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()
135 struct pktcdvd_device *pd = dev_get_drvdata(dev); in packets_started_show() local
137 return sysfs_emit(buf, "%lu\n", pd->stats.pkt_started); in packets_started_show()
144 struct pktcdvd_device *pd = dev_get_drvdata(dev); in packets_finished_show() local
146 return sysfs_emit(buf, "%lu\n", pd->stats.pkt_ended); in packets_finished_show()
153 struct pktcdvd_device *pd = dev_get_drvdata(dev); in kb_written_show() local
155 return sysfs_emit(buf, "%lu\n", pd->stats.secs_w >> 1); in kb_written_show()
162 struct pktcdvd_device *pd = dev_get_drvdata(dev); in kb_read_show() local
164 return sysfs_emit(buf, "%lu\n", pd->stats.secs_r >> 1); in kb_read_show()
171 struct pktcdvd_device *pd = dev_get_drvdata(dev); in kb_read_gather_show() local
173 return sysfs_emit(buf, "%lu\n", pd->stats.secs_rg >> 1); in kb_read_gather_show()
180 struct pktcdvd_device *pd = dev_get_drvdata(dev); in reset_store() local
183 pd->stats.pkt_started = 0; in reset_store()
184 pd->stats.pkt_ended = 0; in reset_store()
185 pd->stats.secs_w = 0; in reset_store()
186 pd->stats.secs_rg = 0; in reset_store()
187 pd->stats.secs_r = 0; in reset_store()
211 struct pktcdvd_device *pd = dev_get_drvdata(dev); in size_show() local
214 spin_lock(&pd->lock); in size_show()
215 n = sysfs_emit(buf, "%d\n", pd->bio_queue_size); in size_show()
216 spin_unlock(&pd->lock); in size_show()
241 struct pktcdvd_device *pd = dev_get_drvdata(dev); in congestion_off_show() local
244 spin_lock(&pd->lock); in congestion_off_show()
245 n = sysfs_emit(buf, "%d\n", pd->write_congestion_off); in congestion_off_show()
246 spin_unlock(&pd->lock); in congestion_off_show()
254 struct pktcdvd_device *pd = dev_get_drvdata(dev); in congestion_off_store() local
258 spin_lock(&pd->lock); in congestion_off_store()
259 pd->write_congestion_off = val; in congestion_off_store()
260 init_write_congestion_marks(&pd->write_congestion_off, in congestion_off_store()
261 &pd->write_congestion_on); in congestion_off_store()
262 spin_unlock(&pd->lock); in congestion_off_store()
271 struct pktcdvd_device *pd = dev_get_drvdata(dev); in congestion_on_show() local
274 spin_lock(&pd->lock); in congestion_on_show()
275 n = sysfs_emit(buf, "%d\n", pd->write_congestion_on); in congestion_on_show()
276 spin_unlock(&pd->lock); in congestion_on_show()
284 struct pktcdvd_device *pd = dev_get_drvdata(dev); in congestion_on_store() local
288 spin_lock(&pd->lock); in congestion_on_store()
289 pd->write_congestion_on = val; in congestion_on_store()
290 init_write_congestion_marks(&pd->write_congestion_off, in congestion_on_store()
291 &pd->write_congestion_on); in congestion_on_store()
292 spin_unlock(&pd->lock); in congestion_on_store()
316 static void pkt_sysfs_dev_new(struct pktcdvd_device *pd) in pkt_sysfs_dev_new() argument
319 pd->dev = device_create_with_groups(class_pktcdvd, NULL, in pkt_sysfs_dev_new()
320 MKDEV(0, 0), pd, pkt_groups, in pkt_sysfs_dev_new()
321 "%s", pd->name); in pkt_sysfs_dev_new()
322 if (IS_ERR(pd->dev)) in pkt_sysfs_dev_new()
323 pd->dev = NULL; in pkt_sysfs_dev_new()
327 static void pkt_sysfs_dev_remove(struct pktcdvd_device *pd) in pkt_sysfs_dev_remove() argument
330 device_unregister(pd->dev); in pkt_sysfs_dev_remove()
353 struct pktcdvd_device *pd = pkt_devs[idx]; in device_map_show() local
354 if (!pd) in device_map_show()
357 pd->name, in device_map_show()
358 MAJOR(pd->pkt_dev), MINOR(pd->pkt_dev), in device_map_show()
359 MAJOR(pd->bdev->bd_dev), in device_map_show()
360 MINOR(pd->bdev->bd_dev)); in device_map_show()
466 static void pkt_debugfs_dev_new(struct pktcdvd_device *pd) in pkt_debugfs_dev_new() argument
470 pd->dfs_d_root = debugfs_create_dir(pd->name, pkt_debugfs_root); in pkt_debugfs_dev_new()
471 if (!pd->dfs_d_root) in pkt_debugfs_dev_new()
474 pd->dfs_f_info = debugfs_create_file("info", 0444, in pkt_debugfs_dev_new()
475 pd->dfs_d_root, pd, &debug_fops); in pkt_debugfs_dev_new()
478 static void pkt_debugfs_dev_remove(struct pktcdvd_device *pd) in pkt_debugfs_dev_remove() argument
482 debugfs_remove(pd->dfs_f_info); in pkt_debugfs_dev_remove()
483 debugfs_remove(pd->dfs_d_root); in pkt_debugfs_dev_remove()
484 pd->dfs_f_info = NULL; in pkt_debugfs_dev_remove()
485 pd->dfs_d_root = NULL; in pkt_debugfs_dev_remove()
502 static void pkt_bio_finished(struct pktcdvd_device *pd) in pkt_bio_finished() argument
504 BUG_ON(atomic_read(&pd->cdrw.pending_bios) <= 0); in pkt_bio_finished()
505 if (atomic_dec_and_test(&pd->cdrw.pending_bios)) { in pkt_bio_finished()
506 pkt_dbg(2, pd, "queue empty\n"); in pkt_bio_finished()
507 atomic_set(&pd->iosched.attention, 1); in pkt_bio_finished()
508 wake_up(&pd->wqueue); in pkt_bio_finished()
575 static void pkt_shrink_pktlist(struct pktcdvd_device *pd) in pkt_shrink_pktlist() argument
579 BUG_ON(!list_empty(&pd->cdrw.pkt_active_list)); in pkt_shrink_pktlist()
581 list_for_each_entry_safe(pkt, next, &pd->cdrw.pkt_free_list, list) { in pkt_shrink_pktlist()
584 INIT_LIST_HEAD(&pd->cdrw.pkt_free_list); in pkt_shrink_pktlist()
587 static int pkt_grow_pktlist(struct pktcdvd_device *pd, int nr_packets) in pkt_grow_pktlist() argument
591 BUG_ON(!list_empty(&pd->cdrw.pkt_free_list)); in pkt_grow_pktlist()
594 pkt = pkt_alloc_packet_data(pd->settings.size >> 2); in pkt_grow_pktlist()
596 pkt_shrink_pktlist(pd); in pkt_grow_pktlist()
600 pkt->pd = pd; in pkt_grow_pktlist()
601 list_add(&pkt->list, &pd->cdrw.pkt_free_list); in pkt_grow_pktlist()
615 static void pkt_rbtree_erase(struct pktcdvd_device *pd, struct pkt_rb_node *node) in pkt_rbtree_erase() argument
617 rb_erase(&node->rb_node, &pd->bio_queue); in pkt_rbtree_erase()
618 mempool_free(node, &pd->rb_pool); in pkt_rbtree_erase()
619 pd->bio_queue_size--; in pkt_rbtree_erase()
620 BUG_ON(pd->bio_queue_size < 0); in pkt_rbtree_erase()
626 static struct pkt_rb_node *pkt_rbtree_find(struct pktcdvd_device *pd, sector_t s) in pkt_rbtree_find() argument
628 struct rb_node *n = pd->bio_queue.rb_node; in pkt_rbtree_find()
633 BUG_ON(pd->bio_queue_size > 0); in pkt_rbtree_find()
660 static void pkt_rbtree_insert(struct pktcdvd_device *pd, struct pkt_rb_node *node) in pkt_rbtree_insert() argument
662 struct rb_node **p = &pd->bio_queue.rb_node; in pkt_rbtree_insert()
676 rb_insert_color(&node->rb_node, &pd->bio_queue); in pkt_rbtree_insert()
677 pd->bio_queue_size++; in pkt_rbtree_insert()
684 static int pkt_generic_packet(struct pktcdvd_device *pd, struct packet_command *cgc) in pkt_generic_packet() argument
686 struct request_queue *q = bdev_get_queue(pd->bdev); in pkt_generic_packet()
734 static void pkt_dump_sense(struct pktcdvd_device *pd, in pkt_dump_sense() argument
740 pkt_err(pd, "%*ph - sense %02x.%02x.%02x (%s)\n", in pkt_dump_sense()
745 pkt_err(pd, "%*ph - no sense\n", CDROM_PACKET_SIZE, cgc->cmd); in pkt_dump_sense()
751 static int pkt_flush_cache(struct pktcdvd_device *pd) in pkt_flush_cache() argument
766 return pkt_generic_packet(pd, &cgc); in pkt_flush_cache()
772 static noinline_for_stack int pkt_set_speed(struct pktcdvd_device *pd, in pkt_set_speed() argument
787 ret = pkt_generic_packet(pd, &cgc); in pkt_set_speed()
789 pkt_dump_sense(pd, &cgc); in pkt_set_speed()
798 static void pkt_queue_bio(struct pktcdvd_device *pd, struct bio *bio) in pkt_queue_bio() argument
800 spin_lock(&pd->iosched.lock); in pkt_queue_bio()
802 bio_list_add(&pd->iosched.read_queue, bio); in pkt_queue_bio()
804 bio_list_add(&pd->iosched.write_queue, bio); in pkt_queue_bio()
805 spin_unlock(&pd->iosched.lock); in pkt_queue_bio()
807 atomic_set(&pd->iosched.attention, 1); in pkt_queue_bio()
808 wake_up(&pd->wqueue); in pkt_queue_bio()
827 static void pkt_iosched_process_queue(struct pktcdvd_device *pd) in pkt_iosched_process_queue() argument
830 if (atomic_read(&pd->iosched.attention) == 0) in pkt_iosched_process_queue()
832 atomic_set(&pd->iosched.attention, 0); in pkt_iosched_process_queue()
838 spin_lock(&pd->iosched.lock); in pkt_iosched_process_queue()
839 reads_queued = !bio_list_empty(&pd->iosched.read_queue); in pkt_iosched_process_queue()
840 writes_queued = !bio_list_empty(&pd->iosched.write_queue); in pkt_iosched_process_queue()
841 spin_unlock(&pd->iosched.lock); in pkt_iosched_process_queue()
846 if (pd->iosched.writing) { in pkt_iosched_process_queue()
848 spin_lock(&pd->iosched.lock); in pkt_iosched_process_queue()
849 bio = bio_list_peek(&pd->iosched.write_queue); in pkt_iosched_process_queue()
850 spin_unlock(&pd->iosched.lock); in pkt_iosched_process_queue()
852 pd->iosched.last_write)) in pkt_iosched_process_queue()
855 if (atomic_read(&pd->cdrw.pending_bios) > 0) { in pkt_iosched_process_queue()
856 pkt_dbg(2, pd, "write, waiting\n"); in pkt_iosched_process_queue()
859 pkt_flush_cache(pd); in pkt_iosched_process_queue()
860 pd->iosched.writing = 0; in pkt_iosched_process_queue()
864 if (atomic_read(&pd->cdrw.pending_bios) > 0) { in pkt_iosched_process_queue()
865 pkt_dbg(2, pd, "read, waiting\n"); in pkt_iosched_process_queue()
868 pd->iosched.writing = 1; in pkt_iosched_process_queue()
872 spin_lock(&pd->iosched.lock); in pkt_iosched_process_queue()
873 if (pd->iosched.writing) in pkt_iosched_process_queue()
874 bio = bio_list_pop(&pd->iosched.write_queue); in pkt_iosched_process_queue()
876 bio = bio_list_pop(&pd->iosched.read_queue); in pkt_iosched_process_queue()
877 spin_unlock(&pd->iosched.lock); in pkt_iosched_process_queue()
883 pd->iosched.successive_reads += in pkt_iosched_process_queue()
886 pd->iosched.successive_reads = 0; in pkt_iosched_process_queue()
887 pd->iosched.last_write = bio_end_sector(bio); in pkt_iosched_process_queue()
889 if (pd->iosched.successive_reads >= HI_SPEED_SWITCH) { in pkt_iosched_process_queue()
890 if (pd->read_speed == pd->write_speed) { in pkt_iosched_process_queue()
891 pd->read_speed = MAX_SPEED; in pkt_iosched_process_queue()
892 pkt_set_speed(pd, pd->write_speed, pd->read_speed); in pkt_iosched_process_queue()
895 if (pd->read_speed != pd->write_speed) { in pkt_iosched_process_queue()
896 pd->read_speed = pd->write_speed; in pkt_iosched_process_queue()
897 pkt_set_speed(pd, pd->write_speed, pd->read_speed); in pkt_iosched_process_queue()
901 atomic_inc(&pd->cdrw.pending_bios); in pkt_iosched_process_queue()
910 static int pkt_set_segment_merging(struct pktcdvd_device *pd, struct request_queue *q) in pkt_set_segment_merging() argument
912 if ((pd->settings.size << 9) / CD_FRAMESIZE in pkt_set_segment_merging()
917 clear_bit(PACKET_MERGE_SEGS, &pd->flags); in pkt_set_segment_merging()
919 } else if ((pd->settings.size << 9) / PAGE_SIZE in pkt_set_segment_merging()
925 set_bit(PACKET_MERGE_SEGS, &pd->flags); in pkt_set_segment_merging()
928 pkt_err(pd, "cdrom max_phys_segments too small\n"); in pkt_set_segment_merging()
936 struct pktcdvd_device *pd = pkt->pd; in pkt_end_io_read() local
937 BUG_ON(!pd); in pkt_end_io_read()
939 pkt_dbg(2, pd, "bio=%p sec0=%llx sec=%llx err=%d\n", in pkt_end_io_read()
948 wake_up(&pd->wqueue); in pkt_end_io_read()
950 pkt_bio_finished(pd); in pkt_end_io_read()
956 struct pktcdvd_device *pd = pkt->pd; in pkt_end_io_packet_write() local
957 BUG_ON(!pd); in pkt_end_io_packet_write()
959 pkt_dbg(2, pd, "id=%d, err=%d\n", pkt->id, bio->bi_status); in pkt_end_io_packet_write()
961 pd->stats.pkt_ended++; in pkt_end_io_packet_write()
964 pkt_bio_finished(pd); in pkt_end_io_packet_write()
967 wake_up(&pd->wqueue); in pkt_end_io_packet_write()
973 static void pkt_gather_data(struct pktcdvd_device *pd, struct packet_data *pkt) in pkt_gather_data() argument
994 pd->stats.secs_w += num_frames * (CD_FRAMESIZE >> 9); in pkt_gather_data()
1003 pkt_dbg(2, pd, "zone %llx cached\n", in pkt_gather_data()
1018 bio_init(bio, pd->bdev, bio->bi_inline_vecs, 1, REQ_OP_READ); in pkt_gather_data()
1025 pkt_dbg(2, pd, "Adding frame %d, page:%p offs:%d\n", in pkt_gather_data()
1031 pkt_queue_bio(pd, bio); in pkt_gather_data()
1036 pkt_dbg(2, pd, "need %d frames for zone %llx\n", in pkt_gather_data()
1038 pd->stats.pkt_started++; in pkt_gather_data()
1039 pd->stats.secs_rg += frames_read * (CD_FRAMESIZE >> 9); in pkt_gather_data()
1046 static struct packet_data *pkt_get_packet_data(struct pktcdvd_device *pd, int zone) in pkt_get_packet_data() argument
1050 list_for_each_entry(pkt, &pd->cdrw.pkt_free_list, list) { in pkt_get_packet_data()
1051 if (pkt->sector == zone || pkt->list.next == &pd->cdrw.pkt_free_list) { in pkt_get_packet_data()
1062 static void pkt_put_packet_data(struct pktcdvd_device *pd, struct packet_data *pkt) in pkt_put_packet_data() argument
1065 list_add(&pkt->list, &pd->cdrw.pkt_free_list); in pkt_put_packet_data()
1067 list_add_tail(&pkt->list, &pd->cdrw.pkt_free_list); in pkt_put_packet_data()
1078 pkt_dbg(2, pd, "pkt %2d : s=%6llx %s -> %s\n", in pkt_set_state()
1089 static int pkt_handle_queue(struct pktcdvd_device *pd) in pkt_handle_queue() argument
1097 atomic_set(&pd->scan_queue, 0); in pkt_handle_queue()
1099 if (list_empty(&pd->cdrw.pkt_free_list)) { in pkt_handle_queue()
1100 pkt_dbg(2, pd, "no pkt\n"); in pkt_handle_queue()
1107 spin_lock(&pd->lock); in pkt_handle_queue()
1108 first_node = pkt_rbtree_find(pd, pd->current_sector); in pkt_handle_queue()
1110 n = rb_first(&pd->bio_queue); in pkt_handle_queue()
1117 zone = get_zone(bio->bi_iter.bi_sector, pd); in pkt_handle_queue()
1118 list_for_each_entry(p, &pd->cdrw.pkt_active_list, list) { in pkt_handle_queue()
1128 n = rb_first(&pd->bio_queue); in pkt_handle_queue()
1135 spin_unlock(&pd->lock); in pkt_handle_queue()
1137 pkt_dbg(2, pd, "no bio\n"); in pkt_handle_queue()
1141 pkt = pkt_get_packet_data(pd, zone); in pkt_handle_queue()
1143 pd->current_sector = zone + pd->settings.size; in pkt_handle_queue()
1145 BUG_ON(pkt->frames != pd->settings.size >> 2); in pkt_handle_queue()
1152 spin_lock(&pd->lock); in pkt_handle_queue()
1153 pkt_dbg(2, pd, "looking for zone %llx\n", (unsigned long long)zone); in pkt_handle_queue()
1154 while ((node = pkt_rbtree_find(pd, zone)) != NULL) { in pkt_handle_queue()
1156 pkt_dbg(2, pd, "found zone=%llx\n", (unsigned long long) in pkt_handle_queue()
1157 get_zone(bio->bi_iter.bi_sector, pd)); in pkt_handle_queue()
1158 if (get_zone(bio->bi_iter.bi_sector, pd) != zone) in pkt_handle_queue()
1160 pkt_rbtree_erase(pd, node); in pkt_handle_queue()
1169 if (pd->congested && in pkt_handle_queue()
1170 pd->bio_queue_size <= pd->write_congestion_off) { in pkt_handle_queue()
1171 pd->congested = false; in pkt_handle_queue()
1172 wake_up_var(&pd->congested); in pkt_handle_queue()
1174 spin_unlock(&pd->lock); in pkt_handle_queue()
1180 spin_lock(&pd->cdrw.active_list_lock); in pkt_handle_queue()
1181 list_add(&pkt->list, &pd->cdrw.pkt_active_list); in pkt_handle_queue()
1182 spin_unlock(&pd->cdrw.active_list_lock); in pkt_handle_queue()
1227 static void pkt_start_write(struct pktcdvd_device *pd, struct packet_data *pkt) in pkt_start_write() argument
1231 bio_init(pkt->w_bio, pd->bdev, pkt->w_bio->bi_inline_vecs, pkt->frames, in pkt_start_write()
1245 pkt_dbg(2, pd, "vcnt=%d\n", pkt->w_bio->bi_vcnt); in pkt_start_write()
1256 pkt_dbg(2, pd, "Writing %d frames for zone %llx\n", in pkt_start_write()
1259 if (test_bit(PACKET_MERGE_SEGS, &pd->flags) || (pkt->write_size < pkt->frames)) in pkt_start_write()
1266 pkt_queue_bio(pd, pkt->w_bio); in pkt_start_write()
1283 static void pkt_run_state_machine(struct pktcdvd_device *pd, struct packet_data *pkt) in pkt_run_state_machine() argument
1285 pkt_dbg(2, pd, "pkt %d\n", pkt->id); in pkt_run_state_machine()
1294 pkt_gather_data(pd, pkt); in pkt_run_state_machine()
1305 pkt_start_write(pd, pkt); in pkt_run_state_machine()
1321 pkt_dbg(2, pd, "No recovery possible\n"); in pkt_run_state_machine()
1336 static void pkt_handle_packets(struct pktcdvd_device *pd) in pkt_handle_packets() argument
1343 list_for_each_entry(pkt, &pd->cdrw.pkt_active_list, list) { in pkt_handle_packets()
1346 pkt_run_state_machine(pd, pkt); in pkt_handle_packets()
1353 spin_lock(&pd->cdrw.active_list_lock); in pkt_handle_packets()
1354 list_for_each_entry_safe(pkt, next, &pd->cdrw.pkt_active_list, list) { in pkt_handle_packets()
1357 pkt_put_packet_data(pd, pkt); in pkt_handle_packets()
1359 atomic_set(&pd->scan_queue, 1); in pkt_handle_packets()
1362 spin_unlock(&pd->cdrw.active_list_lock); in pkt_handle_packets()
1365 static void pkt_count_states(struct pktcdvd_device *pd, int *states) in pkt_count_states() argument
1373 spin_lock(&pd->cdrw.active_list_lock); in pkt_count_states()
1374 list_for_each_entry(pkt, &pd->cdrw.pkt_active_list, list) { in pkt_count_states()
1377 spin_unlock(&pd->cdrw.active_list_lock); in pkt_count_states()
1386 struct pktcdvd_device *pd = foobar; in kcdrwd() local
1399 add_wait_queue(&pd->wqueue, &wait); in kcdrwd()
1404 if (atomic_read(&pd->scan_queue) > 0) in kcdrwd()
1408 list_for_each_entry(pkt, &pd->cdrw.pkt_active_list, list) { in kcdrwd()
1414 if (atomic_read(&pd->iosched.attention) != 0) in kcdrwd()
1420 pkt_count_states(pd, states); in kcdrwd()
1421 pkt_dbg(2, pd, "i:%d ow:%d rw:%d ww:%d rec:%d fin:%d\n", in kcdrwd()
1427 list_for_each_entry(pkt, &pd->cdrw.pkt_active_list, list) { in kcdrwd()
1432 pkt_dbg(2, pd, "sleeping\n"); in kcdrwd()
1434 pkt_dbg(2, pd, "wake up\n"); in kcdrwd()
1439 list_for_each_entry(pkt, &pd->cdrw.pkt_active_list, list) { in kcdrwd()
1454 remove_wait_queue(&pd->wqueue, &wait); in kcdrwd()
1463 while (pkt_handle_queue(pd)) in kcdrwd()
1469 pkt_handle_packets(pd); in kcdrwd()
1474 pkt_iosched_process_queue(pd); in kcdrwd()
1480 static void pkt_print_settings(struct pktcdvd_device *pd) in pkt_print_settings() argument
1482 pkt_info(pd, "%s packets, %u blocks, Mode-%c disc\n", in pkt_print_settings()
1483 pd->settings.fp ? "Fixed" : "Variable", in pkt_print_settings()
1484 pd->settings.size >> 2, in pkt_print_settings()
1485 pd->settings.block_mode == 8 ? '1' : '2'); in pkt_print_settings()
1488 static int pkt_mode_sense(struct pktcdvd_device *pd, struct packet_command *cgc, int page_code, int… in pkt_mode_sense() argument
1497 return pkt_generic_packet(pd, cgc); in pkt_mode_sense()
1500 static int pkt_mode_select(struct pktcdvd_device *pd, struct packet_command *cgc) in pkt_mode_select() argument
1509 return pkt_generic_packet(pd, cgc); in pkt_mode_select()
1512 static int pkt_get_disc_info(struct pktcdvd_device *pd, disc_information *di) in pkt_get_disc_info() argument
1523 ret = pkt_generic_packet(pd, &cgc); in pkt_get_disc_info()
1537 return pkt_generic_packet(pd, &cgc); in pkt_get_disc_info()
1540 static int pkt_get_track_info(struct pktcdvd_device *pd, __u16 track, __u8 type, track_information … in pkt_get_track_info() argument
1553 ret = pkt_generic_packet(pd, &cgc); in pkt_get_track_info()
1564 return pkt_generic_packet(pd, &cgc); in pkt_get_track_info()
1567 static noinline_for_stack int pkt_get_last_written(struct pktcdvd_device *pd, in pkt_get_last_written() argument
1575 ret = pkt_get_disc_info(pd, &di); in pkt_get_last_written()
1580 ret = pkt_get_track_info(pd, last_track, 1, &ti); in pkt_get_last_written()
1587 ret = pkt_get_track_info(pd, last_track, 1, &ti); in pkt_get_last_written()
1608 static noinline_for_stack int pkt_set_write_settings(struct pktcdvd_device *pd) in pkt_set_write_settings() argument
1617 if ((pd->mmc3_profile == 0x1a) || (pd->mmc3_profile == 0x12)) in pkt_set_write_settings()
1623 ret = pkt_mode_sense(pd, &cgc, GPMODE_WRITE_PARMS_PAGE, 0); in pkt_set_write_settings()
1625 pkt_dump_sense(pd, &cgc); in pkt_set_write_settings()
1630 pd->mode_offset = (buffer[6] << 8) | (buffer[7] & 0xff); in pkt_set_write_settings()
1639 ret = pkt_mode_sense(pd, &cgc, GPMODE_WRITE_PARMS_PAGE, 0); in pkt_set_write_settings()
1641 pkt_dump_sense(pd, &cgc); in pkt_set_write_settings()
1648 wp = (write_param_page *) &buffer[sizeof(struct mode_page_header) + pd->mode_offset]; in pkt_set_write_settings()
1650 wp->fp = pd->settings.fp; in pkt_set_write_settings()
1651 wp->track_mode = pd->settings.track_mode; in pkt_set_write_settings()
1652 wp->write_type = pd->settings.write_type; in pkt_set_write_settings()
1653 wp->data_block_type = pd->settings.block_mode; in pkt_set_write_settings()
1676 pkt_err(pd, "write mode wrong %d\n", wp->data_block_type); in pkt_set_write_settings()
1679 wp->packet_size = cpu_to_be32(pd->settings.size >> 2); in pkt_set_write_settings()
1682 ret = pkt_mode_select(pd, &cgc); in pkt_set_write_settings()
1684 pkt_dump_sense(pd, &cgc); in pkt_set_write_settings()
1688 pkt_print_settings(pd); in pkt_set_write_settings()
1695 static int pkt_writable_track(struct pktcdvd_device *pd, track_information *ti) in pkt_writable_track() argument
1697 switch (pd->mmc3_profile) { in pkt_writable_track()
1721 pkt_err(pd, "bad state %d-%d-%d\n", ti->rt, ti->blank, ti->packet); in pkt_writable_track()
1728 static int pkt_writable_disc(struct pktcdvd_device *pd, disc_information *di) in pkt_writable_disc() argument
1730 switch (pd->mmc3_profile) { in pkt_writable_disc()
1739 pkt_dbg(2, pd, "Wrong disc profile (%x)\n", in pkt_writable_disc()
1740 pd->mmc3_profile); in pkt_writable_disc()
1749 pkt_notice(pd, "unknown disc - no track?\n"); in pkt_writable_disc()
1754 pkt_err(pd, "wrong disc type (%x)\n", di->disc_type); in pkt_writable_disc()
1759 pkt_notice(pd, "disc not erasable\n"); in pkt_writable_disc()
1764 pkt_err(pd, "can't write to last track (reserved)\n"); in pkt_writable_disc()
1771 static noinline_for_stack int pkt_probe_settings(struct pktcdvd_device *pd) in pkt_probe_settings() argument
1782 ret = pkt_generic_packet(pd, &cgc); in pkt_probe_settings()
1783 pd->mmc3_profile = ret ? 0xffff : buf[6] << 8 | buf[7]; in pkt_probe_settings()
1788 ret = pkt_get_disc_info(pd, &di); in pkt_probe_settings()
1790 pkt_err(pd, "failed get_disc\n"); in pkt_probe_settings()
1794 if (!pkt_writable_disc(pd, &di)) in pkt_probe_settings()
1797 pd->type = di.erasable ? PACKET_CDRW : PACKET_CDR; in pkt_probe_settings()
1800 ret = pkt_get_track_info(pd, track, 1, &ti); in pkt_probe_settings()
1802 pkt_err(pd, "failed get_track\n"); in pkt_probe_settings()
1806 if (!pkt_writable_track(pd, &ti)) { in pkt_probe_settings()
1807 pkt_err(pd, "can't write to this track\n"); in pkt_probe_settings()
1815 pd->settings.size = be32_to_cpu(ti.fixed_packet_size) << 2; in pkt_probe_settings()
1816 if (pd->settings.size == 0) { in pkt_probe_settings()
1817 pkt_notice(pd, "detected zero packet size!\n"); in pkt_probe_settings()
1820 if (pd->settings.size > PACKET_MAX_SECTORS) { in pkt_probe_settings()
1821 pkt_err(pd, "packet size is too big\n"); in pkt_probe_settings()
1824 pd->settings.fp = ti.fp; in pkt_probe_settings()
1825 pd->offset = (be32_to_cpu(ti.track_start) << 2) & (pd->settings.size - 1); in pkt_probe_settings()
1828 pd->nwa = be32_to_cpu(ti.next_writable); in pkt_probe_settings()
1829 set_bit(PACKET_NWA_VALID, &pd->flags); in pkt_probe_settings()
1838 pd->lra = be32_to_cpu(ti.last_rec_address); in pkt_probe_settings()
1839 set_bit(PACKET_LRA_VALID, &pd->flags); in pkt_probe_settings()
1841 pd->lra = 0xffffffff; in pkt_probe_settings()
1842 set_bit(PACKET_LRA_VALID, &pd->flags); in pkt_probe_settings()
1848 pd->settings.link_loss = 7; in pkt_probe_settings()
1849 pd->settings.write_type = 0; /* packet */ in pkt_probe_settings()
1850 pd->settings.track_mode = ti.track_mode; in pkt_probe_settings()
1857 pd->settings.block_mode = PACKET_BLOCK_MODE1; in pkt_probe_settings()
1860 pd->settings.block_mode = PACKET_BLOCK_MODE2; in pkt_probe_settings()
1863 pkt_err(pd, "unknown data mode\n"); in pkt_probe_settings()
1872 static noinline_for_stack int pkt_write_caching(struct pktcdvd_device *pd, in pkt_write_caching() argument
1882 cgc.buflen = pd->mode_offset + 12; in pkt_write_caching()
1889 ret = pkt_mode_sense(pd, &cgc, GPMODE_WCACHING_PAGE, 0); in pkt_write_caching()
1893 buf[pd->mode_offset + 10] |= (!!set << 2); in pkt_write_caching()
1896 ret = pkt_mode_select(pd, &cgc); in pkt_write_caching()
1898 pkt_err(pd, "write caching control failed\n"); in pkt_write_caching()
1899 pkt_dump_sense(pd, &cgc); in pkt_write_caching()
1901 pkt_notice(pd, "enabled write caching\n"); in pkt_write_caching()
1905 static int pkt_lock_door(struct pktcdvd_device *pd, int lockflag) in pkt_lock_door() argument
1912 return pkt_generic_packet(pd, &cgc); in pkt_lock_door()
1918 static noinline_for_stack int pkt_get_max_speed(struct pktcdvd_device *pd, in pkt_get_max_speed() argument
1927 cap_buf = &buf[sizeof(struct mode_page_header) + pd->mode_offset]; in pkt_get_max_speed()
1931 ret = pkt_mode_sense(pd, &cgc, GPMODE_CAPABILITIES_PAGE, 0); in pkt_get_max_speed()
1933 cgc.buflen = pd->mode_offset + cap_buf[1] + 2 + in pkt_get_max_speed()
1935 ret = pkt_mode_sense(pd, &cgc, GPMODE_CAPABILITIES_PAGE, 0); in pkt_get_max_speed()
1937 pkt_dump_sense(pd, &cgc); in pkt_get_max_speed()
1979 static noinline_for_stack int pkt_media_speed(struct pktcdvd_device *pd, in pkt_media_speed() argument
1994 ret = pkt_generic_packet(pd, &cgc); in pkt_media_speed()
1996 pkt_dump_sense(pd, &cgc); in pkt_media_speed()
2009 ret = pkt_generic_packet(pd, &cgc); in pkt_media_speed()
2011 pkt_dump_sense(pd, &cgc); in pkt_media_speed()
2016 pkt_notice(pd, "disc type is not CD-RW\n"); in pkt_media_speed()
2020 pkt_notice(pd, "A1 values on media are not valid, maybe not CDRW?\n"); in pkt_media_speed()
2040 pkt_notice(pd, "unknown disc sub-type %d\n", st); in pkt_media_speed()
2044 pkt_info(pd, "maximum media speed: %d\n", *speed); in pkt_media_speed()
2047 pkt_notice(pd, "unknown speed %d for sub-type %d\n", sp, st); in pkt_media_speed()
2052 static noinline_for_stack int pkt_perform_opc(struct pktcdvd_device *pd) in pkt_perform_opc() argument
2058 pkt_dbg(2, pd, "Performing OPC\n"); in pkt_perform_opc()
2065 ret = pkt_generic_packet(pd, &cgc); in pkt_perform_opc()
2067 pkt_dump_sense(pd, &cgc); in pkt_perform_opc()
2071 static int pkt_open_write(struct pktcdvd_device *pd) in pkt_open_write() argument
2076 ret = pkt_probe_settings(pd); in pkt_open_write()
2078 pkt_dbg(2, pd, "failed probe\n"); in pkt_open_write()
2082 ret = pkt_set_write_settings(pd); in pkt_open_write()
2084 pkt_dbg(1, pd, "failed saving write settings\n"); in pkt_open_write()
2088 pkt_write_caching(pd, USE_WCACHING); in pkt_open_write()
2090 ret = pkt_get_max_speed(pd, &write_speed); in pkt_open_write()
2093 switch (pd->mmc3_profile) { in pkt_open_write()
2097 pkt_dbg(1, pd, "write speed %ukB/s\n", write_speed); in pkt_open_write()
2100 ret = pkt_media_speed(pd, &media_write_speed); in pkt_open_write()
2104 pkt_dbg(1, pd, "write speed %ux\n", write_speed / 176); in pkt_open_write()
2109 ret = pkt_set_speed(pd, write_speed, read_speed); in pkt_open_write()
2111 pkt_dbg(1, pd, "couldn't set write speed\n"); in pkt_open_write()
2114 pd->write_speed = write_speed; in pkt_open_write()
2115 pd->read_speed = read_speed; in pkt_open_write()
2117 ret = pkt_perform_opc(pd); in pkt_open_write()
2119 pkt_dbg(1, pd, "Optimum Power Calibration failed\n"); in pkt_open_write()
2128 static int pkt_open_dev(struct pktcdvd_device *pd, fmode_t write) in pkt_open_dev() argument
2140 bdev = blkdev_get_by_dev(pd->bdev->bd_dev, FMODE_READ | FMODE_EXCL, pd); in pkt_open_dev()
2146 ret = pkt_get_last_written(pd, &lba); in pkt_open_dev()
2148 pkt_err(pd, "pkt_get_last_written failed\n"); in pkt_open_dev()
2152 set_capacity(pd->disk, lba << 2); in pkt_open_dev()
2153 set_capacity_and_notify(pd->bdev->bd_disk, lba << 2); in pkt_open_dev()
2155 q = bdev_get_queue(pd->bdev); in pkt_open_dev()
2157 ret = pkt_open_write(pd); in pkt_open_dev()
2164 blk_queue_max_hw_sectors(q, pd->settings.size); in pkt_open_dev()
2165 set_bit(PACKET_WRITABLE, &pd->flags); in pkt_open_dev()
2167 pkt_set_speed(pd, MAX_SPEED, MAX_SPEED); in pkt_open_dev()
2168 clear_bit(PACKET_WRITABLE, &pd->flags); in pkt_open_dev()
2171 ret = pkt_set_segment_merging(pd, q); in pkt_open_dev()
2176 if (!pkt_grow_pktlist(pd, CONFIG_CDROM_PKTCDVD_BUFFERS)) { in pkt_open_dev()
2177 pkt_err(pd, "not enough memory for buffers\n"); in pkt_open_dev()
2181 pkt_info(pd, "%lukB available on disc\n", lba << 1); in pkt_open_dev()
2196 static void pkt_release_dev(struct pktcdvd_device *pd, int flush) in pkt_release_dev() argument
2198 if (flush && pkt_flush_cache(pd)) in pkt_release_dev()
2199 pkt_dbg(1, pd, "not flushing cache\n"); in pkt_release_dev()
2201 pkt_lock_door(pd, 0); in pkt_release_dev()
2203 pkt_set_speed(pd, MAX_SPEED, MAX_SPEED); in pkt_release_dev()
2204 blkdev_put(pd->bdev, FMODE_READ | FMODE_EXCL); in pkt_release_dev()
2206 pkt_shrink_pktlist(pd); in pkt_release_dev()
2220 struct pktcdvd_device *pd = NULL; in pkt_open() local
2225 pd = pkt_find_dev_from_minor(MINOR(bdev->bd_dev)); in pkt_open()
2226 if (!pd) { in pkt_open()
2230 BUG_ON(pd->refcnt < 0); in pkt_open()
2232 pd->refcnt++; in pkt_open()
2233 if (pd->refcnt > 1) { in pkt_open()
2235 !test_bit(PACKET_WRITABLE, &pd->flags)) { in pkt_open()
2240 ret = pkt_open_dev(pd, mode & FMODE_WRITE); in pkt_open()
2255 pd->refcnt--; in pkt_open()
2264 struct pktcdvd_device *pd = disk->private_data; in pkt_close() local
2268 pd->refcnt--; in pkt_close()
2269 BUG_ON(pd->refcnt < 0); in pkt_close()
2270 if (pd->refcnt == 0) { in pkt_close()
2271 int flush = test_bit(PACKET_WRITABLE, &pd->flags); in pkt_close()
2272 pkt_release_dev(pd, flush); in pkt_close()
2282 struct pktcdvd_device *pd = psd->pd; in pkt_end_io_read_cloned() local
2288 pkt_bio_finished(pd); in pkt_end_io_read_cloned()
2291 static void pkt_make_request_read(struct pktcdvd_device *pd, struct bio *bio) in pkt_make_request_read() argument
2294 bio_alloc_clone(pd->bdev, bio, GFP_NOIO, &pkt_bio_set); in pkt_make_request_read()
2297 psd->pd = pd; in pkt_make_request_read()
2301 pd->stats.secs_r += bio_sectors(bio); in pkt_make_request_read()
2302 pkt_queue_bio(pd, cloned_bio); in pkt_make_request_read()
2307 struct pktcdvd_device *pd = q->queuedata; in pkt_make_request_write() local
2313 zone = get_zone(bio->bi_iter.bi_sector, pd); in pkt_make_request_write()
2319 spin_lock(&pd->cdrw.active_list_lock); in pkt_make_request_write()
2321 list_for_each_entry(pkt, &pd->cdrw.pkt_active_list, list) { in pkt_make_request_write()
2332 wake_up(&pd->wqueue); in pkt_make_request_write()
2335 spin_unlock(&pd->cdrw.active_list_lock); in pkt_make_request_write()
2343 spin_unlock(&pd->cdrw.active_list_lock); in pkt_make_request_write()
2350 spin_lock(&pd->lock); in pkt_make_request_write()
2351 if (pd->write_congestion_on > 0 in pkt_make_request_write()
2352 && pd->bio_queue_size >= pd->write_congestion_on) { in pkt_make_request_write()
2355 init_wait_var_entry(&wqe, &pd->congested, 0); in pkt_make_request_write()
2357 prepare_to_wait_event(__var_waitqueue(&pd->congested), in pkt_make_request_write()
2360 if (pd->bio_queue_size <= pd->write_congestion_off) in pkt_make_request_write()
2362 pd->congested = true; in pkt_make_request_write()
2363 spin_unlock(&pd->lock); in pkt_make_request_write()
2365 spin_lock(&pd->lock); in pkt_make_request_write()
2368 spin_unlock(&pd->lock); in pkt_make_request_write()
2373 node = mempool_alloc(&pd->rb_pool, GFP_NOIO); in pkt_make_request_write()
2375 spin_lock(&pd->lock); in pkt_make_request_write()
2376 BUG_ON(pd->bio_queue_size < 0); in pkt_make_request_write()
2377 was_empty = (pd->bio_queue_size == 0); in pkt_make_request_write()
2378 pkt_rbtree_insert(pd, node); in pkt_make_request_write()
2379 spin_unlock(&pd->lock); in pkt_make_request_write()
2384 atomic_set(&pd->scan_queue, 1); in pkt_make_request_write()
2387 wake_up(&pd->wqueue); in pkt_make_request_write()
2388 } else if (!list_empty(&pd->cdrw.pkt_free_list) && !blocked_bio) { in pkt_make_request_write()
2393 wake_up(&pd->wqueue); in pkt_make_request_write()
2399 struct pktcdvd_device *pd = bio->bi_bdev->bd_disk->queue->queuedata; in pkt_submit_bio() local
2404 pkt_dbg(2, pd, "start = %6llx stop = %6llx\n", in pkt_submit_bio()
2412 pkt_make_request_read(pd, bio); in pkt_submit_bio()
2416 if (!test_bit(PACKET_WRITABLE, &pd->flags)) { in pkt_submit_bio()
2417 pkt_notice(pd, "WRITE for ro device (%llu)\n", in pkt_submit_bio()
2423 pkt_err(pd, "wrong bio size\n"); in pkt_submit_bio()
2428 sector_t zone = get_zone(bio->bi_iter.bi_sector, pd); in pkt_submit_bio()
2429 sector_t last_zone = get_zone(bio_end_sector(bio) - 1, pd); in pkt_submit_bio()
2432 BUG_ON(last_zone != zone + pd->settings.size); in pkt_submit_bio()
2450 static void pkt_init_queue(struct pktcdvd_device *pd) in pkt_init_queue() argument
2452 struct request_queue *q = pd->disk->queue; in pkt_init_queue()
2456 q->queuedata = pd; in pkt_init_queue()
2461 struct pktcdvd_device *pd = m->private; in pkt_seq_show() local
2465 seq_printf(m, "Writer %s mapped to %pg:\n", pd->name, pd->bdev); in pkt_seq_show()
2468 seq_printf(m, "\tpacket size:\t\t%dkB\n", pd->settings.size / 2); in pkt_seq_show()
2470 if (pd->settings.write_type == 0) in pkt_seq_show()
2476 seq_printf(m, "\tpacket type:\t\t%s\n", pd->settings.fp ? "Fixed" : "Variable"); in pkt_seq_show()
2477 seq_printf(m, "\tlink loss:\t\t%d\n", pd->settings.link_loss); in pkt_seq_show()
2479 seq_printf(m, "\ttrack mode:\t\t%d\n", pd->settings.track_mode); in pkt_seq_show()
2481 if (pd->settings.block_mode == PACKET_BLOCK_MODE1) in pkt_seq_show()
2483 else if (pd->settings.block_mode == PACKET_BLOCK_MODE2) in pkt_seq_show()
2490 seq_printf(m, "\tpackets started:\t%lu\n", pd->stats.pkt_started); in pkt_seq_show()
2491 seq_printf(m, "\tpackets ended:\t\t%lu\n", pd->stats.pkt_ended); in pkt_seq_show()
2492 seq_printf(m, "\twritten:\t\t%lukB\n", pd->stats.secs_w >> 1); in pkt_seq_show()
2493 seq_printf(m, "\tread gather:\t\t%lukB\n", pd->stats.secs_rg >> 1); in pkt_seq_show()
2494 seq_printf(m, "\tread:\t\t\t%lukB\n", pd->stats.secs_r >> 1); in pkt_seq_show()
2497 seq_printf(m, "\treference count:\t%d\n", pd->refcnt); in pkt_seq_show()
2498 seq_printf(m, "\tflags:\t\t\t0x%lx\n", pd->flags); in pkt_seq_show()
2499 seq_printf(m, "\tread speed:\t\t%ukB/s\n", pd->read_speed); in pkt_seq_show()
2500 seq_printf(m, "\twrite speed:\t\t%ukB/s\n", pd->write_speed); in pkt_seq_show()
2501 seq_printf(m, "\tstart offset:\t\t%lu\n", pd->offset); in pkt_seq_show()
2502 seq_printf(m, "\tmode page offset:\t%u\n", pd->mode_offset); in pkt_seq_show()
2505 seq_printf(m, "\tbios queued:\t\t%d\n", pd->bio_queue_size); in pkt_seq_show()
2506 seq_printf(m, "\tbios pending:\t\t%d\n", atomic_read(&pd->cdrw.pending_bios)); in pkt_seq_show()
2507 seq_printf(m, "\tcurrent sector:\t\t0x%llx\n", (unsigned long long)pd->current_sector); in pkt_seq_show()
2509 pkt_count_states(pd, states); in pkt_seq_show()
2514 pd->write_congestion_off, in pkt_seq_show()
2515 pd->write_congestion_on); in pkt_seq_show()
2519 static int pkt_new_dev(struct pktcdvd_device *pd, dev_t dev) in pkt_new_dev() argument
2525 if (pd->pkt_dev == dev) { in pkt_new_dev()
2526 pkt_err(pd, "recursive setup not allowed\n"); in pkt_new_dev()
2534 pkt_err(pd, "%pg already setup\n", pd2->bdev); in pkt_new_dev()
2538 pkt_err(pd, "can't chain pktcdvd devices\n"); in pkt_new_dev()
2556 pd->bdev = bdev; in pkt_new_dev()
2559 pkt_init_queue(pd); in pkt_new_dev()
2561 atomic_set(&pd->cdrw.pending_bios, 0); in pkt_new_dev()
2562 pd->cdrw.thread = kthread_run(kcdrwd, pd, "%s", pd->name); in pkt_new_dev()
2563 if (IS_ERR(pd->cdrw.thread)) { in pkt_new_dev()
2564 pkt_err(pd, "can't start kernel thread\n"); in pkt_new_dev()
2568 proc_create_single_data(pd->name, 0, pkt_proc, pkt_seq_show, pd); in pkt_new_dev()
2569 pkt_dbg(1, pd, "writer mapped to %pg\n", bdev); in pkt_new_dev()
2581 struct pktcdvd_device *pd = bdev->bd_disk->private_data; in pkt_ioctl() local
2584 pkt_dbg(2, pd, "cmd %x, dev %d:%d\n", in pkt_ioctl()
2594 if (pd->refcnt == 1) in pkt_ioctl()
2595 pkt_lock_door(pd, 0); in pkt_ioctl()
2611 pkt_dbg(2, pd, "Unknown ioctl (%x)\n", cmd); in pkt_ioctl()
2622 struct pktcdvd_device *pd = disk->private_data; in pkt_check_events() local
2625 if (!pd) in pkt_check_events()
2627 if (!pd->bdev) in pkt_check_events()
2629 attached_disk = pd->bdev->bd_disk; in pkt_check_events()
2658 struct pktcdvd_device *pd; in pkt_setup_dev() local
2672 pd = kzalloc(sizeof(struct pktcdvd_device), GFP_KERNEL); in pkt_setup_dev()
2673 if (!pd) in pkt_setup_dev()
2676 ret = mempool_init_kmalloc_pool(&pd->rb_pool, PKT_RB_POOL_SIZE, in pkt_setup_dev()
2681 INIT_LIST_HEAD(&pd->cdrw.pkt_free_list); in pkt_setup_dev()
2682 INIT_LIST_HEAD(&pd->cdrw.pkt_active_list); in pkt_setup_dev()
2683 spin_lock_init(&pd->cdrw.active_list_lock); in pkt_setup_dev()
2685 spin_lock_init(&pd->lock); in pkt_setup_dev()
2686 spin_lock_init(&pd->iosched.lock); in pkt_setup_dev()
2687 bio_list_init(&pd->iosched.read_queue); in pkt_setup_dev()
2688 bio_list_init(&pd->iosched.write_queue); in pkt_setup_dev()
2689 sprintf(pd->name, DRIVER_NAME"%d", idx); in pkt_setup_dev()
2690 init_waitqueue_head(&pd->wqueue); in pkt_setup_dev()
2691 pd->bio_queue = RB_ROOT; in pkt_setup_dev()
2693 pd->write_congestion_on = write_congestion_on; in pkt_setup_dev()
2694 pd->write_congestion_off = write_congestion_off; in pkt_setup_dev()
2700 pd->disk = disk; in pkt_setup_dev()
2706 strcpy(disk->disk_name, pd->name); in pkt_setup_dev()
2707 disk->private_data = pd; in pkt_setup_dev()
2709 pd->pkt_dev = MKDEV(pktdev_major, idx); in pkt_setup_dev()
2710 ret = pkt_new_dev(pd, dev); in pkt_setup_dev()
2715 disk->events = pd->bdev->bd_disk->events; in pkt_setup_dev()
2721 pkt_sysfs_dev_new(pd); in pkt_setup_dev()
2722 pkt_debugfs_dev_new(pd); in pkt_setup_dev()
2724 pkt_devs[idx] = pd; in pkt_setup_dev()
2726 *pkt_dev = pd->pkt_dev; in pkt_setup_dev()
2734 mempool_exit(&pd->rb_pool); in pkt_setup_dev()
2735 kfree(pd); in pkt_setup_dev()
2747 struct pktcdvd_device *pd; in pkt_remove_dev() local
2754 pd = pkt_devs[idx]; in pkt_remove_dev()
2755 if (pd && (pd->pkt_dev == pkt_dev)) in pkt_remove_dev()
2764 if (pd->refcnt > 0) { in pkt_remove_dev()
2768 if (!IS_ERR(pd->cdrw.thread)) in pkt_remove_dev()
2769 kthread_stop(pd->cdrw.thread); in pkt_remove_dev()
2773 pkt_debugfs_dev_remove(pd); in pkt_remove_dev()
2774 pkt_sysfs_dev_remove(pd); in pkt_remove_dev()
2776 blkdev_put(pd->bdev, FMODE_READ | FMODE_NDELAY); in pkt_remove_dev()
2778 remove_proc_entry(pd->name, pkt_proc); in pkt_remove_dev()
2779 pkt_dbg(1, pd, "writer unmapped\n"); in pkt_remove_dev()
2781 del_gendisk(pd->disk); in pkt_remove_dev()
2782 put_disk(pd->disk); in pkt_remove_dev()
2784 mempool_exit(&pd->rb_pool); in pkt_remove_dev()
2785 kfree(pd); in pkt_remove_dev()
2797 struct pktcdvd_device *pd; in pkt_get_status() local
2801 pd = pkt_find_dev_from_minor(ctrl_cmd->dev_index); in pkt_get_status()
2802 if (pd) { in pkt_get_status()
2803 ctrl_cmd->dev = new_encode_dev(pd->bdev->bd_dev); in pkt_get_status()
2804 ctrl_cmd->pkt_dev = new_encode_dev(pd->pkt_dev); in pkt_get_status()