ctl_tpc.c revision 313367
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: stable/10/sys/cam/ctl/ctl_tpc.c 313367 2017-02-07 01:44:18Z mav $"); 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_util.h> 51#include <cam/ctl/ctl_backend.h> 52#include <cam/ctl/ctl_ioctl.h> 53#include <cam/ctl/ctl_ha.h> 54#include <cam/ctl/ctl_private.h> 55#include <cam/ctl/ctl_debug.h> 56#include <cam/ctl/ctl_scsi_all.h> 57#include <cam/ctl/ctl_tpc.h> 58#include <cam/ctl/ctl_error.h> 59 60#define TPC_MAX_CSCDS 64 61#define TPC_MAX_SEGS 64 62#define TPC_MAX_SEG 0 63#define TPC_MAX_LIST 8192 64#define TPC_MAX_INLINE 0 65#define TPC_MAX_LISTS 255 66#define TPC_MAX_IO_SIZE (1024 * 1024) 67#define TPC_MAX_IOCHUNK_SIZE (TPC_MAX_IO_SIZE * 16) 68#define TPC_MIN_TOKEN_TIMEOUT 1 69#define TPC_DFL_TOKEN_TIMEOUT 60 70#define TPC_MAX_TOKEN_TIMEOUT 600 71 72MALLOC_DEFINE(M_CTL_TPC, "ctltpc", "CTL TPC"); 73 74typedef enum { 75 TPC_ERR_RETRY = 0x000, 76 TPC_ERR_FAIL = 0x001, 77 TPC_ERR_MASK = 0x0ff, 78 TPC_ERR_NO_DECREMENT = 0x100 79} tpc_error_action; 80 81struct tpc_list; 82TAILQ_HEAD(runl, tpc_io); 83struct tpc_io { 84 union ctl_io *io; 85 uint8_t target; 86 uint32_t cscd; 87 uint64_t lun; 88 struct tpc_list *list; 89 struct runl run; 90 TAILQ_ENTRY(tpc_io) rlinks; 91 TAILQ_ENTRY(tpc_io) links; 92}; 93 94struct tpc_token { 95 uint8_t token[512]; 96 uint64_t lun; 97 uint32_t blocksize; 98 uint8_t *params; 99 struct scsi_range_desc *range; 100 int nrange; 101 int active; 102 time_t last_active; 103 uint32_t timeout; 104 TAILQ_ENTRY(tpc_token) links; 105}; 106 107struct tpc_list { 108 uint8_t service_action; 109 int init_port; 110 uint32_t init_idx; 111 uint32_t list_id; 112 uint8_t flags; 113 uint8_t *params; 114 struct scsi_ec_cscd *cscd; 115 struct scsi_ec_segment *seg[TPC_MAX_SEGS]; 116 uint8_t *inl; 117 int ncscd; 118 int nseg; 119 int leninl; 120 struct tpc_token *token; 121 struct scsi_range_desc *range; 122 int nrange; 123 off_t offset_into_rod; 124 125 int curseg; 126 off_t cursectors; 127 off_t curbytes; 128 int curops; 129 int stage; 130 uint8_t *buf; 131 off_t segsectors; 132 off_t segbytes; 133 int tbdio; 134 int error; 135 int abort; 136 int completed; 137 time_t last_active; 138 TAILQ_HEAD(, tpc_io) allio; 139 struct scsi_sense_data fwd_sense_data; 140 uint8_t fwd_sense_len; 141 uint8_t fwd_scsi_status; 142 uint8_t fwd_target; 143 uint16_t fwd_cscd; 144 struct scsi_sense_data sense_data; 145 uint8_t sense_len; 146 uint8_t scsi_status; 147 struct ctl_scsiio *ctsio; 148 struct ctl_lun *lun; 149 int res_token_valid; 150 uint8_t res_token[512]; 151 TAILQ_ENTRY(tpc_list) links; 152}; 153 154static void 155tpc_timeout(void *arg) 156{ 157 struct ctl_softc *softc = arg; 158 struct ctl_lun *lun; 159 struct tpc_token *token, *ttoken; 160 struct tpc_list *list, *tlist; 161 162 /* Free completed lists with expired timeout. */ 163 STAILQ_FOREACH(lun, &softc->lun_list, links) { 164 mtx_lock(&lun->lun_lock); 165 TAILQ_FOREACH_SAFE(list, &lun->tpc_lists, links, tlist) { 166 if (!list->completed || time_uptime < list->last_active + 167 TPC_DFL_TOKEN_TIMEOUT) 168 continue; 169 TAILQ_REMOVE(&lun->tpc_lists, list, links); 170 free(list, M_CTL); 171 } 172 mtx_unlock(&lun->lun_lock); 173 } 174 175 /* Free inactive ROD tokens with expired timeout. */ 176 mtx_lock(&softc->tpc_lock); 177 TAILQ_FOREACH_SAFE(token, &softc->tpc_tokens, links, ttoken) { 178 if (token->active || 179 time_uptime < token->last_active + token->timeout + 1) 180 continue; 181 TAILQ_REMOVE(&softc->tpc_tokens, token, links); 182 free(token->params, M_CTL); 183 free(token, M_CTL); 184 } 185 mtx_unlock(&softc->tpc_lock); 186 callout_schedule(&softc->tpc_timeout, hz); 187} 188 189void 190ctl_tpc_init(struct ctl_softc *softc) 191{ 192 193 mtx_init(&softc->tpc_lock, "CTL TPC mutex", NULL, MTX_DEF); 194 TAILQ_INIT(&softc->tpc_tokens); 195 callout_init_mtx(&softc->tpc_timeout, &softc->ctl_lock, 0); 196 callout_reset(&softc->tpc_timeout, hz, tpc_timeout, softc); 197} 198 199void 200ctl_tpc_shutdown(struct ctl_softc *softc) 201{ 202 struct tpc_token *token; 203 204 callout_drain(&softc->tpc_timeout); 205 206 /* Free ROD tokens. */ 207 mtx_lock(&softc->tpc_lock); 208 while ((token = TAILQ_FIRST(&softc->tpc_tokens)) != NULL) { 209 TAILQ_REMOVE(&softc->tpc_tokens, token, links); 210 free(token->params, M_CTL); 211 free(token, M_CTL); 212 } 213 mtx_unlock(&softc->tpc_lock); 214 mtx_destroy(&softc->tpc_lock); 215} 216 217void 218ctl_tpc_lun_init(struct ctl_lun *lun) 219{ 220 221 TAILQ_INIT(&lun->tpc_lists); 222} 223 224void 225ctl_tpc_lun_shutdown(struct ctl_lun *lun) 226{ 227 struct ctl_softc *softc = lun->ctl_softc; 228 struct tpc_list *list; 229 struct tpc_token *token, *ttoken; 230 231 /* Free lists for this LUN. */ 232 while ((list = TAILQ_FIRST(&lun->tpc_lists)) != NULL) { 233 TAILQ_REMOVE(&lun->tpc_lists, list, links); 234 KASSERT(list->completed, 235 ("Not completed TPC (%p) on shutdown", list)); 236 free(list, M_CTL); 237 } 238 239 /* Free ROD tokens for this LUN. */ 240 mtx_lock(&softc->tpc_lock); 241 TAILQ_FOREACH_SAFE(token, &softc->tpc_tokens, links, ttoken) { 242 if (token->lun != lun->lun || token->active) 243 continue; 244 TAILQ_REMOVE(&softc->tpc_tokens, token, links); 245 free(token->params, M_CTL); 246 free(token, M_CTL); 247 } 248 mtx_unlock(&softc->tpc_lock); 249} 250 251int 252ctl_inquiry_evpd_tpc(struct ctl_scsiio *ctsio, int alloc_len) 253{ 254 struct ctl_lun *lun = CTL_LUN(ctsio); 255 struct scsi_vpd_tpc *tpc_ptr; 256 struct scsi_vpd_tpc_descriptor *d_ptr; 257 struct scsi_vpd_tpc_descriptor_bdrl *bdrl_ptr; 258 struct scsi_vpd_tpc_descriptor_sc *sc_ptr; 259 struct scsi_vpd_tpc_descriptor_sc_descr *scd_ptr; 260 struct scsi_vpd_tpc_descriptor_pd *pd_ptr; 261 struct scsi_vpd_tpc_descriptor_sd *sd_ptr; 262 struct scsi_vpd_tpc_descriptor_sdid *sdid_ptr; 263 struct scsi_vpd_tpc_descriptor_rtf *rtf_ptr; 264 struct scsi_vpd_tpc_descriptor_rtf_block *rtfb_ptr; 265 struct scsi_vpd_tpc_descriptor_srt *srt_ptr; 266 struct scsi_vpd_tpc_descriptor_srtd *srtd_ptr; 267 struct scsi_vpd_tpc_descriptor_gco *gco_ptr; 268 int data_len; 269 270 data_len = sizeof(struct scsi_vpd_tpc) + 271 sizeof(struct scsi_vpd_tpc_descriptor_bdrl) + 272 roundup2(sizeof(struct scsi_vpd_tpc_descriptor_sc) + 273 2 * sizeof(struct scsi_vpd_tpc_descriptor_sc_descr) + 11, 4) + 274 sizeof(struct scsi_vpd_tpc_descriptor_pd) + 275 roundup2(sizeof(struct scsi_vpd_tpc_descriptor_sd) + 4, 4) + 276 roundup2(sizeof(struct scsi_vpd_tpc_descriptor_sdid) + 2, 4) + 277 sizeof(struct scsi_vpd_tpc_descriptor_rtf) + 278 sizeof(struct scsi_vpd_tpc_descriptor_rtf_block) + 279 sizeof(struct scsi_vpd_tpc_descriptor_srt) + 280 2*sizeof(struct scsi_vpd_tpc_descriptor_srtd) + 281 sizeof(struct scsi_vpd_tpc_descriptor_gco); 282 283 ctsio->kern_data_ptr = malloc(data_len, M_CTL, M_WAITOK | M_ZERO); 284 tpc_ptr = (struct scsi_vpd_tpc *)ctsio->kern_data_ptr; 285 ctsio->kern_rel_offset = 0; 286 ctsio->kern_sg_entries = 0; 287 ctsio->kern_data_len = min(data_len, alloc_len); 288 ctsio->kern_total_len = ctsio->kern_data_len; 289 290 /* 291 * The control device is always connected. The disk device, on the 292 * other hand, may not be online all the time. 293 */ 294 if (lun != NULL) 295 tpc_ptr->device = (SID_QUAL_LU_CONNECTED << 5) | 296 lun->be_lun->lun_type; 297 else 298 tpc_ptr->device = (SID_QUAL_LU_OFFLINE << 5) | T_DIRECT; 299 tpc_ptr->page_code = SVPD_SCSI_TPC; 300 scsi_ulto2b(data_len - 4, tpc_ptr->page_length); 301 302 /* Block Device ROD Limits */ 303 d_ptr = (struct scsi_vpd_tpc_descriptor *)&tpc_ptr->descr[0]; 304 bdrl_ptr = (struct scsi_vpd_tpc_descriptor_bdrl *)d_ptr; 305 scsi_ulto2b(SVPD_TPC_BDRL, bdrl_ptr->desc_type); 306 scsi_ulto2b(sizeof(*bdrl_ptr) - 4, bdrl_ptr->desc_length); 307 scsi_ulto2b(TPC_MAX_SEGS, bdrl_ptr->maximum_ranges); 308 scsi_ulto4b(TPC_MAX_TOKEN_TIMEOUT, 309 bdrl_ptr->maximum_inactivity_timeout); 310 scsi_ulto4b(TPC_DFL_TOKEN_TIMEOUT, 311 bdrl_ptr->default_inactivity_timeout); 312 scsi_u64to8b(0, bdrl_ptr->maximum_token_transfer_size); 313 scsi_u64to8b(0, bdrl_ptr->optimal_transfer_count); 314 315 /* Supported commands */ 316 d_ptr = (struct scsi_vpd_tpc_descriptor *) 317 (&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length)); 318 sc_ptr = (struct scsi_vpd_tpc_descriptor_sc *)d_ptr; 319 scsi_ulto2b(SVPD_TPC_SC, sc_ptr->desc_type); 320 sc_ptr->list_length = 2 * sizeof(*scd_ptr) + 11; 321 scsi_ulto2b(roundup2(1 + sc_ptr->list_length, 4), sc_ptr->desc_length); 322 scd_ptr = &sc_ptr->descr[0]; 323 scd_ptr->opcode = EXTENDED_COPY; 324 scd_ptr->sa_length = 5; 325 scd_ptr->supported_service_actions[0] = EC_EC_LID1; 326 scd_ptr->supported_service_actions[1] = EC_EC_LID4; 327 scd_ptr->supported_service_actions[2] = EC_PT; 328 scd_ptr->supported_service_actions[3] = EC_WUT; 329 scd_ptr->supported_service_actions[4] = EC_COA; 330 scd_ptr = (struct scsi_vpd_tpc_descriptor_sc_descr *) 331 &scd_ptr->supported_service_actions[scd_ptr->sa_length]; 332 scd_ptr->opcode = RECEIVE_COPY_STATUS; 333 scd_ptr->sa_length = 6; 334 scd_ptr->supported_service_actions[0] = RCS_RCS_LID1; 335 scd_ptr->supported_service_actions[1] = RCS_RCFD; 336 scd_ptr->supported_service_actions[2] = RCS_RCS_LID4; 337 scd_ptr->supported_service_actions[3] = RCS_RCOP; 338 scd_ptr->supported_service_actions[4] = RCS_RRTI; 339 scd_ptr->supported_service_actions[5] = RCS_RART; 340 341 /* Parameter data. */ 342 d_ptr = (struct scsi_vpd_tpc_descriptor *) 343 (&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length)); 344 pd_ptr = (struct scsi_vpd_tpc_descriptor_pd *)d_ptr; 345 scsi_ulto2b(SVPD_TPC_PD, pd_ptr->desc_type); 346 scsi_ulto2b(sizeof(*pd_ptr) - 4, pd_ptr->desc_length); 347 scsi_ulto2b(TPC_MAX_CSCDS, pd_ptr->maximum_cscd_descriptor_count); 348 scsi_ulto2b(TPC_MAX_SEGS, pd_ptr->maximum_segment_descriptor_count); 349 scsi_ulto4b(TPC_MAX_LIST, pd_ptr->maximum_descriptor_list_length); 350 scsi_ulto4b(TPC_MAX_INLINE, pd_ptr->maximum_inline_data_length); 351 352 /* Supported Descriptors */ 353 d_ptr = (struct scsi_vpd_tpc_descriptor *) 354 (&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length)); 355 sd_ptr = (struct scsi_vpd_tpc_descriptor_sd *)d_ptr; 356 scsi_ulto2b(SVPD_TPC_SD, sd_ptr->desc_type); 357 scsi_ulto2b(roundup2(sizeof(*sd_ptr) - 4 + 4, 4), sd_ptr->desc_length); 358 sd_ptr->list_length = 4; 359 sd_ptr->supported_descriptor_codes[0] = EC_SEG_B2B; 360 sd_ptr->supported_descriptor_codes[1] = EC_SEG_VERIFY; 361 sd_ptr->supported_descriptor_codes[2] = EC_SEG_REGISTER_KEY; 362 sd_ptr->supported_descriptor_codes[3] = EC_CSCD_ID; 363 364 /* Supported CSCD Descriptor IDs */ 365 d_ptr = (struct scsi_vpd_tpc_descriptor *) 366 (&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length)); 367 sdid_ptr = (struct scsi_vpd_tpc_descriptor_sdid *)d_ptr; 368 scsi_ulto2b(SVPD_TPC_SDID, sdid_ptr->desc_type); 369 scsi_ulto2b(roundup2(sizeof(*sdid_ptr) - 4 + 2, 4), sdid_ptr->desc_length); 370 scsi_ulto2b(2, sdid_ptr->list_length); 371 scsi_ulto2b(0xffff, &sdid_ptr->supported_descriptor_ids[0]); 372 373 /* ROD Token Features */ 374 d_ptr = (struct scsi_vpd_tpc_descriptor *) 375 (&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length)); 376 rtf_ptr = (struct scsi_vpd_tpc_descriptor_rtf *)d_ptr; 377 scsi_ulto2b(SVPD_TPC_RTF, rtf_ptr->desc_type); 378 scsi_ulto2b(sizeof(*rtf_ptr) - 4 + sizeof(*rtfb_ptr), rtf_ptr->desc_length); 379 rtf_ptr->remote_tokens = 0; 380 scsi_ulto4b(TPC_MIN_TOKEN_TIMEOUT, rtf_ptr->minimum_token_lifetime); 381 scsi_ulto4b(UINT32_MAX, rtf_ptr->maximum_token_lifetime); 382 scsi_ulto4b(TPC_MAX_TOKEN_TIMEOUT, 383 rtf_ptr->maximum_token_inactivity_timeout); 384 scsi_ulto2b(sizeof(*rtfb_ptr), rtf_ptr->type_specific_features_length); 385 rtfb_ptr = (struct scsi_vpd_tpc_descriptor_rtf_block *) 386 &rtf_ptr->type_specific_features; 387 rtfb_ptr->type_format = SVPD_TPC_RTF_BLOCK; 388 scsi_ulto2b(sizeof(*rtfb_ptr) - 4, rtfb_ptr->desc_length); 389 scsi_ulto2b(0, rtfb_ptr->optimal_length_granularity); 390 scsi_u64to8b(0, rtfb_ptr->maximum_bytes); 391 scsi_u64to8b(0, rtfb_ptr->optimal_bytes); 392 scsi_u64to8b(UINT64_MAX, rtfb_ptr->optimal_bytes_to_token_per_segment); 393 scsi_u64to8b(TPC_MAX_IOCHUNK_SIZE, 394 rtfb_ptr->optimal_bytes_from_token_per_segment); 395 396 /* Supported ROD Tokens */ 397 d_ptr = (struct scsi_vpd_tpc_descriptor *) 398 (&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length)); 399 srt_ptr = (struct scsi_vpd_tpc_descriptor_srt *)d_ptr; 400 scsi_ulto2b(SVPD_TPC_SRT, srt_ptr->desc_type); 401 scsi_ulto2b(sizeof(*srt_ptr) - 4 + 2*sizeof(*srtd_ptr), srt_ptr->desc_length); 402 scsi_ulto2b(2*sizeof(*srtd_ptr), srt_ptr->rod_type_descriptors_length); 403 srtd_ptr = (struct scsi_vpd_tpc_descriptor_srtd *) 404 &srt_ptr->rod_type_descriptors; 405 scsi_ulto4b(ROD_TYPE_AUR, srtd_ptr->rod_type); 406 srtd_ptr->flags = SVPD_TPC_SRTD_TIN | SVPD_TPC_SRTD_TOUT; 407 scsi_ulto2b(0, srtd_ptr->preference_indicator); 408 srtd_ptr++; 409 scsi_ulto4b(ROD_TYPE_BLOCK_ZERO, srtd_ptr->rod_type); 410 srtd_ptr->flags = SVPD_TPC_SRTD_TIN; 411 scsi_ulto2b(0, srtd_ptr->preference_indicator); 412 413 /* General Copy Operations */ 414 d_ptr = (struct scsi_vpd_tpc_descriptor *) 415 (&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length)); 416 gco_ptr = (struct scsi_vpd_tpc_descriptor_gco *)d_ptr; 417 scsi_ulto2b(SVPD_TPC_GCO, gco_ptr->desc_type); 418 scsi_ulto2b(sizeof(*gco_ptr) - 4, gco_ptr->desc_length); 419 scsi_ulto4b(TPC_MAX_LISTS, gco_ptr->total_concurrent_copies); 420 scsi_ulto4b(TPC_MAX_LISTS, gco_ptr->maximum_identified_concurrent_copies); 421 scsi_ulto4b(TPC_MAX_SEG, gco_ptr->maximum_segment_length); 422 gco_ptr->data_segment_granularity = 0; 423 gco_ptr->inline_data_granularity = 0; 424 425 ctl_set_success(ctsio); 426 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED; 427 ctsio->be_move_done = ctl_config_move_done; 428 ctl_datamove((union ctl_io *)ctsio); 429 430 return (CTL_RETVAL_COMPLETE); 431} 432 433int 434ctl_receive_copy_operating_parameters(struct ctl_scsiio *ctsio) 435{ 436 struct scsi_receive_copy_operating_parameters *cdb; 437 struct scsi_receive_copy_operating_parameters_data *data; 438 int retval; 439 int alloc_len, total_len; 440 441 CTL_DEBUG_PRINT(("ctl_report_supported_tmf\n")); 442 443 cdb = (struct scsi_receive_copy_operating_parameters *)ctsio->cdb; 444 445 retval = CTL_RETVAL_COMPLETE; 446 447 total_len = sizeof(*data) + 4; 448 alloc_len = scsi_4btoul(cdb->length); 449 450 ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO); 451 ctsio->kern_sg_entries = 0; 452 ctsio->kern_rel_offset = 0; 453 ctsio->kern_data_len = min(total_len, alloc_len); 454 ctsio->kern_total_len = ctsio->kern_data_len; 455 456 data = (struct scsi_receive_copy_operating_parameters_data *)ctsio->kern_data_ptr; 457 scsi_ulto4b(sizeof(*data) - 4 + 4, data->length); 458 data->snlid = RCOP_SNLID; 459 scsi_ulto2b(TPC_MAX_CSCDS, data->maximum_cscd_descriptor_count); 460 scsi_ulto2b(TPC_MAX_SEGS, data->maximum_segment_descriptor_count); 461 scsi_ulto4b(TPC_MAX_LIST, data->maximum_descriptor_list_length); 462 scsi_ulto4b(TPC_MAX_SEG, data->maximum_segment_length); 463 scsi_ulto4b(TPC_MAX_INLINE, data->maximum_inline_data_length); 464 scsi_ulto4b(0, data->held_data_limit); 465 scsi_ulto4b(0, data->maximum_stream_device_transfer_size); 466 scsi_ulto2b(TPC_MAX_LISTS, data->total_concurrent_copies); 467 data->maximum_concurrent_copies = TPC_MAX_LISTS; 468 data->data_segment_granularity = 0; 469 data->inline_data_granularity = 0; 470 data->held_data_granularity = 0; 471 data->implemented_descriptor_list_length = 4; 472 data->list_of_implemented_descriptor_type_codes[0] = EC_SEG_B2B; 473 data->list_of_implemented_descriptor_type_codes[1] = EC_SEG_VERIFY; 474 data->list_of_implemented_descriptor_type_codes[2] = EC_SEG_REGISTER_KEY; 475 data->list_of_implemented_descriptor_type_codes[3] = EC_CSCD_ID; 476 477 ctl_set_success(ctsio); 478 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED; 479 ctsio->be_move_done = ctl_config_move_done; 480 ctl_datamove((union ctl_io *)ctsio); 481 return (retval); 482} 483 484static struct tpc_list * 485tpc_find_list(struct ctl_lun *lun, uint32_t list_id, uint32_t init_idx) 486{ 487 struct tpc_list *list; 488 489 mtx_assert(&lun->lun_lock, MA_OWNED); 490 TAILQ_FOREACH(list, &lun->tpc_lists, links) { 491 if ((list->flags & EC_LIST_ID_USAGE_MASK) != 492 EC_LIST_ID_USAGE_NONE && list->list_id == list_id && 493 list->init_idx == init_idx) 494 break; 495 } 496 return (list); 497} 498 499int 500ctl_receive_copy_status_lid1(struct ctl_scsiio *ctsio) 501{ 502 struct ctl_lun *lun = CTL_LUN(ctsio); 503 struct scsi_receive_copy_status_lid1 *cdb; 504 struct scsi_receive_copy_status_lid1_data *data; 505 struct tpc_list *list; 506 struct tpc_list list_copy; 507 int retval; 508 int alloc_len, total_len; 509 uint32_t list_id; 510 511 CTL_DEBUG_PRINT(("ctl_receive_copy_status_lid1\n")); 512 513 cdb = (struct scsi_receive_copy_status_lid1 *)ctsio->cdb; 514 retval = CTL_RETVAL_COMPLETE; 515 516 list_id = cdb->list_identifier; 517 mtx_lock(&lun->lun_lock); 518 list = tpc_find_list(lun, list_id, 519 ctl_get_initindex(&ctsio->io_hdr.nexus)); 520 if (list == NULL) { 521 mtx_unlock(&lun->lun_lock); 522 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, 523 /*command*/ 1, /*field*/ 2, /*bit_valid*/ 0, 524 /*bit*/ 0); 525 ctl_done((union ctl_io *)ctsio); 526 return (retval); 527 } 528 list_copy = *list; 529 if (list->completed) { 530 TAILQ_REMOVE(&lun->tpc_lists, list, links); 531 free(list, M_CTL); 532 } 533 mtx_unlock(&lun->lun_lock); 534 535 total_len = sizeof(*data); 536 alloc_len = scsi_4btoul(cdb->length); 537 538 ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO); 539 ctsio->kern_sg_entries = 0; 540 ctsio->kern_rel_offset = 0; 541 ctsio->kern_data_len = min(total_len, alloc_len); 542 ctsio->kern_total_len = ctsio->kern_data_len; 543 544 data = (struct scsi_receive_copy_status_lid1_data *)ctsio->kern_data_ptr; 545 scsi_ulto4b(sizeof(*data) - 4, data->available_data); 546 if (list_copy.completed) { 547 if (list_copy.error || list_copy.abort) 548 data->copy_command_status = RCS_CCS_ERROR; 549 else 550 data->copy_command_status = RCS_CCS_COMPLETED; 551 } else 552 data->copy_command_status = RCS_CCS_INPROG; 553 scsi_ulto2b(list_copy.curseg, data->segments_processed); 554 if (list_copy.curbytes <= UINT32_MAX) { 555 data->transfer_count_units = RCS_TC_BYTES; 556 scsi_ulto4b(list_copy.curbytes, data->transfer_count); 557 } else { 558 data->transfer_count_units = RCS_TC_MBYTES; 559 scsi_ulto4b(list_copy.curbytes >> 20, data->transfer_count); 560 } 561 562 ctl_set_success(ctsio); 563 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED; 564 ctsio->be_move_done = ctl_config_move_done; 565 ctl_datamove((union ctl_io *)ctsio); 566 return (retval); 567} 568 569int 570ctl_receive_copy_failure_details(struct ctl_scsiio *ctsio) 571{ 572 struct ctl_lun *lun = CTL_LUN(ctsio); 573 struct scsi_receive_copy_failure_details *cdb; 574 struct scsi_receive_copy_failure_details_data *data; 575 struct tpc_list *list; 576 struct tpc_list list_copy; 577 int retval; 578 int alloc_len, total_len; 579 uint32_t list_id; 580 581 CTL_DEBUG_PRINT(("ctl_receive_copy_failure_details\n")); 582 583 cdb = (struct scsi_receive_copy_failure_details *)ctsio->cdb; 584 retval = CTL_RETVAL_COMPLETE; 585 586 list_id = cdb->list_identifier; 587 mtx_lock(&lun->lun_lock); 588 list = tpc_find_list(lun, list_id, 589 ctl_get_initindex(&ctsio->io_hdr.nexus)); 590 if (list == NULL || !list->completed) { 591 mtx_unlock(&lun->lun_lock); 592 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, 593 /*command*/ 1, /*field*/ 2, /*bit_valid*/ 0, 594 /*bit*/ 0); 595 ctl_done((union ctl_io *)ctsio); 596 return (retval); 597 } 598 list_copy = *list; 599 TAILQ_REMOVE(&lun->tpc_lists, list, links); 600 free(list, M_CTL); 601 mtx_unlock(&lun->lun_lock); 602 603 total_len = sizeof(*data) + list_copy.sense_len; 604 alloc_len = scsi_4btoul(cdb->length); 605 606 ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO); 607 ctsio->kern_sg_entries = 0; 608 ctsio->kern_rel_offset = 0; 609 ctsio->kern_data_len = min(total_len, alloc_len); 610 ctsio->kern_total_len = ctsio->kern_data_len; 611 612 data = (struct scsi_receive_copy_failure_details_data *)ctsio->kern_data_ptr; 613 if (list_copy.completed && (list_copy.error || list_copy.abort)) { 614 scsi_ulto4b(sizeof(*data) - 4 + list_copy.sense_len, 615 data->available_data); 616 data->copy_command_status = RCS_CCS_ERROR; 617 } else 618 scsi_ulto4b(0, data->available_data); 619 scsi_ulto2b(list_copy.sense_len, data->sense_data_length); 620 memcpy(data->sense_data, &list_copy.sense_data, list_copy.sense_len); 621 622 ctl_set_success(ctsio); 623 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED; 624 ctsio->be_move_done = ctl_config_move_done; 625 ctl_datamove((union ctl_io *)ctsio); 626 return (retval); 627} 628 629int 630ctl_receive_copy_status_lid4(struct ctl_scsiio *ctsio) 631{ 632 struct ctl_lun *lun = CTL_LUN(ctsio); 633 struct scsi_receive_copy_status_lid4 *cdb; 634 struct scsi_receive_copy_status_lid4_data *data; 635 struct tpc_list *list; 636 struct tpc_list list_copy; 637 int retval; 638 int alloc_len, total_len; 639 uint32_t list_id; 640 641 CTL_DEBUG_PRINT(("ctl_receive_copy_status_lid4\n")); 642 643 cdb = (struct scsi_receive_copy_status_lid4 *)ctsio->cdb; 644 retval = CTL_RETVAL_COMPLETE; 645 646 list_id = scsi_4btoul(cdb->list_identifier); 647 mtx_lock(&lun->lun_lock); 648 list = tpc_find_list(lun, list_id, 649 ctl_get_initindex(&ctsio->io_hdr.nexus)); 650 if (list == NULL) { 651 mtx_unlock(&lun->lun_lock); 652 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, 653 /*command*/ 1, /*field*/ 2, /*bit_valid*/ 0, 654 /*bit*/ 0); 655 ctl_done((union ctl_io *)ctsio); 656 return (retval); 657 } 658 list_copy = *list; 659 if (list->completed) { 660 TAILQ_REMOVE(&lun->tpc_lists, list, links); 661 free(list, M_CTL); 662 } 663 mtx_unlock(&lun->lun_lock); 664 665 total_len = sizeof(*data) + list_copy.sense_len; 666 alloc_len = scsi_4btoul(cdb->length); 667 668 ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO); 669 ctsio->kern_sg_entries = 0; 670 ctsio->kern_rel_offset = 0; 671 ctsio->kern_data_len = min(total_len, alloc_len); 672 ctsio->kern_total_len = ctsio->kern_data_len; 673 674 data = (struct scsi_receive_copy_status_lid4_data *)ctsio->kern_data_ptr; 675 scsi_ulto4b(sizeof(*data) - 4 + list_copy.sense_len, 676 data->available_data); 677 data->response_to_service_action = list_copy.service_action; 678 if (list_copy.completed) { 679 if (list_copy.error) 680 data->copy_command_status = RCS_CCS_ERROR; 681 else if (list_copy.abort) 682 data->copy_command_status = RCS_CCS_ABORTED; 683 else 684 data->copy_command_status = RCS_CCS_COMPLETED; 685 } else 686 data->copy_command_status = RCS_CCS_INPROG_FG; 687 scsi_ulto2b(list_copy.curops, data->operation_counter); 688 scsi_ulto4b(UINT32_MAX, data->estimated_status_update_delay); 689 data->transfer_count_units = RCS_TC_BYTES; 690 scsi_u64to8b(list_copy.curbytes, data->transfer_count); 691 scsi_ulto2b(list_copy.curseg, data->segments_processed); 692 data->length_of_the_sense_data_field = list_copy.sense_len; 693 data->sense_data_length = list_copy.sense_len; 694 memcpy(data->sense_data, &list_copy.sense_data, list_copy.sense_len); 695 696 ctl_set_success(ctsio); 697 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED; 698 ctsio->be_move_done = ctl_config_move_done; 699 ctl_datamove((union ctl_io *)ctsio); 700 return (retval); 701} 702 703int 704ctl_copy_operation_abort(struct ctl_scsiio *ctsio) 705{ 706 struct ctl_lun *lun = CTL_LUN(ctsio); 707 struct scsi_copy_operation_abort *cdb; 708 struct tpc_list *list; 709 int retval; 710 uint32_t list_id; 711 712 CTL_DEBUG_PRINT(("ctl_copy_operation_abort\n")); 713 714 cdb = (struct scsi_copy_operation_abort *)ctsio->cdb; 715 retval = CTL_RETVAL_COMPLETE; 716 717 list_id = scsi_4btoul(cdb->list_identifier); 718 mtx_lock(&lun->lun_lock); 719 list = tpc_find_list(lun, list_id, 720 ctl_get_initindex(&ctsio->io_hdr.nexus)); 721 if (list == NULL) { 722 mtx_unlock(&lun->lun_lock); 723 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, 724 /*command*/ 1, /*field*/ 2, /*bit_valid*/ 0, 725 /*bit*/ 0); 726 ctl_done((union ctl_io *)ctsio); 727 return (retval); 728 } 729 list->abort = 1; 730 mtx_unlock(&lun->lun_lock); 731 732 ctl_set_success(ctsio); 733 ctl_done((union ctl_io *)ctsio); 734 return (retval); 735} 736 737static uint64_t 738tpc_resolve(struct tpc_list *list, uint16_t idx, uint32_t *ss, 739 uint32_t *pb, uint32_t *pbo) 740{ 741 742 if (idx == 0xffff) { 743 if (ss && list->lun->be_lun) 744 *ss = list->lun->be_lun->blocksize; 745 if (pb && list->lun->be_lun) 746 *pb = list->lun->be_lun->blocksize << 747 list->lun->be_lun->pblockexp; 748 if (pbo && list->lun->be_lun) 749 *pbo = list->lun->be_lun->blocksize * 750 list->lun->be_lun->pblockoff; 751 return (list->lun->lun); 752 } 753 if (idx >= list->ncscd) 754 return (UINT64_MAX); 755 return (tpcl_resolve(list->lun->ctl_softc, 756 list->init_port, &list->cscd[idx], ss, pb, pbo)); 757} 758 759static void 760tpc_set_io_error_sense(struct tpc_list *list) 761{ 762 int flen; 763 uint8_t csi[4]; 764 uint8_t sks[3]; 765 uint8_t fbuf[4 + 64]; 766 767 scsi_ulto4b(list->curseg, csi); 768 if (list->fwd_cscd <= 0x07ff) { 769 sks[0] = SSD_SKS_SEGMENT_VALID; 770 scsi_ulto2b((uint8_t *)&list->cscd[list->fwd_cscd] - 771 list->params, &sks[1]); 772 } else 773 sks[0] = 0; 774 if (list->fwd_scsi_status) { 775 fbuf[0] = 0x0c; 776 fbuf[2] = list->fwd_target; 777 flen = list->fwd_sense_len; 778 if (flen > 64) { 779 flen = 64; 780 fbuf[2] |= SSD_FORWARDED_FSDT; 781 } 782 fbuf[1] = 2 + flen; 783 fbuf[3] = list->fwd_scsi_status; 784 bcopy(&list->fwd_sense_data, &fbuf[4], flen); 785 flen += 4; 786 } else 787 flen = 0; 788 ctl_set_sense(list->ctsio, /*current_error*/ 1, 789 /*sense_key*/ SSD_KEY_COPY_ABORTED, 790 /*asc*/ 0x0d, /*ascq*/ 0x01, 791 SSD_ELEM_COMMAND, sizeof(csi), csi, 792 sks[0] ? SSD_ELEM_SKS : SSD_ELEM_SKIP, sizeof(sks), sks, 793 flen ? SSD_ELEM_DESC : SSD_ELEM_SKIP, flen, fbuf, 794 SSD_ELEM_NONE); 795} 796 797static int 798tpc_process_b2b(struct tpc_list *list) 799{ 800 struct scsi_ec_segment_b2b *seg; 801 struct scsi_ec_cscd_dtsp *sdstp, *ddstp; 802 struct tpc_io *tior, *tiow; 803 struct runl run; 804 uint64_t sl, dl; 805 off_t srclba, dstlba, numbytes, donebytes, roundbytes; 806 int numlba; 807 uint32_t srcblock, dstblock, pb, pbo, adj; 808 uint16_t scscd, dcscd; 809 uint8_t csi[4]; 810 811 scsi_ulto4b(list->curseg, csi); 812 if (list->stage == 1) { 813 while ((tior = TAILQ_FIRST(&list->allio)) != NULL) { 814 TAILQ_REMOVE(&list->allio, tior, links); 815 ctl_free_io(tior->io); 816 free(tior, M_CTL); 817 } 818 free(list->buf, M_CTL); 819 if (list->abort) { 820 ctl_set_task_aborted(list->ctsio); 821 return (CTL_RETVAL_ERROR); 822 } else if (list->error) { 823 tpc_set_io_error_sense(list); 824 return (CTL_RETVAL_ERROR); 825 } 826 list->cursectors += list->segsectors; 827 list->curbytes += list->segbytes; 828 return (CTL_RETVAL_COMPLETE); 829 } 830 831 TAILQ_INIT(&list->allio); 832 seg = (struct scsi_ec_segment_b2b *)list->seg[list->curseg]; 833 scscd = scsi_2btoul(seg->src_cscd); 834 dcscd = scsi_2btoul(seg->dst_cscd); 835 sl = tpc_resolve(list, scscd, &srcblock, NULL, NULL); 836 dl = tpc_resolve(list, dcscd, &dstblock, &pb, &pbo); 837 if (sl == UINT64_MAX || dl == UINT64_MAX) { 838 ctl_set_sense(list->ctsio, /*current_error*/ 1, 839 /*sense_key*/ SSD_KEY_COPY_ABORTED, 840 /*asc*/ 0x08, /*ascq*/ 0x04, 841 SSD_ELEM_COMMAND, sizeof(csi), csi, 842 SSD_ELEM_NONE); 843 return (CTL_RETVAL_ERROR); 844 } 845 if (pbo > 0) 846 pbo = pb - pbo; 847 sdstp = &list->cscd[scscd].dtsp; 848 if (scsi_3btoul(sdstp->block_length) != 0) 849 srcblock = scsi_3btoul(sdstp->block_length); 850 ddstp = &list->cscd[dcscd].dtsp; 851 if (scsi_3btoul(ddstp->block_length) != 0) 852 dstblock = scsi_3btoul(ddstp->block_length); 853 numlba = scsi_2btoul(seg->number_of_blocks); 854 if (seg->flags & EC_SEG_DC) 855 numbytes = (off_t)numlba * dstblock; 856 else 857 numbytes = (off_t)numlba * srcblock; 858 srclba = scsi_8btou64(seg->src_lba); 859 dstlba = scsi_8btou64(seg->dst_lba); 860 861// printf("Copy %ju bytes from %ju @ %ju to %ju @ %ju\n", 862// (uintmax_t)numbytes, sl, scsi_8btou64(seg->src_lba), 863// dl, scsi_8btou64(seg->dst_lba)); 864 865 if (numbytes == 0) 866 return (CTL_RETVAL_COMPLETE); 867 868 if (numbytes % srcblock != 0 || numbytes % dstblock != 0) { 869 ctl_set_sense(list->ctsio, /*current_error*/ 1, 870 /*sense_key*/ SSD_KEY_COPY_ABORTED, 871 /*asc*/ 0x26, /*ascq*/ 0x0A, 872 SSD_ELEM_COMMAND, sizeof(csi), csi, 873 SSD_ELEM_NONE); 874 return (CTL_RETVAL_ERROR); 875 } 876 877 list->buf = malloc(numbytes, M_CTL, M_WAITOK); 878 list->segbytes = numbytes; 879 list->segsectors = numbytes / dstblock; 880 donebytes = 0; 881 TAILQ_INIT(&run); 882 list->tbdio = 0; 883 while (donebytes < numbytes) { 884 roundbytes = numbytes - donebytes; 885 if (roundbytes > TPC_MAX_IO_SIZE) { 886 roundbytes = TPC_MAX_IO_SIZE; 887 roundbytes -= roundbytes % dstblock; 888 if (pb > dstblock) { 889 adj = (dstlba * dstblock + roundbytes - pbo) % pb; 890 if (roundbytes > adj) 891 roundbytes -= adj; 892 } 893 } 894 895 tior = malloc(sizeof(*tior), M_CTL, M_WAITOK | M_ZERO); 896 TAILQ_INIT(&tior->run); 897 tior->list = list; 898 TAILQ_INSERT_TAIL(&list->allio, tior, links); 899 tior->io = tpcl_alloc_io(); 900 ctl_scsi_read_write(tior->io, 901 /*data_ptr*/ &list->buf[donebytes], 902 /*data_len*/ roundbytes, 903 /*read_op*/ 1, 904 /*byte2*/ 0, 905 /*minimum_cdb_size*/ 0, 906 /*lba*/ srclba, 907 /*num_blocks*/ roundbytes / srcblock, 908 /*tag_type*/ CTL_TAG_SIMPLE, 909 /*control*/ 0); 910 tior->io->io_hdr.retries = 3; 911 tior->target = SSD_FORWARDED_SDS_EXSRC; 912 tior->cscd = scscd; 913 tior->lun = sl; 914 tior->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tior; 915 916 tiow = malloc(sizeof(*tior), M_CTL, M_WAITOK | M_ZERO); 917 TAILQ_INIT(&tiow->run); 918 tiow->list = list; 919 TAILQ_INSERT_TAIL(&list->allio, tiow, links); 920 tiow->io = tpcl_alloc_io(); 921 ctl_scsi_read_write(tiow->io, 922 /*data_ptr*/ &list->buf[donebytes], 923 /*data_len*/ roundbytes, 924 /*read_op*/ 0, 925 /*byte2*/ 0, 926 /*minimum_cdb_size*/ 0, 927 /*lba*/ dstlba, 928 /*num_blocks*/ roundbytes / dstblock, 929 /*tag_type*/ CTL_TAG_SIMPLE, 930 /*control*/ 0); 931 tiow->io->io_hdr.retries = 3; 932 tiow->target = SSD_FORWARDED_SDS_EXDST; 933 tiow->cscd = dcscd; 934 tiow->lun = dl; 935 tiow->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tiow; 936 937 TAILQ_INSERT_TAIL(&tior->run, tiow, rlinks); 938 TAILQ_INSERT_TAIL(&run, tior, rlinks); 939 list->tbdio++; 940 donebytes += roundbytes; 941 srclba += roundbytes / srcblock; 942 dstlba += roundbytes / dstblock; 943 } 944 945 while ((tior = TAILQ_FIRST(&run)) != NULL) { 946 TAILQ_REMOVE(&run, tior, rlinks); 947 if (tpcl_queue(tior->io, tior->lun) != CTL_RETVAL_COMPLETE) 948 panic("tpcl_queue() error"); 949 } 950 951 list->stage++; 952 return (CTL_RETVAL_QUEUED); 953} 954 955static int 956tpc_process_verify(struct tpc_list *list) 957{ 958 struct scsi_ec_segment_verify *seg; 959 struct tpc_io *tio; 960 uint64_t sl; 961 uint16_t cscd; 962 uint8_t csi[4]; 963 964 scsi_ulto4b(list->curseg, csi); 965 if (list->stage == 1) { 966 while ((tio = TAILQ_FIRST(&list->allio)) != NULL) { 967 TAILQ_REMOVE(&list->allio, tio, links); 968 ctl_free_io(tio->io); 969 free(tio, M_CTL); 970 } 971 if (list->abort) { 972 ctl_set_task_aborted(list->ctsio); 973 return (CTL_RETVAL_ERROR); 974 } else if (list->error) { 975 tpc_set_io_error_sense(list); 976 return (CTL_RETVAL_ERROR); 977 } else 978 return (CTL_RETVAL_COMPLETE); 979 } 980 981 TAILQ_INIT(&list->allio); 982 seg = (struct scsi_ec_segment_verify *)list->seg[list->curseg]; 983 cscd = scsi_2btoul(seg->src_cscd); 984 sl = tpc_resolve(list, cscd, NULL, NULL, NULL); 985 if (sl == UINT64_MAX) { 986 ctl_set_sense(list->ctsio, /*current_error*/ 1, 987 /*sense_key*/ SSD_KEY_COPY_ABORTED, 988 /*asc*/ 0x08, /*ascq*/ 0x04, 989 SSD_ELEM_COMMAND, sizeof(csi), csi, 990 SSD_ELEM_NONE); 991 return (CTL_RETVAL_ERROR); 992 } 993 994// printf("Verify %ju\n", sl); 995 996 if ((seg->tur & 0x01) == 0) 997 return (CTL_RETVAL_COMPLETE); 998 999 list->tbdio = 1; 1000 tio = malloc(sizeof(*tio), M_CTL, M_WAITOK | M_ZERO); 1001 TAILQ_INIT(&tio->run); 1002 tio->list = list; 1003 TAILQ_INSERT_TAIL(&list->allio, tio, links); 1004 tio->io = tpcl_alloc_io(); 1005 ctl_scsi_tur(tio->io, /*tag_type*/ CTL_TAG_SIMPLE, /*control*/ 0); 1006 tio->io->io_hdr.retries = 3; 1007 tio->target = SSD_FORWARDED_SDS_EXSRC; 1008 tio->cscd = cscd; 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 1017static int 1018tpc_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 uint16_t cscd; 1025 uint8_t csi[4]; 1026 1027 scsi_ulto4b(list->curseg, csi); 1028 if (list->stage == 1) { 1029 while ((tio = TAILQ_FIRST(&list->allio)) != NULL) { 1030 TAILQ_REMOVE(&list->allio, tio, links); 1031 ctl_free_io(tio->io); 1032 free(tio, M_CTL); 1033 } 1034 free(list->buf, M_CTL); 1035 if (list->abort) { 1036 ctl_set_task_aborted(list->ctsio); 1037 return (CTL_RETVAL_ERROR); 1038 } else if (list->error) { 1039 tpc_set_io_error_sense(list); 1040 return (CTL_RETVAL_ERROR); 1041 } else 1042 return (CTL_RETVAL_COMPLETE); 1043 } 1044 1045 TAILQ_INIT(&list->allio); 1046 seg = (struct scsi_ec_segment_register_key *)list->seg[list->curseg]; 1047 cscd = scsi_2btoul(seg->dst_cscd); 1048 dl = tpc_resolve(list, cscd, NULL, NULL, NULL); 1049 if (dl == UINT64_MAX) { 1050 ctl_set_sense(list->ctsio, /*current_error*/ 1, 1051 /*sense_key*/ SSD_KEY_COPY_ABORTED, 1052 /*asc*/ 0x08, /*ascq*/ 0x04, 1053 SSD_ELEM_COMMAND, sizeof(csi), csi, 1054 SSD_ELEM_NONE); 1055 return (CTL_RETVAL_ERROR); 1056 } 1057 1058// printf("Register Key %ju\n", dl); 1059 1060 list->tbdio = 1; 1061 tio = malloc(sizeof(*tio), M_CTL, M_WAITOK | M_ZERO); 1062 TAILQ_INIT(&tio->run); 1063 tio->list = list; 1064 TAILQ_INSERT_TAIL(&list->allio, tio, links); 1065 tio->io = tpcl_alloc_io(); 1066 datalen = sizeof(struct scsi_per_res_out_parms); 1067 list->buf = malloc(datalen, M_CTL, M_WAITOK); 1068 ctl_scsi_persistent_res_out(tio->io, 1069 list->buf, datalen, SPRO_REGISTER, -1, 1070 scsi_8btou64(seg->res_key), scsi_8btou64(seg->sa_res_key), 1071 /*tag_type*/ CTL_TAG_SIMPLE, /*control*/ 0); 1072 tio->io->io_hdr.retries = 3; 1073 tio->target = SSD_FORWARDED_SDS_EXDST; 1074 tio->cscd = cscd; 1075 tio->lun = dl; 1076 tio->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tio; 1077 list->stage++; 1078 if (tpcl_queue(tio->io, tio->lun) != CTL_RETVAL_COMPLETE) 1079 panic("tpcl_queue() error"); 1080 return (CTL_RETVAL_QUEUED); 1081} 1082 1083static off_t 1084tpc_ranges_length(struct scsi_range_desc *range, int nrange) 1085{ 1086 off_t length = 0; 1087 int r; 1088 1089 for (r = 0; r < nrange; r++) 1090 length += scsi_4btoul(range[r].length); 1091 return (length); 1092} 1093 1094static int 1095tpc_check_ranges_l(struct scsi_range_desc *range, int nrange, uint64_t maxlba, 1096 uint64_t *lba) 1097{ 1098 uint64_t b1; 1099 uint32_t l1; 1100 int i; 1101 1102 for (i = 0; i < nrange; i++) { 1103 b1 = scsi_8btou64(range[i].lba); 1104 l1 = scsi_4btoul(range[i].length); 1105 if (b1 + l1 < b1 || b1 + l1 > maxlba + 1) { 1106 *lba = MAX(b1, maxlba + 1); 1107 return (-1); 1108 } 1109 } 1110 return (0); 1111} 1112 1113static int 1114tpc_check_ranges_x(struct scsi_range_desc *range, int nrange) 1115{ 1116 uint64_t b1, b2; 1117 uint32_t l1, l2; 1118 int i, j; 1119 1120 for (i = 0; i < nrange - 1; i++) { 1121 b1 = scsi_8btou64(range[i].lba); 1122 l1 = scsi_4btoul(range[i].length); 1123 for (j = i + 1; j < nrange; j++) { 1124 b2 = scsi_8btou64(range[j].lba); 1125 l2 = scsi_4btoul(range[j].length); 1126 if (b1 + l1 > b2 && b2 + l2 > b1) 1127 return (-1); 1128 } 1129 } 1130 return (0); 1131} 1132 1133static int 1134tpc_skip_ranges(struct scsi_range_desc *range, int nrange, off_t skip, 1135 int *srange, off_t *soffset) 1136{ 1137 off_t off; 1138 int r; 1139 1140 r = 0; 1141 off = 0; 1142 while (r < nrange) { 1143 if (skip - off < scsi_4btoul(range[r].length)) { 1144 *srange = r; 1145 *soffset = skip - off; 1146 return (0); 1147 } 1148 off += scsi_4btoul(range[r].length); 1149 r++; 1150 } 1151 return (-1); 1152} 1153 1154static int 1155tpc_process_wut(struct tpc_list *list) 1156{ 1157 struct tpc_io *tio, *tior, *tiow; 1158 struct runl run; 1159 int drange, srange; 1160 off_t doffset, soffset; 1161 off_t srclba, dstlba, numbytes, donebytes, roundbytes; 1162 uint32_t srcblock, dstblock, pb, pbo, adj; 1163 1164 if (list->stage > 0) { 1165 /* Cleanup after previous rounds. */ 1166 while ((tio = TAILQ_FIRST(&list->allio)) != NULL) { 1167 TAILQ_REMOVE(&list->allio, tio, links); 1168 ctl_free_io(tio->io); 1169 free(tio, M_CTL); 1170 } 1171 free(list->buf, M_CTL); 1172 if (list->abort) { 1173 ctl_set_task_aborted(list->ctsio); 1174 return (CTL_RETVAL_ERROR); 1175 } else if (list->error) { 1176 if (list->fwd_scsi_status) { 1177 list->ctsio->io_hdr.status = 1178 CTL_SCSI_ERROR | CTL_AUTOSENSE; 1179 list->ctsio->scsi_status = list->fwd_scsi_status; 1180 list->ctsio->sense_data = list->fwd_sense_data; 1181 list->ctsio->sense_len = list->fwd_sense_len; 1182 } else { 1183 ctl_set_invalid_field(list->ctsio, 1184 /*sks_valid*/ 0, /*command*/ 0, 1185 /*field*/ 0, /*bit_valid*/ 0, /*bit*/ 0); 1186 } 1187 return (CTL_RETVAL_ERROR); 1188 } 1189 list->cursectors += list->segsectors; 1190 list->curbytes += list->segbytes; 1191 } 1192 1193 /* Check where we are on destination ranges list. */ 1194 if (tpc_skip_ranges(list->range, list->nrange, list->cursectors, 1195 &drange, &doffset) != 0) 1196 return (CTL_RETVAL_COMPLETE); 1197 dstblock = list->lun->be_lun->blocksize; 1198 pb = dstblock << list->lun->be_lun->pblockexp; 1199 if (list->lun->be_lun->pblockoff > 0) 1200 pbo = pb - dstblock * list->lun->be_lun->pblockoff; 1201 else 1202 pbo = 0; 1203 1204 /* Check where we are on source ranges list. */ 1205 srcblock = list->token->blocksize; 1206 if (tpc_skip_ranges(list->token->range, list->token->nrange, 1207 list->offset_into_rod + list->cursectors * dstblock / srcblock, 1208 &srange, &soffset) != 0) { 1209 ctl_set_invalid_field(list->ctsio, /*sks_valid*/ 0, 1210 /*command*/ 0, /*field*/ 0, /*bit_valid*/ 0, /*bit*/ 0); 1211 return (CTL_RETVAL_ERROR); 1212 } 1213 1214 srclba = scsi_8btou64(list->token->range[srange].lba) + soffset; 1215 dstlba = scsi_8btou64(list->range[drange].lba) + doffset; 1216 numbytes = srcblock * 1217 (scsi_4btoul(list->token->range[srange].length) - soffset); 1218 numbytes = omin(numbytes, dstblock * 1219 (scsi_4btoul(list->range[drange].length) - doffset)); 1220 if (numbytes > TPC_MAX_IOCHUNK_SIZE) { 1221 numbytes = TPC_MAX_IOCHUNK_SIZE; 1222 numbytes -= numbytes % dstblock; 1223 if (pb > dstblock) { 1224 adj = (dstlba * dstblock + numbytes - pbo) % pb; 1225 if (numbytes > adj) 1226 numbytes -= adj; 1227 } 1228 } 1229 1230 if (numbytes % srcblock != 0 || numbytes % dstblock != 0) { 1231 ctl_set_invalid_field(list->ctsio, /*sks_valid*/ 0, 1232 /*command*/ 0, /*field*/ 0, /*bit_valid*/ 0, /*bit*/ 0); 1233 return (CTL_RETVAL_ERROR); 1234 } 1235 1236 list->buf = malloc(numbytes, M_CTL, M_WAITOK | 1237 (list->token == NULL ? M_ZERO : 0)); 1238 list->segbytes = numbytes; 1239 list->segsectors = numbytes / dstblock; 1240//printf("Copy chunk of %ju sectors from %ju to %ju\n", list->segsectors, 1241// srclba, dstlba); 1242 donebytes = 0; 1243 TAILQ_INIT(&run); 1244 list->tbdio = 0; 1245 TAILQ_INIT(&list->allio); 1246 while (donebytes < numbytes) { 1247 roundbytes = numbytes - donebytes; 1248 if (roundbytes > TPC_MAX_IO_SIZE) { 1249 roundbytes = TPC_MAX_IO_SIZE; 1250 roundbytes -= roundbytes % dstblock; 1251 if (pb > dstblock) { 1252 adj = (dstlba * dstblock + roundbytes - pbo) % pb; 1253 if (roundbytes > adj) 1254 roundbytes -= adj; 1255 } 1256 } 1257 1258 tior = malloc(sizeof(*tior), M_CTL, M_WAITOK | M_ZERO); 1259 TAILQ_INIT(&tior->run); 1260 tior->list = list; 1261 TAILQ_INSERT_TAIL(&list->allio, tior, links); 1262 tior->io = tpcl_alloc_io(); 1263 ctl_scsi_read_write(tior->io, 1264 /*data_ptr*/ &list->buf[donebytes], 1265 /*data_len*/ roundbytes, 1266 /*read_op*/ 1, 1267 /*byte2*/ 0, 1268 /*minimum_cdb_size*/ 0, 1269 /*lba*/ srclba, 1270 /*num_blocks*/ roundbytes / srcblock, 1271 /*tag_type*/ CTL_TAG_SIMPLE, 1272 /*control*/ 0); 1273 tior->io->io_hdr.retries = 3; 1274 tior->lun = list->token->lun; 1275 tior->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tior; 1276 1277 tiow = malloc(sizeof(*tiow), M_CTL, M_WAITOK | M_ZERO); 1278 TAILQ_INIT(&tiow->run); 1279 tiow->list = list; 1280 TAILQ_INSERT_TAIL(&list->allio, tiow, links); 1281 tiow->io = tpcl_alloc_io(); 1282 ctl_scsi_read_write(tiow->io, 1283 /*data_ptr*/ &list->buf[donebytes], 1284 /*data_len*/ roundbytes, 1285 /*read_op*/ 0, 1286 /*byte2*/ 0, 1287 /*minimum_cdb_size*/ 0, 1288 /*lba*/ dstlba, 1289 /*num_blocks*/ roundbytes / dstblock, 1290 /*tag_type*/ CTL_TAG_SIMPLE, 1291 /*control*/ 0); 1292 tiow->io->io_hdr.retries = 3; 1293 tiow->lun = list->lun->lun; 1294 tiow->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tiow; 1295 1296 TAILQ_INSERT_TAIL(&tior->run, tiow, rlinks); 1297 TAILQ_INSERT_TAIL(&run, tior, rlinks); 1298 list->tbdio++; 1299 donebytes += roundbytes; 1300 srclba += roundbytes / srcblock; 1301 dstlba += roundbytes / dstblock; 1302 } 1303 1304 while ((tior = TAILQ_FIRST(&run)) != NULL) { 1305 TAILQ_REMOVE(&run, tior, rlinks); 1306 if (tpcl_queue(tior->io, tior->lun) != CTL_RETVAL_COMPLETE) 1307 panic("tpcl_queue() error"); 1308 } 1309 1310 list->stage++; 1311 return (CTL_RETVAL_QUEUED); 1312} 1313 1314static int 1315tpc_process_zero_wut(struct tpc_list *list) 1316{ 1317 struct tpc_io *tio, *tiow; 1318 struct runl run, *prun; 1319 int r; 1320 uint32_t dstblock, len; 1321 1322 if (list->stage > 0) { 1323complete: 1324 /* Cleanup after previous rounds. */ 1325 while ((tio = TAILQ_FIRST(&list->allio)) != NULL) { 1326 TAILQ_REMOVE(&list->allio, tio, links); 1327 ctl_free_io(tio->io); 1328 free(tio, M_CTL); 1329 } 1330 if (list->abort) { 1331 ctl_set_task_aborted(list->ctsio); 1332 return (CTL_RETVAL_ERROR); 1333 } else if (list->error) { 1334 if (list->fwd_scsi_status) { 1335 list->ctsio->io_hdr.status = 1336 CTL_SCSI_ERROR | CTL_AUTOSENSE; 1337 list->ctsio->scsi_status = list->fwd_scsi_status; 1338 list->ctsio->sense_data = list->fwd_sense_data; 1339 list->ctsio->sense_len = list->fwd_sense_len; 1340 } else { 1341 ctl_set_invalid_field(list->ctsio, 1342 /*sks_valid*/ 0, /*command*/ 0, 1343 /*field*/ 0, /*bit_valid*/ 0, /*bit*/ 0); 1344 } 1345 return (CTL_RETVAL_ERROR); 1346 } 1347 list->cursectors += list->segsectors; 1348 list->curbytes += list->segbytes; 1349 return (CTL_RETVAL_COMPLETE); 1350 } 1351 1352 dstblock = list->lun->be_lun->blocksize; 1353 TAILQ_INIT(&run); 1354 prun = &run; 1355 list->tbdio = 1; 1356 TAILQ_INIT(&list->allio); 1357 list->segsectors = 0; 1358 for (r = 0; r < list->nrange; r++) { 1359 len = scsi_4btoul(list->range[r].length); 1360 if (len == 0) 1361 continue; 1362 1363 tiow = malloc(sizeof(*tiow), M_CTL, M_WAITOK | M_ZERO); 1364 TAILQ_INIT(&tiow->run); 1365 tiow->list = list; 1366 TAILQ_INSERT_TAIL(&list->allio, tiow, links); 1367 tiow->io = tpcl_alloc_io(); 1368 ctl_scsi_write_same(tiow->io, 1369 /*data_ptr*/ NULL, 1370 /*data_len*/ 0, 1371 /*byte2*/ SWS_NDOB, 1372 /*lba*/ scsi_8btou64(list->range[r].lba), 1373 /*num_blocks*/ len, 1374 /*tag_type*/ CTL_TAG_SIMPLE, 1375 /*control*/ 0); 1376 tiow->io->io_hdr.retries = 3; 1377 tiow->lun = list->lun->lun; 1378 tiow->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tiow; 1379 1380 TAILQ_INSERT_TAIL(prun, tiow, rlinks); 1381 prun = &tiow->run; 1382 list->segsectors += len; 1383 } 1384 list->segbytes = list->segsectors * dstblock; 1385 1386 if (TAILQ_EMPTY(&run)) 1387 goto complete; 1388 1389 while ((tiow = TAILQ_FIRST(&run)) != NULL) { 1390 TAILQ_REMOVE(&run, tiow, rlinks); 1391 if (tpcl_queue(tiow->io, tiow->lun) != CTL_RETVAL_COMPLETE) 1392 panic("tpcl_queue() error"); 1393 } 1394 1395 list->stage++; 1396 return (CTL_RETVAL_QUEUED); 1397} 1398 1399static void 1400tpc_process(struct tpc_list *list) 1401{ 1402 struct ctl_lun *lun = list->lun; 1403 struct ctl_softc *softc = lun->ctl_softc; 1404 struct scsi_ec_segment *seg; 1405 struct ctl_scsiio *ctsio = list->ctsio; 1406 int retval = CTL_RETVAL_COMPLETE; 1407 uint8_t csi[4]; 1408 1409 if (list->service_action == EC_WUT) { 1410 if (list->token != NULL) 1411 retval = tpc_process_wut(list); 1412 else 1413 retval = tpc_process_zero_wut(list); 1414 if (retval == CTL_RETVAL_QUEUED) 1415 return; 1416 if (retval == CTL_RETVAL_ERROR) { 1417 list->error = 1; 1418 goto done; 1419 } 1420 } else { 1421//printf("ZZZ %d cscd, %d segs\n", list->ncscd, list->nseg); 1422 while (list->curseg < list->nseg) { 1423 seg = list->seg[list->curseg]; 1424 switch (seg->type_code) { 1425 case EC_SEG_B2B: 1426 retval = tpc_process_b2b(list); 1427 break; 1428 case EC_SEG_VERIFY: 1429 retval = tpc_process_verify(list); 1430 break; 1431 case EC_SEG_REGISTER_KEY: 1432 retval = tpc_process_register_key(list); 1433 break; 1434 default: 1435 scsi_ulto4b(list->curseg, csi); 1436 ctl_set_sense(ctsio, /*current_error*/ 1, 1437 /*sense_key*/ SSD_KEY_COPY_ABORTED, 1438 /*asc*/ 0x26, /*ascq*/ 0x09, 1439 SSD_ELEM_COMMAND, sizeof(csi), csi, 1440 SSD_ELEM_NONE); 1441 goto done; 1442 } 1443 if (retval == CTL_RETVAL_QUEUED) 1444 return; 1445 if (retval == CTL_RETVAL_ERROR) { 1446 list->error = 1; 1447 goto done; 1448 } 1449 list->curseg++; 1450 list->stage = 0; 1451 } 1452 } 1453 1454 ctl_set_success(ctsio); 1455 1456done: 1457//printf("ZZZ done\n"); 1458 free(list->params, M_CTL); 1459 list->params = NULL; 1460 if (list->token) { 1461 mtx_lock(&softc->tpc_lock); 1462 if (--list->token->active == 0) 1463 list->token->last_active = time_uptime; 1464 mtx_unlock(&softc->tpc_lock); 1465 list->token = NULL; 1466 } 1467 mtx_lock(&lun->lun_lock); 1468 if ((list->flags & EC_LIST_ID_USAGE_MASK) == EC_LIST_ID_USAGE_NONE) { 1469 TAILQ_REMOVE(&lun->tpc_lists, list, links); 1470 free(list, M_CTL); 1471 } else { 1472 list->completed = 1; 1473 list->last_active = time_uptime; 1474 list->sense_data = ctsio->sense_data; 1475 list->sense_len = ctsio->sense_len; 1476 list->scsi_status = ctsio->scsi_status; 1477 } 1478 mtx_unlock(&lun->lun_lock); 1479 1480 ctl_done((union ctl_io *)ctsio); 1481} 1482 1483/* 1484 * For any sort of check condition, busy, etc., we just retry. We do not 1485 * decrement the retry count for unit attention type errors. These are 1486 * normal, and we want to save the retry count for "real" errors. Otherwise, 1487 * we could end up with situations where a command will succeed in some 1488 * situations and fail in others, depending on whether a unit attention is 1489 * pending. Also, some of our error recovery actions, most notably the 1490 * LUN reset action, will cause a unit attention. 1491 * 1492 * We can add more detail here later if necessary. 1493 */ 1494static tpc_error_action 1495tpc_checkcond_parse(union ctl_io *io) 1496{ 1497 tpc_error_action error_action; 1498 int error_code, sense_key, asc, ascq; 1499 1500 /* 1501 * Default to retrying the command. 1502 */ 1503 error_action = TPC_ERR_RETRY; 1504 1505 scsi_extract_sense_len(&io->scsiio.sense_data, 1506 io->scsiio.sense_len, 1507 &error_code, 1508 &sense_key, 1509 &asc, 1510 &ascq, 1511 /*show_errors*/ 1); 1512 1513 switch (error_code) { 1514 case SSD_DEFERRED_ERROR: 1515 case SSD_DESC_DEFERRED_ERROR: 1516 error_action |= TPC_ERR_NO_DECREMENT; 1517 break; 1518 case SSD_CURRENT_ERROR: 1519 case SSD_DESC_CURRENT_ERROR: 1520 default: 1521 switch (sense_key) { 1522 case SSD_KEY_UNIT_ATTENTION: 1523 error_action |= TPC_ERR_NO_DECREMENT; 1524 break; 1525 case SSD_KEY_HARDWARE_ERROR: 1526 /* 1527 * This is our generic "something bad happened" 1528 * error code. It often isn't recoverable. 1529 */ 1530 if ((asc == 0x44) && (ascq == 0x00)) 1531 error_action = TPC_ERR_FAIL; 1532 break; 1533 case SSD_KEY_NOT_READY: 1534 /* 1535 * If the LUN is powered down, there likely isn't 1536 * much point in retrying right now. 1537 */ 1538 if ((asc == 0x04) && (ascq == 0x02)) 1539 error_action = TPC_ERR_FAIL; 1540 /* 1541 * If the LUN is offline, there probably isn't much 1542 * point in retrying, either. 1543 */ 1544 if ((asc == 0x04) && (ascq == 0x03)) 1545 error_action = TPC_ERR_FAIL; 1546 break; 1547 } 1548 } 1549 return (error_action); 1550} 1551 1552static tpc_error_action 1553tpc_error_parse(union ctl_io *io) 1554{ 1555 tpc_error_action error_action = TPC_ERR_RETRY; 1556 1557 switch (io->io_hdr.io_type) { 1558 case CTL_IO_SCSI: 1559 switch (io->io_hdr.status & CTL_STATUS_MASK) { 1560 case CTL_SCSI_ERROR: 1561 switch (io->scsiio.scsi_status) { 1562 case SCSI_STATUS_CHECK_COND: 1563 error_action = tpc_checkcond_parse(io); 1564 break; 1565 default: 1566 break; 1567 } 1568 break; 1569 default: 1570 break; 1571 } 1572 break; 1573 case CTL_IO_TASK: 1574 break; 1575 default: 1576 panic("%s: invalid ctl_io type %d\n", __func__, 1577 io->io_hdr.io_type); 1578 break; 1579 } 1580 return (error_action); 1581} 1582 1583void 1584tpc_done(union ctl_io *io) 1585{ 1586 struct tpc_io *tio, *tior; 1587 1588 /* 1589 * Very minimal retry logic. We basically retry if we got an error 1590 * back, and the retry count is greater than 0. If we ever want 1591 * more sophisticated initiator type behavior, the CAM error 1592 * recovery code in ../common might be helpful. 1593 */ 1594 tio = io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr; 1595 if (((io->io_hdr.status & CTL_STATUS_MASK) != CTL_SUCCESS) 1596 && (io->io_hdr.retries > 0)) { 1597 ctl_io_status old_status; 1598 tpc_error_action error_action; 1599 1600 error_action = tpc_error_parse(io); 1601 switch (error_action & TPC_ERR_MASK) { 1602 case TPC_ERR_FAIL: 1603 break; 1604 case TPC_ERR_RETRY: 1605 default: 1606 if ((error_action & TPC_ERR_NO_DECREMENT) == 0) 1607 io->io_hdr.retries--; 1608 old_status = io->io_hdr.status; 1609 io->io_hdr.status = CTL_STATUS_NONE; 1610 io->io_hdr.flags &= ~CTL_FLAG_ABORT; 1611 io->io_hdr.flags &= ~CTL_FLAG_SENT_2OTHER_SC; 1612 if (tpcl_queue(io, tio->lun) != CTL_RETVAL_COMPLETE) { 1613 printf("%s: error returned from ctl_queue()!\n", 1614 __func__); 1615 io->io_hdr.status = old_status; 1616 } else 1617 return; 1618 } 1619 } 1620 1621 if ((io->io_hdr.status & CTL_STATUS_MASK) != CTL_SUCCESS) { 1622 tio->list->error = 1; 1623 if (io->io_hdr.io_type == CTL_IO_SCSI && 1624 (io->io_hdr.status & CTL_STATUS_MASK) == CTL_SCSI_ERROR) { 1625 tio->list->fwd_scsi_status = io->scsiio.scsi_status; 1626 tio->list->fwd_sense_data = io->scsiio.sense_data; 1627 tio->list->fwd_sense_len = io->scsiio.sense_len; 1628 tio->list->fwd_target = tio->target; 1629 tio->list->fwd_cscd = tio->cscd; 1630 } 1631 } else 1632 atomic_add_int(&tio->list->curops, 1); 1633 if (!tio->list->error && !tio->list->abort) { 1634 while ((tior = TAILQ_FIRST(&tio->run)) != NULL) { 1635 TAILQ_REMOVE(&tio->run, tior, rlinks); 1636 atomic_add_int(&tio->list->tbdio, 1); 1637 if (tpcl_queue(tior->io, tior->lun) != CTL_RETVAL_COMPLETE) 1638 panic("tpcl_queue() error"); 1639 } 1640 } 1641 if (atomic_fetchadd_int(&tio->list->tbdio, -1) == 1) 1642 tpc_process(tio->list); 1643} 1644 1645int 1646ctl_extended_copy_lid1(struct ctl_scsiio *ctsio) 1647{ 1648 struct ctl_lun *lun = CTL_LUN(ctsio); 1649 struct scsi_extended_copy *cdb; 1650 struct scsi_extended_copy_lid1_data *data; 1651 struct scsi_ec_cscd *cscd; 1652 struct scsi_ec_segment *seg; 1653 struct tpc_list *list, *tlist; 1654 uint8_t *ptr; 1655 char *value; 1656 int len, off, lencscd, lenseg, leninl, nseg; 1657 1658 CTL_DEBUG_PRINT(("ctl_extended_copy_lid1\n")); 1659 1660 cdb = (struct scsi_extended_copy *)ctsio->cdb; 1661 len = scsi_4btoul(cdb->length); 1662 1663 if (len == 0) { 1664 ctl_set_success(ctsio); 1665 goto done; 1666 } 1667 if (len < sizeof(struct scsi_extended_copy_lid1_data) || 1668 len > sizeof(struct scsi_extended_copy_lid1_data) + 1669 TPC_MAX_LIST + TPC_MAX_INLINE) { 1670 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 1, 1671 /*field*/ 9, /*bit_valid*/ 0, /*bit*/ 0); 1672 goto done; 1673 } 1674 1675 /* 1676 * If we've got a kernel request that hasn't been malloced yet, 1677 * malloc it and tell the caller the data buffer is here. 1678 */ 1679 if ((ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0) { 1680 ctsio->kern_data_ptr = malloc(len, M_CTL, M_WAITOK); 1681 ctsio->kern_data_len = len; 1682 ctsio->kern_total_len = len; 1683 ctsio->kern_rel_offset = 0; 1684 ctsio->kern_sg_entries = 0; 1685 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED; 1686 ctsio->be_move_done = ctl_config_move_done; 1687 ctl_datamove((union ctl_io *)ctsio); 1688 1689 return (CTL_RETVAL_COMPLETE); 1690 } 1691 1692 data = (struct scsi_extended_copy_lid1_data *)ctsio->kern_data_ptr; 1693 lencscd = scsi_2btoul(data->cscd_list_length); 1694 lenseg = scsi_4btoul(data->segment_list_length); 1695 leninl = scsi_4btoul(data->inline_data_length); 1696 if (lencscd > TPC_MAX_CSCDS * sizeof(struct scsi_ec_cscd)) { 1697 ctl_set_sense(ctsio, /*current_error*/ 1, 1698 /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST, 1699 /*asc*/ 0x26, /*ascq*/ 0x06, SSD_ELEM_NONE); 1700 goto done; 1701 } 1702 if (lenseg > TPC_MAX_SEGS * sizeof(struct scsi_ec_segment)) { 1703 ctl_set_sense(ctsio, /*current_error*/ 1, 1704 /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST, 1705 /*asc*/ 0x26, /*ascq*/ 0x08, SSD_ELEM_NONE); 1706 goto done; 1707 } 1708 if (lencscd + lenseg > TPC_MAX_LIST || 1709 leninl > TPC_MAX_INLINE || 1710 len < sizeof(struct scsi_extended_copy_lid1_data) + 1711 lencscd + lenseg + leninl) { 1712 ctl_set_param_len_error(ctsio); 1713 goto done; 1714 } 1715 1716 list = malloc(sizeof(struct tpc_list), M_CTL, M_WAITOK | M_ZERO); 1717 list->service_action = cdb->service_action; 1718 value = ctl_get_opt(&lun->be_lun->options, "insecure_tpc"); 1719 if (value != NULL && strcmp(value, "on") == 0) 1720 list->init_port = -1; 1721 else 1722 list->init_port = ctsio->io_hdr.nexus.targ_port; 1723 list->init_idx = ctl_get_initindex(&ctsio->io_hdr.nexus); 1724 list->list_id = data->list_identifier; 1725 list->flags = data->flags; 1726 list->params = ctsio->kern_data_ptr; 1727 list->cscd = (struct scsi_ec_cscd *)&data->data[0]; 1728 ptr = &data->data[0]; 1729 for (off = 0; off < lencscd; off += sizeof(struct scsi_ec_cscd)) { 1730 cscd = (struct scsi_ec_cscd *)(ptr + off); 1731 if (cscd->type_code != EC_CSCD_ID) { 1732 free(list, M_CTL); 1733 ctl_set_sense(ctsio, /*current_error*/ 1, 1734 /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST, 1735 /*asc*/ 0x26, /*ascq*/ 0x07, SSD_ELEM_NONE); 1736 goto done; 1737 } 1738 } 1739 ptr = &data->data[lencscd]; 1740 for (nseg = 0, off = 0; off < lenseg; nseg++) { 1741 if (nseg >= TPC_MAX_SEGS) { 1742 free(list, M_CTL); 1743 ctl_set_sense(ctsio, /*current_error*/ 1, 1744 /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST, 1745 /*asc*/ 0x26, /*ascq*/ 0x08, SSD_ELEM_NONE); 1746 goto done; 1747 } 1748 seg = (struct scsi_ec_segment *)(ptr + off); 1749 if (seg->type_code != EC_SEG_B2B && 1750 seg->type_code != EC_SEG_VERIFY && 1751 seg->type_code != EC_SEG_REGISTER_KEY) { 1752 free(list, M_CTL); 1753 ctl_set_sense(ctsio, /*current_error*/ 1, 1754 /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST, 1755 /*asc*/ 0x26, /*ascq*/ 0x09, SSD_ELEM_NONE); 1756 goto done; 1757 } 1758 list->seg[nseg] = seg; 1759 off += sizeof(struct scsi_ec_segment) + 1760 scsi_2btoul(seg->descr_length); 1761 } 1762 list->inl = &data->data[lencscd + lenseg]; 1763 list->ncscd = lencscd / sizeof(struct scsi_ec_cscd); 1764 list->nseg = nseg; 1765 list->leninl = leninl; 1766 list->ctsio = ctsio; 1767 list->lun = lun; 1768 mtx_lock(&lun->lun_lock); 1769 if ((list->flags & EC_LIST_ID_USAGE_MASK) != EC_LIST_ID_USAGE_NONE) { 1770 tlist = tpc_find_list(lun, list->list_id, list->init_idx); 1771 if (tlist != NULL && !tlist->completed) { 1772 mtx_unlock(&lun->lun_lock); 1773 free(list, M_CTL); 1774 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, 1775 /*command*/ 0, /*field*/ 0, /*bit_valid*/ 0, 1776 /*bit*/ 0); 1777 goto done; 1778 } 1779 if (tlist != NULL) { 1780 TAILQ_REMOVE(&lun->tpc_lists, tlist, links); 1781 free(tlist, M_CTL); 1782 } 1783 } 1784 TAILQ_INSERT_TAIL(&lun->tpc_lists, list, links); 1785 mtx_unlock(&lun->lun_lock); 1786 1787 tpc_process(list); 1788 return (CTL_RETVAL_COMPLETE); 1789 1790done: 1791 if (ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) { 1792 free(ctsio->kern_data_ptr, M_CTL); 1793 ctsio->io_hdr.flags &= ~CTL_FLAG_ALLOCATED; 1794 } 1795 ctl_done((union ctl_io *)ctsio); 1796 return (CTL_RETVAL_COMPLETE); 1797} 1798 1799int 1800ctl_extended_copy_lid4(struct ctl_scsiio *ctsio) 1801{ 1802 struct ctl_lun *lun = CTL_LUN(ctsio); 1803 struct scsi_extended_copy *cdb; 1804 struct scsi_extended_copy_lid4_data *data; 1805 struct scsi_ec_cscd *cscd; 1806 struct scsi_ec_segment *seg; 1807 struct tpc_list *list, *tlist; 1808 uint8_t *ptr; 1809 char *value; 1810 int len, off, lencscd, lenseg, leninl, nseg; 1811 1812 CTL_DEBUG_PRINT(("ctl_extended_copy_lid4\n")); 1813 1814 cdb = (struct scsi_extended_copy *)ctsio->cdb; 1815 len = scsi_4btoul(cdb->length); 1816 1817 if (len == 0) { 1818 ctl_set_success(ctsio); 1819 goto done; 1820 } 1821 if (len < sizeof(struct scsi_extended_copy_lid4_data) || 1822 len > sizeof(struct scsi_extended_copy_lid4_data) + 1823 TPC_MAX_LIST + TPC_MAX_INLINE) { 1824 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 1, 1825 /*field*/ 9, /*bit_valid*/ 0, /*bit*/ 0); 1826 goto done; 1827 } 1828 1829 /* 1830 * If we've got a kernel request that hasn't been malloced yet, 1831 * malloc it and tell the caller the data buffer is here. 1832 */ 1833 if ((ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0) { 1834 ctsio->kern_data_ptr = malloc(len, M_CTL, M_WAITOK); 1835 ctsio->kern_data_len = len; 1836 ctsio->kern_total_len = len; 1837 ctsio->kern_rel_offset = 0; 1838 ctsio->kern_sg_entries = 0; 1839 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED; 1840 ctsio->be_move_done = ctl_config_move_done; 1841 ctl_datamove((union ctl_io *)ctsio); 1842 1843 return (CTL_RETVAL_COMPLETE); 1844 } 1845 1846 data = (struct scsi_extended_copy_lid4_data *)ctsio->kern_data_ptr; 1847 lencscd = scsi_2btoul(data->cscd_list_length); 1848 lenseg = scsi_2btoul(data->segment_list_length); 1849 leninl = scsi_2btoul(data->inline_data_length); 1850 if (lencscd > TPC_MAX_CSCDS * sizeof(struct scsi_ec_cscd)) { 1851 ctl_set_sense(ctsio, /*current_error*/ 1, 1852 /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST, 1853 /*asc*/ 0x26, /*ascq*/ 0x06, SSD_ELEM_NONE); 1854 goto done; 1855 } 1856 if (lenseg > TPC_MAX_SEGS * sizeof(struct scsi_ec_segment)) { 1857 ctl_set_sense(ctsio, /*current_error*/ 1, 1858 /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST, 1859 /*asc*/ 0x26, /*ascq*/ 0x08, SSD_ELEM_NONE); 1860 goto done; 1861 } 1862 if (lencscd + lenseg > TPC_MAX_LIST || 1863 leninl > TPC_MAX_INLINE || 1864 len < sizeof(struct scsi_extended_copy_lid1_data) + 1865 lencscd + lenseg + leninl) { 1866 ctl_set_param_len_error(ctsio); 1867 goto done; 1868 } 1869 1870 list = malloc(sizeof(struct tpc_list), M_CTL, M_WAITOK | M_ZERO); 1871 list->service_action = cdb->service_action; 1872 value = ctl_get_opt(&lun->be_lun->options, "insecure_tpc"); 1873 if (value != NULL && strcmp(value, "on") == 0) 1874 list->init_port = -1; 1875 else 1876 list->init_port = ctsio->io_hdr.nexus.targ_port; 1877 list->init_idx = ctl_get_initindex(&ctsio->io_hdr.nexus); 1878 list->list_id = scsi_4btoul(data->list_identifier); 1879 list->flags = data->flags; 1880 list->params = ctsio->kern_data_ptr; 1881 list->cscd = (struct scsi_ec_cscd *)&data->data[0]; 1882 ptr = &data->data[0]; 1883 for (off = 0; off < lencscd; off += sizeof(struct scsi_ec_cscd)) { 1884 cscd = (struct scsi_ec_cscd *)(ptr + off); 1885 if (cscd->type_code != EC_CSCD_ID) { 1886 free(list, M_CTL); 1887 ctl_set_sense(ctsio, /*current_error*/ 1, 1888 /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST, 1889 /*asc*/ 0x26, /*ascq*/ 0x07, SSD_ELEM_NONE); 1890 goto done; 1891 } 1892 } 1893 ptr = &data->data[lencscd]; 1894 for (nseg = 0, off = 0; off < lenseg; nseg++) { 1895 if (nseg >= TPC_MAX_SEGS) { 1896 free(list, M_CTL); 1897 ctl_set_sense(ctsio, /*current_error*/ 1, 1898 /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST, 1899 /*asc*/ 0x26, /*ascq*/ 0x08, SSD_ELEM_NONE); 1900 goto done; 1901 } 1902 seg = (struct scsi_ec_segment *)(ptr + off); 1903 if (seg->type_code != EC_SEG_B2B && 1904 seg->type_code != EC_SEG_VERIFY && 1905 seg->type_code != EC_SEG_REGISTER_KEY) { 1906 free(list, M_CTL); 1907 ctl_set_sense(ctsio, /*current_error*/ 1, 1908 /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST, 1909 /*asc*/ 0x26, /*ascq*/ 0x09, SSD_ELEM_NONE); 1910 goto done; 1911 } 1912 list->seg[nseg] = seg; 1913 off += sizeof(struct scsi_ec_segment) + 1914 scsi_2btoul(seg->descr_length); 1915 } 1916 list->inl = &data->data[lencscd + lenseg]; 1917 list->ncscd = lencscd / sizeof(struct scsi_ec_cscd); 1918 list->nseg = nseg; 1919 list->leninl = leninl; 1920 list->ctsio = ctsio; 1921 list->lun = lun; 1922 mtx_lock(&lun->lun_lock); 1923 if ((list->flags & EC_LIST_ID_USAGE_MASK) != EC_LIST_ID_USAGE_NONE) { 1924 tlist = tpc_find_list(lun, list->list_id, list->init_idx); 1925 if (tlist != NULL && !tlist->completed) { 1926 mtx_unlock(&lun->lun_lock); 1927 free(list, M_CTL); 1928 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, 1929 /*command*/ 0, /*field*/ 0, /*bit_valid*/ 0, 1930 /*bit*/ 0); 1931 goto done; 1932 } 1933 if (tlist != NULL) { 1934 TAILQ_REMOVE(&lun->tpc_lists, tlist, links); 1935 free(tlist, M_CTL); 1936 } 1937 } 1938 TAILQ_INSERT_TAIL(&lun->tpc_lists, list, links); 1939 mtx_unlock(&lun->lun_lock); 1940 1941 tpc_process(list); 1942 return (CTL_RETVAL_COMPLETE); 1943 1944done: 1945 if (ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) { 1946 free(ctsio->kern_data_ptr, M_CTL); 1947 ctsio->io_hdr.flags &= ~CTL_FLAG_ALLOCATED; 1948 } 1949 ctl_done((union ctl_io *)ctsio); 1950 return (CTL_RETVAL_COMPLETE); 1951} 1952 1953static void 1954tpc_create_token(struct ctl_lun *lun, struct ctl_port *port, off_t len, 1955 struct scsi_token *token) 1956{ 1957 static int id = 0; 1958 struct scsi_vpd_id_descriptor *idd = NULL; 1959 struct scsi_ec_cscd_id *cscd; 1960 struct scsi_read_capacity_data_long *dtsd; 1961 int targid_len; 1962 1963 scsi_ulto4b(ROD_TYPE_AUR, token->type); 1964 scsi_ulto2b(0x01f8, token->length); 1965 scsi_u64to8b(atomic_fetchadd_int(&id, 1), &token->body[0]); 1966 if (lun->lun_devid) 1967 idd = scsi_get_devid_desc((struct scsi_vpd_id_descriptor *) 1968 lun->lun_devid->data, lun->lun_devid->len, 1969 scsi_devid_is_lun_naa); 1970 if (idd == NULL && lun->lun_devid) 1971 idd = scsi_get_devid_desc((struct scsi_vpd_id_descriptor *) 1972 lun->lun_devid->data, lun->lun_devid->len, 1973 scsi_devid_is_lun_eui64); 1974 if (idd != NULL) { 1975 cscd = (struct scsi_ec_cscd_id *)&token->body[8]; 1976 cscd->type_code = EC_CSCD_ID; 1977 cscd->luidt_pdt = T_DIRECT; 1978 memcpy(&cscd->codeset, idd, 4 + idd->length); 1979 scsi_ulto3b(lun->be_lun->blocksize, cscd->dtsp.block_length); 1980 } 1981 scsi_u64to8b(0, &token->body[40]); /* XXX: Should be 128bit value. */ 1982 scsi_u64to8b(len, &token->body[48]); 1983 1984 /* ROD token device type specific data (RC16 without first field) */ 1985 dtsd = (struct scsi_read_capacity_data_long *)&token->body[88 - 8]; 1986 scsi_ulto4b(lun->be_lun->blocksize, dtsd->length); 1987 dtsd->prot_lbppbe = lun->be_lun->pblockexp & SRC16_LBPPBE; 1988 scsi_ulto2b(lun->be_lun->pblockoff & SRC16_LALBA_A, dtsd->lalba_lbp); 1989 if (lun->be_lun->flags & CTL_LUN_FLAG_UNMAP) 1990 dtsd->lalba_lbp[0] |= SRC16_LBPME | SRC16_LBPRZ; 1991 1992 if (port->target_devid) { 1993 targid_len = port->target_devid->len; 1994 memcpy(&token->body[120], port->target_devid->data, targid_len); 1995 } else 1996 targid_len = 32; 1997 arc4rand(&token->body[120 + targid_len], 384 - targid_len, 0); 1998}; 1999 2000int 2001ctl_populate_token(struct ctl_scsiio *ctsio) 2002{ 2003 struct ctl_softc *softc = CTL_SOFTC(ctsio); 2004 struct ctl_port *port = CTL_PORT(ctsio); 2005 struct ctl_lun *lun = CTL_LUN(ctsio); 2006 struct scsi_populate_token *cdb; 2007 struct scsi_populate_token_data *data; 2008 struct tpc_list *list, *tlist; 2009 struct tpc_token *token; 2010 uint64_t lba; 2011 int len, lendata, lendesc; 2012 2013 CTL_DEBUG_PRINT(("ctl_populate_token\n")); 2014 2015 cdb = (struct scsi_populate_token *)ctsio->cdb; 2016 len = scsi_4btoul(cdb->length); 2017 2018 if (len < sizeof(struct scsi_populate_token_data) || 2019 len > sizeof(struct scsi_populate_token_data) + 2020 TPC_MAX_SEGS * sizeof(struct scsi_range_desc)) { 2021 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 1, 2022 /*field*/ 9, /*bit_valid*/ 0, /*bit*/ 0); 2023 goto done; 2024 } 2025 2026 /* 2027 * If we've got a kernel request that hasn't been malloced yet, 2028 * malloc it and tell the caller the data buffer is here. 2029 */ 2030 if ((ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0) { 2031 ctsio->kern_data_ptr = malloc(len, M_CTL, M_WAITOK); 2032 ctsio->kern_data_len = len; 2033 ctsio->kern_total_len = len; 2034 ctsio->kern_rel_offset = 0; 2035 ctsio->kern_sg_entries = 0; 2036 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED; 2037 ctsio->be_move_done = ctl_config_move_done; 2038 ctl_datamove((union ctl_io *)ctsio); 2039 2040 return (CTL_RETVAL_COMPLETE); 2041 } 2042 2043 data = (struct scsi_populate_token_data *)ctsio->kern_data_ptr; 2044 lendata = scsi_2btoul(data->length); 2045 if (lendata < sizeof(struct scsi_populate_token_data) - 2 + 2046 sizeof(struct scsi_range_desc)) { 2047 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 0, 2048 /*field*/ 0, /*bit_valid*/ 0, /*bit*/ 0); 2049 goto done; 2050 } 2051 lendesc = scsi_2btoul(data->range_descriptor_length); 2052 if (lendesc < sizeof(struct scsi_range_desc) || 2053 len < sizeof(struct scsi_populate_token_data) + lendesc || 2054 lendata < sizeof(struct scsi_populate_token_data) - 2 + lendesc) { 2055 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 0, 2056 /*field*/ 14, /*bit_valid*/ 0, /*bit*/ 0); 2057 goto done; 2058 } 2059/* 2060 printf("PT(list=%u) flags=%x to=%d rt=%x len=%x\n", 2061 scsi_4btoul(cdb->list_identifier), 2062 data->flags, scsi_4btoul(data->inactivity_timeout), 2063 scsi_4btoul(data->rod_type), 2064 scsi_2btoul(data->range_descriptor_length)); 2065*/ 2066 2067 /* Validate INACTIVITY TIMEOUT field */ 2068 if (scsi_4btoul(data->inactivity_timeout) > TPC_MAX_TOKEN_TIMEOUT) { 2069 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, 2070 /*command*/ 0, /*field*/ 4, /*bit_valid*/ 0, 2071 /*bit*/ 0); 2072 goto done; 2073 } 2074 2075 /* Validate ROD TYPE field */ 2076 if ((data->flags & EC_PT_RTV) && 2077 scsi_4btoul(data->rod_type) != ROD_TYPE_AUR) { 2078 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 0, 2079 /*field*/ 8, /*bit_valid*/ 0, /*bit*/ 0); 2080 goto done; 2081 } 2082 2083 /* Validate list of ranges */ 2084 if (tpc_check_ranges_l(&data->desc[0], 2085 scsi_2btoul(data->range_descriptor_length) / 2086 sizeof(struct scsi_range_desc), 2087 lun->be_lun->maxlba, &lba) != 0) { 2088 ctl_set_lba_out_of_range(ctsio, lba); 2089 goto done; 2090 } 2091 if (tpc_check_ranges_x(&data->desc[0], 2092 scsi_2btoul(data->range_descriptor_length) / 2093 sizeof(struct scsi_range_desc)) != 0) { 2094 ctl_set_invalid_field(ctsio, /*sks_valid*/ 0, 2095 /*command*/ 0, /*field*/ 0, /*bit_valid*/ 0, 2096 /*bit*/ 0); 2097 goto done; 2098 } 2099 2100 list = malloc(sizeof(struct tpc_list), M_CTL, M_WAITOK | M_ZERO); 2101 list->service_action = cdb->service_action; 2102 list->init_port = ctsio->io_hdr.nexus.targ_port; 2103 list->init_idx = ctl_get_initindex(&ctsio->io_hdr.nexus); 2104 list->list_id = scsi_4btoul(cdb->list_identifier); 2105 list->flags = data->flags; 2106 list->ctsio = ctsio; 2107 list->lun = lun; 2108 mtx_lock(&lun->lun_lock); 2109 tlist = tpc_find_list(lun, list->list_id, list->init_idx); 2110 if (tlist != NULL && !tlist->completed) { 2111 mtx_unlock(&lun->lun_lock); 2112 free(list, M_CTL); 2113 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, 2114 /*command*/ 0, /*field*/ 0, /*bit_valid*/ 0, 2115 /*bit*/ 0); 2116 goto done; 2117 } 2118 if (tlist != NULL) { 2119 TAILQ_REMOVE(&lun->tpc_lists, tlist, links); 2120 free(tlist, M_CTL); 2121 } 2122 TAILQ_INSERT_TAIL(&lun->tpc_lists, list, links); 2123 mtx_unlock(&lun->lun_lock); 2124 2125 token = malloc(sizeof(*token), M_CTL, M_WAITOK | M_ZERO); 2126 token->lun = lun->lun; 2127 token->blocksize = lun->be_lun->blocksize; 2128 token->params = ctsio->kern_data_ptr; 2129 token->range = &data->desc[0]; 2130 token->nrange = scsi_2btoul(data->range_descriptor_length) / 2131 sizeof(struct scsi_range_desc); 2132 list->cursectors = tpc_ranges_length(token->range, token->nrange); 2133 list->curbytes = (off_t)list->cursectors * lun->be_lun->blocksize; 2134 tpc_create_token(lun, port, list->curbytes, 2135 (struct scsi_token *)token->token); 2136 token->active = 0; 2137 token->last_active = time_uptime; 2138 token->timeout = scsi_4btoul(data->inactivity_timeout); 2139 if (token->timeout == 0) 2140 token->timeout = TPC_DFL_TOKEN_TIMEOUT; 2141 else if (token->timeout < TPC_MIN_TOKEN_TIMEOUT) 2142 token->timeout = TPC_MIN_TOKEN_TIMEOUT; 2143 memcpy(list->res_token, token->token, sizeof(list->res_token)); 2144 list->res_token_valid = 1; 2145 list->curseg = 0; 2146 list->completed = 1; 2147 list->last_active = time_uptime; 2148 mtx_lock(&softc->tpc_lock); 2149 TAILQ_INSERT_TAIL(&softc->tpc_tokens, token, links); 2150 mtx_unlock(&softc->tpc_lock); 2151 ctl_set_success(ctsio); 2152 ctl_done((union ctl_io *)ctsio); 2153 return (CTL_RETVAL_COMPLETE); 2154 2155done: 2156 if (ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) { 2157 free(ctsio->kern_data_ptr, M_CTL); 2158 ctsio->io_hdr.flags &= ~CTL_FLAG_ALLOCATED; 2159 } 2160 ctl_done((union ctl_io *)ctsio); 2161 return (CTL_RETVAL_COMPLETE); 2162} 2163 2164int 2165ctl_write_using_token(struct ctl_scsiio *ctsio) 2166{ 2167 struct ctl_softc *softc = CTL_SOFTC(ctsio); 2168 struct ctl_lun *lun = CTL_LUN(ctsio); 2169 struct scsi_write_using_token *cdb; 2170 struct scsi_write_using_token_data *data; 2171 struct tpc_list *list, *tlist; 2172 struct tpc_token *token; 2173 uint64_t lba; 2174 int len, lendata, lendesc; 2175 2176 CTL_DEBUG_PRINT(("ctl_write_using_token\n")); 2177 2178 cdb = (struct scsi_write_using_token *)ctsio->cdb; 2179 len = scsi_4btoul(cdb->length); 2180 2181 if (len < sizeof(struct scsi_write_using_token_data) || 2182 len > sizeof(struct scsi_write_using_token_data) + 2183 TPC_MAX_SEGS * sizeof(struct scsi_range_desc)) { 2184 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 1, 2185 /*field*/ 9, /*bit_valid*/ 0, /*bit*/ 0); 2186 goto done; 2187 } 2188 2189 /* 2190 * If we've got a kernel request that hasn't been malloced yet, 2191 * malloc it and tell the caller the data buffer is here. 2192 */ 2193 if ((ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0) { 2194 ctsio->kern_data_ptr = malloc(len, M_CTL, M_WAITOK); 2195 ctsio->kern_data_len = len; 2196 ctsio->kern_total_len = len; 2197 ctsio->kern_rel_offset = 0; 2198 ctsio->kern_sg_entries = 0; 2199 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED; 2200 ctsio->be_move_done = ctl_config_move_done; 2201 ctl_datamove((union ctl_io *)ctsio); 2202 2203 return (CTL_RETVAL_COMPLETE); 2204 } 2205 2206 data = (struct scsi_write_using_token_data *)ctsio->kern_data_ptr; 2207 lendata = scsi_2btoul(data->length); 2208 if (lendata < sizeof(struct scsi_write_using_token_data) - 2 + 2209 sizeof(struct scsi_range_desc)) { 2210 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 0, 2211 /*field*/ 0, /*bit_valid*/ 0, /*bit*/ 0); 2212 goto done; 2213 } 2214 lendesc = scsi_2btoul(data->range_descriptor_length); 2215 if (lendesc < sizeof(struct scsi_range_desc) || 2216 len < sizeof(struct scsi_write_using_token_data) + lendesc || 2217 lendata < sizeof(struct scsi_write_using_token_data) - 2 + lendesc) { 2218 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 0, 2219 /*field*/ 534, /*bit_valid*/ 0, /*bit*/ 0); 2220 goto done; 2221 } 2222/* 2223 printf("WUT(list=%u) flags=%x off=%ju len=%x\n", 2224 scsi_4btoul(cdb->list_identifier), 2225 data->flags, scsi_8btou64(data->offset_into_rod), 2226 scsi_2btoul(data->range_descriptor_length)); 2227*/ 2228 2229 /* Validate list of ranges */ 2230 if (tpc_check_ranges_l(&data->desc[0], 2231 scsi_2btoul(data->range_descriptor_length) / 2232 sizeof(struct scsi_range_desc), 2233 lun->be_lun->maxlba, &lba) != 0) { 2234 ctl_set_lba_out_of_range(ctsio, lba); 2235 goto done; 2236 } 2237 if (tpc_check_ranges_x(&data->desc[0], 2238 scsi_2btoul(data->range_descriptor_length) / 2239 sizeof(struct scsi_range_desc)) != 0) { 2240 ctl_set_invalid_field(ctsio, /*sks_valid*/ 0, 2241 /*command*/ 0, /*field*/ 0, /*bit_valid*/ 0, 2242 /*bit*/ 0); 2243 goto done; 2244 } 2245 2246 list = malloc(sizeof(struct tpc_list), M_CTL, M_WAITOK | M_ZERO); 2247 list->service_action = cdb->service_action; 2248 list->init_port = ctsio->io_hdr.nexus.targ_port; 2249 list->init_idx = ctl_get_initindex(&ctsio->io_hdr.nexus); 2250 list->list_id = scsi_4btoul(cdb->list_identifier); 2251 list->flags = data->flags; 2252 list->params = ctsio->kern_data_ptr; 2253 list->range = &data->desc[0]; 2254 list->nrange = scsi_2btoul(data->range_descriptor_length) / 2255 sizeof(struct scsi_range_desc); 2256 list->offset_into_rod = scsi_8btou64(data->offset_into_rod); 2257 list->ctsio = ctsio; 2258 list->lun = lun; 2259 mtx_lock(&lun->lun_lock); 2260 tlist = tpc_find_list(lun, list->list_id, list->init_idx); 2261 if (tlist != NULL && !tlist->completed) { 2262 mtx_unlock(&lun->lun_lock); 2263 free(list, M_CTL); 2264 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, 2265 /*command*/ 0, /*field*/ 0, /*bit_valid*/ 0, 2266 /*bit*/ 0); 2267 goto done; 2268 } 2269 if (tlist != NULL) { 2270 TAILQ_REMOVE(&lun->tpc_lists, tlist, links); 2271 free(tlist, M_CTL); 2272 } 2273 TAILQ_INSERT_TAIL(&lun->tpc_lists, list, links); 2274 mtx_unlock(&lun->lun_lock); 2275 2276 /* Block device zero ROD token -> no token. */ 2277 if (scsi_4btoul(data->rod_token) == ROD_TYPE_BLOCK_ZERO) { 2278 tpc_process(list); 2279 return (CTL_RETVAL_COMPLETE); 2280 } 2281 2282 mtx_lock(&softc->tpc_lock); 2283 TAILQ_FOREACH(token, &softc->tpc_tokens, links) { 2284 if (memcmp(token->token, data->rod_token, 2285 sizeof(data->rod_token)) == 0) 2286 break; 2287 } 2288 if (token != NULL) { 2289 token->active++; 2290 list->token = token; 2291 if (data->flags & EC_WUT_DEL_TKN) 2292 token->timeout = 0; 2293 } 2294 mtx_unlock(&softc->tpc_lock); 2295 if (token == NULL) { 2296 mtx_lock(&lun->lun_lock); 2297 TAILQ_REMOVE(&lun->tpc_lists, list, links); 2298 mtx_unlock(&lun->lun_lock); 2299 free(list, M_CTL); 2300 ctl_set_sense(ctsio, /*current_error*/ 1, 2301 /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST, 2302 /*asc*/ 0x23, /*ascq*/ 0x04, SSD_ELEM_NONE); 2303 goto done; 2304 } 2305 2306 tpc_process(list); 2307 return (CTL_RETVAL_COMPLETE); 2308 2309done: 2310 if (ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) { 2311 free(ctsio->kern_data_ptr, M_CTL); 2312 ctsio->io_hdr.flags &= ~CTL_FLAG_ALLOCATED; 2313 } 2314 ctl_done((union ctl_io *)ctsio); 2315 return (CTL_RETVAL_COMPLETE); 2316} 2317 2318int 2319ctl_receive_rod_token_information(struct ctl_scsiio *ctsio) 2320{ 2321 struct ctl_lun *lun = CTL_LUN(ctsio); 2322 struct scsi_receive_rod_token_information *cdb; 2323 struct scsi_receive_copy_status_lid4_data *data; 2324 struct tpc_list *list; 2325 struct tpc_list list_copy; 2326 uint8_t *ptr; 2327 int retval; 2328 int alloc_len, total_len, token_len; 2329 uint32_t list_id; 2330 2331 CTL_DEBUG_PRINT(("ctl_receive_rod_token_information\n")); 2332 2333 cdb = (struct scsi_receive_rod_token_information *)ctsio->cdb; 2334 retval = CTL_RETVAL_COMPLETE; 2335 2336 list_id = scsi_4btoul(cdb->list_identifier); 2337 mtx_lock(&lun->lun_lock); 2338 list = tpc_find_list(lun, list_id, 2339 ctl_get_initindex(&ctsio->io_hdr.nexus)); 2340 if (list == NULL) { 2341 mtx_unlock(&lun->lun_lock); 2342 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, 2343 /*command*/ 1, /*field*/ 2, /*bit_valid*/ 0, 2344 /*bit*/ 0); 2345 ctl_done((union ctl_io *)ctsio); 2346 return (retval); 2347 } 2348 list_copy = *list; 2349 if (list->completed) { 2350 TAILQ_REMOVE(&lun->tpc_lists, list, links); 2351 free(list, M_CTL); 2352 } 2353 mtx_unlock(&lun->lun_lock); 2354 2355 token_len = list_copy.res_token_valid ? 2 + sizeof(list_copy.res_token) : 0; 2356 total_len = sizeof(*data) + list_copy.sense_len + 4 + token_len; 2357 alloc_len = scsi_4btoul(cdb->length); 2358 2359 ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO); 2360 ctsio->kern_sg_entries = 0; 2361 ctsio->kern_rel_offset = 0; 2362 ctsio->kern_data_len = min(total_len, alloc_len); 2363 ctsio->kern_total_len = ctsio->kern_data_len; 2364 2365 data = (struct scsi_receive_copy_status_lid4_data *)ctsio->kern_data_ptr; 2366 scsi_ulto4b(sizeof(*data) - 4 + list_copy.sense_len + 2367 4 + token_len, data->available_data); 2368 data->response_to_service_action = list_copy.service_action; 2369 if (list_copy.completed) { 2370 if (list_copy.error) 2371 data->copy_command_status = RCS_CCS_ERROR; 2372 else if (list_copy.abort) 2373 data->copy_command_status = RCS_CCS_ABORTED; 2374 else 2375 data->copy_command_status = RCS_CCS_COMPLETED; 2376 } else 2377 data->copy_command_status = RCS_CCS_INPROG_FG; 2378 scsi_ulto2b(list_copy.curops, data->operation_counter); 2379 scsi_ulto4b(UINT32_MAX, data->estimated_status_update_delay); 2380 data->transfer_count_units = RCS_TC_LBAS; 2381 scsi_u64to8b(list_copy.cursectors, data->transfer_count); 2382 scsi_ulto2b(list_copy.curseg, data->segments_processed); 2383 data->length_of_the_sense_data_field = list_copy.sense_len; 2384 data->sense_data_length = list_copy.sense_len; 2385 memcpy(data->sense_data, &list_copy.sense_data, list_copy.sense_len); 2386 2387 ptr = &data->sense_data[data->length_of_the_sense_data_field]; 2388 scsi_ulto4b(token_len, &ptr[0]); 2389 if (list_copy.res_token_valid) { 2390 scsi_ulto2b(0, &ptr[4]); 2391 memcpy(&ptr[6], list_copy.res_token, sizeof(list_copy.res_token)); 2392 } 2393/* 2394 printf("RRTI(list=%u) valid=%d\n", 2395 scsi_4btoul(cdb->list_identifier), list_copy.res_token_valid); 2396*/ 2397 ctl_set_success(ctsio); 2398 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED; 2399 ctsio->be_move_done = ctl_config_move_done; 2400 ctl_datamove((union ctl_io *)ctsio); 2401 return (retval); 2402} 2403 2404int 2405ctl_report_all_rod_tokens(struct ctl_scsiio *ctsio) 2406{ 2407 struct ctl_softc *softc = CTL_SOFTC(ctsio); 2408 struct scsi_report_all_rod_tokens *cdb; 2409 struct scsi_report_all_rod_tokens_data *data; 2410 struct tpc_token *token; 2411 int retval; 2412 int alloc_len, total_len, tokens, i; 2413 2414 CTL_DEBUG_PRINT(("ctl_receive_rod_token_information\n")); 2415 2416 cdb = (struct scsi_report_all_rod_tokens *)ctsio->cdb; 2417 retval = CTL_RETVAL_COMPLETE; 2418 2419 tokens = 0; 2420 mtx_lock(&softc->tpc_lock); 2421 TAILQ_FOREACH(token, &softc->tpc_tokens, links) 2422 tokens++; 2423 mtx_unlock(&softc->tpc_lock); 2424 if (tokens > 512) 2425 tokens = 512; 2426 2427 total_len = sizeof(*data) + tokens * 96; 2428 alloc_len = scsi_4btoul(cdb->length); 2429 2430 ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO); 2431 ctsio->kern_sg_entries = 0; 2432 ctsio->kern_rel_offset = 0; 2433 ctsio->kern_data_len = min(total_len, alloc_len); 2434 ctsio->kern_total_len = ctsio->kern_data_len; 2435 2436 data = (struct scsi_report_all_rod_tokens_data *)ctsio->kern_data_ptr; 2437 i = 0; 2438 mtx_lock(&softc->tpc_lock); 2439 TAILQ_FOREACH(token, &softc->tpc_tokens, links) { 2440 if (i >= tokens) 2441 break; 2442 memcpy(&data->rod_management_token_list[i * 96], 2443 token->token, 96); 2444 i++; 2445 } 2446 mtx_unlock(&softc->tpc_lock); 2447 scsi_ulto4b(sizeof(*data) - 4 + i * 96, data->available_data); 2448/* 2449 printf("RART tokens=%d\n", i); 2450*/ 2451 ctl_set_success(ctsio); 2452 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED; 2453 ctsio->be_move_done = ctl_config_move_done; 2454 ctl_datamove((union ctl_io *)ctsio); 2455 return (retval); 2456} 2457 2458