Lines Matching refs:pd
75 #define pkt_err(pd, fmt, ...) \ argument
76 pr_err("%s: " fmt, pd->name, ##__VA_ARGS__)
77 #define pkt_notice(pd, fmt, ...) \ argument
78 pr_notice("%s: " fmt, pd->name, ##__VA_ARGS__)
79 #define pkt_info(pd, fmt, ...) \ argument
80 pr_info("%s: " fmt, pd->name, ##__VA_ARGS__)
82 #define pkt_dbg(level, pd, fmt, ...) \ argument
86 pd->name, __func__, ##__VA_ARGS__); \
88 pr_notice("%s: " fmt, pd->name, ##__VA_ARGS__); \
111 static sector_t get_zone(sector_t sector, struct pktcdvd_device *pd) in get_zone() argument
113 return (sector + pd->offset) & ~(sector_t)(pd->settings.size - 1); in get_zone()
119 static struct pktcdvd_kobj* pkt_kobj_create(struct pktcdvd_device *pd, in pkt_kobj_create() argument
130 p->pd = pd; in pkt_kobj_create()
210 struct pktcdvd_device *pd = to_pktcdvdkobj(kobj)->pd; in kobj_pkt_show() local
214 n = sprintf(data, "%lu\n", pd->stats.pkt_started); in kobj_pkt_show()
217 n = sprintf(data, "%lu\n", pd->stats.pkt_ended); in kobj_pkt_show()
220 n = sprintf(data, "%lu\n", pd->stats.secs_w >> 1); in kobj_pkt_show()
223 n = sprintf(data, "%lu\n", pd->stats.secs_r >> 1); in kobj_pkt_show()
226 n = sprintf(data, "%lu\n", pd->stats.secs_rg >> 1); in kobj_pkt_show()
229 spin_lock(&pd->lock); in kobj_pkt_show()
230 v = pd->bio_queue_size; in kobj_pkt_show()
231 spin_unlock(&pd->lock); in kobj_pkt_show()
235 spin_lock(&pd->lock); in kobj_pkt_show()
236 v = pd->write_congestion_off; in kobj_pkt_show()
237 spin_unlock(&pd->lock); in kobj_pkt_show()
241 spin_lock(&pd->lock); in kobj_pkt_show()
242 v = pd->write_congestion_on; in kobj_pkt_show()
243 spin_unlock(&pd->lock); in kobj_pkt_show()
270 struct pktcdvd_device *pd = to_pktcdvdkobj(kobj)->pd; in kobj_pkt_store() local
274 pd->stats.pkt_started = 0; in kobj_pkt_store()
275 pd->stats.pkt_ended = 0; in kobj_pkt_store()
276 pd->stats.secs_w = 0; in kobj_pkt_store()
277 pd->stats.secs_rg = 0; in kobj_pkt_store()
278 pd->stats.secs_r = 0; in kobj_pkt_store()
282 spin_lock(&pd->lock); in kobj_pkt_store()
283 pd->write_congestion_off = val; in kobj_pkt_store()
284 init_write_congestion_marks(&pd->write_congestion_off, in kobj_pkt_store()
285 &pd->write_congestion_on); in kobj_pkt_store()
286 spin_unlock(&pd->lock); in kobj_pkt_store()
290 spin_lock(&pd->lock); in kobj_pkt_store()
291 pd->write_congestion_on = val; in kobj_pkt_store()
292 init_write_congestion_marks(&pd->write_congestion_off, in kobj_pkt_store()
293 &pd->write_congestion_on); in kobj_pkt_store()
294 spin_unlock(&pd->lock); in kobj_pkt_store()
314 static void pkt_sysfs_dev_new(struct pktcdvd_device *pd) in pkt_sysfs_dev_new() argument
317 pd->dev = device_create(class_pktcdvd, NULL, MKDEV(0, 0), NULL, in pkt_sysfs_dev_new()
318 "%s", pd->name); in pkt_sysfs_dev_new()
319 if (IS_ERR(pd->dev)) in pkt_sysfs_dev_new()
320 pd->dev = NULL; in pkt_sysfs_dev_new()
322 if (pd->dev) { in pkt_sysfs_dev_new()
323 pd->kobj_stat = pkt_kobj_create(pd, "stat", in pkt_sysfs_dev_new()
324 &pd->dev->kobj, in pkt_sysfs_dev_new()
326 pd->kobj_wqueue = pkt_kobj_create(pd, "write_queue", in pkt_sysfs_dev_new()
327 &pd->dev->kobj, in pkt_sysfs_dev_new()
332 static void pkt_sysfs_dev_remove(struct pktcdvd_device *pd) in pkt_sysfs_dev_remove() argument
334 pkt_kobj_remove(pd->kobj_stat); in pkt_sysfs_dev_remove()
335 pkt_kobj_remove(pd->kobj_wqueue); in pkt_sysfs_dev_remove()
337 device_unregister(pd->dev); in pkt_sysfs_dev_remove()
360 struct pktcdvd_device *pd = pkt_devs[idx]; in device_map_show() local
361 if (!pd) in device_map_show()
364 pd->name, in device_map_show()
365 MAJOR(pd->pkt_dev), MINOR(pd->pkt_dev), in device_map_show()
366 MAJOR(pd->bdev->bd_dev), in device_map_show()
367 MINOR(pd->bdev->bd_dev)); in device_map_show()
473 static void pkt_debugfs_dev_new(struct pktcdvd_device *pd) in pkt_debugfs_dev_new() argument
477 pd->dfs_d_root = debugfs_create_dir(pd->name, pkt_debugfs_root); in pkt_debugfs_dev_new()
478 if (!pd->dfs_d_root) in pkt_debugfs_dev_new()
481 pd->dfs_f_info = debugfs_create_file("info", 0444, in pkt_debugfs_dev_new()
482 pd->dfs_d_root, pd, &debug_fops); in pkt_debugfs_dev_new()
485 static void pkt_debugfs_dev_remove(struct pktcdvd_device *pd) in pkt_debugfs_dev_remove() argument
489 debugfs_remove(pd->dfs_f_info); in pkt_debugfs_dev_remove()
490 debugfs_remove(pd->dfs_d_root); in pkt_debugfs_dev_remove()
491 pd->dfs_f_info = NULL; in pkt_debugfs_dev_remove()
492 pd->dfs_d_root = NULL; in pkt_debugfs_dev_remove()
509 static void pkt_bio_finished(struct pktcdvd_device *pd) in pkt_bio_finished() argument
511 BUG_ON(atomic_read(&pd->cdrw.pending_bios) <= 0); in pkt_bio_finished()
512 if (atomic_dec_and_test(&pd->cdrw.pending_bios)) { in pkt_bio_finished()
513 pkt_dbg(2, pd, "queue empty\n"); in pkt_bio_finished()
514 atomic_set(&pd->iosched.attention, 1); in pkt_bio_finished()
515 wake_up(&pd->wqueue); in pkt_bio_finished()
591 static void pkt_shrink_pktlist(struct pktcdvd_device *pd) in pkt_shrink_pktlist() argument
595 BUG_ON(!list_empty(&pd->cdrw.pkt_active_list)); in pkt_shrink_pktlist()
597 list_for_each_entry_safe(pkt, next, &pd->cdrw.pkt_free_list, list) { in pkt_shrink_pktlist()
600 INIT_LIST_HEAD(&pd->cdrw.pkt_free_list); in pkt_shrink_pktlist()
603 static int pkt_grow_pktlist(struct pktcdvd_device *pd, int nr_packets) in pkt_grow_pktlist() argument
607 BUG_ON(!list_empty(&pd->cdrw.pkt_free_list)); in pkt_grow_pktlist()
610 pkt = pkt_alloc_packet_data(pd->settings.size >> 2); in pkt_grow_pktlist()
612 pkt_shrink_pktlist(pd); in pkt_grow_pktlist()
616 pkt->pd = pd; in pkt_grow_pktlist()
617 list_add(&pkt->list, &pd->cdrw.pkt_free_list); in pkt_grow_pktlist()
631 static void pkt_rbtree_erase(struct pktcdvd_device *pd, struct pkt_rb_node *node) in pkt_rbtree_erase() argument
633 rb_erase(&node->rb_node, &pd->bio_queue); in pkt_rbtree_erase()
634 mempool_free(node, &pd->rb_pool); in pkt_rbtree_erase()
635 pd->bio_queue_size--; in pkt_rbtree_erase()
636 BUG_ON(pd->bio_queue_size < 0); in pkt_rbtree_erase()
642 static struct pkt_rb_node *pkt_rbtree_find(struct pktcdvd_device *pd, sector_t s) in pkt_rbtree_find() argument
644 struct rb_node *n = pd->bio_queue.rb_node; in pkt_rbtree_find()
649 BUG_ON(pd->bio_queue_size > 0); in pkt_rbtree_find()
676 static void pkt_rbtree_insert(struct pktcdvd_device *pd, struct pkt_rb_node *node) in pkt_rbtree_insert() argument
678 struct rb_node **p = &pd->bio_queue.rb_node; in pkt_rbtree_insert()
692 rb_insert_color(&node->rb_node, &pd->bio_queue); in pkt_rbtree_insert()
693 pd->bio_queue_size++; in pkt_rbtree_insert()
700 static int pkt_generic_packet(struct pktcdvd_device *pd, struct packet_command *cgc) in pkt_generic_packet() argument
702 struct request_queue *q = bdev_get_queue(pd->bdev); in pkt_generic_packet()
725 blk_execute_rq(rq->q, pd->bdev->bd_disk, rq, 0); in pkt_generic_packet()
748 static void pkt_dump_sense(struct pktcdvd_device *pd, in pkt_dump_sense() argument
754 pkt_err(pd, "%*ph - sense %02x.%02x.%02x (%s)\n", in pkt_dump_sense()
759 pkt_err(pd, "%*ph - no sense\n", CDROM_PACKET_SIZE, cgc->cmd); in pkt_dump_sense()
765 static int pkt_flush_cache(struct pktcdvd_device *pd) in pkt_flush_cache() argument
780 return pkt_generic_packet(pd, &cgc); in pkt_flush_cache()
786 static noinline_for_stack int pkt_set_speed(struct pktcdvd_device *pd, in pkt_set_speed() argument
801 ret = pkt_generic_packet(pd, &cgc); in pkt_set_speed()
803 pkt_dump_sense(pd, &cgc); in pkt_set_speed()
812 static void pkt_queue_bio(struct pktcdvd_device *pd, struct bio *bio) in pkt_queue_bio() argument
814 spin_lock(&pd->iosched.lock); in pkt_queue_bio()
816 bio_list_add(&pd->iosched.read_queue, bio); in pkt_queue_bio()
818 bio_list_add(&pd->iosched.write_queue, bio); in pkt_queue_bio()
819 spin_unlock(&pd->iosched.lock); in pkt_queue_bio()
821 atomic_set(&pd->iosched.attention, 1); in pkt_queue_bio()
822 wake_up(&pd->wqueue); in pkt_queue_bio()
841 static void pkt_iosched_process_queue(struct pktcdvd_device *pd) in pkt_iosched_process_queue() argument
844 if (atomic_read(&pd->iosched.attention) == 0) in pkt_iosched_process_queue()
846 atomic_set(&pd->iosched.attention, 0); in pkt_iosched_process_queue()
852 spin_lock(&pd->iosched.lock); in pkt_iosched_process_queue()
853 reads_queued = !bio_list_empty(&pd->iosched.read_queue); in pkt_iosched_process_queue()
854 writes_queued = !bio_list_empty(&pd->iosched.write_queue); in pkt_iosched_process_queue()
855 spin_unlock(&pd->iosched.lock); in pkt_iosched_process_queue()
860 if (pd->iosched.writing) { in pkt_iosched_process_queue()
862 spin_lock(&pd->iosched.lock); in pkt_iosched_process_queue()
863 bio = bio_list_peek(&pd->iosched.write_queue); in pkt_iosched_process_queue()
864 spin_unlock(&pd->iosched.lock); in pkt_iosched_process_queue()
866 pd->iosched.last_write)) in pkt_iosched_process_queue()
869 if (atomic_read(&pd->cdrw.pending_bios) > 0) { in pkt_iosched_process_queue()
870 pkt_dbg(2, pd, "write, waiting\n"); in pkt_iosched_process_queue()
873 pkt_flush_cache(pd); in pkt_iosched_process_queue()
874 pd->iosched.writing = 0; in pkt_iosched_process_queue()
878 if (atomic_read(&pd->cdrw.pending_bios) > 0) { in pkt_iosched_process_queue()
879 pkt_dbg(2, pd, "read, waiting\n"); in pkt_iosched_process_queue()
882 pd->iosched.writing = 1; in pkt_iosched_process_queue()
886 spin_lock(&pd->iosched.lock); in pkt_iosched_process_queue()
887 if (pd->iosched.writing) in pkt_iosched_process_queue()
888 bio = bio_list_pop(&pd->iosched.write_queue); in pkt_iosched_process_queue()
890 bio = bio_list_pop(&pd->iosched.read_queue); in pkt_iosched_process_queue()
891 spin_unlock(&pd->iosched.lock); in pkt_iosched_process_queue()
897 pd->iosched.successive_reads += in pkt_iosched_process_queue()
900 pd->iosched.successive_reads = 0; in pkt_iosched_process_queue()
901 pd->iosched.last_write = bio_end_sector(bio); in pkt_iosched_process_queue()
903 if (pd->iosched.successive_reads >= HI_SPEED_SWITCH) { in pkt_iosched_process_queue()
904 if (pd->read_speed == pd->write_speed) { in pkt_iosched_process_queue()
905 pd->read_speed = MAX_SPEED; in pkt_iosched_process_queue()
906 pkt_set_speed(pd, pd->write_speed, pd->read_speed); in pkt_iosched_process_queue()
909 if (pd->read_speed != pd->write_speed) { in pkt_iosched_process_queue()
910 pd->read_speed = pd->write_speed; in pkt_iosched_process_queue()
911 pkt_set_speed(pd, pd->write_speed, pd->read_speed); in pkt_iosched_process_queue()
915 atomic_inc(&pd->cdrw.pending_bios); in pkt_iosched_process_queue()
924 static int pkt_set_segment_merging(struct pktcdvd_device *pd, struct request_queue *q) in pkt_set_segment_merging() argument
926 if ((pd->settings.size << 9) / CD_FRAMESIZE in pkt_set_segment_merging()
931 clear_bit(PACKET_MERGE_SEGS, &pd->flags); in pkt_set_segment_merging()
933 } else if ((pd->settings.size << 9) / PAGE_SIZE in pkt_set_segment_merging()
939 set_bit(PACKET_MERGE_SEGS, &pd->flags); in pkt_set_segment_merging()
942 pkt_err(pd, "cdrom max_phys_segments too small\n"); in pkt_set_segment_merging()
950 struct pktcdvd_device *pd = pkt->pd; in pkt_end_io_read() local
951 BUG_ON(!pd); in pkt_end_io_read()
953 pkt_dbg(2, pd, "bio=%p sec0=%llx sec=%llx err=%d\n", in pkt_end_io_read()
961 wake_up(&pd->wqueue); in pkt_end_io_read()
963 pkt_bio_finished(pd); in pkt_end_io_read()
969 struct pktcdvd_device *pd = pkt->pd; in pkt_end_io_packet_write() local
970 BUG_ON(!pd); in pkt_end_io_packet_write()
972 pkt_dbg(2, pd, "id=%d, err=%d\n", pkt->id, bio->bi_status); in pkt_end_io_packet_write()
974 pd->stats.pkt_ended++; in pkt_end_io_packet_write()
976 pkt_bio_finished(pd); in pkt_end_io_packet_write()
979 wake_up(&pd->wqueue); in pkt_end_io_packet_write()
985 static void pkt_gather_data(struct pktcdvd_device *pd, struct packet_data *pkt) in pkt_gather_data() argument
1006 pd->stats.secs_w += num_frames * (CD_FRAMESIZE >> 9); in pkt_gather_data()
1015 pkt_dbg(2, pd, "zone %llx cached\n", in pkt_gather_data()
1032 bio_set_dev(bio, pd->bdev); in pkt_gather_data()
1038 pkt_dbg(2, pd, "Adding frame %d, page:%p offs:%d\n", in pkt_gather_data()
1045 pkt_queue_bio(pd, bio); in pkt_gather_data()
1050 pkt_dbg(2, pd, "need %d frames for zone %llx\n", in pkt_gather_data()
1052 pd->stats.pkt_started++; in pkt_gather_data()
1053 pd->stats.secs_rg += frames_read * (CD_FRAMESIZE >> 9); in pkt_gather_data()
1060 static struct packet_data *pkt_get_packet_data(struct pktcdvd_device *pd, int zone) in pkt_get_packet_data() argument
1064 list_for_each_entry(pkt, &pd->cdrw.pkt_free_list, list) { in pkt_get_packet_data()
1065 if (pkt->sector == zone || pkt->list.next == &pd->cdrw.pkt_free_list) { in pkt_get_packet_data()
1076 static void pkt_put_packet_data(struct pktcdvd_device *pd, struct packet_data *pkt) in pkt_put_packet_data() argument
1079 list_add(&pkt->list, &pd->cdrw.pkt_free_list); in pkt_put_packet_data()
1081 list_add_tail(&pkt->list, &pd->cdrw.pkt_free_list); in pkt_put_packet_data()
1100 struct pktcdvd_device *pd = rq->rq_disk->private_data; in pkt_start_recovery()
1106 pkt_bdev = bdget(kdev_t_to_nr(pd->pkt_dev)); in pkt_start_recovery()
1126 bio_set_dev(pkt->bio, pd->bdev); in pkt_start_recovery()
1151 pkt_dbg(2, pd, "pkt %2d : s=%6llx %s -> %s\n", in pkt_set_state()
1162 static int pkt_handle_queue(struct pktcdvd_device *pd) in pkt_handle_queue() argument
1171 atomic_set(&pd->scan_queue, 0); in pkt_handle_queue()
1173 if (list_empty(&pd->cdrw.pkt_free_list)) { in pkt_handle_queue()
1174 pkt_dbg(2, pd, "no pkt\n"); in pkt_handle_queue()
1181 spin_lock(&pd->lock); in pkt_handle_queue()
1182 first_node = pkt_rbtree_find(pd, pd->current_sector); in pkt_handle_queue()
1184 n = rb_first(&pd->bio_queue); in pkt_handle_queue()
1191 zone = get_zone(bio->bi_iter.bi_sector, pd); in pkt_handle_queue()
1192 list_for_each_entry(p, &pd->cdrw.pkt_active_list, list) { in pkt_handle_queue()
1202 n = rb_first(&pd->bio_queue); in pkt_handle_queue()
1209 spin_unlock(&pd->lock); in pkt_handle_queue()
1211 pkt_dbg(2, pd, "no bio\n"); in pkt_handle_queue()
1215 pkt = pkt_get_packet_data(pd, zone); in pkt_handle_queue()
1217 pd->current_sector = zone + pd->settings.size; in pkt_handle_queue()
1219 BUG_ON(pkt->frames != pd->settings.size >> 2); in pkt_handle_queue()
1226 spin_lock(&pd->lock); in pkt_handle_queue()
1227 pkt_dbg(2, pd, "looking for zone %llx\n", (unsigned long long)zone); in pkt_handle_queue()
1228 while ((node = pkt_rbtree_find(pd, zone)) != NULL) { in pkt_handle_queue()
1230 pkt_dbg(2, pd, "found zone=%llx\n", (unsigned long long) in pkt_handle_queue()
1231 get_zone(bio->bi_iter.bi_sector, pd)); in pkt_handle_queue()
1232 if (get_zone(bio->bi_iter.bi_sector, pd) != zone) in pkt_handle_queue()
1234 pkt_rbtree_erase(pd, node); in pkt_handle_queue()
1242 wakeup = (pd->write_congestion_on > 0 in pkt_handle_queue()
1243 && pd->bio_queue_size <= pd->write_congestion_off); in pkt_handle_queue()
1244 spin_unlock(&pd->lock); in pkt_handle_queue()
1246 clear_bdi_congested(pd->disk->queue->backing_dev_info, in pkt_handle_queue()
1254 spin_lock(&pd->cdrw.active_list_lock); in pkt_handle_queue()
1255 list_add(&pkt->list, &pd->cdrw.pkt_active_list); in pkt_handle_queue()
1256 spin_unlock(&pd->cdrw.active_list_lock); in pkt_handle_queue()
1265 static void pkt_start_write(struct pktcdvd_device *pd, struct packet_data *pkt) in pkt_start_write() argument
1271 bio_set_dev(pkt->w_bio, pd->bdev); in pkt_start_write()
1283 pkt_dbg(2, pd, "vcnt=%d\n", pkt->w_bio->bi_vcnt); in pkt_start_write()
1294 pkt_dbg(2, pd, "Writing %d frames for zone %llx\n", in pkt_start_write()
1297 if (test_bit(PACKET_MERGE_SEGS, &pd->flags) || (pkt->write_size < pkt->frames)) in pkt_start_write()
1305 pkt_queue_bio(pd, pkt->w_bio); in pkt_start_write()
1322 static void pkt_run_state_machine(struct pktcdvd_device *pd, struct packet_data *pkt) in pkt_run_state_machine() argument
1324 pkt_dbg(2, pd, "pkt %d\n", pkt->id); in pkt_run_state_machine()
1333 pkt_gather_data(pd, pkt); in pkt_run_state_machine()
1344 pkt_start_write(pd, pkt); in pkt_run_state_machine()
1361 pkt_start_write(pd, pkt); in pkt_run_state_machine()
1363 pkt_dbg(2, pd, "No recovery possible\n"); in pkt_run_state_machine()
1379 static void pkt_handle_packets(struct pktcdvd_device *pd) in pkt_handle_packets() argument
1386 list_for_each_entry(pkt, &pd->cdrw.pkt_active_list, list) { in pkt_handle_packets()
1389 pkt_run_state_machine(pd, pkt); in pkt_handle_packets()
1396 spin_lock(&pd->cdrw.active_list_lock); in pkt_handle_packets()
1397 list_for_each_entry_safe(pkt, next, &pd->cdrw.pkt_active_list, list) { in pkt_handle_packets()
1400 pkt_put_packet_data(pd, pkt); in pkt_handle_packets()
1402 atomic_set(&pd->scan_queue, 1); in pkt_handle_packets()
1405 spin_unlock(&pd->cdrw.active_list_lock); in pkt_handle_packets()
1408 static void pkt_count_states(struct pktcdvd_device *pd, int *states) in pkt_count_states() argument
1416 spin_lock(&pd->cdrw.active_list_lock); in pkt_count_states()
1417 list_for_each_entry(pkt, &pd->cdrw.pkt_active_list, list) { in pkt_count_states()
1420 spin_unlock(&pd->cdrw.active_list_lock); in pkt_count_states()
1429 struct pktcdvd_device *pd = foobar; in kcdrwd() local
1442 add_wait_queue(&pd->wqueue, &wait); in kcdrwd()
1447 if (atomic_read(&pd->scan_queue) > 0) in kcdrwd()
1451 list_for_each_entry(pkt, &pd->cdrw.pkt_active_list, list) { in kcdrwd()
1457 if (atomic_read(&pd->iosched.attention) != 0) in kcdrwd()
1463 pkt_count_states(pd, states); in kcdrwd()
1464 pkt_dbg(2, pd, "i:%d ow:%d rw:%d ww:%d rec:%d fin:%d\n", in kcdrwd()
1470 list_for_each_entry(pkt, &pd->cdrw.pkt_active_list, list) { in kcdrwd()
1475 pkt_dbg(2, pd, "sleeping\n"); in kcdrwd()
1477 pkt_dbg(2, pd, "wake up\n"); in kcdrwd()
1482 list_for_each_entry(pkt, &pd->cdrw.pkt_active_list, list) { in kcdrwd()
1497 remove_wait_queue(&pd->wqueue, &wait); in kcdrwd()
1506 while (pkt_handle_queue(pd)) in kcdrwd()
1512 pkt_handle_packets(pd); in kcdrwd()
1517 pkt_iosched_process_queue(pd); in kcdrwd()
1523 static void pkt_print_settings(struct pktcdvd_device *pd) in pkt_print_settings() argument
1525 pkt_info(pd, "%s packets, %u blocks, Mode-%c disc\n", in pkt_print_settings()
1526 pd->settings.fp ? "Fixed" : "Variable", in pkt_print_settings()
1527 pd->settings.size >> 2, in pkt_print_settings()
1528 pd->settings.block_mode == 8 ? '1' : '2'); in pkt_print_settings()
1531 static int pkt_mode_sense(struct pktcdvd_device *pd, struct packet_command *cgc, int page_code, int… in pkt_mode_sense() argument
1540 return pkt_generic_packet(pd, cgc); in pkt_mode_sense()
1543 static int pkt_mode_select(struct pktcdvd_device *pd, struct packet_command *cgc) in pkt_mode_select() argument
1552 return pkt_generic_packet(pd, cgc); in pkt_mode_select()
1555 static int pkt_get_disc_info(struct pktcdvd_device *pd, disc_information *di) in pkt_get_disc_info() argument
1566 ret = pkt_generic_packet(pd, &cgc); in pkt_get_disc_info()
1580 return pkt_generic_packet(pd, &cgc); in pkt_get_disc_info()
1583 static int pkt_get_track_info(struct pktcdvd_device *pd, __u16 track, __u8 type, track_information … in pkt_get_track_info() argument
1596 ret = pkt_generic_packet(pd, &cgc); in pkt_get_track_info()
1607 return pkt_generic_packet(pd, &cgc); in pkt_get_track_info()
1610 static noinline_for_stack int pkt_get_last_written(struct pktcdvd_device *pd, in pkt_get_last_written() argument
1618 ret = pkt_get_disc_info(pd, &di); in pkt_get_last_written()
1623 ret = pkt_get_track_info(pd, last_track, 1, &ti); in pkt_get_last_written()
1630 ret = pkt_get_track_info(pd, last_track, 1, &ti); in pkt_get_last_written()
1651 static noinline_for_stack int pkt_set_write_settings(struct pktcdvd_device *pd) in pkt_set_write_settings() argument
1660 if ((pd->mmc3_profile == 0x1a) || (pd->mmc3_profile == 0x12)) in pkt_set_write_settings()
1666 ret = pkt_mode_sense(pd, &cgc, GPMODE_WRITE_PARMS_PAGE, 0); in pkt_set_write_settings()
1668 pkt_dump_sense(pd, &cgc); in pkt_set_write_settings()
1673 pd->mode_offset = (buffer[6] << 8) | (buffer[7] & 0xff); in pkt_set_write_settings()
1682 ret = pkt_mode_sense(pd, &cgc, GPMODE_WRITE_PARMS_PAGE, 0); in pkt_set_write_settings()
1684 pkt_dump_sense(pd, &cgc); in pkt_set_write_settings()
1691 wp = (write_param_page *) &buffer[sizeof(struct mode_page_header) + pd->mode_offset]; in pkt_set_write_settings()
1693 wp->fp = pd->settings.fp; in pkt_set_write_settings()
1694 wp->track_mode = pd->settings.track_mode; in pkt_set_write_settings()
1695 wp->write_type = pd->settings.write_type; in pkt_set_write_settings()
1696 wp->data_block_type = pd->settings.block_mode; in pkt_set_write_settings()
1719 pkt_err(pd, "write mode wrong %d\n", wp->data_block_type); in pkt_set_write_settings()
1722 wp->packet_size = cpu_to_be32(pd->settings.size >> 2); in pkt_set_write_settings()
1725 ret = pkt_mode_select(pd, &cgc); in pkt_set_write_settings()
1727 pkt_dump_sense(pd, &cgc); in pkt_set_write_settings()
1731 pkt_print_settings(pd); in pkt_set_write_settings()
1738 static int pkt_writable_track(struct pktcdvd_device *pd, track_information *ti) in pkt_writable_track() argument
1740 switch (pd->mmc3_profile) { in pkt_writable_track()
1764 pkt_err(pd, "bad state %d-%d-%d\n", ti->rt, ti->blank, ti->packet); in pkt_writable_track()
1771 static int pkt_writable_disc(struct pktcdvd_device *pd, disc_information *di) in pkt_writable_disc() argument
1773 switch (pd->mmc3_profile) { in pkt_writable_disc()
1782 pkt_dbg(2, pd, "Wrong disc profile (%x)\n", in pkt_writable_disc()
1783 pd->mmc3_profile); in pkt_writable_disc()
1792 pkt_notice(pd, "unknown disc - no track?\n"); in pkt_writable_disc()
1797 pkt_err(pd, "wrong disc type (%x)\n", di->disc_type); in pkt_writable_disc()
1802 pkt_notice(pd, "disc not erasable\n"); in pkt_writable_disc()
1807 pkt_err(pd, "can't write to last track (reserved)\n"); in pkt_writable_disc()
1814 static noinline_for_stack int pkt_probe_settings(struct pktcdvd_device *pd) in pkt_probe_settings() argument
1825 ret = pkt_generic_packet(pd, &cgc); in pkt_probe_settings()
1826 pd->mmc3_profile = ret ? 0xffff : buf[6] << 8 | buf[7]; in pkt_probe_settings()
1831 ret = pkt_get_disc_info(pd, &di); in pkt_probe_settings()
1833 pkt_err(pd, "failed get_disc\n"); in pkt_probe_settings()
1837 if (!pkt_writable_disc(pd, &di)) in pkt_probe_settings()
1840 pd->type = di.erasable ? PACKET_CDRW : PACKET_CDR; in pkt_probe_settings()
1843 ret = pkt_get_track_info(pd, track, 1, &ti); in pkt_probe_settings()
1845 pkt_err(pd, "failed get_track\n"); in pkt_probe_settings()
1849 if (!pkt_writable_track(pd, &ti)) { in pkt_probe_settings()
1850 pkt_err(pd, "can't write to this track\n"); in pkt_probe_settings()
1858 pd->settings.size = be32_to_cpu(ti.fixed_packet_size) << 2; in pkt_probe_settings()
1859 if (pd->settings.size == 0) { in pkt_probe_settings()
1860 pkt_notice(pd, "detected zero packet size!\n"); in pkt_probe_settings()
1863 if (pd->settings.size > PACKET_MAX_SECTORS) { in pkt_probe_settings()
1864 pkt_err(pd, "packet size is too big\n"); in pkt_probe_settings()
1867 pd->settings.fp = ti.fp; in pkt_probe_settings()
1868 pd->offset = (be32_to_cpu(ti.track_start) << 2) & (pd->settings.size - 1); in pkt_probe_settings()
1871 pd->nwa = be32_to_cpu(ti.next_writable); in pkt_probe_settings()
1872 set_bit(PACKET_NWA_VALID, &pd->flags); in pkt_probe_settings()
1881 pd->lra = be32_to_cpu(ti.last_rec_address); in pkt_probe_settings()
1882 set_bit(PACKET_LRA_VALID, &pd->flags); in pkt_probe_settings()
1884 pd->lra = 0xffffffff; in pkt_probe_settings()
1885 set_bit(PACKET_LRA_VALID, &pd->flags); in pkt_probe_settings()
1891 pd->settings.link_loss = 7; in pkt_probe_settings()
1892 pd->settings.write_type = 0; /* packet */ in pkt_probe_settings()
1893 pd->settings.track_mode = ti.track_mode; in pkt_probe_settings()
1900 pd->settings.block_mode = PACKET_BLOCK_MODE1; in pkt_probe_settings()
1903 pd->settings.block_mode = PACKET_BLOCK_MODE2; in pkt_probe_settings()
1906 pkt_err(pd, "unknown data mode\n"); in pkt_probe_settings()
1915 static noinline_for_stack int pkt_write_caching(struct pktcdvd_device *pd, in pkt_write_caching() argument
1925 cgc.buflen = pd->mode_offset + 12; in pkt_write_caching()
1932 ret = pkt_mode_sense(pd, &cgc, GPMODE_WCACHING_PAGE, 0); in pkt_write_caching()
1936 buf[pd->mode_offset + 10] |= (!!set << 2); in pkt_write_caching()
1939 ret = pkt_mode_select(pd, &cgc); in pkt_write_caching()
1941 pkt_err(pd, "write caching control failed\n"); in pkt_write_caching()
1942 pkt_dump_sense(pd, &cgc); in pkt_write_caching()
1944 pkt_notice(pd, "enabled write caching\n"); in pkt_write_caching()
1948 static int pkt_lock_door(struct pktcdvd_device *pd, int lockflag) in pkt_lock_door() argument
1955 return pkt_generic_packet(pd, &cgc); in pkt_lock_door()
1961 static noinline_for_stack int pkt_get_max_speed(struct pktcdvd_device *pd, in pkt_get_max_speed() argument
1970 cap_buf = &buf[sizeof(struct mode_page_header) + pd->mode_offset]; in pkt_get_max_speed()
1974 ret = pkt_mode_sense(pd, &cgc, GPMODE_CAPABILITIES_PAGE, 0); in pkt_get_max_speed()
1976 cgc.buflen = pd->mode_offset + cap_buf[1] + 2 + in pkt_get_max_speed()
1978 ret = pkt_mode_sense(pd, &cgc, GPMODE_CAPABILITIES_PAGE, 0); in pkt_get_max_speed()
1980 pkt_dump_sense(pd, &cgc); in pkt_get_max_speed()
2022 static noinline_for_stack int pkt_media_speed(struct pktcdvd_device *pd, in pkt_media_speed() argument
2037 ret = pkt_generic_packet(pd, &cgc); in pkt_media_speed()
2039 pkt_dump_sense(pd, &cgc); in pkt_media_speed()
2052 ret = pkt_generic_packet(pd, &cgc); in pkt_media_speed()
2054 pkt_dump_sense(pd, &cgc); in pkt_media_speed()
2059 pkt_notice(pd, "disc type is not CD-RW\n"); in pkt_media_speed()
2063 pkt_notice(pd, "A1 values on media are not valid, maybe not CDRW?\n"); in pkt_media_speed()
2083 pkt_notice(pd, "unknown disc sub-type %d\n", st); in pkt_media_speed()
2087 pkt_info(pd, "maximum media speed: %d\n", *speed); in pkt_media_speed()
2090 pkt_notice(pd, "unknown speed %d for sub-type %d\n", sp, st); in pkt_media_speed()
2095 static noinline_for_stack int pkt_perform_opc(struct pktcdvd_device *pd) in pkt_perform_opc() argument
2101 pkt_dbg(2, pd, "Performing OPC\n"); in pkt_perform_opc()
2108 ret = pkt_generic_packet(pd, &cgc); in pkt_perform_opc()
2110 pkt_dump_sense(pd, &cgc); in pkt_perform_opc()
2114 static int pkt_open_write(struct pktcdvd_device *pd) in pkt_open_write() argument
2119 ret = pkt_probe_settings(pd); in pkt_open_write()
2121 pkt_dbg(2, pd, "failed probe\n"); in pkt_open_write()
2125 ret = pkt_set_write_settings(pd); in pkt_open_write()
2127 pkt_dbg(1, pd, "failed saving write settings\n"); in pkt_open_write()
2131 pkt_write_caching(pd, USE_WCACHING); in pkt_open_write()
2133 ret = pkt_get_max_speed(pd, &write_speed); in pkt_open_write()
2136 switch (pd->mmc3_profile) { in pkt_open_write()
2140 pkt_dbg(1, pd, "write speed %ukB/s\n", write_speed); in pkt_open_write()
2143 ret = pkt_media_speed(pd, &media_write_speed); in pkt_open_write()
2147 pkt_dbg(1, pd, "write speed %ux\n", write_speed / 176); in pkt_open_write()
2152 ret = pkt_set_speed(pd, write_speed, read_speed); in pkt_open_write()
2154 pkt_dbg(1, pd, "couldn't set write speed\n"); in pkt_open_write()
2157 pd->write_speed = write_speed; in pkt_open_write()
2158 pd->read_speed = read_speed; in pkt_open_write()
2160 ret = pkt_perform_opc(pd); in pkt_open_write()
2162 pkt_dbg(1, pd, "Optimum Power Calibration failed\n"); in pkt_open_write()
2171 static int pkt_open_dev(struct pktcdvd_device *pd, fmode_t write) in pkt_open_dev() argument
2182 bdget(pd->bdev->bd_dev); in pkt_open_dev()
2183 ret = blkdev_get(pd->bdev, FMODE_READ | FMODE_EXCL, pd); in pkt_open_dev()
2187 ret = pkt_get_last_written(pd, &lba); in pkt_open_dev()
2189 pkt_err(pd, "pkt_get_last_written failed\n"); in pkt_open_dev()
2193 set_capacity(pd->disk, lba << 2); in pkt_open_dev()
2194 set_capacity(pd->bdev->bd_disk, lba << 2); in pkt_open_dev()
2195 bd_set_size(pd->bdev, (loff_t)lba << 11); in pkt_open_dev()
2197 q = bdev_get_queue(pd->bdev); in pkt_open_dev()
2199 ret = pkt_open_write(pd); in pkt_open_dev()
2207 blk_queue_max_hw_sectors(q, pd->settings.size); in pkt_open_dev()
2209 set_bit(PACKET_WRITABLE, &pd->flags); in pkt_open_dev()
2211 pkt_set_speed(pd, MAX_SPEED, MAX_SPEED); in pkt_open_dev()
2212 clear_bit(PACKET_WRITABLE, &pd->flags); in pkt_open_dev()
2215 ret = pkt_set_segment_merging(pd, q); in pkt_open_dev()
2220 if (!pkt_grow_pktlist(pd, CONFIG_CDROM_PKTCDVD_BUFFERS)) { in pkt_open_dev()
2221 pkt_err(pd, "not enough memory for buffers\n"); in pkt_open_dev()
2225 pkt_info(pd, "%lukB available on disc\n", lba << 1); in pkt_open_dev()
2231 blkdev_put(pd->bdev, FMODE_READ | FMODE_EXCL); in pkt_open_dev()
2240 static void pkt_release_dev(struct pktcdvd_device *pd, int flush) in pkt_release_dev() argument
2242 if (flush && pkt_flush_cache(pd)) in pkt_release_dev()
2243 pkt_dbg(1, pd, "not flushing cache\n"); in pkt_release_dev()
2245 pkt_lock_door(pd, 0); in pkt_release_dev()
2247 pkt_set_speed(pd, MAX_SPEED, MAX_SPEED); in pkt_release_dev()
2248 blkdev_put(pd->bdev, FMODE_READ | FMODE_EXCL); in pkt_release_dev()
2250 pkt_shrink_pktlist(pd); in pkt_release_dev()
2264 struct pktcdvd_device *pd = NULL; in pkt_open() local
2269 pd = pkt_find_dev_from_minor(MINOR(bdev->bd_dev)); in pkt_open()
2270 if (!pd) { in pkt_open()
2274 BUG_ON(pd->refcnt < 0); in pkt_open()
2276 pd->refcnt++; in pkt_open()
2277 if (pd->refcnt > 1) { in pkt_open()
2279 !test_bit(PACKET_WRITABLE, &pd->flags)) { in pkt_open()
2284 ret = pkt_open_dev(pd, mode & FMODE_WRITE); in pkt_open()
2299 pd->refcnt--; in pkt_open()
2308 struct pktcdvd_device *pd = disk->private_data; in pkt_close() local
2312 pd->refcnt--; in pkt_close()
2313 BUG_ON(pd->refcnt < 0); in pkt_close()
2314 if (pd->refcnt == 0) { in pkt_close()
2315 int flush = test_bit(PACKET_WRITABLE, &pd->flags); in pkt_close()
2316 pkt_release_dev(pd, flush); in pkt_close()
2326 struct pktcdvd_device *pd = psd->pd; in pkt_end_io_read_cloned() local
2332 pkt_bio_finished(pd); in pkt_end_io_read_cloned()
2335 static void pkt_make_request_read(struct pktcdvd_device *pd, struct bio *bio) in pkt_make_request_read() argument
2340 psd->pd = pd; in pkt_make_request_read()
2342 bio_set_dev(cloned_bio, pd->bdev); in pkt_make_request_read()
2345 pd->stats.secs_r += bio_sectors(bio); in pkt_make_request_read()
2346 pkt_queue_bio(pd, cloned_bio); in pkt_make_request_read()
2351 struct pktcdvd_device *pd = q->queuedata; in pkt_make_request_write() local
2357 zone = get_zone(bio->bi_iter.bi_sector, pd); in pkt_make_request_write()
2363 spin_lock(&pd->cdrw.active_list_lock); in pkt_make_request_write()
2365 list_for_each_entry(pkt, &pd->cdrw.pkt_active_list, list) { in pkt_make_request_write()
2376 wake_up(&pd->wqueue); in pkt_make_request_write()
2379 spin_unlock(&pd->cdrw.active_list_lock); in pkt_make_request_write()
2387 spin_unlock(&pd->cdrw.active_list_lock); in pkt_make_request_write()
2394 spin_lock(&pd->lock); in pkt_make_request_write()
2395 if (pd->write_congestion_on > 0 in pkt_make_request_write()
2396 && pd->bio_queue_size >= pd->write_congestion_on) { in pkt_make_request_write()
2399 spin_unlock(&pd->lock); in pkt_make_request_write()
2401 spin_lock(&pd->lock); in pkt_make_request_write()
2402 } while(pd->bio_queue_size > pd->write_congestion_off); in pkt_make_request_write()
2404 spin_unlock(&pd->lock); in pkt_make_request_write()
2409 node = mempool_alloc(&pd->rb_pool, GFP_NOIO); in pkt_make_request_write()
2411 spin_lock(&pd->lock); in pkt_make_request_write()
2412 BUG_ON(pd->bio_queue_size < 0); in pkt_make_request_write()
2413 was_empty = (pd->bio_queue_size == 0); in pkt_make_request_write()
2414 pkt_rbtree_insert(pd, node); in pkt_make_request_write()
2415 spin_unlock(&pd->lock); in pkt_make_request_write()
2420 atomic_set(&pd->scan_queue, 1); in pkt_make_request_write()
2423 wake_up(&pd->wqueue); in pkt_make_request_write()
2424 } else if (!list_empty(&pd->cdrw.pkt_free_list) && !blocked_bio) { in pkt_make_request_write()
2429 wake_up(&pd->wqueue); in pkt_make_request_write()
2435 struct pktcdvd_device *pd; in pkt_make_request() local
2441 pd = q->queuedata; in pkt_make_request()
2442 if (!pd) { in pkt_make_request()
2447 pkt_dbg(2, pd, "start = %6llx stop = %6llx\n", in pkt_make_request()
2455 pkt_make_request_read(pd, bio); in pkt_make_request()
2459 if (!test_bit(PACKET_WRITABLE, &pd->flags)) { in pkt_make_request()
2460 pkt_notice(pd, "WRITE for ro device (%llu)\n", in pkt_make_request()
2466 pkt_err(pd, "wrong bio size\n"); in pkt_make_request()
2471 sector_t zone = get_zone(bio->bi_iter.bi_sector, pd); in pkt_make_request()
2472 sector_t last_zone = get_zone(bio_end_sector(bio) - 1, pd); in pkt_make_request()
2475 BUG_ON(last_zone != zone + pd->settings.size); in pkt_make_request()
2494 static void pkt_init_queue(struct pktcdvd_device *pd) in pkt_init_queue() argument
2496 struct request_queue *q = pd->disk->queue; in pkt_init_queue()
2501 q->queuedata = pd; in pkt_init_queue()
2506 struct pktcdvd_device *pd = m->private; in pkt_seq_show() local
2511 seq_printf(m, "Writer %s mapped to %s:\n", pd->name, in pkt_seq_show()
2512 bdevname(pd->bdev, bdev_buf)); in pkt_seq_show()
2515 seq_printf(m, "\tpacket size:\t\t%dkB\n", pd->settings.size / 2); in pkt_seq_show()
2517 if (pd->settings.write_type == 0) in pkt_seq_show()
2523 seq_printf(m, "\tpacket type:\t\t%s\n", pd->settings.fp ? "Fixed" : "Variable"); in pkt_seq_show()
2524 seq_printf(m, "\tlink loss:\t\t%d\n", pd->settings.link_loss); in pkt_seq_show()
2526 seq_printf(m, "\ttrack mode:\t\t%d\n", pd->settings.track_mode); in pkt_seq_show()
2528 if (pd->settings.block_mode == PACKET_BLOCK_MODE1) in pkt_seq_show()
2530 else if (pd->settings.block_mode == PACKET_BLOCK_MODE2) in pkt_seq_show()
2537 seq_printf(m, "\tpackets started:\t%lu\n", pd->stats.pkt_started); in pkt_seq_show()
2538 seq_printf(m, "\tpackets ended:\t\t%lu\n", pd->stats.pkt_ended); in pkt_seq_show()
2539 seq_printf(m, "\twritten:\t\t%lukB\n", pd->stats.secs_w >> 1); in pkt_seq_show()
2540 seq_printf(m, "\tread gather:\t\t%lukB\n", pd->stats.secs_rg >> 1); in pkt_seq_show()
2541 seq_printf(m, "\tread:\t\t\t%lukB\n", pd->stats.secs_r >> 1); in pkt_seq_show()
2544 seq_printf(m, "\treference count:\t%d\n", pd->refcnt); in pkt_seq_show()
2545 seq_printf(m, "\tflags:\t\t\t0x%lx\n", pd->flags); in pkt_seq_show()
2546 seq_printf(m, "\tread speed:\t\t%ukB/s\n", pd->read_speed); in pkt_seq_show()
2547 seq_printf(m, "\twrite speed:\t\t%ukB/s\n", pd->write_speed); in pkt_seq_show()
2548 seq_printf(m, "\tstart offset:\t\t%lu\n", pd->offset); in pkt_seq_show()
2549 seq_printf(m, "\tmode page offset:\t%u\n", pd->mode_offset); in pkt_seq_show()
2552 seq_printf(m, "\tbios queued:\t\t%d\n", pd->bio_queue_size); in pkt_seq_show()
2553 seq_printf(m, "\tbios pending:\t\t%d\n", atomic_read(&pd->cdrw.pending_bios)); in pkt_seq_show()
2554 seq_printf(m, "\tcurrent sector:\t\t0x%llx\n", (unsigned long long)pd->current_sector); in pkt_seq_show()
2556 pkt_count_states(pd, states); in pkt_seq_show()
2561 pd->write_congestion_off, in pkt_seq_show()
2562 pd->write_congestion_on); in pkt_seq_show()
2566 static int pkt_new_dev(struct pktcdvd_device *pd, dev_t dev) in pkt_new_dev() argument
2573 if (pd->pkt_dev == dev) { in pkt_new_dev()
2574 pkt_err(pd, "recursive setup not allowed\n"); in pkt_new_dev()
2582 pkt_err(pd, "%s already setup\n", in pkt_new_dev()
2587 pkt_err(pd, "can't chain pktcdvd devices\n"); in pkt_new_dev()
2607 pd->bdev = bdev; in pkt_new_dev()
2610 pkt_init_queue(pd); in pkt_new_dev()
2612 atomic_set(&pd->cdrw.pending_bios, 0); in pkt_new_dev()
2613 pd->cdrw.thread = kthread_run(kcdrwd, pd, "%s", pd->name); in pkt_new_dev()
2614 if (IS_ERR(pd->cdrw.thread)) { in pkt_new_dev()
2615 pkt_err(pd, "can't start kernel thread\n"); in pkt_new_dev()
2620 proc_create_single_data(pd->name, 0, pkt_proc, pkt_seq_show, pd); in pkt_new_dev()
2621 pkt_dbg(1, pd, "writer mapped to %s\n", bdevname(bdev, b)); in pkt_new_dev()
2633 struct pktcdvd_device *pd = bdev->bd_disk->private_data; in pkt_ioctl() local
2636 pkt_dbg(2, pd, "cmd %x, dev %d:%d\n", in pkt_ioctl()
2646 if (pd->refcnt == 1) in pkt_ioctl()
2647 pkt_lock_door(pd, 0); in pkt_ioctl()
2657 ret = __blkdev_driver_ioctl(pd->bdev, mode, cmd, arg); in pkt_ioctl()
2661 pkt_dbg(2, pd, "Unknown ioctl (%x)\n", cmd); in pkt_ioctl()
2672 struct pktcdvd_device *pd = disk->private_data; in pkt_check_events() local
2675 if (!pd) in pkt_check_events()
2677 if (!pd->bdev) in pkt_check_events()
2679 attached_disk = pd->bdev->bd_disk; in pkt_check_events()
2705 struct pktcdvd_device *pd; in pkt_setup_dev() local
2719 pd = kzalloc(sizeof(struct pktcdvd_device), GFP_KERNEL); in pkt_setup_dev()
2720 if (!pd) in pkt_setup_dev()
2723 ret = mempool_init_kmalloc_pool(&pd->rb_pool, PKT_RB_POOL_SIZE, in pkt_setup_dev()
2728 INIT_LIST_HEAD(&pd->cdrw.pkt_free_list); in pkt_setup_dev()
2729 INIT_LIST_HEAD(&pd->cdrw.pkt_active_list); in pkt_setup_dev()
2730 spin_lock_init(&pd->cdrw.active_list_lock); in pkt_setup_dev()
2732 spin_lock_init(&pd->lock); in pkt_setup_dev()
2733 spin_lock_init(&pd->iosched.lock); in pkt_setup_dev()
2734 bio_list_init(&pd->iosched.read_queue); in pkt_setup_dev()
2735 bio_list_init(&pd->iosched.write_queue); in pkt_setup_dev()
2736 sprintf(pd->name, DRIVER_NAME"%d", idx); in pkt_setup_dev()
2737 init_waitqueue_head(&pd->wqueue); in pkt_setup_dev()
2738 pd->bio_queue = RB_ROOT; in pkt_setup_dev()
2740 pd->write_congestion_on = write_congestion_on; in pkt_setup_dev()
2741 pd->write_congestion_off = write_congestion_off; in pkt_setup_dev()
2747 pd->disk = disk; in pkt_setup_dev()
2752 strcpy(disk->disk_name, pd->name); in pkt_setup_dev()
2754 disk->private_data = pd; in pkt_setup_dev()
2759 pd->pkt_dev = MKDEV(pktdev_major, idx); in pkt_setup_dev()
2760 ret = pkt_new_dev(pd, dev); in pkt_setup_dev()
2765 disk->events = pd->bdev->bd_disk->events; in pkt_setup_dev()
2766 disk->async_events = pd->bdev->bd_disk->async_events; in pkt_setup_dev()
2770 pkt_sysfs_dev_new(pd); in pkt_setup_dev()
2771 pkt_debugfs_dev_new(pd); in pkt_setup_dev()
2773 pkt_devs[idx] = pd; in pkt_setup_dev()
2775 *pkt_dev = pd->pkt_dev; in pkt_setup_dev()
2783 mempool_exit(&pd->rb_pool); in pkt_setup_dev()
2784 kfree(pd); in pkt_setup_dev()
2796 struct pktcdvd_device *pd; in pkt_remove_dev() local
2803 pd = pkt_devs[idx]; in pkt_remove_dev()
2804 if (pd && (pd->pkt_dev == pkt_dev)) in pkt_remove_dev()
2813 if (pd->refcnt > 0) { in pkt_remove_dev()
2817 if (!IS_ERR(pd->cdrw.thread)) in pkt_remove_dev()
2818 kthread_stop(pd->cdrw.thread); in pkt_remove_dev()
2822 pkt_debugfs_dev_remove(pd); in pkt_remove_dev()
2823 pkt_sysfs_dev_remove(pd); in pkt_remove_dev()
2825 blkdev_put(pd->bdev, FMODE_READ | FMODE_NDELAY); in pkt_remove_dev()
2827 remove_proc_entry(pd->name, pkt_proc); in pkt_remove_dev()
2828 pkt_dbg(1, pd, "writer unmapped\n"); in pkt_remove_dev()
2830 del_gendisk(pd->disk); in pkt_remove_dev()
2831 blk_cleanup_queue(pd->disk->queue); in pkt_remove_dev()
2832 put_disk(pd->disk); in pkt_remove_dev()
2834 mempool_exit(&pd->rb_pool); in pkt_remove_dev()
2835 kfree(pd); in pkt_remove_dev()
2847 struct pktcdvd_device *pd; in pkt_get_status() local
2851 pd = pkt_find_dev_from_minor(ctrl_cmd->dev_index); in pkt_get_status()
2852 if (pd) { in pkt_get_status()
2853 ctrl_cmd->dev = new_encode_dev(pd->bdev->bd_dev); in pkt_get_status()
2854 ctrl_cmd->pkt_dev = new_encode_dev(pd->pkt_dev); in pkt_get_status()