X-Git-Url: http://git.maemo.org/git/?a=blobdiff_plain;f=monitor.c;h=f5f4d0e084c722e385f2bff2a388446d0c81973c;hb=7591c5c19951def341139c3874bdc7289f9813d1;hp=b323af94ba6a30f338658f45caf66c82b8455e95;hpb=bb9ea79e7a177acce6f8017eef794662ee219c97;p=qemu

diff --git a/monitor.c b/monitor.c
index b323af9..f5f4d0e 100644
--- a/monitor.c
+++ b/monitor.c
@@ -23,10 +23,12 @@
  */
 #include <dirent.h>
 #include "hw/hw.h"
+#include "hw/qdev.h"
 #include "hw/usb.h"
 #include "hw/pcmcia.h"
 #include "hw/pc.h"
 #include "hw/pci.h"
+#include "hw/watchdog.h"
 #include "gdbstub.h"
 #include "net.h"
 #include "qemu-char.h"
@@ -42,6 +44,9 @@
 #include "migration.h"
 #include "kvm.h"
 #include "acl.h"
+#include "qint.h"
+#include "qdict.h"
+#include "qstring.h"
 
 //#define DEBUG
 //#define DEBUG_COMPLETION
@@ -56,7 +61,9 @@
  * 'l'          target long (32 or 64 bit)
  * '/'          optional gdb-like print format (like "/10x")
  *
- * '?'          optional type (for 'F', 's' and 'i')
+ * '?'          optional type (for all types, except '/')
+ * '.'          other form of optional type (for 'i' and 'l')
+ * '-'          optional parameter (eg. '-f')
  *
  */
 
@@ -68,6 +75,14 @@ typedef struct mon_cmd_t {
     const char *help;
 } mon_cmd_t;
 
+/* file descriptors passed via SCM_RIGHTS */
+typedef struct mon_fd_t mon_fd_t;
+struct mon_fd_t {
+    char *name;
+    int fd;
+    LIST_ENTRY(mon_fd_t) next;
+};
+
 struct Monitor {
     CharDriverState *chr;
     int flags;
@@ -78,6 +93,7 @@ struct Monitor {
     CPUState *mon_cpu;
     BlockDriverCompletionFunc *password_completion_cb;
     void *password_opaque;
+    LIST_HEAD(,mon_fd_t) fds;
     LIST_ENTRY(Monitor) entry;
 };
 
@@ -240,21 +256,30 @@ static void help_cmd(Monitor *mon, const char *name)
     }
 }
 
-static void do_commit(Monitor *mon, const char *device)
+static void do_help_cmd(Monitor *mon, const QDict *qdict)
+{
+    help_cmd(mon, qdict_get_try_str(qdict, "name"));
+}
+
+static void do_commit(Monitor *mon, const QDict *qdict)
 {
-    int i, all_devices;
+    int all_devices;
+    DriveInfo *dinfo;
+    const char *device = qdict_get_str(qdict, "device");
 
     all_devices = !strcmp(device, "all");
-    for (i = 0; i < nb_drives; i++) {
-            if (all_devices ||
-                !strcmp(bdrv_get_device_name(drives_table[i].bdrv), device))
-                bdrv_commit(drives_table[i].bdrv);
+    TAILQ_FOREACH(dinfo, &drives, next) {
+        if (!all_devices)
+            if (strcmp(bdrv_get_device_name(dinfo->bdrv), device))
+                continue;
+        bdrv_commit(dinfo->bdrv);
     }
 }
 
-static void do_info(Monitor *mon, const char *item)
+static void do_info(Monitor *mon, const QDict *qdict)
 {
     const mon_cmd_t *cmd;
+    const char *item = qdict_get_try_str(qdict, "item");
     void (*handler)(Monitor *);
 
     if (!item)
@@ -318,7 +343,7 @@ static CPUState *mon_get_cpu(void)
     if (!cur_mon->mon_cpu) {
         mon_set_cpu(0);
     }
-    cpu_synchronize_state(cur_mon->mon_cpu, 0);
+    cpu_synchronize_state(cur_mon->mon_cpu);
     return cur_mon->mon_cpu;
 }
 
@@ -345,7 +370,7 @@ static void do_info_cpus(Monitor *mon)
     mon_get_cpu();
 
     for(env = first_cpu; env != NULL; env = env->next_cpu) {
-        cpu_synchronize_state(env, 0);
+        cpu_synchronize_state(env);
         monitor_printf(mon, "%c CPU #%d:",
                        (env == mon->mon_cpu) ? '*' : ' ',
                        env->cpu_index);
@@ -366,8 +391,9 @@ static void do_info_cpus(Monitor *mon)
     }
 }
 
-static void do_cpu_set(Monitor *mon, int index)
+static void do_cpu_set(Monitor *mon, const QDict *qdict)
 {
+    int index = qdict_get_int(qdict, "index");
     if (mon_set_cpu(index) < 0)
         monitor_printf(mon, "Invalid CPU index\n");
 }
@@ -405,7 +431,7 @@ static void do_info_cpu_stats(Monitor *mon)
 }
 #endif
 
-static void do_quit(Monitor *mon)
+static void do_quit(Monitor *mon, const QDict *qdict)
 {
     exit(0);
 }
@@ -428,9 +454,11 @@ static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
     return 0;
 }
 
-static void do_eject(Monitor *mon, int force, const char *filename)
+static void do_eject(Monitor *mon, const QDict *qdict)
 {
     BlockDriverState *bs;
+    int force = qdict_get_int(qdict, "force");
+    const char *filename = qdict_get_str(qdict, "filename");
 
     bs = bdrv_find(filename);
     if (!bs) {
@@ -491,9 +519,11 @@ static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
     }
 }
 
-static void do_change(Monitor *mon, const char *device, const char *target,
-                      const char *arg)
+static void do_change(Monitor *mon, const QDict *qdict)
 {
+    const char *device = qdict_get_str(qdict, "device");
+    const char *target = qdict_get_str(qdict, "target");
+    const char *arg = qdict_get_try_str(qdict, "arg");
     if (strcmp(device, "vnc") == 0) {
         do_change_vnc(mon, target, arg);
     } else {
@@ -501,19 +531,20 @@ static void do_change(Monitor *mon, const char *device, const char *target,
     }
 }
 
-static void do_screen_dump(Monitor *mon, const char *filename)
+static void do_screen_dump(Monitor *mon, const QDict *qdict)
 {
-    vga_hw_screen_dump(filename);
+    vga_hw_screen_dump(qdict_get_str(qdict, "filename"));
 }
 
-static void do_logfile(Monitor *mon, const char *filename)
+static void do_logfile(Monitor *mon, const QDict *qdict)
 {
-    cpu_set_log_filename(filename);
+    cpu_set_log_filename(qdict_get_str(qdict, "filename"));
 }
 
-static void do_log(Monitor *mon, const char *items)
+static void do_log(Monitor *mon, const QDict *qdict)
 {
     int mask;
+    const char *items = qdict_get_str(qdict, "items");
 
     if (!strcmp(items, "none")) {
         mask = 0;
@@ -527,8 +558,9 @@ static void do_log(Monitor *mon, const char *items)
     cpu_set_log(mask);
 }
 
-static void do_singlestep(Monitor *mon, const char *option)
+static void do_singlestep(Monitor *mon, const QDict *qdict)
 {
+    const char *option = qdict_get_try_str(qdict, "option");
     if (!option || !strcmp(option, "on")) {
         singlestep = 1;
     } else if (!strcmp(option, "off")) {
@@ -538,7 +570,7 @@ static void do_singlestep(Monitor *mon, const char *option)
     }
 }
 
-static void do_stop(Monitor *mon)
+static void do_stop(Monitor *mon, const QDict *qdict)
 {
     vm_stop(EXCP_INTERRUPT);
 }
@@ -550,7 +582,7 @@ struct bdrv_iterate_context {
     int err;
 };
 
-static void do_cont(Monitor *mon)
+static void do_cont(Monitor *mon, const QDict *qdict)
 {
     struct bdrv_iterate_context context = { mon, 0 };
 
@@ -566,7 +598,7 @@ static void bdrv_key_cb(void *opaque, int err)
 
     /* another key was set successfully, retry to continue */
     if (!err)
-        do_cont(mon);
+        do_cont(mon, NULL);
 }
 
 static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
@@ -580,9 +612,9 @@ static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
     }
 }
 
-#ifdef CONFIG_GDBSTUB
-static void do_gdbserver(Monitor *mon, const char *device)
+static void do_gdbserver(Monitor *mon, const QDict *qdict)
 {
+    const char *device = qdict_get_try_str(qdict, "device");
     if (!device)
         device = "tcp::" DEFAULT_GDBSTUB_PORT;
     if (gdbserver_start(device) < 0) {
@@ -595,7 +627,14 @@ static void do_gdbserver(Monitor *mon, const char *device)
                        device);
     }
 }
-#endif
+
+static void do_watchdog_action(Monitor *mon, const QDict *qdict)
+{
+    const char *action = qdict_get_str(qdict, "action");
+    if (select_watchdog_action(action) == -1) {
+        monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
+    }
+}
 
 static void monitor_printc(Monitor *mon, int c)
 {
@@ -749,37 +788,31 @@ static void memory_dump(Monitor *mon, int count, int format, int wsize,
     }
 }
 
-#if TARGET_LONG_BITS == 64
-#define GET_TLONG(h, l) (((uint64_t)(h) << 32) | (l))
-#else
-#define GET_TLONG(h, l) (l)
-#endif
-
-static void do_memory_dump(Monitor *mon, int count, int format, int size,
-                           uint32_t addrh, uint32_t addrl)
+static void do_memory_dump(Monitor *mon, const QDict *qdict)
 {
-    target_long addr = GET_TLONG(addrh, addrl);
+    int count = qdict_get_int(qdict, "count");
+    int format = qdict_get_int(qdict, "format");
+    int size = qdict_get_int(qdict, "size");
+    target_long addr = qdict_get_int(qdict, "addr");
+
     memory_dump(mon, count, format, size, addr, 0);
 }
 
-#if TARGET_PHYS_ADDR_BITS > 32
-#define GET_TPHYSADDR(h, l) (((uint64_t)(h) << 32) | (l))
-#else
-#define GET_TPHYSADDR(h, l) (l)
-#endif
-
-static void do_physical_memory_dump(Monitor *mon, int count, int format,
-                                    int size, uint32_t addrh, uint32_t addrl)
-
+static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
 {
-    target_phys_addr_t addr = GET_TPHYSADDR(addrh, addrl);
+    int count = qdict_get_int(qdict, "count");
+    int format = qdict_get_int(qdict, "format");
+    int size = qdict_get_int(qdict, "size");
+    target_phys_addr_t addr = qdict_get_int(qdict, "addr");
+
     memory_dump(mon, count, format, size, addr, 1);
 }
 
-static void do_print(Monitor *mon, int count, int format, int size,
-                     unsigned int valh, unsigned int vall)
+static void do_print(Monitor *mon, const QDict *qdict)
 {
-    target_phys_addr_t val = GET_TPHYSADDR(valh, vall);
+    int format = qdict_get_int(qdict, "format");
+    target_phys_addr_t val = qdict_get_int(qdict, "val");
+
 #if TARGET_PHYS_ADDR_BITS == 32
     switch(format) {
     case 'o':
@@ -822,11 +855,12 @@ static void do_print(Monitor *mon, int count, int format, int size,
     monitor_printf(mon, "\n");
 }
 
-static void do_memory_save(Monitor *mon, unsigned int valh, unsigned int vall,
-                           uint32_t size, const char *filename)
+static void do_memory_save(Monitor *mon, const QDict *qdict)
 {
     FILE *f;
-    target_long addr = GET_TLONG(valh, vall);
+    uint32_t size = qdict_get_int(qdict, "size");
+    const char *filename = qdict_get_str(qdict, "filename");
+    target_long addr = qdict_get_int(qdict, "val");
     uint32_t l;
     CPUState *env;
     uint8_t buf[1024];
@@ -852,14 +886,14 @@ static void do_memory_save(Monitor *mon, unsigned int valh, unsigned int vall,
     fclose(f);
 }
 
-static void do_physical_memory_save(Monitor *mon, unsigned int valh,
-                                    unsigned int vall, uint32_t size,
-                                    const char *filename)
+static void do_physical_memory_save(Monitor *mon, const QDict *qdict)
 {
     FILE *f;
     uint32_t l;
     uint8_t buf[1024];
-    target_phys_addr_t addr = GET_TPHYSADDR(valh, vall); 
+    uint32_t size = qdict_get_int(qdict, "size");
+    const char *filename = qdict_get_str(qdict, "filename");
+    target_phys_addr_t addr = qdict_get_int(qdict, "val");
 
     f = fopen(filename, "wb");
     if (!f) {
@@ -879,11 +913,13 @@ static void do_physical_memory_save(Monitor *mon, unsigned int valh,
     fclose(f);
 }
 
-static void do_sum(Monitor *mon, uint32_t start, uint32_t size)
+static void do_sum(Monitor *mon, const QDict *qdict)
 {
     uint32_t addr;
     uint8_t buf[1];
     uint16_t sum;
+    uint32_t start = qdict_get_int(qdict, "start");
+    uint32_t size = qdict_get_int(qdict, "size");
 
     sum = 0;
     for(addr = start; addr < (start + size); addr++) {
@@ -1075,12 +1111,14 @@ static void release_keys(void *opaque)
     }
 }
 
-static void do_sendkey(Monitor *mon, const char *string, int has_hold_time,
-                       int hold_time)
+static void do_sendkey(Monitor *mon, const QDict *qdict)
 {
     char keyname_buf[16];
     char *separator;
     int keyname_len, keycode, i;
+    const char *string = qdict_get_str(qdict, "string");
+    int has_hold_time = qdict_haskey(qdict, "hold_time");
+    int hold_time = qdict_get_try_int(qdict, "hold_time", -1);
 
     if (nb_pending_keycodes > 0) {
         qemu_del_timer(key_timer);
@@ -1129,10 +1167,12 @@ static void do_sendkey(Monitor *mon, const char *string, int has_hold_time,
 
 static int mouse_button_state;
 
-static void do_mouse_move(Monitor *mon, const char *dx_str, const char *dy_str,
-                          const char *dz_str)
+static void do_mouse_move(Monitor *mon, const QDict *qdict)
 {
     int dx, dy, dz;
+    const char *dx_str = qdict_get_str(qdict, "dx_str");
+    const char *dy_str = qdict_get_str(qdict, "dy_str");
+    const char *dz_str = qdict_get_try_str(qdict, "dz_str");
     dx = strtol(dx_str, NULL, 0);
     dy = strtol(dy_str, NULL, 0);
     dz = 0;
@@ -1141,20 +1181,24 @@ static void do_mouse_move(Monitor *mon, const char *dx_str, const char *dy_str,
     kbd_mouse_event(dx, dy, dz, mouse_button_state);
 }
 
-static void do_mouse_button(Monitor *mon, int button_state)
+static void do_mouse_button(Monitor *mon, const QDict *qdict)
 {
+    int button_state = qdict_get_int(qdict, "button_state");
     mouse_button_state = button_state;
     kbd_mouse_event(0, 0, 0, mouse_button_state);
 }
 
-static void do_ioport_read(Monitor *mon, int count, int format, int size,
-                           int addr, int has_index, int index)
+static void do_ioport_read(Monitor *mon, const QDict *qdict)
 {
+    int size = qdict_get_int(qdict, "size");
+    int addr = qdict_get_int(qdict, "addr");
+    int has_index = qdict_haskey(qdict, "index");
     uint32_t val;
     int suffix;
 
     if (has_index) {
-        cpu_outb(NULL, addr & 0xffff, index & 0xff);
+        int index = qdict_get_int(qdict, "index");
+        cpu_outb(NULL, addr & IOPORTS_MASK, index & 0xff);
         addr++;
     }
     addr &= 0xffff;
@@ -1178,40 +1222,50 @@ static void do_ioport_read(Monitor *mon, int count, int format, int size,
                    suffix, addr, size * 2, val);
 }
 
-/* boot_set handler */
-static QEMUBootSetHandler *qemu_boot_set_handler = NULL;
-static void *boot_opaque;
-
-void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
+static void do_ioport_write(Monitor *mon, const QDict *qdict)
 {
-    qemu_boot_set_handler = func;
-    boot_opaque = opaque;
+    int size = qdict_get_int(qdict, "size");
+    int addr = qdict_get_int(qdict, "addr");
+    int val = qdict_get_int(qdict, "val");
+
+    addr &= IOPORTS_MASK;
+
+    switch (size) {
+    default:
+    case 1:
+        cpu_outb(NULL, addr, val);
+        break;
+    case 2:
+        cpu_outw(NULL, addr, val);
+        break;
+    case 4:
+        cpu_outl(NULL, addr, val);
+        break;
+    }
 }
 
-static void do_boot_set(Monitor *mon, const char *bootdevice)
+static void do_boot_set(Monitor *mon, const QDict *qdict)
 {
     int res;
+    const char *bootdevice = qdict_get_str(qdict, "bootdevice");
 
-    if (qemu_boot_set_handler)  {
-        res = qemu_boot_set_handler(boot_opaque, bootdevice);
-        if (res == 0)
-            monitor_printf(mon, "boot device list now set to %s\n",
-                           bootdevice);
-        else
-            monitor_printf(mon, "setting boot device list failed with "
-                           "error %i\n", res);
+    res = qemu_boot_set(bootdevice);
+    if (res == 0) {
+        monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
+    } else if (res > 0) {
+        monitor_printf(mon, "setting boot device list failed\n");
     } else {
         monitor_printf(mon, "no function defined to set boot device list for "
                        "this architecture\n");
     }
 }
 
-static void do_system_reset(Monitor *mon)
+static void do_system_reset(Monitor *mon, const QDict *qdict)
 {
     qemu_system_reset_request();
 }
 
-static void do_system_powerdown(Monitor *mon)
+static void do_system_powerdown(Monitor *mon, const QDict *qdict)
 {
     qemu_system_powerdown_request();
 }
@@ -1366,36 +1420,6 @@ static void tlb_info(Monitor *mon)
 
 #endif
 
-static void do_info_kqemu(Monitor *mon)
-{
-#ifdef CONFIG_KQEMU
-    CPUState *env;
-    int val;
-    val = 0;
-    env = mon_get_cpu();
-    if (!env) {
-        monitor_printf(mon, "No cpu initialized yet");
-        return;
-    }
-    val = env->kqemu_enabled;
-    monitor_printf(mon, "kqemu support: ");
-    switch(val) {
-    default:
-    case 0:
-        monitor_printf(mon, "disabled\n");
-        break;
-    case 1:
-        monitor_printf(mon, "enabled for user code\n");
-        break;
-    case 2:
-        monitor_printf(mon, "enabled for user and kernel code\n");
-        break;
-    }
-#else
-    monitor_printf(mon, "kqemu support: not compiled\n");
-#endif
-}
-
 static void do_info_kvm(Monitor *mon)
 {
 #ifdef CONFIG_KVM
@@ -1409,15 +1433,26 @@ static void do_info_kvm(Monitor *mon)
 #endif
 }
 
-#ifdef CONFIG_PROFILER
+static void do_info_numa(Monitor *mon)
+{
+    int i;
+    CPUState *env;
+
+    monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
+    for (i = 0; i < nb_numa_nodes; i++) {
+        monitor_printf(mon, "node %d cpus:", i);
+        for (env = first_cpu; env != NULL; env = env->next_cpu) {
+            if (env->numa_node == i) {
+                monitor_printf(mon, " %d", env->cpu_index);
+            }
+        }
+        monitor_printf(mon, "\n");
+        monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
+            node_mem[i] >> 20);
+    }
+}
 
-int64_t kqemu_time;
-int64_t qemu_time;
-int64_t kqemu_exec_count;
-int64_t dev_time;
-int64_t kqemu_ret_int_count;
-int64_t kqemu_ret_excp_count;
-int64_t kqemu_ret_intr_count;
+#ifdef CONFIG_PROFILER
 
 static void do_info_profile(Monitor *mon)
 {
@@ -1429,25 +1464,8 @@ static void do_info_profile(Monitor *mon)
                    dev_time, dev_time / (double)ticks_per_sec);
     monitor_printf(mon, "qemu time   %" PRId64 " (%0.3f)\n",
                    qemu_time, qemu_time / (double)ticks_per_sec);
-    monitor_printf(mon, "kqemu time  %" PRId64 " (%0.3f %0.1f%%) count=%"
-                        PRId64 " int=%" PRId64 " excp=%" PRId64 " intr=%"
-                        PRId64 "\n",
-                   kqemu_time, kqemu_time / (double)ticks_per_sec,
-                   kqemu_time / (double)total * 100.0,
-                   kqemu_exec_count,
-                   kqemu_ret_int_count,
-                   kqemu_ret_excp_count,
-                   kqemu_ret_intr_count);
     qemu_time = 0;
-    kqemu_time = 0;
-    kqemu_exec_count = 0;
     dev_time = 0;
-    kqemu_ret_int_count = 0;
-    kqemu_ret_excp_count = 0;
-    kqemu_ret_intr_count = 0;
-#ifdef CONFIG_KQEMU
-    kqemu_record_dump();
-#endif
 }
 #else
 static void do_info_profile(Monitor *mon)
@@ -1470,9 +1488,11 @@ static void do_info_capture(Monitor *mon)
     }
 }
 
-static void do_stop_capture(Monitor *mon, int n)
+#ifdef HAS_AUDIO
+static void do_stop_capture(Monitor *mon, const QDict *qdict)
 {
     int i;
+    int n = qdict_get_int(qdict, "n");
     CaptureState *s;
 
     for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
@@ -1485,12 +1505,15 @@ static void do_stop_capture(Monitor *mon, int n)
     }
 }
 
-#ifdef HAS_AUDIO
-static void do_wav_capture(Monitor *mon, const char *path,
-                           int has_freq, int freq,
-                           int has_bits, int bits,
-                           int has_channels, int nchannels)
+static void do_wav_capture(Monitor *mon, const QDict *qdict)
 {
+    const char *path = qdict_get_str(qdict, "path");
+    int has_freq = qdict_haskey(qdict, "freq");
+    int freq = qdict_get_try_int(qdict, "freq", -1);
+    int has_bits = qdict_haskey(qdict, "bits");
+    int bits = qdict_get_try_int(qdict, "bits", -1);
+    int has_channels = qdict_haskey(qdict, "nchannels");
+    int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
     CaptureState *s;
 
     s = qemu_mallocz (sizeof (*s));
@@ -1508,9 +1531,10 @@ static void do_wav_capture(Monitor *mon, const char *path,
 #endif
 
 #if defined(TARGET_I386)
-static void do_inject_nmi(Monitor *mon, int cpu_index)
+static void do_inject_nmi(Monitor *mon, const QDict *qdict)
 {
     CPUState *env;
+    int cpu_index = qdict_get_int(qdict, "cpu_index");
 
     for (env = first_cpu; env != NULL; env = env->next_cpu)
         if (env->cpu_index == cpu_index) {
@@ -1533,8 +1557,9 @@ static void do_info_status(Monitor *mon)
 }
 
 
-static void do_balloon(Monitor *mon, int value)
+static void do_balloon(Monitor *mon, const QDict *qdict)
 {
+    int value = qdict_get_int(qdict, "value");
     ram_addr_t target = value;
     qemu_balloon(target << 20);
 }
@@ -1553,60 +1578,85 @@ static void do_info_balloon(Monitor *mon)
         monitor_printf(mon, "balloon: actual=%d\n", (int)(actual >> 20));
 }
 
-static void do_acl(Monitor *mon,
-                   const char *command,
-                   const char *aclname,
-                   const char *match,
-                   int has_index,
-                   int index)
+static qemu_acl *find_acl(Monitor *mon, const char *name)
 {
-    qemu_acl *acl;
+    qemu_acl *acl = qemu_acl_find(name);
 
-    acl = qemu_acl_find(aclname);
     if (!acl) {
-        monitor_printf(mon, "acl: unknown list '%s'\n", aclname);
-        return;
+        monitor_printf(mon, "acl: unknown list '%s'\n", name);
     }
+    return acl;
+}
 
-    if (strcmp(command, "show") == 0) {
-        int i = 0;
-        qemu_acl_entry *entry;
+static void do_acl_show(Monitor *mon, const QDict *qdict)
+{
+    const char *aclname = qdict_get_str(qdict, "aclname");
+    qemu_acl *acl = find_acl(mon, aclname);
+    qemu_acl_entry *entry;
+    int i = 0;
+
+    if (acl) {
         monitor_printf(mon, "policy: %s\n",
                        acl->defaultDeny ? "deny" : "allow");
         TAILQ_FOREACH(entry, &acl->entries, next) {
             i++;
             monitor_printf(mon, "%d: %s %s\n", i,
-                           entry->deny ? "deny" : "allow",
-                           entry->match);
+                           entry->deny ? "deny" : "allow", entry->match);
         }
-    } else if (strcmp(command, "reset") == 0) {
+    }
+}
+
+static void do_acl_reset(Monitor *mon, const QDict *qdict)
+{
+    const char *aclname = qdict_get_str(qdict, "aclname");
+    qemu_acl *acl = find_acl(mon, aclname);
+
+    if (acl) {
         qemu_acl_reset(acl);
         monitor_printf(mon, "acl: removed all rules\n");
-    } else if (strcmp(command, "policy") == 0) {
-        if (!match) {
-            monitor_printf(mon, "acl: missing policy parameter\n");
-            return;
-        }
+    }
+}
+
+static void do_acl_policy(Monitor *mon, const QDict *qdict)
+{
+    const char *aclname = qdict_get_str(qdict, "aclname");
+    const char *policy = qdict_get_str(qdict, "policy");
+    qemu_acl *acl = find_acl(mon, aclname);
 
-        if (strcmp(match, "allow") == 0) {
+    if (acl) {
+        if (strcmp(policy, "allow") == 0) {
             acl->defaultDeny = 0;
             monitor_printf(mon, "acl: policy set to 'allow'\n");
-        } else if (strcmp(match, "deny") == 0) {
+        } else if (strcmp(policy, "deny") == 0) {
             acl->defaultDeny = 1;
             monitor_printf(mon, "acl: policy set to 'deny'\n");
         } else {
-            monitor_printf(mon, "acl: unknown policy '%s', expected 'deny' or 'allow'\n", match);
+            monitor_printf(mon, "acl: unknown policy '%s', "
+                           "expected 'deny' or 'allow'\n", policy);
         }
-    } else if ((strcmp(command, "allow") == 0) ||
-               (strcmp(command, "deny") == 0)) {
-        int deny = strcmp(command, "deny") == 0 ? 1 : 0;
-        int ret;
+    }
+}
+
+static void do_acl_add(Monitor *mon, const QDict *qdict)
+{
+    const char *aclname = qdict_get_str(qdict, "aclname");
+    const char *match = qdict_get_str(qdict, "match");
+    const char *policy = qdict_get_str(qdict, "policy");
+    int has_index = qdict_haskey(qdict, "index");
+    int index = qdict_get_try_int(qdict, "index", -1);
+    qemu_acl *acl = find_acl(mon, aclname);
+    int deny, ret;
 
-        if (!match) {
-            monitor_printf(mon, "acl: missing match parameter\n");
+    if (acl) {
+        if (strcmp(policy, "allow") == 0) {
+            deny = 0;
+        } else if (strcmp(policy, "deny") == 0) {
+            deny = 1;
+        } else {
+            monitor_printf(mon, "acl: unknown policy '%s', "
+                           "expected 'deny' or 'allow'\n", policy);
             return;
         }
-
         if (has_index)
             ret = qemu_acl_insert(acl, deny, match, index);
         else
@@ -1615,140 +1665,147 @@ static void do_acl(Monitor *mon,
             monitor_printf(mon, "acl: unable to add acl entry\n");
         else
             monitor_printf(mon, "acl: added rule at position %d\n", ret);
-    } else if (strcmp(command, "remove") == 0) {
-        int ret;
+    }
+}
 
-        if (!match) {
-            monitor_printf(mon, "acl: missing match parameter\n");
-            return;
-        }
+static void do_acl_remove(Monitor *mon, const QDict *qdict)
+{
+    const char *aclname = qdict_get_str(qdict, "aclname");
+    const char *match = qdict_get_str(qdict, "match");
+    qemu_acl *acl = find_acl(mon, aclname);
+    int ret;
 
+    if (acl) {
         ret = qemu_acl_remove(acl, match);
         if (ret < 0)
             monitor_printf(mon, "acl: no matching acl entry\n");
         else
             monitor_printf(mon, "acl: removed rule at position %d\n", ret);
-    } else {
-        monitor_printf(mon, "acl: unknown command '%s'\n", command);
     }
 }
 
-/* Please update qemu-doc.texi when adding or changing commands */
-static const mon_cmd_t mon_cmds[] = {
-    { "help|?", "s?", help_cmd,
-      "[cmd]", "show the help" },
-    { "commit", "s", do_commit,
-      "device|all", "commit changes to the disk images (if -snapshot is used) or backing files" },
-    { "info", "s?", do_info,
-      "[subcommand]", "show various information about the system state" },
-    { "q|quit", "", do_quit,
-      "", "quit the emulator" },
-    { "eject", "-fB", do_eject,
-      "[-f] device", "eject a removable medium (use -f to force it)" },
-    { "change", "BFs?", do_change,
-      "device filename [format]", "change a removable medium, optional format" },
-    { "screendump", "F", do_screen_dump,
-      "filename", "save screen into PPM image 'filename'" },
-    { "logfile", "F", do_logfile,
-      "filename", "output logs to 'filename'" },
-    { "log", "s", do_log,
-      "item1[,...]", "activate logging of the specified items to '/tmp/qemu.log'" },
-    { "savevm", "s?", do_savevm,
-      "[tag|id]", "save a VM snapshot. If no tag or id are provided, a new snapshot is created" },
-    { "loadvm", "s", do_loadvm,
-      "tag|id", "restore a VM snapshot from its tag or id" },
-    { "delvm", "s", do_delvm,
-      "tag|id", "delete a VM snapshot from its tag or id" },
-    { "singlestep", "s?", do_singlestep,
-      "[on|off]", "run emulation in singlestep mode or switch to normal mode", },
-    { "stop", "", do_stop,
-      "", "stop emulation", },
-    { "c|cont", "", do_cont,
-      "", "resume emulation", },
-#ifdef CONFIG_GDBSTUB
-    { "gdbserver", "s?", do_gdbserver,
-      "[device]", "start gdbserver on given device (default 'tcp::1234'), stop with 'none'", },
-#endif
-    { "x", "/l", do_memory_dump,
-      "/fmt addr", "virtual memory dump starting at 'addr'", },
-    { "xp", "/l", do_physical_memory_dump,
-      "/fmt addr", "physical memory dump starting at 'addr'", },
-    { "p|print", "/l", do_print,
-      "/fmt expr", "print expression value (use $reg for CPU register access)", },
-    { "i", "/ii.", do_ioport_read,
-      "/fmt addr", "I/O port read" },
-
-    { "sendkey", "si?", do_sendkey,
-      "keys [hold_ms]", "send keys to the VM (e.g. 'sendkey ctrl-alt-f1', default hold time=100 ms)" },
-    { "system_reset", "", do_system_reset,
-      "", "reset the system" },
-    { "system_powerdown", "", do_system_powerdown,
-      "", "send system power down event" },
-    { "sum", "ii", do_sum,
-      "addr size", "compute the checksum of a memory region" },
-    { "usb_add", "s", do_usb_add,
-      "device", "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')" },
-    { "usb_del", "s", do_usb_del,
-      "device", "remove USB device 'bus.addr'" },
-    { "cpu", "i", do_cpu_set,
-      "index", "set the default CPU" },
-    { "mouse_move", "sss?", do_mouse_move,
-      "dx dy [dz]", "send mouse move events" },
-    { "mouse_button", "i", do_mouse_button,
-      "state", "change mouse button state (1=L, 2=M, 4=R)" },
-    { "mouse_set", "i", do_mouse_set,
-      "index", "set which mouse device receives events" },
-#ifdef HAS_AUDIO
-    { "wavcapture", "si?i?i?", do_wav_capture,
-      "path [frequency [bits [channels]]]",
-      "capture audio to a wave file (default frequency=44100 bits=16 channels=2)" },
-#endif
-    { "stopcapture", "i", do_stop_capture,
-      "capture index", "stop capture" },
-    { "memsave", "lis", do_memory_save,
-      "addr size file", "save to disk virtual memory dump starting at 'addr' of size 'size'", },
-    { "pmemsave", "lis", do_physical_memory_save,
-      "addr size file", "save to disk physical memory dump starting at 'addr' of size 'size'", },
-    { "boot_set", "s", do_boot_set,
-      "bootdevice", "define new values for the boot device list" },
 #if defined(TARGET_I386)
-    { "nmi", "i", do_inject_nmi,
-      "cpu", "inject an NMI on the given CPU", },
-#endif
-    { "migrate", "-ds", do_migrate,
-      "[-d] uri", "migrate to URI (using -d to not wait for completion)" },
-    { "migrate_cancel", "", do_migrate_cancel,
-      "", "cancel the current VM migration" },
-    { "migrate_set_speed", "s", do_migrate_set_speed,
-      "value", "set maximum speed (in bytes) for migrations" },
-#if defined(TARGET_I386)
-    { "drive_add", "ss", drive_hot_add, "pci_addr=[[<domain>:]<bus>:]<slot>\n"
-                                         "[file=file][,if=type][,bus=n]\n"
-                                        "[,unit=m][,media=d][index=i]\n"
-                                        "[,cyls=c,heads=h,secs=s[,trans=t]]\n"
-                                        "[snapshot=on|off][,cache=on|off]",
-                                        "add drive to PCI storage controller" },
-    { "pci_add", "sss", pci_device_hot_add, "pci_addr=auto|[[<domain>:]<bus>:]<slot> nic|storage [[vlan=n][,macaddr=addr][,model=type]] [file=file][,if=type][,bus=nr]...", "hot-add PCI device" },
-    { "pci_del", "s", pci_device_hot_remove, "pci_addr=[[<domain>:]<bus>:]<slot>", "hot remove PCI device" },
-    { "host_net_add", "ss", net_host_device_add,
-      "[tap,user,socket,vde,dump] options", "add host VLAN client" },
-    { "host_net_remove", "is", net_host_device_remove,
-      "vlan_id name", "remove host VLAN client" },
+static void do_inject_mce(Monitor *mon, const QDict *qdict)
+{
+    CPUState *cenv;
+    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");
+
+    for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu)
+        if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
+            cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
+            break;
+        }
+}
 #endif
-    { "balloon", "i", do_balloon,
-      "target", "request VM to change it's memory allocation (in MB)" },
-    { "set_link", "ss", do_set_link,
-      "name up|down", "change the link status of a network adapter" },
-    { "acl", "sss?i?", do_acl, "<command> <aclname> [<match> [<index>]]\n",
-                               "acl show vnc.username\n"
-                               "acl policy vnc.username deny\n"
-                               "acl allow vnc.username fred\n"
-                               "acl deny vnc.username bob\n"
-                               "acl reset vnc.username\n" },
+
+static void do_getfd(Monitor *mon, const QDict *qdict)
+{
+    const char *fdname = qdict_get_str(qdict, "fdname");
+    mon_fd_t *monfd;
+    int fd;
+
+    fd = qemu_chr_get_msgfd(mon->chr);
+    if (fd == -1) {
+        monitor_printf(mon, "getfd: no file descriptor supplied via SCM_RIGHTS\n");
+        return;
+    }
+
+    if (qemu_isdigit(fdname[0])) {
+        monitor_printf(mon, "getfd: monitor names may not begin with a number\n");
+        return;
+    }
+
+    fd = dup(fd);
+    if (fd == -1) {
+        monitor_printf(mon, "Failed to dup() file descriptor: %s\n",
+                       strerror(errno));
+        return;
+    }
+
+    LIST_FOREACH(monfd, &mon->fds, next) {
+        if (strcmp(monfd->name, fdname) != 0) {
+            continue;
+        }
+
+        close(monfd->fd);
+        monfd->fd = fd;
+        return;
+    }
+
+    monfd = qemu_mallocz(sizeof(mon_fd_t));
+    monfd->name = qemu_strdup(fdname);
+    monfd->fd = fd;
+
+    LIST_INSERT_HEAD(&mon->fds, monfd, next);
+}
+
+static void do_closefd(Monitor *mon, const QDict *qdict)
+{
+    const char *fdname = qdict_get_str(qdict, "fdname");
+    mon_fd_t *monfd;
+
+    LIST_FOREACH(monfd, &mon->fds, next) {
+        if (strcmp(monfd->name, fdname) != 0) {
+            continue;
+        }
+
+        LIST_REMOVE(monfd, next);
+        close(monfd->fd);
+        qemu_free(monfd->name);
+        qemu_free(monfd);
+        return;
+    }
+
+    monitor_printf(mon, "Failed to find file descriptor named %s\n",
+                   fdname);
+}
+
+static void do_loadvm(Monitor *mon, const QDict *qdict)
+{
+    int saved_vm_running  = vm_running;
+    const char *name = qdict_get_str(qdict, "name");
+
+    vm_stop(0);
+
+    if (load_vmstate(mon, name) >= 0 && saved_vm_running)
+        vm_start();
+}
+
+int monitor_get_fd(Monitor *mon, const char *fdname)
+{
+    mon_fd_t *monfd;
+
+    LIST_FOREACH(monfd, &mon->fds, next) {
+        int fd;
+
+        if (strcmp(monfd->name, fdname) != 0) {
+            continue;
+        }
+
+        fd = monfd->fd;
+
+        /* caller takes ownership of fd */
+        LIST_REMOVE(monfd, next);
+        qemu_free(monfd->name);
+        qemu_free(monfd);
+
+        return fd;
+    }
+
+    return -1;
+}
+
+static const mon_cmd_t mon_cmds[] = {
+#include "qemu-monitor.h"
     { NULL, NULL, },
 };
 
-/* Please update qemu-doc.texi when adding or changing commands */
+/* Please update qemu-monitor.hx when adding or changing commands */
 static const mon_cmd_t info_cmds[] = {
     { "version", "", do_info_version,
       "", "show the version of QEMU" },
@@ -1784,10 +1841,10 @@ static const mon_cmd_t info_cmds[] = {
 #endif
     { "jit", "", do_info_jit,
       "", "show dynamic compiler info", },
-    { "kqemu", "", do_info_kqemu,
-      "", "show KQEMU information", },
     { "kvm", "", do_info_kvm,
       "", "show KVM information", },
+    { "numa", "", do_info_numa,
+      "", "show NUMA information", },
     { "usb", "", usb_info,
       "", "show guest USB devices", },
     { "usbhost", "", usb_host_info,
@@ -1815,12 +1872,16 @@ static const mon_cmd_t info_cmds[] = {
       "", "show CPU statistics", },
 #endif
 #if defined(CONFIG_SLIRP)
-    { "slirp", "", do_info_slirp,
-      "", "show SLIRP statistics", },
+    { "usernet", "", do_info_usernet,
+      "", "show user network stack connection states", },
 #endif
     { "migrate", "", do_info_migrate, "", "show migration status" },
     { "balloon", "", do_info_balloon,
       "", "show balloon information" },
+    { "qtree", "", do_info_qtree,
+      "", "show device tree" },
+    { "qdm", "", do_info_qdm,
+      "", "show qdev device model list" },
     { NULL, NULL, },
 };
 
@@ -2209,7 +2270,7 @@ static int get_monitor_def(target_long *pval, const char *name)
 
 static void next(void)
 {
-    if (pch != '\0') {
+    if (*pch != '\0') {
         pch++;
         while (qemu_isspace(*pch))
             pch++;
@@ -2461,73 +2522,102 @@ static int get_str(char *buf, int buf_size, const char **pp)
     return 0;
 }
 
+/*
+ * Store the command-name in cmdname, and return a pointer to
+ * the remaining of the command string.
+ */
+static const char *get_command_name(const char *cmdline,
+                                    char *cmdname, size_t nlen)
+{
+    size_t len;
+    const char *p, *pstart;
+
+    p = cmdline;
+    while (qemu_isspace(*p))
+        p++;
+    if (*p == '\0')
+        return NULL;
+    pstart = p;
+    while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
+        p++;
+    len = p - pstart;
+    if (len > nlen - 1)
+        len = nlen - 1;
+    memcpy(cmdname, pstart, len);
+    cmdname[len] = '\0';
+    return p;
+}
+
+/**
+ * Read key of 'type' into 'key' and return the current
+ * 'type' pointer.
+ */
+static char *key_get_info(const char *type, char **key)
+{
+    size_t len;
+    char *p, *str;
+
+    if (*type == ',')
+        type++;
+
+    p = strchr(type, ':');
+    if (!p) {
+        *key = NULL;
+        return NULL;
+    }
+    len = p - type;
+
+    str = qemu_malloc(len + 1);
+    memcpy(str, type, len);
+    str[len] = '\0';
+
+    *key = str;
+    return ++p;
+}
+
 static int default_fmt_format = 'x';
 static int default_fmt_size = 4;
 
 #define MAX_ARGS 16
 
-static void monitor_handle_command(Monitor *mon, const char *cmdline)
+static const mon_cmd_t *monitor_parse_command(Monitor *mon,
+                                              const char *cmdline,
+                                              QDict *qdict)
 {
-    const char *p, *pstart, *typestr;
-    char *q;
-    int c, nb_args, len, i, has_arg;
+    const char *p, *typestr;
+    int c;
     const mon_cmd_t *cmd;
     char cmdname[256];
     char buf[1024];
-    void *str_allocated[MAX_ARGS];
-    void *args[MAX_ARGS];
-    void (*handler_0)(Monitor *mon);
-    void (*handler_1)(Monitor *mon, void *arg0);
-    void (*handler_2)(Monitor *mon, void *arg0, void *arg1);
-    void (*handler_3)(Monitor *mon, void *arg0, void *arg1, void *arg2);
-    void (*handler_4)(Monitor *mon, void *arg0, void *arg1, void *arg2,
-                      void *arg3);
-    void (*handler_5)(Monitor *mon, void *arg0, void *arg1, void *arg2,
-                      void *arg3, void *arg4);
-    void (*handler_6)(Monitor *mon, void *arg0, void *arg1, void *arg2,
-                      void *arg3, void *arg4, void *arg5);
-    void (*handler_7)(Monitor *mon, void *arg0, void *arg1, void *arg2,
-                      void *arg3, void *arg4, void *arg5, void *arg6);
+    char *key;
 
 #ifdef DEBUG
     monitor_printf(mon, "command='%s'\n", cmdline);
 #endif
 
     /* extract the command name */
-    p = cmdline;
-    q = cmdname;
-    while (qemu_isspace(*p))
-        p++;
-    if (*p == '\0')
-        return;
-    pstart = p;
-    while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
-        p++;
-    len = p - pstart;
-    if (len > sizeof(cmdname) - 1)
-        len = sizeof(cmdname) - 1;
-    memcpy(cmdname, pstart, len);
-    cmdname[len] = '\0';
+    p = get_command_name(cmdline, cmdname, sizeof(cmdname));
+    if (!p)
+        return NULL;
 
     /* find the command */
     for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
         if (compare_cmd(cmdname, cmd->name))
-            goto found;
+            break;
     }
-    monitor_printf(mon, "unknown command: '%s'\n", cmdname);
-    return;
- found:
 
-    for(i = 0; i < MAX_ARGS; i++)
-        str_allocated[i] = NULL;
+    if (cmd->name == NULL) {
+        monitor_printf(mon, "unknown command: '%s'\n", cmdname);
+        return NULL;
+    }
 
     /* parse the parameters */
     typestr = cmd->args_type;
-    nb_args = 0;
     for(;;) {
-        c = *typestr;
-        if (c == '\0')
+        typestr = key_get_info(typestr, &key);
+        if (!typestr)
             break;
+        c = *typestr;
         typestr++;
         switch(c) {
         case 'F':
@@ -2535,7 +2625,6 @@ static void monitor_handle_command(Monitor *mon, const char *cmdline)
         case 's':
             {
                 int ret;
-                char *str;
 
                 while (qemu_isspace(*p))
                     p++;
@@ -2543,8 +2632,7 @@ static void monitor_handle_command(Monitor *mon, const char *cmdline)
                     typestr++;
                     if (*p == '\0') {
                         /* no optional string: NULL argument */
-                        str = NULL;
-                        goto add_str;
+                        break;
                     }
                 }
                 ret = get_str(buf, sizeof(buf), &p);
@@ -2564,16 +2652,7 @@ static void monitor_handle_command(Monitor *mon, const char *cmdline)
                     }
                     goto fail;
                 }
-                str = qemu_malloc(strlen(buf) + 1);
-                pstrcpy(str, sizeof(buf), buf);
-                str_allocated[nb_args] = str;
-            add_str:
-                if (nb_args >= MAX_ARGS) {
-                error_args:
-                    monitor_printf(mon, "%s: too many arguments\n", cmdname);
-                    goto fail;
-                }
-                args[nb_args++] = str;
+                qdict_put(qdict, key, qstring_from_str(buf));
             }
             break;
         case '/':
@@ -2650,11 +2729,9 @@ static void monitor_handle_command(Monitor *mon, const char *cmdline)
                         size = -1;
                     }
                 }
-                if (nb_args + 3 > MAX_ARGS)
-                    goto error_args;
-                args[nb_args++] = (void*)(long)count;
-                args[nb_args++] = (void*)(long)format;
-                args[nb_args++] = (void*)(long)size;
+                qdict_put(qdict, "count", qint_from_int(count));
+                qdict_put(qdict, "format", qint_from_int(format));
+                qdict_put(qdict, "size", qint_from_int(size));
             }
             break;
         case 'i':
@@ -2666,48 +2743,31 @@ static void monitor_handle_command(Monitor *mon, const char *cmdline)
                     p++;
                 if (*typestr == '?' || *typestr == '.') {
                     if (*typestr == '?') {
-                        if (*p == '\0')
-                            has_arg = 0;
-                        else
-                            has_arg = 1;
+                        if (*p == '\0') {
+                            typestr++;
+                            break;
+                        }
                     } else {
                         if (*p == '.') {
                             p++;
                             while (qemu_isspace(*p))
                                 p++;
-                            has_arg = 1;
                         } else {
-                            has_arg = 0;
+                            typestr++;
+                            break;
                         }
                     }
                     typestr++;
-                    if (nb_args >= MAX_ARGS)
-                        goto error_args;
-                    args[nb_args++] = (void *)(long)has_arg;
-                    if (!has_arg) {
-                        if (nb_args >= MAX_ARGS)
-                            goto error_args;
-                        val = -1;
-                        goto add_num;
-                    }
                 }
                 if (get_expr(mon, &val, &p))
                     goto fail;
-            add_num:
-                if (c == 'i') {
-                    if (nb_args >= MAX_ARGS)
-                        goto error_args;
-                    args[nb_args++] = (void *)(long)val;
-                } else {
-                    if ((nb_args + 1) >= MAX_ARGS)
-                        goto error_args;
-#if TARGET_PHYS_ADDR_BITS > 32
-                    args[nb_args++] = (void *)(long)((val >> 32) & 0xffffffff);
-#else
-                    args[nb_args++] = (void *)0;
-#endif
-                    args[nb_args++] = (void *)(long)(val & 0xffffffff);
+                /* 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;
                 }
+                qdict_put(qdict, key, qint_from_int(val));
             }
             break;
         case '-':
@@ -2731,9 +2791,7 @@ static void monitor_handle_command(Monitor *mon, const char *cmdline)
                     p++;
                     has_option = 1;
                 }
-                if (nb_args >= MAX_ARGS)
-                    goto error_args;
-                args[nb_args++] = (void *)(long)has_option;
+                qdict_put(qdict, key, qint_from_int(has_option));
             }
             break;
         default:
@@ -2741,6 +2799,8 @@ static void monitor_handle_command(Monitor *mon, const char *cmdline)
             monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
             goto fail;
         }
+        qemu_free(key);
+        key = NULL;
     }
     /* check that all arguments were parsed */
     while (qemu_isspace(*p))
@@ -2751,48 +2811,33 @@ static void monitor_handle_command(Monitor *mon, const char *cmdline)
         goto fail;
     }
 
-    switch(nb_args) {
-    case 0:
-        handler_0 = cmd->handler;
-        handler_0(mon);
-        break;
-    case 1:
-        handler_1 = cmd->handler;
-        handler_1(mon, args[0]);
-        break;
-    case 2:
-        handler_2 = cmd->handler;
-        handler_2(mon, args[0], args[1]);
-        break;
-    case 3:
-        handler_3 = cmd->handler;
-        handler_3(mon, args[0], args[1], args[2]);
-        break;
-    case 4:
-        handler_4 = cmd->handler;
-        handler_4(mon, args[0], args[1], args[2], args[3]);
-        break;
-    case 5:
-        handler_5 = cmd->handler;
-        handler_5(mon, args[0], args[1], args[2], args[3], args[4]);
-        break;
-    case 6:
-        handler_6 = cmd->handler;
-        handler_6(mon, args[0], args[1], args[2], args[3], args[4], args[5]);
-        break;
-    case 7:
-        handler_7 = cmd->handler;
-        handler_7(mon, args[0], args[1], args[2], args[3], args[4], args[5],
-                  args[6]);
-        break;
-    default:
-        monitor_printf(mon, "unsupported number of arguments: %d\n", nb_args);
-        goto fail;
+    return cmd;
+
+fail:
+    qemu_free(key);
+    return NULL;
+}
+
+static void monitor_handle_command(Monitor *mon, const char *cmdline)
+{
+    QDict *qdict;
+    const mon_cmd_t *cmd;
+
+    qdict = qdict_new();
+
+    cmd = monitor_parse_command(mon, cmdline, qdict);
+    if (cmd) {
+        void (*handler)(Monitor *mon, const QDict *qdict);
+
+        qemu_errors_to_mon(mon);
+
+        handler = cmd->handler;
+        handler(mon, qdict);
+
+        qemu_errors_to_previous();
     }
- fail:
-    for(i = 0; i < MAX_ARGS; i++)
-        qemu_free(str_allocated[i]);
-    return;
+
+    QDECREF(qdict);
 }
 
 static void cmd_completion(const char *name, const char *list)
@@ -2909,6 +2954,12 @@ static void parse_cmdline(const char *cmdline,
     *pnb_args = nb_args;
 }
 
+static const char *next_arg_type(const char *typestr)
+{
+    const char *p = strchr(typestr, ':');
+    return (p != NULL ? ++p : typestr);
+}
+
 static void monitor_find_completion(const char *cmdline)
 {
     const char *cmdname;
@@ -2951,15 +3002,18 @@ static void monitor_find_completion(const char *cmdline)
         }
         return;
     found:
-        ptype = cmd->args_type;
+        ptype = next_arg_type(cmd->args_type);
         for(i = 0; i < nb_args - 2; i++) {
             if (*ptype != '\0') {
-                ptype++;
+                ptype = next_arg_type(ptype);
                 while (*ptype == '?')
-                    ptype++;
+                    ptype = next_arg_type(ptype);
             }
         }
         str = args[nb_args - 1];
+        if (*ptype == '-' && ptype[1] != '\0') {
+            ptype += 2;
+        }
         switch(*ptype) {
         case 'F':
             /* file completion */
@@ -2986,6 +3040,11 @@ static void monitor_find_completion(const char *cmdline)
                 for(key = key_defs; key->name != NULL; key++) {
                     cmd_completion(str, key->name);
                 }
+            } else if (!strcmp(cmd->name, "help|?")) {
+                readline_set_completion_index(cur_mon->rs, strlen(str));
+                for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
+                    cmd_completion(str, cmd->name);
+                }
             }
             break;
         default:
@@ -3149,3 +3208,69 @@ void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
     if (err && completion_cb)
         completion_cb(opaque, err);
 }
+
+typedef struct QemuErrorSink QemuErrorSink;
+struct QemuErrorSink {
+    enum {
+        ERR_SINK_FILE,
+        ERR_SINK_MONITOR,
+    } dest;
+    union {
+        FILE    *fp;
+        Monitor *mon;
+    };
+    QemuErrorSink *previous;
+};
+
+static QemuErrorSink *qemu_error_sink;
+
+void qemu_errors_to_file(FILE *fp)
+{
+    QemuErrorSink *sink;
+
+    sink = qemu_mallocz(sizeof(*sink));
+    sink->dest = ERR_SINK_FILE;
+    sink->fp = fp;
+    sink->previous = qemu_error_sink;
+    qemu_error_sink = sink;
+}
+
+void qemu_errors_to_mon(Monitor *mon)
+{
+    QemuErrorSink *sink;
+
+    sink = qemu_mallocz(sizeof(*sink));
+    sink->dest = ERR_SINK_MONITOR;
+    sink->mon = mon;
+    sink->previous = qemu_error_sink;
+    qemu_error_sink = sink;
+}
+
+void qemu_errors_to_previous(void)
+{
+    QemuErrorSink *sink;
+
+    assert(qemu_error_sink != NULL);
+    sink = qemu_error_sink;
+    qemu_error_sink = sink->previous;
+    qemu_free(sink);
+}
+
+void qemu_error(const char *fmt, ...)
+{
+    va_list args;
+
+    assert(qemu_error_sink != NULL);
+    switch (qemu_error_sink->dest) {
+    case ERR_SINK_FILE:
+        va_start(args, fmt);
+        vfprintf(qemu_error_sink->fp, fmt, args);
+        va_end(args);
+        break;
+    case ERR_SINK_MONITOR:
+        va_start(args, fmt);
+        monitor_vprintf(qemu_error_sink->mon, fmt, args);
+        va_end(args);
+        break;
+    }
+}