blob: 1e9a412cb011801feb83d7cb3602b9cbf5b5c285 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
/* Copyright 2019 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include <stddef.h>
#include "chipset.h"
#include "system.h"
#include "host_command.h"
#include "util.h"
static enum ec_status
host_command_get_uptime_info(struct host_cmd_handler_args *args)
{
/*
* In the current implementation, not all terms are preserved across a
* sysjump. Future implementations may preserve additional information.
*
* time_since_ec_boot_ms: preserved, but wraps at ~50 days
* ec_reset_flags: preserved, with 'sysjump' added
* ap_resets_since_ec_boot: Not preserved
* recent_ap_reset[*]: Not preserved
*/
struct ec_response_uptime_info *r = args->response;
timestamp_t now = get_time();
uint32_t now_ms = (uint32_t)(now.val / MSEC);
enum ec_error_list rc;
r->time_since_ec_boot_ms = now_ms;
r->ec_reset_flags = system_get_reset_flags();
memset(r->recent_ap_reset, 0, sizeof(r->recent_ap_reset));
rc = get_ap_reset_stats(r->recent_ap_reset,
ARRAY_SIZE(r->recent_ap_reset),
&r->ap_resets_since_ec_boot);
args->response_size = sizeof(*r);
return rc == EC_SUCCESS ? EC_RES_SUCCESS : EC_RES_ERROR;
}
DECLARE_HOST_COMMAND(EC_CMD_GET_UPTIME_INFO,
host_command_get_uptime_info,
EC_VER_MASK(0));
|
