1276428Sneel/*- 2336190Saraujo * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3336190Saraujo * 4276428Sneel * Copyright (c) 2014 Neel Natu (neel@freebsd.org) 5276428Sneel * All rights reserved. 6276428Sneel * 7276428Sneel * Redistribution and use in source and binary forms, with or without 8276428Sneel * modification, are permitted provided that the following conditions 9276428Sneel * are met: 10276428Sneel * 1. Redistributions of source code must retain the above copyright 11276428Sneel * notice unmodified, this list of conditions, and the following 12276428Sneel * disclaimer. 13276428Sneel * 2. Redistributions in binary form must reproduce the above copyright 14276428Sneel * notice, this list of conditions and the following disclaimer in the 15276428Sneel * documentation and/or other materials provided with the distribution. 16276428Sneel * 17276428Sneel * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18276428Sneel * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19276428Sneel * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20276428Sneel * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21276428Sneel * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22276428Sneel * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23276428Sneel * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24276428Sneel * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25276428Sneel * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26276428Sneel * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27276428Sneel * 28276428Sneel * $FreeBSD: stable/11/sys/amd64/vmm/io/vrtc.h 336190 2018-07-11 07:19:42Z araujo $ 29276428Sneel */ 30276428Sneel 31276428Sneel#ifndef _VRTC_H_ 32276428Sneel#define _VRTC_H_ 33276428Sneel 34276428Sneel#include <isa/isareg.h> 35276428Sneel 36276428Sneelstruct vrtc; 37276428Sneel 38276428Sneelstruct vrtc *vrtc_init(struct vm *vm); 39276428Sneelvoid vrtc_cleanup(struct vrtc *vrtc); 40276428Sneelvoid vrtc_reset(struct vrtc *vrtc); 41276428Sneel 42276428Sneeltime_t vrtc_get_time(struct vm *vm); 43276428Sneelint vrtc_set_time(struct vm *vm, time_t secs); 44276428Sneelint vrtc_nvram_write(struct vm *vm, int offset, uint8_t value); 45276428Sneelint vrtc_nvram_read(struct vm *vm, int offset, uint8_t *retval); 46276428Sneel 47276428Sneelint vrtc_addr_handler(struct vm *vm, int vcpuid, bool in, int port, int bytes, 48276428Sneel uint32_t *val); 49276428Sneelint vrtc_data_handler(struct vm *vm, int vcpuid, bool in, int port, int bytes, 50276428Sneel uint32_t *val); 51276428Sneel 52276428Sneel#endif 53