From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/vfio/mdev/mdev_private.h | 21 ++++++++++++---------
1 files changed, 12 insertions(+), 9 deletions(-)
diff --git a/kernel/drivers/vfio/mdev/mdev_private.h b/kernel/drivers/vfio/mdev/mdev_private.h
index b5819b7..74c2e54 100644
--- a/kernel/drivers/vfio/mdev/mdev_private.h
+++ b/kernel/drivers/vfio/mdev/mdev_private.h
@@ -1,13 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Mediated device interal definitions
*
* Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
* Author: Neo Jia <cjia@nvidia.com>
* Kirti Wankhede <kwankhede@nvidia.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef MDEV_PRIVATE_H
@@ -23,20 +20,25 @@
struct list_head next;
struct kset *mdev_types_kset;
struct list_head type_list;
+ /* Synchronize device creation/removal with parent unregistration */
+ struct rw_semaphore unreg_sem;
};
struct mdev_device {
struct device dev;
struct mdev_parent *parent;
- uuid_le uuid;
+ guid_t uuid;
void *driver_data;
- struct kref ref;
struct list_head next;
struct kobject *type_kobj;
+ struct device *iommu_device;
bool active;
};
-#define to_mdev_device(dev) container_of(dev, struct mdev_device, dev)
+static inline struct mdev_device *to_mdev_device(struct device *dev)
+{
+ return container_of(dev, struct mdev_device, dev);
+}
#define dev_is_mdev(d) ((d)->bus == &mdev_bus_type)
struct mdev_type {
@@ -58,7 +60,8 @@
int mdev_create_sysfs_files(struct device *dev, struct mdev_type *type);
void mdev_remove_sysfs_files(struct device *dev, struct mdev_type *type);
-int mdev_device_create(struct kobject *kobj, struct device *dev, uuid_le uuid);
-int mdev_device_remove(struct device *dev, bool force_remove);
+int mdev_device_create(struct kobject *kobj,
+ struct device *dev, const guid_t *uuid);
+int mdev_device_remove(struct device *dev);
#endif /* MDEV_PRIVATE_H */
--
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