1 /*
2 * Copyright © 2008 Jérôme Glisse
3 * Copyright © 2011 Marek Olšák <maraeo@gmail.com>
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining
7 * a 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 SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
15 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
16 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
17 * NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS
18 * AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
22 *
23 * The above copyright notice and this permission notice (including the
24 * next paragraph) shall be included in all copies or substantial portions
25 * of the Software.
26 */
27 /*
28 * Authors:
29 * Jérôme Glisse <glisse@freedesktop.org>
30 * Marek Olšák <maraeo@gmail.com>
31 */
32 #ifndef RADEON_DRM_BO_H
33 #define RADEON_DRM_BO_H
34
35 #include "radeon_drm_winsys.h"
36 #include "os/os_thread.h"
37 #include "pipebuffer/pb_slab.h"
38
39 struct radeon_bo {
40 struct pb_buffer base;
41 union {
42 struct {
43 struct pb_cache_entry cache_entry;
44
45 void *ptr;
46 pipe_mutex map_mutex;
47 unsigned map_count;
48 bool use_reusable_pool;
49 } real;
50 struct {
51 struct pb_slab_entry entry;
52 struct radeon_bo *real;
53
54 unsigned num_fences;
55 unsigned max_fences;
56 struct radeon_bo **fences;
57 } slab;
58 } u;
59
60 struct radeon_drm_winsys *rws;
61 void *user_ptr; /* from buffer_from_ptr */
62
63 uint32_t handle; /* 0 for slab entries */
64 uint32_t flink_name;
65 uint64_t va;
66 uint32_t hash;
67 enum radeon_bo_domain initial_domain;
68
69 /* how many command streams is this bo referenced in? */
70 int num_cs_references;
71
72 /* how many command streams, which are being emitted in a separate
73 * thread, is this bo referenced in? */
74 int num_active_ioctls;
75 };
76
77 struct radeon_slab {
78 struct pb_slab base;
79 struct radeon_bo *buffer;
80 struct radeon_bo *entries;
81 };
82
83 void radeon_bo_destroy(struct pb_buffer *_buf);
84 bool radeon_bo_can_reclaim(struct pb_buffer *_buf);
85 void radeon_drm_bo_init_functions(struct radeon_drm_winsys *ws);
86
87 bool radeon_bo_can_reclaim_slab(void *priv, struct pb_slab_entry *entry);
88 struct pb_slab *radeon_bo_slab_alloc(void *priv, unsigned heap,
89 unsigned entry_size,
90 unsigned group_index);
91 void radeon_bo_slab_free(void *priv, struct pb_slab *slab);
92
93 static inline
radeon_bo_reference(struct radeon_bo ** dst,struct radeon_bo * src)94 void radeon_bo_reference(struct radeon_bo **dst, struct radeon_bo *src)
95 {
96 pb_reference((struct pb_buffer**)dst, (struct pb_buffer*)src);
97 }
98
99 void *radeon_bo_do_map(struct radeon_bo *bo);
100
101 #endif
102