monitor.c 137.6 KB
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/*
 * QEMU monitor
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 *
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 * Copyright (c) 2003-2004 Fabrice Bellard
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 *
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 * 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.
 */
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#include <dirent.h>
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#include "hw/hw.h"
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#include "hw/qdev.h"
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#include "hw/usb.h"
#include "hw/pcmcia.h"
#include "hw/pc.h"
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#include "hw/pci/pci.h"
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#include "hw/watchdog.h"
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#include "hw/loader.h"
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#include "exec/gdbstub.h"
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#include "net/net.h"
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#include "net/slirp.h"
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#include "char/char.h"
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#include "ui/qemu-spice.h"
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#include "sysemu/sysemu.h"
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#include "monitor/monitor.h"
#include "monitor/readline.h"
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#include "ui/console.h"
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#include "sysemu/blockdev.h"
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#include "audio/audio.h"
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#include "disas/disas.h"
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#include "sysemu/balloon.h"
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#include "qemu/timer.h"
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#include "migration/migration.h"
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#include "sysemu/kvm.h"
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#include "qemu/acl.h"
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#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"
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#include "qemu/osdep.h"
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#include "cpu.h"
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#include "trace.h"
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#include "trace/control.h"
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#ifdef CONFIG_TRACE_SIMPLE
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#include "trace/simple.h"
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#endif
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#include "ui/qemu-spice.h"
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#include "exec/memory.h"
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#include "qmp-commands.h"
#include "hmp.h"
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#include "qemu/thread.h"
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/* for pic/irq_info */
#if defined(TARGET_SPARC)
#include "hw/sun4m.h"
#endif
#include "hw/lm32_pic.h"

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//#define DEBUG
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//#define DEBUG_COMPLETION
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/*
 * Supported types:
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 *
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 * 'F'          filename
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 * 'B'          block device name
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 * 's'          string (accept optional quote)
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 * '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
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 * 'i'          32 bit integer
 * 'l'          target long (32 or 64 bit)
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 * 'M'          Non-negative target long (32 or 64 bit), in user mode the
 *              value is multiplied by 2^20 (think Mebibyte)
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 * 'o'          octets (aka bytes)
 *              user mode accepts an optional T, t, G, g, M, m, K, k
 *              suffix, which multiplies the value by 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
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 * 'T'          double
 *              user mode accepts an optional ms, us, ns suffix,
 *              which divides the value by 1e3, 1e6, 1e9, respectively
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 * '/'          optional gdb-like print format (like "/10x")
 *
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 * '?'          optional type (for all types, except '/')
 * '.'          other form of optional type (for 'i' and 'l')
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 * 'b'          boolean
 *              user mode accepts "on" or "off"
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 * '-'          optional parameter (eg. '-f')
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 *
 */

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typedef struct MonitorCompletionData MonitorCompletionData;
struct MonitorCompletionData {
    Monitor *mon;
    void (*user_print)(Monitor *mon, const QObject *data);
};

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typedef struct mon_cmd_t {
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    const char *name;
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    const char *args_type;
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    const char *params;
    const char *help;
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    void (*user_print)(Monitor *mon, const QObject *data);
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    union {
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        void (*cmd)(Monitor *mon, const QDict *qdict);
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        int  (*cmd_new)(Monitor *mon, const QDict *params, QObject **ret_data);
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        int  (*cmd_async)(Monitor *mon, const QDict *params,
                          MonitorCompletion *cb, void *opaque);
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    } mhandler;
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    int flags;
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    /* @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;
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} mon_cmd_t;
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/* file descriptors passed via SCM_RIGHTS */
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typedef struct mon_fd_t mon_fd_t;
struct mon_fd_t {
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    char *name;
    int fd;
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    QLIST_ENTRY(mon_fd_t) next;
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};

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/* 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;
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    QLIST_HEAD(, MonFdsetFd) dup_fds;
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    QLIST_ENTRY(MonFdset) next;
};

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typedef struct MonitorControl {
    QObject *id;
    JSONMessageParser parser;
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    int command_mode;
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} MonitorControl;

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/*
 * To prevent flooding clients, events can be throttled. The
 * throttling is calculated globally, rather than per-Monitor
 * instance.
 */
typedef struct MonitorEventState {
    MonitorEvent event; /* Event being tracked */
    int64_t rate;       /* Period over which to throttle. 0 to disable */
    int64_t last;       /* Time at which event was last emitted */
    QEMUTimer *timer;   /* Timer for handling delayed events */
    QObject *data;      /* Event pending delayed dispatch */
} MonitorEventState;

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struct Monitor {
    CharDriverState *chr;
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    int mux_out;
    int reset_seen;
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    int flags;
    int suspend_cnt;
    uint8_t outbuf[1024];
    int outbuf_index;
    ReadLineState *rs;
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    MonitorControl *mc;
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    CPUArchState *mon_cpu;
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    BlockDriverCompletionFunc *password_completion_cb;
    void *password_opaque;
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    QError *error;
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    QLIST_HEAD(,mon_fd_t) fds;
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    QLIST_ENTRY(Monitor) entry;
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};

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/* QMP checker flags */
#define QMP_ACCEPT_UNKNOWNS 1

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static QLIST_HEAD(mon_list, Monitor) mon_list;
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static QLIST_HEAD(mon_fdsets, MonFdset) mon_fdsets;
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static int mon_refcount;
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static mon_cmd_t mon_cmds[];
static mon_cmd_t info_cmds[];
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static const mon_cmd_t qmp_cmds[];

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Monitor *cur_mon;
Monitor *default_mon;
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static void monitor_command_cb(Monitor *mon, const char *cmdline,
                               void *opaque);
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static inline int qmp_cmd_mode(const Monitor *mon)
{
    return (mon->mc ? mon->mc->command_mode : 0);
}

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/* Return true if in control mode, false otherwise */
static inline int monitor_ctrl_mode(const Monitor *mon)
{
    return (mon->flags & MONITOR_USE_CONTROL);
}

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/* Return non-zero iff we have a current monitor, and it is in QMP mode.  */
int monitor_cur_is_qmp(void)
{
    return cur_mon && monitor_ctrl_mode(cur_mon);
}

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void monitor_read_command(Monitor *mon, int show_prompt)
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{
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    if (!mon->rs)
        return;

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    readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
    if (show_prompt)
        readline_show_prompt(mon->rs);
}
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int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
                          void *opaque)
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{
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    if (monitor_ctrl_mode(mon)) {
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        qerror_report(QERR_MISSING_PARAMETER, "password");
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        return -EINVAL;
    } else if (mon->rs) {
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        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;
    }
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}

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void monitor_flush(Monitor *mon)
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{
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    if (mon && mon->outbuf_index != 0 && !mon->mux_out) {
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        qemu_chr_fe_write(mon->chr, mon->outbuf, mon->outbuf_index);
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        mon->outbuf_index = 0;
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    }
}

/* flush at every end of line or if the buffer is full */
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static void monitor_puts(Monitor *mon, const char *str)
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{
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    char c;
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    for(;;) {
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        assert(mon->outbuf_index < sizeof(mon->outbuf) - 1);
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        c = *str++;
        if (c == '\0')
            break;
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        if (c == '\n')
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            mon->outbuf[mon->outbuf_index++] = '\r';
        mon->outbuf[mon->outbuf_index++] = c;
        if (mon->outbuf_index >= (sizeof(mon->outbuf) - 1)
            || c == '\n')
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            monitor_flush(mon);
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    }
}

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void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
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{
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    char buf[4096];

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    if (!mon)
        return;

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    if (monitor_ctrl_mode(mon)) {
        return;
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    }
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    vsnprintf(buf, sizeof(buf), fmt, ap);
    monitor_puts(mon, buf);
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}

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void monitor_printf(Monitor *mon, const char *fmt, ...)
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{
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    va_list ap;
    va_start(ap, fmt);
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    monitor_vprintf(mon, fmt, ap);
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    va_end(ap);
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}

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void monitor_print_filename(Monitor *mon, const char *filename)
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{
    int i;

    for (i = 0; filename[i]; i++) {
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        switch (filename[i]) {
        case ' ':
        case '"':
        case '\\':
            monitor_printf(mon, "\\%c", filename[i]);
            break;
        case '\t':
            monitor_printf(mon, "\\t");
            break;
        case '\r':
            monitor_printf(mon, "\\r");
            break;
        case '\n':
            monitor_printf(mon, "\\n");
            break;
        default:
            monitor_printf(mon, "%c", filename[i]);
            break;
        }
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    }
}

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static int GCC_FMT_ATTR(2, 3) monitor_fprintf(FILE *stream,
                                              const char *fmt, ...)
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{
    va_list ap;
    va_start(ap, fmt);
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    monitor_vprintf((Monitor *)stream, fmt, ap);
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    va_end(ap);
    return 0;
}

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static void monitor_user_noop(Monitor *mon, const QObject *data) { }

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static inline int handler_is_qobject(const mon_cmd_t *cmd)
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{
    return cmd->user_print != NULL;
}

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static inline bool handler_is_async(const mon_cmd_t *cmd)
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{
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    return cmd->flags & MONITOR_CMD_ASYNC;
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}

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static inline int monitor_has_error(const Monitor *mon)
{
    return mon->error != NULL;
}

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static void monitor_json_emitter(Monitor *mon, const QObject *data)
{
    QString *json;

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    json = mon->flags & MONITOR_USE_PRETTY ? qobject_to_json_pretty(data) :
                                             qobject_to_json(data);
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    assert(json != NULL);

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    qstring_append_chr(json, '\n');
    monitor_puts(mon, qstring_get_str(json));
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    QDECREF(json);
}

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static QDict *build_qmp_error_dict(const QError *err)
{
    QObject *obj;

    obj = qobject_from_jsonf("{ 'error': { 'class': %s, 'desc': %p } }",
                             ErrorClass_lookup[err->err_class],
                             qerror_human(err));

    return qobject_to_qdict(obj);
}

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static void monitor_protocol_emitter(Monitor *mon, QObject *data)
{
    QDict *qmp;

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    trace_monitor_protocol_emitter(mon);

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    if (!monitor_has_error(mon)) {
        /* success response */
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        qmp = qdict_new();
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        if (data) {
            qobject_incref(data);
            qdict_put_obj(qmp, "return", data);
        } else {
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            /* return an empty QDict by default */
            qdict_put(qmp, "return", qdict_new());
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        }
    } else {
        /* error response */
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        qmp = build_qmp_error_dict(mon->error);
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        QDECREF(mon->error);
        mon->error = NULL;
    }

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    if (mon->mc->id) {
        qdict_put_obj(qmp, "id", mon->mc->id);
        mon->mc->id = NULL;
    }

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    monitor_json_emitter(mon, QOBJECT(qmp));
    QDECREF(qmp);
}

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static void timestamp_put(QDict *qdict)
{
    int err;
    QObject *obj;
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    qemu_timeval tv;
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    err = qemu_gettimeofday(&tv);
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    if (err < 0)
        return;

    obj = qobject_from_jsonf("{ 'seconds': %" PRId64 ", "
                                "'microseconds': %" PRId64 " }",
                                (int64_t) tv.tv_sec, (int64_t) tv.tv_usec);
    qdict_put_obj(qdict, "timestamp", obj);
}

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static const char *monitor_event_names[] = {
    [QEVENT_SHUTDOWN] = "SHUTDOWN",
    [QEVENT_RESET] = "RESET",
    [QEVENT_POWERDOWN] = "POWERDOWN",
    [QEVENT_STOP] = "STOP",
    [QEVENT_RESUME] = "RESUME",
    [QEVENT_VNC_CONNECTED] = "VNC_CONNECTED",
    [QEVENT_VNC_INITIALIZED] = "VNC_INITIALIZED",
    [QEVENT_VNC_DISCONNECTED] = "VNC_DISCONNECTED",
    [QEVENT_BLOCK_IO_ERROR] = "BLOCK_IO_ERROR",
    [QEVENT_RTC_CHANGE] = "RTC_CHANGE",
    [QEVENT_WATCHDOG] = "WATCHDOG",
    [QEVENT_SPICE_CONNECTED] = "SPICE_CONNECTED",
    [QEVENT_SPICE_INITIALIZED] = "SPICE_INITIALIZED",
    [QEVENT_SPICE_DISCONNECTED] = "SPICE_DISCONNECTED",
    [QEVENT_BLOCK_JOB_COMPLETED] = "BLOCK_JOB_COMPLETED",
    [QEVENT_BLOCK_JOB_CANCELLED] = "BLOCK_JOB_CANCELLED",
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    [QEVENT_BLOCK_JOB_ERROR] = "BLOCK_JOB_ERROR",
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    [QEVENT_BLOCK_JOB_READY] = "BLOCK_JOB_READY",
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    [QEVENT_DEVICE_TRAY_MOVED] = "DEVICE_TRAY_MOVED",
    [QEVENT_SUSPEND] = "SUSPEND",
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    [QEVENT_SUSPEND_DISK] = "SUSPEND_DISK",
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    [QEVENT_WAKEUP] = "WAKEUP",
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    [QEVENT_BALLOON_CHANGE] = "BALLOON_CHANGE",
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    [QEVENT_SPICE_MIGRATE_COMPLETED] = "SPICE_MIGRATE_COMPLETED",
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};
QEMU_BUILD_BUG_ON(ARRAY_SIZE(monitor_event_names) != QEVENT_MAX)

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MonitorEventState monitor_event_state[QEVENT_MAX];
QemuMutex monitor_event_state_lock;

/*
 * Emits the event to every monitor instance
 */
static void
monitor_protocol_event_emit(MonitorEvent event,
                            QObject *data)
{
    Monitor *mon;

    trace_monitor_protocol_event_emit(event, data);
    QLIST_FOREACH(mon, &mon_list, entry) {
        if (monitor_ctrl_mode(mon) && qmp_cmd_mode(mon)) {
            monitor_json_emitter(mon, data);
        }
    }
}


/*
 * Queue a new event for emission to Monitor instances,
 * applying any rate limiting if required.
 */
static void
monitor_protocol_event_queue(MonitorEvent event,
                             QObject *data)
{
    MonitorEventState *evstate;
    int64_t now = qemu_get_clock_ns(rt_clock);
    assert(event < QEVENT_MAX);

    qemu_mutex_lock(&monitor_event_state_lock);
    evstate = &(monitor_event_state[event]);
    trace_monitor_protocol_event_queue(event,
                                       data,
                                       evstate->rate,
                                       evstate->last,
                                       now);

    /* Rate limit of 0 indicates no throttling */
    if (!evstate->rate) {
        monitor_protocol_event_emit(event, 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;
                qemu_mod_timer_ns(evstate->timer, then);
            }
            evstate->data = data;
            qobject_incref(evstate->data);
        } else {
            monitor_protocol_event_emit(event, data);
            evstate->last = now;
        }
    }
    qemu_mutex_unlock(&monitor_event_state_lock);
}


/*
 * The callback invoked by QemuTimer when a delayed
 * event is ready to be emitted
 */
static void monitor_protocol_event_handler(void *opaque)
{
    MonitorEventState *evstate = opaque;
    int64_t now = qemu_get_clock_ns(rt_clock);

    qemu_mutex_lock(&monitor_event_state_lock);

    trace_monitor_protocol_event_handler(evstate->event,
                                         evstate->data,
                                         evstate->last,
                                         now);
    if (evstate->data) {
        monitor_protocol_event_emit(evstate->event, evstate->data);
        qobject_decref(evstate->data);
        evstate->data = NULL;
    }
    evstate->last = now;
    qemu_mutex_unlock(&monitor_event_state_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_protocol_event_throttle(MonitorEvent event,
                                int64_t rate)
{
    MonitorEventState *evstate;
    assert(event < QEVENT_MAX);

    evstate = &(monitor_event_state[event]);

    trace_monitor_protocol_event_throttle(event, rate);
    evstate->event = event;
    evstate->rate = rate * SCALE_MS;
    evstate->timer = qemu_new_timer(rt_clock,
                                    SCALE_MS,
                                    monitor_protocol_event_handler,
                                    evstate);
    evstate->last = 0;
    evstate->data = NULL;
}


/* Global, one-time initializer to configure the rate limiting
 * and initialize state */
static void monitor_protocol_event_init(void)
{
    qemu_mutex_init(&monitor_event_state_lock);
    /* Limit RTC & BALLOON events to 1 per second */
    monitor_protocol_event_throttle(QEVENT_RTC_CHANGE, 1000);
    monitor_protocol_event_throttle(QEVENT_BALLOON_CHANGE, 1000);
    monitor_protocol_event_throttle(QEVENT_WATCHDOG, 1000);
}

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/**
 * monitor_protocol_event(): Generate a Monitor event
 *
 * Event-specific data can be emitted through the (optional) 'data' parameter.
 */
void monitor_protocol_event(MonitorEvent event, QObject *data)
{
    QDict *qmp;
    const char *event_name;

614
    assert(event < QEVENT_MAX);
615

616 617
    event_name = monitor_event_names[event];
    assert(event_name != NULL);
618 619 620 621

    qmp = qdict_new();
    timestamp_put(qmp);
    qdict_put(qmp, "event", qstring_from_str(event_name));
622 623
    if (data) {
        qobject_incref(data);
624
        qdict_put_obj(qmp, "data", data);
625
    }
626

627 628
    trace_monitor_protocol_event(event, event_name, qmp);
    monitor_protocol_event_queue(event, QOBJECT(qmp));
629 630 631
    QDECREF(qmp);
}

632 633
static int do_qmp_capabilities(Monitor *mon, const QDict *params,
                               QObject **ret_data)
634 635 636 637 638
{
    /* Will setup QMP capabilities in the future */
    if (monitor_ctrl_mode(mon)) {
        mon->mc->command_mode = 1;
    }
639 640

    return 0;
641 642
}

643 644
static void handle_user_command(Monitor *mon, const char *cmdline);

645 646
char *qmp_human_monitor_command(const char *command_line, bool has_cpu_index,
                                int64_t cpu_index, Error **errp)
647
{
648
    char *output = NULL;
649 650 651 652 653 654 655 656 657 658
    Monitor *old_mon, hmp;
    CharDriverState mchar;

    memset(&hmp, 0, sizeof(hmp));
    qemu_chr_init_mem(&mchar);
    hmp.chr = &mchar;

    old_mon = cur_mon;
    cur_mon = &hmp;

659 660
    if (has_cpu_index) {
        int ret = monitor_set_cpu(cpu_index);
661 662
        if (ret < 0) {
            cur_mon = old_mon;
663 664
            error_set(errp, QERR_INVALID_PARAMETER_VALUE, "cpu-index",
                      "a CPU number");
665 666 667 668
            goto out;
        }
    }

669
    handle_user_command(&hmp, command_line);
670 671 672
    cur_mon = old_mon;

    if (qemu_chr_mem_osize(hmp.chr) > 0) {
673 674 675 676 677
        QString *str = qemu_chr_mem_to_qs(hmp.chr);
        output = g_strdup(qstring_get_str(str));
        QDECREF(str);
    } else {
        output = g_strdup("");
678 679 680 681
    }

out:
    qemu_chr_close_mem(hmp.chr);
682
    return output;
683 684
}

B
bellard 已提交
685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704
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;
}

A
Anthony Liguori 已提交
705
static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
A
aliguori 已提交
706
                          const char *prefix, const char *name)
B
bellard 已提交
707
{
A
Anthony Liguori 已提交
708
    const mon_cmd_t *cmd;
B
bellard 已提交
709 710 711

    for(cmd = cmds; cmd->name != NULL; cmd++) {
        if (!name || !strcmp(name, cmd->name))
A
aliguori 已提交
712 713
            monitor_printf(mon, "%s%s %s -- %s\n", prefix, cmd->name,
                           cmd->params, cmd->help);
B
bellard 已提交
714 715 716
    }
}

A
aliguori 已提交
717
static void help_cmd(Monitor *mon, const char *name)
B
bellard 已提交
718 719
{
    if (name && !strcmp(name, "info")) {
A
aliguori 已提交
720
        help_cmd_dump(mon, info_cmds, "info ", NULL);
B
bellard 已提交
721
    } else {
A
aliguori 已提交
722
        help_cmd_dump(mon, mon_cmds, "", name);
723
        if (name && !strcmp(name, "log")) {
724
            const QEMULogItem *item;
A
aliguori 已提交
725 726
            monitor_printf(mon, "Log items (comma separated):\n");
            monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
727
            for (item = qemu_log_items; item->mask != 0; item++) {
A
aliguori 已提交
728
                monitor_printf(mon, "%-10s %s\n", item->name, item->help);
729 730
            }
        }
B
bellard 已提交
731 732 733
    }
}

734
static void do_help_cmd(Monitor *mon, const QDict *qdict)
735
{
736
    help_cmd(mon, qdict_get_try_str(qdict, "name"));
737 738
}

739
static void do_trace_event_set_state(Monitor *mon, const QDict *qdict)
740 741 742
{
    const char *tp_name = qdict_get_str(qdict, "name");
    bool new_state = qdict_get_bool(qdict, "option");
743
    int ret = trace_event_set_state(tp_name, new_state);
744 745 746 747

    if (!ret) {
        monitor_printf(mon, "unknown event name \"%s\"\n", tp_name);
    }
748
}
749

M
Michael Roth 已提交
750
#ifdef CONFIG_TRACE_SIMPLE
751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772
static void do_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");
    }
}
773 774
#endif

775 776 777 778 779 780 781 782
static void user_monitor_complete(void *opaque, QObject *ret_data)
{
    MonitorCompletionData *data = (MonitorCompletionData *)opaque; 

    if (ret_data) {
        data->user_print(data->mon, ret_data);
    }
    monitor_resume(data->mon);
783
    g_free(data);
784 785 786 787 788 789 790
}

static void qmp_monitor_complete(void *opaque, QObject *ret_data)
{
    monitor_protocol_emitter(opaque, ret_data);
}

791 792
static int qmp_async_cmd_handler(Monitor *mon, const mon_cmd_t *cmd,
                                 const QDict *params)
793
{
794
    return cmd->mhandler.cmd_async(mon, params, qmp_monitor_complete, mon);
795 796 797 798 799 800 801
}

static void user_async_cmd_handler(Monitor *mon, const mon_cmd_t *cmd,
                                   const QDict *params)
{
    int ret;

802
    MonitorCompletionData *cb_data = g_malloc(sizeof(*cb_data));
803 804 805 806 807 808 809
    cb_data->mon = mon;
    cb_data->user_print = cmd->user_print;
    monitor_suspend(mon);
    ret = cmd->mhandler.cmd_async(mon, params,
                                  user_monitor_complete, cb_data);
    if (ret < 0) {
        monitor_resume(mon);
810
        g_free(cb_data);
811 812 813
    }
}

W
Wenchao Xia 已提交
814
static void do_info_help(Monitor *mon, const QDict *qdict)
B
bellard 已提交
815
{
816
    help_cmd(mon, "info");
B
bellard 已提交
817 818
}

L
Luiz Capitulino 已提交
819
CommandInfoList *qmp_query_commands(Error **errp)
820
{
L
Luiz Capitulino 已提交
821
    CommandInfoList *info, *cmd_list = NULL;
822 823
    const mon_cmd_t *cmd;

824
    for (cmd = qmp_cmds; cmd->name != NULL; cmd++) {
825 826 827
        info = g_malloc0(sizeof(*info));
        info->value = g_malloc0(sizeof(*info->value));
        info->value->name = g_strdup(cmd->name);
828

L
Luiz Capitulino 已提交
829 830
        info->next = cmd_list;
        cmd_list = info;
831 832
    }

L
Luiz Capitulino 已提交
833
    return cmd_list;
834 835
}

836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854
EventInfoList *qmp_query_events(Error **errp)
{
    EventInfoList *info, *ev_list = NULL;
    MonitorEvent e;

    for (e = 0 ; e < QEVENT_MAX ; e++) {
        const char *event_name = monitor_event_names[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;
}

855 856
/* set the current CPU defined by the user */
int monitor_set_cpu(int cpu_index)
B
bellard 已提交
857
{
858
    CPUArchState *env;
859
    CPUState *cpu;
B
bellard 已提交
860

861 862 863
    for (env = first_cpu; env != NULL; env = env->next_cpu) {
        cpu = ENV_GET_CPU(env);
        if (cpu->cpu_index == cpu_index) {
864
            cur_mon->mon_cpu = env;
B
bellard 已提交
865 866 867 868 869 870
            return 0;
        }
    }
    return -1;
}

871
static CPUArchState *mon_get_cpu(void)
B
bellard 已提交
872
{
873
    if (!cur_mon->mon_cpu) {
874
        monitor_set_cpu(0);
B
bellard 已提交
875
    }
876
    cpu_synchronize_state(cur_mon->mon_cpu);
877
    return cur_mon->mon_cpu;
B
bellard 已提交
878 879
}

880 881
int monitor_get_cpu_index(void)
{
882 883
    CPUState *cpu = ENV_GET_CPU(mon_get_cpu());
    return cpu->cpu_index;
884 885
}

886
static void do_info_registers(Monitor *mon, const QDict *qdict)
887
{
888
    CPUArchState *env;
B
bellard 已提交
889
    env = mon_get_cpu();
890
    cpu_dump_state(env, (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU);
891 892
}

893
static void do_info_jit(Monitor *mon, const QDict *qdict)
B
bellard 已提交
894
{
A
aliguori 已提交
895
    dump_exec_info((FILE *)mon, monitor_fprintf);
B
bellard 已提交
896 897
}

898
static void do_info_history(Monitor *mon, const QDict *qdict)
B
bellard 已提交
899 900
{
    int i;
901
    const char *str;
902

903 904
    if (!mon->rs)
        return;
905 906
    i = 0;
    for(;;) {
907
        str = readline_get_history(mon->rs, i);
908 909
        if (!str)
            break;
A
aliguori 已提交
910
        monitor_printf(mon, "%d: '%s'\n", i, str);
B
bellard 已提交
911
        i++;
B
bellard 已提交
912 913 914
    }
}

915 916
#if defined(TARGET_PPC)
/* XXX: not implemented in other targets */
917
static void do_info_cpu_stats(Monitor *mon, const QDict *qdict)
918
{
919
    CPUArchState *env;
920 921

    env = mon_get_cpu();
A
aliguori 已提交
922
    cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
923 924 925
}
#endif

926
static void do_trace_print_events(Monitor *mon, const QDict *qdict)
927
{
928
    trace_print_events((FILE *)mon, &monitor_fprintf);
929 930
}

931 932
static int client_migrate_info(Monitor *mon, const QDict *qdict,
                               MonitorCompletion cb, void *opaque)
G
Gerd Hoffmann 已提交
933 934 935 936 937 938 939 940 941 942 943 944 945 946
{
    const char *protocol = qdict_get_str(qdict, "protocol");
    const char *hostname = qdict_get_str(qdict, "hostname");
    const char *subject  = qdict_get_try_str(qdict, "cert-subject");
    int port             = qdict_get_try_int(qdict, "port", -1);
    int tls_port         = qdict_get_try_int(qdict, "tls-port", -1);
    int ret;

    if (strcmp(protocol, "spice") == 0) {
        if (!using_spice) {
            qerror_report(QERR_DEVICE_NOT_ACTIVE, "spice");
            return -1;
        }

947 948 949 950 951
        if (port == -1 && tls_port == -1) {
            qerror_report(QERR_MISSING_PARAMETER, "port/tls-port");
            return -1;
        }

952 953
        ret = qemu_spice_migrate_info(hostname, port, tls_port, subject,
                                      cb, opaque);
G
Gerd Hoffmann 已提交
954 955 956 957 958 959 960 961 962 963 964
        if (ret != 0) {
            qerror_report(QERR_UNDEFINED_ERROR);
            return -1;
        }
        return 0;
    }

    qerror_report(QERR_INVALID_PARAMETER, "protocol");
    return -1;
}

965
static void do_logfile(Monitor *mon, const QDict *qdict)
P
pbrook 已提交
966
{
967
    qemu_set_log_filename(qdict_get_str(qdict, "filename"));
P
pbrook 已提交
968 969
}

970
static void do_log(Monitor *mon, const QDict *qdict)
971 972
{
    int mask;
973
    const char *items = qdict_get_str(qdict, "items");
974

975
    if (!strcmp(items, "none")) {
976 977
        mask = 0;
    } else {
978
        mask = qemu_str_to_log_mask(items);
979
        if (!mask) {
A
aliguori 已提交
980
            help_cmd(mon, "log");
981 982 983
            return;
        }
    }
984
    qemu_set_log(mask);
985 986
}

987
static void do_singlestep(Monitor *mon, const QDict *qdict)
988
{
989
    const char *option = qdict_get_try_str(qdict, "option");
990 991 992 993 994 995 996 997 998
    if (!option || !strcmp(option, "on")) {
        singlestep = 1;
    } else if (!strcmp(option, "off")) {
        singlestep = 0;
    } else {
        monitor_printf(mon, "unexpected option %s\n", option);
    }
}

999
static void do_gdbserver(Monitor *mon, const QDict *qdict)
1000
{
1001
    const char *device = qdict_get_try_str(qdict, "device");
1002 1003 1004 1005 1006 1007
    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) {
1008
        monitor_printf(mon, "Disabled gdbserver\n");
1009
    } else {
1010 1011
        monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
                       device);
1012 1013 1014
    }
}

1015
static void do_watchdog_action(Monitor *mon, const QDict *qdict)
R
Richard W.M. Jones 已提交
1016
{
1017
    const char *action = qdict_get_str(qdict, "action");
R
Richard W.M. Jones 已提交
1018 1019 1020 1021 1022
    if (select_watchdog_action(action) == -1) {
        monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
    }
}

A
aliguori 已提交
1023
static void monitor_printc(Monitor *mon, int c)
1024
{
A
aliguori 已提交
1025
    monitor_printf(mon, "'");
1026 1027
    switch(c) {
    case '\'':
A
aliguori 已提交
1028
        monitor_printf(mon, "\\'");
1029 1030
        break;
    case '\\':
A
aliguori 已提交
1031
        monitor_printf(mon, "\\\\");
1032 1033
        break;
    case '\n':
A
aliguori 已提交
1034
        monitor_printf(mon, "\\n");
1035 1036
        break;
    case '\r':
A
aliguori 已提交
1037
        monitor_printf(mon, "\\r");
1038 1039 1040
        break;
    default:
        if (c >= 32 && c <= 126) {
A
aliguori 已提交
1041
            monitor_printf(mon, "%c", c);
1042
        } else {
A
aliguori 已提交
1043
            monitor_printf(mon, "\\x%02x", c);
1044 1045 1046
        }
        break;
    }
A
aliguori 已提交
1047
    monitor_printf(mon, "'");
1048 1049
}

A
aliguori 已提交
1050
static void memory_dump(Monitor *mon, int count, int format, int wsize,
A
Avi Kivity 已提交
1051
                        hwaddr addr, int is_physical)
1052
{
1053
    CPUArchState *env;
1054
    int l, line_size, i, max_digits, len;
1055 1056 1057 1058 1059 1060
    uint8_t buf[16];
    uint64_t v;

    if (format == 'i') {
        int flags;
        flags = 0;
B
bellard 已提交
1061
        env = mon_get_cpu();
1062
#ifdef TARGET_I386
1063
        if (wsize == 2) {
1064
            flags = 1;
1065 1066 1067
        } else if (wsize == 4) {
            flags = 0;
        } else {
B
bellard 已提交
1068
            /* as default we use the current CS size */
1069
            flags = 0;
B
bellard 已提交
1070 1071
            if (env) {
#ifdef TARGET_X86_64
1072
                if ((env->efer & MSR_EFER_LMA) &&
B
bellard 已提交
1073 1074 1075 1076 1077 1078 1079
                    (env->segs[R_CS].flags & DESC_L_MASK))
                    flags = 2;
                else
#endif
                if (!(env->segs[R_CS].flags & DESC_B_MASK))
                    flags = 1;
            }
1080 1081
        }
#endif
A
aliguori 已提交
1082
        monitor_disas(mon, env, addr, count, is_physical, flags);
1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110
        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) {
1111
        if (is_physical)
A
aliguori 已提交
1112
            monitor_printf(mon, TARGET_FMT_plx ":", addr);
1113
        else
A
aliguori 已提交
1114
            monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1115 1116 1117 1118
        l = len;
        if (l > line_size)
            l = line_size;
        if (is_physical) {
1119
            cpu_physical_memory_read(addr, buf, l);
1120
        } else {
B
bellard 已提交
1121
            env = mon_get_cpu();
1122
            if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
A
aliguori 已提交
1123
                monitor_printf(mon, " Cannot access memory\n");
1124 1125
                break;
            }
1126
        }
1127
        i = 0;
1128 1129 1130 1131 1132 1133 1134 1135 1136 1137
        while (i < l) {
            switch(wsize) {
            default:
            case 1:
                v = ldub_raw(buf + i);
                break;
            case 2:
                v = lduw_raw(buf + i);
                break;
            case 4:
B
bellard 已提交
1138
                v = (uint32_t)ldl_raw(buf + i);
1139 1140 1141 1142 1143
                break;
            case 8:
                v = ldq_raw(buf + i);
                break;
            }
A
aliguori 已提交
1144
            monitor_printf(mon, " ");
1145 1146
            switch(format) {
            case 'o':
A
aliguori 已提交
1147
                monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1148 1149
                break;
            case 'x':
A
aliguori 已提交
1150
                monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1151 1152
                break;
            case 'u':
A
aliguori 已提交
1153
                monitor_printf(mon, "%*" PRIu64, max_digits, v);
1154 1155
                break;
            case 'd':
A
aliguori 已提交
1156
                monitor_printf(mon, "%*" PRId64, max_digits, v);
1157 1158
                break;
            case 'c':
A
aliguori 已提交
1159
                monitor_printc(mon, v);
1160 1161 1162 1163
                break;
            }
            i += wsize;
        }
A
aliguori 已提交
1164
        monitor_printf(mon, "\n");
1165 1166 1167 1168 1169
        addr += l;
        len -= l;
    }
}

1170
static void do_memory_dump(Monitor *mon, const QDict *qdict)
1171
{
1172 1173 1174 1175 1176
    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");

A
aliguori 已提交
1177
    memory_dump(mon, count, format, size, addr, 0);
1178 1179
}

1180
static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
1181
{
1182 1183 1184
    int count = qdict_get_int(qdict, "count");
    int format = qdict_get_int(qdict, "format");
    int size = qdict_get_int(qdict, "size");
A
Avi Kivity 已提交
1185
    hwaddr addr = qdict_get_int(qdict, "addr");
1186

A
aliguori 已提交
1187
    memory_dump(mon, count, format, size, addr, 1);
1188 1189
}

1190
static void do_print(Monitor *mon, const QDict *qdict)
1191
{
1192
    int format = qdict_get_int(qdict, "format");
A
Avi Kivity 已提交
1193
    hwaddr val = qdict_get_int(qdict, "val");
1194

1195 1196
    switch(format) {
    case 'o':
A
Avi Kivity 已提交
1197
        monitor_printf(mon, "%#" HWADDR_PRIo, val);
1198 1199
        break;
    case 'x':
A
Avi Kivity 已提交
1200
        monitor_printf(mon, "%#" HWADDR_PRIx, val);
1201 1202
        break;
    case 'u':
A
Avi Kivity 已提交
1203
        monitor_printf(mon, "%" HWADDR_PRIu, val);
1204 1205 1206
        break;
    default:
    case 'd':
A
Avi Kivity 已提交
1207
        monitor_printf(mon, "%" HWADDR_PRId, val);
1208 1209
        break;
    case 'c':
A
aliguori 已提交
1210
        monitor_printc(mon, val);
1211 1212
        break;
    }
A
aliguori 已提交
1213
    monitor_printf(mon, "\n");
1214 1215
}

1216
static void do_sum(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1217 1218 1219
{
    uint32_t addr;
    uint16_t sum;
1220 1221
    uint32_t start = qdict_get_int(qdict, "start");
    uint32_t size = qdict_get_int(qdict, "size");
B
bellard 已提交
1222 1223 1224

    sum = 0;
    for(addr = start; addr < (start + size); addr++) {
1225
        uint8_t val = ldub_phys(addr);
B
bellard 已提交
1226 1227
        /* BSD sum algorithm ('sum' Unix command) */
        sum = (sum >> 1) | (sum << 15);
1228
        sum += val;
B
bellard 已提交
1229
    }
A
aliguori 已提交
1230
    monitor_printf(mon, "%05d\n", sum);
B
bellard 已提交
1231 1232
}

B
bellard 已提交
1233 1234
static int mouse_button_state;

1235
static void do_mouse_move(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1236 1237
{
    int dx, dy, dz;
1238 1239 1240
    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");
B
bellard 已提交
1241 1242 1243
    dx = strtol(dx_str, NULL, 0);
    dy = strtol(dy_str, NULL, 0);
    dz = 0;
1244
    if (dz_str)
B
bellard 已提交
1245 1246 1247 1248
        dz = strtol(dz_str, NULL, 0);
    kbd_mouse_event(dx, dy, dz, mouse_button_state);
}

1249
static void do_mouse_button(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1250
{
1251
    int button_state = qdict_get_int(qdict, "button_state");
B
bellard 已提交
1252 1253 1254 1255
    mouse_button_state = button_state;
    kbd_mouse_event(0, 0, 0, mouse_button_state);
}

1256
static void do_ioport_read(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1257
{
1258 1259 1260
    int size = qdict_get_int(qdict, "size");
    int addr = qdict_get_int(qdict, "addr");
    int has_index = qdict_haskey(qdict, "index");
B
bellard 已提交
1261 1262 1263 1264
    uint32_t val;
    int suffix;

    if (has_index) {
1265
        int index = qdict_get_int(qdict, "index");
1266
        cpu_outb(addr & IOPORTS_MASK, index & 0xff);
B
bellard 已提交
1267 1268 1269 1270 1271 1272 1273
        addr++;
    }
    addr &= 0xffff;

    switch(size) {
    default:
    case 1:
1274
        val = cpu_inb(addr);
B
bellard 已提交
1275 1276 1277
        suffix = 'b';
        break;
    case 2:
1278
        val = cpu_inw(addr);
B
bellard 已提交
1279 1280 1281
        suffix = 'w';
        break;
    case 4:
1282
        val = cpu_inl(addr);
B
bellard 已提交
1283 1284 1285
        suffix = 'l';
        break;
    }
A
aliguori 已提交
1286 1287
    monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
                   suffix, addr, size * 2, val);
B
bellard 已提交
1288
}
B
bellard 已提交
1289

1290
static void do_ioport_write(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
1291
{
1292 1293 1294 1295
    int size = qdict_get_int(qdict, "size");
    int addr = qdict_get_int(qdict, "addr");
    int val = qdict_get_int(qdict, "val");

J
Jan Kiszka 已提交
1296 1297 1298 1299 1300
    addr &= IOPORTS_MASK;

    switch (size) {
    default:
    case 1:
1301
        cpu_outb(addr, val);
J
Jan Kiszka 已提交
1302 1303
        break;
    case 2:
1304
        cpu_outw(addr, val);
J
Jan Kiszka 已提交
1305 1306
        break;
    case 4:
1307
        cpu_outl(addr, val);
J
Jan Kiszka 已提交
1308 1309 1310 1311
        break;
    }
}

1312
static void do_boot_set(Monitor *mon, const QDict *qdict)
1313 1314
{
    int res;
1315
    const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1316

J
Jan Kiszka 已提交
1317 1318 1319 1320 1321
    res = qemu_boot_set(bootdevice);
    if (res == 0) {
        monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
    } else if (res > 0) {
        monitor_printf(mon, "setting boot device list failed\n");
1322
    } else {
A
aliguori 已提交
1323 1324
        monitor_printf(mon, "no function defined to set boot device list for "
                       "this architecture\n");
1325 1326 1327
    }
}

B
bellard 已提交
1328
#if defined(TARGET_I386)
A
Avi Kivity 已提交
1329 1330 1331
static void print_pte(Monitor *mon, hwaddr addr,
                      hwaddr pte,
                      hwaddr mask)
B
bellard 已提交
1332
{
1333 1334 1335 1336 1337 1338 1339
#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",
A
aliguori 已提交
1340 1341
                   addr,
                   pte & mask,
1342
                   pte & PG_NX_MASK ? 'X' : '-',
A
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1343 1344 1345 1346 1347 1348 1349 1350
                   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' : '-');
B
bellard 已提交
1351 1352
}

1353
static void tlb_info_32(Monitor *mon, CPUArchState *env)
B
bellard 已提交
1354
{
1355
    unsigned int l1, l2;
B
bellard 已提交
1356 1357 1358 1359
    uint32_t pgd, pde, pte;

    pgd = env->cr[3] & ~0xfff;
    for(l1 = 0; l1 < 1024; l1++) {
1360
        cpu_physical_memory_read(pgd + l1 * 4, &pde, 4);
B
bellard 已提交
1361 1362 1363
        pde = le32_to_cpu(pde);
        if (pde & PG_PRESENT_MASK) {
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1364 1365
                /* 4M pages */
                print_pte(mon, (l1 << 22), pde, ~((1 << 21) - 1));
B
bellard 已提交
1366 1367
            } else {
                for(l2 = 0; l2 < 1024; l2++) {
1368
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4, &pte, 4);
B
bellard 已提交
1369 1370
                    pte = le32_to_cpu(pte);
                    if (pte & PG_PRESENT_MASK) {
A
aliguori 已提交
1371
                        print_pte(mon, (l1 << 22) + (l2 << 12),
1372
                                  pte & ~PG_PSE_MASK,
B
bellard 已提交
1373 1374 1375 1376 1377 1378 1379 1380
                                  ~0xfff);
                    }
                }
            }
        }
    }
}

1381
static void tlb_info_pae32(Monitor *mon, CPUArchState *env)
1382
{
1383
    unsigned int l1, l2, l3;
1384 1385 1386 1387 1388
    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++) {
1389
        cpu_physical_memory_read(pdp_addr + l1 * 8, &pdpe, 8);
1390 1391 1392 1393
        pdpe = le64_to_cpu(pdpe);
        if (pdpe & PG_PRESENT_MASK) {
            pd_addr = pdpe & 0x3fffffffff000ULL;
            for (l2 = 0; l2 < 512; l2++) {
1394
                cpu_physical_memory_read(pd_addr + l2 * 8, &pde, 8);
1395 1396 1397 1398 1399
                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,
A
Avi Kivity 已提交
1400
                                  ~((hwaddr)(1 << 20) - 1));
1401 1402 1403
                    } else {
                        pt_addr = pde & 0x3fffffffff000ULL;
                        for (l3 = 0; l3 < 512; l3++) {
1404
                            cpu_physical_memory_read(pt_addr + l3 * 8, &pte, 8);
1405 1406 1407 1408 1409
                            pte = le64_to_cpu(pte);
                            if (pte & PG_PRESENT_MASK) {
                                print_pte(mon, (l1 << 30 ) + (l2 << 21)
                                          + (l3 << 12),
                                          pte & ~PG_PSE_MASK,
A
Avi Kivity 已提交
1410
                                          ~(hwaddr)0xfff);
1411 1412 1413 1414 1415 1416 1417 1418 1419 1420
                            }
                        }
                    }
                }
            }
        }
    }
}

#ifdef TARGET_X86_64
1421
static void tlb_info_64(Monitor *mon, CPUArchState *env)
1422 1423 1424 1425 1426 1427 1428
{
    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++) {
1429
        cpu_physical_memory_read(pml4_addr + l1 * 8, &pml4e, 8);
1430 1431 1432 1433
        pml4e = le64_to_cpu(pml4e);
        if (pml4e & PG_PRESENT_MASK) {
            pdp_addr = pml4e & 0x3fffffffff000ULL;
            for (l2 = 0; l2 < 512; l2++) {
1434
                cpu_physical_memory_read(pdp_addr + l2 * 8, &pdpe, 8);
1435 1436 1437 1438 1439 1440 1441 1442 1443
                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++) {
1444
                            cpu_physical_memory_read(pd_addr + l3 * 8, &pde, 8);
1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456
                            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,
1457
                                                                 &pte, 8);
1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477
                                        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

1478
static void tlb_info(Monitor *mon, const QDict *qdict)
1479
{
1480
    CPUArchState *env;
1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501

    env = mon_get_cpu();

    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);
    }
}

A
Avi Kivity 已提交
1502
static void mem_print(Monitor *mon, hwaddr *pstart,
1503
                      int *plast_prot,
A
Avi Kivity 已提交
1504
                      hwaddr end, int prot)
B
bellard 已提交
1505
{
B
bellard 已提交
1506 1507 1508
    int prot1;
    prot1 = *plast_prot;
    if (prot != prot1) {
B
bellard 已提交
1509
        if (*pstart != -1) {
1510 1511
            monitor_printf(mon, TARGET_FMT_plx "-" TARGET_FMT_plx " "
                           TARGET_FMT_plx " %c%c%c\n",
A
aliguori 已提交
1512 1513 1514 1515
                           *pstart, end, end - *pstart,
                           prot1 & PG_USER_MASK ? 'u' : '-',
                           'r',
                           prot1 & PG_RW_MASK ? 'w' : '-');
B
bellard 已提交
1516 1517 1518 1519 1520 1521 1522 1523 1524
        }
        if (prot != 0)
            *pstart = end;
        else
            *pstart = -1;
        *plast_prot = prot;
    }
}

1525
static void mem_info_32(Monitor *mon, CPUArchState *env)
B
bellard 已提交
1526
{
1527 1528
    unsigned int l1, l2;
    int prot, last_prot;
1529
    uint32_t pgd, pde, pte;
A
Avi Kivity 已提交
1530
    hwaddr start, end;
B
bellard 已提交
1531

B
bellard 已提交
1532 1533 1534 1535
    pgd = env->cr[3] & ~0xfff;
    last_prot = 0;
    start = -1;
    for(l1 = 0; l1 < 1024; l1++) {
1536
        cpu_physical_memory_read(pgd + l1 * 4, &pde, 4);
B
bellard 已提交
1537 1538 1539 1540 1541
        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);
A
aliguori 已提交
1542
                mem_print(mon, &start, &last_prot, end, prot);
B
bellard 已提交
1543 1544
            } else {
                for(l2 = 0; l2 < 1024; l2++) {
1545
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4, &pte, 4);
B
bellard 已提交
1546 1547 1548
                    pte = le32_to_cpu(pte);
                    end = (l1 << 22) + (l2 << 12);
                    if (pte & PG_PRESENT_MASK) {
1549 1550
                        prot = pte & pde &
                            (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
B
bellard 已提交
1551 1552 1553
                    } else {
                        prot = 0;
                    }
A
aliguori 已提交
1554
                    mem_print(mon, &start, &last_prot, end, prot);
B
bellard 已提交
1555 1556 1557 1558
                }
            }
        } else {
            prot = 0;
A
aliguori 已提交
1559
            mem_print(mon, &start, &last_prot, end, prot);
B
bellard 已提交
1560 1561
        }
    }
1562
    /* Flush last range */
A
Avi Kivity 已提交
1563
    mem_print(mon, &start, &last_prot, (hwaddr)1 << 32, 0);
B
bellard 已提交
1564
}
1565

1566
static void mem_info_pae32(Monitor *mon, CPUArchState *env)
1567
{
1568 1569
    unsigned int l1, l2, l3;
    int prot, last_prot;
1570 1571
    uint64_t pdpe, pde, pte;
    uint64_t pdp_addr, pd_addr, pt_addr;
A
Avi Kivity 已提交
1572
    hwaddr start, end;
1573 1574 1575 1576 1577

    pdp_addr = env->cr[3] & ~0x1f;
    last_prot = 0;
    start = -1;
    for (l1 = 0; l1 < 4; l1++) {
1578
        cpu_physical_memory_read(pdp_addr + l1 * 8, &pdpe, 8);
1579 1580 1581 1582 1583
        pdpe = le64_to_cpu(pdpe);
        end = l1 << 30;
        if (pdpe & PG_PRESENT_MASK) {
            pd_addr = pdpe & 0x3fffffffff000ULL;
            for (l2 = 0; l2 < 512; l2++) {
1584
                cpu_physical_memory_read(pd_addr + l2 * 8, &pde, 8);
1585 1586 1587 1588 1589 1590 1591 1592 1593 1594
                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++) {
1595
                            cpu_physical_memory_read(pt_addr + l3 * 8, &pte, 8);
1596 1597 1598
                            pte = le64_to_cpu(pte);
                            end = (l1 << 30) + (l2 << 21) + (l3 << 12);
                            if (pte & PG_PRESENT_MASK) {
1599 1600
                                prot = pte & pde & (PG_USER_MASK | PG_RW_MASK |
                                                    PG_PRESENT_MASK);
1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616
                            } 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);
        }
    }
1617
    /* Flush last range */
A
Avi Kivity 已提交
1618
    mem_print(mon, &start, &last_prot, (hwaddr)1 << 32, 0);
1619 1620 1621 1622
}


#ifdef TARGET_X86_64
1623
static void mem_info_64(Monitor *mon, CPUArchState *env)
1624 1625 1626 1627 1628 1629 1630 1631 1632 1633
{
    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++) {
1634
        cpu_physical_memory_read(pml4_addr + l1 * 8, &pml4e, 8);
1635 1636 1637 1638 1639
        pml4e = le64_to_cpu(pml4e);
        end = l1 << 39;
        if (pml4e & PG_PRESENT_MASK) {
            pdp_addr = pml4e & 0x3fffffffff000ULL;
            for (l2 = 0; l2 < 512; l2++) {
1640
                cpu_physical_memory_read(pdp_addr + l2 * 8, &pdpe, 8);
1641 1642 1643 1644
                pdpe = le64_to_cpu(pdpe);
                end = (l1 << 39) + (l2 << 30);
                if (pdpe & PG_PRESENT_MASK) {
                    if (pdpe & PG_PSE_MASK) {
B
Blue Swirl 已提交
1645 1646
                        prot = pdpe & (PG_USER_MASK | PG_RW_MASK |
                                       PG_PRESENT_MASK);
1647
                        prot &= pml4e;
1648 1649 1650 1651
                        mem_print(mon, &start, &last_prot, end, prot);
                    } else {
                        pd_addr = pdpe & 0x3fffffffff000ULL;
                        for (l3 = 0; l3 < 512; l3++) {
1652
                            cpu_physical_memory_read(pd_addr + l3 * 8, &pde, 8);
1653 1654 1655 1656 1657 1658
                            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);
1659
                                    prot &= pml4e & pdpe;
1660 1661 1662 1663 1664 1665
                                    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,
1666
                                                                 &pte, 8);
1667 1668 1669 1670 1671 1672
                                        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);
1673
                                            prot &= pml4e & pdpe & pde;
1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695
                                        } 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);
        }
    }
1696
    /* Flush last range */
A
Avi Kivity 已提交
1697
    mem_print(mon, &start, &last_prot, (hwaddr)1 << 48, 0);
1698 1699 1700
}
#endif

1701
static void mem_info(Monitor *mon, const QDict *qdict)
1702
{
1703
    CPUArchState *env;
1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723

    env = mon_get_cpu();

    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);
    }
}
B
bellard 已提交
1724 1725
#endif

A
aurel32 已提交
1726 1727
#if defined(TARGET_SH4)

A
aliguori 已提交
1728
static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
A
aurel32 已提交
1729
{
A
aliguori 已提交
1730 1731 1732 1733 1734 1735 1736 1737
    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);
A
aurel32 已提交
1738 1739
}

1740
static void tlb_info(Monitor *mon, const QDict *qdict)
A
aurel32 已提交
1741
{
1742
    CPUArchState *env = mon_get_cpu();
A
aurel32 已提交
1743 1744
    int i;

A
aliguori 已提交
1745
    monitor_printf (mon, "ITLB:\n");
A
aurel32 已提交
1746
    for (i = 0 ; i < ITLB_SIZE ; i++)
A
aliguori 已提交
1747 1748
        print_tlb (mon, i, &env->itlb[i]);
    monitor_printf (mon, "UTLB:\n");
A
aurel32 已提交
1749
    for (i = 0 ; i < UTLB_SIZE ; i++)
A
aliguori 已提交
1750
        print_tlb (mon, i, &env->utlb[i]);
A
aurel32 已提交
1751 1752 1753 1754
}

#endif

1755
#if defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_XTENSA)
1756
static void tlb_info(Monitor *mon, const QDict *qdict)
1757
{
1758
    CPUArchState *env1 = mon_get_cpu();
1759 1760 1761 1762 1763

    dump_mmu((FILE*)mon, (fprintf_function)monitor_printf, env1);
}
#endif

1764
static void do_info_mtree(Monitor *mon, const QDict *qdict)
B
Blue Swirl 已提交
1765 1766 1767 1768
{
    mtree_info((fprintf_function)monitor_printf, mon);
}

1769
static void do_info_numa(Monitor *mon, const QDict *qdict)
1770
{
1771
    int i;
1772
    CPUArchState *env;
1773
    CPUState *cpu;
1774 1775 1776 1777 1778

    monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
    for (i = 0; i < nb_numa_nodes; i++) {
        monitor_printf(mon, "node %d cpus:", i);
        for (env = first_cpu; env != NULL; env = env->next_cpu) {
1779 1780
            cpu = ENV_GET_CPU(env);
            if (cpu->numa_node == i) {
1781
                monitor_printf(mon, " %d", cpu->cpu_index);
1782 1783 1784 1785 1786 1787 1788 1789
            }
        }
        monitor_printf(mon, "\n");
        monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
            node_mem[i] >> 20);
    }
}

B
bellard 已提交
1790 1791
#ifdef CONFIG_PROFILER

A
Aurelien Jarno 已提交
1792 1793 1794
int64_t qemu_time;
int64_t dev_time;

1795
static void do_info_profile(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1796 1797 1798 1799 1800
{
    int64_t total;
    total = qemu_time;
    if (total == 0)
        total = 1;
A
aliguori 已提交
1801
    monitor_printf(mon, "async time  %" PRId64 " (%0.3f)\n",
1802
                   dev_time, dev_time / (double)get_ticks_per_sec());
A
aliguori 已提交
1803
    monitor_printf(mon, "qemu time   %" PRId64 " (%0.3f)\n",
1804
                   qemu_time, qemu_time / (double)get_ticks_per_sec());
B
bellard 已提交
1805 1806 1807 1808
    qemu_time = 0;
    dev_time = 0;
}
#else
1809
static void do_info_profile(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1810
{
A
aliguori 已提交
1811
    monitor_printf(mon, "Internal profiler not compiled\n");
B
bellard 已提交
1812 1813 1814
}
#endif

B
bellard 已提交
1815
/* Capture support */
B
Blue Swirl 已提交
1816
static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
B
bellard 已提交
1817

1818
static void do_info_capture(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1819 1820 1821 1822 1823
{
    int i;
    CaptureState *s;

    for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
A
aliguori 已提交
1824
        monitor_printf(mon, "[%d]: ", i);
B
bellard 已提交
1825 1826 1827 1828
        s->ops.info (s->opaque);
    }
}

1829
#ifdef HAS_AUDIO
1830
static void do_stop_capture(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1831 1832
{
    int i;
1833
    int n = qdict_get_int(qdict, "n");
B
bellard 已提交
1834 1835 1836 1837 1838
    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);
B
Blue Swirl 已提交
1839
            QLIST_REMOVE (s, entries);
1840
            g_free (s);
B
bellard 已提交
1841 1842 1843 1844 1845
            return;
        }
    }
}

1846 1847 1848 1849 1850 1851 1852 1853 1854
static void do_wav_capture(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);
B
bellard 已提交
1855 1856
    CaptureState *s;

1857
    s = g_malloc0 (sizeof (*s));
B
bellard 已提交
1858 1859 1860 1861 1862 1863

    freq = has_freq ? freq : 44100;
    bits = has_bits ? bits : 16;
    nchannels = has_channels ? nchannels : 2;

    if (wav_start_capture (s, path, freq, bits, nchannels)) {
1864
        monitor_printf(mon, "Failed to add wave capture\n");
1865
        g_free (s);
1866
        return;
B
bellard 已提交
1867
    }
B
Blue Swirl 已提交
1868
    QLIST_INSERT_HEAD (&capture_head, s, entries);
B
bellard 已提交
1869 1870 1871
}
#endif

J
Jan Kiszka 已提交
1872
static qemu_acl *find_acl(Monitor *mon, const char *name)
1873
{
J
Jan Kiszka 已提交
1874
    qemu_acl *acl = qemu_acl_find(name);
1875 1876

    if (!acl) {
J
Jan Kiszka 已提交
1877
        monitor_printf(mon, "acl: unknown list '%s'\n", name);
1878
    }
J
Jan Kiszka 已提交
1879 1880 1881
    return acl;
}

1882
static void do_acl_show(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
1883
{
1884
    const char *aclname = qdict_get_str(qdict, "aclname");
J
Jan Kiszka 已提交
1885 1886 1887
    qemu_acl *acl = find_acl(mon, aclname);
    qemu_acl_entry *entry;
    int i = 0;
1888

J
Jan Kiszka 已提交
1889
    if (acl) {
1890
        monitor_printf(mon, "policy: %s\n",
1891
                       acl->defaultDeny ? "deny" : "allow");
B
Blue Swirl 已提交
1892
        QTAILQ_FOREACH(entry, &acl->entries, next) {
1893 1894
            i++;
            monitor_printf(mon, "%d: %s %s\n", i,
J
Jan Kiszka 已提交
1895
                           entry->deny ? "deny" : "allow", entry->match);
1896
        }
J
Jan Kiszka 已提交
1897 1898 1899
    }
}

1900
static void do_acl_reset(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
1901
{
1902
    const char *aclname = qdict_get_str(qdict, "aclname");
J
Jan Kiszka 已提交
1903 1904 1905
    qemu_acl *acl = find_acl(mon, aclname);

    if (acl) {
1906 1907
        qemu_acl_reset(acl);
        monitor_printf(mon, "acl: removed all rules\n");
J
Jan Kiszka 已提交
1908 1909 1910
    }
}

1911
static void do_acl_policy(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
1912
{
1913 1914
    const char *aclname = qdict_get_str(qdict, "aclname");
    const char *policy = qdict_get_str(qdict, "policy");
J
Jan Kiszka 已提交
1915
    qemu_acl *acl = find_acl(mon, aclname);
1916

J
Jan Kiszka 已提交
1917 1918
    if (acl) {
        if (strcmp(policy, "allow") == 0) {
1919 1920
            acl->defaultDeny = 0;
            monitor_printf(mon, "acl: policy set to 'allow'\n");
J
Jan Kiszka 已提交
1921
        } else if (strcmp(policy, "deny") == 0) {
1922 1923 1924
            acl->defaultDeny = 1;
            monitor_printf(mon, "acl: policy set to 'deny'\n");
        } else {
J
Jan Kiszka 已提交
1925 1926
            monitor_printf(mon, "acl: unknown policy '%s', "
                           "expected 'deny' or 'allow'\n", policy);
1927
        }
J
Jan Kiszka 已提交
1928 1929
    }
}
1930

1931
static void do_acl_add(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
1932
{
1933 1934 1935 1936 1937
    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);
J
Jan Kiszka 已提交
1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948
    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);
1949 1950 1951 1952 1953 1954 1955 1956 1957 1958
            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);
J
Jan Kiszka 已提交
1959 1960
    }
}
1961

1962
static void do_acl_remove(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
1963
{
1964 1965
    const char *aclname = qdict_get_str(qdict, "aclname");
    const char *match = qdict_get_str(qdict, "match");
J
Jan Kiszka 已提交
1966 1967
    qemu_acl *acl = find_acl(mon, aclname);
    int ret;
1968

J
Jan Kiszka 已提交
1969
    if (acl) {
1970 1971 1972 1973 1974
        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);
1975 1976 1977
    }
}

1978
#if defined(TARGET_I386)
1979
static void do_inject_mce(Monitor *mon, const QDict *qdict)
1980
{
1981 1982
    X86CPU *cpu;
    CPUX86State *cenv;
1983
    CPUState *cs;
1984 1985 1986 1987 1988 1989
    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");
1990
    int flags = MCE_INJECT_UNCOND_AO;
1991

1992 1993 1994
    if (qdict_get_try_bool(qdict, "broadcast", 0)) {
        flags |= MCE_INJECT_BROADCAST;
    }
1995
    for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu) {
1996
        cpu = x86_env_get_cpu(cenv);
1997 1998
        cs = CPU(cpu);
        if (cs->cpu_index == cpu_index) {
1999
            cpu_x86_inject_mce(mon, cpu, bank, status, mcg_status, addr, misc,
2000
                               flags);
2001 2002
            break;
        }
2003
    }
2004 2005 2006
}
#endif

C
Corey Bryant 已提交
2007
void qmp_getfd(const char *fdname, Error **errp)
2008
{
A
Anthony Liguori 已提交
2009
    mon_fd_t *monfd;
2010 2011
    int fd;

C
Corey Bryant 已提交
2012
    fd = qemu_chr_fe_get_msgfd(cur_mon->chr);
2013
    if (fd == -1) {
C
Corey Bryant 已提交
2014 2015
        error_set(errp, QERR_FD_NOT_SUPPLIED);
        return;
2016 2017 2018
    }

    if (qemu_isdigit(fdname[0])) {
C
Corey Bryant 已提交
2019 2020 2021
        error_set(errp, QERR_INVALID_PARAMETER_VALUE, "fdname",
                  "a name not starting with a digit");
        return;
2022 2023
    }

C
Corey Bryant 已提交
2024
    QLIST_FOREACH(monfd, &cur_mon->fds, next) {
2025 2026 2027 2028 2029 2030
        if (strcmp(monfd->name, fdname) != 0) {
            continue;
        }

        close(monfd->fd);
        monfd->fd = fd;
C
Corey Bryant 已提交
2031
        return;
2032 2033
    }

2034 2035
    monfd = g_malloc0(sizeof(mon_fd_t));
    monfd->name = g_strdup(fdname);
2036 2037
    monfd->fd = fd;

C
Corey Bryant 已提交
2038
    QLIST_INSERT_HEAD(&cur_mon->fds, monfd, next);
2039 2040
}

C
Corey Bryant 已提交
2041
void qmp_closefd(const char *fdname, Error **errp)
2042
{
A
Anthony Liguori 已提交
2043
    mon_fd_t *monfd;
2044

C
Corey Bryant 已提交
2045
    QLIST_FOREACH(monfd, &cur_mon->fds, next) {
2046 2047 2048 2049
        if (strcmp(monfd->name, fdname) != 0) {
            continue;
        }

B
Blue Swirl 已提交
2050
        QLIST_REMOVE(monfd, next);
2051
        close(monfd->fd);
2052 2053
        g_free(monfd->name);
        g_free(monfd);
C
Corey Bryant 已提交
2054
        return;
2055 2056
    }

C
Corey Bryant 已提交
2057
    error_set(errp, QERR_FD_NOT_FOUND, fdname);
2058 2059
}

2060
static void do_loadvm(Monitor *mon, const QDict *qdict)
J
Juan Quintela 已提交
2061
{
2062
    int saved_vm_running  = runstate_is_running();
2063
    const char *name = qdict_get_str(qdict, "name");
J
Juan Quintela 已提交
2064

2065
    vm_stop(RUN_STATE_RESTORE_VM);
J
Juan Quintela 已提交
2066

2067
    if (load_vmstate(name) == 0 && saved_vm_running) {
J
Juan Quintela 已提交
2068
        vm_start();
2069
    }
J
Juan Quintela 已提交
2070 2071
}

2072
int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp)
2073
{
A
Anthony Liguori 已提交
2074
    mon_fd_t *monfd;
2075

B
Blue Swirl 已提交
2076
    QLIST_FOREACH(monfd, &mon->fds, next) {
2077 2078 2079 2080 2081 2082 2083 2084 2085
        int fd;

        if (strcmp(monfd->name, fdname) != 0) {
            continue;
        }

        fd = monfd->fd;

        /* caller takes ownership of fd */
B
Blue Swirl 已提交
2086
        QLIST_REMOVE(monfd, next);
2087 2088
        g_free(monfd->name);
        g_free(monfd);
2089 2090 2091 2092

        return fd;
    }

2093
    error_setg(errp, "File descriptor named '%s' has not been found", fdname);
2094 2095 2096
    return -1;
}

2097 2098 2099 2100 2101 2102
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) {
2103 2104 2105
        if ((mon_fdset_fd->removed ||
                (QLIST_EMPTY(&mon_fdset->dup_fds) && mon_refcount == 0)) &&
                runstate_is_running()) {
2106 2107 2108 2109 2110 2111 2112
            close(mon_fdset_fd->fd);
            g_free(mon_fdset_fd->opaque);
            QLIST_REMOVE(mon_fdset_fd, next);
            g_free(mon_fdset_fd);
        }
    }

2113
    if (QLIST_EMPTY(&mon_fdset->fds) && QLIST_EMPTY(&mon_fdset->dup_fds)) {
2114 2115 2116 2117 2118
        QLIST_REMOVE(mon_fdset, next);
        g_free(mon_fdset);
    }
}

2119 2120 2121 2122 2123 2124 2125 2126 2127 2128
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);
    }
}

2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141
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_set(errp, QERR_FD_NOT_SUPPLIED);
        goto error;
    }

2142 2143 2144 2145
    fdinfo = monitor_fdset_add_fd(fd, has_fdset_id, fdset_id,
                                  has_opaque, opaque, errp);
    if (fdinfo) {
        return fdinfo;
2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231
    }

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_set(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;
}

2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312
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_set(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;
}

2313 2314
int monitor_fdset_get_fd(int64_t fdset_id, int flags)
{
2315
#ifndef _WIN32
2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333 2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389 2390 2391 2392 2393 2394 2395
    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 mon_fdset->id;
            }
        }
    }
    return -1;
}

int monitor_fdset_dup_fd_find(int dup_fd)
{
    return monitor_fdset_dup_fd_find_remove(dup_fd, false);
}

int monitor_fdset_dup_fd_remove(int dup_fd)
{
    return monitor_fdset_dup_fd_find_remove(dup_fd, true);
}

2396 2397 2398
int monitor_handle_fd_param(Monitor *mon, const char *fdname)
{
    int fd;
2399
    Error *local_err = NULL;
2400 2401 2402

    if (!qemu_isdigit(fdname[0]) && mon) {

2403
        fd = monitor_get_fd(mon, fdname, &local_err);
2404
        if (fd == -1) {
2405 2406
            qerror_report_err(local_err);
            error_free(local_err);
2407 2408 2409 2410 2411 2412 2413 2414 2415
            return -1;
        }
    } else {
        fd = qemu_parse_fd(fdname);
    }

    return fd;
}

2416
/* Please update hmp-commands.hx when adding or changing commands */
2417
static mon_cmd_t info_cmds[] = {
2418 2419 2420 2421 2422
    {
        .name       = "version",
        .args_type  = "",
        .params     = "",
        .help       = "show the version of QEMU",
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        .mhandler.cmd = hmp_info_version,
2424 2425 2426 2427 2428 2429
    },
    {
        .name       = "network",
        .args_type  = "",
        .params     = "",
        .help       = "show the network state",
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        .mhandler.cmd = do_info_network,
2431 2432 2433 2434 2435 2436
    },
    {
        .name       = "chardev",
        .args_type  = "",
        .params     = "",
        .help       = "show the character devices",
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        .mhandler.cmd = hmp_info_chardev,
2438 2439 2440 2441 2442 2443
    },
    {
        .name       = "block",
        .args_type  = "",
        .params     = "",
        .help       = "show the block devices",
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        .mhandler.cmd = hmp_info_block,
2445 2446 2447 2448 2449 2450
    },
    {
        .name       = "blockstats",
        .args_type  = "",
        .params     = "",
        .help       = "show block device statistics",
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        .mhandler.cmd = hmp_info_blockstats,
2452
    },
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    {
        .name       = "block-jobs",
        .args_type  = "",
        .params     = "",
        .help       = "show progress of ongoing block device operations",
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2458
        .mhandler.cmd = hmp_info_block_jobs,
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Stefan Hajnoczi 已提交
2459
    },
2460 2461 2462 2463 2464
    {
        .name       = "registers",
        .args_type  = "",
        .params     = "",
        .help       = "show the cpu registers",
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        .mhandler.cmd = do_info_registers,
2466 2467 2468 2469 2470 2471
    },
    {
        .name       = "cpus",
        .args_type  = "",
        .params     = "",
        .help       = "show infos for each CPU",
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        .mhandler.cmd = hmp_info_cpus,
2473 2474 2475 2476 2477 2478
    },
    {
        .name       = "history",
        .args_type  = "",
        .params     = "",
        .help       = "show the command line history",
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        .mhandler.cmd = do_info_history,
2480
    },
2481 2482
#if defined(TARGET_I386) || defined(TARGET_PPC) || defined(TARGET_MIPS) || \
    defined(TARGET_LM32) || (defined(TARGET_SPARC) && !defined(TARGET_SPARC64))
2483 2484 2485 2486 2487
    {
        .name       = "irq",
        .args_type  = "",
        .params     = "",
        .help       = "show the interrupts statistics (if available)",
2488
#ifdef TARGET_SPARC
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        .mhandler.cmd = sun4m_irq_info,
2490
#elif defined(TARGET_LM32)
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        .mhandler.cmd = lm32_irq_info,
2492
#else
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        .mhandler.cmd = irq_info,
2494
#endif
2495 2496 2497 2498 2499 2500
    },
    {
        .name       = "pic",
        .args_type  = "",
        .params     = "",
        .help       = "show i8259 (PIC) state",
2501
#ifdef TARGET_SPARC
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        .mhandler.cmd = sun4m_pic_info,
2503
#elif defined(TARGET_LM32)
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        .mhandler.cmd = lm32_do_pic_info,
2505
#else
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        .mhandler.cmd = pic_info,
2507
#endif
2508
    },
2509
#endif
2510 2511 2512 2513 2514
    {
        .name       = "pci",
        .args_type  = "",
        .params     = "",
        .help       = "show PCI info",
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        .mhandler.cmd = hmp_info_pci,
2516
    },
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#if defined(TARGET_I386) || defined(TARGET_SH4) || defined(TARGET_SPARC) || \
2518
    defined(TARGET_PPC) || defined(TARGET_XTENSA)
2519 2520 2521 2522 2523
    {
        .name       = "tlb",
        .args_type  = "",
        .params     = "",
        .help       = "show virtual to physical memory mappings",
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2524
        .mhandler.cmd = tlb_info,
2525
    },
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2526 2527
#endif
#if defined(TARGET_I386)
2528 2529 2530 2531 2532
    {
        .name       = "mem",
        .args_type  = "",
        .params     = "",
        .help       = "show the active virtual memory mappings",
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        .mhandler.cmd = mem_info,
2534
    },
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#endif
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    {
        .name       = "mtree",
        .args_type  = "",
        .params     = "",
        .help       = "show memory tree",
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        .mhandler.cmd = do_info_mtree,
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    },
2543 2544 2545 2546 2547
    {
        .name       = "jit",
        .args_type  = "",
        .params     = "",
        .help       = "show dynamic compiler info",
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2548
        .mhandler.cmd = do_info_jit,
2549 2550 2551 2552 2553 2554
    },
    {
        .name       = "kvm",
        .args_type  = "",
        .params     = "",
        .help       = "show KVM information",
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        .mhandler.cmd = hmp_info_kvm,
2556 2557 2558 2559 2560 2561
    },
    {
        .name       = "numa",
        .args_type  = "",
        .params     = "",
        .help       = "show NUMA information",
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        .mhandler.cmd = do_info_numa,
2563 2564 2565 2566 2567 2568
    },
    {
        .name       = "usb",
        .args_type  = "",
        .params     = "",
        .help       = "show guest USB devices",
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        .mhandler.cmd = usb_info,
2570 2571 2572 2573 2574 2575
    },
    {
        .name       = "usbhost",
        .args_type  = "",
        .params     = "",
        .help       = "show host USB devices",
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        .mhandler.cmd = usb_host_info,
2577 2578 2579 2580 2581 2582
    },
    {
        .name       = "profile",
        .args_type  = "",
        .params     = "",
        .help       = "show profiling information",
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        .mhandler.cmd = do_info_profile,
2584 2585 2586 2587 2588 2589
    },
    {
        .name       = "capture",
        .args_type  = "",
        .params     = "",
        .help       = "show capture information",
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        .mhandler.cmd = do_info_capture,
2591 2592 2593 2594 2595 2596
    },
    {
        .name       = "snapshots",
        .args_type  = "",
        .params     = "",
        .help       = "show the currently saved VM snapshots",
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        .mhandler.cmd = do_info_snapshots,
2598 2599 2600 2601 2602 2603
    },
    {
        .name       = "status",
        .args_type  = "",
        .params     = "",
        .help       = "show the current VM status (running|paused)",
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2604
        .mhandler.cmd = hmp_info_status,
2605 2606 2607 2608 2609 2610
    },
    {
        .name       = "pcmcia",
        .args_type  = "",
        .params     = "",
        .help       = "show guest PCMCIA status",
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2611
        .mhandler.cmd = pcmcia_info,
2612 2613 2614 2615 2616 2617
    },
    {
        .name       = "mice",
        .args_type  = "",
        .params     = "",
        .help       = "show which guest mouse is receiving events",
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2618
        .mhandler.cmd = hmp_info_mice,
2619 2620 2621 2622 2623 2624
    },
    {
        .name       = "vnc",
        .args_type  = "",
        .params     = "",
        .help       = "show the vnc server status",
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2625
        .mhandler.cmd = hmp_info_vnc,
2626
    },
2627 2628 2629 2630 2631 2632
#if defined(CONFIG_SPICE)
    {
        .name       = "spice",
        .args_type  = "",
        .params     = "",
        .help       = "show the spice server status",
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2633
        .mhandler.cmd = hmp_info_spice,
2634 2635
    },
#endif
2636 2637 2638 2639 2640
    {
        .name       = "name",
        .args_type  = "",
        .params     = "",
        .help       = "show the current VM name",
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        .mhandler.cmd = hmp_info_name,
2642 2643 2644 2645 2646 2647
    },
    {
        .name       = "uuid",
        .args_type  = "",
        .params     = "",
        .help       = "show the current VM UUID",
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        .mhandler.cmd = hmp_info_uuid,
2649
    },
2650
#if defined(TARGET_PPC)
2651 2652 2653 2654 2655
    {
        .name       = "cpustats",
        .args_type  = "",
        .params     = "",
        .help       = "show CPU statistics",
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2656
        .mhandler.cmd = do_info_cpu_stats,
2657
    },
2658
#endif
2659
#if defined(CONFIG_SLIRP)
2660 2661 2662 2663 2664
    {
        .name       = "usernet",
        .args_type  = "",
        .params     = "",
        .help       = "show user network stack connection states",
W
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2665
        .mhandler.cmd = do_info_usernet,
2666
    },
2667
#endif
2668 2669 2670 2671 2672
    {
        .name       = "migrate",
        .args_type  = "",
        .params     = "",
        .help       = "show migration status",
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2673
        .mhandler.cmd = hmp_info_migrate,
2674
    },
O
Orit Wasserman 已提交
2675 2676 2677 2678 2679
    {
        .name       = "migrate_capabilities",
        .args_type  = "",
        .params     = "",
        .help       = "show current migration capabilities",
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2680
        .mhandler.cmd = hmp_info_migrate_capabilities,
O
Orit Wasserman 已提交
2681
    },
2682 2683 2684 2685 2686
    {
        .name       = "migrate_cache_size",
        .args_type  = "",
        .params     = "",
        .help       = "show current migration xbzrle cache size",
W
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2687
        .mhandler.cmd = hmp_info_migrate_cache_size,
2688
    },
2689 2690 2691 2692 2693
    {
        .name       = "balloon",
        .args_type  = "",
        .params     = "",
        .help       = "show balloon information",
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2694
        .mhandler.cmd = hmp_info_balloon,
2695 2696 2697 2698 2699 2700
    },
    {
        .name       = "qtree",
        .args_type  = "",
        .params     = "",
        .help       = "show device tree",
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2701
        .mhandler.cmd = do_info_qtree,
2702 2703 2704 2705 2706 2707
    },
    {
        .name       = "qdm",
        .args_type  = "",
        .params     = "",
        .help       = "show qdev device model list",
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2708
        .mhandler.cmd = do_info_qdm,
2709 2710 2711 2712 2713 2714
    },
    {
        .name       = "roms",
        .args_type  = "",
        .params     = "",
        .help       = "show roms",
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2715
        .mhandler.cmd = do_info_roms,
2716
    },
2717 2718 2719 2720 2721
    {
        .name       = "trace-events",
        .args_type  = "",
        .params     = "",
        .help       = "show available trace-events & their state",
W
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2722
        .mhandler.cmd = do_trace_print_events,
2723
    },
2724 2725 2726
    {
        .name       = NULL,
    },
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2727 2728
};

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2729 2730 2731 2732 2733 2734
/* mon_cmds and info_cmds would be sorted at runtime */
static mon_cmd_t mon_cmds[] = {
#include "hmp-commands.h"
    { NULL, NULL, },
};

2735
static const mon_cmd_t qmp_cmds[] = {
2736
#include "qmp-commands-old.h"
2737 2738 2739
    { /* NULL */ },
};

2740 2741 2742 2743 2744
/*******************************************************************/

static const char *pch;
static jmp_buf expr_env;

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2745 2746 2747
#define MD_TLONG 0
#define MD_I32   1

2748 2749 2750
typedef struct MonitorDef {
    const char *name;
    int offset;
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2751
    target_long (*get_value)(const struct MonitorDef *md, int val);
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2752
    int type;
2753 2754
} MonitorDef;

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2755
#if defined(TARGET_I386)
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2756
static target_long monitor_get_pc (const struct MonitorDef *md, int val)
B
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2757
{
2758
    CPUArchState *env = mon_get_cpu();
B
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2759
    return env->eip + env->segs[R_CS].base;
B
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2760 2761 2762
}
#endif

2763
#if defined(TARGET_PPC)
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2764
static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2765
{
2766
    CPUArchState *env = mon_get_cpu();
2767 2768 2769 2770 2771
    unsigned int u;
    int i;

    u = 0;
    for (i = 0; i < 8; i++)
2772
        u |= env->crf[i] << (32 - (4 * i));
2773 2774 2775 2776

    return u;
}

B
blueswir1 已提交
2777
static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2778
{
2779
    CPUArchState *env = mon_get_cpu();
2780
    return env->msr;
2781 2782
}

B
blueswir1 已提交
2783
static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2784
{
2785
    CPUArchState *env = mon_get_cpu();
A
aurel32 已提交
2786
    return env->xer;
2787
}
2788

B
blueswir1 已提交
2789
static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2790
{
2791
    CPUArchState *env = mon_get_cpu();
B
bellard 已提交
2792
    return cpu_ppc_load_decr(env);
2793 2794
}

B
blueswir1 已提交
2795
static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
2796
{
2797
    CPUArchState *env = mon_get_cpu();
B
bellard 已提交
2798
    return cpu_ppc_load_tbu(env);
2799 2800
}

B
blueswir1 已提交
2801
static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2802
{
2803
    CPUArchState *env = mon_get_cpu();
B
bellard 已提交
2804
    return cpu_ppc_load_tbl(env);
2805
}
2806 2807
#endif

2808
#if defined(TARGET_SPARC)
B
bellard 已提交
2809
#ifndef TARGET_SPARC64
B
blueswir1 已提交
2810
static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2811
{
2812
    CPUArchState *env = mon_get_cpu();
2813 2814

    return cpu_get_psr(env);
2815
}
B
bellard 已提交
2816
#endif
2817

B
blueswir1 已提交
2818
static target_long monitor_get_reg(const struct MonitorDef *md, int val)
2819
{
2820
    CPUArchState *env = mon_get_cpu();
B
bellard 已提交
2821
    return env->regwptr[val];
2822 2823 2824
}
#endif

B
blueswir1 已提交
2825
static const MonitorDef monitor_defs[] = {
2826
#ifdef TARGET_I386
B
bellard 已提交
2827 2828

#define SEG(name, seg) \
2829 2830 2831 2832 2833 2834 2835 2836 2837 2838 2839 2840
    { 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]) },
B
bellard 已提交
2841
#ifdef TARGET_X86_64
2842 2843 2844 2845 2846 2847 2848 2849
    { "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]) },
B
bellard 已提交
2850
#endif
2851 2852
    { "eflags", offsetof(CPUX86State, eflags) },
    { "eip", offsetof(CPUX86State, eip) },
B
bellard 已提交
2853 2854 2855
    SEG("cs", R_CS)
    SEG("ds", R_DS)
    SEG("es", R_ES)
B
bellard 已提交
2856
    SEG("ss", R_SS)
B
bellard 已提交
2857 2858 2859
    SEG("fs", R_FS)
    SEG("gs", R_GS)
    { "pc", 0, monitor_get_pc, },
2860
#elif defined(TARGET_PPC)
J
j_mayer 已提交
2861
    /* General purpose registers */
2862 2863 2864 2865 2866 2867 2868 2869 2870 2871 2872 2873 2874 2875 2876 2877 2878 2879 2880 2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893
    { "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]) },
J
j_mayer 已提交
2894
    /* Floating point registers */
2895 2896 2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907 2908 2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927
    { "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) },
J
j_mayer 已提交
2928
    /* Next instruction pointer */
2929 2930 2931
    { "nip|pc", offsetof(CPUPPCState, nip) },
    { "lr", offsetof(CPUPPCState, lr) },
    { "ctr", offsetof(CPUPPCState, ctr) },
2932
    { "decr", 0, &monitor_get_decr, },
2933
    { "ccr", 0, &monitor_get_ccr, },
J
j_mayer 已提交
2934
    /* Machine state register */
2935 2936
    { "msr", 0, &monitor_get_msr, },
    { "xer", 0, &monitor_get_xer, },
2937 2938
    { "tbu", 0, &monitor_get_tbu, },
    { "tbl", 0, &monitor_get_tbl, },
J
j_mayer 已提交
2939 2940
#if defined(TARGET_PPC64)
    /* Address space register */
2941
    { "asr", offsetof(CPUPPCState, asr) },
J
j_mayer 已提交
2942 2943
#endif
    /* Segment registers */
2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960
    { "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]) },
S
Scott Wood 已提交
2961
    /* Too lazy to put BATs... */
2962 2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024 3025 3026 3027 3028 3029
    { "pvr", offsetof(CPUPPCState, spr[SPR_PVR]) },

    { "srr0", offsetof(CPUPPCState, spr[SPR_SRR0]) },
    { "srr1", offsetof(CPUPPCState, spr[SPR_SRR1]) },
    { "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]) },
S
Scott Wood 已提交
3030

3031
#elif defined(TARGET_SPARC)
3032 3033 3034 3035 3036 3037 3038 3039
    { "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]) },
3040 3041 3042 3043 3044 3045 3046 3047 3048 3049 3050 3051 3052 3053 3054 3055 3056 3057 3058 3059 3060 3061 3062 3063
    { "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 },
3064 3065 3066
    { "pc", offsetof(CPUSPARCState, pc) },
    { "npc", offsetof(CPUSPARCState, npc) },
    { "y", offsetof(CPUSPARCState, y) },
B
bellard 已提交
3067
#ifndef TARGET_SPARC64
3068
    { "psr", 0, &monitor_get_psr, },
3069
    { "wim", offsetof(CPUSPARCState, wim) },
B
bellard 已提交
3070
#endif
3071 3072 3073 3074 3075 3076 3077 3078 3079 3080 3081 3082 3083 3084 3085 3086 3087 3088 3089 3090 3091 3092 3093 3094 3095 3096 3097 3098 3099 3100 3101 3102 3103 3104
    { "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) },
B
bellard 已提交
3105
#ifdef TARGET_SPARC64
3106 3107 3108 3109 3110 3111 3112 3113 3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3127 3128 3129
    { "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) },
B
bellard 已提交
3130
#endif
3131 3132 3133 3134
#endif
    { NULL },
};

A
aliguori 已提交
3135
static void expr_error(Monitor *mon, const char *msg)
B
bellard 已提交
3136
{
A
aliguori 已提交
3137
    monitor_printf(mon, "%s\n", msg);
3138 3139 3140
    longjmp(expr_env, 1);
}

3141
/* return 0 if OK, -1 if not found */
B
bellard 已提交
3142
static int get_monitor_def(target_long *pval, const char *name)
3143
{
B
blueswir1 已提交
3144
    const MonitorDef *md;
B
bellard 已提交
3145 3146
    void *ptr;

3147 3148 3149
    for(md = monitor_defs; md->name != NULL; md++) {
        if (compare_cmd(name, md->name)) {
            if (md->get_value) {
3150
                *pval = md->get_value(md, md->offset);
3151
            } else {
3152
                CPUArchState *env = mon_get_cpu();
B
bellard 已提交
3153
                ptr = (uint8_t *)env + md->offset;
B
bellard 已提交
3154 3155 3156 3157 3158 3159 3160 3161 3162 3163 3164
                switch(md->type) {
                case MD_I32:
                    *pval = *(int32_t *)ptr;
                    break;
                case MD_TLONG:
                    *pval = *(target_long *)ptr;
                    break;
                default:
                    *pval = 0;
                    break;
                }
3165 3166 3167 3168 3169 3170 3171 3172 3173
            }
            return 0;
        }
    }
    return -1;
}

static void next(void)
{
3174
    if (*pch != '\0') {
3175
        pch++;
3176
        while (qemu_isspace(*pch))
3177 3178 3179 3180
            pch++;
    }
}

A
aliguori 已提交
3181
static int64_t expr_sum(Monitor *mon);
3182

A
aliguori 已提交
3183
static int64_t expr_unary(Monitor *mon)
3184
{
B
blueswir1 已提交
3185
    int64_t n;
3186
    char *p;
B
bellard 已提交
3187
    int ret;
3188 3189 3190 3191

    switch(*pch) {
    case '+':
        next();
A
aliguori 已提交
3192
        n = expr_unary(mon);
3193 3194 3195
        break;
    case '-':
        next();
A
aliguori 已提交
3196
        n = -expr_unary(mon);
3197 3198 3199
        break;
    case '~':
        next();
A
aliguori 已提交
3200
        n = ~expr_unary(mon);
3201 3202 3203
        break;
    case '(':
        next();
A
aliguori 已提交
3204
        n = expr_sum(mon);
3205
        if (*pch != ')') {
A
aliguori 已提交
3206
            expr_error(mon, "')' expected");
3207 3208 3209
        }
        next();
        break;
B
bellard 已提交
3210 3211 3212
    case '\'':
        pch++;
        if (*pch == '\0')
A
aliguori 已提交
3213
            expr_error(mon, "character constant expected");
B
bellard 已提交
3214 3215 3216
        n = *pch;
        pch++;
        if (*pch != '\'')
A
aliguori 已提交
3217
            expr_error(mon, "missing terminating \' character");
B
bellard 已提交
3218 3219
        next();
        break;
3220 3221 3222
    case '$':
        {
            char buf[128], *q;
3223
            target_long reg=0;
3224

3225 3226 3227 3228 3229
            pch++;
            q = buf;
            while ((*pch >= 'a' && *pch <= 'z') ||
                   (*pch >= 'A' && *pch <= 'Z') ||
                   (*pch >= '0' && *pch <= '9') ||
B
bellard 已提交
3230
                   *pch == '_' || *pch == '.') {
3231 3232 3233 3234
                if ((q - buf) < sizeof(buf) - 1)
                    *q++ = *pch;
                pch++;
            }
3235
            while (qemu_isspace(*pch))
3236 3237
                pch++;
            *q = 0;
3238
            ret = get_monitor_def(&reg, buf);
3239
            if (ret < 0)
A
aliguori 已提交
3240
                expr_error(mon, "unknown register");
3241
            n = reg;
3242 3243 3244
        }
        break;
    case '\0':
A
aliguori 已提交
3245
        expr_error(mon, "unexpected end of expression");
3246 3247 3248
        n = 0;
        break;
    default:
3249
        errno = 0;
B
bellard 已提交
3250
        n = strtoull(pch, &p, 0);
3251 3252 3253
        if (errno == ERANGE) {
            expr_error(mon, "number too large");
        }
3254
        if (pch == p) {
A
aliguori 已提交
3255
            expr_error(mon, "invalid char in expression");
3256 3257
        }
        pch = p;
3258
        while (qemu_isspace(*pch))
3259 3260 3261 3262 3263 3264 3265
            pch++;
        break;
    }
    return n;
}


A
aliguori 已提交
3266
static int64_t expr_prod(Monitor *mon)
3267
{
B
blueswir1 已提交
3268
    int64_t val, val2;
B
bellard 已提交
3269
    int op;
3270

A
aliguori 已提交
3271
    val = expr_unary(mon);
3272 3273 3274 3275 3276
    for(;;) {
        op = *pch;
        if (op != '*' && op != '/' && op != '%')
            break;
        next();
A
aliguori 已提交
3277
        val2 = expr_unary(mon);
3278 3279 3280 3281 3282 3283 3284
        switch(op) {
        default:
        case '*':
            val *= val2;
            break;
        case '/':
        case '%':
3285
            if (val2 == 0)
A
aliguori 已提交
3286
                expr_error(mon, "division by zero");
3287 3288 3289 3290 3291 3292 3293 3294 3295 3296
            if (op == '/')
                val /= val2;
            else
                val %= val2;
            break;
        }
    }
    return val;
}

A
aliguori 已提交
3297
static int64_t expr_logic(Monitor *mon)
3298
{
B
blueswir1 已提交
3299
    int64_t val, val2;
B
bellard 已提交
3300
    int op;
3301

A
aliguori 已提交
3302
    val = expr_prod(mon);
3303 3304 3305 3306 3307
    for(;;) {
        op = *pch;
        if (op != '&' && op != '|' && op != '^')
            break;
        next();
A
aliguori 已提交
3308
        val2 = expr_prod(mon);
3309 3310 3311 3312 3313 3314 3315 3316 3317 3318 3319 3320 3321 3322 3323 3324
        switch(op) {
        default:
        case '&':
            val &= val2;
            break;
        case '|':
            val |= val2;
            break;
        case '^':
            val ^= val2;
            break;
        }
    }
    return val;
}

A
aliguori 已提交
3325
static int64_t expr_sum(Monitor *mon)
3326
{
B
blueswir1 已提交
3327
    int64_t val, val2;
B
bellard 已提交
3328
    int op;
3329

A
aliguori 已提交
3330
    val = expr_logic(mon);
3331 3332 3333 3334 3335
    for(;;) {
        op = *pch;
        if (op != '+' && op != '-')
            break;
        next();
A
aliguori 已提交
3336
        val2 = expr_logic(mon);
3337 3338 3339 3340 3341 3342 3343 3344
        if (op == '+')
            val += val2;
        else
            val -= val2;
    }
    return val;
}

A
aliguori 已提交
3345
static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
3346 3347 3348 3349 3350 3351
{
    pch = *pp;
    if (setjmp(expr_env)) {
        *pp = pch;
        return -1;
    }
3352
    while (qemu_isspace(*pch))
3353
        pch++;
A
aliguori 已提交
3354
    *pval = expr_sum(mon);
3355 3356 3357 3358
    *pp = pch;
    return 0;
}

3359 3360 3361 3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379
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;
}

3380 3381 3382 3383 3384 3385
static int get_str(char *buf, int buf_size, const char **pp)
{
    const char *p;
    char *q;
    int c;

B
bellard 已提交
3386
    q = buf;
3387
    p = *pp;
3388
    while (qemu_isspace(*p))
3389 3390 3391
        p++;
    if (*p == '\0') {
    fail:
B
bellard 已提交
3392
        *q = '\0';
3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417 3418 3419 3420 3421 3422 3423 3424 3425 3426 3427
        *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 != '\"') {
B
bellard 已提交
3428
            qemu_printf("unterminated string\n");
3429 3430 3431 3432
            goto fail;
        }
        p++;
    } else {
3433
        while (*p != '\0' && !qemu_isspace(*p)) {
3434 3435 3436 3437 3438 3439
            if ((q - buf) < buf_size - 1) {
                *q++ = *p;
            }
            p++;
        }
    }
B
bellard 已提交
3440
    *q = '\0';
3441 3442 3443 3444
    *pp = p;
    return 0;
}

3445 3446 3447 3448 3449 3450 3451 3452 3453 3454 3455 3456 3457 3458 3459 3460 3461 3462 3463 3464 3465 3466 3467 3468 3469 3470
/*
 * 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;
}

3471 3472 3473 3474 3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486 3487 3488 3489
/**
 * 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;

3490
    str = g_malloc(len + 1);
3491 3492 3493 3494 3495 3496 3497
    memcpy(str, type, len);
    str[len] = '\0';

    *key = str;
    return ++p;
}

3498 3499 3500 3501 3502
static int default_fmt_format = 'x';
static int default_fmt_size = 4;

#define MAX_ARGS 16

3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513 3514
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);
}

3515 3516
static const mon_cmd_t *search_dispatch_table(const mon_cmd_t *disp_table,
                                              const char *cmdname)
3517 3518 3519
{
    const mon_cmd_t *cmd;

3520
    for (cmd = disp_table; cmd->name != NULL; cmd++) {
3521 3522 3523 3524 3525 3526 3527 3528
        if (compare_cmd(cmdname, cmd->name)) {
            return cmd;
        }
    }

    return NULL;
}

L
Luiz Capitulino 已提交
3529 3530
static const mon_cmd_t *qmp_find_cmd(const char *cmdname)
{
3531
    return search_dispatch_table(qmp_cmds, cmdname);
L
Luiz Capitulino 已提交
3532 3533
}

3534 3535 3536 3537 3538 3539 3540 3541 3542 3543 3544 3545
/*
 * Parse @cmdline according to command table @table.
 * If @cmdline is blank, return NULL.
 * If it can't be parsed, report to @mon, and return NULL.
 * Else, insert command arguments into @qdict, and return the command.
 * If sub-command table exist, and if @cmdline contains addtional string for
 * sub-command, this function will try search sub-command table. if no
 * addtional string for sub-command exist, this function will return the found
 * one in @table.
 * Do not assume the returned command points into @table!  It doesn't
 * when the command is a sub-command.
 */
A
Anthony Liguori 已提交
3546
static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3547
                                              const char *cmdline,
3548 3549
                                              int start,
                                              mon_cmd_t *table,
3550
                                              QDict *qdict)
3551
{
3552
    const char *p, *typestr;
3553
    int c;
A
Anthony Liguori 已提交
3554
    const mon_cmd_t *cmd;
3555 3556
    char cmdname[256];
    char buf[1024];
3557
    char *key;
B
bellard 已提交
3558 3559

#ifdef DEBUG
3560
    monitor_printf(mon, "command='%s', start='%d'\n", cmdline, start);
B
bellard 已提交
3561
#endif
3562

3563
    /* extract the command name */
3564
    p = get_command_name(cmdline + start, cmdname, sizeof(cmdname));
3565
    if (!p)
3566
        return NULL;
3567

3568
    cmd = search_dispatch_table(table, cmdname);
3569
    if (!cmd) {
3570 3571
        monitor_printf(mon, "unknown command: '%.*s'\n",
                       (int)(p - cmdline), cmdline);
3572
        return NULL;
3573 3574
    }

3575 3576 3577 3578 3579 3580 3581 3582 3583 3584 3585 3586 3587 3588
    /* filter out following useless space */
    while (qemu_isspace(*p)) {
        p++;
    }
    /* search sub command */
    if (cmd->sub_table != NULL) {
        /* check if user set additional command */
        if (*p == '\0') {
            return cmd;
        }
        return monitor_parse_command(mon, cmdline, p - cmdline,
                                     cmd->sub_table, qdict);
    }

3589 3590
    /* parse the parameters */
    typestr = cmd->args_type;
B
bellard 已提交
3591
    for(;;) {
3592 3593
        typestr = key_get_info(typestr, &key);
        if (!typestr)
B
bellard 已提交
3594
            break;
3595
        c = *typestr;
3596 3597 3598
        typestr++;
        switch(c) {
        case 'F':
B
bellard 已提交
3599
        case 'B':
3600 3601 3602
        case 's':
            {
                int ret;
3603

3604
                while (qemu_isspace(*p))
3605 3606 3607 3608 3609
                    p++;
                if (*typestr == '?') {
                    typestr++;
                    if (*p == '\0') {
                        /* no optional string: NULL argument */
3610
                        break;
3611 3612 3613 3614
                    }
                }
                ret = get_str(buf, sizeof(buf), &p);
                if (ret < 0) {
B
bellard 已提交
3615 3616
                    switch(c) {
                    case 'F':
A
aliguori 已提交
3617 3618
                        monitor_printf(mon, "%s: filename expected\n",
                                       cmdname);
B
bellard 已提交
3619 3620
                        break;
                    case 'B':
A
aliguori 已提交
3621 3622
                        monitor_printf(mon, "%s: block device name expected\n",
                                       cmdname);
B
bellard 已提交
3623 3624
                        break;
                    default:
A
aliguori 已提交
3625
                        monitor_printf(mon, "%s: string expected\n", cmdname);
B
bellard 已提交
3626 3627
                        break;
                    }
3628 3629
                    goto fail;
                }
3630
                qdict_put(qdict, key, qstring_from_str(buf));
3631
            }
B
bellard 已提交
3632
            break;
3633 3634 3635 3636 3637 3638 3639 3640 3641 3642 3643 3644 3645 3646 3647 3648 3649 3650 3651 3652 3653 3654 3655 3656 3657
        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(opts_list, buf, 1);
                if (!opts) {
                    goto fail;
                }
                qemu_opts_to_qdict(opts, qdict);
                qemu_opts_del(opts);
            }
            break;
3658 3659 3660
        case '/':
            {
                int count, format, size;
3661

3662
                while (qemu_isspace(*p))
3663 3664 3665 3666 3667
                    p++;
                if (*p == '/') {
                    /* format found */
                    p++;
                    count = 1;
3668
                    if (qemu_isdigit(*p)) {
3669
                        count = 0;
3670
                        while (qemu_isdigit(*p)) {
3671 3672 3673 3674 3675 3676 3677 3678 3679 3680 3681 3682 3683 3684 3685 3686 3687 3688 3689 3690 3691 3692 3693 3694 3695 3696 3697 3698 3699 3700 3701 3702 3703 3704 3705 3706 3707 3708
                            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:
3709
                    if (*p != '\0' && !qemu_isspace(*p)) {
A
aliguori 已提交
3710 3711
                        monitor_printf(mon, "invalid char in format: '%c'\n",
                                       *p);
3712 3713 3714 3715
                        goto fail;
                    }
                    if (format < 0)
                        format = default_fmt_format;
3716 3717 3718 3719
                    if (format != 'i') {
                        /* for 'i', not specifying a size gives -1 as size */
                        if (size < 0)
                            size = default_fmt_size;
A
aurel32 已提交
3720
                        default_fmt_size = size;
3721
                    }
3722 3723 3724 3725
                    default_fmt_format = format;
                } else {
                    count = 1;
                    format = default_fmt_format;
3726 3727 3728 3729 3730
                    if (format != 'i') {
                        size = default_fmt_size;
                    } else {
                        size = -1;
                    }
3731
                }
3732 3733 3734
                qdict_put(qdict, "count", qint_from_int(count));
                qdict_put(qdict, "format", qint_from_int(format));
                qdict_put(qdict, "size", qint_from_int(size));
3735
            }
B
bellard 已提交
3736
            break;
3737
        case 'i':
B
bellard 已提交
3738
        case 'l':
3739
        case 'M':
3740
            {
B
blueswir1 已提交
3741
                int64_t val;
3742

3743
                while (qemu_isspace(*p))
3744
                    p++;
B
bellard 已提交
3745 3746
                if (*typestr == '?' || *typestr == '.') {
                    if (*typestr == '?') {
3747 3748 3749 3750
                        if (*p == '\0') {
                            typestr++;
                            break;
                        }
B
bellard 已提交
3751 3752 3753
                    } else {
                        if (*p == '.') {
                            p++;
3754
                            while (qemu_isspace(*p))
B
bellard 已提交
3755 3756
                                p++;
                        } else {
3757 3758
                            typestr++;
                            break;
B
bellard 已提交
3759 3760
                        }
                    }
B
bellard 已提交
3761
                    typestr++;
3762
                }
A
aliguori 已提交
3763
                if (get_expr(mon, &val, &p))
3764
                    goto fail;
3765 3766 3767 3768 3769
                /* Check if 'i' is greater than 32-bit */
                if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
                    monitor_printf(mon, "\'%s\' has failed: ", cmdname);
                    monitor_printf(mon, "integer is for 32-bit values\n");
                    goto fail;
3770
                } else if (c == 'M') {
3771 3772 3773 3774
                    if (val < 0) {
                        monitor_printf(mon, "enter a positive value\n");
                        goto fail;
                    }
3775
                    val <<= 20;
3776
                }
3777
                qdict_put(qdict, key, qint_from_int(val));
3778 3779
            }
            break;
3780 3781
        case 'o':
            {
3782
                int64_t val;
3783 3784 3785 3786 3787 3788 3789 3790 3791 3792 3793 3794 3795 3796 3797 3798 3799 3800 3801 3802
                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;
3803
        case 'T':
3804 3805 3806 3807 3808 3809 3810 3811 3812 3813 3814 3815 3816 3817
            {
                double val;

                while (qemu_isspace(*p))
                    p++;
                if (*typestr == '?') {
                    typestr++;
                    if (*p == '\0') {
                        break;
                    }
                }
                if (get_double(mon, &val, &p) < 0) {
                    goto fail;
                }
3818
                if (p[0] && p[1] == 's') {
3819 3820 3821 3822 3823 3824 3825 3826 3827
                    switch (*p) {
                    case 'm':
                        val /= 1e3; p += 2; break;
                    case 'u':
                        val /= 1e6; p += 2; break;
                    case 'n':
                        val /= 1e9; p += 2; break;
                    }
                }
3828 3829 3830 3831 3832 3833 3834
                if (*p && !qemu_isspace(*p)) {
                    monitor_printf(mon, "Unknown unit suffix\n");
                    goto fail;
                }
                qdict_put(qdict, key, qfloat_from_double(val));
            }
            break;
3835 3836 3837 3838 3839 3840 3841 3842 3843 3844 3845 3846 3847 3848 3849 3850 3851 3852 3853 3854 3855 3856 3857
        case 'b':
            {
                const char *beg;
                int val;

                while (qemu_isspace(*p)) {
                    p++;
                }
                beg = p;
                while (qemu_isgraph(*p)) {
                    p++;
                }
                if (p - beg == 2 && !memcmp(beg, "on", p - beg)) {
                    val = 1;
                } else if (p - beg == 3 && !memcmp(beg, "off", p - beg)) {
                    val = 0;
                } else {
                    monitor_printf(mon, "Expected 'on' or 'off'\n");
                    goto fail;
                }
                qdict_put(qdict, key, qbool_from_int(val));
            }
            break;
3858 3859
        case '-':
            {
3860
                const char *tmp = p;
3861
                int skip_key = 0;
3862
                /* option */
3863

3864 3865 3866
                c = *typestr++;
                if (c == '\0')
                    goto bad_type;
3867
                while (qemu_isspace(*p))
3868 3869 3870
                    p++;
                if (*p == '-') {
                    p++;
3871 3872 3873 3874 3875 3876 3877 3878 3879 3880 3881 3882 3883
                    if(c != *p) {
                        if(!is_valid_option(p, typestr)) {
                  
                            monitor_printf(mon, "%s: unsupported option -%c\n",
                                           cmdname, *p);
                            goto fail;
                        } else {
                            skip_key = 1;
                        }
                    }
                    if(skip_key) {
                        p = tmp;
                    } else {
3884
                        /* has option */
3885
                        p++;
3886
                        qdict_put(qdict, key, qbool_from_int(1));
3887 3888 3889 3890 3891 3892
                    }
                }
            }
            break;
        default:
        bad_type:
A
aliguori 已提交
3893
            monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3894 3895
            goto fail;
        }
3896
        g_free(key);
3897
        key = NULL;
B
bellard 已提交
3898
    }
3899
    /* check that all arguments were parsed */
3900
    while (qemu_isspace(*p))
3901 3902
        p++;
    if (*p != '\0') {
A
aliguori 已提交
3903 3904
        monitor_printf(mon, "%s: extraneous characters at the end of line\n",
                       cmdname);
3905
        goto fail;
B
bellard 已提交
3906
    }
3907

3908
    return cmd;
G
Gerd Hoffmann 已提交
3909

3910
fail:
3911
    g_free(key);
3912 3913 3914
    return NULL;
}

3915 3916 3917 3918 3919 3920 3921 3922 3923 3924
void monitor_set_error(Monitor *mon, QError *qerror)
{
    /* report only the first error */
    if (!mon->error) {
        mon->error = qerror;
    } else {
        QDECREF(qerror);
    }
}

L
Luiz Capitulino 已提交
3925 3926
static void handler_audit(Monitor *mon, const mon_cmd_t *cmd, int ret)
{
L
Luiz Capitulino 已提交
3927 3928 3929 3930 3931 3932 3933 3934
    if (ret && !monitor_has_error(mon)) {
        /*
         * If it returns failure, it must have passed on error.
         *
         * Action: Report an internal error to the client if in QMP.
         */
        qerror_report(QERR_UNDEFINED_ERROR);
    }
L
Luiz Capitulino 已提交
3935 3936
}

3937
static void handle_user_command(Monitor *mon, const char *cmdline)
3938 3939
{
    QDict *qdict;
A
Anthony Liguori 已提交
3940
    const mon_cmd_t *cmd;
3941 3942 3943

    qdict = qdict_new();

3944
    cmd = monitor_parse_command(mon, cmdline, 0, mon_cmds, qdict);
3945 3946 3947
    if (!cmd)
        goto out;

3948
    if (handler_is_async(cmd)) {
3949
        user_async_cmd_handler(mon, cmd, qdict);
3950
    } else if (handler_is_qobject(cmd)) {
3951 3952 3953 3954 3955 3956 3957 3958 3959
        QObject *data = NULL;

        /* XXX: ignores the error code */
        cmd->mhandler.cmd_new(mon, qdict, &data);
        assert(!monitor_has_error(mon));
        if (data) {
            cmd->user_print(mon, data);
            qobject_decref(data);
        }
3960
    } else {
3961
        cmd->mhandler.cmd(mon, qdict);
3962 3963
    }

3964
out:
3965
    QDECREF(qdict);
B
bellard 已提交
3966 3967
}

B
bellard 已提交
3968 3969 3970 3971 3972 3973 3974 3975 3976 3977 3978 3979 3980 3981 3982 3983 3984 3985
static void cmd_completion(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))) {
3986
            readline_add_completion(cur_mon->rs, cmd);
B
bellard 已提交
3987 3988 3989 3990 3991 3992 3993 3994 3995 3996 3997 3998 3999 4000 4001 4002
        }
        if (*p == '\0')
            break;
        p++;
    }
}

static void file_completion(const char *input)
{
    DIR *ffs;
    struct dirent *d;
    char path[1024];
    char file[1024], file_prefix[1024];
    int input_path_len;
    const char *p;

4003
    p = strrchr(input, '/');
B
bellard 已提交
4004 4005 4006
    if (!p) {
        input_path_len = 0;
        pstrcpy(file_prefix, sizeof(file_prefix), input);
B
blueswir1 已提交
4007
        pstrcpy(path, sizeof(path), ".");
B
bellard 已提交
4008 4009 4010 4011 4012 4013 4014 4015 4016
    } 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);
    }
#ifdef DEBUG_COMPLETION
A
aliguori 已提交
4017 4018
    monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
                   input, path, file_prefix);
B
bellard 已提交
4019 4020 4021 4022 4023 4024 4025 4026 4027
#endif
    ffs = opendir(path);
    if (!ffs)
        return;
    for(;;) {
        struct stat sb;
        d = readdir(ffs);
        if (!d)
            break;
4028 4029 4030 4031 4032

        if (strcmp(d->d_name, ".") == 0 || strcmp(d->d_name, "..") == 0) {
            continue;
        }

B
bellard 已提交
4033 4034
        if (strstart(d->d_name, file_prefix, NULL)) {
            memcpy(file, input, input_path_len);
B
blueswir1 已提交
4035 4036 4037
            if (input_path_len < sizeof(file))
                pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
                        d->d_name);
B
bellard 已提交
4038 4039 4040
            /* stat the file to find out if it's a directory.
             * In that case add a slash to speed up typing long paths
             */
4041
            if (stat(file, &sb) == 0 && S_ISDIR(sb.st_mode)) {
B
blueswir1 已提交
4042
                pstrcat(file, sizeof(file), "/");
4043
            }
4044
            readline_add_completion(cur_mon->rs, file);
B
bellard 已提交
4045 4046 4047 4048 4049
        }
    }
    closedir(ffs);
}

4050
static void block_completion_it(void *opaque, BlockDriverState *bs)
B
bellard 已提交
4051
{
4052
    const char *name = bdrv_get_device_name(bs);
B
bellard 已提交
4053 4054 4055 4056
    const char *input = opaque;

    if (input[0] == '\0' ||
        !strncmp(name, (char *)input, strlen(input))) {
4057
        readline_add_completion(cur_mon->rs, name);
B
bellard 已提交
4058 4059 4060 4061 4062 4063 4064 4065 4066 4067 4068 4069 4070 4071
    }
}

/* NOTE: this parser is an approximate form of the real command parser */
static void 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(;;) {
4072
        while (qemu_isspace(*p))
B
bellard 已提交
4073 4074 4075 4076 4077 4078
            p++;
        if (*p == '\0')
            break;
        if (nb_args >= MAX_ARGS)
            break;
        ret = get_str(buf, sizeof(buf), &p);
4079
        args[nb_args] = g_strdup(buf);
B
bellard 已提交
4080 4081 4082 4083 4084 4085 4086
        nb_args++;
        if (ret < 0)
            break;
    }
    *pnb_args = nb_args;
}

4087 4088 4089 4090 4091 4092
static const char *next_arg_type(const char *typestr)
{
    const char *p = strchr(typestr, ':');
    return (p != NULL ? ++p : typestr);
}

4093
static void monitor_find_completion(const char *cmdline)
B
bellard 已提交
4094 4095 4096 4097 4098
{
    const char *cmdname;
    char *args[MAX_ARGS];
    int nb_args, i, len;
    const char *ptype, *str;
A
Anthony Liguori 已提交
4099
    const mon_cmd_t *cmd;
B
bellard 已提交
4100 4101 4102 4103

    parse_cmdline(cmdline, &nb_args, args);
#ifdef DEBUG_COMPLETION
    for(i = 0; i < nb_args; i++) {
A
aliguori 已提交
4104
        monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
B
bellard 已提交
4105 4106 4107 4108 4109 4110
    }
#endif

    /* if the line ends with a space, it means we want to complete the
       next arg */
    len = strlen(cmdline);
4111
    if (len > 0 && qemu_isspace(cmdline[len - 1])) {
4112 4113 4114
        if (nb_args >= MAX_ARGS) {
            goto cleanup;
        }
4115
        args[nb_args++] = g_strdup("");
B
bellard 已提交
4116 4117 4118 4119 4120 4121 4122
    }
    if (nb_args <= 1) {
        /* command completion */
        if (nb_args == 0)
            cmdname = "";
        else
            cmdname = args[0];
4123
        readline_set_completion_index(cur_mon->rs, strlen(cmdname));
A
aliguori 已提交
4124
        for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
B
bellard 已提交
4125 4126 4127 4128
            cmd_completion(cmdname, cmd->name);
        }
    } else {
        /* find the command */
4129 4130 4131 4132
        for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
            if (compare_cmd(args[0], cmd->name)) {
                break;
            }
B
bellard 已提交
4133
        }
4134 4135 4136 4137
        if (!cmd->name) {
            goto cleanup;
        }

4138
        ptype = next_arg_type(cmd->args_type);
B
bellard 已提交
4139 4140
        for(i = 0; i < nb_args - 2; i++) {
            if (*ptype != '\0') {
4141
                ptype = next_arg_type(ptype);
B
bellard 已提交
4142
                while (*ptype == '?')
4143
                    ptype = next_arg_type(ptype);
B
bellard 已提交
4144 4145 4146
            }
        }
        str = args[nb_args - 1];
4147
        if (*ptype == '-' && ptype[1] != '\0') {
4148
            ptype = next_arg_type(ptype);
4149
        }
B
bellard 已提交
4150 4151 4152
        switch(*ptype) {
        case 'F':
            /* file completion */
4153
            readline_set_completion_index(cur_mon->rs, strlen(str));
B
bellard 已提交
4154 4155 4156 4157
            file_completion(str);
            break;
        case 'B':
            /* block device name completion */
4158
            readline_set_completion_index(cur_mon->rs, strlen(str));
B
bellard 已提交
4159 4160
            bdrv_iterate(block_completion_it, (void *)str);
            break;
B
bellard 已提交
4161 4162 4163
        case 's':
            /* XXX: more generic ? */
            if (!strcmp(cmd->name, "info")) {
4164
                readline_set_completion_index(cur_mon->rs, strlen(str));
B
bellard 已提交
4165 4166 4167
                for(cmd = info_cmds; cmd->name != NULL; cmd++) {
                    cmd_completion(str, cmd->name);
                }
4168
            } else if (!strcmp(cmd->name, "sendkey")) {
B
blueswir1 已提交
4169 4170 4171
                char *sep = strrchr(str, '-');
                if (sep)
                    str = sep + 1;
4172
                readline_set_completion_index(cur_mon->rs, strlen(str));
4173 4174
                for (i = 0; i < Q_KEY_CODE_MAX; i++) {
                    cmd_completion(str, QKeyCode_lookup[i]);
4175
                }
4176 4177 4178 4179 4180
            } else if (!strcmp(cmd->name, "help|?")) {
                readline_set_completion_index(cur_mon->rs, strlen(str));
                for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
                    cmd_completion(str, cmd->name);
                }
B
bellard 已提交
4181 4182
            }
            break;
B
bellard 已提交
4183 4184 4185 4186
        default:
            break;
        }
    }
4187 4188 4189

cleanup:
    for (i = 0; i < nb_args; i++) {
4190
        g_free(args[i]);
4191
    }
B
bellard 已提交
4192 4193
}

4194
static int monitor_can_read(void *opaque)
B
bellard 已提交
4195
{
4196 4197
    Monitor *mon = opaque;

J
Jan Kiszka 已提交
4198
    return (mon->suspend_cnt == 0) ? 1 : 0;
B
bellard 已提交
4199 4200
}

4201
static int invalid_qmp_mode(const Monitor *mon, const char *cmd_name)
L
Luiz Capitulino 已提交
4202
{
4203 4204
    int is_cap = compare_cmd(cmd_name, "qmp_capabilities");
    return (qmp_cmd_mode(mon) ? is_cap : !is_cap);
L
Luiz Capitulino 已提交
4205 4206
}

4207 4208 4209 4210 4211 4212 4213 4214 4215 4216 4217 4218
/*
 * 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 int check_client_args_type(const QDict *client_args,
                                  const QDict *cmd_args, int flags)
L
Luiz Capitulino 已提交
4219
{
4220
    const QDictEntry *ent;
L
Luiz Capitulino 已提交
4221

4222 4223 4224 4225 4226 4227 4228 4229 4230 4231 4232 4233 4234 4235 4236 4237
    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 */
            qerror_report(QERR_INVALID_PARAMETER, client_arg_name);
            return -1;
        }
L
Luiz Capitulino 已提交
4238

4239 4240
        arg_type = qobject_to_qstring(obj);
        assert(arg_type != NULL);
L
Luiz Capitulino 已提交
4241

4242 4243
        /* check if argument's type is correct */
        switch (qstring_get_str(arg_type)[0]) {
L
Luiz Capitulino 已提交
4244 4245 4246
        case 'F':
        case 'B':
        case 's':
4247 4248 4249
            if (qobject_type(client_arg) != QTYPE_QSTRING) {
                qerror_report(QERR_INVALID_PARAMETER_TYPE, client_arg_name,
                              "string");
L
Luiz Capitulino 已提交
4250 4251
                return -1;
            }
4252
        break;
L
Luiz Capitulino 已提交
4253 4254
        case 'i':
        case 'l':
4255
        case 'M':
4256
        case 'o':
4257 4258 4259 4260
            if (qobject_type(client_arg) != QTYPE_QINT) {
                qerror_report(QERR_INVALID_PARAMETER_TYPE, client_arg_name,
                              "int");
                return -1; 
L
Luiz Capitulino 已提交
4261 4262
            }
            break;
4263
        case 'T':
4264 4265 4266 4267 4268
            if (qobject_type(client_arg) != QTYPE_QINT &&
                qobject_type(client_arg) != QTYPE_QFLOAT) {
                qerror_report(QERR_INVALID_PARAMETER_TYPE, client_arg_name,
                              "number");
               return -1; 
4269 4270
            }
            break;
4271
        case 'b':
L
Luiz Capitulino 已提交
4272
        case '-':
4273 4274 4275 4276
            if (qobject_type(client_arg) != QTYPE_QBOOL) {
                qerror_report(QERR_INVALID_PARAMETER_TYPE, client_arg_name,
                              "bool");
               return -1; 
L
Luiz Capitulino 已提交
4277 4278
            }
            break;
4279
        case 'O':
4280 4281
            assert(flags & QMP_ACCEPT_UNKNOWNS);
            break;
4282 4283 4284
        case 'q':
            /* Any QObject can be passed.  */
            break;
4285 4286 4287 4288 4289 4290
        case '/':
        case '.':
            /*
             * These types are not supported by QMP and thus are not
             * handled here. Fall through.
             */
L
Luiz Capitulino 已提交
4291 4292
        default:
            abort();
4293 4294 4295 4296 4297 4298
        }
    }

    return 0;
}

4299 4300 4301 4302 4303 4304 4305 4306 4307 4308 4309 4310 4311 4312 4313 4314 4315 4316 4317 4318 4319 4320 4321
/*
 * - Check if the client has passed all mandatory args
 * - Set special flags for argument validation
 */
static int check_mandatory_args(const QDict *cmd_args,
                                const QDict *client_args, int *flags)
{
    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)) {
            qerror_report(QERR_MISSING_PARAMETER, cmd_arg_name);
            return -1;
        }
L
Luiz Capitulino 已提交
4322 4323 4324 4325 4326
    }

    return 0;
}

4327
static QDict *qdict_from_args_type(const char *args_type)
L
Luiz Capitulino 已提交
4328
{
4329 4330 4331 4332 4333 4334 4335 4336 4337 4338 4339 4340 4341 4342 4343 4344 4345 4346 4347 4348 4349 4350 4351 4352 4353 4354 4355 4356 4357 4358 4359 4360 4361 4362 4363 4364 4365 4366 4367 4368 4369
    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;
L
Luiz Capitulino 已提交
4370 4371
}

4372 4373 4374 4375
/*
 * Client argument checking rules:
 *
 * 1. Client must provide all mandatory arguments
4376 4377 4378
 * 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
4379 4380
 */
static int qmp_check_client_args(const mon_cmd_t *cmd, QDict *client_args)
4381
{
4382 4383 4384 4385 4386 4387 4388 4389 4390 4391 4392
    int flags, err;
    QDict *cmd_args;

    cmd_args = qdict_from_args_type(cmd->args_type);

    flags = 0;
    err = check_mandatory_args(cmd_args, client_args, &flags);
    if (err) {
        goto out;
    }

4393
    err = check_client_args_type(client_args, cmd_args, flags);
4394 4395 4396 4397

out:
    QDECREF(cmd_args);
    return err;
4398 4399
}

L
Luiz Capitulino 已提交
4400
/*
4401
 * Input object checking rules
L
Luiz Capitulino 已提交
4402
 *
4403 4404 4405 4406 4407 4408
 * 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
L
Luiz Capitulino 已提交
4409
 */
4410
static QDict *qmp_check_input_obj(QObject *input_obj)
L
Luiz Capitulino 已提交
4411
{
4412 4413 4414
    const QDictEntry *ent;
    int has_exec_key = 0;
    QDict *input_dict;
L
Luiz Capitulino 已提交
4415

4416 4417 4418
    if (qobject_type(input_obj) != QTYPE_QDICT) {
        qerror_report(QERR_QMP_BAD_INPUT_OBJECT, "object");
        return NULL;
L
Luiz Capitulino 已提交
4419 4420
    }

4421
    input_dict = qobject_to_qdict(input_obj);
L
Luiz Capitulino 已提交
4422

4423 4424 4425
    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);
L
Luiz Capitulino 已提交
4426

4427 4428 4429 4430 4431
        if (!strcmp(arg_name, "execute")) {
            if (qobject_type(arg_obj) != QTYPE_QSTRING) {
                qerror_report(QERR_QMP_BAD_INPUT_OBJECT_MEMBER, "execute",
                              "string");
                return NULL;
4432
            }
4433 4434 4435 4436 4437 4438
            has_exec_key = 1;
        } else if (!strcmp(arg_name, "arguments")) {
            if (qobject_type(arg_obj) != QTYPE_QDICT) {
                qerror_report(QERR_QMP_BAD_INPUT_OBJECT_MEMBER, "arguments",
                              "object");
                return NULL;
L
Luiz Capitulino 已提交
4439
            }
4440 4441
        } else if (!strcmp(arg_name, "id")) {
            /* FIXME: check duplicated IDs for async commands */
L
Luiz Capitulino 已提交
4442
        } else {
4443 4444
            qerror_report(QERR_QMP_EXTRA_MEMBER, arg_name);
            return NULL;
L
Luiz Capitulino 已提交
4445 4446 4447
        }
    }

4448 4449 4450 4451
    if (!has_exec_key) {
        qerror_report(QERR_QMP_BAD_INPUT_OBJECT, "execute");
        return NULL;
    }
L
Luiz Capitulino 已提交
4452

4453
    return input_dict;
4454 4455
}

L
Luiz Capitulino 已提交
4456 4457 4458 4459 4460 4461 4462 4463 4464 4465 4466 4467
static void qmp_call_cmd(Monitor *mon, const mon_cmd_t *cmd,
                         const QDict *params)
{
    int ret;
    QObject *data = NULL;

    ret = cmd->mhandler.cmd_new(mon, params, &data);
    handler_audit(mon, cmd, ret);
    monitor_protocol_emitter(mon, data);
    qobject_decref(data);
}

L
Luiz Capitulino 已提交
4468 4469 4470 4471 4472 4473
static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
{
    int err;
    QObject *obj;
    QDict *input, *args;
    const mon_cmd_t *cmd;
4474
    const char *cmd_name;
L
Luiz Capitulino 已提交
4475 4476
    Monitor *mon = cur_mon;

4477
    args = input = NULL;
L
Luiz Capitulino 已提交
4478 4479 4480 4481

    obj = json_parser_parse(tokens, NULL);
    if (!obj) {
        // FIXME: should be triggered in json_parser_parse()
4482
        qerror_report(QERR_JSON_PARSING);
L
Luiz Capitulino 已提交
4483 4484 4485
        goto err_out;
    }

4486 4487
    input = qmp_check_input_obj(obj);
    if (!input) {
L
Luiz Capitulino 已提交
4488 4489 4490 4491 4492 4493 4494
        qobject_decref(obj);
        goto err_out;
    }

    mon->mc->id = qdict_get(input, "id");
    qobject_incref(mon->mc->id);

4495
    cmd_name = qdict_get_str(input, "execute");
4496
    trace_handle_qmp_command(mon, cmd_name);
4497
    if (invalid_qmp_mode(mon, cmd_name)) {
4498
        qerror_report(QERR_COMMAND_NOT_FOUND, cmd_name);
4499
        goto err_out;
4500 4501
    }

4502
    cmd = qmp_find_cmd(cmd_name);
4503
    if (!cmd) {
4504
        qerror_report(QERR_COMMAND_NOT_FOUND, cmd_name);
4505
        goto err_out;
L
Luiz Capitulino 已提交
4506 4507 4508 4509 4510 4511 4512 4513 4514 4515
    }

    obj = qdict_get(input, "arguments");
    if (!obj) {
        args = qdict_new();
    } else {
        args = qobject_to_qdict(obj);
        QINCREF(args);
    }

4516
    err = qmp_check_client_args(cmd, args);
L
Luiz Capitulino 已提交
4517 4518 4519 4520
    if (err < 0) {
        goto err_out;
    }

4521
    if (handler_is_async(cmd)) {
4522 4523 4524 4525 4526
        err = qmp_async_cmd_handler(mon, cmd, args);
        if (err) {
            /* emit the error response */
            goto err_out;
        }
4527
    } else {
L
Luiz Capitulino 已提交
4528
        qmp_call_cmd(mon, cmd, args);
4529
    }
4530

L
Luiz Capitulino 已提交
4531 4532 4533 4534 4535
    goto out;

err_out:
    monitor_protocol_emitter(mon, NULL);
out:
4536
    QDECREF(input);
L
Luiz Capitulino 已提交
4537 4538 4539
    QDECREF(args);
}

L
Luiz Capitulino 已提交
4540 4541 4542 4543 4544 4545 4546 4547 4548
/**
 * monitor_control_read(): Read and handle QMP input
 */
static void monitor_control_read(void *opaque, const uint8_t *buf, int size)
{
    Monitor *old_mon = cur_mon;

    cur_mon = opaque;

L
Luiz Capitulino 已提交
4549
    json_message_parser_feed(&cur_mon->mc->parser, (const char *) buf, size);
L
Luiz Capitulino 已提交
4550 4551 4552 4553

    cur_mon = old_mon;
}

4554
static void monitor_read(void *opaque, const uint8_t *buf, int size)
B
bellard 已提交
4555
{
4556
    Monitor *old_mon = cur_mon;
4557
    int i;
A
aliguori 已提交
4558

4559 4560
    cur_mon = opaque;

4561 4562 4563 4564 4565 4566 4567
    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
4568
            handle_user_command(cur_mon, (char *)buf);
4569
    }
B
bellard 已提交
4570

4571 4572
    cur_mon = old_mon;
}
4573

A
aliguori 已提交
4574
static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
B
bellard 已提交
4575
{
4576
    monitor_suspend(mon);
4577
    handle_user_command(mon, cmdline);
4578
    monitor_resume(mon);
4579 4580
}

4581
int monitor_suspend(Monitor *mon)
4582
{
4583 4584
    if (!mon->rs)
        return -ENOTTY;
4585
    mon->suspend_cnt++;
4586
    return 0;
4587 4588
}

A
aliguori 已提交
4589
void monitor_resume(Monitor *mon)
4590
{
4591 4592
    if (!mon->rs)
        return;
4593 4594
    if (--mon->suspend_cnt == 0)
        readline_show_prompt(mon->rs);
B
bellard 已提交
4595 4596
}

4597 4598
static QObject *get_qmp_greeting(void)
{
L
Luiz Capitulino 已提交
4599
    QObject *ver = NULL;
4600

L
Luiz Capitulino 已提交
4601
    qmp_marshal_input_query_version(NULL, NULL, &ver);
4602 4603 4604
    return qobject_from_jsonf("{'QMP':{'version': %p,'capabilities': []}}",ver);
}

L
Luiz Capitulino 已提交
4605 4606 4607 4608 4609
/**
 * monitor_control_event(): Print QMP gretting
 */
static void monitor_control_event(void *opaque, int event)
{
4610 4611
    QObject *data;
    Monitor *mon = opaque;
L
Luiz Capitulino 已提交
4612

4613 4614
    switch (event) {
    case CHR_EVENT_OPENED:
4615
        mon->mc->command_mode = 0;
4616
        data = get_qmp_greeting();
L
Luiz Capitulino 已提交
4617 4618
        monitor_json_emitter(mon, data);
        qobject_decref(data);
4619
        mon_refcount++;
4620 4621 4622
        break;
    case CHR_EVENT_CLOSED:
        json_message_parser_destroy(&mon->mc->parser);
4623
        json_message_parser_init(&mon->mc->parser, handle_qmp_command);
4624 4625
        mon_refcount--;
        monitor_fdsets_cleanup();
4626
        break;
L
Luiz Capitulino 已提交
4627 4628 4629
    }
}

4630
static void monitor_event(void *opaque, int event)
4631
{
A
aliguori 已提交
4632 4633
    Monitor *mon = opaque;

4634 4635
    switch (event) {
    case CHR_EVENT_MUX_IN:
G
Gerd Hoffmann 已提交
4636 4637 4638 4639 4640 4641 4642 4643
        mon->mux_out = 0;
        if (mon->reset_seen) {
            readline_restart(mon->rs);
            monitor_resume(mon);
            monitor_flush(mon);
        } else {
            mon->suspend_cnt = 0;
        }
4644 4645 4646
        break;

    case CHR_EVENT_MUX_OUT:
G
Gerd Hoffmann 已提交
4647 4648 4649 4650 4651 4652 4653 4654 4655 4656
        if (mon->reset_seen) {
            if (mon->suspend_cnt == 0) {
                monitor_printf(mon, "\n");
            }
            monitor_flush(mon);
            monitor_suspend(mon);
        } else {
            mon->suspend_cnt++;
        }
        mon->mux_out = 1;
4657
        break;
4658

4659
    case CHR_EVENT_OPENED:
4660 4661
        monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
                       "information\n", QEMU_VERSION);
G
Gerd Hoffmann 已提交
4662
        if (!mon->mux_out) {
4663
            readline_show_prompt(mon->rs);
G
Gerd Hoffmann 已提交
4664 4665
        }
        mon->reset_seen = 1;
4666 4667 4668 4669 4670 4671
        mon_refcount++;
        break;

    case CHR_EVENT_CLOSED:
        mon_refcount--;
        monitor_fdsets_cleanup();
4672 4673
        break;
    }
4674 4675
}

4676 4677 4678 4679 4680 4681 4682 4683 4684 4685 4686 4687 4688 4689 4690 4691 4692 4693 4694
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);
}

4695 4696 4697 4698 4699 4700 4701 4702 4703

/*
 * Local variables:
 *  c-indent-level: 4
 *  c-basic-offset: 4
 *  tab-width: 8
 * End:
 */

4704
void monitor_init(CharDriverState *chr, int flags)
B
bellard 已提交
4705
{
4706
    static int is_first_init = 1;
4707
    Monitor *mon;
T
ths 已提交
4708 4709

    if (is_first_init) {
4710
        monitor_protocol_event_init();
T
ths 已提交
4711 4712
        is_first_init = 0;
    }
4713

4714
    mon = g_malloc0(sizeof(*mon));
T
ths 已提交
4715

4716
    mon->chr = chr;
4717
    mon->flags = flags;
4718 4719 4720 4721
    if (flags & MONITOR_USE_READLINE) {
        mon->rs = readline_init(mon, monitor_find_completion);
        monitor_read_command(mon, 0);
    }
4722

L
Luiz Capitulino 已提交
4723
    if (monitor_ctrl_mode(mon)) {
4724
        mon->mc = g_malloc0(sizeof(MonitorControl));
L
Luiz Capitulino 已提交
4725 4726 4727
        /* Control mode requires special handlers */
        qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
                              monitor_control_event, mon);
4728
        qemu_chr_fe_set_echo(chr, true);
4729 4730

        json_message_parser_init(&mon->mc->parser, handle_qmp_command);
L
Luiz Capitulino 已提交
4731 4732 4733 4734
    } else {
        qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
                              monitor_event, mon);
    }
4735

B
Blue Swirl 已提交
4736
    QLIST_INSERT_HEAD(&mon_list, mon, entry);
4737 4738
    if (!default_mon || (flags & MONITOR_IS_DEFAULT))
        default_mon = mon;
4739 4740

    sortcmdlist();
B
bellard 已提交
4741 4742
}

A
aliguori 已提交
4743
static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
B
bellard 已提交
4744
{
4745 4746
    BlockDriverState *bs = opaque;
    int ret = 0;
B
bellard 已提交
4747

4748
    if (bdrv_set_key(bs, password) != 0) {
A
aliguori 已提交
4749
        monitor_printf(mon, "invalid password\n");
4750
        ret = -EPERM;
B
bellard 已提交
4751
    }
4752 4753
    if (mon->password_completion_cb)
        mon->password_completion_cb(mon->password_opaque, ret);
4754

4755
    monitor_read_command(mon, 1);
B
bellard 已提交
4756
}
4757

A
Anthony Liguori 已提交
4758 4759 4760 4761 4762
ReadLineState *monitor_get_rs(Monitor *mon)
{
    return mon->rs;
}

4763 4764 4765
int monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
                                BlockDriverCompletionFunc *completion_cb,
                                void *opaque)
4766
{
4767 4768
    int err;

4769 4770 4771
    if (!bdrv_key_required(bs)) {
        if (completion_cb)
            completion_cb(opaque, 0);
4772
        return 0;
4773
    }
4774

4775
    if (monitor_ctrl_mode(mon)) {
4776 4777
        qerror_report(QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs),
                      bdrv_get_encrypted_filename(bs));
4778
        return -1;
4779 4780
    }

A
aliguori 已提交
4781 4782
    monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
                   bdrv_get_encrypted_filename(bs));
4783

4784 4785
    mon->password_completion_cb = completion_cb;
    mon->password_opaque = opaque;
4786

4787 4788 4789 4790
    err = monitor_read_password(mon, bdrv_password_cb, bs);

    if (err && completion_cb)
        completion_cb(opaque, err);
4791 4792

    return err;
4793
}
L
Luiz Capitulino 已提交
4794 4795 4796 4797 4798 4799 4800 4801 4802 4803 4804 4805 4806 4807 4808

int monitor_read_block_device_key(Monitor *mon, const char *device,
                                  BlockDriverCompletionFunc *completion_cb,
                                  void *opaque)
{
    BlockDriverState *bs;

    bs = bdrv_find(device);
    if (!bs) {
        monitor_printf(mon, "Device not found %s\n", device);
        return -1;
    }

    return monitor_read_bdrv_key_start(mon, bs, completion_cb, opaque);
}
4809 4810 4811 4812 4813 4814 4815 4816 4817 4818 4819 4820 4821 4822 4823 4824 4825 4826 4827 4828 4829 4830

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 */ }
    },
};