140 lines
3.3 KiB
C
140 lines
3.3 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* efi_selftest_event_groups
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*
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* Copyright (c) 2018 Heinrich Schuchardt <xypron.glpk@gmx.de>
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*
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* This test checks the notification of group events and the
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* following services:
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* CreateEventEx, CloseEvent, SignalEvent, CheckEvent.
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*/
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#include <efi_selftest.h>
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#define GROUP_SIZE 16
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static struct efi_boot_services *boottime;
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static efi_guid_t event_group =
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EFI_GUID(0x2335905b, 0xc3b9, 0x4221, 0xa3, 0x71,
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0x0e, 0x5b, 0x45, 0xc0, 0x56, 0x91);
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/*
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* Notification function, increments the notfication count if parameter
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* context is provided.
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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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if (count)
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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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* @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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boottime = systable->boottime;
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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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* Create multiple events in an event group. Signal each event once and check
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* that all events are notified once in each round.
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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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unsigned int counter[GROUP_SIZE] = {0};
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struct efi_event *events[GROUP_SIZE];
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size_t i, j;
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efi_status_t ret;
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for (i = 0; i < GROUP_SIZE; ++i) {
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ret = boottime->create_event_ex(0, TPL_NOTIFY,
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notify, (void *)&counter[i],
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&event_group, &events[i]);
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if (ret != EFI_SUCCESS) {
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efi_st_error("Failed to create event\n");
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return EFI_ST_FAILURE;
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}
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}
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for (i = 0; i < GROUP_SIZE; ++i) {
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ret = boottime->signal_event(events[i]);
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if (ret != EFI_SUCCESS) {
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efi_st_error("Failed to signal event\n");
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return EFI_ST_FAILURE;
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}
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for (j = 0; j < GROUP_SIZE; ++j) {
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if (counter[j] != i) {
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efi_st_printf("i %u, j %u, count %u\n",
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(unsigned int)i, (unsigned int)j,
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(unsigned int)counter[j]);
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efi_st_error(
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"Notification function was called\n");
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return EFI_ST_FAILURE;
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}
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/* Clear signaled state */
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ret = boottime->check_event(events[j]);
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if (ret != EFI_SUCCESS) {
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efi_st_error("Event was not signaled\n");
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return EFI_ST_FAILURE;
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}
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if (counter[j] != i) {
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efi_st_printf("i %u, j %u, count %u\n",
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(unsigned int)i, (unsigned int)j,
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(unsigned int)counter[j]);
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efi_st_error(
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"Notification function was called\n");
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return EFI_ST_FAILURE;
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}
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/* Call notification function */
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ret = boottime->check_event(events[j]);
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if (ret != EFI_NOT_READY) {
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efi_st_error(
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"Signaled state not cleared\n");
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return EFI_ST_FAILURE;
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}
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if (counter[j] != i + 1) {
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efi_st_printf("i %u, j %u, count %u\n",
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(unsigned int)i, (unsigned int)j,
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(unsigned int)counter[j]);
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efi_st_error(
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"Nofification function not called\n");
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return EFI_ST_FAILURE;
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}
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}
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}
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for (i = 0; i < GROUP_SIZE; ++i) {
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ret = boottime->close_event(events[i]);
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if (ret != EFI_SUCCESS) {
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efi_st_error("Failed to 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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EFI_UNIT_TEST(eventgoups) = {
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.name = "event groups",
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.phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT,
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.setup = setup,
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.execute = execute,
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};
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