1_SEL 0x1
257 #define IPR_SDT_FMT2_BAR2_SEL 0x2
258 #define IPR_SDT_FMT2_BAR3_SEL 0x3
259 #define IPR_SDT_FMT2_BAR4_SEL 0x4
260 #define IPR_SDT_FMT2_BAR5_SEL 0x5
261 #define IPR_SDT_FMT2_EXP_ROM_SEL 0x8
262 #define IPR_FMT2_SDT_READY_TO_USE 0xC4D4E3F2
263 #define IPR_FMT3_SDT_READY_TO_USE 0xC4D4E3F3
264 #define IPR_DOORBELL 0x82800000
265 #define IPR_RUNTIME_RESET 0x40000000
266
267 #define IPR_IPL_INIT_MIN_STAGE_TIME 5
268 #define IPR_IPL_INIT_DEFAULT_STAGE_TIME 30
269 #define IPR_IPL_INIT_STAGE_UNKNOWN 0x0
270 #define IPR_IPL_INIT_STAGE_TRANSOP 0xB0000000
271 #define IPR_IPL_INIT_STAGE_MASK 0xff000000
272 #define IPR_IPL_INIT_STAGE_TIME_MASK 0x0000ffff
273 #define IPR_PCII_IPL_STAGE_CHANGE (0x80000000 >> 0)
274
275 #define IPR_PCII_MAILBOX_STABLE (0x80000000 >> 4)
276 #define IPR_WAIT_FOR_MAILBOX (2 * HZ)
277
278 #define IPR_PCII_IOA_TRANS_TO_OPER (0x80000000 >> 0)
279 #define IPR_PCII_IOARCB_XFER_FAILED (0x80000000 >> 3)
280 #define IPR_PCII_IOA_UNIT_CHECKED (0x80000000 >> 4)
281 #define IPR_PCII_NO_HOST_RRQ (0x80000000 >> 5)
282 #define IPR_PCII_CRITICAL_OPERATION (0x80000000 >> 6)
283 #define IPR_PCII_IO_DEBUG_ACKNOWLEDGE (0x80000000 >> 7)
284 #define IPR_PCII_IOARRIN_LOST (0x80000000 >> 27)
285 #define IPR_PCII_MMIO_ERROR (0x80000000 >> 28)
286 #define IPR_PCII_PROC_ERR_STATE (0x80000000 >> 29)
287 #define IPR_PCII_HRRQ_UPDATED (0x80000000 >> 30)
288 #define IPR_PCII_CORE_ISSUED_RST_REQ (0x80000000 >> 31)
289
290 #define IPR_PCII_ERROR_INTERRUPTS \
291 (IPR_PCII_IOARCB_XFER_FAILED | IPR_PCII_IOA_UNIT_CHECKED | \
292 IPR_PCII_NO_HOST_RRQ | IPR_PCII_IOARRIN_LOST | IPR_PCII_MMIO_ERROR)
293
294 #define IPR_PCII_OPER_INTERRUPTS \
295 (IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED | IPR_PCII_IOA_TRANS_TO_OPER)
296
297 #define IPR_UPROCI_RESET_ALERT (0x80000000 >> 7)
298 #define IPR_UPROCI_IO_DEBUG_ALERT (0x80000000 >> 9)
299 #define IPR_UPROCI_SIS64_START_BIST (0x80000000 >> 23)
300
301 #define IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC 200000 /* 200 ms */
302 #define IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC 200000 /* 200 ms */
303
304 /*
305 * Dump literals
306 */
307 #define IPR_FMT2_MAX_IOA_DUMP_SIZE (4 * 1024 * 1024)
308 #define IPR_FMT3_MAX_IOA_DUMP_SIZE (80 * 1024 * 1024)
309 #define IPR_FMT2_NUM_SDT_ENTRIES 511
310 #define IPR_FMT3_NUM_SDT_ENTRIES 0xFFF
311 #define IPR_FMT2_MAX_NUM_DUMP_PAGES ((IPR_FMT2_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
312 #define IPR_FMT3_MAX_NUM_DUMP_PAGES ((IPR_FMT3_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
313
314 /*
315 * Misc literals
316 */
317 #define IPR_NUM_IOADL_ENTRIES IPR_MAX_SGLIST
318 #define IPR_MAX_MSIX_VECTORS 0x10
319 #define IPR_MAX_HRRQ_NUM 0x10
320 #define IPR_INIT_HRRQ 0x0
321
322 /*
323 * Adapter interface types
324 */
325
326 struct ipr_res_addr {
327 u8 reserved;
328 u8 bus;
329 u8 target;
330 u8 lun;
331 #define IPR_GET_PHYS_LOC(res_addr) \
332 (((res_addr).bus << 16) | ((res_addr).target << 8) | (res_addr).lun)
333 }__attribute__((packed, aligned (4)));
334
335 struct ipr_std_inq_vpids {
336 u8 vendor_id[IPR_VENDOR_ID_LEN];
337 u8 product_id[IPR_PROD_ID_LEN];
338 }__attribute__((packed));
339
340 struct ipr_vpd {
341 struct ipr_std_inq_vpids vpids;
342 u8 sn[IPR_SERIAL_NUM_LEN];
343 }__attribute__((packed));
344
345 struct ipr_ext_vpd {
346 struct ipr_vpd vpd;
347 __be32 wwid[2];
348 }__attribute__((packed));
349
350 struct ipr_ext_vpd64 {
351 struct ipr_vpd vpd;
352 __be32 wwid[4];
353 }__attribute__((packed));
354
355 struct ipr_std_inq_data {
356 u8 peri_qual_dev_type;
357 #define IPR_STD_INQ_PERI_QUAL(peri) ((peri) >> 5)
358 #define IPR_STD_INQ_PERI_DEV_TYPE(peri) ((peri) & 0x1F)
359
360 u8 removeable_medium_rsvd;
361 #define IPR_STD_INQ_REMOVEABLE_MEDIUM 0x80
362
363 #define IPR_IS_DASD_DEVICE(std_inq) \
364 ((IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_DISK) && \
365 !(((std_inq).removeable_medium_rsvd) & IPR_STD_INQ_REMOVEABLE_MEDIUM))
366
367 #define IPR_IS_SES_DEVICE(std_inq) \
368 (IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_ENCLOSURE)
369
370 u8 version;
371 u8 aen_naca_fmt;
372 u8 additional_len;
373 u8 sccs_rsvd;
374 u8 bq_enc_multi;
375 u8 sync_cmdq_flags;
376
377 struct ipr_std_inq_vpids vpids;
378
379 u8 ros_rsvd_ram_rsvd[4];
380
381 u8 serial_num[IPR_SERIAL_NUM_LEN];
382 }__attribute__ ((packed));
383
384 #define IPR_RES_TYPE_AF_DASD 0x00
385 #define IPR_RES_TYPE_GENERIC_SCSI 0x01
386 #define IPR_RES_TYPE_VOLUME_SET 0x02
387 #define IPR_RES_TYPE_REMOTE_AF_DASD 0x03
388 #define IPR_RES_TYPE_GENERIC_ATA 0x04
389 #define IPR_RES_TYPE_ARRAY 0x05
390 #define IPR_RES_TYPE_IOAFP 0xff
391
392 struct ipr_config_table_entry {
393 u8 proto;
394 #define IPR_PROTO_SATA 0x02
395 #define IPR_PROTO_SATA_ATAPI 0x03
396 #define IPR_PROTO_SAS_STP 0x06
397 #define IPR_PROTO_SAS_STP_ATAPI 0x07
398 u8 array_id;
399 u8 flags;
400 #define IPR_IS_IOA_RESOURCE 0x80
401 u8 rsvd_subtype;
402
403 #define IPR_QUEUEING_MODEL(res) ((((res)->flags) & 0x70) >> 4)
404 #define IPR_QUEUE_FROZEN_MODEL 0
405 #define IPR_QUEUE_NACA_MODEL 1
406
407 struct ipr_res_addr res_addr;
408 __be32 res_handle;
409 __be32 lun_wwn[2];
410 struct ipr_std_inq_data std_inq_data;
411 }__attribute__ ((packed, aligned (4)));
412
413 struct ipr_config_table_entry64 {
414 u8 res_type;
415 u8 proto;
416 u8 vset_num;
417 u8 array_id;
418 __be16 flags;
419 __be16 res_flags;
420 #define IPR_QUEUEING_MODEL64(res) ((((res)->res_flags) & 0x7000) >> 12)
421 __be32 res_handle;
422 u8 dev_id_type;
423 u8 reserved[3];
424 __be64 dev_id;
425 __be64 lun;
426 __be64 lun_wwn[2];
427 #define IPR_MAX_RES_PATH_LENGTH 48
428 #define IPR_RES_PATH_BYTES 8
429 __be64 res_path;
430 struct ipr_std_inq_data std_inq_data;
431 u8 reserved2[4];
432 __be64 reserved3[2];
433 u8 reserved4[8];
434 }__attribute__ ((packed, aligned (8)));
435
436 struct ipr_config_table_hdr {
437 u8 num_entries;
438 u8 flags;
439 #define IPR_UCODE_DOWNLOAD_REQ 0x10
440 __be16 reserved;
441 }__attribute__((packed, aligned (4)));
442
443 struct ipr_config_table_hdr64 {
444 __be16 num_entries;
445 __be16 reserved;
446 u8 flags;
447 u8 reserved2[11];
448 }__attribute__((packed, aligned (4)));
449
450 struct ipr_config_table {
451 struct ipr_config_table_hdr hdr;
452 struct ipr_config_table_entry dev[];
453 }__attribute__((packed, aligned (4)));
454
455 struct ipr_config_table64 {
456 struct ipr_config_table_hdr64 hdr64;
457 struct ipr_config_table_entry64 dev[];
458 }__attribute__((packed, aligned (8)));
459
460 struct ipr_config_table_entry_wrapper {
461 union {
462 struct ipr_config_table_entry *cfgte;
463 struct ipr_config_table_entry64 *cfgte64;
464 } u;
465 };
466
467 struct ipr_hostrcb_cfg_ch_not {
468 union {
469 struct ipr_config_table_entry cfgte;
470 struct ipr_config_table_entry64 cfgte64;
471 } u;
472 u8 reserved[936];
473 }__attribute__((packed, aligned (4)));
474
475 struct ipr_supported_device {
476 __be16 data_length;
477 u8 reserved;
478 u8 num_records;
479 struct ipr_std_inq_vpids vpids;
480 u8 reserved2[16];
481 }__attribute__((packed, aligned (4)));
482
483 struct ipr_hrr_queue {
484 struct ipr_ioa_cfg *ioa_cfg;
485 __be32 *host_rrq;
486 dma_addr_t host_rrq_dma;
487 #define IPR_HRRQ_REQ_RESP_HANDLE_MASK 0xfffffffc
488 #define IPR_HRRQ_RESP_BIT_SET 0x00000002
489 #define IPR_HRRQ_TOGGLE_BIT 0x00000001
490 #define IPR_HRRQ_REQ_RESP_HANDLE_SHIFT 2
491 #define IPR_ID_HRRQ_SELE_ENABLE 0x02
492 volatile __be32 *hrrq_start;
493 volatile __be32 *hrrq_end;
494 volatile __be32 *hrrq_curr;
495
496 struct list_head hrrq_free_q;
497 struct list_head hrrq_pending_q;
498 spinlock_t _lock;
499 spinlock_t *lock;
500
501 volatile u32 toggle_bit;
502 u32 size;
503 u32 min_cmd_id;
504 u32 max_cmd_id;
505 u8 allow_interrupts:1;
506 u8 ioa_is_dead:1;
507 u8 allow_cmds:1;
508 u8 removing_ioa:1;
509
510 struct irq_poll iopoll;
511 };
512
513 /* Command packet structure */
514 struct ipr_cmd_pkt {
515 u8 reserved; /* Reserved by IOA */
516 u8 hrrq_id;
517 u8 request_type;
518 #define IPR_RQTYPE_SCSICDB 0x00
519 #define IPR_RQTYPE_IOACMD 0x01
520 #define IPR_RQTYPE_HCAM 0x02
521 #define IPR_RQTYPE_PIPE 0x05
522
523 u8 reserved2;
524
525 u8 flags_hi;
526 #define IPR_FLAGS_HI_WRITE_NOT_READ 0x80
527 #define IPR_FLAGS_HI_NO_ULEN_CHK 0x20
528 #define IPR_FLAGS_HI_SYNC_OVERRIDE 0x10
529 #define IPR_FLAGS_HI_SYNC_COMPLETE 0x08
530 #define IPR_FLAGS_HI_NO_LINK_DESC 0x04
531
532 u8 flags_lo;
533 #define IPR_FLAGS_LO_ALIGNED_BFR 0x20
534 #define IPR_FLAGS_LO_DELAY_AFTER_RST 0x10
535 #define IPR_FLAGS_LO_UNTAGGED_TASK 0x00
536 #define IPR_FLAGS_LO_SIMPLE_TASK 0x02
537 #define IPR_FLAGS_LO_ORDERED_TASK 0x04
538 #define IPR_FLAGS_LO_HEAD_OF_Q_TASK 0x06
539 #define IPR_FLAGS_LO_ACA_TASK 0x08
540
541 u8 cdb[16];
542 __be16 timeout;
543 }__attribute__ ((packed, aligned(4)));
544
545 struct ipr_ioadl_desc {
546 __be32 flags_and_data_len;
547 #define IPR_IOADL_FLAGS_MASK 0xff000000
548 #define IPR_IOADL_GET_FLAGS(x) (be32_to_cpu(x) & IPR_IOADL_FLAGS_MASK)
549 #define IPR_IOADL_DATA_LEN_MASK 0x00ffffff
550 #define IPR_IOADL_GET_DATA_LEN(x) (be32_to_cpu(x) & IPR_IOADL_DATA_LEN_MASK)
551 #define IPR_IOADL_FLAGS_READ 0x48000000
552 #define IPR_IOADL_FLAGS_READ_LAST 0x49000000
553 #define IPR_IOADL_FLAGS_WRITE 0x68000000
554 #define IPR_IOADL_FLAGS_WRITE_LAST 0x69000000
555 #define IPR_IOADL_FLAGS_LAST 0x01000000
556
557 __be32 address;
558 }__attribute__((packed, aligned (8)));
559
560 struct ipr_ioadl64_desc {
561 __be32 flags;
562 __be32 data_len;
563 __be64 address;
564 }__attribute__((packed, aligned (16)));
565
566 struct ipr_ioarcb_add_data {
567 union {
568 struct ipr_ioadl_desc ioadl[5];
569 __be32 add_cmd_parms[10];
570 } u;
571 }__attribute__ ((packed, aligned (4)));
572
573 struct ipr_ioarcb_sis64_add_addr_ecb {
574 __be64 ioasa_host_pci_addr;
575 __be64 data_ioadl_addr;
576 __be64 reserved;
577 __be32 ext_control_buf[4];
578 }__attribute__((packed, aligned (8)));
579
580 /* IOA Request Control Block 128 bytes */
581 struct ipr_ioarcb {
582 union {
583 __be32 ioarcb_host_pci_addr;
584 __be64 ioarcb_host_pci_addr64;
585 } a;
586 __be32 res_handle;
587 __be32 host_response_handle;
588 __be32 reserved1;
589 __be32 reserved2;
590 __be32 reserved3;
591
592 __be32 data_transfer_length;
593 __be32 read_data_transfer_length;
594 __be32 write_ioadl_addr;
595 __be32 ioadl_len;
596 __be32 read_ioadl_addr;
597 __be32 read_ioadl_len;
598
599 __be32 ioasa_host_pci_addr;
600 __be16 ioasa_len;
601 __be16 reserved4;
602
603 struct ipr_cmd_pkt cmd_pkt;
604
605 __be16 add_cmd_parms_offset;
606 __be16 add_cmd_parms_len;
607
608 union {
609 struct ipr_ioarcb_add_data add_data;
610 struct ipr_ioarcb_sis64_add_addr_ecb sis64_addr_data;
611 } u;
612
613 }__attribute__((packed, aligned (4)));
614
615 struct ipr_ioasa_vset {
616 __be32 failing_lba_hi;
617 __be32 failing_lba_lo;
618 __be32 reserved;
619 }__attribute__((packed, aligned (4)));
620
621 struct ipr_ioasa_af_dasd {
622 __be32 failing_lba;
623 __be32 reserved[2];
624 }__attribute__((packed, aligned (4)));
625
626 struct ipr_ioasa_gpdd {
627 u8 end_state;
628 u8 bus_phase;
629 __be16 reserved;
630 __be32 ioa_data[2];
631 }__attribute__((packed, aligned (4)));
632
633 struct ipr_auto_sense {
634 __be16 auto_sense_len;
635 __be16 ioa_data_len;
636 __be32 data[SCSI_SENSE_BUFFERSIZE/sizeof(__be32)];
637 };
638
639 struct ipr_ioasa_hdr {
640 __be32 ioasc;
641 #define IPR_IOASC_SENSE_KEY(ioasc) ((ioasc) >> 24)
642 #define IPR_IOASC_SENSE_CODE(ioasc) (((ioasc) & 0x00ff0000) >> 16)
643 #define IPR_IOASC_SENSE_QUAL(ioasc) (((ioasc) & 0x0000ff00) >> 8)
644 #define IPR_IOASC_SENSE_STATUS(ioasc) ((ioasc) & 0x000000ff)
645
646 __be16 ret_stat_len; /* Length of the returned IOASA */
647
648 __be16 avail_stat_len; /* Total Length of status available. */
649
650 __be32 residual_data_len; /* number of bytes in the host data */
651 /* buffers that were not used by the IOARCB command. */
652
653 __be32 ilid;
654 #define IPR_NO_ILID 0
655 #define IPR_DRIVER_ILID 0xffffffff
656
657 __be32 fd_ioasc;
658
659 __be32 fd_phys_locator;
660
661 __be32 fd_res_handle;
662
663 __be32 ioasc_specific; /* status code specific field */
664 #define IPR_ADDITIONAL_STATUS_FMT 0x80000000
665 #define IPR_AUTOSENSE_VALID 0x40000000
666 #define IPR_IOASC_SPECIFIC_MASK 0x00ffffff
667 #define IPR_FIELD_POINTER_VALID (0x80000000 >> 8)
668 #define IPR_FIELD_POINTER_MASK 0x0000ffff
669
670 }__attribute__((packed, aligned (4)));
671
672 struct ipr_ioasa {
673 struct ipr_ioasa_hdr hdr;
674
675 union {
676 struct ipr_ioasa_vset vset;
677 struct ipr_ioasa_af_dasd dasd;
678 struct ipr_ioasa_gpdd gpdd;
679 } u;
680
681 struct ipr_auto_sense auto_sense;
682 }__attribute__((packed, aligned (4)));
683
684 struct ipr_ioasa64 {
685 struct ipr_ioasa_hdr hdr;
686 u8 fd_res_path[8];
687
688 union {
689 struct ipr_ioasa_vset vset;
690 struct ipr_ioasa_af_dasd dasd;
691 struct ipr_ioasa_gpdd gpdd;
692 } u;
693
694 struct ipr_auto_sense auto_sense;
695 }__attribute__((packed, aligned (4)));
696
697 struct ipr_mode_parm_hdr {
698 u8 length;
699 u8 medium_type;
700 u8 device_spec_parms;
701 u8 block_desc_len;
702 }__attribute__((packed));
703
704 struct ipr_mode_pages {
705 struct ipr_mode_parm_hdr hdr;
706 u8 data[255 - sizeof(struct ipr_mode_parm_hdr)];
707 }__attribute__((packed));
708
709 struct ipr_mode_page_hdr {
710 u8 ps_page_code;
711 #define IPR_MODE_PAGE_PS 0x80
712 #define IPR_GET_MODE_PAGE_CODE(hdr) ((hdr)->ps_page_code & 0x3F)
713 u8 page_length;
714 }__attribute__ ((packed));
715
716 struct ipr_dev_bus_entry {
717 struct ipr_res_addr res_addr;
718 u8 flags;
719 #define IPR_SCSI_ATTR_ENABLE_QAS 0x80
720 #define IPR_SCSI_ATTR_DISABLE_QAS 0x40
721 #define IPR_SCSI_ATTR_QAS_MASK 0xC0
722 #define IPR_SCSI_ATTR_ENABLE_TM 0x20
723 #define IPR_SCSI_ATTR_NO_TERM_PWR 0x10
724 #define IPR_SCSI_ATTR_TM_SUPPORTED 0x08
725 #define IPR_SCSI_ATTR_LVD_TO_SE_NOT_ALLOWED 0x04
726
727 u8 scsi_id;
728 u8 bus_width;
729 u8 extended_reset_delay;
730 #define IPR_EXTENDED_RESET_DELAY 7
731
732 __be32 max_xfer_rate;
733
734 u8 spinup_delay;
735 u8 reserved3;
736 __be16 reserved4;
737 }__attribute__((packed, aligned (4)));
738
739 struct ipr_mode_page28 {
740 struct ipr_mode_page_hdr hdr;
741 u8 num_entries;
742 u8 entry_length;
743 struct ipr_dev_bus_entry bus[];
744 }__attribute__((packed));
745
746 struct ipr_mode_page24 {
747 struct ipr_mode_page_hdr hdr;
748 u8 flags;
749 #define IPR_ENABLE_DUAL_IOA_AF 0x80
750 }__attribute__((packed));
751
752 struct ipr_ioa_vpd {
753 struct ipr_std_inq_data std_inq_data;
754 u8 ascii_part_num[12];
755 u8 reserved[40];
756 u8 ascii_plant_code[4];
757 }__attribute__((packed));
758
759 struct ipr_inquiry_page3 {
760 u8 peri_qual_dev_type;
761 u8 page_code;
762 u8 reserved1;
763 u8 page_length;
764 u8 ascii_len;
765 u8 reserved2[3];
766 u8 load_id[4];
767 u8 major_release;
768 u8 card_type;
769 u8 minor_release[2];
770 u8 ptf_number[4];
771 u8 patch_number[4];
772 }__attribute__((packed));
773
774 struct ipr_inquiry_cap {
775 u8 peri_qual_dev_type;
776 u8 page_code;
777 u8 reserved1;
778 u8 page_length;
779 u8 ascii_len;
780 u8 reserved2;
781 u8 sis_version[2];
782 u8 cap;
783 #define IPR_CAP_DUAL_IOA_RAID 0x80
784 u8 reserved3[15];
785 }__attribute__((packed));
786
787 #define IPR_INQUIRY_PAGE0_ENTRIES 20
788 struct ipr_inquiry_page0 {
789 u8 peri_qual_dev_type;
790 u8 page_code;
791 u8 reserved1;
792 u8 len;
793 u8 page[IPR_INQUIRY_PAGE0_ENTRIES];
794 }__attribute__((packed));
795
796 struct ipr_inquiry_pageC4 {
797 u8 peri_qual_dev_type;
798 u8 page_code;
799 u8 reserved1;
800 u8 len;
801 u8 cache_cap[4];
802 #define IPR_CAP_SYNC_CACHE 0x08
803 u8 reserved2[20];
804 } __packed;
805
806 struct ipr_hostrcb_device_data_entry {
807 struct ipr_vpd vpd;
808 struct ipr_res_addr dev_res_addr;
809 struct ipr_vpd new_vpd;
810 struct ipr_vpd ioa_last_with_dev_vpd;
811 struct ipr_vpd cfc_last_with_dev_vpd;
812 __be32 ioa_data[5];
813 }__attribute__((packed, aligned (4)));
814
815 struct ipr_hostrcb_device_data_entry_enhanced {
816 struct ipr_ext_vpd vpd;
817 u8 ccin[4];
818 struct ipr_res_addr dev_res_addr;
819 struct ipr_ext_vpd new_vpd;
820 u8 new_ccin[4];
821 struct ipr_ext_vpd ioa_last_with_dev_vpd;
822 struct ipr_ext_vpd cfc_last_with_dev_vpd;
823 }__attribute__((packed, aligned (4)));
824
825 struct ipr_hostrcb64_device_data_entry_enhanced {
826 struct ipr_ext_vpd vpd;
827 u8 ccin[4];
828 u8 res_path[8];
829 struct ipr_ext_vpd new_vpd;
830 u8 new_ccin[4];
831 struct ipr_ext_vpd ioa_last_with_dev_vpd;
832 struct ipr_ext_vpd cfc_last_with_dev_vpd;
833 }__attribute__((packed, aligned (4)));
834
835 struct ipr_hostrcb_array_data_entry {
836 struct ipr_vpd vpd;
837 struct ipr_res_addr expected_dev_res_addr;
838 struct ipr_res_addr dev_res_addr;
839 }__attribute__((packed, aligned (4)));
840
841 struct ipr_hostrcb64_array_data_entry {
842 struct ipr_ext_vpd vpd;
843 u8 ccin[4];
844 u8 expected_res_path[8];
845 u8 res_path[8];
846 }__attribute__((packed, aligned (4)));
847
848 struct ipr_hostrcb_array_data_entry_enhanced {
849 struct ipr_ext_vpd vpd;
850 u8 ccin[4];
851 struct ipr_res_addr expected_dev_res_addr;
852 struct ipr_res_addr dev_res_addr;
853 }__attribute__((packed, aligned (4)));
854
855 struct ipr_hostrcb_type_ff_error {
856 __be32 ioa_data[758];
857 }__attribute__((packed, aligned (4)));
858
859 struct ipr_hostrcb_type_01_error {
860 __be32 seek_counter;
861 __be32 read_counter;
862 u8 sense_data[32];
863 __be32 ioa_data[236];
864 }__attribute__((packed, aligned (4)));
865
866 struct ipr_hostrcb_type_21_error {
867 __be32 wwn[4];
868 u8 res_path[8];
869 u8 primary_problem_desc[32];
870 u8 second_problem_desc[32];
871 __be32 sense_data[8];
872 __be32 cdb[4];
873 __be32 residual_trans_length;
874 __be32 length_of_error;
875 __be32 ioa_data[236];
876 }__attribute__((packed, aligned (4)));
877
878 struct ipr_hostrcb_type_02_error {
879 struct ipr_vpd ioa_vpd;
880 struct ipr_vpd cfc_vpd;
881 struct ipr_vpd ioa_last_attached_to_cfc_vpd;
882 struct ipr_vpd cfc_last_attached_to_ioa_vpd;
883 __be32 ioa_data[3];
884 }__attribute__((packed, aligned (4)));
885
886 struct ipr_hostrcb_type_12_error {
887 struct ipr_ext_vpd ioa_vpd;
888 struct ipr_ext_vpd cfc_vpd;
889 struct ipr_ext_vpd ioa_last_attached_to_cfc_vpd;
890 struct ipr_ext_vpd cfc_last_attached_to_ioa_vpd;
891 __be32 ioa_data[3];
892 }__attribute__((packed, aligned (4)));
893
894 struct ipr_hostrcb_type_03_error {
895 struct ipr_vpd ioa_vpd;
896 struct ipr_vpd cfc_vpd;
897 __be32 errors_detected;
898 __be32 errors_logged;
899 u8 ioa_data[12];
900 struct ipr_hostrcb_device_data_entry dev[3];
901 }__attribute__((packed, aligned (4)));
902
903 struct ipr_hostrcb_type_13_error {
904 struct ipr_ext_vpd ioa_vpd;
905 struct ipr_ext_vpd cfc_vpd;
906 __be32 errors_detected;
907 __be32 errors_logged;
908 struct ipr_hostrcb_device_data_entry_enhanced dev[3];
909 }__attribute__((packed, aligned (4)));
910
911 struct ipr_hostrcb_type_23_error {
912 struct ipr_ext_vpd ioa_vpd;
913 struct ipr_ext_vpd cfc_vpd;
914 __be32 errors_detected;
915 __be32 errors_logged;
916 struct ipr_hostrcb64_device_data_entry_enhanced dev[3];
917 }__attribute__((packed, aligned (4)));
918
919 struct ipr_hostrcb_type_04_error {
920 struct ipr_vpd ioa_vpd;
921 struct ipr_vpd cfc_vpd;
922 u8 ioa_data[12];
923 struct ipr_hostrcb_array_data_entry array_member[10];
924 __be32 exposed_mode_adn;
925 __be32 array_id;
926 struct ipr_vpd incomp_dev_vpd;
927 __be32 ioa_data2;
928 struct ipr_hostrcb_array_data_entry array_member2[8];
929 struct ipr_res_addr last_func_vset_res_addr;
930 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
931 u8 protection_level[8];
932 }__attribute__((packed, aligned (4)));
933
934 struct ipr_hostrcb_type_14_error {
935 struct ipr_ext_vpd ioa_vpd;
936 struct ipr_ext_vpd cfc_vpd;
937 __be32 exposed_mode_adn;
938 __be32 array_id;
939 struct ipr_res_addr last_func_vset_res_addr;
940 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
941 u8 protection_level[8];
942 __be32 num_entries;
943 struct ipr_hostrcb_array_data_entry_enhanced array_member[18];
944 }__attribute__((packed, aligned (4)));
945
946 struct ipr_hostrcb_type_24_error {
947 struct ipr_ext_vpd ioa_vpd;
948 struct ipr_ext_vpd cfc_vpd;
949 u8 reserved[2];
950 u8 exposed_mode_adn;
951 #define IPR_INVALID_ARRAY_DEV_NUM 0xff
952 u8 array_id;
953 u8 last_res_path[8];
954 u8 protection_level[8];
955 struct ipr_ext_vpd64 array_vpd;
956 u8 description[16];
957 u8 reserved2[3];
958 u8 num_entries;
959 struct ipr_hostrcb64_array_data_entry array_member[32];
960 }__attribute__((packed, aligned (4)));
961
962 struct ipr_hostrcb_type_07_error {
963 u8 failure_reason[64];
964 struct ipr_vpd vpd;
965 __be32 data[222];
966 }__attribute__((packed, aligned (4)));
967
968 struct ipr_hostrcb_type_17_error {
969 u8 failure_reason[64];
970 struct ipr_ext_vpd vpd;
971 __be32 data[476];
972 }__attribute__((packed, aligned (4)));
973
974 struct ipr_hostrcb_config_element {
975 u8 type_status;
976 #define IPR_PATH_CFG_TYPE_MASK 0xF0
977 #define IPR_PATH_CFG_NOT_EXIST 0x00
978 #define IPR_PATH_CFG_IOA_PORT 0x10
979 #define IPR_PATH_CFG_EXP_PORT 0x20
980 #define IPR_PATH_CFG_DEVICE_PORT 0x30
981 #define IPR_PATH_CFG_DEVICE_LUN 0x40
982
983 #define IPR_PATH_CFG_STATUS_MASK 0x0F
984 #define IPR_PATH_CFG_NO_PROB 0x00
985 #define IPR_PATH_CFG_DEGRADED 0x01
986 #define IPR_PATH_CFG_FAILED 0x02
987 #define IPR_PATH_CFG_SUSPECT 0x03
988 #define IPR_PATH_NOT_DETECTED 0x04
989 #define IPR_PATH_INCORRECT_CONN 0x05
990
991 u8 cascaded_expander;
992 u8 phy;
993 u8 link_rate;
994 #define IPR_PHY_LINK_RATE_MASK 0x0F
995
996 __be32 wwid[2];
997 }__attribute__((packed, aligned (4)));
998
999 struct ipr_hostrcb64_config_element {
1000 __be16 length;
1001 u8 descriptor_id;
1002 #define IPR_DESCRIPTOR_MASK 0xC0
1003 #define IPR_DESCRIPTOR_SIS64 0x00
1004
1005 u8 reserved;
1006 u8 type_status;
1007
1008 u8 reserved2[2];
1009 u8 link_rate;
1010
1011 u8 res_path[8];
1012 __be32 wwid[2];
1013 }__attribute__((packed, aligned (8)));
1014
1015 struct ipr_hostrcb_fabric_desc {
1016 __be16 length;
1017 u8 ioa_port;
1018 u8 cascaded_expander;
1019 u8 phy;
1020 u8 path_state;
1021 #define IPR_PATH_ACTIVE_MASK 0xC0
1022 #define IPR_PATH_NO_INFO 0x00
1023 #define IPR_PATH_ACTIVE 0x40
1024 #define IPR_PATH_NOT_ACTIVE 0x80
1025
1026 #define IPR_PATH_STATE_MASK 0x0F
1027 #define IPR_PATH_STATE_NO_INFO 0x00
1028 #define IPR_PATH_HEALTHY 0x01
1029 #define IPR_PATH_DEGRADED 0x02
1030 #define IPR_PATH_FAILED 0x03
1031
1032 __be16 num_entries;
1033 struct ipr_hostrcb_config_element elem[1];
1034 }__attribute__((packed, aligned (4)));
1035
1036 struct ipr_hostrcb64_fabric_desc {
1037 __be16 length;
1038 u8 descriptor_id;
1039
1040 u8 reserved[2];
1041 u8 path_state;
1042
1043 u8 reserved2[2];
1044 u8 res_path[8];
1045 u8 reserved3[6];
1046 __be16 num_entries;
1047 struct ipr_hostrcb64_config_element elem[1];
1048 }__attribute__((packed, aligned (8)));
1049
1050 #define for_each_hrrq(hrrq, ioa_cfg) \
1051 for (hrrq = (ioa_cfg)->hrrq; \
1052 hrrq < ((ioa_cfg)->hrrq + (ioa_cfg)->hrrq_num); hrrq++)
1053
1054 #define for_each_fabric_cfg(fabric, cfg) \
1055 for (cfg = (fabric)->elem; \
1056 cfg < ((fabric)->elem + be16_to_cpu((fabric)->num_entries)); \
1057 cfg++)
1058
1059 struct ipr_hostrcb_type_20_error {
1060 u8 failure_reason[64];
1061 u8 reserved[3];
1062 u8 num_entries;
1063 struct ipr_hostrcb_fabric_desc desc[1];
1064 }__attribute__((packed, aligned (4)));
1065
1066 struct ipr_hostrcb_type_30_error {
1067 u8 failure_reason[64];
1068 u8 reserved[3];
1069 u8 num_entries;
1070 struct ipr_hostrcb64_fabric_desc desc[1];
1071 }__attribute__((packed, aligned (4)));
1072
1073 struct ipr_hostrcb_type_41_error {
1074 u8 failure_reason[64];
1075 __be32 data[200];
1076 }__attribute__((packed, aligned (4)));
1077
1078 struct ipr_hostrcb_error {
1079 __be32 fd_ioasc;
1080 struct ipr_res_addr fd_res_addr;
1081 __be32 fd_res_handle;
1082 __be32 prc;
1083 union {
1084 struct ipr_hostrcb_type_ff_error type_ff_error;
1085 struct ipr_hostrcb_type_01_error type_01_error;
1086 struct ipr_hostrcb_type_02_error type_02_error;
1087 struct ipr_hostrcb_type_03_error type_03_error;
1088 struct ipr_hostrcb_type_04_error type_04_error;
1089 struct ipr_hostrcb_type_07_error type_07_error;
1090 struct ipr_hostrcb_type_12_error type_12_error;
1091 struct ipr_hostrcb_type_13_error type_13_error;
1092 struct ipr_hostrcb_type_14_error type_14_error;
1093 struct ipr_hostrcb_type_17_error type_17_error;
1094 struct ipr_hostrcb_type_20_error type_20_error;
1095 } u;
1096 }__attribute__((packed, aligned (4)));
1097
1098 struct ipr_hostrcb64_error {
1099 __be32 fd_ioasc;
1100 __be32 ioa_fw_level;
1101 __be32 fd_res_handle;
1102 __be32 prc;
1103 __be64 fd_dev_id;
1104 __be64 fd_lun;
1105 u8 fd_res_path[8];
1106 __be64 time_stamp;
1107 u8 reserved[16];
1108 union {
1109 struct ipr_hostrcb_type_ff_error type_ff_error;
1110 struct ipr_hostrcb_type_12_error type_12_error;
1111 struct ipr_hostrcb_type_17_error type_17_error;
1112 struct ipr_hostrcb_type_21_error type_21_error;
1113 struct ipr_hostrcb_type_23_error type_23_error;
1114 struct ipr_hostrcb_type_24_error type_24_error;
1115 struct ipr_hostrcb_type_30_error type_30_error;
1116 struct ipr_hostrcb_type_41_error type_41_error;
1117 } u;
1118 }__attribute__((packed, aligned (8)));
1119
1120 struct ipr_hostrcb_raw {
1121 __be32 data[sizeof(struct ipr_hostrcb_error)/sizeof(__be32)];
1122 }__attribute__((packed, aligned (4)));
1123
1124 struct ipr_hcam {
1125 u8 op_code;
1126 #define IPR_HOST_RCB_OP_CODE_CONFIG_CHANGE 0xE1
1127 #define IPR_HOST_RCB_OP_CODE_LOG_DATA 0xE2
1128
1129 u8 notify_type;
1130 #define IPR_HOST_RCB_NOTIF_TYPE_EXISTING_CHANGED 0x00
1131 #define IPR_HOST_RCB_NOTIF_TYPE_NEW_ENTRY 0x01
1132 #define IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY 0x02
1133 #define IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY 0x10
1134 #define IPR_HOST_RCB_NOTIF_TYPE_INFORMATION_ENTRY 0x11
1135
1136 u8 notifications_lost;
1137 #define IPR_HOST_RCB_NO_NOTIFICATIONS_LOST 0
1138 #define IPR_HOST_RCB_NOTIFICATIONS_LOST 0x80
1139
1140 u8 flags;
1141 #define IPR_HOSTRCB_INTERNAL_OPER 0x80
1142 #define IPR_HOSTRCB_ERR_RESP_SENT 0x40
1143
1144 u8 overlay_id;
1145 #define IPR_HOST_RCB_OVERLAY_ID_1 0x01
1146 #define IPR_HOST_RCB_OVERLAY_ID_2 0x02
1147 #define IPR_HOST_RCB_OVERLAY_ID_3 0x03
1148 #define IPR_HOST_RCB_OVERLAY_ID_4 0x04
1149 #define IPR_HOST_RCB_OVERLAY_ID_6 0x06
1150 #define IPR_HOST_RCB_OVERLAY_ID_7 0x07
1151 #define IPR_HOST_RCB_OVERLAY_ID_12 0x12
1152 #define IPR_HOST_RCB_OVERLAY_ID_13 0x13
1153 #define IPR_HOST_RCB_OVERLAY_ID_14 0x14
1154 #define IPR_HOST_RCB_OVERLAY_ID_16 0x16
1155 #define IPR_HOST_RCB_OVERLAY_ID_17 0x17
1156 #define IPR_HOST_RCB_OVERLAY_ID_20 0x20
1157 #define IPR_HOST_RCB_OVERLAY_ID_21 0x21
1158 #define IPR_HOST_RCB_OVERLAY_ID_23 0x23
1159 #define IPR_HOST_RCB_OVERLAY_ID_24 0x24
1160 #define IPR_HOST_RCB_OVERLAY_ID_26 0x26
1161 #define IPR_HOST_RCB_OVERLAY_ID_30 0x30
1162 #define IPR_HOST_RCB_OVERLAY_ID_41 0x41
1163 #define IPR_HOST_RCB_OVERLAY_ID_DEFAULT 0xFF
1164
1165 u8 reserved1[3];
1166 __be32 ilid;
1167 __be32 time_since_last_ioa_reset;
1168 __be32 reserved2;
1169 __be32 length;
1170
1171 union {
1172 struct ipr_hostrcb_error error;
1173 struct ipr_hostrcb64_error error64;
1174 struct ipr_hostrcb_cfg_ch_not ccn;
1175 struct ipr_hostrcb_raw raw;
1176 } u;
1177 }__attribute__((packed, aligned (4)));
1178
1179 struct ipr_hostrcb {
1180 struct ipr_hcam hcam;
1181 dma_addr_t hostrcb_dma;
1182 struct list_head queue;
1183 struct ipr_ioa_cfg *ioa_cfg;
1184 char rp_buffer[IPR_MAX_RES_PATH_LENGTH];
1185 };
1186
1187 /* IPR smart dump table structures */
1188 struct ipr_sdt_entry {
1189 __be32 start_token;
1190 __be32 end_token;
1191 u8 reserved[4];
1192
1193 u8 flags;
1194 #define IPR_SDT_ENDIAN 0x80
1195 #define IPR_SDT_VALID_ENTRY 0x20
1196
1197 u8 resv;
1198 __be16 priority;
1199 }__attribute__((packed, aligned (4)));
1200
1201 struct ipr_sdt_header {
1202 __be32 state;
1203 __be32 num_entries;
1204 __be32 num_entries_used;
1205 __be32 dump_size;
1206 }__attribute__((packed, aligned (4)));
1207
1208 struct ipr_sdt {
1209 struct ipr_sdt_header hdr;
1210 struct ipr_sdt_entry entry[IPR_FMT3_NUM_SDT_ENTRIES];
1211 }__attribute__((packed, aligned (4)));
1212
1213 struct ipr_uc_sdt {
1214 struct ipr_sdt_header hdr;
1215 struct ipr_sdt_entry entry[1];
1216 }__attribute__((packed, aligned (4)));
1217
1218 /*
1219 * Driver types
1220 */
1221 struct ipr_bus_attributes {
1222 u8 bus;
1223 u8 qas_enabled;
1224 u8 bus_width;
1225 u8 reserved;
1226 u32 max_xfer_rate;
1227 };
1228
1229 struct ipr_resource_entry {
1230 u8 needs_sync_complete:1;
1231 u8 in_erp:1;
1232 u8 add_to_ml:1;
1233 u8 del_from_ml:1;
1234 u8 resetting_device:1;
1235 u8 reset_occurred:1;
1236 u8 raw_mode:1;
1237
1238 u32 bus; /* AKA channel */
1239 u32 target; /* AKA id */
1240 u32 lun;
1241 #define IPR_ARRAY_VIRTUAL_BUS 0x1
1242 #define IPR_VSET_VIRTUAL_BUS 0x2
1243 #define IPR_IOAFP_VIRTUAL_BUS 0x3
1244 #define IPR_MAX_SIS64_BUSES 0x4
1245
1246 #define IPR_GET_RES_PHYS_LOC(res) \
1247 (((res)->bus << 24) | ((res)->target << 8) | (res)->lun)
1248
1249 u8 ata_class;
1250 u8 type;
1251
1252 u16 flags;
1253 u16 res_flags;
1254
1255 u8 qmodel;
1256 struct ipr_std_inq_data std_inq_data;
1257
1258 __be32 res_handle;
1259 __be64 dev_id;
1260 u64 lun_wwn;
1261 struct scsi_lun dev_lun;
1262 u8 res_path[8];
1263
1264 struct ipr_ioa_cfg *ioa_cfg;
1265 struct scsi_device *sdev;
1266 struct list_head queue;
1267 }; /* struct ipr_resource_entry */
1268
1269 struct ipr_resource_hdr {
1270 u16 num_entries;
1271 u16 reserved;
1272 };
1273
1274 struct ipr_misc_cbs {
1275 struct ipr_ioa_vpd ioa_vpd;
1276 struct ipr_inquiry_page0 page0_data;
1277 struct ipr_inquiry_page3 page3_data;
1278 struct ipr_inquiry_cap cap;
1279 struct ipr_inquiry_pageC4 pageC4_data;
1280 struct ipr_mode_pages mode_pages;
1281 struct ipr_supported_device supp_dev;
1282 };
1283
1284 struct ipr_interrupt_offsets {
1285 unsigned long set_interrupt_mask_reg;
1286 unsigned long clr_interrupt_mask_reg;
1287 unsigned long clr_interrupt_mask_reg32;
1288 unsigned long sense_interrupt_mask_reg;
1289 unsigned long sense_interrupt_mask_reg32;
1290 unsigned long clr_interrupt_reg;
1291 unsigned long clr_interrupt_reg32;
1292
1293 unsigned long sense_interrupt_reg;
1294 unsigned long sense_interrupt_reg32;
1295 unsigned long ioarrin_reg;
1296 unsigned long sense_uproc_interrupt_reg;
1297 unsigned long sense_uproc_interrupt_reg32;
1298 unsigned long set_uproc_interrupt_reg;
1299 unsigned long set_uproc_interrupt_reg32;
1300 unsigned long clr_uproc_interrupt_reg;
1301 unsigned long clr_uproc_interrupt_reg32;
1302
1303 unsigned long init_feedback_reg;
1304
1305 unsigned long dump_addr_reg;
1306 unsigned long dump_data_reg;
1307
1308 #define IPR_ENDIAN_SWAP_KEY 0x00080800
1309 unsigned long endian_swap_reg;
1310 };
1311
1312 struct ipr_interrupts {
1313 void __iomem *set_interrupt_mask_reg;
1314 void __iomem *clr_interrupt_mask_reg;
1315 void __iomem *clr_interrupt_mask_reg32;
1316 void __iomem *sense_interrupt_mask_reg;
1317 void __iomem *sense_interrupt_mask_reg32;
1318 void __iomem *clr_interrupt_reg;
1319 void __iomem *clr_interrupt_reg32;
1320
1321 void __iomem *sense_interrupt_reg;
1322 void __iomem *sense_interrupt_reg32;
1323 void __iomem *ioarrin_reg;
1324 void __iomem *sense_uproc_interrupt_reg;
1325 void __iomem *sense_uproc_interrupt_reg32;
1326 void __iomem *set_uproc_interrupt_reg;
1327 void __iomem *set_uproc_interrupt_reg32;
1328 void __iomem *clr_uproc_interrupt_reg;
1329 void __iomem *clr_uproc_interrupt_reg32;
1330
1331 void __iomem *init_feedback_reg;
1332
1333 void __iomem *dump_addr_reg;
1334 void __iomem *dump_data_reg;
1335
1336 void __iomem *endian_swap_reg;
1337 };
1338
1339 struct ipr_chip_cfg_t {
1340 u32 mailbox;
1341 u16 max_cmds;
1342 u8 cache_line_size;
1343 u8 clear_isr;
1344 u32 iopoll_weight;
1345 struct ipr_interrupt_offsets regs;
1346 };
1347
1348 struct ipr_chip_t {
1349 u16 vendor;
1350 u16 device;
1351 bool has_msi;
1352 u16 sis_type;
1353 #define IPR_SIS32 0x00
1354 #define IPR_SIS64 0x01
1355 u16 bist_method;
1356 #define IPR_PCI_CFG 0x00
1357 #define IPR_MMIO 0x01
1358 const struct ipr_chip_cfg_t *cfg;
1359 };
1360
1361 enum ipr_shutdown_type {
1362 IPR_SHUTDOWN_NORMAL = 0x00,
1363 IPR_SHUTDOWN_PREPARE_FOR_NORMAL = 0x40,
1364 IPR_SHUTDOWN_ABBREV = 0x80,
1365 IPR_SHUTDOWN_NONE = 0x100,
1366 IPR_SHUTDOWN_QUIESCE = 0x101,
1367 };
1368
1369 struct ipr_trace_entry {
1370 u32 time;
1371
1372 u8 op_code;
1373 u8 ata_op_code;
1374 u8 type;
1375 #define IPR_TRACE_START 0x00
1376 #define IPR_TRACE_FINISH 0xff
1377 u8 cmd_index;
1378
1379 __be32 res_handle;
1380 union {
1381 u32 ioasc;
1382 u32 add_data;
1383 u32 res_addr;
1384 } u;
1385 };
1386
1387 struct ipr_sglist {
1388 u32 order;
1389 u32 num_sg;
1390 u32 num_dma_sg;
1391 u32 buffer_len;
1392 struct scatterlist *scatterlist;
1393 };
1394
1395 enum ipr_sdt_state {
1396 INACTIVE,
1397 WAIT_FOR_DUMP,
1398 GET_DUMP,
1399 READ_DUMP,
1400 ABORT_DUMP,
1401 DUMP_OBTAINED
1402 };
1403
1404 /* Per-controller data */
1405 struct ipr_ioa_cfg {
1406 char eye_catcher[8];
1407 #define IPR_EYECATCHER "iprcfg"
1408
1409 struct list_head queue;
1410
1411 u8 in_reset_reload:1;
1412 u8 in_ioa_bringdown:1;
1413 u8 ioa_unit_checked:1;
1414 u8 dump_taken:1;
1415 u8 scan_enabled:1;
1416 u8 scan_done:1;
1417 u8 needs_hard_reset:1;
1418 u8 dual_raid:1;
1419 u8 needs_warm_reset:1;
1420 u8 msi_received:1;
1421 u8 sis64:1;
1422 u8 dump_timeout:1;
1423 u8 cfg_locked:1;
1424 u8 clear_isr:1;
1425 u8 probe_done:1;
1426 u8 scsi_unblock:1;
1427 u8 scsi_blocked:1;
1428
1429 u8 revid;
1430
1431 /*
1432 * Bitmaps for SIS64 generated target values
1433 */
1434 unsigned long target_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1435 unsigned long array_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1436 unsigned long vset_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1437
1438 u16 type; /* CCIN of the card */
1439
1440 u8 log_level;
1441 #define IPR_MAX_LOG_LEVEL 4
1442 #define IPR_DEFAULT_LOG_LEVEL 2
1443 #define IPR_DEBUG_LOG_LEVEL 3
1444
1445 #define IPR_NUM_TRACE_INDEX_BITS 8
1446 #define IPR_NUM_TRACE_ENTRIES (1 << IPR_NUM_TRACE_INDEX_BITS)
1447 #define IPR_TRACE_INDEX_MASK (IPR_NUM_TRACE_ENTRIES - 1)
1448 #define IPR_TRACE_SIZE (sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES)
1449 char trace_start[8];
1450 #define IPR_TRACE_START_LABEL "trace"
1451 struct ipr_trace_entry *trace;
1452 atomic_t trace_index;
1453
1454 char cfg_table_start[8];
1455 #define IPR_CFG_TBL_START "cfg"
1456 union {
1457 struct ipr_config_table *cfg_table;
1458 struct ipr_config_table64 *cfg_table64;
1459 } u;
1460 dma_addr_t cfg_table_dma;
1461 u32 cfg_table_size;
1462 u32 max_devs_supported;
1463
1464 char resource_table_label[8];
1465 #define IPR_RES_TABLE_LABEL "res_tbl"
1466 struct ipr_resource_entry *res_entries;
1467 struct list_head free_res_q;
1468 struct list_head used_res_q;
1469
1470 char ipr_hcam_label[8];
1471 #define IPR_HCAM_LABEL "hcams"
1472 struct ipr_hostrcb *hostrcb[IPR_MAX_HCAMS];
1473 dma_addr_t hostrcb_dma[IPR_MAX_HCAMS];
1474 struct list_head hostrcb_free_q;
1475 struct list_head hostrcb_pending_q;
1476 struct list_head hostrcb_report_q;
1477
1478 struct ipr_hrr_queue hrrq[IPR_MAX_HRRQ_NUM];
1479 u32 hrrq_num;
1480 atomic_t hrrq_index;
1481 u16 identify_hrrq_index;
1482
1483 struct ipr_bus_attributes bus_attr[IPR_MAX_NUM_BUSES];
1484
1485 unsigned int transop_timeout;
1486 const struct ipr_chip_cfg_t *chip_cfg;
1487 const struct ipr_chip_t *ipr_chip;
1488
1489 void __iomem *hdw_dma_regs; /* iomapped PCI memory space */
1490 unsigned long hdw_dma_regs_pci; /* raw PCI memory space */
1491 void __iomem *ioa_mailbox;
1492 struct ipr_interrupts regs;
1493
1494 u16 saved_pcix_cmd_reg;
1495 u16 reset_retries;
1496
1497 u32 errors_logged;
1498 u32 doorbell;
1499
1500 struct Scsi_Host *host;
1501 struct pci_dev *pdev;
1502 struct ipr_sglist *ucode_sglist;
1503 u8 saved_mode_page_len;
1504
1505 struct work_struct work_q;
1506 struct work_struct scsi_add_work_q;
1507 struct workqueue_struct *reset_work_q;
1508
1509 wait_queue_head_t reset_wait_q;
1510 wait_queue_head_t msi_wait_q;
1511 wait_queue_head_t eeh_wait_q;
1512
1513 struct ipr_dump *dump;
1514 enum ipr_sdt_state sdt_state;
1515
1516 struct ipr_misc_cbs *vpd_cbs;
1517 dma_addr_t vpd_cbs_dma;
1518
1519 struct dma_pool *ipr_cmd_pool;
1520
1521 struct ipr_cmnd *reset_cmd;
1522 int (*reset) (struct ipr_cmnd *);
1523
1524 char ipr_cmd_label[8];
1525 #define IPR_CMD_LABEL "ipr_cmd"
1526 u32 max_cmds;
1527 struct ipr_cmnd **ipr_cmnd_list;
1528 dma_addr_t *ipr_cmnd_list_dma;
1529
1530 unsigned int nvectors;
1531
1532 struct {
1533 char desc[22];
1534 } vectors_info[IPR_MAX_MSIX_VECTORS];
1535
1536 u32 iopoll_weight;
1537
1538 }; /* struct ipr_ioa_cfg */
1539
1540 struct ipr_cmnd {
1541 struct ipr_ioarcb ioarcb;
1542 union {
1543 struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
1544 struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
1545 } i;
1546 union {
1547 struct ipr_ioasa ioasa;
1548 struct ipr_ioasa64 ioasa64;
1549 } s;
1550 struct list_head queue;
1551 struct scsi_cmnd *scsi_cmd;
1552 struct completion completion;
1553 struct timer_list timer;
1554 struct work_struct work;
1555 void (*fast_done) (struct ipr_cmnd *);
1556 void (*done) (struct ipr_cmnd *);
1557 int (*job_step) (struct ipr_cmnd *);
1558 int (*job_step_failed) (struct ipr_cmnd *);
1559 u16 cmd_index;
1560 u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
1561 dma_addr_t sense_buffer_dma;
1562 unsigned short dma_use_sg;
1563 dma_addr_t dma_addr;
1564 struct ipr_cmnd *sibling;
1565 union {
1566 enum ipr_shutdown_type shutdown_type;
1567 struct ipr_hostrcb *hostrcb;
1568 unsigned long time_left;
1569 unsigned long scratch;
1570 struct ipr_resource_entry *res;
1571 struct scsi_device *sdev;
1572 } u;
1573
1574 struct completion *eh_comp;
1575 struct ipr_hrr_queue *hrrq;
1576 struct ipr_ioa_cfg *ioa_cfg;
1577 };
1578
1579 struct ipr_ses_table_entry {
1580 char product_id[17];
1581 char compare_product_id_byte[17];
1582 u32 max_bus_speed_limit; /* MB/sec limit for this backplane */
1583 };
1584
1585 struct ipr_dump_header {
1586 u32 eye_catcher;
1587 #define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1588 u32 len;
1589 u32 num_entries;
1590 u32 first_entry_offset;
1591 u32 status;
1592 #define IPR_DUMP_STATUS_SUCCESS 0
1593 #define IPR_DUMP_STATUS_QUAL_SUCCESS 2
1594 #define IPR_DUMP_STATUS_FAILED 0xffffffff
1595 u32 os;
1596 #define IPR_DUMP_OS_LINUX 0x4C4E5558
1597 u32 driver_name;
1598 #define IPR_DUMP_DRIVER_NAME 0x49505232
1599 }__attribute__((packed, aligned (4)));
1600
1601 struct ipr_dump_entry_header {
1602 u32 eye_catcher;
1603 #define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1604 u32 len;
1605 u32 num_elems;
1606 u32 offset;
1607 u32 data_type;
1608 #define IPR_DUMP_DATA_TYPE_ASCII 0x41534349
1609 #define IPR_DUMP_DATA_TYPE_BINARY 0x42494E41
1610 u32 id;
1611 #define IPR_DUMP_IOA_DUMP_ID 0x494F4131
1612 #define IPR_DUMP_LOCATION_ID 0x4C4F4341
1613 #define IPR_DUMP_TRACE_ID 0x54524143
1614 #define IPR_DUMP_DRIVER_VERSION_ID 0x44525652
1615 #define IPR_DUMP_DRIVER_TYPE_ID 0x54595045
1616 #define IPR_DUMP_IOA_CTRL_BLK 0x494F4342
1617 #define IPR_DUMP_PEND_OPS 0x414F5053
1618 u32 status;
1619 }__attribute__((packed, aligned (4)));
1620
1621 struct ipr_dump_location_entry {
1622 struct ipr_dump_entry_header hdr;
1623 u8 location[20];
1624 }__attribute__((packed, aligned (4)));
1625
1626 struct ipr_dump_trace_entry {
1627 struct ipr_dump_entry_header hdr;
1628 u32 trace[IPR_TRACE_SIZE / sizeof(u32)];
1629 }__attribute__((packed, aligned (4)));
1630
1631 struct ipr_dump_version_entry {
1632 struct ipr_dump_entry_header hdr;
1633 u8 version[sizeof(IPR_DRIVER_VERSION)];
1634 };
1635
1636 struct ipr_dump_ioa_type_entry {
1637 struct ipr_dump_entry_header hdr;
1638 u32 type;
1639 u32 fw_version;
1640 };
1641
1642 struct ipr_driver_dump {
1643 struct ipr_dump_header hdr;
1644 struct ipr_dump_version_entry version_entry;
1645 struct ipr_dump_location_entry location_entry;
1646 struct ipr_dump_ioa_type_entry ioa_type_entry;
1647 struct ipr_dump_trace_entry trace_entry;
1648 }__attribute__((packed, aligned (4)));
1649
1650 struct ipr_ioa_dump {
1651 struct ipr_dump_entry_header hdr;
1652 struct ipr_sdt sdt;
1653 __be32 **ioa_data;
1654 u32 reserved;
1655 u32 next_page_index;
1656 u32 page_offset;
1657 u32 format;
1658 }__attribute__((packed, aligned (4)));
1659
1660 struct ipr_dump {
1661 struct kref kref;
1662 struct ipr_ioa_cfg *ioa_cfg;
1663 struct ipr_driver_dump driver_dump;
1664 struct ipr_ioa_dump ioa_dump;
1665 };
1666
1667 struct ipr_error_table_t {
1668 u32 ioasc;
1669 int log_ioasa;
1670 int log_hcam;
1671 char *error;
1672 };
1673
1674 struct ipr_software_inq_lid_info {
1675 __be32 load_id;
1676 __be32 timestamp[3];
1677 }__attribute__((packed, aligned (4)));
1678
1679 struct ipr_ucode_image_header {
1680 __be32 header_length;
1681 __be32 lid_table_offset;
1682 u8 major_release;
1683 u8 card_type;
1684 u8 minor_release[2];
1685 u8 reserved[20];
1686 char eyecatcher[16];
1687 __be32 num_lids;
1688 struct ipr_software_inq_lid_info lid[1];
1689 }__attribute__((packed, aligned (4)));
1690
1691 /*
1692 * Macros
1693 */
1694 #define IPR_DBG_CMD(CMD) if (ipr_debug) { CMD; }
1695
1696 #ifdef CONFIG_SCSI_IPR_TRACE
1697 #define ipr_create_trace_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1698 #define ipr_remove_trace_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1699 #else
1700 #define ipr_create_trace_file(kobj, attr) 0
1701 #define ipr_remove_trace_file(kobj, attr) do { } while(0)
1702 #endif
1703
1704 #ifdef CONFIG_SCSI_IPR_DUMP
1705 #define ipr_create_dump_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1706 #define ipr_remove_dump_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1707 #else
1708 #define ipr_create_dump_file(kobj, attr) 0
1709 #define ipr_remove_dump_file(kobj, attr) do { } while(0)
1710 #endif
1711
1712 /*
1713 * Error logging macros
1714 */
1715 #define ipr_err(...) printk(KERN_ERR IPR_NAME ": "__VA_ARGS__)
1716 #define ipr_info(...) printk(KERN_INFO IPR_NAME ": "__VA_ARGS__)
1717 #define ipr_dbg(...) IPR_DBG_CMD(printk(KERN_INFO IPR_NAME ": "__VA_ARGS__))
1718
1719 #define ipr_res_printk(level, ioa_cfg, bus, target, lun, fmt, ...) \
1720 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1721 bus, target, lun, ##__VA_ARGS__)
1722
1723 #define ipr_res_err(ioa_cfg, res, fmt, ...) \
1724 ipr_res_printk(KERN_ERR, ioa_cfg, (res)->bus, (res)->target, (res)->lun, fmt, ##__VA_ARGS__)
1725
1726 #define ipr_ra_printk(level, ioa_cfg, ra, fmt, ...) \
1727 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1728 (ra).bus, (ra).target, (ra).lun, ##__VA_ARGS__)
1729
1730 #define ipr_ra_err(ioa_cfg, ra, fmt, ...) \
1731 ipr_ra_printk(KERN_ERR, ioa_cfg, ra, fmt, ##__VA_ARGS__)
1732
1733 #define ipr_phys_res_err(ioa_cfg, res, fmt, ...) \
1734 { \
1735 if ((res).bus >= IPR_MAX_NUM_BUSES) { \
1736 ipr_err(fmt": unknown\n", ##__VA_ARGS__); \
1737 } else { \
1738 ipr_err(fmt": %d:%d:%d:%d\n", \
1739 ##__VA_ARGS__, (ioa_cfg)->host->host_no, \
1740 (res).bus, (res).target, (res).lun); \
1741 } \
1742 }
1743
1744 #define ipr_hcam_err(hostrcb, fmt, ...) \
1745 { \
1746 if (ipr_is_device(hostrcb)) { \
1747 if ((hostrcb)->ioa_cfg->sis64) { \
1748 printk(KERN_ERR IPR_NAME ": %s: " fmt, \
1749 ipr_format_res_path(hostrcb->ioa_cfg, \
1750 hostrcb->hcam.u.error64.fd_res_path, \
1751 hostrcb->rp_buffer, \
1752 sizeof(hostrcb->rp_buffer)), \
1753 __VA_ARGS__); \
1754 } else { \
1755 ipr_ra_err((hostrcb)->ioa_cfg, \
1756 (hostrcb)->hcam.u.error.fd_res_addr, \
1757 fmt, __VA_ARGS__); \
1758 } \
1759 } else { \
1760 dev_err(&(hostrcb)->ioa_cfg->pdev->dev, fmt, __VA_ARGS__); \
1761 } \
1762 }
1763
1764 #define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
1765 __FILE__, __func__, __LINE__)
1766
1767 #define ENTER IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Entering %s\n", __func__))
1768 #define LEAVE IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Leaving %s\n", __func__))
1769
1770 #define ipr_err_separator \
1771 ipr_err("----------------------------------------------------------\n")
1772
1773
1774 /*
1775 * Inlines
1776 */
1777
1778 /**
1779 * ipr_is_ioa_resource - Determine if a resource is the IOA
1780 * @res: resource entry struct
1781 *
1782 * Return value:
1783 * 1 if IOA / 0 if not IOA
1784 **/
ipr_is_ioa_resource(struct ipr_resource_entry * res)1785 static inline int ipr_is_ioa_resource(struct ipr_resource_entry *res)
1786 {
1787 return res->type == IPR_RES_TYPE_IOAFP;
1788 }
1789
1790 /**
1791 * ipr_is_af_dasd_device - Determine if a resource is an AF DASD
1792 * @res: resource entry struct
1793 *
1794 * Return value:
1795 * 1 if AF DASD / 0 if not AF DASD
1796 **/
ipr_is_af_dasd_device(struct ipr_resource_entry * res)1797 static inline int ipr_is_af_dasd_device(struct ipr_resource_entry *res)
1798 {
1799 return res->type == IPR_RES_TYPE_AF_DASD ||
1800 res->type == IPR_RES_TYPE_REMOTE_AF_DASD;
1801 }
1802
1803 /**
1804 * ipr_is_vset_device - Determine if a resource is a VSET
1805 * @res: resource entry struct
1806 *
1807 * Return value:
1808 * 1 if VSET / 0 if not VSET
1809 **/
ipr_is_vset_device(struct ipr_resource_entry * res)1810 static inline int ipr_is_vset_device(struct ipr_resource_entry *res)
1811 {
1812 return res->type == IPR_RES_TYPE_VOLUME_SET;
1813 }
1814
1815 /**
1816 * ipr_is_gscsi - Determine if a resource is a generic scsi resource
1817 * @res: resource entry struct
1818 *
1819 * Return value:
1820 * 1 if GSCSI / 0 if not GSCSI
1821 **/
ipr_is_gscsi(struct ipr_resource_entry * res)1822 static inline int ipr_is_gscsi(struct ipr_resource_entry *res)
1823 {
1824 return res->type == IPR_RES_TYPE_GENERIC_SCSI;
1825 }
1826
1827 /**
1828 * ipr_is_scsi_disk - Determine if a resource is a SCSI disk
1829 * @res: resource entry struct
1830 *
1831 * Return value:
1832 * 1 if SCSI disk / 0 if not SCSI disk
1833 **/
ipr_is_scsi_disk(struct ipr_resource_entry * res)1834 static inline int ipr_is_scsi_disk(struct ipr_resource_entry *res)
1835 {
1836 if (ipr_is_af_dasd_device(res) ||
1837 (ipr_is_gscsi(res) && IPR_IS_DASD_DEVICE(res->std_inq_data)))
1838 return 1;
1839 else
1840 return 0;
1841 }
1842
1843 /**
1844 * ipr_is_gata - Determine if a resource is a generic ATA resource
1845 * @res: resource entry struct
1846 *
1847 * Return value:
1848 * 1 if GATA / 0 if not GATA
1849 **/
ipr_is_gata(struct ipr_resource_entry * res)1850 static inline int ipr_is_gata(struct ipr_resource_entry *res)
1851 {
1852 return res->type == IPR_RES_TYPE_GENERIC_ATA;
1853 }
1854
1855 /**
1856 * ipr_is_naca_model - Determine if a resource is using NACA queueing model
1857 * @res: resource entry struct
1858 *
1859 * Return value:
1860 * 1 if NACA queueing model / 0 if not NACA queueing model
1861 **/
ipr_is_naca_model(struct ipr_resource_entry * res)1862 static inline int ipr_is_naca_model(struct ipr_resource_entry *res)
1863 {
1864 if (ipr_is_gscsi(res) && res->qmodel == IPR_QUEUE_NACA_MODEL)
1865 return 1;
1866 return 0;
1867 }
1868
1869 /**
1870 * ipr_is_device - Determine if the hostrcb structure is related to a device
1871 * @hostrcb: host resource control blocks struct
1872 *
1873 * Return value:
1874 * 1 if AF / 0 if not AF
1875 **/
ipr_is_device(struct ipr_hostrcb * hostrcb)1876 static inline int ipr_is_device(struct ipr_hostrcb *hostrcb)
1877 {
1878 struct ipr_res_addr *res_addr;
1879 u8 *res_path;
1880
1881 if (hostrcb->ioa_cfg->sis64) {
1882 res_path = &hostrcb->hcam.u.error64.fd_res_path[0];
1883 if ((res_path[0] == 0x00 || res_path[0] == 0x80 ||
1884 res_path[0] == 0x81) && res_path[2] != 0xFF)
1885 return 1;
1886 } else {
1887 res_addr = &hostrcb->hcam.u.error.fd_res_addr;
1888
1889 if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
1890 (res_addr->target < (IPR_MAX_NUM_TARGETS_PER_BUS - 1)))
1891 return 1;
1892 }
1893 return 0;
1894 }
1895
1896 /**
1897 * ipr_sdt_is_fmt2 - Determine if a SDT address is in format 2
1898 * @sdt_word: SDT address
1899 *
1900 * Return value:
1901 * 1 if format 2 / 0 if not
1902 **/
ipr_sdt_is_fmt2(u32 sdt_word)1903 static inline int ipr_sdt_is_fmt2(u32 sdt_word)
1904 {
1905 u32 bar_sel = IPR_GET_FMT2_BAR_SEL(sdt_word);
1906
1907 switch (bar_sel) {
1908 case IPR_SDT_FMT2_BAR0_SEL:
1909 case IPR_SDT_FMT2_BAR1_SEL:
1910 case IPR_SDT_FMT2_BAR2_SEL:
1911 case IPR_SDT_FMT2_BAR3_SEL:
1912 case IPR_SDT_FMT2_BAR4_SEL:
1913 case IPR_SDT_FMT2_BAR5_SEL:
1914 case IPR_SDT_FMT2_EXP_ROM_SEL:
1915 return 1;
1916 };
1917
1918 return 0;
1919 }
1920
1921 #ifndef writeq
writeq(u64 val,void __iomem * addr)1922 static inline void writeq(u64 val, void __iomem *addr)
1923 {
1924 writel(((u32) (val >> 32)), addr);
1925 writel(((u32) (val)), (addr + 4));
1926 }
1927 #endif
1928
1929 #endif /* _IPR_H */
1930
