From patchwork Sun Dec 20 21:13:49 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Coquelin X-Patchwork-Id: 85548 X-Patchwork-Delegate: maxime.coquelin@redhat.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 9CE8CA09FD; Sun, 20 Dec 2020 22:22:07 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 7B40ACDF8; Sun, 20 Dec 2020 22:15:54 +0100 (CET) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by dpdk.org (Postfix) with ESMTP id F14C0CD7E for ; Sun, 20 Dec 2020 22:15:51 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1608498950; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=qF2bSIh/D6GzoG+qlopRdkgcsh2MwjW7TP6fLv6OiBQ=; b=VhBZBlMGxU2BAcFCf9Z7yojQut1urChrIP1SgcdhO99OgwFHuYNpm9GbJz+MknbRO5NZal JjLu+gEEpHJW7Wd6Q8G2yjvJdq4GW7czmo9m3kanw9oXaSpkZ9rHG+Ojgy9c+kc8yV23z3 DgOL/zfyxdEtLjS4tlMEDCpTxiSXYl8= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-321--8fKGpcdNZ-QM0kQ0B5JNg-1; Sun, 20 Dec 2020 16:15:48 -0500 X-MC-Unique: -8fKGpcdNZ-QM0kQ0B5JNg-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id B787F59; Sun, 20 Dec 2020 21:15:47 +0000 (UTC) Received: from max-t490s.redhat.com (unknown [10.36.110.43]) by smtp.corp.redhat.com (Postfix) with ESMTP id CDB5560C43; Sun, 20 Dec 2020 21:15:45 +0000 (UTC) From: Maxime Coquelin To: dev@dpdk.org, chenbo.xia@intel.com, olivier.matz@6wind.com, amorenoz@redhat.com, david.marchand@redhat.com Cc: Maxime Coquelin Date: Sun, 20 Dec 2020 22:13:49 +0100 Message-Id: <20201220211405.313012-25-maxime.coquelin@redhat.com> In-Reply-To: <20201220211405.313012-1-maxime.coquelin@redhat.com> References: <20201220211405.313012-1-maxime.coquelin@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=maxime.coquelin@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Subject: [dpdk-dev] [PATCH 24/40] net/virtio: add Virtio-user ops to set owner 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 a dedicated callabck for sending owner request. All the requests will be converted that way so that backends other than Vhost-user don't have to work around being it. Signed-off-by: Maxime Coquelin --- drivers/net/virtio/virtio_user/vhost.h | 1 + drivers/net/virtio/virtio_user/vhost_kernel.c | 28 +++++++++++++++-- drivers/net/virtio/virtio_user/vhost_user.c | 21 +++++++++++-- drivers/net/virtio/virtio_user/vhost_vdpa.c | 30 ++++++++++++++++--- .../net/virtio/virtio_user/virtio_user_dev.c | 3 +- 5 files changed, 72 insertions(+), 11 deletions(-) diff --git a/drivers/net/virtio/virtio_user/vhost.h b/drivers/net/virtio/virtio_user/vhost.h index 9d2a8505b3..8e819ecfb8 100644 --- a/drivers/net/virtio/virtio_user/vhost.h +++ b/drivers/net/virtio/virtio_user/vhost.h @@ -101,6 +101,7 @@ struct virtio_user_dev; struct virtio_user_backend_ops { int (*setup)(struct virtio_user_dev *dev); + int (*set_owner)(struct virtio_user_dev *dev); int (*send_request)(struct virtio_user_dev *dev, enum vhost_user_request req, void *arg); diff --git a/drivers/net/virtio/virtio_user/vhost_kernel.c b/drivers/net/virtio/virtio_user/vhost_kernel.c index 2c805077af..b79dcad179 100644 --- a/drivers/net/virtio/virtio_user/vhost_kernel.c +++ b/drivers/net/virtio/virtio_user/vhost_kernel.c @@ -6,6 +6,7 @@ #include #include #include +#include #include @@ -55,8 +56,28 @@ get_vhost_kernel_max_regions(void) close(fd); } +static int +vhost_kernel_ioctl(int fd, uint64_t request, void *arg) +{ + int ret; + + ret = ioctl(fd, request, arg); + if (ret) { + PMD_DRV_LOG(ERR, "Vhost-kernel ioctl %"PRIu64" failed (%s)", + request, strerror(errno)); + return -1; + } + + return 0; +} + +static int +vhost_kernel_set_owner(struct virtio_user_dev *dev) +{ + return vhost_kernel_ioctl(dev->vhostfds[0], VHOST_SET_OWNER, NULL); +} + static uint64_t vhost_req_user_to_kernel[] = { - [VHOST_USER_SET_OWNER] = VHOST_SET_OWNER, [VHOST_USER_RESET_OWNER] = VHOST_RESET_OWNER, [VHOST_USER_SET_FEATURES] = VHOST_SET_FEATURES, [VHOST_USER_GET_FEATURES] = VHOST_GET_FEATURES, @@ -175,7 +196,7 @@ tap_support_features(void) } static int -vhost_kernel_ioctl(struct virtio_user_dev *dev, +vhost_kernel_send_request(struct virtio_user_dev *dev, enum vhost_user_request req, void *arg) { @@ -385,6 +406,7 @@ vhost_kernel_enable_queue_pair(struct virtio_user_dev *dev, struct virtio_user_backend_ops virtio_ops_kernel = { .setup = vhost_kernel_setup, - .send_request = vhost_kernel_ioctl, + .set_owner = vhost_kernel_set_owner, + .send_request = vhost_kernel_send_request, .enable_qp = vhost_kernel_enable_queue_pair }; diff --git a/drivers/net/virtio/virtio_user/vhost_user.c b/drivers/net/virtio/virtio_user/vhost_user.c index e9053eea95..5ab15318ac 100644 --- a/drivers/net/virtio/virtio_user/vhost_user.c +++ b/drivers/net/virtio/virtio_user/vhost_user.c @@ -125,6 +125,24 @@ vhost_user_read(int fd, struct vhost_user_msg *msg) return -1; } +static int +vhost_user_set_owner(struct virtio_user_dev *dev) +{ + int ret; + struct vhost_user_msg msg = { + .request = VHOST_USER_SET_OWNER, + .flags = VHOST_USER_VERSION, + }; + + ret = vhost_user_write(dev->vhostfd, &msg, NULL, 0); + if (ret < 0) { + PMD_DRV_LOG(ERR, "Failed to set owner"); + return -1; + } + + return 0; +} + struct walk_arg { struct vhost_memory *vm; int *fds; @@ -230,7 +248,6 @@ prepare_vhost_memory_user(struct vhost_user_msg *msg, int fds[]) static struct vhost_user_msg m; const char * const vhost_msg_strings[] = { - [VHOST_USER_SET_OWNER] = "VHOST_SET_OWNER", [VHOST_USER_RESET_OWNER] = "VHOST_RESET_OWNER", [VHOST_USER_SET_FEATURES] = "VHOST_SET_FEATURES", [VHOST_USER_GET_FEATURES] = "VHOST_GET_FEATURES", @@ -303,7 +320,6 @@ vhost_user_sock(struct virtio_user_dev *dev, msg.size = sizeof(m.payload.u64); break; - case VHOST_USER_SET_OWNER: case VHOST_USER_RESET_OWNER: break; @@ -514,6 +530,7 @@ vhost_user_enable_queue_pair(struct virtio_user_dev *dev, struct virtio_user_backend_ops virtio_ops_user = { .setup = vhost_user_setup, + .set_owner = vhost_user_set_owner, .send_request = vhost_user_sock, .enable_qp = vhost_user_enable_queue_pair }; diff --git a/drivers/net/virtio/virtio_user/vhost_vdpa.c b/drivers/net/virtio/virtio_user/vhost_vdpa.c index c7b9349fc8..f405b6b86a 100644 --- a/drivers/net/virtio/virtio_user/vhost_vdpa.c +++ b/drivers/net/virtio/virtio_user/vhost_vdpa.c @@ -37,7 +37,6 @@ struct vhost_vring_state) static uint64_t vhost_req_user_to_vdpa[] = { - [VHOST_USER_SET_OWNER] = VHOST_SET_OWNER, [VHOST_USER_RESET_OWNER] = VHOST_RESET_OWNER, [VHOST_USER_SET_FEATURES] = VHOST_SET_FEATURES, [VHOST_USER_GET_FEATURES] = VHOST_GET_FEATURES, @@ -80,6 +79,28 @@ struct vhost_msg { }; }; + +static int +vhost_vdpa_ioctl(int fd, uint64_t request, void *arg) +{ + int ret; + + ret = ioctl(fd, request, arg); + if (ret) { + PMD_DRV_LOG(ERR, "Vhost-vDPA ioctl %"PRIu64" failed (%s)", + request, strerror(errno)); + return -1; + } + + return 0; +} + +static int +vhost_vdpa_set_owner(struct virtio_user_dev *dev) +{ + return vhost_vdpa_ioctl(dev->vhostfd, VHOST_SET_OWNER, NULL); +} + static int vhost_vdpa_dma_map(struct virtio_user_dev *dev, void *addr, uint64_t iova, size_t len) @@ -192,7 +213,7 @@ vhost_vdpa_dma_map_all(struct virtio_user_dev *dev) (1ULL << VIRTIO_NET_F_CSUM)) static int -vhost_vdpa_ioctl(struct virtio_user_dev *dev, +vhost_vdpa_send_request(struct virtio_user_dev *dev, enum vhost_user_request req, void *arg) { @@ -280,7 +301,7 @@ vhost_vdpa_enable_queue_pair(struct virtio_user_dev *dev, .num = enable, }; - if (vhost_vdpa_ioctl(dev, VHOST_USER_SET_VRING_ENABLE, &state)) + if (vhost_vdpa_send_request(dev, VHOST_USER_SET_VRING_ENABLE, &state)) return -1; } @@ -291,7 +312,8 @@ vhost_vdpa_enable_queue_pair(struct virtio_user_dev *dev, struct virtio_user_backend_ops virtio_ops_vdpa = { .setup = vhost_vdpa_setup, - .send_request = vhost_vdpa_ioctl, + .set_owner = vhost_vdpa_set_owner, + .send_request = vhost_vdpa_send_request, .enable_qp = vhost_vdpa_enable_queue_pair, .dma_map = vhost_vdpa_dma_map, .dma_unmap = vhost_vdpa_dma_unmap, diff --git a/drivers/net/virtio/virtio_user/virtio_user_dev.c b/drivers/net/virtio/virtio_user/virtio_user_dev.c index 053f0267ca..f8e4581951 100644 --- a/drivers/net/virtio/virtio_user/virtio_user_dev.c +++ b/drivers/net/virtio/virtio_user/virtio_user_dev.c @@ -482,8 +482,7 @@ virtio_user_dev_init(struct virtio_user_dev *dev, char *path, int queues, (1ULL << VHOST_USER_F_PROTOCOL_FEATURES); if (!dev->is_server) { - if (dev->ops->send_request(dev, VHOST_USER_SET_OWNER, - NULL) < 0) { + if (dev->ops->set_owner(dev) < 0) { PMD_INIT_LOG(ERR, "set_owner fails: %s", strerror(errno)); return -1;