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