linux_kernel/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h

/*
 * Copyright 2018 Advanced Micro Devices, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 */
#ifndef __AMDGPU_GEM_H__
#define __AMDGPU_GEM_H__

#include <drm/amdgpu_drm.h>
#include <drm/drm_gem.h>

/*
 * GEM.
 */

#define AMDGPU_GEM_DOMAIN_MAX		0x3
#define gem_to_amdgpu_bo(gobj) container_of((gobj), struct amdgpu_bo, gem_base)

void amdgpu_gem_object_free(struct drm_gem_object *obj);
int amdgpu_gem_object_open(struct drm_gem_object *obj,
				struct drm_file *file_priv);
void amdgpu_gem_object_close(struct drm_gem_object *obj,
				struct drm_file *file_priv);
unsigned long amdgpu_gem_timeout(uint64_t timeout_ns);
struct sg_table *amdgpu_gem_prime_get_sg_table(struct drm_gem_object *obj);
struct drm_gem_object *
amdgpu_gem_prime_import_sg_table(struct drm_device *dev,
				 struct dma_buf_attachment *attach,
				 struct sg_table *sg);
struct dma_buf *amdgpu_gem_prime_export(struct drm_device *dev,
					struct drm_gem_object *gobj,
					int flags);
struct drm_gem_object *amdgpu_gem_prime_import(struct drm_device *dev,
					    struct dma_buf *dma_buf);
struct reservation_object *amdgpu_gem_prime_res_obj(struct drm_gem_object *);
void *amdgpu_gem_prime_vmap(struct drm_gem_object *obj);
void amdgpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
int amdgpu_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma);

/*
 * GEM objects.
 */
void amdgpu_gem_force_release(struct amdgpu_device *adev);
int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size,
			     int alignment, u32 initial_domain,
			     u64 flags, enum ttm_bo_type type,
			     struct reservation_object *resv,
			     struct drm_gem_object **obj);

int amdgpu_mode_dumb_create(struct drm_file *file_priv,
			    struct drm_device *dev,
			    struct drm_mode_create_dumb *args);
int amdgpu_mode_dumb_mmap(struct drm_file *filp,
			  struct drm_device *dev,
			  uint32_t handle, uint64_t *offset_p);

int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data,
			    struct drm_file *filp);
int amdgpu_gem_info_ioctl(struct drm_device *dev, void *data,
			  struct drm_file *filp);
int amdgpu_gem_userptr_ioctl(struct drm_device *dev, void *data,
			struct drm_file *filp);
int amdgpu_gem_mmap_ioctl(struct drm_device *dev, void *data,
			  struct drm_file *filp);
int amdgpu_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
			      struct drm_file *filp);
int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data,
			  struct drm_file *filp);
int amdgpu_gem_op_ioctl(struct drm_device *dev, void *data,
			struct drm_file *filp);

int amdgpu_gem_metadata_ioctl(struct drm_device *dev, void *data,
				struct drm_file *filp);

#endif