Lines Matching +full:tf +full:- +full:a
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"
66 RW_RECOVERY_MPAGE_LEN - 2,
76 CACHE_MPAGE_LEN - 2,
85 CONTROL_MPAGE_LEN - 2,
87 0, /* [QAM+QERR may be 1, see 05-359r1] */
89 0, 30 /* extended self test time, see 05-359r1 */
103 ap = ata_shost_to_port(sdev->host); in ata_scsi_park_show()
105 spin_lock_irq(ap->lock); in ata_scsi_park_show()
108 rc = -ENODEV; in ata_scsi_park_show()
111 if (dev->flags & ATA_DFLAG_NO_UNLOAD) { in ata_scsi_park_show()
112 rc = -EOPNOTSUPP; in ata_scsi_park_show()
116 link = dev->link; in ata_scsi_park_show()
118 if (ap->pflags & ATA_PFLAG_EH_IN_PROGRESS && in ata_scsi_park_show()
119 link->eh_context.unloaded_mask & (1 << dev->devno) && in ata_scsi_park_show()
120 time_after(dev->unpark_deadline, now)) in ata_scsi_park_show()
121 msecs = jiffies_to_msecs(dev->unpark_deadline - now); in ata_scsi_park_show()
126 spin_unlock_irq(ap->lock); in ata_scsi_park_show()
145 if (input < -2) in ata_scsi_park_store()
146 return -EINVAL; in ata_scsi_park_store()
148 rc = -EOVERFLOW; in ata_scsi_park_store()
152 ap = ata_shost_to_port(sdev->host); in ata_scsi_park_store()
154 spin_lock_irqsave(ap->lock, flags); in ata_scsi_park_store()
157 rc = -ENODEV; in ata_scsi_park_store()
160 if (dev->class != ATA_DEV_ATA && in ata_scsi_park_store()
161 dev->class != ATA_DEV_ZAC) { in ata_scsi_park_store()
162 rc = -EOPNOTSUPP; in ata_scsi_park_store()
167 if (dev->flags & ATA_DFLAG_NO_UNLOAD) { in ata_scsi_park_store()
168 rc = -EOPNOTSUPP; in ata_scsi_park_store()
172 dev->unpark_deadline = ata_deadline(jiffies, input); in ata_scsi_park_store()
173 dev->link->eh_info.dev_action[dev->devno] |= ATA_EH_PARK; in ata_scsi_park_store()
175 complete(&ap->park_req_pending); in ata_scsi_park_store()
178 case -1: in ata_scsi_park_store()
179 dev->flags &= ~ATA_DFLAG_NO_UNLOAD; in ata_scsi_park_store()
181 case -2: in ata_scsi_park_store()
182 dev->flags |= ATA_DFLAG_NO_UNLOAD; in ata_scsi_park_store()
187 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_park_store()
214 bool d_sense = (dev->flags & ATA_DFLAG_D_SENSE); in ata_scsi_set_sense()
221 const struct ata_taskfile *tf) in ata_scsi_set_sense_information() argument
225 information = ata_tf_read_block(tf, dev); in ata_scsi_set_sense_information()
229 scsi_set_sense_information(cmd->sense_buffer, in ata_scsi_set_sense_information()
234 * ata_scsi_set_passthru_sense_fields - Set ATA fields in sense buffer
235 * @qc: ATA PASS-THROUGH command.
245 struct ata_device *dev = qc->dev; in ata_scsi_set_passthru_sense_fields()
246 struct scsi_cmnd *cmd = qc->scsicmd; in ata_scsi_set_passthru_sense_fields()
247 struct ata_taskfile *tf = &qc->result_tf; in ata_scsi_set_passthru_sense_fields() local
248 unsigned char *sb = cmd->sense_buffer; in ata_scsi_set_passthru_sense_fields()
250 if (!(qc->flags & ATA_QCFLAG_RTF_FILLED)) { in ata_scsi_set_passthru_sense_fields()
252 "missing result TF: can't set ATA PT sense fields\n"); in ata_scsi_set_passthru_sense_fields()
275 desc[3] = tf->error; in ata_scsi_set_passthru_sense_fields()
276 desc[5] = tf->nsect; in ata_scsi_set_passthru_sense_fields()
277 desc[7] = tf->lbal; in ata_scsi_set_passthru_sense_fields()
278 desc[9] = tf->lbam; in ata_scsi_set_passthru_sense_fields()
279 desc[11] = tf->lbah; in ata_scsi_set_passthru_sense_fields()
280 desc[12] = tf->device; in ata_scsi_set_passthru_sense_fields()
281 desc[13] = tf->status; in ata_scsi_set_passthru_sense_fields()
287 if (tf->flags & ATA_TFLAG_LBA48) { in ata_scsi_set_passthru_sense_fields()
289 desc[4] = tf->hob_nsect; in ata_scsi_set_passthru_sense_fields()
290 desc[6] = tf->hob_lbal; in ata_scsi_set_passthru_sense_fields()
291 desc[8] = tf->hob_lbam; in ata_scsi_set_passthru_sense_fields()
292 desc[10] = tf->hob_lbah; in ata_scsi_set_passthru_sense_fields()
297 sb[3] = tf->error; in ata_scsi_set_passthru_sense_fields()
298 sb[4] = tf->status; in ata_scsi_set_passthru_sense_fields()
299 sb[5] = tf->device; in ata_scsi_set_passthru_sense_fields()
300 sb[6] = tf->nsect; in ata_scsi_set_passthru_sense_fields()
301 if (tf->flags & ATA_TFLAG_LBA48) { in ata_scsi_set_passthru_sense_fields()
303 if (tf->hob_nsect) in ata_scsi_set_passthru_sense_fields()
305 if (tf->hob_lbal || tf->hob_lbam || tf->hob_lbah) in ata_scsi_set_passthru_sense_fields()
308 sb[9] = tf->lbal; in ata_scsi_set_passthru_sense_fields()
309 sb[10] = tf->lbam; in ata_scsi_set_passthru_sense_fields()
310 sb[11] = tf->lbah; in ata_scsi_set_passthru_sense_fields()
319 scsi_set_sense_field_pointer(cmd->sense_buffer, SCSI_SENSE_BUFFERSIZE, in ata_scsi_set_invalid_field()
328 scsi_set_sense_field_pointer(cmd->sense_buffer, SCSI_SENSE_BUFFERSIZE, in ata_scsi_set_invalid_parameter()
348 * ata_std_bios_param - generic bios head/sector/cylinder calculator used by sd.
355 * used by sd. Most BIOSes nowadays expect a XXX/255/16 (CHS)
378 * ata_scsi_unlock_native_capacity - unlock native capacity
381 * This function is called if a partition on @sdev extends beyond
389 struct ata_port *ap = ata_shost_to_port(sdev->host); in ata_scsi_unlock_native_capacity()
393 spin_lock_irqsave(ap->lock, flags); in ata_scsi_unlock_native_capacity()
396 if (dev && dev->n_sectors < dev->n_native_sectors) { in ata_scsi_unlock_native_capacity()
397 dev->flags |= ATA_DFLAG_UNLOCK_HPA; in ata_scsi_unlock_native_capacity()
398 dev->link->eh_info.action |= ATA_EH_RESET; in ata_scsi_unlock_native_capacity()
402 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_unlock_native_capacity()
408 * ata_get_identity - Handler for HDIO_GET_IDENTITY ioctl
427 return -ENOMSG; in ata_get_identity()
429 if (copy_to_user(dst, dev->id, ATA_ID_WORDS * sizeof(u16))) in ata_get_identity()
430 return -EFAULT; in ata_get_identity()
432 ata_id_string(dev->id, buf, ATA_ID_PROD, ATA_ID_PROD_LEN); in ata_get_identity()
434 return -EFAULT; in ata_get_identity()
436 ata_id_string(dev->id, buf, ATA_ID_FW_REV, ATA_ID_FW_REV_LEN); in ata_get_identity()
438 return -EFAULT; in ata_get_identity()
440 ata_id_string(dev->id, buf, ATA_ID_SERNO, ATA_ID_SERNO_LEN); in ata_get_identity()
442 return -EFAULT; in ata_get_identity()
448 * ata_cmd_ioctl - Handler for HDIO_DRIVE_CMD ioctl
474 return -EINVAL; in ata_cmd_ioctl()
477 return -EFAULT; in ata_cmd_ioctl()
486 rc = -ENOMEM; in ata_cmd_ioctl()
490 scsi_cmd[1] = (4 << 1); /* PIO Data-in */ in ata_cmd_ioctl()
494 scsi_cmd[1] = (3 << 1); /* Non-data */ in ata_cmd_ioctl()
501 if (args[0] == ATA_CMD_SMART) { /* hack -- ide driver does this too */ in ata_cmd_ioctl()
522 /* If we set cc then ATA pass-through will cause a in ata_cmd_ioctl()
530 /* Send userspace a few ATA registers (same as drivers/ide) */ in ata_cmd_ioctl()
537 rc = -EFAULT; in ata_cmd_ioctl()
543 rc = -EIO; in ata_cmd_ioctl()
549 rc = -EFAULT; in ata_cmd_ioctl()
556 * ata_task_ioctl - Handler for HDIO_DRIVE_TASK ioctl
581 return -EINVAL; in ata_task_ioctl()
584 return -EFAULT; in ata_task_ioctl()
589 scsi_cmd[1] = (3 << 1); /* Non-data */ in ata_task_ioctl()
610 /* If we set cc then ATA pass-through will cause a in ata_task_ioctl()
629 rc = -EFAULT; in ata_task_ioctl()
634 rc = -EIO; in ata_task_ioctl()
644 if (ap->flags & ATA_FLAG_PIO_DMA) in ata_ioc32()
646 if (ap->pflags & ATA_PFLAG_PIO32) in ata_ioc32()
653 * here must have a compatible argument, or check in_compat_syscall()
659 int rc = -EINVAL; in ata_sas_scsi_ioctl()
664 spin_lock_irqsave(ap->lock, flags); in ata_sas_scsi_ioctl()
666 spin_unlock_irqrestore(ap->lock, flags); in ata_sas_scsi_ioctl()
676 spin_lock_irqsave(ap->lock, flags); in ata_sas_scsi_ioctl()
677 if (ap->pflags & ATA_PFLAG_PIO32CHANGE) { in ata_sas_scsi_ioctl()
679 ap->pflags |= ATA_PFLAG_PIO32; in ata_sas_scsi_ioctl()
681 ap->pflags &= ~ATA_PFLAG_PIO32; in ata_sas_scsi_ioctl()
684 rc = -EINVAL; in ata_sas_scsi_ioctl()
686 spin_unlock_irqrestore(ap->lock, flags); in ata_sas_scsi_ioctl()
694 return -EACCES; in ata_sas_scsi_ioctl()
699 return -EACCES; in ata_sas_scsi_ioctl()
703 rc = -ENOTTY; in ata_sas_scsi_ioctl()
714 return ata_sas_scsi_ioctl(ata_shost_to_port(scsidev->host), in ata_scsi_ioctl()
720 * ata_scsi_qc_new - acquire new ata_queued_cmd reference
724 * Obtain a reference to an unused ata_queued_cmd structure,
725 * which is the basic libata structure representing a single
728 * If a command was available, fill in the SCSI-specific
741 struct ata_port *ap = dev->link->ap; in ata_scsi_qc_new()
748 if (ap->flags & ATA_FLAG_SAS_HOST) { in ata_scsi_qc_new()
751 * unique per-device budget token as a tag. in ata_scsi_qc_new()
753 if (WARN_ON_ONCE(cmd->budget_token >= ATA_MAX_QUEUE)) in ata_scsi_qc_new()
755 tag = cmd->budget_token; in ata_scsi_qc_new()
757 tag = scsi_cmd_to_rq(cmd)->tag; in ata_scsi_qc_new()
761 qc->tag = qc->hw_tag = tag; in ata_scsi_qc_new()
762 qc->ap = ap; in ata_scsi_qc_new()
763 qc->dev = dev; in ata_scsi_qc_new()
767 qc->scsicmd = cmd; in ata_scsi_qc_new()
768 qc->scsidone = scsi_done; in ata_scsi_qc_new()
770 qc->sg = scsi_sglist(cmd); in ata_scsi_qc_new()
771 qc->n_elem = scsi_sg_count(cmd); in ata_scsi_qc_new()
773 if (scsi_cmd_to_rq(cmd)->rq_flags & RQF_QUIET) in ata_scsi_qc_new()
774 qc->flags |= ATA_QCFLAG_QUIET; in ata_scsi_qc_new()
787 struct scsi_cmnd *scmd = qc->scsicmd; in ata_qc_set_pc_nbytes()
789 qc->extrabytes = scmd->extra_len; in ata_qc_set_pc_nbytes()
790 qc->nbytes = scsi_bufflen(scmd) + qc->extrabytes; in ata_qc_set_pc_nbytes()
794 * ata_to_sense_error - convert ATA error to SCSI error
802 * Converts an ATA error into a SCSI error. Fill out pointers to
837 /* TRK0 - Track 0 not found */ in ata_to_sense_error()
844 /* SRV/IDNF - ID not found */ in ata_to_sense_error()
847 /* MC - Media Changed */ in ata_to_sense_error()
850 /* ECC - Uncorrectable ECC error */ in ata_to_sense_error()
853 /* BBD - block marked bad */ in ata_to_sense_error()
909 * We need a sensible error return here, which is tricky, and one in ata_to_sense_error()
910 * that won't cause people to do things like return a disk wrongly. in ata_to_sense_error()
918 * ata_gen_passthru_sense - Generate check condition sense block.
922 * Regardless of whether the command errored or not, return a sense
926 * asc,ascq = ATA PASS-THROUGH INFORMATION AVAILABLE
934 struct ata_device *dev = qc->dev; in ata_gen_passthru_sense()
935 struct scsi_cmnd *cmd = qc->scsicmd; in ata_gen_passthru_sense()
936 struct ata_taskfile *tf = &qc->result_tf; in ata_gen_passthru_sense() local
939 if (!(qc->flags & ATA_QCFLAG_RTF_FILLED)) { in ata_gen_passthru_sense()
941 "missing result TF: can't generate ATA PT sense data\n"); in ata_gen_passthru_sense()
949 if (qc->err_mask || in ata_gen_passthru_sense()
950 tf->status & (ATA_BUSY | ATA_DF | ATA_ERR | ATA_DRQ)) { in ata_gen_passthru_sense()
951 ata_to_sense_error(qc->ap->print_id, tf->status, tf->error, in ata_gen_passthru_sense()
953 ata_scsi_set_sense(qc->dev, cmd, sense_key, asc, ascq); in ata_gen_passthru_sense()
956 * ATA PASS-THROUGH INFORMATION AVAILABLE in ata_gen_passthru_sense()
972 * ata_gen_ata_sense - generate a SCSI fixed sense block
975 * Generate sense block for a failed ATA command @qc. Descriptor
983 struct ata_device *dev = qc->dev; in ata_gen_ata_sense()
984 struct scsi_cmnd *cmd = qc->scsicmd; in ata_gen_ata_sense()
985 struct ata_taskfile *tf = &qc->result_tf; in ata_gen_ata_sense() local
986 unsigned char *sb = cmd->sense_buffer; in ata_gen_ata_sense()
997 if (!(qc->flags & ATA_QCFLAG_RTF_FILLED)) { in ata_gen_ata_sense()
999 "missing result TF: can't generate sense data\n"); in ata_gen_ata_sense()
1006 if (qc->err_mask || in ata_gen_ata_sense()
1007 tf->status & (ATA_BUSY | ATA_DF | ATA_ERR | ATA_DRQ)) { in ata_gen_ata_sense()
1008 ata_to_sense_error(qc->ap->print_id, tf->status, tf->error, in ata_gen_ata_sense()
1014 tf->status, qc->err_mask); in ata_gen_ata_sense()
1019 block = ata_tf_read_block(&qc->result_tf, dev); in ata_gen_ata_sense()
1028 sdev->use_10_for_rw = 1; in ata_scsi_sdev_config()
1029 sdev->use_10_for_ms = 1; in ata_scsi_sdev_config()
1030 sdev->no_write_same = 1; in ata_scsi_sdev_config()
1032 /* Schedule policy is determined by ->qc_defer() callback and in ata_scsi_sdev_config()
1037 sdev->max_device_blocked = 1; in ata_scsi_sdev_config()
1041 * ata_scsi_dma_need_drain - Check whether data transfer may overflow
1059 return atapi_cmd_type(scmd->cmnd[0]) == ATAPI_MISC; in ata_scsi_dma_need_drain()
1065 struct request_queue *q = sdev->request_queue; in ata_scsi_dev_config()
1068 if (!ata_id_has_unload(dev->id)) in ata_scsi_dev_config()
1069 dev->flags |= ATA_DFLAG_NO_UNLOAD; in ata_scsi_dev_config()
1072 dev->max_sectors = min(dev->max_sectors, sdev->host->max_sectors); in ata_scsi_dev_config()
1073 blk_queue_max_hw_sectors(q, dev->max_sectors); in ata_scsi_dev_config()
1075 if (dev->class == ATA_DEV_ATAPI) { in ata_scsi_dev_config()
1076 sdev->sector_size = ATA_SECT_SIZE; in ata_scsi_dev_config()
1079 blk_queue_update_dma_pad(q, ATA_DMA_PAD_SZ - 1); in ata_scsi_dev_config()
1082 blk_queue_max_segments(q, queue_max_segments(q) - 1); in ata_scsi_dev_config()
1084 sdev->dma_drain_len = ATAPI_MAX_DRAIN; in ata_scsi_dev_config()
1085 sdev->dma_drain_buf = kmalloc(sdev->dma_drain_len, GFP_NOIO); in ata_scsi_dev_config()
1086 if (!sdev->dma_drain_buf) { in ata_scsi_dev_config()
1088 return -ENOMEM; in ata_scsi_dev_config()
1091 sdev->sector_size = ata_id_logical_sector_size(dev->id); in ata_scsi_dev_config()
1102 sdev->manage_runtime_start_stop = 1; in ata_scsi_dev_config()
1103 sdev->manage_shutdown = 1; in ata_scsi_dev_config()
1104 sdev->force_runtime_start_on_system_start = 1; in ata_scsi_dev_config()
1114 if (sdev->sector_size > PAGE_SIZE) in ata_scsi_dev_config()
1117 sdev->sector_size); in ata_scsi_dev_config()
1119 blk_queue_update_dma_alignment(q, sdev->sector_size - 1); in ata_scsi_dev_config()
1121 if (dev->flags & ATA_DFLAG_AN) in ata_scsi_dev_config()
1122 set_bit(SDEV_EVT_MEDIA_CHANGE, sdev->supported_events); in ata_scsi_dev_config()
1125 depth = min(sdev->host->can_queue, ata_id_queue_depth(dev->id)); in ata_scsi_dev_config()
1129 if (dev->flags & ATA_DFLAG_TRUSTED) in ata_scsi_dev_config()
1130 sdev->security_supported = 1; in ata_scsi_dev_config()
1132 dev->sdev = sdev; in ata_scsi_dev_config()
1137 * ata_scsi_slave_alloc - Early setup of SCSI device
1141 * associated with an ATA device is scanned on a port.
1149 struct ata_port *ap = ata_shost_to_port(sdev->host); in ata_scsi_slave_alloc()
1155 * Create a link from the ata_port device to the scsi device to ensure in ata_scsi_slave_alloc()
1159 link = device_link_add(&sdev->sdev_gendev, &ap->tdev, in ata_scsi_slave_alloc()
1164 dev_name(&sdev->sdev_gendev)); in ata_scsi_slave_alloc()
1165 return -ENODEV; in ata_scsi_slave_alloc()
1173 * ata_scsi_slave_config - Set SCSI device attributes
1178 * SCSI mid-layer behaviors.
1186 struct ata_port *ap = ata_shost_to_port(sdev->host); in ata_scsi_slave_config()
1197 * ata_scsi_slave_destroy - SCSI device is about to be destroyed
1202 * dev->sdev, this function doesn't have to do anything.
1203 * Otherwise, SCSI layer initiated warm-unplug is in progress.
1204 * Clear dev->sdev, schedule the device for ATA detach and invoke
1212 struct ata_port *ap = ata_shost_to_port(sdev->host); in ata_scsi_slave_destroy()
1216 device_link_remove(&sdev->sdev_gendev, &ap->tdev); in ata_scsi_slave_destroy()
1218 spin_lock_irqsave(ap->lock, flags); in ata_scsi_slave_destroy()
1220 if (dev && dev->sdev) { in ata_scsi_slave_destroy()
1222 dev->sdev = NULL; in ata_scsi_slave_destroy()
1223 dev->flags |= ATA_DFLAG_DETACH; in ata_scsi_slave_destroy()
1226 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_slave_destroy()
1228 kfree(sdev->dma_drain_buf); in ata_scsi_slave_destroy()
1233 * ata_scsi_start_stop_xlat - Translate SCSI START STOP UNIT command
1245 * Zero on success, non-zero on error.
1249 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_start_stop_xlat()
1250 struct ata_taskfile *tf = &qc->tf; in ata_scsi_start_stop_xlat() local
1251 const u8 *cdb = scmd->cmnd; in ata_scsi_start_stop_xlat()
1255 if (scmd->cmd_len < 5) { in ata_scsi_start_stop_xlat()
1260 tf->flags |= ATA_TFLAG_DEVICE | ATA_TFLAG_ISADDR; in ata_scsi_start_stop_xlat()
1261 tf->protocol = ATA_PROT_NODATA; in ata_scsi_start_stop_xlat()
1263 ; /* ignore IMMED bit, violates sat-r05 */ in ata_scsi_start_stop_xlat()
1277 tf->nsect = 1; /* 1 sector, lba=0 */ in ata_scsi_start_stop_xlat()
1279 if (qc->dev->flags & ATA_DFLAG_LBA) { in ata_scsi_start_stop_xlat()
1280 tf->flags |= ATA_TFLAG_LBA; in ata_scsi_start_stop_xlat()
1282 tf->lbah = 0x0; in ata_scsi_start_stop_xlat()
1283 tf->lbam = 0x0; in ata_scsi_start_stop_xlat()
1284 tf->lbal = 0x0; in ata_scsi_start_stop_xlat()
1285 tf->device |= ATA_LBA; in ata_scsi_start_stop_xlat()
1288 tf->lbal = 0x1; /* sect */ in ata_scsi_start_stop_xlat()
1289 tf->lbam = 0x0; /* cyl low */ in ata_scsi_start_stop_xlat()
1290 tf->lbah = 0x0; /* cyl high */ in ata_scsi_start_stop_xlat()
1293 tf->command = ATA_CMD_VERIFY; /* READ VERIFY */ in ata_scsi_start_stop_xlat()
1298 if ((qc->ap->flags & ATA_FLAG_NO_POWEROFF_SPINDOWN) && in ata_scsi_start_stop_xlat()
1302 if ((qc->ap->flags & ATA_FLAG_NO_HIBERNATE_SPINDOWN) && in ata_scsi_start_stop_xlat()
1307 tf->command = ATA_CMD_STANDBYNOW1; in ata_scsi_start_stop_xlat()
1320 ata_scsi_set_invalid_field(qc->dev, scmd, fp, bp); in ata_scsi_start_stop_xlat()
1323 scmd->result = SAM_STAT_GOOD; in ata_scsi_start_stop_xlat()
1329 * ata_scsi_flush_xlat - Translate SCSI SYNCHRONIZE CACHE command
1339 * Zero on success, non-zero on error.
1343 struct ata_taskfile *tf = &qc->tf; in ata_scsi_flush_xlat() local
1345 tf->flags |= ATA_TFLAG_DEVICE; in ata_scsi_flush_xlat()
1346 tf->protocol = ATA_PROT_NODATA; in ata_scsi_flush_xlat()
1348 if (qc->dev->flags & ATA_DFLAG_FLUSH_EXT) in ata_scsi_flush_xlat()
1349 tf->command = ATA_CMD_FLUSH_EXT; in ata_scsi_flush_xlat()
1351 tf->command = ATA_CMD_FLUSH; in ata_scsi_flush_xlat()
1354 qc->flags |= ATA_QCFLAG_IO; in ata_scsi_flush_xlat()
1360 * scsi_6_lba_len - Get LBA and transfer length
1363 * Calculate LBA and transfer length for 6-byte commands.
1385 * scsi_10_lba_len - Get LBA and transfer length
1388 * Calculate LBA and transfer length for 10-byte commands.
1401 * scsi_16_lba_len - Get LBA and transfer length
1404 * Calculate LBA and transfer length for 16-byte commands.
1417 * scsi_dld - Get duration limit descriptor index
1420 * Returns the dld bits indicating the index of a command duration limit
1429 * ata_scsi_verify_xlat - Translate SCSI VERIFY command into an ATA one
1438 * Zero on success, non-zero on error.
1442 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_verify_xlat()
1443 struct ata_taskfile *tf = &qc->tf; in ata_scsi_verify_xlat() local
1444 struct ata_device *dev = qc->dev; in ata_scsi_verify_xlat()
1445 u64 dev_sectors = qc->dev->n_sectors; in ata_scsi_verify_xlat()
1446 const u8 *cdb = scmd->cmnd; in ata_scsi_verify_xlat()
1451 tf->flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE; in ata_scsi_verify_xlat()
1452 tf->protocol = ATA_PROT_NODATA; in ata_scsi_verify_xlat()
1456 if (scmd->cmd_len < 10) { in ata_scsi_verify_xlat()
1463 if (scmd->cmd_len < 16) { in ata_scsi_verify_xlat()
1481 if (dev->flags & ATA_DFLAG_LBA) { in ata_scsi_verify_xlat()
1482 tf->flags |= ATA_TFLAG_LBA; in ata_scsi_verify_xlat()
1486 tf->command = ATA_CMD_VERIFY; in ata_scsi_verify_xlat()
1487 tf->device |= (block >> 24) & 0xf; in ata_scsi_verify_xlat()
1489 if (!(dev->flags & ATA_DFLAG_LBA48)) in ata_scsi_verify_xlat()
1493 tf->flags |= ATA_TFLAG_LBA48; in ata_scsi_verify_xlat()
1494 tf->command = ATA_CMD_VERIFY_EXT; in ata_scsi_verify_xlat()
1496 tf->hob_nsect = (n_block >> 8) & 0xff; in ata_scsi_verify_xlat()
1498 tf->hob_lbah = (block >> 40) & 0xff; in ata_scsi_verify_xlat()
1499 tf->hob_lbam = (block >> 32) & 0xff; in ata_scsi_verify_xlat()
1500 tf->hob_lbal = (block >> 24) & 0xff; in ata_scsi_verify_xlat()
1505 tf->nsect = n_block & 0xff; in ata_scsi_verify_xlat()
1507 tf->lbah = (block >> 16) & 0xff; in ata_scsi_verify_xlat()
1508 tf->lbam = (block >> 8) & 0xff; in ata_scsi_verify_xlat()
1509 tf->lbal = block & 0xff; in ata_scsi_verify_xlat()
1511 tf->device |= ATA_LBA; in ata_scsi_verify_xlat()
1520 track = (u32)block / dev->sectors; in ata_scsi_verify_xlat()
1521 cyl = track / dev->heads; in ata_scsi_verify_xlat()
1522 head = track % dev->heads; in ata_scsi_verify_xlat()
1523 sect = (u32)block % dev->sectors + 1; in ata_scsi_verify_xlat()
1526 Cylinder: 0-65535 in ata_scsi_verify_xlat()
1527 Head: 0-15 in ata_scsi_verify_xlat()
1528 Sector: 1-255*/ in ata_scsi_verify_xlat()
1532 tf->command = ATA_CMD_VERIFY; in ata_scsi_verify_xlat()
1533 tf->nsect = n_block & 0xff; /* Sector count 0 means 256 sectors */ in ata_scsi_verify_xlat()
1534 tf->lbal = sect; in ata_scsi_verify_xlat()
1535 tf->lbam = cyl; in ata_scsi_verify_xlat()
1536 tf->lbah = cyl >> 8; in ata_scsi_verify_xlat()
1537 tf->device |= head; in ata_scsi_verify_xlat()
1543 ata_scsi_set_invalid_field(qc->dev, scmd, fp, 0xff); in ata_scsi_verify_xlat()
1547 ata_scsi_set_sense(qc->dev, scmd, ILLEGAL_REQUEST, 0x21, 0x0); in ata_scsi_verify_xlat()
1552 scmd->result = SAM_STAT_GOOD; in ata_scsi_verify_xlat()
1564 req_blocks = blk_rq_bytes(rq) / scmd->device->sector_size; in ata_check_nblocks()
1572 * ata_scsi_rw_xlat - Translate SCSI r/w command into an ATA one
1587 * Zero on success, non-zero on error.
1591 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_rw_xlat()
1592 const u8 *cdb = scmd->cmnd; in ata_scsi_rw_xlat()
1614 if (unlikely(scmd->cmd_len < 10)) { in ata_scsi_rw_xlat()
1626 if (unlikely(scmd->cmd_len < 6)) { in ata_scsi_rw_xlat()
1632 /* for 6-byte r/w commands, transfer length 0 in ata_scsi_rw_xlat()
1642 if (unlikely(scmd->cmd_len < 16)) { in ata_scsi_rw_xlat()
1660 /* For 10-byte and 16-byte SCSI R/W commands, transfer in ata_scsi_rw_xlat()
1669 qc->flags |= ATA_QCFLAG_IO; in ata_scsi_rw_xlat()
1670 qc->nbytes = n_block * scmd->device->sector_size; in ata_scsi_rw_xlat()
1676 if (rc == -ERANGE) in ata_scsi_rw_xlat()
1678 /* treat all other errors as -EINVAL, fall through */ in ata_scsi_rw_xlat()
1680 ata_scsi_set_invalid_field(qc->dev, scmd, fp, 0xff); in ata_scsi_rw_xlat()
1684 ata_scsi_set_sense(qc->dev, scmd, ILLEGAL_REQUEST, 0x21, 0x0); in ata_scsi_rw_xlat()
1689 scmd->result = SAM_STAT_GOOD; in ata_scsi_rw_xlat()
1695 struct scsi_cmnd *cmd = qc->scsicmd; in ata_qc_done()
1696 void (*done)(struct scsi_cmnd *) = qc->scsidone; in ata_qc_done()
1704 struct scsi_cmnd *cmd = qc->scsicmd; in ata_scsi_qc_complete()
1705 u8 *cdb = cmd->cmnd; in ata_scsi_qc_complete()
1706 bool have_sense = qc->flags & ATA_QCFLAG_SENSE_VALID; in ata_scsi_qc_complete()
1709 bool is_error = qc->err_mask != 0; in ata_scsi_qc_complete()
1711 /* For ATA pass thru (SAT) commands, generate a sense block if in ata_scsi_qc_complete()
1713 * generate because the user forced us to [CK_COND=1], a check in ata_scsi_qc_complete()
1718 * asc,ascq = ATA PASS-THROUGH INFORMATION AVAILABLE in ata_scsi_qc_complete()
1725 set_status_byte(qc->scsicmd, SAM_STAT_CHECK_CONDITION); in ata_scsi_qc_complete()
1734 * ata_scsi_translate - Translate then issue SCSI command to ATA device
1739 * Our ->queuecommand() function has decided that the SCSI
1748 * then cmd->result (and possibly cmd->sense_buffer) are assumed
1762 struct ata_port *ap = dev->link->ap; in ata_scsi_translate()
1770 /* data is present; dma-map it */ in ata_scsi_translate()
1771 if (cmd->sc_data_direction == DMA_FROM_DEVICE || in ata_scsi_translate()
1772 cmd->sc_data_direction == DMA_TO_DEVICE) { in ata_scsi_translate()
1780 qc->dma_dir = cmd->sc_data_direction; in ata_scsi_translate()
1783 qc->complete_fn = ata_scsi_qc_complete; in ata_scsi_translate()
1788 if (ap->ops->qc_defer) { in ata_scsi_translate()
1789 if ((rc = ap->ops->qc_defer(qc))) in ata_scsi_translate()
1805 cmd->result = (DID_ERROR << 16); in ata_scsi_translate()
1825 * ata_scsi_rbuf_fill - wrapper for SCSI command simulators
1829 * Takes care of the hard work of simulating a SCSI command...
1833 * completed successfully (0), or not (in which case cmd->result
1843 struct scsi_cmnd *cmd = args->cmd; in ata_scsi_rbuf_fill()
1857 cmd->result = SAM_STAT_GOOD; in ata_scsi_rbuf_fill()
1861 * ata_scsiop_inq_std - Simulate INQUIRY command
1866 * with non-VPD INQUIRY command output.
1875 0x60, /* SAM-3 (no version claimed) */ in ata_scsiop_inq_std()
1878 0x20, /* SBC-2 (no version claimed) */ in ata_scsiop_inq_std()
1881 0x00 /* SPC-3 (no version claimed) */ in ata_scsiop_inq_std()
1885 0xA0, /* SAM-5 (no version claimed) */ in ata_scsiop_inq_std()
1888 0x00, /* SBC-4 (no version claimed) */ in ata_scsiop_inq_std()
1891 0xC0, /* SPC-5 (no version claimed) */ in ata_scsiop_inq_std()
1900 0x5, /* claim SPC-3 version compatibility */ in ata_scsiop_inq_std()
1902 95 - 4, in ata_scsiop_inq_std()
1909 * AHCI port says it's external (Hotplug-capable, eSATA). in ata_scsiop_inq_std()
1911 if (ata_id_removable(args->id) || in ata_scsiop_inq_std()
1912 (args->dev->link->ap->pflags & ATA_PFLAG_EXTERNAL)) in ata_scsiop_inq_std()
1915 if (args->dev->class == ATA_DEV_ZAC) { in ata_scsiop_inq_std()
1917 hdr[2] = 0x7; /* claim SPC-5 version compatibility */ in ata_scsiop_inq_std()
1920 if (args->dev->flags & ATA_DFLAG_CDL) in ata_scsiop_inq_std()
1921 hdr[2] = 0xd; /* claim SPC-6 version compatibility */ in ata_scsiop_inq_std()
1925 ata_id_string(args->id, &rbuf[16], ATA_ID_PROD, 16); in ata_scsiop_inq_std()
1928 ata_id_string(args->id, &rbuf[32], ATA_ID_FW_REV + 2, 4); in ata_scsiop_inq_std()
1930 ata_id_string(args->id, &rbuf[32], ATA_ID_FW_REV, 4); in ata_scsiop_inq_std()
1933 memcpy(&rbuf[32], "n/a ", 4); in ata_scsiop_inq_std()
1935 if (ata_id_zoned_cap(args->id) || args->dev->class == ATA_DEV_ZAC) in ata_scsiop_inq_std()
1944 * ata_scsiop_inq_00 - Simulate INQUIRY VPD page 0, list of pages
1970 !(args->dev->flags & ATA_DFLAG_ZAC)) in ata_scsiop_inq_00()
1980 * ata_scsiop_inq_80 - Simulate INQUIRY VPD page 80, device serial number
1999 ata_id_string(args->id, (unsigned char *) &rbuf[4], in ata_scsiop_inq_80()
2005 * ata_scsiop_inq_83 - Simulate INQUIRY VPD page 83, device identity
2010 * - vendor specific ASCII containing the ATA serial number
2011 * - SAT defined "t10 vendor id based" containing ASCII vendor
2029 ata_id_string(args->id, (unsigned char *) rbuf + num, in ata_scsiop_inq_83()
2041 ata_id_string(args->id, (unsigned char *) rbuf + num, ATA_ID_PROD, in ata_scsiop_inq_83()
2044 ata_id_string(args->id, (unsigned char *) rbuf + num, ATA_ID_SERNO, in ata_scsiop_inq_83()
2048 if (ata_id_has_wwn(args->id)) { in ata_scsiop_inq_83()
2055 ata_id_string(args->id, (unsigned char *) rbuf + num, in ata_scsiop_inq_83()
2059 rbuf[3] = num - 4; /* page len (assume less than 256 bytes) */ in ata_scsiop_inq_83()
2064 * ata_scsiop_inq_89 - Simulate INQUIRY VPD page 89, ATA info
2068 * Yields SAT-specified ATA VPD page.
2094 memcpy(&rbuf[60], &args->id[0], 512); in ata_scsiop_inq_89()
2100 struct ata_device *dev = args->dev; in ata_scsiop_inq_b0()
2109 * This is always one physical block, but for disks with a smaller in ata_scsiop_inq_b0()
2113 min_io_sectors = 1 << ata_id_log2_per_physical_sector(args->id); in ata_scsiop_inq_b0()
2119 * The ATA spec doesn't even know about a granularity or alignment in ata_scsiop_inq_b0()
2121 * VPD page entries, but we have specifify a granularity to signal in ata_scsiop_inq_b0()
2122 * that we support some form of unmap - in thise case via WRITE SAME in ata_scsiop_inq_b0()
2125 if (ata_id_has_trim(args->id)) { in ata_scsiop_inq_b0()
2128 if (dev->horkage & ATA_HORKAGE_MAX_TRIM_128M) in ata_scsiop_inq_b0()
2129 max_blocks = 128 << (20 - SECTOR_SHIFT); in ata_scsiop_inq_b0()
2140 int form_factor = ata_id_form_factor(args->id); in ata_scsiop_inq_b1()
2141 int media_rotation_rate = ata_id_rotation_rate(args->id); in ata_scsiop_inq_b1()
2142 u8 zoned = ata_id_zoned_cap(args->id); in ata_scsiop_inq_b1()
2157 /* SCSI Thin Provisioning VPD page: SBC-3 rev 22 or later */ in ata_scsiop_inq_b2()
2168 * zbc-r05 SCSI Zoned Block device characteristics VPD page in ata_scsiop_inq_b6()
2174 * URSWRZ bit is only meaningful for host-managed ZAC drives in ata_scsiop_inq_b6()
2176 if (args->dev->zac_zoned_cap & 1) in ata_scsiop_inq_b6()
2178 put_unaligned_be32(args->dev->zac_zones_optimal_open, &rbuf[8]); in ata_scsiop_inq_b6()
2179 put_unaligned_be32(args->dev->zac_zones_optimal_nonseq, &rbuf[12]); in ata_scsiop_inq_b6()
2180 put_unaligned_be32(args->dev->zac_zones_max_open, &rbuf[16]); in ata_scsiop_inq_b6()
2187 struct ata_cpr_log *cpr_log = args->dev->cpr_log; in ata_scsiop_inq_b9()
2191 /* SCSI Concurrent Positioning Ranges VPD page: SBC-5 rev 1 or later */ in ata_scsiop_inq_b9()
2193 put_unaligned_be16(64 + (int)cpr_log->nr_cpr * 32 - 4, &rbuf[2]); in ata_scsiop_inq_b9()
2195 for (i = 0; i < cpr_log->nr_cpr; i++, desc += 32) { in ata_scsiop_inq_b9()
2196 desc[0] = cpr_log->cpr[i].num; in ata_scsiop_inq_b9()
2197 desc[1] = cpr_log->cpr[i].num_storage_elements; in ata_scsiop_inq_b9()
2198 put_unaligned_be64(cpr_log->cpr[i].start_lba, &desc[8]); in ata_scsiop_inq_b9()
2199 put_unaligned_be64(cpr_log->cpr[i].num_lbas, &desc[16]); in ata_scsiop_inq_b9()
2206 * modecpy - Prepare response for MODE SENSE
2212 * Generate a generic MODE SENSE page for either current or changeable
2222 memset(dest + 2, 0, n - 2); in modecpy()
2229 * ata_msense_caching - Simulate MODE SENSE caching info page
2234 * Generate a caching info page, which conditionally indicates
2254 * Simulate MODE SENSE control mode page, sub-page 0.
2265 bool d_sense = (dev->flags & ATA_DFLAG_D_SENSE); in ata_msense_control_spg0()
2275 * Translate an ATA duration limit in microseconds to a SCSI duration limit
2276 * using the t2cdlunits 0xa (10ms). Since the SCSI duration limits are 2-bytes
2287 * Simulate MODE SENSE control mode page, sub-pages 07h and 08h
2293 u8 *b, *cdl = dev->cdl, *desc; in ata_msense_control_spgt2()
2299 * are a header. The PAGE LENGTH field is the size of the page in ata_msense_control_spgt2()
2304 put_unaligned_be16(CDL_T2_SUB_MPAGE_LEN - 4, &buf[2]); in ata_msense_control_spgt2()
2341 * Simulate MODE SENSE control mode page, sub-page f2h
2352 * The first four bytes of ATA Feature Control mode page are a header. in ata_msense_control_ata_feature()
2355 put_unaligned_be16(ATA_FEATURE_SUB_MPAGE_LEN - 4, &buf[2]); in ata_msense_control_ata_feature()
2357 if (dev->flags & ATA_DFLAG_CDL_ENABLED) in ata_msense_control_ata_feature()
2366 * ata_msense_control - Simulate MODE SENSE control mode page
2369 * @spg: sub-page code
2372 * Generate a generic MODE SENSE control mode page.
2402 * ata_msense_rw_recovery - Simulate MODE SENSE r/w error recovery page
2406 * Generate a generic MODE SENSE r/w error recovery page.
2419 * ata_scsiop_mode_sense - Simulate MODE SENSE 6, 10 commands
2432 struct ata_device *dev = args->dev; in ata_scsiop_mode_sense()
2433 u8 *scsicmd = args->cmd->cmnd, *p = rbuf; in ata_scsiop_mode_sense()
2473 * Supported subpages: all subpages and sub-pages 07h, 08h and f2h of in ata_scsiop_mode_sense()
2483 if (dev->flags & ATA_DFLAG_CDL && pg == CONTROL_MPAGE) in ata_scsiop_mode_sense()
2498 p += ata_msense_caching(args->id, p, page_control == 1); in ata_scsiop_mode_sense()
2502 p += ata_msense_control(args->dev, p, spg, page_control == 1); in ata_scsiop_mode_sense()
2507 p += ata_msense_caching(args->id, p, page_control == 1); in ata_scsiop_mode_sense()
2508 p += ata_msense_control(args->dev, p, spg, page_control == 1); in ata_scsiop_mode_sense()
2516 if (dev->flags & ATA_DFLAG_FUA) in ata_scsiop_mode_sense()
2520 rbuf[0] = p - rbuf - 1; in ata_scsiop_mode_sense()
2527 put_unaligned_be16(p - rbuf - 2, &rbuf[0]); in ata_scsiop_mode_sense()
2537 ata_scsi_set_invalid_field(dev, args->cmd, fp, bp); in ata_scsiop_mode_sense()
2541 ata_scsi_set_sense(dev, args->cmd, ILLEGAL_REQUEST, 0x39, 0x0); in ata_scsiop_mode_sense()
2547 * ata_scsiop_read_cap - Simulate READ CAPACITY[ 16] commands
2558 struct ata_device *dev = args->dev; in ata_scsiop_read_cap()
2559 u64 last_lba = dev->n_sectors - 1; /* LBA of the last block */ in ata_scsiop_read_cap()
2564 sector_size = ata_id_logical_sector_size(dev->id); in ata_scsiop_read_cap()
2565 log2_per_phys = ata_id_log2_per_physical_sector(dev->id); in ata_scsiop_read_cap()
2566 lowest_aligned = ata_id_logical_sector_offset(dev->id, log2_per_phys); in ata_scsiop_read_cap()
2568 if (args->cmd->cmnd[0] == READ_CAPACITY) { in ata_scsiop_read_cap()
2572 /* sector count, 32-bit */ in ata_scsiop_read_cap()
2584 /* sector count, 64-bit */ in ata_scsiop_read_cap()
2605 if (ata_id_has_trim(args->id) && in ata_scsiop_read_cap()
2606 !(dev->horkage & ATA_HORKAGE_NOTRIM)) { in ata_scsiop_read_cap()
2609 if (ata_id_has_zero_after_trim(args->id) && in ata_scsiop_read_cap()
2610 dev->horkage & ATA_HORKAGE_ZERO_AFTER_TRIM) { in ata_scsiop_read_cap()
2615 if (ata_id_zoned_cap(args->id) || in ata_scsiop_read_cap()
2616 args->dev->class == ATA_DEV_ZAC) in ata_scsiop_read_cap()
2623 * ata_scsiop_report_luns - Simulate REPORT LUNS command
2643 * 1) Fake MMC-5 version, to indicate to the Linux scsi midlayer this is a
2661 struct scsi_cmnd *cmd = qc->scsicmd; in atapi_qc_complete()
2662 unsigned int err_mask = qc->err_mask; in atapi_qc_complete()
2665 if (unlikely(err_mask || qc->flags & ATA_QCFLAG_SENSE_VALID)) { in atapi_qc_complete()
2667 if (!(qc->flags & ATA_QCFLAG_SENSE_VALID)) in atapi_qc_complete()
2670 /* SCSI EH automatically locks door if sdev->locked is in atapi_qc_complete()
2673 * creates a loop - SCSI EH issues door lock which in atapi_qc_complete()
2677 * If door lock fails, always clear sdev->locked to in atapi_qc_complete()
2681 * sure qc->dev->sdev isn't NULL before dereferencing. in atapi_qc_complete()
2683 if (qc->cdb[0] == ALLOW_MEDIUM_REMOVAL && qc->dev->sdev) in atapi_qc_complete()
2684 qc->dev->sdev->locked = 0; in atapi_qc_complete()
2686 qc->scsicmd->result = SAM_STAT_CHECK_CONDITION; in atapi_qc_complete()
2692 if (cmd->cmnd[0] == INQUIRY && (cmd->cmnd[1] & 0x03) == 0) in atapi_qc_complete()
2694 cmd->result = SAM_STAT_GOOD; in atapi_qc_complete()
2699 * atapi_xlat - Initialize PACKET taskfile
2706 * Zero on success, non-zero on failure.
2710 struct scsi_cmnd *scmd = qc->scsicmd; in atapi_xlat()
2711 struct ata_device *dev = qc->dev; in atapi_xlat()
2712 int nodata = (scmd->sc_data_direction == DMA_NONE); in atapi_xlat()
2713 int using_pio = !nodata && (dev->flags & ATA_DFLAG_PIO); in atapi_xlat()
2716 memset(qc->cdb, 0, dev->cdb_len); in atapi_xlat()
2717 memcpy(qc->cdb, scmd->cmnd, scmd->cmd_len); in atapi_xlat()
2719 qc->complete_fn = atapi_qc_complete; in atapi_xlat()
2721 qc->tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE; in atapi_xlat()
2722 if (scmd->sc_data_direction == DMA_TO_DEVICE) { in atapi_xlat()
2723 qc->tf.flags |= ATA_TFLAG_WRITE; in atapi_xlat()
2726 qc->tf.command = ATA_CMD_PACKET; in atapi_xlat()
2767 qc->tf.lbam = (nbytes & 0xFF); in atapi_xlat()
2768 qc->tf.lbah = (nbytes >> 8); in atapi_xlat()
2771 qc->tf.protocol = ATAPI_PROT_NODATA; in atapi_xlat()
2773 qc->tf.protocol = ATAPI_PROT_PIO; in atapi_xlat()
2776 qc->tf.protocol = ATAPI_PROT_DMA; in atapi_xlat()
2777 qc->tf.feature |= ATAPI_PKT_DMA; in atapi_xlat()
2779 if ((dev->flags & ATA_DFLAG_DMADIR) && in atapi_xlat()
2780 (scmd->sc_data_direction != DMA_TO_DEVICE)) in atapi_xlat()
2782 qc->tf.feature |= ATAPI_DMADIR; in atapi_xlat()
2786 /* FIXME: We need to translate 0x05 READ_BLOCK_LIMITS to a MODE_SENSE in atapi_xlat()
2794 * For the non-PMP case, ata_link_max_devices() returns 1 (SATA case), in ata_find_dev()
2802 int link_max_devices = ata_link_max_devices(&ap->link); in ata_find_dev()
2805 return &ap->link.device[0]; in ata_find_dev()
2808 return &ap->link.device[devno]; in ata_find_dev()
2814 * For PMP-attached devices, the device number corresponds to C in ata_find_dev()
2818 if (devno < ap->nr_pmp_links) in ata_find_dev()
2819 return &ap->pmp_link[devno].device[0]; in ata_find_dev()
2831 if (unlikely(scsidev->channel || scsidev->lun)) in __ata_scsi_find_dev()
2833 devno = scsidev->id; in __ata_scsi_find_dev()
2835 if (unlikely(scsidev->id || scsidev->lun)) in __ata_scsi_find_dev()
2837 devno = scsidev->channel; in __ata_scsi_find_dev()
2844 * ata_scsi_find_dev - lookup ata_device from scsi_cmnd
2871 * ata_scsi_map_proto - Map pass-thru protocol value to taskfile value.
2872 * @byte1: Byte 1 from pass-thru CDB.
2881 case 3: /* Non-data */ in ata_scsi_map_proto()
2885 case 10: /* UDMA Data-in */ in ata_scsi_map_proto()
2886 case 11: /* UDMA Data-Out */ in ata_scsi_map_proto()
2889 case 4: /* PIO Data-in */ in ata_scsi_map_proto()
2890 case 5: /* PIO Data-out */ in ata_scsi_map_proto()
2910 * ata_scsi_pass_thru - convert ATA pass-thru CDB to taskfile
2913 * Handles either 12, 16, or 32-byte versions of the CDB.
2916 * Zero on success, non-zero on failure.
2920 struct ata_taskfile *tf = &(qc->tf); in ata_scsi_pass_thru() local
2921 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_pass_thru()
2922 struct ata_device *dev = qc->dev; in ata_scsi_pass_thru()
2923 const u8 *cdb = scmd->cmnd; in ata_scsi_pass_thru()
2927 /* 7Fh variable length cmd means a ata pass-thru(32) */ in ata_scsi_pass_thru()
2931 tf->protocol = ata_scsi_map_proto(cdb[1 + cdb_offset]); in ata_scsi_pass_thru()
2932 if (tf->protocol == ATA_PROT_UNKNOWN) { in ata_scsi_pass_thru()
2942 if (scmd->sc_data_direction != DMA_NONE) { in ata_scsi_pass_thru()
2947 if (ata_is_ncq(tf->protocol)) in ata_scsi_pass_thru()
2948 tf->protocol = ATA_PROT_NCQ_NODATA; in ata_scsi_pass_thru()
2952 tf->flags |= ATA_TFLAG_LBA; in ata_scsi_pass_thru()
2961 * 16-byte CDB - may contain extended commands. in ata_scsi_pass_thru()
2966 tf->hob_feature = cdb[3]; in ata_scsi_pass_thru()
2967 tf->hob_nsect = cdb[5]; in ata_scsi_pass_thru()
2968 tf->hob_lbal = cdb[7]; in ata_scsi_pass_thru()
2969 tf->hob_lbam = cdb[9]; in ata_scsi_pass_thru()
2970 tf->hob_lbah = cdb[11]; in ata_scsi_pass_thru()
2971 tf->flags |= ATA_TFLAG_LBA48; in ata_scsi_pass_thru()
2973 tf->flags &= ~ATA_TFLAG_LBA48; in ata_scsi_pass_thru()
2978 tf->feature = cdb[4]; in ata_scsi_pass_thru()
2979 tf->nsect = cdb[6]; in ata_scsi_pass_thru()
2980 tf->lbal = cdb[8]; in ata_scsi_pass_thru()
2981 tf->lbam = cdb[10]; in ata_scsi_pass_thru()
2982 tf->lbah = cdb[12]; in ata_scsi_pass_thru()
2983 tf->device = cdb[13]; in ata_scsi_pass_thru()
2984 tf->command = cdb[14]; in ata_scsi_pass_thru()
2988 * 12-byte CDB - incapable of extended commands. in ata_scsi_pass_thru()
2990 tf->flags &= ~ATA_TFLAG_LBA48; in ata_scsi_pass_thru()
2992 tf->feature = cdb[3]; in ata_scsi_pass_thru()
2993 tf->nsect = cdb[4]; in ata_scsi_pass_thru()
2994 tf->lbal = cdb[5]; in ata_scsi_pass_thru()
2995 tf->lbam = cdb[6]; in ata_scsi_pass_thru()
2996 tf->lbah = cdb[7]; in ata_scsi_pass_thru()
2997 tf->device = cdb[8]; in ata_scsi_pass_thru()
2998 tf->command = cdb[9]; in ata_scsi_pass_thru()
3002 * 32-byte CDB - may contain extended command fields. in ata_scsi_pass_thru()
3007 tf->hob_feature = cdb[20]; in ata_scsi_pass_thru()
3008 tf->hob_nsect = cdb[22]; in ata_scsi_pass_thru()
3009 tf->hob_lbal = cdb[16]; in ata_scsi_pass_thru()
3010 tf->hob_lbam = cdb[15]; in ata_scsi_pass_thru()
3011 tf->hob_lbah = cdb[14]; in ata_scsi_pass_thru()
3012 tf->flags |= ATA_TFLAG_LBA48; in ata_scsi_pass_thru()
3014 tf->flags &= ~ATA_TFLAG_LBA48; in ata_scsi_pass_thru()
3016 tf->feature = cdb[21]; in ata_scsi_pass_thru()
3017 tf->nsect = cdb[23]; in ata_scsi_pass_thru()
3018 tf->lbal = cdb[19]; in ata_scsi_pass_thru()
3019 tf->lbam = cdb[18]; in ata_scsi_pass_thru()
3020 tf->lbah = cdb[17]; in ata_scsi_pass_thru()
3021 tf->device = cdb[24]; in ata_scsi_pass_thru()
3022 tf->command = cdb[25]; in ata_scsi_pass_thru()
3023 tf->auxiliary = get_unaligned_be32(&cdb[28]); in ata_scsi_pass_thru()
3028 if (ata_is_ncq(tf->protocol)) in ata_scsi_pass_thru()
3029 tf->nsect = qc->hw_tag << 3; in ata_scsi_pass_thru()
3032 tf->device = dev->devno ? in ata_scsi_pass_thru()
3033 tf->device | ATA_DEV1 : tf->device & ~ATA_DEV1; in ata_scsi_pass_thru()
3035 switch (tf->command) { in ata_scsi_pass_thru()
3036 /* READ/WRITE LONG use a non-standard sect_size */ in ata_scsi_pass_thru()
3041 if (tf->protocol != ATA_PROT_PIO || tf->nsect != 1) { in ata_scsi_pass_thru()
3045 qc->sect_size = scsi_bufflen(scmd); in ata_scsi_pass_thru()
3079 qc->sect_size = scmd->device->sector_size; in ata_scsi_pass_thru()
3084 qc->sect_size = ATA_SECT_SIZE; in ata_scsi_pass_thru()
3089 * write indication (used for PIO/DMA setup), result TF is in ata_scsi_pass_thru()
3092 tf->flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE; in ata_scsi_pass_thru()
3093 if (scmd->sc_data_direction == DMA_TO_DEVICE) in ata_scsi_pass_thru()
3094 tf->flags |= ATA_TFLAG_WRITE; in ata_scsi_pass_thru()
3096 qc->flags |= ATA_QCFLAG_RESULT_TF | ATA_QCFLAG_QUIET; in ata_scsi_pass_thru()
3107 if (tf->protocol == ATA_PROT_DMA && !ata_dma_enabled(dev)) { in ata_scsi_pass_thru()
3113 if (ata_is_ncq(tf->protocol) && !ata_ncq_enabled(dev)) { in ata_scsi_pass_thru()
3119 if ((cdb[1] & 0xe0) && !is_multi_taskfile(tf)) { in ata_scsi_pass_thru()
3124 if (is_multi_taskfile(tf)) { in ata_scsi_pass_thru()
3130 if (multi_count != dev->multi_count) in ata_scsi_pass_thru()
3136 * Filter SET_FEATURES - XFER MODE command -- otherwise, in ata_scsi_pass_thru()
3137 * SET_FEATURES - XFER MODE must be preceded/succeeded in ata_scsi_pass_thru()
3138 * by an update to hardware-specific registers for each in ata_scsi_pass_thru()
3139 * controller (i.e. the reason for ->set_piomode(), in ata_scsi_pass_thru()
3140 * ->set_dmamode(), and ->post_set_mode() hooks). in ata_scsi_pass_thru()
3142 if (tf->command == ATA_CMD_SET_FEATURES && in ata_scsi_pass_thru()
3143 tf->feature == SETFEATURES_XFER) { in ata_scsi_pass_thru()
3152 * have a real reason for wanting to use them. This ensures in ata_scsi_pass_thru()
3157 * Note that for ATA8 we can issue a DCS change and DCS freeze lock in ata_scsi_pass_thru()
3163 if (tf->command >= 0x5C && tf->command <= 0x5F && !libata_allow_tpm) { in ata_scsi_pass_thru()
3176 * ata_format_dsm_trim_descr() - SATL Write Same to DSM Trim
3182 * Rewrite the WRITE SAME descriptor to be a DSM TRIM little-endian formatted
3199 struct scsi_device *sdp = cmd->device; in ata_format_dsm_trim_descr()
3200 size_t len = sdp->sector_size; in ata_format_dsm_trim_descr()
3220 count -= 0xffff; in ata_format_dsm_trim_descr()
3230 * ata_scsi_write_same_xlat() - SATL Write Same to ATA SCT Write Same
3233 * Translate a SCSI WRITE SAME command to be either a DSM TRIM command or
3237 * - When set translate to DSM TRIM
3238 * - When clear translate to SCT Write Same
3242 struct ata_taskfile *tf = &qc->tf; in ata_scsi_write_same_xlat() local
3243 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_write_same_xlat()
3244 struct scsi_device *sdp = scmd->device; in ata_scsi_write_same_xlat()
3245 size_t len = sdp->sector_size; in ata_scsi_write_same_xlat()
3246 struct ata_device *dev = qc->dev; in ata_scsi_write_same_xlat()
3247 const u8 *cdb = scmd->cmnd; in ata_scsi_write_same_xlat()
3268 if (unlikely(scmd->cmd_len < 16)) { in ata_scsi_write_same_xlat()
3275 (dev->horkage & ATA_HORKAGE_NOTRIM) || in ata_scsi_write_same_xlat()
3276 !ata_id_has_trim(dev->id)) { in ata_scsi_write_same_xlat()
3288 * WRITE SAME always has a sector sized buffer as payload, this in ata_scsi_write_same_xlat()
3289 * should never be a multiple entry S/G list. in ata_scsi_write_same_xlat()
3296 * For DATA SET MANAGEMENT TRIM in ACS-2 nsect (aka count) in ata_scsi_write_same_xlat()
3306 tf->protocol = ATA_PROT_NCQ; in ata_scsi_write_same_xlat()
3307 tf->command = ATA_CMD_FPDMA_SEND; in ata_scsi_write_same_xlat()
3308 tf->hob_nsect = ATA_SUBCMD_FPDMA_SEND_DSM & 0x1f; in ata_scsi_write_same_xlat()
3309 tf->nsect = qc->hw_tag << 3; in ata_scsi_write_same_xlat()
3310 tf->hob_feature = (size / 512) >> 8; in ata_scsi_write_same_xlat()
3311 tf->feature = size / 512; in ata_scsi_write_same_xlat()
3313 tf->auxiliary = 1; in ata_scsi_write_same_xlat()
3315 tf->protocol = ATA_PROT_DMA; in ata_scsi_write_same_xlat()
3316 tf->hob_feature = 0; in ata_scsi_write_same_xlat()
3317 tf->feature = ATA_DSM_TRIM; in ata_scsi_write_same_xlat()
3318 tf->hob_nsect = (size / 512) >> 8; in ata_scsi_write_same_xlat()
3319 tf->nsect = size / 512; in ata_scsi_write_same_xlat()
3320 tf->command = ATA_CMD_DSM; in ata_scsi_write_same_xlat()
3323 tf->flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE | ATA_TFLAG_LBA48 | in ata_scsi_write_same_xlat()
3344 * ata_scsiop_maint_in - Simulate a subset of MAINTENANCE_IN
3348 * Yields a subset to satisfy scsi_report_opcode()
3355 struct ata_device *dev = args->dev; in ata_scsiop_maint_in()
3356 u8 *cdb = args->cmd->cmnd; in ata_scsiop_maint_in()
3397 if (dev->flags & ATA_DFLAG_CDL) { in ata_scsiop_maint_in()
3408 if (dev->flags & ATA_DFLAG_CDL) { in ata_scsiop_maint_in()
3419 if (ata_id_zoned_cap(dev->id) || in ata_scsiop_maint_in()
3420 dev->class == ATA_DEV_ZAC) in ata_scsiop_maint_in()
3425 if (dev->flags & ATA_DFLAG_TRUSTED) in ata_scsiop_maint_in()
3439 * ata_scsi_report_zones_complete - convert ATA output
3442 * Convert T-13 little-endian field representation into
3443 * T-10 big-endian field representation.
3444 * What a mess.
3448 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_report_zones_complete()
3511 struct ata_taskfile *tf = &qc->tf; in ata_scsi_zbc_in_xlat() local
3512 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_zbc_in_xlat()
3513 const u8 *cdb = scmd->cmnd; in ata_scsi_zbc_in_xlat()
3514 u16 sect, fp = (u16)-1; in ata_scsi_zbc_in_xlat()
3519 if (unlikely(scmd->cmd_len < 16)) { in ata_scsi_zbc_in_xlat()
3520 ata_dev_warn(qc->dev, "invalid cdb length %d\n", in ata_scsi_zbc_in_xlat()
3521 scmd->cmd_len); in ata_scsi_zbc_in_xlat()
3527 ata_dev_warn(qc->dev, "non-matching transfer count (%d/%d)\n", in ata_scsi_zbc_in_xlat()
3533 ata_dev_warn(qc->dev, "invalid service action %d\n", sa); in ata_scsi_zbc_in_xlat()
3539 * and uses a 16 bit value for the transfer count. in ata_scsi_zbc_in_xlat()
3542 ata_dev_warn(qc->dev, "invalid transfer count %d\n", n_block); in ata_scsi_zbc_in_xlat()
3548 if (ata_ncq_enabled(qc->dev) && in ata_scsi_zbc_in_xlat()
3549 ata_fpdma_zac_mgmt_in_supported(qc->dev)) { in ata_scsi_zbc_in_xlat()
3550 tf->protocol = ATA_PROT_NCQ; in ata_scsi_zbc_in_xlat()
3551 tf->command = ATA_CMD_FPDMA_RECV; in ata_scsi_zbc_in_xlat()
3552 tf->hob_nsect = ATA_SUBCMD_FPDMA_RECV_ZAC_MGMT_IN & 0x1f; in ata_scsi_zbc_in_xlat()
3553 tf->nsect = qc->hw_tag << 3; in ata_scsi_zbc_in_xlat()
3554 tf->feature = sect & 0xff; in ata_scsi_zbc_in_xlat()
3555 tf->hob_feature = (sect >> 8) & 0xff; in ata_scsi_zbc_in_xlat()
3556 tf->auxiliary = ATA_SUBCMD_ZAC_MGMT_IN_REPORT_ZONES | (options << 8); in ata_scsi_zbc_in_xlat()
3558 tf->command = ATA_CMD_ZAC_MGMT_IN; in ata_scsi_zbc_in_xlat()
3559 tf->feature = ATA_SUBCMD_ZAC_MGMT_IN_REPORT_ZONES; in ata_scsi_zbc_in_xlat()
3560 tf->protocol = ATA_PROT_DMA; in ata_scsi_zbc_in_xlat()
3561 tf->hob_feature = options; in ata_scsi_zbc_in_xlat()
3562 tf->hob_nsect = (sect >> 8) & 0xff; in ata_scsi_zbc_in_xlat()
3563 tf->nsect = sect & 0xff; in ata_scsi_zbc_in_xlat()
3565 tf->device = ATA_LBA; in ata_scsi_zbc_in_xlat()
3566 tf->lbah = (block >> 16) & 0xff; in ata_scsi_zbc_in_xlat()
3567 tf->lbam = (block >> 8) & 0xff; in ata_scsi_zbc_in_xlat()
3568 tf->lbal = block & 0xff; in ata_scsi_zbc_in_xlat()
3569 tf->hob_lbah = (block >> 40) & 0xff; in ata_scsi_zbc_in_xlat()
3570 tf->hob_lbam = (block >> 32) & 0xff; in ata_scsi_zbc_in_xlat()
3571 tf->hob_lbal = (block >> 24) & 0xff; in ata_scsi_zbc_in_xlat()
3573 tf->flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE | ATA_TFLAG_LBA48; in ata_scsi_zbc_in_xlat()
3574 qc->flags |= ATA_QCFLAG_RESULT_TF; in ata_scsi_zbc_in_xlat()
3578 qc->complete_fn = ata_scsi_report_zones_complete; in ata_scsi_zbc_in_xlat()
3583 ata_scsi_set_invalid_field(qc->dev, scmd, fp, bp); in ata_scsi_zbc_in_xlat()
3588 ata_scsi_set_sense(qc->dev, scmd, ILLEGAL_REQUEST, 0x1a, 0x0); in ata_scsi_zbc_in_xlat()
3594 struct ata_taskfile *tf = &qc->tf; in ata_scsi_zbc_out_xlat() local
3595 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_zbc_out_xlat()
3596 struct ata_device *dev = qc->dev; in ata_scsi_zbc_out_xlat()
3597 const u8 *cdb = scmd->cmnd; in ata_scsi_zbc_out_xlat()
3601 u16 fp = (u16)-1; in ata_scsi_zbc_out_xlat()
3603 if (unlikely(scmd->cmd_len < 16)) { in ata_scsi_zbc_out_xlat()
3629 } else if (block >= dev->n_sectors) { in ata_scsi_zbc_out_xlat()
3631 * Block must be a valid zone ID (a zone start LBA). in ata_scsi_zbc_out_xlat()
3637 if (ata_ncq_enabled(qc->dev) && in ata_scsi_zbc_out_xlat()
3638 ata_fpdma_zac_mgmt_out_supported(qc->dev)) { in ata_scsi_zbc_out_xlat()
3639 tf->protocol = ATA_PROT_NCQ_NODATA; in ata_scsi_zbc_out_xlat()
3640 tf->command = ATA_CMD_NCQ_NON_DATA; in ata_scsi_zbc_out_xlat()
3641 tf->feature = ATA_SUBCMD_NCQ_NON_DATA_ZAC_MGMT_OUT; in ata_scsi_zbc_out_xlat()
3642 tf->nsect = qc->hw_tag << 3; in ata_scsi_zbc_out_xlat()
3643 tf->auxiliary = sa | ((u16)all << 8); in ata_scsi_zbc_out_xlat()
3645 tf->protocol = ATA_PROT_NODATA; in ata_scsi_zbc_out_xlat()
3646 tf->command = ATA_CMD_ZAC_MGMT_OUT; in ata_scsi_zbc_out_xlat()
3647 tf->feature = sa; in ata_scsi_zbc_out_xlat()
3648 tf->hob_feature = all; in ata_scsi_zbc_out_xlat()
3650 tf->lbah = (block >> 16) & 0xff; in ata_scsi_zbc_out_xlat()
3651 tf->lbam = (block >> 8) & 0xff; in ata_scsi_zbc_out_xlat()
3652 tf->lbal = block & 0xff; in ata_scsi_zbc_out_xlat()
3653 tf->hob_lbah = (block >> 40) & 0xff; in ata_scsi_zbc_out_xlat()
3654 tf->hob_lbam = (block >> 32) & 0xff; in ata_scsi_zbc_out_xlat()
3655 tf->hob_lbal = (block >> 24) & 0xff; in ata_scsi_zbc_out_xlat()
3656 tf->device = ATA_LBA; in ata_scsi_zbc_out_xlat()
3657 tf->flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE | ATA_TFLAG_LBA48; in ata_scsi_zbc_out_xlat()
3662 ata_scsi_set_invalid_field(qc->dev, scmd, fp, 0xff); in ata_scsi_zbc_out_xlat()
3666 ata_scsi_set_sense(qc->dev, scmd, ILLEGAL_REQUEST, 0x1a, 0x0); in ata_scsi_zbc_out_xlat()
3671 * ata_mselect_caching - Simulate MODE SELECT for caching info page
3677 * Prepare a taskfile to modify caching information for the device.
3685 struct ata_taskfile *tf = &qc->tf; in ata_mselect_caching() local
3686 struct ata_device *dev = qc->dev; in ata_mselect_caching()
3692 * The first two bytes of def_cache_mpage are a header, so offsets in ata_mselect_caching()
3696 if (len != CACHE_MPAGE_LEN - 2) { in ata_mselect_caching()
3697 *fp = min(len, CACHE_MPAGE_LEN - 2); in ata_mselect_caching()
3698 return -EINVAL; in ata_mselect_caching()
3704 * Check that read-only bits are not modified. in ata_mselect_caching()
3706 ata_msense_caching(dev->id, mpage, false); in ata_mselect_caching()
3707 for (i = 0; i < CACHE_MPAGE_LEN - 2; i++) { in ata_mselect_caching()
3712 return -EINVAL; in ata_mselect_caching()
3716 tf->flags |= ATA_TFLAG_DEVICE | ATA_TFLAG_ISADDR; in ata_mselect_caching()
3717 tf->protocol = ATA_PROT_NODATA; in ata_mselect_caching()
3718 tf->nsect = 0; in ata_mselect_caching()
3719 tf->command = ATA_CMD_SET_FEATURES; in ata_mselect_caching()
3720 tf->feature = wce ? SETFEATURES_WC_ON : SETFEATURES_WC_OFF; in ata_mselect_caching()
3725 * Simulate MODE SELECT control mode page, sub-page 0.
3730 struct ata_device *dev = qc->dev; in ata_mselect_control_spg0()
3736 * The first two bytes of def_control_mpage are a header, so offsets in ata_mselect_control_spg0()
3740 if (len != CONTROL_MPAGE_LEN - 2) { in ata_mselect_control_spg0()
3741 *fp = min(len, CONTROL_MPAGE_LEN - 2); in ata_mselect_control_spg0()
3742 return -EINVAL; in ata_mselect_control_spg0()
3748 * Check that read-only bits are not modified. in ata_mselect_control_spg0()
3751 for (i = 0; i < CONTROL_MPAGE_LEN - 2; i++) { in ata_mselect_control_spg0()
3756 return -EINVAL; in ata_mselect_control_spg0()
3760 dev->flags |= ATA_DFLAG_D_SENSE; in ata_mselect_control_spg0()
3762 dev->flags &= ~ATA_DFLAG_D_SENSE; in ata_mselect_control_spg0()
3767 * Translate MODE SELECT control mode page, sub-page f2h (ATA feature mode
3768 * page) into a SET FEATURES command.
3773 struct ata_device *dev = qc->dev; in ata_mselect_control_ata_feature()
3774 struct ata_taskfile *tf = &qc->tf; in ata_mselect_control_ata_feature() local
3778 * The first four bytes of ATA Feature Control mode page are a header, in ata_mselect_control_ata_feature()
3781 if (len != ATA_FEATURE_SUB_MPAGE_LEN - 4) { in ata_mselect_control_ata_feature()
3782 *fp = min(len, ATA_FEATURE_SUB_MPAGE_LEN - 4); in ata_mselect_control_ata_feature()
3783 return -EINVAL; in ata_mselect_control_ata_feature()
3790 if (!(dev->flags & ATA_DFLAG_CDL_ENABLED)) in ata_mselect_control_ata_feature()
3794 dev->flags &= ~ATA_DFLAG_CDL_ENABLED; in ata_mselect_control_ata_feature()
3802 if (dev->flags & ATA_DFLAG_CDL_ENABLED) in ata_mselect_control_ata_feature()
3804 if (dev->flags & ATA_DFLAG_NCQ_PRIO_ENABLED) { in ata_mselect_control_ata_feature()
3807 return -EINVAL; in ata_mselect_control_ata_feature()
3811 dev->flags |= ATA_DFLAG_CDL_ENABLED; in ata_mselect_control_ata_feature()
3815 return -EINVAL; in ata_mselect_control_ata_feature()
3818 tf->flags |= ATA_TFLAG_DEVICE | ATA_TFLAG_ISADDR; in ata_mselect_control_ata_feature()
3819 tf->protocol = ATA_PROT_NODATA; in ata_mselect_control_ata_feature()
3820 tf->command = ATA_CMD_SET_FEATURES; in ata_mselect_control_ata_feature()
3821 tf->feature = SETFEATURES_CDL; in ata_mselect_control_ata_feature()
3822 tf->nsect = cdl_action; in ata_mselect_control_ata_feature()
3828 * ata_mselect_control - Simulate MODE SELECT for control page
3830 * @spg: target sub-page of the control page
3835 * Prepare a taskfile to modify caching information for the device.
3849 return -EINVAL; in ata_mselect_control()
3854 * ata_scsi_mode_select_xlat - Simulate MODE SELECT 6, 10 commands
3857 * Converts a MODE SELECT command to an ATA SET FEATURES taskfile.
3866 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_mode_select_xlat()
3867 const u8 *cdb = scmd->cmnd; in ata_scsi_mode_select_xlat()
3871 u16 fp = (u16)-1; in ata_scsi_mode_select_xlat()
3878 if (scmd->cmd_len < 5) { in ata_scsi_mode_select_xlat()
3886 if (scmd->cmd_len < 9) { in ata_scsi_mode_select_xlat()
3903 if (!scsi_sg_count(scmd) || scsi_sglist(scmd)->length < len) in ata_scsi_mode_select_xlat()
3919 len -= hdr_len; in ata_scsi_mode_select_xlat()
3929 len -= bd_len; in ata_scsi_mode_select_xlat()
3943 len -= 4; in ata_scsi_mode_select_xlat()
3951 len -= 2; in ata_scsi_mode_select_xlat()
3955 * Supported subpages: all subpages and ATA feature sub-page f2h of in ata_scsi_mode_select_xlat()
3969 if (qc->dev->flags & ATA_DFLAG_CDL && in ata_scsi_mode_select_xlat()
4006 * page at a time. in ata_scsi_mode_select_xlat()
4014 ata_scsi_set_invalid_field(qc->dev, scmd, fp, bp); in ata_scsi_mode_select_xlat()
4018 ata_scsi_set_invalid_parameter(qc->dev, scmd, fp); in ata_scsi_mode_select_xlat()
4023 ata_scsi_set_sense(qc->dev, scmd, ILLEGAL_REQUEST, 0x1a, 0x0); in ata_scsi_mode_select_xlat()
4027 scmd->result = SAM_STAT_GOOD; in ata_scsi_mode_select_xlat()
4043 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_security_inout_xlat()
4044 const u8 *cdb = scmd->cmnd; in ata_scsi_security_inout_xlat()
4045 struct ata_taskfile *tf = &qc->tf; in ata_scsi_security_inout_xlat() local
4050 bool dma = !(qc->dev->flags & ATA_DFLAG_PIO); in ata_scsi_security_inout_xlat()
4056 ata_scsi_set_invalid_field(qc->dev, scmd, 1, 0); in ata_scsi_security_inout_xlat()
4062 ata_scsi_set_invalid_field(qc->dev, scmd, 6, 0); in ata_scsi_security_inout_xlat()
4067 ata_scsi_set_invalid_field(qc->dev, scmd, 6, 0); in ata_scsi_security_inout_xlat()
4071 /* convert to the sector-based ATA addressing */ in ata_scsi_security_inout_xlat()
4075 tf->protocol = dma ? ATA_PROT_DMA : ATA_PROT_PIO; in ata_scsi_security_inout_xlat()
4076 tf->flags |= ATA_TFLAG_DEVICE | ATA_TFLAG_ISADDR | ATA_TFLAG_LBA; in ata_scsi_security_inout_xlat()
4078 tf->flags |= ATA_TFLAG_WRITE; in ata_scsi_security_inout_xlat()
4079 tf->command = ata_scsi_trusted_op(len, send, dma); in ata_scsi_security_inout_xlat()
4080 tf->feature = secp; in ata_scsi_security_inout_xlat()
4081 tf->lbam = spsp & 0xff; in ata_scsi_security_inout_xlat()
4082 tf->lbah = spsp >> 8; in ata_scsi_security_inout_xlat()
4085 tf->nsect = len & 0xff; in ata_scsi_security_inout_xlat()
4086 tf->lbal = len >> 8; in ata_scsi_security_inout_xlat()
4089 tf->lbah = (1 << 7); in ata_scsi_security_inout_xlat()
4097 * ata_scsi_var_len_cdb_xlat - SATL variable length CDB to Handler
4100 * Translate a SCSI variable length CDB to specified commands.
4101 * It checks a service action value in CDB to call corresponding handler.
4104 * Zero on success, non-zero on failure
4109 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_var_len_cdb_xlat()
4110 const u8 *cdb = scmd->cmnd; in ata_scsi_var_len_cdb_xlat()
4114 * if service action represents a ata pass-thru(32) command, in ata_scsi_var_len_cdb_xlat()
4125 * ata_get_xlat_func - check if SCSI to ATA translation is possible
4180 if (!(dev->flags & ATA_DFLAG_TRUSTED)) in ata_get_xlat_func()
4193 struct ata_port *ap = dev->link->ap; in __ata_scsi_queuecmd()
4194 u8 scsi_op = scmd->cmnd[0]; in __ata_scsi_queuecmd()
4199 * However, this check is done without holding the ap->lock (a libata in __ata_scsi_queuecmd()
4201 * therefore we must check if EH is pending, while holding ap->lock. in __ata_scsi_queuecmd()
4203 if (ap->pflags & (ATA_PFLAG_EH_PENDING | ATA_PFLAG_EH_IN_PROGRESS)) in __ata_scsi_queuecmd()
4206 if (unlikely(!scmd->cmd_len)) in __ata_scsi_queuecmd()
4209 if (dev->class == ATA_DEV_ATA || dev->class == ATA_DEV_ZAC) { in __ata_scsi_queuecmd()
4210 if (unlikely(scmd->cmd_len > dev->cdb_len)) in __ata_scsi_queuecmd()
4218 if (unlikely(len > scmd->cmd_len || in __ata_scsi_queuecmd()
4219 len > dev->cdb_len || in __ata_scsi_queuecmd()
4220 scmd->cmd_len > ATAPI_CDB_LEN)) in __ata_scsi_queuecmd()
4226 if (unlikely(scmd->cmd_len > 16)) in __ata_scsi_queuecmd()
4240 scmd->result = DID_ERROR << 16; in __ata_scsi_queuecmd()
4246 * ata_scsi_queuecmd - Issue SCSI cdb to libata-managed device
4252 * hardware. In other cases, this function simulates a
4268 struct scsi_device *scsidev = cmd->device; in ata_scsi_queuecmd()
4274 spin_lock_irqsave(ap->lock, irq_flags); in ata_scsi_queuecmd()
4280 cmd->result = (DID_BAD_TARGET << 16); in ata_scsi_queuecmd()
4284 spin_unlock_irqrestore(ap->lock, irq_flags); in ata_scsi_queuecmd()
4291 * ata_scsi_simulate - simulate SCSI command on ATA device
4295 * Interprets and directly executes a select list of SCSI commands
4305 const u8 *scsicmd = cmd->cmnd; in ata_scsi_simulate()
4309 args.id = dev->id; in ata_scsi_simulate()
4341 if (dev->flags & ATA_DFLAG_ZAC) in ata_scsi_simulate()
4347 if (dev->cpr_log) in ata_scsi_simulate()
4383 * turning this into a no-op. in ata_scsi_simulate()
4389 /* no-op's, complete with success */ in ata_scsi_simulate()
4423 for (i = 0; i < host->n_ports; i++) { in ata_scsi_add_hosts()
4424 struct ata_port *ap = host->ports[i]; in ata_scsi_add_hosts()
4427 rc = -ENOMEM; in ata_scsi_add_hosts()
4432 shost->eh_noresume = 1; in ata_scsi_add_hosts()
4433 *(struct ata_port **)&shost->hostdata[0] = ap; in ata_scsi_add_hosts()
4434 ap->scsi_host = shost; in ata_scsi_add_hosts()
4436 shost->transportt = ata_scsi_transport_template; in ata_scsi_add_hosts()
4437 shost->unique_id = ap->print_id; in ata_scsi_add_hosts()
4438 shost->max_id = 16; in ata_scsi_add_hosts()
4439 shost->max_lun = 1; in ata_scsi_add_hosts()
4440 shost->max_channel = 1; in ata_scsi_add_hosts()
4441 shost->max_cmd_len = 32; in ata_scsi_add_hosts()
4443 /* Schedule policy is determined by ->qc_defer() in ata_scsi_add_hosts()
4448 shost->max_host_blocked = 1; in ata_scsi_add_hosts()
4450 rc = scsi_add_host_with_dma(shost, &ap->tdev, ap->host->dev); in ata_scsi_add_hosts()
4458 while (--i >= 0) { in ata_scsi_add_hosts()
4459 struct Scsi_Host *shost = host->ports[i]->scsi_host; in ata_scsi_add_hosts()
4470 struct scsi_device *sdev = dev->sdev; in ata_scsi_assign_ofnode()
4471 struct device *d = ap->host->dev; in ata_scsi_assign_ofnode()
4472 struct device_node *np = d->of_node; in ata_scsi_assign_ofnode()
4482 if (val == dev->devno) { in ata_scsi_assign_ofnode()
4484 sdev->sdev_gendev.of_node = child; in ata_scsi_assign_ofnode()
4508 if (dev->sdev) in ata_scsi_scan_host()
4512 id = dev->devno; in ata_scsi_scan_host()
4514 channel = link->pmp; in ata_scsi_scan_host()
4516 sdev = __scsi_add_device(ap->scsi_host, channel, id, 0, in ata_scsi_scan_host()
4519 dev->sdev = sdev; in ata_scsi_scan_host()
4523 dev->sdev = NULL; in ata_scsi_scan_host()
4534 if (!dev->sdev) in ata_scsi_scan_host()
4554 * a few more chances. in ata_scsi_scan_host()
4556 if (--tries) { in ata_scsi_scan_host()
4565 queue_delayed_work(system_long_wq, &ap->hotplug_task, in ata_scsi_scan_host()
4570 * ata_scsi_offline_dev - offline attached SCSI device
4575 * function is called with host lock which protects dev->sdev
4586 if (dev->sdev) { in ata_scsi_offline_dev()
4587 scsi_device_set_state(dev->sdev, SDEV_OFFLINE); in ata_scsi_offline_dev()
4594 * ata_scsi_remove_dev - remove attached SCSI device
4605 struct ata_port *ap = dev->link->ap; in ata_scsi_remove_dev()
4615 mutex_lock(&ap->scsi_host->scan_mutex); in ata_scsi_remove_dev()
4616 spin_lock_irqsave(ap->lock, flags); in ata_scsi_remove_dev()
4618 /* clearing dev->sdev is protected by host lock */ in ata_scsi_remove_dev()
4619 sdev = dev->sdev; in ata_scsi_remove_dev()
4620 dev->sdev = NULL; in ata_scsi_remove_dev()
4640 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_remove_dev()
4641 mutex_unlock(&ap->scsi_host->scan_mutex); in ata_scsi_remove_dev()
4645 dev_name(&sdev->sdev_gendev)); in ata_scsi_remove_dev()
4654 struct ata_port *ap = link->ap; in ata_scsi_handle_link_detach()
4660 if (!(dev->flags & ATA_DFLAG_DETACHED)) in ata_scsi_handle_link_detach()
4663 spin_lock_irqsave(ap->lock, flags); in ata_scsi_handle_link_detach()
4664 dev->flags &= ~ATA_DFLAG_DETACHED; in ata_scsi_handle_link_detach()
4665 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_handle_link_detach()
4675 * ata_scsi_media_change_notify - send media change event
4678 * Tell the block layer to send a media change notification
4686 if (dev->sdev) in ata_scsi_media_change_notify()
4687 sdev_evt_send_simple(dev->sdev, SDEV_EVT_MEDIA_CHANGE, in ata_scsi_media_change_notify()
4692 * ata_scsi_hotplug - SCSI part of hotplug
4695 * Perform SCSI part of hotplug. It's executed from a separate
4698 * synchronized with hot plugging with a mutex.
4709 if (ap->pflags & ATA_PFLAG_UNLOADING) in ata_scsi_hotplug()
4712 mutex_lock(&ap->scsi_scan_mutex); in ata_scsi_hotplug()
4718 ata_scsi_handle_link_detach(&ap->link); in ata_scsi_hotplug()
4719 if (ap->pmp_link) in ata_scsi_hotplug()
4721 ata_scsi_handle_link_detach(&ap->pmp_link[i]); in ata_scsi_hotplug()
4726 mutex_unlock(&ap->scsi_scan_mutex); in ata_scsi_hotplug()
4730 * ata_scsi_user_scan - indication for user-initiated bus scan
4753 return -EINVAL; in ata_scsi_user_scan()
4757 return -EINVAL; in ata_scsi_user_scan()
4761 return -EINVAL; in ata_scsi_user_scan()
4765 spin_lock_irqsave(ap->lock, flags); in ata_scsi_user_scan()
4771 struct ata_eh_info *ehi = &link->eh_info; in ata_scsi_user_scan()
4772 ehi->probe_mask |= ATA_ALL_DEVICES; in ata_scsi_user_scan()
4773 ehi->action |= ATA_EH_RESET; in ata_scsi_user_scan()
4779 struct ata_eh_info *ehi = &dev->link->eh_info; in ata_scsi_user_scan()
4780 ehi->probe_mask |= 1 << dev->devno; in ata_scsi_user_scan()
4781 ehi->action |= ATA_EH_RESET; in ata_scsi_user_scan()
4783 rc = -EINVAL; in ata_scsi_user_scan()
4788 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_user_scan()
4791 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_user_scan()
4797 * ata_scsi_dev_rescan - initiate scsi_rescan_device()
4816 mutex_lock(&ap->scsi_scan_mutex); in ata_scsi_dev_rescan()
4817 spin_lock_irqsave(ap->lock, flags); in ata_scsi_dev_rescan()
4821 struct scsi_device *sdev = dev->sdev; in ata_scsi_dev_rescan()
4827 if (ap->pflags & ATA_PFLAG_SUSPENDED) in ata_scsi_dev_rescan()
4835 do_resume = dev->flags & ATA_DFLAG_RESUMING; in ata_scsi_dev_rescan()
4837 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_dev_rescan()
4840 if (ret == -EWOULDBLOCK) in ata_scsi_dev_rescan()
4842 dev->flags &= ~ATA_DFLAG_RESUMING; in ata_scsi_dev_rescan()
4846 spin_lock_irqsave(ap->lock, flags); in ata_scsi_dev_rescan()
4854 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_dev_rescan()
4856 mutex_unlock(&ap->scsi_scan_mutex); in ata_scsi_dev_rescan()
4858 /* Reschedule with a delay if scsi_rescan_device() returned an error */ in ata_scsi_dev_rescan()
4860 schedule_delayed_work(&ap->scsi_rescan_task, in ata_scsi_dev_rescan()