#include <linux/major.h>
#include <linux/device_cgroup.h>
#include <linux/blkdev.h>
+#include <linux/blk-integrity.h>
#include <linux/backing-dev.h>
#include <linux/module.h>
#include <linux/blkpg.h>
* Written by: Martin K. Petersen <martin.petersen@oracle.com>
*/
-#include <linux/blkdev.h>
+#include <linux/blk-integrity.h>
#include <linux/mempool.h>
#include <linux/export.h>
#include <linux/bio.h>
#include <linux/blkdev.h>
#include <linux/blk-mq.h>
#include <linux/blk-pm.h>
+#include <linux/blk-integrity.h>
#include <linux/highmem.h>
#include <linux/mm.h>
#include <linux/pagemap.h>
* Written by: Martin K. Petersen <martin.petersen@oracle.com>
*/
-#include <linux/blkdev.h>
+#include <linux/blk-integrity.h>
#include <linux/backing-dev.h>
#include <linux/mempool.h>
#include <linux/bio.h>
#include <linux/module.h>
#include <linux/bio.h>
#include <linux/blkdev.h>
+#include <linux/blk-integrity.h>
#include <linux/scatterlist.h>
#include <trace/events/block.h>
#include <linux/backing-dev.h>
#include <linux/bio.h>
#include <linux/blkdev.h>
+#include <linux/blk-integrity.h>
#include <linux/kmemleak.h>
#include <linux/mm.h>
#include <linux/init.h>
#include <linux/pm_runtime.h>
#include <linux/wait.h>
#include <linux/blkdev.h>
+#include <linux/blk-integrity.h>
struct blk_ksm_keyslot {
atomic_t slot_refs;
*/
#include <linux/t10-pi.h>
-#include <linux/blkdev.h>
+#include <linux/blk-integrity.h>
#include <linux/crc-t10dif.h>
#include <linux/module.h>
#include <net/checksum.h>
#define DM_BIO_RECORD_H
#include <linux/bio.h>
+#include <linux/blk-integrity.h>
/*
* There are lots of mutable fields in the bio struct that get
#include <linux/key.h>
#include <linux/bio.h>
#include <linux/blkdev.h>
+#include <linux/blk-integrity.h>
#include <linux/mempool.h>
#include <linux/slab.h>
#include <linux/crypto.h>
#include <linux/module.h>
#include <linux/vmalloc.h>
#include <linux/blkdev.h>
+#include <linux/blk-integrity.h>
#include <linux/namei.h>
#include <linux/ctype.h>
#include <linux/string.h>
#include <linux/sched/signal.h>
#include <linux/kthread.h>
#include <linux/blkdev.h>
+#include <linux/blk-integrity.h>
#include <linux/badblocks.h>
#include <linux/sysctl.h>
#include <linux/seq_file.h>
#include <linux/export.h>
#include <linux/module.h>
#include <linux/blkdev.h>
+#include <linux/blk-integrity.h>
#include <linux/device.h>
#include <linux/ctype.h>
#include <linux/ndctl.h>
#include <linux/blkdev.h>
#include <linux/blk-mq.h>
+#include <linux/blk-integrity.h>
#include <linux/compat.h>
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/blkdev.h>
#include <linux/blk-mq.h>
#include <linux/blk-mq-pci.h>
+#include <linux/blk-integrity.h>
#include <linux/dmi.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/atomic.h>
#include <linux/blk-mq.h>
#include <linux/blk-mq-rdma.h>
+#include <linux/blk-integrity.h>
#include <linux/types.h>
#include <linux/list.h>
#include <linux/mutex.h>
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/blkdev.h>
+#include <linux/blk-integrity.h>
#include <linux/module.h>
#include "nvmet.h"
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/atomic.h>
+#include <linux/blk-integrity.h>
#include <linux/ctype.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/hardirq.h>
#include <linux/scatterlist.h>
#include <linux/blk-mq.h>
+#include <linux/blk-integrity.h>
#include <linux/ratelimit.h>
#include <asm/unaligned.h>
* Written by: Martin K. Petersen <martin.petersen@oracle.com>
*/
-#include <linux/blkdev.h>
+#include <linux/blk-integrity.h>
#include <linux/t10-pi.h>
#include <scsi/scsi.h>
#include <linux/virtio_scsi.h>
#include <linux/cpu.h>
#include <linux/blkdev.h>
+#include <linux/blk-integrity.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_cmnd.h>
#include <linux/timer.h>
#include <linux/fs.h>
#include <linux/blkdev.h>
+#include <linux/blk-integrity.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/bio.h>
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_BLK_INTEGRITY_H
+#define _LINUX_BLK_INTEGRITY_H
+
+#include <linux/blk-mq.h>
+
+struct request;
+
+enum blk_integrity_flags {
+ BLK_INTEGRITY_VERIFY = 1 << 0,
+ BLK_INTEGRITY_GENERATE = 1 << 1,
+ BLK_INTEGRITY_DEVICE_CAPABLE = 1 << 2,
+ BLK_INTEGRITY_IP_CHECKSUM = 1 << 3,
+};
+
+struct blk_integrity_iter {
+ void *prot_buf;
+ void *data_buf;
+ sector_t seed;
+ unsigned int data_size;
+ unsigned short interval;
+ const char *disk_name;
+};
+
+typedef blk_status_t (integrity_processing_fn) (struct blk_integrity_iter *);
+typedef void (integrity_prepare_fn) (struct request *);
+typedef void (integrity_complete_fn) (struct request *, unsigned int);
+
+struct blk_integrity_profile {
+ integrity_processing_fn *generate_fn;
+ integrity_processing_fn *verify_fn;
+ integrity_prepare_fn *prepare_fn;
+ integrity_complete_fn *complete_fn;
+ const char *name;
+};
+
+#ifdef CONFIG_BLK_DEV_INTEGRITY
+void blk_integrity_register(struct gendisk *, struct blk_integrity *);
+void blk_integrity_unregister(struct gendisk *);
+int blk_integrity_compare(struct gendisk *, struct gendisk *);
+int blk_rq_map_integrity_sg(struct request_queue *, struct bio *,
+ struct scatterlist *);
+int blk_rq_count_integrity_sg(struct request_queue *, struct bio *);
+
+static inline struct blk_integrity *blk_get_integrity(struct gendisk *disk)
+{
+ struct blk_integrity *bi = &disk->queue->integrity;
+
+ if (!bi->profile)
+ return NULL;
+
+ return bi;
+}
+
+static inline struct blk_integrity *
+bdev_get_integrity(struct block_device *bdev)
+{
+ return blk_get_integrity(bdev->bd_disk);
+}
+
+static inline bool
+blk_integrity_queue_supports_integrity(struct request_queue *q)
+{
+ return q->integrity.profile;
+}
+
+static inline void blk_queue_max_integrity_segments(struct request_queue *q,
+ unsigned int segs)
+{
+ q->limits.max_integrity_segments = segs;
+}
+
+static inline unsigned short
+queue_max_integrity_segments(const struct request_queue *q)
+{
+ return q->limits.max_integrity_segments;
+}
+
+/**
+ * bio_integrity_intervals - Return number of integrity intervals for a bio
+ * @bi: blk_integrity profile for device
+ * @sectors: Size of the bio in 512-byte sectors
+ *
+ * Description: The block layer calculates everything in 512 byte
+ * sectors but integrity metadata is done in terms of the data integrity
+ * interval size of the storage device. Convert the block layer sectors
+ * to the appropriate number of integrity intervals.
+ */
+static inline unsigned int bio_integrity_intervals(struct blk_integrity *bi,
+ unsigned int sectors)
+{
+ return sectors >> (bi->interval_exp - 9);
+}
+
+static inline unsigned int bio_integrity_bytes(struct blk_integrity *bi,
+ unsigned int sectors)
+{
+ return bio_integrity_intervals(bi, sectors) * bi->tuple_size;
+}
+
+static inline bool blk_integrity_rq(struct request *rq)
+{
+ return rq->cmd_flags & REQ_INTEGRITY;
+}
+
+/*
+ * Return the first bvec that contains integrity data. Only drivers that are
+ * limited to a single integrity segment should use this helper.
+ */
+static inline struct bio_vec *rq_integrity_vec(struct request *rq)
+{
+ if (WARN_ON_ONCE(queue_max_integrity_segments(rq->q) > 1))
+ return NULL;
+ return rq->bio->bi_integrity->bip_vec;
+}
+#else /* CONFIG_BLK_DEV_INTEGRITY */
+static inline int blk_rq_count_integrity_sg(struct request_queue *q,
+ struct bio *b)
+{
+ return 0;
+}
+static inline int blk_rq_map_integrity_sg(struct request_queue *q,
+ struct bio *b,
+ struct scatterlist *s)
+{
+ return 0;
+}
+static inline struct blk_integrity *bdev_get_integrity(struct block_device *b)
+{
+ return NULL;
+}
+static inline struct blk_integrity *blk_get_integrity(struct gendisk *disk)
+{
+ return NULL;
+}
+static inline bool
+blk_integrity_queue_supports_integrity(struct request_queue *q)
+{
+ return false;
+}
+static inline int blk_integrity_compare(struct gendisk *a, struct gendisk *b)
+{
+ return 0;
+}
+static inline void blk_integrity_register(struct gendisk *d,
+ struct blk_integrity *b)
+{
+}
+static inline void blk_integrity_unregister(struct gendisk *d)
+{
+}
+static inline void blk_queue_max_integrity_segments(struct request_queue *q,
+ unsigned int segs)
+{
+}
+static inline unsigned short
+queue_max_integrity_segments(const struct request_queue *q)
+{
+ return 0;
+}
+
+static inline unsigned int bio_integrity_intervals(struct blk_integrity *bi,
+ unsigned int sectors)
+{
+ return 0;
+}
+
+static inline unsigned int bio_integrity_bytes(struct blk_integrity *bi,
+ unsigned int sectors)
+{
+ return 0;
+}
+static inline int blk_integrity_rq(struct request *rq)
+{
+ return 0;
+}
+
+static inline struct bio_vec *rq_integrity_vec(struct request *rq)
+{
+ return NULL;
+}
+#endif /* CONFIG_BLK_DEV_INTEGRITY */
+#endif /* _LINUX_BLK_INTEGRITY_H */
#define MODULE_ALIAS_BLOCKDEV_MAJOR(major) \
MODULE_ALIAS("block-major-" __stringify(major) "-*")
-#if defined(CONFIG_BLK_DEV_INTEGRITY)
-
-enum blk_integrity_flags {
- BLK_INTEGRITY_VERIFY = 1 << 0,
- BLK_INTEGRITY_GENERATE = 1 << 1,
- BLK_INTEGRITY_DEVICE_CAPABLE = 1 << 2,
- BLK_INTEGRITY_IP_CHECKSUM = 1 << 3,
-};
-
-struct blk_integrity_iter {
- void *prot_buf;
- void *data_buf;
- sector_t seed;
- unsigned int data_size;
- unsigned short interval;
- const char *disk_name;
-};
-
-typedef blk_status_t (integrity_processing_fn) (struct blk_integrity_iter *);
-typedef void (integrity_prepare_fn) (struct request *);
-typedef void (integrity_complete_fn) (struct request *, unsigned int);
-
-struct blk_integrity_profile {
- integrity_processing_fn *generate_fn;
- integrity_processing_fn *verify_fn;
- integrity_prepare_fn *prepare_fn;
- integrity_complete_fn *complete_fn;
- const char *name;
-};
-
-extern void blk_integrity_register(struct gendisk *, struct blk_integrity *);
-extern void blk_integrity_unregister(struct gendisk *);
-extern int blk_integrity_compare(struct gendisk *, struct gendisk *);
-extern int blk_rq_map_integrity_sg(struct request_queue *, struct bio *,
- struct scatterlist *);
-extern int blk_rq_count_integrity_sg(struct request_queue *, struct bio *);
-
-static inline struct blk_integrity *blk_get_integrity(struct gendisk *disk)
-{
- struct blk_integrity *bi = &disk->queue->integrity;
-
- if (!bi->profile)
- return NULL;
-
- return bi;
-}
-
-static inline
-struct blk_integrity *bdev_get_integrity(struct block_device *bdev)
-{
- return blk_get_integrity(bdev->bd_disk);
-}
-
-static inline bool
-blk_integrity_queue_supports_integrity(struct request_queue *q)
-{
- return q->integrity.profile;
-}
-
-static inline bool blk_integrity_rq(struct request *rq)
-{
- return rq->cmd_flags & REQ_INTEGRITY;
-}
-
-static inline void blk_queue_max_integrity_segments(struct request_queue *q,
- unsigned int segs)
-{
- q->limits.max_integrity_segments = segs;
-}
-
-static inline unsigned short
-queue_max_integrity_segments(const struct request_queue *q)
-{
- return q->limits.max_integrity_segments;
-}
-
-/**
- * bio_integrity_intervals - Return number of integrity intervals for a bio
- * @bi: blk_integrity profile for device
- * @sectors: Size of the bio in 512-byte sectors
- *
- * Description: The block layer calculates everything in 512 byte
- * sectors but integrity metadata is done in terms of the data integrity
- * interval size of the storage device. Convert the block layer sectors
- * to the appropriate number of integrity intervals.
- */
-static inline unsigned int bio_integrity_intervals(struct blk_integrity *bi,
- unsigned int sectors)
-{
- return sectors >> (bi->interval_exp - 9);
-}
-
-static inline unsigned int bio_integrity_bytes(struct blk_integrity *bi,
- unsigned int sectors)
-{
- return bio_integrity_intervals(bi, sectors) * bi->tuple_size;
-}
-
-/*
- * Return the first bvec that contains integrity data. Only drivers that are
- * limited to a single integrity segment should use this helper.
- */
-static inline struct bio_vec *rq_integrity_vec(struct request *rq)
-{
- if (WARN_ON_ONCE(queue_max_integrity_segments(rq->q) > 1))
- return NULL;
- return rq->bio->bi_integrity->bip_vec;
-}
-
-#else /* CONFIG_BLK_DEV_INTEGRITY */
-
-struct bio;
-struct block_device;
-struct gendisk;
-struct blk_integrity;
-
-static inline int blk_integrity_rq(struct request *rq)
-{
- return 0;
-}
-static inline int blk_rq_count_integrity_sg(struct request_queue *q,
- struct bio *b)
-{
- return 0;
-}
-static inline int blk_rq_map_integrity_sg(struct request_queue *q,
- struct bio *b,
- struct scatterlist *s)
-{
- return 0;
-}
-static inline struct blk_integrity *bdev_get_integrity(struct block_device *b)
-{
- return NULL;
-}
-static inline struct blk_integrity *blk_get_integrity(struct gendisk *disk)
-{
- return NULL;
-}
-static inline bool
-blk_integrity_queue_supports_integrity(struct request_queue *q)
-{
- return false;
-}
-static inline int blk_integrity_compare(struct gendisk *a, struct gendisk *b)
-{
- return 0;
-}
-static inline void blk_integrity_register(struct gendisk *d,
- struct blk_integrity *b)
-{
-}
-static inline void blk_integrity_unregister(struct gendisk *d)
-{
-}
-static inline void blk_queue_max_integrity_segments(struct request_queue *q,
- unsigned int segs)
-{
-}
-static inline unsigned short queue_max_integrity_segments(const struct request_queue *q)
-{
- return 0;
-}
-
-static inline unsigned int bio_integrity_intervals(struct blk_integrity *bi,
- unsigned int sectors)
-{
- return 0;
-}
-
-static inline unsigned int bio_integrity_bytes(struct blk_integrity *bi,
- unsigned int sectors)
-{
- return 0;
-}
-
-static inline struct bio_vec *rq_integrity_vec(struct request *rq)
-{
- return NULL;
-}
-
-#endif /* CONFIG_BLK_DEV_INTEGRITY */
-
#ifdef CONFIG_BLK_INLINE_ENCRYPTION
bool blk_ksm_register(struct blk_keyslot_manager *ksm, struct request_queue *q);