1/* SPDX-License-Identifier: MIT */ 2/* 3 * Copyright © 2020 Intel Corporation 4 */ 5 6#ifndef SHMEM_UTILS_H 7#define SHMEM_UTILS_H 8 9#include <linux/types.h> 10 11struct drm_i915_gem_object; 12struct file; 13 14struct file *shmem_create_from_data(const char *name, void *data, size_t len); 15struct file *shmem_create_from_object(struct drm_i915_gem_object *obj); 16 17void *shmem_pin_map(struct file *file); 18void shmem_unpin_map(struct file *file, void *ptr); 19 20int shmem_read(struct file *file, loff_t off, void *dst, size_t len); 21int shmem_write(struct file *file, loff_t off, void *src, size_t len); 22 23#endif /* SHMEM_UTILS_H */ 24