2 * Copyright (c) 2011 NetApp, Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
32 #include <sys/types.h>
33 #include <sys/select.h>
43 #define BVM_CONSOLE_PORT 0x220
44 #define BVM_CONS_SIG ('b' << 8 | 'v')
46 static struct termios tio_orig, tio_new;
51 tcsetattr(STDIN_FILENO, TCSANOW, &tio_orig);
57 tcgetattr(STDIN_FILENO, &tio_orig);
60 tcsetattr(STDIN_FILENO, TCSANOW, &tio_new);
66 tty_char_available(void)
72 FD_SET(STDIN_FILENO, &rfds);
75 if (select(STDIN_FILENO + 1, &rfds, NULL, NULL, &tv) > 0) {
87 if (tty_char_available()) {
88 read(STDIN_FILENO, &rb, 1);
96 ttywrite(unsigned char wb)
98 (void) write(STDOUT_FILENO, &wb, 1);
102 console_handler(struct vmctx *ctx, int vcpu, int in, int port, int bytes,
103 uint32_t *eax, void *arg)
107 if (bytes == 2 && in) {
128 static struct inout_port consport = {
140 register_inout(&consport);