Lines Matching refs:cd
155 struct scsi_cd *cd = dev_get_drvdata(dev); in sr_runtime_suspend() local
157 if (!cd) /* E.g.: runtime suspend following sr_remove() */ in sr_runtime_suspend()
160 if (cd->media_present) in sr_runtime_suspend()
172 struct scsi_cd *cd = NULL; in scsi_cd_get() local
177 cd = scsi_cd(disk); in scsi_cd_get()
178 kref_get(&cd->kref); in scsi_cd_get()
179 if (scsi_device_get(cd->device)) { in scsi_cd_get()
180 kref_put(&cd->kref, sr_kref_release); in scsi_cd_get()
181 cd = NULL; in scsi_cd_get()
185 return cd; in scsi_cd_get()
188 static void scsi_cd_put(struct scsi_cd *cd) in scsi_cd_put() argument
190 struct scsi_device *sdev = cd->device; in scsi_cd_put()
193 kref_put(&cd->kref, sr_kref_release); in scsi_cd_put()
244 struct scsi_cd *cd = cdi->handle; in sr_check_events() local
254 events = sr_get_events(cd->device); in sr_check_events()
255 cd->get_event_changed |= events & DISK_EVENT_MEDIA_CHANGE; in sr_check_events()
263 if (cd->ignore_get_event) { in sr_check_events()
273 if (cd->device->changed) { in sr_check_events()
275 cd->device->changed = 0; in sr_check_events()
276 cd->tur_changed = true; in sr_check_events()
283 last_present = cd->media_present; in sr_check_events()
284 ret = scsi_test_unit_ready(cd->device, SR_TIMEOUT, MAX_RETRIES, &sshdr); in sr_check_events()
291 cd->media_present = scsi_status_is_good(ret) || in sr_check_events()
294 if (last_present != cd->media_present) in sr_check_events()
295 cd->device->changed = 1; in sr_check_events()
297 if (cd->device->changed) { in sr_check_events()
299 cd->device->changed = 0; in sr_check_events()
300 cd->tur_changed = true; in sr_check_events()
303 if (cd->ignore_get_event) in sr_check_events()
307 if (!cd->tur_changed) { in sr_check_events()
308 if (cd->get_event_changed) { in sr_check_events()
309 if (cd->tur_mismatch++ > 8) { in sr_check_events()
310 sr_printk(KERN_WARNING, cd, in sr_check_events()
312 cd->ignore_get_event = true; in sr_check_events()
315 cd->tur_mismatch = 0; in sr_check_events()
318 cd->tur_changed = false; in sr_check_events()
319 cd->get_event_changed = false; in sr_check_events()
338 struct scsi_cd *cd = scsi_cd(rq->rq_disk); in sr_done() local
364 if (cd->device->sector_size == 2048) in sr_done()
378 if (error_sector < get_capacity(cd->disk) && in sr_done()
379 cd->capacity - error_sector < 4 * 75) in sr_done()
380 set_capacity(cd->disk, error_sector); in sr_done()
398 struct scsi_cd *cd; in sr_init_command() local
405 cd = scsi_cd(rq->rq_disk); in sr_init_command()
410 if (!cd->device || !scsi_device_online(cd->device)) { in sr_init_command()
418 if (cd->device->changed) { in sr_init_command()
426 s_size = cd->device->sector_size; in sr_init_command()
434 if (!cd->writeable) in sr_init_command()
437 cd->cdi.media_written = 1; in sr_init_command()
498 SCpnt->transfersize = cd->device->sector_size; in sr_init_command()
512 static void sr_revalidate_disk(struct scsi_cd *cd) in sr_revalidate_disk() argument
517 if (scsi_test_unit_ready(cd->device, SR_TIMEOUT, MAX_RETRIES, &sshdr)) in sr_revalidate_disk()
519 sr_cd_check(&cd->cdi); in sr_revalidate_disk()
520 get_sectorsize(cd); in sr_revalidate_disk()
525 struct scsi_cd *cd; in sr_block_open() local
529 cd = scsi_cd_get(bdev->bd_disk); in sr_block_open()
530 if (!cd) in sr_block_open()
533 sdev = cd->device; in sr_block_open()
536 sr_revalidate_disk(cd); in sr_block_open()
538 mutex_lock(&cd->lock); in sr_block_open()
539 ret = cdrom_open(&cd->cdi, bdev, mode); in sr_block_open()
540 mutex_unlock(&cd->lock); in sr_block_open()
544 scsi_cd_put(cd); in sr_block_open()
552 struct scsi_cd *cd = scsi_cd(disk); in sr_block_release() local
554 mutex_lock(&cd->lock); in sr_block_release()
555 cdrom_release(&cd->cdi, mode); in sr_block_release()
556 mutex_unlock(&cd->lock); in sr_block_release()
558 scsi_cd_put(cd); in sr_block_release()
565 struct scsi_cd *cd = scsi_cd(disk); in sr_block_ioctl() local
566 struct scsi_device *sdev = cd->device; in sr_block_ioctl()
573 mutex_lock(&cd->lock); in sr_block_ioctl()
583 ret = cdrom_ioctl(&cd->cdi, bdev, mode, cmd, arg); in sr_block_ioctl()
592 mutex_unlock(&cd->lock); in sr_block_ioctl()
600 struct scsi_cd *cd; in sr_block_check_events() local
602 cd = scsi_cd_get(disk); in sr_block_check_events()
603 if (!cd) in sr_block_check_events()
606 if (!atomic_read(&cd->device->disk_events_disable_depth)) in sr_block_check_events()
607 ret = cdrom_check_events(&cd->cdi, clearing); in sr_block_check_events()
609 scsi_cd_put(cd); in sr_block_check_events()
625 struct scsi_cd *cd = cdi->handle; in sr_open() local
626 struct scsi_device *sdev = cd->device; in sr_open()
651 struct scsi_cd *cd; in sr_probe() local
660 cd = kzalloc(sizeof(*cd), GFP_KERNEL); in sr_probe()
661 if (!cd) in sr_probe()
664 kref_init(&cd->kref); in sr_probe()
670 mutex_init(&cd->lock); in sr_probe()
693 cd->device = sdev; in sr_probe()
694 cd->disk = disk; in sr_probe()
695 cd->driver = &sr_template; in sr_probe()
696 cd->capacity = 0x1fffff; in sr_probe()
697 cd->device->changed = 1; /* force recheck CD type */ in sr_probe()
698 cd->media_present = 1; in sr_probe()
699 cd->use = 1; in sr_probe()
700 cd->readcd_known = 0; in sr_probe()
701 cd->readcd_cdda = 0; in sr_probe()
703 cd->cdi.ops = &sr_dops; in sr_probe()
704 cd->cdi.handle = cd; in sr_probe()
705 cd->cdi.mask = 0; in sr_probe()
706 cd->cdi.capacity = 1; in sr_probe()
707 sprintf(cd->cdi.name, "sr%d", minor); in sr_probe()
712 get_capabilities(cd); in sr_probe()
713 sr_vendor_init(cd); in sr_probe()
715 set_capacity(disk, cd->capacity); in sr_probe()
716 disk->private_data = &cd->driver; in sr_probe()
718 if (register_cdrom(disk, &cd->cdi)) in sr_probe()
727 dev_set_drvdata(dev, cd); in sr_probe()
729 sr_revalidate_disk(cd); in sr_probe()
733 kref_put(&cd->kref, sr_kref_release); in sr_probe()
738 "Attached scsi CD-ROM %s\n", cd->cdi.name); in sr_probe()
739 scsi_autopm_put_device(cd->device); in sr_probe()
749 mutex_destroy(&cd->lock); in sr_probe()
751 kfree(cd); in sr_probe()
758 static void get_sectorsize(struct scsi_cd *cd) in get_sectorsize() argument
772 the_result = scsi_execute_req(cd->device, cmd, DMA_FROM_DEVICE, in get_sectorsize()
782 cd->capacity = 0x1fffff; in get_sectorsize()
787 cd->capacity = 1 + get_unaligned_be32(&buffer[0]); in get_sectorsize()
795 if (!cdrom_get_last_written(&cd->cdi, &last_written)) in get_sectorsize()
796 cd->capacity = max_t(long, cd->capacity, last_written); in get_sectorsize()
812 cd->capacity *= 4; in get_sectorsize()
817 sr_printk(KERN_INFO, cd, in get_sectorsize()
819 cd->capacity = 0; in get_sectorsize()
822 cd->device->sector_size = sector_size; in get_sectorsize()
828 set_capacity(cd->disk, cd->capacity); in get_sectorsize()
831 queue = cd->device->request_queue; in get_sectorsize()
837 static void get_capabilities(struct scsi_cd *cd) in get_capabilities() argument
861 sr_printk(KERN_ERR, cd, "out of memory.\n"); in get_capabilities()
866 scsi_test_unit_ready(cd->device, SR_TIMEOUT, MAX_RETRIES, &sshdr); in get_capabilities()
869 rc = scsi_mode_sense(cd->device, 0, 0x2a, buffer, ms_len, in get_capabilities()
875 cd->cdi.speed = 1; in get_capabilities()
876 cd->cdi.mask |= (CDC_CD_R | CDC_CD_RW | CDC_DVD_R | in get_capabilities()
881 sr_printk(KERN_INFO, cd, "scsi-1 drive"); in get_capabilities()
886 cd->cdi.speed = get_unaligned_be16(&buffer[n + 8]) / 176; in get_capabilities()
887 cd->readcd_known = 1; in get_capabilities()
888 cd->readcd_cdda = buffer[n + 5] & 0x01; in get_capabilities()
890 sr_printk(KERN_INFO, cd, in get_capabilities()
893 cd->cdi.speed, in get_capabilities()
902 cd->cdi.mask |= CDC_CLOSE_TRAY; in get_capabilities()
905 cd->cdi.mask |= CDC_DVD; in get_capabilities()
908 cd->cdi.mask |= CDC_DVD_RAM; in get_capabilities()
911 cd->cdi.mask |= CDC_DVD_R; in get_capabilities()
914 cd->cdi.mask |= CDC_CD_RW; in get_capabilities()
917 cd->cdi.mask |= CDC_CD_R; in get_capabilities()
920 cd->cdi.mask |= CDC_OPEN_TRAY; in get_capabilities()
924 cd->cdi.capacity = in get_capabilities()
925 cdrom_number_of_slots(&cd->cdi); in get_capabilities()
926 if (cd->cdi.capacity <= 1) in get_capabilities()
928 cd->cdi.mask |= CDC_SELECT_DISC; in get_capabilities()
935 if ((cd->cdi.mask & (CDC_DVD_RAM | CDC_MRW_W | CDC_RAM | CDC_CD_RW)) != in get_capabilities()
937 cd->writeable = 1; in get_capabilities()
950 struct scsi_cd *cd = cdi->handle; in sr_packet() local
951 struct scsi_device *sdev = cd->device; in sr_packet()
959 sr_do_ioctl(cd, cgc); in sr_packet()
1026 struct scsi_cd *cd = container_of(kref, struct scsi_cd, kref); in sr_kref_release() local
1027 struct gendisk *disk = cd->disk; in sr_kref_release()
1033 unregister_cdrom(&cd->cdi); in sr_kref_release()
1039 mutex_destroy(&cd->lock); in sr_kref_release()
1041 kfree(cd); in sr_kref_release()
1046 struct scsi_cd *cd = dev_get_drvdata(dev); in sr_remove() local
1048 scsi_autopm_get_device(cd->device); in sr_remove()
1050 del_gendisk(cd->disk); in sr_remove()
1054 kref_put(&cd->kref, sr_kref_release); in sr_remove()