1 #ifndef _NFSD_BLOCKLAYOUTXDR_H
2 #define _NFSD_BLOCKLAYOUTXDR_H 1
4 #include <linux/blkdev.h>
10 struct pnfs_block_extent {
11 struct nfsd4_deviceid vol_id;
15 enum pnfs_block_extent_state es;
18 struct pnfs_block_range {
24 * Random upper cap for the uuid length to avoid unbounded allocation.
25 * Not actually limited by the protocol.
27 #define PNFS_BLOCK_UUID_LEN 128
29 struct pnfs_block_volume {
30 enum pnfs_block_volume_type type;
35 u8 sig[PNFS_BLOCK_UUID_LEN];
38 enum scsi_code_set code_set;
39 enum scsi_designator_type designator_type;
47 struct pnfs_block_deviceaddr {
49 struct pnfs_block_volume volumes[];
52 __be32 nfsd4_block_encode_getdeviceinfo(struct xdr_stream *xdr,
53 struct nfsd4_getdeviceinfo *gdp);
54 __be32 nfsd4_block_encode_layoutget(struct xdr_stream *xdr,
55 struct nfsd4_layoutget *lgp);
56 int nfsd4_block_decode_layoutupdate(__be32 *p, u32 len, struct iomap **iomapp,
58 int nfsd4_scsi_decode_layoutupdate(__be32 *p, u32 len, struct iomap **iomapp,
61 #endif /* _NFSD_BLOCKLAYOUTXDR_H */