1 files changed, 70 insertions, 0 deletions
diff --git a/tools/testing/selftests/kvm/include/test_util.h b/tools/testing/selftests/kvm/include/test_util.h
new file mode 100644
index 000000000..ffffa5604
--- /dev/null
+++ b/tools/testing/selftests/kvm/include/test_util.h
@@ -0,0 +1,70 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * tools/testing/selftests/kvm/include/test_util.h
+ *
+ * Copyright (C) 2018, Google LLC.
+ */
+
+#ifndef SELFTEST_KVM_TEST_UTIL_H
+#define SELFTEST_KVM_TEST_UTIL_H
+
+#include <stdlib.h>
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <string.h>
+#include <inttypes.h>
+#include <errno.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include "kselftest.h"
+
+static inline int _no_printf(const char *format, ...) { return 0; }
+
+#ifdef DEBUG
+#define pr_debug(...) printf(__VA_ARGS__)
+#else
+#define pr_debug(...) _no_printf(__VA_ARGS__)
+#endif
+#ifndef QUIET
+#define pr_info(...) printf(__VA_ARGS__)
+#else
+#define pr_info(...) _no_printf(__VA_ARGS__)
+#endif
+
+void print_skip(const char *fmt, ...) __attribute__((format(printf, 1, 2)));
+
+ssize_t test_write(int fd, const void *buf, size_t count);
+ssize_t test_read(int fd, void *buf, size_t count);
+int test_seq_read(const char *path, char **bufp, size_t *sizep);
+
+void test_assert(bool exp, const char *exp_str,
+		 const char *file, unsigned int line, const char *fmt, ...)
+		__attribute__((format(printf, 5, 6)));
+
+#define TEST_ASSERT(e, fmt, ...) \
+	test_assert((e), #e, __FILE__, __LINE__, fmt, ##__VA_ARGS__)
+
+#define ASSERT_EQ(a, b) do { \
+	typeof(a) __a = (a); \
+	typeof(b) __b = (b); \
+	TEST_ASSERT(__a == __b, \
+		    "ASSERT_EQ(%s, %s) failed.\n" \
+		    "\t%s is %#lx\n" \
+		    "\t%s is %#lx", \
+		    #a, #b, #a, (unsigned long) __a, #b, (unsigned long) __b); \
+} while (0)
+
+#define TEST_FAIL(fmt, ...) \
+	TEST_ASSERT(false, fmt, ##__VA_ARGS__)
+
+size_t parse_size(const char *size);
+
+int64_t timespec_to_ns(struct timespec ts);
+struct timespec timespec_add_ns(struct timespec ts, int64_t ns);
+struct timespec timespec_add(struct timespec ts1, struct timespec ts2);
+struct timespec timespec_sub(struct timespec ts1, struct timespec ts2);
+struct timespec timespec_diff_now(struct timespec start);
+struct timespec timespec_div(struct timespec ts, int divisor);
+
+#endif /* SELFTEST_KVM_TEST_UTIL_H */