freebsd-dev/sys/amd64/vmm/io/vpmtmr.h
John Baldwin 9388bc1e3a vmm: Remove vcpuid from I/O port handlers.
No I/O ports are vCPU-specific (unlike memory which does have
vCPU-specific ranges such as the local APIC).

Reviewed by:	corvink, markj
Differential Revision:	https://reviews.freebsd.org/D37163
2022-11-18 10:25:37 -08:00

49 lines
1.8 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2014 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 unmodified, 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 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 _VPMTMR_H_
#define _VPMTMR_H_
#define IO_PMTMR 0x408
struct vpmtmr;
struct vm_snapshot_meta;
struct vpmtmr *vpmtmr_init(struct vm *vm);
void vpmtmr_cleanup(struct vpmtmr *pmtmr);
int vpmtmr_handler(struct vm *vm, bool in, int port, int bytes, uint32_t *val);
#ifdef BHYVE_SNAPSHOT
int vpmtmr_snapshot(struct vpmtmr *vpmtmr, struct vm_snapshot_meta *meta);
#endif
#endif