freebsd-dev/sys/dev/usb/usb_debug.c
2009-02-23 18:31:00 +00:00

153 lines
4.8 KiB
C

/* $FreeBSD$ */
/*-
* Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <dev/usb/usb.h>
#include <dev/usb/usb_defs.h>
#include <dev/usb/usb_core.h>
#include <dev/usb/usb_debug.h>
#include <dev/usb/usb_process.h>
#include <dev/usb/usb_device.h>
#include <dev/usb/usb_busdma.h>
#include <dev/usb/usb_transfer.h>
/*
* Define this unconditionally in case a kernel module is loaded that
* has been compiled with debugging options.
*/
int usb2_debug = 0;
SYSCTL_NODE(_hw, OID_AUTO, usb2, CTLFLAG_RW, 0, "USB debugging");
SYSCTL_INT(_hw_usb2, OID_AUTO, debug, CTLFLAG_RW,
&usb2_debug, 0, "Debug level");
/*------------------------------------------------------------------------*
* usb2_dump_iface
*
* This function dumps information about an USB interface.
*------------------------------------------------------------------------*/
void
usb2_dump_iface(struct usb2_interface *iface)
{
printf("usb2_dump_iface: iface=%p\n", iface);
if (iface == NULL) {
return;
}
printf(" iface=%p idesc=%p altindex=%d\n",
iface, iface->idesc, iface->alt_index);
}
/*------------------------------------------------------------------------*
* usb2_dump_device
*
* This function dumps information about an USB device.
*------------------------------------------------------------------------*/
void
usb2_dump_device(struct usb2_device *udev)
{
printf("usb2_dump_device: dev=%p\n", udev);
if (udev == NULL) {
return;
}
printf(" bus=%p \n"
" address=%d config=%d depth=%d speed=%d self_powered=%d\n"
" power=%d langid=%d\n",
udev->bus,
udev->address, udev->curr_config_no, udev->depth, udev->speed,
udev->flags.self_powered, udev->power, udev->langid);
}
/*------------------------------------------------------------------------*
* usb2_dump_queue
*
* This function dumps the USB transfer that are queued up on an USB pipe.
*------------------------------------------------------------------------*/
void
usb2_dump_queue(struct usb2_pipe *pipe)
{
struct usb2_xfer *xfer;
printf("usb2_dump_queue: pipe=%p xfer: ", pipe);
TAILQ_FOREACH(xfer, &pipe->pipe_q.head, wait_entry) {
printf(" %p", xfer);
}
printf("\n");
}
/*------------------------------------------------------------------------*
* usb2_dump_pipe
*
* This function dumps information about an USB pipe.
*------------------------------------------------------------------------*/
void
usb2_dump_pipe(struct usb2_pipe *pipe)
{
if (pipe) {
printf("usb2_dump_pipe: pipe=%p", pipe);
printf(" edesc=%p isoc_next=%d toggle_next=%d",
pipe->edesc, pipe->isoc_next, pipe->toggle_next);
if (pipe->edesc) {
printf(" bEndpointAddress=0x%02x",
pipe->edesc->bEndpointAddress);
}
printf("\n");
usb2_dump_queue(pipe);
} else {
printf("usb2_dump_pipe: pipe=NULL\n");
}
}
/*------------------------------------------------------------------------*
* usb2_dump_xfer
*
* This function dumps information about an USB transfer.
*------------------------------------------------------------------------*/
void
usb2_dump_xfer(struct usb2_xfer *xfer)
{
struct usb2_device *udev;
printf("usb2_dump_xfer: xfer=%p\n", xfer);
if (xfer == NULL) {
return;
}
if (xfer->pipe == NULL) {
printf("xfer %p: pipe=NULL\n",
xfer);
return;
}
udev = xfer->xroot->udev;
printf("xfer %p: udev=%p vid=0x%04x pid=0x%04x addr=%d "
"pipe=%p ep=0x%02x attr=0x%02x\n",
xfer, udev,
UGETW(udev->ddesc.idVendor),
UGETW(udev->ddesc.idProduct),
udev->address, xfer->pipe,
xfer->pipe->edesc->bEndpointAddress,
xfer->pipe->edesc->bmAttributes);
}