/*-
* Copyright (c) 2014 Tycho Nightingale <tycho.nightingale@pluribusnetworks.com>
* 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 ``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.
*/
#ifndef _VATPIC_H_
#define _VATPIC_H_
#include <isa/isareg.h>
#define ICU_IMR_OFFSET 1
#define IO_ELCR1 0x4d0
#define IO_ELCR2 0x4d1
struct vm_snapshot_meta;
struct vatpic *vatpic_init(struct vm *vm);
void vatpic_cleanup(struct vatpic *vatpic);
int vatpic_master_handler(struct vm *vm, bool in, int port, int bytes,
uint32_t *eax);
int vatpic_slave_handler(struct vm *vm, bool in, int port, int bytes,
uint32_t *eax);
int vatpic_elc_handler(struct vm *vm, bool in, int port, int bytes,
uint32_t *eax);
int vatpic_assert_irq(struct vm *vm, int irq);
int vatpic_deassert_irq(struct vm *vm, int irq);
int vatpic_pulse_irq(struct vm *vm, int irq);
int vatpic_set_irq_trigger(struct vm *vm, int irq, enum vm_intr_trigger trigger);
void vatpic_pending_intr(struct vm *vm, int *vecptr);
void vatpic_intr_accepted(struct vm *vm, int vector);
#ifdef BHYVE_SNAPSHOT
int vatpic_snapshot(struct vatpic *vatpic, struct vm_snapshot_meta *meta);
#endif
#endif /* _VATPIC_H_ */
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