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authorGerd Hoffmann <kraxel@redhat.com>2013-06-12 13:01:49 +0200
committerGerd Hoffmann <kraxel@redhat.com>2013-06-24 08:41:07 +0200
commit71938a09d2b9fd4007515fec6c395916cb08f868 (patch)
tree94eb7456d3f842d2dd7ee3edf191249b149b0bce /hw/usb
parent628e54857a82a3cb65ef96c12640c30d6307a064 (diff)
usb: add serial bus property
This patch adds a serial property for all usb devices, which can be used to set the serial number of a usb device (as listed by lsusb -v) to a specific value. Applies to emulated devices only. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw/usb')
-rw-r--r--hw/usb/bus.c1
-rw-r--r--hw/usb/desc.c6
-rw-r--r--hw/usb/dev-hid.c3
-rw-r--r--hw/usb/dev-storage.c13
4 files changed, 13 insertions, 10 deletions
diff --git a/hw/usb/bus.c b/hw/usb/bus.c
index d1827be101..f83d1de6cd 100644
--- a/hw/usb/bus.c
+++ b/hw/usb/bus.c
@@ -13,6 +13,7 @@ static int usb_qdev_exit(DeviceState *qdev);
static Property usb_props[] = {
DEFINE_PROP_STRING("port", USBDevice, port_path),
+ DEFINE_PROP_STRING("serial", USBDevice, serial),
DEFINE_PROP_BIT("full-path", USBDevice, flags,
USB_DEV_FLAG_FULL_PATH, true),
DEFINE_PROP_END_OF_LIST()
diff --git a/hw/usb/desc.c b/hw/usb/desc.c
index fce303e9c8..bf6c522682 100644
--- a/hw/usb/desc.c
+++ b/hw/usb/desc.c
@@ -566,6 +566,12 @@ void usb_desc_create_serial(USBDevice *dev)
char *path;
int dst;
+ if (dev->serial) {
+ /* 'serial' usb bus property has priority if present */
+ usb_desc_set_string(dev, index, dev->serial);
+ return;
+ }
+
assert(index != 0 && desc->str[index] != NULL);
dst = snprintf(serial, sizeof(serial), "%s", desc->str[index]);
path = qdev_get_dev_path(hcd);
diff --git a/hw/usb/dev-hid.c b/hw/usb/dev-hid.c
index b48899d500..31f3cdef42 100644
--- a/hw/usb/dev-hid.c
+++ b/hw/usb/dev-hid.c
@@ -560,6 +560,9 @@ static int usb_hid_initfn(USBDevice *dev, int kind)
{
USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev);
+ if (dev->serial) {
+ usb_desc_set_string(dev, STR_SERIALNUMBER, dev->serial);
+ }
usb_desc_init(dev);
us->intr = usb_ep_get(dev, USB_TOKEN_IN, 1);
hid_init(&us->hid, kind, usb_hid_changed);
diff --git a/hw/usb/dev-storage.c b/hw/usb/dev-storage.c
index 1073901af1..fe914ab005 100644
--- a/hw/usb/dev-storage.c
+++ b/hw/usb/dev-storage.c
@@ -58,7 +58,6 @@ typedef struct {
USBPacket *packet;
/* usb-storage only */
BlockConf conf;
- char *serial;
uint32_t removable;
} MSDState;
@@ -602,7 +601,7 @@ static int usb_msd_initfn_storage(USBDevice *dev)
return -1;
}
- blkconf_serial(&s->conf, &s->serial);
+ blkconf_serial(&s->conf, &dev->serial);
/*
* Hack alert: this pretends to be a block device, but it's really
@@ -616,16 +615,11 @@ static int usb_msd_initfn_storage(USBDevice *dev)
bdrv_detach_dev(bs, &s->dev.qdev);
s->conf.bs = NULL;
- if (s->serial) {
- usb_desc_set_string(dev, STR_SERIALNUMBER, s->serial);
- } else {
- usb_desc_create_serial(dev);
- }
-
+ usb_desc_create_serial(dev);
usb_desc_init(dev);
scsi_bus_new(&s->bus, &s->dev.qdev, &usb_msd_scsi_info_storage, NULL);
scsi_dev = scsi_bus_legacy_add_drive(&s->bus, bs, 0, !!s->removable,
- s->conf.bootindex, s->serial);
+ s->conf.bootindex, dev->serial);
if (!scsi_dev) {
return -1;
}
@@ -734,7 +728,6 @@ static const VMStateDescription vmstate_usb_msd = {
static Property msd_properties[] = {
DEFINE_BLOCK_PROPERTIES(MSDState, conf),
- DEFINE_PROP_STRING("serial", MSDState, serial),
DEFINE_PROP_BIT("removable", MSDState, removable, 0, false),
DEFINE_PROP_END_OF_LIST(),
};