mirror of https://gitee.com/openkylin/linux.git
65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
/* 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>
|
|
*/
|
|
|
|
#ifndef MDEV_PRIVATE_H
|
|
#define MDEV_PRIVATE_H
|
|
|
|
int mdev_bus_register(void);
|
|
void mdev_bus_unregister(void);
|
|
|
|
struct mdev_parent {
|
|
struct device *dev;
|
|
const struct mdev_parent_ops *ops;
|
|
struct kref ref;
|
|
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;
|
|
guid_t uuid;
|
|
void *driver_data;
|
|
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)
|
|
#define dev_is_mdev(d) ((d)->bus == &mdev_bus_type)
|
|
|
|
struct mdev_type {
|
|
struct kobject kobj;
|
|
struct kobject *devices_kobj;
|
|
struct mdev_parent *parent;
|
|
struct list_head next;
|
|
struct attribute_group *group;
|
|
};
|
|
|
|
#define to_mdev_type_attr(_attr) \
|
|
container_of(_attr, struct mdev_type_attribute, attr)
|
|
#define to_mdev_type(_kobj) \
|
|
container_of(_kobj, struct mdev_type, kobj)
|
|
|
|
int parent_create_sysfs_files(struct mdev_parent *parent);
|
|
void parent_remove_sysfs_files(struct mdev_parent *parent);
|
|
|
|
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, const guid_t *uuid);
|
|
int mdev_device_remove(struct device *dev);
|
|
|
|
#endif /* MDEV_PRIVATE_H */
|