63 lines
2.4 KiB
C
63 lines
2.4 KiB
C
/*-
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* Copyright (c) 2013 Tycho Nightingale <tycho.nightingale@pluribusnetworks.com>
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* Copyright (c) 2013 Neel Natu <neel@freebsd.org>
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* Copyright (c) 2017 Intel Corporation
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* All rights reserved.
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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 NETAPP, INC ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _VIOAPIC_H_
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#define _VIOAPIC_H_
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#include <apicreg.h>
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#include <vm.h>
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#define VIOAPIC_BASE 0xFEC00000UL
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#define VIOAPIC_SIZE 4096UL
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struct vioapic *vioapic_init(struct vm *vm);
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void vioapic_cleanup(struct vioapic *vioapic);
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void vioapic_reset(struct vioapic *vioapic);
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int vioapic_assert_irq(struct vm *vm, uint32_t irq);
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int vioapic_deassert_irq(struct vm *vm, uint32_t irq);
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int vioapic_pulse_irq(struct vm *vm, uint32_t irq);
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void vioapic_update_tmr(struct vcpu *vcpu);
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void vioapic_mmio_write(struct vm *vm, uint64_t gpa, uint32_t wval);
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void vioapic_mmio_read(struct vm *vm, uint64_t gpa, uint32_t *rval);
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uint8_t vioapic_pincount(struct vm *vm);
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void vioapic_process_eoi(struct vm *vm, uint32_t vector);
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bool vioapic_get_rte(struct vm *vm, uint8_t pin, union ioapic_rte *rte);
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int vioapic_mmio_access_handler(struct vcpu *vcpu, struct mem_io *mmio,
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void *handler_private_data);
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#ifdef HV_DEBUG
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void get_vioapic_info(char *str, int str_max, uint16_t vmid);
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#endif /* HV_DEBUG */
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#endif
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