6 OSKit Device Driver (OS Environment) Framework

 

• 6.1 Introduction
  • 6.1.1 Full versus partial compliance
• 6.2 Organization
• 6.3 Driver Sets
• 6.4 Execution Model
  • 6.4.1 Use in out-of-kernel, user-mode device drivers
• 6.5 Performance
• 6.6 Device Driver Initialization
• 6.7 Device Classification
• 6.8 Buffer Management
• 6.9 Asynchronous I/O
• 6.10 Other Considerations
• 6.11 Common Device Driver Interface
  • 6.11.1 dev.h: common device driver framework definitions
• 6.12 Driver Memory Allocation
  • 6.12.1 osenv_memflags_t: memory allocation flags
  • 6.12.2 osenv_mem_alloc: allocate memory for use by device drivers
  • 6.12.3 osenv_mem_free: free memory allocated with osenv_mem_alloc
  • 6.12.4 osenv_mem_get_phys: find the physical address of an allocated block
  • 6.12.5 osenv_mem_get_virt: find the virtual address of an allocated block
  • 6.12.6 osenv_mem_phys_max: find the largest physical memory address
  • 6.12.7 osenv_mem_map_phys: map physical memory into kernel virtual memory
• 6.13 DMA
  • 6.13.1 osenv_isadma_alloc: Reserve a DMA channel
  • 6.13.2 osenv_isadma_free: Release a DMA channel
• 6.14 I/O Ports
  • 6.14.1 osenv_io_avail: Check availability of a range of ports
  • 6.14.2 osenv_io_alloc: Allocate a range of ports
  • 6.14.3 osenv_io_free: Release a range of ports
• 6.15 Hardware Interrupts
  • 6.15.1 osenv_intr_disable: prevent interrupts in the driver environment
  • 6.15.2 osenv_intr_enable: allow interrupts in the driver environment
  • 6.15.3 osenv_intr_enabled: determine the current interrupt enable state
  • 6.15.4 osenv_irq_alloc: allocate an interrupt request line
  • 6.15.5 osenv_irq_free: Unregister the handler for the interrupt
  • 6.15.6 osenv_irq_disable: Disable a single interrupt line
  • 6.15.7 osenv_irq_enable: Enable a single interrupt line
  • 6.15.8 osenv_irq_pending: Determine if an interrupt is pending for a single line
• 6.16 Sleep/Wakeup
  • 6.16.1 osenv_sleep_init: prepare to put the current process to sleep
  • 6.16.2 osenv_sleep: put the current process to sleep
  • 6.16.3 osenv_wakeup: wake up a sleeping process
• 6.17 Driver-Kernel Interface: Timing
  • 6.17.1 osenv_timer_init: Initialize the timer support code
  • 6.17.2 osenv_timer_register: Request a timer handler be called at the specified frequency
  • 6.17.3 osenv_timer_unregister: Request a timer handler not be called
  • 6.17.4 osenv_timer_spin: Wait for a specified amount of time without blocking.
• 6.18 Misc
  • 6.18.1 osenv_vlog: OS environment's output routine
  • 6.18.2 osenv_log: OS environment's output routine
  • 6.18.3 osenv_vpanic: Abort driver set operation
  • 6.18.4 osenv_panic: Abort driver set operation
• 6.19 Device Registration
• 6.20 Block Storage Device Interfaces
• 6.21 Serial Device Interfaces
• Driver-Kernel Interface: (X86 PC) ISA device registration
  • 6.22.1 osenv_isabus_addchild: add a device node to an ISA bus
  • 6.22.2 osenv_isabus_remchild: remove a device node from an ISA bus