summaryrefslogtreecommitdiff
path: root/tests/modeprint
diff options
context:
space:
mode:
Diffstat (limited to 'tests/modeprint')
0 files changed, 0 insertions, 0 deletions
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-19 13:04:38 +0000
'n67' href='#n67'>67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 
/*
 * Copyright © 2008 Intel Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 *
 * Authors:
 *    Eric Anholt <eric@anholt.net>
 *
 */

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <fcntl.h>
#include <inttypes.h>
#include <errno.h>
#include <sys/stat.h>
#include "drm.h"
#include "i915_drm.h"

#define OBJECT_SIZE 16384

int do_read(int fd, int handle, void *buf, int offset, int size)
{
	struct drm_i915_gem_pread read;

	/* Ensure that we don't have any convenient data in buf in case
	 * we fail.
	 */
	memset(buf, 0xd0, size);

	memset(&read, 0, sizeof(read));
	read.handle = handle;
	read.data_ptr = (uintptr_t)buf;
	read.size = size;
	read.offset = offset;

	return ioctl(fd, DRM_IOCTL_I915_GEM_PREAD, &read);
}

int do_write(int fd, int handle, void *buf, int offset, int size)
{
	struct drm_i915_gem_pwrite write;

	memset(&write, 0, sizeof(write));
	write.handle = handle;
	write.data_ptr = (uintptr_t)buf;
	write.size = size;
	write.offset = offset;

	return ioctl(fd, DRM_IOCTL_I915_GEM_PWRITE, &write);
}

int main(int argc, char **argv)
{
	int fd;
	struct drm_i915_gem_create create;
	struct drm_i915_gem_mmap mmap;
	struct drm_gem_close unref;
	uint8_t expected[OBJECT_SIZE];
	uint8_t buf[OBJECT_SIZE];
	uint8_t *addr;
	int ret;
	int handle;

	fd = drm_open_matching("8086:*", 0);
	if (fd < 0) {