diff options
Diffstat (limited to 'qemu/monitor.c')
| -rw-r--r-- | qemu/monitor.c | 5363 |
1 files changed, 5363 insertions, 0 deletions
diff --git a/qemu/monitor.c b/qemu/monitor.c new file mode 100644 index 000000000..aeea2b5f9 --- /dev/null +++ b/qemu/monitor.c @@ -0,0 +1,5363 @@ +/* + * QEMU monitor + * + * Copyright (c) 2003-2004 Fabrice Bellard + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#include <dirent.h> +#include "hw/hw.h" +#include "monitor/qdev.h" +#include "hw/usb.h" +#include "hw/i386/pc.h" +#include "hw/pci/pci.h" +#include "sysemu/watchdog.h" +#include "hw/loader.h" +#include "exec/gdbstub.h" +#include "net/net.h" +#include "net/slirp.h" +#include "sysemu/char.h" +#include "ui/qemu-spice.h" +#include "sysemu/sysemu.h" +#include "sysemu/numa.h" +#include "monitor/monitor.h" +#include "qemu/readline.h" +#include "ui/console.h" +#include "ui/input.h" +#include "sysemu/blockdev.h" +#include "audio/audio.h" +#include "disas/disas.h" +#include "sysemu/balloon.h" +#include "qemu/timer.h" +#include "migration/migration.h" +#include "sysemu/kvm.h" +#include "qemu/acl.h" +#include "sysemu/tpm.h" +#include "qapi/qmp/qerror.h" +#include "qapi/qmp/qint.h" +#include "qapi/qmp/qfloat.h" +#include "qapi/qmp/qlist.h" +#include "qapi/qmp/qbool.h" +#include "qapi/qmp/qstring.h" +#include "qapi/qmp/qjson.h" +#include "qapi/qmp/json-streamer.h" +#include "qapi/qmp/json-parser.h" +#include <qom/object_interfaces.h> +#include "qemu/osdep.h" +#include "cpu.h" +#include "trace.h" +#include "trace/control.h" +#ifdef CONFIG_TRACE_SIMPLE +#include "trace/simple.h" +#endif +#include "exec/memory.h" +#include "exec/cpu_ldst.h" +#include "qmp-commands.h" +#include "hmp.h" +#include "qemu/thread.h" +#include "block/qapi.h" +#include "qapi/qmp-event.h" +#include "qapi-event.h" +#include "sysemu/block-backend.h" + +/* for hmp_info_irq/pic */ +#if defined(TARGET_SPARC) +#include "hw/sparc/sun4m.h" +#endif +#include "hw/lm32/lm32_pic.h" + +/* + * Supported types: + * + * 'F' filename + * 'B' block device name + * 's' string (accept optional quote) + * 'S' it just appends the rest of the string (accept optional quote) + * 'O' option string of the form NAME=VALUE,... + * parsed according to QemuOptsList given by its name + * Example: 'device:O' uses qemu_device_opts. + * Restriction: only lists with empty desc are supported + * TODO lift the restriction + * 'i' 32 bit integer + * 'l' target long (32 or 64 bit) + * 'M' Non-negative target long (32 or 64 bit), in user mode the + * value is multiplied by 2^20 (think Mebibyte) + * 'o' octets (aka bytes) + * user mode accepts an optional E, e, P, p, T, t, G, g, M, m, + * K, k suffix, which multiplies the value by 2^60 for suffixes E + * and e, 2^50 for suffixes P and p, 2^40 for suffixes T and t, + * 2^30 for suffixes G and g, 2^20 for M and m, 2^10 for K and k + * 'T' double + * user mode accepts an optional ms, us, ns suffix, + * which divides the value by 1e3, 1e6, 1e9, respectively + * '/' optional gdb-like print format (like "/10x") + * + * '?' optional type (for all types, except '/') + * '.' other form of optional type (for 'i' and 'l') + * 'b' boolean + * user mode accepts "on" or "off" + * '-' optional parameter (eg. '-f') + * + */ + +typedef struct mon_cmd_t { + const char *name; + const char *args_type; + const char *params; + const char *help; + union { + void (*cmd)(Monitor *mon, const QDict *qdict); + void (*cmd_new)(QDict *params, QObject **ret_data, Error **errp); + } mhandler; + /* @sub_table is a list of 2nd level of commands. If it do not exist, + * mhandler should be used. If it exist, sub_table[?].mhandler should be + * used, and mhandler of 1st level plays the role of help function. + */ + struct mon_cmd_t *sub_table; + void (*command_completion)(ReadLineState *rs, int nb_args, const char *str); +} mon_cmd_t; + +/* file descriptors passed via SCM_RIGHTS */ +typedef struct mon_fd_t mon_fd_t; +struct mon_fd_t { + char *name; + int fd; + QLIST_ENTRY(mon_fd_t) next; +}; + +/* file descriptor associated with a file descriptor set */ +typedef struct MonFdsetFd MonFdsetFd; +struct MonFdsetFd { + int fd; + bool removed; + char *opaque; + QLIST_ENTRY(MonFdsetFd) next; +}; + +/* file descriptor set containing fds passed via SCM_RIGHTS */ +typedef struct MonFdset MonFdset; +struct MonFdset { + int64_t id; + QLIST_HEAD(, MonFdsetFd) fds; + QLIST_HEAD(, MonFdsetFd) dup_fds; + QLIST_ENTRY(MonFdset) next; +}; + +typedef struct { + QObject *id; + JSONMessageParser parser; + /* + * When a client connects, we're in capabilities negotiation mode. + * When command qmp_capabilities succeeds, we go into command + * mode. + */ + bool in_command_mode; /* are we in command mode? */ +} MonitorQMP; + +/* + * To prevent flooding clients, events can be throttled. The + * throttling is calculated globally, rather than per-Monitor + * instance. + */ +typedef struct MonitorQAPIEventState { + QAPIEvent event; /* Event being tracked */ + int64_t rate; /* Minimum time (in ns) between two events */ + int64_t last; /* QEMU_CLOCK_REALTIME value at last emission */ + QEMUTimer *timer; /* Timer for handling delayed events */ + QObject *data; /* Event pending delayed dispatch */ +} MonitorQAPIEventState; + +struct Monitor { + CharDriverState *chr; + int reset_seen; + int flags; + int suspend_cnt; + bool skip_flush; + + QemuMutex out_lock; + QString *outbuf; + guint out_watch; + + /* Read under either BQL or out_lock, written with BQL+out_lock. */ + int mux_out; + + ReadLineState *rs; + MonitorQMP qmp; + CPUState *mon_cpu; + BlockCompletionFunc *password_completion_cb; + void *password_opaque; + mon_cmd_t *cmd_table; + QLIST_HEAD(,mon_fd_t) fds; + QLIST_ENTRY(Monitor) entry; +}; + +/* QMP checker flags */ +#define QMP_ACCEPT_UNKNOWNS 1 + +/* Protects mon_list, monitor_event_state. */ +static QemuMutex monitor_lock; + +static QLIST_HEAD(mon_list, Monitor) mon_list; +static QLIST_HEAD(mon_fdsets, MonFdset) mon_fdsets; +static int mon_refcount; + +static mon_cmd_t mon_cmds[]; +static mon_cmd_t info_cmds[]; + +static const mon_cmd_t qmp_cmds[]; + +Monitor *cur_mon; + +static void monitor_command_cb(void *opaque, const char *cmdline, + void *readline_opaque); + +/** + * Is @mon a QMP monitor? + */ +static inline bool monitor_is_qmp(const Monitor *mon) +{ + return (mon->flags & MONITOR_USE_CONTROL); +} + +/** + * Is the current monitor, if any, a QMP monitor? + */ +bool monitor_cur_is_qmp(void) +{ + return cur_mon && monitor_is_qmp(cur_mon); +} + +void monitor_read_command(Monitor *mon, int show_prompt) +{ + if (!mon->rs) + return; + + readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL); + if (show_prompt) + readline_show_prompt(mon->rs); +} + +int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func, + void *opaque) +{ + if (mon->rs) { + readline_start(mon->rs, "Password: ", 1, readline_func, opaque); + /* prompt is printed on return from the command handler */ + return 0; + } else { + monitor_printf(mon, "terminal does not support password prompting\n"); + return -ENOTTY; + } +} + +static void monitor_flush_locked(Monitor *mon); + +static gboolean monitor_unblocked(GIOChannel *chan, GIOCondition cond, + void *opaque) +{ + Monitor *mon = opaque; + + qemu_mutex_lock(&mon->out_lock); + mon->out_watch = 0; + monitor_flush_locked(mon); + qemu_mutex_unlock(&mon->out_lock); + return FALSE; +} + +/* Called with mon->out_lock held. */ +static void monitor_flush_locked(Monitor *mon) +{ + int rc; + size_t len; + const char *buf; + + if (mon->skip_flush) { + return; + } + + buf = qstring_get_str(mon->outbuf); + len = qstring_get_length(mon->outbuf); + + if (len && !mon->mux_out) { + rc = qemu_chr_fe_write(mon->chr, (const uint8_t *) buf, len); + if ((rc < 0 && errno != EAGAIN) || (rc == len)) { + /* all flushed or error */ + QDECREF(mon->outbuf); + mon->outbuf = qstring_new(); + return; + } + if (rc > 0) { + /* partinal write */ + QString *tmp = qstring_from_str(buf + rc); + QDECREF(mon->outbuf); + mon->outbuf = tmp; + } + if (mon->out_watch == 0) { + mon->out_watch = qemu_chr_fe_add_watch(mon->chr, G_IO_OUT|G_IO_HUP, + monitor_unblocked, mon); + } + } +} + +void monitor_flush(Monitor *mon) +{ + qemu_mutex_lock(&mon->out_lock); + monitor_flush_locked(mon); + qemu_mutex_unlock(&mon->out_lock); +} + +/* flush at every end of line */ +static void monitor_puts(Monitor *mon, const char *str) +{ + char c; + + qemu_mutex_lock(&mon->out_lock); + for(;;) { + c = *str++; + if (c == '\0') + break; + if (c == '\n') { + qstring_append_chr(mon->outbuf, '\r'); + } + qstring_append_chr(mon->outbuf, c); + if (c == '\n') { + monitor_flush_locked(mon); + } + } + qemu_mutex_unlock(&mon->out_lock); +} + +void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap) +{ + char *buf; + + if (!mon) + return; + + if (monitor_is_qmp(mon)) { + return; + } + + buf = g_strdup_vprintf(fmt, ap); + monitor_puts(mon, buf); + g_free(buf); +} + +void monitor_printf(Monitor *mon, const char *fmt, ...) +{ + va_list ap; + va_start(ap, fmt); + monitor_vprintf(mon, fmt, ap); + va_end(ap); +} + +static int GCC_FMT_ATTR(2, 3) monitor_fprintf(FILE *stream, + const char *fmt, ...) +{ + va_list ap; + va_start(ap, fmt); + monitor_vprintf((Monitor *)stream, fmt, ap); + va_end(ap); + return 0; +} + +static void monitor_json_emitter(Monitor *mon, const QObject *data) +{ + QString *json; + + json = mon->flags & MONITOR_USE_PRETTY ? qobject_to_json_pretty(data) : + qobject_to_json(data); + assert(json != NULL); + + qstring_append_chr(json, '\n'); + monitor_puts(mon, qstring_get_str(json)); + + QDECREF(json); +} + +static QDict *build_qmp_error_dict(Error *err) +{ + QObject *obj; + + obj = qobject_from_jsonf("{ 'error': { 'class': %s, 'desc': %s } }", + ErrorClass_lookup[error_get_class(err)], + error_get_pretty(err)); + + return qobject_to_qdict(obj); +} + +static void monitor_protocol_emitter(Monitor *mon, QObject *data, + Error *err) +{ + QDict *qmp; + + trace_monitor_protocol_emitter(mon); + + if (!err) { + /* success response */ + qmp = qdict_new(); + if (data) { + qobject_incref(data); + qdict_put_obj(qmp, "return", data); + } else { + /* return an empty QDict by default */ + qdict_put(qmp, "return", qdict_new()); + } + } else { + /* error response */ + qmp = build_qmp_error_dict(err); + } + + if (mon->qmp.id) { + qdict_put_obj(qmp, "id", mon->qmp.id); + mon->qmp.id = NULL; + } + + monitor_json_emitter(mon, QOBJECT(qmp)); + QDECREF(qmp); +} + + +static MonitorQAPIEventState monitor_qapi_event_state[QAPI_EVENT_MAX]; + +/* + * Emits the event to every monitor instance, @event is only used for trace + * Called with monitor_lock held. + */ +static void monitor_qapi_event_emit(QAPIEvent event, QObject *data) +{ + Monitor *mon; + + trace_monitor_protocol_event_emit(event, data); + QLIST_FOREACH(mon, &mon_list, entry) { + if (monitor_is_qmp(mon) && mon->qmp.in_command_mode) { + monitor_json_emitter(mon, data); + } + } +} + +/* + * Queue a new event for emission to Monitor instances, + * applying any rate limiting if required. + */ +static void +monitor_qapi_event_queue(QAPIEvent event, QDict *data, Error **errp) +{ + MonitorQAPIEventState *evstate; + assert(event < QAPI_EVENT_MAX); + int64_t now = qemu_clock_get_ns(QEMU_CLOCK_REALTIME); + + evstate = &(monitor_qapi_event_state[event]); + trace_monitor_protocol_event_queue(event, + data, + evstate->rate, + evstate->last, + now); + + /* Rate limit of 0 indicates no throttling */ + qemu_mutex_lock(&monitor_lock); + if (!evstate->rate) { + monitor_qapi_event_emit(event, QOBJECT(data)); + evstate->last = now; + } else { + int64_t delta = now - evstate->last; + if (evstate->data || + delta < evstate->rate) { + /* If there's an existing event pending, replace + * it with the new event, otherwise schedule a + * timer for delayed emission + */ + if (evstate->data) { + qobject_decref(evstate->data); + } else { + int64_t then = evstate->last + evstate->rate; + timer_mod_ns(evstate->timer, then); + } + evstate->data = QOBJECT(data); + qobject_incref(evstate->data); + } else { + monitor_qapi_event_emit(event, QOBJECT(data)); + evstate->last = now; + } + } + qemu_mutex_unlock(&monitor_lock); +} + +/* + * The callback invoked by QemuTimer when a delayed + * event is ready to be emitted + */ +static void monitor_qapi_event_handler(void *opaque) +{ + MonitorQAPIEventState *evstate = opaque; + int64_t now = qemu_clock_get_ns(QEMU_CLOCK_REALTIME); + + trace_monitor_protocol_event_handler(evstate->event, + evstate->data, + evstate->last, + now); + qemu_mutex_lock(&monitor_lock); + if (evstate->data) { + monitor_qapi_event_emit(evstate->event, evstate->data); + qobject_decref(evstate->data); + evstate->data = NULL; + } + evstate->last = now; + qemu_mutex_unlock(&monitor_lock); +} + +/* + * @event: the event ID to be limited + * @rate: the rate limit in milliseconds + * + * Sets a rate limit on a particular event, so no + * more than 1 event will be emitted within @rate + * milliseconds + */ +static void +monitor_qapi_event_throttle(QAPIEvent event, int64_t rate) +{ + MonitorQAPIEventState *evstate; + assert(event < QAPI_EVENT_MAX); + + evstate = &(monitor_qapi_event_state[event]); + + trace_monitor_protocol_event_throttle(event, rate); + evstate->event = event; + assert(rate * SCALE_MS <= INT64_MAX); + evstate->rate = rate * SCALE_MS; + evstate->last = 0; + evstate->data = NULL; + evstate->timer = timer_new(QEMU_CLOCK_REALTIME, + SCALE_MS, + monitor_qapi_event_handler, + evstate); +} + +static void monitor_qapi_event_init(void) +{ + /* Limit guest-triggerable events to 1 per second */ + monitor_qapi_event_throttle(QAPI_EVENT_RTC_CHANGE, 1000); + monitor_qapi_event_throttle(QAPI_EVENT_WATCHDOG, 1000); + monitor_qapi_event_throttle(QAPI_EVENT_BALLOON_CHANGE, 1000); + monitor_qapi_event_throttle(QAPI_EVENT_QUORUM_REPORT_BAD, 1000); + monitor_qapi_event_throttle(QAPI_EVENT_QUORUM_FAILURE, 1000); + monitor_qapi_event_throttle(QAPI_EVENT_VSERPORT_CHANGE, 1000); + + qmp_event_set_func_emit(monitor_qapi_event_queue); +} + +static void qmp_capabilities(QDict *params, QObject **ret_data, Error **errp) +{ + cur_mon->qmp.in_command_mode = true; +} + +static void handle_hmp_command(Monitor *mon, const char *cmdline); + +static void monitor_data_init(Monitor *mon) +{ + memset(mon, 0, sizeof(Monitor)); + qemu_mutex_init(&mon->out_lock); + mon->outbuf = qstring_new(); + /* Use *mon_cmds by default. */ + mon->cmd_table = mon_cmds; +} + +static void monitor_data_destroy(Monitor *mon) +{ + QDECREF(mon->outbuf); + qemu_mutex_destroy(&mon->out_lock); +} + +char *qmp_human_monitor_command(const char *command_line, bool has_cpu_index, + int64_t cpu_index, Error **errp) +{ + char *output = NULL; + Monitor *old_mon, hmp; + + monitor_data_init(&hmp); + hmp.skip_flush = true; + + old_mon = cur_mon; + cur_mon = &hmp; + + if (has_cpu_index) { + int ret = monitor_set_cpu(cpu_index); + if (ret < 0) { + cur_mon = old_mon; + error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "cpu-index", + "a CPU number"); + goto out; + } + } + + handle_hmp_command(&hmp, command_line); + cur_mon = old_mon; + + qemu_mutex_lock(&hmp.out_lock); + if (qstring_get_length(hmp.outbuf) > 0) { + output = g_strdup(qstring_get_str(hmp.outbuf)); + } else { + output = g_strdup(""); + } + qemu_mutex_unlock(&hmp.out_lock); + +out: + monitor_data_destroy(&hmp); + return output; +} + +static int compare_cmd(const char *name, const char *list) +{ + const char *p, *pstart; + int len; + len = strlen(name); + p = list; + for(;;) { + pstart = p; + p = strchr(p, '|'); + if (!p) + p = pstart + strlen(pstart); + if ((p - pstart) == len && !memcmp(pstart, name, len)) + return 1; + if (*p == '\0') + break; + p++; + } + return 0; +} + +static int get_str(char *buf, int buf_size, const char **pp) +{ + const char *p; + char *q; + int c; + + q = buf; + p = *pp; + while (qemu_isspace(*p)) { + p++; + } + if (*p == '\0') { + fail: + *q = '\0'; + *pp = p; + return -1; + } + if (*p == '\"') { + p++; + while (*p != '\0' && *p != '\"') { + if (*p == '\\') { + p++; + c = *p++; + switch (c) { + case 'n': + c = '\n'; + break; + case 'r': + c = '\r'; + break; + case '\\': + case '\'': + case '\"': + break; + default: + qemu_printf("unsupported escape code: '\\%c'\n", c); + goto fail; + } + if ((q - buf) < buf_size - 1) { + *q++ = c; + } + } else { + if ((q - buf) < buf_size - 1) { + *q++ = *p; + } + p++; + } + } + if (*p != '\"') { + qemu_printf("unterminated string\n"); + goto fail; + } + p++; + } else { + while (*p != '\0' && !qemu_isspace(*p)) { + if ((q - buf) < buf_size - 1) { + *q++ = *p; + } + p++; + } + } + *q = '\0'; + *pp = p; + return 0; +} + +#define MAX_ARGS 16 + +static void free_cmdline_args(char **args, int nb_args) +{ + int i; + + assert(nb_args <= MAX_ARGS); + + for (i = 0; i < nb_args; i++) { + g_free(args[i]); + } + +} + +/* + * Parse the command line to get valid args. + * @cmdline: command line to be parsed. + * @pnb_args: location to store the number of args, must NOT be NULL. + * @args: location to store the args, which should be freed by caller, must + * NOT be NULL. + * + * Returns 0 on success, negative on failure. + * + * NOTE: this parser is an approximate form of the real command parser. Number + * of args have a limit of MAX_ARGS. If cmdline contains more, it will + * return with failure. + */ +static int parse_cmdline(const char *cmdline, + int *pnb_args, char **args) +{ + const char *p; + int nb_args, ret; + char buf[1024]; + + p = cmdline; + nb_args = 0; + for (;;) { + while (qemu_isspace(*p)) { + p++; + } + if (*p == '\0') { + break; + } + if (nb_args >= MAX_ARGS) { + goto fail; + } + ret = get_str(buf, sizeof(buf), &p); + if (ret < 0) { + goto fail; + } + args[nb_args] = g_strdup(buf); + nb_args++; + } + *pnb_args = nb_args; + return 0; + + fail: + free_cmdline_args(args, nb_args); + return -1; +} + +static void help_cmd_dump_one(Monitor *mon, + const mon_cmd_t *cmd, + char **prefix_args, + int prefix_args_nb) +{ + int i; + + for (i = 0; i < prefix_args_nb; i++) { + monitor_printf(mon, "%s ", prefix_args[i]); + } + monitor_printf(mon, "%s %s -- %s\n", cmd->name, cmd->params, cmd->help); +} + +/* @args[@arg_index] is the valid command need to find in @cmds */ +static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds, + char **args, int nb_args, int arg_index) +{ + const mon_cmd_t *cmd; + + /* No valid arg need to compare with, dump all in *cmds */ + if (arg_index >= nb_args) { + for (cmd = cmds; cmd->name != NULL; cmd++) { + help_cmd_dump_one(mon, cmd, args, arg_index); + } + return; + } + + /* Find one entry to dump */ + for (cmd = cmds; cmd->name != NULL; cmd++) { + if (compare_cmd(args[arg_index], cmd->name)) { + if (cmd->sub_table) { + /* continue with next arg */ + help_cmd_dump(mon, cmd->sub_table, + args, nb_args, arg_index + 1); + } else { + help_cmd_dump_one(mon, cmd, args, arg_index); + } + break; + } + } +} + +static void help_cmd(Monitor *mon, const char *name) +{ + char *args[MAX_ARGS]; + int nb_args = 0; + + /* 1. parse user input */ + if (name) { + /* special case for log, directly dump and return */ + if (!strcmp(name, "log")) { + const QEMULogItem *item; + monitor_printf(mon, "Log items (comma separated):\n"); + monitor_printf(mon, "%-10s %s\n", "none", "remove all logs"); + for (item = qemu_log_items; item->mask != 0; item++) { + monitor_printf(mon, "%-10s %s\n", item->name, item->help); + } + return; + } + + if (parse_cmdline(name, &nb_args, args) < 0) { + return; + } + } + + /* 2. dump the contents according to parsed args */ + help_cmd_dump(mon, mon->cmd_table, args, nb_args, 0); + + free_cmdline_args(args, nb_args); +} + +static void do_help_cmd(Monitor *mon, const QDict *qdict) +{ + help_cmd(mon, qdict_get_try_str(qdict, "name")); +} + +static void hmp_trace_event(Monitor *mon, const QDict *qdict) +{ + const char *tp_name = qdict_get_str(qdict, "name"); + bool new_state = qdict_get_bool(qdict, "option"); + Error *local_err = NULL; + + qmp_trace_event_set_state(tp_name, new_state, true, true, &local_err); + if (local_err) { + error_report_err(local_err); + } +} + +#ifdef CONFIG_TRACE_SIMPLE +static void hmp_trace_file(Monitor *mon, const QDict *qdict) +{ + const char *op = qdict_get_try_str(qdict, "op"); + const char *arg = qdict_get_try_str(qdict, "arg"); + + if (!op) { + st_print_trace_file_status((FILE *)mon, &monitor_fprintf); + } else if (!strcmp(op, "on")) { + st_set_trace_file_enabled(true); + } else if (!strcmp(op, "off")) { + st_set_trace_file_enabled(false); + } else if (!strcmp(op, "flush")) { + st_flush_trace_buffer(); + } else if (!strcmp(op, "set")) { + if (arg) { + st_set_trace_file(arg); + } + } else { + monitor_printf(mon, "unexpected argument \"%s\"\n", op); + help_cmd(mon, "trace-file"); + } +} +#endif + +static void hmp_info_help(Monitor *mon, const QDict *qdict) +{ + help_cmd(mon, "info"); +} + +CommandInfoList *qmp_query_commands(Error **errp) +{ + CommandInfoList *info, *cmd_list = NULL; + const mon_cmd_t *cmd; + + for (cmd = qmp_cmds; cmd->name != NULL; cmd++) { + info = g_malloc0(sizeof(*info)); + info->value = g_malloc0(sizeof(*info->value)); + info->value->name = g_strdup(cmd->name); + + info->next = cmd_list; + cmd_list = info; + } + + return cmd_list; +} + +EventInfoList *qmp_query_events(Error **errp) +{ + EventInfoList *info, *ev_list = NULL; + QAPIEvent e; + + for (e = 0 ; e < QAPI_EVENT_MAX ; e++) { + const char *event_name = QAPIEvent_lookup[e]; + assert(event_name != NULL); + info = g_malloc0(sizeof(*info)); + info->value = g_malloc0(sizeof(*info->value)); + info->value->name = g_strdup(event_name); + + info->next = ev_list; + ev_list = info; + } + + return ev_list; +} + +/* set the current CPU defined by the user */ +int monitor_set_cpu(int cpu_index) +{ + CPUState *cpu; + + cpu = qemu_get_cpu(cpu_index); + if (cpu == NULL) { + return -1; + } + cur_mon->mon_cpu = cpu; + return 0; +} + +static CPUState *mon_get_cpu(void) +{ + if (!cur_mon->mon_cpu) { + monitor_set_cpu(0); + } + cpu_synchronize_state(cur_mon->mon_cpu); + return cur_mon->mon_cpu; +} + +static CPUArchState *mon_get_cpu_env(void) +{ + return mon_get_cpu()->env_ptr; +} + +int monitor_get_cpu_index(void) +{ + return mon_get_cpu()->cpu_index; +} + +static void hmp_info_registers(Monitor *mon, const QDict *qdict) +{ + cpu_dump_state(mon_get_cpu(), (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU); +} + +static void hmp_info_jit(Monitor *mon, const QDict *qdict) +{ + dump_exec_info((FILE *)mon, monitor_fprintf); + dump_drift_info((FILE *)mon, monitor_fprintf); +} + +static void hmp_info_opcount(Monitor *mon, const QDict *qdict) +{ + dump_opcount_info((FILE *)mon, monitor_fprintf); +} + +static void hmp_info_history(Monitor *mon, const QDict *qdict) +{ + int i; + const char *str; + + if (!mon->rs) + return; + i = 0; + for(;;) { + str = readline_get_history(mon->rs, i); + if (!str) + break; + monitor_printf(mon, "%d: '%s'\n", i, str); + i++; + } +} + +static void hmp_info_cpustats(Monitor *mon, const QDict *qdict) +{ + cpu_dump_statistics(mon_get_cpu(), (FILE *)mon, &monitor_fprintf, 0); +} + +static void hmp_info_trace_events(Monitor *mon, const QDict *qdict) +{ + TraceEventInfoList *events = qmp_trace_event_get_state("*", NULL); + TraceEventInfoList *elem; + + for (elem = events; elem != NULL; elem = elem->next) { + monitor_printf(mon, "%s : state %u\n", + elem->value->name, + elem->value->state == TRACE_EVENT_STATE_ENABLED ? 1 : 0); + } + qapi_free_TraceEventInfoList(events); +} + +void qmp_client_migrate_info(const char *protocol, const char *hostname, + bool has_port, int64_t port, + bool has_tls_port, int64_t tls_port, + bool has_cert_subject, const char *cert_subject, + Error **errp) +{ + if (strcmp(protocol, "spice") == 0) { + if (!qemu_using_spice(errp)) { + return; + } + + if (!has_port && !has_tls_port) { + error_setg(errp, QERR_MISSING_PARAMETER, "port/tls-port"); + return; + } + + if (qemu_spice_migrate_info(hostname, + has_port ? port : -1, + has_tls_port ? tls_port : -1, + cert_subject)) { + error_setg(errp, QERR_UNDEFINED_ERROR); + return; + } + return; + } + + error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "protocol", "spice"); +} + +static void hmp_logfile(Monitor *mon, const QDict *qdict) +{ + qemu_set_log_filename(qdict_get_str(qdict, "filename")); +} + +static void hmp_log(Monitor *mon, const QDict *qdict) +{ + int mask; + const char *items = qdict_get_str(qdict, "items"); + + if (!strcmp(items, "none")) { + mask = 0; + } else { + mask = qemu_str_to_log_mask(items); + if (!mask) { + help_cmd(mon, "log"); + return; + } + } + qemu_set_log(mask); +} + +static void hmp_singlestep(Monitor *mon, const QDict *qdict) +{ + const char *option = qdict_get_try_str(qdict, "option"); + if (!option || !strcmp(option, "on")) { + singlestep = 1; + } else if (!strcmp(option, "off")) { + singlestep = 0; + } else { + monitor_printf(mon, "unexpected option %s\n", option); + } +} + +static void hmp_gdbserver(Monitor *mon, const QDict *qdict) +{ + const char *device = qdict_get_try_str(qdict, "device"); + if (!device) + device = "tcp::" DEFAULT_GDBSTUB_PORT; + if (gdbserver_start(device) < 0) { + monitor_printf(mon, "Could not open gdbserver on device '%s'\n", + device); + } else if (strcmp(device, "none") == 0) { + monitor_printf(mon, "Disabled gdbserver\n"); + } else { + monitor_printf(mon, "Waiting for gdb connection on device '%s'\n", + device); + } +} + +static void hmp_watchdog_action(Monitor *mon, const QDict *qdict) +{ + const char *action = qdict_get_str(qdict, "action"); + if (select_watchdog_action(action) == -1) { + monitor_printf(mon, "Unknown watchdog action '%s'\n", action); + } +} + +static void monitor_printc(Monitor *mon, int c) +{ + monitor_printf(mon, "'"); + switch(c) { + case '\'': + monitor_printf(mon, "\\'"); + break; + case '\\': + monitor_printf(mon, "\\\\"); + break; + case '\n': + monitor_printf(mon, "\\n"); + break; + case '\r': + monitor_printf(mon, "\\r"); + break; + default: + if (c >= 32 && c <= 126) { + monitor_printf(mon, "%c", c); + } else { + monitor_printf(mon, "\\x%02x", c); + } + break; + } + monitor_printf(mon, "'"); +} + +static void memory_dump(Monitor *mon, int count, int format, int wsize, + hwaddr addr, int is_physical) +{ + int l, line_size, i, max_digits, len; + uint8_t buf[16]; + uint64_t v; + + if (format == 'i') { + int flags = 0; +#ifdef TARGET_I386 + CPUArchState *env = mon_get_cpu_env(); + if (wsize == 2) { + flags = 1; + } else if (wsize == 4) { + flags = 0; + } else { + /* as default we use the current CS size */ + flags = 0; + if (env) { +#ifdef TARGET_X86_64 + if ((env->efer & MSR_EFER_LMA) && + (env->segs[R_CS].flags & DESC_L_MASK)) + flags = 2; + else +#endif + if (!(env->segs[R_CS].flags & DESC_B_MASK)) + flags = 1; + } + } +#endif +#ifdef TARGET_PPC + CPUArchState *env = mon_get_cpu_env(); + flags = msr_le << 16; + flags |= env->bfd_mach; +#endif + monitor_disas(mon, mon_get_cpu(), addr, count, is_physical, flags); + return; + } + + len = wsize * count; + if (wsize == 1) + line_size = 8; + else + line_size = 16; + max_digits = 0; + + switch(format) { + case 'o': + max_digits = (wsize * 8 + 2) / 3; + break; + default: + case 'x': + max_digits = (wsize * 8) / 4; + break; + case 'u': + case 'd': + max_digits = (wsize * 8 * 10 + 32) / 33; + break; + case 'c': + wsize = 1; + break; + } + + while (len > 0) { + if (is_physical) + monitor_printf(mon, TARGET_FMT_plx ":", addr); + else + monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr); + l = len; + if (l > line_size) + l = line_size; + if (is_physical) { + cpu_physical_memory_read(addr, buf, l); + } else { + if (cpu_memory_rw_debug(mon_get_cpu(), addr, buf, l, 0) < 0) { + monitor_printf(mon, " Cannot access memory\n"); + break; + } + } + i = 0; + while (i < l) { + switch(wsize) { + default: + case 1: + v = ldub_p(buf + i); + break; + case 2: + v = lduw_p(buf + i); + break; + case 4: + v = (uint32_t)ldl_p(buf + i); + break; + case 8: + v = ldq_p(buf + i); + break; + } + monitor_printf(mon, " "); + switch(format) { + case 'o': + monitor_printf(mon, "%#*" PRIo64, max_digits, v); + break; + case 'x': + monitor_printf(mon, "0x%0*" PRIx64, max_digits, v); + break; + case 'u': + monitor_printf(mon, "%*" PRIu64, max_digits, v); + break; + case 'd': + monitor_printf(mon, "%*" PRId64, max_digits, v); + break; + case 'c': + monitor_printc(mon, v); + break; + } + i += wsize; + } + monitor_printf(mon, "\n"); + addr += l; + len -= l; + } +} + +static void hmp_memory_dump(Monitor *mon, const QDict *qdict) +{ + int count = qdict_get_int(qdict, "count"); + int format = qdict_get_int(qdict, "format"); + int size = qdict_get_int(qdict, "size"); + target_long addr = qdict_get_int(qdict, "addr"); + + memory_dump(mon, count, format, size, addr, 0); +} + +static void hmp_physical_memory_dump(Monitor *mon, const QDict *qdict) +{ + int count = qdict_get_int(qdict, "count"); + int format = qdict_get_int(qdict, "format"); + int size = qdict_get_int(qdict, "size"); + hwaddr addr = qdict_get_int(qdict, "addr"); + + memory_dump(mon, count, format, size, addr, 1); +} + +static void do_print(Monitor *mon, const QDict *qdict) +{ + int format = qdict_get_int(qdict, "format"); + hwaddr val = qdict_get_int(qdict, "val"); + + switch(format) { + case 'o': + monitor_printf(mon, "%#" HWADDR_PRIo, val); + break; + case 'x': + monitor_printf(mon, "%#" HWADDR_PRIx, val); + break; + case 'u': + monitor_printf(mon, "%" HWADDR_PRIu, val); + break; + default: + case 'd': + monitor_printf(mon, "%" HWADDR_PRId, val); + break; + case 'c': + monitor_printc(mon, val); + break; + } + monitor_printf(mon, "\n"); +} + +static void hmp_sum(Monitor *mon, const QDict *qdict) +{ + uint32_t addr; + uint16_t sum; + uint32_t start = qdict_get_int(qdict, "start"); + uint32_t size = qdict_get_int(qdict, "size"); + + sum = 0; + for(addr = start; addr < (start + size); addr++) { + uint8_t val = address_space_ldub(&address_space_memory, addr, + MEMTXATTRS_UNSPECIFIED, NULL); + /* BSD sum algorithm ('sum' Unix command) */ + sum = (sum >> 1) | (sum << 15); + sum += val; + } + monitor_printf(mon, "%05d\n", sum); +} + +static int mouse_button_state; + +static void hmp_mouse_move(Monitor *mon, const QDict *qdict) +{ + int dx, dy, dz, button; + const char *dx_str = qdict_get_str(qdict, "dx_str"); + const char *dy_str = qdict_get_str(qdict, "dy_str"); + const char *dz_str = qdict_get_try_str(qdict, "dz_str"); + + dx = strtol(dx_str, NULL, 0); + dy = strtol(dy_str, NULL, 0); + qemu_input_queue_rel(NULL, INPUT_AXIS_X, dx); + qemu_input_queue_rel(NULL, INPUT_AXIS_Y, dy); + + if (dz_str) { + dz = strtol(dz_str, NULL, 0); + if (dz != 0) { + button = (dz > 0) ? INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN; + qemu_input_queue_btn(NULL, button, true); + qemu_input_event_sync(); + qemu_input_queue_btn(NULL, button, false); + } + } + qemu_input_event_sync(); +} + +static void hmp_mouse_button(Monitor *mon, const QDict *qdict) +{ + static uint32_t bmap[INPUT_BUTTON_MAX] = { + [INPUT_BUTTON_LEFT] = MOUSE_EVENT_LBUTTON, + [INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON, + [INPUT_BUTTON_RIGHT] = MOUSE_EVENT_RBUTTON, + }; + int button_state = qdict_get_int(qdict, "button_state"); + + if (mouse_button_state == button_state) { + return; + } + qemu_input_update_buttons(NULL, bmap, mouse_button_state, button_state); + qemu_input_event_sync(); + mouse_button_state = button_state; +} + +static void hmp_ioport_read(Monitor *mon, const QDict *qdict) +{ + int size = qdict_get_int(qdict, "size"); + int addr = qdict_get_int(qdict, "addr"); + int has_index = qdict_haskey(qdict, "index"); + uint32_t val; + int suffix; + + if (has_index) { + int index = qdict_get_int(qdict, "index"); + cpu_outb(addr & IOPORTS_MASK, index & 0xff); + addr++; + } + addr &= 0xffff; + + switch(size) { + default: + case 1: + val = cpu_inb(addr); + suffix = 'b'; + break; + case 2: + val = cpu_inw(addr); + suffix = 'w'; + break; + case 4: + val = cpu_inl(addr); + suffix = 'l'; + break; + } + monitor_printf(mon, "port%c[0x%04x] = %#0*x\n", + suffix, addr, size * 2, val); +} + +static void hmp_ioport_write(Monitor *mon, const QDict *qdict) +{ + int size = qdict_get_int(qdict, "size"); + int addr = qdict_get_int(qdict, "addr"); + int val = qdict_get_int(qdict, "val"); + + addr &= IOPORTS_MASK; + + switch (size) { + default: + case 1: + cpu_outb(addr, val); + break; + case 2: + cpu_outw(addr, val); + break; + case 4: + cpu_outl(addr, val); + break; + } +} + +static void hmp_boot_set(Monitor *mon, const QDict *qdict) +{ + Error *local_err = NULL; + const char *bootdevice = qdict_get_str(qdict, "bootdevice"); + + qemu_boot_set(bootdevice, &local_err); + if (local_err) { + monitor_printf(mon, "%s\n", error_get_pretty(local_err)); + error_free(local_err); + } else { + monitor_printf(mon, "boot device list now set to %s\n", bootdevice); + } +} + +#if defined(TARGET_I386) +static void print_pte(Monitor *mon, hwaddr addr, + hwaddr pte, + hwaddr mask) +{ +#ifdef TARGET_X86_64 + if (addr & (1ULL << 47)) { + addr |= -1LL << 48; + } +#endif + monitor_printf(mon, TARGET_FMT_plx ": " TARGET_FMT_plx + " %c%c%c%c%c%c%c%c%c\n", + addr, + pte & mask, + pte & PG_NX_MASK ? 'X' : '-', + pte & PG_GLOBAL_MASK ? 'G' : '-', + pte & PG_PSE_MASK ? 'P' : '-', + pte & PG_DIRTY_MASK ? 'D' : '-', + pte & PG_ACCESSED_MASK ? 'A' : '-', + pte & PG_PCD_MASK ? 'C' : '-', + pte & PG_PWT_MASK ? 'T' : '-', + pte & PG_USER_MASK ? 'U' : '-', + pte & PG_RW_MASK ? 'W' : '-'); +} + +static void tlb_info_32(Monitor *mon, CPUArchState *env) +{ + unsigned int l1, l2; + uint32_t pgd, pde, pte; + + pgd = env->cr[3] & ~0xfff; + for(l1 = 0; l1 < 1024; l1++) { + cpu_physical_memory_read(pgd + l1 * 4, &pde, 4); + pde = le32_to_cpu(pde); + if (pde & PG_PRESENT_MASK) { + if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) { + /* 4M pages */ + print_pte(mon, (l1 << 22), pde, ~((1 << 21) - 1)); + } else { + for(l2 = 0; l2 < 1024; l2++) { + cpu_physical_memory_read((pde & ~0xfff) + l2 * 4, &pte, 4); + pte = le32_to_cpu(pte); + if (pte & PG_PRESENT_MASK) { + print_pte(mon, (l1 << 22) + (l2 << 12), + pte & ~PG_PSE_MASK, + ~0xfff); + } + } + } + } + } +} + +static void tlb_info_pae32(Monitor *mon, CPUArchState *env) +{ + unsigned int l1, l2, l3; + uint64_t pdpe, pde, pte; + uint64_t pdp_addr, pd_addr, pt_addr; + + pdp_addr = env->cr[3] & ~0x1f; + for (l1 = 0; l1 < 4; l1++) { + cpu_physical_memory_read(pdp_addr + l1 * 8, &pdpe, 8); + pdpe = le64_to_cpu(pdpe); + if (pdpe & PG_PRESENT_MASK) { + pd_addr = pdpe & 0x3fffffffff000ULL; + for (l2 = 0; l2 < 512; l2++) { + cpu_physical_memory_read(pd_addr + l2 * 8, &pde, 8); + pde = le64_to_cpu(pde); + if (pde & PG_PRESENT_MASK) { + if (pde & PG_PSE_MASK) { + /* 2M pages with PAE, CR4.PSE is ignored */ + print_pte(mon, (l1 << 30 ) + (l2 << 21), pde, + ~((hwaddr)(1 << 20) - 1)); + } else { + pt_addr = pde & 0x3fffffffff000ULL; + for (l3 = 0; l3 < 512; l3++) { + cpu_physical_memory_read(pt_addr + l3 * 8, &pte, 8); + pte = le64_to_cpu(pte); + if (pte & PG_PRESENT_MASK) { + print_pte(mon, (l1 << 30 ) + (l2 << 21) + + (l3 << 12), + pte & ~PG_PSE_MASK, + ~(hwaddr)0xfff); + } + } + } + } + } + } + } +} + +#ifdef TARGET_X86_64 +static void tlb_info_64(Monitor *mon, CPUArchState *env) +{ + uint64_t l1, l2, l3, l4; + uint64_t pml4e, pdpe, pde, pte; + uint64_t pml4_addr, pdp_addr, pd_addr, pt_addr; + + pml4_addr = env->cr[3] & 0x3fffffffff000ULL; + for (l1 = 0; l1 < 512; l1++) { + cpu_physical_memory_read(pml4_addr + l1 * 8, &pml4e, 8); + pml4e = le64_to_cpu(pml4e); + if (pml4e & PG_PRESENT_MASK) { + pdp_addr = pml4e & 0x3fffffffff000ULL; + for (l2 = 0; l2 < 512; l2++) { + cpu_physical_memory_read(pdp_addr + l2 * 8, &pdpe, 8); + pdpe = le64_to_cpu(pdpe); + if (pdpe & PG_PRESENT_MASK) { + if (pdpe & PG_PSE_MASK) { + /* 1G pages, CR4.PSE is ignored */ + print_pte(mon, (l1 << 39) + (l2 << 30), pdpe, + 0x3ffffc0000000ULL); + } else { + pd_addr = pdpe & 0x3fffffffff000ULL; + for (l3 = 0; l3 < 512; l3++) { + cpu_physical_memory_read(pd_addr + l3 * 8, &pde, 8); + pde = le64_to_cpu(pde); + if (pde & PG_PRESENT_MASK) { + if (pde & PG_PSE_MASK) { + /* 2M pages, CR4.PSE is ignored */ + print_pte(mon, (l1 << 39) + (l2 << 30) + + (l3 << 21), pde, + 0x3ffffffe00000ULL); + } else { + pt_addr = pde & 0x3fffffffff000ULL; + for (l4 = 0; l4 < 512; l4++) { + cpu_physical_memory_read(pt_addr + + l4 * 8, + &pte, 8); + pte = le64_to_cpu(pte); + if (pte & PG_PRESENT_MASK) { + print_pte(mon, (l1 << 39) + + (l2 << 30) + + (l3 << 21) + (l4 << 12), + pte & ~PG_PSE_MASK, + 0x3fffffffff000ULL); + } + } + } + } + } + } + } + } + } + } +} +#endif + +static void hmp_info_tlb(Monitor *mon, const QDict *qdict) +{ + CPUArchState *env; + + env = mon_get_cpu_env(); + + if (!(env->cr[0] & CR0_PG_MASK)) { + monitor_printf(mon, "PG disabled\n"); + return; + } + if (env->cr[4] & CR4_PAE_MASK) { +#ifdef TARGET_X86_64 + if (env->hflags & HF_LMA_MASK) { + tlb_info_64(mon, env); + } else +#endif + { + tlb_info_pae32(mon, env); + } + } else { + tlb_info_32(mon, env); + } +} + +static void mem_print(Monitor *mon, hwaddr *pstart, + int *plast_prot, + hwaddr end, int prot) +{ + int prot1; + prot1 = *plast_prot; + if (prot != prot1) { + if (*pstart != -1) { + monitor_printf(mon, TARGET_FMT_plx "-" TARGET_FMT_plx " " + TARGET_FMT_plx " %c%c%c\n", + *pstart, end, end - *pstart, + prot1 & PG_USER_MASK ? 'u' : '-', + 'r', + prot1 & PG_RW_MASK ? 'w' : '-'); + } + if (prot != 0) + *pstart = end; + else + *pstart = -1; + *plast_prot = prot; + } +} + +static void mem_info_32(Monitor *mon, CPUArchState *env) +{ + unsigned int l1, l2; + int prot, last_prot; + uint32_t pgd, pde, pte; + hwaddr start, end; + + pgd = env->cr[3] & ~0xfff; + last_prot = 0; + start = -1; + for(l1 = 0; l1 < 1024; l1++) { + cpu_physical_memory_read(pgd + l1 * 4, &pde, 4); + pde = le32_to_cpu(pde); + end = l1 << 22; + if (pde & PG_PRESENT_MASK) { + if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) { + prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK); + mem_print(mon, &start, &last_prot, end, prot); + } else { + for(l2 = 0; l2 < 1024; l2++) { + cpu_physical_memory_read((pde & ~0xfff) + l2 * 4, &pte, 4); + pte = le32_to_cpu(pte); + end = (l1 << 22) + (l2 << 12); + if (pte & PG_PRESENT_MASK) { + prot = pte & pde & + (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK); + } else { + prot = 0; + } + mem_print(mon, &start, &last_prot, end, prot); + } + } + } else { + prot = 0; + mem_print(mon, &start, &last_prot, end, prot); + } + } + /* Flush last range */ + mem_print(mon, &start, &last_prot, (hwaddr)1 << 32, 0); +} + +static void mem_info_pae32(Monitor *mon, CPUArchState *env) +{ + unsigned int l1, l2, l3; + int prot, last_prot; + uint64_t pdpe, pde, pte; + uint64_t pdp_addr, pd_addr, pt_addr; + hwaddr start, end; + + pdp_addr = env->cr[3] & ~0x1f; + last_prot = 0; + start = -1; + for (l1 = 0; l1 < 4; l1++) { + cpu_physical_memory_read(pdp_addr + l1 * 8, &pdpe, 8); + pdpe = le64_to_cpu(pdpe); + end = l1 << 30; + if (pdpe & PG_PRESENT_MASK) { + pd_addr = pdpe & 0x3fffffffff000ULL; + for (l2 = 0; l2 < 512; l2++) { + cpu_physical_memory_read(pd_addr + l2 * 8, &pde, 8); + pde = le64_to_cpu(pde); + end = (l1 << 30) + (l2 << 21); + if (pde & PG_PRESENT_MASK) { + if (pde & PG_PSE_MASK) { + prot = pde & (PG_USER_MASK | PG_RW_MASK | + PG_PRESENT_MASK); + mem_print(mon, &start, &last_prot, end, prot); + } else { + pt_addr = pde & 0x3fffffffff000ULL; + for (l3 = 0; l3 < 512; l3++) { + cpu_physical_memory_read(pt_addr + l3 * 8, &pte, 8); + pte = le64_to_cpu(pte); + end = (l1 << 30) + (l2 << 21) + (l3 << 12); + if (pte & PG_PRESENT_MASK) { + prot = pte & pde & (PG_USER_MASK | PG_RW_MASK | + PG_PRESENT_MASK); + } else { + prot = 0; + } + mem_print(mon, &start, &last_prot, end, prot); + } + } + } else { + prot = 0; + mem_print(mon, &start, &last_prot, end, prot); + } + } + } else { + prot = 0; + mem_print(mon, &start, &last_prot, end, prot); + } + } + /* Flush last range */ + mem_print(mon, &start, &last_prot, (hwaddr)1 << 32, 0); +} + + +#ifdef TARGET_X86_64 +static void mem_info_64(Monitor *mon, CPUArchState *env) +{ + int prot, last_prot; + uint64_t l1, l2, l3, l4; + uint64_t pml4e, pdpe, pde, pte; + uint64_t pml4_addr, pdp_addr, pd_addr, pt_addr, start, end; + + pml4_addr = env->cr[3] & 0x3fffffffff000ULL; + last_prot = 0; + start = -1; + for (l1 = 0; l1 < 512; l1++) { + cpu_physical_memory_read(pml4_addr + l1 * 8, &pml4e, 8); + pml4e = le64_to_cpu(pml4e); + end = l1 << 39; + if (pml4e & PG_PRESENT_MASK) { + pdp_addr = pml4e & 0x3fffffffff000ULL; + for (l2 = 0; l2 < 512; l2++) { + cpu_physical_memory_read(pdp_addr + l2 * 8, &pdpe, 8); + pdpe = le64_to_cpu(pdpe); + end = (l1 << 39) + (l2 << 30); + if (pdpe & PG_PRESENT_MASK) { + if (pdpe & PG_PSE_MASK) { + prot = pdpe & (PG_USER_MASK | PG_RW_MASK | + PG_PRESENT_MASK); + prot &= pml4e; + mem_print(mon, &start, &last_prot, end, prot); + } else { + pd_addr = pdpe & 0x3fffffffff000ULL; + for (l3 = 0; l3 < 512; l3++) { + cpu_physical_memory_read(pd_addr + l3 * 8, &pde, 8); + pde = le64_to_cpu(pde); + end = (l1 << 39) + (l2 << 30) + (l3 << 21); + if (pde & PG_PRESENT_MASK) { + if (pde & PG_PSE_MASK) { + prot = pde & (PG_USER_MASK | PG_RW_MASK | + PG_PRESENT_MASK); + prot &= pml4e & pdpe; + mem_print(mon, &start, &last_prot, end, prot); + } else { + pt_addr = pde & 0x3fffffffff000ULL; + for (l4 = 0; l4 < 512; l4++) { + cpu_physical_memory_read(pt_addr + + l4 * 8, + &pte, 8); + pte = le64_to_cpu(pte); + end = (l1 << 39) + (l2 << 30) + + (l3 << 21) + (l4 << 12); + if (pte & PG_PRESENT_MASK) { + prot = pte & (PG_USER_MASK | PG_RW_MASK | + PG_PRESENT_MASK); + prot &= pml4e & pdpe & pde; + } else { + prot = 0; + } + mem_print(mon, &start, &last_prot, end, prot); + } + } + } else { + prot = 0; + mem_print(mon, &start, &last_prot, end, prot); + } + } + } + } else { + prot = 0; + mem_print(mon, &start, &last_prot, end, prot); + } + } + } else { + prot = 0; + mem_print(mon, &start, &last_prot, end, prot); + } + } + /* Flush last range */ + mem_print(mon, &start, &last_prot, (hwaddr)1 << 48, 0); +} +#endif + +static void hmp_info_mem(Monitor *mon, const QDict *qdict) +{ + CPUArchState *env; + + env = mon_get_cpu_env(); + + if (!(env->cr[0] & CR0_PG_MASK)) { + monitor_printf(mon, "PG disabled\n"); + return; + } + if (env->cr[4] & CR4_PAE_MASK) { +#ifdef TARGET_X86_64 + if (env->hflags & HF_LMA_MASK) { + mem_info_64(mon, env); + } else +#endif + { + mem_info_pae32(mon, env); + } + } else { + mem_info_32(mon, env); + } +} +#endif + +#if defined(TARGET_SH4) + +static void print_tlb(Monitor *mon, int idx, tlb_t *tlb) +{ + monitor_printf(mon, " tlb%i:\t" + "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t" + "v=%hhu shared=%hhu cached=%hhu prot=%hhu " + "dirty=%hhu writethrough=%hhu\n", + idx, + tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size, + tlb->v, tlb->sh, tlb->c, tlb->pr, + tlb->d, tlb->wt); +} + +static void hmp_info_tlb(Monitor *mon, const QDict *qdict) +{ + CPUArchState *env = mon_get_cpu_env(); + int i; + + monitor_printf (mon, "ITLB:\n"); + for (i = 0 ; i < ITLB_SIZE ; i++) + print_tlb (mon, i, &env->itlb[i]); + monitor_printf (mon, "UTLB:\n"); + for (i = 0 ; i < UTLB_SIZE ; i++) + print_tlb (mon, i, &env->utlb[i]); +} + +#endif + +#if defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_XTENSA) +static void hmp_info_tlb(Monitor *mon, const QDict *qdict) +{ + CPUArchState *env1 = mon_get_cpu_env(); + + dump_mmu((FILE*)mon, (fprintf_function)monitor_printf, env1); +} +#endif + +static void hmp_info_mtree(Monitor *mon, const QDict *qdict) +{ + mtree_info((fprintf_function)monitor_printf, mon); +} + +static void hmp_info_numa(Monitor *mon, const QDict *qdict) +{ + int i; + CPUState *cpu; + uint64_t *node_mem; + + node_mem = g_new0(uint64_t, nb_numa_nodes); + query_numa_node_mem(node_mem); + monitor_printf(mon, "%d nodes\n", nb_numa_nodes); + for (i = 0; i < nb_numa_nodes; i++) { + monitor_printf(mon, "node %d cpus:", i); + CPU_FOREACH(cpu) { + if (cpu->numa_node == i) { + monitor_printf(mon, " %d", cpu->cpu_index); + } + } + monitor_printf(mon, "\n"); + monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i, + node_mem[i] >> 20); + } + g_free(node_mem); +} + +#ifdef CONFIG_PROFILER + +int64_t tcg_time; +int64_t dev_time; + +static void hmp_info_profile(Monitor *mon, const QDict *qdict) +{ + monitor_printf(mon, "async time %" PRId64 " (%0.3f)\n", + dev_time, dev_time / (double)get_ticks_per_sec()); + monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n", + tcg_time, tcg_time / (double)get_ticks_per_sec()); + tcg_time = 0; + dev_time = 0; +} +#else +static void hmp_info_profile(Monitor *mon, const QDict *qdict) +{ + monitor_printf(mon, "Internal profiler not compiled\n"); +} +#endif + +/* Capture support */ +static QLIST_HEAD (capture_list_head, CaptureState) capture_head; + +static void hmp_info_capture(Monitor *mon, const QDict *qdict) +{ + int i; + CaptureState *s; + + for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) { + monitor_printf(mon, "[%d]: ", i); + s->ops.info (s->opaque); + } +} + +static void hmp_stopcapture(Monitor *mon, const QDict *qdict) +{ + int i; + int n = qdict_get_int(qdict, "n"); + CaptureState *s; + + for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) { + if (i == n) { + s->ops.destroy (s->opaque); + QLIST_REMOVE (s, entries); + g_free (s); + return; + } + } +} + +static void hmp_wavcapture(Monitor *mon, const QDict *qdict) +{ + const char *path = qdict_get_str(qdict, "path"); + int has_freq = qdict_haskey(qdict, "freq"); + int freq = qdict_get_try_int(qdict, "freq", -1); + int has_bits = qdict_haskey(qdict, "bits"); + int bits = qdict_get_try_int(qdict, "bits", -1); + int has_channels = qdict_haskey(qdict, "nchannels"); + int nchannels = qdict_get_try_int(qdict, "nchannels", -1); + CaptureState *s; + + s = g_malloc0 (sizeof (*s)); + + freq = has_freq ? freq : 44100; + bits = has_bits ? bits : 16; + nchannels = has_channels ? nchannels : 2; + + if (wav_start_capture (s, path, freq, bits, nchannels)) { + monitor_printf(mon, "Failed to add wave capture\n"); + g_free (s); + return; + } + QLIST_INSERT_HEAD (&capture_head, s, entries); +} + +static qemu_acl *find_acl(Monitor *mon, const char *name) +{ + qemu_acl *acl = qemu_acl_find(name); + + if (!acl) { + monitor_printf(mon, "acl: unknown list '%s'\n", name); + } + return acl; +} + +static void hmp_acl_show(Monitor *mon, const QDict *qdict) +{ + const char *aclname = qdict_get_str(qdict, "aclname"); + qemu_acl *acl = find_acl(mon, aclname); + qemu_acl_entry *entry; + int i = 0; + + if (acl) { + monitor_printf(mon, "policy: %s\n", + acl->defaultDeny ? "deny" : "allow"); + QTAILQ_FOREACH(entry, &acl->entries, next) { + i++; + monitor_printf(mon, "%d: %s %s\n", i, + entry->deny ? "deny" : "allow", entry->match); + } + } +} + +static void hmp_acl_reset(Monitor *mon, const QDict *qdict) +{ + const char *aclname = qdict_get_str(qdict, "aclname"); + qemu_acl *acl = find_acl(mon, aclname); + + if (acl) { + qemu_acl_reset(acl); + monitor_printf(mon, "acl: removed all rules\n"); + } +} + +static void hmp_acl_policy(Monitor *mon, const QDict *qdict) +{ + const char *aclname = qdict_get_str(qdict, "aclname"); + const char *policy = qdict_get_str(qdict, "policy"); + qemu_acl *acl = find_acl(mon, aclname); + + if (acl) { + if (strcmp(policy, "allow") == 0) { + acl->defaultDeny = 0; + monitor_printf(mon, "acl: policy set to 'allow'\n"); + } else if (strcmp(policy, "deny") == 0) { + acl->defaultDeny = 1; + monitor_printf(mon, "acl: policy set to 'deny'\n"); + } else { + monitor_printf(mon, "acl: unknown policy '%s', " + "expected 'deny' or 'allow'\n", policy); + } + } +} + +static void hmp_acl_add(Monitor *mon, const QDict *qdict) +{ + const char *aclname = qdict_get_str(qdict, "aclname"); + const char *match = qdict_get_str(qdict, "match"); + const char *policy = qdict_get_str(qdict, "policy"); + int has_index = qdict_haskey(qdict, "index"); + int index = qdict_get_try_int(qdict, "index", -1); + qemu_acl *acl = find_acl(mon, aclname); + int deny, ret; + + if (acl) { + if (strcmp(policy, "allow") == 0) { + deny = 0; + } else if (strcmp(policy, "deny") == 0) { + deny = 1; + } else { + monitor_printf(mon, "acl: unknown policy '%s', " + "expected 'deny' or 'allow'\n", policy); + return; + } + if (has_index) + ret = qemu_acl_insert(acl, deny, match, index); + else + ret = qemu_acl_append(acl, deny, match); + if (ret < 0) + monitor_printf(mon, "acl: unable to add acl entry\n"); + else + monitor_printf(mon, "acl: added rule at position %d\n", ret); + } +} + +static void hmp_acl_remove(Monitor *mon, const QDict *qdict) +{ + const char *aclname = qdict_get_str(qdict, "aclname"); + const char *match = qdict_get_str(qdict, "match"); + qemu_acl *acl = find_acl(mon, aclname); + int ret; + + if (acl) { + ret = qemu_acl_remove(acl, match); + if (ret < 0) + monitor_printf(mon, "acl: no matching acl entry\n"); + else + monitor_printf(mon, "acl: removed rule at position %d\n", ret); + } +} + +#if defined(TARGET_I386) +static void hmp_mce(Monitor *mon, const QDict *qdict) +{ + X86CPU *cpu; + CPUState *cs; + int cpu_index = qdict_get_int(qdict, "cpu_index"); + int bank = qdict_get_int(qdict, "bank"); + uint64_t status = qdict_get_int(qdict, "status"); + uint64_t mcg_status = qdict_get_int(qdict, "mcg_status"); + uint64_t addr = qdict_get_int(qdict, "addr"); + uint64_t misc = qdict_get_int(qdict, "misc"); + int flags = MCE_INJECT_UNCOND_AO; + + if (qdict_get_try_bool(qdict, "broadcast", false)) { + flags |= MCE_INJECT_BROADCAST; + } + cs = qemu_get_cpu(cpu_index); + if (cs != NULL) { + cpu = X86_CPU(cs); + cpu_x86_inject_mce(mon, cpu, bank, status, mcg_status, addr, misc, + flags); + } +} +#endif + +void qmp_getfd(const char *fdname, Error **errp) +{ + mon_fd_t *monfd; + int fd; + + fd = qemu_chr_fe_get_msgfd(cur_mon->chr); + if (fd == -1) { + error_setg(errp, QERR_FD_NOT_SUPPLIED); + return; + } + + if (qemu_isdigit(fdname[0])) { + close(fd); + error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdname", + "a name not starting with a digit"); + return; + } + + QLIST_FOREACH(monfd, &cur_mon->fds, next) { + if (strcmp(monfd->name, fdname) != 0) { + continue; + } + + close(monfd->fd); + monfd->fd = fd; + return; + } + + monfd = g_malloc0(sizeof(mon_fd_t)); + monfd->name = g_strdup(fdname); + monfd->fd = fd; + + QLIST_INSERT_HEAD(&cur_mon->fds, monfd, next); +} + +void qmp_closefd(const char *fdname, Error **errp) +{ + mon_fd_t *monfd; + + QLIST_FOREACH(monfd, &cur_mon->fds, next) { + if (strcmp(monfd->name, fdname) != 0) { + continue; + } + + QLIST_REMOVE(monfd, next); + close(monfd->fd); + g_free(monfd->name); + g_free(monfd); + return; + } + + error_setg(errp, QERR_FD_NOT_FOUND, fdname); +} + +static void hmp_loadvm(Monitor *mon, const QDict *qdict) +{ + int saved_vm_running = runstate_is_running(); + const char *name = qdict_get_str(qdict, "name"); + + vm_stop(RUN_STATE_RESTORE_VM); + + if (load_vmstate(name) == 0 && saved_vm_running) { + vm_start(); + } +} + +int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp) +{ + mon_fd_t *monfd; + + QLIST_FOREACH(monfd, &mon->fds, next) { + int fd; + + if (strcmp(monfd->name, fdname) != 0) { + continue; + } + + fd = monfd->fd; + + /* caller takes ownership of fd */ + QLIST_REMOVE(monfd, next); + g_free(monfd->name); + g_free(monfd); + + return fd; + } + + error_setg(errp, "File descriptor named '%s' has not been found", fdname); + return -1; +} + +static void monitor_fdset_cleanup(MonFdset *mon_fdset) +{ + MonFdsetFd *mon_fdset_fd; + MonFdsetFd *mon_fdset_fd_next; + + QLIST_FOREACH_SAFE(mon_fdset_fd, &mon_fdset->fds, next, mon_fdset_fd_next) { + if ((mon_fdset_fd->removed || + (QLIST_EMPTY(&mon_fdset->dup_fds) && mon_refcount == 0)) && + runstate_is_running()) { + close(mon_fdset_fd->fd); + g_free(mon_fdset_fd->opaque); + QLIST_REMOVE(mon_fdset_fd, next); + g_free(mon_fdset_fd); + } + } + + if (QLIST_EMPTY(&mon_fdset->fds) && QLIST_EMPTY(&mon_fdset->dup_fds)) { + QLIST_REMOVE(mon_fdset, next); + g_free(mon_fdset); + } +} + +static void monitor_fdsets_cleanup(void) +{ + MonFdset *mon_fdset; + MonFdset *mon_fdset_next; + + QLIST_FOREACH_SAFE(mon_fdset, &mon_fdsets, next, mon_fdset_next) { + monitor_fdset_cleanup(mon_fdset); + } +} + +AddfdInfo *qmp_add_fd(bool has_fdset_id, int64_t fdset_id, bool has_opaque, + const char *opaque, Error **errp) +{ + int fd; + Monitor *mon = cur_mon; + AddfdInfo *fdinfo; + + fd = qemu_chr_fe_get_msgfd(mon->chr); + if (fd == -1) { + error_setg(errp, QERR_FD_NOT_SUPPLIED); + goto error; + } + + fdinfo = monitor_fdset_add_fd(fd, has_fdset_id, fdset_id, + has_opaque, opaque, errp); + if (fdinfo) { + return fdinfo; + } + +error: + if (fd != -1) { + close(fd); + } + return NULL; +} + +void qmp_remove_fd(int64_t fdset_id, bool has_fd, int64_t fd, Error **errp) +{ + MonFdset *mon_fdset; + MonFdsetFd *mon_fdset_fd; + char fd_str[60]; + + QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { + if (mon_fdset->id != fdset_id) { + continue; + } + QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) { + if (has_fd) { + if (mon_fdset_fd->fd != fd) { + continue; + } + mon_fdset_fd->removed = true; + break; + } else { + mon_fdset_fd->removed = true; + } + } + if (has_fd && !mon_fdset_fd) { + goto error; + } + monitor_fdset_cleanup(mon_fdset); + return; + } + +error: + if (has_fd) { + snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64 ", fd:%" PRId64, + fdset_id, fd); + } else { + snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64, fdset_id); + } + error_setg(errp, QERR_FD_NOT_FOUND, fd_str); +} + +FdsetInfoList *qmp_query_fdsets(Error **errp) +{ + MonFdset *mon_fdset; + MonFdsetFd *mon_fdset_fd; + FdsetInfoList *fdset_list = NULL; + + QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { + FdsetInfoList *fdset_info = g_malloc0(sizeof(*fdset_info)); + FdsetFdInfoList *fdsetfd_list = NULL; + + fdset_info->value = g_malloc0(sizeof(*fdset_info->value)); + fdset_info->value->fdset_id = mon_fdset->id; + + QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) { + FdsetFdInfoList *fdsetfd_info; + + fdsetfd_info = g_malloc0(sizeof(*fdsetfd_info)); + fdsetfd_info->value = g_malloc0(sizeof(*fdsetfd_info->value)); + fdsetfd_info->value->fd = mon_fdset_fd->fd; + if (mon_fdset_fd->opaque) { + fdsetfd_info->value->has_opaque = true; + fdsetfd_info->value->opaque = g_strdup(mon_fdset_fd->opaque); + } else { + fdsetfd_info->value->has_opaque = false; + } + + fdsetfd_info->next = fdsetfd_list; + fdsetfd_list = fdsetfd_info; + } + + fdset_info->value->fds = fdsetfd_list; + + fdset_info->next = fdset_list; + fdset_list = fdset_info; + } + + return fdset_list; +} + +AddfdInfo *monitor_fdset_add_fd(int fd, bool has_fdset_id, int64_t fdset_id, + bool has_opaque, const char *opaque, + Error **errp) +{ + MonFdset *mon_fdset = NULL; + MonFdsetFd *mon_fdset_fd; + AddfdInfo *fdinfo; + + if (has_fdset_id) { + QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { + /* Break if match found or match impossible due to ordering by ID */ + if (fdset_id <= mon_fdset->id) { + if (fdset_id < mon_fdset->id) { + mon_fdset = NULL; + } + break; + } + } + } + + if (mon_fdset == NULL) { + int64_t fdset_id_prev = -1; + MonFdset *mon_fdset_cur = QLIST_FIRST(&mon_fdsets); + + if (has_fdset_id) { + if (fdset_id < 0) { + error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdset-id", + "a non-negative value"); + return NULL; + } + /* Use specified fdset ID */ + QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { + mon_fdset_cur = mon_fdset; + if (fdset_id < mon_fdset_cur->id) { + break; + } + } + } else { + /* Use first available fdset ID */ + QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { + mon_fdset_cur = mon_fdset; + if (fdset_id_prev == mon_fdset_cur->id - 1) { + fdset_id_prev = mon_fdset_cur->id; + continue; + } + break; + } + } + + mon_fdset = g_malloc0(sizeof(*mon_fdset)); + if (has_fdset_id) { + mon_fdset->id = fdset_id; + } else { + mon_fdset->id = fdset_id_prev + 1; + } + + /* The fdset list is ordered by fdset ID */ + if (!mon_fdset_cur) { + QLIST_INSERT_HEAD(&mon_fdsets, mon_fdset, next); + } else if (mon_fdset->id < mon_fdset_cur->id) { + QLIST_INSERT_BEFORE(mon_fdset_cur, mon_fdset, next); + } else { + QLIST_INSERT_AFTER(mon_fdset_cur, mon_fdset, next); + } + } + + mon_fdset_fd = g_malloc0(sizeof(*mon_fdset_fd)); + mon_fdset_fd->fd = fd; + mon_fdset_fd->removed = false; + if (has_opaque) { + mon_fdset_fd->opaque = g_strdup(opaque); + } + QLIST_INSERT_HEAD(&mon_fdset->fds, mon_fdset_fd, next); + + fdinfo = g_malloc0(sizeof(*fdinfo)); + fdinfo->fdset_id = mon_fdset->id; + fdinfo->fd = mon_fdset_fd->fd; + + return fdinfo; +} + +int monitor_fdset_get_fd(int64_t fdset_id, int flags) +{ +#ifndef _WIN32 + MonFdset *mon_fdset; + MonFdsetFd *mon_fdset_fd; + int mon_fd_flags; + + QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { + if (mon_fdset->id != fdset_id) { + continue; + } + QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) { + mon_fd_flags = fcntl(mon_fdset_fd->fd, F_GETFL); + if (mon_fd_flags == -1) { + return -1; + } + + if ((flags & O_ACCMODE) == (mon_fd_flags & O_ACCMODE)) { + return mon_fdset_fd->fd; + } + } + errno = EACCES; + return -1; + } +#endif + + errno = ENOENT; + return -1; +} + +int monitor_fdset_dup_fd_add(int64_t fdset_id, int dup_fd) +{ + MonFdset *mon_fdset; + MonFdsetFd *mon_fdset_fd_dup; + + QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { + if (mon_fdset->id != fdset_id) { + continue; + } + QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) { + if (mon_fdset_fd_dup->fd == dup_fd) { + return -1; + } + } + mon_fdset_fd_dup = g_malloc0(sizeof(*mon_fdset_fd_dup)); + mon_fdset_fd_dup->fd = dup_fd; + QLIST_INSERT_HEAD(&mon_fdset->dup_fds, mon_fdset_fd_dup, next); + return 0; + } + return -1; +} + +static int monitor_fdset_dup_fd_find_remove(int dup_fd, bool remove) +{ + MonFdset *mon_fdset; + MonFdsetFd *mon_fdset_fd_dup; + + QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { + QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) { + if (mon_fdset_fd_dup->fd == dup_fd) { + if (remove) { + QLIST_REMOVE(mon_fdset_fd_dup, next); + if (QLIST_EMPTY(&mon_fdset->dup_fds)) { + monitor_fdset_cleanup(mon_fdset); + } + return -1; + } else { + return mon_fdset->id; + } + } + } + } + return -1; +} + +int monitor_fdset_dup_fd_find(int dup_fd) +{ + return monitor_fdset_dup_fd_find_remove(dup_fd, false); +} + +void monitor_fdset_dup_fd_remove(int dup_fd) +{ + monitor_fdset_dup_fd_find_remove(dup_fd, true); +} + +int monitor_fd_param(Monitor *mon, const char *fdname, Error **errp) +{ + int fd; + Error *local_err = NULL; + + if (!qemu_isdigit(fdname[0]) && mon) { + fd = monitor_get_fd(mon, fdname, &local_err); + } else { + fd = qemu_parse_fd(fdname); + if (fd == -1) { + error_setg(&local_err, "Invalid file descriptor number '%s'", + fdname); + } + } + if (local_err) { + error_propagate(errp, local_err); + assert(fd == -1); + } else { + assert(fd != -1); + } + + return fd; +} + +/* Please update hmp-commands.hx when adding or changing commands */ +static mon_cmd_t info_cmds[] = { + { + .name = "version", + .args_type = "", + .params = "", + .help = "show the version of QEMU", + .mhandler.cmd = hmp_info_version, + }, + { + .name = "network", + .args_type = "", + .params = "", + .help = "show the network state", + .mhandler.cmd = hmp_info_network, + }, + { + .name = "chardev", + .args_type = "", + .params = "", + .help = "show the character devices", + .mhandler.cmd = hmp_info_chardev, + }, + { + .name = "block", + .args_type = "nodes:-n,verbose:-v,device:B?", + .params = "[-n] [-v] [device]", + .help = "show info of one block device or all block devices " + "(-n: show named nodes; -v: show details)", + .mhandler.cmd = hmp_info_block, + }, + { + .name = "blockstats", + .args_type = "", + .params = "", + .help = "show block device statistics", + .mhandler.cmd = hmp_info_blockstats, + }, + { + .name = "block-jobs", + .args_type = "", + .params = "", + .help = "show progress of ongoing block device operations", + .mhandler.cmd = hmp_info_block_jobs, + }, + { + .name = "registers", + .args_type = "", + .params = "", + .help = "show the cpu registers", + .mhandler.cmd = hmp_info_registers, + }, + { + .name = "cpus", + .args_type = "", + .params = "", + .help = "show infos for each CPU", + .mhandler.cmd = hmp_info_cpus, + }, + { + .name = "history", + .args_type = "", + .params = "", + .help = "show the command line history", + .mhandler.cmd = hmp_info_history, + }, +#if defined(TARGET_I386) || defined(TARGET_PPC) || defined(TARGET_MIPS) || \ + defined(TARGET_LM32) || (defined(TARGET_SPARC) && !defined(TARGET_SPARC64)) + { + .name = "irq", + .args_type = "", + .params = "", + .help = "show the interrupts statistics (if available)", +#ifdef TARGET_SPARC + .mhandler.cmd = sun4m_hmp_info_irq, +#elif defined(TARGET_LM32) + .mhandler.cmd = lm32_hmp_info_irq, +#else + .mhandler.cmd = hmp_info_irq, +#endif + }, + { + .name = "pic", + .args_type = "", + .params = "", + .help = "show i8259 (PIC) state", +#ifdef TARGET_SPARC + .mhandler.cmd = sun4m_hmp_info_pic, +#elif defined(TARGET_LM32) + .mhandler.cmd = lm32_hmp_info_pic, +#else + .mhandler.cmd = hmp_info_pic, +#endif + }, +#endif + { + .name = "pci", + .args_type = "", + .params = "", + .help = "show PCI info", + .mhandler.cmd = hmp_info_pci, + }, +#if defined(TARGET_I386) || defined(TARGET_SH4) || defined(TARGET_SPARC) || \ + defined(TARGET_PPC) || defined(TARGET_XTENSA) + { + .name = "tlb", + .args_type = "", + .params = "", + .help = "show virtual to physical memory mappings", + .mhandler.cmd = hmp_info_tlb, + }, +#endif +#if defined(TARGET_I386) + { + .name = "mem", + .args_type = "", + .params = "", + .help = "show the active virtual memory mappings", + .mhandler.cmd = hmp_info_mem, + }, +#endif + { + .name = "mtree", + .args_type = "", + .params = "", + .help = "show memory tree", + .mhandler.cmd = hmp_info_mtree, + }, + { + .name = "jit", + .args_type = "", + .params = "", + .help = "show dynamic compiler info", + .mhandler.cmd = hmp_info_jit, + }, + { + .name = "opcount", + .args_type = "", + .params = "", + .help = "show dynamic compiler opcode counters", + .mhandler.cmd = hmp_info_opcount, + }, + { + .name = "kvm", + .args_type = "", + .params = "", + .help = "show KVM information", + .mhandler.cmd = hmp_info_kvm, + }, + { + .name = "numa", + .args_type = "", + .params = "", + .help = "show NUMA information", + .mhandler.cmd = hmp_info_numa, + }, + { + .name = "usb", + .args_type = "", + .params = "", + .help = "show guest USB devices", + .mhandler.cmd = hmp_info_usb, + }, + { + .name = "usbhost", + .args_type = "", + .params = "", + .help = "show host USB devices", + .mhandler.cmd = hmp_info_usbhost, + }, + { + .name = "profile", + .args_type = "", + .params = "", + .help = "show profiling information", + .mhandler.cmd = hmp_info_profile, + }, + { + .name = "capture", + .args_type = "", + .params = "", + .help = "show capture information", + .mhandler.cmd = hmp_info_capture, + }, + { + .name = "snapshots", + .args_type = "", + .params = "", + .help = "show the currently saved VM snapshots", + .mhandler.cmd = hmp_info_snapshots, + }, + { + .name = "status", + .args_type = "", + .params = "", + .help = "show the current VM status (running|paused)", + .mhandler.cmd = hmp_info_status, + }, + { + .name = "mice", + .args_type = "", + .params = "", + .help = "show which guest mouse is receiving events", + .mhandler.cmd = hmp_info_mice, + }, + { + .name = "vnc", + .args_type = "", + .params = "", + .help = "show the vnc server status", + .mhandler.cmd = hmp_info_vnc, + }, +#if defined(CONFIG_SPICE) + { + .name = "spice", + .args_type = "", + .params = "", + .help = "show the spice server status", + .mhandler.cmd = hmp_info_spice, + }, +#endif + { + .name = "name", + .args_type = "", + .params = "", + .help = "show the current VM name", + .mhandler.cmd = hmp_info_name, + }, + { + .name = "uuid", + .args_type = "", + .params = "", + .help = "show the current VM UUID", + .mhandler.cmd = hmp_info_uuid, + }, + { + .name = "cpustats", + .args_type = "", + .params = "", + .help = "show CPU statistics", + .mhandler.cmd = hmp_info_cpustats, + }, +#if defined(CONFIG_SLIRP) + { + .name = "usernet", + .args_type = "", + .params = "", + .help = "show user network stack connection states", + .mhandler.cmd = hmp_info_usernet, + }, +#endif + { + .name = "migrate", + .args_type = "", + .params = "", + .help = "show migration status", + .mhandler.cmd = hmp_info_migrate, + }, + { + .name = "migrate_capabilities", + .args_type = "", + .params = "", + .help = "show current migration capabilities", + .mhandler.cmd = hmp_info_migrate_capabilities, + }, + { + .name = "migrate_parameters", + .args_type = "", + .params = "", + .help = "show current migration parameters", + .mhandler.cmd = hmp_info_migrate_parameters, + }, + { + .name = "migrate_cache_size", + .args_type = "", + .params = "", + .help = "show current migration xbzrle cache size", + .mhandler.cmd = hmp_info_migrate_cache_size, + }, + { + .name = "balloon", + .args_type = "", + .params = "", + .help = "show balloon information", + .mhandler.cmd = hmp_info_balloon, + }, + { + .name = "qtree", + .args_type = "", + .params = "", + .help = "show device tree", + .mhandler.cmd = hmp_info_qtree, + }, + { + .name = "qdm", + .args_type = "", + .params = "", + .help = "show qdev device model list", + .mhandler.cmd = hmp_info_qdm, + }, + { + .name = "qom-tree", + .args_type = "path:s?", + .params = "[path]", + .help = "show QOM composition tree", + .mhandler.cmd = hmp_info_qom_tree, + }, + { + .name = "roms", + .args_type = "", + .params = "", + .help = "show roms", + .mhandler.cmd = hmp_info_roms, + }, + { + .name = "trace-events", + .args_type = "", + .params = "", + .help = "show available trace-events & their state", + .mhandler.cmd = hmp_info_trace_events, + }, + { + .name = "tpm", + .args_type = "", + .params = "", + .help = "show the TPM device", + .mhandler.cmd = hmp_info_tpm, + }, + { + .name = "memdev", + .args_type = "", + .params = "", + .help = "show memory backends", + .mhandler.cmd = hmp_info_memdev, + }, + { + .name = "memory-devices", + .args_type = "", + .params = "", + .help = "show memory devices", + .mhandler.cmd = hmp_info_memory_devices, + }, + { + .name = "rocker", + .args_type = "name:s", + .params = "name", + .help = "Show rocker switch", + .mhandler.cmd = hmp_rocker, + }, + { + .name = "rocker-ports", + .args_type = "name:s", + .params = "name", + .help = "Show rocker ports", + .mhandler.cmd = hmp_rocker_ports, + }, + { + .name = "rocker-of-dpa-flows", + .args_type = "name:s,tbl_id:i?", + .params = "name [tbl_id]", + .help = "Show rocker OF-DPA flow tables", + .mhandler.cmd = hmp_rocker_of_dpa_flows, + }, + { + .name = "rocker-of-dpa-groups", + .args_type = "name:s,type:i?", + .params = "name [type]", + .help = "Show rocker OF-DPA groups", + .mhandler.cmd = hmp_rocker_of_dpa_groups, + }, + { + .name = NULL, + }, +}; + +/* mon_cmds and info_cmds would be sorted at runtime */ +static mon_cmd_t mon_cmds[] = { +#include "hmp-commands.h" + { NULL, NULL, }, +}; + +static const mon_cmd_t qmp_cmds[] = { +#include "qmp-commands-old.h" + { /* NULL */ }, +}; + +/*******************************************************************/ + +static const char *pch; +static sigjmp_buf expr_env; + +#define MD_TLONG 0 +#define MD_I32 1 + +typedef struct MonitorDef { + const char *name; + int offset; + target_long (*get_value)(const struct MonitorDef *md, int val); + int type; +} MonitorDef; + +#if defined(TARGET_I386) +static target_long monitor_get_pc (const struct MonitorDef *md, int val) +{ + CPUArchState *env = mon_get_cpu_env(); + return env->eip + env->segs[R_CS].base; +} +#endif + +#if defined(TARGET_PPC) +static target_long monitor_get_ccr (const struct MonitorDef *md, int val) +{ + CPUArchState *env = mon_get_cpu_env(); + unsigned int u; + int i; + + u = 0; + for (i = 0; i < 8; i++) + u |= env->crf[i] << (32 - (4 * (i + 1))); + + return u; +} + +static target_long monitor_get_msr (const struct MonitorDef *md, int val) +{ + CPUArchState *env = mon_get_cpu_env(); + return env->msr; +} + +static target_long monitor_get_xer (const struct MonitorDef *md, int val) +{ + CPUArchState *env = mon_get_cpu_env(); + return env->xer; +} + +static target_long monitor_get_decr (const struct MonitorDef *md, int val) +{ + CPUArchState *env = mon_get_cpu_env(); + return cpu_ppc_load_decr(env); +} + +static target_long monitor_get_tbu (const struct MonitorDef *md, int val) +{ + CPUArchState *env = mon_get_cpu_env(); + return cpu_ppc_load_tbu(env); +} + +static target_long monitor_get_tbl (const struct MonitorDef *md, int val) +{ + CPUArchState *env = mon_get_cpu_env(); + return cpu_ppc_load_tbl(env); +} +#endif + +#if defined(TARGET_SPARC) +#ifndef TARGET_SPARC64 +static target_long monitor_get_psr (const struct MonitorDef *md, int val) +{ + CPUArchState *env = mon_get_cpu_env(); + + return cpu_get_psr(env); +} +#endif + +static target_long monitor_get_reg(const struct MonitorDef *md, int val) +{ + CPUArchState *env = mon_get_cpu_env(); + return env->regwptr[val]; +} +#endif + +static const MonitorDef monitor_defs[] = { +#ifdef TARGET_I386 + +#define SEG(name, seg) \ + { name, offsetof(CPUX86State, segs[seg].selector), NULL, MD_I32 },\ + { name ".base", offsetof(CPUX86State, segs[seg].base) },\ + { name ".limit", offsetof(CPUX86State, segs[seg].limit), NULL, MD_I32 }, + + { "eax", offsetof(CPUX86State, regs[0]) }, + { "ecx", offsetof(CPUX86State, regs[1]) }, + { "edx", offsetof(CPUX86State, regs[2]) }, + { "ebx", offsetof(CPUX86State, regs[3]) }, + { "esp|sp", offsetof(CPUX86State, regs[4]) }, + { "ebp|fp", offsetof(CPUX86State, regs[5]) }, + { "esi", offsetof(CPUX86State, regs[6]) }, + { "edi", offsetof(CPUX86State, regs[7]) }, +#ifdef TARGET_X86_64 + { "r8", offsetof(CPUX86State, regs[8]) }, + { "r9", offsetof(CPUX86State, regs[9]) }, + { "r10", offsetof(CPUX86State, regs[10]) }, + { "r11", offsetof(CPUX86State, regs[11]) }, + { "r12", offsetof(CPUX86State, regs[12]) }, + { "r13", offsetof(CPUX86State, regs[13]) }, + { "r14", offsetof(CPUX86State, regs[14]) }, + { "r15", offsetof(CPUX86State, regs[15]) }, +#endif + { "eflags", offsetof(CPUX86State, eflags) }, + { "eip", offsetof(CPUX86State, eip) }, + SEG("cs", R_CS) + SEG("ds", R_DS) + SEG("es", R_ES) + SEG("ss", R_SS) + SEG("fs", R_FS) + SEG("gs", R_GS) + { "pc", 0, monitor_get_pc, }, +#elif defined(TARGET_PPC) + /* General purpose registers */ + { "r0", offsetof(CPUPPCState, gpr[0]) }, + { "r1", offsetof(CPUPPCState, gpr[1]) }, + { "r2", offsetof(CPUPPCState, gpr[2]) }, + { "r3", offsetof(CPUPPCState, gpr[3]) }, + { "r4", offsetof(CPUPPCState, gpr[4]) }, + { "r5", offsetof(CPUPPCState, gpr[5]) }, + { "r6", offsetof(CPUPPCState, gpr[6]) }, + { "r7", offsetof(CPUPPCState, gpr[7]) }, + { "r8", offsetof(CPUPPCState, gpr[8]) }, + { "r9", offsetof(CPUPPCState, gpr[9]) }, + { "r10", offsetof(CPUPPCState, gpr[10]) }, + { "r11", offsetof(CPUPPCState, gpr[11]) }, + { "r12", offsetof(CPUPPCState, gpr[12]) }, + { "r13", offsetof(CPUPPCState, gpr[13]) }, + { "r14", offsetof(CPUPPCState, gpr[14]) }, + { "r15", offsetof(CPUPPCState, gpr[15]) }, + { "r16", offsetof(CPUPPCState, gpr[16]) }, + { "r17", offsetof(CPUPPCState, gpr[17]) }, + { "r18", offsetof(CPUPPCState, gpr[18]) }, + { "r19", offsetof(CPUPPCState, gpr[19]) }, + { "r20", offsetof(CPUPPCState, gpr[20]) }, + { "r21", offsetof(CPUPPCState, gpr[21]) }, + { "r22", offsetof(CPUPPCState, gpr[22]) }, + { "r23", offsetof(CPUPPCState, gpr[23]) }, + { "r24", offsetof(CPUPPCState, gpr[24]) }, + { "r25", offsetof(CPUPPCState, gpr[25]) }, + { "r26", offsetof(CPUPPCState, gpr[26]) }, + { "r27", offsetof(CPUPPCState, gpr[27]) }, + { "r28", offsetof(CPUPPCState, gpr[28]) }, + { "r29", offsetof(CPUPPCState, gpr[29]) }, + { "r30", offsetof(CPUPPCState, gpr[30]) }, + { "r31", offsetof(CPUPPCState, gpr[31]) }, + /* Floating point registers */ + { "f0", offsetof(CPUPPCState, fpr[0]) }, + { "f1", offsetof(CPUPPCState, fpr[1]) }, + { "f2", offsetof(CPUPPCState, fpr[2]) }, + { "f3", offsetof(CPUPPCState, fpr[3]) }, + { "f4", offsetof(CPUPPCState, fpr[4]) }, + { "f5", offsetof(CPUPPCState, fpr[5]) }, + { "f6", offsetof(CPUPPCState, fpr[6]) }, + { "f7", offsetof(CPUPPCState, fpr[7]) }, + { "f8", offsetof(CPUPPCState, fpr[8]) }, + { "f9", offsetof(CPUPPCState, fpr[9]) }, + { "f10", offsetof(CPUPPCState, fpr[10]) }, + { "f11", offsetof(CPUPPCState, fpr[11]) }, + { "f12", offsetof(CPUPPCState, fpr[12]) }, + { "f13", offsetof(CPUPPCState, fpr[13]) }, + { "f14", offsetof(CPUPPCState, fpr[14]) }, + { "f15", offsetof(CPUPPCState, fpr[15]) }, + { "f16", offsetof(CPUPPCState, fpr[16]) }, + { "f17", offsetof(CPUPPCState, fpr[17]) }, + { "f18", offsetof(CPUPPCState, fpr[18]) }, + { "f19", offsetof(CPUPPCState, fpr[19]) }, + { "f20", offsetof(CPUPPCState, fpr[20]) }, + { "f21", offsetof(CPUPPCState, fpr[21]) }, + { "f22", offsetof(CPUPPCState, fpr[22]) }, + { "f23", offsetof(CPUPPCState, fpr[23]) }, + { "f24", offsetof(CPUPPCState, fpr[24]) }, + { "f25", offsetof(CPUPPCState, fpr[25]) }, + { "f26", offsetof(CPUPPCState, fpr[26]) }, + { "f27", offsetof(CPUPPCState, fpr[27]) }, + { "f28", offsetof(CPUPPCState, fpr[28]) }, + { "f29", offsetof(CPUPPCState, fpr[29]) }, + { "f30", offsetof(CPUPPCState, fpr[30]) }, + { "f31", offsetof(CPUPPCState, fpr[31]) }, + { "fpscr", offsetof(CPUPPCState, fpscr) }, + /* Next instruction pointer */ + { "nip|pc", offsetof(CPUPPCState, nip) }, + { "lr", offsetof(CPUPPCState, lr) }, + { "ctr", offsetof(CPUPPCState, ctr) }, + { "decr", 0, &monitor_get_decr, }, + { "ccr", 0, &monitor_get_ccr, }, + /* Machine state register */ + { "msr", 0, &monitor_get_msr, }, + { "xer", 0, &monitor_get_xer, }, + { "tbu", 0, &monitor_get_tbu, }, + { "tbl", 0, &monitor_get_tbl, }, + /* Segment registers */ + { "sdr1", offsetof(CPUPPCState, spr[SPR_SDR1]) }, + { "sr0", offsetof(CPUPPCState, sr[0]) }, + { "sr1", offsetof(CPUPPCState, sr[1]) }, + { "sr2", offsetof(CPUPPCState, sr[2]) }, + { "sr3", offsetof(CPUPPCState, sr[3]) }, + { "sr4", offsetof(CPUPPCState, sr[4]) }, + { "sr5", offsetof(CPUPPCState, sr[5]) }, + { "sr6", offsetof(CPUPPCState, sr[6]) }, + { "sr7", offsetof(CPUPPCState, sr[7]) }, + { "sr8", offsetof(CPUPPCState, sr[8]) }, + { "sr9", offsetof(CPUPPCState, sr[9]) }, + { "sr10", offsetof(CPUPPCState, sr[10]) }, + { "sr11", offsetof(CPUPPCState, sr[11]) }, + { "sr12", offsetof(CPUPPCState, sr[12]) }, + { "sr13", offsetof(CPUPPCState, sr[13]) }, + { "sr14", offsetof(CPUPPCState, sr[14]) }, + { "sr15", offsetof(CPUPPCState, sr[15]) }, + /* Too lazy to put BATs... */ + { "pvr", offsetof(CPUPPCState, spr[SPR_PVR]) }, + + { "srr0", offsetof(CPUPPCState, spr[SPR_SRR0]) }, + { "srr1", offsetof(CPUPPCState, spr[SPR_SRR1]) }, + { "dar", offsetof(CPUPPCState, spr[SPR_DAR]) }, + { "dsisr", offsetof(CPUPPCState, spr[SPR_DSISR]) }, + { "cfar", offsetof(CPUPPCState, spr[SPR_CFAR]) }, + { "sprg0", offsetof(CPUPPCState, spr[SPR_SPRG0]) }, + { "sprg1", offsetof(CPUPPCState, spr[SPR_SPRG1]) }, + { "sprg2", offsetof(CPUPPCState, spr[SPR_SPRG2]) }, + { "sprg3", offsetof(CPUPPCState, spr[SPR_SPRG3]) }, + { "sprg4", offsetof(CPUPPCState, spr[SPR_SPRG4]) }, + { "sprg5", offsetof(CPUPPCState, spr[SPR_SPRG5]) }, + { "sprg6", offsetof(CPUPPCState, spr[SPR_SPRG6]) }, + { "sprg7", offsetof(CPUPPCState, spr[SPR_SPRG7]) }, + { "pid", offsetof(CPUPPCState, spr[SPR_BOOKE_PID]) }, + { "csrr0", offsetof(CPUPPCState, spr[SPR_BOOKE_CSRR0]) }, + { "csrr1", offsetof(CPUPPCState, spr[SPR_BOOKE_CSRR1]) }, + { "esr", offsetof(CPUPPCState, spr[SPR_BOOKE_ESR]) }, + { "dear", offsetof(CPUPPCState, spr[SPR_BOOKE_DEAR]) }, + { "mcsr", offsetof(CPUPPCState, spr[SPR_BOOKE_MCSR]) }, + { "tsr", offsetof(CPUPPCState, spr[SPR_BOOKE_TSR]) }, + { "tcr", offsetof(CPUPPCState, spr[SPR_BOOKE_TCR]) }, + { "vrsave", offsetof(CPUPPCState, spr[SPR_VRSAVE]) }, + { "pir", offsetof(CPUPPCState, spr[SPR_BOOKE_PIR]) }, + { "mcsrr0", offsetof(CPUPPCState, spr[SPR_BOOKE_MCSRR0]) }, + { "mcsrr1", offsetof(CPUPPCState, spr[SPR_BOOKE_MCSRR1]) }, + { "decar", offsetof(CPUPPCState, spr[SPR_BOOKE_DECAR]) }, + { "ivpr", offsetof(CPUPPCState, spr[SPR_BOOKE_IVPR]) }, + { "epcr", offsetof(CPUPPCState, spr[SPR_BOOKE_EPCR]) }, + { "sprg8", offsetof(CPUPPCState, spr[SPR_BOOKE_SPRG8]) }, + { "ivor0", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR0]) }, + { "ivor1", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR1]) }, + { "ivor2", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR2]) }, + { "ivor3", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR3]) }, + { "ivor4", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR4]) }, + { "ivor5", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR5]) }, + { "ivor6", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR6]) }, + { "ivor7", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR7]) }, + { "ivor8", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR8]) }, + { "ivor9", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR9]) }, + { "ivor10", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR10]) }, + { "ivor11", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR11]) }, + { "ivor12", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR12]) }, + { "ivor13", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR13]) }, + { "ivor14", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR14]) }, + { "ivor15", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR15]) }, + { "ivor32", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR32]) }, + { "ivor33", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR33]) }, + { "ivor34", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR34]) }, + { "ivor35", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR35]) }, + { "ivor36", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR36]) }, + { "ivor37", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR37]) }, + { "mas0", offsetof(CPUPPCState, spr[SPR_BOOKE_MAS0]) }, + { "mas1", offsetof(CPUPPCState, spr[SPR_BOOKE_MAS1]) }, + { "mas2", offsetof(CPUPPCState, spr[SPR_BOOKE_MAS2]) }, + { "mas3", offsetof(CPUPPCState, spr[SPR_BOOKE_MAS3]) }, + { "mas4", offsetof(CPUPPCState, spr[SPR_BOOKE_MAS4]) }, + { "mas6", offsetof(CPUPPCState, spr[SPR_BOOKE_MAS6]) }, + { "mas7", offsetof(CPUPPCState, spr[SPR_BOOKE_MAS7]) }, + { "mmucfg", offsetof(CPUPPCState, spr[SPR_MMUCFG]) }, + { "tlb0cfg", offsetof(CPUPPCState, spr[SPR_BOOKE_TLB0CFG]) }, + { "tlb1cfg", offsetof(CPUPPCState, spr[SPR_BOOKE_TLB1CFG]) }, + { "epr", offsetof(CPUPPCState, spr[SPR_BOOKE_EPR]) }, + { "eplc", offsetof(CPUPPCState, spr[SPR_BOOKE_EPLC]) }, + { "epsc", offsetof(CPUPPCState, spr[SPR_BOOKE_EPSC]) }, + { "svr", offsetof(CPUPPCState, spr[SPR_E500_SVR]) }, + { "mcar", offsetof(CPUPPCState, spr[SPR_Exxx_MCAR]) }, + { "pid1", offsetof(CPUPPCState, spr[SPR_BOOKE_PID1]) }, + { "pid2", offsetof(CPUPPCState, spr[SPR_BOOKE_PID2]) }, + { "hid0", offsetof(CPUPPCState, spr[SPR_HID0]) }, + +#elif defined(TARGET_SPARC) + { "g0", offsetof(CPUSPARCState, gregs[0]) }, + { "g1", offsetof(CPUSPARCState, gregs[1]) }, + { "g2", offsetof(CPUSPARCState, gregs[2]) }, + { "g3", offsetof(CPUSPARCState, gregs[3]) }, + { "g4", offsetof(CPUSPARCState, gregs[4]) }, + { "g5", offsetof(CPUSPARCState, gregs[5]) }, + { "g6", offsetof(CPUSPARCState, gregs[6]) }, + { "g7", offsetof(CPUSPARCState, gregs[7]) }, + { "o0", 0, monitor_get_reg }, + { "o1", 1, monitor_get_reg }, + { "o2", 2, monitor_get_reg }, + { "o3", 3, monitor_get_reg }, + { "o4", 4, monitor_get_reg }, + { "o5", 5, monitor_get_reg }, + { "o6", 6, monitor_get_reg }, + { "o7", 7, monitor_get_reg }, + { "l0", 8, monitor_get_reg }, + { "l1", 9, monitor_get_reg }, + { "l2", 10, monitor_get_reg }, + { "l3", 11, monitor_get_reg }, + { "l4", 12, monitor_get_reg }, + { "l5", 13, monitor_get_reg }, + { "l6", 14, monitor_get_reg }, + { "l7", 15, monitor_get_reg }, + { "i0", 16, monitor_get_reg }, + { "i1", 17, monitor_get_reg }, + { "i2", 18, monitor_get_reg }, + { "i3", 19, monitor_get_reg }, + { "i4", 20, monitor_get_reg }, + { "i5", 21, monitor_get_reg }, + { "i6", 22, monitor_get_reg }, + { "i7", 23, monitor_get_reg }, + { "pc", offsetof(CPUSPARCState, pc) }, + { "npc", offsetof(CPUSPARCState, npc) }, + { "y", offsetof(CPUSPARCState, y) }, +#ifndef TARGET_SPARC64 + { "psr", 0, &monitor_get_psr, }, + { "wim", offsetof(CPUSPARCState, wim) }, +#endif + { "tbr", offsetof(CPUSPARCState, tbr) }, + { "fsr", offsetof(CPUSPARCState, fsr) }, + { "f0", offsetof(CPUSPARCState, fpr[0].l.upper) }, + { "f1", offsetof(CPUSPARCState, fpr[0].l.lower) }, + { "f2", offsetof(CPUSPARCState, fpr[1].l.upper) }, + { "f3", offsetof(CPUSPARCState, fpr[1].l.lower) }, + { "f4", offsetof(CPUSPARCState, fpr[2].l.upper) }, + { "f5", offsetof(CPUSPARCState, fpr[2].l.lower) }, + { "f6", offsetof(CPUSPARCState, fpr[3].l.upper) }, + { "f7", offsetof(CPUSPARCState, fpr[3].l.lower) }, + { "f8", offsetof(CPUSPARCState, fpr[4].l.upper) }, + { "f9", offsetof(CPUSPARCState, fpr[4].l.lower) }, + { "f10", offsetof(CPUSPARCState, fpr[5].l.upper) }, + { "f11", offsetof(CPUSPARCState, fpr[5].l.lower) }, + { "f12", offsetof(CPUSPARCState, fpr[6].l.upper) }, + { "f13", offsetof(CPUSPARCState, fpr[6].l.lower) }, + { "f14", offsetof(CPUSPARCState, fpr[7].l.upper) }, + { "f15", offsetof(CPUSPARCState, fpr[7].l.lower) }, + { "f16", offsetof(CPUSPARCState, fpr[8].l.upper) }, + { "f17", offsetof(CPUSPARCState, fpr[8].l.lower) }, + { "f18", offsetof(CPUSPARCState, fpr[9].l.upper) }, + { "f19", offsetof(CPUSPARCState, fpr[9].l.lower) }, + { "f20", offsetof(CPUSPARCState, fpr[10].l.upper) }, + { "f21", offsetof(CPUSPARCState, fpr[10].l.lower) }, + { "f22", offsetof(CPUSPARCState, fpr[11].l.upper) }, + { "f23", offsetof(CPUSPARCState, fpr[11].l.lower) }, + { "f24", offsetof(CPUSPARCState, fpr[12].l.upper) }, + { "f25", offsetof(CPUSPARCState, fpr[12].l.lower) }, + { "f26", offsetof(CPUSPARCState, fpr[13].l.upper) }, + { "f27", offsetof(CPUSPARCState, fpr[13].l.lower) }, + { "f28", offsetof(CPUSPARCState, fpr[14].l.upper) }, + { "f29", offsetof(CPUSPARCState, fpr[14].l.lower) }, + { "f30", offsetof(CPUSPARCState, fpr[15].l.upper) }, + { "f31", offsetof(CPUSPARCState, fpr[15].l.lower) }, +#ifdef TARGET_SPARC64 + { "f32", offsetof(CPUSPARCState, fpr[16]) }, + { "f34", offsetof(CPUSPARCState, fpr[17]) }, + { "f36", offsetof(CPUSPARCState, fpr[18]) }, + { "f38", offsetof(CPUSPARCState, fpr[19]) }, + { "f40", offsetof(CPUSPARCState, fpr[20]) }, + { "f42", offsetof(CPUSPARCState, fpr[21]) }, + { "f44", offsetof(CPUSPARCState, fpr[22]) }, + { "f46", offsetof(CPUSPARCState, fpr[23]) }, + { "f48", offsetof(CPUSPARCState, fpr[24]) }, + { "f50", offsetof(CPUSPARCState, fpr[25]) }, + { "f52", offsetof(CPUSPARCState, fpr[26]) }, + { "f54", offsetof(CPUSPARCState, fpr[27]) }, + { "f56", offsetof(CPUSPARCState, fpr[28]) }, + { "f58", offsetof(CPUSPARCState, fpr[29]) }, + { "f60", offsetof(CPUSPARCState, fpr[30]) }, + { "f62", offsetof(CPUSPARCState, fpr[31]) }, + { "asi", offsetof(CPUSPARCState, asi) }, + { "pstate", offsetof(CPUSPARCState, pstate) }, + { "cansave", offsetof(CPUSPARCState, cansave) }, + { "canrestore", offsetof(CPUSPARCState, canrestore) }, + { "otherwin", offsetof(CPUSPARCState, otherwin) }, + { "wstate", offsetof(CPUSPARCState, wstate) }, + { "cleanwin", offsetof(CPUSPARCState, cleanwin) }, + { "fprs", offsetof(CPUSPARCState, fprs) }, +#endif +#endif + { NULL }, +}; + +static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN +expr_error(Monitor *mon, const char *fmt, ...) +{ + va_list ap; + va_start(ap, fmt); + monitor_vprintf(mon, fmt, ap); + monitor_printf(mon, "\n"); + va_end(ap); + siglongjmp(expr_env, 1); +} + +/* return 0 if OK, -1 if not found */ +static int get_monitor_def(target_long *pval, const char *name) +{ + const MonitorDef *md; + void *ptr; + + for(md = monitor_defs; md->name != NULL; md++) { + if (compare_cmd(name, md->name)) { + if (md->get_value) { + *pval = md->get_value(md, md->offset); + } else { + CPUArchState *env = mon_get_cpu_env(); + ptr = (uint8_t *)env + md->offset; + switch(md->type) { + case MD_I32: + *pval = *(int32_t *)ptr; + break; + case MD_TLONG: + *pval = *(target_long *)ptr; + break; + default: + *pval = 0; + break; + } + } + return 0; + } + } + return -1; +} + +static void next(void) +{ + if (*pch != '\0') { + pch++; + while (qemu_isspace(*pch)) + pch++; + } +} + +static int64_t expr_sum(Monitor *mon); + +static int64_t expr_unary(Monitor *mon) +{ + int64_t n; + char *p; + int ret; + + switch(*pch) { + case '+': + next(); + n = expr_unary(mon); + break; + case '-': + next(); + n = -expr_unary(mon); + break; + case '~': + next(); + n = ~expr_unary(mon); + break; + case '(': + next(); + n = expr_sum(mon); + if (*pch != ')') { + expr_error(mon, "')' expected"); + } + next(); + break; + case '\'': + pch++; + if (*pch == '\0') + expr_error(mon, "character constant expected"); + n = *pch; + pch++; + if (*pch != '\'') + expr_error(mon, "missing terminating \' character"); + next(); + break; + case '$': + { + char buf[128], *q; + target_long reg=0; + + pch++; + q = buf; + while ((*pch >= 'a' && *pch <= 'z') || + (*pch >= 'A' && *pch <= 'Z') || + (*pch >= '0' && *pch <= '9') || + *pch == '_' || *pch == '.') { + if ((q - buf) < sizeof(buf) - 1) + *q++ = *pch; + pch++; + } + while (qemu_isspace(*pch)) + pch++; + *q = 0; + ret = get_monitor_def(®, buf); + if (ret < 0) + expr_error(mon, "unknown register"); + n = reg; + } + break; + case '\0': + expr_error(mon, "unexpected end of expression"); + n = 0; + break; + default: + errno = 0; + n = strtoull(pch, &p, 0); + if (errno == ERANGE) { + expr_error(mon, "number too large"); + } + if (pch == p) { + expr_error(mon, "invalid char '%c' in expression", *p); + } + pch = p; + while (qemu_isspace(*pch)) + pch++; + break; + } + return n; +} + + +static int64_t expr_prod(Monitor *mon) +{ + int64_t val, val2; + int op; + + val = expr_unary(mon); + for(;;) { + op = *pch; + if (op != '*' && op != '/' && op != '%') + break; + next(); + val2 = expr_unary(mon); + switch(op) { + default: + case '*': + val *= val2; + break; + case '/': + case '%': + if (val2 == 0) + expr_error(mon, "division by zero"); + if (op == '/') + val /= val2; + else + val %= val2; + break; + } + } + return val; +} + +static int64_t expr_logic(Monitor *mon) +{ + int64_t val, val2; + int op; + + val = expr_prod(mon); + for(;;) { + op = *pch; + if (op != '&' && op != '|' && op != '^') + break; + next(); + val2 = expr_prod(mon); + switch(op) { + default: + case '&': + val &= val2; + break; + case '|': + val |= val2; + break; + case '^': + val ^= val2; + break; + } + } + return val; +} + +static int64_t expr_sum(Monitor *mon) +{ + int64_t val, val2; + int op; + + val = expr_logic(mon); + for(;;) { + op = *pch; + if (op != '+' && op != '-') + break; + next(); + val2 = expr_logic(mon); + if (op == '+') + val += val2; + else + val -= val2; + } + return val; +} + +static int get_expr(Monitor *mon, int64_t *pval, const char **pp) +{ + pch = *pp; + if (sigsetjmp(expr_env, 0)) { + *pp = pch; + return -1; + } + while (qemu_isspace(*pch)) + pch++; + *pval = expr_sum(mon); + *pp = pch; + return 0; +} + +static int get_double(Monitor *mon, double *pval, const char **pp) +{ + const char *p = *pp; + char *tailp; + double d; + + d = strtod(p, &tailp); + if (tailp == p) { + monitor_printf(mon, "Number expected\n"); + return -1; + } + if (d != d || d - d != 0) { + /* NaN or infinity */ + monitor_printf(mon, "Bad number\n"); + return -1; + } + *pval = d; + *pp = tailp; + return 0; +} + +/* + * Store the command-name in cmdname, and return a pointer to + * the remaining of the command string. + */ +static const char *get_command_name(const char *cmdline, + char *cmdname, size_t nlen) +{ + size_t len; + const char *p, *pstart; + + p = cmdline; + while (qemu_isspace(*p)) + p++; + if (*p == '\0') + return NULL; + pstart = p; + while (*p != '\0' && *p != '/' && !qemu_isspace(*p)) + p++; + len = p - pstart; + if (len > nlen - 1) + len = nlen - 1; + memcpy(cmdname, pstart, len); + cmdname[len] = '\0'; + return p; +} + +/** + * Read key of 'type' into 'key' and return the current + * 'type' pointer. + */ +static char *key_get_info(const char *type, char **key) +{ + size_t len; + char *p, *str; + + if (*type == ',') + type++; + + p = strchr(type, ':'); + if (!p) { + *key = NULL; + return NULL; + } + len = p - type; + + str = g_malloc(len + 1); + memcpy(str, type, len); + str[len] = '\0'; + + *key = str; + return ++p; +} + +static int default_fmt_format = 'x'; +static int default_fmt_size = 4; + +static int is_valid_option(const char *c, const char *typestr) +{ + char option[3]; + + option[0] = '-'; + option[1] = *c; + option[2] = '\0'; + + typestr = strstr(typestr, option); + return (typestr != NULL); +} + +static const mon_cmd_t *search_dispatch_table(const mon_cmd_t *disp_table, + const char *cmdname) +{ + const mon_cmd_t *cmd; + + for (cmd = disp_table; cmd->name != NULL; cmd++) { + if (compare_cmd(cmdname, cmd->name)) { + return cmd; + } + } + + return NULL; +} + +static const mon_cmd_t *qmp_find_cmd(const char *cmdname) +{ + return search_dispatch_table(qmp_cmds, cmdname); +} + +/* + * Parse command name from @cmdp according to command table @table. + * If blank, return NULL. + * Else, if no valid command can be found, report to @mon, and return + * NULL. + * Else, change @cmdp to point right behind the name, and return its + * command table entry. + * Do not assume the return value points into @table! It doesn't when + * the command is found in a sub-command table. + */ +static const mon_cmd_t *monitor_parse_command(Monitor *mon, + const char **cmdp, + mon_cmd_t *table) +{ + const char *p; + const mon_cmd_t *cmd; + char cmdname[256]; + + /* extract the command name */ + p = get_command_name(*cmdp, cmdname, sizeof(cmdname)); + if (!p) + return NULL; + + cmd = search_dispatch_table(table, cmdname); + if (!cmd) { + monitor_printf(mon, "unknown command: '%.*s'\n", + (int)(p - *cmdp), *cmdp); + return NULL; + } + + /* filter out following useless space */ + while (qemu_isspace(*p)) { + p++; + } + + *cmdp = p; + /* search sub command */ + if (cmd->sub_table != NULL && *p != '\0') { + return monitor_parse_command(mon, cmdp, cmd->sub_table); + } + + return cmd; +} + +/* + * Parse arguments for @cmd. + * If it can't be parsed, report to @mon, and return NULL. + * Else, insert command arguments into a QDict, and return it. + * Note: On success, caller has to free the QDict structure. + */ + +static QDict *monitor_parse_arguments(Monitor *mon, + const char **endp, + const mon_cmd_t *cmd) +{ + const char *typestr; + char *key; + int c; + const char *p = *endp; + char buf[1024]; + QDict *qdict = qdict_new(); + + /* parse the parameters */ + typestr = cmd->args_type; + for(;;) { + typestr = key_get_info(typestr, &key); + if (!typestr) + break; + c = *typestr; + typestr++; + switch(c) { + case 'F': + case 'B': + case 's': + { + int ret; + + while (qemu_isspace(*p)) + p++; + if (*typestr == '?') { + typestr++; + if (*p == '\0') { + /* no optional string: NULL argument */ + break; + } + } + ret = get_str(buf, sizeof(buf), &p); + if (ret < 0) { + switch(c) { + case 'F': + monitor_printf(mon, "%s: filename expected\n", + cmd->name); + break; + case 'B': + monitor_printf(mon, "%s: block device name expected\n", + cmd->name); + break; + default: + monitor_printf(mon, "%s: string expected\n", cmd->name); + break; + } + goto fail; + } + qdict_put(qdict, key, qstring_from_str(buf)); + } + break; + case 'O': + { + QemuOptsList *opts_list; + QemuOpts *opts; + + opts_list = qemu_find_opts(key); + if (!opts_list || opts_list->desc->name) { + goto bad_type; + } + while (qemu_isspace(*p)) { + p++; + } + if (!*p) + break; + if (get_str(buf, sizeof(buf), &p) < 0) { + goto fail; + } + opts = qemu_opts_parse_noisily(opts_list, buf, true); + if (!opts) { + goto fail; + } + qemu_opts_to_qdict(opts, qdict); + qemu_opts_del(opts); + } + break; + case '/': + { + int count, format, size; + + while (qemu_isspace(*p)) + p++; + if (*p == '/') { + /* format found */ + p++; + count = 1; + if (qemu_isdigit(*p)) { + count = 0; + while (qemu_isdigit(*p)) { + count = count * 10 + (*p - '0'); + p++; + } + } + size = -1; + format = -1; + for(;;) { + switch(*p) { + case 'o': + case 'd': + case 'u': + case 'x': + case 'i': + case 'c': + format = *p++; + break; + case 'b': + size = 1; + p++; + break; + case 'h': + size = 2; + p++; + break; + case 'w': + size = 4; + p++; + break; + case 'g': + case 'L': + size = 8; + p++; + break; + default: + goto next; + } + } + next: + if (*p != '\0' && !qemu_isspace(*p)) { + monitor_printf(mon, "invalid char in format: '%c'\n", + *p); + goto fail; + } + if (format < 0) + format = default_fmt_format; + if (format != 'i') { + /* for 'i', not specifying a size gives -1 as size */ + if (size < 0) + size = default_fmt_size; + default_fmt_size = size; + } + default_fmt_format = format; + } else { + count = 1; + format = default_fmt_format; + if (format != 'i') { + size = default_fmt_size; + } else { + size = -1; + } + } + qdict_put(qdict, "count", qint_from_int(count)); + qdict_put(qdict, "format", qint_from_int(format)); + qdict_put(qdict, "size", qint_from_int(size)); + } + break; + case 'i': + case 'l': + case 'M': + { + int64_t val; + + while (qemu_isspace(*p)) + p++; + if (*typestr == '?' || *typestr == '.') { + if (*typestr == '?') { + if (*p == '\0') { + typestr++; + break; + } + } else { + if (*p == '.') { + p++; + while (qemu_isspace(*p)) + p++; + } else { + typestr++; + break; + } + } + typestr++; + } + if (get_expr(mon, &val, &p)) + goto fail; + /* Check if 'i' is greater than 32-bit */ + if ((c == 'i') && ((val >> 32) & 0xffffffff)) { + monitor_printf(mon, "\'%s\' has failed: ", cmd->name); + monitor_printf(mon, "integer is for 32-bit values\n"); + goto fail; + } else if (c == 'M') { + if (val < 0) { + monitor_printf(mon, "enter a positive value\n"); + goto fail; + } + val <<= 20; + } + qdict_put(qdict, key, qint_from_int(val)); + } + break; + case 'o': + { + int64_t val; + char *end; + + while (qemu_isspace(*p)) { + p++; + } + if (*typestr == '?') { + typestr++; + if (*p == '\0') { + break; + } + } + val = strtosz(p, &end); + if (val < 0) { + monitor_printf(mon, "invalid size\n"); + goto fail; + } + qdict_put(qdict, key, qint_from_int(val)); + p = end; + } + break; + case 'T': + { + double val; + + while (qemu_isspace(*p)) + p++; + if (*typestr == '?') { + typestr++; + if (*p == '\0') { + break; + } + } + if (get_double(mon, &val, &p) < 0) { + goto fail; + } + if (p[0] && p[1] == 's') { + switch (*p) { + case 'm': + val /= 1e3; p += 2; break; + case 'u': + val /= 1e6; p += 2; break; + case 'n': + val /= 1e9; p += 2; break; + } + } + if (*p && !qemu_isspace(*p)) { + monitor_printf(mon, "Unknown unit suffix\n"); + goto fail; + } + qdict_put(qdict, key, qfloat_from_double(val)); + } + break; + case 'b': + { + const char *beg; + bool val; + + while (qemu_isspace(*p)) { + p++; + } + beg = p; + while (qemu_isgraph(*p)) { + p++; + } + if (p - beg == 2 && !memcmp(beg, "on", p - beg)) { + val = true; + } else if (p - beg == 3 && !memcmp(beg, "off", p - beg)) { + val = false; + } else { + monitor_printf(mon, "Expected 'on' or 'off'\n"); + goto fail; + } + qdict_put(qdict, key, qbool_from_bool(val)); + } + break; + case '-': + { + const char *tmp = p; + int skip_key = 0; + /* option */ + + c = *typestr++; + if (c == '\0') + goto bad_type; + while (qemu_isspace(*p)) + p++; + if (*p == '-') { + p++; + if(c != *p) { + if(!is_valid_option(p, typestr)) { + + monitor_printf(mon, "%s: unsupported option -%c\n", + cmd->name, *p); + goto fail; + } else { + skip_key = 1; + } + } + if(skip_key) { + p = tmp; + } else { + /* has option */ + p++; + qdict_put(qdict, key, qbool_from_bool(true)); + } + } + } + break; + case 'S': + { + /* package all remaining string */ + int len; + + while (qemu_isspace(*p)) { + p++; + } + if (*typestr == '?') { + typestr++; + if (*p == '\0') { + /* no remaining string: NULL argument */ + break; + } + } + len = strlen(p); + if (len <= 0) { + monitor_printf(mon, "%s: string expected\n", + cmd->name); + goto fail; + } + qdict_put(qdict, key, qstring_from_str(p)); + p += len; + } + break; + default: + bad_type: + monitor_printf(mon, "%s: unknown type '%c'\n", cmd->name, c); + goto fail; + } + g_free(key); + key = NULL; + } + /* check that all arguments were parsed */ + while (qemu_isspace(*p)) + p++; + if (*p != '\0') { + monitor_printf(mon, "%s: extraneous characters at the end of line\n", + cmd->name); + goto fail; + } + + return qdict; + +fail: + QDECREF(qdict); + g_free(key); + return NULL; +} + +static void handle_hmp_command(Monitor *mon, const char *cmdline) +{ + QDict *qdict; + const mon_cmd_t *cmd; + + cmd = monitor_parse_command(mon, &cmdline, mon->cmd_table); + if (!cmd) { + return; + } + + qdict = monitor_parse_arguments(mon, &cmdline, cmd); + if (!qdict) { + monitor_printf(mon, "Try \"help %s\" for more information\n", + cmd->name); + return; + } + + cmd->mhandler.cmd(mon, qdict); + QDECREF(qdict); +} + +static void cmd_completion(Monitor *mon, const char *name, const char *list) +{ + const char *p, *pstart; + char cmd[128]; + int len; + + p = list; + for(;;) { + pstart = p; + p = strchr(p, '|'); + if (!p) + p = pstart + strlen(pstart); + len = p - pstart; + if (len > sizeof(cmd) - 2) + len = sizeof(cmd) - 2; + memcpy(cmd, pstart, len); + cmd[len] = '\0'; + if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) { + readline_add_completion(mon->rs, cmd); + } + if (*p == '\0') + break; + p++; + } +} + +static void file_completion(Monitor *mon, const char *input) +{ + DIR *ffs; + struct dirent *d; + char path[1024]; + char file[1024], file_prefix[1024]; + int input_path_len; + const char *p; + + p = strrchr(input, '/'); + if (!p) { + input_path_len = 0; + pstrcpy(file_prefix, sizeof(file_prefix), input); + pstrcpy(path, sizeof(path), "."); + } else { + input_path_len = p - input + 1; + memcpy(path, input, input_path_len); + if (input_path_len > sizeof(path) - 1) + input_path_len = sizeof(path) - 1; + path[input_path_len] = '\0'; + pstrcpy(file_prefix, sizeof(file_prefix), p + 1); + } + + ffs = opendir(path); + if (!ffs) + return; + for(;;) { + struct stat sb; + d = readdir(ffs); + if (!d) + break; + + if (strcmp(d->d_name, ".") == 0 || strcmp(d->d_name, "..") == 0) { + continue; + } + + if (strstart(d->d_name, file_prefix, NULL)) { + memcpy(file, input, input_path_len); + if (input_path_len < sizeof(file)) + pstrcpy(file + input_path_len, sizeof(file) - input_path_len, + d->d_name); + /* stat the file to find out if it's a directory. + * In that case add a slash to speed up typing long paths + */ + if (stat(file, &sb) == 0 && S_ISDIR(sb.st_mode)) { + pstrcat(file, sizeof(file), "/"); + } + readline_add_completion(mon->rs, file); + } + } + closedir(ffs); +} + +static const char *next_arg_type(const char *typestr) +{ + const char *p = strchr(typestr, ':'); + return (p != NULL ? ++p : typestr); +} + +static void add_completion_option(ReadLineState *rs, const char *str, + const char *option) +{ + if (!str || !option) { + return; + } + if (!strncmp(option, str, strlen(str))) { + readline_add_completion(rs, option); + } +} + +void chardev_add_completion(ReadLineState *rs, int nb_args, const char *str) +{ + size_t len; + ChardevBackendInfoList *list, *start; + + if (nb_args != 2) { + return; + } + len = strlen(str); + readline_set_completion_index(rs, len); + + start = list = qmp_query_chardev_backends(NULL); + while (list) { + const char *chr_name = list->value->name; + + if (!strncmp(chr_name, str, len)) { + readline_add_completion(rs, chr_name); + } + list = list->next; + } + qapi_free_ChardevBackendInfoList(start); +} + +void netdev_add_completion(ReadLineState *rs, int nb_args, const char *str) +{ + size_t len; + int i; + + if (nb_args != 2) { + return; + } + len = strlen(str); + readline_set_completion_index(rs, len); + for (i = 0; NetClientOptionsKind_lookup[i]; i++) { + add_completion_option(rs, str, NetClientOptionsKind_lookup[i]); + } +} + +void device_add_completion(ReadLineState *rs, int nb_args, const char *str) +{ + GSList *list, *elt; + size_t len; + + if (nb_args != 2) { + return; + } + + len = strlen(str); + readline_set_completion_index(rs, len); + list = elt = object_class_get_list(TYPE_DEVICE, false); + while (elt) { + const char *name; + DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data, + TYPE_DEVICE); + name = object_class_get_name(OBJECT_CLASS(dc)); + + if (!dc->cannot_instantiate_with_device_add_yet + && !strncmp(name, str, len)) { + readline_add_completion(rs, name); + } + elt = elt->next; + } + g_slist_free(list); +} + +void object_add_completion(ReadLineState *rs, int nb_args, const char *str) +{ + GSList *list, *elt; + size_t len; + + if (nb_args != 2) { + return; + } + + len = strlen(str); + readline_set_completion_index(rs, len); + list = elt = object_class_get_list(TYPE_USER_CREATABLE, false); + while (elt) { + const char *name; + + name = object_class_get_name(OBJECT_CLASS(elt->data)); + if (!strncmp(name, str, len) && strcmp(name, TYPE_USER_CREATABLE)) { + readline_add_completion(rs, name); + } + elt = elt->next; + } + g_slist_free(list); +} + +static void peripheral_device_del_completion(ReadLineState *rs, + const char *str, size_t len) +{ + Object *peripheral = container_get(qdev_get_machine(), "/peripheral"); + GSList *list, *item; + + list = qdev_build_hotpluggable_device_list(peripheral); + if (!list) { + return; + } + + for (item = list; item; item = g_slist_next(item)) { + DeviceState *dev = item->data; + + if (dev->id && !strncmp(str, dev->id, len)) { + readline_add_completion(rs, dev->id); + } + } + + g_slist_free(list); +} + +void chardev_remove_completion(ReadLineState *rs, int nb_args, const char *str) +{ + size_t len; + ChardevInfoList *list, *start; + + if (nb_args != 2) { + return; + } + len = strlen(str); + readline_set_completion_index(rs, len); + + start = list = qmp_query_chardev(NULL); + while (list) { + ChardevInfo *chr = list->value; + + if (!strncmp(chr->label, str, len)) { + readline_add_completion(rs, chr->label); + } + list = list->next; + } + qapi_free_ChardevInfoList(start); +} + +static void ringbuf_completion(ReadLineState *rs, const char *str) +{ + size_t len; + ChardevInfoList *list, *start; + + len = strlen(str); + readline_set_completion_index(rs, len); + + start = list = qmp_query_chardev(NULL); + while (list) { + ChardevInfo *chr_info = list->value; + + if (!strncmp(chr_info->label, str, len)) { + CharDriverState *chr = qemu_chr_find(chr_info->label); + if (chr && chr_is_ringbuf(chr)) { + readline_add_completion(rs, chr_info->label); + } + } + list = list->next; + } + qapi_free_ChardevInfoList(start); +} + +void ringbuf_write_completion(ReadLineState *rs, int nb_args, const char *str) +{ + if (nb_args != 2) { + return; + } + ringbuf_completion(rs, str); +} + +void device_del_completion(ReadLineState *rs, int nb_args, const char *str) +{ + size_t len; + + if (nb_args != 2) { + return; + } + + len = strlen(str); + readline_set_completion_index(rs, len); + peripheral_device_del_completion(rs, str, len); +} + +void object_del_completion(ReadLineState *rs, int nb_args, const char *str) +{ + ObjectPropertyInfoList *list, *start; + size_t len; + + if (nb_args != 2) { + return; + } + len = strlen(str); + readline_set_completion_index(rs, len); + + start = list = qmp_qom_list("/objects", NULL); + while (list) { + ObjectPropertyInfo *info = list->value; + + if (!strncmp(info->type, "child<", 5) + && !strncmp(info->name, str, len)) { + readline_add_completion(rs, info->name); + } + list = list->next; + } + qapi_free_ObjectPropertyInfoList(start); +} + +void sendkey_completion(ReadLineState *rs, int nb_args, const char *str) +{ + int i; + char *sep; + size_t len; + + if (nb_args != 2) { + return; + } + sep = strrchr(str, '-'); + if (sep) { + str = sep + 1; + } + len = strlen(str); + readline_set_completion_index(rs, len); + for (i = 0; i < Q_KEY_CODE_MAX; i++) { + if (!strncmp(str, QKeyCode_lookup[i], len)) { + readline_add_completion(rs, QKeyCode_lookup[i]); + } + } +} + +void set_link_completion(ReadLineState *rs, int nb_args, const char *str) +{ + size_t len; + + len = strlen(str); + readline_set_completion_index(rs, len); + if (nb_args == 2) { + NetClientState *ncs[MAX_QUEUE_NUM]; + int count, i; + count = qemu_find_net_clients_except(NULL, ncs, + NET_CLIENT_OPTIONS_KIND_NONE, + MAX_QUEUE_NUM); + for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) { + const char *name = ncs[i]->name; + if (!strncmp(str, name, len)) { + readline_add_completion(rs, name); + } + } + } else if (nb_args == 3) { + add_completion_option(rs, str, "on"); + add_completion_option(rs, str, "off"); + } +} + +void netdev_del_completion(ReadLineState *rs, int nb_args, const char *str) +{ + int len, count, i; + NetClientState *ncs[MAX_QUEUE_NUM]; + + if (nb_args != 2) { + return; + } + + len = strlen(str); + readline_set_completion_index(rs, len); + count = qemu_find_net_clients_except(NULL, ncs, NET_CLIENT_OPTIONS_KIND_NIC, + MAX_QUEUE_NUM); + for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) { + QemuOpts *opts; + const char *name = ncs[i]->name; + if (strncmp(str, name, len)) { + continue; + } + opts = qemu_opts_find(qemu_find_opts_err("netdev", NULL), name); + if (opts) { + readline_add_completion(rs, name); + } + } +} + +void watchdog_action_completion(ReadLineState *rs, int nb_args, const char *str) +{ + int i; + + if (nb_args != 2) { + return; + } + readline_set_completion_index(rs, strlen(str)); + for (i = 0; WatchdogExpirationAction_lookup[i]; i++) { + add_completion_option(rs, str, WatchdogExpirationAction_lookup[i]); + } +} + +void migrate_set_capability_completion(ReadLineState *rs, int nb_args, + const char *str) +{ + size_t len; + + len = strlen(str); + readline_set_completion_index(rs, len); + if (nb_args == 2) { + int i; + for (i = 0; i < MIGRATION_CAPABILITY_MAX; i++) { + const char *name = MigrationCapability_lookup[i]; + if (!strncmp(str, name, len)) { + readline_add_completion(rs, name); + } + } + } else if (nb_args == 3) { + add_completion_option(rs, str, "on"); + add_completion_option(rs, str, "off"); + } +} + +void migrate_set_parameter_completion(ReadLineState *rs, int nb_args, + const char *str) +{ + size_t len; + + len = strlen(str); + readline_set_completion_index(rs, len); + if (nb_args == 2) { + int i; + for (i = 0; i < MIGRATION_PARAMETER_MAX; i++) { + const char *name = MigrationParameter_lookup[i]; + if (!strncmp(str, name, len)) { + readline_add_completion(rs, name); + } + } + } +} + +void host_net_add_completion(ReadLineState *rs, int nb_args, const char *str) +{ + int i; + size_t len; + if (nb_args != 2) { + return; + } + len = strlen(str); + readline_set_completion_index(rs, len); + for (i = 0; host_net_devices[i]; i++) { + if (!strncmp(host_net_devices[i], str, len)) { + readline_add_completion(rs, host_net_devices[i]); + } + } +} + +void host_net_remove_completion(ReadLineState *rs, int nb_args, const char *str) +{ + NetClientState *ncs[MAX_QUEUE_NUM]; + int count, i, len; + + len = strlen(str); + readline_set_completion_index(rs, len); + if (nb_args == 2) { + count = qemu_find_net_clients_except(NULL, ncs, + NET_CLIENT_OPTIONS_KIND_NONE, + MAX_QUEUE_NUM); + for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) { + int id; + char name[16]; + + if (net_hub_id_for_client(ncs[i], &id)) { + continue; + } + snprintf(name, sizeof(name), "%d", id); + if (!strncmp(str, name, len)) { + readline_add_completion(rs, name); + } + } + return; + } else if (nb_args == 3) { + count = qemu_find_net_clients_except(NULL, ncs, + NET_CLIENT_OPTIONS_KIND_NIC, + MAX_QUEUE_NUM); + for (i = 0; i < MIN(count, MAX_QUEUE_NUM); i++) { + int id; + const char *name; + + if (ncs[i]->info->type == NET_CLIENT_OPTIONS_KIND_HUBPORT || + net_hub_id_for_client(ncs[i], &id)) { + continue; + } + name = ncs[i]->name; + if (!strncmp(str, name, len)) { + readline_add_completion(rs, name); + } + } + return; + } +} + +static void vm_completion(ReadLineState *rs, const char *str) +{ + size_t len; + BlockDriverState *bs = NULL; + + len = strlen(str); + readline_set_completion_index(rs, len); + while ((bs = bdrv_next(bs))) { + SnapshotInfoList *snapshots, *snapshot; + + if (!bdrv_can_snapshot(bs)) { + continue; + } + if (bdrv_query_snapshot_info_list(bs, &snapshots, NULL)) { + continue; + } + snapshot = snapshots; + while (snapshot) { + char *completion = snapshot->value->name; + if (!strncmp(str, completion, len)) { + readline_add_completion(rs, completion); + } + completion = snapshot->value->id; + if (!strncmp(str, completion, len)) { + readline_add_completion(rs, completion); + } + snapshot = snapshot->next; + } + qapi_free_SnapshotInfoList(snapshots); + } + +} + +void delvm_completion(ReadLineState *rs, int nb_args, const char *str) +{ + if (nb_args == 2) { + vm_completion(rs, str); + } +} + +void loadvm_completion(ReadLineState *rs, int nb_args, const char *str) +{ + if (nb_args == 2) { + vm_completion(rs, str); + } +} + +static void monitor_find_completion_by_table(Monitor *mon, + const mon_cmd_t *cmd_table, + char **args, + int nb_args) +{ + const char *cmdname; + int i; + const char *ptype, *str, *name; + const mon_cmd_t *cmd; + BlockDriverState *bs; + + if (nb_args <= 1) { + /* command completion */ + if (nb_args == 0) + cmdname = ""; + else + cmdname = args[0]; + readline_set_completion_index(mon->rs, strlen(cmdname)); + for (cmd = cmd_table; cmd->name != NULL; cmd++) { + cmd_completion(mon, cmdname, cmd->name); + } + } else { + /* find the command */ + for (cmd = cmd_table; cmd->name != NULL; cmd++) { + if (compare_cmd(args[0], cmd->name)) { + break; + } + } + if (!cmd->name) { + return; + } + + if (cmd->sub_table) { + /* do the job again */ + monitor_find_completion_by_table(mon, cmd->sub_table, + &args[1], nb_args - 1); + return; + } + if (cmd->command_completion) { + cmd->command_completion(mon->rs, nb_args, args[nb_args - 1]); + return; + } + + ptype = next_arg_type(cmd->args_type); + for(i = 0; i < nb_args - 2; i++) { + if (*ptype != '\0') { + ptype = next_arg_type(ptype); + while (*ptype == '?') + ptype = next_arg_type(ptype); + } + } + str = args[nb_args - 1]; + while (*ptype == '-' && ptype[1] != '\0') { + ptype = next_arg_type(ptype); + } + switch(*ptype) { + case 'F': + /* file completion */ + readline_set_completion_index(mon->rs, strlen(str)); + file_completion(mon, str); + break; + case 'B': + /* block device name completion */ + readline_set_completion_index(mon->rs, strlen(str)); + for (bs = bdrv_next(NULL); bs; bs = bdrv_next(bs)) { + name = bdrv_get_device_name(bs); + if (str[0] == '\0' || + !strncmp(name, str, strlen(str))) { + readline_add_completion(mon->rs, name); + } + } + break; + case 's': + case 'S': + if (!strcmp(cmd->name, "help|?")) { + monitor_find_completion_by_table(mon, cmd_table, + &args[1], nb_args - 1); + } + break; + default: + break; + } + } +} + +static void monitor_find_completion(void *opaque, + const char *cmdline) +{ + Monitor *mon = opaque; + char *args[MAX_ARGS]; + int nb_args, len; + + /* 1. parse the cmdline */ + if (parse_cmdline(cmdline, &nb_args, args) < 0) { + return; + } + + /* if the line ends with a space, it means we want to complete the + next arg */ + len = strlen(cmdline); + if (len > 0 && qemu_isspace(cmdline[len - 1])) { + if (nb_args >= MAX_ARGS) { + goto cleanup; + } + args[nb_args++] = g_strdup(""); + } + + /* 2. auto complete according to args */ + monitor_find_completion_by_table(mon, mon->cmd_table, args, nb_args); + +cleanup: + free_cmdline_args(args, nb_args); +} + +static int monitor_can_read(void *opaque) +{ + Monitor *mon = opaque; + + return (mon->suspend_cnt == 0) ? 1 : 0; +} + +static bool invalid_qmp_mode(const Monitor *mon, const mon_cmd_t *cmd, + Error **errp) +{ + bool is_cap = cmd->mhandler.cmd_new == qmp_capabilities; + + if (is_cap && mon->qmp.in_command_mode) { + error_set(errp, ERROR_CLASS_COMMAND_NOT_FOUND, + "Capabilities negotiation is already complete, command " + "'%s' ignored", cmd->name); + return true; + } + if (!is_cap && !mon->qmp.in_command_mode) { + error_set(errp, ERROR_CLASS_COMMAND_NOT_FOUND, + "Expecting capabilities negotiation with " + "'qmp_capabilities' before command '%s'", cmd->name); + return true; + } + return false; +} + +/* + * Argument validation rules: + * + * 1. The argument must exist in cmd_args qdict + * 2. The argument type must be the expected one + * + * Special case: If the argument doesn't exist in cmd_args and + * the QMP_ACCEPT_UNKNOWNS flag is set, then the + * checking is skipped for it. + */ +static void check_client_args_type(const QDict *client_args, + const QDict *cmd_args, int flags, + Error **errp) +{ + const QDictEntry *ent; + + for (ent = qdict_first(client_args); ent;ent = qdict_next(client_args,ent)){ + QObject *obj; + QString *arg_type; + const QObject *client_arg = qdict_entry_value(ent); + const char *client_arg_name = qdict_entry_key(ent); + + obj = qdict_get(cmd_args, client_arg_name); + if (!obj) { + if (flags & QMP_ACCEPT_UNKNOWNS) { + /* handler accepts unknowns */ + continue; + } + /* client arg doesn't exist */ + error_setg(errp, QERR_INVALID_PARAMETER, client_arg_name); + return; + } + + arg_type = qobject_to_qstring(obj); + assert(arg_type != NULL); + + /* check if argument's type is correct */ + switch (qstring_get_str(arg_type)[0]) { + case 'F': + case 'B': + case 's': + if (qobject_type(client_arg) != QTYPE_QSTRING) { + error_setg(errp, QERR_INVALID_PARAMETER_TYPE, + client_arg_name, "string"); + return; + } + break; + case 'i': + case 'l': + case 'M': + case 'o': + if (qobject_type(client_arg) != QTYPE_QINT) { + error_setg(errp, QERR_INVALID_PARAMETER_TYPE, + client_arg_name, "int"); + return; + } + break; + case 'T': + if (qobject_type(client_arg) != QTYPE_QINT && + qobject_type(client_arg) != QTYPE_QFLOAT) { + error_setg(errp, QERR_INVALID_PARAMETER_TYPE, + client_arg_name, "number"); + return; + } + break; + case 'b': + case '-': + if (qobject_type(client_arg) != QTYPE_QBOOL) { + error_setg(errp, QERR_INVALID_PARAMETER_TYPE, + client_arg_name, "bool"); + return; + } + break; + case 'O': + assert(flags & QMP_ACCEPT_UNKNOWNS); + break; + case 'q': + /* Any QObject can be passed. */ + break; + case '/': + case '.': + /* + * These types are not supported by QMP and thus are not + * handled here. Fall through. + */ + default: + abort(); + } + } +} + +/* + * - Check if the client has passed all mandatory args + * - Set special flags for argument validation + */ +static void check_mandatory_args(const QDict *cmd_args, + const QDict *client_args, int *flags, + Error **errp) +{ + const QDictEntry *ent; + + for (ent = qdict_first(cmd_args); ent; ent = qdict_next(cmd_args, ent)) { + const char *cmd_arg_name = qdict_entry_key(ent); + QString *type = qobject_to_qstring(qdict_entry_value(ent)); + assert(type != NULL); + + if (qstring_get_str(type)[0] == 'O') { + assert((*flags & QMP_ACCEPT_UNKNOWNS) == 0); + *flags |= QMP_ACCEPT_UNKNOWNS; + } else if (qstring_get_str(type)[0] != '-' && + qstring_get_str(type)[1] != '?' && + !qdict_haskey(client_args, cmd_arg_name)) { + error_setg(errp, QERR_MISSING_PARAMETER, cmd_arg_name); + return; + } + } +} + +static QDict *qdict_from_args_type(const char *args_type) +{ + int i; + QDict *qdict; + QString *key, *type, *cur_qs; + + assert(args_type != NULL); + + qdict = qdict_new(); + + if (args_type == NULL || args_type[0] == '\0') { + /* no args, empty qdict */ + goto out; + } + + key = qstring_new(); + type = qstring_new(); + + cur_qs = key; + + for (i = 0;; i++) { + switch (args_type[i]) { + case ',': + case '\0': + qdict_put(qdict, qstring_get_str(key), type); + QDECREF(key); + if (args_type[i] == '\0') { + goto out; + } + type = qstring_new(); /* qdict has ref */ + cur_qs = key = qstring_new(); + break; + case ':': + cur_qs = type; + break; + default: + qstring_append_chr(cur_qs, args_type[i]); + break; + } + } + +out: + return qdict; +} + +/* + * Client argument checking rules: + * + * 1. Client must provide all mandatory arguments + * 2. Each argument provided by the client must be expected + * 3. Each argument provided by the client must have the type expected + * by the command + */ +static void qmp_check_client_args(const mon_cmd_t *cmd, QDict *client_args, + Error **errp) +{ + Error *err = NULL; + int flags; + QDict *cmd_args; + + cmd_args = qdict_from_args_type(cmd->args_type); + + flags = 0; + check_mandatory_args(cmd_args, client_args, &flags, &err); + if (err) { + goto out; + } + + check_client_args_type(client_args, cmd_args, flags, &err); + +out: + error_propagate(errp, err); + QDECREF(cmd_args); +} + +/* + * Input object checking rules + * + * 1. Input object must be a dict + * 2. The "execute" key must exist + * 3. The "execute" key must be a string + * 4. If the "arguments" key exists, it must be a dict + * 5. If the "id" key exists, it can be anything (ie. json-value) + * 6. Any argument not listed above is considered invalid + */ +static QDict *qmp_check_input_obj(QObject *input_obj, Error **errp) +{ + const QDictEntry *ent; + int has_exec_key = 0; + QDict *input_dict; + + if (qobject_type(input_obj) != QTYPE_QDICT) { + error_setg(errp, QERR_QMP_BAD_INPUT_OBJECT, "object"); + return NULL; + } + + input_dict = qobject_to_qdict(input_obj); + + for (ent = qdict_first(input_dict); ent; ent = qdict_next(input_dict, ent)){ + const char *arg_name = qdict_entry_key(ent); + const QObject *arg_obj = qdict_entry_value(ent); + + if (!strcmp(arg_name, "execute")) { + if (qobject_type(arg_obj) != QTYPE_QSTRING) { + error_setg(errp, QERR_QMP_BAD_INPUT_OBJECT_MEMBER, + "execute", "string"); + return NULL; + } + has_exec_key = 1; + } else if (!strcmp(arg_name, "arguments")) { + if (qobject_type(arg_obj) != QTYPE_QDICT) { + error_setg(errp, QERR_QMP_BAD_INPUT_OBJECT_MEMBER, + "arguments", "object"); + return NULL; + } + } else if (!strcmp(arg_name, "id")) { + /* Any string is acceptable as "id", so nothing to check */ + } else { + error_setg(errp, QERR_QMP_EXTRA_MEMBER, arg_name); + return NULL; + } + } + + if (!has_exec_key) { + error_setg(errp, QERR_QMP_BAD_INPUT_OBJECT, "execute"); + return NULL; + } + + return input_dict; +} + +static void handle_qmp_command(JSONMessageParser *parser, QList *tokens) +{ + Error *local_err = NULL; + QObject *obj, *data; + QDict *input, *args; + const mon_cmd_t *cmd; + const char *cmd_name; + Monitor *mon = cur_mon; + + args = input = NULL; + data = NULL; + + obj = json_parser_parse(tokens, NULL); + if (!obj) { + // FIXME: should be triggered in json_parser_parse() + error_setg(&local_err, QERR_JSON_PARSING); + goto err_out; + } + + input = qmp_check_input_obj(obj, &local_err); + if (!input) { + qobject_decref(obj); + goto err_out; + } + + mon->qmp.id = qdict_get(input, "id"); + qobject_incref(mon->qmp.id); + + cmd_name = qdict_get_str(input, "execute"); + trace_handle_qmp_command(mon, cmd_name); + cmd = qmp_find_cmd(cmd_name); + if (!cmd) { + error_set(&local_err, ERROR_CLASS_COMMAND_NOT_FOUND, + "The command %s has not been found", cmd_name); + goto err_out; + } + if (invalid_qmp_mode(mon, cmd, &local_err)) { + goto err_out; + } + + obj = qdict_get(input, "arguments"); + if (!obj) { + args = qdict_new(); + } else { + args = qobject_to_qdict(obj); + QINCREF(args); + } + + qmp_check_client_args(cmd, args, &local_err); + if (local_err) { + goto err_out; + } + + cmd->mhandler.cmd_new(args, &data, &local_err); + +err_out: + monitor_protocol_emitter(mon, data, local_err); + qobject_decref(data); + QDECREF(input); + QDECREF(args); +} + +static void monitor_qmp_read(void *opaque, const uint8_t *buf, int size) +{ + Monitor *old_mon = cur_mon; + + cur_mon = opaque; + + json_message_parser_feed(&cur_mon->qmp.parser, (const char *) buf, size); + + cur_mon = old_mon; +} + +static void monitor_read(void *opaque, const uint8_t *buf, int size) +{ + Monitor *old_mon = cur_mon; + int i; + + cur_mon = opaque; + + if (cur_mon->rs) { + for (i = 0; i < size; i++) + readline_handle_byte(cur_mon->rs, buf[i]); + } else { + if (size == 0 || buf[size - 1] != 0) + monitor_printf(cur_mon, "corrupted command\n"); + else + handle_hmp_command(cur_mon, (char *)buf); + } + + cur_mon = old_mon; +} + +static void monitor_command_cb(void *opaque, const char *cmdline, + void *readline_opaque) +{ + Monitor *mon = opaque; + + monitor_suspend(mon); + handle_hmp_command(mon, cmdline); + monitor_resume(mon); +} + +int monitor_suspend(Monitor *mon) +{ + if (!mon->rs) + return -ENOTTY; + mon->suspend_cnt++; + return 0; +} + +void monitor_resume(Monitor *mon) +{ + if (!mon->rs) + return; + if (--mon->suspend_cnt == 0) + readline_show_prompt(mon->rs); +} + +static QObject *get_qmp_greeting(void) +{ + QObject *ver = NULL; + + qmp_marshal_input_query_version(NULL, &ver, NULL); + return qobject_from_jsonf("{'QMP':{'version': %p,'capabilities': []}}",ver); +} + +static void monitor_qmp_event(void *opaque, int event) +{ + QObject *data; + Monitor *mon = opaque; + + switch (event) { + case CHR_EVENT_OPENED: + mon->qmp.in_command_mode = false; + data = get_qmp_greeting(); + monitor_json_emitter(mon, data); + qobject_decref(data); + mon_refcount++; + break; + case CHR_EVENT_CLOSED: + json_message_parser_destroy(&mon->qmp.parser); + json_message_parser_init(&mon->qmp.parser, handle_qmp_command); + mon_refcount--; + monitor_fdsets_cleanup(); + break; + } +} + +static void monitor_event(void *opaque, int event) +{ + Monitor *mon = opaque; + + switch (event) { + case CHR_EVENT_MUX_IN: + qemu_mutex_lock(&mon->out_lock); + mon->mux_out = 0; + qemu_mutex_unlock(&mon->out_lock); + if (mon->reset_seen) { + readline_restart(mon->rs); + monitor_resume(mon); + monitor_flush(mon); + } else { + mon->suspend_cnt = 0; + } + break; + + case CHR_EVENT_MUX_OUT: + if (mon->reset_seen) { + if (mon->suspend_cnt == 0) { + monitor_printf(mon, "\n"); + } + monitor_flush(mon); + monitor_suspend(mon); + } else { + mon->suspend_cnt++; + } + qemu_mutex_lock(&mon->out_lock); + mon->mux_out = 1; + qemu_mutex_unlock(&mon->out_lock); + break; + + case CHR_EVENT_OPENED: + monitor_printf(mon, "QEMU %s monitor - type 'help' for more " + "information\n", QEMU_VERSION); + if (!mon->mux_out) { + readline_restart(mon->rs); + readline_show_prompt(mon->rs); + } + mon->reset_seen = 1; + mon_refcount++; + break; + + case CHR_EVENT_CLOSED: + mon_refcount--; + monitor_fdsets_cleanup(); + break; + } +} + +static int +compare_mon_cmd(const void *a, const void *b) +{ + return strcmp(((const mon_cmd_t *)a)->name, + ((const mon_cmd_t *)b)->name); +} + +static void sortcmdlist(void) +{ + int array_num; + int elem_size = sizeof(mon_cmd_t); + + array_num = sizeof(mon_cmds)/elem_size-1; + qsort((void *)mon_cmds, array_num, elem_size, compare_mon_cmd); + + array_num = sizeof(info_cmds)/elem_size-1; + qsort((void *)info_cmds, array_num, elem_size, compare_mon_cmd); +} + + +/* + * Local variables: + * c-indent-level: 4 + * c-basic-offset: 4 + * tab-width: 8 + * End: + */ + +/* These functions just adapt the readline interface in a typesafe way. We + * could cast function pointers but that discards compiler checks. + */ +static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque, + const char *fmt, ...) +{ + va_list ap; + va_start(ap, fmt); + monitor_vprintf(opaque, fmt, ap); + va_end(ap); +} + +static void monitor_readline_flush(void *opaque) +{ + monitor_flush(opaque); +} + +static void __attribute__((constructor)) monitor_lock_init(void) +{ + qemu_mutex_init(&monitor_lock); +} + +void monitor_init(CharDriverState *chr, int flags) +{ + static int is_first_init = 1; + Monitor *mon; + + if (is_first_init) { + monitor_qapi_event_init(); + sortcmdlist(); + is_first_init = 0; + } + + mon = g_malloc(sizeof(*mon)); + monitor_data_init(mon); + + mon->chr = chr; + mon->flags = flags; + if (flags & MONITOR_USE_READLINE) { + mon->rs = readline_init(monitor_readline_printf, + monitor_readline_flush, + mon, + monitor_find_completion); + monitor_read_command(mon, 0); + } + + if (monitor_is_qmp(mon)) { + qemu_chr_add_handlers(chr, monitor_can_read, monitor_qmp_read, + monitor_qmp_event, mon); + qemu_chr_fe_set_echo(chr, true); + json_message_parser_init(&mon->qmp.parser, handle_qmp_command); + } else { + qemu_chr_add_handlers(chr, monitor_can_read, monitor_read, + monitor_event, mon); + } + + qemu_mutex_lock(&monitor_lock); + QLIST_INSERT_HEAD(&mon_list, mon, entry); + qemu_mutex_unlock(&monitor_lock); +} + +static void bdrv_password_cb(void *opaque, const char *password, + void *readline_opaque) +{ + Monitor *mon = opaque; + BlockDriverState *bs = readline_opaque; + int ret = 0; + Error *local_err = NULL; + + bdrv_add_key(bs, password, &local_err); + if (local_err) { + monitor_printf(mon, "%s\n", error_get_pretty(local_err)); + error_free(local_err); + ret = -EPERM; + } + if (mon->password_completion_cb) + mon->password_completion_cb(mon->password_opaque, ret); + + monitor_read_command(mon, 1); +} + +int monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs, + BlockCompletionFunc *completion_cb, + void *opaque) +{ + int err; + + monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs), + bdrv_get_encrypted_filename(bs)); + + mon->password_completion_cb = completion_cb; + mon->password_opaque = opaque; + + err = monitor_read_password(mon, bdrv_password_cb, bs); + + if (err && completion_cb) + completion_cb(opaque, err); + + return err; +} + +int monitor_read_block_device_key(Monitor *mon, const char *device, + BlockCompletionFunc *completion_cb, + void *opaque) +{ + Error *err = NULL; + BlockBackend *blk; + + blk = blk_by_name(device); + if (!blk) { + monitor_printf(mon, "Device not found %s\n", device); + return -1; + } + + bdrv_add_key(blk_bs(blk), NULL, &err); + if (err) { + error_free(err); + return monitor_read_bdrv_key_start(mon, blk_bs(blk), completion_cb, opaque); + } + + if (completion_cb) { + completion_cb(opaque, 0); + } + return 0; +} + +QemuOptsList qemu_mon_opts = { + .name = "mon", + .implied_opt_name = "chardev", + .head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head), + .desc = { + { + .name = "mode", + .type = QEMU_OPT_STRING, + },{ + .name = "chardev", + .type = QEMU_OPT_STRING, + },{ + .name = "default", + .type = QEMU_OPT_BOOL, + },{ + .name = "pretty", + .type = QEMU_OPT_BOOL, + }, + { /* end of list */ } + }, +}; + +#ifndef TARGET_I386 +void qmp_rtc_reset_reinjection(Error **errp) +{ + error_setg(errp, QERR_FEATURE_DISABLED, "rtc-reset-reinjection"); +} +#endif |