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/*
* Copyright © 2012,2013 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:
* Chris Wilson <chris@chris-wilson.co.uk>
*
*/
/* Exercises the basic execbuffer using the handle LUT interface */
#include "igt.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <fcntl.h>
#include <inttypes.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/time.h>
#include "drm.h"
IGT_TEST_DESCRIPTION("Exercises the basic execbuffer using the handle LUT"
" interface.");
#define BATCH_SIZE (1024*1024)
#define LOCAL_I915_EXEC_HANDLE_LUT (1<<12)
#define NORMAL 0
#define USE_LUT 0x1
#define BROKEN 0x2
static int exec(int fd, uint32_t handle, unsigned int flags)
{
struct drm_i915_gem_execbuffer2 execbuf;
struct drm_i915_gem_exec_object2 gem_exec[1];
struct drm_i915_gem_relocation_entry gem_reloc[1];
gem_reloc[0].offset = 1024;
gem_reloc[0].delta = 0;
gem_reloc[0].target_handle =
!!(flags & USE_LUT) ^ !!(flags & BROKEN) ? 0 : handle;
gem_reloc[0].read_domains = I915_GEM_DOMAIN_RENDER;
gem_reloc[0].write_domain = 0;
gem_reloc[0].presumed_offset = 0;
gem_exec[0].handle = handle;
gem_exec[0].relocation_count = 1;
gem_exec[0].relocs_ptr = to_user_pointer(gem_reloc);
gem_exec[0].alignment = 0;
gem_exec[0].offset = 0;
gem_exec[0].flags = 0;
gem_exec[0].rsvd1 = 0;
gem_exec[0].rsvd2 = 0;
execbuf.buffers_ptr = to_user_pointer(gem_exec);
execbuf.buffer_count = 1;
execbuf.batch_start_offset = 0;
execbuf.batch_len = 8;
execbuf.cliprects_ptr = 0;
execbuf.num_cliprects = 0;
execbuf.DR1 = 0;
execbuf.DR4 = 0;
execbuf.flags = flags & USE_LUT ? LOCAL_I915_EXEC_HANDLE_LUT : 0;
i915_execbuffer2_set_context_id(execbuf, 0);
execbuf.rsvd2 = 0;
if (drmIoctl(fd,
DRM_IOCTL_I915_GEM_EXECBUFFER2,
&execbuf))
return -errno;
return 0;
}
static int many_exec(int fd, uint32_t batch, int num_exec, int num_reloc, unsigned flags)
{
struct drm_i915_gem_execbuffer2 execbuf;
struct drm_i915_gem_exec_object2 *gem_exec;
struct drm_i915_gem_relocation_entry *gem_reloc;
unsigned max_handle = batch;
int ret, n;
gem_exec = calloc(num_exec+1, sizeof(*gem_exec));
gem_reloc = calloc(num_reloc, sizeof(*gem_reloc));
igt_assert(gem_exec && gem_reloc);
for (n = 0; n < num_exec; n++) {
gem_exec[n].handle = gem_create(fd, 4096);
if (gem_exec[n].handle > max_handle)
max_handle = gem_exec[n].handle;
gem_exec[n].relocation_count = 0;
gem_exec[n].relocs_ptr = 0;
gem_exec[n].alignment = 0;
gem_exec[n].offset = 0;
gem_exec[n].flags = 0;
gem_exec[n].rsvd1 = 0;
gem_exec[n].rsvd2 = 0;
}
gem_exec[n].handle = batch;
gem_exec[n].relocation_count = num_reloc;
gem_exec[n].relocs_ptr = to_user_pointer(gem_reloc);
if (flags & USE_LUT)
max_handle = num_exec + 1;
max_handle++;
for (n = 0; n < num_reloc; n++) {
uint32_t target;
if (flags & BROKEN) {
target = -(rand() % 4096) - 1;
} else {
target = rand() % (num_exec + 1);
if ((flags & USE_LUT) == 0)
target = gem_exec[target].handle;
}
gem_reloc[n].offset = 1024;
gem_reloc[n].delta = 0;
gem_reloc[n].target_handle = target;
gem_reloc[n].read_domains = I915_GEM_DOMAIN_RENDER;
gem_reloc[n].write_domain = 0;
gem_reloc[n].presumed_offset = 0;
}
execbuf.buffers_ptr = to_user_pointer(gem_exec);
execbuf.buffer_count = num_exec + 1;
execbuf.batch_start_offset = 0;
execbuf.batch_len = 8;
execbuf.cliprects_ptr = 0;
execbuf.num_cliprects = 0;
execbuf.DR1 = 0;
execbuf.DR4 = 0;
execbuf.flags = flags & USE_LUT ? LOCAL_I915_EXEC_HANDLE_LUT : 0;
i915_execbuffer2_set_context_id(execbuf, 0);
execbuf.rsvd2 = 0;
ret = drmIoctl(fd,
DRM_IOCTL_I915_GEM_EXECBUFFER2,
&execbuf);
if (ret < 0)
ret = -errno;
for (n = 0; n < num_exec; n++)
gem_close(fd, gem_exec[n].handle);
free(gem_exec);
free(gem_reloc);
return ret;
}
#define fail(x) igt_assert((x) == -ENOENT)
#define pass(x) igt_assert((x) == 0)
igt_simple_main
{
uint32_t batch[2] = {MI_BATCH_BUFFER_END};
uint32_t handle;
int fd, i;
fd = drm_open_driver(DRIVER_INTEL);
handle = gem_create(fd, 4096);
gem_write(fd, handle, 0, batch, sizeof(batch));
do_or_die(exec(fd, handle, NORMAL));
fail(exec(fd, handle, BROKEN));
igt_skip_on(exec(fd, handle, USE_LUT));
do_or_die(exec(fd, handle, USE_LUT));
fail(exec(fd, handle, USE_LUT | BROKEN));
for (i = 2; i <= SLOW_QUICK(65536, 8); i *= 2) {
if (many_exec(fd, handle, i+1, i+1, NORMAL) == -ENOSPC)
break;
pass(many_exec(fd, handle, i-1, i-1, NORMAL));
pass(many_exec(fd, handle, i-1, i, NORMAL));
pass(many_exec(fd, handle, i-1, i+1, NORMAL));
pass(many_exec(fd, handle, i, i-1, NORMAL));
pass(many_exec(fd, handle, i, i, NORMAL));
pass(many_exec(fd, handle, i, i+1, NORMAL));
pass(many_exec(fd, handle, i+1, i-1, NORMAL));
pass(many_exec(fd, handle, i+1, i, NORMAL));
pass(many_exec(fd, handle, i+1, i+1, NORMAL));
fail(many_exec(fd, handle, i-1, i-1, NORMAL | BROKEN));
fail(many_exec(fd, handle, i-1, i, NORMAL | BROKEN));
fail(many_exec(fd, handle, i-1, i+1, NORMAL | BROKEN));
fail(many_exec(fd, handle, i, i-1, NORMAL | BROKEN));
fail(many_exec(fd, handle, i, i, NORMAL | BROKEN));
fail(many_exec(fd, handle, i, i+1, NORMAL | BROKEN));
fail(many_exec(fd, handle, i+1, i-1, NORMAL | BROKEN));
fail(many_exec(fd, handle, i+1, i, NORMAL | BROKEN));
fail(many_exec(fd, handle, i+1, i+1, NORMAL | BROKEN));
pass(many_exec(fd, handle, i-1, i-1, USE_LUT));
pass(many_exec(fd, handle, i-1, i, USE_LUT));
pass(many_exec(fd, handle, i-1, i+1, USE_LUT));
pass(many_exec(fd, handle, i, i-1, USE_LUT));
pass(many_exec(fd, handle, i, i, USE_LUT));
pass(many_exec(fd, handle, i, i+1, USE_LUT));
pass(many_exec(fd, handle, i+1, i-1, USE_LUT));
pass(many_exec(fd, handle, i+1, i, USE_LUT));
pass(many_exec(fd, handle, i+1, i+1, USE_LUT));
fail(many_exec(fd, handle, i-1, i-1, USE_LUT | BROKEN));
fail(many_exec(fd, handle, i-1, i, USE_LUT | BROKEN));
fail(many_exec(fd, handle, i-1, i+1, USE_LUT | BROKEN));
fail(many_exec(fd, handle, i, i-1, USE_LUT | BROKEN));
fail(many_exec(fd, handle, i, i, USE_LUT | BROKEN));
fail(many_exec(fd, handle, i, i+1, USE_LUT | BROKEN));
fail(many_exec(fd, handle, i+1, i-1, USE_LUT | BROKEN));
fail(many_exec(fd, handle, i+1, i, USE_LUT | BROKEN));
fail(many_exec(fd, handle, i+1, i+1, USE_LUT | BROKEN));
}
}