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