diff options
author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2011-10-25 17:19:27 -0400 |
---|---|---|
committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2011-12-21 18:33:23 -0500 |
commit | 7a6e0daaf4058d1b7dd515bc470ec904454a798c (patch) | |
tree | 4646ba40836b290dafd47055d6ed485fd6c7bdc7 /include/drm | |
parent | be2fb9da32cb88a1311350de3d1db8f9e461ae9f (diff) |
drm: kill drm_sman
No longer used.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'include/drm')
-rw-r--r-- | include/drm/drm_sman.h | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/include/drm/drm_sman.h b/include/drm/drm_sman.h deleted file mode 100644 index 031e52189295..000000000000 --- a/include/drm/drm_sman.h +++ /dev/null | |||
@@ -1,151 +0,0 @@ | |||
1 | /************************************************************************** | ||
2 | * | ||
3 | * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA. | ||
4 | * All Rights Reserved. | ||
5 | * | ||
6 | * Permission is hereby granted, free of charge, to any person obtaining a | ||
7 | * copy of this software and associated documentation files (the | ||
8 | * "Software"), to deal in the Software without restriction, including | ||
9 | * without limitation the rights to use, copy, modify, merge, publish, | ||
10 | * distribute, sub license, and/or sell copies of the Software, and to | ||
11 | * permit persons to whom the Software is furnished to do so, subject to | ||
12 | * the following conditions: | ||
13 | * | ||
14 | * The above copyright notice and this permission notice (including the | ||
15 | * next paragraph) shall be included in all copies or substantial portions | ||
16 | * of the Software. | ||
17 | * | ||
18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
20 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL | ||
21 | * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, | ||
22 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR | ||
23 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE | ||
24 | * USE OR OTHER DEALINGS IN THE SOFTWARE. | ||
25 | * | ||
26 | * | ||
27 | **************************************************************************/ | ||
28 | /* | ||
29 | * Simple memory MANager interface that keeps track on allocate regions on a | ||
30 | * per "owner" basis. All regions associated with an "owner" can be released | ||
31 | * with a simple call. Typically if the "owner" exists. The owner is any | ||
32 | * "unsigned long" identifier. Can typically be a pointer to a file private | ||
33 | * struct or a context identifier. | ||
34 | * | ||
35 | * Authors: | ||
36 | * Thomas Hellström <thomas-at-tungstengraphics-dot-com> | ||
37 | */ | ||
38 | |||
39 | #ifndef DRM_SMAN_H | ||
40 | #define DRM_SMAN_H | ||
41 | |||
42 | #include "drmP.h" | ||
43 | #include "drm_hashtab.h" | ||
44 | |||
45 | /* | ||
46 | * A class that is an abstration of a simple memory allocator. | ||
47 | * The sman implementation provides a default such allocator | ||
48 | * using the drm_mm.c implementation. But the user can replace it. | ||
49 | * See the SiS implementation, which may use the SiS FB kernel module | ||
50 | * for memory management. | ||
51 | */ | ||
52 | |||
53 | struct drm_sman_mm { | ||
54 | /* private info. If allocated, needs to be destroyed by the destroy | ||
55 | function */ | ||
56 | void *private; | ||
57 | |||
58 | /* Allocate a memory block with given size and alignment. | ||
59 | Return an opaque reference to the memory block */ | ||
60 | |||
61 | void *(*allocate) (void *private, unsigned long size, | ||
62 | unsigned alignment); | ||
63 | |||
64 | /* Free a memory block. "ref" is the opaque reference that we got from | ||
65 | the "alloc" function */ | ||
66 | |||
67 | void (*free) (void *private, void *ref); | ||
68 | |||
69 | /* Free all resources associated with this allocator */ | ||
70 | |||
71 | void (*destroy) (void *private); | ||
72 | |||
73 | /* Return a memory offset from the opaque reference returned from the | ||
74 | "alloc" function */ | ||
75 | |||
76 | unsigned long (*offset) (void *private, void *ref); | ||
77 | }; | ||
78 | |||
79 | struct drm_memblock_item { | ||
80 | struct list_head owner_list; | ||
81 | struct drm_hash_item user_hash; | ||
82 | void *mm_info; | ||
83 | struct drm_sman_mm *mm; | ||
84 | struct drm_sman *sman; | ||
85 | }; | ||
86 | |||
87 | struct drm_sman { | ||
88 | struct drm_sman_mm *mm; | ||
89 | int num_managers; | ||
90 | }; | ||
91 | |||
92 | /* | ||
93 | * Take down a memory manager. This function should only be called after a | ||
94 | * successful init and after a call to drm_sman_cleanup. | ||
95 | */ | ||
96 | |||
97 | extern void drm_sman_takedown(struct drm_sman * sman); | ||
98 | |||
99 | /* | ||
100 | * Allocate structures for a manager. | ||
101 | * num_managers are the number of memory pools to manage. (VRAM, AGP, ....) | ||
102 | * user_order is the log2 of the number of buckets in the user hash table. | ||
103 | * set this to approximately log2 of the max number of memory regions | ||
104 | * that will be allocated for _all_ pools together. | ||
105 | * owner_order is the log2 of the number of buckets in the owner hash table. | ||
106 | * set this to approximately log2 of | ||
107 | * the number of client file connections that will | ||
108 | * be using the manager. | ||
109 | * | ||
110 | */ | ||
111 | |||
112 | extern int drm_sman_init(struct drm_sman * sman, unsigned int num_managers, | ||
113 | unsigned int user_order, unsigned int owner_order); | ||
114 | |||
115 | /* | ||
116 | * Initialize a drm_mm.c allocator. Should be called only once for each | ||
117 | * manager unless a customized allogator is used. | ||
118 | */ | ||
119 | |||
120 | extern int drm_sman_set_range(struct drm_sman * sman, unsigned int manager, | ||
121 | unsigned long start, unsigned long size); | ||
122 | |||
123 | /* | ||
124 | * Initialize a customized allocator for one of the managers. | ||
125 | * (See the SiS module). The object pointed to by "allocator" is copied, | ||
126 | * so it can be destroyed after this call. | ||
127 | */ | ||
128 | |||
129 | extern int drm_sman_set_manager(struct drm_sman * sman, unsigned int mananger, | ||
130 | struct drm_sman_mm * allocator); | ||
131 | |||
132 | /* | ||
133 | * Allocate a memory block. Aligment is not implemented yet. | ||
134 | */ | ||
135 | |||
136 | extern struct drm_memblock_item *drm_sman_alloc(struct drm_sman * sman, | ||
137 | unsigned int manager, | ||
138 | unsigned long size, | ||
139 | unsigned alignment, | ||
140 | unsigned long owner); | ||
141 | |||
142 | extern void drm_sman_free(struct drm_memblock_item *item); | ||
143 | |||
144 | /* | ||
145 | * Frees all stale memory blocks associated with the memory manager. | ||
146 | * See idling above. | ||
147 | */ | ||
148 | |||
149 | extern void drm_sman_cleanup(struct drm_sman * sman); | ||
150 | |||
151 | #endif | ||