linux/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h

/*
 * Copyright 2008 Advanced Micro Devices, Inc.
 * Copyright 2008 Red Hat Inc.
 * Copyright 2009 Jerome Glisse.
 *
 * 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.
 *
 * Authors: Dave Airlie
 *          Alex Deucher
 *          Jerome Glisse
 */
#ifndef __AMDGPU_OBJECT_H__
#define __AMDGPU_OBJECT_H__

#include <drm/amdgpu_drm.h>
#include "amdgpu.h"
#include "amdgpu_res_cursor.h"

#ifdef CONFIG_MMU_NOTIFIER
#include <linux/mmu_notifier.h>
#endif

#define AMDGPU_BO_INVALID_OFFSET
#define AMDGPU_BO_MAX_PLACEMENTS

/* BO flag to indicate a KFD userptr BO */
#define AMDGPU_AMDKFD_CREATE_USERPTR_BO

#define to_amdgpu_bo_user(abo)
#define to_amdgpu_bo_vm(abo)

struct amdgpu_bo_param {};

/* bo virtual addresses in a vm */
struct amdgpu_bo_va_mapping {};

/* User space allocated BO in a VM */
struct amdgpu_bo_va {};

struct amdgpu_bo {};

struct amdgpu_bo_user {};

struct amdgpu_bo_vm {};

struct amdgpu_mem_stats {};

static inline struct amdgpu_bo *ttm_to_amdgpu_bo(struct ttm_buffer_object *tbo)
{}

/**
 * amdgpu_mem_type_to_domain - return domain corresponding to mem_type
 * @mem_type:	ttm memory type
 *
 * Returns corresponding domain of the ttm mem_type
 */
static inline unsigned amdgpu_mem_type_to_domain(u32 mem_type)
{}

/**
 * amdgpu_bo_reserve - reserve bo
 * @bo:		bo structure
 * @no_intr:	don't return -ERESTARTSYS on pending signal
 *
 * Returns:
 * -ERESTARTSYS: A wait for the buffer to become unreserved was interrupted by
 * a signal. Release all buffer reservations and return to user-space.
 */
static inline int amdgpu_bo_reserve(struct amdgpu_bo *bo, bool no_intr)
{}

static inline void amdgpu_bo_unreserve(struct amdgpu_bo *bo)
{}

static inline unsigned long amdgpu_bo_size(struct amdgpu_bo *bo)
{}

static inline unsigned amdgpu_bo_ngpu_pages(struct amdgpu_bo *bo)
{}

static inline unsigned amdgpu_bo_gpu_page_alignment(struct amdgpu_bo *bo)
{}

/**
 * amdgpu_bo_mmap_offset - return mmap offset of bo
 * @bo:	amdgpu object for which we query the offset
 *
 * Returns mmap offset of the object.
 */
static inline u64 amdgpu_bo_mmap_offset(struct amdgpu_bo *bo)
{}

/**
 * amdgpu_bo_explicit_sync - return whether the bo is explicitly synced
 */
static inline bool amdgpu_bo_explicit_sync(struct amdgpu_bo *bo)
{}

/**
 * amdgpu_bo_encrypted - test if the BO is encrypted
 * @bo: pointer to a buffer object
 *
 * Return true if the buffer object is encrypted, false otherwise.
 */
static inline bool amdgpu_bo_encrypted(struct amdgpu_bo *bo)
{}

/**
 * amdgpu_bo_shadowed - check if the BO is shadowed
 *
 * @bo: BO to be tested.
 *
 * Returns:
 * NULL if not shadowed or else return a BO pointer.
 */
static inline struct amdgpu_bo *amdgpu_bo_shadowed(struct amdgpu_bo *bo)
{}

bool amdgpu_bo_is_amdgpu_bo(struct ttm_buffer_object *bo);
void amdgpu_bo_placement_from_domain(struct amdgpu_bo *abo, u32 domain);

int amdgpu_bo_create(struct amdgpu_device *adev,
		     struct amdgpu_bo_param *bp,
		     struct amdgpu_bo **bo_ptr);
int amdgpu_bo_create_reserved(struct amdgpu_device *adev,
			      unsigned long size, int align,
			      u32 domain, struct amdgpu_bo **bo_ptr,
			      u64 *gpu_addr, void **cpu_addr);
int amdgpu_bo_create_kernel(struct amdgpu_device *adev,
			    unsigned long size, int align,
			    u32 domain, struct amdgpu_bo **bo_ptr,
			    u64 *gpu_addr, void **cpu_addr);
int amdgpu_bo_create_kernel_at(struct amdgpu_device *adev,
			       uint64_t offset, uint64_t size,
			       struct amdgpu_bo **bo_ptr, void **cpu_addr);
int amdgpu_bo_create_user(struct amdgpu_device *adev,
			  struct amdgpu_bo_param *bp,
			  struct amdgpu_bo_user **ubo_ptr);
int amdgpu_bo_create_vm(struct amdgpu_device *adev,
			struct amdgpu_bo_param *bp,
			struct amdgpu_bo_vm **ubo_ptr);
void amdgpu_bo_free_kernel(struct amdgpu_bo **bo, u64 *gpu_addr,
			   void **cpu_addr);
int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr);
void *amdgpu_bo_kptr(struct amdgpu_bo *bo);
void amdgpu_bo_kunmap(struct amdgpu_bo *bo);
struct amdgpu_bo *amdgpu_bo_ref(struct amdgpu_bo *bo);
void amdgpu_bo_unref(struct amdgpu_bo **bo);
int amdgpu_bo_pin(struct amdgpu_bo *bo, u32 domain);
int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
			     u64 min_offset, u64 max_offset);
void amdgpu_bo_unpin(struct amdgpu_bo *bo);
int amdgpu_bo_init(struct amdgpu_device *adev);
void amdgpu_bo_fini(struct amdgpu_device *adev);
int amdgpu_bo_set_tiling_flags(struct amdgpu_bo *bo, u64 tiling_flags);
void amdgpu_bo_get_tiling_flags(struct amdgpu_bo *bo, u64 *tiling_flags);
int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void *metadata,
			    uint32_t metadata_size, uint64_t flags);
int amdgpu_bo_get_metadata(struct amdgpu_bo *bo, void *buffer,
			   size_t buffer_size, uint32_t *metadata_size,
			   uint64_t *flags);
void amdgpu_bo_move_notify(struct ttm_buffer_object *bo,
			   bool evict,
			   struct ttm_resource *new_mem);
void amdgpu_bo_release_notify(struct ttm_buffer_object *bo);
vm_fault_t amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo);
void amdgpu_bo_fence(struct amdgpu_bo *bo, struct dma_fence *fence,
		     bool shared);
int amdgpu_bo_sync_wait_resv(struct amdgpu_device *adev, struct dma_resv *resv,
			     enum amdgpu_sync_mode sync_mode, void *owner,
			     bool intr);
int amdgpu_bo_sync_wait(struct amdgpu_bo *bo, void *owner, bool intr);
u64 amdgpu_bo_gpu_offset(struct amdgpu_bo *bo);
u64 amdgpu_bo_gpu_offset_no_check(struct amdgpu_bo *bo);
void amdgpu_bo_get_memory(struct amdgpu_bo *bo,
			  struct amdgpu_mem_stats *stats);
void amdgpu_bo_add_to_shadow_list(struct amdgpu_bo_vm *vmbo);
int amdgpu_bo_restore_shadow(struct amdgpu_bo *shadow,
			     struct dma_fence **fence);
uint32_t amdgpu_bo_get_preferred_domain(struct amdgpu_device *adev,
					    uint32_t domain);

/*
 * sub allocation
 */
static inline struct amdgpu_sa_manager *
to_amdgpu_sa_manager(struct drm_suballoc_manager *manager)
{}

static inline uint64_t amdgpu_sa_bo_gpu_addr(struct drm_suballoc *sa_bo)
{}

static inline void *amdgpu_sa_bo_cpu_addr(struct drm_suballoc *sa_bo)
{}

int amdgpu_sa_bo_manager_init(struct amdgpu_device *adev,
				     struct amdgpu_sa_manager *sa_manager,
				     unsigned size, u32 align, u32 domain);
void amdgpu_sa_bo_manager_fini(struct amdgpu_device *adev,
				      struct amdgpu_sa_manager *sa_manager);
int amdgpu_sa_bo_manager_start(struct amdgpu_device *adev,
				      struct amdgpu_sa_manager *sa_manager);
int amdgpu_sa_bo_new(struct amdgpu_sa_manager *sa_manager,
		     struct drm_suballoc **sa_bo,
		     unsigned int size);
void amdgpu_sa_bo_free(struct amdgpu_device *adev,
		       struct drm_suballoc **sa_bo,
		       struct dma_fence *fence);
#if defined(CONFIG_DEBUG_FS)
void amdgpu_sa_bo_dump_debug_info(struct amdgpu_sa_manager *sa_manager,
					 struct seq_file *m);
u64 amdgpu_bo_print_info(int id, struct amdgpu_bo *bo, struct seq_file *m);
#endif
void amdgpu_debugfs_sa_init(struct amdgpu_device *adev);

bool amdgpu_bo_support_uswc(u64 bo_flags);


#endif