112 lines
2.4 KiB
C
112 lines
2.4 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* efi_selftest_exitbootservices
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*
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* Copyright (c) 2017 Heinrich Schuchardt <xypron.glpk@gmx.de>
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*
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* This unit test checks that the notification function of an
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* EVT_SIGNAL_EXIT_BOOT_SERVICES event is called exactly once.
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*/
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#include <efi_selftest.h>
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static struct efi_boot_services *boottime;
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static struct efi_event *event_notify;
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static unsigned int notification_count;
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/*
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* Notification function, increments the notification count.
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*
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* @event notified event
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* @context pointer to the notification count
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*/
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static void EFIAPI notify(struct efi_event *event, void *context)
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{
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unsigned int *count = context;
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++*count;
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}
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/*
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* Setup unit test.
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*
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* Create an EVT_SIGNAL_EXIT_BOOT_SERVICES event.
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*
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* @handle: handle of the loaded image
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* @systable: system table
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* @return: EFI_ST_SUCCESS for success
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*/
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static int setup(const efi_handle_t handle,
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const struct efi_system_table *systable)
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{
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efi_status_t ret;
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boottime = systable->boottime;
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notification_count = 0;
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ret = boottime->create_event(EVT_SIGNAL_EXIT_BOOT_SERVICES,
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TPL_CALLBACK, notify,
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(void *)¬ification_count,
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&event_notify);
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if (ret != EFI_SUCCESS) {
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efi_st_error("could not create event\n");
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return EFI_ST_FAILURE;
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}
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return EFI_ST_SUCCESS;
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}
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/*
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* Tear down unit test.
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*
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* Close the event created in setup.
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*
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* @return: EFI_ST_SUCCESS for success
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*/
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static int teardown(void)
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{
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efi_status_t ret;
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if (event_notify) {
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ret = boottime->close_event(event_notify);
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event_notify = NULL;
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if (ret != EFI_SUCCESS) {
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efi_st_error("could not close event\n");
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return EFI_ST_FAILURE;
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}
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}
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return EFI_ST_SUCCESS;
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}
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/*
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* Execute unit test.
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*
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* Check that the notification function of the EVT_SIGNAL_EXIT_BOOT_SERVICES
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* event has been called.
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*
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* Call ExitBootServices again and check that the notification function is
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* not called again.
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*
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* @return: EFI_ST_SUCCESS for success
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*/
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static int execute(void)
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{
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if (notification_count != 1) {
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efi_st_error("ExitBootServices was not notified\n");
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return EFI_ST_FAILURE;
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}
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efi_st_exit_boot_services();
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if (notification_count != 1) {
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efi_st_error("ExitBootServices was notified twice\n");
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return EFI_ST_FAILURE;
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}
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return EFI_ST_SUCCESS;
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}
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EFI_UNIT_TEST(exitbootservices) = {
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.name = "ExitBootServices",
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.phase = EFI_SETUP_BEFORE_BOOTTIME_EXIT,
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.setup = setup,
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.execute = execute,
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.teardown = teardown,
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};
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