cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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apm-emulation.h (1599B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/* -*- linux-c -*-
      3 *
      4 * (C) 2003 zecke@handhelds.org
      5 *
      6 * based on arch/arm/kernel/apm.c
      7 * factor out the information needed by architectures to provide
      8 * apm status
      9 */
     10#ifndef __LINUX_APM_EMULATION_H
     11#define __LINUX_APM_EMULATION_H
     12
     13#include <linux/apm_bios.h>
     14
     15/*
     16 * This structure gets filled in by the machine specific 'get_power_status'
     17 * implementation.  Any fields which are not set default to a safe value.
     18 */
     19struct apm_power_info {
     20	unsigned char	ac_line_status;
     21#define APM_AC_OFFLINE			0
     22#define APM_AC_ONLINE			1
     23#define APM_AC_BACKUP			2
     24#define APM_AC_UNKNOWN			0xff
     25
     26	unsigned char	battery_status;
     27#define APM_BATTERY_STATUS_HIGH		0
     28#define APM_BATTERY_STATUS_LOW		1
     29#define APM_BATTERY_STATUS_CRITICAL	2
     30#define APM_BATTERY_STATUS_CHARGING	3
     31#define APM_BATTERY_STATUS_NOT_PRESENT	4
     32#define APM_BATTERY_STATUS_UNKNOWN	0xff
     33
     34	unsigned char	battery_flag;
     35#define APM_BATTERY_FLAG_HIGH		(1 << 0)
     36#define APM_BATTERY_FLAG_LOW		(1 << 1)
     37#define APM_BATTERY_FLAG_CRITICAL	(1 << 2)
     38#define APM_BATTERY_FLAG_CHARGING	(1 << 3)
     39#define APM_BATTERY_FLAG_NOT_PRESENT	(1 << 7)
     40#define APM_BATTERY_FLAG_UNKNOWN	0xff
     41
     42	int		battery_life;
     43	int		time;
     44	int		units;
     45#define APM_UNITS_MINS			0
     46#define APM_UNITS_SECS			1
     47#define APM_UNITS_UNKNOWN		-1
     48
     49};
     50
     51/*
     52 * This allows machines to provide their own "apm get power status" function.
     53 */
     54extern void (*apm_get_power_status)(struct apm_power_info *);
     55
     56/*
     57 * Queue an event (APM_SYS_SUSPEND or APM_CRITICAL_SUSPEND)
     58 */
     59void apm_queue_event(apm_event_t event);
     60
     61#endif /* __LINUX_APM_EMULATION_H */