1 /*- 2 * Copyright (c) 2011 NetApp, Inc. 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, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: head/usr.sbin/bhyve/post.c 260206 2014-01-02 21:26:59Z jhb $ 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD: head/usr.sbin/bhyve/post.c 260206 2014-01-02 21:26:59Z jhb $"); 31 32 #include <sys/types.h> 33 34 #include <assert.h> 35 36 #include "inout.h" 37 #include "pci_lpc.h" 38 39 static int 40 post_data_handler(struct vmctx *ctx, int vcpu, int in, int port, int bytes, 41 uint32_t *eax, void *arg) 42 { 43 assert(in == 1); 44 45 if (bytes != 1) 46 return (-1); 47 48 *eax = 0xff; /* return some garbage */ 49 return (0); 50 } 51 52 INOUT_PORT(post, 0x84, IOPORT_F_IN, post_data_handler); 53 SYSRES_IO(0x84, 1); 54