diff options
Diffstat (limited to 'sys/amd64/vmm/io/vioapic.h')
| -rw-r--r-- | sys/amd64/vmm/io/vioapic.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/sys/amd64/vmm/io/vioapic.h b/sys/amd64/vmm/io/vioapic.h new file mode 100644 index 000000000000..ac05d95357ff --- /dev/null +++ b/sys/amd64/vmm/io/vioapic.h @@ -0,0 +1,60 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2013 Tycho Nightingale <tycho.nightingale@pluribusnetworks.com> + * Copyright (c) 2013 Neel Natu <neel@freebsd.org> + * 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 NETAPP, INC ``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 NETAPP, INC 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 _VIOAPIC_H_ +#define _VIOAPIC_H_ + +#define VIOAPIC_BASE 0xFEC00000 +#define VIOAPIC_SIZE 4096 + +#ifdef _KERNEL +struct vm_snapshot_meta; + +struct vioapic *vioapic_init(struct vm *vm); +void vioapic_cleanup(struct vioapic *vioapic); + +int vioapic_assert_irq(struct vm *vm, int irq); +int vioapic_deassert_irq(struct vm *vm, int irq); +int vioapic_pulse_irq(struct vm *vm, int irq); + +int vioapic_mmio_write(struct vcpu *vcpu, uint64_t gpa, + uint64_t wval, int size, void *arg); +int vioapic_mmio_read(struct vcpu *vcpu, uint64_t gpa, + uint64_t *rval, int size, void *arg); + +int vioapic_pincount(struct vm *vm); +void vioapic_process_eoi(struct vm *vm, int vector); +#ifdef BHYVE_SNAPSHOT +int vioapic_snapshot(struct vioapic *vioapic, + struct vm_snapshot_meta *meta); +#endif + +#endif /* _KERNEL */ + +#endif /* _VIOAPIC_H_ */ |