1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2014-2021 Alexander Motin <mav@FreeBSD.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer, 12 * without modification, immediately at the beginning of the file. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/param.h> 30 #include <sys/systm.h> 31 #include <sys/kernel.h> 32 #include <sys/types.h> 33 #include <sys/lock.h> 34 #include <sys/module.h> 35 #include <sys/mutex.h> 36 #include <sys/condvar.h> 37 #include <sys/malloc.h> 38 #include <sys/conf.h> 39 #include <sys/queue.h> 40 #include <sys/sysctl.h> 41 #include <sys/nv.h> 42 #include <sys/dnv.h> 43 #include <machine/atomic.h> 44 45 #include <cam/cam.h> 46 #include <cam/scsi/scsi_all.h> 47 #include <cam/scsi/scsi_da.h> 48 #include <cam/ctl/ctl_io.h> 49 #include <cam/ctl/ctl.h> 50 #include <cam/ctl/ctl_frontend.h> 51 #include <cam/ctl/ctl_util.h> 52 #include <cam/ctl/ctl_backend.h> 53 #include <cam/ctl/ctl_ioctl.h> 54 #include <cam/ctl/ctl_ha.h> 55 #include <cam/ctl/ctl_private.h> 56 #include <cam/ctl/ctl_debug.h> 57 #include <cam/ctl/ctl_scsi_all.h> 58 #include <cam/ctl/ctl_tpc.h> 59 #include <cam/ctl/ctl_error.h> 60 61 #define TPC_MAX_CSCDS 64 62 #define TPC_MAX_SEGS 64 63 #define TPC_MAX_SEG 0 64 #define TPC_MAX_LIST 8192 65 #define TPC_MAX_INLINE 0 66 #define TPC_MAX_LISTS 255 67 #define TPC_MAX_IO_SIZE (8 * MIN(1024 * 1024, MAX(128 * 1024, maxphys))) 68 #define TPC_MAX_IOCHUNK_SIZE (TPC_MAX_IO_SIZE * 4) 69 #define TPC_MIN_TOKEN_TIMEOUT 1 70 #define TPC_DFL_TOKEN_TIMEOUT 60 71 #define TPC_MAX_TOKEN_TIMEOUT 600 72 73 MALLOC_DEFINE(M_CTL_TPC, "ctltpc", "CTL TPC"); 74 75 typedef enum { 76 TPC_ERR_RETRY = 0x000, 77 TPC_ERR_FAIL = 0x001, 78 TPC_ERR_MASK = 0x0ff, 79 TPC_ERR_NO_DECREMENT = 0x100 80 } tpc_error_action; 81 82 struct tpc_list; 83 TAILQ_HEAD(runl, tpc_io); 84 struct tpc_io { 85 union ctl_io *io; 86 uint8_t target; 87 uint32_t cscd; 88 uint64_t lun; 89 uint8_t *buf; 90 struct tpc_list *list; 91 struct runl run; 92 TAILQ_ENTRY(tpc_io) rlinks; 93 TAILQ_ENTRY(tpc_io) links; 94 }; 95 96 struct tpc_token { 97 uint8_t token[512]; 98 uint64_t lun; 99 uint32_t blocksize; 100 uint8_t *params; 101 struct scsi_range_desc *range; 102 int nrange; 103 int active; 104 time_t last_active; 105 uint32_t timeout; 106 TAILQ_ENTRY(tpc_token) links; 107 }; 108 109 struct tpc_list { 110 uint8_t service_action; 111 int init_port; 112 uint32_t init_idx; 113 uint32_t list_id; 114 uint8_t flags; 115 uint8_t *params; 116 struct scsi_ec_cscd *cscd; 117 struct scsi_ec_segment *seg[TPC_MAX_SEGS]; 118 uint8_t *inl; 119 int ncscd; 120 int nseg; 121 int leninl; 122 struct tpc_token *token; 123 struct scsi_range_desc *range; 124 int nrange; 125 off_t offset_into_rod; 126 127 int curseg; 128 off_t cursectors; 129 off_t curbytes; 130 int curops; 131 int stage; 132 off_t segsectors; 133 off_t segbytes; 134 int tbdio; 135 int error; 136 int abort; 137 int completed; 138 time_t last_active; 139 TAILQ_HEAD(, tpc_io) allio; 140 struct scsi_sense_data fwd_sense_data; 141 uint8_t fwd_sense_len; 142 uint8_t fwd_scsi_status; 143 uint8_t fwd_target; 144 uint16_t fwd_cscd; 145 struct scsi_sense_data sense_data; 146 uint8_t sense_len; 147 uint8_t scsi_status; 148 struct ctl_scsiio *ctsio; 149 struct ctl_lun *lun; 150 int res_token_valid; 151 uint8_t res_token[512]; 152 TAILQ_ENTRY(tpc_list) links; 153 }; 154 155 static void 156 tpc_timeout(void *arg) 157 { 158 struct ctl_softc *softc = arg; 159 struct ctl_lun *lun; 160 struct tpc_token *token, *ttoken; 161 struct tpc_list *list, *tlist; 162 163 /* Free completed lists with expired timeout. */ 164 STAILQ_FOREACH(lun, &softc->lun_list, links) { 165 mtx_lock(&lun->lun_lock); 166 TAILQ_FOREACH_SAFE(list, &lun->tpc_lists, links, tlist) { 167 if (!list->completed || time_uptime < list->last_active + 168 TPC_DFL_TOKEN_TIMEOUT) 169 continue; 170 TAILQ_REMOVE(&lun->tpc_lists, list, links); 171 free(list, M_CTL); 172 } 173 mtx_unlock(&lun->lun_lock); 174 } 175 176 /* Free inactive ROD tokens with expired timeout. */ 177 mtx_lock(&softc->tpc_lock); 178 TAILQ_FOREACH_SAFE(token, &softc->tpc_tokens, links, ttoken) { 179 if (token->active || 180 time_uptime < token->last_active + token->timeout + 1) 181 continue; 182 TAILQ_REMOVE(&softc->tpc_tokens, token, links); 183 free(token->params, M_CTL); 184 free(token, M_CTL); 185 } 186 mtx_unlock(&softc->tpc_lock); 187 callout_schedule_sbt(&softc->tpc_timeout, SBT_1S, SBT_1S, 0); 188 } 189 190 void 191 ctl_tpc_init(struct ctl_softc *softc) 192 { 193 194 mtx_init(&softc->tpc_lock, "CTL TPC mutex", NULL, MTX_DEF); 195 TAILQ_INIT(&softc->tpc_tokens); 196 callout_init_mtx(&softc->tpc_timeout, &softc->ctl_lock, 0); 197 callout_reset_sbt(&softc->tpc_timeout, SBT_1S, SBT_1S, 198 tpc_timeout, softc, 0); 199 } 200 201 void 202 ctl_tpc_shutdown(struct ctl_softc *softc) 203 { 204 struct tpc_token *token; 205 206 callout_drain(&softc->tpc_timeout); 207 208 /* Free ROD tokens. */ 209 mtx_lock(&softc->tpc_lock); 210 while ((token = TAILQ_FIRST(&softc->tpc_tokens)) != NULL) { 211 TAILQ_REMOVE(&softc->tpc_tokens, token, links); 212 free(token->params, M_CTL); 213 free(token, M_CTL); 214 } 215 mtx_unlock(&softc->tpc_lock); 216 mtx_destroy(&softc->tpc_lock); 217 } 218 219 void 220 ctl_tpc_lun_init(struct ctl_lun *lun) 221 { 222 223 TAILQ_INIT(&lun->tpc_lists); 224 } 225 226 void 227 ctl_tpc_lun_clear(struct ctl_lun *lun, uint32_t initidx) 228 { 229 struct tpc_list *list, *tlist; 230 231 TAILQ_FOREACH_SAFE(list, &lun->tpc_lists, links, tlist) { 232 if (initidx != -1 && list->init_idx != initidx) 233 continue; 234 if (!list->completed) 235 continue; 236 TAILQ_REMOVE(&lun->tpc_lists, list, links); 237 free(list, M_CTL); 238 } 239 } 240 241 void 242 ctl_tpc_lun_shutdown(struct ctl_lun *lun) 243 { 244 struct ctl_softc *softc = lun->ctl_softc; 245 struct tpc_list *list; 246 struct tpc_token *token, *ttoken; 247 248 /* Free lists for this LUN. */ 249 while ((list = TAILQ_FIRST(&lun->tpc_lists)) != NULL) { 250 TAILQ_REMOVE(&lun->tpc_lists, list, links); 251 KASSERT(list->completed, 252 ("Not completed TPC (%p) on shutdown", list)); 253 free(list, M_CTL); 254 } 255 256 /* Free ROD tokens for this LUN. */ 257 mtx_lock(&softc->tpc_lock); 258 TAILQ_FOREACH_SAFE(token, &softc->tpc_tokens, links, ttoken) { 259 if (token->lun != lun->lun || token->active) 260 continue; 261 TAILQ_REMOVE(&softc->tpc_tokens, token, links); 262 free(token->params, M_CTL); 263 free(token, M_CTL); 264 } 265 mtx_unlock(&softc->tpc_lock); 266 } 267 268 int 269 ctl_inquiry_evpd_tpc(struct ctl_scsiio *ctsio, int alloc_len) 270 { 271 struct ctl_lun *lun = CTL_LUN(ctsio); 272 struct scsi_vpd_tpc *tpc_ptr; 273 struct scsi_vpd_tpc_descriptor *d_ptr; 274 struct scsi_vpd_tpc_descriptor_bdrl *bdrl_ptr; 275 struct scsi_vpd_tpc_descriptor_sc *sc_ptr; 276 struct scsi_vpd_tpc_descriptor_sc_descr *scd_ptr; 277 struct scsi_vpd_tpc_descriptor_pd *pd_ptr; 278 struct scsi_vpd_tpc_descriptor_sd *sd_ptr; 279 struct scsi_vpd_tpc_descriptor_sdid *sdid_ptr; 280 struct scsi_vpd_tpc_descriptor_rtf *rtf_ptr; 281 struct scsi_vpd_tpc_descriptor_rtf_block *rtfb_ptr; 282 struct scsi_vpd_tpc_descriptor_srt *srt_ptr; 283 struct scsi_vpd_tpc_descriptor_srtd *srtd_ptr; 284 struct scsi_vpd_tpc_descriptor_gco *gco_ptr; 285 int data_len; 286 287 data_len = sizeof(struct scsi_vpd_tpc) + 288 sizeof(struct scsi_vpd_tpc_descriptor_bdrl) + 289 roundup2(sizeof(struct scsi_vpd_tpc_descriptor_sc) + 290 2 * sizeof(struct scsi_vpd_tpc_descriptor_sc_descr) + 11, 4) + 291 sizeof(struct scsi_vpd_tpc_descriptor_pd) + 292 roundup2(sizeof(struct scsi_vpd_tpc_descriptor_sd) + 4, 4) + 293 roundup2(sizeof(struct scsi_vpd_tpc_descriptor_sdid) + 2, 4) + 294 sizeof(struct scsi_vpd_tpc_descriptor_rtf) + 295 sizeof(struct scsi_vpd_tpc_descriptor_rtf_block) + 296 sizeof(struct scsi_vpd_tpc_descriptor_srt) + 297 2*sizeof(struct scsi_vpd_tpc_descriptor_srtd) + 298 sizeof(struct scsi_vpd_tpc_descriptor_gco); 299 300 ctsio->kern_data_ptr = malloc(data_len, M_CTL, M_WAITOK | M_ZERO); 301 tpc_ptr = (struct scsi_vpd_tpc *)ctsio->kern_data_ptr; 302 ctsio->kern_rel_offset = 0; 303 ctsio->kern_sg_entries = 0; 304 ctsio->kern_data_len = min(data_len, alloc_len); 305 ctsio->kern_total_len = ctsio->kern_data_len; 306 307 /* 308 * The control device is always connected. The disk device, on the 309 * other hand, may not be online all the time. 310 */ 311 if (lun != NULL) 312 tpc_ptr->device = (SID_QUAL_LU_CONNECTED << 5) | 313 lun->be_lun->lun_type; 314 else 315 tpc_ptr->device = (SID_QUAL_LU_OFFLINE << 5) | T_DIRECT; 316 tpc_ptr->page_code = SVPD_SCSI_TPC; 317 scsi_ulto2b(data_len - 4, tpc_ptr->page_length); 318 319 /* Block Device ROD Limits */ 320 d_ptr = (struct scsi_vpd_tpc_descriptor *)&tpc_ptr->descr[0]; 321 bdrl_ptr = (struct scsi_vpd_tpc_descriptor_bdrl *)d_ptr; 322 scsi_ulto2b(SVPD_TPC_BDRL, bdrl_ptr->desc_type); 323 scsi_ulto2b(sizeof(*bdrl_ptr) - 4, bdrl_ptr->desc_length); 324 scsi_ulto2b(TPC_MAX_SEGS, bdrl_ptr->maximum_ranges); 325 scsi_ulto4b(TPC_MAX_TOKEN_TIMEOUT, 326 bdrl_ptr->maximum_inactivity_timeout); 327 scsi_ulto4b(TPC_DFL_TOKEN_TIMEOUT, 328 bdrl_ptr->default_inactivity_timeout); 329 scsi_u64to8b(0, bdrl_ptr->maximum_token_transfer_size); 330 scsi_u64to8b(0, bdrl_ptr->optimal_transfer_count); 331 332 /* Supported commands */ 333 d_ptr = (struct scsi_vpd_tpc_descriptor *) 334 (&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length)); 335 sc_ptr = (struct scsi_vpd_tpc_descriptor_sc *)d_ptr; 336 scsi_ulto2b(SVPD_TPC_SC, sc_ptr->desc_type); 337 sc_ptr->list_length = 2 * sizeof(*scd_ptr) + 11; 338 scsi_ulto2b(roundup2(1 + sc_ptr->list_length, 4), sc_ptr->desc_length); 339 scd_ptr = &sc_ptr->descr[0]; 340 scd_ptr->opcode = EXTENDED_COPY; 341 scd_ptr->sa_length = 5; 342 scd_ptr->supported_service_actions[0] = EC_EC_LID1; 343 scd_ptr->supported_service_actions[1] = EC_EC_LID4; 344 scd_ptr->supported_service_actions[2] = EC_PT; 345 scd_ptr->supported_service_actions[3] = EC_WUT; 346 scd_ptr->supported_service_actions[4] = EC_COA; 347 scd_ptr = (struct scsi_vpd_tpc_descriptor_sc_descr *) 348 &scd_ptr->supported_service_actions[scd_ptr->sa_length]; 349 scd_ptr->opcode = RECEIVE_COPY_STATUS; 350 scd_ptr->sa_length = 6; 351 scd_ptr->supported_service_actions[0] = RCS_RCS_LID1; 352 scd_ptr->supported_service_actions[1] = RCS_RCFD; 353 scd_ptr->supported_service_actions[2] = RCS_RCS_LID4; 354 scd_ptr->supported_service_actions[3] = RCS_RCOP; 355 scd_ptr->supported_service_actions[4] = RCS_RRTI; 356 scd_ptr->supported_service_actions[5] = RCS_RART; 357 358 /* Parameter data. */ 359 d_ptr = (struct scsi_vpd_tpc_descriptor *) 360 (&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length)); 361 pd_ptr = (struct scsi_vpd_tpc_descriptor_pd *)d_ptr; 362 scsi_ulto2b(SVPD_TPC_PD, pd_ptr->desc_type); 363 scsi_ulto2b(sizeof(*pd_ptr) - 4, pd_ptr->desc_length); 364 scsi_ulto2b(TPC_MAX_CSCDS, pd_ptr->maximum_cscd_descriptor_count); 365 scsi_ulto2b(TPC_MAX_SEGS, pd_ptr->maximum_segment_descriptor_count); 366 scsi_ulto4b(TPC_MAX_LIST, pd_ptr->maximum_descriptor_list_length); 367 scsi_ulto4b(TPC_MAX_INLINE, pd_ptr->maximum_inline_data_length); 368 369 /* Supported Descriptors */ 370 d_ptr = (struct scsi_vpd_tpc_descriptor *) 371 (&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length)); 372 sd_ptr = (struct scsi_vpd_tpc_descriptor_sd *)d_ptr; 373 scsi_ulto2b(SVPD_TPC_SD, sd_ptr->desc_type); 374 scsi_ulto2b(roundup2(sizeof(*sd_ptr) - 4 + 4, 4), sd_ptr->desc_length); 375 sd_ptr->list_length = 4; 376 sd_ptr->supported_descriptor_codes[0] = EC_SEG_B2B; 377 sd_ptr->supported_descriptor_codes[1] = EC_SEG_VERIFY; 378 sd_ptr->supported_descriptor_codes[2] = EC_SEG_REGISTER_KEY; 379 sd_ptr->supported_descriptor_codes[3] = EC_CSCD_ID; 380 381 /* Supported CSCD Descriptor IDs */ 382 d_ptr = (struct scsi_vpd_tpc_descriptor *) 383 (&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length)); 384 sdid_ptr = (struct scsi_vpd_tpc_descriptor_sdid *)d_ptr; 385 scsi_ulto2b(SVPD_TPC_SDID, sdid_ptr->desc_type); 386 scsi_ulto2b(roundup2(sizeof(*sdid_ptr) - 4 + 2, 4), sdid_ptr->desc_length); 387 scsi_ulto2b(2, sdid_ptr->list_length); 388 scsi_ulto2b(0xffff, &sdid_ptr->supported_descriptor_ids[0]); 389 390 /* ROD Token Features */ 391 d_ptr = (struct scsi_vpd_tpc_descriptor *) 392 (&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length)); 393 rtf_ptr = (struct scsi_vpd_tpc_descriptor_rtf *)d_ptr; 394 scsi_ulto2b(SVPD_TPC_RTF, rtf_ptr->desc_type); 395 scsi_ulto2b(sizeof(*rtf_ptr) - 4 + sizeof(*rtfb_ptr), rtf_ptr->desc_length); 396 rtf_ptr->remote_tokens = 0; 397 scsi_ulto4b(TPC_MIN_TOKEN_TIMEOUT, rtf_ptr->minimum_token_lifetime); 398 scsi_ulto4b(UINT32_MAX, rtf_ptr->maximum_token_lifetime); 399 scsi_ulto4b(TPC_MAX_TOKEN_TIMEOUT, 400 rtf_ptr->maximum_token_inactivity_timeout); 401 scsi_ulto2b(sizeof(*rtfb_ptr), rtf_ptr->type_specific_features_length); 402 rtfb_ptr = (struct scsi_vpd_tpc_descriptor_rtf_block *) 403 &rtf_ptr->type_specific_features; 404 rtfb_ptr->type_format = SVPD_TPC_RTF_BLOCK; 405 scsi_ulto2b(sizeof(*rtfb_ptr) - 4, rtfb_ptr->desc_length); 406 scsi_ulto2b(0, rtfb_ptr->optimal_length_granularity); 407 scsi_u64to8b(0, rtfb_ptr->maximum_bytes); 408 scsi_u64to8b(0, rtfb_ptr->optimal_bytes); 409 scsi_u64to8b(UINT64_MAX, rtfb_ptr->optimal_bytes_to_token_per_segment); 410 scsi_u64to8b(TPC_MAX_IOCHUNK_SIZE, 411 rtfb_ptr->optimal_bytes_from_token_per_segment); 412 413 /* Supported ROD Tokens */ 414 d_ptr = (struct scsi_vpd_tpc_descriptor *) 415 (&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length)); 416 srt_ptr = (struct scsi_vpd_tpc_descriptor_srt *)d_ptr; 417 scsi_ulto2b(SVPD_TPC_SRT, srt_ptr->desc_type); 418 scsi_ulto2b(sizeof(*srt_ptr) - 4 + 2*sizeof(*srtd_ptr), srt_ptr->desc_length); 419 scsi_ulto2b(2*sizeof(*srtd_ptr), srt_ptr->rod_type_descriptors_length); 420 srtd_ptr = (struct scsi_vpd_tpc_descriptor_srtd *) 421 &srt_ptr->rod_type_descriptors; 422 scsi_ulto4b(ROD_TYPE_AUR, srtd_ptr->rod_type); 423 srtd_ptr->flags = SVPD_TPC_SRTD_TIN | SVPD_TPC_SRTD_TOUT; 424 scsi_ulto2b(0, srtd_ptr->preference_indicator); 425 srtd_ptr++; 426 scsi_ulto4b(ROD_TYPE_BLOCK_ZERO, srtd_ptr->rod_type); 427 srtd_ptr->flags = SVPD_TPC_SRTD_TIN; 428 scsi_ulto2b(0, srtd_ptr->preference_indicator); 429 430 /* General Copy Operations */ 431 d_ptr = (struct scsi_vpd_tpc_descriptor *) 432 (&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length)); 433 gco_ptr = (struct scsi_vpd_tpc_descriptor_gco *)d_ptr; 434 scsi_ulto2b(SVPD_TPC_GCO, gco_ptr->desc_type); 435 scsi_ulto2b(sizeof(*gco_ptr) - 4, gco_ptr->desc_length); 436 scsi_ulto4b(TPC_MAX_LISTS, gco_ptr->total_concurrent_copies); 437 scsi_ulto4b(TPC_MAX_LISTS, gco_ptr->maximum_identified_concurrent_copies); 438 scsi_ulto4b(TPC_MAX_SEG, gco_ptr->maximum_segment_length); 439 gco_ptr->data_segment_granularity = 0; 440 gco_ptr->inline_data_granularity = 0; 441 442 ctl_set_success(ctsio); 443 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED; 444 ctsio->be_move_done = ctl_config_move_done; 445 ctl_datamove((union ctl_io *)ctsio); 446 447 return (CTL_RETVAL_COMPLETE); 448 } 449 450 int 451 ctl_receive_copy_operating_parameters(struct ctl_scsiio *ctsio) 452 { 453 struct scsi_receive_copy_operating_parameters *cdb; 454 struct scsi_receive_copy_operating_parameters_data *data; 455 int retval; 456 int alloc_len, total_len; 457 458 CTL_DEBUG_PRINT(("ctl_report_supported_tmf\n")); 459 460 cdb = (struct scsi_receive_copy_operating_parameters *)ctsio->cdb; 461 462 retval = CTL_RETVAL_COMPLETE; 463 464 total_len = sizeof(*data) + 4; 465 alloc_len = scsi_4btoul(cdb->length); 466 467 ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO); 468 ctsio->kern_sg_entries = 0; 469 ctsio->kern_rel_offset = 0; 470 ctsio->kern_data_len = min(total_len, alloc_len); 471 ctsio->kern_total_len = ctsio->kern_data_len; 472 473 data = (struct scsi_receive_copy_operating_parameters_data *)ctsio->kern_data_ptr; 474 scsi_ulto4b(sizeof(*data) - 4 + 4, data->length); 475 data->snlid = RCOP_SNLID; 476 scsi_ulto2b(TPC_MAX_CSCDS, data->maximum_cscd_descriptor_count); 477 scsi_ulto2b(TPC_MAX_SEGS, data->maximum_segment_descriptor_count); 478 scsi_ulto4b(TPC_MAX_LIST, data->maximum_descriptor_list_length); 479 scsi_ulto4b(TPC_MAX_SEG, data->maximum_segment_length); 480 scsi_ulto4b(TPC_MAX_INLINE, data->maximum_inline_data_length); 481 scsi_ulto4b(0, data->held_data_limit); 482 scsi_ulto4b(0, data->maximum_stream_device_transfer_size); 483 scsi_ulto2b(TPC_MAX_LISTS, data->total_concurrent_copies); 484 data->maximum_concurrent_copies = TPC_MAX_LISTS; 485 data->data_segment_granularity = 0; 486 data->inline_data_granularity = 0; 487 data->held_data_granularity = 0; 488 data->implemented_descriptor_list_length = 4; 489 data->list_of_implemented_descriptor_type_codes[0] = EC_SEG_B2B; 490 data->list_of_implemented_descriptor_type_codes[1] = EC_SEG_VERIFY; 491 data->list_of_implemented_descriptor_type_codes[2] = EC_SEG_REGISTER_KEY; 492 data->list_of_implemented_descriptor_type_codes[3] = EC_CSCD_ID; 493 494 ctl_set_success(ctsio); 495 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED; 496 ctsio->be_move_done = ctl_config_move_done; 497 ctl_datamove((union ctl_io *)ctsio); 498 return (retval); 499 } 500 501 static struct tpc_list * 502 tpc_find_list(struct ctl_lun *lun, uint32_t list_id, uint32_t init_idx) 503 { 504 struct tpc_list *list; 505 506 mtx_assert(&lun->lun_lock, MA_OWNED); 507 TAILQ_FOREACH(list, &lun->tpc_lists, links) { 508 if ((list->flags & EC_LIST_ID_USAGE_MASK) != 509 EC_LIST_ID_USAGE_NONE && list->list_id == list_id && 510 list->init_idx == init_idx) 511 break; 512 } 513 return (list); 514 } 515 516 int 517 ctl_receive_copy_status_lid1(struct ctl_scsiio *ctsio) 518 { 519 struct ctl_lun *lun = CTL_LUN(ctsio); 520 struct scsi_receive_copy_status_lid1 *cdb; 521 struct scsi_receive_copy_status_lid1_data *data; 522 struct tpc_list *list; 523 struct tpc_list list_copy; 524 int retval; 525 int alloc_len, total_len; 526 uint32_t list_id; 527 528 CTL_DEBUG_PRINT(("ctl_receive_copy_status_lid1\n")); 529 530 cdb = (struct scsi_receive_copy_status_lid1 *)ctsio->cdb; 531 retval = CTL_RETVAL_COMPLETE; 532 533 list_id = cdb->list_identifier; 534 mtx_lock(&lun->lun_lock); 535 list = tpc_find_list(lun, list_id, 536 ctl_get_initindex(&ctsio->io_hdr.nexus)); 537 if (list == NULL) { 538 mtx_unlock(&lun->lun_lock); 539 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, 540 /*command*/ 1, /*field*/ 2, /*bit_valid*/ 0, 541 /*bit*/ 0); 542 ctl_done((union ctl_io *)ctsio); 543 return (retval); 544 } 545 list_copy = *list; 546 if (list->completed) { 547 TAILQ_REMOVE(&lun->tpc_lists, list, links); 548 free(list, M_CTL); 549 } 550 mtx_unlock(&lun->lun_lock); 551 552 total_len = sizeof(*data); 553 alloc_len = scsi_4btoul(cdb->length); 554 555 ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO); 556 ctsio->kern_sg_entries = 0; 557 ctsio->kern_rel_offset = 0; 558 ctsio->kern_data_len = min(total_len, alloc_len); 559 ctsio->kern_total_len = ctsio->kern_data_len; 560 561 data = (struct scsi_receive_copy_status_lid1_data *)ctsio->kern_data_ptr; 562 scsi_ulto4b(sizeof(*data) - 4, data->available_data); 563 if (list_copy.completed) { 564 if (list_copy.error || list_copy.abort) 565 data->copy_command_status = RCS_CCS_ERROR; 566 else 567 data->copy_command_status = RCS_CCS_COMPLETED; 568 } else 569 data->copy_command_status = RCS_CCS_INPROG; 570 scsi_ulto2b(list_copy.curseg, data->segments_processed); 571 if (list_copy.curbytes <= UINT32_MAX) { 572 data->transfer_count_units = RCS_TC_BYTES; 573 scsi_ulto4b(list_copy.curbytes, data->transfer_count); 574 } else { 575 data->transfer_count_units = RCS_TC_MBYTES; 576 scsi_ulto4b(list_copy.curbytes >> 20, data->transfer_count); 577 } 578 579 ctl_set_success(ctsio); 580 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED; 581 ctsio->be_move_done = ctl_config_move_done; 582 ctl_datamove((union ctl_io *)ctsio); 583 return (retval); 584 } 585 586 int 587 ctl_receive_copy_failure_details(struct ctl_scsiio *ctsio) 588 { 589 struct ctl_lun *lun = CTL_LUN(ctsio); 590 struct scsi_receive_copy_failure_details *cdb; 591 struct scsi_receive_copy_failure_details_data *data; 592 struct tpc_list *list; 593 struct tpc_list list_copy; 594 int retval; 595 int alloc_len, total_len; 596 uint32_t list_id; 597 598 CTL_DEBUG_PRINT(("ctl_receive_copy_failure_details\n")); 599 600 cdb = (struct scsi_receive_copy_failure_details *)ctsio->cdb; 601 retval = CTL_RETVAL_COMPLETE; 602 603 list_id = cdb->list_identifier; 604 mtx_lock(&lun->lun_lock); 605 list = tpc_find_list(lun, list_id, 606 ctl_get_initindex(&ctsio->io_hdr.nexus)); 607 if (list == NULL || !list->completed) { 608 mtx_unlock(&lun->lun_lock); 609 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, 610 /*command*/ 1, /*field*/ 2, /*bit_valid*/ 0, 611 /*bit*/ 0); 612 ctl_done((union ctl_io *)ctsio); 613 return (retval); 614 } 615 list_copy = *list; 616 TAILQ_REMOVE(&lun->tpc_lists, list, links); 617 free(list, M_CTL); 618 mtx_unlock(&lun->lun_lock); 619 620 total_len = sizeof(*data) + list_copy.sense_len; 621 alloc_len = scsi_4btoul(cdb->length); 622 623 ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO); 624 ctsio->kern_sg_entries = 0; 625 ctsio->kern_rel_offset = 0; 626 ctsio->kern_data_len = min(total_len, alloc_len); 627 ctsio->kern_total_len = ctsio->kern_data_len; 628 629 data = (struct scsi_receive_copy_failure_details_data *)ctsio->kern_data_ptr; 630 if (list_copy.completed && (list_copy.error || list_copy.abort)) { 631 scsi_ulto4b(sizeof(*data) - 4 + list_copy.sense_len, 632 data->available_data); 633 data->copy_command_status = RCS_CCS_ERROR; 634 } else 635 scsi_ulto4b(0, data->available_data); 636 scsi_ulto2b(list_copy.sense_len, data->sense_data_length); 637 memcpy(data->sense_data, &list_copy.sense_data, list_copy.sense_len); 638 639 ctl_set_success(ctsio); 640 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED; 641 ctsio->be_move_done = ctl_config_move_done; 642 ctl_datamove((union ctl_io *)ctsio); 643 return (retval); 644 } 645 646 int 647 ctl_receive_copy_status_lid4(struct ctl_scsiio *ctsio) 648 { 649 struct ctl_lun *lun = CTL_LUN(ctsio); 650 struct scsi_receive_copy_status_lid4 *cdb; 651 struct scsi_receive_copy_status_lid4_data *data; 652 struct tpc_list *list; 653 struct tpc_list list_copy; 654 int retval; 655 int alloc_len, total_len; 656 uint32_t list_id; 657 658 CTL_DEBUG_PRINT(("ctl_receive_copy_status_lid4\n")); 659 660 cdb = (struct scsi_receive_copy_status_lid4 *)ctsio->cdb; 661 retval = CTL_RETVAL_COMPLETE; 662 663 list_id = scsi_4btoul(cdb->list_identifier); 664 mtx_lock(&lun->lun_lock); 665 list = tpc_find_list(lun, list_id, 666 ctl_get_initindex(&ctsio->io_hdr.nexus)); 667 if (list == NULL) { 668 mtx_unlock(&lun->lun_lock); 669 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, 670 /*command*/ 1, /*field*/ 2, /*bit_valid*/ 0, 671 /*bit*/ 0); 672 ctl_done((union ctl_io *)ctsio); 673 return (retval); 674 } 675 list_copy = *list; 676 if (list->completed) { 677 TAILQ_REMOVE(&lun->tpc_lists, list, links); 678 free(list, M_CTL); 679 } 680 mtx_unlock(&lun->lun_lock); 681 682 total_len = sizeof(*data) + list_copy.sense_len; 683 alloc_len = scsi_4btoul(cdb->length); 684 685 ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO); 686 ctsio->kern_sg_entries = 0; 687 ctsio->kern_rel_offset = 0; 688 ctsio->kern_data_len = min(total_len, alloc_len); 689 ctsio->kern_total_len = ctsio->kern_data_len; 690 691 data = (struct scsi_receive_copy_status_lid4_data *)ctsio->kern_data_ptr; 692 scsi_ulto4b(sizeof(*data) - 4 + list_copy.sense_len, 693 data->available_data); 694 data->response_to_service_action = list_copy.service_action; 695 if (list_copy.completed) { 696 if (list_copy.error) 697 data->copy_command_status = RCS_CCS_ERROR; 698 else if (list_copy.abort) 699 data->copy_command_status = RCS_CCS_ABORTED; 700 else 701 data->copy_command_status = RCS_CCS_COMPLETED; 702 } else 703 data->copy_command_status = RCS_CCS_INPROG_FG; 704 scsi_ulto2b(list_copy.curops, data->operation_counter); 705 scsi_ulto4b(UINT32_MAX, data->estimated_status_update_delay); 706 data->transfer_count_units = RCS_TC_BYTES; 707 scsi_u64to8b(list_copy.curbytes, data->transfer_count); 708 scsi_ulto2b(list_copy.curseg, data->segments_processed); 709 data->length_of_the_sense_data_field = list_copy.sense_len; 710 data->sense_data_length = list_copy.sense_len; 711 memcpy(data->sense_data, &list_copy.sense_data, list_copy.sense_len); 712 713 ctl_set_success(ctsio); 714 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED; 715 ctsio->be_move_done = ctl_config_move_done; 716 ctl_datamove((union ctl_io *)ctsio); 717 return (retval); 718 } 719 720 int 721 ctl_copy_operation_abort(struct ctl_scsiio *ctsio) 722 { 723 struct ctl_lun *lun = CTL_LUN(ctsio); 724 struct scsi_copy_operation_abort *cdb; 725 struct tpc_list *list; 726 int retval; 727 uint32_t list_id; 728 729 CTL_DEBUG_PRINT(("ctl_copy_operation_abort\n")); 730 731 cdb = (struct scsi_copy_operation_abort *)ctsio->cdb; 732 retval = CTL_RETVAL_COMPLETE; 733 734 list_id = scsi_4btoul(cdb->list_identifier); 735 mtx_lock(&lun->lun_lock); 736 list = tpc_find_list(lun, list_id, 737 ctl_get_initindex(&ctsio->io_hdr.nexus)); 738 if (list == NULL) { 739 mtx_unlock(&lun->lun_lock); 740 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, 741 /*command*/ 1, /*field*/ 2, /*bit_valid*/ 0, 742 /*bit*/ 0); 743 ctl_done((union ctl_io *)ctsio); 744 return (retval); 745 } 746 list->abort = 1; 747 mtx_unlock(&lun->lun_lock); 748 749 ctl_set_success(ctsio); 750 ctl_done((union ctl_io *)ctsio); 751 return (retval); 752 } 753 754 static uint64_t 755 tpc_resolve(struct tpc_list *list, uint16_t idx, uint32_t *ss, 756 uint32_t *pb, uint32_t *pbo) 757 { 758 759 if (idx == 0xffff) { 760 if (ss) 761 *ss = list->lun->be_lun->blocksize; 762 if (pb) 763 *pb = list->lun->be_lun->blocksize << 764 list->lun->be_lun->pblockexp; 765 if (pbo) 766 *pbo = list->lun->be_lun->blocksize * 767 list->lun->be_lun->pblockoff; 768 return (list->lun->lun); 769 } 770 if (idx >= list->ncscd) 771 return (UINT64_MAX); 772 return (tpcl_resolve(list->lun->ctl_softc, 773 list->init_port, &list->cscd[idx], ss, pb, pbo)); 774 } 775 776 static void 777 tpc_set_io_error_sense(struct tpc_list *list) 778 { 779 int flen; 780 uint8_t csi[4]; 781 uint8_t sks[3]; 782 uint8_t fbuf[4 + 64]; 783 784 scsi_ulto4b(list->curseg, csi); 785 if (list->fwd_cscd <= 0x07ff) { 786 sks[0] = SSD_SKS_SEGMENT_VALID; 787 scsi_ulto2b((uint8_t *)&list->cscd[list->fwd_cscd] - 788 list->params, &sks[1]); 789 } else 790 sks[0] = 0; 791 if (list->fwd_scsi_status) { 792 fbuf[0] = 0x0c; 793 fbuf[2] = list->fwd_target; 794 flen = list->fwd_sense_len; 795 if (flen > 64) { 796 flen = 64; 797 fbuf[2] |= SSD_FORWARDED_FSDT; 798 } 799 fbuf[1] = 2 + flen; 800 fbuf[3] = list->fwd_scsi_status; 801 bcopy(&list->fwd_sense_data, &fbuf[4], flen); 802 flen += 4; 803 } else 804 flen = 0; 805 ctl_set_sense(list->ctsio, /*current_error*/ 1, 806 /*sense_key*/ SSD_KEY_COPY_ABORTED, 807 /*asc*/ 0x0d, /*ascq*/ 0x01, 808 SSD_ELEM_COMMAND, sizeof(csi), csi, 809 sks[0] ? SSD_ELEM_SKS : SSD_ELEM_SKIP, sizeof(sks), sks, 810 flen ? SSD_ELEM_DESC : SSD_ELEM_SKIP, flen, fbuf, 811 SSD_ELEM_NONE); 812 } 813 814 static int 815 tpc_process_b2b(struct tpc_list *list) 816 { 817 struct scsi_ec_segment_b2b *seg; 818 struct scsi_ec_cscd_dtsp *sdstp, *ddstp; 819 struct tpc_io *tior, *tiow; 820 struct runl run; 821 uint64_t sl, dl; 822 off_t srclba, dstlba, numbytes, donebytes, roundbytes; 823 int numlba; 824 uint32_t srcblock, dstblock, pb, pbo, adj; 825 uint16_t scscd, dcscd; 826 uint8_t csi[4]; 827 828 scsi_ulto4b(list->curseg, csi); 829 if (list->stage == 1) { 830 while ((tior = TAILQ_FIRST(&list->allio)) != NULL) { 831 TAILQ_REMOVE(&list->allio, tior, links); 832 ctl_free_io(tior->io); 833 free(tior->buf, M_CTL); 834 free(tior, M_CTL); 835 } 836 if (list->abort) { 837 ctl_set_task_aborted(list->ctsio); 838 return (CTL_RETVAL_ERROR); 839 } else if (list->error) { 840 tpc_set_io_error_sense(list); 841 return (CTL_RETVAL_ERROR); 842 } 843 list->cursectors += list->segsectors; 844 list->curbytes += list->segbytes; 845 return (CTL_RETVAL_COMPLETE); 846 } 847 848 TAILQ_INIT(&list->allio); 849 seg = (struct scsi_ec_segment_b2b *)list->seg[list->curseg]; 850 scscd = scsi_2btoul(seg->src_cscd); 851 dcscd = scsi_2btoul(seg->dst_cscd); 852 sl = tpc_resolve(list, scscd, &srcblock, NULL, NULL); 853 dl = tpc_resolve(list, dcscd, &dstblock, &pb, &pbo); 854 if (sl == UINT64_MAX || dl == UINT64_MAX) { 855 ctl_set_sense(list->ctsio, /*current_error*/ 1, 856 /*sense_key*/ SSD_KEY_COPY_ABORTED, 857 /*asc*/ 0x08, /*ascq*/ 0x04, 858 SSD_ELEM_COMMAND, sizeof(csi), csi, 859 SSD_ELEM_NONE); 860 return (CTL_RETVAL_ERROR); 861 } 862 if (pbo > 0) 863 pbo = pb - pbo; 864 sdstp = &list->cscd[scscd].dtsp; 865 if (scsi_3btoul(sdstp->block_length) != 0) 866 srcblock = scsi_3btoul(sdstp->block_length); 867 ddstp = &list->cscd[dcscd].dtsp; 868 if (scsi_3btoul(ddstp->block_length) != 0) 869 dstblock = scsi_3btoul(ddstp->block_length); 870 numlba = scsi_2btoul(seg->number_of_blocks); 871 if (seg->flags & EC_SEG_DC) 872 numbytes = (off_t)numlba * dstblock; 873 else 874 numbytes = (off_t)numlba * srcblock; 875 srclba = scsi_8btou64(seg->src_lba); 876 dstlba = scsi_8btou64(seg->dst_lba); 877 878 // printf("Copy %ju bytes from %ju @ %ju to %ju @ %ju\n", 879 // (uintmax_t)numbytes, sl, scsi_8btou64(seg->src_lba), 880 // dl, scsi_8btou64(seg->dst_lba)); 881 882 if (numbytes == 0) 883 return (CTL_RETVAL_COMPLETE); 884 885 if (numbytes % srcblock != 0 || numbytes % dstblock != 0) { 886 ctl_set_sense(list->ctsio, /*current_error*/ 1, 887 /*sense_key*/ SSD_KEY_COPY_ABORTED, 888 /*asc*/ 0x26, /*ascq*/ 0x0A, 889 SSD_ELEM_COMMAND, sizeof(csi), csi, 890 SSD_ELEM_NONE); 891 return (CTL_RETVAL_ERROR); 892 } 893 894 list->segbytes = numbytes; 895 list->segsectors = numbytes / dstblock; 896 donebytes = 0; 897 TAILQ_INIT(&run); 898 list->tbdio = 0; 899 while (donebytes < numbytes) { 900 roundbytes = numbytes - donebytes; 901 if (roundbytes > TPC_MAX_IO_SIZE) { 902 roundbytes = TPC_MAX_IO_SIZE; 903 roundbytes -= roundbytes % dstblock; 904 if (pb > dstblock) { 905 adj = (dstlba * dstblock + roundbytes - pbo) % pb; 906 if (roundbytes > adj) 907 roundbytes -= adj; 908 } 909 } 910 911 tior = malloc(sizeof(*tior), M_CTL, M_WAITOK | M_ZERO); 912 TAILQ_INIT(&tior->run); 913 tior->buf = malloc(roundbytes, M_CTL, M_WAITOK); 914 tior->list = list; 915 TAILQ_INSERT_TAIL(&list->allio, tior, links); 916 tior->io = tpcl_alloc_io(); 917 ctl_scsi_read_write(tior->io, 918 /*data_ptr*/ tior->buf, 919 /*data_len*/ roundbytes, 920 /*read_op*/ 1, 921 /*byte2*/ 0, 922 /*minimum_cdb_size*/ 0, 923 /*lba*/ srclba, 924 /*num_blocks*/ roundbytes / srcblock, 925 /*tag_type*/ CTL_TAG_SIMPLE, 926 /*control*/ 0); 927 tior->io->io_hdr.retries = 3; 928 tior->target = SSD_FORWARDED_SDS_EXSRC; 929 tior->cscd = scscd; 930 tior->lun = sl; 931 tior->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tior; 932 933 tiow = malloc(sizeof(*tior), M_CTL, M_WAITOK | M_ZERO); 934 TAILQ_INIT(&tiow->run); 935 tiow->list = list; 936 TAILQ_INSERT_TAIL(&list->allio, tiow, links); 937 tiow->io = tpcl_alloc_io(); 938 ctl_scsi_read_write(tiow->io, 939 /*data_ptr*/ tior->buf, 940 /*data_len*/ roundbytes, 941 /*read_op*/ 0, 942 /*byte2*/ 0, 943 /*minimum_cdb_size*/ 0, 944 /*lba*/ dstlba, 945 /*num_blocks*/ roundbytes / dstblock, 946 /*tag_type*/ CTL_TAG_SIMPLE, 947 /*control*/ 0); 948 tiow->io->io_hdr.retries = 3; 949 tiow->target = SSD_FORWARDED_SDS_EXDST; 950 tiow->cscd = dcscd; 951 tiow->lun = dl; 952 tiow->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tiow; 953 954 TAILQ_INSERT_TAIL(&tior->run, tiow, rlinks); 955 TAILQ_INSERT_TAIL(&run, tior, rlinks); 956 list->tbdio++; 957 donebytes += roundbytes; 958 srclba += roundbytes / srcblock; 959 dstlba += roundbytes / dstblock; 960 } 961 962 while ((tior = TAILQ_FIRST(&run)) != NULL) { 963 TAILQ_REMOVE(&run, tior, rlinks); 964 if (tpcl_queue(tior->io, tior->lun) != CTL_RETVAL_COMPLETE) 965 panic("tpcl_queue() error"); 966 } 967 968 list->stage++; 969 return (CTL_RETVAL_QUEUED); 970 } 971 972 static int 973 tpc_process_verify(struct tpc_list *list) 974 { 975 struct scsi_ec_segment_verify *seg; 976 struct tpc_io *tio; 977 uint64_t sl; 978 uint16_t cscd; 979 uint8_t csi[4]; 980 981 scsi_ulto4b(list->curseg, csi); 982 if (list->stage == 1) { 983 while ((tio = TAILQ_FIRST(&list->allio)) != NULL) { 984 TAILQ_REMOVE(&list->allio, tio, links); 985 ctl_free_io(tio->io); 986 free(tio, M_CTL); 987 } 988 if (list->abort) { 989 ctl_set_task_aborted(list->ctsio); 990 return (CTL_RETVAL_ERROR); 991 } else if (list->error) { 992 tpc_set_io_error_sense(list); 993 return (CTL_RETVAL_ERROR); 994 } else 995 return (CTL_RETVAL_COMPLETE); 996 } 997 998 TAILQ_INIT(&list->allio); 999 seg = (struct scsi_ec_segment_verify *)list->seg[list->curseg]; 1000 cscd = scsi_2btoul(seg->src_cscd); 1001 sl = tpc_resolve(list, cscd, NULL, NULL, NULL); 1002 if (sl == UINT64_MAX) { 1003 ctl_set_sense(list->ctsio, /*current_error*/ 1, 1004 /*sense_key*/ SSD_KEY_COPY_ABORTED, 1005 /*asc*/ 0x08, /*ascq*/ 0x04, 1006 SSD_ELEM_COMMAND, sizeof(csi), csi, 1007 SSD_ELEM_NONE); 1008 return (CTL_RETVAL_ERROR); 1009 } 1010 1011 // printf("Verify %ju\n", sl); 1012 1013 if ((seg->tur & 0x01) == 0) 1014 return (CTL_RETVAL_COMPLETE); 1015 1016 list->tbdio = 1; 1017 tio = malloc(sizeof(*tio), M_CTL, M_WAITOK | M_ZERO); 1018 TAILQ_INIT(&tio->run); 1019 tio->list = list; 1020 TAILQ_INSERT_TAIL(&list->allio, tio, links); 1021 tio->io = tpcl_alloc_io(); 1022 ctl_scsi_tur(tio->io, /*tag_type*/ CTL_TAG_SIMPLE, /*control*/ 0); 1023 tio->io->io_hdr.retries = 3; 1024 tio->target = SSD_FORWARDED_SDS_EXSRC; 1025 tio->cscd = cscd; 1026 tio->lun = sl; 1027 tio->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tio; 1028 list->stage++; 1029 if (tpcl_queue(tio->io, tio->lun) != CTL_RETVAL_COMPLETE) 1030 panic("tpcl_queue() error"); 1031 return (CTL_RETVAL_QUEUED); 1032 } 1033 1034 static int 1035 tpc_process_register_key(struct tpc_list *list) 1036 { 1037 struct scsi_ec_segment_register_key *seg; 1038 struct tpc_io *tio; 1039 uint64_t dl; 1040 int datalen; 1041 uint16_t cscd; 1042 uint8_t csi[4]; 1043 1044 scsi_ulto4b(list->curseg, csi); 1045 if (list->stage == 1) { 1046 while ((tio = TAILQ_FIRST(&list->allio)) != NULL) { 1047 TAILQ_REMOVE(&list->allio, tio, links); 1048 ctl_free_io(tio->io); 1049 free(tio->buf, M_CTL); 1050 free(tio, M_CTL); 1051 } 1052 if (list->abort) { 1053 ctl_set_task_aborted(list->ctsio); 1054 return (CTL_RETVAL_ERROR); 1055 } else if (list->error) { 1056 tpc_set_io_error_sense(list); 1057 return (CTL_RETVAL_ERROR); 1058 } else 1059 return (CTL_RETVAL_COMPLETE); 1060 } 1061 1062 TAILQ_INIT(&list->allio); 1063 seg = (struct scsi_ec_segment_register_key *)list->seg[list->curseg]; 1064 cscd = scsi_2btoul(seg->dst_cscd); 1065 dl = tpc_resolve(list, cscd, NULL, NULL, NULL); 1066 if (dl == UINT64_MAX) { 1067 ctl_set_sense(list->ctsio, /*current_error*/ 1, 1068 /*sense_key*/ SSD_KEY_COPY_ABORTED, 1069 /*asc*/ 0x08, /*ascq*/ 0x04, 1070 SSD_ELEM_COMMAND, sizeof(csi), csi, 1071 SSD_ELEM_NONE); 1072 return (CTL_RETVAL_ERROR); 1073 } 1074 1075 // printf("Register Key %ju\n", dl); 1076 1077 list->tbdio = 1; 1078 tio = malloc(sizeof(*tio), M_CTL, M_WAITOK | M_ZERO); 1079 TAILQ_INIT(&tio->run); 1080 tio->list = list; 1081 TAILQ_INSERT_TAIL(&list->allio, tio, links); 1082 tio->io = tpcl_alloc_io(); 1083 datalen = sizeof(struct scsi_per_res_out_parms); 1084 tio->buf = malloc(datalen, M_CTL, M_WAITOK); 1085 ctl_scsi_persistent_res_out(tio->io, 1086 tio->buf, datalen, SPRO_REGISTER, -1, 1087 scsi_8btou64(seg->res_key), scsi_8btou64(seg->sa_res_key), 1088 /*tag_type*/ CTL_TAG_SIMPLE, /*control*/ 0); 1089 tio->io->io_hdr.retries = 3; 1090 tio->target = SSD_FORWARDED_SDS_EXDST; 1091 tio->cscd = cscd; 1092 tio->lun = dl; 1093 tio->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tio; 1094 list->stage++; 1095 if (tpcl_queue(tio->io, tio->lun) != CTL_RETVAL_COMPLETE) 1096 panic("tpcl_queue() error"); 1097 return (CTL_RETVAL_QUEUED); 1098 } 1099 1100 static off_t 1101 tpc_ranges_length(struct scsi_range_desc *range, int nrange) 1102 { 1103 off_t length = 0; 1104 int r; 1105 1106 for (r = 0; r < nrange; r++) 1107 length += scsi_4btoul(range[r].length); 1108 return (length); 1109 } 1110 1111 static int 1112 tpc_check_ranges_l(struct scsi_range_desc *range, int nrange, uint64_t maxlba, 1113 uint64_t *lba) 1114 { 1115 uint64_t b1; 1116 uint32_t l1; 1117 int i; 1118 1119 for (i = 0; i < nrange; i++) { 1120 b1 = scsi_8btou64(range[i].lba); 1121 l1 = scsi_4btoul(range[i].length); 1122 if (b1 + l1 < b1 || b1 + l1 > maxlba + 1) { 1123 *lba = MAX(b1, maxlba + 1); 1124 return (-1); 1125 } 1126 } 1127 return (0); 1128 } 1129 1130 static int 1131 tpc_check_ranges_x(struct scsi_range_desc *range, int nrange) 1132 { 1133 uint64_t b1, b2; 1134 uint32_t l1, l2; 1135 int i, j; 1136 1137 for (i = 0; i < nrange - 1; i++) { 1138 b1 = scsi_8btou64(range[i].lba); 1139 l1 = scsi_4btoul(range[i].length); 1140 for (j = i + 1; j < nrange; j++) { 1141 b2 = scsi_8btou64(range[j].lba); 1142 l2 = scsi_4btoul(range[j].length); 1143 if (b1 + l1 > b2 && b2 + l2 > b1) 1144 return (-1); 1145 } 1146 } 1147 return (0); 1148 } 1149 1150 static int 1151 tpc_skip_ranges(struct scsi_range_desc *range, int nrange, off_t skip, 1152 int *srange, off_t *soffset) 1153 { 1154 off_t off; 1155 int r; 1156 1157 r = 0; 1158 off = 0; 1159 while (r < nrange) { 1160 if (skip - off < scsi_4btoul(range[r].length)) { 1161 *srange = r; 1162 *soffset = skip - off; 1163 return (0); 1164 } 1165 off += scsi_4btoul(range[r].length); 1166 r++; 1167 } 1168 return (-1); 1169 } 1170 1171 static int 1172 tpc_process_wut(struct tpc_list *list) 1173 { 1174 struct tpc_io *tio, *tior, *tiow; 1175 struct runl run; 1176 int drange, srange; 1177 off_t doffset, soffset; 1178 off_t srclba, dstlba, numbytes, donebytes, roundbytes; 1179 uint32_t srcblock, dstblock, pb, pbo, adj; 1180 1181 if (list->stage > 0) { 1182 /* Cleanup after previous rounds. */ 1183 while ((tio = TAILQ_FIRST(&list->allio)) != NULL) { 1184 TAILQ_REMOVE(&list->allio, tio, links); 1185 ctl_free_io(tio->io); 1186 free(tio->buf, M_CTL); 1187 free(tio, M_CTL); 1188 } 1189 if (list->abort) { 1190 ctl_set_task_aborted(list->ctsio); 1191 return (CTL_RETVAL_ERROR); 1192 } else if (list->error) { 1193 if (list->fwd_scsi_status) { 1194 list->ctsio->io_hdr.status = 1195 CTL_SCSI_ERROR | CTL_AUTOSENSE; 1196 list->ctsio->scsi_status = list->fwd_scsi_status; 1197 list->ctsio->sense_data = list->fwd_sense_data; 1198 list->ctsio->sense_len = list->fwd_sense_len; 1199 } else { 1200 ctl_set_invalid_field(list->ctsio, 1201 /*sks_valid*/ 0, /*command*/ 0, 1202 /*field*/ 0, /*bit_valid*/ 0, /*bit*/ 0); 1203 } 1204 return (CTL_RETVAL_ERROR); 1205 } 1206 list->cursectors += list->segsectors; 1207 list->curbytes += list->segbytes; 1208 } 1209 1210 /* Check where we are on destination ranges list. */ 1211 if (tpc_skip_ranges(list->range, list->nrange, list->cursectors, 1212 &drange, &doffset) != 0) 1213 return (CTL_RETVAL_COMPLETE); 1214 dstblock = list->lun->be_lun->blocksize; 1215 pb = dstblock << list->lun->be_lun->pblockexp; 1216 if (list->lun->be_lun->pblockoff > 0) 1217 pbo = pb - dstblock * list->lun->be_lun->pblockoff; 1218 else 1219 pbo = 0; 1220 1221 /* Check where we are on source ranges list. */ 1222 srcblock = list->token->blocksize; 1223 if (tpc_skip_ranges(list->token->range, list->token->nrange, 1224 list->offset_into_rod + list->cursectors * dstblock / srcblock, 1225 &srange, &soffset) != 0) { 1226 ctl_set_invalid_field(list->ctsio, /*sks_valid*/ 0, 1227 /*command*/ 0, /*field*/ 0, /*bit_valid*/ 0, /*bit*/ 0); 1228 return (CTL_RETVAL_ERROR); 1229 } 1230 1231 srclba = scsi_8btou64(list->token->range[srange].lba) + soffset; 1232 dstlba = scsi_8btou64(list->range[drange].lba) + doffset; 1233 numbytes = srcblock * 1234 (scsi_4btoul(list->token->range[srange].length) - soffset); 1235 numbytes = omin(numbytes, dstblock * 1236 (scsi_4btoul(list->range[drange].length) - doffset)); 1237 if (numbytes > TPC_MAX_IOCHUNK_SIZE) { 1238 numbytes = TPC_MAX_IOCHUNK_SIZE; 1239 numbytes -= numbytes % dstblock; 1240 if (pb > dstblock) { 1241 adj = (dstlba * dstblock + numbytes - pbo) % pb; 1242 if (numbytes > adj) 1243 numbytes -= adj; 1244 } 1245 } 1246 1247 if (numbytes % srcblock != 0 || numbytes % dstblock != 0) { 1248 ctl_set_invalid_field(list->ctsio, /*sks_valid*/ 0, 1249 /*command*/ 0, /*field*/ 0, /*bit_valid*/ 0, /*bit*/ 0); 1250 return (CTL_RETVAL_ERROR); 1251 } 1252 1253 list->segbytes = numbytes; 1254 list->segsectors = numbytes / dstblock; 1255 //printf("Copy chunk of %ju sectors from %ju to %ju\n", list->segsectors, 1256 // srclba, dstlba); 1257 donebytes = 0; 1258 TAILQ_INIT(&run); 1259 list->tbdio = 0; 1260 TAILQ_INIT(&list->allio); 1261 while (donebytes < numbytes) { 1262 roundbytes = numbytes - donebytes; 1263 if (roundbytes > TPC_MAX_IO_SIZE) { 1264 roundbytes = TPC_MAX_IO_SIZE; 1265 roundbytes -= roundbytes % dstblock; 1266 if (pb > dstblock) { 1267 adj = (dstlba * dstblock + roundbytes - pbo) % pb; 1268 if (roundbytes > adj) 1269 roundbytes -= adj; 1270 } 1271 } 1272 1273 tior = malloc(sizeof(*tior), M_CTL, M_WAITOK | M_ZERO); 1274 TAILQ_INIT(&tior->run); 1275 tior->buf = malloc(roundbytes, M_CTL, M_WAITOK); 1276 tior->list = list; 1277 TAILQ_INSERT_TAIL(&list->allio, tior, links); 1278 tior->io = tpcl_alloc_io(); 1279 ctl_scsi_read_write(tior->io, 1280 /*data_ptr*/ tior->buf, 1281 /*data_len*/ roundbytes, 1282 /*read_op*/ 1, 1283 /*byte2*/ 0, 1284 /*minimum_cdb_size*/ 0, 1285 /*lba*/ srclba, 1286 /*num_blocks*/ roundbytes / srcblock, 1287 /*tag_type*/ CTL_TAG_SIMPLE, 1288 /*control*/ 0); 1289 tior->io->io_hdr.retries = 3; 1290 tior->lun = list->token->lun; 1291 tior->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tior; 1292 1293 tiow = malloc(sizeof(*tiow), M_CTL, M_WAITOK | M_ZERO); 1294 TAILQ_INIT(&tiow->run); 1295 tiow->list = list; 1296 TAILQ_INSERT_TAIL(&list->allio, tiow, links); 1297 tiow->io = tpcl_alloc_io(); 1298 ctl_scsi_read_write(tiow->io, 1299 /*data_ptr*/ tior->buf, 1300 /*data_len*/ roundbytes, 1301 /*read_op*/ 0, 1302 /*byte2*/ 0, 1303 /*minimum_cdb_size*/ 0, 1304 /*lba*/ dstlba, 1305 /*num_blocks*/ roundbytes / dstblock, 1306 /*tag_type*/ CTL_TAG_SIMPLE, 1307 /*control*/ 0); 1308 tiow->io->io_hdr.retries = 3; 1309 tiow->lun = list->lun->lun; 1310 tiow->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tiow; 1311 1312 TAILQ_INSERT_TAIL(&tior->run, tiow, rlinks); 1313 TAILQ_INSERT_TAIL(&run, tior, rlinks); 1314 list->tbdio++; 1315 donebytes += roundbytes; 1316 srclba += roundbytes / srcblock; 1317 dstlba += roundbytes / dstblock; 1318 } 1319 1320 while ((tior = TAILQ_FIRST(&run)) != NULL) { 1321 TAILQ_REMOVE(&run, tior, rlinks); 1322 if (tpcl_queue(tior->io, tior->lun) != CTL_RETVAL_COMPLETE) 1323 panic("tpcl_queue() error"); 1324 } 1325 1326 list->stage++; 1327 return (CTL_RETVAL_QUEUED); 1328 } 1329 1330 static int 1331 tpc_process_zero_wut(struct tpc_list *list) 1332 { 1333 struct tpc_io *tio, *tiow; 1334 struct runl run, *prun; 1335 int r; 1336 uint32_t dstblock, len; 1337 1338 if (list->stage > 0) { 1339 complete: 1340 /* Cleanup after previous rounds. */ 1341 while ((tio = TAILQ_FIRST(&list->allio)) != NULL) { 1342 TAILQ_REMOVE(&list->allio, tio, links); 1343 ctl_free_io(tio->io); 1344 free(tio, M_CTL); 1345 } 1346 if (list->abort) { 1347 ctl_set_task_aborted(list->ctsio); 1348 return (CTL_RETVAL_ERROR); 1349 } else if (list->error) { 1350 if (list->fwd_scsi_status) { 1351 list->ctsio->io_hdr.status = 1352 CTL_SCSI_ERROR | CTL_AUTOSENSE; 1353 list->ctsio->scsi_status = list->fwd_scsi_status; 1354 list->ctsio->sense_data = list->fwd_sense_data; 1355 list->ctsio->sense_len = list->fwd_sense_len; 1356 } else { 1357 ctl_set_invalid_field(list->ctsio, 1358 /*sks_valid*/ 0, /*command*/ 0, 1359 /*field*/ 0, /*bit_valid*/ 0, /*bit*/ 0); 1360 } 1361 return (CTL_RETVAL_ERROR); 1362 } 1363 list->cursectors += list->segsectors; 1364 list->curbytes += list->segbytes; 1365 return (CTL_RETVAL_COMPLETE); 1366 } 1367 1368 dstblock = list->lun->be_lun->blocksize; 1369 TAILQ_INIT(&run); 1370 prun = &run; 1371 list->tbdio = 1; 1372 TAILQ_INIT(&list->allio); 1373 list->segsectors = 0; 1374 for (r = 0; r < list->nrange; r++) { 1375 len = scsi_4btoul(list->range[r].length); 1376 if (len == 0) 1377 continue; 1378 1379 tiow = malloc(sizeof(*tiow), M_CTL, M_WAITOK | M_ZERO); 1380 TAILQ_INIT(&tiow->run); 1381 tiow->list = list; 1382 TAILQ_INSERT_TAIL(&list->allio, tiow, links); 1383 tiow->io = tpcl_alloc_io(); 1384 ctl_scsi_write_same(tiow->io, 1385 /*data_ptr*/ NULL, 1386 /*data_len*/ 0, 1387 /*byte2*/ SWS_NDOB, 1388 /*lba*/ scsi_8btou64(list->range[r].lba), 1389 /*num_blocks*/ len, 1390 /*tag_type*/ CTL_TAG_SIMPLE, 1391 /*control*/ 0); 1392 tiow->io->io_hdr.retries = 3; 1393 tiow->lun = list->lun->lun; 1394 tiow->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tiow; 1395 1396 TAILQ_INSERT_TAIL(prun, tiow, rlinks); 1397 prun = &tiow->run; 1398 list->segsectors += len; 1399 } 1400 list->segbytes = list->segsectors * dstblock; 1401 1402 if (TAILQ_EMPTY(&run)) 1403 goto complete; 1404 1405 while ((tiow = TAILQ_FIRST(&run)) != NULL) { 1406 TAILQ_REMOVE(&run, tiow, rlinks); 1407 if (tpcl_queue(tiow->io, tiow->lun) != CTL_RETVAL_COMPLETE) 1408 panic("tpcl_queue() error"); 1409 } 1410 1411 list->stage++; 1412 return (CTL_RETVAL_QUEUED); 1413 } 1414 1415 static void 1416 tpc_process(struct tpc_list *list) 1417 { 1418 struct ctl_lun *lun = list->lun; 1419 struct ctl_softc *softc = lun->ctl_softc; 1420 struct scsi_ec_segment *seg; 1421 struct ctl_scsiio *ctsio = list->ctsio; 1422 int retval = CTL_RETVAL_COMPLETE; 1423 uint8_t csi[4]; 1424 1425 if (list->service_action == EC_WUT) { 1426 if (list->token != NULL) 1427 retval = tpc_process_wut(list); 1428 else 1429 retval = tpc_process_zero_wut(list); 1430 if (retval == CTL_RETVAL_QUEUED) 1431 return; 1432 if (retval == CTL_RETVAL_ERROR) { 1433 list->error = 1; 1434 goto done; 1435 } 1436 } else { 1437 //printf("ZZZ %d cscd, %d segs\n", list->ncscd, list->nseg); 1438 while (list->curseg < list->nseg) { 1439 seg = list->seg[list->curseg]; 1440 switch (seg->type_code) { 1441 case EC_SEG_B2B: 1442 retval = tpc_process_b2b(list); 1443 break; 1444 case EC_SEG_VERIFY: 1445 retval = tpc_process_verify(list); 1446 break; 1447 case EC_SEG_REGISTER_KEY: 1448 retval = tpc_process_register_key(list); 1449 break; 1450 default: 1451 scsi_ulto4b(list->curseg, csi); 1452 ctl_set_sense(ctsio, /*current_error*/ 1, 1453 /*sense_key*/ SSD_KEY_COPY_ABORTED, 1454 /*asc*/ 0x26, /*ascq*/ 0x09, 1455 SSD_ELEM_COMMAND, sizeof(csi), csi, 1456 SSD_ELEM_NONE); 1457 goto done; 1458 } 1459 if (retval == CTL_RETVAL_QUEUED) 1460 return; 1461 if (retval == CTL_RETVAL_ERROR) { 1462 list->error = 1; 1463 goto done; 1464 } 1465 list->curseg++; 1466 list->stage = 0; 1467 } 1468 } 1469 1470 ctl_set_success(ctsio); 1471 1472 done: 1473 //printf("ZZZ done\n"); 1474 free(list->params, M_CTL); 1475 list->params = NULL; 1476 if (list->token) { 1477 mtx_lock(&softc->tpc_lock); 1478 if (--list->token->active == 0) 1479 list->token->last_active = time_uptime; 1480 mtx_unlock(&softc->tpc_lock); 1481 list->token = NULL; 1482 } 1483 mtx_lock(&lun->lun_lock); 1484 if ((list->flags & EC_LIST_ID_USAGE_MASK) == EC_LIST_ID_USAGE_NONE) { 1485 TAILQ_REMOVE(&lun->tpc_lists, list, links); 1486 free(list, M_CTL); 1487 } else { 1488 list->completed = 1; 1489 list->last_active = time_uptime; 1490 list->sense_data = ctsio->sense_data; 1491 list->sense_len = ctsio->sense_len; 1492 list->scsi_status = ctsio->scsi_status; 1493 } 1494 mtx_unlock(&lun->lun_lock); 1495 1496 ctl_done((union ctl_io *)ctsio); 1497 } 1498 1499 /* 1500 * For any sort of check condition, busy, etc., we just retry. We do not 1501 * decrement the retry count for unit attention type errors. These are 1502 * normal, and we want to save the retry count for "real" errors. Otherwise, 1503 * we could end up with situations where a command will succeed in some 1504 * situations and fail in others, depending on whether a unit attention is 1505 * pending. Also, some of our error recovery actions, most notably the 1506 * LUN reset action, will cause a unit attention. 1507 * 1508 * We can add more detail here later if necessary. 1509 */ 1510 static tpc_error_action 1511 tpc_checkcond_parse(union ctl_io *io) 1512 { 1513 tpc_error_action error_action; 1514 int error_code, sense_key, asc, ascq; 1515 1516 /* 1517 * Default to retrying the command. 1518 */ 1519 error_action = TPC_ERR_RETRY; 1520 1521 scsi_extract_sense_len(&io->scsiio.sense_data, 1522 io->scsiio.sense_len, 1523 &error_code, 1524 &sense_key, 1525 &asc, 1526 &ascq, 1527 /*show_errors*/ 1); 1528 1529 switch (error_code) { 1530 case SSD_DEFERRED_ERROR: 1531 case SSD_DESC_DEFERRED_ERROR: 1532 error_action |= TPC_ERR_NO_DECREMENT; 1533 break; 1534 case SSD_CURRENT_ERROR: 1535 case SSD_DESC_CURRENT_ERROR: 1536 default: 1537 switch (sense_key) { 1538 case SSD_KEY_UNIT_ATTENTION: 1539 error_action |= TPC_ERR_NO_DECREMENT; 1540 break; 1541 case SSD_KEY_HARDWARE_ERROR: 1542 /* 1543 * This is our generic "something bad happened" 1544 * error code. It often isn't recoverable. 1545 */ 1546 if ((asc == 0x44) && (ascq == 0x00)) 1547 error_action = TPC_ERR_FAIL; 1548 break; 1549 case SSD_KEY_NOT_READY: 1550 /* 1551 * If the LUN is powered down, there likely isn't 1552 * much point in retrying right now. 1553 */ 1554 if ((asc == 0x04) && (ascq == 0x02)) 1555 error_action = TPC_ERR_FAIL; 1556 /* 1557 * If the LUN is offline, there probably isn't much 1558 * point in retrying, either. 1559 */ 1560 if ((asc == 0x04) && (ascq == 0x03)) 1561 error_action = TPC_ERR_FAIL; 1562 break; 1563 } 1564 } 1565 return (error_action); 1566 } 1567 1568 static tpc_error_action 1569 tpc_error_parse(union ctl_io *io) 1570 { 1571 tpc_error_action error_action = TPC_ERR_RETRY; 1572 1573 switch (io->io_hdr.io_type) { 1574 case CTL_IO_SCSI: 1575 switch (io->io_hdr.status & CTL_STATUS_MASK) { 1576 case CTL_SCSI_ERROR: 1577 switch (io->scsiio.scsi_status) { 1578 case SCSI_STATUS_CHECK_COND: 1579 error_action = tpc_checkcond_parse(io); 1580 break; 1581 default: 1582 break; 1583 } 1584 break; 1585 default: 1586 break; 1587 } 1588 break; 1589 case CTL_IO_TASK: 1590 break; 1591 default: 1592 panic("%s: invalid ctl_io type %d\n", __func__, 1593 io->io_hdr.io_type); 1594 break; 1595 } 1596 return (error_action); 1597 } 1598 1599 void 1600 tpc_done(union ctl_io *io) 1601 { 1602 struct tpc_io *tio, *tior; 1603 1604 /* 1605 * Very minimal retry logic. We basically retry if we got an error 1606 * back, and the retry count is greater than 0. If we ever want 1607 * more sophisticated initiator type behavior, the CAM error 1608 * recovery code in ../common might be helpful. 1609 */ 1610 tio = io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr; 1611 if (((io->io_hdr.status & CTL_STATUS_MASK) != CTL_SUCCESS) 1612 && (io->io_hdr.retries > 0)) { 1613 ctl_io_status old_status; 1614 tpc_error_action error_action; 1615 1616 error_action = tpc_error_parse(io); 1617 switch (error_action & TPC_ERR_MASK) { 1618 case TPC_ERR_FAIL: 1619 break; 1620 case TPC_ERR_RETRY: 1621 default: 1622 if ((error_action & TPC_ERR_NO_DECREMENT) == 0) 1623 io->io_hdr.retries--; 1624 old_status = io->io_hdr.status; 1625 io->io_hdr.status = CTL_STATUS_NONE; 1626 io->io_hdr.flags &= ~CTL_FLAG_ABORT; 1627 io->io_hdr.flags &= ~CTL_FLAG_SENT_2OTHER_SC; 1628 if (tpcl_queue(io, tio->lun) != CTL_RETVAL_COMPLETE) { 1629 printf("%s: error returned from tpcl_queue()!\n", 1630 __func__); 1631 io->io_hdr.status = old_status; 1632 } else 1633 return; 1634 } 1635 } 1636 1637 if ((io->io_hdr.status & CTL_STATUS_MASK) != CTL_SUCCESS) { 1638 tio->list->error = 1; 1639 if (io->io_hdr.io_type == CTL_IO_SCSI && 1640 (io->io_hdr.status & CTL_STATUS_MASK) == CTL_SCSI_ERROR) { 1641 tio->list->fwd_scsi_status = io->scsiio.scsi_status; 1642 tio->list->fwd_sense_data = io->scsiio.sense_data; 1643 tio->list->fwd_sense_len = io->scsiio.sense_len; 1644 tio->list->fwd_target = tio->target; 1645 tio->list->fwd_cscd = tio->cscd; 1646 } 1647 } else 1648 atomic_add_int(&tio->list->curops, 1); 1649 if (!tio->list->error && !tio->list->abort) { 1650 while ((tior = TAILQ_FIRST(&tio->run)) != NULL) { 1651 TAILQ_REMOVE(&tio->run, tior, rlinks); 1652 atomic_add_int(&tio->list->tbdio, 1); 1653 if (tpcl_queue(tior->io, tior->lun) != CTL_RETVAL_COMPLETE) 1654 panic("tpcl_queue() error"); 1655 } 1656 } 1657 if (atomic_fetchadd_int(&tio->list->tbdio, -1) == 1) 1658 tpc_process(tio->list); 1659 } 1660 1661 int 1662 ctl_extended_copy_lid1(struct ctl_scsiio *ctsio) 1663 { 1664 struct ctl_lun *lun = CTL_LUN(ctsio); 1665 struct scsi_extended_copy *cdb; 1666 struct scsi_extended_copy_lid1_data *data; 1667 struct scsi_ec_cscd *cscd; 1668 struct scsi_ec_segment *seg; 1669 struct tpc_list *list, *tlist; 1670 uint8_t *ptr; 1671 const char *value; 1672 int len, off, lencscd, lenseg, leninl, nseg; 1673 1674 CTL_DEBUG_PRINT(("ctl_extended_copy_lid1\n")); 1675 1676 cdb = (struct scsi_extended_copy *)ctsio->cdb; 1677 len = scsi_4btoul(cdb->length); 1678 1679 if (len == 0) { 1680 ctl_set_success(ctsio); 1681 goto done; 1682 } 1683 if (len < sizeof(struct scsi_extended_copy_lid1_data) || 1684 len > sizeof(struct scsi_extended_copy_lid1_data) + 1685 TPC_MAX_LIST + TPC_MAX_INLINE) { 1686 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 1, 1687 /*field*/ 9, /*bit_valid*/ 0, /*bit*/ 0); 1688 goto done; 1689 } 1690 1691 /* 1692 * If we've got a kernel request that hasn't been malloced yet, 1693 * malloc it and tell the caller the data buffer is here. 1694 */ 1695 if ((ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0) { 1696 ctsio->kern_data_ptr = malloc(len, M_CTL, M_WAITOK); 1697 ctsio->kern_data_len = len; 1698 ctsio->kern_total_len = len; 1699 ctsio->kern_rel_offset = 0; 1700 ctsio->kern_sg_entries = 0; 1701 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED; 1702 ctsio->be_move_done = ctl_config_move_done; 1703 ctl_datamove((union ctl_io *)ctsio); 1704 1705 return (CTL_RETVAL_COMPLETE); 1706 } 1707 1708 data = (struct scsi_extended_copy_lid1_data *)ctsio->kern_data_ptr; 1709 lencscd = scsi_2btoul(data->cscd_list_length); 1710 lenseg = scsi_4btoul(data->segment_list_length); 1711 leninl = scsi_4btoul(data->inline_data_length); 1712 if (lencscd > TPC_MAX_CSCDS * sizeof(struct scsi_ec_cscd)) { 1713 ctl_set_sense(ctsio, /*current_error*/ 1, 1714 /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST, 1715 /*asc*/ 0x26, /*ascq*/ 0x06, SSD_ELEM_NONE); 1716 goto done; 1717 } 1718 if (lenseg > TPC_MAX_SEGS * sizeof(struct scsi_ec_segment)) { 1719 ctl_set_sense(ctsio, /*current_error*/ 1, 1720 /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST, 1721 /*asc*/ 0x26, /*ascq*/ 0x08, SSD_ELEM_NONE); 1722 goto done; 1723 } 1724 if (lencscd + lenseg > TPC_MAX_LIST || 1725 leninl > TPC_MAX_INLINE || 1726 len < sizeof(struct scsi_extended_copy_lid1_data) + 1727 lencscd + lenseg + leninl) { 1728 ctl_set_param_len_error(ctsio); 1729 goto done; 1730 } 1731 1732 list = malloc(sizeof(struct tpc_list), M_CTL, M_WAITOK | M_ZERO); 1733 list->service_action = cdb->service_action; 1734 value = dnvlist_get_string(lun->be_lun->options, "insecure_tpc", NULL); 1735 if (value != NULL && strcmp(value, "on") == 0) 1736 list->init_port = -1; 1737 else 1738 list->init_port = ctsio->io_hdr.nexus.targ_port; 1739 list->init_idx = ctl_get_initindex(&ctsio->io_hdr.nexus); 1740 list->list_id = data->list_identifier; 1741 list->flags = data->flags; 1742 list->params = ctsio->kern_data_ptr; 1743 list->cscd = (struct scsi_ec_cscd *)&data->data[0]; 1744 ptr = &data->data[0]; 1745 for (off = 0; off < lencscd; off += sizeof(struct scsi_ec_cscd)) { 1746 cscd = (struct scsi_ec_cscd *)(ptr + off); 1747 if (cscd->type_code != EC_CSCD_ID) { 1748 free(list, M_CTL); 1749 ctl_set_sense(ctsio, /*current_error*/ 1, 1750 /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST, 1751 /*asc*/ 0x26, /*ascq*/ 0x07, SSD_ELEM_NONE); 1752 goto done; 1753 } 1754 } 1755 ptr = &data->data[lencscd]; 1756 for (nseg = 0, off = 0; off < lenseg; nseg++) { 1757 if (nseg >= TPC_MAX_SEGS) { 1758 free(list, M_CTL); 1759 ctl_set_sense(ctsio, /*current_error*/ 1, 1760 /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST, 1761 /*asc*/ 0x26, /*ascq*/ 0x08, SSD_ELEM_NONE); 1762 goto done; 1763 } 1764 seg = (struct scsi_ec_segment *)(ptr + off); 1765 if (seg->type_code != EC_SEG_B2B && 1766 seg->type_code != EC_SEG_VERIFY && 1767 seg->type_code != EC_SEG_REGISTER_KEY) { 1768 free(list, M_CTL); 1769 ctl_set_sense(ctsio, /*current_error*/ 1, 1770 /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST, 1771 /*asc*/ 0x26, /*ascq*/ 0x09, SSD_ELEM_NONE); 1772 goto done; 1773 } 1774 list->seg[nseg] = seg; 1775 off += sizeof(struct scsi_ec_segment) + 1776 scsi_2btoul(seg->descr_length); 1777 } 1778 list->inl = &data->data[lencscd + lenseg]; 1779 list->ncscd = lencscd / sizeof(struct scsi_ec_cscd); 1780 list->nseg = nseg; 1781 list->leninl = leninl; 1782 list->ctsio = ctsio; 1783 list->lun = lun; 1784 mtx_lock(&lun->lun_lock); 1785 if ((list->flags & EC_LIST_ID_USAGE_MASK) != EC_LIST_ID_USAGE_NONE) { 1786 tlist = tpc_find_list(lun, list->list_id, list->init_idx); 1787 if (tlist != NULL && !tlist->completed) { 1788 mtx_unlock(&lun->lun_lock); 1789 free(list, M_CTL); 1790 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, 1791 /*command*/ 0, /*field*/ 0, /*bit_valid*/ 0, 1792 /*bit*/ 0); 1793 goto done; 1794 } 1795 if (tlist != NULL) { 1796 TAILQ_REMOVE(&lun->tpc_lists, tlist, links); 1797 free(tlist, M_CTL); 1798 } 1799 } 1800 TAILQ_INSERT_TAIL(&lun->tpc_lists, list, links); 1801 mtx_unlock(&lun->lun_lock); 1802 1803 tpc_process(list); 1804 return (CTL_RETVAL_COMPLETE); 1805 1806 done: 1807 if (ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) { 1808 free(ctsio->kern_data_ptr, M_CTL); 1809 ctsio->io_hdr.flags &= ~CTL_FLAG_ALLOCATED; 1810 } 1811 ctl_done((union ctl_io *)ctsio); 1812 return (CTL_RETVAL_COMPLETE); 1813 } 1814 1815 int 1816 ctl_extended_copy_lid4(struct ctl_scsiio *ctsio) 1817 { 1818 struct ctl_lun *lun = CTL_LUN(ctsio); 1819 struct scsi_extended_copy *cdb; 1820 struct scsi_extended_copy_lid4_data *data; 1821 struct scsi_ec_cscd *cscd; 1822 struct scsi_ec_segment *seg; 1823 struct tpc_list *list, *tlist; 1824 uint8_t *ptr; 1825 const char *value; 1826 int len, off, lencscd, lenseg, leninl, nseg; 1827 1828 CTL_DEBUG_PRINT(("ctl_extended_copy_lid4\n")); 1829 1830 cdb = (struct scsi_extended_copy *)ctsio->cdb; 1831 len = scsi_4btoul(cdb->length); 1832 1833 if (len == 0) { 1834 ctl_set_success(ctsio); 1835 goto done; 1836 } 1837 if (len < sizeof(struct scsi_extended_copy_lid4_data) || 1838 len > sizeof(struct scsi_extended_copy_lid4_data) + 1839 TPC_MAX_LIST + TPC_MAX_INLINE) { 1840 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 1, 1841 /*field*/ 9, /*bit_valid*/ 0, /*bit*/ 0); 1842 goto done; 1843 } 1844 1845 /* 1846 * If we've got a kernel request that hasn't been malloced yet, 1847 * malloc it and tell the caller the data buffer is here. 1848 */ 1849 if ((ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0) { 1850 ctsio->kern_data_ptr = malloc(len, M_CTL, M_WAITOK); 1851 ctsio->kern_data_len = len; 1852 ctsio->kern_total_len = len; 1853 ctsio->kern_rel_offset = 0; 1854 ctsio->kern_sg_entries = 0; 1855 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED; 1856 ctsio->be_move_done = ctl_config_move_done; 1857 ctl_datamove((union ctl_io *)ctsio); 1858 1859 return (CTL_RETVAL_COMPLETE); 1860 } 1861 1862 data = (struct scsi_extended_copy_lid4_data *)ctsio->kern_data_ptr; 1863 lencscd = scsi_2btoul(data->cscd_list_length); 1864 lenseg = scsi_2btoul(data->segment_list_length); 1865 leninl = scsi_2btoul(data->inline_data_length); 1866 if (lencscd > TPC_MAX_CSCDS * sizeof(struct scsi_ec_cscd)) { 1867 ctl_set_sense(ctsio, /*current_error*/ 1, 1868 /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST, 1869 /*asc*/ 0x26, /*ascq*/ 0x06, SSD_ELEM_NONE); 1870 goto done; 1871 } 1872 if (lenseg > TPC_MAX_SEGS * sizeof(struct scsi_ec_segment)) { 1873 ctl_set_sense(ctsio, /*current_error*/ 1, 1874 /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST, 1875 /*asc*/ 0x26, /*ascq*/ 0x08, SSD_ELEM_NONE); 1876 goto done; 1877 } 1878 if (lencscd + lenseg > TPC_MAX_LIST || 1879 leninl > TPC_MAX_INLINE || 1880 len < sizeof(struct scsi_extended_copy_lid1_data) + 1881 lencscd + lenseg + leninl) { 1882 ctl_set_param_len_error(ctsio); 1883 goto done; 1884 } 1885 1886 list = malloc(sizeof(struct tpc_list), M_CTL, M_WAITOK | M_ZERO); 1887 list->service_action = cdb->service_action; 1888 value = dnvlist_get_string(lun->be_lun->options, "insecure_tpc", NULL); 1889 if (value != NULL && strcmp(value, "on") == 0) 1890 list->init_port = -1; 1891 else 1892 list->init_port = ctsio->io_hdr.nexus.targ_port; 1893 list->init_idx = ctl_get_initindex(&ctsio->io_hdr.nexus); 1894 list->list_id = scsi_4btoul(data->list_identifier); 1895 list->flags = data->flags; 1896 list->params = ctsio->kern_data_ptr; 1897 list->cscd = (struct scsi_ec_cscd *)&data->data[0]; 1898 ptr = &data->data[0]; 1899 for (off = 0; off < lencscd; off += sizeof(struct scsi_ec_cscd)) { 1900 cscd = (struct scsi_ec_cscd *)(ptr + off); 1901 if (cscd->type_code != EC_CSCD_ID) { 1902 free(list, M_CTL); 1903 ctl_set_sense(ctsio, /*current_error*/ 1, 1904 /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST, 1905 /*asc*/ 0x26, /*ascq*/ 0x07, SSD_ELEM_NONE); 1906 goto done; 1907 } 1908 } 1909 ptr = &data->data[lencscd]; 1910 for (nseg = 0, off = 0; off < lenseg; nseg++) { 1911 if (nseg >= TPC_MAX_SEGS) { 1912 free(list, M_CTL); 1913 ctl_set_sense(ctsio, /*current_error*/ 1, 1914 /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST, 1915 /*asc*/ 0x26, /*ascq*/ 0x08, SSD_ELEM_NONE); 1916 goto done; 1917 } 1918 seg = (struct scsi_ec_segment *)(ptr + off); 1919 if (seg->type_code != EC_SEG_B2B && 1920 seg->type_code != EC_SEG_VERIFY && 1921 seg->type_code != EC_SEG_REGISTER_KEY) { 1922 free(list, M_CTL); 1923 ctl_set_sense(ctsio, /*current_error*/ 1, 1924 /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST, 1925 /*asc*/ 0x26, /*ascq*/ 0x09, SSD_ELEM_NONE); 1926 goto done; 1927 } 1928 list->seg[nseg] = seg; 1929 off += sizeof(struct scsi_ec_segment) + 1930 scsi_2btoul(seg->descr_length); 1931 } 1932 list->inl = &data->data[lencscd + lenseg]; 1933 list->ncscd = lencscd / sizeof(struct scsi_ec_cscd); 1934 list->nseg = nseg; 1935 list->leninl = leninl; 1936 list->ctsio = ctsio; 1937 list->lun = lun; 1938 mtx_lock(&lun->lun_lock); 1939 if ((list->flags & EC_LIST_ID_USAGE_MASK) != EC_LIST_ID_USAGE_NONE) { 1940 tlist = tpc_find_list(lun, list->list_id, list->init_idx); 1941 if (tlist != NULL && !tlist->completed) { 1942 mtx_unlock(&lun->lun_lock); 1943 free(list, M_CTL); 1944 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, 1945 /*command*/ 0, /*field*/ 0, /*bit_valid*/ 0, 1946 /*bit*/ 0); 1947 goto done; 1948 } 1949 if (tlist != NULL) { 1950 TAILQ_REMOVE(&lun->tpc_lists, tlist, links); 1951 free(tlist, M_CTL); 1952 } 1953 } 1954 TAILQ_INSERT_TAIL(&lun->tpc_lists, list, links); 1955 mtx_unlock(&lun->lun_lock); 1956 1957 tpc_process(list); 1958 return (CTL_RETVAL_COMPLETE); 1959 1960 done: 1961 if (ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) { 1962 free(ctsio->kern_data_ptr, M_CTL); 1963 ctsio->io_hdr.flags &= ~CTL_FLAG_ALLOCATED; 1964 } 1965 ctl_done((union ctl_io *)ctsio); 1966 return (CTL_RETVAL_COMPLETE); 1967 } 1968 1969 static void 1970 tpc_create_token(struct ctl_lun *lun, struct ctl_port *port, off_t len, 1971 struct scsi_token *token) 1972 { 1973 static int id = 0; 1974 struct scsi_vpd_id_descriptor *idd = NULL; 1975 struct scsi_ec_cscd_id *cscd; 1976 struct scsi_read_capacity_data_long *dtsd; 1977 int targid_len; 1978 1979 scsi_ulto4b(ROD_TYPE_AUR, token->type); 1980 scsi_ulto2b(0x01f8, token->length); 1981 scsi_u64to8b(atomic_fetchadd_int(&id, 1), &token->body[0]); 1982 if (lun->lun_devid) 1983 idd = scsi_get_devid_desc((struct scsi_vpd_id_descriptor *) 1984 lun->lun_devid->data, lun->lun_devid->len, 1985 scsi_devid_is_lun_naa); 1986 if (idd == NULL && lun->lun_devid) 1987 idd = scsi_get_devid_desc((struct scsi_vpd_id_descriptor *) 1988 lun->lun_devid->data, lun->lun_devid->len, 1989 scsi_devid_is_lun_eui64); 1990 if (idd != NULL) { 1991 cscd = (struct scsi_ec_cscd_id *)&token->body[8]; 1992 cscd->type_code = EC_CSCD_ID; 1993 cscd->luidt_pdt = T_DIRECT; 1994 memcpy(&cscd->codeset, idd, 4 + idd->length); 1995 scsi_ulto3b(lun->be_lun->blocksize, cscd->dtsp.block_length); 1996 } 1997 scsi_u64to8b(0, &token->body[40]); /* XXX: Should be 128bit value. */ 1998 scsi_u64to8b(len, &token->body[48]); 1999 2000 /* ROD token device type specific data (RC16 without first field) */ 2001 dtsd = (struct scsi_read_capacity_data_long *)&token->body[88 - 8]; 2002 scsi_ulto4b(lun->be_lun->blocksize, dtsd->length); 2003 dtsd->prot_lbppbe = lun->be_lun->pblockexp & SRC16_LBPPBE; 2004 scsi_ulto2b(lun->be_lun->pblockoff & SRC16_LALBA_A, dtsd->lalba_lbp); 2005 if (lun->be_lun->flags & CTL_LUN_FLAG_UNMAP) 2006 dtsd->lalba_lbp[0] |= SRC16_LBPME | SRC16_LBPRZ; 2007 2008 if (port->target_devid) { 2009 targid_len = port->target_devid->len; 2010 memcpy(&token->body[120], port->target_devid->data, targid_len); 2011 } else 2012 targid_len = 32; 2013 arc4rand(&token->body[120 + targid_len], 384 - targid_len, 0); 2014 }; 2015 2016 int 2017 ctl_populate_token(struct ctl_scsiio *ctsio) 2018 { 2019 struct ctl_softc *softc = CTL_SOFTC(ctsio); 2020 struct ctl_port *port = CTL_PORT(ctsio); 2021 struct ctl_lun *lun = CTL_LUN(ctsio); 2022 struct scsi_populate_token *cdb; 2023 struct scsi_populate_token_data *data; 2024 struct tpc_list *list, *tlist; 2025 struct tpc_token *token; 2026 uint64_t lba; 2027 int len, lendata, lendesc; 2028 2029 CTL_DEBUG_PRINT(("ctl_populate_token\n")); 2030 2031 cdb = (struct scsi_populate_token *)ctsio->cdb; 2032 len = scsi_4btoul(cdb->length); 2033 2034 if (len < sizeof(struct scsi_populate_token_data) || 2035 len > sizeof(struct scsi_populate_token_data) + 2036 TPC_MAX_SEGS * sizeof(struct scsi_range_desc)) { 2037 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 1, 2038 /*field*/ 9, /*bit_valid*/ 0, /*bit*/ 0); 2039 goto done; 2040 } 2041 2042 /* 2043 * If we've got a kernel request that hasn't been malloced yet, 2044 * malloc it and tell the caller the data buffer is here. 2045 */ 2046 if ((ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0) { 2047 ctsio->kern_data_ptr = malloc(len, M_CTL, M_WAITOK); 2048 ctsio->kern_data_len = len; 2049 ctsio->kern_total_len = len; 2050 ctsio->kern_rel_offset = 0; 2051 ctsio->kern_sg_entries = 0; 2052 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED; 2053 ctsio->be_move_done = ctl_config_move_done; 2054 ctl_datamove((union ctl_io *)ctsio); 2055 2056 return (CTL_RETVAL_COMPLETE); 2057 } 2058 2059 data = (struct scsi_populate_token_data *)ctsio->kern_data_ptr; 2060 lendata = scsi_2btoul(data->length); 2061 if (lendata < sizeof(struct scsi_populate_token_data) - 2 + 2062 sizeof(struct scsi_range_desc)) { 2063 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 0, 2064 /*field*/ 0, /*bit_valid*/ 0, /*bit*/ 0); 2065 goto done; 2066 } 2067 lendesc = scsi_2btoul(data->range_descriptor_length); 2068 if (lendesc < sizeof(struct scsi_range_desc) || 2069 len < sizeof(struct scsi_populate_token_data) + lendesc || 2070 lendata < sizeof(struct scsi_populate_token_data) - 2 + lendesc) { 2071 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 0, 2072 /*field*/ 14, /*bit_valid*/ 0, /*bit*/ 0); 2073 goto done; 2074 } 2075 /* 2076 printf("PT(list=%u) flags=%x to=%d rt=%x len=%x\n", 2077 scsi_4btoul(cdb->list_identifier), 2078 data->flags, scsi_4btoul(data->inactivity_timeout), 2079 scsi_4btoul(data->rod_type), 2080 scsi_2btoul(data->range_descriptor_length)); 2081 */ 2082 2083 /* Validate INACTIVITY TIMEOUT field */ 2084 if (scsi_4btoul(data->inactivity_timeout) > TPC_MAX_TOKEN_TIMEOUT) { 2085 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, 2086 /*command*/ 0, /*field*/ 4, /*bit_valid*/ 0, 2087 /*bit*/ 0); 2088 goto done; 2089 } 2090 2091 /* Validate ROD TYPE field */ 2092 if ((data->flags & EC_PT_RTV) && 2093 scsi_4btoul(data->rod_type) != ROD_TYPE_AUR) { 2094 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 0, 2095 /*field*/ 8, /*bit_valid*/ 0, /*bit*/ 0); 2096 goto done; 2097 } 2098 2099 /* Validate list of ranges */ 2100 if (tpc_check_ranges_l(&data->desc[0], 2101 scsi_2btoul(data->range_descriptor_length) / 2102 sizeof(struct scsi_range_desc), 2103 lun->be_lun->maxlba, &lba) != 0) { 2104 ctl_set_lba_out_of_range(ctsio, lba); 2105 goto done; 2106 } 2107 if (tpc_check_ranges_x(&data->desc[0], 2108 scsi_2btoul(data->range_descriptor_length) / 2109 sizeof(struct scsi_range_desc)) != 0) { 2110 ctl_set_invalid_field(ctsio, /*sks_valid*/ 0, 2111 /*command*/ 0, /*field*/ 0, /*bit_valid*/ 0, 2112 /*bit*/ 0); 2113 goto done; 2114 } 2115 2116 list = malloc(sizeof(struct tpc_list), M_CTL, M_WAITOK | M_ZERO); 2117 list->service_action = cdb->service_action; 2118 list->init_port = ctsio->io_hdr.nexus.targ_port; 2119 list->init_idx = ctl_get_initindex(&ctsio->io_hdr.nexus); 2120 list->list_id = scsi_4btoul(cdb->list_identifier); 2121 list->flags = data->flags; 2122 list->ctsio = ctsio; 2123 list->lun = lun; 2124 mtx_lock(&lun->lun_lock); 2125 tlist = tpc_find_list(lun, list->list_id, list->init_idx); 2126 if (tlist != NULL && !tlist->completed) { 2127 mtx_unlock(&lun->lun_lock); 2128 free(list, M_CTL); 2129 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, 2130 /*command*/ 0, /*field*/ 0, /*bit_valid*/ 0, 2131 /*bit*/ 0); 2132 goto done; 2133 } 2134 if (tlist != NULL) { 2135 TAILQ_REMOVE(&lun->tpc_lists, tlist, links); 2136 free(tlist, M_CTL); 2137 } 2138 TAILQ_INSERT_TAIL(&lun->tpc_lists, list, links); 2139 mtx_unlock(&lun->lun_lock); 2140 2141 token = malloc(sizeof(*token), M_CTL, M_WAITOK | M_ZERO); 2142 token->lun = lun->lun; 2143 token->blocksize = lun->be_lun->blocksize; 2144 token->params = ctsio->kern_data_ptr; 2145 token->range = &data->desc[0]; 2146 token->nrange = scsi_2btoul(data->range_descriptor_length) / 2147 sizeof(struct scsi_range_desc); 2148 list->cursectors = tpc_ranges_length(token->range, token->nrange); 2149 list->curbytes = (off_t)list->cursectors * lun->be_lun->blocksize; 2150 tpc_create_token(lun, port, list->curbytes, 2151 (struct scsi_token *)token->token); 2152 token->active = 0; 2153 token->last_active = time_uptime; 2154 token->timeout = scsi_4btoul(data->inactivity_timeout); 2155 if (token->timeout == 0) 2156 token->timeout = TPC_DFL_TOKEN_TIMEOUT; 2157 else if (token->timeout < TPC_MIN_TOKEN_TIMEOUT) 2158 token->timeout = TPC_MIN_TOKEN_TIMEOUT; 2159 memcpy(list->res_token, token->token, sizeof(list->res_token)); 2160 list->res_token_valid = 1; 2161 list->curseg = 0; 2162 list->completed = 1; 2163 list->last_active = time_uptime; 2164 mtx_lock(&softc->tpc_lock); 2165 TAILQ_INSERT_TAIL(&softc->tpc_tokens, token, links); 2166 mtx_unlock(&softc->tpc_lock); 2167 ctl_set_success(ctsio); 2168 ctl_done((union ctl_io *)ctsio); 2169 return (CTL_RETVAL_COMPLETE); 2170 2171 done: 2172 if (ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) { 2173 free(ctsio->kern_data_ptr, M_CTL); 2174 ctsio->io_hdr.flags &= ~CTL_FLAG_ALLOCATED; 2175 } 2176 ctl_done((union ctl_io *)ctsio); 2177 return (CTL_RETVAL_COMPLETE); 2178 } 2179 2180 int 2181 ctl_write_using_token(struct ctl_scsiio *ctsio) 2182 { 2183 struct ctl_softc *softc = CTL_SOFTC(ctsio); 2184 struct ctl_lun *lun = CTL_LUN(ctsio); 2185 struct scsi_write_using_token *cdb; 2186 struct scsi_write_using_token_data *data; 2187 struct tpc_list *list, *tlist; 2188 struct tpc_token *token; 2189 uint64_t lba; 2190 int len, lendata, lendesc; 2191 2192 CTL_DEBUG_PRINT(("ctl_write_using_token\n")); 2193 2194 cdb = (struct scsi_write_using_token *)ctsio->cdb; 2195 len = scsi_4btoul(cdb->length); 2196 2197 if (len < sizeof(struct scsi_write_using_token_data) || 2198 len > sizeof(struct scsi_write_using_token_data) + 2199 TPC_MAX_SEGS * sizeof(struct scsi_range_desc)) { 2200 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 1, 2201 /*field*/ 9, /*bit_valid*/ 0, /*bit*/ 0); 2202 goto done; 2203 } 2204 2205 /* 2206 * If we've got a kernel request that hasn't been malloced yet, 2207 * malloc it and tell the caller the data buffer is here. 2208 */ 2209 if ((ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0) { 2210 ctsio->kern_data_ptr = malloc(len, M_CTL, M_WAITOK); 2211 ctsio->kern_data_len = len; 2212 ctsio->kern_total_len = len; 2213 ctsio->kern_rel_offset = 0; 2214 ctsio->kern_sg_entries = 0; 2215 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED; 2216 ctsio->be_move_done = ctl_config_move_done; 2217 ctl_datamove((union ctl_io *)ctsio); 2218 2219 return (CTL_RETVAL_COMPLETE); 2220 } 2221 2222 data = (struct scsi_write_using_token_data *)ctsio->kern_data_ptr; 2223 lendata = scsi_2btoul(data->length); 2224 if (lendata < sizeof(struct scsi_write_using_token_data) - 2 + 2225 sizeof(struct scsi_range_desc)) { 2226 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 0, 2227 /*field*/ 0, /*bit_valid*/ 0, /*bit*/ 0); 2228 goto done; 2229 } 2230 lendesc = scsi_2btoul(data->range_descriptor_length); 2231 if (lendesc < sizeof(struct scsi_range_desc) || 2232 len < sizeof(struct scsi_write_using_token_data) + lendesc || 2233 lendata < sizeof(struct scsi_write_using_token_data) - 2 + lendesc) { 2234 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 0, 2235 /*field*/ 534, /*bit_valid*/ 0, /*bit*/ 0); 2236 goto done; 2237 } 2238 /* 2239 printf("WUT(list=%u) flags=%x off=%ju len=%x\n", 2240 scsi_4btoul(cdb->list_identifier), 2241 data->flags, scsi_8btou64(data->offset_into_rod), 2242 scsi_2btoul(data->range_descriptor_length)); 2243 */ 2244 2245 /* Validate list of ranges */ 2246 if (tpc_check_ranges_l(&data->desc[0], 2247 scsi_2btoul(data->range_descriptor_length) / 2248 sizeof(struct scsi_range_desc), 2249 lun->be_lun->maxlba, &lba) != 0) { 2250 ctl_set_lba_out_of_range(ctsio, lba); 2251 goto done; 2252 } 2253 if (tpc_check_ranges_x(&data->desc[0], 2254 scsi_2btoul(data->range_descriptor_length) / 2255 sizeof(struct scsi_range_desc)) != 0) { 2256 ctl_set_invalid_field(ctsio, /*sks_valid*/ 0, 2257 /*command*/ 0, /*field*/ 0, /*bit_valid*/ 0, 2258 /*bit*/ 0); 2259 goto done; 2260 } 2261 2262 list = malloc(sizeof(struct tpc_list), M_CTL, M_WAITOK | M_ZERO); 2263 list->service_action = cdb->service_action; 2264 list->init_port = ctsio->io_hdr.nexus.targ_port; 2265 list->init_idx = ctl_get_initindex(&ctsio->io_hdr.nexus); 2266 list->list_id = scsi_4btoul(cdb->list_identifier); 2267 list->flags = data->flags; 2268 list->params = ctsio->kern_data_ptr; 2269 list->range = &data->desc[0]; 2270 list->nrange = scsi_2btoul(data->range_descriptor_length) / 2271 sizeof(struct scsi_range_desc); 2272 list->offset_into_rod = scsi_8btou64(data->offset_into_rod); 2273 list->ctsio = ctsio; 2274 list->lun = lun; 2275 mtx_lock(&lun->lun_lock); 2276 tlist = tpc_find_list(lun, list->list_id, list->init_idx); 2277 if (tlist != NULL && !tlist->completed) { 2278 mtx_unlock(&lun->lun_lock); 2279 free(list, M_CTL); 2280 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, 2281 /*command*/ 0, /*field*/ 0, /*bit_valid*/ 0, 2282 /*bit*/ 0); 2283 goto done; 2284 } 2285 if (tlist != NULL) { 2286 TAILQ_REMOVE(&lun->tpc_lists, tlist, links); 2287 free(tlist, M_CTL); 2288 } 2289 TAILQ_INSERT_TAIL(&lun->tpc_lists, list, links); 2290 mtx_unlock(&lun->lun_lock); 2291 2292 /* Block device zero ROD token -> no token. */ 2293 if (scsi_4btoul(data->rod_token) == ROD_TYPE_BLOCK_ZERO) { 2294 tpc_process(list); 2295 return (CTL_RETVAL_COMPLETE); 2296 } 2297 2298 mtx_lock(&softc->tpc_lock); 2299 TAILQ_FOREACH(token, &softc->tpc_tokens, links) { 2300 if (memcmp(token->token, data->rod_token, 2301 sizeof(data->rod_token)) == 0) 2302 break; 2303 } 2304 if (token != NULL) { 2305 token->active++; 2306 list->token = token; 2307 if (data->flags & EC_WUT_DEL_TKN) 2308 token->timeout = 0; 2309 } 2310 mtx_unlock(&softc->tpc_lock); 2311 if (token == NULL) { 2312 mtx_lock(&lun->lun_lock); 2313 TAILQ_REMOVE(&lun->tpc_lists, list, links); 2314 mtx_unlock(&lun->lun_lock); 2315 free(list, M_CTL); 2316 ctl_set_sense(ctsio, /*current_error*/ 1, 2317 /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST, 2318 /*asc*/ 0x23, /*ascq*/ 0x04, SSD_ELEM_NONE); 2319 goto done; 2320 } 2321 2322 tpc_process(list); 2323 return (CTL_RETVAL_COMPLETE); 2324 2325 done: 2326 if (ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) { 2327 free(ctsio->kern_data_ptr, M_CTL); 2328 ctsio->io_hdr.flags &= ~CTL_FLAG_ALLOCATED; 2329 } 2330 ctl_done((union ctl_io *)ctsio); 2331 return (CTL_RETVAL_COMPLETE); 2332 } 2333 2334 int 2335 ctl_receive_rod_token_information(struct ctl_scsiio *ctsio) 2336 { 2337 struct ctl_lun *lun = CTL_LUN(ctsio); 2338 struct scsi_receive_rod_token_information *cdb; 2339 struct scsi_receive_copy_status_lid4_data *data; 2340 struct tpc_list *list; 2341 struct tpc_list list_copy; 2342 uint8_t *ptr; 2343 int retval; 2344 int alloc_len, total_len, token_len; 2345 uint32_t list_id; 2346 2347 CTL_DEBUG_PRINT(("ctl_receive_rod_token_information\n")); 2348 2349 cdb = (struct scsi_receive_rod_token_information *)ctsio->cdb; 2350 retval = CTL_RETVAL_COMPLETE; 2351 2352 list_id = scsi_4btoul(cdb->list_identifier); 2353 mtx_lock(&lun->lun_lock); 2354 list = tpc_find_list(lun, list_id, 2355 ctl_get_initindex(&ctsio->io_hdr.nexus)); 2356 if (list == NULL) { 2357 mtx_unlock(&lun->lun_lock); 2358 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, 2359 /*command*/ 1, /*field*/ 2, /*bit_valid*/ 0, 2360 /*bit*/ 0); 2361 ctl_done((union ctl_io *)ctsio); 2362 return (retval); 2363 } 2364 list_copy = *list; 2365 if (list->completed) { 2366 TAILQ_REMOVE(&lun->tpc_lists, list, links); 2367 free(list, M_CTL); 2368 } 2369 mtx_unlock(&lun->lun_lock); 2370 2371 token_len = list_copy.res_token_valid ? 2 + sizeof(list_copy.res_token) : 0; 2372 total_len = sizeof(*data) + list_copy.sense_len + 4 + token_len; 2373 alloc_len = scsi_4btoul(cdb->length); 2374 2375 ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO); 2376 ctsio->kern_sg_entries = 0; 2377 ctsio->kern_rel_offset = 0; 2378 ctsio->kern_data_len = min(total_len, alloc_len); 2379 ctsio->kern_total_len = ctsio->kern_data_len; 2380 2381 data = (struct scsi_receive_copy_status_lid4_data *)ctsio->kern_data_ptr; 2382 scsi_ulto4b(sizeof(*data) - 4 + list_copy.sense_len + 2383 4 + token_len, data->available_data); 2384 data->response_to_service_action = list_copy.service_action; 2385 if (list_copy.completed) { 2386 if (list_copy.error) 2387 data->copy_command_status = RCS_CCS_ERROR; 2388 else if (list_copy.abort) 2389 data->copy_command_status = RCS_CCS_ABORTED; 2390 else 2391 data->copy_command_status = RCS_CCS_COMPLETED; 2392 } else 2393 data->copy_command_status = RCS_CCS_INPROG_FG; 2394 scsi_ulto2b(list_copy.curops, data->operation_counter); 2395 scsi_ulto4b(UINT32_MAX, data->estimated_status_update_delay); 2396 data->transfer_count_units = RCS_TC_LBAS; 2397 scsi_u64to8b(list_copy.cursectors, data->transfer_count); 2398 scsi_ulto2b(list_copy.curseg, data->segments_processed); 2399 data->length_of_the_sense_data_field = list_copy.sense_len; 2400 data->sense_data_length = list_copy.sense_len; 2401 memcpy(data->sense_data, &list_copy.sense_data, list_copy.sense_len); 2402 2403 ptr = &data->sense_data[data->length_of_the_sense_data_field]; 2404 scsi_ulto4b(token_len, &ptr[0]); 2405 if (list_copy.res_token_valid) { 2406 scsi_ulto2b(0, &ptr[4]); 2407 memcpy(&ptr[6], list_copy.res_token, sizeof(list_copy.res_token)); 2408 } 2409 /* 2410 printf("RRTI(list=%u) valid=%d\n", 2411 scsi_4btoul(cdb->list_identifier), list_copy.res_token_valid); 2412 */ 2413 ctl_set_success(ctsio); 2414 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED; 2415 ctsio->be_move_done = ctl_config_move_done; 2416 ctl_datamove((union ctl_io *)ctsio); 2417 return (retval); 2418 } 2419 2420 int 2421 ctl_report_all_rod_tokens(struct ctl_scsiio *ctsio) 2422 { 2423 struct ctl_softc *softc = CTL_SOFTC(ctsio); 2424 struct scsi_report_all_rod_tokens *cdb; 2425 struct scsi_report_all_rod_tokens_data *data; 2426 struct tpc_token *token; 2427 int retval; 2428 int alloc_len, total_len, tokens, i; 2429 2430 CTL_DEBUG_PRINT(("ctl_receive_rod_token_information\n")); 2431 2432 cdb = (struct scsi_report_all_rod_tokens *)ctsio->cdb; 2433 retval = CTL_RETVAL_COMPLETE; 2434 2435 tokens = 0; 2436 mtx_lock(&softc->tpc_lock); 2437 TAILQ_FOREACH(token, &softc->tpc_tokens, links) 2438 tokens++; 2439 mtx_unlock(&softc->tpc_lock); 2440 if (tokens > 512) 2441 tokens = 512; 2442 2443 total_len = sizeof(*data) + tokens * 96; 2444 alloc_len = scsi_4btoul(cdb->length); 2445 2446 ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO); 2447 ctsio->kern_sg_entries = 0; 2448 ctsio->kern_rel_offset = 0; 2449 ctsio->kern_data_len = min(total_len, alloc_len); 2450 ctsio->kern_total_len = ctsio->kern_data_len; 2451 2452 data = (struct scsi_report_all_rod_tokens_data *)ctsio->kern_data_ptr; 2453 i = 0; 2454 mtx_lock(&softc->tpc_lock); 2455 TAILQ_FOREACH(token, &softc->tpc_tokens, links) { 2456 if (i >= tokens) 2457 break; 2458 memcpy(&data->rod_management_token_list[i * 96], 2459 token->token, 96); 2460 i++; 2461 } 2462 mtx_unlock(&softc->tpc_lock); 2463 scsi_ulto4b(sizeof(*data) - 4 + i * 96, data->available_data); 2464 /* 2465 printf("RART tokens=%d\n", i); 2466 */ 2467 ctl_set_success(ctsio); 2468 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED; 2469 ctsio->be_move_done = ctl_config_move_done; 2470 ctl_datamove((union ctl_io *)ctsio); 2471 return (retval); 2472 } 2473