C++ (Cpp) rdma_rm_get_cq Examples

Example #1

File: pvrdma_cmd.c Project: JayFoxRox/xqemu

static int destroy_cq(PVRDMADev *dev, union pvrdma_cmd_req *req,
                      union pvrdma_cmd_resp *rsp)
{
    struct pvrdma_cmd_destroy_cq *cmd = &req->destroy_cq;
    RdmaRmCQ *cq;
    PvrdmaRing *ring;

    pr_dbg("cq_handle=%d\n", cmd->cq_handle);

    cq = rdma_rm_get_cq(&dev->rdma_dev_res, cmd->cq_handle);
    if (!cq) {
        pr_dbg("Invalid CQ handle\n");
        return -EINVAL;
    }

    ring = (PvrdmaRing *)cq->opaque;
    pvrdma_ring_free(ring);
    /* ring_state was in slot 1, not 0 so need to jump back */
    rdma_pci_dma_unmap(PCI_DEVICE(dev), --ring->ring_state, TARGET_PAGE_SIZE);
    g_free(ring);

    rdma_rm_dealloc_cq(&dev->rdma_dev_res, cmd->cq_handle);

    return 0;
}

Example #2

File: rdma_rm.c Project: CRYP706URU/pyrebox

void rdma_rm_dealloc_cq(RdmaDeviceResources *dev_res, uint32_t cq_handle)
{
    RdmaRmCQ *cq;

    cq = rdma_rm_get_cq(dev_res, cq_handle);
    if (!cq) {
        return;
    }

    rdma_backend_destroy_cq(&cq->backend_cq);

    res_tbl_dealloc(&dev_res->cq_tbl, cq_handle);
}

Example #3

File: rdma_rm.c Project: CRYP706URU/pyrebox

void rdma_rm_req_notify_cq(RdmaDeviceResources *dev_res, uint32_t cq_handle,
                           bool notify)
{
    RdmaRmCQ *cq;

    pr_dbg("cq_handle=%d, notify=0x%x\n", cq_handle, notify);

    cq = rdma_rm_get_cq(dev_res, cq_handle);
    if (!cq) {
        return;
    }

    cq->notify = notify;
    pr_dbg("notify=%d\n", cq->notify);
}

Example #4

File: rdma_rm.c Project: CRYP706URU/pyrebox

int rdma_rm_alloc_qp(RdmaDeviceResources *dev_res, uint32_t pd_handle,
                     uint8_t qp_type, uint32_t max_send_wr,
                     uint32_t max_send_sge, uint32_t send_cq_handle,
                     uint32_t max_recv_wr, uint32_t max_recv_sge,
                     uint32_t recv_cq_handle, void *opaque, uint32_t *qpn)
{
    int rc;
    RdmaRmQP *qp;
    RdmaRmCQ *scq, *rcq;
    RdmaRmPD *pd;
    uint32_t rm_qpn;

    pr_dbg("qp_type=%d\n", qp_type);

    pd = rdma_rm_get_pd(dev_res, pd_handle);
    if (!pd) {
        pr_err("Invalid pd handle (%d)\n", pd_handle);
        return -EINVAL;
    }

    scq = rdma_rm_get_cq(dev_res, send_cq_handle);
    rcq = rdma_rm_get_cq(dev_res, recv_cq_handle);

    if (!scq || !rcq) {
        pr_err("Invalid send_cqn or recv_cqn (%d, %d)\n",
               send_cq_handle, recv_cq_handle);
        return -EINVAL;
    }

    qp = res_tbl_alloc(&dev_res->qp_tbl, &rm_qpn);
    if (!qp) {
        return -ENOMEM;
    }
    pr_dbg("rm_qpn=%d\n", rm_qpn);

    qp->qpn = rm_qpn;
    qp->qp_state = IBV_QPS_RESET;
    qp->qp_type = qp_type;
    qp->send_cq_handle = send_cq_handle;
    qp->recv_cq_handle = recv_cq_handle;
    qp->opaque = opaque;

    rc = rdma_backend_create_qp(&qp->backend_qp, qp_type, &pd->backend_pd,
                                &scq->backend_cq, &rcq->backend_cq, max_send_wr,
                                max_recv_wr, max_send_sge, max_recv_sge);
    if (rc) {
        rc = -EIO;
        goto out_dealloc_qp;
    }

    *qpn = rdma_backend_qpn(&qp->backend_qp);
    pr_dbg("rm_qpn=%d, backend_qpn=0x%x\n", rm_qpn, *qpn);
    g_hash_table_insert(dev_res->qp_hash, g_bytes_new(qpn, sizeof(*qpn)), qp);

    return 0;

out_dealloc_qp:
    res_tbl_dealloc(&dev_res->qp_tbl, qp->qpn);

    return rc;
}