Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/isp_target.h
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1 -/* $NetBSD: isp_target.h,v 1.25 2008/03/11 05:33:30 mjacob Exp $ */ 2 /*- 3 * Copyright (c) 1997-2008 by Matthew Jacob 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 */ 29 /* 30 * Qlogic Target Mode Structure and Flag Definitions 31 */ 32 #ifndef _ISP_TARGET_H 33 #define _ISP_TARGET_H 34 35 #define QLTM_SENSELEN 18 /* non-FC cards only */ 36 #define QLTM_SVALID 0x80 37 38 /* 39 * Structure for Enable Lun and Modify Lun queue entries 40 */ 41 typedef struct { 42 isphdr_t le_header; 43 uint32_t le_reserved; 44 uint8_t le_lun; 45 uint8_t le_rsvd; 46 uint8_t le_ops; /* Modify LUN only */ 47 uint8_t le_tgt; /* Not for FC */ 48 uint32_t le_flags; /* Not for FC */ 49 uint8_t le_status; 50 uint8_t le_reserved2; 51 uint8_t le_cmd_count; 52 uint8_t le_in_count; 53 uint8_t le_cdb6len; /* Not for FC */ 54 uint8_t le_cdb7len; /* Not for FC */ 55 uint16_t le_timeout; 56 uint16_t le_reserved3[20]; 57 } lun_entry_t; 58 59 /* 60 * le_flags values 61 */ 62 #define LUN_TQAE 0x00000002 /* bit1 Tagged Queue Action Enable */ 63 #define LUN_DSSM 0x01000000 /* bit24 Disable Sending SDP Message */ 64 #define LUN_DISAD 0x02000000 /* bit25 Disable autodisconnect */ 65 #define LUN_DM 0x40000000 /* bit30 Disconnects Mandatory */ 66 67 /* 68 * le_ops values 69 */ 70 #define LUN_CCINCR 0x01 /* increment command count */ 71 #define LUN_CCDECR 0x02 /* decrement command count */ 72 #define LUN_ININCR 0x40 /* increment immed. notify count */ 73 #define LUN_INDECR 0x80 /* decrement immed. notify count */ 74 75 /* 76 * le_status values 77 */ 78 #define LUN_OK 0x01 /* we be rockin' */ 79 #define LUN_ERR 0x04 /* request completed with error */ 80 #define LUN_INVAL 0x06 /* invalid request */ 81 #define LUN_NOCAP 0x16 /* can't provide requested capability */ 82 #define LUN_ENABLED 0x3E /* LUN already enabled */ 83 84 /* 85 * Immediate Notify Entry structure 86 */ 87 #define IN_MSGLEN 8 /* 8 bytes */ 88 #define IN_RSVDLEN 8 /* 8 words */ 89 typedef struct { 90 isphdr_t in_header; 91 uint32_t in_reserved; 92 uint8_t in_lun; /* lun */ 93 uint8_t in_iid; /* initiator */ 94 uint8_t in_reserved2; 95 uint8_t in_tgt; /* target */ 96 uint32_t in_flags; 97 uint8_t in_status; 98 uint8_t in_rsvd2; 99 uint8_t in_tag_val; /* tag value */ 100 uint8_t in_tag_type; /* tag type */ 101 uint16_t in_seqid; /* sequence id */ 102 uint8_t in_msg[IN_MSGLEN]; /* SCSI message bytes */ 103 uint16_t in_reserved3[IN_RSVDLEN]; 104 uint8_t in_sense[QLTM_SENSELEN];/* suggested sense data */ 105 } in_entry_t; 106 107 typedef struct { 108 isphdr_t in_header; 109 uint32_t in_reserved; 110 uint8_t in_lun; /* lun */ 111 uint8_t in_iid; /* initiator */ 112 uint16_t in_scclun; 113 uint32_t in_reserved2; 114 uint16_t in_status; 115 uint16_t in_task_flags; 116 uint16_t in_seqid; /* sequence id */ 117 } in_fcentry_t; 118 119 typedef struct { 120 isphdr_t in_header; 121 uint32_t in_reserved; 122 uint16_t in_iid; /* initiator */ 123 uint16_t in_scclun; 124 uint32_t in_reserved2; 125 uint16_t in_status; 126 uint16_t in_task_flags; 127 uint16_t in_seqid; /* sequence id */ 128 } in_fcentry_e_t; 129 130 /* 131 * Values for the in_status field 132 */ 133 #define IN_REJECT 0x0D /* Message Reject message received */ 134 #define IN_RESET 0x0E /* Bus Reset occurred */ 135 #define IN_NO_RCAP 0x16 /* requested capability not available */ 136 #define IN_IDE_RECEIVED 0x33 /* Initiator Detected Error msg received */ 137 #define IN_RSRC_UNAVAIL 0x34 /* resource unavailable */ 138 #define IN_MSG_RECEIVED 0x36 /* SCSI message received */ 139 #define IN_ABORT_TASK 0x20 /* task named in RX_ID is being aborted (FC) */ 140 #define IN_PORT_LOGOUT 0x29 /* port has logged out (FC) */ 141 #define IN_PORT_CHANGED 0x2A /* port changed */ 142 #define IN_GLOBAL_LOGO 0x2E /* all ports logged out */ 143 #define IN_NO_NEXUS 0x3B /* Nexus not established */ 144 145 /* 146 * Values for the in_task_flags field- should only get one at a time! 147 */ 148 #define TASK_FLAGS_RESERVED_MASK (0xe700) 149 #define TASK_FLAGS_CLEAR_ACA (1<<14) 150 #define TASK_FLAGS_TARGET_RESET (1<<13) 151 #define TASK_FLAGS_LUN_RESET (1<<12) 152 #define TASK_FLAGS_CLEAR_TASK_SET (1<<10) 153 #define TASK_FLAGS_ABORT_TASK_SET (1<<9) 154 155 /* 156 * ISP24XX Immediate Notify 157 */ 158 typedef struct { 159 isphdr_t in_header; 160 uint32_t in_reserved; 161 uint16_t in_nphdl; 162 uint16_t in_reserved1; 163 uint16_t in_flags; 164 uint16_t in_srr_rxid; 165 uint16_t in_status; 166 uint8_t in_status_subcode; 167 uint8_t in_reserved2; 168 uint32_t in_rxid; 169 uint16_t in_srr_reloff_lo; 170 uint16_t in_srr_reloff_hi; 171 uint16_t in_srr_iu; 172 uint16_t in_srr_oxid; 173 /* 174 * If bit 2 is set in in_flags, the following 175 * two tags are valid. If the received ELS is 176 * a LOGO, then these tags contain the N Port ID 177 * from the LOGO payload. If the received ELS 178 * request is TPRLO, these tags contain the 179 * Third Party Originator N Port ID. 180 */ 181 uint16_t in_nport_id_hi; 182 uint8_t in_nport_id_lo; 183 uint8_t in_reserved3; 184 /* 185 * If bit 2 is set in in_flags, the following 186 * tag is valid. If the received ELS is a LOGO, 187 * then this tag contains the n-port handle 188 * from the LOGO payload. If the received ELS 189 * request is TPRLO, this tag contain the 190 * n-port handle for the Third Party Originator. 191 */ 192 uint16_t in_np_handle; 193 uint8_t in_reserved4[12]; 194 uint8_t in_reserved5; 195 uint8_t in_vpindex; 196 uint32_t in_reserved6; 197 uint16_t in_portid_lo; 198 uint8_t in_portid_hi; 199 uint8_t in_reserved7; 200 uint16_t in_reserved8; 201 uint16_t in_oxid; 202 } in_fcentry_24xx_t; 203 204 #define IN24XX_FLAG_PUREX_IOCB 0x1 205 #define IN24XX_FLAG_GLOBAL_LOGOUT 0x2 206 #define IN24XX_FLAG_NPHDL_VALID 0x4 207 208 #define IN24XX_LIP_RESET 0x0E 209 #define IN24XX_LINK_RESET 0x0F 210 #define IN24XX_PORT_LOGOUT 0x29 211 #define IN24XX_PORT_CHANGED 0x2A 212 #define IN24XX_LINK_FAILED 0x2E 213 #define IN24XX_SRR_RCVD 0x45 214 #define IN24XX_ELS_RCVD 0x46 /* 215 * login-affectin ELS received- check 216 * subcode for specific opcode 217 */ 218 219 /* 220 * For f/w > 4.0.25, these offsets in the Immediate Notify contain 221 * the WWNN/WWPN if the ELS is PLOGI, PDISC or ADISC. The WWN is in 222 * Big Endian format. 223 */ 224 #define IN24XX_PLOGI_WWNN_OFF 0x20 225 #define IN24XX_PLOGI_WWPN_OFF 0x28 226 227 /* 228 * For f/w > 4.0.25, this offset in the Immediate Notify contain 229 * the WWPN if the ELS is LOGO. The WWN is in Big Endian format. 230 */ 231 #define IN24XX_LOGO_WWPN_OFF 0x28 232 233 /* 234 * Notify Acknowledge Entry structure 235 */ 236 #define NA_RSVDLEN 22 237 typedef struct { 238 isphdr_t na_header; 239 uint32_t na_reserved; 240 uint8_t na_lun; /* lun */ 241 uint8_t na_iid; /* initiator */ 242 uint8_t na_reserved2; 243 uint8_t na_tgt; /* target */ 244 uint32_t na_flags; 245 uint8_t na_status; 246 uint8_t na_event; 247 uint16_t na_seqid; /* sequence id */ 248 uint16_t na_reserved3[NA_RSVDLEN]; 249 } na_entry_t; 250 251 /* 252 * Value for the na_event field 253 */ 254 #define NA_RST_CLRD 0x80 /* Clear an async event notification */ 255 #define NA_OK 0x01 /* Notify Acknowledge Succeeded */ 256 #define NA_INVALID 0x06 /* Invalid Notify Acknowledge */ 257 258 #define NA2_RSVDLEN 21 259 typedef struct { 260 isphdr_t na_header; 261 uint32_t na_reserved; 262 uint8_t na_reserved1; 263 uint8_t na_iid; /* initiator loop id */ 264 uint16_t na_response; 265 uint16_t na_flags; 266 uint16_t na_reserved2; 267 uint16_t na_status; 268 uint16_t na_task_flags; 269 uint16_t na_seqid; /* sequence id */ 270 uint16_t na_reserved3[NA2_RSVDLEN]; 271 } na_fcentry_t; 272 273 typedef struct { 274 isphdr_t na_header; 275 uint32_t na_reserved; 276 uint16_t na_iid; /* initiator loop id */ 277 uint16_t na_response; /* response code */ 278 uint16_t na_flags; 279 uint16_t na_reserved2; 280 uint16_t na_status; 281 uint16_t na_task_flags; 282 uint16_t na_seqid; /* sequence id */ 283 uint16_t na_reserved3[NA2_RSVDLEN]; 284 } na_fcentry_e_t; 285 286 #define NAFC_RCOUNT 0x80 /* increment resource count */ 287 #define NAFC_RST_CLRD 0x20 /* Clear LIP Reset */ 288 #define NAFC_TVALID 0x10 /* task mangement response code is valid */ 289 290 /* 291 * ISP24XX Notify Acknowledge 292 */ 293 294 typedef struct { 295 isphdr_t na_header; 296 uint32_t na_handle; 297 uint16_t na_nphdl; 298 uint16_t na_reserved1; 299 uint16_t na_flags; 300 uint16_t na_srr_rxid; 301 uint16_t na_status; 302 uint8_t na_status_subcode; 303 uint8_t na_reserved2; 304 uint32_t na_rxid; 305 uint16_t na_srr_reloff_lo; 306 uint16_t na_srr_reloff_hi; 307 uint16_t na_srr_iu; 308 uint16_t na_srr_flags; 309 uint8_t na_reserved3[18]; 310 uint8_t na_reserved4; 311 uint8_t na_vpindex; 312 uint8_t na_srr_reject_vunique; 313 uint8_t na_srr_reject_explanation; 314 uint8_t na_srr_reject_code; 315 uint8_t na_reserved5; 316 uint8_t na_reserved6[6]; 317 uint16_t na_oxid; 318 } na_fcentry_24xx_t; 319 320 /* 321 * Accept Target I/O Entry structure 322 */ 323 #define ATIO_CDBLEN 26 324 325 typedef struct { 326 isphdr_t at_header; 327 uint16_t at_reserved; 328 uint16_t at_handle; 329 uint8_t at_lun; /* lun */ 330 uint8_t at_iid; /* initiator */ 331 uint8_t at_cdblen; /* cdb length */ 332 uint8_t at_tgt; /* target */ 333 uint32_t at_flags; 334 uint8_t at_status; /* firmware status */ 335 uint8_t at_scsi_status; /* scsi status */ 336 uint8_t at_tag_val; /* tag value */ 337 uint8_t at_tag_type; /* tag type */ 338 uint8_t at_cdb[ATIO_CDBLEN]; /* received CDB */ 339 uint8_t at_sense[QLTM_SENSELEN];/* suggested sense data */ 340 } at_entry_t; 341 342 /* 343 * at_flags values 344 */ 345 #define AT_NODISC 0x00008000 /* disconnect disabled */ 346 #define AT_TQAE 0x00000002 /* Tagged Queue Action enabled */ 347 348 /* 349 * at_status values 350 */ 351 #define AT_PATH_INVALID 0x07 /* ATIO sent to firmware for disabled lun */ 352 #define AT_RESET 0x0E /* SCSI Bus Reset Occurred */ 353 #define AT_PHASE_ERROR 0x14 /* Bus phase sequence error */ 354 #define AT_NOCAP 0x16 /* Requested capability not available */ 355 #define AT_BDR_MSG 0x17 /* Bus Device Reset msg received */ 356 #define AT_CDB 0x3D /* CDB received */ 357 /* 358 * Macros to create and fetch and test concatenated handle and tag value macros 359 */ 360 361 #define AT_MAKE_TAGID(tid, bus, inst, aep) \ 362 tid = aep->at_handle; \ 363 if (aep->at_flags & AT_TQAE) { \ 364 tid |= (aep->at_tag_val << 16); \ 365 tid |= (1 << 24); \ 366 } \ 367 tid |= (bus << 25); \ 368 tid |= (inst << 26) 369 370 #define CT_MAKE_TAGID(tid, bus, inst, ct) \ 371 tid = ct->ct_fwhandle; \ 372 if (ct->ct_flags & CT_TQAE) { \ 373 tid |= (ct->ct_tag_val << 16); \ 374 tid |= (1 << 24); \ 375 } \ 376 tid |= ((bus & 0x1) << 25); \ 377 tid |= (inst << 26) 378 379 #define AT_HAS_TAG(val) ((val) & (1 << 24)) 380 #define AT_GET_TAG(val) (((val) >> 16) & 0xff) 381 #define AT_GET_INST(val) (((val) >> 26) & 0x3f) 382 #define AT_GET_BUS(val) (((val) >> 25) & 0x1) 383 #define AT_GET_HANDLE(val) ((val) & 0xffff) 384 385 #define IN_MAKE_TAGID(tid, bus, inst, inp) \ 386 tid = inp->in_seqid; \ 387 tid |= (inp->in_tag_val << 16); \ 388 tid |= (1 << 24); \ 389 tid |= (bus << 25); \ 390 tid |= (inst << 26) 391 392 #define TAG_INSERT_INST(tid, inst) \ 393 tid &= ~(0x3ffffff); \ 394 tid |= (inst << 26) 395 396 #define TAG_INSERT_BUS(tid, bus) \ 397 tid &= ~(1 << 25); \ 398 tid |= (bus << 25) 399 400 /* 401 * Accept Target I/O Entry structure, Type 2 402 */ 403 #define ATIO2_CDBLEN 16 404 405 typedef struct { 406 isphdr_t at_header; 407 uint32_t at_reserved; 408 uint8_t at_lun; /* lun or reserved */ 409 uint8_t at_iid; /* initiator */ 410 uint16_t at_rxid; /* response ID */ 411 uint16_t at_flags; 412 uint16_t at_status; /* firmware status */ 413 uint8_t at_crn; /* command reference number */ 414 uint8_t at_taskcodes; 415 uint8_t at_taskflags; 416 uint8_t at_execodes; 417 uint8_t at_cdb[ATIO2_CDBLEN]; /* received CDB */ 418 uint32_t at_datalen; /* allocated data len */ 419 uint16_t at_scclun; /* SCC Lun or reserved */ 420 uint16_t at_wwpn[4]; /* WWPN of initiator */ 421 uint16_t at_reserved2[6]; 422 uint16_t at_oxid; 423 } at2_entry_t; 424 425 typedef struct { 426 isphdr_t at_header; 427 uint32_t at_reserved; 428 uint16_t at_iid; /* initiator */ 429 uint16_t at_rxid; /* response ID */ 430 uint16_t at_flags; 431 uint16_t at_status; /* firmware status */ 432 uint8_t at_crn; /* command reference number */ 433 uint8_t at_taskcodes; 434 uint8_t at_taskflags; 435 uint8_t at_execodes; 436 uint8_t at_cdb[ATIO2_CDBLEN]; /* received CDB */ 437 uint32_t at_datalen; /* allocated data len */ 438 uint16_t at_scclun; /* SCC Lun or reserved */ 439 uint16_t at_wwpn[4]; /* WWPN of initiator */ 440 uint16_t at_reserved2[6]; 441 uint16_t at_oxid; 442 } at2e_entry_t; 443 444 #define ATIO2_WWPN_OFFSET 0x2A 445 #define ATIO2_OXID_OFFSET 0x3E 446 447 #define ATIO2_TC_ATTR_MASK 0x7 448 #define ATIO2_TC_ATTR_SIMPLEQ 0 449 #define ATIO2_TC_ATTR_HEADOFQ 1 450 #define ATIO2_TC_ATTR_ORDERED 2 451 #define ATIO2_TC_ATTR_ACAQ 4 452 #define ATIO2_TC_ATTR_UNTAGGED 5 453 454 #define ATIO2_EX_WRITE 0x1 455 #define ATIO2_EX_READ 0x2 456 /* 457 * Macros to create and fetch and test concatenated handle and tag value macros 458 */ 459 #define AT2_MAKE_TAGID(tid, bus, inst, aep) \ 460 tid = aep->at_rxid; \ 461 tid |= (((uint64_t)inst) << 32); \ 462 tid |= (((uint64_t)bus) << 48) 463 464 #define CT2_MAKE_TAGID(tid, bus, inst, ct) \ 465 tid = ct->ct_rxid; \ 466 tid |= (((uint64_t)inst) << 32); \ 467 tid |= (((uint64_t)(bus & 0xff)) << 48) 468 469 #define AT2_HAS_TAG(val) 1 470 #define AT2_GET_TAG(val) ((val) & 0xffffffff) 471 #define AT2_GET_INST(val) (((val) >> 32) & 0xffff) 472 #define AT2_GET_HANDLE AT2_GET_TAG 473 #define AT2_GET_BUS(val) (((val) >> 48) & 0xff) 474 475 #define FC_HAS_TAG AT2_HAS_TAG 476 #define FC_GET_TAG AT2_GET_TAG 477 #define FC_GET_INST AT2_GET_INST 478 #define FC_GET_HANDLE AT2_GET_HANDLE 479 480 #define IN_FC_MAKE_TAGID(tid, bus, inst, seqid) \ 481 tid = seqid; \ 482 tid |= (((uint64_t)inst) << 32); \ 483 tid |= (((uint64_t)(bus & 0xff)) << 48) 484 485 #define FC_TAG_INSERT_INST(tid, inst) \ 486 tid &= ~0x0000ffff00000000ull; \ 487 tid |= (((uint64_t)inst) << 32) 488 489 /* 490 * 24XX ATIO Definition 491 * 492 * This is *quite* different from other entry types. 493 * First of all, it has its own queue it comes in on. 494 * 495 * Secondly, it doesn't have a normal header. 496 * 497 * Thirdly, it's just a passthru of the FCP CMND IU 498 * which is recorded in big endian mode. 499 */ 500 typedef struct { 501 uint8_t at_type; 502 uint8_t at_count; 503 /* 504 * Task attribute in high four bits, 505 * the rest is the FCP CMND IU Length. 506 * NB: the command can extend past the 507 * length for a single queue entry. 508 */ 509 uint16_t at_ta_len; 510 uint32_t at_rxid; 511 fc_hdr_t at_hdr; 512 fcp_cmnd_iu_t at_cmnd; 513 } at7_entry_t; 514 #define AT7_NORESRC_RXID 0xffffffff 515 516 517 /* 518 * Continue Target I/O Entry structure 519 * Request from driver. The response from the 520 * ISP firmware is the same except that the last 18 521 * bytes are overwritten by suggested sense data if 522 * the 'autosense valid' bit is set in the status byte. 523 */ 524 typedef struct { 525 isphdr_t ct_header; 526 uint16_t ct_syshandle; 527 uint16_t ct_fwhandle; /* required by f/w */ 528 uint8_t ct_lun; /* lun */ 529 uint8_t ct_iid; /* initiator id */ 530 uint8_t ct_reserved2; 531 uint8_t ct_tgt; /* our target id */ 532 uint32_t ct_flags; 533 uint8_t ct_status; /* isp status */ 534 uint8_t ct_scsi_status; /* scsi status */ 535 uint8_t ct_tag_val; /* tag value */ 536 uint8_t ct_tag_type; /* tag type */ 537 uint32_t ct_xfrlen; /* transfer length */ 538 uint32_t ct_resid; /* residual length */ 539 uint16_t ct_timeout; 540 uint16_t ct_seg_count; 541 ispds_t ct_dataseg[ISP_RQDSEG]; 542 } ct_entry_t; 543 544 /* 545 * For some of the dual port SCSI adapters, port (bus #) is reported 546 * in the MSbit of ct_iid. Bit fields are a bit too awkward here. 547 * 548 * Note that this does not apply to FC adapters at all which can and 549 * do report IIDs between 0x81 && 0xfe (or 0x7ff) which represent devices 550 * that have logged in across a SCSI fabric. 551 */ 552 #define GET_IID_VAL(x) (x & 0x3f) 553 #define GET_BUS_VAL(x) ((x >> 7) & 0x1) 554 #define SET_IID_VAL(y, x) y = ((y & ~0x3f) | (x & 0x3f)) 555 #define SET_BUS_VAL(y, x) y = ((y & 0x3f) | ((x & 0x1) << 7)) 556 557 /* 558 * ct_flags values 559 */ 560 #define CT_TQAE 0x00000002 /* bit 1, Tagged Queue Action enable */ 561 #define CT_DATA_IN 0x00000040 /* bits 6&7, Data direction */ 562 #define CT_DATA_OUT 0x00000080 /* bits 6&7, Data direction */ 563 #define CT_NO_DATA 0x000000C0 /* bits 6&7, Data direction */ 564 #define CT_CCINCR 0x00000100 /* bit 8, autoincrement atio count */ 565 #define CT_DATAMASK 0x000000C0 /* bits 6&7, Data direction */ 566 #define CT_INISYNCWIDE 0x00004000 /* bit 14, Do Sync/Wide Negotiation */ 567 #define CT_NODISC 0x00008000 /* bit 15, Disconnects disabled */ 568 #define CT_DSDP 0x01000000 /* bit 24, Disable Save Data Pointers */ 569 #define CT_SENDRDP 0x04000000 /* bit 26, Send Restore Pointers msg */ 570 #define CT_SENDSTATUS 0x80000000 /* bit 31, Send SCSI status byte */ 571 572 /* 573 * ct_status values 574 * - set by the firmware when it returns the CTIO 575 */ 576 #define CT_OK 0x01 /* completed without error */ 577 #define CT_ABORTED 0x02 /* aborted by host */ 578 #define CT_ERR 0x04 /* see sense data for error */ 579 #define CT_INVAL 0x06 /* request for disabled lun */ 580 #define CT_NOPATH 0x07 /* invalid ITL nexus */ 581 #define CT_INVRXID 0x08 /* (FC only) Invalid RX_ID */ 582 #define CT_DATA_OVER 0x09 /* (FC only) Data Overrun */ 583 #define CT_RSELTMO 0x0A /* reselection timeout after 2 tries */ 584 #define CT_TIMEOUT 0x0B /* timed out */ 585 #define CT_RESET 0x0E /* SCSI Bus Reset occurred */ 586 #define CT_PARITY 0x0F /* Uncorrectable Parity Error */ 587 #define CT_BUS_ERROR 0x10 /* (FC Only) DMA PCI Error */ 588 #define CT_PANIC 0x13 /* Unrecoverable Error */ 589 #define CT_PHASE_ERROR 0x14 /* Bus phase sequence error */ 590 #define CT_DATA_UNDER 0x15 /* (FC only) Data Underrun */ 591 #define CT_BDR_MSG 0x17 /* Bus Device Reset msg received */ 592 #define CT_TERMINATED 0x19 /* due to Terminate Transfer mbox cmd */ 593 #define CT_PORTUNAVAIL 0x28 /* port not available */ 594 #define CT_LOGOUT 0x29 /* port logout */ 595 #define CT_PORTCHANGED 0x2A /* port changed */ 596 #define CT_IDE 0x33 /* Initiator Detected Error */ 597 #define CT_NOACK 0x35 /* Outstanding Immed. Notify. entry */ 598 #define CT_SRR 0x45 /* SRR Received */ 599 #define CT_LUN_RESET 0x48 /* Lun Reset Received */ 600 601 /* 602 * When the firmware returns a CTIO entry, it may overwrite the last 603 * part of the structure with sense data. This starts at offset 0x2E 604 * into the entry, which is in the middle of ct_dataseg[1]. Rather 605 * than define a new struct for this, I'm just using the sense data 606 * offset. 607 */ 608 #define CTIO_SENSE_OFFSET 0x2E 609 610 /* 611 * Entry length in u_longs. All entries are the same size so 612 * any one will do as the numerator. 613 */ 614 #define UINT32_ENTRY_SIZE (sizeof(at_entry_t)/sizeof(uint32_t)) 615 616 /* 617 * QLA2100 CTIO (type 2) entry 618 */ 619 #define MAXRESPLEN 26 620 typedef struct { 621 isphdr_t ct_header; 622 uint32_t ct_syshandle; 623 uint8_t ct_lun; /* lun */ 624 uint8_t ct_iid; /* initiator id */ 625 uint16_t ct_rxid; /* response ID */ 626 uint16_t ct_flags; 627 uint16_t ct_status; /* isp status */ 628 uint16_t ct_timeout; 629 uint16_t ct_seg_count; 630 uint32_t ct_reloff; /* relative offset */ 631 int32_t ct_resid; /* residual length */ 632 union { 633 /* 634 * The three different modes that the target driver 635 * can set the CTIO{2,3,4} up as. 636 * 637 * The first is for sending FCP_DATA_IUs as well as 638 * (optionally) sending a terminal SCSI status FCP_RSP_IU. 639 * 640 * The second is for sending SCSI sense data in an FCP_RSP_IU. 641 * Note that no FCP_DATA_IUs will be sent. 642 * 643 * The third is for sending FCP_RSP_IUs as built specifically 644 * in system memory as located by the isp_dataseg. 645 */ 646 struct { 647 uint32_t _reserved; 648 uint16_t _reserved2; 649 uint16_t ct_scsi_status; 650 uint32_t ct_xfrlen; 651 union { 652 ispds_t ct_dataseg[ISP_RQDSEG_T2]; 653 ispds64_t ct_dataseg64[ISP_RQDSEG_T3]; 654 ispdslist_t ct_dslist; 655 } u; 656 } m0; 657 struct { 658 uint16_t _reserved; 659 uint16_t _reserved2; 660 uint16_t ct_senselen; 661 uint16_t ct_scsi_status; 662 uint16_t ct_resplen; 663 uint8_t ct_resp[MAXRESPLEN]; 664 } m1; 665 struct { 666 uint32_t _reserved; 667 uint16_t _reserved2; 668 uint16_t _reserved3; 669 uint32_t ct_datalen; 670 ispds_t ct_fcp_rsp_iudata; 671 } m2; 672 } rsp; 673 } ct2_entry_t; 674 675 typedef struct { 676 isphdr_t ct_header; 677 uint32_t ct_syshandle; 678 uint16_t ct_iid; /* initiator id */ 679 uint16_t ct_rxid; /* response ID */ 680 uint16_t ct_flags; 681 uint16_t ct_status; /* isp status */ 682 uint16_t ct_timeout; 683 uint16_t ct_seg_count; 684 uint32_t ct_reloff; /* relative offset */ 685 int32_t ct_resid; /* residual length */ 686 union { 687 struct { 688 uint32_t _reserved; 689 uint16_t _reserved2; 690 uint16_t ct_scsi_status; 691 uint32_t ct_xfrlen; 692 union { 693 ispds_t ct_dataseg[ISP_RQDSEG_T2]; 694 ispds64_t ct_dataseg64[ISP_RQDSEG_T3]; 695 ispdslist_t ct_dslist; 696 } u; 697 } m0; 698 struct { 699 uint16_t _reserved; 700 uint16_t _reserved2; 701 uint16_t ct_senselen; 702 uint16_t ct_scsi_status; 703 uint16_t ct_resplen; 704 uint8_t ct_resp[MAXRESPLEN]; 705 } m1; 706 struct { 707 uint32_t _reserved; 708 uint16_t _reserved2; 709 uint16_t _reserved3; 710 uint32_t ct_datalen; 711 ispds_t ct_fcp_rsp_iudata; 712 } m2; 713 } rsp; 714 } ct2e_entry_t; 715 716 /* 717 * ct_flags values for CTIO2 718 */ 719 #define CT2_FLAG_MODE0 0x0000 720 #define CT2_FLAG_MODE1 0x0001 721 #define CT2_FLAG_MODE2 0x0002 722 #define CT2_FLAG_MMASK 0x0003 723 #define CT2_DATA_IN 0x0040 724 #define CT2_DATA_OUT 0x0080 725 #define CT2_NO_DATA 0x00C0 726 #define CT2_DATAMASK 0x00C0 727 #define CT2_CCINCR 0x0100 728 #define CT2_FASTPOST 0x0200 729 #define CT2_CONFIRM 0x2000 730 #define CT2_TERMINATE 0x4000 731 #define CT2_SENDSTATUS 0x8000 732 733 /* 734 * ct_status values are (mostly) the same as that for ct_entry. 735 */ 736 737 /* 738 * ct_scsi_status values- the low 8 bits are the normal SCSI status 739 * we know and love. The upper 8 bits are validity markers for FCP_RSP_IU 740 * fields. 741 */ 742 #define CT2_RSPLEN_VALID 0x0100 743 #define CT2_SNSLEN_VALID 0x0200 744 #define CT2_DATA_OVER 0x0400 745 #define CT2_DATA_UNDER 0x0800 746 747 /* 748 * ISP24XX CTIO 749 */ 750 #define MAXRESPLEN_24XX 24 751 typedef struct { 752 isphdr_t ct_header; 753 uint32_t ct_syshandle; 754 uint16_t ct_nphdl; /* status on returned CTIOs */ 755 uint16_t ct_timeout; 756 uint16_t ct_seg_count; 757 uint8_t ct_vpindex; 758 uint8_t ct_xflags; 759 uint16_t ct_iid_lo; /* low 16 bits of portid */ 760 uint8_t ct_iid_hi; /* hi 8 bits of portid */ 761 uint8_t ct_reserved; 762 uint32_t ct_rxid; 763 uint16_t ct_senselen; /* mode 1 only */ 764 uint16_t ct_flags; 765 int32_t ct_resid; /* residual length */ 766 uint16_t ct_oxid; 767 uint16_t ct_scsi_status; /* modes 0 && 1 only */ 768 union { 769 struct { 770 uint32_t reloff; 771 uint32_t reserved0; 772 uint32_t ct_xfrlen; 773 uint32_t reserved1; 774 ispds64_t ds; 775 } m0; 776 struct { 777 uint16_t ct_resplen; 778 uint16_t reserved; 779 uint8_t ct_resp[MAXRESPLEN_24XX]; 780 } m1; 781 struct { 782 uint32_t reserved0; 783 uint32_t ct_datalen; 784 uint32_t reserved1; 785 ispds64_t ct_fcp_rsp_iudata; 786 } m2; 787 } rsp; 788 } ct7_entry_t; 789 790 /* 791 * ct_flags values for CTIO7 792 */ 793 #define CT7_DATA_IN 0x0002 794 #define CT7_DATA_OUT 0x0001 795 #define CT7_NO_DATA 0x0000 796 #define CT7_DATAMASK 0x003 797 #define CT7_DSD_ENABLE 0x0004 798 #define CT7_CONF_STSFD 0x0010 799 #define CT7_EXPLCT_CONF 0x0020 800 #define CT7_FLAG_MODE0 0x0000 801 #define CT7_FLAG_MODE1 0x0040 802 #define CT7_FLAG_MODE2 0x0080 803 #define CT7_FLAG_MMASK 0x00C0 804 #define CT7_NOACK 0x0100 805 #define CT7_TASK_ATTR_SHIFT 9 806 #define CT7_CONFIRM 0x2000 807 #define CT7_TERMINATE 0x4000 808 #define CT7_SENDSTATUS 0x8000 809 810 /* 811 * Type 7 CTIO status codes 812 */ 813 #define CT7_OK 0x01 /* completed without error */ 814 #define CT7_ABORTED 0x02 /* aborted by host */ 815 #define CT7_ERR 0x04 /* see sense data for error */ 816 #define CT7_INVAL 0x06 /* request for disabled lun */ 817 #define CT7_INVRXID 0x08 /* (FC only) Invalid RX_ID */ 818 #define CT7_DATA_OVER 0x09 /* (FC only) Data Overrun */ 819 #define CT7_TIMEOUT 0x0B /* timed out */ 820 #define CT7_RESET 0x0E /* LIP Rset Received */ 821 #define CT7_BUS_ERROR 0x10 /* DMA PCI Error */ 822 #define CT7_REASSY_ERR 0x11 /* DMA reassembly error */ 823 #define CT7_DATA_UNDER 0x15 /* (FC only) Data Underrun */ 824 #define CT7_PORTUNAVAIL 0x28 /* port not available */ 825 #define CT7_LOGOUT 0x29 /* port logout */ 826 #define CT7_PORTCHANGED 0x2A /* port changed */ 827 #define CT7_SRR 0x45 /* SRR Received */ 828 829 /* 830 * Other 24XX related target IOCBs 831 */ 832 833 /* 834 * ABTS Received 835 */ 836 typedef struct { 837 isphdr_t abts_header; 838 uint8_t abts_reserved0[6]; 839 uint16_t abts_nphdl; 840 uint16_t abts_reserved1; 841 uint16_t abts_sof; 842 uint32_t abts_rxid_abts; 843 uint16_t abts_did_lo; 844 uint8_t abts_did_hi; 845 uint8_t abts_r_ctl; 846 uint16_t abts_sid_lo; 847 uint8_t abts_sid_hi; 848 uint8_t abts_cs_ctl; 849 uint16_t abts_fs_ctl; 850 uint8_t abts_f_ctl; 851 uint8_t abts_type; 852 uint16_t abts_seq_cnt; 853 uint8_t abts_df_ctl; 854 uint8_t abts_seq_id; 855 uint16_t abts_rx_id; 856 uint16_t abts_ox_id; 857 uint32_t abts_param; 858 uint8_t abts_reserved2[16]; 859 uint32_t abts_rxid_task; 860 } abts_t; 861 862 typedef struct { 863 isphdr_t abts_rsp_header; 864 uint32_t abts_rsp_handle; 865 uint16_t abts_rsp_status; 866 uint16_t abts_rsp_nphdl; 867 uint16_t abts_rsp_ctl_flags; 868 uint16_t abts_rsp_sof; 869 uint32_t abts_rsp_rxid_abts; 870 uint16_t abts_rsp_did_lo; 871 uint8_t abts_rsp_did_hi; 872 uint8_t abts_rsp_r_ctl; 873 uint16_t abts_rsp_sid_lo; 874 uint8_t abts_rsp_sid_hi; 875 uint8_t abts_rsp_cs_ctl; 876 uint16_t abts_rsp_f_ctl_lo; 877 uint8_t abts_rsp_f_ctl_hi; 878 uint8_t abts_rsp_type; 879 uint16_t abts_rsp_seq_cnt; 880 uint8_t abts_rsp_df_ctl; 881 uint8_t abts_rsp_seq_id; 882 uint16_t abts_rsp_rx_id; 883 uint16_t abts_rsp_ox_id; 884 uint32_t abts_rsp_param; 885 union { 886 struct { 887 uint16_t reserved; 888 uint8_t last_seq_id; 889 uint8_t seq_id_valid; 890 uint16_t aborted_rx_id; 891 uint16_t aborted_ox_id; 892 uint16_t high_seq_cnt; 893 uint16_t low_seq_cnt; 894 uint8_t reserved2[4]; 895 } ba_acc; 896 struct { 897 uint8_t vendor_unique; 898 uint8_t explanation; 899 uint8_t reason; 900 uint8_t reserved; 901 uint8_t reserved2[12]; 902 } ba_rjt; 903 struct { 904 uint8_t reserved[8]; 905 uint32_t subcode1; 906 uint32_t subcode2; 907 } rsp; 908 uint8_t reserved[16]; 909 } abts_rsp_payload; 910 uint32_t abts_rsp_rxid_task; 911 } abts_rsp_t; 912 913 /* terminate this ABTS exchange */ 914 #define ISP24XX_ABTS_RSP_TERMINATE 0x01 915 916 #define ISP24XX_ABTS_RSP_COMPLETE 0x00 917 #define ISP24XX_ABTS_RSP_RESET 0x04 918 #define ISP24XX_ABTS_RSP_ABORTED 0x05 919 #define ISP24XX_ABTS_RSP_TIMEOUT 0x06 920 #define ISP24XX_ABTS_RSP_INVXID 0x08 921 #define ISP24XX_ABTS_RSP_LOGOUT 0x29 922 #define ISP24XX_ABTS_RSP_SUBCODE 0x31 923 924 #define ISP24XX_NO_TASK 0xffffffff 925 926 /* 927 * Debug macros 928 */ 929 930 #define ISP_TDQE(isp, msg, idx, arg) \ 931 if (isp->isp_dblev & ISP_LOGTDEBUG2) isp_print_qentry(isp, msg, idx, arg) 932 933 #ifndef ISP_TOOLS 934 /* 935 * The functions below are for the publicly available 936 * target mode functions that are internal to the Qlogic driver. 937 */ 938 939 /* 940 * This function handles new response queue entry appropriate for target mode. 941 */ 942 int isp_target_notify(ispsoftc_t *, void *, uint32_t *); 943 944 /* 945 * This function externalizes the ability to acknowledge an Immediate Notify 946 * request. 947 */ 948 void isp_notify_ack(ispsoftc_t *, void *); 949 950 /* 951 * Enable/Disable/Modify a logical unit. 952 * (softc, cmd, bus, tgt, lun, cmd_cnt, inotify_cnt) 953 */ 954 #define DFLT_CMND_CNT 0xfe /* unmonitored */ 955 #define DFLT_INOT_CNT 0xfe /* unmonitored */ 956 int isp_lun_cmd(ispsoftc_t *, int, int, int, int, int); 957 958 /* 959 * General request queue 'put' routine for target mode entries. 960 */ 961 int isp_target_put_entry(ispsoftc_t *isp, void *); 962 963 /* 964 * General routine to put back an ATIO entry- 965 * used for replenishing f/w resource counts. 966 * The argument is a pointer to a source ATIO 967 * or ATIO2. 968 */ 969 int isp_target_put_atio(ispsoftc_t *, void *); 970 971 /* 972 * General routine to send a final CTIO for a command- used mostly for 973 * local responses. 974 */ 975 int isp_endcmd(ispsoftc_t *, ...); 976 #define ECMD_SVALID 0x100 977 978 /* 979 * Handle an asynchronous event 980 * 981 * Return nonzero if the interrupt that generated this event has been dismissed. 982 */ 983 int isp_target_async(ispsoftc_t *, int, int); 984 #endif 985 #endif /* _ISP_TARGET_H */
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