qos_kernel_dep.h File Reference

Portability across different kernel versions. More...

#include <linux/kernel.h>
#include <linux/version.h>
#include <linux/types.h>
#include <linux/kdev_t.h>
#include <linux/fs.h>
#include <linux/aquosa/qos_debug.h>
#include <linux/cdev.h>
#include <linux/kobject.h>

Go to the source code of this file.

Data Structures
struct	qos_dev_info_t
	Kernel-dependent information about a registered virtual device. More...
Defines
#define	KERN_INCREMENT   try_module_get(THIS_MODULE)
	Increment module usage counter within the kernel.
#define	KERN_DECREMENT   module_put(THIS_MODULE)
	Decrement module usage counter within the kernel.
Functions
qos_rv	qos_dev_register (qos_dev_info_t *dev_info, char *dev_name, int def_major, struct file_operations *Fops)
	kernel-dependent registration of a virtual device
qos_rv	qos_dev_unregister (qos_dev_info_t *dev_info)
	kernel-dependent registration of a virtual device

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Detailed Description

Portability across different kernel versions.

Purpose of this file is to provide a set of macros and static inline functions which allow module code to be compiled with different kernel versions.

Definition in file qos_kernel_dep.h.

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Define Documentation

#define KERN_DECREMENT   module_put(THIS_MODULE)

Decrement module usage counter within the kernel.

Definition at line 46 of file qos_kernel_dep.h.

Referenced by device_release(), and qsup_device_release().

#define KERN_INCREMENT   try_module_get(THIS_MODULE)

Increment module usage counter within the kernel.

Definition at line 44 of file qos_kernel_dep.h.

Referenced by device_open(), and qsup_device_open().

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Function Documentation

qos_rv qos_dev_register	(	qos_dev_info_t *	dev_info,
		char *	dev_name,
		int	def_major,
		struct file_operations *	Fops
	)

kernel-dependent registration of a virtual device

Definition at line 53 of file qos_kernel_dep.c.

References qos_dev_info_t::cdev, qos_dev_info_t::dev_name, qos_dev_info_t::dev_num, QOS_E_GENERIC, and QOS_OK.

Referenced by qres_init_module(), and qsup_dev_register().

qos_rv qos_dev_unregister

(

qos_dev_info_t *

dev_info

)

kernel-dependent registration of a virtual device

Definition at line 81 of file qos_kernel_dep.c.

References qos_dev_info_t::cdev, qos_dev_info_t::dev_num, and QOS_OK.

Referenced by qres_cleanup_module(), and qsup_dev_unregister().