| /* |
| * 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); |
| void sbi_system_suspend_test_enable(void); |
| bool sbi_system_suspend_supported(u32 sleep_type); |
| int sbi_system_suspend(u32 sleep_type, ulong resume_addr, ulong opaque); |
| |
| #endif |