1 /*- 2 * Copyright (c) 1997-2009 by Matthew Jacob 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 */ 28 /* 29 * Machine and OS Independent Target Mode Code for the Qlogic SCSI/FC adapters. 30 */ 31 /* 32 * Bug fixes gratefully acknowledged from: 33 * Oded Kedem <oded@kashya.com> 34 */ 35 /* 36 * Include header file appropriate for platform we're building on. 37 */ 38 39 #ifdef __NetBSD__ 40 #include <dev/ic/isp_netbsd.h> 41 #endif 42 #ifdef __FreeBSD__ 43 #include <sys/cdefs.h> 44 __FBSDID("$FreeBSD$"); 45 #include <dev/isp/isp_freebsd.h> 46 #endif 47 #ifdef __OpenBSD__ 48 #include <dev/ic/isp_openbsd.h> 49 #endif 50 #ifdef __linux__ 51 #include "isp_linux.h" 52 #endif 53 54 #ifdef ISP_TARGET_MODE 55 static const char atiocope[] = "ATIO returned for LUN %x because it was in the middle of Bus Device Reset on bus %d"; 56 static const char atior[] = "ATIO returned for LUN %x from handle 0x%x because a Bus Reset occurred on bus %d"; 57 static const char rqo[] = "%s: Request Queue Overflow"; 58 59 static void isp_got_msg_fc(ispsoftc_t *, in_fcentry_t *); 60 static void isp_got_tmf_24xx(ispsoftc_t *, at7_entry_t *); 61 static void isp_handle_atio2(ispsoftc_t *, at2_entry_t *); 62 static void isp_handle_ctio2(ispsoftc_t *, ct2_entry_t *); 63 static void isp_handle_ctio7(ispsoftc_t *, ct7_entry_t *); 64 static void isp_handle_24xx_inotify(ispsoftc_t *, in_fcentry_24xx_t *); 65 66 /* 67 * The Qlogic driver gets an interrupt to look at response queue entries. 68 * Some of these are status completions for initiatior mode commands, but 69 * if target mode is enabled, we get a whole wad of response queue entries 70 * to be handled here. 71 * 72 * Basically the split into 3 main groups: Lun Enable/Modification responses, 73 * SCSI Command processing, and Immediate Notification events. 74 * 75 * You start by writing a request queue entry to enable target mode (and 76 * establish some resource limitations which you can modify later). 77 * The f/w responds with a LUN ENABLE or LUN MODIFY response with 78 * the status of this action. If the enable was successful, you can expect... 79 * 80 * Response queue entries with SCSI commands encapsulate show up in an ATIO 81 * (Accept Target IO) type- sometimes with enough info to stop the command at 82 * this level. Ultimately the driver has to feed back to the f/w's request 83 * queue a sequence of CTIOs (continue target I/O) that describe data to 84 * be moved and/or status to be sent) and finally finishing with sending 85 * to the f/w's response queue an ATIO which then completes the handshake 86 * with the f/w for that command. There's a lot of variations on this theme, 87 * including flags you can set in the CTIO for the Qlogic 2X00 fibre channel 88 * cards that 'auto-replenish' the f/w's ATIO count, but this is the basic 89 * gist of it. 90 * 91 * The third group that can show up in the response queue are Immediate 92 * Notification events. These include things like notifications of SCSI bus 93 * resets, or Bus Device Reset messages or other messages received. This 94 * a classic oddbins area. It can get a little weird because you then turn 95 * around and acknowledge the Immediate Notify by writing an entry onto the 96 * request queue and then the f/w turns around and gives you an acknowledgement 97 * to *your* acknowledgement on the response queue (the idea being to let 98 * the f/w tell you when the event is *really* over I guess). 99 * 100 */ 101 102 103 /* 104 * A new response queue entry has arrived. The interrupt service code 105 * has already swizzled it into the platform dependent from canonical form. 106 * 107 * Because of the way this driver is designed, unfortunately most of the 108 * actual synchronization work has to be done in the platform specific 109 * code- we have no synchroniation primitives in the common code. 110 */ 111 112 int 113 isp_target_notify(ispsoftc_t *isp, void *vptr, uint32_t *optrp) 114 { 115 uint16_t status; 116 uint32_t seqid; 117 union { 118 at2_entry_t *at2iop; 119 at2e_entry_t *at2eiop; 120 at7_entry_t *at7iop; 121 ct2_entry_t *ct2iop; 122 ct2e_entry_t *ct2eiop; 123 ct7_entry_t *ct7iop; 124 lun_entry_t *lunenp; 125 in_fcentry_t *inot_fcp; 126 in_fcentry_e_t *inote_fcp; 127 in_fcentry_24xx_t *inot_24xx; 128 na_fcentry_t *nack_fcp; 129 na_fcentry_e_t *nacke_fcp; 130 na_fcentry_24xx_t *nack_24xx; 131 isphdr_t *hp; 132 abts_t *abts; 133 abts_rsp_t *abts_rsp; 134 els_t *els; 135 void * *vp; 136 #define at2iop unp.at2iop 137 #define at2eiop unp.at2eiop 138 #define at7iop unp.at7iop 139 #define ct2iop unp.ct2iop 140 #define ct2eiop unp.ct2eiop 141 #define ct7iop unp.ct7iop 142 #define lunenp unp.lunenp 143 #define inot_fcp unp.inot_fcp 144 #define inote_fcp unp.inote_fcp 145 #define inot_24xx unp.inot_24xx 146 #define nack_fcp unp.nack_fcp 147 #define nacke_fcp unp.nacke_fcp 148 #define nack_24xx unp.nack_24xx 149 #define abts unp.abts 150 #define abts_rsp unp.abts_rsp 151 #define els unp.els 152 #define hdrp unp.hp 153 } unp; 154 uint8_t local[QENTRY_LEN]; 155 uint16_t iid; 156 int bus, type, len, level, rval = 1; 157 isp_notify_t notify; 158 159 type = isp_get_response_type(isp, (isphdr_t *)vptr); 160 unp.vp = vptr; 161 162 ISP_TDQE(isp, "isp_target_notify", (int) *optrp, vptr); 163 164 switch (type) { 165 case RQSTYPE_ATIO: 166 isp_get_atio7(isp, at7iop, (at7_entry_t *) local); 167 at7iop = (at7_entry_t *) local; 168 /* 169 * Check for and do something with commands whose 170 * IULEN extends past a single queue entry. 171 */ 172 len = at7iop->at_ta_len & 0x0fff; 173 if (len > (QENTRY_LEN - 8)) { 174 len -= (QENTRY_LEN - 8); 175 isp_prt(isp, ISP_LOGINFO, "long IU length (%d) ignored", len); 176 while (len > 0) { 177 *optrp = ISP_NXT_QENTRY(*optrp, RESULT_QUEUE_LEN(isp)); 178 len -= QENTRY_LEN; 179 } 180 } 181 /* 182 * Check for a task management function 183 */ 184 if (at7iop->at_cmnd.fcp_cmnd_task_management) { 185 isp_got_tmf_24xx(isp, at7iop); 186 break; 187 } 188 /* 189 * Just go straight to outer layer for this one. 190 */ 191 isp_async(isp, ISPASYNC_TARGET_ACTION, local); 192 break; 193 194 case RQSTYPE_ATIO2: 195 if (ISP_CAP_2KLOGIN(isp)) { 196 isp_get_atio2e(isp, at2eiop, (at2e_entry_t *) local); 197 } else { 198 isp_get_atio2(isp, at2iop, (at2_entry_t *) local); 199 } 200 isp_handle_atio2(isp, (at2_entry_t *) local); 201 break; 202 203 case RQSTYPE_CTIO3: 204 case RQSTYPE_CTIO2: 205 if (ISP_CAP_2KLOGIN(isp)) { 206 isp_get_ctio2e(isp, ct2eiop, (ct2e_entry_t *) local); 207 } else { 208 isp_get_ctio2(isp, ct2iop, (ct2_entry_t *) local); 209 } 210 isp_handle_ctio2(isp, (ct2_entry_t *) local); 211 break; 212 213 case RQSTYPE_CTIO7: 214 isp_get_ctio7(isp, ct7iop, (ct7_entry_t *) local); 215 isp_handle_ctio7(isp, (ct7_entry_t *) local); 216 break; 217 218 case RQSTYPE_ENABLE_LUN: 219 case RQSTYPE_MODIFY_LUN: 220 isp_get_enable_lun(isp, lunenp, (lun_entry_t *) local); 221 isp_async(isp, ISPASYNC_TARGET_ACTION, local); 222 break; 223 224 case RQSTYPE_NOTIFY: 225 bus = 0; 226 if (IS_24XX(isp)) { 227 isp_get_notify_24xx(isp, inot_24xx, (in_fcentry_24xx_t *)local); 228 inot_24xx = (in_fcentry_24xx_t *) local; 229 isp_handle_24xx_inotify(isp, inot_24xx); 230 break; 231 } else { 232 if (ISP_CAP_2KLOGIN(isp)) { 233 in_fcentry_e_t *ecp = (in_fcentry_e_t *)local; 234 isp_get_notify_fc_e(isp, inote_fcp, ecp); 235 iid = ecp->in_iid; 236 status = ecp->in_status; 237 seqid = ecp->in_seqid; 238 } else { 239 in_fcentry_t *fcp = (in_fcentry_t *)local; 240 isp_get_notify_fc(isp, inot_fcp, fcp); 241 iid = fcp->in_iid; 242 status = fcp->in_status; 243 seqid = fcp->in_seqid; 244 } 245 } 246 247 isp_prt(isp, ISP_LOGTDEBUG0, "Immediate Notify On Bus %d, status=0x%x seqid=0x%x", bus, status, seqid); 248 249 switch (status) { 250 case IN_MSG_RECEIVED: 251 case IN_IDE_RECEIVED: 252 isp_got_msg_fc(isp, (in_fcentry_t *)local); 253 break; 254 case IN_RSRC_UNAVAIL: 255 isp_prt(isp, ISP_LOGINFO, "Firmware out of ATIOs"); 256 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, local); 257 break; 258 259 case IN_RESET: 260 ISP_MEMZERO(¬ify, sizeof (isp_notify_t)); 261 notify.nt_hba = isp; 262 notify.nt_wwn = INI_ANY; 263 notify.nt_tgt = TGT_ANY; 264 notify.nt_nphdl = iid; 265 notify.nt_sid = PORT_ANY; 266 notify.nt_did = PORT_ANY; 267 notify.nt_lun = LUN_ANY; 268 notify.nt_tagval = TAG_ANY; 269 notify.nt_tagval |= (((uint64_t)(isp->isp_serno++)) << 32); 270 notify.nt_ncode = NT_BUS_RESET; 271 notify.nt_need_ack = 1; 272 notify.nt_lreserved = local; 273 isp_async(isp, ISPASYNC_TARGET_NOTIFY, ¬ify); 274 break; 275 276 case IN_PORT_LOGOUT: 277 ISP_MEMZERO(¬ify, sizeof (isp_notify_t)); 278 notify.nt_hba = isp; 279 notify.nt_wwn = INI_ANY; 280 notify.nt_nphdl = iid; 281 notify.nt_sid = PORT_ANY; 282 notify.nt_did = PORT_ANY; 283 notify.nt_ncode = NT_LOGOUT; 284 notify.nt_need_ack = 1; 285 notify.nt_lreserved = local; 286 isp_async(isp, ISPASYNC_TARGET_NOTIFY, ¬ify); 287 break; 288 289 case IN_ABORT_TASK: 290 ISP_MEMZERO(¬ify, sizeof (isp_notify_t)); 291 notify.nt_hba = isp; 292 notify.nt_wwn = INI_ANY; 293 notify.nt_nphdl = iid; 294 notify.nt_sid = PORT_ANY; 295 notify.nt_did = PORT_ANY; 296 notify.nt_ncode = NT_ABORT_TASK; 297 notify.nt_need_ack = 1; 298 notify.nt_lreserved = local; 299 isp_async(isp, ISPASYNC_TARGET_NOTIFY, ¬ify); 300 break; 301 302 case IN_GLOBAL_LOGO: 303 isp_prt(isp, ISP_LOGTINFO, "%s: all ports logged out", __func__); 304 ISP_MEMZERO(¬ify, sizeof (isp_notify_t)); 305 notify.nt_hba = isp; 306 notify.nt_wwn = INI_ANY; 307 notify.nt_nphdl = NIL_HANDLE; 308 notify.nt_sid = PORT_ANY; 309 notify.nt_did = PORT_ANY; 310 notify.nt_ncode = NT_GLOBAL_LOGOUT; 311 notify.nt_need_ack = 1; 312 notify.nt_lreserved = local; 313 isp_async(isp, ISPASYNC_TARGET_NOTIFY, ¬ify); 314 break; 315 316 case IN_PORT_CHANGED: 317 isp_prt(isp, ISP_LOGTINFO, "%s: port changed", __func__); 318 ISP_MEMZERO(¬ify, sizeof (isp_notify_t)); 319 notify.nt_hba = isp; 320 notify.nt_wwn = INI_ANY; 321 notify.nt_nphdl = NIL_HANDLE; 322 notify.nt_sid = PORT_ANY; 323 notify.nt_did = PORT_ANY; 324 notify.nt_ncode = NT_CHANGED; 325 notify.nt_need_ack = 1; 326 notify.nt_lreserved = local; 327 isp_async(isp, ISPASYNC_TARGET_NOTIFY, ¬ify); 328 break; 329 330 default: 331 ISP_SNPRINTF(local, sizeof local, "%s: unknown status to RQSTYPE_NOTIFY (0x%x)", __func__, status); 332 isp_print_bytes(isp, local, QENTRY_LEN, vptr); 333 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, local); 334 break; 335 } 336 break; 337 338 case RQSTYPE_NOTIFY_ACK: 339 /* 340 * The ISP is acknowledging our acknowledgement of an 341 * Immediate Notify entry for some asynchronous event. 342 */ 343 if (IS_24XX(isp)) { 344 isp_get_notify_ack_24xx(isp, nack_24xx, (na_fcentry_24xx_t *) local); 345 nack_24xx = (na_fcentry_24xx_t *) local; 346 if (nack_24xx->na_status != NA_OK) { 347 level = ISP_LOGINFO; 348 } else { 349 level = ISP_LOGTDEBUG1; 350 } 351 isp_prt(isp, level, "Notify Ack Status=0x%x; Subcode 0x%x seqid=0x%x", nack_24xx->na_status, nack_24xx->na_status_subcode, nack_24xx->na_rxid); 352 } else { 353 if (ISP_CAP_2KLOGIN(isp)) { 354 isp_get_notify_ack_fc_e(isp, nacke_fcp, (na_fcentry_e_t *)local); 355 } else { 356 isp_get_notify_ack_fc(isp, nack_fcp, (na_fcentry_t *)local); 357 } 358 nack_fcp = (na_fcentry_t *)local; 359 if (nack_fcp->na_status != NA_OK) { 360 level = ISP_LOGINFO; 361 } else { 362 level = ISP_LOGTDEBUG1; 363 } 364 isp_prt(isp, level, "Notify Ack Status=0x%x seqid 0x%x", nack_fcp->na_status, nack_fcp->na_seqid); 365 } 366 break; 367 368 case RQSTYPE_ABTS_RCVD: 369 isp_get_abts(isp, abts, (abts_t *)local); 370 isp_async(isp, ISPASYNC_TARGET_ACTION, &local); 371 break; 372 case RQSTYPE_ABTS_RSP: 373 isp_get_abts_rsp(isp, abts_rsp, (abts_rsp_t *)local); 374 abts_rsp = (abts_rsp_t *) local; 375 if (abts_rsp->abts_rsp_status) { 376 level = ISP_LOGINFO; 377 } else { 378 level = ISP_LOGTDEBUG0; 379 } 380 isp_prt(isp, level, "ABTS RSP response[0x%x]: status=0x%x sub=(0x%x 0x%x)", abts_rsp->abts_rsp_rxid_task, abts_rsp->abts_rsp_status, 381 abts_rsp->abts_rsp_payload.rsp.subcode1, abts_rsp->abts_rsp_payload.rsp.subcode2); 382 break; 383 default: 384 isp_prt(isp, ISP_LOGERR, "%s: unknown entry type 0x%x", __func__, type); 385 rval = 0; 386 break; 387 } 388 #undef atiop 389 #undef at2iop 390 #undef at2eiop 391 #undef at7iop 392 #undef ctiop 393 #undef ct2iop 394 #undef ct2eiop 395 #undef ct7iop 396 #undef lunenp 397 #undef inotp 398 #undef inot_fcp 399 #undef inote_fcp 400 #undef inot_24xx 401 #undef nackp 402 #undef nack_fcp 403 #undef nacke_fcp 404 #undef hack_24xx 405 #undef abts 406 #undef abts_rsp 407 #undef els 408 #undef hdrp 409 return (rval); 410 } 411 412 int 413 isp_target_put_entry(ispsoftc_t *isp, void *ap) 414 { 415 void *outp; 416 uint8_t etype = ((isphdr_t *) ap)->rqs_entry_type; 417 418 outp = isp_getrqentry(isp); 419 if (outp == NULL) { 420 isp_prt(isp, ISP_LOGWARN, rqo, __func__); 421 return (-1); 422 } 423 switch (etype) { 424 case RQSTYPE_ATIO2: 425 if (ISP_CAP_2KLOGIN(isp)) { 426 isp_put_atio2e(isp, (at2e_entry_t *) ap, (at2e_entry_t *) outp); 427 } else { 428 isp_put_atio2(isp, (at2_entry_t *) ap, (at2_entry_t *) outp); 429 } 430 break; 431 case RQSTYPE_CTIO2: 432 if (ISP_CAP_2KLOGIN(isp)) { 433 isp_put_ctio2e(isp, (ct2e_entry_t *) ap, (ct2e_entry_t *) outp); 434 } else { 435 isp_put_ctio2(isp, (ct2_entry_t *) ap, (ct2_entry_t *) outp); 436 } 437 break; 438 case RQSTYPE_CTIO7: 439 isp_put_ctio7(isp, (ct7_entry_t *) ap, (ct7_entry_t *) outp); 440 break; 441 default: 442 isp_prt(isp, ISP_LOGERR, "%s: Unknown type 0x%x", __func__, etype); 443 return (-1); 444 } 445 ISP_TDQE(isp, __func__, isp->isp_reqidx, ap); 446 ISP_SYNC_REQUEST(isp); 447 return (0); 448 } 449 450 int 451 isp_target_put_atio(ispsoftc_t *isp, void *arg) 452 { 453 at2_entry_t *aep = arg; 454 union { 455 at2_entry_t _atio2; 456 at2e_entry_t _atio2e; 457 } atun; 458 459 ISP_MEMZERO(&atun, sizeof atun); 460 atun._atio2.at_header.rqs_entry_type = RQSTYPE_ATIO2; 461 atun._atio2.at_header.rqs_entry_count = 1; 462 if (ISP_CAP_SCCFW(isp)) { 463 atun._atio2.at_scclun = aep->at_scclun; 464 } else { 465 atun._atio2.at_lun = (uint8_t) aep->at_lun; 466 } 467 if (ISP_CAP_2KLOGIN(isp)) { 468 atun._atio2e.at_iid = ((at2e_entry_t *)aep)->at_iid; 469 } else { 470 atun._atio2.at_iid = aep->at_iid; 471 } 472 atun._atio2.at_rxid = aep->at_rxid; 473 atun._atio2.at_status = CT_OK; 474 return (isp_target_put_entry(isp, &atun)); 475 } 476 477 /* 478 * Command completion- both for handling cases of no resources or 479 * no blackhole driver, or other cases where we have to, inline, 480 * finish the command sanely, or for normal command completion. 481 * 482 * The 'completion' code value has the scsi status byte in the low 8 bits. 483 * If status is a CHECK CONDITION and bit 8 is nonzero, then bits 12..15 have 484 * the sense key and bits 16..23 have the ASCQ and bits 24..31 have the ASC 485 * values. 486 * 487 * NB: the key, asc, ascq, cannot be used for parallel SCSI as it doesn't 488 * NB: inline SCSI sense reporting. As such, we lose this information. XXX. 489 * 490 * For both parallel && fibre channel, we use the feature that does 491 * an automatic resource autoreplenish so we don't have then later do 492 * put of an atio to replenish the f/w's resource count. 493 */ 494 495 int 496 isp_endcmd(ispsoftc_t *isp, ...) 497 { 498 uint32_t code, hdl; 499 uint8_t sts; 500 union { 501 ct2_entry_t _ctio2; 502 ct2e_entry_t _ctio2e; 503 ct7_entry_t _ctio7; 504 } un; 505 va_list ap; 506 int vpidx, nphdl; 507 508 ISP_MEMZERO(&un, sizeof un); 509 510 if (IS_24XX(isp)) { 511 at7_entry_t *aep; 512 ct7_entry_t *cto = &un._ctio7; 513 514 va_start(ap, isp); 515 aep = va_arg(ap, at7_entry_t *); 516 nphdl = va_arg(ap, int); 517 /* 518 * Note that vpidx may equal 0xff (unknown) here 519 */ 520 vpidx = va_arg(ap, int); 521 code = va_arg(ap, uint32_t); 522 hdl = va_arg(ap, uint32_t); 523 va_end(ap); 524 isp_prt(isp, ISP_LOGTDEBUG0, "%s: [RX_ID 0x%x] chan %d code %x", __func__, aep->at_rxid, vpidx, code); 525 526 sts = code & 0xff; 527 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 528 cto->ct_header.rqs_entry_count = 1; 529 cto->ct_nphdl = nphdl; 530 cto->ct_rxid = aep->at_rxid; 531 cto->ct_iid_lo = (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 532 cto->ct_iid_hi = aep->at_hdr.s_id[0]; 533 cto->ct_oxid = aep->at_hdr.ox_id; 534 cto->ct_scsi_status = sts; 535 cto->ct_vpidx = vpidx; 536 cto->ct_flags = CT7_NOACK; 537 if (code & ECMD_TERMINATE) { 538 cto->ct_flags |= CT7_TERMINATE; 539 } else if (code & ECMD_SVALID) { 540 cto->ct_flags |= CT7_FLAG_MODE1 | CT7_SENDSTATUS; 541 cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8); 542 cto->ct_senselen = min(16, MAXRESPLEN_24XX); 543 ISP_MEMZERO(cto->rsp.m1.ct_resp, sizeof (cto->rsp.m1.ct_resp)); 544 cto->rsp.m1.ct_resp[0] = 0xf0; 545 cto->rsp.m1.ct_resp[2] = (code >> 12) & 0xf; 546 cto->rsp.m1.ct_resp[7] = 8; 547 cto->rsp.m1.ct_resp[12] = (code >> 16) & 0xff; 548 cto->rsp.m1.ct_resp[13] = (code >> 24) & 0xff; 549 } else if (code & ECMD_RVALID) { 550 cto->ct_flags |= CT7_FLAG_MODE1 | CT7_SENDSTATUS; 551 cto->ct_scsi_status |= (FCP_RSPLEN_VALID << 8); 552 cto->rsp.m1.ct_resplen = 4; 553 ISP_MEMZERO(cto->rsp.m1.ct_resp, sizeof (cto->rsp.m1.ct_resp)); 554 cto->rsp.m1.ct_resp[0] = (code >> 12) & 0xf; 555 cto->rsp.m1.ct_resp[1] = (code >> 16) & 0xff; 556 cto->rsp.m1.ct_resp[2] = (code >> 24) & 0xff; 557 cto->rsp.m1.ct_resp[3] = 0; 558 } else { 559 cto->ct_flags |= CT7_FLAG_MODE1 | CT7_SENDSTATUS; 560 } 561 if (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl != 0) { 562 cto->ct_resid = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl; 563 cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8); 564 } 565 cto->ct_syshandle = hdl; 566 } else { 567 at2_entry_t *aep; 568 ct2_entry_t *cto = &un._ctio2; 569 570 va_start(ap, isp); 571 aep = va_arg(ap, at2_entry_t *); 572 /* nphdl and vpidx are unused here. */ 573 nphdl = va_arg(ap, int); 574 vpidx = va_arg(ap, int); 575 code = va_arg(ap, uint32_t); 576 hdl = va_arg(ap, uint32_t); 577 va_end(ap); 578 579 isp_prt(isp, ISP_LOGTDEBUG0, "%s: [RX_ID 0x%x] code %x", __func__, aep->at_rxid, code); 580 581 sts = code & 0xff; 582 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2; 583 cto->ct_header.rqs_entry_count = 1; 584 if (ISP_CAP_SCCFW(isp) == 0) { 585 cto->ct_lun = aep->at_lun; 586 } 587 if (ISP_CAP_2KLOGIN(isp)) { 588 un._ctio2e.ct_iid = ((at2e_entry_t *)aep)->at_iid; 589 } else { 590 cto->ct_iid = aep->at_iid; 591 } 592 cto->ct_rxid = aep->at_rxid; 593 cto->rsp.m1.ct_scsi_status = sts; 594 cto->ct_flags = CT2_SENDSTATUS | CT2_NO_DATA | CT2_FLAG_MODE1; 595 if (hdl == 0) { 596 cto->ct_flags |= CT2_CCINCR; 597 } 598 if (aep->at_datalen) { 599 cto->ct_resid = aep->at_datalen; 600 cto->rsp.m1.ct_scsi_status |= CT2_DATA_UNDER; 601 } 602 if (sts == SCSI_CHECK && (code & ECMD_SVALID)) { 603 cto->rsp.m1.ct_resp[0] = 0xf0; 604 cto->rsp.m1.ct_resp[2] = (code >> 12) & 0xf; 605 cto->rsp.m1.ct_resp[7] = 8; 606 cto->rsp.m1.ct_resp[12] = (code >> 24) & 0xff; 607 cto->rsp.m1.ct_resp[13] = (code >> 16) & 0xff; 608 cto->rsp.m1.ct_senselen = 16; 609 cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID; 610 } 611 cto->ct_syshandle = hdl; 612 } 613 return (isp_target_put_entry(isp, &un)); 614 } 615 616 /* 617 * These are either broadcast events or specifically CTIO fast completion 618 */ 619 620 int 621 isp_target_async(ispsoftc_t *isp, int bus, int event) 622 { 623 isp_notify_t notify; 624 625 ISP_MEMZERO(¬ify, sizeof (isp_notify_t)); 626 notify.nt_hba = isp; 627 notify.nt_wwn = INI_ANY; 628 notify.nt_nphdl = NIL_HANDLE; 629 notify.nt_sid = PORT_ANY; 630 notify.nt_did = PORT_ANY; 631 notify.nt_tgt = TGT_ANY; 632 notify.nt_channel = bus; 633 notify.nt_lun = LUN_ANY; 634 notify.nt_tagval = TAG_ANY; 635 notify.nt_tagval |= (((uint64_t)(isp->isp_serno++)) << 32); 636 637 switch (event) { 638 case ASYNC_LOOP_UP: 639 case ASYNC_PTPMODE: 640 isp_prt(isp, ISP_LOGTDEBUG0, "%s: LOOP UP", __func__); 641 notify.nt_ncode = NT_LINK_UP; 642 isp_async(isp, ISPASYNC_TARGET_NOTIFY, ¬ify); 643 break; 644 case ASYNC_LOOP_DOWN: 645 isp_prt(isp, ISP_LOGTDEBUG0, "%s: LOOP DOWN", __func__); 646 notify.nt_ncode = NT_LINK_DOWN; 647 isp_async(isp, ISPASYNC_TARGET_NOTIFY, ¬ify); 648 break; 649 case ASYNC_LIP_ERROR: 650 case ASYNC_LIP_NOS_OLS_RECV: 651 case ASYNC_LIP_OCCURRED: 652 case ASYNC_LOOP_RESET: 653 isp_prt(isp, ISP_LOGTDEBUG0, "%s: LIP RESET", __func__); 654 notify.nt_ncode = NT_LIP_RESET; 655 isp_async(isp, ISPASYNC_TARGET_NOTIFY, ¬ify); 656 break; 657 case ASYNC_BUS_RESET: 658 case ASYNC_TIMEOUT_RESET: /* XXX: where does this come from ? */ 659 isp_prt(isp, ISP_LOGTDEBUG0, "%s: BUS RESET", __func__); 660 notify.nt_ncode = NT_BUS_RESET; 661 isp_async(isp, ISPASYNC_TARGET_NOTIFY, ¬ify); 662 break; 663 case ASYNC_DEVICE_RESET: 664 isp_prt(isp, ISP_LOGTDEBUG0, "%s: DEVICE RESET", __func__); 665 notify.nt_ncode = NT_TARGET_RESET; 666 isp_async(isp, ISPASYNC_TARGET_NOTIFY, ¬ify); 667 break; 668 case ASYNC_CTIO_DONE: 669 { 670 uint8_t storage[QENTRY_LEN]; 671 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO DONE", __func__); 672 memset(storage, 0, QENTRY_LEN); 673 if (IS_24XX(isp)) { 674 ct7_entry_t *ct = (ct7_entry_t *) storage; 675 ct->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 676 ct->ct_nphdl = CT7_OK; 677 ct->ct_syshandle = bus; 678 ct->ct_flags = CT7_SENDSTATUS; 679 } else { 680 /* This should also suffice for 2K login code */ 681 ct2_entry_t *ct = (ct2_entry_t *) storage; 682 ct->ct_header.rqs_entry_type = RQSTYPE_CTIO2; 683 ct->ct_status = CT_OK; 684 ct->ct_syshandle = bus; 685 ct->ct_flags = CT2_SENDSTATUS|CT2_FASTPOST; 686 } 687 isp_async(isp, ISPASYNC_TARGET_ACTION, storage); 688 break; 689 } 690 default: 691 isp_prt(isp, ISP_LOGERR, "%s: unknown event 0x%x", __func__, event); 692 if (isp->isp_state == ISP_RUNSTATE) { 693 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, NULL); 694 } 695 break; 696 } 697 return (0); 698 } 699 700 /* 701 * Synthesize a message from the task management flags in a FCP_CMND_IU. 702 */ 703 static void 704 isp_got_msg_fc(ispsoftc_t *isp, in_fcentry_t *inp) 705 { 706 isp_notify_t notify; 707 static const char f1[] = "%s from N-port handle 0x%x lun %x seq 0x%x"; 708 static const char f2[] = "unknown %s 0x%x lun %x N-Port handle 0x%x task flags 0x%x seq 0x%x\n"; 709 uint16_t seqid, nphdl; 710 711 ISP_MEMZERO(¬ify, sizeof (isp_notify_t)); 712 notify.nt_hba = isp; 713 notify.nt_wwn = INI_ANY; 714 if (ISP_CAP_2KLOGIN(isp)) { 715 notify.nt_nphdl = ((in_fcentry_e_t *)inp)->in_iid; 716 nphdl = ((in_fcentry_e_t *)inp)->in_iid; 717 seqid = ((in_fcentry_e_t *)inp)->in_seqid; 718 } else { 719 notify.nt_nphdl = inp->in_iid; 720 nphdl = inp->in_iid; 721 seqid = inp->in_seqid; 722 } 723 notify.nt_sid = PORT_ANY; 724 notify.nt_did = PORT_ANY; 725 726 /* nt_tgt set in outer layers */ 727 if (ISP_CAP_SCCFW(isp)) { 728 notify.nt_lun = inp->in_scclun; 729 #if __FreeBSD_version < 1000700 730 notify.nt_lun &= 0x3fff; 731 #endif 732 } else { 733 notify.nt_lun = inp->in_lun; 734 } 735 notify.nt_tagval = seqid; 736 notify.nt_tagval |= (((uint64_t)(isp->isp_serno++)) << 32); 737 notify.nt_need_ack = 1; 738 notify.nt_lreserved = inp; 739 740 if (inp->in_status != IN_MSG_RECEIVED) { 741 isp_prt(isp, ISP_LOGINFO, f2, "immediate notify status", inp->in_status, notify.nt_lun, nphdl, inp->in_task_flags, inp->in_seqid); 742 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inp); 743 return; 744 } 745 746 if (inp->in_task_flags & TASK_FLAGS_ABORT_TASK_SET) { 747 isp_prt(isp, ISP_LOGINFO, f1, "ABORT TASK SET", nphdl, notify.nt_lun, inp->in_seqid); 748 notify.nt_ncode = NT_ABORT_TASK_SET; 749 } else if (inp->in_task_flags & TASK_FLAGS_CLEAR_TASK_SET) { 750 isp_prt(isp, ISP_LOGINFO, f1, "CLEAR TASK SET", nphdl, notify.nt_lun, inp->in_seqid); 751 notify.nt_ncode = NT_CLEAR_TASK_SET; 752 } else if (inp->in_task_flags & TASK_FLAGS_LUN_RESET) { 753 isp_prt(isp, ISP_LOGINFO, f1, "LUN RESET", nphdl, notify.nt_lun, inp->in_seqid); 754 notify.nt_ncode = NT_LUN_RESET; 755 } else if (inp->in_task_flags & TASK_FLAGS_TARGET_RESET) { 756 isp_prt(isp, ISP_LOGINFO, f1, "TARGET RESET", nphdl, notify.nt_lun, inp->in_seqid); 757 notify.nt_ncode = NT_TARGET_RESET; 758 } else if (inp->in_task_flags & TASK_FLAGS_CLEAR_ACA) { 759 isp_prt(isp, ISP_LOGINFO, f1, "CLEAR ACA", nphdl, notify.nt_lun, inp->in_seqid); 760 notify.nt_ncode = NT_CLEAR_ACA; 761 } else { 762 isp_prt(isp, ISP_LOGWARN, f2, "task flag", inp->in_status, notify.nt_lun, nphdl, inp->in_task_flags, inp->in_seqid); 763 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inp); 764 return; 765 } 766 isp_async(isp, ISPASYNC_TARGET_NOTIFY, ¬ify); 767 } 768 769 static void 770 isp_got_tmf_24xx(ispsoftc_t *isp, at7_entry_t *aep) 771 { 772 isp_notify_t notify; 773 static const char f1[] = "%s from PortID 0x%06x lun %x seq 0x%08x"; 774 static const char f2[] = "unknown Task Flag 0x%x lun %x PortID 0x%x tag 0x%08x"; 775 fcportdb_t *lp; 776 uint16_t chan; 777 uint32_t sid, did; 778 779 ISP_MEMZERO(¬ify, sizeof (isp_notify_t)); 780 notify.nt_hba = isp; 781 notify.nt_wwn = INI_ANY; 782 notify.nt_lun = (aep->at_cmnd.fcp_cmnd_lun[0] << 8) | (aep->at_cmnd.fcp_cmnd_lun[1]); 783 notify.nt_tagval = aep->at_rxid; 784 notify.nt_tagval |= (((uint64_t)(isp->isp_serno++)) << 32); 785 notify.nt_lreserved = aep; 786 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 787 did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2]; 788 if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) { 789 /* Channel has to be derived from D_ID */ 790 isp_find_chan_by_did(isp, did, &chan); 791 if (chan == ISP_NOCHAN) { 792 isp_prt(isp, ISP_LOGWARN, "%s: D_ID 0x%x not found on any channel", __func__, did); 793 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0); 794 return; 795 } 796 } else { 797 chan = 0; 798 } 799 if (isp_find_pdb_by_portid(isp, chan, sid, &lp)) 800 notify.nt_nphdl = lp->handle; 801 else 802 notify.nt_nphdl = NIL_HANDLE; 803 notify.nt_sid = sid; 804 notify.nt_did = did; 805 notify.nt_channel = chan; 806 if (aep->at_cmnd.fcp_cmnd_task_management & FCP_CMND_TMF_QUERY_TASK_SET) { 807 isp_prt(isp, ISP_LOGINFO, f1, "QUERY TASK SET", sid, notify.nt_lun, aep->at_rxid); 808 notify.nt_ncode = NT_QUERY_TASK_SET; 809 } else if (aep->at_cmnd.fcp_cmnd_task_management & FCP_CMND_TMF_ABORT_TASK_SET) { 810 isp_prt(isp, ISP_LOGINFO, f1, "ABORT TASK SET", sid, notify.nt_lun, aep->at_rxid); 811 notify.nt_ncode = NT_ABORT_TASK_SET; 812 } else if (aep->at_cmnd.fcp_cmnd_task_management & FCP_CMND_TMF_CLEAR_TASK_SET) { 813 isp_prt(isp, ISP_LOGINFO, f1, "CLEAR TASK SET", sid, notify.nt_lun, aep->at_rxid); 814 notify.nt_ncode = NT_CLEAR_TASK_SET; 815 } else if (aep->at_cmnd.fcp_cmnd_task_management & FCP_CMND_TMF_QUERY_ASYNC_EVENT) { 816 isp_prt(isp, ISP_LOGINFO, f1, "QUERY ASYNC EVENT", sid, notify.nt_lun, aep->at_rxid); 817 notify.nt_ncode = NT_QUERY_ASYNC_EVENT; 818 } else if (aep->at_cmnd.fcp_cmnd_task_management & FCP_CMND_TMF_LUN_RESET) { 819 isp_prt(isp, ISP_LOGINFO, f1, "LUN RESET", sid, notify.nt_lun, aep->at_rxid); 820 notify.nt_ncode = NT_LUN_RESET; 821 } else if (aep->at_cmnd.fcp_cmnd_task_management & FCP_CMND_TMF_TGT_RESET) { 822 isp_prt(isp, ISP_LOGINFO, f1, "TARGET RESET", sid, notify.nt_lun, aep->at_rxid); 823 notify.nt_ncode = NT_TARGET_RESET; 824 } else if (aep->at_cmnd.fcp_cmnd_task_management & FCP_CMND_TMF_CLEAR_ACA) { 825 isp_prt(isp, ISP_LOGINFO, f1, "CLEAR ACA", sid, notify.nt_lun, aep->at_rxid); 826 notify.nt_ncode = NT_CLEAR_ACA; 827 } else { 828 isp_prt(isp, ISP_LOGWARN, f2, aep->at_cmnd.fcp_cmnd_task_management, notify.nt_lun, sid, aep->at_rxid); 829 notify.nt_ncode = NT_UNKNOWN; 830 isp_endcmd(isp, aep, notify.nt_nphdl, chan, ECMD_RVALID | (0x4 << 12), 0); 831 return; 832 } 833 isp_async(isp, ISPASYNC_TARGET_NOTIFY, ¬ify); 834 } 835 836 int 837 isp_notify_ack(ispsoftc_t *isp, void *arg) 838 { 839 char storage[QENTRY_LEN]; 840 void *outp; 841 842 /* 843 * This is in case a Task Management Function ends up here. 844 */ 845 if (IS_24XX(isp) && arg != NULL && (((isphdr_t *)arg)->rqs_entry_type == RQSTYPE_ATIO)) { 846 at7_entry_t *aep = arg; 847 return (isp_endcmd(isp, aep, NIL_HANDLE, 0, 0, 0)); 848 } 849 850 outp = isp_getrqentry(isp); 851 if (outp == NULL) { 852 isp_prt(isp, ISP_LOGWARN, rqo, __func__); 853 return (1); 854 } 855 856 ISP_MEMZERO(storage, QENTRY_LEN); 857 858 if (IS_24XX(isp)) { 859 na_fcentry_24xx_t *na = (na_fcentry_24xx_t *) storage; 860 na->na_header.rqs_entry_type = RQSTYPE_NOTIFY_ACK; 861 na->na_header.rqs_entry_count = 1; 862 if (arg) { 863 in_fcentry_24xx_t *in = arg; 864 na->na_nphdl = in->in_nphdl; 865 na->na_flags = in->in_flags; 866 na->na_status = in->in_status; 867 na->na_status_subcode = in->in_status_subcode; 868 na->na_fwhandle = in->in_fwhandle; 869 na->na_rxid = in->in_rxid; 870 na->na_oxid = in->in_oxid; 871 na->na_vpidx = in->in_vpidx; 872 if (in->in_status == IN24XX_SRR_RCVD) { 873 na->na_srr_rxid = in->in_srr_rxid; 874 na->na_srr_reloff_hi = in->in_srr_reloff_hi; 875 na->na_srr_reloff_lo = in->in_srr_reloff_lo; 876 na->na_srr_iu = in->in_srr_iu; 877 /* 878 * Whether we're accepting the SRR or rejecting 879 * it is determined by looking at the in_reserved 880 * field in the original notify structure. 881 */ 882 if (in->in_reserved) { 883 na->na_srr_flags = 1; 884 na->na_srr_reject_vunique = 0; 885 na->na_srr_reject_code = 9; /* unable to perform this command at this time */ 886 na->na_srr_reject_explanation = 0x2a; /* unable to supply the requested data */ 887 } 888 } 889 } 890 isp_put_notify_24xx_ack(isp, na, (na_fcentry_24xx_t *)outp); 891 } else { 892 na_fcentry_t *na = (na_fcentry_t *) storage; 893 int iid = 0; 894 895 if (arg) { 896 in_fcentry_t *inp = arg; 897 ISP_MEMCPY(storage, arg, sizeof (isphdr_t)); 898 if (ISP_CAP_2KLOGIN(isp)) { 899 ((na_fcentry_e_t *)na)->na_iid = ((in_fcentry_e_t *)inp)->in_iid; 900 iid = ((na_fcentry_e_t *)na)->na_iid; 901 } else { 902 na->na_iid = inp->in_iid; 903 iid = na->na_iid; 904 } 905 na->na_task_flags = inp->in_task_flags & TASK_FLAGS_RESERVED_MASK; 906 na->na_seqid = inp->in_seqid; 907 na->na_status = inp->in_status; 908 na->na_flags = NAFC_RCOUNT; 909 if (inp->in_status == IN_RESET) { 910 na->na_flags = NAFC_RST_CLRD; /* We do not modify resource counts for LIP resets */ 911 } 912 if (inp->in_status == IN_MSG_RECEIVED) { 913 na->na_flags |= NAFC_TVALID; 914 na->na_response = 0; /* XXX SUCCEEDED XXX */ 915 } 916 } else { 917 na->na_flags = NAFC_RST_CLRD; 918 } 919 na->na_header.rqs_entry_type = RQSTYPE_NOTIFY_ACK; 920 na->na_header.rqs_entry_count = 1; 921 if (ISP_CAP_2KLOGIN(isp)) { 922 isp_put_notify_ack_fc_e(isp, (na_fcentry_e_t *) na, (na_fcentry_e_t *)outp); 923 } else { 924 isp_put_notify_ack_fc(isp, na, (na_fcentry_t *)outp); 925 } 926 isp_prt(isp, ISP_LOGTDEBUG0, "notify ack handle %x seqid %x flags %x tflags %x response %x", iid, na->na_seqid, 927 na->na_flags, na->na_task_flags, na->na_response); 928 } 929 ISP_TDQE(isp, "isp_notify_ack", isp->isp_reqidx, storage); 930 ISP_SYNC_REQUEST(isp); 931 return (0); 932 } 933 934 int 935 isp_acknak_abts(ispsoftc_t *isp, void *arg, int errno) 936 { 937 char storage[QENTRY_LEN]; 938 uint16_t tmpw; 939 uint8_t tmpb; 940 abts_t *abts = arg; 941 abts_rsp_t *rsp = (abts_rsp_t *) storage; 942 void *outp; 943 944 if (!IS_24XX(isp)) { 945 isp_prt(isp, ISP_LOGERR, "%s: called for non-24XX card", __func__); 946 return (0); 947 } 948 949 if (abts->abts_header.rqs_entry_type != RQSTYPE_ABTS_RCVD) { 950 isp_prt(isp, ISP_LOGERR, "%s: called for non-ABTS entry (0x%x)", __func__, abts->abts_header.rqs_entry_type); 951 return (0); 952 } 953 954 outp = isp_getrqentry(isp); 955 if (outp == NULL) { 956 isp_prt(isp, ISP_LOGWARN, rqo, __func__); 957 return (1); 958 } 959 960 ISP_MEMCPY(rsp, abts, QENTRY_LEN); 961 rsp->abts_rsp_header.rqs_entry_type = RQSTYPE_ABTS_RSP; 962 963 /* 964 * Swap destination and source for response. 965 */ 966 rsp->abts_rsp_r_ctl = BA_ACC; 967 tmpw = rsp->abts_rsp_did_lo; 968 tmpb = rsp->abts_rsp_did_hi; 969 rsp->abts_rsp_did_lo = rsp->abts_rsp_sid_lo; 970 rsp->abts_rsp_did_hi = rsp->abts_rsp_sid_hi; 971 rsp->abts_rsp_sid_lo = tmpw; 972 rsp->abts_rsp_sid_hi = tmpb; 973 974 rsp->abts_rsp_f_ctl_hi ^= 0x80; /* invert Exchange Context */ 975 rsp->abts_rsp_f_ctl_hi &= ~0x7f; /* clear Sequence Initiator and other bits */ 976 rsp->abts_rsp_f_ctl_hi |= 0x10; /* abort the whole exchange */ 977 rsp->abts_rsp_f_ctl_hi |= 0x8; /* last data frame of sequence */ 978 rsp->abts_rsp_f_ctl_hi |= 0x1; /* transfer Sequence Initiative */ 979 rsp->abts_rsp_f_ctl_lo = 0; 980 981 if (errno == 0) { 982 uint16_t rx_id, ox_id; 983 984 rx_id = rsp->abts_rsp_rx_id; 985 ox_id = rsp->abts_rsp_ox_id; 986 ISP_MEMZERO(&rsp->abts_rsp_payload.ba_acc, sizeof (rsp->abts_rsp_payload.ba_acc)); 987 isp_prt(isp, ISP_LOGTINFO, "[0x%x] ABTS of 0x%x being BA_ACC'd", rsp->abts_rsp_rxid_abts, rsp->abts_rsp_rxid_task); 988 rsp->abts_rsp_payload.ba_acc.aborted_rx_id = rx_id; 989 rsp->abts_rsp_payload.ba_acc.aborted_ox_id = ox_id; 990 rsp->abts_rsp_payload.ba_acc.high_seq_cnt = 0xffff; 991 } else { 992 ISP_MEMZERO(&rsp->abts_rsp_payload.ba_rjt, sizeof (rsp->abts_rsp_payload.ba_acc)); 993 switch (errno) { 994 case ENOMEM: 995 rsp->abts_rsp_payload.ba_rjt.reason = 5; /* Logical Unit Busy */ 996 break; 997 default: 998 rsp->abts_rsp_payload.ba_rjt.reason = 9; /* Unable to perform command request */ 999 break; 1000 } 1001 } 1002 1003 /* 1004 * The caller will have set response values as appropriate 1005 * in the ABTS structure just before calling us. 1006 */ 1007 isp_put_abts_rsp(isp, rsp, (abts_rsp_t *)outp); 1008 ISP_TDQE(isp, "isp_acknak_abts", isp->isp_reqidx, storage); 1009 ISP_SYNC_REQUEST(isp); 1010 return (0); 1011 } 1012 1013 static void 1014 isp_handle_atio2(ispsoftc_t *isp, at2_entry_t *aep) 1015 { 1016 int lun, iid; 1017 1018 if (ISP_CAP_SCCFW(isp)) { 1019 lun = aep->at_scclun; 1020 #if __FreeBSD_version < 1000700 1021 lun &= 0x3fff; 1022 #endif 1023 } else { 1024 lun = aep->at_lun; 1025 } 1026 1027 if (ISP_CAP_2KLOGIN(isp)) { 1028 iid = ((at2e_entry_t *)aep)->at_iid; 1029 } else { 1030 iid = aep->at_iid; 1031 } 1032 1033 /* 1034 * The firmware status (except for the QLTM_SVALID bit) indicates 1035 * why this ATIO was sent to us. 1036 * 1037 * If QLTM_SVALID is set, the firware has recommended Sense Data. 1038 * 1039 * If the DISCONNECTS DISABLED bit is set in the flags field, 1040 * we're still connected on the SCSI bus - i.e. the initiator 1041 * did not set DiscPriv in the identify message. We don't care 1042 * about this so it's ignored. 1043 */ 1044 1045 switch (aep->at_status & ~QLTM_SVALID) { 1046 case AT_PATH_INVALID: 1047 /* 1048 * ATIO rejected by the firmware due to disabled lun. 1049 */ 1050 isp_prt(isp, ISP_LOGERR, "rejected ATIO2 for disabled lun %x", lun); 1051 break; 1052 case AT_NOCAP: 1053 /* 1054 * Requested Capability not available 1055 * We sent an ATIO that overflowed the firmware's 1056 * command resource count. 1057 */ 1058 isp_prt(isp, ISP_LOGERR, "rejected ATIO2 for lun %x- command count overflow", lun); 1059 break; 1060 1061 case AT_BDR_MSG: 1062 /* 1063 * If we send an ATIO to the firmware to increment 1064 * its command resource count, and the firmware is 1065 * recovering from a Bus Device Reset, it returns 1066 * the ATIO with this status. We set the command 1067 * resource count in the Enable Lun entry and no 1068 * not increment it. Therefore we should never get 1069 * this status here. 1070 */ 1071 isp_prt(isp, ISP_LOGERR, atiocope, lun, 0); 1072 break; 1073 1074 case AT_CDB: /* Got a CDB */ 1075 /* 1076 * Punt to platform specific layer. 1077 */ 1078 isp_async(isp, ISPASYNC_TARGET_ACTION, aep); 1079 break; 1080 1081 case AT_RESET: 1082 /* 1083 * A bus reset came along an blew away this command. Why 1084 * they do this in addition the async event code stuff, 1085 * I dunno. 1086 * 1087 * Ignore it because the async event will clear things 1088 * up for us. 1089 */ 1090 isp_prt(isp, ISP_LOGERR, atior, lun, iid, 0); 1091 break; 1092 1093 1094 default: 1095 isp_prt(isp, ISP_LOGERR, "Unknown ATIO2 status 0x%x from handle %d for lun %x", aep->at_status, iid, lun); 1096 (void) isp_target_put_atio(isp, aep); 1097 break; 1098 } 1099 } 1100 1101 static void 1102 isp_handle_ctio2(ispsoftc_t *isp, ct2_entry_t *ct) 1103 { 1104 void *xs; 1105 int pl = ISP_LOGTDEBUG2; 1106 char *fmsg = NULL; 1107 1108 if (ct->ct_syshandle) { 1109 xs = isp_find_xs(isp, ct->ct_syshandle); 1110 if (xs == NULL) { 1111 pl = ISP_LOGALL; 1112 } 1113 } else { 1114 xs = NULL; 1115 } 1116 1117 switch (ct->ct_status & ~QLTM_SVALID) { 1118 case CT_BUS_ERROR: 1119 isp_prt(isp, ISP_LOGERR, "PCI DMA Bus Error"); 1120 /* FALL Through */ 1121 case CT_DATA_OVER: 1122 case CT_DATA_UNDER: 1123 case CT_OK: 1124 /* 1125 * There are generally 2 possibilities as to why we'd get 1126 * this condition: 1127 * We sent or received data. 1128 * We sent status & command complete. 1129 */ 1130 1131 break; 1132 1133 case CT_BDR_MSG: 1134 /* 1135 * Target Reset function received. 1136 * 1137 * The firmware generates an async mailbox interrupt to 1138 * notify us of this and returns outstanding CTIOs with this 1139 * status. These CTIOs are handled in that same way as 1140 * CT_ABORTED ones, so just fall through here. 1141 */ 1142 fmsg = "TARGET RESET"; 1143 /*FALLTHROUGH*/ 1144 case CT_RESET: 1145 if (fmsg == NULL) 1146 fmsg = "LIP Reset"; 1147 /*FALLTHROUGH*/ 1148 case CT_ABORTED: 1149 /* 1150 * When an Abort message is received the firmware goes to 1151 * Bus Free and returns all outstanding CTIOs with the status 1152 * set, then sends us an Immediate Notify entry. 1153 */ 1154 if (fmsg == NULL) { 1155 fmsg = "ABORT"; 1156 } 1157 1158 isp_prt(isp, ISP_LOGTDEBUG0, "CTIO2 destroyed by %s: RX_ID=0x%x", fmsg, ct->ct_rxid); 1159 break; 1160 1161 case CT_INVAL: 1162 /* 1163 * CTIO rejected by the firmware - invalid data direction. 1164 */ 1165 isp_prt(isp, ISP_LOGERR, "CTIO2 had wrong data direction"); 1166 break; 1167 1168 case CT_RSELTMO: 1169 fmsg = "failure to reconnect to initiator"; 1170 /*FALLTHROUGH*/ 1171 case CT_TIMEOUT: 1172 if (fmsg == NULL) 1173 fmsg = "command"; 1174 isp_prt(isp, ISP_LOGWARN, "Firmware timed out on %s", fmsg); 1175 break; 1176 1177 case CT_ERR: 1178 fmsg = "Completed with Error"; 1179 /*FALLTHROUGH*/ 1180 case CT_LOGOUT: 1181 if (fmsg == NULL) 1182 fmsg = "Port Logout"; 1183 /*FALLTHROUGH*/ 1184 case CT_PORTUNAVAIL: 1185 if (fmsg == NULL) 1186 fmsg = "Port not available"; 1187 /*FALLTHROUGH*/ 1188 case CT_PORTCHANGED: 1189 if (fmsg == NULL) 1190 fmsg = "Port Changed"; 1191 /*FALLTHROUGH*/ 1192 case CT_NOACK: 1193 if (fmsg == NULL) 1194 fmsg = "unacknowledged Immediate Notify pending"; 1195 isp_prt(isp, ISP_LOGWARN, "CTIO returned by f/w- %s", fmsg); 1196 break; 1197 1198 case CT_INVRXID: 1199 /* 1200 * CTIO rejected by the firmware because an invalid RX_ID. 1201 * Just print a message. 1202 */ 1203 isp_prt(isp, ISP_LOGWARN, "CTIO2 completed with Invalid RX_ID 0x%x", ct->ct_rxid); 1204 break; 1205 1206 default: 1207 isp_prt(isp, ISP_LOGERR, "Unknown CTIO2 status 0x%x", ct->ct_status & ~QLTM_SVALID); 1208 break; 1209 } 1210 1211 if (xs == NULL) { 1212 /* 1213 * There may be more than one CTIO for a data transfer, 1214 * or this may be a status CTIO we're not monitoring. 1215 * 1216 * The assumption is that they'll all be returned in the 1217 * order we got them. 1218 */ 1219 if (ct->ct_syshandle == 0) { 1220 if ((ct->ct_flags & CT2_SENDSTATUS) == 0) { 1221 isp_prt(isp, pl, "intermediate CTIO completed ok"); 1222 } else { 1223 isp_prt(isp, pl, "unmonitored CTIO completed ok"); 1224 } 1225 } else { 1226 isp_prt(isp, pl, "NO xs for CTIO (handle 0x%x) status 0x%x", ct->ct_syshandle, ct->ct_status & ~QLTM_SVALID); 1227 } 1228 } else { 1229 if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA) { 1230 ISP_DMAFREE(isp, xs, ct->ct_syshandle); 1231 } 1232 if (ct->ct_flags & CT2_SENDSTATUS) { 1233 /* 1234 * Sent status and command complete. 1235 * 1236 * We're now really done with this command, so we 1237 * punt to the platform dependent layers because 1238 * only there can we do the appropriate command 1239 * complete thread synchronization. 1240 */ 1241 isp_prt(isp, pl, "status CTIO complete"); 1242 } else { 1243 /* 1244 * Final CTIO completed. Release DMA resources and 1245 * notify platform dependent layers. 1246 */ 1247 isp_prt(isp, pl, "data CTIO complete"); 1248 } 1249 isp_async(isp, ISPASYNC_TARGET_ACTION, ct); 1250 /* 1251 * The platform layer will destroy the handle if appropriate. 1252 */ 1253 } 1254 } 1255 1256 static void 1257 isp_handle_ctio7(ispsoftc_t *isp, ct7_entry_t *ct) 1258 { 1259 void *xs; 1260 int pl = ISP_LOGTDEBUG2; 1261 char *fmsg = NULL; 1262 1263 if (ct->ct_syshandle) { 1264 xs = isp_find_xs(isp, ct->ct_syshandle); 1265 if (xs == NULL) { 1266 pl = ISP_LOGALL; 1267 } 1268 } else { 1269 xs = NULL; 1270 } 1271 1272 switch (ct->ct_nphdl) { 1273 case CT7_BUS_ERROR: 1274 isp_prt(isp, ISP_LOGERR, "PCI DMA Bus Error"); 1275 /* FALL Through */ 1276 case CT7_DATA_OVER: 1277 case CT7_DATA_UNDER: 1278 case CT7_OK: 1279 /* 1280 * There are generally 2 possibilities as to why we'd get 1281 * this condition: 1282 * We sent or received data. 1283 * We sent status & command complete. 1284 */ 1285 1286 break; 1287 1288 case CT7_RESET: 1289 if (fmsg == NULL) { 1290 fmsg = "LIP Reset"; 1291 } 1292 /*FALLTHROUGH*/ 1293 case CT7_ABORTED: 1294 /* 1295 * When an Abort message is received the firmware goes to 1296 * Bus Free and returns all outstanding CTIOs with the status 1297 * set, then sends us an Immediate Notify entry. 1298 */ 1299 if (fmsg == NULL) { 1300 fmsg = "ABORT"; 1301 } 1302 isp_prt(isp, ISP_LOGTDEBUG0, "CTIO7 destroyed by %s: RX_ID=0x%x", fmsg, ct->ct_rxid); 1303 break; 1304 1305 case CT7_TIMEOUT: 1306 if (fmsg == NULL) { 1307 fmsg = "command"; 1308 } 1309 isp_prt(isp, ISP_LOGWARN, "Firmware timed out on %s", fmsg); 1310 break; 1311 1312 case CT7_ERR: 1313 fmsg = "Completed with Error"; 1314 /*FALLTHROUGH*/ 1315 case CT7_LOGOUT: 1316 if (fmsg == NULL) { 1317 fmsg = "Port Logout"; 1318 } 1319 /*FALLTHROUGH*/ 1320 case CT7_PORTUNAVAIL: 1321 if (fmsg == NULL) { 1322 fmsg = "Port not available"; 1323 } 1324 /*FALLTHROUGH*/ 1325 case CT7_PORTCHANGED: 1326 if (fmsg == NULL) { 1327 fmsg = "Port Changed"; 1328 } 1329 isp_prt(isp, ISP_LOGWARN, "CTIO returned by f/w- %s", fmsg); 1330 break; 1331 1332 case CT7_INVRXID: 1333 /* 1334 * CTIO rejected by the firmware because an invalid RX_ID. 1335 * Just print a message. 1336 */ 1337 isp_prt(isp, ISP_LOGWARN, "CTIO7 completed with Invalid RX_ID 0x%x", ct->ct_rxid); 1338 break; 1339 1340 case CT7_REASSY_ERR: 1341 isp_prt(isp, ISP_LOGWARN, "reassembly error"); 1342 break; 1343 1344 case CT7_SRR: 1345 isp_prt(isp, ISP_LOGTDEBUG0, "SRR received"); 1346 break; 1347 1348 default: 1349 isp_prt(isp, ISP_LOGERR, "Unknown CTIO7 status 0x%x", ct->ct_nphdl); 1350 break; 1351 } 1352 1353 if (xs == NULL) { 1354 /* 1355 * There may be more than one CTIO for a data transfer, 1356 * or this may be a status CTIO we're not monitoring. 1357 * 1358 * The assumption is that they'll all be returned in the 1359 * order we got them. 1360 */ 1361 if (ct->ct_syshandle == 0) { 1362 if (ct->ct_flags & CT7_TERMINATE) { 1363 isp_prt(isp, ISP_LOGINFO, "termination of [RX_ID 0x%x] complete", ct->ct_rxid); 1364 } else if ((ct->ct_flags & CT7_SENDSTATUS) == 0) { 1365 isp_prt(isp, pl, "intermediate CTIO completed ok"); 1366 } else { 1367 isp_prt(isp, pl, "unmonitored CTIO completed ok"); 1368 } 1369 } else { 1370 isp_prt(isp, pl, "NO xs for CTIO (handle 0x%x) status 0x%x", ct->ct_syshandle, ct->ct_nphdl); 1371 } 1372 } else { 1373 if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA) { 1374 ISP_DMAFREE(isp, xs, ct->ct_syshandle); 1375 } 1376 if (ct->ct_flags & CT7_SENDSTATUS) { 1377 /* 1378 * Sent status and command complete. 1379 * 1380 * We're now really done with this command, so we 1381 * punt to the platform dependent layers because 1382 * only there can we do the appropriate command 1383 * complete thread synchronization. 1384 */ 1385 isp_prt(isp, pl, "status CTIO complete"); 1386 } else { 1387 /* 1388 * Final CTIO completed. Release DMA resources and 1389 * notify platform dependent layers. 1390 */ 1391 isp_prt(isp, pl, "data CTIO complete"); 1392 } 1393 isp_async(isp, ISPASYNC_TARGET_ACTION, ct); 1394 /* 1395 * The platform layer will destroy the handle if appropriate. 1396 */ 1397 } 1398 } 1399 1400 static void 1401 isp_handle_24xx_inotify(ispsoftc_t *isp, in_fcentry_24xx_t *inot_24xx) 1402 { 1403 uint8_t ochan, chan, lochan, hichan; 1404 1405 /* 1406 * Check to see whether we got a wildcard channel. 1407 * If so, we have to iterate over all channels. 1408 */ 1409 ochan = chan = ISP_GET_VPIDX(isp, inot_24xx->in_vpidx); 1410 if (chan == 0xff) { 1411 lochan = 0; 1412 hichan = isp->isp_nchan; 1413 } else { 1414 if (chan >= isp->isp_nchan) { 1415 char buf[64]; 1416 ISP_SNPRINTF(buf, sizeof buf, "%s: bad channel %d for status 0x%x", __func__, chan, inot_24xx->in_status); 1417 isp_print_bytes(isp, buf, QENTRY_LEN, inot_24xx); 1418 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot_24xx); 1419 return; 1420 } 1421 lochan = chan; 1422 hichan = chan + 1; 1423 } 1424 isp_prt(isp, ISP_LOGTDEBUG1, "%s: Immediate Notify Channels %d..%d status=0x%x seqid=0x%x", __func__, lochan, hichan-1, inot_24xx->in_status, inot_24xx->in_rxid); 1425 for (chan = lochan; chan < hichan; chan++) { 1426 if (FCPARAM(isp, chan)->role == ISP_ROLE_NONE) 1427 continue; 1428 switch (inot_24xx->in_status) { 1429 case IN24XX_LIP_RESET: 1430 case IN24XX_LINK_RESET: 1431 case IN24XX_PORT_LOGOUT: 1432 case IN24XX_PORT_CHANGED: 1433 case IN24XX_LINK_FAILED: 1434 case IN24XX_SRR_RCVD: 1435 case IN24XX_ELS_RCVD: 1436 inot_24xx->in_reserved = 0; /* clear this for later usage */ 1437 inot_24xx->in_vpidx = chan; 1438 isp_async(isp, ISPASYNC_TARGET_ACTION, inot_24xx); 1439 break; 1440 default: 1441 isp_prt(isp, ISP_LOGINFO, "%s: unhandled status (0x%x) for chan %d", __func__, inot_24xx->in_status, chan); 1442 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot_24xx); 1443 break; 1444 } 1445 } 1446 inot_24xx->in_vpidx = ochan; 1447 } 1448 #endif 1449