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gpu: nvgpu: unit: add test for BUG() callbacks

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Add unit tests for the following functions:
- nvgpu_bug_register_cb
- nvgpu_bug_unregister_cb

Jira NVGPU-4512

Change-Id: I21a4bd55cfff080373b6234e517c1ee9cb51cb8a
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2266392
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: Shashank Singh <shashsingh@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Thomas Fleury
2019-12-19 16:10:32 -05:00
committed by Alex Waterman
parent 1f3f34b906
commit 1a3c1ee984
3 changed files with 74 additions and 1 deletions
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67
userspace/units/posix/bug/posix-bug.c
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved.
* Copyright (c) 2019-2020, NVIDIA CORPORATION. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@@ -22,6 +22,7 @@
#include <stdlib.h>
#include <stdint.h>
#include <setjmp.h>
#include <unit/io.h>
#include <unit/unit.h>
@@ -73,8 +74,72 @@ static int test_expect_bug(struct unit_module *m,
return UNIT_SUCCESS;
}
static bool cb_called = false;
static void bug_cb(void *arg)
{
jmp_buf *jmp_handler = arg;
cb_called = true;
longjmp(*jmp_handler, 1);
}
static bool other_cb_called = false;
static void other_bug_cb(void *arg)
{
other_cb_called = true;
}
static int test_bug_cb(struct unit_module *m,
struct gk20a *g, void *args)
{
struct nvgpu_bug_cb callback;
struct nvgpu_bug_cb other_callback;
jmp_buf handler;
/* two callbacks */
callback.cb = bug_cb;
callback.arg = &handler;
other_callback.cb = other_bug_cb;
other_callback.arg = NULL;
nvgpu_bug_register_cb(&other_callback);
nvgpu_bug_register_cb(&callback);
if (setjmp(handler) == 0) {
BUG();
}
if (!other_cb_called || !cb_called) {
unit_err(m, "BUG() callback was not called.\n");
return UNIT_FAIL;
}
/* one callback */
other_cb_called = false;
nvgpu_bug_register_cb(&other_callback);
nvgpu_bug_register_cb(&callback);
nvgpu_bug_unregister_cb(&other_callback);
if (setjmp(handler) == 0) {
BUG();
}
if (other_cb_called) {
unit_err(m, "callback unregistration failed.\n");
return UNIT_FAIL;
}
return UNIT_SUCCESS;
}
struct unit_module_test posix_bug_tests[] = {
UNIT_TEST(expect_bug, test_expect_bug, NULL, 0),
UNIT_TEST(bug_cb, test_bug_cb, NULL, 0),
};
UNIT_MODULE(posix_bug, posix_bug_tests, UNIT_PRIO_POSIX_TEST);