diff options
| author | Yuval Shaia <yuval.shaia@oracle.com> | 2018-12-21 16:40:16 +0200 |
|---|---|---|
| committer | Marcel Apfelbaum <marcel.apfelbaum@gmail.com> | 2018-12-22 11:09:56 +0200 |
| commit | 4082e533f640426a91d1a08c3aeb6824cd65e28a (patch) | |
| tree | 02a4a059a1d167a9ba1966433a6ade3748c378fc /hw/rdma/vmw/pvrdma_qp_ops.c | |
| parent | a5d2f6f8773a8ce7534e79b067f135d55c6274cb (diff) | |
hw/rdma: Add ability to force notification without re-arm
Upon completion of incoming packet the device pushes CQE to driver's RX
ring and notify the driver (msix).
While for data-path incoming packets the driver needs the ability to
control whether it wished to receive interrupts or not, for control-path
packets such as incoming MAD the driver needs to be notified anyway, it
even do not need to re-arm the notification bit.
Enhance the notification field to support this.
Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com>
Reviewed-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Diffstat (limited to 'hw/rdma/vmw/pvrdma_qp_ops.c')
| -rw-r--r-- | hw/rdma/vmw/pvrdma_qp_ops.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/hw/rdma/vmw/pvrdma_qp_ops.c b/hw/rdma/vmw/pvrdma_qp_ops.c index c668afd0ed..762700a205 100644 --- a/hw/rdma/vmw/pvrdma_qp_ops.c +++ b/hw/rdma/vmw/pvrdma_qp_ops.c @@ -89,8 +89,10 @@ static int pvrdma_post_cqe(PVRDMADev *dev, uint32_t cq_handle, pvrdma_ring_write_inc(&dev->dsr_info.cq); pr_dbg("cq->notify=%d\n", cq->notify); - if (cq->notify) { - cq->notify = false; + if (cq->notify != CNT_CLEAR) { + if (cq->notify == CNT_ARM) { + cq->notify = CNT_CLEAR; + } post_interrupt(dev, INTR_VEC_CMD_COMPLETION_Q); } |