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"
62 RW_RECOVERY_MPAGE_LEN - 2,
72 CACHE_MPAGE_LEN - 2,
81 CONTROL_MPAGE_LEN - 2,
83 0, /* [QAM+QERR may be 1, see 05-359r1] */
85 0, 30 /* extended self test time, see 05-359r1 */
99 ap = ata_shost_to_port(sdev->host); in ata_scsi_park_show()
101 spin_lock_irq(ap->lock); in ata_scsi_park_show()
104 rc = -ENODEV; in ata_scsi_park_show()
107 if (dev->flags & ATA_DFLAG_NO_UNLOAD) { in ata_scsi_park_show()
108 rc = -EOPNOTSUPP; in ata_scsi_park_show()
112 link = dev->link; in ata_scsi_park_show()
114 if (ap->pflags & ATA_PFLAG_EH_IN_PROGRESS && in ata_scsi_park_show()
115 link->eh_context.unloaded_mask & (1 << dev->devno) && in ata_scsi_park_show()
116 time_after(dev->unpark_deadline, now)) in ata_scsi_park_show()
117 msecs = jiffies_to_msecs(dev->unpark_deadline - now); in ata_scsi_park_show()
122 spin_unlock_irq(ap->lock); in ata_scsi_park_show()
141 if (input < -2) in ata_scsi_park_store()
142 return -EINVAL; in ata_scsi_park_store()
144 rc = -EOVERFLOW; in ata_scsi_park_store()
148 ap = ata_shost_to_port(sdev->host); in ata_scsi_park_store()
150 spin_lock_irqsave(ap->lock, flags); in ata_scsi_park_store()
153 rc = -ENODEV; in ata_scsi_park_store()
156 if (dev->class != ATA_DEV_ATA && in ata_scsi_park_store()
157 dev->class != ATA_DEV_ZAC) { in ata_scsi_park_store()
158 rc = -EOPNOTSUPP; in ata_scsi_park_store()
163 if (dev->flags & ATA_DFLAG_NO_UNLOAD) { in ata_scsi_park_store()
164 rc = -EOPNOTSUPP; in ata_scsi_park_store()
168 dev->unpark_deadline = ata_deadline(jiffies, input); in ata_scsi_park_store()
169 dev->link->eh_info.dev_action[dev->devno] |= ATA_EH_PARK; in ata_scsi_park_store()
171 complete(&ap->park_req_pending); in ata_scsi_park_store()
174 case -1: in ata_scsi_park_store()
175 dev->flags &= ~ATA_DFLAG_NO_UNLOAD; in ata_scsi_park_store()
177 case -2: in ata_scsi_park_store()
178 dev->flags |= ATA_DFLAG_NO_UNLOAD; in ata_scsi_park_store()
183 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_park_store()
194 bool d_sense = (dev->flags & ATA_DFLAG_D_SENSE); in ata_scsi_set_sense()
204 const struct ata_taskfile *tf) in ata_scsi_set_sense_information() argument
211 information = ata_tf_read_block(tf, dev); in ata_scsi_set_sense_information()
215 scsi_set_sense_information(cmd->sense_buffer, in ata_scsi_set_sense_information()
224 scsi_set_sense_field_pointer(cmd->sense_buffer, SCSI_SENSE_BUFFERSIZE, in ata_scsi_set_invalid_field()
233 scsi_set_sense_field_pointer(cmd->sense_buffer, SCSI_SENSE_BUFFERSIZE, in ata_scsi_set_invalid_parameter()
244 * ata_std_bios_param - generic bios head/sector/cylinder calculator used by sd.
251 * used by sd. Most BIOSes nowadays expect a XXX/255/16 (CHS)
274 * ata_scsi_unlock_native_capacity - unlock native capacity
277 * This function is called if a partition on @sdev extends beyond
285 struct ata_port *ap = ata_shost_to_port(sdev->host); in ata_scsi_unlock_native_capacity()
289 spin_lock_irqsave(ap->lock, flags); in ata_scsi_unlock_native_capacity()
292 if (dev && dev->n_sectors < dev->n_native_sectors) { in ata_scsi_unlock_native_capacity()
293 dev->flags |= ATA_DFLAG_UNLOCK_HPA; in ata_scsi_unlock_native_capacity()
294 dev->link->eh_info.action |= ATA_EH_RESET; in ata_scsi_unlock_native_capacity()
298 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_unlock_native_capacity()
304 * ata_get_identity - Handler for HDIO_GET_IDENTITY ioctl
323 return -ENOMSG; in ata_get_identity()
325 if (copy_to_user(dst, dev->id, ATA_ID_WORDS * sizeof(u16))) in ata_get_identity()
326 return -EFAULT; in ata_get_identity()
328 ata_id_string(dev->id, buf, ATA_ID_PROD, ATA_ID_PROD_LEN); in ata_get_identity()
330 return -EFAULT; in ata_get_identity()
332 ata_id_string(dev->id, buf, ATA_ID_FW_REV, ATA_ID_FW_REV_LEN); in ata_get_identity()
334 return -EFAULT; in ata_get_identity()
336 ata_id_string(dev->id, buf, ATA_ID_SERNO, ATA_ID_SERNO_LEN); in ata_get_identity()
338 return -EFAULT; in ata_get_identity()
344 * ata_cmd_ioctl - Handler for HDIO_DRIVE_CMD ioctl
366 return -EINVAL; in ata_cmd_ioctl()
369 return -EFAULT; in ata_cmd_ioctl()
378 rc = -ENOMEM; in ata_cmd_ioctl()
382 scsi_cmd[1] = (4 << 1); /* PIO Data-in */ in ata_cmd_ioctl()
387 scsi_cmd[1] = (3 << 1); /* Non-data */ in ata_cmd_ioctl()
395 if (args[0] == ATA_CMD_SMART) { /* hack -- ide driver does this too */ in ata_cmd_ioctl()
417 /* If we set cc then ATA pass-through will cause a in ata_cmd_ioctl()
425 /* Send userspace a few ATA registers (same as drivers/ide) */ in ata_cmd_ioctl()
432 rc = -EFAULT; in ata_cmd_ioctl()
438 rc = -EIO; in ata_cmd_ioctl()
444 rc = -EFAULT; in ata_cmd_ioctl()
451 * ata_task_ioctl - Handler for HDIO_DRIVE_TASK ioctl
471 return -EINVAL; in ata_task_ioctl()
474 return -EFAULT; in ata_task_ioctl()
479 scsi_cmd[1] = (3 << 1); /* Non-data */ in ata_task_ioctl()
501 /* If we set cc then ATA pass-through will cause a in ata_task_ioctl()
520 rc = -EFAULT; in ata_task_ioctl()
525 rc = -EIO; in ata_task_ioctl()
535 if (ap->flags & ATA_FLAG_PIO_DMA) in ata_ioc32()
537 if (ap->pflags & ATA_PFLAG_PIO32) in ata_ioc32()
544 * here must have a compatible argument, or check in_compat_syscall()
550 int rc = -EINVAL; in ata_sas_scsi_ioctl()
555 spin_lock_irqsave(ap->lock, flags); in ata_sas_scsi_ioctl()
557 spin_unlock_irqrestore(ap->lock, flags); in ata_sas_scsi_ioctl()
567 spin_lock_irqsave(ap->lock, flags); in ata_sas_scsi_ioctl()
568 if (ap->pflags & ATA_PFLAG_PIO32CHANGE) { in ata_sas_scsi_ioctl()
570 ap->pflags |= ATA_PFLAG_PIO32; in ata_sas_scsi_ioctl()
572 ap->pflags &= ~ATA_PFLAG_PIO32; in ata_sas_scsi_ioctl()
575 rc = -EINVAL; in ata_sas_scsi_ioctl()
577 spin_unlock_irqrestore(ap->lock, flags); in ata_sas_scsi_ioctl()
585 return -EACCES; in ata_sas_scsi_ioctl()
590 return -EACCES; in ata_sas_scsi_ioctl()
594 rc = -ENOTTY; in ata_sas_scsi_ioctl()
605 return ata_sas_scsi_ioctl(ata_shost_to_port(scsidev->host), in ata_scsi_ioctl()
611 * ata_scsi_qc_new - acquire new ata_queued_cmd reference
615 * Obtain a reference to an unused ata_queued_cmd structure,
616 * which is the basic libata structure representing a single
619 * If a command was available, fill in the SCSI-specific
634 qc = ata_qc_new_init(dev, scsi_cmd_to_rq(cmd)->tag); in ata_scsi_qc_new()
636 qc->scsicmd = cmd; in ata_scsi_qc_new()
637 qc->scsidone = cmd->scsi_done; in ata_scsi_qc_new()
639 qc->sg = scsi_sglist(cmd); in ata_scsi_qc_new()
640 qc->n_elem = scsi_sg_count(cmd); in ata_scsi_qc_new()
642 if (scsi_cmd_to_rq(cmd)->rq_flags & RQF_QUIET) in ata_scsi_qc_new()
643 qc->flags |= ATA_QCFLAG_QUIET; in ata_scsi_qc_new()
645 cmd->result = (DID_OK << 16) | SAM_STAT_TASK_SET_FULL; in ata_scsi_qc_new()
646 cmd->scsi_done(cmd); in ata_scsi_qc_new()
654 struct scsi_cmnd *scmd = qc->scsicmd; in ata_qc_set_pc_nbytes()
656 qc->extrabytes = scmd->extra_len; in ata_qc_set_pc_nbytes()
657 qc->nbytes = scsi_bufflen(scmd) + qc->extrabytes; in ata_qc_set_pc_nbytes()
661 * ata_dump_status - user friendly display of error info
663 * @tf: ptr to filled out taskfile
667 * make-believe layer.
672 static void ata_dump_status(unsigned id, struct ata_taskfile *tf) in ata_dump_status() argument
674 u8 stat = tf->command, err = tf->feature; in ata_dump_status()
707 * ata_to_sense_error - convert ATA error to SCSI error
716 * Converts an ATA error into a SCSI error. Fill out pointers to
751 /* TRK0 - Track 0 not found */ in ata_to_sense_error()
758 /* SRV/IDNF - ID not found */ in ata_to_sense_error()
761 /* MC - Media Changed */ in ata_to_sense_error()
764 /* ECC - Uncorrectable ECC error */ in ata_to_sense_error()
767 /* BBD - block marked bad */ in ata_to_sense_error()
823 * We need a sensible error return here, which is tricky, and one in ata_to_sense_error()
824 * that won't cause people to do things like return a disk wrongly. in ata_to_sense_error()
838 * ata_gen_passthru_sense - Generate check condition sense block.
843 * of whether the command errored or not, return a sense
848 * asc,ascq = ATA PASS-THROUGH INFORMATION AVAILABLE
856 struct scsi_cmnd *cmd = qc->scsicmd; in ata_gen_passthru_sense()
857 struct ata_taskfile *tf = &qc->result_tf; in ata_gen_passthru_sense() local
858 unsigned char *sb = cmd->sense_buffer; in ata_gen_passthru_sense()
860 int verbose = qc->ap->ops->error_handler == NULL; in ata_gen_passthru_sense()
869 if (qc->err_mask || in ata_gen_passthru_sense()
870 tf->command & (ATA_BUSY | ATA_DF | ATA_ERR | ATA_DRQ)) { in ata_gen_passthru_sense()
871 ata_to_sense_error(qc->ap->print_id, tf->command, tf->feature, in ata_gen_passthru_sense()
873 ata_scsi_set_sense(qc->dev, cmd, sense_key, asc, ascq); in ata_gen_passthru_sense()
876 * ATA PASS-THROUGH INFORMATION AVAILABLE in ata_gen_passthru_sense()
882 if ((cmd->sense_buffer[0] & 0x7f) >= 0x72) { in ata_gen_passthru_sense()
900 desc[3] = tf->feature; /* == error reg */ in ata_gen_passthru_sense()
901 desc[5] = tf->nsect; in ata_gen_passthru_sense()
902 desc[7] = tf->lbal; in ata_gen_passthru_sense()
903 desc[9] = tf->lbam; in ata_gen_passthru_sense()
904 desc[11] = tf->lbah; in ata_gen_passthru_sense()
905 desc[12] = tf->device; in ata_gen_passthru_sense()
906 desc[13] = tf->command; /* == status reg */ in ata_gen_passthru_sense()
912 if (tf->flags & ATA_TFLAG_LBA48) { in ata_gen_passthru_sense()
914 desc[4] = tf->hob_nsect; in ata_gen_passthru_sense()
915 desc[6] = tf->hob_lbal; in ata_gen_passthru_sense()
916 desc[8] = tf->hob_lbam; in ata_gen_passthru_sense()
917 desc[10] = tf->hob_lbah; in ata_gen_passthru_sense()
921 desc[0] = tf->feature; in ata_gen_passthru_sense()
922 desc[1] = tf->command; /* status */ in ata_gen_passthru_sense()
923 desc[2] = tf->device; in ata_gen_passthru_sense()
924 desc[3] = tf->nsect; in ata_gen_passthru_sense()
926 if (tf->flags & ATA_TFLAG_LBA48) { in ata_gen_passthru_sense()
928 if (tf->hob_nsect) in ata_gen_passthru_sense()
930 if (tf->hob_lbal || tf->hob_lbam || tf->hob_lbah) in ata_gen_passthru_sense()
933 desc[9] = tf->lbal; in ata_gen_passthru_sense()
934 desc[10] = tf->lbam; in ata_gen_passthru_sense()
935 desc[11] = tf->lbah; in ata_gen_passthru_sense()
940 * ata_gen_ata_sense - generate a SCSI fixed sense block
943 * Generate sense block for a failed ATA command @qc. Descriptor
951 struct ata_device *dev = qc->dev; in ata_gen_ata_sense()
952 struct scsi_cmnd *cmd = qc->scsicmd; in ata_gen_ata_sense()
953 struct ata_taskfile *tf = &qc->result_tf; in ata_gen_ata_sense() local
954 unsigned char *sb = cmd->sense_buffer; in ata_gen_ata_sense()
955 int verbose = qc->ap->ops->error_handler == NULL; in ata_gen_ata_sense()
970 if (qc->err_mask || in ata_gen_ata_sense()
971 tf->command & (ATA_BUSY | ATA_DF | ATA_ERR | ATA_DRQ)) { in ata_gen_ata_sense()
972 ata_to_sense_error(qc->ap->print_id, tf->command, tf->feature, in ata_gen_ata_sense()
978 tf->command, qc->err_mask); in ata_gen_ata_sense()
983 block = ata_tf_read_block(&qc->result_tf, dev); in ata_gen_ata_sense()
992 sdev->use_10_for_rw = 1; in ata_scsi_sdev_config()
993 sdev->use_10_for_ms = 1; in ata_scsi_sdev_config()
994 sdev->no_write_same = 1; in ata_scsi_sdev_config()
996 /* Schedule policy is determined by ->qc_defer() callback and in ata_scsi_sdev_config()
1001 sdev->max_device_blocked = 1; in ata_scsi_sdev_config()
1005 * ata_scsi_dma_need_drain - Check whether data transfer may overflow
1021 return atapi_cmd_type(scsi_req(rq)->cmd[0]) == ATAPI_MISC; in ata_scsi_dma_need_drain()
1027 struct request_queue *q = sdev->request_queue; in ata_scsi_dev_config()
1029 if (!ata_id_has_unload(dev->id)) in ata_scsi_dev_config()
1030 dev->flags |= ATA_DFLAG_NO_UNLOAD; in ata_scsi_dev_config()
1033 blk_queue_max_hw_sectors(q, dev->max_sectors); in ata_scsi_dev_config()
1035 if (dev->class == ATA_DEV_ATAPI) { in ata_scsi_dev_config()
1036 sdev->sector_size = ATA_SECT_SIZE; in ata_scsi_dev_config()
1039 blk_queue_update_dma_pad(q, ATA_DMA_PAD_SZ - 1); in ata_scsi_dev_config()
1042 blk_queue_max_segments(q, queue_max_segments(q) - 1); in ata_scsi_dev_config()
1044 sdev->dma_drain_len = ATAPI_MAX_DRAIN; in ata_scsi_dev_config()
1045 sdev->dma_drain_buf = kmalloc(sdev->dma_drain_len, GFP_NOIO); in ata_scsi_dev_config()
1046 if (!sdev->dma_drain_buf) { in ata_scsi_dev_config()
1048 return -ENOMEM; in ata_scsi_dev_config()
1051 sdev->sector_size = ata_id_logical_sector_size(dev->id); in ata_scsi_dev_config()
1052 sdev->manage_start_stop = 1; in ata_scsi_dev_config()
1062 if (sdev->sector_size > PAGE_SIZE) in ata_scsi_dev_config()
1065 sdev->sector_size); in ata_scsi_dev_config()
1067 blk_queue_update_dma_alignment(q, sdev->sector_size - 1); in ata_scsi_dev_config()
1069 if (dev->flags & ATA_DFLAG_AN) in ata_scsi_dev_config()
1070 set_bit(SDEV_EVT_MEDIA_CHANGE, sdev->supported_events); in ata_scsi_dev_config()
1072 if (dev->flags & ATA_DFLAG_NCQ) { in ata_scsi_dev_config()
1075 depth = min(sdev->host->can_queue, ata_id_queue_depth(dev->id)); in ata_scsi_dev_config()
1080 if (dev->flags & ATA_DFLAG_TRUSTED) in ata_scsi_dev_config()
1081 sdev->security_supported = 1; in ata_scsi_dev_config()
1083 dev->sdev = sdev; in ata_scsi_dev_config()
1088 * ata_scsi_slave_config - Set SCSI device attributes
1093 * SCSI mid-layer behaviors.
1101 struct ata_port *ap = ata_shost_to_port(sdev->host); in ata_scsi_slave_config()
1115 * ata_scsi_slave_destroy - SCSI device is about to be destroyed
1120 * dev->sdev, this function doesn't have to do anything.
1121 * Otherwise, SCSI layer initiated warm-unplug is in progress.
1122 * Clear dev->sdev, schedule the device for ATA detach and invoke
1130 struct ata_port *ap = ata_shost_to_port(sdev->host); in ata_scsi_slave_destroy()
1134 if (!ap->ops->error_handler) in ata_scsi_slave_destroy()
1137 spin_lock_irqsave(ap->lock, flags); in ata_scsi_slave_destroy()
1139 if (dev && dev->sdev) { in ata_scsi_slave_destroy()
1141 dev->sdev = NULL; in ata_scsi_slave_destroy()
1142 dev->flags |= ATA_DFLAG_DETACH; in ata_scsi_slave_destroy()
1145 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_slave_destroy()
1147 kfree(sdev->dma_drain_buf); in ata_scsi_slave_destroy()
1152 * ata_scsi_start_stop_xlat - Translate SCSI START STOP UNIT command
1164 * Zero on success, non-zero on error.
1168 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_start_stop_xlat()
1169 struct ata_taskfile *tf = &qc->tf; in ata_scsi_start_stop_xlat() local
1170 const u8 *cdb = scmd->cmnd; in ata_scsi_start_stop_xlat()
1174 if (scmd->cmd_len < 5) { in ata_scsi_start_stop_xlat()
1179 tf->flags |= ATA_TFLAG_DEVICE | ATA_TFLAG_ISADDR; in ata_scsi_start_stop_xlat()
1180 tf->protocol = ATA_PROT_NODATA; in ata_scsi_start_stop_xlat()
1182 ; /* ignore IMMED bit, violates sat-r05 */ in ata_scsi_start_stop_xlat()
1196 tf->nsect = 1; /* 1 sector, lba=0 */ in ata_scsi_start_stop_xlat()
1198 if (qc->dev->flags & ATA_DFLAG_LBA) { in ata_scsi_start_stop_xlat()
1199 tf->flags |= ATA_TFLAG_LBA; in ata_scsi_start_stop_xlat()
1201 tf->lbah = 0x0; in ata_scsi_start_stop_xlat()
1202 tf->lbam = 0x0; in ata_scsi_start_stop_xlat()
1203 tf->lbal = 0x0; in ata_scsi_start_stop_xlat()
1204 tf->device |= ATA_LBA; in ata_scsi_start_stop_xlat()
1207 tf->lbal = 0x1; /* sect */ in ata_scsi_start_stop_xlat()
1208 tf->lbam = 0x0; /* cyl low */ in ata_scsi_start_stop_xlat()
1209 tf->lbah = 0x0; /* cyl high */ in ata_scsi_start_stop_xlat()
1212 tf->command = ATA_CMD_VERIFY; /* READ VERIFY */ in ata_scsi_start_stop_xlat()
1217 if ((qc->ap->flags & ATA_FLAG_NO_POWEROFF_SPINDOWN) && in ata_scsi_start_stop_xlat()
1221 if ((qc->ap->flags & ATA_FLAG_NO_HIBERNATE_SPINDOWN) && in ata_scsi_start_stop_xlat()
1226 tf->command = ATA_CMD_STANDBYNOW1; in ata_scsi_start_stop_xlat()
1239 ata_scsi_set_invalid_field(qc->dev, scmd, fp, bp); in ata_scsi_start_stop_xlat()
1242 scmd->result = SAM_STAT_GOOD; in ata_scsi_start_stop_xlat()
1248 * ata_scsi_flush_xlat - Translate SCSI SYNCHRONIZE CACHE command
1258 * Zero on success, non-zero on error.
1262 struct ata_taskfile *tf = &qc->tf; in ata_scsi_flush_xlat() local
1264 tf->flags |= ATA_TFLAG_DEVICE; in ata_scsi_flush_xlat()
1265 tf->protocol = ATA_PROT_NODATA; in ata_scsi_flush_xlat()
1267 if (qc->dev->flags & ATA_DFLAG_FLUSH_EXT) in ata_scsi_flush_xlat()
1268 tf->command = ATA_CMD_FLUSH_EXT; in ata_scsi_flush_xlat()
1270 tf->command = ATA_CMD_FLUSH; in ata_scsi_flush_xlat()
1273 qc->flags |= ATA_QCFLAG_IO; in ata_scsi_flush_xlat()
1279 * scsi_6_lba_len - Get LBA and transfer length
1282 * Calculate LBA and transfer length for 6-byte commands.
1293 VPRINTK("six-byte command\n"); in scsi_6_lba_len()
1306 * scsi_10_lba_len - Get LBA and transfer length
1309 * Calculate LBA and transfer length for 10-byte commands.
1320 VPRINTK("ten-byte command\n"); in scsi_10_lba_len()
1335 * scsi_16_lba_len - Get LBA and transfer length
1338 * Calculate LBA and transfer length for 16-byte commands.
1349 VPRINTK("sixteen-byte command\n"); in scsi_16_lba_len()
1370 * ata_scsi_verify_xlat - Translate SCSI VERIFY command into an ATA one
1379 * Zero on success, non-zero on error.
1383 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_verify_xlat()
1384 struct ata_taskfile *tf = &qc->tf; in ata_scsi_verify_xlat() local
1385 struct ata_device *dev = qc->dev; in ata_scsi_verify_xlat()
1386 u64 dev_sectors = qc->dev->n_sectors; in ata_scsi_verify_xlat()
1387 const u8 *cdb = scmd->cmnd; in ata_scsi_verify_xlat()
1392 tf->flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE; in ata_scsi_verify_xlat()
1393 tf->protocol = ATA_PROT_NODATA; in ata_scsi_verify_xlat()
1396 if (scmd->cmd_len < 10) { in ata_scsi_verify_xlat()
1402 if (scmd->cmd_len < 16) { in ata_scsi_verify_xlat()
1419 if (dev->flags & ATA_DFLAG_LBA) { in ata_scsi_verify_xlat()
1420 tf->flags |= ATA_TFLAG_LBA; in ata_scsi_verify_xlat()
1424 tf->command = ATA_CMD_VERIFY; in ata_scsi_verify_xlat()
1425 tf->device |= (block >> 24) & 0xf; in ata_scsi_verify_xlat()
1427 if (!(dev->flags & ATA_DFLAG_LBA48)) in ata_scsi_verify_xlat()
1431 tf->flags |= ATA_TFLAG_LBA48; in ata_scsi_verify_xlat()
1432 tf->command = ATA_CMD_VERIFY_EXT; in ata_scsi_verify_xlat()
1434 tf->hob_nsect = (n_block >> 8) & 0xff; in ata_scsi_verify_xlat()
1436 tf->hob_lbah = (block >> 40) & 0xff; in ata_scsi_verify_xlat()
1437 tf->hob_lbam = (block >> 32) & 0xff; in ata_scsi_verify_xlat()
1438 tf->hob_lbal = (block >> 24) & 0xff; in ata_scsi_verify_xlat()
1443 tf->nsect = n_block & 0xff; in ata_scsi_verify_xlat()
1445 tf->lbah = (block >> 16) & 0xff; in ata_scsi_verify_xlat()
1446 tf->lbam = (block >> 8) & 0xff; in ata_scsi_verify_xlat()
1447 tf->lbal = block & 0xff; in ata_scsi_verify_xlat()
1449 tf->device |= ATA_LBA; in ata_scsi_verify_xlat()
1458 track = (u32)block / dev->sectors; in ata_scsi_verify_xlat()
1459 cyl = track / dev->heads; in ata_scsi_verify_xlat()
1460 head = track % dev->heads; in ata_scsi_verify_xlat()
1461 sect = (u32)block % dev->sectors + 1; in ata_scsi_verify_xlat()
1467 Cylinder: 0-65535 in ata_scsi_verify_xlat()
1468 Head: 0-15 in ata_scsi_verify_xlat()
1469 Sector: 1-255*/ in ata_scsi_verify_xlat()
1473 tf->command = ATA_CMD_VERIFY; in ata_scsi_verify_xlat()
1474 tf->nsect = n_block & 0xff; /* Sector count 0 means 256 sectors */ in ata_scsi_verify_xlat()
1475 tf->lbal = sect; in ata_scsi_verify_xlat()
1476 tf->lbam = cyl; in ata_scsi_verify_xlat()
1477 tf->lbah = cyl >> 8; in ata_scsi_verify_xlat()
1478 tf->device |= head; in ata_scsi_verify_xlat()
1484 ata_scsi_set_invalid_field(qc->dev, scmd, fp, 0xff); in ata_scsi_verify_xlat()
1488 ata_scsi_set_sense(qc->dev, scmd, ILLEGAL_REQUEST, 0x21, 0x0); in ata_scsi_verify_xlat()
1493 scmd->result = SAM_STAT_GOOD; in ata_scsi_verify_xlat()
1505 req_blocks = blk_rq_bytes(rq) / scmd->device->sector_size; in ata_check_nblocks()
1513 * ata_scsi_rw_xlat - Translate SCSI r/w command into an ATA one
1528 * Zero on success, non-zero on error.
1532 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_rw_xlat()
1533 const u8 *cdb = scmd->cmnd; in ata_scsi_rw_xlat()
1549 if (unlikely(scmd->cmd_len < 10)) { in ata_scsi_rw_xlat()
1561 if (unlikely(scmd->cmd_len < 6)) { in ata_scsi_rw_xlat()
1567 /* for 6-byte r/w commands, transfer length 0 in ata_scsi_rw_xlat()
1577 if (unlikely(scmd->cmd_len < 16)) { in ata_scsi_rw_xlat()
1588 DPRINTK("no-byte command\n"); in ata_scsi_rw_xlat()
1595 /* For 10-byte and 16-byte SCSI R/W commands, transfer in ata_scsi_rw_xlat()
1604 qc->flags |= ATA_QCFLAG_IO; in ata_scsi_rw_xlat()
1605 qc->nbytes = n_block * scmd->device->sector_size; in ata_scsi_rw_xlat()
1607 rc = ata_build_rw_tf(&qc->tf, qc->dev, block, n_block, tf_flags, in ata_scsi_rw_xlat()
1608 qc->hw_tag, class); in ata_scsi_rw_xlat()
1613 if (rc == -ERANGE) in ata_scsi_rw_xlat()
1615 /* treat all other errors as -EINVAL, fall through */ in ata_scsi_rw_xlat()
1617 ata_scsi_set_invalid_field(qc->dev, scmd, fp, 0xff); in ata_scsi_rw_xlat()
1621 ata_scsi_set_sense(qc->dev, scmd, ILLEGAL_REQUEST, 0x21, 0x0); in ata_scsi_rw_xlat()
1626 scmd->result = SAM_STAT_GOOD; in ata_scsi_rw_xlat()
1632 struct scsi_cmnd *cmd = qc->scsicmd; in ata_qc_done()
1633 void (*done)(struct scsi_cmnd *) = qc->scsidone; in ata_qc_done()
1641 struct ata_port *ap = qc->ap; in ata_scsi_qc_complete()
1642 struct scsi_cmnd *cmd = qc->scsicmd; in ata_scsi_qc_complete()
1643 u8 *cdb = cmd->cmnd; in ata_scsi_qc_complete()
1644 int need_sense = (qc->err_mask != 0); in ata_scsi_qc_complete()
1646 /* For ATA pass thru (SAT) commands, generate a sense block if in ata_scsi_qc_complete()
1648 * generate because the user forced us to [CK_COND =1], a check in ata_scsi_qc_complete()
1653 * asc,ascq = ATA PASS-THROUGH INFORMATION AVAILABLE in ata_scsi_qc_complete()
1658 else if (qc->flags & ATA_QCFLAG_SENSE_VALID) in ata_scsi_qc_complete()
1659 cmd->result = SAM_STAT_CHECK_CONDITION; in ata_scsi_qc_complete()
1663 cmd->result = SAM_STAT_GOOD; in ata_scsi_qc_complete()
1665 if (need_sense && !ap->ops->error_handler) in ata_scsi_qc_complete()
1666 ata_dump_status(ap->print_id, &qc->result_tf); in ata_scsi_qc_complete()
1672 * ata_scsi_translate - Translate then issue SCSI command to ATA device
1677 * Our ->queuecommand() function has decided that the SCSI
1686 * then cmd->result (and possibly cmd->sense_buffer) are assumed
1700 struct ata_port *ap = dev->link->ap; in ata_scsi_translate()
1710 /* data is present; dma-map it */ in ata_scsi_translate()
1711 if (cmd->sc_data_direction == DMA_FROM_DEVICE || in ata_scsi_translate()
1712 cmd->sc_data_direction == DMA_TO_DEVICE) { in ata_scsi_translate()
1720 qc->dma_dir = cmd->sc_data_direction; in ata_scsi_translate()
1723 qc->complete_fn = ata_scsi_qc_complete; in ata_scsi_translate()
1728 if (ap->ops->qc_defer) { in ata_scsi_translate()
1729 if ((rc = ap->ops->qc_defer(qc))) in ata_scsi_translate()
1741 cmd->scsi_done(cmd); in ata_scsi_translate()
1742 DPRINTK("EXIT - early finish (good or error)\n"); in ata_scsi_translate()
1747 cmd->result = (DID_ERROR << 16); in ata_scsi_translate()
1748 cmd->scsi_done(cmd); in ata_scsi_translate()
1750 DPRINTK("EXIT - internal\n"); in ata_scsi_translate()
1755 DPRINTK("EXIT - defer\n"); in ata_scsi_translate()
1769 * ata_scsi_rbuf_fill - wrapper for SCSI command simulators
1773 * Takes care of the hard work of simulating a SCSI command...
1777 * completed successfully (0), or not (in which case cmd->result
1787 struct scsi_cmnd *cmd = args->cmd; in ata_scsi_rbuf_fill()
1801 cmd->result = SAM_STAT_GOOD; in ata_scsi_rbuf_fill()
1805 * ata_scsiop_inq_std - Simulate INQUIRY command
1810 * with non-VPD INQUIRY command output.
1819 0x60, /* SAM-3 (no version claimed) */ in ata_scsiop_inq_std()
1822 0x20, /* SBC-2 (no version claimed) */ in ata_scsiop_inq_std()
1825 0x00 /* SPC-3 (no version claimed) */ in ata_scsiop_inq_std()
1829 0xA0, /* SAM-5 (no version claimed) */ in ata_scsiop_inq_std()
1832 0x00, /* SBC-4 (no version claimed) */ in ata_scsiop_inq_std()
1835 0xC0, /* SPC-5 (no version claimed) */ in ata_scsiop_inq_std()
1844 0x5, /* claim SPC-3 version compatibility */ in ata_scsiop_inq_std()
1846 95 - 4, in ata_scsiop_inq_std()
1855 * AHCI port says it's external (Hotplug-capable, eSATA). in ata_scsiop_inq_std()
1857 if (ata_id_removable(args->id) || in ata_scsiop_inq_std()
1858 (args->dev->link->ap->pflags & ATA_PFLAG_EXTERNAL)) in ata_scsiop_inq_std()
1861 if (args->dev->class == ATA_DEV_ZAC) { in ata_scsiop_inq_std()
1863 hdr[2] = 0x7; /* claim SPC-5 version compatibility */ in ata_scsiop_inq_std()
1868 ata_id_string(args->id, &rbuf[16], ATA_ID_PROD, 16); in ata_scsiop_inq_std()
1871 ata_id_string(args->id, &rbuf[32], ATA_ID_FW_REV + 2, 4); in ata_scsiop_inq_std()
1873 ata_id_string(args->id, &rbuf[32], ATA_ID_FW_REV, 4); in ata_scsiop_inq_std()
1876 memcpy(&rbuf[32], "n/a ", 4); in ata_scsiop_inq_std()
1878 if (ata_id_zoned_cap(args->id) || args->dev->class == ATA_DEV_ZAC) in ata_scsiop_inq_std()
1887 * ata_scsiop_inq_00 - Simulate INQUIRY VPD page 0, list of pages
1911 if (!(args->dev->flags & ATA_DFLAG_ZAC)) in ata_scsiop_inq_00()
1912 num_pages--; in ata_scsiop_inq_00()
1919 * ata_scsiop_inq_80 - Simulate INQUIRY VPD page 80, device serial number
1938 ata_id_string(args->id, (unsigned char *) &rbuf[4], in ata_scsiop_inq_80()
1944 * ata_scsiop_inq_83 - Simulate INQUIRY VPD page 83, device identity
1949 * - vendor specific ASCII containing the ATA serial number
1950 * - SAT defined "t10 vendor id based" containing ASCII vendor
1968 ata_id_string(args->id, (unsigned char *) rbuf + num, in ata_scsiop_inq_83()
1980 ata_id_string(args->id, (unsigned char *) rbuf + num, ATA_ID_PROD, in ata_scsiop_inq_83()
1983 ata_id_string(args->id, (unsigned char *) rbuf + num, ATA_ID_SERNO, in ata_scsiop_inq_83()
1987 if (ata_id_has_wwn(args->id)) { in ata_scsiop_inq_83()
1994 ata_id_string(args->id, (unsigned char *) rbuf + num, in ata_scsiop_inq_83()
1998 rbuf[3] = num - 4; /* page len (assume less than 256 bytes) */ in ata_scsiop_inq_83()
2003 * ata_scsiop_inq_89 - Simulate INQUIRY VPD page 89, ATA info
2007 * Yields SAT-specified ATA VPD page.
2033 memcpy(&rbuf[60], &args->id[0], 512); in ata_scsiop_inq_89()
2039 struct ata_device *dev = args->dev; in ata_scsiop_inq_b0()
2048 * This is always one physical block, but for disks with a smaller in ata_scsiop_inq_b0()
2052 min_io_sectors = 1 << ata_id_log2_per_physical_sector(args->id); in ata_scsiop_inq_b0()
2058 * The ATA spec doesn't even know about a granularity or alignment in ata_scsiop_inq_b0()
2060 * VPD page entries, but we have specifify a granularity to signal in ata_scsiop_inq_b0()
2061 * that we support some form of unmap - in thise case via WRITE SAME in ata_scsiop_inq_b0()
2064 if (ata_id_has_trim(args->id)) { in ata_scsiop_inq_b0()
2067 if (dev->horkage & ATA_HORKAGE_MAX_TRIM_128M) in ata_scsiop_inq_b0()
2068 max_blocks = 128 << (20 - SECTOR_SHIFT); in ata_scsiop_inq_b0()
2079 int form_factor = ata_id_form_factor(args->id); in ata_scsiop_inq_b1()
2080 int media_rotation_rate = ata_id_rotation_rate(args->id); in ata_scsiop_inq_b1()
2081 u8 zoned = ata_id_zoned_cap(args->id); in ata_scsiop_inq_b1()
2096 /* SCSI Thin Provisioning VPD page: SBC-3 rev 22 or later */ in ata_scsiop_inq_b2()
2107 * zbc-r05 SCSI Zoned Block device characteristics VPD page in ata_scsiop_inq_b6()
2113 * URSWRZ bit is only meaningful for host-managed ZAC drives in ata_scsiop_inq_b6()
2115 if (args->dev->zac_zoned_cap & 1) in ata_scsiop_inq_b6()
2117 put_unaligned_be32(args->dev->zac_zones_optimal_open, &rbuf[8]); in ata_scsiop_inq_b6()
2118 put_unaligned_be32(args->dev->zac_zones_optimal_nonseq, &rbuf[12]); in ata_scsiop_inq_b6()
2119 put_unaligned_be32(args->dev->zac_zones_max_open, &rbuf[16]); in ata_scsiop_inq_b6()
2125 * modecpy - Prepare response for MODE SENSE
2131 * Generate a generic MODE SENSE page for either current or changeable
2141 memset(dest + 2, 0, n - 2); in modecpy()
2148 * ata_msense_caching - Simulate MODE SENSE caching info page
2153 * Generate a caching info page, which conditionally indicates
2173 * ata_msense_control - Simulate MODE SENSE control mode page
2178 * Generate a generic MODE SENSE control mode page.
2190 bool d_sense = (dev->flags & ATA_DFLAG_D_SENSE); in ata_msense_control()
2198 * ata_msense_rw_recovery - Simulate MODE SENSE r/w error recovery page
2202 * Generate a generic MODE SENSE r/w error recovery page.
2215 * We can turn this into a real blacklist if it's needed, for now just
2239 * ata_scsiop_mode_sense - Simulate MODE SENSE 6, 10 commands
2252 struct ata_device *dev = args->dev; in ata_scsiop_mode_sense()
2253 u8 *scsicmd = args->cmd->cmnd, *p = rbuf; in ata_scsiop_mode_sense()
2308 p += ata_msense_caching(args->id, p, page_control == 1); in ata_scsiop_mode_sense()
2312 p += ata_msense_control(args->dev, p, page_control == 1); in ata_scsiop_mode_sense()
2317 p += ata_msense_caching(args->id, p, page_control == 1); in ata_scsiop_mode_sense()
2318 p += ata_msense_control(args->dev, p, page_control == 1); in ata_scsiop_mode_sense()
2327 if (ata_dev_supports_fua(args->id) && (dev->flags & ATA_DFLAG_LBA48) && in ata_scsiop_mode_sense()
2328 (!(dev->flags & ATA_DFLAG_PIO) || dev->multi_count)) in ata_scsiop_mode_sense()
2332 rbuf[0] = p - rbuf - 1; in ata_scsiop_mode_sense()
2339 unsigned int output_len = p - rbuf - 2; in ata_scsiop_mode_sense()
2352 ata_scsi_set_invalid_field(dev, args->cmd, fp, bp); in ata_scsiop_mode_sense()
2356 ata_scsi_set_sense(dev, args->cmd, ILLEGAL_REQUEST, 0x39, 0x0); in ata_scsiop_mode_sense()
2362 * ata_scsiop_read_cap - Simulate READ CAPACITY[ 16] commands
2373 struct ata_device *dev = args->dev; in ata_scsiop_read_cap()
2374 u64 last_lba = dev->n_sectors - 1; /* LBA of the last block */ in ata_scsiop_read_cap()
2379 sector_size = ata_id_logical_sector_size(dev->id); in ata_scsiop_read_cap()
2380 log2_per_phys = ata_id_log2_per_physical_sector(dev->id); in ata_scsiop_read_cap()
2381 lowest_aligned = ata_id_logical_sector_offset(dev->id, log2_per_phys); in ata_scsiop_read_cap()
2385 if (args->cmd->cmnd[0] == READ_CAPACITY) { in ata_scsiop_read_cap()
2389 /* sector count, 32-bit */ in ata_scsiop_read_cap()
2401 /* sector count, 64-bit */ in ata_scsiop_read_cap()
2422 if (ata_id_has_trim(args->id) && in ata_scsiop_read_cap()
2423 !(dev->horkage & ATA_HORKAGE_NOTRIM)) { in ata_scsiop_read_cap()
2426 if (ata_id_has_zero_after_trim(args->id) && in ata_scsiop_read_cap()
2427 dev->horkage & ATA_HORKAGE_ZERO_AFTER_TRIM) { in ata_scsiop_read_cap()
2432 if (ata_id_zoned_cap(args->id) || in ata_scsiop_read_cap()
2433 args->dev->class == ATA_DEV_ZAC) in ata_scsiop_read_cap()
2440 * ata_scsiop_report_luns - Simulate REPORT LUNS command
2459 if (qc->err_mask && ((qc->err_mask & AC_ERR_DEV) == 0)) { in atapi_sense_complete()
2462 * a sense descriptors, since that's only in atapi_sense_complete()
2474 return (ap->flags & ATA_FLAG_PIO_DMA); in ata_pio_use_silly()
2479 struct ata_port *ap = qc->ap; in atapi_request_sense()
2480 struct scsi_cmnd *cmd = qc->scsicmd; in atapi_request_sense()
2484 memset(cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); in atapi_request_sense()
2487 if (ap->ops->sff_tf_read) in atapi_request_sense()
2488 ap->ops->sff_tf_read(ap, &qc->tf); in atapi_request_sense()
2491 /* fill these in, for the case where they are -not- overwritten */ in atapi_request_sense()
2492 cmd->sense_buffer[0] = 0x70; in atapi_request_sense()
2493 cmd->sense_buffer[2] = qc->tf.feature >> 4; in atapi_request_sense()
2498 sg_init_one(&qc->sgent, cmd->sense_buffer, SCSI_SENSE_BUFFERSIZE); in atapi_request_sense()
2499 ata_sg_init(qc, &qc->sgent, 1); in atapi_request_sense()
2500 qc->dma_dir = DMA_FROM_DEVICE; in atapi_request_sense()
2502 memset(&qc->cdb, 0, qc->dev->cdb_len); in atapi_request_sense()
2503 qc->cdb[0] = REQUEST_SENSE; in atapi_request_sense()
2504 qc->cdb[4] = SCSI_SENSE_BUFFERSIZE; in atapi_request_sense()
2506 qc->tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE; in atapi_request_sense()
2507 qc->tf.command = ATA_CMD_PACKET; in atapi_request_sense()
2510 qc->tf.protocol = ATAPI_PROT_DMA; in atapi_request_sense()
2511 qc->tf.feature |= ATAPI_PKT_DMA; in atapi_request_sense()
2513 qc->tf.protocol = ATAPI_PROT_PIO; in atapi_request_sense()
2514 qc->tf.lbam = SCSI_SENSE_BUFFERSIZE; in atapi_request_sense()
2515 qc->tf.lbah = 0; in atapi_request_sense()
2517 qc->nbytes = SCSI_SENSE_BUFFERSIZE; in atapi_request_sense()
2519 qc->complete_fn = atapi_sense_complete; in atapi_request_sense()
2530 * 1) Fake MMC-5 version, to indicate to the Linux scsi midlayer this is a
2548 struct scsi_cmnd *cmd = qc->scsicmd; in atapi_qc_complete()
2549 unsigned int err_mask = qc->err_mask; in atapi_qc_complete()
2554 if (unlikely(qc->ap->ops->error_handler && in atapi_qc_complete()
2555 (err_mask || qc->flags & ATA_QCFLAG_SENSE_VALID))) { in atapi_qc_complete()
2557 if (!(qc->flags & ATA_QCFLAG_SENSE_VALID)) { in atapi_qc_complete()
2559 * translation of taskfile registers into a in atapi_qc_complete()
2566 /* SCSI EH automatically locks door if sdev->locked is in atapi_qc_complete()
2569 * creates a loop - SCSI EH issues door lock which in atapi_qc_complete()
2573 * If door lock fails, always clear sdev->locked to in atapi_qc_complete()
2577 * sure qc->dev->sdev isn't NULL before dereferencing. in atapi_qc_complete()
2579 if (qc->cdb[0] == ALLOW_MEDIUM_REMOVAL && qc->dev->sdev) in atapi_qc_complete()
2580 qc->dev->sdev->locked = 0; in atapi_qc_complete()
2582 qc->scsicmd->result = SAM_STAT_CHECK_CONDITION; in atapi_qc_complete()
2589 cmd->result = SAM_STAT_CHECK_CONDITION; in atapi_qc_complete()
2595 * a sense descriptors, since that's only in atapi_qc_complete()
2600 if (cmd->cmnd[0] == INQUIRY && (cmd->cmnd[1] & 0x03) == 0) in atapi_qc_complete()
2602 cmd->result = SAM_STAT_GOOD; in atapi_qc_complete()
2608 * atapi_xlat - Initialize PACKET taskfile
2615 * Zero on success, non-zero on failure.
2619 struct scsi_cmnd *scmd = qc->scsicmd; in atapi_xlat()
2620 struct ata_device *dev = qc->dev; in atapi_xlat()
2621 int nodata = (scmd->sc_data_direction == DMA_NONE); in atapi_xlat()
2622 int using_pio = !nodata && (dev->flags & ATA_DFLAG_PIO); in atapi_xlat()
2625 memset(qc->cdb, 0, dev->cdb_len); in atapi_xlat()
2626 memcpy(qc->cdb, scmd->cmnd, scmd->cmd_len); in atapi_xlat()
2628 qc->complete_fn = atapi_qc_complete; in atapi_xlat()
2630 qc->tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE; in atapi_xlat()
2631 if (scmd->sc_data_direction == DMA_TO_DEVICE) { in atapi_xlat()
2632 qc->tf.flags |= ATA_TFLAG_WRITE; in atapi_xlat()
2636 qc->tf.command = ATA_CMD_PACKET; in atapi_xlat()
2677 qc->tf.lbam = (nbytes & 0xFF); in atapi_xlat()
2678 qc->tf.lbah = (nbytes >> 8); in atapi_xlat()
2681 qc->tf.protocol = ATAPI_PROT_NODATA; in atapi_xlat()
2683 qc->tf.protocol = ATAPI_PROT_PIO; in atapi_xlat()
2686 qc->tf.protocol = ATAPI_PROT_DMA; in atapi_xlat()
2687 qc->tf.feature |= ATAPI_PKT_DMA; in atapi_xlat()
2689 if ((dev->flags & ATA_DFLAG_DMADIR) && in atapi_xlat()
2690 (scmd->sc_data_direction != DMA_TO_DEVICE)) in atapi_xlat()
2692 qc->tf.feature |= ATAPI_DMADIR; in atapi_xlat()
2696 /* FIXME: We need to translate 0x05 READ_BLOCK_LIMITS to a MODE_SENSE in atapi_xlat()
2705 devno < ata_link_max_devices(&ap->link))) in ata_find_dev()
2706 return &ap->link.device[devno]; in ata_find_dev()
2709 devno < ap->nr_pmp_links)) in ata_find_dev()
2710 return &ap->pmp_link[devno].device[0]; in ata_find_dev()
2723 if (unlikely(scsidev->channel || scsidev->lun)) in __ata_scsi_find_dev()
2725 devno = scsidev->id; in __ata_scsi_find_dev()
2727 if (unlikely(scsidev->id || scsidev->lun)) in __ata_scsi_find_dev()
2729 devno = scsidev->channel; in __ata_scsi_find_dev()
2736 * ata_scsi_find_dev - lookup ata_device from scsi_cmnd
2763 * ata_scsi_map_proto - Map pass-thru protocol value to taskfile value.
2764 * @byte1: Byte 1 from pass-thru CDB.
2773 case 3: /* Non-data */ in ata_scsi_map_proto()
2777 case 10: /* UDMA Data-in */ in ata_scsi_map_proto()
2778 case 11: /* UDMA Data-Out */ in ata_scsi_map_proto()
2781 case 4: /* PIO Data-in */ in ata_scsi_map_proto()
2782 case 5: /* PIO Data-out */ in ata_scsi_map_proto()
2802 * ata_scsi_pass_thru - convert ATA pass-thru CDB to taskfile
2805 * Handles either 12, 16, or 32-byte versions of the CDB.
2808 * Zero on success, non-zero on failure.
2812 struct ata_taskfile *tf = &(qc->tf); in ata_scsi_pass_thru() local
2813 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_pass_thru()
2814 struct ata_device *dev = qc->dev; in ata_scsi_pass_thru()
2815 const u8 *cdb = scmd->cmnd; in ata_scsi_pass_thru()
2819 /* 7Fh variable length cmd means a ata pass-thru(32) */ in ata_scsi_pass_thru()
2823 tf->protocol = ata_scsi_map_proto(cdb[1 + cdb_offset]); in ata_scsi_pass_thru()
2824 if (tf->protocol == ATA_PROT_UNKNOWN) { in ata_scsi_pass_thru()
2829 if (ata_is_ncq(tf->protocol) && (cdb[2 + cdb_offset] & 0x3) == 0) in ata_scsi_pass_thru()
2830 tf->protocol = ATA_PROT_NCQ_NODATA; in ata_scsi_pass_thru()
2833 tf->flags |= ATA_TFLAG_LBA; in ata_scsi_pass_thru()
2841 * 16-byte CDB - may contain extended commands. in ata_scsi_pass_thru()
2846 tf->hob_feature = cdb[3]; in ata_scsi_pass_thru()
2847 tf->hob_nsect = cdb[5]; in ata_scsi_pass_thru()
2848 tf->hob_lbal = cdb[7]; in ata_scsi_pass_thru()
2849 tf->hob_lbam = cdb[9]; in ata_scsi_pass_thru()
2850 tf->hob_lbah = cdb[11]; in ata_scsi_pass_thru()
2851 tf->flags |= ATA_TFLAG_LBA48; in ata_scsi_pass_thru()
2853 tf->flags &= ~ATA_TFLAG_LBA48; in ata_scsi_pass_thru()
2858 tf->feature = cdb[4]; in ata_scsi_pass_thru()
2859 tf->nsect = cdb[6]; in ata_scsi_pass_thru()
2860 tf->lbal = cdb[8]; in ata_scsi_pass_thru()
2861 tf->lbam = cdb[10]; in ata_scsi_pass_thru()
2862 tf->lbah = cdb[12]; in ata_scsi_pass_thru()
2863 tf->device = cdb[13]; in ata_scsi_pass_thru()
2864 tf->command = cdb[14]; in ata_scsi_pass_thru()
2867 * 12-byte CDB - incapable of extended commands. in ata_scsi_pass_thru()
2869 tf->flags &= ~ATA_TFLAG_LBA48; in ata_scsi_pass_thru()
2871 tf->feature = cdb[3]; in ata_scsi_pass_thru()
2872 tf->nsect = cdb[4]; in ata_scsi_pass_thru()
2873 tf->lbal = cdb[5]; in ata_scsi_pass_thru()
2874 tf->lbam = cdb[6]; in ata_scsi_pass_thru()
2875 tf->lbah = cdb[7]; in ata_scsi_pass_thru()
2876 tf->device = cdb[8]; in ata_scsi_pass_thru()
2877 tf->command = cdb[9]; in ata_scsi_pass_thru()
2880 * 32-byte CDB - may contain extended command fields. in ata_scsi_pass_thru()
2885 tf->hob_feature = cdb[20]; in ata_scsi_pass_thru()
2886 tf->hob_nsect = cdb[22]; in ata_scsi_pass_thru()
2887 tf->hob_lbal = cdb[16]; in ata_scsi_pass_thru()
2888 tf->hob_lbam = cdb[15]; in ata_scsi_pass_thru()
2889 tf->hob_lbah = cdb[14]; in ata_scsi_pass_thru()
2890 tf->flags |= ATA_TFLAG_LBA48; in ata_scsi_pass_thru()
2892 tf->flags &= ~ATA_TFLAG_LBA48; in ata_scsi_pass_thru()
2894 tf->feature = cdb[21]; in ata_scsi_pass_thru()
2895 tf->nsect = cdb[23]; in ata_scsi_pass_thru()
2896 tf->lbal = cdb[19]; in ata_scsi_pass_thru()
2897 tf->lbam = cdb[18]; in ata_scsi_pass_thru()
2898 tf->lbah = cdb[17]; in ata_scsi_pass_thru()
2899 tf->device = cdb[24]; in ata_scsi_pass_thru()
2900 tf->command = cdb[25]; in ata_scsi_pass_thru()
2901 tf->auxiliary = get_unaligned_be32(&cdb[28]); in ata_scsi_pass_thru()
2905 if (ata_is_ncq(tf->protocol)) in ata_scsi_pass_thru()
2906 tf->nsect = qc->hw_tag << 3; in ata_scsi_pass_thru()
2909 tf->device = dev->devno ? in ata_scsi_pass_thru()
2910 tf->device | ATA_DEV1 : tf->device & ~ATA_DEV1; in ata_scsi_pass_thru()
2912 switch (tf->command) { in ata_scsi_pass_thru()
2913 /* READ/WRITE LONG use a non-standard sect_size */ in ata_scsi_pass_thru()
2918 if (tf->protocol != ATA_PROT_PIO || tf->nsect != 1) { in ata_scsi_pass_thru()
2922 qc->sect_size = scsi_bufflen(scmd); in ata_scsi_pass_thru()
2956 qc->sect_size = scmd->device->sector_size; in ata_scsi_pass_thru()
2961 qc->sect_size = ATA_SECT_SIZE; in ata_scsi_pass_thru()
2966 * write indication (used for PIO/DMA setup), result TF is in ata_scsi_pass_thru()
2969 tf->flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE; in ata_scsi_pass_thru()
2970 if (scmd->sc_data_direction == DMA_TO_DEVICE) in ata_scsi_pass_thru()
2971 tf->flags |= ATA_TFLAG_WRITE; in ata_scsi_pass_thru()
2973 qc->flags |= ATA_QCFLAG_RESULT_TF | ATA_QCFLAG_QUIET; in ata_scsi_pass_thru()
2984 if (tf->protocol == ATA_PROT_DMA && dev->dma_mode == 0) { in ata_scsi_pass_thru()
2990 if (ata_is_ncq(tf->protocol) && !ata_ncq_enabled(dev)) { in ata_scsi_pass_thru()
2996 if ((cdb[1] & 0xe0) && !is_multi_taskfile(tf)) { in ata_scsi_pass_thru()
3001 if (is_multi_taskfile(tf)) { in ata_scsi_pass_thru()
3007 if (multi_count != dev->multi_count) in ata_scsi_pass_thru()
3013 * Filter SET_FEATURES - XFER MODE command -- otherwise, in ata_scsi_pass_thru()
3014 * SET_FEATURES - XFER MODE must be preceded/succeeded in ata_scsi_pass_thru()
3015 * by an update to hardware-specific registers for each in ata_scsi_pass_thru()
3016 * controller (i.e. the reason for ->set_piomode(), in ata_scsi_pass_thru()
3017 * ->set_dmamode(), and ->post_set_mode() hooks). in ata_scsi_pass_thru()
3019 if (tf->command == ATA_CMD_SET_FEATURES && in ata_scsi_pass_thru()
3020 tf->feature == SETFEATURES_XFER) { in ata_scsi_pass_thru()
3029 * have a real reason for wanting to use them. This ensures in ata_scsi_pass_thru()
3034 * Note that for ATA8 we can issue a DCS change and DCS freeze lock in ata_scsi_pass_thru()
3040 if (tf->command >= 0x5C && tf->command <= 0x5F && !libata_allow_tpm) { in ata_scsi_pass_thru()
3053 * ata_format_dsm_trim_descr() - SATL Write Same to DSM Trim
3059 * Rewrite the WRITE SAME descriptor to be a DSM TRIM little-endian formatted
3076 struct scsi_device *sdp = cmd->device; in ata_format_dsm_trim_descr()
3077 size_t len = sdp->sector_size; in ata_format_dsm_trim_descr()
3097 count -= 0xffff; in ata_format_dsm_trim_descr()
3107 * ata_scsi_write_same_xlat() - SATL Write Same to ATA SCT Write Same
3110 * Translate a SCSI WRITE SAME command to be either a DSM TRIM command or
3114 * - When set translate to DSM TRIM
3115 * - When clear translate to SCT Write Same
3119 struct ata_taskfile *tf = &qc->tf; in ata_scsi_write_same_xlat() local
3120 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_write_same_xlat()
3121 struct scsi_device *sdp = scmd->device; in ata_scsi_write_same_xlat()
3122 size_t len = sdp->sector_size; in ata_scsi_write_same_xlat()
3123 struct ata_device *dev = qc->dev; in ata_scsi_write_same_xlat()
3124 const u8 *cdb = scmd->cmnd; in ata_scsi_write_same_xlat()
3134 if (unlikely(!dev->dma_mode)) in ata_scsi_write_same_xlat()
3145 if (unlikely(scmd->cmd_len < 16)) { in ata_scsi_write_same_xlat()
3152 (dev->horkage & ATA_HORKAGE_NOTRIM) || in ata_scsi_write_same_xlat()
3153 !ata_id_has_trim(dev->id)) { in ata_scsi_write_same_xlat()
3165 * WRITE SAME always has a sector sized buffer as payload, this in ata_scsi_write_same_xlat()
3166 * should never be a multiple entry S/G list. in ata_scsi_write_same_xlat()
3173 * For DATA SET MANAGEMENT TRIM in ACS-2 nsect (aka count) in ata_scsi_write_same_xlat()
3183 tf->protocol = ATA_PROT_NCQ; in ata_scsi_write_same_xlat()
3184 tf->command = ATA_CMD_FPDMA_SEND; in ata_scsi_write_same_xlat()
3185 tf->hob_nsect = ATA_SUBCMD_FPDMA_SEND_DSM & 0x1f; in ata_scsi_write_same_xlat()
3186 tf->nsect = qc->hw_tag << 3; in ata_scsi_write_same_xlat()
3187 tf->hob_feature = (size / 512) >> 8; in ata_scsi_write_same_xlat()
3188 tf->feature = size / 512; in ata_scsi_write_same_xlat()
3190 tf->auxiliary = 1; in ata_scsi_write_same_xlat()
3192 tf->protocol = ATA_PROT_DMA; in ata_scsi_write_same_xlat()
3193 tf->hob_feature = 0; in ata_scsi_write_same_xlat()
3194 tf->feature = ATA_DSM_TRIM; in ata_scsi_write_same_xlat()
3195 tf->hob_nsect = (size / 512) >> 8; in ata_scsi_write_same_xlat()
3196 tf->nsect = size / 512; in ata_scsi_write_same_xlat()
3197 tf->command = ATA_CMD_DSM; in ata_scsi_write_same_xlat()
3200 tf->flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE | ATA_TFLAG_LBA48 | in ata_scsi_write_same_xlat()
3221 * ata_scsiop_maint_in - Simulate a subset of MAINTENANCE_IN
3225 * Yields a subset to satisfy scsi_report_opcode()
3232 struct ata_device *dev = args->dev; in ata_scsiop_maint_in()
3233 u8 *cdb = args->cmd->cmnd; in ata_scsiop_maint_in()
3274 if (ata_id_zoned_cap(dev->id) || in ata_scsiop_maint_in()
3275 dev->class == ATA_DEV_ZAC) in ata_scsiop_maint_in()
3280 if (dev->flags & ATA_DFLAG_TRUSTED) in ata_scsiop_maint_in()
3292 * ata_scsi_report_zones_complete - convert ATA output
3295 * Convert T-13 little-endian field representation into
3296 * T-10 big-endian field representation.
3297 * What a mess.
3301 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_report_zones_complete()
3364 struct ata_taskfile *tf = &qc->tf; in ata_scsi_zbc_in_xlat() local
3365 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_zbc_in_xlat()
3366 const u8 *cdb = scmd->cmnd; in ata_scsi_zbc_in_xlat()
3367 u16 sect, fp = (u16)-1; in ata_scsi_zbc_in_xlat()
3372 if (unlikely(scmd->cmd_len < 16)) { in ata_scsi_zbc_in_xlat()
3373 ata_dev_warn(qc->dev, "invalid cdb length %d\n", in ata_scsi_zbc_in_xlat()
3374 scmd->cmd_len); in ata_scsi_zbc_in_xlat()
3380 ata_dev_warn(qc->dev, "non-matching transfer count (%d/%d)\n", in ata_scsi_zbc_in_xlat()
3386 ata_dev_warn(qc->dev, "invalid service action %d\n", sa); in ata_scsi_zbc_in_xlat()
3392 * and uses a 16 bit value for the transfer count. in ata_scsi_zbc_in_xlat()
3395 ata_dev_warn(qc->dev, "invalid transfer count %d\n", n_block); in ata_scsi_zbc_in_xlat()
3401 if (ata_ncq_enabled(qc->dev) && in ata_scsi_zbc_in_xlat()
3402 ata_fpdma_zac_mgmt_in_supported(qc->dev)) { in ata_scsi_zbc_in_xlat()
3403 tf->protocol = ATA_PROT_NCQ; in ata_scsi_zbc_in_xlat()
3404 tf->command = ATA_CMD_FPDMA_RECV; in ata_scsi_zbc_in_xlat()
3405 tf->hob_nsect = ATA_SUBCMD_FPDMA_RECV_ZAC_MGMT_IN & 0x1f; in ata_scsi_zbc_in_xlat()
3406 tf->nsect = qc->hw_tag << 3; in ata_scsi_zbc_in_xlat()
3407 tf->feature = sect & 0xff; in ata_scsi_zbc_in_xlat()
3408 tf->hob_feature = (sect >> 8) & 0xff; in ata_scsi_zbc_in_xlat()
3409 tf->auxiliary = ATA_SUBCMD_ZAC_MGMT_IN_REPORT_ZONES | (options << 8); in ata_scsi_zbc_in_xlat()
3411 tf->command = ATA_CMD_ZAC_MGMT_IN; in ata_scsi_zbc_in_xlat()
3412 tf->feature = ATA_SUBCMD_ZAC_MGMT_IN_REPORT_ZONES; in ata_scsi_zbc_in_xlat()
3413 tf->protocol = ATA_PROT_DMA; in ata_scsi_zbc_in_xlat()
3414 tf->hob_feature = options; in ata_scsi_zbc_in_xlat()
3415 tf->hob_nsect = (sect >> 8) & 0xff; in ata_scsi_zbc_in_xlat()
3416 tf->nsect = sect & 0xff; in ata_scsi_zbc_in_xlat()
3418 tf->device = ATA_LBA; in ata_scsi_zbc_in_xlat()
3419 tf->lbah = (block >> 16) & 0xff; in ata_scsi_zbc_in_xlat()
3420 tf->lbam = (block >> 8) & 0xff; in ata_scsi_zbc_in_xlat()
3421 tf->lbal = block & 0xff; in ata_scsi_zbc_in_xlat()
3422 tf->hob_lbah = (block >> 40) & 0xff; in ata_scsi_zbc_in_xlat()
3423 tf->hob_lbam = (block >> 32) & 0xff; in ata_scsi_zbc_in_xlat()
3424 tf->hob_lbal = (block >> 24) & 0xff; in ata_scsi_zbc_in_xlat()
3426 tf->flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE | ATA_TFLAG_LBA48; in ata_scsi_zbc_in_xlat()
3427 qc->flags |= ATA_QCFLAG_RESULT_TF; in ata_scsi_zbc_in_xlat()
3431 qc->complete_fn = ata_scsi_report_zones_complete; in ata_scsi_zbc_in_xlat()
3436 ata_scsi_set_invalid_field(qc->dev, scmd, fp, bp); in ata_scsi_zbc_in_xlat()
3441 ata_scsi_set_sense(qc->dev, scmd, ILLEGAL_REQUEST, 0x1a, 0x0); in ata_scsi_zbc_in_xlat()
3447 struct ata_taskfile *tf = &qc->tf; in ata_scsi_zbc_out_xlat() local
3448 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_zbc_out_xlat()
3449 struct ata_device *dev = qc->dev; in ata_scsi_zbc_out_xlat()
3450 const u8 *cdb = scmd->cmnd; in ata_scsi_zbc_out_xlat()
3454 u16 fp = (u16)-1; in ata_scsi_zbc_out_xlat()
3456 if (unlikely(scmd->cmd_len < 16)) { in ata_scsi_zbc_out_xlat()
3482 } else if (block >= dev->n_sectors) { in ata_scsi_zbc_out_xlat()
3484 * Block must be a valid zone ID (a zone start LBA). in ata_scsi_zbc_out_xlat()
3490 if (ata_ncq_enabled(qc->dev) && in ata_scsi_zbc_out_xlat()
3491 ata_fpdma_zac_mgmt_out_supported(qc->dev)) { in ata_scsi_zbc_out_xlat()
3492 tf->protocol = ATA_PROT_NCQ_NODATA; in ata_scsi_zbc_out_xlat()
3493 tf->command = ATA_CMD_NCQ_NON_DATA; in ata_scsi_zbc_out_xlat()
3494 tf->feature = ATA_SUBCMD_NCQ_NON_DATA_ZAC_MGMT_OUT; in ata_scsi_zbc_out_xlat()
3495 tf->nsect = qc->hw_tag << 3; in ata_scsi_zbc_out_xlat()
3496 tf->auxiliary = sa | ((u16)all << 8); in ata_scsi_zbc_out_xlat()
3498 tf->protocol = ATA_PROT_NODATA; in ata_scsi_zbc_out_xlat()
3499 tf->command = ATA_CMD_ZAC_MGMT_OUT; in ata_scsi_zbc_out_xlat()
3500 tf->feature = sa; in ata_scsi_zbc_out_xlat()
3501 tf->hob_feature = all; in ata_scsi_zbc_out_xlat()
3503 tf->lbah = (block >> 16) & 0xff; in ata_scsi_zbc_out_xlat()
3504 tf->lbam = (block >> 8) & 0xff; in ata_scsi_zbc_out_xlat()
3505 tf->lbal = block & 0xff; in ata_scsi_zbc_out_xlat()
3506 tf->hob_lbah = (block >> 40) & 0xff; in ata_scsi_zbc_out_xlat()
3507 tf->hob_lbam = (block >> 32) & 0xff; in ata_scsi_zbc_out_xlat()
3508 tf->hob_lbal = (block >> 24) & 0xff; in ata_scsi_zbc_out_xlat()
3509 tf->device = ATA_LBA; in ata_scsi_zbc_out_xlat()
3510 tf->flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE | ATA_TFLAG_LBA48; in ata_scsi_zbc_out_xlat()
3515 ata_scsi_set_invalid_field(qc->dev, scmd, fp, 0xff); in ata_scsi_zbc_out_xlat()
3519 ata_scsi_set_sense(qc->dev, scmd, ILLEGAL_REQUEST, 0x1a, 0x0); in ata_scsi_zbc_out_xlat()
3524 * ata_mselect_caching - Simulate MODE SELECT for caching info page
3530 * Prepare a taskfile to modify caching information for the device.
3538 struct ata_taskfile *tf = &qc->tf; in ata_mselect_caching() local
3539 struct ata_device *dev = qc->dev; in ata_mselect_caching()
3545 * The first two bytes of def_cache_mpage are a header, so offsets in ata_mselect_caching()
3549 if (len != CACHE_MPAGE_LEN - 2) { in ata_mselect_caching()
3550 if (len < CACHE_MPAGE_LEN - 2) in ata_mselect_caching()
3553 *fp = CACHE_MPAGE_LEN - 2; in ata_mselect_caching()
3554 return -EINVAL; in ata_mselect_caching()
3560 * Check that read-only bits are not modified. in ata_mselect_caching()
3562 ata_msense_caching(dev->id, mpage, false); in ata_mselect_caching()
3563 for (i = 0; i < CACHE_MPAGE_LEN - 2; i++) { in ata_mselect_caching()
3568 return -EINVAL; in ata_mselect_caching()
3572 tf->flags |= ATA_TFLAG_DEVICE | ATA_TFLAG_ISADDR; in ata_mselect_caching()
3573 tf->protocol = ATA_PROT_NODATA; in ata_mselect_caching()
3574 tf->nsect = 0; in ata_mselect_caching()
3575 tf->command = ATA_CMD_SET_FEATURES; in ata_mselect_caching()
3576 tf->feature = wce ? SETFEATURES_WC_ON : SETFEATURES_WC_OFF; in ata_mselect_caching()
3581 * ata_mselect_control - Simulate MODE SELECT for control page
3587 * Prepare a taskfile to modify caching information for the device.
3595 struct ata_device *dev = qc->dev; in ata_mselect_control()
3601 * The first two bytes of def_control_mpage are a header, so offsets in ata_mselect_control()
3605 if (len != CONTROL_MPAGE_LEN - 2) { in ata_mselect_control()
3606 if (len < CONTROL_MPAGE_LEN - 2) in ata_mselect_control()
3609 *fp = CONTROL_MPAGE_LEN - 2; in ata_mselect_control()
3610 return -EINVAL; in ata_mselect_control()
3616 * Check that read-only bits are not modified. in ata_mselect_control()
3619 for (i = 0; i < CONTROL_MPAGE_LEN - 2; i++) { in ata_mselect_control()
3624 return -EINVAL; in ata_mselect_control()
3628 dev->flags |= ATA_DFLAG_D_SENSE; in ata_mselect_control()
3630 dev->flags &= ~ATA_DFLAG_D_SENSE; in ata_mselect_control()
3635 * ata_scsi_mode_select_xlat - Simulate MODE SELECT 6, 10 commands
3638 * Converts a MODE SELECT command to an ATA SET FEATURES taskfile.
3647 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_mode_select_xlat()
3648 const u8 *cdb = scmd->cmnd; in ata_scsi_mode_select_xlat()
3652 u16 fp = (u16)-1; in ata_scsi_mode_select_xlat()
3661 if (scmd->cmd_len < 5) { in ata_scsi_mode_select_xlat()
3669 if (scmd->cmd_len < 9) { in ata_scsi_mode_select_xlat()
3686 if (!scsi_sg_count(scmd) || scsi_sglist(scmd)->length < len) in ata_scsi_mode_select_xlat()
3702 len -= hdr_len; in ata_scsi_mode_select_xlat()
3712 len -= bd_len; in ata_scsi_mode_select_xlat()
3726 len -= 4; in ata_scsi_mode_select_xlat()
3734 len -= 2; in ata_scsi_mode_select_xlat()
3771 * page at a time. in ata_scsi_mode_select_xlat()
3779 ata_scsi_set_invalid_field(qc->dev, scmd, fp, bp); in ata_scsi_mode_select_xlat()
3783 ata_scsi_set_invalid_parameter(qc->dev, scmd, fp); in ata_scsi_mode_select_xlat()
3788 ata_scsi_set_sense(qc->dev, scmd, ILLEGAL_REQUEST, 0x1a, 0x0); in ata_scsi_mode_select_xlat()
3792 scmd->result = SAM_STAT_GOOD; in ata_scsi_mode_select_xlat()
3808 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_security_inout_xlat()
3809 const u8 *cdb = scmd->cmnd; in ata_scsi_security_inout_xlat()
3810 struct ata_taskfile *tf = &qc->tf; in ata_scsi_security_inout_xlat() local
3815 bool dma = !(qc->dev->flags & ATA_DFLAG_PIO); in ata_scsi_security_inout_xlat()
3821 ata_scsi_set_invalid_field(qc->dev, scmd, 1, 0); in ata_scsi_security_inout_xlat()
3827 ata_scsi_set_invalid_field(qc->dev, scmd, 6, 0); in ata_scsi_security_inout_xlat()
3832 ata_scsi_set_invalid_field(qc->dev, scmd, 6, 0); in ata_scsi_security_inout_xlat()
3836 /* convert to the sector-based ATA addressing */ in ata_scsi_security_inout_xlat()
3840 tf->protocol = dma ? ATA_PROT_DMA : ATA_PROT_PIO; in ata_scsi_security_inout_xlat()
3841 tf->flags |= ATA_TFLAG_DEVICE | ATA_TFLAG_ISADDR | ATA_TFLAG_LBA; in ata_scsi_security_inout_xlat()
3843 tf->flags |= ATA_TFLAG_WRITE; in ata_scsi_security_inout_xlat()
3844 tf->command = ata_scsi_trusted_op(len, send, dma); in ata_scsi_security_inout_xlat()
3845 tf->feature = secp; in ata_scsi_security_inout_xlat()
3846 tf->lbam = spsp & 0xff; in ata_scsi_security_inout_xlat()
3847 tf->lbah = spsp >> 8; in ata_scsi_security_inout_xlat()
3850 tf->nsect = len & 0xff; in ata_scsi_security_inout_xlat()
3851 tf->lbal = len >> 8; in ata_scsi_security_inout_xlat()
3854 tf->lbah = (1 << 7); in ata_scsi_security_inout_xlat()
3862 * ata_scsi_var_len_cdb_xlat - SATL variable length CDB to Handler
3865 * Translate a SCSI variable length CDB to specified commands.
3866 * It checks a service action value in CDB to call corresponding handler.
3869 * Zero on success, non-zero on failure
3874 struct scsi_cmnd *scmd = qc->scsicmd; in ata_scsi_var_len_cdb_xlat()
3875 const u8 *cdb = scmd->cmnd; in ata_scsi_var_len_cdb_xlat()
3879 * if service action represents a ata pass-thru(32) command, in ata_scsi_var_len_cdb_xlat()
3890 * ata_get_xlat_func - check if SCSI to ATA translation is possible
3945 if (!(dev->flags & ATA_DFLAG_TRUSTED)) in ata_get_xlat_func()
3957 * ata_scsi_dump_cdb - dump SCSI command contents to dmesg
3961 * Prints the contents of a SCSI command via printk().
3967 struct scsi_device *scsidev = cmd->device; in ata_scsi_dump_cdb()
3970 ap->print_id, in ata_scsi_dump_cdb()
3971 scsidev->channel, scsidev->id, scsidev->lun, in ata_scsi_dump_cdb()
3972 cmd->cmnd); in ata_scsi_dump_cdb()
3978 u8 scsi_op = scmd->cmnd[0]; in __ata_scsi_queuecmd()
3982 if (dev->class == ATA_DEV_ATA || dev->class == ATA_DEV_ZAC) { in __ata_scsi_queuecmd()
3983 if (unlikely(!scmd->cmd_len || scmd->cmd_len > dev->cdb_len)) in __ata_scsi_queuecmd()
3988 if (unlikely(!scmd->cmd_len)) in __ata_scsi_queuecmd()
3995 if (unlikely(len > scmd->cmd_len || in __ata_scsi_queuecmd()
3996 len > dev->cdb_len || in __ata_scsi_queuecmd()
3997 scmd->cmd_len > ATAPI_CDB_LEN)) in __ata_scsi_queuecmd()
4003 if (unlikely(scmd->cmd_len > 16)) in __ata_scsi_queuecmd()
4019 scmd->cmd_len, scsi_op, dev->cdb_len); in __ata_scsi_queuecmd()
4020 scmd->result = DID_ERROR << 16; in __ata_scsi_queuecmd()
4021 scmd->scsi_done(scmd); in __ata_scsi_queuecmd()
4026 * ata_scsi_queuecmd - Issue SCSI cdb to libata-managed device
4032 * hardware. In other cases, this function simulates a
4048 struct scsi_device *scsidev = cmd->device; in ata_scsi_queuecmd()
4054 spin_lock_irqsave(ap->lock, irq_flags); in ata_scsi_queuecmd()
4062 cmd->result = (DID_BAD_TARGET << 16); in ata_scsi_queuecmd()
4063 cmd->scsi_done(cmd); in ata_scsi_queuecmd()
4066 spin_unlock_irqrestore(ap->lock, irq_flags); in ata_scsi_queuecmd()
4073 * ata_scsi_simulate - simulate SCSI command on ATA device
4077 * Interprets and directly executes a select list of SCSI commands
4087 const u8 *scsicmd = cmd->cmnd; in ata_scsi_simulate()
4091 args.id = dev->id; in ata_scsi_simulate()
4123 if (dev->flags & ATA_DFLAG_ZAC) { in ata_scsi_simulate()
4159 * turning this into a no-op. in ata_scsi_simulate()
4164 /* no-op's, complete with success */ in ata_scsi_simulate()
4191 cmd->scsi_done(cmd); in ata_scsi_simulate()
4198 for (i = 0; i < host->n_ports; i++) { in ata_scsi_add_hosts()
4199 struct ata_port *ap = host->ports[i]; in ata_scsi_add_hosts()
4202 rc = -ENOMEM; in ata_scsi_add_hosts()
4207 shost->eh_noresume = 1; in ata_scsi_add_hosts()
4208 *(struct ata_port **)&shost->hostdata[0] = ap; in ata_scsi_add_hosts()
4209 ap->scsi_host = shost; in ata_scsi_add_hosts()
4211 shost->transportt = ata_scsi_transport_template; in ata_scsi_add_hosts()
4212 shost->unique_id = ap->print_id; in ata_scsi_add_hosts()
4213 shost->max_id = 16; in ata_scsi_add_hosts()
4214 shost->max_lun = 1; in ata_scsi_add_hosts()
4215 shost->max_channel = 1; in ata_scsi_add_hosts()
4216 shost->max_cmd_len = 32; in ata_scsi_add_hosts()
4218 /* Schedule policy is determined by ->qc_defer() in ata_scsi_add_hosts()
4223 shost->max_host_blocked = 1; in ata_scsi_add_hosts()
4225 rc = scsi_add_host_with_dma(shost, &ap->tdev, ap->host->dev); in ata_scsi_add_hosts()
4233 while (--i >= 0) { in ata_scsi_add_hosts()
4234 struct Scsi_Host *shost = host->ports[i]->scsi_host; in ata_scsi_add_hosts()
4245 struct scsi_device *sdev = dev->sdev; in ata_scsi_assign_ofnode()
4246 struct device *d = ap->host->dev; in ata_scsi_assign_ofnode()
4247 struct device_node *np = d->of_node; in ata_scsi_assign_ofnode()
4257 if (val == dev->devno) { in ata_scsi_assign_ofnode()
4259 sdev->sdev_gendev.of_node = child; in ata_scsi_assign_ofnode()
4283 if (dev->sdev) in ata_scsi_scan_host()
4287 id = dev->devno; in ata_scsi_scan_host()
4289 channel = link->pmp; in ata_scsi_scan_host()
4291 sdev = __scsi_add_device(ap->scsi_host, channel, id, 0, in ata_scsi_scan_host()
4294 dev->sdev = sdev; in ata_scsi_scan_host()
4298 dev->sdev = NULL; in ata_scsi_scan_host()
4309 if (!dev->sdev) in ata_scsi_scan_host()
4329 * a few more chances. in ata_scsi_scan_host()
4331 if (--tries) { in ata_scsi_scan_host()
4340 queue_delayed_work(system_long_wq, &ap->hotplug_task, in ata_scsi_scan_host()
4345 * ata_scsi_offline_dev - offline attached SCSI device
4350 * function is called with host lock which protects dev->sdev
4361 if (dev->sdev) { in ata_scsi_offline_dev()
4362 scsi_device_set_state(dev->sdev, SDEV_OFFLINE); in ata_scsi_offline_dev()
4369 * ata_scsi_remove_dev - remove attached SCSI device
4380 struct ata_port *ap = dev->link->ap; in ata_scsi_remove_dev()
4390 mutex_lock(&ap->scsi_host->scan_mutex); in ata_scsi_remove_dev()
4391 spin_lock_irqsave(ap->lock, flags); in ata_scsi_remove_dev()
4393 /* clearing dev->sdev is protected by host lock */ in ata_scsi_remove_dev()
4394 sdev = dev->sdev; in ata_scsi_remove_dev()
4395 dev->sdev = NULL; in ata_scsi_remove_dev()
4415 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_remove_dev()
4416 mutex_unlock(&ap->scsi_host->scan_mutex); in ata_scsi_remove_dev()
4420 dev_name(&sdev->sdev_gendev)); in ata_scsi_remove_dev()
4429 struct ata_port *ap = link->ap; in ata_scsi_handle_link_detach()
4435 if (!(dev->flags & ATA_DFLAG_DETACHED)) in ata_scsi_handle_link_detach()
4438 spin_lock_irqsave(ap->lock, flags); in ata_scsi_handle_link_detach()
4439 dev->flags &= ~ATA_DFLAG_DETACHED; in ata_scsi_handle_link_detach()
4440 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_handle_link_detach()
4450 * ata_scsi_media_change_notify - send media change event
4453 * Tell the block layer to send a media change notification
4461 if (dev->sdev) in ata_scsi_media_change_notify()
4462 sdev_evt_send_simple(dev->sdev, SDEV_EVT_MEDIA_CHANGE, in ata_scsi_media_change_notify()
4467 * ata_scsi_hotplug - SCSI part of hotplug
4470 * Perform SCSI part of hotplug. It's executed from a separate
4473 * synchronized with hot plugging with a mutex.
4484 if (ap->pflags & ATA_PFLAG_UNLOADING) { in ata_scsi_hotplug()
4485 DPRINTK("ENTER/EXIT - unloading\n"); in ata_scsi_hotplug()
4490 mutex_lock(&ap->scsi_scan_mutex); in ata_scsi_hotplug()
4496 ata_scsi_handle_link_detach(&ap->link); in ata_scsi_hotplug()
4497 if (ap->pmp_link) in ata_scsi_hotplug()
4499 ata_scsi_handle_link_detach(&ap->pmp_link[i]); in ata_scsi_hotplug()
4504 mutex_unlock(&ap->scsi_scan_mutex); in ata_scsi_hotplug()
4509 * ata_scsi_user_scan - indication for user-initiated bus scan
4531 if (!ap->ops->error_handler) in ata_scsi_user_scan()
4532 return -EOPNOTSUPP; in ata_scsi_user_scan()
4535 return -EINVAL; in ata_scsi_user_scan()
4539 return -EINVAL; in ata_scsi_user_scan()
4543 return -EINVAL; in ata_scsi_user_scan()
4547 spin_lock_irqsave(ap->lock, flags); in ata_scsi_user_scan()
4553 struct ata_eh_info *ehi = &link->eh_info; in ata_scsi_user_scan()
4554 ehi->probe_mask |= ATA_ALL_DEVICES; in ata_scsi_user_scan()
4555 ehi->action |= ATA_EH_RESET; in ata_scsi_user_scan()
4561 struct ata_eh_info *ehi = &dev->link->eh_info; in ata_scsi_user_scan()
4562 ehi->probe_mask |= 1 << dev->devno; in ata_scsi_user_scan()
4563 ehi->action |= ATA_EH_RESET; in ata_scsi_user_scan()
4565 rc = -EINVAL; in ata_scsi_user_scan()
4570 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_user_scan()
4573 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_user_scan()
4579 * ata_scsi_dev_rescan - initiate scsi_rescan_device()
4596 mutex_lock(&ap->scsi_scan_mutex); in ata_scsi_dev_rescan()
4597 spin_lock_irqsave(ap->lock, flags); in ata_scsi_dev_rescan()
4601 struct scsi_device *sdev = dev->sdev; in ata_scsi_dev_rescan()
4608 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_dev_rescan()
4609 scsi_rescan_device(&(sdev->sdev_gendev)); in ata_scsi_dev_rescan()
4611 spin_lock_irqsave(ap->lock, flags); in ata_scsi_dev_rescan()
4615 spin_unlock_irqrestore(ap->lock, flags); in ata_scsi_dev_rescan()
4616 mutex_unlock(&ap->scsi_scan_mutex); in ata_scsi_dev_rescan()