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/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2019 Western Digital Corporation or its affiliates.
*
* Authors:
* Anup Patel <anup.patel@wdc.com>
*/
#ifndef __SBI_SYSTEM_H__
#define __SBI_SYSTEM_H__
#include <sbi/sbi_types.h>
#include <sbi/sbi_list.h>
/** System reset hardware device */
struct sbi_system_reset_device {
/** Name of the system reset device */
char name[32];
/* Check whether reset type and reason supported by the device */
int (*system_reset_check)(u32 reset_type, u32 reset_reason);
/** Reset the system */
void (*system_reset)(u32 reset_type, u32 reset_reason);
/** List */
struct sbi_dlist node;
};
static inline struct sbi_system_reset_device *to_system_reset_device(
struct sbi_dlist *node)
{
return container_of(node, struct sbi_system_reset_device, node);
}
const struct sbi_system_reset_device *sbi_system_reset_get_device(
u32 reset_type, u32 reset_reason);
void sbi_system_reset_add_device(struct sbi_system_reset_device *dev);
bool sbi_system_reset_supported(u32 reset_type, u32 reset_reason);
void __noreturn sbi_system_reset(u32 reset_type, u32 reset_reason);
/** System suspend device */
struct sbi_system_suspend_device {
/** Name of the system suspend device */
char name[32];
/* Check whether sleep type is supported by the device */
int (*system_suspend_check)(u32 sleep_type);
/**
* Suspend the system
*
* @sleep_type: The sleep type identifier passed to the SBI call.
* @mmode_resume_addr:
* This is the same as sbi_scratch.warmboot_addr. Some platforms
* may not be able to return from system_suspend(), so they will
* jump directly to this address instead. Platforms which can
* return from system_suspend() may ignore this parameter.
*/
int (*system_suspend)(u32 sleep_type, unsigned long mmode_resume_addr);
};
const struct sbi_system_suspend_device *sbi_system_suspend_get_device(void);
void sbi_system_suspend_set_device(struct sbi_system_suspend_device *dev);
bool sbi_system_suspend_supported(u32 sleep_type);
int sbi_system_suspend(u32 sleep_type, ulong resume_addr, ulong opaque);
#endif
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