computing-offload/generic_vdpa/qemu/0004-vhost-add-vhost_dev_suspend-resume_op.patch
jiangdongxu fac818adb1 vdpa: change libvirt/qemu/kernel base version and docs
Change-Id: I574115f5e44e56ac2baaad71eeab6b9fd7149747
2024-10-15 17:39:52 +08:00

39 lines
1.4 KiB
Diff

From 75feae278de905221cbf777fee1d49782c6221ce Mon Sep 17 00:00:00 2001
From: libai <libai12@huawei.com>
Date: Mon, 4 Dec 2023 15:13:41 +0800
Subject: [PATCH 04/16] vhost: add vhost_dev_suspend/resume_op
Introduce new vhost interface to support vhost device suspend & resume
Signed-off-by: libai <libai12@huawei.com>
---
include/hw/virtio/vhost-backend.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/include/hw/virtio/vhost-backend.h b/include/hw/virtio/vhost-backend.h
index 71b02e4..84b8fa1 100644
--- a/include/hw/virtio/vhost-backend.h
+++ b/include/hw/virtio/vhost-backend.h
@@ -155,6 +155,9 @@ typedef int (*vhost_set_device_state_fd_op)(struct vhost_dev *dev,
Error **errp);
typedef int (*vhost_check_device_state_op)(struct vhost_dev *dev, Error **errp);
+typedef int (*vhost_dev_suspend_op)(struct vhost_dev *dev);
+typedef int (*vhost_dev_resume_op)(struct vhost_dev *dev);
+
typedef struct VhostOps {
VhostBackendType backend_type;
vhost_backend_init vhost_backend_init;
@@ -208,6 +211,8 @@ typedef struct VhostOps {
vhost_supports_device_state_op vhost_supports_device_state;
vhost_set_device_state_fd_op vhost_set_device_state_fd;
vhost_check_device_state_op vhost_check_device_state;
+ vhost_dev_suspend_op vhost_dev_suspend;
+ vhost_dev_resume_op vhost_dev_resume;
} VhostOps;
int vhost_backend_update_device_iotlb(struct vhost_dev *dev,
--
2.46.0.windows.1