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/* Copyright (c) 1991 NeXT Computer, Inc. All rights reserved.
*
* interruptMsg.h - Interrupt message defintion.
*
* HISTORY
* 04-Apr-91 Doug Mitchell at NeXT
* Created.
*/
#import <mach/message.h>
/*
* Interrupt message sent by kernel to device-specific handler.
*/
typedef struct {
msg_header_t header; /* standard message header */
} IOInterruptMsg;
/*
* Values for IOInterruptMsg.header.
*/
#define IO_INTERRUPT_MSG_ID_BASE 0x232323
#define IO_TIMEOUT_MSG (IO_INTERRUPT_MSG_ID_BASE + 0)
#define IO_COMMAND_MSG (IO_INTERRUPT_MSG_ID_BASE + 1)
/*
* Next 16 reserved for multiple interrupt sources per device.
*/
#define IO_DEVICE_INTERRUPT_MSG (IO_INTERRUPT_MSG_ID_BASE + 2)
#define IO_DEVICE_INTERRUPT_MSG_FIRST (IO_DEVICE_INTERRUPT_MSG)
#define IO_DEVICE_INTERRUPT_MSG_LAST (IO_DEVICE_INTERRUPT_MSG_FIRST + 15)
#define IO_DMA_INTERRUPT_MSG (IO_DEVICE_INTERRUPT_MSG_LAST + 1)
#define IO_FIRST_UNRESERVED_INTERRUPT_MSG \
(IO_DMA_INTERRUPT_MSG + 1)
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