63 lines
1.4 KiB
C
Executable file
63 lines
1.4 KiB
C
Executable file
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _NFSD_BLOCKLAYOUTXDR_H
|
|
#define _NFSD_BLOCKLAYOUTXDR_H 1
|
|
|
|
#include <linux/blkdev.h>
|
|
#include "xdr4.h"
|
|
|
|
struct iomap;
|
|
struct xdr_stream;
|
|
|
|
struct pnfs_block_extent {
|
|
struct nfsd4_deviceid vol_id;
|
|
u64 foff;
|
|
u64 len;
|
|
u64 soff;
|
|
enum pnfs_block_extent_state es;
|
|
};
|
|
|
|
struct pnfs_block_range {
|
|
u64 foff;
|
|
u64 len;
|
|
};
|
|
|
|
/*
|
|
* Random upper cap for the uuid length to avoid unbounded allocation.
|
|
* Not actually limited by the protocol.
|
|
*/
|
|
#define PNFS_BLOCK_UUID_LEN 128
|
|
|
|
struct pnfs_block_volume {
|
|
enum pnfs_block_volume_type type;
|
|
union {
|
|
struct {
|
|
u64 offset;
|
|
u32 sig_len;
|
|
u8 sig[PNFS_BLOCK_UUID_LEN];
|
|
} simple;
|
|
struct {
|
|
enum scsi_code_set code_set;
|
|
enum scsi_designator_type designator_type;
|
|
int designator_len;
|
|
u8 designator[256];
|
|
u64 pr_key;
|
|
} scsi;
|
|
};
|
|
};
|
|
|
|
struct pnfs_block_deviceaddr {
|
|
u32 nr_volumes;
|
|
struct pnfs_block_volume volumes[];
|
|
};
|
|
|
|
__be32 nfsd4_block_encode_getdeviceinfo(struct xdr_stream *xdr,
|
|
struct nfsd4_getdeviceinfo *gdp);
|
|
__be32 nfsd4_block_encode_layoutget(struct xdr_stream *xdr,
|
|
struct nfsd4_layoutget *lgp);
|
|
int nfsd4_block_decode_layoutupdate(__be32 *p, u32 len, struct iomap **iomapp,
|
|
u32 block_size);
|
|
int nfsd4_scsi_decode_layoutupdate(__be32 *p, u32 len, struct iomap **iomapp,
|
|
u32 block_size);
|
|
|
|
#endif /* _NFSD_BLOCKLAYOUTXDR_H */
|