219
edits
Changes
→Ioctls
Line 103:
Line 103:
+
+
+
Internally, this issues /dev/usb/usb ioctl 2 to get descriptors, loops over all endpoints and calls /dev/usb/usb ioctl 5 if <code>(bmAttributes & 3) == 1</code>. If all ioctls succeed, VEN calls /dev/usb/usb ioctl 0x11 with the device ID, alt setting and bInterfaceNumber (+ other unknown values).
Internally, this issues /dev/usb/usb ioctl 2 to get descriptors, loops over all endpoints and calls /dev/usb/usb ioctl 5 if <code>(bmAttributes & 3) == 1</code>. If all ioctls succeed, VEN calls /dev/usb/usb ioctl 0x11 with the device ID, alt setting and bInterfaceNumber (+ other unknown values).
|-
|-
−| 8 || ? || 0x20 || None
+| 8 || ?
+| 0x20 bytes
+1-2: Device index<br>
+2-4: Device number
+| None
| calls /dev/usb/usb ioctl 3
| calls /dev/usb/usb ioctl 3
|-
|-
−| 0x10 || SuspendResume || 0x20 || None
+| 0x10 || SuspendResume
−| calls /dev/usb/usb ioctl 4
+| 0x20 bytes
+1-2: Device index<br>
+2-4: Device number<br>
+4-8: Unknown1 (passed to /dev/usb/usb ioctl 4)<br>
+11-12: Unknown2 (must match internal device struct offset 0x1d)
+| None
+| Unknown.
+Calls /dev/usb/usb ioctl 4. If the call was successful, sets <code>device->x1d</code> to Unknown1.
|-
|-
| 0x11 || CancelEndpoint || 0x20 || None
| 0x11 || CancelEndpoint || 0x20 || None