You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
173 lines
5.5 KiB
173 lines
5.5 KiB
/*
|
|
* 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_wait: don't sleep while trying to reserve (return -EBUSY)
|
|
*
|
|
* Returns:
|
|
* -EBUSY: buffer is busy and @no_wait is true
|
|
* -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_wait)
|
|
{
|
|
int r;
|
|
|
|
r = ttm_bo_reserve(&bo->tbo, true, no_wait, false, 0);
|
|
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 usefull to add check for this for debugging.
|
|
*/
|
|
static inline u64 radeon_bo_gpu_offset(struct radeon_bo *bo)
|
|
{
|
|
return bo->tbo.offset;
|
|
}
|
|
|
|
static inline unsigned long radeon_bo_size(struct radeon_bo *bo)
|
|
{
|
|
return bo->tbo.num_pages << PAGE_SHIFT;
|
|
}
|
|
|
|
static inline bool radeon_bo_is_reserved(struct radeon_bo *bo)
|
|
{
|
|
return !!atomic_read(&bo->tbo.reserved);
|
|
}
|
|
|
|
/**
|
|
* radeon_bo_mmap_offset - return mmap offset of bo
|
|
* @bo: radeon object for which we query the offset
|
|
*
|
|
* Returns mmap offset of the object.
|
|
*
|
|
* Note: addr_space_offset is constant after ttm bo init thus isn't protected
|
|
* by any lock.
|
|
*/
|
|
static inline u64 radeon_bo_mmap_offset(struct radeon_bo *bo)
|
|
{
|
|
return bo->tbo.addr_space_offset;
|
|
}
|
|
|
|
static inline int radeon_bo_wait(struct radeon_bo *bo, u32 *mem_type,
|
|
bool no_wait)
|
|
{
|
|
int r;
|
|
|
|
r = ttm_bo_reserve(&bo->tbo, true, no_wait, false, 0);
|
|
if (unlikely(r != 0)) {
|
|
if (r != -ERESTARTSYS)
|
|
dev_err(bo->rdev->dev, "%p reserve failed for wait\n", bo);
|
|
return r;
|
|
}
|
|
spin_lock(&bo->tbo.lock);
|
|
if (mem_type)
|
|
*mem_type = bo->tbo.mem.mem_type;
|
|
if (bo->tbo.sync_obj)
|
|
r = ttm_bo_wait(&bo->tbo, true, true, no_wait);
|
|
spin_unlock(&bo->tbo.lock);
|
|
ttm_bo_unreserve(&bo->tbo);
|
|
return r;
|
|
}
|
|
|
|
extern int radeon_bo_create(struct radeon_device *rdev,
|
|
struct drm_gem_object *gobj, unsigned long size,
|
|
bool kernel, u32 domain,
|
|
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 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_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 void radeon_bo_list_add_object(struct radeon_bo_list *lobj,
|
|
struct list_head *head);
|
|
extern int radeon_bo_list_reserve(struct list_head *head);
|
|
extern void radeon_bo_list_unreserve(struct list_head *head);
|
|
extern int radeon_bo_list_validate(struct list_head *head);
|
|
extern void radeon_bo_list_fence(struct list_head *head, void *fence);
|
|
extern int radeon_bo_fbdev_mmap(struct radeon_bo *bo,
|
|
struct vm_area_struct *vma);
|
|
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,
|
|
struct ttm_mem_reg *mem);
|
|
extern void radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo);
|
|
extern int radeon_bo_get_surface_reg(struct radeon_bo *bo);
|
|
#endif
|
|
|