1 /* $FreeBSD: head/sys/dev/usb/usb_error.c 246122 2013-01-30 15:26:04Z hselasky $ */
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 <sys/stdint.h>
28 #include <sys/param.h>
29 #include <sys/queue.h>
30 #include <sys/types.h>
31 #include <sys/systm.h>
32 #include <sys/kernel.h>
33 #include <sys/bus.h>
34 #include <sys/module.h>
35 #include <sys/lock.h>
36 #include <sys/condvar.h>
37 #include <sys/sysctl.h>
38 #include <sys/unistd.h>
39 #include <sys/callout.h>
40 #include <sys/malloc.h>
41 #include <sys/caps.h>
42
43 #include <bus/u4b/usb.h>
44 #include <bus/u4b/usbdi.h>
45
46 static const char* usb_errstr_table[USB_ERR_MAX] = {
47 [USB_ERR_NORMAL_COMPLETION] = "USB_ERR_NORMAL_COMPLETION",
48 [USB_ERR_PENDING_REQUESTS] = "USB_ERR_PENDING_REQUESTS",
49 [USB_ERR_NOT_STARTED] = "USB_ERR_NOT_STARTED",
50 [USB_ERR_INVAL] = "USB_ERR_INVAL",
51 [USB_ERR_NOMEM] = "USB_ERR_NOMEM",
52 [USB_ERR_CANCELLED] = "USB_ERR_CANCELLED",
53 [USB_ERR_BAD_ADDRESS] = "USB_ERR_BAD_ADDRESS",
54 [USB_ERR_BAD_BUFSIZE] = "USB_ERR_BAD_BUFSIZE",
55 [USB_ERR_BAD_FLAG] = "USB_ERR_BAD_FLAG",
56 [USB_ERR_NO_CALLBACK] = "USB_ERR_NO_CALLBACK",
57 [USB_ERR_IN_USE] = "USB_ERR_IN_USE",
58 [USB_ERR_NO_ADDR] = "USB_ERR_NO_ADDR",
59 [USB_ERR_NO_PIPE] = "USB_ERR_NO_PIPE",
60 [USB_ERR_ZERO_NFRAMES] = "USB_ERR_ZERO_NFRAMES",
61 [USB_ERR_ZERO_MAXP] = "USB_ERR_ZERO_MAXP",
62 [USB_ERR_SET_ADDR_FAILED] = "USB_ERR_SET_ADDR_FAILED",
63 [USB_ERR_NO_POWER] = "USB_ERR_NO_POWER",
64 [USB_ERR_TOO_DEEP] = "USB_ERR_TOO_DEEP",
65 [USB_ERR_IOERROR] = "USB_ERR_IOERROR",
66 [USB_ERR_NOT_CONFIGURED] = "USB_ERR_NOT_CONFIGURED",
67 [USB_ERR_TIMEOUT] = "USB_ERR_TIMEOUT",
68 [USB_ERR_SHORT_XFER] = "USB_ERR_SHORT_XFER",
69 [USB_ERR_STALLED] = "USB_ERR_STALLED",
70 [USB_ERR_INTERRUPTED] = "USB_ERR_INTERRUPTED",
71 [USB_ERR_DMA_LOAD_FAILED] = "USB_ERR_DMA_LOAD_FAILED",
72 [USB_ERR_BAD_CONTEXT] = "USB_ERR_BAD_CONTEXT",
73 [USB_ERR_NO_ROOT_HUB] = "USB_ERR_NO_ROOT_HUB",
74 [USB_ERR_NO_INTR_THREAD] = "USB_ERR_NO_INTR_THREAD",
75 [USB_ERR_NOT_LOCKED] = "USB_ERR_NOT_LOCKED",
76 };
77
78 /*------------------------------------------------------------------------*
79 * usbd_errstr
80 *
81 * This function converts an USB error code into a string.
82 *------------------------------------------------------------------------*/
83 const char *
usbd_errstr(usb_error_t err)84 usbd_errstr(usb_error_t err)
85 {
86 return (err < USB_ERR_MAX ? usb_errstr_table[err] : "USB_ERR_UNKNOWN");
87 }
88