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