include/linux/platform_data/x86/soc.h

Source file repositories/reference/linux-study-clean/include/linux/platform_data/x86/soc.h

File Facts

System
Linux kernel
Corpus path
include/linux/platform_data/x86/soc.h
Extension
.h
Size
1358 bytes
Lines
71
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef __PLATFORM_DATA_X86_SOC_H
#define __PLATFORM_DATA_X86_SOC_H

#include <linux/types.h>

#if IS_ENABLED(CONFIG_X86)

#include <linux/mod_devicetable.h>

#include <asm/cpu_device_id.h>

#define SOC_INTEL_IS_CPU(soc, type)				\
static inline bool soc_intel_is_##soc(void)			\
{								\
	static const struct x86_cpu_id soc##_cpu_ids[] = {	\
		X86_MATCH_VFM(type, NULL),			\
		{}						\
	};							\
	const struct x86_cpu_id *id;				\
								\
	id = x86_match_cpu(soc##_cpu_ids);			\
	if (id)							\
		return true;					\
	return false;						\
}

SOC_INTEL_IS_CPU(byt, INTEL_ATOM_SILVERMONT);
SOC_INTEL_IS_CPU(cht, INTEL_ATOM_AIRMONT);
SOC_INTEL_IS_CPU(apl, INTEL_ATOM_GOLDMONT);
SOC_INTEL_IS_CPU(glk, INTEL_ATOM_GOLDMONT_PLUS);
SOC_INTEL_IS_CPU(cml, INTEL_KABYLAKE_L);

#undef SOC_INTEL_IS_CPU

#else /* IS_ENABLED(CONFIG_X86) */

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

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

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

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

static inline bool soc_intel_is_cml(void)
{
	return false;
}
#endif /* IS_ENABLED(CONFIG_X86) */

#endif /* __PLATFORM_DATA_X86_SOC_H */

Annotation

Implementation Notes