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Open source GPL/LGPL release

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svcmobrel-release
2022-07-21 16:03:29 -07:00
commit f338182221
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76
drivers/gpu/nvgpu/os/linux/ioctl.h Normal file
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/*
* Copyright (c) 2017-2021, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
#ifndef __NVGPU_IOCTL_H__
#define __NVGPU_IOCTL_H__
#include <linux/cdev.h>
#include <nvgpu/types.h>
#include <nvgpu/list.h>
struct device;
struct class;
struct nvgpu_class {
struct class *class;
struct nvgpu_list_node list_entry;
struct nvgpu_cdev_class_priv_data *priv_data;
enum nvgpu_mig_gpu_instance_type instance_type;
bool power_node;
};
static inline struct class *nvgpu_class_get_class(struct nvgpu_class *class)
{
return class->class;
}
struct nvgpu_cdev {
struct cdev cdev;
struct device *node;
struct nvgpu_class *class;
struct nvgpu_list_node list_entry;
};
static inline struct nvgpu_cdev *
nvgpu_cdev_from_list_entry(struct nvgpu_list_node *node)
{
return (struct nvgpu_cdev *)
((uintptr_t)node - offsetof(struct nvgpu_cdev, list_entry));
};
struct nvgpu_cdev_class_priv_data {
char class_name[64];
u32 local_instance_id;
u32 major_instance_id;
u32 minor_instance_id;
bool pci;
};
static inline struct nvgpu_class *
nvgpu_class_from_list_entry(struct nvgpu_list_node *node)
{
return (struct nvgpu_class *)
((uintptr_t)node - offsetof(struct nvgpu_class, list_entry));
};
int gk20a_user_nodes_init(struct device *dev);
int gk20a_power_node_init(struct device *dev);
void gk20a_user_nodes_deinit(struct device *dev);
void gk20a_power_node_deinit(struct device *dev);
struct gk20a *nvgpu_get_gk20a_from_cdev(struct nvgpu_cdev *cdev);
u32 nvgpu_get_gpu_instance_id_from_cdev(struct gk20a *g, struct nvgpu_cdev *cdev);
#endif