hw/rdma: Add support for Query QP verb to pvrdma device
This IB verb is needed by some applications - implement it. Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com> Reviewed-by: Marcel Apfelbaum <marcel@redhat.com> Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
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@ -515,6 +515,28 @@ static int modify_qp(PVRDMADev *dev, union pvrdma_cmd_req *req,
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return rsp->hdr.err;
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return rsp->hdr.err;
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}
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}
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static int query_qp(PVRDMADev *dev, union pvrdma_cmd_req *req,
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union pvrdma_cmd_resp *rsp)
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{
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struct pvrdma_cmd_query_qp *cmd = &req->query_qp;
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struct pvrdma_cmd_query_qp_resp *resp = &rsp->query_qp_resp;
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struct ibv_qp_init_attr init_attr;
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pr_dbg("qp_handle=%d\n", cmd->qp_handle);
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memset(rsp, 0, sizeof(*rsp));
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rsp->hdr.response = cmd->hdr.response;
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rsp->hdr.ack = PVRDMA_CMD_QUERY_QP_RESP;
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rsp->hdr.err = rdma_rm_query_qp(&dev->rdma_dev_res, &dev->backend_dev,
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cmd->qp_handle,
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(struct ibv_qp_attr *)&resp->attrs, -1,
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&init_attr);
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pr_dbg("ret=%d\n", rsp->hdr.err);
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return rsp->hdr.err;
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}
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static int destroy_qp(PVRDMADev *dev, union pvrdma_cmd_req *req,
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static int destroy_qp(PVRDMADev *dev, union pvrdma_cmd_req *req,
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union pvrdma_cmd_resp *rsp)
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union pvrdma_cmd_resp *rsp)
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{
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{
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@ -636,7 +658,7 @@ static struct cmd_handler cmd_handlers[] = {
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{PVRDMA_CMD_DESTROY_CQ, destroy_cq},
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{PVRDMA_CMD_DESTROY_CQ, destroy_cq},
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{PVRDMA_CMD_CREATE_QP, create_qp},
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{PVRDMA_CMD_CREATE_QP, create_qp},
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{PVRDMA_CMD_MODIFY_QP, modify_qp},
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{PVRDMA_CMD_MODIFY_QP, modify_qp},
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{PVRDMA_CMD_QUERY_QP, NULL},
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{PVRDMA_CMD_QUERY_QP, query_qp},
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{PVRDMA_CMD_DESTROY_QP, destroy_qp},
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{PVRDMA_CMD_DESTROY_QP, destroy_qp},
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{PVRDMA_CMD_CREATE_UC, create_uc},
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{PVRDMA_CMD_CREATE_UC, create_uc},
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{PVRDMA_CMD_DESTROY_UC, destroy_uc},
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{PVRDMA_CMD_DESTROY_UC, destroy_uc},
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