Lines Matching +full:bp +full:- +full:disabled +full:- +full:ports
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()
223 if (!(qc->flags & ATA_QCFLAG_RTF_FILLED)) { in ata_scsi_set_sense_information()
224 ata_dev_dbg(qc->dev, in ata_scsi_set_sense_information()
229 information = ata_tf_read_block(&qc->result_tf, qc->dev); in ata_scsi_set_sense_information()
233 scsi_set_sense_information(qc->scsicmd->sense_buffer, in ata_scsi_set_sense_information()
238 * ata_scsi_set_passthru_sense_fields - Set ATA fields in sense buffer
239 * @qc: ATA PASS-THROUGH command.
249 struct ata_device *dev = qc->dev; in ata_scsi_set_passthru_sense_fields()
250 struct scsi_cmnd *cmd = qc->scsicmd; in ata_scsi_set_passthru_sense_fields()
251 struct ata_taskfile *tf = &qc->result_tf; in ata_scsi_set_passthru_sense_fields()
252 unsigned char *sb = cmd->sense_buffer; in ata_scsi_set_passthru_sense_fields()
254 if (!(qc->flags & ATA_QCFLAG_RTF_FILLED)) { in ata_scsi_set_passthru_sense_fields()
279 desc[3] = tf->error; in ata_scsi_set_passthru_sense_fields()
280 desc[5] = tf->nsect; in ata_scsi_set_passthru_sense_fields()
281 desc[7] = tf->lbal; in ata_scsi_set_passthru_sense_fields()
282 desc[9] = tf->lbam; in ata_scsi_set_passthru_sense_fields()
283 desc[11] = tf->lbah; in ata_scsi_set_passthru_sense_fields()
284 desc[12] = tf->device; in ata_scsi_set_passthru_sense_fields()
285 desc[13] = tf->status; in ata_scsi_set_passthru_sense_fields()
291 if (tf->flags & ATA_TFLAG_LBA48) { in ata_scsi_set_passthru_sense_fields()
293 desc[4] = tf->hob_nsect; in ata_scsi_set_passthru_sense_fields()
294 desc[6] = tf->hob_lbal; in ata_scsi_set_passthru_sense_fields()
295 desc[8] = tf->hob_lbam; in ata_scsi_set_passthru_sense_fields()
296 desc[10] = tf->hob_lbah; in ata_scsi_set_passthru_sense_fields()
301 sb[3] = tf->error; in ata_scsi_set_passthru_sense_fields()
302 sb[4] = tf->status; in ata_scsi_set_passthru_sense_fields()
303 sb[5] = tf->device; in ata_scsi_set_passthru_sense_fields()
304 sb[6] = tf->nsect; in ata_scsi_set_passthru_sense_fields()
305 if (tf->flags & ATA_TFLAG_LBA48) { in ata_scsi_set_passthru_sense_fields()
307 if (tf->hob_nsect) in ata_scsi_set_passthru_sense_fields()
309 if (tf->hob_lbal || tf->hob_lbam || tf->hob_lbah) in ata_scsi_set_passthru_sense_fields()
312 sb[9] = tf->lbal; in ata_scsi_set_passthru_sense_fields()
313 sb[10] = tf->lbam; in ata_scsi_set_passthru_sense_fields()
314 sb[11] = tf->lbah; in ata_scsi_set_passthru_sense_fields()
323 scsi_set_sense_field_pointer(cmd->sense_buffer, SCSI_SENSE_BUFFERSIZE, in ata_scsi_set_invalid_field()
332 scsi_set_sense_field_pointer(cmd->sense_buffer, SCSI_SENSE_BUFFERSIZE, in ata_scsi_set_invalid_parameter()
352 * ata_std_bios_param - generic bios head/sector/cylinder calculator used by sd.
382 * ata_scsi_unlock_native_capacity - unlock native capacity
393 struct ata_port *ap = ata_shost_to_port(sdev->host); in ata_scsi_unlock_native_capacity()
397 spin_lock_irqsave(ap->lock, flags); in ata_scsi_unlock_native_capacity()
400 if (dev && dev->n_sectors < dev->n_native_sectors) { in ata_scsi_unlock_native_capacity()
401 dev->flags |= ATA_DFLAG_UNLOCK_HPA; in ata_scsi_unlock_native_capacity()
402 dev->link->eh_info.action |= ATA_EH_RESET; in ata_scsi_unlock_native_capacity()
406 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_unlock_native_capacity()
412 * ata_get_identity - Handler for HDIO_GET_IDENTITY ioctl
431 return -ENOMSG; in ata_get_identity()
433 if (copy_to_user(dst, dev->id, ATA_ID_WORDS * sizeof(u16))) in ata_get_identity()
434 return -EFAULT; in ata_get_identity()
436 ata_id_string(dev->id, buf, ATA_ID_PROD, ATA_ID_PROD_LEN); in ata_get_identity()
438 return -EFAULT; in ata_get_identity()
440 ata_id_string(dev->id, buf, ATA_ID_FW_REV, ATA_ID_FW_REV_LEN); in ata_get_identity()
442 return -EFAULT; in ata_get_identity()
444 ata_id_string(dev->id, buf, ATA_ID_SERNO, ATA_ID_SERNO_LEN); in ata_get_identity()
446 return -EFAULT; in ata_get_identity()
452 * ata_cmd_ioctl - Handler for HDIO_DRIVE_CMD ioctl
478 return -EINVAL; in ata_cmd_ioctl()
481 return -EFAULT; in ata_cmd_ioctl()
490 rc = -ENOMEM; in ata_cmd_ioctl()
494 scsi_cmd[1] = (4 << 1); /* PIO Data-in */ in ata_cmd_ioctl()
498 scsi_cmd[1] = (3 << 1); /* Non-data */ in ata_cmd_ioctl()
505 if (args[0] == ATA_CMD_SMART) { /* hack -- ide driver does this too */ in ata_cmd_ioctl()
526 /* If we set cc then ATA pass-through will cause a in ata_cmd_ioctl()
541 rc = -EFAULT; in ata_cmd_ioctl()
547 rc = -EIO; in ata_cmd_ioctl()
553 rc = -EFAULT; in ata_cmd_ioctl()
560 * ata_task_ioctl - Handler for HDIO_DRIVE_TASK ioctl
585 return -EINVAL; in ata_task_ioctl()
588 return -EFAULT; in ata_task_ioctl()
593 scsi_cmd[1] = (3 << 1); /* Non-data */ in ata_task_ioctl()
614 /* If we set cc then ATA pass-through will cause a in ata_task_ioctl()
633 rc = -EFAULT; in ata_task_ioctl()
638 rc = -EIO; in ata_task_ioctl()
648 if (ap->flags & ATA_FLAG_PIO_DMA) in ata_ioc32()
650 if (ap->pflags & ATA_PFLAG_PIO32) in ata_ioc32()
663 int rc = -EINVAL; in ata_sas_scsi_ioctl()
668 spin_lock_irqsave(ap->lock, flags); in ata_sas_scsi_ioctl()
670 spin_unlock_irqrestore(ap->lock, flags); in ata_sas_scsi_ioctl()
680 spin_lock_irqsave(ap->lock, flags); in ata_sas_scsi_ioctl()
681 if (ap->pflags & ATA_PFLAG_PIO32CHANGE) { in ata_sas_scsi_ioctl()
683 ap->pflags |= ATA_PFLAG_PIO32; in ata_sas_scsi_ioctl()
685 ap->pflags &= ~ATA_PFLAG_PIO32; in ata_sas_scsi_ioctl()
688 rc = -EINVAL; in ata_sas_scsi_ioctl()
690 spin_unlock_irqrestore(ap->lock, flags); in ata_sas_scsi_ioctl()
698 return -EACCES; in ata_sas_scsi_ioctl()
703 return -EACCES; in ata_sas_scsi_ioctl()
707 rc = -ENOTTY; in ata_sas_scsi_ioctl()
718 return ata_sas_scsi_ioctl(ata_shost_to_port(scsidev->host), in ata_scsi_ioctl()
724 * ata_scsi_qc_new - acquire new ata_queued_cmd reference
732 * If a command was available, fill in the SCSI-specific
745 struct ata_port *ap = dev->link->ap; in ata_scsi_qc_new()
752 if (ap->flags & ATA_FLAG_SAS_HOST) { in ata_scsi_qc_new()
755 * unique per-device budget token as a tag. in ata_scsi_qc_new()
757 if (WARN_ON_ONCE(cmd->budget_token >= ATA_MAX_QUEUE)) in ata_scsi_qc_new()
759 tag = cmd->budget_token; in ata_scsi_qc_new()
761 tag = scsi_cmd_to_rq(cmd)->tag; in ata_scsi_qc_new()
765 qc->tag = qc->hw_tag = tag; in ata_scsi_qc_new()
766 qc->ap = ap; in ata_scsi_qc_new()
767 qc->dev = dev; in ata_scsi_qc_new()
771 qc->scsicmd = cmd; in ata_scsi_qc_new()
772 qc->scsidone = scsi_done; in ata_scsi_qc_new()
774 qc->sg = scsi_sglist(cmd); in ata_scsi_qc_new()
775 qc->n_elem = scsi_sg_count(cmd); in ata_scsi_qc_new()
777 if (scsi_cmd_to_rq(cmd)->rq_flags & RQF_QUIET) in ata_scsi_qc_new()
778 qc->flags |= ATA_QCFLAG_QUIET; in ata_scsi_qc_new()
791 struct scsi_cmnd *scmd = qc->scsicmd; in ata_qc_set_pc_nbytes()
793 qc->extrabytes = scmd->extra_len; in ata_qc_set_pc_nbytes()
794 qc->nbytes = scsi_bufflen(scmd) + qc->extrabytes; in ata_qc_set_pc_nbytes()
798 * ata_to_sense_error - convert ATA error to SCSI error
840 /* TRK0 - Track 0 not found */ in ata_to_sense_error()
847 /* SRV/IDNF - ID not found */ in ata_to_sense_error()
850 /* MC - Media Changed */ in ata_to_sense_error()
853 /* ECC - Uncorrectable ECC error */ in ata_to_sense_error()
856 /* BBD - block marked bad */ in ata_to_sense_error()
921 * ata_gen_passthru_sense - Generate check condition sense block.
929 * asc,ascq = ATA PASS-THROUGH INFORMATION AVAILABLE
937 struct ata_device *dev = qc->dev; in ata_gen_passthru_sense()
938 struct scsi_cmnd *cmd = qc->scsicmd; in ata_gen_passthru_sense()
939 struct ata_taskfile *tf = &qc->result_tf; in ata_gen_passthru_sense()
942 if (!(qc->flags & ATA_QCFLAG_RTF_FILLED)) { in ata_gen_passthru_sense()
952 if (qc->err_mask || in ata_gen_passthru_sense()
953 tf->status & (ATA_BUSY | ATA_DF | ATA_ERR | ATA_DRQ)) { in ata_gen_passthru_sense()
954 ata_to_sense_error(tf->status, tf->error, in ata_gen_passthru_sense()
956 ata_scsi_set_sense(qc->dev, cmd, sense_key, asc, ascq); in ata_gen_passthru_sense()
959 * ATA PASS-THROUGH INFORMATION AVAILABLE in ata_gen_passthru_sense()
975 * ata_gen_ata_sense - generate a SCSI fixed sense block
985 struct ata_device *dev = qc->dev; in ata_gen_ata_sense()
986 struct scsi_cmnd *cmd = qc->scsicmd; in ata_gen_ata_sense()
987 struct ata_taskfile *tf = &qc->result_tf; in ata_gen_ata_sense()
991 /* Device disabled after error recovery */ in ata_gen_ata_sense()
997 if (!(qc->flags & ATA_QCFLAG_RTF_FILLED)) { 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(tf->status, tf->error, in ata_gen_ata_sense()
1014 tf->status, qc->err_mask); in ata_gen_ata_sense()
1022 sdev->use_10_for_rw = 1; in ata_scsi_sdev_config()
1023 sdev->use_10_for_ms = 1; in ata_scsi_sdev_config()
1024 sdev->no_write_same = 1; in ata_scsi_sdev_config()
1026 /* Schedule policy is determined by ->qc_defer() callback and in ata_scsi_sdev_config()
1031 sdev->max_device_blocked = 1; in ata_scsi_sdev_config()
1035 * ata_scsi_dma_need_drain - Check whether data transfer may overflow
1053 return atapi_cmd_type(scmd->cmnd[0]) == ATAPI_MISC; in ata_scsi_dma_need_drain()
1062 if (!ata_id_has_unload(dev->id)) in ata_scsi_dev_config()
1063 dev->flags |= ATA_DFLAG_NO_UNLOAD; in ata_scsi_dev_config()
1066 dev->max_sectors = min(dev->max_sectors, sdev->host->max_sectors); in ata_scsi_dev_config()
1067 lim->max_hw_sectors = dev->max_sectors; in ata_scsi_dev_config()
1069 if (dev->class == ATA_DEV_ATAPI) { in ata_scsi_dev_config()
1070 sdev->sector_size = ATA_SECT_SIZE; in ata_scsi_dev_config()
1073 lim->dma_pad_mask = ATA_DMA_PAD_SZ - 1; in ata_scsi_dev_config()
1076 lim->max_segments--; in ata_scsi_dev_config()
1078 sdev->dma_drain_len = ATAPI_MAX_DRAIN; in ata_scsi_dev_config()
1079 sdev->dma_drain_buf = kmalloc(sdev->dma_drain_len, GFP_NOIO); in ata_scsi_dev_config()
1080 if (!sdev->dma_drain_buf) { in ata_scsi_dev_config()
1082 return -ENOMEM; in ata_scsi_dev_config()
1085 sdev->sector_size = ata_id_logical_sector_size(dev->id); in ata_scsi_dev_config()
1096 sdev->manage_runtime_start_stop = 1; in ata_scsi_dev_config()
1097 sdev->manage_shutdown = 1; in ata_scsi_dev_config()
1098 sdev->force_runtime_start_on_system_start = 1; in ata_scsi_dev_config()
1108 if (sdev->sector_size > PAGE_SIZE) in ata_scsi_dev_config()
1111 sdev->sector_size); in ata_scsi_dev_config()
1113 lim->dma_alignment = sdev->sector_size - 1; in ata_scsi_dev_config()
1115 if (dev->flags & ATA_DFLAG_AN) in ata_scsi_dev_config()
1116 set_bit(SDEV_EVT_MEDIA_CHANGE, sdev->supported_events); in ata_scsi_dev_config()
1119 depth = min(sdev->host->can_queue, ata_id_queue_depth(dev->id)); in ata_scsi_dev_config()
1123 if (dev->flags & ATA_DFLAG_TRUSTED) in ata_scsi_dev_config()
1124 sdev->security_supported = 1; in ata_scsi_dev_config()
1126 dev->sdev = sdev; in ata_scsi_dev_config()
1131 * ata_scsi_sdev_init - Early setup of SCSI device
1143 struct ata_port *ap = ata_shost_to_port(sdev->host); in ata_scsi_sdev_init()
1153 link = device_link_add(&sdev->sdev_gendev, &ap->tdev, in ata_scsi_sdev_init()
1158 dev_name(&sdev->sdev_gendev)); in ata_scsi_sdev_init()
1159 return -ENODEV; in ata_scsi_sdev_init()
1167 * ata_scsi_sdev_configure - Set SCSI device attributes
1173 * SCSI mid-layer behaviors.
1181 struct ata_port *ap = ata_shost_to_port(sdev->host); in ata_scsi_sdev_configure()
1192 * ata_scsi_sdev_destroy - SCSI device is about to be destroyed
1197 * dev->sdev, this function doesn't have to do anything.
1198 * Otherwise, SCSI layer initiated warm-unplug is in progress.
1199 * Clear dev->sdev, schedule the device for ATA detach and invoke
1207 struct ata_port *ap = ata_shost_to_port(sdev->host); in ata_scsi_sdev_destroy()
1211 device_link_remove(&sdev->sdev_gendev, &ap->tdev); in ata_scsi_sdev_destroy()
1213 spin_lock_irqsave(ap->lock, flags); in ata_scsi_sdev_destroy()
1215 if (dev && dev->sdev) { in ata_scsi_sdev_destroy()
1217 dev->sdev = NULL; in ata_scsi_sdev_destroy()
1218 dev->flags |= ATA_DFLAG_DETACH; in ata_scsi_sdev_destroy()
1221 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_sdev_destroy()
1223 kfree(sdev->dma_drain_buf); in ata_scsi_sdev_destroy()
1228 * ata_scsi_start_stop_xlat - Translate SCSI START STOP UNIT command
1240 * Zero on success, non-zero on error.
1244 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_start_stop_xlat()
1245 const u8 *cdb = scmd->cmnd; in ata_scsi_start_stop_xlat()
1247 u8 bp = 0xff; in ata_scsi_start_stop_xlat() local
1249 if (scmd->cmd_len < 5) { in ata_scsi_start_stop_xlat()
1257 bp = 1; in ata_scsi_start_stop_xlat()
1264 bp = 3; in ata_scsi_start_stop_xlat()
1268 /* Ignore IMMED bit (cdb[1] & 0x1), violates sat-r05 */ in ata_scsi_start_stop_xlat()
1269 if (!ata_dev_power_init_tf(qc->dev, &qc->tf, cdb[4] & 0x1)) { in ata_scsi_start_stop_xlat()
1270 ata_scsi_set_sense(qc->dev, scmd, ABORTED_COMMAND, 0, 0); in ata_scsi_start_stop_xlat()
1284 ata_scsi_set_invalid_field(qc->dev, scmd, fp, bp); in ata_scsi_start_stop_xlat()
1289 * ata_scsi_flush_xlat - Translate SCSI SYNCHRONIZE CACHE command
1299 * Zero on success, non-zero on error.
1303 struct ata_taskfile *tf = &qc->tf; in ata_scsi_flush_xlat()
1305 tf->flags |= ATA_TFLAG_DEVICE; in ata_scsi_flush_xlat()
1306 tf->protocol = ATA_PROT_NODATA; in ata_scsi_flush_xlat()
1308 if (qc->dev->flags & ATA_DFLAG_FLUSH_EXT) in ata_scsi_flush_xlat()
1309 tf->command = ATA_CMD_FLUSH_EXT; in ata_scsi_flush_xlat()
1311 tf->command = ATA_CMD_FLUSH; in ata_scsi_flush_xlat()
1314 qc->flags |= ATA_QCFLAG_IO; in ata_scsi_flush_xlat()
1320 * scsi_6_lba_len - Get LBA and transfer length
1323 * Calculate LBA and transfer length for 6-byte commands.
1336 * scsi_10_lba_len - Get LBA and transfer length
1339 * Calculate LBA and transfer length for 10-byte commands.
1352 * scsi_16_lba_len - Get LBA and transfer length
1355 * Calculate LBA and transfer length for 16-byte commands.
1368 * scsi_dld - Get duration limit descriptor index
1380 * ata_scsi_verify_xlat - Translate SCSI VERIFY command into an ATA one
1389 * Zero on success, non-zero on error.
1393 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_verify_xlat()
1394 struct ata_taskfile *tf = &qc->tf; in ata_scsi_verify_xlat()
1395 struct ata_device *dev = qc->dev; in ata_scsi_verify_xlat()
1396 u64 dev_sectors = qc->dev->n_sectors; in ata_scsi_verify_xlat()
1397 const u8 *cdb = scmd->cmnd; in ata_scsi_verify_xlat()
1402 tf->flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE; in ata_scsi_verify_xlat()
1403 tf->protocol = ATA_PROT_NODATA; in ata_scsi_verify_xlat()
1407 if (scmd->cmd_len < 10) { in ata_scsi_verify_xlat()
1414 if (scmd->cmd_len < 16) { in ata_scsi_verify_xlat()
1432 if (dev->flags & ATA_DFLAG_LBA) { in ata_scsi_verify_xlat()
1433 tf->flags |= ATA_TFLAG_LBA; in ata_scsi_verify_xlat()
1437 tf->command = ATA_CMD_VERIFY; in ata_scsi_verify_xlat()
1438 tf->device |= (block >> 24) & 0xf; in ata_scsi_verify_xlat()
1440 if (!(dev->flags & ATA_DFLAG_LBA48)) in ata_scsi_verify_xlat()
1444 tf->flags |= ATA_TFLAG_LBA48; in ata_scsi_verify_xlat()
1445 tf->command = ATA_CMD_VERIFY_EXT; in ata_scsi_verify_xlat()
1447 tf->hob_nsect = (n_block >> 8) & 0xff; in ata_scsi_verify_xlat()
1449 tf->hob_lbah = (block >> 40) & 0xff; in ata_scsi_verify_xlat()
1450 tf->hob_lbam = (block >> 32) & 0xff; in ata_scsi_verify_xlat()
1451 tf->hob_lbal = (block >> 24) & 0xff; in ata_scsi_verify_xlat()
1456 tf->nsect = n_block & 0xff; in ata_scsi_verify_xlat()
1458 tf->lbah = (block >> 16) & 0xff; in ata_scsi_verify_xlat()
1459 tf->lbam = (block >> 8) & 0xff; in ata_scsi_verify_xlat()
1460 tf->lbal = block & 0xff; in ata_scsi_verify_xlat()
1462 tf->device |= ATA_LBA; in ata_scsi_verify_xlat()
1471 track = (u32)block / dev->sectors; in ata_scsi_verify_xlat()
1472 cyl = track / dev->heads; in ata_scsi_verify_xlat()
1473 head = track % dev->heads; in ata_scsi_verify_xlat()
1474 sect = (u32)block % dev->sectors + 1; in ata_scsi_verify_xlat()
1477 Cylinder: 0-65535 in ata_scsi_verify_xlat()
1478 Head: 0-15 in ata_scsi_verify_xlat()
1479 Sector: 1-255*/ in ata_scsi_verify_xlat()
1483 tf->command = ATA_CMD_VERIFY; in ata_scsi_verify_xlat()
1484 tf->nsect = n_block & 0xff; /* Sector count 0 means 256 sectors */ in ata_scsi_verify_xlat()
1485 tf->lbal = sect; in ata_scsi_verify_xlat()
1486 tf->lbam = cyl; in ata_scsi_verify_xlat()
1487 tf->lbah = cyl >> 8; in ata_scsi_verify_xlat()
1488 tf->device |= head; in ata_scsi_verify_xlat()
1494 ata_scsi_set_invalid_field(qc->dev, scmd, fp, 0xff); in ata_scsi_verify_xlat()
1498 ata_scsi_set_sense(qc->dev, scmd, ILLEGAL_REQUEST, 0x21, 0x0); in ata_scsi_verify_xlat()
1503 scmd->result = SAM_STAT_GOOD; in ata_scsi_verify_xlat()
1515 req_blocks = blk_rq_bytes(rq) / scmd->device->sector_size; in ata_check_nblocks()
1523 * ata_scsi_rw_xlat - Translate SCSI r/w command into an ATA one
1538 * Zero on success, non-zero on error.
1542 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_rw_xlat()
1543 const u8 *cdb = scmd->cmnd; in ata_scsi_rw_xlat()
1565 if (unlikely(scmd->cmd_len < 10)) { in ata_scsi_rw_xlat()
1577 if (unlikely(scmd->cmd_len < 6)) { in ata_scsi_rw_xlat()
1583 /* for 6-byte r/w commands, transfer length 0 in ata_scsi_rw_xlat()
1593 if (unlikely(scmd->cmd_len < 16)) { in ata_scsi_rw_xlat()
1611 /* For 10-byte and 16-byte SCSI R/W commands, transfer in ata_scsi_rw_xlat()
1620 qc->flags |= ATA_QCFLAG_IO; in ata_scsi_rw_xlat()
1621 qc->nbytes = n_block * scmd->device->sector_size; in ata_scsi_rw_xlat()
1627 if (rc == -ERANGE) in ata_scsi_rw_xlat()
1629 /* treat all other errors as -EINVAL, fall through */ in ata_scsi_rw_xlat()
1631 ata_scsi_set_invalid_field(qc->dev, scmd, fp, 0xff); in ata_scsi_rw_xlat()
1635 ata_scsi_set_sense(qc->dev, scmd, ILLEGAL_REQUEST, 0x21, 0x0); in ata_scsi_rw_xlat()
1640 scmd->result = SAM_STAT_GOOD; in ata_scsi_rw_xlat()
1646 struct scsi_cmnd *cmd = qc->scsicmd; in ata_qc_done()
1647 void (*done)(struct scsi_cmnd *) = qc->scsidone; in ata_qc_done()
1655 struct scsi_cmnd *cmd = qc->scsicmd; in ata_scsi_qc_complete()
1656 u8 *cdb = cmd->cmnd; in ata_scsi_qc_complete()
1657 bool have_sense = qc->flags & ATA_QCFLAG_SENSE_VALID; in ata_scsi_qc_complete()
1660 bool is_error = qc->err_mask != 0; in ata_scsi_qc_complete()
1669 * asc,ascq = ATA PASS-THROUGH INFORMATION AVAILABLE in ata_scsi_qc_complete()
1676 set_status_byte(qc->scsicmd, SAM_STAT_CHECK_CONDITION); in ata_scsi_qc_complete()
1687 * ata_scsi_translate - Translate then issue SCSI command to ATA device
1692 * Our ->queuecommand() function has decided that the SCSI
1701 * then cmd->result (and possibly cmd->sense_buffer) are assumed
1715 struct ata_port *ap = dev->link->ap; in ata_scsi_translate()
1723 /* data is present; dma-map it */ in ata_scsi_translate()
1724 if (cmd->sc_data_direction == DMA_FROM_DEVICE || in ata_scsi_translate()
1725 cmd->sc_data_direction == DMA_TO_DEVICE) { in ata_scsi_translate()
1733 qc->dma_dir = cmd->sc_data_direction; in ata_scsi_translate()
1736 qc->complete_fn = ata_scsi_qc_complete; in ata_scsi_translate()
1741 if (ap->ops->qc_defer) { in ata_scsi_translate()
1742 if ((rc = ap->ops->qc_defer(qc))) in ata_scsi_translate()
1758 cmd->result = (DID_ERROR << 16); in ata_scsi_translate()
1772 * ata_scsi_rbuf_fill - wrapper for SCSI command simulators
1781 * completed successfully (0), or not (in which case cmd->result
1801 cmd->result = SAM_STAT_GOOD; in ata_scsi_rbuf_fill()
1803 scsi_set_resid(cmd, scsi_bufflen(cmd) - len); in ata_scsi_rbuf_fill()
1810 * ata_scsiop_inq_std - Simulate standard INQUIRY command
1816 * with non-VPD INQUIRY command output.
1826 0x60, /* SAM-3 (no version claimed) */ in ata_scsiop_inq_std()
1829 0x20, /* SBC-2 (no version claimed) */ in ata_scsiop_inq_std()
1832 0x00 /* SPC-3 (no version claimed) */ in ata_scsiop_inq_std()
1836 0xA0, /* SAM-5 (no version claimed) */ in ata_scsiop_inq_std()
1839 0x00, /* SBC-4 (no version claimed) */ in ata_scsiop_inq_std()
1842 0xC0, /* SPC-5 (no version claimed) */ in ata_scsiop_inq_std()
1851 0x5, /* claim SPC-3 version compatibility */ in ata_scsiop_inq_std()
1853 95 - 4, in ata_scsiop_inq_std()
1861 * device bit (obsolete since ATA-8 ACS) is set. in ata_scsiop_inq_std()
1863 if (ata_id_removable(dev->id)) in ata_scsiop_inq_std()
1866 if (dev->class == ATA_DEV_ZAC) { in ata_scsiop_inq_std()
1868 hdr[2] = 0x7; /* claim SPC-5 version compatibility */ in ata_scsiop_inq_std()
1871 if (dev->flags & ATA_DFLAG_CDL) in ata_scsiop_inq_std()
1872 hdr[2] = 0xd; /* claim SPC-6 version compatibility */ in ata_scsiop_inq_std()
1876 ata_id_string(dev->id, &rbuf[16], ATA_ID_PROD, 16); in ata_scsiop_inq_std()
1879 ata_id_string(dev->id, &rbuf[32], ATA_ID_FW_REV + 2, 4); in ata_scsiop_inq_std()
1881 ata_id_string(dev->id, &rbuf[32], ATA_ID_FW_REV, 4); in ata_scsiop_inq_std()
1886 if (ata_id_zoned_cap(dev->id) || dev->class == ATA_DEV_ZAC) in ata_scsiop_inq_std()
1899 * ata_scsiop_inq_00 - Simulate INQUIRY VPD page 0, list of pages
1937 * ata_scsiop_inq_80 - Simulate INQUIRY VPD page 80, device serial number
1958 ata_id_string(dev->id, (unsigned char *) &rbuf[4], in ata_scsiop_inq_80()
1965 * ata_scsiop_inq_83 - Simulate INQUIRY VPD page 83, device identity
1971 * - vendor specific ASCII containing the ATA serial number
1972 * - SAT defined "t10 vendor id based" containing ASCII vendor
1991 ata_id_string(dev->id, (unsigned char *) rbuf + num, in ata_scsiop_inq_83()
2003 ata_id_string(dev->id, (unsigned char *) rbuf + num, ATA_ID_PROD, in ata_scsiop_inq_83()
2006 ata_id_string(dev->id, (unsigned char *) rbuf + num, ATA_ID_SERNO, in ata_scsiop_inq_83()
2010 if (ata_id_has_wwn(dev->id)) { in ata_scsiop_inq_83()
2017 ata_id_string(dev->id, (unsigned char *) rbuf + num, in ata_scsiop_inq_83()
2021 rbuf[3] = num - 4; /* page len (assume less than 256 bytes) */ in ata_scsiop_inq_83()
2027 * ata_scsiop_inq_89 - Simulate INQUIRY VPD page 89, ATA info
2032 * Yields SAT-specified ATA VPD page.
2059 memcpy(&rbuf[60], &dev->id[0], 512); in ata_scsiop_inq_89()
2065 * ata_scsiop_inq_b0 - Simulate INQUIRY VPD page B0, Block Limits
2090 min_io_sectors = 1 << ata_id_log2_per_physical_sector(dev->id); in ata_scsiop_inq_b0()
2099 * that we support some form of unmap - in thise case via WRITE SAME in ata_scsiop_inq_b0()
2102 if (ata_id_has_trim(dev->id)) { in ata_scsiop_inq_b0()
2105 if (dev->quirks & ATA_QUIRK_MAX_TRIM_128M) in ata_scsiop_inq_b0()
2106 max_blocks = 128 << (20 - SECTOR_SHIFT); in ata_scsiop_inq_b0()
2116 * ata_scsiop_inq_b1 - Simulate INQUIRY VPD page B1, Block Device
2130 int form_factor = ata_id_form_factor(dev->id); in ata_scsiop_inq_b1()
2131 int media_rotation_rate = ata_id_rotation_rate(dev->id); in ata_scsiop_inq_b1()
2132 u8 zoned = ata_id_zoned_cap(dev->id); in ata_scsiop_inq_b1()
2146 * ata_scsiop_inq_b2 - Simulate INQUIRY VPD page B2, Logical Block
2160 /* SCSI Thin Provisioning VPD page: SBC-3 rev 22 or later */ in ata_scsiop_inq_b2()
2169 * ata_scsiop_inq_b6 - Simulate INQUIRY VPD page B6, Zoned Block Device
2189 * zbc-r05 SCSI Zoned Block device characteristics VPD page in ata_scsiop_inq_b6()
2195 * URSWRZ bit is only meaningful for host-managed ZAC drives in ata_scsiop_inq_b6()
2197 if (dev->zac_zoned_cap & 1) in ata_scsiop_inq_b6()
2199 put_unaligned_be32(dev->zac_zones_optimal_open, &rbuf[8]); in ata_scsiop_inq_b6()
2200 put_unaligned_be32(dev->zac_zones_optimal_nonseq, &rbuf[12]); in ata_scsiop_inq_b6()
2201 put_unaligned_be32(dev->zac_zones_max_open, &rbuf[16]); in ata_scsiop_inq_b6()
2207 * ata_scsiop_inq_b9 - Simulate INQUIRY VPD page B9, Concurrent Positioning
2221 struct ata_cpr_log *cpr_log = dev->cpr_log; in ata_scsiop_inq_b9()
2230 /* SCSI Concurrent Positioning Ranges VPD page: SBC-5 rev 1 or later */ in ata_scsiop_inq_b9()
2232 put_unaligned_be16(64 + (int)cpr_log->nr_cpr * 32 - 4, &rbuf[2]); in ata_scsiop_inq_b9()
2234 for (i = 0; i < cpr_log->nr_cpr; i++, desc += 32) { in ata_scsiop_inq_b9()
2235 desc[0] = cpr_log->cpr[i].num; in ata_scsiop_inq_b9()
2236 desc[1] = cpr_log->cpr[i].num_storage_elements; in ata_scsiop_inq_b9()
2237 put_unaligned_be64(cpr_log->cpr[i].start_lba, &desc[8]); in ata_scsiop_inq_b9()
2238 put_unaligned_be64(cpr_log->cpr[i].num_lbas, &desc[16]); in ata_scsiop_inq_b9()
2245 * ata_scsiop_inquiry - Simulate INQUIRY command
2258 const u8 *scsicmd = cmd->cmnd; in ata_scsiop_inquiry()
2296 * modecpy - Prepare response for MODE SENSE
2312 memset(dest + 2, 0, n - 2); in modecpy()
2319 * ata_msense_caching - Simulate MODE SENSE caching info page
2344 * Simulate MODE SENSE control mode page, sub-page 0.
2355 bool d_sense = (dev->flags & ATA_DFLAG_D_SENSE); in ata_msense_control_spg0()
2366 * using the t2cdlunits 0xa (10ms). Since the SCSI duration limits are 2-bytes
2377 * Simulate MODE SENSE control mode page, sub-pages 07h and 08h
2387 if (!(dev->flags & ATA_DFLAG_CDL) || !dev->cdl) in ata_msense_control_spgt2()
2390 cdl = dev->cdl->desc_log_buf; in ata_msense_control_spgt2()
2399 put_unaligned_be16(CDL_T2_SUB_MPAGE_LEN - 4, &buf[2]); in ata_msense_control_spgt2()
2436 * Simulate MODE SENSE control mode page, sub-page f2h
2450 put_unaligned_be16(ATA_FEATURE_SUB_MPAGE_LEN - 4, &buf[2]); in ata_msense_control_ata_feature()
2452 if (dev->flags & ATA_DFLAG_CDL_ENABLED) in ata_msense_control_ata_feature()
2461 * ata_msense_control - Simulate MODE SENSE control mode page
2464 * @spg: sub-page code
2497 * ata_msense_rw_recovery - Simulate MODE SENSE r/w error recovery page
2514 * ata_scsiop_mode_sense - Simulate MODE SENSE 6, 10 commands
2529 u8 *scsicmd = cmd->cmnd, *p = rbuf; in ata_scsiop_mode_sense()
2537 u8 dpofua = 0, bp = 0xff; in ata_scsiop_mode_sense() local
2556 bp = 6; in ata_scsiop_mode_sense()
2569 * Supported subpages: all subpages and sub-pages 07h, 08h and f2h of in ata_scsiop_mode_sense()
2579 if (dev->flags & ATA_DFLAG_CDL && pg == CONTROL_MPAGE) in ata_scsiop_mode_sense()
2594 p += ata_msense_caching(dev->id, p, page_control == 1); in ata_scsiop_mode_sense()
2603 p += ata_msense_caching(dev->id, p, page_control == 1); in ata_scsiop_mode_sense()
2612 if (dev->flags & ATA_DFLAG_FUA) in ata_scsiop_mode_sense()
2616 rbuf[0] = p - rbuf - 1; in ata_scsiop_mode_sense()
2626 put_unaligned_be16(p - rbuf - 2, &rbuf[0]); in ata_scsiop_mode_sense()
2636 ata_scsi_set_invalid_field(dev, cmd, fp, bp); in ata_scsiop_mode_sense()
2646 * ata_scsiop_read_cap - Simulate READ CAPACITY[ 16] commands
2659 u8 *scsicmd = cmd->cmnd; in ata_scsiop_read_cap()
2660 u64 last_lba = dev->n_sectors - 1; /* LBA of the last block */ in ata_scsiop_read_cap()
2665 sector_size = ata_id_logical_sector_size(dev->id); in ata_scsiop_read_cap()
2666 log2_per_phys = ata_id_log2_per_physical_sector(dev->id); in ata_scsiop_read_cap()
2667 lowest_aligned = ata_id_logical_sector_offset(dev->id, log2_per_phys); in ata_scsiop_read_cap()
2673 /* sector count, 32-bit */ in ata_scsiop_read_cap()
2698 /* sector count, 64-bit */ in ata_scsiop_read_cap()
2714 if (ata_id_zoned_cap(dev->id) || dev->class == ATA_DEV_ZAC) in ata_scsiop_read_cap()
2720 if (ata_id_has_trim(dev->id) && !(dev->quirks & ATA_QUIRK_NOTRIM)) { in ata_scsiop_read_cap()
2723 if (ata_id_has_zero_after_trim(dev->id) && in ata_scsiop_read_cap()
2724 dev->quirks & ATA_QUIRK_ZERO_AFTER_TRIM) { in ata_scsiop_read_cap()
2734 * ata_scsiop_report_luns - Simulate REPORT LUNS command
2756 * 1) Fake MMC-5 version, to indicate to the Linux scsi midlayer this is a
2774 struct scsi_cmnd *cmd = qc->scsicmd; in atapi_qc_complete()
2775 unsigned int err_mask = qc->err_mask; in atapi_qc_complete()
2778 if (unlikely(err_mask || qc->flags & ATA_QCFLAG_SENSE_VALID)) { in atapi_qc_complete()
2780 if (!(qc->flags & ATA_QCFLAG_SENSE_VALID)) in atapi_qc_complete()
2783 /* SCSI EH automatically locks door if sdev->locked is in atapi_qc_complete()
2786 * creates a loop - SCSI EH issues door lock which in atapi_qc_complete()
2790 * If door lock fails, always clear sdev->locked to in atapi_qc_complete()
2794 * sure qc->dev->sdev isn't NULL before dereferencing. in atapi_qc_complete()
2796 if (qc->cdb[0] == ALLOW_MEDIUM_REMOVAL && qc->dev->sdev) in atapi_qc_complete()
2797 qc->dev->sdev->locked = 0; in atapi_qc_complete()
2799 qc->scsicmd->result = SAM_STAT_CHECK_CONDITION; in atapi_qc_complete()
2805 if (cmd->cmnd[0] == INQUIRY && (cmd->cmnd[1] & 0x03) == 0) in atapi_qc_complete()
2807 cmd->result = SAM_STAT_GOOD; in atapi_qc_complete()
2812 * atapi_xlat - Initialize PACKET taskfile
2819 * Zero on success, non-zero on failure.
2823 struct scsi_cmnd *scmd = qc->scsicmd; in atapi_xlat()
2824 struct ata_device *dev = qc->dev; in atapi_xlat()
2825 int nodata = (scmd->sc_data_direction == DMA_NONE); in atapi_xlat()
2826 int using_pio = !nodata && (dev->flags & ATA_DFLAG_PIO); in atapi_xlat()
2829 memset(qc->cdb, 0, dev->cdb_len); in atapi_xlat()
2830 memcpy(qc->cdb, scmd->cmnd, scmd->cmd_len); in atapi_xlat()
2832 qc->complete_fn = atapi_qc_complete; in atapi_xlat()
2834 qc->tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE; in atapi_xlat()
2835 if (scmd->sc_data_direction == DMA_TO_DEVICE) { in atapi_xlat()
2836 qc->tf.flags |= ATA_TFLAG_WRITE; in atapi_xlat()
2839 qc->tf.command = ATA_CMD_PACKET; in atapi_xlat()
2880 qc->tf.lbam = (nbytes & 0xFF); in atapi_xlat()
2881 qc->tf.lbah = (nbytes >> 8); in atapi_xlat()
2884 qc->tf.protocol = ATAPI_PROT_NODATA; in atapi_xlat()
2886 qc->tf.protocol = ATAPI_PROT_PIO; in atapi_xlat()
2889 qc->tf.protocol = ATAPI_PROT_DMA; in atapi_xlat()
2890 qc->tf.feature |= ATAPI_PKT_DMA; in atapi_xlat()
2892 if ((dev->flags & ATA_DFLAG_DMADIR) && in atapi_xlat()
2893 (scmd->sc_data_direction != DMA_TO_DEVICE)) in atapi_xlat()
2895 qc->tf.feature |= ATAPI_DMADIR; in atapi_xlat()
2907 * For the non-PMP case, ata_link_max_devices() returns 1 (SATA case), in ata_find_dev()
2915 int link_max_devices = ata_link_max_devices(&ap->link); in ata_find_dev()
2918 return &ap->link.device[0]; in ata_find_dev()
2921 return &ap->link.device[devno]; in ata_find_dev()
2927 * For PMP-attached devices, the device number corresponds to C in ata_find_dev()
2931 if (devno < ap->nr_pmp_links) in ata_find_dev()
2932 return &ap->pmp_link[devno].device[0]; in ata_find_dev()
2944 if (unlikely(scsidev->channel || scsidev->lun)) in __ata_scsi_find_dev()
2946 devno = scsidev->id; in __ata_scsi_find_dev()
2948 if (unlikely(scsidev->id || scsidev->lun)) in __ata_scsi_find_dev()
2950 devno = scsidev->channel; in __ata_scsi_find_dev()
2957 * ata_scsi_find_dev - lookup ata_device from scsi_cmnd
2984 * ata_scsi_map_proto - Map pass-thru protocol value to taskfile value.
2985 * @byte1: Byte 1 from pass-thru CDB.
2994 case 3: /* Non-data */ in ata_scsi_map_proto()
2998 case 10: /* UDMA Data-in */ in ata_scsi_map_proto()
2999 case 11: /* UDMA Data-Out */ in ata_scsi_map_proto()
3002 case 4: /* PIO Data-in */ in ata_scsi_map_proto()
3003 case 5: /* PIO Data-out */ in ata_scsi_map_proto()
3023 * ata_scsi_pass_thru - convert ATA pass-thru CDB to taskfile
3026 * Handles either 12, 16, or 32-byte versions of the CDB.
3029 * Zero on success, non-zero on failure.
3033 struct ata_taskfile *tf = &(qc->tf); in ata_scsi_pass_thru()
3034 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_pass_thru()
3035 struct ata_device *dev = qc->dev; in ata_scsi_pass_thru()
3036 const u8 *cdb = scmd->cmnd; in ata_scsi_pass_thru()
3040 /* 7Fh variable length cmd means a ata pass-thru(32) */ in ata_scsi_pass_thru()
3044 tf->protocol = ata_scsi_map_proto(cdb[1 + cdb_offset]); in ata_scsi_pass_thru()
3045 if (tf->protocol == ATA_PROT_UNKNOWN) { in ata_scsi_pass_thru()
3055 if (scmd->sc_data_direction != DMA_NONE) { in ata_scsi_pass_thru()
3060 if (ata_is_ncq(tf->protocol)) in ata_scsi_pass_thru()
3061 tf->protocol = ATA_PROT_NCQ_NODATA; in ata_scsi_pass_thru()
3065 tf->flags |= ATA_TFLAG_LBA; in ata_scsi_pass_thru()
3074 * 16-byte CDB - may contain extended commands. in ata_scsi_pass_thru()
3079 tf->hob_feature = cdb[3]; in ata_scsi_pass_thru()
3080 tf->hob_nsect = cdb[5]; in ata_scsi_pass_thru()
3081 tf->hob_lbal = cdb[7]; in ata_scsi_pass_thru()
3082 tf->hob_lbam = cdb[9]; in ata_scsi_pass_thru()
3083 tf->hob_lbah = cdb[11]; in ata_scsi_pass_thru()
3084 tf->flags |= ATA_TFLAG_LBA48; in ata_scsi_pass_thru()
3086 tf->flags &= ~ATA_TFLAG_LBA48; in ata_scsi_pass_thru()
3091 tf->feature = cdb[4]; in ata_scsi_pass_thru()
3092 tf->nsect = cdb[6]; in ata_scsi_pass_thru()
3093 tf->lbal = cdb[8]; in ata_scsi_pass_thru()
3094 tf->lbam = cdb[10]; in ata_scsi_pass_thru()
3095 tf->lbah = cdb[12]; in ata_scsi_pass_thru()
3096 tf->device = cdb[13]; in ata_scsi_pass_thru()
3097 tf->command = cdb[14]; in ata_scsi_pass_thru()
3101 * 12-byte CDB - incapable of extended commands. in ata_scsi_pass_thru()
3103 tf->flags &= ~ATA_TFLAG_LBA48; in ata_scsi_pass_thru()
3105 tf->feature = cdb[3]; in ata_scsi_pass_thru()
3106 tf->nsect = cdb[4]; in ata_scsi_pass_thru()
3107 tf->lbal = cdb[5]; in ata_scsi_pass_thru()
3108 tf->lbam = cdb[6]; in ata_scsi_pass_thru()
3109 tf->lbah = cdb[7]; in ata_scsi_pass_thru()
3110 tf->device = cdb[8]; in ata_scsi_pass_thru()
3111 tf->command = cdb[9]; in ata_scsi_pass_thru()
3115 * 32-byte CDB - may contain extended command fields. in ata_scsi_pass_thru()
3120 tf->hob_feature = cdb[20]; in ata_scsi_pass_thru()
3121 tf->hob_nsect = cdb[22]; in ata_scsi_pass_thru()
3122 tf->hob_lbal = cdb[16]; in ata_scsi_pass_thru()
3123 tf->hob_lbam = cdb[15]; in ata_scsi_pass_thru()
3124 tf->hob_lbah = cdb[14]; in ata_scsi_pass_thru()
3125 tf->flags |= ATA_TFLAG_LBA48; in ata_scsi_pass_thru()
3127 tf->flags &= ~ATA_TFLAG_LBA48; in ata_scsi_pass_thru()
3129 tf->feature = cdb[21]; in ata_scsi_pass_thru()
3130 tf->nsect = cdb[23]; in ata_scsi_pass_thru()
3131 tf->lbal = cdb[19]; in ata_scsi_pass_thru()
3132 tf->lbam = cdb[18]; in ata_scsi_pass_thru()
3133 tf->lbah = cdb[17]; in ata_scsi_pass_thru()
3134 tf->device = cdb[24]; in ata_scsi_pass_thru()
3135 tf->command = cdb[25]; in ata_scsi_pass_thru()
3136 tf->auxiliary = get_unaligned_be32(&cdb[28]); in ata_scsi_pass_thru()
3141 if (ata_is_ncq(tf->protocol)) in ata_scsi_pass_thru()
3142 tf->nsect = qc->hw_tag << 3; in ata_scsi_pass_thru()
3145 tf->device = dev->devno ? in ata_scsi_pass_thru()
3146 tf->device | ATA_DEV1 : tf->device & ~ATA_DEV1; in ata_scsi_pass_thru()
3148 switch (tf->command) { in ata_scsi_pass_thru()
3149 /* READ/WRITE LONG use a non-standard sect_size */ in ata_scsi_pass_thru()
3154 if (tf->protocol != ATA_PROT_PIO || tf->nsect != 1) { in ata_scsi_pass_thru()
3158 qc->sect_size = scsi_bufflen(scmd); in ata_scsi_pass_thru()
3192 qc->sect_size = scmd->device->sector_size; in ata_scsi_pass_thru()
3197 qc->sect_size = ATA_SECT_SIZE; in ata_scsi_pass_thru()
3205 tf->flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE; in ata_scsi_pass_thru()
3206 if (scmd->sc_data_direction == DMA_TO_DEVICE) in ata_scsi_pass_thru()
3207 tf->flags |= ATA_TFLAG_WRITE; in ata_scsi_pass_thru()
3209 qc->flags |= ATA_QCFLAG_RESULT_TF | ATA_QCFLAG_QUIET; in ata_scsi_pass_thru()
3220 if (tf->protocol == ATA_PROT_DMA && !ata_dma_enabled(dev)) { in ata_scsi_pass_thru()
3226 if (ata_is_ncq(tf->protocol) && !ata_ncq_enabled(dev)) { in ata_scsi_pass_thru()
3243 if (multi_count != dev->multi_count) in ata_scsi_pass_thru()
3249 * Filter SET_FEATURES - XFER MODE command -- otherwise, in ata_scsi_pass_thru()
3250 * SET_FEATURES - XFER MODE must be preceded/succeeded in ata_scsi_pass_thru()
3251 * by an update to hardware-specific registers for each in ata_scsi_pass_thru()
3252 * controller (i.e. the reason for ->set_piomode(), in ata_scsi_pass_thru()
3253 * ->set_dmamode(), and ->post_set_mode() hooks). in ata_scsi_pass_thru()
3255 if (tf->command == ATA_CMD_SET_FEATURES && in ata_scsi_pass_thru()
3256 tf->feature == SETFEATURES_XFER) { in ata_scsi_pass_thru()
3276 if (tf->command >= 0x5C && tf->command <= 0x5F && !libata_allow_tpm) { in ata_scsi_pass_thru()
3289 * ata_format_dsm_trim_descr() - SATL Write Same to DSM Trim
3295 * Rewrite the WRITE SAME descriptor to be a DSM TRIM little-endian formatted
3312 struct scsi_device *sdp = cmd->device; in ata_format_dsm_trim_descr()
3313 size_t len = sdp->sector_size; in ata_format_dsm_trim_descr()
3333 count -= 0xffff; in ata_format_dsm_trim_descr()
3343 * ata_scsi_write_same_xlat() - SATL Write Same to ATA SCT Write Same
3350 * - When set translate to DSM TRIM
3351 * - When clear translate to SCT Write Same
3355 struct ata_taskfile *tf = &qc->tf; in ata_scsi_write_same_xlat()
3356 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_write_same_xlat()
3357 struct scsi_device *sdp = scmd->device; in ata_scsi_write_same_xlat()
3358 size_t len = sdp->sector_size; in ata_scsi_write_same_xlat()
3359 struct ata_device *dev = qc->dev; in ata_scsi_write_same_xlat()
3360 const u8 *cdb = scmd->cmnd; in ata_scsi_write_same_xlat()
3366 u8 bp = 0xff; in ata_scsi_write_same_xlat() local
3381 if (unlikely(scmd->cmd_len < 16)) { in ata_scsi_write_same_xlat()
3387 if (!unmap || (dev->quirks & ATA_QUIRK_NOTRIM) || in ata_scsi_write_same_xlat()
3388 !ata_id_has_trim(dev->id)) { in ata_scsi_write_same_xlat()
3390 bp = 3; in ata_scsi_write_same_xlat()
3408 * For DATA SET MANAGEMENT TRIM in ACS-2 nsect (aka count) in ata_scsi_write_same_xlat()
3418 tf->protocol = ATA_PROT_NCQ; in ata_scsi_write_same_xlat()
3419 tf->command = ATA_CMD_FPDMA_SEND; in ata_scsi_write_same_xlat()
3420 tf->hob_nsect = ATA_SUBCMD_FPDMA_SEND_DSM & 0x1f; in ata_scsi_write_same_xlat()
3421 tf->nsect = qc->hw_tag << 3; in ata_scsi_write_same_xlat()
3422 tf->hob_feature = (size / 512) >> 8; in ata_scsi_write_same_xlat()
3423 tf->feature = size / 512; in ata_scsi_write_same_xlat()
3425 tf->auxiliary = 1; in ata_scsi_write_same_xlat()
3427 tf->protocol = ATA_PROT_DMA; in ata_scsi_write_same_xlat()
3428 tf->hob_feature = 0; in ata_scsi_write_same_xlat()
3429 tf->feature = ATA_DSM_TRIM; in ata_scsi_write_same_xlat()
3430 tf->hob_nsect = (size / 512) >> 8; in ata_scsi_write_same_xlat()
3431 tf->nsect = size / 512; in ata_scsi_write_same_xlat()
3432 tf->command = ATA_CMD_DSM; in ata_scsi_write_same_xlat()
3435 tf->flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE | ATA_TFLAG_LBA48 | in ata_scsi_write_same_xlat()
3443 ata_scsi_set_invalid_field(dev, scmd, fp, bp); in ata_scsi_write_same_xlat()
3456 * ata_scsiop_maint_in - Simulate a subset of MAINTENANCE_IN
3469 u8 *cdb = cmd->cmnd; in ata_scsiop_maint_in()
3514 if (dev->flags & ATA_DFLAG_CDL) { in ata_scsiop_maint_in()
3525 if (dev->flags & ATA_DFLAG_CDL) { in ata_scsiop_maint_in()
3536 if (ata_id_zoned_cap(dev->id) || in ata_scsiop_maint_in()
3537 dev->class == ATA_DEV_ZAC) in ata_scsiop_maint_in()
3542 if (dev->flags & ATA_DFLAG_TRUSTED) in ata_scsiop_maint_in()
3557 * ata_scsi_report_zones_complete - convert ATA output
3560 * Convert T-13 little-endian field representation into
3561 * T-10 big-endian field representation.
3566 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_report_zones_complete()
3629 struct ata_taskfile *tf = &qc->tf; in ata_scsi_zbc_in_xlat()
3630 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_zbc_in_xlat()
3631 const u8 *cdb = scmd->cmnd; in ata_scsi_zbc_in_xlat()
3632 u16 sect, fp = (u16)-1; in ata_scsi_zbc_in_xlat()
3633 u8 sa, options, bp = 0xff; in ata_scsi_zbc_in_xlat() local
3637 if (unlikely(scmd->cmd_len < 16)) { in ata_scsi_zbc_in_xlat()
3638 ata_dev_warn(qc->dev, "invalid cdb length %d\n", in ata_scsi_zbc_in_xlat()
3639 scmd->cmd_len); in ata_scsi_zbc_in_xlat()
3645 ata_dev_warn(qc->dev, "non-matching transfer count (%d/%d)\n", in ata_scsi_zbc_in_xlat()
3651 ata_dev_warn(qc->dev, "invalid service action %d\n", sa); in ata_scsi_zbc_in_xlat()
3660 ata_dev_warn(qc->dev, "invalid transfer count %d\n", n_block); in ata_scsi_zbc_in_xlat()
3666 if (ata_ncq_enabled(qc->dev) && in ata_scsi_zbc_in_xlat()
3667 ata_fpdma_zac_mgmt_in_supported(qc->dev)) { in ata_scsi_zbc_in_xlat()
3668 tf->protocol = ATA_PROT_NCQ; in ata_scsi_zbc_in_xlat()
3669 tf->command = ATA_CMD_FPDMA_RECV; in ata_scsi_zbc_in_xlat()
3670 tf->hob_nsect = ATA_SUBCMD_FPDMA_RECV_ZAC_MGMT_IN & 0x1f; in ata_scsi_zbc_in_xlat()
3671 tf->nsect = qc->hw_tag << 3; in ata_scsi_zbc_in_xlat()
3672 tf->feature = sect & 0xff; in ata_scsi_zbc_in_xlat()
3673 tf->hob_feature = (sect >> 8) & 0xff; in ata_scsi_zbc_in_xlat()
3674 tf->auxiliary = ATA_SUBCMD_ZAC_MGMT_IN_REPORT_ZONES | (options << 8); in ata_scsi_zbc_in_xlat()
3676 tf->command = ATA_CMD_ZAC_MGMT_IN; in ata_scsi_zbc_in_xlat()
3677 tf->feature = ATA_SUBCMD_ZAC_MGMT_IN_REPORT_ZONES; in ata_scsi_zbc_in_xlat()
3678 tf->protocol = ATA_PROT_DMA; in ata_scsi_zbc_in_xlat()
3679 tf->hob_feature = options; in ata_scsi_zbc_in_xlat()
3680 tf->hob_nsect = (sect >> 8) & 0xff; in ata_scsi_zbc_in_xlat()
3681 tf->nsect = sect & 0xff; in ata_scsi_zbc_in_xlat()
3683 tf->device = ATA_LBA; in ata_scsi_zbc_in_xlat()
3684 tf->lbah = (block >> 16) & 0xff; in ata_scsi_zbc_in_xlat()
3685 tf->lbam = (block >> 8) & 0xff; in ata_scsi_zbc_in_xlat()
3686 tf->lbal = block & 0xff; in ata_scsi_zbc_in_xlat()
3687 tf->hob_lbah = (block >> 40) & 0xff; in ata_scsi_zbc_in_xlat()
3688 tf->hob_lbam = (block >> 32) & 0xff; in ata_scsi_zbc_in_xlat()
3689 tf->hob_lbal = (block >> 24) & 0xff; in ata_scsi_zbc_in_xlat()
3691 tf->flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE | ATA_TFLAG_LBA48; in ata_scsi_zbc_in_xlat()
3692 qc->flags |= ATA_QCFLAG_RESULT_TF; in ata_scsi_zbc_in_xlat()
3696 qc->complete_fn = ata_scsi_report_zones_complete; in ata_scsi_zbc_in_xlat()
3701 ata_scsi_set_invalid_field(qc->dev, scmd, fp, bp); in ata_scsi_zbc_in_xlat()
3706 ata_scsi_set_sense(qc->dev, scmd, ILLEGAL_REQUEST, 0x1a, 0x0); in ata_scsi_zbc_in_xlat()
3712 struct ata_taskfile *tf = &qc->tf; in ata_scsi_zbc_out_xlat()
3713 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_zbc_out_xlat()
3714 struct ata_device *dev = qc->dev; in ata_scsi_zbc_out_xlat()
3715 const u8 *cdb = scmd->cmnd; in ata_scsi_zbc_out_xlat()
3719 u16 fp = (u16)-1; in ata_scsi_zbc_out_xlat()
3721 if (unlikely(scmd->cmd_len < 16)) { in ata_scsi_zbc_out_xlat()
3747 } else if (block >= dev->n_sectors) { in ata_scsi_zbc_out_xlat()
3755 if (ata_ncq_enabled(qc->dev) && in ata_scsi_zbc_out_xlat()
3756 ata_fpdma_zac_mgmt_out_supported(qc->dev)) { in ata_scsi_zbc_out_xlat()
3757 tf->protocol = ATA_PROT_NCQ_NODATA; in ata_scsi_zbc_out_xlat()
3758 tf->command = ATA_CMD_NCQ_NON_DATA; in ata_scsi_zbc_out_xlat()
3759 tf->feature = ATA_SUBCMD_NCQ_NON_DATA_ZAC_MGMT_OUT; in ata_scsi_zbc_out_xlat()
3760 tf->nsect = qc->hw_tag << 3; in ata_scsi_zbc_out_xlat()
3761 tf->auxiliary = sa | ((u16)all << 8); in ata_scsi_zbc_out_xlat()
3763 tf->protocol = ATA_PROT_NODATA; in ata_scsi_zbc_out_xlat()
3764 tf->command = ATA_CMD_ZAC_MGMT_OUT; in ata_scsi_zbc_out_xlat()
3765 tf->feature = sa; in ata_scsi_zbc_out_xlat()
3766 tf->hob_feature = all; in ata_scsi_zbc_out_xlat()
3768 tf->lbah = (block >> 16) & 0xff; in ata_scsi_zbc_out_xlat()
3769 tf->lbam = (block >> 8) & 0xff; in ata_scsi_zbc_out_xlat()
3770 tf->lbal = block & 0xff; in ata_scsi_zbc_out_xlat()
3771 tf->hob_lbah = (block >> 40) & 0xff; in ata_scsi_zbc_out_xlat()
3772 tf->hob_lbam = (block >> 32) & 0xff; in ata_scsi_zbc_out_xlat()
3773 tf->hob_lbal = (block >> 24) & 0xff; in ata_scsi_zbc_out_xlat()
3774 tf->device = ATA_LBA; in ata_scsi_zbc_out_xlat()
3775 tf->flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE | ATA_TFLAG_LBA48; in ata_scsi_zbc_out_xlat()
3780 ata_scsi_set_invalid_field(qc->dev, scmd, fp, 0xff); in ata_scsi_zbc_out_xlat()
3784 ata_scsi_set_sense(qc->dev, scmd, ILLEGAL_REQUEST, 0x1a, 0x0); in ata_scsi_zbc_out_xlat()
3789 * ata_mselect_caching - Simulate MODE SELECT for caching info page
3803 struct ata_taskfile *tf = &qc->tf; in ata_mselect_caching()
3804 struct ata_device *dev = qc->dev; in ata_mselect_caching()
3814 if (len != CACHE_MPAGE_LEN - 2) { in ata_mselect_caching()
3815 *fp = min(len, CACHE_MPAGE_LEN - 2); in ata_mselect_caching()
3816 return -EINVAL; in ata_mselect_caching()
3822 * Check that read-only bits are not modified. in ata_mselect_caching()
3824 ata_msense_caching(dev->id, mpage, false); in ata_mselect_caching()
3825 for (i = 0; i < CACHE_MPAGE_LEN - 2; i++) { in ata_mselect_caching()
3830 return -EINVAL; in ata_mselect_caching()
3834 tf->flags |= ATA_TFLAG_DEVICE | ATA_TFLAG_ISADDR; in ata_mselect_caching()
3835 tf->protocol = ATA_PROT_NODATA; in ata_mselect_caching()
3836 tf->nsect = 0; in ata_mselect_caching()
3837 tf->command = ATA_CMD_SET_FEATURES; in ata_mselect_caching()
3838 tf->feature = wce ? SETFEATURES_WC_ON : SETFEATURES_WC_OFF; in ata_mselect_caching()
3843 * Simulate MODE SELECT control mode page, sub-page 0.
3848 struct ata_device *dev = qc->dev; in ata_mselect_control_spg0()
3858 if (len != CONTROL_MPAGE_LEN - 2) { in ata_mselect_control_spg0()
3859 *fp = min(len, CONTROL_MPAGE_LEN - 2); in ata_mselect_control_spg0()
3860 return -EINVAL; in ata_mselect_control_spg0()
3866 * Check that read-only bits are not modified. in ata_mselect_control_spg0()
3869 for (i = 0; i < CONTROL_MPAGE_LEN - 2; i++) { in ata_mselect_control_spg0()
3874 return -EINVAL; in ata_mselect_control_spg0()
3878 dev->flags |= ATA_DFLAG_D_SENSE; in ata_mselect_control_spg0()
3880 dev->flags &= ~ATA_DFLAG_D_SENSE; in ata_mselect_control_spg0()
3885 * Translate MODE SELECT control mode page, sub-page f2h (ATA feature mode
3891 struct ata_device *dev = qc->dev; in ata_mselect_control_ata_feature()
3892 struct ata_taskfile *tf = &qc->tf; in ata_mselect_control_ata_feature()
3899 if (len != ATA_FEATURE_SUB_MPAGE_LEN - 4) { in ata_mselect_control_ata_feature()
3900 *fp = min(len, ATA_FEATURE_SUB_MPAGE_LEN - 4); in ata_mselect_control_ata_feature()
3901 return -EINVAL; in ata_mselect_control_ata_feature()
3908 if (!(dev->flags & ATA_DFLAG_CDL_ENABLED)) in ata_mselect_control_ata_feature()
3912 dev->flags &= ~ATA_DFLAG_CDL_ENABLED; in ata_mselect_control_ata_feature()
3918 * is disabled. in ata_mselect_control_ata_feature()
3920 if (dev->flags & ATA_DFLAG_CDL_ENABLED) in ata_mselect_control_ata_feature()
3922 if (dev->flags & ATA_DFLAG_NCQ_PRIO_ENABLED) { in ata_mselect_control_ata_feature()
3924 "NCQ priority must be disabled to enable CDL\n"); in ata_mselect_control_ata_feature()
3925 return -EINVAL; in ata_mselect_control_ata_feature()
3929 dev->flags |= ATA_DFLAG_CDL_ENABLED; in ata_mselect_control_ata_feature()
3933 return -EINVAL; in ata_mselect_control_ata_feature()
3936 tf->flags |= ATA_TFLAG_DEVICE | ATA_TFLAG_ISADDR; in ata_mselect_control_ata_feature()
3937 tf->protocol = ATA_PROT_NODATA; in ata_mselect_control_ata_feature()
3938 tf->command = ATA_CMD_SET_FEATURES; in ata_mselect_control_ata_feature()
3939 tf->feature = SETFEATURES_CDL; in ata_mselect_control_ata_feature()
3940 tf->nsect = cdl_action; in ata_mselect_control_ata_feature()
3946 * ata_mselect_control - Simulate MODE SELECT for control page
3948 * @spg: target sub-page of the control page
3967 return -EINVAL; in ata_mselect_control()
3972 * ata_scsi_mode_select_xlat - Simulate MODE SELECT 6, 10 commands
3984 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_mode_select_xlat()
3985 const u8 *cdb = scmd->cmnd; in ata_scsi_mode_select_xlat()
3989 u16 fp = (u16)-1; in ata_scsi_mode_select_xlat()
3990 u8 bp = 0xff; in ata_scsi_mode_select_xlat() local
3996 if (scmd->cmd_len < 5) { in ata_scsi_mode_select_xlat()
4004 if (scmd->cmd_len < 9) { in ata_scsi_mode_select_xlat()
4016 bp = (cdb[1] & 0x01) ? 1 : 5; in ata_scsi_mode_select_xlat()
4021 if (!scsi_sg_count(scmd) || scsi_sglist(scmd)->length < len) in ata_scsi_mode_select_xlat()
4037 len -= hdr_len; in ata_scsi_mode_select_xlat()
4047 len -= bd_len; in ata_scsi_mode_select_xlat()
4061 len -= 4; in ata_scsi_mode_select_xlat()
4069 len -= 2; in ata_scsi_mode_select_xlat()
4073 * Supported subpages: all subpages and ATA feature sub-page f2h of in ata_scsi_mode_select_xlat()
4087 if (qc->dev->flags & ATA_DFLAG_CDL && in ata_scsi_mode_select_xlat()
4132 ata_scsi_set_invalid_field(qc->dev, scmd, fp, bp); in ata_scsi_mode_select_xlat()
4136 ata_scsi_set_invalid_parameter(qc->dev, scmd, fp); in ata_scsi_mode_select_xlat()
4141 ata_scsi_set_sense(qc->dev, scmd, ILLEGAL_REQUEST, 0x1a, 0x0); in ata_scsi_mode_select_xlat()
4145 scmd->result = SAM_STAT_GOOD; in ata_scsi_mode_select_xlat()
4161 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_security_inout_xlat()
4162 const u8 *cdb = scmd->cmnd; in ata_scsi_security_inout_xlat()
4163 struct ata_taskfile *tf = &qc->tf; in ata_scsi_security_inout_xlat()
4168 bool dma = !(qc->dev->flags & ATA_DFLAG_PIO); in ata_scsi_security_inout_xlat()
4174 ata_scsi_set_invalid_field(qc->dev, scmd, 1, 0); in ata_scsi_security_inout_xlat()
4180 ata_scsi_set_invalid_field(qc->dev, scmd, 6, 0); in ata_scsi_security_inout_xlat()
4185 ata_scsi_set_invalid_field(qc->dev, scmd, 6, 0); in ata_scsi_security_inout_xlat()
4189 /* convert to the sector-based ATA addressing */ in ata_scsi_security_inout_xlat()
4193 tf->protocol = dma ? ATA_PROT_DMA : ATA_PROT_PIO; in ata_scsi_security_inout_xlat()
4194 tf->flags |= ATA_TFLAG_DEVICE | ATA_TFLAG_ISADDR | ATA_TFLAG_LBA; in ata_scsi_security_inout_xlat()
4196 tf->flags |= ATA_TFLAG_WRITE; in ata_scsi_security_inout_xlat()
4197 tf->command = ata_scsi_trusted_op(len, send, dma); in ata_scsi_security_inout_xlat()
4198 tf->feature = secp; in ata_scsi_security_inout_xlat()
4199 tf->lbam = spsp & 0xff; in ata_scsi_security_inout_xlat()
4200 tf->lbah = spsp >> 8; in ata_scsi_security_inout_xlat()
4203 tf->nsect = len & 0xff; in ata_scsi_security_inout_xlat()
4204 tf->lbal = len >> 8; in ata_scsi_security_inout_xlat()
4207 tf->lbah = (1 << 7); in ata_scsi_security_inout_xlat()
4215 * ata_scsi_var_len_cdb_xlat - SATL variable length CDB to Handler
4222 * Zero on success, non-zero on failure
4227 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_var_len_cdb_xlat()
4228 const u8 *cdb = scmd->cmnd; in ata_scsi_var_len_cdb_xlat()
4232 * if service action represents a ata pass-thru(32) command, in ata_scsi_var_len_cdb_xlat()
4243 * ata_get_xlat_func - check if SCSI to ATA translation is possible
4298 if (!(dev->flags & ATA_DFLAG_TRUSTED)) in ata_get_xlat_func()
4311 struct ata_port *ap = dev->link->ap; in __ata_scsi_queuecmd()
4312 u8 scsi_op = scmd->cmnd[0]; in __ata_scsi_queuecmd()
4317 * However, this check is done without holding the ap->lock (a libata in __ata_scsi_queuecmd()
4320 * ap->lock. in __ata_scsi_queuecmd()
4325 if (unlikely(!scmd->cmd_len)) in __ata_scsi_queuecmd()
4328 if (dev->class == ATA_DEV_ATA || dev->class == ATA_DEV_ZAC) { in __ata_scsi_queuecmd()
4329 if (unlikely(scmd->cmd_len > dev->cdb_len)) in __ata_scsi_queuecmd()
4337 if (unlikely(len > scmd->cmd_len || in __ata_scsi_queuecmd()
4338 len > dev->cdb_len || in __ata_scsi_queuecmd()
4339 scmd->cmd_len > ATAPI_CDB_LEN)) in __ata_scsi_queuecmd()
4345 if (unlikely(scmd->cmd_len > 16)) in __ata_scsi_queuecmd()
4359 scmd->result = DID_ERROR << 16; in __ata_scsi_queuecmd()
4365 * ata_scsi_queuecmd - Issue SCSI cdb to libata-managed device
4387 struct scsi_device *scsidev = cmd->device; in ata_scsi_queuecmd()
4393 spin_lock_irqsave(ap->lock, irq_flags); in ata_scsi_queuecmd()
4399 cmd->result = (DID_BAD_TARGET << 16); in ata_scsi_queuecmd()
4403 spin_unlock_irqrestore(ap->lock, irq_flags); in ata_scsi_queuecmd()
4410 * ata_scsi_simulate - simulate SCSI command on ATA device
4423 const u8 *scsicmd = cmd->cmnd; in ata_scsi_simulate()
4449 /* if we reach this, then writeback caching is disabled, in ata_scsi_simulate()
4450 * turning this into a no-op. in ata_scsi_simulate()
4456 /* no-op's, complete with success */ in ata_scsi_simulate()
4487 for (i = 0; i < host->n_ports; i++) { in ata_scsi_add_hosts()
4488 struct ata_port *ap = host->ports[i]; in ata_scsi_add_hosts()
4491 rc = -ENOMEM; in ata_scsi_add_hosts()
4496 shost->eh_noresume = 1; in ata_scsi_add_hosts()
4497 *(struct ata_port **)&shost->hostdata[0] = ap; in ata_scsi_add_hosts()
4498 ap->scsi_host = shost; in ata_scsi_add_hosts()
4500 shost->transportt = ata_scsi_transport_template; in ata_scsi_add_hosts()
4501 shost->unique_id = ap->print_id; in ata_scsi_add_hosts()
4502 shost->max_id = 16; in ata_scsi_add_hosts()
4503 shost->max_lun = 1; in ata_scsi_add_hosts()
4504 shost->max_channel = 1; in ata_scsi_add_hosts()
4505 shost->max_cmd_len = 32; in ata_scsi_add_hosts()
4507 /* Schedule policy is determined by ->qc_defer() in ata_scsi_add_hosts()
4512 shost->max_host_blocked = 1; in ata_scsi_add_hosts()
4514 rc = scsi_add_host_with_dma(shost, &ap->tdev, ap->host->dev); in ata_scsi_add_hosts()
4522 while (--i >= 0) { in ata_scsi_add_hosts()
4523 struct Scsi_Host *shost = host->ports[i]->scsi_host; in ata_scsi_add_hosts()
4534 struct scsi_device *sdev = dev->sdev; in ata_scsi_assign_ofnode()
4535 struct device *d = ap->host->dev; in ata_scsi_assign_ofnode()
4536 struct device_node *np = d->of_node; in ata_scsi_assign_ofnode()
4546 if (val == dev->devno) { in ata_scsi_assign_ofnode()
4548 sdev->sdev_gendev.of_node = child; in ata_scsi_assign_ofnode()
4572 if (dev->sdev) in ata_scsi_scan_host()
4576 id = dev->devno; in ata_scsi_scan_host()
4578 channel = link->pmp; in ata_scsi_scan_host()
4580 sdev = __scsi_add_device(ap->scsi_host, channel, id, 0, in ata_scsi_scan_host()
4583 dev->sdev = sdev; in ata_scsi_scan_host()
4587 dev->sdev = NULL; in ata_scsi_scan_host()
4598 if (!dev->sdev) in ata_scsi_scan_host()
4620 if (--tries) { in ata_scsi_scan_host()
4629 queue_delayed_work(system_long_wq, &ap->hotplug_task, in ata_scsi_scan_host()
4634 * ata_scsi_offline_dev - offline attached SCSI device
4639 * called with host lock which protects dev->sdev against clearing.
4649 if (dev->sdev) { in ata_scsi_offline_dev()
4650 scsi_device_set_state(dev->sdev, SDEV_OFFLINE); in ata_scsi_offline_dev()
4657 * ata_scsi_remove_dev - remove attached SCSI device
4668 struct ata_port *ap = dev->link->ap; in ata_scsi_remove_dev()
4678 mutex_lock(&ap->scsi_host->scan_mutex); in ata_scsi_remove_dev()
4679 spin_lock_irqsave(ap->lock, flags); in ata_scsi_remove_dev()
4681 /* clearing dev->sdev is protected by host lock */ in ata_scsi_remove_dev()
4682 sdev = dev->sdev; in ata_scsi_remove_dev()
4683 dev->sdev = NULL; in ata_scsi_remove_dev()
4703 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_remove_dev()
4704 mutex_unlock(&ap->scsi_host->scan_mutex); in ata_scsi_remove_dev()
4708 dev_name(&sdev->sdev_gendev)); in ata_scsi_remove_dev()
4717 struct ata_port *ap = link->ap; in ata_scsi_handle_link_detach()
4723 spin_lock_irqsave(ap->lock, flags); in ata_scsi_handle_link_detach()
4724 if (!(dev->flags & ATA_DFLAG_DETACHED)) { in ata_scsi_handle_link_detach()
4725 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_handle_link_detach()
4729 dev->flags &= ~ATA_DFLAG_DETACHED; in ata_scsi_handle_link_detach()
4730 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_handle_link_detach()
4737 * ata_scsi_media_change_notify - send media change event
4748 if (dev->sdev) in ata_scsi_media_change_notify()
4749 sdev_evt_send_simple(dev->sdev, SDEV_EVT_MEDIA_CHANGE, in ata_scsi_media_change_notify()
4754 * ata_scsi_hotplug - SCSI part of hotplug
4771 if (ap->pflags & ATA_PFLAG_UNLOADING) in ata_scsi_hotplug()
4774 mutex_lock(&ap->scsi_scan_mutex); in ata_scsi_hotplug()
4780 ata_scsi_handle_link_detach(&ap->link); in ata_scsi_hotplug()
4781 if (ap->pmp_link) in ata_scsi_hotplug()
4783 ata_scsi_handle_link_detach(&ap->pmp_link[i]); in ata_scsi_hotplug()
4788 mutex_unlock(&ap->scsi_scan_mutex); in ata_scsi_hotplug()
4792 * ata_scsi_user_scan - indication for user-initiated bus scan
4815 return -EINVAL; in ata_scsi_user_scan()
4819 return -EINVAL; in ata_scsi_user_scan()
4823 return -EINVAL; in ata_scsi_user_scan()
4827 spin_lock_irqsave(ap->lock, flags); in ata_scsi_user_scan()
4833 struct ata_eh_info *ehi = &link->eh_info; in ata_scsi_user_scan()
4834 ehi->probe_mask |= ATA_ALL_DEVICES; in ata_scsi_user_scan()
4835 ehi->action |= ATA_EH_RESET; in ata_scsi_user_scan()
4841 struct ata_eh_info *ehi = &dev->link->eh_info; in ata_scsi_user_scan()
4842 ehi->probe_mask |= 1 << dev->devno; in ata_scsi_user_scan()
4843 ehi->action |= ATA_EH_RESET; in ata_scsi_user_scan()
4845 rc = -EINVAL; in ata_scsi_user_scan()
4850 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_user_scan()
4853 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_user_scan()
4859 * ata_scsi_dev_rescan - initiate scsi_rescan_device()
4878 mutex_lock(&ap->scsi_scan_mutex); in ata_scsi_dev_rescan()
4879 spin_lock_irqsave(ap->lock, flags); in ata_scsi_dev_rescan()
4883 struct scsi_device *sdev = dev->sdev; in ata_scsi_dev_rescan()
4889 if (ap->pflags & ATA_PFLAG_SUSPENDED) in ata_scsi_dev_rescan()
4897 do_resume = dev->flags & ATA_DFLAG_RESUMING; in ata_scsi_dev_rescan()
4899 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_dev_rescan()
4902 if (ret == -EWOULDBLOCK) in ata_scsi_dev_rescan()
4904 dev->flags &= ~ATA_DFLAG_RESUMING; in ata_scsi_dev_rescan()
4908 spin_lock_irqsave(ap->lock, flags); in ata_scsi_dev_rescan()
4916 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_dev_rescan()
4918 mutex_unlock(&ap->scsi_scan_mutex); in ata_scsi_dev_rescan()
4922 schedule_delayed_work(&ap->scsi_rescan_task, in ata_scsi_dev_rescan()