Lines Matching +full:assoc +full:- +full:select

1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * libata-scsi.c - helper library for ATA
5 * Copyright 2003-2004 Red Hat, Inc. All rights reserved.
6 * Copyright 2003-2004 Jeff Garzik
9 * as Documentation/driver-api/libata.rst
12 * - http://www.t10.org/
13 * - http://www.t13.org/
38 #include "libata-transport.h"
62 RW_RECOVERY_MPAGE_LEN - 2,
72 CACHE_MPAGE_LEN - 2,
81 CONTROL_MPAGE_LEN - 2,
83 0, /* [QAM+QERR may be 1, see 05-359r1] */
85 0, 30 /* extended self test time, see 05-359r1 */
99 ap = ata_shost_to_port(sdev->host); in ata_scsi_park_show()
101 spin_lock_irq(ap->lock); in ata_scsi_park_show()
104 rc = -ENODEV; in ata_scsi_park_show()
107 if (dev->flags & ATA_DFLAG_NO_UNLOAD) { in ata_scsi_park_show()
108 rc = -EOPNOTSUPP; in ata_scsi_park_show()
112 link = dev->link; in ata_scsi_park_show()
114 if (ap->pflags & ATA_PFLAG_EH_IN_PROGRESS && in ata_scsi_park_show()
115 link->eh_context.unloaded_mask & (1 << dev->devno) && in ata_scsi_park_show()
116 time_after(dev->unpark_deadline, now)) in ata_scsi_park_show()
117 msecs = jiffies_to_msecs(dev->unpark_deadline - now); in ata_scsi_park_show()
122 spin_unlock_irq(ap->lock); in ata_scsi_park_show()
141 if (input < -2) in ata_scsi_park_store()
142 return -EINVAL; in ata_scsi_park_store()
144 rc = -EOVERFLOW; in ata_scsi_park_store()
148 ap = ata_shost_to_port(sdev->host); in ata_scsi_park_store()
150 spin_lock_irqsave(ap->lock, flags); in ata_scsi_park_store()
153 rc = -ENODEV; in ata_scsi_park_store()
156 if (dev->class != ATA_DEV_ATA && in ata_scsi_park_store()
157 dev->class != ATA_DEV_ZAC) { in ata_scsi_park_store()
158 rc = -EOPNOTSUPP; in ata_scsi_park_store()
163 if (dev->flags & ATA_DFLAG_NO_UNLOAD) { in ata_scsi_park_store()
164 rc = -EOPNOTSUPP; in ata_scsi_park_store()
168 dev->unpark_deadline = ata_deadline(jiffies, input); in ata_scsi_park_store()
169 dev->link->eh_info.dev_action[dev->devno] |= ATA_EH_PARK; in ata_scsi_park_store()
171 complete(&ap->park_req_pending); in ata_scsi_park_store()
174 case -1: in ata_scsi_park_store()
175 dev->flags &= ~ATA_DFLAG_NO_UNLOAD; in ata_scsi_park_store()
177 case -2: in ata_scsi_park_store()
178 dev->flags |= ATA_DFLAG_NO_UNLOAD; in ata_scsi_park_store()
183 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_park_store()
194 bool d_sense = (dev->flags & ATA_DFLAG_D_SENSE); in ata_scsi_set_sense()
215 scsi_set_sense_information(cmd->sense_buffer, in ata_scsi_set_sense_information()
224 scsi_set_sense_field_pointer(cmd->sense_buffer, SCSI_SENSE_BUFFERSIZE, in ata_scsi_set_invalid_field()
233 scsi_set_sense_field_pointer(cmd->sense_buffer, SCSI_SENSE_BUFFERSIZE, in ata_scsi_set_invalid_parameter()
253 * ata_std_bios_param - generic bios head/sector/cylinder calculator used by sd.
283 * ata_scsi_unlock_native_capacity - unlock native capacity
294 struct ata_port *ap = ata_shost_to_port(sdev->host); in ata_scsi_unlock_native_capacity()
298 spin_lock_irqsave(ap->lock, flags); in ata_scsi_unlock_native_capacity()
301 if (dev && dev->n_sectors < dev->n_native_sectors) { in ata_scsi_unlock_native_capacity()
302 dev->flags |= ATA_DFLAG_UNLOCK_HPA; in ata_scsi_unlock_native_capacity()
303 dev->link->eh_info.action |= ATA_EH_RESET; in ata_scsi_unlock_native_capacity()
307 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_unlock_native_capacity()
313 * ata_get_identity - Handler for HDIO_GET_IDENTITY ioctl
332 return -ENOMSG; in ata_get_identity()
334 if (copy_to_user(dst, dev->id, ATA_ID_WORDS * sizeof(u16))) in ata_get_identity()
335 return -EFAULT; in ata_get_identity()
337 ata_id_string(dev->id, buf, ATA_ID_PROD, ATA_ID_PROD_LEN); in ata_get_identity()
339 return -EFAULT; in ata_get_identity()
341 ata_id_string(dev->id, buf, ATA_ID_FW_REV, ATA_ID_FW_REV_LEN); in ata_get_identity()
343 return -EFAULT; in ata_get_identity()
345 ata_id_string(dev->id, buf, ATA_ID_SERNO, ATA_ID_SERNO_LEN); in ata_get_identity()
347 return -EFAULT; in ata_get_identity()
353 * ata_cmd_ioctl - Handler for HDIO_DRIVE_CMD ioctl
375 return -EINVAL; in ata_cmd_ioctl()
378 return -EFAULT; in ata_cmd_ioctl()
387 rc = -ENOMEM; in ata_cmd_ioctl()
391 scsi_cmd[1] = (4 << 1); /* PIO Data-in */ in ata_cmd_ioctl()
396 scsi_cmd[1] = (3 << 1); /* Non-data */ in ata_cmd_ioctl()
404 if (args[0] == ATA_CMD_SMART) { /* hack -- ide driver does this too */ in ata_cmd_ioctl()
426 /* If we set cc then ATA pass-through will cause a in ata_cmd_ioctl()
441 rc = -EFAULT; in ata_cmd_ioctl()
447 rc = -EIO; in ata_cmd_ioctl()
453 rc = -EFAULT; in ata_cmd_ioctl()
460 * ata_task_ioctl - Handler for HDIO_DRIVE_TASK ioctl
480 return -EINVAL; in ata_task_ioctl()
483 return -EFAULT; in ata_task_ioctl()
488 scsi_cmd[1] = (3 << 1); /* Non-data */ in ata_task_ioctl()
510 /* If we set cc then ATA pass-through will cause a in ata_task_ioctl()
527 args[6] = desc[12]; /* select */ in ata_task_ioctl()
529 rc = -EFAULT; in ata_task_ioctl()
534 rc = -EIO; in ata_task_ioctl()
544 if (ap->flags & ATA_FLAG_PIO_DMA) in ata_ioc32()
546 if (ap->pflags & ATA_PFLAG_PIO32) in ata_ioc32()
559 int rc = -EINVAL; in ata_sas_scsi_ioctl()
564 spin_lock_irqsave(ap->lock, flags); in ata_sas_scsi_ioctl()
566 spin_unlock_irqrestore(ap->lock, flags); in ata_sas_scsi_ioctl()
576 spin_lock_irqsave(ap->lock, flags); in ata_sas_scsi_ioctl()
577 if (ap->pflags & ATA_PFLAG_PIO32CHANGE) { in ata_sas_scsi_ioctl()
579 ap->pflags |= ATA_PFLAG_PIO32; in ata_sas_scsi_ioctl()
581 ap->pflags &= ~ATA_PFLAG_PIO32; in ata_sas_scsi_ioctl()
584 rc = -EINVAL; in ata_sas_scsi_ioctl()
586 spin_unlock_irqrestore(ap->lock, flags); in ata_sas_scsi_ioctl()
594 return -EACCES; in ata_sas_scsi_ioctl()
599 return -EACCES; in ata_sas_scsi_ioctl()
603 rc = -ENOTTY; in ata_sas_scsi_ioctl()
614 return ata_sas_scsi_ioctl(ata_shost_to_port(scsidev->host), in ata_scsi_ioctl()
620 * ata_scsi_qc_new - acquire new ata_queued_cmd reference
628 * If a command was available, fill in the SCSI-specific
641 struct ata_port *ap = dev->link->ap; in ata_scsi_qc_new()
645 if (unlikely(ap->pflags & ATA_PFLAG_FROZEN)) in ata_scsi_qc_new()
648 if (ap->flags & ATA_FLAG_SAS_HOST) { in ata_scsi_qc_new()
651 * unique per-device budget token as a tag. in ata_scsi_qc_new()
653 if (WARN_ON_ONCE(cmd->budget_token >= ATA_MAX_QUEUE)) in ata_scsi_qc_new()
655 tag = cmd->budget_token; in ata_scsi_qc_new()
657 tag = scsi_cmd_to_rq(cmd)->tag; in ata_scsi_qc_new()
661 qc->tag = qc->hw_tag = tag; in ata_scsi_qc_new()
662 qc->ap = ap; in ata_scsi_qc_new()
663 qc->dev = dev; in ata_scsi_qc_new()
667 qc->scsicmd = cmd; in ata_scsi_qc_new()
668 qc->scsidone = scsi_done; in ata_scsi_qc_new()
670 qc->sg = scsi_sglist(cmd); in ata_scsi_qc_new()
671 qc->n_elem = scsi_sg_count(cmd); in ata_scsi_qc_new()
673 if (scsi_cmd_to_rq(cmd)->rq_flags & RQF_QUIET) in ata_scsi_qc_new()
674 qc->flags |= ATA_QCFLAG_QUIET; in ata_scsi_qc_new()
687 struct scsi_cmnd *scmd = qc->scsicmd; in ata_qc_set_pc_nbytes()
689 qc->extrabytes = scmd->extra_len; in ata_qc_set_pc_nbytes()
690 qc->nbytes = scsi_bufflen(scmd) + qc->extrabytes; in ata_qc_set_pc_nbytes()
694 * ata_dump_status - user friendly display of error info
700 * make-believe layer.
707 u8 stat = tf->status, err = tf->error; in ata_dump_status()
735 * ata_to_sense_error - convert ATA error to SCSI error
779 /* TRK0 - Track 0 not found */ in ata_to_sense_error()
786 /* SRV/IDNF - ID not found */ in ata_to_sense_error()
789 /* MC - Media Changed */ in ata_to_sense_error()
792 /* ECC - Uncorrectable ECC error */ in ata_to_sense_error()
795 /* BBD - block marked bad */ in ata_to_sense_error()
866 * ata_gen_passthru_sense - Generate check condition sense block.
876 * asc,ascq = ATA PASS-THROUGH INFORMATION AVAILABLE
884 struct scsi_cmnd *cmd = qc->scsicmd; in ata_gen_passthru_sense()
885 struct ata_taskfile *tf = &qc->result_tf; in ata_gen_passthru_sense()
886 unsigned char *sb = cmd->sense_buffer; in ata_gen_passthru_sense()
888 int verbose = qc->ap->ops->error_handler == NULL; in ata_gen_passthru_sense()
897 if (qc->err_mask || in ata_gen_passthru_sense()
898 tf->status & (ATA_BUSY | ATA_DF | ATA_ERR | ATA_DRQ)) { in ata_gen_passthru_sense()
899 ata_to_sense_error(qc->ap->print_id, tf->status, tf->error, in ata_gen_passthru_sense()
901 ata_scsi_set_sense(qc->dev, cmd, sense_key, asc, ascq); in ata_gen_passthru_sense()
904 * ATA PASS-THROUGH INFORMATION AVAILABLE in ata_gen_passthru_sense()
910 if ((cmd->sense_buffer[0] & 0x7f) >= 0x72) { in ata_gen_passthru_sense()
928 desc[3] = tf->error; in ata_gen_passthru_sense()
929 desc[5] = tf->nsect; in ata_gen_passthru_sense()
930 desc[7] = tf->lbal; in ata_gen_passthru_sense()
931 desc[9] = tf->lbam; in ata_gen_passthru_sense()
932 desc[11] = tf->lbah; in ata_gen_passthru_sense()
933 desc[12] = tf->device; in ata_gen_passthru_sense()
934 desc[13] = tf->status; in ata_gen_passthru_sense()
940 if (tf->flags & ATA_TFLAG_LBA48) { in ata_gen_passthru_sense()
942 desc[4] = tf->hob_nsect; in ata_gen_passthru_sense()
943 desc[6] = tf->hob_lbal; in ata_gen_passthru_sense()
944 desc[8] = tf->hob_lbam; in ata_gen_passthru_sense()
945 desc[10] = tf->hob_lbah; in ata_gen_passthru_sense()
949 desc[0] = tf->error; in ata_gen_passthru_sense()
950 desc[1] = tf->status; in ata_gen_passthru_sense()
951 desc[2] = tf->device; in ata_gen_passthru_sense()
952 desc[3] = tf->nsect; in ata_gen_passthru_sense()
954 if (tf->flags & ATA_TFLAG_LBA48) { in ata_gen_passthru_sense()
956 if (tf->hob_nsect) in ata_gen_passthru_sense()
958 if (tf->hob_lbal || tf->hob_lbam || tf->hob_lbah) in ata_gen_passthru_sense()
961 desc[9] = tf->lbal; in ata_gen_passthru_sense()
962 desc[10] = tf->lbam; in ata_gen_passthru_sense()
963 desc[11] = tf->lbah; in ata_gen_passthru_sense()
968 * ata_gen_ata_sense - generate a SCSI fixed sense block
979 struct ata_device *dev = qc->dev; in ata_gen_ata_sense()
980 struct scsi_cmnd *cmd = qc->scsicmd; in ata_gen_ata_sense()
981 struct ata_taskfile *tf = &qc->result_tf; in ata_gen_ata_sense()
982 unsigned char *sb = cmd->sense_buffer; in ata_gen_ata_sense()
983 int verbose = qc->ap->ops->error_handler == NULL; in ata_gen_ata_sense()
998 if (qc->err_mask || in ata_gen_ata_sense()
999 tf->status & (ATA_BUSY | ATA_DF | ATA_ERR | ATA_DRQ)) { in ata_gen_ata_sense()
1000 ata_to_sense_error(qc->ap->print_id, tf->status, tf->error, in ata_gen_ata_sense()
1006 tf->status, qc->err_mask); in ata_gen_ata_sense()
1011 block = ata_tf_read_block(&qc->result_tf, dev); in ata_gen_ata_sense()
1020 sdev->use_10_for_rw = 1; in ata_scsi_sdev_config()
1021 sdev->use_10_for_ms = 1; in ata_scsi_sdev_config()
1022 sdev->no_write_same = 1; in ata_scsi_sdev_config()
1024 /* Schedule policy is determined by ->qc_defer() callback and in ata_scsi_sdev_config()
1029 sdev->max_device_blocked = 1; in ata_scsi_sdev_config()
1033 * ata_scsi_dma_need_drain - Check whether data transfer may overflow
1051 return atapi_cmd_type(scmd->cmnd[0]) == ATAPI_MISC; in ata_scsi_dma_need_drain()
1057 struct request_queue *q = sdev->request_queue; in ata_scsi_dev_config()
1060 if (!ata_id_has_unload(dev->id)) in ata_scsi_dev_config()
1061 dev->flags |= ATA_DFLAG_NO_UNLOAD; in ata_scsi_dev_config()
1064 dev->max_sectors = min(dev->max_sectors, sdev->host->max_sectors); in ata_scsi_dev_config()
1065 blk_queue_max_hw_sectors(q, dev->max_sectors); in ata_scsi_dev_config()
1067 if (dev->class == ATA_DEV_ATAPI) { in ata_scsi_dev_config()
1068 sdev->sector_size = ATA_SECT_SIZE; in ata_scsi_dev_config()
1071 blk_queue_update_dma_pad(q, ATA_DMA_PAD_SZ - 1); in ata_scsi_dev_config()
1074 blk_queue_max_segments(q, queue_max_segments(q) - 1); in ata_scsi_dev_config()
1076 sdev->dma_drain_len = ATAPI_MAX_DRAIN; in ata_scsi_dev_config()
1077 sdev->dma_drain_buf = kmalloc(sdev->dma_drain_len, GFP_NOIO); in ata_scsi_dev_config()
1078 if (!sdev->dma_drain_buf) { in ata_scsi_dev_config()
1080 return -ENOMEM; in ata_scsi_dev_config()
1083 sdev->sector_size = ata_id_logical_sector_size(dev->id); in ata_scsi_dev_config()
1084 sdev->manage_start_stop = 1; in ata_scsi_dev_config()
1094 if (sdev->sector_size > PAGE_SIZE) in ata_scsi_dev_config()
1097 sdev->sector_size); in ata_scsi_dev_config()
1099 blk_queue_update_dma_alignment(q, sdev->sector_size - 1); in ata_scsi_dev_config()
1101 if (dev->flags & ATA_DFLAG_AN) in ata_scsi_dev_config()
1102 set_bit(SDEV_EVT_MEDIA_CHANGE, sdev->supported_events); in ata_scsi_dev_config()
1104 if (dev->flags & ATA_DFLAG_NCQ) in ata_scsi_dev_config()
1105 depth = min(sdev->host->can_queue, ata_id_queue_depth(dev->id)); in ata_scsi_dev_config()
1109 if (dev->flags & ATA_DFLAG_TRUSTED) in ata_scsi_dev_config()
1110 sdev->security_supported = 1; in ata_scsi_dev_config()
1112 dev->sdev = sdev; in ata_scsi_dev_config()
1117 * ata_scsi_slave_config - Set SCSI device attributes
1122 * SCSI mid-layer behaviors.
1130 struct ata_port *ap = ata_shost_to_port(sdev->host); in ata_scsi_slave_config()
1144 * ata_scsi_slave_destroy - SCSI device is about to be destroyed
1149 * dev->sdev, this function doesn't have to do anything.
1150 * Otherwise, SCSI layer initiated warm-unplug is in progress.
1151 * Clear dev->sdev, schedule the device for ATA detach and invoke
1159 struct ata_port *ap = ata_shost_to_port(sdev->host); in ata_scsi_slave_destroy()
1163 if (!ap->ops->error_handler) in ata_scsi_slave_destroy()
1166 spin_lock_irqsave(ap->lock, flags); in ata_scsi_slave_destroy()
1168 if (dev && dev->sdev) { in ata_scsi_slave_destroy()
1170 dev->sdev = NULL; in ata_scsi_slave_destroy()
1171 dev->flags |= ATA_DFLAG_DETACH; in ata_scsi_slave_destroy()
1174 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_slave_destroy()
1176 kfree(sdev->dma_drain_buf); in ata_scsi_slave_destroy()
1181 * ata_scsi_start_stop_xlat - Translate SCSI START STOP UNIT command
1193 * Zero on success, non-zero on error.
1197 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_start_stop_xlat()
1198 struct ata_taskfile *tf = &qc->tf; in ata_scsi_start_stop_xlat()
1199 const u8 *cdb = scmd->cmnd; in ata_scsi_start_stop_xlat()
1203 if (scmd->cmd_len < 5) { in ata_scsi_start_stop_xlat()
1208 tf->flags |= ATA_TFLAG_DEVICE | ATA_TFLAG_ISADDR; in ata_scsi_start_stop_xlat()
1209 tf->protocol = ATA_PROT_NODATA; in ata_scsi_start_stop_xlat()
1211 ; /* ignore IMMED bit, violates sat-r05 */ in ata_scsi_start_stop_xlat()
1225 tf->nsect = 1; /* 1 sector, lba=0 */ in ata_scsi_start_stop_xlat()
1227 if (qc->dev->flags & ATA_DFLAG_LBA) { in ata_scsi_start_stop_xlat()
1228 tf->flags |= ATA_TFLAG_LBA; in ata_scsi_start_stop_xlat()
1230 tf->lbah = 0x0; in ata_scsi_start_stop_xlat()
1231 tf->lbam = 0x0; in ata_scsi_start_stop_xlat()
1232 tf->lbal = 0x0; in ata_scsi_start_stop_xlat()
1233 tf->device |= ATA_LBA; in ata_scsi_start_stop_xlat()
1236 tf->lbal = 0x1; /* sect */ in ata_scsi_start_stop_xlat()
1237 tf->lbam = 0x0; /* cyl low */ in ata_scsi_start_stop_xlat()
1238 tf->lbah = 0x0; /* cyl high */ in ata_scsi_start_stop_xlat()
1241 tf->command = ATA_CMD_VERIFY; /* READ VERIFY */ in ata_scsi_start_stop_xlat()
1246 if ((qc->ap->flags & ATA_FLAG_NO_POWEROFF_SPINDOWN) && in ata_scsi_start_stop_xlat()
1250 if ((qc->ap->flags & ATA_FLAG_NO_HIBERNATE_SPINDOWN) && in ata_scsi_start_stop_xlat()
1255 tf->command = ATA_CMD_STANDBYNOW1; in ata_scsi_start_stop_xlat()
1262 * MODE SELECT to be implemented. in ata_scsi_start_stop_xlat()
1268 ata_scsi_set_invalid_field(qc->dev, scmd, fp, bp); in ata_scsi_start_stop_xlat()
1271 scmd->result = SAM_STAT_GOOD; in ata_scsi_start_stop_xlat()
1277 * ata_scsi_flush_xlat - Translate SCSI SYNCHRONIZE CACHE command
1287 * Zero on success, non-zero on error.
1291 struct ata_taskfile *tf = &qc->tf; in ata_scsi_flush_xlat()
1293 tf->flags |= ATA_TFLAG_DEVICE; in ata_scsi_flush_xlat()
1294 tf->protocol = ATA_PROT_NODATA; in ata_scsi_flush_xlat()
1296 if (qc->dev->flags & ATA_DFLAG_FLUSH_EXT) in ata_scsi_flush_xlat()
1297 tf->command = ATA_CMD_FLUSH_EXT; in ata_scsi_flush_xlat()
1299 tf->command = ATA_CMD_FLUSH; in ata_scsi_flush_xlat()
1302 qc->flags |= ATA_QCFLAG_IO; in ata_scsi_flush_xlat()
1308 * scsi_6_lba_len - Get LBA and transfer length
1311 * Calculate LBA and transfer length for 6-byte commands.
1333 * scsi_10_lba_len - Get LBA and transfer length
1336 * Calculate LBA and transfer length for 10-byte commands.
1349 * scsi_16_lba_len - Get LBA and transfer length
1352 * Calculate LBA and transfer length for 16-byte commands.
1365 * ata_scsi_verify_xlat - Translate SCSI VERIFY command into an ATA one
1374 * Zero on success, non-zero on error.
1378 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_verify_xlat()
1379 struct ata_taskfile *tf = &qc->tf; in ata_scsi_verify_xlat()
1380 struct ata_device *dev = qc->dev; in ata_scsi_verify_xlat()
1381 u64 dev_sectors = qc->dev->n_sectors; in ata_scsi_verify_xlat()
1382 const u8 *cdb = scmd->cmnd; in ata_scsi_verify_xlat()
1387 tf->flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE; in ata_scsi_verify_xlat()
1388 tf->protocol = ATA_PROT_NODATA; in ata_scsi_verify_xlat()
1392 if (scmd->cmd_len < 10) { in ata_scsi_verify_xlat()
1399 if (scmd->cmd_len < 16) { in ata_scsi_verify_xlat()
1417 if (dev->flags & ATA_DFLAG_LBA) { in ata_scsi_verify_xlat()
1418 tf->flags |= ATA_TFLAG_LBA; in ata_scsi_verify_xlat()
1422 tf->command = ATA_CMD_VERIFY; in ata_scsi_verify_xlat()
1423 tf->device |= (block >> 24) & 0xf; in ata_scsi_verify_xlat()
1425 if (!(dev->flags & ATA_DFLAG_LBA48)) in ata_scsi_verify_xlat()
1429 tf->flags |= ATA_TFLAG_LBA48; in ata_scsi_verify_xlat()
1430 tf->command = ATA_CMD_VERIFY_EXT; in ata_scsi_verify_xlat()
1432 tf->hob_nsect = (n_block >> 8) & 0xff; in ata_scsi_verify_xlat()
1434 tf->hob_lbah = (block >> 40) & 0xff; in ata_scsi_verify_xlat()
1435 tf->hob_lbam = (block >> 32) & 0xff; in ata_scsi_verify_xlat()
1436 tf->hob_lbal = (block >> 24) & 0xff; in ata_scsi_verify_xlat()
1441 tf->nsect = n_block & 0xff; in ata_scsi_verify_xlat()
1443 tf->lbah = (block >> 16) & 0xff; in ata_scsi_verify_xlat()
1444 tf->lbam = (block >> 8) & 0xff; in ata_scsi_verify_xlat()
1445 tf->lbal = block & 0xff; in ata_scsi_verify_xlat()
1447 tf->device |= ATA_LBA; in ata_scsi_verify_xlat()
1456 track = (u32)block / dev->sectors; in ata_scsi_verify_xlat()
1457 cyl = track / dev->heads; in ata_scsi_verify_xlat()
1458 head = track % dev->heads; in ata_scsi_verify_xlat()
1459 sect = (u32)block % dev->sectors + 1; in ata_scsi_verify_xlat()
1462 Cylinder: 0-65535 in ata_scsi_verify_xlat()
1463 Head: 0-15 in ata_scsi_verify_xlat()
1464 Sector: 1-255*/ in ata_scsi_verify_xlat()
1468 tf->command = ATA_CMD_VERIFY; in ata_scsi_verify_xlat()
1469 tf->nsect = n_block & 0xff; /* Sector count 0 means 256 sectors */ in ata_scsi_verify_xlat()
1470 tf->lbal = sect; in ata_scsi_verify_xlat()
1471 tf->lbam = cyl; in ata_scsi_verify_xlat()
1472 tf->lbah = cyl >> 8; in ata_scsi_verify_xlat()
1473 tf->device |= head; in ata_scsi_verify_xlat()
1479 ata_scsi_set_invalid_field(qc->dev, scmd, fp, 0xff); in ata_scsi_verify_xlat()
1483 ata_scsi_set_sense(qc->dev, scmd, ILLEGAL_REQUEST, 0x21, 0x0); in ata_scsi_verify_xlat()
1488 scmd->result = SAM_STAT_GOOD; in ata_scsi_verify_xlat()
1500 req_blocks = blk_rq_bytes(rq) / scmd->device->sector_size; in ata_check_nblocks()
1508 * ata_scsi_rw_xlat - Translate SCSI r/w command into an ATA one
1523 * Zero on success, non-zero on error.
1527 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_rw_xlat()
1528 const u8 *cdb = scmd->cmnd; in ata_scsi_rw_xlat()
1549 if (unlikely(scmd->cmd_len < 10)) { in ata_scsi_rw_xlat()
1561 if (unlikely(scmd->cmd_len < 6)) { in ata_scsi_rw_xlat()
1567 /* for 6-byte r/w commands, transfer length 0 in ata_scsi_rw_xlat()
1577 if (unlikely(scmd->cmd_len < 16)) { in ata_scsi_rw_xlat()
1594 /* For 10-byte and 16-byte SCSI R/W commands, transfer in ata_scsi_rw_xlat()
1603 qc->flags |= ATA_QCFLAG_IO; in ata_scsi_rw_xlat()
1604 qc->nbytes = n_block * scmd->device->sector_size; in ata_scsi_rw_xlat()
1610 if (rc == -ERANGE) in ata_scsi_rw_xlat()
1612 /* treat all other errors as -EINVAL, fall through */ in ata_scsi_rw_xlat()
1614 ata_scsi_set_invalid_field(qc->dev, scmd, fp, 0xff); in ata_scsi_rw_xlat()
1618 ata_scsi_set_sense(qc->dev, scmd, ILLEGAL_REQUEST, 0x21, 0x0); in ata_scsi_rw_xlat()
1623 scmd->result = SAM_STAT_GOOD; in ata_scsi_rw_xlat()
1629 struct scsi_cmnd *cmd = qc->scsicmd; in ata_qc_done()
1630 void (*done)(struct scsi_cmnd *) = qc->scsidone; in ata_qc_done()
1638 struct ata_port *ap = qc->ap; in ata_scsi_qc_complete()
1639 struct scsi_cmnd *cmd = qc->scsicmd; in ata_scsi_qc_complete()
1640 u8 *cdb = cmd->cmnd; in ata_scsi_qc_complete()
1641 int need_sense = (qc->err_mask != 0); in ata_scsi_qc_complete()
1650 * asc,ascq = ATA PASS-THROUGH INFORMATION AVAILABLE in ata_scsi_qc_complete()
1655 else if (qc->flags & ATA_QCFLAG_SENSE_VALID) in ata_scsi_qc_complete()
1656 cmd->result = SAM_STAT_CHECK_CONDITION; in ata_scsi_qc_complete()
1660 cmd->result = SAM_STAT_GOOD; in ata_scsi_qc_complete()
1662 if (need_sense && !ap->ops->error_handler) in ata_scsi_qc_complete()
1663 ata_dump_status(ap, &qc->result_tf); in ata_scsi_qc_complete()
1669 * ata_scsi_translate - Translate then issue SCSI command to ATA device
1674 * Our ->queuecommand() function has decided that the SCSI
1683 * then cmd->result (and possibly cmd->sense_buffer) are assumed
1697 struct ata_port *ap = dev->link->ap; in ata_scsi_translate()
1705 /* data is present; dma-map it */ in ata_scsi_translate()
1706 if (cmd->sc_data_direction == DMA_FROM_DEVICE || in ata_scsi_translate()
1707 cmd->sc_data_direction == DMA_TO_DEVICE) { in ata_scsi_translate()
1715 qc->dma_dir = cmd->sc_data_direction; in ata_scsi_translate()
1718 qc->complete_fn = ata_scsi_qc_complete; in ata_scsi_translate()
1723 if (ap->ops->qc_defer) { in ata_scsi_translate()
1724 if ((rc = ap->ops->qc_defer(qc))) in ata_scsi_translate()
1728 /* select device, send command to hardware */ in ata_scsi_translate()
1740 cmd->result = (DID_ERROR << 16); in ata_scsi_translate()
1760 * ata_scsi_rbuf_fill - wrapper for SCSI command simulators
1768 * completed successfully (0), or not (in which case cmd->result
1778 struct scsi_cmnd *cmd = args->cmd; in ata_scsi_rbuf_fill()
1792 cmd->result = SAM_STAT_GOOD; in ata_scsi_rbuf_fill()
1796 * ata_scsiop_inq_std - Simulate INQUIRY command
1801 * with non-VPD INQUIRY command output.
1810 0x60, /* SAM-3 (no version claimed) */ in ata_scsiop_inq_std()
1813 0x20, /* SBC-2 (no version claimed) */ in ata_scsiop_inq_std()
1816 0x00 /* SPC-3 (no version claimed) */ in ata_scsiop_inq_std()
1820 0xA0, /* SAM-5 (no version claimed) */ in ata_scsiop_inq_std()
1823 0x00, /* SBC-4 (no version claimed) */ in ata_scsiop_inq_std()
1826 0xC0, /* SPC-5 (no version claimed) */ in ata_scsiop_inq_std()
1835 0x5, /* claim SPC-3 version compatibility */ in ata_scsiop_inq_std()
1837 95 - 4, in ata_scsiop_inq_std()
1844 * AHCI port says it's external (Hotplug-capable, eSATA). in ata_scsiop_inq_std()
1846 if (ata_id_removable(args->id) || in ata_scsiop_inq_std()
1847 (args->dev->link->ap->pflags & ATA_PFLAG_EXTERNAL)) in ata_scsiop_inq_std()
1850 if (args->dev->class == ATA_DEV_ZAC) { in ata_scsiop_inq_std()
1852 hdr[2] = 0x7; /* claim SPC-5 version compatibility */ in ata_scsiop_inq_std()
1857 ata_id_string(args->id, &rbuf[16], ATA_ID_PROD, 16); in ata_scsiop_inq_std()
1860 ata_id_string(args->id, &rbuf[32], ATA_ID_FW_REV + 2, 4); in ata_scsiop_inq_std()
1862 ata_id_string(args->id, &rbuf[32], ATA_ID_FW_REV, 4); in ata_scsiop_inq_std()
1867 if (ata_id_zoned_cap(args->id) || args->dev->class == ATA_DEV_ZAC) in ata_scsiop_inq_std()
1876 * ata_scsiop_inq_00 - Simulate INQUIRY VPD page 0, list of pages
1902 !(args->dev->flags & ATA_DFLAG_ZAC)) in ata_scsiop_inq_00()
1912 * ata_scsiop_inq_80 - Simulate INQUIRY VPD page 80, device serial number
1931 ata_id_string(args->id, (unsigned char *) &rbuf[4], in ata_scsiop_inq_80()
1937 * ata_scsiop_inq_83 - Simulate INQUIRY VPD page 83, device identity
1942 * - vendor specific ASCII containing the ATA serial number
1943 * - SAT defined "t10 vendor id based" containing ASCII vendor
1957 /* piv=0, assoc=lu, code_set=ACSII, designator=vendor */ in ata_scsiop_inq_83()
1961 ata_id_string(args->id, (unsigned char *) rbuf + num, in ata_scsiop_inq_83()
1966 /* piv=0, assoc=lu, code_set=ACSII, designator=t10 vendor id */ in ata_scsiop_inq_83()
1973 ata_id_string(args->id, (unsigned char *) rbuf + num, ATA_ID_PROD, in ata_scsiop_inq_83()
1976 ata_id_string(args->id, (unsigned char *) rbuf + num, ATA_ID_SERNO, in ata_scsiop_inq_83()
1980 if (ata_id_has_wwn(args->id)) { in ata_scsiop_inq_83()
1982 /* piv=0, assoc=lu, code_set=binary, designator=NAA */ in ata_scsiop_inq_83()
1987 ata_id_string(args->id, (unsigned char *) rbuf + num, in ata_scsiop_inq_83()
1991 rbuf[3] = num - 4; /* page len (assume less than 256 bytes) */ in ata_scsiop_inq_83()
1996 * ata_scsiop_inq_89 - Simulate INQUIRY VPD page 89, ATA info
2000 * Yields SAT-specified ATA VPD page.
2026 memcpy(&rbuf[60], &args->id[0], 512); in ata_scsiop_inq_89()
2032 struct ata_device *dev = args->dev; in ata_scsiop_inq_b0()
2045 min_io_sectors = 1 << ata_id_log2_per_physical_sector(args->id); in ata_scsiop_inq_b0()
2054 * that we support some form of unmap - in thise case via WRITE SAME in ata_scsiop_inq_b0()
2057 if (ata_id_has_trim(args->id)) { in ata_scsiop_inq_b0()
2060 if (dev->horkage & ATA_HORKAGE_MAX_TRIM_128M) in ata_scsiop_inq_b0()
2061 max_blocks = 128 << (20 - SECTOR_SHIFT); in ata_scsiop_inq_b0()
2072 int form_factor = ata_id_form_factor(args->id); in ata_scsiop_inq_b1()
2073 int media_rotation_rate = ata_id_rotation_rate(args->id); in ata_scsiop_inq_b1()
2074 u8 zoned = ata_id_zoned_cap(args->id); in ata_scsiop_inq_b1()
2089 /* SCSI Thin Provisioning VPD page: SBC-3 rev 22 or later */ in ata_scsiop_inq_b2()
2100 * zbc-r05 SCSI Zoned Block device characteristics VPD page in ata_scsiop_inq_b6()
2106 * URSWRZ bit is only meaningful for host-managed ZAC drives in ata_scsiop_inq_b6()
2108 if (args->dev->zac_zoned_cap & 1) in ata_scsiop_inq_b6()
2110 put_unaligned_be32(args->dev->zac_zones_optimal_open, &rbuf[8]); in ata_scsiop_inq_b6()
2111 put_unaligned_be32(args->dev->zac_zones_optimal_nonseq, &rbuf[12]); in ata_scsiop_inq_b6()
2112 put_unaligned_be32(args->dev->zac_zones_max_open, &rbuf[16]); in ata_scsiop_inq_b6()
2119 struct ata_cpr_log *cpr_log = args->dev->cpr_log; in ata_scsiop_inq_b9()
2123 /* SCSI Concurrent Positioning Ranges VPD page: SBC-5 rev 1 or later */ in ata_scsiop_inq_b9()
2125 put_unaligned_be16(64 + (int)cpr_log->nr_cpr * 32 - 4, &rbuf[2]); in ata_scsiop_inq_b9()
2127 for (i = 0; i < cpr_log->nr_cpr; i++, desc += 32) { in ata_scsiop_inq_b9()
2128 desc[0] = cpr_log->cpr[i].num; in ata_scsiop_inq_b9()
2129 desc[1] = cpr_log->cpr[i].num_storage_elements; in ata_scsiop_inq_b9()
2130 put_unaligned_be64(cpr_log->cpr[i].start_lba, &desc[8]); in ata_scsiop_inq_b9()
2131 put_unaligned_be64(cpr_log->cpr[i].num_lbas, &desc[16]); in ata_scsiop_inq_b9()
2138 * modecpy - Prepare response for MODE SENSE
2154 memset(dest + 2, 0, n - 2); in modecpy()
2161 * ata_msense_caching - Simulate MODE SENSE caching info page
2186 * ata_msense_control - Simulate MODE SENSE control mode page
2203 bool d_sense = (dev->flags & ATA_DFLAG_D_SENSE); in ata_msense_control()
2211 * ata_msense_rw_recovery - Simulate MODE SENSE r/w error recovery page
2252 * ata_scsiop_mode_sense - Simulate MODE SENSE 6, 10 commands
2265 struct ata_device *dev = args->dev; in ata_scsiop_mode_sense()
2266 u8 *scsicmd = args->cmd->cmnd, *p = rbuf; in ata_scsiop_mode_sense()
2319 p += ata_msense_caching(args->id, p, page_control == 1); in ata_scsiop_mode_sense()
2323 p += ata_msense_control(args->dev, p, page_control == 1); in ata_scsiop_mode_sense()
2328 p += ata_msense_caching(args->id, p, page_control == 1); in ata_scsiop_mode_sense()
2329 p += ata_msense_control(args->dev, p, page_control == 1); in ata_scsiop_mode_sense()
2338 if (ata_dev_supports_fua(args->id) && (dev->flags & ATA_DFLAG_LBA48) && in ata_scsiop_mode_sense()
2339 (!(dev->flags & ATA_DFLAG_PIO) || dev->multi_count)) in ata_scsiop_mode_sense()
2343 rbuf[0] = p - rbuf - 1; in ata_scsiop_mode_sense()
2350 unsigned int output_len = p - rbuf - 2; in ata_scsiop_mode_sense()
2363 ata_scsi_set_invalid_field(dev, args->cmd, fp, bp); in ata_scsiop_mode_sense()
2367 ata_scsi_set_sense(dev, args->cmd, ILLEGAL_REQUEST, 0x39, 0x0); in ata_scsiop_mode_sense()
2373 * ata_scsiop_read_cap - Simulate READ CAPACITY[ 16] commands
2384 struct ata_device *dev = args->dev; in ata_scsiop_read_cap()
2385 u64 last_lba = dev->n_sectors - 1; /* LBA of the last block */ in ata_scsiop_read_cap()
2390 sector_size = ata_id_logical_sector_size(dev->id); in ata_scsiop_read_cap()
2391 log2_per_phys = ata_id_log2_per_physical_sector(dev->id); in ata_scsiop_read_cap()
2392 lowest_aligned = ata_id_logical_sector_offset(dev->id, log2_per_phys); in ata_scsiop_read_cap()
2394 if (args->cmd->cmnd[0] == READ_CAPACITY) { in ata_scsiop_read_cap()
2398 /* sector count, 32-bit */ in ata_scsiop_read_cap()
2410 /* sector count, 64-bit */ in ata_scsiop_read_cap()
2431 if (ata_id_has_trim(args->id) && in ata_scsiop_read_cap()
2432 !(dev->horkage & ATA_HORKAGE_NOTRIM)) { in ata_scsiop_read_cap()
2435 if (ata_id_has_zero_after_trim(args->id) && in ata_scsiop_read_cap()
2436 dev->horkage & ATA_HORKAGE_ZERO_AFTER_TRIM) { in ata_scsiop_read_cap()
2441 if (ata_id_zoned_cap(args->id) || in ata_scsiop_read_cap()
2442 args->dev->class == ATA_DEV_ZAC) in ata_scsiop_read_cap()
2449 * ata_scsiop_report_luns - Simulate REPORT LUNS command
2467 if (qc->err_mask && ((qc->err_mask & AC_ERR_DEV) == 0)) { in atapi_sense_complete()
2482 return (ap->flags & ATA_FLAG_PIO_DMA); in ata_pio_use_silly()
2487 struct ata_port *ap = qc->ap; in atapi_request_sense()
2488 struct scsi_cmnd *cmd = qc->scsicmd; in atapi_request_sense()
2490 memset(cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); in atapi_request_sense()
2493 if (ap->ops->sff_tf_read) in atapi_request_sense()
2494 ap->ops->sff_tf_read(ap, &qc->tf); in atapi_request_sense()
2497 /* fill these in, for the case where they are -not- overwritten */ in atapi_request_sense()
2498 cmd->sense_buffer[0] = 0x70; in atapi_request_sense()
2499 cmd->sense_buffer[2] = qc->tf.error >> 4; in atapi_request_sense()
2504 sg_init_one(&qc->sgent, cmd->sense_buffer, SCSI_SENSE_BUFFERSIZE); in atapi_request_sense()
2505 ata_sg_init(qc, &qc->sgent, 1); in atapi_request_sense()
2506 qc->dma_dir = DMA_FROM_DEVICE; in atapi_request_sense()
2508 memset(&qc->cdb, 0, qc->dev->cdb_len); in atapi_request_sense()
2509 qc->cdb[0] = REQUEST_SENSE; in atapi_request_sense()
2510 qc->cdb[4] = SCSI_SENSE_BUFFERSIZE; in atapi_request_sense()
2512 qc->tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE; in atapi_request_sense()
2513 qc->tf.command = ATA_CMD_PACKET; in atapi_request_sense()
2516 qc->tf.protocol = ATAPI_PROT_DMA; in atapi_request_sense()
2517 qc->tf.feature |= ATAPI_PKT_DMA; in atapi_request_sense()
2519 qc->tf.protocol = ATAPI_PROT_PIO; in atapi_request_sense()
2520 qc->tf.lbam = SCSI_SENSE_BUFFERSIZE; in atapi_request_sense()
2521 qc->tf.lbah = 0; in atapi_request_sense()
2523 qc->nbytes = SCSI_SENSE_BUFFERSIZE; in atapi_request_sense()
2525 qc->complete_fn = atapi_sense_complete; in atapi_request_sense()
2534 * 1) Fake MMC-5 version, to indicate to the Linux scsi midlayer this is a
2552 struct scsi_cmnd *cmd = qc->scsicmd; in atapi_qc_complete()
2553 unsigned int err_mask = qc->err_mask; in atapi_qc_complete()
2556 if (unlikely(qc->ap->ops->error_handler && in atapi_qc_complete()
2557 (err_mask || qc->flags & ATA_QCFLAG_SENSE_VALID))) { in atapi_qc_complete()
2559 if (!(qc->flags & ATA_QCFLAG_SENSE_VALID)) { in atapi_qc_complete()
2568 /* SCSI EH automatically locks door if sdev->locked is in atapi_qc_complete()
2571 * creates a loop - SCSI EH issues door lock which in atapi_qc_complete()
2575 * If door lock fails, always clear sdev->locked to in atapi_qc_complete()
2579 * sure qc->dev->sdev isn't NULL before dereferencing. in atapi_qc_complete()
2581 if (qc->cdb[0] == ALLOW_MEDIUM_REMOVAL && qc->dev->sdev) in atapi_qc_complete()
2582 qc->dev->sdev->locked = 0; in atapi_qc_complete()
2584 qc->scsicmd->result = SAM_STAT_CHECK_CONDITION; in atapi_qc_complete()
2591 cmd->result = SAM_STAT_CHECK_CONDITION; in atapi_qc_complete()
2602 if (cmd->cmnd[0] == INQUIRY && (cmd->cmnd[1] & 0x03) == 0) in atapi_qc_complete()
2604 cmd->result = SAM_STAT_GOOD; in atapi_qc_complete()
2610 * atapi_xlat - Initialize PACKET taskfile
2617 * Zero on success, non-zero on failure.
2621 struct scsi_cmnd *scmd = qc->scsicmd; in atapi_xlat()
2622 struct ata_device *dev = qc->dev; in atapi_xlat()
2623 int nodata = (scmd->sc_data_direction == DMA_NONE); in atapi_xlat()
2624 int using_pio = !nodata && (dev->flags & ATA_DFLAG_PIO); in atapi_xlat()
2627 memset(qc->cdb, 0, dev->cdb_len); in atapi_xlat()
2628 memcpy(qc->cdb, scmd->cmnd, scmd->cmd_len); in atapi_xlat()
2630 qc->complete_fn = atapi_qc_complete; in atapi_xlat()
2632 qc->tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE; in atapi_xlat()
2633 if (scmd->sc_data_direction == DMA_TO_DEVICE) { in atapi_xlat()
2634 qc->tf.flags |= ATA_TFLAG_WRITE; in atapi_xlat()
2637 qc->tf.command = ATA_CMD_PACKET; in atapi_xlat()
2678 qc->tf.lbam = (nbytes & 0xFF); in atapi_xlat()
2679 qc->tf.lbah = (nbytes >> 8); in atapi_xlat()
2682 qc->tf.protocol = ATAPI_PROT_NODATA; in atapi_xlat()
2684 qc->tf.protocol = ATAPI_PROT_PIO; in atapi_xlat()
2687 qc->tf.protocol = ATAPI_PROT_DMA; in atapi_xlat()
2688 qc->tf.feature |= ATAPI_PKT_DMA; in atapi_xlat()
2690 if ((dev->flags & ATA_DFLAG_DMADIR) && in atapi_xlat()
2691 (scmd->sc_data_direction != DMA_TO_DEVICE)) in atapi_xlat()
2693 qc->tf.feature |= ATAPI_DMADIR; in atapi_xlat()
2706 devno < ata_link_max_devices(&ap->link))) in ata_find_dev()
2707 return &ap->link.device[devno]; in ata_find_dev()
2710 devno < ap->nr_pmp_links)) in ata_find_dev()
2711 return &ap->pmp_link[devno].device[0]; in ata_find_dev()
2724 if (unlikely(scsidev->channel || scsidev->lun)) in __ata_scsi_find_dev()
2726 devno = scsidev->id; in __ata_scsi_find_dev()
2728 if (unlikely(scsidev->id || scsidev->lun)) in __ata_scsi_find_dev()
2730 devno = scsidev->channel; in __ata_scsi_find_dev()
2737 * ata_scsi_find_dev - lookup ata_device from scsi_cmnd
2764 * ata_scsi_map_proto - Map pass-thru protocol value to taskfile value.
2765 * @byte1: Byte 1 from pass-thru CDB.
2774 case 3: /* Non-data */ in ata_scsi_map_proto()
2778 case 10: /* UDMA Data-in */ in ata_scsi_map_proto()
2779 case 11: /* UDMA Data-Out */ in ata_scsi_map_proto()
2782 case 4: /* PIO Data-in */ in ata_scsi_map_proto()
2783 case 5: /* PIO Data-out */ in ata_scsi_map_proto()
2803 * ata_scsi_pass_thru - convert ATA pass-thru CDB to taskfile
2806 * Handles either 12, 16, or 32-byte versions of the CDB.
2809 * Zero on success, non-zero on failure.
2813 struct ata_taskfile *tf = &(qc->tf); in ata_scsi_pass_thru()
2814 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_pass_thru()
2815 struct ata_device *dev = qc->dev; in ata_scsi_pass_thru()
2816 const u8 *cdb = scmd->cmnd; in ata_scsi_pass_thru()
2820 /* 7Fh variable length cmd means a ata pass-thru(32) */ in ata_scsi_pass_thru()
2824 tf->protocol = ata_scsi_map_proto(cdb[1 + cdb_offset]); in ata_scsi_pass_thru()
2825 if (tf->protocol == ATA_PROT_UNKNOWN) { in ata_scsi_pass_thru()
2835 if (scmd->sc_data_direction != DMA_NONE) { in ata_scsi_pass_thru()
2840 if (ata_is_ncq(tf->protocol)) in ata_scsi_pass_thru()
2841 tf->protocol = ATA_PROT_NCQ_NODATA; in ata_scsi_pass_thru()
2845 tf->flags |= ATA_TFLAG_LBA; in ata_scsi_pass_thru()
2854 * 16-byte CDB - may contain extended commands. in ata_scsi_pass_thru()
2859 tf->hob_feature = cdb[3]; in ata_scsi_pass_thru()
2860 tf->hob_nsect = cdb[5]; in ata_scsi_pass_thru()
2861 tf->hob_lbal = cdb[7]; in ata_scsi_pass_thru()
2862 tf->hob_lbam = cdb[9]; in ata_scsi_pass_thru()
2863 tf->hob_lbah = cdb[11]; in ata_scsi_pass_thru()
2864 tf->flags |= ATA_TFLAG_LBA48; in ata_scsi_pass_thru()
2866 tf->flags &= ~ATA_TFLAG_LBA48; in ata_scsi_pass_thru()
2871 tf->feature = cdb[4]; in ata_scsi_pass_thru()
2872 tf->nsect = cdb[6]; in ata_scsi_pass_thru()
2873 tf->lbal = cdb[8]; in ata_scsi_pass_thru()
2874 tf->lbam = cdb[10]; in ata_scsi_pass_thru()
2875 tf->lbah = cdb[12]; in ata_scsi_pass_thru()
2876 tf->device = cdb[13]; in ata_scsi_pass_thru()
2877 tf->command = cdb[14]; in ata_scsi_pass_thru()
2881 * 12-byte CDB - incapable of extended commands. in ata_scsi_pass_thru()
2883 tf->flags &= ~ATA_TFLAG_LBA48; in ata_scsi_pass_thru()
2885 tf->feature = cdb[3]; in ata_scsi_pass_thru()
2886 tf->nsect = cdb[4]; in ata_scsi_pass_thru()
2887 tf->lbal = cdb[5]; in ata_scsi_pass_thru()
2888 tf->lbam = cdb[6]; in ata_scsi_pass_thru()
2889 tf->lbah = cdb[7]; in ata_scsi_pass_thru()
2890 tf->device = cdb[8]; in ata_scsi_pass_thru()
2891 tf->command = cdb[9]; in ata_scsi_pass_thru()
2895 * 32-byte CDB - may contain extended command fields. in ata_scsi_pass_thru()
2900 tf->hob_feature = cdb[20]; in ata_scsi_pass_thru()
2901 tf->hob_nsect = cdb[22]; in ata_scsi_pass_thru()
2902 tf->hob_lbal = cdb[16]; in ata_scsi_pass_thru()
2903 tf->hob_lbam = cdb[15]; in ata_scsi_pass_thru()
2904 tf->hob_lbah = cdb[14]; in ata_scsi_pass_thru()
2905 tf->flags |= ATA_TFLAG_LBA48; in ata_scsi_pass_thru()
2907 tf->flags &= ~ATA_TFLAG_LBA48; in ata_scsi_pass_thru()
2909 tf->feature = cdb[21]; in ata_scsi_pass_thru()
2910 tf->nsect = cdb[23]; in ata_scsi_pass_thru()
2911 tf->lbal = cdb[19]; in ata_scsi_pass_thru()
2912 tf->lbam = cdb[18]; in ata_scsi_pass_thru()
2913 tf->lbah = cdb[17]; in ata_scsi_pass_thru()
2914 tf->device = cdb[24]; in ata_scsi_pass_thru()
2915 tf->command = cdb[25]; in ata_scsi_pass_thru()
2916 tf->auxiliary = get_unaligned_be32(&cdb[28]); in ata_scsi_pass_thru()
2921 if (ata_is_ncq(tf->protocol)) in ata_scsi_pass_thru()
2922 tf->nsect = qc->hw_tag << 3; in ata_scsi_pass_thru()
2925 tf->device = dev->devno ? in ata_scsi_pass_thru()
2926 tf->device | ATA_DEV1 : tf->device & ~ATA_DEV1; in ata_scsi_pass_thru()
2928 switch (tf->command) { in ata_scsi_pass_thru()
2929 /* READ/WRITE LONG use a non-standard sect_size */ in ata_scsi_pass_thru()
2934 if (tf->protocol != ATA_PROT_PIO || tf->nsect != 1) { in ata_scsi_pass_thru()
2938 qc->sect_size = scsi_bufflen(scmd); in ata_scsi_pass_thru()
2972 qc->sect_size = scmd->device->sector_size; in ata_scsi_pass_thru()
2977 qc->sect_size = ATA_SECT_SIZE; in ata_scsi_pass_thru()
2985 tf->flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE; in ata_scsi_pass_thru()
2986 if (scmd->sc_data_direction == DMA_TO_DEVICE) in ata_scsi_pass_thru()
2987 tf->flags |= ATA_TFLAG_WRITE; in ata_scsi_pass_thru()
2989 qc->flags |= ATA_QCFLAG_RESULT_TF | ATA_QCFLAG_QUIET; in ata_scsi_pass_thru()
3000 if (tf->protocol == ATA_PROT_DMA && !ata_dma_enabled(dev)) { in ata_scsi_pass_thru()
3006 if (ata_is_ncq(tf->protocol) && !ata_ncq_enabled(dev)) { in ata_scsi_pass_thru()
3023 if (multi_count != dev->multi_count) in ata_scsi_pass_thru()
3029 * Filter SET_FEATURES - XFER MODE command -- otherwise, in ata_scsi_pass_thru()
3030 * SET_FEATURES - XFER MODE must be preceded/succeeded in ata_scsi_pass_thru()
3031 * by an update to hardware-specific registers for each in ata_scsi_pass_thru()
3032 * controller (i.e. the reason for ->set_piomode(), in ata_scsi_pass_thru()
3033 * ->set_dmamode(), and ->post_set_mode() hooks). in ata_scsi_pass_thru()
3035 if (tf->command == ATA_CMD_SET_FEATURES && in ata_scsi_pass_thru()
3036 tf->feature == SETFEATURES_XFER) { in ata_scsi_pass_thru()
3056 if (tf->command >= 0x5C && tf->command <= 0x5F && !libata_allow_tpm) { in ata_scsi_pass_thru()
3069 * ata_format_dsm_trim_descr() - SATL Write Same to DSM Trim
3075 * Rewrite the WRITE SAME descriptor to be a DSM TRIM little-endian formatted
3092 struct scsi_device *sdp = cmd->device; in ata_format_dsm_trim_descr()
3093 size_t len = sdp->sector_size; in ata_format_dsm_trim_descr()
3113 count -= 0xffff; in ata_format_dsm_trim_descr()
3123 * ata_scsi_write_same_xlat() - SATL Write Same to ATA SCT Write Same
3130 * - When set translate to DSM TRIM
3131 * - When clear translate to SCT Write Same
3135 struct ata_taskfile *tf = &qc->tf; in ata_scsi_write_same_xlat()
3136 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_write_same_xlat()
3137 struct scsi_device *sdp = scmd->device; in ata_scsi_write_same_xlat()
3138 size_t len = sdp->sector_size; in ata_scsi_write_same_xlat()
3139 struct ata_device *dev = qc->dev; in ata_scsi_write_same_xlat()
3140 const u8 *cdb = scmd->cmnd; in ata_scsi_write_same_xlat()
3161 if (unlikely(scmd->cmd_len < 16)) { in ata_scsi_write_same_xlat()
3168 (dev->horkage & ATA_HORKAGE_NOTRIM) || in ata_scsi_write_same_xlat()
3169 !ata_id_has_trim(dev->id)) { in ata_scsi_write_same_xlat()
3189 * For DATA SET MANAGEMENT TRIM in ACS-2 nsect (aka count) in ata_scsi_write_same_xlat()
3199 tf->protocol = ATA_PROT_NCQ; in ata_scsi_write_same_xlat()
3200 tf->command = ATA_CMD_FPDMA_SEND; in ata_scsi_write_same_xlat()
3201 tf->hob_nsect = ATA_SUBCMD_FPDMA_SEND_DSM & 0x1f; in ata_scsi_write_same_xlat()
3202 tf->nsect = qc->hw_tag << 3; in ata_scsi_write_same_xlat()
3203 tf->hob_feature = (size / 512) >> 8; in ata_scsi_write_same_xlat()
3204 tf->feature = size / 512; in ata_scsi_write_same_xlat()
3206 tf->auxiliary = 1; in ata_scsi_write_same_xlat()
3208 tf->protocol = ATA_PROT_DMA; in ata_scsi_write_same_xlat()
3209 tf->hob_feature = 0; in ata_scsi_write_same_xlat()
3210 tf->feature = ATA_DSM_TRIM; in ata_scsi_write_same_xlat()
3211 tf->hob_nsect = (size / 512) >> 8; in ata_scsi_write_same_xlat()
3212 tf->nsect = size / 512; in ata_scsi_write_same_xlat()
3213 tf->command = ATA_CMD_DSM; in ata_scsi_write_same_xlat()
3216 tf->flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE | ATA_TFLAG_LBA48 | in ata_scsi_write_same_xlat()
3237 * ata_scsiop_maint_in - Simulate a subset of MAINTENANCE_IN
3248 struct ata_device *dev = args->dev; in ata_scsiop_maint_in()
3249 u8 *cdb = args->cmd->cmnd; in ata_scsiop_maint_in()
3291 if (ata_id_zoned_cap(dev->id) || in ata_scsiop_maint_in()
3292 dev->class == ATA_DEV_ZAC) in ata_scsiop_maint_in()
3297 if (dev->flags & ATA_DFLAG_TRUSTED) in ata_scsiop_maint_in()
3309 * ata_scsi_report_zones_complete - convert ATA output
3312 * Convert T-13 little-endian field representation into
3313 * T-10 big-endian field representation.
3318 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_report_zones_complete()
3381 struct ata_taskfile *tf = &qc->tf; in ata_scsi_zbc_in_xlat()
3382 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_zbc_in_xlat()
3383 const u8 *cdb = scmd->cmnd; in ata_scsi_zbc_in_xlat()
3384 u16 sect, fp = (u16)-1; in ata_scsi_zbc_in_xlat()
3389 if (unlikely(scmd->cmd_len < 16)) { in ata_scsi_zbc_in_xlat()
3390 ata_dev_warn(qc->dev, "invalid cdb length %d\n", in ata_scsi_zbc_in_xlat()
3391 scmd->cmd_len); in ata_scsi_zbc_in_xlat()
3397 ata_dev_warn(qc->dev, "non-matching transfer count (%d/%d)\n", in ata_scsi_zbc_in_xlat()
3403 ata_dev_warn(qc->dev, "invalid service action %d\n", sa); in ata_scsi_zbc_in_xlat()
3412 ata_dev_warn(qc->dev, "invalid transfer count %d\n", n_block); in ata_scsi_zbc_in_xlat()
3418 if (ata_ncq_enabled(qc->dev) && in ata_scsi_zbc_in_xlat()
3419 ata_fpdma_zac_mgmt_in_supported(qc->dev)) { in ata_scsi_zbc_in_xlat()
3420 tf->protocol = ATA_PROT_NCQ; in ata_scsi_zbc_in_xlat()
3421 tf->command = ATA_CMD_FPDMA_RECV; in ata_scsi_zbc_in_xlat()
3422 tf->hob_nsect = ATA_SUBCMD_FPDMA_RECV_ZAC_MGMT_IN & 0x1f; in ata_scsi_zbc_in_xlat()
3423 tf->nsect = qc->hw_tag << 3; in ata_scsi_zbc_in_xlat()
3424 tf->feature = sect & 0xff; in ata_scsi_zbc_in_xlat()
3425 tf->hob_feature = (sect >> 8) & 0xff; in ata_scsi_zbc_in_xlat()
3426 tf->auxiliary = ATA_SUBCMD_ZAC_MGMT_IN_REPORT_ZONES | (options << 8); in ata_scsi_zbc_in_xlat()
3428 tf->command = ATA_CMD_ZAC_MGMT_IN; in ata_scsi_zbc_in_xlat()
3429 tf->feature = ATA_SUBCMD_ZAC_MGMT_IN_REPORT_ZONES; in ata_scsi_zbc_in_xlat()
3430 tf->protocol = ATA_PROT_DMA; in ata_scsi_zbc_in_xlat()
3431 tf->hob_feature = options; in ata_scsi_zbc_in_xlat()
3432 tf->hob_nsect = (sect >> 8) & 0xff; in ata_scsi_zbc_in_xlat()
3433 tf->nsect = sect & 0xff; in ata_scsi_zbc_in_xlat()
3435 tf->device = ATA_LBA; in ata_scsi_zbc_in_xlat()
3436 tf->lbah = (block >> 16) & 0xff; in ata_scsi_zbc_in_xlat()
3437 tf->lbam = (block >> 8) & 0xff; in ata_scsi_zbc_in_xlat()
3438 tf->lbal = block & 0xff; in ata_scsi_zbc_in_xlat()
3439 tf->hob_lbah = (block >> 40) & 0xff; in ata_scsi_zbc_in_xlat()
3440 tf->hob_lbam = (block >> 32) & 0xff; in ata_scsi_zbc_in_xlat()
3441 tf->hob_lbal = (block >> 24) & 0xff; in ata_scsi_zbc_in_xlat()
3443 tf->flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE | ATA_TFLAG_LBA48; in ata_scsi_zbc_in_xlat()
3444 qc->flags |= ATA_QCFLAG_RESULT_TF; in ata_scsi_zbc_in_xlat()
3448 qc->complete_fn = ata_scsi_report_zones_complete; in ata_scsi_zbc_in_xlat()
3453 ata_scsi_set_invalid_field(qc->dev, scmd, fp, bp); in ata_scsi_zbc_in_xlat()
3458 ata_scsi_set_sense(qc->dev, scmd, ILLEGAL_REQUEST, 0x1a, 0x0); in ata_scsi_zbc_in_xlat()
3464 struct ata_taskfile *tf = &qc->tf; in ata_scsi_zbc_out_xlat()
3465 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_zbc_out_xlat()
3466 struct ata_device *dev = qc->dev; in ata_scsi_zbc_out_xlat()
3467 const u8 *cdb = scmd->cmnd; in ata_scsi_zbc_out_xlat()
3471 u16 fp = (u16)-1; in ata_scsi_zbc_out_xlat()
3473 if (unlikely(scmd->cmd_len < 16)) { in ata_scsi_zbc_out_xlat()
3499 } else if (block >= dev->n_sectors) { in ata_scsi_zbc_out_xlat()
3507 if (ata_ncq_enabled(qc->dev) && in ata_scsi_zbc_out_xlat()
3508 ata_fpdma_zac_mgmt_out_supported(qc->dev)) { in ata_scsi_zbc_out_xlat()
3509 tf->protocol = ATA_PROT_NCQ_NODATA; in ata_scsi_zbc_out_xlat()
3510 tf->command = ATA_CMD_NCQ_NON_DATA; in ata_scsi_zbc_out_xlat()
3511 tf->feature = ATA_SUBCMD_NCQ_NON_DATA_ZAC_MGMT_OUT; in ata_scsi_zbc_out_xlat()
3512 tf->nsect = qc->hw_tag << 3; in ata_scsi_zbc_out_xlat()
3513 tf->auxiliary = sa | ((u16)all << 8); in ata_scsi_zbc_out_xlat()
3515 tf->protocol = ATA_PROT_NODATA; in ata_scsi_zbc_out_xlat()
3516 tf->command = ATA_CMD_ZAC_MGMT_OUT; in ata_scsi_zbc_out_xlat()
3517 tf->feature = sa; in ata_scsi_zbc_out_xlat()
3518 tf->hob_feature = all; in ata_scsi_zbc_out_xlat()
3520 tf->lbah = (block >> 16) & 0xff; in ata_scsi_zbc_out_xlat()
3521 tf->lbam = (block >> 8) & 0xff; in ata_scsi_zbc_out_xlat()
3522 tf->lbal = block & 0xff; in ata_scsi_zbc_out_xlat()
3523 tf->hob_lbah = (block >> 40) & 0xff; in ata_scsi_zbc_out_xlat()
3524 tf->hob_lbam = (block >> 32) & 0xff; in ata_scsi_zbc_out_xlat()
3525 tf->hob_lbal = (block >> 24) & 0xff; in ata_scsi_zbc_out_xlat()
3526 tf->device = ATA_LBA; in ata_scsi_zbc_out_xlat()
3527 tf->flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE | ATA_TFLAG_LBA48; in ata_scsi_zbc_out_xlat()
3532 ata_scsi_set_invalid_field(qc->dev, scmd, fp, 0xff); in ata_scsi_zbc_out_xlat()
3536 ata_scsi_set_sense(qc->dev, scmd, ILLEGAL_REQUEST, 0x1a, 0x0); in ata_scsi_zbc_out_xlat()
3541 * ata_mselect_caching - Simulate MODE SELECT for caching info page
3555 struct ata_taskfile *tf = &qc->tf; in ata_mselect_caching()
3556 struct ata_device *dev = qc->dev; in ata_mselect_caching()
3566 if (len != CACHE_MPAGE_LEN - 2) { in ata_mselect_caching()
3567 *fp = min(len, CACHE_MPAGE_LEN - 2); in ata_mselect_caching()
3568 return -EINVAL; in ata_mselect_caching()
3574 * Check that read-only bits are not modified. in ata_mselect_caching()
3576 ata_msense_caching(dev->id, mpage, false); in ata_mselect_caching()
3577 for (i = 0; i < CACHE_MPAGE_LEN - 2; i++) { in ata_mselect_caching()
3582 return -EINVAL; in ata_mselect_caching()
3586 tf->flags |= ATA_TFLAG_DEVICE | ATA_TFLAG_ISADDR; in ata_mselect_caching()
3587 tf->protocol = ATA_PROT_NODATA; in ata_mselect_caching()
3588 tf->nsect = 0; in ata_mselect_caching()
3589 tf->command = ATA_CMD_SET_FEATURES; in ata_mselect_caching()
3590 tf->feature = wce ? SETFEATURES_WC_ON : SETFEATURES_WC_OFF; in ata_mselect_caching()
3595 * ata_mselect_control - Simulate MODE SELECT for control page
3609 struct ata_device *dev = qc->dev; in ata_mselect_control()
3619 if (len != CONTROL_MPAGE_LEN - 2) { in ata_mselect_control()
3620 *fp = min(len, CONTROL_MPAGE_LEN - 2); in ata_mselect_control()
3621 return -EINVAL; in ata_mselect_control()
3627 * Check that read-only bits are not modified. in ata_mselect_control()
3630 for (i = 0; i < CONTROL_MPAGE_LEN - 2; i++) { in ata_mselect_control()
3635 return -EINVAL; in ata_mselect_control()
3639 dev->flags |= ATA_DFLAG_D_SENSE; in ata_mselect_control()
3641 dev->flags &= ~ATA_DFLAG_D_SENSE; in ata_mselect_control()
3646 * ata_scsi_mode_select_xlat - Simulate MODE SELECT 6, 10 commands
3649 * Converts a MODE SELECT command to an ATA SET FEATURES taskfile.
3658 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_mode_select_xlat()
3659 const u8 *cdb = scmd->cmnd; in ata_scsi_mode_select_xlat()
3663 u16 fp = (u16)-1; in ata_scsi_mode_select_xlat()
3670 if (scmd->cmd_len < 5) { in ata_scsi_mode_select_xlat()
3678 if (scmd->cmd_len < 9) { in ata_scsi_mode_select_xlat()
3695 if (!scsi_sg_count(scmd) || scsi_sglist(scmd)->length < len) in ata_scsi_mode_select_xlat()
3711 len -= hdr_len; in ata_scsi_mode_select_xlat()
3721 len -= bd_len; in ata_scsi_mode_select_xlat()
3735 len -= 4; in ata_scsi_mode_select_xlat()
3743 len -= 2; in ata_scsi_mode_select_xlat()
3788 ata_scsi_set_invalid_field(qc->dev, scmd, fp, bp); in ata_scsi_mode_select_xlat()
3792 ata_scsi_set_invalid_parameter(qc->dev, scmd, fp); in ata_scsi_mode_select_xlat()
3797 ata_scsi_set_sense(qc->dev, scmd, ILLEGAL_REQUEST, 0x1a, 0x0); in ata_scsi_mode_select_xlat()
3801 scmd->result = SAM_STAT_GOOD; in ata_scsi_mode_select_xlat()
3817 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_security_inout_xlat()
3818 const u8 *cdb = scmd->cmnd; in ata_scsi_security_inout_xlat()
3819 struct ata_taskfile *tf = &qc->tf; in ata_scsi_security_inout_xlat()
3824 bool dma = !(qc->dev->flags & ATA_DFLAG_PIO); in ata_scsi_security_inout_xlat()
3830 ata_scsi_set_invalid_field(qc->dev, scmd, 1, 0); in ata_scsi_security_inout_xlat()
3836 ata_scsi_set_invalid_field(qc->dev, scmd, 6, 0); in ata_scsi_security_inout_xlat()
3841 ata_scsi_set_invalid_field(qc->dev, scmd, 6, 0); in ata_scsi_security_inout_xlat()
3845 /* convert to the sector-based ATA addressing */ in ata_scsi_security_inout_xlat()
3849 tf->protocol = dma ? ATA_PROT_DMA : ATA_PROT_PIO; in ata_scsi_security_inout_xlat()
3850 tf->flags |= ATA_TFLAG_DEVICE | ATA_TFLAG_ISADDR | ATA_TFLAG_LBA; in ata_scsi_security_inout_xlat()
3852 tf->flags |= ATA_TFLAG_WRITE; in ata_scsi_security_inout_xlat()
3853 tf->command = ata_scsi_trusted_op(len, send, dma); in ata_scsi_security_inout_xlat()
3854 tf->feature = secp; in ata_scsi_security_inout_xlat()
3855 tf->lbam = spsp & 0xff; in ata_scsi_security_inout_xlat()
3856 tf->lbah = spsp >> 8; in ata_scsi_security_inout_xlat()
3859 tf->nsect = len & 0xff; in ata_scsi_security_inout_xlat()
3860 tf->lbal = len >> 8; in ata_scsi_security_inout_xlat()
3863 tf->lbah = (1 << 7); in ata_scsi_security_inout_xlat()
3871 * ata_scsi_var_len_cdb_xlat - SATL variable length CDB to Handler
3878 * Zero on success, non-zero on failure
3883 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_var_len_cdb_xlat()
3884 const u8 *cdb = scmd->cmnd; in ata_scsi_var_len_cdb_xlat()
3888 * if service action represents a ata pass-thru(32) command, in ata_scsi_var_len_cdb_xlat()
3899 * ata_get_xlat_func - check if SCSI to ATA translation is possible
3954 if (!(dev->flags & ATA_DFLAG_TRUSTED)) in ata_get_xlat_func()
3967 struct ata_port *ap = dev->link->ap; in __ata_scsi_queuecmd()
3968 u8 scsi_op = scmd->cmnd[0]; in __ata_scsi_queuecmd()
3973 * However, this check is done without holding the ap->lock (a libata in __ata_scsi_queuecmd()
3975 * therefore we must check if EH is pending, while holding ap->lock. in __ata_scsi_queuecmd()
3977 if (ap->pflags & (ATA_PFLAG_EH_PENDING | ATA_PFLAG_EH_IN_PROGRESS)) in __ata_scsi_queuecmd()
3980 if (unlikely(!scmd->cmd_len)) in __ata_scsi_queuecmd()
3983 if (dev->class == ATA_DEV_ATA || dev->class == ATA_DEV_ZAC) { in __ata_scsi_queuecmd()
3984 if (unlikely(scmd->cmd_len > dev->cdb_len)) in __ata_scsi_queuecmd()
3992 if (unlikely(len > scmd->cmd_len || in __ata_scsi_queuecmd()
3993 len > dev->cdb_len || in __ata_scsi_queuecmd()
3994 scmd->cmd_len > ATAPI_CDB_LEN)) in __ata_scsi_queuecmd()
4000 if (unlikely(scmd->cmd_len > 16)) in __ata_scsi_queuecmd()
4014 scmd->result = DID_ERROR << 16; in __ata_scsi_queuecmd()
4020 * ata_scsi_queuecmd - Issue SCSI cdb to libata-managed device
4042 struct scsi_device *scsidev = cmd->device; in ata_scsi_queuecmd()
4048 spin_lock_irqsave(ap->lock, irq_flags); in ata_scsi_queuecmd()
4054 cmd->result = (DID_BAD_TARGET << 16); in ata_scsi_queuecmd()
4058 spin_unlock_irqrestore(ap->lock, irq_flags); in ata_scsi_queuecmd()
4065 * ata_scsi_simulate - simulate SCSI command on ATA device
4069 * Interprets and directly executes a select list of SCSI commands
4079 const u8 *scsicmd = cmd->cmnd; in ata_scsi_simulate()
4083 args.id = dev->id; in ata_scsi_simulate()
4115 if (dev->flags & ATA_DFLAG_ZAC) in ata_scsi_simulate()
4121 if (dev->cpr_log) in ata_scsi_simulate()
4157 * turning this into a no-op. in ata_scsi_simulate()
4163 /* no-op's, complete with success */ in ata_scsi_simulate()
4197 for (i = 0; i < host->n_ports; i++) { in ata_scsi_add_hosts()
4198 struct ata_port *ap = host->ports[i]; in ata_scsi_add_hosts()
4201 rc = -ENOMEM; in ata_scsi_add_hosts()
4206 shost->eh_noresume = 1; in ata_scsi_add_hosts()
4207 *(struct ata_port **)&shost->hostdata[0] = ap; in ata_scsi_add_hosts()
4208 ap->scsi_host = shost; in ata_scsi_add_hosts()
4210 shost->transportt = ata_scsi_transport_template; in ata_scsi_add_hosts()
4211 shost->unique_id = ap->print_id; in ata_scsi_add_hosts()
4212 shost->max_id = 16; in ata_scsi_add_hosts()
4213 shost->max_lun = 1; in ata_scsi_add_hosts()
4214 shost->max_channel = 1; in ata_scsi_add_hosts()
4215 shost->max_cmd_len = 32; in ata_scsi_add_hosts()
4217 /* Schedule policy is determined by ->qc_defer() in ata_scsi_add_hosts()
4222 shost->max_host_blocked = 1; in ata_scsi_add_hosts()
4224 rc = scsi_add_host_with_dma(shost, &ap->tdev, ap->host->dev); in ata_scsi_add_hosts()
4232 while (--i >= 0) { in ata_scsi_add_hosts()
4233 struct Scsi_Host *shost = host->ports[i]->scsi_host; in ata_scsi_add_hosts()
4244 struct scsi_device *sdev = dev->sdev; in ata_scsi_assign_ofnode()
4245 struct device *d = ap->host->dev; in ata_scsi_assign_ofnode()
4246 struct device_node *np = d->of_node; in ata_scsi_assign_ofnode()
4256 if (val == dev->devno) { in ata_scsi_assign_ofnode()
4258 sdev->sdev_gendev.of_node = child; in ata_scsi_assign_ofnode()
4282 if (dev->sdev) in ata_scsi_scan_host()
4286 id = dev->devno; in ata_scsi_scan_host()
4288 channel = link->pmp; in ata_scsi_scan_host()
4290 sdev = __scsi_add_device(ap->scsi_host, channel, id, 0, in ata_scsi_scan_host()
4293 dev->sdev = sdev; in ata_scsi_scan_host()
4297 dev->sdev = NULL; in ata_scsi_scan_host()
4308 if (!dev->sdev) in ata_scsi_scan_host()
4330 if (--tries) { in ata_scsi_scan_host()
4339 queue_delayed_work(system_long_wq, &ap->hotplug_task, in ata_scsi_scan_host()
4344 * ata_scsi_offline_dev - offline attached SCSI device
4349 * function is called with host lock which protects dev->sdev
4360 if (dev->sdev) { in ata_scsi_offline_dev()
4361 scsi_device_set_state(dev->sdev, SDEV_OFFLINE); in ata_scsi_offline_dev()
4368 * ata_scsi_remove_dev - remove attached SCSI device
4379 struct ata_port *ap = dev->link->ap; in ata_scsi_remove_dev()
4389 mutex_lock(&ap->scsi_host->scan_mutex); in ata_scsi_remove_dev()
4390 spin_lock_irqsave(ap->lock, flags); in ata_scsi_remove_dev()
4392 /* clearing dev->sdev is protected by host lock */ in ata_scsi_remove_dev()
4393 sdev = dev->sdev; in ata_scsi_remove_dev()
4394 dev->sdev = NULL; in ata_scsi_remove_dev()
4414 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_remove_dev()
4415 mutex_unlock(&ap->scsi_host->scan_mutex); in ata_scsi_remove_dev()
4419 dev_name(&sdev->sdev_gendev)); in ata_scsi_remove_dev()
4428 struct ata_port *ap = link->ap; in ata_scsi_handle_link_detach()
4434 if (!(dev->flags & ATA_DFLAG_DETACHED)) in ata_scsi_handle_link_detach()
4437 spin_lock_irqsave(ap->lock, flags); in ata_scsi_handle_link_detach()
4438 dev->flags &= ~ATA_DFLAG_DETACHED; in ata_scsi_handle_link_detach()
4439 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_handle_link_detach()
4449 * ata_scsi_media_change_notify - send media change event
4460 if (dev->sdev) in ata_scsi_media_change_notify()
4461 sdev_evt_send_simple(dev->sdev, SDEV_EVT_MEDIA_CHANGE, in ata_scsi_media_change_notify()
4466 * ata_scsi_hotplug - SCSI part of hotplug
4483 if (ap->pflags & ATA_PFLAG_UNLOADING) in ata_scsi_hotplug()
4486 mutex_lock(&ap->scsi_scan_mutex); in ata_scsi_hotplug()
4492 ata_scsi_handle_link_detach(&ap->link); in ata_scsi_hotplug()
4493 if (ap->pmp_link) in ata_scsi_hotplug()
4495 ata_scsi_handle_link_detach(&ap->pmp_link[i]); in ata_scsi_hotplug()
4500 mutex_unlock(&ap->scsi_scan_mutex); in ata_scsi_hotplug()
4504 * ata_scsi_user_scan - indication for user-initiated bus scan
4526 if (!ap->ops->error_handler) in ata_scsi_user_scan()
4527 return -EOPNOTSUPP; in ata_scsi_user_scan()
4530 return -EINVAL; in ata_scsi_user_scan()
4534 return -EINVAL; in ata_scsi_user_scan()
4538 return -EINVAL; in ata_scsi_user_scan()
4542 spin_lock_irqsave(ap->lock, flags); in ata_scsi_user_scan()
4548 struct ata_eh_info *ehi = &link->eh_info; in ata_scsi_user_scan()
4549 ehi->probe_mask |= ATA_ALL_DEVICES; in ata_scsi_user_scan()
4550 ehi->action |= ATA_EH_RESET; in ata_scsi_user_scan()
4556 struct ata_eh_info *ehi = &dev->link->eh_info; in ata_scsi_user_scan()
4557 ehi->probe_mask |= 1 << dev->devno; in ata_scsi_user_scan()
4558 ehi->action |= ATA_EH_RESET; in ata_scsi_user_scan()
4560 rc = -EINVAL; in ata_scsi_user_scan()
4565 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_user_scan()
4568 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_user_scan()
4574 * ata_scsi_dev_rescan - initiate scsi_rescan_device()
4591 mutex_lock(&ap->scsi_scan_mutex); in ata_scsi_dev_rescan()
4592 spin_lock_irqsave(ap->lock, flags); in ata_scsi_dev_rescan()
4596 struct scsi_device *sdev = dev->sdev; in ata_scsi_dev_rescan()
4603 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_dev_rescan()
4604 scsi_rescan_device(&(sdev->sdev_gendev)); in ata_scsi_dev_rescan()
4606 spin_lock_irqsave(ap->lock, flags); in ata_scsi_dev_rescan()
4610 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_dev_rescan()
4611 mutex_unlock(&ap->scsi_scan_mutex); in ata_scsi_dev_rescan()