include/clocksource/arm_arch_timer.h

Source file repositories/reference/linux-study-clean/include/clocksource/arm_arch_timer.h

File Facts

System
Linux kernel
Corpus path
include/clocksource/arm_arch_timer.h
Extension
.h
Size
2700 bytes
Lines
114
Domain
Repository Root And Misc
Bucket
include
Inferred role
Repository Root And Misc: implementation source
Status
source implementation candidate

Why This File Exists

Top-level or miscellaneous repository surface. Use this as map coverage unless a later manual pass promotes the file into a deeper subsystem dossier.

Dependency Surface

Detected Declarations

Annotated Snippet

struct arch_timer_kvm_info {
	struct timecounter timecounter;
	int virtual_irq;
	int physical_irq;
};

struct arch_timer_mem_frame {
	bool valid;
	phys_addr_t cntbase;
	size_t size;
	int phys_irq;
	int virt_irq;
};

struct arch_timer_mem {
	phys_addr_t cntctlbase;
	size_t size;
	struct arch_timer_mem_frame frame[ARCH_TIMER_MEM_MAX_FRAMES];
};

#ifdef CONFIG_ARM_ARCH_TIMER

extern u32 arch_timer_get_rate(void);
extern u64 (*arch_timer_read_counter)(void);
extern struct arch_timer_kvm_info *arch_timer_get_kvm_info(void);
extern bool arch_timer_evtstrm_available(void);

#else

static inline u32 arch_timer_get_rate(void)
{
	return 0;
}

static inline u64 arch_timer_read_counter(void)
{
	return 0;
}

static inline bool arch_timer_evtstrm_available(void)
{
	return false;
}

#endif

#endif

Annotation

Implementation Notes