diff --git a/hw/pci-hotplug.c b/hw/pci-hotplug.c
index bf9a3c4415b5294e616d53e88644675fea243bf9..ba25be4a29bf6d8c905aaf6a237aa30f93de8671 100644
--- a/hw/pci-hotplug.c
+++ b/hw/pci-hotplug.c
@@ -48,7 +48,7 @@ static PCIDevice *qemu_pci_hot_add_nic(Monitor *mon,
     return pci_nic_init(&nd_table[ret], "rtl8139", devaddr);
 }
 
-void drive_hot_add(Monitor *mon, const char *pci_addr, const char *opts)
+void drive_hot_add(Monitor *mon, const QDict *qdict)
 {
     int dom, pci_bus;
     unsigned slot;
@@ -56,6 +56,8 @@ void drive_hot_add(Monitor *mon, const char *pci_addr, const char *opts)
     int success = 0;
     PCIDevice *dev;
     DriveInfo *dinfo;
+    const char *pci_addr = qdict_get_str(qdict, "pci_addr");
+    const char *opts = qdict_get_str(qdict, "opts");
 
     if (pci_read_devaddr(mon, pci_addr, &dom, &pci_bus, &slot)) {
         return;
diff --git a/migration.c b/migration.c
index e6bcdb5708fde09b33679f5e568827e84dd82363..7f93e3fcdd52367a39f44ec427eee95fd880e3c2 100644
--- a/migration.c
+++ b/migration.c
@@ -52,10 +52,12 @@ void qemu_start_incoming_migration(const char *uri)
         fprintf(stderr, "unknown migration protocol: %s\n", uri);
 }
 
-void do_migrate(Monitor *mon, int detach, const char *uri)
+void do_migrate(Monitor *mon, const QDict *qdict)
 {
     MigrationState *s = NULL;
     const char *p;
+    int detach = qdict_get_int(qdict, "detach");
+    const char *uri = qdict_get_str(qdict, "uri");
 
     if (strstart(uri, "tcp:", &p))
         s = tcp_start_outgoing_migration(p, max_throttle, detach);
diff --git a/migration.h b/migration.h
index f12f0ea1b3da4159c12ccaebf319309cd7f9a197..53b923d4b46d3225887b2ea1cd3feea6725afa12 100644
--- a/migration.h
+++ b/migration.h
@@ -50,7 +50,7 @@ struct FdMigrationState
 
 void qemu_start_incoming_migration(const char *uri);
 
-void do_migrate(Monitor *mon, int detach, const char *uri);
+void do_migrate(Monitor *mon, const QDict *qdict);
 
 void do_migrate_cancel(Monitor *mon, const QDict *qdict);
 
diff --git a/monitor.c b/monitor.c
index b0aaadaaf40d263e170c9fb3980ca7e2097d520a..d6b1d6463e925d070957b1890f02892e89d35d9e 100644
--- a/monitor.c
+++ b/monitor.c
@@ -452,9 +452,11 @@ 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) {
@@ -912,11 +914,13 @@ 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++) {
@@ -1600,9 +1604,10 @@ static void do_acl_reset(Monitor *mon, const QDict *qdict)
     }
 }
 
-static void do_acl_policy(Monitor *mon, const char *aclname,
-                          const char *policy)
+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 (acl) {
@@ -1647,8 +1652,10 @@ static void do_acl_add(Monitor *mon, const char *aclname,
     }
 }
 
-static void do_acl_remove(Monitor *mon, const char *aclname, const char *match)
+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;
 
@@ -2572,7 +2579,6 @@ static void monitor_handle_command(Monitor *mon, const char *cmdline)
     void *str_allocated[MAX_ARGS];
     void *args[MAX_ARGS];
     void (*handler_d)(Monitor *mon, const QDict *qdict);
-    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);
@@ -2865,13 +2871,10 @@ static void monitor_handle_command(Monitor *mon, const char *cmdline)
     switch(nb_args) {
     case 0:
     case 1:
+    case 2:
         handler_d = cmd->handler;
         handler_d(mon, qdict);
         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]);
diff --git a/net.c b/net.c
index d21f0e90427eab3320d7fbe9718e1dda621e806f..e2513c22238c0ce73fdfabbba7e044cbed72045a 100644
--- a/net.c
+++ b/net.c
@@ -2822,8 +2822,11 @@ static int net_host_check_device(const char *device)
     return 0;
 }
 
-void net_host_device_add(Monitor *mon, const char *device, const char *opts)
+void net_host_device_add(Monitor *mon, const QDict *qdict)
 {
+    const char *device = qdict_get_str(qdict, "device");
+    const char *opts = qdict_get_try_str(qdict, "opts");
+
     if (!net_host_check_device(device)) {
         monitor_printf(mon, "invalid host network device %s\n", device);
         return;
@@ -2833,9 +2836,11 @@ void net_host_device_add(Monitor *mon, const char *device, const char *opts)
     }
 }
 
-void net_host_device_remove(Monitor *mon, int vlan_id, const char *device)
+void net_host_device_remove(Monitor *mon, const QDict *qdict)
 {
     VLANClientState *vc;
+    int vlan_id = qdict_get_int(qdict, "vlan_id");
+    const char *device = qdict_get_str(qdict, "device");
 
     vc = qemu_find_vlan_client_by_name(mon, vlan_id, device);
     if (!vc) {
@@ -2900,10 +2905,12 @@ void do_info_network(Monitor *mon)
     }
 }
 
-void do_set_link(Monitor *mon, const char *name, const char *up_or_down)
+void do_set_link(Monitor *mon, const QDict *qdict)
 {
     VLANState *vlan;
     VLANClientState *vc = NULL;
+    const char *name = qdict_get_str(qdict, "name");
+    const char *up_or_down = qdict_get_str(qdict, "up_or_down");
 
     for (vlan = first_vlan; vlan != NULL; vlan = vlan->next)
         for (vc = vlan->first_client; vc != NULL; vc = vc->next)
diff --git a/net.h b/net.h
index bab02f5de94a5f082c37e9360cdce65de081a214..7fadc350e098022458e58532d6e737fc5049bbb2 100644
--- a/net.h
+++ b/net.h
@@ -3,6 +3,7 @@
 
 #include "sys-queue.h"
 #include "qemu-common.h"
+#include "qdict.h"
 
 /* VLANs support */
 
@@ -80,7 +81,7 @@ void qemu_check_nic_model_list(NICInfo *nd, const char * const *models,
 void qemu_handler_true(void *opaque);
 
 void do_info_network(Monitor *mon);
-void do_set_link(Monitor *mon, const char *name, const char *up_or_down);
+void do_set_link(Monitor *mon, const QDict *qdict);
 
 void do_info_usernet(Monitor *mon);
 
@@ -145,8 +146,8 @@ void net_slirp_redir(const char *redir_str);
 void net_cleanup(void);
 void net_client_check(void);
 void net_set_boot_mask(int boot_mask);
-void net_host_device_add(Monitor *mon, const char *device, const char *opts);
-void net_host_device_remove(Monitor *mon, int vlan_id, const char *device);
+void net_host_device_add(Monitor *mon, const QDict *qdict);
+void net_host_device_remove(Monitor *mon, const QDict *qdict);
 
 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
 #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
diff --git a/sysemu.h b/sysemu.h
index d86f01763bbc054253e43758cea747b84e607217..586d9d074f4fd92caba7b29104687d280d7fad82 100644
--- a/sysemu.h
+++ b/sysemu.h
@@ -212,7 +212,7 @@ void destroy_bdrvs(dev_match_fn *match_fn, void *arg);
 /* pci-hotplug */
 void pci_device_hot_add(Monitor *mon, const char *pci_addr, const char *type,
                         const char *opts);
-void drive_hot_add(Monitor *mon, const char *pci_addr, const char *opts);
+void drive_hot_add(Monitor *mon, const QDict *qdict);
 void pci_device_hot_remove(Monitor *mon, const char *pci_addr);
 void do_pci_device_hot_remove(Monitor *mon, const QDict *qdict);
 void pci_device_hot_remove_success(int pcibus, int slot);