1 /*
2 * Copyright © 2008 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 * Authors:
24 * Jesse Barnes <[email protected]>
25 *
26 */
27
28 #include "igt.h"
29 #include <stdlib.h>
30 #include <stdio.h>
31 #include <string.h>
32 #include <fcntl.h>
33 #include <inttypes.h>
34 #include <errno.h>
35 #include <sys/stat.h>
36 #include <sys/ioctl.h>
37 #include "drm.h"
38
39 /* Should take 64 pages to store the page pointers on 64 bit */
40 #define OBJ_SIZE (128 * 1024 * 1024)
41
42 unsigned char *data;
43
44 static void
test_large_object(int fd)45 test_large_object(int fd)
46 {
47 struct drm_i915_gem_create create;
48 struct drm_i915_gem_pin pin;
49 uint32_t obj_size;
50 char *ptr;
51
52 memset(&create, 0, sizeof(create));
53 memset(&pin, 0, sizeof(pin));
54
55 if (gem_aperture_size(fd)*3/4 < OBJ_SIZE/2)
56 obj_size = OBJ_SIZE / 4;
57 else if (gem_aperture_size(fd)*3/4 < OBJ_SIZE)
58 obj_size = OBJ_SIZE / 2;
59 else
60 obj_size = OBJ_SIZE;
61 create.size = obj_size;
62 igt_info("obj size %i\n", obj_size);
63
64 igt_assert(ioctl(fd, DRM_IOCTL_I915_GEM_CREATE, &create) == 0);
65
66 /* prefault */
67 ptr = gem_mmap__gtt(fd, create.handle, obj_size,
68 PROT_WRITE | PROT_READ);
69 *ptr = 0;
70
71 gem_write(fd, create.handle, 0, data, obj_size);
72
73 /* kernel should clean this up for us */
74 }
75
76 igt_simple_main
77 {
78 int fd;
79
80 igt_skip_on_simulation();
81
82 data = malloc(OBJ_SIZE);
83 igt_assert(data);
84
85 fd = drm_open_driver(DRIVER_INTEL);
86
87 test_large_object(fd);
88
89 free(data);
90 }
91