Skip to Content
Linux Device Drivers Development
book

Linux Device Drivers Development

by John Madieu
October 2017
Intermediate to advanced
586 pages
14h 8m
English
Packt Publishing
Content preview from Linux Device Drivers Development

kobject structure

kobject is the core of the device model, running behind the scenes. It brings an OO-like programming style to the kernel, and is mainly used for reference counting and to expose devices hierarchies and relationships between them. kobjects introduce the concept of encapsulation of common object properties, such as usage reference counts:

struct kobject { 
    const char *name; 
    struct list_head entry; 
    struct kobject *parent; 
    struct kset *kset; 
    struct kobj_type *ktype; 
    struct sysfs_dirent *sd; 
    struct kref kref; 
    /* Fields out of our interest have been removed */ 
}; 
  • name points to the name of this kobject. One can change this using the kobject_set_name(struct kobject *kobj, const char *name) function.
  • parent is a pointer to this ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Linux Device Drivers, Second Edition

Linux Device Drivers, Second Edition

Jonathan Corbet, Alessandro Rubini
Linux Device Drivers, 3rd Edition

Linux Device Drivers, 3rd Edition

Jonathan Corbet, Alessandro Rubini, Greg Kroah-Hartman

Publisher Resources

ISBN: 9781785280009Supplemental Content