drivers/scsi/qla2xxx/qla_target.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  *  Copyright (C) 2004 - 2010 Vladislav Bolkhovitin <vst@vlnb.net>
   4  *  Copyright (C) 2004 - 2005 Leonid Stoljar
   5  *  Copyright (C) 2006 Nathaniel Clark <nate@misrule.us>
   6  *  Copyright (C) 2007 - 2010 ID7 Ltd.
   7  *
   8  *  Forward port and refactoring to modern qla2xxx and target/configfs
   9  *
  10  *  Copyright (C) 2010-2011 Nicholas A. Bellinger <nab@kernel.org>
  11  *
  12  *  Additional file for the target driver support.
  13  */
  14 /*
  15  * This is the global def file that is useful for including from the
  16  * target portion.
  17  */
  18
  19 #ifndef __QLA_TARGET_H
  20 #define __QLA_TARGET_H
  21
  22 #include "qla_def.h"
  23 #include "qla_dsd.h"
  24
  25 /*
  26  * Must be changed on any change in any initiator visible interfaces or
  27  * data in the target add-on
  28  */
  29 #define QLA2XXX_TARGET_MAGIC    269
  30
  31 /*
  32  * Must be changed on any change in any target visible interfaces or
  33  * data in the initiator
  34  */
  35 #define QLA2XXX_INITIATOR_MAGIC   57222
  36
  37 #define QLA2XXX_INI_MODE_STR_EXCLUSIVE  "exclusive"
  38 #define QLA2XXX_INI_MODE_STR_DISABLED   "disabled"
  39 #define QLA2XXX_INI_MODE_STR_ENABLED    "enabled"
  40 #define QLA2XXX_INI_MODE_STR_DUAL               "dual"
  41
  42 #define QLA2XXX_INI_MODE_EXCLUSIVE      0
  43 #define QLA2XXX_INI_MODE_DISABLED       1
  44 #define QLA2XXX_INI_MODE_ENABLED        2
  45 #define QLA2XXX_INI_MODE_DUAL   3
  46
  47 #define QLA2XXX_COMMAND_COUNT_INIT      250
  48 #define QLA2XXX_IMMED_NOTIFY_COUNT_INIT 250
  49
  50 /*
  51  * Used to mark which completion handles (for RIO Status's) are for CTIO's
  52  * vs. regular (non-target) info. This is checked for in
  53  * qla2x00_process_response_queue() to see if a handle coming back in a
  54  * multi-complete should come to the tgt driver or be handled there by qla2xxx
  55  */
  56 #define CTIO_COMPLETION_HANDLE_MARK     BIT_29
  57 #if (CTIO_COMPLETION_HANDLE_MARK <= DEFAULT_OUTSTANDING_COMMANDS)
  58 #error "CTIO_COMPLETION_HANDLE_MARK not larger than "
  59         "DEFAULT_OUTSTANDING_COMMANDS"
  60 #endif
  61 #define HANDLE_IS_CTIO_COMP(h) (h & CTIO_COMPLETION_HANDLE_MARK)
  62
  63 /* Used to mark CTIO as intermediate */
  64 #define CTIO_INTERMEDIATE_HANDLE_MARK   BIT_30
  65 #define QLA_TGT_NULL_HANDLE     0
  66
  67 #define QLA_TGT_HANDLE_MASK  0xF0000000
  68 #define QLA_QPID_HANDLE_MASK 0x00FF0000 /* qpair id mask */
  69 #define QLA_CMD_HANDLE_MASK  0x0000FFFF
  70 #define QLA_TGT_SKIP_HANDLE     (0xFFFFFFFF & ~QLA_TGT_HANDLE_MASK)
  71
  72 #define QLA_QPID_HANDLE_SHIFT 16
  73 #define GET_QID(_h) ((_h & QLA_QPID_HANDLE_MASK) >> QLA_QPID_HANDLE_SHIFT)
  74
  75
  76 #ifndef OF_SS_MODE_0
  77 /*
  78  * ISP target entries - Flags bit definitions.
  79  */
  80 #define OF_SS_MODE_0        0
  81 #define OF_SS_MODE_1        1
  82 #define OF_SS_MODE_2        2
  83 #define OF_SS_MODE_3        3
  84
  85 #define OF_EXPL_CONF        BIT_5       /* Explicit Confirmation Requested */
  86 #define OF_DATA_IN          BIT_6       /* Data in to initiator */
  87                                         /*  (data from target to initiator) */
  88 #define OF_DATA_OUT         BIT_7       /* Data out from initiator */
  89                                         /*  (data from initiator to target) */
  90 #define OF_NO_DATA          (BIT_7 | BIT_6)
  91 #define OF_INC_RC           BIT_8       /* Increment command resource count */
  92 #define OF_FAST_POST        BIT_9       /* Enable mailbox fast posting. */
  93 #define OF_CONF_REQ         BIT_13      /* Confirmation Requested */
  94 #define OF_TERM_EXCH        BIT_14      /* Terminate exchange */
  95 #define OF_SSTS             BIT_15      /* Send SCSI status */
  96 #endif
  97
  98 #ifndef QLA_TGT_DATASEGS_PER_CMD32
  99 #define QLA_TGT_DATASEGS_PER_CMD32      3
 100 #define QLA_TGT_DATASEGS_PER_CONT32     7
 101 #define QLA_TGT_MAX_SG32(ql) \
 102         (((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD32 + \
 103                 QLA_TGT_DATASEGS_PER_CONT32*((ql) - 1)) : 0)
 104
 105 #define QLA_TGT_DATASEGS_PER_CMD64      2
 106 #define QLA_TGT_DATASEGS_PER_CONT64     5
 107 #define QLA_TGT_MAX_SG64(ql) \
 108         (((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD64 + \
 109                 QLA_TGT_DATASEGS_PER_CONT64*((ql) - 1)) : 0)
 110 #endif
 111
 112 #ifndef QLA_TGT_DATASEGS_PER_CMD_24XX
 113 #define QLA_TGT_DATASEGS_PER_CMD_24XX   1
 114 #define QLA_TGT_DATASEGS_PER_CONT_24XX  5
 115 #define QLA_TGT_MAX_SG_24XX(ql) \
 116         (min(1270, ((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD_24XX + \
 117                 QLA_TGT_DATASEGS_PER_CONT_24XX*((ql) - 1)) : 0))
 118 #endif
 119
 120 #define GET_TARGET_ID(ha, iocb) ((HAS_EXTENDED_IDS(ha))                 \
 121                          ? le16_to_cpu((iocb)->u.isp2x.target.extended) \
 122                          : (uint16_t)(iocb)->u.isp2x.target.id.standard)
 123
 124 #ifndef NOTIFY_ACK_TYPE
 125 #define NOTIFY_ACK_TYPE 0x0E      /* Notify acknowledge entry. */
 126 /*
 127  * ISP queue -  notify acknowledge entry structure definition.
 128  *              This is sent to the ISP from the target driver.
 129  */
 130 struct nack_to_isp {
 131         uint8_t  entry_type;                /* Entry type. */
 132         uint8_t  entry_count;               /* Entry count. */
 133         uint8_t  sys_define;                /* System defined. */
 134         uint8_t  entry_status;              /* Entry Status. */
 135         union {
 136                 struct {
 137                         __le32  sys_define_2; /* System defined. */
 138                         target_id_t target;
 139                         uint8_t  target_id;
 140                         uint8_t  reserved_1;
 141                         __le16  flags;
 142                         __le16  resp_code;
 143                         __le16  status;
 144                         __le16  task_flags;
 145                         __le16  seq_id;
 146                         __le16  srr_rx_id;
 147                         __le32  srr_rel_offs;
 148                         __le16  srr_ui;
 149                         __le16  srr_flags;
 150                         __le16  srr_reject_code;
 151                         uint8_t  srr_reject_vendor_uniq;
 152                         uint8_t  srr_reject_code_expl;
 153                         uint8_t  reserved_2[24];
 154                 } isp2x;
 155                 struct {
 156                         uint32_t handle;
 157                         __le16  nport_handle;
 158                         uint16_t reserved_1;
 159                         __le16  flags;
 160                         __le16  srr_rx_id;
 161                         __le16  status;
 162                         uint8_t  status_subcode;
 163                         uint8_t  fw_handle;
 164                         __le32  exchange_address;
 165                         __le32  srr_rel_offs;
 166                         __le16  srr_ui;
 167                         __le16  srr_flags;
 168                         uint8_t  reserved_4[19];
 169                         uint8_t  vp_index;
 170                         uint8_t  srr_reject_vendor_uniq;
 171                         uint8_t  srr_reject_code_expl;
 172                         uint8_t  srr_reject_code;
 173                         uint8_t  reserved_5[5];
 174                 } isp24;
 175         } u;
 176         uint8_t  reserved[2];
 177         __le16  ox_id;
 178 } __packed;
 179 #define NOTIFY_ACK_FLAGS_FCSP           BIT_5
 180 #define NOTIFY_ACK_FLAGS_TERMINATE      BIT_3
 181 #define NOTIFY_ACK_SRR_FLAGS_ACCEPT     0
 182 #define NOTIFY_ACK_SRR_FLAGS_REJECT     1
 183
 184 #define NOTIFY_ACK_SRR_REJECT_REASON_UNABLE_TO_PERFORM  0x9
 185
 186 #define NOTIFY_ACK_SRR_FLAGS_REJECT_EXPL_NO_EXPL                0
 187 #define NOTIFY_ACK_SRR_FLAGS_REJECT_EXPL_UNABLE_TO_SUPPLY_DATA  0x2a
 188
 189 #define NOTIFY_ACK_SUCCESS      0x01
 190 #endif
 191
 192 #ifndef ACCEPT_TGT_IO_TYPE
 193 #define ACCEPT_TGT_IO_TYPE 0x16 /* Accept target I/O entry. */
 194 #endif
 195
 196 #ifndef CONTINUE_TGT_IO_TYPE
 197 #define CONTINUE_TGT_IO_TYPE 0x17
 198 /*
 199  * ISP queue -  Continue Target I/O (CTIO) entry for status mode 0 structure.
 200  *              This structure is sent to the ISP 2xxx from target driver.
 201  */
 202 struct ctio_to_2xxx {
 203         uint8_t  entry_type;            /* Entry type. */
 204         uint8_t  entry_count;           /* Entry count. */
 205         uint8_t  sys_define;            /* System defined. */
 206         uint8_t  entry_status;          /* Entry Status. */
 207         uint32_t handle;                /* System defined handle */
 208         target_id_t target;
 209         __le16  rx_id;
 210         __le16  flags;
 211         __le16  status;
 212         __le16  timeout;                /* 0 = 30 seconds, 0xFFFF = disable */
 213         __le16  dseg_count;             /* Data segment count. */
 214         __le32  relative_offset;
 215         __le32  residual;
 216         __le16  reserved_1[3];
 217         __le16  scsi_status;
 218         __le32  transfer_length;
 219         struct dsd32 dsd[3];
 220 } __packed;
 221 #define ATIO_PATH_INVALID       0x07
 222 #define ATIO_CANT_PROV_CAP      0x16
 223 #define ATIO_CDB_VALID          0x3D
 224
 225 #define ATIO_EXEC_READ          BIT_1
 226 #define ATIO_EXEC_WRITE         BIT_0
 227 #endif
 228
 229 #ifndef CTIO_A64_TYPE
 230 #define CTIO_A64_TYPE 0x1F
 231 #define CTIO_SUCCESS                    0x01
 232 #define CTIO_ABORTED                    0x02
 233 #define CTIO_INVALID_RX_ID              0x08
 234 #define CTIO_TIMEOUT                    0x0B
 235 #define CTIO_DIF_ERROR                  0x0C     /* DIF error detected  */
 236 #define CTIO_LIP_RESET                  0x0E
 237 #define CTIO_TARGET_RESET               0x17
 238 #define CTIO_PORT_UNAVAILABLE           0x28
 239 #define CTIO_PORT_LOGGED_OUT            0x29
 240 #define CTIO_PORT_CONF_CHANGED          0x2A
 241 #define CTIO_SRR_RECEIVED               0x45
 242 #define CTIO_FAST_AUTH_ERR              0x63
 243 #define CTIO_FAST_INCOMP_PAD_LEN        0x65
 244 #define CTIO_FAST_INVALID_REQ           0x66
 245 #define CTIO_FAST_SPI_ERR               0x67
 246 #endif
 247
 248 #ifndef CTIO_RET_TYPE
 249 #define CTIO_RET_TYPE   0x17            /* CTIO return entry */
 250 #define ATIO_TYPE7 0x06 /* Accept target I/O entry for 24xx */
 251 #endif
 252
 253 struct fcp_hdr {
 254         uint8_t  r_ctl;
 255         be_id_t  d_id;
 256         uint8_t  cs_ctl;
 257         be_id_t  s_id;
 258         uint8_t  type;
 259         uint8_t  f_ctl[3];
 260         uint8_t  seq_id;
 261         uint8_t  df_ctl;
 262         uint16_t seq_cnt;
 263         __be16   ox_id;
 264         uint16_t rx_id;
 265         __le32  parameter;
 266 };
 267
 268 struct fcp_hdr_le {
 269         le_id_t  d_id;
 270         uint8_t  r_ctl;
 271         le_id_t  s_id;
 272         uint8_t  cs_ctl;
 273         uint8_t  f_ctl[3];
 274         uint8_t  type;
 275         __le16  seq_cnt;
 276         uint8_t  df_ctl;
 277         uint8_t  seq_id;
 278         __le16  rx_id;
 279         __le16  ox_id;
 280         __le32  parameter;
 281 };
 282
 283 #define F_CTL_EXCH_CONTEXT_RESP BIT_23
 284 #define F_CTL_SEQ_CONTEXT_RESIP BIT_22
 285 #define F_CTL_LAST_SEQ          BIT_20
 286 #define F_CTL_END_SEQ           BIT_19
 287 #define F_CTL_SEQ_INITIATIVE    BIT_16
 288
 289 #define R_CTL_BASIC_LINK_SERV   0x80
 290 #define R_CTL_B_ACC             0x4
 291 #define R_CTL_B_RJT             0x5
 292
 293 struct atio7_fcp_cmnd {
 294         uint64_t lun;
 295         uint8_t  cmnd_ref;
 296         uint8_t  task_attr:3;
 297         uint8_t  reserved:5;
 298         uint8_t  task_mgmt_flags;
 299 #define FCP_CMND_TASK_MGMT_CLEAR_ACA            6
 300 #define FCP_CMND_TASK_MGMT_TARGET_RESET         5
 301 #define FCP_CMND_TASK_MGMT_LU_RESET             4
 302 #define FCP_CMND_TASK_MGMT_CLEAR_TASK_SET       2
 303 #define FCP_CMND_TASK_MGMT_ABORT_TASK_SET       1
 304         uint8_t  wrdata:1;
 305         uint8_t  rddata:1;
 306         uint8_t  add_cdb_len:6;
 307         uint8_t  cdb[16];
 308         /*
 309          * add_cdb is optional and can absent from struct atio7_fcp_cmnd. Size 4
 310          * only to make sizeof(struct atio7_fcp_cmnd) be as expected by
 311          * BUILD_BUG_ON in qlt_init().
 312          */
 313         uint8_t  add_cdb[4];
 314         /* __le32       data_length; */
 315 } __packed;
 316
 317 /*
 318  * ISP queue -  Accept Target I/O (ATIO) type entry IOCB structure.
 319  *              This is sent from the ISP to the target driver.
 320  */
 321 struct atio_from_isp {
 322         union {
 323                 struct {
 324                         __le16  entry_hdr;
 325                         uint8_t  sys_define;   /* System defined. */
 326                         uint8_t  entry_status; /* Entry Status.   */
 327                         __le32  sys_define_2; /* System defined. */
 328                         target_id_t target;
 329                         __le16  rx_id;
 330                         __le16  flags;
 331                         __le16  status;
 332                         uint8_t  command_ref;
 333                         uint8_t  task_codes;
 334                         uint8_t  task_flags;
 335                         uint8_t  execution_codes;
 336                         uint8_t  cdb[MAX_CMDSZ];
 337                         __le32  data_length;
 338                         __le16  lun;
 339                         uint8_t  initiator_port_name[WWN_SIZE]; /* on qla23xx */
 340                         __le16  reserved_32[6];
 341                         __le16  ox_id;
 342                 } isp2x;
 343                 struct {
 344                         __le16  entry_hdr;
 345                         uint8_t  fcp_cmnd_len_low;
 346                         uint8_t  fcp_cmnd_len_high:4;
 347                         uint8_t  attr:4;
 348                         __le32  exchange_addr;
 349 #define ATIO_EXCHANGE_ADDRESS_UNKNOWN   0xFFFFFFFF
 350                         struct fcp_hdr fcp_hdr;
 351                         struct atio7_fcp_cmnd fcp_cmnd;
 352                 } isp24;
 353                 struct {
 354                         uint8_t  entry_type;    /* Entry type. */
 355                         uint8_t  entry_count;   /* Entry count. */
 356                         __le16   attr_n_length;
 357 #define FCP_CMD_LENGTH_MASK 0x0fff
 358 #define FCP_CMD_LENGTH_MIN  0x38
 359                         uint8_t  data[56];
 360                         __le32  signature;
 361 #define ATIO_PROCESSED 0xDEADDEAD               /* Signature */
 362                 } raw;
 363         } u;
 364 } __packed;
 365
 366 static inline int fcpcmd_is_corrupted(struct atio *atio)
 367 {
 368         if (atio->entry_type == ATIO_TYPE7 &&
 369             ((le16_to_cpu(atio->attr_n_length) & FCP_CMD_LENGTH_MASK) <
 370              FCP_CMD_LENGTH_MIN))
 371                 return 1;
 372         else
 373                 return 0;
 374 }
 375
 376 /* adjust corrupted atio so we won't trip over the same entry again. */
 377 static inline void adjust_corrupted_atio(struct atio_from_isp *atio)
 378 {
 379         atio->u.raw.attr_n_length = cpu_to_le16(FCP_CMD_LENGTH_MIN);
 380         atio->u.isp24.fcp_cmnd.add_cdb_len = 0;
 381 }
 382
 383 static inline int get_datalen_for_atio(struct atio_from_isp *atio)
 384 {
 385         int len = atio->u.isp24.fcp_cmnd.add_cdb_len;
 386
 387         return get_unaligned_be32(&atio->u.isp24.fcp_cmnd.add_cdb[len * 4]);
 388 }
 389
 390 #define CTIO_TYPE7 0x12 /* Continue target I/O entry (for 24xx) */
 391
 392 /*
 393  * ISP queue -  Continue Target I/O (ATIO) type 7 entry (for 24xx) structure.
 394  *              This structure is sent to the ISP 24xx from the target driver.
 395  */
 396
 397 struct ctio7_to_24xx {
 398         uint8_t  entry_type;                /* Entry type. */
 399         uint8_t  entry_count;               /* Entry count. */
 400         uint8_t  sys_define;                /* System defined. */
 401         uint8_t  entry_status;              /* Entry Status. */
 402         uint32_t handle;                    /* System defined handle */
 403         __le16  nport_handle;
 404 #define CTIO7_NHANDLE_UNRECOGNIZED      0xFFFF
 405         __le16  timeout;
 406         __le16  dseg_count;                 /* Data segment count. */
 407         uint8_t  vp_index;
 408         uint8_t  add_flags;
 409         le_id_t  initiator_id;
 410         uint8_t  reserved;
 411         __le32  exchange_addr;
 412         union {
 413                 struct {
 414                         __le16  reserved1;
 415                         __le16 flags;
 416                         union {
 417                                 __le32  residual;
 418                                 struct {
 419                                         uint8_t rsvd1;
 420                                         uint8_t edif_flags;
 421 #define EF_EN_EDIF      BIT_0
 422 #define EF_NEW_SA       BIT_1
 423                                         uint16_t rsvd2;
 424                                 };
 425                         };
 426                         __le16 ox_id;
 427                         __le16  scsi_status;
 428                         __le32  relative_offset;
 429                         __le32  reserved2;
 430                         __le32  transfer_length;
 431                         __le32  reserved3;
 432                         struct dsd64 dsd;
 433                 } status0;
 434                 struct {
 435                         __le16  sense_length;
 436                         __le16 flags;
 437                         __le32  residual;
 438                         __le16 ox_id;
 439                         __le16  scsi_status;
 440                         __le16  response_len;
 441                         __le16  reserved;
 442                         uint8_t sense_data[24];
 443                 } status1;
 444         } u;
 445 } __packed;
 446
 447 /*
 448  * ISP queue - CTIO type 7 from ISP 24xx to target driver
 449  * returned entry structure.
 450  */
 451 struct ctio7_from_24xx {
 452         uint8_t  entry_type;                /* Entry type. */
 453         uint8_t  entry_count;               /* Entry count. */
 454         uint8_t  sys_define;                /* System defined. */
 455         uint8_t  entry_status;              /* Entry Status. */
 456         uint32_t handle;                    /* System defined handle */
 457         __le16  status;
 458         __le16  timeout;
 459         __le16  dseg_count;                 /* Data segment count. */
 460         uint8_t  vp_index;
 461         uint8_t  reserved1[5];
 462         __le32  exchange_address;
 463         __le16  edif_sa_index;
 464         __le16  flags;
 465         __le32  residual;
 466         __le16  ox_id;
 467         __le16  reserved3;
 468         __le32  relative_offset;
 469         uint8_t  reserved4[24];
 470 } __packed;
 471
 472 /* CTIO7 flags values */
 473 #define CTIO7_FLAGS_SEND_STATUS         BIT_15
 474 #define CTIO7_FLAGS_TERMINATE           BIT_14
 475 #define CTIO7_FLAGS_CONFORM_REQ         BIT_13
 476 #define CTIO7_FLAGS_DONT_RET_CTIO       BIT_8
 477 #define CTIO7_FLAGS_STATUS_MODE_0       0
 478 #define CTIO7_FLAGS_STATUS_MODE_1       BIT_6
 479 #define CTIO7_FLAGS_STATUS_MODE_2       BIT_7
 480 #define CTIO7_FLAGS_EXPLICIT_CONFORM    BIT_5
 481 #define CTIO7_FLAGS_CONFIRM_SATISF      BIT_4
 482 #define CTIO7_FLAGS_DSD_PTR             BIT_2
 483 #define CTIO7_FLAGS_DATA_IN             BIT_1 /* data to initiator */
 484 #define CTIO7_FLAGS_DATA_OUT            BIT_0 /* data from initiator */
 485
 486 #define ELS_PLOGI                       0x3
 487 #define ELS_FLOGI                       0x4
 488 #define ELS_LOGO                        0x5
 489 #define ELS_PRLI                        0x20
 490 #define ELS_PRLO                        0x21
 491 #define ELS_TPRLO                       0x24
 492 #define ELS_PDISC                       0x50
 493 #define ELS_ADISC                       0x52
 494
 495 /*
 496  *CTIO Type CRC_2 IOCB
 497  */
 498 struct ctio_crc2_to_fw {
 499         uint8_t entry_type;             /* Entry type. */
 500 #define CTIO_CRC2 0x7A
 501         uint8_t entry_count;            /* Entry count. */
 502         uint8_t sys_define;             /* System defined. */
 503         uint8_t entry_status;           /* Entry Status. */
 504
 505         uint32_t handle;                /* System handle. */
 506         __le16  nport_handle;           /* N_PORT handle. */
 507         __le16 timeout;         /* Command timeout. */
 508
 509         __le16  dseg_count;             /* Data segment count. */
 510         uint8_t  vp_index;
 511         uint8_t  add_flags;             /* additional flags */
 512 #define CTIO_CRC2_AF_DIF_DSD_ENA BIT_3
 513
 514         le_id_t  initiator_id;          /* initiator ID */
 515         uint8_t  reserved1;
 516         __le32  exchange_addr;          /* rcv exchange address */
 517         __le16  reserved2;
 518         __le16 flags;                   /* refer to CTIO7 flags values */
 519         __le32  residual;
 520         __le16 ox_id;
 521         __le16  scsi_status;
 522         __le32 relative_offset;
 523         __le32  reserved5;
 524         __le32 transfer_length;         /* total fc transfer length */
 525         __le32  reserved6;
 526         __le64   crc_context_address __packed; /* Data segment address. */
 527         __le16  crc_context_len;        /* Data segment length. */
 528         __le16  reserved_1;             /* MUST be set to 0. */
 529 };
 530
 531 /* CTIO Type CRC_x Status IOCB */
 532 struct ctio_crc_from_fw {
 533         uint8_t entry_type;             /* Entry type. */
 534         uint8_t entry_count;            /* Entry count. */
 535         uint8_t sys_define;             /* System defined. */
 536         uint8_t entry_status;           /* Entry Status. */
 537
 538         uint32_t handle;                /* System handle. */
 539         __le16  status;
 540         __le16  timeout;                /* Command timeout. */
 541         __le16  dseg_count;             /* Data segment count. */
 542         __le32  reserved1;
 543         __le16  state_flags;
 544 #define CTIO_CRC_SF_DIF_CHOPPED BIT_4
 545
 546         __le32  exchange_address;       /* rcv exchange address */
 547         __le16  reserved2;
 548         __le16  flags;
 549         __le32  resid_xfer_length;
 550         __le16  ox_id;
 551         uint8_t  reserved3[12];
 552         __le16  runt_guard;             /* reported runt blk guard */
 553         uint8_t  actual_dif[8];
 554         uint8_t  expected_dif[8];
 555 } __packed;
 556
 557 /*
 558  * ISP queue - ABTS received/response entries structure definition for 24xx.
 559  */
 560 #define ABTS_RECV_24XX          0x54 /* ABTS received (for 24xx) */
 561 #define ABTS_RESP_24XX          0x55 /* ABTS responce (for 24xx) */
 562
 563 /*
 564  * ISP queue -  ABTS received IOCB entry structure definition for 24xx.
 565  *              The ABTS BLS received from the wire is sent to the
 566  *              target driver by the ISP 24xx.
 567  *              The IOCB is placed on the response queue.
 568  */
 569 struct abts_recv_from_24xx {
 570         uint8_t  entry_type;                /* Entry type. */
 571         uint8_t  entry_count;               /* Entry count. */
 572         uint8_t  sys_define;                /* System defined. */
 573         uint8_t  entry_status;              /* Entry Status. */
 574         uint8_t  reserved_1[6];
 575         __le16  nport_handle;
 576         uint8_t  reserved_2[2];
 577         uint8_t  vp_index;
 578         uint8_t  reserved_3:4;
 579         uint8_t  sof_type:4;
 580         __le32  exchange_address;
 581         struct fcp_hdr_le fcp_hdr_le;
 582         uint8_t  reserved_4[16];
 583         __le32  exchange_addr_to_abort;
 584 } __packed;
 585
 586 #define ABTS_PARAM_ABORT_SEQ            BIT_0
 587
 588 struct ba_acc_le {
 589         __le16  reserved;
 590         uint8_t  seq_id_last;
 591         uint8_t  seq_id_valid;
 592 #define SEQ_ID_VALID    0x80
 593 #define SEQ_ID_INVALID  0x00
 594         __le16  rx_id;
 595         __le16  ox_id;
 596         __le16  high_seq_cnt;
 597         __le16  low_seq_cnt;
 598 } __packed;
 599
 600 struct ba_rjt_le {
 601         uint8_t vendor_uniq;
 602         uint8_t reason_expl;
 603         uint8_t reason_code;
 604 #define BA_RJT_REASON_CODE_INVALID_COMMAND      0x1
 605 #define BA_RJT_REASON_CODE_UNABLE_TO_PERFORM    0x9
 606         uint8_t reserved;
 607 } __packed;
 608
 609 /*
 610  * ISP queue -  ABTS Response IOCB entry structure definition for 24xx.
 611  *              The ABTS response to the ABTS received is sent by the
 612  *              target driver to the ISP 24xx.
 613  *              The IOCB is placed on the request queue.
 614  */
 615 struct abts_resp_to_24xx {
 616         uint8_t  entry_type;                /* Entry type. */
 617         uint8_t  entry_count;               /* Entry count. */
 618         uint8_t  sys_define;                /* System defined. */
 619         uint8_t  entry_status;              /* Entry Status. */
 620         uint32_t handle;
 621         __le16  reserved_1;
 622         __le16  nport_handle;
 623         __le16  control_flags;
 624 #define ABTS_CONTR_FLG_TERM_EXCHG       BIT_0
 625         uint8_t  vp_index;
 626         uint8_t  reserved_3:4;
 627         uint8_t  sof_type:4;
 628         __le32  exchange_address;
 629         struct fcp_hdr_le fcp_hdr_le;
 630         union {
 631                 struct ba_acc_le ba_acct;
 632                 struct ba_rjt_le ba_rjt;
 633         } __packed payload;
 634         __le32  reserved_4;
 635         __le32  exchange_addr_to_abort;
 636 } __packed;
 637
 638 /*
 639  * ISP queue -  ABTS Response IOCB from ISP24xx Firmware entry structure.
 640  *              The ABTS response with completion status to the ABTS response
 641  *              (sent by the target driver to the ISP 24xx) is sent by the
 642  *              ISP24xx firmware to the target driver.
 643  *              The IOCB is placed on the response queue.
 644  */
 645 struct abts_resp_from_24xx_fw {
 646         uint8_t  entry_type;                /* Entry type. */
 647         uint8_t  entry_count;               /* Entry count. */
 648         uint8_t  sys_define;                /* System defined. */
 649         uint8_t  entry_status;              /* Entry Status. */
 650         uint32_t handle;
 651         __le16  compl_status;
 652 #define ABTS_RESP_COMPL_SUCCESS         0
 653 #define ABTS_RESP_COMPL_SUBCODE_ERROR   0x31
 654         __le16  nport_handle;
 655         __le16  reserved_1;
 656         uint8_t  reserved_2;
 657         uint8_t  reserved_3:4;
 658         uint8_t  sof_type:4;
 659         __le32  exchange_address;
 660         struct fcp_hdr_le fcp_hdr_le;
 661         uint8_t reserved_4[8];
 662         __le32  error_subcode1;
 663 #define ABTS_RESP_SUBCODE_ERR_ABORTED_EXCH_NOT_TERM     0x1E
 664         __le32  error_subcode2;
 665         __le32  exchange_addr_to_abort;
 666 } __packed;
 667
 668 /********************************************************************\
 669  * Type Definitions used by initiator & target halves
 670 \********************************************************************/
 671
 672 struct qla_tgt_mgmt_cmd;
 673 struct fc_port;
 674 struct qla_tgt_cmd;
 675
 676 /*
 677  * This structure provides a template of function calls that the
 678  * target driver (from within qla_target.c) can issue to the
 679  * target module (tcm_qla2xxx).
 680  */
 681 struct qla_tgt_func_tmpl {
 682         struct qla_tgt_cmd *(*find_cmd_by_tag)(struct fc_port *, uint64_t);
 683         int (*handle_cmd)(struct scsi_qla_host *, struct qla_tgt_cmd *,
 684                         unsigned char *, uint32_t, int, int, int);
 685         void (*handle_data)(struct qla_tgt_cmd *);
 686         int (*handle_tmr)(struct qla_tgt_mgmt_cmd *, u64, uint16_t,
 687                         uint32_t);
 688         struct qla_tgt_cmd *(*get_cmd)(struct fc_port *);
 689         void (*rel_cmd)(struct qla_tgt_cmd *);
 690         void (*free_cmd)(struct qla_tgt_cmd *);
 691         void (*free_mcmd)(struct qla_tgt_mgmt_cmd *);
 692         void (*free_session)(struct fc_port *);
 693
 694         int (*check_initiator_node_acl)(struct scsi_qla_host *, unsigned char *,
 695                                         struct fc_port *);
 696         void (*update_sess)(struct fc_port *, port_id_t, uint16_t, bool);
 697         struct fc_port *(*find_sess_by_loop_id)(struct scsi_qla_host *,
 698                                                 const uint16_t);
 699         struct fc_port *(*find_sess_by_s_id)(struct scsi_qla_host *,
 700                                              const be_id_t);
 701         void (*clear_nacl_from_fcport_map)(struct fc_port *);
 702         void (*put_sess)(struct fc_port *);
 703         void (*shutdown_sess)(struct fc_port *);
 704         int (*get_dif_tags)(struct qla_tgt_cmd *cmd, uint16_t *pfw_prot_opts);
 705         int (*chk_dif_tags)(uint32_t tag);
 706         void (*add_target)(struct scsi_qla_host *);
 707         void (*remove_target)(struct scsi_qla_host *);
 708 };
 709
 710 int qla2x00_wait_for_hba_online(struct scsi_qla_host *);
 711
 712 #include <target/target_core_base.h>
 713
 714 #define QLA_TGT_TIMEOUT                 10      /* in seconds */
 715
 716 #define QLA_TGT_MAX_HW_PENDING_TIME     60 /* in seconds */
 717
 718 /* Immediate notify status constants */
 719 #define IMM_NTFY_LIP_RESET          0x000E
 720 #define IMM_NTFY_LIP_LINK_REINIT    0x000F
 721 #define IMM_NTFY_IOCB_OVERFLOW      0x0016
 722 #define IMM_NTFY_ABORT_TASK         0x0020
 723 #define IMM_NTFY_PORT_LOGOUT        0x0029
 724 #define IMM_NTFY_PORT_CONFIG        0x002A
 725 #define IMM_NTFY_GLBL_TPRLO         0x002D
 726 #define IMM_NTFY_GLBL_LOGO          0x002E
 727 #define IMM_NTFY_RESOURCE           0x0034
 728 #define IMM_NTFY_MSG_RX             0x0036
 729 #define IMM_NTFY_SRR                0x0045
 730 #define IMM_NTFY_ELS                0x0046
 731
 732 /* Immediate notify task flags */
 733 #define IMM_NTFY_TASK_MGMT_SHIFT    8
 734
 735 #define QLA_TGT_CLEAR_ACA               0x40
 736 #define QLA_TGT_TARGET_RESET            0x20
 737 #define QLA_TGT_LUN_RESET               0x10
 738 #define QLA_TGT_CLEAR_TS                0x04
 739 #define QLA_TGT_ABORT_TS                0x02
 740 #define QLA_TGT_ABORT_ALL_SESS          0xFFFF
 741 #define QLA_TGT_ABORT_ALL               0xFFFE
 742 #define QLA_TGT_NEXUS_LOSS_SESS         0xFFFD
 743 #define QLA_TGT_NEXUS_LOSS              0xFFFC
 744 #define QLA_TGT_ABTS                    0xFFFB
 745 #define QLA_TGT_2G_ABORT_TASK           0xFFFA
 746
 747 /* Notify Acknowledge flags */
 748 #define NOTIFY_ACK_RES_COUNT        BIT_8
 749 #define NOTIFY_ACK_CLEAR_LIP_RESET  BIT_5
 750 #define NOTIFY_ACK_TM_RESP_CODE_VALID BIT_4
 751
 752 /* Command's states */
 753 #define QLA_TGT_STATE_NEW               0 /* New command + target processing */
 754 #define QLA_TGT_STATE_NEED_DATA         1 /* target needs data to continue */
 755 #define QLA_TGT_STATE_DATA_IN           2 /* Data arrived + target processing */
 756 #define QLA_TGT_STATE_PROCESSED         3 /* target done processing */
 757
 758 /* ATIO task_codes field */
 759 #define ATIO_SIMPLE_QUEUE           0
 760 #define ATIO_HEAD_OF_QUEUE          1
 761 #define ATIO_ORDERED_QUEUE          2
 762 #define ATIO_ACA_QUEUE              4
 763 #define ATIO_UNTAGGED               5
 764
 765 /* TM failed response codes, see FCP (9.4.11 FCP_RSP_INFO) */
 766 #define FC_TM_SUCCESS               0
 767 #define FC_TM_BAD_FCP_DATA          1
 768 #define FC_TM_BAD_CMD               2
 769 #define FC_TM_FCP_DATA_MISMATCH     3
 770 #define FC_TM_REJECT                4
 771 #define FC_TM_FAILED                5
 772
 773 #define QLA_TGT_SENSE_VALID(sense)  ((sense != NULL) && \
 774                                 (((const uint8_t *)(sense))[0] & 0x70) == 0x70)
 775
 776 struct qla_port_24xx_data {
 777         uint8_t port_name[WWN_SIZE];
 778         uint16_t loop_id;
 779         uint16_t reserved;
 780 };
 781
 782 struct qla_qpair_hint {
 783         struct list_head hint_elem;
 784         struct qla_qpair *qpair;
 785         u16 cpuid;
 786         uint8_t cmd_cnt;
 787 };
 788
 789 struct qla_tgt {
 790         struct scsi_qla_host *vha;
 791         struct qla_hw_data *ha;
 792         struct btree_head64 lun_qpair_map;
 793         struct qla_qpair_hint *qphints;
 794         /*
 795          * To sync between IRQ handlers and qlt_target_release(). Needed,
 796          * because req_pkt() can drop/reaquire HW lock inside. Protected by
 797          * HW lock.
 798          */
 799         int atio_irq_cmd_count;
 800
 801         int sg_tablesize;
 802
 803         /* Target's flags, serialized by pha->hardware_lock */
 804         unsigned int link_reinit_iocb_pending:1;
 805
 806         /*
 807          * Protected by tgt_mutex AND hardware_lock for writing and tgt_mutex
 808          * OR hardware_lock for reading.
 809          */
 810         int tgt_stop; /* the target mode driver is being stopped */
 811         int tgt_stopped; /* the target mode driver has been stopped */
 812
 813         /* Count of sessions refering qla_tgt. Protected by hardware_lock. */
 814         int sess_count;
 815
 816         spinlock_t sess_work_lock;
 817         struct list_head sess_works_list;
 818         struct work_struct sess_work;
 819
 820         struct imm_ntfy_from_isp link_reinit_iocb;
 821         wait_queue_head_t waitQ;
 822         int notify_ack_expected;
 823         int abts_resp_expected;
 824         int modify_lun_expected;
 825         atomic_t tgt_global_resets_count;
 826         struct list_head tgt_list_entry;
 827 };
 828
 829 struct qla_tgt_sess_op {
 830         struct scsi_qla_host *vha;
 831         uint32_t chip_reset;
 832         struct atio_from_isp atio;
 833         struct work_struct work;
 834         struct list_head cmd_list;
 835         bool aborted;
 836         struct rsp_que *rsp;
 837 };
 838
 839 enum trace_flags {
 840         TRC_NEW_CMD = BIT_0,
 841         TRC_DO_WORK = BIT_1,
 842         TRC_DO_WORK_ERR = BIT_2,
 843         TRC_XFR_RDY = BIT_3,
 844         TRC_XMIT_DATA = BIT_4,
 845         TRC_XMIT_STATUS = BIT_5,
 846         TRC_SRR_RSP =  BIT_6,
 847         TRC_SRR_XRDY = BIT_7,
 848         TRC_SRR_TERM = BIT_8,
 849         TRC_SRR_CTIO = BIT_9,
 850         TRC_FLUSH = BIT_10,
 851         TRC_CTIO_ERR = BIT_11,
 852         TRC_CTIO_DONE = BIT_12,
 853         TRC_CTIO_ABORTED =  BIT_13,
 854         TRC_CTIO_STRANGE = BIT_14,
 855         TRC_CMD_DONE = BIT_15,
 856         TRC_CMD_CHK_STOP = BIT_16,
 857         TRC_CMD_FREE = BIT_17,
 858         TRC_DATA_IN = BIT_18,
 859         TRC_ABORT = BIT_19,
 860         TRC_DIF_ERR = BIT_20,
 861 };
 862
 863 struct qla_tgt_cmd {
 864         /*
 865          * Do not move cmd_type field. it needs to line up with srb->cmd_type
 866          */
 867         uint8_t cmd_type;
 868         uint8_t pad[7];
 869         struct se_cmd se_cmd;
 870         struct list_head sess_cmd_list;
 871         struct fc_port *sess;
 872         struct qla_qpair *qpair;
 873         uint32_t reset_count;
 874         int state;
 875         struct work_struct work;
 876         /* Sense buffer that will be mapped into outgoing status */
 877         unsigned char sense_buffer[TRANSPORT_SENSE_BUFFER];
 878
 879         spinlock_t cmd_lock;
 880         /* to save extra sess dereferences */
 881         unsigned int conf_compl_supported:1;
 882         unsigned int sg_mapped:1;
 883         unsigned int write_data_transferred:1;
 884         unsigned int q_full:1;
 885         unsigned int term_exchg:1;
 886         unsigned int cmd_sent_to_fw:1;
 887         unsigned int cmd_in_wq:1;
 888         unsigned int edif:1;
 889
 890         /*
 891          * This variable may be set from outside the LIO and I/O completion
 892          * callback functions. Do not declare this member variable as a
 893          * bitfield to avoid a read-modify-write operation when this variable
 894          * is set.
 895          */
 896         unsigned int aborted;
 897
 898         struct scatterlist *sg; /* cmd data buffer SG vector */
 899         int sg_cnt;             /* SG segments count */
 900         int bufflen;            /* cmd buffer length */
 901         int offset;
 902         u64 unpacked_lun;
 903         enum dma_data_direction dma_data_direction;
 904
 905         uint16_t ctio_flags;
 906         uint16_t vp_idx;
 907         uint16_t loop_id;       /* to save extra sess dereferences */
 908         struct qla_tgt *tgt;    /* to save extra sess dereferences */
 909         struct scsi_qla_host *vha;
 910         struct list_head cmd_list;
 911
 912         struct atio_from_isp atio;
 913
 914         uint8_t ctx_dsd_alloced;
 915
 916         /* T10-DIF */
 917 #define DIF_ERR_NONE 0
 918 #define DIF_ERR_GRD 1
 919 #define DIF_ERR_REF 2
 920 #define DIF_ERR_APP 3
 921         int8_t dif_err_code;
 922         struct scatterlist *prot_sg;
 923         uint32_t prot_sg_cnt;
 924         uint32_t blk_sz, num_blks;
 925         uint8_t scsi_status, sense_key, asc, ascq;
 926
 927         struct crc_context *ctx;
 928         const uint8_t   *cdb;
 929         uint64_t        lba;
 930         uint16_t        a_guard, e_guard, a_app_tag, e_app_tag;
 931         uint32_t        a_ref_tag, e_ref_tag;
 932 #define DIF_BUNDL_DMA_VALID 1
 933         uint16_t prot_flags;
 934
 935         uint64_t jiffies_at_alloc;
 936         uint64_t jiffies_at_free;
 937
 938         enum trace_flags trc_flags;
 939 };
 940
 941 struct qla_tgt_sess_work_param {
 942         struct list_head sess_works_list_entry;
 943
 944 #define QLA_TGT_SESS_WORK_ABORT 1
 945         int type;
 946
 947         union {
 948                 struct abts_recv_from_24xx abts;
 949                 struct imm_ntfy_from_isp tm_iocb;
 950                 struct atio_from_isp tm_iocb2;
 951         };
 952 };
 953
 954 struct qla_tgt_mgmt_cmd {
 955         uint8_t cmd_type;
 956         uint8_t pad[3];
 957         uint16_t tmr_func;
 958         uint8_t fc_tm_rsp;
 959         uint8_t abort_io_attr;
 960         struct fc_port *sess;
 961         struct qla_qpair *qpair;
 962         struct scsi_qla_host *vha;
 963         struct se_cmd se_cmd;
 964         struct work_struct free_work;
 965         unsigned int flags;
 966 #define QLA24XX_MGMT_SEND_NACK  BIT_0
 967 #define QLA24XX_MGMT_ABORT_IO_ATTR_VALID BIT_1
 968         uint32_t reset_count;
 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_free_session_done(struct work_struct *);
1021 /*
1022  * This macro is used during early initializations when host->active_mode
1023  * is not set. Right now, ha value is ignored.
1024  */
1025 #define QLA_TGT_MODE_ENABLED() (ql2x_ini_mode != QLA2XXX_INI_MODE_ENABLED)
1026
1027 extern int ql2x_ini_mode;
1028
1029 static inline bool qla_tgt_mode_enabled(struct scsi_qla_host *ha)
1030 {
1031         return ha->host->active_mode == MODE_TARGET;
1032 }
1033
1034 static inline bool qla_ini_mode_enabled(struct scsi_qla_host *ha)
1035 {
1036         return ha->host->active_mode == MODE_INITIATOR;
1037 }
1038
1039 static inline bool qla_dual_mode_enabled(struct scsi_qla_host *ha)
1040 {
1041         return (ha->host->active_mode == MODE_DUAL);
1042 }
1043
1044 static inline uint32_t sid_to_key(const be_id_t s_id)
1045 {
1046         return s_id.domain << 16 |
1047                 s_id.area << 8 |
1048                 s_id.al_pa;
1049 }
1050
1051 /*
1052  * Exported symbols from qla_target.c LLD logic used by qla2xxx code..
1053  */
1054 extern void qlt_response_pkt_all_vps(struct scsi_qla_host *, struct rsp_que *,
1055         response_t *);
1056 extern int qlt_rdy_to_xfer(struct qla_tgt_cmd *);
1057 extern int qlt_xmit_response(struct qla_tgt_cmd *, int, uint8_t);
1058 extern int qlt_abort_cmd(struct qla_tgt_cmd *);
1059 extern void qlt_xmit_tm_rsp(struct qla_tgt_mgmt_cmd *);
1060 extern void qlt_free_mcmd(struct qla_tgt_mgmt_cmd *);
1061 extern void qlt_free_cmd(struct qla_tgt_cmd *cmd);
1062 extern void qlt_async_event(uint16_t, struct scsi_qla_host *, uint16_t *);
1063 extern void qlt_enable_vha(struct scsi_qla_host *);
1064 extern void qlt_vport_create(struct scsi_qla_host *, struct qla_hw_data *);
1065 extern u8 qlt_rff_id(struct scsi_qla_host *);
1066 extern void qlt_init_atio_q_entries(struct scsi_qla_host *);
1067 extern void qlt_24xx_process_atio_queue(struct scsi_qla_host *, uint8_t);
1068 extern void qlt_24xx_config_rings(struct scsi_qla_host *);
1069 extern void qlt_24xx_config_nvram_stage1(struct scsi_qla_host *,
1070         struct nvram_24xx *);
1071 extern void qlt_24xx_config_nvram_stage2(struct scsi_qla_host *,
1072         struct init_cb_24xx *);
1073 extern void qlt_81xx_config_nvram_stage2(struct scsi_qla_host *,
1074         struct init_cb_81xx *);
1075 extern void qlt_81xx_config_nvram_stage1(struct scsi_qla_host *,
1076         struct nvram_81xx *);
1077 extern void qlt_modify_vp_config(struct scsi_qla_host *,
1078         struct vp_config_entry_24xx *);
1079 extern void qlt_probe_one_stage1(struct scsi_qla_host *, struct qla_hw_data *);
1080 extern int qlt_mem_alloc(struct qla_hw_data *);
1081 extern void qlt_mem_free(struct qla_hw_data *);
1082 extern int qlt_stop_phase1(struct qla_tgt *);
1083 extern void qlt_stop_phase2(struct qla_tgt *);
1084 extern irqreturn_t qla83xx_msix_atio_q(int, void *);
1085 extern void qlt_83xx_iospace_config(struct qla_hw_data *);
1086 extern int qlt_free_qfull_cmds(struct qla_qpair *);
1087 extern void qlt_logo_completion_handler(fc_port_t *, int);
1088 extern void qlt_do_generation_tick(struct scsi_qla_host *, int *);
1089
1090 void qlt_send_resp_ctio(struct qla_qpair *, struct qla_tgt_cmd *, uint8_t,
1091     uint8_t, uint8_t, uint8_t);
1092
1093 #endif /* __QLA_TARGET_H */