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1/* SPDX-License-Identifier: MIT */2/*3 * Copyright © 2020 Intel Corporation4 */5 6#ifndef SHMEM_UTILS_H7#define SHMEM_UTILS_H8 9#include <linux/types.h>10 11struct iosys_map;12struct drm_i915_gem_object;13struct file;14 15struct file *shmem_create_from_data(const char *name, void *data, size_t len);16struct file *shmem_create_from_object(struct drm_i915_gem_object *obj);17 18void *shmem_pin_map(struct file *file);19void shmem_unpin_map(struct file *file, void *ptr);20 21int shmem_read_to_iosys_map(struct file *file, loff_t off,22 struct iosys_map *map, size_t map_off, size_t len);23int shmem_read(struct file *file, loff_t off, void *dst, size_t len);24int shmem_write(struct file *file, loff_t off, void *src, size_t len);25 26#endif /* SHMEM_UTILS_H */27