hawxchen/linux-kernel-driver-programming

Implementation of PCI drivers, kprobe, sysfs, devfs, sensor driver, miscdevices, synchronization

I implement these Linux Kernel/Driver programs independently.

• 01_mprobe_and_generanl_driver:

  • A kernel module uses hashtable and synchronization
  • A mprobe module can debug the previous kernel module.
  • Both parts have testing programs and README.

• 02_Concurrent_HC-SR04_miscdeivces:

  • Two HC-SR04 driver instances registered through miscdevice are equipped with two modes of one-shot and periodical sampling. This kernel module can operate two HC-SR04 sensors in the same time.

• 03_Concurrent_HC-SR04_SYSFS_Platform_Drivers:

  • This part exports HC-SR04 module to the SYSFS interface as well as Linux Platform Driver interface within PCI mechnaisms.

• 04_barrier_driver_module:

  • I implemented the Barrier through kernel driver module. This module should be used through open/read/write/close POSIX intferface.

• 05_barrier_system_call:

  • I implemented the Barrier through three system calls.
  • barrier_init(int count, unsigned int* barrier_id)
  • barrier_wait(int barrier_id)
  • barrier_destroy(int barrier_id)
  • For efficient development and quick debugging, I also provide a driver module (04_barrier_driver_module) in same logic of this synchronzation.
  • For system call and driver module, I also support testing programs.