usb: Pass the packet to the device's handle_control callback

This allows using the generic usb_generic_handle_packet function from
device code which does ASYNC control requests (such as the linux host
pass through code).
Signed-off-by: NHans de Goede <hdegoede@redhat.com>

hw/bt-hid.c

@@ -323,7 +323,7 @@ static void bt_hid_control_transaction(struct bt_hid_device_s *s,
             break;
         }
         s->proto = parameter;
-        s->usbdev->info->handle_control(s->usbdev, SET_PROTOCOL, s->proto, 0, 0,
+        s->usbdev->info->handle_control(s->usbdev, NULL, SET_PROTOCOL, s->proto, 0, 0,
                                         NULL);
         ret = BT_HS_SUCCESSFUL;
         break;
@@ -333,7 +333,7 @@ static void bt_hid_control_transaction(struct bt_hid_device_s *s,
             ret = BT_HS_ERR_INVALID_PARAMETER;
             break;
         }
-        s->usbdev->info->handle_control(s->usbdev, GET_IDLE, 0, 0, 1,
+        s->usbdev->info->handle_control(s->usbdev, NULL, GET_IDLE, 0, 0, 1,
                         s->control->sdu_out(s->control, 1));
         s->control->sdu_submit(s->control);
         break;
@@ -346,7 +346,7 @@ static void bt_hid_control_transaction(struct bt_hid_device_s *s,
 
         /* We don't need to know about the Idle Rate here really,
          * so just pass it on to the device.  */
-        ret = s->usbdev->info->handle_control(s->usbdev,
+        ret = s->usbdev->info->handle_control(s->usbdev, NULL,
                         SET_IDLE, data[1], 0, 0, NULL) ?
                 BT_HS_SUCCESSFUL : BT_HS_ERR_INVALID_PARAMETER;
         /* XXX: Does this generate a handshake? */

hw/usb-bt.c

@@ -372,13 +372,13 @@ static void usb_bt_handle_reset(USBDevice *dev)
     s->altsetting = 0;
 }
 
-static int usb_bt_handle_control(USBDevice *dev, int request, int value,
-                int index, int length, uint8_t *data)
+static int usb_bt_handle_control(USBDevice *dev, USBPacket *p,
+               int request, int value, int index, int length, uint8_t *data)
 {
     struct USBBtState *s = (struct USBBtState *) dev->opaque;
     int ret;
 
-    ret = usb_desc_handle_control(dev, request, value, index, length, data);
+    ret = usb_desc_handle_control(dev, p, request, value, index, length, data);
     if (ret >= 0) {
         switch (request) {
         case DeviceRequest | USB_REQ_GET_CONFIGURATION:

hw/usb-ccid.c

@@ -602,8 +602,8 @@ static void ccid_handle_reset(USBDevice *dev)
     ccid_reset(s);
 }
 
-static int ccid_handle_control(USBDevice *dev, int request, int value,
-                                  int index, int length, uint8_t *data)
+static int ccid_handle_control(USBDevice *dev, USBPacket *p, int request,
+                               int value, int index, int length, uint8_t *data)
 {
     USBCCIDState *s = DO_UPCAST(USBCCIDState, dev, dev);
     int ret = 0;

hw/usb-desc.c

@@ -390,8 +390,8 @@ int usb_desc_get_descriptor(USBDevice *dev, int value, uint8_t *dest, size_t len
     return ret;
 }
 
-int usb_desc_handle_control(USBDevice *dev, int request, int value,
-                            int index, int length, uint8_t *data)
+int usb_desc_handle_control(USBDevice *dev, USBPacket *p,
+        int request, int value, int index, int length, uint8_t *data)
 {
     const USBDesc *desc = dev->info->usb_desc;
     int i, ret = -1;

hw/usb-desc.h

@@ -106,7 +106,7 @@ void usb_desc_set_string(USBDevice *dev, uint8_t index, const char *str);
 const char *usb_desc_get_string(USBDevice *dev, uint8_t index);
 int usb_desc_string(USBDevice *dev, int index, uint8_t *dest, size_t len);
 int usb_desc_get_descriptor(USBDevice *dev, int value, uint8_t *dest, size_t len);
-int usb_desc_handle_control(USBDevice *dev, int request, int value,
-                            int index, int length, uint8_t *data);
+int usb_desc_handle_control(USBDevice *dev, USBPacket *p,
+        int request, int value, int index, int length, uint8_t *data);
 
 #endif /* QEMU_HW_USB_DESC_H */

hw/usb-hid.c

@@ -727,13 +727,13 @@ static void usb_hid_set_next_idle(USBHIDState *s, int64_t curtime)
     s->next_idle_clock = curtime + (get_ticks_per_sec() * s->idle * 4) / 1000;
 }
 
-static int usb_hid_handle_control(USBDevice *dev, int request, int value,
-                                  int index, int length, uint8_t *data)
+static int usb_hid_handle_control(USBDevice *dev, USBPacket *p,
+               int request, int value, int index, int length, uint8_t *data)
 {
     USBHIDState *s = (USBHIDState *)dev;
     int ret;
 
-    ret = usb_desc_handle_control(dev, request, value, index, length, data);
+    ret = usb_desc_handle_control(dev, p, request, value, index, length, data);
     if (ret >= 0) {
         return ret;
     }

hw/usb-hub.c

@@ -285,13 +285,13 @@ static void usb_hub_handle_reset(USBDevice *dev)
     /* XXX: do it */
 }
 
-static int usb_hub_handle_control(USBDevice *dev, int request, int value,
-                                  int index, int length, uint8_t *data)
+static int usb_hub_handle_control(USBDevice *dev, USBPacket *p,
+               int request, int value, int index, int length, uint8_t *data)
 {
     USBHubState *s = (USBHubState *)dev;
     int ret;
 
-    ret = usb_desc_handle_control(dev, request, value, index, length, data);
+    ret = usb_desc_handle_control(dev, p, request, value, index, length, data);
     if (ret >= 0) {
         return ret;
     }

hw/usb-msd.c

@@ -272,13 +272,13 @@ static void usb_msd_handle_reset(USBDevice *dev)
     s->mode = USB_MSDM_CBW;
 }
 
-static int usb_msd_handle_control(USBDevice *dev, int request, int value,
-                                  int index, int length, uint8_t *data)
+static int usb_msd_handle_control(USBDevice *dev, USBPacket *p,
+               int request, int value, int index, int length, uint8_t *data)
 {
     MSDState *s = (MSDState *)dev;
     int ret;
 
-    ret = usb_desc_handle_control(dev, request, value, index, length, data);
+    ret = usb_desc_handle_control(dev, p, request, value, index, length, data);
     if (ret >= 0) {
         return ret;
     }

hw/usb-net.c

@@ -1042,13 +1042,13 @@ static void usb_net_handle_reset(USBDevice *dev)
 {
 }
 
-static int usb_net_handle_control(USBDevice *dev, int request, int value,
-                int index, int length, uint8_t *data)
+static int usb_net_handle_control(USBDevice *dev, USBPacket *p,
+               int request, int value, int index, int length, uint8_t *data)
 {
     USBNetState *s = (USBNetState *) dev;
     int ret;
 
-    ret = usb_desc_handle_control(dev, request, value, index, length, data);
+    ret = usb_desc_handle_control(dev, p, request, value, index, length, data);
     if (ret >= 0) {
         return ret;
     }

hw/usb-serial.c

@@ -219,14 +219,14 @@ static uint8_t usb_get_modem_lines(USBSerialState *s)
     return ret;
 }
 
-static int usb_serial_handle_control(USBDevice *dev, int request, int value,
-                                  int index, int length, uint8_t *data)
+static int usb_serial_handle_control(USBDevice *dev, USBPacket *p,
+               int request, int value, int index, int length, uint8_t *data)
 {
     USBSerialState *s = (USBSerialState *)dev;
     int ret;
 
     DPRINTF("got control %x, value %x\n",request, value);
-    ret = usb_desc_handle_control(dev, request, value, index, length, data);
+    ret = usb_desc_handle_control(dev, p, request, value, index, length, data);
     if (ret >= 0) {
         return ret;
     }

hw/usb-wacom.c

@@ -250,13 +250,13 @@ static void usb_wacom_handle_reset(USBDevice *dev)
     s->mode = WACOM_MODE_HID;
 }
 
-static int usb_wacom_handle_control(USBDevice *dev, int request, int value,
-                                    int index, int length, uint8_t *data)
+static int usb_wacom_handle_control(USBDevice *dev, USBPacket *p,
+               int request, int value, int index, int length, uint8_t *data)
 {
     USBWacomState *s = (USBWacomState *) dev;
     int ret;
 
-    ret = usb_desc_handle_control(dev, request, value, index, length, data);
+    ret = usb_desc_handle_control(dev, p, request, value, index, length, data);
     if (ret >= 0) {
         return ret;
     }

hw/usb.c

@@ -84,7 +84,7 @@ static int do_token_setup(USBDevice *s, USBPacket *p)
     index   = (s->setup_buf[5] << 8) | s->setup_buf[4];
 
     if (s->setup_buf[0] & USB_DIR_IN) {
-        ret = s->info->handle_control(s, request, value, index, 
+        ret = s->info->handle_control(s, p, request, value, index,
                                       s->setup_len, s->data_buf);
         if (ret < 0)
             return ret;
@@ -123,9 +123,12 @@ static int do_token_in(USBDevice *s, USBPacket *p)
     switch(s->setup_state) {
     case SETUP_STATE_ACK:
         if (!(s->setup_buf[0] & USB_DIR_IN)) {
-            s->setup_state = SETUP_STATE_IDLE;
-            ret = s->info->handle_control(s, request, value, index,
+            ret = s->info->handle_control(s, p, request, value, index,
                                           s->setup_len, s->data_buf);
+            if (ret == USB_RET_ASYNC) {
+                return USB_RET_ASYNC;
+            }
+            s->setup_state = SETUP_STATE_IDLE;
             if (ret > 0)
                 return 0;
             return ret;

hw/usb.h

@@ -214,7 +214,7 @@ struct USBDeviceInfo {
      *
      * Returns length or one of the USB_RET_ codes.
      */
-    int (*handle_control)(USBDevice *dev, int request, int value,
+    int (*handle_control)(USBDevice *dev, USBPacket *p, int request, int value,
                           int index, int length, uint8_t *data);
 
     /*

usb-bsd.c

@@ -126,6 +126,7 @@ static void usb_host_handle_reset(USBDevice *dev)
  *  and return appropriate response
  */
 static int usb_host_handle_control(USBDevice *dev,
+                                   USBPacket *p,
                                    int request,
                                    int value,
                                    int index,