[RFC PATCH 4/9] nvmet: add a controller "start" hook

[Ming Lin]

From: Ming Lin <ming.l at ssi.samsung.com>

This is used to execute controller specific start code

Signed-off-by: Ming Lin <ming.l at ssi.samsung.com>
---
 drivers/nvme/target/core.c  | 3 +++
 drivers/nvme/target/nvmet.h | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c
index 1bfef66..0a0fc48 100644
--- a/drivers/nvme/target/core.c
+++ b/drivers/nvme/target/core.c
@@ -251,6 +251,9 @@ static void nvmet_start_ctrl(struct nvmet_ctrl *ctrl)
 	}
 
 	ctrl->csts = NVME_CSTS_RDY;
+
+	if (ctrl->start)
+		ctrl->start(ctrl->opaque);
 }
 
 static void nvmet_clear_ctrl(struct nvmet_ctrl *ctrl)
diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h
index 9335584..eac008b 100644
--- a/drivers/nvme/target/nvmet.h
+++ b/drivers/nvme/target/nvmet.h
@@ -59,6 +59,9 @@ struct nvmet_ctrl {
 	struct kref		ref;
 #define NVMET_SUBSYS_NAME_LEN		256
 	char			subsys_name[NVMET_SUBSYS_NAME_LEN];
+
+	void			*opaque;
+	void			(*start)(void *);
 };
 
 struct nvmet_subsys {
-- 
1.9.1