From d135303da1187d9f214e520a977fe7c47e5ce1f0 Mon Sep 17 00:00:00 2001 From: Cindy Lu Date: Thu, 22 Dec 2022 15:04:45 +0800 Subject: [PATCH 04/31] vhost: introduce new VhostOps vhost_set_config_call MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit RH-Author: Cindy Lu RH-MergeRequest: 132: vhost-vdpa: support config interrupt in vhost-vdpa RH-Bugzilla: 1905805 RH-Acked-by: Laurent Vivier RH-Acked-by: Eugenio Pérez RH-Acked-by: Miroslav Rezanina RH-Commit: [4/10] c2492838d9c1415e42d2507f2956d640a30325f2 (lulu6/qemu-kvm3) https://bugzilla.redhat.com/show_bug.cgi?id=1905805 This patch introduces new VhostOps vhost_set_config_call. This function allows the qemu to set the config event fd to kernel driver. Signed-off-by: Cindy Lu Message-Id: <20221222070451.936503-5-lulu@redhat.com> Acked-by: Jason Wang Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin (cherry picked from commit 9b30cdf9bbf9524a4f4f8a6eb551eb13cbbd3893) Signed-off-by: Cindy Lu --- include/hw/virtio/vhost-backend.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/hw/virtio/vhost-backend.h b/include/hw/virtio/vhost-backend.h index eab46d7f0b..c5ab49051e 100644 --- a/include/hw/virtio/vhost-backend.h +++ b/include/hw/virtio/vhost-backend.h @@ -128,6 +128,8 @@ typedef int (*vhost_get_device_id_op)(struct vhost_dev *dev, uint32_t *dev_id); typedef bool (*vhost_force_iommu_op)(struct vhost_dev *dev); +typedef int (*vhost_set_config_call_op)(struct vhost_dev *dev, + int fd); typedef struct VhostOps { VhostBackendType backend_type; vhost_backend_init vhost_backend_init; @@ -174,6 +176,7 @@ typedef struct VhostOps { vhost_vq_get_addr_op vhost_vq_get_addr; vhost_get_device_id_op vhost_get_device_id; vhost_force_iommu_op vhost_force_iommu; + vhost_set_config_call_op vhost_set_config_call; } VhostOps; int vhost_backend_update_device_iotlb(struct vhost_dev *dev, -- 2.31.1