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| author | Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> | 2018-08-07 23:01:05 -0700 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2018-08-08 11:55:45 +0200 |
| commit | 93045d5942da60801e71764597d448cf37a798c1 (patch) | |
| tree | d4d4be3ede10beaa4fe2c329ee24f62cf1e62aa8 /include/linux/nvme.h | |
| parent | 8b92d0e3d400390660a26ef7f475524700fb86cf (diff) | |
| download | lwn-93045d5942da60801e71764597d448cf37a798c1.tar.gz lwn-93045d5942da60801e71764597d448cf37a798c1.zip | |
nvme.h: add support for ns write protect definitions
Add various definitions from NVMe 1.3 TP 4005.
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'include/linux/nvme.h')
| -rw-r--r-- | include/linux/nvme.h | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/include/linux/nvme.h b/include/linux/nvme.h index a661861e9d56..68e91ef5494c 100644 --- a/include/linux/nvme.h +++ b/include/linux/nvme.h @@ -259,7 +259,7 @@ struct nvme_id_ctrl { __le16 awun; __le16 awupf; __u8 nvscc; - __u8 rsvd531; + __u8 nwpc; __le16 acwu; __u8 rsvd534[2]; __le32 sgls; @@ -320,7 +320,9 @@ struct nvme_id_ns { __u8 nvmcap[16]; __u8 rsvd64[28]; __le32 anagrpid; - __u8 rsvd96[8]; + __u8 rsvd96[3]; + __u8 nsattr; + __u8 rsvd100[4]; __u8 nguid[16]; __u8 eui64[8]; struct nvme_lbaf lbaf[16]; @@ -794,6 +796,7 @@ enum { NVME_FEAT_HOST_ID = 0x81, NVME_FEAT_RESV_MASK = 0x82, NVME_FEAT_RESV_PERSIST = 0x83, + NVME_FEAT_WRITE_PROTECT = 0x84, NVME_LOG_ERROR = 0x01, NVME_LOG_SMART = 0x02, NVME_LOG_FW_SLOT = 0x03, @@ -807,6 +810,14 @@ enum { NVME_FWACT_ACTV = (2 << 3), }; +/* NVMe Namespace Write Protect State */ +enum { + NVME_NS_NO_WRITE_PROTECT = 0, + NVME_NS_WRITE_PROTECT, + NVME_NS_WRITE_PROTECT_POWER_CYCLE, + NVME_NS_WRITE_PROTECT_PERMANENT, +}; + #define NVME_MAX_CHANGED_NAMESPACES 1024 struct nvme_identify { @@ -1153,6 +1164,8 @@ enum { NVME_SC_SGL_INVALID_OFFSET = 0x16, NVME_SC_SGL_INVALID_SUBTYPE = 0x17, + NVME_SC_NS_WRITE_PROTECTED = 0x20, + NVME_SC_LBA_RANGE = 0x80, NVME_SC_CAP_EXCEEDED = 0x81, NVME_SC_NS_NOT_READY = 0x82, |