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nvme: add I/O characteristics fields

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Several new fields have been introduced in version 1.4 of the NVMe spec
at offsets that were defined as reserved in version 1.3d of the NVMe
spec. Update the definition of the nvme_id_ns data structure such that
it is in sync with version 1.4 of the NVMe spec. This change preserves
backwards compatibility.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Bart Van Assche 2019-06-28 09:53:29 -07:00 committed by Christoph Hellwig
parent 9d05a96e29
commit 6605bdd59c
1 changed files with 9 additions and 3 deletions
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12
include/linux/nvme.h
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@ -315,7 +315,7 @@ struct nvme_id_ns {
__u8 nmic;
__u8 rescap;
__u8 fpi;
__u8 rsvd33;
__u8 dlfeat;
__le16 nawun;
__le16 nawupf;
__le16 nacwu;
@ -324,11 +324,17 @@ struct nvme_id_ns {
__le16 nabspf;
__le16 noiob;
__u8 nvmcap[16];
__u8 rsvd64[28];
__le16 npwg;
__le16 npwa;
__le16 npdg;
__le16 npda;
__le16 nows;
__u8 rsvd74[18];
__le32 anagrpid;
__u8 rsvd96[3];
__u8 nsattr;
__u8 rsvd100[4];
__le16 nvmsetid;
__le16 endgid;
__u8 nguid[16];
__u8 eui64[8];
struct nvme_lbaf lbaf[16];