[linux-block.git] / drivers / gpu / drm / amd / amdgpu / amdgpu_bo_list.h

/*
 * Copyright 2018 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_BO_LIST_H__
#define __AMDGPU_BO_LIST_H__

#include <drm/ttm/ttm_execbuf_util.h>
#include <drm/amdgpu_drm.h>

struct amdgpu_device;
struct amdgpu_bo;
struct amdgpu_bo_va;
struct amdgpu_fpriv;

struct amdgpu_bo_list_entry {
	struct ttm_validate_buffer	tv;
	struct amdgpu_bo_va		*bo_va;
	uint32_t			priority;
	struct page			**user_pages;
	bool				user_invalidated;
};

struct amdgpu_bo_list {
	struct rcu_head rhead;
	struct kref refcount;
	struct amdgpu_bo *gds_obj;
	struct amdgpu_bo *gws_obj;
	struct amdgpu_bo *oa_obj;
	unsigned first_userptr;
	unsigned num_entries;
};

int amdgpu_bo_list_get(struct amdgpu_fpriv *fpriv, int id,
		       struct amdgpu_bo_list **result);
void amdgpu_bo_list_get_list(struct amdgpu_bo_list *list,
			     struct list_head *validated);
void amdgpu_bo_list_put(struct amdgpu_bo_list *list);
int amdgpu_bo_create_list_entry_array(struct drm_amdgpu_bo_list_in *in,
				      struct drm_amdgpu_bo_list_entry **info_param);

int amdgpu_bo_list_create(struct amdgpu_device *adev,
				 struct drm_file *filp,
				 struct drm_amdgpu_bo_list_entry *info,
				 size_t num_entries,
				 struct amdgpu_bo_list **list);

static inline struct amdgpu_bo_list_entry *
amdgpu_bo_list_array_entry(struct amdgpu_bo_list *list, unsigned index)
{
	struct amdgpu_bo_list_entry *array = (void *)&list[1];

	return &array[index];
}

#define amdgpu_bo_list_for_each_entry(e, list) \
	for (e = amdgpu_bo_list_array_entry(list, 0); \
	     e != amdgpu_bo_list_array_entry(list, (list)->num_entries); \
	     ++e)

#define amdgpu_bo_list_for_each_userptr_entry(e, list) \
	for (e = amdgpu_bo_list_array_entry(list, (list)->first_userptr); \
	     e != amdgpu_bo_list_array_entry(list, (list)->num_entries); \
	     ++e)

#endif
Commit	Line	Data
4a8c21a1 CK	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
	29	struct amdgpu_device;
	30	struct amdgpu_bo;
	31	struct amdgpu_bo_va;
	32	struct amdgpu_fpriv;
	33
	34	struct amdgpu_bo_list_entry {
4a8c21a1 CK	35	struct ttm_validate_buffer tv;
	36	struct amdgpu_bo_va *bo_va;
	37	uint32_t priority;
	38	struct page **user_pages;
899fbde1	39	bool user_invalidated;
4a8c21a1 CK	40	};
	41
	42	struct amdgpu_bo_list {
4a8c21a1 CK	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;
4a8c21a1 CK	50	};
	51
	52	int amdgpu_bo_list_get(struct amdgpu_fpriv *fpriv, int id,
	53	struct amdgpu_bo_list **result);
	54	void amdgpu_bo_list_get_list(struct amdgpu_bo_list *list,
	55	struct list_head *validated);
	56	void amdgpu_bo_list_put(struct amdgpu_bo_list *list);
4a8c21a1 CK	57	int amdgpu_bo_create_list_entry_array(struct drm_amdgpu_bo_list_in *in,
	58	struct drm_amdgpu_bo_list_entry **info_param);
	59
	60	int amdgpu_bo_list_create(struct amdgpu_device *adev,
	61	struct drm_file *filp,
	62	struct drm_amdgpu_bo_list_entry *info,
335aea75	63	size_t num_entries,
4a8c21a1 CK	64	struct amdgpu_bo_list **list);
4a8c21a1 CK	65
920990cb CK	66	static inline struct amdgpu_bo_list_entry *
	67	amdgpu_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
39f7f69a	74	#define amdgpu_bo_list_for_each_entry(e, list) \
920990cb CK	75	for (e = amdgpu_bo_list_array_entry(list, 0); \
920990cb CK	76	e != amdgpu_bo_list_array_entry(list, (list)->num_entries); \
39f7f69a CK	77	++e)
	78
	79	#define amdgpu_bo_list_for_each_userptr_entry(e, list) \
920990cb CK	80	for (e = amdgpu_bo_list_array_entry(list, (list)->first_userptr); \
920990cb CK	81	e != amdgpu_bo_list_array_entry(list, (list)->num_entries); \
39f7f69a CK	82	++e)
39f7f69a CK	83
4a8c21a1	84	#endif