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/*
* GK20A Address Spaces
*
* Copyright (c) 2011-2015, 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 AS_GK20A_H
#define AS_GK20A_H
#include <linux/atomic.h>
#include <linux/cdev.h>
#include <linux/fs.h>
struct gk20a_as;
struct gk20a_as_share;
struct vm_gk20a;
struct gk20a_as_share {
struct gk20a_as *as;
int id;
struct vm_gk20a *vm;
};
struct gk20a_as {
int last_share_id; /* dummy allocator for now */
struct cdev cdev;
struct device *node;
};
int gk20a_as_release_share(struct gk20a_as_share *as_share);
/* struct file_operations driver interface */
int gk20a_as_dev_open(struct inode *inode, struct file *filp);
int gk20a_as_dev_release(struct inode *inode, struct file *filp);
long gk20a_as_dev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
/* if big_page_size == 0, the default big page size is used */
int gk20a_as_alloc_share(struct gk20a_as *as, u32 big_page_size,
u32 flags, struct gk20a_as_share **out);
#endif
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