On Sep 22, 2021, at 1:35 AM, Hannes Reinecke [off-list ref] wrote:

Update the 'identify controller' structure to define the missing
CNTRLTYPE field.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
---
include/linux/nvme.h | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index b7c4c4130b65..ed2428918bca 100644
--- 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 */

@@ -244,7 +250,9 @@ 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;
-- 
2.29.2


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