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Diffstat (limited to 'drivers/scsi/sd.h')
-rw-r--r--drivers/scsi/sd.h43
1 files changed, 38 insertions, 5 deletions
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h
index 50fff0bf8c8e..3a74f4b45134 100644
--- a/drivers/scsi/sd.h
+++ b/drivers/scsi/sd.h
@@ -79,6 +79,12 @@ struct scsi_disk {
u32 zones_optimal_open;
u32 zones_optimal_nonseq;
u32 zones_max_open;
+ u32 *zones_wp_offset;
+ spinlock_t zones_wp_offset_lock;
+ u32 *rev_wp_offset;
+ struct mutex rev_mutex;
+ struct work_struct zone_wp_offset_work;
+ char *zone_wp_update_buf;
#endif
atomic_t openers;
sector_t capacity; /* size in logical blocks */
@@ -207,17 +213,35 @@ static inline int sd_is_zoned(struct scsi_disk *sdkp)
#ifdef CONFIG_BLK_DEV_ZONED
+int sd_zbc_init_disk(struct scsi_disk *sdkp);
+void sd_zbc_release_disk(struct scsi_disk *sdkp);
extern int sd_zbc_read_zones(struct scsi_disk *sdkp, unsigned char *buffer);
extern void sd_zbc_print_zones(struct scsi_disk *sdkp);
blk_status_t sd_zbc_setup_zone_mgmt_cmnd(struct scsi_cmnd *cmd,
unsigned char op, bool all);
-extern void sd_zbc_complete(struct scsi_cmnd *cmd, unsigned int good_bytes,
- struct scsi_sense_hdr *sshdr);
+unsigned int sd_zbc_complete(struct scsi_cmnd *cmd, unsigned int good_bytes,
+ struct scsi_sense_hdr *sshdr);
int sd_zbc_report_zones(struct gendisk *disk, sector_t sector,
unsigned int nr_zones, report_zones_cb cb, void *data);
+blk_status_t sd_zbc_prepare_zone_append(struct scsi_cmnd *cmd, sector_t *lba,
+ unsigned int nr_blocks);
+
#else /* CONFIG_BLK_DEV_ZONED */
+static inline int sd_zbc_init(void)
+{
+ return 0;
+}
+
+static inline int sd_zbc_init_disk(struct scsi_disk *sdkp)
+{
+ return 0;
+}
+
+static inline void sd_zbc_exit(void) {}
+static inline void sd_zbc_release_disk(struct scsi_disk *sdkp) {}
+
static inline int sd_zbc_read_zones(struct scsi_disk *sdkp,
unsigned char *buf)
{
@@ -233,9 +257,18 @@ static inline blk_status_t sd_zbc_setup_zone_mgmt_cmnd(struct scsi_cmnd *cmd,
return BLK_STS_TARGET;
}
-static inline void sd_zbc_complete(struct scsi_cmnd *cmd,
- unsigned int good_bytes,
- struct scsi_sense_hdr *sshdr) {}
+static inline unsigned int sd_zbc_complete(struct scsi_cmnd *cmd,
+ unsigned int good_bytes, struct scsi_sense_hdr *sshdr)
+{
+ return 0;
+}
+
+static inline blk_status_t sd_zbc_prepare_zone_append(struct scsi_cmnd *cmd,
+ sector_t *lba,
+ unsigned int nr_blocks)
+{
+ return BLK_STS_TARGET;
+}
#define sd_zbc_report_zones NULL