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Commit 40cf446b authored by Christoph Hellwig's avatar Christoph Hellwig Committed by J. Bruce Fields
Browse files

nfs4.h: add SCSI layout definitions 



Based on draft-ietf-nfsv4-scsi-layout-05 after the WG last call.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarJ. Bruce Fields <bfields@redhat.com>
parent a6ab1e81

include/linux/nfs4.h

+19 −0
Original line number Diff line number Diff line
@@ -529,6 +529,7 @@ enum pnfs_layouttype { 
	LAYOUT_OSD2_OBJECTS = 2,

	LAYOUT_BLOCK_VOLUME = 3,

	LAYOUT_FLEX_FILES = 4,

	LAYOUT_SCSI = 5,

	LAYOUT_TYPE_MAX

};
@@ -555,6 +556,7 @@ enum pnfs_block_volume_type { 
	PNFS_BLOCK_VOLUME_SLICE		= 1,

	PNFS_BLOCK_VOLUME_CONCAT	= 2,

	PNFS_BLOCK_VOLUME_STRIPE	= 3,

	PNFS_BLOCK_VOLUME_SCSI		= 4,

};



enum pnfs_block_extent_state {
@@ -568,6 +570,23 @@ enum pnfs_block_extent_state { 
#define PNFS_BLOCK_EXTENT_SIZE \

	(7 * sizeof(__be32) + NFS4_DEVICEID4_SIZE)



/* on the wire size of a scsi commit range */

#define PNFS_SCSI_RANGE_SIZE \

	(4 * sizeof(__be32))



enum scsi_code_set {

	PS_CODE_SET_BINARY	= 1,

	PS_CODE_SET_ASCII	= 2,

	PS_CODE_SET_UTF8	= 3

};



enum scsi_designator_type {

	PS_DESIGNATOR_T10	= 1,

	PS_DESIGNATOR_EUI64	= 2,

	PS_DESIGNATOR_NAA	= 3,

	PS_DESIGNATOR_NAME	= 8

};



#define NFL4_UFLG_MASK			0x0000003F

#define NFL4_UFLG_DENSE			0x00000001

#define NFL4_UFLG_COMMIT_THRU_MDS	0x00000002