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1 /*
2  * Copyright © 2015 Intel Corporation
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 (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21  * IN THE SOFTWARE.
22  */
23 
24 #include "anv_private.h"
25 #include "test_common.h"
26 
main(void)27 int main(void)
28 {
29    struct anv_physical_device physical_device = {
30       .use_softpin = true,
31    };
32    struct anv_device device = {
33       .physical = &physical_device,
34    };
35    struct anv_block_pool pool;
36 
37    /* Create a pool with initial size smaller than the block allocated, so
38     * that it must grow in the first allocation.
39     */
40    const uint32_t block_size = 16 * 1024;
41    const uint32_t initial_size = block_size / 2;
42 
43    pthread_mutex_init(&device.mutex, NULL);
44    anv_bo_cache_init(&device.bo_cache);
45    anv_block_pool_init(&pool, &device, 4096, initial_size);
46    ASSERT(pool.size == initial_size);
47 
48    uint32_t padding;
49    int32_t offset = anv_block_pool_alloc(&pool, block_size, &padding);
50 
51    /* Pool will have grown at least space to fit the new allocation. */
52    ASSERT(pool.size > initial_size);
53    ASSERT(pool.size >= initial_size + block_size);
54 
55    /* The whole initial size is considered padding and the allocation should be
56     * right next to it.
57     */
58    ASSERT(padding == initial_size);
59    ASSERT(offset == initial_size);
60 
61    /* Use the memory to ensure it is valid. */
62    void *map = anv_block_pool_map(&pool, offset, block_size);
63    memset(map, 22, block_size);
64 
65    anv_block_pool_finish(&pool);
66 }
67