ipc_irq_t Struct Reference
[IPC]

Public Member Functions
	SPINLOCK_DECLARE (lock)
Data Fields
answerbox_t *	box
irq_code_t *	code
atomic_t	counter

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Detailed Description

IRQ notification framework

This framework allows applications to register to receive a notification when interrupt is detected. The application may provide a simple 'top-half' handler as part of its registration, which can perform simple operations (read/write port/memory, add information to notification ipc message).

The structure of a notification message is as follows:

• METHOD: interrupt number
• ARG1: payload modified by a 'top-half' handler
• ARG2: payload
• ARG3: payload
• in_phone_hash: interrupt counter (may be needed to assure correct order in multithreaded drivers)

Definition at line 60 of file irq.c.

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Member Function Documentation

SPINLOCK_DECLARE (  lock   )

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Field Documentation

answerbox_t* box

Definition at line 62 of file irq.c. Referenced by ipc_irq_cleanup(), ipc_irq_register(), ipc_irq_unregister(), and send_call().

irq_code_t* code

Definition at line 63 of file irq.c. Referenced by ipc_irq_register(), and ipc_irq_unregister().

atomic_t counter

Definition at line 64 of file irq.c.

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