root/drivers/scsi/qla2xxx/qla_target.h

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INCLUDED FROM


DEFINITIONS

This source file includes following definitions.
  1. fcpcmd_is_corrupted
  2. adjust_corrupted_atio
  3. get_datalen_for_atio
  4. qla_tgt_mode_enabled
  5. qla_ini_mode_enabled
  6. qla_dual_mode_enabled
  7. sid_to_key

   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                         uint32_t sys_define_2; /* System defined. */
 139                         target_id_t target;
 140                         uint8_t  target_id;
 141                         uint8_t  reserved_1;
 142                         uint16_t flags;
 143                         uint16_t resp_code;
 144                         uint16_t status;
 145                         uint16_t task_flags;
 146                         uint16_t seq_id;
 147                         uint16_t srr_rx_id;
 148                         uint32_t srr_rel_offs;
 149                         uint16_t srr_ui;
 150                         uint16_t srr_flags;
 151                         uint16_t 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                         uint16_t nport_handle;
 159                         uint16_t reserved_1;
 160                         uint16_t flags;
 161                         uint16_t srr_rx_id;
 162                         uint16_t status;
 163                         uint8_t  status_subcode;
 164                         uint8_t  fw_handle;
 165                         uint32_t exchange_address;
 166                         uint32_t srr_rel_offs;
 167                         uint16_t srr_ui;
 168                         uint16_t 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         uint16_t 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         uint16_t rx_id;
 210         uint16_t flags;
 211         uint16_t status;
 212         uint16_t timeout;               /* 0 = 30 seconds, 0xFFFF = disable */
 213         uint16_t dseg_count;            /* Data segment count. */
 214         uint32_t relative_offset;
 215         uint32_t residual;
 216         uint16_t reserved_1[3];
 217         uint16_t scsi_status;
 218         uint32_t 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         uint32_t parameter;
 261 } __packed;
 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         uint16_t seq_cnt;
 271         uint8_t  df_ctl;
 272         uint8_t  seq_id;
 273         uint16_t rx_id;
 274         uint16_t ox_id;
 275         uint32_t parameter;
 276 } __packed;
 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         /* uint32_t 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                         uint16_t entry_hdr;
 320                         uint8_t  sys_define;   /* System defined. */
 321                         uint8_t  entry_status; /* Entry Status.   */
 322                         uint32_t sys_define_2; /* System defined. */
 323                         target_id_t target;
 324                         uint16_t rx_id;
 325                         uint16_t flags;
 326                         uint16_t 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                         uint32_t data_length;
 333                         uint16_t lun;
 334                         uint8_t  initiator_port_name[WWN_SIZE]; /* on qla23xx */
 335                         uint16_t reserved_32[6];
 336                         uint16_t ox_id;
 337                 } isp2x;
 338                 struct {
 339                         uint16_t entry_hdr;
 340                         uint8_t  fcp_cmnd_len_low;
 341                         uint8_t  fcp_cmnd_len_high:4;
 342                         uint8_t  attr:4;
 343                         uint32_t 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                         uint32_t 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 (be32_to_cpu(get_unaligned((uint32_t *)
 383             &atio->u.isp24.fcp_cmnd.add_cdb[len * 4])));
 384 }
 385 
 386 #define CTIO_TYPE7 0x12 /* Continue target I/O entry (for 24xx) */
 387 
 388 /*
 389  * ISP queue -  Continue Target I/O (ATIO) type 7 entry (for 24xx) structure.
 390  *              This structure is sent to the ISP 24xx from the target driver.
 391  */
 392 
 393 struct ctio7_to_24xx {
 394         uint8_t  entry_type;                /* Entry type. */
 395         uint8_t  entry_count;               /* Entry count. */
 396         uint8_t  sys_define;                /* System defined. */
 397         uint8_t  entry_status;              /* Entry Status. */
 398         uint32_t handle;                    /* System defined handle */
 399         uint16_t nport_handle;
 400 #define CTIO7_NHANDLE_UNRECOGNIZED      0xFFFF
 401         uint16_t timeout;
 402         uint16_t dseg_count;                /* Data segment count. */
 403         uint8_t  vp_index;
 404         uint8_t  add_flags;
 405         le_id_t  initiator_id;
 406         uint8_t  reserved;
 407         uint32_t exchange_addr;
 408         union {
 409                 struct {
 410                         uint16_t reserved1;
 411                         __le16 flags;
 412                         uint32_t residual;
 413                         __le16 ox_id;
 414                         uint16_t scsi_status;
 415                         uint32_t relative_offset;
 416                         uint32_t reserved2;
 417                         uint32_t transfer_length;
 418                         uint32_t reserved3;
 419                         struct dsd64 dsd;
 420                 } status0;
 421                 struct {
 422                         uint16_t sense_length;
 423                         __le16 flags;
 424                         uint32_t residual;
 425                         __le16 ox_id;
 426                         uint16_t scsi_status;
 427                         uint16_t response_len;
 428                         uint16_t reserved;
 429                         uint8_t sense_data[24];
 430                 } status1;
 431         } u;
 432 } __packed;
 433 
 434 /*
 435  * ISP queue - CTIO type 7 from ISP 24xx to target driver
 436  * returned entry structure.
 437  */
 438 struct ctio7_from_24xx {
 439         uint8_t  entry_type;                /* Entry type. */
 440         uint8_t  entry_count;               /* Entry count. */
 441         uint8_t  sys_define;                /* System defined. */
 442         uint8_t  entry_status;              /* Entry Status. */
 443         uint32_t handle;                    /* System defined handle */
 444         uint16_t status;
 445         uint16_t timeout;
 446         uint16_t dseg_count;                /* Data segment count. */
 447         uint8_t  vp_index;
 448         uint8_t  reserved1[5];
 449         uint32_t exchange_address;
 450         uint16_t reserved2;
 451         uint16_t flags;
 452         uint32_t residual;
 453         uint16_t ox_id;
 454         uint16_t reserved3;
 455         uint32_t relative_offset;
 456         uint8_t  reserved4[24];
 457 } __packed;
 458 
 459 /* CTIO7 flags values */
 460 #define CTIO7_FLAGS_SEND_STATUS         BIT_15
 461 #define CTIO7_FLAGS_TERMINATE           BIT_14
 462 #define CTIO7_FLAGS_CONFORM_REQ         BIT_13
 463 #define CTIO7_FLAGS_DONT_RET_CTIO       BIT_8
 464 #define CTIO7_FLAGS_STATUS_MODE_0       0
 465 #define CTIO7_FLAGS_STATUS_MODE_1       BIT_6
 466 #define CTIO7_FLAGS_STATUS_MODE_2       BIT_7
 467 #define CTIO7_FLAGS_EXPLICIT_CONFORM    BIT_5
 468 #define CTIO7_FLAGS_CONFIRM_SATISF      BIT_4
 469 #define CTIO7_FLAGS_DSD_PTR             BIT_2
 470 #define CTIO7_FLAGS_DATA_IN             BIT_1 /* data to initiator */
 471 #define CTIO7_FLAGS_DATA_OUT            BIT_0 /* data from initiator */
 472 
 473 #define ELS_PLOGI                       0x3
 474 #define ELS_FLOGI                       0x4
 475 #define ELS_LOGO                        0x5
 476 #define ELS_PRLI                        0x20
 477 #define ELS_PRLO                        0x21
 478 #define ELS_TPRLO                       0x24
 479 #define ELS_PDISC                       0x50
 480 #define ELS_ADISC                       0x52
 481 
 482 /*
 483  *CTIO Type CRC_2 IOCB
 484  */
 485 struct ctio_crc2_to_fw {
 486         uint8_t entry_type;             /* Entry type. */
 487 #define CTIO_CRC2 0x7A
 488         uint8_t entry_count;            /* Entry count. */
 489         uint8_t sys_define;             /* System defined. */
 490         uint8_t entry_status;           /* Entry Status. */
 491 
 492         uint32_t handle;                /* System handle. */
 493         uint16_t nport_handle;          /* N_PORT handle. */
 494         __le16 timeout;         /* Command timeout. */
 495 
 496         uint16_t dseg_count;            /* Data segment count. */
 497         uint8_t  vp_index;
 498         uint8_t  add_flags;             /* additional flags */
 499 #define CTIO_CRC2_AF_DIF_DSD_ENA BIT_3
 500 
 501         le_id_t  initiator_id;          /* initiator ID */
 502         uint8_t  reserved1;
 503         uint32_t exchange_addr;         /* rcv exchange address */
 504         uint16_t reserved2;
 505         __le16 flags;                   /* refer to CTIO7 flags values */
 506         uint32_t residual;
 507         __le16 ox_id;
 508         uint16_t scsi_status;
 509         __le32 relative_offset;
 510         uint32_t reserved5;
 511         __le32 transfer_length;         /* total fc transfer length */
 512         uint32_t reserved6;
 513         __le64   crc_context_address __packed; /* Data segment address. */
 514         uint16_t crc_context_len;       /* Data segment length. */
 515         uint16_t reserved_1;            /* MUST be set to 0. */
 516 };
 517 
 518 /* CTIO Type CRC_x Status IOCB */
 519 struct ctio_crc_from_fw {
 520         uint8_t entry_type;             /* Entry type. */
 521         uint8_t entry_count;            /* Entry count. */
 522         uint8_t sys_define;             /* System defined. */
 523         uint8_t entry_status;           /* Entry Status. */
 524 
 525         uint32_t handle;                /* System handle. */
 526         uint16_t status;
 527         uint16_t timeout;               /* Command timeout. */
 528         uint16_t dseg_count;            /* Data segment count. */
 529         uint32_t reserved1;
 530         uint16_t state_flags;
 531 #define CTIO_CRC_SF_DIF_CHOPPED BIT_4
 532 
 533         uint32_t exchange_address;      /* rcv exchange address */
 534         uint16_t reserved2;
 535         uint16_t flags;
 536         uint32_t resid_xfer_length;
 537         uint16_t ox_id;
 538         uint8_t  reserved3[12];
 539         uint16_t runt_guard;            /* reported runt blk guard */
 540         uint8_t  actual_dif[8];
 541         uint8_t  expected_dif[8];
 542 } __packed;
 543 
 544 /*
 545  * ISP queue - ABTS received/response entries structure definition for 24xx.
 546  */
 547 #define ABTS_RECV_24XX          0x54 /* ABTS received (for 24xx) */
 548 #define ABTS_RESP_24XX          0x55 /* ABTS responce (for 24xx) */
 549 
 550 /*
 551  * ISP queue -  ABTS received IOCB entry structure definition for 24xx.
 552  *              The ABTS BLS received from the wire is sent to the
 553  *              target driver by the ISP 24xx.
 554  *              The IOCB is placed on the response queue.
 555  */
 556 struct abts_recv_from_24xx {
 557         uint8_t  entry_type;                /* Entry type. */
 558         uint8_t  entry_count;               /* Entry count. */
 559         uint8_t  sys_define;                /* System defined. */
 560         uint8_t  entry_status;              /* Entry Status. */
 561         uint8_t  reserved_1[6];
 562         uint16_t nport_handle;
 563         uint8_t  reserved_2[2];
 564         uint8_t  vp_index;
 565         uint8_t  reserved_3:4;
 566         uint8_t  sof_type:4;
 567         uint32_t exchange_address;
 568         struct fcp_hdr_le fcp_hdr_le;
 569         uint8_t  reserved_4[16];
 570         uint32_t exchange_addr_to_abort;
 571 } __packed;
 572 
 573 #define ABTS_PARAM_ABORT_SEQ            BIT_0
 574 
 575 struct ba_acc_le {
 576         uint16_t reserved;
 577         uint8_t  seq_id_last;
 578         uint8_t  seq_id_valid;
 579 #define SEQ_ID_VALID    0x80
 580 #define SEQ_ID_INVALID  0x00
 581         uint16_t rx_id;
 582         uint16_t ox_id;
 583         uint16_t high_seq_cnt;
 584         uint16_t low_seq_cnt;
 585 } __packed;
 586 
 587 struct ba_rjt_le {
 588         uint8_t vendor_uniq;
 589         uint8_t reason_expl;
 590         uint8_t reason_code;
 591 #define BA_RJT_REASON_CODE_INVALID_COMMAND      0x1
 592 #define BA_RJT_REASON_CODE_UNABLE_TO_PERFORM    0x9
 593         uint8_t reserved;
 594 } __packed;
 595 
 596 /*
 597  * ISP queue -  ABTS Response IOCB entry structure definition for 24xx.
 598  *              The ABTS response to the ABTS received is sent by the
 599  *              target driver to the ISP 24xx.
 600  *              The IOCB is placed on the request queue.
 601  */
 602 struct abts_resp_to_24xx {
 603         uint8_t  entry_type;                /* Entry type. */
 604         uint8_t  entry_count;               /* Entry count. */
 605         uint8_t  sys_define;                /* System defined. */
 606         uint8_t  entry_status;              /* Entry Status. */
 607         uint32_t handle;
 608         uint16_t reserved_1;
 609         uint16_t nport_handle;
 610         uint16_t control_flags;
 611 #define ABTS_CONTR_FLG_TERM_EXCHG       BIT_0
 612         uint8_t  vp_index;
 613         uint8_t  reserved_3:4;
 614         uint8_t  sof_type:4;
 615         uint32_t exchange_address;
 616         struct fcp_hdr_le fcp_hdr_le;
 617         union {
 618                 struct ba_acc_le ba_acct;
 619                 struct ba_rjt_le ba_rjt;
 620         } __packed payload;
 621         uint32_t reserved_4;
 622         uint32_t exchange_addr_to_abort;
 623 } __packed;
 624 
 625 /*
 626  * ISP queue -  ABTS Response IOCB from ISP24xx Firmware entry structure.
 627  *              The ABTS response with completion status to the ABTS response
 628  *              (sent by the target driver to the ISP 24xx) is sent by the
 629  *              ISP24xx firmware to the target driver.
 630  *              The IOCB is placed on the response queue.
 631  */
 632 struct abts_resp_from_24xx_fw {
 633         uint8_t  entry_type;                /* Entry type. */
 634         uint8_t  entry_count;               /* Entry count. */
 635         uint8_t  sys_define;                /* System defined. */
 636         uint8_t  entry_status;              /* Entry Status. */
 637         uint32_t handle;
 638         uint16_t compl_status;
 639 #define ABTS_RESP_COMPL_SUCCESS         0
 640 #define ABTS_RESP_COMPL_SUBCODE_ERROR   0x31
 641         uint16_t nport_handle;
 642         uint16_t reserved_1;
 643         uint8_t  reserved_2;
 644         uint8_t  reserved_3:4;
 645         uint8_t  sof_type:4;
 646         uint32_t exchange_address;
 647         struct fcp_hdr_le fcp_hdr_le;
 648         uint8_t reserved_4[8];
 649         uint32_t error_subcode1;
 650 #define ABTS_RESP_SUBCODE_ERR_ABORTED_EXCH_NOT_TERM     0x1E
 651         uint32_t error_subcode2;
 652         uint32_t exchange_addr_to_abort;
 653 } __packed;
 654 
 655 /********************************************************************\
 656  * Type Definitions used by initiator & target halves
 657 \********************************************************************/
 658 
 659 struct qla_tgt_mgmt_cmd;
 660 struct fc_port;
 661 struct qla_tgt_cmd;
 662 
 663 /*
 664  * This structure provides a template of function calls that the
 665  * target driver (from within qla_target.c) can issue to the
 666  * target module (tcm_qla2xxx).
 667  */
 668 struct qla_tgt_func_tmpl {
 669         struct qla_tgt_cmd *(*find_cmd_by_tag)(struct fc_port *, uint64_t);
 670         int (*handle_cmd)(struct scsi_qla_host *, struct qla_tgt_cmd *,
 671                         unsigned char *, uint32_t, int, int, int);
 672         void (*handle_data)(struct qla_tgt_cmd *);
 673         int (*handle_tmr)(struct qla_tgt_mgmt_cmd *, u64, uint16_t,
 674                         uint32_t);
 675         void (*free_cmd)(struct qla_tgt_cmd *);
 676         void (*free_mcmd)(struct qla_tgt_mgmt_cmd *);
 677         void (*free_session)(struct fc_port *);
 678 
 679         int (*check_initiator_node_acl)(struct scsi_qla_host *, unsigned char *,
 680                                         struct fc_port *);
 681         void (*update_sess)(struct fc_port *, port_id_t, uint16_t, bool);
 682         struct fc_port *(*find_sess_by_loop_id)(struct scsi_qla_host *,
 683                                                 const uint16_t);
 684         struct fc_port *(*find_sess_by_s_id)(struct scsi_qla_host *,
 685                                              const be_id_t);
 686         void (*clear_nacl_from_fcport_map)(struct fc_port *);
 687         void (*put_sess)(struct fc_port *);
 688         void (*shutdown_sess)(struct fc_port *);
 689         int (*get_dif_tags)(struct qla_tgt_cmd *cmd, uint16_t *pfw_prot_opts);
 690         int (*chk_dif_tags)(uint32_t tag);
 691         void (*add_target)(struct scsi_qla_host *);
 692         void (*remove_target)(struct scsi_qla_host *);
 693 };
 694 
 695 int qla2x00_wait_for_hba_online(struct scsi_qla_host *);
 696 
 697 #include <target/target_core_base.h>
 698 
 699 #define QLA_TGT_TIMEOUT                 10      /* in seconds */
 700 
 701 #define QLA_TGT_MAX_HW_PENDING_TIME     60 /* in seconds */
 702 
 703 /* Immediate notify status constants */
 704 #define IMM_NTFY_LIP_RESET          0x000E
 705 #define IMM_NTFY_LIP_LINK_REINIT    0x000F
 706 #define IMM_NTFY_IOCB_OVERFLOW      0x0016
 707 #define IMM_NTFY_ABORT_TASK         0x0020
 708 #define IMM_NTFY_PORT_LOGOUT        0x0029
 709 #define IMM_NTFY_PORT_CONFIG        0x002A
 710 #define IMM_NTFY_GLBL_TPRLO         0x002D
 711 #define IMM_NTFY_GLBL_LOGO          0x002E
 712 #define IMM_NTFY_RESOURCE           0x0034
 713 #define IMM_NTFY_MSG_RX             0x0036
 714 #define IMM_NTFY_SRR                0x0045
 715 #define IMM_NTFY_ELS                0x0046
 716 
 717 /* Immediate notify task flags */
 718 #define IMM_NTFY_TASK_MGMT_SHIFT    8
 719 
 720 #define QLA_TGT_CLEAR_ACA               0x40
 721 #define QLA_TGT_TARGET_RESET            0x20
 722 #define QLA_TGT_LUN_RESET               0x10
 723 #define QLA_TGT_CLEAR_TS                0x04
 724 #define QLA_TGT_ABORT_TS                0x02
 725 #define QLA_TGT_ABORT_ALL_SESS          0xFFFF
 726 #define QLA_TGT_ABORT_ALL               0xFFFE
 727 #define QLA_TGT_NEXUS_LOSS_SESS         0xFFFD
 728 #define QLA_TGT_NEXUS_LOSS              0xFFFC
 729 #define QLA_TGT_ABTS                    0xFFFB
 730 #define QLA_TGT_2G_ABORT_TASK           0xFFFA
 731 
 732 /* Notify Acknowledge flags */
 733 #define NOTIFY_ACK_RES_COUNT        BIT_8
 734 #define NOTIFY_ACK_CLEAR_LIP_RESET  BIT_5
 735 #define NOTIFY_ACK_TM_RESP_CODE_VALID BIT_4
 736 
 737 /* Command's states */
 738 #define QLA_TGT_STATE_NEW               0 /* New command + target processing */
 739 #define QLA_TGT_STATE_NEED_DATA         1 /* target needs data to continue */
 740 #define QLA_TGT_STATE_DATA_IN           2 /* Data arrived + target processing */
 741 #define QLA_TGT_STATE_PROCESSED         3 /* target done processing */
 742 
 743 /* ATIO task_codes field */
 744 #define ATIO_SIMPLE_QUEUE           0
 745 #define ATIO_HEAD_OF_QUEUE          1
 746 #define ATIO_ORDERED_QUEUE          2
 747 #define ATIO_ACA_QUEUE              4
 748 #define ATIO_UNTAGGED               5
 749 
 750 /* TM failed response codes, see FCP (9.4.11 FCP_RSP_INFO) */
 751 #define FC_TM_SUCCESS               0
 752 #define FC_TM_BAD_FCP_DATA          1
 753 #define FC_TM_BAD_CMD               2
 754 #define FC_TM_FCP_DATA_MISMATCH     3
 755 #define FC_TM_REJECT                4
 756 #define FC_TM_FAILED                5
 757 
 758 #define QLA_TGT_SENSE_VALID(sense)  ((sense != NULL) && \
 759                                 (((const uint8_t *)(sense))[0] & 0x70) == 0x70)
 760 
 761 struct qla_port_24xx_data {
 762         uint8_t port_name[WWN_SIZE];
 763         uint16_t loop_id;
 764         uint16_t reserved;
 765 };
 766 
 767 struct qla_qpair_hint {
 768         struct list_head hint_elem;
 769         struct qla_qpair *qpair;
 770         u16 cpuid;
 771         uint8_t cmd_cnt;
 772 };
 773 
 774 struct qla_tgt {
 775         struct scsi_qla_host *vha;
 776         struct qla_hw_data *ha;
 777         struct btree_head64 lun_qpair_map;
 778         struct qla_qpair_hint *qphints;
 779         /*
 780          * To sync between IRQ handlers and qlt_target_release(). Needed,
 781          * because req_pkt() can drop/reaquire HW lock inside. Protected by
 782          * HW lock.
 783          */
 784         int atio_irq_cmd_count;
 785 
 786         int sg_tablesize;
 787 
 788         /* Target's flags, serialized by pha->hardware_lock */
 789         unsigned int link_reinit_iocb_pending:1;
 790 
 791         /*
 792          * Protected by tgt_mutex AND hardware_lock for writing and tgt_mutex
 793          * OR hardware_lock for reading.
 794          */
 795         int tgt_stop; /* the target mode driver is being stopped */
 796         int tgt_stopped; /* the target mode driver has been stopped */
 797 
 798         /* Count of sessions refering qla_tgt. Protected by hardware_lock. */
 799         int sess_count;
 800 
 801         /* Protected by hardware_lock */
 802         struct list_head del_sess_list;
 803 
 804         spinlock_t sess_work_lock;
 805         struct list_head sess_works_list;
 806         struct work_struct sess_work;
 807 
 808         struct imm_ntfy_from_isp link_reinit_iocb;
 809         wait_queue_head_t waitQ;
 810         int notify_ack_expected;
 811         int abts_resp_expected;
 812         int modify_lun_expected;
 813         atomic_t tgt_global_resets_count;
 814         struct list_head tgt_list_entry;
 815 };
 816 
 817 struct qla_tgt_sess_op {
 818         struct scsi_qla_host *vha;
 819         uint32_t chip_reset;
 820         struct atio_from_isp atio;
 821         struct work_struct work;
 822         struct list_head cmd_list;
 823         bool aborted;
 824         struct rsp_que *rsp;
 825 };
 826 
 827 enum trace_flags {
 828         TRC_NEW_CMD = BIT_0,
 829         TRC_DO_WORK = BIT_1,
 830         TRC_DO_WORK_ERR = BIT_2,
 831         TRC_XFR_RDY = BIT_3,
 832         TRC_XMIT_DATA = BIT_4,
 833         TRC_XMIT_STATUS = BIT_5,
 834         TRC_SRR_RSP =  BIT_6,
 835         TRC_SRR_XRDY = BIT_7,
 836         TRC_SRR_TERM = BIT_8,
 837         TRC_SRR_CTIO = BIT_9,
 838         TRC_FLUSH = BIT_10,
 839         TRC_CTIO_ERR = BIT_11,
 840         TRC_CTIO_DONE = BIT_12,
 841         TRC_CTIO_ABORTED =  BIT_13,
 842         TRC_CTIO_STRANGE = BIT_14,
 843         TRC_CMD_DONE = BIT_15,
 844         TRC_CMD_CHK_STOP = BIT_16,
 845         TRC_CMD_FREE = BIT_17,
 846         TRC_DATA_IN = BIT_18,
 847         TRC_ABORT = BIT_19,
 848         TRC_DIF_ERR = BIT_20,
 849 };
 850 
 851 struct qla_tgt_cmd {
 852         /*
 853          * Do not move cmd_type field. it needs to line up with srb->cmd_type
 854          */
 855         uint8_t cmd_type;
 856         uint8_t pad[7];
 857         struct se_cmd se_cmd;
 858         struct fc_port *sess;
 859         struct qla_qpair *qpair;
 860         uint32_t reset_count;
 861         int state;
 862         struct work_struct work;
 863         /* Sense buffer that will be mapped into outgoing status */
 864         unsigned char sense_buffer[TRANSPORT_SENSE_BUFFER];
 865 
 866         spinlock_t cmd_lock;
 867         /* to save extra sess dereferences */
 868         unsigned int conf_compl_supported:1;
 869         unsigned int sg_mapped:1;
 870         unsigned int free_sg:1;
 871         unsigned int write_data_transferred:1;
 872         unsigned int q_full:1;
 873         unsigned int term_exchg:1;
 874         unsigned int cmd_sent_to_fw:1;
 875         unsigned int cmd_in_wq:1;
 876 
 877         /*
 878          * This variable may be set from outside the LIO and I/O completion
 879          * callback functions. Do not declare this member variable as a
 880          * bitfield to avoid a read-modify-write operation when this variable
 881          * is set.
 882          */
 883         unsigned int aborted;
 884 
 885         struct scatterlist *sg; /* cmd data buffer SG vector */
 886         int sg_cnt;             /* SG segments count */
 887         int bufflen;            /* cmd buffer length */
 888         int offset;
 889         u64 unpacked_lun;
 890         enum dma_data_direction dma_data_direction;
 891 
 892         uint16_t ctio_flags;
 893         uint16_t vp_idx;
 894         uint16_t loop_id;       /* to save extra sess dereferences */
 895         struct qla_tgt *tgt;    /* to save extra sess dereferences */
 896         struct scsi_qla_host *vha;
 897         struct list_head cmd_list;
 898 
 899         struct atio_from_isp atio;
 900 
 901         uint8_t ctx_dsd_alloced;
 902 
 903         /* T10-DIF */
 904 #define DIF_ERR_NONE 0
 905 #define DIF_ERR_GRD 1
 906 #define DIF_ERR_REF 2
 907 #define DIF_ERR_APP 3
 908         int8_t dif_err_code;
 909         struct scatterlist *prot_sg;
 910         uint32_t prot_sg_cnt;
 911         uint32_t blk_sz, num_blks;
 912         uint8_t scsi_status, sense_key, asc, ascq;
 913 
 914         struct crc_context *ctx;
 915         const uint8_t   *cdb;
 916         uint64_t        lba;
 917         uint16_t        a_guard, e_guard, a_app_tag, e_app_tag;
 918         uint32_t        a_ref_tag, e_ref_tag;
 919 #define DIF_BUNDL_DMA_VALID 1
 920         uint16_t prot_flags;
 921 
 922         uint64_t jiffies_at_alloc;
 923         uint64_t jiffies_at_free;
 924 
 925         enum trace_flags trc_flags;
 926 };
 927 
 928 struct qla_tgt_sess_work_param {
 929         struct list_head sess_works_list_entry;
 930 
 931 #define QLA_TGT_SESS_WORK_ABORT 1
 932 #define QLA_TGT_SESS_WORK_TM    2
 933         int type;
 934 
 935         union {
 936                 struct abts_recv_from_24xx abts;
 937                 struct imm_ntfy_from_isp tm_iocb;
 938                 struct atio_from_isp tm_iocb2;
 939         };
 940 };
 941 
 942 struct qla_tgt_mgmt_cmd {
 943         uint8_t cmd_type;
 944         uint8_t pad[3];
 945         uint16_t tmr_func;
 946         uint8_t fc_tm_rsp;
 947         uint8_t abort_io_attr;
 948         struct fc_port *sess;
 949         struct qla_qpair *qpair;
 950         struct scsi_qla_host *vha;
 951         struct se_cmd se_cmd;
 952         struct work_struct free_work;
 953         unsigned int flags;
 954 #define QLA24XX_MGMT_SEND_NACK  BIT_0
 955 #define QLA24XX_MGMT_ABORT_IO_ATTR_VALID BIT_1
 956         uint32_t reset_count;
 957         struct work_struct work;
 958         uint64_t unpacked_lun;
 959         union {
 960                 struct atio_from_isp atio;
 961                 struct imm_ntfy_from_isp imm_ntfy;
 962                 struct abts_recv_from_24xx abts;
 963         } __packed orig_iocb;
 964 };
 965 
 966 struct qla_tgt_prm {
 967         struct qla_tgt_cmd *cmd;
 968         struct qla_tgt *tgt;
 969         void *pkt;
 970         struct scatterlist *sg; /* cmd data buffer SG vector */
 971         unsigned char *sense_buffer;
 972         int seg_cnt;
 973         int req_cnt;
 974         uint16_t rq_result;
 975         int sense_buffer_len;
 976         int residual;
 977         int add_status_pkt;
 978         /* dif */
 979         struct scatterlist *prot_sg;
 980         uint16_t prot_seg_cnt;
 981         uint16_t tot_dsds;
 982 };
 983 
 984 /* Check for Switch reserved address */
 985 #define IS_SW_RESV_ADDR(_s_id) \
 986         ((_s_id.b.domain == 0xff) && ((_s_id.b.area & 0xf0) == 0xf0))
 987 
 988 #define QLA_TGT_XMIT_DATA               1
 989 #define QLA_TGT_XMIT_STATUS             2
 990 #define QLA_TGT_XMIT_ALL                (QLA_TGT_XMIT_STATUS|QLA_TGT_XMIT_DATA)
 991 
 992 
 993 extern struct qla_tgt_data qla_target;
 994 
 995 /*
 996  * Function prototypes for qla_target.c logic used by qla2xxx LLD code.
 997  */
 998 extern int qlt_add_target(struct qla_hw_data *, struct scsi_qla_host *);
 999 extern int qlt_remove_target(struct qla_hw_data *, struct scsi_qla_host *);
1000 extern int qlt_lport_register(void *, u64, u64, u64,
1001                         int (*callback)(struct scsi_qla_host *, void *, u64, u64));
1002 extern void qlt_lport_deregister(struct scsi_qla_host *);
1003 extern void qlt_unreg_sess(struct fc_port *);
1004 extern void qlt_fc_port_added(struct scsi_qla_host *, fc_port_t *);
1005 extern void qlt_fc_port_deleted(struct scsi_qla_host *, fc_port_t *, int);
1006 extern int __init qlt_init(void);
1007 extern void qlt_exit(void);
1008 extern void qlt_update_vp_map(struct scsi_qla_host *, int);
1009 extern void qlt_free_session_done(struct work_struct *);
1010 /*
1011  * This macro is used during early initializations when host->active_mode
1012  * is not set. Right now, ha value is ignored.
1013  */
1014 #define QLA_TGT_MODE_ENABLED() (ql2x_ini_mode != QLA2XXX_INI_MODE_ENABLED)
1015 
1016 extern int ql2x_ini_mode;
1017 
1018 static inline bool qla_tgt_mode_enabled(struct scsi_qla_host *ha)
1019 {
1020         return ha->host->active_mode == MODE_TARGET;
1021 }
1022 
1023 static inline bool qla_ini_mode_enabled(struct scsi_qla_host *ha)
1024 {
1025         return ha->host->active_mode == MODE_INITIATOR;
1026 }
1027 
1028 static inline bool qla_dual_mode_enabled(struct scsi_qla_host *ha)
1029 {
1030         return (ha->host->active_mode == MODE_DUAL);
1031 }
1032 
1033 static inline uint32_t sid_to_key(const be_id_t s_id)
1034 {
1035         return s_id.domain << 16 |
1036                 s_id.area << 8 |
1037                 s_id.al_pa;
1038 }
1039 
1040 /*
1041  * Exported symbols from qla_target.c LLD logic used by qla2xxx code..
1042  */
1043 extern void qlt_response_pkt_all_vps(struct scsi_qla_host *, struct rsp_que *,
1044         response_t *);
1045 extern int qlt_rdy_to_xfer(struct qla_tgt_cmd *);
1046 extern int qlt_xmit_response(struct qla_tgt_cmd *, int, uint8_t);
1047 extern int qlt_abort_cmd(struct qla_tgt_cmd *);
1048 extern void qlt_xmit_tm_rsp(struct qla_tgt_mgmt_cmd *);
1049 extern void qlt_free_mcmd(struct qla_tgt_mgmt_cmd *);
1050 extern void qlt_free_cmd(struct qla_tgt_cmd *cmd);
1051 extern void qlt_async_event(uint16_t, struct scsi_qla_host *, uint16_t *);
1052 extern void qlt_enable_vha(struct scsi_qla_host *);
1053 extern void qlt_vport_create(struct scsi_qla_host *, struct qla_hw_data *);
1054 extern u8 qlt_rff_id(struct scsi_qla_host *);
1055 extern void qlt_init_atio_q_entries(struct scsi_qla_host *);
1056 extern void qlt_24xx_process_atio_queue(struct scsi_qla_host *, uint8_t);
1057 extern void qlt_24xx_config_rings(struct scsi_qla_host *);
1058 extern void qlt_24xx_config_nvram_stage1(struct scsi_qla_host *,
1059         struct nvram_24xx *);
1060 extern void qlt_24xx_config_nvram_stage2(struct scsi_qla_host *,
1061         struct init_cb_24xx *);
1062 extern void qlt_81xx_config_nvram_stage2(struct scsi_qla_host *,
1063         struct init_cb_81xx *);
1064 extern void qlt_81xx_config_nvram_stage1(struct scsi_qla_host *,
1065         struct nvram_81xx *);
1066 extern int qlt_24xx_process_response_error(struct scsi_qla_host *,
1067         struct sts_entry_24xx *);
1068 extern void qlt_modify_vp_config(struct scsi_qla_host *,
1069         struct vp_config_entry_24xx *);
1070 extern void qlt_probe_one_stage1(struct scsi_qla_host *, struct qla_hw_data *);
1071 extern int qlt_mem_alloc(struct qla_hw_data *);
1072 extern void qlt_mem_free(struct qla_hw_data *);
1073 extern int qlt_stop_phase1(struct qla_tgt *);
1074 extern void qlt_stop_phase2(struct qla_tgt *);
1075 extern irqreturn_t qla83xx_msix_atio_q(int, void *);
1076 extern void qlt_83xx_iospace_config(struct qla_hw_data *);
1077 extern int qlt_free_qfull_cmds(struct qla_qpair *);
1078 extern void qlt_logo_completion_handler(fc_port_t *, int);
1079 extern void qlt_do_generation_tick(struct scsi_qla_host *, int *);
1080 
1081 void qlt_send_resp_ctio(struct qla_qpair *, struct qla_tgt_cmd *, uint8_t,
1082     uint8_t, uint8_t, uint8_t);
1083 
1084 #endif /* __QLA_TARGET_H */

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