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/irq_poll.h>
  36 #include <scsi/scsi.h>
  37 #include <scsi/scsi_cmnd.h>
  38
  39 /*
  40  * Literals
  41  */
  42 #define IPR_DRIVER_VERSION "2.6.4"
  43 #define IPR_DRIVER_DATE "(March 14, 2017)"
  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 #define PCI_DEVICE_ID_IBM_RATTLESNAKE           0x04DA
  64
  65 #define IPR_SUBS_DEV_ID_2780    0x0264
  66 #define IPR_SUBS_DEV_ID_5702    0x0266
  67 #define IPR_SUBS_DEV_ID_5703    0x0278
  68 #define IPR_SUBS_DEV_ID_572E    0x028D
  69 #define IPR_SUBS_DEV_ID_573E    0x02D3
  70 #define IPR_SUBS_DEV_ID_573D    0x02D4
  71 #define IPR_SUBS_DEV_ID_571A    0x02C0
  72 #define IPR_SUBS_DEV_ID_571B    0x02BE
  73 #define IPR_SUBS_DEV_ID_571E    0x02BF
  74 #define IPR_SUBS_DEV_ID_571F    0x02D5
  75 #define IPR_SUBS_DEV_ID_572A    0x02C1
  76 #define IPR_SUBS_DEV_ID_572B    0x02C2
  77 #define IPR_SUBS_DEV_ID_572F    0x02C3
  78 #define IPR_SUBS_DEV_ID_574E    0x030A
  79 #define IPR_SUBS_DEV_ID_575B    0x030D
  80 #define IPR_SUBS_DEV_ID_575C    0x0338
  81 #define IPR_SUBS_DEV_ID_57B3    0x033A
  82 #define IPR_SUBS_DEV_ID_57B7    0x0360
  83 #define IPR_SUBS_DEV_ID_57B8    0x02C2
  84
  85 #define IPR_SUBS_DEV_ID_57B4    0x033B
  86 #define IPR_SUBS_DEV_ID_57B2    0x035F
  87 #define IPR_SUBS_DEV_ID_57C0    0x0352
  88 #define IPR_SUBS_DEV_ID_57C3    0x0353
  89 #define IPR_SUBS_DEV_ID_57C4    0x0354
  90 #define IPR_SUBS_DEV_ID_57C6    0x0357
  91 #define IPR_SUBS_DEV_ID_57CC    0x035C
  92
  93 #define IPR_SUBS_DEV_ID_57B5    0x033C
  94 #define IPR_SUBS_DEV_ID_57CE    0x035E
  95 #define IPR_SUBS_DEV_ID_57B1    0x0355
  96
  97 #define IPR_SUBS_DEV_ID_574D    0x0356
  98 #define IPR_SUBS_DEV_ID_57C8    0x035D
  99
 100 #define IPR_SUBS_DEV_ID_57D5    0x03FB
 101 #define IPR_SUBS_DEV_ID_57D6    0x03FC
 102 #define IPR_SUBS_DEV_ID_57D7    0x03FF
 103 #define IPR_SUBS_DEV_ID_57D8    0x03FE
 104 #define IPR_SUBS_DEV_ID_57D9    0x046D
 105 #define IPR_SUBS_DEV_ID_57DA    0x04CA
 106 #define IPR_SUBS_DEV_ID_57EB    0x0474
 107 #define IPR_SUBS_DEV_ID_57EC    0x0475
 108 #define IPR_SUBS_DEV_ID_57ED    0x0499
 109 #define IPR_SUBS_DEV_ID_57EE    0x049A
 110 #define IPR_SUBS_DEV_ID_57EF    0x049B
 111 #define IPR_SUBS_DEV_ID_57F0    0x049C
 112 #define IPR_SUBS_DEV_ID_2CCA    0x04C7
 113 #define IPR_SUBS_DEV_ID_2CD2    0x04C8
 114 #define IPR_SUBS_DEV_ID_2CCD    0x04C9
 115 #define IPR_SUBS_DEV_ID_580A    0x04FC
 116 #define IPR_SUBS_DEV_ID_580B    0x04FB
 117 #define IPR_NAME                                "ipr"
 118
 119 /*
 120  * Return codes
 121  */
 122 #define IPR_RC_JOB_CONTINUE             1
 123 #define IPR_RC_JOB_RETURN               2
 124
 125 /*
 126  * IOASCs
 127  */
 128 #define IPR_IOASC_NR_INIT_CMD_REQUIRED          0x02040200
 129 #define IPR_IOASC_NR_IOA_RESET_REQUIRED         0x02048000
 130 #define IPR_IOASC_SYNC_REQUIRED                 0x023f0000
 131 #define IPR_IOASC_MED_DO_NOT_REALLOC            0x03110C00
 132 #define IPR_IOASC_HW_SEL_TIMEOUT                        0x04050000
 133 #define IPR_IOASC_HW_DEV_BUS_STATUS                     0x04448500
 134 #define IPR_IOASC_IOASC_MASK                    0xFFFFFF00
 135 #define IPR_IOASC_SCSI_STATUS_MASK              0x000000FF
 136 #define IPR_IOASC_HW_CMD_FAILED                 0x046E0000
 137 #define IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT    0x05240000
 138 #define IPR_IOASC_IR_RESOURCE_HANDLE            0x05250000
 139 #define IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA         0x05258100
 140 #define IPR_IOASA_IR_DUAL_IOA_DISABLED          0x052C8000
 141 #define IPR_IOASC_BUS_WAS_RESET                 0x06290000
 142 #define IPR_IOASC_BUS_WAS_RESET_BY_OTHER                0x06298000
 143 #define IPR_IOASC_ABORTED_CMD_TERM_BY_HOST      0x0B5A0000
 144 #define IPR_IOASC_IR_NON_OPTIMIZED              0x05258200
 145
 146 #define IPR_FIRST_DRIVER_IOASC                  0x10000000
 147 #define IPR_IOASC_IOA_WAS_RESET                 0x10000001
 148 #define IPR_IOASC_PCI_ACCESS_ERROR                      0x10000002
 149
 150 /* Driver data flags */
 151 #define IPR_USE_LONG_TRANSOP_TIMEOUT            0x00000001
 152 #define IPR_USE_PCI_WARM_RESET                  0x00000002
 153
 154 #define IPR_DEFAULT_MAX_ERROR_DUMP                      984
 155 #define IPR_NUM_LOG_HCAMS                               2
 156 #define IPR_NUM_CFG_CHG_HCAMS                           2
 157 #define IPR_NUM_HCAM_QUEUE                              12
 158 #define IPR_NUM_HCAMS   (IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS)
 159 #define IPR_MAX_HCAMS   (IPR_NUM_HCAMS + IPR_NUM_HCAM_QUEUE)
 160
 161 #define IPR_MAX_SIS64_TARGETS_PER_BUS                   1024
 162 #define IPR_MAX_SIS64_LUNS_PER_TARGET                   0xffffffff
 163
 164 #define IPR_MAX_NUM_TARGETS_PER_BUS                     256
 165 #define IPR_MAX_NUM_LUNS_PER_TARGET                     256
 166 #define IPR_VSET_BUS                                    0xff
 167 #define IPR_IOA_BUS                                             0xff
 168 #define IPR_IOA_TARGET                                  0xff
 169 #define IPR_IOA_LUN                                             0xff
 170 #define IPR_MAX_NUM_BUSES                               16
 171
 172 #define IPR_NUM_RESET_RELOAD_RETRIES            3
 173
 174 /* We need resources for HCAMS, IOA reset, IOA bringdown, and ERP */
 175 #define IPR_NUM_INTERNAL_CMD_BLKS       (IPR_NUM_HCAMS + \
 176                                      ((IPR_NUM_RESET_RELOAD_RETRIES + 1) * 2) + 4)
 177
 178 #define IPR_MAX_COMMANDS                100
 179 #define IPR_NUM_CMD_BLKS                (IPR_NUM_BASE_CMD_BLKS + \
 180                                                 IPR_NUM_INTERNAL_CMD_BLKS)
 181
 182 #define IPR_MAX_PHYSICAL_DEVS                           192
 183 #define IPR_DEFAULT_SIS64_DEVS                          1024
 184 #define IPR_MAX_SIS64_DEVS                              4096
 185
 186 #define IPR_MAX_SGLIST                                  64
 187 #define IPR_IOA_MAX_SECTORS                             32767
 188 #define IPR_VSET_MAX_SECTORS                            512
 189 #define IPR_MAX_CDB_LEN                                 16
 190 #define IPR_MAX_HRRQ_RETRIES                            3
 191
 192 #define IPR_DEFAULT_BUS_WIDTH                           16
 193 #define IPR_80MBs_SCSI_RATE             ((80 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
 194 #define IPR_U160_SCSI_RATE      ((160 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
 195 #define IPR_U320_SCSI_RATE      ((320 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
 196 #define IPR_MAX_SCSI_RATE(width) ((320 * 10) / ((width) / 8))
 197
 198 #define IPR_IOA_RES_HANDLE                              0xffffffff
 199 #define IPR_INVALID_RES_HANDLE                  0
 200 #define IPR_IOA_RES_ADDR                                0x00ffffff
 201
 202 /*
 203  * Adapter Commands
 204  */
 205 #define IPR_CANCEL_REQUEST                              0xC0
 206 #define IPR_CANCEL_64BIT_IOARCB                 0x01
 207 #define IPR_QUERY_RSRC_STATE                            0xC2
 208 #define IPR_RESET_DEVICE                                0xC3
 209 #define IPR_RESET_TYPE_SELECT                           0x80
 210 #define IPR_LUN_RESET                                   0x40
 211 #define IPR_TARGET_RESET                                        0x20
 212 #define IPR_BUS_RESET                                   0x10
 213 #define IPR_ATA_PHY_RESET                                       0x80
 214 #define IPR_ID_HOST_RR_Q                                0xC4
 215 #define IPR_QUERY_IOA_CONFIG                            0xC5
 216 #define IPR_CANCEL_ALL_REQUESTS                 0xCE
 217 #define IPR_HOST_CONTROLLED_ASYNC                       0xCF
 218 #define IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE      0x01
 219 #define IPR_HCAM_CDB_OP_CODE_LOG_DATA           0x02
 220 #define IPR_SET_SUPPORTED_DEVICES                       0xFB
 221 #define IPR_SET_ALL_SUPPORTED_DEVICES                   0x80
 222 #define IPR_IOA_SHUTDOWN                                0xF7
 223 #define IPR_WR_BUF_DOWNLOAD_AND_SAVE                    0x05
 224 #define IPR_IOA_SERVICE_ACTION                          0xD2
 225
 226 /* IOA Service Actions */
 227 #define IPR_IOA_SA_CHANGE_CACHE_PARAMS                  0x14
 228
 229 /*
 230  * Timeouts
 231  */
 232 #define IPR_SHUTDOWN_TIMEOUT                    (ipr_fastfail ? 60 * HZ : 10 * 60 * HZ)
 233 #define IPR_VSET_RW_TIMEOUT                     (ipr_fastfail ? 30 * HZ : 2 * 60 * HZ)
 234 #define IPR_ABBREV_SHUTDOWN_TIMEOUT             (10 * HZ)
 235 #define IPR_DUAL_IOA_ABBR_SHUTDOWN_TO   (2 * 60 * HZ)
 236 #define IPR_DEVICE_RESET_TIMEOUT                (ipr_fastfail ? 10 * HZ : 30 * HZ)
 237 #define IPR_CANCEL_TIMEOUT                      (ipr_fastfail ? 10 * HZ : 30 * HZ)
 238 #define IPR_CANCEL_ALL_TIMEOUT          (ipr_fastfail ? 10 * HZ : 30 * HZ)
 239 #define IPR_ABORT_TASK_TIMEOUT          (ipr_fastfail ? 10 * HZ : 30 * HZ)
 240 #define IPR_INTERNAL_TIMEOUT                    (ipr_fastfail ? 10 * HZ : 30 * HZ)
 241 #define IPR_WRITE_BUFFER_TIMEOUT                (30 * 60 * HZ)
 242 #define IPR_SET_SUP_DEVICE_TIMEOUT              (2 * 60 * HZ)
 243 #define IPR_REQUEST_SENSE_TIMEOUT               (10 * HZ)
 244 #define IPR_OPERATIONAL_TIMEOUT         (5 * 60)
 245 #define IPR_LONG_OPERATIONAL_TIMEOUT    (12 * 60)
 246 #define IPR_WAIT_FOR_RESET_TIMEOUT              (2 * HZ)
 247 #define IPR_CHECK_FOR_RESET_TIMEOUT             (HZ / 10)
 248 #define IPR_WAIT_FOR_BIST_TIMEOUT               (2 * HZ)
 249 #define IPR_PCI_ERROR_RECOVERY_TIMEOUT  (120 * HZ)
 250 #define IPR_PCI_RESET_TIMEOUT                   (HZ / 2)
 251 #define IPR_SIS32_DUMP_TIMEOUT                  (15 * HZ)
 252 #define IPR_SIS64_DUMP_TIMEOUT                  (40 * HZ)
 253 #define IPR_DUMP_DELAY_SECONDS                  4
 254 #define IPR_DUMP_DELAY_TIMEOUT                  (IPR_DUMP_DELAY_SECONDS * HZ)
 255
 256 /*
 257  * SCSI Literals
 258  */
 259 #define IPR_VENDOR_ID_LEN                       8
 260 #define IPR_PROD_ID_LEN                         16
 261 #define IPR_SERIAL_NUM_LEN                      8
 262
 263 /*
 264  * Hardware literals
 265  */
 266 #define IPR_FMT2_MBX_ADDR_MASK                          0x0fffffff
 267 #define IPR_FMT2_MBX_BAR_SEL_MASK                       0xf0000000
 268 #define IPR_FMT2_MKR_BAR_SEL_SHIFT                      28
 269 #define IPR_GET_FMT2_BAR_SEL(mbx) \
 270 (((mbx) & IPR_FMT2_MBX_BAR_SEL_MASK) >> IPR_FMT2_MKR_BAR_SEL_SHIFT)
 271 #define IPR_SDT_FMT2_BAR0_SEL                           0x0
 272 #define IPR_SDT_FMT2_BAR1_SEL                           0x1
 273 #define IPR_SDT_FMT2_BAR2_SEL                           0x2
 274 #define IPR_SDT_FMT2_BAR3_SEL                           0x3
 275 #define IPR_SDT_FMT2_BAR4_SEL                           0x4
 276 #define IPR_SDT_FMT2_BAR5_SEL                           0x5
 277 #define IPR_SDT_FMT2_EXP_ROM_SEL                        0x8
 278 #define IPR_FMT2_SDT_READY_TO_USE                       0xC4D4E3F2
 279 #define IPR_FMT3_SDT_READY_TO_USE                       0xC4D4E3F3
 280 #define IPR_DOORBELL                                    0x82800000
 281 #define IPR_RUNTIME_RESET                               0x40000000
 282
 283 #define IPR_IPL_INIT_MIN_STAGE_TIME                     5
 284 #define IPR_IPL_INIT_DEFAULT_STAGE_TIME                 30
 285 #define IPR_IPL_INIT_STAGE_UNKNOWN                      0x0
 286 #define IPR_IPL_INIT_STAGE_TRANSOP                      0xB0000000
 287 #define IPR_IPL_INIT_STAGE_MASK                         0xff000000
 288 #define IPR_IPL_INIT_STAGE_TIME_MASK                    0x0000ffff
 289 #define IPR_PCII_IPL_STAGE_CHANGE                       (0x80000000 >> 0)
 290
 291 #define IPR_PCII_MAILBOX_STABLE                         (0x80000000 >> 4)
 292 #define IPR_WAIT_FOR_MAILBOX                            (2 * HZ)
 293
 294 #define IPR_PCII_IOA_TRANS_TO_OPER                      (0x80000000 >> 0)
 295 #define IPR_PCII_IOARCB_XFER_FAILED                     (0x80000000 >> 3)
 296 #define IPR_PCII_IOA_UNIT_CHECKED                       (0x80000000 >> 4)
 297 #define IPR_PCII_NO_HOST_RRQ                            (0x80000000 >> 5)
 298 #define IPR_PCII_CRITICAL_OPERATION                     (0x80000000 >> 6)
 299 #define IPR_PCII_IO_DEBUG_ACKNOWLEDGE           (0x80000000 >> 7)
 300 #define IPR_PCII_IOARRIN_LOST                           (0x80000000 >> 27)
 301 #define IPR_PCII_MMIO_ERROR                             (0x80000000 >> 28)
 302 #define IPR_PCII_PROC_ERR_STATE                 (0x80000000 >> 29)
 303 #define IPR_PCII_HRRQ_UPDATED                           (0x80000000 >> 30)
 304 #define IPR_PCII_CORE_ISSUED_RST_REQ            (0x80000000 >> 31)
 305
 306 #define IPR_PCII_ERROR_INTERRUPTS \
 307 (IPR_PCII_IOARCB_XFER_FAILED | IPR_PCII_IOA_UNIT_CHECKED | \
 308 IPR_PCII_NO_HOST_RRQ | IPR_PCII_IOARRIN_LOST | IPR_PCII_MMIO_ERROR)
 309
 310 #define IPR_PCII_OPER_INTERRUPTS \
 311 (IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED | IPR_PCII_IOA_TRANS_TO_OPER)
 312
 313 #define IPR_UPROCI_RESET_ALERT                  (0x80000000 >> 7)
 314 #define IPR_UPROCI_IO_DEBUG_ALERT                       (0x80000000 >> 9)
 315 #define IPR_UPROCI_SIS64_START_BIST                     (0x80000000 >> 23)
 316
 317 #define IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC            200000  /* 200 ms */
 318 #define IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC           200000  /* 200 ms */
 319
 320 /*
 321  * Dump literals
 322  */
 323 #define IPR_FMT2_MAX_IOA_DUMP_SIZE                      (4 * 1024 * 1024)
 324 #define IPR_FMT3_MAX_IOA_DUMP_SIZE                      (80 * 1024 * 1024)
 325 #define IPR_FMT2_NUM_SDT_ENTRIES                        511
 326 #define IPR_FMT3_NUM_SDT_ENTRIES                        0xFFF
 327 #define IPR_FMT2_MAX_NUM_DUMP_PAGES     ((IPR_FMT2_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
 328 #define IPR_FMT3_MAX_NUM_DUMP_PAGES     ((IPR_FMT3_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
 329
 330 /*
 331  * Misc literals
 332  */
 333 #define IPR_NUM_IOADL_ENTRIES                   IPR_MAX_SGLIST
 334 #define IPR_MAX_MSIX_VECTORS            0x10
 335 #define IPR_MAX_HRRQ_NUM                0x10
 336 #define IPR_INIT_HRRQ                   0x0
 337
 338 /*
 339  * Adapter interface types
 340  */
 341
 342 struct ipr_res_addr {
 343         u8 reserved;
 344         u8 bus;
 345         u8 target;
 346         u8 lun;
 347 #define IPR_GET_PHYS_LOC(res_addr) \
 348         (((res_addr).bus << 16) | ((res_addr).target << 8) | (res_addr).lun)
 349 }__attribute__((packed, aligned (4)));
 350
 351 struct ipr_std_inq_vpids {
 352         u8 vendor_id[IPR_VENDOR_ID_LEN];
 353         u8 product_id[IPR_PROD_ID_LEN];
 354 }__attribute__((packed));
 355
 356 struct ipr_vpd {
 357         struct ipr_std_inq_vpids vpids;
 358         u8 sn[IPR_SERIAL_NUM_LEN];
 359 }__attribute__((packed));
 360
 361 struct ipr_ext_vpd {
 362         struct ipr_vpd vpd;
 363         __be32 wwid[2];
 364 }__attribute__((packed));
 365
 366 struct ipr_ext_vpd64 {
 367         struct ipr_vpd vpd;
 368         __be32 wwid[4];
 369 }__attribute__((packed));
 370
 371 struct ipr_std_inq_data {
 372         u8 peri_qual_dev_type;
 373 #define IPR_STD_INQ_PERI_QUAL(peri) ((peri) >> 5)
 374 #define IPR_STD_INQ_PERI_DEV_TYPE(peri) ((peri) & 0x1F)
 375
 376         u8 removeable_medium_rsvd;
 377 #define IPR_STD_INQ_REMOVEABLE_MEDIUM 0x80
 378
 379 #define IPR_IS_DASD_DEVICE(std_inq) \
 380 ((IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_DISK) && \
 381 !(((std_inq).removeable_medium_rsvd) & IPR_STD_INQ_REMOVEABLE_MEDIUM))
 382
 383 #define IPR_IS_SES_DEVICE(std_inq) \
 384 (IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_ENCLOSURE)
 385
 386         u8 version;
 387         u8 aen_naca_fmt;
 388         u8 additional_len;
 389         u8 sccs_rsvd;
 390         u8 bq_enc_multi;
 391         u8 sync_cmdq_flags;
 392
 393         struct ipr_std_inq_vpids vpids;
 394
 395         u8 ros_rsvd_ram_rsvd[4];
 396
 397         u8 serial_num[IPR_SERIAL_NUM_LEN];
 398 }__attribute__ ((packed));
 399
 400 #define IPR_RES_TYPE_AF_DASD            0x00
 401 #define IPR_RES_TYPE_GENERIC_SCSI       0x01
 402 #define IPR_RES_TYPE_VOLUME_SET         0x02
 403 #define IPR_RES_TYPE_REMOTE_AF_DASD     0x03
 404 #define IPR_RES_TYPE_GENERIC_ATA        0x04
 405 #define IPR_RES_TYPE_ARRAY              0x05
 406 #define IPR_RES_TYPE_IOAFP              0xff
 407
 408 struct ipr_config_table_entry {
 409         u8 proto;
 410 #define IPR_PROTO_SATA                  0x02
 411 #define IPR_PROTO_SATA_ATAPI            0x03
 412 #define IPR_PROTO_SAS_STP               0x06
 413 #define IPR_PROTO_SAS_STP_ATAPI         0x07
 414         u8 array_id;
 415         u8 flags;
 416 #define IPR_IS_IOA_RESOURCE             0x80
 417         u8 rsvd_subtype;
 418
 419 #define IPR_QUEUEING_MODEL(res) ((((res)->flags) & 0x70) >> 4)
 420 #define IPR_QUEUE_FROZEN_MODEL          0
 421 #define IPR_QUEUE_NACA_MODEL            1
 422
 423         struct ipr_res_addr res_addr;
 424         __be32 res_handle;
 425         __be32 lun_wwn[2];
 426         struct ipr_std_inq_data std_inq_data;
 427 }__attribute__ ((packed, aligned (4)));
 428
 429 struct ipr_config_table_entry64 {
 430         u8 res_type;
 431         u8 proto;
 432         u8 vset_num;
 433         u8 array_id;
 434         __be16 flags;
 435         __be16 res_flags;
 436 #define IPR_QUEUEING_MODEL64(res) ((((res)->res_flags) & 0x7000) >> 12)
 437         __be32 res_handle;
 438         u8 dev_id_type;
 439         u8 reserved[3];
 440         __be64 dev_id;
 441         __be64 lun;
 442         __be64 lun_wwn[2];
 443 #define IPR_MAX_RES_PATH_LENGTH         48
 444         __be64 res_path;
 445         struct ipr_std_inq_data std_inq_data;
 446         u8 reserved2[4];
 447         __be64 reserved3[2];
 448         u8 reserved4[8];
 449 }__attribute__ ((packed, aligned (8)));
 450
 451 struct ipr_config_table_hdr {
 452         u8 num_entries;
 453         u8 flags;
 454 #define IPR_UCODE_DOWNLOAD_REQ  0x10
 455         __be16 reserved;
 456 }__attribute__((packed, aligned (4)));
 457
 458 struct ipr_config_table_hdr64 {
 459         __be16 num_entries;
 460         __be16 reserved;
 461         u8 flags;
 462         u8 reserved2[11];
 463 }__attribute__((packed, aligned (4)));
 464
 465 struct ipr_config_table {
 466         struct ipr_config_table_hdr hdr;
 467         struct ipr_config_table_entry dev[0];
 468 }__attribute__((packed, aligned (4)));
 469
 470 struct ipr_config_table64 {
 471         struct ipr_config_table_hdr64 hdr64;
 472         struct ipr_config_table_entry64 dev[0];
 473 }__attribute__((packed, aligned (8)));
 474
 475 struct ipr_config_table_entry_wrapper {
 476         union {
 477                 struct ipr_config_table_entry *cfgte;
 478                 struct ipr_config_table_entry64 *cfgte64;
 479         } u;
 480 };
 481
 482 struct ipr_hostrcb_cfg_ch_not {
 483         union {
 484                 struct ipr_config_table_entry cfgte;
 485                 struct ipr_config_table_entry64 cfgte64;
 486         } u;
 487         u8 reserved[936];
 488 }__attribute__((packed, aligned (4)));
 489
 490 struct ipr_supported_device {
 491         __be16 data_length;
 492         u8 reserved;
 493         u8 num_records;
 494         struct ipr_std_inq_vpids vpids;
 495         u8 reserved2[16];
 496 }__attribute__((packed, aligned (4)));
 497
 498 struct ipr_hrr_queue {
 499         struct ipr_ioa_cfg *ioa_cfg;
 500         __be32 *host_rrq;
 501         dma_addr_t host_rrq_dma;
 502 #define IPR_HRRQ_REQ_RESP_HANDLE_MASK   0xfffffffc
 503 #define IPR_HRRQ_RESP_BIT_SET           0x00000002
 504 #define IPR_HRRQ_TOGGLE_BIT             0x00000001
 505 #define IPR_HRRQ_REQ_RESP_HANDLE_SHIFT  2
 506 #define IPR_ID_HRRQ_SELE_ENABLE         0x02
 507         volatile __be32 *hrrq_start;
 508         volatile __be32 *hrrq_end;
 509         volatile __be32 *hrrq_curr;
 510
 511         struct list_head hrrq_free_q;
 512         struct list_head hrrq_pending_q;
 513         spinlock_t _lock;
 514         spinlock_t *lock;
 515
 516         volatile u32 toggle_bit;
 517         u32 size;
 518         u32 min_cmd_id;
 519         u32 max_cmd_id;
 520         u8 allow_interrupts:1;
 521         u8 ioa_is_dead:1;
 522         u8 allow_cmds:1;
 523         u8 removing_ioa:1;
 524
 525         struct irq_poll iopoll;
 526 };
 527
 528 /* Command packet structure */
 529 struct ipr_cmd_pkt {
 530         u8 reserved;            /* Reserved by IOA */
 531         u8 hrrq_id;
 532         u8 request_type;
 533 #define IPR_RQTYPE_SCSICDB              0x00
 534 #define IPR_RQTYPE_IOACMD               0x01
 535 #define IPR_RQTYPE_HCAM                 0x02
 536 #define IPR_RQTYPE_ATA_PASSTHRU 0x04
 537 #define IPR_RQTYPE_PIPE                 0x05
 538
 539         u8 reserved2;
 540
 541         u8 flags_hi;
 542 #define IPR_FLAGS_HI_WRITE_NOT_READ             0x80
 543 #define IPR_FLAGS_HI_NO_ULEN_CHK                0x20
 544 #define IPR_FLAGS_HI_SYNC_OVERRIDE              0x10
 545 #define IPR_FLAGS_HI_SYNC_COMPLETE              0x08
 546 #define IPR_FLAGS_HI_NO_LINK_DESC               0x04
 547
 548         u8 flags_lo;
 549 #define IPR_FLAGS_LO_ALIGNED_BFR                0x20
 550 #define IPR_FLAGS_LO_DELAY_AFTER_RST            0x10
 551 #define IPR_FLAGS_LO_UNTAGGED_TASK              0x00
 552 #define IPR_FLAGS_LO_SIMPLE_TASK                0x02
 553 #define IPR_FLAGS_LO_ORDERED_TASK               0x04
 554 #define IPR_FLAGS_LO_HEAD_OF_Q_TASK             0x06
 555 #define IPR_FLAGS_LO_ACA_TASK                   0x08
 556
 557         u8 cdb[16];
 558         __be16 timeout;
 559 }__attribute__ ((packed, aligned(4)));
 560
 561 struct ipr_ioarcb_ata_regs {    /* 22 bytes */
 562         u8 flags;
 563 #define IPR_ATA_FLAG_PACKET_CMD                 0x80
 564 #define IPR_ATA_FLAG_XFER_TYPE_DMA                      0x40
 565 #define IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION  0x20
 566         u8 reserved[3];
 567
 568         __be16 data;
 569         u8 feature;
 570         u8 nsect;
 571         u8 lbal;
 572         u8 lbam;
 573         u8 lbah;
 574         u8 device;
 575         u8 command;
 576         u8 reserved2[3];
 577         u8 hob_feature;
 578         u8 hob_nsect;
 579         u8 hob_lbal;
 580         u8 hob_lbam;
 581         u8 hob_lbah;
 582         u8 ctl;
 583 }__attribute__ ((packed, aligned(2)));
 584
 585 struct ipr_ioadl_desc {
 586         __be32 flags_and_data_len;
 587 #define IPR_IOADL_FLAGS_MASK            0xff000000
 588 #define IPR_IOADL_GET_FLAGS(x) (be32_to_cpu(x) & IPR_IOADL_FLAGS_MASK)
 589 #define IPR_IOADL_DATA_LEN_MASK         0x00ffffff
 590 #define IPR_IOADL_GET_DATA_LEN(x) (be32_to_cpu(x) & IPR_IOADL_DATA_LEN_MASK)
 591 #define IPR_IOADL_FLAGS_READ            0x48000000
 592 #define IPR_IOADL_FLAGS_READ_LAST       0x49000000
 593 #define IPR_IOADL_FLAGS_WRITE           0x68000000
 594 #define IPR_IOADL_FLAGS_WRITE_LAST      0x69000000
 595 #define IPR_IOADL_FLAGS_LAST            0x01000000
 596
 597         __be32 address;
 598 }__attribute__((packed, aligned (8)));
 599
 600 struct ipr_ioadl64_desc {
 601         __be32 flags;
 602         __be32 data_len;
 603         __be64 address;
 604 }__attribute__((packed, aligned (16)));
 605
 606 struct ipr_ata64_ioadl {
 607         struct ipr_ioarcb_ata_regs regs;
 608         u16 reserved[5];
 609         struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
 610 }__attribute__((packed, aligned (16)));
 611
 612 struct ipr_ioarcb_add_data {
 613         union {
 614                 struct ipr_ioarcb_ata_regs regs;
 615                 struct ipr_ioadl_desc ioadl[5];
 616                 __be32 add_cmd_parms[10];
 617         } u;
 618 }__attribute__ ((packed, aligned (4)));
 619
 620 struct ipr_ioarcb_sis64_add_addr_ecb {
 621         __be64 ioasa_host_pci_addr;
 622         __be64 data_ioadl_addr;
 623         __be64 reserved;
 624         __be32 ext_control_buf[4];
 625 }__attribute__((packed, aligned (8)));
 626
 627 /* IOA Request Control Block    128 bytes  */
 628 struct ipr_ioarcb {
 629         union {
 630                 __be32 ioarcb_host_pci_addr;
 631                 __be64 ioarcb_host_pci_addr64;
 632         } a;
 633         __be32 res_handle;
 634         __be32 host_response_handle;
 635         __be32 reserved1;
 636         __be32 reserved2;
 637         __be32 reserved3;
 638
 639         __be32 data_transfer_length;
 640         __be32 read_data_transfer_length;
 641         __be32 write_ioadl_addr;
 642         __be32 ioadl_len;
 643         __be32 read_ioadl_addr;
 644         __be32 read_ioadl_len;
 645
 646         __be32 ioasa_host_pci_addr;
 647         __be16 ioasa_len;
 648         __be16 reserved4;
 649
 650         struct ipr_cmd_pkt cmd_pkt;
 651
 652         __be16 add_cmd_parms_offset;
 653         __be16 add_cmd_parms_len;
 654
 655         union {
 656                 struct ipr_ioarcb_add_data add_data;
 657                 struct ipr_ioarcb_sis64_add_addr_ecb sis64_addr_data;
 658         } u;
 659
 660 }__attribute__((packed, aligned (4)));
 661
 662 struct ipr_ioasa_vset {
 663         __be32 failing_lba_hi;
 664         __be32 failing_lba_lo;
 665         __be32 reserved;
 666 }__attribute__((packed, aligned (4)));
 667
 668 struct ipr_ioasa_af_dasd {
 669         __be32 failing_lba;
 670         __be32 reserved[2];
 671 }__attribute__((packed, aligned (4)));
 672
 673 struct ipr_ioasa_gpdd {
 674         u8 end_state;
 675         u8 bus_phase;
 676         __be16 reserved;
 677         __be32 ioa_data[2];
 678 }__attribute__((packed, aligned (4)));
 679
 680 struct ipr_ioasa_gata {
 681         u8 error;
 682         u8 nsect;               /* Interrupt reason */
 683         u8 lbal;
 684         u8 lbam;
 685         u8 lbah;
 686         u8 device;
 687         u8 status;
 688         u8 alt_status;  /* ATA CTL */
 689         u8 hob_nsect;
 690         u8 hob_lbal;
 691         u8 hob_lbam;
 692         u8 hob_lbah;
 693 }__attribute__((packed, aligned (4)));
 694
 695 struct ipr_auto_sense {
 696         __be16 auto_sense_len;
 697         __be16 ioa_data_len;
 698         __be32 data[SCSI_SENSE_BUFFERSIZE/sizeof(__be32)];
 699 };
 700
 701 struct ipr_ioasa_hdr {
 702         __be32 ioasc;
 703 #define IPR_IOASC_SENSE_KEY(ioasc) ((ioasc) >> 24)
 704 #define IPR_IOASC_SENSE_CODE(ioasc) (((ioasc) & 0x00ff0000) >> 16)
 705 #define IPR_IOASC_SENSE_QUAL(ioasc) (((ioasc) & 0x0000ff00) >> 8)
 706 #define IPR_IOASC_SENSE_STATUS(ioasc) ((ioasc) & 0x000000ff)
 707
 708         __be16 ret_stat_len;    /* Length of the returned IOASA */
 709
 710         __be16 avail_stat_len;  /* Total Length of status available. */
 711
 712         __be32 residual_data_len;       /* number of bytes in the host data */
 713         /* buffers that were not used by the IOARCB command. */
 714
 715         __be32 ilid;
 716 #define IPR_NO_ILID                     0
 717 #define IPR_DRIVER_ILID         0xffffffff
 718
 719         __be32 fd_ioasc;
 720
 721         __be32 fd_phys_locator;
 722
 723         __be32 fd_res_handle;
 724
 725         __be32 ioasc_specific;  /* status code specific field */
 726 #define IPR_ADDITIONAL_STATUS_FMT               0x80000000
 727 #define IPR_AUTOSENSE_VALID                     0x40000000
 728 #define IPR_ATA_DEVICE_WAS_RESET                0x20000000
 729 #define IPR_IOASC_SPECIFIC_MASK         0x00ffffff
 730 #define IPR_FIELD_POINTER_VALID         (0x80000000 >> 8)
 731 #define IPR_FIELD_POINTER_MASK          0x0000ffff
 732
 733 }__attribute__((packed, aligned (4)));
 734
 735 struct ipr_ioasa {
 736         struct ipr_ioasa_hdr hdr;
 737
 738         union {
 739                 struct ipr_ioasa_vset vset;
 740                 struct ipr_ioasa_af_dasd dasd;
 741                 struct ipr_ioasa_gpdd gpdd;
 742                 struct ipr_ioasa_gata gata;
 743         } u;
 744
 745         struct ipr_auto_sense auto_sense;
 746 }__attribute__((packed, aligned (4)));
 747
 748 struct ipr_ioasa64 {
 749         struct ipr_ioasa_hdr hdr;
 750         u8 fd_res_path[8];
 751
 752         union {
 753                 struct ipr_ioasa_vset vset;
 754                 struct ipr_ioasa_af_dasd dasd;
 755                 struct ipr_ioasa_gpdd gpdd;
 756                 struct ipr_ioasa_gata gata;
 757         } u;
 758
 759         struct ipr_auto_sense auto_sense;
 760 }__attribute__((packed, aligned (4)));
 761
 762 struct ipr_mode_parm_hdr {
 763         u8 length;
 764         u8 medium_type;
 765         u8 device_spec_parms;
 766         u8 block_desc_len;
 767 }__attribute__((packed));
 768
 769 struct ipr_mode_pages {
 770         struct ipr_mode_parm_hdr hdr;
 771         u8 data[255 - sizeof(struct ipr_mode_parm_hdr)];
 772 }__attribute__((packed));
 773
 774 struct ipr_mode_page_hdr {
 775         u8 ps_page_code;
 776 #define IPR_MODE_PAGE_PS        0x80
 777 #define IPR_GET_MODE_PAGE_CODE(hdr) ((hdr)->ps_page_code & 0x3F)
 778         u8 page_length;
 779 }__attribute__ ((packed));
 780
 781 struct ipr_dev_bus_entry {
 782         struct ipr_res_addr res_addr;
 783         u8 flags;
 784 #define IPR_SCSI_ATTR_ENABLE_QAS                        0x80
 785 #define IPR_SCSI_ATTR_DISABLE_QAS                       0x40
 786 #define IPR_SCSI_ATTR_QAS_MASK                          0xC0
 787 #define IPR_SCSI_ATTR_ENABLE_TM                         0x20
 788 #define IPR_SCSI_ATTR_NO_TERM_PWR                       0x10
 789 #define IPR_SCSI_ATTR_TM_SUPPORTED                      0x08
 790 #define IPR_SCSI_ATTR_LVD_TO_SE_NOT_ALLOWED     0x04
 791
 792         u8 scsi_id;
 793         u8 bus_width;
 794         u8 extended_reset_delay;
 795 #define IPR_EXTENDED_RESET_DELAY        7
 796
 797         __be32 max_xfer_rate;
 798
 799         u8 spinup_delay;
 800         u8 reserved3;
 801         __be16 reserved4;
 802 }__attribute__((packed, aligned (4)));
 803
 804 struct ipr_mode_page28 {
 805         struct ipr_mode_page_hdr hdr;
 806         u8 num_entries;
 807         u8 entry_length;
 808         struct ipr_dev_bus_entry bus[0];
 809 }__attribute__((packed));
 810
 811 struct ipr_mode_page24 {
 812         struct ipr_mode_page_hdr hdr;
 813         u8 flags;
 814 #define IPR_ENABLE_DUAL_IOA_AF 0x80
 815 }__attribute__((packed));
 816
 817 struct ipr_ioa_vpd {
 818         struct ipr_std_inq_data std_inq_data;
 819         u8 ascii_part_num[12];
 820         u8 reserved[40];
 821         u8 ascii_plant_code[4];
 822 }__attribute__((packed));
 823
 824 struct ipr_inquiry_page3 {
 825         u8 peri_qual_dev_type;
 826         u8 page_code;
 827         u8 reserved1;
 828         u8 page_length;
 829         u8 ascii_len;
 830         u8 reserved2[3];
 831         u8 load_id[4];
 832         u8 major_release;
 833         u8 card_type;
 834         u8 minor_release[2];
 835         u8 ptf_number[4];
 836         u8 patch_number[4];
 837 }__attribute__((packed));
 838
 839 struct ipr_inquiry_cap {
 840         u8 peri_qual_dev_type;
 841         u8 page_code;
 842         u8 reserved1;
 843         u8 page_length;
 844         u8 ascii_len;
 845         u8 reserved2;
 846         u8 sis_version[2];
 847         u8 cap;
 848 #define IPR_CAP_DUAL_IOA_RAID           0x80
 849         u8 reserved3[15];
 850 }__attribute__((packed));
 851
 852 #define IPR_INQUIRY_PAGE0_ENTRIES 20
 853 struct ipr_inquiry_page0 {
 854         u8 peri_qual_dev_type;
 855         u8 page_code;
 856         u8 reserved1;
 857         u8 len;
 858         u8 page[IPR_INQUIRY_PAGE0_ENTRIES];
 859 }__attribute__((packed));
 860
 861 struct ipr_inquiry_pageC4 {
 862         u8 peri_qual_dev_type;
 863         u8 page_code;
 864         u8 reserved1;
 865         u8 len;
 866         u8 cache_cap[4];
 867 #define IPR_CAP_SYNC_CACHE              0x08
 868         u8 reserved2[20];
 869 } __packed;
 870
 871 struct ipr_hostrcb_device_data_entry {
 872         struct ipr_vpd vpd;
 873         struct ipr_res_addr dev_res_addr;
 874         struct ipr_vpd new_vpd;
 875         struct ipr_vpd ioa_last_with_dev_vpd;
 876         struct ipr_vpd cfc_last_with_dev_vpd;
 877         __be32 ioa_data[5];
 878 }__attribute__((packed, aligned (4)));
 879
 880 struct ipr_hostrcb_device_data_entry_enhanced {
 881         struct ipr_ext_vpd vpd;
 882         u8 ccin[4];
 883         struct ipr_res_addr dev_res_addr;
 884         struct ipr_ext_vpd new_vpd;
 885         u8 new_ccin[4];
 886         struct ipr_ext_vpd ioa_last_with_dev_vpd;
 887         struct ipr_ext_vpd cfc_last_with_dev_vpd;
 888 }__attribute__((packed, aligned (4)));
 889
 890 struct ipr_hostrcb64_device_data_entry_enhanced {
 891         struct ipr_ext_vpd vpd;
 892         u8 ccin[4];
 893         u8 res_path[8];
 894         struct ipr_ext_vpd new_vpd;
 895         u8 new_ccin[4];
 896         struct ipr_ext_vpd ioa_last_with_dev_vpd;
 897         struct ipr_ext_vpd cfc_last_with_dev_vpd;
 898 }__attribute__((packed, aligned (4)));
 899
 900 struct ipr_hostrcb_array_data_entry {
 901         struct ipr_vpd vpd;
 902         struct ipr_res_addr expected_dev_res_addr;
 903         struct ipr_res_addr dev_res_addr;
 904 }__attribute__((packed, aligned (4)));
 905
 906 struct ipr_hostrcb64_array_data_entry {
 907         struct ipr_ext_vpd vpd;
 908         u8 ccin[4];
 909         u8 expected_res_path[8];
 910         u8 res_path[8];
 911 }__attribute__((packed, aligned (4)));
 912
 913 struct ipr_hostrcb_array_data_entry_enhanced {
 914         struct ipr_ext_vpd vpd;
 915         u8 ccin[4];
 916         struct ipr_res_addr expected_dev_res_addr;
 917         struct ipr_res_addr dev_res_addr;
 918 }__attribute__((packed, aligned (4)));
 919
 920 struct ipr_hostrcb_type_ff_error {
 921         __be32 ioa_data[758];
 922 }__attribute__((packed, aligned (4)));
 923
 924 struct ipr_hostrcb_type_01_error {
 925         __be32 seek_counter;
 926         __be32 read_counter;
 927         u8 sense_data[32];
 928         __be32 ioa_data[236];
 929 }__attribute__((packed, aligned (4)));
 930
 931 struct ipr_hostrcb_type_21_error {
 932         __be32 wwn[4];
 933         u8 res_path[8];
 934         u8 primary_problem_desc[32];
 935         u8 second_problem_desc[32];
 936         __be32 sense_data[8];
 937         __be32 cdb[4];
 938         __be32 residual_trans_length;
 939         __be32 length_of_error;
 940         __be32 ioa_data[236];
 941 }__attribute__((packed, aligned (4)));
 942
 943 struct ipr_hostrcb_type_02_error {
 944         struct ipr_vpd ioa_vpd;
 945         struct ipr_vpd cfc_vpd;
 946         struct ipr_vpd ioa_last_attached_to_cfc_vpd;
 947         struct ipr_vpd cfc_last_attached_to_ioa_vpd;
 948         __be32 ioa_data[3];
 949 }__attribute__((packed, aligned (4)));
 950
 951 struct ipr_hostrcb_type_12_error {
 952         struct ipr_ext_vpd ioa_vpd;
 953         struct ipr_ext_vpd cfc_vpd;
 954         struct ipr_ext_vpd ioa_last_attached_to_cfc_vpd;
 955         struct ipr_ext_vpd cfc_last_attached_to_ioa_vpd;
 956         __be32 ioa_data[3];
 957 }__attribute__((packed, aligned (4)));
 958
 959 struct ipr_hostrcb_type_03_error {
 960         struct ipr_vpd ioa_vpd;
 961         struct ipr_vpd cfc_vpd;
 962         __be32 errors_detected;
 963         __be32 errors_logged;
 964         u8 ioa_data[12];
 965         struct ipr_hostrcb_device_data_entry dev[3];
 966 }__attribute__((packed, aligned (4)));
 967
 968 struct ipr_hostrcb_type_13_error {
 969         struct ipr_ext_vpd ioa_vpd;
 970         struct ipr_ext_vpd cfc_vpd;
 971         __be32 errors_detected;
 972         __be32 errors_logged;
 973         struct ipr_hostrcb_device_data_entry_enhanced dev[3];
 974 }__attribute__((packed, aligned (4)));
 975
 976 struct ipr_hostrcb_type_23_error {
 977         struct ipr_ext_vpd ioa_vpd;
 978         struct ipr_ext_vpd cfc_vpd;
 979         __be32 errors_detected;
 980         __be32 errors_logged;
 981         struct ipr_hostrcb64_device_data_entry_enhanced dev[3];
 982 }__attribute__((packed, aligned (4)));
 983
 984 struct ipr_hostrcb_type_04_error {
 985         struct ipr_vpd ioa_vpd;
 986         struct ipr_vpd cfc_vpd;
 987         u8 ioa_data[12];
 988         struct ipr_hostrcb_array_data_entry array_member[10];
 989         __be32 exposed_mode_adn;
 990         __be32 array_id;
 991         struct ipr_vpd incomp_dev_vpd;
 992         __be32 ioa_data2;
 993         struct ipr_hostrcb_array_data_entry array_member2[8];
 994         struct ipr_res_addr last_func_vset_res_addr;
 995         u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
 996         u8 protection_level[8];
 997 }__attribute__((packed, aligned (4)));
 998
 999 struct ipr_hostrcb_type_14_error {
1000         struct ipr_ext_vpd ioa_vpd;
1001         struct ipr_ext_vpd cfc_vpd;
1002         __be32 exposed_mode_adn;
1003         __be32 array_id;
1004         struct ipr_res_addr last_func_vset_res_addr;
1005         u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
1006         u8 protection_level[8];
1007         __be32 num_entries;
1008         struct ipr_hostrcb_array_data_entry_enhanced array_member[18];
1009 }__attribute__((packed, aligned (4)));
1010
1011 struct ipr_hostrcb_type_24_error {
1012         struct ipr_ext_vpd ioa_vpd;
1013         struct ipr_ext_vpd cfc_vpd;
1014         u8 reserved[2];
1015         u8 exposed_mode_adn;
1016 #define IPR_INVALID_ARRAY_DEV_NUM               0xff
1017         u8 array_id;
1018         u8 last_res_path[8];
1019         u8 protection_level[8];
1020         struct ipr_ext_vpd64 array_vpd;
1021         u8 description[16];
1022         u8 reserved2[3];
1023         u8 num_entries;
1024         struct ipr_hostrcb64_array_data_entry array_member[32];
1025 }__attribute__((packed, aligned (4)));
1026
1027 struct ipr_hostrcb_type_07_error {
1028         u8 failure_reason[64];
1029         struct ipr_vpd vpd;
1030         __be32 data[222];
1031 }__attribute__((packed, aligned (4)));
1032
1033 struct ipr_hostrcb_type_17_error {
1034         u8 failure_reason[64];
1035         struct ipr_ext_vpd vpd;
1036         __be32 data[476];
1037 }__attribute__((packed, aligned (4)));
1038
1039 struct ipr_hostrcb_config_element {
1040         u8 type_status;
1041 #define IPR_PATH_CFG_TYPE_MASK  0xF0
1042 #define IPR_PATH_CFG_NOT_EXIST  0x00
1043 #define IPR_PATH_CFG_IOA_PORT           0x10
1044 #define IPR_PATH_CFG_EXP_PORT           0x20
1045 #define IPR_PATH_CFG_DEVICE_PORT        0x30
1046 #define IPR_PATH_CFG_DEVICE_LUN 0x40
1047
1048 #define IPR_PATH_CFG_STATUS_MASK        0x0F
1049 #define IPR_PATH_CFG_NO_PROB            0x00
1050 #define IPR_PATH_CFG_DEGRADED           0x01
1051 #define IPR_PATH_CFG_FAILED             0x02
1052 #define IPR_PATH_CFG_SUSPECT            0x03
1053 #define IPR_PATH_NOT_DETECTED           0x04
1054 #define IPR_PATH_INCORRECT_CONN 0x05
1055
1056         u8 cascaded_expander;
1057         u8 phy;
1058         u8 link_rate;
1059 #define IPR_PHY_LINK_RATE_MASK  0x0F
1060
1061         __be32 wwid[2];
1062 }__attribute__((packed, aligned (4)));
1063
1064 struct ipr_hostrcb64_config_element {
1065         __be16 length;
1066         u8 descriptor_id;
1067 #define IPR_DESCRIPTOR_MASK             0xC0
1068 #define IPR_DESCRIPTOR_SIS64            0x00
1069
1070         u8 reserved;
1071         u8 type_status;
1072
1073         u8 reserved2[2];
1074         u8 link_rate;
1075
1076         u8 res_path[8];
1077         __be32 wwid[2];
1078 }__attribute__((packed, aligned (8)));
1079
1080 struct ipr_hostrcb_fabric_desc {
1081         __be16 length;
1082         u8 ioa_port;
1083         u8 cascaded_expander;
1084         u8 phy;
1085         u8 path_state;
1086 #define IPR_PATH_ACTIVE_MASK            0xC0
1087 #define IPR_PATH_NO_INFO                0x00
1088 #define IPR_PATH_ACTIVE                 0x40
1089 #define IPR_PATH_NOT_ACTIVE             0x80
1090
1091 #define IPR_PATH_STATE_MASK             0x0F
1092 #define IPR_PATH_STATE_NO_INFO  0x00
1093 #define IPR_PATH_HEALTHY                0x01
1094 #define IPR_PATH_DEGRADED               0x02
1095 #define IPR_PATH_FAILED                 0x03
1096
1097         __be16 num_entries;
1098         struct ipr_hostrcb_config_element elem[1];
1099 }__attribute__((packed, aligned (4)));
1100
1101 struct ipr_hostrcb64_fabric_desc {
1102         __be16 length;
1103         u8 descriptor_id;
1104
1105         u8 reserved[2];
1106         u8 path_state;
1107
1108         u8 reserved2[2];
1109         u8 res_path[8];
1110         u8 reserved3[6];
1111         __be16 num_entries;
1112         struct ipr_hostrcb64_config_element elem[1];
1113 }__attribute__((packed, aligned (8)));
1114
1115 #define for_each_hrrq(hrrq, ioa_cfg) \
1116                 for (hrrq = (ioa_cfg)->hrrq; \
1117                         hrrq < ((ioa_cfg)->hrrq + (ioa_cfg)->hrrq_num); hrrq++)
1118
1119 #define for_each_fabric_cfg(fabric, cfg) \
1120                 for (cfg = (fabric)->elem; \
1121                         cfg < ((fabric)->elem + be16_to_cpu((fabric)->num_entries)); \
1122                         cfg++)
1123
1124 struct ipr_hostrcb_type_20_error {
1125         u8 failure_reason[64];
1126         u8 reserved[3];
1127         u8 num_entries;
1128         struct ipr_hostrcb_fabric_desc desc[1];
1129 }__attribute__((packed, aligned (4)));
1130
1131 struct ipr_hostrcb_type_30_error {
1132         u8 failure_reason[64];
1133         u8 reserved[3];
1134         u8 num_entries;
1135         struct ipr_hostrcb64_fabric_desc desc[1];
1136 }__attribute__((packed, aligned (4)));
1137
1138 struct ipr_hostrcb_error {
1139         __be32 fd_ioasc;
1140         struct ipr_res_addr fd_res_addr;
1141         __be32 fd_res_handle;
1142         __be32 prc;
1143         union {
1144                 struct ipr_hostrcb_type_ff_error type_ff_error;
1145                 struct ipr_hostrcb_type_01_error type_01_error;
1146                 struct ipr_hostrcb_type_02_error type_02_error;
1147                 struct ipr_hostrcb_type_03_error type_03_error;
1148                 struct ipr_hostrcb_type_04_error type_04_error;
1149                 struct ipr_hostrcb_type_07_error type_07_error;
1150                 struct ipr_hostrcb_type_12_error type_12_error;
1151                 struct ipr_hostrcb_type_13_error type_13_error;
1152                 struct ipr_hostrcb_type_14_error type_14_error;
1153                 struct ipr_hostrcb_type_17_error type_17_error;
1154                 struct ipr_hostrcb_type_20_error type_20_error;
1155         } u;
1156 }__attribute__((packed, aligned (4)));
1157
1158 struct ipr_hostrcb64_error {
1159         __be32 fd_ioasc;
1160         __be32 ioa_fw_level;
1161         __be32 fd_res_handle;
1162         __be32 prc;
1163         __be64 fd_dev_id;
1164         __be64 fd_lun;
1165         u8 fd_res_path[8];
1166         __be64 time_stamp;
1167         u8 reserved[16];
1168         union {
1169                 struct ipr_hostrcb_type_ff_error type_ff_error;
1170                 struct ipr_hostrcb_type_12_error type_12_error;
1171                 struct ipr_hostrcb_type_17_error type_17_error;
1172                 struct ipr_hostrcb_type_21_error type_21_error;
1173                 struct ipr_hostrcb_type_23_error type_23_error;
1174                 struct ipr_hostrcb_type_24_error type_24_error;
1175                 struct ipr_hostrcb_type_30_error type_30_error;
1176         } u;
1177 }__attribute__((packed, aligned (8)));
1178
1179 struct ipr_hostrcb_raw {
1180         __be32 data[sizeof(struct ipr_hostrcb_error)/sizeof(__be32)];
1181 }__attribute__((packed, aligned (4)));
1182
1183 struct ipr_hcam {
1184         u8 op_code;
1185 #define IPR_HOST_RCB_OP_CODE_CONFIG_CHANGE                      0xE1
1186 #define IPR_HOST_RCB_OP_CODE_LOG_DATA                           0xE2
1187
1188         u8 notify_type;
1189 #define IPR_HOST_RCB_NOTIF_TYPE_EXISTING_CHANGED        0x00
1190 #define IPR_HOST_RCB_NOTIF_TYPE_NEW_ENTRY                       0x01
1191 #define IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY                       0x02
1192 #define IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY         0x10
1193 #define IPR_HOST_RCB_NOTIF_TYPE_INFORMATION_ENTRY       0x11
1194
1195         u8 notifications_lost;
1196 #define IPR_HOST_RCB_NO_NOTIFICATIONS_LOST                      0
1197 #define IPR_HOST_RCB_NOTIFICATIONS_LOST                         0x80
1198
1199         u8 flags;
1200 #define IPR_HOSTRCB_INTERNAL_OPER       0x80
1201 #define IPR_HOSTRCB_ERR_RESP_SENT       0x40
1202
1203         u8 overlay_id;
1204 #define IPR_HOST_RCB_OVERLAY_ID_1                               0x01
1205 #define IPR_HOST_RCB_OVERLAY_ID_2                               0x02
1206 #define IPR_HOST_RCB_OVERLAY_ID_3                               0x03
1207 #define IPR_HOST_RCB_OVERLAY_ID_4                               0x04
1208 #define IPR_HOST_RCB_OVERLAY_ID_6                               0x06
1209 #define IPR_HOST_RCB_OVERLAY_ID_7                               0x07
1210 #define IPR_HOST_RCB_OVERLAY_ID_12                              0x12
1211 #define IPR_HOST_RCB_OVERLAY_ID_13                              0x13
1212 #define IPR_HOST_RCB_OVERLAY_ID_14                              0x14
1213 #define IPR_HOST_RCB_OVERLAY_ID_16                              0x16
1214 #define IPR_HOST_RCB_OVERLAY_ID_17                              0x17
1215 #define IPR_HOST_RCB_OVERLAY_ID_20                              0x20
1216 #define IPR_HOST_RCB_OVERLAY_ID_21                              0x21
1217 #define IPR_HOST_RCB_OVERLAY_ID_23                              0x23
1218 #define IPR_HOST_RCB_OVERLAY_ID_24                              0x24
1219 #define IPR_HOST_RCB_OVERLAY_ID_26                              0x26
1220 #define IPR_HOST_RCB_OVERLAY_ID_30                              0x30
1221 #define IPR_HOST_RCB_OVERLAY_ID_DEFAULT                         0xFF
1222
1223         u8 reserved1[3];
1224         __be32 ilid;
1225         __be32 time_since_last_ioa_reset;
1226         __be32 reserved2;
1227         __be32 length;
1228
1229         union {
1230                 struct ipr_hostrcb_error error;
1231                 struct ipr_hostrcb64_error error64;
1232                 struct ipr_hostrcb_cfg_ch_not ccn;
1233                 struct ipr_hostrcb_raw raw;
1234         } u;
1235 }__attribute__((packed, aligned (4)));
1236
1237 struct ipr_hostrcb {
1238         struct ipr_hcam hcam;
1239         dma_addr_t hostrcb_dma;
1240         struct list_head queue;
1241         struct ipr_ioa_cfg *ioa_cfg;
1242         char rp_buffer[IPR_MAX_RES_PATH_LENGTH];
1243 };
1244
1245 /* IPR smart dump table structures */
1246 struct ipr_sdt_entry {
1247         __be32 start_token;
1248         __be32 end_token;
1249         u8 reserved[4];
1250
1251         u8 flags;
1252 #define IPR_SDT_ENDIAN          0x80
1253 #define IPR_SDT_VALID_ENTRY     0x20
1254
1255         u8 resv;
1256         __be16 priority;
1257 }__attribute__((packed, aligned (4)));
1258
1259 struct ipr_sdt_header {
1260         __be32 state;
1261         __be32 num_entries;
1262         __be32 num_entries_used;
1263         __be32 dump_size;
1264 }__attribute__((packed, aligned (4)));
1265
1266 struct ipr_sdt {
1267         struct ipr_sdt_header hdr;
1268         struct ipr_sdt_entry entry[IPR_FMT3_NUM_SDT_ENTRIES];
1269 }__attribute__((packed, aligned (4)));
1270
1271 struct ipr_uc_sdt {
1272         struct ipr_sdt_header hdr;
1273         struct ipr_sdt_entry entry[1];
1274 }__attribute__((packed, aligned (4)));
1275
1276 /*
1277  * Driver types
1278  */
1279 struct ipr_bus_attributes {
1280         u8 bus;
1281         u8 qas_enabled;
1282         u8 bus_width;
1283         u8 reserved;
1284         u32 max_xfer_rate;
1285 };
1286
1287 struct ipr_sata_port {
1288         struct ipr_ioa_cfg *ioa_cfg;
1289         struct ata_port *ap;
1290         struct ipr_resource_entry *res;
1291         struct ipr_ioasa_gata ioasa;
1292 };
1293
1294 struct ipr_resource_entry {
1295         u8 needs_sync_complete:1;
1296         u8 in_erp:1;
1297         u8 add_to_ml:1;
1298         u8 del_from_ml:1;
1299         u8 resetting_device:1;
1300         u8 reset_occurred:1;
1301         u8 raw_mode:1;
1302
1303         u32 bus;                /* AKA channel */
1304         u32 target;             /* AKA id */
1305         u32 lun;
1306 #define IPR_ARRAY_VIRTUAL_BUS                   0x1
1307 #define IPR_VSET_VIRTUAL_BUS                    0x2
1308 #define IPR_IOAFP_VIRTUAL_BUS                   0x3
1309
1310 #define IPR_GET_RES_PHYS_LOC(res) \
1311         (((res)->bus << 24) | ((res)->target << 8) | (res)->lun)
1312
1313         u8 ata_class;
1314         u8 type;
1315
1316         u16 flags;
1317         u16 res_flags;
1318
1319         u8 qmodel;
1320         struct ipr_std_inq_data std_inq_data;
1321
1322         __be32 res_handle;
1323         __be64 dev_id;
1324         u64 lun_wwn;
1325         struct scsi_lun dev_lun;
1326         u8 res_path[8];
1327
1328         struct ipr_ioa_cfg *ioa_cfg;
1329         struct scsi_device *sdev;
1330         struct ipr_sata_port *sata_port;
1331         struct list_head queue;
1332 }; /* struct ipr_resource_entry */
1333
1334 struct ipr_resource_hdr {
1335         u16 num_entries;
1336         u16 reserved;
1337 };
1338
1339 struct ipr_misc_cbs {
1340         struct ipr_ioa_vpd ioa_vpd;
1341         struct ipr_inquiry_page0 page0_data;
1342         struct ipr_inquiry_page3 page3_data;
1343         struct ipr_inquiry_cap cap;
1344         struct ipr_inquiry_pageC4 pageC4_data;
1345         struct ipr_mode_pages mode_pages;
1346         struct ipr_supported_device supp_dev;
1347 };
1348
1349 struct ipr_interrupt_offsets {
1350         unsigned long set_interrupt_mask_reg;
1351         unsigned long clr_interrupt_mask_reg;
1352         unsigned long clr_interrupt_mask_reg32;
1353         unsigned long sense_interrupt_mask_reg;
1354         unsigned long sense_interrupt_mask_reg32;
1355         unsigned long clr_interrupt_reg;
1356         unsigned long clr_interrupt_reg32;
1357
1358         unsigned long sense_interrupt_reg;
1359         unsigned long sense_interrupt_reg32;
1360         unsigned long ioarrin_reg;
1361         unsigned long sense_uproc_interrupt_reg;
1362         unsigned long sense_uproc_interrupt_reg32;
1363         unsigned long set_uproc_interrupt_reg;
1364         unsigned long set_uproc_interrupt_reg32;
1365         unsigned long clr_uproc_interrupt_reg;
1366         unsigned long clr_uproc_interrupt_reg32;
1367
1368         unsigned long init_feedback_reg;
1369
1370         unsigned long dump_addr_reg;
1371         unsigned long dump_data_reg;
1372
1373 #define IPR_ENDIAN_SWAP_KEY             0x00080800
1374         unsigned long endian_swap_reg;
1375 };
1376
1377 struct ipr_interrupts {
1378         void __iomem *set_interrupt_mask_reg;
1379         void __iomem *clr_interrupt_mask_reg;
1380         void __iomem *clr_interrupt_mask_reg32;
1381         void __iomem *sense_interrupt_mask_reg;
1382         void __iomem *sense_interrupt_mask_reg32;
1383         void __iomem *clr_interrupt_reg;
1384         void __iomem *clr_interrupt_reg32;
1385
1386         void __iomem *sense_interrupt_reg;
1387         void __iomem *sense_interrupt_reg32;
1388         void __iomem *ioarrin_reg;
1389         void __iomem *sense_uproc_interrupt_reg;
1390         void __iomem *sense_uproc_interrupt_reg32;
1391         void __iomem *set_uproc_interrupt_reg;
1392         void __iomem *set_uproc_interrupt_reg32;
1393         void __iomem *clr_uproc_interrupt_reg;
1394         void __iomem *clr_uproc_interrupt_reg32;
1395
1396         void __iomem *init_feedback_reg;
1397
1398         void __iomem *dump_addr_reg;
1399         void __iomem *dump_data_reg;
1400
1401         void __iomem *endian_swap_reg;
1402 };
1403
1404 struct ipr_chip_cfg_t {
1405         u32 mailbox;
1406         u16 max_cmds;
1407         u8 cache_line_size;
1408         u8 clear_isr;
1409         u32 iopoll_weight;
1410         struct ipr_interrupt_offsets regs;
1411 };
1412
1413 struct ipr_chip_t {
1414         u16 vendor;
1415         u16 device;
1416         bool has_msi;
1417         u16 sis_type;
1418 #define IPR_SIS32                       0x00
1419 #define IPR_SIS64                       0x01
1420         u16 bist_method;
1421 #define IPR_PCI_CFG                     0x00
1422 #define IPR_MMIO                        0x01
1423         const struct ipr_chip_cfg_t *cfg;
1424 };
1425
1426 enum ipr_shutdown_type {
1427         IPR_SHUTDOWN_NORMAL = 0x00,
1428         IPR_SHUTDOWN_PREPARE_FOR_NORMAL = 0x40,
1429         IPR_SHUTDOWN_ABBREV = 0x80,
1430         IPR_SHUTDOWN_NONE = 0x100,
1431         IPR_SHUTDOWN_QUIESCE = 0x101,
1432 };
1433
1434 struct ipr_trace_entry {
1435         u32 time;
1436
1437         u8 op_code;
1438         u8 ata_op_code;
1439         u8 type;
1440 #define IPR_TRACE_START                 0x00
1441 #define IPR_TRACE_FINISH                0xff
1442         u8 cmd_index;
1443
1444         __be32 res_handle;
1445         union {
1446                 u32 ioasc;
1447                 u32 add_data;
1448                 u32 res_addr;
1449         } u;
1450 };
1451
1452 struct ipr_sglist {
1453         u32 order;
1454         u32 num_sg;
1455         u32 num_dma_sg;
1456         u32 buffer_len;
1457         struct scatterlist scatterlist[1];
1458 };
1459
1460 enum ipr_sdt_state {
1461         INACTIVE,
1462         WAIT_FOR_DUMP,
1463         GET_DUMP,
1464         READ_DUMP,
1465         ABORT_DUMP,
1466         DUMP_OBTAINED
1467 };
1468
1469 /* Per-controller data */
1470 struct ipr_ioa_cfg {
1471         char eye_catcher[8];
1472 #define IPR_EYECATCHER                  "iprcfg"
1473
1474         struct list_head queue;
1475
1476         u8 in_reset_reload:1;
1477         u8 in_ioa_bringdown:1;
1478         u8 ioa_unit_checked:1;
1479         u8 dump_taken:1;
1480         u8 scan_enabled:1;
1481         u8 scan_done:1;
1482         u8 needs_hard_reset:1;
1483         u8 dual_raid:1;
1484         u8 needs_warm_reset:1;
1485         u8 msi_received:1;
1486         u8 sis64:1;
1487         u8 dump_timeout:1;
1488         u8 cfg_locked:1;
1489         u8 clear_isr:1;
1490         u8 probe_done:1;
1491         u8 scsi_unblock:1;
1492         u8 scsi_blocked:1;
1493
1494         u8 revid;
1495
1496         /*
1497          * Bitmaps for SIS64 generated target values
1498          */
1499         unsigned long target_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1500         unsigned long array_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1501         unsigned long vset_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1502
1503         u16 type; /* CCIN of the card */
1504
1505         u8 log_level;
1506 #define IPR_MAX_LOG_LEVEL                       4
1507 #define IPR_DEFAULT_LOG_LEVEL           2
1508 #define IPR_DEBUG_LOG_LEVEL             3
1509
1510 #define IPR_NUM_TRACE_INDEX_BITS        8
1511 #define IPR_NUM_TRACE_ENTRIES           (1 << IPR_NUM_TRACE_INDEX_BITS)
1512 #define IPR_TRACE_INDEX_MASK            (IPR_NUM_TRACE_ENTRIES - 1)
1513 #define IPR_TRACE_SIZE  (sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES)
1514         char trace_start[8];
1515 #define IPR_TRACE_START_LABEL                   "trace"
1516         struct ipr_trace_entry *trace;
1517         atomic_t trace_index;
1518
1519         char cfg_table_start[8];
1520 #define IPR_CFG_TBL_START               "cfg"
1521         union {
1522                 struct ipr_config_table *cfg_table;
1523                 struct ipr_config_table64 *cfg_table64;
1524         } u;
1525         dma_addr_t cfg_table_dma;
1526         u32 cfg_table_size;
1527         u32 max_devs_supported;
1528
1529         char resource_table_label[8];
1530 #define IPR_RES_TABLE_LABEL             "res_tbl"
1531         struct ipr_resource_entry *res_entries;
1532         struct list_head free_res_q;
1533         struct list_head used_res_q;
1534
1535         char ipr_hcam_label[8];
1536 #define IPR_HCAM_LABEL                  "hcams"
1537         struct ipr_hostrcb *hostrcb[IPR_MAX_HCAMS];
1538         dma_addr_t hostrcb_dma[IPR_MAX_HCAMS];
1539         struct list_head hostrcb_free_q;
1540         struct list_head hostrcb_pending_q;
1541         struct list_head hostrcb_report_q;
1542
1543         struct ipr_hrr_queue hrrq[IPR_MAX_HRRQ_NUM];
1544         u32 hrrq_num;
1545         atomic_t  hrrq_index;
1546         u16 identify_hrrq_index;
1547
1548         struct ipr_bus_attributes bus_attr[IPR_MAX_NUM_BUSES];
1549
1550         unsigned int transop_timeout;
1551         const struct ipr_chip_cfg_t *chip_cfg;
1552         const struct ipr_chip_t *ipr_chip;
1553
1554         void __iomem *hdw_dma_regs;     /* iomapped PCI memory space */
1555         unsigned long hdw_dma_regs_pci; /* raw PCI memory space */
1556         void __iomem *ioa_mailbox;
1557         struct ipr_interrupts regs;
1558
1559         u16 saved_pcix_cmd_reg;
1560         u16 reset_retries;
1561
1562         u32 errors_logged;
1563         u32 doorbell;
1564
1565         struct Scsi_Host *host;
1566         struct pci_dev *pdev;
1567         struct ipr_sglist *ucode_sglist;
1568         u8 saved_mode_page_len;
1569
1570         struct work_struct work_q;
1571         struct workqueue_struct *reset_work_q;
1572
1573         wait_queue_head_t reset_wait_q;
1574         wait_queue_head_t msi_wait_q;
1575         wait_queue_head_t eeh_wait_q;
1576
1577         struct ipr_dump *dump;
1578         enum ipr_sdt_state sdt_state;
1579
1580         struct ipr_misc_cbs *vpd_cbs;
1581         dma_addr_t vpd_cbs_dma;
1582
1583         struct dma_pool *ipr_cmd_pool;
1584
1585         struct ipr_cmnd *reset_cmd;
1586         int (*reset) (struct ipr_cmnd *);
1587
1588         struct ata_host ata_host;
1589         char ipr_cmd_label[8];
1590 #define IPR_CMD_LABEL           "ipr_cmd"
1591         u32 max_cmds;
1592         struct ipr_cmnd **ipr_cmnd_list;
1593         dma_addr_t *ipr_cmnd_list_dma;
1594
1595         unsigned int nvectors;
1596
1597         struct {
1598                 char desc[22];
1599         } vectors_info[IPR_MAX_MSIX_VECTORS];
1600
1601         u32 iopoll_weight;
1602
1603 }; /* struct ipr_ioa_cfg */
1604
1605 struct ipr_cmnd {
1606         struct ipr_ioarcb ioarcb;
1607         union {
1608                 struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
1609                 struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
1610                 struct ipr_ata64_ioadl ata_ioadl;
1611         } i;
1612         union {
1613                 struct ipr_ioasa ioasa;
1614                 struct ipr_ioasa64 ioasa64;
1615         } s;
1616         struct list_head queue;
1617         struct scsi_cmnd *scsi_cmd;
1618         struct ata_queued_cmd *qc;
1619         struct completion completion;
1620         struct timer_list timer;
1621         struct work_struct work;
1622         void (*fast_done) (struct ipr_cmnd *);
1623         void (*done) (struct ipr_cmnd *);
1624         int (*job_step) (struct ipr_cmnd *);
1625         int (*job_step_failed) (struct ipr_cmnd *);
1626         u16 cmd_index;
1627         u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
1628         dma_addr_t sense_buffer_dma;
1629         unsigned short dma_use_sg;
1630         dma_addr_t dma_addr;
1631         struct ipr_cmnd *sibling;
1632         union {
1633                 enum ipr_shutdown_type shutdown_type;
1634                 struct ipr_hostrcb *hostrcb;
1635                 unsigned long time_left;
1636                 unsigned long scratch;
1637                 struct ipr_resource_entry *res;
1638                 struct scsi_device *sdev;
1639         } u;
1640
1641         struct completion *eh_comp;
1642         struct ipr_hrr_queue *hrrq;
1643         struct ipr_ioa_cfg *ioa_cfg;
1644 };
1645
1646 struct ipr_ses_table_entry {
1647         char product_id[17];
1648         char compare_product_id_byte[17];
1649         u32 max_bus_speed_limit;        /* MB/sec limit for this backplane */
1650 };
1651
1652 struct ipr_dump_header {
1653         u32 eye_catcher;
1654 #define IPR_DUMP_EYE_CATCHER            0xC5D4E3F2
1655         u32 len;
1656         u32 num_entries;
1657         u32 first_entry_offset;
1658         u32 status;
1659 #define IPR_DUMP_STATUS_SUCCESS                 0
1660 #define IPR_DUMP_STATUS_QUAL_SUCCESS            2
1661 #define IPR_DUMP_STATUS_FAILED                  0xffffffff
1662         u32 os;
1663 #define IPR_DUMP_OS_LINUX       0x4C4E5558
1664         u32 driver_name;
1665 #define IPR_DUMP_DRIVER_NAME    0x49505232
1666 }__attribute__((packed, aligned (4)));
1667
1668 struct ipr_dump_entry_header {
1669         u32 eye_catcher;
1670 #define IPR_DUMP_EYE_CATCHER            0xC5D4E3F2
1671         u32 len;
1672         u32 num_elems;
1673         u32 offset;
1674         u32 data_type;
1675 #define IPR_DUMP_DATA_TYPE_ASCII        0x41534349
1676 #define IPR_DUMP_DATA_TYPE_BINARY       0x42494E41
1677         u32 id;
1678 #define IPR_DUMP_IOA_DUMP_ID            0x494F4131
1679 #define IPR_DUMP_LOCATION_ID            0x4C4F4341
1680 #define IPR_DUMP_TRACE_ID               0x54524143
1681 #define IPR_DUMP_DRIVER_VERSION_ID      0x44525652
1682 #define IPR_DUMP_DRIVER_TYPE_ID 0x54595045
1683 #define IPR_DUMP_IOA_CTRL_BLK           0x494F4342
1684 #define IPR_DUMP_PEND_OPS               0x414F5053
1685         u32 status;
1686 }__attribute__((packed, aligned (4)));
1687
1688 struct ipr_dump_location_entry {
1689         struct ipr_dump_entry_header hdr;
1690         u8 location[20];
1691 }__attribute__((packed));
1692
1693 struct ipr_dump_trace_entry {
1694         struct ipr_dump_entry_header hdr;
1695         u32 trace[IPR_TRACE_SIZE / sizeof(u32)];
1696 }__attribute__((packed, aligned (4)));
1697
1698 struct ipr_dump_version_entry {
1699         struct ipr_dump_entry_header hdr;
1700         u8 version[sizeof(IPR_DRIVER_VERSION)];
1701 };
1702
1703 struct ipr_dump_ioa_type_entry {
1704         struct ipr_dump_entry_header hdr;
1705         u32 type;
1706         u32 fw_version;
1707 };
1708
1709 struct ipr_driver_dump {
1710         struct ipr_dump_header hdr;
1711         struct ipr_dump_version_entry version_entry;
1712         struct ipr_dump_location_entry location_entry;
1713         struct ipr_dump_ioa_type_entry ioa_type_entry;
1714         struct ipr_dump_trace_entry trace_entry;
1715 }__attribute__((packed));
1716
1717 struct ipr_ioa_dump {
1718         struct ipr_dump_entry_header hdr;
1719         struct ipr_sdt sdt;
1720         __be32 **ioa_data;
1721         u32 reserved;
1722         u32 next_page_index;
1723         u32 page_offset;
1724         u32 format;
1725 }__attribute__((packed, aligned (4)));
1726
1727 struct ipr_dump {
1728         struct kref kref;
1729         struct ipr_ioa_cfg *ioa_cfg;
1730         struct ipr_driver_dump driver_dump;
1731         struct ipr_ioa_dump ioa_dump;
1732 };
1733
1734 struct ipr_error_table_t {
1735         u32 ioasc;
1736         int log_ioasa;
1737         int log_hcam;
1738         char *error;
1739 };
1740
1741 struct ipr_software_inq_lid_info {
1742         __be32 load_id;
1743         __be32 timestamp[3];
1744 }__attribute__((packed, aligned (4)));
1745
1746 struct ipr_ucode_image_header {
1747         __be32 header_length;
1748         __be32 lid_table_offset;
1749         u8 major_release;
1750         u8 card_type;
1751         u8 minor_release[2];
1752         u8 reserved[20];
1753         char eyecatcher[16];
1754         __be32 num_lids;
1755         struct ipr_software_inq_lid_info lid[1];
1756 }__attribute__((packed, aligned (4)));
1757
1758 /*
1759  * Macros
1760  */
1761 #define IPR_DBG_CMD(CMD) if (ipr_debug) { CMD; }
1762
1763 #ifdef CONFIG_SCSI_IPR_TRACE
1764 #define ipr_create_trace_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1765 #define ipr_remove_trace_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1766 #else
1767 #define ipr_create_trace_file(kobj, attr) 0
1768 #define ipr_remove_trace_file(kobj, attr) do { } while(0)
1769 #endif
1770
1771 #ifdef CONFIG_SCSI_IPR_DUMP
1772 #define ipr_create_dump_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1773 #define ipr_remove_dump_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1774 #else
1775 #define ipr_create_dump_file(kobj, attr) 0
1776 #define ipr_remove_dump_file(kobj, attr) do { } while(0)
1777 #endif
1778
1779 /*
1780  * Error logging macros
1781  */
1782 #define ipr_err(...) printk(KERN_ERR IPR_NAME ": "__VA_ARGS__)
1783 #define ipr_info(...) printk(KERN_INFO IPR_NAME ": "__VA_ARGS__)
1784 #define ipr_dbg(...) IPR_DBG_CMD(printk(KERN_INFO IPR_NAME ": "__VA_ARGS__))
1785
1786 #define ipr_res_printk(level, ioa_cfg, bus, target, lun, fmt, ...) \
1787         printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1788                 bus, target, lun, ##__VA_ARGS__)
1789
1790 #define ipr_res_err(ioa_cfg, res, fmt, ...) \
1791         ipr_res_printk(KERN_ERR, ioa_cfg, (res)->bus, (res)->target, (res)->lun, fmt, ##__VA_ARGS__)
1792
1793 #define ipr_ra_printk(level, ioa_cfg, ra, fmt, ...) \
1794         printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1795                 (ra).bus, (ra).target, (ra).lun, ##__VA_ARGS__)
1796
1797 #define ipr_ra_err(ioa_cfg, ra, fmt, ...) \
1798         ipr_ra_printk(KERN_ERR, ioa_cfg, ra, fmt, ##__VA_ARGS__)
1799
1800 #define ipr_phys_res_err(ioa_cfg, res, fmt, ...)                        \
1801 {                                                                       \
1802         if ((res).bus >= IPR_MAX_NUM_BUSES) {                           \
1803                 ipr_err(fmt": unknown\n", ##__VA_ARGS__);               \
1804         } else {                                                        \
1805                 ipr_err(fmt": %d:%d:%d:%d\n",                           \
1806                         ##__VA_ARGS__, (ioa_cfg)->host->host_no,        \
1807                         (res).bus, (res).target, (res).lun);            \
1808         }                                                               \
1809 }
1810
1811 #define ipr_hcam_err(hostrcb, fmt, ...)                                 \
1812 {                                                                       \
1813         if (ipr_is_device(hostrcb)) {                                   \
1814                 if ((hostrcb)->ioa_cfg->sis64) {                        \
1815                         printk(KERN_ERR IPR_NAME ": %s: " fmt,          \
1816                                 ipr_format_res_path(hostrcb->ioa_cfg,   \
1817                                         hostrcb->hcam.u.error64.fd_res_path, \
1818                                         hostrcb->rp_buffer,             \
1819                                         sizeof(hostrcb->rp_buffer)),    \
1820                                 __VA_ARGS__);                           \
1821                 } else {                                                \
1822                         ipr_ra_err((hostrcb)->ioa_cfg,                  \
1823                                 (hostrcb)->hcam.u.error.fd_res_addr,    \
1824                                 fmt, __VA_ARGS__);                      \
1825                 }                                                       \
1826         } else {                                                        \
1827                 dev_err(&(hostrcb)->ioa_cfg->pdev->dev, fmt, __VA_ARGS__); \
1828         }                                                               \
1829 }
1830
1831 #define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
1832         __FILE__, __func__, __LINE__)
1833
1834 #define ENTER IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Entering %s\n", __func__))
1835 #define LEAVE IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Leaving %s\n", __func__))
1836
1837 #define ipr_err_separator \
1838 ipr_err("----------------------------------------------------------\n")
1839
1840
1841 /*
1842  * Inlines
1843  */
1844
1845 /**
1846  * ipr_is_ioa_resource - Determine if a resource is the IOA
1847  * @res:        resource entry struct
1848  *
1849  * Return value:
1850  *      1 if IOA / 0 if not IOA
1851  **/
1852 static inline int ipr_is_ioa_resource(struct ipr_resource_entry *res)
1853 {
1854         return res->type == IPR_RES_TYPE_IOAFP;
1855 }
1856
1857 /**
1858  * ipr_is_af_dasd_device - Determine if a resource is an AF DASD
1859  * @res:        resource entry struct
1860  *
1861  * Return value:
1862  *      1 if AF DASD / 0 if not AF DASD
1863  **/
1864 static inline int ipr_is_af_dasd_device(struct ipr_resource_entry *res)
1865 {
1866         return res->type == IPR_RES_TYPE_AF_DASD ||
1867                 res->type == IPR_RES_TYPE_REMOTE_AF_DASD;
1868 }
1869
1870 /**
1871  * ipr_is_vset_device - Determine if a resource is a VSET
1872  * @res:        resource entry struct
1873  *
1874  * Return value:
1875  *      1 if VSET / 0 if not VSET
1876  **/
1877 static inline int ipr_is_vset_device(struct ipr_resource_entry *res)
1878 {
1879         return res->type == IPR_RES_TYPE_VOLUME_SET;
1880 }
1881
1882 /**
1883  * ipr_is_gscsi - Determine if a resource is a generic scsi resource
1884  * @res:        resource entry struct
1885  *
1886  * Return value:
1887  *      1 if GSCSI / 0 if not GSCSI
1888  **/
1889 static inline int ipr_is_gscsi(struct ipr_resource_entry *res)
1890 {
1891         return res->type == IPR_RES_TYPE_GENERIC_SCSI;
1892 }
1893
1894 /**
1895  * ipr_is_scsi_disk - Determine if a resource is a SCSI disk
1896  * @res:        resource entry struct
1897  *
1898  * Return value:
1899  *      1 if SCSI disk / 0 if not SCSI disk
1900  **/
1901 static inline int ipr_is_scsi_disk(struct ipr_resource_entry *res)
1902 {
1903         if (ipr_is_af_dasd_device(res) ||
1904             (ipr_is_gscsi(res) && IPR_IS_DASD_DEVICE(res->std_inq_data)))
1905                 return 1;
1906         else
1907                 return 0;
1908 }
1909
1910 /**
1911  * ipr_is_gata - Determine if a resource is a generic ATA resource
1912  * @res:        resource entry struct
1913  *
1914  * Return value:
1915  *      1 if GATA / 0 if not GATA
1916  **/
1917 static inline int ipr_is_gata(struct ipr_resource_entry *res)
1918 {
1919         return res->type == IPR_RES_TYPE_GENERIC_ATA;
1920 }
1921
1922 /**
1923  * ipr_is_naca_model - Determine if a resource is using NACA queueing model
1924  * @res:        resource entry struct
1925  *
1926  * Return value:
1927  *      1 if NACA queueing model / 0 if not NACA queueing model
1928  **/
1929 static inline int ipr_is_naca_model(struct ipr_resource_entry *res)
1930 {
1931         if (ipr_is_gscsi(res) && res->qmodel == IPR_QUEUE_NACA_MODEL)
1932                 return 1;
1933         return 0;
1934 }
1935
1936 /**
1937  * ipr_is_device - Determine if the hostrcb structure is related to a device
1938  * @hostrcb:    host resource control blocks struct
1939  *
1940  * Return value:
1941  *      1 if AF / 0 if not AF
1942  **/
1943 static inline int ipr_is_device(struct ipr_hostrcb *hostrcb)
1944 {
1945         struct ipr_res_addr *res_addr;
1946         u8 *res_path;
1947
1948         if (hostrcb->ioa_cfg->sis64) {
1949                 res_path = &hostrcb->hcam.u.error64.fd_res_path[0];
1950                 if ((res_path[0] == 0x00 || res_path[0] == 0x80 ||
1951                     res_path[0] == 0x81) && res_path[2] != 0xFF)
1952                         return 1;
1953         } else {
1954                 res_addr = &hostrcb->hcam.u.error.fd_res_addr;
1955
1956                 if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
1957                     (res_addr->target < (IPR_MAX_NUM_TARGETS_PER_BUS - 1)))
1958                         return 1;
1959         }
1960         return 0;
1961 }
1962
1963 /**
1964  * ipr_sdt_is_fmt2 - Determine if a SDT address is in format 2
1965  * @sdt_word:   SDT address
1966  *
1967  * Return value:
1968  *      1 if format 2 / 0 if not
1969  **/
1970 static inline int ipr_sdt_is_fmt2(u32 sdt_word)
1971 {
1972         u32 bar_sel = IPR_GET_FMT2_BAR_SEL(sdt_word);
1973
1974         switch (bar_sel) {
1975         case IPR_SDT_FMT2_BAR0_SEL:
1976         case IPR_SDT_FMT2_BAR1_SEL:
1977         case IPR_SDT_FMT2_BAR2_SEL:
1978         case IPR_SDT_FMT2_BAR3_SEL:
1979         case IPR_SDT_FMT2_BAR4_SEL:
1980         case IPR_SDT_FMT2_BAR5_SEL:
1981         case IPR_SDT_FMT2_EXP_ROM_SEL:
1982                 return 1;
1983         };
1984
1985         return 0;
1986 }
1987
1988 #ifndef writeq
1989 static inline void writeq(u64 val, void __iomem *addr)
1990 {
1991         writel(((u32) (val >> 32)), addr);
1992         writel(((u32) (val)), (addr + 4));
1993 }
1994 #endif
1995
1996 #endif /* _IPR_H */