diff options
Diffstat (limited to 'net/sunrpc/xprtrdma/svc_rdma_marshal.c')
-rw-r--r-- | net/sunrpc/xprtrdma/svc_rdma_marshal.c | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/net/sunrpc/xprtrdma/svc_rdma_marshal.c b/net/sunrpc/xprtrdma/svc_rdma_marshal.c index 1c4aabf0f657..bdcf7d85a3dc 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_marshal.c +++ b/net/sunrpc/xprtrdma/svc_rdma_marshal.c @@ -166,92 +166,3 @@ out_inval: dprintk("svcrdma: failed to parse transport header\n"); return -EINVAL; } - -int svc_rdma_xdr_encode_error(struct svcxprt_rdma *xprt, - struct rpcrdma_msg *rmsgp, - enum rpcrdma_errcode err, __be32 *va) -{ - __be32 *startp = va; - - *va++ = rmsgp->rm_xid; - *va++ = rmsgp->rm_vers; - *va++ = xprt->sc_fc_credits; - *va++ = rdma_error; - *va++ = cpu_to_be32(err); - if (err == ERR_VERS) { - *va++ = rpcrdma_version; - *va++ = rpcrdma_version; - } - - return (int)((unsigned long)va - (unsigned long)startp); -} - -/** - * svc_rdma_xdr_get_reply_hdr_length - Get length of Reply transport header - * @rdma_resp: buffer containing Reply transport header - * - * Returns length of transport header, in bytes. - */ -unsigned int svc_rdma_xdr_get_reply_hdr_len(__be32 *rdma_resp) -{ - unsigned int nsegs; - __be32 *p; - - p = rdma_resp; - - /* RPC-over-RDMA V1 replies never have a Read list. */ - p += rpcrdma_fixed_maxsz + 1; - - /* Skip Write list. */ - while (*p++ != xdr_zero) { - nsegs = be32_to_cpup(p++); - p += nsegs * rpcrdma_segment_maxsz; - } - - /* Skip Reply chunk. */ - if (*p++ != xdr_zero) { - nsegs = be32_to_cpup(p++); - p += nsegs * rpcrdma_segment_maxsz; - } - - return (unsigned long)p - (unsigned long)rdma_resp; -} - -void svc_rdma_xdr_encode_write_list(struct rpcrdma_msg *rmsgp, int chunks) -{ - struct rpcrdma_write_array *ary; - - /* no read-list */ - rmsgp->rm_body.rm_chunks[0] = xdr_zero; - - /* write-array discrim */ - ary = (struct rpcrdma_write_array *) - &rmsgp->rm_body.rm_chunks[1]; - ary->wc_discrim = xdr_one; - ary->wc_nchunks = cpu_to_be32(chunks); - - /* write-list terminator */ - ary->wc_array[chunks].wc_target.rs_handle = xdr_zero; - - /* reply-array discriminator */ - ary->wc_array[chunks].wc_target.rs_length = xdr_zero; -} - -void svc_rdma_xdr_encode_reply_array(struct rpcrdma_write_array *ary, - int chunks) -{ - ary->wc_discrim = xdr_one; - ary->wc_nchunks = cpu_to_be32(chunks); -} - -void svc_rdma_xdr_encode_array_chunk(struct rpcrdma_write_array *ary, - int chunk_no, - __be32 rs_handle, - __be64 rs_offset, - u32 write_len) -{ - struct rpcrdma_segment *seg = &ary->wc_array[chunk_no].wc_target; - seg->rs_handle = rs_handle; - seg->rs_offset = rs_offset; - seg->rs_length = cpu_to_be32(write_len); -} |