102 lines
3.6 KiB
C
102 lines
3.6 KiB
C
/* $NetBSD: intr.h,v 1.58 2020/07/19 14:27:07 jdolecek Exp $ */
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/* NetBSD intr.h,v 1.15 2004/10/31 10:39:34 yamt Exp */
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/*-
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* Copyright (c) 1998, 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Charles M. Hannum, and by Jason R. Thorpe.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _XEN_INTR_H_
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#define _XEN_INTR_H_
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#include <xen/intrdefs.h>
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#ifndef _LOCORE
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#include <xen/include/public/xen.h>
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#include <xen/include/public/event_channel.h>
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#include <x86/intr.h>
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#include <xen/xen.h>
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#include <xen/hypervisor.h>
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#include <machine/pic.h>
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#include <sys/evcnt.h>
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#include "opt_xen.h"
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struct cpu_info;
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/*
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* Struct describing an event channel.
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*/
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struct evtsource {
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int ev_maxlevel; /* max. IPL for this source */
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uint32_t ev_imask; /* interrupt mask */
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struct intrhand *ev_handlers; /* handler chain */
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struct evcnt ev_evcnt; /* interrupt counter */
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struct cpu_info *ev_cpu; /* cpu on which this event is bound */
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char ev_intrname[INTRIDBUF]; /* interrupt string */
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char ev_xname[INTRDEVNAMEBUF]; /* handler device list */
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struct intrsource *ev_isl; /* entry in intr sources list */
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};
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extern struct intrstub xenev_stubs[];
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extern short irq2port[NR_EVENT_CHANNELS]; /* actually port + 1, so that 0 is invaid */
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#ifdef MULTIPROCESSOR
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int xen_intr_biglock_wrapper(void *);
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#endif
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#if defined(DOM0OPS) || NPCI > 0
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int xen_pic_to_gsi(struct pic *, int);
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int xen_pci_msi_probe(struct pic *, int);
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#endif /* defined(DOM0OPS) || NPCI > 0 */
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#ifdef MULTIPROCESSOR
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void xen_ipi_init(void);
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int xen_send_ipi(struct cpu_info *, uint32_t);
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void xen_broadcast_ipi(uint32_t);
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#else
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#define xen_ipi_init(_1) ((void) 0) /* nothing */
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#define xen_send_ipi(_i1, _i2) (0) /* nothing */
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#define xen_broadcast_ipi(_i1) ((void) 0) /* nothing */
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#endif /* MULTIPROCESSOR */
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void *xen_intr_establish_xname(int, struct pic *, int, int, int, int (*)(void *),
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void *, bool, const char *);
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void *xen_intr_establish(int, struct pic *, int, int, int, int (*)(void *),
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void *, bool);
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void xen_intr_mask(struct intrhand *);
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void xen_intr_unmask(struct intrhand *);
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void xen_intr_disestablish(struct intrhand *);
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struct intrsource *xen_intr_allocate_io_intrsource(const char *);
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void xen_intr_free_io_intrsource(const char *);
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#endif /* !_LOCORE */
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#endif /* _XEN_INTR_H_ */
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