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Searched refs:tag_map (Results 1 – 7 of 7) sorted by relevance

/Linux-v4.19/block/
Dblk-tag.c40 BUG_ON(find_first_bit(bqt->tag_map, bqt->max_depth) < in blk_free_tags()
46 kfree(bqt->tag_map); in blk_free_tags()
47 bqt->tag_map = NULL; in blk_free_tags()
93 unsigned long *tag_map; in init_tag_map() local
107 tag_map = kcalloc(nr_ulongs, sizeof(unsigned long), GFP_ATOMIC); in init_tag_map()
108 if (!tag_map) in init_tag_map()
114 tags->tag_map = tag_map; in init_tag_map()
207 unsigned long *tag_map; in blk_queue_resize_tags() local
235 tag_map = bqt->tag_map; in blk_queue_resize_tags()
243 memcpy(bqt->tag_map, tag_map, nr_ulongs * sizeof(unsigned long)); in blk_queue_resize_tags()
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/Linux-v4.19/drivers/dma/ioat/
Ddca.c56 static inline int dca2_tag_map_valid(u8 *tag_map) in dca2_tag_map_valid() argument
58 return ((tag_map[0] == DCA2_TAG_MAP_BYTE0) && in dca2_tag_map_valid()
59 (tag_map[1] == DCA2_TAG_MAP_BYTE1) && in dca2_tag_map_valid()
60 (tag_map[2] == DCA2_TAG_MAP_BYTE2) && in dca2_tag_map_valid()
61 (tag_map[3] == DCA2_TAG_MAP_BYTE3) && in dca2_tag_map_valid()
62 (tag_map[4] == DCA2_TAG_MAP_BYTE4)); in dca2_tag_map_valid()
116 u8 tag_map[IOAT_TAG_MAP_LEN]; member
210 entry = ioatdca->tag_map[i]; in ioat_dca_get_tag()
252 static inline int dca3_tag_map_invalid(u8 *tag_map) in dca3_tag_map_invalid() argument
262 return ((tag_map[0] == DCA_TAG_MAP_VALID) && in dca3_tag_map_invalid()
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/Linux-v4.19/drivers/block/
Dnull_blk.h26 unsigned long *tag_map; member
Dnull_blk_main.c538 clear_bit_unlock(tag, nq->tag_map); in put_tag()
549 tag = find_first_zero_bit(nq->tag_map, nq->queue_depth); in get_tag()
552 } while (test_and_set_bit_lock(tag, nq->tag_map)); in get_tag()
1466 kfree(nq->tag_map); in cleanup_queue()
1570 nq->tag_map = kcalloc(tag_size, sizeof(unsigned long), GFP_KERNEL); in setup_commands()
1571 if (!nq->tag_map) { in setup_commands()
/Linux-v4.19/drivers/scsi/fnic/
Dfnic_scsi.c2285 tag = find_next_zero_bit(bqt->tag_map, bqt->max_depth, 1); in fnic_scsi_host_start_tag()
2290 } while (test_and_set_bit(tag, bqt->tag_map)); in fnic_scsi_host_start_tag()
2322 clear_bit(tag, bqt->tag_map); in fnic_scsi_host_end_tag()
/Linux-v4.19/include/linux/
Dblkdev.h342 unsigned long *tag_map; /* bit map of free/busy tags */ member
/Linux-v4.19/Documentation/block/
Dbiodoc.txt787 unsigned long *tag_map; /* bitmap of free tags */