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LINUX DRIVER WRITING
| Course Description |
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This course provides a general introduction to Linux device driver development. Students gain a clear practical understanding of the way drivers are designed, interfaced with the kernel, implemented, and tested.
Course Length: 3 Days
Course Tuition: $990 (US)
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| Prerequisites |
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| Linux Internals is recommended. Strong C programming skills and intermediate knowledge of UNIX/Linux shell commands are required. Experience with the data structures and basic functions used in the Linux kernel is necessary. Proficiency at configuring and installing a new Linux kernel on a system is assumed. |
• Introduction to Linux Driver Development
Introduction and environmental setup
Kernel versions and compatibility
Components of the Kernel
Aims of driver development
Steps associated with the development of a driver
How device drivers work
Stability and security issues
• Device Drivers
Elements of a driver
Benefits and drawbacks
Classes of drivers
• Linux Kernel Facilities
System calls
Data structures
Functions
• Modules
Benefits of using modules
Module-related tools
Compiling, loading, and unloading
Module implementation
Automatic module loading
• Character Devices
Accessing the device
File and inode structure
File operations
Reading and writing
IOCTLs
Example of a character device
• Hardware Aspects
Accessing memory
Direct Memory Access
I/O Management
PCI and ISA
• Block Drivers
Registration
The blk.h header
Requests and Mounting
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• Networks
Layer model
Network communications
Implementation of the TCP/IP stack
Data structures
Socket
sk_buff
Inet socket
proto
ARP and IP Protocols
IP Filters
UDP and TCP
• Network Devices
Integration in the kernel
Ethernet Devices
SLIP and PPP
Loopback
Dummy devices
Loading network drivers
Transmitting and receiving packets
Device configuration
Statistics
• SCSI Subsystem
Architecture overview
Names and conventions
Upper level
Block devices (hard disks, CD-ROM)
Character devices (Tape)
Generic drivers
Mid level (boot parameters, proc interface)
Lower (hardware) level and pseudo drivers
• Device Drivers Debugging
Printing with printk
Queries
/proc entries
Tracing and debuggers
Download a detailed course outline (PDF)
Contact us for course schedules or more
information.
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