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authorChaitanya Kulkarni <chaitanya.kulkarni@wdc.com>2018-08-08 09:01:05 +0300
committerChristoph Hellwig <hch@lst.de>2018-08-08 12:55:45 +0300
commit93045d5942da60801e71764597d448cf37a798c1 (patch)
treed4d4be3ede10beaa4fe2c329ee24f62cf1e62aa8 /include/linux/nvme.h
parent8b92d0e3d400390660a26ef7f475524700fb86cf (diff)
downloadlinux-93045d5942da60801e71764597d448cf37a798c1.tar.xz
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.h17
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,