diff options
Diffstat (limited to 'include/linux/sunrpc')
| -rw-r--r-- | include/linux/sunrpc/rpc_rdma.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/include/linux/sunrpc/rpc_rdma.h b/include/linux/sunrpc/rpc_rdma.h index 320c672d84de..db50380f64f4 100644 --- a/include/linux/sunrpc/rpc_rdma.h +++ b/include/linux/sunrpc/rpc_rdma.h @@ -124,4 +124,41 @@ rpcrdma_decode_buffer_size(u8 val) return ((unsigned int)val + 1) << 10; } +/** + * xdr_decode_rdma_segment - Decode contents of an RDMA segment + * @p: Pointer to the undecoded RDMA segment + * @handle: Upon return, the RDMA handle + * @length: Upon return, the RDMA length + * @offset: Upon return, the RDMA offset + * + * Return value: + * Pointer to the XDR item that follows the RDMA segment + */ +static inline __be32 *xdr_decode_rdma_segment(__be32 *p, u32 *handle, + u32 *length, u64 *offset) +{ + *handle = be32_to_cpup(p++); + *length = be32_to_cpup(p++); + return xdr_decode_hyper(p, offset); +} + +/** + * xdr_decode_read_segment - Decode contents of a Read segment + * @p: Pointer to the undecoded Read segment + * @position: Upon return, the segment's position + * @handle: Upon return, the RDMA handle + * @length: Upon return, the RDMA length + * @offset: Upon return, the RDMA offset + * + * Return value: + * Pointer to the XDR item that follows the Read segment + */ +static inline __be32 *xdr_decode_read_segment(__be32 *p, u32 *position, + u32 *handle, u32 *length, + u64 *offset) +{ + *position = be32_to_cpup(p++); + return xdr_decode_rdma_segment(p, handle, length, offset); +} + #endif /* _LINUX_SUNRPC_RPC_RDMA_H */ |