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 #endif
 120
 121 #define GET_TARGET_ID(ha, iocb) ((HAS_EXTENDED_IDS(ha))                 \
 122                          ? le16_to_cpu((iocb)->u.isp2x.target.extended) \
 123                          : (uint16_t)(iocb)->u.isp2x.target.id.standard)
 124
 125 #ifndef NOTIFY_ACK_TYPE
 126 #define NOTIFY_ACK_TYPE 0x0E      /* Notify acknowledge entry. */
 127 /*
 128  * ISP queue -  notify acknowledge entry structure definition.
 129  *              This is sent to the ISP from the target driver.
 130  */
 131 struct nack_to_isp {
 132         uint8_t  entry_type;                /* Entry type. */
 133         uint8_t  entry_count;               /* Entry count. */
 134         uint8_t  sys_define;                /* System defined. */
 135         uint8_t  entry_status;              /* Entry Status. */
 136         union {
 137                 struct {
 138                         __le32  sys_define_2; /* System defined. */
 139                         target_id_t target;
 140                         uint8_t  target_id;
 141                         uint8_t  reserved_1;
 142                         __le16  flags;
 143                         __le16  resp_code;
 144                         __le16  status;
 145                         __le16  task_flags;
 146                         __le16  seq_id;
 147                         __le16  srr_rx_id;
 148                         __le32  srr_rel_offs;
 149                         __le16  srr_ui;
 150                         __le16  srr_flags;
 151                         __le16  srr_reject_code;
 152                         uint8_t  srr_reject_vendor_uniq;
 153                         uint8_t  srr_reject_code_expl;
 154                         uint8_t  reserved_2[24];
 155                 } isp2x;
 156                 struct {
 157                         uint32_t handle;
 158                         __le16  nport_handle;
 159                         uint16_t reserved_1;
 160                         __le16  flags;
 161                         __le16  srr_rx_id;
 162                         __le16  status;
 163                         uint8_t  status_subcode;
 164                         uint8_t  fw_handle;
 165                         __le32  exchange_address;
 166                         __le32  srr_rel_offs;
 167                         __le16  srr_ui;
 168                         __le16  srr_flags;
 169                         uint8_t  reserved_4[19];
 170                         uint8_t  vp_index;
 171                         uint8_t  srr_reject_vendor_uniq;
 172                         uint8_t  srr_reject_code_expl;
 173                         uint8_t  srr_reject_code;
 174                         uint8_t  reserved_5[5];
 175                 } isp24;
 176         } u;
 177         uint8_t  reserved[2];
 178         __le16  ox_id;
 179 } __packed;
 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 #endif
 243
 244 #ifndef CTIO_RET_TYPE
 245 #define CTIO_RET_TYPE   0x17            /* CTIO return entry */
 246 #define ATIO_TYPE7 0x06 /* Accept target I/O entry for 24xx */
 247
 248 struct fcp_hdr {
 249         uint8_t  r_ctl;
 250         be_id_t  d_id;
 251         uint8_t  cs_ctl;
 252         be_id_t  s_id;
 253         uint8_t  type;
 254         uint8_t  f_ctl[3];
 255         uint8_t  seq_id;
 256         uint8_t  df_ctl;
 257         uint16_t seq_cnt;
 258         __be16   ox_id;
 259         uint16_t rx_id;
 260         __le32  parameter;
 261 };
 262
 263 struct fcp_hdr_le {
 264         le_id_t  d_id;
 265         uint8_t  r_ctl;
 266         le_id_t  s_id;
 267         uint8_t  cs_ctl;
 268         uint8_t  f_ctl[3];
 269         uint8_t  type;
 270         __le16  seq_cnt;
 271         uint8_t  df_ctl;
 272         uint8_t  seq_id;
 273         __le16  rx_id;
 274         __le16  ox_id;
 275         __le32  parameter;
 276 };
 277
 278 #define F_CTL_EXCH_CONTEXT_RESP BIT_23
 279 #define F_CTL_SEQ_CONTEXT_RESIP BIT_22
 280 #define F_CTL_LAST_SEQ          BIT_20
 281 #define F_CTL_END_SEQ           BIT_19
 282 #define F_CTL_SEQ_INITIATIVE    BIT_16
 283
 284 #define R_CTL_BASIC_LINK_SERV   0x80
 285 #define R_CTL_B_ACC             0x4
 286 #define R_CTL_B_RJT             0x5
 287
 288 struct atio7_fcp_cmnd {
 289         uint64_t lun;
 290         uint8_t  cmnd_ref;
 291         uint8_t  task_attr:3;
 292         uint8_t  reserved:5;
 293         uint8_t  task_mgmt_flags;
 294 #define FCP_CMND_TASK_MGMT_CLEAR_ACA            6
 295 #define FCP_CMND_TASK_MGMT_TARGET_RESET         5
 296 #define FCP_CMND_TASK_MGMT_LU_RESET             4
 297 #define FCP_CMND_TASK_MGMT_CLEAR_TASK_SET       2
 298 #define FCP_CMND_TASK_MGMT_ABORT_TASK_SET       1
 299         uint8_t  wrdata:1;
 300         uint8_t  rddata:1;
 301         uint8_t  add_cdb_len:6;
 302         uint8_t  cdb[16];
 303         /*
 304          * add_cdb is optional and can absent from struct atio7_fcp_cmnd. Size 4
 305          * only to make sizeof(struct atio7_fcp_cmnd) be as expected by
 306          * BUILD_BUG_ON in qlt_init().
 307          */
 308         uint8_t  add_cdb[4];
 309         /* __le32       data_length; */
 310 } __packed;
 311
 312 /*
 313  * ISP queue -  Accept Target I/O (ATIO) type entry IOCB structure.
 314  *              This is sent from the ISP to the target driver.
 315  */
 316 struct atio_from_isp {
 317         union {
 318                 struct {
 319                         __le16  entry_hdr;
 320                         uint8_t  sys_define;   /* System defined. */
 321                         uint8_t  entry_status; /* Entry Status.   */
 322                         __le32  sys_define_2; /* System defined. */
 323                         target_id_t target;
 324                         __le16  rx_id;
 325                         __le16  flags;
 326                         __le16  status;
 327                         uint8_t  command_ref;
 328                         uint8_t  task_codes;
 329                         uint8_t  task_flags;
 330                         uint8_t  execution_codes;
 331                         uint8_t  cdb[MAX_CMDSZ];
 332                         __le32  data_length;
 333                         __le16  lun;
 334                         uint8_t  initiator_port_name[WWN_SIZE]; /* on qla23xx */
 335                         __le16  reserved_32[6];
 336                         __le16  ox_id;
 337                 } isp2x;
 338                 struct {
 339                         __le16  entry_hdr;
 340                         uint8_t  fcp_cmnd_len_low;
 341                         uint8_t  fcp_cmnd_len_high:4;
 342                         uint8_t  attr:4;
 343                         __le32  exchange_addr;
 344 #define ATIO_EXCHANGE_ADDRESS_UNKNOWN   0xFFFFFFFF
 345                         struct fcp_hdr fcp_hdr;
 346                         struct atio7_fcp_cmnd fcp_cmnd;
 347                 } isp24;
 348                 struct {
 349                         uint8_t  entry_type;    /* Entry type. */
 350                         uint8_t  entry_count;   /* Entry count. */
 351                         __le16   attr_n_length;
 352 #define FCP_CMD_LENGTH_MASK 0x0fff
 353 #define FCP_CMD_LENGTH_MIN  0x38
 354                         uint8_t  data[56];
 355                         __le32  signature;
 356 #define ATIO_PROCESSED 0xDEADDEAD               /* Signature */
 357                 } raw;
 358         } u;
 359 } __packed;
 360
 361 static inline int fcpcmd_is_corrupted(struct atio *atio)
 362 {
 363         if (atio->entry_type == ATIO_TYPE7 &&
 364             ((le16_to_cpu(atio->attr_n_length) & FCP_CMD_LENGTH_MASK) <
 365              FCP_CMD_LENGTH_MIN))
 366                 return 1;
 367         else
 368                 return 0;
 369 }
 370
 371 /* adjust corrupted atio so we won't trip over the same entry again. */
 372 static inline void adjust_corrupted_atio(struct atio_from_isp *atio)
 373 {
 374         atio->u.raw.attr_n_length = cpu_to_le16(FCP_CMD_LENGTH_MIN);
 375         atio->u.isp24.fcp_cmnd.add_cdb_len = 0;
 376 }
 377
 378 static inline int get_datalen_for_atio(struct atio_from_isp *atio)
 379 {
 380         int len = atio->u.isp24.fcp_cmnd.add_cdb_len;
 381
 382         return get_unaligned_be32(&atio->u.isp24.fcp_cmnd.add_cdb[len * 4]);
 383 }
 384
 385 #define CTIO_TYPE7 0x12 /* Continue target I/O entry (for 24xx) */
 386
 387 /*
 388  * ISP queue -  Continue Target I/O (ATIO) type 7 entry (for 24xx) structure.
 389  *              This structure is sent to the ISP 24xx from the target driver.
 390  */
 391
 392 struct ctio7_to_24xx {
 393         uint8_t  entry_type;                /* Entry type. */
 394         uint8_t  entry_count;               /* Entry count. */
 395         uint8_t  sys_define;                /* System defined. */
 396         uint8_t  entry_status;              /* Entry Status. */
 397         uint32_t handle;                    /* System defined handle */
 398         __le16  nport_handle;
 399 #define CTIO7_NHANDLE_UNRECOGNIZED      0xFFFF
 400         __le16  timeout;
 401         __le16  dseg_count;                 /* Data segment count. */
 402         uint8_t  vp_index;
 403         uint8_t  add_flags;
 404         le_id_t  initiator_id;
 405         uint8_t  reserved;
 406         __le32  exchange_addr;
 407         union {
 408                 struct {
 409                         __le16  reserved1;
 410                         __le16 flags;
 411                         __le32  residual;
 412                         __le16 ox_id;
 413                         __le16  scsi_status;
 414                         __le32  relative_offset;
 415                         __le32  reserved2;
 416                         __le32  transfer_length;
 417                         __le32  reserved3;
 418                         struct dsd64 dsd;
 419                 } status0;
 420                 struct {
 421                         __le16  sense_length;
 422                         __le16 flags;
 423                         __le32  residual;
 424                         __le16 ox_id;
 425                         __le16  scsi_status;
 426                         __le16  response_len;
 427                         __le16  reserved;
 428                         uint8_t sense_data[24];
 429                 } status1;
 430         } u;
 431 } __packed;
 432
 433 /*
 434  * ISP queue - CTIO type 7 from ISP 24xx to target driver
 435  * returned entry structure.
 436  */
 437 struct ctio7_from_24xx {
 438         uint8_t  entry_type;                /* Entry type. */
 439         uint8_t  entry_count;               /* Entry count. */
 440         uint8_t  sys_define;                /* System defined. */
 441         uint8_t  entry_status;              /* Entry Status. */
 442         uint32_t handle;                    /* System defined handle */
 443         __le16  status;
 444         __le16  timeout;
 445         __le16  dseg_count;                 /* Data segment count. */
 446         uint8_t  vp_index;
 447         uint8_t  reserved1[5];
 448         __le32  exchange_address;
 449         __le16  reserved2;
 450         __le16  flags;
 451         __le32  residual;
 452         __le16  ox_id;
 453         __le16  reserved3;
 454         __le32  relative_offset;
 455         uint8_t  reserved4[24];
 456 } __packed;
 457
 458 /* CTIO7 flags values */
 459 #define CTIO7_FLAGS_SEND_STATUS         BIT_15
 460 #define CTIO7_FLAGS_TERMINATE           BIT_14
 461 #define CTIO7_FLAGS_CONFORM_REQ         BIT_13
 462 #define CTIO7_FLAGS_DONT_RET_CTIO       BIT_8
 463 #define CTIO7_FLAGS_STATUS_MODE_0       0
 464 #define CTIO7_FLAGS_STATUS_MODE_1       BIT_6
 465 #define CTIO7_FLAGS_STATUS_MODE_2       BIT_7
 466 #define CTIO7_FLAGS_EXPLICIT_CONFORM    BIT_5
 467 #define CTIO7_FLAGS_CONFIRM_SATISF      BIT_4
 468 #define CTIO7_FLAGS_DSD_PTR             BIT_2
 469 #define CTIO7_FLAGS_DATA_IN             BIT_1 /* data to initiator */
 470 #define CTIO7_FLAGS_DATA_OUT            BIT_0 /* data from initiator */
 471
 472 #define ELS_PLOGI                       0x3
 473 #define ELS_FLOGI                       0x4
 474 #define ELS_LOGO                        0x5
 475 #define ELS_PRLI                        0x20
 476 #define ELS_PRLO                        0x21
 477 #define ELS_TPRLO                       0x24
 478 #define ELS_PDISC                       0x50
 479 #define ELS_ADISC                       0x52
 480
 481 /*
 482  *CTIO Type CRC_2 IOCB
 483  */
 484 struct ctio_crc2_to_fw {
 485         uint8_t entry_type;             /* Entry type. */
 486 #define CTIO_CRC2 0x7A
 487         uint8_t entry_count;            /* Entry count. */
 488         uint8_t sys_define;             /* System defined. */
 489         uint8_t entry_status;           /* Entry Status. */
 490
 491         uint32_t handle;                /* System handle. */
 492         __le16  nport_handle;           /* N_PORT handle. */
 493         __le16 timeout;         /* Command timeout. */
 494
 495         __le16  dseg_count;             /* Data segment count. */
 496         uint8_t  vp_index;
 497         uint8_t  add_flags;             /* additional flags */
 498 #define CTIO_CRC2_AF_DIF_DSD_ENA BIT_3
 499
 500         le_id_t  initiator_id;          /* initiator ID */
 501         uint8_t  reserved1;
 502         __le32  exchange_addr;          /* rcv exchange address */
 503         __le16  reserved2;
 504         __le16 flags;                   /* refer to CTIO7 flags values */
 505         __le32  residual;
 506         __le16 ox_id;
 507         __le16  scsi_status;
 508         __le32 relative_offset;
 509         __le32  reserved5;
 510         __le32 transfer_length;         /* total fc transfer length */
 511         __le32  reserved6;
 512         __le64   crc_context_address __packed; /* Data segment address. */
 513         __le16  crc_context_len;        /* Data segment length. */
 514         __le16  reserved_1;             /* MUST be set to 0. */
 515 };
 516
 517 /* CTIO Type CRC_x Status IOCB */
 518 struct ctio_crc_from_fw {
 519         uint8_t entry_type;             /* Entry type. */
 520         uint8_t entry_count;            /* Entry count. */
 521         uint8_t sys_define;             /* System defined. */
 522         uint8_t entry_status;           /* Entry Status. */
 523
 524         uint32_t handle;                /* System handle. */
 525         __le16  status;
 526         __le16  timeout;                /* Command timeout. */
 527         __le16  dseg_count;             /* Data segment count. */
 528         __le32  reserved1;
 529         __le16  state_flags;
 530 #define CTIO_CRC_SF_DIF_CHOPPED BIT_4
 531
 532         __le32  exchange_address;       /* rcv exchange address */
 533         __le16  reserved2;
 534         __le16  flags;
 535         __le32  resid_xfer_length;
 536         __le16  ox_id;
 537         uint8_t  reserved3[12];
 538         __le16  runt_guard;             /* reported runt blk guard */
 539         uint8_t  actual_dif[8];
 540         uint8_t  expected_dif[8];
 541 } __packed;
 542
 543 /*
 544  * ISP queue - ABTS received/response entries structure definition for 24xx.
 545  */
 546 #define ABTS_RECV_24XX          0x54 /* ABTS received (for 24xx) */
 547 #define ABTS_RESP_24XX          0x55 /* ABTS responce (for 24xx) */
 548
 549 /*
 550  * ISP queue -  ABTS received IOCB entry structure definition for 24xx.
 551  *              The ABTS BLS received from the wire is sent to the
 552  *              target driver by the ISP 24xx.
 553  *              The IOCB is placed on the response queue.
 554  */
 555 struct abts_recv_from_24xx {
 556         uint8_t  entry_type;                /* Entry type. */
 557         uint8_t  entry_count;               /* Entry count. */
 558         uint8_t  sys_define;                /* System defined. */
 559         uint8_t  entry_status;              /* Entry Status. */
 560         uint8_t  reserved_1[6];
 561         __le16  nport_handle;
 562         uint8_t  reserved_2[2];
 563         uint8_t  vp_index;
 564         uint8_t  reserved_3:4;
 565         uint8_t  sof_type:4;
 566         __le32  exchange_address;
 567         struct fcp_hdr_le fcp_hdr_le;
 568         uint8_t  reserved_4[16];
 569         __le32  exchange_addr_to_abort;
 570 } __packed;
 571
 572 #define ABTS_PARAM_ABORT_SEQ            BIT_0
 573
 574 struct ba_acc_le {
 575         __le16  reserved;
 576         uint8_t  seq_id_last;
 577         uint8_t  seq_id_valid;
 578 #define SEQ_ID_VALID    0x80
 579 #define SEQ_ID_INVALID  0x00
 580         __le16  rx_id;
 581         __le16  ox_id;
 582         __le16  high_seq_cnt;
 583         __le16  low_seq_cnt;
 584 } __packed;
 585
 586 struct ba_rjt_le {
 587         uint8_t vendor_uniq;
 588         uint8_t reason_expl;
 589         uint8_t reason_code;
 590 #define BA_RJT_REASON_CODE_INVALID_COMMAND      0x1
 591 #define BA_RJT_REASON_CODE_UNABLE_TO_PERFORM    0x9
 592         uint8_t reserved;
 593 } __packed;
 594
 595 /*
 596  * ISP queue -  ABTS Response IOCB entry structure definition for 24xx.
 597  *              The ABTS response to the ABTS received is sent by the
 598  *              target driver to the ISP 24xx.
 599  *              The IOCB is placed on the request queue.
 600  */
 601 struct abts_resp_to_24xx {
 602         uint8_t  entry_type;                /* Entry type. */
 603         uint8_t  entry_count;               /* Entry count. */
 604         uint8_t  sys_define;                /* System defined. */
 605         uint8_t  entry_status;              /* Entry Status. */
 606         uint32_t handle;
 607         __le16  reserved_1;
 608         __le16  nport_handle;
 609         __le16  control_flags;
 610 #define ABTS_CONTR_FLG_TERM_EXCHG       BIT_0
 611         uint8_t  vp_index;
 612         uint8_t  reserved_3:4;
 613         uint8_t  sof_type:4;
 614         __le32  exchange_address;
 615         struct fcp_hdr_le fcp_hdr_le;
 616         union {
 617                 struct ba_acc_le ba_acct;
 618                 struct ba_rjt_le ba_rjt;
 619         } __packed payload;
 620         __le32  reserved_4;
 621         __le32  exchange_addr_to_abort;
 622 } __packed;
 623
 624 /*
 625  * ISP queue -  ABTS Response IOCB from ISP24xx Firmware entry structure.
 626  *              The ABTS response with completion status to the ABTS response
 627  *              (sent by the target driver to the ISP 24xx) is sent by the
 628  *              ISP24xx firmware to the target driver.
 629  *              The IOCB is placed on the response queue.
 630  */
 631 struct abts_resp_from_24xx_fw {
 632         uint8_t  entry_type;                /* Entry type. */
 633         uint8_t  entry_count;               /* Entry count. */
 634         uint8_t  sys_define;                /* System defined. */
 635         uint8_t  entry_status;              /* Entry Status. */
 636         uint32_t handle;
 637         __le16  compl_status;
 638 #define ABTS_RESP_COMPL_SUCCESS         0
 639 #define ABTS_RESP_COMPL_SUBCODE_ERROR   0x31
 640         __le16  nport_handle;
 641         __le16  reserved_1;
 642         uint8_t  reserved_2;
 643         uint8_t  reserved_3:4;
 644         uint8_t  sof_type:4;
 645         __le32  exchange_address;
 646         struct fcp_hdr_le fcp_hdr_le;
 647         uint8_t reserved_4[8];
 648         __le32  error_subcode1;
 649 #define ABTS_RESP_SUBCODE_ERR_ABORTED_EXCH_NOT_TERM     0x1E
 650         __le32  error_subcode2;
 651         __le32  exchange_addr_to_abort;
 652 } __packed;
 653
 654 /********************************************************************\
 655  * Type Definitions used by initiator & target halves
 656 \********************************************************************/
 657
 658 struct qla_tgt_mgmt_cmd;
 659 struct fc_port;
 660 struct qla_tgt_cmd;
 661
 662 /*
 663  * This structure provides a template of function calls that the
 664  * target driver (from within qla_target.c) can issue to the
 665  * target module (tcm_qla2xxx).
 666  */
 667 struct qla_tgt_func_tmpl {
 668         struct qla_tgt_cmd *(*find_cmd_by_tag)(struct fc_port *, uint64_t);
 669         int (*handle_cmd)(struct scsi_qla_host *, struct qla_tgt_cmd *,
 670                         unsigned char *, uint32_t, int, int, int);
 671         void (*handle_data)(struct qla_tgt_cmd *);
 672         int (*handle_tmr)(struct qla_tgt_mgmt_cmd *, u64, uint16_t,
 673                         uint32_t);
 674         struct qla_tgt_cmd *(*get_cmd)(struct fc_port *);
 675         void (*rel_cmd)(struct qla_tgt_cmd *);
 676         void (*free_cmd)(struct qla_tgt_cmd *);
 677         void (*free_mcmd)(struct qla_tgt_mgmt_cmd *);
 678         void (*free_session)(struct fc_port *);
 679
 680         int (*check_initiator_node_acl)(struct scsi_qla_host *, unsigned char *,
 681                                         struct fc_port *);
 682         void (*update_sess)(struct fc_port *, port_id_t, uint16_t, bool);
 683         struct fc_port *(*find_sess_by_loop_id)(struct scsi_qla_host *,
 684                                                 const uint16_t);
 685         struct fc_port *(*find_sess_by_s_id)(struct scsi_qla_host *,
 686                                              const be_id_t);
 687         void (*clear_nacl_from_fcport_map)(struct fc_port *);
 688         void (*put_sess)(struct fc_port *);
 689         void (*shutdown_sess)(struct fc_port *);
 690         int (*get_dif_tags)(struct qla_tgt_cmd *cmd, uint16_t *pfw_prot_opts);
 691         int (*chk_dif_tags)(uint32_t tag);
 692         void (*add_target)(struct scsi_qla_host *);
 693         void (*remove_target)(struct scsi_qla_host *);
 694 };
 695
 696 int qla2x00_wait_for_hba_online(struct scsi_qla_host *);
 697
 698 #include <target/target_core_base.h>
 699
 700 #define QLA_TGT_TIMEOUT                 10      /* in seconds */
 701
 702 #define QLA_TGT_MAX_HW_PENDING_TIME     60 /* in seconds */
 703
 704 /* Immediate notify status constants */
 705 #define IMM_NTFY_LIP_RESET          0x000E
 706 #define IMM_NTFY_LIP_LINK_REINIT    0x000F
 707 #define IMM_NTFY_IOCB_OVERFLOW      0x0016
 708 #define IMM_NTFY_ABORT_TASK         0x0020
 709 #define IMM_NTFY_PORT_LOGOUT        0x0029
 710 #define IMM_NTFY_PORT_CONFIG        0x002A
 711 #define IMM_NTFY_GLBL_TPRLO         0x002D
 712 #define IMM_NTFY_GLBL_LOGO          0x002E
 713 #define IMM_NTFY_RESOURCE           0x0034
 714 #define IMM_NTFY_MSG_RX             0x0036
 715 #define IMM_NTFY_SRR                0x0045
 716 #define IMM_NTFY_ELS                0x0046
 717
 718 /* Immediate notify task flags */
 719 #define IMM_NTFY_TASK_MGMT_SHIFT    8
 720
 721 #define QLA_TGT_CLEAR_ACA               0x40
 722 #define QLA_TGT_TARGET_RESET            0x20
 723 #define QLA_TGT_LUN_RESET               0x10
 724 #define QLA_TGT_CLEAR_TS                0x04
 725 #define QLA_TGT_ABORT_TS                0x02
 726 #define QLA_TGT_ABORT_ALL_SESS          0xFFFF
 727 #define QLA_TGT_ABORT_ALL               0xFFFE
 728 #define QLA_TGT_NEXUS_LOSS_SESS         0xFFFD
 729 #define QLA_TGT_NEXUS_LOSS              0xFFFC
 730 #define QLA_TGT_ABTS                    0xFFFB
 731 #define QLA_TGT_2G_ABORT_TASK           0xFFFA
 732
 733 /* Notify Acknowledge flags */
 734 #define NOTIFY_ACK_RES_COUNT        BIT_8
 735 #define NOTIFY_ACK_CLEAR_LIP_RESET  BIT_5
 736 #define NOTIFY_ACK_TM_RESP_CODE_VALID BIT_4
 737
 738 /* Command's states */
 739 #define QLA_TGT_STATE_NEW               0 /* New command + target processing */
 740 #define QLA_TGT_STATE_NEED_DATA         1 /* target needs data to continue */
 741 #define QLA_TGT_STATE_DATA_IN           2 /* Data arrived + target processing */
 742 #define QLA_TGT_STATE_PROCESSED         3 /* target done processing */
 743
 744 /* ATIO task_codes field */
 745 #define ATIO_SIMPLE_QUEUE           0
 746 #define ATIO_HEAD_OF_QUEUE          1
 747 #define ATIO_ORDERED_QUEUE          2
 748 #define ATIO_ACA_QUEUE              4
 749 #define ATIO_UNTAGGED               5
 750
 751 /* TM failed response codes, see FCP (9.4.11 FCP_RSP_INFO) */
 752 #define FC_TM_SUCCESS               0
 753 #define FC_TM_BAD_FCP_DATA          1
 754 #define FC_TM_BAD_CMD               2
 755 #define FC_TM_FCP_DATA_MISMATCH     3
 756 #define FC_TM_REJECT                4
 757 #define FC_TM_FAILED                5
 758
 759 #define QLA_TGT_SENSE_VALID(sense)  ((sense != NULL) && \
 760                                 (((const uint8_t *)(sense))[0] & 0x70) == 0x70)
 761
 762 struct qla_port_24xx_data {
 763         uint8_t port_name[WWN_SIZE];
 764         uint16_t loop_id;
 765         uint16_t reserved;
 766 };
 767
 768 struct qla_qpair_hint {
 769         struct list_head hint_elem;
 770         struct qla_qpair *qpair;
 771         u16 cpuid;
 772         uint8_t cmd_cnt;
 773 };
 774
 775 struct qla_tgt {
 776         struct scsi_qla_host *vha;
 777         struct qla_hw_data *ha;
 778         struct btree_head64 lun_qpair_map;
 779         struct qla_qpair_hint *qphints;
 780         /*
 781          * To sync between IRQ handlers and qlt_target_release(). Needed,
 782          * because req_pkt() can drop/reaquire HW lock inside. Protected by
 783          * HW lock.
 784          */
 785         int atio_irq_cmd_count;
 786
 787         int sg_tablesize;
 788
 789         /* Target's flags, serialized by pha->hardware_lock */
 790         unsigned int link_reinit_iocb_pending:1;
 791
 792         /*
 793          * Protected by tgt_mutex AND hardware_lock for writing and tgt_mutex
 794          * OR hardware_lock for reading.
 795          */
 796         int tgt_stop; /* the target mode driver is being stopped */
 797         int tgt_stopped; /* the target mode driver has been stopped */
 798
 799         /* Count of sessions refering qla_tgt. Protected by hardware_lock. */
 800         int sess_count;
 801
 802         /* Protected by hardware_lock */
 803         struct list_head del_sess_list;
 804
 805         spinlock_t sess_work_lock;
 806         struct list_head sess_works_list;
 807         struct work_struct sess_work;
 808
 809         struct imm_ntfy_from_isp link_reinit_iocb;
 810         wait_queue_head_t waitQ;
 811         int notify_ack_expected;
 812         int abts_resp_expected;
 813         int modify_lun_expected;
 814         atomic_t tgt_global_resets_count;
 815         struct list_head tgt_list_entry;
 816 };
 817
 818 struct qla_tgt_sess_op {
 819         struct scsi_qla_host *vha;
 820         uint32_t chip_reset;
 821         struct atio_from_isp atio;
 822         struct work_struct work;
 823         struct list_head cmd_list;
 824         bool aborted;
 825         struct rsp_que *rsp;
 826 };
 827
 828 enum trace_flags {
 829         TRC_NEW_CMD = BIT_0,
 830         TRC_DO_WORK = BIT_1,
 831         TRC_DO_WORK_ERR = BIT_2,
 832         TRC_XFR_RDY = BIT_3,
 833         TRC_XMIT_DATA = BIT_4,
 834         TRC_XMIT_STATUS = BIT_5,
 835         TRC_SRR_RSP =  BIT_6,
 836         TRC_SRR_XRDY = BIT_7,
 837         TRC_SRR_TERM = BIT_8,
 838         TRC_SRR_CTIO = BIT_9,
 839         TRC_FLUSH = BIT_10,
 840         TRC_CTIO_ERR = BIT_11,
 841         TRC_CTIO_DONE = BIT_12,
 842         TRC_CTIO_ABORTED =  BIT_13,
 843         TRC_CTIO_STRANGE = BIT_14,
 844         TRC_CMD_DONE = BIT_15,
 845         TRC_CMD_CHK_STOP = BIT_16,
 846         TRC_CMD_FREE = BIT_17,
 847         TRC_DATA_IN = BIT_18,
 848         TRC_ABORT = BIT_19,
 849         TRC_DIF_ERR = BIT_20,
 850 };
 851
 852 struct qla_tgt_cmd {
 853         /*
 854          * Do not move cmd_type field. it needs to line up with srb->cmd_type
 855          */
 856         uint8_t cmd_type;
 857         uint8_t pad[7];
 858         struct se_cmd se_cmd;
 859         struct list_head sess_cmd_list;
 860         struct fc_port *sess;
 861         struct qla_qpair *qpair;
 862         uint32_t reset_count;
 863         int state;
 864         struct work_struct work;
 865         /* Sense buffer that will be mapped into outgoing status */
 866         unsigned char sense_buffer[TRANSPORT_SENSE_BUFFER];
 867
 868         spinlock_t cmd_lock;
 869         /* to save extra sess dereferences */
 870         unsigned int conf_compl_supported:1;
 871         unsigned int sg_mapped:1;
 872         unsigned int free_sg:1;
 873         unsigned int write_data_transferred:1;
 874         unsigned int q_full:1;
 875         unsigned int term_exchg:1;
 876         unsigned int cmd_sent_to_fw:1;
 877         unsigned int cmd_in_wq:1;
 878
 879         /*
 880          * This variable may be set from outside the LIO and I/O completion
 881          * callback functions. Do not declare this member variable as a
 882          * bitfield to avoid a read-modify-write operation when this variable
 883          * is set.
 884          */
 885         unsigned int aborted;
 886
 887         struct scatterlist *sg; /* cmd data buffer SG vector */
 888         int sg_cnt;             /* SG segments count */
 889         int bufflen;            /* cmd buffer length */
 890         int offset;
 891         u64 unpacked_lun;
 892         enum dma_data_direction dma_data_direction;
 893
 894         uint16_t ctio_flags;
 895         uint16_t vp_idx;
 896         uint16_t loop_id;       /* to save extra sess dereferences */
 897         struct qla_tgt *tgt;    /* to save extra sess dereferences */
 898         struct scsi_qla_host *vha;
 899         struct list_head cmd_list;
 900
 901         struct atio_from_isp atio;
 902
 903         uint8_t ctx_dsd_alloced;
 904
 905         /* T10-DIF */
 906 #define DIF_ERR_NONE 0
 907 #define DIF_ERR_GRD 1
 908 #define DIF_ERR_REF 2
 909 #define DIF_ERR_APP 3
 910         int8_t dif_err_code;
 911         struct scatterlist *prot_sg;
 912         uint32_t prot_sg_cnt;
 913         uint32_t blk_sz, num_blks;
 914         uint8_t scsi_status, sense_key, asc, ascq;
 915
 916         struct crc_context *ctx;
 917         const uint8_t   *cdb;
 918         uint64_t        lba;
 919         uint16_t        a_guard, e_guard, a_app_tag, e_app_tag;
 920         uint32_t        a_ref_tag, e_ref_tag;
 921 #define DIF_BUNDL_DMA_VALID 1
 922         uint16_t prot_flags;
 923
 924         uint64_t jiffies_at_alloc;
 925         uint64_t jiffies_at_free;
 926
 927         enum trace_flags trc_flags;
 928 };
 929
 930 struct qla_tgt_sess_work_param {
 931         struct list_head sess_works_list_entry;
 932
 933 #define QLA_TGT_SESS_WORK_ABORT 1
 934 #define QLA_TGT_SESS_WORK_TM    2
 935         int type;
 936
 937         union {
 938                 struct abts_recv_from_24xx abts;
 939                 struct imm_ntfy_from_isp tm_iocb;
 940                 struct atio_from_isp tm_iocb2;
 941         };
 942 };
 943
 944 struct qla_tgt_mgmt_cmd {
 945         uint8_t cmd_type;
 946         uint8_t pad[3];
 947         uint16_t tmr_func;
 948         uint8_t fc_tm_rsp;
 949         uint8_t abort_io_attr;
 950         struct fc_port *sess;
 951         struct qla_qpair *qpair;
 952         struct scsi_qla_host *vha;
 953         struct se_cmd se_cmd;
 954         struct work_struct free_work;
 955         unsigned int flags;
 956 #define QLA24XX_MGMT_SEND_NACK  BIT_0
 957 #define QLA24XX_MGMT_ABORT_IO_ATTR_VALID BIT_1
 958         uint32_t reset_count;
 959         struct work_struct work;
 960         uint64_t unpacked_lun;
 961         union {
 962                 struct atio_from_isp atio;
 963                 struct imm_ntfy_from_isp imm_ntfy;
 964                 struct abts_recv_from_24xx abts;
 965         } __packed orig_iocb;
 966 };
 967
 968 struct qla_tgt_prm {
 969         struct qla_tgt_cmd *cmd;
 970         struct qla_tgt *tgt;
 971         void *pkt;
 972         struct scatterlist *sg; /* cmd data buffer SG vector */
 973         unsigned char *sense_buffer;
 974         int seg_cnt;
 975         int req_cnt;
 976         uint16_t rq_result;
 977         int sense_buffer_len;
 978         int residual;
 979         int add_status_pkt;
 980         /* dif */
 981         struct scatterlist *prot_sg;
 982         uint16_t prot_seg_cnt;
 983         uint16_t tot_dsds;
 984 };
 985
 986 /* Check for Switch reserved address */
 987 #define IS_SW_RESV_ADDR(_s_id) \
 988         ((_s_id.b.domain == 0xff) && ((_s_id.b.area & 0xf0) == 0xf0))
 989
 990 #define QLA_TGT_XMIT_DATA               1
 991 #define QLA_TGT_XMIT_STATUS             2
 992 #define QLA_TGT_XMIT_ALL                (QLA_TGT_XMIT_STATUS|QLA_TGT_XMIT_DATA)
 993
 994
 995 extern struct qla_tgt_data qla_target;
 996
 997 /*
 998  * Function prototypes for qla_target.c logic used by qla2xxx LLD code.
 999  */
1000 extern int qlt_add_target(struct qla_hw_data *, struct scsi_qla_host *);
1001 extern int qlt_remove_target(struct qla_hw_data *, struct scsi_qla_host *);
1002 extern int qlt_lport_register(void *, u64, u64, u64,
1003                         int (*callback)(struct scsi_qla_host *, void *, u64, u64));
1004 extern void qlt_lport_deregister(struct scsi_qla_host *);
1005 extern void qlt_unreg_sess(struct fc_port *);
1006 extern void qlt_fc_port_added(struct scsi_qla_host *, fc_port_t *);
1007 extern void qlt_fc_port_deleted(struct scsi_qla_host *, fc_port_t *, int);
1008 extern int __init qlt_init(void);
1009 extern void qlt_exit(void);
1010 extern void qlt_update_vp_map(struct scsi_qla_host *, int);
1011 extern void qlt_free_session_done(struct work_struct *);
1012 /*
1013  * This macro is used during early initializations when host->active_mode
1014  * is not set. Right now, ha value is ignored.
1015  */
1016 #define QLA_TGT_MODE_ENABLED() (ql2x_ini_mode != QLA2XXX_INI_MODE_ENABLED)
1017
1018 extern int ql2x_ini_mode;
1019
1020 static inline bool qla_tgt_mode_enabled(struct scsi_qla_host *ha)
1021 {
1022         return ha->host->active_mode == MODE_TARGET;
1023 }
1024
1025 static inline bool qla_ini_mode_enabled(struct scsi_qla_host *ha)
1026 {
1027         return ha->host->active_mode == MODE_INITIATOR;
1028 }
1029
1030 static inline bool qla_dual_mode_enabled(struct scsi_qla_host *ha)
1031 {
1032         return (ha->host->active_mode == MODE_DUAL);
1033 }
1034
1035 static inline uint32_t sid_to_key(const be_id_t s_id)
1036 {
1037         return s_id.domain << 16 |
1038                 s_id.area << 8 |
1039                 s_id.al_pa;
1040 }
1041
1042 /*
1043  * Exported symbols from qla_target.c LLD logic used by qla2xxx code..
1044  */
1045 extern void qlt_response_pkt_all_vps(struct scsi_qla_host *, struct rsp_que *,
1046         response_t *);
1047 extern int qlt_rdy_to_xfer(struct qla_tgt_cmd *);
1048 extern int qlt_xmit_response(struct qla_tgt_cmd *, int, uint8_t);
1049 extern int qlt_abort_cmd(struct qla_tgt_cmd *);
1050 extern void qlt_xmit_tm_rsp(struct qla_tgt_mgmt_cmd *);
1051 extern void qlt_free_mcmd(struct qla_tgt_mgmt_cmd *);
1052 extern void qlt_free_cmd(struct qla_tgt_cmd *cmd);
1053 extern void qlt_async_event(uint16_t, struct scsi_qla_host *, uint16_t *);
1054 extern void qlt_enable_vha(struct scsi_qla_host *);
1055 extern void qlt_vport_create(struct scsi_qla_host *, struct qla_hw_data *);
1056 extern u8 qlt_rff_id(struct scsi_qla_host *);
1057 extern void qlt_init_atio_q_entries(struct scsi_qla_host *);
1058 extern void qlt_24xx_process_atio_queue(struct scsi_qla_host *, uint8_t);
1059 extern void qlt_24xx_config_rings(struct scsi_qla_host *);
1060 extern void qlt_24xx_config_nvram_stage1(struct scsi_qla_host *,
1061         struct nvram_24xx *);
1062 extern void qlt_24xx_config_nvram_stage2(struct scsi_qla_host *,
1063         struct init_cb_24xx *);
1064 extern void qlt_81xx_config_nvram_stage2(struct scsi_qla_host *,
1065         struct init_cb_81xx *);
1066 extern void qlt_81xx_config_nvram_stage1(struct scsi_qla_host *,
1067         struct nvram_81xx *);
1068 extern int qlt_24xx_process_response_error(struct scsi_qla_host *,
1069         struct sts_entry_24xx *);
1070 extern void qlt_modify_vp_config(struct scsi_qla_host *,
1071         struct vp_config_entry_24xx *);
1072 extern void qlt_probe_one_stage1(struct scsi_qla_host *, struct qla_hw_data *);
1073 extern int qlt_mem_alloc(struct qla_hw_data *);
1074 extern void qlt_mem_free(struct qla_hw_data *);
1075 extern int qlt_stop_phase1(struct qla_tgt *);
1076 extern void qlt_stop_phase2(struct qla_tgt *);
1077 extern irqreturn_t qla83xx_msix_atio_q(int, void *);
1078 extern void qlt_83xx_iospace_config(struct qla_hw_data *);
1079 extern int qlt_free_qfull_cmds(struct qla_qpair *);
1080 extern void qlt_logo_completion_handler(fc_port_t *, int);
1081 extern void qlt_do_generation_tick(struct scsi_qla_host *, int *);
1082
1083 void qlt_send_resp_ctio(struct qla_qpair *, struct qla_tgt_cmd *, uint8_t,
1084     uint8_t, uint8_t, uint8_t);
1085
1086 #endif /* __QLA_TARGET_H */