sysfs.c File Reference

#include <linux/device.h>
#include <linux/cpu.h>
#include <linux/smp.h>
#include <linux/percpu.h>
#include <linux/init.h>
#include <linux/sched.h>
#include <linux/export.h>
#include <linux/nodemask.h>
#include <linux/cpumask.h>
#include <linux/notifier.h>
#include <asm/current.h>
#include <asm/processor.h>
#include <asm/cputable.h>
#include <asm/hvcall.h>
#include <asm/prom.h>
#include <asm/machdep.h>
#include <asm/smp.h>
#include <asm/pmc.h>
#include "cacheinfo.h"

Go to the source code of this file.

Macros
#define	SYSFS_PMCSETUP(NAME, ADDRESS)

Functions
void	ppc_enable_pmcs (void)
	EXPORT_SYMBOL (ppc_enable_pmcs)
int	cpu_add_dev_attr (struct device_attribute *attr)
	EXPORT_SYMBOL_GPL (cpu_add_dev_attr)
int	cpu_add_dev_attr_group (struct attribute_group *attrs)
	EXPORT_SYMBOL_GPL (cpu_add_dev_attr_group)
void	cpu_remove_dev_attr (struct device_attribute *attr)
	EXPORT_SYMBOL_GPL (cpu_remove_dev_attr)
void	cpu_remove_dev_attr_group (struct attribute_group *attrs)
	EXPORT_SYMBOL_GPL (cpu_remove_dev_attr_group)
	subsys_initcall (topology_init)

Macro Definition Documentation

#define SYSFS_PMCSETUP	(		NAME,
			ADDRESS
	)

Value:

static void read_##NAME(void *val) \
{ \
    *(unsigned long *)val = mfspr(ADDRESS); \
} \
static void write_##NAME(void *val) \
{ \
    ppc_enable_pmcs(); \
    mtspr(ADDRESS, *(unsigned long *)val);  \
} \
static ssize_t show_##NAME(struct device *dev, \
            struct device_attribute *attr, \
            char *buf) \
{ \
	struct cpu *cpu = container_of(dev, struct cpu, dev); \
    unsigned long val; \
    smp_call_function_single(cpu->dev.id, read_##NAME, &val, 1);    \
    return sprintf(buf, "%lx\n", val); \
} \
static ssize_t __used \
    store_##NAME(struct device *dev, struct device_attribute *attr, \
            const char *buf, size_t count) \
{ \
	struct cpu *cpu = container_of(dev, struct cpu, dev); \
    unsigned long val; \
    int ret = sscanf(buf, "%lx", &val); \
    if (ret != 1) \
        return -EINVAL; \
    smp_call_function_single(cpu->dev.id, write_##NAME, &val, 1); \
    return count; \
}

Definition at line 110 of file sysfs.c.

Function Documentation

int cpu_add_dev_attr

(

struct device_attribute *

attr

)

Definition at line 531 of file sysfs.c.

int cpu_add_dev_attr_group

(

struct attribute_group *

attrs

)

Definition at line 546 of file sysfs.c.

void cpu_remove_dev_attr

(

struct device_attribute *

attr

)

Definition at line 566 of file sysfs.c.

void cpu_remove_dev_attr_group

(

struct attribute_group *

attrs

)

Definition at line 580 of file sysfs.c.

EXPORT_SYMBOL

(

ppc_enable_pmcs

)

EXPORT_SYMBOL_GPL

(

cpu_add_dev_attr

)

EXPORT_SYMBOL_GPL

(

cpu_add_dev_attr_group

)

EXPORT_SYMBOL_GPL

(

cpu_remove_dev_attr

)

EXPORT_SYMBOL_GPL

(

cpu_remove_dev_attr_group

)

void ppc_enable_pmcs

(

void

)

Definition at line 95 of file sysfs.c.

subsys_initcall

(

topology_init

)