ethosu_gem.h

 1/* SPDX-License-Identifier: GPL-2.0 or MIT */
 2/* Copyright 2025 Arm, Ltd. */
 3
 4#ifndef __ETHOSU_GEM_H__
 5#define __ETHOSU_GEM_H__
 6
 7#include "ethosu_device.h"
 8#include <drm/drm_gem_dma_helper.h>
 9
10struct ethosu_validated_cmdstream_info {
11	u32 cmd_size;
12	u64 region_size[NPU_BASEP_REGION_MAX];
13	bool output_region[NPU_BASEP_REGION_MAX];
14};
15
16/**
17 * struct ethosu_gem_object - Driver specific GEM object.
18 */
19struct ethosu_gem_object {
20	/** @base: Inherit from drm_gem_shmem_object. */
21	struct drm_gem_dma_object base;
22
23	struct ethosu_validated_cmdstream_info *info;
24
25	/** @flags: Combination of drm_ethosu_bo_flags flags. */
26	u32 flags;
27};
28
29static inline
30struct ethosu_gem_object *to_ethosu_bo(struct drm_gem_object *obj)
31{
32	return container_of(to_drm_gem_dma_obj(obj), struct ethosu_gem_object, base);
33}
34
35struct drm_gem_object *ethosu_gem_create_object(struct drm_device *ddev,
36						size_t size);
37
38int ethosu_gem_create_with_handle(struct drm_file *file,
39				  struct drm_device *ddev,
40				  u64 *size, u32 flags, uint32_t *handle);
41
42int ethosu_gem_cmdstream_create(struct drm_file *file,
43				struct drm_device *ddev,
44				u32 size, u64 data, u32 flags, u32 *handle);
45
46#endif /* __ETHOSU_GEM_H__ */