usb_error.c revision 188942 
1/* $FreeBSD: head/sys/dev/usb/usb_error.c 188942 2009-02-23 18:31:00Z thompsa $ */
2/*-
3 * Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <dev/usb/usb_mfunc.h>
28#include <dev/usb/usb_error.h>
29
30#include <dev/usb/usb_core.h>
31
32static const char* usb_errstr_table[USB_ERR_MAX] = {
33	[USB_ERR_NORMAL_COMPLETION]	= "USB_ERR_NORMAL_COMPLETION",
34	[USB_ERR_PENDING_REQUESTS]	= "USB_ERR_PENDING_REQUESTS",
35	[USB_ERR_NOT_STARTED]		= "USB_ERR_NOT_STARTED",
36	[USB_ERR_INVAL]			= "USB_ERR_INVAL",
37	[USB_ERR_NOMEM]			= "USB_ERR_NOMEM",
38	[USB_ERR_CANCELLED]		= "USB_ERR_CANCELLED",
39	[USB_ERR_BAD_ADDRESS]		= "USB_ERR_BAD_ADDRESS",
40	[USB_ERR_BAD_BUFSIZE]		= "USB_ERR_BAD_BUFSIZE",
41	[USB_ERR_BAD_FLAG]		= "USB_ERR_BAD_FLAG",
42	[USB_ERR_NO_CALLBACK]		= "USB_ERR_NO_CALLBACK",
43	[USB_ERR_IN_USE]		= "USB_ERR_IN_USE",
44	[USB_ERR_NO_ADDR]		= "USB_ERR_NO_ADDR",
45	[USB_ERR_NO_PIPE]		= "USB_ERR_NO_PIPE",
46	[USB_ERR_ZERO_NFRAMES]		= "USB_ERR_ZERO_NFRAMES",
47	[USB_ERR_ZERO_MAXP]		= "USB_ERR_ZERO_MAXP",
48	[USB_ERR_SET_ADDR_FAILED]	= "USB_ERR_SET_ADDR_FAILED",
49	[USB_ERR_NO_POWER]		= "USB_ERR_NO_POWER",
50	[USB_ERR_TOO_DEEP]		= "USB_ERR_TOO_DEEP",
51	[USB_ERR_IOERROR]		= "USB_ERR_IOERROR",
52	[USB_ERR_NOT_CONFIGURED]	= "USB_ERR_NOT_CONFIGURED",
53	[USB_ERR_TIMEOUT]		= "USB_ERR_TIMEOUT",
54	[USB_ERR_SHORT_XFER]		= "USB_ERR_SHORT_XFER",
55	[USB_ERR_STALLED]		= "USB_ERR_STALLED",
56	[USB_ERR_INTERRUPTED]		= "USB_ERR_INTERRUPTED",
57	[USB_ERR_DMA_LOAD_FAILED]	= "USB_ERR_DMA_LOAD_FAILED",
58	[USB_ERR_BAD_CONTEXT]		= "USB_ERR_BAD_CONTEXT",
59	[USB_ERR_NO_ROOT_HUB]		= "USB_ERR_NO_ROOT_HUB",
60	[USB_ERR_NO_INTR_THREAD]	= "USB_ERR_NO_INTR_THREAD",
61	[USB_ERR_NOT_LOCKED]		= "USB_ERR_NOT_LOCKED",
62};
63
64/*------------------------------------------------------------------------*
65 *	usb2_errstr
66 *
67 * This function converts an USB error code into a string.
68 *------------------------------------------------------------------------*/
69const char *
70usb2_errstr(usb2_error_t err)
71{
72	return (err < USB_ERR_MAX ? usb_errstr_table[err] : "USB_ERR_UNKNOWN");
73}
74