diff --git a/hw/scsi/scsi-bus.c b/hw/scsi/scsi-bus.c
index 965becf31f93dc5e9b028b9227a176960682792d..05e501efd39aa9c36b76903208af1fd2dc63e0e7 100644
--- a/hw/scsi/scsi-bus.c
+++ b/hw/scsi/scsi-bus.c
@@ -224,6 +224,7 @@ static void scsi_qdev_unrealize(DeviceState *qdev, Error **errp)
 /* handle legacy '-drive if=scsi,...' cmd line args */
 SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, BlockBackend *blk,
                                       int unit, bool removable, int bootindex,
+                                      bool share_rw,
                                       const char *serial, Error **errp)
 {
     const char *driver;
@@ -254,6 +255,12 @@ SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, BlockBackend *blk,
         object_unparent(OBJECT(dev));
         return NULL;
     }
+    object_property_set_bool(OBJECT(dev), share_rw, "share-rw", &err);
+    if (err != NULL) {
+        error_propagate(errp, err);
+        object_unparent(OBJECT(dev));
+        return NULL;
+    }
     object_property_set_bool(OBJECT(dev), true, "realized", &err);
     if (err != NULL) {
         error_propagate(errp, err);
@@ -288,7 +295,7 @@ void scsi_bus_legacy_handle_cmdline(SCSIBus *bus, bool deprecated)
             }
         }
         scsi_bus_legacy_add_drive(bus, blk_by_legacy_dinfo(dinfo),
-                                  unit, false, -1, NULL, &error_fatal);
+                                  unit, false, -1, false, NULL, &error_fatal);
     }
     loc_pop(&loc);
 }
diff --git a/hw/usb/Makefile.objs b/hw/usb/Makefile.objs
index bdfead6701a2ff1747c49440c749905aadc049ea..fbcd498c598374f30fd68af5c958129780319b5a 100644
--- a/hw/usb/Makefile.objs
+++ b/hw/usb/Makefile.objs
@@ -43,7 +43,7 @@ redirect.o-libs = $(USB_REDIR_LIBS)
 
 # usb pass-through
 ifeq ($(CONFIG_USB_LIBUSB)$(CONFIG_USB),yy)
-common-obj-y += host-libusb.o host-legacy.o
+common-obj-y += host-libusb.o
 else
 common-obj-y += host-stub.o
 endif
diff --git a/hw/usb/ccid-card-emulated.c b/hw/usb/ccid-card-emulated.c
index e646eb243b86f1fa29306432e34fbc818e2cbd15..ea42e4681dd94aa92b58ba2711b4292fe2a4f163 100644
--- a/hw/usb/ccid-card-emulated.c
+++ b/hw/usb/ccid-card-emulated.c
@@ -35,6 +35,7 @@
 #include "qemu/thread.h"
 #include "qemu/main-loop.h"
 #include "ccid.h"
+#include "qapi/error.h"
 
 #define DPRINTF(card, lvl, fmt, ...) \
 do {\
@@ -401,10 +402,10 @@ static void card_event_handler(EventNotifier *notifier)
     qemu_mutex_unlock(&card->event_list_mutex);
 }
 
-static int init_event_notifier(EmulatedState *card)
+static int init_event_notifier(EmulatedState *card, Error **errp)
 {
     if (event_notifier_init(&card->notifier, false) < 0) {
-        DPRINTF(card, 2, "event notifier creation failed\n");
+        error_setg(errp, "ccid-card-emul: event notifier creation failed");
         return -1;
     }
     event_notifier_set_handler(&card->notifier, card_event_handler);
@@ -480,7 +481,7 @@ static uint32_t parse_enumeration(char *str,
     return ret;
 }
 
-static int emulated_initfn(CCIDCardState *base)
+static void emulated_realize(CCIDCardState *base, Error **errp)
 {
     EmulatedState *card = EMULATED_CCID_CARD(base);
     VCardEmulError ret;
@@ -494,8 +495,8 @@ static int emulated_initfn(CCIDCardState *base)
     qemu_cond_init(&card->handle_apdu_cond);
     card->reader = NULL;
     card->quit_apdu_thread = 0;
-    if (init_event_notifier(card) < 0) {
-        return -1;
+    if (init_event_notifier(card, errp) < 0) {
+        return;
     }
 
     card->backend = 0;
@@ -505,11 +506,11 @@ static int emulated_initfn(CCIDCardState *base)
     }
 
     if (card->backend == 0) {
-        printf("backend must be one of:\n");
+        error_setg(errp, "backend must be one of:");
         for (ptable = backend_enum_table; ptable->name != NULL; ++ptable) {
-            printf("%s\n", ptable->name);
+            error_append_hint(errp, "%s\n", ptable->name);
         }
-        return -1;
+        return;
     }
 
     /* TODO: a passthru backened that works on local machine. third card type?*/
@@ -517,37 +518,36 @@ static int emulated_initfn(CCIDCardState *base)
         if (card->cert1 != NULL && card->cert2 != NULL && card->cert3 != NULL) {
             ret = emulated_initialize_vcard_from_certificates(card);
         } else {
-            printf("%s: you must provide all three certs for"
-                   " certificates backend\n", TYPE_EMULATED_CCID);
-            return -1;
+            error_setg(errp, "%s: you must provide all three certs for"
+                       " certificates backend", TYPE_EMULATED_CCID);
+            return;
         }
     } else {
         if (card->backend != BACKEND_NSS_EMULATED) {
-            printf("%s: bad backend specified. The options are:\n%s (default),"
-                " %s.\n", TYPE_EMULATED_CCID, BACKEND_NSS_EMULATED_NAME,
-                BACKEND_CERTIFICATES_NAME);
-            return -1;
+            error_setg(errp, "%s: bad backend specified. The options are:%s"
+                       " (default), %s.", TYPE_EMULATED_CCID,
+                       BACKEND_NSS_EMULATED_NAME, BACKEND_CERTIFICATES_NAME);
+            return;
         }
         if (card->cert1 != NULL || card->cert2 != NULL || card->cert3 != NULL) {
-            printf("%s: unexpected cert parameters to nss emulated backend\n",
-                   TYPE_EMULATED_CCID);
-            return -1;
+            error_setg(errp, "%s: unexpected cert parameters to nss emulated "
+                       "backend", TYPE_EMULATED_CCID);
+            return;
         }
         /* default to mirroring the local hardware readers */
         ret = wrap_vcard_emul_init(NULL);
     }
     if (ret != VCARD_EMUL_OK) {
-        printf("%s: failed to initialize vcard\n", TYPE_EMULATED_CCID);
-        return -1;
+        error_setg(errp, "%s: failed to initialize vcard", TYPE_EMULATED_CCID);
+        return;
     }
     qemu_thread_create(&card->event_thread_id, "ccid/event", event_thread,
                        card, QEMU_THREAD_JOINABLE);
     qemu_thread_create(&card->apdu_thread_id, "ccid/apdu", handle_apdu_thread,
                        card, QEMU_THREAD_JOINABLE);
-    return 0;
 }
 
-static void emulated_exitfn(CCIDCardState *base)
+static void emulated_unrealize(CCIDCardState *base, Error **errp)
 {
     EmulatedState *card = EMULATED_CCID_CARD(base);
     VEvent *vevent = vevent_new(VEVENT_LAST, NULL, NULL);
@@ -581,8 +581,8 @@ static void emulated_class_initfn(ObjectClass *klass, void *data)
     DeviceClass *dc = DEVICE_CLASS(klass);
     CCIDCardClass *cc = CCID_CARD_CLASS(klass);
 
-    cc->initfn = emulated_initfn;
-    cc->exitfn = emulated_exitfn;
+    cc->realize = emulated_realize;
+    cc->unrealize = emulated_unrealize;
     cc->get_atr = emulated_get_atr;
     cc->apdu_from_guest = emulated_apdu_from_guest;
     set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
diff --git a/hw/usb/ccid-card-passthru.c b/hw/usb/ccid-card-passthru.c
index 117711862ee638abaa7309877afeaba7fecb5ab5..085ed2c667a80cf33aeed0bda5fd572fff4e7ec9 100644
--- a/hw/usb/ccid-card-passthru.c
+++ b/hw/usb/ccid-card-passthru.c
@@ -9,11 +9,13 @@
  */
 
 #include "qemu/osdep.h"
+#include "qapi/error.h"
 #include <cacard/vscard_common.h>
 #include "chardev/char-fe.h"
 #include "qemu/error-report.h"
 #include "qemu/sockets.h"
 #include "ccid.h"
+#include "qapi/error.h"
 
 #define DPRINTF(card, lvl, fmt, ...)                    \
 do {                                                    \
@@ -337,29 +339,28 @@ static const uint8_t *passthru_get_atr(CCIDCardState *base, uint32_t *len)
     return card->atr;
 }
 
-static int passthru_initfn(CCIDCardState *base)
+static void passthru_realize(CCIDCardState *base, Error **errp)
 {
     PassthruState *card = PASSTHRU_CCID_CARD(base);
 
     card->vscard_in_pos = 0;
     card->vscard_in_hdr = 0;
     if (qemu_chr_fe_backend_connected(&card->cs)) {
-        DPRINTF(card, D_INFO, "initing chardev\n");
+        error_setg(errp, "ccid-card-passthru: initing chardev");
         qemu_chr_fe_set_handlers(&card->cs,
             ccid_card_vscard_can_read,
             ccid_card_vscard_read,
             ccid_card_vscard_event, NULL, card, NULL, true);
         ccid_card_vscard_send_init(card);
     } else {
-        error_report("missing chardev");
-        return -1;
+        error_setg(errp, "missing chardev");
+        return;
     }
     card->debug = parse_debug_env("QEMU_CCID_PASSTHRU_DEBUG", D_VERBOSE,
                                   card->debug);
     assert(sizeof(DEFAULT_ATR) <= MAX_ATR_SIZE);
     memcpy(card->atr, DEFAULT_ATR, sizeof(DEFAULT_ATR));
     card->atr_length = sizeof(DEFAULT_ATR);
-    return 0;
 }
 
 static VMStateDescription passthru_vmstate = {
@@ -387,7 +388,7 @@ static void passthru_class_initfn(ObjectClass *klass, void *data)
     DeviceClass *dc = DEVICE_CLASS(klass);
     CCIDCardClass *cc = CCID_CARD_CLASS(klass);
 
-    cc->initfn = passthru_initfn;
+    cc->realize = passthru_realize;
     cc->get_atr = passthru_get_atr;
     cc->apdu_from_guest = passthru_apdu_from_guest;
     set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
diff --git a/hw/usb/ccid.h b/hw/usb/ccid.h
index 1f070116d634832740c971768dfd0701640dcb68..3920733f1331b3ea0a430aefd44bc49a144e0152 100644
--- a/hw/usb/ccid.h
+++ b/hw/usb/ccid.h
@@ -28,13 +28,15 @@ typedef struct CCIDCardInfo CCIDCardInfo;
  * into the smartcard device (hw/ccid-card-*.c)
  */
 typedef struct CCIDCardClass {
+    /*< private >*/
     DeviceClass parent_class;
+    /*< public >*/
     const uint8_t *(*get_atr)(CCIDCardState *card, uint32_t *len);
     void (*apdu_from_guest)(CCIDCardState *card,
                             const uint8_t *apdu,
                             uint32_t len);
-    void (*exitfn)(CCIDCardState *card);
-    int (*initfn)(CCIDCardState *card);
+    void (*realize)(CCIDCardState *card, Error **errp);
+    void (*unrealize)(CCIDCardState *card, Error **errp);
 } CCIDCardClass;
 
 /*
diff --git a/hw/usb/dev-network.c b/hw/usb/dev-network.c
index 85fc81bf43181b8f1bda15538b25d561109d127e..aea7edcf31ea2d115a511bf6339b7791f664e50a 100644
--- a/hw/usb/dev-network.c
+++ b/hw/usb/dev-network.c
@@ -1382,31 +1382,6 @@ static void usb_net_instance_init(Object *obj)
                                   &dev->qdev, NULL);
 }
 
-static USBDevice *usb_net_init(USBBus *bus, const char *cmdline)
-{
-    Error *local_err = NULL;
-    USBDevice *dev;
-    QemuOpts *opts;
-    int idx;
-
-    opts = qemu_opts_parse_noisily(qemu_find_opts("net"), cmdline, false);
-    if (!opts) {
-        return NULL;
-    }
-    qemu_opt_set(opts, "type", "nic", &error_abort);
-    qemu_opt_set(opts, "model", "usb", &error_abort);
-
-    idx = net_client_init(opts, false, &local_err);
-    if (local_err) {
-        error_report_err(local_err);
-        return NULL;
-    }
-
-    dev = usb_create(bus, "usb-net");
-    qdev_set_nic_properties(&dev->qdev, &nd_table[idx]);
-    return dev;
-}
-
 static const VMStateDescription vmstate_usb_net = {
     .name = "usb-net",
     .unmigratable = 1,
@@ -1446,7 +1421,6 @@ static const TypeInfo net_info = {
 static void usb_net_register_types(void)
 {
     type_register_static(&net_info);
-    usb_legacy_register(TYPE_USB_NET, "net", usb_net_init);
 }
 
 type_init(usb_net_register_types)
diff --git a/hw/usb/dev-serial.c b/hw/usb/dev-serial.c
index 94b5c34afe3b2aeff238167087b8066e149229b1..2829dda391b05f0302af87432a8f0b439600b321 100644
--- a/hw/usb/dev-serial.c
+++ b/hw/usb/dev-serial.c
@@ -509,35 +509,6 @@ static void usb_serial_realize(USBDevice *dev, Error **errp)
     }
 }
 
-static USBDevice *usb_serial_init(USBBus *bus, const char *filename)
-{
-    USBDevice *dev;
-    Chardev *cdrv;
-    char label[32];
-    static int index;
-
-    if (*filename == ':') {
-        filename++;
-    } else if (*filename) {
-        error_report("unrecognized serial USB option %s", filename);
-        return NULL;
-    }
-    if (!*filename) {
-        error_report("character device specification needed");
-        return NULL;
-    }
-
-    snprintf(label, sizeof(label), "usbserial%d", index++);
-    cdrv = qemu_chr_new(label, filename);
-    if (!cdrv)
-        return NULL;
-
-    dev = usb_create(bus, "usb-serial");
-    qdev_prop_set_chr(&dev->qdev, "chardev", cdrv);
-
-    return dev;
-}
-
 static USBDevice *usb_braille_init(USBBus *bus, const char *unused)
 {
     USBDevice *dev;
@@ -624,7 +595,6 @@ static void usb_serial_register_types(void)
 {
     type_register_static(&usb_serial_dev_type_info);
     type_register_static(&serial_info);
-    usb_legacy_register("usb-serial", "serial", usb_serial_init);
     type_register_static(&braille_info);
     usb_legacy_register("usb-braille", "braille", usb_braille_init);
 }
diff --git a/hw/usb/dev-smartcard-reader.c b/hw/usb/dev-smartcard-reader.c
index e334d3be11c4d622fe01b1270d100e670397c808..e6468057a05326eef9d7ab307c96af9a308a960b 100644
--- a/hw/usb/dev-smartcard-reader.c
+++ b/hw/usb/dev-smartcard-reader.c
@@ -500,26 +500,6 @@ static void ccid_card_apdu_from_guest(CCIDCardState *card,
     }
 }
 
-static void ccid_card_exitfn(CCIDCardState *card)
-{
-    CCIDCardClass *cc = CCID_CARD_GET_CLASS(card);
-
-    if (cc->exitfn) {
-        cc->exitfn(card);
-    }
-
-}
-
-static int ccid_card_initfn(CCIDCardState *card)
-{
-    CCIDCardClass *cc = CCID_CARD_GET_CLASS(card);
-
-    if (cc->initfn) {
-        return cc->initfn(card);
-    }
-    return 0;
-}
-
 static bool ccid_has_pending_answers(USBCCIDState *s)
 {
     return s->pending_answers_num > 0;
@@ -1281,41 +1261,52 @@ void ccid_card_card_inserted(CCIDCardState *card)
     ccid_on_slot_change(s, true);
 }
 
-static int ccid_card_exit(DeviceState *qdev)
+static void ccid_card_unrealize(DeviceState *qdev, Error **errp)
 {
     CCIDCardState *card = CCID_CARD(qdev);
+    CCIDCardClass *cc = CCID_CARD_GET_CLASS(card);
     USBDevice *dev = USB_DEVICE(qdev->parent_bus->parent);
     USBCCIDState *s = USB_CCID_DEV(dev);
+    Error *local_err = NULL;
 
     if (ccid_card_inserted(s)) {
         ccid_card_card_removed(card);
     }
-    ccid_card_exitfn(card);
+    if (cc->unrealize) {
+        cc->unrealize(card, &local_err);
+        if (local_err != NULL) {
+            error_propagate(errp, local_err);
+            return;
+        }
+    }
     s->card = NULL;
-    return 0;
 }
 
-static int ccid_card_init(DeviceState *qdev)
+static void ccid_card_realize(DeviceState *qdev, Error **errp)
 {
     CCIDCardState *card = CCID_CARD(qdev);
+    CCIDCardClass *cc = CCID_CARD_GET_CLASS(card);
     USBDevice *dev = USB_DEVICE(qdev->parent_bus->parent);
     USBCCIDState *s = USB_CCID_DEV(dev);
-    int ret = 0;
+    Error *local_err = NULL;
 
     if (card->slot != 0) {
-        warn_report("usb-ccid supports one slot, can't add %d",
-                    card->slot);
-        return -1;
+        error_setg(errp, "usb-ccid supports one slot, can't add %d",
+                   card->slot);
+        return;
     }
     if (s->card != NULL) {
-        warn_report("usb-ccid card already full, not adding");
-        return -1;
+        error_setg(errp, "usb-ccid card already full, not adding");
+        return;
     }
-    ret = ccid_card_initfn(card);
-    if (ret == 0) {
-        s->card = card;
+    if (cc->realize) {
+        cc->realize(card, &local_err);
+        if (local_err != NULL) {
+            error_propagate(errp, local_err);
+            return;
+        }
     }
-    return ret;
+    s->card = card;
 }
 
 static void ccid_realize(USBDevice *dev, Error **errp)
@@ -1477,8 +1468,8 @@ static void ccid_card_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *k = DEVICE_CLASS(klass);
     k->bus_type = TYPE_CCID_BUS;
-    k->init = ccid_card_init;
-    k->exit = ccid_card_exit;
+    k->realize = ccid_card_realize;
+    k->unrealize = ccid_card_unrealize;
     k->props = ccid_props;
 }
 
diff --git a/hw/usb/dev-storage.c b/hw/usb/dev-storage.c
index 9722ac854c5de875e1548dfba632a08be937734d..b56c75a73a0d46590ca2bb0e368932272fa2e36b 100644
--- a/hw/usb/dev-storage.c
+++ b/hw/usb/dev-storage.c
@@ -633,7 +633,8 @@ static void usb_msd_storage_realize(USBDevice *dev, Error **errp)
     scsi_bus_new(&s->bus, sizeof(s->bus), DEVICE(dev),
                  &usb_msd_scsi_info_storage, NULL);
     scsi_dev = scsi_bus_legacy_add_drive(&s->bus, blk, 0, !!s->removable,
-                                         s->conf.bootindex, dev->serial,
+                                         s->conf.bootindex, s->conf.share_rw,
+                                         dev->serial,
                                          errp);
     blk_unref(blk);
     if (!scsi_dev) {
@@ -666,63 +667,6 @@ static void usb_msd_bot_realize(USBDevice *dev, Error **errp)
     usb_msd_handle_reset(dev);
 }
 
-static USBDevice *usb_msd_init(USBBus *bus, const char *filename)
-{
-    static int nr=0;
-    Error *err = NULL;
-    char id[8];
-    QemuOpts *opts;
-    DriveInfo *dinfo;
-    USBDevice *dev;
-    const char *p1;
-    char fmt[32];
-
-    /* parse -usbdevice disk: syntax into drive opts */
-    do {
-        snprintf(id, sizeof(id), "usb%d", nr++);
-        opts = qemu_opts_create(qemu_find_opts("drive"), id, 1, NULL);
-    } while (!opts);
-
-    p1 = strchr(filename, ':');
-    if (p1++) {
-        const char *p2;
-
-        if (strstart(filename, "format=", &p2)) {
-            int len = MIN(p1 - p2, sizeof(fmt));
-            pstrcpy(fmt, len, p2);
-            qemu_opt_set(opts, "format", fmt, &error_abort);
-        } else if (*filename != ':') {
-            error_report("unrecognized USB mass-storage option %s", filename);
-            return NULL;
-        }
-        filename = p1;
-    }
-    if (!*filename) {
-        error_report("block device specification needed");
-        return NULL;
-    }
-    qemu_opt_set(opts, "file", filename, &error_abort);
-    qemu_opt_set(opts, "if", "none", &error_abort);
-
-    /* create host drive */
-    dinfo = drive_new(opts, 0);
-    if (!dinfo) {
-        qemu_opts_del(opts);
-        return NULL;
-    }
-
-    /* create guest device */
-    dev = usb_create(bus, "usb-storage");
-    qdev_prop_set_drive(&dev->qdev, "drive", blk_by_legacy_dinfo(dinfo),
-                        &err);
-    if (err) {
-        error_report_err(err);
-        object_unparent(OBJECT(dev));
-        return NULL;
-    }
-    return dev;
-}
-
 static const VMStateDescription vmstate_usb_msd = {
     .name = "usb-storage",
     .version_id = 1,
@@ -855,7 +799,6 @@ static void usb_msd_register_types(void)
     type_register_static(&usb_storage_dev_type_info);
     type_register_static(&msd_info);
     type_register_static(&bot_info);
-    usb_legacy_register("usb-storage", "disk", usb_msd_init);
 }
 
 type_init(usb_msd_register_types)
diff --git a/hw/usb/host-legacy.c b/hw/usb/host-legacy.c
deleted file mode 100644
index 3b57e21b52b4c7bf7c7c8b3b73b665f36bc11022..0000000000000000000000000000000000000000
--- a/hw/usb/host-legacy.c
+++ /dev/null
@@ -1,144 +0,0 @@
-/*
- * 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/osdep.h"
-#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);
-    return dev;
-
-fail:
-    object_unparent(OBJECT(dev));
-    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-stub.c b/hw/usb/host-stub.c
index d0268baaa0b2cf61d6109e64057f92675ecc6744..41d93ec8a01e3eb543c5e62dfe806d4b0416fec3 100644
--- a/hw/usb/host-stub.c
+++ b/hw/usb/host-stub.c
@@ -41,12 +41,6 @@ void hmp_info_usbhost(Monitor *mon, const QDict *qdict)
     monitor_printf(mon, "USB host devices not supported\n");
 }
 
-/* XXX: modify configure to compile the right host driver */
-USBDevice *usb_host_device_open(USBBus *bus, const char *devname)
-{
-    return NULL;
-}
-
 bool usb_host_dev_is_scsi_storage(USBDevice *ud)
 {
     return false;
diff --git a/include/hw/scsi/scsi.h b/include/hw/scsi/scsi.h
index 23a8ee6a7da2356401898687cb3a976abee4eadc..802a647cdcbbad9a6778c80ed2247b88efa1fa24 100644
--- a/include/hw/scsi/scsi.h
+++ b/include/hw/scsi/scsi.h
@@ -151,6 +151,7 @@ static inline SCSIBus *scsi_bus_from_device(SCSIDevice *d)
 
 SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, BlockBackend *blk,
                                       int unit, bool removable, int bootindex,
+                                      bool share_rw,
                                       const char *serial, Error **errp);
 void scsi_bus_legacy_handle_cmdline(SCSIBus *bus, bool deprecated);
 void scsi_legacy_handle_cmdline(void);
diff --git a/include/hw/usb.h b/include/hw/usb.h
index 9dd9c6f0d90552472e4e12b601e56f679e7888b7..a5080adecc3e1adb2ea255e2b5f6060861fc5464 100644
--- a/include/hw/usb.h
+++ b/include/hw/usb.h
@@ -466,7 +466,6 @@ void usb_wakeup(USBEndpoint *ep, unsigned int stream);
 void usb_generic_async_ctrl_complete(USBDevice *s, USBPacket *p);
 
 /* usb-linux.c */
-USBDevice *usb_host_device_open(USBBus *bus, const char *devname);
 void hmp_info_usbhost(Monitor *mon, const QDict *qdict);
 bool usb_host_dev_is_scsi_storage(USBDevice *usbdev);
 
diff --git a/qemu-options.hx b/qemu-options.hx
index 5ff741a4af4f8ee00bff3be2ca92f77951f5469e..1d73fb151d8743cd673def625df59607859c3659 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -1221,29 +1221,10 @@ Pointer device that uses absolute coordinates (like a touchscreen). This
 means QEMU is able to report the mouse position without having to grab the
 mouse. Also overrides the PS/2 mouse emulation when activated.
 
-@item disk:[format=@var{format}]:@var{file}
-Mass storage device based on file. The optional @var{format} argument
-will be used rather than detecting the format. Can be used to specify
-@code{format=raw} to avoid interpreting an untrusted format header.
-
-@item host:@var{bus}.@var{addr}
-Pass through the host device identified by @var{bus}.@var{addr} (Linux only).
-
-@item host:@var{vendor_id}:@var{product_id}
-Pass through the host device identified by @var{vendor_id}:@var{product_id}
-(Linux only).
-
-@item serial:[vendorid=@var{vendor_id}][,productid=@var{product_id}]:@var{dev}
-Serial converter to host character device @var{dev}, see @code{-serial} for the
-available devices.
-
 @item braille
 Braille device.  This will use BrlAPI to display the braille output on a real
 or fake device.
 
-@item net:@var{options}
-Network adapter that supports CDC ethernet and RNDIS protocols.
-
 @end table
 ETEXI
 
diff --git a/vl.c b/vl.c
index 6ab232095c7eeaad637b8c18635a5d451f9144e6..e517a8d99535dfb2453724a892c3d0dce7f5eb4c 100644
--- a/vl.c
+++ b/vl.c
@@ -1451,30 +1451,15 @@ static void igd_gfx_passthru(void)
 static int usb_device_add(const char *devname)
 {
     USBDevice *dev = NULL;
-#ifndef CONFIG_LINUX
-    const char *p;
-#endif
 
     if (!machine_usb(current_machine)) {
         return -1;
     }
 
-    /* drivers with .usbdevice_name entry in USBDeviceInfo */
     dev = usbdevice_create(devname);
-    if (dev)
-        goto done;
-
-    /* the other ones */
-#ifndef CONFIG_LINUX
-    /* only the linux version is qdev-ified, usb-bsd still needs this */
-    if (strstart(devname, "host:", &p)) {
-        dev = usb_host_device_open(usb_bus_find(-1), p);
-    }
-#endif
     if (!dev)
         return -1;
 
-done:
     return 0;
 }