cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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amdgpu_bo_list.h (2887B)

      1/*
      2 * Copyright 2018 Advanced Micro Devices, Inc.
      3 *
      4 * Permission is hereby granted, free of charge, to any person obtaining a
      5 * copy of this software and associated documentation files (the "Software"),
      6 * to deal in the Software without restriction, including without limitation
      7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      8 * and/or sell copies of the Software, and to permit persons to whom the
      9 * Software is furnished to do so, subject to the following conditions:
     10 *
     11 * The above copyright notice and this permission notice shall be included in
     12 * all copies or substantial portions of the Software.
     13 *
     14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     20 * OTHER DEALINGS IN THE SOFTWARE.
     21 *
     22 */
     23#ifndef __AMDGPU_BO_LIST_H__
     24#define __AMDGPU_BO_LIST_H__
     25
     26#include <drm/ttm/ttm_execbuf_util.h>
     27#include <drm/amdgpu_drm.h>
     28
     29struct amdgpu_device;
     30struct amdgpu_bo;
     31struct amdgpu_bo_va;
     32struct amdgpu_fpriv;
     33
     34struct amdgpu_bo_list_entry {
     35	struct ttm_validate_buffer	tv;
     36	struct amdgpu_bo_va		*bo_va;
     37	uint32_t			priority;
     38	struct page			**user_pages;
     39	bool				user_invalidated;
     40};
     41
     42struct amdgpu_bo_list {
     43	struct rcu_head rhead;
     44	struct kref refcount;
     45	struct amdgpu_bo *gds_obj;
     46	struct amdgpu_bo *gws_obj;
     47	struct amdgpu_bo *oa_obj;
     48	unsigned first_userptr;
     49	unsigned num_entries;
     50};
     51
     52int amdgpu_bo_list_get(struct amdgpu_fpriv *fpriv, int id,
     53		       struct amdgpu_bo_list **result);
     54void amdgpu_bo_list_get_list(struct amdgpu_bo_list *list,
     55			     struct list_head *validated);
     56void amdgpu_bo_list_put(struct amdgpu_bo_list *list);
     57int amdgpu_bo_create_list_entry_array(struct drm_amdgpu_bo_list_in *in,
     58				      struct drm_amdgpu_bo_list_entry **info_param);
     59
     60int amdgpu_bo_list_create(struct amdgpu_device *adev,
     61				 struct drm_file *filp,
     62				 struct drm_amdgpu_bo_list_entry *info,
     63				 size_t num_entries,
     64				 struct amdgpu_bo_list **list);
     65
     66static inline struct amdgpu_bo_list_entry *
     67amdgpu_bo_list_array_entry(struct amdgpu_bo_list *list, unsigned index)
     68{
     69	struct amdgpu_bo_list_entry *array = (void *)&list[1];
     70
     71	return &array[index];
     72}
     73
     74#define amdgpu_bo_list_for_each_entry(e, list) \
     75	for (e = amdgpu_bo_list_array_entry(list, 0); \
     76	     e != amdgpu_bo_list_array_entry(list, (list)->num_entries); \
     77	     ++e)
     78
     79#define amdgpu_bo_list_for_each_userptr_entry(e, list) \
     80	for (e = amdgpu_bo_list_array_entry(list, (list)->first_userptr); \
     81	     e != amdgpu_bo_list_array_entry(list, (list)->num_entries); \
     82	     ++e)
     83
     84#endif