1/*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2009-2020 Alexander Motin <mav@FreeBSD.org> 5 * Copyright (c) 1997-2009 by Matthew Jacob 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 */ 31/* 32 * Machine and OS Independent Target Mode Code for the Qlogic FC adapters. 33 */ 34/* 35 * Bug fixes gratefully acknowledged from: 36 * Oded Kedem <oded@kashya.com> 37 */ 38/* 39 * Include header file appropriate for platform we're building on. 40 */ 41 42#ifdef __NetBSD__ 43#include <dev/ic/isp_netbsd.h> 44#endif 45#ifdef __FreeBSD__ 46#include <sys/cdefs.h> 47#include <dev/isp/isp_freebsd.h> 48#endif 49#ifdef __OpenBSD__ 50#include <dev/ic/isp_openbsd.h> 51#endif 52#ifdef __linux__ 53#include "isp_linux.h" 54#endif 55 56#ifdef ISP_TARGET_MODE 57static void isp_got_tmf_24xx(ispsoftc_t *, at7_entry_t *); 58static void isp_handle_abts(ispsoftc_t *, abts_t *); 59static void isp_handle_ctio7(ispsoftc_t *, ct7_entry_t *); 60static void isp_handle_notify_24xx(ispsoftc_t *, in_fcentry_24xx_t *); 61 62/* 63 * The Qlogic driver gets an interrupt to look at response queue entries. 64 * Some of these are status completions for initiatior mode commands, but 65 * if target mode is enabled, we get a whole wad of response queue entries 66 * to be handled here. 67 * 68 * Basically the split into 3 main groups: Lun Enable/Modification responses, 69 * SCSI Command processing, and Immediate Notification events. 70 * 71 * You start by writing a request queue entry to enable target mode (and 72 * establish some resource limitations which you can modify later). 73 * The f/w responds with a LUN ENABLE or LUN MODIFY response with 74 * the status of this action. If the enable was successful, you can expect... 75 * 76 * Response queue entries with SCSI commands encapsulate show up in an ATIO 77 * (Accept Target IO) type- sometimes with enough info to stop the command at 78 * this level. Ultimately the driver has to feed back to the f/w's request 79 * queue a sequence of CTIOs (continue target I/O) that describe data to 80 * be moved and/or status to be sent) and finally finishing with sending 81 * to the f/w's response queue an ATIO which then completes the handshake 82 * with the f/w for that command. There's a lot of variations on this theme, 83 * including flags you can set in the CTIO for the Qlogic 2X00 fibre channel 84 * cards that 'auto-replenish' the f/w's ATIO count, but this is the basic 85 * gist of it. 86 * 87 * The third group that can show up in the response queue are Immediate 88 * Notification events. These include things like notifications of SCSI bus 89 * resets, or Bus Device Reset messages or other messages received. This 90 * a classic oddbins area. It can get a little weird because you then turn 91 * around and acknowledge the Immediate Notify by writing an entry onto the 92 * request queue and then the f/w turns around and gives you an acknowledgement 93 * to *your* acknowledgement on the response queue (the idea being to let 94 * the f/w tell you when the event is *really* over I guess). 95 * 96 */ 97 98 99/* 100 * A new response queue entry has arrived. The interrupt service code 101 * has already swizzled it into the platform dependent from canonical form. 102 * 103 * Because of the way this driver is designed, unfortunately most of the 104 * actual synchronization work has to be done in the platform specific 105 * code- we have no synchroniation primitives in the common code. 106 */ 107 108int 109isp_target_notify(ispsoftc_t *isp, void *vptr, uint32_t *optrp, uint16_t ql) 110{ 111 union { 112 at7_entry_t *at7iop; 113 ct7_entry_t *ct7iop; 114 in_fcentry_24xx_t *inot_24xx; 115 na_fcentry_24xx_t *nack_24xx; 116 isphdr_t *hp; 117 abts_t *abts; 118 abts_rsp_t *abts_rsp; 119 void * *vp; 120#define at7iop unp.at7iop 121#define ct7iop unp.ct7iop 122#define inot_24xx unp.inot_24xx 123#define nack_24xx unp.nack_24xx 124#define abts unp.abts 125#define abts_rsp unp.abts_rsp 126#define hdrp unp.hp 127 } unp; 128 uint8_t local[QENTRY_LEN]; 129 int type, len, level, rval = 1; 130 131 type = isp_get_response_type(isp, (isphdr_t *)vptr); 132 unp.vp = vptr; 133 134 if (isp->isp_dblev & ISP_LOGTDEBUG2) 135 isp_print_qentry(isp, __func__, *optrp, vptr); 136 137 switch (type) { 138 case RQSTYPE_ATIO: 139 isp_get_atio7(isp, at7iop, (at7_entry_t *) local); 140 at7iop = (at7_entry_t *) local; 141 /* 142 * Check for and do something with commands whose 143 * IULEN extends past a single queue entry. 144 */ 145 len = at7iop->at_ta_len & 0x0fff; 146 if (len > (QENTRY_LEN - 8)) { 147 len -= (QENTRY_LEN - 8); 148 isp_prt(isp, ISP_LOGINFO, "long IU length (%d) ignored", len); 149 while (len > 0) { 150 *optrp = ISP_NXT_QENTRY(*optrp, ql); 151 len -= QENTRY_LEN; 152 } 153 } 154 /* 155 * Check for a task management function 156 */ 157 if (at7iop->at_cmnd.fcp_cmnd_task_management) { 158 isp_got_tmf_24xx(isp, at7iop); 159 break; 160 } 161 /* 162 * Just go straight to outer layer for this one. 163 */ 164 isp_async(isp, ISPASYNC_TARGET_ACTION, local); 165 break; 166 167 case RQSTYPE_CTIO7: 168 isp_get_ctio7(isp, ct7iop, (ct7_entry_t *) local); 169 isp_handle_ctio7(isp, (ct7_entry_t *) local); 170 break; 171 172 case RQSTYPE_NOTIFY: 173 isp_get_notify_24xx(isp, inot_24xx, (in_fcentry_24xx_t *)local); 174 isp_handle_notify_24xx(isp, (in_fcentry_24xx_t *)local); 175 break; 176 177 case RQSTYPE_NOTIFY_ACK: 178 /* 179 * The ISP is acknowledging our acknowledgement of an 180 * Immediate Notify entry for some asynchronous event. 181 */ 182 isp_get_notify_ack_24xx(isp, nack_24xx, (na_fcentry_24xx_t *) local); 183 nack_24xx = (na_fcentry_24xx_t *) local; 184 if (nack_24xx->na_status != NA_OK) 185 level = ISP_LOGINFO; 186 else 187 level = ISP_LOGTDEBUG1; 188 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); 189 break; 190 191 case RQSTYPE_ABTS_RCVD: 192 isp_get_abts(isp, abts, (abts_t *)local); 193 isp_handle_abts(isp, (abts_t *)local); 194 break; 195 case RQSTYPE_ABTS_RSP: 196 isp_get_abts_rsp(isp, abts_rsp, (abts_rsp_t *)local); 197 abts_rsp = (abts_rsp_t *) local; 198 if (abts_rsp->abts_rsp_status) 199 level = ISP_LOGINFO; 200 else 201 level = ISP_LOGTDEBUG0; 202 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, 203 abts_rsp->abts_rsp_payload.rsp.subcode1, abts_rsp->abts_rsp_payload.rsp.subcode2); 204 break; 205 default: 206 isp_prt(isp, ISP_LOGERR, "%s: unknown entry type 0x%x", __func__, type); 207 rval = 0; 208 break; 209 } 210#undef at7iop 211#undef ct7iop 212#undef inot_24xx 213#undef hack_24xx 214#undef abts 215#undef abts_rsp 216#undef hdrp 217 return (rval); 218} 219 220/* 221 * Command completion- both for handling cases of no resources or 222 * no blackhole driver, or other cases where we have to, inline, 223 * finish the command sanely, or for normal command completion. 224 * 225 * The 'completion' code value has the scsi status byte in the low 8 bits. 226 * If status is a CHECK CONDITION and bit 8 is nonzero, then bits 12..15 have 227 * the sense key and bits 16..23 have the ASCQ and bits 24..31 have the ASC 228 * values. 229 * 230 * NB: the key, asc, ascq, cannot be used for parallel SCSI as it doesn't 231 * NB: inline SCSI sense reporting. As such, we lose this information. XXX. 232 * 233 * For both parallel && fibre channel, we use the feature that does 234 * an automatic resource autoreplenish so we don't have then later do 235 * put of an atio to replenish the f/w's resource count. 236 */ 237 238int 239isp_endcmd(ispsoftc_t *isp, ...) 240{ 241 uint32_t code, hdl; 242 uint8_t sts; 243 at7_entry_t *aep; 244 ct7_entry_t _ctio7, *cto = &_ctio7; 245 va_list ap; 246 int vpidx, nphdl; 247 248 va_start(ap, isp); 249 aep = va_arg(ap, at7_entry_t *); 250 nphdl = va_arg(ap, int); 251 /* 252 * Note that vpidx may equal 0xff (unknown) here 253 */ 254 vpidx = va_arg(ap, int); 255 code = va_arg(ap, uint32_t); 256 hdl = va_arg(ap, uint32_t); 257 va_end(ap); 258 isp_prt(isp, ISP_LOGTDEBUG0, "%s: [RX_ID 0x%x] chan %d code %x", __func__, aep->at_rxid, vpidx, code); 259 260 sts = code & 0xff; 261 ISP_MEMZERO(cto, sizeof(*cto)); 262 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 263 cto->ct_header.rqs_entry_count = 1; 264 cto->ct_nphdl = nphdl; 265 cto->ct_rxid = aep->at_rxid; 266 cto->ct_iid_lo = (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 267 cto->ct_iid_hi = aep->at_hdr.s_id[0]; 268 cto->ct_oxid = aep->at_hdr.ox_id; 269 cto->ct_scsi_status = sts; 270 cto->ct_vpidx = vpidx; 271 cto->ct_flags = CT7_NOACK; 272 if (code & ECMD_TERMINATE) { 273 cto->ct_flags |= CT7_TERMINATE; 274 } else if (code & ECMD_SVALID) { 275 cto->ct_flags |= CT7_FLAG_MODE1 | CT7_SENDSTATUS; 276 cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8); 277 cto->ct_senselen = min(16, MAXRESPLEN_24XX); 278 ISP_MEMZERO(cto->rsp.m1.ct_resp, sizeof (cto->rsp.m1.ct_resp)); 279 cto->rsp.m1.ct_resp[0] = 0xf0; 280 cto->rsp.m1.ct_resp[2] = (code >> 12) & 0xf; 281 cto->rsp.m1.ct_resp[7] = 8; 282 cto->rsp.m1.ct_resp[12] = (code >> 16) & 0xff; 283 cto->rsp.m1.ct_resp[13] = (code >> 24) & 0xff; 284 } else if (code & ECMD_RVALID) { 285 cto->ct_flags |= CT7_FLAG_MODE1 | CT7_SENDSTATUS; 286 cto->ct_scsi_status |= (FCP_RSPLEN_VALID << 8); 287 cto->rsp.m1.ct_resplen = 4; 288 ISP_MEMZERO(cto->rsp.m1.ct_resp, sizeof (cto->rsp.m1.ct_resp)); 289 cto->rsp.m1.ct_resp[0] = (code >> 12) & 0xf; 290 cto->rsp.m1.ct_resp[1] = (code >> 16) & 0xff; 291 cto->rsp.m1.ct_resp[2] = (code >> 24) & 0xff; 292 cto->rsp.m1.ct_resp[3] = 0; 293 } else { 294 cto->ct_flags |= CT7_FLAG_MODE1 | CT7_SENDSTATUS; 295 } 296 if (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl != 0) { 297 cto->ct_resid = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl; 298 cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8); 299 } 300 cto->ct_syshandle = hdl; 301 return (isp_send_entry(isp, cto)); 302} 303 304/* 305 * These are either broadcast events or specifically CTIO fast completion 306 */ 307 308void 309isp_target_async(ispsoftc_t *isp, int bus, int event) 310{ 311 isp_notify_t notify; 312 313 ISP_MEMZERO(¬ify, sizeof (isp_notify_t)); 314 notify.nt_hba = isp; 315 notify.nt_wwn = INI_ANY; 316 notify.nt_nphdl = NIL_HANDLE; 317 notify.nt_sid = PORT_ANY; 318 notify.nt_did = PORT_ANY; 319 notify.nt_tgt = TGT_ANY; 320 notify.nt_channel = bus; 321 notify.nt_lun = LUN_ANY; 322 notify.nt_tagval = TAG_ANY; 323 notify.nt_tagval |= (((uint64_t)(isp->isp_serno++)) << 32); 324 325 switch (event) { 326 case ASYNC_LOOP_UP: 327 case ASYNC_PTPMODE: 328 isp_prt(isp, ISP_LOGTDEBUG0, "%s: LOOP UP", __func__); 329 notify.nt_ncode = NT_LINK_UP; 330 isp_async(isp, ISPASYNC_TARGET_NOTIFY, ¬ify); 331 break; 332 case ASYNC_LOOP_DOWN: 333 isp_prt(isp, ISP_LOGTDEBUG0, "%s: LOOP DOWN", __func__); 334 notify.nt_ncode = NT_LINK_DOWN; 335 isp_async(isp, ISPASYNC_TARGET_NOTIFY, ¬ify); 336 break; 337 case ASYNC_LIP_ERROR: 338 case ASYNC_LIP_NOS_OLS_RECV: 339 case ASYNC_LIP_OCCURRED: 340 case ASYNC_LOOP_RESET: 341 isp_prt(isp, ISP_LOGTDEBUG0, "%s: LIP RESET", __func__); 342 notify.nt_ncode = NT_LIP_RESET; 343 isp_async(isp, ISPASYNC_TARGET_NOTIFY, ¬ify); 344 break; 345 default: 346 isp_prt(isp, ISP_LOGERR, "%s: unknown event 0x%x", __func__, event); 347 break; 348 } 349} 350 351static void 352isp_got_tmf_24xx(ispsoftc_t *isp, at7_entry_t *aep) 353{ 354 isp_notify_t notify; 355 static const char f1[] = "%s from PortID 0x%06x lun %jx seq 0x%08x"; 356 static const char f2[] = "unknown Task Flag 0x%x lun %jx PortID 0x%x tag 0x%08x"; 357 fcportdb_t *lp; 358 uint16_t chan; 359 uint32_t sid, did; 360 361 ISP_MEMZERO(¬ify, sizeof (isp_notify_t)); 362 notify.nt_hba = isp; 363 notify.nt_wwn = INI_ANY; 364 notify.nt_lun = CAM_EXTLUN_BYTE_SWIZZLE(be64dec(aep->at_cmnd.fcp_cmnd_lun)); 365 notify.nt_tagval = aep->at_rxid; 366 notify.nt_tagval |= (((uint64_t)(isp->isp_serno++)) << 32); 367 notify.nt_lreserved = aep; 368 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 369 did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2]; 370 if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) { 371 /* Channel has to be derived from D_ID */ 372 isp_find_chan_by_did(isp, did, &chan); 373 if (chan == ISP_NOCHAN) { 374 isp_prt(isp, ISP_LOGWARN, 375 "%s: D_ID 0x%x not found on any channel", 376 __func__, did); 377 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, 378 ECMD_TERMINATE, 0); 379 return; 380 } 381 } else { 382 chan = 0; 383 } 384 if (isp_find_pdb_by_portid(isp, chan, sid, &lp)) 385 notify.nt_nphdl = lp->handle; 386 else 387 notify.nt_nphdl = NIL_HANDLE; 388 notify.nt_sid = sid; 389 notify.nt_did = did; 390 notify.nt_channel = chan; 391 if (aep->at_cmnd.fcp_cmnd_task_management & FCP_CMND_TMF_QUERY_TASK_SET) { 392 isp_prt(isp, ISP_LOGINFO, f1, "QUERY TASK SET", sid, notify.nt_lun, aep->at_rxid); 393 notify.nt_ncode = NT_QUERY_TASK_SET; 394 } else if (aep->at_cmnd.fcp_cmnd_task_management & FCP_CMND_TMF_ABORT_TASK_SET) { 395 isp_prt(isp, ISP_LOGINFO, f1, "ABORT TASK SET", sid, notify.nt_lun, aep->at_rxid); 396 notify.nt_ncode = NT_ABORT_TASK_SET; 397 } else if (aep->at_cmnd.fcp_cmnd_task_management & FCP_CMND_TMF_CLEAR_TASK_SET) { 398 isp_prt(isp, ISP_LOGINFO, f1, "CLEAR TASK SET", sid, notify.nt_lun, aep->at_rxid); 399 notify.nt_ncode = NT_CLEAR_TASK_SET; 400 } else if (aep->at_cmnd.fcp_cmnd_task_management & FCP_CMND_TMF_QUERY_ASYNC_EVENT) { 401 isp_prt(isp, ISP_LOGINFO, f1, "QUERY ASYNC EVENT", sid, notify.nt_lun, aep->at_rxid); 402 notify.nt_ncode = NT_QUERY_ASYNC_EVENT; 403 } else if (aep->at_cmnd.fcp_cmnd_task_management & FCP_CMND_TMF_LUN_RESET) { 404 isp_prt(isp, ISP_LOGINFO, f1, "LUN RESET", sid, notify.nt_lun, aep->at_rxid); 405 notify.nt_ncode = NT_LUN_RESET; 406 } else if (aep->at_cmnd.fcp_cmnd_task_management & FCP_CMND_TMF_TGT_RESET) { 407 isp_prt(isp, ISP_LOGINFO, f1, "TARGET RESET", sid, notify.nt_lun, aep->at_rxid); 408 notify.nt_ncode = NT_TARGET_RESET; 409 } else if (aep->at_cmnd.fcp_cmnd_task_management & FCP_CMND_TMF_CLEAR_ACA) { 410 isp_prt(isp, ISP_LOGINFO, f1, "CLEAR ACA", sid, notify.nt_lun, aep->at_rxid); 411 notify.nt_ncode = NT_CLEAR_ACA; 412 } else { 413 isp_prt(isp, ISP_LOGWARN, f2, aep->at_cmnd.fcp_cmnd_task_management, notify.nt_lun, sid, aep->at_rxid); 414 notify.nt_ncode = NT_UNKNOWN; 415 isp_endcmd(isp, aep, notify.nt_nphdl, chan, ECMD_RVALID | (0x4 << 12), 0); 416 return; 417 } 418 isp_async(isp, ISPASYNC_TARGET_NOTIFY, ¬ify); 419} 420 421int 422isp_notify_ack(ispsoftc_t *isp, void *arg) 423{ 424 na_fcentry_24xx_t _na, *na = &_na; 425 426 /* 427 * This is in case a Task Management Function ends up here. 428 */ 429 if (((isphdr_t *)arg)->rqs_entry_type == RQSTYPE_ATIO) 430 return (isp_endcmd(isp, arg, NIL_HANDLE, 0, 0, 0)); 431 432 in_fcentry_24xx_t *in = arg; 433 434 ISP_MEMZERO(na, sizeof(*na)); 435 na->na_header.rqs_entry_type = RQSTYPE_NOTIFY_ACK; 436 na->na_header.rqs_entry_count = 1; 437 na->na_nphdl = in->in_nphdl; 438 na->na_flags = in->in_flags; 439 na->na_status = in->in_status; 440 na->na_status_subcode = in->in_status_subcode; 441 na->na_fwhandle = in->in_fwhandle; 442 na->na_rxid = in->in_rxid; 443 na->na_oxid = in->in_oxid; 444 na->na_vpidx = in->in_vpidx; 445 if (in->in_status == IN24XX_SRR_RCVD) { 446 na->na_srr_rxid = in->in_srr_rxid; 447 na->na_srr_reloff_hi = in->in_srr_reloff_hi; 448 na->na_srr_reloff_lo = in->in_srr_reloff_lo; 449 na->na_srr_iu = in->in_srr_iu; 450 /* 451 * Whether we're accepting the SRR or rejecting 452 * it is determined by looking at the in_reserved 453 * field in the original notify structure. 454 */ 455 if (in->in_reserved) { 456 na->na_srr_flags = 1; 457 na->na_srr_reject_vunique = 0; 458 /* Unable to perform this command at this time. */ 459 na->na_srr_reject_code = 9; 460 /* Unable to supply the requested data. */ 461 na->na_srr_reject_explanation = 0x2a; 462 } 463 } 464 return (isp_send_entry(isp, na)); 465} 466 467int 468isp_acknak_abts(ispsoftc_t *isp, void *arg, int errno) 469{ 470 char storage[QENTRY_LEN]; 471 uint16_t tmpw; 472 uint8_t tmpb; 473 abts_t *abts = arg; 474 abts_rsp_t *rsp = (abts_rsp_t *) storage; 475 476 if (abts->abts_header.rqs_entry_type != RQSTYPE_ABTS_RCVD) { 477 isp_prt(isp, ISP_LOGERR, "%s: called for non-ABTS entry (0x%x)", __func__, abts->abts_header.rqs_entry_type); 478 return (0); 479 } 480 481 ISP_MEMCPY(rsp, abts, QENTRY_LEN); 482 rsp->abts_rsp_header.rqs_entry_type = RQSTYPE_ABTS_RSP; 483 484 /* 485 * Swap destination and source for response. 486 */ 487 rsp->abts_rsp_r_ctl = BA_ACC; 488 tmpw = rsp->abts_rsp_did_lo; 489 tmpb = rsp->abts_rsp_did_hi; 490 rsp->abts_rsp_did_lo = rsp->abts_rsp_sid_lo; 491 rsp->abts_rsp_did_hi = rsp->abts_rsp_sid_hi; 492 rsp->abts_rsp_sid_lo = tmpw; 493 rsp->abts_rsp_sid_hi = tmpb; 494 495 rsp->abts_rsp_f_ctl_hi ^= 0x80; /* invert Exchange Context */ 496 rsp->abts_rsp_f_ctl_hi &= ~0x7f; /* clear Sequence Initiator and other bits */ 497 rsp->abts_rsp_f_ctl_hi |= 0x10; /* abort the whole exchange */ 498 rsp->abts_rsp_f_ctl_hi |= 0x8; /* last data frame of sequence */ 499 rsp->abts_rsp_f_ctl_hi |= 0x1; /* transfer Sequence Initiative */ 500 rsp->abts_rsp_f_ctl_lo = 0; 501 502 if (errno == 0) { 503 uint16_t rx_id, ox_id; 504 505 rx_id = rsp->abts_rsp_rx_id; 506 ox_id = rsp->abts_rsp_ox_id; 507 ISP_MEMZERO(&rsp->abts_rsp_payload.ba_acc, sizeof (rsp->abts_rsp_payload.ba_acc)); 508 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); 509 rsp->abts_rsp_payload.ba_acc.aborted_rx_id = rx_id; 510 rsp->abts_rsp_payload.ba_acc.aborted_ox_id = ox_id; 511 rsp->abts_rsp_payload.ba_acc.high_seq_cnt = 0xffff; 512 } else { 513 ISP_MEMZERO(&rsp->abts_rsp_payload.ba_rjt, sizeof (rsp->abts_rsp_payload.ba_acc)); 514 switch (errno) { 515 case ENOMEM: 516 rsp->abts_rsp_payload.ba_rjt.reason = 5; /* Logical Unit Busy */ 517 break; 518 default: 519 rsp->abts_rsp_payload.ba_rjt.reason = 9; /* Unable to perform command request */ 520 break; 521 } 522 } 523 return (isp_send_entry(isp, rsp)); 524} 525 526static void 527isp_handle_abts(ispsoftc_t *isp, abts_t *abts) 528{ 529 isp_notify_t notify, *nt = ¬ify; 530 fcportdb_t *lp; 531 uint16_t chan; 532 uint32_t sid, did; 533 534 did = (abts->abts_did_hi << 16) | abts->abts_did_lo; 535 sid = (abts->abts_sid_hi << 16) | abts->abts_sid_lo; 536 ISP_MEMZERO(nt, sizeof (isp_notify_t)); 537 538 nt->nt_hba = isp; 539 nt->nt_did = did; 540 nt->nt_nphdl = abts->abts_nphdl; 541 nt->nt_sid = sid; 542 if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) { 543 /* Channel has to be derived from D_ID */ 544 isp_find_chan_by_did(isp, did, &chan); 545 if (chan == ISP_NOCHAN) { 546 isp_prt(isp, ISP_LOGWARN, 547 "%s: D_ID 0x%x not found on any channel", 548 __func__, did); 549 isp_acknak_abts(isp, abts, ENXIO); 550 return; 551 } 552 } else 553 chan = 0; 554 nt->nt_tgt = FCPARAM(isp, chan)->isp_wwpn; 555 if (isp_find_pdb_by_handle(isp, chan, abts->abts_nphdl, &lp)) 556 nt->nt_wwn = lp->port_wwn; 557 else 558 nt->nt_wwn = INI_ANY; 559 nt->nt_lun = LUN_ANY; 560 nt->nt_need_ack = 1; 561 nt->nt_tagval = abts->abts_rxid_task; 562 nt->nt_tagval |= (((uint64_t) abts->abts_rxid_abts) << 32); 563 isp_prt(isp, ISP_LOGTINFO, "[0x%x] ABTS from N-Port handle 0x%x" 564 " Port 0x%06x for task 0x%x (rx_id 0x%04x ox_id 0x%04x)", 565 abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rxid_task, 566 abts->abts_rx_id, abts->abts_ox_id); 567 nt->nt_channel = chan; 568 nt->nt_ncode = NT_ABORT_TASK; 569 nt->nt_lreserved = abts; 570 isp_async(isp, ISPASYNC_TARGET_NOTIFY, ¬ify); 571} 572 573static void 574isp_handle_ctio7(ispsoftc_t *isp, ct7_entry_t *ct) 575{ 576 void *xs; 577 int pl = ISP_LOGTDEBUG2; 578 char *fmsg = NULL; 579 580 if (ct->ct_syshandle) { 581 xs = isp_find_xs(isp, ct->ct_syshandle); 582 if (xs == NULL) { 583 pl = ISP_LOGALL; 584 } 585 } else { 586 xs = NULL; 587 } 588 589 switch (ct->ct_nphdl) { 590 case CT7_BUS_ERROR: 591 isp_prt(isp, ISP_LOGERR, "PCI DMA Bus Error"); 592 /* FALL Through */ 593 case CT7_DATA_OVER: 594 case CT7_DATA_UNDER: 595 case CT7_OK: 596 /* 597 * There are generally 2 possibilities as to why we'd get 598 * this condition: 599 * We sent or received data. 600 * We sent status & command complete. 601 */ 602 603 break; 604 605 case CT7_RESET: 606 if (fmsg == NULL) { 607 fmsg = "LIP Reset"; 608 } 609 /*FALLTHROUGH*/ 610 case CT7_ABORTED: 611 /* 612 * When an Abort message is received the firmware goes to 613 * Bus Free and returns all outstanding CTIOs with the status 614 * set, then sends us an Immediate Notify entry. 615 */ 616 if (fmsg == NULL) { 617 fmsg = "ABORT"; 618 } 619 isp_prt(isp, ISP_LOGTDEBUG0, "CTIO7 destroyed by %s: RX_ID=0x%x", fmsg, ct->ct_rxid); 620 break; 621 622 case CT7_TIMEOUT: 623 if (fmsg == NULL) { 624 fmsg = "command"; 625 } 626 isp_prt(isp, ISP_LOGWARN, "Firmware timed out on %s", fmsg); 627 break; 628 629 case CT7_ERR: 630 fmsg = "Completed with Error"; 631 /*FALLTHROUGH*/ 632 case CT7_LOGOUT: 633 if (fmsg == NULL) { 634 fmsg = "Port Logout"; 635 } 636 /*FALLTHROUGH*/ 637 case CT7_PORTUNAVAIL: 638 if (fmsg == NULL) { 639 fmsg = "Port not available"; 640 } 641 /*FALLTHROUGH*/ 642 case CT7_PORTCHANGED: 643 if (fmsg == NULL) { 644 fmsg = "Port Changed"; 645 } 646 isp_prt(isp, ISP_LOGWARN, "CTIO returned by f/w- %s", fmsg); 647 break; 648 649 case CT7_INVRXID: 650 /* 651 * CTIO rejected by the firmware because an invalid RX_ID. 652 * Just print a message. 653 */ 654 isp_prt(isp, ISP_LOGWARN, "CTIO7 completed with Invalid RX_ID 0x%x", ct->ct_rxid); 655 break; 656 657 case CT7_REASSY_ERR: 658 isp_prt(isp, ISP_LOGWARN, "reassembly error"); 659 break; 660 661 case CT7_SRR: 662 isp_prt(isp, ISP_LOGTDEBUG0, "SRR received"); 663 break; 664 665 default: 666 isp_prt(isp, ISP_LOGERR, "Unknown CTIO7 status 0x%x", ct->ct_nphdl); 667 break; 668 } 669 670 if (xs == NULL) { 671 /* 672 * There may be more than one CTIO for a data transfer, 673 * or this may be a status CTIO we're not monitoring. 674 * 675 * The assumption is that they'll all be returned in the 676 * order we got them. 677 */ 678 if (ct->ct_syshandle == 0) { 679 if (ct->ct_flags & CT7_TERMINATE) { 680 isp_prt(isp, ISP_LOGINFO, "termination of [RX_ID 0x%x] complete", ct->ct_rxid); 681 } else if ((ct->ct_flags & CT7_SENDSTATUS) == 0) { 682 isp_prt(isp, pl, "intermediate CTIO completed ok"); 683 } else { 684 isp_prt(isp, pl, "unmonitored CTIO completed ok"); 685 } 686 } else { 687 isp_prt(isp, pl, "NO xs for CTIO (handle 0x%x) status 0x%x", ct->ct_syshandle, ct->ct_nphdl); 688 } 689 } else { 690 ISP_DMAFREE(isp, xs); 691 if (ct->ct_flags & CT7_SENDSTATUS) { 692 /* 693 * Sent status and command complete. 694 * 695 * We're now really done with this command, so we 696 * punt to the platform dependent layers because 697 * only there can we do the appropriate command 698 * complete thread synchronization. 699 */ 700 isp_prt(isp, pl, "status CTIO complete"); 701 } else { 702 /* 703 * Final CTIO completed. Release DMA resources and 704 * notify platform dependent layers. 705 */ 706 isp_prt(isp, pl, "data CTIO complete"); 707 } 708 isp_async(isp, ISPASYNC_TARGET_ACTION, ct); 709 /* 710 * The platform layer will destroy the handle if appropriate. 711 */ 712 } 713} 714 715static void 716isp_handle_notify_24xx(ispsoftc_t *isp, in_fcentry_24xx_t *inot) 717{ 718 uint8_t chan; 719 uint16_t nphdl, prli_options = 0; 720 uint32_t portid; 721 fcportdb_t *lp; 722 char *msg = NULL; 723 uint8_t *ptr = (uint8_t *)inot; 724 uint64_t wwpn = INI_NONE, wwnn = INI_NONE; 725 isp_notify_t notify; 726 char buf[16]; 727 728 nphdl = inot->in_nphdl; 729 if (nphdl != NIL_HANDLE) { 730 portid = inot->in_portid_hi << 16 | inot->in_portid_lo; 731 } else { 732 portid = PORT_ANY; 733 } 734 735 chan = ISP_GET_VPIDX(isp, inot->in_vpidx); 736 if (chan >= isp->isp_nchan && 737 inot->in_status != IN24XX_LIP_RESET && 738 inot->in_status != IN24XX_LINK_RESET && 739 inot->in_status != IN24XX_LINK_FAILED) { 740 isp_prt(isp, ISP_LOGWARN, "%s: Received INOT with status %x on VP %x", 741 __func__, inot->in_status, chan); 742 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 743 return; 744 } 745 746 switch (inot->in_status) { 747 case IN24XX_ELS_RCVD: 748 { 749 /* 750 * Note that we're just getting notification that an ELS was 751 * received (possibly with some associated information sent 752 * upstream). This is *not* the same as being given the ELS 753 * frame to accept or reject. 754 */ 755 switch (inot->in_status_subcode) { 756 case LOGO: 757 msg = "LOGO"; 758 wwpn = be64dec(&ptr[IN24XX_PLOGI_WWPN_OFF]); 759 isp_del_wwn_entry(isp, chan, wwpn, nphdl, portid); 760 break; 761 case PRLO: 762 msg = "PRLO"; 763 break; 764 case PLOGI: 765 msg = "PLOGI"; 766 wwnn = be64dec(&ptr[IN24XX_PLOGI_WWNN_OFF]); 767 wwpn = be64dec(&ptr[IN24XX_PLOGI_WWPN_OFF]); 768 isp_add_wwn_entry(isp, chan, wwpn, wwnn, 769 nphdl, portid, prli_options); 770 break; 771 case PRLI: 772 msg = "PRLI"; 773 prli_options = inot->in_prli_options; 774 if (inot->in_flags & IN24XX_FLAG_PN_NN_VALID) 775 wwnn = be64dec(&ptr[IN24XX_PRLI_WWNN_OFF]); 776 wwpn = be64dec(&ptr[IN24XX_PRLI_WWPN_OFF]); 777 isp_add_wwn_entry(isp, chan, wwpn, wwnn, 778 nphdl, portid, prli_options); 779 break; 780 case TPRLO: 781 msg = "TPRLO"; 782 break; 783 case PDISC: 784 msg = "PDISC"; 785 break; 786 case ADISC: 787 msg = "ADISC"; 788 break; 789 default: 790 ISP_SNPRINTF(buf, sizeof (buf), "ELS 0x%x", 791 inot->in_status_subcode); 792 msg = buf; 793 break; 794 } 795 if (inot->in_flags & IN24XX_FLAG_PUREX_IOCB) { 796 isp_prt(isp, ISP_LOGERR, "%s Chan %d ELS N-port handle %x" 797 " PortID 0x%06x marked as needing a PUREX response", 798 msg, chan, nphdl, portid); 799 break; 800 } 801 isp_prt(isp, ISP_LOGTDEBUG0, "%s Chan %d ELS N-port handle %x" 802 " PortID 0x%06x RX_ID 0x%x OX_ID 0x%x", msg, chan, nphdl, 803 portid, inot->in_rxid, inot->in_oxid); 804 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 805 break; 806 } 807 808 case IN24XX_PORT_LOGOUT: 809 msg = "PORT LOGOUT"; 810 if (isp_find_pdb_by_handle(isp, chan, nphdl, &lp)) 811 isp_del_wwn_entry(isp, chan, lp->port_wwn, nphdl, lp->portid); 812 /* FALLTHROUGH */ 813 case IN24XX_PORT_CHANGED: 814 if (msg == NULL) 815 msg = "PORT CHANGED"; 816 /* FALLTHROUGH */ 817 case IN24XX_LIP_RESET: 818 if (msg == NULL) 819 msg = "LIP RESET"; 820 isp_prt(isp, ISP_LOGINFO, "Chan %d %s (sub-status 0x%x) for " 821 "N-port handle 0x%x", 822 chan, msg, inot->in_status_subcode, nphdl); 823 824 /* 825 * All subcodes here are irrelevant. What is relevant 826 * is that we need to terminate all active commands from 827 * this initiator (known by N-port handle). 828 */ 829 /* XXX IMPLEMENT XXX */ 830 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 831 break; 832 833 case IN24XX_SRR_RCVD: 834#ifdef ISP_TARGET_MODE 835 ISP_MEMZERO(¬ify, sizeof (isp_notify_t)); 836 notify.nt_hba = isp; 837 notify.nt_wwn = INI_ANY; 838 notify.nt_tgt = FCPARAM(isp, chan)->isp_wwpn; 839 notify.nt_nphdl = nphdl; 840 notify.nt_sid = portid; 841 notify.nt_did = PORT_ANY; 842 notify.nt_lun = LUN_ANY; 843 notify.nt_tagval = inot->in_rxid; 844 notify.nt_tagval |= ((uint64_t)inot->in_srr_rxid << 32); 845 notify.nt_need_ack = 1; 846 notify.nt_channel = chan; 847 notify.nt_lreserved = inot; 848 notify.nt_ncode = NT_SRR; 849 isp_async(isp, ISPASYNC_TARGET_NOTIFY, ¬ify); 850 break; 851#else 852 if (msg == NULL) 853 msg = "SRR RCVD"; 854 /* FALLTHROUGH */ 855#endif 856 case IN24XX_LINK_RESET: 857 if (msg == NULL) 858 msg = "LINK RESET"; 859 case IN24XX_LINK_FAILED: 860 if (msg == NULL) 861 msg = "LINK FAILED"; 862 default: 863 isp_prt(isp, ISP_LOGWARN, "Chan %d %s", chan, msg); 864 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 865 break; 866 } 867} 868#endif 869