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