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/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2020 Intel Corporation
*/
#ifndef SHMEM_UTILS_H
#define SHMEM_UTILS_H
#include <linux/types.h>
struct iosys_map;
struct drm_i915_gem_object;
struct file;
struct file *shmem_create_from_data(const char *name, void *data, size_t len);
struct file *shmem_create_from_object(struct drm_i915_gem_object *obj);
void *shmem_pin_map(struct file *file);
void shmem_unpin_map(struct file *file, void *ptr);
int shmem_read_to_iosys_map(struct file *file, loff_t off,
struct iosys_map *map, size_t map_off, size_t len);
int shmem_read(struct file *file, loff_t off, void *dst, size_t len);
int shmem_write(struct file *file, loff_t off, void *src, size_t len);
#endif /* SHMEM_UTILS_H */
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