1 files changed, 56 insertions, 0 deletions
diff --git a/src/kernel/tests/include/tst_kconfig.h b/src/kernel/tests/include/tst_kconfig.h
new file mode 100644
index 0000000..2d2cfd7
--- /dev/null
+++ b/src/kernel/tests/include/tst_kconfig.h
@@ -0,0 +1,56 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2018 Cyril Hrubis <chrubis@suse.cz>
+ */
+
+#ifndef TST_KCONFIG_H__
+#define TST_KCONFIG_H__
+
+struct tst_kconfig_res {
+	char match;
+	char *value;
+};
+
+/**
+ * Reads a kernel config and parses it for values defined in kconfigs array.
+ *
+ * The path to the kernel config should be autodetected in most of the cases as
+ * the code looks for know locations. It can be explicitely set/overrided with
+ * the KCONFIG_PATH environment variable as well.
+ *
+ * The kcofings array is expected to contain strings in a format "CONFIG_FOO"
+ * or "CONFIG_FOO=bar". The result array has to be suitably sized to fit the
+ * results.
+ *
+ * @param kconfigs array of config strings to look for
+ * @param results array to store results to
+ * @param cnt size of the arrays
+ *
+ * The match in the tst_kconfig_res structure is set as follows:
+ *
+ *  'm' - config option set to m
+ *  'y' - config option set to y
+ *  'v' - config option set to other value
+ *  'n' - config option is not set
+ *   0  - config option not found
+ *
+ * In the case that match is set to 'v' the value points to a newly allocated
+ * string that holds the value.
+ */
+void tst_kconfig_read(const char *const kconfigs[],
+		      struct tst_kconfig_res results[], size_t cnt);
+
+/**
+ * Checks if required kernel configuration options are set in the kernel
+ * config and exits the test with TCONF if at least one is missing.
+ *
+ * The config options can be passed in two different formats, either
+ * "CONFIG_FOO" in which case the option has to be set in order to continue the
+ * test or with an explicit value "CONFIG_FOO=bar" in which case the value has
+ * to match.
+ *
+ * @param kconfigs NULL-terminated array of config strings needed for the testrun.
+ */
+void tst_kconfig_check(const char *const kconfigs[]);
+
+#endif	/* TST_KCONFIG_H__ */