Check that the notification function of an
EVT_SIGNAL_EXIT_BOOT_SERVICES event is called
exactly once.
Signed-off-by: Heinrich Schuchardt <xypron.g...@gmx.de>
---
lib/efi_selftest/Makefile | 3 +
lib/efi_selftest/efi_selftest_exitbootservices.c | 106 +++++++++++++++++++++++
2 files changed, 109 insertions(+)
create mode 100644 lib/efi_selftest/efi_selftest_exitbootservices.c
diff --git a/lib/efi_selftest/Makefile b/lib/efi_selftest/Makefile
index ddf304e1fa..30f1960933 100644
--- a/lib/efi_selftest/Makefile
+++ b/lib/efi_selftest/Makefile
@@ -13,6 +13,8 @@ CFLAGS_efi_selftest_console.o := $(CFLAGS_EFI)
CFLAGS_REMOVE_efi_selftest_console.o := $(CFLAGS_NON_EFI)
CFLAGS_efi_selftest_events.o := $(CFLAGS_EFI)
CFLAGS_REMOVE_efi_selftest_events.o := $(CFLAGS_NON_EFI)
+CFLAGS_efi_selftest_exitbootservices.o := $(CFLAGS_EFI)
+CFLAGS_REMOVE_efi_selftest_exitbootservices.o := $(CFLAGS_NON_EFI)
CFLAGS_efi_selftest_tpl.o := $(CFLAGS_EFI)
CFLAGS_REMOVE_efi_selftest_tpl.o := $(CFLAGS_NON_EFI)
@@ -20,4 +22,5 @@ obj-$(CONFIG_CMD_BOOTEFI_SELFTEST) += \
efi_selftest.o \
efi_selftest_console.o \
efi_selftest_events.o \
+efi_selftest_exitbootservices.o \
efi_selftest_tpl.o
diff --git a/lib/efi_selftest/efi_selftest_exitbootservices.c
b/lib/efi_selftest/efi_selftest_exitbootservices.c
new file mode 100644
index 0000000000..60271e6180
--- /dev/null
+++ b/lib/efi_selftest/efi_selftest_exitbootservices.c
@@ -0,0 +1,106 @@
+/*
+ * efi_selftest_events
+ *
+ * Copyright (c) 2017 Heinrich Schuchardt <xypron.g...@gmx.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
+ * This unit test checks that the notification function of an
+ * EVT_SIGNAL_EXIT_BOOT_SERVICES event is called exactly once.
+ */
+
+#include <efi_selftest.h>
+
+static struct efi_boot_services *boottime;
+static struct efi_event *event_notify;
+static unsigned int counter;
+
+/*
+ * Notification function, increments a counter.
+ *
+ * @event notified event
+ * @context pointer to the counter
+ */
+static void EFIAPI notify(struct efi_event *event, void *context)
+{
+ if (!context)
+ return;
+ ++*(unsigned int *)context;
+}
+
+/*
+ * Setup unit test.
+ *
+ * Create an EVT_SIGNAL_EXIT_BOOT_SERVICES event.
+ *
+ * @handle: handle of the loaded image
+ * @systable: system table
+ */
+static int setup(const efi_handle_t handle,
+ const struct efi_system_table *systable)
+{
+ efi_status_t ret;
+
+ boottime = systable->boottime;
+
+ counter = 0;
+ ret = boottime->create_event(EVT_SIGNAL_EXIT_BOOT_SERVICES,
+ TPL_CALLBACK, notify, (void *)&counter,
+ &event_notify);
+ if (ret != EFI_SUCCESS) {
+ efi_st_error("could not create event\n");
+ return 1;
+ }
+ return 0;
+}
+
+/*
+ * Tear down unit test.
+ *
+ * Close the event created in setup.
+ */
+static int teardown(void)
+{
+ efi_status_t ret;
+
+ if (event_notify) {
+ ret = boottime->close_event(event_notify);
+ event_notify = NULL;
+ if (ret != EFI_SUCCESS) {
+ efi_st_error("could not close event\n");
+ return 1;
+ }
+ }
+ return 0;
+}
+
+/*
+ * Execute unit test.
+ *
+ * Check that the notification function of the EVT_SIGNAL_EXIT_BOOT_SERVICES
+ * event has been called.
+ *
+ * Call ExitBootServices again and check that the notification function is
+ * not called again.
+ */
+static int execute(void)
+{
+ if (counter != 1) {
+ efi_st_error("ExitBootServices was not notified");
+ return 1;
+ }
+ efi_st_exit_boot_services();
+ if (counter != 1) {
+ efi_st_error("ExitBootServices was notified twice");
+ return 1;
+ }
+ return 0;
+}
+
+EFI_UNIT_TEST(exitbootservices) = {
+ .name = "ExitBootServices",
+ .phase = EFI_SETUP_BEFORE_BOOTTIME_EXIT,
+ .setup = setup,
+ .execute = execute,
+ .teardown = teardown,
+};
--
2.11.0
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