isp_target.h revision 160978
1/* $FreeBSD: head/sys/dev/isp/isp_target.h 160978 2006-08-04 20:20:00Z mjacob $ */ 2/*- 3 * Qlogic Target Mode Structure and Flag Definitions 4 * 5 * Copyright (c) 1997, 1998 6 * Patrick Stirling 7 * pms@psconsult.com 8 * All rights reserved. 9 * 10 * Additonal Copyright (c) 1997-2006 by Matthew Jacob 11 * All rights reserved. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice immediately at the beginning of the file, without modification, 18 * this list of conditions, and the following disclaimer. 19 * 2. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 26 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 */ 35#ifndef _ISP_TARGET_H 36#define _ISP_TARGET_H 37 38#define QLTM_SENSELEN 18 /* non-FC cards only */ 39#define QLTM_SVALID 0x80 40 41/* 42 * Structure for Enable Lun and Modify Lun queue entries 43 */ 44typedef struct { 45 isphdr_t le_header; 46 uint32_t le_reserved; 47 uint8_t le_lun; 48 uint8_t le_rsvd; 49 uint8_t le_ops; /* Modify LUN only */ 50 uint8_t le_tgt; /* Not for FC */ 51 uint32_t le_flags; /* Not for FC */ 52 uint8_t le_status; 53 uint8_t le_reserved2; 54 uint8_t le_cmd_count; 55 uint8_t le_in_count; 56 uint8_t le_cdb6len; /* Not for FC */ 57 uint8_t le_cdb7len; /* Not for FC */ 58 uint16_t le_timeout; 59 uint16_t le_reserved3[20]; 60} lun_entry_t; 61 62/* 63 * le_flags values 64 */ 65#define LUN_TQAE 0x00000002 /* bit1 Tagged Queue Action Enable */ 66#define LUN_DSSM 0x01000000 /* bit24 Disable Sending SDP Message */ 67#define LUN_DISAD 0x02000000 /* bit25 Disable autodisconnect */ 68#define LUN_DM 0x40000000 /* bit30 Disconnects Mandatory */ 69 70/* 71 * le_ops values 72 */ 73#define LUN_CCINCR 0x01 /* increment command count */ 74#define LUN_CCDECR 0x02 /* decrement command count */ 75#define LUN_ININCR 0x40 /* increment immed. notify count */ 76#define LUN_INDECR 0x80 /* decrement immed. notify count */ 77 78/* 79 * le_status values 80 */ 81#define LUN_OK 0x01 /* we be rockin' */ 82#define LUN_ERR 0x04 /* request completed with error */ 83#define LUN_INVAL 0x06 /* invalid request */ 84#define LUN_NOCAP 0x16 /* can't provide requested capability */ 85#define LUN_ENABLED 0x3E /* LUN already enabled */ 86 87/* 88 * Immediate Notify Entry structure 89 */ 90#define IN_MSGLEN 8 /* 8 bytes */ 91#define IN_RSVDLEN 8 /* 8 words */ 92typedef struct { 93 isphdr_t in_header; 94 uint32_t in_reserved; 95 uint8_t in_lun; /* lun */ 96 uint8_t in_iid; /* initiator */ 97 uint8_t in_reserved2; 98 uint8_t in_tgt; /* target */ 99 uint32_t in_flags; 100 uint8_t in_status; 101 uint8_t in_rsvd2; 102 uint8_t in_tag_val; /* tag value */ 103 uint8_t in_tag_type; /* tag type */ 104 uint16_t in_seqid; /* sequence id */ 105 uint8_t in_msg[IN_MSGLEN]; /* SCSI message bytes */ 106 uint16_t in_reserved3[IN_RSVDLEN]; 107 uint8_t in_sense[QLTM_SENSELEN];/* suggested sense data */ 108} in_entry_t; 109 110typedef struct { 111 isphdr_t in_header; 112 uint32_t in_reserved; 113 uint8_t in_lun; /* lun */ 114 uint8_t in_iid; /* initiator */ 115 uint16_t in_scclun; 116 uint32_t in_reserved2; 117 uint16_t in_status; 118 uint16_t in_task_flags; 119 uint16_t in_seqid; /* sequence id */ 120} in_fcentry_t; 121 122typedef struct { 123 isphdr_t in_header; 124 uint32_t in_reserved; 125 uint16_t in_iid; /* initiator */ 126 uint16_t in_scclun; 127 uint32_t in_reserved2; 128 uint16_t in_status; 129 uint16_t in_task_flags; 130 uint16_t in_seqid; /* sequence id */ 131} in_fcentry_e_t; 132 133/* 134 * Values for the in_status field 135 */ 136#define IN_REJECT 0x0D /* Message Reject message received */ 137#define IN_RESET 0x0E /* Bus Reset occurred */ 138#define IN_NO_RCAP 0x16 /* requested capability not available */ 139#define IN_IDE_RECEIVED 0x33 /* Initiator Detected Error msg received */ 140#define IN_RSRC_UNAVAIL 0x34 /* resource unavailable */ 141#define IN_MSG_RECEIVED 0x36 /* SCSI message received */ 142#define IN_ABORT_TASK 0x20 /* task named in RX_ID is being aborted (FC) */ 143#define IN_PORT_LOGOUT 0x29 /* port has logged out (FC) */ 144#define IN_PORT_CHANGED 0x2A /* port changed */ 145#define IN_GLOBAL_LOGO 0x2E /* all ports logged out */ 146#define IN_NO_NEXUS 0x3B /* Nexus not established */ 147 148/* 149 * Values for the in_task_flags field- should only get one at a time! 150 */ 151#define TASK_FLAGS_RESERVED_MASK (0xe700) 152#define TASK_FLAGS_CLEAR_ACA (1<<14) 153#define TASK_FLAGS_TARGET_RESET (1<<13) 154#define TASK_FLAGS_LUN_RESET (1<<12) 155#define TASK_FLAGS_CLEAR_TASK_SET (1<<10) 156#define TASK_FLAGS_ABORT_TASK_SET (1<<9) 157 158#ifndef MSG_ABORT 159#define MSG_ABORT 0x06 160#endif 161#ifndef MSG_BUS_DEV_RESET 162#define MSG_BUS_DEV_RESET 0x0c 163#endif 164#ifndef MSG_ABORT_TAG 165#define MSG_ABORT_TAG 0x0d 166#endif 167#ifndef MSG_CLEAR_QUEUE 168#define MSG_CLEAR_QUEUE 0x0e 169#endif 170#ifndef MSG_REL_RECOVERY 171#define MSG_REL_RECOVERY 0x10 172#endif 173#ifndef MSG_TERM_IO_PROC 174#define MSG_TERM_IO_PROC 0x11 175#endif 176#ifndef MSG_LUN_RESET 177#define MSG_LUN_RESET 0x17 178#endif 179 180/* 181 * Notify Acknowledge Entry structure 182 */ 183#define NA_RSVDLEN 22 184typedef struct { 185 isphdr_t na_header; 186 uint32_t na_reserved; 187 uint8_t na_lun; /* lun */ 188 uint8_t na_iid; /* initiator */ 189 uint8_t na_reserved2; 190 uint8_t na_tgt; /* target */ 191 uint32_t na_flags; 192 uint8_t na_status; 193 uint8_t na_event; 194 uint16_t na_seqid; /* sequence id */ 195 uint16_t na_reserved3[NA_RSVDLEN]; 196} na_entry_t; 197 198/* 199 * Value for the na_event field 200 */ 201#define NA_RST_CLRD 0x80 /* Clear an async event notification */ 202#define NA_OK 0x01 /* Notify Acknowledge Succeeded */ 203#define NA_INVALID 0x06 /* Invalid Notify Acknowledge */ 204 205#define NA2_RSVDLEN 21 206typedef struct { 207 isphdr_t na_header; 208 uint32_t na_reserved; 209 uint8_t na_reserved1; 210 uint8_t na_iid; /* initiator loop id */ 211 uint16_t na_response; 212 uint16_t na_flags; 213 uint16_t na_reserved2; 214 uint16_t na_status; 215 uint16_t na_task_flags; 216 uint16_t na_seqid; /* sequence id */ 217 uint16_t na_reserved3[NA2_RSVDLEN]; 218} na_fcentry_t; 219 220typedef struct { 221 isphdr_t na_header; 222 uint32_t na_reserved; 223 uint16_t na_iid; /* initiator loop id */ 224 uint16_t na_response; /* response code */ 225 uint16_t na_flags; 226 uint16_t na_reserved2; 227 uint16_t na_status; 228 uint16_t na_task_flags; 229 uint16_t na_seqid; /* sequence id */ 230 uint16_t na_reserved3[NA2_RSVDLEN]; 231} na_fcentry_e_t; 232 233#define NAFC_RCOUNT 0x80 /* increment resource count */ 234#define NAFC_RST_CLRD 0x20 /* Clear LIP Reset */ 235#define NAFC_TVALID 0x10 /* task mangement response code is valid */ 236 237/* 238 * Accept Target I/O Entry structure 239 */ 240#define ATIO_CDBLEN 26 241 242typedef struct { 243 isphdr_t at_header; 244 uint16_t at_reserved; 245 uint16_t at_handle; 246 uint8_t at_lun; /* lun */ 247 uint8_t at_iid; /* initiator */ 248 uint8_t at_cdblen; /* cdb length */ 249 uint8_t at_tgt; /* target */ 250 uint32_t at_flags; 251 uint8_t at_status; /* firmware status */ 252 uint8_t at_scsi_status; /* scsi status */ 253 uint8_t at_tag_val; /* tag value */ 254 uint8_t at_tag_type; /* tag type */ 255 uint8_t at_cdb[ATIO_CDBLEN]; /* received CDB */ 256 uint8_t at_sense[QLTM_SENSELEN];/* suggested sense data */ 257} at_entry_t; 258 259/* 260 * at_flags values 261 */ 262#define AT_NODISC 0x00008000 /* disconnect disabled */ 263#define AT_TQAE 0x00000002 /* Tagged Queue Action enabled */ 264 265/* 266 * at_status values 267 */ 268#define AT_PATH_INVALID 0x07 /* ATIO sent to firmware for disabled lun */ 269#define AT_RESET 0x0E /* SCSI Bus Reset Occurred */ 270#define AT_PHASE_ERROR 0x14 /* Bus phase sequence error */ 271#define AT_NOCAP 0x16 /* Requested capability not available */ 272#define AT_BDR_MSG 0x17 /* Bus Device Reset msg received */ 273#define AT_CDB 0x3D /* CDB received */ 274/* 275 * Macros to create and fetch and test concatenated handle and tag value macros 276 */ 277 278#define AT_MAKE_TAGID(tid, inst, aep) \ 279 tid = aep->at_handle; \ 280 if (aep->at_flags & AT_TQAE) { \ 281 tid |= (aep->at_tag_val << 16); \ 282 tid |= (1 << 24); \ 283 } \ 284 tid |= (GET_BUS_VAL(aep->at_iid) << 25); \ 285 tid |= (inst << 26) 286 287#define CT_MAKE_TAGID(tid, bus, inst, ct) \ 288 tid = ct->ct_fwhandle; \ 289 if (ct->ct_flags & CT_TQAE) { \ 290 tid |= (ct->ct_tag_val << 16); \ 291 tid |= (1 << 24); \ 292 } \ 293 tid |= ((bus & 0x1) << 25); \ 294 tid |= (inst << 26) 295 296#define AT_HAS_TAG(val) ((val) & (1 << 24)) 297#define AT_GET_TAG(val) (((val) >> 16) & 0xff) 298#define AT_GET_INST(val) (((val) >> 26) & 0x3f) 299#define AT_GET_BUS(val) (((val) >> 25) & 0x1) 300#define AT_GET_HANDLE(val) ((val) & 0xffff) 301 302#define IN_MAKE_TAGID(tid, inst, inp) \ 303 tid = inp->in_seqid; \ 304 tid |= (inp->in_tag_val << 16); \ 305 tid |= (1 << 24); \ 306 tid |= (GET_BUS_VAL(inp->in_iid) << 25); \ 307 tid |= (inst << 26) 308 309#define TAG_INSERT_INST(tid, inst) \ 310 tid &= ~(0x3ffffff); \ 311 tid |= (inst << 26) 312 313#define TAG_INSERT_BUS(tid, bus) \ 314 tid &= ~(1 << 25); \ 315 tid |= (bus << 25) 316 317/* 318 * Accept Target I/O Entry structure, Type 2 319 */ 320#define ATIO2_CDBLEN 16 321 322typedef struct { 323 isphdr_t at_header; 324 uint32_t at_reserved; 325 uint8_t at_lun; /* lun or reserved */ 326 uint8_t at_iid; /* initiator */ 327 uint16_t at_rxid; /* response ID */ 328 uint16_t at_flags; 329 uint16_t at_status; /* firmware status */ 330 uint8_t at_crn; /* command reference number */ 331 uint8_t at_taskcodes; 332 uint8_t at_taskflags; 333 uint8_t at_execodes; 334 uint8_t at_cdb[ATIO2_CDBLEN]; /* received CDB */ 335 uint32_t at_datalen; /* allocated data len */ 336 uint16_t at_scclun; /* SCC Lun or reserved */ 337 uint16_t at_wwpn[4]; /* WWPN of initiator */ 338 uint16_t at_reserved2[6]; 339 uint16_t at_oxid; 340} at2_entry_t; 341 342typedef struct { 343 isphdr_t at_header; 344 uint32_t at_reserved; 345 uint16_t at_iid; /* initiator */ 346 uint16_t at_rxid; /* response ID */ 347 uint16_t at_flags; 348 uint16_t at_status; /* firmware status */ 349 uint8_t at_crn; /* command reference number */ 350 uint8_t at_taskcodes; 351 uint8_t at_taskflags; 352 uint8_t at_execodes; 353 uint8_t at_cdb[ATIO2_CDBLEN]; /* received CDB */ 354 uint32_t at_datalen; /* allocated data len */ 355 uint16_t at_scclun; /* SCC Lun or reserved */ 356 uint16_t at_wwpn[4]; /* WWPN of initiator */ 357 uint16_t at_reserved2[6]; 358 uint16_t at_oxid; 359} at2e_entry_t; 360 361#define ATIO2_WWPN_OFFSET 0x2A 362#define ATIO2_OXID_OFFSET 0x3E 363 364#define ATIO2_TC_ATTR_MASK 0x7 365#define ATIO2_TC_ATTR_SIMPLEQ 0 366#define ATIO2_TC_ATTR_HEADOFQ 1 367#define ATIO2_TC_ATTR_ORDERED 2 368#define ATIO2_TC_ATTR_ACAQ 4 369#define ATIO2_TC_ATTR_UNTAGGED 5 370 371#define ATIO2_EX_WRITE 0x1 372#define ATIO2_EX_READ 0x2 373/* 374 * Macros to create and fetch and test concatenated handle and tag value macros 375 */ 376#define AT2_MAKE_TAGID(tid, inst, aep) \ 377 tid = aep->at_rxid; \ 378 tid |= (inst << 16) 379 380#define CT2_MAKE_TAGID(tid, inst, ct) \ 381 tid = ct->ct_rxid; \ 382 tid |= (inst << 16) 383 384#define AT2_HAS_TAG(val) 1 385#define AT2_GET_TAG(val) ((val) & 0xffff) 386#define AT2_GET_INST(val) ((val) >> 16) 387#define AT2_GET_HANDLE AT2_GET_TAG 388 389#define FC_HAS_TAG AT2_HAS_TAG 390#define FC_GET_TAG AT2_GET_TAG 391#define FC_GET_INST AT2_GET_INST 392#define FC_GET_HANDLE AT2_GET_HANDLE 393 394#define IN_FC_MAKE_TAGID(tid, inst, seqid) \ 395 tid = seqid; \ 396 tid |= (inst << 16) 397 398#define FC_TAG_INSERT_INST(tid, inst) \ 399 tid &= ~0xffff; \ 400 tid |= (inst << 16) 401 402 403/* 404 * Continue Target I/O Entry structure 405 * Request from driver. The response from the 406 * ISP firmware is the same except that the last 18 407 * bytes are overwritten by suggested sense data if 408 * the 'autosense valid' bit is set in the status byte. 409 */ 410typedef struct { 411 isphdr_t ct_header; 412 uint16_t ct_reserved; 413#define ct_syshandle ct_reserved /* we use this */ 414 uint16_t ct_fwhandle; /* required by f/w */ 415 uint8_t ct_lun; /* lun */ 416 uint8_t ct_iid; /* initiator id */ 417 uint8_t ct_reserved2; 418 uint8_t ct_tgt; /* our target id */ 419 uint32_t ct_flags; 420 uint8_t ct_status; /* isp status */ 421 uint8_t ct_scsi_status; /* scsi status */ 422 uint8_t ct_tag_val; /* tag value */ 423 uint8_t ct_tag_type; /* tag type */ 424 uint32_t ct_xfrlen; /* transfer length */ 425 uint32_t ct_resid; /* residual length */ 426 uint16_t ct_timeout; 427 uint16_t ct_seg_count; 428 /* 429 * This is so we can share tag name space with 430 * CTIO{2,3,4} with the minimum of pain. 431 */ 432 union { 433 ispds_t ct_a[ISP_RQDSEG]; 434 } _u; 435#define ct_dataseg _u.ct_a 436} ct_entry_t; 437 438/* 439 * For some of the dual port SCSI adapters, port (bus #) is reported 440 * in the MSbit of ct_iid. Bit fields are a bit too awkward here. 441 * 442 * Note that this does not apply to FC adapters at all which can and 443 * do report IIDs between 0x81 && 0xfe (or 0x7ff) which represent devices 444 * that have logged in across a SCSI fabric. 445 */ 446#define GET_IID_VAL(x) (x & 0x3f) 447#define GET_BUS_VAL(x) ((x >> 7) & 0x1) 448#define SET_IID_VAL(y, x) y = ((y & ~0x3f) | (x & 0x3f)) 449#define SET_BUS_VAL(y, x) y = ((y & 0x3f) | ((x & 0x1) << 7)) 450 451/* 452 * ct_flags values 453 */ 454#define CT_TQAE 0x00000002 /* bit 1, Tagged Queue Action enable */ 455#define CT_DATA_IN 0x00000040 /* bits 6&7, Data direction */ 456#define CT_DATA_OUT 0x00000080 /* bits 6&7, Data direction */ 457#define CT_NO_DATA 0x000000C0 /* bits 6&7, Data direction */ 458#define CT_CCINCR 0x00000100 /* bit 8, autoincrement atio count */ 459#define CT_DATAMASK 0x000000C0 /* bits 6&7, Data direction */ 460#define CT_INISYNCWIDE 0x00004000 /* bit 14, Do Sync/Wide Negotiation */ 461#define CT_NODISC 0x00008000 /* bit 15, Disconnects disabled */ 462#define CT_DSDP 0x01000000 /* bit 24, Disable Save Data Pointers */ 463#define CT_SENDRDP 0x04000000 /* bit 26, Send Restore Pointers msg */ 464#define CT_SENDSTATUS 0x80000000 /* bit 31, Send SCSI status byte */ 465 466/* 467 * ct_status values 468 * - set by the firmware when it returns the CTIO 469 */ 470#define CT_OK 0x01 /* completed without error */ 471#define CT_ABORTED 0x02 /* aborted by host */ 472#define CT_ERR 0x04 /* see sense data for error */ 473#define CT_INVAL 0x06 /* request for disabled lun */ 474#define CT_NOPATH 0x07 /* invalid ITL nexus */ 475#define CT_INVRXID 0x08 /* (FC only) Invalid RX_ID */ 476#define CT_DATA_OVER 0x09 /* (FC only) Data Overrun */ 477#define CT_RSELTMO 0x0A /* reselection timeout after 2 tries */ 478#define CT_TIMEOUT 0x0B /* timed out */ 479#define CT_RESET 0x0E /* SCSI Bus Reset occurred */ 480#define CT_PARITY 0x0F /* Uncorrectable Parity Error */ 481#define CT_BUS_ERROR 0x10 /* (FC Only) DMA PCI Error */ 482#define CT_PANIC 0x13 /* Unrecoverable Error */ 483#define CT_PHASE_ERROR 0x14 /* Bus phase sequence error */ 484#define CT_BDR_MSG 0x17 /* Bus Device Reset msg received */ 485#define CT_DATA_UNDER 0x15 /* (FC only) Data Underrun */ 486#define CT_TERMINATED 0x19 /* due to Terminate Transfer mbox cmd */ 487#define CT_PORTNOTAVAIL 0x28 /* port not available */ 488#define CT_LOGOUT 0x29 /* port logout */ 489#define CT_PORTCHANGED 0x2A /* port changed */ 490#define CT_IDE 0x33 /* Initiator Detected Error */ 491#define CT_NOACK 0x35 /* Outstanding Immed. Notify. entry */ 492#define CT_SRR 0x45 /* SRR Received */ 493#define CT_LUN_RESET 0x48 /* Lun Reset Received */ 494 495/* 496 * When the firmware returns a CTIO entry, it may overwrite the last 497 * part of the structure with sense data. This starts at offset 0x2E 498 * into the entry, which is in the middle of ct_dataseg[1]. Rather 499 * than define a new struct for this, I'm just using the sense data 500 * offset. 501 */ 502#define CTIO_SENSE_OFFSET 0x2E 503 504/* 505 * Entry length in u_longs. All entries are the same size so 506 * any one will do as the numerator. 507 */ 508#define UINT32_ENTRY_SIZE (sizeof(at_entry_t)/sizeof(uint32_t)) 509 510/* 511 * QLA2100 CTIO (type 2) entry 512 */ 513#define MAXRESPLEN 26 514typedef struct { 515 isphdr_t ct_header; 516 uint16_t ct_reserved; 517 uint16_t ct_fwhandle; /* just to match CTIO */ 518 uint8_t ct_lun; /* lun */ 519 uint8_t ct_iid; /* initiator id */ 520 uint16_t ct_rxid; /* response ID */ 521 uint16_t ct_flags; 522 uint16_t ct_status; /* isp status */ 523 uint16_t ct_timeout; 524 uint16_t ct_seg_count; 525 uint32_t ct_reloff; /* relative offset */ 526 int32_t ct_resid; /* residual length */ 527 union { 528 /* 529 * The three different modes that the target driver 530 * can set the CTIO{2,3,4} up as. 531 * 532 * The first is for sending FCP_DATA_IUs as well as 533 * (optionally) sending a terminal SCSI status FCP_RSP_IU. 534 * 535 * The second is for sending SCSI sense data in an FCP_RSP_IU. 536 * Note that no FCP_DATA_IUs will be sent. 537 * 538 * The third is for sending FCP_RSP_IUs as built specifically 539 * in system memory as located by the isp_dataseg. 540 */ 541 struct { 542 uint32_t _reserved; 543 uint16_t _reserved2; 544 uint16_t ct_scsi_status; 545 uint32_t ct_xfrlen; 546 union { 547 ispds_t ct_a[ISP_RQDSEG_T2]; /* CTIO2 */ 548 ispds64_t ct_b[ISP_RQDSEG_T3]; /* CTIO3 */ 549 ispdslist_t ct_c; /* CTIO4 */ 550 } _u; 551#define ct_dataseg _u.ct_a 552#define ct_dataseg64 _u.ct_b 553#define ct_dslist _u.ct_c 554 } m0; 555 struct { 556 uint16_t _reserved; 557 uint16_t _reserved2; 558 uint16_t ct_senselen; 559 uint16_t ct_scsi_status; 560 uint16_t ct_resplen; 561 uint8_t ct_resp[MAXRESPLEN]; 562 } m1; 563 struct { 564 uint32_t _reserved; 565 uint16_t _reserved2; 566 uint16_t _reserved3; 567 uint32_t ct_datalen; 568 ispds_t ct_fcp_rsp_iudata; 569 } m2; 570 } rsp; 571} ct2_entry_t; 572 573typedef struct { 574 isphdr_t ct_header; 575 uint16_t ct_reserved; 576 uint16_t ct_fwhandle; /* just to match CTIO */ 577 uint16_t ct_iid; /* initiator id */ 578 uint16_t ct_rxid; /* response ID */ 579 uint16_t ct_flags; 580 uint16_t ct_status; /* isp status */ 581 uint16_t ct_timeout; 582 uint16_t ct_seg_count; 583 uint32_t ct_reloff; /* relative offset */ 584 int32_t ct_resid; /* residual length */ 585 union { 586 struct { 587 uint32_t _reserved; 588 uint16_t _reserved2; 589 uint16_t ct_scsi_status; 590 uint32_t ct_xfrlen; 591 union { 592 ispds_t ct_a[ISP_RQDSEG_T2]; /* CTIO2 */ 593 ispds64_t ct_b[ISP_RQDSEG_T3]; /* CTIO3 */ 594 ispdslist_t ct_c; /* CTIO4 */ 595 } _u; 596 } m0; 597 struct { 598 uint16_t _reserved; 599 uint16_t _reserved2; 600 uint16_t ct_senselen; 601 uint16_t ct_scsi_status; 602 uint16_t ct_resplen; 603 uint8_t ct_resp[MAXRESPLEN]; 604 } m1; 605 struct { 606 uint32_t _reserved; 607 uint16_t _reserved2; 608 uint16_t _reserved3; 609 uint32_t ct_datalen; 610 ispds_t ct_fcp_rsp_iudata; 611 } m2; 612 } rsp; 613} ct2e_entry_t; 614 615/* 616 * ct_flags values for CTIO2 617 */ 618#define CT2_FLAG_MMASK 0x0003 619#define CT2_FLAG_MODE0 0x0000 620#define CT2_FLAG_MODE1 0x0001 621#define CT2_FLAG_MODE2 0x0002 622#define CT2_DATA_IN CT_DATA_IN 623#define CT2_DATA_OUT CT_DATA_OUT 624#define CT2_NO_DATA CT_NO_DATA 625#define CT2_DATAMASK CT_DATAMASK 626#define CT2_CCINCR 0x0100 627#define CT2_FASTPOST 0x0200 628#define CT2_TERMINATE 0x4000 629#define CT2_SENDSTATUS 0x8000 630 631/* 632 * ct_status values are (mostly) the same as that for ct_entry. 633 */ 634 635/* 636 * ct_scsi_status values- the low 8 bits are the normal SCSI status 637 * we know and love. The upper 8 bits are validity markers for FCP_RSP_IU 638 * fields. 639 */ 640#define CT2_RSPLEN_VALID 0x0100 641#define CT2_SNSLEN_VALID 0x0200 642#define CT2_DATA_OVER 0x0400 643#define CT2_DATA_UNDER 0x0800 644 645/* 646 * Debug macros 647 */ 648 649#define ISP_TDQE(isp, msg, idx, arg) \ 650 if (isp->isp_dblev & ISP_LOGTDEBUG2) isp_print_qentry(isp, msg, idx, arg) 651 652/* 653 * The functions below are for the publicly available 654 * target mode functions that are internal to the Qlogic driver. 655 */ 656 657/* 658 * This function handles new response queue entry appropriate for target mode. 659 */ 660int isp_target_notify(ispsoftc_t *, void *, uint16_t *); 661 662/* 663 * This function externalizes the ability to acknowledge an Immediate Notify 664 * request. 665 */ 666void isp_notify_ack(ispsoftc_t *, void *); 667 668/* 669 * Enable/Disable/Modify a logical unit. 670 * (softc, cmd, bus, tgt, lun, cmd_cnt, inotify_cnt, opaque) 671 */ 672#define DFLT_CMND_CNT 0xfe /* unmonitored */ 673#define DFLT_INOT_CNT 0xfe /* unmonitored */ 674int isp_lun_cmd(ispsoftc_t *, int, int, int, int, int, int, uint32_t); 675 676/* 677 * General request queue 'put' routine for target mode entries. 678 */ 679int isp_target_put_entry(ispsoftc_t *isp, void *); 680 681/* 682 * General routine to put back an ATIO entry- 683 * used for replenishing f/w resource counts. 684 * The argument is a pointer to a source ATIO 685 * or ATIO2. 686 */ 687int isp_target_put_atio(ispsoftc_t *, void *); 688 689/* 690 * General routine to send a final CTIO for a command- used mostly for 691 * local responses. 692 */ 693int isp_endcmd(ispsoftc_t *, void *, uint32_t, uint16_t); 694#define ECMD_SVALID 0x100 695 696/* 697 * Handle an asynchronous event 698 * 699 * Return nonzero if the interrupt that generated this event has been dismissed. 700 */ 701int isp_target_async(ispsoftc_t *, int, int); 702 703#endif /* _ISP_TARGET_H */ 704