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 <scsi/scsi.h>
  36 #include <scsi/scsi_cmnd.h>
  37
  38 /*
  39  * Literals
  40  */
  41 #define IPR_DRIVER_VERSION "2.5.2"
  42 #define IPR_DRIVER_DATE "(April 27, 2011)"
  43
  44 /*
  45  * IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding
  46  *      ops per device for devices not running tagged command queuing.
  47  *      This can be adjusted at runtime through sysfs device attributes.
  48  */
  49 #define IPR_MAX_CMD_PER_LUN                             6
  50 #define IPR_MAX_CMD_PER_ATA_LUN                 1
  51
  52 /*
  53  * IPR_NUM_BASE_CMD_BLKS: This defines the maximum number of
  54  *      ops the mid-layer can send to the adapter.
  55  */
  56 #define IPR_NUM_BASE_CMD_BLKS                           100
  57
  58 #define PCI_DEVICE_ID_IBM_OBSIDIAN_E    0x0339
  59
  60 #define PCI_DEVICE_ID_IBM_CROC_FPGA_E2          0x033D
  61 #define PCI_DEVICE_ID_IBM_CROC_ASIC_E2          0x034A
  62
  63 #define IPR_SUBS_DEV_ID_2780    0x0264
  64 #define IPR_SUBS_DEV_ID_5702    0x0266
  65 #define IPR_SUBS_DEV_ID_5703    0x0278
  66 #define IPR_SUBS_DEV_ID_572E    0x028D
  67 #define IPR_SUBS_DEV_ID_573E    0x02D3
  68 #define IPR_SUBS_DEV_ID_573D    0x02D4
  69 #define IPR_SUBS_DEV_ID_571A    0x02C0
  70 #define IPR_SUBS_DEV_ID_571B    0x02BE
  71 #define IPR_SUBS_DEV_ID_571E    0x02BF
  72 #define IPR_SUBS_DEV_ID_571F    0x02D5
  73 #define IPR_SUBS_DEV_ID_572A    0x02C1
  74 #define IPR_SUBS_DEV_ID_572B    0x02C2
  75 #define IPR_SUBS_DEV_ID_572F    0x02C3
  76 #define IPR_SUBS_DEV_ID_574E    0x030A
  77 #define IPR_SUBS_DEV_ID_575B    0x030D
  78 #define IPR_SUBS_DEV_ID_575C    0x0338
  79 #define IPR_SUBS_DEV_ID_57B3    0x033A
  80 #define IPR_SUBS_DEV_ID_57B7    0x0360
  81 #define IPR_SUBS_DEV_ID_57B8    0x02C2
  82
  83 #define IPR_SUBS_DEV_ID_57B4    0x033B
  84 #define IPR_SUBS_DEV_ID_57B2    0x035F
  85 #define IPR_SUBS_DEV_ID_57C4    0x0354
  86 #define IPR_SUBS_DEV_ID_57C6    0x0357
  87 #define IPR_SUBS_DEV_ID_57CC    0x035C
  88
  89 #define IPR_SUBS_DEV_ID_57B5    0x033C
  90 #define IPR_SUBS_DEV_ID_57CE    0x035E
  91 #define IPR_SUBS_DEV_ID_57B1    0x0355
  92
  93 #define IPR_SUBS_DEV_ID_574D    0x0356
  94 #define IPR_SUBS_DEV_ID_575D    0x035D
  95
  96 #define IPR_NAME                                "ipr"
  97
  98 /*
  99  * Return codes
 100  */
 101 #define IPR_RC_JOB_CONTINUE             1
 102 #define IPR_RC_JOB_RETURN               2
 103
 104 /*
 105  * IOASCs
 106  */
 107 #define IPR_IOASC_NR_INIT_CMD_REQUIRED          0x02040200
 108 #define IPR_IOASC_NR_IOA_RESET_REQUIRED         0x02048000
 109 #define IPR_IOASC_SYNC_REQUIRED                 0x023f0000
 110 #define IPR_IOASC_MED_DO_NOT_REALLOC            0x03110C00
 111 #define IPR_IOASC_HW_SEL_TIMEOUT                        0x04050000
 112 #define IPR_IOASC_HW_DEV_BUS_STATUS                     0x04448500
 113 #define IPR_IOASC_IOASC_MASK                    0xFFFFFF00
 114 #define IPR_IOASC_SCSI_STATUS_MASK              0x000000FF
 115 #define IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT    0x05240000
 116 #define IPR_IOASC_IR_RESOURCE_HANDLE            0x05250000
 117 #define IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA         0x05258100
 118 #define IPR_IOASA_IR_DUAL_IOA_DISABLED          0x052C8000
 119 #define IPR_IOASC_BUS_WAS_RESET                 0x06290000
 120 #define IPR_IOASC_BUS_WAS_RESET_BY_OTHER                0x06298000
 121 #define IPR_IOASC_ABORTED_CMD_TERM_BY_HOST      0x0B5A0000
 122
 123 #define IPR_FIRST_DRIVER_IOASC                  0x10000000
 124 #define IPR_IOASC_IOA_WAS_RESET                 0x10000001
 125 #define IPR_IOASC_PCI_ACCESS_ERROR                      0x10000002
 126
 127 /* Driver data flags */
 128 #define IPR_USE_LONG_TRANSOP_TIMEOUT            0x00000001
 129 #define IPR_USE_PCI_WARM_RESET                  0x00000002
 130
 131 #define IPR_DEFAULT_MAX_ERROR_DUMP                      984
 132 #define IPR_NUM_LOG_HCAMS                               2
 133 #define IPR_NUM_CFG_CHG_HCAMS                           2
 134 #define IPR_NUM_HCAMS   (IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS)
 135
 136 #define IPR_MAX_SIS64_TARGETS_PER_BUS                   1024
 137 #define IPR_MAX_SIS64_LUNS_PER_TARGET                   0xffffffff
 138
 139 #define IPR_MAX_NUM_TARGETS_PER_BUS                     256
 140 #define IPR_MAX_NUM_LUNS_PER_TARGET                     256
 141 #define IPR_MAX_NUM_VSET_LUNS_PER_TARGET        8
 142 #define IPR_VSET_BUS                                    0xff
 143 #define IPR_IOA_BUS                                             0xff
 144 #define IPR_IOA_TARGET                                  0xff
 145 #define IPR_IOA_LUN                                             0xff
 146 #define IPR_MAX_NUM_BUSES                               16
 147 #define IPR_MAX_BUS_TO_SCAN                             IPR_MAX_NUM_BUSES
 148
 149 #define IPR_NUM_RESET_RELOAD_RETRIES            3
 150
 151 /* We need resources for HCAMS, IOA reset, IOA bringdown, and ERP */
 152 #define IPR_NUM_INTERNAL_CMD_BLKS       (IPR_NUM_HCAMS + \
 153                                      ((IPR_NUM_RESET_RELOAD_RETRIES + 1) * 2) + 4)
 154
 155 #define IPR_MAX_COMMANDS                IPR_NUM_BASE_CMD_BLKS
 156 #define IPR_NUM_CMD_BLKS                (IPR_NUM_BASE_CMD_BLKS + \
 157                                                 IPR_NUM_INTERNAL_CMD_BLKS)
 158
 159 #define IPR_MAX_PHYSICAL_DEVS                           192
 160 #define IPR_DEFAULT_SIS64_DEVS                          1024
 161 #define IPR_MAX_SIS64_DEVS                              4096
 162
 163 #define IPR_MAX_SGLIST                                  64
 164 #define IPR_IOA_MAX_SECTORS                             32767
 165 #define IPR_VSET_MAX_SECTORS                            512
 166 #define IPR_MAX_CDB_LEN                                 16
 167 #define IPR_MAX_HRRQ_RETRIES                            3
 168
 169 #define IPR_DEFAULT_BUS_WIDTH                           16
 170 #define IPR_80MBs_SCSI_RATE             ((80 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
 171 #define IPR_U160_SCSI_RATE      ((160 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
 172 #define IPR_U320_SCSI_RATE      ((320 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
 173 #define IPR_MAX_SCSI_RATE(width) ((320 * 10) / ((width) / 8))
 174
 175 #define IPR_IOA_RES_HANDLE                              0xffffffff
 176 #define IPR_INVALID_RES_HANDLE                  0
 177 #define IPR_IOA_RES_ADDR                                0x00ffffff
 178
 179 /*
 180  * Adapter Commands
 181  */
 182 #define IPR_QUERY_RSRC_STATE                            0xC2
 183 #define IPR_RESET_DEVICE                                0xC3
 184 #define IPR_RESET_TYPE_SELECT                           0x80
 185 #define IPR_LUN_RESET                                   0x40
 186 #define IPR_TARGET_RESET                                        0x20
 187 #define IPR_BUS_RESET                                   0x10
 188 #define IPR_ATA_PHY_RESET                                       0x80
 189 #define IPR_ID_HOST_RR_Q                                0xC4
 190 #define IPR_QUERY_IOA_CONFIG                            0xC5
 191 #define IPR_CANCEL_ALL_REQUESTS                 0xCE
 192 #define IPR_HOST_CONTROLLED_ASYNC                       0xCF
 193 #define IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE      0x01
 194 #define IPR_HCAM_CDB_OP_CODE_LOG_DATA           0x02
 195 #define IPR_SET_SUPPORTED_DEVICES                       0xFB
 196 #define IPR_SET_ALL_SUPPORTED_DEVICES                   0x80
 197 #define IPR_IOA_SHUTDOWN                                0xF7
 198 #define IPR_WR_BUF_DOWNLOAD_AND_SAVE                    0x05
 199
 200 /*
 201  * Timeouts
 202  */
 203 #define IPR_SHUTDOWN_TIMEOUT                    (ipr_fastfail ? 60 * HZ : 10 * 60 * HZ)
 204 #define IPR_VSET_RW_TIMEOUT                     (ipr_fastfail ? 30 * HZ : 2 * 60 * HZ)
 205 #define IPR_ABBREV_SHUTDOWN_TIMEOUT             (10 * HZ)
 206 #define IPR_DUAL_IOA_ABBR_SHUTDOWN_TO   (2 * 60 * HZ)
 207 #define IPR_DEVICE_RESET_TIMEOUT                (ipr_fastfail ? 10 * HZ : 30 * HZ)
 208 #define IPR_CANCEL_ALL_TIMEOUT          (ipr_fastfail ? 10 * HZ : 30 * HZ)
 209 #define IPR_ABORT_TASK_TIMEOUT          (ipr_fastfail ? 10 * HZ : 30 * HZ)
 210 #define IPR_INTERNAL_TIMEOUT                    (ipr_fastfail ? 10 * HZ : 30 * HZ)
 211 #define IPR_WRITE_BUFFER_TIMEOUT                (30 * 60 * HZ)
 212 #define IPR_SET_SUP_DEVICE_TIMEOUT              (2 * 60 * HZ)
 213 #define IPR_REQUEST_SENSE_TIMEOUT               (10 * HZ)
 214 #define IPR_OPERATIONAL_TIMEOUT         (5 * 60)
 215 #define IPR_LONG_OPERATIONAL_TIMEOUT    (12 * 60)
 216 #define IPR_WAIT_FOR_RESET_TIMEOUT              (2 * HZ)
 217 #define IPR_CHECK_FOR_RESET_TIMEOUT             (HZ / 10)
 218 #define IPR_WAIT_FOR_BIST_TIMEOUT               (2 * HZ)
 219 #define IPR_PCI_RESET_TIMEOUT                   (HZ / 2)
 220 #define IPR_SIS32_DUMP_TIMEOUT                  (15 * HZ)
 221 #define IPR_SIS64_DUMP_TIMEOUT                  (40 * HZ)
 222 #define IPR_DUMP_DELAY_SECONDS                  4
 223 #define IPR_DUMP_DELAY_TIMEOUT                  (IPR_DUMP_DELAY_SECONDS * HZ)
 224
 225 /*
 226  * SCSI Literals
 227  */
 228 #define IPR_VENDOR_ID_LEN                       8
 229 #define IPR_PROD_ID_LEN                         16
 230 #define IPR_SERIAL_NUM_LEN                      8
 231
 232 /*
 233  * Hardware literals
 234  */
 235 #define IPR_FMT2_MBX_ADDR_MASK                          0x0fffffff
 236 #define IPR_FMT2_MBX_BAR_SEL_MASK                       0xf0000000
 237 #define IPR_FMT2_MKR_BAR_SEL_SHIFT                      28
 238 #define IPR_GET_FMT2_BAR_SEL(mbx) \
 239 (((mbx) & IPR_FMT2_MBX_BAR_SEL_MASK) >> IPR_FMT2_MKR_BAR_SEL_SHIFT)
 240 #define IPR_SDT_FMT2_BAR0_SEL                           0x0
 241 #define IPR_SDT_FMT2_BAR1_SEL                           0x1
 242 #define IPR_SDT_FMT2_BAR2_SEL                           0x2
 243 #define IPR_SDT_FMT2_BAR3_SEL                           0x3
 244 #define IPR_SDT_FMT2_BAR4_SEL                           0x4
 245 #define IPR_SDT_FMT2_BAR5_SEL                           0x5
 246 #define IPR_SDT_FMT2_EXP_ROM_SEL                        0x8
 247 #define IPR_FMT2_SDT_READY_TO_USE                       0xC4D4E3F2
 248 #define IPR_FMT3_SDT_READY_TO_USE                       0xC4D4E3F3
 249 #define IPR_DOORBELL                                    0x82800000
 250 #define IPR_RUNTIME_RESET                               0x40000000
 251
 252 #define IPR_IPL_INIT_MIN_STAGE_TIME                     5
 253 #define IPR_IPL_INIT_DEFAULT_STAGE_TIME                 15
 254 #define IPR_IPL_INIT_STAGE_UNKNOWN                      0x0
 255 #define IPR_IPL_INIT_STAGE_TRANSOP                      0xB0000000
 256 #define IPR_IPL_INIT_STAGE_MASK                         0xff000000
 257 #define IPR_IPL_INIT_STAGE_TIME_MASK                    0x0000ffff
 258 #define IPR_PCII_IPL_STAGE_CHANGE                       (0x80000000 >> 0)
 259
 260 #define IPR_PCII_IOA_TRANS_TO_OPER                      (0x80000000 >> 0)
 261 #define IPR_PCII_IOARCB_XFER_FAILED                     (0x80000000 >> 3)
 262 #define IPR_PCII_IOA_UNIT_CHECKED                       (0x80000000 >> 4)
 263 #define IPR_PCII_NO_HOST_RRQ                            (0x80000000 >> 5)
 264 #define IPR_PCII_CRITICAL_OPERATION                     (0x80000000 >> 6)
 265 #define IPR_PCII_IO_DEBUG_ACKNOWLEDGE           (0x80000000 >> 7)
 266 #define IPR_PCII_IOARRIN_LOST                           (0x80000000 >> 27)
 267 #define IPR_PCII_MMIO_ERROR                             (0x80000000 >> 28)
 268 #define IPR_PCII_PROC_ERR_STATE                 (0x80000000 >> 29)
 269 #define IPR_PCII_HRRQ_UPDATED                           (0x80000000 >> 30)
 270 #define IPR_PCII_CORE_ISSUED_RST_REQ            (0x80000000 >> 31)
 271
 272 #define IPR_PCII_ERROR_INTERRUPTS \
 273 (IPR_PCII_IOARCB_XFER_FAILED | IPR_PCII_IOA_UNIT_CHECKED | \
 274 IPR_PCII_NO_HOST_RRQ | IPR_PCII_IOARRIN_LOST | IPR_PCII_MMIO_ERROR)
 275
 276 #define IPR_PCII_OPER_INTERRUPTS \
 277 (IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED | IPR_PCII_IOA_TRANS_TO_OPER)
 278
 279 #define IPR_UPROCI_RESET_ALERT                  (0x80000000 >> 7)
 280 #define IPR_UPROCI_IO_DEBUG_ALERT                       (0x80000000 >> 9)
 281 #define IPR_UPROCI_SIS64_START_BIST                     (0x80000000 >> 23)
 282
 283 #define IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC            200000  /* 200 ms */
 284 #define IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC           200000  /* 200 ms */
 285
 286 /*
 287  * Dump literals
 288  */
 289 #define IPR_FMT2_MAX_IOA_DUMP_SIZE                      (4 * 1024 * 1024)
 290 #define IPR_FMT3_MAX_IOA_DUMP_SIZE                      (32 * 1024 * 1024)
 291 #define IPR_FMT2_NUM_SDT_ENTRIES                        511
 292 #define IPR_FMT3_NUM_SDT_ENTRIES                        0xFFF
 293 #define IPR_FMT2_MAX_NUM_DUMP_PAGES     ((IPR_FMT2_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
 294 #define IPR_FMT3_MAX_NUM_DUMP_PAGES     ((IPR_FMT3_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
 295
 296 /*
 297  * Misc literals
 298  */
 299 #define IPR_NUM_IOADL_ENTRIES                   IPR_MAX_SGLIST
 300
 301 /*
 302  * Adapter interface types
 303  */
 304
 305 struct ipr_res_addr {
 306         u8 reserved;
 307         u8 bus;
 308         u8 target;
 309         u8 lun;
 310 #define IPR_GET_PHYS_LOC(res_addr) \
 311         (((res_addr).bus << 16) | ((res_addr).target << 8) | (res_addr).lun)
 312 }__attribute__((packed, aligned (4)));
 313
 314 struct ipr_std_inq_vpids {
 315         u8 vendor_id[IPR_VENDOR_ID_LEN];
 316         u8 product_id[IPR_PROD_ID_LEN];
 317 }__attribute__((packed));
 318
 319 struct ipr_vpd {
 320         struct ipr_std_inq_vpids vpids;
 321         u8 sn[IPR_SERIAL_NUM_LEN];
 322 }__attribute__((packed));
 323
 324 struct ipr_ext_vpd {
 325         struct ipr_vpd vpd;
 326         __be32 wwid[2];
 327 }__attribute__((packed));
 328
 329 struct ipr_ext_vpd64 {
 330         struct ipr_vpd vpd;
 331         __be32 wwid[4];
 332 }__attribute__((packed));
 333
 334 struct ipr_std_inq_data {
 335         u8 peri_qual_dev_type;
 336 #define IPR_STD_INQ_PERI_QUAL(peri) ((peri) >> 5)
 337 #define IPR_STD_INQ_PERI_DEV_TYPE(peri) ((peri) & 0x1F)
 338
 339         u8 removeable_medium_rsvd;
 340 #define IPR_STD_INQ_REMOVEABLE_MEDIUM 0x80
 341
 342 #define IPR_IS_DASD_DEVICE(std_inq) \
 343 ((IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_DISK) && \
 344 !(((std_inq).removeable_medium_rsvd) & IPR_STD_INQ_REMOVEABLE_MEDIUM))
 345
 346 #define IPR_IS_SES_DEVICE(std_inq) \
 347 (IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_ENCLOSURE)
 348
 349         u8 version;
 350         u8 aen_naca_fmt;
 351         u8 additional_len;
 352         u8 sccs_rsvd;
 353         u8 bq_enc_multi;
 354         u8 sync_cmdq_flags;
 355
 356         struct ipr_std_inq_vpids vpids;
 357
 358         u8 ros_rsvd_ram_rsvd[4];
 359
 360         u8 serial_num[IPR_SERIAL_NUM_LEN];
 361 }__attribute__ ((packed));
 362
 363 #define IPR_RES_TYPE_AF_DASD            0x00
 364 #define IPR_RES_TYPE_GENERIC_SCSI       0x01
 365 #define IPR_RES_TYPE_VOLUME_SET         0x02
 366 #define IPR_RES_TYPE_REMOTE_AF_DASD     0x03
 367 #define IPR_RES_TYPE_GENERIC_ATA        0x04
 368 #define IPR_RES_TYPE_ARRAY              0x05
 369 #define IPR_RES_TYPE_IOAFP              0xff
 370
 371 struct ipr_config_table_entry {
 372         u8 proto;
 373 #define IPR_PROTO_SATA                  0x02
 374 #define IPR_PROTO_SATA_ATAPI            0x03
 375 #define IPR_PROTO_SAS_STP               0x06
 376 #define IPR_PROTO_SAS_STP_ATAPI         0x07
 377         u8 array_id;
 378         u8 flags;
 379 #define IPR_IS_IOA_RESOURCE             0x80
 380         u8 rsvd_subtype;
 381
 382 #define IPR_QUEUEING_MODEL(res) ((((res)->flags) & 0x70) >> 4)
 383 #define IPR_QUEUE_FROZEN_MODEL          0
 384 #define IPR_QUEUE_NACA_MODEL            1
 385
 386         struct ipr_res_addr res_addr;
 387         __be32 res_handle;
 388         __be32 lun_wwn[2];
 389         struct ipr_std_inq_data std_inq_data;
 390 }__attribute__ ((packed, aligned (4)));
 391
 392 struct ipr_config_table_entry64 {
 393         u8 res_type;
 394         u8 proto;
 395         u8 vset_num;
 396         u8 array_id;
 397         __be16 flags;
 398         __be16 res_flags;
 399 #define IPR_QUEUEING_MODEL64(res) ((((res)->res_flags) & 0x7000) >> 12)
 400         __be32 res_handle;
 401         u8 dev_id_type;
 402         u8 reserved[3];
 403         __be64 dev_id;
 404         __be64 lun;
 405         __be64 lun_wwn[2];
 406 #define IPR_MAX_RES_PATH_LENGTH         24
 407         __be64 res_path;
 408         struct ipr_std_inq_data std_inq_data;
 409         u8 reserved2[4];
 410         __be64 reserved3[2];
 411         u8 reserved4[8];
 412 }__attribute__ ((packed, aligned (8)));
 413
 414 struct ipr_config_table_hdr {
 415         u8 num_entries;
 416         u8 flags;
 417 #define IPR_UCODE_DOWNLOAD_REQ  0x10
 418         __be16 reserved;
 419 }__attribute__((packed, aligned (4)));
 420
 421 struct ipr_config_table_hdr64 {
 422         __be16 num_entries;
 423         __be16 reserved;
 424         u8 flags;
 425         u8 reserved2[11];
 426 }__attribute__((packed, aligned (4)));
 427
 428 struct ipr_config_table {
 429         struct ipr_config_table_hdr hdr;
 430         struct ipr_config_table_entry dev[0];
 431 }__attribute__((packed, aligned (4)));
 432
 433 struct ipr_config_table64 {
 434         struct ipr_config_table_hdr64 hdr64;
 435         struct ipr_config_table_entry64 dev[0];
 436 }__attribute__((packed, aligned (8)));
 437
 438 struct ipr_config_table_entry_wrapper {
 439         union {
 440                 struct ipr_config_table_entry *cfgte;
 441                 struct ipr_config_table_entry64 *cfgte64;
 442         } u;
 443 };
 444
 445 struct ipr_hostrcb_cfg_ch_not {
 446         union {
 447                 struct ipr_config_table_entry cfgte;
 448                 struct ipr_config_table_entry64 cfgte64;
 449         } u;
 450         u8 reserved[936];
 451 }__attribute__((packed, aligned (4)));
 452
 453 struct ipr_supported_device {
 454         __be16 data_length;
 455         u8 reserved;
 456         u8 num_records;
 457         struct ipr_std_inq_vpids vpids;
 458         u8 reserved2[16];
 459 }__attribute__((packed, aligned (4)));
 460
 461 /* Command packet structure */
 462 struct ipr_cmd_pkt {
 463         __be16 reserved;                /* Reserved by IOA */
 464         u8 request_type;
 465 #define IPR_RQTYPE_SCSICDB              0x00
 466 #define IPR_RQTYPE_IOACMD               0x01
 467 #define IPR_RQTYPE_HCAM                 0x02
 468 #define IPR_RQTYPE_ATA_PASSTHRU 0x04
 469
 470         u8 reserved2;
 471
 472         u8 flags_hi;
 473 #define IPR_FLAGS_HI_WRITE_NOT_READ             0x80
 474 #define IPR_FLAGS_HI_NO_ULEN_CHK                0x20
 475 #define IPR_FLAGS_HI_SYNC_OVERRIDE              0x10
 476 #define IPR_FLAGS_HI_SYNC_COMPLETE              0x08
 477 #define IPR_FLAGS_HI_NO_LINK_DESC               0x04
 478
 479         u8 flags_lo;
 480 #define IPR_FLAGS_LO_ALIGNED_BFR                0x20
 481 #define IPR_FLAGS_LO_DELAY_AFTER_RST            0x10
 482 #define IPR_FLAGS_LO_UNTAGGED_TASK              0x00
 483 #define IPR_FLAGS_LO_SIMPLE_TASK                0x02
 484 #define IPR_FLAGS_LO_ORDERED_TASK               0x04
 485 #define IPR_FLAGS_LO_HEAD_OF_Q_TASK             0x06
 486 #define IPR_FLAGS_LO_ACA_TASK                   0x08
 487
 488         u8 cdb[16];
 489         __be16 timeout;
 490 }__attribute__ ((packed, aligned(4)));
 491
 492 struct ipr_ioarcb_ata_regs {    /* 22 bytes */
 493         u8 flags;
 494 #define IPR_ATA_FLAG_PACKET_CMD                 0x80
 495 #define IPR_ATA_FLAG_XFER_TYPE_DMA                      0x40
 496 #define IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION  0x20
 497         u8 reserved[3];
 498
 499         __be16 data;
 500         u8 feature;
 501         u8 nsect;
 502         u8 lbal;
 503         u8 lbam;
 504         u8 lbah;
 505         u8 device;
 506         u8 command;
 507         u8 reserved2[3];
 508         u8 hob_feature;
 509         u8 hob_nsect;
 510         u8 hob_lbal;
 511         u8 hob_lbam;
 512         u8 hob_lbah;
 513         u8 ctl;
 514 }__attribute__ ((packed, aligned(4)));
 515
 516 struct ipr_ioadl_desc {
 517         __be32 flags_and_data_len;
 518 #define IPR_IOADL_FLAGS_MASK            0xff000000
 519 #define IPR_IOADL_GET_FLAGS(x) (be32_to_cpu(x) & IPR_IOADL_FLAGS_MASK)
 520 #define IPR_IOADL_DATA_LEN_MASK         0x00ffffff
 521 #define IPR_IOADL_GET_DATA_LEN(x) (be32_to_cpu(x) & IPR_IOADL_DATA_LEN_MASK)
 522 #define IPR_IOADL_FLAGS_READ            0x48000000
 523 #define IPR_IOADL_FLAGS_READ_LAST       0x49000000
 524 #define IPR_IOADL_FLAGS_WRITE           0x68000000
 525 #define IPR_IOADL_FLAGS_WRITE_LAST      0x69000000
 526 #define IPR_IOADL_FLAGS_LAST            0x01000000
 527
 528         __be32 address;
 529 }__attribute__((packed, aligned (8)));
 530
 531 struct ipr_ioadl64_desc {
 532         __be32 flags;
 533         __be32 data_len;
 534         __be64 address;
 535 }__attribute__((packed, aligned (16)));
 536
 537 struct ipr_ata64_ioadl {
 538         struct ipr_ioarcb_ata_regs regs;
 539         u16 reserved[5];
 540         struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
 541 }__attribute__((packed, aligned (16)));
 542
 543 struct ipr_ioarcb_add_data {
 544         union {
 545                 struct ipr_ioarcb_ata_regs regs;
 546                 struct ipr_ioadl_desc ioadl[5];
 547                 __be32 add_cmd_parms[10];
 548         } u;
 549 }__attribute__ ((packed, aligned (4)));
 550
 551 struct ipr_ioarcb_sis64_add_addr_ecb {
 552         __be64 ioasa_host_pci_addr;
 553         __be64 data_ioadl_addr;
 554         __be64 reserved;
 555         __be32 ext_control_buf[4];
 556 }__attribute__((packed, aligned (8)));
 557
 558 /* IOA Request Control Block    128 bytes  */
 559 struct ipr_ioarcb {
 560         union {
 561                 __be32 ioarcb_host_pci_addr;
 562                 __be64 ioarcb_host_pci_addr64;
 563         } a;
 564         __be32 res_handle;
 565         __be32 host_response_handle;
 566         __be32 reserved1;
 567         __be32 reserved2;
 568         __be32 reserved3;
 569
 570         __be32 data_transfer_length;
 571         __be32 read_data_transfer_length;
 572         __be32 write_ioadl_addr;
 573         __be32 ioadl_len;
 574         __be32 read_ioadl_addr;
 575         __be32 read_ioadl_len;
 576
 577         __be32 ioasa_host_pci_addr;
 578         __be16 ioasa_len;
 579         __be16 reserved4;
 580
 581         struct ipr_cmd_pkt cmd_pkt;
 582
 583         __be16 add_cmd_parms_offset;
 584         __be16 add_cmd_parms_len;
 585
 586         union {
 587                 struct ipr_ioarcb_add_data add_data;
 588                 struct ipr_ioarcb_sis64_add_addr_ecb sis64_addr_data;
 589         } u;
 590
 591 }__attribute__((packed, aligned (4)));
 592
 593 struct ipr_ioasa_vset {
 594         __be32 failing_lba_hi;
 595         __be32 failing_lba_lo;
 596         __be32 reserved;
 597 }__attribute__((packed, aligned (4)));
 598
 599 struct ipr_ioasa_af_dasd {
 600         __be32 failing_lba;
 601         __be32 reserved[2];
 602 }__attribute__((packed, aligned (4)));
 603
 604 struct ipr_ioasa_gpdd {
 605         u8 end_state;
 606         u8 bus_phase;
 607         __be16 reserved;
 608         __be32 ioa_data[2];
 609 }__attribute__((packed, aligned (4)));
 610
 611 struct ipr_ioasa_gata {
 612         u8 error;
 613         u8 nsect;               /* Interrupt reason */
 614         u8 lbal;
 615         u8 lbam;
 616         u8 lbah;
 617         u8 device;
 618         u8 status;
 619         u8 alt_status;  /* ATA CTL */
 620         u8 hob_nsect;
 621         u8 hob_lbal;
 622         u8 hob_lbam;
 623         u8 hob_lbah;
 624 }__attribute__((packed, aligned (4)));
 625
 626 struct ipr_auto_sense {
 627         __be16 auto_sense_len;
 628         __be16 ioa_data_len;
 629         __be32 data[SCSI_SENSE_BUFFERSIZE/sizeof(__be32)];
 630 };
 631
 632 struct ipr_ioasa_hdr {
 633         __be32 ioasc;
 634 #define IPR_IOASC_SENSE_KEY(ioasc) ((ioasc) >> 24)
 635 #define IPR_IOASC_SENSE_CODE(ioasc) (((ioasc) & 0x00ff0000) >> 16)
 636 #define IPR_IOASC_SENSE_QUAL(ioasc) (((ioasc) & 0x0000ff00) >> 8)
 637 #define IPR_IOASC_SENSE_STATUS(ioasc) ((ioasc) & 0x000000ff)
 638
 639         __be16 ret_stat_len;    /* Length of the returned IOASA */
 640
 641         __be16 avail_stat_len;  /* Total Length of status available. */
 642
 643         __be32 residual_data_len;       /* number of bytes in the host data */
 644         /* buffers that were not used by the IOARCB command. */
 645
 646         __be32 ilid;
 647 #define IPR_NO_ILID                     0
 648 #define IPR_DRIVER_ILID         0xffffffff
 649
 650         __be32 fd_ioasc;
 651
 652         __be32 fd_phys_locator;
 653
 654         __be32 fd_res_handle;
 655
 656         __be32 ioasc_specific;  /* status code specific field */
 657 #define IPR_ADDITIONAL_STATUS_FMT               0x80000000
 658 #define IPR_AUTOSENSE_VALID                     0x40000000
 659 #define IPR_ATA_DEVICE_WAS_RESET                0x20000000
 660 #define IPR_IOASC_SPECIFIC_MASK         0x00ffffff
 661 #define IPR_FIELD_POINTER_VALID         (0x80000000 >> 8)
 662 #define IPR_FIELD_POINTER_MASK          0x0000ffff
 663
 664 }__attribute__((packed, aligned (4)));
 665
 666 struct ipr_ioasa {
 667         struct ipr_ioasa_hdr hdr;
 668
 669         union {
 670                 struct ipr_ioasa_vset vset;
 671                 struct ipr_ioasa_af_dasd dasd;
 672                 struct ipr_ioasa_gpdd gpdd;
 673                 struct ipr_ioasa_gata gata;
 674         } u;
 675
 676         struct ipr_auto_sense auto_sense;
 677 }__attribute__((packed, aligned (4)));
 678
 679 struct ipr_ioasa64 {
 680         struct ipr_ioasa_hdr hdr;
 681         u8 fd_res_path[8];
 682
 683         union {
 684                 struct ipr_ioasa_vset vset;
 685                 struct ipr_ioasa_af_dasd dasd;
 686                 struct ipr_ioasa_gpdd gpdd;
 687                 struct ipr_ioasa_gata gata;
 688         } u;
 689
 690         struct ipr_auto_sense auto_sense;
 691 }__attribute__((packed, aligned (4)));
 692
 693 struct ipr_mode_parm_hdr {
 694         u8 length;
 695         u8 medium_type;
 696         u8 device_spec_parms;
 697         u8 block_desc_len;
 698 }__attribute__((packed));
 699
 700 struct ipr_mode_pages {
 701         struct ipr_mode_parm_hdr hdr;
 702         u8 data[255 - sizeof(struct ipr_mode_parm_hdr)];
 703 }__attribute__((packed));
 704
 705 struct ipr_mode_page_hdr {
 706         u8 ps_page_code;
 707 #define IPR_MODE_PAGE_PS        0x80
 708 #define IPR_GET_MODE_PAGE_CODE(hdr) ((hdr)->ps_page_code & 0x3F)
 709         u8 page_length;
 710 }__attribute__ ((packed));
 711
 712 struct ipr_dev_bus_entry {
 713         struct ipr_res_addr res_addr;
 714         u8 flags;
 715 #define IPR_SCSI_ATTR_ENABLE_QAS                        0x80
 716 #define IPR_SCSI_ATTR_DISABLE_QAS                       0x40
 717 #define IPR_SCSI_ATTR_QAS_MASK                          0xC0
 718 #define IPR_SCSI_ATTR_ENABLE_TM                         0x20
 719 #define IPR_SCSI_ATTR_NO_TERM_PWR                       0x10
 720 #define IPR_SCSI_ATTR_TM_SUPPORTED                      0x08
 721 #define IPR_SCSI_ATTR_LVD_TO_SE_NOT_ALLOWED     0x04
 722
 723         u8 scsi_id;
 724         u8 bus_width;
 725         u8 extended_reset_delay;
 726 #define IPR_EXTENDED_RESET_DELAY        7
 727
 728         __be32 max_xfer_rate;
 729
 730         u8 spinup_delay;
 731         u8 reserved3;
 732         __be16 reserved4;
 733 }__attribute__((packed, aligned (4)));
 734
 735 struct ipr_mode_page28 {
 736         struct ipr_mode_page_hdr hdr;
 737         u8 num_entries;
 738         u8 entry_length;
 739         struct ipr_dev_bus_entry bus[0];
 740 }__attribute__((packed));
 741
 742 struct ipr_mode_page24 {
 743         struct ipr_mode_page_hdr hdr;
 744         u8 flags;
 745 #define IPR_ENABLE_DUAL_IOA_AF 0x80
 746 }__attribute__((packed));
 747
 748 struct ipr_ioa_vpd {
 749         struct ipr_std_inq_data std_inq_data;
 750         u8 ascii_part_num[12];
 751         u8 reserved[40];
 752         u8 ascii_plant_code[4];
 753 }__attribute__((packed));
 754
 755 struct ipr_inquiry_page3 {
 756         u8 peri_qual_dev_type;
 757         u8 page_code;
 758         u8 reserved1;
 759         u8 page_length;
 760         u8 ascii_len;
 761         u8 reserved2[3];
 762         u8 load_id[4];
 763         u8 major_release;
 764         u8 card_type;
 765         u8 minor_release[2];
 766         u8 ptf_number[4];
 767         u8 patch_number[4];
 768 }__attribute__((packed));
 769
 770 struct ipr_inquiry_cap {
 771         u8 peri_qual_dev_type;
 772         u8 page_code;
 773         u8 reserved1;
 774         u8 page_length;
 775         u8 ascii_len;
 776         u8 reserved2;
 777         u8 sis_version[2];
 778         u8 cap;
 779 #define IPR_CAP_DUAL_IOA_RAID           0x80
 780         u8 reserved3[15];
 781 }__attribute__((packed));
 782
 783 #define IPR_INQUIRY_PAGE0_ENTRIES 20
 784 struct ipr_inquiry_page0 {
 785         u8 peri_qual_dev_type;
 786         u8 page_code;
 787         u8 reserved1;
 788         u8 len;
 789         u8 page[IPR_INQUIRY_PAGE0_ENTRIES];
 790 }__attribute__((packed));
 791
 792 struct ipr_hostrcb_device_data_entry {
 793         struct ipr_vpd vpd;
 794         struct ipr_res_addr dev_res_addr;
 795         struct ipr_vpd new_vpd;
 796         struct ipr_vpd ioa_last_with_dev_vpd;
 797         struct ipr_vpd cfc_last_with_dev_vpd;
 798         __be32 ioa_data[5];
 799 }__attribute__((packed, aligned (4)));
 800
 801 struct ipr_hostrcb_device_data_entry_enhanced {
 802         struct ipr_ext_vpd vpd;
 803         u8 ccin[4];
 804         struct ipr_res_addr dev_res_addr;
 805         struct ipr_ext_vpd new_vpd;
 806         u8 new_ccin[4];
 807         struct ipr_ext_vpd ioa_last_with_dev_vpd;
 808         struct ipr_ext_vpd cfc_last_with_dev_vpd;
 809 }__attribute__((packed, aligned (4)));
 810
 811 struct ipr_hostrcb64_device_data_entry_enhanced {
 812         struct ipr_ext_vpd vpd;
 813         u8 ccin[4];
 814         u8 res_path[8];
 815         struct ipr_ext_vpd new_vpd;
 816         u8 new_ccin[4];
 817         struct ipr_ext_vpd ioa_last_with_dev_vpd;
 818         struct ipr_ext_vpd cfc_last_with_dev_vpd;
 819 }__attribute__((packed, aligned (4)));
 820
 821 struct ipr_hostrcb_array_data_entry {
 822         struct ipr_vpd vpd;
 823         struct ipr_res_addr expected_dev_res_addr;
 824         struct ipr_res_addr dev_res_addr;
 825 }__attribute__((packed, aligned (4)));
 826
 827 struct ipr_hostrcb64_array_data_entry {
 828         struct ipr_ext_vpd vpd;
 829         u8 ccin[4];
 830         u8 expected_res_path[8];
 831         u8 res_path[8];
 832 }__attribute__((packed, aligned (4)));
 833
 834 struct ipr_hostrcb_array_data_entry_enhanced {
 835         struct ipr_ext_vpd vpd;
 836         u8 ccin[4];
 837         struct ipr_res_addr expected_dev_res_addr;
 838         struct ipr_res_addr dev_res_addr;
 839 }__attribute__((packed, aligned (4)));
 840
 841 struct ipr_hostrcb_type_ff_error {
 842         __be32 ioa_data[758];
 843 }__attribute__((packed, aligned (4)));
 844
 845 struct ipr_hostrcb_type_01_error {
 846         __be32 seek_counter;
 847         __be32 read_counter;
 848         u8 sense_data[32];
 849         __be32 ioa_data[236];
 850 }__attribute__((packed, aligned (4)));
 851
 852 struct ipr_hostrcb_type_02_error {
 853         struct ipr_vpd ioa_vpd;
 854         struct ipr_vpd cfc_vpd;
 855         struct ipr_vpd ioa_last_attached_to_cfc_vpd;
 856         struct ipr_vpd cfc_last_attached_to_ioa_vpd;
 857         __be32 ioa_data[3];
 858 }__attribute__((packed, aligned (4)));
 859
 860 struct ipr_hostrcb_type_12_error {
 861         struct ipr_ext_vpd ioa_vpd;
 862         struct ipr_ext_vpd cfc_vpd;
 863         struct ipr_ext_vpd ioa_last_attached_to_cfc_vpd;
 864         struct ipr_ext_vpd cfc_last_attached_to_ioa_vpd;
 865         __be32 ioa_data[3];
 866 }__attribute__((packed, aligned (4)));
 867
 868 struct ipr_hostrcb_type_03_error {
 869         struct ipr_vpd ioa_vpd;
 870         struct ipr_vpd cfc_vpd;
 871         __be32 errors_detected;
 872         __be32 errors_logged;
 873         u8 ioa_data[12];
 874         struct ipr_hostrcb_device_data_entry dev[3];
 875 }__attribute__((packed, aligned (4)));
 876
 877 struct ipr_hostrcb_type_13_error {
 878         struct ipr_ext_vpd ioa_vpd;
 879         struct ipr_ext_vpd cfc_vpd;
 880         __be32 errors_detected;
 881         __be32 errors_logged;
 882         struct ipr_hostrcb_device_data_entry_enhanced dev[3];
 883 }__attribute__((packed, aligned (4)));
 884
 885 struct ipr_hostrcb_type_23_error {
 886         struct ipr_ext_vpd ioa_vpd;
 887         struct ipr_ext_vpd cfc_vpd;
 888         __be32 errors_detected;
 889         __be32 errors_logged;
 890         struct ipr_hostrcb64_device_data_entry_enhanced dev[3];
 891 }__attribute__((packed, aligned (4)));
 892
 893 struct ipr_hostrcb_type_04_error {
 894         struct ipr_vpd ioa_vpd;
 895         struct ipr_vpd cfc_vpd;
 896         u8 ioa_data[12];
 897         struct ipr_hostrcb_array_data_entry array_member[10];
 898         __be32 exposed_mode_adn;
 899         __be32 array_id;
 900         struct ipr_vpd incomp_dev_vpd;
 901         __be32 ioa_data2;
 902         struct ipr_hostrcb_array_data_entry array_member2[8];
 903         struct ipr_res_addr last_func_vset_res_addr;
 904         u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
 905         u8 protection_level[8];
 906 }__attribute__((packed, aligned (4)));
 907
 908 struct ipr_hostrcb_type_14_error {
 909         struct ipr_ext_vpd ioa_vpd;
 910         struct ipr_ext_vpd cfc_vpd;
 911         __be32 exposed_mode_adn;
 912         __be32 array_id;
 913         struct ipr_res_addr last_func_vset_res_addr;
 914         u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
 915         u8 protection_level[8];
 916         __be32 num_entries;
 917         struct ipr_hostrcb_array_data_entry_enhanced array_member[18];
 918 }__attribute__((packed, aligned (4)));
 919
 920 struct ipr_hostrcb_type_24_error {
 921         struct ipr_ext_vpd ioa_vpd;
 922         struct ipr_ext_vpd cfc_vpd;
 923         u8 reserved[2];
 924         u8 exposed_mode_adn;
 925 #define IPR_INVALID_ARRAY_DEV_NUM               0xff
 926         u8 array_id;
 927         u8 last_res_path[8];
 928         u8 protection_level[8];
 929         struct ipr_ext_vpd64 array_vpd;
 930         u8 description[16];
 931         u8 reserved2[3];
 932         u8 num_entries;
 933         struct ipr_hostrcb64_array_data_entry array_member[32];
 934 }__attribute__((packed, aligned (4)));
 935
 936 struct ipr_hostrcb_type_07_error {
 937         u8 failure_reason[64];
 938         struct ipr_vpd vpd;
 939         u32 data[222];
 940 }__attribute__((packed, aligned (4)));
 941
 942 struct ipr_hostrcb_type_17_error {
 943         u8 failure_reason[64];
 944         struct ipr_ext_vpd vpd;
 945         u32 data[476];
 946 }__attribute__((packed, aligned (4)));
 947
 948 struct ipr_hostrcb_config_element {
 949         u8 type_status;
 950 #define IPR_PATH_CFG_TYPE_MASK  0xF0
 951 #define IPR_PATH_CFG_NOT_EXIST  0x00
 952 #define IPR_PATH_CFG_IOA_PORT           0x10
 953 #define IPR_PATH_CFG_EXP_PORT           0x20
 954 #define IPR_PATH_CFG_DEVICE_PORT        0x30
 955 #define IPR_PATH_CFG_DEVICE_LUN 0x40
 956
 957 #define IPR_PATH_CFG_STATUS_MASK        0x0F
 958 #define IPR_PATH_CFG_NO_PROB            0x00
 959 #define IPR_PATH_CFG_DEGRADED           0x01
 960 #define IPR_PATH_CFG_FAILED             0x02
 961 #define IPR_PATH_CFG_SUSPECT            0x03
 962 #define IPR_PATH_NOT_DETECTED           0x04
 963 #define IPR_PATH_INCORRECT_CONN 0x05
 964
 965         u8 cascaded_expander;
 966         u8 phy;
 967         u8 link_rate;
 968 #define IPR_PHY_LINK_RATE_MASK  0x0F
 969
 970         __be32 wwid[2];
 971 }__attribute__((packed, aligned (4)));
 972
 973 struct ipr_hostrcb64_config_element {
 974         __be16 length;
 975         u8 descriptor_id;
 976 #define IPR_DESCRIPTOR_MASK             0xC0
 977 #define IPR_DESCRIPTOR_SIS64            0x00
 978
 979         u8 reserved;
 980         u8 type_status;
 981
 982         u8 reserved2[2];
 983         u8 link_rate;
 984
 985         u8 res_path[8];
 986         __be32 wwid[2];
 987 }__attribute__((packed, aligned (8)));
 988
 989 struct ipr_hostrcb_fabric_desc {
 990         __be16 length;
 991         u8 ioa_port;
 992         u8 cascaded_expander;
 993         u8 phy;
 994         u8 path_state;
 995 #define IPR_PATH_ACTIVE_MASK            0xC0
 996 #define IPR_PATH_NO_INFO                0x00
 997 #define IPR_PATH_ACTIVE                 0x40
 998 #define IPR_PATH_NOT_ACTIVE             0x80
 999
1000 #define IPR_PATH_STATE_MASK             0x0F
1001 #define IPR_PATH_STATE_NO_INFO  0x00
1002 #define IPR_PATH_HEALTHY                0x01
1003 #define IPR_PATH_DEGRADED               0x02
1004 #define IPR_PATH_FAILED                 0x03
1005
1006         __be16 num_entries;
1007         struct ipr_hostrcb_config_element elem[1];
1008 }__attribute__((packed, aligned (4)));
1009
1010 struct ipr_hostrcb64_fabric_desc {
1011         __be16 length;
1012         u8 descriptor_id;
1013
1014         u8 reserved[2];
1015         u8 path_state;
1016
1017         u8 reserved2[2];
1018         u8 res_path[8];
1019         u8 reserved3[6];
1020         __be16 num_entries;
1021         struct ipr_hostrcb64_config_element elem[1];
1022 }__attribute__((packed, aligned (8)));
1023
1024 #define for_each_fabric_cfg(fabric, cfg) \
1025                 for (cfg = (fabric)->elem; \
1026                         cfg < ((fabric)->elem + be16_to_cpu((fabric)->num_entries)); \
1027                         cfg++)
1028
1029 struct ipr_hostrcb_type_20_error {
1030         u8 failure_reason[64];
1031         u8 reserved[3];
1032         u8 num_entries;
1033         struct ipr_hostrcb_fabric_desc desc[1];
1034 }__attribute__((packed, aligned (4)));
1035
1036 struct ipr_hostrcb_type_30_error {
1037         u8 failure_reason[64];
1038         u8 reserved[3];
1039         u8 num_entries;
1040         struct ipr_hostrcb64_fabric_desc desc[1];
1041 }__attribute__((packed, aligned (4)));
1042
1043 struct ipr_hostrcb_error {
1044         __be32 fd_ioasc;
1045         struct ipr_res_addr fd_res_addr;
1046         __be32 fd_res_handle;
1047         __be32 prc;
1048         union {
1049                 struct ipr_hostrcb_type_ff_error type_ff_error;
1050                 struct ipr_hostrcb_type_01_error type_01_error;
1051                 struct ipr_hostrcb_type_02_error type_02_error;
1052                 struct ipr_hostrcb_type_03_error type_03_error;
1053                 struct ipr_hostrcb_type_04_error type_04_error;
1054                 struct ipr_hostrcb_type_07_error type_07_error;
1055                 struct ipr_hostrcb_type_12_error type_12_error;
1056                 struct ipr_hostrcb_type_13_error type_13_error;
1057                 struct ipr_hostrcb_type_14_error type_14_error;
1058                 struct ipr_hostrcb_type_17_error type_17_error;
1059                 struct ipr_hostrcb_type_20_error type_20_error;
1060         } u;
1061 }__attribute__((packed, aligned (4)));
1062
1063 struct ipr_hostrcb64_error {
1064         __be32 fd_ioasc;
1065         __be32 ioa_fw_level;
1066         __be32 fd_res_handle;
1067         __be32 prc;
1068         __be64 fd_dev_id;
1069         __be64 fd_lun;
1070         u8 fd_res_path[8];
1071         __be64 time_stamp;
1072         u8 reserved[16];
1073         union {
1074                 struct ipr_hostrcb_type_ff_error type_ff_error;
1075                 struct ipr_hostrcb_type_12_error type_12_error;
1076                 struct ipr_hostrcb_type_17_error type_17_error;
1077                 struct ipr_hostrcb_type_23_error type_23_error;
1078                 struct ipr_hostrcb_type_24_error type_24_error;
1079                 struct ipr_hostrcb_type_30_error type_30_error;
1080         } u;
1081 }__attribute__((packed, aligned (8)));
1082
1083 struct ipr_hostrcb_raw {
1084         __be32 data[sizeof(struct ipr_hostrcb_error)/sizeof(__be32)];
1085 }__attribute__((packed, aligned (4)));
1086
1087 struct ipr_hcam {
1088         u8 op_code;
1089 #define IPR_HOST_RCB_OP_CODE_CONFIG_CHANGE                      0xE1
1090 #define IPR_HOST_RCB_OP_CODE_LOG_DATA                           0xE2
1091
1092         u8 notify_type;
1093 #define IPR_HOST_RCB_NOTIF_TYPE_EXISTING_CHANGED        0x00
1094 #define IPR_HOST_RCB_NOTIF_TYPE_NEW_ENTRY                       0x01
1095 #define IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY                       0x02
1096 #define IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY         0x10
1097 #define IPR_HOST_RCB_NOTIF_TYPE_INFORMATION_ENTRY       0x11
1098
1099         u8 notifications_lost;
1100 #define IPR_HOST_RCB_NO_NOTIFICATIONS_LOST                      0
1101 #define IPR_HOST_RCB_NOTIFICATIONS_LOST                         0x80
1102
1103         u8 flags;
1104 #define IPR_HOSTRCB_INTERNAL_OPER       0x80
1105 #define IPR_HOSTRCB_ERR_RESP_SENT       0x40
1106
1107         u8 overlay_id;
1108 #define IPR_HOST_RCB_OVERLAY_ID_1                               0x01
1109 #define IPR_HOST_RCB_OVERLAY_ID_2                               0x02
1110 #define IPR_HOST_RCB_OVERLAY_ID_3                               0x03
1111 #define IPR_HOST_RCB_OVERLAY_ID_4                               0x04
1112 #define IPR_HOST_RCB_OVERLAY_ID_6                               0x06
1113 #define IPR_HOST_RCB_OVERLAY_ID_7                               0x07
1114 #define IPR_HOST_RCB_OVERLAY_ID_12                              0x12
1115 #define IPR_HOST_RCB_OVERLAY_ID_13                              0x13
1116 #define IPR_HOST_RCB_OVERLAY_ID_14                              0x14
1117 #define IPR_HOST_RCB_OVERLAY_ID_16                              0x16
1118 #define IPR_HOST_RCB_OVERLAY_ID_17                              0x17
1119 #define IPR_HOST_RCB_OVERLAY_ID_20                              0x20
1120 #define IPR_HOST_RCB_OVERLAY_ID_23                              0x23
1121 #define IPR_HOST_RCB_OVERLAY_ID_24                              0x24
1122 #define IPR_HOST_RCB_OVERLAY_ID_26                              0x26
1123 #define IPR_HOST_RCB_OVERLAY_ID_30                              0x30
1124 #define IPR_HOST_RCB_OVERLAY_ID_DEFAULT                         0xFF
1125
1126         u8 reserved1[3];
1127         __be32 ilid;
1128         __be32 time_since_last_ioa_reset;
1129         __be32 reserved2;
1130         __be32 length;
1131
1132         union {
1133                 struct ipr_hostrcb_error error;
1134                 struct ipr_hostrcb64_error error64;
1135                 struct ipr_hostrcb_cfg_ch_not ccn;
1136                 struct ipr_hostrcb_raw raw;
1137         } u;
1138 }__attribute__((packed, aligned (4)));
1139
1140 struct ipr_hostrcb {
1141         struct ipr_hcam hcam;
1142         dma_addr_t hostrcb_dma;
1143         struct list_head queue;
1144         struct ipr_ioa_cfg *ioa_cfg;
1145         char rp_buffer[IPR_MAX_RES_PATH_LENGTH];
1146 };
1147
1148 /* IPR smart dump table structures */
1149 struct ipr_sdt_entry {
1150         __be32 start_token;
1151         __be32 end_token;
1152         u8 reserved[4];
1153
1154         u8 flags;
1155 #define IPR_SDT_ENDIAN          0x80
1156 #define IPR_SDT_VALID_ENTRY     0x20
1157
1158         u8 resv;
1159         __be16 priority;
1160 }__attribute__((packed, aligned (4)));
1161
1162 struct ipr_sdt_header {
1163         __be32 state;
1164         __be32 num_entries;
1165         __be32 num_entries_used;
1166         __be32 dump_size;
1167 }__attribute__((packed, aligned (4)));
1168
1169 struct ipr_sdt {
1170         struct ipr_sdt_header hdr;
1171         struct ipr_sdt_entry entry[IPR_FMT3_NUM_SDT_ENTRIES];
1172 }__attribute__((packed, aligned (4)));
1173
1174 struct ipr_uc_sdt {
1175         struct ipr_sdt_header hdr;
1176         struct ipr_sdt_entry entry[1];
1177 }__attribute__((packed, aligned (4)));
1178
1179 /*
1180  * Driver types
1181  */
1182 struct ipr_bus_attributes {
1183         u8 bus;
1184         u8 qas_enabled;
1185         u8 bus_width;
1186         u8 reserved;
1187         u32 max_xfer_rate;
1188 };
1189
1190 struct ipr_sata_port {
1191         struct ipr_ioa_cfg *ioa_cfg;
1192         struct ata_port *ap;
1193         struct ipr_resource_entry *res;
1194         struct ipr_ioasa_gata ioasa;
1195 };
1196
1197 struct ipr_resource_entry {
1198         u8 needs_sync_complete:1;
1199         u8 in_erp:1;
1200         u8 add_to_ml:1;
1201         u8 del_from_ml:1;
1202         u8 resetting_device:1;
1203
1204         u32 bus;                /* AKA channel */
1205         u32 target;             /* AKA id */
1206         u32 lun;
1207 #define IPR_ARRAY_VIRTUAL_BUS                   0x1
1208 #define IPR_VSET_VIRTUAL_BUS                    0x2
1209 #define IPR_IOAFP_VIRTUAL_BUS                   0x3
1210
1211 #define IPR_GET_RES_PHYS_LOC(res) \
1212         (((res)->bus << 24) | ((res)->target << 8) | (res)->lun)
1213
1214         u8 ata_class;
1215
1216         u8 flags;
1217         __be16 res_flags;
1218
1219         u8 type;
1220
1221         u8 qmodel;
1222         struct ipr_std_inq_data std_inq_data;
1223
1224         __be32 res_handle;
1225         __be64 dev_id;
1226         __be64 lun_wwn;
1227         struct scsi_lun dev_lun;
1228         u8 res_path[8];
1229
1230         struct ipr_ioa_cfg *ioa_cfg;
1231         struct scsi_device *sdev;
1232         struct ipr_sata_port *sata_port;
1233         struct list_head queue;
1234 }; /* struct ipr_resource_entry */
1235
1236 struct ipr_resource_hdr {
1237         u16 num_entries;
1238         u16 reserved;
1239 };
1240
1241 struct ipr_misc_cbs {
1242         struct ipr_ioa_vpd ioa_vpd;
1243         struct ipr_inquiry_page0 page0_data;
1244         struct ipr_inquiry_page3 page3_data;
1245         struct ipr_inquiry_cap cap;
1246         struct ipr_mode_pages mode_pages;
1247         struct ipr_supported_device supp_dev;
1248 };
1249
1250 struct ipr_interrupt_offsets {
1251         unsigned long set_interrupt_mask_reg;
1252         unsigned long clr_interrupt_mask_reg;
1253         unsigned long clr_interrupt_mask_reg32;
1254         unsigned long sense_interrupt_mask_reg;
1255         unsigned long sense_interrupt_mask_reg32;
1256         unsigned long clr_interrupt_reg;
1257         unsigned long clr_interrupt_reg32;
1258
1259         unsigned long sense_interrupt_reg;
1260         unsigned long sense_interrupt_reg32;
1261         unsigned long ioarrin_reg;
1262         unsigned long sense_uproc_interrupt_reg;
1263         unsigned long sense_uproc_interrupt_reg32;
1264         unsigned long set_uproc_interrupt_reg;
1265         unsigned long set_uproc_interrupt_reg32;
1266         unsigned long clr_uproc_interrupt_reg;
1267         unsigned long clr_uproc_interrupt_reg32;
1268
1269         unsigned long init_feedback_reg;
1270
1271         unsigned long dump_addr_reg;
1272         unsigned long dump_data_reg;
1273
1274 #define IPR_ENDIAN_SWAP_KEY             0x00080800
1275         unsigned long endian_swap_reg;
1276 };
1277
1278 struct ipr_interrupts {
1279         void __iomem *set_interrupt_mask_reg;
1280         void __iomem *clr_interrupt_mask_reg;
1281         void __iomem *clr_interrupt_mask_reg32;
1282         void __iomem *sense_interrupt_mask_reg;
1283         void __iomem *sense_interrupt_mask_reg32;
1284         void __iomem *clr_interrupt_reg;
1285         void __iomem *clr_interrupt_reg32;
1286
1287         void __iomem *sense_interrupt_reg;
1288         void __iomem *sense_interrupt_reg32;
1289         void __iomem *ioarrin_reg;
1290         void __iomem *sense_uproc_interrupt_reg;
1291         void __iomem *sense_uproc_interrupt_reg32;
1292         void __iomem *set_uproc_interrupt_reg;
1293         void __iomem *set_uproc_interrupt_reg32;
1294         void __iomem *clr_uproc_interrupt_reg;
1295         void __iomem *clr_uproc_interrupt_reg32;
1296
1297         void __iomem *init_feedback_reg;
1298
1299         void __iomem *dump_addr_reg;
1300         void __iomem *dump_data_reg;
1301
1302         void __iomem *endian_swap_reg;
1303 };
1304
1305 struct ipr_chip_cfg_t {
1306         u32 mailbox;
1307         u8 cache_line_size;
1308         struct ipr_interrupt_offsets regs;
1309 };
1310
1311 struct ipr_chip_t {
1312         u16 vendor;
1313         u16 device;
1314         u16 intr_type;
1315 #define IPR_USE_LSI                     0x00
1316 #define IPR_USE_MSI                     0x01
1317         u16 sis_type;
1318 #define IPR_SIS32                       0x00
1319 #define IPR_SIS64                       0x01
1320         u16 bist_method;
1321 #define IPR_PCI_CFG                     0x00
1322 #define IPR_MMIO                        0x01
1323         const struct ipr_chip_cfg_t *cfg;
1324 };
1325
1326 enum ipr_shutdown_type {
1327         IPR_SHUTDOWN_NORMAL = 0x00,
1328         IPR_SHUTDOWN_PREPARE_FOR_NORMAL = 0x40,
1329         IPR_SHUTDOWN_ABBREV = 0x80,
1330         IPR_SHUTDOWN_NONE = 0x100
1331 };
1332
1333 struct ipr_trace_entry {
1334         u32 time;
1335
1336         u8 op_code;
1337         u8 ata_op_code;
1338         u8 type;
1339 #define IPR_TRACE_START                 0x00
1340 #define IPR_TRACE_FINISH                0xff
1341         u8 cmd_index;
1342
1343         __be32 res_handle;
1344         union {
1345                 u32 ioasc;
1346                 u32 add_data;
1347                 u32 res_addr;
1348         } u;
1349 };
1350
1351 struct ipr_sglist {
1352         u32 order;
1353         u32 num_sg;
1354         u32 num_dma_sg;
1355         u32 buffer_len;
1356         struct scatterlist scatterlist[1];
1357 };
1358
1359 enum ipr_sdt_state {
1360         INACTIVE,
1361         WAIT_FOR_DUMP,
1362         GET_DUMP,
1363         READ_DUMP,
1364         ABORT_DUMP,
1365         DUMP_OBTAINED
1366 };
1367
1368 /* Per-controller data */
1369 struct ipr_ioa_cfg {
1370         char eye_catcher[8];
1371 #define IPR_EYECATCHER                  "iprcfg"
1372
1373         struct list_head queue;
1374
1375         u8 allow_interrupts:1;
1376         u8 in_reset_reload:1;
1377         u8 in_ioa_bringdown:1;
1378         u8 ioa_unit_checked:1;
1379         u8 ioa_is_dead:1;
1380         u8 dump_taken:1;
1381         u8 allow_cmds:1;
1382         u8 allow_ml_add_del:1;
1383         u8 needs_hard_reset:1;
1384         u8 dual_raid:1;
1385         u8 needs_warm_reset:1;
1386         u8 msi_received:1;
1387         u8 sis64:1;
1388         u8 dump_timeout:1;
1389
1390         u8 revid;
1391
1392         /*
1393          * Bitmaps for SIS64 generated target values
1394          */
1395         unsigned long *target_ids;
1396         unsigned long *array_ids;
1397         unsigned long *vset_ids;
1398
1399         u16 type; /* CCIN of the card */
1400
1401         u8 log_level;
1402 #define IPR_MAX_LOG_LEVEL                       4
1403 #define IPR_DEFAULT_LOG_LEVEL           2
1404
1405 #define IPR_NUM_TRACE_INDEX_BITS        8
1406 #define IPR_NUM_TRACE_ENTRIES           (1 << IPR_NUM_TRACE_INDEX_BITS)
1407 #define IPR_TRACE_SIZE  (sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES)
1408         char trace_start[8];
1409 #define IPR_TRACE_START_LABEL                   "trace"
1410         struct ipr_trace_entry *trace;
1411         u32 trace_index:IPR_NUM_TRACE_INDEX_BITS;
1412
1413         /*
1414          * Queue for free command blocks
1415          */
1416         char ipr_free_label[8];
1417 #define IPR_FREEQ_LABEL                 "free-q"
1418         struct list_head free_q;
1419
1420         /*
1421          * Queue for command blocks outstanding to the adapter
1422          */
1423         char ipr_pending_label[8];
1424 #define IPR_PENDQ_LABEL                 "pend-q"
1425         struct list_head pending_q;
1426
1427         char cfg_table_start[8];
1428 #define IPR_CFG_TBL_START               "cfg"
1429         union {
1430                 struct ipr_config_table *cfg_table;
1431                 struct ipr_config_table64 *cfg_table64;
1432         } u;
1433         dma_addr_t cfg_table_dma;
1434         u32 cfg_table_size;
1435         u32 max_devs_supported;
1436
1437         char resource_table_label[8];
1438 #define IPR_RES_TABLE_LABEL             "res_tbl"
1439         struct ipr_resource_entry *res_entries;
1440         struct list_head free_res_q;
1441         struct list_head used_res_q;
1442
1443         char ipr_hcam_label[8];
1444 #define IPR_HCAM_LABEL                  "hcams"
1445         struct ipr_hostrcb *hostrcb[IPR_NUM_HCAMS];
1446         dma_addr_t hostrcb_dma[IPR_NUM_HCAMS];
1447         struct list_head hostrcb_free_q;
1448         struct list_head hostrcb_pending_q;
1449
1450         __be32 *host_rrq;
1451         dma_addr_t host_rrq_dma;
1452 #define IPR_HRRQ_REQ_RESP_HANDLE_MASK   0xfffffffc
1453 #define IPR_HRRQ_RESP_BIT_SET                   0x00000002
1454 #define IPR_HRRQ_TOGGLE_BIT                             0x00000001
1455 #define IPR_HRRQ_REQ_RESP_HANDLE_SHIFT  2
1456         volatile __be32 *hrrq_start;
1457         volatile __be32 *hrrq_end;
1458         volatile __be32 *hrrq_curr;
1459         volatile u32 toggle_bit;
1460
1461         struct ipr_bus_attributes bus_attr[IPR_MAX_NUM_BUSES];
1462
1463         unsigned int transop_timeout;
1464         const struct ipr_chip_cfg_t *chip_cfg;
1465         const struct ipr_chip_t *ipr_chip;
1466
1467         void __iomem *hdw_dma_regs;     /* iomapped PCI memory space */
1468         unsigned long hdw_dma_regs_pci; /* raw PCI memory space */
1469         void __iomem *ioa_mailbox;
1470         struct ipr_interrupts regs;
1471
1472         u16 saved_pcix_cmd_reg;
1473         u16 reset_retries;
1474
1475         u32 errors_logged;
1476         u32 doorbell;
1477
1478         struct Scsi_Host *host;
1479         struct pci_dev *pdev;
1480         struct ipr_sglist *ucode_sglist;
1481         u8 saved_mode_page_len;
1482
1483         struct work_struct work_q;
1484
1485         wait_queue_head_t reset_wait_q;
1486         wait_queue_head_t msi_wait_q;
1487
1488         struct ipr_dump *dump;
1489         enum ipr_sdt_state sdt_state;
1490
1491         struct ipr_misc_cbs *vpd_cbs;
1492         dma_addr_t vpd_cbs_dma;
1493
1494         struct pci_pool *ipr_cmd_pool;
1495
1496         struct ipr_cmnd *reset_cmd;
1497         int (*reset) (struct ipr_cmnd *);
1498
1499         struct ata_host ata_host;
1500         char ipr_cmd_label[8];
1501 #define IPR_CMD_LABEL           "ipr_cmd"
1502         struct ipr_cmnd *ipr_cmnd_list[IPR_NUM_CMD_BLKS];
1503         dma_addr_t ipr_cmnd_list_dma[IPR_NUM_CMD_BLKS];
1504 }; /* struct ipr_ioa_cfg */
1505
1506 struct ipr_cmnd {
1507         struct ipr_ioarcb ioarcb;
1508         union {
1509                 struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
1510                 struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
1511                 struct ipr_ata64_ioadl ata_ioadl;
1512         } i;
1513         union {
1514                 struct ipr_ioasa ioasa;
1515                 struct ipr_ioasa64 ioasa64;
1516         } s;
1517         struct list_head queue;
1518         struct scsi_cmnd *scsi_cmd;
1519         struct ata_queued_cmd *qc;
1520         struct completion completion;
1521         struct timer_list timer;
1522         void (*done) (struct ipr_cmnd *);
1523         int (*job_step) (struct ipr_cmnd *);
1524         int (*job_step_failed) (struct ipr_cmnd *);
1525         u16 cmd_index;
1526         u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
1527         dma_addr_t sense_buffer_dma;
1528         unsigned short dma_use_sg;
1529         dma_addr_t dma_addr;
1530         struct ipr_cmnd *sibling;
1531         union {
1532                 enum ipr_shutdown_type shutdown_type;
1533                 struct ipr_hostrcb *hostrcb;
1534                 unsigned long time_left;
1535                 unsigned long scratch;
1536                 struct ipr_resource_entry *res;
1537                 struct scsi_device *sdev;
1538         } u;
1539
1540         struct ipr_ioa_cfg *ioa_cfg;
1541 };
1542
1543 struct ipr_ses_table_entry {
1544         char product_id[17];
1545         char compare_product_id_byte[17];
1546         u32 max_bus_speed_limit;        /* MB/sec limit for this backplane */
1547 };
1548
1549 struct ipr_dump_header {
1550         u32 eye_catcher;
1551 #define IPR_DUMP_EYE_CATCHER            0xC5D4E3F2
1552         u32 len;
1553         u32 num_entries;
1554         u32 first_entry_offset;
1555         u32 status;
1556 #define IPR_DUMP_STATUS_SUCCESS                 0
1557 #define IPR_DUMP_STATUS_QUAL_SUCCESS            2
1558 #define IPR_DUMP_STATUS_FAILED                  0xffffffff
1559         u32 os;
1560 #define IPR_DUMP_OS_LINUX       0x4C4E5558
1561         u32 driver_name;
1562 #define IPR_DUMP_DRIVER_NAME    0x49505232
1563 }__attribute__((packed, aligned (4)));
1564
1565 struct ipr_dump_entry_header {
1566         u32 eye_catcher;
1567 #define IPR_DUMP_EYE_CATCHER            0xC5D4E3F2
1568         u32 len;
1569         u32 num_elems;
1570         u32 offset;
1571         u32 data_type;
1572 #define IPR_DUMP_DATA_TYPE_ASCII        0x41534349
1573 #define IPR_DUMP_DATA_TYPE_BINARY       0x42494E41
1574         u32 id;
1575 #define IPR_DUMP_IOA_DUMP_ID            0x494F4131
1576 #define IPR_DUMP_LOCATION_ID            0x4C4F4341
1577 #define IPR_DUMP_TRACE_ID               0x54524143
1578 #define IPR_DUMP_DRIVER_VERSION_ID      0x44525652
1579 #define IPR_DUMP_DRIVER_TYPE_ID 0x54595045
1580 #define IPR_DUMP_IOA_CTRL_BLK           0x494F4342
1581 #define IPR_DUMP_PEND_OPS               0x414F5053
1582         u32 status;
1583 }__attribute__((packed, aligned (4)));
1584
1585 struct ipr_dump_location_entry {
1586         struct ipr_dump_entry_header hdr;
1587         u8 location[20];
1588 }__attribute__((packed));
1589
1590 struct ipr_dump_trace_entry {
1591         struct ipr_dump_entry_header hdr;
1592         u32 trace[IPR_TRACE_SIZE / sizeof(u32)];
1593 }__attribute__((packed, aligned (4)));
1594
1595 struct ipr_dump_version_entry {
1596         struct ipr_dump_entry_header hdr;
1597         u8 version[sizeof(IPR_DRIVER_VERSION)];
1598 };
1599
1600 struct ipr_dump_ioa_type_entry {
1601         struct ipr_dump_entry_header hdr;
1602         u32 type;
1603         u32 fw_version;
1604 };
1605
1606 struct ipr_driver_dump {
1607         struct ipr_dump_header hdr;
1608         struct ipr_dump_version_entry version_entry;
1609         struct ipr_dump_location_entry location_entry;
1610         struct ipr_dump_ioa_type_entry ioa_type_entry;
1611         struct ipr_dump_trace_entry trace_entry;
1612 }__attribute__((packed));
1613
1614 struct ipr_ioa_dump {
1615         struct ipr_dump_entry_header hdr;
1616         struct ipr_sdt sdt;
1617         __be32 **ioa_data;
1618         u32 reserved;
1619         u32 next_page_index;
1620         u32 page_offset;
1621         u32 format;
1622 }__attribute__((packed, aligned (4)));
1623
1624 struct ipr_dump {
1625         struct kref kref;
1626         struct ipr_ioa_cfg *ioa_cfg;
1627         struct ipr_driver_dump driver_dump;
1628         struct ipr_ioa_dump ioa_dump;
1629 };
1630
1631 struct ipr_error_table_t {
1632         u32 ioasc;
1633         int log_ioasa;
1634         int log_hcam;
1635         char *error;
1636 };
1637
1638 struct ipr_software_inq_lid_info {
1639         __be32 load_id;
1640         __be32 timestamp[3];
1641 }__attribute__((packed, aligned (4)));
1642
1643 struct ipr_ucode_image_header {
1644         __be32 header_length;
1645         __be32 lid_table_offset;
1646         u8 major_release;
1647         u8 card_type;
1648         u8 minor_release[2];
1649         u8 reserved[20];
1650         char eyecatcher[16];
1651         __be32 num_lids;
1652         struct ipr_software_inq_lid_info lid[1];
1653 }__attribute__((packed, aligned (4)));
1654
1655 /*
1656  * Macros
1657  */
1658 #define IPR_DBG_CMD(CMD) if (ipr_debug) { CMD; }
1659
1660 #ifdef CONFIG_SCSI_IPR_TRACE
1661 #define ipr_create_trace_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1662 #define ipr_remove_trace_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1663 #else
1664 #define ipr_create_trace_file(kobj, attr) 0
1665 #define ipr_remove_trace_file(kobj, attr) do { } while(0)
1666 #endif
1667
1668 #ifdef CONFIG_SCSI_IPR_DUMP
1669 #define ipr_create_dump_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1670 #define ipr_remove_dump_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1671 #else
1672 #define ipr_create_dump_file(kobj, attr) 0
1673 #define ipr_remove_dump_file(kobj, attr) do { } while(0)
1674 #endif
1675
1676 /*
1677  * Error logging macros
1678  */
1679 #define ipr_err(...) printk(KERN_ERR IPR_NAME ": "__VA_ARGS__)
1680 #define ipr_info(...) printk(KERN_INFO IPR_NAME ": "__VA_ARGS__)
1681 #define ipr_dbg(...) IPR_DBG_CMD(printk(KERN_INFO IPR_NAME ": "__VA_ARGS__))
1682
1683 #define ipr_res_printk(level, ioa_cfg, bus, target, lun, fmt, ...) \
1684         printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1685                 bus, target, lun, ##__VA_ARGS__)
1686
1687 #define ipr_res_err(ioa_cfg, res, fmt, ...) \
1688         ipr_res_printk(KERN_ERR, ioa_cfg, (res)->bus, (res)->target, (res)->lun, fmt, ##__VA_ARGS__)
1689
1690 #define ipr_ra_printk(level, ioa_cfg, ra, fmt, ...) \
1691         printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1692                 (ra).bus, (ra).target, (ra).lun, ##__VA_ARGS__)
1693
1694 #define ipr_ra_err(ioa_cfg, ra, fmt, ...) \
1695         ipr_ra_printk(KERN_ERR, ioa_cfg, ra, fmt, ##__VA_ARGS__)
1696
1697 #define ipr_phys_res_err(ioa_cfg, res, fmt, ...)                        \
1698 {                                                                       \
1699         if ((res).bus >= IPR_MAX_NUM_BUSES) {                           \
1700                 ipr_err(fmt": unknown\n", ##__VA_ARGS__);               \
1701         } else {                                                        \
1702                 ipr_err(fmt": %d:%d:%d:%d\n",                           \
1703                         ##__VA_ARGS__, (ioa_cfg)->host->host_no,        \
1704                         (res).bus, (res).target, (res).lun);            \
1705         }                                                               \
1706 }
1707
1708 #define ipr_hcam_err(hostrcb, fmt, ...)                                 \
1709 {                                                                       \
1710         if (ipr_is_device(hostrcb)) {                                   \
1711                 if ((hostrcb)->ioa_cfg->sis64) {                        \
1712                         printk(KERN_ERR IPR_NAME ": %s: " fmt,          \
1713                                 ipr_format_res_path(hostrcb->hcam.u.error64.fd_res_path, \
1714                                         hostrcb->rp_buffer,             \
1715                                         sizeof(hostrcb->rp_buffer)),    \
1716                                 __VA_ARGS__);                           \
1717                 } else {                                                \
1718                         ipr_ra_err((hostrcb)->ioa_cfg,                  \
1719                                 (hostrcb)->hcam.u.error.fd_res_addr,    \
1720                                 fmt, __VA_ARGS__);                      \
1721                 }                                                       \
1722         } else {                                                        \
1723                 dev_err(&(hostrcb)->ioa_cfg->pdev->dev, fmt, __VA_ARGS__); \
1724         }                                                               \
1725 }
1726
1727 #define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
1728         __FILE__, __func__, __LINE__)
1729
1730 #define ENTER IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Entering %s\n", __func__))
1731 #define LEAVE IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Leaving %s\n", __func__))
1732
1733 #define ipr_err_separator \
1734 ipr_err("----------------------------------------------------------\n")
1735
1736
1737 /*
1738  * Inlines
1739  */
1740
1741 /**
1742  * ipr_is_ioa_resource - Determine if a resource is the IOA
1743  * @res:        resource entry struct
1744  *
1745  * Return value:
1746  *      1 if IOA / 0 if not IOA
1747  **/
1748 static inline int ipr_is_ioa_resource(struct ipr_resource_entry *res)
1749 {
1750         return res->type == IPR_RES_TYPE_IOAFP;
1751 }
1752
1753 /**
1754  * ipr_is_af_dasd_device - Determine if a resource is an AF DASD
1755  * @res:        resource entry struct
1756  *
1757  * Return value:
1758  *      1 if AF DASD / 0 if not AF DASD
1759  **/
1760 static inline int ipr_is_af_dasd_device(struct ipr_resource_entry *res)
1761 {
1762         return res->type == IPR_RES_TYPE_AF_DASD ||
1763                 res->type == IPR_RES_TYPE_REMOTE_AF_DASD;
1764 }
1765
1766 /**
1767  * ipr_is_vset_device - Determine if a resource is a VSET
1768  * @res:        resource entry struct
1769  *
1770  * Return value:
1771  *      1 if VSET / 0 if not VSET
1772  **/
1773 static inline int ipr_is_vset_device(struct ipr_resource_entry *res)
1774 {
1775         return res->type == IPR_RES_TYPE_VOLUME_SET;
1776 }
1777
1778 /**
1779  * ipr_is_gscsi - Determine if a resource is a generic scsi resource
1780  * @res:        resource entry struct
1781  *
1782  * Return value:
1783  *      1 if GSCSI / 0 if not GSCSI
1784  **/
1785 static inline int ipr_is_gscsi(struct ipr_resource_entry *res)
1786 {
1787         return res->type == IPR_RES_TYPE_GENERIC_SCSI;
1788 }
1789
1790 /**
1791  * ipr_is_scsi_disk - Determine if a resource is a SCSI disk
1792  * @res:        resource entry struct
1793  *
1794  * Return value:
1795  *      1 if SCSI disk / 0 if not SCSI disk
1796  **/
1797 static inline int ipr_is_scsi_disk(struct ipr_resource_entry *res)
1798 {
1799         if (ipr_is_af_dasd_device(res) ||
1800             (ipr_is_gscsi(res) && IPR_IS_DASD_DEVICE(res->std_inq_data)))
1801                 return 1;
1802         else
1803                 return 0;
1804 }
1805
1806 /**
1807  * ipr_is_gata - Determine if a resource is a generic ATA resource
1808  * @res:        resource entry struct
1809  *
1810  * Return value:
1811  *      1 if GATA / 0 if not GATA
1812  **/
1813 static inline int ipr_is_gata(struct ipr_resource_entry *res)
1814 {
1815         return res->type == IPR_RES_TYPE_GENERIC_ATA;
1816 }
1817
1818 /**
1819  * ipr_is_naca_model - Determine if a resource is using NACA queueing model
1820  * @res:        resource entry struct
1821  *
1822  * Return value:
1823  *      1 if NACA queueing model / 0 if not NACA queueing model
1824  **/
1825 static inline int ipr_is_naca_model(struct ipr_resource_entry *res)
1826 {
1827         if (ipr_is_gscsi(res) && res->qmodel == IPR_QUEUE_NACA_MODEL)
1828                 return 1;
1829         return 0;
1830 }
1831
1832 /**
1833  * ipr_is_device - Determine if the hostrcb structure is related to a device
1834  * @hostrcb:    host resource control blocks struct
1835  *
1836  * Return value:
1837  *      1 if AF / 0 if not AF
1838  **/
1839 static inline int ipr_is_device(struct ipr_hostrcb *hostrcb)
1840 {
1841         struct ipr_res_addr *res_addr;
1842         u8 *res_path;
1843
1844         if (hostrcb->ioa_cfg->sis64) {
1845                 res_path = &hostrcb->hcam.u.error64.fd_res_path[0];
1846                 if ((res_path[0] == 0x00 || res_path[0] == 0x80 ||
1847                     res_path[0] == 0x81) && res_path[2] != 0xFF)
1848                         return 1;
1849         } else {
1850                 res_addr = &hostrcb->hcam.u.error.fd_res_addr;
1851
1852                 if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
1853                     (res_addr->target < (IPR_MAX_NUM_TARGETS_PER_BUS - 1)))
1854                         return 1;
1855         }
1856         return 0;
1857 }
1858
1859 /**
1860  * ipr_sdt_is_fmt2 - Determine if a SDT address is in format 2
1861  * @sdt_word:   SDT address
1862  *
1863  * Return value:
1864  *      1 if format 2 / 0 if not
1865  **/
1866 static inline int ipr_sdt_is_fmt2(u32 sdt_word)
1867 {
1868         u32 bar_sel = IPR_GET_FMT2_BAR_SEL(sdt_word);
1869
1870         switch (bar_sel) {
1871         case IPR_SDT_FMT2_BAR0_SEL:
1872         case IPR_SDT_FMT2_BAR1_SEL:
1873         case IPR_SDT_FMT2_BAR2_SEL:
1874         case IPR_SDT_FMT2_BAR3_SEL:
1875         case IPR_SDT_FMT2_BAR4_SEL:
1876         case IPR_SDT_FMT2_BAR5_SEL:
1877         case IPR_SDT_FMT2_EXP_ROM_SEL:
1878                 return 1;
1879         };
1880
1881         return 0;
1882 }
1883
1884 #ifndef writeq
1885 static inline void writeq(u64 val, void __iomem *addr)
1886 {
1887         writel(((u32) (val >> 32)), addr);
1888         writel(((u32) (val)), (addr + 4));
1889 }
1890 #endif
1891
1892 #endif /* _IPR_H */