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-rw-r--r--drivers/nvme/host/nvme.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 2ee91a3dd8e0..92629758b77c 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -181,6 +181,20 @@ static inline u16 nvme_req_qid(struct request *req)
*/
#define NVME_QUIRK_DELAY_AMOUNT 2300
+/*
+ * enum nvme_ctrl_state: Controller state
+ *
+ * @NVME_CTRL_NEW: New controller just allocated, initial state
+ * @NVME_CTRL_LIVE: Controller is connected and I/O capable
+ * @NVME_CTRL_RESETTING: Controller is resetting (or scheduled reset)
+ * @NVME_CTRL_CONNECTING: Controller is disconnected, now connecting the
+ * transport
+ * @NVME_CTRL_DELETING: Controller is deleting (or scheduled deletion)
+ * @NVME_CTRL_DEAD: Controller is non-present/unresponsive during
+ * shutdown or removal. In this case we forcibly
+ * kill all inflight I/O as they have no chance to
+ * complete
+ */
enum nvme_ctrl_state {
NVME_CTRL_NEW,
NVME_CTRL_LIVE,