Lines Matching +full:lbp +full:- +full:enable
1 // SPDX-License-Identifier: GPL-2.0-only
10 * - Drew Eckhardt <drew@colorado.edu> original
11 * - Eric Youngdale <eric@andante.org> add scatter-gather, multiple
13 * Support loadable low-level scsi drivers.
14 * - Jirka Hanika <geo@ff.cuni.cz> support more scsi disks using
16 * - Richard Gooch <rgooch@atnf.csiro.au> support devfs.
17 * - Torben Mathiasen <tmm@image.dk> Resource allocation fixes in
19 * - Alex Davis <letmein@erols.com> Fix problem where partition info
22 * - Douglas Gilbert <dgilbert@interlog.com> cleanup for lk 2.5.x
23 * - Badari Pulavarty <pbadari@us.ibm.com>, Matthew Wilcox
28 * - setting up transfer: SCSI_LOG_HLQUEUE levels 1 and 2
29 * - end of transfer (bh + scsi_lib): SCSI_LOG_HLCOMPLETE level 1
30 * - entering sd_ioctl: SCSI_LOG_IOCTL level 1
31 * - entering other commands: SCSI_LOG_HLQUEUE level 3
48 #include <linux/blk-pm.h>
54 #include <linux/sed-opal.h>
57 #include <linux/t10-pi.h>
125 if (sdkp->WCE) { in sd_set_flush_flag()
127 if (sdkp->DPOFUA) in sd_set_flush_flag()
131 blk_queue_write_cache(sdkp->disk->queue, wc, fua); in sd_set_flush_flag()
140 struct scsi_device *sdp = sdkp->device; in cache_type_store()
148 if (sdp->type != TYPE_DISK && sdp->type != TYPE_ZBC) in cache_type_store()
152 return -EINVAL; in cache_type_store()
154 if (strncmp(buf, temp, sizeof(temp) - 1) == 0) { in cache_type_store()
155 buf += sizeof(temp) - 1; in cache_type_store()
156 sdkp->cache_override = 1; in cache_type_store()
158 sdkp->cache_override = 0; in cache_type_store()
163 return -EINVAL; in cache_type_store()
166 wce = (ct & 0x02) && !sdkp->write_prot ? 1 : 0; in cache_type_store()
168 if (sdkp->cache_override) { in cache_type_store()
169 sdkp->WCE = wce; in cache_type_store()
170 sdkp->RCD = rcd; in cache_type_store()
176 sdkp->max_retries, &data, NULL)) in cache_type_store()
177 return -EINVAL; in cache_type_store()
178 len = min_t(size_t, sizeof(buffer), data.length - data.header_length - in cache_type_store()
194 sdkp->max_retries, &data, &sshdr)) { in cache_type_store()
197 return -EINVAL; in cache_type_store()
199 sd_revalidate_disk(sdkp->disk); in cache_type_store()
208 struct scsi_device *sdp = sdkp->device; in manage_start_stop_show()
211 sdp->manage_system_start_stop && in manage_start_stop_show()
212 sdp->manage_runtime_start_stop && in manage_start_stop_show()
213 sdp->manage_shutdown); in manage_start_stop_show()
222 struct scsi_device *sdp = sdkp->device; in manage_system_start_stop_show()
224 return sysfs_emit(buf, "%u\n", sdp->manage_system_start_stop); in manage_system_start_stop_show()
233 struct scsi_device *sdp = sdkp->device; in manage_system_start_stop_store()
237 return -EACCES; in manage_system_start_stop_store()
240 return -EINVAL; in manage_system_start_stop_store()
242 sdp->manage_system_start_stop = v; in manage_system_start_stop_store()
253 struct scsi_device *sdp = sdkp->device; in manage_runtime_start_stop_show()
255 return sysfs_emit(buf, "%u\n", sdp->manage_runtime_start_stop); in manage_runtime_start_stop_show()
264 struct scsi_device *sdp = sdkp->device; in manage_runtime_start_stop_store()
268 return -EACCES; in manage_runtime_start_stop_store()
271 return -EINVAL; in manage_runtime_start_stop_store()
273 sdp->manage_runtime_start_stop = v; in manage_runtime_start_stop_store()
283 struct scsi_device *sdp = sdkp->device; in manage_shutdown_show()
285 return sysfs_emit(buf, "%u\n", sdp->manage_shutdown); in manage_shutdown_show()
293 struct scsi_device *sdp = sdkp->device; in manage_shutdown_store()
297 return -EACCES; in manage_shutdown_store()
300 return -EINVAL; in manage_shutdown_store()
302 sdp->manage_shutdown = v; in manage_shutdown_store()
313 return sprintf(buf, "%u\n", sdkp->device->allow_restart); in allow_restart_show()
322 struct scsi_device *sdp = sdkp->device; in allow_restart_store()
325 return -EACCES; in allow_restart_store()
327 if (sdp->type != TYPE_DISK && sdp->type != TYPE_ZBC) in allow_restart_store()
328 return -EINVAL; in allow_restart_store()
331 return -EINVAL; in allow_restart_store()
333 sdp->allow_restart = v; in allow_restart_store()
343 int ct = sdkp->RCD + 2*sdkp->WCE; in cache_type_show()
354 return sprintf(buf, "%u\n", sdkp->DPOFUA); in FUA_show()
364 return sprintf(buf, "%u\n", sdkp->protection_type); in protection_type_show()
376 return -EACCES; in protection_type_store()
384 sdkp->protection_type = val; in protection_type_store()
395 struct scsi_device *sdp = sdkp->device; in protection_mode_show()
398 dif = scsi_host_dif_capable(sdp->host, sdkp->protection_type); in protection_mode_show()
399 dix = scsi_host_dix_capable(sdp->host, sdkp->protection_type); in protection_mode_show()
401 if (!dix && scsi_host_dix_capable(sdp->host, T10_PI_TYPE0_PROTECTION)) { in protection_mode_show()
418 return sprintf(buf, "%u\n", sdkp->ATO); in app_tag_own_show()
428 return sprintf(buf, "%u\n", sdkp->lbpme); in thin_provisioning_show()
448 return sprintf(buf, "%s\n", lbp_mode[sdkp->provisioning_mode]); in provisioning_mode_show()
456 struct scsi_device *sdp = sdkp->device; in provisioning_mode_store()
460 return -EACCES; in provisioning_mode_store()
467 if (sdp->type != TYPE_DISK) in provisioning_mode_store()
468 return -EINVAL; in provisioning_mode_store()
472 return -EINVAL; in provisioning_mode_store()
494 return sprintf(buf, "%s\n", zeroing_mode[sdkp->zeroing_mode]); in zeroing_mode_show()
505 return -EACCES; in zeroing_mode_store()
509 return -EINVAL; in zeroing_mode_store()
511 sdkp->zeroing_mode = mode; in zeroing_mode_store()
523 return sprintf(buf, "%u\n", sdkp->max_medium_access_timeouts); in max_medium_access_timeouts_show()
535 return -EACCES; in max_medium_access_timeouts_store()
537 err = kstrtouint(buf, 10, &sdkp->max_medium_access_timeouts); in max_medium_access_timeouts_store()
549 return sprintf(buf, "%u\n", sdkp->max_ws_blocks); in max_write_same_blocks_show()
557 struct scsi_device *sdp = sdkp->device; in max_write_same_blocks_store()
562 return -EACCES; in max_write_same_blocks_store()
564 if (sdp->type != TYPE_DISK && sdp->type != TYPE_ZBC) in max_write_same_blocks_store()
565 return -EINVAL; in max_write_same_blocks_store()
573 sdp->no_write_same = 1; in max_write_same_blocks_store()
575 sdp->no_write_same = 0; in max_write_same_blocks_store()
576 sdkp->max_ws_blocks = max; in max_write_same_blocks_store()
590 if (sdkp->device->type == TYPE_ZBC) in zoned_cap_show()
591 return sprintf(buf, "host-managed\n"); in zoned_cap_show()
592 if (sdkp->zoned == 1) in zoned_cap_show()
593 return sprintf(buf, "host-aware\n"); in zoned_cap_show()
594 if (sdkp->zoned == 2) in zoned_cap_show()
595 return sprintf(buf, "drive-managed\n"); in zoned_cap_show()
605 struct scsi_device *sdev = sdkp->device; in max_retries_store()
613 sdkp->max_retries = retries; in max_retries_store()
617 sdev_printk(KERN_ERR, sdev, "max_retries must be between -1 and %d\n", in max_retries_store()
619 return -EINVAL; in max_retries_store()
628 return sprintf(buf, "%d\n", sdkp->max_retries); in max_retries_show()
673 * |............|.............|....|....| <- dev_t
676 * Inside a major, we have 16k disks, however mapped non-
681 * the well-know SCSI majors 8, 65--71, 136--143.
689 return SCSI_DISK1_MAJOR + major_idx - 1; in sd_major()
691 return SCSI_DISK8_MAJOR + major_idx - 8; in sd_major()
703 struct scsi_device *sdev = sdkp->device; in sd_sec_submit()
716 buffer, len, SD_TIMEOUT, sdkp->max_retries, in sd_sec_submit()
718 return ret <= 0 ? ret : -EIO; in sd_sec_submit()
788 struct bio *bio = rq->bio; in sd_setup_protect_cmnd()
794 scmd->prot_flags |= SCSI_PROT_IP_CHECKSUM; in sd_setup_protect_cmnd()
797 scmd->prot_flags |= SCSI_PROT_GUARD_CHECK; in sd_setup_protect_cmnd()
801 scmd->prot_flags |= SCSI_PROT_REF_INCREMENT; in sd_setup_protect_cmnd()
804 scmd->prot_flags |= SCSI_PROT_REF_CHECK; in sd_setup_protect_cmnd()
808 scmd->prot_flags |= SCSI_PROT_TRANSFER_PI; in sd_setup_protect_cmnd()
813 protect = 1 << 5; /* Enable target PI checking */ in sd_setup_protect_cmnd()
818 scmd->prot_flags &= sd_prot_flag_mask(prot_op); in sd_setup_protect_cmnd()
825 struct request_queue *q = sdkp->disk->queue; in sd_config_discard()
826 unsigned int logical_block_size = sdkp->device->sector_size; in sd_config_discard()
829 q->limits.discard_alignment = in sd_config_discard()
830 sdkp->unmap_alignment * logical_block_size; in sd_config_discard()
831 q->limits.discard_granularity = in sd_config_discard()
832 max(sdkp->physical_block_size, in sd_config_discard()
833 sdkp->unmap_granularity * logical_block_size); in sd_config_discard()
834 sdkp->provisioning_mode = mode; in sd_config_discard()
844 max_blocks = min_not_zero(sdkp->max_unmap_blocks, in sd_config_discard()
849 if (sdkp->device->unmap_limit_for_ws) in sd_config_discard()
850 max_blocks = sdkp->max_unmap_blocks; in sd_config_discard()
852 max_blocks = sdkp->max_ws_blocks; in sd_config_discard()
858 if (sdkp->device->unmap_limit_for_ws) in sd_config_discard()
859 max_blocks = sdkp->max_unmap_blocks; in sd_config_discard()
861 max_blocks = sdkp->max_ws_blocks; in sd_config_discard()
867 max_blocks = min_not_zero(sdkp->max_ws_blocks, in sd_config_discard()
883 bvec_set_page(&rq->special_vec, page, data_len, 0); in sd_set_special_bvec()
884 rq->rq_flags |= RQF_SPECIAL_PAYLOAD; in sd_set_special_bvec()
885 return bvec_virt(&rq->special_vec); in sd_set_special_bvec()
890 struct scsi_device *sdp = cmd->device; in sd_setup_unmap_cmnd()
892 struct scsi_disk *sdkp = scsi_disk(rq->q->disk); in sd_setup_unmap_cmnd()
902 cmd->cmd_len = 10; in sd_setup_unmap_cmnd()
903 cmd->cmnd[0] = UNMAP; in sd_setup_unmap_cmnd()
904 cmd->cmnd[8] = 24; in sd_setup_unmap_cmnd()
911 cmd->allowed = sdkp->max_retries; in sd_setup_unmap_cmnd()
912 cmd->transfersize = data_len; in sd_setup_unmap_cmnd()
913 rq->timeout = SD_TIMEOUT; in sd_setup_unmap_cmnd()
921 struct scsi_device *sdp = cmd->device; in sd_setup_write_same16_cmnd()
923 struct scsi_disk *sdkp = scsi_disk(rq->q->disk); in sd_setup_write_same16_cmnd()
926 u32 data_len = sdp->sector_size; in sd_setup_write_same16_cmnd()
931 cmd->cmd_len = 16; in sd_setup_write_same16_cmnd()
932 cmd->cmnd[0] = WRITE_SAME_16; in sd_setup_write_same16_cmnd()
934 cmd->cmnd[1] = 0x8; /* UNMAP */ in sd_setup_write_same16_cmnd()
935 put_unaligned_be64(lba, &cmd->cmnd[2]); in sd_setup_write_same16_cmnd()
936 put_unaligned_be32(nr_blocks, &cmd->cmnd[10]); in sd_setup_write_same16_cmnd()
938 cmd->allowed = sdkp->max_retries; in sd_setup_write_same16_cmnd()
939 cmd->transfersize = data_len; in sd_setup_write_same16_cmnd()
940 rq->timeout = unmap ? SD_TIMEOUT : SD_WRITE_SAME_TIMEOUT; in sd_setup_write_same16_cmnd()
948 struct scsi_device *sdp = cmd->device; in sd_setup_write_same10_cmnd()
950 struct scsi_disk *sdkp = scsi_disk(rq->q->disk); in sd_setup_write_same10_cmnd()
953 u32 data_len = sdp->sector_size; in sd_setup_write_same10_cmnd()
958 cmd->cmd_len = 10; in sd_setup_write_same10_cmnd()
959 cmd->cmnd[0] = WRITE_SAME; in sd_setup_write_same10_cmnd()
961 cmd->cmnd[1] = 0x8; /* UNMAP */ in sd_setup_write_same10_cmnd()
962 put_unaligned_be32(lba, &cmd->cmnd[2]); in sd_setup_write_same10_cmnd()
963 put_unaligned_be16(nr_blocks, &cmd->cmnd[7]); in sd_setup_write_same10_cmnd()
965 cmd->allowed = sdkp->max_retries; in sd_setup_write_same10_cmnd()
966 cmd->transfersize = data_len; in sd_setup_write_same10_cmnd()
967 rq->timeout = unmap ? SD_TIMEOUT : SD_WRITE_SAME_TIMEOUT; in sd_setup_write_same10_cmnd()
975 struct scsi_device *sdp = cmd->device; in sd_setup_write_zeroes_cmnd()
976 struct scsi_disk *sdkp = scsi_disk(rq->q->disk); in sd_setup_write_zeroes_cmnd()
980 if (!(rq->cmd_flags & REQ_NOUNMAP)) { in sd_setup_write_zeroes_cmnd()
981 switch (sdkp->zeroing_mode) { in sd_setup_write_zeroes_cmnd()
989 if (sdp->no_write_same) { in sd_setup_write_zeroes_cmnd()
990 rq->rq_flags |= RQF_QUIET; in sd_setup_write_zeroes_cmnd()
994 if (sdkp->ws16 || lba > 0xffffffff || nr_blocks > 0xffff) in sd_setup_write_zeroes_cmnd()
1002 struct request_queue *q = sdkp->disk->queue; in sd_config_write_same()
1003 unsigned int logical_block_size = sdkp->device->sector_size; in sd_config_write_same()
1005 if (sdkp->device->no_write_same) { in sd_config_write_same()
1006 sdkp->max_ws_blocks = 0; in sd_config_write_same()
1015 if (sdkp->max_ws_blocks > SD_MAX_WS10_BLOCKS) in sd_config_write_same()
1016 sdkp->max_ws_blocks = min_not_zero(sdkp->max_ws_blocks, in sd_config_write_same()
1018 else if (sdkp->ws16 || sdkp->ws10 || sdkp->device->no_report_opcodes) in sd_config_write_same()
1019 sdkp->max_ws_blocks = min_not_zero(sdkp->max_ws_blocks, in sd_config_write_same()
1022 sdkp->device->no_write_same = 1; in sd_config_write_same()
1023 sdkp->max_ws_blocks = 0; in sd_config_write_same()
1026 if (sdkp->lbprz && sdkp->lbpws) in sd_config_write_same()
1027 sdkp->zeroing_mode = SD_ZERO_WS16_UNMAP; in sd_config_write_same()
1028 else if (sdkp->lbprz && sdkp->lbpws10) in sd_config_write_same()
1029 sdkp->zeroing_mode = SD_ZERO_WS10_UNMAP; in sd_config_write_same()
1030 else if (sdkp->max_ws_blocks) in sd_config_write_same()
1031 sdkp->zeroing_mode = SD_ZERO_WS; in sd_config_write_same()
1033 sdkp->zeroing_mode = SD_ZERO_WRITE; in sd_config_write_same()
1035 if (sdkp->max_ws_blocks && in sd_config_write_same()
1036 sdkp->physical_block_size > logical_block_size) { in sd_config_write_same()
1047 * host-managed ZBC disks. in sd_config_write_same()
1049 sdkp->max_ws_blocks = in sd_config_write_same()
1050 round_down(sdkp->max_ws_blocks, in sd_config_write_same()
1051 bytes_to_logical(sdkp->device, in sd_config_write_same()
1052 sdkp->physical_block_size)); in sd_config_write_same()
1056 blk_queue_max_write_zeroes_sectors(q, sdkp->max_ws_blocks * in sd_config_write_same()
1063 struct scsi_disk *sdkp = scsi_disk(rq->q->disk); in sd_setup_flush_cmnd()
1066 memset(&cmd->sdb, 0, sizeof(cmd->sdb)); in sd_setup_flush_cmnd()
1068 if (cmd->device->use_16_for_sync) { in sd_setup_flush_cmnd()
1069 cmd->cmnd[0] = SYNCHRONIZE_CACHE_16; in sd_setup_flush_cmnd()
1070 cmd->cmd_len = 16; in sd_setup_flush_cmnd()
1072 cmd->cmnd[0] = SYNCHRONIZE_CACHE; in sd_setup_flush_cmnd()
1073 cmd->cmd_len = 10; in sd_setup_flush_cmnd()
1075 cmd->transfersize = 0; in sd_setup_flush_cmnd()
1076 cmd->allowed = sdkp->max_retries; in sd_setup_flush_cmnd()
1078 rq->timeout = rq->q->rq_timeout * SD_FLUSH_TIMEOUT_MULTIPLIER; in sd_setup_flush_cmnd()
1086 cmd->cmd_len = SD_EXT_CDB_SIZE; in sd_setup_rw32_cmnd()
1087 cmd->cmnd[0] = VARIABLE_LENGTH_CMD; in sd_setup_rw32_cmnd()
1088 cmd->cmnd[7] = 0x18; /* Additional CDB len */ in sd_setup_rw32_cmnd()
1089 cmd->cmnd[9] = write ? WRITE_32 : READ_32; in sd_setup_rw32_cmnd()
1090 cmd->cmnd[10] = flags; in sd_setup_rw32_cmnd()
1091 cmd->cmnd[11] = dld & 0x07; in sd_setup_rw32_cmnd()
1092 put_unaligned_be64(lba, &cmd->cmnd[12]); in sd_setup_rw32_cmnd()
1093 put_unaligned_be32(lba, &cmd->cmnd[20]); /* Expected Indirect LBA */ in sd_setup_rw32_cmnd()
1094 put_unaligned_be32(nr_blocks, &cmd->cmnd[28]); in sd_setup_rw32_cmnd()
1103 cmd->cmd_len = 16; in sd_setup_rw16_cmnd()
1104 cmd->cmnd[0] = write ? WRITE_16 : READ_16; in sd_setup_rw16_cmnd()
1105 cmd->cmnd[1] = flags | ((dld >> 2) & 0x01); in sd_setup_rw16_cmnd()
1106 cmd->cmnd[14] = (dld & 0x03) << 6; in sd_setup_rw16_cmnd()
1107 cmd->cmnd[15] = 0; in sd_setup_rw16_cmnd()
1108 put_unaligned_be64(lba, &cmd->cmnd[2]); in sd_setup_rw16_cmnd()
1109 put_unaligned_be32(nr_blocks, &cmd->cmnd[10]); in sd_setup_rw16_cmnd()
1118 cmd->cmd_len = 10; in sd_setup_rw10_cmnd()
1119 cmd->cmnd[0] = write ? WRITE_10 : READ_10; in sd_setup_rw10_cmnd()
1120 cmd->cmnd[1] = flags; in sd_setup_rw10_cmnd()
1121 cmd->cmnd[6] = 0; in sd_setup_rw10_cmnd()
1122 cmd->cmnd[9] = 0; in sd_setup_rw10_cmnd()
1123 put_unaligned_be32(lba, &cmd->cmnd[2]); in sd_setup_rw10_cmnd()
1124 put_unaligned_be16(nr_blocks, &cmd->cmnd[7]); in sd_setup_rw10_cmnd()
1147 cmd->cmd_len = 6; in sd_setup_rw6_cmnd()
1148 cmd->cmnd[0] = write ? WRITE_6 : READ_6; in sd_setup_rw6_cmnd()
1149 cmd->cmnd[1] = (lba >> 16) & 0x1f; in sd_setup_rw6_cmnd()
1150 cmd->cmnd[2] = (lba >> 8) & 0xff; in sd_setup_rw6_cmnd()
1151 cmd->cmnd[3] = lba & 0xff; in sd_setup_rw6_cmnd()
1152 cmd->cmnd[4] = nr_blocks; in sd_setup_rw6_cmnd()
1153 cmd->cmnd[5] = 0; in sd_setup_rw6_cmnd()
1165 struct scsi_device *sdp = sdkp->device; in sd_cdl_dld()
1168 if (!sdp->cdl_supported || !sdp->cdl_enable) in sd_cdl_dld()
1180 return (hint - IOPRIO_HINT_DEV_DURATION_LIMIT_1) + 1; in sd_cdl_dld()
1186 struct scsi_device *sdp = cmd->device; in sd_setup_read_write_cmnd()
1187 struct scsi_disk *sdkp = scsi_disk(rq->q->disk); in sd_setup_read_write_cmnd()
1191 unsigned int mask = logical_to_sectors(sdp, 1) - 1; in sd_setup_read_write_cmnd()
1204 if (!scsi_device_online(sdp) || sdp->changed) { in sd_setup_read_write_cmnd()
1209 if (blk_rq_pos(rq) + blk_rq_sectors(rq) > get_capacity(rq->q->disk)) { in sd_setup_read_write_cmnd()
1223 threshold = sdkp->capacity - SD_LAST_BUGGY_SECTORS; in sd_setup_read_write_cmnd()
1225 if (unlikely(sdp->last_sector_bug && lba + nr_blocks > threshold)) { in sd_setup_read_write_cmnd()
1228 nr_blocks = threshold - lba; in sd_setup_read_write_cmnd()
1241 fua = rq->cmd_flags & REQ_FUA ? 0x8 : 0; in sd_setup_read_write_cmnd()
1243 dif = scsi_host_dif_capable(cmd->device->host, sdkp->protection_type); in sd_setup_read_write_cmnd()
1251 if (protect && sdkp->protection_type == T10_PI_TYPE2_PROTECTION) { in sd_setup_read_write_cmnd()
1254 } else if (sdp->use_16_for_rw || (nr_blocks > 0xffff)) { in sd_setup_read_write_cmnd()
1258 sdp->use_10_for_rw || protect) { in sd_setup_read_write_cmnd()
1274 cmd->transfersize = sdp->sector_size; in sd_setup_read_write_cmnd()
1275 cmd->underflow = nr_blocks << 9; in sd_setup_read_write_cmnd()
1276 cmd->allowed = sdkp->max_retries; in sd_setup_read_write_cmnd()
1277 cmd->sdb.length = nr_blocks * sdp->sector_size; in sd_setup_read_write_cmnd()
1305 switch (scsi_disk(rq->q->disk)->provisioning_mode) { in sd_init_command()
1347 if (rq->rq_flags & RQF_SPECIAL_PAYLOAD) in sd_uninit_command()
1348 mempool_free(rq->special_vec.bv_page, sd_page_pool); in sd_uninit_command()
1353 if (sdkp->device->removable || sdkp->write_prot) { in sd_need_revalidate()
1363 return test_bit(GD_NEED_PART_SCAN, &disk->state); in sd_need_revalidate()
1367 * sd_open - open a scsi disk device
1379 * Locking: called with disk->open_mutex held.
1384 struct scsi_device *sdev = sdkp->device; in sd_open()
1388 return -ENXIO; in sd_open()
1396 retval = -ENXIO; in sd_open()
1406 retval = -ENOMEDIUM; in sd_open()
1407 if (sdev->removable && !sdkp->media_present && in sd_open()
1415 retval = -EROFS; in sd_open()
1416 if (sdkp->write_prot && (mode & BLK_OPEN_WRITE)) in sd_open()
1425 retval = -ENXIO; in sd_open()
1429 if ((atomic_inc_return(&sdkp->openers) == 1) && sdev->removable) { in sd_open()
1442 * sd_release - invoked when the (last) close(2) is called on this
1451 * Locking: called with disk->open_mutex held.
1456 struct scsi_device *sdev = sdkp->device; in sd_release()
1460 if (atomic_dec_return(&sdkp->openers) == 0 && sdev->removable) { in sd_release()
1470 struct scsi_disk *sdkp = scsi_disk(bdev->bd_disk); in sd_getgeo()
1471 struct scsi_device *sdp = sdkp->device; in sd_getgeo()
1472 struct Scsi_Host *host = sdp->host; in sd_getgeo()
1473 sector_t capacity = logical_to_sectors(sdp, sdkp->capacity); in sd_getgeo()
1482 if (host->hostt->bios_param) in sd_getgeo()
1483 host->hostt->bios_param(sdp, bdev, capacity, diskinfo); in sd_getgeo()
1487 geo->heads = diskinfo[0]; in sd_getgeo()
1488 geo->sectors = diskinfo[1]; in sd_getgeo()
1489 geo->cylinders = diskinfo[2]; in sd_getgeo()
1494 * sd_ioctl - process an ioctl
1510 struct gendisk *disk = bdev->bd_disk; in sd_ioctl()
1512 struct scsi_device *sdp = sdkp->device; in sd_ioctl()
1517 "cmd=0x%x\n", disk->disk_name, cmd)); in sd_ioctl()
1520 return -ENOIOCTLCMD; in sd_ioctl()
1534 return sed_ioctl(sdkp->opal_dev, cmd, p); in sd_ioctl()
1540 if (sdkp->media_present) in set_media_not_present()
1541 sdkp->device->changed = 1; in set_media_not_present()
1543 if (sdkp->device->removable) { in set_media_not_present()
1544 sdkp->media_present = 0; in set_media_not_present()
1545 sdkp->capacity = 0; in set_media_not_present()
1556 switch (sshdr->sense_key) { in media_not_present()
1560 if (sshdr->asc == 0x3A) { in media_not_present()
1569 * sd_check_events - check media events
1579 struct scsi_disk *sdkp = disk->private_data; in sd_check_events()
1587 sdp = sdkp->device; in sd_check_events()
1591 * If the device is offline, don't send any commands - just pretend as in sd_check_events()
1603 * no cartridge loaded - NOT READY, drive with changed cartridge - in sd_check_events()
1604 * UNIT ATTENTION, or with same cartridge - GOOD STATUS. in sd_check_events()
1613 retval = scsi_test_unit_ready(sdp, SD_TIMEOUT, sdkp->max_retries, in sd_check_events()
1630 if (!sdkp->media_present) in sd_check_events()
1631 sdp->changed = 1; in sd_check_events()
1632 sdkp->media_present = 1; in sd_check_events()
1635 * sdp->changed is set under the following conditions: in sd_check_events()
1640 disk_changed = sdp->changed; in sd_check_events()
1641 sdp->changed = 0; in sd_check_events()
1648 struct scsi_device *sdp = sdkp->device; in sd_sync_cache()
1649 const int timeout = sdp->request_queue->rq_timeout in sd_sync_cache()
1658 return -ENODEV; in sd_sync_cache()
1660 for (retries = 3; retries > 0; --retries) { in sd_sync_cache()
1663 if (sdp->use_16_for_sync) in sd_sync_cache()
1672 timeout, sdkp->max_retries, &exec_args); in sd_sync_cache()
1715 return -EBUSY; in sd_sync_cache()
1717 return -EIO; in sd_sync_cache()
1727 sd_revalidate_disk(sdkp->disk); in sd_rescan()
1733 struct scsi_device *sdev = scsi_disk(disk)->device; in sd_get_unique_id()
1736 int ret = -ENXIO, len; in sd_get_unique_id()
1739 vpd = rcu_dereference(sdev->vpd_pg83); in sd_get_unique_id()
1743 ret = -EINVAL; in sd_get_unique_id()
1744 for (d = vpd->data + 4; d < vpd->data + vpd->len; d += d[3] + 4) { in sd_get_unique_id()
1752 * Only exit early if a 16-byte descriptor was found. Otherwise in sd_get_unique_id()
1788 if (sshdr->sense_key == ILLEGAL_REQUEST && in sd_scsi_to_pr_err()
1789 (sshdr->asc == 0x26 || sshdr->asc == 0x24)) in sd_scsi_to_pr_err()
1790 return -EINVAL; in sd_scsi_to_pr_err()
1801 struct scsi_disk *sdkp = scsi_disk(bdev->bd_disk); in sd_pr_in_command()
1802 struct scsi_device *sdev = sdkp->device; in sd_pr_in_command()
1813 SD_TIMEOUT, sdkp->max_retries, &exec_args); in sd_pr_in_command()
1829 u32 num_keys = keys_info->num_keys; in sd_pr_read_keys()
1835 return -ENOMEM; in sd_pr_read_keys()
1841 keys_info->generation = get_unaligned_be32(&data[0]); in sd_pr_read_keys()
1842 keys_info->num_keys = get_unaligned_be32(&data[4]) / 8; in sd_pr_read_keys()
1845 num_copy_keys = min(num_keys, keys_info->num_keys); in sd_pr_read_keys()
1848 keys_info->keys[i] = get_unaligned_be64(&data[data_offset]); in sd_pr_read_keys()
1860 struct scsi_disk *sdkp = scsi_disk(bdev->bd_disk); in sd_pr_read_reservation()
1861 struct scsi_device *sdev = sdkp->device; in sd_pr_read_reservation()
1878 return -EINVAL; in sd_pr_read_reservation()
1881 rsv->generation = get_unaligned_be32(&data[0]); in sd_pr_read_reservation()
1882 rsv->key = get_unaligned_be64(&data[8]); in sd_pr_read_reservation()
1883 rsv->type = scsi_pr_type_to_block(data[21] & 0x0f); in sd_pr_read_reservation()
1890 struct scsi_disk *sdkp = scsi_disk(bdev->bd_disk); in sd_pr_out_command()
1891 struct scsi_device *sdev = sdkp->device; in sd_pr_out_command()
1910 sizeof(data), SD_TIMEOUT, sdkp->max_retries, in sd_pr_out_command()
1929 return -EOPNOTSUPP; in sd_pr_register()
1939 return -EOPNOTSUPP; in sd_pr_reserve()
1976 put_device(&sdkp->disk_dev); in scsi_disk_free_disk()
1995 * sd_eh_reset - reset error handling callback
1996 * @scmd: sd-issued command that has failed
2008 struct scsi_disk *sdkp = scsi_disk(scsi_cmd_to_rq(scmd)->q->disk); in sd_eh_reset()
2011 sdkp->ignore_medium_access_errors = false; in sd_eh_reset()
2015 * sd_eh_action - error handling callback
2016 * @scmd: sd-issued command that has failed
2028 struct scsi_disk *sdkp = scsi_disk(scsi_cmd_to_rq(scmd)->q->disk); in sd_eh_action()
2029 struct scsi_device *sdev = scmd->device; in sd_eh_action()
2033 host_byte(scmd->result) != DID_TIME_OUT || in sd_eh_action()
2044 if (!sdkp->ignore_medium_access_errors) { in sd_eh_action()
2045 sdkp->medium_access_timed_out++; in sd_eh_action()
2046 sdkp->ignore_medium_access_errors = true; in sd_eh_action()
2054 if (sdkp->medium_access_timed_out >= sdkp->max_medium_access_timeouts) { in sd_eh_action()
2057 mutex_lock(&sdev->state_mutex); in sd_eh_action()
2059 mutex_unlock(&sdev->state_mutex); in sd_eh_action()
2070 struct scsi_device *sdev = scmd->device; in sd_completed_bytes()
2078 if (scsi_bufflen(scmd) <= sdev->sector_size) in sd_completed_bytes()
2082 if (!scsi_get_sense_info_fld(scmd->sense_buffer, in sd_completed_bytes()
2100 transferred = scsi_bufflen(scmd) - scsi_get_resid(scmd); in sd_completed_bytes()
2105 good_bytes = logical_to_bytes(sdev, bad_lba - start_lba); in sd_completed_bytes()
2111 * sd_done - bottom half handler: called when the lower level
2113 * @SCpnt: mid-level's per command structure.
2119 int result = SCpnt->result; in sd_done()
2121 unsigned int sector_size = SCpnt->device->sector_size; in sd_done()
2125 struct scsi_disk *sdkp = scsi_disk(req->q->disk); in sd_done()
2152 if (resid & (sector_size - 1)) { in sd_done()
2168 sdkp->medium_access_timed_out = 0; in sd_done()
2187 SCpnt->result = 0; in sd_done()
2188 memset(SCpnt->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); in sd_done()
2201 switch (SCpnt->cmnd[0]) { in sd_done()
2207 if (SCpnt->cmnd[1] & 8) { /* UNMAP */ in sd_done()
2210 sdkp->device->no_write_same = 1; in sd_done()
2212 req->rq_flags |= RQF_QUIET; in sd_done()
2234 * spinup disk - called only in sd_revalidate_disk()
2257 bool media_was_present = sdkp->media_present; in sd_spinup_disk()
2262 the_result = scsi_execute_cmd(sdkp->device, cmd, in sd_spinup_disk()
2265 sdkp->max_retries, in sd_spinup_disk()
2300 if (sdkp->device->no_start_on_add) in sd_spinup_disk()
2325 if (sdkp->device->start_stop_pwr_cond) in sd_spinup_disk()
2327 scsi_execute_cmd(sdkp->device, cmd, in sd_spinup_disk()
2329 SD_TIMEOUT, sdkp->max_retries, in sd_spinup_disk()
2377 struct scsi_device *sdp = sdkp->device; in sd_read_protection_type()
2381 sdkp->protection_type = 0; in sd_read_protection_type()
2391 sdkp->protection_type = 0; in sd_read_protection_type()
2392 return -ENODEV; in sd_read_protection_type()
2395 sdkp->protection_type = type; in sd_read_protection_type()
2402 struct scsi_device *sdp = sdkp->device; in sd_config_protection()
2406 if (!sdkp->protection_type) in sd_config_protection()
2409 if (!scsi_host_dif_capable(sdp->host, sdkp->protection_type)) { in sd_config_protection()
2412 sdkp->protection_type); in sd_config_protection()
2413 sdkp->protection_type = 0; in sd_config_protection()
2417 sdkp->protection_type); in sd_config_protection()
2430 * Set dirty bit for removable devices if not ready - in read_capacity_error()
2433 if (sdp->removable && in read_capacity_error()
2434 sense_valid && sshdr->sense_key == NOT_READY) in read_capacity_error()
2442 sdkp->capacity = 0; /* unknown mapped to zero - as usual */ in read_capacity_error()
2467 if (sdp->no_read_capacity_16) in read_capacity_16()
2468 return -EINVAL; in read_capacity_16()
2479 sdkp->max_retries, &exec_args); in read_capacity_16()
2482 return -ENODEV; in read_capacity_16()
2493 return -EINVAL; in read_capacity_16()
2499 if (--reset_retries > 0) in read_capacity_16()
2502 retries--; in read_capacity_16()
2509 return -EINVAL; in read_capacity_16()
2516 sdkp->capacity = 0; in read_capacity_16()
2517 return -ENODEV; in read_capacity_16()
2521 sdkp->physical_block_size = (1 << (buffer[13] & 0xf)) * sector_size; in read_capacity_16()
2524 sdkp->rc_basis = (buffer[12] >> 4) & 0x3; in read_capacity_16()
2528 blk_queue_alignment_offset(sdp->request_queue, alignment); in read_capacity_16()
2529 if (alignment && sdkp->first_scan) in read_capacity_16()
2534 sdkp->lbpme = 1; in read_capacity_16()
2537 sdkp->lbprz = 1; in read_capacity_16()
2542 sdkp->capacity = lba + 1; in read_capacity_16()
2566 8, SD_TIMEOUT, sdkp->max_retries, in read_capacity_10()
2570 return -ENODEV; in read_capacity_10()
2579 if (--reset_retries > 0) in read_capacity_10()
2582 retries--; in read_capacity_10()
2589 return -EINVAL; in read_capacity_10()
2595 if (sdp->no_read_capacity_16 && (lba == 0xffffffff)) { in read_capacity_10()
2599 sdkp->capacity = 0; in read_capacity_10()
2600 sdkp->physical_block_size = sector_size; in read_capacity_10()
2604 sdkp->capacity = lba + 1; in read_capacity_10()
2605 sdkp->physical_block_size = sector_size; in read_capacity_10()
2611 if (sdp->host->max_cmd_len < 16) in sd_try_rc16_first()
2613 if (sdp->try_rc_10_first) in sd_try_rc16_first()
2615 if (sdp->scsi_level > SCSI_SPC_2) in sd_try_rc16_first()
2629 struct scsi_device *sdp = sdkp->device; in sd_read_capacity()
2633 if (sector_size == -EOVERFLOW) in sd_read_capacity()
2635 if (sector_size == -ENODEV) in sd_read_capacity()
2643 if (sector_size == -EOVERFLOW) in sd_read_capacity()
2647 if ((sizeof(sdkp->capacity) > 4) && in sd_read_capacity()
2648 (sdkp->capacity > 0xffffffffULL)) { in sd_read_capacity()
2656 sdkp->capacity = 1 + (sector_t) 0xffffffff; in sd_read_capacity()
2661 sdp->try_rc_10_first = 0; in sd_read_capacity()
2675 if (sdp->fix_capacity || in sd_read_capacity()
2676 (sdp->guess_capacity && (sdkp->capacity & 0x01))) { in sd_read_capacity()
2679 (unsigned long long) sdkp->capacity); in sd_read_capacity()
2680 --sdkp->capacity; in sd_read_capacity()
2697 * The user might want to re-format the drive with in sd_read_capacity()
2702 sdkp->capacity = 0; in sd_read_capacity()
2711 blk_queue_logical_block_size(sdp->request_queue, sector_size); in sd_read_capacity()
2712 blk_queue_physical_block_size(sdp->request_queue, in sd_read_capacity()
2713 sdkp->physical_block_size); in sd_read_capacity()
2714 sdkp->device->sector_size = sector_size; in sd_read_capacity()
2716 if (sdkp->capacity > 0xffffffff) in sd_read_capacity()
2717 sdp->use_16_for_rw = 1; in sd_read_capacity()
2728 int sector_size = sdkp->device->sector_size; in sd_print_capacity()
2731 if (!sdkp->first_scan && old_capacity == sdkp->capacity) in sd_print_capacity()
2734 string_get_size(sdkp->capacity, sector_size, in sd_print_capacity()
2736 string_get_size(sdkp->capacity, sector_size, in sd_print_capacity()
2740 "%llu %d-byte logical blocks: (%s/%s)\n", in sd_print_capacity()
2741 (unsigned long long)sdkp->capacity, in sd_print_capacity()
2744 if (sdkp->physical_block_size != sector_size) in sd_print_capacity()
2746 "%u-byte physical blocks\n", in sd_print_capacity()
2747 sdkp->physical_block_size); in sd_print_capacity()
2760 if (sdkp->device->use_10_for_ms && len < 8) in sd_do_mode_sense()
2763 return scsi_mode_sense(sdkp->device, dbd, modepage, 0, buffer, len, in sd_do_mode_sense()
2764 SD_TIMEOUT, sdkp->max_retries, data, sshdr); in sd_do_mode_sense()
2768 * read write protect setting, if possible - called only in sd_revalidate_disk()
2775 struct scsi_device *sdp = sdkp->device; in sd_read_write_protect_flag()
2777 int old_wp = sdkp->write_prot; in sd_read_write_protect_flag()
2779 set_disk_ro(sdkp->disk, 0); in sd_read_write_protect_flag()
2780 if (sdp->skip_ms_page_3f) { in sd_read_write_protect_flag()
2785 if (sdp->use_192_bytes_for_3f) { in sd_read_write_protect_flag()
2816 sdkp->write_prot = ((data.device_specific & 0x80) != 0); in sd_read_write_protect_flag()
2817 set_disk_ro(sdkp->disk, sdkp->write_prot); in sd_read_write_protect_flag()
2818 if (sdkp->first_scan || old_wp != sdkp->write_prot) { in sd_read_write_protect_flag()
2820 sdkp->write_prot ? "on" : "off"); in sd_read_write_protect_flag()
2827 * sd_read_cache_type - called only from sd_revalidate_disk()
2834 struct scsi_device *sdp = sdkp->device; in sd_read_cache_type()
2841 int old_wce = sdkp->WCE; in sd_read_cache_type()
2842 int old_rcd = sdkp->RCD; in sd_read_cache_type()
2843 int old_dpofua = sdkp->DPOFUA; in sd_read_cache_type()
2846 if (sdkp->cache_override) in sd_read_cache_type()
2850 if (sdp->skip_ms_page_8) { in sd_read_cache_type()
2851 if (sdp->type == TYPE_RBC) in sd_read_cache_type()
2854 if (sdp->skip_ms_page_3f) in sd_read_cache_type()
2857 if (sdp->use_192_bytes_for_3f) in sd_read_cache_type()
2861 } else if (sdp->type == TYPE_RBC) { in sd_read_cache_type()
2897 if (modepage == 0x3F && sdp->use_192_bytes_for_3f) in sd_read_cache_type()
2915 if (len - offset <= 2) { in sd_read_cache_type()
2926 if (spf && len - offset > 3) in sd_read_cache_type()
2929 else if (!spf && len - offset > 1) in sd_read_cache_type()
2946 sdkp->WCE = ((buffer[offset + 2] & 0x04) != 0); in sd_read_cache_type()
2947 sdkp->RCD = ((buffer[offset + 2] & 0x01) != 0); in sd_read_cache_type()
2949 sdkp->WCE = ((buffer[offset + 2] & 0x01) == 0); in sd_read_cache_type()
2950 sdkp->RCD = 0; in sd_read_cache_type()
2953 sdkp->DPOFUA = (data.device_specific & 0x10) != 0; in sd_read_cache_type()
2954 if (sdp->broken_fua) { in sd_read_cache_type()
2956 sdkp->DPOFUA = 0; in sd_read_cache_type()
2957 } else if (sdkp->DPOFUA && !sdkp->device->use_10_for_rw && in sd_read_cache_type()
2958 !sdkp->device->use_16_for_rw) { in sd_read_cache_type()
2961 sdkp->DPOFUA = 0; in sd_read_cache_type()
2965 if (sdkp->WCE && sdkp->write_prot) in sd_read_cache_type()
2966 sdkp->WCE = 0; in sd_read_cache_type()
2968 if (sdkp->first_scan || old_wce != sdkp->WCE || in sd_read_cache_type()
2969 old_rcd != sdkp->RCD || old_dpofua != sdkp->DPOFUA) in sd_read_cache_type()
2972 sdkp->WCE ? "enabled" : "disabled", in sd_read_cache_type()
2973 sdkp->RCD ? "disabled" : "enabled", in sd_read_cache_type()
2974 sdkp->DPOFUA ? "supports DPO and FUA" in sd_read_cache_type()
2991 if (sdp->wce_default_on) { in sd_read_cache_type()
2994 sdkp->WCE = 1; in sd_read_cache_type()
2998 sdkp->WCE = 0; in sd_read_cache_type()
3000 sdkp->RCD = 0; in sd_read_cache_type()
3001 sdkp->DPOFUA = 0; in sd_read_cache_type()
3011 struct scsi_device *sdp = sdkp->device; in sd_read_app_tag_own()
3015 if (sdp->type != TYPE_DISK && sdp->type != TYPE_ZBC) in sd_read_app_tag_own()
3018 if (sdkp->protection_type == 0) in sd_read_app_tag_own()
3022 sdkp->max_retries, &data, &sshdr); in sd_read_app_tag_own()
3045 sdkp->ATO = 1; in sd_read_app_tag_own()
3051 * sd_read_block_limits - Query disk device for preferred I/O sizes.
3060 vpd = rcu_dereference(sdkp->device->vpd_pgb0); in sd_read_block_limits()
3061 if (!vpd || vpd->len < 16) in sd_read_block_limits()
3064 sdkp->min_xfer_blocks = get_unaligned_be16(&vpd->data[6]); in sd_read_block_limits()
3065 sdkp->max_xfer_blocks = get_unaligned_be32(&vpd->data[8]); in sd_read_block_limits()
3066 sdkp->opt_xfer_blocks = get_unaligned_be32(&vpd->data[12]); in sd_read_block_limits()
3068 if (vpd->len >= 64) { in sd_read_block_limits()
3071 sdkp->max_ws_blocks = (u32)get_unaligned_be64(&vpd->data[36]); in sd_read_block_limits()
3073 if (!sdkp->lbpme) in sd_read_block_limits()
3076 lba_count = get_unaligned_be32(&vpd->data[20]); in sd_read_block_limits()
3077 desc_count = get_unaligned_be32(&vpd->data[24]); in sd_read_block_limits()
3080 sdkp->max_unmap_blocks = lba_count; in sd_read_block_limits()
3082 sdkp->unmap_granularity = get_unaligned_be32(&vpd->data[28]); in sd_read_block_limits()
3084 if (vpd->data[32] & 0x80) in sd_read_block_limits()
3085 sdkp->unmap_alignment = in sd_read_block_limits()
3086 get_unaligned_be32(&vpd->data[32]) & ~(1 << 31); in sd_read_block_limits()
3088 if (!sdkp->lbpvpd) { /* LBP VPD page not provided */ in sd_read_block_limits()
3090 if (sdkp->max_unmap_blocks) in sd_read_block_limits()
3095 } else { /* LBP VPD page tells us what to use */ in sd_read_block_limits()
3096 if (sdkp->lbpu && sdkp->max_unmap_blocks) in sd_read_block_limits()
3098 else if (sdkp->lbpws) in sd_read_block_limits()
3100 else if (sdkp->lbpws10) in sd_read_block_limits()
3112 * sd_read_block_characteristics - Query block dev. characteristics
3117 struct request_queue *q = sdkp->disk->queue; in sd_read_block_characteristics()
3123 vpd = rcu_dereference(sdkp->device->vpd_pgb1); in sd_read_block_characteristics()
3125 if (!vpd || vpd->len <= 8) { in sd_read_block_characteristics()
3130 rot = get_unaligned_be16(&vpd->data[4]); in sd_read_block_characteristics()
3131 zoned = (vpd->data[8] >> 4) & 3; in sd_read_block_characteristics()
3139 if (sdkp->device->type == TYPE_ZBC) { in sd_read_block_characteristics()
3141 * Host-managed: Per ZBC and ZAC specifications, writes in in sd_read_block_characteristics()
3142 * sequential write required zones of host-managed devices must in sd_read_block_characteristics()
3145 disk_set_zoned(sdkp->disk, BLK_ZONED_HM); in sd_read_block_characteristics()
3146 blk_queue_zone_write_granularity(q, sdkp->physical_block_size); in sd_read_block_characteristics()
3148 sdkp->zoned = zoned; in sd_read_block_characteristics()
3149 if (sdkp->zoned == 1) { in sd_read_block_characteristics()
3150 /* Host-aware */ in sd_read_block_characteristics()
3151 disk_set_zoned(sdkp->disk, BLK_ZONED_HA); in sd_read_block_characteristics()
3154 disk_set_zoned(sdkp->disk, BLK_ZONED_NONE); in sd_read_block_characteristics()
3158 if (!sdkp->first_scan) in sd_read_block_characteristics()
3162 sd_printk(KERN_NOTICE, sdkp, "Host-%s zoned block device\n", in sd_read_block_characteristics()
3163 q->limits.zoned == BLK_ZONED_HM ? "managed" : "aware"); in sd_read_block_characteristics()
3165 if (sdkp->zoned == 1) in sd_read_block_characteristics()
3167 "Host-aware SMR disk used as regular disk\n"); in sd_read_block_characteristics()
3168 else if (sdkp->zoned == 2) in sd_read_block_characteristics()
3170 "Drive-managed SMR disk\n"); in sd_read_block_characteristics()
3175 * sd_read_block_provisioning - Query provisioning VPD page
3182 if (sdkp->lbpme == 0) in sd_read_block_provisioning()
3186 vpd = rcu_dereference(sdkp->device->vpd_pgb2); in sd_read_block_provisioning()
3188 if (!vpd || vpd->len < 8) { in sd_read_block_provisioning()
3193 sdkp->lbpvpd = 1; in sd_read_block_provisioning()
3194 sdkp->lbpu = (vpd->data[5] >> 7) & 1; /* UNMAP */ in sd_read_block_provisioning()
3195 sdkp->lbpws = (vpd->data[5] >> 6) & 1; /* WRITE SAME(16) w/ UNMAP */ in sd_read_block_provisioning()
3196 sdkp->lbpws10 = (vpd->data[5] >> 5) & 1; /* WRITE SAME(10) w/ UNMAP */ in sd_read_block_provisioning()
3202 struct scsi_device *sdev = sdkp->device; in sd_read_write_same()
3204 if (sdev->host->no_write_same) { in sd_read_write_same()
3205 sdev->no_write_same = 1; in sd_read_write_same()
3213 sdev->no_report_opcodes = 1; in sd_read_write_same()
3220 vpd = rcu_dereference(sdev->vpd_pg89); in sd_read_write_same()
3222 sdev->no_write_same = 1; in sd_read_write_same()
3227 sdkp->ws16 = 1; in sd_read_write_same()
3230 sdkp->ws10 = 1; in sd_read_write_same()
3235 struct scsi_device *sdev = sdkp->device; in sd_read_security()
3237 if (!sdev->security_supported) in sd_read_security()
3244 sdkp->security = 1; in sd_read_security()
3249 return logical_to_sectors(sdkp->device, get_unaligned_be64(buf)); in sd64_to_sectors()
3253 * sd_read_cpr - Query concurrent positioning ranges
3268 if (sdkp->first_scan) in sd_read_cpr()
3271 if (!sdkp->capacity) in sd_read_cpr()
3280 if (!buffer || scsi_get_vpd_page(sdkp->device, 0xb9, buffer, buf_len)) in sd_read_cpr()
3291 nr_cpr = (vpd_len - 64) / 32; in sd_read_cpr()
3297 iars = disk_alloc_independent_access_ranges(sdkp->disk, nr_cpr); in sd_read_cpr()
3312 iars->ia_range[i].sector = sd64_to_sectors(sdkp, desc + 8); in sd_read_cpr()
3313 iars->ia_range[i].nr_sectors = sd64_to_sectors(sdkp, desc + 16); in sd_read_cpr()
3317 disk_set_independent_access_ranges(sdkp->disk, iars); in sd_read_cpr()
3318 if (nr_cpr && sdkp->nr_actuators != nr_cpr) { in sd_read_cpr()
3321 sdkp->nr_actuators = nr_cpr; in sd_read_cpr()
3329 struct scsi_device *sdp = sdkp->device; in sd_validate_min_xfer_size()
3331 logical_to_bytes(sdp, sdkp->min_xfer_blocks); in sd_validate_min_xfer_size()
3333 if (sdkp->min_xfer_blocks == 0) in sd_validate_min_xfer_size()
3336 if (min_xfer_bytes & (sdkp->physical_block_size - 1)) { in sd_validate_min_xfer_size()
3340 min_xfer_bytes, sdkp->physical_block_size); in sd_validate_min_xfer_size()
3341 sdkp->min_xfer_blocks = 0; in sd_validate_min_xfer_size()
3358 struct scsi_device *sdp = sdkp->device; in sd_validate_opt_xfer_size()
3360 logical_to_bytes(sdp, sdkp->opt_xfer_blocks); in sd_validate_opt_xfer_size()
3362 logical_to_bytes(sdp, sdkp->min_xfer_blocks); in sd_validate_opt_xfer_size()
3364 if (sdkp->opt_xfer_blocks == 0) in sd_validate_opt_xfer_size()
3367 if (sdkp->opt_xfer_blocks > dev_max) { in sd_validate_opt_xfer_size()
3371 sdkp->opt_xfer_blocks, dev_max); in sd_validate_opt_xfer_size()
3375 if (sdkp->opt_xfer_blocks > SD_DEF_XFER_BLOCKS) { in sd_validate_opt_xfer_size()
3379 sdkp->opt_xfer_blocks, SD_DEF_XFER_BLOCKS); in sd_validate_opt_xfer_size()
3400 if (opt_xfer_bytes & (sdkp->physical_block_size - 1)) { in sd_validate_opt_xfer_size()
3404 opt_xfer_bytes, sdkp->physical_block_size); in sd_validate_opt_xfer_size()
3415 struct scsi_device *sdev = sdkp->device; in sd_read_block_zero()
3416 unsigned int buf_len = sdev->sector_size; in sd_read_block_zero()
3423 if (sdev->use_16_for_rw) { in sd_read_block_zero()
3433 scsi_execute_cmd(sdkp->device, cmd, REQ_OP_DRV_IN, buffer, buf_len, in sd_read_block_zero()
3434 SD_TIMEOUT, sdkp->max_retries, NULL); in sd_read_block_zero()
3439 * sd_revalidate_disk - called the first time a new disk is seen,
3446 struct scsi_device *sdp = sdkp->device; in sd_revalidate_disk()
3447 struct request_queue *q = sdkp->disk->queue; in sd_revalidate_disk()
3448 sector_t old_capacity = sdkp->capacity; in sd_revalidate_disk()
3475 if (sdkp->media_present) { in sd_revalidate_disk()
3482 if (sdp->read_before_ms) in sd_revalidate_disk()
3485 * set the default to rotational. All non-rotational devices in sd_revalidate_disk()
3518 dev_max = sdp->use_16_for_rw ? SD_MAX_XFER_BLOCKS : SD_DEF_XFER_BLOCKS; in sd_revalidate_disk()
3521 dev_max = min_not_zero(dev_max, sdkp->max_xfer_blocks); in sd_revalidate_disk()
3522 q->limits.max_dev_sectors = logical_to_sectors(sdp, dev_max); in sd_revalidate_disk()
3525 blk_queue_io_min(sdkp->disk->queue, in sd_revalidate_disk()
3526 logical_to_bytes(sdp, sdkp->min_xfer_blocks)); in sd_revalidate_disk()
3528 blk_queue_io_min(sdkp->disk->queue, 0); in sd_revalidate_disk()
3531 q->limits.io_opt = logical_to_bytes(sdp, sdkp->opt_xfer_blocks); in sd_revalidate_disk()
3532 rw_max = logical_to_sectors(sdp, sdkp->opt_xfer_blocks); in sd_revalidate_disk()
3534 q->limits.io_opt = 0; in sd_revalidate_disk()
3544 rw_max = min_not_zero(rw_max, sdp->host->opt_sectors); in sd_revalidate_disk()
3553 if (sdkp->first_scan || in sd_revalidate_disk()
3554 q->limits.max_sectors > q->limits.max_dev_sectors || in sd_revalidate_disk()
3555 q->limits.max_sectors > q->limits.max_hw_sectors) in sd_revalidate_disk()
3556 q->limits.max_sectors = rw_max; in sd_revalidate_disk()
3558 sdkp->first_scan = 0; in sd_revalidate_disk()
3560 set_capacity_and_notify(disk, logical_to_sectors(sdp, sdkp->capacity)); in sd_revalidate_disk()
3577 * sd_unlock_native_capacity - unlock native capacity
3582 * implements ->unlock_native_capacity() method, it's invoked to
3590 struct scsi_device *sdev = scsi_disk(disk)->device; in sd_unlock_native_capacity()
3592 if (sdev->host->hostt->unlock_native_capacity) in sd_unlock_native_capacity()
3593 sdev->host->hostt->unlock_native_capacity(sdev); in sd_unlock_native_capacity()
3597 * sd_format_disk_name - format disk name
3598 * @prefix: name prefix - ie. "sd" for SCSI disks
3610 * index shifted -1 after each digit is computed.
3616 * 0 on success, -errno on failure.
3620 const int base = 'z' - 'a' + 1; in sd_format_disk_name()
3626 p = end - 1; in sd_format_disk_name()
3631 return -EINVAL; in sd_format_disk_name()
3632 *--p = 'a' + (index % unit); in sd_format_disk_name()
3633 index = (index / unit) - 1; in sd_format_disk_name()
3636 memmove(begin, p, end - p); in sd_format_disk_name()
3643 * sd_probe - called during driver initialization and whenever a
3651 * Note: this function is invoked from the scsi mid-level.
3657 * Assume sd_probe is not re-entrant (for time being)
3669 error = -ENODEV; in sd_probe()
3670 if (sdp->type != TYPE_DISK && in sd_probe()
3671 sdp->type != TYPE_ZBC && in sd_probe()
3672 sdp->type != TYPE_MOD && in sd_probe()
3673 sdp->type != TYPE_RBC) in sd_probe()
3676 if (!IS_ENABLED(CONFIG_BLK_DEV_ZONED) && sdp->type == TYPE_ZBC) { in sd_probe()
3678 "Unsupported ZBC host-managed device.\n"); in sd_probe()
3685 error = -ENOMEM; in sd_probe()
3690 gd = blk_mq_alloc_disk_for_queue(sdp->request_queue, in sd_probe()
3701 error = sd_format_disk_name("sd", index, gd->disk_name, DISK_NAME_LEN); in sd_probe()
3707 sdkp->device = sdp; in sd_probe()
3708 sdkp->disk = gd; in sd_probe()
3709 sdkp->index = index; in sd_probe()
3710 sdkp->max_retries = SD_MAX_RETRIES; in sd_probe()
3711 atomic_set(&sdkp->openers, 0); in sd_probe()
3712 atomic_set(&sdkp->device->ioerr_cnt, 0); in sd_probe()
3714 if (!sdp->request_queue->rq_timeout) { in sd_probe()
3715 if (sdp->type != TYPE_MOD) in sd_probe()
3716 blk_queue_rq_timeout(sdp->request_queue, SD_TIMEOUT); in sd_probe()
3718 blk_queue_rq_timeout(sdp->request_queue, in sd_probe()
3722 device_initialize(&sdkp->disk_dev); in sd_probe()
3723 sdkp->disk_dev.parent = get_device(dev); in sd_probe()
3724 sdkp->disk_dev.class = &sd_disk_class; in sd_probe()
3725 dev_set_name(&sdkp->disk_dev, "%s", dev_name(dev)); in sd_probe()
3727 error = device_add(&sdkp->disk_dev); in sd_probe()
3729 put_device(&sdkp->disk_dev); in sd_probe()
3735 gd->major = sd_major((index & 0xf0) >> 4); in sd_probe()
3736 gd->first_minor = ((index & 0xf) << 4) | (index & 0xfff00); in sd_probe()
3737 gd->minors = SD_MINORS; in sd_probe()
3739 gd->fops = &sd_fops; in sd_probe()
3740 gd->private_data = sdkp; in sd_probe()
3743 sdp->sector_size = 512; in sd_probe()
3744 sdkp->capacity = 0; in sd_probe()
3745 sdkp->media_present = 1; in sd_probe()
3746 sdkp->write_prot = 0; in sd_probe()
3747 sdkp->cache_override = 0; in sd_probe()
3748 sdkp->WCE = 0; in sd_probe()
3749 sdkp->RCD = 0; in sd_probe()
3750 sdkp->ATO = 0; in sd_probe()
3751 sdkp->first_scan = 1; in sd_probe()
3752 sdkp->max_medium_access_timeouts = SD_MAX_MEDIUM_TIMEOUTS; in sd_probe()
3756 if (sdp->removable) { in sd_probe()
3757 gd->flags |= GENHD_FL_REMOVABLE; in sd_probe()
3758 gd->events |= DISK_EVENT_MEDIA_CHANGE; in sd_probe()
3759 gd->event_flags = DISK_EVENT_FLAG_POLL | DISK_EVENT_FLAG_UEVENT; in sd_probe()
3762 blk_pm_runtime_init(sdp->request_queue, dev); in sd_probe()
3763 if (sdp->rpm_autosuspend) { in sd_probe()
3765 sdp->host->hostt->rpm_autosuspend_delay); in sd_probe()
3770 device_unregister(&sdkp->disk_dev); in sd_probe()
3775 if (sdkp->security) { in sd_probe()
3776 sdkp->opal_dev = init_opal_dev(sdkp, &sd_sec_submit); in sd_probe()
3777 if (sdkp->opal_dev) in sd_probe()
3782 sdp->removable ? "removable " : ""); in sd_probe()
3799 * sd_remove - called whenever a scsi disk (previously recognized by
3804 * Note: this function is invoked from the scsi mid-level.
3806 * that could be re-used by a subsequent sd_probe().
3807 * This function is not called when the built-in sd driver is "exit-ed".
3813 scsi_autopm_get_device(sdkp->device); in sd_remove()
3815 device_del(&sdkp->disk_dev); in sd_remove()
3816 del_gendisk(sdkp->disk); in sd_remove()
3817 if (!sdkp->suspended) in sd_remove()
3820 put_disk(sdkp->disk); in sd_remove()
3828 ida_free(&sd_index_ida, sdkp->index); in scsi_disk_release()
3830 put_device(&sdkp->device->sdev_gendev); in scsi_disk_release()
3831 free_opal_dev(sdkp->opal_dev); in scsi_disk_release()
3844 struct scsi_device *sdp = sdkp->device; in sd_start_stop_device()
3850 if (sdp->start_stop_pwr_cond) in sd_start_stop_device()
3854 return -ENODEV; in sd_start_stop_device()
3857 sdkp->max_retries, &exec_args); in sd_start_stop_device()
3870 return -EIO; in sd_start_stop_device()
3890 if (sdkp->WCE && sdkp->media_present) { in sd_shutdown()
3896 sdkp->device->manage_system_start_stop) || in sd_shutdown()
3898 sdkp->device->manage_shutdown)) { in sd_shutdown()
3906 return (sdev->manage_system_start_stop && !runtime) || in sd_do_start_stop()
3907 (sdev->manage_runtime_start_stop && runtime); in sd_do_start_stop()
3918 if (sdkp->WCE && sdkp->media_present) { in sd_suspend_common()
3919 if (!sdkp->device->silence_suspend) in sd_suspend_common()
3923 if (ret == -ENODEV) in sd_suspend_common()
3930 if (sd_do_start_stop(sdkp->device, runtime)) { in sd_suspend_common()
3931 if (!sdkp->device->silence_suspend) in sd_suspend_common()
3940 sdkp->suspended = true; in sd_suspend_common()
3964 if (opal_unlock_from_suspend(sdkp->opal_dev)) { in sd_resume()
3966 return -EIO; in sd_resume()
3980 if (!sd_do_start_stop(sdkp->device, runtime)) { in sd_resume_common()
3981 sdkp->suspended = false; in sd_resume_common()
3989 sdkp->suspended = false; in sd_resume_common()
3999 struct scsi_device *sdp = sdkp ? sdkp->device : NULL; in sd_resume_system()
4001 if (sdp && sdp->force_runtime_start_on_system_start) in sd_resume_system()
4018 sdp = sdkp->device; in sd_resume_runtime()
4020 if (sdp->ignore_media_change) { in sd_resume_runtime()
4028 sdp->request_queue->rq_timeout, 1, in sd_resume_runtime()
4066 * init_sd - entry point for this driver (both when built in or when
4069 * Note: this function registers this driver with the scsi mid-level.
4084 return -ENODEV; in init_sd()
4093 err = -ENOMEM; in init_sd()
4114 * exit_sd - exit point for this driver (when it is a module).
4116 * Note: this function unregisters this driver from the scsi mid-level.
4138 scsi_print_sense_hdr(sdkp->device, in sd_print_sense_hdr()
4139 sdkp->disk ? sdkp->disk->disk_name : NULL, sshdr); in sd_print_sense_hdr()