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Diffstat (limited to 'sys/amd64/vmm/io/vatpic.h')
-rw-r--r-- | sys/amd64/vmm/io/vatpic.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/sys/amd64/vmm/io/vatpic.h b/sys/amd64/vmm/io/vatpic.h new file mode 100644 index 0000000..d4d6b26c --- /dev/null +++ b/sys/amd64/vmm/io/vatpic.h @@ -0,0 +1,56 @@ +/*- + * 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. + * + * $FreeBSD$ + */ + +#ifndef _VATPIC_H_ +#define _VATPIC_H_ + +#include <isa/isareg.h> + +#define ICU_IMR_OFFSET 1 + +#define IO_ELCR1 0x4d0 +#define IO_ELCR2 0x4d1 + +struct vatpic *vatpic_init(struct vm *vm); +void vatpic_cleanup(struct vatpic *vatpic); + +int vatpic_master_handler(void *vm, int vcpuid, bool in, int port, int bytes, + uint32_t *eax); +int vatpic_slave_handler(void *vm, int vcpuid, bool in, int port, int bytes, + uint32_t *eax); +int vatpic_elc_handler(void *vm, int vcpuid, 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); + +void vatpic_pending_intr(struct vm *vm, int *vecptr); +void vatpic_intr_accepted(struct vm *vm, int vector); + +#endif /* _VATPIC_H_ */ |