kselftest: add support for skipped tests

Update the kselftest framework to allow client drivers to
specify that some tests were skipped.

Signed-off-by: Timur Tabi <timur@kernel.org>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Tested-by: Petr Mladek <pmladek@suse.com>
Acked-by: Marco Elver <elver@google.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20210214161348.369023-3-timur@kernel.org

diff --git a/tools/testing/selftests/kselftest_module.h b/tools/testing/selftests/kselftest_module.h
index e8eafaf0941aa716d9dc9a4b24dc0d3324101b6d..e2ea41de3f35446c65f13bf1f9938ade4c44c5ca 100644 (file)
--- a/tools/testing/selftests/kselftest_module.h
+++ b/tools/testing/selftests/kselftest_module.h
@@ -11,7 +11,8 @@
 
 #define KSTM_MODULE_GLOBALS()                  \
 static unsigned int total_tests __initdata;    \
-static unsigned int failed_tests __initdata
+static unsigned int failed_tests __initdata;   \
+static unsigned int skipped_tests __initdata
 
 #define KSTM_CHECK_ZERO(x) do {                                                \
        total_tests++;                                                  \
@@ -21,11 +22,16 @@ static unsigned int failed_tests __initdata
        }                                                               \
 } while (0)
 
-static inline int kstm_report(unsigned int total_tests, unsigned int failed_tests)
+static inline int kstm_report(unsigned int total_tests, unsigned int failed_tests,
+                             unsigned int skipped_tests)
 {
-       if (failed_tests == 0)
-               pr_info("all %u tests passed\n", total_tests);
-       else
+       if (failed_tests == 0) {
+               if (skipped_tests) {
+                       pr_info("skipped %u tests\n", skipped_tests);
+                       pr_info("remaining %u tests passed\n", total_tests);
+               } else
+                       pr_info("all %u tests passed\n", total_tests);
+       } else
                pr_warn("failed %u out of %u tests\n", failed_tests, total_tests);
 
        return failed_tests ? -EINVAL : 0;
@@ -36,7 +42,7 @@ static int __init __module##_init(void)                       \
 {                                                      \
        pr_info("loaded.\n");                           \
        selftest();                                     \
-       return kstm_report(total_tests, failed_tests);  \
+       return kstm_report(total_tests, failed_tests, skipped_tests);   \
 }                                                      \
 static void __exit __module##_exit(void)               \
 {                                                      \