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author | 2023-10-10 14:33:42 +0000 | |
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committer | 2023-10-10 14:33:42 +0000 | |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/lib/efi_selftest/efi_selftest_events.c | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/lib/efi_selftest/efi_selftest_events.c')
-rw-r--r-- | roms/u-boot/lib/efi_selftest/efi_selftest_events.c | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/roms/u-boot/lib/efi_selftest/efi_selftest_events.c b/roms/u-boot/lib/efi_selftest/efi_selftest_events.c new file mode 100644 index 000000000..1077cbdf9 --- /dev/null +++ b/roms/u-boot/lib/efi_selftest/efi_selftest_events.c @@ -0,0 +1,204 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * efi_selftest_events + * + * Copyright (c) 2017 Heinrich Schuchardt <xypron.glpk@gmx.de> + * + * This unit test uses timer events to check the implementation + * of the following boottime services: + * CreateEvent, CloseEvent, WaitForEvent, CheckEvent, SetTimer. + */ + +#include <efi_selftest.h> + +static struct efi_event *event_notify; +static struct efi_event *event_wait; +static unsigned int timer_ticks; +static struct efi_boot_services *boottime; + +/* + * Notification function, increments the notification count if parameter + * context is provided. + * + * @event notified event + * @context pointer to the notification count + */ +static void EFIAPI notify(struct efi_event *event, void *context) +{ + unsigned int *count = context; + + if (count) + ++*count; +} + +/* + * Setup unit test. + * + * Create two timer events. + * One with EVT_NOTIFY_SIGNAL, the other with EVT_NOTIFY_WAIT. + * + * @handle: handle of the loaded image + * @systable: system table + * @return: EFI_ST_SUCCESS for success + */ +static int setup(const efi_handle_t handle, + const struct efi_system_table *systable) +{ + efi_status_t ret; + + boottime = systable->boottime; + + ret = boottime->create_event(EVT_TIMER | EVT_NOTIFY_SIGNAL, + TPL_CALLBACK, notify, (void *)&timer_ticks, + &event_notify); + if (ret != EFI_SUCCESS) { + efi_st_error("could not create event\n"); + return EFI_ST_FAILURE; + } + ret = boottime->create_event(EVT_TIMER | EVT_NOTIFY_WAIT, + TPL_CALLBACK, notify, NULL, &event_wait); + if (ret != EFI_SUCCESS) { + efi_st_error("could not create event\n"); + return EFI_ST_FAILURE; + } + return EFI_ST_SUCCESS; +} + +/* + * Tear down unit test. + * + * Close the events created in setup. + * + * @return: EFI_ST_SUCCESS for success + */ +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 EFI_ST_FAILURE; + } + } + if (event_wait) { + ret = boottime->close_event(event_wait); + event_wait = NULL; + if (ret != EFI_SUCCESS) { + efi_st_error("could not close event\n"); + return EFI_ST_FAILURE; + } + } + return EFI_ST_SUCCESS; +} + +/* + * Execute unit test. + * + * Run a 10 ms periodic timer and check that it is called 10 times + * while waiting for 100 ms single shot timer. + * + * Run a 100 ms single shot timer and check that it is called once + * while waiting for 100 ms periodic timer for two periods. + * + * @return: EFI_ST_SUCCESS for success + */ +static int execute(void) +{ + efi_uintn_t index; + efi_status_t ret; + + /* Set 10 ms timer */ + timer_ticks = 0; + ret = boottime->set_timer(event_notify, EFI_TIMER_PERIODIC, 100000); + if (ret != EFI_SUCCESS) { + efi_st_error("Could not set timer\n"); + return EFI_ST_FAILURE; + } + /* Set 100 ms timer */ + ret = boottime->set_timer(event_wait, EFI_TIMER_RELATIVE, 1000000); + if (ret != EFI_SUCCESS) { + efi_st_error("Could not set timer\n"); + return EFI_ST_FAILURE; + } + + /* Set some arbitrary non-zero value to make change detectable. */ + index = 5; + ret = boottime->wait_for_event(1, &event_wait, &index); + if (ret != EFI_SUCCESS) { + efi_st_error("Could not wait for event\n"); + return EFI_ST_FAILURE; + } + ret = boottime->check_event(event_wait); + if (ret != EFI_NOT_READY) { + efi_st_error("Signaled state was not cleared.\n"); + efi_st_printf("ret = %u\n", (unsigned int)ret); + return EFI_ST_FAILURE; + } + if (index != 0) { + efi_st_error("WaitForEvent returned wrong index\n"); + return EFI_ST_FAILURE; + } + if (timer_ticks < 8 || timer_ticks > 12) { + efi_st_printf("Notification count periodic: %u\n", timer_ticks); + efi_st_error("Incorrect timing of events\n"); + return EFI_ST_FAILURE; + } + ret = boottime->set_timer(event_notify, EFI_TIMER_STOP, 0); + if (ret != EFI_SUCCESS) { + efi_st_error("Could not cancel timer\n"); + return EFI_ST_FAILURE; + } + /* Set 10 ms timer */ + timer_ticks = 0; + ret = boottime->set_timer(event_notify, EFI_TIMER_RELATIVE, 100000); + if (ret != EFI_SUCCESS) { + efi_st_error("Could not set timer\n"); + return EFI_ST_FAILURE; + } + /* Set 100 ms timer */ + ret = boottime->set_timer(event_wait, EFI_TIMER_PERIODIC, 1000000); + if (ret != EFI_SUCCESS) { + efi_st_error("Could not set timer\n"); + return EFI_ST_FAILURE; + } + ret = boottime->wait_for_event(1, &event_wait, &index); + if (ret != EFI_SUCCESS) { + efi_st_error("Could not wait for event\n"); + return EFI_ST_FAILURE; + } + if (timer_ticks != 1) { + efi_st_printf("Notification count single shot: %u\n", + timer_ticks); + efi_st_error("Single shot timer failed\n"); + return EFI_ST_FAILURE; + } + ret = boottime->wait_for_event(1, &event_wait, &index); + if (ret != EFI_SUCCESS) { + efi_st_error("Could not wait for event\n"); + return EFI_ST_FAILURE; + } + if (timer_ticks != 1) { + efi_st_printf("Notification count stopped timer: %u\n", + timer_ticks); + efi_st_error("Stopped timer fired\n"); + return EFI_ST_FAILURE; + } + ret = boottime->set_timer(event_wait, EFI_TIMER_STOP, 0); + if (ret != EFI_SUCCESS) { + efi_st_error("Could not cancel timer\n"); + return EFI_ST_FAILURE; + } + + return EFI_ST_SUCCESS; +} + +EFI_UNIT_TEST(events) = { + .name = "event services", + .phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT, + .setup = setup, + .execute = execute, + .teardown = teardown, +}; |