drivers/scsi/qla2xxx/qla_target.h

   1 /*
   2  *  Copyright (C) 2004 - 2010 Vladislav Bolkhovitin <vst@vlnb.net>
   3  *  Copyright (C) 2004 - 2005 Leonid Stoljar
   4  *  Copyright (C) 2006 Nathaniel Clark <nate@misrule.us>
   5  *  Copyright (C) 2007 - 2010 ID7 Ltd.
   6  *
   7  *  Forward port and refactoring to modern qla2xxx and target/configfs
   8  *
   9  *  Copyright (C) 2010-2011 Nicholas A. Bellinger <nab@kernel.org>
  10  *
  11  *  Additional file for the target driver support.
  12  *
  13  *  This program is free software; you can redistribute it and/or
  14  *  modify it under the terms of the GNU General Public License
  15  *  as published by the Free Software Foundation; either version 2
  16  *  of the License, or (at your option) any later version.
  17  *
  18  *  This program is distributed in the hope that it will be useful,
  19  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  21  *  GNU General Public License for more details.
  22  */
  23 /*
  24  * This is the global def file that is useful for including from the
  25  * target portion.
  26  */
  27
  28 #ifndef __QLA_TARGET_H
  29 #define __QLA_TARGET_H
  30
  31 #include "qla_def.h"
  32
  33 /*
  34  * Must be changed on any change in any initiator visible interfaces or
  35  * data in the target add-on
  36  */
  37 #define QLA2XXX_TARGET_MAGIC    269
  38
  39 /*
  40  * Must be changed on any change in any target visible interfaces or
  41  * data in the initiator
  42  */
  43 #define QLA2XXX_INITIATOR_MAGIC   57222
  44
  45 #define QLA2XXX_INI_MODE_STR_EXCLUSIVE  "exclusive"
  46 #define QLA2XXX_INI_MODE_STR_DISABLED   "disabled"
  47 #define QLA2XXX_INI_MODE_STR_ENABLED    "enabled"
  48 #define QLA2XXX_INI_MODE_STR_DUAL               "dual"
  49
  50 #define QLA2XXX_INI_MODE_EXCLUSIVE      0
  51 #define QLA2XXX_INI_MODE_DISABLED       1
  52 #define QLA2XXX_INI_MODE_ENABLED        2
  53 #define QLA2XXX_INI_MODE_DUAL   3
  54
  55 #define QLA2XXX_COMMAND_COUNT_INIT      250
  56 #define QLA2XXX_IMMED_NOTIFY_COUNT_INIT 250
  57
  58 /*
  59  * Used to mark which completion handles (for RIO Status's) are for CTIO's
  60  * vs. regular (non-target) info. This is checked for in
  61  * qla2x00_process_response_queue() to see if a handle coming back in a
  62  * multi-complete should come to the tgt driver or be handled there by qla2xxx
  63  */
  64 #define CTIO_COMPLETION_HANDLE_MARK     BIT_29
  65 #if (CTIO_COMPLETION_HANDLE_MARK <= DEFAULT_OUTSTANDING_COMMANDS)
  66 #error "CTIO_COMPLETION_HANDLE_MARK not larger than "
  67         "DEFAULT_OUTSTANDING_COMMANDS"
  68 #endif
  69 #define HANDLE_IS_CTIO_COMP(h) (h & CTIO_COMPLETION_HANDLE_MARK)
  70
  71 /* Used to mark CTIO as intermediate */
  72 #define CTIO_INTERMEDIATE_HANDLE_MARK   BIT_30
  73 #define QLA_TGT_NULL_HANDLE     0
  74
  75 #define QLA_TGT_HANDLE_MASK  0xF0000000
  76 #define QLA_QPID_HANDLE_MASK 0x00FF0000 /* qpair id mask */
  77 #define QLA_CMD_HANDLE_MASK  0x0000FFFF
  78 #define QLA_TGT_SKIP_HANDLE     (0xFFFFFFFF & ~QLA_TGT_HANDLE_MASK)
  79
  80 #define QLA_QPID_HANDLE_SHIFT 16
  81 #define GET_QID(_h) ((_h & QLA_QPID_HANDLE_MASK) >> QLA_QPID_HANDLE_SHIFT)
  82
  83
  84 #ifndef OF_SS_MODE_0
  85 /*
  86  * ISP target entries - Flags bit definitions.
  87  */
  88 #define OF_SS_MODE_0        0
  89 #define OF_SS_MODE_1        1
  90 #define OF_SS_MODE_2        2
  91 #define OF_SS_MODE_3        3
  92
  93 #define OF_EXPL_CONF        BIT_5       /* Explicit Confirmation Requested */
  94 #define OF_DATA_IN          BIT_6       /* Data in to initiator */
  95                                         /*  (data from target to initiator) */
  96 #define OF_DATA_OUT         BIT_7       /* Data out from initiator */
  97                                         /*  (data from initiator to target) */
  98 #define OF_NO_DATA          (BIT_7 | BIT_6)
  99 #define OF_INC_RC           BIT_8       /* Increment command resource count */
 100 #define OF_FAST_POST        BIT_9       /* Enable mailbox fast posting. */
 101 #define OF_CONF_REQ         BIT_13      /* Confirmation Requested */
 102 #define OF_TERM_EXCH        BIT_14      /* Terminate exchange */
 103 #define OF_SSTS             BIT_15      /* Send SCSI status */
 104 #endif
 105
 106 #ifndef QLA_TGT_DATASEGS_PER_CMD32
 107 #define QLA_TGT_DATASEGS_PER_CMD32      3
 108 #define QLA_TGT_DATASEGS_PER_CONT32     7
 109 #define QLA_TGT_MAX_SG32(ql) \
 110         (((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD32 + \
 111                 QLA_TGT_DATASEGS_PER_CONT32*((ql) - 1)) : 0)
 112
 113 #define QLA_TGT_DATASEGS_PER_CMD64      2
 114 #define QLA_TGT_DATASEGS_PER_CONT64     5
 115 #define QLA_TGT_MAX_SG64(ql) \
 116         (((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD64 + \
 117                 QLA_TGT_DATASEGS_PER_CONT64*((ql) - 1)) : 0)
 118 #endif
 119
 120 #ifndef QLA_TGT_DATASEGS_PER_CMD_24XX
 121 #define QLA_TGT_DATASEGS_PER_CMD_24XX   1
 122 #define QLA_TGT_DATASEGS_PER_CONT_24XX  5
 123 #define QLA_TGT_MAX_SG_24XX(ql) \
 124         (min(1270, ((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD_24XX + \
 125                 QLA_TGT_DATASEGS_PER_CONT_24XX*((ql) - 1)) : 0))
 126 #endif
 127 #endif
 128
 129 #define GET_TARGET_ID(ha, iocb) ((HAS_EXTENDED_IDS(ha))                 \
 130                          ? le16_to_cpu((iocb)->u.isp2x.target.extended) \
 131                          : (uint16_t)(iocb)->u.isp2x.target.id.standard)
 132
 133 #ifndef NOTIFY_ACK_TYPE
 134 #define NOTIFY_ACK_TYPE 0x0E      /* Notify acknowledge entry. */
 135 /*
 136  * ISP queue -  notify acknowledge entry structure definition.
 137  *              This is sent to the ISP from the target driver.
 138  */
 139 struct nack_to_isp {
 140         uint8_t  entry_type;                /* Entry type. */
 141         uint8_t  entry_count;               /* Entry count. */
 142         uint8_t  sys_define;                /* System defined. */
 143         uint8_t  entry_status;              /* Entry Status. */
 144         union {
 145                 struct {
 146                         uint32_t sys_define_2; /* System defined. */
 147                         target_id_t target;
 148                         uint8_t  target_id;
 149                         uint8_t  reserved_1;
 150                         uint16_t flags;
 151                         uint16_t resp_code;
 152                         uint16_t status;
 153                         uint16_t task_flags;
 154                         uint16_t seq_id;
 155                         uint16_t srr_rx_id;
 156                         uint32_t srr_rel_offs;
 157                         uint16_t srr_ui;
 158                         uint16_t srr_flags;
 159                         uint16_t srr_reject_code;
 160                         uint8_t  srr_reject_vendor_uniq;
 161                         uint8_t  srr_reject_code_expl;
 162                         uint8_t  reserved_2[24];
 163                 } isp2x;
 164                 struct {
 165                         uint32_t handle;
 166                         uint16_t nport_handle;
 167                         uint16_t reserved_1;
 168                         uint16_t flags;
 169                         uint16_t srr_rx_id;
 170                         uint16_t status;
 171                         uint8_t  status_subcode;
 172                         uint8_t  fw_handle;
 173                         uint32_t exchange_address;
 174                         uint32_t srr_rel_offs;
 175                         uint16_t srr_ui;
 176                         uint16_t srr_flags;
 177                         uint8_t  reserved_4[19];
 178                         uint8_t  vp_index;
 179                         uint8_t  srr_reject_vendor_uniq;
 180                         uint8_t  srr_reject_code_expl;
 181                         uint8_t  srr_reject_code;
 182                         uint8_t  reserved_5[5];
 183                 } isp24;
 184         } u;
 185         uint8_t  reserved[2];
 186         uint16_t ox_id;
 187 } __packed;
 188 #define NOTIFY_ACK_FLAGS_TERMINATE      BIT_3
 189 #define NOTIFY_ACK_SRR_FLAGS_ACCEPT     0
 190 #define NOTIFY_ACK_SRR_FLAGS_REJECT     1
 191
 192 #define NOTIFY_ACK_SRR_REJECT_REASON_UNABLE_TO_PERFORM  0x9
 193
 194 #define NOTIFY_ACK_SRR_FLAGS_REJECT_EXPL_NO_EXPL                0
 195 #define NOTIFY_ACK_SRR_FLAGS_REJECT_EXPL_UNABLE_TO_SUPPLY_DATA  0x2a
 196
 197 #define NOTIFY_ACK_SUCCESS      0x01
 198 #endif
 199
 200 #ifndef ACCEPT_TGT_IO_TYPE
 201 #define ACCEPT_TGT_IO_TYPE 0x16 /* Accept target I/O entry. */
 202 #endif
 203
 204 #ifndef CONTINUE_TGT_IO_TYPE
 205 #define CONTINUE_TGT_IO_TYPE 0x17
 206 /*
 207  * ISP queue -  Continue Target I/O (CTIO) entry for status mode 0 structure.
 208  *              This structure is sent to the ISP 2xxx from target driver.
 209  */
 210 struct ctio_to_2xxx {
 211         uint8_t  entry_type;            /* Entry type. */
 212         uint8_t  entry_count;           /* Entry count. */
 213         uint8_t  sys_define;            /* System defined. */
 214         uint8_t  entry_status;          /* Entry Status. */
 215         uint32_t handle;                /* System defined handle */
 216         target_id_t target;
 217         uint16_t rx_id;
 218         uint16_t flags;
 219         uint16_t status;
 220         uint16_t timeout;               /* 0 = 30 seconds, 0xFFFF = disable */
 221         uint16_t dseg_count;            /* Data segment count. */
 222         uint32_t relative_offset;
 223         uint32_t residual;
 224         uint16_t reserved_1[3];
 225         uint16_t scsi_status;
 226         uint32_t transfer_length;
 227         uint32_t dseg_0_address;        /* Data segment 0 address. */
 228         uint32_t dseg_0_length;         /* Data segment 0 length. */
 229         uint32_t dseg_1_address;        /* Data segment 1 address. */
 230         uint32_t dseg_1_length;         /* Data segment 1 length. */
 231         uint32_t dseg_2_address;        /* Data segment 2 address. */
 232         uint32_t dseg_2_length;         /* Data segment 2 length. */
 233 } __packed;
 234 #define ATIO_PATH_INVALID       0x07
 235 #define ATIO_CANT_PROV_CAP      0x16
 236 #define ATIO_CDB_VALID          0x3D
 237
 238 #define ATIO_EXEC_READ          BIT_1
 239 #define ATIO_EXEC_WRITE         BIT_0
 240 #endif
 241
 242 #ifndef CTIO_A64_TYPE
 243 #define CTIO_A64_TYPE 0x1F
 244 #define CTIO_SUCCESS                    0x01
 245 #define CTIO_ABORTED                    0x02
 246 #define CTIO_INVALID_RX_ID              0x08
 247 #define CTIO_TIMEOUT                    0x0B
 248 #define CTIO_DIF_ERROR                  0x0C     /* DIF error detected  */
 249 #define CTIO_LIP_RESET                  0x0E
 250 #define CTIO_TARGET_RESET               0x17
 251 #define CTIO_PORT_UNAVAILABLE           0x28
 252 #define CTIO_PORT_LOGGED_OUT            0x29
 253 #define CTIO_PORT_CONF_CHANGED          0x2A
 254 #define CTIO_SRR_RECEIVED               0x45
 255 #endif
 256
 257 #ifndef CTIO_RET_TYPE
 258 #define CTIO_RET_TYPE   0x17            /* CTIO return entry */
 259 #define ATIO_TYPE7 0x06 /* Accept target I/O entry for 24xx */
 260
 261 struct fcp_hdr {
 262         uint8_t  r_ctl;
 263         uint8_t  d_id[3];
 264         uint8_t  cs_ctl;
 265         uint8_t  s_id[3];
 266         uint8_t  type;
 267         uint8_t  f_ctl[3];
 268         uint8_t  seq_id;
 269         uint8_t  df_ctl;
 270         uint16_t seq_cnt;
 271         __be16   ox_id;
 272         uint16_t rx_id;
 273         uint32_t parameter;
 274 } __packed;
 275
 276 struct fcp_hdr_le {
 277         uint8_t  d_id[3];
 278         uint8_t  r_ctl;
 279         uint8_t  s_id[3];
 280         uint8_t  cs_ctl;
 281         uint8_t  f_ctl[3];
 282         uint8_t  type;
 283         uint16_t seq_cnt;
 284         uint8_t  df_ctl;
 285         uint8_t  seq_id;
 286         uint16_t rx_id;
 287         uint16_t ox_id;
 288         uint32_t parameter;
 289 } __packed;
 290
 291 #define F_CTL_EXCH_CONTEXT_RESP BIT_23
 292 #define F_CTL_SEQ_CONTEXT_RESIP BIT_22
 293 #define F_CTL_LAST_SEQ          BIT_20
 294 #define F_CTL_END_SEQ           BIT_19
 295 #define F_CTL_SEQ_INITIATIVE    BIT_16
 296
 297 #define R_CTL_BASIC_LINK_SERV   0x80
 298 #define R_CTL_B_ACC             0x4
 299 #define R_CTL_B_RJT             0x5
 300
 301 struct atio7_fcp_cmnd {
 302         uint64_t lun;
 303         uint8_t  cmnd_ref;
 304         uint8_t  task_attr:3;
 305         uint8_t  reserved:5;
 306         uint8_t  task_mgmt_flags;
 307 #define FCP_CMND_TASK_MGMT_CLEAR_ACA            6
 308 #define FCP_CMND_TASK_MGMT_TARGET_RESET         5
 309 #define FCP_CMND_TASK_MGMT_LU_RESET             4
 310 #define FCP_CMND_TASK_MGMT_CLEAR_TASK_SET       2
 311 #define FCP_CMND_TASK_MGMT_ABORT_TASK_SET       1
 312         uint8_t  wrdata:1;
 313         uint8_t  rddata:1;
 314         uint8_t  add_cdb_len:6;
 315         uint8_t  cdb[16];
 316         /*
 317          * add_cdb is optional and can absent from struct atio7_fcp_cmnd. Size 4
 318          * only to make sizeof(struct atio7_fcp_cmnd) be as expected by
 319          * BUILD_BUG_ON in qlt_init().
 320          */
 321         uint8_t  add_cdb[4];
 322         /* uint32_t data_length; */
 323 } __packed;
 324
 325 /*
 326  * ISP queue -  Accept Target I/O (ATIO) type entry IOCB structure.
 327  *              This is sent from the ISP to the target driver.
 328  */
 329 struct atio_from_isp {
 330         union {
 331                 struct {
 332                         uint16_t entry_hdr;
 333                         uint8_t  sys_define;   /* System defined. */
 334                         uint8_t  entry_status; /* Entry Status.   */
 335                         uint32_t sys_define_2; /* System defined. */
 336                         target_id_t target;
 337                         uint16_t rx_id;
 338                         uint16_t flags;
 339                         uint16_t status;
 340                         uint8_t  command_ref;
 341                         uint8_t  task_codes;
 342                         uint8_t  task_flags;
 343                         uint8_t  execution_codes;
 344                         uint8_t  cdb[MAX_CMDSZ];
 345                         uint32_t data_length;
 346                         uint16_t lun;
 347                         uint8_t  initiator_port_name[WWN_SIZE]; /* on qla23xx */
 348                         uint16_t reserved_32[6];
 349                         uint16_t ox_id;
 350                 } isp2x;
 351                 struct {
 352                         uint16_t entry_hdr;
 353                         uint8_t  fcp_cmnd_len_low;
 354                         uint8_t  fcp_cmnd_len_high:4;
 355                         uint8_t  attr:4;
 356                         uint32_t exchange_addr;
 357 #define ATIO_EXCHANGE_ADDRESS_UNKNOWN   0xFFFFFFFF
 358                         struct fcp_hdr fcp_hdr;
 359                         struct atio7_fcp_cmnd fcp_cmnd;
 360                 } isp24;
 361                 struct {
 362                         uint8_t  entry_type;    /* Entry type. */
 363                         uint8_t  entry_count;   /* Entry count. */
 364                         __le16   attr_n_length;
 365 #define FCP_CMD_LENGTH_MASK 0x0fff
 366 #define FCP_CMD_LENGTH_MIN  0x38
 367                         uint8_t  data[56];
 368                         uint32_t signature;
 369 #define ATIO_PROCESSED 0xDEADDEAD               /* Signature */
 370                 } raw;
 371         } u;
 372 } __packed;
 373
 374 static inline int fcpcmd_is_corrupted(struct atio *atio)
 375 {
 376         if (atio->entry_type == ATIO_TYPE7 &&
 377             (le16_to_cpu(atio->attr_n_length & FCP_CMD_LENGTH_MASK) <
 378             FCP_CMD_LENGTH_MIN))
 379                 return 1;
 380         else
 381                 return 0;
 382 }
 383
 384 /* adjust corrupted atio so we won't trip over the same entry again. */
 385 static inline void adjust_corrupted_atio(struct atio_from_isp *atio)
 386 {
 387         atio->u.raw.attr_n_length = cpu_to_le16(FCP_CMD_LENGTH_MIN);
 388         atio->u.isp24.fcp_cmnd.add_cdb_len = 0;
 389 }
 390
 391 static inline int get_datalen_for_atio(struct atio_from_isp *atio)
 392 {
 393         int len = atio->u.isp24.fcp_cmnd.add_cdb_len;
 394
 395         return (be32_to_cpu(get_unaligned((uint32_t *)
 396             &atio->u.isp24.fcp_cmnd.add_cdb[len * 4])));
 397 }
 398
 399 #define CTIO_TYPE7 0x12 /* Continue target I/O entry (for 24xx) */
 400
 401 /*
 402  * ISP queue -  Continue Target I/O (ATIO) type 7 entry (for 24xx) structure.
 403  *              This structure is sent to the ISP 24xx from the target driver.
 404  */
 405
 406 struct ctio7_to_24xx {
 407         uint8_t  entry_type;                /* Entry type. */
 408         uint8_t  entry_count;               /* Entry count. */
 409         uint8_t  sys_define;                /* System defined. */
 410         uint8_t  entry_status;              /* Entry Status. */
 411         uint32_t handle;                    /* System defined handle */
 412         uint16_t nport_handle;
 413 #define CTIO7_NHANDLE_UNRECOGNIZED      0xFFFF
 414         uint16_t timeout;
 415         uint16_t dseg_count;                /* Data segment count. */
 416         uint8_t  vp_index;
 417         uint8_t  add_flags;
 418         uint8_t  initiator_id[3];
 419         uint8_t  reserved;
 420         uint32_t exchange_addr;
 421         union {
 422                 struct {
 423                         uint16_t reserved1;
 424                         __le16 flags;
 425                         uint32_t residual;
 426                         __le16 ox_id;
 427                         uint16_t scsi_status;
 428                         uint32_t relative_offset;
 429                         uint32_t reserved2;
 430                         uint32_t transfer_length;
 431                         uint32_t reserved3;
 432                         /* Data segment 0 address. */
 433                         uint32_t dseg_0_address[2];
 434                         /* Data segment 0 length. */
 435                         uint32_t dseg_0_length;
 436                 } status0;
 437                 struct {
 438                         uint16_t sense_length;
 439                         __le16 flags;
 440                         uint32_t residual;
 441                         __le16 ox_id;
 442                         uint16_t scsi_status;
 443                         uint16_t response_len;
 444                         uint16_t reserved;
 445                         uint8_t sense_data[24];
 446                 } status1;
 447         } u;
 448 } __packed;
 449
 450 /*
 451  * ISP queue - CTIO type 7 from ISP 24xx to target driver
 452  * returned entry structure.
 453  */
 454 struct ctio7_from_24xx {
 455         uint8_t  entry_type;                /* Entry type. */
 456         uint8_t  entry_count;               /* Entry count. */
 457         uint8_t  sys_define;                /* System defined. */
 458         uint8_t  entry_status;              /* Entry Status. */
 459         uint32_t handle;                    /* System defined handle */
 460         uint16_t status;
 461         uint16_t timeout;
 462         uint16_t dseg_count;                /* Data segment count. */
 463         uint8_t  vp_index;
 464         uint8_t  reserved1[5];
 465         uint32_t exchange_address;
 466         uint16_t reserved2;
 467         uint16_t flags;
 468         uint32_t residual;
 469         uint16_t ox_id;
 470         uint16_t reserved3;
 471         uint32_t relative_offset;
 472         uint8_t  reserved4[24];
 473 } __packed;
 474
 475 /* CTIO7 flags values */
 476 #define CTIO7_FLAGS_SEND_STATUS         BIT_15
 477 #define CTIO7_FLAGS_TERMINATE           BIT_14
 478 #define CTIO7_FLAGS_CONFORM_REQ         BIT_13
 479 #define CTIO7_FLAGS_DONT_RET_CTIO       BIT_8
 480 #define CTIO7_FLAGS_STATUS_MODE_0       0
 481 #define CTIO7_FLAGS_STATUS_MODE_1       BIT_6
 482 #define CTIO7_FLAGS_STATUS_MODE_2       BIT_7
 483 #define CTIO7_FLAGS_EXPLICIT_CONFORM    BIT_5
 484 #define CTIO7_FLAGS_CONFIRM_SATISF      BIT_4
 485 #define CTIO7_FLAGS_DSD_PTR             BIT_2
 486 #define CTIO7_FLAGS_DATA_IN             BIT_1 /* data to initiator */
 487 #define CTIO7_FLAGS_DATA_OUT            BIT_0 /* data from initiator */
 488
 489 #define ELS_PLOGI                       0x3
 490 #define ELS_FLOGI                       0x4
 491 #define ELS_LOGO                        0x5
 492 #define ELS_PRLI                        0x20
 493 #define ELS_PRLO                        0x21
 494 #define ELS_TPRLO                       0x24
 495 #define ELS_PDISC                       0x50
 496 #define ELS_ADISC                       0x52
 497
 498 /*
 499  *CTIO Type CRC_2 IOCB
 500  */
 501 struct ctio_crc2_to_fw {
 502         uint8_t entry_type;             /* Entry type. */
 503 #define CTIO_CRC2 0x7A
 504         uint8_t entry_count;            /* Entry count. */
 505         uint8_t sys_define;             /* System defined. */
 506         uint8_t entry_status;           /* Entry Status. */
 507
 508         uint32_t handle;                /* System handle. */
 509         uint16_t nport_handle;          /* N_PORT handle. */
 510         __le16 timeout;         /* Command timeout. */
 511
 512         uint16_t dseg_count;            /* Data segment count. */
 513         uint8_t  vp_index;
 514         uint8_t  add_flags;             /* additional flags */
 515 #define CTIO_CRC2_AF_DIF_DSD_ENA BIT_3
 516
 517         uint8_t  initiator_id[3];       /* initiator ID */
 518         uint8_t  reserved1;
 519         uint32_t exchange_addr;         /* rcv exchange address */
 520         uint16_t reserved2;
 521         __le16 flags;                   /* refer to CTIO7 flags values */
 522         uint32_t residual;
 523         __le16 ox_id;
 524         uint16_t scsi_status;
 525         __le32 relative_offset;
 526         uint32_t reserved5;
 527         __le32 transfer_length;         /* total fc transfer length */
 528         uint32_t reserved6;
 529         __le32 crc_context_address[2];/* Data segment address. */
 530         uint16_t crc_context_len;       /* Data segment length. */
 531         uint16_t reserved_1;            /* MUST be set to 0. */
 532 } __packed;
 533
 534 /* CTIO Type CRC_x Status IOCB */
 535 struct ctio_crc_from_fw {
 536         uint8_t entry_type;             /* Entry type. */
 537         uint8_t entry_count;            /* Entry count. */
 538         uint8_t sys_define;             /* System defined. */
 539         uint8_t entry_status;           /* Entry Status. */
 540
 541         uint32_t handle;                /* System handle. */
 542         uint16_t status;
 543         uint16_t timeout;               /* Command timeout. */
 544         uint16_t dseg_count;            /* Data segment count. */
 545         uint32_t reserved1;
 546         uint16_t state_flags;
 547 #define CTIO_CRC_SF_DIF_CHOPPED BIT_4
 548
 549         uint32_t exchange_address;      /* rcv exchange address */
 550         uint16_t reserved2;
 551         uint16_t flags;
 552         uint32_t resid_xfer_length;
 553         uint16_t ox_id;
 554         uint8_t  reserved3[12];
 555         uint16_t runt_guard;            /* reported runt blk guard */
 556         uint8_t  actual_dif[8];
 557         uint8_t  expected_dif[8];
 558 } __packed;
 559
 560 /*
 561  * ISP queue - ABTS received/response entries structure definition for 24xx.
 562  */
 563 #define ABTS_RECV_24XX          0x54 /* ABTS received (for 24xx) */
 564 #define ABTS_RESP_24XX          0x55 /* ABTS responce (for 24xx) */
 565
 566 /*
 567  * ISP queue -  ABTS received IOCB entry structure definition for 24xx.
 568  *              The ABTS BLS received from the wire is sent to the
 569  *              target driver by the ISP 24xx.
 570  *              The IOCB is placed on the response queue.
 571  */
 572 struct abts_recv_from_24xx {
 573         uint8_t  entry_type;                /* Entry type. */
 574         uint8_t  entry_count;               /* Entry count. */
 575         uint8_t  sys_define;                /* System defined. */
 576         uint8_t  entry_status;              /* Entry Status. */
 577         uint8_t  reserved_1[6];
 578         uint16_t nport_handle;
 579         uint8_t  reserved_2[2];
 580         uint8_t  vp_index;
 581         uint8_t  reserved_3:4;
 582         uint8_t  sof_type:4;
 583         uint32_t exchange_address;
 584         struct fcp_hdr_le fcp_hdr_le;
 585         uint8_t  reserved_4[16];
 586         uint32_t exchange_addr_to_abort;
 587 } __packed;
 588
 589 #define ABTS_PARAM_ABORT_SEQ            BIT_0
 590
 591 struct ba_acc_le {
 592         uint16_t reserved;
 593         uint8_t  seq_id_last;
 594         uint8_t  seq_id_valid;
 595 #define SEQ_ID_VALID    0x80
 596 #define SEQ_ID_INVALID  0x00
 597         uint16_t rx_id;
 598         uint16_t ox_id;
 599         uint16_t high_seq_cnt;
 600         uint16_t low_seq_cnt;
 601 } __packed;
 602
 603 struct ba_rjt_le {
 604         uint8_t vendor_uniq;
 605         uint8_t reason_expl;
 606         uint8_t reason_code;
 607 #define BA_RJT_REASON_CODE_INVALID_COMMAND      0x1
 608 #define BA_RJT_REASON_CODE_UNABLE_TO_PERFORM    0x9
 609         uint8_t reserved;
 610 } __packed;
 611
 612 /*
 613  * ISP queue -  ABTS Response IOCB entry structure definition for 24xx.
 614  *              The ABTS response to the ABTS received is sent by the
 615  *              target driver to the ISP 24xx.
 616  *              The IOCB is placed on the request queue.
 617  */
 618 struct abts_resp_to_24xx {
 619         uint8_t  entry_type;                /* Entry type. */
 620         uint8_t  entry_count;               /* Entry count. */
 621         uint8_t  sys_define;                /* System defined. */
 622         uint8_t  entry_status;              /* Entry Status. */
 623         uint32_t handle;
 624         uint16_t reserved_1;
 625         uint16_t nport_handle;
 626         uint16_t control_flags;
 627 #define ABTS_CONTR_FLG_TERM_EXCHG       BIT_0
 628         uint8_t  vp_index;
 629         uint8_t  reserved_3:4;
 630         uint8_t  sof_type:4;
 631         uint32_t exchange_address;
 632         struct fcp_hdr_le fcp_hdr_le;
 633         union {
 634                 struct ba_acc_le ba_acct;
 635                 struct ba_rjt_le ba_rjt;
 636         } __packed payload;
 637         uint32_t reserved_4;
 638         uint32_t exchange_addr_to_abort;
 639 } __packed;
 640
 641 /*
 642  * ISP queue -  ABTS Response IOCB from ISP24xx Firmware entry structure.
 643  *              The ABTS response with completion status to the ABTS response
 644  *              (sent by the target driver to the ISP 24xx) is sent by the
 645  *              ISP24xx firmware to the target driver.
 646  *              The IOCB is placed on the response queue.
 647  */
 648 struct abts_resp_from_24xx_fw {
 649         uint8_t  entry_type;                /* Entry type. */
 650         uint8_t  entry_count;               /* Entry count. */
 651         uint8_t  sys_define;                /* System defined. */
 652         uint8_t  entry_status;              /* Entry Status. */
 653         uint32_t handle;
 654         uint16_t compl_status;
 655 #define ABTS_RESP_COMPL_SUCCESS         0
 656 #define ABTS_RESP_COMPL_SUBCODE_ERROR   0x31
 657         uint16_t nport_handle;
 658         uint16_t reserved_1;
 659         uint8_t  reserved_2;
 660         uint8_t  reserved_3:4;
 661         uint8_t  sof_type:4;
 662         uint32_t exchange_address;
 663         struct fcp_hdr_le fcp_hdr_le;
 664         uint8_t reserved_4[8];
 665         uint32_t error_subcode1;
 666 #define ABTS_RESP_SUBCODE_ERR_ABORTED_EXCH_NOT_TERM     0x1E
 667         uint32_t error_subcode2;
 668         uint32_t exchange_addr_to_abort;
 669 } __packed;
 670
 671 /********************************************************************\
 672  * Type Definitions used by initiator & target halves
 673 \********************************************************************/
 674
 675 struct qla_tgt_mgmt_cmd;
 676 struct fc_port;
 677 struct qla_tgt_cmd;
 678
 679 /*
 680  * This structure provides a template of function calls that the
 681  * target driver (from within qla_target.c) can issue to the
 682  * target module (tcm_qla2xxx).
 683  */
 684 struct qla_tgt_func_tmpl {
 685         struct qla_tgt_cmd *(*find_cmd_by_tag)(struct fc_port *, uint64_t);
 686         int (*handle_cmd)(struct scsi_qla_host *, struct qla_tgt_cmd *,
 687                         unsigned char *, uint32_t, int, int, int);
 688         void (*handle_data)(struct qla_tgt_cmd *);
 689         int (*handle_tmr)(struct qla_tgt_mgmt_cmd *, u64, uint16_t,
 690                         uint32_t);
 691         void (*free_cmd)(struct qla_tgt_cmd *);
 692         void (*free_mcmd)(struct qla_tgt_mgmt_cmd *);
 693         void (*free_session)(struct fc_port *);
 694
 695         int (*check_initiator_node_acl)(struct scsi_qla_host *, unsigned char *,
 696                                         struct fc_port *);
 697         void (*update_sess)(struct fc_port *, port_id_t, uint16_t, bool);
 698         struct fc_port *(*find_sess_by_loop_id)(struct scsi_qla_host *,
 699                                                 const uint16_t);
 700         struct fc_port *(*find_sess_by_s_id)(struct scsi_qla_host *,
 701                                                 const uint8_t *);
 702         void (*clear_nacl_from_fcport_map)(struct fc_port *);
 703         void (*put_sess)(struct fc_port *);
 704         void (*shutdown_sess)(struct fc_port *);
 705         int (*get_dif_tags)(struct qla_tgt_cmd *cmd, uint16_t *pfw_prot_opts);
 706         int (*chk_dif_tags)(uint32_t tag);
 707         void (*add_target)(struct scsi_qla_host *);
 708         void (*remove_target)(struct scsi_qla_host *);
 709 };
 710
 711 int qla2x00_wait_for_hba_online(struct scsi_qla_host *);
 712
 713 #include <target/target_core_base.h>
 714
 715 #define QLA_TGT_TIMEOUT                 10      /* in seconds */
 716
 717 #define QLA_TGT_MAX_HW_PENDING_TIME     60 /* in seconds */
 718
 719 /* Immediate notify status constants */
 720 #define IMM_NTFY_LIP_RESET          0x000E
 721 #define IMM_NTFY_LIP_LINK_REINIT    0x000F
 722 #define IMM_NTFY_IOCB_OVERFLOW      0x0016
 723 #define IMM_NTFY_ABORT_TASK         0x0020
 724 #define IMM_NTFY_PORT_LOGOUT        0x0029
 725 #define IMM_NTFY_PORT_CONFIG        0x002A
 726 #define IMM_NTFY_GLBL_TPRLO         0x002D
 727 #define IMM_NTFY_GLBL_LOGO          0x002E
 728 #define IMM_NTFY_RESOURCE           0x0034
 729 #define IMM_NTFY_MSG_RX             0x0036
 730 #define IMM_NTFY_SRR                0x0045
 731 #define IMM_NTFY_ELS                0x0046
 732
 733 /* Immediate notify task flags */
 734 #define IMM_NTFY_TASK_MGMT_SHIFT    8
 735
 736 #define QLA_TGT_CLEAR_ACA               0x40
 737 #define QLA_TGT_TARGET_RESET            0x20
 738 #define QLA_TGT_LUN_RESET               0x10
 739 #define QLA_TGT_CLEAR_TS                0x04
 740 #define QLA_TGT_ABORT_TS                0x02
 741 #define QLA_TGT_ABORT_ALL_SESS          0xFFFF
 742 #define QLA_TGT_ABORT_ALL               0xFFFE
 743 #define QLA_TGT_NEXUS_LOSS_SESS         0xFFFD
 744 #define QLA_TGT_NEXUS_LOSS              0xFFFC
 745 #define QLA_TGT_ABTS                    0xFFFB
 746 #define QLA_TGT_2G_ABORT_TASK           0xFFFA
 747
 748 /* Notify Acknowledge flags */
 749 #define NOTIFY_ACK_RES_COUNT        BIT_8
 750 #define NOTIFY_ACK_CLEAR_LIP_RESET  BIT_5
 751 #define NOTIFY_ACK_TM_RESP_CODE_VALID BIT_4
 752
 753 /* Command's states */
 754 #define QLA_TGT_STATE_NEW               0 /* New command + target processing */
 755 #define QLA_TGT_STATE_NEED_DATA         1 /* target needs data to continue */
 756 #define QLA_TGT_STATE_DATA_IN           2 /* Data arrived + target processing */
 757 #define QLA_TGT_STATE_PROCESSED         3 /* target done processing */
 758
 759 /* ATIO task_codes field */
 760 #define ATIO_SIMPLE_QUEUE           0
 761 #define ATIO_HEAD_OF_QUEUE          1
 762 #define ATIO_ORDERED_QUEUE          2
 763 #define ATIO_ACA_QUEUE              4
 764 #define ATIO_UNTAGGED               5
 765
 766 /* TM failed response codes, see FCP (9.4.11 FCP_RSP_INFO) */
 767 #define FC_TM_SUCCESS               0
 768 #define FC_TM_BAD_FCP_DATA          1
 769 #define FC_TM_BAD_CMD               2
 770 #define FC_TM_FCP_DATA_MISMATCH     3
 771 #define FC_TM_REJECT                4
 772 #define FC_TM_FAILED                5
 773
 774 #if (BITS_PER_LONG > 32) || defined(CONFIG_HIGHMEM64G)
 775 #define pci_dma_lo32(a) (a & 0xffffffff)
 776 #define pci_dma_hi32(a) ((((a) >> 16)>>16) & 0xffffffff)
 777 #else
 778 #define pci_dma_lo32(a) (a & 0xffffffff)
 779 #define pci_dma_hi32(a) 0
 780 #endif
 781
 782 #define QLA_TGT_SENSE_VALID(sense)  ((sense != NULL) && \
 783                                 (((const uint8_t *)(sense))[0] & 0x70) == 0x70)
 784
 785 struct qla_port_24xx_data {
 786         uint8_t port_name[WWN_SIZE];
 787         uint16_t loop_id;
 788         uint16_t reserved;
 789 };
 790
 791 struct qla_qpair_hint {
 792         struct list_head hint_elem;
 793         struct qla_qpair *qpair;
 794         u16 cpuid;
 795         uint8_t cmd_cnt;
 796 };
 797
 798 struct qla_tgt {
 799         struct scsi_qla_host *vha;
 800         struct qla_hw_data *ha;
 801         struct btree_head64 lun_qpair_map;
 802         struct qla_qpair_hint *qphints;
 803         /*
 804          * To sync between IRQ handlers and qlt_target_release(). Needed,
 805          * because req_pkt() can drop/reaquire HW lock inside. Protected by
 806          * HW lock.
 807          */
 808         int atio_irq_cmd_count;
 809
 810         int sg_tablesize;
 811
 812         /* Target's flags, serialized by pha->hardware_lock */
 813         unsigned int link_reinit_iocb_pending:1;
 814
 815         /*
 816          * Protected by tgt_mutex AND hardware_lock for writing and tgt_mutex
 817          * OR hardware_lock for reading.
 818          */
 819         int tgt_stop; /* the target mode driver is being stopped */
 820         int tgt_stopped; /* the target mode driver has been stopped */
 821
 822         /* Count of sessions refering qla_tgt. Protected by hardware_lock. */
 823         int sess_count;
 824
 825         /* Protected by hardware_lock */
 826         struct list_head del_sess_list;
 827
 828         spinlock_t sess_work_lock;
 829         struct list_head sess_works_list;
 830         struct work_struct sess_work;
 831
 832         struct imm_ntfy_from_isp link_reinit_iocb;
 833         wait_queue_head_t waitQ;
 834         int notify_ack_expected;
 835         int abts_resp_expected;
 836         int modify_lun_expected;
 837         atomic_t tgt_global_resets_count;
 838         struct list_head tgt_list_entry;
 839 };
 840
 841 struct qla_tgt_sess_op {
 842         struct scsi_qla_host *vha;
 843         uint32_t chip_reset;
 844         struct atio_from_isp atio;
 845         struct work_struct work;
 846         struct list_head cmd_list;
 847         bool aborted;
 848         struct rsp_que *rsp;
 849 };
 850
 851 enum trace_flags {
 852         TRC_NEW_CMD = BIT_0,
 853         TRC_DO_WORK = BIT_1,
 854         TRC_DO_WORK_ERR = BIT_2,
 855         TRC_XFR_RDY = BIT_3,
 856         TRC_XMIT_DATA = BIT_4,
 857         TRC_XMIT_STATUS = BIT_5,
 858         TRC_SRR_RSP =  BIT_6,
 859         TRC_SRR_XRDY = BIT_7,
 860         TRC_SRR_TERM = BIT_8,
 861         TRC_SRR_CTIO = BIT_9,
 862         TRC_FLUSH = BIT_10,
 863         TRC_CTIO_ERR = BIT_11,
 864         TRC_CTIO_DONE = BIT_12,
 865         TRC_CTIO_ABORTED =  BIT_13,
 866         TRC_CTIO_STRANGE= BIT_14,
 867         TRC_CMD_DONE = BIT_15,
 868         TRC_CMD_CHK_STOP = BIT_16,
 869         TRC_CMD_FREE = BIT_17,
 870         TRC_DATA_IN = BIT_18,
 871         TRC_ABORT = BIT_19,
 872         TRC_DIF_ERR = BIT_20,
 873 };
 874
 875 struct qla_tgt_cmd {
 876         /*
 877          * Do not move cmd_type field. it needs to line up with srb->cmd_type
 878          */
 879         uint8_t cmd_type;
 880         uint8_t pad[7];
 881         struct se_cmd se_cmd;
 882         struct fc_port *sess;
 883         struct qla_qpair *qpair;
 884         uint32_t reset_count;
 885         int state;
 886         struct work_struct work;
 887         /* Sense buffer that will be mapped into outgoing status */
 888         unsigned char sense_buffer[TRANSPORT_SENSE_BUFFER];
 889
 890         spinlock_t cmd_lock;
 891         /* to save extra sess dereferences */
 892         unsigned int conf_compl_supported:1;
 893         unsigned int sg_mapped:1;
 894         unsigned int free_sg:1;
 895         unsigned int write_data_transferred:1;
 896         unsigned int q_full:1;
 897         unsigned int term_exchg:1;
 898         unsigned int cmd_sent_to_fw:1;
 899         unsigned int cmd_in_wq:1;
 900         unsigned int aborted:1;
 901         unsigned int data_work:1;
 902         unsigned int data_work_free:1;
 903
 904         struct scatterlist *sg; /* cmd data buffer SG vector */
 905         int sg_cnt;             /* SG segments count */
 906         int bufflen;            /* cmd buffer length */
 907         int offset;
 908         u64 unpacked_lun;
 909         enum dma_data_direction dma_data_direction;
 910
 911         uint16_t vp_idx;
 912         uint16_t loop_id;       /* to save extra sess dereferences */
 913         struct qla_tgt *tgt;    /* to save extra sess dereferences */
 914         struct scsi_qla_host *vha;
 915         struct list_head cmd_list;
 916
 917         struct atio_from_isp atio;
 918
 919         uint8_t ctx_dsd_alloced;
 920
 921         /* T10-DIF */
 922 #define DIF_ERR_NONE 0
 923 #define DIF_ERR_GRD 1
 924 #define DIF_ERR_REF 2
 925 #define DIF_ERR_APP 3
 926         int8_t dif_err_code;
 927         struct scatterlist *prot_sg;
 928         uint32_t prot_sg_cnt;
 929         uint32_t blk_sz, num_blks;
 930         uint8_t scsi_status, sense_key, asc, ascq;
 931
 932         struct crc_context *ctx;
 933         uint8_t         *cdb;
 934         uint64_t        lba;
 935         uint16_t        a_guard, e_guard, a_app_tag, e_app_tag;
 936         uint32_t        a_ref_tag, e_ref_tag;
 937
 938         uint64_t jiffies_at_alloc;
 939         uint64_t jiffies_at_free;
 940
 941         enum trace_flags trc_flags;
 942 };
 943
 944 struct qla_tgt_sess_work_param {
 945         struct list_head sess_works_list_entry;
 946
 947 #define QLA_TGT_SESS_WORK_ABORT 1
 948 #define QLA_TGT_SESS_WORK_TM    2
 949         int type;
 950
 951         union {
 952                 struct abts_recv_from_24xx abts;
 953                 struct imm_ntfy_from_isp tm_iocb;
 954                 struct atio_from_isp tm_iocb2;
 955         };
 956 };
 957
 958 struct qla_tgt_mgmt_cmd {
 959         uint16_t tmr_func;
 960         uint8_t fc_tm_rsp;
 961         struct fc_port *sess;
 962         struct qla_qpair *qpair;
 963         struct scsi_qla_host *vha;
 964         struct se_cmd se_cmd;
 965         struct work_struct free_work;
 966         unsigned int flags;
 967         uint32_t reset_count;
 968 #define QLA24XX_MGMT_SEND_NACK  1
 969         struct work_struct work;
 970         uint64_t unpacked_lun;
 971         union {
 972                 struct atio_from_isp atio;
 973                 struct imm_ntfy_from_isp imm_ntfy;
 974                 struct abts_recv_from_24xx abts;
 975         } __packed orig_iocb;
 976 };
 977
 978 struct qla_tgt_prm {
 979         struct qla_tgt_cmd *cmd;
 980         struct qla_tgt *tgt;
 981         void *pkt;
 982         struct scatterlist *sg; /* cmd data buffer SG vector */
 983         unsigned char *sense_buffer;
 984         int seg_cnt;
 985         int req_cnt;
 986         uint16_t rq_result;
 987         int sense_buffer_len;
 988         int residual;
 989         int add_status_pkt;
 990         /* dif */
 991         struct scatterlist *prot_sg;
 992         uint16_t prot_seg_cnt;
 993         uint16_t tot_dsds;
 994 };
 995
 996 /* Check for Switch reserved address */
 997 #define IS_SW_RESV_ADDR(_s_id) \
 998         ((_s_id.b.domain == 0xff) && ((_s_id.b.area & 0xf0) == 0xf0))
 999
1000 #define QLA_TGT_XMIT_DATA               1
1001 #define QLA_TGT_XMIT_STATUS             2
1002 #define QLA_TGT_XMIT_ALL                (QLA_TGT_XMIT_STATUS|QLA_TGT_XMIT_DATA)
1003
1004
1005 extern struct qla_tgt_data qla_target;
1006
1007 /*
1008  * Function prototypes for qla_target.c logic used by qla2xxx LLD code.
1009  */
1010 extern int qlt_add_target(struct qla_hw_data *, struct scsi_qla_host *);
1011 extern int qlt_remove_target(struct qla_hw_data *, struct scsi_qla_host *);
1012 extern int qlt_lport_register(void *, u64, u64, u64,
1013                         int (*callback)(struct scsi_qla_host *, void *, u64, u64));
1014 extern void qlt_lport_deregister(struct scsi_qla_host *);
1015 extern void qlt_unreg_sess(struct fc_port *);
1016 extern void qlt_fc_port_added(struct scsi_qla_host *, fc_port_t *);
1017 extern void qlt_fc_port_deleted(struct scsi_qla_host *, fc_port_t *, int);
1018 extern int __init qlt_init(void);
1019 extern void qlt_exit(void);
1020 extern void qlt_update_vp_map(struct scsi_qla_host *, int);
1021 extern void qlt_free_session_done(struct work_struct *);
1022 /*
1023  * This macro is used during early initializations when host->active_mode
1024  * is not set. Right now, ha value is ignored.
1025  */
1026 #define QLA_TGT_MODE_ENABLED() (ql2x_ini_mode != QLA2XXX_INI_MODE_ENABLED)
1027
1028 extern int ql2x_ini_mode;
1029
1030 static inline bool qla_tgt_mode_enabled(struct scsi_qla_host *ha)
1031 {
1032         return ha->host->active_mode == MODE_TARGET;
1033 }
1034
1035 static inline bool qla_ini_mode_enabled(struct scsi_qla_host *ha)
1036 {
1037         return ha->host->active_mode == MODE_INITIATOR;
1038 }
1039
1040 static inline bool qla_dual_mode_enabled(struct scsi_qla_host *ha)
1041 {
1042         return (ha->host->active_mode == MODE_DUAL);
1043 }
1044
1045 static inline uint32_t sid_to_key(const uint8_t *s_id)
1046 {
1047         uint32_t key;
1048
1049         key = (((unsigned long)s_id[0] << 16) |
1050                ((unsigned long)s_id[1] << 8) |
1051                (unsigned long)s_id[2]);
1052         return key;
1053 }
1054
1055 static inline void sid_to_portid(const uint8_t *s_id, port_id_t *p)
1056 {
1057         memset(p, 0, sizeof(*p));
1058         p->b.domain = s_id[0];
1059         p->b.area = s_id[1];
1060         p->b.al_pa = s_id[2];
1061 }
1062
1063 /*
1064  * Exported symbols from qla_target.c LLD logic used by qla2xxx code..
1065  */
1066 extern void qlt_response_pkt_all_vps(struct scsi_qla_host *, struct rsp_que *,
1067         response_t *);
1068 extern int qlt_rdy_to_xfer(struct qla_tgt_cmd *);
1069 extern int qlt_xmit_response(struct qla_tgt_cmd *, int, uint8_t);
1070 extern int qlt_abort_cmd(struct qla_tgt_cmd *);
1071 extern void qlt_xmit_tm_rsp(struct qla_tgt_mgmt_cmd *);
1072 extern void qlt_free_mcmd(struct qla_tgt_mgmt_cmd *);
1073 extern void qlt_free_cmd(struct qla_tgt_cmd *cmd);
1074 extern void qlt_async_event(uint16_t, struct scsi_qla_host *, uint16_t *);
1075 extern void qlt_enable_vha(struct scsi_qla_host *);
1076 extern void qlt_vport_create(struct scsi_qla_host *, struct qla_hw_data *);
1077 extern u8 qlt_rff_id(struct scsi_qla_host *);
1078 extern void qlt_init_atio_q_entries(struct scsi_qla_host *);
1079 extern void qlt_24xx_process_atio_queue(struct scsi_qla_host *, uint8_t);
1080 extern void qlt_24xx_config_rings(struct scsi_qla_host *);
1081 extern void qlt_24xx_config_nvram_stage1(struct scsi_qla_host *,
1082         struct nvram_24xx *);
1083 extern void qlt_24xx_config_nvram_stage2(struct scsi_qla_host *,
1084         struct init_cb_24xx *);
1085 extern void qlt_81xx_config_nvram_stage2(struct scsi_qla_host *,
1086         struct init_cb_81xx *);
1087 extern void qlt_81xx_config_nvram_stage1(struct scsi_qla_host *,
1088         struct nvram_81xx *);
1089 extern int qlt_24xx_process_response_error(struct scsi_qla_host *,
1090         struct sts_entry_24xx *);
1091 extern void qlt_modify_vp_config(struct scsi_qla_host *,
1092         struct vp_config_entry_24xx *);
1093 extern void qlt_probe_one_stage1(struct scsi_qla_host *, struct qla_hw_data *);
1094 extern int qlt_mem_alloc(struct qla_hw_data *);
1095 extern void qlt_mem_free(struct qla_hw_data *);
1096 extern int qlt_stop_phase1(struct qla_tgt *);
1097 extern void qlt_stop_phase2(struct qla_tgt *);
1098 extern irqreturn_t qla83xx_msix_atio_q(int, void *);
1099 extern void qlt_83xx_iospace_config(struct qla_hw_data *);
1100 extern int qlt_free_qfull_cmds(struct qla_qpair *);
1101 extern void qlt_logo_completion_handler(fc_port_t *, int);
1102 extern void qlt_do_generation_tick(struct scsi_qla_host *, int *);
1103
1104 void qlt_send_resp_ctio(struct qla_qpair *, struct qla_tgt_cmd *, uint8_t,
1105     uint8_t, uint8_t, uint8_t);
1106 extern void qlt_abort_cmd_on_host_reset(struct scsi_qla_host *,
1107     struct qla_tgt_cmd *);
1108
1109 #endif /* __QLA_TARGET_H */