pci_hotplug_core.c File Reference

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/list.h>
#include <linux/kobject.h>
#include <linux/sysfs.h>
#include <linux/pagemap.h>
#include <linux/init.h>
#include <linux/mount.h>
#include <linux/namei.h>
#include <linux/mutex.h>
#include <linux/pci.h>
#include <linux/pci_hotplug.h>
#include <asm/uaccess.h>
#include "../pci.h"

Go to the source code of this file.

Macros
#define	MY_NAME   "pci_hotplug"
#define	dbg(fmt, arg...)   do { if (debug) printk(KERN_DEBUG "%s: %s: " fmt , MY_NAME , __func__ , ## arg); } while (0)
#define	err(format, arg...)   printk(KERN_ERR "%s: " format , MY_NAME , ## arg)
#define	info(format, arg...)   printk(KERN_INFO "%s: " format , MY_NAME , ## arg)
#define	warn(format, arg...)   printk(KERN_WARNING "%s: " format , MY_NAME , ## arg)
#define	DRIVER_VERSION   "0.5"
#define	DRIVER_AUTHOR   "Greg Kroah-Hartman <[email protected]>, Scott Murray <[email protected]>"
#define	DRIVER_DESC   "PCI Hot Plug PCI Core"
#define	GET_STATUS(name, type)

Functions
: name registered with kobject core
__pci_hp_register - register a hotplug_slot with the PCI hotplug subsystem : bus this slot is on : pointer to the &struct hotplug_slot to register : device number : caller module owner : caller module name Registers a hotplug slot with the pci hotplug subsystem, which will allow userspace interaction to the slot. Returns 0 if successful, anything else for an error.
int	__pci_hp_register (struct hotplug_slot *slot, struct pci_bus *bus, int devnr, const char *name, struct module *owner, const char *mod_name)
int	pci_hp_deregister (struct hotplug_slot *hotplug)
int __must_check	pci_hp_change_slot_info (struct hotplug_slot *hotplug, struct hotplug_slot_info *info)
	module_init (pci_hotplug_init)
	module_exit (pci_hotplug_exit)
	MODULE_AUTHOR (DRIVER_AUTHOR)
	MODULE_DESCRIPTION (DRIVER_DESC)
	MODULE_LICENSE ("GPL")
	module_param (debug, bool, 0644)
	MODULE_PARM_DESC (debug,"Debugging mode enabled or not")
	EXPORT_SYMBOL_GPL (__pci_hp_register)
	EXPORT_SYMBOL_GPL (pci_hp_deregister)
	EXPORT_SYMBOL_GPL (pci_hp_change_slot_info)

Macro Definition Documentation

#define dbg	(		fmt,
			arg...
	)		do { if (debug) printk(KERN_DEBUG "%s: %s: " fmt , MY_NAME , __func__ , ## arg); } while (0)

Definition at line 47 of file pci_hotplug_core.c.

#define DRIVER_AUTHOR   "Greg Kroah-Hartman <[email protected]>, Scott Murray <[email protected]>"

Definition at line 57 of file pci_hotplug_core.c.

#define DRIVER_DESC   "PCI Hot Plug PCI Core"

Definition at line 58 of file pci_hotplug_core.c.

#define DRIVER_VERSION   "0.5"

Definition at line 56 of file pci_hotplug_core.c.

#define err	(		format,
			arg...
	)		printk(KERN_ERR "%s: " format , MY_NAME , ## arg)

Definition at line 48 of file pci_hotplug_core.c.

#define GET_STATUS	(		name,
			type
	)

Value:

static int get_##name (struct hotplug_slot *slot, type *value)      \
{                                   \
	struct hotplug_slot_ops *ops = slot->ops;          \
    int retval = 0;                         \
    if (!try_module_get(ops->owner))                \
        return -ENODEV;                     \
    if (ops->get_##name)                        \
        retval = ops->get_##name(slot, value);          \
    else                                \
        *value = slot->info->name;              \
    module_put(ops->owner);                     \
    return retval;                          \
}

Definition at line 75 of file pci_hotplug_core.c.

#define info	(		format,
			arg...
	)		printk(KERN_INFO "%s: " format , MY_NAME , ## arg)

Definition at line 49 of file pci_hotplug_core.c.

#define MY_NAME   "pci_hotplug"

Definition at line 45 of file pci_hotplug_core.c.

#define warn	(		format,
			arg...
	)		printk(KERN_WARNING "%s: " format , MY_NAME , ## arg)

Definition at line 50 of file pci_hotplug_core.c.

Function Documentation

int __pci_hp_register	(	struct hotplug_slot *	slot,
		struct pci_bus *	bus,
		int	devnr,
		const char *	name,
		struct module *	owner,
		const char *	mod_name
	)

Definition at line 434 of file pci_hotplug_core.c.

EXPORT_SYMBOL_GPL

(

__pci_hp_register

)

EXPORT_SYMBOL_GPL

(

pci_hp_deregister

)

EXPORT_SYMBOL_GPL

(

pci_hp_change_slot_info

)

MODULE_AUTHOR

(

DRIVER_AUTHOR

)

MODULE_DESCRIPTION

(

DRIVER_DESC

)

module_exit

(

pci_hotplug_exit

)

module_init

(

pci_hotplug_init

)

MODULE_LICENSE

(

"GPL"

)

module_param	(	debug	,
		bool	,
		0644
	)

MODULE_PARM_DESC	(	debug	,
		"Debugging mode enabled or not"
	)

int __must_check pci_hp_change_slot_info	(	struct hotplug_slot *	hotplug,
		struct hotplug_slot_info *	info
	)

pci_hp_change_slot_info - changes the slot's information structure in the core : pointer to the slot whose info has changed : pointer to the info copy into the slot's info structure

must have been registered with the pci hotplug subsystem previously with a call to pci_hp_register().

Returns 0 if successful, anything else for an error.

Definition at line 527 of file pci_hotplug_core.c.

int pci_hp_deregister

(

struct hotplug_slot *

hotplug

)

pci_hp_deregister - deregister a hotplug_slot with the PCI hotplug subsystem : pointer to the &struct hotplug_slot to deregister

The must have been registered with the pci hotplug subsystem previously with a call to pci_hp_register().

Returns 0 if successful, anything else for an error.

Definition at line 488 of file pci_hotplug_core.c.