freebsd-dev/sys/ia64/include/intr.h

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/*-
* Copyright (c) 1998 Doug Rabson
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _MACHINE_INTR_H_
#define _MACHINE_INTR_H_
/*
* Layout of the Processor Interrupt Block.
*/
struct ia64_interrupt_block
{
u_int64_t ib_ipi[0x20000]; /* 1Mb of IPI interrupts */
u_int8_t ib_reserved1[0xe0000];
u_int8_t ib_inta; /* Generate INTA cycle */
u_int8_t ib_reserved2[7];
u_int8_t ib_xtp; /* XTP cycle */
u_int8_t ib_reserved3[7];
u_int8_t ib_reserved4[0x1fff0];
};
extern u_int64_t ia64_lapic_address;
#define IA64_INTERRUPT_BLOCK \
(struct ia64_interrupt_block *)IA64_PHYS_TO_RR6(ia64_lapic_address)
int ia64_setup_intr(const char *name, int irq, driver_filter_t filter,
driver_intr_t handler, void *arg, enum intr_type flags, void **cookiep);
int ia64_teardown_intr(void *cookie);
#endif /* !_MACHINE_INTR_H_ */