From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48350) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eyMV3-0004MU-D7 for qemu-devel@nongnu.org; Tue, 20 Mar 2018 15:00:46 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eyMV0-0005Ej-69 for qemu-devel@nongnu.org; Tue, 20 Mar 2018 15:00:45 -0400 Received: from aserp2130.oracle.com ([141.146.126.79]:39386) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1eyMUz-0005EW-TE for qemu-devel@nongnu.org; Tue, 20 Mar 2018 15:00:42 -0400 From: Yuval Shaia Date: Tue, 20 Mar 2018 21:00:22 +0200 Message-Id: <20180320190023.24077-2-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 1/2] hw/rdma: Add Query QP operation 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 operation is needed by rdma devices - implement it. 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 +++ 4 files changed, 35 insertions(+) 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, -- 2.13.6