1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 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 __FBSDID("$FreeBSD$"); 48 #include <dev/isp/isp_freebsd.h> 49 #endif 50 #ifdef __OpenBSD__ 51 #include <dev/ic/isp_openbsd.h> 52 #endif 53 #ifdef __linux__ 54 #include "isp_linux.h" 55 #endif 56 57 #ifdef ISP_TARGET_MODE 58 static const char rqo[] = "%s: Request Queue Overflow"; 59 60 static void isp_got_tmf_24xx(ispsoftc_t *, at7_entry_t *); 61 static void isp_handle_abts(ispsoftc_t *, abts_t *); 62 static void isp_handle_ctio7(ispsoftc_t *, ct7_entry_t *); 63 static void isp_handle_notify_24xx(ispsoftc_t *, in_fcentry_24xx_t *); 64 65 /* 66 * The Qlogic driver gets an interrupt to look at response queue entries. 67 * Some of these are status completions for initiatior mode commands, but 68 * if target mode is enabled, we get a whole wad of response queue entries 69 * to be handled here. 70 * 71 * Basically the split into 3 main groups: Lun Enable/Modification responses, 72 * SCSI Command processing, and Immediate Notification events. 73 * 74 * You start by writing a request queue entry to enable target mode (and 75 * establish some resource limitations which you can modify later). 76 * The f/w responds with a LUN ENABLE or LUN MODIFY response with 77 * the status of this action. If the enable was successful, you can expect... 78 * 79 * Response queue entries with SCSI commands encapsulate show up in an ATIO 80 * (Accept Target IO) type- sometimes with enough info to stop the command at 81 * this level. Ultimately the driver has to feed back to the f/w's request 82 * queue a sequence of CTIOs (continue target I/O) that describe data to 83 * be moved and/or status to be sent) and finally finishing with sending 84 * to the f/w's response queue an ATIO which then completes the handshake 85 * with the f/w for that command. There's a lot of variations on this theme, 86 * including flags you can set in the CTIO for the Qlogic 2X00 fibre channel 87 * cards that 'auto-replenish' the f/w's ATIO count, but this is the basic 88 * gist of it. 89 * 90 * The third group that can show up in the response queue are Immediate 91 * Notification events. These include things like notifications of SCSI bus 92 * resets, or Bus Device Reset messages or other messages received. This 93 * a classic oddbins area. It can get a little weird because you then turn 94 * around and acknowledge the Immediate Notify by writing an entry onto the 95 * request queue and then the f/w turns around and gives you an acknowledgement 96 * to *your* acknowledgement on the response queue (the idea being to let 97 * the f/w tell you when the event is *really* over I guess). 98 * 99 */ 100 101 102 /* 103 * A new response queue entry has arrived. The interrupt service code 104 * has already swizzled it into the platform dependent from canonical form. 105 * 106 * Because of the way this driver is designed, unfortunately most of the 107 * actual synchronization work has to be done in the platform specific 108 * code- we have no synchroniation primitives in the common code. 109 */ 110 111 int 112 isp_target_notify(ispsoftc_t *isp, void *vptr, uint32_t *optrp, uint16_t ql) 113 { 114 union { 115 at7_entry_t *at7iop; 116 ct7_entry_t *ct7iop; 117 in_fcentry_24xx_t *inot_24xx; 118 na_fcentry_24xx_t *nack_24xx; 119 isphdr_t *hp; 120 abts_t *abts; 121 abts_rsp_t *abts_rsp; 122 void * *vp; 123 #define at7iop unp.at7iop 124 #define ct7iop unp.ct7iop 125 #define inot_24xx unp.inot_24xx 126 #define nack_24xx unp.nack_24xx 127 #define abts unp.abts 128 #define abts_rsp unp.abts_rsp 129 #define hdrp unp.hp 130 } unp; 131 uint8_t local[QENTRY_LEN]; 132 int type, len, level, rval = 1; 133 134 type = isp_get_response_type(isp, (isphdr_t *)vptr); 135 unp.vp = vptr; 136 137 ISP_TDQE(isp, "isp_target_notify", (int) *optrp, vptr); 138 139 switch (type) { 140 case RQSTYPE_ATIO: 141 isp_get_atio7(isp, at7iop, (at7_entry_t *) local); 142 at7iop = (at7_entry_t *) local; 143 /* 144 * Check for and do something with commands whose 145 * IULEN extends past a single queue entry. 146 */ 147 len = at7iop->at_ta_len & 0x0fff; 148 if (len > (QENTRY_LEN - 8)) { 149 len -= (QENTRY_LEN - 8); 150 isp_prt(isp, ISP_LOGINFO, "long IU length (%d) ignored", len); 151 while (len > 0) { 152 *optrp = ISP_NXT_QENTRY(*optrp, ql); 153 len -= QENTRY_LEN; 154 } 155 } 156 /* 157 * Check for a task management function 158 */ 159 if (at7iop->at_cmnd.fcp_cmnd_task_management) { 160 isp_got_tmf_24xx(isp, at7iop); 161 break; 162 } 163 /* 164 * Just go straight to outer layer for this one. 165 */ 166 isp_async(isp, ISPASYNC_TARGET_ACTION, local); 167 break; 168 169 case RQSTYPE_CTIO7: 170 isp_get_ctio7(isp, ct7iop, (ct7_entry_t *) local); 171 isp_handle_ctio7(isp, (ct7_entry_t *) local); 172 break; 173 174 case RQSTYPE_NOTIFY: 175 isp_get_notify_24xx(isp, inot_24xx, (in_fcentry_24xx_t *)local); 176 isp_handle_notify_24xx(isp, (in_fcentry_24xx_t *)local); 177 178 case RQSTYPE_NOTIFY_ACK: 179 /* 180 * The ISP is acknowledging our acknowledgement of an 181 * Immediate Notify entry for some asynchronous event. 182 */ 183 isp_get_notify_ack_24xx(isp, nack_24xx, (na_fcentry_24xx_t *) local); 184 nack_24xx = (na_fcentry_24xx_t *) local; 185 if (nack_24xx->na_status != NA_OK) 186 level = ISP_LOGINFO; 187 else 188 level = ISP_LOGTDEBUG1; 189 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); 190 break; 191 192 case RQSTYPE_ABTS_RCVD: 193 isp_get_abts(isp, abts, (abts_t *)local); 194 isp_handle_abts(isp, (abts_t *)local); 195 break; 196 case RQSTYPE_ABTS_RSP: 197 isp_get_abts_rsp(isp, abts_rsp, (abts_rsp_t *)local); 198 abts_rsp = (abts_rsp_t *) local; 199 if (abts_rsp->abts_rsp_status) 200 level = ISP_LOGINFO; 201 else 202 level = ISP_LOGTDEBUG0; 203 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, 204 abts_rsp->abts_rsp_payload.rsp.subcode1, abts_rsp->abts_rsp_payload.rsp.subcode2); 205 break; 206 default: 207 isp_prt(isp, ISP_LOGERR, "%s: unknown entry type 0x%x", __func__, type); 208 rval = 0; 209 break; 210 } 211 #undef at7iop 212 #undef ct7iop 213 #undef inot_24xx 214 #undef hack_24xx 215 #undef abts 216 #undef abts_rsp 217 #undef hdrp 218 return (rval); 219 } 220 221 int 222 isp_target_put_entry(ispsoftc_t *isp, void *ap) 223 { 224 void *outp; 225 uint8_t etype = ((isphdr_t *) ap)->rqs_entry_type; 226 227 outp = isp_getrqentry(isp); 228 if (outp == NULL) { 229 isp_prt(isp, ISP_LOGWARN, rqo, __func__); 230 return (-1); 231 } 232 switch (etype) { 233 case RQSTYPE_NOTIFY_ACK: 234 isp_put_notify_ack_24xx(isp, (na_fcentry_24xx_t *)ap, 235 (na_fcentry_24xx_t *)outp); 236 break; 237 case RQSTYPE_CTIO7: 238 isp_put_ctio7(isp, (ct7_entry_t *)ap, (ct7_entry_t *)outp); 239 break; 240 case RQSTYPE_ABTS_RSP: 241 isp_put_abts_rsp(isp, (abts_rsp_t *)ap, (abts_rsp_t *)outp); 242 break; 243 default: 244 isp_prt(isp, ISP_LOGERR, "%s: Unknown type 0x%x", __func__, etype); 245 return (-1); 246 } 247 ISP_TDQE(isp, __func__, isp->isp_reqidx, ap); 248 ISP_SYNC_REQUEST(isp); 249 return (0); 250 } 251 252 /* 253 * Command completion- both for handling cases of no resources or 254 * no blackhole driver, or other cases where we have to, inline, 255 * finish the command sanely, or for normal command completion. 256 * 257 * The 'completion' code value has the scsi status byte in the low 8 bits. 258 * If status is a CHECK CONDITION and bit 8 is nonzero, then bits 12..15 have 259 * the sense key and bits 16..23 have the ASCQ and bits 24..31 have the ASC 260 * values. 261 * 262 * NB: the key, asc, ascq, cannot be used for parallel SCSI as it doesn't 263 * NB: inline SCSI sense reporting. As such, we lose this information. XXX. 264 * 265 * For both parallel && fibre channel, we use the feature that does 266 * an automatic resource autoreplenish so we don't have then later do 267 * put of an atio to replenish the f/w's resource count. 268 */ 269 270 int 271 isp_endcmd(ispsoftc_t *isp, ...) 272 { 273 uint32_t code, hdl; 274 uint8_t sts; 275 at7_entry_t *aep; 276 ct7_entry_t _ctio7, *cto = &_ctio7; 277 va_list ap; 278 int vpidx, nphdl; 279 280 va_start(ap, isp); 281 aep = va_arg(ap, at7_entry_t *); 282 nphdl = va_arg(ap, int); 283 /* 284 * Note that vpidx may equal 0xff (unknown) here 285 */ 286 vpidx = va_arg(ap, int); 287 code = va_arg(ap, uint32_t); 288 hdl = va_arg(ap, uint32_t); 289 va_end(ap); 290 isp_prt(isp, ISP_LOGTDEBUG0, "%s: [RX_ID 0x%x] chan %d code %x", __func__, aep->at_rxid, vpidx, code); 291 292 sts = code & 0xff; 293 ISP_MEMZERO(cto, sizeof(*cto)); 294 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7; 295 cto->ct_header.rqs_entry_count = 1; 296 cto->ct_nphdl = nphdl; 297 cto->ct_rxid = aep->at_rxid; 298 cto->ct_iid_lo = (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 299 cto->ct_iid_hi = aep->at_hdr.s_id[0]; 300 cto->ct_oxid = aep->at_hdr.ox_id; 301 cto->ct_scsi_status = sts; 302 cto->ct_vpidx = vpidx; 303 cto->ct_flags = CT7_NOACK; 304 if (code & ECMD_TERMINATE) { 305 cto->ct_flags |= CT7_TERMINATE; 306 } else if (code & ECMD_SVALID) { 307 cto->ct_flags |= CT7_FLAG_MODE1 | CT7_SENDSTATUS; 308 cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8); 309 cto->ct_senselen = min(16, MAXRESPLEN_24XX); 310 ISP_MEMZERO(cto->rsp.m1.ct_resp, sizeof (cto->rsp.m1.ct_resp)); 311 cto->rsp.m1.ct_resp[0] = 0xf0; 312 cto->rsp.m1.ct_resp[2] = (code >> 12) & 0xf; 313 cto->rsp.m1.ct_resp[7] = 8; 314 cto->rsp.m1.ct_resp[12] = (code >> 16) & 0xff; 315 cto->rsp.m1.ct_resp[13] = (code >> 24) & 0xff; 316 } else if (code & ECMD_RVALID) { 317 cto->ct_flags |= CT7_FLAG_MODE1 | CT7_SENDSTATUS; 318 cto->ct_scsi_status |= (FCP_RSPLEN_VALID << 8); 319 cto->rsp.m1.ct_resplen = 4; 320 ISP_MEMZERO(cto->rsp.m1.ct_resp, sizeof (cto->rsp.m1.ct_resp)); 321 cto->rsp.m1.ct_resp[0] = (code >> 12) & 0xf; 322 cto->rsp.m1.ct_resp[1] = (code >> 16) & 0xff; 323 cto->rsp.m1.ct_resp[2] = (code >> 24) & 0xff; 324 cto->rsp.m1.ct_resp[3] = 0; 325 } else { 326 cto->ct_flags |= CT7_FLAG_MODE1 | CT7_SENDSTATUS; 327 } 328 if (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl != 0) { 329 cto->ct_resid = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl; 330 cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8); 331 } 332 cto->ct_syshandle = hdl; 333 return (isp_target_put_entry(isp, cto)); 334 } 335 336 /* 337 * These are either broadcast events or specifically CTIO fast completion 338 */ 339 340 void 341 isp_target_async(ispsoftc_t *isp, int bus, int event) 342 { 343 isp_notify_t notify; 344 345 ISP_MEMZERO(¬ify, sizeof (isp_notify_t)); 346 notify.nt_hba = isp; 347 notify.nt_wwn = INI_ANY; 348 notify.nt_nphdl = NIL_HANDLE; 349 notify.nt_sid = PORT_ANY; 350 notify.nt_did = PORT_ANY; 351 notify.nt_tgt = TGT_ANY; 352 notify.nt_channel = bus; 353 notify.nt_lun = LUN_ANY; 354 notify.nt_tagval = TAG_ANY; 355 notify.nt_tagval |= (((uint64_t)(isp->isp_serno++)) << 32); 356 357 switch (event) { 358 case ASYNC_LOOP_UP: 359 case ASYNC_PTPMODE: 360 isp_prt(isp, ISP_LOGTDEBUG0, "%s: LOOP UP", __func__); 361 notify.nt_ncode = NT_LINK_UP; 362 isp_async(isp, ISPASYNC_TARGET_NOTIFY, ¬ify); 363 break; 364 case ASYNC_LOOP_DOWN: 365 isp_prt(isp, ISP_LOGTDEBUG0, "%s: LOOP DOWN", __func__); 366 notify.nt_ncode = NT_LINK_DOWN; 367 isp_async(isp, ISPASYNC_TARGET_NOTIFY, ¬ify); 368 break; 369 case ASYNC_LIP_ERROR: 370 case ASYNC_LIP_NOS_OLS_RECV: 371 case ASYNC_LIP_OCCURRED: 372 case ASYNC_LOOP_RESET: 373 isp_prt(isp, ISP_LOGTDEBUG0, "%s: LIP RESET", __func__); 374 notify.nt_ncode = NT_LIP_RESET; 375 isp_async(isp, ISPASYNC_TARGET_NOTIFY, ¬ify); 376 break; 377 default: 378 isp_prt(isp, ISP_LOGERR, "%s: unknown event 0x%x", __func__, event); 379 break; 380 } 381 } 382 383 static void 384 isp_got_tmf_24xx(ispsoftc_t *isp, at7_entry_t *aep) 385 { 386 isp_notify_t notify; 387 static const char f1[] = "%s from PortID 0x%06x lun %jx seq 0x%08x"; 388 static const char f2[] = "unknown Task Flag 0x%x lun %jx PortID 0x%x tag 0x%08x"; 389 fcportdb_t *lp; 390 uint16_t chan; 391 uint32_t sid, did; 392 393 ISP_MEMZERO(¬ify, sizeof (isp_notify_t)); 394 notify.nt_hba = isp; 395 notify.nt_wwn = INI_ANY; 396 notify.nt_lun = CAM_EXTLUN_BYTE_SWIZZLE(be64dec(aep->at_cmnd.fcp_cmnd_lun)); 397 notify.nt_tagval = aep->at_rxid; 398 notify.nt_tagval |= (((uint64_t)(isp->isp_serno++)) << 32); 399 notify.nt_lreserved = aep; 400 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2]; 401 did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2]; 402 if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) { 403 /* Channel has to be derived from D_ID */ 404 isp_find_chan_by_did(isp, did, &chan); 405 if (chan == ISP_NOCHAN) { 406 isp_prt(isp, ISP_LOGWARN, 407 "%s: D_ID 0x%x not found on any channel", 408 __func__, did); 409 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, 410 ECMD_TERMINATE, 0); 411 return; 412 } 413 } else { 414 chan = 0; 415 } 416 if (isp_find_pdb_by_portid(isp, chan, sid, &lp)) 417 notify.nt_nphdl = lp->handle; 418 else 419 notify.nt_nphdl = NIL_HANDLE; 420 notify.nt_sid = sid; 421 notify.nt_did = did; 422 notify.nt_channel = chan; 423 if (aep->at_cmnd.fcp_cmnd_task_management & FCP_CMND_TMF_QUERY_TASK_SET) { 424 isp_prt(isp, ISP_LOGINFO, f1, "QUERY TASK SET", sid, notify.nt_lun, aep->at_rxid); 425 notify.nt_ncode = NT_QUERY_TASK_SET; 426 } else if (aep->at_cmnd.fcp_cmnd_task_management & FCP_CMND_TMF_ABORT_TASK_SET) { 427 isp_prt(isp, ISP_LOGINFO, f1, "ABORT TASK SET", sid, notify.nt_lun, aep->at_rxid); 428 notify.nt_ncode = NT_ABORT_TASK_SET; 429 } else if (aep->at_cmnd.fcp_cmnd_task_management & FCP_CMND_TMF_CLEAR_TASK_SET) { 430 isp_prt(isp, ISP_LOGINFO, f1, "CLEAR TASK SET", sid, notify.nt_lun, aep->at_rxid); 431 notify.nt_ncode = NT_CLEAR_TASK_SET; 432 } else if (aep->at_cmnd.fcp_cmnd_task_management & FCP_CMND_TMF_QUERY_ASYNC_EVENT) { 433 isp_prt(isp, ISP_LOGINFO, f1, "QUERY ASYNC EVENT", sid, notify.nt_lun, aep->at_rxid); 434 notify.nt_ncode = NT_QUERY_ASYNC_EVENT; 435 } else if (aep->at_cmnd.fcp_cmnd_task_management & FCP_CMND_TMF_LUN_RESET) { 436 isp_prt(isp, ISP_LOGINFO, f1, "LUN RESET", sid, notify.nt_lun, aep->at_rxid); 437 notify.nt_ncode = NT_LUN_RESET; 438 } else if (aep->at_cmnd.fcp_cmnd_task_management & FCP_CMND_TMF_TGT_RESET) { 439 isp_prt(isp, ISP_LOGINFO, f1, "TARGET RESET", sid, notify.nt_lun, aep->at_rxid); 440 notify.nt_ncode = NT_TARGET_RESET; 441 } else if (aep->at_cmnd.fcp_cmnd_task_management & FCP_CMND_TMF_CLEAR_ACA) { 442 isp_prt(isp, ISP_LOGINFO, f1, "CLEAR ACA", sid, notify.nt_lun, aep->at_rxid); 443 notify.nt_ncode = NT_CLEAR_ACA; 444 } else { 445 isp_prt(isp, ISP_LOGWARN, f2, aep->at_cmnd.fcp_cmnd_task_management, notify.nt_lun, sid, aep->at_rxid); 446 notify.nt_ncode = NT_UNKNOWN; 447 isp_endcmd(isp, aep, notify.nt_nphdl, chan, ECMD_RVALID | (0x4 << 12), 0); 448 return; 449 } 450 isp_async(isp, ISPASYNC_TARGET_NOTIFY, ¬ify); 451 } 452 453 int 454 isp_notify_ack(ispsoftc_t *isp, void *arg) 455 { 456 na_fcentry_24xx_t _na, *na = &_na; 457 458 /* 459 * This is in case a Task Management Function ends up here. 460 */ 461 if (((isphdr_t *)arg)->rqs_entry_type == RQSTYPE_ATIO) 462 return (isp_endcmd(isp, arg, NIL_HANDLE, 0, 0, 0)); 463 464 in_fcentry_24xx_t *in = arg; 465 466 ISP_MEMZERO(na, sizeof(*na)); 467 na->na_header.rqs_entry_type = RQSTYPE_NOTIFY_ACK; 468 na->na_header.rqs_entry_count = 1; 469 na->na_nphdl = in->in_nphdl; 470 na->na_flags = in->in_flags; 471 na->na_status = in->in_status; 472 na->na_status_subcode = in->in_status_subcode; 473 na->na_fwhandle = in->in_fwhandle; 474 na->na_rxid = in->in_rxid; 475 na->na_oxid = in->in_oxid; 476 na->na_vpidx = in->in_vpidx; 477 if (in->in_status == IN24XX_SRR_RCVD) { 478 na->na_srr_rxid = in->in_srr_rxid; 479 na->na_srr_reloff_hi = in->in_srr_reloff_hi; 480 na->na_srr_reloff_lo = in->in_srr_reloff_lo; 481 na->na_srr_iu = in->in_srr_iu; 482 /* 483 * Whether we're accepting the SRR or rejecting 484 * it is determined by looking at the in_reserved 485 * field in the original notify structure. 486 */ 487 if (in->in_reserved) { 488 na->na_srr_flags = 1; 489 na->na_srr_reject_vunique = 0; 490 /* Unable to perform this command at this time. */ 491 na->na_srr_reject_code = 9; 492 /* Unable to supply the requested data. */ 493 na->na_srr_reject_explanation = 0x2a; 494 } 495 } 496 return (isp_target_put_entry(isp, na)); 497 } 498 499 int 500 isp_acknak_abts(ispsoftc_t *isp, void *arg, int errno) 501 { 502 char storage[QENTRY_LEN]; 503 uint16_t tmpw; 504 uint8_t tmpb; 505 abts_t *abts = arg; 506 abts_rsp_t *rsp = (abts_rsp_t *) storage; 507 508 if (abts->abts_header.rqs_entry_type != RQSTYPE_ABTS_RCVD) { 509 isp_prt(isp, ISP_LOGERR, "%s: called for non-ABTS entry (0x%x)", __func__, abts->abts_header.rqs_entry_type); 510 return (0); 511 } 512 513 ISP_MEMCPY(rsp, abts, QENTRY_LEN); 514 rsp->abts_rsp_header.rqs_entry_type = RQSTYPE_ABTS_RSP; 515 516 /* 517 * Swap destination and source for response. 518 */ 519 rsp->abts_rsp_r_ctl = BA_ACC; 520 tmpw = rsp->abts_rsp_did_lo; 521 tmpb = rsp->abts_rsp_did_hi; 522 rsp->abts_rsp_did_lo = rsp->abts_rsp_sid_lo; 523 rsp->abts_rsp_did_hi = rsp->abts_rsp_sid_hi; 524 rsp->abts_rsp_sid_lo = tmpw; 525 rsp->abts_rsp_sid_hi = tmpb; 526 527 rsp->abts_rsp_f_ctl_hi ^= 0x80; /* invert Exchange Context */ 528 rsp->abts_rsp_f_ctl_hi &= ~0x7f; /* clear Sequence Initiator and other bits */ 529 rsp->abts_rsp_f_ctl_hi |= 0x10; /* abort the whole exchange */ 530 rsp->abts_rsp_f_ctl_hi |= 0x8; /* last data frame of sequence */ 531 rsp->abts_rsp_f_ctl_hi |= 0x1; /* transfer Sequence Initiative */ 532 rsp->abts_rsp_f_ctl_lo = 0; 533 534 if (errno == 0) { 535 uint16_t rx_id, ox_id; 536 537 rx_id = rsp->abts_rsp_rx_id; 538 ox_id = rsp->abts_rsp_ox_id; 539 ISP_MEMZERO(&rsp->abts_rsp_payload.ba_acc, sizeof (rsp->abts_rsp_payload.ba_acc)); 540 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); 541 rsp->abts_rsp_payload.ba_acc.aborted_rx_id = rx_id; 542 rsp->abts_rsp_payload.ba_acc.aborted_ox_id = ox_id; 543 rsp->abts_rsp_payload.ba_acc.high_seq_cnt = 0xffff; 544 } else { 545 ISP_MEMZERO(&rsp->abts_rsp_payload.ba_rjt, sizeof (rsp->abts_rsp_payload.ba_acc)); 546 switch (errno) { 547 case ENOMEM: 548 rsp->abts_rsp_payload.ba_rjt.reason = 5; /* Logical Unit Busy */ 549 break; 550 default: 551 rsp->abts_rsp_payload.ba_rjt.reason = 9; /* Unable to perform command request */ 552 break; 553 } 554 } 555 return (isp_target_put_entry(isp, rsp)); 556 } 557 558 static void 559 isp_handle_abts(ispsoftc_t *isp, abts_t *abts) 560 { 561 isp_notify_t notify, *nt = ¬ify; 562 fcportdb_t *lp; 563 uint16_t chan; 564 uint32_t sid, did; 565 566 did = (abts->abts_did_hi << 16) | abts->abts_did_lo; 567 sid = (abts->abts_sid_hi << 16) | abts->abts_sid_lo; 568 ISP_MEMZERO(nt, sizeof (isp_notify_t)); 569 570 nt->nt_hba = isp; 571 nt->nt_did = did; 572 nt->nt_nphdl = abts->abts_nphdl; 573 nt->nt_sid = sid; 574 if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) { 575 /* Channel has to be derived from D_ID */ 576 isp_find_chan_by_did(isp, did, &chan); 577 if (chan == ISP_NOCHAN) { 578 isp_prt(isp, ISP_LOGWARN, 579 "%s: D_ID 0x%x not found on any channel", 580 __func__, did); 581 isp_acknak_abts(isp, abts, ENXIO); 582 return; 583 } 584 } else 585 chan = 0; 586 nt->nt_tgt = FCPARAM(isp, chan)->isp_wwpn; 587 if (isp_find_pdb_by_handle(isp, chan, abts->abts_nphdl, &lp)) 588 nt->nt_wwn = lp->port_wwn; 589 else 590 nt->nt_wwn = INI_ANY; 591 nt->nt_lun = LUN_ANY; 592 nt->nt_need_ack = 1; 593 nt->nt_tagval = abts->abts_rxid_task; 594 nt->nt_tagval |= (((uint64_t) abts->abts_rxid_abts) << 32); 595 isp_prt(isp, ISP_LOGTINFO, "[0x%x] ABTS from N-Port handle 0x%x" 596 " Port 0x%06x for task 0x%x (rx_id 0x%04x ox_id 0x%04x)", 597 abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rxid_task, 598 abts->abts_rx_id, abts->abts_ox_id); 599 nt->nt_channel = chan; 600 nt->nt_ncode = NT_ABORT_TASK; 601 nt->nt_lreserved = abts; 602 isp_async(isp, ISPASYNC_TARGET_NOTIFY, ¬ify); 603 } 604 605 static void 606 isp_handle_ctio7(ispsoftc_t *isp, ct7_entry_t *ct) 607 { 608 void *xs; 609 int pl = ISP_LOGTDEBUG2; 610 char *fmsg = NULL; 611 612 if (ct->ct_syshandle) { 613 xs = isp_find_xs(isp, ct->ct_syshandle); 614 if (xs == NULL) { 615 pl = ISP_LOGALL; 616 } 617 } else { 618 xs = NULL; 619 } 620 621 switch (ct->ct_nphdl) { 622 case CT7_BUS_ERROR: 623 isp_prt(isp, ISP_LOGERR, "PCI DMA Bus Error"); 624 /* FALL Through */ 625 case CT7_DATA_OVER: 626 case CT7_DATA_UNDER: 627 case CT7_OK: 628 /* 629 * There are generally 2 possibilities as to why we'd get 630 * this condition: 631 * We sent or received data. 632 * We sent status & command complete. 633 */ 634 635 break; 636 637 case CT7_RESET: 638 if (fmsg == NULL) { 639 fmsg = "LIP Reset"; 640 } 641 /*FALLTHROUGH*/ 642 case CT7_ABORTED: 643 /* 644 * When an Abort message is received the firmware goes to 645 * Bus Free and returns all outstanding CTIOs with the status 646 * set, then sends us an Immediate Notify entry. 647 */ 648 if (fmsg == NULL) { 649 fmsg = "ABORT"; 650 } 651 isp_prt(isp, ISP_LOGTDEBUG0, "CTIO7 destroyed by %s: RX_ID=0x%x", fmsg, ct->ct_rxid); 652 break; 653 654 case CT7_TIMEOUT: 655 if (fmsg == NULL) { 656 fmsg = "command"; 657 } 658 isp_prt(isp, ISP_LOGWARN, "Firmware timed out on %s", fmsg); 659 break; 660 661 case CT7_ERR: 662 fmsg = "Completed with Error"; 663 /*FALLTHROUGH*/ 664 case CT7_LOGOUT: 665 if (fmsg == NULL) { 666 fmsg = "Port Logout"; 667 } 668 /*FALLTHROUGH*/ 669 case CT7_PORTUNAVAIL: 670 if (fmsg == NULL) { 671 fmsg = "Port not available"; 672 } 673 /*FALLTHROUGH*/ 674 case CT7_PORTCHANGED: 675 if (fmsg == NULL) { 676 fmsg = "Port Changed"; 677 } 678 isp_prt(isp, ISP_LOGWARN, "CTIO returned by f/w- %s", fmsg); 679 break; 680 681 case CT7_INVRXID: 682 /* 683 * CTIO rejected by the firmware because an invalid RX_ID. 684 * Just print a message. 685 */ 686 isp_prt(isp, ISP_LOGWARN, "CTIO7 completed with Invalid RX_ID 0x%x", ct->ct_rxid); 687 break; 688 689 case CT7_REASSY_ERR: 690 isp_prt(isp, ISP_LOGWARN, "reassembly error"); 691 break; 692 693 case CT7_SRR: 694 isp_prt(isp, ISP_LOGTDEBUG0, "SRR received"); 695 break; 696 697 default: 698 isp_prt(isp, ISP_LOGERR, "Unknown CTIO7 status 0x%x", ct->ct_nphdl); 699 break; 700 } 701 702 if (xs == NULL) { 703 /* 704 * There may be more than one CTIO for a data transfer, 705 * or this may be a status CTIO we're not monitoring. 706 * 707 * The assumption is that they'll all be returned in the 708 * order we got them. 709 */ 710 if (ct->ct_syshandle == 0) { 711 if (ct->ct_flags & CT7_TERMINATE) { 712 isp_prt(isp, ISP_LOGINFO, "termination of [RX_ID 0x%x] complete", ct->ct_rxid); 713 } else if ((ct->ct_flags & CT7_SENDSTATUS) == 0) { 714 isp_prt(isp, pl, "intermediate CTIO completed ok"); 715 } else { 716 isp_prt(isp, pl, "unmonitored CTIO completed ok"); 717 } 718 } else { 719 isp_prt(isp, pl, "NO xs for CTIO (handle 0x%x) status 0x%x", ct->ct_syshandle, ct->ct_nphdl); 720 } 721 } else { 722 ISP_DMAFREE(isp, xs); 723 if (ct->ct_flags & CT7_SENDSTATUS) { 724 /* 725 * Sent status and command complete. 726 * 727 * We're now really done with this command, so we 728 * punt to the platform dependent layers because 729 * only there can we do the appropriate command 730 * complete thread synchronization. 731 */ 732 isp_prt(isp, pl, "status CTIO complete"); 733 } else { 734 /* 735 * Final CTIO completed. Release DMA resources and 736 * notify platform dependent layers. 737 */ 738 isp_prt(isp, pl, "data CTIO complete"); 739 } 740 isp_async(isp, ISPASYNC_TARGET_ACTION, ct); 741 /* 742 * The platform layer will destroy the handle if appropriate. 743 */ 744 } 745 } 746 747 static void 748 isp_handle_notify_24xx(ispsoftc_t *isp, in_fcentry_24xx_t *inot) 749 { 750 uint8_t chan; 751 uint16_t nphdl, prli_options = 0; 752 uint32_t portid; 753 fcportdb_t *lp; 754 char *msg = NULL; 755 uint8_t *ptr = (uint8_t *)inot; 756 uint64_t wwpn = INI_NONE, wwnn = INI_NONE; 757 isp_notify_t notify; 758 char buf[16]; 759 760 nphdl = inot->in_nphdl; 761 if (nphdl != NIL_HANDLE) { 762 portid = inot->in_portid_hi << 16 | inot->in_portid_lo; 763 } else { 764 portid = PORT_ANY; 765 } 766 767 chan = ISP_GET_VPIDX(isp, inot->in_vpidx); 768 if (chan >= isp->isp_nchan && 769 inot->in_status != IN24XX_LIP_RESET && 770 inot->in_status != IN24XX_LINK_RESET && 771 inot->in_status != IN24XX_LINK_FAILED) { 772 isp_prt(isp, ISP_LOGWARN, "%s: Received INOT with status %x on VP %x", 773 __func__, inot->in_status, chan); 774 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 775 return; 776 } 777 778 switch (inot->in_status) { 779 case IN24XX_ELS_RCVD: 780 { 781 /* 782 * Note that we're just getting notification that an ELS was 783 * received (possibly with some associated information sent 784 * upstream). This is *not* the same as being given the ELS 785 * frame to accept or reject. 786 */ 787 switch (inot->in_status_subcode) { 788 case LOGO: 789 msg = "LOGO"; 790 wwpn = be64dec(&ptr[IN24XX_PLOGI_WWPN_OFF]); 791 isp_del_wwn_entry(isp, chan, wwpn, nphdl, portid); 792 break; 793 case PRLO: 794 msg = "PRLO"; 795 break; 796 case PLOGI: 797 msg = "PLOGI"; 798 wwnn = be64dec(&ptr[IN24XX_PLOGI_WWNN_OFF]); 799 wwpn = be64dec(&ptr[IN24XX_PLOGI_WWPN_OFF]); 800 isp_add_wwn_entry(isp, chan, wwpn, wwnn, 801 nphdl, portid, prli_options); 802 break; 803 case PRLI: 804 msg = "PRLI"; 805 prli_options = inot->in_prli_options; 806 if (inot->in_flags & IN24XX_FLAG_PN_NN_VALID) 807 wwnn = be64dec(&ptr[IN24XX_PRLI_WWNN_OFF]); 808 wwpn = be64dec(&ptr[IN24XX_PRLI_WWPN_OFF]); 809 isp_add_wwn_entry(isp, chan, wwpn, wwnn, 810 nphdl, portid, prli_options); 811 break; 812 case TPRLO: 813 msg = "TPRLO"; 814 break; 815 case PDISC: 816 msg = "PDISC"; 817 break; 818 case ADISC: 819 msg = "ADISC"; 820 break; 821 default: 822 ISP_SNPRINTF(buf, sizeof (buf), "ELS 0x%x", 823 inot->in_status_subcode); 824 msg = buf; 825 break; 826 } 827 if (inot->in_flags & IN24XX_FLAG_PUREX_IOCB) { 828 isp_prt(isp, ISP_LOGERR, "%s Chan %d ELS N-port handle %x" 829 " PortID 0x%06x marked as needing a PUREX response", 830 msg, chan, nphdl, portid); 831 break; 832 } 833 isp_prt(isp, ISP_LOGTDEBUG0, "%s Chan %d ELS N-port handle %x" 834 " PortID 0x%06x RX_ID 0x%x OX_ID 0x%x", msg, chan, nphdl, 835 portid, inot->in_rxid, inot->in_oxid); 836 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 837 break; 838 } 839 840 case IN24XX_PORT_LOGOUT: 841 msg = "PORT LOGOUT"; 842 if (isp_find_pdb_by_handle(isp, chan, nphdl, &lp)) 843 isp_del_wwn_entry(isp, chan, lp->port_wwn, nphdl, lp->portid); 844 /* FALLTHROUGH */ 845 case IN24XX_PORT_CHANGED: 846 if (msg == NULL) 847 msg = "PORT CHANGED"; 848 /* FALLTHROUGH */ 849 case IN24XX_LIP_RESET: 850 if (msg == NULL) 851 msg = "LIP RESET"; 852 isp_prt(isp, ISP_LOGINFO, "Chan %d %s (sub-status 0x%x) for " 853 "N-port handle 0x%x", 854 chan, msg, inot->in_status_subcode, nphdl); 855 856 /* 857 * All subcodes here are irrelevant. What is relevant 858 * is that we need to terminate all active commands from 859 * this initiator (known by N-port handle). 860 */ 861 /* XXX IMPLEMENT XXX */ 862 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 863 break; 864 865 case IN24XX_SRR_RCVD: 866 #ifdef ISP_TARGET_MODE 867 ISP_MEMZERO(¬ify, sizeof (isp_notify_t)); 868 notify.nt_hba = isp; 869 notify.nt_wwn = INI_ANY; 870 notify.nt_tgt = FCPARAM(isp, chan)->isp_wwpn; 871 notify.nt_nphdl = nphdl; 872 notify.nt_sid = portid; 873 notify.nt_did = PORT_ANY; 874 notify.nt_lun = LUN_ANY; 875 notify.nt_tagval = inot->in_rxid; 876 notify.nt_tagval |= ((uint64_t)inot->in_srr_rxid << 32); 877 notify.nt_need_ack = 1; 878 notify.nt_channel = chan; 879 notify.nt_lreserved = inot; 880 notify.nt_ncode = NT_SRR; 881 isp_async(isp, ISPASYNC_TARGET_NOTIFY, ¬ify); 882 break; 883 #else 884 if (msg == NULL) 885 msg = "SRR RCVD"; 886 /* FALLTHROUGH */ 887 #endif 888 case IN24XX_LINK_RESET: 889 if (msg == NULL) 890 msg = "LINK RESET"; 891 case IN24XX_LINK_FAILED: 892 if (msg == NULL) 893 msg = "LINK FAILED"; 894 default: 895 isp_prt(isp, ISP_LOGWARN, "Chan %d %s", chan, msg); 896 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot); 897 break; 898 } 899 } 900 #endif 901