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nvmet: add 'host_traddr' callback for debugfs

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We want to display the transport address of the connected host
in debugfs, but this is a property of the transport.
So add a callback 'host_traddr' to allow the transport drivers
to fill in the data.

Signed-off-by: Hannes Reinecke <hare@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: Daniel Wagner <dwagner@suse.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
This commit is contained in:
Hannes Reinecke
2024-05-27 07:15:20 +02:00
committed by Keith Busch
parent 649fd41420
commit 7e5c3de3f2
3 changed files with 31 additions and 0 deletions
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4
drivers/nvme/target/nvmet.h
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@@ -354,6 +354,8 @@ struct nvmet_fabrics_ops {
void (*delete_ctrl)(struct nvmet_ctrl *ctrl);
void (*disc_traddr)(struct nvmet_req *req,
struct nvmet_port *port, char *traddr);
ssize_t (*host_traddr)(struct nvmet_ctrl *ctrl,
char *traddr, size_t traddr_len);
u16 (*install_queue)(struct nvmet_sq *nvme_sq);
void (*discovery_chg)(struct nvmet_port *port);
u8 (*get_mdts)(const struct nvmet_ctrl *ctrl);
@@ -502,6 +504,8 @@ struct nvmet_ctrl *nvmet_ctrl_find_get(const char *subsysnqn,
struct nvmet_req *req);
void nvmet_ctrl_put(struct nvmet_ctrl *ctrl);
u16 nvmet_check_ctrl_status(struct nvmet_req *req);
ssize_t nvmet_ctrl_host_traddr(struct nvmet_ctrl *ctrl,
char *traddr, size_t traddr_len);
struct nvmet_subsys *nvmet_subsys_alloc(const char *subsysnqn,
enum nvme_subsys_type type);