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nfs4.h: add SCSI layout definitions 

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

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Christoph Hellwig 2016-03-04 20:46:14 +01:00 committed by J. Bruce Fields
parent a6ab1e8126
commit 40cf446b94
1 changed files with 19 additions and 0 deletions
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19
include/linux/nfs4.h
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@ -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