335 #define CDROM_CAN(type) (cdi->ops->capability & ~cdi->mask & (type))
338 #define CHECKAUDIO if ((ret=check_for_audio_disc(cdi, cdo))) return ret
347 static int open_for_data(struct cdrom_device_info * cdi);
348 static int check_for_audio_disc(struct cdrom_device_info * cdi,
352 static int mmc_ioctl(struct cdrom_device_info *cdi, unsigned int cmd,
359 static int cdrom_mrw_exit(struct cdrom_device_info *cdi);
361 static int cdrom_get_disc_info(struct cdrom_device_info *cdi, disc_information *di);
367 static int cdrom_dummy_generic_packet(struct cdrom_device_info *cdi,  in cdrom_dummy_generic_packet()  argument
387 int register_cdrom(struct cdrom_device_info *cdi)  in register_cdrom()  argument
390         struct cdrom_device_ops *cdo = cdi->ops;  in register_cdrom()
412 	cdi->mc_flags = 0;  in register_cdrom()
414         cdi->options = CDO_USE_FFLAGS;  in register_cdrom()
417 		cdi->options |= (int) CDO_AUTO_CLOSE;  in register_cdrom()
419 		cdi->options |= (int) CDO_AUTO_EJECT;  in register_cdrom()
421 		cdi->options |= (int) CDO_LOCK;  in register_cdrom()
423 		cdi->options |= (int) CDO_CHECK_TYPE;  in register_cdrom()
426 		cdi->exit = cdrom_mrw_exit;  in register_cdrom()
428 	if (cdi->disk)  in register_cdrom()
429 		cdi->cdda_method = CDDA_BPC_FULL;  in register_cdrom()
431 		cdi->cdda_method = CDDA_OLD;  in register_cdrom()
436 	cdinfo(CD_REG_UNREG, "drive \"/dev/%s\" registered\n", cdi->name);  in register_cdrom()
438 	list_add(&cdi->list, &cdrom_list);  in register_cdrom()
444 void unregister_cdrom(struct cdrom_device_info *cdi)  in unregister_cdrom()  argument
449 	list_del(&cdi->list);  in unregister_cdrom()
452 	if (cdi->exit)  in unregister_cdrom()
453 		cdi->exit(cdi);  in unregister_cdrom()
455 	cdi->ops->n_minors--;  in unregister_cdrom()
456 	cdinfo(CD_REG_UNREG, "drive \"/dev/%s\" unregistered\n", cdi->name);  in unregister_cdrom()
459 int cdrom_get_media_event(struct cdrom_device_info *cdi,  in cdrom_get_media_event()  argument
473 	if (cdi->ops->generic_packet(cdi, &cgc))  in cdrom_get_media_event()
490 static int cdrom_mrw_probe_pc(struct cdrom_device_info *cdi)  in cdrom_mrw_probe_pc()  argument
500 	if (!cdrom_mode_sense(cdi, &cgc, MRW_MODE_PC, 0)) {  in cdrom_mrw_probe_pc()
501 		cdi->mrw_mode_page = MRW_MODE_PC;  in cdrom_mrw_probe_pc()
503 	} else if (!cdrom_mode_sense(cdi, &cgc, MRW_MODE_PC_PRE1, 0)) {  in cdrom_mrw_probe_pc()
504 		cdi->mrw_mode_page = MRW_MODE_PC_PRE1;  in cdrom_mrw_probe_pc()
511 static int cdrom_is_mrw(struct cdrom_device_info *cdi, int *write)  in cdrom_is_mrw()  argument
527 	if ((ret = cdi->ops->generic_packet(cdi, &cgc)))  in cdrom_is_mrw()
535 	if ((ret = cdrom_mrw_probe_pc(cdi))) {  in cdrom_is_mrw()
543 static int cdrom_mrw_bgformat(struct cdrom_device_info *cdi, int cont)  in cdrom_mrw_bgformat()  argument
577 	ret = cdi->ops->generic_packet(cdi, &cgc);  in cdrom_mrw_bgformat()
584 static int cdrom_mrw_bgformat_susp(struct cdrom_device_info *cdi, int immed)  in cdrom_mrw_bgformat_susp()  argument
599 	return cdi->ops->generic_packet(cdi, &cgc);  in cdrom_mrw_bgformat_susp()
602 static int cdrom_flush_cache(struct cdrom_device_info *cdi)  in cdrom_flush_cache()  argument
611 	return cdi->ops->generic_packet(cdi, &cgc);  in cdrom_flush_cache()
614 static int cdrom_mrw_exit(struct cdrom_device_info *cdi)  in cdrom_mrw_exit()  argument
619 	ret = cdrom_get_disc_info(cdi, &di);  in cdrom_mrw_exit()
627 		ret = cdrom_mrw_bgformat_susp(cdi, 0);  in cdrom_mrw_exit()
630 	if (!ret && cdi->media_written)  in cdrom_mrw_exit()
631 		ret = cdrom_flush_cache(cdi);  in cdrom_mrw_exit()
636 static int cdrom_mrw_set_lba_space(struct cdrom_device_info *cdi, int space)  in cdrom_mrw_set_lba_space()  argument
648 	if ((ret = cdrom_mode_sense(cdi, &cgc, cdi->mrw_mode_page, 0)))  in cdrom_mrw_set_lba_space()
658 	if ((ret = cdrom_mode_select(cdi, &cgc)))  in cdrom_mrw_set_lba_space()
661 …printk(KERN_INFO "cdrom: %s: mrw address space %s selected\n", cdi->name, mrw_address_space[space]…  in cdrom_mrw_set_lba_space()
665 static int cdrom_get_random_writable(struct cdrom_device_info *cdi,  in cdrom_get_random_writable()  argument
679 	if ((ret = cdi->ops->generic_packet(cdi, &cgc)))  in cdrom_get_random_writable()
686 static int cdrom_has_defect_mgt(struct cdrom_device_info *cdi)  in cdrom_has_defect_mgt()  argument
700 	if ((ret = cdi->ops->generic_packet(cdi, &cgc)))  in cdrom_has_defect_mgt()
711 static int cdrom_is_random_writable(struct cdrom_device_info *cdi, int *write)  in cdrom_is_random_writable()  argument
718 	if ((ret = cdrom_get_random_writable(cdi, &rfd)))  in cdrom_is_random_writable()
727 static int cdrom_media_erasable(struct cdrom_device_info *cdi)  in cdrom_media_erasable()  argument
732 	ret = cdrom_get_disc_info(cdi, &di);  in cdrom_media_erasable()
742 static int cdrom_dvdram_open_write(struct cdrom_device_info *cdi)  in cdrom_dvdram_open_write()  argument
744 	int ret = cdrom_media_erasable(cdi);  in cdrom_dvdram_open_write()
756 static int cdrom_mrw_open_write(struct cdrom_device_info *cdi)  in cdrom_mrw_open_write()  argument
764 	if (cdrom_mrw_set_lba_space(cdi, MRW_LBA_DMA)) {  in cdrom_mrw_open_write()
769 	ret = cdrom_get_disc_info(cdi, &di);  in cdrom_mrw_open_write()
790 		ret = cdrom_mrw_bgformat(cdi, 1);  in cdrom_mrw_open_write()
795 static int mo_open_write(struct cdrom_device_info *cdi)  in mo_open_write()  argument
809 	ret = cdrom_mode_sense(cdi, &cgc, GPMODE_ALL_PAGES, 0);  in mo_open_write()
811 		ret = cdrom_mode_sense(cdi, &cgc, GPMODE_VENDOR_PAGE, 0);  in mo_open_write()
814 		ret = cdrom_mode_sense(cdi, &cgc, GPMODE_ALL_PAGES, 0);  in mo_open_write()
824 static int cdrom_ram_open_write(struct cdrom_device_info *cdi)  in cdrom_ram_open_write()  argument
829 	if ((ret = cdrom_has_defect_mgt(cdi)))  in cdrom_ram_open_write()
832 	if ((ret = cdrom_get_random_writable(cdi, &rfd)))  in cdrom_ram_open_write()
841 static void cdrom_mmc3_profile(struct cdrom_device_info *cdi)  in cdrom_mmc3_profile()  argument
855 	if ((ret = cdi->ops->generic_packet(cdi, &cgc)))  in cdrom_mmc3_profile()
860 	cdi->mmc3_profile = mmc3_profile;  in cdrom_mmc3_profile()
863 static int cdrom_is_dvd_rw(struct cdrom_device_info *cdi)  in cdrom_is_dvd_rw()  argument
865 	switch (cdi->mmc3_profile) {  in cdrom_is_dvd_rw()
877 static int cdrom_open_write(struct cdrom_device_info *cdi)  in cdrom_open_write()  argument
883 	if (!cdrom_is_mrw(cdi, &mrw_write))  in cdrom_open_write()
889 		(void) cdrom_is_random_writable(cdi, &ram_write);  in cdrom_open_write()
892 		cdi->mask &= ~CDC_MRW;  in cdrom_open_write()
894 		cdi->mask |= CDC_MRW;  in cdrom_open_write()
897 		cdi->mask &= ~CDC_MRW_W;  in cdrom_open_write()
899 		cdi->mask |= CDC_MRW_W;  in cdrom_open_write()
902 		cdi->mask &= ~CDC_RAM;  in cdrom_open_write()
904 		cdi->mask |= CDC_RAM;  in cdrom_open_write()
907 		ret = cdrom_mrw_open_write(cdi);  in cdrom_open_write()
909 		ret = cdrom_dvdram_open_write(cdi);  in cdrom_open_write()
912  		ret = cdrom_ram_open_write(cdi);  in cdrom_open_write()
914 		ret = mo_open_write(cdi);  in cdrom_open_write()
915 	else if (!cdrom_is_dvd_rw(cdi))  in cdrom_open_write()
921 static void cdrom_dvd_rw_close_write(struct cdrom_device_info *cdi)  in cdrom_dvd_rw_close_write()  argument
925 	if (cdi->mmc3_profile != 0x1a) {  in cdrom_dvd_rw_close_write()
926 		cdinfo(CD_CLOSE, "%s: No DVD+RW\n", cdi->name);  in cdrom_dvd_rw_close_write()
930 	if (!cdi->media_written) {  in cdrom_dvd_rw_close_write()
931 		cdinfo(CD_CLOSE, "%s: DVD+RW media clean\n", cdi->name);  in cdrom_dvd_rw_close_write()
936 	       cdi->name);  in cdrom_dvd_rw_close_write()
941 	cdi->ops->generic_packet(cdi, &cgc);  in cdrom_dvd_rw_close_write()
947 	cdi->ops->generic_packet(cdi, &cgc);  in cdrom_dvd_rw_close_write()
954 	cdi->ops->generic_packet(cdi, &cgc);  in cdrom_dvd_rw_close_write()
956 	cdi->media_written = 0;  in cdrom_dvd_rw_close_write()
959 static int cdrom_close_write(struct cdrom_device_info *cdi)  in cdrom_close_write()  argument
962 	return cdrom_flush_cache(cdi);  in cdrom_close_write()
976 int cdrom_open(struct cdrom_device_info *cdi, struct block_device *bdev, fmode_t mode)  in cdrom_open()  argument
984 	cdi->use_count++;  in cdrom_open()
985 	if ((mode & FMODE_NDELAY) && (cdi->options & CDO_USE_FFLAGS)) {  in cdrom_open()
986 		ret = cdi->ops->open(cdi, 1);  in cdrom_open()
988 		ret = open_for_data(cdi);  in cdrom_open()
991 		cdrom_mmc3_profile(cdi);  in cdrom_open()
994 			if (cdrom_open_write(cdi))  in cdrom_open()
999 			cdi->media_written = 0;  in cdrom_open()
1007 			cdi->name, cdi->use_count);  in cdrom_open()
1013 	if (CDROM_CAN(CDC_LOCK) && cdi->options & CDO_LOCK) {  in cdrom_open()
1014 		cdi->ops->lock_door(cdi, 0);  in cdrom_open()
1017 	cdi->ops->release(cdi);  in cdrom_open()
1019 	cdi->use_count--;  in cdrom_open()
1024 int open_for_data(struct cdrom_device_info * cdi)  in open_for_data()  argument
1027 	struct cdrom_device_ops *cdo = cdi->ops;  in open_for_data()
1033 		ret = cdo->drive_status(cdi, CDSL_CURRENT);  in open_for_data()
1039 			    cdi->options & CDO_AUTO_CLOSE) {  in open_for_data()
1041 				ret=cdo->tray_move(cdi,0);  in open_for_data()
1058 			ret = cdo->drive_status(cdi, CDSL_CURRENT);  in open_for_data()
1068 		ret = cdo->drive_status(cdi, CDSL_CURRENT);  in open_for_data()
1074 	cdrom_count_tracks(cdi, &tracks);  in open_for_data()
1083 		if (cdi->options & CDO_CHECK_TYPE) {  in open_for_data()
1100 	ret = cdo->open(cdi, 0); /* open for data */  in open_for_data()
1109 	if (CDROM_CAN(CDC_LOCK) && (cdi->options & CDO_LOCK)) {  in open_for_data()
1110 			cdo->lock_door(cdi, 1);  in open_for_data()
1123 	if (CDROM_CAN(CDC_LOCK) && cdi->options & CDO_LOCK) {  in open_for_data()
1124 			cdo->lock_door(cdi, 0);  in open_for_data()
1133 static int check_for_audio_disc(struct cdrom_device_info * cdi,  in check_for_audio_disc()  argument
1139 	if (!(cdi->options & CDO_CHECK_TYPE))  in check_for_audio_disc()
1142 		ret = cdo->drive_status(cdi, CDSL_CURRENT);  in check_for_audio_disc()
1148 			    cdi->options & CDO_AUTO_CLOSE) {  in check_for_audio_disc()
1150 				ret=cdo->tray_move(cdi,0);  in check_for_audio_disc()
1165 			ret = cdo->drive_status(cdi, CDSL_CURRENT);  in check_for_audio_disc()
1177 	cdrom_count_tracks(cdi, &tracks);  in check_for_audio_disc()
1187 void cdrom_release(struct cdrom_device_info *cdi, fmode_t mode)  in cdrom_release()  argument
1189 	struct cdrom_device_ops *cdo = cdi->ops;  in cdrom_release()
1194 	if (cdi->use_count > 0)  in cdrom_release()
1195 		cdi->use_count--;  in cdrom_release()
1197 	if (cdi->use_count == 0) {  in cdrom_release()
1198 		cdinfo(CD_CLOSE, "Use count for \"/dev/%s\" now zero\n", cdi->name);  in cdrom_release()
1199 		cdrom_dvd_rw_close_write(cdi);  in cdrom_release()
1203 			cdo->lock_door(cdi, 0);  in cdrom_release()
1207 	opened_for_data = !(cdi->options & CDO_USE_FFLAGS) ||  in cdrom_release()
1213 	if (CDROM_CAN(CDC_RAM) && !cdi->use_count && cdi->for_data)  in cdrom_release()
1214 		cdrom_close_write(cdi);  in cdrom_release()
1216 	cdo->release(cdi);  in cdrom_release()
1217 	if (cdi->use_count == 0) {      /* last process that closes dev*/  in cdrom_release()
1219 		    cdi->options & CDO_AUTO_EJECT && CDROM_CAN(CDC_OPEN_TRAY))  in cdrom_release()
1220 			cdo->tray_move(cdi, 1);  in cdrom_release()
1224 static int cdrom_read_mech_status(struct cdrom_device_info *cdi,   in cdrom_read_mech_status()  argument
1228 	struct cdrom_device_ops *cdo = cdi->ops;  in cdrom_read_mech_status()
1236 	if (cdi->sanyo_slot) {  in cdrom_read_mech_status()
1238 		buf->hdr.curslot = cdi->sanyo_slot == 3 ? 0 : cdi->sanyo_slot;  in cdrom_read_mech_status()
1247 		 cdi->capacity * sizeof(struct cdrom_slot);  in cdrom_read_mech_status()
1253 	return cdo->generic_packet(cdi, &cgc);  in cdrom_read_mech_status()
1256 static int cdrom_slot_status(struct cdrom_device_info *cdi, int slot)  in cdrom_slot_status()  argument
1262 	if (cdi->sanyo_slot)  in cdrom_slot_status()
1269 	if ((ret = cdrom_read_mech_status(cdi, info)))  in cdrom_slot_status()
1285 int cdrom_number_of_slots(struct cdrom_device_info *cdi)   in cdrom_number_of_slots()  argument
1293 	cdi->capacity = 0;   in cdrom_number_of_slots()
1299 	if ((status = cdrom_read_mech_status(cdi, info)) == 0)  in cdrom_number_of_slots()
1308 static int cdrom_load_unload(struct cdrom_device_info *cdi, int slot)   in cdrom_load_unload()  argument
1313 	if (cdi->sanyo_slot && slot < 0)  in cdrom_load_unload()
1325 	if (cdi->sanyo_slot && -1 < slot) {  in cdrom_load_unload()
1329 		cdi->sanyo_slot = slot ? slot : 3;  in cdrom_load_unload()
1332 	return cdi->ops->generic_packet(cdi, &cgc);  in cdrom_load_unload()
1335 static int cdrom_select_disc(struct cdrom_device_info *cdi, int slot)  in cdrom_select_disc()  argument
1345 	(void) cdi->ops->media_changed(cdi, slot);  in cdrom_select_disc()
1349 		cdi->mc_flags = 0x3;  in cdrom_select_disc()
1350 		return cdrom_load_unload(cdi, -1);  in cdrom_select_disc()
1357 	if ((ret = cdrom_read_mech_status(cdi, info))) {  in cdrom_select_disc()
1365 	if (cdi->use_count > 1 || keeplocked) {  in cdrom_select_disc()
1382 	cdi->mc_flags = 0x3;  in cdrom_select_disc()
1383 	if ((ret = cdrom_load_unload(cdi, slot)))  in cdrom_select_disc()
1396 int media_changed(struct cdrom_device_info *cdi, int queue)  in media_changed()  argument
1399 	int ret = !!(cdi->mc_flags & mask);  in media_changed()
1404 	if (cdi->ops->media_changed(cdi, CDSL_CURRENT)) {  in media_changed()
1405 		cdi->mc_flags = 0x3;    /* set bit on both queues */  in media_changed()
1407 		cdi->media_written = 0;  in media_changed()
1409 	cdi->mc_flags &= ~mask;         /* clear bit */  in media_changed()
1413 int cdrom_media_changed(struct cdrom_device_info *cdi)  in cdrom_media_changed()  argument
1418 	if (cdi == NULL || cdi->ops->media_changed == NULL)  in cdrom_media_changed()
1422 	return media_changed(cdi, 0);  in cdrom_media_changed()
1426 static void cdrom_count_tracks(struct cdrom_device_info *cdi, tracktype* tracks)  in cdrom_count_tracks()  argument
1433 	tracks->cdi=0;  in cdrom_count_tracks()
1438 	if ((ret = cdi->ops->audio_ioctl(cdi, CDROMREADTOCHDR, &header))) {  in cdrom_count_tracks()
1449 		if (cdi->ops->audio_ioctl(cdi, CDROMREADTOCENTRY, &entry)) {  in cdrom_count_tracks()
1455 			tracks->cdi++;  in cdrom_count_tracks()
1467 		tracks->cdi, tracks->xa);  in cdrom_count_tracks()
1567 static int dvd_do_auth(struct cdrom_device_info *cdi, dvd_authinfo *ai)  in dvd_do_auth()  argument
1572 	struct cdrom_device_ops *cdo = cdi->ops;  in dvd_do_auth()
1585 		if ((ret = cdo->generic_packet(cdi, &cgc)))  in dvd_do_auth()
1596 		if ((ret = cdo->generic_packet(cdi, &cgc)))  in dvd_do_auth()
1607 		if ((ret = cdo->generic_packet(cdi, &cgc)))  in dvd_do_auth()
1624 		if ((ret = cdo->generic_packet(cdi, &cgc)))  in dvd_do_auth()
1638 		if ((ret = cdo->generic_packet(cdi, &cgc)))  in dvd_do_auth()
1651 		if ((ret = cdo->generic_packet(cdi, &cgc)))  in dvd_do_auth()
1663 		if ((ret = cdo->generic_packet(cdi, &cgc))) {  in dvd_do_auth()
1675 		if ((ret = cdo->generic_packet(cdi, &cgc)))  in dvd_do_auth()
1686 		if ((ret = cdo->generic_packet(cdi, &cgc)))  in dvd_do_auth()
1703 		if ((ret = cdo->generic_packet(cdi, &cgc)))  in dvd_do_auth()
1715 static int dvd_read_physical(struct cdrom_device_info *cdi, dvd_struct *s,  in dvd_read_physical()  argument
1720 	struct cdrom_device_ops *cdo = cdi->ops;  in dvd_read_physical()
1737 	ret = cdo->generic_packet(cdi, cgc);  in dvd_read_physical()
1766 static int dvd_read_copyright(struct cdrom_device_info *cdi, dvd_struct *s,  in dvd_read_copyright()  argument
1771 	struct cdrom_device_ops *cdo = cdi->ops;  in dvd_read_copyright()
1780 	ret = cdo->generic_packet(cdi, cgc);  in dvd_read_copyright()
1790 static int dvd_read_disckey(struct cdrom_device_info *cdi, dvd_struct *s,  in dvd_read_disckey()  argument
1795 	struct cdrom_device_ops *cdo = cdi->ops;  in dvd_read_disckey()
1810 	ret = cdo->generic_packet(cdi, cgc);  in dvd_read_disckey()
1818 static int dvd_read_bca(struct cdrom_device_info *cdi, dvd_struct *s,  in dvd_read_bca()  argument
1823 	struct cdrom_device_ops *cdo = cdi->ops;  in dvd_read_bca()
1834 	ret = cdo->generic_packet(cdi, cgc);  in dvd_read_bca()
1851 static int dvd_read_manufact(struct cdrom_device_info *cdi, dvd_struct *s,  in dvd_read_manufact()  argument
1856 	struct cdrom_device_ops *cdo = cdi->ops;  in dvd_read_manufact()
1870 	ret = cdo->generic_packet(cdi, cgc);  in dvd_read_manufact()
1888 static int dvd_read_struct(struct cdrom_device_info *cdi, dvd_struct *s,  in dvd_read_struct()  argument
1893 		return dvd_read_physical(cdi, s, cgc);  in dvd_read_struct()
1896 		return dvd_read_copyright(cdi, s, cgc);  in dvd_read_struct()
1899 		return dvd_read_disckey(cdi, s, cgc);  in dvd_read_struct()
1902 		return dvd_read_bca(cdi, s, cgc);  in dvd_read_struct()
1905 		return dvd_read_manufact(cdi, s, cgc);  in dvd_read_struct()
1914 int cdrom_mode_sense(struct cdrom_device_info *cdi,  in cdrom_mode_sense()  argument
1918 	struct cdrom_device_ops *cdo = cdi->ops;  in cdrom_mode_sense()
1927 	return cdo->generic_packet(cdi, cgc);  in cdrom_mode_sense()
1930 int cdrom_mode_select(struct cdrom_device_info *cdi,  in cdrom_mode_select()  argument
1933 	struct cdrom_device_ops *cdo = cdi->ops;  in cdrom_mode_select()
1942 	return cdo->generic_packet(cdi, cgc);  in cdrom_mode_select()
1945 static int cdrom_read_subchannel(struct cdrom_device_info *cdi,  in cdrom_read_subchannel()  argument
1948 	struct cdrom_device_ops *cdo = cdi->ops;  in cdrom_read_subchannel()
1960 	if ((ret = cdo->generic_packet(cdi, &cgc)))  in cdrom_read_subchannel()
1982 static int cdrom_read_cd(struct cdrom_device_info *cdi,  in cdrom_read_cd()  argument
1986 	struct cdrom_device_ops *cdo = cdi->ops;  in cdrom_read_cd()
1998 	return cdo->generic_packet(cdi, cgc);  in cdrom_read_cd()
2002 static int cdrom_read_block(struct cdrom_device_info *cdi,  in cdrom_read_block()  argument
2006 	struct cdrom_device_ops *cdo = cdi->ops;  in cdrom_read_block()
2031 	return cdo->generic_packet(cdi, cgc);  in cdrom_read_block()
2034 static int cdrom_read_cdda_old(struct cdrom_device_info *cdi, __u8 __user *ubuf,  in cdrom_read_cdda_old()  argument
2041 	cdi->last_sense = 0;  in cdrom_read_cdda_old()
2070 		ret = cdrom_read_block(cdi, &cgc, lba, nr, 1, CD_FRAMESIZE_RAW);  in cdrom_read_cdda_old()
2086 static int cdrom_read_cdda_bpc(struct cdrom_device_info *cdi, __u8 __user *ubuf,  in cdrom_read_cdda_bpc()  argument
2089 	struct request_queue *q = cdi->disk->queue;  in cdrom_read_cdda_bpc()
2098 	cdi->last_sense = 0;  in cdrom_read_cdda_bpc()
2102 		if (cdi->cdda_method == CDDA_BPC_SINGLE)  in cdrom_read_cdda_bpc()
2137 		if (blk_execute_rq(q, cdi->disk, rq, 0)) {  in cdrom_read_cdda_bpc()
2140 			cdi->last_sense = s->sense_key;  in cdrom_read_cdda_bpc()
2158 static int cdrom_read_cdda(struct cdrom_device_info *cdi, __u8 __user *ubuf,  in cdrom_read_cdda()  argument
2163 	if (cdi->cdda_method == CDDA_OLD)  in cdrom_read_cdda()
2164 		return cdrom_read_cdda_old(cdi, ubuf, lba, nframes);  in cdrom_read_cdda()
2170 	ret = cdrom_read_cdda_bpc(cdi, ubuf, lba, nframes);  in cdrom_read_cdda()
2178 	if (cdi->cdda_method == CDDA_BPC_FULL && nframes > 1) {  in cdrom_read_cdda()
2180 		cdi->cdda_method = CDDA_BPC_SINGLE;  in cdrom_read_cdda()
2189 	if (cdi->last_sense != 0x04 && cdi->last_sense != 0x0b)  in cdrom_read_cdda()
2192 	printk("cdrom: dropping to old style cdda (sense=%x)\n", cdi->last_sense);  in cdrom_read_cdda()
2193 	cdi->cdda_method = CDDA_OLD;  in cdrom_read_cdda()
2194 	return cdrom_read_cdda_old(cdi, ubuf, lba, nframes);	  in cdrom_read_cdda()
2197 static int cdrom_ioctl_multisession(struct cdrom_device_info *cdi,  in cdrom_ioctl_multisession()  argument
2206 	if (!(cdi->ops->capability & CDC_MULTI_SESSION))  in cdrom_ioctl_multisession()
2217 	ret = cdi->ops->get_last_session(cdi, &ms_info);  in cdrom_ioctl_multisession()
2230 static int cdrom_ioctl_eject(struct cdrom_device_info *cdi)  in cdrom_ioctl_eject()  argument
2236 	if (cdi->use_count != 1 || keeplocked)  in cdrom_ioctl_eject()
2239 		int ret = cdi->ops->lock_door(cdi, 0);  in cdrom_ioctl_eject()
2244 	return cdi->ops->tray_move(cdi, 1);  in cdrom_ioctl_eject()
2247 static int cdrom_ioctl_closetray(struct cdrom_device_info *cdi)  in cdrom_ioctl_closetray()  argument
2253 	return cdi->ops->tray_move(cdi, 0);  in cdrom_ioctl_closetray()
2256 static int cdrom_ioctl_eject_sw(struct cdrom_device_info *cdi,  in cdrom_ioctl_eject_sw()  argument
2266 	cdi->options &= ~(CDO_AUTO_CLOSE | CDO_AUTO_EJECT);  in cdrom_ioctl_eject_sw()
2268 		cdi->options |= CDO_AUTO_CLOSE | CDO_AUTO_EJECT;  in cdrom_ioctl_eject_sw()
2272 static int cdrom_ioctl_media_changed(struct cdrom_device_info *cdi,  in cdrom_ioctl_media_changed()  argument
2285 		return media_changed(cdi, 1);  in cdrom_ioctl_media_changed()
2287 	if ((unsigned int)arg >= cdi->capacity)  in cdrom_ioctl_media_changed()
2294 	ret = cdrom_read_mech_status(cdi, info);  in cdrom_ioctl_media_changed()
2301 static int cdrom_ioctl_set_options(struct cdrom_device_info *cdi,  in cdrom_ioctl_set_options()  argument
2319 		return cdi->options;  in cdrom_ioctl_set_options()
2325 	cdi->options |= (int) arg;  in cdrom_ioctl_set_options()
2326 	return cdi->options;  in cdrom_ioctl_set_options()
2329 static int cdrom_ioctl_clear_options(struct cdrom_device_info *cdi,  in cdrom_ioctl_clear_options()  argument
2334 	cdi->options &= ~(int) arg;  in cdrom_ioctl_clear_options()
2335 	return cdi->options;  in cdrom_ioctl_clear_options()
2338 static int cdrom_ioctl_select_speed(struct cdrom_device_info *cdi,  in cdrom_ioctl_select_speed()  argument
2345 	return cdi->ops->select_speed(cdi, arg);  in cdrom_ioctl_select_speed()
2348 static int cdrom_ioctl_select_disc(struct cdrom_device_info *cdi,  in cdrom_ioctl_select_disc()  argument
2357 		if ((int)arg >= cdi->capacity)  in cdrom_ioctl_select_disc()
2366 	if (cdi->ops->select_disc)  in cdrom_ioctl_select_disc()
2367 		return cdi->ops->select_disc(cdi, arg);  in cdrom_ioctl_select_disc()
2370 	return cdrom_select_disc(cdi, arg);  in cdrom_ioctl_select_disc()
2373 static int cdrom_ioctl_reset(struct cdrom_device_info *cdi,  in cdrom_ioctl_reset()  argument
2383 	return cdi->ops->reset(cdi);  in cdrom_ioctl_reset()
2386 static int cdrom_ioctl_lock_door(struct cdrom_device_info *cdi,  in cdrom_ioctl_lock_door()  argument
2400 	if (cdi->use_count != 1 && !arg && !capable(CAP_SYS_ADMIN))  in cdrom_ioctl_lock_door()
2402 	return cdi->ops->lock_door(cdi, arg);  in cdrom_ioctl_lock_door()
2405 static int cdrom_ioctl_debug(struct cdrom_device_info *cdi,  in cdrom_ioctl_debug()  argument
2416 static int cdrom_ioctl_get_capability(struct cdrom_device_info *cdi)  in cdrom_ioctl_get_capability()  argument
2419 	return (cdi->ops->capability & ~cdi->mask);  in cdrom_ioctl_get_capability()
2428 static int cdrom_ioctl_get_mcn(struct cdrom_device_info *cdi,  in cdrom_ioctl_get_mcn()  argument
2436 	if (!(cdi->ops->capability & CDC_MCN))  in cdrom_ioctl_get_mcn()
2438 	ret = cdi->ops->get_mcn(cdi, &mcn);  in cdrom_ioctl_get_mcn()
2448 static int cdrom_ioctl_drive_status(struct cdrom_device_info *cdi,  in cdrom_ioctl_drive_status()  argument
2453 	if (!(cdi->ops->capability & CDC_DRIVE_STATUS))  in cdrom_ioctl_drive_status()
2457 		return cdi->ops->drive_status(cdi, CDSL_CURRENT);  in cdrom_ioctl_drive_status()
2458 	if (((int)arg >= cdi->capacity))  in cdrom_ioctl_drive_status()
2460 	return cdrom_slot_status(cdi, arg);  in cdrom_ioctl_drive_status()
2480 static int cdrom_ioctl_disc_status(struct cdrom_device_info *cdi)  in cdrom_ioctl_disc_status()  argument
2486 	cdrom_count_tracks(cdi, &tracks);  in cdrom_ioctl_disc_status()
2492 		if (!tracks.data && !tracks.cdi && !tracks.xa)  in cdrom_ioctl_disc_status()
2498 	if (tracks.cdi > 0)  in cdrom_ioctl_disc_status()
2510 static int cdrom_ioctl_changer_nslots(struct cdrom_device_info *cdi)  in cdrom_ioctl_changer_nslots()  argument
2513 	return cdi->capacity;  in cdrom_ioctl_changer_nslots()
2516 static int cdrom_ioctl_get_subchnl(struct cdrom_device_info *cdi,  in cdrom_ioctl_get_subchnl()  argument
2533 	ret = cdi->ops->audio_ioctl(cdi, CDROMSUBCHNL, &q);  in cdrom_ioctl_get_subchnl()
2547 static int cdrom_ioctl_read_tochdr(struct cdrom_device_info *cdi,  in cdrom_ioctl_read_tochdr()  argument
2558 	ret = cdi->ops->audio_ioctl(cdi, CDROMREADTOCHDR, &header);  in cdrom_ioctl_read_tochdr()
2568 static int cdrom_ioctl_read_tocentry(struct cdrom_device_info *cdi,  in cdrom_ioctl_read_tocentry()  argument
2585 	ret = cdi->ops->audio_ioctl(cdi, CDROMREADTOCENTRY, &entry);  in cdrom_ioctl_read_tocentry()
2596 static int cdrom_ioctl_play_msf(struct cdrom_device_info *cdi,  in cdrom_ioctl_play_msf()  argument
2607 	return cdi->ops->audio_ioctl(cdi, CDROMPLAYMSF, &msf);  in cdrom_ioctl_play_msf()
2610 static int cdrom_ioctl_play_trkind(struct cdrom_device_info *cdi,  in cdrom_ioctl_play_trkind()  argument
2623 	ret = check_for_audio_disc(cdi, cdi->ops);  in cdrom_ioctl_play_trkind()
2626 	return cdi->ops->audio_ioctl(cdi, CDROMPLAYTRKIND, &ti);  in cdrom_ioctl_play_trkind()
2628 static int cdrom_ioctl_volctrl(struct cdrom_device_info *cdi,  in cdrom_ioctl_volctrl()  argument
2639 	return cdi->ops->audio_ioctl(cdi, CDROMVOLCTRL, &volume);  in cdrom_ioctl_volctrl()
2642 static int cdrom_ioctl_volread(struct cdrom_device_info *cdi,  in cdrom_ioctl_volread()  argument
2653 	ret = cdi->ops->audio_ioctl(cdi, CDROMVOLREAD, &volume);  in cdrom_ioctl_volread()
2662 static int cdrom_ioctl_audioctl(struct cdrom_device_info *cdi,  in cdrom_ioctl_audioctl()  argument
2671 	ret = check_for_audio_disc(cdi, cdi->ops);  in cdrom_ioctl_audioctl()
2674 	return cdi->ops->audio_ioctl(cdi, cmd, NULL);  in cdrom_ioctl_audioctl()
2682 int cdrom_ioctl(struct cdrom_device_info *cdi, struct block_device *bdev,  in cdrom_ioctl()  argument
2698 		return cdrom_ioctl_multisession(cdi, argp);  in cdrom_ioctl()
2700 		return cdrom_ioctl_eject(cdi);  in cdrom_ioctl()
2702 		return cdrom_ioctl_closetray(cdi);  in cdrom_ioctl()
2704 		return cdrom_ioctl_eject_sw(cdi, arg);  in cdrom_ioctl()
2706 		return cdrom_ioctl_media_changed(cdi, arg);  in cdrom_ioctl()
2708 		return cdrom_ioctl_set_options(cdi, arg);  in cdrom_ioctl()
2710 		return cdrom_ioctl_clear_options(cdi, arg);  in cdrom_ioctl()
2712 		return cdrom_ioctl_select_speed(cdi, arg);  in cdrom_ioctl()
2714 		return cdrom_ioctl_select_disc(cdi, arg);  in cdrom_ioctl()
2716 		return cdrom_ioctl_reset(cdi, bdev);  in cdrom_ioctl()
2718 		return cdrom_ioctl_lock_door(cdi, arg);  in cdrom_ioctl()
2720 		return cdrom_ioctl_debug(cdi, arg);  in cdrom_ioctl()
2722 		return cdrom_ioctl_get_capability(cdi);  in cdrom_ioctl()
2724 		return cdrom_ioctl_get_mcn(cdi, argp);  in cdrom_ioctl()
2726 		return cdrom_ioctl_drive_status(cdi, arg);  in cdrom_ioctl()
2728 		return cdrom_ioctl_disc_status(cdi);  in cdrom_ioctl()
2730 		return cdrom_ioctl_changer_nslots(cdi);  in cdrom_ioctl()
2740 		ret = mmc_ioctl(cdi, cmd, arg);  in cdrom_ioctl()
2752 		return cdrom_ioctl_get_subchnl(cdi, argp);  in cdrom_ioctl()
2754 		return cdrom_ioctl_read_tochdr(cdi, argp);  in cdrom_ioctl()
2756 		return cdrom_ioctl_read_tocentry(cdi, argp);  in cdrom_ioctl()
2758 		return cdrom_ioctl_play_msf(cdi, argp);  in cdrom_ioctl()
2760 		return cdrom_ioctl_play_trkind(cdi, argp);  in cdrom_ioctl()
2762 		return cdrom_ioctl_volctrl(cdi, argp);  in cdrom_ioctl()
2764 		return cdrom_ioctl_volread(cdi, argp);  in cdrom_ioctl()
2769 		return cdrom_ioctl_audioctl(cdi, cmd);  in cdrom_ioctl()
2779 static int cdrom_switch_blocksize(struct cdrom_device_info *cdi, int size)  in cdrom_switch_blocksize()  argument
2781 	struct cdrom_device_ops *cdo = cdi->ops;  in cdrom_switch_blocksize()
2801 	return cdo->generic_packet(cdi, &cgc);  in cdrom_switch_blocksize()
2804 static noinline int mmc_ioctl_cdrom_read_data(struct cdrom_device_info *cdi,  in mmc_ioctl_cdrom_read_data()  argument
2839 	ret = cdrom_read_block(cdi, cgc, lba, 1, format, blocksize);  in mmc_ioctl_cdrom_read_data()
2848 		ret = cdrom_switch_blocksize(cdi, blocksize);  in mmc_ioctl_cdrom_read_data()
2852 		ret = cdrom_read_cd(cdi, cgc, lba, blocksize, 1);  in mmc_ioctl_cdrom_read_data()
2853 		ret |= cdrom_switch_blocksize(cdi, blocksize);  in mmc_ioctl_cdrom_read_data()
2862 static noinline int mmc_ioctl_cdrom_read_audio(struct cdrom_device_info *cdi,  in mmc_ioctl_cdrom_read_audio()  argument
2883 	return cdrom_read_cdda(cdi, ra.buf, lba, ra.nframes);  in mmc_ioctl_cdrom_read_audio()
2886 static noinline int mmc_ioctl_cdrom_subchannel(struct cdrom_device_info *cdi,  in mmc_ioctl_cdrom_subchannel()  argument
2898 	ret = cdrom_read_subchannel(cdi, &q, 0);  in mmc_ioctl_cdrom_subchannel()
2909 static noinline int mmc_ioctl_cdrom_play_msf(struct cdrom_device_info *cdi,  in mmc_ioctl_cdrom_play_msf()  argument
2913 	struct cdrom_device_ops *cdo = cdi->ops;  in mmc_ioctl_cdrom_play_msf()
2925 	return cdo->generic_packet(cdi, cgc);  in mmc_ioctl_cdrom_play_msf()
2928 static noinline int mmc_ioctl_cdrom_play_blk(struct cdrom_device_info *cdi,  in mmc_ioctl_cdrom_play_blk()  argument
2932 	struct cdrom_device_ops *cdo = cdi->ops;  in mmc_ioctl_cdrom_play_blk()
2944 	return cdo->generic_packet(cdi, cgc);  in mmc_ioctl_cdrom_play_blk()
2947 static noinline int mmc_ioctl_cdrom_volume(struct cdrom_device_info *cdi,  in mmc_ioctl_cdrom_volume()  argument
2964 	ret = cdrom_mode_sense(cdi, cgc, GPMODE_AUDIO_CTL_PAGE, 0);  in mmc_ioctl_cdrom_volume()
2979 		ret = cdrom_mode_sense(cdi, cgc,  in mmc_ioctl_cdrom_volume()
3003 	ret = cdrom_mode_sense(cdi, cgc, GPMODE_AUDIO_CTL_PAGE, 1);  in mmc_ioctl_cdrom_volume()
3015 	return cdrom_mode_select(cdi, cgc);  in mmc_ioctl_cdrom_volume()
3018 static noinline int mmc_ioctl_cdrom_start_stop(struct cdrom_device_info *cdi,  in mmc_ioctl_cdrom_start_stop()  argument
3022 	struct cdrom_device_ops *cdo = cdi->ops;  in mmc_ioctl_cdrom_start_stop()
3028 	return cdo->generic_packet(cdi, cgc);  in mmc_ioctl_cdrom_start_stop()
3031 static noinline int mmc_ioctl_cdrom_pause_resume(struct cdrom_device_info *cdi,  in mmc_ioctl_cdrom_pause_resume()  argument
3035 	struct cdrom_device_ops *cdo = cdi->ops;  in mmc_ioctl_cdrom_pause_resume()
3040 	return cdo->generic_packet(cdi, cgc);  in mmc_ioctl_cdrom_pause_resume()
3043 static noinline int mmc_ioctl_dvd_read_struct(struct cdrom_device_info *cdi,  in mmc_ioctl_dvd_read_struct()  argument
3064 	ret = dvd_read_struct(cdi, s, cgc);  in mmc_ioctl_dvd_read_struct()
3075 static noinline int mmc_ioctl_dvd_auth(struct cdrom_device_info *cdi,  in mmc_ioctl_dvd_auth()  argument
3084 	ret = dvd_do_auth(cdi, &ai);  in mmc_ioctl_dvd_auth()
3091 static noinline int mmc_ioctl_cdrom_next_writable(struct cdrom_device_info *cdi,  in mmc_ioctl_cdrom_next_writable()  argument
3097 	ret = cdrom_get_next_writable(cdi, &next);  in mmc_ioctl_cdrom_next_writable()
3104 static noinline int mmc_ioctl_cdrom_last_written(struct cdrom_device_info *cdi,  in mmc_ioctl_cdrom_last_written()  argument
3110 	ret = cdrom_get_last_written(cdi, &last);  in mmc_ioctl_cdrom_last_written()
3117 static int mmc_ioctl(struct cdrom_device_info *cdi, unsigned int cmd,  in mmc_ioctl()  argument
3131 		return mmc_ioctl_cdrom_read_data(cdi, userptr, &cgc, cmd);  in mmc_ioctl()
3133 		return mmc_ioctl_cdrom_read_audio(cdi, userptr);  in mmc_ioctl()
3135 		return mmc_ioctl_cdrom_subchannel(cdi, userptr);  in mmc_ioctl()
3137 		return mmc_ioctl_cdrom_play_msf(cdi, userptr, &cgc);  in mmc_ioctl()
3139 		return mmc_ioctl_cdrom_play_blk(cdi, userptr, &cgc);  in mmc_ioctl()
3142 		return mmc_ioctl_cdrom_volume(cdi, userptr, &cgc, cmd);  in mmc_ioctl()
3145 		return mmc_ioctl_cdrom_start_stop(cdi, &cgc, cmd);  in mmc_ioctl()
3148 		return mmc_ioctl_cdrom_pause_resume(cdi, &cgc, cmd);  in mmc_ioctl()
3150 		return mmc_ioctl_dvd_read_struct(cdi, userptr, &cgc);  in mmc_ioctl()
3152 		return mmc_ioctl_dvd_auth(cdi, userptr);  in mmc_ioctl()
3154 		return mmc_ioctl_cdrom_next_writable(cdi, userptr);  in mmc_ioctl()
3156 		return mmc_ioctl_cdrom_last_written(cdi, userptr);  in mmc_ioctl()
3162 static int cdrom_get_track_info(struct cdrom_device_info *cdi, __u16 track, __u8 type,  in cdrom_get_track_info()  argument
3165 	struct cdrom_device_ops *cdo = cdi->ops;  in cdrom_get_track_info()
3177 	if ((ret = cdo->generic_packet(cdi, &cgc)))  in cdrom_get_track_info()
3187 	if ((ret = cdo->generic_packet(cdi, &cgc)))  in cdrom_get_track_info()
3195 static int cdrom_get_disc_info(struct cdrom_device_info *cdi, disc_information *di)  in cdrom_get_disc_info()  argument
3197 	struct cdrom_device_ops *cdo = cdi->ops;  in cdrom_get_disc_info()
3207 	if ((ret = cdo->generic_packet(cdi, &cgc)))  in cdrom_get_disc_info()
3220 	if ((ret = cdo->generic_packet(cdi, &cgc)))  in cdrom_get_disc_info()
3229 int cdrom_get_last_written(struct cdrom_device_info *cdi, long *last_written)  in cdrom_get_last_written()  argument
3240 	ret = cdrom_get_disc_info(cdi, &di);  in cdrom_get_last_written()
3247 	ti_size = cdrom_get_track_info(cdi, last_track, 1, &ti);  in cdrom_get_last_written()
3256 		ti_size = cdrom_get_track_info(cdi, last_track, 1, &ti);  in cdrom_get_last_written()
3283 	if ((ret = cdi->ops->audio_ioctl(cdi, CDROMREADTOCENTRY, &toc)))  in cdrom_get_last_written()
3291 static int cdrom_get_next_writable(struct cdrom_device_info *cdi, long *next_writable)  in cdrom_get_next_writable()  argument
3301 	ret = cdrom_get_disc_info(cdi, &di);  in cdrom_get_next_writable()
3308 	ti_size = cdrom_get_track_info(cdi, last_track, 1, &ti);  in cdrom_get_next_writable()
3317 		ti_size = cdrom_get_track_info(cdi, last_track, 1, &ti);  in cdrom_get_next_writable()
3330 	if ((ret = cdrom_get_last_written(cdi, next_writable))) {  in cdrom_get_next_writable()
3376 	struct cdrom_device_info *cdi;  in cdrom_print_info()  local
3385 	list_for_each_entry(cdi, &cdrom_list, list) {  in cdrom_print_info()
3389 					"\t%s", cdi->name);  in cdrom_print_info()
3393 					"\t%d", cdi->speed);  in cdrom_print_info()
3397 					"\t%d", cdi->capacity);  in cdrom_print_info()
3504 	struct cdrom_device_info *cdi;  in cdrom_update_settings()  local
3507 	list_for_each_entry(cdi, &cdrom_list, list) {  in cdrom_update_settings()
3509 			cdi->options |= CDO_AUTO_CLOSE;  in cdrom_update_settings()
3511 			cdi->options &= ~CDO_AUTO_CLOSE;  in cdrom_update_settings()
3513 			cdi->options |= CDO_AUTO_EJECT;  in cdrom_update_settings()
3515 			cdi->options &= ~CDO_AUTO_EJECT;  in cdrom_update_settings()
3517 			cdi->options |= CDO_LOCK;  in cdrom_update_settings()
3519 			cdi->options &= ~CDO_LOCK;  in cdrom_update_settings()
3521 			cdi->options |= CDO_CHECK_TYPE;  in cdrom_update_settings()
3523 			cdi->options &= ~CDO_CHECK_TYPE;  in cdrom_update_settings()