arch/loongarch/include/asm/acpi.h

Source file repositories/reference/linux-study-clean/arch/loongarch/include/asm/acpi.h

File Facts

System
Linux kernel
Corpus path
arch/loongarch/include/asm/acpi.h
Extension
.h
Size
1293 bytes
Lines
59
Domain
Architecture Layer
Bucket
arch/loongarch
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef _ASM_LOONGARCH_ACPI_H
#define _ASM_LOONGARCH_ACPI_H

#include <asm/smp.h>
#include <asm/suspend.h>

#ifdef CONFIG_ACPI
extern int acpi_strict;
extern int acpi_disabled;
extern int acpi_pci_disabled;
extern int acpi_noirq;
extern int pptt_enabled;

#define acpi_os_ioremap acpi_os_ioremap
void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size);

static inline void disable_acpi(void)
{
	acpi_disabled = 1;
	acpi_pci_disabled = 1;
	acpi_noirq = 1;
}

static inline bool acpi_has_cpu_in_madt(void)
{
	return true;
}

#define MAX_CORE_PIC 2048

extern struct list_head acpi_wakeup_device_list;
extern struct acpi_madt_core_pic acpi_core_pic[MAX_CORE_PIC];

extern int __init parse_acpi_topology(void);

#endif /* !CONFIG_ACPI */

#define ACPI_TABLE_UPGRADE_MAX_PHYS ARCH_LOW_ADDRESS_LIMIT

extern int loongarch_acpi_suspend(void);
extern int (*acpi_suspend_lowlevel)(void);

static inline unsigned long acpi_get_wakeup_address(void)
{
#ifdef CONFIG_SUSPEND
	return (unsigned long)loongarch_wakeup_start;
#endif
	return 0UL;
}

#endif /* _ASM_LOONGARCH_ACPI_H */

Annotation

Implementation Notes