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

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h
Extension
.h
Size
3442 bytes
Lines
91
Domain
Driver Families
Bucket
drivers/gpu
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

#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, tbo.base)

extern const struct drm_gem_object_funcs amdgpu_gem_object_funcs;

unsigned long amdgpu_gem_timeout(uint64_t timeout_ns);

/*
 * 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 dma_resv *resv,
			     struct drm_gem_object **obj, int8_t xcp_id_plus1);
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_list_handles_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);

#define AMDGPU_GEM_CREATE_SETTABLE_MASK	(AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED | \
	AMDGPU_GEM_CREATE_NO_CPU_ACCESS | \
	AMDGPU_GEM_CREATE_CPU_GTT_USWC | \
	AMDGPU_GEM_CREATE_VRAM_CLEARED | \
	AMDGPU_GEM_CREATE_VM_ALWAYS_VALID | \
	AMDGPU_GEM_CREATE_EXPLICIT_SYNC | \
	AMDGPU_GEM_CREATE_VRAM_WIPE_ON_RELEASE | \
	AMDGPU_GEM_CREATE_ENCRYPTED | \
	AMDGPU_GEM_CREATE_GFX12_DCC | \
	AMDGPU_GEM_CREATE_DISCARDABLE | \
	AMDGPU_GEM_CREATE_COHERENT | \
	AMDGPU_GEM_CREATE_UNCACHED | \
	AMDGPU_GEM_CREATE_EXT_COHERENT)

#endif

Annotation

Implementation Notes