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/*
* 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 __RADEON_OBJECT_H__
#define __RADEON_OBJECT_H__
#include <drm/radeon_drm.h>
#include "radeon.h"
/**
* radeon_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 radeon_mem_type_to_domain(u32 mem_type)
{
switch (mem_type) {
case TTM_PL_VRAM:
return RADEON_GEM_DOMAIN_VRAM;
case TTM_PL_TT:
return RADEON_GEM_DOMAIN_GTT;
case TTM_PL_SYSTEM:
return RADEON_GEM_DOMAIN_CPU;
default:
break;
}
return 0;
}
/**
* radeon_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 radeon_bo_reserve(struct radeon_bo *bo, bool no_intr)
{
int r;
r = ttm_bo_reserve(&bo->tbo, !no_intr, false, NULL);
if (unlikely(r != 0)) {
if (r != -ERESTARTSYS)
dev_err(bo->rdev->dev, "%p reserve failed\n", bo);
return r;
}
return 0;
}
static inline void radeon_bo_unreserve(struct radeon_bo *bo)
{
ttm_bo_unreserve(&bo->tbo);
}
/**
* radeon_bo_gpu_offset - return GPU offset of bo
* @bo: radeon object for which we query the offset
*
* Returns current GPU offset of the object.
*
* Note: object should either be pinned or reserved when calling this
* function, it might be useful to add check for this for debugging.
*/
static inline u64 radeon_bo_gpu_offset(struct radeon_bo *bo)
{
struct radeon_device *rdev;
u64 start = 0;
rdev = radeon_get_rdev(bo->tbo.bdev);
switch (bo->tbo.resource->mem_type) {
case TTM_PL_TT:
start = rdev->mc.gtt_start;
break;
case TTM_PL_VRAM:
start = rdev->mc.vram_start;
break;
}
return (bo->tbo.resource->start << PAGE_SHIFT) + start;
}
static inline unsigned long radeon_bo_size(struct radeon_bo *bo)
{
return bo->tbo.base.size;
}
static inline unsigned radeon_bo_ngpu_pages(struct radeon_bo *bo)
{
return bo->tbo.base.size / RADEON_GPU_PAGE_SIZE;
}
static inline unsigned radeon_bo_gpu_page_alignment(struct radeon_bo *bo)
{
return (bo->tbo.page_alignment << PAGE_SHIFT) / RADEON_GPU_PAGE_SIZE;
}
/**
* radeon_bo_mmap_offset - return mmap offset of bo
* @bo: radeon object for which we query the offset
*
* Returns mmap offset of the object.
*/
static inline u64 radeon_bo_mmap_offset(struct radeon_bo *bo)
{
return drm_vma_node_offset_addr(&bo->tbo.base.vma_node);
}
extern int radeon_bo_create(struct radeon_device *rdev,
unsigned long size, int byte_align,
bool kernel, u32 domain, u32 flags,
struct sg_table *sg,
struct dma_resv *resv,
struct radeon_bo **bo_ptr);
extern int radeon_bo_kmap(struct radeon_bo *bo, void **ptr);
extern void radeon_bo_kunmap(struct radeon_bo *bo);
extern struct radeon_bo *radeon_bo_ref(struct radeon_bo *bo);
extern void radeon_bo_unref(struct radeon_bo **bo);
extern int radeon_bo_pin(struct radeon_bo *bo, u32 domain, u64 *gpu_addr);
extern int radeon_bo_pin_restricted(struct radeon_bo *bo, u32 domain,
u64 max_offset, u64 *gpu_addr);
extern void radeon_bo_unpin(struct radeon_bo *bo);
extern int radeon_bo_evict_vram(struct radeon_device *rdev);
extern void radeon_bo_force_delete(struct radeon_device *rdev);
extern int radeon_bo_init(struct radeon_device *rdev);
extern void radeon_bo_fini(struct radeon_device *rdev);
extern int radeon_bo_list_validate(struct radeon_device *rdev,
struct ww_acquire_ctx *ticket,
struct list_head *head, int ring);
extern int radeon_bo_set_tiling_flags(struct radeon_bo *bo,
u32 tiling_flags, u32 pitch);
extern void radeon_bo_get_tiling_flags(struct radeon_bo *bo,
u32 *tiling_flags, u32 *pitch);
extern int radeon_bo_check_tiling(struct radeon_bo *bo, bool has_moved,
bool force_drop);
extern void radeon_bo_move_notify(struct ttm_buffer_object *bo);
extern vm_fault_t radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo);
extern int radeon_bo_get_surface_reg(struct radeon_bo *bo);
extern void radeon_bo_fence(struct radeon_bo *bo, struct radeon_fence *fence,
bool shared);
/*
* sub allocation
*/
static inline struct radeon_sa_manager *
to_radeon_sa_manager(struct drm_suballoc_manager *manager)
{
return container_of(manager, struct radeon_sa_manager, base);
}
static inline uint64_t radeon_sa_bo_gpu_addr(struct drm_suballoc *sa_bo)
{
return to_radeon_sa_manager(sa_bo->manager)->gpu_addr +
drm_suballoc_soffset(sa_bo);
}
static inline void *radeon_sa_bo_cpu_addr(struct drm_suballoc *sa_bo)
{
return to_radeon_sa_manager(sa_bo->manager)->cpu_ptr +
drm_suballoc_soffset(sa_bo);
}
extern int radeon_sa_bo_manager_init(struct radeon_device *rdev,
struct radeon_sa_manager *sa_manager,
unsigned size, u32 align, u32 domain,
u32 flags);
extern void radeon_sa_bo_manager_fini(struct radeon_device *rdev,
struct radeon_sa_manager *sa_manager);
extern int radeon_sa_bo_manager_start(struct radeon_device *rdev,
struct radeon_sa_manager *sa_manager);
extern int radeon_sa_bo_manager_suspend(struct radeon_device *rdev,
struct radeon_sa_manager *sa_manager);
extern int radeon_sa_bo_new(struct radeon_sa_manager *sa_manager,
struct drm_suballoc **sa_bo,
unsigned int size, unsigned int align);
extern void radeon_sa_bo_free(struct drm_suballoc **sa_bo,
struct radeon_fence *fence);
#if defined(CONFIG_DEBUG_FS)
extern void radeon_sa_bo_dump_debug_info(struct radeon_sa_manager *sa_manager,
struct seq_file *m);
#endif
#endif
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