Lines Matching full:cd
149 struct scsi_cd *cd = dev_get_drvdata(dev); in sr_runtime_suspend() local
151 if (!cd) /* E.g.: runtime suspend following sr_remove() */ in sr_runtime_suspend()
154 if (cd->media_present) in sr_runtime_suspend()
166 struct scsi_cd *cd = NULL; in scsi_cd_get() local
171 cd = scsi_cd(disk); in scsi_cd_get()
172 kref_get(&cd->kref); in scsi_cd_get()
173 if (scsi_device_get(cd->device)) { in scsi_cd_get()
174 kref_put(&cd->kref, sr_kref_release); in scsi_cd_get()
175 cd = NULL; in scsi_cd_get()
179 return cd; in scsi_cd_get()
182 static void scsi_cd_put(struct scsi_cd *cd) in scsi_cd_put() argument
184 struct scsi_device *sdev = cd->device; in scsi_cd_put()
187 kref_put(&cd->kref, sr_kref_release); in scsi_cd_put()
236 struct scsi_cd *cd = cdi->handle; in sr_check_events() local
246 events = sr_get_events(cd->device); in sr_check_events()
247 cd->get_event_changed |= events & DISK_EVENT_MEDIA_CHANGE; in sr_check_events()
255 if (cd->ignore_get_event) { in sr_check_events()
265 if (cd->device->changed) { in sr_check_events()
267 cd->device->changed = 0; in sr_check_events()
268 cd->tur_changed = true; in sr_check_events()
275 last_present = cd->media_present; in sr_check_events()
276 ret = scsi_test_unit_ready(cd->device, SR_TIMEOUT, MAX_RETRIES, &sshdr); in sr_check_events()
283 cd->media_present = scsi_status_is_good(ret) || in sr_check_events()
286 if (last_present != cd->media_present) in sr_check_events()
287 cd->device->changed = 1; in sr_check_events()
289 if (cd->device->changed) { in sr_check_events()
291 cd->device->changed = 0; in sr_check_events()
292 cd->tur_changed = true; in sr_check_events()
295 if (cd->ignore_get_event) in sr_check_events()
299 if (!cd->tur_changed) { in sr_check_events()
300 if (cd->get_event_changed) { in sr_check_events()
301 if (cd->tur_mismatch++ > 8) { in sr_check_events()
302 sr_printk(KERN_WARNING, cd, in sr_check_events()
304 cd->ignore_get_event = true; in sr_check_events()
307 cd->tur_mismatch = 0; in sr_check_events()
310 cd->tur_changed = false; in sr_check_events()
311 cd->get_event_changed = false; in sr_check_events()
329 struct scsi_cd *cd = scsi_cd(SCpnt->request->rq_disk); in sr_done() local
356 if (cd->device->sector_size == 2048) in sr_done()
371 if (error_sector < get_capacity(cd->disk) && in sr_done()
372 cd->capacity - error_sector < 4 * 75) in sr_done()
373 set_capacity(cd->disk, error_sector); in sr_done()
391 struct scsi_cd *cd; in sr_init_command() local
398 cd = scsi_cd(rq->rq_disk); in sr_init_command()
403 if (!cd->device || !scsi_device_online(cd->device)) { in sr_init_command()
411 if (cd->device->changed) { in sr_init_command()
423 s_size = cd->device->sector_size; in sr_init_command()
426 sr_set_blocklength(cd, 2048); in sr_init_command()
439 if (!cd->writeable) in sr_init_command()
442 cd->cdi.media_written = 1; in sr_init_command()
503 SCpnt->transfersize = cd->device->sector_size; in sr_init_command()
517 static void sr_revalidate_disk(struct scsi_cd *cd) in sr_revalidate_disk() argument
522 if (scsi_test_unit_ready(cd->device, SR_TIMEOUT, MAX_RETRIES, &sshdr)) in sr_revalidate_disk()
524 sr_cd_check(&cd->cdi); in sr_revalidate_disk()
525 get_sectorsize(cd); in sr_revalidate_disk()
530 struct scsi_cd *cd; in sr_block_open() local
534 cd = scsi_cd_get(bdev->bd_disk); in sr_block_open()
535 if (!cd) in sr_block_open()
538 sdev = cd->device; in sr_block_open()
541 sr_revalidate_disk(cd); in sr_block_open()
543 mutex_lock(&cd->lock); in sr_block_open()
544 ret = cdrom_open(&cd->cdi, bdev, mode); in sr_block_open()
545 mutex_unlock(&cd->lock); in sr_block_open()
549 scsi_cd_put(cd); in sr_block_open()
557 struct scsi_cd *cd = scsi_cd(disk); in sr_block_release() local
559 mutex_lock(&cd->lock); in sr_block_release()
560 cdrom_release(&cd->cdi, mode); in sr_block_release()
561 mutex_unlock(&cd->lock); in sr_block_release()
563 scsi_cd_put(cd); in sr_block_release()
569 struct scsi_cd *cd = scsi_cd(bdev->bd_disk); in sr_block_ioctl() local
570 struct scsi_device *sdev = cd->device; in sr_block_ioctl()
574 mutex_lock(&cd->lock); in sr_block_ioctl()
594 ret = cdrom_ioctl(&cd->cdi, bdev, mode, cmd, arg); in sr_block_ioctl()
604 mutex_unlock(&cd->lock); in sr_block_ioctl()
612 struct scsi_cd *cd = scsi_cd(bdev->bd_disk); in sr_block_compat_ioctl() local
613 struct scsi_device *sdev = cd->device; in sr_block_compat_ioctl()
617 mutex_lock(&cd->lock); in sr_block_compat_ioctl()
637 ret = cdrom_ioctl(&cd->cdi, bdev, mode, cmd, (unsigned long)argp); in sr_block_compat_ioctl()
647 mutex_unlock(&cd->lock); in sr_block_compat_ioctl()
657 struct scsi_cd *cd; in sr_block_check_events() local
659 cd = scsi_cd_get(disk); in sr_block_check_events()
660 if (!cd) in sr_block_check_events()
663 if (!atomic_read(&cd->device->disk_events_disable_depth)) in sr_block_check_events()
664 ret = cdrom_check_events(&cd->cdi, clearing); in sr_block_check_events()
666 scsi_cd_put(cd); in sr_block_check_events()
684 struct scsi_cd *cd = cdi->handle; in sr_open() local
685 struct scsi_device *sdev = cd->device; in sr_open()
704 struct scsi_cd *cd = cdi->handle; in sr_release() local
706 if (cd->device->sector_size > 2048) in sr_release()
707 sr_set_blocklength(cd, 2048); in sr_release()
715 struct scsi_cd *cd; in sr_probe() local
724 cd = kzalloc(sizeof(*cd), GFP_KERNEL); in sr_probe()
725 if (!cd) in sr_probe()
728 kref_init(&cd->kref); in sr_probe()
733 mutex_init(&cd->lock); in sr_probe()
755 cd->device = sdev; in sr_probe()
756 cd->disk = disk; in sr_probe()
757 cd->driver = &sr_template; in sr_probe()
758 cd->disk = disk; in sr_probe()
759 cd->capacity = 0x1fffff; in sr_probe()
760 cd->device->changed = 1; /* force recheck CD type */ in sr_probe()
761 cd->media_present = 1; in sr_probe()
762 cd->use = 1; in sr_probe()
763 cd->readcd_known = 0; in sr_probe()
764 cd->readcd_cdda = 0; in sr_probe()
766 cd->cdi.ops = &sr_dops; in sr_probe()
767 cd->cdi.handle = cd; in sr_probe()
768 cd->cdi.mask = 0; in sr_probe()
769 cd->cdi.capacity = 1; in sr_probe()
770 sprintf(cd->cdi.name, "sr%d", minor); in sr_probe()
775 get_capabilities(cd); in sr_probe()
776 sr_vendor_init(cd); in sr_probe()
778 set_capacity(disk, cd->capacity); in sr_probe()
779 disk->private_data = &cd->driver; in sr_probe()
782 if (register_cdrom(disk, &cd->cdi)) in sr_probe()
791 dev_set_drvdata(dev, cd); in sr_probe()
793 sr_revalidate_disk(cd); in sr_probe()
797 "Attached scsi CD-ROM %s\n", cd->cdi.name); in sr_probe()
798 scsi_autopm_put_device(cd->device); in sr_probe()
808 mutex_destroy(&cd->lock); in sr_probe()
810 kfree(cd); in sr_probe()
817 static void get_sectorsize(struct scsi_cd *cd) in get_sectorsize() argument
831 the_result = scsi_execute_req(cd->device, cmd, DMA_FROM_DEVICE, in get_sectorsize()
841 cd->capacity = 0x1fffff; in get_sectorsize()
846 cd->capacity = 1 + get_unaligned_be32(&buffer[0]); in get_sectorsize()
854 if (!cdrom_get_last_written(&cd->cdi, &last_written)) in get_sectorsize()
855 cd->capacity = max_t(long, cd->capacity, last_written); in get_sectorsize()
860 * HP 4020i CD-Recorder reports 2340 byte sectors in get_sectorsize()
861 * Philips CD-Writers report 2352 byte sectors in get_sectorsize()
871 cd->capacity *= 4; in get_sectorsize()
876 sr_printk(KERN_INFO, cd, in get_sectorsize()
878 cd->capacity = 0; in get_sectorsize()
881 cd->device->sector_size = sector_size; in get_sectorsize()
887 set_capacity(cd->disk, cd->capacity); in get_sectorsize()
890 queue = cd->device->request_queue; in get_sectorsize()
896 static void get_capabilities(struct scsi_cd *cd) in get_capabilities() argument
920 sr_printk(KERN_ERR, cd, "out of memory.\n"); in get_capabilities()
925 scsi_test_unit_ready(cd->device, SR_TIMEOUT, MAX_RETRIES, &sshdr); in get_capabilities()
928 rc = scsi_mode_sense(cd->device, 0, 0x2a, buffer, ms_len, in get_capabilities()
934 cd->cdi.speed = 1; in get_capabilities()
935 cd->cdi.mask |= (CDC_CD_R | CDC_CD_RW | CDC_DVD_R | in get_capabilities()
940 sr_printk(KERN_INFO, cd, "scsi-1 drive"); in get_capabilities()
945 cd->cdi.speed = get_unaligned_be16(&buffer[n + 8]) / 176; in get_capabilities()
946 cd->readcd_known = 1; in get_capabilities()
947 cd->readcd_cdda = buffer[n + 5] & 0x01; in get_capabilities()
949 sr_printk(KERN_INFO, cd, in get_capabilities()
952 cd->cdi.speed, in get_capabilities()
953 buffer[n + 3] & 0x01 ? "writer " : "", /* CD Writer */ in get_capabilities()
955 buffer[n + 2] & 0x02 ? "cd/rw " : "", /* can read rewriteable */ in get_capabilities()
961 cd->cdi.mask |= CDC_CLOSE_TRAY; in get_capabilities()
964 cd->cdi.mask |= CDC_DVD; in get_capabilities()
967 cd->cdi.mask |= CDC_DVD_RAM; in get_capabilities()
970 cd->cdi.mask |= CDC_DVD_R; in get_capabilities()
972 /* can't write CD-RW media */ in get_capabilities()
973 cd->cdi.mask |= CDC_CD_RW; in get_capabilities()
975 /* can't write CD-R media */ in get_capabilities()
976 cd->cdi.mask |= CDC_CD_R; in get_capabilities()
979 cd->cdi.mask |= CDC_OPEN_TRAY; in get_capabilities()
983 cd->cdi.capacity = in get_capabilities()
984 cdrom_number_of_slots(&cd->cdi); in get_capabilities()
985 if (cd->cdi.capacity <= 1) in get_capabilities()
987 cd->cdi.mask |= CDC_SELECT_DISC; in get_capabilities()
989 cd->cdi.mask |= CDC_CLOSE_TRAY; */ in get_capabilities()
992 * if DVD-RAM, MRW-W or CD-RW, we are randomly writable in get_capabilities()
994 if ((cd->cdi.mask & (CDC_DVD_RAM | CDC_MRW_W | CDC_RAM | CDC_CD_RW)) != in get_capabilities()
996 cd->writeable = 1; in get_capabilities()
1004 * by the Uniform CD-ROM layer.
1009 struct scsi_cd *cd = cdi->handle; in sr_packet() local
1010 struct scsi_device *sdev = cd->device; in sr_packet()
1018 sr_do_ioctl(cd, cgc); in sr_packet()
1034 struct scsi_cd *cd = container_of(kref, struct scsi_cd, kref); in sr_kref_release() local
1035 struct gendisk *disk = cd->disk; in sr_kref_release()
1041 unregister_cdrom(&cd->cdi); in sr_kref_release()
1047 mutex_destroy(&cd->lock); in sr_kref_release()
1049 kfree(cd); in sr_kref_release()
1054 struct scsi_cd *cd = dev_get_drvdata(dev); in sr_remove() local
1056 scsi_autopm_get_device(cd->device); in sr_remove()
1058 del_gendisk(cd->disk); in sr_remove()
1062 kref_put(&cd->kref, sr_kref_release); in sr_remove()