From patchwork Thu Aug 29 07:59:58 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Coquelin X-Patchwork-Id: 58231 X-Patchwork-Delegate: maxime.coquelin@redhat.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id AA4531E4DD; Thu, 29 Aug 2019 10:01:04 +0200 (CEST) Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by dpdk.org (Postfix) with ESMTP id 53C1B1E4D3; Thu, 29 Aug 2019 10:01:02 +0200 (CEST) Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id AC0D410F23E8; Thu, 29 Aug 2019 08:01:01 +0000 (UTC) Received: from localhost.localdomain (ovpn-112-52.ams2.redhat.com [10.36.112.52]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6CCC55D6B2; Thu, 29 Aug 2019 08:00:59 +0000 (UTC) From: Maxime Coquelin To: tiwei.bie@intel.com, zhihong.wang@intel.com, amorenoz@redhat.com, xiao.w.wang@intel.com, dev@dpdk.org, jfreimann@redhat.com Cc: stable@dpdk.org, Maxime Coquelin Date: Thu, 29 Aug 2019 09:59:58 +0200 Message-Id: <20190829080000.20806-14-maxime.coquelin@redhat.com> In-Reply-To: <20190829080000.20806-1-maxime.coquelin@redhat.com> References: <20190829080000.20806-1-maxime.coquelin@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.6.2 (mx1.redhat.com [10.5.110.66]); Thu, 29 Aug 2019 08:01:01 +0000 (UTC) Subject: [dpdk-dev] [PATCH 13/15] net/virtio: add vDPA ops to get VFIO FDs X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" This patch implements the vDPA .get_vfio_group_fd() and .get_vfio_device_fd() callbacks. Signed-off-by: Maxime Coquelin Reviewed-by: Tiwei Bie --- drivers/net/virtio/virtio_vdpa.c | 34 ++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/drivers/net/virtio/virtio_vdpa.c b/drivers/net/virtio/virtio_vdpa.c index 9b61688a1..e0b2f99ba 100644 --- a/drivers/net/virtio/virtio_vdpa.c +++ b/drivers/net/virtio/virtio_vdpa.c @@ -675,6 +675,38 @@ virtio_vdpa_set_features(int vid) return 0; } +static int +virtio_vdpa_get_vfio_group_fd(int vid) +{ + int did; + struct internal_list *list; + + did = rte_vhost_get_vdpa_device_id(vid); + list = find_internal_resource_by_did(did); + if (list == NULL) { + DRV_LOG(ERR, "Invalid device id: %d", did); + return -1; + } + + return list->dev->vfio_group_fd; +} + +static int +virtio_vdpa_get_vfio_device_fd(int vid) +{ + int did; + struct internal_list *list; + + did = rte_vhost_get_vdpa_device_id(vid); + list = find_internal_resource_by_did(did); + if (list == NULL) { + DRV_LOG(ERR, "Invalid device id: %d", did); + return -1; + } + + return list->dev->vfio_dev_fd; +} + static struct rte_vdpa_dev_ops virtio_vdpa_ops = { .get_queue_num = virtio_vdpa_get_queue_num, .get_features = virtio_vdpa_get_features, @@ -682,6 +714,8 @@ static struct rte_vdpa_dev_ops virtio_vdpa_ops = { .dev_conf = virtio_vdpa_dev_config, .dev_close = virtio_vdpa_dev_close, .set_features = virtio_vdpa_set_features, + .get_vfio_group_fd = virtio_vdpa_get_vfio_group_fd, + .get_vfio_device_fd = virtio_vdpa_get_vfio_device_fd, }; static inline int