block: Convert bdrv_info_stats() to QObject
[qemu.git] / monitor.c
blob349ba971c92e06933315dc471136c0c80ef25b97
1 /*
2 * QEMU monitor
4 * Copyright (c) 2003-2004 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
24 #include <dirent.h>
25 #include "hw/hw.h"
26 #include "hw/qdev.h"
27 #include "hw/usb.h"
28 #include "hw/pcmcia.h"
29 #include "hw/pc.h"
30 #include "hw/pci.h"
31 #include "hw/watchdog.h"
32 #include "hw/loader.h"
33 #include "gdbstub.h"
34 #include "net.h"
35 #include "net/slirp.h"
36 #include "qemu-char.h"
37 #include "sysemu.h"
38 #include "monitor.h"
39 #include "readline.h"
40 #include "console.h"
41 #include "block.h"
42 #include "audio/audio.h"
43 #include "disas.h"
44 #include "balloon.h"
45 #include "qemu-timer.h"
46 #include "migration.h"
47 #include "kvm.h"
48 #include "acl.h"
49 #include "qint.h"
50 #include "qlist.h"
51 #include "qdict.h"
52 #include "qbool.h"
53 #include "qstring.h"
54 #include "qerror.h"
55 #include "qjson.h"
56 #include "json-streamer.h"
57 #include "json-parser.h"
58 #include "osdep.h"
60 //#define DEBUG
61 //#define DEBUG_COMPLETION
64 * Supported types:
66 * 'F' filename
67 * 'B' block device name
68 * 's' string (accept optional quote)
69 * 'i' 32 bit integer
70 * 'l' target long (32 or 64 bit)
71 * '/' optional gdb-like print format (like "/10x")
73 * '?' optional type (for all types, except '/')
74 * '.' other form of optional type (for 'i' and 'l')
75 * '-' optional parameter (eg. '-f')
79 typedef struct mon_cmd_t {
80 const char *name;
81 const char *args_type;
82 const char *params;
83 const char *help;
84 void (*user_print)(Monitor *mon, const QObject *data);
85 union {
86 void (*info)(Monitor *mon);
87 void (*info_new)(Monitor *mon, QObject **ret_data);
88 void (*cmd)(Monitor *mon, const QDict *qdict);
89 void (*cmd_new)(Monitor *mon, const QDict *params, QObject **ret_data);
90 } mhandler;
91 } mon_cmd_t;
93 /* file descriptors passed via SCM_RIGHTS */
94 typedef struct mon_fd_t mon_fd_t;
95 struct mon_fd_t {
96 char *name;
97 int fd;
98 QLIST_ENTRY(mon_fd_t) next;
101 typedef struct MonitorControl {
102 QObject *id;
103 int print_enabled;
104 JSONMessageParser parser;
105 } MonitorControl;
107 struct Monitor {
108 CharDriverState *chr;
109 int mux_out;
110 int reset_seen;
111 int flags;
112 int suspend_cnt;
113 uint8_t outbuf[1024];
114 int outbuf_index;
115 ReadLineState *rs;
116 MonitorControl *mc;
117 CPUState *mon_cpu;
118 BlockDriverCompletionFunc *password_completion_cb;
119 void *password_opaque;
120 QError *error;
121 QLIST_HEAD(,mon_fd_t) fds;
122 QLIST_ENTRY(Monitor) entry;
125 static QLIST_HEAD(mon_list, Monitor) mon_list;
127 static const mon_cmd_t mon_cmds[];
128 static const mon_cmd_t info_cmds[];
130 Monitor *cur_mon = NULL;
132 static void monitor_command_cb(Monitor *mon, const char *cmdline,
133 void *opaque);
135 /* Return true if in control mode, false otherwise */
136 static inline int monitor_ctrl_mode(const Monitor *mon)
138 return (mon->flags & MONITOR_USE_CONTROL);
141 static void monitor_read_command(Monitor *mon, int show_prompt)
143 readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
144 if (show_prompt)
145 readline_show_prompt(mon->rs);
148 static int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
149 void *opaque)
151 if (monitor_ctrl_mode(mon)) {
152 qemu_error_new(QERR_MISSING_PARAMETER, "password");
153 return -EINVAL;
154 } else if (mon->rs) {
155 readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
156 /* prompt is printed on return from the command handler */
157 return 0;
158 } else {
159 monitor_printf(mon, "terminal does not support password prompting\n");
160 return -ENOTTY;
164 void monitor_flush(Monitor *mon)
166 if (mon && mon->outbuf_index != 0 && !mon->mux_out) {
167 qemu_chr_write(mon->chr, mon->outbuf, mon->outbuf_index);
168 mon->outbuf_index = 0;
172 /* flush at every end of line or if the buffer is full */
173 static void monitor_puts(Monitor *mon, const char *str)
175 char c;
177 if (!mon)
178 return;
180 for(;;) {
181 c = *str++;
182 if (c == '\0')
183 break;
184 if (c == '\n')
185 mon->outbuf[mon->outbuf_index++] = '\r';
186 mon->outbuf[mon->outbuf_index++] = c;
187 if (mon->outbuf_index >= (sizeof(mon->outbuf) - 1)
188 || c == '\n')
189 monitor_flush(mon);
193 void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
195 if (mon->mc && !mon->mc->print_enabled) {
196 qemu_error_new(QERR_UNDEFINED_ERROR);
197 } else {
198 char buf[4096];
199 vsnprintf(buf, sizeof(buf), fmt, ap);
200 monitor_puts(mon, buf);
204 void monitor_printf(Monitor *mon, const char *fmt, ...)
206 va_list ap;
207 va_start(ap, fmt);
208 monitor_vprintf(mon, fmt, ap);
209 va_end(ap);
212 void monitor_print_filename(Monitor *mon, const char *filename)
214 int i;
216 for (i = 0; filename[i]; i++) {
217 switch (filename[i]) {
218 case ' ':
219 case '"':
220 case '\\':
221 monitor_printf(mon, "\\%c", filename[i]);
222 break;
223 case '\t':
224 monitor_printf(mon, "\\t");
225 break;
226 case '\r':
227 monitor_printf(mon, "\\r");
228 break;
229 case '\n':
230 monitor_printf(mon, "\\n");
231 break;
232 default:
233 monitor_printf(mon, "%c", filename[i]);
234 break;
239 static int monitor_fprintf(FILE *stream, const char *fmt, ...)
241 va_list ap;
242 va_start(ap, fmt);
243 monitor_vprintf((Monitor *)stream, fmt, ap);
244 va_end(ap);
245 return 0;
248 static void monitor_user_noop(Monitor *mon, const QObject *data) { }
250 static inline int monitor_handler_ported(const mon_cmd_t *cmd)
252 return cmd->user_print != NULL;
255 static inline int monitor_has_error(const Monitor *mon)
257 return mon->error != NULL;
260 static void monitor_json_emitter(Monitor *mon, const QObject *data)
262 QString *json;
264 json = qobject_to_json(data);
265 assert(json != NULL);
267 mon->mc->print_enabled = 1;
268 monitor_printf(mon, "%s\n", qstring_get_str(json));
269 mon->mc->print_enabled = 0;
271 QDECREF(json);
274 static void monitor_protocol_emitter(Monitor *mon, QObject *data)
276 QDict *qmp;
278 qmp = qdict_new();
280 if (!monitor_has_error(mon)) {
281 /* success response */
282 if (data) {
283 qobject_incref(data);
284 qdict_put_obj(qmp, "return", data);
285 } else {
286 qdict_put(qmp, "return", qstring_from_str("OK"));
288 } else {
289 /* error response */
290 qdict_put(mon->error->error, "desc", qerror_human(mon->error));
291 qdict_put(qmp, "error", mon->error->error);
292 QINCREF(mon->error->error);
293 QDECREF(mon->error);
294 mon->error = NULL;
297 if (mon->mc->id) {
298 qdict_put_obj(qmp, "id", mon->mc->id);
299 mon->mc->id = NULL;
302 monitor_json_emitter(mon, QOBJECT(qmp));
303 QDECREF(qmp);
306 static void timestamp_put(QDict *qdict)
308 int err;
309 QObject *obj;
310 qemu_timeval tv;
312 err = qemu_gettimeofday(&tv);
313 if (err < 0)
314 return;
316 obj = qobject_from_jsonf("{ 'seconds': %" PRId64 ", "
317 "'microseconds': %" PRId64 " }",
318 (int64_t) tv.tv_sec, (int64_t) tv.tv_usec);
319 assert(obj != NULL);
321 qdict_put_obj(qdict, "timestamp", obj);
325 * monitor_protocol_event(): Generate a Monitor event
327 * Event-specific data can be emitted through the (optional) 'data' parameter.
329 void monitor_protocol_event(MonitorEvent event, QObject *data)
331 QDict *qmp;
332 const char *event_name;
333 Monitor *mon = cur_mon;
335 assert(event < QEVENT_MAX);
337 if (!monitor_ctrl_mode(mon))
338 return;
340 switch (event) {
341 case QEVENT_DEBUG:
342 event_name = "DEBUG";
343 break;
344 case QEVENT_SHUTDOWN:
345 event_name = "SHUTDOWN";
346 break;
347 case QEVENT_RESET:
348 event_name = "RESET";
349 break;
350 case QEVENT_POWERDOWN:
351 event_name = "POWERDOWN";
352 break;
353 case QEVENT_STOP:
354 event_name = "STOP";
355 break;
356 default:
357 abort();
358 break;
361 qmp = qdict_new();
362 timestamp_put(qmp);
363 qdict_put(qmp, "event", qstring_from_str(event_name));
364 if (data)
365 qdict_put_obj(qmp, "data", data);
367 monitor_json_emitter(mon, QOBJECT(qmp));
368 QDECREF(qmp);
371 static int compare_cmd(const char *name, const char *list)
373 const char *p, *pstart;
374 int len;
375 len = strlen(name);
376 p = list;
377 for(;;) {
378 pstart = p;
379 p = strchr(p, '|');
380 if (!p)
381 p = pstart + strlen(pstart);
382 if ((p - pstart) == len && !memcmp(pstart, name, len))
383 return 1;
384 if (*p == '\0')
385 break;
386 p++;
388 return 0;
391 static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
392 const char *prefix, const char *name)
394 const mon_cmd_t *cmd;
396 for(cmd = cmds; cmd->name != NULL; cmd++) {
397 if (!name || !strcmp(name, cmd->name))
398 monitor_printf(mon, "%s%s %s -- %s\n", prefix, cmd->name,
399 cmd->params, cmd->help);
403 static void help_cmd(Monitor *mon, const char *name)
405 if (name && !strcmp(name, "info")) {
406 help_cmd_dump(mon, info_cmds, "info ", NULL);
407 } else {
408 help_cmd_dump(mon, mon_cmds, "", name);
409 if (name && !strcmp(name, "log")) {
410 const CPULogItem *item;
411 monitor_printf(mon, "Log items (comma separated):\n");
412 monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
413 for(item = cpu_log_items; item->mask != 0; item++) {
414 monitor_printf(mon, "%-10s %s\n", item->name, item->help);
420 static void do_help_cmd(Monitor *mon, const QDict *qdict)
422 help_cmd(mon, qdict_get_try_str(qdict, "name"));
425 static void do_commit(Monitor *mon, const QDict *qdict)
427 int all_devices;
428 DriveInfo *dinfo;
429 const char *device = qdict_get_str(qdict, "device");
431 all_devices = !strcmp(device, "all");
432 QTAILQ_FOREACH(dinfo, &drives, next) {
433 if (!all_devices)
434 if (strcmp(bdrv_get_device_name(dinfo->bdrv), device))
435 continue;
436 bdrv_commit(dinfo->bdrv);
440 static void do_info(Monitor *mon, const QDict *qdict, QObject **ret_data)
442 const mon_cmd_t *cmd;
443 const char *item = qdict_get_try_str(qdict, "item");
445 if (!item) {
446 assert(monitor_ctrl_mode(mon) == 0);
447 goto help;
450 for (cmd = info_cmds; cmd->name != NULL; cmd++) {
451 if (compare_cmd(item, cmd->name))
452 break;
455 if (cmd->name == NULL) {
456 if (monitor_ctrl_mode(mon)) {
457 qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
458 return;
460 goto help;
463 if (monitor_handler_ported(cmd)) {
464 cmd->mhandler.info_new(mon, ret_data);
466 if (!monitor_ctrl_mode(mon)) {
468 * User Protocol function is called here, Monitor Protocol is
469 * handled by monitor_call_handler()
471 if (*ret_data)
472 cmd->user_print(mon, *ret_data);
474 } else {
475 if (monitor_ctrl_mode(mon)) {
476 /* handler not converted yet */
477 qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
478 } else {
479 cmd->mhandler.info(mon);
483 return;
485 help:
486 help_cmd(mon, "info");
489 static void do_info_version_print(Monitor *mon, const QObject *data)
491 QDict *qdict;
493 qdict = qobject_to_qdict(data);
495 monitor_printf(mon, "%s%s\n", qdict_get_str(qdict, "qemu"),
496 qdict_get_str(qdict, "package"));
500 * do_info_version(): Show QEMU version
502 * Return a QDict with the following information:
504 * - "qemu": QEMU's version
505 * - "package": package's version
507 * Example:
509 * { "qemu": "0.11.50", "package": "" }
511 static void do_info_version(Monitor *mon, QObject **ret_data)
513 *ret_data = qobject_from_jsonf("{ 'qemu': %s, 'package': %s }",
514 QEMU_VERSION, QEMU_PKGVERSION);
517 static void do_info_name_print(Monitor *mon, const QObject *data)
519 QDict *qdict;
521 qdict = qobject_to_qdict(data);
522 if (qdict_size(qdict) == 0) {
523 return;
526 monitor_printf(mon, "%s\n", qdict_get_str(qdict, "name"));
530 * do_info_name(): Show VM name
532 * Return a QDict with the following information:
534 * - "name": VM's name (optional)
536 * Example:
538 * { "name": "qemu-name" }
540 static void do_info_name(Monitor *mon, QObject **ret_data)
542 *ret_data = qemu_name ? qobject_from_jsonf("{'name': %s }", qemu_name) :
543 qobject_from_jsonf("{}");
546 static QObject *get_cmd_dict(const char *name)
548 const char *p;
550 /* Remove '|' from some commands */
551 p = strchr(name, '|');
552 if (p) {
553 p++;
554 } else {
555 p = name;
558 return qobject_from_jsonf("{ 'name': %s }", p);
562 * do_info_commands(): List QMP available commands
564 * Each command is represented by a QDict, the returned QObject is a QList
565 * of all commands.
567 * The QDict contains:
569 * - "name": command's name
571 * Example:
573 * { [ { "name": "query-balloon" }, { "name": "system_powerdown" } ] }
575 static void do_info_commands(Monitor *mon, QObject **ret_data)
577 QList *cmd_list;
578 const mon_cmd_t *cmd;
580 cmd_list = qlist_new();
582 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
583 if (monitor_handler_ported(cmd) && !compare_cmd(cmd->name, "info")) {
584 qlist_append_obj(cmd_list, get_cmd_dict(cmd->name));
588 for (cmd = info_cmds; cmd->name != NULL; cmd++) {
589 if (monitor_handler_ported(cmd)) {
590 char buf[128];
591 snprintf(buf, sizeof(buf), "query-%s", cmd->name);
592 qlist_append_obj(cmd_list, get_cmd_dict(buf));
596 *ret_data = QOBJECT(cmd_list);
599 #if defined(TARGET_I386)
600 static void do_info_hpet_print(Monitor *mon, const QObject *data)
602 monitor_printf(mon, "HPET is %s by QEMU\n",
603 qdict_get_bool(qobject_to_qdict(data), "enabled") ?
604 "enabled" : "disabled");
608 * do_info_hpet(): Show HPET state
610 * Return a QDict with the following information:
612 * - "enabled": true if hpet if enabled, false otherwise
614 * Example:
616 * { "enabled": true }
618 static void do_info_hpet(Monitor *mon, QObject **ret_data)
620 *ret_data = qobject_from_jsonf("{ 'enabled': %i }", !no_hpet);
622 #endif
624 static void do_info_uuid_print(Monitor *mon, const QObject *data)
626 monitor_printf(mon, "%s\n", qdict_get_str(qobject_to_qdict(data), "UUID"));
630 * do_info_uuid(): Show VM UUID
632 * Return a QDict with the following information:
634 * - "UUID": Universally Unique Identifier
636 * Example:
638 * { "UUID": "550e8400-e29b-41d4-a716-446655440000" }
640 static void do_info_uuid(Monitor *mon, QObject **ret_data)
642 char uuid[64];
644 snprintf(uuid, sizeof(uuid), UUID_FMT, qemu_uuid[0], qemu_uuid[1],
645 qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5],
646 qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9],
647 qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13],
648 qemu_uuid[14], qemu_uuid[15]);
649 *ret_data = qobject_from_jsonf("{ 'UUID': %s }", uuid);
652 /* get the current CPU defined by the user */
653 static int mon_set_cpu(int cpu_index)
655 CPUState *env;
657 for(env = first_cpu; env != NULL; env = env->next_cpu) {
658 if (env->cpu_index == cpu_index) {
659 cur_mon->mon_cpu = env;
660 return 0;
663 return -1;
666 static CPUState *mon_get_cpu(void)
668 if (!cur_mon->mon_cpu) {
669 mon_set_cpu(0);
671 cpu_synchronize_state(cur_mon->mon_cpu);
672 return cur_mon->mon_cpu;
675 static void do_info_registers(Monitor *mon)
677 CPUState *env;
678 env = mon_get_cpu();
679 if (!env)
680 return;
681 #ifdef TARGET_I386
682 cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
683 X86_DUMP_FPU);
684 #else
685 cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
687 #endif
690 static void print_cpu_iter(QObject *obj, void *opaque)
692 QDict *cpu;
693 int active = ' ';
694 Monitor *mon = opaque;
696 assert(qobject_type(obj) == QTYPE_QDICT);
697 cpu = qobject_to_qdict(obj);
699 if (qdict_get_bool(cpu, "current")) {
700 active = '*';
703 monitor_printf(mon, "%c CPU #%d: ", active, (int)qdict_get_int(cpu, "CPU"));
705 #if defined(TARGET_I386)
706 monitor_printf(mon, "pc=0x" TARGET_FMT_lx,
707 (target_ulong) qdict_get_int(cpu, "pc"));
708 #elif defined(TARGET_PPC)
709 monitor_printf(mon, "nip=0x" TARGET_FMT_lx,
710 (target_long) qdict_get_int(cpu, "nip"));
711 #elif defined(TARGET_SPARC)
712 monitor_printf(mon, "pc=0x " TARGET_FMT_lx,
713 (target_long) qdict_get_int(cpu, "pc"));
714 monitor_printf(mon, "npc=0x" TARGET_FMT_lx,
715 (target_long) qdict_get_int(cpu, "npc"));
716 #elif defined(TARGET_MIPS)
717 monitor_printf(mon, "PC=0x" TARGET_FMT_lx,
718 (target_long) qdict_get_int(cpu, "PC"));
719 #endif
721 if (qdict_get_bool(cpu, "halted")) {
722 monitor_printf(mon, " (halted)");
725 monitor_printf(mon, "\n");
728 static void monitor_print_cpus(Monitor *mon, const QObject *data)
730 QList *cpu_list;
732 assert(qobject_type(data) == QTYPE_QLIST);
733 cpu_list = qobject_to_qlist(data);
734 qlist_iter(cpu_list, print_cpu_iter, mon);
738 * do_info_cpus(): Show CPU information
740 * Return a QList. Each CPU is represented by a QDict, which contains:
742 * - "cpu": CPU index
743 * - "current": true if this is the current CPU, false otherwise
744 * - "halted": true if the cpu is halted, false otherwise
745 * - Current program counter. The key's name depends on the architecture:
746 * "pc": i386/x86)64
747 * "nip": PPC
748 * "pc" and "npc": sparc
749 * "PC": mips
751 * Example:
753 * [ { "CPU": 0, "current": true, "halted": false, "pc": 3227107138 },
754 * { "CPU": 1, "current": false, "halted": true, "pc": 7108165 } ]
756 static void do_info_cpus(Monitor *mon, QObject **ret_data)
758 CPUState *env;
759 QList *cpu_list;
761 cpu_list = qlist_new();
763 /* just to set the default cpu if not already done */
764 mon_get_cpu();
766 for(env = first_cpu; env != NULL; env = env->next_cpu) {
767 QDict *cpu;
768 QObject *obj;
770 cpu_synchronize_state(env);
772 obj = qobject_from_jsonf("{ 'CPU': %d, 'current': %i, 'halted': %i }",
773 env->cpu_index, env == mon->mon_cpu,
774 env->halted);
775 assert(obj != NULL);
777 cpu = qobject_to_qdict(obj);
779 #if defined(TARGET_I386)
780 qdict_put(cpu, "pc", qint_from_int(env->eip + env->segs[R_CS].base));
781 #elif defined(TARGET_PPC)
782 qdict_put(cpu, "nip", qint_from_int(env->nip));
783 #elif defined(TARGET_SPARC)
784 qdict_put(cpu, "pc", qint_from_int(env->pc));
785 qdict_put(cpu, "npc", qint_from_int(env->npc));
786 #elif defined(TARGET_MIPS)
787 qdict_put(cpu, "PC", qint_from_int(env->active_tc.PC));
788 #endif
790 qlist_append(cpu_list, cpu);
793 *ret_data = QOBJECT(cpu_list);
796 static void do_cpu_set(Monitor *mon, const QDict *qdict)
798 int index = qdict_get_int(qdict, "index");
799 if (mon_set_cpu(index) < 0)
800 monitor_printf(mon, "Invalid CPU index\n");
803 static void do_info_jit(Monitor *mon)
805 dump_exec_info((FILE *)mon, monitor_fprintf);
808 static void do_info_history(Monitor *mon)
810 int i;
811 const char *str;
813 if (!mon->rs)
814 return;
815 i = 0;
816 for(;;) {
817 str = readline_get_history(mon->rs, i);
818 if (!str)
819 break;
820 monitor_printf(mon, "%d: '%s'\n", i, str);
821 i++;
825 #if defined(TARGET_PPC)
826 /* XXX: not implemented in other targets */
827 static void do_info_cpu_stats(Monitor *mon)
829 CPUState *env;
831 env = mon_get_cpu();
832 cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
834 #endif
837 * do_quit(): Quit QEMU execution
839 static void do_quit(Monitor *mon, const QDict *qdict, QObject **ret_data)
841 exit(0);
844 static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
846 if (bdrv_is_inserted(bs)) {
847 if (!force) {
848 if (!bdrv_is_removable(bs)) {
849 qemu_error_new(QERR_DEVICE_NOT_REMOVABLE,
850 bdrv_get_device_name(bs));
851 return -1;
853 if (bdrv_is_locked(bs)) {
854 qemu_error_new(QERR_DEVICE_LOCKED, bdrv_get_device_name(bs));
855 return -1;
858 bdrv_close(bs);
860 return 0;
863 static void do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data)
865 BlockDriverState *bs;
866 int force = qdict_get_int(qdict, "force");
867 const char *filename = qdict_get_str(qdict, "filename");
869 bs = bdrv_find(filename);
870 if (!bs) {
871 qemu_error_new(QERR_DEVICE_NOT_FOUND, filename);
872 return;
874 eject_device(mon, bs, force);
877 static void do_block_set_passwd(Monitor *mon, const QDict *qdict,
878 QObject **ret_data)
880 BlockDriverState *bs;
882 bs = bdrv_find(qdict_get_str(qdict, "device"));
883 if (!bs) {
884 qemu_error_new(QERR_DEVICE_NOT_FOUND, qdict_get_str(qdict, "device"));
885 return;
888 if (bdrv_set_key(bs, qdict_get_str(qdict, "password")) < 0) {
889 qemu_error_new(QERR_INVALID_PASSWORD);
893 static void do_change_block(Monitor *mon, const char *device,
894 const char *filename, const char *fmt)
896 BlockDriverState *bs;
897 BlockDriver *drv = NULL;
899 bs = bdrv_find(device);
900 if (!bs) {
901 qemu_error_new(QERR_DEVICE_NOT_FOUND, device);
902 return;
904 if (fmt) {
905 drv = bdrv_find_whitelisted_format(fmt);
906 if (!drv) {
907 qemu_error_new(QERR_INVALID_BLOCK_FORMAT, fmt);
908 return;
911 if (eject_device(mon, bs, 0) < 0)
912 return;
913 bdrv_open2(bs, filename, 0, drv);
914 monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
917 static void change_vnc_password(const char *password)
919 if (vnc_display_password(NULL, password) < 0)
920 qemu_error_new(QERR_SET_PASSWD_FAILED);
924 static void change_vnc_password_cb(Monitor *mon, const char *password,
925 void *opaque)
927 change_vnc_password(password);
928 monitor_read_command(mon, 1);
931 static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
933 if (strcmp(target, "passwd") == 0 ||
934 strcmp(target, "password") == 0) {
935 if (arg) {
936 char password[9];
937 strncpy(password, arg, sizeof(password));
938 password[sizeof(password) - 1] = '\0';
939 change_vnc_password(password);
940 } else {
941 monitor_read_password(mon, change_vnc_password_cb, NULL);
943 } else {
944 if (vnc_display_open(NULL, target) < 0)
945 qemu_error_new(QERR_VNC_SERVER_FAILED, target);
950 * do_change(): Change a removable medium, or VNC configuration
952 static void do_change(Monitor *mon, const QDict *qdict, QObject **ret_data)
954 const char *device = qdict_get_str(qdict, "device");
955 const char *target = qdict_get_str(qdict, "target");
956 const char *arg = qdict_get_try_str(qdict, "arg");
957 if (strcmp(device, "vnc") == 0) {
958 do_change_vnc(mon, target, arg);
959 } else {
960 do_change_block(mon, device, target, arg);
964 static void do_screen_dump(Monitor *mon, const QDict *qdict)
966 vga_hw_screen_dump(qdict_get_str(qdict, "filename"));
969 static void do_logfile(Monitor *mon, const QDict *qdict)
971 cpu_set_log_filename(qdict_get_str(qdict, "filename"));
974 static void do_log(Monitor *mon, const QDict *qdict)
976 int mask;
977 const char *items = qdict_get_str(qdict, "items");
979 if (!strcmp(items, "none")) {
980 mask = 0;
981 } else {
982 mask = cpu_str_to_log_mask(items);
983 if (!mask) {
984 help_cmd(mon, "log");
985 return;
988 cpu_set_log(mask);
991 static void do_singlestep(Monitor *mon, const QDict *qdict)
993 const char *option = qdict_get_try_str(qdict, "option");
994 if (!option || !strcmp(option, "on")) {
995 singlestep = 1;
996 } else if (!strcmp(option, "off")) {
997 singlestep = 0;
998 } else {
999 monitor_printf(mon, "unexpected option %s\n", option);
1004 * do_stop(): Stop VM execution
1006 static void do_stop(Monitor *mon, const QDict *qdict, QObject **ret_data)
1008 vm_stop(EXCP_INTERRUPT);
1011 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs);
1013 struct bdrv_iterate_context {
1014 Monitor *mon;
1015 int err;
1019 * do_cont(): Resume emulation.
1021 static void do_cont(Monitor *mon, const QDict *qdict, QObject **ret_data)
1023 struct bdrv_iterate_context context = { mon, 0 };
1025 bdrv_iterate(encrypted_bdrv_it, &context);
1026 /* only resume the vm if all keys are set and valid */
1027 if (!context.err)
1028 vm_start();
1031 static void bdrv_key_cb(void *opaque, int err)
1033 Monitor *mon = opaque;
1035 /* another key was set successfully, retry to continue */
1036 if (!err)
1037 do_cont(mon, NULL, NULL);
1040 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
1042 struct bdrv_iterate_context *context = opaque;
1044 if (!context->err && bdrv_key_required(bs)) {
1045 context->err = -EBUSY;
1046 monitor_read_bdrv_key_start(context->mon, bs, bdrv_key_cb,
1047 context->mon);
1051 static void do_gdbserver(Monitor *mon, const QDict *qdict)
1053 const char *device = qdict_get_try_str(qdict, "device");
1054 if (!device)
1055 device = "tcp::" DEFAULT_GDBSTUB_PORT;
1056 if (gdbserver_start(device) < 0) {
1057 monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
1058 device);
1059 } else if (strcmp(device, "none") == 0) {
1060 monitor_printf(mon, "Disabled gdbserver\n");
1061 } else {
1062 monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
1063 device);
1067 static void do_watchdog_action(Monitor *mon, const QDict *qdict)
1069 const char *action = qdict_get_str(qdict, "action");
1070 if (select_watchdog_action(action) == -1) {
1071 monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
1075 static void monitor_printc(Monitor *mon, int c)
1077 monitor_printf(mon, "'");
1078 switch(c) {
1079 case '\'':
1080 monitor_printf(mon, "\\'");
1081 break;
1082 case '\\':
1083 monitor_printf(mon, "\\\\");
1084 break;
1085 case '\n':
1086 monitor_printf(mon, "\\n");
1087 break;
1088 case '\r':
1089 monitor_printf(mon, "\\r");
1090 break;
1091 default:
1092 if (c >= 32 && c <= 126) {
1093 monitor_printf(mon, "%c", c);
1094 } else {
1095 monitor_printf(mon, "\\x%02x", c);
1097 break;
1099 monitor_printf(mon, "'");
1102 static void memory_dump(Monitor *mon, int count, int format, int wsize,
1103 target_phys_addr_t addr, int is_physical)
1105 CPUState *env;
1106 int nb_per_line, l, line_size, i, max_digits, len;
1107 uint8_t buf[16];
1108 uint64_t v;
1110 if (format == 'i') {
1111 int flags;
1112 flags = 0;
1113 env = mon_get_cpu();
1114 if (!env && !is_physical)
1115 return;
1116 #ifdef TARGET_I386
1117 if (wsize == 2) {
1118 flags = 1;
1119 } else if (wsize == 4) {
1120 flags = 0;
1121 } else {
1122 /* as default we use the current CS size */
1123 flags = 0;
1124 if (env) {
1125 #ifdef TARGET_X86_64
1126 if ((env->efer & MSR_EFER_LMA) &&
1127 (env->segs[R_CS].flags & DESC_L_MASK))
1128 flags = 2;
1129 else
1130 #endif
1131 if (!(env->segs[R_CS].flags & DESC_B_MASK))
1132 flags = 1;
1135 #endif
1136 monitor_disas(mon, env, addr, count, is_physical, flags);
1137 return;
1140 len = wsize * count;
1141 if (wsize == 1)
1142 line_size = 8;
1143 else
1144 line_size = 16;
1145 nb_per_line = line_size / wsize;
1146 max_digits = 0;
1148 switch(format) {
1149 case 'o':
1150 max_digits = (wsize * 8 + 2) / 3;
1151 break;
1152 default:
1153 case 'x':
1154 max_digits = (wsize * 8) / 4;
1155 break;
1156 case 'u':
1157 case 'd':
1158 max_digits = (wsize * 8 * 10 + 32) / 33;
1159 break;
1160 case 'c':
1161 wsize = 1;
1162 break;
1165 while (len > 0) {
1166 if (is_physical)
1167 monitor_printf(mon, TARGET_FMT_plx ":", addr);
1168 else
1169 monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1170 l = len;
1171 if (l > line_size)
1172 l = line_size;
1173 if (is_physical) {
1174 cpu_physical_memory_rw(addr, buf, l, 0);
1175 } else {
1176 env = mon_get_cpu();
1177 if (!env)
1178 break;
1179 if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
1180 monitor_printf(mon, " Cannot access memory\n");
1181 break;
1184 i = 0;
1185 while (i < l) {
1186 switch(wsize) {
1187 default:
1188 case 1:
1189 v = ldub_raw(buf + i);
1190 break;
1191 case 2:
1192 v = lduw_raw(buf + i);
1193 break;
1194 case 4:
1195 v = (uint32_t)ldl_raw(buf + i);
1196 break;
1197 case 8:
1198 v = ldq_raw(buf + i);
1199 break;
1201 monitor_printf(mon, " ");
1202 switch(format) {
1203 case 'o':
1204 monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1205 break;
1206 case 'x':
1207 monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1208 break;
1209 case 'u':
1210 monitor_printf(mon, "%*" PRIu64, max_digits, v);
1211 break;
1212 case 'd':
1213 monitor_printf(mon, "%*" PRId64, max_digits, v);
1214 break;
1215 case 'c':
1216 monitor_printc(mon, v);
1217 break;
1219 i += wsize;
1221 monitor_printf(mon, "\n");
1222 addr += l;
1223 len -= l;
1227 static void do_memory_dump(Monitor *mon, const QDict *qdict)
1229 int count = qdict_get_int(qdict, "count");
1230 int format = qdict_get_int(qdict, "format");
1231 int size = qdict_get_int(qdict, "size");
1232 target_long addr = qdict_get_int(qdict, "addr");
1234 memory_dump(mon, count, format, size, addr, 0);
1237 static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
1239 int count = qdict_get_int(qdict, "count");
1240 int format = qdict_get_int(qdict, "format");
1241 int size = qdict_get_int(qdict, "size");
1242 target_phys_addr_t addr = qdict_get_int(qdict, "addr");
1244 memory_dump(mon, count, format, size, addr, 1);
1247 static void do_print(Monitor *mon, const QDict *qdict)
1249 int format = qdict_get_int(qdict, "format");
1250 target_phys_addr_t val = qdict_get_int(qdict, "val");
1252 #if TARGET_PHYS_ADDR_BITS == 32
1253 switch(format) {
1254 case 'o':
1255 monitor_printf(mon, "%#o", val);
1256 break;
1257 case 'x':
1258 monitor_printf(mon, "%#x", val);
1259 break;
1260 case 'u':
1261 monitor_printf(mon, "%u", val);
1262 break;
1263 default:
1264 case 'd':
1265 monitor_printf(mon, "%d", val);
1266 break;
1267 case 'c':
1268 monitor_printc(mon, val);
1269 break;
1271 #else
1272 switch(format) {
1273 case 'o':
1274 monitor_printf(mon, "%#" PRIo64, val);
1275 break;
1276 case 'x':
1277 monitor_printf(mon, "%#" PRIx64, val);
1278 break;
1279 case 'u':
1280 monitor_printf(mon, "%" PRIu64, val);
1281 break;
1282 default:
1283 case 'd':
1284 monitor_printf(mon, "%" PRId64, val);
1285 break;
1286 case 'c':
1287 monitor_printc(mon, val);
1288 break;
1290 #endif
1291 monitor_printf(mon, "\n");
1294 static void do_memory_save(Monitor *mon, const QDict *qdict, QObject **ret_data)
1296 FILE *f;
1297 uint32_t size = qdict_get_int(qdict, "size");
1298 const char *filename = qdict_get_str(qdict, "filename");
1299 target_long addr = qdict_get_int(qdict, "val");
1300 uint32_t l;
1301 CPUState *env;
1302 uint8_t buf[1024];
1304 env = mon_get_cpu();
1305 if (!env)
1306 return;
1308 f = fopen(filename, "wb");
1309 if (!f) {
1310 monitor_printf(mon, "could not open '%s'\n", filename);
1311 return;
1313 while (size != 0) {
1314 l = sizeof(buf);
1315 if (l > size)
1316 l = size;
1317 cpu_memory_rw_debug(env, addr, buf, l, 0);
1318 fwrite(buf, 1, l, f);
1319 addr += l;
1320 size -= l;
1322 fclose(f);
1325 static void do_physical_memory_save(Monitor *mon, const QDict *qdict,
1326 QObject **ret_data)
1328 FILE *f;
1329 uint32_t l;
1330 uint8_t buf[1024];
1331 uint32_t size = qdict_get_int(qdict, "size");
1332 const char *filename = qdict_get_str(qdict, "filename");
1333 target_phys_addr_t addr = qdict_get_int(qdict, "val");
1335 f = fopen(filename, "wb");
1336 if (!f) {
1337 monitor_printf(mon, "could not open '%s'\n", filename);
1338 return;
1340 while (size != 0) {
1341 l = sizeof(buf);
1342 if (l > size)
1343 l = size;
1344 cpu_physical_memory_rw(addr, buf, l, 0);
1345 fwrite(buf, 1, l, f);
1346 fflush(f);
1347 addr += l;
1348 size -= l;
1350 fclose(f);
1353 static void do_sum(Monitor *mon, const QDict *qdict)
1355 uint32_t addr;
1356 uint8_t buf[1];
1357 uint16_t sum;
1358 uint32_t start = qdict_get_int(qdict, "start");
1359 uint32_t size = qdict_get_int(qdict, "size");
1361 sum = 0;
1362 for(addr = start; addr < (start + size); addr++) {
1363 cpu_physical_memory_rw(addr, buf, 1, 0);
1364 /* BSD sum algorithm ('sum' Unix command) */
1365 sum = (sum >> 1) | (sum << 15);
1366 sum += buf[0];
1368 monitor_printf(mon, "%05d\n", sum);
1371 typedef struct {
1372 int keycode;
1373 const char *name;
1374 } KeyDef;
1376 static const KeyDef key_defs[] = {
1377 { 0x2a, "shift" },
1378 { 0x36, "shift_r" },
1380 { 0x38, "alt" },
1381 { 0xb8, "alt_r" },
1382 { 0x64, "altgr" },
1383 { 0xe4, "altgr_r" },
1384 { 0x1d, "ctrl" },
1385 { 0x9d, "ctrl_r" },
1387 { 0xdd, "menu" },
1389 { 0x01, "esc" },
1391 { 0x02, "1" },
1392 { 0x03, "2" },
1393 { 0x04, "3" },
1394 { 0x05, "4" },
1395 { 0x06, "5" },
1396 { 0x07, "6" },
1397 { 0x08, "7" },
1398 { 0x09, "8" },
1399 { 0x0a, "9" },
1400 { 0x0b, "0" },
1401 { 0x0c, "minus" },
1402 { 0x0d, "equal" },
1403 { 0x0e, "backspace" },
1405 { 0x0f, "tab" },
1406 { 0x10, "q" },
1407 { 0x11, "w" },
1408 { 0x12, "e" },
1409 { 0x13, "r" },
1410 { 0x14, "t" },
1411 { 0x15, "y" },
1412 { 0x16, "u" },
1413 { 0x17, "i" },
1414 { 0x18, "o" },
1415 { 0x19, "p" },
1417 { 0x1c, "ret" },
1419 { 0x1e, "a" },
1420 { 0x1f, "s" },
1421 { 0x20, "d" },
1422 { 0x21, "f" },
1423 { 0x22, "g" },
1424 { 0x23, "h" },
1425 { 0x24, "j" },
1426 { 0x25, "k" },
1427 { 0x26, "l" },
1429 { 0x2c, "z" },
1430 { 0x2d, "x" },
1431 { 0x2e, "c" },
1432 { 0x2f, "v" },
1433 { 0x30, "b" },
1434 { 0x31, "n" },
1435 { 0x32, "m" },
1436 { 0x33, "comma" },
1437 { 0x34, "dot" },
1438 { 0x35, "slash" },
1440 { 0x37, "asterisk" },
1442 { 0x39, "spc" },
1443 { 0x3a, "caps_lock" },
1444 { 0x3b, "f1" },
1445 { 0x3c, "f2" },
1446 { 0x3d, "f3" },
1447 { 0x3e, "f4" },
1448 { 0x3f, "f5" },
1449 { 0x40, "f6" },
1450 { 0x41, "f7" },
1451 { 0x42, "f8" },
1452 { 0x43, "f9" },
1453 { 0x44, "f10" },
1454 { 0x45, "num_lock" },
1455 { 0x46, "scroll_lock" },
1457 { 0xb5, "kp_divide" },
1458 { 0x37, "kp_multiply" },
1459 { 0x4a, "kp_subtract" },
1460 { 0x4e, "kp_add" },
1461 { 0x9c, "kp_enter" },
1462 { 0x53, "kp_decimal" },
1463 { 0x54, "sysrq" },
1465 { 0x52, "kp_0" },
1466 { 0x4f, "kp_1" },
1467 { 0x50, "kp_2" },
1468 { 0x51, "kp_3" },
1469 { 0x4b, "kp_4" },
1470 { 0x4c, "kp_5" },
1471 { 0x4d, "kp_6" },
1472 { 0x47, "kp_7" },
1473 { 0x48, "kp_8" },
1474 { 0x49, "kp_9" },
1476 { 0x56, "<" },
1478 { 0x57, "f11" },
1479 { 0x58, "f12" },
1481 { 0xb7, "print" },
1483 { 0xc7, "home" },
1484 { 0xc9, "pgup" },
1485 { 0xd1, "pgdn" },
1486 { 0xcf, "end" },
1488 { 0xcb, "left" },
1489 { 0xc8, "up" },
1490 { 0xd0, "down" },
1491 { 0xcd, "right" },
1493 { 0xd2, "insert" },
1494 { 0xd3, "delete" },
1495 #if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
1496 { 0xf0, "stop" },
1497 { 0xf1, "again" },
1498 { 0xf2, "props" },
1499 { 0xf3, "undo" },
1500 { 0xf4, "front" },
1501 { 0xf5, "copy" },
1502 { 0xf6, "open" },
1503 { 0xf7, "paste" },
1504 { 0xf8, "find" },
1505 { 0xf9, "cut" },
1506 { 0xfa, "lf" },
1507 { 0xfb, "help" },
1508 { 0xfc, "meta_l" },
1509 { 0xfd, "meta_r" },
1510 { 0xfe, "compose" },
1511 #endif
1512 { 0, NULL },
1515 static int get_keycode(const char *key)
1517 const KeyDef *p;
1518 char *endp;
1519 int ret;
1521 for(p = key_defs; p->name != NULL; p++) {
1522 if (!strcmp(key, p->name))
1523 return p->keycode;
1525 if (strstart(key, "0x", NULL)) {
1526 ret = strtoul(key, &endp, 0);
1527 if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
1528 return ret;
1530 return -1;
1533 #define MAX_KEYCODES 16
1534 static uint8_t keycodes[MAX_KEYCODES];
1535 static int nb_pending_keycodes;
1536 static QEMUTimer *key_timer;
1538 static void release_keys(void *opaque)
1540 int keycode;
1542 while (nb_pending_keycodes > 0) {
1543 nb_pending_keycodes--;
1544 keycode = keycodes[nb_pending_keycodes];
1545 if (keycode & 0x80)
1546 kbd_put_keycode(0xe0);
1547 kbd_put_keycode(keycode | 0x80);
1551 static void do_sendkey(Monitor *mon, const QDict *qdict)
1553 char keyname_buf[16];
1554 char *separator;
1555 int keyname_len, keycode, i;
1556 const char *string = qdict_get_str(qdict, "string");
1557 int has_hold_time = qdict_haskey(qdict, "hold_time");
1558 int hold_time = qdict_get_try_int(qdict, "hold_time", -1);
1560 if (nb_pending_keycodes > 0) {
1561 qemu_del_timer(key_timer);
1562 release_keys(NULL);
1564 if (!has_hold_time)
1565 hold_time = 100;
1566 i = 0;
1567 while (1) {
1568 separator = strchr(string, '-');
1569 keyname_len = separator ? separator - string : strlen(string);
1570 if (keyname_len > 0) {
1571 pstrcpy(keyname_buf, sizeof(keyname_buf), string);
1572 if (keyname_len > sizeof(keyname_buf) - 1) {
1573 monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1574 return;
1576 if (i == MAX_KEYCODES) {
1577 monitor_printf(mon, "too many keys\n");
1578 return;
1580 keyname_buf[keyname_len] = 0;
1581 keycode = get_keycode(keyname_buf);
1582 if (keycode < 0) {
1583 monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
1584 return;
1586 keycodes[i++] = keycode;
1588 if (!separator)
1589 break;
1590 string = separator + 1;
1592 nb_pending_keycodes = i;
1593 /* key down events */
1594 for (i = 0; i < nb_pending_keycodes; i++) {
1595 keycode = keycodes[i];
1596 if (keycode & 0x80)
1597 kbd_put_keycode(0xe0);
1598 kbd_put_keycode(keycode & 0x7f);
1600 /* delayed key up events */
1601 qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
1602 muldiv64(get_ticks_per_sec(), hold_time, 1000));
1605 static int mouse_button_state;
1607 static void do_mouse_move(Monitor *mon, const QDict *qdict)
1609 int dx, dy, dz;
1610 const char *dx_str = qdict_get_str(qdict, "dx_str");
1611 const char *dy_str = qdict_get_str(qdict, "dy_str");
1612 const char *dz_str = qdict_get_try_str(qdict, "dz_str");
1613 dx = strtol(dx_str, NULL, 0);
1614 dy = strtol(dy_str, NULL, 0);
1615 dz = 0;
1616 if (dz_str)
1617 dz = strtol(dz_str, NULL, 0);
1618 kbd_mouse_event(dx, dy, dz, mouse_button_state);
1621 static void do_mouse_button(Monitor *mon, const QDict *qdict)
1623 int button_state = qdict_get_int(qdict, "button_state");
1624 mouse_button_state = button_state;
1625 kbd_mouse_event(0, 0, 0, mouse_button_state);
1628 static void do_ioport_read(Monitor *mon, const QDict *qdict)
1630 int size = qdict_get_int(qdict, "size");
1631 int addr = qdict_get_int(qdict, "addr");
1632 int has_index = qdict_haskey(qdict, "index");
1633 uint32_t val;
1634 int suffix;
1636 if (has_index) {
1637 int index = qdict_get_int(qdict, "index");
1638 cpu_outb(addr & IOPORTS_MASK, index & 0xff);
1639 addr++;
1641 addr &= 0xffff;
1643 switch(size) {
1644 default:
1645 case 1:
1646 val = cpu_inb(addr);
1647 suffix = 'b';
1648 break;
1649 case 2:
1650 val = cpu_inw(addr);
1651 suffix = 'w';
1652 break;
1653 case 4:
1654 val = cpu_inl(addr);
1655 suffix = 'l';
1656 break;
1658 monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
1659 suffix, addr, size * 2, val);
1662 static void do_ioport_write(Monitor *mon, const QDict *qdict)
1664 int size = qdict_get_int(qdict, "size");
1665 int addr = qdict_get_int(qdict, "addr");
1666 int val = qdict_get_int(qdict, "val");
1668 addr &= IOPORTS_MASK;
1670 switch (size) {
1671 default:
1672 case 1:
1673 cpu_outb(addr, val);
1674 break;
1675 case 2:
1676 cpu_outw(addr, val);
1677 break;
1678 case 4:
1679 cpu_outl(addr, val);
1680 break;
1684 static void do_boot_set(Monitor *mon, const QDict *qdict)
1686 int res;
1687 const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1689 res = qemu_boot_set(bootdevice);
1690 if (res == 0) {
1691 monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1692 } else if (res > 0) {
1693 monitor_printf(mon, "setting boot device list failed\n");
1694 } else {
1695 monitor_printf(mon, "no function defined to set boot device list for "
1696 "this architecture\n");
1701 * do_system_reset(): Issue a machine reset
1703 static void do_system_reset(Monitor *mon, const QDict *qdict,
1704 QObject **ret_data)
1706 qemu_system_reset_request();
1710 * do_system_powerdown(): Issue a machine powerdown
1712 static void do_system_powerdown(Monitor *mon, const QDict *qdict,
1713 QObject **ret_data)
1715 qemu_system_powerdown_request();
1718 #if defined(TARGET_I386)
1719 static void print_pte(Monitor *mon, uint32_t addr, uint32_t pte, uint32_t mask)
1721 monitor_printf(mon, "%08x: %08x %c%c%c%c%c%c%c%c\n",
1722 addr,
1723 pte & mask,
1724 pte & PG_GLOBAL_MASK ? 'G' : '-',
1725 pte & PG_PSE_MASK ? 'P' : '-',
1726 pte & PG_DIRTY_MASK ? 'D' : '-',
1727 pte & PG_ACCESSED_MASK ? 'A' : '-',
1728 pte & PG_PCD_MASK ? 'C' : '-',
1729 pte & PG_PWT_MASK ? 'T' : '-',
1730 pte & PG_USER_MASK ? 'U' : '-',
1731 pte & PG_RW_MASK ? 'W' : '-');
1734 static void tlb_info(Monitor *mon)
1736 CPUState *env;
1737 int l1, l2;
1738 uint32_t pgd, pde, pte;
1740 env = mon_get_cpu();
1741 if (!env)
1742 return;
1744 if (!(env->cr[0] & CR0_PG_MASK)) {
1745 monitor_printf(mon, "PG disabled\n");
1746 return;
1748 pgd = env->cr[3] & ~0xfff;
1749 for(l1 = 0; l1 < 1024; l1++) {
1750 cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1751 pde = le32_to_cpu(pde);
1752 if (pde & PG_PRESENT_MASK) {
1753 if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1754 print_pte(mon, (l1 << 22), pde, ~((1 << 20) - 1));
1755 } else {
1756 for(l2 = 0; l2 < 1024; l2++) {
1757 cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1758 (uint8_t *)&pte, 4);
1759 pte = le32_to_cpu(pte);
1760 if (pte & PG_PRESENT_MASK) {
1761 print_pte(mon, (l1 << 22) + (l2 << 12),
1762 pte & ~PG_PSE_MASK,
1763 ~0xfff);
1771 static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
1772 uint32_t end, int prot)
1774 int prot1;
1775 prot1 = *plast_prot;
1776 if (prot != prot1) {
1777 if (*pstart != -1) {
1778 monitor_printf(mon, "%08x-%08x %08x %c%c%c\n",
1779 *pstart, end, end - *pstart,
1780 prot1 & PG_USER_MASK ? 'u' : '-',
1781 'r',
1782 prot1 & PG_RW_MASK ? 'w' : '-');
1784 if (prot != 0)
1785 *pstart = end;
1786 else
1787 *pstart = -1;
1788 *plast_prot = prot;
1792 static void mem_info(Monitor *mon)
1794 CPUState *env;
1795 int l1, l2, prot, last_prot;
1796 uint32_t pgd, pde, pte, start, end;
1798 env = mon_get_cpu();
1799 if (!env)
1800 return;
1802 if (!(env->cr[0] & CR0_PG_MASK)) {
1803 monitor_printf(mon, "PG disabled\n");
1804 return;
1806 pgd = env->cr[3] & ~0xfff;
1807 last_prot = 0;
1808 start = -1;
1809 for(l1 = 0; l1 < 1024; l1++) {
1810 cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
1811 pde = le32_to_cpu(pde);
1812 end = l1 << 22;
1813 if (pde & PG_PRESENT_MASK) {
1814 if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1815 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1816 mem_print(mon, &start, &last_prot, end, prot);
1817 } else {
1818 for(l2 = 0; l2 < 1024; l2++) {
1819 cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
1820 (uint8_t *)&pte, 4);
1821 pte = le32_to_cpu(pte);
1822 end = (l1 << 22) + (l2 << 12);
1823 if (pte & PG_PRESENT_MASK) {
1824 prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
1825 } else {
1826 prot = 0;
1828 mem_print(mon, &start, &last_prot, end, prot);
1831 } else {
1832 prot = 0;
1833 mem_print(mon, &start, &last_prot, end, prot);
1837 #endif
1839 #if defined(TARGET_SH4)
1841 static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
1843 monitor_printf(mon, " tlb%i:\t"
1844 "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t"
1845 "v=%hhu shared=%hhu cached=%hhu prot=%hhu "
1846 "dirty=%hhu writethrough=%hhu\n",
1847 idx,
1848 tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size,
1849 tlb->v, tlb->sh, tlb->c, tlb->pr,
1850 tlb->d, tlb->wt);
1853 static void tlb_info(Monitor *mon)
1855 CPUState *env = mon_get_cpu();
1856 int i;
1858 monitor_printf (mon, "ITLB:\n");
1859 for (i = 0 ; i < ITLB_SIZE ; i++)
1860 print_tlb (mon, i, &env->itlb[i]);
1861 monitor_printf (mon, "UTLB:\n");
1862 for (i = 0 ; i < UTLB_SIZE ; i++)
1863 print_tlb (mon, i, &env->utlb[i]);
1866 #endif
1868 static void do_info_kvm_print(Monitor *mon, const QObject *data)
1870 QDict *qdict;
1872 qdict = qobject_to_qdict(data);
1874 monitor_printf(mon, "kvm support: ");
1875 if (qdict_get_bool(qdict, "present")) {
1876 monitor_printf(mon, "%s\n", qdict_get_bool(qdict, "enabled") ?
1877 "enabled" : "disabled");
1878 } else {
1879 monitor_printf(mon, "not compiled\n");
1884 * do_info_kvm(): Show KVM information
1886 * Return a QDict with the following information:
1888 * - "enabled": true if KVM support is enabled, false otherwise
1889 * - "present": true if QEMU has KVM support, false otherwise
1891 * Example:
1893 * { "enabled": true, "present": true }
1895 static void do_info_kvm(Monitor *mon, QObject **ret_data)
1897 #ifdef CONFIG_KVM
1898 *ret_data = qobject_from_jsonf("{ 'enabled': %i, 'present': true }",
1899 kvm_enabled());
1900 #else
1901 *ret_data = qobject_from_jsonf("{ 'enabled': false, 'present': false }");
1902 #endif
1905 static void do_info_numa(Monitor *mon)
1907 int i;
1908 CPUState *env;
1910 monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
1911 for (i = 0; i < nb_numa_nodes; i++) {
1912 monitor_printf(mon, "node %d cpus:", i);
1913 for (env = first_cpu; env != NULL; env = env->next_cpu) {
1914 if (env->numa_node == i) {
1915 monitor_printf(mon, " %d", env->cpu_index);
1918 monitor_printf(mon, "\n");
1919 monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1920 node_mem[i] >> 20);
1924 #ifdef CONFIG_PROFILER
1926 int64_t qemu_time;
1927 int64_t dev_time;
1929 static void do_info_profile(Monitor *mon)
1931 int64_t total;
1932 total = qemu_time;
1933 if (total == 0)
1934 total = 1;
1935 monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n",
1936 dev_time, dev_time / (double)get_ticks_per_sec());
1937 monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n",
1938 qemu_time, qemu_time / (double)get_ticks_per_sec());
1939 qemu_time = 0;
1940 dev_time = 0;
1942 #else
1943 static void do_info_profile(Monitor *mon)
1945 monitor_printf(mon, "Internal profiler not compiled\n");
1947 #endif
1949 /* Capture support */
1950 static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
1952 static void do_info_capture(Monitor *mon)
1954 int i;
1955 CaptureState *s;
1957 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1958 monitor_printf(mon, "[%d]: ", i);
1959 s->ops.info (s->opaque);
1963 #ifdef HAS_AUDIO
1964 static void do_stop_capture(Monitor *mon, const QDict *qdict)
1966 int i;
1967 int n = qdict_get_int(qdict, "n");
1968 CaptureState *s;
1970 for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1971 if (i == n) {
1972 s->ops.destroy (s->opaque);
1973 QLIST_REMOVE (s, entries);
1974 qemu_free (s);
1975 return;
1980 static void do_wav_capture(Monitor *mon, const QDict *qdict)
1982 const char *path = qdict_get_str(qdict, "path");
1983 int has_freq = qdict_haskey(qdict, "freq");
1984 int freq = qdict_get_try_int(qdict, "freq", -1);
1985 int has_bits = qdict_haskey(qdict, "bits");
1986 int bits = qdict_get_try_int(qdict, "bits", -1);
1987 int has_channels = qdict_haskey(qdict, "nchannels");
1988 int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
1989 CaptureState *s;
1991 s = qemu_mallocz (sizeof (*s));
1993 freq = has_freq ? freq : 44100;
1994 bits = has_bits ? bits : 16;
1995 nchannels = has_channels ? nchannels : 2;
1997 if (wav_start_capture (s, path, freq, bits, nchannels)) {
1998 monitor_printf(mon, "Faied to add wave capture\n");
1999 qemu_free (s);
2001 QLIST_INSERT_HEAD (&capture_head, s, entries);
2003 #endif
2005 #if defined(TARGET_I386)
2006 static void do_inject_nmi(Monitor *mon, const QDict *qdict)
2008 CPUState *env;
2009 int cpu_index = qdict_get_int(qdict, "cpu_index");
2011 for (env = first_cpu; env != NULL; env = env->next_cpu)
2012 if (env->cpu_index == cpu_index) {
2013 cpu_interrupt(env, CPU_INTERRUPT_NMI);
2014 break;
2017 #endif
2019 static void do_info_status_print(Monitor *mon, const QObject *data)
2021 QDict *qdict;
2023 qdict = qobject_to_qdict(data);
2025 monitor_printf(mon, "VM status: ");
2026 if (qdict_get_bool(qdict, "running")) {
2027 monitor_printf(mon, "running");
2028 if (qdict_get_bool(qdict, "singlestep")) {
2029 monitor_printf(mon, " (single step mode)");
2031 } else {
2032 monitor_printf(mon, "paused");
2035 monitor_printf(mon, "\n");
2039 * do_info_status(): VM status
2041 * Return a QDict with the following information:
2043 * - "running": true if the VM is running, or false if it is paused
2044 * - "singlestep": true if the VM is in single step mode, false otherwise
2046 * Example:
2048 * { "running": true, "singlestep": false }
2050 static void do_info_status(Monitor *mon, QObject **ret_data)
2052 *ret_data = qobject_from_jsonf("{ 'running': %i, 'singlestep': %i }",
2053 vm_running, singlestep);
2057 * do_balloon(): Request VM to change its memory allocation
2059 static void do_balloon(Monitor *mon, const QDict *qdict, QObject **ret_data)
2061 int value = qdict_get_int(qdict, "value");
2062 ram_addr_t target = value;
2063 qemu_balloon(target << 20);
2066 static void monitor_print_balloon(Monitor *mon, const QObject *data)
2068 QDict *qdict;
2070 qdict = qobject_to_qdict(data);
2072 monitor_printf(mon, "balloon: actual=%" PRId64 "\n",
2073 qdict_get_int(qdict, "balloon") >> 20);
2077 * do_info_balloon(): Balloon information
2079 * Return a QDict with the following information:
2081 * - "balloon": current balloon value in bytes
2083 * Example:
2085 * { "balloon": 1073741824 }
2087 static void do_info_balloon(Monitor *mon, QObject **ret_data)
2089 ram_addr_t actual;
2091 actual = qemu_balloon_status();
2092 if (kvm_enabled() && !kvm_has_sync_mmu())
2093 qemu_error_new(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
2094 else if (actual == 0)
2095 qemu_error_new(QERR_DEVICE_NOT_ACTIVE, "balloon");
2096 else
2097 *ret_data = qobject_from_jsonf("{ 'balloon': %" PRId64 "}",
2098 (int64_t) actual);
2101 static qemu_acl *find_acl(Monitor *mon, const char *name)
2103 qemu_acl *acl = qemu_acl_find(name);
2105 if (!acl) {
2106 monitor_printf(mon, "acl: unknown list '%s'\n", name);
2108 return acl;
2111 static void do_acl_show(Monitor *mon, const QDict *qdict)
2113 const char *aclname = qdict_get_str(qdict, "aclname");
2114 qemu_acl *acl = find_acl(mon, aclname);
2115 qemu_acl_entry *entry;
2116 int i = 0;
2118 if (acl) {
2119 monitor_printf(mon, "policy: %s\n",
2120 acl->defaultDeny ? "deny" : "allow");
2121 QTAILQ_FOREACH(entry, &acl->entries, next) {
2122 i++;
2123 monitor_printf(mon, "%d: %s %s\n", i,
2124 entry->deny ? "deny" : "allow", entry->match);
2129 static void do_acl_reset(Monitor *mon, const QDict *qdict)
2131 const char *aclname = qdict_get_str(qdict, "aclname");
2132 qemu_acl *acl = find_acl(mon, aclname);
2134 if (acl) {
2135 qemu_acl_reset(acl);
2136 monitor_printf(mon, "acl: removed all rules\n");
2140 static void do_acl_policy(Monitor *mon, const QDict *qdict)
2142 const char *aclname = qdict_get_str(qdict, "aclname");
2143 const char *policy = qdict_get_str(qdict, "policy");
2144 qemu_acl *acl = find_acl(mon, aclname);
2146 if (acl) {
2147 if (strcmp(policy, "allow") == 0) {
2148 acl->defaultDeny = 0;
2149 monitor_printf(mon, "acl: policy set to 'allow'\n");
2150 } else if (strcmp(policy, "deny") == 0) {
2151 acl->defaultDeny = 1;
2152 monitor_printf(mon, "acl: policy set to 'deny'\n");
2153 } else {
2154 monitor_printf(mon, "acl: unknown policy '%s', "
2155 "expected 'deny' or 'allow'\n", policy);
2160 static void do_acl_add(Monitor *mon, const QDict *qdict)
2162 const char *aclname = qdict_get_str(qdict, "aclname");
2163 const char *match = qdict_get_str(qdict, "match");
2164 const char *policy = qdict_get_str(qdict, "policy");
2165 int has_index = qdict_haskey(qdict, "index");
2166 int index = qdict_get_try_int(qdict, "index", -1);
2167 qemu_acl *acl = find_acl(mon, aclname);
2168 int deny, ret;
2170 if (acl) {
2171 if (strcmp(policy, "allow") == 0) {
2172 deny = 0;
2173 } else if (strcmp(policy, "deny") == 0) {
2174 deny = 1;
2175 } else {
2176 monitor_printf(mon, "acl: unknown policy '%s', "
2177 "expected 'deny' or 'allow'\n", policy);
2178 return;
2180 if (has_index)
2181 ret = qemu_acl_insert(acl, deny, match, index);
2182 else
2183 ret = qemu_acl_append(acl, deny, match);
2184 if (ret < 0)
2185 monitor_printf(mon, "acl: unable to add acl entry\n");
2186 else
2187 monitor_printf(mon, "acl: added rule at position %d\n", ret);
2191 static void do_acl_remove(Monitor *mon, const QDict *qdict)
2193 const char *aclname = qdict_get_str(qdict, "aclname");
2194 const char *match = qdict_get_str(qdict, "match");
2195 qemu_acl *acl = find_acl(mon, aclname);
2196 int ret;
2198 if (acl) {
2199 ret = qemu_acl_remove(acl, match);
2200 if (ret < 0)
2201 monitor_printf(mon, "acl: no matching acl entry\n");
2202 else
2203 monitor_printf(mon, "acl: removed rule at position %d\n", ret);
2207 #if defined(TARGET_I386)
2208 static void do_inject_mce(Monitor *mon, const QDict *qdict)
2210 CPUState *cenv;
2211 int cpu_index = qdict_get_int(qdict, "cpu_index");
2212 int bank = qdict_get_int(qdict, "bank");
2213 uint64_t status = qdict_get_int(qdict, "status");
2214 uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
2215 uint64_t addr = qdict_get_int(qdict, "addr");
2216 uint64_t misc = qdict_get_int(qdict, "misc");
2218 for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu)
2219 if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
2220 cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
2221 break;
2224 #endif
2226 static void do_getfd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2228 const char *fdname = qdict_get_str(qdict, "fdname");
2229 mon_fd_t *monfd;
2230 int fd;
2232 fd = qemu_chr_get_msgfd(mon->chr);
2233 if (fd == -1) {
2234 qemu_error_new(QERR_FD_NOT_SUPPLIED);
2235 return;
2238 if (qemu_isdigit(fdname[0])) {
2239 qemu_error_new(QERR_INVALID_PARAMETER, "fdname");
2240 return;
2243 fd = dup(fd);
2244 if (fd == -1) {
2245 if (errno == EMFILE)
2246 qemu_error_new(QERR_TOO_MANY_FILES);
2247 else
2248 qemu_error_new(QERR_UNDEFINED_ERROR);
2249 return;
2252 QLIST_FOREACH(monfd, &mon->fds, next) {
2253 if (strcmp(monfd->name, fdname) != 0) {
2254 continue;
2257 close(monfd->fd);
2258 monfd->fd = fd;
2259 return;
2262 monfd = qemu_mallocz(sizeof(mon_fd_t));
2263 monfd->name = qemu_strdup(fdname);
2264 monfd->fd = fd;
2266 QLIST_INSERT_HEAD(&mon->fds, monfd, next);
2269 static void do_closefd(Monitor *mon, const QDict *qdict, QObject **ret_data)
2271 const char *fdname = qdict_get_str(qdict, "fdname");
2272 mon_fd_t *monfd;
2274 QLIST_FOREACH(monfd, &mon->fds, next) {
2275 if (strcmp(monfd->name, fdname) != 0) {
2276 continue;
2279 QLIST_REMOVE(monfd, next);
2280 close(monfd->fd);
2281 qemu_free(monfd->name);
2282 qemu_free(monfd);
2283 return;
2286 qemu_error_new(QERR_FD_NOT_FOUND, fdname);
2289 static void do_loadvm(Monitor *mon, const QDict *qdict)
2291 int saved_vm_running = vm_running;
2292 const char *name = qdict_get_str(qdict, "name");
2294 vm_stop(0);
2296 if (load_vmstate(mon, name) >= 0 && saved_vm_running)
2297 vm_start();
2300 int monitor_get_fd(Monitor *mon, const char *fdname)
2302 mon_fd_t *monfd;
2304 QLIST_FOREACH(monfd, &mon->fds, next) {
2305 int fd;
2307 if (strcmp(monfd->name, fdname) != 0) {
2308 continue;
2311 fd = monfd->fd;
2313 /* caller takes ownership of fd */
2314 QLIST_REMOVE(monfd, next);
2315 qemu_free(monfd->name);
2316 qemu_free(monfd);
2318 return fd;
2321 return -1;
2324 static const mon_cmd_t mon_cmds[] = {
2325 #include "qemu-monitor.h"
2326 { NULL, NULL, },
2329 /* Please update qemu-monitor.hx when adding or changing commands */
2330 static const mon_cmd_t info_cmds[] = {
2332 .name = "version",
2333 .args_type = "",
2334 .params = "",
2335 .help = "show the version of QEMU",
2336 .user_print = do_info_version_print,
2337 .mhandler.info_new = do_info_version,
2340 .name = "commands",
2341 .args_type = "",
2342 .params = "",
2343 .help = "list QMP available commands",
2344 .user_print = monitor_user_noop,
2345 .mhandler.info_new = do_info_commands,
2348 .name = "network",
2349 .args_type = "",
2350 .params = "",
2351 .help = "show the network state",
2352 .mhandler.info = do_info_network,
2355 .name = "chardev",
2356 .args_type = "",
2357 .params = "",
2358 .help = "show the character devices",
2359 .mhandler.info = qemu_chr_info,
2362 .name = "block",
2363 .args_type = "",
2364 .params = "",
2365 .help = "show the block devices",
2366 .user_print = bdrv_info_print,
2367 .mhandler.info_new = bdrv_info,
2370 .name = "blockstats",
2371 .args_type = "",
2372 .params = "",
2373 .help = "show block device statistics",
2374 .user_print = bdrv_stats_print,
2375 .mhandler.info_new = bdrv_info_stats,
2378 .name = "registers",
2379 .args_type = "",
2380 .params = "",
2381 .help = "show the cpu registers",
2382 .mhandler.info = do_info_registers,
2385 .name = "cpus",
2386 .args_type = "",
2387 .params = "",
2388 .help = "show infos for each CPU",
2389 .user_print = monitor_print_cpus,
2390 .mhandler.info_new = do_info_cpus,
2393 .name = "history",
2394 .args_type = "",
2395 .params = "",
2396 .help = "show the command line history",
2397 .mhandler.info = do_info_history,
2400 .name = "irq",
2401 .args_type = "",
2402 .params = "",
2403 .help = "show the interrupts statistics (if available)",
2404 .mhandler.info = irq_info,
2407 .name = "pic",
2408 .args_type = "",
2409 .params = "",
2410 .help = "show i8259 (PIC) state",
2411 .mhandler.info = pic_info,
2414 .name = "pci",
2415 .args_type = "",
2416 .params = "",
2417 .help = "show PCI info",
2418 .mhandler.info = pci_info,
2420 #if defined(TARGET_I386) || defined(TARGET_SH4)
2422 .name = "tlb",
2423 .args_type = "",
2424 .params = "",
2425 .help = "show virtual to physical memory mappings",
2426 .mhandler.info = tlb_info,
2428 #endif
2429 #if defined(TARGET_I386)
2431 .name = "mem",
2432 .args_type = "",
2433 .params = "",
2434 .help = "show the active virtual memory mappings",
2435 .mhandler.info = mem_info,
2438 .name = "hpet",
2439 .args_type = "",
2440 .params = "",
2441 .help = "show state of HPET",
2442 .user_print = do_info_hpet_print,
2443 .mhandler.info_new = do_info_hpet,
2445 #endif
2447 .name = "jit",
2448 .args_type = "",
2449 .params = "",
2450 .help = "show dynamic compiler info",
2451 .mhandler.info = do_info_jit,
2454 .name = "kvm",
2455 .args_type = "",
2456 .params = "",
2457 .help = "show KVM information",
2458 .user_print = do_info_kvm_print,
2459 .mhandler.info_new = do_info_kvm,
2462 .name = "numa",
2463 .args_type = "",
2464 .params = "",
2465 .help = "show NUMA information",
2466 .mhandler.info = do_info_numa,
2469 .name = "usb",
2470 .args_type = "",
2471 .params = "",
2472 .help = "show guest USB devices",
2473 .mhandler.info = usb_info,
2476 .name = "usbhost",
2477 .args_type = "",
2478 .params = "",
2479 .help = "show host USB devices",
2480 .mhandler.info = usb_host_info,
2483 .name = "profile",
2484 .args_type = "",
2485 .params = "",
2486 .help = "show profiling information",
2487 .mhandler.info = do_info_profile,
2490 .name = "capture",
2491 .args_type = "",
2492 .params = "",
2493 .help = "show capture information",
2494 .mhandler.info = do_info_capture,
2497 .name = "snapshots",
2498 .args_type = "",
2499 .params = "",
2500 .help = "show the currently saved VM snapshots",
2501 .mhandler.info = do_info_snapshots,
2504 .name = "status",
2505 .args_type = "",
2506 .params = "",
2507 .help = "show the current VM status (running|paused)",
2508 .user_print = do_info_status_print,
2509 .mhandler.info_new = do_info_status,
2512 .name = "pcmcia",
2513 .args_type = "",
2514 .params = "",
2515 .help = "show guest PCMCIA status",
2516 .mhandler.info = pcmcia_info,
2519 .name = "mice",
2520 .args_type = "",
2521 .params = "",
2522 .help = "show which guest mouse is receiving events",
2523 .user_print = do_info_mice_print,
2524 .mhandler.info_new = do_info_mice,
2527 .name = "vnc",
2528 .args_type = "",
2529 .params = "",
2530 .help = "show the vnc server status",
2531 .mhandler.info = do_info_vnc,
2534 .name = "name",
2535 .args_type = "",
2536 .params = "",
2537 .help = "show the current VM name",
2538 .user_print = do_info_name_print,
2539 .mhandler.info_new = do_info_name,
2542 .name = "uuid",
2543 .args_type = "",
2544 .params = "",
2545 .help = "show the current VM UUID",
2546 .user_print = do_info_uuid_print,
2547 .mhandler.info_new = do_info_uuid,
2549 #if defined(TARGET_PPC)
2551 .name = "cpustats",
2552 .args_type = "",
2553 .params = "",
2554 .help = "show CPU statistics",
2555 .mhandler.info = do_info_cpu_stats,
2557 #endif
2558 #if defined(CONFIG_SLIRP)
2560 .name = "usernet",
2561 .args_type = "",
2562 .params = "",
2563 .help = "show user network stack connection states",
2564 .mhandler.info = do_info_usernet,
2566 #endif
2568 .name = "migrate",
2569 .args_type = "",
2570 .params = "",
2571 .help = "show migration status",
2572 .user_print = do_info_migrate_print,
2573 .mhandler.info_new = do_info_migrate,
2576 .name = "balloon",
2577 .args_type = "",
2578 .params = "",
2579 .help = "show balloon information",
2580 .user_print = monitor_print_balloon,
2581 .mhandler.info_new = do_info_balloon,
2584 .name = "qtree",
2585 .args_type = "",
2586 .params = "",
2587 .help = "show device tree",
2588 .mhandler.info = do_info_qtree,
2591 .name = "qdm",
2592 .args_type = "",
2593 .params = "",
2594 .help = "show qdev device model list",
2595 .mhandler.info = do_info_qdm,
2598 .name = "roms",
2599 .args_type = "",
2600 .params = "",
2601 .help = "show roms",
2602 .mhandler.info = do_info_roms,
2605 .name = NULL,
2609 /*******************************************************************/
2611 static const char *pch;
2612 static jmp_buf expr_env;
2614 #define MD_TLONG 0
2615 #define MD_I32 1
2617 typedef struct MonitorDef {
2618 const char *name;
2619 int offset;
2620 target_long (*get_value)(const struct MonitorDef *md, int val);
2621 int type;
2622 } MonitorDef;
2624 #if defined(TARGET_I386)
2625 static target_long monitor_get_pc (const struct MonitorDef *md, int val)
2627 CPUState *env = mon_get_cpu();
2628 if (!env)
2629 return 0;
2630 return env->eip + env->segs[R_CS].base;
2632 #endif
2634 #if defined(TARGET_PPC)
2635 static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2637 CPUState *env = mon_get_cpu();
2638 unsigned int u;
2639 int i;
2641 if (!env)
2642 return 0;
2644 u = 0;
2645 for (i = 0; i < 8; i++)
2646 u |= env->crf[i] << (32 - (4 * i));
2648 return u;
2651 static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2653 CPUState *env = mon_get_cpu();
2654 if (!env)
2655 return 0;
2656 return env->msr;
2659 static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2661 CPUState *env = mon_get_cpu();
2662 if (!env)
2663 return 0;
2664 return env->xer;
2667 static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2669 CPUState *env = mon_get_cpu();
2670 if (!env)
2671 return 0;
2672 return cpu_ppc_load_decr(env);
2675 static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
2677 CPUState *env = mon_get_cpu();
2678 if (!env)
2679 return 0;
2680 return cpu_ppc_load_tbu(env);
2683 static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2685 CPUState *env = mon_get_cpu();
2686 if (!env)
2687 return 0;
2688 return cpu_ppc_load_tbl(env);
2690 #endif
2692 #if defined(TARGET_SPARC)
2693 #ifndef TARGET_SPARC64
2694 static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2696 CPUState *env = mon_get_cpu();
2697 if (!env)
2698 return 0;
2699 return GET_PSR(env);
2701 #endif
2703 static target_long monitor_get_reg(const struct MonitorDef *md, int val)
2705 CPUState *env = mon_get_cpu();
2706 if (!env)
2707 return 0;
2708 return env->regwptr[val];
2710 #endif
2712 static const MonitorDef monitor_defs[] = {
2713 #ifdef TARGET_I386
2715 #define SEG(name, seg) \
2716 { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
2717 { name ".base", offsetof(CPUState, segs[seg].base) },\
2718 { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
2720 { "eax", offsetof(CPUState, regs[0]) },
2721 { "ecx", offsetof(CPUState, regs[1]) },
2722 { "edx", offsetof(CPUState, regs[2]) },
2723 { "ebx", offsetof(CPUState, regs[3]) },
2724 { "esp|sp", offsetof(CPUState, regs[4]) },
2725 { "ebp|fp", offsetof(CPUState, regs[5]) },
2726 { "esi", offsetof(CPUState, regs[6]) },
2727 { "edi", offsetof(CPUState, regs[7]) },
2728 #ifdef TARGET_X86_64
2729 { "r8", offsetof(CPUState, regs[8]) },
2730 { "r9", offsetof(CPUState, regs[9]) },
2731 { "r10", offsetof(CPUState, regs[10]) },
2732 { "r11", offsetof(CPUState, regs[11]) },
2733 { "r12", offsetof(CPUState, regs[12]) },
2734 { "r13", offsetof(CPUState, regs[13]) },
2735 { "r14", offsetof(CPUState, regs[14]) },
2736 { "r15", offsetof(CPUState, regs[15]) },
2737 #endif
2738 { "eflags", offsetof(CPUState, eflags) },
2739 { "eip", offsetof(CPUState, eip) },
2740 SEG("cs", R_CS)
2741 SEG("ds", R_DS)
2742 SEG("es", R_ES)
2743 SEG("ss", R_SS)
2744 SEG("fs", R_FS)
2745 SEG("gs", R_GS)
2746 { "pc", 0, monitor_get_pc, },
2747 #elif defined(TARGET_PPC)
2748 /* General purpose registers */
2749 { "r0", offsetof(CPUState, gpr[0]) },
2750 { "r1", offsetof(CPUState, gpr[1]) },
2751 { "r2", offsetof(CPUState, gpr[2]) },
2752 { "r3", offsetof(CPUState, gpr[3]) },
2753 { "r4", offsetof(CPUState, gpr[4]) },
2754 { "r5", offsetof(CPUState, gpr[5]) },
2755 { "r6", offsetof(CPUState, gpr[6]) },
2756 { "r7", offsetof(CPUState, gpr[7]) },
2757 { "r8", offsetof(CPUState, gpr[8]) },
2758 { "r9", offsetof(CPUState, gpr[9]) },
2759 { "r10", offsetof(CPUState, gpr[10]) },
2760 { "r11", offsetof(CPUState, gpr[11]) },
2761 { "r12", offsetof(CPUState, gpr[12]) },
2762 { "r13", offsetof(CPUState, gpr[13]) },
2763 { "r14", offsetof(CPUState, gpr[14]) },
2764 { "r15", offsetof(CPUState, gpr[15]) },
2765 { "r16", offsetof(CPUState, gpr[16]) },
2766 { "r17", offsetof(CPUState, gpr[17]) },
2767 { "r18", offsetof(CPUState, gpr[18]) },
2768 { "r19", offsetof(CPUState, gpr[19]) },
2769 { "r20", offsetof(CPUState, gpr[20]) },
2770 { "r21", offsetof(CPUState, gpr[21]) },
2771 { "r22", offsetof(CPUState, gpr[22]) },
2772 { "r23", offsetof(CPUState, gpr[23]) },
2773 { "r24", offsetof(CPUState, gpr[24]) },
2774 { "r25", offsetof(CPUState, gpr[25]) },
2775 { "r26", offsetof(CPUState, gpr[26]) },
2776 { "r27", offsetof(CPUState, gpr[27]) },
2777 { "r28", offsetof(CPUState, gpr[28]) },
2778 { "r29", offsetof(CPUState, gpr[29]) },
2779 { "r30", offsetof(CPUState, gpr[30]) },
2780 { "r31", offsetof(CPUState, gpr[31]) },
2781 /* Floating point registers */
2782 { "f0", offsetof(CPUState, fpr[0]) },
2783 { "f1", offsetof(CPUState, fpr[1]) },
2784 { "f2", offsetof(CPUState, fpr[2]) },
2785 { "f3", offsetof(CPUState, fpr[3]) },
2786 { "f4", offsetof(CPUState, fpr[4]) },
2787 { "f5", offsetof(CPUState, fpr[5]) },
2788 { "f6", offsetof(CPUState, fpr[6]) },
2789 { "f7", offsetof(CPUState, fpr[7]) },
2790 { "f8", offsetof(CPUState, fpr[8]) },
2791 { "f9", offsetof(CPUState, fpr[9]) },
2792 { "f10", offsetof(CPUState, fpr[10]) },
2793 { "f11", offsetof(CPUState, fpr[11]) },
2794 { "f12", offsetof(CPUState, fpr[12]) },
2795 { "f13", offsetof(CPUState, fpr[13]) },
2796 { "f14", offsetof(CPUState, fpr[14]) },
2797 { "f15", offsetof(CPUState, fpr[15]) },
2798 { "f16", offsetof(CPUState, fpr[16]) },
2799 { "f17", offsetof(CPUState, fpr[17]) },
2800 { "f18", offsetof(CPUState, fpr[18]) },
2801 { "f19", offsetof(CPUState, fpr[19]) },
2802 { "f20", offsetof(CPUState, fpr[20]) },
2803 { "f21", offsetof(CPUState, fpr[21]) },
2804 { "f22", offsetof(CPUState, fpr[22]) },
2805 { "f23", offsetof(CPUState, fpr[23]) },
2806 { "f24", offsetof(CPUState, fpr[24]) },
2807 { "f25", offsetof(CPUState, fpr[25]) },
2808 { "f26", offsetof(CPUState, fpr[26]) },
2809 { "f27", offsetof(CPUState, fpr[27]) },
2810 { "f28", offsetof(CPUState, fpr[28]) },
2811 { "f29", offsetof(CPUState, fpr[29]) },
2812 { "f30", offsetof(CPUState, fpr[30]) },
2813 { "f31", offsetof(CPUState, fpr[31]) },
2814 { "fpscr", offsetof(CPUState, fpscr) },
2815 /* Next instruction pointer */
2816 { "nip|pc", offsetof(CPUState, nip) },
2817 { "lr", offsetof(CPUState, lr) },
2818 { "ctr", offsetof(CPUState, ctr) },
2819 { "decr", 0, &monitor_get_decr, },
2820 { "ccr", 0, &monitor_get_ccr, },
2821 /* Machine state register */
2822 { "msr", 0, &monitor_get_msr, },
2823 { "xer", 0, &monitor_get_xer, },
2824 { "tbu", 0, &monitor_get_tbu, },
2825 { "tbl", 0, &monitor_get_tbl, },
2826 #if defined(TARGET_PPC64)
2827 /* Address space register */
2828 { "asr", offsetof(CPUState, asr) },
2829 #endif
2830 /* Segment registers */
2831 { "sdr1", offsetof(CPUState, sdr1) },
2832 { "sr0", offsetof(CPUState, sr[0]) },
2833 { "sr1", offsetof(CPUState, sr[1]) },
2834 { "sr2", offsetof(CPUState, sr[2]) },
2835 { "sr3", offsetof(CPUState, sr[3]) },
2836 { "sr4", offsetof(CPUState, sr[4]) },
2837 { "sr5", offsetof(CPUState, sr[5]) },
2838 { "sr6", offsetof(CPUState, sr[6]) },
2839 { "sr7", offsetof(CPUState, sr[7]) },
2840 { "sr8", offsetof(CPUState, sr[8]) },
2841 { "sr9", offsetof(CPUState, sr[9]) },
2842 { "sr10", offsetof(CPUState, sr[10]) },
2843 { "sr11", offsetof(CPUState, sr[11]) },
2844 { "sr12", offsetof(CPUState, sr[12]) },
2845 { "sr13", offsetof(CPUState, sr[13]) },
2846 { "sr14", offsetof(CPUState, sr[14]) },
2847 { "sr15", offsetof(CPUState, sr[15]) },
2848 /* Too lazy to put BATs and SPRs ... */
2849 #elif defined(TARGET_SPARC)
2850 { "g0", offsetof(CPUState, gregs[0]) },
2851 { "g1", offsetof(CPUState, gregs[1]) },
2852 { "g2", offsetof(CPUState, gregs[2]) },
2853 { "g3", offsetof(CPUState, gregs[3]) },
2854 { "g4", offsetof(CPUState, gregs[4]) },
2855 { "g5", offsetof(CPUState, gregs[5]) },
2856 { "g6", offsetof(CPUState, gregs[6]) },
2857 { "g7", offsetof(CPUState, gregs[7]) },
2858 { "o0", 0, monitor_get_reg },
2859 { "o1", 1, monitor_get_reg },
2860 { "o2", 2, monitor_get_reg },
2861 { "o3", 3, monitor_get_reg },
2862 { "o4", 4, monitor_get_reg },
2863 { "o5", 5, monitor_get_reg },
2864 { "o6", 6, monitor_get_reg },
2865 { "o7", 7, monitor_get_reg },
2866 { "l0", 8, monitor_get_reg },
2867 { "l1", 9, monitor_get_reg },
2868 { "l2", 10, monitor_get_reg },
2869 { "l3", 11, monitor_get_reg },
2870 { "l4", 12, monitor_get_reg },
2871 { "l5", 13, monitor_get_reg },
2872 { "l6", 14, monitor_get_reg },
2873 { "l7", 15, monitor_get_reg },
2874 { "i0", 16, monitor_get_reg },
2875 { "i1", 17, monitor_get_reg },
2876 { "i2", 18, monitor_get_reg },
2877 { "i3", 19, monitor_get_reg },
2878 { "i4", 20, monitor_get_reg },
2879 { "i5", 21, monitor_get_reg },
2880 { "i6", 22, monitor_get_reg },
2881 { "i7", 23, monitor_get_reg },
2882 { "pc", offsetof(CPUState, pc) },
2883 { "npc", offsetof(CPUState, npc) },
2884 { "y", offsetof(CPUState, y) },
2885 #ifndef TARGET_SPARC64
2886 { "psr", 0, &monitor_get_psr, },
2887 { "wim", offsetof(CPUState, wim) },
2888 #endif
2889 { "tbr", offsetof(CPUState, tbr) },
2890 { "fsr", offsetof(CPUState, fsr) },
2891 { "f0", offsetof(CPUState, fpr[0]) },
2892 { "f1", offsetof(CPUState, fpr[1]) },
2893 { "f2", offsetof(CPUState, fpr[2]) },
2894 { "f3", offsetof(CPUState, fpr[3]) },
2895 { "f4", offsetof(CPUState, fpr[4]) },
2896 { "f5", offsetof(CPUState, fpr[5]) },
2897 { "f6", offsetof(CPUState, fpr[6]) },
2898 { "f7", offsetof(CPUState, fpr[7]) },
2899 { "f8", offsetof(CPUState, fpr[8]) },
2900 { "f9", offsetof(CPUState, fpr[9]) },
2901 { "f10", offsetof(CPUState, fpr[10]) },
2902 { "f11", offsetof(CPUState, fpr[11]) },
2903 { "f12", offsetof(CPUState, fpr[12]) },
2904 { "f13", offsetof(CPUState, fpr[13]) },
2905 { "f14", offsetof(CPUState, fpr[14]) },
2906 { "f15", offsetof(CPUState, fpr[15]) },
2907 { "f16", offsetof(CPUState, fpr[16]) },
2908 { "f17", offsetof(CPUState, fpr[17]) },
2909 { "f18", offsetof(CPUState, fpr[18]) },
2910 { "f19", offsetof(CPUState, fpr[19]) },
2911 { "f20", offsetof(CPUState, fpr[20]) },
2912 { "f21", offsetof(CPUState, fpr[21]) },
2913 { "f22", offsetof(CPUState, fpr[22]) },
2914 { "f23", offsetof(CPUState, fpr[23]) },
2915 { "f24", offsetof(CPUState, fpr[24]) },
2916 { "f25", offsetof(CPUState, fpr[25]) },
2917 { "f26", offsetof(CPUState, fpr[26]) },
2918 { "f27", offsetof(CPUState, fpr[27]) },
2919 { "f28", offsetof(CPUState, fpr[28]) },
2920 { "f29", offsetof(CPUState, fpr[29]) },
2921 { "f30", offsetof(CPUState, fpr[30]) },
2922 { "f31", offsetof(CPUState, fpr[31]) },
2923 #ifdef TARGET_SPARC64
2924 { "f32", offsetof(CPUState, fpr[32]) },
2925 { "f34", offsetof(CPUState, fpr[34]) },
2926 { "f36", offsetof(CPUState, fpr[36]) },
2927 { "f38", offsetof(CPUState, fpr[38]) },
2928 { "f40", offsetof(CPUState, fpr[40]) },
2929 { "f42", offsetof(CPUState, fpr[42]) },
2930 { "f44", offsetof(CPUState, fpr[44]) },
2931 { "f46", offsetof(CPUState, fpr[46]) },
2932 { "f48", offsetof(CPUState, fpr[48]) },
2933 { "f50", offsetof(CPUState, fpr[50]) },
2934 { "f52", offsetof(CPUState, fpr[52]) },
2935 { "f54", offsetof(CPUState, fpr[54]) },
2936 { "f56", offsetof(CPUState, fpr[56]) },
2937 { "f58", offsetof(CPUState, fpr[58]) },
2938 { "f60", offsetof(CPUState, fpr[60]) },
2939 { "f62", offsetof(CPUState, fpr[62]) },
2940 { "asi", offsetof(CPUState, asi) },
2941 { "pstate", offsetof(CPUState, pstate) },
2942 { "cansave", offsetof(CPUState, cansave) },
2943 { "canrestore", offsetof(CPUState, canrestore) },
2944 { "otherwin", offsetof(CPUState, otherwin) },
2945 { "wstate", offsetof(CPUState, wstate) },
2946 { "cleanwin", offsetof(CPUState, cleanwin) },
2947 { "fprs", offsetof(CPUState, fprs) },
2948 #endif
2949 #endif
2950 { NULL },
2953 static void expr_error(Monitor *mon, const char *msg)
2955 monitor_printf(mon, "%s\n", msg);
2956 longjmp(expr_env, 1);
2959 /* return 0 if OK, -1 if not found, -2 if no CPU defined */
2960 static int get_monitor_def(target_long *pval, const char *name)
2962 const MonitorDef *md;
2963 void *ptr;
2965 for(md = monitor_defs; md->name != NULL; md++) {
2966 if (compare_cmd(name, md->name)) {
2967 if (md->get_value) {
2968 *pval = md->get_value(md, md->offset);
2969 } else {
2970 CPUState *env = mon_get_cpu();
2971 if (!env)
2972 return -2;
2973 ptr = (uint8_t *)env + md->offset;
2974 switch(md->type) {
2975 case MD_I32:
2976 *pval = *(int32_t *)ptr;
2977 break;
2978 case MD_TLONG:
2979 *pval = *(target_long *)ptr;
2980 break;
2981 default:
2982 *pval = 0;
2983 break;
2986 return 0;
2989 return -1;
2992 static void next(void)
2994 if (*pch != '\0') {
2995 pch++;
2996 while (qemu_isspace(*pch))
2997 pch++;
3001 static int64_t expr_sum(Monitor *mon);
3003 static int64_t expr_unary(Monitor *mon)
3005 int64_t n;
3006 char *p;
3007 int ret;
3009 switch(*pch) {
3010 case '+':
3011 next();
3012 n = expr_unary(mon);
3013 break;
3014 case '-':
3015 next();
3016 n = -expr_unary(mon);
3017 break;
3018 case '~':
3019 next();
3020 n = ~expr_unary(mon);
3021 break;
3022 case '(':
3023 next();
3024 n = expr_sum(mon);
3025 if (*pch != ')') {
3026 expr_error(mon, "')' expected");
3028 next();
3029 break;
3030 case '\'':
3031 pch++;
3032 if (*pch == '\0')
3033 expr_error(mon, "character constant expected");
3034 n = *pch;
3035 pch++;
3036 if (*pch != '\'')
3037 expr_error(mon, "missing terminating \' character");
3038 next();
3039 break;
3040 case '$':
3042 char buf[128], *q;
3043 target_long reg=0;
3045 pch++;
3046 q = buf;
3047 while ((*pch >= 'a' && *pch <= 'z') ||
3048 (*pch >= 'A' && *pch <= 'Z') ||
3049 (*pch >= '0' && *pch <= '9') ||
3050 *pch == '_' || *pch == '.') {
3051 if ((q - buf) < sizeof(buf) - 1)
3052 *q++ = *pch;
3053 pch++;
3055 while (qemu_isspace(*pch))
3056 pch++;
3057 *q = 0;
3058 ret = get_monitor_def(&reg, buf);
3059 if (ret == -1)
3060 expr_error(mon, "unknown register");
3061 else if (ret == -2)
3062 expr_error(mon, "no cpu defined");
3063 n = reg;
3065 break;
3066 case '\0':
3067 expr_error(mon, "unexpected end of expression");
3068 n = 0;
3069 break;
3070 default:
3071 #if TARGET_PHYS_ADDR_BITS > 32
3072 n = strtoull(pch, &p, 0);
3073 #else
3074 n = strtoul(pch, &p, 0);
3075 #endif
3076 if (pch == p) {
3077 expr_error(mon, "invalid char in expression");
3079 pch = p;
3080 while (qemu_isspace(*pch))
3081 pch++;
3082 break;
3084 return n;
3088 static int64_t expr_prod(Monitor *mon)
3090 int64_t val, val2;
3091 int op;
3093 val = expr_unary(mon);
3094 for(;;) {
3095 op = *pch;
3096 if (op != '*' && op != '/' && op != '%')
3097 break;
3098 next();
3099 val2 = expr_unary(mon);
3100 switch(op) {
3101 default:
3102 case '*':
3103 val *= val2;
3104 break;
3105 case '/':
3106 case '%':
3107 if (val2 == 0)
3108 expr_error(mon, "division by zero");
3109 if (op == '/')
3110 val /= val2;
3111 else
3112 val %= val2;
3113 break;
3116 return val;
3119 static int64_t expr_logic(Monitor *mon)
3121 int64_t val, val2;
3122 int op;
3124 val = expr_prod(mon);
3125 for(;;) {
3126 op = *pch;
3127 if (op != '&' && op != '|' && op != '^')
3128 break;
3129 next();
3130 val2 = expr_prod(mon);
3131 switch(op) {
3132 default:
3133 case '&':
3134 val &= val2;
3135 break;
3136 case '|':
3137 val |= val2;
3138 break;
3139 case '^':
3140 val ^= val2;
3141 break;
3144 return val;
3147 static int64_t expr_sum(Monitor *mon)
3149 int64_t val, val2;
3150 int op;
3152 val = expr_logic(mon);
3153 for(;;) {
3154 op = *pch;
3155 if (op != '+' && op != '-')
3156 break;
3157 next();
3158 val2 = expr_logic(mon);
3159 if (op == '+')
3160 val += val2;
3161 else
3162 val -= val2;
3164 return val;
3167 static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
3169 pch = *pp;
3170 if (setjmp(expr_env)) {
3171 *pp = pch;
3172 return -1;
3174 while (qemu_isspace(*pch))
3175 pch++;
3176 *pval = expr_sum(mon);
3177 *pp = pch;
3178 return 0;
3181 static int get_str(char *buf, int buf_size, const char **pp)
3183 const char *p;
3184 char *q;
3185 int c;
3187 q = buf;
3188 p = *pp;
3189 while (qemu_isspace(*p))
3190 p++;
3191 if (*p == '\0') {
3192 fail:
3193 *q = '\0';
3194 *pp = p;
3195 return -1;
3197 if (*p == '\"') {
3198 p++;
3199 while (*p != '\0' && *p != '\"') {
3200 if (*p == '\\') {
3201 p++;
3202 c = *p++;
3203 switch(c) {
3204 case 'n':
3205 c = '\n';
3206 break;
3207 case 'r':
3208 c = '\r';
3209 break;
3210 case '\\':
3211 case '\'':
3212 case '\"':
3213 break;
3214 default:
3215 qemu_printf("unsupported escape code: '\\%c'\n", c);
3216 goto fail;
3218 if ((q - buf) < buf_size - 1) {
3219 *q++ = c;
3221 } else {
3222 if ((q - buf) < buf_size - 1) {
3223 *q++ = *p;
3225 p++;
3228 if (*p != '\"') {
3229 qemu_printf("unterminated string\n");
3230 goto fail;
3232 p++;
3233 } else {
3234 while (*p != '\0' && !qemu_isspace(*p)) {
3235 if ((q - buf) < buf_size - 1) {
3236 *q++ = *p;
3238 p++;
3241 *q = '\0';
3242 *pp = p;
3243 return 0;
3247 * Store the command-name in cmdname, and return a pointer to
3248 * the remaining of the command string.
3250 static const char *get_command_name(const char *cmdline,
3251 char *cmdname, size_t nlen)
3253 size_t len;
3254 const char *p, *pstart;
3256 p = cmdline;
3257 while (qemu_isspace(*p))
3258 p++;
3259 if (*p == '\0')
3260 return NULL;
3261 pstart = p;
3262 while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
3263 p++;
3264 len = p - pstart;
3265 if (len > nlen - 1)
3266 len = nlen - 1;
3267 memcpy(cmdname, pstart, len);
3268 cmdname[len] = '\0';
3269 return p;
3273 * Read key of 'type' into 'key' and return the current
3274 * 'type' pointer.
3276 static char *key_get_info(const char *type, char **key)
3278 size_t len;
3279 char *p, *str;
3281 if (*type == ',')
3282 type++;
3284 p = strchr(type, ':');
3285 if (!p) {
3286 *key = NULL;
3287 return NULL;
3289 len = p - type;
3291 str = qemu_malloc(len + 1);
3292 memcpy(str, type, len);
3293 str[len] = '\0';
3295 *key = str;
3296 return ++p;
3299 static int default_fmt_format = 'x';
3300 static int default_fmt_size = 4;
3302 #define MAX_ARGS 16
3304 static int is_valid_option(const char *c, const char *typestr)
3306 char option[3];
3308 option[0] = '-';
3309 option[1] = *c;
3310 option[2] = '\0';
3312 typestr = strstr(typestr, option);
3313 return (typestr != NULL);
3316 static const mon_cmd_t *monitor_find_command(const char *cmdname)
3318 const mon_cmd_t *cmd;
3320 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3321 if (compare_cmd(cmdname, cmd->name)) {
3322 return cmd;
3326 return NULL;
3329 static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3330 const char *cmdline,
3331 QDict *qdict)
3333 const char *p, *typestr;
3334 int c;
3335 const mon_cmd_t *cmd;
3336 char cmdname[256];
3337 char buf[1024];
3338 char *key;
3340 #ifdef DEBUG
3341 monitor_printf(mon, "command='%s'\n", cmdline);
3342 #endif
3344 /* extract the command name */
3345 p = get_command_name(cmdline, cmdname, sizeof(cmdname));
3346 if (!p)
3347 return NULL;
3349 cmd = monitor_find_command(cmdname);
3350 if (!cmd) {
3351 monitor_printf(mon, "unknown command: '%s'\n", cmdname);
3352 return NULL;
3355 /* parse the parameters */
3356 typestr = cmd->args_type;
3357 for(;;) {
3358 typestr = key_get_info(typestr, &key);
3359 if (!typestr)
3360 break;
3361 c = *typestr;
3362 typestr++;
3363 switch(c) {
3364 case 'F':
3365 case 'B':
3366 case 's':
3368 int ret;
3370 while (qemu_isspace(*p))
3371 p++;
3372 if (*typestr == '?') {
3373 typestr++;
3374 if (*p == '\0') {
3375 /* no optional string: NULL argument */
3376 break;
3379 ret = get_str(buf, sizeof(buf), &p);
3380 if (ret < 0) {
3381 switch(c) {
3382 case 'F':
3383 monitor_printf(mon, "%s: filename expected\n",
3384 cmdname);
3385 break;
3386 case 'B':
3387 monitor_printf(mon, "%s: block device name expected\n",
3388 cmdname);
3389 break;
3390 default:
3391 monitor_printf(mon, "%s: string expected\n", cmdname);
3392 break;
3394 goto fail;
3396 qdict_put(qdict, key, qstring_from_str(buf));
3398 break;
3399 case '/':
3401 int count, format, size;
3403 while (qemu_isspace(*p))
3404 p++;
3405 if (*p == '/') {
3406 /* format found */
3407 p++;
3408 count = 1;
3409 if (qemu_isdigit(*p)) {
3410 count = 0;
3411 while (qemu_isdigit(*p)) {
3412 count = count * 10 + (*p - '0');
3413 p++;
3416 size = -1;
3417 format = -1;
3418 for(;;) {
3419 switch(*p) {
3420 case 'o':
3421 case 'd':
3422 case 'u':
3423 case 'x':
3424 case 'i':
3425 case 'c':
3426 format = *p++;
3427 break;
3428 case 'b':
3429 size = 1;
3430 p++;
3431 break;
3432 case 'h':
3433 size = 2;
3434 p++;
3435 break;
3436 case 'w':
3437 size = 4;
3438 p++;
3439 break;
3440 case 'g':
3441 case 'L':
3442 size = 8;
3443 p++;
3444 break;
3445 default:
3446 goto next;
3449 next:
3450 if (*p != '\0' && !qemu_isspace(*p)) {
3451 monitor_printf(mon, "invalid char in format: '%c'\n",
3452 *p);
3453 goto fail;
3455 if (format < 0)
3456 format = default_fmt_format;
3457 if (format != 'i') {
3458 /* for 'i', not specifying a size gives -1 as size */
3459 if (size < 0)
3460 size = default_fmt_size;
3461 default_fmt_size = size;
3463 default_fmt_format = format;
3464 } else {
3465 count = 1;
3466 format = default_fmt_format;
3467 if (format != 'i') {
3468 size = default_fmt_size;
3469 } else {
3470 size = -1;
3473 qdict_put(qdict, "count", qint_from_int(count));
3474 qdict_put(qdict, "format", qint_from_int(format));
3475 qdict_put(qdict, "size", qint_from_int(size));
3477 break;
3478 case 'i':
3479 case 'l':
3481 int64_t val;
3483 while (qemu_isspace(*p))
3484 p++;
3485 if (*typestr == '?' || *typestr == '.') {
3486 if (*typestr == '?') {
3487 if (*p == '\0') {
3488 typestr++;
3489 break;
3491 } else {
3492 if (*p == '.') {
3493 p++;
3494 while (qemu_isspace(*p))
3495 p++;
3496 } else {
3497 typestr++;
3498 break;
3501 typestr++;
3503 if (get_expr(mon, &val, &p))
3504 goto fail;
3505 /* Check if 'i' is greater than 32-bit */
3506 if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
3507 monitor_printf(mon, "\'%s\' has failed: ", cmdname);
3508 monitor_printf(mon, "integer is for 32-bit values\n");
3509 goto fail;
3511 qdict_put(qdict, key, qint_from_int(val));
3513 break;
3514 case '-':
3516 const char *tmp = p;
3517 int has_option, skip_key = 0;
3518 /* option */
3520 c = *typestr++;
3521 if (c == '\0')
3522 goto bad_type;
3523 while (qemu_isspace(*p))
3524 p++;
3525 has_option = 0;
3526 if (*p == '-') {
3527 p++;
3528 if(c != *p) {
3529 if(!is_valid_option(p, typestr)) {
3531 monitor_printf(mon, "%s: unsupported option -%c\n",
3532 cmdname, *p);
3533 goto fail;
3534 } else {
3535 skip_key = 1;
3538 if(skip_key) {
3539 p = tmp;
3540 } else {
3541 p++;
3542 has_option = 1;
3545 qdict_put(qdict, key, qint_from_int(has_option));
3547 break;
3548 default:
3549 bad_type:
3550 monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3551 goto fail;
3553 qemu_free(key);
3554 key = NULL;
3556 /* check that all arguments were parsed */
3557 while (qemu_isspace(*p))
3558 p++;
3559 if (*p != '\0') {
3560 monitor_printf(mon, "%s: extraneous characters at the end of line\n",
3561 cmdname);
3562 goto fail;
3565 return cmd;
3567 fail:
3568 qemu_free(key);
3569 return NULL;
3572 static void monitor_print_error(Monitor *mon)
3574 qerror_print(mon->error);
3575 QDECREF(mon->error);
3576 mon->error = NULL;
3579 static void monitor_call_handler(Monitor *mon, const mon_cmd_t *cmd,
3580 const QDict *params)
3582 QObject *data = NULL;
3584 cmd->mhandler.cmd_new(mon, params, &data);
3586 if (monitor_ctrl_mode(mon)) {
3587 /* Monitor Protocol */
3588 monitor_protocol_emitter(mon, data);
3589 } else {
3590 /* User Protocol */
3591 if (data)
3592 cmd->user_print(mon, data);
3595 qobject_decref(data);
3598 static void handle_user_command(Monitor *mon, const char *cmdline)
3600 QDict *qdict;
3601 const mon_cmd_t *cmd;
3603 qdict = qdict_new();
3605 cmd = monitor_parse_command(mon, cmdline, qdict);
3606 if (!cmd)
3607 goto out;
3609 qemu_errors_to_mon(mon);
3611 if (monitor_handler_ported(cmd)) {
3612 monitor_call_handler(mon, cmd, qdict);
3613 } else {
3614 cmd->mhandler.cmd(mon, qdict);
3617 if (monitor_has_error(mon))
3618 monitor_print_error(mon);
3620 qemu_errors_to_previous();
3622 out:
3623 QDECREF(qdict);
3626 static void cmd_completion(const char *name, const char *list)
3628 const char *p, *pstart;
3629 char cmd[128];
3630 int len;
3632 p = list;
3633 for(;;) {
3634 pstart = p;
3635 p = strchr(p, '|');
3636 if (!p)
3637 p = pstart + strlen(pstart);
3638 len = p - pstart;
3639 if (len > sizeof(cmd) - 2)
3640 len = sizeof(cmd) - 2;
3641 memcpy(cmd, pstart, len);
3642 cmd[len] = '\0';
3643 if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
3644 readline_add_completion(cur_mon->rs, cmd);
3646 if (*p == '\0')
3647 break;
3648 p++;
3652 static void file_completion(const char *input)
3654 DIR *ffs;
3655 struct dirent *d;
3656 char path[1024];
3657 char file[1024], file_prefix[1024];
3658 int input_path_len;
3659 const char *p;
3661 p = strrchr(input, '/');
3662 if (!p) {
3663 input_path_len = 0;
3664 pstrcpy(file_prefix, sizeof(file_prefix), input);
3665 pstrcpy(path, sizeof(path), ".");
3666 } else {
3667 input_path_len = p - input + 1;
3668 memcpy(path, input, input_path_len);
3669 if (input_path_len > sizeof(path) - 1)
3670 input_path_len = sizeof(path) - 1;
3671 path[input_path_len] = '\0';
3672 pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
3674 #ifdef DEBUG_COMPLETION
3675 monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
3676 input, path, file_prefix);
3677 #endif
3678 ffs = opendir(path);
3679 if (!ffs)
3680 return;
3681 for(;;) {
3682 struct stat sb;
3683 d = readdir(ffs);
3684 if (!d)
3685 break;
3686 if (strstart(d->d_name, file_prefix, NULL)) {
3687 memcpy(file, input, input_path_len);
3688 if (input_path_len < sizeof(file))
3689 pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
3690 d->d_name);
3691 /* stat the file to find out if it's a directory.
3692 * In that case add a slash to speed up typing long paths
3694 stat(file, &sb);
3695 if(S_ISDIR(sb.st_mode))
3696 pstrcat(file, sizeof(file), "/");
3697 readline_add_completion(cur_mon->rs, file);
3700 closedir(ffs);
3703 static void block_completion_it(void *opaque, BlockDriverState *bs)
3705 const char *name = bdrv_get_device_name(bs);
3706 const char *input = opaque;
3708 if (input[0] == '\0' ||
3709 !strncmp(name, (char *)input, strlen(input))) {
3710 readline_add_completion(cur_mon->rs, name);
3714 /* NOTE: this parser is an approximate form of the real command parser */
3715 static void parse_cmdline(const char *cmdline,
3716 int *pnb_args, char **args)
3718 const char *p;
3719 int nb_args, ret;
3720 char buf[1024];
3722 p = cmdline;
3723 nb_args = 0;
3724 for(;;) {
3725 while (qemu_isspace(*p))
3726 p++;
3727 if (*p == '\0')
3728 break;
3729 if (nb_args >= MAX_ARGS)
3730 break;
3731 ret = get_str(buf, sizeof(buf), &p);
3732 args[nb_args] = qemu_strdup(buf);
3733 nb_args++;
3734 if (ret < 0)
3735 break;
3737 *pnb_args = nb_args;
3740 static const char *next_arg_type(const char *typestr)
3742 const char *p = strchr(typestr, ':');
3743 return (p != NULL ? ++p : typestr);
3746 static void monitor_find_completion(const char *cmdline)
3748 const char *cmdname;
3749 char *args[MAX_ARGS];
3750 int nb_args, i, len;
3751 const char *ptype, *str;
3752 const mon_cmd_t *cmd;
3753 const KeyDef *key;
3755 parse_cmdline(cmdline, &nb_args, args);
3756 #ifdef DEBUG_COMPLETION
3757 for(i = 0; i < nb_args; i++) {
3758 monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
3760 #endif
3762 /* if the line ends with a space, it means we want to complete the
3763 next arg */
3764 len = strlen(cmdline);
3765 if (len > 0 && qemu_isspace(cmdline[len - 1])) {
3766 if (nb_args >= MAX_ARGS)
3767 return;
3768 args[nb_args++] = qemu_strdup("");
3770 if (nb_args <= 1) {
3771 /* command completion */
3772 if (nb_args == 0)
3773 cmdname = "";
3774 else
3775 cmdname = args[0];
3776 readline_set_completion_index(cur_mon->rs, strlen(cmdname));
3777 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3778 cmd_completion(cmdname, cmd->name);
3780 } else {
3781 /* find the command */
3782 for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
3783 if (compare_cmd(args[0], cmd->name))
3784 goto found;
3786 return;
3787 found:
3788 ptype = next_arg_type(cmd->args_type);
3789 for(i = 0; i < nb_args - 2; i++) {
3790 if (*ptype != '\0') {
3791 ptype = next_arg_type(ptype);
3792 while (*ptype == '?')
3793 ptype = next_arg_type(ptype);
3796 str = args[nb_args - 1];
3797 if (*ptype == '-' && ptype[1] != '\0') {
3798 ptype += 2;
3800 switch(*ptype) {
3801 case 'F':
3802 /* file completion */
3803 readline_set_completion_index(cur_mon->rs, strlen(str));
3804 file_completion(str);
3805 break;
3806 case 'B':
3807 /* block device name completion */
3808 readline_set_completion_index(cur_mon->rs, strlen(str));
3809 bdrv_iterate(block_completion_it, (void *)str);
3810 break;
3811 case 's':
3812 /* XXX: more generic ? */
3813 if (!strcmp(cmd->name, "info")) {
3814 readline_set_completion_index(cur_mon->rs, strlen(str));
3815 for(cmd = info_cmds; cmd->name != NULL; cmd++) {
3816 cmd_completion(str, cmd->name);
3818 } else if (!strcmp(cmd->name, "sendkey")) {
3819 char *sep = strrchr(str, '-');
3820 if (sep)
3821 str = sep + 1;
3822 readline_set_completion_index(cur_mon->rs, strlen(str));
3823 for(key = key_defs; key->name != NULL; key++) {
3824 cmd_completion(str, key->name);
3826 } else if (!strcmp(cmd->name, "help|?")) {
3827 readline_set_completion_index(cur_mon->rs, strlen(str));
3828 for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
3829 cmd_completion(str, cmd->name);
3832 break;
3833 default:
3834 break;
3837 for(i = 0; i < nb_args; i++)
3838 qemu_free(args[i]);
3841 static int monitor_can_read(void *opaque)
3843 Monitor *mon = opaque;
3845 return (mon->suspend_cnt == 0) ? 128 : 0;
3848 typedef struct CmdArgs {
3849 QString *name;
3850 int type;
3851 int flag;
3852 int optional;
3853 } CmdArgs;
3855 static int check_opt(const CmdArgs *cmd_args, const char *name, QDict *args)
3857 if (!cmd_args->optional) {
3858 qemu_error_new(QERR_MISSING_PARAMETER, name);
3859 return -1;
3862 if (cmd_args->type == '-') {
3863 /* handlers expect a value, they need to be changed */
3864 qdict_put(args, name, qint_from_int(0));
3867 return 0;
3870 static int check_arg(const CmdArgs *cmd_args, QDict *args)
3872 QObject *value;
3873 const char *name;
3875 name = qstring_get_str(cmd_args->name);
3877 if (!args) {
3878 return check_opt(cmd_args, name, args);
3881 value = qdict_get(args, name);
3882 if (!value) {
3883 return check_opt(cmd_args, name, args);
3886 switch (cmd_args->type) {
3887 case 'F':
3888 case 'B':
3889 case 's':
3890 if (qobject_type(value) != QTYPE_QSTRING) {
3891 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "string");
3892 return -1;
3894 break;
3895 case '/': {
3896 int i;
3897 const char *keys[] = { "count", "format", "size", NULL };
3899 for (i = 0; keys[i]; i++) {
3900 QObject *obj = qdict_get(args, keys[i]);
3901 if (!obj) {
3902 qemu_error_new(QERR_MISSING_PARAMETER, name);
3903 return -1;
3905 if (qobject_type(obj) != QTYPE_QINT) {
3906 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3907 return -1;
3910 break;
3912 case 'i':
3913 case 'l':
3914 if (qobject_type(value) != QTYPE_QINT) {
3915 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "int");
3916 return -1;
3918 break;
3919 case '-':
3920 if (qobject_type(value) != QTYPE_QINT &&
3921 qobject_type(value) != QTYPE_QBOOL) {
3922 qemu_error_new(QERR_INVALID_PARAMETER_TYPE, name, "bool");
3923 return -1;
3925 if (qobject_type(value) == QTYPE_QBOOL) {
3926 /* handlers expect a QInt, they need to be changed */
3927 qdict_put(args, name,
3928 qint_from_int(qbool_get_int(qobject_to_qbool(value))));
3930 break;
3931 default:
3932 /* impossible */
3933 abort();
3936 return 0;
3939 static void cmd_args_init(CmdArgs *cmd_args)
3941 cmd_args->name = qstring_new();
3942 cmd_args->type = cmd_args->flag = cmd_args->optional = 0;
3946 * This is not trivial, we have to parse Monitor command's argument
3947 * type syntax to be able to check the arguments provided by clients.
3949 * In the near future we will be using an array for that and will be
3950 * able to drop all this parsing...
3952 static int monitor_check_qmp_args(const mon_cmd_t *cmd, QDict *args)
3954 int err;
3955 const char *p;
3956 CmdArgs cmd_args;
3958 if (cmd->args_type == NULL) {
3959 return (qdict_size(args) == 0 ? 0 : -1);
3962 err = 0;
3963 cmd_args_init(&cmd_args);
3965 for (p = cmd->args_type;; p++) {
3966 if (*p == ':') {
3967 cmd_args.type = *++p;
3968 p++;
3969 if (cmd_args.type == '-') {
3970 cmd_args.flag = *p++;
3971 cmd_args.optional = 1;
3972 } else if (*p == '?') {
3973 cmd_args.optional = 1;
3974 p++;
3977 assert(*p == ',' || *p == '\0');
3978 err = check_arg(&cmd_args, args);
3980 QDECREF(cmd_args.name);
3981 cmd_args_init(&cmd_args);
3983 if (err < 0) {
3984 break;
3986 } else {
3987 qstring_append_chr(cmd_args.name, *p);
3990 if (*p == '\0') {
3991 break;
3995 QDECREF(cmd_args.name);
3996 return err;
3999 static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
4001 int err;
4002 QObject *obj;
4003 QDict *input, *args;
4004 const mon_cmd_t *cmd;
4005 Monitor *mon = cur_mon;
4006 const char *cmd_name, *info_item;
4008 args = NULL;
4009 qemu_errors_to_mon(mon);
4011 obj = json_parser_parse(tokens, NULL);
4012 if (!obj) {
4013 // FIXME: should be triggered in json_parser_parse()
4014 qemu_error_new(QERR_JSON_PARSING);
4015 goto err_out;
4016 } else if (qobject_type(obj) != QTYPE_QDICT) {
4017 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "object");
4018 qobject_decref(obj);
4019 goto err_out;
4022 input = qobject_to_qdict(obj);
4024 mon->mc->id = qdict_get(input, "id");
4025 qobject_incref(mon->mc->id);
4027 obj = qdict_get(input, "execute");
4028 if (!obj) {
4029 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "execute");
4030 goto err_input;
4031 } else if (qobject_type(obj) != QTYPE_QSTRING) {
4032 qemu_error_new(QERR_QMP_BAD_INPUT_OBJECT, "string");
4033 goto err_input;
4036 cmd_name = qstring_get_str(qobject_to_qstring(obj));
4039 * XXX: We need this special case until we get info handlers
4040 * converted into 'query-' commands
4042 if (compare_cmd(cmd_name, "info")) {
4043 qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
4044 goto err_input;
4045 } else if (strstart(cmd_name, "query-", &info_item)) {
4046 cmd = monitor_find_command("info");
4047 qdict_put_obj(input, "arguments",
4048 qobject_from_jsonf("{ 'item': %s }", info_item));
4049 } else {
4050 cmd = monitor_find_command(cmd_name);
4051 if (!cmd) {
4052 qemu_error_new(QERR_COMMAND_NOT_FOUND, cmd_name);
4053 goto err_input;
4057 obj = qdict_get(input, "arguments");
4058 if (!obj) {
4059 args = qdict_new();
4060 } else {
4061 args = qobject_to_qdict(obj);
4062 QINCREF(args);
4065 QDECREF(input);
4067 err = monitor_check_qmp_args(cmd, args);
4068 if (err < 0) {
4069 goto err_out;
4072 monitor_call_handler(mon, cmd, args);
4073 goto out;
4075 err_input:
4076 QDECREF(input);
4077 err_out:
4078 monitor_protocol_emitter(mon, NULL);
4079 out:
4080 QDECREF(args);
4081 qemu_errors_to_previous();
4085 * monitor_control_read(): Read and handle QMP input
4087 static void monitor_control_read(void *opaque, const uint8_t *buf, int size)
4089 Monitor *old_mon = cur_mon;
4091 cur_mon = opaque;
4093 json_message_parser_feed(&cur_mon->mc->parser, (const char *) buf, size);
4095 cur_mon = old_mon;
4098 static void monitor_read(void *opaque, const uint8_t *buf, int size)
4100 Monitor *old_mon = cur_mon;
4101 int i;
4103 cur_mon = opaque;
4105 if (cur_mon->rs) {
4106 for (i = 0; i < size; i++)
4107 readline_handle_byte(cur_mon->rs, buf[i]);
4108 } else {
4109 if (size == 0 || buf[size - 1] != 0)
4110 monitor_printf(cur_mon, "corrupted command\n");
4111 else
4112 handle_user_command(cur_mon, (char *)buf);
4115 cur_mon = old_mon;
4118 static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
4120 monitor_suspend(mon);
4121 handle_user_command(mon, cmdline);
4122 monitor_resume(mon);
4125 int monitor_suspend(Monitor *mon)
4127 if (!mon->rs)
4128 return -ENOTTY;
4129 mon->suspend_cnt++;
4130 return 0;
4133 void monitor_resume(Monitor *mon)
4135 if (!mon->rs)
4136 return;
4137 if (--mon->suspend_cnt == 0)
4138 readline_show_prompt(mon->rs);
4142 * monitor_control_event(): Print QMP gretting
4144 static void monitor_control_event(void *opaque, int event)
4146 if (event == CHR_EVENT_OPENED) {
4147 QObject *data;
4148 Monitor *mon = opaque;
4150 json_message_parser_init(&mon->mc->parser, handle_qmp_command);
4152 data = qobject_from_jsonf("{ 'QMP': { 'capabilities': [] } }");
4153 assert(data != NULL);
4155 monitor_json_emitter(mon, data);
4156 qobject_decref(data);
4160 static void monitor_event(void *opaque, int event)
4162 Monitor *mon = opaque;
4164 switch (event) {
4165 case CHR_EVENT_MUX_IN:
4166 mon->mux_out = 0;
4167 if (mon->reset_seen) {
4168 readline_restart(mon->rs);
4169 monitor_resume(mon);
4170 monitor_flush(mon);
4171 } else {
4172 mon->suspend_cnt = 0;
4174 break;
4176 case CHR_EVENT_MUX_OUT:
4177 if (mon->reset_seen) {
4178 if (mon->suspend_cnt == 0) {
4179 monitor_printf(mon, "\n");
4181 monitor_flush(mon);
4182 monitor_suspend(mon);
4183 } else {
4184 mon->suspend_cnt++;
4186 mon->mux_out = 1;
4187 break;
4189 case CHR_EVENT_OPENED:
4190 monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
4191 "information\n", QEMU_VERSION);
4192 if (!mon->mux_out) {
4193 readline_show_prompt(mon->rs);
4195 mon->reset_seen = 1;
4196 break;
4202 * Local variables:
4203 * c-indent-level: 4
4204 * c-basic-offset: 4
4205 * tab-width: 8
4206 * End:
4209 void monitor_init(CharDriverState *chr, int flags)
4211 static int is_first_init = 1;
4212 Monitor *mon;
4214 if (is_first_init) {
4215 key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
4216 is_first_init = 0;
4219 mon = qemu_mallocz(sizeof(*mon));
4221 mon->chr = chr;
4222 mon->flags = flags;
4223 if (flags & MONITOR_USE_READLINE) {
4224 mon->rs = readline_init(mon, monitor_find_completion);
4225 monitor_read_command(mon, 0);
4228 if (monitor_ctrl_mode(mon)) {
4229 mon->mc = qemu_mallocz(sizeof(MonitorControl));
4230 /* Control mode requires special handlers */
4231 qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
4232 monitor_control_event, mon);
4233 } else {
4234 qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
4235 monitor_event, mon);
4238 QLIST_INSERT_HEAD(&mon_list, mon, entry);
4239 if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
4240 cur_mon = mon;
4243 static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
4245 BlockDriverState *bs = opaque;
4246 int ret = 0;
4248 if (bdrv_set_key(bs, password) != 0) {
4249 monitor_printf(mon, "invalid password\n");
4250 ret = -EPERM;
4252 if (mon->password_completion_cb)
4253 mon->password_completion_cb(mon->password_opaque, ret);
4255 monitor_read_command(mon, 1);
4258 void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
4259 BlockDriverCompletionFunc *completion_cb,
4260 void *opaque)
4262 int err;
4264 if (!bdrv_key_required(bs)) {
4265 if (completion_cb)
4266 completion_cb(opaque, 0);
4267 return;
4270 if (monitor_ctrl_mode(mon)) {
4271 qemu_error_new(QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs));
4272 return;
4275 monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
4276 bdrv_get_encrypted_filename(bs));
4278 mon->password_completion_cb = completion_cb;
4279 mon->password_opaque = opaque;
4281 err = monitor_read_password(mon, bdrv_password_cb, bs);
4283 if (err && completion_cb)
4284 completion_cb(opaque, err);
4287 typedef struct QemuErrorSink QemuErrorSink;
4288 struct QemuErrorSink {
4289 enum {
4290 ERR_SINK_FILE,
4291 ERR_SINK_MONITOR,
4292 } dest;
4293 union {
4294 FILE *fp;
4295 Monitor *mon;
4297 QemuErrorSink *previous;
4300 static QemuErrorSink *qemu_error_sink;
4302 void qemu_errors_to_file(FILE *fp)
4304 QemuErrorSink *sink;
4306 sink = qemu_mallocz(sizeof(*sink));
4307 sink->dest = ERR_SINK_FILE;
4308 sink->fp = fp;
4309 sink->previous = qemu_error_sink;
4310 qemu_error_sink = sink;
4313 void qemu_errors_to_mon(Monitor *mon)
4315 QemuErrorSink *sink;
4317 sink = qemu_mallocz(sizeof(*sink));
4318 sink->dest = ERR_SINK_MONITOR;
4319 sink->mon = mon;
4320 sink->previous = qemu_error_sink;
4321 qemu_error_sink = sink;
4324 void qemu_errors_to_previous(void)
4326 QemuErrorSink *sink;
4328 assert(qemu_error_sink != NULL);
4329 sink = qemu_error_sink;
4330 qemu_error_sink = sink->previous;
4331 qemu_free(sink);
4334 void qemu_error(const char *fmt, ...)
4336 va_list args;
4338 assert(qemu_error_sink != NULL);
4339 switch (qemu_error_sink->dest) {
4340 case ERR_SINK_FILE:
4341 va_start(args, fmt);
4342 vfprintf(qemu_error_sink->fp, fmt, args);
4343 va_end(args);
4344 break;
4345 case ERR_SINK_MONITOR:
4346 va_start(args, fmt);
4347 monitor_vprintf(qemu_error_sink->mon, fmt, args);
4348 va_end(args);
4349 break;
4353 void qemu_error_internal(const char *file, int linenr, const char *func,
4354 const char *fmt, ...)
4356 va_list va;
4357 QError *qerror;
4359 assert(qemu_error_sink != NULL);
4361 va_start(va, fmt);
4362 qerror = qerror_from_info(file, linenr, func, fmt, &va);
4363 va_end(va);
4365 switch (qemu_error_sink->dest) {
4366 case ERR_SINK_FILE:
4367 qerror_print(qerror);
4368 QDECREF(qerror);
4369 break;
4370 case ERR_SINK_MONITOR:
4371 assert(qemu_error_sink->mon->error == NULL);
4372 qemu_error_sink->mon->error = qerror;
4373 break;