67 		if (ide_device_get(cd->drive))  in ide_cd_get()
79 	ide_drive_t *drive = cd->drive;  in ide_cd_put()  local
83 	ide_device_put(drive);  in ide_cd_put()
92 static void cdrom_saw_media_change(ide_drive_t *drive)  in cdrom_saw_media_change()  argument
94 	drive->dev_flags |= IDE_DFLAG_MEDIA_CHANGED;  in cdrom_saw_media_change()
95 	drive->atapi_flags &= ~IDE_AFLAG_TOC_VALID;  in cdrom_saw_media_change()
98 static int cdrom_log_sense(ide_drive_t *drive, struct request *rq)  in cdrom_log_sense()  argument
100 	struct request_sense *sense = &drive->sense_data;  in cdrom_log_sense()
124 		 * reliably check if drive can auto-close  in cdrom_log_sense()
136 		cdrom_saw_media_change(drive);  in cdrom_log_sense()
145 static void cdrom_analyze_sense_data(ide_drive_t *drive,  in cdrom_analyze_sense_data()  argument
148 	struct request_sense *sense = &drive->sense_data;  in cdrom_analyze_sense_data()
149 	struct cdrom_info *info = drive->driver_data;  in cdrom_analyze_sense_data()
160 	if (!cdrom_log_sense(drive, failed_command))  in cdrom_analyze_sense_data()
188 			if (queue_logical_block_size(drive->queue) == 2048)  in cdrom_analyze_sense_data()
204 			    drive->probed_capacity - sector < 4 * 75)  in cdrom_analyze_sense_data()
209 	ide_cd_log_error(drive->name, failed_command, sense);  in cdrom_analyze_sense_data()
212 static void ide_cd_complete_failed_rq(ide_drive_t *drive, struct request *rq)  in ide_cd_complete_failed_rq()  argument
225 		 * Sense is always read into drive->sense_data, copy back to the  in ide_cd_complete_failed_rq()
230 		cdrom_analyze_sense_data(drive, failed);  in ide_cd_complete_failed_rq()
232 		if (ide_end_rq(drive, failed, BLK_STS_IOERR, blk_rq_bytes(failed)))  in ide_cd_complete_failed_rq()
235 		cdrom_analyze_sense_data(drive, NULL);  in ide_cd_complete_failed_rq()
240  * Allow the drive 5 seconds to recover; some devices will return NOT_READY
246 static int ide_cd_breathe(ide_drive_t *drive, struct request *rq)  in ide_cd_breathe()  argument
249 	struct cdrom_info *info = drive->driver_data;  in ide_cd_breathe()
263 		blk_mq_delay_kick_requeue_list(drive->queue, 1);  in ide_cd_breathe()
268 static void ide_cd_free_sense(ide_drive_t *drive)  in ide_cd_free_sense()  argument
270 	if (!drive->sense_rq)  in ide_cd_free_sense()
273 	blk_mq_free_request(drive->sense_rq);  in ide_cd_free_sense()
274 	drive->sense_rq = NULL;  in ide_cd_free_sense()
275 	drive->sense_rq_armed = false;  in ide_cd_free_sense()
284 static int cdrom_decode_status(ide_drive_t *drive, u8 stat)  in cdrom_decode_status()  argument
286 	ide_hwif_t *hwif = drive->hwif;  in cdrom_decode_status()
291 	err = ide_read_error(drive);  in cdrom_decode_status()
300 		 * We got an error trying to get sense info from the drive  in cdrom_decode_status()
318 			if (ide_cd_breathe(drive, rq))  in cdrom_decode_status()
321 			cdrom_saw_media_change(drive);  in cdrom_decode_status()
326 					drive->name);  in cdrom_decode_status()
331 		cdrom_saw_media_change(drive);  in cdrom_decode_status()
347 		 * to close the tray if the drive doesn't have that capability.  in cdrom_decode_status()
360 			ide_dump_status(drive, "command error", stat);  in cdrom_decode_status()
369 			ide_dump_status(drive, "media error "  in cdrom_decode_status()
376 			ide_dump_status(drive, "media error (blank)",  in cdrom_decode_status()
385 			ide_error(drive, "cdrom_decode_status", stat);  in cdrom_decode_status()
406 		return ide_queue_sense_rq(drive, NULL) ? 2 : 1;  in cdrom_decode_status()
412 		return ide_queue_sense_rq(drive, rq) ? 2 : 1;  in cdrom_decode_status()
417 static void ide_cd_request_sense_fixup(ide_drive_t *drive, struct ide_cmd *cmd)  in ide_cd_request_sense_fixup()  argument
432 int ide_cd_queue_pc(ide_drive_t *drive, const unsigned char *cmd,  in ide_cd_queue_pc()  argument
437 	struct cdrom_info *info = drive->driver_data;  in ide_cd_queue_pc()
455 		rq = blk_get_request(drive->queue,  in ide_cd_queue_pc()
462 			error = blk_rq_map_kern(drive->queue, rq, buffer,  in ide_cd_queue_pc()
470 		blk_execute_rq(drive->queue, info->disk, rq, 0);  in ide_cd_queue_pc()
489 				cdrom_saw_media_change(drive);  in ide_cd_queue_pc()
493 				 * The drive is in the process of loading  in ide_cd_queue_pc()
495 				 * the drive time to complete the load.  in ide_cd_queue_pc()
516 static bool ide_cd_error_cmd(ide_drive_t *drive, struct ide_cmd *cmd)  in ide_cd_error_cmd()  argument
524 		ide_complete_rq(drive, BLK_STS_OK, nr_bytes);  in ide_cd_error_cmd()
595 static bool ide_cdrom_prep_rq(ide_drive_t *drive, struct request *rq)  in ide_cdrom_prep_rq()  argument
600 		return ide_cdrom_prep_fs(drive->queue, rq);  in ide_cdrom_prep_rq()
607 static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive)  in cdrom_newpc_intr()  argument
609 	ide_hwif_t *hwif = drive->hwif;  in cdrom_newpc_intr()
623 	dma = drive->dma;  in cdrom_newpc_intr()
625 		drive->dma = 0;  in cdrom_newpc_intr()
626 		drive->waiting_for_dma = 0;  in cdrom_newpc_intr()
627 		dma_error = hwif->dma_ops->dma_end(drive);  in cdrom_newpc_intr()
628 		ide_dma_unmap_sg(drive, cmd);  in cdrom_newpc_intr()
630 			printk(KERN_ERR PFX "%s: DMA %s error\n", drive->name,  in cdrom_newpc_intr()
632 			ide_dma_off(drive);  in cdrom_newpc_intr()
640 		rc = cdrom_decode_status(drive, stat);  in cdrom_newpc_intr()
651 			return ide_error(drive, "dma error", stat);  in cdrom_newpc_intr()
656 	ide_read_bcount_and_ireason(drive, &len, &ireason);  in cdrom_newpc_intr()
676 					"(%u bytes)\n", drive->name, __func__,  in cdrom_newpc_intr()
685 			ide_cd_request_sense_fixup(drive, cmd);  in cdrom_newpc_intr()
690 			 * suck out the remaining bytes from the drive in an  in cdrom_newpc_intr()
694 				ide_pio_bytes(drive, cmd, write, thislen);  in cdrom_newpc_intr()
707 	rc = ide_check_ireason(drive, rq, len, ireason, write);  in cdrom_newpc_intr()
724 		ide_pio_bytes(drive, cmd, write, blen);  in cdrom_newpc_intr()
737 			ide_pad_transfer(drive, write, len);  in cdrom_newpc_intr()
740 				drive->name);  in cdrom_newpc_intr()
760 	ide_set_handler(drive, cdrom_newpc_intr, timeout);  in cdrom_newpc_intr()
770 			ide_cd_complete_failed_rq(drive, rq);  in cdrom_newpc_intr()
781 			if (ide_cd_error_cmd(drive, cmd))  in cdrom_newpc_intr()
791 		ide_complete_rq(drive, uptodate ? BLK_STS_OK : BLK_STS_IOERR, blk_rq_bytes(rq));  in cdrom_newpc_intr()
794 			ide_error(drive, "request sense failure", stat);  in cdrom_newpc_intr()
797 	ide_cd_free_sense(drive);  in cdrom_newpc_intr()
801 static ide_startstop_t cdrom_start_rw(ide_drive_t *drive, struct request *rq)  in cdrom_start_rw()  argument
803 	struct cdrom_info *cd = drive->driver_data;  in cdrom_start_rw()
804 	struct request_queue *q = drive->queue;  in cdrom_start_rw()
822 		ide_cdrom_prep_rq(drive, rq);  in cdrom_start_rw()
831 	drive->dma = !!(drive->dev_flags & IDE_DFLAG_USING_DMA);  in cdrom_start_rw()
841 static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)  in cdrom_do_block_pc()  argument
852 	drive->dma = 0;  in cdrom_do_block_pc()
856 		struct request_queue *q = drive->queue;  in cdrom_do_block_pc()
860 		drive->dma = !!(drive->dev_flags & IDE_DFLAG_USING_DMA);  in cdrom_do_block_pc()
872 			drive->dma = 0;  in cdrom_do_block_pc()
876 static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq,  in ide_cd_do_request()  argument
886 	if (drive->debug_mask & IDE_DBG_RQ)  in ide_cd_do_request()
891 		if (cdrom_start_rw(drive, rq) == ide_stopped)  in ide_cd_do_request()
899 		cdrom_do_block_pc(drive, rq);  in ide_cd_do_request()
917 	ide_prep_sense(drive, rq);  in ide_cd_do_request()
928 		ide_map_sg(drive, &cmd);  in ide_cd_do_request()
931 	return ide_issue_pc(drive, &cmd);  in ide_cd_do_request()
938 	ide_complete_rq(drive, uptodate ? BLK_STS_OK : BLK_STS_IOERR, nsectors << 9);  in ide_cd_do_request()
959 int cdrom_check_status(ide_drive_t *drive, struct scsi_sense_hdr *sshdr)  in cdrom_check_status()  argument
961 	struct cdrom_info *info = drive->driver_data;  in cdrom_check_status()
981 	return ide_cd_queue_pc(drive, cmd, 0, NULL, NULL, sshdr, 0, RQF_QUIET);  in cdrom_check_status()
984 static int cdrom_read_capacity(ide_drive_t *drive, unsigned long *capacity,  in cdrom_read_capacity()  argument
1002 	stat = ide_cd_queue_pc(drive, cmd, 0, &capbuf, &len, NULL, 0,  in cdrom_read_capacity()
1023 				drive->name, blocklen);  in cdrom_read_capacity()
1037 static int ide_cdrom_read_tocentry(ide_drive_t *drive, int trackno,  in ide_cdrom_read_tocentry()  argument
1055 	return ide_cd_queue_pc(drive, cmd, 0, buf, &buflen, NULL, 0, RQF_QUIET);  in ide_cdrom_read_tocentry()
1059 int ide_cd_read_toc(ide_drive_t *drive)  in ide_cd_read_toc()  argument
1062 	struct cdrom_info *info = drive->driver_data;  in ide_cd_read_toc()
1079 					drive->name);  in ide_cd_read_toc()
1089 	(void) cdrom_check_status(drive, NULL);  in ide_cd_read_toc()
1091 	if (drive->atapi_flags & IDE_AFLAG_TOC_VALID)  in ide_cd_read_toc()
1095 	stat = cdrom_read_capacity(drive, &toc->capacity, &sectors_per_frame);  in ide_cd_read_toc()
1101 	drive->probed_capacity = toc->capacity * sectors_per_frame;  in ide_cd_read_toc()
1103 	blk_queue_logical_block_size(drive->queue,  in ide_cd_read_toc()
1107 	stat = ide_cdrom_read_tocentry(drive, 0, 1, 0, (char *) &toc->hdr,  in ide_cd_read_toc()
1112 	if (drive->atapi_flags & IDE_AFLAG_TOCTRACKS_AS_BCD) {  in ide_cd_read_toc()
1124 	stat = ide_cdrom_read_tocentry(drive, toc->hdr.first_track, 1, 0,  in ide_cd_read_toc()
1144 		stat = ide_cdrom_read_tocentry(drive, CDROM_LEADOUT, 1, 0,  in ide_cd_read_toc()
1152 		if (drive->atapi_flags & IDE_AFLAG_TOCTRACKS_AS_BCD) {  in ide_cd_read_toc()
1166 	if (drive->atapi_flags & IDE_AFLAG_TOCTRACKS_AS_BCD) {  in ide_cd_read_toc()
1172 		if (drive->atapi_flags & IDE_AFLAG_TOCADDR_AS_BCD) {  in ide_cd_read_toc()
1173 			if (drive->atapi_flags & IDE_AFLAG_TOCTRACKS_AS_BCD)  in ide_cd_read_toc()
1184 		stat = ide_cdrom_read_tocentry(drive, 0, 0, 1, (char *)&ms_tmp,  in ide_cd_read_toc()
1196 	if (drive->atapi_flags & IDE_AFLAG_TOCADDR_AS_BCD) {  in ide_cd_read_toc()
1198 		stat = ide_cdrom_read_tocentry(drive, 0, 1, 1, (char *)&ms_tmp,  in ide_cd_read_toc()
1216 		drive->probed_capacity = toc->capacity * sectors_per_frame;  in ide_cd_read_toc()
1220 	drive->atapi_flags |= IDE_AFLAG_TOC_VALID;  in ide_cd_read_toc()
1225 int ide_cdrom_get_capabilities(ide_drive_t *drive, u8 *buf)  in ide_cdrom_get_capabilities()  argument
1227 	struct cdrom_info *info = drive->driver_data;  in ide_cdrom_get_capabilities()
1234 	if ((drive->atapi_flags & IDE_AFLAG_FULL_CAPS_PAGE) == 0)  in ide_cdrom_get_capabilities()
1247 void ide_cdrom_update_speed(ide_drive_t *drive, u8 *buf)  in ide_cdrom_update_speed()  argument
1249 	struct cdrom_info *cd = drive->driver_data;  in ide_cdrom_update_speed()
1254 	if (drive->atapi_flags & IDE_AFLAG_LE_SPEED_FIELDS) {  in ide_cdrom_update_speed()
1292 static int ide_cdrom_register(ide_drive_t *drive, int nslots)  in ide_cdrom_register()  argument
1294 	struct cdrom_info *info = drive->driver_data;  in ide_cdrom_register()
1302 	devinfo->handle = drive;  in ide_cdrom_register()
1303 	strcpy(devinfo->name, drive->name);  in ide_cdrom_register()
1305 	if (drive->atapi_flags & IDE_AFLAG_NO_SPEED_SELECT)  in ide_cdrom_register()
1311 static int ide_cdrom_probe_capabilities(ide_drive_t *drive)  in ide_cdrom_probe_capabilities()  argument
1313 	struct cdrom_info *cd = drive->driver_data;  in ide_cdrom_probe_capabilities()
1320 				     drive->media, drive->atapi_flags);  in ide_cdrom_probe_capabilities()
1326 	if (drive->media == ide_optical) {  in ide_cdrom_probe_capabilities()
1328 		printk(KERN_ERR PFX "%s: ATAPI magneto-optical drive\n",  in ide_cdrom_probe_capabilities()
1329 				drive->name);  in ide_cdrom_probe_capabilities()
1333 	if (drive->atapi_flags & IDE_AFLAG_PRE_ATAPI12) {  in ide_cdrom_probe_capabilities()
1334 		drive->atapi_flags &= ~IDE_AFLAG_NO_EJECT;  in ide_cdrom_probe_capabilities()
1341 	 * with ide_cdrom_packet(), which extracts the drive from cdi->handle.  in ide_cdrom_probe_capabilities()
1345 	cdi->handle = drive;  in ide_cdrom_probe_capabilities()
1348 	if (ide_cdrom_get_capabilities(drive, buf))  in ide_cdrom_probe_capabilities()
1352 		drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING;  in ide_cdrom_probe_capabilities()
1354 		drive->atapi_flags &= ~IDE_AFLAG_NO_EJECT;  in ide_cdrom_probe_capabilities()
1365 	if ((buf[8 + 4] & 0x01) || (drive->atapi_flags & IDE_AFLAG_PLAY_AUDIO_OK))  in ide_cdrom_probe_capabilities()
1371 	    (drive->atapi_flags & IDE_AFLAG_NO_AUTOCLOSE))  in ide_cdrom_probe_capabilities()
1384 	ide_cdrom_update_speed(drive, buf);  in ide_cdrom_probe_capabilities()
1386 	printk(KERN_INFO PFX "%s: ATAPI", drive->name);  in ide_cdrom_probe_capabilities()
1388 	/* don't print speed if the drive reported 0 */  in ide_cdrom_probe_capabilities()
1407 		printk(KERN_CONT " drive");  in ide_cdrom_probe_capabilities()
1422 static sector_t ide_cdrom_capacity(ide_drive_t *drive)  in ide_cdrom_capacity()  argument
1426 	if (cdrom_read_capacity(drive, &capacity, &sectors_per_frame))  in ide_cdrom_capacity()
1434 	ide_drive_t *drive = m->private;  in idecd_capacity_proc_show()  local
1436 	seq_printf(m, "%llu\n", (long long)ide_cdrom_capacity(drive));  in idecd_capacity_proc_show()
1445 static ide_proc_entry_t *ide_cd_proc_entries(ide_drive_t *drive)  in ide_cd_proc_entries()  argument
1450 static const struct ide_proc_devset *ide_cd_proc_devsets(ide_drive_t *drive)  in ide_cd_proc_devsets()  argument
1460 	{ "NEC CD-ROM DRIVE:260",    "1.01", IDE_AFLAG_TOCADDR_AS_BCD |
1462 	/* Vertos 300, some versions of this drive like to talk BCD. */
1479 	{ "ATAPI CD ROM DRIVE 50X MAX",	NULL,	IDE_AFLAG_FULL_CAPS_PAGE     },
1513 static int ide_cdrom_setup(ide_drive_t *drive)  in ide_cdrom_setup()  argument
1515 	struct cdrom_info *cd = drive->driver_data;  in ide_cdrom_setup()
1517 	struct request_queue *q = drive->queue;  in ide_cdrom_setup()
1518 	u16 *id = drive->id;  in ide_cdrom_setup()
1524 	drive->prep_rq = ide_cdrom_prep_rq;  in ide_cdrom_setup()
1528 	drive->dev_flags |= IDE_DFLAG_MEDIA_CHANGED;  in ide_cdrom_setup()
1529 	drive->atapi_flags = IDE_AFLAG_NO_EJECT | ide_cd_flags(id);  in ide_cdrom_setup()
1531 	if ((drive->atapi_flags & IDE_AFLAG_VERTOS_300_SSD) &&  in ide_cdrom_setup()
1533 		drive->atapi_flags |= (IDE_AFLAG_TOCTRACKS_AS_BCD |  in ide_cdrom_setup()
1535 	else if ((drive->atapi_flags & IDE_AFLAG_VERTOS_600_ESD) &&  in ide_cdrom_setup()
1537 		drive->atapi_flags |= IDE_AFLAG_TOCTRACKS_AS_BCD;  in ide_cdrom_setup()
1538 	else if (drive->atapi_flags & IDE_AFLAG_SANYO_3CD)  in ide_cdrom_setup()
1542 	nslots = ide_cdrom_probe_capabilities(drive);  in ide_cdrom_setup()
1546 	if (ide_cdrom_register(drive, nslots)) {  in ide_cdrom_setup()
1548 				" cdrom driver.\n", drive->name, __func__);  in ide_cdrom_setup()
1553 	ide_proc_register_driver(drive, cd->driver);  in ide_cdrom_setup()
1557 static void ide_cd_remove(ide_drive_t *drive)  in ide_cd_remove()  argument
1559 	struct cdrom_info *info = drive->driver_data;  in ide_cd_remove()
1563 	ide_proc_unregister_driver(drive, info->driver);  in ide_cd_remove()
1576 	ide_drive_t *drive = info->drive;  in ide_cd_release()  local
1582 	if (devinfo->handle == drive)  in ide_cd_release()
1584 	drive->driver_data = NULL;  in ide_cd_release()
1585 	drive->prep_rq = NULL;  in ide_cd_release()
1617 		ide_cd_read_toc(info->drive);  in idecd_open()
1698 	err = generic_ide_ioctl(info->drive, bdev, cmd, arg);  in idecd_locked_ioctl()
1733 	err = generic_ide_ioctl(info->drive, bdev, cmd, arg);  in idecd_locked_compat_ioctl()
1776 static int ide_cd_probe(ide_drive_t *drive)  in ide_cd_probe()  argument
1782 				     drive->driver_req, drive->media);  in ide_cd_probe()
1784 	if (!strstr("ide-cdrom", drive->driver_req))  in ide_cd_probe()
1787 	if (drive->media != ide_cdrom && drive->media != ide_optical)  in ide_cd_probe()
1790 	drive->debug_mask = debug_mask;  in ide_cd_probe()
1791 	drive->irq_handler = cdrom_newpc_intr;  in ide_cd_probe()
1796 				drive->name);  in ide_cd_probe()
1804 	ide_init_disk(g, drive);  in ide_cd_probe()
1806 	info->dev.parent = &drive->gendev;  in ide_cd_probe()
1808 	dev_set_name(&info->dev, "%s", dev_name(&drive->gendev));  in ide_cd_probe()
1813 	info->drive = drive;  in ide_cd_probe()
1819 	drive->driver_data = info;  in ide_cd_probe()
1823 	if (ide_cdrom_setup(drive)) {  in ide_cd_probe()
1828 	ide_cd_read_toc(drive);  in ide_cd_probe()
1832 	device_add_disk(&drive->gendev, g, NULL);  in ide_cd_probe()