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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[mirror_ubuntu-artful-kernel.git] / drivers / scsi / ipr.h
1 /*
2 * ipr.h -- driver for IBM Power Linux RAID adapters
3 *
4 * Written By: Brian King <brking@us.ibm.com>, IBM Corporation
5 *
6 * Copyright (C) 2003, 2004 IBM Corporation
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 * Alan Cox <alan@lxorguk.ukuu.org.uk> - Removed several careless u32/dma_addr_t errors
23 * that broke 64bit platforms.
24 */
25
26 #ifndef _IPR_H
27 #define _IPR_H
28
29 #include <asm/unaligned.h>
30 #include <linux/types.h>
31 #include <linux/completion.h>
32 #include <linux/libata.h>
33 #include <linux/list.h>
34 #include <linux/kref.h>
35 #include <linux/blk-iopoll.h>
36 #include <scsi/scsi.h>
37 #include <scsi/scsi_cmnd.h>
38
39 /*
40 * Literals
41 */
42 #define IPR_DRIVER_VERSION "2.6.1"
43 #define IPR_DRIVER_DATE "(March 12, 2015)"
44
45 /*
46 * IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding
47 * ops per device for devices not running tagged command queuing.
48 * This can be adjusted at runtime through sysfs device attributes.
49 */
50 #define IPR_MAX_CMD_PER_LUN 6
51 #define IPR_MAX_CMD_PER_ATA_LUN 1
52
53 /*
54 * IPR_NUM_BASE_CMD_BLKS: This defines the maximum number of
55 * ops the mid-layer can send to the adapter.
56 */
57 #define IPR_NUM_BASE_CMD_BLKS (ioa_cfg->max_cmds)
58
59 #define PCI_DEVICE_ID_IBM_OBSIDIAN_E 0x0339
60
61 #define PCI_DEVICE_ID_IBM_CROC_FPGA_E2 0x033D
62 #define PCI_DEVICE_ID_IBM_CROCODILE 0x034A
63
64 #define IPR_SUBS_DEV_ID_2780 0x0264
65 #define IPR_SUBS_DEV_ID_5702 0x0266
66 #define IPR_SUBS_DEV_ID_5703 0x0278
67 #define IPR_SUBS_DEV_ID_572E 0x028D
68 #define IPR_SUBS_DEV_ID_573E 0x02D3
69 #define IPR_SUBS_DEV_ID_573D 0x02D4
70 #define IPR_SUBS_DEV_ID_571A 0x02C0
71 #define IPR_SUBS_DEV_ID_571B 0x02BE
72 #define IPR_SUBS_DEV_ID_571E 0x02BF
73 #define IPR_SUBS_DEV_ID_571F 0x02D5
74 #define IPR_SUBS_DEV_ID_572A 0x02C1
75 #define IPR_SUBS_DEV_ID_572B 0x02C2
76 #define IPR_SUBS_DEV_ID_572F 0x02C3
77 #define IPR_SUBS_DEV_ID_574E 0x030A
78 #define IPR_SUBS_DEV_ID_575B 0x030D
79 #define IPR_SUBS_DEV_ID_575C 0x0338
80 #define IPR_SUBS_DEV_ID_57B3 0x033A
81 #define IPR_SUBS_DEV_ID_57B7 0x0360
82 #define IPR_SUBS_DEV_ID_57B8 0x02C2
83
84 #define IPR_SUBS_DEV_ID_57B4 0x033B
85 #define IPR_SUBS_DEV_ID_57B2 0x035F
86 #define IPR_SUBS_DEV_ID_57C0 0x0352
87 #define IPR_SUBS_DEV_ID_57C3 0x0353
88 #define IPR_SUBS_DEV_ID_57C4 0x0354
89 #define IPR_SUBS_DEV_ID_57C6 0x0357
90 #define IPR_SUBS_DEV_ID_57CC 0x035C
91
92 #define IPR_SUBS_DEV_ID_57B5 0x033C
93 #define IPR_SUBS_DEV_ID_57CE 0x035E
94 #define IPR_SUBS_DEV_ID_57B1 0x0355
95
96 #define IPR_SUBS_DEV_ID_574D 0x0356
97 #define IPR_SUBS_DEV_ID_57C8 0x035D
98
99 #define IPR_SUBS_DEV_ID_57D5 0x03FB
100 #define IPR_SUBS_DEV_ID_57D6 0x03FC
101 #define IPR_SUBS_DEV_ID_57D7 0x03FF
102 #define IPR_SUBS_DEV_ID_57D8 0x03FE
103 #define IPR_SUBS_DEV_ID_57D9 0x046D
104 #define IPR_SUBS_DEV_ID_57DA 0x04CA
105 #define IPR_SUBS_DEV_ID_57EB 0x0474
106 #define IPR_SUBS_DEV_ID_57EC 0x0475
107 #define IPR_SUBS_DEV_ID_57ED 0x0499
108 #define IPR_SUBS_DEV_ID_57EE 0x049A
109 #define IPR_SUBS_DEV_ID_57EF 0x049B
110 #define IPR_SUBS_DEV_ID_57F0 0x049C
111 #define IPR_SUBS_DEV_ID_2CCA 0x04C7
112 #define IPR_SUBS_DEV_ID_2CD2 0x04C8
113 #define IPR_SUBS_DEV_ID_2CCD 0x04C9
114 #define IPR_NAME "ipr"
115
116 /*
117 * Return codes
118 */
119 #define IPR_RC_JOB_CONTINUE 1
120 #define IPR_RC_JOB_RETURN 2
121
122 /*
123 * IOASCs
124 */
125 #define IPR_IOASC_NR_INIT_CMD_REQUIRED 0x02040200
126 #define IPR_IOASC_NR_IOA_RESET_REQUIRED 0x02048000
127 #define IPR_IOASC_SYNC_REQUIRED 0x023f0000
128 #define IPR_IOASC_MED_DO_NOT_REALLOC 0x03110C00
129 #define IPR_IOASC_HW_SEL_TIMEOUT 0x04050000
130 #define IPR_IOASC_HW_DEV_BUS_STATUS 0x04448500
131 #define IPR_IOASC_IOASC_MASK 0xFFFFFF00
132 #define IPR_IOASC_SCSI_STATUS_MASK 0x000000FF
133 #define IPR_IOASC_HW_CMD_FAILED 0x046E0000
134 #define IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT 0x05240000
135 #define IPR_IOASC_IR_RESOURCE_HANDLE 0x05250000
136 #define IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA 0x05258100
137 #define IPR_IOASA_IR_DUAL_IOA_DISABLED 0x052C8000
138 #define IPR_IOASC_BUS_WAS_RESET 0x06290000
139 #define IPR_IOASC_BUS_WAS_RESET_BY_OTHER 0x06298000
140 #define IPR_IOASC_ABORTED_CMD_TERM_BY_HOST 0x0B5A0000
141 #define IPR_IOASC_IR_NON_OPTIMIZED 0x05258200
142
143 #define IPR_FIRST_DRIVER_IOASC 0x10000000
144 #define IPR_IOASC_IOA_WAS_RESET 0x10000001
145 #define IPR_IOASC_PCI_ACCESS_ERROR 0x10000002
146
147 /* Driver data flags */
148 #define IPR_USE_LONG_TRANSOP_TIMEOUT 0x00000001
149 #define IPR_USE_PCI_WARM_RESET 0x00000002
150
151 #define IPR_DEFAULT_MAX_ERROR_DUMP 984
152 #define IPR_NUM_LOG_HCAMS 2
153 #define IPR_NUM_CFG_CHG_HCAMS 2
154 #define IPR_NUM_HCAMS (IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS)
155
156 #define IPR_MAX_SIS64_TARGETS_PER_BUS 1024
157 #define IPR_MAX_SIS64_LUNS_PER_TARGET 0xffffffff
158
159 #define IPR_MAX_NUM_TARGETS_PER_BUS 256
160 #define IPR_MAX_NUM_LUNS_PER_TARGET 256
161 #define IPR_VSET_BUS 0xff
162 #define IPR_IOA_BUS 0xff
163 #define IPR_IOA_TARGET 0xff
164 #define IPR_IOA_LUN 0xff
165 #define IPR_MAX_NUM_BUSES 16
166
167 #define IPR_NUM_RESET_RELOAD_RETRIES 3
168
169 /* We need resources for HCAMS, IOA reset, IOA bringdown, and ERP */
170 #define IPR_NUM_INTERNAL_CMD_BLKS (IPR_NUM_HCAMS + \
171 ((IPR_NUM_RESET_RELOAD_RETRIES + 1) * 2) + 4)
172
173 #define IPR_MAX_COMMANDS 100
174 #define IPR_NUM_CMD_BLKS (IPR_NUM_BASE_CMD_BLKS + \
175 IPR_NUM_INTERNAL_CMD_BLKS)
176
177 #define IPR_MAX_PHYSICAL_DEVS 192
178 #define IPR_DEFAULT_SIS64_DEVS 1024
179 #define IPR_MAX_SIS64_DEVS 4096
180
181 #define IPR_MAX_SGLIST 64
182 #define IPR_IOA_MAX_SECTORS 32767
183 #define IPR_VSET_MAX_SECTORS 512
184 #define IPR_MAX_CDB_LEN 16
185 #define IPR_MAX_HRRQ_RETRIES 3
186
187 #define IPR_DEFAULT_BUS_WIDTH 16
188 #define IPR_80MBs_SCSI_RATE ((80 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
189 #define IPR_U160_SCSI_RATE ((160 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
190 #define IPR_U320_SCSI_RATE ((320 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
191 #define IPR_MAX_SCSI_RATE(width) ((320 * 10) / ((width) / 8))
192
193 #define IPR_IOA_RES_HANDLE 0xffffffff
194 #define IPR_INVALID_RES_HANDLE 0
195 #define IPR_IOA_RES_ADDR 0x00ffffff
196
197 /*
198 * Adapter Commands
199 */
200 #define IPR_CANCEL_REQUEST 0xC0
201 #define IPR_CANCEL_64BIT_IOARCB 0x01
202 #define IPR_QUERY_RSRC_STATE 0xC2
203 #define IPR_RESET_DEVICE 0xC3
204 #define IPR_RESET_TYPE_SELECT 0x80
205 #define IPR_LUN_RESET 0x40
206 #define IPR_TARGET_RESET 0x20
207 #define IPR_BUS_RESET 0x10
208 #define IPR_ATA_PHY_RESET 0x80
209 #define IPR_ID_HOST_RR_Q 0xC4
210 #define IPR_QUERY_IOA_CONFIG 0xC5
211 #define IPR_CANCEL_ALL_REQUESTS 0xCE
212 #define IPR_HOST_CONTROLLED_ASYNC 0xCF
213 #define IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE 0x01
214 #define IPR_HCAM_CDB_OP_CODE_LOG_DATA 0x02
215 #define IPR_SET_SUPPORTED_DEVICES 0xFB
216 #define IPR_SET_ALL_SUPPORTED_DEVICES 0x80
217 #define IPR_IOA_SHUTDOWN 0xF7
218 #define IPR_WR_BUF_DOWNLOAD_AND_SAVE 0x05
219
220 /*
221 * Timeouts
222 */
223 #define IPR_SHUTDOWN_TIMEOUT (ipr_fastfail ? 60 * HZ : 10 * 60 * HZ)
224 #define IPR_VSET_RW_TIMEOUT (ipr_fastfail ? 30 * HZ : 2 * 60 * HZ)
225 #define IPR_ABBREV_SHUTDOWN_TIMEOUT (10 * HZ)
226 #define IPR_DUAL_IOA_ABBR_SHUTDOWN_TO (2 * 60 * HZ)
227 #define IPR_DEVICE_RESET_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
228 #define IPR_CANCEL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
229 #define IPR_CANCEL_ALL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
230 #define IPR_ABORT_TASK_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
231 #define IPR_INTERNAL_TIMEOUT (ipr_fastfail ? 10 * HZ : 30 * HZ)
232 #define IPR_WRITE_BUFFER_TIMEOUT (30 * 60 * HZ)
233 #define IPR_SET_SUP_DEVICE_TIMEOUT (2 * 60 * HZ)
234 #define IPR_REQUEST_SENSE_TIMEOUT (10 * HZ)
235 #define IPR_OPERATIONAL_TIMEOUT (5 * 60)
236 #define IPR_LONG_OPERATIONAL_TIMEOUT (12 * 60)
237 #define IPR_WAIT_FOR_RESET_TIMEOUT (2 * HZ)
238 #define IPR_CHECK_FOR_RESET_TIMEOUT (HZ / 10)
239 #define IPR_WAIT_FOR_BIST_TIMEOUT (2 * HZ)
240 #define IPR_PCI_ERROR_RECOVERY_TIMEOUT (120 * HZ)
241 #define IPR_PCI_RESET_TIMEOUT (HZ / 2)
242 #define IPR_SIS32_DUMP_TIMEOUT (15 * HZ)
243 #define IPR_SIS64_DUMP_TIMEOUT (40 * HZ)
244 #define IPR_DUMP_DELAY_SECONDS 4
245 #define IPR_DUMP_DELAY_TIMEOUT (IPR_DUMP_DELAY_SECONDS * HZ)
246
247 /*
248 * SCSI Literals
249 */
250 #define IPR_VENDOR_ID_LEN 8
251 #define IPR_PROD_ID_LEN 16
252 #define IPR_SERIAL_NUM_LEN 8
253
254 /*
255 * Hardware literals
256 */
257 #define IPR_FMT2_MBX_ADDR_MASK 0x0fffffff
258 #define IPR_FMT2_MBX_BAR_SEL_MASK 0xf0000000
259 #define IPR_FMT2_MKR_BAR_SEL_SHIFT 28
260 #define IPR_GET_FMT2_BAR_SEL(mbx) \
261 (((mbx) & IPR_FMT2_MBX_BAR_SEL_MASK) >> IPR_FMT2_MKR_BAR_SEL_SHIFT)
262 #define IPR_SDT_FMT2_BAR0_SEL 0x0
263 #define IPR_SDT_FMT2_BAR1_SEL 0x1
264 #define IPR_SDT_FMT2_BAR2_SEL 0x2
265 #define IPR_SDT_FMT2_BAR3_SEL 0x3
266 #define IPR_SDT_FMT2_BAR4_SEL 0x4
267 #define IPR_SDT_FMT2_BAR5_SEL 0x5
268 #define IPR_SDT_FMT2_EXP_ROM_SEL 0x8
269 #define IPR_FMT2_SDT_READY_TO_USE 0xC4D4E3F2
270 #define IPR_FMT3_SDT_READY_TO_USE 0xC4D4E3F3
271 #define IPR_DOORBELL 0x82800000
272 #define IPR_RUNTIME_RESET 0x40000000
273
274 #define IPR_IPL_INIT_MIN_STAGE_TIME 5
275 #define IPR_IPL_INIT_DEFAULT_STAGE_TIME 30
276 #define IPR_IPL_INIT_STAGE_UNKNOWN 0x0
277 #define IPR_IPL_INIT_STAGE_TRANSOP 0xB0000000
278 #define IPR_IPL_INIT_STAGE_MASK 0xff000000
279 #define IPR_IPL_INIT_STAGE_TIME_MASK 0x0000ffff
280 #define IPR_PCII_IPL_STAGE_CHANGE (0x80000000 >> 0)
281
282 #define IPR_PCII_IOA_TRANS_TO_OPER (0x80000000 >> 0)
283 #define IPR_PCII_IOARCB_XFER_FAILED (0x80000000 >> 3)
284 #define IPR_PCII_IOA_UNIT_CHECKED (0x80000000 >> 4)
285 #define IPR_PCII_NO_HOST_RRQ (0x80000000 >> 5)
286 #define IPR_PCII_CRITICAL_OPERATION (0x80000000 >> 6)
287 #define IPR_PCII_IO_DEBUG_ACKNOWLEDGE (0x80000000 >> 7)
288 #define IPR_PCII_IOARRIN_LOST (0x80000000 >> 27)
289 #define IPR_PCII_MMIO_ERROR (0x80000000 >> 28)
290 #define IPR_PCII_PROC_ERR_STATE (0x80000000 >> 29)
291 #define IPR_PCII_HRRQ_UPDATED (0x80000000 >> 30)
292 #define IPR_PCII_CORE_ISSUED_RST_REQ (0x80000000 >> 31)
293
294 #define IPR_PCII_ERROR_INTERRUPTS \
295 (IPR_PCII_IOARCB_XFER_FAILED | IPR_PCII_IOA_UNIT_CHECKED | \
296 IPR_PCII_NO_HOST_RRQ | IPR_PCII_IOARRIN_LOST | IPR_PCII_MMIO_ERROR)
297
298 #define IPR_PCII_OPER_INTERRUPTS \
299 (IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED | IPR_PCII_IOA_TRANS_TO_OPER)
300
301 #define IPR_UPROCI_RESET_ALERT (0x80000000 >> 7)
302 #define IPR_UPROCI_IO_DEBUG_ALERT (0x80000000 >> 9)
303 #define IPR_UPROCI_SIS64_START_BIST (0x80000000 >> 23)
304
305 #define IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC 200000 /* 200 ms */
306 #define IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC 200000 /* 200 ms */
307
308 /*
309 * Dump literals
310 */
311 #define IPR_FMT2_MAX_IOA_DUMP_SIZE (4 * 1024 * 1024)
312 #define IPR_FMT3_MAX_IOA_DUMP_SIZE (80 * 1024 * 1024)
313 #define IPR_FMT2_NUM_SDT_ENTRIES 511
314 #define IPR_FMT3_NUM_SDT_ENTRIES 0xFFF
315 #define IPR_FMT2_MAX_NUM_DUMP_PAGES ((IPR_FMT2_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
316 #define IPR_FMT3_MAX_NUM_DUMP_PAGES ((IPR_FMT3_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
317
318 /*
319 * Misc literals
320 */
321 #define IPR_NUM_IOADL_ENTRIES IPR_MAX_SGLIST
322 #define IPR_MAX_MSIX_VECTORS 0x10
323 #define IPR_MAX_HRRQ_NUM 0x10
324 #define IPR_INIT_HRRQ 0x0
325
326 /*
327 * Adapter interface types
328 */
329
330 struct ipr_res_addr {
331 u8 reserved;
332 u8 bus;
333 u8 target;
334 u8 lun;
335 #define IPR_GET_PHYS_LOC(res_addr) \
336 (((res_addr).bus << 16) | ((res_addr).target << 8) | (res_addr).lun)
337 }__attribute__((packed, aligned (4)));
338
339 struct ipr_std_inq_vpids {
340 u8 vendor_id[IPR_VENDOR_ID_LEN];
341 u8 product_id[IPR_PROD_ID_LEN];
342 }__attribute__((packed));
343
344 struct ipr_vpd {
345 struct ipr_std_inq_vpids vpids;
346 u8 sn[IPR_SERIAL_NUM_LEN];
347 }__attribute__((packed));
348
349 struct ipr_ext_vpd {
350 struct ipr_vpd vpd;
351 __be32 wwid[2];
352 }__attribute__((packed));
353
354 struct ipr_ext_vpd64 {
355 struct ipr_vpd vpd;
356 __be32 wwid[4];
357 }__attribute__((packed));
358
359 struct ipr_std_inq_data {
360 u8 peri_qual_dev_type;
361 #define IPR_STD_INQ_PERI_QUAL(peri) ((peri) >> 5)
362 #define IPR_STD_INQ_PERI_DEV_TYPE(peri) ((peri) & 0x1F)
363
364 u8 removeable_medium_rsvd;
365 #define IPR_STD_INQ_REMOVEABLE_MEDIUM 0x80
366
367 #define IPR_IS_DASD_DEVICE(std_inq) \
368 ((IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_DISK) && \
369 !(((std_inq).removeable_medium_rsvd) & IPR_STD_INQ_REMOVEABLE_MEDIUM))
370
371 #define IPR_IS_SES_DEVICE(std_inq) \
372 (IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_ENCLOSURE)
373
374 u8 version;
375 u8 aen_naca_fmt;
376 u8 additional_len;
377 u8 sccs_rsvd;
378 u8 bq_enc_multi;
379 u8 sync_cmdq_flags;
380
381 struct ipr_std_inq_vpids vpids;
382
383 u8 ros_rsvd_ram_rsvd[4];
384
385 u8 serial_num[IPR_SERIAL_NUM_LEN];
386 }__attribute__ ((packed));
387
388 #define IPR_RES_TYPE_AF_DASD 0x00
389 #define IPR_RES_TYPE_GENERIC_SCSI 0x01
390 #define IPR_RES_TYPE_VOLUME_SET 0x02
391 #define IPR_RES_TYPE_REMOTE_AF_DASD 0x03
392 #define IPR_RES_TYPE_GENERIC_ATA 0x04
393 #define IPR_RES_TYPE_ARRAY 0x05
394 #define IPR_RES_TYPE_IOAFP 0xff
395
396 struct ipr_config_table_entry {
397 u8 proto;
398 #define IPR_PROTO_SATA 0x02
399 #define IPR_PROTO_SATA_ATAPI 0x03
400 #define IPR_PROTO_SAS_STP 0x06
401 #define IPR_PROTO_SAS_STP_ATAPI 0x07
402 u8 array_id;
403 u8 flags;
404 #define IPR_IS_IOA_RESOURCE 0x80
405 u8 rsvd_subtype;
406
407 #define IPR_QUEUEING_MODEL(res) ((((res)->flags) & 0x70) >> 4)
408 #define IPR_QUEUE_FROZEN_MODEL 0
409 #define IPR_QUEUE_NACA_MODEL 1
410
411 struct ipr_res_addr res_addr;
412 __be32 res_handle;
413 __be32 lun_wwn[2];
414 struct ipr_std_inq_data std_inq_data;
415 }__attribute__ ((packed, aligned (4)));
416
417 struct ipr_config_table_entry64 {
418 u8 res_type;
419 u8 proto;
420 u8 vset_num;
421 u8 array_id;
422 __be16 flags;
423 __be16 res_flags;
424 #define IPR_QUEUEING_MODEL64(res) ((((res)->res_flags) & 0x7000) >> 12)
425 __be32 res_handle;
426 u8 dev_id_type;
427 u8 reserved[3];
428 __be64 dev_id;
429 __be64 lun;
430 __be64 lun_wwn[2];
431 #define IPR_MAX_RES_PATH_LENGTH 48
432 __be64 res_path;
433 struct ipr_std_inq_data std_inq_data;
434 u8 reserved2[4];
435 __be64 reserved3[2];
436 u8 reserved4[8];
437 }__attribute__ ((packed, aligned (8)));
438
439 struct ipr_config_table_hdr {
440 u8 num_entries;
441 u8 flags;
442 #define IPR_UCODE_DOWNLOAD_REQ 0x10
443 __be16 reserved;
444 }__attribute__((packed, aligned (4)));
445
446 struct ipr_config_table_hdr64 {
447 __be16 num_entries;
448 __be16 reserved;
449 u8 flags;
450 u8 reserved2[11];
451 }__attribute__((packed, aligned (4)));
452
453 struct ipr_config_table {
454 struct ipr_config_table_hdr hdr;
455 struct ipr_config_table_entry dev[0];
456 }__attribute__((packed, aligned (4)));
457
458 struct ipr_config_table64 {
459 struct ipr_config_table_hdr64 hdr64;
460 struct ipr_config_table_entry64 dev[0];
461 }__attribute__((packed, aligned (8)));
462
463 struct ipr_config_table_entry_wrapper {
464 union {
465 struct ipr_config_table_entry *cfgte;
466 struct ipr_config_table_entry64 *cfgte64;
467 } u;
468 };
469
470 struct ipr_hostrcb_cfg_ch_not {
471 union {
472 struct ipr_config_table_entry cfgte;
473 struct ipr_config_table_entry64 cfgte64;
474 } u;
475 u8 reserved[936];
476 }__attribute__((packed, aligned (4)));
477
478 struct ipr_supported_device {
479 __be16 data_length;
480 u8 reserved;
481 u8 num_records;
482 struct ipr_std_inq_vpids vpids;
483 u8 reserved2[16];
484 }__attribute__((packed, aligned (4)));
485
486 struct ipr_hrr_queue {
487 struct ipr_ioa_cfg *ioa_cfg;
488 __be32 *host_rrq;
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;
498
499 struct list_head hrrq_free_q;
500 struct list_head hrrq_pending_q;
501 spinlock_t _lock;
502 spinlock_t *lock;
503
504 volatile u32 toggle_bit;
505 u32 size;
506 u32 min_cmd_id;
507 u32 max_cmd_id;
508 u8 allow_interrupts:1;
509 u8 ioa_is_dead:1;
510 u8 allow_cmds:1;
511 u8 removing_ioa:1;
512
513 struct blk_iopoll iopoll;
514 };
515
516 /* Command packet structure */
517 struct ipr_cmd_pkt {
518 u8 reserved; /* Reserved by IOA */
519 u8 hrrq_id;
520 u8 request_type;
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
526
527 u8 reserved2;
528
529 u8 flags_hi;
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
535
536 u8 flags_lo;
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
544
545 u8 cdb[16];
546 __be16 timeout;
547 }__attribute__ ((packed, aligned(4)));
548
549 struct ipr_ioarcb_ata_regs { /* 22 bytes */
550 u8 flags;
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
554 u8 reserved[3];
555
556 __be16 data;
557 u8 feature;
558 u8 nsect;
559 u8 lbal;
560 u8 lbam;
561 u8 lbah;
562 u8 device;
563 u8 command;
564 u8 reserved2[3];
565 u8 hob_feature;
566 u8 hob_nsect;
567 u8 hob_lbal;
568 u8 hob_lbam;
569 u8 hob_lbah;
570 u8 ctl;
571 }__attribute__ ((packed, aligned(2)));
572
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
584
585 __be32 address;
586 }__attribute__((packed, aligned (8)));
587
588 struct ipr_ioadl64_desc {
589 __be32 flags;
590 __be32 data_len;
591 __be64 address;
592 }__attribute__((packed, aligned (16)));
593
594 struct ipr_ata64_ioadl {
595 struct ipr_ioarcb_ata_regs regs;
596 u16 reserved[5];
597 struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
598 }__attribute__((packed, aligned (16)));
599
600 struct ipr_ioarcb_add_data {
601 union {
602 struct ipr_ioarcb_ata_regs regs;
603 struct ipr_ioadl_desc ioadl[5];
604 __be32 add_cmd_parms[10];
605 } u;
606 }__attribute__ ((packed, aligned (4)));
607
608 struct ipr_ioarcb_sis64_add_addr_ecb {
609 __be64 ioasa_host_pci_addr;
610 __be64 data_ioadl_addr;
611 __be64 reserved;
612 __be32 ext_control_buf[4];
613 }__attribute__((packed, aligned (8)));
614
615 /* IOA Request Control Block 128 bytes */
616 struct ipr_ioarcb {
617 union {
618 __be32 ioarcb_host_pci_addr;
619 __be64 ioarcb_host_pci_addr64;
620 } a;
621 __be32 res_handle;
622 __be32 host_response_handle;
623 __be32 reserved1;
624 __be32 reserved2;
625 __be32 reserved3;
626
627 __be32 data_transfer_length;
628 __be32 read_data_transfer_length;
629 __be32 write_ioadl_addr;
630 __be32 ioadl_len;
631 __be32 read_ioadl_addr;
632 __be32 read_ioadl_len;
633
634 __be32 ioasa_host_pci_addr;
635 __be16 ioasa_len;
636 __be16 reserved4;
637
638 struct ipr_cmd_pkt cmd_pkt;
639
640 __be16 add_cmd_parms_offset;
641 __be16 add_cmd_parms_len;
642
643 union {
644 struct ipr_ioarcb_add_data add_data;
645 struct ipr_ioarcb_sis64_add_addr_ecb sis64_addr_data;
646 } u;
647
648 }__attribute__((packed, aligned (4)));
649
650 struct ipr_ioasa_vset {
651 __be32 failing_lba_hi;
652 __be32 failing_lba_lo;
653 __be32 reserved;
654 }__attribute__((packed, aligned (4)));
655
656 struct ipr_ioasa_af_dasd {
657 __be32 failing_lba;
658 __be32 reserved[2];
659 }__attribute__((packed, aligned (4)));
660
661 struct ipr_ioasa_gpdd {
662 u8 end_state;
663 u8 bus_phase;
664 __be16 reserved;
665 __be32 ioa_data[2];
666 }__attribute__((packed, aligned (4)));
667
668 struct ipr_ioasa_gata {
669 u8 error;
670 u8 nsect; /* Interrupt reason */
671 u8 lbal;
672 u8 lbam;
673 u8 lbah;
674 u8 device;
675 u8 status;
676 u8 alt_status; /* ATA CTL */
677 u8 hob_nsect;
678 u8 hob_lbal;
679 u8 hob_lbam;
680 u8 hob_lbah;
681 }__attribute__((packed, aligned (4)));
682
683 struct ipr_auto_sense {
684 __be16 auto_sense_len;
685 __be16 ioa_data_len;
686 __be32 data[SCSI_SENSE_BUFFERSIZE/sizeof(__be32)];
687 };
688
689 struct ipr_ioasa_hdr {
690 __be32 ioasc;
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)
695
696 __be16 ret_stat_len; /* Length of the returned IOASA */
697
698 __be16 avail_stat_len; /* Total Length of status available. */
699
700 __be32 residual_data_len; /* number of bytes in the host data */
701 /* buffers that were not used by the IOARCB command. */
702
703 __be32 ilid;
704 #define IPR_NO_ILID 0
705 #define IPR_DRIVER_ILID 0xffffffff
706
707 __be32 fd_ioasc;
708
709 __be32 fd_phys_locator;
710
711 __be32 fd_res_handle;
712
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
720
721 }__attribute__((packed, aligned (4)));
722
723 struct ipr_ioasa {
724 struct ipr_ioasa_hdr hdr;
725
726 union {
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;
731 } u;
732
733 struct ipr_auto_sense auto_sense;
734 }__attribute__((packed, aligned (4)));
735
736 struct ipr_ioasa64 {
737 struct ipr_ioasa_hdr hdr;
738 u8 fd_res_path[8];
739
740 union {
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;
745 } u;
746
747 struct ipr_auto_sense auto_sense;
748 }__attribute__((packed, aligned (4)));
749
750 struct ipr_mode_parm_hdr {
751 u8 length;
752 u8 medium_type;
753 u8 device_spec_parms;
754 u8 block_desc_len;
755 }__attribute__((packed));
756
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));
761
762 struct ipr_mode_page_hdr {
763 u8 ps_page_code;
764 #define IPR_MODE_PAGE_PS 0x80
765 #define IPR_GET_MODE_PAGE_CODE(hdr) ((hdr)->ps_page_code & 0x3F)
766 u8 page_length;
767 }__attribute__ ((packed));
768
769 struct ipr_dev_bus_entry {
770 struct ipr_res_addr res_addr;
771 u8 flags;
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
779
780 u8 scsi_id;
781 u8 bus_width;
782 u8 extended_reset_delay;
783 #define IPR_EXTENDED_RESET_DELAY 7
784
785 __be32 max_xfer_rate;
786
787 u8 spinup_delay;
788 u8 reserved3;
789 __be16 reserved4;
790 }__attribute__((packed, aligned (4)));
791
792 struct ipr_mode_page28 {
793 struct ipr_mode_page_hdr hdr;
794 u8 num_entries;
795 u8 entry_length;
796 struct ipr_dev_bus_entry bus[0];
797 }__attribute__((packed));
798
799 struct ipr_mode_page24 {
800 struct ipr_mode_page_hdr hdr;
801 u8 flags;
802 #define IPR_ENABLE_DUAL_IOA_AF 0x80
803 }__attribute__((packed));
804
805 struct ipr_ioa_vpd {
806 struct ipr_std_inq_data std_inq_data;
807 u8 ascii_part_num[12];
808 u8 reserved[40];
809 u8 ascii_plant_code[4];
810 }__attribute__((packed));
811
812 struct ipr_inquiry_page3 {
813 u8 peri_qual_dev_type;
814 u8 page_code;
815 u8 reserved1;
816 u8 page_length;
817 u8 ascii_len;
818 u8 reserved2[3];
819 u8 load_id[4];
820 u8 major_release;
821 u8 card_type;
822 u8 minor_release[2];
823 u8 ptf_number[4];
824 u8 patch_number[4];
825 }__attribute__((packed));
826
827 struct ipr_inquiry_cap {
828 u8 peri_qual_dev_type;
829 u8 page_code;
830 u8 reserved1;
831 u8 page_length;
832 u8 ascii_len;
833 u8 reserved2;
834 u8 sis_version[2];
835 u8 cap;
836 #define IPR_CAP_DUAL_IOA_RAID 0x80
837 u8 reserved3[15];
838 }__attribute__((packed));
839
840 #define IPR_INQUIRY_PAGE0_ENTRIES 20
841 struct ipr_inquiry_page0 {
842 u8 peri_qual_dev_type;
843 u8 page_code;
844 u8 reserved1;
845 u8 len;
846 u8 page[IPR_INQUIRY_PAGE0_ENTRIES];
847 }__attribute__((packed));
848
849 struct ipr_hostrcb_device_data_entry {
850 struct ipr_vpd vpd;
851 struct ipr_res_addr dev_res_addr;
852 struct ipr_vpd new_vpd;
853 struct ipr_vpd ioa_last_with_dev_vpd;
854 struct ipr_vpd cfc_last_with_dev_vpd;
855 __be32 ioa_data[5];
856 }__attribute__((packed, aligned (4)));
857
858 struct ipr_hostrcb_device_data_entry_enhanced {
859 struct ipr_ext_vpd vpd;
860 u8 ccin[4];
861 struct ipr_res_addr dev_res_addr;
862 struct ipr_ext_vpd new_vpd;
863 u8 new_ccin[4];
864 struct ipr_ext_vpd ioa_last_with_dev_vpd;
865 struct ipr_ext_vpd cfc_last_with_dev_vpd;
866 }__attribute__((packed, aligned (4)));
867
868 struct ipr_hostrcb64_device_data_entry_enhanced {
869 struct ipr_ext_vpd vpd;
870 u8 ccin[4];
871 u8 res_path[8];
872 struct ipr_ext_vpd new_vpd;
873 u8 new_ccin[4];
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)));
877
878 struct ipr_hostrcb_array_data_entry {
879 struct ipr_vpd vpd;
880 struct ipr_res_addr expected_dev_res_addr;
881 struct ipr_res_addr dev_res_addr;
882 }__attribute__((packed, aligned (4)));
883
884 struct ipr_hostrcb64_array_data_entry {
885 struct ipr_ext_vpd vpd;
886 u8 ccin[4];
887 u8 expected_res_path[8];
888 u8 res_path[8];
889 }__attribute__((packed, aligned (4)));
890
891 struct ipr_hostrcb_array_data_entry_enhanced {
892 struct ipr_ext_vpd vpd;
893 u8 ccin[4];
894 struct ipr_res_addr expected_dev_res_addr;
895 struct ipr_res_addr dev_res_addr;
896 }__attribute__((packed, aligned (4)));
897
898 struct ipr_hostrcb_type_ff_error {
899 __be32 ioa_data[758];
900 }__attribute__((packed, aligned (4)));
901
902 struct ipr_hostrcb_type_01_error {
903 __be32 seek_counter;
904 __be32 read_counter;
905 u8 sense_data[32];
906 __be32 ioa_data[236];
907 }__attribute__((packed, aligned (4)));
908
909 struct ipr_hostrcb_type_21_error {
910 __be32 wwn[4];
911 u8 res_path[8];
912 u8 primary_problem_desc[32];
913 u8 second_problem_desc[32];
914 __be32 sense_data[8];
915 __be32 cdb[4];
916 __be32 residual_trans_length;
917 __be32 length_of_error;
918 __be32 ioa_data[236];
919 }__attribute__((packed, aligned (4)));
920
921 struct ipr_hostrcb_type_02_error {
922 struct ipr_vpd ioa_vpd;
923 struct ipr_vpd cfc_vpd;
924 struct ipr_vpd ioa_last_attached_to_cfc_vpd;
925 struct ipr_vpd cfc_last_attached_to_ioa_vpd;
926 __be32 ioa_data[3];
927 }__attribute__((packed, aligned (4)));
928
929 struct ipr_hostrcb_type_12_error {
930 struct ipr_ext_vpd ioa_vpd;
931 struct ipr_ext_vpd cfc_vpd;
932 struct ipr_ext_vpd ioa_last_attached_to_cfc_vpd;
933 struct ipr_ext_vpd cfc_last_attached_to_ioa_vpd;
934 __be32 ioa_data[3];
935 }__attribute__((packed, aligned (4)));
936
937 struct ipr_hostrcb_type_03_error {
938 struct ipr_vpd ioa_vpd;
939 struct ipr_vpd cfc_vpd;
940 __be32 errors_detected;
941 __be32 errors_logged;
942 u8 ioa_data[12];
943 struct ipr_hostrcb_device_data_entry dev[3];
944 }__attribute__((packed, aligned (4)));
945
946 struct ipr_hostrcb_type_13_error {
947 struct ipr_ext_vpd ioa_vpd;
948 struct ipr_ext_vpd cfc_vpd;
949 __be32 errors_detected;
950 __be32 errors_logged;
951 struct ipr_hostrcb_device_data_entry_enhanced dev[3];
952 }__attribute__((packed, aligned (4)));
953
954 struct ipr_hostrcb_type_23_error {
955 struct ipr_ext_vpd ioa_vpd;
956 struct ipr_ext_vpd cfc_vpd;
957 __be32 errors_detected;
958 __be32 errors_logged;
959 struct ipr_hostrcb64_device_data_entry_enhanced dev[3];
960 }__attribute__((packed, aligned (4)));
961
962 struct ipr_hostrcb_type_04_error {
963 struct ipr_vpd ioa_vpd;
964 struct ipr_vpd cfc_vpd;
965 u8 ioa_data[12];
966 struct ipr_hostrcb_array_data_entry array_member[10];
967 __be32 exposed_mode_adn;
968 __be32 array_id;
969 struct ipr_vpd incomp_dev_vpd;
970 __be32 ioa_data2;
971 struct ipr_hostrcb_array_data_entry array_member2[8];
972 struct ipr_res_addr last_func_vset_res_addr;
973 u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
974 u8 protection_level[8];
975 }__attribute__((packed, aligned (4)));
976
977 struct ipr_hostrcb_type_14_error {
978 struct ipr_ext_vpd ioa_vpd;
979 struct ipr_ext_vpd cfc_vpd;
980 __be32 exposed_mode_adn;
981 __be32 array_id;
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 __be32 num_entries;
986 struct ipr_hostrcb_array_data_entry_enhanced array_member[18];
987 }__attribute__((packed, aligned (4)));
988
989 struct ipr_hostrcb_type_24_error {
990 struct ipr_ext_vpd ioa_vpd;
991 struct ipr_ext_vpd cfc_vpd;
992 u8 reserved[2];
993 u8 exposed_mode_adn;
994 #define IPR_INVALID_ARRAY_DEV_NUM 0xff
995 u8 array_id;
996 u8 last_res_path[8];
997 u8 protection_level[8];
998 struct ipr_ext_vpd64 array_vpd;
999 u8 description[16];
1000 u8 reserved2[3];
1001 u8 num_entries;
1002 struct ipr_hostrcb64_array_data_entry array_member[32];
1003 }__attribute__((packed, aligned (4)));
1004
1005 struct ipr_hostrcb_type_07_error {
1006 u8 failure_reason[64];
1007 struct ipr_vpd vpd;
1008 u32 data[222];
1009 }__attribute__((packed, aligned (4)));
1010
1011 struct ipr_hostrcb_type_17_error {
1012 u8 failure_reason[64];
1013 struct ipr_ext_vpd vpd;
1014 u32 data[476];
1015 }__attribute__((packed, aligned (4)));
1016
1017 struct ipr_hostrcb_config_element {
1018 u8 type_status;
1019 #define IPR_PATH_CFG_TYPE_MASK 0xF0
1020 #define IPR_PATH_CFG_NOT_EXIST 0x00
1021 #define IPR_PATH_CFG_IOA_PORT 0x10
1022 #define IPR_PATH_CFG_EXP_PORT 0x20
1023 #define IPR_PATH_CFG_DEVICE_PORT 0x30
1024 #define IPR_PATH_CFG_DEVICE_LUN 0x40
1025
1026 #define IPR_PATH_CFG_STATUS_MASK 0x0F
1027 #define IPR_PATH_CFG_NO_PROB 0x00
1028 #define IPR_PATH_CFG_DEGRADED 0x01
1029 #define IPR_PATH_CFG_FAILED 0x02
1030 #define IPR_PATH_CFG_SUSPECT 0x03
1031 #define IPR_PATH_NOT_DETECTED 0x04
1032 #define IPR_PATH_INCORRECT_CONN 0x05
1033
1034 u8 cascaded_expander;
1035 u8 phy;
1036 u8 link_rate;
1037 #define IPR_PHY_LINK_RATE_MASK 0x0F
1038
1039 __be32 wwid[2];
1040 }__attribute__((packed, aligned (4)));
1041
1042 struct ipr_hostrcb64_config_element {
1043 __be16 length;
1044 u8 descriptor_id;
1045 #define IPR_DESCRIPTOR_MASK 0xC0
1046 #define IPR_DESCRIPTOR_SIS64 0x00
1047
1048 u8 reserved;
1049 u8 type_status;
1050
1051 u8 reserved2[2];
1052 u8 link_rate;
1053
1054 u8 res_path[8];
1055 __be32 wwid[2];
1056 }__attribute__((packed, aligned (8)));
1057
1058 struct ipr_hostrcb_fabric_desc {
1059 __be16 length;
1060 u8 ioa_port;
1061 u8 cascaded_expander;
1062 u8 phy;
1063 u8 path_state;
1064 #define IPR_PATH_ACTIVE_MASK 0xC0
1065 #define IPR_PATH_NO_INFO 0x00
1066 #define IPR_PATH_ACTIVE 0x40
1067 #define IPR_PATH_NOT_ACTIVE 0x80
1068
1069 #define IPR_PATH_STATE_MASK 0x0F
1070 #define IPR_PATH_STATE_NO_INFO 0x00
1071 #define IPR_PATH_HEALTHY 0x01
1072 #define IPR_PATH_DEGRADED 0x02
1073 #define IPR_PATH_FAILED 0x03
1074
1075 __be16 num_entries;
1076 struct ipr_hostrcb_config_element elem[1];
1077 }__attribute__((packed, aligned (4)));
1078
1079 struct ipr_hostrcb64_fabric_desc {
1080 __be16 length;
1081 u8 descriptor_id;
1082
1083 u8 reserved[2];
1084 u8 path_state;
1085
1086 u8 reserved2[2];
1087 u8 res_path[8];
1088 u8 reserved3[6];
1089 __be16 num_entries;
1090 struct ipr_hostrcb64_config_element elem[1];
1091 }__attribute__((packed, aligned (8)));
1092
1093 #define for_each_hrrq(hrrq, ioa_cfg) \
1094 for (hrrq = (ioa_cfg)->hrrq; \
1095 hrrq < ((ioa_cfg)->hrrq + (ioa_cfg)->hrrq_num); hrrq++)
1096
1097 #define for_each_fabric_cfg(fabric, cfg) \
1098 for (cfg = (fabric)->elem; \
1099 cfg < ((fabric)->elem + be16_to_cpu((fabric)->num_entries)); \
1100 cfg++)
1101
1102 struct ipr_hostrcb_type_20_error {
1103 u8 failure_reason[64];
1104 u8 reserved[3];
1105 u8 num_entries;
1106 struct ipr_hostrcb_fabric_desc desc[1];
1107 }__attribute__((packed, aligned (4)));
1108
1109 struct ipr_hostrcb_type_30_error {
1110 u8 failure_reason[64];
1111 u8 reserved[3];
1112 u8 num_entries;
1113 struct ipr_hostrcb64_fabric_desc desc[1];
1114 }__attribute__((packed, aligned (4)));
1115
1116 struct ipr_hostrcb_error {
1117 __be32 fd_ioasc;
1118 struct ipr_res_addr fd_res_addr;
1119 __be32 fd_res_handle;
1120 __be32 prc;
1121 union {
1122 struct ipr_hostrcb_type_ff_error type_ff_error;
1123 struct ipr_hostrcb_type_01_error type_01_error;
1124 struct ipr_hostrcb_type_02_error type_02_error;
1125 struct ipr_hostrcb_type_03_error type_03_error;
1126 struct ipr_hostrcb_type_04_error type_04_error;
1127 struct ipr_hostrcb_type_07_error type_07_error;
1128 struct ipr_hostrcb_type_12_error type_12_error;
1129 struct ipr_hostrcb_type_13_error type_13_error;
1130 struct ipr_hostrcb_type_14_error type_14_error;
1131 struct ipr_hostrcb_type_17_error type_17_error;
1132 struct ipr_hostrcb_type_20_error type_20_error;
1133 } u;
1134 }__attribute__((packed, aligned (4)));
1135
1136 struct ipr_hostrcb64_error {
1137 __be32 fd_ioasc;
1138 __be32 ioa_fw_level;
1139 __be32 fd_res_handle;
1140 __be32 prc;
1141 __be64 fd_dev_id;
1142 __be64 fd_lun;
1143 u8 fd_res_path[8];
1144 __be64 time_stamp;
1145 u8 reserved[16];
1146 union {
1147 struct ipr_hostrcb_type_ff_error type_ff_error;
1148 struct ipr_hostrcb_type_12_error type_12_error;
1149 struct ipr_hostrcb_type_17_error type_17_error;
1150 struct ipr_hostrcb_type_21_error type_21_error;
1151 struct ipr_hostrcb_type_23_error type_23_error;
1152 struct ipr_hostrcb_type_24_error type_24_error;
1153 struct ipr_hostrcb_type_30_error type_30_error;
1154 } u;
1155 }__attribute__((packed, aligned (8)));
1156
1157 struct ipr_hostrcb_raw {
1158 __be32 data[sizeof(struct ipr_hostrcb_error)/sizeof(__be32)];
1159 }__attribute__((packed, aligned (4)));
1160
1161 struct ipr_hcam {
1162 u8 op_code;
1163 #define IPR_HOST_RCB_OP_CODE_CONFIG_CHANGE 0xE1
1164 #define IPR_HOST_RCB_OP_CODE_LOG_DATA 0xE2
1165
1166 u8 notify_type;
1167 #define IPR_HOST_RCB_NOTIF_TYPE_EXISTING_CHANGED 0x00
1168 #define IPR_HOST_RCB_NOTIF_TYPE_NEW_ENTRY 0x01
1169 #define IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY 0x02
1170 #define IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY 0x10
1171 #define IPR_HOST_RCB_NOTIF_TYPE_INFORMATION_ENTRY 0x11
1172
1173 u8 notifications_lost;
1174 #define IPR_HOST_RCB_NO_NOTIFICATIONS_LOST 0
1175 #define IPR_HOST_RCB_NOTIFICATIONS_LOST 0x80
1176
1177 u8 flags;
1178 #define IPR_HOSTRCB_INTERNAL_OPER 0x80
1179 #define IPR_HOSTRCB_ERR_RESP_SENT 0x40
1180
1181 u8 overlay_id;
1182 #define IPR_HOST_RCB_OVERLAY_ID_1 0x01
1183 #define IPR_HOST_RCB_OVERLAY_ID_2 0x02
1184 #define IPR_HOST_RCB_OVERLAY_ID_3 0x03
1185 #define IPR_HOST_RCB_OVERLAY_ID_4 0x04
1186 #define IPR_HOST_RCB_OVERLAY_ID_6 0x06
1187 #define IPR_HOST_RCB_OVERLAY_ID_7 0x07
1188 #define IPR_HOST_RCB_OVERLAY_ID_12 0x12
1189 #define IPR_HOST_RCB_OVERLAY_ID_13 0x13
1190 #define IPR_HOST_RCB_OVERLAY_ID_14 0x14
1191 #define IPR_HOST_RCB_OVERLAY_ID_16 0x16
1192 #define IPR_HOST_RCB_OVERLAY_ID_17 0x17
1193 #define IPR_HOST_RCB_OVERLAY_ID_20 0x20
1194 #define IPR_HOST_RCB_OVERLAY_ID_21 0x21
1195 #define IPR_HOST_RCB_OVERLAY_ID_23 0x23
1196 #define IPR_HOST_RCB_OVERLAY_ID_24 0x24
1197 #define IPR_HOST_RCB_OVERLAY_ID_26 0x26
1198 #define IPR_HOST_RCB_OVERLAY_ID_30 0x30
1199 #define IPR_HOST_RCB_OVERLAY_ID_DEFAULT 0xFF
1200
1201 u8 reserved1[3];
1202 __be32 ilid;
1203 __be32 time_since_last_ioa_reset;
1204 __be32 reserved2;
1205 __be32 length;
1206
1207 union {
1208 struct ipr_hostrcb_error error;
1209 struct ipr_hostrcb64_error error64;
1210 struct ipr_hostrcb_cfg_ch_not ccn;
1211 struct ipr_hostrcb_raw raw;
1212 } u;
1213 }__attribute__((packed, aligned (4)));
1214
1215 struct ipr_hostrcb {
1216 struct ipr_hcam hcam;
1217 dma_addr_t hostrcb_dma;
1218 struct list_head queue;
1219 struct ipr_ioa_cfg *ioa_cfg;
1220 char rp_buffer[IPR_MAX_RES_PATH_LENGTH];
1221 };
1222
1223 /* IPR smart dump table structures */
1224 struct ipr_sdt_entry {
1225 __be32 start_token;
1226 __be32 end_token;
1227 u8 reserved[4];
1228
1229 u8 flags;
1230 #define IPR_SDT_ENDIAN 0x80
1231 #define IPR_SDT_VALID_ENTRY 0x20
1232
1233 u8 resv;
1234 __be16 priority;
1235 }__attribute__((packed, aligned (4)));
1236
1237 struct ipr_sdt_header {
1238 __be32 state;
1239 __be32 num_entries;
1240 __be32 num_entries_used;
1241 __be32 dump_size;
1242 }__attribute__((packed, aligned (4)));
1243
1244 struct ipr_sdt {
1245 struct ipr_sdt_header hdr;
1246 struct ipr_sdt_entry entry[IPR_FMT3_NUM_SDT_ENTRIES];
1247 }__attribute__((packed, aligned (4)));
1248
1249 struct ipr_uc_sdt {
1250 struct ipr_sdt_header hdr;
1251 struct ipr_sdt_entry entry[1];
1252 }__attribute__((packed, aligned (4)));
1253
1254 /*
1255 * Driver types
1256 */
1257 struct ipr_bus_attributes {
1258 u8 bus;
1259 u8 qas_enabled;
1260 u8 bus_width;
1261 u8 reserved;
1262 u32 max_xfer_rate;
1263 };
1264
1265 struct ipr_sata_port {
1266 struct ipr_ioa_cfg *ioa_cfg;
1267 struct ata_port *ap;
1268 struct ipr_resource_entry *res;
1269 struct ipr_ioasa_gata ioasa;
1270 };
1271
1272 struct ipr_resource_entry {
1273 u8 needs_sync_complete:1;
1274 u8 in_erp:1;
1275 u8 add_to_ml:1;
1276 u8 del_from_ml:1;
1277 u8 resetting_device:1;
1278 u8 reset_occurred:1;
1279 u8 raw_mode:1;
1280
1281 u32 bus; /* AKA channel */
1282 u32 target; /* AKA id */
1283 u32 lun;
1284 #define IPR_ARRAY_VIRTUAL_BUS 0x1
1285 #define IPR_VSET_VIRTUAL_BUS 0x2
1286 #define IPR_IOAFP_VIRTUAL_BUS 0x3
1287
1288 #define IPR_GET_RES_PHYS_LOC(res) \
1289 (((res)->bus << 24) | ((res)->target << 8) | (res)->lun)
1290
1291 u8 ata_class;
1292
1293 u8 flags;
1294 __be16 res_flags;
1295
1296 u8 type;
1297
1298 u8 qmodel;
1299 struct ipr_std_inq_data std_inq_data;
1300
1301 __be32 res_handle;
1302 __be64 dev_id;
1303 __be64 lun_wwn;
1304 struct scsi_lun dev_lun;
1305 u8 res_path[8];
1306
1307 struct ipr_ioa_cfg *ioa_cfg;
1308 struct scsi_device *sdev;
1309 struct ipr_sata_port *sata_port;
1310 struct list_head queue;
1311 }; /* struct ipr_resource_entry */
1312
1313 struct ipr_resource_hdr {
1314 u16 num_entries;
1315 u16 reserved;
1316 };
1317
1318 struct ipr_misc_cbs {
1319 struct ipr_ioa_vpd ioa_vpd;
1320 struct ipr_inquiry_page0 page0_data;
1321 struct ipr_inquiry_page3 page3_data;
1322 struct ipr_inquiry_cap cap;
1323 struct ipr_mode_pages mode_pages;
1324 struct ipr_supported_device supp_dev;
1325 };
1326
1327 struct ipr_interrupt_offsets {
1328 unsigned long set_interrupt_mask_reg;
1329 unsigned long clr_interrupt_mask_reg;
1330 unsigned long clr_interrupt_mask_reg32;
1331 unsigned long sense_interrupt_mask_reg;
1332 unsigned long sense_interrupt_mask_reg32;
1333 unsigned long clr_interrupt_reg;
1334 unsigned long clr_interrupt_reg32;
1335
1336 unsigned long sense_interrupt_reg;
1337 unsigned long sense_interrupt_reg32;
1338 unsigned long ioarrin_reg;
1339 unsigned long sense_uproc_interrupt_reg;
1340 unsigned long sense_uproc_interrupt_reg32;
1341 unsigned long set_uproc_interrupt_reg;
1342 unsigned long set_uproc_interrupt_reg32;
1343 unsigned long clr_uproc_interrupt_reg;
1344 unsigned long clr_uproc_interrupt_reg32;
1345
1346 unsigned long init_feedback_reg;
1347
1348 unsigned long dump_addr_reg;
1349 unsigned long dump_data_reg;
1350
1351 #define IPR_ENDIAN_SWAP_KEY 0x00080800
1352 unsigned long endian_swap_reg;
1353 };
1354
1355 struct ipr_interrupts {
1356 void __iomem *set_interrupt_mask_reg;
1357 void __iomem *clr_interrupt_mask_reg;
1358 void __iomem *clr_interrupt_mask_reg32;
1359 void __iomem *sense_interrupt_mask_reg;
1360 void __iomem *sense_interrupt_mask_reg32;
1361 void __iomem *clr_interrupt_reg;
1362 void __iomem *clr_interrupt_reg32;
1363
1364 void __iomem *sense_interrupt_reg;
1365 void __iomem *sense_interrupt_reg32;
1366 void __iomem *ioarrin_reg;
1367 void __iomem *sense_uproc_interrupt_reg;
1368 void __iomem *sense_uproc_interrupt_reg32;
1369 void __iomem *set_uproc_interrupt_reg;
1370 void __iomem *set_uproc_interrupt_reg32;
1371 void __iomem *clr_uproc_interrupt_reg;
1372 void __iomem *clr_uproc_interrupt_reg32;
1373
1374 void __iomem *init_feedback_reg;
1375
1376 void __iomem *dump_addr_reg;
1377 void __iomem *dump_data_reg;
1378
1379 void __iomem *endian_swap_reg;
1380 };
1381
1382 struct ipr_chip_cfg_t {
1383 u32 mailbox;
1384 u16 max_cmds;
1385 u8 cache_line_size;
1386 u8 clear_isr;
1387 u32 iopoll_weight;
1388 struct ipr_interrupt_offsets regs;
1389 };
1390
1391 struct ipr_chip_t {
1392 u16 vendor;
1393 u16 device;
1394 u16 intr_type;
1395 #define IPR_USE_LSI 0x00
1396 #define IPR_USE_MSI 0x01
1397 #define IPR_USE_MSIX 0x02
1398 u16 sis_type;
1399 #define IPR_SIS32 0x00
1400 #define IPR_SIS64 0x01
1401 u16 bist_method;
1402 #define IPR_PCI_CFG 0x00
1403 #define IPR_MMIO 0x01
1404 const struct ipr_chip_cfg_t *cfg;
1405 };
1406
1407 enum ipr_shutdown_type {
1408 IPR_SHUTDOWN_NORMAL = 0x00,
1409 IPR_SHUTDOWN_PREPARE_FOR_NORMAL = 0x40,
1410 IPR_SHUTDOWN_ABBREV = 0x80,
1411 IPR_SHUTDOWN_NONE = 0x100,
1412 IPR_SHUTDOWN_QUIESCE = 0x101,
1413 };
1414
1415 struct ipr_trace_entry {
1416 u32 time;
1417
1418 u8 op_code;
1419 u8 ata_op_code;
1420 u8 type;
1421 #define IPR_TRACE_START 0x00
1422 #define IPR_TRACE_FINISH 0xff
1423 u8 cmd_index;
1424
1425 __be32 res_handle;
1426 union {
1427 u32 ioasc;
1428 u32 add_data;
1429 u32 res_addr;
1430 } u;
1431 };
1432
1433 struct ipr_sglist {
1434 u32 order;
1435 u32 num_sg;
1436 u32 num_dma_sg;
1437 u32 buffer_len;
1438 struct scatterlist scatterlist[1];
1439 };
1440
1441 enum ipr_sdt_state {
1442 INACTIVE,
1443 WAIT_FOR_DUMP,
1444 GET_DUMP,
1445 READ_DUMP,
1446 ABORT_DUMP,
1447 DUMP_OBTAINED
1448 };
1449
1450 /* Per-controller data */
1451 struct ipr_ioa_cfg {
1452 char eye_catcher[8];
1453 #define IPR_EYECATCHER "iprcfg"
1454
1455 struct list_head queue;
1456
1457 u8 in_reset_reload:1;
1458 u8 in_ioa_bringdown:1;
1459 u8 ioa_unit_checked:1;
1460 u8 dump_taken:1;
1461 u8 scan_done:1;
1462 u8 needs_hard_reset:1;
1463 u8 dual_raid:1;
1464 u8 needs_warm_reset:1;
1465 u8 msi_received:1;
1466 u8 sis64:1;
1467 u8 dump_timeout:1;
1468 u8 cfg_locked:1;
1469 u8 clear_isr:1;
1470 u8 probe_done:1;
1471
1472 u8 revid;
1473
1474 /*
1475 * Bitmaps for SIS64 generated target values
1476 */
1477 unsigned long target_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1478 unsigned long array_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1479 unsigned long vset_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1480
1481 u16 type; /* CCIN of the card */
1482
1483 u8 log_level;
1484 #define IPR_MAX_LOG_LEVEL 4
1485 #define IPR_DEFAULT_LOG_LEVEL 2
1486
1487 #define IPR_NUM_TRACE_INDEX_BITS 8
1488 #define IPR_NUM_TRACE_ENTRIES (1 << IPR_NUM_TRACE_INDEX_BITS)
1489 #define IPR_TRACE_SIZE (sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES)
1490 char trace_start[8];
1491 #define IPR_TRACE_START_LABEL "trace"
1492 struct ipr_trace_entry *trace;
1493 atomic_t trace_index;
1494
1495 char cfg_table_start[8];
1496 #define IPR_CFG_TBL_START "cfg"
1497 union {
1498 struct ipr_config_table *cfg_table;
1499 struct ipr_config_table64 *cfg_table64;
1500 } u;
1501 dma_addr_t cfg_table_dma;
1502 u32 cfg_table_size;
1503 u32 max_devs_supported;
1504
1505 char resource_table_label[8];
1506 #define IPR_RES_TABLE_LABEL "res_tbl"
1507 struct ipr_resource_entry *res_entries;
1508 struct list_head free_res_q;
1509 struct list_head used_res_q;
1510
1511 char ipr_hcam_label[8];
1512 #define IPR_HCAM_LABEL "hcams"
1513 struct ipr_hostrcb *hostrcb[IPR_NUM_HCAMS];
1514 dma_addr_t hostrcb_dma[IPR_NUM_HCAMS];
1515 struct list_head hostrcb_free_q;
1516 struct list_head hostrcb_pending_q;
1517
1518 struct ipr_hrr_queue hrrq[IPR_MAX_HRRQ_NUM];
1519 u32 hrrq_num;
1520 atomic_t hrrq_index;
1521 u16 identify_hrrq_index;
1522
1523 struct ipr_bus_attributes bus_attr[IPR_MAX_NUM_BUSES];
1524
1525 unsigned int transop_timeout;
1526 const struct ipr_chip_cfg_t *chip_cfg;
1527 const struct ipr_chip_t *ipr_chip;
1528
1529 void __iomem *hdw_dma_regs; /* iomapped PCI memory space */
1530 unsigned long hdw_dma_regs_pci; /* raw PCI memory space */
1531 void __iomem *ioa_mailbox;
1532 struct ipr_interrupts regs;
1533
1534 u16 saved_pcix_cmd_reg;
1535 u16 reset_retries;
1536
1537 u32 errors_logged;
1538 u32 doorbell;
1539
1540 struct Scsi_Host *host;
1541 struct pci_dev *pdev;
1542 struct ipr_sglist *ucode_sglist;
1543 u8 saved_mode_page_len;
1544
1545 struct work_struct work_q;
1546 struct workqueue_struct *reset_work_q;
1547
1548 wait_queue_head_t reset_wait_q;
1549 wait_queue_head_t msi_wait_q;
1550 wait_queue_head_t eeh_wait_q;
1551
1552 struct ipr_dump *dump;
1553 enum ipr_sdt_state sdt_state;
1554
1555 struct ipr_misc_cbs *vpd_cbs;
1556 dma_addr_t vpd_cbs_dma;
1557
1558 struct dma_pool *ipr_cmd_pool;
1559
1560 struct ipr_cmnd *reset_cmd;
1561 int (*reset) (struct ipr_cmnd *);
1562
1563 struct ata_host ata_host;
1564 char ipr_cmd_label[8];
1565 #define IPR_CMD_LABEL "ipr_cmd"
1566 u32 max_cmds;
1567 struct ipr_cmnd **ipr_cmnd_list;
1568 dma_addr_t *ipr_cmnd_list_dma;
1569
1570 u16 intr_flag;
1571 unsigned int nvectors;
1572
1573 struct {
1574 unsigned short vec;
1575 char desc[22];
1576 } vectors_info[IPR_MAX_MSIX_VECTORS];
1577
1578 u32 iopoll_weight;
1579
1580 }; /* struct ipr_ioa_cfg */
1581
1582 struct ipr_cmnd {
1583 struct ipr_ioarcb ioarcb;
1584 union {
1585 struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
1586 struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
1587 struct ipr_ata64_ioadl ata_ioadl;
1588 } i;
1589 union {
1590 struct ipr_ioasa ioasa;
1591 struct ipr_ioasa64 ioasa64;
1592 } s;
1593 struct list_head queue;
1594 struct scsi_cmnd *scsi_cmd;
1595 struct ata_queued_cmd *qc;
1596 struct completion completion;
1597 struct timer_list timer;
1598 struct work_struct work;
1599 void (*fast_done) (struct ipr_cmnd *);
1600 void (*done) (struct ipr_cmnd *);
1601 int (*job_step) (struct ipr_cmnd *);
1602 int (*job_step_failed) (struct ipr_cmnd *);
1603 u16 cmd_index;
1604 u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
1605 dma_addr_t sense_buffer_dma;
1606 unsigned short dma_use_sg;
1607 dma_addr_t dma_addr;
1608 struct ipr_cmnd *sibling;
1609 union {
1610 enum ipr_shutdown_type shutdown_type;
1611 struct ipr_hostrcb *hostrcb;
1612 unsigned long time_left;
1613 unsigned long scratch;
1614 struct ipr_resource_entry *res;
1615 struct scsi_device *sdev;
1616 } u;
1617
1618 struct completion *eh_comp;
1619 struct ipr_hrr_queue *hrrq;
1620 struct ipr_ioa_cfg *ioa_cfg;
1621 };
1622
1623 struct ipr_ses_table_entry {
1624 char product_id[17];
1625 char compare_product_id_byte[17];
1626 u32 max_bus_speed_limit; /* MB/sec limit for this backplane */
1627 };
1628
1629 struct ipr_dump_header {
1630 u32 eye_catcher;
1631 #define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1632 u32 len;
1633 u32 num_entries;
1634 u32 first_entry_offset;
1635 u32 status;
1636 #define IPR_DUMP_STATUS_SUCCESS 0
1637 #define IPR_DUMP_STATUS_QUAL_SUCCESS 2
1638 #define IPR_DUMP_STATUS_FAILED 0xffffffff
1639 u32 os;
1640 #define IPR_DUMP_OS_LINUX 0x4C4E5558
1641 u32 driver_name;
1642 #define IPR_DUMP_DRIVER_NAME 0x49505232
1643 }__attribute__((packed, aligned (4)));
1644
1645 struct ipr_dump_entry_header {
1646 u32 eye_catcher;
1647 #define IPR_DUMP_EYE_CATCHER 0xC5D4E3F2
1648 u32 len;
1649 u32 num_elems;
1650 u32 offset;
1651 u32 data_type;
1652 #define IPR_DUMP_DATA_TYPE_ASCII 0x41534349
1653 #define IPR_DUMP_DATA_TYPE_BINARY 0x42494E41
1654 u32 id;
1655 #define IPR_DUMP_IOA_DUMP_ID 0x494F4131
1656 #define IPR_DUMP_LOCATION_ID 0x4C4F4341
1657 #define IPR_DUMP_TRACE_ID 0x54524143
1658 #define IPR_DUMP_DRIVER_VERSION_ID 0x44525652
1659 #define IPR_DUMP_DRIVER_TYPE_ID 0x54595045
1660 #define IPR_DUMP_IOA_CTRL_BLK 0x494F4342
1661 #define IPR_DUMP_PEND_OPS 0x414F5053
1662 u32 status;
1663 }__attribute__((packed, aligned (4)));
1664
1665 struct ipr_dump_location_entry {
1666 struct ipr_dump_entry_header hdr;
1667 u8 location[20];
1668 }__attribute__((packed));
1669
1670 struct ipr_dump_trace_entry {
1671 struct ipr_dump_entry_header hdr;
1672 u32 trace[IPR_TRACE_SIZE / sizeof(u32)];
1673 }__attribute__((packed, aligned (4)));
1674
1675 struct ipr_dump_version_entry {
1676 struct ipr_dump_entry_header hdr;
1677 u8 version[sizeof(IPR_DRIVER_VERSION)];
1678 };
1679
1680 struct ipr_dump_ioa_type_entry {
1681 struct ipr_dump_entry_header hdr;
1682 u32 type;
1683 u32 fw_version;
1684 };
1685
1686 struct ipr_driver_dump {
1687 struct ipr_dump_header hdr;
1688 struct ipr_dump_version_entry version_entry;
1689 struct ipr_dump_location_entry location_entry;
1690 struct ipr_dump_ioa_type_entry ioa_type_entry;
1691 struct ipr_dump_trace_entry trace_entry;
1692 }__attribute__((packed));
1693
1694 struct ipr_ioa_dump {
1695 struct ipr_dump_entry_header hdr;
1696 struct ipr_sdt sdt;
1697 __be32 **ioa_data;
1698 u32 reserved;
1699 u32 next_page_index;
1700 u32 page_offset;
1701 u32 format;
1702 }__attribute__((packed, aligned (4)));
1703
1704 struct ipr_dump {
1705 struct kref kref;
1706 struct ipr_ioa_cfg *ioa_cfg;
1707 struct ipr_driver_dump driver_dump;
1708 struct ipr_ioa_dump ioa_dump;
1709 };
1710
1711 struct ipr_error_table_t {
1712 u32 ioasc;
1713 int log_ioasa;
1714 int log_hcam;
1715 char *error;
1716 };
1717
1718 struct ipr_software_inq_lid_info {
1719 __be32 load_id;
1720 __be32 timestamp[3];
1721 }__attribute__((packed, aligned (4)));
1722
1723 struct ipr_ucode_image_header {
1724 __be32 header_length;
1725 __be32 lid_table_offset;
1726 u8 major_release;
1727 u8 card_type;
1728 u8 minor_release[2];
1729 u8 reserved[20];
1730 char eyecatcher[16];
1731 __be32 num_lids;
1732 struct ipr_software_inq_lid_info lid[1];
1733 }__attribute__((packed, aligned (4)));
1734
1735 /*
1736 * Macros
1737 */
1738 #define IPR_DBG_CMD(CMD) if (ipr_debug) { CMD; }
1739
1740 #ifdef CONFIG_SCSI_IPR_TRACE
1741 #define ipr_create_trace_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1742 #define ipr_remove_trace_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1743 #else
1744 #define ipr_create_trace_file(kobj, attr) 0
1745 #define ipr_remove_trace_file(kobj, attr) do { } while(0)
1746 #endif
1747
1748 #ifdef CONFIG_SCSI_IPR_DUMP
1749 #define ipr_create_dump_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1750 #define ipr_remove_dump_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1751 #else
1752 #define ipr_create_dump_file(kobj, attr) 0
1753 #define ipr_remove_dump_file(kobj, attr) do { } while(0)
1754 #endif
1755
1756 /*
1757 * Error logging macros
1758 */
1759 #define ipr_err(...) printk(KERN_ERR IPR_NAME ": "__VA_ARGS__)
1760 #define ipr_info(...) printk(KERN_INFO IPR_NAME ": "__VA_ARGS__)
1761 #define ipr_dbg(...) IPR_DBG_CMD(printk(KERN_INFO IPR_NAME ": "__VA_ARGS__))
1762
1763 #define ipr_res_printk(level, ioa_cfg, bus, target, lun, fmt, ...) \
1764 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1765 bus, target, lun, ##__VA_ARGS__)
1766
1767 #define ipr_res_err(ioa_cfg, res, fmt, ...) \
1768 ipr_res_printk(KERN_ERR, ioa_cfg, (res)->bus, (res)->target, (res)->lun, fmt, ##__VA_ARGS__)
1769
1770 #define ipr_ra_printk(level, ioa_cfg, ra, fmt, ...) \
1771 printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1772 (ra).bus, (ra).target, (ra).lun, ##__VA_ARGS__)
1773
1774 #define ipr_ra_err(ioa_cfg, ra, fmt, ...) \
1775 ipr_ra_printk(KERN_ERR, ioa_cfg, ra, fmt, ##__VA_ARGS__)
1776
1777 #define ipr_phys_res_err(ioa_cfg, res, fmt, ...) \
1778 { \
1779 if ((res).bus >= IPR_MAX_NUM_BUSES) { \
1780 ipr_err(fmt": unknown\n", ##__VA_ARGS__); \
1781 } else { \
1782 ipr_err(fmt": %d:%d:%d:%d\n", \
1783 ##__VA_ARGS__, (ioa_cfg)->host->host_no, \
1784 (res).bus, (res).target, (res).lun); \
1785 } \
1786 }
1787
1788 #define ipr_hcam_err(hostrcb, fmt, ...) \
1789 { \
1790 if (ipr_is_device(hostrcb)) { \
1791 if ((hostrcb)->ioa_cfg->sis64) { \
1792 printk(KERN_ERR IPR_NAME ": %s: " fmt, \
1793 ipr_format_res_path(hostrcb->ioa_cfg, \
1794 hostrcb->hcam.u.error64.fd_res_path, \
1795 hostrcb->rp_buffer, \
1796 sizeof(hostrcb->rp_buffer)), \
1797 __VA_ARGS__); \
1798 } else { \
1799 ipr_ra_err((hostrcb)->ioa_cfg, \
1800 (hostrcb)->hcam.u.error.fd_res_addr, \
1801 fmt, __VA_ARGS__); \
1802 } \
1803 } else { \
1804 dev_err(&(hostrcb)->ioa_cfg->pdev->dev, fmt, __VA_ARGS__); \
1805 } \
1806 }
1807
1808 #define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
1809 __FILE__, __func__, __LINE__)
1810
1811 #define ENTER IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Entering %s\n", __func__))
1812 #define LEAVE IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Leaving %s\n", __func__))
1813
1814 #define ipr_err_separator \
1815 ipr_err("----------------------------------------------------------\n")
1816
1817
1818 /*
1819 * Inlines
1820 */
1821
1822 /**
1823 * ipr_is_ioa_resource - Determine if a resource is the IOA
1824 * @res: resource entry struct
1825 *
1826 * Return value:
1827 * 1 if IOA / 0 if not IOA
1828 **/
1829 static inline int ipr_is_ioa_resource(struct ipr_resource_entry *res)
1830 {
1831 return res->type == IPR_RES_TYPE_IOAFP;
1832 }
1833
1834 /**
1835 * ipr_is_af_dasd_device - Determine if a resource is an AF DASD
1836 * @res: resource entry struct
1837 *
1838 * Return value:
1839 * 1 if AF DASD / 0 if not AF DASD
1840 **/
1841 static inline int ipr_is_af_dasd_device(struct ipr_resource_entry *res)
1842 {
1843 return res->type == IPR_RES_TYPE_AF_DASD ||
1844 res->type == IPR_RES_TYPE_REMOTE_AF_DASD;
1845 }
1846
1847 /**
1848 * ipr_is_vset_device - Determine if a resource is a VSET
1849 * @res: resource entry struct
1850 *
1851 * Return value:
1852 * 1 if VSET / 0 if not VSET
1853 **/
1854 static inline int ipr_is_vset_device(struct ipr_resource_entry *res)
1855 {
1856 return res->type == IPR_RES_TYPE_VOLUME_SET;
1857 }
1858
1859 /**
1860 * ipr_is_gscsi - Determine if a resource is a generic scsi resource
1861 * @res: resource entry struct
1862 *
1863 * Return value:
1864 * 1 if GSCSI / 0 if not GSCSI
1865 **/
1866 static inline int ipr_is_gscsi(struct ipr_resource_entry *res)
1867 {
1868 return res->type == IPR_RES_TYPE_GENERIC_SCSI;
1869 }
1870
1871 /**
1872 * ipr_is_scsi_disk - Determine if a resource is a SCSI disk
1873 * @res: resource entry struct
1874 *
1875 * Return value:
1876 * 1 if SCSI disk / 0 if not SCSI disk
1877 **/
1878 static inline int ipr_is_scsi_disk(struct ipr_resource_entry *res)
1879 {
1880 if (ipr_is_af_dasd_device(res) ||
1881 (ipr_is_gscsi(res) && IPR_IS_DASD_DEVICE(res->std_inq_data)))
1882 return 1;
1883 else
1884 return 0;
1885 }
1886
1887 /**
1888 * ipr_is_gata - Determine if a resource is a generic ATA resource
1889 * @res: resource entry struct
1890 *
1891 * Return value:
1892 * 1 if GATA / 0 if not GATA
1893 **/
1894 static inline int ipr_is_gata(struct ipr_resource_entry *res)
1895 {
1896 return res->type == IPR_RES_TYPE_GENERIC_ATA;
1897 }
1898
1899 /**
1900 * ipr_is_naca_model - Determine if a resource is using NACA queueing model
1901 * @res: resource entry struct
1902 *
1903 * Return value:
1904 * 1 if NACA queueing model / 0 if not NACA queueing model
1905 **/
1906 static inline int ipr_is_naca_model(struct ipr_resource_entry *res)
1907 {
1908 if (ipr_is_gscsi(res) && res->qmodel == IPR_QUEUE_NACA_MODEL)
1909 return 1;
1910 return 0;
1911 }
1912
1913 /**
1914 * ipr_is_device - Determine if the hostrcb structure is related to a device
1915 * @hostrcb: host resource control blocks struct
1916 *
1917 * Return value:
1918 * 1 if AF / 0 if not AF
1919 **/
1920 static inline int ipr_is_device(struct ipr_hostrcb *hostrcb)
1921 {
1922 struct ipr_res_addr *res_addr;
1923 u8 *res_path;
1924
1925 if (hostrcb->ioa_cfg->sis64) {
1926 res_path = &hostrcb->hcam.u.error64.fd_res_path[0];
1927 if ((res_path[0] == 0x00 || res_path[0] == 0x80 ||
1928 res_path[0] == 0x81) && res_path[2] != 0xFF)
1929 return 1;
1930 } else {
1931 res_addr = &hostrcb->hcam.u.error.fd_res_addr;
1932
1933 if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
1934 (res_addr->target < (IPR_MAX_NUM_TARGETS_PER_BUS - 1)))
1935 return 1;
1936 }
1937 return 0;
1938 }
1939
1940 /**
1941 * ipr_sdt_is_fmt2 - Determine if a SDT address is in format 2
1942 * @sdt_word: SDT address
1943 *
1944 * Return value:
1945 * 1 if format 2 / 0 if not
1946 **/
1947 static inline int ipr_sdt_is_fmt2(u32 sdt_word)
1948 {
1949 u32 bar_sel = IPR_GET_FMT2_BAR_SEL(sdt_word);
1950
1951 switch (bar_sel) {
1952 case IPR_SDT_FMT2_BAR0_SEL:
1953 case IPR_SDT_FMT2_BAR1_SEL:
1954 case IPR_SDT_FMT2_BAR2_SEL:
1955 case IPR_SDT_FMT2_BAR3_SEL:
1956 case IPR_SDT_FMT2_BAR4_SEL:
1957 case IPR_SDT_FMT2_BAR5_SEL:
1958 case IPR_SDT_FMT2_EXP_ROM_SEL:
1959 return 1;
1960 };
1961
1962 return 0;
1963 }
1964
1965 #ifndef writeq
1966 static inline void writeq(u64 val, void __iomem *addr)
1967 {
1968 writel(((u32) (val >> 32)), addr);
1969 writel(((u32) (val)), (addr + 4));
1970 }
1971 #endif
1972
1973 #endif /* _IPR_H */
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