1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
/****************************************************************************
* Copyright (C) 2003-2006 by XGI Technology, Taiwan.
* *
* All Rights Reserved. *
* *
* 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 on 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 (including the
* next paragraph) 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
* NON-INFRINGEMENT. IN NO EVENT SHALL XGI AND/OR
* ITS SUPPLIERS 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 _XGI_FB_H_
#define _XGI_FB_H_
typedef struct xgi_mem_block_s {
struct list_head list;
unsigned long offset;
unsigned long size;
atomic_t use_count;
} xgi_mem_block_t;
typedef struct xgi_mem_heap_s {
struct list_head free_list;
struct list_head used_list;
struct list_head sort_list;
unsigned long max_freesize;
spinlock_t lock;
} xgi_mem_heap_t;
#if 0
typedef struct xgi_mem_block_s {
struct xgi_mem_block_s *next;
struct xgi_mem_block_s *prev;
unsigned long offset;
unsigned long size;
atomic_t use_count;
} xgi_mem_block_t;
typedef struct xgi_mem_list_s {
xgi_mem_block_t *head;
xgi_mem_block_t *tail;
} xgi_mem_list_t;
typedef struct xgi_mem_heap_s {
xgi_mem_list_t *free_list;
xgi_mem_list_t *used_list;
xgi_mem_list_t *sort_list;
unsigned long max_freesize;
spinlock_t lock;
} xgi_mem_heap_t;
#endif
#endif
|
