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Commit 12b21171 authored by Sagi Grimberg's avatar Sagi Grimberg Committed by Jens Axboe
Browse files

nvme: introduce ctrl attributes enumeration 



We are growing more controller attributes, so use a proper enumeration
for it.  For now just add the 128-bit hostid which we support.

Reviewed-by: default avatarChaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: default avatarHannes Reinecke <hare@suse.com>
Signed-off-by: default avatarSagi Grimberg <sagi@grimberg.me>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 103e515e

drivers/nvme/target/admin-cmd.c

+1 −1
Original line number Diff line number Diff line
@@ -304,7 +304,7 @@ static void nvmet_execute_identify_ctrl(struct nvmet_req *req) 


	/* XXX: figure out what to do about RTD3R/RTD3 */

	id->oaes = cpu_to_le32(NVMET_AEN_CFG_OPTIONAL);

	id->ctratt = cpu_to_le32(1 << 0);

	id->ctratt = cpu_to_le32(NVME_CTRL_ATTR_HID_128_BIT);



	id->oacs = 0;

include/linux/nvme.h

+4 −0
Original line number Diff line number Diff line
@@ -198,6 +198,10 @@ enum { 
	NVME_PS_FLAGS_NON_OP_STATE	= 1 << 1,

};



enum nvme_ctrl_attr {

	NVME_CTRL_ATTR_HID_128_BIT	= (1 << 0),

};



struct nvme_id_ctrl {

	__le16			vid;

	__le16			ssvid;