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Tue, 20 Mar 2018 18:45:14 GMT Received: from localhost.localdomain (/77.138.186.148) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 20 Mar 2018 11:45:13 -0700 From: Yuval Shaia To: yuval.shaia@oracle.com, marcel@redhat.com, qemu-devel@nongnu.org Date: Tue, 20 Mar 2018 20:45:01 +0200 Message-Id: <20180320184501.23447-1-yuval.shaia@oracle.com> X-Mailer: git-send-email 2.13.6 X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=8838 signatures=668695 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1711220000 definitions=main-1803200127 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 156.151.31.85 Subject: [Qemu-devel] [PATCH] hw/rdma: Implementation of Query QP command X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Yuval Shaia --- hw/rdma/rdma_backend.c | 12 ++++++++++++ hw/rdma/rdma_backend.h | 2 ++ hw/rdma/rdma_rm.c | 18 ++++++++++++++++++ hw/rdma/rdma_rm.h | 3 +++ hw/rdma/vmw/pvrdma_cmd.c | 24 +++++++++++++++++++++++- 5 files changed, 58 insertions(+), 1 deletion(-) diff --git a/hw/rdma/rdma_backend.c b/hw/rdma/rdma_backend.c index ae7589c190..da2c8671e5 100644 --- a/hw/rdma/rdma_backend.c +++ b/hw/rdma/rdma_backend.c @@ -646,6 +646,18 @@ int rdma_backend_qp_state_rts(RdmaBackendQP *qp, uint8_t qp_type, return 0; } +int rdma_backend_query_qp(RdmaBackendQP *qp, struct ibv_qp_attr *attr, + int attr_mask, struct ibv_qp_init_attr *init_attr) +{ + if (!qp->ibqp) { + pr_dbg("QP1\n"); + attr->qp_state = IBV_QPS_RTS; + return 0; + } + + return ibv_query_qp(qp->ibqp, attr, attr_mask, init_attr); +} + void rdma_backend_destroy_qp(RdmaBackendQP *qp) { if (qp->ibqp) { diff --git a/hw/rdma/rdma_backend.h b/hw/rdma/rdma_backend.h index 07f6fed768..6d9b45efe8 100644 --- a/hw/rdma/rdma_backend.h +++ b/hw/rdma/rdma_backend.h @@ -83,6 +83,8 @@ int rdma_backend_qp_state_rtr(RdmaBackendDev *backend_dev, RdmaBackendQP *qp, bool use_qkey); int rdma_backend_qp_state_rts(RdmaBackendQP *qp, uint8_t qp_type, uint32_t sq_psn, uint32_t qkey, bool use_qkey); +int rdma_backend_query_qp(RdmaBackendQP *qp, struct ibv_qp_attr *attr, + int attr_mask, struct ibv_qp_init_attr *init_attr); void rdma_backend_destroy_qp(RdmaBackendQP *qp); void rdma_backend_post_send(RdmaBackendDev *backend_dev, diff --git a/hw/rdma/rdma_rm.c b/hw/rdma/rdma_rm.c index 296e40518e..a4e1de31fd 100644 --- a/hw/rdma/rdma_rm.c +++ b/hw/rdma/rdma_rm.c @@ -453,6 +453,24 @@ int rdma_rm_modify_qp(RdmaDeviceResources *dev_res, RdmaBackendDev *backend_dev, return 0; } +int rdma_rm_query_qp(RdmaDeviceResources *dev_res, RdmaBackendDev *backend_dev, + uint32_t qp_handle, struct ibv_qp_attr *attr, + int attr_mask, struct ibv_qp_init_attr *init_attr) +{ + RdmaRmQP *qp; + + pr_dbg("qpn=%d\n", qp_handle); + + qp = rdma_rm_get_qp(dev_res, qp_handle); + if (!qp) { + return -EINVAL; + } + + pr_dbg("qp_type=%d\n", qp->qp_type); + + return rdma_backend_query_qp(&qp->backend_qp, attr, attr_mask, init_attr); +} + void rdma_rm_dealloc_qp(RdmaDeviceResources *dev_res, uint32_t qp_handle) { RdmaRmQP *qp; diff --git a/hw/rdma/rdma_rm.h b/hw/rdma/rdma_rm.h index be95c1b0f4..0528c1972b 100644 --- a/hw/rdma/rdma_rm.h +++ b/hw/rdma/rdma_rm.h @@ -59,6 +59,9 @@ int rdma_rm_modify_qp(RdmaDeviceResources *dev_res, RdmaBackendDev *backend_dev, union ibv_gid *dgid, uint32_t dqpn, enum ibv_qp_state qp_state, uint32_t qkey, uint32_t rq_psn, uint32_t sq_psn); +int rdma_rm_query_qp(RdmaDeviceResources *dev_res, RdmaBackendDev *backend_dev, + uint32_t qp_handle, struct ibv_qp_attr *attr, + int attr_mask, struct ibv_qp_init_attr *init_attr); void rdma_rm_dealloc_qp(RdmaDeviceResources *dev_res, uint32_t qp_handle); int rdma_rm_alloc_cqe_ctx(RdmaDeviceResources *dev_res, uint32_t *cqe_ctx_id, 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},