sys/bus/u4b/usb_error.c

   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/mutex.h>
  37 #include <sys/condvar.h>
  38 #include <sys/sysctl.h>
  39 #include <sys/unistd.h>
  40 #include <sys/callout.h>
  41 #include <sys/malloc.h>
  42 #include <sys/priv.h>
  43
  44 #include <bus/u4b/usb.h>
  45 #include <bus/u4b/usbdi.h>
  46
  47 static const char* usb_errstr_table[USB_ERR_MAX] = {
  48         [USB_ERR_NORMAL_COMPLETION]     = "USB_ERR_NORMAL_COMPLETION",
  49         [USB_ERR_PENDING_REQUESTS]      = "USB_ERR_PENDING_REQUESTS",
  50         [USB_ERR_NOT_STARTED]           = "USB_ERR_NOT_STARTED",
  51         [USB_ERR_INVAL]                 = "USB_ERR_INVAL",
  52         [USB_ERR_NOMEM]                 = "USB_ERR_NOMEM",
  53         [USB_ERR_CANCELLED]             = "USB_ERR_CANCELLED",
  54         [USB_ERR_BAD_ADDRESS]           = "USB_ERR_BAD_ADDRESS",
  55         [USB_ERR_BAD_BUFSIZE]           = "USB_ERR_BAD_BUFSIZE",
  56         [USB_ERR_BAD_FLAG]              = "USB_ERR_BAD_FLAG",
  57         [USB_ERR_NO_CALLBACK]           = "USB_ERR_NO_CALLBACK",
  58         [USB_ERR_IN_USE]                = "USB_ERR_IN_USE",
  59         [USB_ERR_NO_ADDR]               = "USB_ERR_NO_ADDR",
  60         [USB_ERR_NO_PIPE]               = "USB_ERR_NO_PIPE",
  61         [USB_ERR_ZERO_NFRAMES]          = "USB_ERR_ZERO_NFRAMES",
  62         [USB_ERR_ZERO_MAXP]             = "USB_ERR_ZERO_MAXP",
  63         [USB_ERR_SET_ADDR_FAILED]       = "USB_ERR_SET_ADDR_FAILED",
  64         [USB_ERR_NO_POWER]              = "USB_ERR_NO_POWER",
  65         [USB_ERR_TOO_DEEP]              = "USB_ERR_TOO_DEEP",
  66         [USB_ERR_IOERROR]               = "USB_ERR_IOERROR",
  67         [USB_ERR_NOT_CONFIGURED]        = "USB_ERR_NOT_CONFIGURED",
  68         [USB_ERR_TIMEOUT]               = "USB_ERR_TIMEOUT",
  69         [USB_ERR_SHORT_XFER]            = "USB_ERR_SHORT_XFER",
  70         [USB_ERR_STALLED]               = "USB_ERR_STALLED",
  71         [USB_ERR_INTERRUPTED]           = "USB_ERR_INTERRUPTED",
  72         [USB_ERR_DMA_LOAD_FAILED]       = "USB_ERR_DMA_LOAD_FAILED",
  73         [USB_ERR_BAD_CONTEXT]           = "USB_ERR_BAD_CONTEXT",
  74         [USB_ERR_NO_ROOT_HUB]           = "USB_ERR_NO_ROOT_HUB",
  75         [USB_ERR_NO_INTR_THREAD]        = "USB_ERR_NO_INTR_THREAD",
  76         [USB_ERR_NOT_LOCKED]            = "USB_ERR_NOT_LOCKED",
  77 };
  78
  79 /*------------------------------------------------------------------------*
  80  *      usbd_errstr
  81  *
  82  * This function converts an USB error code into a string.
  83  *------------------------------------------------------------------------*/
  84 const char *
  85 usbd_errstr(usb_error_t err)
  86 {
  87         return (err < USB_ERR_MAX ? usb_errstr_table[err] : "USB_ERR_UNKNOWN");
  88 }