1 /*
2 * Copyright © 2018 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
27 void state_pool_padding_test(void);
28
state_pool_padding_test(void)29 void state_pool_padding_test(void)
30 {
31 struct anv_physical_device physical_device = {
32 .use_softpin = true,
33 };
34 struct anv_device device = {};
35 struct anv_state_pool state_pool;
36
37 anv_device_set_physical(&device, &physical_device);
38 pthread_mutex_init(&device.mutex, NULL);
39 anv_bo_cache_init(&device.bo_cache, &device);
40 anv_state_pool_init(&state_pool, &device, "test", 4096, 0, 4096);
41
42 /* Get the size of the underlying block_pool */
43 struct anv_block_pool *bp = &state_pool.block_pool;
44 uint64_t pool_size = bp->size;
45
46 /* Grab one so the pool has some initial usage */
47 anv_state_pool_alloc(&state_pool, 16, 16);
48
49 /* Grab a state that is the size of the initial allocation */
50 struct anv_state state = anv_state_pool_alloc(&state_pool, pool_size, 16);
51
52 /* The pool must have grown */
53 ASSERT(bp->size > pool_size);
54
55 /* And the state must have been allocated at the end of the original size */
56 ASSERT(state.offset == pool_size);
57
58 /* A new allocation that fits into the returned empty space should have an
59 * offset within the original pool size
60 */
61 state = anv_state_pool_alloc(&state_pool, 4096, 16);
62 ASSERT(state.offset + state.alloc_size <= pool_size);
63
64 /* We should be able to allocate pool->block_size'd chunks in the returned area
65 */
66 int left_chunks = pool_size / 4096 - 2;
67 for (int i = 0; i < left_chunks; i++) {
68 state = anv_state_pool_alloc(&state_pool, 4096, 16);
69 ASSERT(state.offset + state.alloc_size <= pool_size);
70 }
71
72 /* Now the next chunk to be allocated should make the pool grow again */
73 pool_size = bp->size;
74 state = anv_state_pool_alloc(&state_pool, 4096, 16);
75 ASSERT(bp->size > pool_size);
76 ASSERT(state.offset == pool_size);
77
78 anv_state_pool_finish(&state_pool);
79 anv_bo_cache_finish(&device.bo_cache);
80 pthread_mutex_destroy(&device.mutex);
81 }
82