drivers/scsi/qla2xxx/qla_target.h

   1 /*
   2  *  Copyright (C) 2004 - 2010 Vladislav Bolkhovitin <vst@vlnb.net>
   3  *  Copyright (C) 2004 - 2005 Leonid Stoljar
   4  *  Copyright (C) 2006 Nathaniel Clark <nate@misrule.us>
   5  *  Copyright (C) 2007 - 2010 ID7 Ltd.
   6  *
   7  *  Forward port and refactoring to modern qla2xxx and target/configfs
   8  *
   9  *  Copyright (C) 2010-2011 Nicholas A. Bellinger <nab@kernel.org>
  10  *
  11  *  Additional file for the target driver support.
  12  *
  13  *  This program is free software; you can redistribute it and/or
  14  *  modify it under the terms of the GNU General Public License
  15  *  as published by the Free Software Foundation; either version 2
  16  *  of the License, or (at your option) any later version.
  17  *
  18  *  This program is distributed in the hope that it will be useful,
  19  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  21  *  GNU General Public License for more details.
  22  */
  23 /*
  24  * This is the global def file that is useful for including from the
  25  * target portion.
  26  */
  27
  28 #ifndef __QLA_TARGET_H
  29 #define __QLA_TARGET_H
  30
  31 #include "qla_def.h"
  32
  33 /*
  34  * Must be changed on any change in any initiator visible interfaces or
  35  * data in the target add-on
  36  */
  37 #define QLA2XXX_TARGET_MAGIC    269
  38
  39 /*
  40  * Must be changed on any change in any target visible interfaces or
  41  * data in the initiator
  42  */
  43 #define QLA2XXX_INITIATOR_MAGIC   57222
  44
  45 #define QLA2XXX_INI_MODE_STR_EXCLUSIVE  "exclusive"
  46 #define QLA2XXX_INI_MODE_STR_DISABLED   "disabled"
  47 #define QLA2XXX_INI_MODE_STR_ENABLED    "enabled"
  48
  49 #define QLA2XXX_INI_MODE_EXCLUSIVE      0
  50 #define QLA2XXX_INI_MODE_DISABLED       1
  51 #define QLA2XXX_INI_MODE_ENABLED        2
  52
  53 #define QLA2XXX_COMMAND_COUNT_INIT      250
  54 #define QLA2XXX_IMMED_NOTIFY_COUNT_INIT 250
  55
  56 /*
  57  * Used to mark which completion handles (for RIO Status's) are for CTIO's
  58  * vs. regular (non-target) info. This is checked for in
  59  * qla2x00_process_response_queue() to see if a handle coming back in a
  60  * multi-complete should come to the tgt driver or be handled there by qla2xxx
  61  */
  62 #define CTIO_COMPLETION_HANDLE_MARK     BIT_29
  63 #if (CTIO_COMPLETION_HANDLE_MARK <= DEFAULT_OUTSTANDING_COMMANDS)
  64 #error "CTIO_COMPLETION_HANDLE_MARK not larger than "
  65         "DEFAULT_OUTSTANDING_COMMANDS"
  66 #endif
  67 #define HANDLE_IS_CTIO_COMP(h) (h & CTIO_COMPLETION_HANDLE_MARK)
  68
  69 /* Used to mark CTIO as intermediate */
  70 #define CTIO_INTERMEDIATE_HANDLE_MARK   BIT_30
  71
  72 #ifndef OF_SS_MODE_0
  73 /*
  74  * ISP target entries - Flags bit definitions.
  75  */
  76 #define OF_SS_MODE_0        0
  77 #define OF_SS_MODE_1        1
  78 #define OF_SS_MODE_2        2
  79 #define OF_SS_MODE_3        3
  80
  81 #define OF_EXPL_CONF        BIT_5       /* Explicit Confirmation Requested */
  82 #define OF_DATA_IN          BIT_6       /* Data in to initiator */
  83                                         /*  (data from target to initiator) */
  84 #define OF_DATA_OUT         BIT_7       /* Data out from initiator */
  85                                         /*  (data from initiator to target) */
  86 #define OF_NO_DATA          (BIT_7 | BIT_6)
  87 #define OF_INC_RC           BIT_8       /* Increment command resource count */
  88 #define OF_FAST_POST        BIT_9       /* Enable mailbox fast posting. */
  89 #define OF_CONF_REQ         BIT_13      /* Confirmation Requested */
  90 #define OF_TERM_EXCH        BIT_14      /* Terminate exchange */
  91 #define OF_SSTS             BIT_15      /* Send SCSI status */
  92 #endif
  93
  94 #ifndef QLA_TGT_DATASEGS_PER_CMD32
  95 #define QLA_TGT_DATASEGS_PER_CMD32      3
  96 #define QLA_TGT_DATASEGS_PER_CONT32     7
  97 #define QLA_TGT_MAX_SG32(ql) \
  98         (((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD32 + \
  99                 QLA_TGT_DATASEGS_PER_CONT32*((ql) - 1)) : 0)
 100
 101 #define QLA_TGT_DATASEGS_PER_CMD64      2
 102 #define QLA_TGT_DATASEGS_PER_CONT64     5
 103 #define QLA_TGT_MAX_SG64(ql) \
 104         (((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD64 + \
 105                 QLA_TGT_DATASEGS_PER_CONT64*((ql) - 1)) : 0)
 106 #endif
 107
 108 #ifndef QLA_TGT_DATASEGS_PER_CMD_24XX
 109 #define QLA_TGT_DATASEGS_PER_CMD_24XX   1
 110 #define QLA_TGT_DATASEGS_PER_CONT_24XX  5
 111 #define QLA_TGT_MAX_SG_24XX(ql) \
 112         (min(1270, ((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD_24XX + \
 113                 QLA_TGT_DATASEGS_PER_CONT_24XX*((ql) - 1)) : 0))
 114 #endif
 115 #endif
 116
 117 #define GET_TARGET_ID(ha, iocb) ((HAS_EXTENDED_IDS(ha))                 \
 118                          ? le16_to_cpu((iocb)->u.isp2x.target.extended) \
 119                          : (uint16_t)(iocb)->u.isp2x.target.id.standard)
 120
 121 #ifndef IMMED_NOTIFY_TYPE
 122 #define IMMED_NOTIFY_TYPE 0x0D          /* Immediate notify entry. */
 123 /*
 124  * ISP queue -  immediate notify entry structure definition.
 125  *              This is sent by the ISP to the Target driver.
 126  *              This IOCB would have report of events sent by the
 127  *              initiator, that needs to be handled by the target
 128  *              driver immediately.
 129  */
 130 struct imm_ntfy_from_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                         uint32_t sys_define_2; /* System defined. */
 138                         target_id_t target;
 139                         uint16_t lun;
 140                         uint8_t  target_id;
 141                         uint8_t  reserved_1;
 142                         uint16_t status_modifier;
 143                         uint16_t status;
 144                         uint16_t task_flags;
 145                         uint16_t seq_id;
 146                         uint16_t srr_rx_id;
 147                         uint32_t srr_rel_offs;
 148                         uint16_t srr_ui;
 149 #define SRR_IU_DATA_IN  0x1
 150 #define SRR_IU_DATA_OUT 0x5
 151 #define SRR_IU_STATUS   0x7
 152                         uint16_t srr_ox_id;
 153                         uint8_t reserved_2[28];
 154                 } isp2x;
 155                 struct {
 156                         uint32_t reserved;
 157                         uint16_t nport_handle;
 158                         uint16_t reserved_2;
 159                         uint16_t flags;
 160 #define NOTIFY24XX_FLAGS_GLOBAL_TPRLO   BIT_1
 161 #define NOTIFY24XX_FLAGS_PUREX_IOCB     BIT_0
 162                         uint16_t srr_rx_id;
 163                         uint16_t status;
 164                         uint8_t  status_subcode;
 165                         uint8_t  fw_handle;
 166                         uint32_t exchange_address;
 167                         uint32_t srr_rel_offs;
 168                         uint16_t srr_ui;
 169                         uint16_t srr_ox_id;
 170                         uint8_t  reserved_4[19];
 171                         uint8_t  vp_index;
 172                         uint32_t reserved_5;
 173                         uint8_t  port_id[3];
 174                         uint8_t  reserved_6;
 175                 } isp24;
 176         } u;
 177         uint16_t reserved_7;
 178         uint16_t ox_id;
 179 } __packed;
 180 #endif
 181
 182 #ifndef NOTIFY_ACK_TYPE
 183 #define NOTIFY_ACK_TYPE 0x0E      /* Notify acknowledge entry. */
 184 /*
 185  * ISP queue -  notify acknowledge entry structure definition.
 186  *              This is sent to the ISP from the target driver.
 187  */
 188 struct nack_to_isp {
 189         uint8_t  entry_type;                /* Entry type. */
 190         uint8_t  entry_count;               /* Entry count. */
 191         uint8_t  sys_define;                /* System defined. */
 192         uint8_t  entry_status;              /* Entry Status. */
 193         union {
 194                 struct {
 195                         uint32_t sys_define_2; /* System defined. */
 196                         target_id_t target;
 197                         uint8_t  target_id;
 198                         uint8_t  reserved_1;
 199                         uint16_t flags;
 200                         uint16_t resp_code;
 201                         uint16_t status;
 202                         uint16_t task_flags;
 203                         uint16_t seq_id;
 204                         uint16_t srr_rx_id;
 205                         uint32_t srr_rel_offs;
 206                         uint16_t srr_ui;
 207                         uint16_t srr_flags;
 208                         uint16_t srr_reject_code;
 209                         uint8_t  srr_reject_vendor_uniq;
 210                         uint8_t  srr_reject_code_expl;
 211                         uint8_t  reserved_2[24];
 212                 } isp2x;
 213                 struct {
 214                         uint32_t handle;
 215                         uint16_t nport_handle;
 216                         uint16_t reserved_1;
 217                         uint16_t flags;
 218                         uint16_t srr_rx_id;
 219                         uint16_t status;
 220                         uint8_t  status_subcode;
 221                         uint8_t  fw_handle;
 222                         uint32_t exchange_address;
 223                         uint32_t srr_rel_offs;
 224                         uint16_t srr_ui;
 225                         uint16_t srr_flags;
 226                         uint8_t  reserved_4[19];
 227                         uint8_t  vp_index;
 228                         uint8_t  srr_reject_vendor_uniq;
 229                         uint8_t  srr_reject_code_expl;
 230                         uint8_t  srr_reject_code;
 231                         uint8_t  reserved_5[5];
 232                 } isp24;
 233         } u;
 234         uint8_t  reserved[2];
 235         uint16_t ox_id;
 236 } __packed;
 237 #define NOTIFY_ACK_SRR_FLAGS_ACCEPT     0
 238 #define NOTIFY_ACK_SRR_FLAGS_REJECT     1
 239
 240 #define NOTIFY_ACK_SRR_REJECT_REASON_UNABLE_TO_PERFORM  0x9
 241
 242 #define NOTIFY_ACK_SRR_FLAGS_REJECT_EXPL_NO_EXPL                0
 243 #define NOTIFY_ACK_SRR_FLAGS_REJECT_EXPL_UNABLE_TO_SUPPLY_DATA  0x2a
 244
 245 #define NOTIFY_ACK_SUCCESS      0x01
 246 #endif
 247
 248 #ifndef ACCEPT_TGT_IO_TYPE
 249 #define ACCEPT_TGT_IO_TYPE 0x16 /* Accept target I/O entry. */
 250 #endif
 251
 252 #ifndef CONTINUE_TGT_IO_TYPE
 253 #define CONTINUE_TGT_IO_TYPE 0x17
 254 /*
 255  * ISP queue -  Continue Target I/O (CTIO) entry for status mode 0 structure.
 256  *              This structure is sent to the ISP 2xxx from target driver.
 257  */
 258 struct ctio_to_2xxx {
 259         uint8_t  entry_type;            /* Entry type. */
 260         uint8_t  entry_count;           /* Entry count. */
 261         uint8_t  sys_define;            /* System defined. */
 262         uint8_t  entry_status;          /* Entry Status. */
 263         uint32_t handle;                /* System defined handle */
 264         target_id_t target;
 265         uint16_t rx_id;
 266         uint16_t flags;
 267         uint16_t status;
 268         uint16_t timeout;               /* 0 = 30 seconds, 0xFFFF = disable */
 269         uint16_t dseg_count;            /* Data segment count. */
 270         uint32_t relative_offset;
 271         uint32_t residual;
 272         uint16_t reserved_1[3];
 273         uint16_t scsi_status;
 274         uint32_t transfer_length;
 275         uint32_t dseg_0_address;        /* Data segment 0 address. */
 276         uint32_t dseg_0_length;         /* Data segment 0 length. */
 277         uint32_t dseg_1_address;        /* Data segment 1 address. */
 278         uint32_t dseg_1_length;         /* Data segment 1 length. */
 279         uint32_t dseg_2_address;        /* Data segment 2 address. */
 280         uint32_t dseg_2_length;         /* Data segment 2 length. */
 281 } __packed;
 282 #define ATIO_PATH_INVALID       0x07
 283 #define ATIO_CANT_PROV_CAP      0x16
 284 #define ATIO_CDB_VALID          0x3D
 285
 286 #define ATIO_EXEC_READ          BIT_1
 287 #define ATIO_EXEC_WRITE         BIT_0
 288 #endif
 289
 290 #ifndef CTIO_A64_TYPE
 291 #define CTIO_A64_TYPE 0x1F
 292 #define CTIO_SUCCESS                    0x01
 293 #define CTIO_ABORTED                    0x02
 294 #define CTIO_INVALID_RX_ID              0x08
 295 #define CTIO_TIMEOUT                    0x0B
 296 #define CTIO_DIF_ERROR                  0x0C     /* DIF error detected  */
 297 #define CTIO_LIP_RESET                  0x0E
 298 #define CTIO_TARGET_RESET               0x17
 299 #define CTIO_PORT_UNAVAILABLE           0x28
 300 #define CTIO_PORT_LOGGED_OUT            0x29
 301 #define CTIO_PORT_CONF_CHANGED          0x2A
 302 #define CTIO_SRR_RECEIVED               0x45
 303 #endif
 304
 305 #ifndef CTIO_RET_TYPE
 306 #define CTIO_RET_TYPE   0x17            /* CTIO return entry */
 307 #define ATIO_TYPE7 0x06 /* Accept target I/O entry for 24xx */
 308
 309 struct fcp_hdr {
 310         uint8_t  r_ctl;
 311         uint8_t  d_id[3];
 312         uint8_t  cs_ctl;
 313         uint8_t  s_id[3];
 314         uint8_t  type;
 315         uint8_t  f_ctl[3];
 316         uint8_t  seq_id;
 317         uint8_t  df_ctl;
 318         uint16_t seq_cnt;
 319         __be16   ox_id;
 320         uint16_t rx_id;
 321         uint32_t parameter;
 322 } __packed;
 323
 324 struct fcp_hdr_le {
 325         uint8_t  d_id[3];
 326         uint8_t  r_ctl;
 327         uint8_t  s_id[3];
 328         uint8_t  cs_ctl;
 329         uint8_t  f_ctl[3];
 330         uint8_t  type;
 331         uint16_t seq_cnt;
 332         uint8_t  df_ctl;
 333         uint8_t  seq_id;
 334         uint16_t rx_id;
 335         uint16_t ox_id;
 336         uint32_t parameter;
 337 } __packed;
 338
 339 #define F_CTL_EXCH_CONTEXT_RESP BIT_23
 340 #define F_CTL_SEQ_CONTEXT_RESIP BIT_22
 341 #define F_CTL_LAST_SEQ          BIT_20
 342 #define F_CTL_END_SEQ           BIT_19
 343 #define F_CTL_SEQ_INITIATIVE    BIT_16
 344
 345 #define R_CTL_BASIC_LINK_SERV   0x80
 346 #define R_CTL_B_ACC             0x4
 347 #define R_CTL_B_RJT             0x5
 348
 349 struct atio7_fcp_cmnd {
 350         uint64_t lun;
 351         uint8_t  cmnd_ref;
 352         uint8_t  task_attr:3;
 353         uint8_t  reserved:5;
 354         uint8_t  task_mgmt_flags;
 355 #define FCP_CMND_TASK_MGMT_CLEAR_ACA            6
 356 #define FCP_CMND_TASK_MGMT_TARGET_RESET         5
 357 #define FCP_CMND_TASK_MGMT_LU_RESET             4
 358 #define FCP_CMND_TASK_MGMT_CLEAR_TASK_SET       2
 359 #define FCP_CMND_TASK_MGMT_ABORT_TASK_SET       1
 360         uint8_t  wrdata:1;
 361         uint8_t  rddata:1;
 362         uint8_t  add_cdb_len:6;
 363         uint8_t  cdb[16];
 364         /*
 365          * add_cdb is optional and can absent from struct atio7_fcp_cmnd. Size 4
 366          * only to make sizeof(struct atio7_fcp_cmnd) be as expected by
 367          * BUILD_BUG_ON in qlt_init().
 368          */
 369         uint8_t  add_cdb[4];
 370         /* uint32_t data_length; */
 371 } __packed;
 372
 373 /*
 374  * ISP queue -  Accept Target I/O (ATIO) type entry IOCB structure.
 375  *              This is sent from the ISP to the target driver.
 376  */
 377 struct atio_from_isp {
 378         union {
 379                 struct {
 380                         uint16_t entry_hdr;
 381                         uint8_t  sys_define;   /* System defined. */
 382                         uint8_t  entry_status; /* Entry Status.   */
 383                         uint32_t sys_define_2; /* System defined. */
 384                         target_id_t target;
 385                         uint16_t rx_id;
 386                         uint16_t flags;
 387                         uint16_t status;
 388                         uint8_t  command_ref;
 389                         uint8_t  task_codes;
 390                         uint8_t  task_flags;
 391                         uint8_t  execution_codes;
 392                         uint8_t  cdb[MAX_CMDSZ];
 393                         uint32_t data_length;
 394                         uint16_t lun;
 395                         uint8_t  initiator_port_name[WWN_SIZE]; /* on qla23xx */
 396                         uint16_t reserved_32[6];
 397                         uint16_t ox_id;
 398                 } isp2x;
 399                 struct {
 400                         uint16_t entry_hdr;
 401                         uint8_t  fcp_cmnd_len_low;
 402                         uint8_t  fcp_cmnd_len_high:4;
 403                         uint8_t  attr:4;
 404                         uint32_t exchange_addr;
 405 #define ATIO_EXCHANGE_ADDRESS_UNKNOWN   0xFFFFFFFF
 406                         struct fcp_hdr fcp_hdr;
 407                         struct atio7_fcp_cmnd fcp_cmnd;
 408                 } isp24;
 409                 struct {
 410                         uint8_t  entry_type;    /* Entry type. */
 411                         uint8_t  entry_count;   /* Entry count. */
 412                         uint8_t  data[58];
 413                         uint32_t signature;
 414 #define ATIO_PROCESSED 0xDEADDEAD               /* Signature */
 415                 } raw;
 416         } u;
 417 } __packed;
 418
 419 #define CTIO_TYPE7 0x12 /* Continue target I/O entry (for 24xx) */
 420
 421 /*
 422  * ISP queue -  Continue Target I/O (ATIO) type 7 entry (for 24xx) structure.
 423  *              This structure is sent to the ISP 24xx from the target driver.
 424  */
 425
 426 struct ctio7_to_24xx {
 427         uint8_t  entry_type;                /* Entry type. */
 428         uint8_t  entry_count;               /* Entry count. */
 429         uint8_t  sys_define;                /* System defined. */
 430         uint8_t  entry_status;              /* Entry Status. */
 431         uint32_t handle;                    /* System defined handle */
 432         uint16_t nport_handle;
 433 #define CTIO7_NHANDLE_UNRECOGNIZED      0xFFFF
 434         uint16_t timeout;
 435         uint16_t dseg_count;                /* Data segment count. */
 436         uint8_t  vp_index;
 437         uint8_t  add_flags;
 438         uint8_t  initiator_id[3];
 439         uint8_t  reserved;
 440         uint32_t exchange_addr;
 441         union {
 442                 struct {
 443                         uint16_t reserved1;
 444                         __le16 flags;
 445                         uint32_t residual;
 446                         __le16 ox_id;
 447                         uint16_t scsi_status;
 448                         uint32_t relative_offset;
 449                         uint32_t reserved2;
 450                         uint32_t transfer_length;
 451                         uint32_t reserved3;
 452                         /* Data segment 0 address. */
 453                         uint32_t dseg_0_address[2];
 454                         /* Data segment 0 length. */
 455                         uint32_t dseg_0_length;
 456                 } status0;
 457                 struct {
 458                         uint16_t sense_length;
 459                         uint16_t flags;
 460                         uint32_t residual;
 461                         __le16 ox_id;
 462                         uint16_t scsi_status;
 463                         uint16_t response_len;
 464                         uint16_t reserved;
 465                         uint8_t sense_data[24];
 466                 } status1;
 467         } u;
 468 } __packed;
 469
 470 /*
 471  * ISP queue - CTIO type 7 from ISP 24xx to target driver
 472  * returned entry structure.
 473  */
 474 struct ctio7_from_24xx {
 475         uint8_t  entry_type;                /* Entry type. */
 476         uint8_t  entry_count;               /* Entry count. */
 477         uint8_t  sys_define;                /* System defined. */
 478         uint8_t  entry_status;              /* Entry Status. */
 479         uint32_t handle;                    /* System defined handle */
 480         uint16_t status;
 481         uint16_t timeout;
 482         uint16_t dseg_count;                /* Data segment count. */
 483         uint8_t  vp_index;
 484         uint8_t  reserved1[5];
 485         uint32_t exchange_address;
 486         uint16_t reserved2;
 487         uint16_t flags;
 488         uint32_t residual;
 489         uint16_t ox_id;
 490         uint16_t reserved3;
 491         uint32_t relative_offset;
 492         uint8_t  reserved4[24];
 493 } __packed;
 494
 495 /* CTIO7 flags values */
 496 #define CTIO7_FLAGS_SEND_STATUS         BIT_15
 497 #define CTIO7_FLAGS_TERMINATE           BIT_14
 498 #define CTIO7_FLAGS_CONFORM_REQ         BIT_13
 499 #define CTIO7_FLAGS_DONT_RET_CTIO       BIT_8
 500 #define CTIO7_FLAGS_STATUS_MODE_0       0
 501 #define CTIO7_FLAGS_STATUS_MODE_1       BIT_6
 502 #define CTIO7_FLAGS_STATUS_MODE_2       BIT_7
 503 #define CTIO7_FLAGS_EXPLICIT_CONFORM    BIT_5
 504 #define CTIO7_FLAGS_CONFIRM_SATISF      BIT_4
 505 #define CTIO7_FLAGS_DSD_PTR             BIT_2
 506 #define CTIO7_FLAGS_DATA_IN             BIT_1 /* data to initiator */
 507 #define CTIO7_FLAGS_DATA_OUT            BIT_0 /* data from initiator */
 508
 509 #define ELS_PLOGI                       0x3
 510 #define ELS_FLOGI                       0x4
 511 #define ELS_LOGO                        0x5
 512 #define ELS_PRLI                        0x20
 513 #define ELS_PRLO                        0x21
 514 #define ELS_TPRLO                       0x24
 515 #define ELS_PDISC                       0x50
 516 #define ELS_ADISC                       0x52
 517
 518 /*
 519  *CTIO Type CRC_2 IOCB
 520  */
 521 struct ctio_crc2_to_fw {
 522         uint8_t entry_type;             /* Entry type. */
 523 #define CTIO_CRC2 0x7A
 524         uint8_t entry_count;            /* Entry count. */
 525         uint8_t sys_define;             /* System defined. */
 526         uint8_t entry_status;           /* Entry Status. */
 527
 528         uint32_t handle;                /* System handle. */
 529         uint16_t nport_handle;          /* N_PORT handle. */
 530         __le16 timeout;         /* Command timeout. */
 531
 532         uint16_t dseg_count;            /* Data segment count. */
 533         uint8_t  vp_index;
 534         uint8_t  add_flags;             /* additional flags */
 535 #define CTIO_CRC2_AF_DIF_DSD_ENA BIT_3
 536
 537         uint8_t  initiator_id[3];       /* initiator ID */
 538         uint8_t  reserved1;
 539         uint32_t exchange_addr;         /* rcv exchange address */
 540         uint16_t reserved2;
 541         __le16 flags;                   /* refer to CTIO7 flags values */
 542         uint32_t residual;
 543         __le16 ox_id;
 544         uint16_t scsi_status;
 545         __le32 relative_offset;
 546         uint32_t reserved5;
 547         __le32 transfer_length;         /* total fc transfer length */
 548         uint32_t reserved6;
 549         __le32 crc_context_address[2];/* Data segment address. */
 550         uint16_t crc_context_len;       /* Data segment length. */
 551         uint16_t reserved_1;            /* MUST be set to 0. */
 552 } __packed;
 553
 554 /* CTIO Type CRC_x Status IOCB */
 555 struct ctio_crc_from_fw {
 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
 561         uint32_t handle;                /* System handle. */
 562         uint16_t status;
 563         uint16_t timeout;               /* Command timeout. */
 564         uint16_t dseg_count;            /* Data segment count. */
 565         uint32_t reserved1;
 566         uint16_t state_flags;
 567 #define CTIO_CRC_SF_DIF_CHOPPED BIT_4
 568
 569         uint32_t exchange_address;      /* rcv exchange address */
 570         uint16_t reserved2;
 571         uint16_t flags;
 572         uint32_t resid_xfer_length;
 573         uint16_t ox_id;
 574         uint8_t  reserved3[12];
 575         uint16_t runt_guard;            /* reported runt blk guard */
 576         uint8_t  actual_dif[8];
 577         uint8_t  expected_dif[8];
 578 } __packed;
 579
 580 /*
 581  * ISP queue - ABTS received/response entries structure definition for 24xx.
 582  */
 583 #define ABTS_RECV_24XX          0x54 /* ABTS received (for 24xx) */
 584 #define ABTS_RESP_24XX          0x55 /* ABTS responce (for 24xx) */
 585
 586 /*
 587  * ISP queue -  ABTS received IOCB entry structure definition for 24xx.
 588  *              The ABTS BLS received from the wire is sent to the
 589  *              target driver by the ISP 24xx.
 590  *              The IOCB is placed on the response queue.
 591  */
 592 struct abts_recv_from_24xx {
 593         uint8_t  entry_type;                /* Entry type. */
 594         uint8_t  entry_count;               /* Entry count. */
 595         uint8_t  sys_define;                /* System defined. */
 596         uint8_t  entry_status;              /* Entry Status. */
 597         uint8_t  reserved_1[6];
 598         uint16_t nport_handle;
 599         uint8_t  reserved_2[2];
 600         uint8_t  vp_index;
 601         uint8_t  reserved_3:4;
 602         uint8_t  sof_type:4;
 603         uint32_t exchange_address;
 604         struct fcp_hdr_le fcp_hdr_le;
 605         uint8_t  reserved_4[16];
 606         uint32_t exchange_addr_to_abort;
 607 } __packed;
 608
 609 #define ABTS_PARAM_ABORT_SEQ            BIT_0
 610
 611 struct ba_acc_le {
 612         uint16_t reserved;
 613         uint8_t  seq_id_last;
 614         uint8_t  seq_id_valid;
 615 #define SEQ_ID_VALID    0x80
 616 #define SEQ_ID_INVALID  0x00
 617         uint16_t rx_id;
 618         uint16_t ox_id;
 619         uint16_t high_seq_cnt;
 620         uint16_t low_seq_cnt;
 621 } __packed;
 622
 623 struct ba_rjt_le {
 624         uint8_t vendor_uniq;
 625         uint8_t reason_expl;
 626         uint8_t reason_code;
 627 #define BA_RJT_REASON_CODE_INVALID_COMMAND      0x1
 628 #define BA_RJT_REASON_CODE_UNABLE_TO_PERFORM    0x9
 629         uint8_t reserved;
 630 } __packed;
 631
 632 /*
 633  * ISP queue -  ABTS Response IOCB entry structure definition for 24xx.
 634  *              The ABTS response to the ABTS received is sent by the
 635  *              target driver to the ISP 24xx.
 636  *              The IOCB is placed on the request queue.
 637  */
 638 struct abts_resp_to_24xx {
 639         uint8_t  entry_type;                /* Entry type. */
 640         uint8_t  entry_count;               /* Entry count. */
 641         uint8_t  sys_define;                /* System defined. */
 642         uint8_t  entry_status;              /* Entry Status. */
 643         uint32_t handle;
 644         uint16_t reserved_1;
 645         uint16_t nport_handle;
 646         uint16_t control_flags;
 647 #define ABTS_CONTR_FLG_TERM_EXCHG       BIT_0
 648         uint8_t  vp_index;
 649         uint8_t  reserved_3:4;
 650         uint8_t  sof_type:4;
 651         uint32_t exchange_address;
 652         struct fcp_hdr_le fcp_hdr_le;
 653         union {
 654                 struct ba_acc_le ba_acct;
 655                 struct ba_rjt_le ba_rjt;
 656         } __packed payload;
 657         uint32_t reserved_4;
 658         uint32_t exchange_addr_to_abort;
 659 } __packed;
 660
 661 /*
 662  * ISP queue -  ABTS Response IOCB from ISP24xx Firmware entry structure.
 663  *              The ABTS response with completion status to the ABTS response
 664  *              (sent by the target driver to the ISP 24xx) is sent by the
 665  *              ISP24xx firmware to the target driver.
 666  *              The IOCB is placed on the response queue.
 667  */
 668 struct abts_resp_from_24xx_fw {
 669         uint8_t  entry_type;                /* Entry type. */
 670         uint8_t  entry_count;               /* Entry count. */
 671         uint8_t  sys_define;                /* System defined. */
 672         uint8_t  entry_status;              /* Entry Status. */
 673         uint32_t handle;
 674         uint16_t compl_status;
 675 #define ABTS_RESP_COMPL_SUCCESS         0
 676 #define ABTS_RESP_COMPL_SUBCODE_ERROR   0x31
 677         uint16_t nport_handle;
 678         uint16_t reserved_1;
 679         uint8_t  reserved_2;
 680         uint8_t  reserved_3:4;
 681         uint8_t  sof_type:4;
 682         uint32_t exchange_address;
 683         struct fcp_hdr_le fcp_hdr_le;
 684         uint8_t reserved_4[8];
 685         uint32_t error_subcode1;
 686 #define ABTS_RESP_SUBCODE_ERR_ABORTED_EXCH_NOT_TERM     0x1E
 687         uint32_t error_subcode2;
 688         uint32_t exchange_addr_to_abort;
 689 } __packed;
 690
 691 /********************************************************************\
 692  * Type Definitions used by initiator & target halves
 693 \********************************************************************/
 694
 695 struct qla_tgt_mgmt_cmd;
 696 struct qla_tgt_sess;
 697
 698 /*
 699  * This structure provides a template of function calls that the
 700  * target driver (from within qla_target.c) can issue to the
 701  * target module (tcm_qla2xxx).
 702  */
 703 struct qla_tgt_func_tmpl {
 704
 705         int (*handle_cmd)(struct scsi_qla_host *, struct qla_tgt_cmd *,
 706                         unsigned char *, uint32_t, int, int, int);
 707         void (*handle_data)(struct qla_tgt_cmd *);
 708         void (*handle_dif_err)(struct qla_tgt_cmd *);
 709         int (*handle_tmr)(struct qla_tgt_mgmt_cmd *, uint32_t, uint8_t,
 710                         uint32_t);
 711         void (*free_cmd)(struct qla_tgt_cmd *);
 712         void (*free_mcmd)(struct qla_tgt_mgmt_cmd *);
 713         void (*free_session)(struct qla_tgt_sess *);
 714
 715         int (*check_initiator_node_acl)(struct scsi_qla_host *, unsigned char *,
 716                                         void *, uint8_t *, uint16_t);
 717         void (*update_sess)(struct qla_tgt_sess *, port_id_t, uint16_t, bool);
 718         struct qla_tgt_sess *(*find_sess_by_loop_id)(struct scsi_qla_host *,
 719                                                 const uint16_t);
 720         struct qla_tgt_sess *(*find_sess_by_s_id)(struct scsi_qla_host *,
 721                                                 const uint8_t *);
 722         void (*clear_nacl_from_fcport_map)(struct qla_tgt_sess *);
 723         void (*put_sess)(struct qla_tgt_sess *);
 724         void (*shutdown_sess)(struct qla_tgt_sess *);
 725 };
 726
 727 int qla2x00_wait_for_hba_online(struct scsi_qla_host *);
 728
 729 #include <target/target_core_base.h>
 730
 731 #define QLA_TGT_TIMEOUT                 10      /* in seconds */
 732
 733 #define QLA_TGT_MAX_HW_PENDING_TIME     60 /* in seconds */
 734
 735 /* Immediate notify status constants */
 736 #define IMM_NTFY_LIP_RESET          0x000E
 737 #define IMM_NTFY_LIP_LINK_REINIT    0x000F
 738 #define IMM_NTFY_IOCB_OVERFLOW      0x0016
 739 #define IMM_NTFY_ABORT_TASK         0x0020
 740 #define IMM_NTFY_PORT_LOGOUT        0x0029
 741 #define IMM_NTFY_PORT_CONFIG        0x002A
 742 #define IMM_NTFY_GLBL_TPRLO         0x002D
 743 #define IMM_NTFY_GLBL_LOGO          0x002E
 744 #define IMM_NTFY_RESOURCE           0x0034
 745 #define IMM_NTFY_MSG_RX             0x0036
 746 #define IMM_NTFY_SRR                0x0045
 747 #define IMM_NTFY_ELS                0x0046
 748
 749 /* Immediate notify task flags */
 750 #define IMM_NTFY_TASK_MGMT_SHIFT    8
 751
 752 #define QLA_TGT_CLEAR_ACA               0x40
 753 #define QLA_TGT_TARGET_RESET            0x20
 754 #define QLA_TGT_LUN_RESET               0x10
 755 #define QLA_TGT_CLEAR_TS                0x04
 756 #define QLA_TGT_ABORT_TS                0x02
 757 #define QLA_TGT_ABORT_ALL_SESS          0xFFFF
 758 #define QLA_TGT_ABORT_ALL               0xFFFE
 759 #define QLA_TGT_NEXUS_LOSS_SESS         0xFFFD
 760 #define QLA_TGT_NEXUS_LOSS              0xFFFC
 761
 762 /* Notify Acknowledge flags */
 763 #define NOTIFY_ACK_RES_COUNT        BIT_8
 764 #define NOTIFY_ACK_CLEAR_LIP_RESET  BIT_5
 765 #define NOTIFY_ACK_TM_RESP_CODE_VALID BIT_4
 766
 767 /* Command's states */
 768 #define QLA_TGT_STATE_NEW               0 /* New command + target processing */
 769 #define QLA_TGT_STATE_NEED_DATA         1 /* target needs data to continue */
 770 #define QLA_TGT_STATE_DATA_IN           2 /* Data arrived + target processing */
 771 #define QLA_TGT_STATE_PROCESSED         3 /* target done processing */
 772 #define QLA_TGT_STATE_ABORTED           4 /* Command aborted */
 773
 774 /* Special handles */
 775 #define QLA_TGT_NULL_HANDLE     0
 776 #define QLA_TGT_SKIP_HANDLE     (0xFFFFFFFF & ~CTIO_COMPLETION_HANDLE_MARK)
 777
 778 /* ATIO task_codes field */
 779 #define ATIO_SIMPLE_QUEUE           0
 780 #define ATIO_HEAD_OF_QUEUE          1
 781 #define ATIO_ORDERED_QUEUE          2
 782 #define ATIO_ACA_QUEUE              4
 783 #define ATIO_UNTAGGED               5
 784
 785 /* TM failed response codes, see FCP (9.4.11 FCP_RSP_INFO) */
 786 #define FC_TM_SUCCESS               0
 787 #define FC_TM_BAD_FCP_DATA          1
 788 #define FC_TM_BAD_CMD               2
 789 #define FC_TM_FCP_DATA_MISMATCH     3
 790 #define FC_TM_REJECT                4
 791 #define FC_TM_FAILED                5
 792
 793 /*
 794  * Error code of qlt_pre_xmit_response() meaning that cmd's exchange was
 795  * terminated, so no more actions is needed and success should be returned
 796  * to target.
 797  */
 798 #define QLA_TGT_PRE_XMIT_RESP_CMD_ABORTED       0x1717
 799
 800 #if (BITS_PER_LONG > 32) || defined(CONFIG_HIGHMEM64G)
 801 #define pci_dma_lo32(a) (a & 0xffffffff)
 802 #define pci_dma_hi32(a) ((((a) >> 16)>>16) & 0xffffffff)
 803 #else
 804 #define pci_dma_lo32(a) (a & 0xffffffff)
 805 #define pci_dma_hi32(a) 0
 806 #endif
 807
 808 #define QLA_TGT_SENSE_VALID(sense)  ((sense != NULL) && \
 809                                 (((const uint8_t *)(sense))[0] & 0x70) == 0x70)
 810
 811 struct qla_port_24xx_data {
 812         uint8_t port_name[WWN_SIZE];
 813         uint16_t loop_id;
 814         uint16_t reserved;
 815 };
 816
 817 struct qla_tgt {
 818         struct scsi_qla_host *vha;
 819         struct qla_hw_data *ha;
 820
 821         /*
 822          * To sync between IRQ handlers and qlt_target_release(). Needed,
 823          * because req_pkt() can drop/reaquire HW lock inside. Protected by
 824          * HW lock.
 825          */
 826         int irq_cmd_count;
 827
 828         int datasegs_per_cmd, datasegs_per_cont, sg_tablesize;
 829
 830         /* Target's flags, serialized by pha->hardware_lock */
 831         unsigned int tgt_enable_64bit_addr:1; /* 64-bits PCI addr enabled */
 832         unsigned int link_reinit_iocb_pending:1;
 833
 834         /*
 835          * Protected by tgt_mutex AND hardware_lock for writing and tgt_mutex
 836          * OR hardware_lock for reading.
 837          */
 838         int tgt_stop; /* the target mode driver is being stopped */
 839         int tgt_stopped; /* the target mode driver has been stopped */
 840
 841         /* Count of sessions refering qla_tgt. Protected by hardware_lock. */
 842         int sess_count;
 843
 844         /* Protected by hardware_lock. Addition also protected by tgt_mutex. */
 845         struct list_head sess_list;
 846
 847         /* Protected by hardware_lock */
 848         struct list_head del_sess_list;
 849         struct delayed_work sess_del_work;
 850
 851         spinlock_t sess_work_lock;
 852         struct list_head sess_works_list;
 853         struct work_struct sess_work;
 854
 855         struct imm_ntfy_from_isp link_reinit_iocb;
 856         wait_queue_head_t waitQ;
 857         int notify_ack_expected;
 858         int abts_resp_expected;
 859         int modify_lun_expected;
 860
 861         int ctio_srr_id;
 862         int imm_srr_id;
 863         spinlock_t srr_lock;
 864         struct list_head srr_ctio_list;
 865         struct list_head srr_imm_list;
 866         struct work_struct srr_work;
 867
 868         atomic_t tgt_global_resets_count;
 869
 870         struct list_head tgt_list_entry;
 871 };
 872
 873 struct qla_tgt_sess_op {
 874         struct scsi_qla_host *vha;
 875         struct atio_from_isp atio;
 876         struct work_struct work;
 877 };
 878
 879 /*
 880  * Equivilant to IT Nexus (Initiator-Target)
 881  */
 882 struct qla_tgt_sess {
 883         uint16_t loop_id;
 884         port_id_t s_id;
 885
 886         unsigned int conf_compl_supported:1;
 887         unsigned int deleted:1;
 888         unsigned int local:1;
 889
 890         struct se_session *se_sess;
 891         struct scsi_qla_host *vha;
 892         struct qla_tgt *tgt;
 893
 894         struct list_head sess_list_entry;
 895         unsigned long expires;
 896         struct list_head del_list_entry;
 897
 898         uint8_t port_name[WWN_SIZE];
 899         struct work_struct free_work;
 900 };
 901
 902 struct qla_tgt_cmd {
 903         struct se_cmd se_cmd;
 904         struct qla_tgt_sess *sess;
 905         int state;
 906         struct work_struct free_work;
 907         struct work_struct work;
 908         /* Sense buffer that will be mapped into outgoing status */
 909         unsigned char sense_buffer[TRANSPORT_SENSE_BUFFER];
 910
 911         /* to save extra sess dereferences */
 912         unsigned int conf_compl_supported:1;
 913         unsigned int sg_mapped:1;
 914         unsigned int free_sg:1;
 915         unsigned int aborted:1; /* Needed in case of SRR */
 916         unsigned int write_data_transferred:1;
 917         unsigned int ctx_dsd_alloced:1;
 918         unsigned int q_full:1;
 919         unsigned int term_exchg:1;
 920         unsigned int cmd_sent_to_fw:1;
 921         unsigned int cmd_in_wq:1;
 922
 923         struct scatterlist *sg; /* cmd data buffer SG vector */
 924         int sg_cnt;             /* SG segments count */
 925         int bufflen;            /* cmd buffer length */
 926         int offset;
 927         uint32_t unpacked_lun;
 928         enum dma_data_direction dma_data_direction;
 929         uint32_t reset_count;
 930
 931         uint16_t loop_id;       /* to save extra sess dereferences */
 932         struct qla_tgt *tgt;    /* to save extra sess dereferences */
 933         struct scsi_qla_host *vha;
 934         struct list_head cmd_list;
 935
 936         struct atio_from_isp atio;
 937         /* t10dif */
 938         struct scatterlist *prot_sg;
 939         uint32_t prot_sg_cnt;
 940         uint32_t blk_sz;
 941         struct crc_context *ctx;
 942
 943         uint64_t jiffies_at_alloc;
 944         uint64_t jiffies_at_free;
 945         /* BIT_0 - Atio Arrival / schedule to work
 946          * BIT_1 - qlt_do_work
 947          * BIT_2 - qlt_do work failed
 948          * BIT_3 - xfer rdy/tcm_qla2xxx_write_pending
 949          * BIT_4 - read respond/tcm_qla2xx_queue_data_in
 950          * BIT_5 - status respond / tcm_qla2xx_queue_status
 951          * BIT_6 - tcm request to abort/Term exchange.
 952          *      pre_xmit_response->qlt_send_term_exchange
 953          * BIT_7 - SRR received (qlt_handle_srr->qlt_xmit_response)
 954          * BIT_8 - SRR received (qlt_handle_srr->qlt_rdy_to_xfer)
 955          * BIT_9 - SRR received (qla_handle_srr->qlt_send_term_exchange)
 956          * BIT_10 - Data in - hanlde_data->tcm_qla2xxx_handle_data
 957          * BIT_11 - Data actually going to TCM : tcm_qla2xx_handle_data_work
 958          * BIT_12 - good completion - qlt_ctio_do_completion -->free_cmd
 959          * BIT_13 - Bad completion -
 960          *      qlt_ctio_do_completion --> qlt_term_ctio_exchange
 961          * BIT_14 - Back end data received/sent.
 962          * BIT_15 - SRR prepare ctio
 963          * BIT_16 - complete free
 964          */
 965         uint32_t cmd_flags;
 966 };
 967
 968 struct qla_tgt_sess_work_param {
 969         struct list_head sess_works_list_entry;
 970
 971 #define QLA_TGT_SESS_WORK_ABORT 1
 972 #define QLA_TGT_SESS_WORK_TM    2
 973         int type;
 974
 975         union {
 976                 struct abts_recv_from_24xx abts;
 977                 struct imm_ntfy_from_isp tm_iocb;
 978                 struct atio_from_isp tm_iocb2;
 979         };
 980 };
 981
 982 struct qla_tgt_mgmt_cmd {
 983         uint8_t tmr_func;
 984         uint8_t fc_tm_rsp;
 985         struct qla_tgt_sess *sess;
 986         struct se_cmd se_cmd;
 987         struct work_struct free_work;
 988         unsigned int flags;
 989         uint32_t reset_count;
 990 #define QLA24XX_MGMT_SEND_NACK  1
 991         union {
 992                 struct atio_from_isp atio;
 993                 struct imm_ntfy_from_isp imm_ntfy;
 994                 struct abts_recv_from_24xx abts;
 995         } __packed orig_iocb;
 996 };
 997
 998 struct qla_tgt_prm {
 999         struct qla_tgt_cmd *cmd;
1000         struct qla_tgt *tgt;
1001         void *pkt;
1002         struct scatterlist *sg; /* cmd data buffer SG vector */
1003         unsigned char *sense_buffer;
1004         int seg_cnt;
1005         int req_cnt;
1006         uint16_t rq_result;
1007         uint16_t scsi_status;
1008         int sense_buffer_len;
1009         int residual;
1010         int add_status_pkt;
1011         /* dif */
1012         struct scatterlist *prot_sg;
1013         uint16_t prot_seg_cnt;
1014         uint16_t tot_dsds;
1015 };
1016
1017 struct qla_tgt_srr_imm {
1018         struct list_head srr_list_entry;
1019         int srr_id;
1020         struct imm_ntfy_from_isp imm_ntfy;
1021 };
1022
1023 struct qla_tgt_srr_ctio {
1024         struct list_head srr_list_entry;
1025         int srr_id;
1026         struct qla_tgt_cmd *cmd;
1027 };
1028
1029 #define QLA_TGT_XMIT_DATA               1
1030 #define QLA_TGT_XMIT_STATUS             2
1031 #define QLA_TGT_XMIT_ALL                (QLA_TGT_XMIT_STATUS|QLA_TGT_XMIT_DATA)
1032
1033
1034 extern struct qla_tgt_data qla_target;
1035
1036 /*
1037  * Function prototypes for qla_target.c logic used by qla2xxx LLD code.
1038  */
1039 extern int qlt_add_target(struct qla_hw_data *, struct scsi_qla_host *);
1040 extern int qlt_remove_target(struct qla_hw_data *, struct scsi_qla_host *);
1041 extern int qlt_lport_register(void *, u64, u64, u64,
1042                         int (*callback)(struct scsi_qla_host *, void *, u64, u64));
1043 extern void qlt_lport_deregister(struct scsi_qla_host *);
1044 extern void qlt_unreg_sess(struct qla_tgt_sess *);
1045 extern void qlt_fc_port_added(struct scsi_qla_host *, fc_port_t *);
1046 extern void qlt_fc_port_deleted(struct scsi_qla_host *, fc_port_t *);
1047 extern int __init qlt_init(void);
1048 extern void qlt_exit(void);
1049 extern void qlt_update_vp_map(struct scsi_qla_host *, int);
1050
1051 /*
1052  * This macro is used during early initializations when host->active_mode
1053  * is not set. Right now, ha value is ignored.
1054  */
1055 #define QLA_TGT_MODE_ENABLED() (ql2x_ini_mode != QLA2XXX_INI_MODE_ENABLED)
1056 extern int ql2x_ini_mode;
1057
1058 static inline bool qla_tgt_mode_enabled(struct scsi_qla_host *ha)
1059 {
1060         return ha->host->active_mode & MODE_TARGET;
1061 }
1062
1063 static inline bool qla_ini_mode_enabled(struct scsi_qla_host *ha)
1064 {
1065         return ha->host->active_mode & MODE_INITIATOR;
1066 }
1067
1068 static inline void qla_reverse_ini_mode(struct scsi_qla_host *ha)
1069 {
1070         if (ha->host->active_mode & MODE_INITIATOR)
1071                 ha->host->active_mode &= ~MODE_INITIATOR;
1072         else
1073                 ha->host->active_mode |= MODE_INITIATOR;
1074 }
1075
1076 /*
1077  * Exported symbols from qla_target.c LLD logic used by qla2xxx code..
1078  */
1079 extern void qlt_response_pkt_all_vps(struct scsi_qla_host *, response_t *);
1080 extern int qlt_rdy_to_xfer(struct qla_tgt_cmd *);
1081 extern int qlt_xmit_response(struct qla_tgt_cmd *, int, uint8_t);
1082 extern void qlt_xmit_tm_rsp(struct qla_tgt_mgmt_cmd *);
1083 extern void qlt_free_mcmd(struct qla_tgt_mgmt_cmd *);
1084 extern void qlt_free_cmd(struct qla_tgt_cmd *cmd);
1085 extern void qlt_async_event(uint16_t, struct scsi_qla_host *, uint16_t *);
1086 extern void qlt_enable_vha(struct scsi_qla_host *);
1087 extern void qlt_vport_create(struct scsi_qla_host *, struct qla_hw_data *);
1088 extern void qlt_rff_id(struct scsi_qla_host *, struct ct_sns_req *);
1089 extern void qlt_init_atio_q_entries(struct scsi_qla_host *);
1090 extern void qlt_24xx_process_atio_queue(struct scsi_qla_host *);
1091 extern void qlt_24xx_config_rings(struct scsi_qla_host *);
1092 extern void qlt_24xx_config_nvram_stage1(struct scsi_qla_host *,
1093         struct nvram_24xx *);
1094 extern void qlt_24xx_config_nvram_stage2(struct scsi_qla_host *,
1095         struct init_cb_24xx *);
1096 extern void qlt_81xx_config_nvram_stage2(struct scsi_qla_host *,
1097         struct init_cb_81xx *);
1098 extern void qlt_81xx_config_nvram_stage1(struct scsi_qla_host *,
1099         struct nvram_81xx *);
1100 extern int qlt_24xx_process_response_error(struct scsi_qla_host *,
1101         struct sts_entry_24xx *);
1102 extern void qlt_modify_vp_config(struct scsi_qla_host *,
1103         struct vp_config_entry_24xx *);
1104 extern void qlt_probe_one_stage1(struct scsi_qla_host *, struct qla_hw_data *);
1105 extern int qlt_mem_alloc(struct qla_hw_data *);
1106 extern void qlt_mem_free(struct qla_hw_data *);
1107 extern int qlt_stop_phase1(struct qla_tgt *);
1108 extern void qlt_stop_phase2(struct qla_tgt *);
1109 extern irqreturn_t qla83xx_msix_atio_q(int, void *);
1110 extern void qlt_83xx_iospace_config(struct qla_hw_data *);
1111 extern int qlt_free_qfull_cmds(struct scsi_qla_host *);
1112
1113 #endif /* __QLA_TARGET_H */