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/* Copyright 2016 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "config.h"
#include "board.h"
#include "console.h"
#include "endian.h"
#include "extension.h"
#include "hooks.h"
#include "system.h"
#include "util.h"
#define CPRINTS(format, args...) cprints(CC_SYSTEM, format, ## args)
static void post_reset_command_handler(void *body,
size_t cmd_size,
size_t *response_size)
{
*response_size = 1;
((uint8_t *)body)[0] = 0;
post_reboot_request();
}
DECLARE_EXTENSION_COMMAND(EXTENSION_POST_RESET, post_reset_command_handler);
static void deferred_reset(void)
{
system_reset(SYSTEM_RESET_MANUALLY_TRIGGERED | SYSTEM_RESET_HARD);
}
DECLARE_DEFERRED(deferred_reset);
#define MAX_REBOOT_TIMEOUT_MS 1000
static enum vendor_cmd_rc immediate_reset(enum vendor_cmd_cc code,
void *buf,
size_t input_size,
size_t *response_size)
{
uint16_t timeout = 0;
*response_size = 0;
if (input_size) {
if (input_size != sizeof(uint16_t)) {
CPRINTS("%s: incorrect request size %d",
__func__, input_size);
return VENDOR_RC_BOGUS_ARGS;
}
/* Retrieve the requested timeout. */
memcpy(&timeout, buf, sizeof(timeout));
timeout = be16toh(timeout);
if (timeout > MAX_REBOOT_TIMEOUT_MS) {
CPRINTS("%s: incorrect timeout value %d",
__func__, timeout);
return VENDOR_RC_BOGUS_ARGS;
}
}
CPRINTS("%s: rebooting on host's request in %d ms", __func__, timeout);
cflush(); /* Let the console drain. */
if (timeout)
hook_call_deferred(&deferred_reset_data, timeout * MSEC);
else
deferred_reset();
return VENDOR_RC_SUCCESS;
}
DECLARE_VENDOR_COMMAND(VENDOR_CC_IMMEDIATE_RESET, immediate_reset);
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