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1 /*
2  * Copyright (C) 2021 HiSilicon (Shanghai) Technologies CO., LIMITED.
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation; either version 2
7  * of the License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
17  */
18 
19 #ifndef __ALLOCATOR_H__
20 #define __ALLOCATOR_H__
21 
22 #include <linux/device.h>
23 #include "osal_mmz.h"
24 
25 #define NAME_LEN_MAX 64
26 
27 struct mmz_allocator {
28     int (*init)(char *args);
29     hil_mmb_t *(*mmb_alloc)(const char *name,
30                             unsigned long size,
31                             unsigned long align,
32                             unsigned long gfp,
33                             const char *mmz_name,
34                             hil_mmz_t *_user_mmz);
35     hil_mmb_t *(*mmb_alloc_v2)(const char *name,
36                                unsigned long size,
37                                unsigned long align,
38                                unsigned long gfp,
39                                const char *mmz_name,
40                                hil_mmz_t *_user_mmz,
41                                unsigned int order);
42     void *(*mmb_map2kern)(hil_mmb_t *mmb, int cached);
43     int (*mmb_unmap)(hil_mmb_t *mmb);
44     void (*mmb_free)(hil_mmb_t *mmb);
45     void *(*mmf_map)(phys_addr_t phys, int len, int cache);
46     void (*mmf_unmap)(void *virt);
47 };
48 
49 int cma_allocator_setopt(struct mmz_allocator *allocator);
50 int hisi_allocator_setopt(struct mmz_allocator *allocator);
51 
52 #endif /* __ALLOCATOR_H__ */
53