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/* Copyright 2022 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "ec_commands.h"
#include "host_command.h"
#include "system.h"
#include "system_fake.h"
#include "test/drivers/test_state.h"
#include "vstore.h"
#include <setjmp.h>
#include <zephyr/fff.h>
#include <zephyr/shell/shell_dummy.h>
#include <zephyr/ztest.h>
#include <console.h>
ZTEST_SUITE(vstore, drivers_predicate_post_main, NULL, NULL, NULL, NULL);
ZTEST_USER(vstore, test_vstore_info)
{
struct ec_response_vstore_info response;
struct host_cmd_handler_args args =
BUILD_HOST_COMMAND_RESPONSE(EC_CMD_VSTORE_INFO, 0, response);
zassert_ok(host_command_process(&args), NULL);
zassert_ok(args.result, NULL);
zassert_equal(args.response_size, sizeof(response), NULL);
zassert_equal(response.slot_count, CONFIG_VSTORE_SLOT_COUNT,
"response.slot_count = %d", response.slot_count);
zassert_equal(response.slot_locked, 0, "response.slot_locked = %#x",
response.slot_locked);
}
ZTEST_USER(vstore, test_vstore_read)
{
struct ec_params_vstore_read params = {
.slot = 0,
};
struct ec_response_vstore_read response;
struct host_cmd_handler_args args =
BUILD_HOST_COMMAND(EC_CMD_VSTORE_READ, 0, response, params);
uint8_t expect[EC_VSTORE_SLOT_SIZE] = {}; /* data should start as 0 */
zassert_ok(host_command_process(&args), NULL);
zassert_ok(args.result, NULL);
zassert_equal(args.response_size, sizeof(response), NULL);
zassert_mem_equal(expect, response.data, EC_VSTORE_SLOT_SIZE,
"response.data did not match");
}
ZTEST_USER(vstore, test_vstore_read_bad_slot)
{
struct ec_params_vstore_read params = {
.slot = CONFIG_VSTORE_SLOT_COUNT,
};
struct ec_response_vstore_read response;
struct host_cmd_handler_args args =
BUILD_HOST_COMMAND(EC_CMD_VSTORE_READ, 0, response, params);
zassert_equal(host_command_process(&args), EC_RES_INVALID_PARAM,
"Failed to fail on invalid slot %d", params.slot);
}
ZTEST_USER(vstore, test_vstore_write_bad_slot)
{
struct ec_params_vstore_write params = {
.slot = CONFIG_VSTORE_SLOT_COUNT,
.data = {},
};
struct host_cmd_handler_args args =
BUILD_HOST_COMMAND_PARAMS(EC_CMD_VSTORE_WRITE, 0, params);
zassert_equal(host_command_process(&args), EC_RES_INVALID_PARAM,
"Failed to fail on invalid slot %d", params.slot);
}
static void do_vstore_write_read(unsigned int slot)
{
struct ec_params_vstore_write write_params = {
.slot = slot,
/* .data is set up below */
};
struct host_cmd_handler_args write_args =
BUILD_HOST_COMMAND_PARAMS(EC_CMD_VSTORE_WRITE, 0, write_params);
struct ec_params_vstore_read read_params = {
.slot = slot,
};
struct ec_response_vstore_read read_response;
struct host_cmd_handler_args read_args = BUILD_HOST_COMMAND(
EC_CMD_VSTORE_READ, 0, read_response, read_params);
struct ec_response_vstore_info info_response;
struct host_cmd_handler_args info_args = BUILD_HOST_COMMAND_RESPONSE(
EC_CMD_VSTORE_INFO, 0, info_response);
int i;
for (i = 0; i < EC_VSTORE_SLOT_SIZE; i++)
write_params.data[i] = i + 1;
/* Write to a slot */
zassert_ok(host_command_process(&write_args), NULL);
zassert_ok(write_args.result, NULL);
/* Check that it is now locked */
zassert_ok(host_command_process(&info_args), NULL);
zassert_ok(info_args.result, NULL);
zassert_equal(info_args.response_size, sizeof(info_response), NULL);
zassert_equal(info_response.slot_count, CONFIG_VSTORE_SLOT_COUNT,
"response.slot_count = %d", info_response.slot_count);
zassert_equal(info_response.slot_locked, 1 << slot,
"response.slot_locked = %#x", info_response.slot_locked);
/* Read to check data */
zassert_ok(host_command_process(&read_args), NULL);
zassert_ok(read_args.result, NULL);
zassert_equal(read_args.response_size, sizeof(read_response), NULL);
zassert_mem_equal(write_params.data, read_response.data,
EC_VSTORE_SLOT_SIZE, "response.data did not match");
/* Try to write to it again */
zassert_equal(host_command_process(&write_args), EC_RES_ACCESS_DENIED,
"Failed to fail on writing locked slot %d",
write_params.slot);
/* Check that it is still locked after that attempt */
zassert_ok(host_command_process(&info_args), NULL);
zassert_ok(info_args.result, NULL);
zassert_equal(info_args.response_size, sizeof(info_response), NULL);
zassert_equal(info_response.slot_count, CONFIG_VSTORE_SLOT_COUNT,
"response.slot_count = %d", info_response.slot_count);
zassert_equal(info_response.slot_locked, 1 << slot,
"response.slot_locked = %#x", info_response.slot_locked);
/* Read to check the data didn't change */
zassert_ok(host_command_process(&read_args), NULL);
zassert_ok(read_args.result, NULL);
zassert_equal(read_args.response_size, sizeof(read_response), NULL);
zassert_mem_equal(write_params.data, read_response.data,
EC_VSTORE_SLOT_SIZE, "response.data did not match");
/* Clear locks and try the write again, this time with zero bytes */
vstore_clear_lock();
memset(write_params.data, '\0', EC_VSTORE_SLOT_SIZE);
zassert_ok(host_command_process(&write_args), NULL);
zassert_ok(write_args.result, NULL);
/* Check that it is now locked */
zassert_ok(host_command_process(&info_args), NULL);
zassert_ok(info_args.result, NULL);
zassert_equal(info_args.response_size, sizeof(info_response), NULL);
zassert_equal(info_response.slot_count, CONFIG_VSTORE_SLOT_COUNT,
"response.slot_count = %d", info_response.slot_count);
zassert_equal(info_response.slot_locked, 1 << slot,
"response.slot_locked = %#x", info_response.slot_locked);
/* Read to check the data changed */
zassert_ok(host_command_process(&read_args), NULL);
zassert_ok(read_args.result, NULL);
zassert_equal(read_args.response_size, sizeof(read_response), NULL);
zassert_mem_equal(write_params.data, read_response.data,
EC_VSTORE_SLOT_SIZE, "response.data did not match");
/* Clear locks to put things into a normal state */
vstore_clear_lock();
}
ZTEST_USER(vstore, test_vstore_write_read)
{
/* Try on two different slots */
zassert_true(CONFIG_VSTORE_SLOT_COUNT >= 2,
"Please set CONFIG_VSTORE_SLOT_COUNT to >= 2");
do_vstore_write_read(0);
do_vstore_write_read(1);
}
ZTEST_USER(vstore, test_vstore_state)
{
struct ec_params_vstore_write write_params = {
.slot = 0,
/* .data is set up below */
};
struct host_cmd_handler_args write_args =
BUILD_HOST_COMMAND_PARAMS(EC_CMD_VSTORE_WRITE, 0, write_params);
struct ec_params_reboot_ec reboot_params = {
.cmd = EC_REBOOT_JUMP_RW,
};
struct host_cmd_handler_args reboot_args =
BUILD_HOST_COMMAND_PARAMS(EC_CMD_REBOOT_EC, 0, reboot_params);
struct ec_response_vstore_info info_response;
struct host_cmd_handler_args info_args = BUILD_HOST_COMMAND_RESPONSE(
EC_CMD_VSTORE_INFO, 0, info_response);
jmp_buf env;
int i;
shell_backend_dummy_clear_output(get_ec_shell());
system_common_pre_init();
for (i = 0; i < EC_VSTORE_SLOT_SIZE; i++)
write_params.data[i] = i + 1;
/* Write to a slot */
zassert_ok(host_command_process(&write_args), NULL);
zassert_ok(write_args.result, NULL);
/* Set up so we get back to this test on a reboot */
if (!setjmp(env)) {
system_fake_setenv(&env);
/* Reboot to RW */
zassert_ok(host_command_process(&reboot_args), NULL);
/* Does not return unless something went wrong */
zassert_unreachable("Failed to reboot");
}
/* the reboot should end up here: check the slot is still locked */
zassert_ok(host_command_process(&info_args), NULL);
zassert_ok(info_args.result, NULL);
zassert_equal(info_args.response_size, sizeof(info_response), NULL);
zassert_equal(info_response.slot_count, CONFIG_VSTORE_SLOT_COUNT,
"response.slot_count = %d", info_response.slot_count);
zassert_equal(info_response.slot_locked, 1 << 0,
"response.slot_locked = %#x", info_response.slot_locked);
/* Clear locks to put things into a normal state */
vstore_clear_lock();
}
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