2 * Copyright (c) 2014 Tycho Nightingale <tycho.nightingale@pluribusnetworks.com>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #include <isa/isareg.h>
34 #define ICU_IMR_OFFSET 1
36 #define IO_ELCR1 0x4d0
37 #define IO_ELCR2 0x4d1
39 struct vatpic *vatpic_init(struct vm *vm);
40 void vatpic_cleanup(struct vatpic *vatpic);
42 int vatpic_master_handler(struct vm *vm, int vcpuid, bool in, int port,
43 int bytes, uint32_t *eax);
44 int vatpic_slave_handler(struct vm *vm, int vcpuid, bool in, int port,
45 int bytes, uint32_t *eax);
46 int vatpic_elc_handler(struct vm *vm, int vcpuid, bool in, int port, int bytes,
49 int vatpic_assert_irq(struct vm *vm, int irq);
50 int vatpic_deassert_irq(struct vm *vm, int irq);
51 int vatpic_pulse_irq(struct vm *vm, int irq);
52 int vatpic_set_irq_trigger(struct vm *vm, int irq, enum vm_intr_trigger trigger);
54 void vatpic_pending_intr(struct vm *vm, int *vecptr);
55 void vatpic_intr_accepted(struct vm *vm, int vector);
57 #endif /* _VATPIC_H_ */