* @seg: memory region co-ordinates
* @nsegs: number of segments remaining
* @writing: true when RDMA Write will be used
+ * @xid: XID of RPC using the registered memory
* @out: initialized MR
*
* Prepare a REG_MR Work Request to register a memory region
*/
struct rpcrdma_mr_seg *frwr_map(struct rpcrdma_xprt *r_xprt,
struct rpcrdma_mr_seg *seg,
- int nsegs, bool writing,
+ int nsegs, bool writing, u32 xid,
struct rpcrdma_mr **out)
{
struct rpcrdma_ia *ia = &r_xprt->rx_ia;
if (unlikely(n != mr->mr_nents))
goto out_mapmr_err;
+ ibmr->iova &= 0x00000000ffffffff;
+ ibmr->iova |= ((u64)cpu_to_be32(xid)) << 32;
key = (u8)(ibmr->rkey & 0x000000FF);
ib_update_fast_reg_key(ibmr, ++key);
return nsegs;
do {
- seg = frwr_map(r_xprt, seg, nsegs, false, &mr);
+ seg = frwr_map(r_xprt, seg, nsegs, false, rqst->rq_xid, &mr);
if (IS_ERR(seg))
return PTR_ERR(seg);
rpcrdma_mr_push(mr, &req->rl_registered);
nchunks = 0;
do {
- seg = frwr_map(r_xprt, seg, nsegs, true, &mr);
+ seg = frwr_map(r_xprt, seg, nsegs, true, rqst->rq_xid, &mr);
if (IS_ERR(seg))
return PTR_ERR(seg);
rpcrdma_mr_push(mr, &req->rl_registered);
nchunks = 0;
do {
- seg = frwr_map(r_xprt, seg, nsegs, true, &mr);
+ seg = frwr_map(r_xprt, seg, nsegs, true, rqst->rq_xid, &mr);
if (IS_ERR(seg))
return PTR_ERR(seg);
rpcrdma_mr_push(mr, &req->rl_registered);
size_t frwr_maxpages(struct rpcrdma_xprt *r_xprt);
struct rpcrdma_mr_seg *frwr_map(struct rpcrdma_xprt *r_xprt,
struct rpcrdma_mr_seg *seg,
- int nsegs, bool writing,
+ int nsegs, bool writing, u32 xid,
struct rpcrdma_mr **mr);
int frwr_send(struct rpcrdma_ia *ia, struct rpcrdma_req *req);
void frwr_reminv(struct rpcrdma_rep *rep, struct list_head *mrs);