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hw/pvrdma: Add support for SRQ

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Implement the pvrdma device commands for supporting SRQ

Signed-off-by: Kamal Heib <kamalheib1@gmail.com>
Message-Id: <20190403113343.26384-5-kamalheib1@gmail.com>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
This commit is contained in:
Kamal Heib 2019-04-03 14:33:43 +03:00 • committed by Marcel Apfelbaum
parent 8b42cfab82
commit 355b7cf356
4 changed files with 209 additions and 1 deletions
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46
hw/rdma/vmw/pvrdma_qp_ops.c
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@ -70,7 +70,7 @@ static int pvrdma_post_cqe(PVRDMADev *dev, uint32_t cq_handle,
memset(cqe1, 0, sizeof(*cqe1));
cqe1->wr_id = cqe->wr_id;
cqe1->qp = cqe->qp;
cqe1->qp = cqe->qp ? cqe->qp : wc->qp_num;
cqe1->opcode = cqe->opcode;
cqe1->status = wc->status;
cqe1->byte_len = wc->byte_len;
@ -241,6 +241,50 @@ void pvrdma_qp_recv(PVRDMADev *dev, uint32_t qp_handle)
}
}
void pvrdma_srq_recv(PVRDMADev *dev, uint32_t srq_handle)
{
RdmaRmSRQ *srq;
PvrdmaRqWqe *wqe;
PvrdmaRing *ring;
srq = rdma_rm_get_srq(&dev->rdma_dev_res, srq_handle);
if (unlikely(!srq)) {
return;
}
ring = (PvrdmaRing *)srq->opaque;
wqe = (struct PvrdmaRqWqe *)pvrdma_ring_next_elem_read(ring);
while (wqe) {
CompHandlerCtx *comp_ctx;
/* Prepare CQE */
comp_ctx = g_malloc(sizeof(CompHandlerCtx));
comp_ctx->dev = dev;
comp_ctx->cq_handle = srq->recv_cq_handle;
comp_ctx->cqe.wr_id = wqe->hdr.wr_id;
comp_ctx->cqe.qp = 0;
comp_ctx->cqe.opcode = IBV_WC_RECV;
if (wqe->hdr.num_sge > dev->dev_attr.max_sge) {
rdma_error_report("Invalid num_sge=%d (max %d)", wqe->hdr.num_sge,
dev->dev_attr.max_sge);
complete_with_error(VENDOR_ERR_INV_NUM_SGE, comp_ctx);
continue;
}
rdma_backend_post_srq_recv(&dev->backend_dev, &srq->backend_srq,
(struct ibv_sge *)&wqe->sge[0],
wqe->hdr.num_sge,
comp_ctx);
pvrdma_ring_read_inc(ring);
wqe = pvrdma_ring_next_elem_read(ring);
}
}
void pvrdma_cq_poll(RdmaDeviceResources *dev_res, uint32_t cq_handle)
{
RdmaRmCQ *cq;