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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-08-20 20:42:41 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-08-20 20:42:41 +0300
commit5c40cd7db64a2949f268d7467b9be551a565d14b (patch)
treefb8a67f6edcb0c9922c256a598d675c1c04051d6 /drivers/infiniband/sw/rxe/rxe_resp.c
parent8bde384a2090759efc9b92f34300887d418a2a3a (diff)
parent25bf10be219d37d2fb221c93816a913f5f735530 (diff)
downloadlinux-rolling-stable.tar.xz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/infiniband/sw/rxe/rxe_resp.c')
-rw-r--r--drivers/infiniband/sw/rxe/rxe_resp.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c
index 5d9174e408db..711f73e0bbb1 100644
--- a/drivers/infiniband/sw/rxe/rxe_resp.c
+++ b/drivers/infiniband/sw/rxe/rxe_resp.c
@@ -649,10 +649,6 @@ static enum resp_states process_flush(struct rxe_qp *qp,
struct rxe_mr *mr = qp->resp.mr;
struct resp_res *res = qp->resp.res;
- /* ODP is not supported right now. WIP. */
- if (is_odp_mr(mr))
- return RESPST_ERR_UNSUPPORTED_OPCODE;
-
/* oA19-14, oA19-15 */
if (res && res->replay)
return RESPST_ACKNOWLEDGE;
@@ -753,7 +749,16 @@ static enum resp_states atomic_write_reply(struct rxe_qp *qp,
value = *(u64 *)payload_addr(pkt);
iova = qp->resp.va + qp->resp.offset;
- err = rxe_mr_do_atomic_write(mr, iova, value);
+ /* See IBA oA19-28 */
+ if (unlikely(mr->state != RXE_MR_STATE_VALID)) {
+ rxe_dbg_mr(mr, "mr not in valid state\n");
+ return RESPST_ERR_RKEY_VIOLATION;
+ }
+
+ if (is_odp_mr(mr))
+ err = rxe_odp_do_atomic_write(mr, iova, value);
+ else
+ err = rxe_mr_do_atomic_write(mr, iova, value);
if (err)
return err;