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usb core: use qdev for -usbdevice

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This patchs adds infrastructure to handle -usbdevice via qdev callbacks.
USBDeviceInfo gets a name field (for the -usbdevice driver name) and a
callback for -usbdevice parameter parsing.

The new usbdevice_create() function walks the qdev driver list and looks
for a usb driver with a matching name.  When a parameter parsing
callback is present it is called, otherwise the device is created via
usb_create_simple().

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Gerd Hoffmann 2009-10-26 15:56:45 +01:00 • committed by Anthony Liguori
parent 51edd4e6b5
commit 0958b4cc8f
5 changed files with 59 additions and 1 deletions
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5
hw/usb.h
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@ -183,6 +183,10 @@ struct USBDeviceInfo {
* Returns length or one of the USB_RET_ codes.
*/
int (*handle_data)(USBDevice *dev, USBPacket *p);
/* handle legacy -usbdevice command line options */
const char *usbdevice_name;
USBDevice *(*usbdevice_init)(const char *params);
};
typedef void (*usb_attachfn)(USBPort *port, USBDevice *dev);
@ -309,6 +313,7 @@ void usb_qdev_register(USBDeviceInfo *info);
void usb_qdev_register_many(USBDeviceInfo *info);
USBDevice *usb_create(USBBus *bus, const char *name);
USBDevice *usb_create_simple(USBBus *bus, const char *name);
USBDevice *usbdevice_create(const char *cmdline);
void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index,
usb_attachfn attach);
void usb_unregister_port(USBBus *bus, USBPort *port);