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1 | 6f97dba0 | aliguori | /*
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2 | 6f97dba0 | aliguori | * QEMU System Emulator
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3 | 6f97dba0 | aliguori | *
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4 | 6f97dba0 | aliguori | * Copyright (c) 2003-2008 Fabrice Bellard
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5 | 6f97dba0 | aliguori | *
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6 | 6f97dba0 | aliguori | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | 6f97dba0 | aliguori | * of this software and associated documentation files (the "Software"), to deal
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8 | 6f97dba0 | aliguori | * in the Software without restriction, including without limitation the rights
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9 | 6f97dba0 | aliguori | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | 6f97dba0 | aliguori | * copies of the Software, and to permit persons to whom the Software is
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11 | 6f97dba0 | aliguori | * furnished to do so, subject to the following conditions:
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12 | 6f97dba0 | aliguori | *
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13 | 6f97dba0 | aliguori | * The above copyright notice and this permission notice shall be included in
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14 | 6f97dba0 | aliguori | * all copies or substantial portions of the Software.
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15 | 6f97dba0 | aliguori | *
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16 | 6f97dba0 | aliguori | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | 6f97dba0 | aliguori | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | 6f97dba0 | aliguori | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | 6f97dba0 | aliguori | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | 6f97dba0 | aliguori | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | 6f97dba0 | aliguori | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | 6f97dba0 | aliguori | * THE SOFTWARE.
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23 | 6f97dba0 | aliguori | */
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24 | 6f97dba0 | aliguori | #include "qemu-common.h" |
25 | 83c9089e | Paolo Bonzini | #include "monitor/monitor.h" |
26 | 28ecbaee | Paolo Bonzini | #include "ui/console.h" |
27 | 9c17d615 | Paolo Bonzini | #include "sysemu/sysemu.h" |
28 | 1de7afc9 | Paolo Bonzini | #include "qemu/timer.h" |
29 | 927d4878 | Paolo Bonzini | #include "char/char.h" |
30 | cf3ebac7 | aurel32 | #include "hw/usb.h" |
31 | cf3ebac7 | aurel32 | #include "hw/baum.h" |
32 | aa71cf80 | aurel32 | #include "hw/msmouse.h" |
33 | c5a415a0 | Luiz Capitulino | #include "qmp-commands.h" |
34 | 6f97dba0 | aliguori | |
35 | 6f97dba0 | aliguori | #include <unistd.h> |
36 | 6f97dba0 | aliguori | #include <fcntl.h> |
37 | 6f97dba0 | aliguori | #include <time.h> |
38 | 6f97dba0 | aliguori | #include <errno.h> |
39 | 6f97dba0 | aliguori | #include <sys/time.h> |
40 | 6f97dba0 | aliguori | #include <zlib.h> |
41 | 6f97dba0 | aliguori | |
42 | 6f97dba0 | aliguori | #ifndef _WIN32
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43 | 6f97dba0 | aliguori | #include <sys/times.h> |
44 | 6f97dba0 | aliguori | #include <sys/wait.h> |
45 | 6f97dba0 | aliguori | #include <termios.h> |
46 | 6f97dba0 | aliguori | #include <sys/mman.h> |
47 | 6f97dba0 | aliguori | #include <sys/ioctl.h> |
48 | 24646c7e | blueswir1 | #include <sys/resource.h> |
49 | 6f97dba0 | aliguori | #include <sys/socket.h> |
50 | 6f97dba0 | aliguori | #include <netinet/in.h> |
51 | 24646c7e | blueswir1 | #include <net/if.h> |
52 | 24646c7e | blueswir1 | #include <arpa/inet.h> |
53 | 6f97dba0 | aliguori | #include <dirent.h> |
54 | 6f97dba0 | aliguori | #include <netdb.h> |
55 | 6f97dba0 | aliguori | #include <sys/select.h> |
56 | 71e72a19 | Juan Quintela | #ifdef CONFIG_BSD
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57 | 6f97dba0 | aliguori | #include <sys/stat.h> |
58 | a167ba50 | Aurelien Jarno | #if defined(__GLIBC__)
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59 | a167ba50 | Aurelien Jarno | #include <pty.h> |
60 | 3294ce18 | Michael Tokarev | #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
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61 | 3294ce18 | Michael Tokarev | #include <libutil.h> |
62 | 3294ce18 | Michael Tokarev | #else
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63 | 3294ce18 | Michael Tokarev | #include <util.h> |
64 | a167ba50 | Aurelien Jarno | #endif
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65 | 3294ce18 | Michael Tokarev | #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
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66 | 3294ce18 | Michael Tokarev | #include <dev/ppbus/ppi.h> |
67 | 3294ce18 | Michael Tokarev | #include <dev/ppbus/ppbconf.h> |
68 | c5e97233 | blueswir1 | #elif defined(__DragonFly__)
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69 | c5e97233 | blueswir1 | #include <dev/misc/ppi/ppi.h> |
70 | c5e97233 | blueswir1 | #include <bus/ppbus/ppbconf.h> |
71 | 6f97dba0 | aliguori | #endif
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72 | bbe813a2 | Aurelien Jarno | #else
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73 | 6f97dba0 | aliguori | #ifdef __linux__
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74 | 6f97dba0 | aliguori | #include <pty.h> |
75 | 6f97dba0 | aliguori | |
76 | 6f97dba0 | aliguori | #include <linux/ppdev.h> |
77 | 6f97dba0 | aliguori | #include <linux/parport.h> |
78 | 6f97dba0 | aliguori | #endif
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79 | 6f97dba0 | aliguori | #ifdef __sun__
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80 | 6f97dba0 | aliguori | #include <sys/stat.h> |
81 | 6f97dba0 | aliguori | #include <sys/ethernet.h> |
82 | 6f97dba0 | aliguori | #include <sys/sockio.h> |
83 | 6f97dba0 | aliguori | #include <netinet/arp.h> |
84 | 6f97dba0 | aliguori | #include <netinet/in.h> |
85 | 6f97dba0 | aliguori | #include <netinet/in_systm.h> |
86 | 6f97dba0 | aliguori | #include <netinet/ip.h> |
87 | 6f97dba0 | aliguori | #include <netinet/ip_icmp.h> // must come after ip.h |
88 | 6f97dba0 | aliguori | #include <netinet/udp.h> |
89 | 6f97dba0 | aliguori | #include <netinet/tcp.h> |
90 | 6f97dba0 | aliguori | #include <net/if.h> |
91 | 6f97dba0 | aliguori | #include <syslog.h> |
92 | 6f97dba0 | aliguori | #include <stropts.h> |
93 | 6f97dba0 | aliguori | #endif
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94 | 6f97dba0 | aliguori | #endif
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95 | 6f97dba0 | aliguori | #endif
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96 | 6f97dba0 | aliguori | |
97 | 1de7afc9 | Paolo Bonzini | #include "qemu/sockets.h" |
98 | cbcc6336 | Alon Levy | #include "ui/qemu-spice.h" |
99 | 6f97dba0 | aliguori | |
100 | 9bd7854e | Amit Shah | #define READ_BUF_LEN 4096 |
101 | 51767e7c | Lei Li | #define CBUFF_SIZE 65536 |
102 | 9bd7854e | Amit Shah | |
103 | 6f97dba0 | aliguori | /***********************************************************/
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104 | 6f97dba0 | aliguori | /* character device */
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105 | 6f97dba0 | aliguori | |
106 | 72cf2d4f | Blue Swirl | static QTAILQ_HEAD(CharDriverStateHead, CharDriverState) chardevs =
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107 | 72cf2d4f | Blue Swirl | QTAILQ_HEAD_INITIALIZER(chardevs); |
108 | 2970a6c9 | aliguori | |
109 | a425d23f | Hans de Goede | void qemu_chr_be_event(CharDriverState *s, int event) |
110 | 6f97dba0 | aliguori | { |
111 | 73cdf3f2 | Alexander Graf | /* Keep track if the char device is open */
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112 | 73cdf3f2 | Alexander Graf | switch (event) {
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113 | 73cdf3f2 | Alexander Graf | case CHR_EVENT_OPENED:
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114 | 73cdf3f2 | Alexander Graf | s->opened = 1;
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115 | 73cdf3f2 | Alexander Graf | break;
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116 | 73cdf3f2 | Alexander Graf | case CHR_EVENT_CLOSED:
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117 | 73cdf3f2 | Alexander Graf | s->opened = 0;
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118 | 73cdf3f2 | Alexander Graf | break;
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119 | 73cdf3f2 | Alexander Graf | } |
120 | 73cdf3f2 | Alexander Graf | |
121 | 6f97dba0 | aliguori | if (!s->chr_event)
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122 | 6f97dba0 | aliguori | return;
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123 | 6f97dba0 | aliguori | s->chr_event(s->handler_opaque, event); |
124 | 6f97dba0 | aliguori | } |
125 | 6f97dba0 | aliguori | |
126 | ac4119c0 | Jan Kiszka | static void qemu_chr_fire_open_event(void *opaque) |
127 | 6f97dba0 | aliguori | { |
128 | 6f97dba0 | aliguori | CharDriverState *s = opaque; |
129 | a425d23f | Hans de Goede | qemu_chr_be_event(s, CHR_EVENT_OPENED); |
130 | ac4119c0 | Jan Kiszka | qemu_free_timer(s->open_timer); |
131 | ac4119c0 | Jan Kiszka | s->open_timer = NULL;
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132 | 6f97dba0 | aliguori | } |
133 | 6f97dba0 | aliguori | |
134 | 127338e6 | Amit Shah | void qemu_chr_generic_open(CharDriverState *s)
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135 | 6f97dba0 | aliguori | { |
136 | ac4119c0 | Jan Kiszka | if (s->open_timer == NULL) { |
137 | 06dec083 | Jan Kiszka | s->open_timer = qemu_new_timer_ms(rt_clock, |
138 | ac4119c0 | Jan Kiszka | qemu_chr_fire_open_event, s); |
139 | 06dec083 | Jan Kiszka | qemu_mod_timer(s->open_timer, qemu_get_clock_ms(rt_clock) - 1);
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140 | 6f97dba0 | aliguori | } |
141 | 6f97dba0 | aliguori | } |
142 | 6f97dba0 | aliguori | |
143 | 2cc6e0a1 | Anthony Liguori | int qemu_chr_fe_write(CharDriverState *s, const uint8_t *buf, int len) |
144 | 6f97dba0 | aliguori | { |
145 | 6f97dba0 | aliguori | return s->chr_write(s, buf, len);
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146 | 6f97dba0 | aliguori | } |
147 | 6f97dba0 | aliguori | |
148 | 41084f1b | Anthony Liguori | int qemu_chr_fe_ioctl(CharDriverState *s, int cmd, void *arg) |
149 | 6f97dba0 | aliguori | { |
150 | 6f97dba0 | aliguori | if (!s->chr_ioctl)
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151 | 6f97dba0 | aliguori | return -ENOTSUP;
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152 | 6f97dba0 | aliguori | return s->chr_ioctl(s, cmd, arg);
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153 | 6f97dba0 | aliguori | } |
154 | 6f97dba0 | aliguori | |
155 | 909cda12 | Anthony Liguori | int qemu_chr_be_can_write(CharDriverState *s)
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156 | 6f97dba0 | aliguori | { |
157 | 6f97dba0 | aliguori | if (!s->chr_can_read)
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158 | 6f97dba0 | aliguori | return 0; |
159 | 6f97dba0 | aliguori | return s->chr_can_read(s->handler_opaque);
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160 | 6f97dba0 | aliguori | } |
161 | 6f97dba0 | aliguori | |
162 | fa5efccb | Anthony Liguori | void qemu_chr_be_write(CharDriverState *s, uint8_t *buf, int len) |
163 | 6f97dba0 | aliguori | { |
164 | ac310734 | Stefan Weil | if (s->chr_read) {
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165 | ac310734 | Stefan Weil | s->chr_read(s->handler_opaque, buf, len); |
166 | ac310734 | Stefan Weil | } |
167 | 6f97dba0 | aliguori | } |
168 | 6f97dba0 | aliguori | |
169 | 74c0d6f0 | Anthony Liguori | int qemu_chr_fe_get_msgfd(CharDriverState *s)
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170 | 7d174059 | Mark McLoughlin | { |
171 | 7d174059 | Mark McLoughlin | return s->get_msgfd ? s->get_msgfd(s) : -1; |
172 | 7d174059 | Mark McLoughlin | } |
173 | 7d174059 | Mark McLoughlin | |
174 | 13661089 | Daniel P. Berrange | int qemu_chr_add_client(CharDriverState *s, int fd) |
175 | 13661089 | Daniel P. Berrange | { |
176 | 13661089 | Daniel P. Berrange | return s->chr_add_client ? s->chr_add_client(s, fd) : -1; |
177 | 13661089 | Daniel P. Berrange | } |
178 | 13661089 | Daniel P. Berrange | |
179 | 6f97dba0 | aliguori | void qemu_chr_accept_input(CharDriverState *s)
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180 | 6f97dba0 | aliguori | { |
181 | 6f97dba0 | aliguori | if (s->chr_accept_input)
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182 | 6f97dba0 | aliguori | s->chr_accept_input(s); |
183 | 98c8ee1d | Jan Kiszka | qemu_notify_event(); |
184 | 6f97dba0 | aliguori | } |
185 | 6f97dba0 | aliguori | |
186 | e7e71b0e | Anthony Liguori | void qemu_chr_fe_printf(CharDriverState *s, const char *fmt, ...) |
187 | 6f97dba0 | aliguori | { |
188 | 9bd7854e | Amit Shah | char buf[READ_BUF_LEN];
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189 | 6f97dba0 | aliguori | va_list ap; |
190 | 6f97dba0 | aliguori | va_start(ap, fmt); |
191 | 6f97dba0 | aliguori | vsnprintf(buf, sizeof(buf), fmt, ap);
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192 | 2cc6e0a1 | Anthony Liguori | qemu_chr_fe_write(s, (uint8_t *)buf, strlen(buf)); |
193 | 6f97dba0 | aliguori | va_end(ap); |
194 | 6f97dba0 | aliguori | } |
195 | 6f97dba0 | aliguori | |
196 | 6f97dba0 | aliguori | void qemu_chr_add_handlers(CharDriverState *s,
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197 | 7b27a769 | Juan Quintela | IOCanReadHandler *fd_can_read, |
198 | 6f97dba0 | aliguori | IOReadHandler *fd_read, |
199 | 6f97dba0 | aliguori | IOEventHandler *fd_event, |
200 | 6f97dba0 | aliguori | void *opaque)
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201 | 6f97dba0 | aliguori | { |
202 | da7d998b | Amit Shah | if (!opaque && !fd_can_read && !fd_read && !fd_event) {
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203 | 2d6c1ef4 | Amit Shah | /* chr driver being released. */
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204 | d5b27167 | Kusanagi Kouichi | ++s->avail_connections; |
205 | 2d6c1ef4 | Amit Shah | } |
206 | 6f97dba0 | aliguori | s->chr_can_read = fd_can_read; |
207 | 6f97dba0 | aliguori | s->chr_read = fd_read; |
208 | 6f97dba0 | aliguori | s->chr_event = fd_event; |
209 | 6f97dba0 | aliguori | s->handler_opaque = opaque; |
210 | 6f97dba0 | aliguori | if (s->chr_update_read_handler)
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211 | 6f97dba0 | aliguori | s->chr_update_read_handler(s); |
212 | 73cdf3f2 | Alexander Graf | |
213 | 73cdf3f2 | Alexander Graf | /* We're connecting to an already opened device, so let's make sure we
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214 | 73cdf3f2 | Alexander Graf | also get the open event */
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215 | 73cdf3f2 | Alexander Graf | if (s->opened) {
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216 | 73cdf3f2 | Alexander Graf | qemu_chr_generic_open(s); |
217 | 73cdf3f2 | Alexander Graf | } |
218 | 6f97dba0 | aliguori | } |
219 | 6f97dba0 | aliguori | |
220 | 6f97dba0 | aliguori | static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
221 | 6f97dba0 | aliguori | { |
222 | 6f97dba0 | aliguori | return len;
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223 | 6f97dba0 | aliguori | } |
224 | 6f97dba0 | aliguori | |
225 | 1f51470d | Markus Armbruster | static CharDriverState *qemu_chr_open_null(QemuOpts *opts)
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226 | 6f97dba0 | aliguori | { |
227 | 6f97dba0 | aliguori | CharDriverState *chr; |
228 | 6f97dba0 | aliguori | |
229 | 7267c094 | Anthony Liguori | chr = g_malloc0(sizeof(CharDriverState));
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230 | 6f97dba0 | aliguori | chr->chr_write = null_chr_write; |
231 | 1f51470d | Markus Armbruster | return chr;
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232 | 6f97dba0 | aliguori | } |
233 | 6f97dba0 | aliguori | |
234 | 6f97dba0 | aliguori | /* MUX driver for serial I/O splitting */
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235 | 6f97dba0 | aliguori | #define MAX_MUX 4 |
236 | 6f97dba0 | aliguori | #define MUX_BUFFER_SIZE 32 /* Must be a power of 2. */ |
237 | 6f97dba0 | aliguori | #define MUX_BUFFER_MASK (MUX_BUFFER_SIZE - 1) |
238 | 6f97dba0 | aliguori | typedef struct { |
239 | 7b27a769 | Juan Quintela | IOCanReadHandler *chr_can_read[MAX_MUX]; |
240 | 6f97dba0 | aliguori | IOReadHandler *chr_read[MAX_MUX]; |
241 | 6f97dba0 | aliguori | IOEventHandler *chr_event[MAX_MUX]; |
242 | 6f97dba0 | aliguori | void *ext_opaque[MAX_MUX];
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243 | 6f97dba0 | aliguori | CharDriverState *drv; |
244 | 799f1f23 | Gerd Hoffmann | int focus;
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245 | 6f97dba0 | aliguori | int mux_cnt;
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246 | 6f97dba0 | aliguori | int term_got_escape;
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247 | 6f97dba0 | aliguori | int max_size;
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248 | a80bf99f | aliguori | /* Intermediate input buffer allows to catch escape sequences even if the
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249 | a80bf99f | aliguori | currently active device is not accepting any input - but only until it
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250 | a80bf99f | aliguori | is full as well. */
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251 | a80bf99f | aliguori | unsigned char buffer[MAX_MUX][MUX_BUFFER_SIZE]; |
252 | a80bf99f | aliguori | int prod[MAX_MUX];
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253 | a80bf99f | aliguori | int cons[MAX_MUX];
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254 | 2d22959d | Jan Kiszka | int timestamps;
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255 | 4ab312f7 | Jan Kiszka | int linestart;
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256 | 2d22959d | Jan Kiszka | int64_t timestamps_start; |
257 | 6f97dba0 | aliguori | } MuxDriver; |
258 | 6f97dba0 | aliguori | |
259 | 6f97dba0 | aliguori | |
260 | 6f97dba0 | aliguori | static int mux_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
261 | 6f97dba0 | aliguori | { |
262 | 6f97dba0 | aliguori | MuxDriver *d = chr->opaque; |
263 | 6f97dba0 | aliguori | int ret;
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264 | 2d22959d | Jan Kiszka | if (!d->timestamps) {
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265 | 6f97dba0 | aliguori | ret = d->drv->chr_write(d->drv, buf, len); |
266 | 6f97dba0 | aliguori | } else {
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267 | 6f97dba0 | aliguori | int i;
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268 | 6f97dba0 | aliguori | |
269 | 6f97dba0 | aliguori | ret = 0;
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270 | 4ab312f7 | Jan Kiszka | for (i = 0; i < len; i++) { |
271 | 4ab312f7 | Jan Kiszka | if (d->linestart) {
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272 | 6f97dba0 | aliguori | char buf1[64]; |
273 | 6f97dba0 | aliguori | int64_t ti; |
274 | 6f97dba0 | aliguori | int secs;
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275 | 6f97dba0 | aliguori | |
276 | 7bd427d8 | Paolo Bonzini | ti = qemu_get_clock_ms(rt_clock); |
277 | 2d22959d | Jan Kiszka | if (d->timestamps_start == -1) |
278 | 2d22959d | Jan Kiszka | d->timestamps_start = ti; |
279 | 2d22959d | Jan Kiszka | ti -= d->timestamps_start; |
280 | a4bb1db8 | aliguori | secs = ti / 1000;
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281 | 6f97dba0 | aliguori | snprintf(buf1, sizeof(buf1),
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282 | 6f97dba0 | aliguori | "[%02d:%02d:%02d.%03d] ",
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283 | 6f97dba0 | aliguori | secs / 3600,
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284 | 6f97dba0 | aliguori | (secs / 60) % 60, |
285 | 6f97dba0 | aliguori | secs % 60,
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286 | a4bb1db8 | aliguori | (int)(ti % 1000)); |
287 | 6f97dba0 | aliguori | d->drv->chr_write(d->drv, (uint8_t *)buf1, strlen(buf1)); |
288 | 4ab312f7 | Jan Kiszka | d->linestart = 0;
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289 | 4ab312f7 | Jan Kiszka | } |
290 | 4ab312f7 | Jan Kiszka | ret += d->drv->chr_write(d->drv, buf+i, 1);
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291 | 4ab312f7 | Jan Kiszka | if (buf[i] == '\n') { |
292 | 4ab312f7 | Jan Kiszka | d->linestart = 1;
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293 | 6f97dba0 | aliguori | } |
294 | 6f97dba0 | aliguori | } |
295 | 6f97dba0 | aliguori | } |
296 | 6f97dba0 | aliguori | return ret;
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297 | 6f97dba0 | aliguori | } |
298 | 6f97dba0 | aliguori | |
299 | 6f97dba0 | aliguori | static const char * const mux_help[] = { |
300 | 6f97dba0 | aliguori | "% h print this help\n\r",
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301 | 6f97dba0 | aliguori | "% x exit emulator\n\r",
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302 | 6f97dba0 | aliguori | "% s save disk data back to file (if -snapshot)\n\r",
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303 | 6f97dba0 | aliguori | "% t toggle console timestamps\n\r"
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304 | 6f97dba0 | aliguori | "% b send break (magic sysrq)\n\r",
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305 | 6f97dba0 | aliguori | "% c switch between console and monitor\n\r",
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306 | 6f97dba0 | aliguori | "% % sends %\n\r",
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307 | 6f97dba0 | aliguori | NULL
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308 | 6f97dba0 | aliguori | }; |
309 | 6f97dba0 | aliguori | |
310 | 6f97dba0 | aliguori | int term_escape_char = 0x01; /* ctrl-a is used for escape */ |
311 | 6f97dba0 | aliguori | static void mux_print_help(CharDriverState *chr) |
312 | 6f97dba0 | aliguori | { |
313 | 6f97dba0 | aliguori | int i, j;
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314 | 6f97dba0 | aliguori | char ebuf[15] = "Escape-Char"; |
315 | 6f97dba0 | aliguori | char cbuf[50] = "\n\r"; |
316 | 6f97dba0 | aliguori | |
317 | 6f97dba0 | aliguori | if (term_escape_char > 0 && term_escape_char < 26) { |
318 | 6f97dba0 | aliguori | snprintf(cbuf, sizeof(cbuf), "\n\r"); |
319 | 6f97dba0 | aliguori | snprintf(ebuf, sizeof(ebuf), "C-%c", term_escape_char - 1 + 'a'); |
320 | 6f97dba0 | aliguori | } else {
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321 | 6f97dba0 | aliguori | snprintf(cbuf, sizeof(cbuf),
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322 | 6f97dba0 | aliguori | "\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r",
|
323 | 6f97dba0 | aliguori | term_escape_char); |
324 | 6f97dba0 | aliguori | } |
325 | 6f97dba0 | aliguori | chr->chr_write(chr, (uint8_t *)cbuf, strlen(cbuf)); |
326 | 6f97dba0 | aliguori | for (i = 0; mux_help[i] != NULL; i++) { |
327 | 6f97dba0 | aliguori | for (j=0; mux_help[i][j] != '\0'; j++) { |
328 | 6f97dba0 | aliguori | if (mux_help[i][j] == '%') |
329 | 6f97dba0 | aliguori | chr->chr_write(chr, (uint8_t *)ebuf, strlen(ebuf)); |
330 | 6f97dba0 | aliguori | else
|
331 | 6f97dba0 | aliguori | chr->chr_write(chr, (uint8_t *)&mux_help[i][j], 1);
|
332 | 6f97dba0 | aliguori | } |
333 | 6f97dba0 | aliguori | } |
334 | 6f97dba0 | aliguori | } |
335 | 6f97dba0 | aliguori | |
336 | 2724b180 | aliguori | static void mux_chr_send_event(MuxDriver *d, int mux_nr, int event) |
337 | 2724b180 | aliguori | { |
338 | 2724b180 | aliguori | if (d->chr_event[mux_nr])
|
339 | 2724b180 | aliguori | d->chr_event[mux_nr](d->ext_opaque[mux_nr], event); |
340 | 2724b180 | aliguori | } |
341 | 2724b180 | aliguori | |
342 | 6f97dba0 | aliguori | static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch) |
343 | 6f97dba0 | aliguori | { |
344 | 6f97dba0 | aliguori | if (d->term_got_escape) {
|
345 | 6f97dba0 | aliguori | d->term_got_escape = 0;
|
346 | 6f97dba0 | aliguori | if (ch == term_escape_char)
|
347 | 6f97dba0 | aliguori | goto send_char;
|
348 | 6f97dba0 | aliguori | switch(ch) {
|
349 | 6f97dba0 | aliguori | case '?': |
350 | 6f97dba0 | aliguori | case 'h': |
351 | 6f97dba0 | aliguori | mux_print_help(chr); |
352 | 6f97dba0 | aliguori | break;
|
353 | 6f97dba0 | aliguori | case 'x': |
354 | 6f97dba0 | aliguori | { |
355 | 6f97dba0 | aliguori | const char *term = "QEMU: Terminated\n\r"; |
356 | 6f97dba0 | aliguori | chr->chr_write(chr,(uint8_t *)term,strlen(term)); |
357 | 6f97dba0 | aliguori | exit(0);
|
358 | 6f97dba0 | aliguori | break;
|
359 | 6f97dba0 | aliguori | } |
360 | 6f97dba0 | aliguori | case 's': |
361 | 6ab4b5ab | Markus Armbruster | bdrv_commit_all(); |
362 | 6f97dba0 | aliguori | break;
|
363 | 6f97dba0 | aliguori | case 'b': |
364 | a425d23f | Hans de Goede | qemu_chr_be_event(chr, CHR_EVENT_BREAK); |
365 | 6f97dba0 | aliguori | break;
|
366 | 6f97dba0 | aliguori | case 'c': |
367 | 6f97dba0 | aliguori | /* Switch to the next registered device */
|
368 | 799f1f23 | Gerd Hoffmann | mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_OUT); |
369 | 799f1f23 | Gerd Hoffmann | d->focus++; |
370 | 799f1f23 | Gerd Hoffmann | if (d->focus >= d->mux_cnt)
|
371 | 799f1f23 | Gerd Hoffmann | d->focus = 0;
|
372 | 799f1f23 | Gerd Hoffmann | mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_IN); |
373 | 6f97dba0 | aliguori | break;
|
374 | 2d22959d | Jan Kiszka | case 't': |
375 | 2d22959d | Jan Kiszka | d->timestamps = !d->timestamps; |
376 | 2d22959d | Jan Kiszka | d->timestamps_start = -1;
|
377 | 4ab312f7 | Jan Kiszka | d->linestart = 0;
|
378 | 2d22959d | Jan Kiszka | break;
|
379 | 6f97dba0 | aliguori | } |
380 | 6f97dba0 | aliguori | } else if (ch == term_escape_char) { |
381 | 6f97dba0 | aliguori | d->term_got_escape = 1;
|
382 | 6f97dba0 | aliguori | } else {
|
383 | 6f97dba0 | aliguori | send_char:
|
384 | 6f97dba0 | aliguori | return 1; |
385 | 6f97dba0 | aliguori | } |
386 | 6f97dba0 | aliguori | return 0; |
387 | 6f97dba0 | aliguori | } |
388 | 6f97dba0 | aliguori | |
389 | 6f97dba0 | aliguori | static void mux_chr_accept_input(CharDriverState *chr) |
390 | 6f97dba0 | aliguori | { |
391 | 6f97dba0 | aliguori | MuxDriver *d = chr->opaque; |
392 | 799f1f23 | Gerd Hoffmann | int m = d->focus;
|
393 | 6f97dba0 | aliguori | |
394 | a80bf99f | aliguori | while (d->prod[m] != d->cons[m] &&
|
395 | 6f97dba0 | aliguori | d->chr_can_read[m] && |
396 | 6f97dba0 | aliguori | d->chr_can_read[m](d->ext_opaque[m])) { |
397 | 6f97dba0 | aliguori | d->chr_read[m](d->ext_opaque[m], |
398 | a80bf99f | aliguori | &d->buffer[m][d->cons[m]++ & MUX_BUFFER_MASK], 1);
|
399 | 6f97dba0 | aliguori | } |
400 | 6f97dba0 | aliguori | } |
401 | 6f97dba0 | aliguori | |
402 | 6f97dba0 | aliguori | static int mux_chr_can_read(void *opaque) |
403 | 6f97dba0 | aliguori | { |
404 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
405 | 6f97dba0 | aliguori | MuxDriver *d = chr->opaque; |
406 | 799f1f23 | Gerd Hoffmann | int m = d->focus;
|
407 | 6f97dba0 | aliguori | |
408 | a80bf99f | aliguori | if ((d->prod[m] - d->cons[m]) < MUX_BUFFER_SIZE)
|
409 | 6f97dba0 | aliguori | return 1; |
410 | a80bf99f | aliguori | if (d->chr_can_read[m])
|
411 | a80bf99f | aliguori | return d->chr_can_read[m](d->ext_opaque[m]);
|
412 | 6f97dba0 | aliguori | return 0; |
413 | 6f97dba0 | aliguori | } |
414 | 6f97dba0 | aliguori | |
415 | 6f97dba0 | aliguori | static void mux_chr_read(void *opaque, const uint8_t *buf, int size) |
416 | 6f97dba0 | aliguori | { |
417 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
418 | 6f97dba0 | aliguori | MuxDriver *d = chr->opaque; |
419 | 799f1f23 | Gerd Hoffmann | int m = d->focus;
|
420 | 6f97dba0 | aliguori | int i;
|
421 | 6f97dba0 | aliguori | |
422 | 6f97dba0 | aliguori | mux_chr_accept_input (opaque); |
423 | 6f97dba0 | aliguori | |
424 | 6f97dba0 | aliguori | for(i = 0; i < size; i++) |
425 | 6f97dba0 | aliguori | if (mux_proc_byte(chr, d, buf[i])) {
|
426 | a80bf99f | aliguori | if (d->prod[m] == d->cons[m] &&
|
427 | 6f97dba0 | aliguori | d->chr_can_read[m] && |
428 | 6f97dba0 | aliguori | d->chr_can_read[m](d->ext_opaque[m])) |
429 | 6f97dba0 | aliguori | d->chr_read[m](d->ext_opaque[m], &buf[i], 1);
|
430 | 6f97dba0 | aliguori | else
|
431 | a80bf99f | aliguori | d->buffer[m][d->prod[m]++ & MUX_BUFFER_MASK] = buf[i]; |
432 | 6f97dba0 | aliguori | } |
433 | 6f97dba0 | aliguori | } |
434 | 6f97dba0 | aliguori | |
435 | 6f97dba0 | aliguori | static void mux_chr_event(void *opaque, int event) |
436 | 6f97dba0 | aliguori | { |
437 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
438 | 6f97dba0 | aliguori | MuxDriver *d = chr->opaque; |
439 | 6f97dba0 | aliguori | int i;
|
440 | 6f97dba0 | aliguori | |
441 | 6f97dba0 | aliguori | /* Send the event to all registered listeners */
|
442 | 6f97dba0 | aliguori | for (i = 0; i < d->mux_cnt; i++) |
443 | 2724b180 | aliguori | mux_chr_send_event(d, i, event); |
444 | 6f97dba0 | aliguori | } |
445 | 6f97dba0 | aliguori | |
446 | 6f97dba0 | aliguori | static void mux_chr_update_read_handler(CharDriverState *chr) |
447 | 6f97dba0 | aliguori | { |
448 | 6f97dba0 | aliguori | MuxDriver *d = chr->opaque; |
449 | 6f97dba0 | aliguori | |
450 | 6f97dba0 | aliguori | if (d->mux_cnt >= MAX_MUX) {
|
451 | 6f97dba0 | aliguori | fprintf(stderr, "Cannot add I/O handlers, MUX array is full\n");
|
452 | 6f97dba0 | aliguori | return;
|
453 | 6f97dba0 | aliguori | } |
454 | 6f97dba0 | aliguori | d->ext_opaque[d->mux_cnt] = chr->handler_opaque; |
455 | 6f97dba0 | aliguori | d->chr_can_read[d->mux_cnt] = chr->chr_can_read; |
456 | 6f97dba0 | aliguori | d->chr_read[d->mux_cnt] = chr->chr_read; |
457 | 6f97dba0 | aliguori | d->chr_event[d->mux_cnt] = chr->chr_event; |
458 | 6f97dba0 | aliguori | /* Fix up the real driver with mux routines */
|
459 | 6f97dba0 | aliguori | if (d->mux_cnt == 0) { |
460 | 6f97dba0 | aliguori | qemu_chr_add_handlers(d->drv, mux_chr_can_read, mux_chr_read, |
461 | 6f97dba0 | aliguori | mux_chr_event, chr); |
462 | 6f97dba0 | aliguori | } |
463 | 799f1f23 | Gerd Hoffmann | if (d->focus != -1) { |
464 | 799f1f23 | Gerd Hoffmann | mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_OUT); |
465 | a7aec5da | Gerd Hoffmann | } |
466 | 799f1f23 | Gerd Hoffmann | d->focus = d->mux_cnt; |
467 | 6f97dba0 | aliguori | d->mux_cnt++; |
468 | 799f1f23 | Gerd Hoffmann | mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_IN); |
469 | 6f97dba0 | aliguori | } |
470 | 6f97dba0 | aliguori | |
471 | 6f97dba0 | aliguori | static CharDriverState *qemu_chr_open_mux(CharDriverState *drv)
|
472 | 6f97dba0 | aliguori | { |
473 | 6f97dba0 | aliguori | CharDriverState *chr; |
474 | 6f97dba0 | aliguori | MuxDriver *d; |
475 | 6f97dba0 | aliguori | |
476 | 7267c094 | Anthony Liguori | chr = g_malloc0(sizeof(CharDriverState));
|
477 | 7267c094 | Anthony Liguori | d = g_malloc0(sizeof(MuxDriver));
|
478 | 6f97dba0 | aliguori | |
479 | 6f97dba0 | aliguori | chr->opaque = d; |
480 | 6f97dba0 | aliguori | d->drv = drv; |
481 | 799f1f23 | Gerd Hoffmann | d->focus = -1;
|
482 | 6f97dba0 | aliguori | chr->chr_write = mux_chr_write; |
483 | 6f97dba0 | aliguori | chr->chr_update_read_handler = mux_chr_update_read_handler; |
484 | 6f97dba0 | aliguori | chr->chr_accept_input = mux_chr_accept_input; |
485 | 7c32c4fe | Hans de Goede | /* Frontend guest-open / -close notification is not support with muxes */
|
486 | 7c32c4fe | Hans de Goede | chr->chr_guest_open = NULL;
|
487 | 7c32c4fe | Hans de Goede | chr->chr_guest_close = NULL;
|
488 | 73cdf3f2 | Alexander Graf | |
489 | 73cdf3f2 | Alexander Graf | /* Muxes are always open on creation */
|
490 | 73cdf3f2 | Alexander Graf | qemu_chr_generic_open(chr); |
491 | 73cdf3f2 | Alexander Graf | |
492 | 6f97dba0 | aliguori | return chr;
|
493 | 6f97dba0 | aliguori | } |
494 | 6f97dba0 | aliguori | |
495 | 6f97dba0 | aliguori | |
496 | 6f97dba0 | aliguori | #ifdef _WIN32
|
497 | d247d25f | aliguori | int send_all(int fd, const void *buf, int len1) |
498 | 6f97dba0 | aliguori | { |
499 | 6f97dba0 | aliguori | int ret, len;
|
500 | 6f97dba0 | aliguori | |
501 | 6f97dba0 | aliguori | len = len1; |
502 | 6f97dba0 | aliguori | while (len > 0) { |
503 | 6f97dba0 | aliguori | ret = send(fd, buf, len, 0);
|
504 | 6f97dba0 | aliguori | if (ret < 0) { |
505 | 6f97dba0 | aliguori | errno = WSAGetLastError(); |
506 | 6f97dba0 | aliguori | if (errno != WSAEWOULDBLOCK) {
|
507 | 6f97dba0 | aliguori | return -1; |
508 | 6f97dba0 | aliguori | } |
509 | 6f97dba0 | aliguori | } else if (ret == 0) { |
510 | 6f97dba0 | aliguori | break;
|
511 | 6f97dba0 | aliguori | } else {
|
512 | 6f97dba0 | aliguori | buf += ret; |
513 | 6f97dba0 | aliguori | len -= ret; |
514 | 6f97dba0 | aliguori | } |
515 | 6f97dba0 | aliguori | } |
516 | 6f97dba0 | aliguori | return len1 - len;
|
517 | 6f97dba0 | aliguori | } |
518 | 6f97dba0 | aliguori | |
519 | 6f97dba0 | aliguori | #else
|
520 | 6f97dba0 | aliguori | |
521 | 5fc9cfed | Jes Sorensen | int send_all(int fd, const void *_buf, int len1) |
522 | 6f97dba0 | aliguori | { |
523 | 6f97dba0 | aliguori | int ret, len;
|
524 | 5fc9cfed | Jes Sorensen | const uint8_t *buf = _buf;
|
525 | 6f97dba0 | aliguori | |
526 | 6f97dba0 | aliguori | len = len1; |
527 | 6f97dba0 | aliguori | while (len > 0) { |
528 | 6f97dba0 | aliguori | ret = write(fd, buf, len); |
529 | 6f97dba0 | aliguori | if (ret < 0) { |
530 | 6f97dba0 | aliguori | if (errno != EINTR && errno != EAGAIN)
|
531 | 6f97dba0 | aliguori | return -1; |
532 | 6f97dba0 | aliguori | } else if (ret == 0) { |
533 | 6f97dba0 | aliguori | break;
|
534 | 6f97dba0 | aliguori | } else {
|
535 | 6f97dba0 | aliguori | buf += ret; |
536 | 6f97dba0 | aliguori | len -= ret; |
537 | 6f97dba0 | aliguori | } |
538 | 6f97dba0 | aliguori | } |
539 | 6f97dba0 | aliguori | return len1 - len;
|
540 | 6f97dba0 | aliguori | } |
541 | 6f97dba0 | aliguori | #endif /* !_WIN32 */ |
542 | 6f97dba0 | aliguori | |
543 | db418a0a | Fabien Chouteau | #define STDIO_MAX_CLIENTS 1 |
544 | db418a0a | Fabien Chouteau | static int stdio_nb_clients; |
545 | db418a0a | Fabien Chouteau | |
546 | 6f97dba0 | aliguori | #ifndef _WIN32
|
547 | 6f97dba0 | aliguori | |
548 | 6f97dba0 | aliguori | typedef struct { |
549 | 6f97dba0 | aliguori | int fd_in, fd_out;
|
550 | 6f97dba0 | aliguori | int max_size;
|
551 | 6f97dba0 | aliguori | } FDCharDriver; |
552 | 6f97dba0 | aliguori | |
553 | 6f97dba0 | aliguori | |
554 | 6f97dba0 | aliguori | static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
555 | 6f97dba0 | aliguori | { |
556 | 6f97dba0 | aliguori | FDCharDriver *s = chr->opaque; |
557 | 6f97dba0 | aliguori | return send_all(s->fd_out, buf, len);
|
558 | 6f97dba0 | aliguori | } |
559 | 6f97dba0 | aliguori | |
560 | 6f97dba0 | aliguori | static int fd_chr_read_poll(void *opaque) |
561 | 6f97dba0 | aliguori | { |
562 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
563 | 6f97dba0 | aliguori | FDCharDriver *s = chr->opaque; |
564 | 6f97dba0 | aliguori | |
565 | 909cda12 | Anthony Liguori | s->max_size = qemu_chr_be_can_write(chr); |
566 | 6f97dba0 | aliguori | return s->max_size;
|
567 | 6f97dba0 | aliguori | } |
568 | 6f97dba0 | aliguori | |
569 | 6f97dba0 | aliguori | static void fd_chr_read(void *opaque) |
570 | 6f97dba0 | aliguori | { |
571 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
572 | 6f97dba0 | aliguori | FDCharDriver *s = chr->opaque; |
573 | 6f97dba0 | aliguori | int size, len;
|
574 | 9bd7854e | Amit Shah | uint8_t buf[READ_BUF_LEN]; |
575 | 6f97dba0 | aliguori | |
576 | 6f97dba0 | aliguori | len = sizeof(buf);
|
577 | 6f97dba0 | aliguori | if (len > s->max_size)
|
578 | 6f97dba0 | aliguori | len = s->max_size; |
579 | 6f97dba0 | aliguori | if (len == 0) |
580 | 6f97dba0 | aliguori | return;
|
581 | 6f97dba0 | aliguori | size = read(s->fd_in, buf, len); |
582 | 6f97dba0 | aliguori | if (size == 0) { |
583 | 6f97dba0 | aliguori | /* FD has been closed. Remove it from the active list. */
|
584 | 6f97dba0 | aliguori | qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL); |
585 | a425d23f | Hans de Goede | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
586 | 6f97dba0 | aliguori | return;
|
587 | 6f97dba0 | aliguori | } |
588 | 6f97dba0 | aliguori | if (size > 0) { |
589 | fa5efccb | Anthony Liguori | qemu_chr_be_write(chr, buf, size); |
590 | 6f97dba0 | aliguori | } |
591 | 6f97dba0 | aliguori | } |
592 | 6f97dba0 | aliguori | |
593 | 6f97dba0 | aliguori | static void fd_chr_update_read_handler(CharDriverState *chr) |
594 | 6f97dba0 | aliguori | { |
595 | 6f97dba0 | aliguori | FDCharDriver *s = chr->opaque; |
596 | 6f97dba0 | aliguori | |
597 | 6f97dba0 | aliguori | if (s->fd_in >= 0) { |
598 | 993fbfdb | Anthony Liguori | if (display_type == DT_NOGRAPHIC && s->fd_in == 0) { |
599 | 6f97dba0 | aliguori | } else {
|
600 | 6f97dba0 | aliguori | qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll, |
601 | 6f97dba0 | aliguori | fd_chr_read, NULL, chr);
|
602 | 6f97dba0 | aliguori | } |
603 | 6f97dba0 | aliguori | } |
604 | 6f97dba0 | aliguori | } |
605 | 6f97dba0 | aliguori | |
606 | 6f97dba0 | aliguori | static void fd_chr_close(struct CharDriverState *chr) |
607 | 6f97dba0 | aliguori | { |
608 | 6f97dba0 | aliguori | FDCharDriver *s = chr->opaque; |
609 | 6f97dba0 | aliguori | |
610 | 6f97dba0 | aliguori | if (s->fd_in >= 0) { |
611 | 993fbfdb | Anthony Liguori | if (display_type == DT_NOGRAPHIC && s->fd_in == 0) { |
612 | 6f97dba0 | aliguori | } else {
|
613 | 6f97dba0 | aliguori | qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL); |
614 | 6f97dba0 | aliguori | } |
615 | 6f97dba0 | aliguori | } |
616 | 6f97dba0 | aliguori | |
617 | 7267c094 | Anthony Liguori | g_free(s); |
618 | a425d23f | Hans de Goede | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
619 | 6f97dba0 | aliguori | } |
620 | 6f97dba0 | aliguori | |
621 | 6f97dba0 | aliguori | /* open a character device to a unix fd */
|
622 | 6f97dba0 | aliguori | static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out) |
623 | 6f97dba0 | aliguori | { |
624 | 6f97dba0 | aliguori | CharDriverState *chr; |
625 | 6f97dba0 | aliguori | FDCharDriver *s; |
626 | 6f97dba0 | aliguori | |
627 | 7267c094 | Anthony Liguori | chr = g_malloc0(sizeof(CharDriverState));
|
628 | 7267c094 | Anthony Liguori | s = g_malloc0(sizeof(FDCharDriver));
|
629 | 6f97dba0 | aliguori | s->fd_in = fd_in; |
630 | 6f97dba0 | aliguori | s->fd_out = fd_out; |
631 | 6f97dba0 | aliguori | chr->opaque = s; |
632 | 6f97dba0 | aliguori | chr->chr_write = fd_chr_write; |
633 | 6f97dba0 | aliguori | chr->chr_update_read_handler = fd_chr_update_read_handler; |
634 | 6f97dba0 | aliguori | chr->chr_close = fd_chr_close; |
635 | 6f97dba0 | aliguori | |
636 | 127338e6 | Amit Shah | qemu_chr_generic_open(chr); |
637 | 6f97dba0 | aliguori | |
638 | 6f97dba0 | aliguori | return chr;
|
639 | 6f97dba0 | aliguori | } |
640 | 6f97dba0 | aliguori | |
641 | 1f51470d | Markus Armbruster | static CharDriverState *qemu_chr_open_file_out(QemuOpts *opts)
|
642 | 6f97dba0 | aliguori | { |
643 | 6f97dba0 | aliguori | int fd_out;
|
644 | 6f97dba0 | aliguori | |
645 | 40ff6d7e | Kevin Wolf | TFR(fd_out = qemu_open(qemu_opt_get(opts, "path"),
|
646 | 7d31544f | Gerd Hoffmann | O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666));
|
647 | a89dd6c3 | Markus Armbruster | if (fd_out < 0) { |
648 | 1f51470d | Markus Armbruster | return NULL; |
649 | a89dd6c3 | Markus Armbruster | } |
650 | 1f51470d | Markus Armbruster | return qemu_chr_open_fd(-1, fd_out); |
651 | 6f97dba0 | aliguori | } |
652 | 6f97dba0 | aliguori | |
653 | 1f51470d | Markus Armbruster | static CharDriverState *qemu_chr_open_pipe(QemuOpts *opts)
|
654 | 6f97dba0 | aliguori | { |
655 | 6f97dba0 | aliguori | int fd_in, fd_out;
|
656 | 6f97dba0 | aliguori | char filename_in[256], filename_out[256]; |
657 | 7d31544f | Gerd Hoffmann | const char *filename = qemu_opt_get(opts, "path"); |
658 | 7d31544f | Gerd Hoffmann | |
659 | 7d31544f | Gerd Hoffmann | if (filename == NULL) { |
660 | 7d31544f | Gerd Hoffmann | fprintf(stderr, "chardev: pipe: no filename given\n");
|
661 | 1f51470d | Markus Armbruster | return NULL; |
662 | 7d31544f | Gerd Hoffmann | } |
663 | 6f97dba0 | aliguori | |
664 | 6f97dba0 | aliguori | snprintf(filename_in, 256, "%s.in", filename); |
665 | 6f97dba0 | aliguori | snprintf(filename_out, 256, "%s.out", filename); |
666 | 40ff6d7e | Kevin Wolf | TFR(fd_in = qemu_open(filename_in, O_RDWR | O_BINARY)); |
667 | 40ff6d7e | Kevin Wolf | TFR(fd_out = qemu_open(filename_out, O_RDWR | O_BINARY)); |
668 | 6f97dba0 | aliguori | if (fd_in < 0 || fd_out < 0) { |
669 | 6f97dba0 | aliguori | if (fd_in >= 0) |
670 | 6f97dba0 | aliguori | close(fd_in); |
671 | 6f97dba0 | aliguori | if (fd_out >= 0) |
672 | 6f97dba0 | aliguori | close(fd_out); |
673 | b181e047 | Markus Armbruster | TFR(fd_in = fd_out = qemu_open(filename, O_RDWR | O_BINARY)); |
674 | a89dd6c3 | Markus Armbruster | if (fd_in < 0) { |
675 | 1f51470d | Markus Armbruster | return NULL; |
676 | a89dd6c3 | Markus Armbruster | } |
677 | 6f97dba0 | aliguori | } |
678 | 1f51470d | Markus Armbruster | return qemu_chr_open_fd(fd_in, fd_out);
|
679 | 6f97dba0 | aliguori | } |
680 | 6f97dba0 | aliguori | |
681 | 6f97dba0 | aliguori | |
682 | 6f97dba0 | aliguori | /* for STDIO, we handle the case where several clients use it
|
683 | 6f97dba0 | aliguori | (nographic mode) */
|
684 | 6f97dba0 | aliguori | |
685 | 6f97dba0 | aliguori | #define TERM_FIFO_MAX_SIZE 1 |
686 | 6f97dba0 | aliguori | |
687 | 6f97dba0 | aliguori | static uint8_t term_fifo[TERM_FIFO_MAX_SIZE];
|
688 | 6f97dba0 | aliguori | static int term_fifo_size; |
689 | 6f97dba0 | aliguori | |
690 | 6f97dba0 | aliguori | static int stdio_read_poll(void *opaque) |
691 | 6f97dba0 | aliguori | { |
692 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
693 | 6f97dba0 | aliguori | |
694 | 6f97dba0 | aliguori | /* try to flush the queue if needed */
|
695 | 909cda12 | Anthony Liguori | if (term_fifo_size != 0 && qemu_chr_be_can_write(chr) > 0) { |
696 | fa5efccb | Anthony Liguori | qemu_chr_be_write(chr, term_fifo, 1);
|
697 | 6f97dba0 | aliguori | term_fifo_size = 0;
|
698 | 6f97dba0 | aliguori | } |
699 | 6f97dba0 | aliguori | /* see if we can absorb more chars */
|
700 | 6f97dba0 | aliguori | if (term_fifo_size == 0) |
701 | 6f97dba0 | aliguori | return 1; |
702 | 6f97dba0 | aliguori | else
|
703 | 6f97dba0 | aliguori | return 0; |
704 | 6f97dba0 | aliguori | } |
705 | 6f97dba0 | aliguori | |
706 | 6f97dba0 | aliguori | static void stdio_read(void *opaque) |
707 | 6f97dba0 | aliguori | { |
708 | 6f97dba0 | aliguori | int size;
|
709 | 6f97dba0 | aliguori | uint8_t buf[1];
|
710 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
711 | 6f97dba0 | aliguori | |
712 | 6f97dba0 | aliguori | size = read(0, buf, 1); |
713 | 6f97dba0 | aliguori | if (size == 0) { |
714 | 6f97dba0 | aliguori | /* stdin has been closed. Remove it from the active list. */
|
715 | 6f97dba0 | aliguori | qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL); |
716 | a425d23f | Hans de Goede | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
717 | 6f97dba0 | aliguori | return;
|
718 | 6f97dba0 | aliguori | } |
719 | 6f97dba0 | aliguori | if (size > 0) { |
720 | 909cda12 | Anthony Liguori | if (qemu_chr_be_can_write(chr) > 0) { |
721 | fa5efccb | Anthony Liguori | qemu_chr_be_write(chr, buf, 1);
|
722 | 6f97dba0 | aliguori | } else if (term_fifo_size == 0) { |
723 | 6f97dba0 | aliguori | term_fifo[term_fifo_size++] = buf[0];
|
724 | 6f97dba0 | aliguori | } |
725 | 6f97dba0 | aliguori | } |
726 | 6f97dba0 | aliguori | } |
727 | 6f97dba0 | aliguori | |
728 | 6f97dba0 | aliguori | /* init terminal so that we can grab keys */
|
729 | 6f97dba0 | aliguori | static struct termios oldtty; |
730 | 6f97dba0 | aliguori | static int old_fd0_flags; |
731 | bb002513 | Paolo Bonzini | static bool stdio_allow_signal; |
732 | 6f97dba0 | aliguori | |
733 | 6f97dba0 | aliguori | static void term_exit(void) |
734 | 6f97dba0 | aliguori | { |
735 | 6f97dba0 | aliguori | tcsetattr (0, TCSANOW, &oldtty);
|
736 | 6f97dba0 | aliguori | fcntl(0, F_SETFL, old_fd0_flags);
|
737 | 6f97dba0 | aliguori | } |
738 | 6f97dba0 | aliguori | |
739 | bb002513 | Paolo Bonzini | static void qemu_chr_set_echo_stdio(CharDriverState *chr, bool echo) |
740 | 6f97dba0 | aliguori | { |
741 | 6f97dba0 | aliguori | struct termios tty;
|
742 | 6f97dba0 | aliguori | |
743 | 0369364b | Paolo Bonzini | tty = oldtty; |
744 | bb002513 | Paolo Bonzini | if (!echo) {
|
745 | bb002513 | Paolo Bonzini | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP |
746 | 6f97dba0 | aliguori | |INLCR|IGNCR|ICRNL|IXON); |
747 | bb002513 | Paolo Bonzini | tty.c_oflag |= OPOST; |
748 | bb002513 | Paolo Bonzini | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); |
749 | bb002513 | Paolo Bonzini | tty.c_cflag &= ~(CSIZE|PARENB); |
750 | bb002513 | Paolo Bonzini | tty.c_cflag |= CS8; |
751 | bb002513 | Paolo Bonzini | tty.c_cc[VMIN] = 1;
|
752 | bb002513 | Paolo Bonzini | tty.c_cc[VTIME] = 0;
|
753 | bb002513 | Paolo Bonzini | } |
754 | 6f97dba0 | aliguori | /* if graphical mode, we allow Ctrl-C handling */
|
755 | bb002513 | Paolo Bonzini | if (!stdio_allow_signal)
|
756 | 6f97dba0 | aliguori | tty.c_lflag &= ~ISIG; |
757 | 6f97dba0 | aliguori | |
758 | 6f97dba0 | aliguori | tcsetattr (0, TCSANOW, &tty);
|
759 | 6f97dba0 | aliguori | } |
760 | 6f97dba0 | aliguori | |
761 | 6f97dba0 | aliguori | static void qemu_chr_close_stdio(struct CharDriverState *chr) |
762 | 6f97dba0 | aliguori | { |
763 | 6f97dba0 | aliguori | term_exit(); |
764 | 6f97dba0 | aliguori | stdio_nb_clients--; |
765 | 6f97dba0 | aliguori | qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL); |
766 | 6f97dba0 | aliguori | fd_chr_close(chr); |
767 | 6f97dba0 | aliguori | } |
768 | 6f97dba0 | aliguori | |
769 | 1f51470d | Markus Armbruster | static CharDriverState *qemu_chr_open_stdio(QemuOpts *opts)
|
770 | 6f97dba0 | aliguori | { |
771 | 6f97dba0 | aliguori | CharDriverState *chr; |
772 | 6f97dba0 | aliguori | |
773 | a89dd6c3 | Markus Armbruster | if (stdio_nb_clients >= STDIO_MAX_CLIENTS) {
|
774 | 1f51470d | Markus Armbruster | return NULL; |
775 | a89dd6c3 | Markus Armbruster | } |
776 | ab51b1d5 | Michael Tokarev | if (is_daemonized()) {
|
777 | ab51b1d5 | Michael Tokarev | error_report("cannot use stdio with -daemonize");
|
778 | ab51b1d5 | Michael Tokarev | return NULL; |
779 | ab51b1d5 | Michael Tokarev | } |
780 | 0369364b | Paolo Bonzini | if (stdio_nb_clients == 0) { |
781 | 0369364b | Paolo Bonzini | old_fd0_flags = fcntl(0, F_GETFL);
|
782 | 0369364b | Paolo Bonzini | tcgetattr (0, &oldtty);
|
783 | 0369364b | Paolo Bonzini | fcntl(0, F_SETFL, O_NONBLOCK);
|
784 | 0369364b | Paolo Bonzini | atexit(term_exit); |
785 | 0369364b | Paolo Bonzini | } |
786 | 0369364b | Paolo Bonzini | |
787 | 6f97dba0 | aliguori | chr = qemu_chr_open_fd(0, 1); |
788 | 6f97dba0 | aliguori | chr->chr_close = qemu_chr_close_stdio; |
789 | bb002513 | Paolo Bonzini | chr->chr_set_echo = qemu_chr_set_echo_stdio; |
790 | 6f97dba0 | aliguori | qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, chr); |
791 | 6f97dba0 | aliguori | stdio_nb_clients++; |
792 | bb002513 | Paolo Bonzini | stdio_allow_signal = qemu_opt_get_bool(opts, "signal",
|
793 | bb002513 | Paolo Bonzini | display_type != DT_NOGRAPHIC); |
794 | 15f31519 | Anthony Liguori | qemu_chr_fe_set_echo(chr, false);
|
795 | 6f97dba0 | aliguori | |
796 | 1f51470d | Markus Armbruster | return chr;
|
797 | 6f97dba0 | aliguori | } |
798 | 6f97dba0 | aliguori | |
799 | 6f97dba0 | aliguori | #ifdef __sun__
|
800 | 6f97dba0 | aliguori | /* Once Solaris has openpty(), this is going to be removed. */
|
801 | 3f4cb3d3 | blueswir1 | static int openpty(int *amaster, int *aslave, char *name, |
802 | 3f4cb3d3 | blueswir1 | struct termios *termp, struct winsize *winp) |
803 | 6f97dba0 | aliguori | { |
804 | 6f97dba0 | aliguori | const char *slave; |
805 | 6f97dba0 | aliguori | int mfd = -1, sfd = -1; |
806 | 6f97dba0 | aliguori | |
807 | 6f97dba0 | aliguori | *amaster = *aslave = -1;
|
808 | 6f97dba0 | aliguori | |
809 | 6f97dba0 | aliguori | mfd = open("/dev/ptmx", O_RDWR | O_NOCTTY);
|
810 | 6f97dba0 | aliguori | if (mfd < 0) |
811 | 6f97dba0 | aliguori | goto err;
|
812 | 6f97dba0 | aliguori | |
813 | 6f97dba0 | aliguori | if (grantpt(mfd) == -1 || unlockpt(mfd) == -1) |
814 | 6f97dba0 | aliguori | goto err;
|
815 | 6f97dba0 | aliguori | |
816 | 6f97dba0 | aliguori | if ((slave = ptsname(mfd)) == NULL) |
817 | 6f97dba0 | aliguori | goto err;
|
818 | 6f97dba0 | aliguori | |
819 | 6f97dba0 | aliguori | if ((sfd = open(slave, O_RDONLY | O_NOCTTY)) == -1) |
820 | 6f97dba0 | aliguori | goto err;
|
821 | 6f97dba0 | aliguori | |
822 | 6f97dba0 | aliguori | if (ioctl(sfd, I_PUSH, "ptem") == -1 || |
823 | 6f97dba0 | aliguori | (termp != NULL && tcgetattr(sfd, termp) < 0)) |
824 | 6f97dba0 | aliguori | goto err;
|
825 | 6f97dba0 | aliguori | |
826 | 6f97dba0 | aliguori | if (amaster)
|
827 | 6f97dba0 | aliguori | *amaster = mfd; |
828 | 6f97dba0 | aliguori | if (aslave)
|
829 | 6f97dba0 | aliguori | *aslave = sfd; |
830 | 6f97dba0 | aliguori | if (winp)
|
831 | 6f97dba0 | aliguori | ioctl(sfd, TIOCSWINSZ, winp); |
832 | 6f97dba0 | aliguori | |
833 | 6f97dba0 | aliguori | return 0; |
834 | 6f97dba0 | aliguori | |
835 | 6f97dba0 | aliguori | err:
|
836 | 6f97dba0 | aliguori | if (sfd != -1) |
837 | 6f97dba0 | aliguori | close(sfd); |
838 | 6f97dba0 | aliguori | close(mfd); |
839 | 6f97dba0 | aliguori | return -1; |
840 | 6f97dba0 | aliguori | } |
841 | 6f97dba0 | aliguori | |
842 | 3f4cb3d3 | blueswir1 | static void cfmakeraw (struct termios *termios_p) |
843 | 6f97dba0 | aliguori | { |
844 | 6f97dba0 | aliguori | termios_p->c_iflag &= |
845 | 6f97dba0 | aliguori | ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON); |
846 | 6f97dba0 | aliguori | termios_p->c_oflag &= ~OPOST; |
847 | 6f97dba0 | aliguori | termios_p->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN); |
848 | 6f97dba0 | aliguori | termios_p->c_cflag &= ~(CSIZE|PARENB); |
849 | 6f97dba0 | aliguori | termios_p->c_cflag |= CS8; |
850 | 6f97dba0 | aliguori | |
851 | 6f97dba0 | aliguori | termios_p->c_cc[VMIN] = 0;
|
852 | 6f97dba0 | aliguori | termios_p->c_cc[VTIME] = 0;
|
853 | 6f97dba0 | aliguori | } |
854 | 6f97dba0 | aliguori | #endif
|
855 | 6f97dba0 | aliguori | |
856 | 6f97dba0 | aliguori | #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
|
857 | a167ba50 | Aurelien Jarno | || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) \ |
858 | a167ba50 | Aurelien Jarno | || defined(__GLIBC__) |
859 | 6f97dba0 | aliguori | |
860 | e551498e | Gerd Hoffmann | #define HAVE_CHARDEV_TTY 1 |
861 | e551498e | Gerd Hoffmann | |
862 | 6f97dba0 | aliguori | typedef struct { |
863 | 6f97dba0 | aliguori | int fd;
|
864 | 6f97dba0 | aliguori | int connected;
|
865 | 6f97dba0 | aliguori | int polling;
|
866 | 6f97dba0 | aliguori | int read_bytes;
|
867 | 6f97dba0 | aliguori | QEMUTimer *timer; |
868 | 6f97dba0 | aliguori | } PtyCharDriver; |
869 | 6f97dba0 | aliguori | |
870 | 6f97dba0 | aliguori | static void pty_chr_update_read_handler(CharDriverState *chr); |
871 | 6f97dba0 | aliguori | static void pty_chr_state(CharDriverState *chr, int connected); |
872 | 6f97dba0 | aliguori | |
873 | 6f97dba0 | aliguori | static int pty_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
874 | 6f97dba0 | aliguori | { |
875 | 6f97dba0 | aliguori | PtyCharDriver *s = chr->opaque; |
876 | 6f97dba0 | aliguori | |
877 | 6f97dba0 | aliguori | if (!s->connected) {
|
878 | 6f97dba0 | aliguori | /* guest sends data, check for (re-)connect */
|
879 | 6f97dba0 | aliguori | pty_chr_update_read_handler(chr); |
880 | 6f97dba0 | aliguori | return 0; |
881 | 6f97dba0 | aliguori | } |
882 | 6f97dba0 | aliguori | return send_all(s->fd, buf, len);
|
883 | 6f97dba0 | aliguori | } |
884 | 6f97dba0 | aliguori | |
885 | 6f97dba0 | aliguori | static int pty_chr_read_poll(void *opaque) |
886 | 6f97dba0 | aliguori | { |
887 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
888 | 6f97dba0 | aliguori | PtyCharDriver *s = chr->opaque; |
889 | 6f97dba0 | aliguori | |
890 | 909cda12 | Anthony Liguori | s->read_bytes = qemu_chr_be_can_write(chr); |
891 | 6f97dba0 | aliguori | return s->read_bytes;
|
892 | 6f97dba0 | aliguori | } |
893 | 6f97dba0 | aliguori | |
894 | 6f97dba0 | aliguori | static void pty_chr_read(void *opaque) |
895 | 6f97dba0 | aliguori | { |
896 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
897 | 6f97dba0 | aliguori | PtyCharDriver *s = chr->opaque; |
898 | 6f97dba0 | aliguori | int size, len;
|
899 | 9bd7854e | Amit Shah | uint8_t buf[READ_BUF_LEN]; |
900 | 6f97dba0 | aliguori | |
901 | 6f97dba0 | aliguori | len = sizeof(buf);
|
902 | 6f97dba0 | aliguori | if (len > s->read_bytes)
|
903 | 6f97dba0 | aliguori | len = s->read_bytes; |
904 | 6f97dba0 | aliguori | if (len == 0) |
905 | 6f97dba0 | aliguori | return;
|
906 | 6f97dba0 | aliguori | size = read(s->fd, buf, len); |
907 | 6f97dba0 | aliguori | if ((size == -1 && errno == EIO) || |
908 | 6f97dba0 | aliguori | (size == 0)) {
|
909 | 6f97dba0 | aliguori | pty_chr_state(chr, 0);
|
910 | 6f97dba0 | aliguori | return;
|
911 | 6f97dba0 | aliguori | } |
912 | 6f97dba0 | aliguori | if (size > 0) { |
913 | 6f97dba0 | aliguori | pty_chr_state(chr, 1);
|
914 | fa5efccb | Anthony Liguori | qemu_chr_be_write(chr, buf, size); |
915 | 6f97dba0 | aliguori | } |
916 | 6f97dba0 | aliguori | } |
917 | 6f97dba0 | aliguori | |
918 | 6f97dba0 | aliguori | static void pty_chr_update_read_handler(CharDriverState *chr) |
919 | 6f97dba0 | aliguori | { |
920 | 6f97dba0 | aliguori | PtyCharDriver *s = chr->opaque; |
921 | 6f97dba0 | aliguori | |
922 | 6f97dba0 | aliguori | qemu_set_fd_handler2(s->fd, pty_chr_read_poll, |
923 | 6f97dba0 | aliguori | pty_chr_read, NULL, chr);
|
924 | 6f97dba0 | aliguori | s->polling = 1;
|
925 | 6f97dba0 | aliguori | /*
|
926 | 6f97dba0 | aliguori | * Short timeout here: just need wait long enougth that qemu makes
|
927 | 6f97dba0 | aliguori | * it through the poll loop once. When reconnected we want a
|
928 | 6f97dba0 | aliguori | * short timeout so we notice it almost instantly. Otherwise
|
929 | 6f97dba0 | aliguori | * read() gives us -EIO instantly, making pty_chr_state() reset the
|
930 | 6f97dba0 | aliguori | * timeout to the normal (much longer) poll interval before the
|
931 | 6f97dba0 | aliguori | * timer triggers.
|
932 | 6f97dba0 | aliguori | */
|
933 | 7bd427d8 | Paolo Bonzini | qemu_mod_timer(s->timer, qemu_get_clock_ms(rt_clock) + 10);
|
934 | 6f97dba0 | aliguori | } |
935 | 6f97dba0 | aliguori | |
936 | 6f97dba0 | aliguori | static void pty_chr_state(CharDriverState *chr, int connected) |
937 | 6f97dba0 | aliguori | { |
938 | 6f97dba0 | aliguori | PtyCharDriver *s = chr->opaque; |
939 | 6f97dba0 | aliguori | |
940 | 6f97dba0 | aliguori | if (!connected) {
|
941 | 6f97dba0 | aliguori | qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL); |
942 | 6f97dba0 | aliguori | s->connected = 0;
|
943 | 6f97dba0 | aliguori | s->polling = 0;
|
944 | 6f97dba0 | aliguori | /* (re-)connect poll interval for idle guests: once per second.
|
945 | 6f97dba0 | aliguori | * We check more frequently in case the guests sends data to
|
946 | 6f97dba0 | aliguori | * the virtual device linked to our pty. */
|
947 | 7bd427d8 | Paolo Bonzini | qemu_mod_timer(s->timer, qemu_get_clock_ms(rt_clock) + 1000);
|
948 | 6f97dba0 | aliguori | } else {
|
949 | 6f97dba0 | aliguori | if (!s->connected)
|
950 | 127338e6 | Amit Shah | qemu_chr_generic_open(chr); |
951 | 6f97dba0 | aliguori | s->connected = 1;
|
952 | 6f97dba0 | aliguori | } |
953 | 6f97dba0 | aliguori | } |
954 | 6f97dba0 | aliguori | |
955 | 6f97dba0 | aliguori | static void pty_chr_timer(void *opaque) |
956 | 6f97dba0 | aliguori | { |
957 | 6f97dba0 | aliguori | struct CharDriverState *chr = opaque;
|
958 | 6f97dba0 | aliguori | PtyCharDriver *s = chr->opaque; |
959 | 6f97dba0 | aliguori | |
960 | 6f97dba0 | aliguori | if (s->connected)
|
961 | 6f97dba0 | aliguori | return;
|
962 | 6f97dba0 | aliguori | if (s->polling) {
|
963 | 6f97dba0 | aliguori | /* If we arrive here without polling being cleared due
|
964 | 6f97dba0 | aliguori | * read returning -EIO, then we are (re-)connected */
|
965 | 6f97dba0 | aliguori | pty_chr_state(chr, 1);
|
966 | 6f97dba0 | aliguori | return;
|
967 | 6f97dba0 | aliguori | } |
968 | 6f97dba0 | aliguori | |
969 | 6f97dba0 | aliguori | /* Next poll ... */
|
970 | 6f97dba0 | aliguori | pty_chr_update_read_handler(chr); |
971 | 6f97dba0 | aliguori | } |
972 | 6f97dba0 | aliguori | |
973 | 6f97dba0 | aliguori | static void pty_chr_close(struct CharDriverState *chr) |
974 | 6f97dba0 | aliguori | { |
975 | 6f97dba0 | aliguori | PtyCharDriver *s = chr->opaque; |
976 | 6f97dba0 | aliguori | |
977 | 6f97dba0 | aliguori | qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL); |
978 | 6f97dba0 | aliguori | close(s->fd); |
979 | 819f56b7 | aliguori | qemu_del_timer(s->timer); |
980 | 819f56b7 | aliguori | qemu_free_timer(s->timer); |
981 | 7267c094 | Anthony Liguori | g_free(s); |
982 | a425d23f | Hans de Goede | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
983 | 6f97dba0 | aliguori | } |
984 | 6f97dba0 | aliguori | |
985 | 1f51470d | Markus Armbruster | static CharDriverState *qemu_chr_open_pty(QemuOpts *opts)
|
986 | 6f97dba0 | aliguori | { |
987 | 6f97dba0 | aliguori | CharDriverState *chr; |
988 | 6f97dba0 | aliguori | PtyCharDriver *s; |
989 | 6f97dba0 | aliguori | struct termios tty;
|
990 | 58650218 | Lei Li | const char *label; |
991 | a4e26048 | Markus Armbruster | int master_fd, slave_fd, len;
|
992 | c5e97233 | blueswir1 | #if defined(__OpenBSD__) || defined(__DragonFly__)
|
993 | 6f97dba0 | aliguori | char pty_name[PATH_MAX];
|
994 | 6f97dba0 | aliguori | #define q_ptsname(x) pty_name
|
995 | 6f97dba0 | aliguori | #else
|
996 | 6f97dba0 | aliguori | char *pty_name = NULL; |
997 | 6f97dba0 | aliguori | #define q_ptsname(x) ptsname(x)
|
998 | 6f97dba0 | aliguori | #endif
|
999 | 6f97dba0 | aliguori | |
1000 | a4e26048 | Markus Armbruster | if (openpty(&master_fd, &slave_fd, pty_name, NULL, NULL) < 0) { |
1001 | 1f51470d | Markus Armbruster | return NULL; |
1002 | 6f97dba0 | aliguori | } |
1003 | 6f97dba0 | aliguori | |
1004 | 6f97dba0 | aliguori | /* Set raw attributes on the pty. */
|
1005 | c3b972c3 | aliguori | tcgetattr(slave_fd, &tty); |
1006 | 6f97dba0 | aliguori | cfmakeraw(&tty); |
1007 | 6f97dba0 | aliguori | tcsetattr(slave_fd, TCSAFLUSH, &tty); |
1008 | 6f97dba0 | aliguori | close(slave_fd); |
1009 | 6f97dba0 | aliguori | |
1010 | a4e26048 | Markus Armbruster | chr = g_malloc0(sizeof(CharDriverState));
|
1011 | a4e26048 | Markus Armbruster | |
1012 | a4e26048 | Markus Armbruster | len = strlen(q_ptsname(master_fd)) + 5;
|
1013 | 7267c094 | Anthony Liguori | chr->filename = g_malloc(len); |
1014 | a4e26048 | Markus Armbruster | snprintf(chr->filename, len, "pty:%s", q_ptsname(master_fd));
|
1015 | a4e26048 | Markus Armbruster | qemu_opt_set(opts, "path", q_ptsname(master_fd));
|
1016 | 58650218 | Lei Li | |
1017 | 58650218 | Lei Li | label = qemu_opts_id(opts); |
1018 | 25bbf61e | Gerd Hoffmann | fprintf(stderr, "char device redirected to %s%s%s%s\n",
|
1019 | 25bbf61e | Gerd Hoffmann | q_ptsname(master_fd), |
1020 | 25bbf61e | Gerd Hoffmann | label ? " (label " : "", |
1021 | 25bbf61e | Gerd Hoffmann | label ? label : "",
|
1022 | 25bbf61e | Gerd Hoffmann | label ? ")" : ""); |
1023 | 6f97dba0 | aliguori | |
1024 | a4e26048 | Markus Armbruster | s = g_malloc0(sizeof(PtyCharDriver));
|
1025 | 6f97dba0 | aliguori | chr->opaque = s; |
1026 | 6f97dba0 | aliguori | chr->chr_write = pty_chr_write; |
1027 | 6f97dba0 | aliguori | chr->chr_update_read_handler = pty_chr_update_read_handler; |
1028 | 6f97dba0 | aliguori | chr->chr_close = pty_chr_close; |
1029 | 6f97dba0 | aliguori | |
1030 | a4e26048 | Markus Armbruster | s->fd = master_fd; |
1031 | 7bd427d8 | Paolo Bonzini | s->timer = qemu_new_timer_ms(rt_clock, pty_chr_timer, chr); |
1032 | 6f97dba0 | aliguori | |
1033 | 1f51470d | Markus Armbruster | return chr;
|
1034 | 6f97dba0 | aliguori | } |
1035 | 6f97dba0 | aliguori | |
1036 | 6f97dba0 | aliguori | static void tty_serial_init(int fd, int speed, |
1037 | 6f97dba0 | aliguori | int parity, int data_bits, int stop_bits) |
1038 | 6f97dba0 | aliguori | { |
1039 | 6f97dba0 | aliguori | struct termios tty;
|
1040 | 6f97dba0 | aliguori | speed_t spd; |
1041 | 6f97dba0 | aliguori | |
1042 | 6f97dba0 | aliguori | #if 0
|
1043 | 6f97dba0 | aliguori | printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
|
1044 | 6f97dba0 | aliguori | speed, parity, data_bits, stop_bits);
|
1045 | 6f97dba0 | aliguori | #endif
|
1046 | 6f97dba0 | aliguori | tcgetattr (fd, &tty); |
1047 | 6f97dba0 | aliguori | |
1048 | 45eea13b | Stefan Weil | #define check_speed(val) if (speed <= val) { spd = B##val; break; } |
1049 | 45eea13b | Stefan Weil | speed = speed * 10 / 11; |
1050 | 45eea13b | Stefan Weil | do {
|
1051 | 45eea13b | Stefan Weil | check_speed(50);
|
1052 | 45eea13b | Stefan Weil | check_speed(75);
|
1053 | 45eea13b | Stefan Weil | check_speed(110);
|
1054 | 45eea13b | Stefan Weil | check_speed(134);
|
1055 | 45eea13b | Stefan Weil | check_speed(150);
|
1056 | 45eea13b | Stefan Weil | check_speed(200);
|
1057 | 45eea13b | Stefan Weil | check_speed(300);
|
1058 | 45eea13b | Stefan Weil | check_speed(600);
|
1059 | 45eea13b | Stefan Weil | check_speed(1200);
|
1060 | 45eea13b | Stefan Weil | check_speed(1800);
|
1061 | 45eea13b | Stefan Weil | check_speed(2400);
|
1062 | 45eea13b | Stefan Weil | check_speed(4800);
|
1063 | 45eea13b | Stefan Weil | check_speed(9600);
|
1064 | 45eea13b | Stefan Weil | check_speed(19200);
|
1065 | 45eea13b | Stefan Weil | check_speed(38400);
|
1066 | 45eea13b | Stefan Weil | /* Non-Posix values follow. They may be unsupported on some systems. */
|
1067 | 45eea13b | Stefan Weil | check_speed(57600);
|
1068 | 45eea13b | Stefan Weil | check_speed(115200);
|
1069 | 45eea13b | Stefan Weil | #ifdef B230400
|
1070 | 45eea13b | Stefan Weil | check_speed(230400);
|
1071 | 45eea13b | Stefan Weil | #endif
|
1072 | 45eea13b | Stefan Weil | #ifdef B460800
|
1073 | 45eea13b | Stefan Weil | check_speed(460800);
|
1074 | 45eea13b | Stefan Weil | #endif
|
1075 | 45eea13b | Stefan Weil | #ifdef B500000
|
1076 | 45eea13b | Stefan Weil | check_speed(500000);
|
1077 | 45eea13b | Stefan Weil | #endif
|
1078 | 45eea13b | Stefan Weil | #ifdef B576000
|
1079 | 45eea13b | Stefan Weil | check_speed(576000);
|
1080 | 45eea13b | Stefan Weil | #endif
|
1081 | 45eea13b | Stefan Weil | #ifdef B921600
|
1082 | 45eea13b | Stefan Weil | check_speed(921600);
|
1083 | 45eea13b | Stefan Weil | #endif
|
1084 | 45eea13b | Stefan Weil | #ifdef B1000000
|
1085 | 45eea13b | Stefan Weil | check_speed(1000000);
|
1086 | 45eea13b | Stefan Weil | #endif
|
1087 | 45eea13b | Stefan Weil | #ifdef B1152000
|
1088 | 45eea13b | Stefan Weil | check_speed(1152000);
|
1089 | 45eea13b | Stefan Weil | #endif
|
1090 | 45eea13b | Stefan Weil | #ifdef B1500000
|
1091 | 45eea13b | Stefan Weil | check_speed(1500000);
|
1092 | 45eea13b | Stefan Weil | #endif
|
1093 | 45eea13b | Stefan Weil | #ifdef B2000000
|
1094 | 45eea13b | Stefan Weil | check_speed(2000000);
|
1095 | 45eea13b | Stefan Weil | #endif
|
1096 | 45eea13b | Stefan Weil | #ifdef B2500000
|
1097 | 45eea13b | Stefan Weil | check_speed(2500000);
|
1098 | 45eea13b | Stefan Weil | #endif
|
1099 | 45eea13b | Stefan Weil | #ifdef B3000000
|
1100 | 45eea13b | Stefan Weil | check_speed(3000000);
|
1101 | 45eea13b | Stefan Weil | #endif
|
1102 | 45eea13b | Stefan Weil | #ifdef B3500000
|
1103 | 45eea13b | Stefan Weil | check_speed(3500000);
|
1104 | 45eea13b | Stefan Weil | #endif
|
1105 | 45eea13b | Stefan Weil | #ifdef B4000000
|
1106 | 45eea13b | Stefan Weil | check_speed(4000000);
|
1107 | 45eea13b | Stefan Weil | #endif
|
1108 | 6f97dba0 | aliguori | spd = B115200; |
1109 | 45eea13b | Stefan Weil | } while (0); |
1110 | 6f97dba0 | aliguori | |
1111 | 6f97dba0 | aliguori | cfsetispeed(&tty, spd); |
1112 | 6f97dba0 | aliguori | cfsetospeed(&tty, spd); |
1113 | 6f97dba0 | aliguori | |
1114 | 6f97dba0 | aliguori | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP |
1115 | 6f97dba0 | aliguori | |INLCR|IGNCR|ICRNL|IXON); |
1116 | 6f97dba0 | aliguori | tty.c_oflag |= OPOST; |
1117 | 6f97dba0 | aliguori | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG); |
1118 | 6f97dba0 | aliguori | tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB); |
1119 | 6f97dba0 | aliguori | switch(data_bits) {
|
1120 | 6f97dba0 | aliguori | default:
|
1121 | 6f97dba0 | aliguori | case 8: |
1122 | 6f97dba0 | aliguori | tty.c_cflag |= CS8; |
1123 | 6f97dba0 | aliguori | break;
|
1124 | 6f97dba0 | aliguori | case 7: |
1125 | 6f97dba0 | aliguori | tty.c_cflag |= CS7; |
1126 | 6f97dba0 | aliguori | break;
|
1127 | 6f97dba0 | aliguori | case 6: |
1128 | 6f97dba0 | aliguori | tty.c_cflag |= CS6; |
1129 | 6f97dba0 | aliguori | break;
|
1130 | 6f97dba0 | aliguori | case 5: |
1131 | 6f97dba0 | aliguori | tty.c_cflag |= CS5; |
1132 | 6f97dba0 | aliguori | break;
|
1133 | 6f97dba0 | aliguori | } |
1134 | 6f97dba0 | aliguori | switch(parity) {
|
1135 | 6f97dba0 | aliguori | default:
|
1136 | 6f97dba0 | aliguori | case 'N': |
1137 | 6f97dba0 | aliguori | break;
|
1138 | 6f97dba0 | aliguori | case 'E': |
1139 | 6f97dba0 | aliguori | tty.c_cflag |= PARENB; |
1140 | 6f97dba0 | aliguori | break;
|
1141 | 6f97dba0 | aliguori | case 'O': |
1142 | 6f97dba0 | aliguori | tty.c_cflag |= PARENB | PARODD; |
1143 | 6f97dba0 | aliguori | break;
|
1144 | 6f97dba0 | aliguori | } |
1145 | 6f97dba0 | aliguori | if (stop_bits == 2) |
1146 | 6f97dba0 | aliguori | tty.c_cflag |= CSTOPB; |
1147 | 6f97dba0 | aliguori | |
1148 | 6f97dba0 | aliguori | tcsetattr (fd, TCSANOW, &tty); |
1149 | 6f97dba0 | aliguori | } |
1150 | 6f97dba0 | aliguori | |
1151 | 6f97dba0 | aliguori | static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg) |
1152 | 6f97dba0 | aliguori | { |
1153 | 6f97dba0 | aliguori | FDCharDriver *s = chr->opaque; |
1154 | 6f97dba0 | aliguori | |
1155 | 6f97dba0 | aliguori | switch(cmd) {
|
1156 | 6f97dba0 | aliguori | case CHR_IOCTL_SERIAL_SET_PARAMS:
|
1157 | 6f97dba0 | aliguori | { |
1158 | 6f97dba0 | aliguori | QEMUSerialSetParams *ssp = arg; |
1159 | 6f97dba0 | aliguori | tty_serial_init(s->fd_in, ssp->speed, ssp->parity, |
1160 | 6f97dba0 | aliguori | ssp->data_bits, ssp->stop_bits); |
1161 | 6f97dba0 | aliguori | } |
1162 | 6f97dba0 | aliguori | break;
|
1163 | 6f97dba0 | aliguori | case CHR_IOCTL_SERIAL_SET_BREAK:
|
1164 | 6f97dba0 | aliguori | { |
1165 | 6f97dba0 | aliguori | int enable = *(int *)arg; |
1166 | 6f97dba0 | aliguori | if (enable)
|
1167 | 6f97dba0 | aliguori | tcsendbreak(s->fd_in, 1);
|
1168 | 6f97dba0 | aliguori | } |
1169 | 6f97dba0 | aliguori | break;
|
1170 | 6f97dba0 | aliguori | case CHR_IOCTL_SERIAL_GET_TIOCM:
|
1171 | 6f97dba0 | aliguori | { |
1172 | 6f97dba0 | aliguori | int sarg = 0; |
1173 | 6f97dba0 | aliguori | int *targ = (int *)arg; |
1174 | 6f97dba0 | aliguori | ioctl(s->fd_in, TIOCMGET, &sarg); |
1175 | 6f97dba0 | aliguori | *targ = 0;
|
1176 | b4abdfa4 | aurel32 | if (sarg & TIOCM_CTS)
|
1177 | 6f97dba0 | aliguori | *targ |= CHR_TIOCM_CTS; |
1178 | b4abdfa4 | aurel32 | if (sarg & TIOCM_CAR)
|
1179 | 6f97dba0 | aliguori | *targ |= CHR_TIOCM_CAR; |
1180 | b4abdfa4 | aurel32 | if (sarg & TIOCM_DSR)
|
1181 | 6f97dba0 | aliguori | *targ |= CHR_TIOCM_DSR; |
1182 | b4abdfa4 | aurel32 | if (sarg & TIOCM_RI)
|
1183 | 6f97dba0 | aliguori | *targ |= CHR_TIOCM_RI; |
1184 | b4abdfa4 | aurel32 | if (sarg & TIOCM_DTR)
|
1185 | 6f97dba0 | aliguori | *targ |= CHR_TIOCM_DTR; |
1186 | b4abdfa4 | aurel32 | if (sarg & TIOCM_RTS)
|
1187 | 6f97dba0 | aliguori | *targ |= CHR_TIOCM_RTS; |
1188 | 6f97dba0 | aliguori | } |
1189 | 6f97dba0 | aliguori | break;
|
1190 | 6f97dba0 | aliguori | case CHR_IOCTL_SERIAL_SET_TIOCM:
|
1191 | 6f97dba0 | aliguori | { |
1192 | 6f97dba0 | aliguori | int sarg = *(int *)arg; |
1193 | 6f97dba0 | aliguori | int targ = 0; |
1194 | b4abdfa4 | aurel32 | ioctl(s->fd_in, TIOCMGET, &targ); |
1195 | b4abdfa4 | aurel32 | targ &= ~(CHR_TIOCM_CTS | CHR_TIOCM_CAR | CHR_TIOCM_DSR |
1196 | b4abdfa4 | aurel32 | | CHR_TIOCM_RI | CHR_TIOCM_DTR | CHR_TIOCM_RTS); |
1197 | b4abdfa4 | aurel32 | if (sarg & CHR_TIOCM_CTS)
|
1198 | b4abdfa4 | aurel32 | targ |= TIOCM_CTS; |
1199 | b4abdfa4 | aurel32 | if (sarg & CHR_TIOCM_CAR)
|
1200 | b4abdfa4 | aurel32 | targ |= TIOCM_CAR; |
1201 | b4abdfa4 | aurel32 | if (sarg & CHR_TIOCM_DSR)
|
1202 | b4abdfa4 | aurel32 | targ |= TIOCM_DSR; |
1203 | b4abdfa4 | aurel32 | if (sarg & CHR_TIOCM_RI)
|
1204 | b4abdfa4 | aurel32 | targ |= TIOCM_RI; |
1205 | b4abdfa4 | aurel32 | if (sarg & CHR_TIOCM_DTR)
|
1206 | 6f97dba0 | aliguori | targ |= TIOCM_DTR; |
1207 | b4abdfa4 | aurel32 | if (sarg & CHR_TIOCM_RTS)
|
1208 | 6f97dba0 | aliguori | targ |= TIOCM_RTS; |
1209 | 6f97dba0 | aliguori | ioctl(s->fd_in, TIOCMSET, &targ); |
1210 | 6f97dba0 | aliguori | } |
1211 | 6f97dba0 | aliguori | break;
|
1212 | 6f97dba0 | aliguori | default:
|
1213 | 6f97dba0 | aliguori | return -ENOTSUP;
|
1214 | 6f97dba0 | aliguori | } |
1215 | 6f97dba0 | aliguori | return 0; |
1216 | 6f97dba0 | aliguori | } |
1217 | 6f97dba0 | aliguori | |
1218 | 4266a134 | David Ahern | static void qemu_chr_close_tty(CharDriverState *chr) |
1219 | 4266a134 | David Ahern | { |
1220 | 4266a134 | David Ahern | FDCharDriver *s = chr->opaque; |
1221 | 4266a134 | David Ahern | int fd = -1; |
1222 | 4266a134 | David Ahern | |
1223 | 4266a134 | David Ahern | if (s) {
|
1224 | 4266a134 | David Ahern | fd = s->fd_in; |
1225 | 4266a134 | David Ahern | } |
1226 | 4266a134 | David Ahern | |
1227 | 4266a134 | David Ahern | fd_chr_close(chr); |
1228 | 4266a134 | David Ahern | |
1229 | 4266a134 | David Ahern | if (fd >= 0) { |
1230 | 4266a134 | David Ahern | close(fd); |
1231 | 4266a134 | David Ahern | } |
1232 | 4266a134 | David Ahern | } |
1233 | 4266a134 | David Ahern | |
1234 | d59044ef | Gerd Hoffmann | static CharDriverState *qemu_chr_open_tty_fd(int fd) |
1235 | d59044ef | Gerd Hoffmann | { |
1236 | d59044ef | Gerd Hoffmann | CharDriverState *chr; |
1237 | d59044ef | Gerd Hoffmann | |
1238 | d59044ef | Gerd Hoffmann | tty_serial_init(fd, 115200, 'N', 8, 1); |
1239 | d59044ef | Gerd Hoffmann | chr = qemu_chr_open_fd(fd, fd); |
1240 | d59044ef | Gerd Hoffmann | chr->chr_ioctl = tty_serial_ioctl; |
1241 | d59044ef | Gerd Hoffmann | chr->chr_close = qemu_chr_close_tty; |
1242 | d59044ef | Gerd Hoffmann | return chr;
|
1243 | d59044ef | Gerd Hoffmann | } |
1244 | d59044ef | Gerd Hoffmann | |
1245 | 1f51470d | Markus Armbruster | static CharDriverState *qemu_chr_open_tty(QemuOpts *opts)
|
1246 | 6f97dba0 | aliguori | { |
1247 | 48b76496 | Gerd Hoffmann | const char *filename = qemu_opt_get(opts, "path"); |
1248 | 6f97dba0 | aliguori | int fd;
|
1249 | 6f97dba0 | aliguori | |
1250 | b181e047 | Markus Armbruster | TFR(fd = qemu_open(filename, O_RDWR | O_NONBLOCK)); |
1251 | afc535ac | Evgeniy Dushistov | if (fd < 0) { |
1252 | 1f51470d | Markus Armbruster | return NULL; |
1253 | afc535ac | Evgeniy Dushistov | } |
1254 | d59044ef | Gerd Hoffmann | return qemu_chr_open_tty_fd(fd);
|
1255 | 6f97dba0 | aliguori | } |
1256 | 6f97dba0 | aliguori | #endif /* __linux__ || __sun__ */ |
1257 | 6f97dba0 | aliguori | |
1258 | 6f97dba0 | aliguori | #if defined(__linux__)
|
1259 | e551498e | Gerd Hoffmann | |
1260 | e551498e | Gerd Hoffmann | #define HAVE_CHARDEV_PARPORT 1 |
1261 | e551498e | Gerd Hoffmann | |
1262 | 6f97dba0 | aliguori | typedef struct { |
1263 | 6f97dba0 | aliguori | int fd;
|
1264 | 6f97dba0 | aliguori | int mode;
|
1265 | 6f97dba0 | aliguori | } ParallelCharDriver; |
1266 | 6f97dba0 | aliguori | |
1267 | 6f97dba0 | aliguori | static int pp_hw_mode(ParallelCharDriver *s, uint16_t mode) |
1268 | 6f97dba0 | aliguori | { |
1269 | 6f97dba0 | aliguori | if (s->mode != mode) {
|
1270 | 6f97dba0 | aliguori | int m = mode;
|
1271 | 6f97dba0 | aliguori | if (ioctl(s->fd, PPSETMODE, &m) < 0) |
1272 | 6f97dba0 | aliguori | return 0; |
1273 | 6f97dba0 | aliguori | s->mode = mode; |
1274 | 6f97dba0 | aliguori | } |
1275 | 6f97dba0 | aliguori | return 1; |
1276 | 6f97dba0 | aliguori | } |
1277 | 6f97dba0 | aliguori | |
1278 | 6f97dba0 | aliguori | static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) |
1279 | 6f97dba0 | aliguori | { |
1280 | 6f97dba0 | aliguori | ParallelCharDriver *drv = chr->opaque; |
1281 | 6f97dba0 | aliguori | int fd = drv->fd;
|
1282 | 6f97dba0 | aliguori | uint8_t b; |
1283 | 6f97dba0 | aliguori | |
1284 | 6f97dba0 | aliguori | switch(cmd) {
|
1285 | 6f97dba0 | aliguori | case CHR_IOCTL_PP_READ_DATA:
|
1286 | 6f97dba0 | aliguori | if (ioctl(fd, PPRDATA, &b) < 0) |
1287 | 6f97dba0 | aliguori | return -ENOTSUP;
|
1288 | 6f97dba0 | aliguori | *(uint8_t *)arg = b; |
1289 | 6f97dba0 | aliguori | break;
|
1290 | 6f97dba0 | aliguori | case CHR_IOCTL_PP_WRITE_DATA:
|
1291 | 6f97dba0 | aliguori | b = *(uint8_t *)arg; |
1292 | 6f97dba0 | aliguori | if (ioctl(fd, PPWDATA, &b) < 0) |
1293 | 6f97dba0 | aliguori | return -ENOTSUP;
|
1294 | 6f97dba0 | aliguori | break;
|
1295 | 6f97dba0 | aliguori | case CHR_IOCTL_PP_READ_CONTROL:
|
1296 | 6f97dba0 | aliguori | if (ioctl(fd, PPRCONTROL, &b) < 0) |
1297 | 6f97dba0 | aliguori | return -ENOTSUP;
|
1298 | 6f97dba0 | aliguori | /* Linux gives only the lowest bits, and no way to know data
|
1299 | 6f97dba0 | aliguori | direction! For better compatibility set the fixed upper
|
1300 | 6f97dba0 | aliguori | bits. */
|
1301 | 6f97dba0 | aliguori | *(uint8_t *)arg = b | 0xc0;
|
1302 | 6f97dba0 | aliguori | break;
|
1303 | 6f97dba0 | aliguori | case CHR_IOCTL_PP_WRITE_CONTROL:
|
1304 | 6f97dba0 | aliguori | b = *(uint8_t *)arg; |
1305 | 6f97dba0 | aliguori | if (ioctl(fd, PPWCONTROL, &b) < 0) |
1306 | 6f97dba0 | aliguori | return -ENOTSUP;
|
1307 | 6f97dba0 | aliguori | break;
|
1308 | 6f97dba0 | aliguori | case CHR_IOCTL_PP_READ_STATUS:
|
1309 | 6f97dba0 | aliguori | if (ioctl(fd, PPRSTATUS, &b) < 0) |
1310 | 6f97dba0 | aliguori | return -ENOTSUP;
|
1311 | 6f97dba0 | aliguori | *(uint8_t *)arg = b; |
1312 | 6f97dba0 | aliguori | break;
|
1313 | 6f97dba0 | aliguori | case CHR_IOCTL_PP_DATA_DIR:
|
1314 | 6f97dba0 | aliguori | if (ioctl(fd, PPDATADIR, (int *)arg) < 0) |
1315 | 6f97dba0 | aliguori | return -ENOTSUP;
|
1316 | 6f97dba0 | aliguori | break;
|
1317 | 6f97dba0 | aliguori | case CHR_IOCTL_PP_EPP_READ_ADDR:
|
1318 | 6f97dba0 | aliguori | if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
|
1319 | 6f97dba0 | aliguori | struct ParallelIOArg *parg = arg;
|
1320 | 6f97dba0 | aliguori | int n = read(fd, parg->buffer, parg->count);
|
1321 | 6f97dba0 | aliguori | if (n != parg->count) {
|
1322 | 6f97dba0 | aliguori | return -EIO;
|
1323 | 6f97dba0 | aliguori | } |
1324 | 6f97dba0 | aliguori | } |
1325 | 6f97dba0 | aliguori | break;
|
1326 | 6f97dba0 | aliguori | case CHR_IOCTL_PP_EPP_READ:
|
1327 | 6f97dba0 | aliguori | if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
|
1328 | 6f97dba0 | aliguori | struct ParallelIOArg *parg = arg;
|
1329 | 6f97dba0 | aliguori | int n = read(fd, parg->buffer, parg->count);
|
1330 | 6f97dba0 | aliguori | if (n != parg->count) {
|
1331 | 6f97dba0 | aliguori | return -EIO;
|
1332 | 6f97dba0 | aliguori | } |
1333 | 6f97dba0 | aliguori | } |
1334 | 6f97dba0 | aliguori | break;
|
1335 | 6f97dba0 | aliguori | case CHR_IOCTL_PP_EPP_WRITE_ADDR:
|
1336 | 6f97dba0 | aliguori | if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
|
1337 | 6f97dba0 | aliguori | struct ParallelIOArg *parg = arg;
|
1338 | 6f97dba0 | aliguori | int n = write(fd, parg->buffer, parg->count);
|
1339 | 6f97dba0 | aliguori | if (n != parg->count) {
|
1340 | 6f97dba0 | aliguori | return -EIO;
|
1341 | 6f97dba0 | aliguori | } |
1342 | 6f97dba0 | aliguori | } |
1343 | 6f97dba0 | aliguori | break;
|
1344 | 6f97dba0 | aliguori | case CHR_IOCTL_PP_EPP_WRITE:
|
1345 | 6f97dba0 | aliguori | if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
|
1346 | 6f97dba0 | aliguori | struct ParallelIOArg *parg = arg;
|
1347 | 6f97dba0 | aliguori | int n = write(fd, parg->buffer, parg->count);
|
1348 | 6f97dba0 | aliguori | if (n != parg->count) {
|
1349 | 6f97dba0 | aliguori | return -EIO;
|
1350 | 6f97dba0 | aliguori | } |
1351 | 6f97dba0 | aliguori | } |
1352 | 6f97dba0 | aliguori | break;
|
1353 | 6f97dba0 | aliguori | default:
|
1354 | 6f97dba0 | aliguori | return -ENOTSUP;
|
1355 | 6f97dba0 | aliguori | } |
1356 | 6f97dba0 | aliguori | return 0; |
1357 | 6f97dba0 | aliguori | } |
1358 | 6f97dba0 | aliguori | |
1359 | 6f97dba0 | aliguori | static void pp_close(CharDriverState *chr) |
1360 | 6f97dba0 | aliguori | { |
1361 | 6f97dba0 | aliguori | ParallelCharDriver *drv = chr->opaque; |
1362 | 6f97dba0 | aliguori | int fd = drv->fd;
|
1363 | 6f97dba0 | aliguori | |
1364 | 6f97dba0 | aliguori | pp_hw_mode(drv, IEEE1284_MODE_COMPAT); |
1365 | 6f97dba0 | aliguori | ioctl(fd, PPRELEASE); |
1366 | 6f97dba0 | aliguori | close(fd); |
1367 | 7267c094 | Anthony Liguori | g_free(drv); |
1368 | a425d23f | Hans de Goede | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
1369 | 6f97dba0 | aliguori | } |
1370 | 6f97dba0 | aliguori | |
1371 | 88a946d3 | Gerd Hoffmann | static CharDriverState *qemu_chr_open_pp_fd(int fd) |
1372 | 6f97dba0 | aliguori | { |
1373 | 6f97dba0 | aliguori | CharDriverState *chr; |
1374 | 6f97dba0 | aliguori | ParallelCharDriver *drv; |
1375 | 6f97dba0 | aliguori | |
1376 | 6f97dba0 | aliguori | if (ioctl(fd, PPCLAIM) < 0) { |
1377 | 6f97dba0 | aliguori | close(fd); |
1378 | 1f51470d | Markus Armbruster | return NULL; |
1379 | 6f97dba0 | aliguori | } |
1380 | 6f97dba0 | aliguori | |
1381 | 7267c094 | Anthony Liguori | drv = g_malloc0(sizeof(ParallelCharDriver));
|
1382 | 6f97dba0 | aliguori | drv->fd = fd; |
1383 | 6f97dba0 | aliguori | drv->mode = IEEE1284_MODE_COMPAT; |
1384 | 6f97dba0 | aliguori | |
1385 | 7267c094 | Anthony Liguori | chr = g_malloc0(sizeof(CharDriverState));
|
1386 | 6f97dba0 | aliguori | chr->chr_write = null_chr_write; |
1387 | 6f97dba0 | aliguori | chr->chr_ioctl = pp_ioctl; |
1388 | 6f97dba0 | aliguori | chr->chr_close = pp_close; |
1389 | 6f97dba0 | aliguori | chr->opaque = drv; |
1390 | 6f97dba0 | aliguori | |
1391 | 127338e6 | Amit Shah | qemu_chr_generic_open(chr); |
1392 | 6f97dba0 | aliguori | |
1393 | 1f51470d | Markus Armbruster | return chr;
|
1394 | 6f97dba0 | aliguori | } |
1395 | 6f97dba0 | aliguori | #endif /* __linux__ */ |
1396 | 6f97dba0 | aliguori | |
1397 | a167ba50 | Aurelien Jarno | #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
|
1398 | e551498e | Gerd Hoffmann | |
1399 | e551498e | Gerd Hoffmann | #define HAVE_CHARDEV_PARPORT 1 |
1400 | e551498e | Gerd Hoffmann | |
1401 | 6972f935 | blueswir1 | static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) |
1402 | 6972f935 | blueswir1 | { |
1403 | e0efb993 | Stefan Weil | int fd = (int)(intptr_t)chr->opaque; |
1404 | 6972f935 | blueswir1 | uint8_t b; |
1405 | 6972f935 | blueswir1 | |
1406 | 6972f935 | blueswir1 | switch(cmd) {
|
1407 | 6972f935 | blueswir1 | case CHR_IOCTL_PP_READ_DATA:
|
1408 | 6972f935 | blueswir1 | if (ioctl(fd, PPIGDATA, &b) < 0) |
1409 | 6972f935 | blueswir1 | return -ENOTSUP;
|
1410 | 6972f935 | blueswir1 | *(uint8_t *)arg = b; |
1411 | 6972f935 | blueswir1 | break;
|
1412 | 6972f935 | blueswir1 | case CHR_IOCTL_PP_WRITE_DATA:
|
1413 | 6972f935 | blueswir1 | b = *(uint8_t *)arg; |
1414 | 6972f935 | blueswir1 | if (ioctl(fd, PPISDATA, &b) < 0) |
1415 | 6972f935 | blueswir1 | return -ENOTSUP;
|
1416 | 6972f935 | blueswir1 | break;
|
1417 | 6972f935 | blueswir1 | case CHR_IOCTL_PP_READ_CONTROL:
|
1418 | 6972f935 | blueswir1 | if (ioctl(fd, PPIGCTRL, &b) < 0) |
1419 | 6972f935 | blueswir1 | return -ENOTSUP;
|
1420 | 6972f935 | blueswir1 | *(uint8_t *)arg = b; |
1421 | 6972f935 | blueswir1 | break;
|
1422 | 6972f935 | blueswir1 | case CHR_IOCTL_PP_WRITE_CONTROL:
|
1423 | 6972f935 | blueswir1 | b = *(uint8_t *)arg; |
1424 | 6972f935 | blueswir1 | if (ioctl(fd, PPISCTRL, &b) < 0) |
1425 | 6972f935 | blueswir1 | return -ENOTSUP;
|
1426 | 6972f935 | blueswir1 | break;
|
1427 | 6972f935 | blueswir1 | case CHR_IOCTL_PP_READ_STATUS:
|
1428 | 6972f935 | blueswir1 | if (ioctl(fd, PPIGSTATUS, &b) < 0) |
1429 | 6972f935 | blueswir1 | return -ENOTSUP;
|
1430 | 6972f935 | blueswir1 | *(uint8_t *)arg = b; |
1431 | 6972f935 | blueswir1 | break;
|
1432 | 6972f935 | blueswir1 | default:
|
1433 | 6972f935 | blueswir1 | return -ENOTSUP;
|
1434 | 6972f935 | blueswir1 | } |
1435 | 6972f935 | blueswir1 | return 0; |
1436 | 6972f935 | blueswir1 | } |
1437 | 6972f935 | blueswir1 | |
1438 | 88a946d3 | Gerd Hoffmann | static CharDriverState *qemu_chr_open_pp_fd(int fd) |
1439 | 6972f935 | blueswir1 | { |
1440 | 6972f935 | blueswir1 | CharDriverState *chr; |
1441 | 6972f935 | blueswir1 | |
1442 | 7267c094 | Anthony Liguori | chr = g_malloc0(sizeof(CharDriverState));
|
1443 | e0efb993 | Stefan Weil | chr->opaque = (void *)(intptr_t)fd;
|
1444 | 6972f935 | blueswir1 | chr->chr_write = null_chr_write; |
1445 | 6972f935 | blueswir1 | chr->chr_ioctl = pp_ioctl; |
1446 | 1f51470d | Markus Armbruster | return chr;
|
1447 | 6972f935 | blueswir1 | } |
1448 | 6972f935 | blueswir1 | #endif
|
1449 | 6972f935 | blueswir1 | |
1450 | 6f97dba0 | aliguori | #else /* _WIN32 */ |
1451 | 6f97dba0 | aliguori | |
1452 | db418a0a | Fabien Chouteau | static CharDriverState *stdio_clients[STDIO_MAX_CLIENTS];
|
1453 | db418a0a | Fabien Chouteau | |
1454 | 6f97dba0 | aliguori | typedef struct { |
1455 | 6f97dba0 | aliguori | int max_size;
|
1456 | 6f97dba0 | aliguori | HANDLE hcom, hrecv, hsend; |
1457 | 6f97dba0 | aliguori | OVERLAPPED orecv, osend; |
1458 | 6f97dba0 | aliguori | BOOL fpipe; |
1459 | 6f97dba0 | aliguori | DWORD len; |
1460 | 6f97dba0 | aliguori | } WinCharState; |
1461 | 6f97dba0 | aliguori | |
1462 | db418a0a | Fabien Chouteau | typedef struct { |
1463 | db418a0a | Fabien Chouteau | HANDLE hStdIn; |
1464 | db418a0a | Fabien Chouteau | HANDLE hInputReadyEvent; |
1465 | db418a0a | Fabien Chouteau | HANDLE hInputDoneEvent; |
1466 | db418a0a | Fabien Chouteau | HANDLE hInputThread; |
1467 | db418a0a | Fabien Chouteau | uint8_t win_stdio_buf; |
1468 | db418a0a | Fabien Chouteau | } WinStdioCharState; |
1469 | db418a0a | Fabien Chouteau | |
1470 | 6f97dba0 | aliguori | #define NSENDBUF 2048 |
1471 | 6f97dba0 | aliguori | #define NRECVBUF 2048 |
1472 | 6f97dba0 | aliguori | #define MAXCONNECT 1 |
1473 | 6f97dba0 | aliguori | #define NTIMEOUT 5000 |
1474 | 6f97dba0 | aliguori | |
1475 | 6f97dba0 | aliguori | static int win_chr_poll(void *opaque); |
1476 | 6f97dba0 | aliguori | static int win_chr_pipe_poll(void *opaque); |
1477 | 6f97dba0 | aliguori | |
1478 | 6f97dba0 | aliguori | static void win_chr_close(CharDriverState *chr) |
1479 | 6f97dba0 | aliguori | { |
1480 | 6f97dba0 | aliguori | WinCharState *s = chr->opaque; |
1481 | 6f97dba0 | aliguori | |
1482 | 6f97dba0 | aliguori | if (s->hsend) {
|
1483 | 6f97dba0 | aliguori | CloseHandle(s->hsend); |
1484 | 6f97dba0 | aliguori | s->hsend = NULL;
|
1485 | 6f97dba0 | aliguori | } |
1486 | 6f97dba0 | aliguori | if (s->hrecv) {
|
1487 | 6f97dba0 | aliguori | CloseHandle(s->hrecv); |
1488 | 6f97dba0 | aliguori | s->hrecv = NULL;
|
1489 | 6f97dba0 | aliguori | } |
1490 | 6f97dba0 | aliguori | if (s->hcom) {
|
1491 | 6f97dba0 | aliguori | CloseHandle(s->hcom); |
1492 | 6f97dba0 | aliguori | s->hcom = NULL;
|
1493 | 6f97dba0 | aliguori | } |
1494 | 6f97dba0 | aliguori | if (s->fpipe)
|
1495 | 6f97dba0 | aliguori | qemu_del_polling_cb(win_chr_pipe_poll, chr); |
1496 | 6f97dba0 | aliguori | else
|
1497 | 6f97dba0 | aliguori | qemu_del_polling_cb(win_chr_poll, chr); |
1498 | 793cbfb5 | Amit Shah | |
1499 | a425d23f | Hans de Goede | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
1500 | 6f97dba0 | aliguori | } |
1501 | 6f97dba0 | aliguori | |
1502 | 6f97dba0 | aliguori | static int win_chr_init(CharDriverState *chr, const char *filename) |
1503 | 6f97dba0 | aliguori | { |
1504 | 6f97dba0 | aliguori | WinCharState *s = chr->opaque; |
1505 | 6f97dba0 | aliguori | COMMCONFIG comcfg; |
1506 | 6f97dba0 | aliguori | COMMTIMEOUTS cto = { 0, 0, 0, 0, 0}; |
1507 | 6f97dba0 | aliguori | COMSTAT comstat; |
1508 | 6f97dba0 | aliguori | DWORD size; |
1509 | 6f97dba0 | aliguori | DWORD err; |
1510 | 6f97dba0 | aliguori | |
1511 | 6f97dba0 | aliguori | s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); |
1512 | 6f97dba0 | aliguori | if (!s->hsend) {
|
1513 | 6f97dba0 | aliguori | fprintf(stderr, "Failed CreateEvent\n");
|
1514 | 6f97dba0 | aliguori | goto fail;
|
1515 | 6f97dba0 | aliguori | } |
1516 | 6f97dba0 | aliguori | s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); |
1517 | 6f97dba0 | aliguori | if (!s->hrecv) {
|
1518 | 6f97dba0 | aliguori | fprintf(stderr, "Failed CreateEvent\n");
|
1519 | 6f97dba0 | aliguori | goto fail;
|
1520 | 6f97dba0 | aliguori | } |
1521 | 6f97dba0 | aliguori | |
1522 | 6f97dba0 | aliguori | s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL, |
1523 | 6f97dba0 | aliguori | OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0);
|
1524 | 6f97dba0 | aliguori | if (s->hcom == INVALID_HANDLE_VALUE) {
|
1525 | 6f97dba0 | aliguori | fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError());
|
1526 | 6f97dba0 | aliguori | s->hcom = NULL;
|
1527 | 6f97dba0 | aliguori | goto fail;
|
1528 | 6f97dba0 | aliguori | } |
1529 | 6f97dba0 | aliguori | |
1530 | 6f97dba0 | aliguori | if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) {
|
1531 | 6f97dba0 | aliguori | fprintf(stderr, "Failed SetupComm\n");
|
1532 | 6f97dba0 | aliguori | goto fail;
|
1533 | 6f97dba0 | aliguori | } |
1534 | 6f97dba0 | aliguori | |
1535 | 6f97dba0 | aliguori | ZeroMemory(&comcfg, sizeof(COMMCONFIG));
|
1536 | 6f97dba0 | aliguori | size = sizeof(COMMCONFIG);
|
1537 | 6f97dba0 | aliguori | GetDefaultCommConfig(filename, &comcfg, &size); |
1538 | 6f97dba0 | aliguori | comcfg.dcb.DCBlength = sizeof(DCB);
|
1539 | 6f97dba0 | aliguori | CommConfigDialog(filename, NULL, &comcfg);
|
1540 | 6f97dba0 | aliguori | |
1541 | 6f97dba0 | aliguori | if (!SetCommState(s->hcom, &comcfg.dcb)) {
|
1542 | 6f97dba0 | aliguori | fprintf(stderr, "Failed SetCommState\n");
|
1543 | 6f97dba0 | aliguori | goto fail;
|
1544 | 6f97dba0 | aliguori | } |
1545 | 6f97dba0 | aliguori | |
1546 | 6f97dba0 | aliguori | if (!SetCommMask(s->hcom, EV_ERR)) {
|
1547 | 6f97dba0 | aliguori | fprintf(stderr, "Failed SetCommMask\n");
|
1548 | 6f97dba0 | aliguori | goto fail;
|
1549 | 6f97dba0 | aliguori | } |
1550 | 6f97dba0 | aliguori | |
1551 | 6f97dba0 | aliguori | cto.ReadIntervalTimeout = MAXDWORD; |
1552 | 6f97dba0 | aliguori | if (!SetCommTimeouts(s->hcom, &cto)) {
|
1553 | 6f97dba0 | aliguori | fprintf(stderr, "Failed SetCommTimeouts\n");
|
1554 | 6f97dba0 | aliguori | goto fail;
|
1555 | 6f97dba0 | aliguori | } |
1556 | 6f97dba0 | aliguori | |
1557 | 6f97dba0 | aliguori | if (!ClearCommError(s->hcom, &err, &comstat)) {
|
1558 | 6f97dba0 | aliguori | fprintf(stderr, "Failed ClearCommError\n");
|
1559 | 6f97dba0 | aliguori | goto fail;
|
1560 | 6f97dba0 | aliguori | } |
1561 | 6f97dba0 | aliguori | qemu_add_polling_cb(win_chr_poll, chr); |
1562 | 6f97dba0 | aliguori | return 0; |
1563 | 6f97dba0 | aliguori | |
1564 | 6f97dba0 | aliguori | fail:
|
1565 | 6f97dba0 | aliguori | win_chr_close(chr); |
1566 | 6f97dba0 | aliguori | return -1; |
1567 | 6f97dba0 | aliguori | } |
1568 | 6f97dba0 | aliguori | |
1569 | 6f97dba0 | aliguori | static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1) |
1570 | 6f97dba0 | aliguori | { |
1571 | 6f97dba0 | aliguori | WinCharState *s = chr->opaque; |
1572 | 6f97dba0 | aliguori | DWORD len, ret, size, err; |
1573 | 6f97dba0 | aliguori | |
1574 | 6f97dba0 | aliguori | len = len1; |
1575 | 6f97dba0 | aliguori | ZeroMemory(&s->osend, sizeof(s->osend));
|
1576 | 6f97dba0 | aliguori | s->osend.hEvent = s->hsend; |
1577 | 6f97dba0 | aliguori | while (len > 0) { |
1578 | 6f97dba0 | aliguori | if (s->hsend)
|
1579 | 6f97dba0 | aliguori | ret = WriteFile(s->hcom, buf, len, &size, &s->osend); |
1580 | 6f97dba0 | aliguori | else
|
1581 | 6f97dba0 | aliguori | ret = WriteFile(s->hcom, buf, len, &size, NULL);
|
1582 | 6f97dba0 | aliguori | if (!ret) {
|
1583 | 6f97dba0 | aliguori | err = GetLastError(); |
1584 | 6f97dba0 | aliguori | if (err == ERROR_IO_PENDING) {
|
1585 | 6f97dba0 | aliguori | ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE); |
1586 | 6f97dba0 | aliguori | if (ret) {
|
1587 | 6f97dba0 | aliguori | buf += size; |
1588 | 6f97dba0 | aliguori | len -= size; |
1589 | 6f97dba0 | aliguori | } else {
|
1590 | 6f97dba0 | aliguori | break;
|
1591 | 6f97dba0 | aliguori | } |
1592 | 6f97dba0 | aliguori | } else {
|
1593 | 6f97dba0 | aliguori | break;
|
1594 | 6f97dba0 | aliguori | } |
1595 | 6f97dba0 | aliguori | } else {
|
1596 | 6f97dba0 | aliguori | buf += size; |
1597 | 6f97dba0 | aliguori | len -= size; |
1598 | 6f97dba0 | aliguori | } |
1599 | 6f97dba0 | aliguori | } |
1600 | 6f97dba0 | aliguori | return len1 - len;
|
1601 | 6f97dba0 | aliguori | } |
1602 | 6f97dba0 | aliguori | |
1603 | 6f97dba0 | aliguori | static int win_chr_read_poll(CharDriverState *chr) |
1604 | 6f97dba0 | aliguori | { |
1605 | 6f97dba0 | aliguori | WinCharState *s = chr->opaque; |
1606 | 6f97dba0 | aliguori | |
1607 | 909cda12 | Anthony Liguori | s->max_size = qemu_chr_be_can_write(chr); |
1608 | 6f97dba0 | aliguori | return s->max_size;
|
1609 | 6f97dba0 | aliguori | } |
1610 | 6f97dba0 | aliguori | |
1611 | 6f97dba0 | aliguori | static void win_chr_readfile(CharDriverState *chr) |
1612 | 6f97dba0 | aliguori | { |
1613 | 6f97dba0 | aliguori | WinCharState *s = chr->opaque; |
1614 | 6f97dba0 | aliguori | int ret, err;
|
1615 | 9bd7854e | Amit Shah | uint8_t buf[READ_BUF_LEN]; |
1616 | 6f97dba0 | aliguori | DWORD size; |
1617 | 6f97dba0 | aliguori | |
1618 | 6f97dba0 | aliguori | ZeroMemory(&s->orecv, sizeof(s->orecv));
|
1619 | 6f97dba0 | aliguori | s->orecv.hEvent = s->hrecv; |
1620 | 6f97dba0 | aliguori | ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv); |
1621 | 6f97dba0 | aliguori | if (!ret) {
|
1622 | 6f97dba0 | aliguori | err = GetLastError(); |
1623 | 6f97dba0 | aliguori | if (err == ERROR_IO_PENDING) {
|
1624 | 6f97dba0 | aliguori | ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE); |
1625 | 6f97dba0 | aliguori | } |
1626 | 6f97dba0 | aliguori | } |
1627 | 6f97dba0 | aliguori | |
1628 | 6f97dba0 | aliguori | if (size > 0) { |
1629 | fa5efccb | Anthony Liguori | qemu_chr_be_write(chr, buf, size); |
1630 | 6f97dba0 | aliguori | } |
1631 | 6f97dba0 | aliguori | } |
1632 | 6f97dba0 | aliguori | |
1633 | 6f97dba0 | aliguori | static void win_chr_read(CharDriverState *chr) |
1634 | 6f97dba0 | aliguori | { |
1635 | 6f97dba0 | aliguori | WinCharState *s = chr->opaque; |
1636 | 6f97dba0 | aliguori | |
1637 | 6f97dba0 | aliguori | if (s->len > s->max_size)
|
1638 | 6f97dba0 | aliguori | s->len = s->max_size; |
1639 | 6f97dba0 | aliguori | if (s->len == 0) |
1640 | 6f97dba0 | aliguori | return;
|
1641 | 6f97dba0 | aliguori | |
1642 | 6f97dba0 | aliguori | win_chr_readfile(chr); |
1643 | 6f97dba0 | aliguori | } |
1644 | 6f97dba0 | aliguori | |
1645 | 6f97dba0 | aliguori | static int win_chr_poll(void *opaque) |
1646 | 6f97dba0 | aliguori | { |
1647 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
1648 | 6f97dba0 | aliguori | WinCharState *s = chr->opaque; |
1649 | 6f97dba0 | aliguori | COMSTAT status; |
1650 | 6f97dba0 | aliguori | DWORD comerr; |
1651 | 6f97dba0 | aliguori | |
1652 | 6f97dba0 | aliguori | ClearCommError(s->hcom, &comerr, &status); |
1653 | 6f97dba0 | aliguori | if (status.cbInQue > 0) { |
1654 | 6f97dba0 | aliguori | s->len = status.cbInQue; |
1655 | 6f97dba0 | aliguori | win_chr_read_poll(chr); |
1656 | 6f97dba0 | aliguori | win_chr_read(chr); |
1657 | 6f97dba0 | aliguori | return 1; |
1658 | 6f97dba0 | aliguori | } |
1659 | 6f97dba0 | aliguori | return 0; |
1660 | 6f97dba0 | aliguori | } |
1661 | 6f97dba0 | aliguori | |
1662 | d59044ef | Gerd Hoffmann | static CharDriverState *qemu_chr_open_win_path(const char *filename) |
1663 | 6f97dba0 | aliguori | { |
1664 | 6f97dba0 | aliguori | CharDriverState *chr; |
1665 | 6f97dba0 | aliguori | WinCharState *s; |
1666 | 6f97dba0 | aliguori | |
1667 | 7267c094 | Anthony Liguori | chr = g_malloc0(sizeof(CharDriverState));
|
1668 | 7267c094 | Anthony Liguori | s = g_malloc0(sizeof(WinCharState));
|
1669 | 6f97dba0 | aliguori | chr->opaque = s; |
1670 | 6f97dba0 | aliguori | chr->chr_write = win_chr_write; |
1671 | 6f97dba0 | aliguori | chr->chr_close = win_chr_close; |
1672 | 6f97dba0 | aliguori | |
1673 | 6f97dba0 | aliguori | if (win_chr_init(chr, filename) < 0) { |
1674 | 2e02e18b | Stefan Weil | g_free(s); |
1675 | 2e02e18b | Stefan Weil | g_free(chr); |
1676 | 1f51470d | Markus Armbruster | return NULL; |
1677 | 6f97dba0 | aliguori | } |
1678 | 127338e6 | Amit Shah | qemu_chr_generic_open(chr); |
1679 | 1f51470d | Markus Armbruster | return chr;
|
1680 | 6f97dba0 | aliguori | } |
1681 | 6f97dba0 | aliguori | |
1682 | d59044ef | Gerd Hoffmann | static CharDriverState *qemu_chr_open_win(QemuOpts *opts)
|
1683 | d59044ef | Gerd Hoffmann | { |
1684 | d59044ef | Gerd Hoffmann | return qemu_chr_open_win_path(qemu_opt_get(opts, "path")); |
1685 | d59044ef | Gerd Hoffmann | } |
1686 | d59044ef | Gerd Hoffmann | |
1687 | 6f97dba0 | aliguori | static int win_chr_pipe_poll(void *opaque) |
1688 | 6f97dba0 | aliguori | { |
1689 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
1690 | 6f97dba0 | aliguori | WinCharState *s = chr->opaque; |
1691 | 6f97dba0 | aliguori | DWORD size; |
1692 | 6f97dba0 | aliguori | |
1693 | 6f97dba0 | aliguori | PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL); |
1694 | 6f97dba0 | aliguori | if (size > 0) { |
1695 | 6f97dba0 | aliguori | s->len = size; |
1696 | 6f97dba0 | aliguori | win_chr_read_poll(chr); |
1697 | 6f97dba0 | aliguori | win_chr_read(chr); |
1698 | 6f97dba0 | aliguori | return 1; |
1699 | 6f97dba0 | aliguori | } |
1700 | 6f97dba0 | aliguori | return 0; |
1701 | 6f97dba0 | aliguori | } |
1702 | 6f97dba0 | aliguori | |
1703 | 6f97dba0 | aliguori | static int win_chr_pipe_init(CharDriverState *chr, const char *filename) |
1704 | 6f97dba0 | aliguori | { |
1705 | 6f97dba0 | aliguori | WinCharState *s = chr->opaque; |
1706 | 6f97dba0 | aliguori | OVERLAPPED ov; |
1707 | 6f97dba0 | aliguori | int ret;
|
1708 | 6f97dba0 | aliguori | DWORD size; |
1709 | 6f97dba0 | aliguori | char openname[256]; |
1710 | 6f97dba0 | aliguori | |
1711 | 6f97dba0 | aliguori | s->fpipe = TRUE; |
1712 | 6f97dba0 | aliguori | |
1713 | 6f97dba0 | aliguori | s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); |
1714 | 6f97dba0 | aliguori | if (!s->hsend) {
|
1715 | 6f97dba0 | aliguori | fprintf(stderr, "Failed CreateEvent\n");
|
1716 | 6f97dba0 | aliguori | goto fail;
|
1717 | 6f97dba0 | aliguori | } |
1718 | 6f97dba0 | aliguori | s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); |
1719 | 6f97dba0 | aliguori | if (!s->hrecv) {
|
1720 | 6f97dba0 | aliguori | fprintf(stderr, "Failed CreateEvent\n");
|
1721 | 6f97dba0 | aliguori | goto fail;
|
1722 | 6f97dba0 | aliguori | } |
1723 | 6f97dba0 | aliguori | |
1724 | 6f97dba0 | aliguori | snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename); |
1725 | 6f97dba0 | aliguori | s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED, |
1726 | 6f97dba0 | aliguori | PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | |
1727 | 6f97dba0 | aliguori | PIPE_WAIT, |
1728 | 6f97dba0 | aliguori | MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL);
|
1729 | 6f97dba0 | aliguori | if (s->hcom == INVALID_HANDLE_VALUE) {
|
1730 | 6f97dba0 | aliguori | fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError());
|
1731 | 6f97dba0 | aliguori | s->hcom = NULL;
|
1732 | 6f97dba0 | aliguori | goto fail;
|
1733 | 6f97dba0 | aliguori | } |
1734 | 6f97dba0 | aliguori | |
1735 | 6f97dba0 | aliguori | ZeroMemory(&ov, sizeof(ov));
|
1736 | 6f97dba0 | aliguori | ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL); |
1737 | 6f97dba0 | aliguori | ret = ConnectNamedPipe(s->hcom, &ov); |
1738 | 6f97dba0 | aliguori | if (ret) {
|
1739 | 6f97dba0 | aliguori | fprintf(stderr, "Failed ConnectNamedPipe\n");
|
1740 | 6f97dba0 | aliguori | goto fail;
|
1741 | 6f97dba0 | aliguori | } |
1742 | 6f97dba0 | aliguori | |
1743 | 6f97dba0 | aliguori | ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE); |
1744 | 6f97dba0 | aliguori | if (!ret) {
|
1745 | 6f97dba0 | aliguori | fprintf(stderr, "Failed GetOverlappedResult\n");
|
1746 | 6f97dba0 | aliguori | if (ov.hEvent) {
|
1747 | 6f97dba0 | aliguori | CloseHandle(ov.hEvent); |
1748 | 6f97dba0 | aliguori | ov.hEvent = NULL;
|
1749 | 6f97dba0 | aliguori | } |
1750 | 6f97dba0 | aliguori | goto fail;
|
1751 | 6f97dba0 | aliguori | } |
1752 | 6f97dba0 | aliguori | |
1753 | 6f97dba0 | aliguori | if (ov.hEvent) {
|
1754 | 6f97dba0 | aliguori | CloseHandle(ov.hEvent); |
1755 | 6f97dba0 | aliguori | ov.hEvent = NULL;
|
1756 | 6f97dba0 | aliguori | } |
1757 | 6f97dba0 | aliguori | qemu_add_polling_cb(win_chr_pipe_poll, chr); |
1758 | 6f97dba0 | aliguori | return 0; |
1759 | 6f97dba0 | aliguori | |
1760 | 6f97dba0 | aliguori | fail:
|
1761 | 6f97dba0 | aliguori | win_chr_close(chr); |
1762 | 6f97dba0 | aliguori | return -1; |
1763 | 6f97dba0 | aliguori | } |
1764 | 6f97dba0 | aliguori | |
1765 | 6f97dba0 | aliguori | |
1766 | 1f51470d | Markus Armbruster | static CharDriverState *qemu_chr_open_win_pipe(QemuOpts *opts)
|
1767 | 6f97dba0 | aliguori | { |
1768 | 7d31544f | Gerd Hoffmann | const char *filename = qemu_opt_get(opts, "path"); |
1769 | 6f97dba0 | aliguori | CharDriverState *chr; |
1770 | 6f97dba0 | aliguori | WinCharState *s; |
1771 | 6f97dba0 | aliguori | |
1772 | 7267c094 | Anthony Liguori | chr = g_malloc0(sizeof(CharDriverState));
|
1773 | 7267c094 | Anthony Liguori | s = g_malloc0(sizeof(WinCharState));
|
1774 | 6f97dba0 | aliguori | chr->opaque = s; |
1775 | 6f97dba0 | aliguori | chr->chr_write = win_chr_write; |
1776 | 6f97dba0 | aliguori | chr->chr_close = win_chr_close; |
1777 | 6f97dba0 | aliguori | |
1778 | 6f97dba0 | aliguori | if (win_chr_pipe_init(chr, filename) < 0) { |
1779 | 2e02e18b | Stefan Weil | g_free(s); |
1780 | 2e02e18b | Stefan Weil | g_free(chr); |
1781 | 1f51470d | Markus Armbruster | return NULL; |
1782 | 6f97dba0 | aliguori | } |
1783 | 127338e6 | Amit Shah | qemu_chr_generic_open(chr); |
1784 | 1f51470d | Markus Armbruster | return chr;
|
1785 | 6f97dba0 | aliguori | } |
1786 | 6f97dba0 | aliguori | |
1787 | 1f51470d | Markus Armbruster | static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out)
|
1788 | 6f97dba0 | aliguori | { |
1789 | 6f97dba0 | aliguori | CharDriverState *chr; |
1790 | 6f97dba0 | aliguori | WinCharState *s; |
1791 | 6f97dba0 | aliguori | |
1792 | 7267c094 | Anthony Liguori | chr = g_malloc0(sizeof(CharDriverState));
|
1793 | 7267c094 | Anthony Liguori | s = g_malloc0(sizeof(WinCharState));
|
1794 | 6f97dba0 | aliguori | s->hcom = fd_out; |
1795 | 6f97dba0 | aliguori | chr->opaque = s; |
1796 | 6f97dba0 | aliguori | chr->chr_write = win_chr_write; |
1797 | 127338e6 | Amit Shah | qemu_chr_generic_open(chr); |
1798 | 1f51470d | Markus Armbruster | return chr;
|
1799 | 6f97dba0 | aliguori | } |
1800 | 6f97dba0 | aliguori | |
1801 | 1f51470d | Markus Armbruster | static CharDriverState *qemu_chr_open_win_con(QemuOpts *opts)
|
1802 | 6f97dba0 | aliguori | { |
1803 | 1f51470d | Markus Armbruster | return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE));
|
1804 | 6f97dba0 | aliguori | } |
1805 | 6f97dba0 | aliguori | |
1806 | 1f51470d | Markus Armbruster | static CharDriverState *qemu_chr_open_win_file_out(QemuOpts *opts)
|
1807 | 6f97dba0 | aliguori | { |
1808 | 7d31544f | Gerd Hoffmann | const char *file_out = qemu_opt_get(opts, "path"); |
1809 | 6f97dba0 | aliguori | HANDLE fd_out; |
1810 | 6f97dba0 | aliguori | |
1811 | 6f97dba0 | aliguori | fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL,
|
1812 | 6f97dba0 | aliguori | OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
|
1813 | a89dd6c3 | Markus Armbruster | if (fd_out == INVALID_HANDLE_VALUE) {
|
1814 | 1f51470d | Markus Armbruster | return NULL; |
1815 | a89dd6c3 | Markus Armbruster | } |
1816 | 6f97dba0 | aliguori | |
1817 | 1f51470d | Markus Armbruster | return qemu_chr_open_win_file(fd_out);
|
1818 | 6f97dba0 | aliguori | } |
1819 | db418a0a | Fabien Chouteau | |
1820 | db418a0a | Fabien Chouteau | static int win_stdio_write(CharDriverState *chr, const uint8_t *buf, int len) |
1821 | db418a0a | Fabien Chouteau | { |
1822 | db418a0a | Fabien Chouteau | HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE); |
1823 | db418a0a | Fabien Chouteau | DWORD dwSize; |
1824 | db418a0a | Fabien Chouteau | int len1;
|
1825 | db418a0a | Fabien Chouteau | |
1826 | db418a0a | Fabien Chouteau | len1 = len; |
1827 | db418a0a | Fabien Chouteau | |
1828 | db418a0a | Fabien Chouteau | while (len1 > 0) { |
1829 | db418a0a | Fabien Chouteau | if (!WriteFile(hStdOut, buf, len1, &dwSize, NULL)) { |
1830 | db418a0a | Fabien Chouteau | break;
|
1831 | db418a0a | Fabien Chouteau | } |
1832 | db418a0a | Fabien Chouteau | buf += dwSize; |
1833 | db418a0a | Fabien Chouteau | len1 -= dwSize; |
1834 | db418a0a | Fabien Chouteau | } |
1835 | db418a0a | Fabien Chouteau | |
1836 | db418a0a | Fabien Chouteau | return len - len1;
|
1837 | db418a0a | Fabien Chouteau | } |
1838 | db418a0a | Fabien Chouteau | |
1839 | db418a0a | Fabien Chouteau | static void win_stdio_wait_func(void *opaque) |
1840 | db418a0a | Fabien Chouteau | { |
1841 | db418a0a | Fabien Chouteau | CharDriverState *chr = opaque; |
1842 | db418a0a | Fabien Chouteau | WinStdioCharState *stdio = chr->opaque; |
1843 | db418a0a | Fabien Chouteau | INPUT_RECORD buf[4];
|
1844 | db418a0a | Fabien Chouteau | int ret;
|
1845 | db418a0a | Fabien Chouteau | DWORD dwSize; |
1846 | db418a0a | Fabien Chouteau | int i;
|
1847 | db418a0a | Fabien Chouteau | |
1848 | db418a0a | Fabien Chouteau | ret = ReadConsoleInput(stdio->hStdIn, buf, sizeof(buf) / sizeof(*buf), |
1849 | db418a0a | Fabien Chouteau | &dwSize); |
1850 | db418a0a | Fabien Chouteau | |
1851 | db418a0a | Fabien Chouteau | if (!ret) {
|
1852 | db418a0a | Fabien Chouteau | /* Avoid error storm */
|
1853 | db418a0a | Fabien Chouteau | qemu_del_wait_object(stdio->hStdIn, NULL, NULL); |
1854 | db418a0a | Fabien Chouteau | return;
|
1855 | db418a0a | Fabien Chouteau | } |
1856 | db418a0a | Fabien Chouteau | |
1857 | db418a0a | Fabien Chouteau | for (i = 0; i < dwSize; i++) { |
1858 | db418a0a | Fabien Chouteau | KEY_EVENT_RECORD *kev = &buf[i].Event.KeyEvent; |
1859 | db418a0a | Fabien Chouteau | |
1860 | db418a0a | Fabien Chouteau | if (buf[i].EventType == KEY_EVENT && kev->bKeyDown) {
|
1861 | db418a0a | Fabien Chouteau | int j;
|
1862 | db418a0a | Fabien Chouteau | if (kev->uChar.AsciiChar != 0) { |
1863 | db418a0a | Fabien Chouteau | for (j = 0; j < kev->wRepeatCount; j++) { |
1864 | db418a0a | Fabien Chouteau | if (qemu_chr_be_can_write(chr)) {
|
1865 | db418a0a | Fabien Chouteau | uint8_t c = kev->uChar.AsciiChar; |
1866 | db418a0a | Fabien Chouteau | qemu_chr_be_write(chr, &c, 1);
|
1867 | db418a0a | Fabien Chouteau | } |
1868 | db418a0a | Fabien Chouteau | } |
1869 | db418a0a | Fabien Chouteau | } |
1870 | db418a0a | Fabien Chouteau | } |
1871 | db418a0a | Fabien Chouteau | } |
1872 | db418a0a | Fabien Chouteau | } |
1873 | db418a0a | Fabien Chouteau | |
1874 | db418a0a | Fabien Chouteau | static DWORD WINAPI win_stdio_thread(LPVOID param)
|
1875 | db418a0a | Fabien Chouteau | { |
1876 | db418a0a | Fabien Chouteau | CharDriverState *chr = param; |
1877 | db418a0a | Fabien Chouteau | WinStdioCharState *stdio = chr->opaque; |
1878 | db418a0a | Fabien Chouteau | int ret;
|
1879 | db418a0a | Fabien Chouteau | DWORD dwSize; |
1880 | db418a0a | Fabien Chouteau | |
1881 | db418a0a | Fabien Chouteau | while (1) { |
1882 | db418a0a | Fabien Chouteau | |
1883 | db418a0a | Fabien Chouteau | /* Wait for one byte */
|
1884 | db418a0a | Fabien Chouteau | ret = ReadFile(stdio->hStdIn, &stdio->win_stdio_buf, 1, &dwSize, NULL); |
1885 | db418a0a | Fabien Chouteau | |
1886 | db418a0a | Fabien Chouteau | /* Exit in case of error, continue if nothing read */
|
1887 | db418a0a | Fabien Chouteau | if (!ret) {
|
1888 | db418a0a | Fabien Chouteau | break;
|
1889 | db418a0a | Fabien Chouteau | } |
1890 | db418a0a | Fabien Chouteau | if (!dwSize) {
|
1891 | db418a0a | Fabien Chouteau | continue;
|
1892 | db418a0a | Fabien Chouteau | } |
1893 | db418a0a | Fabien Chouteau | |
1894 | db418a0a | Fabien Chouteau | /* Some terminal emulator returns \r\n for Enter, just pass \n */
|
1895 | db418a0a | Fabien Chouteau | if (stdio->win_stdio_buf == '\r') { |
1896 | db418a0a | Fabien Chouteau | continue;
|
1897 | db418a0a | Fabien Chouteau | } |
1898 | db418a0a | Fabien Chouteau | |
1899 | db418a0a | Fabien Chouteau | /* Signal the main thread and wait until the byte was eaten */
|
1900 | db418a0a | Fabien Chouteau | if (!SetEvent(stdio->hInputReadyEvent)) {
|
1901 | db418a0a | Fabien Chouteau | break;
|
1902 | db418a0a | Fabien Chouteau | } |
1903 | db418a0a | Fabien Chouteau | if (WaitForSingleObject(stdio->hInputDoneEvent, INFINITE)
|
1904 | db418a0a | Fabien Chouteau | != WAIT_OBJECT_0) { |
1905 | db418a0a | Fabien Chouteau | break;
|
1906 | db418a0a | Fabien Chouteau | } |
1907 | db418a0a | Fabien Chouteau | } |
1908 | db418a0a | Fabien Chouteau | |
1909 | db418a0a | Fabien Chouteau | qemu_del_wait_object(stdio->hInputReadyEvent, NULL, NULL); |
1910 | db418a0a | Fabien Chouteau | return 0; |
1911 | db418a0a | Fabien Chouteau | } |
1912 | db418a0a | Fabien Chouteau | |
1913 | db418a0a | Fabien Chouteau | static void win_stdio_thread_wait_func(void *opaque) |
1914 | db418a0a | Fabien Chouteau | { |
1915 | db418a0a | Fabien Chouteau | CharDriverState *chr = opaque; |
1916 | db418a0a | Fabien Chouteau | WinStdioCharState *stdio = chr->opaque; |
1917 | db418a0a | Fabien Chouteau | |
1918 | db418a0a | Fabien Chouteau | if (qemu_chr_be_can_write(chr)) {
|
1919 | db418a0a | Fabien Chouteau | qemu_chr_be_write(chr, &stdio->win_stdio_buf, 1);
|
1920 | db418a0a | Fabien Chouteau | } |
1921 | db418a0a | Fabien Chouteau | |
1922 | db418a0a | Fabien Chouteau | SetEvent(stdio->hInputDoneEvent); |
1923 | db418a0a | Fabien Chouteau | } |
1924 | db418a0a | Fabien Chouteau | |
1925 | db418a0a | Fabien Chouteau | static void qemu_chr_set_echo_win_stdio(CharDriverState *chr, bool echo) |
1926 | db418a0a | Fabien Chouteau | { |
1927 | db418a0a | Fabien Chouteau | WinStdioCharState *stdio = chr->opaque; |
1928 | db418a0a | Fabien Chouteau | DWORD dwMode = 0;
|
1929 | db418a0a | Fabien Chouteau | |
1930 | db418a0a | Fabien Chouteau | GetConsoleMode(stdio->hStdIn, &dwMode); |
1931 | db418a0a | Fabien Chouteau | |
1932 | db418a0a | Fabien Chouteau | if (echo) {
|
1933 | db418a0a | Fabien Chouteau | SetConsoleMode(stdio->hStdIn, dwMode | ENABLE_ECHO_INPUT); |
1934 | db418a0a | Fabien Chouteau | } else {
|
1935 | db418a0a | Fabien Chouteau | SetConsoleMode(stdio->hStdIn, dwMode & ~ENABLE_ECHO_INPUT); |
1936 | db418a0a | Fabien Chouteau | } |
1937 | db418a0a | Fabien Chouteau | } |
1938 | db418a0a | Fabien Chouteau | |
1939 | db418a0a | Fabien Chouteau | static void win_stdio_close(CharDriverState *chr) |
1940 | db418a0a | Fabien Chouteau | { |
1941 | db418a0a | Fabien Chouteau | WinStdioCharState *stdio = chr->opaque; |
1942 | db418a0a | Fabien Chouteau | |
1943 | db418a0a | Fabien Chouteau | if (stdio->hInputReadyEvent != INVALID_HANDLE_VALUE) {
|
1944 | db418a0a | Fabien Chouteau | CloseHandle(stdio->hInputReadyEvent); |
1945 | db418a0a | Fabien Chouteau | } |
1946 | db418a0a | Fabien Chouteau | if (stdio->hInputDoneEvent != INVALID_HANDLE_VALUE) {
|
1947 | db418a0a | Fabien Chouteau | CloseHandle(stdio->hInputDoneEvent); |
1948 | db418a0a | Fabien Chouteau | } |
1949 | db418a0a | Fabien Chouteau | if (stdio->hInputThread != INVALID_HANDLE_VALUE) {
|
1950 | db418a0a | Fabien Chouteau | TerminateThread(stdio->hInputThread, 0);
|
1951 | db418a0a | Fabien Chouteau | } |
1952 | db418a0a | Fabien Chouteau | |
1953 | db418a0a | Fabien Chouteau | g_free(chr->opaque); |
1954 | db418a0a | Fabien Chouteau | g_free(chr); |
1955 | db418a0a | Fabien Chouteau | stdio_nb_clients--; |
1956 | db418a0a | Fabien Chouteau | } |
1957 | db418a0a | Fabien Chouteau | |
1958 | 1f51470d | Markus Armbruster | static CharDriverState *qemu_chr_open_win_stdio(QemuOpts *opts)
|
1959 | db418a0a | Fabien Chouteau | { |
1960 | db418a0a | Fabien Chouteau | CharDriverState *chr; |
1961 | db418a0a | Fabien Chouteau | WinStdioCharState *stdio; |
1962 | db418a0a | Fabien Chouteau | DWORD dwMode; |
1963 | db418a0a | Fabien Chouteau | int is_console = 0; |
1964 | db418a0a | Fabien Chouteau | |
1965 | db418a0a | Fabien Chouteau | if (stdio_nb_clients >= STDIO_MAX_CLIENTS
|
1966 | db418a0a | Fabien Chouteau | || ((display_type != DT_NOGRAPHIC) && (stdio_nb_clients != 0))) {
|
1967 | 1f51470d | Markus Armbruster | return NULL; |
1968 | db418a0a | Fabien Chouteau | } |
1969 | db418a0a | Fabien Chouteau | |
1970 | db418a0a | Fabien Chouteau | chr = g_malloc0(sizeof(CharDriverState));
|
1971 | db418a0a | Fabien Chouteau | stdio = g_malloc0(sizeof(WinStdioCharState));
|
1972 | db418a0a | Fabien Chouteau | |
1973 | db418a0a | Fabien Chouteau | stdio->hStdIn = GetStdHandle(STD_INPUT_HANDLE); |
1974 | db418a0a | Fabien Chouteau | if (stdio->hStdIn == INVALID_HANDLE_VALUE) {
|
1975 | db418a0a | Fabien Chouteau | fprintf(stderr, "cannot open stdio: invalid handle\n");
|
1976 | db418a0a | Fabien Chouteau | exit(1);
|
1977 | db418a0a | Fabien Chouteau | } |
1978 | db418a0a | Fabien Chouteau | |
1979 | db418a0a | Fabien Chouteau | is_console = GetConsoleMode(stdio->hStdIn, &dwMode) != 0;
|
1980 | db418a0a | Fabien Chouteau | |
1981 | db418a0a | Fabien Chouteau | chr->opaque = stdio; |
1982 | db418a0a | Fabien Chouteau | chr->chr_write = win_stdio_write; |
1983 | db418a0a | Fabien Chouteau | chr->chr_close = win_stdio_close; |
1984 | db418a0a | Fabien Chouteau | |
1985 | db418a0a | Fabien Chouteau | if (stdio_nb_clients == 0) { |
1986 | db418a0a | Fabien Chouteau | if (is_console) {
|
1987 | db418a0a | Fabien Chouteau | if (qemu_add_wait_object(stdio->hStdIn,
|
1988 | db418a0a | Fabien Chouteau | win_stdio_wait_func, chr)) { |
1989 | db418a0a | Fabien Chouteau | fprintf(stderr, "qemu_add_wait_object: failed\n");
|
1990 | db418a0a | Fabien Chouteau | } |
1991 | db418a0a | Fabien Chouteau | } else {
|
1992 | db418a0a | Fabien Chouteau | DWORD dwId; |
1993 | db418a0a | Fabien Chouteau | |
1994 | db418a0a | Fabien Chouteau | stdio->hInputReadyEvent = CreateEvent(NULL, FALSE, FALSE, NULL); |
1995 | db418a0a | Fabien Chouteau | stdio->hInputDoneEvent = CreateEvent(NULL, FALSE, FALSE, NULL); |
1996 | db418a0a | Fabien Chouteau | stdio->hInputThread = CreateThread(NULL, 0, win_stdio_thread, |
1997 | db418a0a | Fabien Chouteau | chr, 0, &dwId);
|
1998 | db418a0a | Fabien Chouteau | |
1999 | db418a0a | Fabien Chouteau | if (stdio->hInputThread == INVALID_HANDLE_VALUE
|
2000 | db418a0a | Fabien Chouteau | || stdio->hInputReadyEvent == INVALID_HANDLE_VALUE |
2001 | db418a0a | Fabien Chouteau | || stdio->hInputDoneEvent == INVALID_HANDLE_VALUE) { |
2002 | db418a0a | Fabien Chouteau | fprintf(stderr, "cannot create stdio thread or event\n");
|
2003 | db418a0a | Fabien Chouteau | exit(1);
|
2004 | db418a0a | Fabien Chouteau | } |
2005 | db418a0a | Fabien Chouteau | if (qemu_add_wait_object(stdio->hInputReadyEvent,
|
2006 | db418a0a | Fabien Chouteau | win_stdio_thread_wait_func, chr)) { |
2007 | db418a0a | Fabien Chouteau | fprintf(stderr, "qemu_add_wait_object: failed\n");
|
2008 | db418a0a | Fabien Chouteau | } |
2009 | db418a0a | Fabien Chouteau | } |
2010 | db418a0a | Fabien Chouteau | } |
2011 | db418a0a | Fabien Chouteau | |
2012 | db418a0a | Fabien Chouteau | dwMode |= ENABLE_LINE_INPUT; |
2013 | db418a0a | Fabien Chouteau | |
2014 | db418a0a | Fabien Chouteau | stdio_clients[stdio_nb_clients++] = chr; |
2015 | db418a0a | Fabien Chouteau | if (stdio_nb_clients == 1 && is_console) { |
2016 | db418a0a | Fabien Chouteau | /* set the terminal in raw mode */
|
2017 | db418a0a | Fabien Chouteau | /* ENABLE_QUICK_EDIT_MODE | ENABLE_EXTENDED_FLAGS */
|
2018 | db418a0a | Fabien Chouteau | dwMode |= ENABLE_PROCESSED_INPUT; |
2019 | db418a0a | Fabien Chouteau | } |
2020 | db418a0a | Fabien Chouteau | |
2021 | db418a0a | Fabien Chouteau | SetConsoleMode(stdio->hStdIn, dwMode); |
2022 | db418a0a | Fabien Chouteau | |
2023 | db418a0a | Fabien Chouteau | chr->chr_set_echo = qemu_chr_set_echo_win_stdio; |
2024 | db418a0a | Fabien Chouteau | qemu_chr_fe_set_echo(chr, false);
|
2025 | db418a0a | Fabien Chouteau | |
2026 | 1f51470d | Markus Armbruster | return chr;
|
2027 | db418a0a | Fabien Chouteau | } |
2028 | 6f97dba0 | aliguori | #endif /* !_WIN32 */ |
2029 | 6f97dba0 | aliguori | |
2030 | 6f97dba0 | aliguori | /***********************************************************/
|
2031 | 6f97dba0 | aliguori | /* UDP Net console */
|
2032 | 6f97dba0 | aliguori | |
2033 | 6f97dba0 | aliguori | typedef struct { |
2034 | 6f97dba0 | aliguori | int fd;
|
2035 | 9bd7854e | Amit Shah | uint8_t buf[READ_BUF_LEN]; |
2036 | 6f97dba0 | aliguori | int bufcnt;
|
2037 | 6f97dba0 | aliguori | int bufptr;
|
2038 | 6f97dba0 | aliguori | int max_size;
|
2039 | 6f97dba0 | aliguori | } NetCharDriver; |
2040 | 6f97dba0 | aliguori | |
2041 | 6f97dba0 | aliguori | static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
2042 | 6f97dba0 | aliguori | { |
2043 | 6f97dba0 | aliguori | NetCharDriver *s = chr->opaque; |
2044 | 6f97dba0 | aliguori | |
2045 | 7e1b35b4 | Gerd Hoffmann | return send(s->fd, (const void *)buf, len, 0); |
2046 | 6f97dba0 | aliguori | } |
2047 | 6f97dba0 | aliguori | |
2048 | 6f97dba0 | aliguori | static int udp_chr_read_poll(void *opaque) |
2049 | 6f97dba0 | aliguori | { |
2050 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
2051 | 6f97dba0 | aliguori | NetCharDriver *s = chr->opaque; |
2052 | 6f97dba0 | aliguori | |
2053 | 909cda12 | Anthony Liguori | s->max_size = qemu_chr_be_can_write(chr); |
2054 | 6f97dba0 | aliguori | |
2055 | 6f97dba0 | aliguori | /* If there were any stray characters in the queue process them
|
2056 | 6f97dba0 | aliguori | * first
|
2057 | 6f97dba0 | aliguori | */
|
2058 | 6f97dba0 | aliguori | while (s->max_size > 0 && s->bufptr < s->bufcnt) { |
2059 | fa5efccb | Anthony Liguori | qemu_chr_be_write(chr, &s->buf[s->bufptr], 1);
|
2060 | 6f97dba0 | aliguori | s->bufptr++; |
2061 | 909cda12 | Anthony Liguori | s->max_size = qemu_chr_be_can_write(chr); |
2062 | 6f97dba0 | aliguori | } |
2063 | 6f97dba0 | aliguori | return s->max_size;
|
2064 | 6f97dba0 | aliguori | } |
2065 | 6f97dba0 | aliguori | |
2066 | 6f97dba0 | aliguori | static void udp_chr_read(void *opaque) |
2067 | 6f97dba0 | aliguori | { |
2068 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
2069 | 6f97dba0 | aliguori | NetCharDriver *s = chr->opaque; |
2070 | 6f97dba0 | aliguori | |
2071 | 6f97dba0 | aliguori | if (s->max_size == 0) |
2072 | 6f97dba0 | aliguori | return;
|
2073 | 00aa0040 | Blue Swirl | s->bufcnt = qemu_recv(s->fd, s->buf, sizeof(s->buf), 0); |
2074 | 6f97dba0 | aliguori | s->bufptr = s->bufcnt; |
2075 | 6f97dba0 | aliguori | if (s->bufcnt <= 0) |
2076 | 6f97dba0 | aliguori | return;
|
2077 | 6f97dba0 | aliguori | |
2078 | 6f97dba0 | aliguori | s->bufptr = 0;
|
2079 | 6f97dba0 | aliguori | while (s->max_size > 0 && s->bufptr < s->bufcnt) { |
2080 | fa5efccb | Anthony Liguori | qemu_chr_be_write(chr, &s->buf[s->bufptr], 1);
|
2081 | 6f97dba0 | aliguori | s->bufptr++; |
2082 | 909cda12 | Anthony Liguori | s->max_size = qemu_chr_be_can_write(chr); |
2083 | 6f97dba0 | aliguori | } |
2084 | 6f97dba0 | aliguori | } |
2085 | 6f97dba0 | aliguori | |
2086 | 6f97dba0 | aliguori | static void udp_chr_update_read_handler(CharDriverState *chr) |
2087 | 6f97dba0 | aliguori | { |
2088 | 6f97dba0 | aliguori | NetCharDriver *s = chr->opaque; |
2089 | 6f97dba0 | aliguori | |
2090 | 6f97dba0 | aliguori | if (s->fd >= 0) { |
2091 | 6f97dba0 | aliguori | qemu_set_fd_handler2(s->fd, udp_chr_read_poll, |
2092 | 6f97dba0 | aliguori | udp_chr_read, NULL, chr);
|
2093 | 6f97dba0 | aliguori | } |
2094 | 6f97dba0 | aliguori | } |
2095 | 6f97dba0 | aliguori | |
2096 | 819f56b7 | aliguori | static void udp_chr_close(CharDriverState *chr) |
2097 | 819f56b7 | aliguori | { |
2098 | 819f56b7 | aliguori | NetCharDriver *s = chr->opaque; |
2099 | 819f56b7 | aliguori | if (s->fd >= 0) { |
2100 | 069c159e | Marcelo Tosatti | qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL); |
2101 | 819f56b7 | aliguori | closesocket(s->fd); |
2102 | 819f56b7 | aliguori | } |
2103 | 7267c094 | Anthony Liguori | g_free(s); |
2104 | a425d23f | Hans de Goede | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
2105 | 819f56b7 | aliguori | } |
2106 | 819f56b7 | aliguori | |
2107 | 1f51470d | Markus Armbruster | static CharDriverState *qemu_chr_open_udp(QemuOpts *opts)
|
2108 | 6f97dba0 | aliguori | { |
2109 | 6f97dba0 | aliguori | CharDriverState *chr = NULL;
|
2110 | 6f97dba0 | aliguori | NetCharDriver *s = NULL;
|
2111 | 87d5f24f | Paolo Bonzini | Error *local_err = NULL;
|
2112 | 6f97dba0 | aliguori | int fd = -1; |
2113 | 6f97dba0 | aliguori | |
2114 | 7267c094 | Anthony Liguori | chr = g_malloc0(sizeof(CharDriverState));
|
2115 | 7267c094 | Anthony Liguori | s = g_malloc0(sizeof(NetCharDriver));
|
2116 | 6f97dba0 | aliguori | |
2117 | 87d5f24f | Paolo Bonzini | fd = inet_dgram_opts(opts, &local_err); |
2118 | 6f97dba0 | aliguori | if (fd < 0) { |
2119 | 6f97dba0 | aliguori | goto return_err;
|
2120 | 6f97dba0 | aliguori | } |
2121 | 6f97dba0 | aliguori | |
2122 | 6f97dba0 | aliguori | s->fd = fd; |
2123 | 6f97dba0 | aliguori | s->bufcnt = 0;
|
2124 | 6f97dba0 | aliguori | s->bufptr = 0;
|
2125 | 6f97dba0 | aliguori | chr->opaque = s; |
2126 | 6f97dba0 | aliguori | chr->chr_write = udp_chr_write; |
2127 | 6f97dba0 | aliguori | chr->chr_update_read_handler = udp_chr_update_read_handler; |
2128 | 819f56b7 | aliguori | chr->chr_close = udp_chr_close; |
2129 | 1f51470d | Markus Armbruster | return chr;
|
2130 | 6f97dba0 | aliguori | |
2131 | 6f97dba0 | aliguori | return_err:
|
2132 | 87d5f24f | Paolo Bonzini | if (local_err) {
|
2133 | 87d5f24f | Paolo Bonzini | qerror_report_err(local_err); |
2134 | 87d5f24f | Paolo Bonzini | error_free(local_err); |
2135 | 87d5f24f | Paolo Bonzini | } |
2136 | 7267c094 | Anthony Liguori | g_free(chr); |
2137 | 7267c094 | Anthony Liguori | g_free(s); |
2138 | 6e1db57b | Kevin Wolf | if (fd >= 0) { |
2139 | 6f97dba0 | aliguori | closesocket(fd); |
2140 | 6e1db57b | Kevin Wolf | } |
2141 | 1f51470d | Markus Armbruster | return NULL; |
2142 | 6f97dba0 | aliguori | } |
2143 | 6f97dba0 | aliguori | |
2144 | 6f97dba0 | aliguori | /***********************************************************/
|
2145 | 6f97dba0 | aliguori | /* TCP Net console */
|
2146 | 6f97dba0 | aliguori | |
2147 | 6f97dba0 | aliguori | typedef struct { |
2148 | 6f97dba0 | aliguori | int fd, listen_fd;
|
2149 | 6f97dba0 | aliguori | int connected;
|
2150 | 6f97dba0 | aliguori | int max_size;
|
2151 | 6f97dba0 | aliguori | int do_telnetopt;
|
2152 | 6f97dba0 | aliguori | int do_nodelay;
|
2153 | 6f97dba0 | aliguori | int is_unix;
|
2154 | 7d174059 | Mark McLoughlin | int msgfd;
|
2155 | 6f97dba0 | aliguori | } TCPCharDriver; |
2156 | 6f97dba0 | aliguori | |
2157 | 6f97dba0 | aliguori | static void tcp_chr_accept(void *opaque); |
2158 | 6f97dba0 | aliguori | |
2159 | 6f97dba0 | aliguori | static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
2160 | 6f97dba0 | aliguori | { |
2161 | 6f97dba0 | aliguori | TCPCharDriver *s = chr->opaque; |
2162 | 6f97dba0 | aliguori | if (s->connected) {
|
2163 | 6f97dba0 | aliguori | return send_all(s->fd, buf, len);
|
2164 | 455aa1e0 | Anthony Liguori | } else {
|
2165 | 6db0fdce | Anthony Liguori | /* XXX: indicate an error ? */
|
2166 | 455aa1e0 | Anthony Liguori | return len;
|
2167 | 6f97dba0 | aliguori | } |
2168 | 6f97dba0 | aliguori | } |
2169 | 6f97dba0 | aliguori | |
2170 | 6f97dba0 | aliguori | static int tcp_chr_read_poll(void *opaque) |
2171 | 6f97dba0 | aliguori | { |
2172 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
2173 | 6f97dba0 | aliguori | TCPCharDriver *s = chr->opaque; |
2174 | 6f97dba0 | aliguori | if (!s->connected)
|
2175 | 6f97dba0 | aliguori | return 0; |
2176 | 909cda12 | Anthony Liguori | s->max_size = qemu_chr_be_can_write(chr); |
2177 | 6f97dba0 | aliguori | return s->max_size;
|
2178 | 6f97dba0 | aliguori | } |
2179 | 6f97dba0 | aliguori | |
2180 | 6f97dba0 | aliguori | #define IAC 255 |
2181 | 6f97dba0 | aliguori | #define IAC_BREAK 243 |
2182 | 6f97dba0 | aliguori | static void tcp_chr_process_IAC_bytes(CharDriverState *chr, |
2183 | 6f97dba0 | aliguori | TCPCharDriver *s, |
2184 | 6f97dba0 | aliguori | uint8_t *buf, int *size)
|
2185 | 6f97dba0 | aliguori | { |
2186 | 6f97dba0 | aliguori | /* Handle any telnet client's basic IAC options to satisfy char by
|
2187 | 6f97dba0 | aliguori | * char mode with no echo. All IAC options will be removed from
|
2188 | 6f97dba0 | aliguori | * the buf and the do_telnetopt variable will be used to track the
|
2189 | 6f97dba0 | aliguori | * state of the width of the IAC information.
|
2190 | 6f97dba0 | aliguori | *
|
2191 | 6f97dba0 | aliguori | * IAC commands come in sets of 3 bytes with the exception of the
|
2192 | 6f97dba0 | aliguori | * "IAC BREAK" command and the double IAC.
|
2193 | 6f97dba0 | aliguori | */
|
2194 | 6f97dba0 | aliguori | |
2195 | 6f97dba0 | aliguori | int i;
|
2196 | 6f97dba0 | aliguori | int j = 0; |
2197 | 6f97dba0 | aliguori | |
2198 | 6f97dba0 | aliguori | for (i = 0; i < *size; i++) { |
2199 | 6f97dba0 | aliguori | if (s->do_telnetopt > 1) { |
2200 | 6f97dba0 | aliguori | if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) { |
2201 | 6f97dba0 | aliguori | /* Double IAC means send an IAC */
|
2202 | 6f97dba0 | aliguori | if (j != i)
|
2203 | 6f97dba0 | aliguori | buf[j] = buf[i]; |
2204 | 6f97dba0 | aliguori | j++; |
2205 | 6f97dba0 | aliguori | s->do_telnetopt = 1;
|
2206 | 6f97dba0 | aliguori | } else {
|
2207 | 6f97dba0 | aliguori | if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) { |
2208 | 6f97dba0 | aliguori | /* Handle IAC break commands by sending a serial break */
|
2209 | a425d23f | Hans de Goede | qemu_chr_be_event(chr, CHR_EVENT_BREAK); |
2210 | 6f97dba0 | aliguori | s->do_telnetopt++; |
2211 | 6f97dba0 | aliguori | } |
2212 | 6f97dba0 | aliguori | s->do_telnetopt++; |
2213 | 6f97dba0 | aliguori | } |
2214 | 6f97dba0 | aliguori | if (s->do_telnetopt >= 4) { |
2215 | 6f97dba0 | aliguori | s->do_telnetopt = 1;
|
2216 | 6f97dba0 | aliguori | } |
2217 | 6f97dba0 | aliguori | } else {
|
2218 | 6f97dba0 | aliguori | if ((unsigned char)buf[i] == IAC) { |
2219 | 6f97dba0 | aliguori | s->do_telnetopt = 2;
|
2220 | 6f97dba0 | aliguori | } else {
|
2221 | 6f97dba0 | aliguori | if (j != i)
|
2222 | 6f97dba0 | aliguori | buf[j] = buf[i]; |
2223 | 6f97dba0 | aliguori | j++; |
2224 | 6f97dba0 | aliguori | } |
2225 | 6f97dba0 | aliguori | } |
2226 | 6f97dba0 | aliguori | } |
2227 | 6f97dba0 | aliguori | *size = j; |
2228 | 6f97dba0 | aliguori | } |
2229 | 6f97dba0 | aliguori | |
2230 | 7d174059 | Mark McLoughlin | static int tcp_get_msgfd(CharDriverState *chr) |
2231 | 7d174059 | Mark McLoughlin | { |
2232 | 7d174059 | Mark McLoughlin | TCPCharDriver *s = chr->opaque; |
2233 | e53f27b9 | Paolo Bonzini | int fd = s->msgfd;
|
2234 | e53f27b9 | Paolo Bonzini | s->msgfd = -1;
|
2235 | e53f27b9 | Paolo Bonzini | return fd;
|
2236 | 7d174059 | Mark McLoughlin | } |
2237 | 7d174059 | Mark McLoughlin | |
2238 | 73bcc2ac | Anthony Liguori | #ifndef _WIN32
|
2239 | 7d174059 | Mark McLoughlin | static void unix_process_msgfd(CharDriverState *chr, struct msghdr *msg) |
2240 | 7d174059 | Mark McLoughlin | { |
2241 | 7d174059 | Mark McLoughlin | TCPCharDriver *s = chr->opaque; |
2242 | 7d174059 | Mark McLoughlin | struct cmsghdr *cmsg;
|
2243 | 7d174059 | Mark McLoughlin | |
2244 | 7d174059 | Mark McLoughlin | for (cmsg = CMSG_FIRSTHDR(msg); cmsg; cmsg = CMSG_NXTHDR(msg, cmsg)) {
|
2245 | 7d174059 | Mark McLoughlin | int fd;
|
2246 | 7d174059 | Mark McLoughlin | |
2247 | 7d174059 | Mark McLoughlin | if (cmsg->cmsg_len != CMSG_LEN(sizeof(int)) || |
2248 | 7d174059 | Mark McLoughlin | cmsg->cmsg_level != SOL_SOCKET || |
2249 | 7d174059 | Mark McLoughlin | cmsg->cmsg_type != SCM_RIGHTS) |
2250 | 7d174059 | Mark McLoughlin | continue;
|
2251 | 7d174059 | Mark McLoughlin | |
2252 | 7d174059 | Mark McLoughlin | fd = *((int *)CMSG_DATA(cmsg));
|
2253 | 7d174059 | Mark McLoughlin | if (fd < 0) |
2254 | 7d174059 | Mark McLoughlin | continue;
|
2255 | 7d174059 | Mark McLoughlin | |
2256 | 06138651 | Corey Bryant | #ifndef MSG_CMSG_CLOEXEC
|
2257 | 06138651 | Corey Bryant | qemu_set_cloexec(fd); |
2258 | 06138651 | Corey Bryant | #endif
|
2259 | 7d174059 | Mark McLoughlin | if (s->msgfd != -1) |
2260 | 7d174059 | Mark McLoughlin | close(s->msgfd); |
2261 | 7d174059 | Mark McLoughlin | s->msgfd = fd; |
2262 | 7d174059 | Mark McLoughlin | } |
2263 | 7d174059 | Mark McLoughlin | } |
2264 | 7d174059 | Mark McLoughlin | |
2265 | 9977c894 | Mark McLoughlin | static ssize_t tcp_chr_recv(CharDriverState *chr, char *buf, size_t len) |
2266 | 9977c894 | Mark McLoughlin | { |
2267 | 9977c894 | Mark McLoughlin | TCPCharDriver *s = chr->opaque; |
2268 | 7cba04f6 | Blue Swirl | struct msghdr msg = { NULL, }; |
2269 | 9977c894 | Mark McLoughlin | struct iovec iov[1]; |
2270 | 7d174059 | Mark McLoughlin | union {
|
2271 | 7d174059 | Mark McLoughlin | struct cmsghdr cmsg;
|
2272 | 7d174059 | Mark McLoughlin | char control[CMSG_SPACE(sizeof(int))]; |
2273 | 7d174059 | Mark McLoughlin | } msg_control; |
2274 | 06138651 | Corey Bryant | int flags = 0; |
2275 | 7d174059 | Mark McLoughlin | ssize_t ret; |
2276 | 9977c894 | Mark McLoughlin | |
2277 | 9977c894 | Mark McLoughlin | iov[0].iov_base = buf;
|
2278 | 9977c894 | Mark McLoughlin | iov[0].iov_len = len;
|
2279 | 9977c894 | Mark McLoughlin | |
2280 | 9977c894 | Mark McLoughlin | msg.msg_iov = iov; |
2281 | 9977c894 | Mark McLoughlin | msg.msg_iovlen = 1;
|
2282 | 7d174059 | Mark McLoughlin | msg.msg_control = &msg_control; |
2283 | 7d174059 | Mark McLoughlin | msg.msg_controllen = sizeof(msg_control);
|
2284 | 7d174059 | Mark McLoughlin | |
2285 | 06138651 | Corey Bryant | #ifdef MSG_CMSG_CLOEXEC
|
2286 | 06138651 | Corey Bryant | flags |= MSG_CMSG_CLOEXEC; |
2287 | 06138651 | Corey Bryant | #endif
|
2288 | 06138651 | Corey Bryant | ret = recvmsg(s->fd, &msg, flags); |
2289 | 06138651 | Corey Bryant | if (ret > 0 && s->is_unix) { |
2290 | 7d174059 | Mark McLoughlin | unix_process_msgfd(chr, &msg); |
2291 | 06138651 | Corey Bryant | } |
2292 | 9977c894 | Mark McLoughlin | |
2293 | 7d174059 | Mark McLoughlin | return ret;
|
2294 | 9977c894 | Mark McLoughlin | } |
2295 | 9977c894 | Mark McLoughlin | #else
|
2296 | 9977c894 | Mark McLoughlin | static ssize_t tcp_chr_recv(CharDriverState *chr, char *buf, size_t len) |
2297 | 9977c894 | Mark McLoughlin | { |
2298 | 9977c894 | Mark McLoughlin | TCPCharDriver *s = chr->opaque; |
2299 | 00aa0040 | Blue Swirl | return qemu_recv(s->fd, buf, len, 0); |
2300 | 9977c894 | Mark McLoughlin | } |
2301 | 9977c894 | Mark McLoughlin | #endif
|
2302 | 9977c894 | Mark McLoughlin | |
2303 | 6f97dba0 | aliguori | static void tcp_chr_read(void *opaque) |
2304 | 6f97dba0 | aliguori | { |
2305 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
2306 | 6f97dba0 | aliguori | TCPCharDriver *s = chr->opaque; |
2307 | 9bd7854e | Amit Shah | uint8_t buf[READ_BUF_LEN]; |
2308 | 6f97dba0 | aliguori | int len, size;
|
2309 | 6f97dba0 | aliguori | |
2310 | 6f97dba0 | aliguori | if (!s->connected || s->max_size <= 0) |
2311 | 6f97dba0 | aliguori | return;
|
2312 | 6f97dba0 | aliguori | len = sizeof(buf);
|
2313 | 6f97dba0 | aliguori | if (len > s->max_size)
|
2314 | 6f97dba0 | aliguori | len = s->max_size; |
2315 | 9977c894 | Mark McLoughlin | size = tcp_chr_recv(chr, (void *)buf, len);
|
2316 | 6f97dba0 | aliguori | if (size == 0) { |
2317 | 6f97dba0 | aliguori | /* connection closed */
|
2318 | 6f97dba0 | aliguori | s->connected = 0;
|
2319 | 6f97dba0 | aliguori | if (s->listen_fd >= 0) { |
2320 | 069c159e | Marcelo Tosatti | qemu_set_fd_handler2(s->listen_fd, NULL, tcp_chr_accept, NULL, chr); |
2321 | 6f97dba0 | aliguori | } |
2322 | 069c159e | Marcelo Tosatti | qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL); |
2323 | 6f97dba0 | aliguori | closesocket(s->fd); |
2324 | 6f97dba0 | aliguori | s->fd = -1;
|
2325 | a425d23f | Hans de Goede | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
2326 | 6f97dba0 | aliguori | } else if (size > 0) { |
2327 | 6f97dba0 | aliguori | if (s->do_telnetopt)
|
2328 | 6f97dba0 | aliguori | tcp_chr_process_IAC_bytes(chr, s, buf, &size); |
2329 | 6f97dba0 | aliguori | if (size > 0) |
2330 | fa5efccb | Anthony Liguori | qemu_chr_be_write(chr, buf, size); |
2331 | 6f97dba0 | aliguori | } |
2332 | 6f97dba0 | aliguori | } |
2333 | 6f97dba0 | aliguori | |
2334 | 68c18d1c | Blue Swirl | #ifndef _WIN32
|
2335 | 68c18d1c | Blue Swirl | CharDriverState *qemu_chr_open_eventfd(int eventfd)
|
2336 | 68c18d1c | Blue Swirl | { |
2337 | 6cbf4c8c | Cam Macdonell | return qemu_chr_open_fd(eventfd, eventfd);
|
2338 | 6cbf4c8c | Cam Macdonell | } |
2339 | 68c18d1c | Blue Swirl | #endif
|
2340 | 6cbf4c8c | Cam Macdonell | |
2341 | 6f97dba0 | aliguori | static void tcp_chr_connect(void *opaque) |
2342 | 6f97dba0 | aliguori | { |
2343 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
2344 | 6f97dba0 | aliguori | TCPCharDriver *s = chr->opaque; |
2345 | 6f97dba0 | aliguori | |
2346 | 6f97dba0 | aliguori | s->connected = 1;
|
2347 | bbdd2ad0 | David Gibson | if (s->fd >= 0) { |
2348 | bbdd2ad0 | David Gibson | qemu_set_fd_handler2(s->fd, tcp_chr_read_poll, |
2349 | bbdd2ad0 | David Gibson | tcp_chr_read, NULL, chr);
|
2350 | bbdd2ad0 | David Gibson | } |
2351 | 127338e6 | Amit Shah | qemu_chr_generic_open(chr); |
2352 | 6f97dba0 | aliguori | } |
2353 | 6f97dba0 | aliguori | |
2354 | 6f97dba0 | aliguori | #define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c; |
2355 | 6f97dba0 | aliguori | static void tcp_chr_telnet_init(int fd) |
2356 | 6f97dba0 | aliguori | { |
2357 | 6f97dba0 | aliguori | char buf[3]; |
2358 | 6f97dba0 | aliguori | /* Send the telnet negotion to put telnet in binary, no echo, single char mode */
|
2359 | 6f97dba0 | aliguori | IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */ |
2360 | 6f97dba0 | aliguori | send(fd, (char *)buf, 3, 0); |
2361 | 6f97dba0 | aliguori | IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */ |
2362 | 6f97dba0 | aliguori | send(fd, (char *)buf, 3, 0); |
2363 | 6f97dba0 | aliguori | IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */ |
2364 | 6f97dba0 | aliguori | send(fd, (char *)buf, 3, 0); |
2365 | 6f97dba0 | aliguori | IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */ |
2366 | 6f97dba0 | aliguori | send(fd, (char *)buf, 3, 0); |
2367 | 6f97dba0 | aliguori | } |
2368 | 6f97dba0 | aliguori | |
2369 | 6f97dba0 | aliguori | static void socket_set_nodelay(int fd) |
2370 | 6f97dba0 | aliguori | { |
2371 | 6f97dba0 | aliguori | int val = 1; |
2372 | 6f97dba0 | aliguori | setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val)); |
2373 | 6f97dba0 | aliguori | } |
2374 | 6f97dba0 | aliguori | |
2375 | 13661089 | Daniel P. Berrange | static int tcp_chr_add_client(CharDriverState *chr, int fd) |
2376 | 13661089 | Daniel P. Berrange | { |
2377 | 13661089 | Daniel P. Berrange | TCPCharDriver *s = chr->opaque; |
2378 | 13661089 | Daniel P. Berrange | if (s->fd != -1) |
2379 | 13661089 | Daniel P. Berrange | return -1; |
2380 | 13661089 | Daniel P. Berrange | |
2381 | 13661089 | Daniel P. Berrange | socket_set_nonblock(fd); |
2382 | 13661089 | Daniel P. Berrange | if (s->do_nodelay)
|
2383 | 13661089 | Daniel P. Berrange | socket_set_nodelay(fd); |
2384 | 13661089 | Daniel P. Berrange | s->fd = fd; |
2385 | 069c159e | Marcelo Tosatti | qemu_set_fd_handler2(s->listen_fd, NULL, NULL, NULL, NULL); |
2386 | 13661089 | Daniel P. Berrange | tcp_chr_connect(chr); |
2387 | 13661089 | Daniel P. Berrange | |
2388 | 13661089 | Daniel P. Berrange | return 0; |
2389 | 13661089 | Daniel P. Berrange | } |
2390 | 13661089 | Daniel P. Berrange | |
2391 | 6f97dba0 | aliguori | static void tcp_chr_accept(void *opaque) |
2392 | 6f97dba0 | aliguori | { |
2393 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
2394 | 6f97dba0 | aliguori | TCPCharDriver *s = chr->opaque; |
2395 | 6f97dba0 | aliguori | struct sockaddr_in saddr;
|
2396 | 6f97dba0 | aliguori | #ifndef _WIN32
|
2397 | 6f97dba0 | aliguori | struct sockaddr_un uaddr;
|
2398 | 6f97dba0 | aliguori | #endif
|
2399 | 6f97dba0 | aliguori | struct sockaddr *addr;
|
2400 | 6f97dba0 | aliguori | socklen_t len; |
2401 | 6f97dba0 | aliguori | int fd;
|
2402 | 6f97dba0 | aliguori | |
2403 | 6f97dba0 | aliguori | for(;;) {
|
2404 | 6f97dba0 | aliguori | #ifndef _WIN32
|
2405 | 6f97dba0 | aliguori | if (s->is_unix) {
|
2406 | 6f97dba0 | aliguori | len = sizeof(uaddr);
|
2407 | 6f97dba0 | aliguori | addr = (struct sockaddr *)&uaddr;
|
2408 | 6f97dba0 | aliguori | } else
|
2409 | 6f97dba0 | aliguori | #endif
|
2410 | 6f97dba0 | aliguori | { |
2411 | 6f97dba0 | aliguori | len = sizeof(saddr);
|
2412 | 6f97dba0 | aliguori | addr = (struct sockaddr *)&saddr;
|
2413 | 6f97dba0 | aliguori | } |
2414 | 40ff6d7e | Kevin Wolf | fd = qemu_accept(s->listen_fd, addr, &len); |
2415 | 6f97dba0 | aliguori | if (fd < 0 && errno != EINTR) { |
2416 | 6f97dba0 | aliguori | return;
|
2417 | 6f97dba0 | aliguori | } else if (fd >= 0) { |
2418 | 6f97dba0 | aliguori | if (s->do_telnetopt)
|
2419 | 6f97dba0 | aliguori | tcp_chr_telnet_init(fd); |
2420 | 6f97dba0 | aliguori | break;
|
2421 | 6f97dba0 | aliguori | } |
2422 | 6f97dba0 | aliguori | } |
2423 | 13661089 | Daniel P. Berrange | if (tcp_chr_add_client(chr, fd) < 0) |
2424 | 13661089 | Daniel P. Berrange | close(fd); |
2425 | 6f97dba0 | aliguori | } |
2426 | 6f97dba0 | aliguori | |
2427 | 6f97dba0 | aliguori | static void tcp_chr_close(CharDriverState *chr) |
2428 | 6f97dba0 | aliguori | { |
2429 | 6f97dba0 | aliguori | TCPCharDriver *s = chr->opaque; |
2430 | 819f56b7 | aliguori | if (s->fd >= 0) { |
2431 | 069c159e | Marcelo Tosatti | qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL); |
2432 | 6f97dba0 | aliguori | closesocket(s->fd); |
2433 | 819f56b7 | aliguori | } |
2434 | 819f56b7 | aliguori | if (s->listen_fd >= 0) { |
2435 | 069c159e | Marcelo Tosatti | qemu_set_fd_handler2(s->listen_fd, NULL, NULL, NULL, NULL); |
2436 | 6f97dba0 | aliguori | closesocket(s->listen_fd); |
2437 | 819f56b7 | aliguori | } |
2438 | 7267c094 | Anthony Liguori | g_free(s); |
2439 | a425d23f | Hans de Goede | qemu_chr_be_event(chr, CHR_EVENT_CLOSED); |
2440 | 6f97dba0 | aliguori | } |
2441 | 6f97dba0 | aliguori | |
2442 | f6bd5d6e | Gerd Hoffmann | static CharDriverState *qemu_chr_open_socket_fd(int fd, bool do_nodelay, |
2443 | f6bd5d6e | Gerd Hoffmann | bool is_listen, bool is_telnet, |
2444 | f6bd5d6e | Gerd Hoffmann | bool is_waitconnect,
|
2445 | f6bd5d6e | Gerd Hoffmann | Error **errp) |
2446 | 6f97dba0 | aliguori | { |
2447 | 6f97dba0 | aliguori | CharDriverState *chr = NULL;
|
2448 | 6f97dba0 | aliguori | TCPCharDriver *s = NULL;
|
2449 | f6bd5d6e | Gerd Hoffmann | char host[NI_MAXHOST], serv[NI_MAXSERV];
|
2450 | f6bd5d6e | Gerd Hoffmann | const char *left = "", *right = ""; |
2451 | f6bd5d6e | Gerd Hoffmann | struct sockaddr_storage ss;
|
2452 | f6bd5d6e | Gerd Hoffmann | socklen_t ss_len = sizeof(ss);
|
2453 | f6bd5d6e | Gerd Hoffmann | |
2454 | f6bd5d6e | Gerd Hoffmann | memset(&ss, 0, ss_len);
|
2455 | f6bd5d6e | Gerd Hoffmann | if (getsockname(fd, (struct sockaddr *) &ss, &ss_len) != 0) { |
2456 | f6bd5d6e | Gerd Hoffmann | error_setg(errp, "getsockname: %s", strerror(errno));
|
2457 | f6bd5d6e | Gerd Hoffmann | return NULL; |
2458 | f6bd5d6e | Gerd Hoffmann | } |
2459 | f6bd5d6e | Gerd Hoffmann | |
2460 | f6bd5d6e | Gerd Hoffmann | chr = g_malloc0(sizeof(CharDriverState));
|
2461 | f6bd5d6e | Gerd Hoffmann | s = g_malloc0(sizeof(TCPCharDriver));
|
2462 | f6bd5d6e | Gerd Hoffmann | |
2463 | f6bd5d6e | Gerd Hoffmann | s->connected = 0;
|
2464 | f6bd5d6e | Gerd Hoffmann | s->fd = -1;
|
2465 | f6bd5d6e | Gerd Hoffmann | s->listen_fd = -1;
|
2466 | f6bd5d6e | Gerd Hoffmann | s->msgfd = -1;
|
2467 | f6bd5d6e | Gerd Hoffmann | |
2468 | f6bd5d6e | Gerd Hoffmann | chr->filename = g_malloc(256);
|
2469 | f6bd5d6e | Gerd Hoffmann | switch (ss.ss_family) {
|
2470 | f6bd5d6e | Gerd Hoffmann | #ifndef _WIN32
|
2471 | f6bd5d6e | Gerd Hoffmann | case AF_UNIX:
|
2472 | f6bd5d6e | Gerd Hoffmann | s->is_unix = 1;
|
2473 | f6bd5d6e | Gerd Hoffmann | snprintf(chr->filename, 256, "unix:%s%s", |
2474 | f6bd5d6e | Gerd Hoffmann | ((struct sockaddr_un *)(&ss))->sun_path,
|
2475 | f6bd5d6e | Gerd Hoffmann | is_listen ? ",server" : ""); |
2476 | f6bd5d6e | Gerd Hoffmann | break;
|
2477 | f6bd5d6e | Gerd Hoffmann | #endif
|
2478 | f6bd5d6e | Gerd Hoffmann | case AF_INET6:
|
2479 | f6bd5d6e | Gerd Hoffmann | left = "[";
|
2480 | f6bd5d6e | Gerd Hoffmann | right = "]";
|
2481 | f6bd5d6e | Gerd Hoffmann | /* fall through */
|
2482 | f6bd5d6e | Gerd Hoffmann | case AF_INET:
|
2483 | f6bd5d6e | Gerd Hoffmann | s->do_nodelay = do_nodelay; |
2484 | f6bd5d6e | Gerd Hoffmann | getnameinfo((struct sockaddr *) &ss, ss_len, host, sizeof(host), |
2485 | f6bd5d6e | Gerd Hoffmann | serv, sizeof(serv), NI_NUMERICHOST | NI_NUMERICSERV);
|
2486 | f6bd5d6e | Gerd Hoffmann | snprintf(chr->filename, 256, "%s:%s:%s%s%s%s", |
2487 | f6bd5d6e | Gerd Hoffmann | is_telnet ? "telnet" : "tcp", |
2488 | f6bd5d6e | Gerd Hoffmann | left, host, right, serv, |
2489 | f6bd5d6e | Gerd Hoffmann | is_listen ? ",server" : ""); |
2490 | f6bd5d6e | Gerd Hoffmann | break;
|
2491 | f6bd5d6e | Gerd Hoffmann | } |
2492 | f6bd5d6e | Gerd Hoffmann | |
2493 | f6bd5d6e | Gerd Hoffmann | chr->opaque = s; |
2494 | f6bd5d6e | Gerd Hoffmann | chr->chr_write = tcp_chr_write; |
2495 | f6bd5d6e | Gerd Hoffmann | chr->chr_close = tcp_chr_close; |
2496 | f6bd5d6e | Gerd Hoffmann | chr->get_msgfd = tcp_get_msgfd; |
2497 | f6bd5d6e | Gerd Hoffmann | chr->chr_add_client = tcp_chr_add_client; |
2498 | f6bd5d6e | Gerd Hoffmann | |
2499 | f6bd5d6e | Gerd Hoffmann | if (is_listen) {
|
2500 | f6bd5d6e | Gerd Hoffmann | s->listen_fd = fd; |
2501 | f6bd5d6e | Gerd Hoffmann | qemu_set_fd_handler2(s->listen_fd, NULL, tcp_chr_accept, NULL, chr); |
2502 | f6bd5d6e | Gerd Hoffmann | if (is_telnet) {
|
2503 | f6bd5d6e | Gerd Hoffmann | s->do_telnetopt = 1;
|
2504 | f6bd5d6e | Gerd Hoffmann | } |
2505 | f6bd5d6e | Gerd Hoffmann | } else {
|
2506 | f6bd5d6e | Gerd Hoffmann | s->connected = 1;
|
2507 | f6bd5d6e | Gerd Hoffmann | s->fd = fd; |
2508 | f6bd5d6e | Gerd Hoffmann | socket_set_nodelay(fd); |
2509 | f6bd5d6e | Gerd Hoffmann | tcp_chr_connect(chr); |
2510 | f6bd5d6e | Gerd Hoffmann | } |
2511 | f6bd5d6e | Gerd Hoffmann | |
2512 | f6bd5d6e | Gerd Hoffmann | if (is_listen && is_waitconnect) {
|
2513 | f6bd5d6e | Gerd Hoffmann | printf("QEMU waiting for connection on: %s\n",
|
2514 | f6bd5d6e | Gerd Hoffmann | chr->filename); |
2515 | f6bd5d6e | Gerd Hoffmann | tcp_chr_accept(chr); |
2516 | f6bd5d6e | Gerd Hoffmann | socket_set_nonblock(s->listen_fd); |
2517 | f6bd5d6e | Gerd Hoffmann | } |
2518 | f6bd5d6e | Gerd Hoffmann | return chr;
|
2519 | f6bd5d6e | Gerd Hoffmann | } |
2520 | f6bd5d6e | Gerd Hoffmann | |
2521 | f6bd5d6e | Gerd Hoffmann | static CharDriverState *qemu_chr_open_socket(QemuOpts *opts)
|
2522 | f6bd5d6e | Gerd Hoffmann | { |
2523 | f6bd5d6e | Gerd Hoffmann | CharDriverState *chr = NULL;
|
2524 | 87d5f24f | Paolo Bonzini | Error *local_err = NULL;
|
2525 | aeb2c47a | Gerd Hoffmann | int fd = -1; |
2526 | aeb2c47a | Gerd Hoffmann | int is_listen;
|
2527 | aeb2c47a | Gerd Hoffmann | int is_waitconnect;
|
2528 | aeb2c47a | Gerd Hoffmann | int do_nodelay;
|
2529 | aeb2c47a | Gerd Hoffmann | int is_unix;
|
2530 | aeb2c47a | Gerd Hoffmann | int is_telnet;
|
2531 | aeb2c47a | Gerd Hoffmann | |
2532 | aeb2c47a | Gerd Hoffmann | is_listen = qemu_opt_get_bool(opts, "server", 0); |
2533 | aeb2c47a | Gerd Hoffmann | is_waitconnect = qemu_opt_get_bool(opts, "wait", 1); |
2534 | aeb2c47a | Gerd Hoffmann | is_telnet = qemu_opt_get_bool(opts, "telnet", 0); |
2535 | aeb2c47a | Gerd Hoffmann | do_nodelay = !qemu_opt_get_bool(opts, "delay", 1); |
2536 | aeb2c47a | Gerd Hoffmann | is_unix = qemu_opt_get(opts, "path") != NULL; |
2537 | 6f97dba0 | aliguori | if (!is_listen)
|
2538 | 6f97dba0 | aliguori | is_waitconnect = 0;
|
2539 | 6f97dba0 | aliguori | |
2540 | f07b6003 | aliguori | if (is_unix) {
|
2541 | f07b6003 | aliguori | if (is_listen) {
|
2542 | 87d5f24f | Paolo Bonzini | fd = unix_listen_opts(opts, &local_err); |
2543 | f07b6003 | aliguori | } else {
|
2544 | 87d5f24f | Paolo Bonzini | fd = unix_connect_opts(opts, &local_err, NULL, NULL); |
2545 | f07b6003 | aliguori | } |
2546 | f07b6003 | aliguori | } else {
|
2547 | f07b6003 | aliguori | if (is_listen) {
|
2548 | 87d5f24f | Paolo Bonzini | fd = inet_listen_opts(opts, 0, &local_err);
|
2549 | f07b6003 | aliguori | } else {
|
2550 | 87d5f24f | Paolo Bonzini | fd = inet_connect_opts(opts, &local_err, NULL, NULL); |
2551 | f07b6003 | aliguori | } |
2552 | f07b6003 | aliguori | } |
2553 | a89dd6c3 | Markus Armbruster | if (fd < 0) { |
2554 | 6f97dba0 | aliguori | goto fail;
|
2555 | a89dd6c3 | Markus Armbruster | } |
2556 | 6f97dba0 | aliguori | |
2557 | 6f97dba0 | aliguori | if (!is_waitconnect)
|
2558 | 6f97dba0 | aliguori | socket_set_nonblock(fd); |
2559 | 6f97dba0 | aliguori | |
2560 | f6bd5d6e | Gerd Hoffmann | chr = qemu_chr_open_socket_fd(fd, do_nodelay, is_listen, is_telnet, |
2561 | f6bd5d6e | Gerd Hoffmann | is_waitconnect, &local_err); |
2562 | f6bd5d6e | Gerd Hoffmann | if (error_is_set(&local_err)) {
|
2563 | f6bd5d6e | Gerd Hoffmann | goto fail;
|
2564 | 6f97dba0 | aliguori | } |
2565 | 1f51470d | Markus Armbruster | return chr;
|
2566 | aeb2c47a | Gerd Hoffmann | |
2567 | f6bd5d6e | Gerd Hoffmann | |
2568 | 6f97dba0 | aliguori | fail:
|
2569 | 87d5f24f | Paolo Bonzini | if (local_err) {
|
2570 | 87d5f24f | Paolo Bonzini | qerror_report_err(local_err); |
2571 | 87d5f24f | Paolo Bonzini | error_free(local_err); |
2572 | 87d5f24f | Paolo Bonzini | } |
2573 | 87d5f24f | Paolo Bonzini | if (fd >= 0) { |
2574 | 6f97dba0 | aliguori | closesocket(fd); |
2575 | 87d5f24f | Paolo Bonzini | } |
2576 | f6bd5d6e | Gerd Hoffmann | if (chr) {
|
2577 | f6bd5d6e | Gerd Hoffmann | g_free(chr->opaque); |
2578 | f6bd5d6e | Gerd Hoffmann | g_free(chr); |
2579 | f6bd5d6e | Gerd Hoffmann | } |
2580 | 1f51470d | Markus Armbruster | return NULL; |
2581 | 6f97dba0 | aliguori | } |
2582 | 6f97dba0 | aliguori | |
2583 | 999bd67c | Luiz Capitulino | /***********************************************************/
|
2584 | 999bd67c | Luiz Capitulino | /* Memory chardev */
|
2585 | 999bd67c | Luiz Capitulino | typedef struct { |
2586 | 999bd67c | Luiz Capitulino | size_t outbuf_size; |
2587 | 999bd67c | Luiz Capitulino | size_t outbuf_capacity; |
2588 | 999bd67c | Luiz Capitulino | uint8_t *outbuf; |
2589 | 999bd67c | Luiz Capitulino | } MemoryDriver; |
2590 | 999bd67c | Luiz Capitulino | |
2591 | 999bd67c | Luiz Capitulino | static int mem_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
2592 | 999bd67c | Luiz Capitulino | { |
2593 | 999bd67c | Luiz Capitulino | MemoryDriver *d = chr->opaque; |
2594 | 999bd67c | Luiz Capitulino | |
2595 | 999bd67c | Luiz Capitulino | /* TODO: the QString implementation has the same code, we should
|
2596 | 999bd67c | Luiz Capitulino | * introduce a generic way to do this in cutils.c */
|
2597 | 999bd67c | Luiz Capitulino | if (d->outbuf_capacity < d->outbuf_size + len) {
|
2598 | 999bd67c | Luiz Capitulino | /* grow outbuf */
|
2599 | 999bd67c | Luiz Capitulino | d->outbuf_capacity += len; |
2600 | 999bd67c | Luiz Capitulino | d->outbuf_capacity *= 2;
|
2601 | 7267c094 | Anthony Liguori | d->outbuf = g_realloc(d->outbuf, d->outbuf_capacity); |
2602 | 999bd67c | Luiz Capitulino | } |
2603 | 999bd67c | Luiz Capitulino | |
2604 | 999bd67c | Luiz Capitulino | memcpy(d->outbuf + d->outbuf_size, buf, len); |
2605 | 999bd67c | Luiz Capitulino | d->outbuf_size += len; |
2606 | 999bd67c | Luiz Capitulino | |
2607 | 999bd67c | Luiz Capitulino | return len;
|
2608 | 999bd67c | Luiz Capitulino | } |
2609 | 999bd67c | Luiz Capitulino | |
2610 | 999bd67c | Luiz Capitulino | void qemu_chr_init_mem(CharDriverState *chr)
|
2611 | 999bd67c | Luiz Capitulino | { |
2612 | 999bd67c | Luiz Capitulino | MemoryDriver *d; |
2613 | 999bd67c | Luiz Capitulino | |
2614 | 7267c094 | Anthony Liguori | d = g_malloc(sizeof(*d));
|
2615 | 999bd67c | Luiz Capitulino | d->outbuf_size = 0;
|
2616 | 999bd67c | Luiz Capitulino | d->outbuf_capacity = 4096;
|
2617 | 7267c094 | Anthony Liguori | d->outbuf = g_malloc0(d->outbuf_capacity); |
2618 | 999bd67c | Luiz Capitulino | |
2619 | 999bd67c | Luiz Capitulino | memset(chr, 0, sizeof(*chr)); |
2620 | 999bd67c | Luiz Capitulino | chr->opaque = d; |
2621 | 999bd67c | Luiz Capitulino | chr->chr_write = mem_chr_write; |
2622 | 999bd67c | Luiz Capitulino | } |
2623 | 999bd67c | Luiz Capitulino | |
2624 | 999bd67c | Luiz Capitulino | QString *qemu_chr_mem_to_qs(CharDriverState *chr) |
2625 | 999bd67c | Luiz Capitulino | { |
2626 | 999bd67c | Luiz Capitulino | MemoryDriver *d = chr->opaque; |
2627 | 999bd67c | Luiz Capitulino | return qstring_from_substr((char *) d->outbuf, 0, d->outbuf_size - 1); |
2628 | 999bd67c | Luiz Capitulino | } |
2629 | 999bd67c | Luiz Capitulino | |
2630 | 70f24fb6 | Anthony Liguori | /* NOTE: this driver can not be closed with qemu_chr_delete()! */
|
2631 | 999bd67c | Luiz Capitulino | void qemu_chr_close_mem(CharDriverState *chr)
|
2632 | 999bd67c | Luiz Capitulino | { |
2633 | 999bd67c | Luiz Capitulino | MemoryDriver *d = chr->opaque; |
2634 | 999bd67c | Luiz Capitulino | |
2635 | 7267c094 | Anthony Liguori | g_free(d->outbuf); |
2636 | 7267c094 | Anthony Liguori | g_free(chr->opaque); |
2637 | 999bd67c | Luiz Capitulino | chr->opaque = NULL;
|
2638 | 999bd67c | Luiz Capitulino | chr->chr_write = NULL;
|
2639 | 999bd67c | Luiz Capitulino | } |
2640 | 999bd67c | Luiz Capitulino | |
2641 | 999bd67c | Luiz Capitulino | size_t qemu_chr_mem_osize(const CharDriverState *chr)
|
2642 | 999bd67c | Luiz Capitulino | { |
2643 | 999bd67c | Luiz Capitulino | const MemoryDriver *d = chr->opaque;
|
2644 | 999bd67c | Luiz Capitulino | return d->outbuf_size;
|
2645 | 999bd67c | Luiz Capitulino | } |
2646 | 999bd67c | Luiz Capitulino | |
2647 | 51767e7c | Lei Li | /*********************************************************/
|
2648 | 51767e7c | Lei Li | /*CircularMemory chardev*/
|
2649 | 51767e7c | Lei Li | |
2650 | 51767e7c | Lei Li | typedef struct { |
2651 | 51767e7c | Lei Li | size_t size; |
2652 | 51767e7c | Lei Li | size_t prod; |
2653 | 51767e7c | Lei Li | size_t cons; |
2654 | 51767e7c | Lei Li | uint8_t *cbuf; |
2655 | 51767e7c | Lei Li | } CirMemCharDriver; |
2656 | 51767e7c | Lei Li | |
2657 | 51767e7c | Lei Li | static bool cirmem_chr_is_empty(const CharDriverState *chr) |
2658 | 51767e7c | Lei Li | { |
2659 | 51767e7c | Lei Li | const CirMemCharDriver *d = chr->opaque;
|
2660 | 51767e7c | Lei Li | |
2661 | 51767e7c | Lei Li | return d->cons == d->prod;
|
2662 | 51767e7c | Lei Li | } |
2663 | 51767e7c | Lei Li | |
2664 | 51767e7c | Lei Li | static size_t qemu_chr_cirmem_count(const CharDriverState *chr) |
2665 | 51767e7c | Lei Li | { |
2666 | 51767e7c | Lei Li | const CirMemCharDriver *d = chr->opaque;
|
2667 | 51767e7c | Lei Li | |
2668 | 51767e7c | Lei Li | return (d->prod - d->cons);
|
2669 | 51767e7c | Lei Li | } |
2670 | 51767e7c | Lei Li | |
2671 | 51767e7c | Lei Li | static int cirmem_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
2672 | 51767e7c | Lei Li | { |
2673 | 51767e7c | Lei Li | CirMemCharDriver *d = chr->opaque; |
2674 | 51767e7c | Lei Li | int i;
|
2675 | 51767e7c | Lei Li | |
2676 | 51767e7c | Lei Li | if (!buf || (len < 0)) { |
2677 | 51767e7c | Lei Li | return -1; |
2678 | 51767e7c | Lei Li | } |
2679 | 51767e7c | Lei Li | |
2680 | 51767e7c | Lei Li | for (i = 0; i < len; i++ ) { |
2681 | 51767e7c | Lei Li | /* Avoid writing the IAC information to the queue. */
|
2682 | 51767e7c | Lei Li | if ((unsigned char)buf[i] == IAC) { |
2683 | 51767e7c | Lei Li | continue;
|
2684 | 51767e7c | Lei Li | } |
2685 | 51767e7c | Lei Li | |
2686 | 51767e7c | Lei Li | d->cbuf[d->prod++ % d->size] = buf[i]; |
2687 | 51767e7c | Lei Li | if ((d->prod - d->cons) > d->size) {
|
2688 | 51767e7c | Lei Li | d->cons = d->prod - d->size; |
2689 | 51767e7c | Lei Li | } |
2690 | 51767e7c | Lei Li | } |
2691 | 51767e7c | Lei Li | |
2692 | 51767e7c | Lei Li | return 0; |
2693 | 51767e7c | Lei Li | } |
2694 | 51767e7c | Lei Li | |
2695 | 51767e7c | Lei Li | static int cirmem_chr_read(CharDriverState *chr, uint8_t *buf, int len) |
2696 | 51767e7c | Lei Li | { |
2697 | 51767e7c | Lei Li | CirMemCharDriver *d = chr->opaque; |
2698 | 51767e7c | Lei Li | int i;
|
2699 | 51767e7c | Lei Li | |
2700 | 51767e7c | Lei Li | for (i = 0; i < len && !cirmem_chr_is_empty(chr); i++) { |
2701 | 51767e7c | Lei Li | buf[i] = d->cbuf[d->cons++ % d->size]; |
2702 | 51767e7c | Lei Li | } |
2703 | 51767e7c | Lei Li | |
2704 | 51767e7c | Lei Li | return i;
|
2705 | 51767e7c | Lei Li | } |
2706 | 51767e7c | Lei Li | |
2707 | 51767e7c | Lei Li | static void cirmem_chr_close(struct CharDriverState *chr) |
2708 | 51767e7c | Lei Li | { |
2709 | 51767e7c | Lei Li | CirMemCharDriver *d = chr->opaque; |
2710 | 51767e7c | Lei Li | |
2711 | 51767e7c | Lei Li | g_free(d->cbuf); |
2712 | 51767e7c | Lei Li | g_free(d); |
2713 | 51767e7c | Lei Li | chr->opaque = NULL;
|
2714 | 51767e7c | Lei Li | } |
2715 | 51767e7c | Lei Li | |
2716 | 51767e7c | Lei Li | static CharDriverState *qemu_chr_open_cirmemchr(QemuOpts *opts)
|
2717 | 51767e7c | Lei Li | { |
2718 | 51767e7c | Lei Li | CharDriverState *chr; |
2719 | 51767e7c | Lei Li | CirMemCharDriver *d; |
2720 | 51767e7c | Lei Li | |
2721 | 51767e7c | Lei Li | chr = g_malloc0(sizeof(CharDriverState));
|
2722 | 51767e7c | Lei Li | d = g_malloc(sizeof(*d));
|
2723 | 51767e7c | Lei Li | |
2724 | 51767e7c | Lei Li | d->size = qemu_opt_get_number(opts, "maxcapacity", 0); |
2725 | 51767e7c | Lei Li | if (d->size == 0) { |
2726 | 51767e7c | Lei Li | d->size = CBUFF_SIZE; |
2727 | 51767e7c | Lei Li | } |
2728 | 51767e7c | Lei Li | |
2729 | 51767e7c | Lei Li | /* The size must be power of 2 */
|
2730 | 51767e7c | Lei Li | if (d->size & (d->size - 1)) { |
2731 | 51767e7c | Lei Li | fprintf(stderr, "chardev: size of memory device must be power of 2\n");
|
2732 | 51767e7c | Lei Li | goto fail;
|
2733 | 51767e7c | Lei Li | } |
2734 | 51767e7c | Lei Li | |
2735 | 51767e7c | Lei Li | d->prod = 0;
|
2736 | 51767e7c | Lei Li | d->cons = 0;
|
2737 | 51767e7c | Lei Li | d->cbuf = g_malloc0(d->size); |
2738 | 51767e7c | Lei Li | |
2739 | 51767e7c | Lei Li | chr->opaque = d; |
2740 | 51767e7c | Lei Li | chr->chr_write = cirmem_chr_write; |
2741 | 51767e7c | Lei Li | chr->chr_close = cirmem_chr_close; |
2742 | 51767e7c | Lei Li | |
2743 | 51767e7c | Lei Li | return chr;
|
2744 | 51767e7c | Lei Li | |
2745 | 51767e7c | Lei Li | fail:
|
2746 | 51767e7c | Lei Li | g_free(d); |
2747 | 51767e7c | Lei Li | g_free(chr); |
2748 | 51767e7c | Lei Li | return NULL; |
2749 | 51767e7c | Lei Li | } |
2750 | 51767e7c | Lei Li | |
2751 | 1f590cf9 | Lei Li | static bool qemu_is_chr(const CharDriverState *chr, const char *filename) |
2752 | 1f590cf9 | Lei Li | { |
2753 | 1f590cf9 | Lei Li | return strcmp(chr->filename, filename);
|
2754 | 1f590cf9 | Lei Li | } |
2755 | 1f590cf9 | Lei Li | |
2756 | 82e59a67 | Markus Armbruster | void qmp_memchar_write(const char *device, const char *data, |
2757 | 82e59a67 | Markus Armbruster | bool has_format, enum DataFormat format, |
2758 | 1f590cf9 | Lei Li | Error **errp) |
2759 | 1f590cf9 | Lei Li | { |
2760 | 1f590cf9 | Lei Li | CharDriverState *chr; |
2761 | c4f331b6 | Markus Armbruster | const uint8_t *write_data;
|
2762 | 1f590cf9 | Lei Li | int ret;
|
2763 | c4f331b6 | Markus Armbruster | size_t write_count; |
2764 | 1f590cf9 | Lei Li | |
2765 | 1f590cf9 | Lei Li | chr = qemu_chr_find(device); |
2766 | 1f590cf9 | Lei Li | if (!chr) {
|
2767 | 1a69278e | Markus Armbruster | error_setg(errp, "Device '%s' not found", device);
|
2768 | 1f590cf9 | Lei Li | return;
|
2769 | 1f590cf9 | Lei Li | } |
2770 | 1f590cf9 | Lei Li | |
2771 | 1f590cf9 | Lei Li | if (qemu_is_chr(chr, "memory")) { |
2772 | 1f590cf9 | Lei Li | error_setg(errp,"%s is not memory char device", device);
|
2773 | 1f590cf9 | Lei Li | return;
|
2774 | 1f590cf9 | Lei Li | } |
2775 | 1f590cf9 | Lei Li | |
2776 | 1f590cf9 | Lei Li | if (has_format && (format == DATA_FORMAT_BASE64)) {
|
2777 | 1f590cf9 | Lei Li | write_data = g_base64_decode(data, &write_count); |
2778 | 1f590cf9 | Lei Li | } else {
|
2779 | 1f590cf9 | Lei Li | write_data = (uint8_t *)data; |
2780 | 82e59a67 | Markus Armbruster | write_count = strlen(data); |
2781 | 1f590cf9 | Lei Li | } |
2782 | 1f590cf9 | Lei Li | |
2783 | 1f590cf9 | Lei Li | ret = cirmem_chr_write(chr, write_data, write_count); |
2784 | 1f590cf9 | Lei Li | |
2785 | 13289fb5 | Markus Armbruster | if (write_data != (uint8_t *)data) {
|
2786 | 13289fb5 | Markus Armbruster | g_free((void *)write_data);
|
2787 | 13289fb5 | Markus Armbruster | } |
2788 | 13289fb5 | Markus Armbruster | |
2789 | 1f590cf9 | Lei Li | if (ret < 0) { |
2790 | 1f590cf9 | Lei Li | error_setg(errp, "Failed to write to device %s", device);
|
2791 | 1f590cf9 | Lei Li | return;
|
2792 | 1f590cf9 | Lei Li | } |
2793 | 1f590cf9 | Lei Li | } |
2794 | 1f590cf9 | Lei Li | |
2795 | 3ab651fc | Markus Armbruster | char *qmp_memchar_read(const char *device, int64_t size, |
2796 | 3ab651fc | Markus Armbruster | bool has_format, enum DataFormat format, |
2797 | 3ab651fc | Markus Armbruster | Error **errp) |
2798 | 49b6d722 | Lei Li | { |
2799 | 49b6d722 | Lei Li | CharDriverState *chr; |
2800 | c4f331b6 | Markus Armbruster | uint8_t *read_data; |
2801 | 49b6d722 | Lei Li | size_t count; |
2802 | 3ab651fc | Markus Armbruster | char *data;
|
2803 | 49b6d722 | Lei Li | |
2804 | 49b6d722 | Lei Li | chr = qemu_chr_find(device); |
2805 | 49b6d722 | Lei Li | if (!chr) {
|
2806 | 1a69278e | Markus Armbruster | error_setg(errp, "Device '%s' not found", device);
|
2807 | 49b6d722 | Lei Li | return NULL; |
2808 | 49b6d722 | Lei Li | } |
2809 | 49b6d722 | Lei Li | |
2810 | 49b6d722 | Lei Li | if (qemu_is_chr(chr, "memory")) { |
2811 | 49b6d722 | Lei Li | error_setg(errp,"%s is not memory char device", device);
|
2812 | 49b6d722 | Lei Li | return NULL; |
2813 | 49b6d722 | Lei Li | } |
2814 | 49b6d722 | Lei Li | |
2815 | 49b6d722 | Lei Li | if (size <= 0) { |
2816 | 49b6d722 | Lei Li | error_setg(errp, "size must be greater than zero");
|
2817 | 49b6d722 | Lei Li | return NULL; |
2818 | 49b6d722 | Lei Li | } |
2819 | 49b6d722 | Lei Li | |
2820 | 49b6d722 | Lei Li | count = qemu_chr_cirmem_count(chr); |
2821 | 49b6d722 | Lei Li | size = size > count ? count : size; |
2822 | 44f3bcd2 | Markus Armbruster | read_data = g_malloc(size + 1);
|
2823 | 49b6d722 | Lei Li | |
2824 | 3ab651fc | Markus Armbruster | cirmem_chr_read(chr, read_data, size); |
2825 | 49b6d722 | Lei Li | |
2826 | 49b6d722 | Lei Li | if (has_format && (format == DATA_FORMAT_BASE64)) {
|
2827 | 3ab651fc | Markus Armbruster | data = g_base64_encode(read_data, size); |
2828 | 13289fb5 | Markus Armbruster | g_free(read_data); |
2829 | 49b6d722 | Lei Li | } else {
|
2830 | 44f3bcd2 | Markus Armbruster | read_data[size] = 0;
|
2831 | 3ab651fc | Markus Armbruster | data = (char *)read_data;
|
2832 | 49b6d722 | Lei Li | } |
2833 | 49b6d722 | Lei Li | |
2834 | 3ab651fc | Markus Armbruster | return data;
|
2835 | 49b6d722 | Lei Li | } |
2836 | 49b6d722 | Lei Li | |
2837 | 33521634 | Gerd Hoffmann | QemuOpts *qemu_chr_parse_compat(const char *label, const char *filename) |
2838 | 191bc01b | Gerd Hoffmann | { |
2839 | 6ea314d9 | Gerd Hoffmann | char host[65], port[33], width[8], height[8]; |
2840 | aeb2c47a | Gerd Hoffmann | int pos;
|
2841 | 7d31544f | Gerd Hoffmann | const char *p; |
2842 | 191bc01b | Gerd Hoffmann | QemuOpts *opts; |
2843 | 8be7e7e4 | Luiz Capitulino | Error *local_err = NULL;
|
2844 | 191bc01b | Gerd Hoffmann | |
2845 | 8be7e7e4 | Luiz Capitulino | opts = qemu_opts_create(qemu_find_opts("chardev"), label, 1, &local_err); |
2846 | 8be7e7e4 | Luiz Capitulino | if (error_is_set(&local_err)) {
|
2847 | 8be7e7e4 | Luiz Capitulino | qerror_report_err(local_err); |
2848 | 8be7e7e4 | Luiz Capitulino | error_free(local_err); |
2849 | 191bc01b | Gerd Hoffmann | return NULL; |
2850 | 8be7e7e4 | Luiz Capitulino | } |
2851 | 191bc01b | Gerd Hoffmann | |
2852 | 7591c5c1 | Gerd Hoffmann | if (strstart(filename, "mon:", &p)) { |
2853 | 7591c5c1 | Gerd Hoffmann | filename = p; |
2854 | 7591c5c1 | Gerd Hoffmann | qemu_opt_set(opts, "mux", "on"); |
2855 | 7591c5c1 | Gerd Hoffmann | } |
2856 | 7591c5c1 | Gerd Hoffmann | |
2857 | f0457e8d | Gerd Hoffmann | if (strcmp(filename, "null") == 0 || |
2858 | f0457e8d | Gerd Hoffmann | strcmp(filename, "pty") == 0 || |
2859 | f0457e8d | Gerd Hoffmann | strcmp(filename, "msmouse") == 0 || |
2860 | dc1c21e6 | Gerd Hoffmann | strcmp(filename, "braille") == 0 || |
2861 | f0457e8d | Gerd Hoffmann | strcmp(filename, "stdio") == 0) { |
2862 | 4490dadf | Gerd Hoffmann | qemu_opt_set(opts, "backend", filename);
|
2863 | 191bc01b | Gerd Hoffmann | return opts;
|
2864 | 191bc01b | Gerd Hoffmann | } |
2865 | 6ea314d9 | Gerd Hoffmann | if (strstart(filename, "vc", &p)) { |
2866 | 6ea314d9 | Gerd Hoffmann | qemu_opt_set(opts, "backend", "vc"); |
2867 | 6ea314d9 | Gerd Hoffmann | if (*p == ':') { |
2868 | 6ea314d9 | Gerd Hoffmann | if (sscanf(p+1, "%8[0-9]x%8[0-9]", width, height) == 2) { |
2869 | 6ea314d9 | Gerd Hoffmann | /* pixels */
|
2870 | 6ea314d9 | Gerd Hoffmann | qemu_opt_set(opts, "width", width);
|
2871 | 6ea314d9 | Gerd Hoffmann | qemu_opt_set(opts, "height", height);
|
2872 | 6ea314d9 | Gerd Hoffmann | } else if (sscanf(p+1, "%8[0-9]Cx%8[0-9]C", width, height) == 2) { |
2873 | 6ea314d9 | Gerd Hoffmann | /* chars */
|
2874 | 6ea314d9 | Gerd Hoffmann | qemu_opt_set(opts, "cols", width);
|
2875 | 6ea314d9 | Gerd Hoffmann | qemu_opt_set(opts, "rows", height);
|
2876 | 6ea314d9 | Gerd Hoffmann | } else {
|
2877 | 6ea314d9 | Gerd Hoffmann | goto fail;
|
2878 | 6ea314d9 | Gerd Hoffmann | } |
2879 | 6ea314d9 | Gerd Hoffmann | } |
2880 | 6ea314d9 | Gerd Hoffmann | return opts;
|
2881 | 6ea314d9 | Gerd Hoffmann | } |
2882 | d6c983cd | Gerd Hoffmann | if (strcmp(filename, "con:") == 0) { |
2883 | d6c983cd | Gerd Hoffmann | qemu_opt_set(opts, "backend", "console"); |
2884 | d6c983cd | Gerd Hoffmann | return opts;
|
2885 | d6c983cd | Gerd Hoffmann | } |
2886 | 48b76496 | Gerd Hoffmann | if (strstart(filename, "COM", NULL)) { |
2887 | 48b76496 | Gerd Hoffmann | qemu_opt_set(opts, "backend", "serial"); |
2888 | 48b76496 | Gerd Hoffmann | qemu_opt_set(opts, "path", filename);
|
2889 | 48b76496 | Gerd Hoffmann | return opts;
|
2890 | 48b76496 | Gerd Hoffmann | } |
2891 | 51767e7c | Lei Li | if (strstart(filename, "memory", &p)) { |
2892 | 51767e7c | Lei Li | qemu_opt_set(opts, "backend", "memory"); |
2893 | 51767e7c | Lei Li | qemu_opt_set(opts, "maxcapacity", p);
|
2894 | 51767e7c | Lei Li | return opts;
|
2895 | 51767e7c | Lei Li | } |
2896 | 7d31544f | Gerd Hoffmann | if (strstart(filename, "file:", &p)) { |
2897 | 7d31544f | Gerd Hoffmann | qemu_opt_set(opts, "backend", "file"); |
2898 | 7d31544f | Gerd Hoffmann | qemu_opt_set(opts, "path", p);
|
2899 | 7d31544f | Gerd Hoffmann | return opts;
|
2900 | 7d31544f | Gerd Hoffmann | } |
2901 | 7d31544f | Gerd Hoffmann | if (strstart(filename, "pipe:", &p)) { |
2902 | 7d31544f | Gerd Hoffmann | qemu_opt_set(opts, "backend", "pipe"); |
2903 | 7d31544f | Gerd Hoffmann | qemu_opt_set(opts, "path", p);
|
2904 | 7d31544f | Gerd Hoffmann | return opts;
|
2905 | 7d31544f | Gerd Hoffmann | } |
2906 | aeb2c47a | Gerd Hoffmann | if (strstart(filename, "tcp:", &p) || |
2907 | aeb2c47a | Gerd Hoffmann | strstart(filename, "telnet:", &p)) {
|
2908 | aeb2c47a | Gerd Hoffmann | if (sscanf(p, "%64[^:]:%32[^,]%n", host, port, &pos) < 2) { |
2909 | aeb2c47a | Gerd Hoffmann | host[0] = 0; |
2910 | aeb2c47a | Gerd Hoffmann | if (sscanf(p, ":%32[^,]%n", port, &pos) < 1) |
2911 | aeb2c47a | Gerd Hoffmann | goto fail;
|
2912 | aeb2c47a | Gerd Hoffmann | } |
2913 | aeb2c47a | Gerd Hoffmann | qemu_opt_set(opts, "backend", "socket"); |
2914 | aeb2c47a | Gerd Hoffmann | qemu_opt_set(opts, "host", host);
|
2915 | aeb2c47a | Gerd Hoffmann | qemu_opt_set(opts, "port", port);
|
2916 | aeb2c47a | Gerd Hoffmann | if (p[pos] == ',') { |
2917 | aeb2c47a | Gerd Hoffmann | if (qemu_opts_do_parse(opts, p+pos+1, NULL) != 0) |
2918 | aeb2c47a | Gerd Hoffmann | goto fail;
|
2919 | aeb2c47a | Gerd Hoffmann | } |
2920 | aeb2c47a | Gerd Hoffmann | if (strstart(filename, "telnet:", &p)) |
2921 | aeb2c47a | Gerd Hoffmann | qemu_opt_set(opts, "telnet", "on"); |
2922 | aeb2c47a | Gerd Hoffmann | return opts;
|
2923 | aeb2c47a | Gerd Hoffmann | } |
2924 | 7e1b35b4 | Gerd Hoffmann | if (strstart(filename, "udp:", &p)) { |
2925 | 7e1b35b4 | Gerd Hoffmann | qemu_opt_set(opts, "backend", "udp"); |
2926 | 7e1b35b4 | Gerd Hoffmann | if (sscanf(p, "%64[^:]:%32[^@,]%n", host, port, &pos) < 2) { |
2927 | 7e1b35b4 | Gerd Hoffmann | host[0] = 0; |
2928 | 39324ca4 | Jan Kiszka | if (sscanf(p, ":%32[^@,]%n", port, &pos) < 1) { |
2929 | 7e1b35b4 | Gerd Hoffmann | goto fail;
|
2930 | 7e1b35b4 | Gerd Hoffmann | } |
2931 | 7e1b35b4 | Gerd Hoffmann | } |
2932 | 7e1b35b4 | Gerd Hoffmann | qemu_opt_set(opts, "host", host);
|
2933 | 7e1b35b4 | Gerd Hoffmann | qemu_opt_set(opts, "port", port);
|
2934 | 7e1b35b4 | Gerd Hoffmann | if (p[pos] == '@') { |
2935 | 7e1b35b4 | Gerd Hoffmann | p += pos + 1;
|
2936 | 7e1b35b4 | Gerd Hoffmann | if (sscanf(p, "%64[^:]:%32[^,]%n", host, port, &pos) < 2) { |
2937 | 7e1b35b4 | Gerd Hoffmann | host[0] = 0; |
2938 | 7e1b35b4 | Gerd Hoffmann | if (sscanf(p, ":%32[^,]%n", port, &pos) < 1) { |
2939 | 7e1b35b4 | Gerd Hoffmann | goto fail;
|
2940 | 7e1b35b4 | Gerd Hoffmann | } |
2941 | 7e1b35b4 | Gerd Hoffmann | } |
2942 | 7e1b35b4 | Gerd Hoffmann | qemu_opt_set(opts, "localaddr", host);
|
2943 | 7e1b35b4 | Gerd Hoffmann | qemu_opt_set(opts, "localport", port);
|
2944 | 7e1b35b4 | Gerd Hoffmann | } |
2945 | 7e1b35b4 | Gerd Hoffmann | return opts;
|
2946 | 7e1b35b4 | Gerd Hoffmann | } |
2947 | aeb2c47a | Gerd Hoffmann | if (strstart(filename, "unix:", &p)) { |
2948 | aeb2c47a | Gerd Hoffmann | qemu_opt_set(opts, "backend", "socket"); |
2949 | aeb2c47a | Gerd Hoffmann | if (qemu_opts_do_parse(opts, p, "path") != 0) |
2950 | aeb2c47a | Gerd Hoffmann | goto fail;
|
2951 | aeb2c47a | Gerd Hoffmann | return opts;
|
2952 | aeb2c47a | Gerd Hoffmann | } |
2953 | 48b76496 | Gerd Hoffmann | if (strstart(filename, "/dev/parport", NULL) || |
2954 | 48b76496 | Gerd Hoffmann | strstart(filename, "/dev/ppi", NULL)) { |
2955 | 48b76496 | Gerd Hoffmann | qemu_opt_set(opts, "backend", "parport"); |
2956 | 48b76496 | Gerd Hoffmann | qemu_opt_set(opts, "path", filename);
|
2957 | 48b76496 | Gerd Hoffmann | return opts;
|
2958 | 48b76496 | Gerd Hoffmann | } |
2959 | 48b76496 | Gerd Hoffmann | if (strstart(filename, "/dev/", NULL)) { |
2960 | 48b76496 | Gerd Hoffmann | qemu_opt_set(opts, "backend", "tty"); |
2961 | 48b76496 | Gerd Hoffmann | qemu_opt_set(opts, "path", filename);
|
2962 | 48b76496 | Gerd Hoffmann | return opts;
|
2963 | 48b76496 | Gerd Hoffmann | } |
2964 | 191bc01b | Gerd Hoffmann | |
2965 | aeb2c47a | Gerd Hoffmann | fail:
|
2966 | 191bc01b | Gerd Hoffmann | qemu_opts_del(opts); |
2967 | 191bc01b | Gerd Hoffmann | return NULL; |
2968 | 191bc01b | Gerd Hoffmann | } |
2969 | 191bc01b | Gerd Hoffmann | |
2970 | 88a946d3 | Gerd Hoffmann | #ifdef HAVE_CHARDEV_PARPORT
|
2971 | 88a946d3 | Gerd Hoffmann | |
2972 | 88a946d3 | Gerd Hoffmann | static CharDriverState *qemu_chr_open_pp(QemuOpts *opts)
|
2973 | 88a946d3 | Gerd Hoffmann | { |
2974 | 88a946d3 | Gerd Hoffmann | const char *filename = qemu_opt_get(opts, "path"); |
2975 | 88a946d3 | Gerd Hoffmann | int fd;
|
2976 | 88a946d3 | Gerd Hoffmann | |
2977 | 88a946d3 | Gerd Hoffmann | fd = qemu_open(filename, O_RDWR); |
2978 | 88a946d3 | Gerd Hoffmann | if (fd < 0) { |
2979 | 88a946d3 | Gerd Hoffmann | return NULL; |
2980 | 88a946d3 | Gerd Hoffmann | } |
2981 | 88a946d3 | Gerd Hoffmann | return qemu_chr_open_pp_fd(fd);
|
2982 | 88a946d3 | Gerd Hoffmann | } |
2983 | 88a946d3 | Gerd Hoffmann | |
2984 | 88a946d3 | Gerd Hoffmann | #endif
|
2985 | 88a946d3 | Gerd Hoffmann | |
2986 | 191bc01b | Gerd Hoffmann | static const struct { |
2987 | 191bc01b | Gerd Hoffmann | const char *name; |
2988 | 1f51470d | Markus Armbruster | CharDriverState *(*open)(QemuOpts *opts); |
2989 | 191bc01b | Gerd Hoffmann | } backend_table[] = { |
2990 | 191bc01b | Gerd Hoffmann | { .name = "null", .open = qemu_chr_open_null },
|
2991 | aeb2c47a | Gerd Hoffmann | { .name = "socket", .open = qemu_chr_open_socket },
|
2992 | 7e1b35b4 | Gerd Hoffmann | { .name = "udp", .open = qemu_chr_open_udp },
|
2993 | f0457e8d | Gerd Hoffmann | { .name = "msmouse", .open = qemu_chr_open_msmouse },
|
2994 | 6ea314d9 | Gerd Hoffmann | { .name = "vc", .open = text_console_init },
|
2995 | 51767e7c | Lei Li | { .name = "memory", .open = qemu_chr_open_cirmemchr },
|
2996 | 7d31544f | Gerd Hoffmann | #ifdef _WIN32
|
2997 | 7d31544f | Gerd Hoffmann | { .name = "file", .open = qemu_chr_open_win_file_out },
|
2998 | 7d31544f | Gerd Hoffmann | { .name = "pipe", .open = qemu_chr_open_win_pipe },
|
2999 | d6c983cd | Gerd Hoffmann | { .name = "console", .open = qemu_chr_open_win_con },
|
3000 | 48b76496 | Gerd Hoffmann | { .name = "serial", .open = qemu_chr_open_win },
|
3001 | db418a0a | Fabien Chouteau | { .name = "stdio", .open = qemu_chr_open_win_stdio },
|
3002 | 7d31544f | Gerd Hoffmann | #else
|
3003 | 7d31544f | Gerd Hoffmann | { .name = "file", .open = qemu_chr_open_file_out },
|
3004 | 7d31544f | Gerd Hoffmann | { .name = "pipe", .open = qemu_chr_open_pipe },
|
3005 | 3c17affb | Gerd Hoffmann | { .name = "stdio", .open = qemu_chr_open_stdio },
|
3006 | 7d31544f | Gerd Hoffmann | #endif
|
3007 | dc1c21e6 | Gerd Hoffmann | #ifdef CONFIG_BRLAPI
|
3008 | dc1c21e6 | Gerd Hoffmann | { .name = "braille", .open = chr_baum_init },
|
3009 | dc1c21e6 | Gerd Hoffmann | #endif
|
3010 | e551498e | Gerd Hoffmann | #ifdef HAVE_CHARDEV_TTY
|
3011 | 48b76496 | Gerd Hoffmann | { .name = "tty", .open = qemu_chr_open_tty },
|
3012 | d59044ef | Gerd Hoffmann | { .name = "serial", .open = qemu_chr_open_tty },
|
3013 | e551498e | Gerd Hoffmann | { .name = "pty", .open = qemu_chr_open_pty },
|
3014 | 48b76496 | Gerd Hoffmann | #endif
|
3015 | e551498e | Gerd Hoffmann | #ifdef HAVE_CHARDEV_PARPORT
|
3016 | 88a946d3 | Gerd Hoffmann | { .name = "parallel", .open = qemu_chr_open_pp },
|
3017 | 48b76496 | Gerd Hoffmann | { .name = "parport", .open = qemu_chr_open_pp },
|
3018 | 48b76496 | Gerd Hoffmann | #endif
|
3019 | cbcc6336 | Alon Levy | #ifdef CONFIG_SPICE
|
3020 | cbcc6336 | Alon Levy | { .name = "spicevmc", .open = qemu_chr_open_spice },
|
3021 | 5a49d3e9 | Marc-Andrรฉ Lureau | #if SPICE_SERVER_VERSION >= 0x000c02 |
3022 | 5a49d3e9 | Marc-Andrรฉ Lureau | { .name = "spiceport", .open = qemu_chr_open_spice_port },
|
3023 | 5a49d3e9 | Marc-Andrรฉ Lureau | #endif
|
3024 | cbcc6336 | Alon Levy | #endif
|
3025 | 191bc01b | Gerd Hoffmann | }; |
3026 | 191bc01b | Gerd Hoffmann | |
3027 | f69554b9 | Anthony Liguori | CharDriverState *qemu_chr_new_from_opts(QemuOpts *opts, |
3028 | bd2d80b2 | Gerd Hoffmann | void (*init)(struct CharDriverState *s), |
3029 | bd2d80b2 | Gerd Hoffmann | Error **errp) |
3030 | 191bc01b | Gerd Hoffmann | { |
3031 | 191bc01b | Gerd Hoffmann | CharDriverState *chr; |
3032 | 191bc01b | Gerd Hoffmann | int i;
|
3033 | 191bc01b | Gerd Hoffmann | |
3034 | 191bc01b | Gerd Hoffmann | if (qemu_opts_id(opts) == NULL) { |
3035 | bd2d80b2 | Gerd Hoffmann | error_setg(errp, "chardev: no id specified\n");
|
3036 | 2274ae9d | Gerd Hoffmann | goto err;
|
3037 | 191bc01b | Gerd Hoffmann | } |
3038 | 191bc01b | Gerd Hoffmann | |
3039 | 1bbd185f | Stefan Hajnoczi | if (qemu_opt_get(opts, "backend") == NULL) { |
3040 | bd2d80b2 | Gerd Hoffmann | error_setg(errp, "chardev: \"%s\" missing backend\n",
|
3041 | bd2d80b2 | Gerd Hoffmann | qemu_opts_id(opts)); |
3042 | 2274ae9d | Gerd Hoffmann | goto err;
|
3043 | 1bbd185f | Stefan Hajnoczi | } |
3044 | 191bc01b | Gerd Hoffmann | for (i = 0; i < ARRAY_SIZE(backend_table); i++) { |
3045 | 191bc01b | Gerd Hoffmann | if (strcmp(backend_table[i].name, qemu_opt_get(opts, "backend")) == 0) |
3046 | 191bc01b | Gerd Hoffmann | break;
|
3047 | 191bc01b | Gerd Hoffmann | } |
3048 | 191bc01b | Gerd Hoffmann | if (i == ARRAY_SIZE(backend_table)) {
|
3049 | bd2d80b2 | Gerd Hoffmann | error_setg(errp, "chardev: backend \"%s\" not found\n",
|
3050 | bd2d80b2 | Gerd Hoffmann | qemu_opt_get(opts, "backend"));
|
3051 | 2274ae9d | Gerd Hoffmann | goto err;
|
3052 | 191bc01b | Gerd Hoffmann | } |
3053 | 191bc01b | Gerd Hoffmann | |
3054 | 1f51470d | Markus Armbruster | chr = backend_table[i].open(opts); |
3055 | 1f51470d | Markus Armbruster | if (!chr) {
|
3056 | bd2d80b2 | Gerd Hoffmann | error_setg(errp, "chardev: opening backend \"%s\" failed\n",
|
3057 | bd2d80b2 | Gerd Hoffmann | qemu_opt_get(opts, "backend"));
|
3058 | 2274ae9d | Gerd Hoffmann | goto err;
|
3059 | 191bc01b | Gerd Hoffmann | } |
3060 | 191bc01b | Gerd Hoffmann | |
3061 | 191bc01b | Gerd Hoffmann | if (!chr->filename)
|
3062 | 7267c094 | Anthony Liguori | chr->filename = g_strdup(qemu_opt_get(opts, "backend"));
|
3063 | 191bc01b | Gerd Hoffmann | chr->init = init; |
3064 | 72cf2d4f | Blue Swirl | QTAILQ_INSERT_TAIL(&chardevs, chr, next); |
3065 | 7591c5c1 | Gerd Hoffmann | |
3066 | 7591c5c1 | Gerd Hoffmann | if (qemu_opt_get_bool(opts, "mux", 0)) { |
3067 | 7591c5c1 | Gerd Hoffmann | CharDriverState *base = chr; |
3068 | 7591c5c1 | Gerd Hoffmann | int len = strlen(qemu_opts_id(opts)) + 6; |
3069 | 7267c094 | Anthony Liguori | base->label = g_malloc(len); |
3070 | 7591c5c1 | Gerd Hoffmann | snprintf(base->label, len, "%s-base", qemu_opts_id(opts));
|
3071 | 7591c5c1 | Gerd Hoffmann | chr = qemu_chr_open_mux(base); |
3072 | 7591c5c1 | Gerd Hoffmann | chr->filename = base->filename; |
3073 | d5b27167 | Kusanagi Kouichi | chr->avail_connections = MAX_MUX; |
3074 | 72cf2d4f | Blue Swirl | QTAILQ_INSERT_TAIL(&chardevs, chr, next); |
3075 | d5b27167 | Kusanagi Kouichi | } else {
|
3076 | d5b27167 | Kusanagi Kouichi | chr->avail_connections = 1;
|
3077 | 7591c5c1 | Gerd Hoffmann | } |
3078 | 7267c094 | Anthony Liguori | chr->label = g_strdup(qemu_opts_id(opts)); |
3079 | 2274ae9d | Gerd Hoffmann | chr->opts = opts; |
3080 | 191bc01b | Gerd Hoffmann | return chr;
|
3081 | 2274ae9d | Gerd Hoffmann | |
3082 | 2274ae9d | Gerd Hoffmann | err:
|
3083 | 2274ae9d | Gerd Hoffmann | qemu_opts_del(opts); |
3084 | 2274ae9d | Gerd Hoffmann | return NULL; |
3085 | 191bc01b | Gerd Hoffmann | } |
3086 | 191bc01b | Gerd Hoffmann | |
3087 | 27143a44 | Anthony Liguori | CharDriverState *qemu_chr_new(const char *label, const char *filename, void (*init)(struct CharDriverState *s)) |
3088 | 6f97dba0 | aliguori | { |
3089 | 6f97dba0 | aliguori | const char *p; |
3090 | 6f97dba0 | aliguori | CharDriverState *chr; |
3091 | 191bc01b | Gerd Hoffmann | QemuOpts *opts; |
3092 | bd2d80b2 | Gerd Hoffmann | Error *err = NULL;
|
3093 | 191bc01b | Gerd Hoffmann | |
3094 | c845f401 | Gerd Hoffmann | if (strstart(filename, "chardev:", &p)) { |
3095 | c845f401 | Gerd Hoffmann | return qemu_chr_find(p);
|
3096 | c845f401 | Gerd Hoffmann | } |
3097 | c845f401 | Gerd Hoffmann | |
3098 | 191bc01b | Gerd Hoffmann | opts = qemu_chr_parse_compat(label, filename); |
3099 | 7e1b35b4 | Gerd Hoffmann | if (!opts)
|
3100 | 7e1b35b4 | Gerd Hoffmann | return NULL; |
3101 | 6f97dba0 | aliguori | |
3102 | bd2d80b2 | Gerd Hoffmann | chr = qemu_chr_new_from_opts(opts, init, &err); |
3103 | bd2d80b2 | Gerd Hoffmann | if (error_is_set(&err)) {
|
3104 | bd2d80b2 | Gerd Hoffmann | fprintf(stderr, "%s\n", error_get_pretty(err));
|
3105 | bd2d80b2 | Gerd Hoffmann | error_free(err); |
3106 | bd2d80b2 | Gerd Hoffmann | } |
3107 | 7e1b35b4 | Gerd Hoffmann | if (chr && qemu_opt_get_bool(opts, "mux", 0)) { |
3108 | 7e1b35b4 | Gerd Hoffmann | monitor_init(chr, MONITOR_USE_READLINE); |
3109 | 6f97dba0 | aliguori | } |
3110 | 6f97dba0 | aliguori | return chr;
|
3111 | 6f97dba0 | aliguori | } |
3112 | 6f97dba0 | aliguori | |
3113 | 15f31519 | Anthony Liguori | void qemu_chr_fe_set_echo(struct CharDriverState *chr, bool echo) |
3114 | c48855e1 | Paolo Bonzini | { |
3115 | c48855e1 | Paolo Bonzini | if (chr->chr_set_echo) {
|
3116 | c48855e1 | Paolo Bonzini | chr->chr_set_echo(chr, echo); |
3117 | c48855e1 | Paolo Bonzini | } |
3118 | c48855e1 | Paolo Bonzini | } |
3119 | c48855e1 | Paolo Bonzini | |
3120 | c9d830ed | Anthony Liguori | void qemu_chr_fe_open(struct CharDriverState *chr) |
3121 | 7c32c4fe | Hans de Goede | { |
3122 | 7c32c4fe | Hans de Goede | if (chr->chr_guest_open) {
|
3123 | 7c32c4fe | Hans de Goede | chr->chr_guest_open(chr); |
3124 | 7c32c4fe | Hans de Goede | } |
3125 | 7c32c4fe | Hans de Goede | } |
3126 | 7c32c4fe | Hans de Goede | |
3127 | 2817822d | Anthony Liguori | void qemu_chr_fe_close(struct CharDriverState *chr) |
3128 | 7c32c4fe | Hans de Goede | { |
3129 | 7c32c4fe | Hans de Goede | if (chr->chr_guest_close) {
|
3130 | 7c32c4fe | Hans de Goede | chr->chr_guest_close(chr); |
3131 | 7c32c4fe | Hans de Goede | } |
3132 | 7c32c4fe | Hans de Goede | } |
3133 | 7c32c4fe | Hans de Goede | |
3134 | 70f24fb6 | Anthony Liguori | void qemu_chr_delete(CharDriverState *chr)
|
3135 | 6f97dba0 | aliguori | { |
3136 | 72cf2d4f | Blue Swirl | QTAILQ_REMOVE(&chardevs, chr, next); |
3137 | 2274ae9d | Gerd Hoffmann | if (chr->chr_close) {
|
3138 | 6f97dba0 | aliguori | chr->chr_close(chr); |
3139 | 2274ae9d | Gerd Hoffmann | } |
3140 | 7267c094 | Anthony Liguori | g_free(chr->filename); |
3141 | 7267c094 | Anthony Liguori | g_free(chr->label); |
3142 | 2274ae9d | Gerd Hoffmann | if (chr->opts) {
|
3143 | 2274ae9d | Gerd Hoffmann | qemu_opts_del(chr->opts); |
3144 | 2274ae9d | Gerd Hoffmann | } |
3145 | 7267c094 | Anthony Liguori | g_free(chr); |
3146 | 6f97dba0 | aliguori | } |
3147 | 6f97dba0 | aliguori | |
3148 | c5a415a0 | Luiz Capitulino | ChardevInfoList *qmp_query_chardev(Error **errp) |
3149 | 6f97dba0 | aliguori | { |
3150 | c5a415a0 | Luiz Capitulino | ChardevInfoList *chr_list = NULL;
|
3151 | 6f97dba0 | aliguori | CharDriverState *chr; |
3152 | 6f97dba0 | aliguori | |
3153 | 72cf2d4f | Blue Swirl | QTAILQ_FOREACH(chr, &chardevs, next) { |
3154 | c5a415a0 | Luiz Capitulino | ChardevInfoList *info = g_malloc0(sizeof(*info));
|
3155 | c5a415a0 | Luiz Capitulino | info->value = g_malloc0(sizeof(*info->value));
|
3156 | c5a415a0 | Luiz Capitulino | info->value->label = g_strdup(chr->label); |
3157 | c5a415a0 | Luiz Capitulino | info->value->filename = g_strdup(chr->filename); |
3158 | c5a415a0 | Luiz Capitulino | |
3159 | c5a415a0 | Luiz Capitulino | info->next = chr_list; |
3160 | c5a415a0 | Luiz Capitulino | chr_list = info; |
3161 | 6f97dba0 | aliguori | } |
3162 | 588b3832 | Luiz Capitulino | |
3163 | c5a415a0 | Luiz Capitulino | return chr_list;
|
3164 | 6f97dba0 | aliguori | } |
3165 | c845f401 | Gerd Hoffmann | |
3166 | c845f401 | Gerd Hoffmann | CharDriverState *qemu_chr_find(const char *name) |
3167 | c845f401 | Gerd Hoffmann | { |
3168 | c845f401 | Gerd Hoffmann | CharDriverState *chr; |
3169 | c845f401 | Gerd Hoffmann | |
3170 | 72cf2d4f | Blue Swirl | QTAILQ_FOREACH(chr, &chardevs, next) { |
3171 | c845f401 | Gerd Hoffmann | if (strcmp(chr->label, name) != 0) |
3172 | c845f401 | Gerd Hoffmann | continue;
|
3173 | c845f401 | Gerd Hoffmann | return chr;
|
3174 | c845f401 | Gerd Hoffmann | } |
3175 | c845f401 | Gerd Hoffmann | return NULL; |
3176 | c845f401 | Gerd Hoffmann | } |
3177 | 0beb4942 | Anthony Liguori | |
3178 | 0beb4942 | Anthony Liguori | /* Get a character (serial) device interface. */
|
3179 | 0beb4942 | Anthony Liguori | CharDriverState *qemu_char_get_next_serial(void)
|
3180 | 0beb4942 | Anthony Liguori | { |
3181 | 0beb4942 | Anthony Liguori | static int next_serial; |
3182 | 0beb4942 | Anthony Liguori | |
3183 | 0beb4942 | Anthony Liguori | /* FIXME: This function needs to go away: use chardev properties! */
|
3184 | 0beb4942 | Anthony Liguori | return serial_hds[next_serial++];
|
3185 | 0beb4942 | Anthony Liguori | } |
3186 | 0beb4942 | Anthony Liguori | |
3187 | 4d454574 | Paolo Bonzini | QemuOptsList qemu_chardev_opts = { |
3188 | 4d454574 | Paolo Bonzini | .name = "chardev",
|
3189 | 4d454574 | Paolo Bonzini | .implied_opt_name = "backend",
|
3190 | 4d454574 | Paolo Bonzini | .head = QTAILQ_HEAD_INITIALIZER(qemu_chardev_opts.head), |
3191 | 4d454574 | Paolo Bonzini | .desc = { |
3192 | 4d454574 | Paolo Bonzini | { |
3193 | 4d454574 | Paolo Bonzini | .name = "backend",
|
3194 | 4d454574 | Paolo Bonzini | .type = QEMU_OPT_STRING, |
3195 | 4d454574 | Paolo Bonzini | },{ |
3196 | 4d454574 | Paolo Bonzini | .name = "path",
|
3197 | 4d454574 | Paolo Bonzini | .type = QEMU_OPT_STRING, |
3198 | 4d454574 | Paolo Bonzini | },{ |
3199 | 4d454574 | Paolo Bonzini | .name = "host",
|
3200 | 4d454574 | Paolo Bonzini | .type = QEMU_OPT_STRING, |
3201 | 4d454574 | Paolo Bonzini | },{ |
3202 | 4d454574 | Paolo Bonzini | .name = "port",
|
3203 | 4d454574 | Paolo Bonzini | .type = QEMU_OPT_STRING, |
3204 | 4d454574 | Paolo Bonzini | },{ |
3205 | 4d454574 | Paolo Bonzini | .name = "localaddr",
|
3206 | 4d454574 | Paolo Bonzini | .type = QEMU_OPT_STRING, |
3207 | 4d454574 | Paolo Bonzini | },{ |
3208 | 4d454574 | Paolo Bonzini | .name = "localport",
|
3209 | 4d454574 | Paolo Bonzini | .type = QEMU_OPT_STRING, |
3210 | 4d454574 | Paolo Bonzini | },{ |
3211 | 4d454574 | Paolo Bonzini | .name = "to",
|
3212 | 4d454574 | Paolo Bonzini | .type = QEMU_OPT_NUMBER, |
3213 | 4d454574 | Paolo Bonzini | },{ |
3214 | 4d454574 | Paolo Bonzini | .name = "ipv4",
|
3215 | 4d454574 | Paolo Bonzini | .type = QEMU_OPT_BOOL, |
3216 | 4d454574 | Paolo Bonzini | },{ |
3217 | 4d454574 | Paolo Bonzini | .name = "ipv6",
|
3218 | 4d454574 | Paolo Bonzini | .type = QEMU_OPT_BOOL, |
3219 | 4d454574 | Paolo Bonzini | },{ |
3220 | 4d454574 | Paolo Bonzini | .name = "wait",
|
3221 | 4d454574 | Paolo Bonzini | .type = QEMU_OPT_BOOL, |
3222 | 4d454574 | Paolo Bonzini | },{ |
3223 | 4d454574 | Paolo Bonzini | .name = "server",
|
3224 | 4d454574 | Paolo Bonzini | .type = QEMU_OPT_BOOL, |
3225 | 4d454574 | Paolo Bonzini | },{ |
3226 | 4d454574 | Paolo Bonzini | .name = "delay",
|
3227 | 4d454574 | Paolo Bonzini | .type = QEMU_OPT_BOOL, |
3228 | 4d454574 | Paolo Bonzini | },{ |
3229 | 4d454574 | Paolo Bonzini | .name = "telnet",
|
3230 | 4d454574 | Paolo Bonzini | .type = QEMU_OPT_BOOL, |
3231 | 4d454574 | Paolo Bonzini | },{ |
3232 | 4d454574 | Paolo Bonzini | .name = "width",
|
3233 | 4d454574 | Paolo Bonzini | .type = QEMU_OPT_NUMBER, |
3234 | 4d454574 | Paolo Bonzini | },{ |
3235 | 4d454574 | Paolo Bonzini | .name = "height",
|
3236 | 4d454574 | Paolo Bonzini | .type = QEMU_OPT_NUMBER, |
3237 | 4d454574 | Paolo Bonzini | },{ |
3238 | 4d454574 | Paolo Bonzini | .name = "cols",
|
3239 | 4d454574 | Paolo Bonzini | .type = QEMU_OPT_NUMBER, |
3240 | 4d454574 | Paolo Bonzini | },{ |
3241 | 4d454574 | Paolo Bonzini | .name = "rows",
|
3242 | 4d454574 | Paolo Bonzini | .type = QEMU_OPT_NUMBER, |
3243 | 4d454574 | Paolo Bonzini | },{ |
3244 | 4d454574 | Paolo Bonzini | .name = "mux",
|
3245 | 4d454574 | Paolo Bonzini | .type = QEMU_OPT_BOOL, |
3246 | 4d454574 | Paolo Bonzini | },{ |
3247 | 4d454574 | Paolo Bonzini | .name = "signal",
|
3248 | 4d454574 | Paolo Bonzini | .type = QEMU_OPT_BOOL, |
3249 | 4d454574 | Paolo Bonzini | },{ |
3250 | 4d454574 | Paolo Bonzini | .name = "name",
|
3251 | 4d454574 | Paolo Bonzini | .type = QEMU_OPT_STRING, |
3252 | 4d454574 | Paolo Bonzini | },{ |
3253 | 4d454574 | Paolo Bonzini | .name = "debug",
|
3254 | 4d454574 | Paolo Bonzini | .type = QEMU_OPT_NUMBER, |
3255 | 51767e7c | Lei Li | },{ |
3256 | 51767e7c | Lei Li | .name = "maxcapacity",
|
3257 | 51767e7c | Lei Li | .type = QEMU_OPT_NUMBER, |
3258 | 4d454574 | Paolo Bonzini | }, |
3259 | 4d454574 | Paolo Bonzini | { /* end of list */ }
|
3260 | 4d454574 | Paolo Bonzini | }, |
3261 | 4d454574 | Paolo Bonzini | }; |
3262 | f1a1a356 | Gerd Hoffmann | |
3263 | ffbdbe59 | Gerd Hoffmann | #ifdef _WIN32
|
3264 | ffbdbe59 | Gerd Hoffmann | |
3265 | ffbdbe59 | Gerd Hoffmann | static CharDriverState *qmp_chardev_open_file(ChardevFile *file, Error **errp)
|
3266 | ffbdbe59 | Gerd Hoffmann | { |
3267 | ffbdbe59 | Gerd Hoffmann | HANDLE out; |
3268 | ffbdbe59 | Gerd Hoffmann | |
3269 | ffbdbe59 | Gerd Hoffmann | if (file->in) {
|
3270 | ffbdbe59 | Gerd Hoffmann | error_setg(errp, "input file not supported");
|
3271 | ffbdbe59 | Gerd Hoffmann | return NULL; |
3272 | ffbdbe59 | Gerd Hoffmann | } |
3273 | ffbdbe59 | Gerd Hoffmann | |
3274 | ffbdbe59 | Gerd Hoffmann | out = CreateFile(file->out, GENERIC_WRITE, FILE_SHARE_READ, NULL,
|
3275 | ffbdbe59 | Gerd Hoffmann | OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
|
3276 | ffbdbe59 | Gerd Hoffmann | if (out == INVALID_HANDLE_VALUE) {
|
3277 | ffbdbe59 | Gerd Hoffmann | error_setg(errp, "open %s failed", file->out);
|
3278 | ffbdbe59 | Gerd Hoffmann | return NULL; |
3279 | ffbdbe59 | Gerd Hoffmann | } |
3280 | ffbdbe59 | Gerd Hoffmann | return qemu_chr_open_win_file(out);
|
3281 | ffbdbe59 | Gerd Hoffmann | } |
3282 | ffbdbe59 | Gerd Hoffmann | |
3283 | d59044ef | Gerd Hoffmann | static CharDriverState *qmp_chardev_open_port(ChardevPort *port, Error **errp)
|
3284 | d59044ef | Gerd Hoffmann | { |
3285 | d59044ef | Gerd Hoffmann | switch (port->type) {
|
3286 | d59044ef | Gerd Hoffmann | case CHARDEV_PORT_KIND_SERIAL:
|
3287 | d59044ef | Gerd Hoffmann | return qemu_chr_open_win_path(port->device);
|
3288 | d59044ef | Gerd Hoffmann | default:
|
3289 | d59044ef | Gerd Hoffmann | error_setg(errp, "unknown chardev port (%d)", port->type);
|
3290 | d59044ef | Gerd Hoffmann | return NULL; |
3291 | d59044ef | Gerd Hoffmann | } |
3292 | d59044ef | Gerd Hoffmann | } |
3293 | d59044ef | Gerd Hoffmann | |
3294 | ffbdbe59 | Gerd Hoffmann | #else /* WIN32 */ |
3295 | ffbdbe59 | Gerd Hoffmann | |
3296 | ffbdbe59 | Gerd Hoffmann | static int qmp_chardev_open_file_source(char *src, int flags, |
3297 | ffbdbe59 | Gerd Hoffmann | Error **errp) |
3298 | ffbdbe59 | Gerd Hoffmann | { |
3299 | ffbdbe59 | Gerd Hoffmann | int fd = -1; |
3300 | ffbdbe59 | Gerd Hoffmann | |
3301 | ffbdbe59 | Gerd Hoffmann | TFR(fd = qemu_open(src, flags, 0666));
|
3302 | ffbdbe59 | Gerd Hoffmann | if (fd == -1) { |
3303 | ffbdbe59 | Gerd Hoffmann | error_setg(errp, "open %s: %s", src, strerror(errno));
|
3304 | ffbdbe59 | Gerd Hoffmann | } |
3305 | ffbdbe59 | Gerd Hoffmann | return fd;
|
3306 | ffbdbe59 | Gerd Hoffmann | } |
3307 | ffbdbe59 | Gerd Hoffmann | |
3308 | ffbdbe59 | Gerd Hoffmann | static CharDriverState *qmp_chardev_open_file(ChardevFile *file, Error **errp)
|
3309 | ffbdbe59 | Gerd Hoffmann | { |
3310 | ffbdbe59 | Gerd Hoffmann | int flags, in = -1, out = -1; |
3311 | ffbdbe59 | Gerd Hoffmann | |
3312 | ffbdbe59 | Gerd Hoffmann | flags = O_WRONLY | O_TRUNC | O_CREAT | O_BINARY; |
3313 | ffbdbe59 | Gerd Hoffmann | out = qmp_chardev_open_file_source(file->out, flags, errp); |
3314 | ffbdbe59 | Gerd Hoffmann | if (error_is_set(errp)) {
|
3315 | ffbdbe59 | Gerd Hoffmann | return NULL; |
3316 | ffbdbe59 | Gerd Hoffmann | } |
3317 | ffbdbe59 | Gerd Hoffmann | |
3318 | ffbdbe59 | Gerd Hoffmann | if (file->in) {
|
3319 | ffbdbe59 | Gerd Hoffmann | flags = O_RDONLY; |
3320 | ffbdbe59 | Gerd Hoffmann | in = qmp_chardev_open_file_source(file->in, flags, errp); |
3321 | ffbdbe59 | Gerd Hoffmann | if (error_is_set(errp)) {
|
3322 | ffbdbe59 | Gerd Hoffmann | qemu_close(out); |
3323 | ffbdbe59 | Gerd Hoffmann | return NULL; |
3324 | ffbdbe59 | Gerd Hoffmann | } |
3325 | ffbdbe59 | Gerd Hoffmann | } |
3326 | ffbdbe59 | Gerd Hoffmann | |
3327 | ffbdbe59 | Gerd Hoffmann | return qemu_chr_open_fd(in, out);
|
3328 | ffbdbe59 | Gerd Hoffmann | } |
3329 | ffbdbe59 | Gerd Hoffmann | |
3330 | d59044ef | Gerd Hoffmann | static CharDriverState *qmp_chardev_open_port(ChardevPort *port, Error **errp)
|
3331 | d59044ef | Gerd Hoffmann | { |
3332 | d59044ef | Gerd Hoffmann | switch (port->type) {
|
3333 | d59044ef | Gerd Hoffmann | #ifdef HAVE_CHARDEV_TTY
|
3334 | d59044ef | Gerd Hoffmann | case CHARDEV_PORT_KIND_SERIAL:
|
3335 | 39099991 | Peter Maydell | { |
3336 | 39099991 | Peter Maydell | int flags, fd;
|
3337 | d59044ef | Gerd Hoffmann | flags = O_RDWR; |
3338 | d59044ef | Gerd Hoffmann | fd = qmp_chardev_open_file_source(port->device, flags, errp); |
3339 | d59044ef | Gerd Hoffmann | if (error_is_set(errp)) {
|
3340 | d59044ef | Gerd Hoffmann | return NULL; |
3341 | d59044ef | Gerd Hoffmann | } |
3342 | d59044ef | Gerd Hoffmann | socket_set_nonblock(fd); |
3343 | d59044ef | Gerd Hoffmann | return qemu_chr_open_tty_fd(fd);
|
3344 | 39099991 | Peter Maydell | } |
3345 | d59044ef | Gerd Hoffmann | #endif
|
3346 | 88a946d3 | Gerd Hoffmann | #ifdef HAVE_CHARDEV_PARPORT
|
3347 | 88a946d3 | Gerd Hoffmann | case CHARDEV_PORT_KIND_PARALLEL:
|
3348 | 39099991 | Peter Maydell | { |
3349 | 39099991 | Peter Maydell | int flags, fd;
|
3350 | 88a946d3 | Gerd Hoffmann | flags = O_RDWR; |
3351 | 88a946d3 | Gerd Hoffmann | fd = qmp_chardev_open_file_source(port->device, flags, errp); |
3352 | 88a946d3 | Gerd Hoffmann | if (error_is_set(errp)) {
|
3353 | 88a946d3 | Gerd Hoffmann | return NULL; |
3354 | 88a946d3 | Gerd Hoffmann | } |
3355 | 88a946d3 | Gerd Hoffmann | return qemu_chr_open_pp_fd(fd);
|
3356 | 39099991 | Peter Maydell | } |
3357 | 88a946d3 | Gerd Hoffmann | #endif
|
3358 | d59044ef | Gerd Hoffmann | default:
|
3359 | d59044ef | Gerd Hoffmann | error_setg(errp, "unknown chardev port (%d)", port->type);
|
3360 | d59044ef | Gerd Hoffmann | return NULL; |
3361 | d59044ef | Gerd Hoffmann | } |
3362 | d59044ef | Gerd Hoffmann | } |
3363 | d59044ef | Gerd Hoffmann | |
3364 | ffbdbe59 | Gerd Hoffmann | #endif /* WIN32 */ |
3365 | ffbdbe59 | Gerd Hoffmann | |
3366 | f6bd5d6e | Gerd Hoffmann | static CharDriverState *qmp_chardev_open_socket(ChardevSocket *sock,
|
3367 | f6bd5d6e | Gerd Hoffmann | Error **errp) |
3368 | f6bd5d6e | Gerd Hoffmann | { |
3369 | f6bd5d6e | Gerd Hoffmann | SocketAddress *addr = sock->addr; |
3370 | f6bd5d6e | Gerd Hoffmann | bool do_nodelay = sock->has_nodelay ? sock->nodelay : false; |
3371 | f6bd5d6e | Gerd Hoffmann | bool is_listen = sock->has_server ? sock->server : true; |
3372 | f6bd5d6e | Gerd Hoffmann | bool is_telnet = sock->has_telnet ? sock->telnet : false; |
3373 | f6bd5d6e | Gerd Hoffmann | bool is_waitconnect = sock->has_wait ? sock->wait : false; |
3374 | f6bd5d6e | Gerd Hoffmann | int fd;
|
3375 | f6bd5d6e | Gerd Hoffmann | |
3376 | f6bd5d6e | Gerd Hoffmann | if (is_listen) {
|
3377 | f6bd5d6e | Gerd Hoffmann | fd = socket_listen(addr, errp); |
3378 | f6bd5d6e | Gerd Hoffmann | } else {
|
3379 | f6bd5d6e | Gerd Hoffmann | fd = socket_connect(addr, errp, NULL, NULL); |
3380 | f6bd5d6e | Gerd Hoffmann | } |
3381 | f6bd5d6e | Gerd Hoffmann | if (error_is_set(errp)) {
|
3382 | f6bd5d6e | Gerd Hoffmann | return NULL; |
3383 | f6bd5d6e | Gerd Hoffmann | } |
3384 | f6bd5d6e | Gerd Hoffmann | return qemu_chr_open_socket_fd(fd, do_nodelay, is_listen,
|
3385 | f6bd5d6e | Gerd Hoffmann | is_telnet, is_waitconnect, errp); |
3386 | f6bd5d6e | Gerd Hoffmann | } |
3387 | f6bd5d6e | Gerd Hoffmann | |
3388 | f1a1a356 | Gerd Hoffmann | ChardevReturn *qmp_chardev_add(const char *id, ChardevBackend *backend, |
3389 | f1a1a356 | Gerd Hoffmann | Error **errp) |
3390 | f1a1a356 | Gerd Hoffmann | { |
3391 | f1a1a356 | Gerd Hoffmann | ChardevReturn *ret = g_new0(ChardevReturn, 1);
|
3392 | f1a1a356 | Gerd Hoffmann | CharDriverState *chr = NULL;
|
3393 | f1a1a356 | Gerd Hoffmann | |
3394 | f1a1a356 | Gerd Hoffmann | chr = qemu_chr_find(id); |
3395 | f1a1a356 | Gerd Hoffmann | if (chr) {
|
3396 | f1a1a356 | Gerd Hoffmann | error_setg(errp, "Chardev '%s' already exists", id);
|
3397 | f1a1a356 | Gerd Hoffmann | g_free(ret); |
3398 | f1a1a356 | Gerd Hoffmann | return NULL; |
3399 | f1a1a356 | Gerd Hoffmann | } |
3400 | f1a1a356 | Gerd Hoffmann | |
3401 | f1a1a356 | Gerd Hoffmann | switch (backend->kind) {
|
3402 | ffbdbe59 | Gerd Hoffmann | case CHARDEV_BACKEND_KIND_FILE:
|
3403 | ffbdbe59 | Gerd Hoffmann | chr = qmp_chardev_open_file(backend->file, errp); |
3404 | ffbdbe59 | Gerd Hoffmann | break;
|
3405 | d59044ef | Gerd Hoffmann | case CHARDEV_BACKEND_KIND_PORT:
|
3406 | d59044ef | Gerd Hoffmann | chr = qmp_chardev_open_port(backend->port, errp); |
3407 | d59044ef | Gerd Hoffmann | break;
|
3408 | f6bd5d6e | Gerd Hoffmann | case CHARDEV_BACKEND_KIND_SOCKET:
|
3409 | f6bd5d6e | Gerd Hoffmann | chr = qmp_chardev_open_socket(backend->socket, errp); |
3410 | f6bd5d6e | Gerd Hoffmann | break;
|
3411 | 0a1a7fab | Gerd Hoffmann | #ifdef HAVE_CHARDEV_TTY
|
3412 | 0a1a7fab | Gerd Hoffmann | case CHARDEV_BACKEND_KIND_PTY:
|
3413 | 0a1a7fab | Gerd Hoffmann | { |
3414 | 0a1a7fab | Gerd Hoffmann | /* qemu_chr_open_pty sets "path" in opts */
|
3415 | 0a1a7fab | Gerd Hoffmann | QemuOpts *opts; |
3416 | 0a1a7fab | Gerd Hoffmann | opts = qemu_opts_create_nofail(qemu_find_opts("chardev"));
|
3417 | 0a1a7fab | Gerd Hoffmann | chr = qemu_chr_open_pty(opts); |
3418 | 0a1a7fab | Gerd Hoffmann | ret->pty = g_strdup(qemu_opt_get(opts, "path"));
|
3419 | 0a1a7fab | Gerd Hoffmann | ret->has_pty = true;
|
3420 | 0a1a7fab | Gerd Hoffmann | qemu_opts_del(opts); |
3421 | 0a1a7fab | Gerd Hoffmann | break;
|
3422 | 0a1a7fab | Gerd Hoffmann | } |
3423 | 0a1a7fab | Gerd Hoffmann | #endif
|
3424 | f1a1a356 | Gerd Hoffmann | case CHARDEV_BACKEND_KIND_NULL:
|
3425 | f1a1a356 | Gerd Hoffmann | chr = qemu_chr_open_null(NULL);
|
3426 | f1a1a356 | Gerd Hoffmann | break;
|
3427 | f1a1a356 | Gerd Hoffmann | default:
|
3428 | f1a1a356 | Gerd Hoffmann | error_setg(errp, "unknown chardev backend (%d)", backend->kind);
|
3429 | f1a1a356 | Gerd Hoffmann | break;
|
3430 | f1a1a356 | Gerd Hoffmann | } |
3431 | f1a1a356 | Gerd Hoffmann | |
3432 | f1a1a356 | Gerd Hoffmann | if (chr == NULL && !error_is_set(errp)) { |
3433 | f1a1a356 | Gerd Hoffmann | error_setg(errp, "Failed to create chardev");
|
3434 | f1a1a356 | Gerd Hoffmann | } |
3435 | f1a1a356 | Gerd Hoffmann | if (chr) {
|
3436 | f1a1a356 | Gerd Hoffmann | chr->label = g_strdup(id); |
3437 | f1a1a356 | Gerd Hoffmann | chr->avail_connections = 1;
|
3438 | f1a1a356 | Gerd Hoffmann | QTAILQ_INSERT_TAIL(&chardevs, chr, next); |
3439 | f1a1a356 | Gerd Hoffmann | return ret;
|
3440 | f1a1a356 | Gerd Hoffmann | } else {
|
3441 | f1a1a356 | Gerd Hoffmann | g_free(ret); |
3442 | f1a1a356 | Gerd Hoffmann | return NULL; |
3443 | f1a1a356 | Gerd Hoffmann | } |
3444 | f1a1a356 | Gerd Hoffmann | } |
3445 | f1a1a356 | Gerd Hoffmann | |
3446 | f1a1a356 | Gerd Hoffmann | void qmp_chardev_remove(const char *id, Error **errp) |
3447 | f1a1a356 | Gerd Hoffmann | { |
3448 | f1a1a356 | Gerd Hoffmann | CharDriverState *chr; |
3449 | f1a1a356 | Gerd Hoffmann | |
3450 | f1a1a356 | Gerd Hoffmann | chr = qemu_chr_find(id); |
3451 | f1a1a356 | Gerd Hoffmann | if (NULL == chr) { |
3452 | f1a1a356 | Gerd Hoffmann | error_setg(errp, "Chardev '%s' not found", id);
|
3453 | f1a1a356 | Gerd Hoffmann | return;
|
3454 | f1a1a356 | Gerd Hoffmann | } |
3455 | f1a1a356 | Gerd Hoffmann | if (chr->chr_can_read || chr->chr_read ||
|
3456 | f1a1a356 | Gerd Hoffmann | chr->chr_event || chr->handler_opaque) { |
3457 | f1a1a356 | Gerd Hoffmann | error_setg(errp, "Chardev '%s' is busy", id);
|
3458 | f1a1a356 | Gerd Hoffmann | return;
|
3459 | f1a1a356 | Gerd Hoffmann | } |
3460 | f1a1a356 | Gerd Hoffmann | qemu_chr_delete(chr); |
3461 | f1a1a356 | Gerd Hoffmann | } |