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Diffstat (limited to 'drivers/nvme/host/nvme.h')
-rw-r--r--drivers/nvme/host/nvme.h31
1 files changed, 17 insertions, 14 deletions
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 2a7bf57428..68b400f9c4 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -282,7 +282,8 @@ struct nvme_ctrl {
struct blk_mq_tag_set *tagset;
struct blk_mq_tag_set *admin_tagset;
struct list_head namespaces;
- struct rw_semaphore namespaces_rwsem;
+ struct mutex namespaces_lock;
+ struct srcu_struct srcu;
struct device ctrl_device;
struct device *device; /* char device */
#ifdef CONFIG_NVME_HWMON
@@ -469,9 +470,8 @@ struct nvme_ns_head {
u16 ms;
u16 pi_size;
u8 pi_type;
+ u8 pi_offset;
u8 guard_type;
- u16 sgs;
- u32 sws;
#ifdef CONFIG_BLK_DEV_ZONED
u64 zsze;
#endif
@@ -502,7 +502,7 @@ static inline bool nvme_ns_head_multipath(struct nvme_ns_head *head)
enum nvme_ns_features {
NVME_NS_EXT_LBAS = 1 << 0, /* support extended LBA format */
NVME_NS_METADATA_SUPPORTED = 1 << 1, /* support getting generated md */
- NVME_NS_DEAC, /* DEAC bit in Write Zeores supported */
+ NVME_NS_DEAC = 1 << 2, /* DEAC bit in Write Zeores supported */
};
struct nvme_ns {
@@ -766,6 +766,7 @@ static inline bool nvme_state_terminal(struct nvme_ctrl *ctrl)
}
}
+void nvme_end_req(struct request *req);
void nvme_complete_rq(struct request *req);
void nvme_complete_batch_req(struct request *req);
@@ -1061,11 +1062,19 @@ static inline bool nvme_disk_is_ns_head(struct gendisk *disk)
}
#endif /* CONFIG_NVME_MULTIPATH */
-int nvme_revalidate_zones(struct nvme_ns *ns);
+struct nvme_zone_info {
+ u64 zone_size;
+ unsigned int max_open_zones;
+ unsigned int max_active_zones;
+};
+
int nvme_ns_report_zones(struct nvme_ns *ns, sector_t sector,
unsigned int nr_zones, report_zones_cb cb, void *data);
+int nvme_query_zone_info(struct nvme_ns *ns, unsigned lbaf,
+ struct nvme_zone_info *zi);
+void nvme_update_zone_info(struct nvme_ns *ns, struct queue_limits *lim,
+ struct nvme_zone_info *zi);
#ifdef CONFIG_BLK_DEV_ZONED
-int nvme_update_zone_info(struct nvme_ns *ns, unsigned lbaf);
blk_status_t nvme_setup_zone_mgmt_send(struct nvme_ns *ns, struct request *req,
struct nvme_command *cmnd,
enum nvme_zone_mgmt_action action);
@@ -1076,13 +1085,6 @@ static inline blk_status_t nvme_setup_zone_mgmt_send(struct nvme_ns *ns,
{
return BLK_STS_NOTSUPP;
}
-
-static inline int nvme_update_zone_info(struct nvme_ns *ns, unsigned lbaf)
-{
- dev_warn(ns->ctrl->device,
- "Please enable CONFIG_BLK_DEV_ZONED to support ZNS devices\n");
- return -EPROTONOSUPPORT;
-}
#endif
static inline struct nvme_ns *nvme_get_ns_from_dev(struct device *dev)
@@ -1146,7 +1148,7 @@ static inline int nvme_auth_negotiate(struct nvme_ctrl *ctrl, int qid)
}
static inline int nvme_auth_wait(struct nvme_ctrl *ctrl, int qid)
{
- return NVME_SC_AUTH_REQUIRED;
+ return -EPROTONOSUPPORT;
}
static inline void nvme_auth_free(struct nvme_ctrl *ctrl) {};
#endif
@@ -1159,6 +1161,7 @@ void nvme_passthru_end(struct nvme_ctrl *ctrl, struct nvme_ns *ns, u32 effects,
struct nvme_command *cmd, int status);
struct nvme_ctrl *nvme_ctrl_from_file(struct file *file);
struct nvme_ns *nvme_find_get_ns(struct nvme_ctrl *ctrl, unsigned nsid);
+bool nvme_get_ns(struct nvme_ns *ns);
void nvme_put_ns(struct nvme_ns *ns);
static inline bool nvme_multi_css(struct nvme_ctrl *ctrl)