From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:35999) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ezP0H-0008Cp-2I for qemu-devel@nongnu.org; Fri, 23 Mar 2018 11:53:18 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ezP0G-0007dr-5j for qemu-devel@nongnu.org; Fri, 23 Mar 2018 11:53:17 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:54822 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ezP0G-0007dZ-0f for qemu-devel@nongnu.org; Fri, 23 Mar 2018 11:53:16 -0400 From: Marcel Apfelbaum Date: Fri, 23 Mar 2018 18:53:00 +0300 Message-Id: <20180323155306.83812-3-marcel@redhat.com> In-Reply-To: <20180323155306.83812-1-marcel@redhat.com> References: <20180323155306.83812-1-marcel@redhat.com> Subject: [Qemu-devel] [PATCH PULL 2/8] hw/rdma: Add support for Query QP verb to pvrdma device List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org, yuval.shaia@oracle.com, mst@redhat.com, marcel@redhat.com, f4bug@amsat.org, eblake@redhat.com, berrange@redhat.com, stefanha@redhat.com From: Yuval Shaia This IB verb is needed by some applications - implement it. Signed-off-by: Yuval Shaia Reviewed-by: Marcel Apfelbaum Signed-off-by: Marcel Apfelbaum --- 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}, -- 2.13.5