On Thu, Sep 15, 2016 at 02:40:07PM -0400, robert.foss@xxxxxxxxxxxxx wrote:
> From: Robert Foss <robert.foss@xxxxxxxxxxxxx>
>
> Add initial tests for sw_sync.
>
> Signed-off-by: Robert Foss <robert.foss@xxxxxxxxxxxxx>
> Signed-off-by: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx>
> Reviewed-by: Eric Engestrom <eric@xxxxxxxxxxxx>
> ---
> tests/Makefile.sources | 1 +
> tests/sw_sync.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++
> 2 files changed, 53 insertions(+)
> create mode 100644 tests/sw_sync.c
>
> diff --git a/tests/Makefile.sources b/tests/Makefile.sources
> index 72a58ad..0ba769f 100644
> --- a/tests/Makefile.sources
> +++ b/tests/Makefile.sources
> @@ -125,6 +125,7 @@ TESTS_progs_M = \
> prime_mmap_kms \
> prime_self_import \
> prime_vgem \
> + sw_sync \
> template \
> vgem_basic \
> vgem_slow \
> diff --git a/tests/sw_sync.c b/tests/sw_sync.c
> new file mode 100644
> index 0000000..47e2dfa
> --- /dev/null
> +++ b/tests/sw_sync.c
> @@ -0,0 +1,52 @@
> +/*
> + * Copyright 2012 Google, Inc
> + * Copyright © 2016 Collabora, Ltd.
> + *
> + * Based on the implementation from the Android Open Source Project
> + *
> + * 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:
> + * Robert Foss <robert.foss@xxxxxxxxxxxxx>
> + */
> +
> +#include <stdint.h>
> +#include <unistd.h>
> +
> +#include "sw_sync.h"
> +#include "igt.h"
> +#include "igt_aux.h"
> +
> +IGT_TEST_DESCRIPTION("Test SW Sync Framework");
> +
> +static void test_alloc_timeline(void)
> +{
> + int timeline;
> +
> + timeline = sw_sync_timeline_create();
> + close(timeline);
> +}
> +
> +igt_main
> +{
If I were to run this on a kernel without sw_sync support, it would
fail. We want it to skip instead!
in lib/sw_sync.c:
static bool kernel_has_sw_sync(void)
{
bool err;
igt_ignore_warn(system("/sbin/modprobe -s r sw_sync"));
err = false;
if (access("/dev/sw_sync", R_OK | W_OK) < 0) {
char buf[128];
snprintf(buf, sizeof(buf), "%s/sw_sync", igt_debugfs_mount());
err = access("/sys/kernel//sw_sync", R_OK | W_OK) < 0;
}
return !err;
}
void igt_require_sw_sync(void)
{
igt_require(kernel_has_sw_sync());
}
then here:
igt_main
{
igt_fixture {
igt_require_sw_sync();
}
> + igt_subtest("alloc_timeline")
> + test_alloc_timeline();
> +}
}
--
Chris Wilson, Intel Open Source Technology Centre
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