linux/block/blk-integrity.c

3  * blk-integrity.c - Block layer data integrity extensions
9 #include <linux/blk-integrity.h>
20  * blk_rq_count_integrity_sg - Count number of integrity scatterlist elements
22  * @bio:	bio with integrity metadata attached
25  * scatterlist corresponding to the integrity metadata in a bio.
59  * blk_rq_map_integrity_sg - Map integrity metadata into a scatterlist
61  * @bio:	bio with integrity metadata attached
64  * Description: Map the integrity vectors in request into a
111  * blk_integrity_compare - Compare integrity profile of two disks
116  * sub-devices use the same integrity format before advertising to
117  * upper layers that they can send/receive integrity metadata.  This
119  * compatible integrity formats.
123 	struct blk_integrity *b1 = &gd1->queue->integrity;  in blk_integrity_compare()
124 	struct blk_integrity *b2 = &gd2->queue->integrity;  in blk_integrity_compare()
217 	return &dev_to_disk(dev)->queue->integrity;  in dev_to_bi()
325 	.name = "integrity",
352  * blk_integrity_register - Register a gendisk as being integrity-capable
353  * @disk:	struct gendisk pointer to make integrity-aware
354  * @template:	block integrity profile to register
357  * send/receive integrity metadata it must use this function to register
360  * Documentation/block/data-integrity.rst.
364 	struct blk_integrity *bi = &disk->queue->integrity;  in blk_integrity_register()
378 …pr_warn("blk-integrity: Integrity and hardware inline encryption are not supported together. Disab…  in blk_integrity_register()
386  * blk_integrity_unregister - Unregister block integrity profile
387  * @disk:	disk whose integrity profile to unregister
389  * Description: This function unregisters the integrity capability from
394 	struct blk_integrity *bi = &disk->queue->integrity;  in blk_integrity_unregister()