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/*-
* Copyright (c) 2007-2010 Marcel Moolenaar
* 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: release/9.1.0/sys/ia64/include/intr.h 205726 2010-03-27 05:40:50Z marcel $
*/
#ifndef _MACHINE_INTR_H_
#define _MACHINE_INTR_H_
#define IA64_NXIVS 256 /* External Interrupt Vectors */
#define IA64_MIN_XIV 16
#define IA64_MAX_HWPRIO 14
struct pcpu;
struct sapic;
struct thread;
struct trapframe;
/*
* Layout of the Processor Interrupt Block.
*/
struct ia64_pib
{
uint64_t ib_ipi[65536][2]; /* 64K-way IPIs (1MB area). */
uint8_t _rsvd1[0xe0000];
uint8_t ib_inta; /* Generate INTA cycle. */
uint8_t _rsvd2[7];
uint8_t ib_xtp; /* External Task Priority. */
uint8_t _rsvd3[7];
uint8_t _rsvd4[0x1fff0];
};
enum ia64_xiv_use {
IA64_XIV_FREE,
IA64_XIV_ARCH, /* Architecturally defined. */
IA64_XIV_PLAT, /* Platform defined. */
IA64_XIV_IPI, /* Used for IPIs. */
IA64_XIV_IRQ /* Used for external interrupts. */
};
typedef u_int (ia64_ihtype)(struct thread *, u_int, struct trapframe *);
extern struct ia64_pib *ia64_pib;
void ia64_bind_intr(void);
void ia64_handle_intr(struct trapframe *);
int ia64_setup_intr(const char *, int, driver_filter_t, driver_intr_t,
void *, enum intr_type, void **);
int ia64_teardown_intr(void *);
void ia64_xiv_init(void);
u_int ia64_xiv_alloc(u_int, enum ia64_xiv_use, ia64_ihtype);
int ia64_xiv_free(u_int, enum ia64_xiv_use);
int ia64_xiv_reserve(u_int, enum ia64_xiv_use, ia64_ihtype);
int sapic_bind_intr(u_int, struct pcpu *);
int sapic_config_intr(u_int, enum intr_trigger, enum intr_polarity);
struct sapic *sapic_create(u_int, u_int, uint64_t);
int sapic_enable(struct sapic *, u_int, u_int);
void sapic_eoi(struct sapic *, u_int);
struct sapic *sapic_lookup(u_int, u_int *);
void sapic_mask(struct sapic *, u_int);
void sapic_unmask(struct sapic *, u_int);
#ifdef DDB
void sapic_print(struct sapic *, u_int);
#endif
#endif /* !_MACHINE_INTR_H_ */