diff --git a/configure b/configure
index c6172ef..abeb3d3 100755
--- a/configure
+++ b/configure
@@ -3703,7 +3703,7 @@ fi
 # USB host support
 case "$usb" in
 linux)
-  echo "HOST_USB=linux" >> $config_host_mak
+  echo "HOST_USB=linux legacy" >> $config_host_mak
 ;;
 bsd)
   echo "HOST_USB=bsd" >> $config_host_mak
diff --git a/hw/usb/Makefile.objs b/hw/usb/Makefile.objs
index d1bbbc0..95df831 100644
--- a/hw/usb/Makefile.objs
+++ b/hw/usb/Makefile.objs
@@ -7,7 +7,7 @@ common-obj-y += libhw.o
 common-obj-$(CONFIG_USB_REDIR) += redirect.o quirks.o
 
 common-obj-y += core.o combined-packet.o bus.o desc.o dev-hub.o
-common-obj-y += host-$(HOST_USB).o dev-bluetooth.o
+common-obj-y += $(patsubst %,host-%.o,$(HOST_USB)) dev-bluetooth.o
 common-obj-y += dev-hid.o dev-storage.o dev-wacom.o
 common-obj-y += dev-serial.o dev-network.o dev-audio.o
 common-obj-y += dev-smartcard-reader.o
diff --git a/hw/usb/host-legacy.c b/hw/usb/host-legacy.c
new file mode 100644
index 0000000..3a5f705
--- /dev/null
+++ b/hw/usb/host-legacy.c
@@ -0,0 +1,144 @@
+/*
+ * Linux host USB redirector
+ *
+ * Copyright (c) 2005 Fabrice Bellard
+ *
+ * Copyright (c) 2008 Max Krasnyansky
+ *      Support for host device auto connect & disconnect
+ *      Major rewrite to support fully async operation
+ *
+ * Copyright 2008 TJ <linux@tjworld.net>
+ *      Added flexible support for /dev/bus/usb /sys/bus/usb/devices in addition
+ *      to the legacy /proc/bus/usb USB device discovery and handling
+ *
+ * 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.
+ */
+
+#include "qemu-common.h"
+#include "hw/usb.h"
+#include "hw/usb/host.h"
+
+/*
+ * Autoconnect filter
+ * Format:
+ *    auto:bus:dev[:vid:pid]
+ *    auto:bus.dev[:vid:pid]
+ *
+ *    bus  - bus number    (dec, * means any)
+ *    dev  - device number (dec, * means any)
+ *    vid  - vendor id     (hex, * means any)
+ *    pid  - product id    (hex, * means any)
+ *
+ *    See 'lsusb' output.
+ */
+static int parse_filter(const char *spec, struct USBAutoFilter *f)
+{
+    enum { BUS, DEV, VID, PID, DONE };
+    const char *p = spec;
+    int i;
+
+    f->bus_num    = 0;
+    f->addr       = 0;
+    f->vendor_id  = 0;
+    f->product_id = 0;
+
+    for (i = BUS; i < DONE; i++) {
+        p = strpbrk(p, ":.");
+        if (!p) {
+            break;
+        }
+        p++;
+
+        if (*p == '*') {
+            continue;
+        }
+        switch (i) {
+        case BUS:
+            f->bus_num = strtol(p, NULL, 10);
+            break;
+        case DEV:
+            f->addr    = strtol(p, NULL, 10);
+            break;
+        case VID:
+            f->vendor_id  = strtol(p, NULL, 16);
+            break;
+        case PID:
+            f->product_id = strtol(p, NULL, 16);
+            break;
+        }
+    }
+
+    if (i < DEV) {
+        fprintf(stderr, "husb: invalid auto filter spec %s\n", spec);
+        return -1;
+    }
+
+    return 0;
+}
+
+USBDevice *usb_host_device_open(USBBus *bus, const char *devname)
+{
+    struct USBAutoFilter filter;
+    USBDevice *dev;
+    char *p;
+
+    dev = usb_create(bus, "usb-host");
+
+    if (strstr(devname, "auto:")) {
+        if (parse_filter(devname, &filter) < 0) {
+            goto fail;
+        }
+    } else {
+        p = strchr(devname, '.');
+        if (p) {
+            filter.bus_num    = strtoul(devname, NULL, 0);
+            filter.addr       = strtoul(p + 1, NULL, 0);
+            filter.vendor_id  = 0;
+            filter.product_id = 0;
+        } else {
+            p = strchr(devname, ':');
+            if (p) {
+                filter.bus_num    = 0;
+                filter.addr       = 0;
+                filter.vendor_id  = strtoul(devname, NULL, 16);
+                filter.product_id = strtoul(p + 1, NULL, 16);
+            } else {
+                goto fail;
+            }
+        }
+    }
+
+    qdev_prop_set_uint32(&dev->qdev, "hostbus",   filter.bus_num);
+    qdev_prop_set_uint32(&dev->qdev, "hostaddr",  filter.addr);
+    qdev_prop_set_uint32(&dev->qdev, "vendorid",  filter.vendor_id);
+    qdev_prop_set_uint32(&dev->qdev, "productid", filter.product_id);
+    qdev_init_nofail(&dev->qdev);
+    return dev;
+
+fail:
+    qdev_free(&dev->qdev);
+    return NULL;
+}
+
+static void usb_host_register_types(void)
+{
+    usb_legacy_register("usb-host", "host", usb_host_device_open);
+}
+
+type_init(usb_host_register_types)
diff --git a/hw/usb/host-linux.c b/hw/usb/host-linux.c
index a2cff8a..c18a6c8 100644
--- a/hw/usb/host-linux.c
+++ b/hw/usb/host-linux.c
@@ -43,6 +43,7 @@
 #include <linux/version.h>
 #include "hw/usb.h"
 #include "hw/usb/desc.h"
+#include "hw/usb/host.h"
 
 /* We redefine it to avoid version problems */
 struct usb_ctrltransfer {
@@ -87,14 +88,6 @@ struct endp_data {
     int inflight;
 };
 
-struct USBAutoFilter {
-    uint32_t bus_num;
-    uint32_t addr;
-    char     *port;
-    uint32_t vendor_id;
-    uint32_t product_id;
-};
-
 enum USBHostDeviceOptions {
     USB_HOST_OPT_PIPELINE,
 };
@@ -131,7 +124,6 @@ typedef struct USBHostDevice {
 static QTAILQ_HEAD(, USBHostDevice) hostdevs = QTAILQ_HEAD_INITIALIZER(hostdevs);
 
 static int usb_host_close(USBHostDevice *dev);
-static int parse_filter(const char *spec, struct USBAutoFilter *f);
 static void usb_host_auto_check(void *unused);
 static int usb_host_read_file(char *line, size_t line_size,
                             const char *device_file, const char *device_name);
@@ -1544,51 +1536,10 @@ static const TypeInfo usb_host_dev_info = {
 static void usb_host_register_types(void)
 {
     type_register_static(&usb_host_dev_info);
-    usb_legacy_register("usb-host", "host", usb_host_device_open);
 }
 
 type_init(usb_host_register_types)
 
-USBDevice *usb_host_device_open(USBBus *bus, const char *devname)
-{
-    struct USBAutoFilter filter;
-    USBDevice *dev;
-    char *p;
-
-    dev = usb_create(bus, "usb-host");
-
-    if (strstr(devname, "auto:")) {
-        if (parse_filter(devname, &filter) < 0) {
-            goto fail;
-        }
-    } else {
-        if ((p = strchr(devname, '.'))) {
-            filter.bus_num    = strtoul(devname, NULL, 0);
-            filter.addr       = strtoul(p + 1, NULL, 0);
-            filter.vendor_id  = 0;
-            filter.product_id = 0;
-        } else if ((p = strchr(devname, ':'))) {
-            filter.bus_num    = 0;
-            filter.addr       = 0;
-            filter.vendor_id  = strtoul(devname, NULL, 16);
-            filter.product_id = strtoul(p + 1, NULL, 16);
-        } else {
-            goto fail;
-        }
-    }
-
-    qdev_prop_set_uint32(&dev->qdev, "hostbus",   filter.bus_num);
-    qdev_prop_set_uint32(&dev->qdev, "hostaddr",  filter.addr);
-    qdev_prop_set_uint32(&dev->qdev, "vendorid",  filter.vendor_id);
-    qdev_prop_set_uint32(&dev->qdev, "productid", filter.product_id);
-    qdev_init_nofail(&dev->qdev);
-    return dev;
-
-fail:
-    qdev_free(&dev->qdev);
-    return NULL;
-}
-
 int usb_host_device_close(const char *devname)
 {
 #if 0
@@ -1840,56 +1791,6 @@ static void usb_host_auto_check(void *unused)
     qemu_mod_timer(usb_auto_timer, qemu_get_clock_ms(rt_clock) + 2000);
 }
 
-/*
- * Autoconnect filter
- * Format:
- *    auto:bus:dev[:vid:pid]
- *    auto:bus.dev[:vid:pid]
- *
- *    bus  - bus number    (dec, * means any)
- *    dev  - device number (dec, * means any)
- *    vid  - vendor id     (hex, * means any)
- *    pid  - product id    (hex, * means any)
- *
- *    See 'lsusb' output.
- */
-static int parse_filter(const char *spec, struct USBAutoFilter *f)
-{
-    enum { BUS, DEV, VID, PID, DONE };
-    const char *p = spec;
-    int i;
-
-    f->bus_num    = 0;
-    f->addr       = 0;
-    f->vendor_id  = 0;
-    f->product_id = 0;
-
-    for (i = BUS; i < DONE; i++) {
-        p = strpbrk(p, ":.");
-        if (!p) {
-            break;
-        }
-        p++;
-
-        if (*p == '*') {
-            continue;
-        }
-        switch(i) {
-        case BUS: f->bus_num = strtol(p, NULL, 10);    break;
-        case DEV: f->addr    = strtol(p, NULL, 10);    break;
-        case VID: f->vendor_id  = strtol(p, NULL, 16); break;
-        case PID: f->product_id = strtol(p, NULL, 16); break;
-        }
-    }
-
-    if (i < DEV) {
-        fprintf(stderr, "husb: invalid auto filter spec %s\n", spec);
-        return -1;
-    }
-
-    return 0;
-}
-
 /**********************/
 /* USB host device info */
 
diff --git a/hw/usb/host.h b/hw/usb/host.h
new file mode 100644
index 0000000..048ff3b
--- /dev/null
+++ b/hw/usb/host.h
@@ -0,0 +1,44 @@
+/*
+ * Linux host USB redirector
+ *
+ * Copyright (c) 2005 Fabrice Bellard
+ *
+ * Copyright (c) 2008 Max Krasnyansky
+ *      Support for host device auto connect & disconnect
+ *      Major rewrite to support fully async operation
+ *
+ * Copyright 2008 TJ <linux@tjworld.net>
+ *      Added flexible support for /dev/bus/usb /sys/bus/usb/devices in addition
+ *      to the legacy /proc/bus/usb USB device discovery and handling
+ *
+ * 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.
+ */
+
+#ifndef QEMU_USB_HOST_H
+#define QEMU_USB_HOST_H
+
+struct USBAutoFilter {
+    uint32_t bus_num;
+    uint32_t addr;
+    char     *port;
+    uint32_t vendor_id;
+    uint32_t product_id;
+};
+
+#endif /* QEMU_USB_HOST_H */
