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Diffstat (limited to 'tests/gem_readwrite.c')
-rw-r--r-- | tests/gem_readwrite.c | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/tests/gem_readwrite.c b/tests/gem_readwrite.c deleted file mode 100644 index 07dc853a..00000000 --- a/tests/gem_readwrite.c +++ /dev/null @@ -1,139 +0,0 @@ -/* - * 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; - uint8_t expected[OBJECT_SIZE]; - uint8_t buf[OBJECT_SIZE]; - int ret; - int handle; - - fd = drm_open_matching("8086:*", 0); - if (fd < 0) { - fprintf(stderr, "failed to open intel drm device, skipping\n"); - return 0; - } - - memset(&create, 0, sizeof(create)); - create.size = OBJECT_SIZE; - ret = ioctl(fd, DRM_IOCTL_I915_GEM_CREATE, &create); - assert(ret == 0); - handle = create.handle; - - printf("Testing contents of newly created object.\n"); - ret = do_read(fd, handle, buf, 0, OBJECT_SIZE); - assert(ret == 0); - memset(&expected, 0, sizeof(expected)); - assert(memcmp(expected, buf, sizeof(expected)) == 0); - - printf("Testing read beyond end of buffer.\n"); - ret = do_read(fd, handle, buf, OBJECT_SIZE / 2, OBJECT_SIZE); - printf("%d %d\n", ret, errno); - assert(ret == -1 && errno == EINVAL); - - printf("Testing full write of buffer\n"); - memset(buf, 0, sizeof(buf)); - memset(buf + 1024, 0x01, 1024); - memset(expected + 1024, 0x01, 1024); - ret = do_write(fd, handle, buf, 0, OBJECT_SIZE); - assert(ret == 0); - ret = do_read(fd, handle, buf, 0, OBJECT_SIZE); - assert(ret == 0); - assert(memcmp(buf, expected, sizeof(buf)) == 0); - - printf("Testing partial write of buffer\n"); - memset(buf + 4096, 0x02, 1024); - memset(expected + 4096, 0x02, 1024); - ret = do_write(fd, handle, buf + 4096, 4096, 1024); - assert(ret == 0); - ret = do_read(fd, handle, buf, 0, OBJECT_SIZE); - assert(ret == 0); - assert(memcmp(buf, expected, sizeof(buf)) == 0); - - printf("Testing partial read of buffer\n"); - ret = do_read(fd, handle, buf, 512, 1024); - assert(ret == 0); - assert(memcmp(buf, expected + 512, 1024) == 0); - - printf("Testing read of bad buffer handle\n"); - ret = do_read(fd, 1234, buf, 0, 1024); - assert(ret == -1 && errno == ENOENT); - - printf("Testing write of bad buffer handle\n"); - ret = do_write(fd, 1234, buf, 0, 1024); - assert(ret == -1 && errno == ENOENT); - - close(fd); - - return 0; -} |