diff options
Diffstat (limited to 'kernel/drivers/gpu/drm/radeon/radeon_object.h')
| -rw-r--r-- | kernel/drivers/gpu/drm/radeon/radeon_object.h | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/kernel/drivers/gpu/drm/radeon/radeon_object.h b/kernel/drivers/gpu/drm/radeon/radeon_object.h new file mode 100644 index 000000000..d8d295ee7 --- /dev/null +++ b/kernel/drivers/gpu/drm/radeon/radeon_object.h @@ -0,0 +1,196 @@ +/* + * 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, 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) +{ + return bo->tbo.offset; +} + +static inline unsigned long radeon_bo_size(struct radeon_bo *bo) +{ + return bo->tbo.num_pages << PAGE_SHIFT; +} + +static inline unsigned radeon_bo_ngpu_pages(struct radeon_bo *bo) +{ + return (bo->tbo.num_pages << PAGE_SHIFT) / RADEON_GPU_PAGE_SIZE; +} + +static inline unsigned radeon_bo_gpu_page_alignment(struct radeon_bo *bo) +{ + return (bo->tbo.mem.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.vma_node); +} + +extern int radeon_bo_wait(struct radeon_bo *bo, u32 *mem_type, + bool no_wait); + +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 reservation_object *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 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 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, + struct ttm_mem_reg *new_mem); +extern int 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 uint64_t radeon_sa_bo_gpu_addr(struct radeon_sa_bo *sa_bo) +{ + return sa_bo->manager->gpu_addr + sa_bo->soffset; +} + +static inline void * radeon_sa_bo_cpu_addr(struct radeon_sa_bo *sa_bo) +{ + return sa_bo->manager->cpu_ptr + sa_bo->soffset; +} + +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_device *rdev, + struct radeon_sa_manager *sa_manager, + struct radeon_sa_bo **sa_bo, + unsigned size, unsigned align); +extern void radeon_sa_bo_free(struct radeon_device *rdev, + struct radeon_sa_bo **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 |