From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48356) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eyMV4-0004Mf-MX for qemu-devel@nongnu.org; Tue, 20 Mar 2018 15:00:50 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eyMV1-0005Ey-A9 for qemu-devel@nongnu.org; Tue, 20 Mar 2018 15:00:46 -0400 Received: from userp2120.oracle.com ([156.151.31.85]:41932) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1eyMV1-0005En-1A for qemu-devel@nongnu.org; Tue, 20 Mar 2018 15:00:43 -0400 From: Yuval Shaia Date: Tue, 20 Mar 2018 21:00:23 +0200 Message-Id: <20180320190023.24077-3-yuval.shaia@oracle.com> In-Reply-To: <20180320190023.24077-1-yuval.shaia@oracle.com> References: <20180320190023.24077-1-yuval.shaia@oracle.com> Subject: [Qemu-devel] [PATCH v1 2/2] hw/rdma: Add support for Query QP verb to pvrdma device List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: yuval.shaia@oracle.com, marcel@redhat.com, qemu-devel@nongnu.org This IB verb is needed by some applications - implement it. Signed-off-by: Yuval Shaia --- hw/rdma/vmw/pvrdma_cmd.c | 24 +++++++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) diff --git a/hw/rdma/vmw/pvrdma_cmd.c b/hw/rdma/vmw/pvrdma_cmd.c index 293dfed29f..cf8c50af31 100644 --- a/hw/rdma/vmw/pvrdma_cmd.c +++ b/hw/rdma/vmw/pvrdma_cmd.c @@ -515,6 +515,28 @@ static int modify_qp(PVRDMADev *dev, union pvrdma_cmd_req *req, return rsp->hdr.err; } +static int query_qp(PVRDMADev *dev, union pvrdma_cmd_req *req, + union pvrdma_cmd_resp *rsp) +{ + struct pvrdma_cmd_query_qp *cmd = &req->query_qp; + struct pvrdma_cmd_query_qp_resp *resp = &rsp->query_qp_resp; + struct ibv_qp_init_attr init_attr; + + pr_dbg("qp_handle=%d\n", cmd->qp_handle); + + memset(rsp, 0, sizeof(*rsp)); + rsp->hdr.response = cmd->hdr.response; + rsp->hdr.ack = PVRDMA_CMD_QUERY_QP_RESP; + + rsp->hdr.err = rdma_rm_query_qp(&dev->rdma_dev_res, &dev->backend_dev, + cmd->qp_handle, + (struct ibv_qp_attr *)&resp->attrs, -1, + &init_attr); + + pr_dbg("ret=%d\n", rsp->hdr.err); + return rsp->hdr.err; +} + static int destroy_qp(PVRDMADev *dev, union pvrdma_cmd_req *req, union pvrdma_cmd_resp *rsp) { @@ -636,7 +658,7 @@ static struct cmd_handler cmd_handlers[] = { {PVRDMA_CMD_DESTROY_CQ, destroy_cq}, {PVRDMA_CMD_CREATE_QP, create_qp}, {PVRDMA_CMD_MODIFY_QP, modify_qp}, - {PVRDMA_CMD_QUERY_QP, NULL}, + {PVRDMA_CMD_QUERY_QP, query_qp}, {PVRDMA_CMD_DESTROY_QP, destroy_qp}, {PVRDMA_CMD_CREATE_UC, create_uc}, {PVRDMA_CMD_DESTROY_UC, destroy_uc}, -- 2.13.6