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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: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
hifive-unleashed-5.1
Sagi Grimberg 2018-11-02 10:28:12 -07:00 committed by Jens Axboe
parent 103e515efa
commit 12b2117161
2 changed files with 5 additions and 1 deletions
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2
drivers/nvme/target/admin-cmd.c
View File

@ -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;

4
include/linux/nvme.h
View File

@ -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;