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Commit 93045d59 authored by Chaitanya Kulkarni's avatar Chaitanya Kulkarni Committed by Christoph Hellwig
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nvme.h: add support for ns write protect definitions 



Add various definitions from NVMe 1.3 TP 4005.

Signed-off-by: default avatarChaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent 8b92d0e3

include/linux/nvme.h

+15 −2
Original line number Diff line number Diff line
@@ -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,