创建kset

1、kset介绍

2、相关结构体和api介绍

2.1 struct kset

2.2 kset_create_and_add

kset_create_and_addkset_createkset_registerkobject_add_internalkobject_add_internal

2.3 kset_unregister

kset_unregisterkobject_delkobject_put

3、实验操作

#include<linux/module.h>
#include<linux/init.h>
#include<linux/kernel.h>
#include<linux/kobject.h>
#include<linux/slab.h>struct kobject *my_kobject01;
struct kobject *my_kobject02;
struct kset *my_kset;
struct kobj_type mytype;static int my_kobject_init(void)
{int ret;my_kset = kset_create_and_add("my_kset",NULL,NULL);my_kobject01 = kzalloc(sizeof(struct kobject),GFP_KERNEL);my_kobject01->kset = my_kset;ret = kobject_init_and_add(my_kobject01,&mytype,NULL,"%s","my_kobject01");my_kobject02 = kzalloc(sizeof(struct kobject),GFP_KERNEL);my_kobject02->kset = my_kset;ret = kobject_init_and_add(my_kobject02,&mytype,NULL,"%s","my_kobject02");return 0;
}static void my_kobject_exit(void)
{kobject_put(my_kobject01);kobject_put(my_kobject02);kset_unregister(my_kset);
}module_init(my_kobject_init);
module_exit(my_kobject_exit);
MODULE_LICENSE("GPL");

//Makefile
obj-m += kset.o
KDIR := /home/johan/share/rk3588/linux_sdk/kernel
PWD ?= $(shell pwd)
all:make -C $(KDIR) M=$(PWD) modulesclean:rm -f *.ko *.o *.mod.o *.mod.c