From: Hannes Reinecke <hare@suse.de>
Date: Wed, 22 Sep 2021 08:35:20 +0200
Subject: nvme: add CNTRLTYPE definitions for 'identify controller'
Patch-mainline: v5.16-rc1
Git-commit: e15a8a9755659ff5972f30de4dd64867c97f242d
References: bsc#1192761

Update the 'identify controller' structure to define the newly added
CNTRLTYPE field.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Daniel Wagner <dwagner@suse.de>
---
 include/linux/nvme.h |   10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -31,6 +31,12 @@ enum nvme_subsys_type {
 	NVME_NQN_NVME	= 2,		/* NVME type target subsystem */
 };
 
+enum nvme_ctrl_type {
+	NVME_CTRL_IO	= 1,		/* I/O controller */
+	NVME_CTRL_DISC	= 2,		/* Discovery controller */
+	NVME_CTRL_ADMIN	= 3,		/* Administrative controller */
+};
+
 /* Address Family codes for Discovery Log Page entry ADRFAM field */
 enum {
 	NVMF_ADDR_FAMILY_PCI	= 0,	/* PCIe */
@@ -238,7 +244,9 @@ struct nvme_id_ctrl {
 	__le32			rtd3e;
 	__le32			oaes;
 	__le32			ctratt;
-	__u8			rsvd100[28];
+	__u8			rsvd100[11];
+	__u8			cntrltype;
+	__u8			fguid[16];
 	__le16			crdt1;
 	__le16			crdt2;
 	__le16			crdt3;