diff --git a/blockdev.c b/blockdev.c
index c5b2c2c..2f4ec3a 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -386,49 +386,7 @@ static void extract_common_blockdev_options(QemuOpts *opts, int *bdrv_flags,
     }
 
     if (throttle_cfg) {
-        throttle_config_init(throttle_cfg);
-        throttle_cfg->buckets[THROTTLE_BPS_TOTAL].avg =
-            qemu_opt_get_number(opts, "throttling.bps-total", 0);
-        throttle_cfg->buckets[THROTTLE_BPS_READ].avg  =
-            qemu_opt_get_number(opts, "throttling.bps-read", 0);
-        throttle_cfg->buckets[THROTTLE_BPS_WRITE].avg =
-            qemu_opt_get_number(opts, "throttling.bps-write", 0);
-        throttle_cfg->buckets[THROTTLE_OPS_TOTAL].avg =
-            qemu_opt_get_number(opts, "throttling.iops-total", 0);
-        throttle_cfg->buckets[THROTTLE_OPS_READ].avg =
-            qemu_opt_get_number(opts, "throttling.iops-read", 0);
-        throttle_cfg->buckets[THROTTLE_OPS_WRITE].avg =
-            qemu_opt_get_number(opts, "throttling.iops-write", 0);
-
-        throttle_cfg->buckets[THROTTLE_BPS_TOTAL].max =
-            qemu_opt_get_number(opts, "throttling.bps-total-max", 0);
-        throttle_cfg->buckets[THROTTLE_BPS_READ].max  =
-            qemu_opt_get_number(opts, "throttling.bps-read-max", 0);
-        throttle_cfg->buckets[THROTTLE_BPS_WRITE].max =
-            qemu_opt_get_number(opts, "throttling.bps-write-max", 0);
-        throttle_cfg->buckets[THROTTLE_OPS_TOTAL].max =
-            qemu_opt_get_number(opts, "throttling.iops-total-max", 0);
-        throttle_cfg->buckets[THROTTLE_OPS_READ].max =
-            qemu_opt_get_number(opts, "throttling.iops-read-max", 0);
-        throttle_cfg->buckets[THROTTLE_OPS_WRITE].max =
-            qemu_opt_get_number(opts, "throttling.iops-write-max", 0);
-
-        throttle_cfg->buckets[THROTTLE_BPS_TOTAL].burst_length =
-            qemu_opt_get_number(opts, "throttling.bps-total-max-length", 1);
-        throttle_cfg->buckets[THROTTLE_BPS_READ].burst_length  =
-            qemu_opt_get_number(opts, "throttling.bps-read-max-length", 1);
-        throttle_cfg->buckets[THROTTLE_BPS_WRITE].burst_length =
-            qemu_opt_get_number(opts, "throttling.bps-write-max-length", 1);
-        throttle_cfg->buckets[THROTTLE_OPS_TOTAL].burst_length =
-            qemu_opt_get_number(opts, "throttling.iops-total-max-length", 1);
-        throttle_cfg->buckets[THROTTLE_OPS_READ].burst_length =
-            qemu_opt_get_number(opts, "throttling.iops-read-max-length", 1);
-        throttle_cfg->buckets[THROTTLE_OPS_WRITE].burst_length =
-            qemu_opt_get_number(opts, "throttling.iops-write-max-length", 1);
-
-        throttle_cfg->op_size =
-            qemu_opt_get_number(opts, "throttling.iops-size", 0);
-
+        parse_io_throttle_options(throttle_cfg, opts);
         if (!throttle_is_valid(throttle_cfg, errp)) {
             return;
         }
@@ -2635,9 +2593,12 @@ void qmp_block_set_io_throttle(BlockIOThrottle *arg, Error **errp)
     BlockDriverState *bs;
     BlockBackend *blk;
     AioContext *aio_context;
+    IOThrottle *iothrottle;
+
+    iothrottle = arg->iothrottle;
 
-    blk = qmp_get_blk(arg->has_device ? arg->device : NULL,
-                      arg->has_id ? arg->id : NULL,
+    blk = qmp_get_blk(iothrottle->has_device ? iothrottle->device : NULL,
+                      iothrottle->has_id ? iothrottle->id : NULL,
                       errp);
     if (!blk) {
         return;
@@ -2652,56 +2613,7 @@ void qmp_block_set_io_throttle(BlockIOThrottle *arg, Error **errp)
         goto out;
     }
 
-    throttle_config_init(&cfg);
-    cfg.buckets[THROTTLE_BPS_TOTAL].avg = arg->bps;
-    cfg.buckets[THROTTLE_BPS_READ].avg  = arg->bps_rd;
-    cfg.buckets[THROTTLE_BPS_WRITE].avg = arg->bps_wr;
-
-    cfg.buckets[THROTTLE_OPS_TOTAL].avg = arg->iops;
-    cfg.buckets[THROTTLE_OPS_READ].avg  = arg->iops_rd;
-    cfg.buckets[THROTTLE_OPS_WRITE].avg = arg->iops_wr;
-
-    if (arg->has_bps_max) {
-        cfg.buckets[THROTTLE_BPS_TOTAL].max = arg->bps_max;
-    }
-    if (arg->has_bps_rd_max) {
-        cfg.buckets[THROTTLE_BPS_READ].max = arg->bps_rd_max;
-    }
-    if (arg->has_bps_wr_max) {
-        cfg.buckets[THROTTLE_BPS_WRITE].max = arg->bps_wr_max;
-    }
-    if (arg->has_iops_max) {
-        cfg.buckets[THROTTLE_OPS_TOTAL].max = arg->iops_max;
-    }
-    if (arg->has_iops_rd_max) {
-        cfg.buckets[THROTTLE_OPS_READ].max = arg->iops_rd_max;
-    }
-    if (arg->has_iops_wr_max) {
-        cfg.buckets[THROTTLE_OPS_WRITE].max = arg->iops_wr_max;
-    }
-
-    if (arg->has_bps_max_length) {
-        cfg.buckets[THROTTLE_BPS_TOTAL].burst_length = arg->bps_max_length;
-    }
-    if (arg->has_bps_rd_max_length) {
-        cfg.buckets[THROTTLE_BPS_READ].burst_length = arg->bps_rd_max_length;
-    }
-    if (arg->has_bps_wr_max_length) {
-        cfg.buckets[THROTTLE_BPS_WRITE].burst_length = arg->bps_wr_max_length;
-    }
-    if (arg->has_iops_max_length) {
-        cfg.buckets[THROTTLE_OPS_TOTAL].burst_length = arg->iops_max_length;
-    }
-    if (arg->has_iops_rd_max_length) {
-        cfg.buckets[THROTTLE_OPS_READ].burst_length = arg->iops_rd_max_length;
-    }
-    if (arg->has_iops_wr_max_length) {
-        cfg.buckets[THROTTLE_OPS_WRITE].burst_length = arg->iops_wr_max_length;
-    }
-
-    if (arg->has_iops_size) {
-        cfg.op_size = arg->iops_size;
-    }
+    qmp_set_io_throttle(&cfg, iothrottle);
 
     if (!throttle_is_valid(&cfg, errp)) {
         goto out;
@@ -2713,8 +2625,8 @@ void qmp_block_set_io_throttle(BlockIOThrottle *arg, Error **errp)
         if (!blk_get_public(blk)->throttle_state) {
             blk_io_limits_enable(blk,
                                  arg->has_group ? arg->group :
-                                 arg->has_device ? arg->device :
-                                 arg->id);
+                                 iothrottle->has_device ? iothrottle->device :
+                                 iothrottle->id);
         } else if (arg->has_group) {
             blk_io_limits_update_group(blk, arg->group);
         }
diff --git a/fsdev/Makefile.objs b/fsdev/Makefile.objs
index 659df6e..31eed64 100644
--- a/fsdev/Makefile.objs
+++ b/fsdev/Makefile.objs
@@ -5,6 +5,7 @@ common-obj-y = qemu-fsdev.o 9p-marshal.o 9p-iov-marshal.o
 else
 common-obj-y = qemu-fsdev-dummy.o
 endif
+#common-obj-y += qemu-fsdev-opts.o prin.o qemu-fsdev-throttle.o qmp-throttle.o
 common-obj-y += qemu-fsdev-opts.o qemu-fsdev-throttle.o
 
 # Toplevel always builds this; targets without virtio will put it in
diff --git a/fsdev/qemu-fsdev-throttle.c b/fsdev/qemu-fsdev-throttle.c
index e3ea095..275a565 100644
--- a/fsdev/qemu-fsdev-throttle.c
+++ b/fsdev/qemu-fsdev-throttle.c
@@ -33,56 +33,7 @@ void fsdev_set_io_throttle(IOThrottle *arg, FsThrottle *fst, Error **errp)
 {
     ThrottleConfig cfg;
 
-    throttle_config_init(&cfg);
-    cfg.buckets[THROTTLE_BPS_TOTAL].avg = arg->bps;
-    cfg.buckets[THROTTLE_BPS_READ].avg  = arg->bps_rd;
-    cfg.buckets[THROTTLE_BPS_WRITE].avg = arg->bps_wr;
-
-    cfg.buckets[THROTTLE_OPS_TOTAL].avg = arg->iops;
-    cfg.buckets[THROTTLE_OPS_READ].avg  = arg->iops_rd;
-    cfg.buckets[THROTTLE_OPS_WRITE].avg = arg->iops_wr;
-
-    if (arg->has_bps_max) {
-        cfg.buckets[THROTTLE_BPS_TOTAL].max = arg->bps_max;
-    }
-    if (arg->has_bps_rd_max) {
-        cfg.buckets[THROTTLE_BPS_READ].max = arg->bps_rd_max;
-    }
-    if (arg->has_bps_wr_max) {
-        cfg.buckets[THROTTLE_BPS_WRITE].max = arg->bps_wr_max;
-    }
-    if (arg->has_iops_max) {
-        cfg.buckets[THROTTLE_OPS_TOTAL].max = arg->iops_max;
-    }
-    if (arg->has_iops_rd_max) {
-        cfg.buckets[THROTTLE_OPS_READ].max = arg->iops_rd_max;
-    }
-    if (arg->has_iops_wr_max) {
-        cfg.buckets[THROTTLE_OPS_WRITE].max = arg->iops_wr_max;
-    }
-
-    if (arg->has_bps_max_length) {
-        cfg.buckets[THROTTLE_BPS_TOTAL].burst_length = arg->bps_max_length;
-    }
-    if (arg->has_bps_rd_max_length) {
-        cfg.buckets[THROTTLE_BPS_READ].burst_length = arg->bps_rd_max_length;
-    }
-    if (arg->has_bps_wr_max_length) {
-        cfg.buckets[THROTTLE_BPS_WRITE].burst_length = arg->bps_wr_max_length;
-    }
-    if (arg->has_iops_max_length) {
-        cfg.buckets[THROTTLE_OPS_TOTAL].burst_length = arg->iops_max_length;
-    }
-    if (arg->has_iops_rd_max_length) {
-        cfg.buckets[THROTTLE_OPS_READ].burst_length = arg->iops_rd_max_length;
-    }
-    if (arg->has_iops_wr_max_length) {
-        cfg.buckets[THROTTLE_OPS_WRITE].burst_length = arg->iops_wr_max_length;
-    }
-
-    if (arg->has_iops_size) {
-        cfg.op_size = arg->iops_size;
-    }
+    qmp_set_io_throttle(&cfg, arg);
 
     if (throttle_is_valid(&cfg, errp)) {
         fst->cfg = cfg;
@@ -127,48 +78,7 @@ void fsdev_get_io_throttle(FsThrottle *fst, IOThrottle **fs9pcfg,
 
 void fsdev_throttle_parse_opts(QemuOpts *opts, FsThrottle *fst, Error **errp)
 {
-    throttle_config_init(&fst->cfg);
-    fst->cfg.buckets[THROTTLE_BPS_TOTAL].avg =
-        qemu_opt_get_number(opts, "throttling.bps-total", 0);
-    fst->cfg.buckets[THROTTLE_BPS_READ].avg  =
-        qemu_opt_get_number(opts, "throttling.bps-read", 0);
-    fst->cfg.buckets[THROTTLE_BPS_WRITE].avg =
-        qemu_opt_get_number(opts, "throttling.bps-write", 0);
-    fst->cfg.buckets[THROTTLE_OPS_TOTAL].avg =
-        qemu_opt_get_number(opts, "throttling.iops-total", 0);
-    fst->cfg.buckets[THROTTLE_OPS_READ].avg =
-        qemu_opt_get_number(opts, "throttling.iops-read", 0);
-    fst->cfg.buckets[THROTTLE_OPS_WRITE].avg =
-        qemu_opt_get_number(opts, "throttling.iops-write", 0);
-
-    fst->cfg.buckets[THROTTLE_BPS_TOTAL].max =
-        qemu_opt_get_number(opts, "throttling.bps-total-max", 0);
-    fst->cfg.buckets[THROTTLE_BPS_READ].max  =
-        qemu_opt_get_number(opts, "throttling.bps-read-max", 0);
-    fst->cfg.buckets[THROTTLE_BPS_WRITE].max =
-        qemu_opt_get_number(opts, "throttling.bps-write-max", 0);
-    fst->cfg.buckets[THROTTLE_OPS_TOTAL].max =
-        qemu_opt_get_number(opts, "throttling.iops-total-max", 0);
-    fst->cfg.buckets[THROTTLE_OPS_READ].max =
-        qemu_opt_get_number(opts, "throttling.iops-read-max", 0);
-    fst->cfg.buckets[THROTTLE_OPS_WRITE].max =
-        qemu_opt_get_number(opts, "throttling.iops-write-max", 0);
-
-    fst->cfg.buckets[THROTTLE_BPS_TOTAL].burst_length =
-        qemu_opt_get_number(opts, "throttling.bps-total-max-length", 1);
-    fst->cfg.buckets[THROTTLE_BPS_READ].burst_length  =
-        qemu_opt_get_number(opts, "throttling.bps-read-max-length", 1);
-    fst->cfg.buckets[THROTTLE_BPS_WRITE].burst_length =
-        qemu_opt_get_number(opts, "throttling.bps-write-max-length", 1);
-    fst->cfg.buckets[THROTTLE_OPS_TOTAL].burst_length =
-        qemu_opt_get_number(opts, "throttling.iops-total-max-length", 1);
-    fst->cfg.buckets[THROTTLE_OPS_READ].burst_length =
-        qemu_opt_get_number(opts, "throttling.iops-read-max-length", 1);
-    fst->cfg.buckets[THROTTLE_OPS_WRITE].burst_length =
-        qemu_opt_get_number(opts, "throttling.iops-write-max-length", 1);
-    fst->cfg.op_size =
-        qemu_opt_get_number(opts, "throttling.iops-size", 0);
-
+    parse_io_throttle_options(&fst->cfg, opts);
     throttle_is_valid(&fst->cfg, errp);
 }
 
diff --git a/fsdev/qemu-fsdev-throttle.h b/fsdev/qemu-fsdev-throttle.h
index f6b4d86..14cd183 100644
--- a/fsdev/qemu-fsdev-throttle.h
+++ b/fsdev/qemu-fsdev-throttle.h
@@ -19,13 +19,14 @@
 #include "qemu/main-loop.h"
 #include "qemu/coroutine.h"
 #include "qapi/error.h"
+#include "qapi/qmp/qerror.h"
 #include "qemu/throttle.h"
 #include "qapi/qmp/types.h"
 #include "qapi-visit.h"
-#include "qapi/qmp/qerror.h"
 #include "qapi/qobject-output-visitor.h"
 #include "qapi/util.h"
 #include "qmp-commands.h"
+#include "qemu/throttle-options.h"
 
 typedef struct FsThrottle {
     ThrottleState ts;
diff --git a/hmp.c b/hmp.c
index 008ff3b..f489d49 100644
--- a/hmp.c
+++ b/hmp.c
@@ -1554,20 +1554,25 @@ void hmp_change(Monitor *mon, const QDict *qdict)
     hmp_handle_error(mon, &err);
 }
 
+static void hmp_initialize_io_throttle(IOThrottle *iot, const QDict *qdict)
+{
+    iot->has_device = true;
+    iot->device = (char *) qdict_get_str(qdict, "device");
+    iot->bps = qdict_get_int(qdict, "bps");
+    iot->bps_rd = qdict_get_int(qdict, "bps_rd");
+    iot->bps_wr = qdict_get_int(qdict, "bps_wr");
+    iot->iops = qdict_get_int(qdict, "iops");
+    iot->iops_rd = qdict_get_int(qdict, "iops_rd");
+    iot->iops_wr = qdict_get_int(qdict, "iops_wr");
+}
+
 void hmp_block_set_io_throttle(Monitor *mon, const QDict *qdict)
 {
     Error *err = NULL;
-    BlockIOThrottle throttle = {
-        .has_device = true,
-        .device = (char *) qdict_get_str(qdict, "device"),
-        .bps = qdict_get_int(qdict, "bps"),
-        .bps_rd = qdict_get_int(qdict, "bps_rd"),
-        .bps_wr = qdict_get_int(qdict, "bps_wr"),
-        .iops = qdict_get_int(qdict, "iops"),
-        .iops_rd = qdict_get_int(qdict, "iops_rd"),
-        .iops_wr = qdict_get_int(qdict, "iops_wr"),
-    };
-
+    BlockIOThrottle throttle;
+    IOThrottle iothrottle;
+    hmp_initialize_io_throttle(&iothrottle, qdict);
+    throttle.iothrottle = &iothrottle;
     qmp_block_set_io_throttle(&throttle, &err);
     hmp_handle_error(mon, &err);
 }
@@ -1577,16 +1582,8 @@ void hmp_block_set_io_throttle(Monitor *mon, const QDict *qdict)
 void hmp_fsdev_set_io_throttle(Monitor *mon, const QDict *qdict)
 {
     Error *err = NULL;
-    IOThrottle throttle = {
-        .device = (char *) qdict_get_str(qdict, "device"),
-        .bps = qdict_get_int(qdict, "bps"),
-        .bps_rd = qdict_get_int(qdict, "bps_rd"),
-        .bps_wr = qdict_get_int(qdict, "bps_wr"),
-        .iops = qdict_get_int(qdict, "iops"),
-        .iops_rd = qdict_get_int(qdict, "iops_rd"),
-        .iops_wr = qdict_get_int(qdict, "iops_wr"),
-    };
-
+    IOThrottle throttle;
+    hmp_initialize_io_throttle(&throttle, qdict);
     qmp_fsdev_set_io_throttle(&throttle, &err);
     hmp_handle_error(mon, &err);
 }
diff --git a/include/qemu/throttle-options.h b/include/qemu/throttle-options.h
index 3133d1c..59a575e 100644
--- a/include/qemu/throttle-options.h
+++ b/include/qemu/throttle-options.h
@@ -10,6 +10,9 @@
 #ifndef THROTTLE_OPTIONS_H
 #define THROTTLE_OPTIONS_H
 
+#include "qemu/throttle.h"
+#include "qmp-commands.h"
+
 #define THROTTLE_OPTS \
           { \
             .name = "throttling.iops-total",\
@@ -89,4 +92,6 @@
             .help = "when limiting by iops max size of an I/O in bytes",\
         }
 
+void qmp_set_io_throttle(ThrottleConfig *, IOThrottle *);
+void parse_io_throttle_options(ThrottleConfig *, QemuOpts *);
 #endif
diff --git a/qapi/block-core.json b/qapi/block-core.json
index 0f132fc..3d0a3fb 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -1758,86 +1758,14 @@
 #
 # A set of parameters describing block throttling.
 #
-# @device: Block device name (deprecated, use @id instead)
-#
-# @id: The name or QOM path of the guest device (since: 2.8)
-#
-# @bps: total throughput limit in bytes per second
-#
-# @bps_rd: read throughput limit in bytes per second
-#
-# @bps_wr: write throughput limit in bytes per second
-#
-# @iops: total I/O operations per second
-#
-# @iops_rd: read I/O operations per second
-#
-# @iops_wr: write I/O operations per second
-#
-# @bps_max: total throughput limit during bursts,
-#                     in bytes (Since 1.7)
-#
-# @bps_rd_max: read throughput limit during bursts,
-#                        in bytes (Since 1.7)
-#
-# @bps_wr_max: write throughput limit during bursts,
-#                        in bytes (Since 1.7)
-#
-# @iops_max: total I/O operations per second during bursts,
-#                      in bytes (Since 1.7)
-#
-# @iops_rd_max: read I/O operations per second during bursts,
-#                         in bytes (Since 1.7)
-#
-# @iops_wr_max: write I/O operations per second during bursts,
-#                         in bytes (Since 1.7)
-#
-# @bps_max_length: maximum length of the @bps_max burst
-#                            period, in seconds. It must only
-#                            be set if @bps_max is set as well.
-#                            Defaults to 1. (Since 2.6)
-#
-# @bps_rd_max_length: maximum length of the @bps_rd_max
-#                               burst period, in seconds. It must only
-#                               be set if @bps_rd_max is set as well.
-#                               Defaults to 1. (Since 2.6)
-#
-# @bps_wr_max_length: maximum length of the @bps_wr_max
-#                               burst period, in seconds. It must only
-#                               be set if @bps_wr_max is set as well.
-#                               Defaults to 1. (Since 2.6)
-#
-# @iops_max_length: maximum length of the @iops burst
-#                             period, in seconds. It must only
-#                             be set if @iops_max is set as well.
-#                             Defaults to 1. (Since 2.6)
-#
-# @iops_rd_max_length: maximum length of the @iops_rd_max
-#                                burst period, in seconds. It must only
-#                                be set if @iops_rd_max is set as well.
-#                                Defaults to 1. (Since 2.6)
-#
-# @iops_wr_max_length: maximum length of the @iops_wr_max
-#                                burst period, in seconds. It must only
-#                                be set if @iops_wr_max is set as well.
-#                                Defaults to 1. (Since 2.6)
-#
-# @iops_size: an I/O size in bytes (Since 1.7)
+# @iothrottle: throttle configuration (Since 1.7)
 #
 # @group: throttle group name (Since 2.4)
 #
 # Since: 1.1
 ##
 { 'struct': 'BlockIOThrottle',
-  'data': { '*device': 'str', '*id': 'str', 'bps': 'int', 'bps_rd': 'int',
-            'bps_wr': 'int', 'iops': 'int', 'iops_rd': 'int', 'iops_wr': 'int',
-            '*bps_max': 'int', '*bps_rd_max': 'int',
-            '*bps_wr_max': 'int', '*iops_max': 'int',
-            '*iops_rd_max': 'int', '*iops_wr_max': 'int',
-            '*bps_max_length': 'int', '*bps_rd_max_length': 'int',
-            '*bps_wr_max_length': 'int', '*iops_max_length': 'int',
-            '*iops_rd_max_length': 'int', '*iops_wr_max_length': 'int',
-            '*iops_size': 'int', '*group': 'str' } }
+  'data': { '*iothrottle': 'IOThrottle', '*group': 'str' } }
 
 ##
 # @block-stream:
diff --git a/qapi/iothrottle.json b/qapi/iothrottle.json
index f7b615d..58f4520 100644
--- a/qapi/iothrottle.json
+++ b/qapi/iothrottle.json
@@ -14,6 +14,8 @@
 #
 # @device: Block device name
 #
+# @id: The name or QOM path of the guest device (since: 2.8)
+#
 # @bps: total throughput limit in bytes per second
 #
 # @bps_rd: read throughput limit in bytes per second
@@ -80,7 +82,7 @@
 # Since: 2.10
 ##
 { 'struct': 'IOThrottle',
-  'data': { '*device': 'str', 'bps': 'int', 'bps_rd': 'int',
+  'data': { '*device': 'str', '*id': 'str', 'bps': 'int', 'bps_rd': 'int',
             'bps_wr': 'int', 'iops': 'int', 'iops_rd': 'int', 'iops_wr': 'int',
             '*bps_max': 'int', '*bps_rd_max': 'int',
             '*bps_wr_max': 'int', '*iops_max': 'int',
diff --git a/util/Makefile.objs b/util/Makefile.objs
index 06366b5..401eaf5 100644
--- a/util/Makefile.objs
+++ b/util/Makefile.objs
@@ -42,3 +42,4 @@ util-obj-y += log.o
 util-obj-y += qdist.o
 util-obj-y += qht.o
 util-obj-y += range.o
+util-obj-y += throttle-options.o
diff --git a/util/throttle-options.c b/util/throttle-options.c
new file mode 100644
index 0000000..e428938
--- /dev/null
+++ b/util/throttle-options.c
@@ -0,0 +1,108 @@
+#include "qemu/osdep.h"
+#include "qemu/error-report.h"
+#include "qemu/throttle-options.h"
+#include "qemu/iov.h"
+
+void qmp_set_io_throttle(ThrottleConfig *cfg, IOThrottle *arg)
+{
+
+    throttle_config_init(cfg);
+    cfg->buckets[THROTTLE_BPS_TOTAL].avg = arg->bps;
+    cfg->buckets[THROTTLE_BPS_READ].avg  = arg->bps_rd;
+    cfg->buckets[THROTTLE_BPS_WRITE].avg = arg->bps_wr;
+
+    cfg->buckets[THROTTLE_OPS_TOTAL].avg = arg->iops;
+    cfg->buckets[THROTTLE_OPS_READ].avg  = arg->iops_rd;
+    cfg->buckets[THROTTLE_OPS_WRITE].avg = arg->iops_wr;
+
+    if (arg->has_bps_max) {
+        cfg->buckets[THROTTLE_BPS_TOTAL].max = arg->bps_max;
+    }
+    if (arg->has_bps_rd_max) {
+        cfg->buckets[THROTTLE_BPS_READ].max = arg->bps_rd_max;
+    }
+    if (arg->has_bps_wr_max) {
+        cfg->buckets[THROTTLE_BPS_WRITE].max = arg->bps_wr_max;
+    }
+    if (arg->has_iops_max) {
+        cfg->buckets[THROTTLE_OPS_TOTAL].max = arg->iops_max;
+    }
+    if (arg->has_iops_rd_max) {
+        cfg->buckets[THROTTLE_OPS_READ].max = arg->iops_rd_max;
+    }
+    if (arg->has_iops_wr_max) {
+        cfg->buckets[THROTTLE_OPS_WRITE].max = arg->iops_wr_max;
+    }
+
+    if (arg->has_bps_max_length) {
+        cfg->buckets[THROTTLE_BPS_TOTAL].burst_length = arg->bps_max_length;
+    }
+    if (arg->has_bps_rd_max_length) {
+        cfg->buckets[THROTTLE_BPS_READ].burst_length = arg->bps_rd_max_length;
+    }
+    if (arg->has_bps_wr_max_length) {
+        cfg->buckets[THROTTLE_BPS_WRITE].burst_length = arg->bps_wr_max_length;
+    }
+    if (arg->has_iops_max_length) {
+        cfg->buckets[THROTTLE_OPS_TOTAL].burst_length = arg->iops_max_length;
+    }
+    if (arg->has_iops_rd_max_length) {
+        cfg->buckets[THROTTLE_OPS_READ].burst_length = arg->iops_rd_max_length;
+    }
+    if (arg->has_iops_wr_max_length) {
+        cfg->buckets[THROTTLE_OPS_WRITE].burst_length = arg->iops_wr_max_length;
+    }
+
+    if (arg->has_iops_size) {
+        cfg->op_size = arg->iops_size;
+    }
+}
+
+void parse_io_throttle_options(ThrottleConfig *throttle_cfg, QemuOpts *opts)
+{
+    throttle_config_init(throttle_cfg);
+    throttle_cfg->buckets[THROTTLE_BPS_TOTAL].avg =
+        qemu_opt_get_number(opts, "throttling.bps-total", 0);
+    throttle_cfg->buckets[THROTTLE_BPS_READ].avg  =
+        qemu_opt_get_number(opts, "throttling.bps-read", 0);
+    throttle_cfg->buckets[THROTTLE_BPS_WRITE].avg =
+        qemu_opt_get_number(opts, "throttling.bps-write", 0);
+    throttle_cfg->buckets[THROTTLE_OPS_TOTAL].avg =
+        qemu_opt_get_number(opts, "throttling.iops-total", 0);
+    throttle_cfg->buckets[THROTTLE_OPS_READ].avg =
+        qemu_opt_get_number(opts, "throttling.iops-read", 0);
+    throttle_cfg->buckets[THROTTLE_OPS_WRITE].avg =
+        qemu_opt_get_number(opts, "throttling.iops-write", 0);
+
+    throttle_cfg->buckets[THROTTLE_BPS_TOTAL].max =
+        qemu_opt_get_number(opts, "throttling.bps-total-max", 0);
+    throttle_cfg->buckets[THROTTLE_BPS_READ].max  =
+        qemu_opt_get_number(opts, "throttling.bps-read-max", 0);
+    throttle_cfg->buckets[THROTTLE_BPS_WRITE].max =
+        qemu_opt_get_number(opts, "throttling.bps-write-max", 0);
+    throttle_cfg->buckets[THROTTLE_OPS_TOTAL].max =
+        qemu_opt_get_number(opts, "throttling.iops-total-max", 0);
+    throttle_cfg->buckets[THROTTLE_OPS_READ].max =
+        qemu_opt_get_number(opts, "throttling.iops-read-max", 0);
+    throttle_cfg->buckets[THROTTLE_OPS_WRITE].max =
+        qemu_opt_get_number(opts, "throttling.iops-write-max", 0);
+
+    throttle_cfg->buckets[THROTTLE_BPS_TOTAL].burst_length =
+        qemu_opt_get_number(opts, "throttling.bps-total-max-length", 1);
+    throttle_cfg->buckets[THROTTLE_BPS_READ].burst_length  =
+        qemu_opt_get_number(opts, "throttling.bps-read-max-length", 1);
+    throttle_cfg->buckets[THROTTLE_BPS_WRITE].burst_length =
+        qemu_opt_get_number(opts, "throttling.bps-write-max-length", 1);
+    throttle_cfg->buckets[THROTTLE_OPS_TOTAL].burst_length =
+        qemu_opt_get_number(opts, "throttling.iops-total-max-length", 1);
+    throttle_cfg->buckets[THROTTLE_OPS_READ].burst_length =
+        qemu_opt_get_number(opts, "throttling.iops-read-max-length", 1);
+    throttle_cfg->buckets[THROTTLE_OPS_WRITE].burst_length =
+        qemu_opt_get_number(opts, "throttling.iops-write-max-length", 1);
+
+    throttle_cfg->op_size =
+        qemu_opt_get_number(opts, "throttling.iops-size", 0);
+
+}
+
+
