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/*
 * 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"

static void
test_bad_close(int fd)
{
	struct drm_gem_close close;
	int ret;

	printf("Testing error return on bad close ioctl.\n");

	close.handle = 0x10101010;
	ret = ioctl(fd, DRM_IOCTL_GEM_CLOSE, &close);

	assert(ret == -1 && errno == EINVAL);
}

static void
test_create_close(int fd)
{
	struct drm_i915_gem_create create;
	struct drm_gem_close close;
	int ret;

	printf("Testing creating and closing an object.\n");

	memset(&create, 0, sizeof(create));
	create.size = 16 * 1024;
	ret = ioctl(fd, DRM_IOCTL_I915_GEM_CREATE, &create);
	assert(ret == 0);

	close.handle = create.handle;
	ret = ioctl(fd, DRM_IOCTL_GEM_CLOSE, &close);
}

static void
test_create_fd_close(int fd)
{
	struct drm_i915_gem_create create;
	int ret;

	printf("Testing closing with an object allocated.\n");

	memset(&create, 0, sizeof(create));
	create.size = 16 * 1024;
	ret = ioctl(fd, DRM_IOCTL_I915_GEM_CREATE, &create);
	assert(ret == 0);

	close(fd);
}

int main(int argc, char **argv)
{
	int fd;

	fd = drm_open_any();

	test_bad_close(fd);
	test_create_close(fd);
	test_create_fd_close(fd);

	return 0;
}
n class="hl opt">} #endif /* WATCH_INACTIVE */ #if WATCH_BUF | WATCH_EXEC | WATCH_PWRITE static void i915_gem_dump_page(struct page *page, uint32_t start, uint32_t end, uint32_t bias, uint32_t mark) { uint32_t *mem = kmap_atomic(page, KM_USER0); int i; for (i = start; i < end; i += 4) DRM_INFO("%08x: %08x%s\n", (int) (bias + i), mem[i / 4], (bias + i == mark) ? " ********" : ""); kunmap_atomic(mem, KM_USER0); /* give syslog time to catch up */ msleep(1); } void i915_gem_dump_object(struct drm_gem_object *obj, int len, const char *where, uint32_t mark) { struct drm_i915_gem_object *obj_priv = obj->driver_private; int page; DRM_INFO("%s: object at offset %08x\n", where, obj_priv->gtt_offset); for (page = 0; page < (len + PAGE_SIZE-1) / PAGE_SIZE; page++) { int page_len, chunk, chunk_len; page_len = len - page * PAGE_SIZE; if (page_len > PAGE_SIZE) page_len = PAGE_SIZE; for (chunk = 0; chunk < page_len; chunk += 128) { chunk_len = page_len - chunk; if (chunk_len > 128) chunk_len = 128; i915_gem_dump_page(obj_priv->page_list[page], chunk, chunk + chunk_len, obj_priv->gtt_offset + page * PAGE_SIZE, mark); } } } #endif #if WATCH_LRU void i915_dump_lru(struct drm_device *dev, const char *where) { struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_gem_object *obj_priv; DRM_INFO("active list %s {\n", where); list_for_each_entry(obj_priv, &dev_priv->mm.active_list, list) { DRM_INFO(" %p: %08x\n", obj_priv, obj_priv->last_rendering_seqno); } DRM_INFO("}\n"); DRM_INFO("flushing list %s {\n", where); list_for_each_entry(obj_priv, &dev_priv->mm.flushing_list, list) { DRM_INFO(" %p: %08x\n", obj_priv, obj_priv->last_rendering_seqno); } DRM_INFO("}\n"); DRM_INFO("inactive %s {\n", where); list_for_each_entry(obj_priv, &dev_priv->mm.inactive_list, list) { DRM_INFO(" %p: %08x\n", obj_priv, obj_priv->last_rendering_seqno); } DRM_INFO("}\n"); } #endif #if WATCH_COHERENCY void i915_gem_object_check_coherency(struct drm_gem_object *obj, int handle) { struct drm_device *dev = obj->dev; struct drm_i915_gem_object *obj_priv = obj->driver_private; int page; uint32_t *gtt_mapping; uint32_t *backing_map = NULL; int bad_count = 0; DRM_INFO("%s: checking coherency of object %p@0x%08x (%d, %dkb):\n", __func__, obj, obj_priv->gtt_offset, handle, obj->size / 1024); gtt_mapping = ioremap(dev->agp->base + obj_priv->gtt_offset, obj->size); if (gtt_mapping == NULL) { DRM_ERROR("failed to map GTT space\n"); return; } for (page = 0; page < obj->size / PAGE_SIZE; page++) { int i; backing_map = kmap_atomic(obj_priv->page_list[page], KM_USER0); if (backing_map == NULL) { DRM_ERROR("failed to map backing page\n"); goto out; } for (i = 0; i < PAGE_SIZE / 4; i++) { uint32_t cpuval = backing_map[i]; uint32_t gttval = readl(gtt_mapping + page * 1024 + i); if (cpuval != gttval) { DRM_INFO("incoherent CPU vs GPU at 0x%08x: " "0x%08x vs 0x%08x\n", (int)(obj_priv->gtt_offset + page * PAGE_SIZE + i * 4), cpuval, gttval); if (bad_count++ >= 8) { DRM_INFO("...\n"); goto out; } } } kunmap_atomic(backing_map, KM_USER0); backing_map = NULL; } out: if (backing_map != NULL) kunmap_atomic(backing_map, KM_USER0); iounmap(gtt_mapping); /* give syslog time to catch up */ msleep(1); /* Directly flush the object, since we just loaded values with the CPU * from the backing pages and we don't want to disturb the cache * management that we're trying to observe. */ i915_gem_clflush_object(obj); } #endif