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>

diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h
index d6f9b4e6006d0f3013a1386321685b01bd5e45c6..011433478a14811dbac1faaed622d3b5599aeb96 100644 (file)
--- a/include/linux/nfs4.h
+++ b/include/linux/nfs4.h
@@ -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