188 lines
6.3 KiB
C
188 lines
6.3 KiB
C
/*
|
|
* Copyright 2016 Advanced Micro Devices, Inc.
|
|
*
|
|
* 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.
|
|
*
|
|
*/
|
|
|
|
#ifndef __AMDGPU_TTM_H__
|
|
#define __AMDGPU_TTM_H__
|
|
|
|
#include <linux/dma-direction.h>
|
|
#include <drm/gpu_scheduler.h>
|
|
#include "amdgpu.h"
|
|
|
|
#define AMDGPU_PL_GDS (TTM_PL_PRIV + 0)
|
|
#define AMDGPU_PL_GWS (TTM_PL_PRIV + 1)
|
|
#define AMDGPU_PL_OA (TTM_PL_PRIV + 2)
|
|
|
|
#define AMDGPU_GTT_MAX_TRANSFER_SIZE 512
|
|
#define AMDGPU_GTT_NUM_TRANSFER_WINDOWS 2
|
|
|
|
#define AMDGPU_POISON 0xd0bed0be
|
|
|
|
struct amdgpu_vram_reservation {
|
|
struct list_head node;
|
|
struct drm_mm_node mm_node;
|
|
};
|
|
|
|
struct amdgpu_vram_mgr {
|
|
struct ttm_resource_manager manager;
|
|
struct drm_mm mm;
|
|
spinlock_t lock;
|
|
struct list_head reservations_pending;
|
|
struct list_head reserved_pages;
|
|
atomic64_t usage;
|
|
atomic64_t vis_usage;
|
|
};
|
|
|
|
struct amdgpu_gtt_mgr {
|
|
struct ttm_resource_manager manager;
|
|
struct drm_mm mm;
|
|
spinlock_t lock;
|
|
atomic64_t available;
|
|
};
|
|
|
|
struct amdgpu_mman {
|
|
struct ttm_device bdev;
|
|
bool initialized;
|
|
void __iomem *aper_base_kaddr;
|
|
|
|
/* buffer handling */
|
|
const struct amdgpu_buffer_funcs *buffer_funcs;
|
|
struct amdgpu_ring *buffer_funcs_ring;
|
|
bool buffer_funcs_enabled;
|
|
|
|
struct mutex gtt_window_lock;
|
|
/* Scheduler entity for buffer moves */
|
|
struct drm_sched_entity entity;
|
|
|
|
struct amdgpu_vram_mgr vram_mgr;
|
|
struct amdgpu_gtt_mgr gtt_mgr;
|
|
|
|
uint64_t stolen_vga_size;
|
|
struct amdgpu_bo *stolen_vga_memory;
|
|
uint64_t stolen_extended_size;
|
|
struct amdgpu_bo *stolen_extended_memory;
|
|
bool keep_stolen_vga_memory;
|
|
|
|
/* discovery */
|
|
uint8_t *discovery_bin;
|
|
uint32_t discovery_tmr_size;
|
|
struct amdgpu_bo *discovery_memory;
|
|
|
|
/* firmware VRAM reservation */
|
|
u64 fw_vram_usage_start_offset;
|
|
u64 fw_vram_usage_size;
|
|
struct amdgpu_bo *fw_vram_usage_reserved_bo;
|
|
void *fw_vram_usage_va;
|
|
};
|
|
|
|
struct amdgpu_copy_mem {
|
|
struct ttm_buffer_object *bo;
|
|
struct ttm_resource *mem;
|
|
unsigned long offset;
|
|
};
|
|
|
|
int amdgpu_gtt_mgr_init(struct amdgpu_device *adev, uint64_t gtt_size);
|
|
void amdgpu_gtt_mgr_fini(struct amdgpu_device *adev);
|
|
int amdgpu_vram_mgr_init(struct amdgpu_device *adev);
|
|
void amdgpu_vram_mgr_fini(struct amdgpu_device *adev);
|
|
|
|
bool amdgpu_gtt_mgr_has_gart_addr(struct ttm_resource *mem);
|
|
uint64_t amdgpu_gtt_mgr_usage(struct ttm_resource_manager *man);
|
|
int amdgpu_gtt_mgr_recover(struct ttm_resource_manager *man);
|
|
|
|
u64 amdgpu_vram_mgr_bo_visible_size(struct amdgpu_bo *bo);
|
|
int amdgpu_vram_mgr_alloc_sgt(struct amdgpu_device *adev,
|
|
struct ttm_resource *mem,
|
|
u64 offset, u64 size,
|
|
struct device *dev,
|
|
enum dma_data_direction dir,
|
|
struct sg_table **sgt);
|
|
void amdgpu_vram_mgr_free_sgt(struct device *dev,
|
|
enum dma_data_direction dir,
|
|
struct sg_table *sgt);
|
|
uint64_t amdgpu_vram_mgr_usage(struct ttm_resource_manager *man);
|
|
uint64_t amdgpu_vram_mgr_vis_usage(struct ttm_resource_manager *man);
|
|
int amdgpu_vram_mgr_reserve_range(struct ttm_resource_manager *man,
|
|
uint64_t start, uint64_t size);
|
|
int amdgpu_vram_mgr_query_page_status(struct ttm_resource_manager *man,
|
|
uint64_t start);
|
|
|
|
int amdgpu_ttm_init(struct amdgpu_device *adev);
|
|
void amdgpu_ttm_fini(struct amdgpu_device *adev);
|
|
void amdgpu_ttm_set_buffer_funcs_status(struct amdgpu_device *adev,
|
|
bool enable);
|
|
|
|
int amdgpu_copy_buffer(struct amdgpu_ring *ring, uint64_t src_offset,
|
|
uint64_t dst_offset, uint32_t byte_count,
|
|
struct dma_resv *resv,
|
|
struct dma_fence **fence, bool direct_submit,
|
|
bool vm_needs_flush, bool tmz);
|
|
int amdgpu_ttm_copy_mem_to_mem(struct amdgpu_device *adev,
|
|
const struct amdgpu_copy_mem *src,
|
|
const struct amdgpu_copy_mem *dst,
|
|
uint64_t size, bool tmz,
|
|
struct dma_resv *resv,
|
|
struct dma_fence **f);
|
|
int amdgpu_fill_buffer(struct amdgpu_bo *bo,
|
|
uint32_t src_data,
|
|
struct dma_resv *resv,
|
|
struct dma_fence **fence);
|
|
|
|
int amdgpu_mmap(struct file *filp, struct vm_area_struct *vma);
|
|
int amdgpu_ttm_alloc_gart(struct ttm_buffer_object *bo);
|
|
int amdgpu_ttm_recover_gart(struct ttm_buffer_object *tbo);
|
|
uint64_t amdgpu_ttm_domain_start(struct amdgpu_device *adev, uint32_t type);
|
|
|
|
#if IS_ENABLED(CONFIG_DRM_AMDGPU_USERPTR)
|
|
int amdgpu_ttm_tt_get_user_pages(struct amdgpu_bo *bo, struct page **pages);
|
|
bool amdgpu_ttm_tt_get_user_pages_done(struct ttm_tt *ttm);
|
|
#else
|
|
static inline int amdgpu_ttm_tt_get_user_pages(struct amdgpu_bo *bo,
|
|
struct page **pages)
|
|
{
|
|
return -EPERM;
|
|
}
|
|
static inline bool amdgpu_ttm_tt_get_user_pages_done(struct ttm_tt *ttm)
|
|
{
|
|
return false;
|
|
}
|
|
#endif
|
|
|
|
void amdgpu_ttm_tt_set_user_pages(struct ttm_tt *ttm, struct page **pages);
|
|
int amdgpu_ttm_tt_set_userptr(struct ttm_buffer_object *bo,
|
|
uint64_t addr, uint32_t flags);
|
|
bool amdgpu_ttm_tt_has_userptr(struct ttm_tt *ttm);
|
|
struct mm_struct *amdgpu_ttm_tt_get_usermm(struct ttm_tt *ttm);
|
|
bool amdgpu_ttm_tt_affect_userptr(struct ttm_tt *ttm, unsigned long start,
|
|
unsigned long end);
|
|
bool amdgpu_ttm_tt_userptr_invalidated(struct ttm_tt *ttm,
|
|
int *last_invalidated);
|
|
bool amdgpu_ttm_tt_is_userptr(struct ttm_tt *ttm);
|
|
bool amdgpu_ttm_tt_is_readonly(struct ttm_tt *ttm);
|
|
uint64_t amdgpu_ttm_tt_pde_flags(struct ttm_tt *ttm, struct ttm_resource *mem);
|
|
uint64_t amdgpu_ttm_tt_pte_flags(struct amdgpu_device *adev, struct ttm_tt *ttm,
|
|
struct ttm_resource *mem);
|
|
|
|
void amdgpu_ttm_debugfs_init(struct amdgpu_device *adev);
|
|
|
|
#endif
|