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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 | 6f97dba0 | aliguori | #include "net.h" |
26 | 376253ec | aliguori | #include "monitor.h" |
27 | 6f97dba0 | aliguori | #include "console.h" |
28 | 6f97dba0 | aliguori | #include "sysemu.h" |
29 | 6f97dba0 | aliguori | #include "qemu-timer.h" |
30 | 6f97dba0 | aliguori | #include "qemu-char.h" |
31 | cf3ebac7 | aurel32 | #include "hw/usb.h" |
32 | cf3ebac7 | aurel32 | #include "hw/baum.h" |
33 | aa71cf80 | aurel32 | #include "hw/msmouse.h" |
34 | 588b3832 | Luiz Capitulino | #include "qemu-objects.h" |
35 | 6f97dba0 | aliguori | |
36 | 6f97dba0 | aliguori | #include <unistd.h> |
37 | 6f97dba0 | aliguori | #include <fcntl.h> |
38 | 6f97dba0 | aliguori | #include <signal.h> |
39 | 6f97dba0 | aliguori | #include <time.h> |
40 | 6f97dba0 | aliguori | #include <errno.h> |
41 | 6f97dba0 | aliguori | #include <sys/time.h> |
42 | 6f97dba0 | aliguori | #include <zlib.h> |
43 | 6f97dba0 | aliguori | |
44 | 6f97dba0 | aliguori | #ifndef _WIN32
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45 | 6f97dba0 | aliguori | #include <sys/times.h> |
46 | 6f97dba0 | aliguori | #include <sys/wait.h> |
47 | 6f97dba0 | aliguori | #include <termios.h> |
48 | 6f97dba0 | aliguori | #include <sys/mman.h> |
49 | 6f97dba0 | aliguori | #include <sys/ioctl.h> |
50 | 24646c7e | blueswir1 | #include <sys/resource.h> |
51 | 6f97dba0 | aliguori | #include <sys/socket.h> |
52 | 6f97dba0 | aliguori | #include <netinet/in.h> |
53 | 24646c7e | blueswir1 | #include <net/if.h> |
54 | 24646c7e | blueswir1 | #include <arpa/inet.h> |
55 | 6f97dba0 | aliguori | #include <dirent.h> |
56 | 6f97dba0 | aliguori | #include <netdb.h> |
57 | 6f97dba0 | aliguori | #include <sys/select.h> |
58 | 71e72a19 | Juan Quintela | #ifdef CONFIG_BSD
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59 | 6f97dba0 | aliguori | #include <sys/stat.h> |
60 | a167ba50 | Aurelien Jarno | #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
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61 | 6f97dba0 | aliguori | #include <libutil.h> |
62 | 6972f935 | blueswir1 | #include <dev/ppbus/ppi.h> |
63 | 6972f935 | blueswir1 | #include <dev/ppbus/ppbconf.h> |
64 | a167ba50 | Aurelien Jarno | #if defined(__GLIBC__)
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65 | a167ba50 | Aurelien Jarno | #include <pty.h> |
66 | a167ba50 | Aurelien Jarno | #endif
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67 | c5e97233 | blueswir1 | #elif defined(__DragonFly__)
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68 | c5e97233 | blueswir1 | #include <libutil.h> |
69 | c5e97233 | blueswir1 | #include <dev/misc/ppi/ppi.h> |
70 | c5e97233 | blueswir1 | #include <bus/ppbus/ppbconf.h> |
71 | 24646c7e | blueswir1 | #else
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72 | 24646c7e | blueswir1 | #include <util.h> |
73 | 6f97dba0 | aliguori | #endif
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74 | bbe813a2 | Aurelien Jarno | #else
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75 | 6f97dba0 | aliguori | #ifdef __linux__
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76 | 6f97dba0 | aliguori | #include <pty.h> |
77 | 6f97dba0 | aliguori | |
78 | 6f97dba0 | aliguori | #include <linux/ppdev.h> |
79 | 6f97dba0 | aliguori | #include <linux/parport.h> |
80 | 6f97dba0 | aliguori | #endif
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81 | 6f97dba0 | aliguori | #ifdef __sun__
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82 | 6f97dba0 | aliguori | #include <sys/stat.h> |
83 | 6f97dba0 | aliguori | #include <sys/ethernet.h> |
84 | 6f97dba0 | aliguori | #include <sys/sockio.h> |
85 | 6f97dba0 | aliguori | #include <netinet/arp.h> |
86 | 6f97dba0 | aliguori | #include <netinet/in.h> |
87 | 6f97dba0 | aliguori | #include <netinet/in_systm.h> |
88 | 6f97dba0 | aliguori | #include <netinet/ip.h> |
89 | 6f97dba0 | aliguori | #include <netinet/ip_icmp.h> // must come after ip.h |
90 | 6f97dba0 | aliguori | #include <netinet/udp.h> |
91 | 6f97dba0 | aliguori | #include <netinet/tcp.h> |
92 | 6f97dba0 | aliguori | #include <net/if.h> |
93 | 6f97dba0 | aliguori | #include <syslog.h> |
94 | 6f97dba0 | aliguori | #include <stropts.h> |
95 | 6f97dba0 | aliguori | #endif
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96 | 6f97dba0 | aliguori | #endif
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97 | 6f97dba0 | aliguori | #endif
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98 | 6f97dba0 | aliguori | |
99 | 6f97dba0 | aliguori | #include "qemu_socket.h" |
100 | cbcc6336 | Alon Levy | #include "ui/qemu-spice.h" |
101 | 6f97dba0 | aliguori | |
102 | 9bd7854e | Amit Shah | #define READ_BUF_LEN 4096 |
103 | 9bd7854e | Amit Shah | |
104 | 6f97dba0 | aliguori | /***********************************************************/
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105 | 6f97dba0 | aliguori | /* character device */
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106 | 6f97dba0 | aliguori | |
107 | 72cf2d4f | Blue Swirl | static QTAILQ_HEAD(CharDriverStateHead, CharDriverState) chardevs =
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108 | 72cf2d4f | Blue Swirl | QTAILQ_HEAD_INITIALIZER(chardevs); |
109 | 2970a6c9 | aliguori | |
110 | 6f97dba0 | aliguori | static void qemu_chr_event(CharDriverState *s, int event) |
111 | 6f97dba0 | aliguori | { |
112 | 73cdf3f2 | Alexander Graf | /* Keep track if the char device is open */
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113 | 73cdf3f2 | Alexander Graf | switch (event) {
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114 | 73cdf3f2 | Alexander Graf | case CHR_EVENT_OPENED:
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115 | 73cdf3f2 | Alexander Graf | s->opened = 1;
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116 | 73cdf3f2 | Alexander Graf | break;
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117 | 73cdf3f2 | Alexander Graf | case CHR_EVENT_CLOSED:
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118 | 73cdf3f2 | Alexander Graf | s->opened = 0;
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119 | 73cdf3f2 | Alexander Graf | break;
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120 | 73cdf3f2 | Alexander Graf | } |
121 | 73cdf3f2 | Alexander Graf | |
122 | 6f97dba0 | aliguori | if (!s->chr_event)
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123 | 6f97dba0 | aliguori | return;
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124 | 6f97dba0 | aliguori | s->chr_event(s->handler_opaque, event); |
125 | 6f97dba0 | aliguori | } |
126 | 6f97dba0 | aliguori | |
127 | 127338e6 | Amit Shah | static void qemu_chr_generic_open_bh(void *opaque) |
128 | 6f97dba0 | aliguori | { |
129 | 6f97dba0 | aliguori | CharDriverState *s = opaque; |
130 | f7cbc08f | Anthony Liguori | qemu_chr_event(s, CHR_EVENT_OPENED); |
131 | 6f97dba0 | aliguori | qemu_bh_delete(s->bh); |
132 | 6f97dba0 | aliguori | s->bh = NULL;
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133 | 6f97dba0 | aliguori | } |
134 | 6f97dba0 | aliguori | |
135 | 127338e6 | Amit Shah | void qemu_chr_generic_open(CharDriverState *s)
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136 | 6f97dba0 | aliguori | { |
137 | 69795d67 | Amit Shah | if (s->bh == NULL) { |
138 | 127338e6 | Amit Shah | s->bh = qemu_bh_new(qemu_chr_generic_open_bh, s); |
139 | 6f97dba0 | aliguori | qemu_bh_schedule(s->bh); |
140 | 6f97dba0 | aliguori | } |
141 | 6f97dba0 | aliguori | } |
142 | 6f97dba0 | aliguori | |
143 | 6f97dba0 | aliguori | int qemu_chr_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 | 6f97dba0 | aliguori | int qemu_chr_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 | 6f97dba0 | aliguori | int qemu_chr_can_read(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 | 6f97dba0 | aliguori | void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len) |
163 | 6f97dba0 | aliguori | { |
164 | 6f97dba0 | aliguori | s->chr_read(s->handler_opaque, buf, len); |
165 | 6f97dba0 | aliguori | } |
166 | 6f97dba0 | aliguori | |
167 | 7d174059 | Mark McLoughlin | int qemu_chr_get_msgfd(CharDriverState *s)
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168 | 7d174059 | Mark McLoughlin | { |
169 | 7d174059 | Mark McLoughlin | return s->get_msgfd ? s->get_msgfd(s) : -1; |
170 | 7d174059 | Mark McLoughlin | } |
171 | 7d174059 | Mark McLoughlin | |
172 | 6f97dba0 | aliguori | void qemu_chr_accept_input(CharDriverState *s)
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173 | 6f97dba0 | aliguori | { |
174 | 6f97dba0 | aliguori | if (s->chr_accept_input)
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175 | 6f97dba0 | aliguori | s->chr_accept_input(s); |
176 | 6f97dba0 | aliguori | } |
177 | 6f97dba0 | aliguori | |
178 | 6f97dba0 | aliguori | void qemu_chr_printf(CharDriverState *s, const char *fmt, ...) |
179 | 6f97dba0 | aliguori | { |
180 | 9bd7854e | Amit Shah | char buf[READ_BUF_LEN];
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181 | 6f97dba0 | aliguori | va_list ap; |
182 | 6f97dba0 | aliguori | va_start(ap, fmt); |
183 | 6f97dba0 | aliguori | vsnprintf(buf, sizeof(buf), fmt, ap);
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184 | 6f97dba0 | aliguori | qemu_chr_write(s, (uint8_t *)buf, strlen(buf)); |
185 | 6f97dba0 | aliguori | va_end(ap); |
186 | 6f97dba0 | aliguori | } |
187 | 6f97dba0 | aliguori | |
188 | 6f97dba0 | aliguori | void qemu_chr_send_event(CharDriverState *s, int event) |
189 | 6f97dba0 | aliguori | { |
190 | 6f97dba0 | aliguori | if (s->chr_send_event)
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191 | 6f97dba0 | aliguori | s->chr_send_event(s, event); |
192 | 6f97dba0 | aliguori | } |
193 | 6f97dba0 | aliguori | |
194 | 6f97dba0 | aliguori | void qemu_chr_add_handlers(CharDriverState *s,
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195 | 7b27a769 | Juan Quintela | IOCanReadHandler *fd_can_read, |
196 | 6f97dba0 | aliguori | IOReadHandler *fd_read, |
197 | 6f97dba0 | aliguori | IOEventHandler *fd_event, |
198 | 6f97dba0 | aliguori | void *opaque)
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199 | 6f97dba0 | aliguori | { |
200 | da7d998b | Amit Shah | if (!opaque && !fd_can_read && !fd_read && !fd_event) {
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201 | 2d6c1ef4 | Amit Shah | /* chr driver being released. */
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202 | d5b27167 | Kusanagi Kouichi | ++s->avail_connections; |
203 | 2d6c1ef4 | Amit Shah | } |
204 | 6f97dba0 | aliguori | s->chr_can_read = fd_can_read; |
205 | 6f97dba0 | aliguori | s->chr_read = fd_read; |
206 | 6f97dba0 | aliguori | s->chr_event = fd_event; |
207 | 6f97dba0 | aliguori | s->handler_opaque = opaque; |
208 | 6f97dba0 | aliguori | if (s->chr_update_read_handler)
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209 | 6f97dba0 | aliguori | s->chr_update_read_handler(s); |
210 | 73cdf3f2 | Alexander Graf | |
211 | 73cdf3f2 | Alexander Graf | /* We're connecting to an already opened device, so let's make sure we
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212 | 73cdf3f2 | Alexander Graf | also get the open event */
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213 | 73cdf3f2 | Alexander Graf | if (s->opened) {
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214 | 73cdf3f2 | Alexander Graf | qemu_chr_generic_open(s); |
215 | 73cdf3f2 | Alexander Graf | } |
216 | 6f97dba0 | aliguori | } |
217 | 6f97dba0 | aliguori | |
218 | 6f97dba0 | aliguori | static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
219 | 6f97dba0 | aliguori | { |
220 | 6f97dba0 | aliguori | return len;
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221 | 6f97dba0 | aliguori | } |
222 | 6f97dba0 | aliguori | |
223 | 191bc01b | Gerd Hoffmann | static CharDriverState *qemu_chr_open_null(QemuOpts *opts)
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224 | 6f97dba0 | aliguori | { |
225 | 6f97dba0 | aliguori | CharDriverState *chr; |
226 | 6f97dba0 | aliguori | |
227 | 6f97dba0 | aliguori | chr = qemu_mallocz(sizeof(CharDriverState));
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228 | 6f97dba0 | aliguori | chr->chr_write = null_chr_write; |
229 | 6f97dba0 | aliguori | return chr;
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230 | 6f97dba0 | aliguori | } |
231 | 6f97dba0 | aliguori | |
232 | 6f97dba0 | aliguori | /* MUX driver for serial I/O splitting */
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233 | 6f97dba0 | aliguori | #define MAX_MUX 4 |
234 | 6f97dba0 | aliguori | #define MUX_BUFFER_SIZE 32 /* Must be a power of 2. */ |
235 | 6f97dba0 | aliguori | #define MUX_BUFFER_MASK (MUX_BUFFER_SIZE - 1) |
236 | 6f97dba0 | aliguori | typedef struct { |
237 | 7b27a769 | Juan Quintela | IOCanReadHandler *chr_can_read[MAX_MUX]; |
238 | 6f97dba0 | aliguori | IOReadHandler *chr_read[MAX_MUX]; |
239 | 6f97dba0 | aliguori | IOEventHandler *chr_event[MAX_MUX]; |
240 | 6f97dba0 | aliguori | void *ext_opaque[MAX_MUX];
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241 | 6f97dba0 | aliguori | CharDriverState *drv; |
242 | 799f1f23 | Gerd Hoffmann | int focus;
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243 | 6f97dba0 | aliguori | int mux_cnt;
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244 | 6f97dba0 | aliguori | int term_got_escape;
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245 | 6f97dba0 | aliguori | int max_size;
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246 | a80bf99f | aliguori | /* Intermediate input buffer allows to catch escape sequences even if the
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247 | a80bf99f | aliguori | currently active device is not accepting any input - but only until it
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248 | a80bf99f | aliguori | is full as well. */
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249 | a80bf99f | aliguori | unsigned char buffer[MAX_MUX][MUX_BUFFER_SIZE]; |
250 | a80bf99f | aliguori | int prod[MAX_MUX];
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251 | a80bf99f | aliguori | int cons[MAX_MUX];
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252 | 2d22959d | Jan Kiszka | int timestamps;
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253 | 4ab312f7 | Jan Kiszka | int linestart;
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254 | 2d22959d | Jan Kiszka | int64_t timestamps_start; |
255 | 6f97dba0 | aliguori | } MuxDriver; |
256 | 6f97dba0 | aliguori | |
257 | 6f97dba0 | aliguori | |
258 | 6f97dba0 | aliguori | static int mux_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
259 | 6f97dba0 | aliguori | { |
260 | 6f97dba0 | aliguori | MuxDriver *d = chr->opaque; |
261 | 6f97dba0 | aliguori | int ret;
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262 | 2d22959d | Jan Kiszka | if (!d->timestamps) {
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263 | 6f97dba0 | aliguori | ret = d->drv->chr_write(d->drv, buf, len); |
264 | 6f97dba0 | aliguori | } else {
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265 | 6f97dba0 | aliguori | int i;
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266 | 6f97dba0 | aliguori | |
267 | 6f97dba0 | aliguori | ret = 0;
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268 | 4ab312f7 | Jan Kiszka | for (i = 0; i < len; i++) { |
269 | 4ab312f7 | Jan Kiszka | if (d->linestart) {
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270 | 6f97dba0 | aliguori | char buf1[64]; |
271 | 6f97dba0 | aliguori | int64_t ti; |
272 | 6f97dba0 | aliguori | int secs;
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273 | 6f97dba0 | aliguori | |
274 | 7bd427d8 | Paolo Bonzini | ti = qemu_get_clock_ms(rt_clock); |
275 | 2d22959d | Jan Kiszka | if (d->timestamps_start == -1) |
276 | 2d22959d | Jan Kiszka | d->timestamps_start = ti; |
277 | 2d22959d | Jan Kiszka | ti -= d->timestamps_start; |
278 | a4bb1db8 | aliguori | secs = ti / 1000;
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279 | 6f97dba0 | aliguori | snprintf(buf1, sizeof(buf1),
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280 | 6f97dba0 | aliguori | "[%02d:%02d:%02d.%03d] ",
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281 | 6f97dba0 | aliguori | secs / 3600,
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282 | 6f97dba0 | aliguori | (secs / 60) % 60, |
283 | 6f97dba0 | aliguori | secs % 60,
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284 | a4bb1db8 | aliguori | (int)(ti % 1000)); |
285 | 6f97dba0 | aliguori | d->drv->chr_write(d->drv, (uint8_t *)buf1, strlen(buf1)); |
286 | 4ab312f7 | Jan Kiszka | d->linestart = 0;
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287 | 4ab312f7 | Jan Kiszka | } |
288 | 4ab312f7 | Jan Kiszka | ret += d->drv->chr_write(d->drv, buf+i, 1);
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289 | 4ab312f7 | Jan Kiszka | if (buf[i] == '\n') { |
290 | 4ab312f7 | Jan Kiszka | d->linestart = 1;
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291 | 6f97dba0 | aliguori | } |
292 | 6f97dba0 | aliguori | } |
293 | 6f97dba0 | aliguori | } |
294 | 6f97dba0 | aliguori | return ret;
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295 | 6f97dba0 | aliguori | } |
296 | 6f97dba0 | aliguori | |
297 | 6f97dba0 | aliguori | static const char * const mux_help[] = { |
298 | 6f97dba0 | aliguori | "% h print this help\n\r",
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299 | 6f97dba0 | aliguori | "% x exit emulator\n\r",
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300 | 6f97dba0 | aliguori | "% s save disk data back to file (if -snapshot)\n\r",
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301 | 6f97dba0 | aliguori | "% t toggle console timestamps\n\r"
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302 | 6f97dba0 | aliguori | "% b send break (magic sysrq)\n\r",
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303 | 6f97dba0 | aliguori | "% c switch between console and monitor\n\r",
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304 | 6f97dba0 | aliguori | "% % sends %\n\r",
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305 | 6f97dba0 | aliguori | NULL
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306 | 6f97dba0 | aliguori | }; |
307 | 6f97dba0 | aliguori | |
308 | 6f97dba0 | aliguori | int term_escape_char = 0x01; /* ctrl-a is used for escape */ |
309 | 6f97dba0 | aliguori | static void mux_print_help(CharDriverState *chr) |
310 | 6f97dba0 | aliguori | { |
311 | 6f97dba0 | aliguori | int i, j;
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312 | 6f97dba0 | aliguori | char ebuf[15] = "Escape-Char"; |
313 | 6f97dba0 | aliguori | char cbuf[50] = "\n\r"; |
314 | 6f97dba0 | aliguori | |
315 | 6f97dba0 | aliguori | if (term_escape_char > 0 && term_escape_char < 26) { |
316 | 6f97dba0 | aliguori | snprintf(cbuf, sizeof(cbuf), "\n\r"); |
317 | 6f97dba0 | aliguori | snprintf(ebuf, sizeof(ebuf), "C-%c", term_escape_char - 1 + 'a'); |
318 | 6f97dba0 | aliguori | } else {
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319 | 6f97dba0 | aliguori | snprintf(cbuf, sizeof(cbuf),
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320 | 6f97dba0 | aliguori | "\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r",
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321 | 6f97dba0 | aliguori | term_escape_char); |
322 | 6f97dba0 | aliguori | } |
323 | 6f97dba0 | aliguori | chr->chr_write(chr, (uint8_t *)cbuf, strlen(cbuf)); |
324 | 6f97dba0 | aliguori | for (i = 0; mux_help[i] != NULL; i++) { |
325 | 6f97dba0 | aliguori | for (j=0; mux_help[i][j] != '\0'; j++) { |
326 | 6f97dba0 | aliguori | if (mux_help[i][j] == '%') |
327 | 6f97dba0 | aliguori | chr->chr_write(chr, (uint8_t *)ebuf, strlen(ebuf)); |
328 | 6f97dba0 | aliguori | else
|
329 | 6f97dba0 | aliguori | chr->chr_write(chr, (uint8_t *)&mux_help[i][j], 1);
|
330 | 6f97dba0 | aliguori | } |
331 | 6f97dba0 | aliguori | } |
332 | 6f97dba0 | aliguori | } |
333 | 6f97dba0 | aliguori | |
334 | 2724b180 | aliguori | static void mux_chr_send_event(MuxDriver *d, int mux_nr, int event) |
335 | 2724b180 | aliguori | { |
336 | 2724b180 | aliguori | if (d->chr_event[mux_nr])
|
337 | 2724b180 | aliguori | d->chr_event[mux_nr](d->ext_opaque[mux_nr], event); |
338 | 2724b180 | aliguori | } |
339 | 2724b180 | aliguori | |
340 | 6f97dba0 | aliguori | static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch) |
341 | 6f97dba0 | aliguori | { |
342 | 6f97dba0 | aliguori | if (d->term_got_escape) {
|
343 | 6f97dba0 | aliguori | d->term_got_escape = 0;
|
344 | 6f97dba0 | aliguori | if (ch == term_escape_char)
|
345 | 6f97dba0 | aliguori | goto send_char;
|
346 | 6f97dba0 | aliguori | switch(ch) {
|
347 | 6f97dba0 | aliguori | case '?': |
348 | 6f97dba0 | aliguori | case 'h': |
349 | 6f97dba0 | aliguori | mux_print_help(chr); |
350 | 6f97dba0 | aliguori | break;
|
351 | 6f97dba0 | aliguori | case 'x': |
352 | 6f97dba0 | aliguori | { |
353 | 6f97dba0 | aliguori | const char *term = "QEMU: Terminated\n\r"; |
354 | 6f97dba0 | aliguori | chr->chr_write(chr,(uint8_t *)term,strlen(term)); |
355 | 6f97dba0 | aliguori | exit(0);
|
356 | 6f97dba0 | aliguori | break;
|
357 | 6f97dba0 | aliguori | } |
358 | 6f97dba0 | aliguori | case 's': |
359 | 6ab4b5ab | Markus Armbruster | bdrv_commit_all(); |
360 | 6f97dba0 | aliguori | break;
|
361 | 6f97dba0 | aliguori | case 'b': |
362 | 6f97dba0 | aliguori | qemu_chr_event(chr, CHR_EVENT_BREAK); |
363 | 6f97dba0 | aliguori | break;
|
364 | 6f97dba0 | aliguori | case 'c': |
365 | 6f97dba0 | aliguori | /* Switch to the next registered device */
|
366 | 799f1f23 | Gerd Hoffmann | mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_OUT); |
367 | 799f1f23 | Gerd Hoffmann | d->focus++; |
368 | 799f1f23 | Gerd Hoffmann | if (d->focus >= d->mux_cnt)
|
369 | 799f1f23 | Gerd Hoffmann | d->focus = 0;
|
370 | 799f1f23 | Gerd Hoffmann | mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_IN); |
371 | 6f97dba0 | aliguori | break;
|
372 | 2d22959d | Jan Kiszka | case 't': |
373 | 2d22959d | Jan Kiszka | d->timestamps = !d->timestamps; |
374 | 2d22959d | Jan Kiszka | d->timestamps_start = -1;
|
375 | 4ab312f7 | Jan Kiszka | d->linestart = 0;
|
376 | 2d22959d | Jan Kiszka | break;
|
377 | 6f97dba0 | aliguori | } |
378 | 6f97dba0 | aliguori | } else if (ch == term_escape_char) { |
379 | 6f97dba0 | aliguori | d->term_got_escape = 1;
|
380 | 6f97dba0 | aliguori | } else {
|
381 | 6f97dba0 | aliguori | send_char:
|
382 | 6f97dba0 | aliguori | return 1; |
383 | 6f97dba0 | aliguori | } |
384 | 6f97dba0 | aliguori | return 0; |
385 | 6f97dba0 | aliguori | } |
386 | 6f97dba0 | aliguori | |
387 | 6f97dba0 | aliguori | static void mux_chr_accept_input(CharDriverState *chr) |
388 | 6f97dba0 | aliguori | { |
389 | 6f97dba0 | aliguori | MuxDriver *d = chr->opaque; |
390 | 799f1f23 | Gerd Hoffmann | int m = d->focus;
|
391 | 6f97dba0 | aliguori | |
392 | a80bf99f | aliguori | while (d->prod[m] != d->cons[m] &&
|
393 | 6f97dba0 | aliguori | d->chr_can_read[m] && |
394 | 6f97dba0 | aliguori | d->chr_can_read[m](d->ext_opaque[m])) { |
395 | 6f97dba0 | aliguori | d->chr_read[m](d->ext_opaque[m], |
396 | a80bf99f | aliguori | &d->buffer[m][d->cons[m]++ & MUX_BUFFER_MASK], 1);
|
397 | 6f97dba0 | aliguori | } |
398 | 6f97dba0 | aliguori | } |
399 | 6f97dba0 | aliguori | |
400 | 6f97dba0 | aliguori | static int mux_chr_can_read(void *opaque) |
401 | 6f97dba0 | aliguori | { |
402 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
403 | 6f97dba0 | aliguori | MuxDriver *d = chr->opaque; |
404 | 799f1f23 | Gerd Hoffmann | int m = d->focus;
|
405 | 6f97dba0 | aliguori | |
406 | a80bf99f | aliguori | if ((d->prod[m] - d->cons[m]) < MUX_BUFFER_SIZE)
|
407 | 6f97dba0 | aliguori | return 1; |
408 | a80bf99f | aliguori | if (d->chr_can_read[m])
|
409 | a80bf99f | aliguori | return d->chr_can_read[m](d->ext_opaque[m]);
|
410 | 6f97dba0 | aliguori | return 0; |
411 | 6f97dba0 | aliguori | } |
412 | 6f97dba0 | aliguori | |
413 | 6f97dba0 | aliguori | static void mux_chr_read(void *opaque, const uint8_t *buf, int size) |
414 | 6f97dba0 | aliguori | { |
415 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
416 | 6f97dba0 | aliguori | MuxDriver *d = chr->opaque; |
417 | 799f1f23 | Gerd Hoffmann | int m = d->focus;
|
418 | 6f97dba0 | aliguori | int i;
|
419 | 6f97dba0 | aliguori | |
420 | 6f97dba0 | aliguori | mux_chr_accept_input (opaque); |
421 | 6f97dba0 | aliguori | |
422 | 6f97dba0 | aliguori | for(i = 0; i < size; i++) |
423 | 6f97dba0 | aliguori | if (mux_proc_byte(chr, d, buf[i])) {
|
424 | a80bf99f | aliguori | if (d->prod[m] == d->cons[m] &&
|
425 | 6f97dba0 | aliguori | d->chr_can_read[m] && |
426 | 6f97dba0 | aliguori | d->chr_can_read[m](d->ext_opaque[m])) |
427 | 6f97dba0 | aliguori | d->chr_read[m](d->ext_opaque[m], &buf[i], 1);
|
428 | 6f97dba0 | aliguori | else
|
429 | a80bf99f | aliguori | d->buffer[m][d->prod[m]++ & MUX_BUFFER_MASK] = buf[i]; |
430 | 6f97dba0 | aliguori | } |
431 | 6f97dba0 | aliguori | } |
432 | 6f97dba0 | aliguori | |
433 | 6f97dba0 | aliguori | static void mux_chr_event(void *opaque, int event) |
434 | 6f97dba0 | aliguori | { |
435 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
436 | 6f97dba0 | aliguori | MuxDriver *d = chr->opaque; |
437 | 6f97dba0 | aliguori | int i;
|
438 | 6f97dba0 | aliguori | |
439 | 6f97dba0 | aliguori | /* Send the event to all registered listeners */
|
440 | 6f97dba0 | aliguori | for (i = 0; i < d->mux_cnt; i++) |
441 | 2724b180 | aliguori | mux_chr_send_event(d, i, event); |
442 | 6f97dba0 | aliguori | } |
443 | 6f97dba0 | aliguori | |
444 | 6f97dba0 | aliguori | static void mux_chr_update_read_handler(CharDriverState *chr) |
445 | 6f97dba0 | aliguori | { |
446 | 6f97dba0 | aliguori | MuxDriver *d = chr->opaque; |
447 | 6f97dba0 | aliguori | |
448 | 6f97dba0 | aliguori | if (d->mux_cnt >= MAX_MUX) {
|
449 | 6f97dba0 | aliguori | fprintf(stderr, "Cannot add I/O handlers, MUX array is full\n");
|
450 | 6f97dba0 | aliguori | return;
|
451 | 6f97dba0 | aliguori | } |
452 | 6f97dba0 | aliguori | d->ext_opaque[d->mux_cnt] = chr->handler_opaque; |
453 | 6f97dba0 | aliguori | d->chr_can_read[d->mux_cnt] = chr->chr_can_read; |
454 | 6f97dba0 | aliguori | d->chr_read[d->mux_cnt] = chr->chr_read; |
455 | 6f97dba0 | aliguori | d->chr_event[d->mux_cnt] = chr->chr_event; |
456 | 6f97dba0 | aliguori | /* Fix up the real driver with mux routines */
|
457 | 6f97dba0 | aliguori | if (d->mux_cnt == 0) { |
458 | 6f97dba0 | aliguori | qemu_chr_add_handlers(d->drv, mux_chr_can_read, mux_chr_read, |
459 | 6f97dba0 | aliguori | mux_chr_event, chr); |
460 | 6f97dba0 | aliguori | } |
461 | 799f1f23 | Gerd Hoffmann | if (d->focus != -1) { |
462 | 799f1f23 | Gerd Hoffmann | mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_OUT); |
463 | a7aec5da | Gerd Hoffmann | } |
464 | 799f1f23 | Gerd Hoffmann | d->focus = d->mux_cnt; |
465 | 6f97dba0 | aliguori | d->mux_cnt++; |
466 | 799f1f23 | Gerd Hoffmann | mux_chr_send_event(d, d->focus, CHR_EVENT_MUX_IN); |
467 | 6f97dba0 | aliguori | } |
468 | 6f97dba0 | aliguori | |
469 | 6f97dba0 | aliguori | static CharDriverState *qemu_chr_open_mux(CharDriverState *drv)
|
470 | 6f97dba0 | aliguori | { |
471 | 6f97dba0 | aliguori | CharDriverState *chr; |
472 | 6f97dba0 | aliguori | MuxDriver *d; |
473 | 6f97dba0 | aliguori | |
474 | 6f97dba0 | aliguori | chr = qemu_mallocz(sizeof(CharDriverState));
|
475 | 6f97dba0 | aliguori | d = qemu_mallocz(sizeof(MuxDriver));
|
476 | 6f97dba0 | aliguori | |
477 | 6f97dba0 | aliguori | chr->opaque = d; |
478 | 6f97dba0 | aliguori | d->drv = drv; |
479 | 799f1f23 | Gerd Hoffmann | d->focus = -1;
|
480 | 6f97dba0 | aliguori | chr->chr_write = mux_chr_write; |
481 | 6f97dba0 | aliguori | chr->chr_update_read_handler = mux_chr_update_read_handler; |
482 | 6f97dba0 | aliguori | chr->chr_accept_input = mux_chr_accept_input; |
483 | 7c32c4fe | Hans de Goede | /* Frontend guest-open / -close notification is not support with muxes */
|
484 | 7c32c4fe | Hans de Goede | chr->chr_guest_open = NULL;
|
485 | 7c32c4fe | Hans de Goede | chr->chr_guest_close = NULL;
|
486 | 73cdf3f2 | Alexander Graf | |
487 | 73cdf3f2 | Alexander Graf | /* Muxes are always open on creation */
|
488 | 73cdf3f2 | Alexander Graf | qemu_chr_generic_open(chr); |
489 | 73cdf3f2 | Alexander Graf | |
490 | 6f97dba0 | aliguori | return chr;
|
491 | 6f97dba0 | aliguori | } |
492 | 6f97dba0 | aliguori | |
493 | 6f97dba0 | aliguori | |
494 | 6f97dba0 | aliguori | #ifdef _WIN32
|
495 | d247d25f | aliguori | int send_all(int fd, const void *buf, int len1) |
496 | 6f97dba0 | aliguori | { |
497 | 6f97dba0 | aliguori | int ret, len;
|
498 | 6f97dba0 | aliguori | |
499 | 6f97dba0 | aliguori | len = len1; |
500 | 6f97dba0 | aliguori | while (len > 0) { |
501 | 6f97dba0 | aliguori | ret = send(fd, buf, len, 0);
|
502 | 6f97dba0 | aliguori | if (ret < 0) { |
503 | 6f97dba0 | aliguori | errno = WSAGetLastError(); |
504 | 6f97dba0 | aliguori | if (errno != WSAEWOULDBLOCK) {
|
505 | 6f97dba0 | aliguori | return -1; |
506 | 6f97dba0 | aliguori | } |
507 | 6f97dba0 | aliguori | } else if (ret == 0) { |
508 | 6f97dba0 | aliguori | break;
|
509 | 6f97dba0 | aliguori | } else {
|
510 | 6f97dba0 | aliguori | buf += ret; |
511 | 6f97dba0 | aliguori | len -= ret; |
512 | 6f97dba0 | aliguori | } |
513 | 6f97dba0 | aliguori | } |
514 | 6f97dba0 | aliguori | return len1 - len;
|
515 | 6f97dba0 | aliguori | } |
516 | 6f97dba0 | aliguori | |
517 | 6f97dba0 | aliguori | #else
|
518 | 6f97dba0 | aliguori | |
519 | 5fc9cfed | Jes Sorensen | int send_all(int fd, const void *_buf, int len1) |
520 | 6f97dba0 | aliguori | { |
521 | 6f97dba0 | aliguori | int ret, len;
|
522 | 5fc9cfed | Jes Sorensen | const uint8_t *buf = _buf;
|
523 | 6f97dba0 | aliguori | |
524 | 6f97dba0 | aliguori | len = len1; |
525 | 6f97dba0 | aliguori | while (len > 0) { |
526 | 6f97dba0 | aliguori | ret = write(fd, buf, len); |
527 | 6f97dba0 | aliguori | if (ret < 0) { |
528 | 6f97dba0 | aliguori | if (errno != EINTR && errno != EAGAIN)
|
529 | 6f97dba0 | aliguori | return -1; |
530 | 6f97dba0 | aliguori | } else if (ret == 0) { |
531 | 6f97dba0 | aliguori | break;
|
532 | 6f97dba0 | aliguori | } else {
|
533 | 6f97dba0 | aliguori | buf += ret; |
534 | 6f97dba0 | aliguori | len -= ret; |
535 | 6f97dba0 | aliguori | } |
536 | 6f97dba0 | aliguori | } |
537 | 6f97dba0 | aliguori | return len1 - len;
|
538 | 6f97dba0 | aliguori | } |
539 | 6f97dba0 | aliguori | #endif /* !_WIN32 */ |
540 | 6f97dba0 | aliguori | |
541 | 6f97dba0 | aliguori | #ifndef _WIN32
|
542 | 6f97dba0 | aliguori | |
543 | 6f97dba0 | aliguori | typedef struct { |
544 | 6f97dba0 | aliguori | int fd_in, fd_out;
|
545 | 6f97dba0 | aliguori | int max_size;
|
546 | 6f97dba0 | aliguori | } FDCharDriver; |
547 | 6f97dba0 | aliguori | |
548 | 6f97dba0 | aliguori | #define STDIO_MAX_CLIENTS 1 |
549 | 6f97dba0 | aliguori | static int stdio_nb_clients = 0; |
550 | 6f97dba0 | aliguori | |
551 | 6f97dba0 | aliguori | static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
552 | 6f97dba0 | aliguori | { |
553 | 6f97dba0 | aliguori | FDCharDriver *s = chr->opaque; |
554 | 6f97dba0 | aliguori | return send_all(s->fd_out, buf, len);
|
555 | 6f97dba0 | aliguori | } |
556 | 6f97dba0 | aliguori | |
557 | 6f97dba0 | aliguori | static int fd_chr_read_poll(void *opaque) |
558 | 6f97dba0 | aliguori | { |
559 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
560 | 6f97dba0 | aliguori | FDCharDriver *s = chr->opaque; |
561 | 6f97dba0 | aliguori | |
562 | 6f97dba0 | aliguori | s->max_size = qemu_chr_can_read(chr); |
563 | 6f97dba0 | aliguori | return s->max_size;
|
564 | 6f97dba0 | aliguori | } |
565 | 6f97dba0 | aliguori | |
566 | 6f97dba0 | aliguori | static void fd_chr_read(void *opaque) |
567 | 6f97dba0 | aliguori | { |
568 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
569 | 6f97dba0 | aliguori | FDCharDriver *s = chr->opaque; |
570 | 6f97dba0 | aliguori | int size, len;
|
571 | 9bd7854e | Amit Shah | uint8_t buf[READ_BUF_LEN]; |
572 | 6f97dba0 | aliguori | |
573 | 6f97dba0 | aliguori | len = sizeof(buf);
|
574 | 6f97dba0 | aliguori | if (len > s->max_size)
|
575 | 6f97dba0 | aliguori | len = s->max_size; |
576 | 6f97dba0 | aliguori | if (len == 0) |
577 | 6f97dba0 | aliguori | return;
|
578 | 6f97dba0 | aliguori | size = read(s->fd_in, buf, len); |
579 | 6f97dba0 | aliguori | if (size == 0) { |
580 | 6f97dba0 | aliguori | /* FD has been closed. Remove it from the active list. */
|
581 | 6f97dba0 | aliguori | qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL); |
582 | 793cbfb5 | Amit Shah | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
583 | 6f97dba0 | aliguori | return;
|
584 | 6f97dba0 | aliguori | } |
585 | 6f97dba0 | aliguori | if (size > 0) { |
586 | 6f97dba0 | aliguori | qemu_chr_read(chr, buf, size); |
587 | 6f97dba0 | aliguori | } |
588 | 6f97dba0 | aliguori | } |
589 | 6f97dba0 | aliguori | |
590 | 6f97dba0 | aliguori | static void fd_chr_update_read_handler(CharDriverState *chr) |
591 | 6f97dba0 | aliguori | { |
592 | 6f97dba0 | aliguori | FDCharDriver *s = chr->opaque; |
593 | 6f97dba0 | aliguori | |
594 | 6f97dba0 | aliguori | if (s->fd_in >= 0) { |
595 | 993fbfdb | Anthony Liguori | if (display_type == DT_NOGRAPHIC && s->fd_in == 0) { |
596 | 6f97dba0 | aliguori | } else {
|
597 | 6f97dba0 | aliguori | qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll, |
598 | 6f97dba0 | aliguori | fd_chr_read, NULL, chr);
|
599 | 6f97dba0 | aliguori | } |
600 | 6f97dba0 | aliguori | } |
601 | 6f97dba0 | aliguori | } |
602 | 6f97dba0 | aliguori | |
603 | 6f97dba0 | aliguori | static void fd_chr_close(struct CharDriverState *chr) |
604 | 6f97dba0 | aliguori | { |
605 | 6f97dba0 | aliguori | FDCharDriver *s = chr->opaque; |
606 | 6f97dba0 | aliguori | |
607 | 6f97dba0 | aliguori | if (s->fd_in >= 0) { |
608 | 993fbfdb | Anthony Liguori | if (display_type == DT_NOGRAPHIC && s->fd_in == 0) { |
609 | 6f97dba0 | aliguori | } else {
|
610 | 6f97dba0 | aliguori | qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL); |
611 | 6f97dba0 | aliguori | } |
612 | 6f97dba0 | aliguori | } |
613 | 6f97dba0 | aliguori | |
614 | 6f97dba0 | aliguori | qemu_free(s); |
615 | 793cbfb5 | Amit Shah | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
616 | 6f97dba0 | aliguori | } |
617 | 6f97dba0 | aliguori | |
618 | 6f97dba0 | aliguori | /* open a character device to a unix fd */
|
619 | 6f97dba0 | aliguori | static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out) |
620 | 6f97dba0 | aliguori | { |
621 | 6f97dba0 | aliguori | CharDriverState *chr; |
622 | 6f97dba0 | aliguori | FDCharDriver *s; |
623 | 6f97dba0 | aliguori | |
624 | 6f97dba0 | aliguori | chr = qemu_mallocz(sizeof(CharDriverState));
|
625 | 6f97dba0 | aliguori | s = qemu_mallocz(sizeof(FDCharDriver));
|
626 | 6f97dba0 | aliguori | s->fd_in = fd_in; |
627 | 6f97dba0 | aliguori | s->fd_out = fd_out; |
628 | 6f97dba0 | aliguori | chr->opaque = s; |
629 | 6f97dba0 | aliguori | chr->chr_write = fd_chr_write; |
630 | 6f97dba0 | aliguori | chr->chr_update_read_handler = fd_chr_update_read_handler; |
631 | 6f97dba0 | aliguori | chr->chr_close = fd_chr_close; |
632 | 6f97dba0 | aliguori | |
633 | 127338e6 | Amit Shah | qemu_chr_generic_open(chr); |
634 | 6f97dba0 | aliguori | |
635 | 6f97dba0 | aliguori | return chr;
|
636 | 6f97dba0 | aliguori | } |
637 | 6f97dba0 | aliguori | |
638 | 7d31544f | Gerd Hoffmann | static CharDriverState *qemu_chr_open_file_out(QemuOpts *opts)
|
639 | 6f97dba0 | aliguori | { |
640 | 6f97dba0 | aliguori | int fd_out;
|
641 | 6f97dba0 | aliguori | |
642 | 40ff6d7e | Kevin Wolf | TFR(fd_out = qemu_open(qemu_opt_get(opts, "path"),
|
643 | 7d31544f | Gerd Hoffmann | O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666));
|
644 | 6f97dba0 | aliguori | if (fd_out < 0) |
645 | 6f97dba0 | aliguori | return NULL; |
646 | 6f97dba0 | aliguori | return qemu_chr_open_fd(-1, fd_out); |
647 | 6f97dba0 | aliguori | } |
648 | 6f97dba0 | aliguori | |
649 | 7d31544f | Gerd Hoffmann | static CharDriverState *qemu_chr_open_pipe(QemuOpts *opts)
|
650 | 6f97dba0 | aliguori | { |
651 | 6f97dba0 | aliguori | int fd_in, fd_out;
|
652 | 6f97dba0 | aliguori | char filename_in[256], filename_out[256]; |
653 | 7d31544f | Gerd Hoffmann | const char *filename = qemu_opt_get(opts, "path"); |
654 | 7d31544f | Gerd Hoffmann | |
655 | 7d31544f | Gerd Hoffmann | if (filename == NULL) { |
656 | 7d31544f | Gerd Hoffmann | fprintf(stderr, "chardev: pipe: no filename given\n");
|
657 | 7d31544f | Gerd Hoffmann | return NULL; |
658 | 7d31544f | Gerd Hoffmann | } |
659 | 6f97dba0 | aliguori | |
660 | 6f97dba0 | aliguori | snprintf(filename_in, 256, "%s.in", filename); |
661 | 6f97dba0 | aliguori | snprintf(filename_out, 256, "%s.out", filename); |
662 | 40ff6d7e | Kevin Wolf | TFR(fd_in = qemu_open(filename_in, O_RDWR | O_BINARY)); |
663 | 40ff6d7e | Kevin Wolf | TFR(fd_out = qemu_open(filename_out, O_RDWR | O_BINARY)); |
664 | 6f97dba0 | aliguori | if (fd_in < 0 || fd_out < 0) { |
665 | 6f97dba0 | aliguori | if (fd_in >= 0) |
666 | 6f97dba0 | aliguori | close(fd_in); |
667 | 6f97dba0 | aliguori | if (fd_out >= 0) |
668 | 6f97dba0 | aliguori | close(fd_out); |
669 | 6f97dba0 | aliguori | TFR(fd_in = fd_out = open(filename, O_RDWR | O_BINARY)); |
670 | 6f97dba0 | aliguori | if (fd_in < 0) |
671 | 6f97dba0 | aliguori | return NULL; |
672 | 6f97dba0 | aliguori | } |
673 | 6f97dba0 | aliguori | return qemu_chr_open_fd(fd_in, fd_out);
|
674 | 6f97dba0 | aliguori | } |
675 | 6f97dba0 | aliguori | |
676 | 6f97dba0 | aliguori | |
677 | 6f97dba0 | aliguori | /* for STDIO, we handle the case where several clients use it
|
678 | 6f97dba0 | aliguori | (nographic mode) */
|
679 | 6f97dba0 | aliguori | |
680 | 6f97dba0 | aliguori | #define TERM_FIFO_MAX_SIZE 1 |
681 | 6f97dba0 | aliguori | |
682 | 6f97dba0 | aliguori | static uint8_t term_fifo[TERM_FIFO_MAX_SIZE];
|
683 | 6f97dba0 | aliguori | static int term_fifo_size; |
684 | 6f97dba0 | aliguori | |
685 | 6f97dba0 | aliguori | static int stdio_read_poll(void *opaque) |
686 | 6f97dba0 | aliguori | { |
687 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
688 | 6f97dba0 | aliguori | |
689 | 6f97dba0 | aliguori | /* try to flush the queue if needed */
|
690 | 6f97dba0 | aliguori | if (term_fifo_size != 0 && qemu_chr_can_read(chr) > 0) { |
691 | 6f97dba0 | aliguori | qemu_chr_read(chr, term_fifo, 1);
|
692 | 6f97dba0 | aliguori | term_fifo_size = 0;
|
693 | 6f97dba0 | aliguori | } |
694 | 6f97dba0 | aliguori | /* see if we can absorb more chars */
|
695 | 6f97dba0 | aliguori | if (term_fifo_size == 0) |
696 | 6f97dba0 | aliguori | return 1; |
697 | 6f97dba0 | aliguori | else
|
698 | 6f97dba0 | aliguori | return 0; |
699 | 6f97dba0 | aliguori | } |
700 | 6f97dba0 | aliguori | |
701 | 6f97dba0 | aliguori | static void stdio_read(void *opaque) |
702 | 6f97dba0 | aliguori | { |
703 | 6f97dba0 | aliguori | int size;
|
704 | 6f97dba0 | aliguori | uint8_t buf[1];
|
705 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
706 | 6f97dba0 | aliguori | |
707 | 6f97dba0 | aliguori | size = read(0, buf, 1); |
708 | 6f97dba0 | aliguori | if (size == 0) { |
709 | 6f97dba0 | aliguori | /* stdin has been closed. Remove it from the active list. */
|
710 | 6f97dba0 | aliguori | qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL); |
711 | 793cbfb5 | Amit Shah | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
712 | 6f97dba0 | aliguori | return;
|
713 | 6f97dba0 | aliguori | } |
714 | 6f97dba0 | aliguori | if (size > 0) { |
715 | 6f97dba0 | aliguori | if (qemu_chr_can_read(chr) > 0) { |
716 | 6f97dba0 | aliguori | qemu_chr_read(chr, buf, 1);
|
717 | 6f97dba0 | aliguori | } else if (term_fifo_size == 0) { |
718 | 6f97dba0 | aliguori | term_fifo[term_fifo_size++] = buf[0];
|
719 | 6f97dba0 | aliguori | } |
720 | 6f97dba0 | aliguori | } |
721 | 6f97dba0 | aliguori | } |
722 | 6f97dba0 | aliguori | |
723 | 6f97dba0 | aliguori | /* init terminal so that we can grab keys */
|
724 | 6f97dba0 | aliguori | static struct termios oldtty; |
725 | 6f97dba0 | aliguori | static int old_fd0_flags; |
726 | bb002513 | Paolo Bonzini | static bool stdio_allow_signal; |
727 | 6f97dba0 | aliguori | |
728 | 6f97dba0 | aliguori | static void term_exit(void) |
729 | 6f97dba0 | aliguori | { |
730 | 6f97dba0 | aliguori | tcsetattr (0, TCSANOW, &oldtty);
|
731 | 6f97dba0 | aliguori | fcntl(0, F_SETFL, old_fd0_flags);
|
732 | 6f97dba0 | aliguori | } |
733 | 6f97dba0 | aliguori | |
734 | bb002513 | Paolo Bonzini | static void qemu_chr_set_echo_stdio(CharDriverState *chr, bool echo) |
735 | 6f97dba0 | aliguori | { |
736 | 6f97dba0 | aliguori | struct termios tty;
|
737 | 6f97dba0 | aliguori | |
738 | 0369364b | Paolo Bonzini | tty = oldtty; |
739 | bb002513 | Paolo Bonzini | if (!echo) {
|
740 | bb002513 | Paolo Bonzini | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP |
741 | 6f97dba0 | aliguori | |INLCR|IGNCR|ICRNL|IXON); |
742 | bb002513 | Paolo Bonzini | tty.c_oflag |= OPOST; |
743 | bb002513 | Paolo Bonzini | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); |
744 | bb002513 | Paolo Bonzini | tty.c_cflag &= ~(CSIZE|PARENB); |
745 | bb002513 | Paolo Bonzini | tty.c_cflag |= CS8; |
746 | bb002513 | Paolo Bonzini | tty.c_cc[VMIN] = 1;
|
747 | bb002513 | Paolo Bonzini | tty.c_cc[VTIME] = 0;
|
748 | bb002513 | Paolo Bonzini | } |
749 | 6f97dba0 | aliguori | /* if graphical mode, we allow Ctrl-C handling */
|
750 | bb002513 | Paolo Bonzini | if (!stdio_allow_signal)
|
751 | 6f97dba0 | aliguori | tty.c_lflag &= ~ISIG; |
752 | 6f97dba0 | aliguori | |
753 | 6f97dba0 | aliguori | tcsetattr (0, TCSANOW, &tty);
|
754 | 6f97dba0 | aliguori | } |
755 | 6f97dba0 | aliguori | |
756 | 6f97dba0 | aliguori | static void qemu_chr_close_stdio(struct CharDriverState *chr) |
757 | 6f97dba0 | aliguori | { |
758 | 6f97dba0 | aliguori | term_exit(); |
759 | 6f97dba0 | aliguori | stdio_nb_clients--; |
760 | 6f97dba0 | aliguori | qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL); |
761 | 6f97dba0 | aliguori | fd_chr_close(chr); |
762 | 6f97dba0 | aliguori | } |
763 | 6f97dba0 | aliguori | |
764 | 3c17affb | Gerd Hoffmann | static CharDriverState *qemu_chr_open_stdio(QemuOpts *opts)
|
765 | 6f97dba0 | aliguori | { |
766 | 6f97dba0 | aliguori | CharDriverState *chr; |
767 | 6f97dba0 | aliguori | |
768 | 6f97dba0 | aliguori | if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
|
769 | 6f97dba0 | aliguori | return NULL; |
770 | 0369364b | Paolo Bonzini | if (stdio_nb_clients == 0) { |
771 | 0369364b | Paolo Bonzini | old_fd0_flags = fcntl(0, F_GETFL);
|
772 | 0369364b | Paolo Bonzini | tcgetattr (0, &oldtty);
|
773 | 0369364b | Paolo Bonzini | fcntl(0, F_SETFL, O_NONBLOCK);
|
774 | 0369364b | Paolo Bonzini | atexit(term_exit); |
775 | 0369364b | Paolo Bonzini | } |
776 | 0369364b | Paolo Bonzini | |
777 | 6f97dba0 | aliguori | chr = qemu_chr_open_fd(0, 1); |
778 | 6f97dba0 | aliguori | chr->chr_close = qemu_chr_close_stdio; |
779 | bb002513 | Paolo Bonzini | chr->chr_set_echo = qemu_chr_set_echo_stdio; |
780 | 6f97dba0 | aliguori | qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, chr); |
781 | 6f97dba0 | aliguori | stdio_nb_clients++; |
782 | bb002513 | Paolo Bonzini | stdio_allow_signal = qemu_opt_get_bool(opts, "signal",
|
783 | bb002513 | Paolo Bonzini | display_type != DT_NOGRAPHIC); |
784 | bb002513 | Paolo Bonzini | qemu_chr_set_echo(chr, false);
|
785 | 6f97dba0 | aliguori | |
786 | 6f97dba0 | aliguori | return chr;
|
787 | 6f97dba0 | aliguori | } |
788 | 6f97dba0 | aliguori | |
789 | 6f97dba0 | aliguori | #ifdef __sun__
|
790 | 6f97dba0 | aliguori | /* Once Solaris has openpty(), this is going to be removed. */
|
791 | 3f4cb3d3 | blueswir1 | static int openpty(int *amaster, int *aslave, char *name, |
792 | 3f4cb3d3 | blueswir1 | struct termios *termp, struct winsize *winp) |
793 | 6f97dba0 | aliguori | { |
794 | 6f97dba0 | aliguori | const char *slave; |
795 | 6f97dba0 | aliguori | int mfd = -1, sfd = -1; |
796 | 6f97dba0 | aliguori | |
797 | 6f97dba0 | aliguori | *amaster = *aslave = -1;
|
798 | 6f97dba0 | aliguori | |
799 | 6f97dba0 | aliguori | mfd = open("/dev/ptmx", O_RDWR | O_NOCTTY);
|
800 | 6f97dba0 | aliguori | if (mfd < 0) |
801 | 6f97dba0 | aliguori | goto err;
|
802 | 6f97dba0 | aliguori | |
803 | 6f97dba0 | aliguori | if (grantpt(mfd) == -1 || unlockpt(mfd) == -1) |
804 | 6f97dba0 | aliguori | goto err;
|
805 | 6f97dba0 | aliguori | |
806 | 6f97dba0 | aliguori | if ((slave = ptsname(mfd)) == NULL) |
807 | 6f97dba0 | aliguori | goto err;
|
808 | 6f97dba0 | aliguori | |
809 | 6f97dba0 | aliguori | if ((sfd = open(slave, O_RDONLY | O_NOCTTY)) == -1) |
810 | 6f97dba0 | aliguori | goto err;
|
811 | 6f97dba0 | aliguori | |
812 | 6f97dba0 | aliguori | if (ioctl(sfd, I_PUSH, "ptem") == -1 || |
813 | 6f97dba0 | aliguori | (termp != NULL && tcgetattr(sfd, termp) < 0)) |
814 | 6f97dba0 | aliguori | goto err;
|
815 | 6f97dba0 | aliguori | |
816 | 6f97dba0 | aliguori | if (amaster)
|
817 | 6f97dba0 | aliguori | *amaster = mfd; |
818 | 6f97dba0 | aliguori | if (aslave)
|
819 | 6f97dba0 | aliguori | *aslave = sfd; |
820 | 6f97dba0 | aliguori | if (winp)
|
821 | 6f97dba0 | aliguori | ioctl(sfd, TIOCSWINSZ, winp); |
822 | 6f97dba0 | aliguori | |
823 | 6f97dba0 | aliguori | return 0; |
824 | 6f97dba0 | aliguori | |
825 | 6f97dba0 | aliguori | err:
|
826 | 6f97dba0 | aliguori | if (sfd != -1) |
827 | 6f97dba0 | aliguori | close(sfd); |
828 | 6f97dba0 | aliguori | close(mfd); |
829 | 6f97dba0 | aliguori | return -1; |
830 | 6f97dba0 | aliguori | } |
831 | 6f97dba0 | aliguori | |
832 | 3f4cb3d3 | blueswir1 | static void cfmakeraw (struct termios *termios_p) |
833 | 6f97dba0 | aliguori | { |
834 | 6f97dba0 | aliguori | termios_p->c_iflag &= |
835 | 6f97dba0 | aliguori | ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON); |
836 | 6f97dba0 | aliguori | termios_p->c_oflag &= ~OPOST; |
837 | 6f97dba0 | aliguori | termios_p->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN); |
838 | 6f97dba0 | aliguori | termios_p->c_cflag &= ~(CSIZE|PARENB); |
839 | 6f97dba0 | aliguori | termios_p->c_cflag |= CS8; |
840 | 6f97dba0 | aliguori | |
841 | 6f97dba0 | aliguori | termios_p->c_cc[VMIN] = 0;
|
842 | 6f97dba0 | aliguori | termios_p->c_cc[VTIME] = 0;
|
843 | 6f97dba0 | aliguori | } |
844 | 6f97dba0 | aliguori | #endif
|
845 | 6f97dba0 | aliguori | |
846 | 6f97dba0 | aliguori | #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
|
847 | a167ba50 | Aurelien Jarno | || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) \ |
848 | a167ba50 | Aurelien Jarno | || defined(__GLIBC__) |
849 | 6f97dba0 | aliguori | |
850 | 6f97dba0 | aliguori | typedef struct { |
851 | 6f97dba0 | aliguori | int fd;
|
852 | 6f97dba0 | aliguori | int connected;
|
853 | 6f97dba0 | aliguori | int polling;
|
854 | 6f97dba0 | aliguori | int read_bytes;
|
855 | 6f97dba0 | aliguori | QEMUTimer *timer; |
856 | 6f97dba0 | aliguori | } PtyCharDriver; |
857 | 6f97dba0 | aliguori | |
858 | 6f97dba0 | aliguori | static void pty_chr_update_read_handler(CharDriverState *chr); |
859 | 6f97dba0 | aliguori | static void pty_chr_state(CharDriverState *chr, int connected); |
860 | 6f97dba0 | aliguori | |
861 | 6f97dba0 | aliguori | static int pty_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
862 | 6f97dba0 | aliguori | { |
863 | 6f97dba0 | aliguori | PtyCharDriver *s = chr->opaque; |
864 | 6f97dba0 | aliguori | |
865 | 6f97dba0 | aliguori | if (!s->connected) {
|
866 | 6f97dba0 | aliguori | /* guest sends data, check for (re-)connect */
|
867 | 6f97dba0 | aliguori | pty_chr_update_read_handler(chr); |
868 | 6f97dba0 | aliguori | return 0; |
869 | 6f97dba0 | aliguori | } |
870 | 6f97dba0 | aliguori | return send_all(s->fd, buf, len);
|
871 | 6f97dba0 | aliguori | } |
872 | 6f97dba0 | aliguori | |
873 | 6f97dba0 | aliguori | static int pty_chr_read_poll(void *opaque) |
874 | 6f97dba0 | aliguori | { |
875 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
876 | 6f97dba0 | aliguori | PtyCharDriver *s = chr->opaque; |
877 | 6f97dba0 | aliguori | |
878 | 6f97dba0 | aliguori | s->read_bytes = qemu_chr_can_read(chr); |
879 | 6f97dba0 | aliguori | return s->read_bytes;
|
880 | 6f97dba0 | aliguori | } |
881 | 6f97dba0 | aliguori | |
882 | 6f97dba0 | aliguori | static void pty_chr_read(void *opaque) |
883 | 6f97dba0 | aliguori | { |
884 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
885 | 6f97dba0 | aliguori | PtyCharDriver *s = chr->opaque; |
886 | 6f97dba0 | aliguori | int size, len;
|
887 | 9bd7854e | Amit Shah | uint8_t buf[READ_BUF_LEN]; |
888 | 6f97dba0 | aliguori | |
889 | 6f97dba0 | aliguori | len = sizeof(buf);
|
890 | 6f97dba0 | aliguori | if (len > s->read_bytes)
|
891 | 6f97dba0 | aliguori | len = s->read_bytes; |
892 | 6f97dba0 | aliguori | if (len == 0) |
893 | 6f97dba0 | aliguori | return;
|
894 | 6f97dba0 | aliguori | size = read(s->fd, buf, len); |
895 | 6f97dba0 | aliguori | if ((size == -1 && errno == EIO) || |
896 | 6f97dba0 | aliguori | (size == 0)) {
|
897 | 6f97dba0 | aliguori | pty_chr_state(chr, 0);
|
898 | 6f97dba0 | aliguori | return;
|
899 | 6f97dba0 | aliguori | } |
900 | 6f97dba0 | aliguori | if (size > 0) { |
901 | 6f97dba0 | aliguori | pty_chr_state(chr, 1);
|
902 | 6f97dba0 | aliguori | qemu_chr_read(chr, buf, size); |
903 | 6f97dba0 | aliguori | } |
904 | 6f97dba0 | aliguori | } |
905 | 6f97dba0 | aliguori | |
906 | 6f97dba0 | aliguori | static void pty_chr_update_read_handler(CharDriverState *chr) |
907 | 6f97dba0 | aliguori | { |
908 | 6f97dba0 | aliguori | PtyCharDriver *s = chr->opaque; |
909 | 6f97dba0 | aliguori | |
910 | 6f97dba0 | aliguori | qemu_set_fd_handler2(s->fd, pty_chr_read_poll, |
911 | 6f97dba0 | aliguori | pty_chr_read, NULL, chr);
|
912 | 6f97dba0 | aliguori | s->polling = 1;
|
913 | 6f97dba0 | aliguori | /*
|
914 | 6f97dba0 | aliguori | * Short timeout here: just need wait long enougth that qemu makes
|
915 | 6f97dba0 | aliguori | * it through the poll loop once. When reconnected we want a
|
916 | 6f97dba0 | aliguori | * short timeout so we notice it almost instantly. Otherwise
|
917 | 6f97dba0 | aliguori | * read() gives us -EIO instantly, making pty_chr_state() reset the
|
918 | 6f97dba0 | aliguori | * timeout to the normal (much longer) poll interval before the
|
919 | 6f97dba0 | aliguori | * timer triggers.
|
920 | 6f97dba0 | aliguori | */
|
921 | 7bd427d8 | Paolo Bonzini | qemu_mod_timer(s->timer, qemu_get_clock_ms(rt_clock) + 10);
|
922 | 6f97dba0 | aliguori | } |
923 | 6f97dba0 | aliguori | |
924 | 6f97dba0 | aliguori | static void pty_chr_state(CharDriverState *chr, int connected) |
925 | 6f97dba0 | aliguori | { |
926 | 6f97dba0 | aliguori | PtyCharDriver *s = chr->opaque; |
927 | 6f97dba0 | aliguori | |
928 | 6f97dba0 | aliguori | if (!connected) {
|
929 | 6f97dba0 | aliguori | qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL); |
930 | 6f97dba0 | aliguori | s->connected = 0;
|
931 | 6f97dba0 | aliguori | s->polling = 0;
|
932 | 6f97dba0 | aliguori | /* (re-)connect poll interval for idle guests: once per second.
|
933 | 6f97dba0 | aliguori | * We check more frequently in case the guests sends data to
|
934 | 6f97dba0 | aliguori | * the virtual device linked to our pty. */
|
935 | 7bd427d8 | Paolo Bonzini | qemu_mod_timer(s->timer, qemu_get_clock_ms(rt_clock) + 1000);
|
936 | 6f97dba0 | aliguori | } else {
|
937 | 6f97dba0 | aliguori | if (!s->connected)
|
938 | 127338e6 | Amit Shah | qemu_chr_generic_open(chr); |
939 | 6f97dba0 | aliguori | s->connected = 1;
|
940 | 6f97dba0 | aliguori | } |
941 | 6f97dba0 | aliguori | } |
942 | 6f97dba0 | aliguori | |
943 | 6f97dba0 | aliguori | static void pty_chr_timer(void *opaque) |
944 | 6f97dba0 | aliguori | { |
945 | 6f97dba0 | aliguori | struct CharDriverState *chr = opaque;
|
946 | 6f97dba0 | aliguori | PtyCharDriver *s = chr->opaque; |
947 | 6f97dba0 | aliguori | |
948 | 6f97dba0 | aliguori | if (s->connected)
|
949 | 6f97dba0 | aliguori | return;
|
950 | 6f97dba0 | aliguori | if (s->polling) {
|
951 | 6f97dba0 | aliguori | /* If we arrive here without polling being cleared due
|
952 | 6f97dba0 | aliguori | * read returning -EIO, then we are (re-)connected */
|
953 | 6f97dba0 | aliguori | pty_chr_state(chr, 1);
|
954 | 6f97dba0 | aliguori | return;
|
955 | 6f97dba0 | aliguori | } |
956 | 6f97dba0 | aliguori | |
957 | 6f97dba0 | aliguori | /* Next poll ... */
|
958 | 6f97dba0 | aliguori | pty_chr_update_read_handler(chr); |
959 | 6f97dba0 | aliguori | } |
960 | 6f97dba0 | aliguori | |
961 | 6f97dba0 | aliguori | static void pty_chr_close(struct CharDriverState *chr) |
962 | 6f97dba0 | aliguori | { |
963 | 6f97dba0 | aliguori | PtyCharDriver *s = chr->opaque; |
964 | 6f97dba0 | aliguori | |
965 | 6f97dba0 | aliguori | qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL); |
966 | 6f97dba0 | aliguori | close(s->fd); |
967 | 819f56b7 | aliguori | qemu_del_timer(s->timer); |
968 | 819f56b7 | aliguori | qemu_free_timer(s->timer); |
969 | 6f97dba0 | aliguori | qemu_free(s); |
970 | 793cbfb5 | Amit Shah | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
971 | 6f97dba0 | aliguori | } |
972 | 6f97dba0 | aliguori | |
973 | 4490dadf | Gerd Hoffmann | static CharDriverState *qemu_chr_open_pty(QemuOpts *opts)
|
974 | 6f97dba0 | aliguori | { |
975 | 6f97dba0 | aliguori | CharDriverState *chr; |
976 | 6f97dba0 | aliguori | PtyCharDriver *s; |
977 | 6f97dba0 | aliguori | struct termios tty;
|
978 | 6f97dba0 | aliguori | int slave_fd, len;
|
979 | c5e97233 | blueswir1 | #if defined(__OpenBSD__) || defined(__DragonFly__)
|
980 | 6f97dba0 | aliguori | char pty_name[PATH_MAX];
|
981 | 6f97dba0 | aliguori | #define q_ptsname(x) pty_name
|
982 | 6f97dba0 | aliguori | #else
|
983 | 6f97dba0 | aliguori | char *pty_name = NULL; |
984 | 6f97dba0 | aliguori | #define q_ptsname(x) ptsname(x)
|
985 | 6f97dba0 | aliguori | #endif
|
986 | 6f97dba0 | aliguori | |
987 | 6f97dba0 | aliguori | chr = qemu_mallocz(sizeof(CharDriverState));
|
988 | 6f97dba0 | aliguori | s = qemu_mallocz(sizeof(PtyCharDriver));
|
989 | 6f97dba0 | aliguori | |
990 | 6f97dba0 | aliguori | if (openpty(&s->fd, &slave_fd, pty_name, NULL, NULL) < 0) { |
991 | 6f97dba0 | aliguori | return NULL; |
992 | 6f97dba0 | aliguori | } |
993 | 6f97dba0 | aliguori | |
994 | 6f97dba0 | aliguori | /* Set raw attributes on the pty. */
|
995 | c3b972c3 | aliguori | tcgetattr(slave_fd, &tty); |
996 | 6f97dba0 | aliguori | cfmakeraw(&tty); |
997 | 6f97dba0 | aliguori | tcsetattr(slave_fd, TCSAFLUSH, &tty); |
998 | 6f97dba0 | aliguori | close(slave_fd); |
999 | 6f97dba0 | aliguori | |
1000 | 6f97dba0 | aliguori | len = strlen(q_ptsname(s->fd)) + 5;
|
1001 | 6f97dba0 | aliguori | chr->filename = qemu_malloc(len); |
1002 | 6f97dba0 | aliguori | snprintf(chr->filename, len, "pty:%s", q_ptsname(s->fd));
|
1003 | 4490dadf | Gerd Hoffmann | qemu_opt_set(opts, "path", q_ptsname(s->fd));
|
1004 | 6f97dba0 | aliguori | fprintf(stderr, "char device redirected to %s\n", q_ptsname(s->fd));
|
1005 | 6f97dba0 | aliguori | |
1006 | 6f97dba0 | aliguori | chr->opaque = s; |
1007 | 6f97dba0 | aliguori | chr->chr_write = pty_chr_write; |
1008 | 6f97dba0 | aliguori | chr->chr_update_read_handler = pty_chr_update_read_handler; |
1009 | 6f97dba0 | aliguori | chr->chr_close = pty_chr_close; |
1010 | 6f97dba0 | aliguori | |
1011 | 7bd427d8 | Paolo Bonzini | s->timer = qemu_new_timer_ms(rt_clock, pty_chr_timer, chr); |
1012 | 6f97dba0 | aliguori | |
1013 | 6f97dba0 | aliguori | return chr;
|
1014 | 6f97dba0 | aliguori | } |
1015 | 6f97dba0 | aliguori | |
1016 | 6f97dba0 | aliguori | static void tty_serial_init(int fd, int speed, |
1017 | 6f97dba0 | aliguori | int parity, int data_bits, int stop_bits) |
1018 | 6f97dba0 | aliguori | { |
1019 | 6f97dba0 | aliguori | struct termios tty;
|
1020 | 6f97dba0 | aliguori | speed_t spd; |
1021 | 6f97dba0 | aliguori | |
1022 | 6f97dba0 | aliguori | #if 0
|
1023 | 6f97dba0 | aliguori | printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
|
1024 | 6f97dba0 | aliguori | speed, parity, data_bits, stop_bits);
|
1025 | 6f97dba0 | aliguori | #endif
|
1026 | 6f97dba0 | aliguori | tcgetattr (fd, &tty); |
1027 | 6f97dba0 | aliguori | |
1028 | 45eea13b | Stefan Weil | #define check_speed(val) if (speed <= val) { spd = B##val; break; } |
1029 | 45eea13b | Stefan Weil | speed = speed * 10 / 11; |
1030 | 45eea13b | Stefan Weil | do {
|
1031 | 45eea13b | Stefan Weil | check_speed(50);
|
1032 | 45eea13b | Stefan Weil | check_speed(75);
|
1033 | 45eea13b | Stefan Weil | check_speed(110);
|
1034 | 45eea13b | Stefan Weil | check_speed(134);
|
1035 | 45eea13b | Stefan Weil | check_speed(150);
|
1036 | 45eea13b | Stefan Weil | check_speed(200);
|
1037 | 45eea13b | Stefan Weil | check_speed(300);
|
1038 | 45eea13b | Stefan Weil | check_speed(600);
|
1039 | 45eea13b | Stefan Weil | check_speed(1200);
|
1040 | 45eea13b | Stefan Weil | check_speed(1800);
|
1041 | 45eea13b | Stefan Weil | check_speed(2400);
|
1042 | 45eea13b | Stefan Weil | check_speed(4800);
|
1043 | 45eea13b | Stefan Weil | check_speed(9600);
|
1044 | 45eea13b | Stefan Weil | check_speed(19200);
|
1045 | 45eea13b | Stefan Weil | check_speed(38400);
|
1046 | 45eea13b | Stefan Weil | /* Non-Posix values follow. They may be unsupported on some systems. */
|
1047 | 45eea13b | Stefan Weil | check_speed(57600);
|
1048 | 45eea13b | Stefan Weil | check_speed(115200);
|
1049 | 45eea13b | Stefan Weil | #ifdef B230400
|
1050 | 45eea13b | Stefan Weil | check_speed(230400);
|
1051 | 45eea13b | Stefan Weil | #endif
|
1052 | 45eea13b | Stefan Weil | #ifdef B460800
|
1053 | 45eea13b | Stefan Weil | check_speed(460800);
|
1054 | 45eea13b | Stefan Weil | #endif
|
1055 | 45eea13b | Stefan Weil | #ifdef B500000
|
1056 | 45eea13b | Stefan Weil | check_speed(500000);
|
1057 | 45eea13b | Stefan Weil | #endif
|
1058 | 45eea13b | Stefan Weil | #ifdef B576000
|
1059 | 45eea13b | Stefan Weil | check_speed(576000);
|
1060 | 45eea13b | Stefan Weil | #endif
|
1061 | 45eea13b | Stefan Weil | #ifdef B921600
|
1062 | 45eea13b | Stefan Weil | check_speed(921600);
|
1063 | 45eea13b | Stefan Weil | #endif
|
1064 | 45eea13b | Stefan Weil | #ifdef B1000000
|
1065 | 45eea13b | Stefan Weil | check_speed(1000000);
|
1066 | 45eea13b | Stefan Weil | #endif
|
1067 | 45eea13b | Stefan Weil | #ifdef B1152000
|
1068 | 45eea13b | Stefan Weil | check_speed(1152000);
|
1069 | 45eea13b | Stefan Weil | #endif
|
1070 | 45eea13b | Stefan Weil | #ifdef B1500000
|
1071 | 45eea13b | Stefan Weil | check_speed(1500000);
|
1072 | 45eea13b | Stefan Weil | #endif
|
1073 | 45eea13b | Stefan Weil | #ifdef B2000000
|
1074 | 45eea13b | Stefan Weil | check_speed(2000000);
|
1075 | 45eea13b | Stefan Weil | #endif
|
1076 | 45eea13b | Stefan Weil | #ifdef B2500000
|
1077 | 45eea13b | Stefan Weil | check_speed(2500000);
|
1078 | 45eea13b | Stefan Weil | #endif
|
1079 | 45eea13b | Stefan Weil | #ifdef B3000000
|
1080 | 45eea13b | Stefan Weil | check_speed(3000000);
|
1081 | 45eea13b | Stefan Weil | #endif
|
1082 | 45eea13b | Stefan Weil | #ifdef B3500000
|
1083 | 45eea13b | Stefan Weil | check_speed(3500000);
|
1084 | 45eea13b | Stefan Weil | #endif
|
1085 | 45eea13b | Stefan Weil | #ifdef B4000000
|
1086 | 45eea13b | Stefan Weil | check_speed(4000000);
|
1087 | 45eea13b | Stefan Weil | #endif
|
1088 | 6f97dba0 | aliguori | spd = B115200; |
1089 | 45eea13b | Stefan Weil | } while (0); |
1090 | 6f97dba0 | aliguori | |
1091 | 6f97dba0 | aliguori | cfsetispeed(&tty, spd); |
1092 | 6f97dba0 | aliguori | cfsetospeed(&tty, spd); |
1093 | 6f97dba0 | aliguori | |
1094 | 6f97dba0 | aliguori | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP |
1095 | 6f97dba0 | aliguori | |INLCR|IGNCR|ICRNL|IXON); |
1096 | 6f97dba0 | aliguori | tty.c_oflag |= OPOST; |
1097 | 6f97dba0 | aliguori | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG); |
1098 | 6f97dba0 | aliguori | tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB); |
1099 | 6f97dba0 | aliguori | switch(data_bits) {
|
1100 | 6f97dba0 | aliguori | default:
|
1101 | 6f97dba0 | aliguori | case 8: |
1102 | 6f97dba0 | aliguori | tty.c_cflag |= CS8; |
1103 | 6f97dba0 | aliguori | break;
|
1104 | 6f97dba0 | aliguori | case 7: |
1105 | 6f97dba0 | aliguori | tty.c_cflag |= CS7; |
1106 | 6f97dba0 | aliguori | break;
|
1107 | 6f97dba0 | aliguori | case 6: |
1108 | 6f97dba0 | aliguori | tty.c_cflag |= CS6; |
1109 | 6f97dba0 | aliguori | break;
|
1110 | 6f97dba0 | aliguori | case 5: |
1111 | 6f97dba0 | aliguori | tty.c_cflag |= CS5; |
1112 | 6f97dba0 | aliguori | break;
|
1113 | 6f97dba0 | aliguori | } |
1114 | 6f97dba0 | aliguori | switch(parity) {
|
1115 | 6f97dba0 | aliguori | default:
|
1116 | 6f97dba0 | aliguori | case 'N': |
1117 | 6f97dba0 | aliguori | break;
|
1118 | 6f97dba0 | aliguori | case 'E': |
1119 | 6f97dba0 | aliguori | tty.c_cflag |= PARENB; |
1120 | 6f97dba0 | aliguori | break;
|
1121 | 6f97dba0 | aliguori | case 'O': |
1122 | 6f97dba0 | aliguori | tty.c_cflag |= PARENB | PARODD; |
1123 | 6f97dba0 | aliguori | break;
|
1124 | 6f97dba0 | aliguori | } |
1125 | 6f97dba0 | aliguori | if (stop_bits == 2) |
1126 | 6f97dba0 | aliguori | tty.c_cflag |= CSTOPB; |
1127 | 6f97dba0 | aliguori | |
1128 | 6f97dba0 | aliguori | tcsetattr (fd, TCSANOW, &tty); |
1129 | 6f97dba0 | aliguori | } |
1130 | 6f97dba0 | aliguori | |
1131 | 6f97dba0 | aliguori | static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg) |
1132 | 6f97dba0 | aliguori | { |
1133 | 6f97dba0 | aliguori | FDCharDriver *s = chr->opaque; |
1134 | 6f97dba0 | aliguori | |
1135 | 6f97dba0 | aliguori | switch(cmd) {
|
1136 | 6f97dba0 | aliguori | case CHR_IOCTL_SERIAL_SET_PARAMS:
|
1137 | 6f97dba0 | aliguori | { |
1138 | 6f97dba0 | aliguori | QEMUSerialSetParams *ssp = arg; |
1139 | 6f97dba0 | aliguori | tty_serial_init(s->fd_in, ssp->speed, ssp->parity, |
1140 | 6f97dba0 | aliguori | ssp->data_bits, ssp->stop_bits); |
1141 | 6f97dba0 | aliguori | } |
1142 | 6f97dba0 | aliguori | break;
|
1143 | 6f97dba0 | aliguori | case CHR_IOCTL_SERIAL_SET_BREAK:
|
1144 | 6f97dba0 | aliguori | { |
1145 | 6f97dba0 | aliguori | int enable = *(int *)arg; |
1146 | 6f97dba0 | aliguori | if (enable)
|
1147 | 6f97dba0 | aliguori | tcsendbreak(s->fd_in, 1);
|
1148 | 6f97dba0 | aliguori | } |
1149 | 6f97dba0 | aliguori | break;
|
1150 | 6f97dba0 | aliguori | case CHR_IOCTL_SERIAL_GET_TIOCM:
|
1151 | 6f97dba0 | aliguori | { |
1152 | 6f97dba0 | aliguori | int sarg = 0; |
1153 | 6f97dba0 | aliguori | int *targ = (int *)arg; |
1154 | 6f97dba0 | aliguori | ioctl(s->fd_in, TIOCMGET, &sarg); |
1155 | 6f97dba0 | aliguori | *targ = 0;
|
1156 | b4abdfa4 | aurel32 | if (sarg & TIOCM_CTS)
|
1157 | 6f97dba0 | aliguori | *targ |= CHR_TIOCM_CTS; |
1158 | b4abdfa4 | aurel32 | if (sarg & TIOCM_CAR)
|
1159 | 6f97dba0 | aliguori | *targ |= CHR_TIOCM_CAR; |
1160 | b4abdfa4 | aurel32 | if (sarg & TIOCM_DSR)
|
1161 | 6f97dba0 | aliguori | *targ |= CHR_TIOCM_DSR; |
1162 | b4abdfa4 | aurel32 | if (sarg & TIOCM_RI)
|
1163 | 6f97dba0 | aliguori | *targ |= CHR_TIOCM_RI; |
1164 | b4abdfa4 | aurel32 | if (sarg & TIOCM_DTR)
|
1165 | 6f97dba0 | aliguori | *targ |= CHR_TIOCM_DTR; |
1166 | b4abdfa4 | aurel32 | if (sarg & TIOCM_RTS)
|
1167 | 6f97dba0 | aliguori | *targ |= CHR_TIOCM_RTS; |
1168 | 6f97dba0 | aliguori | } |
1169 | 6f97dba0 | aliguori | break;
|
1170 | 6f97dba0 | aliguori | case CHR_IOCTL_SERIAL_SET_TIOCM:
|
1171 | 6f97dba0 | aliguori | { |
1172 | 6f97dba0 | aliguori | int sarg = *(int *)arg; |
1173 | 6f97dba0 | aliguori | int targ = 0; |
1174 | b4abdfa4 | aurel32 | ioctl(s->fd_in, TIOCMGET, &targ); |
1175 | b4abdfa4 | aurel32 | targ &= ~(CHR_TIOCM_CTS | CHR_TIOCM_CAR | CHR_TIOCM_DSR |
1176 | b4abdfa4 | aurel32 | | CHR_TIOCM_RI | CHR_TIOCM_DTR | CHR_TIOCM_RTS); |
1177 | b4abdfa4 | aurel32 | if (sarg & CHR_TIOCM_CTS)
|
1178 | b4abdfa4 | aurel32 | targ |= TIOCM_CTS; |
1179 | b4abdfa4 | aurel32 | if (sarg & CHR_TIOCM_CAR)
|
1180 | b4abdfa4 | aurel32 | targ |= TIOCM_CAR; |
1181 | b4abdfa4 | aurel32 | if (sarg & CHR_TIOCM_DSR)
|
1182 | b4abdfa4 | aurel32 | targ |= TIOCM_DSR; |
1183 | b4abdfa4 | aurel32 | if (sarg & CHR_TIOCM_RI)
|
1184 | b4abdfa4 | aurel32 | targ |= TIOCM_RI; |
1185 | b4abdfa4 | aurel32 | if (sarg & CHR_TIOCM_DTR)
|
1186 | 6f97dba0 | aliguori | targ |= TIOCM_DTR; |
1187 | b4abdfa4 | aurel32 | if (sarg & CHR_TIOCM_RTS)
|
1188 | 6f97dba0 | aliguori | targ |= TIOCM_RTS; |
1189 | 6f97dba0 | aliguori | ioctl(s->fd_in, TIOCMSET, &targ); |
1190 | 6f97dba0 | aliguori | } |
1191 | 6f97dba0 | aliguori | break;
|
1192 | 6f97dba0 | aliguori | default:
|
1193 | 6f97dba0 | aliguori | return -ENOTSUP;
|
1194 | 6f97dba0 | aliguori | } |
1195 | 6f97dba0 | aliguori | return 0; |
1196 | 6f97dba0 | aliguori | } |
1197 | 6f97dba0 | aliguori | |
1198 | 4266a134 | David Ahern | static void qemu_chr_close_tty(CharDriverState *chr) |
1199 | 4266a134 | David Ahern | { |
1200 | 4266a134 | David Ahern | FDCharDriver *s = chr->opaque; |
1201 | 4266a134 | David Ahern | int fd = -1; |
1202 | 4266a134 | David Ahern | |
1203 | 4266a134 | David Ahern | if (s) {
|
1204 | 4266a134 | David Ahern | fd = s->fd_in; |
1205 | 4266a134 | David Ahern | } |
1206 | 4266a134 | David Ahern | |
1207 | 4266a134 | David Ahern | fd_chr_close(chr); |
1208 | 4266a134 | David Ahern | |
1209 | 4266a134 | David Ahern | if (fd >= 0) { |
1210 | 4266a134 | David Ahern | close(fd); |
1211 | 4266a134 | David Ahern | } |
1212 | 4266a134 | David Ahern | } |
1213 | 4266a134 | David Ahern | |
1214 | 48b76496 | Gerd Hoffmann | static CharDriverState *qemu_chr_open_tty(QemuOpts *opts)
|
1215 | 6f97dba0 | aliguori | { |
1216 | 48b76496 | Gerd Hoffmann | const char *filename = qemu_opt_get(opts, "path"); |
1217 | 6f97dba0 | aliguori | CharDriverState *chr; |
1218 | 6f97dba0 | aliguori | int fd;
|
1219 | 6f97dba0 | aliguori | |
1220 | 6f97dba0 | aliguori | TFR(fd = open(filename, O_RDWR | O_NONBLOCK)); |
1221 | afc535ac | Evgeniy Dushistov | if (fd < 0) { |
1222 | afc535ac | Evgeniy Dushistov | return NULL; |
1223 | afc535ac | Evgeniy Dushistov | } |
1224 | 6f97dba0 | aliguori | tty_serial_init(fd, 115200, 'N', 8, 1); |
1225 | 6f97dba0 | aliguori | chr = qemu_chr_open_fd(fd, fd); |
1226 | 6f97dba0 | aliguori | if (!chr) {
|
1227 | 6f97dba0 | aliguori | close(fd); |
1228 | 6f97dba0 | aliguori | return NULL; |
1229 | 6f97dba0 | aliguori | } |
1230 | 6f97dba0 | aliguori | chr->chr_ioctl = tty_serial_ioctl; |
1231 | 4266a134 | David Ahern | chr->chr_close = qemu_chr_close_tty; |
1232 | 6f97dba0 | aliguori | return chr;
|
1233 | 6f97dba0 | aliguori | } |
1234 | 6f97dba0 | aliguori | #else /* ! __linux__ && ! __sun__ */ |
1235 | cb301efe | Riku Voipio | static CharDriverState *qemu_chr_open_pty(QemuOpts *opts)
|
1236 | 6f97dba0 | aliguori | { |
1237 | 6f97dba0 | aliguori | return NULL; |
1238 | 6f97dba0 | aliguori | } |
1239 | 6f97dba0 | aliguori | #endif /* __linux__ || __sun__ */ |
1240 | 6f97dba0 | aliguori | |
1241 | 6f97dba0 | aliguori | #if defined(__linux__)
|
1242 | 6f97dba0 | aliguori | typedef struct { |
1243 | 6f97dba0 | aliguori | int fd;
|
1244 | 6f97dba0 | aliguori | int mode;
|
1245 | 6f97dba0 | aliguori | } ParallelCharDriver; |
1246 | 6f97dba0 | aliguori | |
1247 | 6f97dba0 | aliguori | static int pp_hw_mode(ParallelCharDriver *s, uint16_t mode) |
1248 | 6f97dba0 | aliguori | { |
1249 | 6f97dba0 | aliguori | if (s->mode != mode) {
|
1250 | 6f97dba0 | aliguori | int m = mode;
|
1251 | 6f97dba0 | aliguori | if (ioctl(s->fd, PPSETMODE, &m) < 0) |
1252 | 6f97dba0 | aliguori | return 0; |
1253 | 6f97dba0 | aliguori | s->mode = mode; |
1254 | 6f97dba0 | aliguori | } |
1255 | 6f97dba0 | aliguori | return 1; |
1256 | 6f97dba0 | aliguori | } |
1257 | 6f97dba0 | aliguori | |
1258 | 6f97dba0 | aliguori | static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) |
1259 | 6f97dba0 | aliguori | { |
1260 | 6f97dba0 | aliguori | ParallelCharDriver *drv = chr->opaque; |
1261 | 6f97dba0 | aliguori | int fd = drv->fd;
|
1262 | 6f97dba0 | aliguori | uint8_t b; |
1263 | 6f97dba0 | aliguori | |
1264 | 6f97dba0 | aliguori | switch(cmd) {
|
1265 | 6f97dba0 | aliguori | case CHR_IOCTL_PP_READ_DATA:
|
1266 | 6f97dba0 | aliguori | if (ioctl(fd, PPRDATA, &b) < 0) |
1267 | 6f97dba0 | aliguori | return -ENOTSUP;
|
1268 | 6f97dba0 | aliguori | *(uint8_t *)arg = b; |
1269 | 6f97dba0 | aliguori | break;
|
1270 | 6f97dba0 | aliguori | case CHR_IOCTL_PP_WRITE_DATA:
|
1271 | 6f97dba0 | aliguori | b = *(uint8_t *)arg; |
1272 | 6f97dba0 | aliguori | if (ioctl(fd, PPWDATA, &b) < 0) |
1273 | 6f97dba0 | aliguori | return -ENOTSUP;
|
1274 | 6f97dba0 | aliguori | break;
|
1275 | 6f97dba0 | aliguori | case CHR_IOCTL_PP_READ_CONTROL:
|
1276 | 6f97dba0 | aliguori | if (ioctl(fd, PPRCONTROL, &b) < 0) |
1277 | 6f97dba0 | aliguori | return -ENOTSUP;
|
1278 | 6f97dba0 | aliguori | /* Linux gives only the lowest bits, and no way to know data
|
1279 | 6f97dba0 | aliguori | direction! For better compatibility set the fixed upper
|
1280 | 6f97dba0 | aliguori | bits. */
|
1281 | 6f97dba0 | aliguori | *(uint8_t *)arg = b | 0xc0;
|
1282 | 6f97dba0 | aliguori | break;
|
1283 | 6f97dba0 | aliguori | case CHR_IOCTL_PP_WRITE_CONTROL:
|
1284 | 6f97dba0 | aliguori | b = *(uint8_t *)arg; |
1285 | 6f97dba0 | aliguori | if (ioctl(fd, PPWCONTROL, &b) < 0) |
1286 | 6f97dba0 | aliguori | return -ENOTSUP;
|
1287 | 6f97dba0 | aliguori | break;
|
1288 | 6f97dba0 | aliguori | case CHR_IOCTL_PP_READ_STATUS:
|
1289 | 6f97dba0 | aliguori | if (ioctl(fd, PPRSTATUS, &b) < 0) |
1290 | 6f97dba0 | aliguori | return -ENOTSUP;
|
1291 | 6f97dba0 | aliguori | *(uint8_t *)arg = b; |
1292 | 6f97dba0 | aliguori | break;
|
1293 | 6f97dba0 | aliguori | case CHR_IOCTL_PP_DATA_DIR:
|
1294 | 6f97dba0 | aliguori | if (ioctl(fd, PPDATADIR, (int *)arg) < 0) |
1295 | 6f97dba0 | aliguori | return -ENOTSUP;
|
1296 | 6f97dba0 | aliguori | break;
|
1297 | 6f97dba0 | aliguori | case CHR_IOCTL_PP_EPP_READ_ADDR:
|
1298 | 6f97dba0 | aliguori | if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
|
1299 | 6f97dba0 | aliguori | struct ParallelIOArg *parg = arg;
|
1300 | 6f97dba0 | aliguori | int n = read(fd, parg->buffer, parg->count);
|
1301 | 6f97dba0 | aliguori | if (n != parg->count) {
|
1302 | 6f97dba0 | aliguori | return -EIO;
|
1303 | 6f97dba0 | aliguori | } |
1304 | 6f97dba0 | aliguori | } |
1305 | 6f97dba0 | aliguori | break;
|
1306 | 6f97dba0 | aliguori | case CHR_IOCTL_PP_EPP_READ:
|
1307 | 6f97dba0 | aliguori | if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
|
1308 | 6f97dba0 | aliguori | struct ParallelIOArg *parg = arg;
|
1309 | 6f97dba0 | aliguori | int n = read(fd, parg->buffer, parg->count);
|
1310 | 6f97dba0 | aliguori | if (n != parg->count) {
|
1311 | 6f97dba0 | aliguori | return -EIO;
|
1312 | 6f97dba0 | aliguori | } |
1313 | 6f97dba0 | aliguori | } |
1314 | 6f97dba0 | aliguori | break;
|
1315 | 6f97dba0 | aliguori | case CHR_IOCTL_PP_EPP_WRITE_ADDR:
|
1316 | 6f97dba0 | aliguori | if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
|
1317 | 6f97dba0 | aliguori | struct ParallelIOArg *parg = arg;
|
1318 | 6f97dba0 | aliguori | int n = write(fd, parg->buffer, parg->count);
|
1319 | 6f97dba0 | aliguori | if (n != parg->count) {
|
1320 | 6f97dba0 | aliguori | return -EIO;
|
1321 | 6f97dba0 | aliguori | } |
1322 | 6f97dba0 | aliguori | } |
1323 | 6f97dba0 | aliguori | break;
|
1324 | 6f97dba0 | aliguori | case CHR_IOCTL_PP_EPP_WRITE:
|
1325 | 6f97dba0 | aliguori | if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
|
1326 | 6f97dba0 | aliguori | struct ParallelIOArg *parg = arg;
|
1327 | 6f97dba0 | aliguori | int n = write(fd, parg->buffer, parg->count);
|
1328 | 6f97dba0 | aliguori | if (n != parg->count) {
|
1329 | 6f97dba0 | aliguori | return -EIO;
|
1330 | 6f97dba0 | aliguori | } |
1331 | 6f97dba0 | aliguori | } |
1332 | 6f97dba0 | aliguori | break;
|
1333 | 6f97dba0 | aliguori | default:
|
1334 | 6f97dba0 | aliguori | return -ENOTSUP;
|
1335 | 6f97dba0 | aliguori | } |
1336 | 6f97dba0 | aliguori | return 0; |
1337 | 6f97dba0 | aliguori | } |
1338 | 6f97dba0 | aliguori | |
1339 | 6f97dba0 | aliguori | static void pp_close(CharDriverState *chr) |
1340 | 6f97dba0 | aliguori | { |
1341 | 6f97dba0 | aliguori | ParallelCharDriver *drv = chr->opaque; |
1342 | 6f97dba0 | aliguori | int fd = drv->fd;
|
1343 | 6f97dba0 | aliguori | |
1344 | 6f97dba0 | aliguori | pp_hw_mode(drv, IEEE1284_MODE_COMPAT); |
1345 | 6f97dba0 | aliguori | ioctl(fd, PPRELEASE); |
1346 | 6f97dba0 | aliguori | close(fd); |
1347 | 6f97dba0 | aliguori | qemu_free(drv); |
1348 | 793cbfb5 | Amit Shah | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
1349 | 6f97dba0 | aliguori | } |
1350 | 6f97dba0 | aliguori | |
1351 | 48b76496 | Gerd Hoffmann | static CharDriverState *qemu_chr_open_pp(QemuOpts *opts)
|
1352 | 6f97dba0 | aliguori | { |
1353 | 48b76496 | Gerd Hoffmann | const char *filename = qemu_opt_get(opts, "path"); |
1354 | 6f97dba0 | aliguori | CharDriverState *chr; |
1355 | 6f97dba0 | aliguori | ParallelCharDriver *drv; |
1356 | 6f97dba0 | aliguori | int fd;
|
1357 | 6f97dba0 | aliguori | |
1358 | 6f97dba0 | aliguori | TFR(fd = open(filename, O_RDWR)); |
1359 | 6f97dba0 | aliguori | if (fd < 0) |
1360 | 6f97dba0 | aliguori | return NULL; |
1361 | 6f97dba0 | aliguori | |
1362 | 6f97dba0 | aliguori | if (ioctl(fd, PPCLAIM) < 0) { |
1363 | 6f97dba0 | aliguori | close(fd); |
1364 | 6f97dba0 | aliguori | return NULL; |
1365 | 6f97dba0 | aliguori | } |
1366 | 6f97dba0 | aliguori | |
1367 | 6f97dba0 | aliguori | drv = qemu_mallocz(sizeof(ParallelCharDriver));
|
1368 | 6f97dba0 | aliguori | drv->fd = fd; |
1369 | 6f97dba0 | aliguori | drv->mode = IEEE1284_MODE_COMPAT; |
1370 | 6f97dba0 | aliguori | |
1371 | 6f97dba0 | aliguori | chr = qemu_mallocz(sizeof(CharDriverState));
|
1372 | 6f97dba0 | aliguori | chr->chr_write = null_chr_write; |
1373 | 6f97dba0 | aliguori | chr->chr_ioctl = pp_ioctl; |
1374 | 6f97dba0 | aliguori | chr->chr_close = pp_close; |
1375 | 6f97dba0 | aliguori | chr->opaque = drv; |
1376 | 6f97dba0 | aliguori | |
1377 | 127338e6 | Amit Shah | qemu_chr_generic_open(chr); |
1378 | 6f97dba0 | aliguori | |
1379 | 6f97dba0 | aliguori | return chr;
|
1380 | 6f97dba0 | aliguori | } |
1381 | 6f97dba0 | aliguori | #endif /* __linux__ */ |
1382 | 6f97dba0 | aliguori | |
1383 | a167ba50 | Aurelien Jarno | #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
|
1384 | 6972f935 | blueswir1 | static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) |
1385 | 6972f935 | blueswir1 | { |
1386 | e0efb993 | Stefan Weil | int fd = (int)(intptr_t)chr->opaque; |
1387 | 6972f935 | blueswir1 | uint8_t b; |
1388 | 6972f935 | blueswir1 | |
1389 | 6972f935 | blueswir1 | switch(cmd) {
|
1390 | 6972f935 | blueswir1 | case CHR_IOCTL_PP_READ_DATA:
|
1391 | 6972f935 | blueswir1 | if (ioctl(fd, PPIGDATA, &b) < 0) |
1392 | 6972f935 | blueswir1 | return -ENOTSUP;
|
1393 | 6972f935 | blueswir1 | *(uint8_t *)arg = b; |
1394 | 6972f935 | blueswir1 | break;
|
1395 | 6972f935 | blueswir1 | case CHR_IOCTL_PP_WRITE_DATA:
|
1396 | 6972f935 | blueswir1 | b = *(uint8_t *)arg; |
1397 | 6972f935 | blueswir1 | if (ioctl(fd, PPISDATA, &b) < 0) |
1398 | 6972f935 | blueswir1 | return -ENOTSUP;
|
1399 | 6972f935 | blueswir1 | break;
|
1400 | 6972f935 | blueswir1 | case CHR_IOCTL_PP_READ_CONTROL:
|
1401 | 6972f935 | blueswir1 | if (ioctl(fd, PPIGCTRL, &b) < 0) |
1402 | 6972f935 | blueswir1 | return -ENOTSUP;
|
1403 | 6972f935 | blueswir1 | *(uint8_t *)arg = b; |
1404 | 6972f935 | blueswir1 | break;
|
1405 | 6972f935 | blueswir1 | case CHR_IOCTL_PP_WRITE_CONTROL:
|
1406 | 6972f935 | blueswir1 | b = *(uint8_t *)arg; |
1407 | 6972f935 | blueswir1 | if (ioctl(fd, PPISCTRL, &b) < 0) |
1408 | 6972f935 | blueswir1 | return -ENOTSUP;
|
1409 | 6972f935 | blueswir1 | break;
|
1410 | 6972f935 | blueswir1 | case CHR_IOCTL_PP_READ_STATUS:
|
1411 | 6972f935 | blueswir1 | if (ioctl(fd, PPIGSTATUS, &b) < 0) |
1412 | 6972f935 | blueswir1 | return -ENOTSUP;
|
1413 | 6972f935 | blueswir1 | *(uint8_t *)arg = b; |
1414 | 6972f935 | blueswir1 | break;
|
1415 | 6972f935 | blueswir1 | default:
|
1416 | 6972f935 | blueswir1 | return -ENOTSUP;
|
1417 | 6972f935 | blueswir1 | } |
1418 | 6972f935 | blueswir1 | return 0; |
1419 | 6972f935 | blueswir1 | } |
1420 | 6972f935 | blueswir1 | |
1421 | 48b76496 | Gerd Hoffmann | static CharDriverState *qemu_chr_open_pp(QemuOpts *opts)
|
1422 | 6972f935 | blueswir1 | { |
1423 | 48b76496 | Gerd Hoffmann | const char *filename = qemu_opt_get(opts, "path"); |
1424 | 6972f935 | blueswir1 | CharDriverState *chr; |
1425 | 6972f935 | blueswir1 | int fd;
|
1426 | 6972f935 | blueswir1 | |
1427 | 6972f935 | blueswir1 | fd = open(filename, O_RDWR); |
1428 | 6972f935 | blueswir1 | if (fd < 0) |
1429 | 6972f935 | blueswir1 | return NULL; |
1430 | 6972f935 | blueswir1 | |
1431 | 6972f935 | blueswir1 | chr = qemu_mallocz(sizeof(CharDriverState));
|
1432 | e0efb993 | Stefan Weil | chr->opaque = (void *)(intptr_t)fd;
|
1433 | 6972f935 | blueswir1 | chr->chr_write = null_chr_write; |
1434 | 6972f935 | blueswir1 | chr->chr_ioctl = pp_ioctl; |
1435 | 6972f935 | blueswir1 | return chr;
|
1436 | 6972f935 | blueswir1 | } |
1437 | 6972f935 | blueswir1 | #endif
|
1438 | 6972f935 | blueswir1 | |
1439 | 6f97dba0 | aliguori | #else /* _WIN32 */ |
1440 | 6f97dba0 | aliguori | |
1441 | 6f97dba0 | aliguori | typedef struct { |
1442 | 6f97dba0 | aliguori | int max_size;
|
1443 | 6f97dba0 | aliguori | HANDLE hcom, hrecv, hsend; |
1444 | 6f97dba0 | aliguori | OVERLAPPED orecv, osend; |
1445 | 6f97dba0 | aliguori | BOOL fpipe; |
1446 | 6f97dba0 | aliguori | DWORD len; |
1447 | 6f97dba0 | aliguori | } WinCharState; |
1448 | 6f97dba0 | aliguori | |
1449 | 6f97dba0 | aliguori | #define NSENDBUF 2048 |
1450 | 6f97dba0 | aliguori | #define NRECVBUF 2048 |
1451 | 6f97dba0 | aliguori | #define MAXCONNECT 1 |
1452 | 6f97dba0 | aliguori | #define NTIMEOUT 5000 |
1453 | 6f97dba0 | aliguori | |
1454 | 6f97dba0 | aliguori | static int win_chr_poll(void *opaque); |
1455 | 6f97dba0 | aliguori | static int win_chr_pipe_poll(void *opaque); |
1456 | 6f97dba0 | aliguori | |
1457 | 6f97dba0 | aliguori | static void win_chr_close(CharDriverState *chr) |
1458 | 6f97dba0 | aliguori | { |
1459 | 6f97dba0 | aliguori | WinCharState *s = chr->opaque; |
1460 | 6f97dba0 | aliguori | |
1461 | 6f97dba0 | aliguori | if (s->hsend) {
|
1462 | 6f97dba0 | aliguori | CloseHandle(s->hsend); |
1463 | 6f97dba0 | aliguori | s->hsend = NULL;
|
1464 | 6f97dba0 | aliguori | } |
1465 | 6f97dba0 | aliguori | if (s->hrecv) {
|
1466 | 6f97dba0 | aliguori | CloseHandle(s->hrecv); |
1467 | 6f97dba0 | aliguori | s->hrecv = NULL;
|
1468 | 6f97dba0 | aliguori | } |
1469 | 6f97dba0 | aliguori | if (s->hcom) {
|
1470 | 6f97dba0 | aliguori | CloseHandle(s->hcom); |
1471 | 6f97dba0 | aliguori | s->hcom = NULL;
|
1472 | 6f97dba0 | aliguori | } |
1473 | 6f97dba0 | aliguori | if (s->fpipe)
|
1474 | 6f97dba0 | aliguori | qemu_del_polling_cb(win_chr_pipe_poll, chr); |
1475 | 6f97dba0 | aliguori | else
|
1476 | 6f97dba0 | aliguori | qemu_del_polling_cb(win_chr_poll, chr); |
1477 | 793cbfb5 | Amit Shah | |
1478 | 793cbfb5 | Amit Shah | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
1479 | 6f97dba0 | aliguori | } |
1480 | 6f97dba0 | aliguori | |
1481 | 6f97dba0 | aliguori | static int win_chr_init(CharDriverState *chr, const char *filename) |
1482 | 6f97dba0 | aliguori | { |
1483 | 6f97dba0 | aliguori | WinCharState *s = chr->opaque; |
1484 | 6f97dba0 | aliguori | COMMCONFIG comcfg; |
1485 | 6f97dba0 | aliguori | COMMTIMEOUTS cto = { 0, 0, 0, 0, 0}; |
1486 | 6f97dba0 | aliguori | COMSTAT comstat; |
1487 | 6f97dba0 | aliguori | DWORD size; |
1488 | 6f97dba0 | aliguori | DWORD err; |
1489 | 6f97dba0 | aliguori | |
1490 | 6f97dba0 | aliguori | s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); |
1491 | 6f97dba0 | aliguori | if (!s->hsend) {
|
1492 | 6f97dba0 | aliguori | fprintf(stderr, "Failed CreateEvent\n");
|
1493 | 6f97dba0 | aliguori | goto fail;
|
1494 | 6f97dba0 | aliguori | } |
1495 | 6f97dba0 | aliguori | s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); |
1496 | 6f97dba0 | aliguori | if (!s->hrecv) {
|
1497 | 6f97dba0 | aliguori | fprintf(stderr, "Failed CreateEvent\n");
|
1498 | 6f97dba0 | aliguori | goto fail;
|
1499 | 6f97dba0 | aliguori | } |
1500 | 6f97dba0 | aliguori | |
1501 | 6f97dba0 | aliguori | s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL, |
1502 | 6f97dba0 | aliguori | OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0);
|
1503 | 6f97dba0 | aliguori | if (s->hcom == INVALID_HANDLE_VALUE) {
|
1504 | 6f97dba0 | aliguori | fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError());
|
1505 | 6f97dba0 | aliguori | s->hcom = NULL;
|
1506 | 6f97dba0 | aliguori | goto fail;
|
1507 | 6f97dba0 | aliguori | } |
1508 | 6f97dba0 | aliguori | |
1509 | 6f97dba0 | aliguori | if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) {
|
1510 | 6f97dba0 | aliguori | fprintf(stderr, "Failed SetupComm\n");
|
1511 | 6f97dba0 | aliguori | goto fail;
|
1512 | 6f97dba0 | aliguori | } |
1513 | 6f97dba0 | aliguori | |
1514 | 6f97dba0 | aliguori | ZeroMemory(&comcfg, sizeof(COMMCONFIG));
|
1515 | 6f97dba0 | aliguori | size = sizeof(COMMCONFIG);
|
1516 | 6f97dba0 | aliguori | GetDefaultCommConfig(filename, &comcfg, &size); |
1517 | 6f97dba0 | aliguori | comcfg.dcb.DCBlength = sizeof(DCB);
|
1518 | 6f97dba0 | aliguori | CommConfigDialog(filename, NULL, &comcfg);
|
1519 | 6f97dba0 | aliguori | |
1520 | 6f97dba0 | aliguori | if (!SetCommState(s->hcom, &comcfg.dcb)) {
|
1521 | 6f97dba0 | aliguori | fprintf(stderr, "Failed SetCommState\n");
|
1522 | 6f97dba0 | aliguori | goto fail;
|
1523 | 6f97dba0 | aliguori | } |
1524 | 6f97dba0 | aliguori | |
1525 | 6f97dba0 | aliguori | if (!SetCommMask(s->hcom, EV_ERR)) {
|
1526 | 6f97dba0 | aliguori | fprintf(stderr, "Failed SetCommMask\n");
|
1527 | 6f97dba0 | aliguori | goto fail;
|
1528 | 6f97dba0 | aliguori | } |
1529 | 6f97dba0 | aliguori | |
1530 | 6f97dba0 | aliguori | cto.ReadIntervalTimeout = MAXDWORD; |
1531 | 6f97dba0 | aliguori | if (!SetCommTimeouts(s->hcom, &cto)) {
|
1532 | 6f97dba0 | aliguori | fprintf(stderr, "Failed SetCommTimeouts\n");
|
1533 | 6f97dba0 | aliguori | goto fail;
|
1534 | 6f97dba0 | aliguori | } |
1535 | 6f97dba0 | aliguori | |
1536 | 6f97dba0 | aliguori | if (!ClearCommError(s->hcom, &err, &comstat)) {
|
1537 | 6f97dba0 | aliguori | fprintf(stderr, "Failed ClearCommError\n");
|
1538 | 6f97dba0 | aliguori | goto fail;
|
1539 | 6f97dba0 | aliguori | } |
1540 | 6f97dba0 | aliguori | qemu_add_polling_cb(win_chr_poll, chr); |
1541 | 6f97dba0 | aliguori | return 0; |
1542 | 6f97dba0 | aliguori | |
1543 | 6f97dba0 | aliguori | fail:
|
1544 | 6f97dba0 | aliguori | win_chr_close(chr); |
1545 | 6f97dba0 | aliguori | return -1; |
1546 | 6f97dba0 | aliguori | } |
1547 | 6f97dba0 | aliguori | |
1548 | 6f97dba0 | aliguori | static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1) |
1549 | 6f97dba0 | aliguori | { |
1550 | 6f97dba0 | aliguori | WinCharState *s = chr->opaque; |
1551 | 6f97dba0 | aliguori | DWORD len, ret, size, err; |
1552 | 6f97dba0 | aliguori | |
1553 | 6f97dba0 | aliguori | len = len1; |
1554 | 6f97dba0 | aliguori | ZeroMemory(&s->osend, sizeof(s->osend));
|
1555 | 6f97dba0 | aliguori | s->osend.hEvent = s->hsend; |
1556 | 6f97dba0 | aliguori | while (len > 0) { |
1557 | 6f97dba0 | aliguori | if (s->hsend)
|
1558 | 6f97dba0 | aliguori | ret = WriteFile(s->hcom, buf, len, &size, &s->osend); |
1559 | 6f97dba0 | aliguori | else
|
1560 | 6f97dba0 | aliguori | ret = WriteFile(s->hcom, buf, len, &size, NULL);
|
1561 | 6f97dba0 | aliguori | if (!ret) {
|
1562 | 6f97dba0 | aliguori | err = GetLastError(); |
1563 | 6f97dba0 | aliguori | if (err == ERROR_IO_PENDING) {
|
1564 | 6f97dba0 | aliguori | ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE); |
1565 | 6f97dba0 | aliguori | if (ret) {
|
1566 | 6f97dba0 | aliguori | buf += size; |
1567 | 6f97dba0 | aliguori | len -= size; |
1568 | 6f97dba0 | aliguori | } else {
|
1569 | 6f97dba0 | aliguori | break;
|
1570 | 6f97dba0 | aliguori | } |
1571 | 6f97dba0 | aliguori | } else {
|
1572 | 6f97dba0 | aliguori | break;
|
1573 | 6f97dba0 | aliguori | } |
1574 | 6f97dba0 | aliguori | } else {
|
1575 | 6f97dba0 | aliguori | buf += size; |
1576 | 6f97dba0 | aliguori | len -= size; |
1577 | 6f97dba0 | aliguori | } |
1578 | 6f97dba0 | aliguori | } |
1579 | 6f97dba0 | aliguori | return len1 - len;
|
1580 | 6f97dba0 | aliguori | } |
1581 | 6f97dba0 | aliguori | |
1582 | 6f97dba0 | aliguori | static int win_chr_read_poll(CharDriverState *chr) |
1583 | 6f97dba0 | aliguori | { |
1584 | 6f97dba0 | aliguori | WinCharState *s = chr->opaque; |
1585 | 6f97dba0 | aliguori | |
1586 | 6f97dba0 | aliguori | s->max_size = qemu_chr_can_read(chr); |
1587 | 6f97dba0 | aliguori | return s->max_size;
|
1588 | 6f97dba0 | aliguori | } |
1589 | 6f97dba0 | aliguori | |
1590 | 6f97dba0 | aliguori | static void win_chr_readfile(CharDriverState *chr) |
1591 | 6f97dba0 | aliguori | { |
1592 | 6f97dba0 | aliguori | WinCharState *s = chr->opaque; |
1593 | 6f97dba0 | aliguori | int ret, err;
|
1594 | 9bd7854e | Amit Shah | uint8_t buf[READ_BUF_LEN]; |
1595 | 6f97dba0 | aliguori | DWORD size; |
1596 | 6f97dba0 | aliguori | |
1597 | 6f97dba0 | aliguori | ZeroMemory(&s->orecv, sizeof(s->orecv));
|
1598 | 6f97dba0 | aliguori | s->orecv.hEvent = s->hrecv; |
1599 | 6f97dba0 | aliguori | ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv); |
1600 | 6f97dba0 | aliguori | if (!ret) {
|
1601 | 6f97dba0 | aliguori | err = GetLastError(); |
1602 | 6f97dba0 | aliguori | if (err == ERROR_IO_PENDING) {
|
1603 | 6f97dba0 | aliguori | ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE); |
1604 | 6f97dba0 | aliguori | } |
1605 | 6f97dba0 | aliguori | } |
1606 | 6f97dba0 | aliguori | |
1607 | 6f97dba0 | aliguori | if (size > 0) { |
1608 | 6f97dba0 | aliguori | qemu_chr_read(chr, buf, size); |
1609 | 6f97dba0 | aliguori | } |
1610 | 6f97dba0 | aliguori | } |
1611 | 6f97dba0 | aliguori | |
1612 | 6f97dba0 | aliguori | static void win_chr_read(CharDriverState *chr) |
1613 | 6f97dba0 | aliguori | { |
1614 | 6f97dba0 | aliguori | WinCharState *s = chr->opaque; |
1615 | 6f97dba0 | aliguori | |
1616 | 6f97dba0 | aliguori | if (s->len > s->max_size)
|
1617 | 6f97dba0 | aliguori | s->len = s->max_size; |
1618 | 6f97dba0 | aliguori | if (s->len == 0) |
1619 | 6f97dba0 | aliguori | return;
|
1620 | 6f97dba0 | aliguori | |
1621 | 6f97dba0 | aliguori | win_chr_readfile(chr); |
1622 | 6f97dba0 | aliguori | } |
1623 | 6f97dba0 | aliguori | |
1624 | 6f97dba0 | aliguori | static int win_chr_poll(void *opaque) |
1625 | 6f97dba0 | aliguori | { |
1626 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
1627 | 6f97dba0 | aliguori | WinCharState *s = chr->opaque; |
1628 | 6f97dba0 | aliguori | COMSTAT status; |
1629 | 6f97dba0 | aliguori | DWORD comerr; |
1630 | 6f97dba0 | aliguori | |
1631 | 6f97dba0 | aliguori | ClearCommError(s->hcom, &comerr, &status); |
1632 | 6f97dba0 | aliguori | if (status.cbInQue > 0) { |
1633 | 6f97dba0 | aliguori | s->len = status.cbInQue; |
1634 | 6f97dba0 | aliguori | win_chr_read_poll(chr); |
1635 | 6f97dba0 | aliguori | win_chr_read(chr); |
1636 | 6f97dba0 | aliguori | return 1; |
1637 | 6f97dba0 | aliguori | } |
1638 | 6f97dba0 | aliguori | return 0; |
1639 | 6f97dba0 | aliguori | } |
1640 | 6f97dba0 | aliguori | |
1641 | 48b76496 | Gerd Hoffmann | static CharDriverState *qemu_chr_open_win(QemuOpts *opts)
|
1642 | 6f97dba0 | aliguori | { |
1643 | 48b76496 | Gerd Hoffmann | const char *filename = qemu_opt_get(opts, "path"); |
1644 | 6f97dba0 | aliguori | CharDriverState *chr; |
1645 | 6f97dba0 | aliguori | WinCharState *s; |
1646 | 6f97dba0 | aliguori | |
1647 | 6f97dba0 | aliguori | chr = qemu_mallocz(sizeof(CharDriverState));
|
1648 | 6f97dba0 | aliguori | s = qemu_mallocz(sizeof(WinCharState));
|
1649 | 6f97dba0 | aliguori | chr->opaque = s; |
1650 | 6f97dba0 | aliguori | chr->chr_write = win_chr_write; |
1651 | 6f97dba0 | aliguori | chr->chr_close = win_chr_close; |
1652 | 6f97dba0 | aliguori | |
1653 | 6f97dba0 | aliguori | if (win_chr_init(chr, filename) < 0) { |
1654 | 6f97dba0 | aliguori | free(s); |
1655 | 6f97dba0 | aliguori | free(chr); |
1656 | 6f97dba0 | aliguori | return NULL; |
1657 | 6f97dba0 | aliguori | } |
1658 | 127338e6 | Amit Shah | qemu_chr_generic_open(chr); |
1659 | 6f97dba0 | aliguori | return chr;
|
1660 | 6f97dba0 | aliguori | } |
1661 | 6f97dba0 | aliguori | |
1662 | 6f97dba0 | aliguori | static int win_chr_pipe_poll(void *opaque) |
1663 | 6f97dba0 | aliguori | { |
1664 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
1665 | 6f97dba0 | aliguori | WinCharState *s = chr->opaque; |
1666 | 6f97dba0 | aliguori | DWORD size; |
1667 | 6f97dba0 | aliguori | |
1668 | 6f97dba0 | aliguori | PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL); |
1669 | 6f97dba0 | aliguori | if (size > 0) { |
1670 | 6f97dba0 | aliguori | s->len = size; |
1671 | 6f97dba0 | aliguori | win_chr_read_poll(chr); |
1672 | 6f97dba0 | aliguori | win_chr_read(chr); |
1673 | 6f97dba0 | aliguori | return 1; |
1674 | 6f97dba0 | aliguori | } |
1675 | 6f97dba0 | aliguori | return 0; |
1676 | 6f97dba0 | aliguori | } |
1677 | 6f97dba0 | aliguori | |
1678 | 6f97dba0 | aliguori | static int win_chr_pipe_init(CharDriverState *chr, const char *filename) |
1679 | 6f97dba0 | aliguori | { |
1680 | 6f97dba0 | aliguori | WinCharState *s = chr->opaque; |
1681 | 6f97dba0 | aliguori | OVERLAPPED ov; |
1682 | 6f97dba0 | aliguori | int ret;
|
1683 | 6f97dba0 | aliguori | DWORD size; |
1684 | 6f97dba0 | aliguori | char openname[256]; |
1685 | 6f97dba0 | aliguori | |
1686 | 6f97dba0 | aliguori | s->fpipe = TRUE; |
1687 | 6f97dba0 | aliguori | |
1688 | 6f97dba0 | aliguori | s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); |
1689 | 6f97dba0 | aliguori | if (!s->hsend) {
|
1690 | 6f97dba0 | aliguori | fprintf(stderr, "Failed CreateEvent\n");
|
1691 | 6f97dba0 | aliguori | goto fail;
|
1692 | 6f97dba0 | aliguori | } |
1693 | 6f97dba0 | aliguori | s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); |
1694 | 6f97dba0 | aliguori | if (!s->hrecv) {
|
1695 | 6f97dba0 | aliguori | fprintf(stderr, "Failed CreateEvent\n");
|
1696 | 6f97dba0 | aliguori | goto fail;
|
1697 | 6f97dba0 | aliguori | } |
1698 | 6f97dba0 | aliguori | |
1699 | 6f97dba0 | aliguori | snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename); |
1700 | 6f97dba0 | aliguori | s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED, |
1701 | 6f97dba0 | aliguori | PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | |
1702 | 6f97dba0 | aliguori | PIPE_WAIT, |
1703 | 6f97dba0 | aliguori | MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL);
|
1704 | 6f97dba0 | aliguori | if (s->hcom == INVALID_HANDLE_VALUE) {
|
1705 | 6f97dba0 | aliguori | fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError());
|
1706 | 6f97dba0 | aliguori | s->hcom = NULL;
|
1707 | 6f97dba0 | aliguori | goto fail;
|
1708 | 6f97dba0 | aliguori | } |
1709 | 6f97dba0 | aliguori | |
1710 | 6f97dba0 | aliguori | ZeroMemory(&ov, sizeof(ov));
|
1711 | 6f97dba0 | aliguori | ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL); |
1712 | 6f97dba0 | aliguori | ret = ConnectNamedPipe(s->hcom, &ov); |
1713 | 6f97dba0 | aliguori | if (ret) {
|
1714 | 6f97dba0 | aliguori | fprintf(stderr, "Failed ConnectNamedPipe\n");
|
1715 | 6f97dba0 | aliguori | goto fail;
|
1716 | 6f97dba0 | aliguori | } |
1717 | 6f97dba0 | aliguori | |
1718 | 6f97dba0 | aliguori | ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE); |
1719 | 6f97dba0 | aliguori | if (!ret) {
|
1720 | 6f97dba0 | aliguori | fprintf(stderr, "Failed GetOverlappedResult\n");
|
1721 | 6f97dba0 | aliguori | if (ov.hEvent) {
|
1722 | 6f97dba0 | aliguori | CloseHandle(ov.hEvent); |
1723 | 6f97dba0 | aliguori | ov.hEvent = NULL;
|
1724 | 6f97dba0 | aliguori | } |
1725 | 6f97dba0 | aliguori | goto fail;
|
1726 | 6f97dba0 | aliguori | } |
1727 | 6f97dba0 | aliguori | |
1728 | 6f97dba0 | aliguori | if (ov.hEvent) {
|
1729 | 6f97dba0 | aliguori | CloseHandle(ov.hEvent); |
1730 | 6f97dba0 | aliguori | ov.hEvent = NULL;
|
1731 | 6f97dba0 | aliguori | } |
1732 | 6f97dba0 | aliguori | qemu_add_polling_cb(win_chr_pipe_poll, chr); |
1733 | 6f97dba0 | aliguori | return 0; |
1734 | 6f97dba0 | aliguori | |
1735 | 6f97dba0 | aliguori | fail:
|
1736 | 6f97dba0 | aliguori | win_chr_close(chr); |
1737 | 6f97dba0 | aliguori | return -1; |
1738 | 6f97dba0 | aliguori | } |
1739 | 6f97dba0 | aliguori | |
1740 | 6f97dba0 | aliguori | |
1741 | 7d31544f | Gerd Hoffmann | static CharDriverState *qemu_chr_open_win_pipe(QemuOpts *opts)
|
1742 | 6f97dba0 | aliguori | { |
1743 | 7d31544f | Gerd Hoffmann | const char *filename = qemu_opt_get(opts, "path"); |
1744 | 6f97dba0 | aliguori | CharDriverState *chr; |
1745 | 6f97dba0 | aliguori | WinCharState *s; |
1746 | 6f97dba0 | aliguori | |
1747 | 6f97dba0 | aliguori | chr = qemu_mallocz(sizeof(CharDriverState));
|
1748 | 6f97dba0 | aliguori | s = qemu_mallocz(sizeof(WinCharState));
|
1749 | 6f97dba0 | aliguori | chr->opaque = s; |
1750 | 6f97dba0 | aliguori | chr->chr_write = win_chr_write; |
1751 | 6f97dba0 | aliguori | chr->chr_close = win_chr_close; |
1752 | 6f97dba0 | aliguori | |
1753 | 6f97dba0 | aliguori | if (win_chr_pipe_init(chr, filename) < 0) { |
1754 | 6f97dba0 | aliguori | free(s); |
1755 | 6f97dba0 | aliguori | free(chr); |
1756 | 6f97dba0 | aliguori | return NULL; |
1757 | 6f97dba0 | aliguori | } |
1758 | 127338e6 | Amit Shah | qemu_chr_generic_open(chr); |
1759 | 6f97dba0 | aliguori | return chr;
|
1760 | 6f97dba0 | aliguori | } |
1761 | 6f97dba0 | aliguori | |
1762 | 6f97dba0 | aliguori | static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out)
|
1763 | 6f97dba0 | aliguori | { |
1764 | 6f97dba0 | aliguori | CharDriverState *chr; |
1765 | 6f97dba0 | aliguori | WinCharState *s; |
1766 | 6f97dba0 | aliguori | |
1767 | 6f97dba0 | aliguori | chr = qemu_mallocz(sizeof(CharDriverState));
|
1768 | 6f97dba0 | aliguori | s = qemu_mallocz(sizeof(WinCharState));
|
1769 | 6f97dba0 | aliguori | s->hcom = fd_out; |
1770 | 6f97dba0 | aliguori | chr->opaque = s; |
1771 | 6f97dba0 | aliguori | chr->chr_write = win_chr_write; |
1772 | 127338e6 | Amit Shah | qemu_chr_generic_open(chr); |
1773 | 6f97dba0 | aliguori | return chr;
|
1774 | 6f97dba0 | aliguori | } |
1775 | 6f97dba0 | aliguori | |
1776 | d6c983cd | Gerd Hoffmann | static CharDriverState *qemu_chr_open_win_con(QemuOpts *opts)
|
1777 | 6f97dba0 | aliguori | { |
1778 | 6f97dba0 | aliguori | return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE));
|
1779 | 6f97dba0 | aliguori | } |
1780 | 6f97dba0 | aliguori | |
1781 | 7d31544f | Gerd Hoffmann | static CharDriverState *qemu_chr_open_win_file_out(QemuOpts *opts)
|
1782 | 6f97dba0 | aliguori | { |
1783 | 7d31544f | Gerd Hoffmann | const char *file_out = qemu_opt_get(opts, "path"); |
1784 | 6f97dba0 | aliguori | HANDLE fd_out; |
1785 | 6f97dba0 | aliguori | |
1786 | 6f97dba0 | aliguori | fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL,
|
1787 | 6f97dba0 | aliguori | OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
|
1788 | 6f97dba0 | aliguori | if (fd_out == INVALID_HANDLE_VALUE)
|
1789 | 6f97dba0 | aliguori | return NULL; |
1790 | 6f97dba0 | aliguori | |
1791 | 6f97dba0 | aliguori | return qemu_chr_open_win_file(fd_out);
|
1792 | 6f97dba0 | aliguori | } |
1793 | 6f97dba0 | aliguori | #endif /* !_WIN32 */ |
1794 | 6f97dba0 | aliguori | |
1795 | 6f97dba0 | aliguori | /***********************************************************/
|
1796 | 6f97dba0 | aliguori | /* UDP Net console */
|
1797 | 6f97dba0 | aliguori | |
1798 | 6f97dba0 | aliguori | typedef struct { |
1799 | 6f97dba0 | aliguori | int fd;
|
1800 | 9bd7854e | Amit Shah | uint8_t buf[READ_BUF_LEN]; |
1801 | 6f97dba0 | aliguori | int bufcnt;
|
1802 | 6f97dba0 | aliguori | int bufptr;
|
1803 | 6f97dba0 | aliguori | int max_size;
|
1804 | 6f97dba0 | aliguori | } NetCharDriver; |
1805 | 6f97dba0 | aliguori | |
1806 | 6f97dba0 | aliguori | static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
1807 | 6f97dba0 | aliguori | { |
1808 | 6f97dba0 | aliguori | NetCharDriver *s = chr->opaque; |
1809 | 6f97dba0 | aliguori | |
1810 | 7e1b35b4 | Gerd Hoffmann | return send(s->fd, (const void *)buf, len, 0); |
1811 | 6f97dba0 | aliguori | } |
1812 | 6f97dba0 | aliguori | |
1813 | 6f97dba0 | aliguori | static int udp_chr_read_poll(void *opaque) |
1814 | 6f97dba0 | aliguori | { |
1815 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
1816 | 6f97dba0 | aliguori | NetCharDriver *s = chr->opaque; |
1817 | 6f97dba0 | aliguori | |
1818 | 6f97dba0 | aliguori | s->max_size = qemu_chr_can_read(chr); |
1819 | 6f97dba0 | aliguori | |
1820 | 6f97dba0 | aliguori | /* If there were any stray characters in the queue process them
|
1821 | 6f97dba0 | aliguori | * first
|
1822 | 6f97dba0 | aliguori | */
|
1823 | 6f97dba0 | aliguori | while (s->max_size > 0 && s->bufptr < s->bufcnt) { |
1824 | 6f97dba0 | aliguori | qemu_chr_read(chr, &s->buf[s->bufptr], 1);
|
1825 | 6f97dba0 | aliguori | s->bufptr++; |
1826 | 6f97dba0 | aliguori | s->max_size = qemu_chr_can_read(chr); |
1827 | 6f97dba0 | aliguori | } |
1828 | 6f97dba0 | aliguori | return s->max_size;
|
1829 | 6f97dba0 | aliguori | } |
1830 | 6f97dba0 | aliguori | |
1831 | 6f97dba0 | aliguori | static void udp_chr_read(void *opaque) |
1832 | 6f97dba0 | aliguori | { |
1833 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
1834 | 6f97dba0 | aliguori | NetCharDriver *s = chr->opaque; |
1835 | 6f97dba0 | aliguori | |
1836 | 6f97dba0 | aliguori | if (s->max_size == 0) |
1837 | 6f97dba0 | aliguori | return;
|
1838 | c5b76b38 | Blue Swirl | s->bufcnt = recv(s->fd, (void *)s->buf, sizeof(s->buf), 0); |
1839 | 6f97dba0 | aliguori | s->bufptr = s->bufcnt; |
1840 | 6f97dba0 | aliguori | if (s->bufcnt <= 0) |
1841 | 6f97dba0 | aliguori | return;
|
1842 | 6f97dba0 | aliguori | |
1843 | 6f97dba0 | aliguori | s->bufptr = 0;
|
1844 | 6f97dba0 | aliguori | while (s->max_size > 0 && s->bufptr < s->bufcnt) { |
1845 | 6f97dba0 | aliguori | qemu_chr_read(chr, &s->buf[s->bufptr], 1);
|
1846 | 6f97dba0 | aliguori | s->bufptr++; |
1847 | 6f97dba0 | aliguori | s->max_size = qemu_chr_can_read(chr); |
1848 | 6f97dba0 | aliguori | } |
1849 | 6f97dba0 | aliguori | } |
1850 | 6f97dba0 | aliguori | |
1851 | 6f97dba0 | aliguori | static void udp_chr_update_read_handler(CharDriverState *chr) |
1852 | 6f97dba0 | aliguori | { |
1853 | 6f97dba0 | aliguori | NetCharDriver *s = chr->opaque; |
1854 | 6f97dba0 | aliguori | |
1855 | 6f97dba0 | aliguori | if (s->fd >= 0) { |
1856 | 6f97dba0 | aliguori | qemu_set_fd_handler2(s->fd, udp_chr_read_poll, |
1857 | 6f97dba0 | aliguori | udp_chr_read, NULL, chr);
|
1858 | 6f97dba0 | aliguori | } |
1859 | 6f97dba0 | aliguori | } |
1860 | 6f97dba0 | aliguori | |
1861 | 819f56b7 | aliguori | static void udp_chr_close(CharDriverState *chr) |
1862 | 819f56b7 | aliguori | { |
1863 | 819f56b7 | aliguori | NetCharDriver *s = chr->opaque; |
1864 | 819f56b7 | aliguori | if (s->fd >= 0) { |
1865 | 819f56b7 | aliguori | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
1866 | 819f56b7 | aliguori | closesocket(s->fd); |
1867 | 819f56b7 | aliguori | } |
1868 | 819f56b7 | aliguori | qemu_free(s); |
1869 | 793cbfb5 | Amit Shah | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
1870 | 819f56b7 | aliguori | } |
1871 | 819f56b7 | aliguori | |
1872 | 7e1b35b4 | Gerd Hoffmann | static CharDriverState *qemu_chr_open_udp(QemuOpts *opts)
|
1873 | 6f97dba0 | aliguori | { |
1874 | 6f97dba0 | aliguori | CharDriverState *chr = NULL;
|
1875 | 6f97dba0 | aliguori | NetCharDriver *s = NULL;
|
1876 | 6f97dba0 | aliguori | int fd = -1; |
1877 | 6f97dba0 | aliguori | |
1878 | 6f97dba0 | aliguori | chr = qemu_mallocz(sizeof(CharDriverState));
|
1879 | 6f97dba0 | aliguori | s = qemu_mallocz(sizeof(NetCharDriver));
|
1880 | 6f97dba0 | aliguori | |
1881 | 7e1b35b4 | Gerd Hoffmann | fd = inet_dgram_opts(opts); |
1882 | 6f97dba0 | aliguori | if (fd < 0) { |
1883 | 7e1b35b4 | Gerd Hoffmann | fprintf(stderr, "inet_dgram_opts failed\n");
|
1884 | 6f97dba0 | aliguori | goto return_err;
|
1885 | 6f97dba0 | aliguori | } |
1886 | 6f97dba0 | aliguori | |
1887 | 6f97dba0 | aliguori | s->fd = fd; |
1888 | 6f97dba0 | aliguori | s->bufcnt = 0;
|
1889 | 6f97dba0 | aliguori | s->bufptr = 0;
|
1890 | 6f97dba0 | aliguori | chr->opaque = s; |
1891 | 6f97dba0 | aliguori | chr->chr_write = udp_chr_write; |
1892 | 6f97dba0 | aliguori | chr->chr_update_read_handler = udp_chr_update_read_handler; |
1893 | 819f56b7 | aliguori | chr->chr_close = udp_chr_close; |
1894 | 6f97dba0 | aliguori | return chr;
|
1895 | 6f97dba0 | aliguori | |
1896 | 6f97dba0 | aliguori | return_err:
|
1897 | 6f97dba0 | aliguori | if (chr)
|
1898 | 6f97dba0 | aliguori | free(chr); |
1899 | 6f97dba0 | aliguori | if (s)
|
1900 | 6f97dba0 | aliguori | free(s); |
1901 | 6f97dba0 | aliguori | if (fd >= 0) |
1902 | 6f97dba0 | aliguori | closesocket(fd); |
1903 | 6f97dba0 | aliguori | return NULL; |
1904 | 6f97dba0 | aliguori | } |
1905 | 6f97dba0 | aliguori | |
1906 | 6f97dba0 | aliguori | /***********************************************************/
|
1907 | 6f97dba0 | aliguori | /* TCP Net console */
|
1908 | 6f97dba0 | aliguori | |
1909 | 6f97dba0 | aliguori | typedef struct { |
1910 | 6f97dba0 | aliguori | int fd, listen_fd;
|
1911 | 6f97dba0 | aliguori | int connected;
|
1912 | 6f97dba0 | aliguori | int max_size;
|
1913 | 6f97dba0 | aliguori | int do_telnetopt;
|
1914 | 6f97dba0 | aliguori | int do_nodelay;
|
1915 | 6f97dba0 | aliguori | int is_unix;
|
1916 | 7d174059 | Mark McLoughlin | int msgfd;
|
1917 | 6f97dba0 | aliguori | } TCPCharDriver; |
1918 | 6f97dba0 | aliguori | |
1919 | 6f97dba0 | aliguori | static void tcp_chr_accept(void *opaque); |
1920 | 6f97dba0 | aliguori | |
1921 | 6f97dba0 | aliguori | static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
1922 | 6f97dba0 | aliguori | { |
1923 | 6f97dba0 | aliguori | TCPCharDriver *s = chr->opaque; |
1924 | 6f97dba0 | aliguori | if (s->connected) {
|
1925 | 6f97dba0 | aliguori | return send_all(s->fd, buf, len);
|
1926 | 6f97dba0 | aliguori | } else {
|
1927 | 6f97dba0 | aliguori | /* XXX: indicate an error ? */
|
1928 | 6f97dba0 | aliguori | return len;
|
1929 | 6f97dba0 | aliguori | } |
1930 | 6f97dba0 | aliguori | } |
1931 | 6f97dba0 | aliguori | |
1932 | 6f97dba0 | aliguori | static int tcp_chr_read_poll(void *opaque) |
1933 | 6f97dba0 | aliguori | { |
1934 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
1935 | 6f97dba0 | aliguori | TCPCharDriver *s = chr->opaque; |
1936 | 6f97dba0 | aliguori | if (!s->connected)
|
1937 | 6f97dba0 | aliguori | return 0; |
1938 | 6f97dba0 | aliguori | s->max_size = qemu_chr_can_read(chr); |
1939 | 6f97dba0 | aliguori | return s->max_size;
|
1940 | 6f97dba0 | aliguori | } |
1941 | 6f97dba0 | aliguori | |
1942 | 6f97dba0 | aliguori | #define IAC 255 |
1943 | 6f97dba0 | aliguori | #define IAC_BREAK 243 |
1944 | 6f97dba0 | aliguori | static void tcp_chr_process_IAC_bytes(CharDriverState *chr, |
1945 | 6f97dba0 | aliguori | TCPCharDriver *s, |
1946 | 6f97dba0 | aliguori | uint8_t *buf, int *size)
|
1947 | 6f97dba0 | aliguori | { |
1948 | 6f97dba0 | aliguori | /* Handle any telnet client's basic IAC options to satisfy char by
|
1949 | 6f97dba0 | aliguori | * char mode with no echo. All IAC options will be removed from
|
1950 | 6f97dba0 | aliguori | * the buf and the do_telnetopt variable will be used to track the
|
1951 | 6f97dba0 | aliguori | * state of the width of the IAC information.
|
1952 | 6f97dba0 | aliguori | *
|
1953 | 6f97dba0 | aliguori | * IAC commands come in sets of 3 bytes with the exception of the
|
1954 | 6f97dba0 | aliguori | * "IAC BREAK" command and the double IAC.
|
1955 | 6f97dba0 | aliguori | */
|
1956 | 6f97dba0 | aliguori | |
1957 | 6f97dba0 | aliguori | int i;
|
1958 | 6f97dba0 | aliguori | int j = 0; |
1959 | 6f97dba0 | aliguori | |
1960 | 6f97dba0 | aliguori | for (i = 0; i < *size; i++) { |
1961 | 6f97dba0 | aliguori | if (s->do_telnetopt > 1) { |
1962 | 6f97dba0 | aliguori | if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) { |
1963 | 6f97dba0 | aliguori | /* Double IAC means send an IAC */
|
1964 | 6f97dba0 | aliguori | if (j != i)
|
1965 | 6f97dba0 | aliguori | buf[j] = buf[i]; |
1966 | 6f97dba0 | aliguori | j++; |
1967 | 6f97dba0 | aliguori | s->do_telnetopt = 1;
|
1968 | 6f97dba0 | aliguori | } else {
|
1969 | 6f97dba0 | aliguori | if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) { |
1970 | 6f97dba0 | aliguori | /* Handle IAC break commands by sending a serial break */
|
1971 | 6f97dba0 | aliguori | qemu_chr_event(chr, CHR_EVENT_BREAK); |
1972 | 6f97dba0 | aliguori | s->do_telnetopt++; |
1973 | 6f97dba0 | aliguori | } |
1974 | 6f97dba0 | aliguori | s->do_telnetopt++; |
1975 | 6f97dba0 | aliguori | } |
1976 | 6f97dba0 | aliguori | if (s->do_telnetopt >= 4) { |
1977 | 6f97dba0 | aliguori | s->do_telnetopt = 1;
|
1978 | 6f97dba0 | aliguori | } |
1979 | 6f97dba0 | aliguori | } else {
|
1980 | 6f97dba0 | aliguori | if ((unsigned char)buf[i] == IAC) { |
1981 | 6f97dba0 | aliguori | s->do_telnetopt = 2;
|
1982 | 6f97dba0 | aliguori | } else {
|
1983 | 6f97dba0 | aliguori | if (j != i)
|
1984 | 6f97dba0 | aliguori | buf[j] = buf[i]; |
1985 | 6f97dba0 | aliguori | j++; |
1986 | 6f97dba0 | aliguori | } |
1987 | 6f97dba0 | aliguori | } |
1988 | 6f97dba0 | aliguori | } |
1989 | 6f97dba0 | aliguori | *size = j; |
1990 | 6f97dba0 | aliguori | } |
1991 | 6f97dba0 | aliguori | |
1992 | 7d174059 | Mark McLoughlin | static int tcp_get_msgfd(CharDriverState *chr) |
1993 | 7d174059 | Mark McLoughlin | { |
1994 | 7d174059 | Mark McLoughlin | TCPCharDriver *s = chr->opaque; |
1995 | e53f27b9 | Paolo Bonzini | int fd = s->msgfd;
|
1996 | e53f27b9 | Paolo Bonzini | s->msgfd = -1;
|
1997 | e53f27b9 | Paolo Bonzini | return fd;
|
1998 | 7d174059 | Mark McLoughlin | } |
1999 | 7d174059 | Mark McLoughlin | |
2000 | 73bcc2ac | Anthony Liguori | #ifndef _WIN32
|
2001 | 7d174059 | Mark McLoughlin | static void unix_process_msgfd(CharDriverState *chr, struct msghdr *msg) |
2002 | 7d174059 | Mark McLoughlin | { |
2003 | 7d174059 | Mark McLoughlin | TCPCharDriver *s = chr->opaque; |
2004 | 7d174059 | Mark McLoughlin | struct cmsghdr *cmsg;
|
2005 | 7d174059 | Mark McLoughlin | |
2006 | 7d174059 | Mark McLoughlin | for (cmsg = CMSG_FIRSTHDR(msg); cmsg; cmsg = CMSG_NXTHDR(msg, cmsg)) {
|
2007 | 7d174059 | Mark McLoughlin | int fd;
|
2008 | 7d174059 | Mark McLoughlin | |
2009 | 7d174059 | Mark McLoughlin | if (cmsg->cmsg_len != CMSG_LEN(sizeof(int)) || |
2010 | 7d174059 | Mark McLoughlin | cmsg->cmsg_level != SOL_SOCKET || |
2011 | 7d174059 | Mark McLoughlin | cmsg->cmsg_type != SCM_RIGHTS) |
2012 | 7d174059 | Mark McLoughlin | continue;
|
2013 | 7d174059 | Mark McLoughlin | |
2014 | 7d174059 | Mark McLoughlin | fd = *((int *)CMSG_DATA(cmsg));
|
2015 | 7d174059 | Mark McLoughlin | if (fd < 0) |
2016 | 7d174059 | Mark McLoughlin | continue;
|
2017 | 7d174059 | Mark McLoughlin | |
2018 | 7d174059 | Mark McLoughlin | if (s->msgfd != -1) |
2019 | 7d174059 | Mark McLoughlin | close(s->msgfd); |
2020 | 7d174059 | Mark McLoughlin | s->msgfd = fd; |
2021 | 7d174059 | Mark McLoughlin | } |
2022 | 7d174059 | Mark McLoughlin | } |
2023 | 7d174059 | Mark McLoughlin | |
2024 | 9977c894 | Mark McLoughlin | static ssize_t tcp_chr_recv(CharDriverState *chr, char *buf, size_t len) |
2025 | 9977c894 | Mark McLoughlin | { |
2026 | 9977c894 | Mark McLoughlin | TCPCharDriver *s = chr->opaque; |
2027 | 7cba04f6 | Blue Swirl | struct msghdr msg = { NULL, }; |
2028 | 9977c894 | Mark McLoughlin | struct iovec iov[1]; |
2029 | 7d174059 | Mark McLoughlin | union {
|
2030 | 7d174059 | Mark McLoughlin | struct cmsghdr cmsg;
|
2031 | 7d174059 | Mark McLoughlin | char control[CMSG_SPACE(sizeof(int))]; |
2032 | 7d174059 | Mark McLoughlin | } msg_control; |
2033 | 7d174059 | Mark McLoughlin | ssize_t ret; |
2034 | 9977c894 | Mark McLoughlin | |
2035 | 9977c894 | Mark McLoughlin | iov[0].iov_base = buf;
|
2036 | 9977c894 | Mark McLoughlin | iov[0].iov_len = len;
|
2037 | 9977c894 | Mark McLoughlin | |
2038 | 9977c894 | Mark McLoughlin | msg.msg_iov = iov; |
2039 | 9977c894 | Mark McLoughlin | msg.msg_iovlen = 1;
|
2040 | 7d174059 | Mark McLoughlin | msg.msg_control = &msg_control; |
2041 | 7d174059 | Mark McLoughlin | msg.msg_controllen = sizeof(msg_control);
|
2042 | 7d174059 | Mark McLoughlin | |
2043 | 7d174059 | Mark McLoughlin | ret = recvmsg(s->fd, &msg, 0);
|
2044 | 7d174059 | Mark McLoughlin | if (ret > 0 && s->is_unix) |
2045 | 7d174059 | Mark McLoughlin | unix_process_msgfd(chr, &msg); |
2046 | 9977c894 | Mark McLoughlin | |
2047 | 7d174059 | Mark McLoughlin | return ret;
|
2048 | 9977c894 | Mark McLoughlin | } |
2049 | 9977c894 | Mark McLoughlin | #else
|
2050 | 9977c894 | Mark McLoughlin | static ssize_t tcp_chr_recv(CharDriverState *chr, char *buf, size_t len) |
2051 | 9977c894 | Mark McLoughlin | { |
2052 | 9977c894 | Mark McLoughlin | TCPCharDriver *s = chr->opaque; |
2053 | 9977c894 | Mark McLoughlin | return recv(s->fd, buf, len, 0); |
2054 | 9977c894 | Mark McLoughlin | } |
2055 | 9977c894 | Mark McLoughlin | #endif
|
2056 | 9977c894 | Mark McLoughlin | |
2057 | 6f97dba0 | aliguori | static void tcp_chr_read(void *opaque) |
2058 | 6f97dba0 | aliguori | { |
2059 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
2060 | 6f97dba0 | aliguori | TCPCharDriver *s = chr->opaque; |
2061 | 9bd7854e | Amit Shah | uint8_t buf[READ_BUF_LEN]; |
2062 | 6f97dba0 | aliguori | int len, size;
|
2063 | 6f97dba0 | aliguori | |
2064 | 6f97dba0 | aliguori | if (!s->connected || s->max_size <= 0) |
2065 | 6f97dba0 | aliguori | return;
|
2066 | 6f97dba0 | aliguori | len = sizeof(buf);
|
2067 | 6f97dba0 | aliguori | if (len > s->max_size)
|
2068 | 6f97dba0 | aliguori | len = s->max_size; |
2069 | 9977c894 | Mark McLoughlin | size = tcp_chr_recv(chr, (void *)buf, len);
|
2070 | 6f97dba0 | aliguori | if (size == 0) { |
2071 | 6f97dba0 | aliguori | /* connection closed */
|
2072 | 6f97dba0 | aliguori | s->connected = 0;
|
2073 | 6f97dba0 | aliguori | if (s->listen_fd >= 0) { |
2074 | 6f97dba0 | aliguori | qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
|
2075 | 6f97dba0 | aliguori | } |
2076 | 6f97dba0 | aliguori | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
2077 | 6f97dba0 | aliguori | closesocket(s->fd); |
2078 | 6f97dba0 | aliguori | s->fd = -1;
|
2079 | 793cbfb5 | Amit Shah | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
2080 | 6f97dba0 | aliguori | } else if (size > 0) { |
2081 | 6f97dba0 | aliguori | if (s->do_telnetopt)
|
2082 | 6f97dba0 | aliguori | tcp_chr_process_IAC_bytes(chr, s, buf, &size); |
2083 | 6f97dba0 | aliguori | if (size > 0) |
2084 | 6f97dba0 | aliguori | qemu_chr_read(chr, buf, size); |
2085 | 6f97dba0 | aliguori | } |
2086 | 6f97dba0 | aliguori | } |
2087 | 6f97dba0 | aliguori | |
2088 | 68c18d1c | Blue Swirl | #ifndef _WIN32
|
2089 | 68c18d1c | Blue Swirl | CharDriverState *qemu_chr_open_eventfd(int eventfd)
|
2090 | 68c18d1c | Blue Swirl | { |
2091 | 6cbf4c8c | Cam Macdonell | return qemu_chr_open_fd(eventfd, eventfd);
|
2092 | 6cbf4c8c | Cam Macdonell | } |
2093 | 68c18d1c | Blue Swirl | #endif
|
2094 | 6cbf4c8c | Cam Macdonell | |
2095 | 6f97dba0 | aliguori | static void tcp_chr_connect(void *opaque) |
2096 | 6f97dba0 | aliguori | { |
2097 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
2098 | 6f97dba0 | aliguori | TCPCharDriver *s = chr->opaque; |
2099 | 6f97dba0 | aliguori | |
2100 | 6f97dba0 | aliguori | s->connected = 1;
|
2101 | 6f97dba0 | aliguori | qemu_set_fd_handler2(s->fd, tcp_chr_read_poll, |
2102 | 6f97dba0 | aliguori | tcp_chr_read, NULL, chr);
|
2103 | 127338e6 | Amit Shah | qemu_chr_generic_open(chr); |
2104 | 6f97dba0 | aliguori | } |
2105 | 6f97dba0 | aliguori | |
2106 | 6f97dba0 | aliguori | #define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c; |
2107 | 6f97dba0 | aliguori | static void tcp_chr_telnet_init(int fd) |
2108 | 6f97dba0 | aliguori | { |
2109 | 6f97dba0 | aliguori | char buf[3]; |
2110 | 6f97dba0 | aliguori | /* Send the telnet negotion to put telnet in binary, no echo, single char mode */
|
2111 | 6f97dba0 | aliguori | IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */ |
2112 | 6f97dba0 | aliguori | send(fd, (char *)buf, 3, 0); |
2113 | 6f97dba0 | aliguori | IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */ |
2114 | 6f97dba0 | aliguori | send(fd, (char *)buf, 3, 0); |
2115 | 6f97dba0 | aliguori | IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */ |
2116 | 6f97dba0 | aliguori | send(fd, (char *)buf, 3, 0); |
2117 | 6f97dba0 | aliguori | IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */ |
2118 | 6f97dba0 | aliguori | send(fd, (char *)buf, 3, 0); |
2119 | 6f97dba0 | aliguori | } |
2120 | 6f97dba0 | aliguori | |
2121 | 6f97dba0 | aliguori | static void socket_set_nodelay(int fd) |
2122 | 6f97dba0 | aliguori | { |
2123 | 6f97dba0 | aliguori | int val = 1; |
2124 | 6f97dba0 | aliguori | setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val)); |
2125 | 6f97dba0 | aliguori | } |
2126 | 6f97dba0 | aliguori | |
2127 | 6f97dba0 | aliguori | static void tcp_chr_accept(void *opaque) |
2128 | 6f97dba0 | aliguori | { |
2129 | 6f97dba0 | aliguori | CharDriverState *chr = opaque; |
2130 | 6f97dba0 | aliguori | TCPCharDriver *s = chr->opaque; |
2131 | 6f97dba0 | aliguori | struct sockaddr_in saddr;
|
2132 | 6f97dba0 | aliguori | #ifndef _WIN32
|
2133 | 6f97dba0 | aliguori | struct sockaddr_un uaddr;
|
2134 | 6f97dba0 | aliguori | #endif
|
2135 | 6f97dba0 | aliguori | struct sockaddr *addr;
|
2136 | 6f97dba0 | aliguori | socklen_t len; |
2137 | 6f97dba0 | aliguori | int fd;
|
2138 | 6f97dba0 | aliguori | |
2139 | 6f97dba0 | aliguori | for(;;) {
|
2140 | 6f97dba0 | aliguori | #ifndef _WIN32
|
2141 | 6f97dba0 | aliguori | if (s->is_unix) {
|
2142 | 6f97dba0 | aliguori | len = sizeof(uaddr);
|
2143 | 6f97dba0 | aliguori | addr = (struct sockaddr *)&uaddr;
|
2144 | 6f97dba0 | aliguori | } else
|
2145 | 6f97dba0 | aliguori | #endif
|
2146 | 6f97dba0 | aliguori | { |
2147 | 6f97dba0 | aliguori | len = sizeof(saddr);
|
2148 | 6f97dba0 | aliguori | addr = (struct sockaddr *)&saddr;
|
2149 | 6f97dba0 | aliguori | } |
2150 | 40ff6d7e | Kevin Wolf | fd = qemu_accept(s->listen_fd, addr, &len); |
2151 | 6f97dba0 | aliguori | if (fd < 0 && errno != EINTR) { |
2152 | 6f97dba0 | aliguori | return;
|
2153 | 6f97dba0 | aliguori | } else if (fd >= 0) { |
2154 | 6f97dba0 | aliguori | if (s->do_telnetopt)
|
2155 | 6f97dba0 | aliguori | tcp_chr_telnet_init(fd); |
2156 | 6f97dba0 | aliguori | break;
|
2157 | 6f97dba0 | aliguori | } |
2158 | 6f97dba0 | aliguori | } |
2159 | 6f97dba0 | aliguori | socket_set_nonblock(fd); |
2160 | 6f97dba0 | aliguori | if (s->do_nodelay)
|
2161 | 6f97dba0 | aliguori | socket_set_nodelay(fd); |
2162 | 6f97dba0 | aliguori | s->fd = fd; |
2163 | 6f97dba0 | aliguori | qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL); |
2164 | 6f97dba0 | aliguori | tcp_chr_connect(chr); |
2165 | 6f97dba0 | aliguori | } |
2166 | 6f97dba0 | aliguori | |
2167 | 6f97dba0 | aliguori | static void tcp_chr_close(CharDriverState *chr) |
2168 | 6f97dba0 | aliguori | { |
2169 | 6f97dba0 | aliguori | TCPCharDriver *s = chr->opaque; |
2170 | 819f56b7 | aliguori | if (s->fd >= 0) { |
2171 | 819f56b7 | aliguori | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
2172 | 6f97dba0 | aliguori | closesocket(s->fd); |
2173 | 819f56b7 | aliguori | } |
2174 | 819f56b7 | aliguori | if (s->listen_fd >= 0) { |
2175 | 819f56b7 | aliguori | qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL); |
2176 | 6f97dba0 | aliguori | closesocket(s->listen_fd); |
2177 | 819f56b7 | aliguori | } |
2178 | 6f97dba0 | aliguori | qemu_free(s); |
2179 | 793cbfb5 | Amit Shah | qemu_chr_event(chr, CHR_EVENT_CLOSED); |
2180 | 6f97dba0 | aliguori | } |
2181 | 6f97dba0 | aliguori | |
2182 | aeb2c47a | Gerd Hoffmann | static CharDriverState *qemu_chr_open_socket(QemuOpts *opts)
|
2183 | 6f97dba0 | aliguori | { |
2184 | 6f97dba0 | aliguori | CharDriverState *chr = NULL;
|
2185 | 6f97dba0 | aliguori | TCPCharDriver *s = NULL;
|
2186 | aeb2c47a | Gerd Hoffmann | int fd = -1; |
2187 | aeb2c47a | Gerd Hoffmann | int is_listen;
|
2188 | aeb2c47a | Gerd Hoffmann | int is_waitconnect;
|
2189 | aeb2c47a | Gerd Hoffmann | int do_nodelay;
|
2190 | aeb2c47a | Gerd Hoffmann | int is_unix;
|
2191 | aeb2c47a | Gerd Hoffmann | int is_telnet;
|
2192 | aeb2c47a | Gerd Hoffmann | |
2193 | aeb2c47a | Gerd Hoffmann | is_listen = qemu_opt_get_bool(opts, "server", 0); |
2194 | aeb2c47a | Gerd Hoffmann | is_waitconnect = qemu_opt_get_bool(opts, "wait", 1); |
2195 | aeb2c47a | Gerd Hoffmann | is_telnet = qemu_opt_get_bool(opts, "telnet", 0); |
2196 | aeb2c47a | Gerd Hoffmann | do_nodelay = !qemu_opt_get_bool(opts, "delay", 1); |
2197 | aeb2c47a | Gerd Hoffmann | is_unix = qemu_opt_get(opts, "path") != NULL; |
2198 | 6f97dba0 | aliguori | if (!is_listen)
|
2199 | 6f97dba0 | aliguori | is_waitconnect = 0;
|
2200 | 6f97dba0 | aliguori | |
2201 | 6f97dba0 | aliguori | chr = qemu_mallocz(sizeof(CharDriverState));
|
2202 | 6f97dba0 | aliguori | s = qemu_mallocz(sizeof(TCPCharDriver));
|
2203 | 6f97dba0 | aliguori | |
2204 | f07b6003 | aliguori | if (is_unix) {
|
2205 | f07b6003 | aliguori | if (is_listen) {
|
2206 | aeb2c47a | Gerd Hoffmann | fd = unix_listen_opts(opts); |
2207 | f07b6003 | aliguori | } else {
|
2208 | aeb2c47a | Gerd Hoffmann | fd = unix_connect_opts(opts); |
2209 | f07b6003 | aliguori | } |
2210 | f07b6003 | aliguori | } else {
|
2211 | f07b6003 | aliguori | if (is_listen) {
|
2212 | aeb2c47a | Gerd Hoffmann | fd = inet_listen_opts(opts, 0);
|
2213 | f07b6003 | aliguori | } else {
|
2214 | aeb2c47a | Gerd Hoffmann | fd = inet_connect_opts(opts); |
2215 | f07b6003 | aliguori | } |
2216 | f07b6003 | aliguori | } |
2217 | 6f97dba0 | aliguori | if (fd < 0) |
2218 | 6f97dba0 | aliguori | goto fail;
|
2219 | 6f97dba0 | aliguori | |
2220 | 6f97dba0 | aliguori | if (!is_waitconnect)
|
2221 | 6f97dba0 | aliguori | socket_set_nonblock(fd); |
2222 | 6f97dba0 | aliguori | |
2223 | 6f97dba0 | aliguori | s->connected = 0;
|
2224 | 6f97dba0 | aliguori | s->fd = -1;
|
2225 | 6f97dba0 | aliguori | s->listen_fd = -1;
|
2226 | 7d174059 | Mark McLoughlin | s->msgfd = -1;
|
2227 | 6f97dba0 | aliguori | s->is_unix = is_unix; |
2228 | 6f97dba0 | aliguori | s->do_nodelay = do_nodelay && !is_unix; |
2229 | 6f97dba0 | aliguori | |
2230 | 6f97dba0 | aliguori | chr->opaque = s; |
2231 | 6f97dba0 | aliguori | chr->chr_write = tcp_chr_write; |
2232 | 6f97dba0 | aliguori | chr->chr_close = tcp_chr_close; |
2233 | 7d174059 | Mark McLoughlin | chr->get_msgfd = tcp_get_msgfd; |
2234 | 6f97dba0 | aliguori | |
2235 | 6f97dba0 | aliguori | if (is_listen) {
|
2236 | 6f97dba0 | aliguori | s->listen_fd = fd; |
2237 | 6f97dba0 | aliguori | qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
|
2238 | 6f97dba0 | aliguori | if (is_telnet)
|
2239 | 6f97dba0 | aliguori | s->do_telnetopt = 1;
|
2240 | aeb2c47a | Gerd Hoffmann | |
2241 | 6f97dba0 | aliguori | } else {
|
2242 | f07b6003 | aliguori | s->connected = 1;
|
2243 | 6f97dba0 | aliguori | s->fd = fd; |
2244 | 6f97dba0 | aliguori | socket_set_nodelay(fd); |
2245 | f07b6003 | aliguori | tcp_chr_connect(chr); |
2246 | 6f97dba0 | aliguori | } |
2247 | 6f97dba0 | aliguori | |
2248 | aeb2c47a | Gerd Hoffmann | /* for "info chardev" monitor command */
|
2249 | aeb2c47a | Gerd Hoffmann | chr->filename = qemu_malloc(256);
|
2250 | aeb2c47a | Gerd Hoffmann | if (is_unix) {
|
2251 | aeb2c47a | Gerd Hoffmann | snprintf(chr->filename, 256, "unix:%s%s", |
2252 | aeb2c47a | Gerd Hoffmann | qemu_opt_get(opts, "path"),
|
2253 | aeb2c47a | Gerd Hoffmann | qemu_opt_get_bool(opts, "server", 0) ? ",server" : ""); |
2254 | aeb2c47a | Gerd Hoffmann | } else if (is_telnet) { |
2255 | aeb2c47a | Gerd Hoffmann | snprintf(chr->filename, 256, "telnet:%s:%s%s", |
2256 | aeb2c47a | Gerd Hoffmann | qemu_opt_get(opts, "host"), qemu_opt_get(opts, "port"), |
2257 | aeb2c47a | Gerd Hoffmann | qemu_opt_get_bool(opts, "server", 0) ? ",server" : ""); |
2258 | aeb2c47a | Gerd Hoffmann | } else {
|
2259 | aeb2c47a | Gerd Hoffmann | snprintf(chr->filename, 256, "tcp:%s:%s%s", |
2260 | aeb2c47a | Gerd Hoffmann | qemu_opt_get(opts, "host"), qemu_opt_get(opts, "port"), |
2261 | aeb2c47a | Gerd Hoffmann | qemu_opt_get_bool(opts, "server", 0) ? ",server" : ""); |
2262 | aeb2c47a | Gerd Hoffmann | } |
2263 | aeb2c47a | Gerd Hoffmann | |
2264 | 6f97dba0 | aliguori | if (is_listen && is_waitconnect) {
|
2265 | f07b6003 | aliguori | printf("QEMU waiting for connection on: %s\n",
|
2266 | aeb2c47a | Gerd Hoffmann | chr->filename); |
2267 | 6f97dba0 | aliguori | tcp_chr_accept(chr); |
2268 | 6f97dba0 | aliguori | socket_set_nonblock(s->listen_fd); |
2269 | 6f97dba0 | aliguori | } |
2270 | 6f97dba0 | aliguori | return chr;
|
2271 | aeb2c47a | Gerd Hoffmann | |
2272 | 6f97dba0 | aliguori | fail:
|
2273 | 6f97dba0 | aliguori | if (fd >= 0) |
2274 | 6f97dba0 | aliguori | closesocket(fd); |
2275 | 6f97dba0 | aliguori | qemu_free(s); |
2276 | 6f97dba0 | aliguori | qemu_free(chr); |
2277 | 6f97dba0 | aliguori | return NULL; |
2278 | 6f97dba0 | aliguori | } |
2279 | 6f97dba0 | aliguori | |
2280 | 999bd67c | Luiz Capitulino | /***********************************************************/
|
2281 | 999bd67c | Luiz Capitulino | /* Memory chardev */
|
2282 | 999bd67c | Luiz Capitulino | typedef struct { |
2283 | 999bd67c | Luiz Capitulino | size_t outbuf_size; |
2284 | 999bd67c | Luiz Capitulino | size_t outbuf_capacity; |
2285 | 999bd67c | Luiz Capitulino | uint8_t *outbuf; |
2286 | 999bd67c | Luiz Capitulino | } MemoryDriver; |
2287 | 999bd67c | Luiz Capitulino | |
2288 | 999bd67c | Luiz Capitulino | static int mem_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
2289 | 999bd67c | Luiz Capitulino | { |
2290 | 999bd67c | Luiz Capitulino | MemoryDriver *d = chr->opaque; |
2291 | 999bd67c | Luiz Capitulino | |
2292 | 999bd67c | Luiz Capitulino | /* TODO: the QString implementation has the same code, we should
|
2293 | 999bd67c | Luiz Capitulino | * introduce a generic way to do this in cutils.c */
|
2294 | 999bd67c | Luiz Capitulino | if (d->outbuf_capacity < d->outbuf_size + len) {
|
2295 | 999bd67c | Luiz Capitulino | /* grow outbuf */
|
2296 | 999bd67c | Luiz Capitulino | d->outbuf_capacity += len; |
2297 | 999bd67c | Luiz Capitulino | d->outbuf_capacity *= 2;
|
2298 | 999bd67c | Luiz Capitulino | d->outbuf = qemu_realloc(d->outbuf, d->outbuf_capacity); |
2299 | 999bd67c | Luiz Capitulino | } |
2300 | 999bd67c | Luiz Capitulino | |
2301 | 999bd67c | Luiz Capitulino | memcpy(d->outbuf + d->outbuf_size, buf, len); |
2302 | 999bd67c | Luiz Capitulino | d->outbuf_size += len; |
2303 | 999bd67c | Luiz Capitulino | |
2304 | 999bd67c | Luiz Capitulino | return len;
|
2305 | 999bd67c | Luiz Capitulino | } |
2306 | 999bd67c | Luiz Capitulino | |
2307 | 999bd67c | Luiz Capitulino | void qemu_chr_init_mem(CharDriverState *chr)
|
2308 | 999bd67c | Luiz Capitulino | { |
2309 | 999bd67c | Luiz Capitulino | MemoryDriver *d; |
2310 | 999bd67c | Luiz Capitulino | |
2311 | 999bd67c | Luiz Capitulino | d = qemu_malloc(sizeof(*d));
|
2312 | 999bd67c | Luiz Capitulino | d->outbuf_size = 0;
|
2313 | 999bd67c | Luiz Capitulino | d->outbuf_capacity = 4096;
|
2314 | 999bd67c | Luiz Capitulino | d->outbuf = qemu_mallocz(d->outbuf_capacity); |
2315 | 999bd67c | Luiz Capitulino | |
2316 | 999bd67c | Luiz Capitulino | memset(chr, 0, sizeof(*chr)); |
2317 | 999bd67c | Luiz Capitulino | chr->opaque = d; |
2318 | 999bd67c | Luiz Capitulino | chr->chr_write = mem_chr_write; |
2319 | 999bd67c | Luiz Capitulino | } |
2320 | 999bd67c | Luiz Capitulino | |
2321 | 999bd67c | Luiz Capitulino | QString *qemu_chr_mem_to_qs(CharDriverState *chr) |
2322 | 999bd67c | Luiz Capitulino | { |
2323 | 999bd67c | Luiz Capitulino | MemoryDriver *d = chr->opaque; |
2324 | 999bd67c | Luiz Capitulino | return qstring_from_substr((char *) d->outbuf, 0, d->outbuf_size - 1); |
2325 | 999bd67c | Luiz Capitulino | } |
2326 | 999bd67c | Luiz Capitulino | |
2327 | 999bd67c | Luiz Capitulino | /* NOTE: this driver can not be closed with qemu_chr_close()! */
|
2328 | 999bd67c | Luiz Capitulino | void qemu_chr_close_mem(CharDriverState *chr)
|
2329 | 999bd67c | Luiz Capitulino | { |
2330 | 999bd67c | Luiz Capitulino | MemoryDriver *d = chr->opaque; |
2331 | 999bd67c | Luiz Capitulino | |
2332 | 999bd67c | Luiz Capitulino | qemu_free(d->outbuf); |
2333 | 999bd67c | Luiz Capitulino | qemu_free(chr->opaque); |
2334 | 999bd67c | Luiz Capitulino | chr->opaque = NULL;
|
2335 | 999bd67c | Luiz Capitulino | chr->chr_write = NULL;
|
2336 | 999bd67c | Luiz Capitulino | } |
2337 | 999bd67c | Luiz Capitulino | |
2338 | 999bd67c | Luiz Capitulino | size_t qemu_chr_mem_osize(const CharDriverState *chr)
|
2339 | 999bd67c | Luiz Capitulino | { |
2340 | 999bd67c | Luiz Capitulino | const MemoryDriver *d = chr->opaque;
|
2341 | 999bd67c | Luiz Capitulino | return d->outbuf_size;
|
2342 | 999bd67c | Luiz Capitulino | } |
2343 | 999bd67c | Luiz Capitulino | |
2344 | 33521634 | Gerd Hoffmann | QemuOpts *qemu_chr_parse_compat(const char *label, const char *filename) |
2345 | 191bc01b | Gerd Hoffmann | { |
2346 | 6ea314d9 | Gerd Hoffmann | char host[65], port[33], width[8], height[8]; |
2347 | aeb2c47a | Gerd Hoffmann | int pos;
|
2348 | 7d31544f | Gerd Hoffmann | const char *p; |
2349 | 191bc01b | Gerd Hoffmann | QemuOpts *opts; |
2350 | 191bc01b | Gerd Hoffmann | |
2351 | 3329f07b | Gerd Hoffmann | opts = qemu_opts_create(qemu_find_opts("chardev"), label, 1); |
2352 | 191bc01b | Gerd Hoffmann | if (NULL == opts) |
2353 | 191bc01b | Gerd Hoffmann | return NULL; |
2354 | 191bc01b | Gerd Hoffmann | |
2355 | 7591c5c1 | Gerd Hoffmann | if (strstart(filename, "mon:", &p)) { |
2356 | 7591c5c1 | Gerd Hoffmann | filename = p; |
2357 | 7591c5c1 | Gerd Hoffmann | qemu_opt_set(opts, "mux", "on"); |
2358 | 7591c5c1 | Gerd Hoffmann | } |
2359 | 7591c5c1 | Gerd Hoffmann | |
2360 | f0457e8d | Gerd Hoffmann | if (strcmp(filename, "null") == 0 || |
2361 | f0457e8d | Gerd Hoffmann | strcmp(filename, "pty") == 0 || |
2362 | f0457e8d | Gerd Hoffmann | strcmp(filename, "msmouse") == 0 || |
2363 | dc1c21e6 | Gerd Hoffmann | strcmp(filename, "braille") == 0 || |
2364 | f0457e8d | Gerd Hoffmann | strcmp(filename, "stdio") == 0) { |
2365 | 4490dadf | Gerd Hoffmann | qemu_opt_set(opts, "backend", filename);
|
2366 | 191bc01b | Gerd Hoffmann | return opts;
|
2367 | 191bc01b | Gerd Hoffmann | } |
2368 | 6ea314d9 | Gerd Hoffmann | if (strstart(filename, "vc", &p)) { |
2369 | 6ea314d9 | Gerd Hoffmann | qemu_opt_set(opts, "backend", "vc"); |
2370 | 6ea314d9 | Gerd Hoffmann | if (*p == ':') { |
2371 | 6ea314d9 | Gerd Hoffmann | if (sscanf(p+1, "%8[0-9]x%8[0-9]", width, height) == 2) { |
2372 | 6ea314d9 | Gerd Hoffmann | /* pixels */
|
2373 | 6ea314d9 | Gerd Hoffmann | qemu_opt_set(opts, "width", width);
|
2374 | 6ea314d9 | Gerd Hoffmann | qemu_opt_set(opts, "height", height);
|
2375 | 6ea314d9 | Gerd Hoffmann | } else if (sscanf(p+1, "%8[0-9]Cx%8[0-9]C", width, height) == 2) { |
2376 | 6ea314d9 | Gerd Hoffmann | /* chars */
|
2377 | 6ea314d9 | Gerd Hoffmann | qemu_opt_set(opts, "cols", width);
|
2378 | 6ea314d9 | Gerd Hoffmann | qemu_opt_set(opts, "rows", height);
|
2379 | 6ea314d9 | Gerd Hoffmann | } else {
|
2380 | 6ea314d9 | Gerd Hoffmann | goto fail;
|
2381 | 6ea314d9 | Gerd Hoffmann | } |
2382 | 6ea314d9 | Gerd Hoffmann | } |
2383 | 6ea314d9 | Gerd Hoffmann | return opts;
|
2384 | 6ea314d9 | Gerd Hoffmann | } |
2385 | d6c983cd | Gerd Hoffmann | if (strcmp(filename, "con:") == 0) { |
2386 | d6c983cd | Gerd Hoffmann | qemu_opt_set(opts, "backend", "console"); |
2387 | d6c983cd | Gerd Hoffmann | return opts;
|
2388 | d6c983cd | Gerd Hoffmann | } |
2389 | 48b76496 | Gerd Hoffmann | if (strstart(filename, "COM", NULL)) { |
2390 | 48b76496 | Gerd Hoffmann | qemu_opt_set(opts, "backend", "serial"); |
2391 | 48b76496 | Gerd Hoffmann | qemu_opt_set(opts, "path", filename);
|
2392 | 48b76496 | Gerd Hoffmann | return opts;
|
2393 | 48b76496 | Gerd Hoffmann | } |
2394 | 7d31544f | Gerd Hoffmann | if (strstart(filename, "file:", &p)) { |
2395 | 7d31544f | Gerd Hoffmann | qemu_opt_set(opts, "backend", "file"); |
2396 | 7d31544f | Gerd Hoffmann | qemu_opt_set(opts, "path", p);
|
2397 | 7d31544f | Gerd Hoffmann | return opts;
|
2398 | 7d31544f | Gerd Hoffmann | } |
2399 | 7d31544f | Gerd Hoffmann | if (strstart(filename, "pipe:", &p)) { |
2400 | 7d31544f | Gerd Hoffmann | qemu_opt_set(opts, "backend", "pipe"); |
2401 | 7d31544f | Gerd Hoffmann | qemu_opt_set(opts, "path", p);
|
2402 | 7d31544f | Gerd Hoffmann | return opts;
|
2403 | 7d31544f | Gerd Hoffmann | } |
2404 | aeb2c47a | Gerd Hoffmann | if (strstart(filename, "tcp:", &p) || |
2405 | aeb2c47a | Gerd Hoffmann | strstart(filename, "telnet:", &p)) {
|
2406 | aeb2c47a | Gerd Hoffmann | if (sscanf(p, "%64[^:]:%32[^,]%n", host, port, &pos) < 2) { |
2407 | aeb2c47a | Gerd Hoffmann | host[0] = 0; |
2408 | aeb2c47a | Gerd Hoffmann | if (sscanf(p, ":%32[^,]%n", port, &pos) < 1) |
2409 | aeb2c47a | Gerd Hoffmann | goto fail;
|
2410 | aeb2c47a | Gerd Hoffmann | } |
2411 | aeb2c47a | Gerd Hoffmann | qemu_opt_set(opts, "backend", "socket"); |
2412 | aeb2c47a | Gerd Hoffmann | qemu_opt_set(opts, "host", host);
|
2413 | aeb2c47a | Gerd Hoffmann | qemu_opt_set(opts, "port", port);
|
2414 | aeb2c47a | Gerd Hoffmann | if (p[pos] == ',') { |
2415 | aeb2c47a | Gerd Hoffmann | if (qemu_opts_do_parse(opts, p+pos+1, NULL) != 0) |
2416 | aeb2c47a | Gerd Hoffmann | goto fail;
|
2417 | aeb2c47a | Gerd Hoffmann | } |
2418 | aeb2c47a | Gerd Hoffmann | if (strstart(filename, "telnet:", &p)) |
2419 | aeb2c47a | Gerd Hoffmann | qemu_opt_set(opts, "telnet", "on"); |
2420 | aeb2c47a | Gerd Hoffmann | return opts;
|
2421 | aeb2c47a | Gerd Hoffmann | } |
2422 | 7e1b35b4 | Gerd Hoffmann | if (strstart(filename, "udp:", &p)) { |
2423 | 7e1b35b4 | Gerd Hoffmann | qemu_opt_set(opts, "backend", "udp"); |
2424 | 7e1b35b4 | Gerd Hoffmann | if (sscanf(p, "%64[^:]:%32[^@,]%n", host, port, &pos) < 2) { |
2425 | 7e1b35b4 | Gerd Hoffmann | host[0] = 0; |
2426 | 39324ca4 | Jan Kiszka | if (sscanf(p, ":%32[^@,]%n", port, &pos) < 1) { |
2427 | 7e1b35b4 | Gerd Hoffmann | goto fail;
|
2428 | 7e1b35b4 | Gerd Hoffmann | } |
2429 | 7e1b35b4 | Gerd Hoffmann | } |
2430 | 7e1b35b4 | Gerd Hoffmann | qemu_opt_set(opts, "host", host);
|
2431 | 7e1b35b4 | Gerd Hoffmann | qemu_opt_set(opts, "port", port);
|
2432 | 7e1b35b4 | Gerd Hoffmann | if (p[pos] == '@') { |
2433 | 7e1b35b4 | Gerd Hoffmann | p += pos + 1;
|
2434 | 7e1b35b4 | Gerd Hoffmann | if (sscanf(p, "%64[^:]:%32[^,]%n", host, port, &pos) < 2) { |
2435 | 7e1b35b4 | Gerd Hoffmann | host[0] = 0; |
2436 | 7e1b35b4 | Gerd Hoffmann | if (sscanf(p, ":%32[^,]%n", port, &pos) < 1) { |
2437 | 7e1b35b4 | Gerd Hoffmann | goto fail;
|
2438 | 7e1b35b4 | Gerd Hoffmann | } |
2439 | 7e1b35b4 | Gerd Hoffmann | } |
2440 | 7e1b35b4 | Gerd Hoffmann | qemu_opt_set(opts, "localaddr", host);
|
2441 | 7e1b35b4 | Gerd Hoffmann | qemu_opt_set(opts, "localport", port);
|
2442 | 7e1b35b4 | Gerd Hoffmann | } |
2443 | 7e1b35b4 | Gerd Hoffmann | return opts;
|
2444 | 7e1b35b4 | Gerd Hoffmann | } |
2445 | aeb2c47a | Gerd Hoffmann | if (strstart(filename, "unix:", &p)) { |
2446 | aeb2c47a | Gerd Hoffmann | qemu_opt_set(opts, "backend", "socket"); |
2447 | aeb2c47a | Gerd Hoffmann | if (qemu_opts_do_parse(opts, p, "path") != 0) |
2448 | aeb2c47a | Gerd Hoffmann | goto fail;
|
2449 | aeb2c47a | Gerd Hoffmann | return opts;
|
2450 | aeb2c47a | Gerd Hoffmann | } |
2451 | 48b76496 | Gerd Hoffmann | if (strstart(filename, "/dev/parport", NULL) || |
2452 | 48b76496 | Gerd Hoffmann | strstart(filename, "/dev/ppi", NULL)) { |
2453 | 48b76496 | Gerd Hoffmann | qemu_opt_set(opts, "backend", "parport"); |
2454 | 48b76496 | Gerd Hoffmann | qemu_opt_set(opts, "path", filename);
|
2455 | 48b76496 | Gerd Hoffmann | return opts;
|
2456 | 48b76496 | Gerd Hoffmann | } |
2457 | 48b76496 | Gerd Hoffmann | if (strstart(filename, "/dev/", NULL)) { |
2458 | 48b76496 | Gerd Hoffmann | qemu_opt_set(opts, "backend", "tty"); |
2459 | 48b76496 | Gerd Hoffmann | qemu_opt_set(opts, "path", filename);
|
2460 | 48b76496 | Gerd Hoffmann | return opts;
|
2461 | 48b76496 | Gerd Hoffmann | } |
2462 | 191bc01b | Gerd Hoffmann | |
2463 | aeb2c47a | Gerd Hoffmann | fail:
|
2464 | 191bc01b | Gerd Hoffmann | qemu_opts_del(opts); |
2465 | 191bc01b | Gerd Hoffmann | return NULL; |
2466 | 191bc01b | Gerd Hoffmann | } |
2467 | 191bc01b | Gerd Hoffmann | |
2468 | 191bc01b | Gerd Hoffmann | static const struct { |
2469 | 191bc01b | Gerd Hoffmann | const char *name; |
2470 | 191bc01b | Gerd Hoffmann | CharDriverState *(*open)(QemuOpts *opts); |
2471 | 191bc01b | Gerd Hoffmann | } backend_table[] = { |
2472 | 191bc01b | Gerd Hoffmann | { .name = "null", .open = qemu_chr_open_null },
|
2473 | aeb2c47a | Gerd Hoffmann | { .name = "socket", .open = qemu_chr_open_socket },
|
2474 | 7e1b35b4 | Gerd Hoffmann | { .name = "udp", .open = qemu_chr_open_udp },
|
2475 | f0457e8d | Gerd Hoffmann | { .name = "msmouse", .open = qemu_chr_open_msmouse },
|
2476 | 6ea314d9 | Gerd Hoffmann | { .name = "vc", .open = text_console_init },
|
2477 | 7d31544f | Gerd Hoffmann | #ifdef _WIN32
|
2478 | 7d31544f | Gerd Hoffmann | { .name = "file", .open = qemu_chr_open_win_file_out },
|
2479 | 7d31544f | Gerd Hoffmann | { .name = "pipe", .open = qemu_chr_open_win_pipe },
|
2480 | d6c983cd | Gerd Hoffmann | { .name = "console", .open = qemu_chr_open_win_con },
|
2481 | 48b76496 | Gerd Hoffmann | { .name = "serial", .open = qemu_chr_open_win },
|
2482 | 7d31544f | Gerd Hoffmann | #else
|
2483 | 7d31544f | Gerd Hoffmann | { .name = "file", .open = qemu_chr_open_file_out },
|
2484 | 7d31544f | Gerd Hoffmann | { .name = "pipe", .open = qemu_chr_open_pipe },
|
2485 | 4490dadf | Gerd Hoffmann | { .name = "pty", .open = qemu_chr_open_pty },
|
2486 | 3c17affb | Gerd Hoffmann | { .name = "stdio", .open = qemu_chr_open_stdio },
|
2487 | 7d31544f | Gerd Hoffmann | #endif
|
2488 | dc1c21e6 | Gerd Hoffmann | #ifdef CONFIG_BRLAPI
|
2489 | dc1c21e6 | Gerd Hoffmann | { .name = "braille", .open = chr_baum_init },
|
2490 | dc1c21e6 | Gerd Hoffmann | #endif
|
2491 | 48b76496 | Gerd Hoffmann | #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
|
2492 | a167ba50 | Aurelien Jarno | || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) \ |
2493 | a167ba50 | Aurelien Jarno | || defined(__FreeBSD_kernel__) |
2494 | 48b76496 | Gerd Hoffmann | { .name = "tty", .open = qemu_chr_open_tty },
|
2495 | 48b76496 | Gerd Hoffmann | #endif
|
2496 | a167ba50 | Aurelien Jarno | #if defined(__linux__) || defined(__FreeBSD__) || defined(__DragonFly__) \
|
2497 | a167ba50 | Aurelien Jarno | || defined(__FreeBSD_kernel__) |
2498 | 48b76496 | Gerd Hoffmann | { .name = "parport", .open = qemu_chr_open_pp },
|
2499 | 48b76496 | Gerd Hoffmann | #endif
|
2500 | cbcc6336 | Alon Levy | #ifdef CONFIG_SPICE
|
2501 | cbcc6336 | Alon Levy | { .name = "spicevmc", .open = qemu_chr_open_spice },
|
2502 | cbcc6336 | Alon Levy | #endif
|
2503 | 191bc01b | Gerd Hoffmann | }; |
2504 | 191bc01b | Gerd Hoffmann | |
2505 | 191bc01b | Gerd Hoffmann | CharDriverState *qemu_chr_open_opts(QemuOpts *opts, |
2506 | 191bc01b | Gerd Hoffmann | void (*init)(struct CharDriverState *s)) |
2507 | 191bc01b | Gerd Hoffmann | { |
2508 | 191bc01b | Gerd Hoffmann | CharDriverState *chr; |
2509 | 191bc01b | Gerd Hoffmann | int i;
|
2510 | 191bc01b | Gerd Hoffmann | |
2511 | 191bc01b | Gerd Hoffmann | if (qemu_opts_id(opts) == NULL) { |
2512 | 191bc01b | Gerd Hoffmann | fprintf(stderr, "chardev: no id specified\n");
|
2513 | 191bc01b | Gerd Hoffmann | return NULL; |
2514 | 191bc01b | Gerd Hoffmann | } |
2515 | 191bc01b | Gerd Hoffmann | |
2516 | 1bbd185f | Stefan Hajnoczi | if (qemu_opt_get(opts, "backend") == NULL) { |
2517 | 1bbd185f | Stefan Hajnoczi | fprintf(stderr, "chardev: \"%s\" missing backend\n",
|
2518 | 1bbd185f | Stefan Hajnoczi | qemu_opts_id(opts)); |
2519 | 1bbd185f | Stefan Hajnoczi | return NULL; |
2520 | 1bbd185f | Stefan Hajnoczi | } |
2521 | 191bc01b | Gerd Hoffmann | for (i = 0; i < ARRAY_SIZE(backend_table); i++) { |
2522 | 191bc01b | Gerd Hoffmann | if (strcmp(backend_table[i].name, qemu_opt_get(opts, "backend")) == 0) |
2523 | 191bc01b | Gerd Hoffmann | break;
|
2524 | 191bc01b | Gerd Hoffmann | } |
2525 | 191bc01b | Gerd Hoffmann | if (i == ARRAY_SIZE(backend_table)) {
|
2526 | 191bc01b | Gerd Hoffmann | fprintf(stderr, "chardev: backend \"%s\" not found\n",
|
2527 | 191bc01b | Gerd Hoffmann | qemu_opt_get(opts, "backend"));
|
2528 | 191bc01b | Gerd Hoffmann | return NULL; |
2529 | 191bc01b | Gerd Hoffmann | } |
2530 | 191bc01b | Gerd Hoffmann | |
2531 | 191bc01b | Gerd Hoffmann | chr = backend_table[i].open(opts); |
2532 | 191bc01b | Gerd Hoffmann | if (!chr) {
|
2533 | 191bc01b | Gerd Hoffmann | fprintf(stderr, "chardev: opening backend \"%s\" failed\n",
|
2534 | 191bc01b | Gerd Hoffmann | qemu_opt_get(opts, "backend"));
|
2535 | 191bc01b | Gerd Hoffmann | return NULL; |
2536 | 191bc01b | Gerd Hoffmann | } |
2537 | 191bc01b | Gerd Hoffmann | |
2538 | 191bc01b | Gerd Hoffmann | if (!chr->filename)
|
2539 | 191bc01b | Gerd Hoffmann | chr->filename = qemu_strdup(qemu_opt_get(opts, "backend"));
|
2540 | 191bc01b | Gerd Hoffmann | chr->init = init; |
2541 | 72cf2d4f | Blue Swirl | QTAILQ_INSERT_TAIL(&chardevs, chr, next); |
2542 | 7591c5c1 | Gerd Hoffmann | |
2543 | 7591c5c1 | Gerd Hoffmann | if (qemu_opt_get_bool(opts, "mux", 0)) { |
2544 | 7591c5c1 | Gerd Hoffmann | CharDriverState *base = chr; |
2545 | 7591c5c1 | Gerd Hoffmann | int len = strlen(qemu_opts_id(opts)) + 6; |
2546 | 7591c5c1 | Gerd Hoffmann | base->label = qemu_malloc(len); |
2547 | 7591c5c1 | Gerd Hoffmann | snprintf(base->label, len, "%s-base", qemu_opts_id(opts));
|
2548 | 7591c5c1 | Gerd Hoffmann | chr = qemu_chr_open_mux(base); |
2549 | 7591c5c1 | Gerd Hoffmann | chr->filename = base->filename; |
2550 | d5b27167 | Kusanagi Kouichi | chr->avail_connections = MAX_MUX; |
2551 | 72cf2d4f | Blue Swirl | QTAILQ_INSERT_TAIL(&chardevs, chr, next); |
2552 | d5b27167 | Kusanagi Kouichi | } else {
|
2553 | d5b27167 | Kusanagi Kouichi | chr->avail_connections = 1;
|
2554 | 7591c5c1 | Gerd Hoffmann | } |
2555 | 7591c5c1 | Gerd Hoffmann | chr->label = qemu_strdup(qemu_opts_id(opts)); |
2556 | 191bc01b | Gerd Hoffmann | return chr;
|
2557 | 191bc01b | Gerd Hoffmann | } |
2558 | 191bc01b | Gerd Hoffmann | |
2559 | ceecf1d1 | aurel32 | CharDriverState *qemu_chr_open(const char *label, const char *filename, void (*init)(struct CharDriverState *s)) |
2560 | 6f97dba0 | aliguori | { |
2561 | 6f97dba0 | aliguori | const char *p; |
2562 | 6f97dba0 | aliguori | CharDriverState *chr; |
2563 | 191bc01b | Gerd Hoffmann | QemuOpts *opts; |
2564 | 191bc01b | Gerd Hoffmann | |
2565 | c845f401 | Gerd Hoffmann | if (strstart(filename, "chardev:", &p)) { |
2566 | c845f401 | Gerd Hoffmann | return qemu_chr_find(p);
|
2567 | c845f401 | Gerd Hoffmann | } |
2568 | c845f401 | Gerd Hoffmann | |
2569 | 191bc01b | Gerd Hoffmann | opts = qemu_chr_parse_compat(label, filename); |
2570 | 7e1b35b4 | Gerd Hoffmann | if (!opts)
|
2571 | 7e1b35b4 | Gerd Hoffmann | return NULL; |
2572 | 6f97dba0 | aliguori | |
2573 | 7e1b35b4 | Gerd Hoffmann | chr = qemu_chr_open_opts(opts, init); |
2574 | 7e1b35b4 | Gerd Hoffmann | if (chr && qemu_opt_get_bool(opts, "mux", 0)) { |
2575 | 7e1b35b4 | Gerd Hoffmann | monitor_init(chr, MONITOR_USE_READLINE); |
2576 | 6f97dba0 | aliguori | } |
2577 | 363f8cb9 | Paolo Bonzini | qemu_opts_del(opts); |
2578 | 6f97dba0 | aliguori | return chr;
|
2579 | 6f97dba0 | aliguori | } |
2580 | 6f97dba0 | aliguori | |
2581 | c48855e1 | Paolo Bonzini | void qemu_chr_set_echo(struct CharDriverState *chr, bool echo) |
2582 | c48855e1 | Paolo Bonzini | { |
2583 | c48855e1 | Paolo Bonzini | if (chr->chr_set_echo) {
|
2584 | c48855e1 | Paolo Bonzini | chr->chr_set_echo(chr, echo); |
2585 | c48855e1 | Paolo Bonzini | } |
2586 | c48855e1 | Paolo Bonzini | } |
2587 | c48855e1 | Paolo Bonzini | |
2588 | 7c32c4fe | Hans de Goede | void qemu_chr_guest_open(struct CharDriverState *chr) |
2589 | 7c32c4fe | Hans de Goede | { |
2590 | 7c32c4fe | Hans de Goede | if (chr->chr_guest_open) {
|
2591 | 7c32c4fe | Hans de Goede | chr->chr_guest_open(chr); |
2592 | 7c32c4fe | Hans de Goede | } |
2593 | 7c32c4fe | Hans de Goede | } |
2594 | 7c32c4fe | Hans de Goede | |
2595 | 7c32c4fe | Hans de Goede | void qemu_chr_guest_close(struct CharDriverState *chr) |
2596 | 7c32c4fe | Hans de Goede | { |
2597 | 7c32c4fe | Hans de Goede | if (chr->chr_guest_close) {
|
2598 | 7c32c4fe | Hans de Goede | chr->chr_guest_close(chr); |
2599 | 7c32c4fe | Hans de Goede | } |
2600 | 7c32c4fe | Hans de Goede | } |
2601 | 7c32c4fe | Hans de Goede | |
2602 | 6f97dba0 | aliguori | void qemu_chr_close(CharDriverState *chr)
|
2603 | 6f97dba0 | aliguori | { |
2604 | 72cf2d4f | Blue Swirl | QTAILQ_REMOVE(&chardevs, chr, next); |
2605 | 6f97dba0 | aliguori | if (chr->chr_close)
|
2606 | 6f97dba0 | aliguori | chr->chr_close(chr); |
2607 | 6f97dba0 | aliguori | qemu_free(chr->filename); |
2608 | 6f97dba0 | aliguori | qemu_free(chr->label); |
2609 | 6f97dba0 | aliguori | qemu_free(chr); |
2610 | 6f97dba0 | aliguori | } |
2611 | 6f97dba0 | aliguori | |
2612 | 588b3832 | Luiz Capitulino | static void qemu_chr_qlist_iter(QObject *obj, void *opaque) |
2613 | 6f97dba0 | aliguori | { |
2614 | 588b3832 | Luiz Capitulino | QDict *chr_dict; |
2615 | 588b3832 | Luiz Capitulino | Monitor *mon = opaque; |
2616 | 588b3832 | Luiz Capitulino | |
2617 | 588b3832 | Luiz Capitulino | chr_dict = qobject_to_qdict(obj); |
2618 | 588b3832 | Luiz Capitulino | monitor_printf(mon, "%s: filename=%s\n", qdict_get_str(chr_dict, "label"), |
2619 | 588b3832 | Luiz Capitulino | qdict_get_str(chr_dict, "filename"));
|
2620 | 588b3832 | Luiz Capitulino | } |
2621 | 588b3832 | Luiz Capitulino | |
2622 | 588b3832 | Luiz Capitulino | void qemu_chr_info_print(Monitor *mon, const QObject *ret_data) |
2623 | 588b3832 | Luiz Capitulino | { |
2624 | 588b3832 | Luiz Capitulino | qlist_iter(qobject_to_qlist(ret_data), qemu_chr_qlist_iter, mon); |
2625 | 588b3832 | Luiz Capitulino | } |
2626 | 588b3832 | Luiz Capitulino | |
2627 | 588b3832 | Luiz Capitulino | void qemu_chr_info(Monitor *mon, QObject **ret_data)
|
2628 | 588b3832 | Luiz Capitulino | { |
2629 | 588b3832 | Luiz Capitulino | QList *chr_list; |
2630 | 6f97dba0 | aliguori | CharDriverState *chr; |
2631 | 6f97dba0 | aliguori | |
2632 | 588b3832 | Luiz Capitulino | chr_list = qlist_new(); |
2633 | 588b3832 | Luiz Capitulino | |
2634 | 72cf2d4f | Blue Swirl | QTAILQ_FOREACH(chr, &chardevs, next) { |
2635 | 588b3832 | Luiz Capitulino | QObject *obj = qobject_from_jsonf("{ 'label': %s, 'filename': %s }",
|
2636 | 588b3832 | Luiz Capitulino | chr->label, chr->filename); |
2637 | 588b3832 | Luiz Capitulino | qlist_append_obj(chr_list, obj); |
2638 | 6f97dba0 | aliguori | } |
2639 | 588b3832 | Luiz Capitulino | |
2640 | 588b3832 | Luiz Capitulino | *ret_data = QOBJECT(chr_list); |
2641 | 6f97dba0 | aliguori | } |
2642 | c845f401 | Gerd Hoffmann | |
2643 | c845f401 | Gerd Hoffmann | CharDriverState *qemu_chr_find(const char *name) |
2644 | c845f401 | Gerd Hoffmann | { |
2645 | c845f401 | Gerd Hoffmann | CharDriverState *chr; |
2646 | c845f401 | Gerd Hoffmann | |
2647 | 72cf2d4f | Blue Swirl | QTAILQ_FOREACH(chr, &chardevs, next) { |
2648 | c845f401 | Gerd Hoffmann | if (strcmp(chr->label, name) != 0) |
2649 | c845f401 | Gerd Hoffmann | continue;
|
2650 | c845f401 | Gerd Hoffmann | return chr;
|
2651 | c845f401 | Gerd Hoffmann | } |
2652 | c845f401 | Gerd Hoffmann | return NULL; |
2653 | c845f401 | Gerd Hoffmann | } |