linux/drivers/scsi/ipr.h
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   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/*
   3 * ipr.h -- driver for IBM Power Linux RAID adapters
   4 *
   5 * Written By: Brian King <brking@us.ibm.com>, IBM Corporation
   6 *
   7 * Copyright (C) 2003, 2004 IBM Corporation
   8 *
   9 * Alan Cox <alan@lxorguk.ukuu.org.uk> - Removed several careless u32/dma_addr_t errors
  10 *                              that broke 64bit platforms.
  11 */
  12
  13#ifndef _IPR_H
  14#define _IPR_H
  15
  16#include <asm/unaligned.h>
  17#include <linux/types.h>
  18#include <linux/completion.h>
  19#include <linux/libata.h>
  20#include <linux/list.h>
  21#include <linux/kref.h>
  22#include <linux/irq_poll.h>
  23#include <scsi/scsi.h>
  24#include <scsi/scsi_cmnd.h>
  25
  26/*
  27 * Literals
  28 */
  29#define IPR_DRIVER_VERSION "2.6.4"
  30#define IPR_DRIVER_DATE "(March 14, 2017)"
  31
  32/*
  33 * IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding
  34 *      ops per device for devices not running tagged command queuing.
  35 *      This can be adjusted at runtime through sysfs device attributes.
  36 */
  37#define IPR_MAX_CMD_PER_LUN                             6
  38#define IPR_MAX_CMD_PER_ATA_LUN                 1
  39
  40/*
  41 * IPR_NUM_BASE_CMD_BLKS: This defines the maximum number of
  42 *      ops the mid-layer can send to the adapter.
  43 */
  44#define IPR_NUM_BASE_CMD_BLKS                   (ioa_cfg->max_cmds)
  45
  46#define PCI_DEVICE_ID_IBM_OBSIDIAN_E    0x0339
  47
  48#define PCI_DEVICE_ID_IBM_CROC_FPGA_E2          0x033D
  49#define PCI_DEVICE_ID_IBM_CROCODILE             0x034A
  50#define PCI_DEVICE_ID_IBM_RATTLESNAKE           0x04DA
  51
  52#define IPR_SUBS_DEV_ID_2780    0x0264
  53#define IPR_SUBS_DEV_ID_5702    0x0266
  54#define IPR_SUBS_DEV_ID_5703    0x0278
  55#define IPR_SUBS_DEV_ID_572E    0x028D
  56#define IPR_SUBS_DEV_ID_573E    0x02D3
  57#define IPR_SUBS_DEV_ID_573D    0x02D4
  58#define IPR_SUBS_DEV_ID_571A    0x02C0
  59#define IPR_SUBS_DEV_ID_571B    0x02BE
  60#define IPR_SUBS_DEV_ID_571E    0x02BF
  61#define IPR_SUBS_DEV_ID_571F    0x02D5
  62#define IPR_SUBS_DEV_ID_572A    0x02C1
  63#define IPR_SUBS_DEV_ID_572B    0x02C2
  64#define IPR_SUBS_DEV_ID_572F    0x02C3
  65#define IPR_SUBS_DEV_ID_574E    0x030A
  66#define IPR_SUBS_DEV_ID_575B    0x030D
  67#define IPR_SUBS_DEV_ID_575C    0x0338
  68#define IPR_SUBS_DEV_ID_57B3    0x033A
  69#define IPR_SUBS_DEV_ID_57B7    0x0360
  70#define IPR_SUBS_DEV_ID_57B8    0x02C2
  71
  72#define IPR_SUBS_DEV_ID_57B4    0x033B
  73#define IPR_SUBS_DEV_ID_57B2    0x035F
  74#define IPR_SUBS_DEV_ID_57C0    0x0352
  75#define IPR_SUBS_DEV_ID_57C3    0x0353
  76#define IPR_SUBS_DEV_ID_57C4    0x0354
  77#define IPR_SUBS_DEV_ID_57C6    0x0357
  78#define IPR_SUBS_DEV_ID_57CC    0x035C
  79
  80#define IPR_SUBS_DEV_ID_57B5    0x033C
  81#define IPR_SUBS_DEV_ID_57CE    0x035E
  82#define IPR_SUBS_DEV_ID_57B1    0x0355
  83
  84#define IPR_SUBS_DEV_ID_574D    0x0356
  85#define IPR_SUBS_DEV_ID_57C8    0x035D
  86
  87#define IPR_SUBS_DEV_ID_57D5    0x03FB
  88#define IPR_SUBS_DEV_ID_57D6    0x03FC
  89#define IPR_SUBS_DEV_ID_57D7    0x03FF
  90#define IPR_SUBS_DEV_ID_57D8    0x03FE
  91#define IPR_SUBS_DEV_ID_57D9    0x046D
  92#define IPR_SUBS_DEV_ID_57DA    0x04CA
  93#define IPR_SUBS_DEV_ID_57EB    0x0474
  94#define IPR_SUBS_DEV_ID_57EC    0x0475
  95#define IPR_SUBS_DEV_ID_57ED    0x0499
  96#define IPR_SUBS_DEV_ID_57EE    0x049A
  97#define IPR_SUBS_DEV_ID_57EF    0x049B
  98#define IPR_SUBS_DEV_ID_57F0    0x049C
  99#define IPR_SUBS_DEV_ID_2CCA    0x04C7
 100#define IPR_SUBS_DEV_ID_2CD2    0x04C8
 101#define IPR_SUBS_DEV_ID_2CCD    0x04C9
 102#define IPR_SUBS_DEV_ID_580A    0x04FC
 103#define IPR_SUBS_DEV_ID_580B    0x04FB
 104#define IPR_NAME                                "ipr"
 105
 106/*
 107 * Return codes
 108 */
 109#define IPR_RC_JOB_CONTINUE             1
 110#define IPR_RC_JOB_RETURN               2
 111
 112/*
 113 * IOASCs
 114 */
 115#define IPR_IOASC_NR_INIT_CMD_REQUIRED          0x02040200
 116#define IPR_IOASC_NR_IOA_RESET_REQUIRED         0x02048000
 117#define IPR_IOASC_SYNC_REQUIRED                 0x023f0000
 118#define IPR_IOASC_MED_DO_NOT_REALLOC            0x03110C00
 119#define IPR_IOASC_HW_SEL_TIMEOUT                        0x04050000
 120#define IPR_IOASC_HW_DEV_BUS_STATUS                     0x04448500
 121#define IPR_IOASC_IOASC_MASK                    0xFFFFFF00
 122#define IPR_IOASC_SCSI_STATUS_MASK              0x000000FF
 123#define IPR_IOASC_HW_CMD_FAILED                 0x046E0000
 124#define IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT    0x05240000
 125#define IPR_IOASC_IR_RESOURCE_HANDLE            0x05250000
 126#define IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA         0x05258100
 127#define IPR_IOASA_IR_DUAL_IOA_DISABLED          0x052C8000
 128#define IPR_IOASC_BUS_WAS_RESET                 0x06290000
 129#define IPR_IOASC_BUS_WAS_RESET_BY_OTHER                0x06298000
 130#define IPR_IOASC_ABORTED_CMD_TERM_BY_HOST      0x0B5A0000
 131#define IPR_IOASC_IR_NON_OPTIMIZED              0x05258200
 132
 133#define IPR_FIRST_DRIVER_IOASC                  0x10000000
 134#define IPR_IOASC_IOA_WAS_RESET                 0x10000001
 135#define IPR_IOASC_PCI_ACCESS_ERROR                      0x10000002
 136
 137/* Driver data flags */
 138#define IPR_USE_LONG_TRANSOP_TIMEOUT            0x00000001
 139#define IPR_USE_PCI_WARM_RESET                  0x00000002
 140
 141#define IPR_DEFAULT_MAX_ERROR_DUMP                      984
 142#define IPR_NUM_LOG_HCAMS                               2
 143#define IPR_NUM_CFG_CHG_HCAMS                           2
 144#define IPR_NUM_HCAM_QUEUE                              12
 145#define IPR_NUM_HCAMS   (IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS)
 146#define IPR_MAX_HCAMS   (IPR_NUM_HCAMS + IPR_NUM_HCAM_QUEUE)
 147
 148#define IPR_MAX_SIS64_TARGETS_PER_BUS                   1024
 149#define IPR_MAX_SIS64_LUNS_PER_TARGET                   0xffffffff
 150
 151#define IPR_MAX_NUM_TARGETS_PER_BUS                     256
 152#define IPR_MAX_NUM_LUNS_PER_TARGET                     256
 153#define IPR_VSET_BUS                                    0xff
 154#define IPR_IOA_BUS                                             0xff
 155#define IPR_IOA_TARGET                                  0xff
 156#define IPR_IOA_LUN                                             0xff
 157#define IPR_MAX_NUM_BUSES                               16
 158
 159#define IPR_NUM_RESET_RELOAD_RETRIES            3
 160
 161/* We need resources for HCAMS, IOA reset, IOA bringdown, and ERP */
 162#define IPR_NUM_INTERNAL_CMD_BLKS       (IPR_NUM_HCAMS + \
 163                                     ((IPR_NUM_RESET_RELOAD_RETRIES + 1) * 2) + 4)
 164
 165#define IPR_MAX_COMMANDS                100
 166#define IPR_NUM_CMD_BLKS                (IPR_NUM_BASE_CMD_BLKS + \
 167                                                IPR_NUM_INTERNAL_CMD_BLKS)
 168
 169#define IPR_MAX_PHYSICAL_DEVS                           192
 170#define IPR_DEFAULT_SIS64_DEVS                          1024
 171#define IPR_MAX_SIS64_DEVS                              4096
 172
 173#define IPR_MAX_SGLIST                                  64
 174#define IPR_IOA_MAX_SECTORS                             32767
 175#define IPR_VSET_MAX_SECTORS                            512
 176#define IPR_MAX_CDB_LEN                                 16
 177#define IPR_MAX_HRRQ_RETRIES                            3
 178
 179#define IPR_DEFAULT_BUS_WIDTH                           16
 180#define IPR_80MBs_SCSI_RATE             ((80 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
 181#define IPR_U160_SCSI_RATE      ((160 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
 182#define IPR_U320_SCSI_RATE      ((320 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
 183#define IPR_MAX_SCSI_RATE(width) ((320 * 10) / ((width) / 8))
 184
 185#define IPR_IOA_RES_HANDLE                              0xffffffff
 186#define IPR_INVALID_RES_HANDLE                  0
 187#define IPR_IOA_RES_ADDR                                0x00ffffff
 188
 189/*
 190 * Adapter Commands
 191 */
 192#define IPR_CANCEL_REQUEST                              0xC0
 193#define IPR_CANCEL_64BIT_IOARCB                 0x01
 194#define IPR_QUERY_RSRC_STATE                            0xC2
 195#define IPR_RESET_DEVICE                                0xC3
 196#define IPR_RESET_TYPE_SELECT                           0x80
 197#define IPR_LUN_RESET                                   0x40
 198#define IPR_TARGET_RESET                                        0x20
 199#define IPR_BUS_RESET                                   0x10
 200#define IPR_ATA_PHY_RESET                                       0x80
 201#define IPR_ID_HOST_RR_Q                                0xC4
 202#define IPR_QUERY_IOA_CONFIG                            0xC5
 203#define IPR_CANCEL_ALL_REQUESTS                 0xCE
 204#define IPR_HOST_CONTROLLED_ASYNC                       0xCF
 205#define IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE      0x01
 206#define IPR_HCAM_CDB_OP_CODE_LOG_DATA           0x02
 207#define IPR_SET_SUPPORTED_DEVICES                       0xFB
 208#define IPR_SET_ALL_SUPPORTED_DEVICES                   0x80
 209#define IPR_IOA_SHUTDOWN                                0xF7
 210#define IPR_WR_BUF_DOWNLOAD_AND_SAVE                    0x05
 211#define IPR_IOA_SERVICE_ACTION                          0xD2
 212
 213/* IOA Service Actions */
 214#define IPR_IOA_SA_CHANGE_CACHE_PARAMS                  0x14
 215
 216/*
 217 * Timeouts
 218 */
 219#define IPR_SHUTDOWN_TIMEOUT                    (ipr_fastfail ? 60 * HZ : 10 * 60 * HZ)
 220#define IPR_VSET_RW_TIMEOUT                     (ipr_fastfail ? 30 * HZ : 2 * 60 * HZ)
 221#define IPR_ABBREV_SHUTDOWN_TIMEOUT             (10 * HZ)
 222#define IPR_DUAL_IOA_ABBR_SHUTDOWN_TO   (2 * 60 * HZ)
 223#define IPR_DEVICE_RESET_TIMEOUT                (ipr_fastfail ? 10 * HZ : 30 * HZ)
 224#define IPR_CANCEL_TIMEOUT                      (ipr_fastfail ? 10 * HZ : 30 * HZ)
 225#define IPR_CANCEL_ALL_TIMEOUT          (ipr_fastfail ? 10 * HZ : 30 * HZ)
 226#define IPR_ABORT_TASK_TIMEOUT          (ipr_fastfail ? 10 * HZ : 30 * HZ)
 227#define IPR_INTERNAL_TIMEOUT                    (ipr_fastfail ? 10 * HZ : 30 * HZ)
 228#define IPR_WRITE_BUFFER_TIMEOUT                (30 * 60 * HZ)
 229#define IPR_SET_SUP_DEVICE_TIMEOUT              (2 * 60 * HZ)
 230#define IPR_REQUEST_SENSE_TIMEOUT               (10 * HZ)
 231#define IPR_OPERATIONAL_TIMEOUT         (5 * 60)
 232#define IPR_LONG_OPERATIONAL_TIMEOUT    (12 * 60)
 233#define IPR_WAIT_FOR_RESET_TIMEOUT              (2 * HZ)
 234#define IPR_CHECK_FOR_RESET_TIMEOUT             (HZ / 10)
 235#define IPR_WAIT_FOR_BIST_TIMEOUT               (2 * HZ)
 236#define IPR_PCI_ERROR_RECOVERY_TIMEOUT  (120 * HZ)
 237#define IPR_PCI_RESET_TIMEOUT                   (HZ / 2)
 238#define IPR_SIS32_DUMP_TIMEOUT                  (15 * HZ)
 239#define IPR_SIS64_DUMP_TIMEOUT                  (40 * HZ)
 240#define IPR_DUMP_DELAY_SECONDS                  4
 241#define IPR_DUMP_DELAY_TIMEOUT                  (IPR_DUMP_DELAY_SECONDS * HZ)
 242
 243/*
 244 * SCSI Literals
 245 */
 246#define IPR_VENDOR_ID_LEN                       8
 247#define IPR_PROD_ID_LEN                         16
 248#define IPR_SERIAL_NUM_LEN                      8
 249
 250/*
 251 * Hardware literals
 252 */
 253#define IPR_FMT2_MBX_ADDR_MASK                          0x0fffffff
 254#define IPR_FMT2_MBX_BAR_SEL_MASK                       0xf0000000
 255#define IPR_FMT2_MKR_BAR_SEL_SHIFT                      28
 256#define IPR_GET_FMT2_BAR_SEL(mbx) \
 257(((mbx) & IPR_FMT2_MBX_BAR_SEL_MASK) >> IPR_FMT2_MKR_BAR_SEL_SHIFT)
 258#define IPR_SDT_FMT2_BAR0_SEL                           0x0
 259#define IPR_SDT_FMT2_BAR1_SEL                           0x1
 260#define IPR_SDT_FMT2_BAR2_SEL                           0x2
 261#define IPR_SDT_FMT2_BAR3_SEL                           0x3
 262#define IPR_SDT_FMT2_BAR4_SEL                           0x4
 263#define IPR_SDT_FMT2_BAR5_SEL                           0x5
 264#define IPR_SDT_FMT2_EXP_ROM_SEL                        0x8
 265#define IPR_FMT2_SDT_READY_TO_USE                       0xC4D4E3F2
 266#define IPR_FMT3_SDT_READY_TO_USE                       0xC4D4E3F3
 267#define IPR_DOORBELL                                    0x82800000
 268#define IPR_RUNTIME_RESET                               0x40000000
 269
 270#define IPR_IPL_INIT_MIN_STAGE_TIME                     5
 271#define IPR_IPL_INIT_DEFAULT_STAGE_TIME                 30
 272#define IPR_IPL_INIT_STAGE_UNKNOWN                      0x0
 273#define IPR_IPL_INIT_STAGE_TRANSOP                      0xB0000000
 274#define IPR_IPL_INIT_STAGE_MASK                         0xff000000
 275#define IPR_IPL_INIT_STAGE_TIME_MASK                    0x0000ffff
 276#define IPR_PCII_IPL_STAGE_CHANGE                       (0x80000000 >> 0)
 277
 278#define IPR_PCII_MAILBOX_STABLE                         (0x80000000 >> 4)
 279#define IPR_WAIT_FOR_MAILBOX                            (2 * HZ)
 280
 281#define IPR_PCII_IOA_TRANS_TO_OPER                      (0x80000000 >> 0)
 282#define IPR_PCII_IOARCB_XFER_FAILED                     (0x80000000 >> 3)
 283#define IPR_PCII_IOA_UNIT_CHECKED                       (0x80000000 >> 4)
 284#define IPR_PCII_NO_HOST_RRQ                            (0x80000000 >> 5)
 285#define IPR_PCII_CRITICAL_OPERATION                     (0x80000000 >> 6)
 286#define IPR_PCII_IO_DEBUG_ACKNOWLEDGE           (0x80000000 >> 7)
 287#define IPR_PCII_IOARRIN_LOST                           (0x80000000 >> 27)
 288#define IPR_PCII_MMIO_ERROR                             (0x80000000 >> 28)
 289#define IPR_PCII_PROC_ERR_STATE                 (0x80000000 >> 29)
 290#define IPR_PCII_HRRQ_UPDATED                           (0x80000000 >> 30)
 291#define IPR_PCII_CORE_ISSUED_RST_REQ            (0x80000000 >> 31)
 292
 293#define IPR_PCII_ERROR_INTERRUPTS \
 294(IPR_PCII_IOARCB_XFER_FAILED | IPR_PCII_IOA_UNIT_CHECKED | \
 295IPR_PCII_NO_HOST_RRQ | IPR_PCII_IOARRIN_LOST | IPR_PCII_MMIO_ERROR)
 296
 297#define IPR_PCII_OPER_INTERRUPTS \
 298(IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED | IPR_PCII_IOA_TRANS_TO_OPER)
 299
 300#define IPR_UPROCI_RESET_ALERT                  (0x80000000 >> 7)
 301#define IPR_UPROCI_IO_DEBUG_ALERT                       (0x80000000 >> 9)
 302#define IPR_UPROCI_SIS64_START_BIST                     (0x80000000 >> 23)
 303
 304#define IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC            200000  /* 200 ms */
 305#define IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC           200000  /* 200 ms */
 306
 307/*
 308 * Dump literals
 309 */
 310#define IPR_FMT2_MAX_IOA_DUMP_SIZE                      (4 * 1024 * 1024)
 311#define IPR_FMT3_MAX_IOA_DUMP_SIZE                      (80 * 1024 * 1024)
 312#define IPR_FMT2_NUM_SDT_ENTRIES                        511
 313#define IPR_FMT3_NUM_SDT_ENTRIES                        0xFFF
 314#define IPR_FMT2_MAX_NUM_DUMP_PAGES     ((IPR_FMT2_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
 315#define IPR_FMT3_MAX_NUM_DUMP_PAGES     ((IPR_FMT3_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
 316
 317/*
 318 * Misc literals
 319 */
 320#define IPR_NUM_IOADL_ENTRIES                   IPR_MAX_SGLIST
 321#define IPR_MAX_MSIX_VECTORS            0x10
 322#define IPR_MAX_HRRQ_NUM                0x10
 323#define IPR_INIT_HRRQ                   0x0
 324
 325/*
 326 * Adapter interface types
 327 */
 328
 329struct ipr_res_addr {
 330        u8 reserved;
 331        u8 bus;
 332        u8 target;
 333        u8 lun;
 334#define IPR_GET_PHYS_LOC(res_addr) \
 335        (((res_addr).bus << 16) | ((res_addr).target << 8) | (res_addr).lun)
 336}__attribute__((packed, aligned (4)));
 337
 338struct ipr_std_inq_vpids {
 339        u8 vendor_id[IPR_VENDOR_ID_LEN];
 340        u8 product_id[IPR_PROD_ID_LEN];
 341}__attribute__((packed));
 342
 343struct ipr_vpd {
 344        struct ipr_std_inq_vpids vpids;
 345        u8 sn[IPR_SERIAL_NUM_LEN];
 346}__attribute__((packed));
 347
 348struct ipr_ext_vpd {
 349        struct ipr_vpd vpd;
 350        __be32 wwid[2];
 351}__attribute__((packed));
 352
 353struct ipr_ext_vpd64 {
 354        struct ipr_vpd vpd;
 355        __be32 wwid[4];
 356}__attribute__((packed));
 357
 358struct ipr_std_inq_data {
 359        u8 peri_qual_dev_type;
 360#define IPR_STD_INQ_PERI_QUAL(peri) ((peri) >> 5)
 361#define IPR_STD_INQ_PERI_DEV_TYPE(peri) ((peri) & 0x1F)
 362
 363        u8 removeable_medium_rsvd;
 364#define IPR_STD_INQ_REMOVEABLE_MEDIUM 0x80
 365
 366#define IPR_IS_DASD_DEVICE(std_inq) \
 367((IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_DISK) && \
 368!(((std_inq).removeable_medium_rsvd) & IPR_STD_INQ_REMOVEABLE_MEDIUM))
 369
 370#define IPR_IS_SES_DEVICE(std_inq) \
 371(IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_ENCLOSURE)
 372
 373        u8 version;
 374        u8 aen_naca_fmt;
 375        u8 additional_len;
 376        u8 sccs_rsvd;
 377        u8 bq_enc_multi;
 378        u8 sync_cmdq_flags;
 379
 380        struct ipr_std_inq_vpids vpids;
 381
 382        u8 ros_rsvd_ram_rsvd[4];
 383
 384        u8 serial_num[IPR_SERIAL_NUM_LEN];
 385}__attribute__ ((packed));
 386
 387#define IPR_RES_TYPE_AF_DASD            0x00
 388#define IPR_RES_TYPE_GENERIC_SCSI       0x01
 389#define IPR_RES_TYPE_VOLUME_SET         0x02
 390#define IPR_RES_TYPE_REMOTE_AF_DASD     0x03
 391#define IPR_RES_TYPE_GENERIC_ATA        0x04
 392#define IPR_RES_TYPE_ARRAY              0x05
 393#define IPR_RES_TYPE_IOAFP              0xff
 394
 395struct ipr_config_table_entry {
 396        u8 proto;
 397#define IPR_PROTO_SATA                  0x02
 398#define IPR_PROTO_SATA_ATAPI            0x03
 399#define IPR_PROTO_SAS_STP               0x06
 400#define IPR_PROTO_SAS_STP_ATAPI         0x07
 401        u8 array_id;
 402        u8 flags;
 403#define IPR_IS_IOA_RESOURCE             0x80
 404        u8 rsvd_subtype;
 405
 406#define IPR_QUEUEING_MODEL(res) ((((res)->flags) & 0x70) >> 4)
 407#define IPR_QUEUE_FROZEN_MODEL          0
 408#define IPR_QUEUE_NACA_MODEL            1
 409
 410        struct ipr_res_addr res_addr;
 411        __be32 res_handle;
 412        __be32 lun_wwn[2];
 413        struct ipr_std_inq_data std_inq_data;
 414}__attribute__ ((packed, aligned (4)));
 415
 416struct ipr_config_table_entry64 {
 417        u8 res_type;
 418        u8 proto;
 419        u8 vset_num;
 420        u8 array_id;
 421        __be16 flags;
 422        __be16 res_flags;
 423#define IPR_QUEUEING_MODEL64(res) ((((res)->res_flags) & 0x7000) >> 12)
 424        __be32 res_handle;
 425        u8 dev_id_type;
 426        u8 reserved[3];
 427        __be64 dev_id;
 428        __be64 lun;
 429        __be64 lun_wwn[2];
 430#define IPR_MAX_RES_PATH_LENGTH         48
 431        __be64 res_path;
 432        struct ipr_std_inq_data std_inq_data;
 433        u8 reserved2[4];
 434        __be64 reserved3[2];
 435        u8 reserved4[8];
 436}__attribute__ ((packed, aligned (8)));
 437
 438struct ipr_config_table_hdr {
 439        u8 num_entries;
 440        u8 flags;
 441#define IPR_UCODE_DOWNLOAD_REQ  0x10
 442        __be16 reserved;
 443}__attribute__((packed, aligned (4)));
 444
 445struct ipr_config_table_hdr64 {
 446        __be16 num_entries;
 447        __be16 reserved;
 448        u8 flags;
 449        u8 reserved2[11];
 450}__attribute__((packed, aligned (4)));
 451
 452struct ipr_config_table {
 453        struct ipr_config_table_hdr hdr;
 454        struct ipr_config_table_entry dev[0];
 455}__attribute__((packed, aligned (4)));
 456
 457struct ipr_config_table64 {
 458        struct ipr_config_table_hdr64 hdr64;
 459        struct ipr_config_table_entry64 dev[0];
 460}__attribute__((packed, aligned (8)));
 461
 462struct ipr_config_table_entry_wrapper {
 463        union {
 464                struct ipr_config_table_entry *cfgte;
 465                struct ipr_config_table_entry64 *cfgte64;
 466        } u;
 467};
 468
 469struct ipr_hostrcb_cfg_ch_not {
 470        union {
 471                struct ipr_config_table_entry cfgte;
 472                struct ipr_config_table_entry64 cfgte64;
 473        } u;
 474        u8 reserved[936];
 475}__attribute__((packed, aligned (4)));
 476
 477struct ipr_supported_device {
 478        __be16 data_length;
 479        u8 reserved;
 480        u8 num_records;
 481        struct ipr_std_inq_vpids vpids;
 482        u8 reserved2[16];
 483}__attribute__((packed, aligned (4)));
 484
 485struct ipr_hrr_queue {
 486        struct ipr_ioa_cfg *ioa_cfg;
 487        __be32 *host_rrq;
 488        dma_addr_t host_rrq_dma;
 489#define IPR_HRRQ_REQ_RESP_HANDLE_MASK   0xfffffffc
 490#define IPR_HRRQ_RESP_BIT_SET           0x00000002
 491#define IPR_HRRQ_TOGGLE_BIT             0x00000001
 492#define IPR_HRRQ_REQ_RESP_HANDLE_SHIFT  2
 493#define IPR_ID_HRRQ_SELE_ENABLE         0x02
 494        volatile __be32 *hrrq_start;
 495        volatile __be32 *hrrq_end;
 496        volatile __be32 *hrrq_curr;
 497
 498        struct list_head hrrq_free_q;
 499        struct list_head hrrq_pending_q;
 500        spinlock_t _lock;
 501        spinlock_t *lock;
 502
 503        volatile u32 toggle_bit;
 504        u32 size;
 505        u32 min_cmd_id;
 506        u32 max_cmd_id;
 507        u8 allow_interrupts:1;
 508        u8 ioa_is_dead:1;
 509        u8 allow_cmds:1;
 510        u8 removing_ioa:1;
 511
 512        struct irq_poll iopoll;
 513};
 514
 515/* Command packet structure */
 516struct ipr_cmd_pkt {
 517        u8 reserved;            /* Reserved by IOA */
 518        u8 hrrq_id;
 519        u8 request_type;
 520#define IPR_RQTYPE_SCSICDB              0x00
 521#define IPR_RQTYPE_IOACMD               0x01
 522#define IPR_RQTYPE_HCAM                 0x02
 523#define IPR_RQTYPE_ATA_PASSTHRU 0x04
 524#define IPR_RQTYPE_PIPE                 0x05
 525
 526        u8 reserved2;
 527
 528        u8 flags_hi;
 529#define IPR_FLAGS_HI_WRITE_NOT_READ             0x80
 530#define IPR_FLAGS_HI_NO_ULEN_CHK                0x20
 531#define IPR_FLAGS_HI_SYNC_OVERRIDE              0x10
 532#define IPR_FLAGS_HI_SYNC_COMPLETE              0x08
 533#define IPR_FLAGS_HI_NO_LINK_DESC               0x04
 534
 535        u8 flags_lo;
 536#define IPR_FLAGS_LO_ALIGNED_BFR                0x20
 537#define IPR_FLAGS_LO_DELAY_AFTER_RST            0x10
 538#define IPR_FLAGS_LO_UNTAGGED_TASK              0x00
 539#define IPR_FLAGS_LO_SIMPLE_TASK                0x02
 540#define IPR_FLAGS_LO_ORDERED_TASK               0x04
 541#define IPR_FLAGS_LO_HEAD_OF_Q_TASK             0x06
 542#define IPR_FLAGS_LO_ACA_TASK                   0x08
 543
 544        u8 cdb[16];
 545        __be16 timeout;
 546}__attribute__ ((packed, aligned(4)));
 547
 548struct ipr_ioarcb_ata_regs {    /* 22 bytes */
 549        u8 flags;
 550#define IPR_ATA_FLAG_PACKET_CMD                 0x80
 551#define IPR_ATA_FLAG_XFER_TYPE_DMA                      0x40
 552#define IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION  0x20
 553        u8 reserved[3];
 554
 555        __be16 data;
 556        u8 feature;
 557        u8 nsect;
 558        u8 lbal;
 559        u8 lbam;
 560        u8 lbah;
 561        u8 device;
 562        u8 command;
 563        u8 reserved2[3];
 564        u8 hob_feature;
 565        u8 hob_nsect;
 566        u8 hob_lbal;
 567        u8 hob_lbam;
 568        u8 hob_lbah;
 569        u8 ctl;
 570}__attribute__ ((packed, aligned(2)));
 571
 572struct ipr_ioadl_desc {
 573        __be32 flags_and_data_len;
 574#define IPR_IOADL_FLAGS_MASK            0xff000000
 575#define IPR_IOADL_GET_FLAGS(x) (be32_to_cpu(x) & IPR_IOADL_FLAGS_MASK)
 576#define IPR_IOADL_DATA_LEN_MASK         0x00ffffff
 577#define IPR_IOADL_GET_DATA_LEN(x) (be32_to_cpu(x) & IPR_IOADL_DATA_LEN_MASK)
 578#define IPR_IOADL_FLAGS_READ            0x48000000
 579#define IPR_IOADL_FLAGS_READ_LAST       0x49000000
 580#define IPR_IOADL_FLAGS_WRITE           0x68000000
 581#define IPR_IOADL_FLAGS_WRITE_LAST      0x69000000
 582#define IPR_IOADL_FLAGS_LAST            0x01000000
 583
 584        __be32 address;
 585}__attribute__((packed, aligned (8)));
 586
 587struct ipr_ioadl64_desc {
 588        __be32 flags;
 589        __be32 data_len;
 590        __be64 address;
 591}__attribute__((packed, aligned (16)));
 592
 593struct ipr_ata64_ioadl {
 594        struct ipr_ioarcb_ata_regs regs;
 595        u16 reserved[5];
 596        struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
 597}__attribute__((packed, aligned (16)));
 598
 599struct ipr_ioarcb_add_data {
 600        union {
 601                struct ipr_ioarcb_ata_regs regs;
 602                struct ipr_ioadl_desc ioadl[5];
 603                __be32 add_cmd_parms[10];
 604        } u;
 605}__attribute__ ((packed, aligned (4)));
 606
 607struct ipr_ioarcb_sis64_add_addr_ecb {
 608        __be64 ioasa_host_pci_addr;
 609        __be64 data_ioadl_addr;
 610        __be64 reserved;
 611        __be32 ext_control_buf[4];
 612}__attribute__((packed, aligned (8)));
 613
 614/* IOA Request Control Block    128 bytes  */
 615struct ipr_ioarcb {
 616        union {
 617                __be32 ioarcb_host_pci_addr;
 618                __be64 ioarcb_host_pci_addr64;
 619        } a;
 620        __be32 res_handle;
 621        __be32 host_response_handle;
 622        __be32 reserved1;
 623        __be32 reserved2;
 624        __be32 reserved3;
 625
 626        __be32 data_transfer_length;
 627        __be32 read_data_transfer_length;
 628        __be32 write_ioadl_addr;
 629        __be32 ioadl_len;
 630        __be32 read_ioadl_addr;
 631        __be32 read_ioadl_len;
 632
 633        __be32 ioasa_host_pci_addr;
 634        __be16 ioasa_len;
 635        __be16 reserved4;
 636
 637        struct ipr_cmd_pkt cmd_pkt;
 638
 639        __be16 add_cmd_parms_offset;
 640        __be16 add_cmd_parms_len;
 641
 642        union {
 643                struct ipr_ioarcb_add_data add_data;
 644                struct ipr_ioarcb_sis64_add_addr_ecb sis64_addr_data;
 645        } u;
 646
 647}__attribute__((packed, aligned (4)));
 648
 649struct ipr_ioasa_vset {
 650        __be32 failing_lba_hi;
 651        __be32 failing_lba_lo;
 652        __be32 reserved;
 653}__attribute__((packed, aligned (4)));
 654
 655struct ipr_ioasa_af_dasd {
 656        __be32 failing_lba;
 657        __be32 reserved[2];
 658}__attribute__((packed, aligned (4)));
 659
 660struct ipr_ioasa_gpdd {
 661        u8 end_state;
 662        u8 bus_phase;
 663        __be16 reserved;
 664        __be32 ioa_data[2];
 665}__attribute__((packed, aligned (4)));
 666
 667struct ipr_ioasa_gata {
 668        u8 error;
 669        u8 nsect;               /* Interrupt reason */
 670        u8 lbal;
 671        u8 lbam;
 672        u8 lbah;
 673        u8 device;
 674        u8 status;
 675        u8 alt_status;  /* ATA CTL */
 676        u8 hob_nsect;
 677        u8 hob_lbal;
 678        u8 hob_lbam;
 679        u8 hob_lbah;
 680}__attribute__((packed, aligned (4)));
 681
 682struct ipr_auto_sense {
 683        __be16 auto_sense_len;
 684        __be16 ioa_data_len;
 685        __be32 data[SCSI_SENSE_BUFFERSIZE/sizeof(__be32)];
 686};
 687
 688struct ipr_ioasa_hdr {
 689        __be32 ioasc;
 690#define IPR_IOASC_SENSE_KEY(ioasc) ((ioasc) >> 24)
 691#define IPR_IOASC_SENSE_CODE(ioasc) (((ioasc) & 0x00ff0000) >> 16)
 692#define IPR_IOASC_SENSE_QUAL(ioasc) (((ioasc) & 0x0000ff00) >> 8)
 693#define IPR_IOASC_SENSE_STATUS(ioasc) ((ioasc) & 0x000000ff)
 694
 695        __be16 ret_stat_len;    /* Length of the returned IOASA */
 696
 697        __be16 avail_stat_len;  /* Total Length of status available. */
 698
 699        __be32 residual_data_len;       /* number of bytes in the host data */
 700        /* buffers that were not used by the IOARCB command. */
 701
 702        __be32 ilid;
 703#define IPR_NO_ILID                     0
 704#define IPR_DRIVER_ILID         0xffffffff
 705
 706        __be32 fd_ioasc;
 707
 708        __be32 fd_phys_locator;
 709
 710        __be32 fd_res_handle;
 711
 712        __be32 ioasc_specific;  /* status code specific field */
 713#define IPR_ADDITIONAL_STATUS_FMT               0x80000000
 714#define IPR_AUTOSENSE_VALID                     0x40000000
 715#define IPR_ATA_DEVICE_WAS_RESET                0x20000000
 716#define IPR_IOASC_SPECIFIC_MASK         0x00ffffff
 717#define IPR_FIELD_POINTER_VALID         (0x80000000 >> 8)
 718#define IPR_FIELD_POINTER_MASK          0x0000ffff
 719
 720}__attribute__((packed, aligned (4)));
 721
 722struct ipr_ioasa {
 723        struct ipr_ioasa_hdr hdr;
 724
 725        union {
 726                struct ipr_ioasa_vset vset;
 727                struct ipr_ioasa_af_dasd dasd;
 728                struct ipr_ioasa_gpdd gpdd;
 729                struct ipr_ioasa_gata gata;
 730        } u;
 731
 732        struct ipr_auto_sense auto_sense;
 733}__attribute__((packed, aligned (4)));
 734
 735struct ipr_ioasa64 {
 736        struct ipr_ioasa_hdr hdr;
 737        u8 fd_res_path[8];
 738
 739        union {
 740                struct ipr_ioasa_vset vset;
 741                struct ipr_ioasa_af_dasd dasd;
 742                struct ipr_ioasa_gpdd gpdd;
 743                struct ipr_ioasa_gata gata;
 744        } u;
 745
 746        struct ipr_auto_sense auto_sense;
 747}__attribute__((packed, aligned (4)));
 748
 749struct ipr_mode_parm_hdr {
 750        u8 length;
 751        u8 medium_type;
 752        u8 device_spec_parms;
 753        u8 block_desc_len;
 754}__attribute__((packed));
 755
 756struct ipr_mode_pages {
 757        struct ipr_mode_parm_hdr hdr;
 758        u8 data[255 - sizeof(struct ipr_mode_parm_hdr)];
 759}__attribute__((packed));
 760
 761struct ipr_mode_page_hdr {
 762        u8 ps_page_code;
 763#define IPR_MODE_PAGE_PS        0x80
 764#define IPR_GET_MODE_PAGE_CODE(hdr) ((hdr)->ps_page_code & 0x3F)
 765        u8 page_length;
 766}__attribute__ ((packed));
 767
 768struct ipr_dev_bus_entry {
 769        struct ipr_res_addr res_addr;
 770        u8 flags;
 771#define IPR_SCSI_ATTR_ENABLE_QAS                        0x80
 772#define IPR_SCSI_ATTR_DISABLE_QAS                       0x40
 773#define IPR_SCSI_ATTR_QAS_MASK                          0xC0
 774#define IPR_SCSI_ATTR_ENABLE_TM                         0x20
 775#define IPR_SCSI_ATTR_NO_TERM_PWR                       0x10
 776#define IPR_SCSI_ATTR_TM_SUPPORTED                      0x08
 777#define IPR_SCSI_ATTR_LVD_TO_SE_NOT_ALLOWED     0x04
 778
 779        u8 scsi_id;
 780        u8 bus_width;
 781        u8 extended_reset_delay;
 782#define IPR_EXTENDED_RESET_DELAY        7
 783
 784        __be32 max_xfer_rate;
 785
 786        u8 spinup_delay;
 787        u8 reserved3;
 788        __be16 reserved4;
 789}__attribute__((packed, aligned (4)));
 790
 791struct ipr_mode_page28 {
 792        struct ipr_mode_page_hdr hdr;
 793        u8 num_entries;
 794        u8 entry_length;
 795        struct ipr_dev_bus_entry bus[0];
 796}__attribute__((packed));
 797
 798struct ipr_mode_page24 {
 799        struct ipr_mode_page_hdr hdr;
 800        u8 flags;
 801#define IPR_ENABLE_DUAL_IOA_AF 0x80
 802}__attribute__((packed));
 803
 804struct ipr_ioa_vpd {
 805        struct ipr_std_inq_data std_inq_data;
 806        u8 ascii_part_num[12];
 807        u8 reserved[40];
 808        u8 ascii_plant_code[4];
 809}__attribute__((packed));
 810
 811struct ipr_inquiry_page3 {
 812        u8 peri_qual_dev_type;
 813        u8 page_code;
 814        u8 reserved1;
 815        u8 page_length;
 816        u8 ascii_len;
 817        u8 reserved2[3];
 818        u8 load_id[4];
 819        u8 major_release;
 820        u8 card_type;
 821        u8 minor_release[2];
 822        u8 ptf_number[4];
 823        u8 patch_number[4];
 824}__attribute__((packed));
 825
 826struct ipr_inquiry_cap {
 827        u8 peri_qual_dev_type;
 828        u8 page_code;
 829        u8 reserved1;
 830        u8 page_length;
 831        u8 ascii_len;
 832        u8 reserved2;
 833        u8 sis_version[2];
 834        u8 cap;
 835#define IPR_CAP_DUAL_IOA_RAID           0x80
 836        u8 reserved3[15];
 837}__attribute__((packed));
 838
 839#define IPR_INQUIRY_PAGE0_ENTRIES 20
 840struct ipr_inquiry_page0 {
 841        u8 peri_qual_dev_type;
 842        u8 page_code;
 843        u8 reserved1;
 844        u8 len;
 845        u8 page[IPR_INQUIRY_PAGE0_ENTRIES];
 846}__attribute__((packed));
 847
 848struct ipr_inquiry_pageC4 {
 849        u8 peri_qual_dev_type;
 850        u8 page_code;
 851        u8 reserved1;
 852        u8 len;
 853        u8 cache_cap[4];
 854#define IPR_CAP_SYNC_CACHE              0x08
 855        u8 reserved2[20];
 856} __packed;
 857
 858struct ipr_hostrcb_device_data_entry {
 859        struct ipr_vpd vpd;
 860        struct ipr_res_addr dev_res_addr;
 861        struct ipr_vpd new_vpd;
 862        struct ipr_vpd ioa_last_with_dev_vpd;
 863        struct ipr_vpd cfc_last_with_dev_vpd;
 864        __be32 ioa_data[5];
 865}__attribute__((packed, aligned (4)));
 866
 867struct ipr_hostrcb_device_data_entry_enhanced {
 868        struct ipr_ext_vpd vpd;
 869        u8 ccin[4];
 870        struct ipr_res_addr dev_res_addr;
 871        struct ipr_ext_vpd new_vpd;
 872        u8 new_ccin[4];
 873        struct ipr_ext_vpd ioa_last_with_dev_vpd;
 874        struct ipr_ext_vpd cfc_last_with_dev_vpd;
 875}__attribute__((packed, aligned (4)));
 876
 877struct ipr_hostrcb64_device_data_entry_enhanced {
 878        struct ipr_ext_vpd vpd;
 879        u8 ccin[4];
 880        u8 res_path[8];
 881        struct ipr_ext_vpd new_vpd;
 882        u8 new_ccin[4];
 883        struct ipr_ext_vpd ioa_last_with_dev_vpd;
 884        struct ipr_ext_vpd cfc_last_with_dev_vpd;
 885}__attribute__((packed, aligned (4)));
 886
 887struct ipr_hostrcb_array_data_entry {
 888        struct ipr_vpd vpd;
 889        struct ipr_res_addr expected_dev_res_addr;
 890        struct ipr_res_addr dev_res_addr;
 891}__attribute__((packed, aligned (4)));
 892
 893struct ipr_hostrcb64_array_data_entry {
 894        struct ipr_ext_vpd vpd;
 895        u8 ccin[4];
 896        u8 expected_res_path[8];
 897        u8 res_path[8];
 898}__attribute__((packed, aligned (4)));
 899
 900struct ipr_hostrcb_array_data_entry_enhanced {
 901        struct ipr_ext_vpd vpd;
 902        u8 ccin[4];
 903        struct ipr_res_addr expected_dev_res_addr;
 904        struct ipr_res_addr dev_res_addr;
 905}__attribute__((packed, aligned (4)));
 906
 907struct ipr_hostrcb_type_ff_error {
 908        __be32 ioa_data[758];
 909}__attribute__((packed, aligned (4)));
 910
 911struct ipr_hostrcb_type_01_error {
 912        __be32 seek_counter;
 913        __be32 read_counter;
 914        u8 sense_data[32];
 915        __be32 ioa_data[236];
 916}__attribute__((packed, aligned (4)));
 917
 918struct ipr_hostrcb_type_21_error {
 919        __be32 wwn[4];
 920        u8 res_path[8];
 921        u8 primary_problem_desc[32];
 922        u8 second_problem_desc[32];
 923        __be32 sense_data[8];
 924        __be32 cdb[4];
 925        __be32 residual_trans_length;
 926        __be32 length_of_error;
 927        __be32 ioa_data[236];
 928}__attribute__((packed, aligned (4)));
 929
 930struct ipr_hostrcb_type_02_error {
 931        struct ipr_vpd ioa_vpd;
 932        struct ipr_vpd cfc_vpd;
 933        struct ipr_vpd ioa_last_attached_to_cfc_vpd;
 934        struct ipr_vpd cfc_last_attached_to_ioa_vpd;
 935        __be32 ioa_data[3];
 936}__attribute__((packed, aligned (4)));
 937
 938struct ipr_hostrcb_type_12_error {
 939        struct ipr_ext_vpd ioa_vpd;
 940        struct ipr_ext_vpd cfc_vpd;
 941        struct ipr_ext_vpd ioa_last_attached_to_cfc_vpd;
 942        struct ipr_ext_vpd cfc_last_attached_to_ioa_vpd;
 943        __be32 ioa_data[3];
 944}__attribute__((packed, aligned (4)));
 945
 946struct ipr_hostrcb_type_03_error {
 947        struct ipr_vpd ioa_vpd;
 948        struct ipr_vpd cfc_vpd;
 949        __be32 errors_detected;
 950        __be32 errors_logged;
 951        u8 ioa_data[12];
 952        struct ipr_hostrcb_device_data_entry dev[3];
 953}__attribute__((packed, aligned (4)));
 954
 955struct ipr_hostrcb_type_13_error {
 956        struct ipr_ext_vpd ioa_vpd;
 957        struct ipr_ext_vpd cfc_vpd;
 958        __be32 errors_detected;
 959        __be32 errors_logged;
 960        struct ipr_hostrcb_device_data_entry_enhanced dev[3];
 961}__attribute__((packed, aligned (4)));
 962
 963struct ipr_hostrcb_type_23_error {
 964        struct ipr_ext_vpd ioa_vpd;
 965        struct ipr_ext_vpd cfc_vpd;
 966        __be32 errors_detected;
 967        __be32 errors_logged;
 968        struct ipr_hostrcb64_device_data_entry_enhanced dev[3];
 969}__attribute__((packed, aligned (4)));
 970
 971struct ipr_hostrcb_type_04_error {
 972        struct ipr_vpd ioa_vpd;
 973        struct ipr_vpd cfc_vpd;
 974        u8 ioa_data[12];
 975        struct ipr_hostrcb_array_data_entry array_member[10];
 976        __be32 exposed_mode_adn;
 977        __be32 array_id;
 978        struct ipr_vpd incomp_dev_vpd;
 979        __be32 ioa_data2;
 980        struct ipr_hostrcb_array_data_entry array_member2[8];
 981        struct ipr_res_addr last_func_vset_res_addr;
 982        u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
 983        u8 protection_level[8];
 984}__attribute__((packed, aligned (4)));
 985
 986struct ipr_hostrcb_type_14_error {
 987        struct ipr_ext_vpd ioa_vpd;
 988        struct ipr_ext_vpd cfc_vpd;
 989        __be32 exposed_mode_adn;
 990        __be32 array_id;
 991        struct ipr_res_addr last_func_vset_res_addr;
 992        u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
 993        u8 protection_level[8];
 994        __be32 num_entries;
 995        struct ipr_hostrcb_array_data_entry_enhanced array_member[18];
 996}__attribute__((packed, aligned (4)));
 997
 998struct ipr_hostrcb_type_24_error {
 999        struct ipr_ext_vpd ioa_vpd;
1000        struct ipr_ext_vpd cfc_vpd;
1001        u8 reserved[2];
1002        u8 exposed_mode_adn;
1003#define IPR_INVALID_ARRAY_DEV_NUM               0xff
1004        u8 array_id;
1005        u8 last_res_path[8];
1006        u8 protection_level[8];
1007        struct ipr_ext_vpd64 array_vpd;
1008        u8 description[16];
1009        u8 reserved2[3];
1010        u8 num_entries;
1011        struct ipr_hostrcb64_array_data_entry array_member[32];
1012}__attribute__((packed, aligned (4)));
1013
1014struct ipr_hostrcb_type_07_error {
1015        u8 failure_reason[64];
1016        struct ipr_vpd vpd;
1017        __be32 data[222];
1018}__attribute__((packed, aligned (4)));
1019
1020struct ipr_hostrcb_type_17_error {
1021        u8 failure_reason[64];
1022        struct ipr_ext_vpd vpd;
1023        __be32 data[476];
1024}__attribute__((packed, aligned (4)));
1025
1026struct ipr_hostrcb_config_element {
1027        u8 type_status;
1028#define IPR_PATH_CFG_TYPE_MASK  0xF0
1029#define IPR_PATH_CFG_NOT_EXIST  0x00
1030#define IPR_PATH_CFG_IOA_PORT           0x10
1031#define IPR_PATH_CFG_EXP_PORT           0x20
1032#define IPR_PATH_CFG_DEVICE_PORT        0x30
1033#define IPR_PATH_CFG_DEVICE_LUN 0x40
1034
1035#define IPR_PATH_CFG_STATUS_MASK        0x0F
1036#define IPR_PATH_CFG_NO_PROB            0x00
1037#define IPR_PATH_CFG_DEGRADED           0x01
1038#define IPR_PATH_CFG_FAILED             0x02
1039#define IPR_PATH_CFG_SUSPECT            0x03
1040#define IPR_PATH_NOT_DETECTED           0x04
1041#define IPR_PATH_INCORRECT_CONN 0x05
1042
1043        u8 cascaded_expander;
1044        u8 phy;
1045        u8 link_rate;
1046#define IPR_PHY_LINK_RATE_MASK  0x0F
1047
1048        __be32 wwid[2];
1049}__attribute__((packed, aligned (4)));
1050
1051struct ipr_hostrcb64_config_element {
1052        __be16 length;
1053        u8 descriptor_id;
1054#define IPR_DESCRIPTOR_MASK             0xC0
1055#define IPR_DESCRIPTOR_SIS64            0x00
1056
1057        u8 reserved;
1058        u8 type_status;
1059
1060        u8 reserved2[2];
1061        u8 link_rate;
1062
1063        u8 res_path[8];
1064        __be32 wwid[2];
1065}__attribute__((packed, aligned (8)));
1066
1067struct ipr_hostrcb_fabric_desc {
1068        __be16 length;
1069        u8 ioa_port;
1070        u8 cascaded_expander;
1071        u8 phy;
1072        u8 path_state;
1073#define IPR_PATH_ACTIVE_MASK            0xC0
1074#define IPR_PATH_NO_INFO                0x00
1075#define IPR_PATH_ACTIVE                 0x40
1076#define IPR_PATH_NOT_ACTIVE             0x80
1077
1078#define IPR_PATH_STATE_MASK             0x0F
1079#define IPR_PATH_STATE_NO_INFO  0x00
1080#define IPR_PATH_HEALTHY                0x01
1081#define IPR_PATH_DEGRADED               0x02
1082#define IPR_PATH_FAILED                 0x03
1083
1084        __be16 num_entries;
1085        struct ipr_hostrcb_config_element elem[1];
1086}__attribute__((packed, aligned (4)));
1087
1088struct ipr_hostrcb64_fabric_desc {
1089        __be16 length;
1090        u8 descriptor_id;
1091
1092        u8 reserved[2];
1093        u8 path_state;
1094
1095        u8 reserved2[2];
1096        u8 res_path[8];
1097        u8 reserved3[6];
1098        __be16 num_entries;
1099        struct ipr_hostrcb64_config_element elem[1];
1100}__attribute__((packed, aligned (8)));
1101
1102#define for_each_hrrq(hrrq, ioa_cfg) \
1103                for (hrrq = (ioa_cfg)->hrrq; \
1104                        hrrq < ((ioa_cfg)->hrrq + (ioa_cfg)->hrrq_num); hrrq++)
1105
1106#define for_each_fabric_cfg(fabric, cfg) \
1107                for (cfg = (fabric)->elem; \
1108                        cfg < ((fabric)->elem + be16_to_cpu((fabric)->num_entries)); \
1109                        cfg++)
1110
1111struct ipr_hostrcb_type_20_error {
1112        u8 failure_reason[64];
1113        u8 reserved[3];
1114        u8 num_entries;
1115        struct ipr_hostrcb_fabric_desc desc[1];
1116}__attribute__((packed, aligned (4)));
1117
1118struct ipr_hostrcb_type_30_error {
1119        u8 failure_reason[64];
1120        u8 reserved[3];
1121        u8 num_entries;
1122        struct ipr_hostrcb64_fabric_desc desc[1];
1123}__attribute__((packed, aligned (4)));
1124
1125struct ipr_hostrcb_type_41_error {
1126        u8 failure_reason[64];
1127         __be32 data[200];
1128}__attribute__((packed, aligned (4)));
1129
1130struct ipr_hostrcb_error {
1131        __be32 fd_ioasc;
1132        struct ipr_res_addr fd_res_addr;
1133        __be32 fd_res_handle;
1134        __be32 prc;
1135        union {
1136                struct ipr_hostrcb_type_ff_error type_ff_error;
1137                struct ipr_hostrcb_type_01_error type_01_error;
1138                struct ipr_hostrcb_type_02_error type_02_error;
1139                struct ipr_hostrcb_type_03_error type_03_error;
1140                struct ipr_hostrcb_type_04_error type_04_error;
1141                struct ipr_hostrcb_type_07_error type_07_error;
1142                struct ipr_hostrcb_type_12_error type_12_error;
1143                struct ipr_hostrcb_type_13_error type_13_error;
1144                struct ipr_hostrcb_type_14_error type_14_error;
1145                struct ipr_hostrcb_type_17_error type_17_error;
1146                struct ipr_hostrcb_type_20_error type_20_error;
1147        } u;
1148}__attribute__((packed, aligned (4)));
1149
1150struct ipr_hostrcb64_error {
1151        __be32 fd_ioasc;
1152        __be32 ioa_fw_level;
1153        __be32 fd_res_handle;
1154        __be32 prc;
1155        __be64 fd_dev_id;
1156        __be64 fd_lun;
1157        u8 fd_res_path[8];
1158        __be64 time_stamp;
1159        u8 reserved[16];
1160        union {
1161                struct ipr_hostrcb_type_ff_error type_ff_error;
1162                struct ipr_hostrcb_type_12_error type_12_error;
1163                struct ipr_hostrcb_type_17_error type_17_error;
1164                struct ipr_hostrcb_type_21_error type_21_error;
1165                struct ipr_hostrcb_type_23_error type_23_error;
1166                struct ipr_hostrcb_type_24_error type_24_error;
1167                struct ipr_hostrcb_type_30_error type_30_error;
1168                struct ipr_hostrcb_type_41_error type_41_error;
1169        } u;
1170}__attribute__((packed, aligned (8)));
1171
1172struct ipr_hostrcb_raw {
1173        __be32 data[sizeof(struct ipr_hostrcb_error)/sizeof(__be32)];
1174}__attribute__((packed, aligned (4)));
1175
1176struct ipr_hcam {
1177        u8 op_code;
1178#define IPR_HOST_RCB_OP_CODE_CONFIG_CHANGE                      0xE1
1179#define IPR_HOST_RCB_OP_CODE_LOG_DATA                           0xE2
1180
1181        u8 notify_type;
1182#define IPR_HOST_RCB_NOTIF_TYPE_EXISTING_CHANGED        0x00
1183#define IPR_HOST_RCB_NOTIF_TYPE_NEW_ENTRY                       0x01
1184#define IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY                       0x02
1185#define IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY         0x10
1186#define IPR_HOST_RCB_NOTIF_TYPE_INFORMATION_ENTRY       0x11
1187
1188        u8 notifications_lost;
1189#define IPR_HOST_RCB_NO_NOTIFICATIONS_LOST                      0
1190#define IPR_HOST_RCB_NOTIFICATIONS_LOST                         0x80
1191
1192        u8 flags;
1193#define IPR_HOSTRCB_INTERNAL_OPER       0x80
1194#define IPR_HOSTRCB_ERR_RESP_SENT       0x40
1195
1196        u8 overlay_id;
1197#define IPR_HOST_RCB_OVERLAY_ID_1                               0x01
1198#define IPR_HOST_RCB_OVERLAY_ID_2                               0x02
1199#define IPR_HOST_RCB_OVERLAY_ID_3                               0x03
1200#define IPR_HOST_RCB_OVERLAY_ID_4                               0x04
1201#define IPR_HOST_RCB_OVERLAY_ID_6                               0x06
1202#define IPR_HOST_RCB_OVERLAY_ID_7                               0x07
1203#define IPR_HOST_RCB_OVERLAY_ID_12                              0x12
1204#define IPR_HOST_RCB_OVERLAY_ID_13                              0x13
1205#define IPR_HOST_RCB_OVERLAY_ID_14                              0x14
1206#define IPR_HOST_RCB_OVERLAY_ID_16                              0x16
1207#define IPR_HOST_RCB_OVERLAY_ID_17                              0x17
1208#define IPR_HOST_RCB_OVERLAY_ID_20                              0x20
1209#define IPR_HOST_RCB_OVERLAY_ID_21                              0x21
1210#define IPR_HOST_RCB_OVERLAY_ID_23                              0x23
1211#define IPR_HOST_RCB_OVERLAY_ID_24                              0x24
1212#define IPR_HOST_RCB_OVERLAY_ID_26                              0x26
1213#define IPR_HOST_RCB_OVERLAY_ID_30                              0x30
1214#define IPR_HOST_RCB_OVERLAY_ID_41                              0x41
1215#define IPR_HOST_RCB_OVERLAY_ID_DEFAULT                         0xFF
1216
1217        u8 reserved1[3];
1218        __be32 ilid;
1219        __be32 time_since_last_ioa_reset;
1220        __be32 reserved2;
1221        __be32 length;
1222
1223        union {
1224                struct ipr_hostrcb_error error;
1225                struct ipr_hostrcb64_error error64;
1226                struct ipr_hostrcb_cfg_ch_not ccn;
1227                struct ipr_hostrcb_raw raw;
1228        } u;
1229}__attribute__((packed, aligned (4)));
1230
1231struct ipr_hostrcb {
1232        struct ipr_hcam hcam;
1233        dma_addr_t hostrcb_dma;
1234        struct list_head queue;
1235        struct ipr_ioa_cfg *ioa_cfg;
1236        char rp_buffer[IPR_MAX_RES_PATH_LENGTH];
1237};
1238
1239/* IPR smart dump table structures */
1240struct ipr_sdt_entry {
1241        __be32 start_token;
1242        __be32 end_token;
1243        u8 reserved[4];
1244
1245        u8 flags;
1246#define IPR_SDT_ENDIAN          0x80
1247#define IPR_SDT_VALID_ENTRY     0x20
1248
1249        u8 resv;
1250        __be16 priority;
1251}__attribute__((packed, aligned (4)));
1252
1253struct ipr_sdt_header {
1254        __be32 state;
1255        __be32 num_entries;
1256        __be32 num_entries_used;
1257        __be32 dump_size;
1258}__attribute__((packed, aligned (4)));
1259
1260struct ipr_sdt {
1261        struct ipr_sdt_header hdr;
1262        struct ipr_sdt_entry entry[IPR_FMT3_NUM_SDT_ENTRIES];
1263}__attribute__((packed, aligned (4)));
1264
1265struct ipr_uc_sdt {
1266        struct ipr_sdt_header hdr;
1267        struct ipr_sdt_entry entry[1];
1268}__attribute__((packed, aligned (4)));
1269
1270/*
1271 * Driver types
1272 */
1273struct ipr_bus_attributes {
1274        u8 bus;
1275        u8 qas_enabled;
1276        u8 bus_width;
1277        u8 reserved;
1278        u32 max_xfer_rate;
1279};
1280
1281struct ipr_sata_port {
1282        struct ipr_ioa_cfg *ioa_cfg;
1283        struct ata_port *ap;
1284        struct ipr_resource_entry *res;
1285        struct ipr_ioasa_gata ioasa;
1286};
1287
1288struct ipr_resource_entry {
1289        u8 needs_sync_complete:1;
1290        u8 in_erp:1;
1291        u8 add_to_ml:1;
1292        u8 del_from_ml:1;
1293        u8 resetting_device:1;
1294        u8 reset_occurred:1;
1295        u8 raw_mode:1;
1296
1297        u32 bus;                /* AKA channel */
1298        u32 target;             /* AKA id */
1299        u32 lun;
1300#define IPR_ARRAY_VIRTUAL_BUS                   0x1
1301#define IPR_VSET_VIRTUAL_BUS                    0x2
1302#define IPR_IOAFP_VIRTUAL_BUS                   0x3
1303
1304#define IPR_GET_RES_PHYS_LOC(res) \
1305        (((res)->bus << 24) | ((res)->target << 8) | (res)->lun)
1306
1307        u8 ata_class;
1308        u8 type;
1309
1310        u16 flags;
1311        u16 res_flags;
1312
1313        u8 qmodel;
1314        struct ipr_std_inq_data std_inq_data;
1315
1316        __be32 res_handle;
1317        __be64 dev_id;
1318        u64 lun_wwn;
1319        struct scsi_lun dev_lun;
1320        u8 res_path[8];
1321
1322        struct ipr_ioa_cfg *ioa_cfg;
1323        struct scsi_device *sdev;
1324        struct ipr_sata_port *sata_port;
1325        struct list_head queue;
1326}; /* struct ipr_resource_entry */
1327
1328struct ipr_resource_hdr {
1329        u16 num_entries;
1330        u16 reserved;
1331};
1332
1333struct ipr_misc_cbs {
1334        struct ipr_ioa_vpd ioa_vpd;
1335        struct ipr_inquiry_page0 page0_data;
1336        struct ipr_inquiry_page3 page3_data;
1337        struct ipr_inquiry_cap cap;
1338        struct ipr_inquiry_pageC4 pageC4_data;
1339        struct ipr_mode_pages mode_pages;
1340        struct ipr_supported_device supp_dev;
1341};
1342
1343struct ipr_interrupt_offsets {
1344        unsigned long set_interrupt_mask_reg;
1345        unsigned long clr_interrupt_mask_reg;
1346        unsigned long clr_interrupt_mask_reg32;
1347        unsigned long sense_interrupt_mask_reg;
1348        unsigned long sense_interrupt_mask_reg32;
1349        unsigned long clr_interrupt_reg;
1350        unsigned long clr_interrupt_reg32;
1351
1352        unsigned long sense_interrupt_reg;
1353        unsigned long sense_interrupt_reg32;
1354        unsigned long ioarrin_reg;
1355        unsigned long sense_uproc_interrupt_reg;
1356        unsigned long sense_uproc_interrupt_reg32;
1357        unsigned long set_uproc_interrupt_reg;
1358        unsigned long set_uproc_interrupt_reg32;
1359        unsigned long clr_uproc_interrupt_reg;
1360        unsigned long clr_uproc_interrupt_reg32;
1361
1362        unsigned long init_feedback_reg;
1363
1364        unsigned long dump_addr_reg;
1365        unsigned long dump_data_reg;
1366
1367#define IPR_ENDIAN_SWAP_KEY             0x00080800
1368        unsigned long endian_swap_reg;
1369};
1370
1371struct ipr_interrupts {
1372        void __iomem *set_interrupt_mask_reg;
1373        void __iomem *clr_interrupt_mask_reg;
1374        void __iomem *clr_interrupt_mask_reg32;
1375        void __iomem *sense_interrupt_mask_reg;
1376        void __iomem *sense_interrupt_mask_reg32;
1377        void __iomem *clr_interrupt_reg;
1378        void __iomem *clr_interrupt_reg32;
1379
1380        void __iomem *sense_interrupt_reg;
1381        void __iomem *sense_interrupt_reg32;
1382        void __iomem *ioarrin_reg;
1383        void __iomem *sense_uproc_interrupt_reg;
1384        void __iomem *sense_uproc_interrupt_reg32;
1385        void __iomem *set_uproc_interrupt_reg;
1386        void __iomem *set_uproc_interrupt_reg32;
1387        void __iomem *clr_uproc_interrupt_reg;
1388        void __iomem *clr_uproc_interrupt_reg32;
1389
1390        void __iomem *init_feedback_reg;
1391
1392        void __iomem *dump_addr_reg;
1393        void __iomem *dump_data_reg;
1394
1395        void __iomem *endian_swap_reg;
1396};
1397
1398struct ipr_chip_cfg_t {
1399        u32 mailbox;
1400        u16 max_cmds;
1401        u8 cache_line_size;
1402        u8 clear_isr;
1403        u32 iopoll_weight;
1404        struct ipr_interrupt_offsets regs;
1405};
1406
1407struct ipr_chip_t {
1408        u16 vendor;
1409        u16 device;
1410        bool has_msi;
1411        u16 sis_type;
1412#define IPR_SIS32                       0x00
1413#define IPR_SIS64                       0x01
1414        u16 bist_method;
1415#define IPR_PCI_CFG                     0x00
1416#define IPR_MMIO                        0x01
1417        const struct ipr_chip_cfg_t *cfg;
1418};
1419
1420enum ipr_shutdown_type {
1421        IPR_SHUTDOWN_NORMAL = 0x00,
1422        IPR_SHUTDOWN_PREPARE_FOR_NORMAL = 0x40,
1423        IPR_SHUTDOWN_ABBREV = 0x80,
1424        IPR_SHUTDOWN_NONE = 0x100,
1425        IPR_SHUTDOWN_QUIESCE = 0x101,
1426};
1427
1428struct ipr_trace_entry {
1429        u32 time;
1430
1431        u8 op_code;
1432        u8 ata_op_code;
1433        u8 type;
1434#define IPR_TRACE_START                 0x00
1435#define IPR_TRACE_FINISH                0xff
1436        u8 cmd_index;
1437
1438        __be32 res_handle;
1439        union {
1440                u32 ioasc;
1441                u32 add_data;
1442                u32 res_addr;
1443        } u;
1444};
1445
1446struct ipr_sglist {
1447        u32 order;
1448        u32 num_sg;
1449        u32 num_dma_sg;
1450        u32 buffer_len;
1451        struct scatterlist *scatterlist;
1452};
1453
1454enum ipr_sdt_state {
1455        INACTIVE,
1456        WAIT_FOR_DUMP,
1457        GET_DUMP,
1458        READ_DUMP,
1459        ABORT_DUMP,
1460        DUMP_OBTAINED
1461};
1462
1463/* Per-controller data */
1464struct ipr_ioa_cfg {
1465        char eye_catcher[8];
1466#define IPR_EYECATCHER                  "iprcfg"
1467
1468        struct list_head queue;
1469
1470        u8 in_reset_reload:1;
1471        u8 in_ioa_bringdown:1;
1472        u8 ioa_unit_checked:1;
1473        u8 dump_taken:1;
1474        u8 scan_enabled:1;
1475        u8 scan_done:1;
1476        u8 needs_hard_reset:1;
1477        u8 dual_raid:1;
1478        u8 needs_warm_reset:1;
1479        u8 msi_received:1;
1480        u8 sis64:1;
1481        u8 dump_timeout:1;
1482        u8 cfg_locked:1;
1483        u8 clear_isr:1;
1484        u8 probe_done:1;
1485        u8 scsi_unblock:1;
1486        u8 scsi_blocked:1;
1487
1488        u8 revid;
1489
1490        /*
1491         * Bitmaps for SIS64 generated target values
1492         */
1493        unsigned long target_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1494        unsigned long array_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1495        unsigned long vset_ids[BITS_TO_LONGS(IPR_MAX_SIS64_DEVS)];
1496
1497        u16 type; /* CCIN of the card */
1498
1499        u8 log_level;
1500#define IPR_MAX_LOG_LEVEL                       4
1501#define IPR_DEFAULT_LOG_LEVEL           2
1502#define IPR_DEBUG_LOG_LEVEL             3
1503
1504#define IPR_NUM_TRACE_INDEX_BITS        8
1505#define IPR_NUM_TRACE_ENTRIES           (1 << IPR_NUM_TRACE_INDEX_BITS)
1506#define IPR_TRACE_INDEX_MASK            (IPR_NUM_TRACE_ENTRIES - 1)
1507#define IPR_TRACE_SIZE  (sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES)
1508        char trace_start[8];
1509#define IPR_TRACE_START_LABEL                   "trace"
1510        struct ipr_trace_entry *trace;
1511        atomic_t trace_index;
1512
1513        char cfg_table_start[8];
1514#define IPR_CFG_TBL_START               "cfg"
1515        union {
1516                struct ipr_config_table *cfg_table;
1517                struct ipr_config_table64 *cfg_table64;
1518        } u;
1519        dma_addr_t cfg_table_dma;
1520        u32 cfg_table_size;
1521        u32 max_devs_supported;
1522
1523        char resource_table_label[8];
1524#define IPR_RES_TABLE_LABEL             "res_tbl"
1525        struct ipr_resource_entry *res_entries;
1526        struct list_head free_res_q;
1527        struct list_head used_res_q;
1528
1529        char ipr_hcam_label[8];
1530#define IPR_HCAM_LABEL                  "hcams"
1531        struct ipr_hostrcb *hostrcb[IPR_MAX_HCAMS];
1532        dma_addr_t hostrcb_dma[IPR_MAX_HCAMS];
1533        struct list_head hostrcb_free_q;
1534        struct list_head hostrcb_pending_q;
1535        struct list_head hostrcb_report_q;
1536
1537        struct ipr_hrr_queue hrrq[IPR_MAX_HRRQ_NUM];
1538        u32 hrrq_num;
1539        atomic_t  hrrq_index;
1540        u16 identify_hrrq_index;
1541
1542        struct ipr_bus_attributes bus_attr[IPR_MAX_NUM_BUSES];
1543
1544        unsigned int transop_timeout;
1545        const struct ipr_chip_cfg_t *chip_cfg;
1546        const struct ipr_chip_t *ipr_chip;
1547
1548        void __iomem *hdw_dma_regs;     /* iomapped PCI memory space */
1549        unsigned long hdw_dma_regs_pci; /* raw PCI memory space */
1550        void __iomem *ioa_mailbox;
1551        struct ipr_interrupts regs;
1552
1553        u16 saved_pcix_cmd_reg;
1554        u16 reset_retries;
1555
1556        u32 errors_logged;
1557        u32 doorbell;
1558
1559        struct Scsi_Host *host;
1560        struct pci_dev *pdev;
1561        struct ipr_sglist *ucode_sglist;
1562        u8 saved_mode_page_len;
1563
1564        struct work_struct work_q;
1565        struct work_struct scsi_add_work_q;
1566        struct workqueue_struct *reset_work_q;
1567
1568        wait_queue_head_t reset_wait_q;
1569        wait_queue_head_t msi_wait_q;
1570        wait_queue_head_t eeh_wait_q;
1571
1572        struct ipr_dump *dump;
1573        enum ipr_sdt_state sdt_state;
1574
1575        struct ipr_misc_cbs *vpd_cbs;
1576        dma_addr_t vpd_cbs_dma;
1577
1578        struct dma_pool *ipr_cmd_pool;
1579
1580        struct ipr_cmnd *reset_cmd;
1581        int (*reset) (struct ipr_cmnd *);
1582
1583        struct ata_host ata_host;
1584        char ipr_cmd_label[8];
1585#define IPR_CMD_LABEL           "ipr_cmd"
1586        u32 max_cmds;
1587        struct ipr_cmnd **ipr_cmnd_list;
1588        dma_addr_t *ipr_cmnd_list_dma;
1589
1590        unsigned int nvectors;
1591
1592        struct {
1593                char desc[22];
1594        } vectors_info[IPR_MAX_MSIX_VECTORS];
1595
1596        u32 iopoll_weight;
1597
1598}; /* struct ipr_ioa_cfg */
1599
1600struct ipr_cmnd {
1601        struct ipr_ioarcb ioarcb;
1602        union {
1603                struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
1604                struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
1605                struct ipr_ata64_ioadl ata_ioadl;
1606        } i;
1607        union {
1608                struct ipr_ioasa ioasa;
1609                struct ipr_ioasa64 ioasa64;
1610        } s;
1611        struct list_head queue;
1612        struct scsi_cmnd *scsi_cmd;
1613        struct ata_queued_cmd *qc;
1614        struct completion completion;
1615        struct timer_list timer;
1616        struct work_struct work;
1617        void (*fast_done) (struct ipr_cmnd *);
1618        void (*done) (struct ipr_cmnd *);
1619        int (*job_step) (struct ipr_cmnd *);
1620        int (*job_step_failed) (struct ipr_cmnd *);
1621        u16 cmd_index;
1622        u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
1623        dma_addr_t sense_buffer_dma;
1624        unsigned short dma_use_sg;
1625        dma_addr_t dma_addr;
1626        struct ipr_cmnd *sibling;
1627        union {
1628                enum ipr_shutdown_type shutdown_type;
1629                struct ipr_hostrcb *hostrcb;
1630                unsigned long time_left;
1631                unsigned long scratch;
1632                struct ipr_resource_entry *res;
1633                struct scsi_device *sdev;
1634        } u;
1635
1636        struct completion *eh_comp;
1637        struct ipr_hrr_queue *hrrq;
1638        struct ipr_ioa_cfg *ioa_cfg;
1639};
1640
1641struct ipr_ses_table_entry {
1642        char product_id[17];
1643        char compare_product_id_byte[17];
1644        u32 max_bus_speed_limit;        /* MB/sec limit for this backplane */
1645};
1646
1647struct ipr_dump_header {
1648        u32 eye_catcher;
1649#define IPR_DUMP_EYE_CATCHER            0xC5D4E3F2
1650        u32 len;
1651        u32 num_entries;
1652        u32 first_entry_offset;
1653        u32 status;
1654#define IPR_DUMP_STATUS_SUCCESS                 0
1655#define IPR_DUMP_STATUS_QUAL_SUCCESS            2
1656#define IPR_DUMP_STATUS_FAILED                  0xffffffff
1657        u32 os;
1658#define IPR_DUMP_OS_LINUX       0x4C4E5558
1659        u32 driver_name;
1660#define IPR_DUMP_DRIVER_NAME    0x49505232
1661}__attribute__((packed, aligned (4)));
1662
1663struct ipr_dump_entry_header {
1664        u32 eye_catcher;
1665#define IPR_DUMP_EYE_CATCHER            0xC5D4E3F2
1666        u32 len;
1667        u32 num_elems;
1668        u32 offset;
1669        u32 data_type;
1670#define IPR_DUMP_DATA_TYPE_ASCII        0x41534349
1671#define IPR_DUMP_DATA_TYPE_BINARY       0x42494E41
1672        u32 id;
1673#define IPR_DUMP_IOA_DUMP_ID            0x494F4131
1674#define IPR_DUMP_LOCATION_ID            0x4C4F4341
1675#define IPR_DUMP_TRACE_ID               0x54524143
1676#define IPR_DUMP_DRIVER_VERSION_ID      0x44525652
1677#define IPR_DUMP_DRIVER_TYPE_ID 0x54595045
1678#define IPR_DUMP_IOA_CTRL_BLK           0x494F4342
1679#define IPR_DUMP_PEND_OPS               0x414F5053
1680        u32 status;
1681}__attribute__((packed, aligned (4)));
1682
1683struct ipr_dump_location_entry {
1684        struct ipr_dump_entry_header hdr;
1685        u8 location[20];
1686}__attribute__((packed));
1687
1688struct ipr_dump_trace_entry {
1689        struct ipr_dump_entry_header hdr;
1690        u32 trace[IPR_TRACE_SIZE / sizeof(u32)];
1691}__attribute__((packed, aligned (4)));
1692
1693struct ipr_dump_version_entry {
1694        struct ipr_dump_entry_header hdr;
1695        u8 version[sizeof(IPR_DRIVER_VERSION)];
1696};
1697
1698struct ipr_dump_ioa_type_entry {
1699        struct ipr_dump_entry_header hdr;
1700        u32 type;
1701        u32 fw_version;
1702};
1703
1704struct ipr_driver_dump {
1705        struct ipr_dump_header hdr;
1706        struct ipr_dump_version_entry version_entry;
1707        struct ipr_dump_location_entry location_entry;
1708        struct ipr_dump_ioa_type_entry ioa_type_entry;
1709        struct ipr_dump_trace_entry trace_entry;
1710}__attribute__((packed));
1711
1712struct ipr_ioa_dump {
1713        struct ipr_dump_entry_header hdr;
1714        struct ipr_sdt sdt;
1715        __be32 **ioa_data;
1716        u32 reserved;
1717        u32 next_page_index;
1718        u32 page_offset;
1719        u32 format;
1720}__attribute__((packed, aligned (4)));
1721
1722struct ipr_dump {
1723        struct kref kref;
1724        struct ipr_ioa_cfg *ioa_cfg;
1725        struct ipr_driver_dump driver_dump;
1726        struct ipr_ioa_dump ioa_dump;
1727};
1728
1729struct ipr_error_table_t {
1730        u32 ioasc;
1731        int log_ioasa;
1732        int log_hcam;
1733        char *error;
1734};
1735
1736struct ipr_software_inq_lid_info {
1737        __be32 load_id;
1738        __be32 timestamp[3];
1739}__attribute__((packed, aligned (4)));
1740
1741struct ipr_ucode_image_header {
1742        __be32 header_length;
1743        __be32 lid_table_offset;
1744        u8 major_release;
1745        u8 card_type;
1746        u8 minor_release[2];
1747        u8 reserved[20];
1748        char eyecatcher[16];
1749        __be32 num_lids;
1750        struct ipr_software_inq_lid_info lid[1];
1751}__attribute__((packed, aligned (4)));
1752
1753/*
1754 * Macros
1755 */
1756#define IPR_DBG_CMD(CMD) if (ipr_debug) { CMD; }
1757
1758#ifdef CONFIG_SCSI_IPR_TRACE
1759#define ipr_create_trace_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1760#define ipr_remove_trace_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1761#else
1762#define ipr_create_trace_file(kobj, attr) 0
1763#define ipr_remove_trace_file(kobj, attr) do { } while(0)
1764#endif
1765
1766#ifdef CONFIG_SCSI_IPR_DUMP
1767#define ipr_create_dump_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
1768#define ipr_remove_dump_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
1769#else
1770#define ipr_create_dump_file(kobj, attr) 0
1771#define ipr_remove_dump_file(kobj, attr) do { } while(0)
1772#endif
1773
1774/*
1775 * Error logging macros
1776 */
1777#define ipr_err(...) printk(KERN_ERR IPR_NAME ": "__VA_ARGS__)
1778#define ipr_info(...) printk(KERN_INFO IPR_NAME ": "__VA_ARGS__)
1779#define ipr_dbg(...) IPR_DBG_CMD(printk(KERN_INFO IPR_NAME ": "__VA_ARGS__))
1780
1781#define ipr_res_printk(level, ioa_cfg, bus, target, lun, fmt, ...) \
1782        printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1783                bus, target, lun, ##__VA_ARGS__)
1784
1785#define ipr_res_err(ioa_cfg, res, fmt, ...) \
1786        ipr_res_printk(KERN_ERR, ioa_cfg, (res)->bus, (res)->target, (res)->lun, fmt, ##__VA_ARGS__)
1787
1788#define ipr_ra_printk(level, ioa_cfg, ra, fmt, ...) \
1789        printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
1790                (ra).bus, (ra).target, (ra).lun, ##__VA_ARGS__)
1791
1792#define ipr_ra_err(ioa_cfg, ra, fmt, ...) \
1793        ipr_ra_printk(KERN_ERR, ioa_cfg, ra, fmt, ##__VA_ARGS__)
1794
1795#define ipr_phys_res_err(ioa_cfg, res, fmt, ...)                        \
1796{                                                                       \
1797        if ((res).bus >= IPR_MAX_NUM_BUSES) {                           \
1798                ipr_err(fmt": unknown\n", ##__VA_ARGS__);               \
1799        } else {                                                        \
1800                ipr_err(fmt": %d:%d:%d:%d\n",                           \
1801                        ##__VA_ARGS__, (ioa_cfg)->host->host_no,        \
1802                        (res).bus, (res).target, (res).lun);            \
1803        }                                                               \
1804}
1805
1806#define ipr_hcam_err(hostrcb, fmt, ...)                                 \
1807{                                                                       \
1808        if (ipr_is_device(hostrcb)) {                                   \
1809                if ((hostrcb)->ioa_cfg->sis64) {                        \
1810                        printk(KERN_ERR IPR_NAME ": %s: " fmt,          \
1811                                ipr_format_res_path(hostrcb->ioa_cfg,   \
1812                                        hostrcb->hcam.u.error64.fd_res_path, \
1813                                        hostrcb->rp_buffer,             \
1814                                        sizeof(hostrcb->rp_buffer)),    \
1815                                __VA_ARGS__);                           \
1816                } else {                                                \
1817                        ipr_ra_err((hostrcb)->ioa_cfg,                  \
1818                                (hostrcb)->hcam.u.error.fd_res_addr,    \
1819                                fmt, __VA_ARGS__);                      \
1820                }                                                       \
1821        } else {                                                        \
1822                dev_err(&(hostrcb)->ioa_cfg->pdev->dev, fmt, __VA_ARGS__); \
1823        }                                                               \
1824}
1825
1826#define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
1827        __FILE__, __func__, __LINE__)
1828
1829#define ENTER IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Entering %s\n", __func__))
1830#define LEAVE IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Leaving %s\n", __func__))
1831
1832#define ipr_err_separator \
1833ipr_err("----------------------------------------------------------\n")
1834
1835
1836/*
1837 * Inlines
1838 */
1839
1840/**
1841 * ipr_is_ioa_resource - Determine if a resource is the IOA
1842 * @res:        resource entry struct
1843 *
1844 * Return value:
1845 *      1 if IOA / 0 if not IOA
1846 **/
1847static inline int ipr_is_ioa_resource(struct ipr_resource_entry *res)
1848{
1849        return res->type == IPR_RES_TYPE_IOAFP;
1850}
1851
1852/**
1853 * ipr_is_af_dasd_device - Determine if a resource is an AF DASD
1854 * @res:        resource entry struct
1855 *
1856 * Return value:
1857 *      1 if AF DASD / 0 if not AF DASD
1858 **/
1859static inline int ipr_is_af_dasd_device(struct ipr_resource_entry *res)
1860{
1861        return res->type == IPR_RES_TYPE_AF_DASD ||
1862                res->type == IPR_RES_TYPE_REMOTE_AF_DASD;
1863}
1864
1865/**
1866 * ipr_is_vset_device - Determine if a resource is a VSET
1867 * @res:        resource entry struct
1868 *
1869 * Return value:
1870 *      1 if VSET / 0 if not VSET
1871 **/
1872static inline int ipr_is_vset_device(struct ipr_resource_entry *res)
1873{
1874        return res->type == IPR_RES_TYPE_VOLUME_SET;
1875}
1876
1877/**
1878 * ipr_is_gscsi - Determine if a resource is a generic scsi resource
1879 * @res:        resource entry struct
1880 *
1881 * Return value:
1882 *      1 if GSCSI / 0 if not GSCSI
1883 **/
1884static inline int ipr_is_gscsi(struct ipr_resource_entry *res)
1885{
1886        return res->type == IPR_RES_TYPE_GENERIC_SCSI;
1887}
1888
1889/**
1890 * ipr_is_scsi_disk - Determine if a resource is a SCSI disk
1891 * @res:        resource entry struct
1892 *
1893 * Return value:
1894 *      1 if SCSI disk / 0 if not SCSI disk
1895 **/
1896static inline int ipr_is_scsi_disk(struct ipr_resource_entry *res)
1897{
1898        if (ipr_is_af_dasd_device(res) ||
1899            (ipr_is_gscsi(res) && IPR_IS_DASD_DEVICE(res->std_inq_data)))
1900                return 1;
1901        else
1902                return 0;
1903}
1904
1905/**
1906 * ipr_is_gata - Determine if a resource is a generic ATA resource
1907 * @res:        resource entry struct
1908 *
1909 * Return value:
1910 *      1 if GATA / 0 if not GATA
1911 **/
1912static inline int ipr_is_gata(struct ipr_resource_entry *res)
1913{
1914        return res->type == IPR_RES_TYPE_GENERIC_ATA;
1915}
1916
1917/**
1918 * ipr_is_naca_model - Determine if a resource is using NACA queueing model
1919 * @res:        resource entry struct
1920 *
1921 * Return value:
1922 *      1 if NACA queueing model / 0 if not NACA queueing model
1923 **/
1924static inline int ipr_is_naca_model(struct ipr_resource_entry *res)
1925{
1926        if (ipr_is_gscsi(res) && res->qmodel == IPR_QUEUE_NACA_MODEL)
1927                return 1;
1928        return 0;
1929}
1930
1931/**
1932 * ipr_is_device - Determine if the hostrcb structure is related to a device
1933 * @hostrcb:    host resource control blocks struct
1934 *
1935 * Return value:
1936 *      1 if AF / 0 if not AF
1937 **/
1938static inline int ipr_is_device(struct ipr_hostrcb *hostrcb)
1939{
1940        struct ipr_res_addr *res_addr;
1941        u8 *res_path;
1942
1943        if (hostrcb->ioa_cfg->sis64) {
1944                res_path = &hostrcb->hcam.u.error64.fd_res_path[0];
1945                if ((res_path[0] == 0x00 || res_path[0] == 0x80 ||
1946                    res_path[0] == 0x81) && res_path[2] != 0xFF)
1947                        return 1;
1948        } else {
1949                res_addr = &hostrcb->hcam.u.error.fd_res_addr;
1950
1951                if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
1952                    (res_addr->target < (IPR_MAX_NUM_TARGETS_PER_BUS - 1)))
1953                        return 1;
1954        }
1955        return 0;
1956}
1957
1958/**
1959 * ipr_sdt_is_fmt2 - Determine if a SDT address is in format 2
1960 * @sdt_word:   SDT address
1961 *
1962 * Return value:
1963 *      1 if format 2 / 0 if not
1964 **/
1965static inline int ipr_sdt_is_fmt2(u32 sdt_word)
1966{
1967        u32 bar_sel = IPR_GET_FMT2_BAR_SEL(sdt_word);
1968
1969        switch (bar_sel) {
1970        case IPR_SDT_FMT2_BAR0_SEL:
1971        case IPR_SDT_FMT2_BAR1_SEL:
1972        case IPR_SDT_FMT2_BAR2_SEL:
1973        case IPR_SDT_FMT2_BAR3_SEL:
1974        case IPR_SDT_FMT2_BAR4_SEL:
1975        case IPR_SDT_FMT2_BAR5_SEL:
1976        case IPR_SDT_FMT2_EXP_ROM_SEL:
1977                return 1;
1978        };
1979
1980        return 0;
1981}
1982
1983#ifndef writeq
1984static inline void writeq(u64 val, void __iomem *addr)
1985{
1986        writel(((u32) (val >> 32)), addr);
1987        writel(((u32) (val)), (addr + 4));
1988}
1989#endif
1990
1991#endif /* _IPR_H */
1992