monitor.c 155.0 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 "monitor/qdev.h"
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#include "hw/usb.h"
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#include "hw/i386/pc.h"
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#include "hw/pci/pci.h"
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#include "sysemu/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 "sysemu/char.h"
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#include "ui/qemu-spice.h"
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#include "sysemu/sysemu.h"
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#include "sysemu/numa.h"
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#include "monitor/monitor.h"
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#include "qemu/readline.h"
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#include "ui/console.h"
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#include "ui/input.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 "sysemu/tpm.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 <qom/object_interfaces.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 "exec/memory.h"
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#include "exec/cpu_ldst.h"
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#include "qmp-commands.h"
#include "hmp.h"
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#include "qemu/thread.h"
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#include "block/qapi.h"
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#include "qapi/qmp-event.h"
#include "qapi-event.h"
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#include "sysemu/block-backend.h"
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/* for hmp_info_irq/pic */
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#if defined(TARGET_SPARC)
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#include "hw/sparc/sun4m.h"
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#endif
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#include "hw/lm32/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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 * 'S'          it just appends the rest of the 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)
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 *              user mode accepts an optional E, e, P, p, T, t, G, g, M, m,
 *              K, k suffix, which multiplies the value by 2^60 for suffixes E
 *              and e, 2^50 for suffixes P and p, 2^40 for suffixes T and t,
 *              2^30 for suffixes G and g, 2^20 for M and m, 2^10 for K and k
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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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    void (*command_completion)(ReadLineState *rs, int nb_args, const char *str);
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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.
 */
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typedef struct MonitorQAPIEventState {
    QAPIEvent event;    /* Event being tracked */
    int64_t rate;       /* Minimum time (in ns) between two events */
    int64_t last;       /* QEMU_CLOCK_REALTIME value at last emission */
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    QEMUTimer *timer;   /* Timer for handling delayed events */
    QObject *data;      /* Event pending delayed dispatch */
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} MonitorQAPIEventState;
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struct Monitor {
    CharDriverState *chr;
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    int reset_seen;
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    int flags;
    int suspend_cnt;
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    bool skip_flush;
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    QemuMutex out_lock;
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    QString *outbuf;
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    guint out_watch;

    /* Read under either BQL or out_lock, written with BQL+out_lock.  */
    int mux_out;

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    ReadLineState *rs;
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    MonitorControl *mc;
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    CPUState *mon_cpu;
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    BlockCompletionFunc *password_completion_cb;
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    void *password_opaque;
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    mon_cmd_t *cmd_table;
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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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/* Protects mon_list, monitor_event_state.  */
static QemuMutex monitor_lock;

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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(void *opaque, const char *cmdline,
                               void *readline_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 (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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static void monitor_flush_locked(Monitor *mon);

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static gboolean monitor_unblocked(GIOChannel *chan, GIOCondition cond,
                                  void *opaque)
{
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    Monitor *mon = opaque;

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    qemu_mutex_lock(&mon->out_lock);
    mon->out_watch = 0;
    monitor_flush_locked(mon);
    qemu_mutex_unlock(&mon->out_lock);
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    return FALSE;
}

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/* Called with mon->out_lock held.  */
static void monitor_flush_locked(Monitor *mon)
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{
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    int rc;
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    size_t len;
    const char *buf;

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    if (mon->skip_flush) {
        return;
    }

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    buf = qstring_get_str(mon->outbuf);
    len = qstring_get_length(mon->outbuf);
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    if (len && !mon->mux_out) {
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        rc = qemu_chr_fe_write(mon->chr, (const uint8_t *) buf, len);
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        if ((rc < 0 && errno != EAGAIN) || (rc == len)) {
            /* all flushed or error */
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            QDECREF(mon->outbuf);
            mon->outbuf = qstring_new();
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            return;
        }
        if (rc > 0) {
            /* partinal write */
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            QString *tmp = qstring_from_str(buf + rc);
            QDECREF(mon->outbuf);
            mon->outbuf = tmp;
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        }
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        if (mon->out_watch == 0) {
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            mon->out_watch = qemu_chr_fe_add_watch(mon->chr, G_IO_OUT|G_IO_HUP,
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                                                   monitor_unblocked, mon);
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        }
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    }
}

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void monitor_flush(Monitor *mon)
{
    qemu_mutex_lock(&mon->out_lock);
    monitor_flush_locked(mon);
    qemu_mutex_unlock(&mon->out_lock);
}

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/* flush at every end of line */
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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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    qemu_mutex_lock(&mon->out_lock);
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    for(;;) {
        c = *str++;
        if (c == '\0')
            break;
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        if (c == '\n') {
            qstring_append_chr(mon->outbuf, '\r');
        }
        qstring_append_chr(mon->outbuf, c);
        if (c == '\n') {
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            monitor_flush_locked(mon);
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        }
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    }
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    qemu_mutex_unlock(&mon->out_lock);
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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;
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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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    buf = g_strdup_vprintf(fmt, ap);
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    monitor_puts(mon, buf);
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    g_free(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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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 MonitorQAPIEventState monitor_qapi_event_state[QAPI_EVENT_MAX];
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/*
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 * Emits the event to every monitor instance, @event is only used for trace
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 * Called with monitor_lock held.
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 */
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static void monitor_qapi_event_emit(QAPIEvent event, QObject *data)
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{
    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
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monitor_qapi_event_queue(QAPIEvent event, QDict *data, Error **errp)
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{
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    MonitorQAPIEventState *evstate;
    assert(event < QAPI_EVENT_MAX);
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    int64_t now = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
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    evstate = &(monitor_qapi_event_state[event]);
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    trace_monitor_protocol_event_queue(event,
                                       data,
                                       evstate->rate,
                                       evstate->last,
                                       now);

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

/*
 * The callback invoked by QemuTimer when a delayed
 * event is ready to be emitted
 */
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static void monitor_qapi_event_handler(void *opaque)
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{
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    MonitorQAPIEventState *evstate = opaque;
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    int64_t now = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
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    trace_monitor_protocol_event_handler(evstate->event,
                                         evstate->data,
                                         evstate->last,
                                         now);
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    qemu_mutex_lock(&monitor_lock);
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    if (evstate->data) {
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        monitor_qapi_event_emit(evstate->event, evstate->data);
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        qobject_decref(evstate->data);
        evstate->data = NULL;
    }
    evstate->last = now;
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    qemu_mutex_unlock(&monitor_lock);
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}

/*
 * @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
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monitor_qapi_event_throttle(QAPIEvent event, int64_t rate)
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{
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    MonitorQAPIEventState *evstate;
    assert(event < QAPI_EVENT_MAX);
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    evstate = &(monitor_qapi_event_state[event]);
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    trace_monitor_protocol_event_throttle(event, rate);
    evstate->event = event;
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    assert(rate * SCALE_MS <= INT64_MAX);
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    evstate->rate = rate * SCALE_MS;
    evstate->last = 0;
    evstate->data = NULL;
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    evstate->timer = timer_new(QEMU_CLOCK_REALTIME,
                               SCALE_MS,
                               monitor_qapi_event_handler,
                               evstate);
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}

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static void monitor_qapi_event_init(void)
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{
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    /* Limit guest-triggerable events to 1 per second */
    monitor_qapi_event_throttle(QAPI_EVENT_RTC_CHANGE, 1000);
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    monitor_qapi_event_throttle(QAPI_EVENT_WATCHDOG, 1000);
W
Wenchao Xia 已提交
586
    monitor_qapi_event_throttle(QAPI_EVENT_BALLOON_CHANGE, 1000);
W
Wenchao Xia 已提交
587 588
    monitor_qapi_event_throttle(QAPI_EVENT_QUORUM_REPORT_BAD, 1000);
    monitor_qapi_event_throttle(QAPI_EVENT_QUORUM_FAILURE, 1000);
589
    monitor_qapi_event_throttle(QAPI_EVENT_VSERPORT_CHANGE, 1000);
590

591
    qmp_event_set_func_emit(monitor_qapi_event_queue);
592 593
}

594 595
static int do_qmp_capabilities(Monitor *mon, const QDict *params,
                               QObject **ret_data)
596 597 598 599 600
{
    /* Will setup QMP capabilities in the future */
    if (monitor_ctrl_mode(mon)) {
        mon->mc->command_mode = 1;
    }
601 602

    return 0;
603 604
}

605 606
static void handle_user_command(Monitor *mon, const char *cmdline);

607 608 609
static void monitor_data_init(Monitor *mon)
{
    memset(mon, 0, sizeof(Monitor));
610
    qemu_mutex_init(&mon->out_lock);
611
    mon->outbuf = qstring_new();
612 613
    /* Use *mon_cmds by default. */
    mon->cmd_table = mon_cmds;
614 615 616 617 618
}

static void monitor_data_destroy(Monitor *mon)
{
    QDECREF(mon->outbuf);
619
    qemu_mutex_destroy(&mon->out_lock);
620 621
}

622 623
char *qmp_human_monitor_command(const char *command_line, bool has_cpu_index,
                                int64_t cpu_index, Error **errp)
624
{
625
    char *output = NULL;
626 627
    Monitor *old_mon, hmp;

628
    monitor_data_init(&hmp);
629
    hmp.skip_flush = true;
630 631 632 633

    old_mon = cur_mon;
    cur_mon = &hmp;

634 635
    if (has_cpu_index) {
        int ret = monitor_set_cpu(cpu_index);
636 637
        if (ret < 0) {
            cur_mon = old_mon;
638 639
            error_set(errp, QERR_INVALID_PARAMETER_VALUE, "cpu-index",
                      "a CPU number");
640 641 642 643
            goto out;
        }
    }

644
    handle_user_command(&hmp, command_line);
645 646
    cur_mon = old_mon;

647
    qemu_mutex_lock(&hmp.out_lock);
648 649
    if (qstring_get_length(hmp.outbuf) > 0) {
        output = g_strdup(qstring_get_str(hmp.outbuf));
650 651
    } else {
        output = g_strdup("");
652
    }
653
    qemu_mutex_unlock(&hmp.out_lock);
654 655

out:
656
    monitor_data_destroy(&hmp);
657
    return output;
658 659
}

B
bellard 已提交
660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679
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;
}

680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747
static int get_str(char *buf, int buf_size, const char **pp)
{
    const char *p;
    char *q;
    int c;

    q = buf;
    p = *pp;
    while (qemu_isspace(*p)) {
        p++;
    }
    if (*p == '\0') {
    fail:
        *q = '\0';
        *pp = p;
        return -1;
    }
    if (*p == '\"') {
        p++;
        while (*p != '\0' && *p != '\"') {
            if (*p == '\\') {
                p++;
                c = *p++;
                switch (c) {
                case 'n':
                    c = '\n';
                    break;
                case 'r':
                    c = '\r';
                    break;
                case '\\':
                case '\'':
                case '\"':
                    break;
                default:
                    qemu_printf("unsupported escape code: '\\%c'\n", c);
                    goto fail;
                }
                if ((q - buf) < buf_size - 1) {
                    *q++ = c;
                }
            } else {
                if ((q - buf) < buf_size - 1) {
                    *q++ = *p;
                }
                p++;
            }
        }
        if (*p != '\"') {
            qemu_printf("unterminated string\n");
            goto fail;
        }
        p++;
    } else {
        while (*p != '\0' && !qemu_isspace(*p)) {
            if ((q - buf) < buf_size - 1) {
                *q++ = *p;
            }
            p++;
        }
    }
    *q = '\0';
    *pp = p;
    return 0;
}

#define MAX_ARGS 16

W
Wenchao Xia 已提交
748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774
static void free_cmdline_args(char **args, int nb_args)
{
    int i;

    assert(nb_args <= MAX_ARGS);

    for (i = 0; i < nb_args; i++) {
        g_free(args[i]);
    }

}

/*
 * Parse the command line to get valid args.
 * @cmdline: command line to be parsed.
 * @pnb_args: location to store the number of args, must NOT be NULL.
 * @args: location to store the args, which should be freed by caller, must
 *        NOT be NULL.
 *
 * Returns 0 on success, negative on failure.
 *
 * NOTE: this parser is an approximate form of the real command parser. Number
 *       of args have a limit of MAX_ARGS. If cmdline contains more, it will
 *       return with failure.
 */
static int parse_cmdline(const char *cmdline,
                         int *pnb_args, char **args)
775 776 777 778 779 780 781 782 783 784 785 786 787 788 789
{
    const char *p;
    int nb_args, ret;
    char buf[1024];

    p = cmdline;
    nb_args = 0;
    for (;;) {
        while (qemu_isspace(*p)) {
            p++;
        }
        if (*p == '\0') {
            break;
        }
        if (nb_args >= MAX_ARGS) {
W
Wenchao Xia 已提交
790
            goto fail;
791 792 793
        }
        ret = get_str(buf, sizeof(buf), &p);
        if (ret < 0) {
W
Wenchao Xia 已提交
794
            goto fail;
795
        }
W
Wenchao Xia 已提交
796 797
        args[nb_args] = g_strdup(buf);
        nb_args++;
798 799
    }
    *pnb_args = nb_args;
W
Wenchao Xia 已提交
800 801 802 803 804
    return 0;

 fail:
    free_cmdline_args(args, nb_args);
    return -1;
805 806
}

807 808 809 810 811 812 813 814 815 816 817 818 819 820
static void help_cmd_dump_one(Monitor *mon,
                              const mon_cmd_t *cmd,
                              char **prefix_args,
                              int prefix_args_nb)
{
    int i;

    for (i = 0; i < prefix_args_nb; i++) {
        monitor_printf(mon, "%s ", prefix_args[i]);
    }
    monitor_printf(mon, "%s %s -- %s\n", cmd->name, cmd->params, cmd->help);
}

/* @args[@arg_index] is the valid command need to find in @cmds */
A
Anthony Liguori 已提交
821
static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
822
                          char **args, int nb_args, int arg_index)
B
bellard 已提交
823
{
A
Anthony Liguori 已提交
824
    const mon_cmd_t *cmd;
B
bellard 已提交
825

826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845
    /* No valid arg need to compare with, dump all in *cmds */
    if (arg_index >= nb_args) {
        for (cmd = cmds; cmd->name != NULL; cmd++) {
            help_cmd_dump_one(mon, cmd, args, arg_index);
        }
        return;
    }

    /* Find one entry to dump */
    for (cmd = cmds; cmd->name != NULL; cmd++) {
        if (compare_cmd(args[arg_index], cmd->name)) {
            if (cmd->sub_table) {
                /* continue with next arg */
                help_cmd_dump(mon, cmd->sub_table,
                              args, nb_args, arg_index + 1);
            } else {
                help_cmd_dump_one(mon, cmd, args, arg_index);
            }
            break;
        }
B
bellard 已提交
846 847 848
    }
}

A
aliguori 已提交
849
static void help_cmd(Monitor *mon, const char *name)
B
bellard 已提交
850
{
851 852 853 854 855 856 857
    char *args[MAX_ARGS];
    int nb_args = 0;

    /* 1. parse user input */
    if (name) {
        /* special case for log, directly dump and return */
        if (!strcmp(name, "log")) {
858
            const QEMULogItem *item;
A
aliguori 已提交
859 860
            monitor_printf(mon, "Log items (comma separated):\n");
            monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
861
            for (item = qemu_log_items; item->mask != 0; item++) {
A
aliguori 已提交
862
                monitor_printf(mon, "%-10s %s\n", item->name, item->help);
863
            }
864 865 866 867 868
            return;
        }

        if (parse_cmdline(name, &nb_args, args) < 0) {
            return;
869
        }
B
bellard 已提交
870
    }
871 872 873 874 875

    /* 2. dump the contents according to parsed args */
    help_cmd_dump(mon, mon->cmd_table, args, nb_args, 0);

    free_cmdline_args(args, nb_args);
B
bellard 已提交
876 877
}

878
static void do_help_cmd(Monitor *mon, const QDict *qdict)
879
{
880
    help_cmd(mon, qdict_get_try_str(qdict, "name"));
881 882
}

883
static void hmp_trace_event(Monitor *mon, const QDict *qdict)
884 885 886
{
    const char *tp_name = qdict_get_str(qdict, "name");
    bool new_state = qdict_get_bool(qdict, "option");
887
    Error *local_err = NULL;
888

889 890
    qmp_trace_event_set_state(tp_name, new_state, true, true, &local_err);
    if (local_err) {
891
        error_report_err(local_err);
892
    }
893
}
894

M
Michael Roth 已提交
895
#ifdef CONFIG_TRACE_SIMPLE
896
static void hmp_trace_file(Monitor *mon, const QDict *qdict)
897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917
{
    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");
    }
}
918 919
#endif

920 921 922 923 924 925 926 927
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);
928
    g_free(data);
929 930 931 932 933 934 935
}

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

936 937
static int qmp_async_cmd_handler(Monitor *mon, const mon_cmd_t *cmd,
                                 const QDict *params)
938
{
939
    return cmd->mhandler.cmd_async(mon, params, qmp_monitor_complete, mon);
940 941 942 943 944 945 946
}

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

947
    MonitorCompletionData *cb_data = g_malloc(sizeof(*cb_data));
948 949 950 951 952 953 954
    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);
955
        g_free(cb_data);
956 957 958
    }
}

959
static void hmp_info_help(Monitor *mon, const QDict *qdict)
B
bellard 已提交
960
{
961
    help_cmd(mon, "info");
B
bellard 已提交
962 963
}

L
Luiz Capitulino 已提交
964
CommandInfoList *qmp_query_commands(Error **errp)
965
{
L
Luiz Capitulino 已提交
966
    CommandInfoList *info, *cmd_list = NULL;
967 968
    const mon_cmd_t *cmd;

969
    for (cmd = qmp_cmds; cmd->name != NULL; cmd++) {
970 971 972
        info = g_malloc0(sizeof(*info));
        info->value = g_malloc0(sizeof(*info->value));
        info->value->name = g_strdup(cmd->name);
973

L
Luiz Capitulino 已提交
974 975
        info->next = cmd_list;
        cmd_list = info;
976 977
    }

L
Luiz Capitulino 已提交
978
    return cmd_list;
979 980
}

981 982 983
EventInfoList *qmp_query_events(Error **errp)
{
    EventInfoList *info, *ev_list = NULL;
W
Wenchao Xia 已提交
984
    QAPIEvent e;
985

W
Wenchao Xia 已提交
986 987
    for (e = 0 ; e < QAPI_EVENT_MAX ; e++) {
        const char *event_name = QAPIEvent_lookup[e];
988 989 990 991 992 993 994 995 996 997 998 999
        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;
}

1000 1001
/* set the current CPU defined by the user */
int monitor_set_cpu(int cpu_index)
B
bellard 已提交
1002
{
1003
    CPUState *cpu;
B
bellard 已提交
1004

1005 1006 1007
    cpu = qemu_get_cpu(cpu_index);
    if (cpu == NULL) {
        return -1;
B
bellard 已提交
1008
    }
1009
    cur_mon->mon_cpu = cpu;
1010
    return 0;
B
bellard 已提交
1011 1012
}

1013
static CPUArchState *mon_get_cpu(void)
B
bellard 已提交
1014
{
1015
    if (!cur_mon->mon_cpu) {
1016
        monitor_set_cpu(0);
B
bellard 已提交
1017
    }
1018
    cpu_synchronize_state(cur_mon->mon_cpu);
1019
    return cur_mon->mon_cpu->env_ptr;
B
bellard 已提交
1020 1021
}

1022 1023
int monitor_get_cpu_index(void)
{
1024 1025
    CPUState *cpu = ENV_GET_CPU(mon_get_cpu());
    return cpu->cpu_index;
1026 1027
}

1028
static void hmp_info_registers(Monitor *mon, const QDict *qdict)
1029
{
1030
    CPUState *cpu;
1031
    CPUArchState *env;
B
bellard 已提交
1032
    env = mon_get_cpu();
1033 1034
    cpu = ENV_GET_CPU(env);
    cpu_dump_state(cpu, (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU);
1035 1036
}

1037
static void hmp_info_jit(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1038
{
A
aliguori 已提交
1039
    dump_exec_info((FILE *)mon, monitor_fprintf);
1040
    dump_drift_info((FILE *)mon, monitor_fprintf);
B
bellard 已提交
1041 1042
}

1043
static void hmp_info_opcount(Monitor *mon, const QDict *qdict)
1044 1045 1046 1047
{
    dump_opcount_info((FILE *)mon, monitor_fprintf);
}

1048
static void hmp_info_history(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1049 1050
{
    int i;
1051
    const char *str;
1052

1053 1054
    if (!mon->rs)
        return;
1055 1056
    i = 0;
    for(;;) {
1057
        str = readline_get_history(mon->rs, i);
1058 1059
        if (!str)
            break;
A
aliguori 已提交
1060
        monitor_printf(mon, "%d: '%s'\n", i, str);
B
bellard 已提交
1061
        i++;
B
bellard 已提交
1062 1063 1064
    }
}

1065
static void hmp_info_cpustats(Monitor *mon, const QDict *qdict)
1066
{
1067
    CPUState *cpu;
1068
    CPUArchState *env;
1069 1070

    env = mon_get_cpu();
1071 1072
    cpu = ENV_GET_CPU(env);
    cpu_dump_statistics(cpu, (FILE *)mon, &monitor_fprintf, 0);
1073 1074
}

1075
static void hmp_info_trace_events(Monitor *mon, const QDict *qdict)
1076
{
1077 1078 1079 1080 1081 1082 1083 1084 1085
    TraceEventInfoList *events = qmp_trace_event_get_state("*", NULL);
    TraceEventInfoList *elem;

    for (elem = events; elem != NULL; elem = elem->next) {
        monitor_printf(mon, "%s : state %u\n",
                       elem->value->name,
                       elem->value->state == TRACE_EVENT_STATE_ENABLED ? 1 : 0);
    }
    qapi_free_TraceEventInfoList(events);
1086 1087
}

1088 1089
static int client_migrate_info(Monitor *mon, const QDict *qdict,
                               MonitorCompletion cb, void *opaque)
G
Gerd Hoffmann 已提交
1090 1091 1092 1093 1094 1095
{
    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);
1096
    Error *err = NULL;
G
Gerd Hoffmann 已提交
1097 1098 1099
    int ret;

    if (strcmp(protocol, "spice") == 0) {
1100 1101
        if (!qemu_using_spice(&err)) {
            qerror_report_err(err);
1102
            error_free(err);
G
Gerd Hoffmann 已提交
1103 1104 1105
            return -1;
        }

1106 1107 1108 1109 1110
        if (port == -1 && tls_port == -1) {
            qerror_report(QERR_MISSING_PARAMETER, "port/tls-port");
            return -1;
        }

1111 1112
        ret = qemu_spice_migrate_info(hostname, port, tls_port, subject,
                                      cb, opaque);
G
Gerd Hoffmann 已提交
1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123
        if (ret != 0) {
            qerror_report(QERR_UNDEFINED_ERROR);
            return -1;
        }
        return 0;
    }

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

1124
static void hmp_logfile(Monitor *mon, const QDict *qdict)
P
pbrook 已提交
1125
{
1126
    qemu_set_log_filename(qdict_get_str(qdict, "filename"));
P
pbrook 已提交
1127 1128
}

1129
static void hmp_log(Monitor *mon, const QDict *qdict)
1130 1131
{
    int mask;
1132
    const char *items = qdict_get_str(qdict, "items");
1133

1134
    if (!strcmp(items, "none")) {
1135 1136
        mask = 0;
    } else {
1137
        mask = qemu_str_to_log_mask(items);
1138
        if (!mask) {
A
aliguori 已提交
1139
            help_cmd(mon, "log");
1140 1141 1142
            return;
        }
    }
1143
    qemu_set_log(mask);
1144 1145
}

1146
static void hmp_singlestep(Monitor *mon, const QDict *qdict)
1147
{
1148
    const char *option = qdict_get_try_str(qdict, "option");
1149 1150 1151 1152 1153 1154 1155 1156 1157
    if (!option || !strcmp(option, "on")) {
        singlestep = 1;
    } else if (!strcmp(option, "off")) {
        singlestep = 0;
    } else {
        monitor_printf(mon, "unexpected option %s\n", option);
    }
}

1158
static void hmp_gdbserver(Monitor *mon, const QDict *qdict)
1159
{
1160
    const char *device = qdict_get_try_str(qdict, "device");
1161 1162 1163 1164 1165 1166
    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) {
1167
        monitor_printf(mon, "Disabled gdbserver\n");
1168
    } else {
1169 1170
        monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
                       device);
1171 1172 1173
    }
}

1174
static void hmp_watchdog_action(Monitor *mon, const QDict *qdict)
R
Richard W.M. Jones 已提交
1175
{
1176
    const char *action = qdict_get_str(qdict, "action");
R
Richard W.M. Jones 已提交
1177 1178 1179 1180 1181
    if (select_watchdog_action(action) == -1) {
        monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
    }
}

A
aliguori 已提交
1182
static void monitor_printc(Monitor *mon, int c)
1183
{
A
aliguori 已提交
1184
    monitor_printf(mon, "'");
1185 1186
    switch(c) {
    case '\'':
A
aliguori 已提交
1187
        monitor_printf(mon, "\\'");
1188 1189
        break;
    case '\\':
A
aliguori 已提交
1190
        monitor_printf(mon, "\\\\");
1191 1192
        break;
    case '\n':
A
aliguori 已提交
1193
        monitor_printf(mon, "\\n");
1194 1195
        break;
    case '\r':
A
aliguori 已提交
1196
        monitor_printf(mon, "\\r");
1197 1198 1199
        break;
    default:
        if (c >= 32 && c <= 126) {
A
aliguori 已提交
1200
            monitor_printf(mon, "%c", c);
1201
        } else {
A
aliguori 已提交
1202
            monitor_printf(mon, "\\x%02x", c);
1203 1204 1205
        }
        break;
    }
A
aliguori 已提交
1206
    monitor_printf(mon, "'");
1207 1208
}

A
aliguori 已提交
1209
static void memory_dump(Monitor *mon, int count, int format, int wsize,
A
Avi Kivity 已提交
1210
                        hwaddr addr, int is_physical)
1211
{
1212
    CPUArchState *env;
1213
    int l, line_size, i, max_digits, len;
1214 1215 1216 1217 1218 1219
    uint8_t buf[16];
    uint64_t v;

    if (format == 'i') {
        int flags;
        flags = 0;
B
bellard 已提交
1220
        env = mon_get_cpu();
1221
#ifdef TARGET_I386
1222
        if (wsize == 2) {
1223
            flags = 1;
1224 1225 1226
        } else if (wsize == 4) {
            flags = 0;
        } else {
B
bellard 已提交
1227
            /* as default we use the current CS size */
1228
            flags = 0;
B
bellard 已提交
1229 1230
            if (env) {
#ifdef TARGET_X86_64
1231
                if ((env->efer & MSR_EFER_LMA) &&
B
bellard 已提交
1232 1233 1234 1235 1236 1237 1238
                    (env->segs[R_CS].flags & DESC_L_MASK))
                    flags = 2;
                else
#endif
                if (!(env->segs[R_CS].flags & DESC_B_MASK))
                    flags = 1;
            }
1239
        }
1240 1241 1242 1243
#endif
#ifdef TARGET_PPC
        flags = msr_le << 16;
        flags |= env->bfd_mach;
1244
#endif
A
aliguori 已提交
1245
        monitor_disas(mon, env, addr, count, is_physical, flags);
1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273
        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) {
1274
        if (is_physical)
A
aliguori 已提交
1275
            monitor_printf(mon, TARGET_FMT_plx ":", addr);
1276
        else
A
aliguori 已提交
1277
            monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1278 1279 1280 1281
        l = len;
        if (l > line_size)
            l = line_size;
        if (is_physical) {
1282
            cpu_physical_memory_read(addr, buf, l);
1283
        } else {
B
bellard 已提交
1284
            env = mon_get_cpu();
1285
            if (cpu_memory_rw_debug(ENV_GET_CPU(env), addr, buf, l, 0) < 0) {
A
aliguori 已提交
1286
                monitor_printf(mon, " Cannot access memory\n");
1287 1288
                break;
            }
1289
        }
1290
        i = 0;
1291 1292 1293 1294
        while (i < l) {
            switch(wsize) {
            default:
            case 1:
1295
                v = ldub_p(buf + i);
1296 1297
                break;
            case 2:
1298
                v = lduw_p(buf + i);
1299 1300
                break;
            case 4:
1301
                v = (uint32_t)ldl_p(buf + i);
1302 1303
                break;
            case 8:
1304
                v = ldq_p(buf + i);
1305 1306
                break;
            }
A
aliguori 已提交
1307
            monitor_printf(mon, " ");
1308 1309
            switch(format) {
            case 'o':
A
aliguori 已提交
1310
                monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1311 1312
                break;
            case 'x':
A
aliguori 已提交
1313
                monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1314 1315
                break;
            case 'u':
A
aliguori 已提交
1316
                monitor_printf(mon, "%*" PRIu64, max_digits, v);
1317 1318
                break;
            case 'd':
A
aliguori 已提交
1319
                monitor_printf(mon, "%*" PRId64, max_digits, v);
1320 1321
                break;
            case 'c':
A
aliguori 已提交
1322
                monitor_printc(mon, v);
1323 1324 1325 1326
                break;
            }
            i += wsize;
        }
A
aliguori 已提交
1327
        monitor_printf(mon, "\n");
1328 1329 1330 1331 1332
        addr += l;
        len -= l;
    }
}

1333
static void hmp_memory_dump(Monitor *mon, const QDict *qdict)
1334
{
1335 1336 1337 1338 1339
    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
1340
    memory_dump(mon, count, format, size, addr, 0);
1341 1342
}

1343
static void hmp_physical_memory_dump(Monitor *mon, const QDict *qdict)
1344
{
1345 1346 1347
    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
1348
    hwaddr addr = qdict_get_int(qdict, "addr");
1349

A
aliguori 已提交
1350
    memory_dump(mon, count, format, size, addr, 1);
1351 1352
}

1353
static void do_print(Monitor *mon, const QDict *qdict)
1354
{
1355
    int format = qdict_get_int(qdict, "format");
A
Avi Kivity 已提交
1356
    hwaddr val = qdict_get_int(qdict, "val");
1357

1358 1359
    switch(format) {
    case 'o':
A
Avi Kivity 已提交
1360
        monitor_printf(mon, "%#" HWADDR_PRIo, val);
1361 1362
        break;
    case 'x':
A
Avi Kivity 已提交
1363
        monitor_printf(mon, "%#" HWADDR_PRIx, val);
1364 1365
        break;
    case 'u':
A
Avi Kivity 已提交
1366
        monitor_printf(mon, "%" HWADDR_PRIu, val);
1367 1368 1369
        break;
    default:
    case 'd':
A
Avi Kivity 已提交
1370
        monitor_printf(mon, "%" HWADDR_PRId, val);
1371 1372
        break;
    case 'c':
A
aliguori 已提交
1373
        monitor_printc(mon, val);
1374 1375
        break;
    }
A
aliguori 已提交
1376
    monitor_printf(mon, "\n");
1377 1378
}

1379
static void hmp_sum(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1380 1381 1382
{
    uint32_t addr;
    uint16_t sum;
1383 1384
    uint32_t start = qdict_get_int(qdict, "start");
    uint32_t size = qdict_get_int(qdict, "size");
B
bellard 已提交
1385 1386 1387

    sum = 0;
    for(addr = start; addr < (start + size); addr++) {
1388
        uint8_t val = ldub_phys(&address_space_memory, addr);
B
bellard 已提交
1389 1390
        /* BSD sum algorithm ('sum' Unix command) */
        sum = (sum >> 1) | (sum << 15);
1391
        sum += val;
B
bellard 已提交
1392
    }
A
aliguori 已提交
1393
    monitor_printf(mon, "%05d\n", sum);
B
bellard 已提交
1394 1395
}

B
bellard 已提交
1396 1397
static int mouse_button_state;

1398
static void hmp_mouse_move(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1399
{
1400
    int dx, dy, dz, button;
1401 1402 1403
    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");
1404

B
bellard 已提交
1405 1406
    dx = strtol(dx_str, NULL, 0);
    dy = strtol(dy_str, NULL, 0);
1407 1408 1409 1410
    qemu_input_queue_rel(NULL, INPUT_AXIS_X, dx);
    qemu_input_queue_rel(NULL, INPUT_AXIS_Y, dy);

    if (dz_str) {
B
bellard 已提交
1411
        dz = strtol(dz_str, NULL, 0);
1412 1413 1414 1415 1416 1417 1418 1419
        if (dz != 0) {
            button = (dz > 0) ? INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN;
            qemu_input_queue_btn(NULL, button, true);
            qemu_input_event_sync();
            qemu_input_queue_btn(NULL, button, false);
        }
    }
    qemu_input_event_sync();
B
bellard 已提交
1420 1421
}

1422
static void hmp_mouse_button(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1423
{
1424 1425 1426 1427 1428
    static uint32_t bmap[INPUT_BUTTON_MAX] = {
        [INPUT_BUTTON_LEFT]       = MOUSE_EVENT_LBUTTON,
        [INPUT_BUTTON_MIDDLE]     = MOUSE_EVENT_MBUTTON,
        [INPUT_BUTTON_RIGHT]      = MOUSE_EVENT_RBUTTON,
    };
1429
    int button_state = qdict_get_int(qdict, "button_state");
1430 1431 1432 1433 1434 1435

    if (mouse_button_state == button_state) {
        return;
    }
    qemu_input_update_buttons(NULL, bmap, mouse_button_state, button_state);
    qemu_input_event_sync();
B
bellard 已提交
1436 1437 1438
    mouse_button_state = button_state;
}

1439
static void hmp_ioport_read(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1440
{
1441 1442 1443
    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
1444 1445 1446 1447
    uint32_t val;
    int suffix;

    if (has_index) {
1448
        int index = qdict_get_int(qdict, "index");
1449
        cpu_outb(addr & IOPORTS_MASK, index & 0xff);
B
bellard 已提交
1450 1451 1452 1453 1454 1455 1456
        addr++;
    }
    addr &= 0xffff;

    switch(size) {
    default:
    case 1:
1457
        val = cpu_inb(addr);
B
bellard 已提交
1458 1459 1460
        suffix = 'b';
        break;
    case 2:
1461
        val = cpu_inw(addr);
B
bellard 已提交
1462 1463 1464
        suffix = 'w';
        break;
    case 4:
1465
        val = cpu_inl(addr);
B
bellard 已提交
1466 1467 1468
        suffix = 'l';
        break;
    }
A
aliguori 已提交
1469 1470
    monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
                   suffix, addr, size * 2, val);
B
bellard 已提交
1471
}
B
bellard 已提交
1472

1473
static void hmp_ioport_write(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
1474
{
1475 1476 1477 1478
    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
1479 1480 1481 1482 1483
    addr &= IOPORTS_MASK;

    switch (size) {
    default:
    case 1:
1484
        cpu_outb(addr, val);
J
Jan Kiszka 已提交
1485 1486
        break;
    case 2:
1487
        cpu_outw(addr, val);
J
Jan Kiszka 已提交
1488 1489
        break;
    case 4:
1490
        cpu_outl(addr, val);
J
Jan Kiszka 已提交
1491 1492 1493 1494
        break;
    }
}

1495
static void hmp_boot_set(Monitor *mon, const QDict *qdict)
1496
{
1497
    Error *local_err = NULL;
1498
    const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1499

1500 1501 1502 1503
    qemu_boot_set(bootdevice, &local_err);
    if (local_err) {
        monitor_printf(mon, "%s\n", error_get_pretty(local_err));
        error_free(local_err);
1504
    } else {
1505
        monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
1506 1507 1508
    }
}

B
bellard 已提交
1509
#if defined(TARGET_I386)
A
Avi Kivity 已提交
1510 1511 1512
static void print_pte(Monitor *mon, hwaddr addr,
                      hwaddr pte,
                      hwaddr mask)
B
bellard 已提交
1513
{
1514 1515 1516 1517 1518 1519 1520
#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
1521 1522
                   addr,
                   pte & mask,
1523
                   pte & PG_NX_MASK ? 'X' : '-',
A
aliguori 已提交
1524 1525 1526 1527 1528 1529 1530 1531
                   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
1532 1533
}

1534
static void tlb_info_32(Monitor *mon, CPUArchState *env)
B
bellard 已提交
1535
{
1536
    unsigned int l1, l2;
B
bellard 已提交
1537 1538 1539 1540
    uint32_t pgd, pde, pte;

    pgd = env->cr[3] & ~0xfff;
    for(l1 = 0; l1 < 1024; l1++) {
1541
        cpu_physical_memory_read(pgd + l1 * 4, &pde, 4);
B
bellard 已提交
1542 1543 1544
        pde = le32_to_cpu(pde);
        if (pde & PG_PRESENT_MASK) {
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1545 1546
                /* 4M pages */
                print_pte(mon, (l1 << 22), pde, ~((1 << 21) - 1));
B
bellard 已提交
1547 1548
            } else {
                for(l2 = 0; l2 < 1024; l2++) {
1549
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4, &pte, 4);
B
bellard 已提交
1550 1551
                    pte = le32_to_cpu(pte);
                    if (pte & PG_PRESENT_MASK) {
A
aliguori 已提交
1552
                        print_pte(mon, (l1 << 22) + (l2 << 12),
1553
                                  pte & ~PG_PSE_MASK,
B
bellard 已提交
1554 1555 1556 1557 1558 1559 1560 1561
                                  ~0xfff);
                    }
                }
            }
        }
    }
}

1562
static void tlb_info_pae32(Monitor *mon, CPUArchState *env)
1563
{
1564
    unsigned int l1, l2, l3;
1565 1566 1567 1568 1569
    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++) {
1570
        cpu_physical_memory_read(pdp_addr + l1 * 8, &pdpe, 8);
1571 1572 1573 1574
        pdpe = le64_to_cpu(pdpe);
        if (pdpe & PG_PRESENT_MASK) {
            pd_addr = pdpe & 0x3fffffffff000ULL;
            for (l2 = 0; l2 < 512; l2++) {
1575
                cpu_physical_memory_read(pd_addr + l2 * 8, &pde, 8);
1576 1577 1578 1579 1580
                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
1581
                                  ~((hwaddr)(1 << 20) - 1));
1582 1583 1584
                    } else {
                        pt_addr = pde & 0x3fffffffff000ULL;
                        for (l3 = 0; l3 < 512; l3++) {
1585
                            cpu_physical_memory_read(pt_addr + l3 * 8, &pte, 8);
1586 1587 1588 1589 1590
                            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
1591
                                          ~(hwaddr)0xfff);
1592 1593 1594 1595 1596 1597 1598 1599 1600 1601
                            }
                        }
                    }
                }
            }
        }
    }
}

#ifdef TARGET_X86_64
1602
static void tlb_info_64(Monitor *mon, CPUArchState *env)
1603 1604 1605 1606 1607 1608 1609
{
    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++) {
1610
        cpu_physical_memory_read(pml4_addr + l1 * 8, &pml4e, 8);
1611 1612 1613 1614
        pml4e = le64_to_cpu(pml4e);
        if (pml4e & PG_PRESENT_MASK) {
            pdp_addr = pml4e & 0x3fffffffff000ULL;
            for (l2 = 0; l2 < 512; l2++) {
1615
                cpu_physical_memory_read(pdp_addr + l2 * 8, &pdpe, 8);
1616 1617 1618 1619 1620 1621 1622 1623 1624
                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++) {
1625
                            cpu_physical_memory_read(pd_addr + l3 * 8, &pde, 8);
1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637
                            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,
1638
                                                                 &pte, 8);
1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658
                                        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

1659
static void hmp_info_tlb(Monitor *mon, const QDict *qdict)
1660
{
1661
    CPUArchState *env;
1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682

    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
1683
static void mem_print(Monitor *mon, hwaddr *pstart,
1684
                      int *plast_prot,
A
Avi Kivity 已提交
1685
                      hwaddr end, int prot)
B
bellard 已提交
1686
{
B
bellard 已提交
1687 1688 1689
    int prot1;
    prot1 = *plast_prot;
    if (prot != prot1) {
B
bellard 已提交
1690
        if (*pstart != -1) {
1691 1692
            monitor_printf(mon, TARGET_FMT_plx "-" TARGET_FMT_plx " "
                           TARGET_FMT_plx " %c%c%c\n",
A
aliguori 已提交
1693 1694 1695 1696
                           *pstart, end, end - *pstart,
                           prot1 & PG_USER_MASK ? 'u' : '-',
                           'r',
                           prot1 & PG_RW_MASK ? 'w' : '-');
B
bellard 已提交
1697 1698 1699 1700 1701 1702 1703 1704 1705
        }
        if (prot != 0)
            *pstart = end;
        else
            *pstart = -1;
        *plast_prot = prot;
    }
}

1706
static void mem_info_32(Monitor *mon, CPUArchState *env)
B
bellard 已提交
1707
{
1708 1709
    unsigned int l1, l2;
    int prot, last_prot;
1710
    uint32_t pgd, pde, pte;
A
Avi Kivity 已提交
1711
    hwaddr start, end;
B
bellard 已提交
1712

B
bellard 已提交
1713 1714 1715 1716
    pgd = env->cr[3] & ~0xfff;
    last_prot = 0;
    start = -1;
    for(l1 = 0; l1 < 1024; l1++) {
1717
        cpu_physical_memory_read(pgd + l1 * 4, &pde, 4);
B
bellard 已提交
1718 1719 1720 1721 1722
        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
1723
                mem_print(mon, &start, &last_prot, end, prot);
B
bellard 已提交
1724 1725
            } else {
                for(l2 = 0; l2 < 1024; l2++) {
1726
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4, &pte, 4);
B
bellard 已提交
1727 1728 1729
                    pte = le32_to_cpu(pte);
                    end = (l1 << 22) + (l2 << 12);
                    if (pte & PG_PRESENT_MASK) {
1730 1731
                        prot = pte & pde &
                            (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
B
bellard 已提交
1732 1733 1734
                    } else {
                        prot = 0;
                    }
A
aliguori 已提交
1735
                    mem_print(mon, &start, &last_prot, end, prot);
B
bellard 已提交
1736 1737 1738 1739
                }
            }
        } else {
            prot = 0;
A
aliguori 已提交
1740
            mem_print(mon, &start, &last_prot, end, prot);
B
bellard 已提交
1741 1742
        }
    }
1743
    /* Flush last range */
A
Avi Kivity 已提交
1744
    mem_print(mon, &start, &last_prot, (hwaddr)1 << 32, 0);
B
bellard 已提交
1745
}
1746

1747
static void mem_info_pae32(Monitor *mon, CPUArchState *env)
1748
{
1749 1750
    unsigned int l1, l2, l3;
    int prot, last_prot;
1751 1752
    uint64_t pdpe, pde, pte;
    uint64_t pdp_addr, pd_addr, pt_addr;
A
Avi Kivity 已提交
1753
    hwaddr start, end;
1754 1755 1756 1757 1758

    pdp_addr = env->cr[3] & ~0x1f;
    last_prot = 0;
    start = -1;
    for (l1 = 0; l1 < 4; l1++) {
1759
        cpu_physical_memory_read(pdp_addr + l1 * 8, &pdpe, 8);
1760 1761 1762 1763 1764
        pdpe = le64_to_cpu(pdpe);
        end = l1 << 30;
        if (pdpe & PG_PRESENT_MASK) {
            pd_addr = pdpe & 0x3fffffffff000ULL;
            for (l2 = 0; l2 < 512; l2++) {
1765
                cpu_physical_memory_read(pd_addr + l2 * 8, &pde, 8);
1766 1767 1768 1769 1770 1771 1772 1773 1774 1775
                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++) {
1776
                            cpu_physical_memory_read(pt_addr + l3 * 8, &pte, 8);
1777 1778 1779
                            pte = le64_to_cpu(pte);
                            end = (l1 << 30) + (l2 << 21) + (l3 << 12);
                            if (pte & PG_PRESENT_MASK) {
1780 1781
                                prot = pte & pde & (PG_USER_MASK | PG_RW_MASK |
                                                    PG_PRESENT_MASK);
1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797
                            } 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);
        }
    }
1798
    /* Flush last range */
A
Avi Kivity 已提交
1799
    mem_print(mon, &start, &last_prot, (hwaddr)1 << 32, 0);
1800 1801 1802 1803
}


#ifdef TARGET_X86_64
1804
static void mem_info_64(Monitor *mon, CPUArchState *env)
1805 1806 1807 1808 1809 1810 1811 1812 1813 1814
{
    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++) {
1815
        cpu_physical_memory_read(pml4_addr + l1 * 8, &pml4e, 8);
1816 1817 1818 1819 1820
        pml4e = le64_to_cpu(pml4e);
        end = l1 << 39;
        if (pml4e & PG_PRESENT_MASK) {
            pdp_addr = pml4e & 0x3fffffffff000ULL;
            for (l2 = 0; l2 < 512; l2++) {
1821
                cpu_physical_memory_read(pdp_addr + l2 * 8, &pdpe, 8);
1822 1823 1824 1825
                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
1826 1827
                        prot = pdpe & (PG_USER_MASK | PG_RW_MASK |
                                       PG_PRESENT_MASK);
1828
                        prot &= pml4e;
1829 1830 1831 1832
                        mem_print(mon, &start, &last_prot, end, prot);
                    } else {
                        pd_addr = pdpe & 0x3fffffffff000ULL;
                        for (l3 = 0; l3 < 512; l3++) {
1833
                            cpu_physical_memory_read(pd_addr + l3 * 8, &pde, 8);
1834 1835 1836 1837 1838 1839
                            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);
1840
                                    prot &= pml4e & pdpe;
1841 1842 1843 1844 1845 1846
                                    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,
1847
                                                                 &pte, 8);
1848 1849 1850 1851 1852 1853
                                        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);
1854
                                            prot &= pml4e & pdpe & pde;
1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876
                                        } 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);
        }
    }
1877
    /* Flush last range */
A
Avi Kivity 已提交
1878
    mem_print(mon, &start, &last_prot, (hwaddr)1 << 48, 0);
1879 1880 1881
}
#endif

1882
static void hmp_info_mem(Monitor *mon, const QDict *qdict)
1883
{
1884
    CPUArchState *env;
1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904

    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
1905 1906
#endif

A
aurel32 已提交
1907 1908
#if defined(TARGET_SH4)

A
aliguori 已提交
1909
static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
A
aurel32 已提交
1910
{
A
aliguori 已提交
1911 1912 1913 1914 1915 1916 1917 1918
    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
1919 1920
}

1921
static void hmp_info_tlb(Monitor *mon, const QDict *qdict)
A
aurel32 已提交
1922
{
1923
    CPUArchState *env = mon_get_cpu();
A
aurel32 已提交
1924 1925
    int i;

A
aliguori 已提交
1926
    monitor_printf (mon, "ITLB:\n");
A
aurel32 已提交
1927
    for (i = 0 ; i < ITLB_SIZE ; i++)
A
aliguori 已提交
1928 1929
        print_tlb (mon, i, &env->itlb[i]);
    monitor_printf (mon, "UTLB:\n");
A
aurel32 已提交
1930
    for (i = 0 ; i < UTLB_SIZE ; i++)
A
aliguori 已提交
1931
        print_tlb (mon, i, &env->utlb[i]);
A
aurel32 已提交
1932 1933 1934 1935
}

#endif

1936
#if defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_XTENSA)
1937
static void hmp_info_tlb(Monitor *mon, const QDict *qdict)
1938
{
1939
    CPUArchState *env1 = mon_get_cpu();
1940 1941 1942 1943 1944

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

1945
static void hmp_info_mtree(Monitor *mon, const QDict *qdict)
B
Blue Swirl 已提交
1946 1947 1948 1949
{
    mtree_info((fprintf_function)monitor_printf, mon);
}

1950
static void hmp_info_numa(Monitor *mon, const QDict *qdict)
1951
{
1952
    int i;
1953
    CPUState *cpu;
1954
    uint64_t *node_mem;
1955

1956 1957
    node_mem = g_new0(uint64_t, nb_numa_nodes);
    query_numa_node_mem(node_mem);
1958 1959 1960
    monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
    for (i = 0; i < nb_numa_nodes; i++) {
        monitor_printf(mon, "node %d cpus:", i);
A
Andreas Färber 已提交
1961
        CPU_FOREACH(cpu) {
1962
            if (cpu->numa_node == i) {
1963
                monitor_printf(mon, " %d", cpu->cpu_index);
1964 1965 1966 1967
            }
        }
        monitor_printf(mon, "\n");
        monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
1968
                       node_mem[i] >> 20);
1969
    }
1970
    g_free(node_mem);
1971 1972
}

B
bellard 已提交
1973 1974
#ifdef CONFIG_PROFILER

1975
int64_t tcg_time;
A
Aurelien Jarno 已提交
1976 1977
int64_t dev_time;

1978
static void hmp_info_profile(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1979
{
A
aliguori 已提交
1980
    monitor_printf(mon, "async time  %" PRId64 " (%0.3f)\n",
1981
                   dev_time, dev_time / (double)get_ticks_per_sec());
A
aliguori 已提交
1982
    monitor_printf(mon, "qemu time   %" PRId64 " (%0.3f)\n",
1983 1984
                   tcg_time, tcg_time / (double)get_ticks_per_sec());
    tcg_time = 0;
B
bellard 已提交
1985 1986 1987
    dev_time = 0;
}
#else
1988
static void hmp_info_profile(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1989
{
A
aliguori 已提交
1990
    monitor_printf(mon, "Internal profiler not compiled\n");
B
bellard 已提交
1991 1992 1993
}
#endif

B
bellard 已提交
1994
/* Capture support */
B
Blue Swirl 已提交
1995
static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
B
bellard 已提交
1996

1997
static void hmp_info_capture(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1998 1999 2000 2001 2002
{
    int i;
    CaptureState *s;

    for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
A
aliguori 已提交
2003
        monitor_printf(mon, "[%d]: ", i);
B
bellard 已提交
2004 2005 2006 2007
        s->ops.info (s->opaque);
    }
}

2008
static void hmp_stopcapture(Monitor *mon, const QDict *qdict)
B
bellard 已提交
2009 2010
{
    int i;
2011
    int n = qdict_get_int(qdict, "n");
B
bellard 已提交
2012 2013 2014 2015 2016
    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
2017
            QLIST_REMOVE (s, entries);
2018
            g_free (s);
B
bellard 已提交
2019 2020 2021 2022 2023
            return;
        }
    }
}

2024
static void hmp_wavcapture(Monitor *mon, const QDict *qdict)
2025 2026 2027 2028 2029 2030 2031 2032
{
    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
2033 2034
    CaptureState *s;

2035
    s = g_malloc0 (sizeof (*s));
B
bellard 已提交
2036 2037 2038 2039 2040 2041

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

    if (wav_start_capture (s, path, freq, bits, nchannels)) {
2042
        monitor_printf(mon, "Failed to add wave capture\n");
2043
        g_free (s);
2044
        return;
B
bellard 已提交
2045
    }
B
Blue Swirl 已提交
2046
    QLIST_INSERT_HEAD (&capture_head, s, entries);
B
bellard 已提交
2047 2048
}

J
Jan Kiszka 已提交
2049
static qemu_acl *find_acl(Monitor *mon, const char *name)
2050
{
J
Jan Kiszka 已提交
2051
    qemu_acl *acl = qemu_acl_find(name);
2052 2053

    if (!acl) {
J
Jan Kiszka 已提交
2054
        monitor_printf(mon, "acl: unknown list '%s'\n", name);
2055
    }
J
Jan Kiszka 已提交
2056 2057 2058
    return acl;
}

2059
static void hmp_acl_show(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
2060
{
2061
    const char *aclname = qdict_get_str(qdict, "aclname");
J
Jan Kiszka 已提交
2062 2063 2064
    qemu_acl *acl = find_acl(mon, aclname);
    qemu_acl_entry *entry;
    int i = 0;
2065

J
Jan Kiszka 已提交
2066
    if (acl) {
2067
        monitor_printf(mon, "policy: %s\n",
2068
                       acl->defaultDeny ? "deny" : "allow");
B
Blue Swirl 已提交
2069
        QTAILQ_FOREACH(entry, &acl->entries, next) {
2070 2071
            i++;
            monitor_printf(mon, "%d: %s %s\n", i,
J
Jan Kiszka 已提交
2072
                           entry->deny ? "deny" : "allow", entry->match);
2073
        }
J
Jan Kiszka 已提交
2074 2075 2076
    }
}

2077
static void hmp_acl_reset(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
2078
{
2079
    const char *aclname = qdict_get_str(qdict, "aclname");
J
Jan Kiszka 已提交
2080 2081 2082
    qemu_acl *acl = find_acl(mon, aclname);

    if (acl) {
2083 2084
        qemu_acl_reset(acl);
        monitor_printf(mon, "acl: removed all rules\n");
J
Jan Kiszka 已提交
2085 2086 2087
    }
}

2088
static void hmp_acl_policy(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
2089
{
2090 2091
    const char *aclname = qdict_get_str(qdict, "aclname");
    const char *policy = qdict_get_str(qdict, "policy");
J
Jan Kiszka 已提交
2092
    qemu_acl *acl = find_acl(mon, aclname);
2093

J
Jan Kiszka 已提交
2094 2095
    if (acl) {
        if (strcmp(policy, "allow") == 0) {
2096 2097
            acl->defaultDeny = 0;
            monitor_printf(mon, "acl: policy set to 'allow'\n");
J
Jan Kiszka 已提交
2098
        } else if (strcmp(policy, "deny") == 0) {
2099 2100 2101
            acl->defaultDeny = 1;
            monitor_printf(mon, "acl: policy set to 'deny'\n");
        } else {
J
Jan Kiszka 已提交
2102 2103
            monitor_printf(mon, "acl: unknown policy '%s', "
                           "expected 'deny' or 'allow'\n", policy);
2104
        }
J
Jan Kiszka 已提交
2105 2106
    }
}
2107

2108
static void hmp_acl_add(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
2109
{
2110 2111 2112 2113 2114
    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
2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125
    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);
2126 2127 2128 2129 2130 2131 2132 2133 2134 2135
            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
2136 2137
    }
}
2138

2139
static void hmp_acl_remove(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
2140
{
2141 2142
    const char *aclname = qdict_get_str(qdict, "aclname");
    const char *match = qdict_get_str(qdict, "match");
J
Jan Kiszka 已提交
2143 2144
    qemu_acl *acl = find_acl(mon, aclname);
    int ret;
2145

J
Jan Kiszka 已提交
2146
    if (acl) {
2147 2148 2149 2150 2151
        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);
2152 2153 2154
    }
}

2155
#if defined(TARGET_I386)
2156
static void hmp_mce(Monitor *mon, const QDict *qdict)
2157
{
2158
    X86CPU *cpu;
2159
    CPUState *cs;
2160 2161 2162 2163 2164 2165
    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");
2166
    int flags = MCE_INJECT_UNCOND_AO;
2167

2168 2169 2170
    if (qdict_get_try_bool(qdict, "broadcast", 0)) {
        flags |= MCE_INJECT_BROADCAST;
    }
2171 2172 2173 2174 2175
    cs = qemu_get_cpu(cpu_index);
    if (cs != NULL) {
        cpu = X86_CPU(cs);
        cpu_x86_inject_mce(mon, cpu, bank, status, mcg_status, addr, misc,
                           flags);
2176
    }
2177 2178 2179
}
#endif

C
Corey Bryant 已提交
2180
void qmp_getfd(const char *fdname, Error **errp)
2181
{
A
Anthony Liguori 已提交
2182
    mon_fd_t *monfd;
2183 2184
    int fd;

C
Corey Bryant 已提交
2185
    fd = qemu_chr_fe_get_msgfd(cur_mon->chr);
2186
    if (fd == -1) {
C
Corey Bryant 已提交
2187 2188
        error_set(errp, QERR_FD_NOT_SUPPLIED);
        return;
2189 2190 2191
    }

    if (qemu_isdigit(fdname[0])) {
2192
        close(fd);
C
Corey Bryant 已提交
2193 2194 2195
        error_set(errp, QERR_INVALID_PARAMETER_VALUE, "fdname",
                  "a name not starting with a digit");
        return;
2196 2197
    }

C
Corey Bryant 已提交
2198
    QLIST_FOREACH(monfd, &cur_mon->fds, next) {
2199 2200 2201 2202 2203 2204
        if (strcmp(monfd->name, fdname) != 0) {
            continue;
        }

        close(monfd->fd);
        monfd->fd = fd;
C
Corey Bryant 已提交
2205
        return;
2206 2207
    }

2208 2209
    monfd = g_malloc0(sizeof(mon_fd_t));
    monfd->name = g_strdup(fdname);
2210 2211
    monfd->fd = fd;

C
Corey Bryant 已提交
2212
    QLIST_INSERT_HEAD(&cur_mon->fds, monfd, next);
2213 2214
}

C
Corey Bryant 已提交
2215
void qmp_closefd(const char *fdname, Error **errp)
2216
{
A
Anthony Liguori 已提交
2217
    mon_fd_t *monfd;
2218

C
Corey Bryant 已提交
2219
    QLIST_FOREACH(monfd, &cur_mon->fds, next) {
2220 2221 2222 2223
        if (strcmp(monfd->name, fdname) != 0) {
            continue;
        }

B
Blue Swirl 已提交
2224
        QLIST_REMOVE(monfd, next);
2225
        close(monfd->fd);
2226 2227
        g_free(monfd->name);
        g_free(monfd);
C
Corey Bryant 已提交
2228
        return;
2229 2230
    }

C
Corey Bryant 已提交
2231
    error_set(errp, QERR_FD_NOT_FOUND, fdname);
2232 2233
}

2234
static void hmp_loadvm(Monitor *mon, const QDict *qdict)
J
Juan Quintela 已提交
2235
{
2236
    int saved_vm_running  = runstate_is_running();
2237
    const char *name = qdict_get_str(qdict, "name");
J
Juan Quintela 已提交
2238

2239
    vm_stop(RUN_STATE_RESTORE_VM);
J
Juan Quintela 已提交
2240

2241
    if (load_vmstate(name) == 0 && saved_vm_running) {
J
Juan Quintela 已提交
2242
        vm_start();
2243
    }
J
Juan Quintela 已提交
2244 2245
}

2246
int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp)
2247
{
A
Anthony Liguori 已提交
2248
    mon_fd_t *monfd;
2249

B
Blue Swirl 已提交
2250
    QLIST_FOREACH(monfd, &mon->fds, next) {
2251 2252 2253 2254 2255 2256 2257 2258 2259
        int fd;

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

        fd = monfd->fd;

        /* caller takes ownership of fd */
B
Blue Swirl 已提交
2260
        QLIST_REMOVE(monfd, next);
2261 2262
        g_free(monfd->name);
        g_free(monfd);
2263 2264 2265 2266

        return fd;
    }

2267
    error_setg(errp, "File descriptor named '%s' has not been found", fdname);
2268 2269 2270
    return -1;
}

2271 2272 2273 2274 2275 2276
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) {
2277 2278 2279
        if ((mon_fdset_fd->removed ||
                (QLIST_EMPTY(&mon_fdset->dup_fds) && mon_refcount == 0)) &&
                runstate_is_running()) {
2280 2281 2282 2283 2284 2285 2286
            close(mon_fdset_fd->fd);
            g_free(mon_fdset_fd->opaque);
            QLIST_REMOVE(mon_fdset_fd, next);
            g_free(mon_fdset_fd);
        }
    }

2287
    if (QLIST_EMPTY(&mon_fdset->fds) && QLIST_EMPTY(&mon_fdset->dup_fds)) {
2288 2289 2290 2291 2292
        QLIST_REMOVE(mon_fdset, next);
        g_free(mon_fdset);
    }
}

2293 2294 2295 2296 2297 2298 2299 2300 2301 2302
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);
    }
}

2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315
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;
    }

2316 2317 2318 2319
    fdinfo = monitor_fdset_add_fd(fd, has_fdset_id, fdset_id,
                                  has_opaque, opaque, errp);
    if (fdinfo) {
        return fdinfo;
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 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405
    }

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;
}

2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486
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;
}

2487 2488
int monitor_fdset_get_fd(int64_t fdset_id, int flags)
{
2489
#ifndef _WIN32
2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551
    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);
                    }
M
Michael S. Tsirkin 已提交
2552 2553 2554
                    return -1;
                } else {
                    return mon_fdset->id;
2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566
                }
            }
        }
    }
    return -1;
}

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

M
Michael S. Tsirkin 已提交
2567
void monitor_fdset_dup_fd_remove(int dup_fd)
2568
{
M
Michael S. Tsirkin 已提交
2569
    monitor_fdset_dup_fd_find_remove(dup_fd, true);
2570 2571
}

2572
int monitor_fd_param(Monitor *mon, const char *fdname, Error **errp)
2573 2574 2575
{
    int fd;
    Error *local_err = NULL;
2576

2577
    if (!qemu_isdigit(fdname[0]) && mon) {
2578
        fd = monitor_get_fd(mon, fdname, &local_err);
2579 2580
    } else {
        fd = qemu_parse_fd(fdname);
2581
        if (fd == -1) {
2582 2583
            error_setg(&local_err, "Invalid file descriptor number '%s'",
                       fdname);
2584
        }
2585 2586 2587 2588
    }
    if (local_err) {
        error_propagate(errp, local_err);
        assert(fd == -1);
2589
    } else {
2590
        assert(fd != -1);
2591 2592 2593 2594 2595
    }

    return fd;
}

2596
/* Please update hmp-commands.hx when adding or changing commands */
2597
static mon_cmd_t info_cmds[] = {
2598 2599 2600 2601 2602
    {
        .name       = "version",
        .args_type  = "",
        .params     = "",
        .help       = "show the version of QEMU",
W
Wenchao Xia 已提交
2603
        .mhandler.cmd = hmp_info_version,
2604 2605 2606 2607 2608 2609
    },
    {
        .name       = "network",
        .args_type  = "",
        .params     = "",
        .help       = "show the network state",
2610
        .mhandler.cmd = hmp_info_network,
2611 2612 2613 2614 2615 2616
    },
    {
        .name       = "chardev",
        .args_type  = "",
        .params     = "",
        .help       = "show the character devices",
W
Wenchao Xia 已提交
2617
        .mhandler.cmd = hmp_info_chardev,
2618 2619 2620
    },
    {
        .name       = "block",
2621 2622
        .args_type  = "nodes:-n,verbose:-v,device:B?",
        .params     = "[-n] [-v] [device]",
2623
        .help       = "show info of one block device or all block devices "
2624
                      "(-n: show named nodes; -v: show details)",
W
Wenchao Xia 已提交
2625
        .mhandler.cmd = hmp_info_block,
2626 2627 2628 2629 2630 2631
    },
    {
        .name       = "blockstats",
        .args_type  = "",
        .params     = "",
        .help       = "show block device statistics",
W
Wenchao Xia 已提交
2632
        .mhandler.cmd = hmp_info_blockstats,
2633
    },
S
Stefan Hajnoczi 已提交
2634 2635 2636 2637 2638
    {
        .name       = "block-jobs",
        .args_type  = "",
        .params     = "",
        .help       = "show progress of ongoing block device operations",
W
Wenchao Xia 已提交
2639
        .mhandler.cmd = hmp_info_block_jobs,
S
Stefan Hajnoczi 已提交
2640
    },
2641 2642 2643 2644 2645
    {
        .name       = "registers",
        .args_type  = "",
        .params     = "",
        .help       = "show the cpu registers",
2646
        .mhandler.cmd = hmp_info_registers,
2647 2648 2649 2650 2651 2652
    },
    {
        .name       = "cpus",
        .args_type  = "",
        .params     = "",
        .help       = "show infos for each CPU",
W
Wenchao Xia 已提交
2653
        .mhandler.cmd = hmp_info_cpus,
2654 2655 2656 2657 2658 2659
    },
    {
        .name       = "history",
        .args_type  = "",
        .params     = "",
        .help       = "show the command line history",
2660
        .mhandler.cmd = hmp_info_history,
2661
    },
2662 2663
#if defined(TARGET_I386) || defined(TARGET_PPC) || defined(TARGET_MIPS) || \
    defined(TARGET_LM32) || (defined(TARGET_SPARC) && !defined(TARGET_SPARC64))
2664 2665 2666 2667 2668
    {
        .name       = "irq",
        .args_type  = "",
        .params     = "",
        .help       = "show the interrupts statistics (if available)",
2669
#ifdef TARGET_SPARC
2670
        .mhandler.cmd = sun4m_hmp_info_irq,
2671
#elif defined(TARGET_LM32)
2672
        .mhandler.cmd = lm32_hmp_info_irq,
2673
#else
2674
        .mhandler.cmd = hmp_info_irq,
2675
#endif
2676 2677 2678 2679 2680 2681
    },
    {
        .name       = "pic",
        .args_type  = "",
        .params     = "",
        .help       = "show i8259 (PIC) state",
2682
#ifdef TARGET_SPARC
2683
        .mhandler.cmd = sun4m_hmp_info_pic,
2684
#elif defined(TARGET_LM32)
2685
        .mhandler.cmd = lm32_hmp_info_pic,
2686
#else
2687
        .mhandler.cmd = hmp_info_pic,
2688
#endif
2689
    },
2690
#endif
2691 2692 2693 2694 2695
    {
        .name       = "pci",
        .args_type  = "",
        .params     = "",
        .help       = "show PCI info",
W
Wenchao Xia 已提交
2696
        .mhandler.cmd = hmp_info_pci,
2697
    },
S
Scott Wood 已提交
2698
#if defined(TARGET_I386) || defined(TARGET_SH4) || defined(TARGET_SPARC) || \
2699
    defined(TARGET_PPC) || defined(TARGET_XTENSA)
2700 2701 2702 2703 2704
    {
        .name       = "tlb",
        .args_type  = "",
        .params     = "",
        .help       = "show virtual to physical memory mappings",
2705
        .mhandler.cmd = hmp_info_tlb,
2706
    },
A
aurel32 已提交
2707 2708
#endif
#if defined(TARGET_I386)
2709 2710 2711 2712 2713
    {
        .name       = "mem",
        .args_type  = "",
        .params     = "",
        .help       = "show the active virtual memory mappings",
2714
        .mhandler.cmd = hmp_info_mem,
2715
    },
B
bellard 已提交
2716
#endif
B
Blue Swirl 已提交
2717 2718 2719 2720 2721
    {
        .name       = "mtree",
        .args_type  = "",
        .params     = "",
        .help       = "show memory tree",
2722
        .mhandler.cmd = hmp_info_mtree,
B
Blue Swirl 已提交
2723
    },
2724 2725 2726 2727 2728
    {
        .name       = "jit",
        .args_type  = "",
        .params     = "",
        .help       = "show dynamic compiler info",
2729
        .mhandler.cmd = hmp_info_jit,
2730
    },
2731 2732 2733 2734 2735
    {
        .name       = "opcount",
        .args_type  = "",
        .params     = "",
        .help       = "show dynamic compiler opcode counters",
2736
        .mhandler.cmd = hmp_info_opcount,
2737
    },
2738 2739 2740 2741 2742
    {
        .name       = "kvm",
        .args_type  = "",
        .params     = "",
        .help       = "show KVM information",
W
Wenchao Xia 已提交
2743
        .mhandler.cmd = hmp_info_kvm,
2744 2745 2746 2747 2748 2749
    },
    {
        .name       = "numa",
        .args_type  = "",
        .params     = "",
        .help       = "show NUMA information",
2750
        .mhandler.cmd = hmp_info_numa,
2751 2752 2753 2754 2755 2756
    },
    {
        .name       = "usb",
        .args_type  = "",
        .params     = "",
        .help       = "show guest USB devices",
2757
        .mhandler.cmd = hmp_info_usb,
2758 2759 2760 2761 2762 2763
    },
    {
        .name       = "usbhost",
        .args_type  = "",
        .params     = "",
        .help       = "show host USB devices",
2764
        .mhandler.cmd = hmp_info_usbhost,
2765 2766 2767 2768 2769 2770
    },
    {
        .name       = "profile",
        .args_type  = "",
        .params     = "",
        .help       = "show profiling information",
2771
        .mhandler.cmd = hmp_info_profile,
2772 2773 2774 2775 2776 2777
    },
    {
        .name       = "capture",
        .args_type  = "",
        .params     = "",
        .help       = "show capture information",
2778
        .mhandler.cmd = hmp_info_capture,
2779 2780 2781 2782 2783 2784
    },
    {
        .name       = "snapshots",
        .args_type  = "",
        .params     = "",
        .help       = "show the currently saved VM snapshots",
2785
        .mhandler.cmd = hmp_info_snapshots,
2786 2787 2788 2789 2790 2791
    },
    {
        .name       = "status",
        .args_type  = "",
        .params     = "",
        .help       = "show the current VM status (running|paused)",
W
Wenchao Xia 已提交
2792
        .mhandler.cmd = hmp_info_status,
2793 2794 2795 2796 2797 2798
    },
    {
        .name       = "mice",
        .args_type  = "",
        .params     = "",
        .help       = "show which guest mouse is receiving events",
W
Wenchao Xia 已提交
2799
        .mhandler.cmd = hmp_info_mice,
2800 2801 2802 2803 2804 2805
    },
    {
        .name       = "vnc",
        .args_type  = "",
        .params     = "",
        .help       = "show the vnc server status",
W
Wenchao Xia 已提交
2806
        .mhandler.cmd = hmp_info_vnc,
2807
    },
2808 2809 2810 2811 2812 2813
#if defined(CONFIG_SPICE)
    {
        .name       = "spice",
        .args_type  = "",
        .params     = "",
        .help       = "show the spice server status",
W
Wenchao Xia 已提交
2814
        .mhandler.cmd = hmp_info_spice,
2815 2816
    },
#endif
2817 2818 2819 2820 2821
    {
        .name       = "name",
        .args_type  = "",
        .params     = "",
        .help       = "show the current VM name",
W
Wenchao Xia 已提交
2822
        .mhandler.cmd = hmp_info_name,
2823 2824 2825 2826 2827 2828
    },
    {
        .name       = "uuid",
        .args_type  = "",
        .params     = "",
        .help       = "show the current VM UUID",
W
Wenchao Xia 已提交
2829
        .mhandler.cmd = hmp_info_uuid,
2830 2831 2832 2833 2834 2835
    },
    {
        .name       = "cpustats",
        .args_type  = "",
        .params     = "",
        .help       = "show CPU statistics",
2836
        .mhandler.cmd = hmp_info_cpustats,
2837
    },
2838
#if defined(CONFIG_SLIRP)
2839 2840 2841 2842 2843
    {
        .name       = "usernet",
        .args_type  = "",
        .params     = "",
        .help       = "show user network stack connection states",
2844
        .mhandler.cmd = hmp_info_usernet,
2845
    },
2846
#endif
2847 2848 2849 2850 2851
    {
        .name       = "migrate",
        .args_type  = "",
        .params     = "",
        .help       = "show migration status",
W
Wenchao Xia 已提交
2852
        .mhandler.cmd = hmp_info_migrate,
2853
    },
O
Orit Wasserman 已提交
2854 2855 2856 2857 2858
    {
        .name       = "migrate_capabilities",
        .args_type  = "",
        .params     = "",
        .help       = "show current migration capabilities",
W
Wenchao Xia 已提交
2859
        .mhandler.cmd = hmp_info_migrate_capabilities,
O
Orit Wasserman 已提交
2860
    },
2861 2862 2863 2864 2865
    {
        .name       = "migrate_cache_size",
        .args_type  = "",
        .params     = "",
        .help       = "show current migration xbzrle cache size",
W
Wenchao Xia 已提交
2866
        .mhandler.cmd = hmp_info_migrate_cache_size,
2867
    },
2868 2869 2870 2871 2872
    {
        .name       = "balloon",
        .args_type  = "",
        .params     = "",
        .help       = "show balloon information",
W
Wenchao Xia 已提交
2873
        .mhandler.cmd = hmp_info_balloon,
2874 2875 2876 2877 2878 2879
    },
    {
        .name       = "qtree",
        .args_type  = "",
        .params     = "",
        .help       = "show device tree",
2880
        .mhandler.cmd = hmp_info_qtree,
2881 2882 2883 2884 2885 2886
    },
    {
        .name       = "qdm",
        .args_type  = "",
        .params     = "",
        .help       = "show qdev device model list",
2887
        .mhandler.cmd = hmp_info_qdm,
2888
    },
2889 2890 2891 2892 2893 2894 2895
    {
        .name       = "qom-tree",
        .args_type  = "path:s?",
        .params     = "[path]",
        .help       = "show QOM composition tree",
        .mhandler.cmd = hmp_info_qom_tree,
    },
2896 2897 2898 2899 2900
    {
        .name       = "roms",
        .args_type  = "",
        .params     = "",
        .help       = "show roms",
2901
        .mhandler.cmd = hmp_info_roms,
2902
    },
2903 2904 2905 2906 2907
    {
        .name       = "trace-events",
        .args_type  = "",
        .params     = "",
        .help       = "show available trace-events & their state",
2908
        .mhandler.cmd = hmp_info_trace_events,
2909
    },
2910 2911 2912 2913 2914 2915 2916
    {
        .name       = "tpm",
        .args_type  = "",
        .params     = "",
        .help       = "show the TPM device",
        .mhandler.cmd = hmp_info_tpm,
    },
H
Hu Tao 已提交
2917 2918 2919 2920
    {
        .name       = "memdev",
        .args_type  = "",
        .params     = "",
2921
        .help       = "show memory backends",
H
Hu Tao 已提交
2922 2923
        .mhandler.cmd = hmp_info_memdev,
    },
2924 2925 2926 2927 2928 2929 2930
    {
        .name       = "memory-devices",
        .args_type  = "",
        .params     = "",
        .help       = "show memory devices",
        .mhandler.cmd = hmp_info_memory_devices,
    },
2931 2932 2933
    {
        .name       = NULL,
    },
B
bellard 已提交
2934 2935
};

W
Wenchao Xia 已提交
2936 2937 2938 2939 2940 2941
/* mon_cmds and info_cmds would be sorted at runtime */
static mon_cmd_t mon_cmds[] = {
#include "hmp-commands.h"
    { NULL, NULL, },
};

2942
static const mon_cmd_t qmp_cmds[] = {
2943
#include "qmp-commands-old.h"
2944 2945 2946
    { /* NULL */ },
};

2947 2948 2949
/*******************************************************************/

static const char *pch;
2950
static sigjmp_buf expr_env;
2951

B
bellard 已提交
2952 2953 2954
#define MD_TLONG 0
#define MD_I32   1

2955 2956 2957
typedef struct MonitorDef {
    const char *name;
    int offset;
B
blueswir1 已提交
2958
    target_long (*get_value)(const struct MonitorDef *md, int val);
B
bellard 已提交
2959
    int type;
2960 2961
} MonitorDef;

B
bellard 已提交
2962
#if defined(TARGET_I386)
B
blueswir1 已提交
2963
static target_long monitor_get_pc (const struct MonitorDef *md, int val)
B
bellard 已提交
2964
{
2965
    CPUArchState *env = mon_get_cpu();
B
bellard 已提交
2966
    return env->eip + env->segs[R_CS].base;
B
bellard 已提交
2967 2968 2969
}
#endif

2970
#if defined(TARGET_PPC)
B
blueswir1 已提交
2971
static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2972
{
2973
    CPUArchState *env = mon_get_cpu();
2974 2975 2976 2977 2978
    unsigned int u;
    int i;

    u = 0;
    for (i = 0; i < 8; i++)
P
Paolo Bonzini 已提交
2979
        u |= env->crf[i] << (32 - (4 * (i + 1)));
2980 2981 2982 2983

    return u;
}

B
blueswir1 已提交
2984
static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2985
{
2986
    CPUArchState *env = mon_get_cpu();
2987
    return env->msr;
2988 2989
}

B
blueswir1 已提交
2990
static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2991
{
2992
    CPUArchState *env = mon_get_cpu();
A
aurel32 已提交
2993
    return env->xer;
2994
}
2995

B
blueswir1 已提交
2996
static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2997
{
2998
    CPUArchState *env = mon_get_cpu();
B
bellard 已提交
2999
    return cpu_ppc_load_decr(env);
3000 3001
}

B
blueswir1 已提交
3002
static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
3003
{
3004
    CPUArchState *env = mon_get_cpu();
B
bellard 已提交
3005
    return cpu_ppc_load_tbu(env);
3006 3007
}

B
blueswir1 已提交
3008
static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
3009
{
3010
    CPUArchState *env = mon_get_cpu();
B
bellard 已提交
3011
    return cpu_ppc_load_tbl(env);
3012
}
3013 3014
#endif

3015
#if defined(TARGET_SPARC)
B
bellard 已提交
3016
#ifndef TARGET_SPARC64
B
blueswir1 已提交
3017
static target_long monitor_get_psr (const struct MonitorDef *md, int val)
3018
{
3019
    CPUArchState *env = mon_get_cpu();
3020 3021

    return cpu_get_psr(env);
3022
}
B
bellard 已提交
3023
#endif
3024

B
blueswir1 已提交
3025
static target_long monitor_get_reg(const struct MonitorDef *md, int val)
3026
{
3027
    CPUArchState *env = mon_get_cpu();
B
bellard 已提交
3028
    return env->regwptr[val];
3029 3030 3031
}
#endif

B
blueswir1 已提交
3032
static const MonitorDef monitor_defs[] = {
3033
#ifdef TARGET_I386
B
bellard 已提交
3034 3035

#define SEG(name, seg) \
3036 3037 3038 3039 3040 3041 3042 3043 3044 3045 3046 3047
    { 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
3048
#ifdef TARGET_X86_64
3049 3050 3051 3052 3053 3054 3055 3056
    { "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
3057
#endif
3058 3059
    { "eflags", offsetof(CPUX86State, eflags) },
    { "eip", offsetof(CPUX86State, eip) },
B
bellard 已提交
3060 3061 3062
    SEG("cs", R_CS)
    SEG("ds", R_DS)
    SEG("es", R_ES)
B
bellard 已提交
3063
    SEG("ss", R_SS)
B
bellard 已提交
3064 3065 3066
    SEG("fs", R_FS)
    SEG("gs", R_GS)
    { "pc", 0, monitor_get_pc, },
3067
#elif defined(TARGET_PPC)
J
j_mayer 已提交
3068
    /* General purpose registers */
3069 3070 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
    { "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
3101
    /* Floating point registers */
3102 3103 3104 3105 3106 3107 3108 3109 3110 3111 3112 3113 3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134
    { "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
3135
    /* Next instruction pointer */
3136 3137 3138
    { "nip|pc", offsetof(CPUPPCState, nip) },
    { "lr", offsetof(CPUPPCState, lr) },
    { "ctr", offsetof(CPUPPCState, ctr) },
3139
    { "decr", 0, &monitor_get_decr, },
3140
    { "ccr", 0, &monitor_get_ccr, },
J
j_mayer 已提交
3141
    /* Machine state register */
3142 3143
    { "msr", 0, &monitor_get_msr, },
    { "xer", 0, &monitor_get_xer, },
3144 3145
    { "tbu", 0, &monitor_get_tbu, },
    { "tbl", 0, &monitor_get_tbl, },
J
j_mayer 已提交
3146
    /* Segment registers */
3147 3148 3149 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159 3160 3161 3162 3163
    { "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
3164
    /* Too lazy to put BATs... */
3165 3166 3167 3168
    { "pvr", offsetof(CPUPPCState, spr[SPR_PVR]) },

    { "srr0", offsetof(CPUPPCState, spr[SPR_SRR0]) },
    { "srr1", offsetof(CPUPPCState, spr[SPR_SRR1]) },
3169 3170 3171
    { "dar", offsetof(CPUPPCState, spr[SPR_DAR]) },
    { "dsisr", offsetof(CPUPPCState, spr[SPR_DSISR]) },
    { "cfar", offsetof(CPUPPCState, spr[SPR_CFAR]) },
3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 3191 3192 3193 3194 3195 3196 3197 3198 3199 3200 3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235
    { "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
3236

3237
#elif defined(TARGET_SPARC)
3238 3239 3240 3241 3242 3243 3244 3245
    { "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]) },
3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268 3269
    { "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 },
3270 3271 3272
    { "pc", offsetof(CPUSPARCState, pc) },
    { "npc", offsetof(CPUSPARCState, npc) },
    { "y", offsetof(CPUSPARCState, y) },
B
bellard 已提交
3273
#ifndef TARGET_SPARC64
3274
    { "psr", 0, &monitor_get_psr, },
3275
    { "wim", offsetof(CPUSPARCState, wim) },
B
bellard 已提交
3276
#endif
3277 3278 3279 3280 3281 3282 3283 3284 3285 3286 3287 3288 3289 3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304 3305 3306 3307 3308 3309 3310
    { "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
3311
#ifdef TARGET_SPARC64
3312 3313 3314 3315 3316 3317 3318 3319 3320 3321 3322 3323 3324 3325 3326 3327 3328 3329 3330 3331 3332 3333 3334 3335
    { "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
3336
#endif
3337 3338 3339 3340
#endif
    { NULL },
};

3341 3342
static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN
expr_error(Monitor *mon, const char *fmt, ...)
B
bellard 已提交
3343
{
3344 3345 3346 3347 3348
    va_list ap;
    va_start(ap, fmt);
    monitor_vprintf(mon, fmt, ap);
    monitor_printf(mon, "\n");
    va_end(ap);
3349
    siglongjmp(expr_env, 1);
3350 3351
}

3352
/* return 0 if OK, -1 if not found */
B
bellard 已提交
3353
static int get_monitor_def(target_long *pval, const char *name)
3354
{
B
blueswir1 已提交
3355
    const MonitorDef *md;
B
bellard 已提交
3356 3357
    void *ptr;

3358 3359 3360
    for(md = monitor_defs; md->name != NULL; md++) {
        if (compare_cmd(name, md->name)) {
            if (md->get_value) {
3361
                *pval = md->get_value(md, md->offset);
3362
            } else {
3363
                CPUArchState *env = mon_get_cpu();
B
bellard 已提交
3364
                ptr = (uint8_t *)env + md->offset;
B
bellard 已提交
3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375
                switch(md->type) {
                case MD_I32:
                    *pval = *(int32_t *)ptr;
                    break;
                case MD_TLONG:
                    *pval = *(target_long *)ptr;
                    break;
                default:
                    *pval = 0;
                    break;
                }
3376 3377 3378 3379 3380 3381 3382 3383 3384
            }
            return 0;
        }
    }
    return -1;
}

static void next(void)
{
3385
    if (*pch != '\0') {
3386
        pch++;
3387
        while (qemu_isspace(*pch))
3388 3389 3390 3391
            pch++;
    }
}

A
aliguori 已提交
3392
static int64_t expr_sum(Monitor *mon);
3393

A
aliguori 已提交
3394
static int64_t expr_unary(Monitor *mon)
3395
{
B
blueswir1 已提交
3396
    int64_t n;
3397
    char *p;
B
bellard 已提交
3398
    int ret;
3399 3400 3401 3402

    switch(*pch) {
    case '+':
        next();
A
aliguori 已提交
3403
        n = expr_unary(mon);
3404 3405 3406
        break;
    case '-':
        next();
A
aliguori 已提交
3407
        n = -expr_unary(mon);
3408 3409 3410
        break;
    case '~':
        next();
A
aliguori 已提交
3411
        n = ~expr_unary(mon);
3412 3413 3414
        break;
    case '(':
        next();
A
aliguori 已提交
3415
        n = expr_sum(mon);
3416
        if (*pch != ')') {
A
aliguori 已提交
3417
            expr_error(mon, "')' expected");
3418 3419 3420
        }
        next();
        break;
B
bellard 已提交
3421 3422 3423
    case '\'':
        pch++;
        if (*pch == '\0')
A
aliguori 已提交
3424
            expr_error(mon, "character constant expected");
B
bellard 已提交
3425 3426 3427
        n = *pch;
        pch++;
        if (*pch != '\'')
A
aliguori 已提交
3428
            expr_error(mon, "missing terminating \' character");
B
bellard 已提交
3429 3430
        next();
        break;
3431 3432 3433
    case '$':
        {
            char buf[128], *q;
3434
            target_long reg=0;
3435

3436 3437 3438 3439 3440
            pch++;
            q = buf;
            while ((*pch >= 'a' && *pch <= 'z') ||
                   (*pch >= 'A' && *pch <= 'Z') ||
                   (*pch >= '0' && *pch <= '9') ||
B
bellard 已提交
3441
                   *pch == '_' || *pch == '.') {
3442 3443 3444 3445
                if ((q - buf) < sizeof(buf) - 1)
                    *q++ = *pch;
                pch++;
            }
3446
            while (qemu_isspace(*pch))
3447 3448
                pch++;
            *q = 0;
3449
            ret = get_monitor_def(&reg, buf);
3450
            if (ret < 0)
A
aliguori 已提交
3451
                expr_error(mon, "unknown register");
3452
            n = reg;
3453 3454 3455
        }
        break;
    case '\0':
A
aliguori 已提交
3456
        expr_error(mon, "unexpected end of expression");
3457 3458 3459
        n = 0;
        break;
    default:
3460
        errno = 0;
B
bellard 已提交
3461
        n = strtoull(pch, &p, 0);
3462 3463 3464
        if (errno == ERANGE) {
            expr_error(mon, "number too large");
        }
3465
        if (pch == p) {
3466
            expr_error(mon, "invalid char '%c' in expression", *p);
3467 3468
        }
        pch = p;
3469
        while (qemu_isspace(*pch))
3470 3471 3472 3473 3474 3475 3476
            pch++;
        break;
    }
    return n;
}


A
aliguori 已提交
3477
static int64_t expr_prod(Monitor *mon)
3478
{
B
blueswir1 已提交
3479
    int64_t val, val2;
B
bellard 已提交
3480
    int op;
3481

A
aliguori 已提交
3482
    val = expr_unary(mon);
3483 3484 3485 3486 3487
    for(;;) {
        op = *pch;
        if (op != '*' && op != '/' && op != '%')
            break;
        next();
A
aliguori 已提交
3488
        val2 = expr_unary(mon);
3489 3490 3491 3492 3493 3494 3495
        switch(op) {
        default:
        case '*':
            val *= val2;
            break;
        case '/':
        case '%':
3496
            if (val2 == 0)
A
aliguori 已提交
3497
                expr_error(mon, "division by zero");
3498 3499 3500 3501 3502 3503 3504 3505 3506 3507
            if (op == '/')
                val /= val2;
            else
                val %= val2;
            break;
        }
    }
    return val;
}

A
aliguori 已提交
3508
static int64_t expr_logic(Monitor *mon)
3509
{
B
blueswir1 已提交
3510
    int64_t val, val2;
B
bellard 已提交
3511
    int op;
3512

A
aliguori 已提交
3513
    val = expr_prod(mon);
3514 3515 3516 3517 3518
    for(;;) {
        op = *pch;
        if (op != '&' && op != '|' && op != '^')
            break;
        next();
A
aliguori 已提交
3519
        val2 = expr_prod(mon);
3520 3521 3522 3523 3524 3525 3526 3527 3528 3529 3530 3531 3532 3533 3534 3535
        switch(op) {
        default:
        case '&':
            val &= val2;
            break;
        case '|':
            val |= val2;
            break;
        case '^':
            val ^= val2;
            break;
        }
    }
    return val;
}

A
aliguori 已提交
3536
static int64_t expr_sum(Monitor *mon)
3537
{
B
blueswir1 已提交
3538
    int64_t val, val2;
B
bellard 已提交
3539
    int op;
3540

A
aliguori 已提交
3541
    val = expr_logic(mon);
3542 3543 3544 3545 3546
    for(;;) {
        op = *pch;
        if (op != '+' && op != '-')
            break;
        next();
A
aliguori 已提交
3547
        val2 = expr_logic(mon);
3548 3549 3550 3551 3552 3553 3554 3555
        if (op == '+')
            val += val2;
        else
            val -= val2;
    }
    return val;
}

A
aliguori 已提交
3556
static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
3557 3558
{
    pch = *pp;
3559
    if (sigsetjmp(expr_env, 0)) {
3560 3561 3562
        *pp = pch;
        return -1;
    }
3563
    while (qemu_isspace(*pch))
3564
        pch++;
A
aliguori 已提交
3565
    *pval = expr_sum(mon);
3566 3567 3568 3569
    *pp = pch;
    return 0;
}

3570 3571 3572 3573 3574 3575 3576 3577 3578 3579 3580 3581 3582 3583 3584 3585 3586 3587 3588 3589 3590
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;
}

3591 3592 3593 3594 3595 3596 3597 3598 3599 3600 3601 3602 3603 3604 3605 3606 3607 3608 3609 3610 3611 3612 3613 3614 3615 3616
/*
 * 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;
}

3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635
/**
 * 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;

3636
    str = g_malloc(len + 1);
3637 3638 3639 3640 3641 3642 3643
    memcpy(str, type, len);
    str[len] = '\0';

    *key = str;
    return ++p;
}

3644 3645 3646
static int default_fmt_format = 'x';
static int default_fmt_size = 4;

3647 3648 3649 3650 3651 3652 3653 3654 3655 3656 3657 3658
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);
}

3659 3660
static const mon_cmd_t *search_dispatch_table(const mon_cmd_t *disp_table,
                                              const char *cmdname)
3661 3662 3663
{
    const mon_cmd_t *cmd;

3664
    for (cmd = disp_table; cmd->name != NULL; cmd++) {
3665 3666 3667 3668 3669 3670 3671 3672
        if (compare_cmd(cmdname, cmd->name)) {
            return cmd;
        }
    }

    return NULL;
}

L
Luiz Capitulino 已提交
3673 3674
static const mon_cmd_t *qmp_find_cmd(const char *cmdname)
{
3675
    return search_dispatch_table(qmp_cmds, cmdname);
L
Luiz Capitulino 已提交
3676 3677
}

3678 3679 3680 3681 3682
/*
 * 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.
P
Peter Maydell 已提交
3683 3684 3685 3686
 * If a sub-command table exists, and if @cmdline contains an additional string
 * for a sub-command, this function will try to search the sub-command table.
 * If no additional string for a sub-command is present, this function will
 * return the command found in @table.
3687 3688 3689
 * 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
3690
static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3691
                                              const char *cmdline,
3692 3693
                                              int start,
                                              mon_cmd_t *table,
3694
                                              QDict *qdict)
3695
{
3696
    const char *p, *typestr;
3697
    int c;
A
Anthony Liguori 已提交
3698
    const mon_cmd_t *cmd;
3699 3700
    char cmdname[256];
    char buf[1024];
3701
    char *key;
B
bellard 已提交
3702 3703

#ifdef DEBUG
3704
    monitor_printf(mon, "command='%s', start='%d'\n", cmdline, start);
B
bellard 已提交
3705
#endif
3706

3707
    /* extract the command name */
3708
    p = get_command_name(cmdline + start, cmdname, sizeof(cmdname));
3709
    if (!p)
3710
        return NULL;
3711

3712
    cmd = search_dispatch_table(table, cmdname);
3713
    if (!cmd) {
3714 3715
        monitor_printf(mon, "unknown command: '%.*s'\n",
                       (int)(p - cmdline), cmdline);
3716
        return NULL;
3717 3718
    }

3719 3720 3721 3722 3723 3724 3725 3726 3727 3728 3729 3730 3731 3732
    /* 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);
    }

3733 3734
    /* parse the parameters */
    typestr = cmd->args_type;
B
bellard 已提交
3735
    for(;;) {
3736 3737
        typestr = key_get_info(typestr, &key);
        if (!typestr)
B
bellard 已提交
3738
            break;
3739
        c = *typestr;
3740 3741 3742
        typestr++;
        switch(c) {
        case 'F':
B
bellard 已提交
3743
        case 'B':
3744 3745 3746
        case 's':
            {
                int ret;
3747

3748
                while (qemu_isspace(*p))
3749 3750 3751 3752 3753
                    p++;
                if (*typestr == '?') {
                    typestr++;
                    if (*p == '\0') {
                        /* no optional string: NULL argument */
3754
                        break;
3755 3756 3757 3758
                    }
                }
                ret = get_str(buf, sizeof(buf), &p);
                if (ret < 0) {
B
bellard 已提交
3759 3760
                    switch(c) {
                    case 'F':
A
aliguori 已提交
3761 3762
                        monitor_printf(mon, "%s: filename expected\n",
                                       cmdname);
B
bellard 已提交
3763 3764
                        break;
                    case 'B':
A
aliguori 已提交
3765 3766
                        monitor_printf(mon, "%s: block device name expected\n",
                                       cmdname);
B
bellard 已提交
3767 3768
                        break;
                    default:
A
aliguori 已提交
3769
                        monitor_printf(mon, "%s: string expected\n", cmdname);
B
bellard 已提交
3770 3771
                        break;
                    }
3772 3773
                    goto fail;
                }
3774
                qdict_put(qdict, key, qstring_from_str(buf));
3775
            }
B
bellard 已提交
3776
            break;
3777 3778 3779 3780 3781 3782 3783 3784 3785 3786 3787 3788 3789 3790 3791 3792 3793 3794 3795 3796 3797 3798 3799 3800 3801
        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;
3802 3803 3804
        case '/':
            {
                int count, format, size;
3805

3806
                while (qemu_isspace(*p))
3807 3808 3809 3810 3811
                    p++;
                if (*p == '/') {
                    /* format found */
                    p++;
                    count = 1;
3812
                    if (qemu_isdigit(*p)) {
3813
                        count = 0;
3814
                        while (qemu_isdigit(*p)) {
3815 3816 3817 3818 3819 3820 3821 3822 3823 3824 3825 3826 3827 3828 3829 3830 3831 3832 3833 3834 3835 3836 3837 3838 3839 3840 3841 3842 3843 3844 3845 3846 3847 3848 3849 3850 3851 3852
                            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:
3853
                    if (*p != '\0' && !qemu_isspace(*p)) {
A
aliguori 已提交
3854 3855
                        monitor_printf(mon, "invalid char in format: '%c'\n",
                                       *p);
3856 3857 3858 3859
                        goto fail;
                    }
                    if (format < 0)
                        format = default_fmt_format;
3860 3861 3862 3863
                    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
3864
                        default_fmt_size = size;
3865
                    }
3866 3867 3868 3869
                    default_fmt_format = format;
                } else {
                    count = 1;
                    format = default_fmt_format;
3870 3871 3872 3873 3874
                    if (format != 'i') {
                        size = default_fmt_size;
                    } else {
                        size = -1;
                    }
3875
                }
3876 3877 3878
                qdict_put(qdict, "count", qint_from_int(count));
                qdict_put(qdict, "format", qint_from_int(format));
                qdict_put(qdict, "size", qint_from_int(size));
3879
            }
B
bellard 已提交
3880
            break;
3881
        case 'i':
B
bellard 已提交
3882
        case 'l':
3883
        case 'M':
3884
            {
B
blueswir1 已提交
3885
                int64_t val;
3886

3887
                while (qemu_isspace(*p))
3888
                    p++;
B
bellard 已提交
3889 3890
                if (*typestr == '?' || *typestr == '.') {
                    if (*typestr == '?') {
3891 3892 3893 3894
                        if (*p == '\0') {
                            typestr++;
                            break;
                        }
B
bellard 已提交
3895 3896 3897
                    } else {
                        if (*p == '.') {
                            p++;
3898
                            while (qemu_isspace(*p))
B
bellard 已提交
3899 3900
                                p++;
                        } else {
3901 3902
                            typestr++;
                            break;
B
bellard 已提交
3903 3904
                        }
                    }
B
bellard 已提交
3905
                    typestr++;
3906
                }
A
aliguori 已提交
3907
                if (get_expr(mon, &val, &p))
3908
                    goto fail;
3909 3910 3911 3912 3913
                /* 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;
3914
                } else if (c == 'M') {
3915 3916 3917 3918
                    if (val < 0) {
                        monitor_printf(mon, "enter a positive value\n");
                        goto fail;
                    }
3919
                    val <<= 20;
3920
                }
3921
                qdict_put(qdict, key, qint_from_int(val));
3922 3923
            }
            break;
3924 3925
        case 'o':
            {
3926
                int64_t val;
3927 3928 3929 3930 3931 3932 3933 3934 3935 3936 3937 3938 3939 3940 3941 3942 3943 3944 3945 3946
                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;
3947
        case 'T':
3948 3949 3950 3951 3952 3953 3954 3955 3956 3957 3958 3959 3960 3961
            {
                double val;

                while (qemu_isspace(*p))
                    p++;
                if (*typestr == '?') {
                    typestr++;
                    if (*p == '\0') {
                        break;
                    }
                }
                if (get_double(mon, &val, &p) < 0) {
                    goto fail;
                }
3962
                if (p[0] && p[1] == 's') {
3963 3964 3965 3966 3967 3968 3969 3970 3971
                    switch (*p) {
                    case 'm':
                        val /= 1e3; p += 2; break;
                    case 'u':
                        val /= 1e6; p += 2; break;
                    case 'n':
                        val /= 1e9; p += 2; break;
                    }
                }
3972 3973 3974 3975 3976 3977 3978
                if (*p && !qemu_isspace(*p)) {
                    monitor_printf(mon, "Unknown unit suffix\n");
                    goto fail;
                }
                qdict_put(qdict, key, qfloat_from_double(val));
            }
            break;
3979 3980 3981 3982 3983 3984 3985 3986 3987 3988 3989 3990 3991 3992 3993 3994 3995 3996 3997 3998 3999 4000 4001
        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;
4002 4003
        case '-':
            {
4004
                const char *tmp = p;
4005
                int skip_key = 0;
4006
                /* option */
4007

4008 4009 4010
                c = *typestr++;
                if (c == '\0')
                    goto bad_type;
4011
                while (qemu_isspace(*p))
4012 4013 4014
                    p++;
                if (*p == '-') {
                    p++;
4015 4016 4017 4018 4019 4020 4021 4022 4023 4024 4025 4026 4027
                    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 {
4028
                        /* has option */
4029
                        p++;
4030
                        qdict_put(qdict, key, qbool_from_int(1));
4031 4032 4033 4034
                    }
                }
            }
            break;
4035 4036 4037 4038 4039 4040 4041 4042 4043 4044 4045 4046 4047 4048 4049 4050 4051 4052 4053 4054 4055 4056 4057 4058 4059
        case 'S':
            {
                /* package all remaining string */
                int len;

                while (qemu_isspace(*p)) {
                    p++;
                }
                if (*typestr == '?') {
                    typestr++;
                    if (*p == '\0') {
                        /* no remaining string: NULL argument */
                        break;
                    }
                }
                len = strlen(p);
                if (len <= 0) {
                    monitor_printf(mon, "%s: string expected\n",
                                   cmdname);
                    break;
                }
                qdict_put(qdict, key, qstring_from_str(p));
                p += len;
            }
            break;
4060 4061
        default:
        bad_type:
A
aliguori 已提交
4062
            monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
4063 4064
            goto fail;
        }
4065
        g_free(key);
4066
        key = NULL;
B
bellard 已提交
4067
    }
4068
    /* check that all arguments were parsed */
4069
    while (qemu_isspace(*p))
4070 4071
        p++;
    if (*p != '\0') {
A
aliguori 已提交
4072 4073
        monitor_printf(mon, "%s: extraneous characters at the end of line\n",
                       cmdname);
4074
        goto fail;
B
bellard 已提交
4075
    }
4076

4077
    return cmd;
G
Gerd Hoffmann 已提交
4078

4079
fail:
4080
    g_free(key);
4081 4082 4083
    return NULL;
}

4084 4085 4086 4087 4088 4089 4090 4091 4092 4093
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
4094 4095
static void handler_audit(Monitor *mon, const mon_cmd_t *cmd, int ret)
{
L
Luiz Capitulino 已提交
4096 4097 4098 4099 4100 4101 4102 4103
    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
4104 4105
}

4106
static void handle_user_command(Monitor *mon, const char *cmdline)
4107 4108
{
    QDict *qdict;
A
Anthony Liguori 已提交
4109
    const mon_cmd_t *cmd;
4110 4111 4112

    qdict = qdict_new();

4113
    cmd = monitor_parse_command(mon, cmdline, 0, mon->cmd_table, qdict);
4114 4115 4116
    if (!cmd)
        goto out;

4117
    if (handler_is_async(cmd)) {
4118
        user_async_cmd_handler(mon, cmd, qdict);
4119
    } else if (handler_is_qobject(cmd)) {
4120 4121 4122 4123 4124 4125 4126 4127 4128
        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);
        }
4129
    } else {
4130
        cmd->mhandler.cmd(mon, qdict);
4131 4132
    }

4133
out:
4134
    QDECREF(qdict);
B
bellard 已提交
4135 4136
}

4137
static void cmd_completion(Monitor *mon, const char *name, const char *list)
B
bellard 已提交
4138 4139 4140 4141 4142 4143 4144 4145 4146 4147 4148 4149 4150 4151 4152 4153 4154
{
    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))) {
4155
            readline_add_completion(mon->rs, cmd);
B
bellard 已提交
4156 4157 4158 4159 4160 4161 4162
        }
        if (*p == '\0')
            break;
        p++;
    }
}

4163
static void file_completion(Monitor *mon, const char *input)
B
bellard 已提交
4164 4165 4166 4167 4168 4169 4170 4171
{
    DIR *ffs;
    struct dirent *d;
    char path[1024];
    char file[1024], file_prefix[1024];
    int input_path_len;
    const char *p;

4172
    p = strrchr(input, '/');
B
bellard 已提交
4173 4174 4175
    if (!p) {
        input_path_len = 0;
        pstrcpy(file_prefix, sizeof(file_prefix), input);
B
blueswir1 已提交
4176
        pstrcpy(path, sizeof(path), ".");
B
bellard 已提交
4177 4178 4179 4180 4181 4182 4183 4184 4185
    } 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
4186
    monitor_printf(mon, "input='%s' path='%s' prefix='%s'\n",
A
aliguori 已提交
4187
                   input, path, file_prefix);
B
bellard 已提交
4188 4189 4190 4191 4192 4193 4194 4195 4196
#endif
    ffs = opendir(path);
    if (!ffs)
        return;
    for(;;) {
        struct stat sb;
        d = readdir(ffs);
        if (!d)
            break;
4197 4198 4199 4200 4201

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

B
bellard 已提交
4202 4203
        if (strstart(d->d_name, file_prefix, NULL)) {
            memcpy(file, input, input_path_len);
B
blueswir1 已提交
4204 4205 4206
            if (input_path_len < sizeof(file))
                pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
                        d->d_name);
B
bellard 已提交
4207 4208 4209
            /* stat the file to find out if it's a directory.
             * In that case add a slash to speed up typing long paths
             */
4210
            if (stat(file, &sb) == 0 && S_ISDIR(sb.st_mode)) {
B
blueswir1 已提交
4211
                pstrcat(file, sizeof(file), "/");
4212
            }
4213
            readline_add_completion(mon->rs, file);
B
bellard 已提交
4214 4215 4216 4217 4218
        }
    }
    closedir(ffs);
}

4219 4220 4221 4222 4223 4224
static const char *next_arg_type(const char *typestr)
{
    const char *p = strchr(typestr, ':');
    return (p != NULL ? ++p : typestr);
}

4225 4226 4227 4228 4229 4230 4231 4232 4233 4234 4235
static void add_completion_option(ReadLineState *rs, const char *str,
                                  const char *option)
{
    if (!str || !option) {
        return;
    }
    if (!strncmp(option, str, strlen(str))) {
        readline_add_completion(rs, option);
    }
}

4236 4237 4238 4239 4240 4241 4242 4243 4244 4245 4246 4247 4248 4249 4250 4251 4252 4253 4254 4255 4256 4257 4258
void chardev_add_completion(ReadLineState *rs, int nb_args, const char *str)
{
    size_t len;
    ChardevBackendInfoList *list, *start;

    if (nb_args != 2) {
        return;
    }
    len = strlen(str);
    readline_set_completion_index(rs, len);

    start = list = qmp_query_chardev_backends(NULL);
    while (list) {
        const char *chr_name = list->value->name;

        if (!strncmp(chr_name, str, len)) {
            readline_add_completion(rs, chr_name);
        }
        list = list->next;
    }
    qapi_free_ChardevBackendInfoList(start);
}

4259 4260 4261 4262 4263 4264 4265 4266 4267 4268 4269 4270 4271 4272 4273
void netdev_add_completion(ReadLineState *rs, int nb_args, const char *str)
{
    size_t len;
    int i;

    if (nb_args != 2) {
        return;
    }
    len = strlen(str);
    readline_set_completion_index(rs, len);
    for (i = 0; NetClientOptionsKind_lookup[i]; i++) {
        add_completion_option(rs, str, NetClientOptionsKind_lookup[i]);
    }
}

4274
void device_add_completion(ReadLineState *rs, int nb_args, const char *str)
4275 4276 4277 4278
{
    GSList *list, *elt;
    size_t len;

4279 4280 4281 4282
    if (nb_args != 2) {
        return;
    }

4283 4284 4285 4286 4287 4288 4289 4290
    len = strlen(str);
    readline_set_completion_index(rs, len);
    list = elt = object_class_get_list(TYPE_DEVICE, false);
    while (elt) {
        const char *name;
        DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data,
                                             TYPE_DEVICE);
        name = object_class_get_name(OBJECT_CLASS(dc));
4291 4292 4293

        if (!dc->cannot_instantiate_with_device_add_yet
            && !strncmp(name, str, len)) {
4294 4295 4296 4297 4298 4299 4300
            readline_add_completion(rs, name);
        }
        elt = elt->next;
    }
    g_slist_free(list);
}

4301
void object_add_completion(ReadLineState *rs, int nb_args, const char *str)
4302 4303 4304 4305
{
    GSList *list, *elt;
    size_t len;

4306 4307 4308 4309
    if (nb_args != 2) {
        return;
    }

4310 4311 4312 4313 4314 4315 4316 4317 4318 4319 4320 4321 4322 4323 4324
    len = strlen(str);
    readline_set_completion_index(rs, len);
    list = elt = object_class_get_list(TYPE_USER_CREATABLE, false);
    while (elt) {
        const char *name;

        name = object_class_get_name(OBJECT_CLASS(elt->data));
        if (!strncmp(name, str, len) && strcmp(name, TYPE_USER_CREATABLE)) {
            readline_add_completion(rs, name);
        }
        elt = elt->next;
    }
    g_slist_free(list);
}

4325 4326 4327
static void peripheral_device_del_completion(ReadLineState *rs,
                                             const char *str, size_t len)
{
4328 4329
    Object *peripheral = container_get(qdev_get_machine(), "/peripheral");
    GSList *list, *item;
4330

4331 4332
    list = qdev_build_hotpluggable_device_list(peripheral);
    if (!list) {
4333 4334 4335 4336 4337 4338 4339 4340 4341 4342 4343 4344 4345 4346
        return;
    }

    for (item = list; item; item = g_slist_next(item)) {
        DeviceState *dev = item->data;

        if (dev->id && !strncmp(str, dev->id, len)) {
            readline_add_completion(rs, dev->id);
        }
    }

    g_slist_free(list);
}

4347 4348 4349 4350 4351 4352 4353 4354 4355 4356 4357 4358 4359 4360 4361 4362 4363 4364 4365 4366 4367 4368 4369
void chardev_remove_completion(ReadLineState *rs, int nb_args, const char *str)
{
    size_t len;
    ChardevInfoList *list, *start;

    if (nb_args != 2) {
        return;
    }
    len = strlen(str);
    readline_set_completion_index(rs, len);

    start = list = qmp_query_chardev(NULL);
    while (list) {
        ChardevInfo *chr = list->value;

        if (!strncmp(chr->label, str, len)) {
            readline_add_completion(rs, chr->label);
        }
        list = list->next;
    }
    qapi_free_ChardevInfoList(start);
}

4370 4371 4372 4373 4374 4375 4376 4377 4378 4379 4380 4381 4382 4383 4384 4385 4386 4387 4388 4389 4390 4391 4392 4393 4394 4395 4396 4397 4398 4399 4400 4401 4402 4403 4404 4405 4406 4407 4408
static void ringbuf_completion(ReadLineState *rs, const char *str)
{
    size_t len;
    ChardevInfoList *list, *start;

    len = strlen(str);
    readline_set_completion_index(rs, len);

    start = list = qmp_query_chardev(NULL);
    while (list) {
        ChardevInfo *chr_info = list->value;

        if (!strncmp(chr_info->label, str, len)) {
            CharDriverState *chr = qemu_chr_find(chr_info->label);
            if (chr && chr_is_ringbuf(chr)) {
                readline_add_completion(rs, chr_info->label);
            }
        }
        list = list->next;
    }
    qapi_free_ChardevInfoList(start);
}

void ringbuf_read_completion(ReadLineState *rs, int nb_args, const char *str)
{
    if (nb_args != 2) {
        return;
    }
    ringbuf_completion(rs, str);
}

void ringbuf_write_completion(ReadLineState *rs, int nb_args, const char *str)
{
    if (nb_args != 2) {
        return;
    }
    ringbuf_completion(rs, str);
}

4409 4410 4411 4412 4413 4414 4415 4416 4417 4418
void device_del_completion(ReadLineState *rs, int nb_args, const char *str)
{
    size_t len;

    if (nb_args != 2) {
        return;
    }

    len = strlen(str);
    readline_set_completion_index(rs, len);
4419
    peripheral_device_del_completion(rs, str, len);
4420 4421
}

4422
void object_del_completion(ReadLineState *rs, int nb_args, const char *str)
4423 4424 4425 4426
{
    ObjectPropertyInfoList *list, *start;
    size_t len;

4427 4428 4429
    if (nb_args != 2) {
        return;
    }
4430 4431 4432 4433 4434 4435 4436 4437 4438 4439 4440 4441 4442 4443 4444 4445
    len = strlen(str);
    readline_set_completion_index(rs, len);

    start = list = qmp_qom_list("/objects", NULL);
    while (list) {
        ObjectPropertyInfo *info = list->value;

        if (!strncmp(info->type, "child<", 5)
            && !strncmp(info->name, str, len)) {
            readline_add_completion(rs, info->name);
        }
        list = list->next;
    }
    qapi_free_ObjectPropertyInfoList(start);
}

4446 4447 4448 4449 4450 4451 4452 4453 4454 4455 4456 4457 4458 4459 4460 4461 4462 4463 4464 4465 4466 4467
void sendkey_completion(ReadLineState *rs, int nb_args, const char *str)
{
    int i;
    char *sep;
    size_t len;

    if (nb_args != 2) {
        return;
    }
    sep = strrchr(str, '-');
    if (sep) {
        str = sep + 1;
    }
    len = strlen(str);
    readline_set_completion_index(rs, len);
    for (i = 0; i < Q_KEY_CODE_MAX; i++) {
        if (!strncmp(str, QKeyCode_lookup[i], len)) {
            readline_add_completion(rs, QKeyCode_lookup[i]);
        }
    }
}

4468 4469 4470 4471 4472 4473 4474
void set_link_completion(ReadLineState *rs, int nb_args, const char *str)
{
    size_t len;

    len = strlen(str);
    readline_set_completion_index(rs, len);
    if (nb_args == 2) {
4475
        NetClientState *ncs[MAX_QUEUE_NUM];
4476 4477
        int count, i;
        count = qemu_find_net_clients_except(NULL, ncs,
4478 4479
                                             NET_CLIENT_OPTIONS_KIND_NONE,
                                             MAX_QUEUE_NUM);
4480 4481 4482 4483 4484 4485 4486 4487 4488 4489 4490 4491
        for (i = 0; i < count; i++) {
            const char *name = ncs[i]->name;
            if (!strncmp(str, name, len)) {
                readline_add_completion(rs, name);
            }
        }
    } else if (nb_args == 3) {
        add_completion_option(rs, str, "on");
        add_completion_option(rs, str, "off");
    }
}

4492 4493 4494
void netdev_del_completion(ReadLineState *rs, int nb_args, const char *str)
{
    int len, count, i;
4495
    NetClientState *ncs[MAX_QUEUE_NUM];
4496 4497 4498 4499 4500 4501 4502 4503

    if (nb_args != 2) {
        return;
    }

    len = strlen(str);
    readline_set_completion_index(rs, len);
    count = qemu_find_net_clients_except(NULL, ncs, NET_CLIENT_OPTIONS_KIND_NIC,
4504
                                         MAX_QUEUE_NUM);
4505 4506 4507 4508 4509 4510 4511 4512 4513 4514 4515 4516 4517
    for (i = 0; i < count; i++) {
        QemuOpts *opts;
        const char *name = ncs[i]->name;
        if (strncmp(str, name, len)) {
            continue;
        }
        opts = qemu_opts_find(qemu_find_opts_err("netdev", NULL), name);
        if (opts) {
            readline_add_completion(rs, name);
        }
    }
}

4518 4519
void watchdog_action_completion(ReadLineState *rs, int nb_args, const char *str)
{
4520 4521
    int i;

4522 4523 4524 4525
    if (nb_args != 2) {
        return;
    }
    readline_set_completion_index(rs, strlen(str));
4526 4527 4528
    for (i = 0; WatchdogExpirationAction_lookup[i]; i++) {
        add_completion_option(rs, str, WatchdogExpirationAction_lookup[i]);
    }
4529 4530
}

4531 4532 4533 4534 4535 4536 4537 4538 4539 4540 4541 4542 4543 4544 4545 4546 4547 4548 4549 4550 4551
void migrate_set_capability_completion(ReadLineState *rs, int nb_args,
                                       const char *str)
{
    size_t len;

    len = strlen(str);
    readline_set_completion_index(rs, len);
    if (nb_args == 2) {
        int i;
        for (i = 0; i < MIGRATION_CAPABILITY_MAX; i++) {
            const char *name = MigrationCapability_lookup[i];
            if (!strncmp(str, name, len)) {
                readline_add_completion(rs, name);
            }
        }
    } else if (nb_args == 3) {
        add_completion_option(rs, str, "on");
        add_completion_option(rs, str, "off");
    }
}

4552 4553 4554 4555 4556 4557 4558 4559 4560 4561 4562 4563 4564 4565 4566 4567
void host_net_add_completion(ReadLineState *rs, int nb_args, const char *str)
{
    int i;
    size_t len;
    if (nb_args != 2) {
        return;
    }
    len = strlen(str);
    readline_set_completion_index(rs, len);
    for (i = 0; host_net_devices[i]; i++) {
        if (!strncmp(host_net_devices[i], str, len)) {
            readline_add_completion(rs, host_net_devices[i]);
        }
    }
}

4568 4569
void host_net_remove_completion(ReadLineState *rs, int nb_args, const char *str)
{
4570
    NetClientState *ncs[MAX_QUEUE_NUM];
4571 4572 4573 4574 4575 4576
    int count, i, len;

    len = strlen(str);
    readline_set_completion_index(rs, len);
    if (nb_args == 2) {
        count = qemu_find_net_clients_except(NULL, ncs,
4577 4578
                                             NET_CLIENT_OPTIONS_KIND_NONE,
                                             MAX_QUEUE_NUM);
4579 4580 4581 4582 4583 4584 4585 4586 4587 4588 4589 4590 4591 4592 4593
        for (i = 0; i < count; i++) {
            int id;
            char name[16];

            if (net_hub_id_for_client(ncs[i], &id)) {
                continue;
            }
            snprintf(name, sizeof(name), "%d", id);
            if (!strncmp(str, name, len)) {
                readline_add_completion(rs, name);
            }
        }
        return;
    } else if (nb_args == 3) {
        count = qemu_find_net_clients_except(NULL, ncs,
4594 4595
                                             NET_CLIENT_OPTIONS_KIND_NIC,
                                             MAX_QUEUE_NUM);
4596
        for (i = 0; i < count; i++) {
4597
            int id;
4598 4599
            const char *name;

4600 4601 4602 4603
            if (ncs[i]->info->type == NET_CLIENT_OPTIONS_KIND_HUBPORT ||
                net_hub_id_for_client(ncs[i], &id)) {
                continue;
            }
4604 4605 4606 4607 4608 4609 4610 4611 4612
            name = ncs[i]->name;
            if (!strncmp(str, name, len)) {
                readline_add_completion(rs, name);
            }
        }
        return;
    }
}

4613 4614 4615 4616 4617 4618 4619 4620 4621 4622 4623 4624 4625 4626 4627 4628 4629 4630 4631 4632 4633 4634 4635 4636 4637 4638 4639 4640 4641 4642 4643 4644 4645 4646 4647 4648 4649 4650 4651 4652 4653 4654 4655 4656 4657 4658 4659
static void vm_completion(ReadLineState *rs, const char *str)
{
    size_t len;
    BlockDriverState *bs = NULL;

    len = strlen(str);
    readline_set_completion_index(rs, len);
    while ((bs = bdrv_next(bs))) {
        SnapshotInfoList *snapshots, *snapshot;

        if (!bdrv_can_snapshot(bs)) {
            continue;
        }
        if (bdrv_query_snapshot_info_list(bs, &snapshots, NULL)) {
            continue;
        }
        snapshot = snapshots;
        while (snapshot) {
            char *completion = snapshot->value->name;
            if (!strncmp(str, completion, len)) {
                readline_add_completion(rs, completion);
            }
            completion = snapshot->value->id;
            if (!strncmp(str, completion, len)) {
                readline_add_completion(rs, completion);
            }
            snapshot = snapshot->next;
        }
        qapi_free_SnapshotInfoList(snapshots);
    }

}

void delvm_completion(ReadLineState *rs, int nb_args, const char *str)
{
    if (nb_args == 2) {
        vm_completion(rs, str);
    }
}

void loadvm_completion(ReadLineState *rs, int nb_args, const char *str)
{
    if (nb_args == 2) {
        vm_completion(rs, str);
    }
}

4660 4661 4662 4663
static void monitor_find_completion_by_table(Monitor *mon,
                                             const mon_cmd_t *cmd_table,
                                             char **args,
                                             int nb_args)
B
bellard 已提交
4664 4665
{
    const char *cmdname;
4666
    int i;
4667
    const char *ptype, *str, *name;
A
Anthony Liguori 已提交
4668
    const mon_cmd_t *cmd;
4669
    BlockDriverState *bs;
B
bellard 已提交
4670 4671 4672 4673 4674 4675 4676

    if (nb_args <= 1) {
        /* command completion */
        if (nb_args == 0)
            cmdname = "";
        else
            cmdname = args[0];
4677
        readline_set_completion_index(mon->rs, strlen(cmdname));
4678
        for (cmd = cmd_table; cmd->name != NULL; cmd++) {
4679
            cmd_completion(mon, cmdname, cmd->name);
B
bellard 已提交
4680 4681 4682
        }
    } else {
        /* find the command */
4683
        for (cmd = cmd_table; cmd->name != NULL; cmd++) {
4684 4685 4686
            if (compare_cmd(args[0], cmd->name)) {
                break;
            }
B
bellard 已提交
4687
        }
4688
        if (!cmd->name) {
4689
            return;
4690 4691
        }

4692 4693
        if (cmd->sub_table) {
            /* do the job again */
4694 4695 4696
            monitor_find_completion_by_table(mon, cmd->sub_table,
                                             &args[1], nb_args - 1);
            return;
4697
        }
4698
        if (cmd->command_completion) {
4699 4700
            cmd->command_completion(mon->rs, nb_args, args[nb_args - 1]);
            return;
4701
        }
4702

4703
        ptype = next_arg_type(cmd->args_type);
B
bellard 已提交
4704 4705
        for(i = 0; i < nb_args - 2; i++) {
            if (*ptype != '\0') {
4706
                ptype = next_arg_type(ptype);
B
bellard 已提交
4707
                while (*ptype == '?')
4708
                    ptype = next_arg_type(ptype);
B
bellard 已提交
4709 4710 4711
            }
        }
        str = args[nb_args - 1];
K
Kevin Wolf 已提交
4712
        while (*ptype == '-' && ptype[1] != '\0') {
4713
            ptype = next_arg_type(ptype);
4714
        }
B
bellard 已提交
4715 4716 4717
        switch(*ptype) {
        case 'F':
            /* file completion */
4718
            readline_set_completion_index(mon->rs, strlen(str));
4719
            file_completion(mon, str);
B
bellard 已提交
4720 4721 4722
            break;
        case 'B':
            /* block device name completion */
4723
            readline_set_completion_index(mon->rs, strlen(str));
4724 4725 4726 4727 4728 4729 4730
            for (bs = bdrv_next(NULL); bs; bs = bdrv_next(bs)) {
                name = bdrv_get_device_name(bs);
                if (str[0] == '\0' ||
                    !strncmp(name, str, strlen(str))) {
                    readline_add_completion(mon->rs, name);
                }
            }
B
bellard 已提交
4731
            break;
B
bellard 已提交
4732
        case 's':
4733
        case 'S':
4734
            if (!strcmp(cmd->name, "help|?")) {
4735 4736
                monitor_find_completion_by_table(mon, cmd_table,
                                                 &args[1], nb_args - 1);
B
bellard 已提交
4737 4738
            }
            break;
B
bellard 已提交
4739 4740 4741 4742
        default:
            break;
        }
    }
4743 4744
}

4745
static void monitor_find_completion(void *opaque,
4746 4747
                                    const char *cmdline)
{
4748
    Monitor *mon = opaque;
4749 4750 4751 4752 4753 4754 4755 4756
    char *args[MAX_ARGS];
    int nb_args, len;

    /* 1. parse the cmdline */
    if (parse_cmdline(cmdline, &nb_args, args) < 0) {
        return;
    }
#ifdef DEBUG_COMPLETION
4757 4758 4759 4760 4761
    {
        int i;
        for (i = 0; i < nb_args; i++) {
            monitor_printf(mon, "arg%d = '%s'\n", i, args[i]);
        }
4762 4763 4764 4765 4766 4767 4768 4769 4770 4771 4772 4773 4774 4775 4776
    }
#endif

    /* if the line ends with a space, it means we want to complete the
       next arg */
    len = strlen(cmdline);
    if (len > 0 && qemu_isspace(cmdline[len - 1])) {
        if (nb_args >= MAX_ARGS) {
            goto cleanup;
        }
        args[nb_args++] = g_strdup("");
    }

    /* 2. auto complete according to args */
    monitor_find_completion_by_table(mon, mon->cmd_table, args, nb_args);
4777 4778

cleanup:
W
Wenchao Xia 已提交
4779
    free_cmdline_args(args, nb_args);
B
bellard 已提交
4780 4781
}

4782
static int monitor_can_read(void *opaque)
B
bellard 已提交
4783
{
4784 4785
    Monitor *mon = opaque;

J
Jan Kiszka 已提交
4786
    return (mon->suspend_cnt == 0) ? 1 : 0;
B
bellard 已提交
4787 4788
}

4789
static bool invalid_qmp_mode(const Monitor *mon, const mon_cmd_t *cmd)
L
Luiz Capitulino 已提交
4790
{
4791 4792 4793 4794 4795 4796 4797 4798 4799 4800 4801 4802 4803 4804
    bool is_cap = cmd->mhandler.cmd_new == do_qmp_capabilities;
    if (is_cap && qmp_cmd_mode(mon)) {
        qerror_report(ERROR_CLASS_COMMAND_NOT_FOUND,
                      "Capabilities negotiation is already complete, command "
                      "'%s' ignored", cmd->name);
        return true;
    }
    if (!is_cap && !qmp_cmd_mode(mon)) {
        qerror_report(ERROR_CLASS_COMMAND_NOT_FOUND,
                      "Expecting capabilities negotiation with "
                      "'qmp_capabilities' before command '%s'", cmd->name);
        return true;
    }
    return false;
L
Luiz Capitulino 已提交
4805 4806
}

4807 4808 4809 4810 4811 4812 4813 4814 4815 4816 4817 4818
/*
 * 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
4819
{
4820
    const QDictEntry *ent;
L
Luiz Capitulino 已提交
4821

4822 4823 4824 4825 4826 4827 4828 4829 4830 4831 4832 4833 4834 4835 4836 4837
    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
4838

4839 4840
        arg_type = qobject_to_qstring(obj);
        assert(arg_type != NULL);
L
Luiz Capitulino 已提交
4841

4842 4843
        /* check if argument's type is correct */
        switch (qstring_get_str(arg_type)[0]) {
L
Luiz Capitulino 已提交
4844 4845 4846
        case 'F':
        case 'B':
        case 's':
4847 4848 4849
            if (qobject_type(client_arg) != QTYPE_QSTRING) {
                qerror_report(QERR_INVALID_PARAMETER_TYPE, client_arg_name,
                              "string");
L
Luiz Capitulino 已提交
4850 4851
                return -1;
            }
4852
        break;
L
Luiz Capitulino 已提交
4853 4854
        case 'i':
        case 'l':
4855
        case 'M':
4856
        case 'o':
4857 4858 4859 4860
            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
4861 4862
            }
            break;
4863
        case 'T':
4864 4865 4866 4867 4868
            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; 
4869 4870
            }
            break;
4871
        case 'b':
L
Luiz Capitulino 已提交
4872
        case '-':
4873 4874 4875 4876
            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
4877 4878
            }
            break;
4879
        case 'O':
4880 4881
            assert(flags & QMP_ACCEPT_UNKNOWNS);
            break;
4882 4883 4884
        case 'q':
            /* Any QObject can be passed.  */
            break;
4885 4886 4887 4888 4889 4890
        case '/':
        case '.':
            /*
             * These types are not supported by QMP and thus are not
             * handled here. Fall through.
             */
L
Luiz Capitulino 已提交
4891 4892
        default:
            abort();
4893 4894 4895 4896 4897 4898
        }
    }

    return 0;
}

4899 4900 4901 4902 4903 4904 4905 4906 4907 4908 4909 4910 4911 4912 4913 4914 4915 4916 4917 4918 4919 4920 4921
/*
 * - 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
4922 4923 4924 4925 4926
    }

    return 0;
}

4927
static QDict *qdict_from_args_type(const char *args_type)
L
Luiz Capitulino 已提交
4928
{
4929 4930 4931 4932 4933 4934 4935 4936 4937 4938 4939 4940 4941 4942 4943 4944 4945 4946 4947 4948 4949 4950 4951 4952 4953 4954 4955 4956 4957 4958 4959 4960 4961 4962 4963 4964 4965 4966 4967 4968 4969
    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
4970 4971
}

4972 4973 4974 4975
/*
 * Client argument checking rules:
 *
 * 1. Client must provide all mandatory arguments
4976 4977 4978
 * 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
4979 4980
 */
static int qmp_check_client_args(const mon_cmd_t *cmd, QDict *client_args)
4981
{
4982 4983 4984 4985 4986 4987 4988 4989 4990 4991 4992
    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;
    }

4993
    err = check_client_args_type(client_args, cmd_args, flags);
4994 4995 4996 4997

out:
    QDECREF(cmd_args);
    return err;
4998 4999
}

L
Luiz Capitulino 已提交
5000
/*
5001
 * Input object checking rules
L
Luiz Capitulino 已提交
5002
 *
5003 5004 5005 5006 5007 5008
 * 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
5009
 */
5010
static QDict *qmp_check_input_obj(QObject *input_obj)
L
Luiz Capitulino 已提交
5011
{
5012 5013 5014
    const QDictEntry *ent;
    int has_exec_key = 0;
    QDict *input_dict;
L
Luiz Capitulino 已提交
5015

5016 5017 5018
    if (qobject_type(input_obj) != QTYPE_QDICT) {
        qerror_report(QERR_QMP_BAD_INPUT_OBJECT, "object");
        return NULL;
L
Luiz Capitulino 已提交
5019 5020
    }

5021
    input_dict = qobject_to_qdict(input_obj);
L
Luiz Capitulino 已提交
5022

5023 5024 5025
    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
5026

5027 5028 5029 5030 5031
        if (!strcmp(arg_name, "execute")) {
            if (qobject_type(arg_obj) != QTYPE_QSTRING) {
                qerror_report(QERR_QMP_BAD_INPUT_OBJECT_MEMBER, "execute",
                              "string");
                return NULL;
5032
            }
5033 5034 5035 5036 5037 5038
            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
5039
            }
5040 5041
        } else if (!strcmp(arg_name, "id")) {
            /* FIXME: check duplicated IDs for async commands */
L
Luiz Capitulino 已提交
5042
        } else {
5043 5044
            qerror_report(QERR_QMP_EXTRA_MEMBER, arg_name);
            return NULL;
L
Luiz Capitulino 已提交
5045 5046 5047
        }
    }

5048 5049 5050 5051
    if (!has_exec_key) {
        qerror_report(QERR_QMP_BAD_INPUT_OBJECT, "execute");
        return NULL;
    }
L
Luiz Capitulino 已提交
5052

5053
    return input_dict;
5054 5055
}

L
Luiz Capitulino 已提交
5056 5057 5058 5059 5060 5061 5062 5063 5064 5065 5066 5067
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
5068 5069 5070 5071 5072 5073
static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
{
    int err;
    QObject *obj;
    QDict *input, *args;
    const mon_cmd_t *cmd;
5074
    const char *cmd_name;
L
Luiz Capitulino 已提交
5075 5076
    Monitor *mon = cur_mon;

5077
    args = input = NULL;
L
Luiz Capitulino 已提交
5078 5079 5080 5081

    obj = json_parser_parse(tokens, NULL);
    if (!obj) {
        // FIXME: should be triggered in json_parser_parse()
5082
        qerror_report(QERR_JSON_PARSING);
L
Luiz Capitulino 已提交
5083 5084 5085
        goto err_out;
    }

5086 5087
    input = qmp_check_input_obj(obj);
    if (!input) {
L
Luiz Capitulino 已提交
5088 5089 5090 5091 5092 5093 5094
        qobject_decref(obj);
        goto err_out;
    }

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

5095
    cmd_name = qdict_get_str(input, "execute");
5096
    trace_handle_qmp_command(mon, cmd_name);
5097
    cmd = qmp_find_cmd(cmd_name);
5098
    if (!cmd) {
5099 5100
        qerror_report(ERROR_CLASS_COMMAND_NOT_FOUND,
                      "The command %s has not been found", cmd_name);
5101
        goto err_out;
L
Luiz Capitulino 已提交
5102
    }
5103 5104 5105
    if (invalid_qmp_mode(mon, cmd)) {
        goto err_out;
    }
L
Luiz Capitulino 已提交
5106 5107 5108 5109 5110 5111 5112 5113 5114

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

5115
    err = qmp_check_client_args(cmd, args);
L
Luiz Capitulino 已提交
5116 5117 5118 5119
    if (err < 0) {
        goto err_out;
    }

5120
    if (handler_is_async(cmd)) {
5121 5122 5123 5124 5125
        err = qmp_async_cmd_handler(mon, cmd, args);
        if (err) {
            /* emit the error response */
            goto err_out;
        }
5126
    } else {
L
Luiz Capitulino 已提交
5127
        qmp_call_cmd(mon, cmd, args);
5128
    }
5129

L
Luiz Capitulino 已提交
5130 5131 5132 5133 5134
    goto out;

err_out:
    monitor_protocol_emitter(mon, NULL);
out:
5135
    QDECREF(input);
L
Luiz Capitulino 已提交
5136 5137 5138
    QDECREF(args);
}

L
Luiz Capitulino 已提交
5139 5140 5141 5142 5143 5144 5145 5146 5147
/**
 * 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
5148
    json_message_parser_feed(&cur_mon->mc->parser, (const char *) buf, size);
L
Luiz Capitulino 已提交
5149 5150 5151 5152

    cur_mon = old_mon;
}

5153
static void monitor_read(void *opaque, const uint8_t *buf, int size)
B
bellard 已提交
5154
{
5155
    Monitor *old_mon = cur_mon;
5156
    int i;
A
aliguori 已提交
5157

5158 5159
    cur_mon = opaque;

5160 5161 5162 5163 5164 5165 5166
    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
5167
            handle_user_command(cur_mon, (char *)buf);
5168
    }
B
bellard 已提交
5169

5170 5171
    cur_mon = old_mon;
}
5172

5173 5174
static void monitor_command_cb(void *opaque, const char *cmdline,
                               void *readline_opaque)
B
bellard 已提交
5175
{
5176 5177
    Monitor *mon = opaque;

5178
    monitor_suspend(mon);
5179
    handle_user_command(mon, cmdline);
5180
    monitor_resume(mon);
5181 5182
}

5183
int monitor_suspend(Monitor *mon)
5184
{
5185 5186
    if (!mon->rs)
        return -ENOTTY;
5187
    mon->suspend_cnt++;
5188
    return 0;
5189 5190
}

A
aliguori 已提交
5191
void monitor_resume(Monitor *mon)
5192
{
5193 5194
    if (!mon->rs)
        return;
5195 5196
    if (--mon->suspend_cnt == 0)
        readline_show_prompt(mon->rs);
B
bellard 已提交
5197 5198
}

5199 5200
static QObject *get_qmp_greeting(void)
{
L
Luiz Capitulino 已提交
5201
    QObject *ver = NULL;
5202

L
Luiz Capitulino 已提交
5203
    qmp_marshal_input_query_version(NULL, NULL, &ver);
5204 5205 5206
    return qobject_from_jsonf("{'QMP':{'version': %p,'capabilities': []}}",ver);
}

L
Luiz Capitulino 已提交
5207 5208 5209 5210 5211
/**
 * monitor_control_event(): Print QMP gretting
 */
static void monitor_control_event(void *opaque, int event)
{
5212 5213
    QObject *data;
    Monitor *mon = opaque;
L
Luiz Capitulino 已提交
5214

5215 5216
    switch (event) {
    case CHR_EVENT_OPENED:
5217
        mon->mc->command_mode = 0;
5218
        data = get_qmp_greeting();
L
Luiz Capitulino 已提交
5219 5220
        monitor_json_emitter(mon, data);
        qobject_decref(data);
5221
        mon_refcount++;
5222 5223 5224
        break;
    case CHR_EVENT_CLOSED:
        json_message_parser_destroy(&mon->mc->parser);
5225
        json_message_parser_init(&mon->mc->parser, handle_qmp_command);
5226 5227
        mon_refcount--;
        monitor_fdsets_cleanup();
5228
        break;
L
Luiz Capitulino 已提交
5229 5230 5231
    }
}

5232
static void monitor_event(void *opaque, int event)
5233
{
A
aliguori 已提交
5234 5235
    Monitor *mon = opaque;

5236 5237
    switch (event) {
    case CHR_EVENT_MUX_IN:
5238
        qemu_mutex_lock(&mon->out_lock);
G
Gerd Hoffmann 已提交
5239
        mon->mux_out = 0;
5240
        qemu_mutex_unlock(&mon->out_lock);
G
Gerd Hoffmann 已提交
5241 5242 5243 5244 5245 5246 5247
        if (mon->reset_seen) {
            readline_restart(mon->rs);
            monitor_resume(mon);
            monitor_flush(mon);
        } else {
            mon->suspend_cnt = 0;
        }
5248 5249 5250
        break;

    case CHR_EVENT_MUX_OUT:
G
Gerd Hoffmann 已提交
5251 5252 5253 5254 5255 5256 5257 5258 5259
        if (mon->reset_seen) {
            if (mon->suspend_cnt == 0) {
                monitor_printf(mon, "\n");
            }
            monitor_flush(mon);
            monitor_suspend(mon);
        } else {
            mon->suspend_cnt++;
        }
5260
        qemu_mutex_lock(&mon->out_lock);
G
Gerd Hoffmann 已提交
5261
        mon->mux_out = 1;
5262
        qemu_mutex_unlock(&mon->out_lock);
5263
        break;
5264

5265
    case CHR_EVENT_OPENED:
5266 5267
        monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
                       "information\n", QEMU_VERSION);
G
Gerd Hoffmann 已提交
5268
        if (!mon->mux_out) {
5269
            readline_restart(mon->rs);
5270
            readline_show_prompt(mon->rs);
G
Gerd Hoffmann 已提交
5271 5272
        }
        mon->reset_seen = 1;
5273 5274 5275 5276 5277 5278
        mon_refcount++;
        break;

    case CHR_EVENT_CLOSED:
        mon_refcount--;
        monitor_fdsets_cleanup();
5279 5280
        break;
    }
5281 5282
}

5283 5284 5285 5286 5287 5288 5289 5290 5291 5292 5293 5294 5295 5296 5297 5298 5299 5300 5301
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);
}

5302 5303 5304 5305 5306 5307 5308 5309 5310

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

5311 5312 5313
/* These functions just adapt the readline interface in a typesafe way.  We
 * could cast function pointers but that discards compiler checks.
 */
S
Stefan Weil 已提交
5314 5315
static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque,
                                                       const char *fmt, ...)
5316 5317 5318 5319 5320 5321 5322 5323 5324 5325 5326 5327
{
    va_list ap;
    va_start(ap, fmt);
    monitor_vprintf(opaque, fmt, ap);
    va_end(ap);
}

static void monitor_readline_flush(void *opaque)
{
    monitor_flush(opaque);
}

P
Paolo Bonzini 已提交
5328 5329 5330 5331 5332
static void __attribute__((constructor)) monitor_lock_init(void)
{
    qemu_mutex_init(&monitor_lock);
}

5333
void monitor_init(CharDriverState *chr, int flags)
B
bellard 已提交
5334
{
5335
    static int is_first_init = 1;
5336
    Monitor *mon;
T
ths 已提交
5337 5338

    if (is_first_init) {
5339
        monitor_qapi_event_init();
5340
        sortcmdlist();
T
ths 已提交
5341 5342
        is_first_init = 0;
    }
5343

5344 5345
    mon = g_malloc(sizeof(*mon));
    monitor_data_init(mon);
T
ths 已提交
5346

5347
    mon->chr = chr;
5348
    mon->flags = flags;
5349
    if (flags & MONITOR_USE_READLINE) {
5350 5351 5352 5353
        mon->rs = readline_init(monitor_readline_printf,
                                monitor_readline_flush,
                                mon,
                                monitor_find_completion);
5354 5355
        monitor_read_command(mon, 0);
    }
5356

L
Luiz Capitulino 已提交
5357
    if (monitor_ctrl_mode(mon)) {
5358
        mon->mc = g_malloc0(sizeof(MonitorControl));
L
Luiz Capitulino 已提交
5359 5360 5361
        /* Control mode requires special handlers */
        qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
                              monitor_control_event, mon);
5362
        qemu_chr_fe_set_echo(chr, true);
5363 5364

        json_message_parser_init(&mon->mc->parser, handle_qmp_command);
L
Luiz Capitulino 已提交
5365 5366 5367 5368
    } else {
        qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
                              monitor_event, mon);
    }
5369

P
Paolo Bonzini 已提交
5370
    qemu_mutex_lock(&monitor_lock);
B
Blue Swirl 已提交
5371
    QLIST_INSERT_HEAD(&mon_list, mon, entry);
P
Paolo Bonzini 已提交
5372 5373
    qemu_mutex_unlock(&monitor_lock);

5374 5375
    if (!default_mon || (flags & MONITOR_IS_DEFAULT))
        default_mon = mon;
B
bellard 已提交
5376 5377
}

5378 5379
static void bdrv_password_cb(void *opaque, const char *password,
                             void *readline_opaque)
B
bellard 已提交
5380
{
5381 5382
    Monitor *mon = opaque;
    BlockDriverState *bs = readline_opaque;
5383
    int ret = 0;
5384
    Error *local_err = NULL;
B
bellard 已提交
5385

5386 5387 5388 5389
    bdrv_add_key(bs, password, &local_err);
    if (local_err) {
        monitor_printf(mon, "%s\n", error_get_pretty(local_err));
        error_free(local_err);
5390
        ret = -EPERM;
B
bellard 已提交
5391
    }
5392 5393
    if (mon->password_completion_cb)
        mon->password_completion_cb(mon->password_opaque, ret);
5394

5395
    monitor_read_command(mon, 1);
B
bellard 已提交
5396
}
5397

A
Anthony Liguori 已提交
5398 5399 5400 5401 5402
ReadLineState *monitor_get_rs(Monitor *mon)
{
    return mon->rs;
}

5403
int monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
5404
                                BlockCompletionFunc *completion_cb,
5405
                                void *opaque)
5406
{
5407 5408
    int err;

A
aliguori 已提交
5409 5410
    monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
                   bdrv_get_encrypted_filename(bs));
5411

5412 5413
    mon->password_completion_cb = completion_cb;
    mon->password_opaque = opaque;
5414

5415 5416 5417 5418
    err = monitor_read_password(mon, bdrv_password_cb, bs);

    if (err && completion_cb)
        completion_cb(opaque, err);
5419 5420

    return err;
5421
}
L
Luiz Capitulino 已提交
5422 5423

int monitor_read_block_device_key(Monitor *mon, const char *device,
5424
                                  BlockCompletionFunc *completion_cb,
L
Luiz Capitulino 已提交
5425 5426
                                  void *opaque)
{
5427
    Error *err = NULL;
5428
    BlockBackend *blk;
L
Luiz Capitulino 已提交
5429

5430 5431
    blk = blk_by_name(device);
    if (!blk) {
L
Luiz Capitulino 已提交
5432 5433 5434 5435
        monitor_printf(mon, "Device not found %s\n", device);
        return -1;
    }

5436 5437 5438 5439 5440 5441 5442 5443 5444 5445
    bdrv_add_key(blk_bs(blk), NULL, &err);
    if (err) {
        error_free(err);
        return monitor_read_bdrv_key_start(mon, blk_bs(blk), completion_cb, opaque);
    }

    if (completion_cb) {
        completion_cb(opaque, 0);
    }
    return 0;
L
Luiz Capitulino 已提交
5446
}
5447 5448 5449 5450 5451 5452 5453 5454 5455 5456 5457 5458 5459 5460 5461 5462 5463 5464 5465 5466 5467 5468

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 */ }
    },
};
5469 5470 5471 5472 5473 5474 5475

#ifndef TARGET_I386
void qmp_rtc_reset_reinjection(Error **errp)
{
    error_set(errp, QERR_FEATURE_DISABLED, "rtc-reset-reinjection");
}
#endif