diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/efi_selftest/Makefile | 1 | ||||
| -rw-r--r-- | lib/efi_selftest/efi_selftest_config_table.c | 223 |
2 files changed, 224 insertions, 0 deletions
diff --git a/lib/efi_selftest/Makefile b/lib/efi_selftest/Makefile index bf5c8199cb..c0fd490d2e 100644 --- a/lib/efi_selftest/Makefile +++ b/lib/efi_selftest/Makefile @@ -13,6 +13,7 @@ CFLAGS_REMOVE_efi_selftest_miniapp_return.o := $(CFLAGS_NON_EFI) -Os obj-$(CONFIG_CMD_BOOTEFI_SELFTEST) += \ efi_selftest.o \ efi_selftest_bitblt.o \ +efi_selftest_config_table.o \ efi_selftest_controllers.o \ efi_selftest_console.o \ efi_selftest_devicepath.o \ diff --git a/lib/efi_selftest/efi_selftest_config_table.c b/lib/efi_selftest/efi_selftest_config_table.c new file mode 100644 index 0000000000..627b73cdf8 --- /dev/null +++ b/lib/efi_selftest/efi_selftest_config_table.c @@ -0,0 +1,223 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * efi_selftest_config_tables + * + * Copyright (c) 2018 Heinrich Schuchardt <xypron.glpk@gmx.de> + * + * This test checks the following service: + * InstallConfigurationTable. + */ + +#include <efi_selftest.h> + +static const struct efi_system_table *sys_table; +static struct efi_boot_services *boottime; + +static efi_guid_t table_guid = + EFI_GUID(0xff1c3f9e, 0x795b, 0x1529, 0xf1, 0x55, + 0x17, 0x2e, 0x51, 0x6b, 0x49, 0x75); + +/* + * Notification function, increments the notfication 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. + * + * @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) +{ + sys_table = systable; + boottime = systable->boottime; + + return EFI_ST_SUCCESS; +} + +/* + * Execute unit test. + * + * A table is installed, updated, removed. The table entry and the + * triggering of events is checked. + * + * @return: EFI_ST_SUCCESS for success + */ +static int execute(void) +{ + efi_status_t ret; + unsigned int counter = 0; + struct efi_event *event; + void *table; + const unsigned int tables[2]; + efi_uintn_t i; + efi_uintn_t tabcnt; + efi_uintn_t table_count = sys_table->nr_tables; + + ret = boottime->create_event_ex(0, TPL_NOTIFY, + notify, (void *)&counter, + &table_guid, &event); + if (ret != EFI_SUCCESS) { + efi_st_error("Failed to create event\n"); + return EFI_ST_FAILURE; + } + + /* Try to delete non-existent table */ + ret = boottime->install_configuration_table(&table_guid, NULL); + if (ret != EFI_NOT_FOUND) { + efi_st_error("Failed to detect missing table\n"); + return EFI_ST_FAILURE; + } + if (counter) { + efi_st_error("Notification function was called.\n"); + return EFI_ST_FAILURE; + } + /* Check if the event was signaled */ + ret = boottime->check_event(event); + if (ret == EFI_SUCCESS) { + efi_st_error("Event was signaled on EFI_NOT_FOUND\n"); + return EFI_ST_FAILURE; + } + if (counter != 1) { + efi_st_error("Notification function was not called.\n"); + return EFI_ST_FAILURE; + } + if (table_count != sys_table->nr_tables) { + efi_st_error("Incorrect table count %u, expected %u\n", + (unsigned int)sys_table->nr_tables, + (unsigned int)table_count); + return EFI_ST_FAILURE; + } + + /* Install table */ + ret = boottime->install_configuration_table(&table_guid, + (void *)&tables[0]); + if (ret != EFI_SUCCESS) { + efi_st_error("Failed to install table\n"); + return EFI_ST_FAILURE; + } + /* Check signaled state */ + ret = boottime->check_event(event); + if (ret != EFI_SUCCESS) { + efi_st_error("Event was not signaled on insert\n"); + return EFI_ST_FAILURE; + } + if (++table_count != sys_table->nr_tables) { + efi_st_error("Incorrect table count %u, expected %u\n", + (unsigned int)sys_table->nr_tables, + (unsigned int)table_count); + return EFI_ST_FAILURE; + } + table = NULL; + for (i = 0; i < sys_table->nr_tables; ++i) { + if (!efi_st_memcmp(&sys_table->tables[i].guid, &table_guid, + sizeof(efi_guid_t))) + table = sys_table->tables[i].table; + } + if (!table) { + efi_st_error("Installed table not found\n"); + return EFI_ST_FAILURE; + } + if (table != &tables[0]) { + efi_st_error("Incorrect table address\n"); + return EFI_ST_FAILURE; + } + /* Update table */ + ret = boottime->install_configuration_table(&table_guid, + (void *)&tables[1]); + if (ret != EFI_SUCCESS) { + efi_st_error("Failed to update table\n"); + return EFI_ST_FAILURE; + } + /* Check signaled state */ + ret = boottime->check_event(event); + if (ret != EFI_SUCCESS) { + efi_st_error("Event was not signaled on update\n"); + return EFI_ST_FAILURE; + } + if (table_count != sys_table->nr_tables) { + efi_st_error("Incorrect table count %u, expected %u\n", + (unsigned int)sys_table->nr_tables, + (unsigned int)table_count); + return EFI_ST_FAILURE; + } + table = NULL; + tabcnt = 0; + for (i = 0; i < sys_table->nr_tables; ++i) { + if (!efi_st_memcmp(&sys_table->tables[i].guid, &table_guid, + sizeof(efi_guid_t))) { + table = sys_table->tables[i].table; + ++tabcnt; + } + } + if (!table) { + efi_st_error("Installed table not found\n"); + return EFI_ST_FAILURE; + } + if (tabcnt > 1) { + efi_st_error("Duplicate table guid\n"); + return EFI_ST_FAILURE; + } + if (table != &tables[1]) { + efi_st_error("Incorrect table address\n"); + return EFI_ST_FAILURE; + } + + /* Delete table */ + ret = boottime->install_configuration_table(&table_guid, NULL); + if (ret != EFI_SUCCESS) { + efi_st_error("Failed to delete table\n"); + return EFI_ST_FAILURE; + } + /* Check signaled state */ + ret = boottime->check_event(event); + if (ret != EFI_SUCCESS) { + efi_st_error("Event was not signaled on delete\n"); + return EFI_ST_FAILURE; + } + if (--table_count != sys_table->nr_tables) { + efi_st_error("Incorrect table count %u, expected %u\n", + (unsigned int)sys_table->nr_tables, + (unsigned int)table_count); + return EFI_ST_FAILURE; + } + table = NULL; + for (i = 0; i < sys_table->nr_tables; ++i) { + if (!efi_st_memcmp(&sys_table->tables[i].guid, &table_guid, + sizeof(efi_guid_t))) { + table = sys_table->tables[i].table; + } + } + if (table) { + efi_st_error("Wrong table deleted\n"); + return EFI_ST_FAILURE; + } + + ret = boottime->close_event(event); + if (ret != EFI_SUCCESS) { + efi_st_error("Failed to close event\n"); + return EFI_ST_FAILURE; + } + + return EFI_ST_SUCCESS; +} + +EFI_UNIT_TEST(configtables) = { + .name = "configuration tables", + .phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT, + .setup = setup, + .execute = execute, +}; |