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[79.176.118.93]) by smtp.gmail.com with ESMTPSA id 66sm3321234wmb.3.2020.11.03.06.35.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Nov 2020 06:35:09 -0800 (PST) Date: Tue, 3 Nov 2020 09:35:08 -0500 From: "Michael S. Tsirkin" To: qemu-devel@nongnu.org Subject: [PULL 26/38] vhost-blk: set features before setting inflight feature Message-ID: <20201103142306.71782-27-mst@redhat.com> References: <20201103142306.71782-1-mst@redhat.com> MIME-Version: 1.0 In-Reply-To: <20201103142306.71782-1-mst@redhat.com> X-Mailer: git-send-email 2.27.0.106.g8ac3dc51b1 X-Mutt-Fcc: =sent Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=mst@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Received-SPF: pass client-ip=216.205.24.124; envelope-from=mst@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/03 00:03:41 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Peter Maydell , qemu-block@nongnu.org, Jin Yu , Max Reitz , Raphael Norwitz Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Jin Yu Virtqueue has split and packed, so before setting inflight, you need to inform the back-end virtqueue format. Signed-off-by: Jin Yu Acked-by: Raphael Norwitz Message-Id: <20201103123617.28256-1-jin.yu@intel.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- include/hw/virtio/vhost.h | 1 + hw/block/vhost-user-blk.c | 6 ++++++ hw/virtio/vhost.c | 20 ++++++++++++++++++++ 3 files changed, 27 insertions(+) diff --git a/include/hw/virtio/vhost.h b/include/hw/virtio/vhost.h index 94585067f7..4a8bc75415 100644 --- a/include/hw/virtio/vhost.h +++ b/include/hw/virtio/vhost.h @@ -141,6 +141,7 @@ void vhost_dev_reset_inflight(struct vhost_inflight *inflight); void vhost_dev_free_inflight(struct vhost_inflight *inflight); void vhost_dev_save_inflight(struct vhost_inflight *inflight, QEMUFile *f); int vhost_dev_load_inflight(struct vhost_inflight *inflight, QEMUFile *f); +int vhost_dev_prepare_inflight(struct vhost_dev *hdev, VirtIODevice *vdev); int vhost_dev_set_inflight(struct vhost_dev *dev, struct vhost_inflight *inflight); int vhost_dev_get_inflight(struct vhost_dev *dev, uint16_t queue_size, diff --git a/hw/block/vhost-user-blk.c b/hw/block/vhost-user-blk.c index a076b1e54d..2dd3d93ca0 100644 --- a/hw/block/vhost-user-blk.c +++ b/hw/block/vhost-user-blk.c @@ -131,6 +131,12 @@ static int vhost_user_blk_start(VirtIODevice *vdev) s->dev.acked_features = vdev->guest_features; + ret = vhost_dev_prepare_inflight(&s->dev, vdev); + if (ret < 0) { + error_report("Error set inflight format: %d", -ret); + goto err_guest_notifiers; + } + if (!s->inflight->addr) { ret = vhost_dev_get_inflight(&s->dev, s->queue_size, s->inflight); if (ret < 0) { diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c index 79b2be20df..614ccc2bcb 100644 --- a/hw/virtio/vhost.c +++ b/hw/virtio/vhost.c @@ -1645,6 +1645,26 @@ int vhost_dev_load_inflight(struct vhost_inflight *inflight, QEMUFile *f) return 0; } +int vhost_dev_prepare_inflight(struct vhost_dev *hdev, VirtIODevice *vdev) +{ + int r; + + if (hdev->vhost_ops->vhost_get_inflight_fd == NULL || + hdev->vhost_ops->vhost_set_inflight_fd == NULL) { + return 0; + } + + hdev->vdev = vdev; + + r = vhost_dev_set_features(hdev, hdev->log_enabled); + if (r < 0) { + VHOST_OPS_DEBUG("vhost_dev_prepare_inflight failed"); + return r; + } + + return 0; +} + int vhost_dev_set_inflight(struct vhost_dev *dev, struct vhost_inflight *inflight) { -- MST