1 /*- 2 * Copyright (c) 2014 Neel Natu (neel@freebsd.org) 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice unmodified, this list of conditions, and the following 10 * disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #ifndef _RTC_H_ 30 #define _RTC_H_ 31 32 #include "types.h" 33 34 #define IO_RTC 0x070 /* RTC */ 35 36 #define RTC_LMEM_LSB 0x34 37 #define RTC_LMEM_MSB 0x35 38 #define RTC_HMEM_LSB 0x5b 39 #define RTC_HMEM_SB 0x5c 40 #define RTC_HMEM_MSB 0x5d 41 42 struct vrtc; 43 struct vmctx; 44 45 int vrtc_init(struct vmctx *ctx); 46 void vrtc_suspend(struct vmctx *ctx); 47 void vrtc_enable_localtime(int l_time); 48 void vrtc_deinit(struct vmctx *ctx); 49 int vrtc_set_time(struct vrtc *vrtc, time_t secs); 50 int vrtc_nvram_write(struct vrtc *vrtc, int offset, uint8_t value); 51 int vrtc_addr_handler(struct vmctx *ctx, int vcpu, int in, int port, 52 int bytes, uint32_t *eax, void *arg); 53 int vrtc_data_handler(struct vmctx *ctx, int vcpu, int in, int port, 54 int bytes, uint32_t *eax, void *arg); 55 56 #endif 57