usb_error.c

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/* $FreeBSD$ */
/*-
 * SPDX-License-Identifier: BSD-2-Clause-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.
 */
 
#ifdef USB_GLOBAL_INCLUDE_FILE
#include USB_GLOBAL_INCLUDE_FILE
#else
#include <sys/stdint.h>
#include <sys/stddef.h>
#include <sys/param.h>
#include <sys/queue.h>
#include <sys/types.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <sys/module.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/condvar.h>
#include <sys/sysctl.h>
#include <sys/sx.h>
#include <sys/unistd.h>
#include <sys/callout.h>
#include <sys/malloc.h>
#include <sys/priv.h>
 
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#endif                  /* USB_GLOBAL_INCLUDE_FILE */
 
static const char* usb_errstr_table[USB_ERR_MAX] = {
        [USB_ERR_NORMAL_COMPLETION]     = "USB_ERR_NORMAL_COMPLETION",
        [USB_ERR_PENDING_REQUESTS]      = "USB_ERR_PENDING_REQUESTS",
        [USB_ERR_NOT_STARTED]           = "USB_ERR_NOT_STARTED",
        [USB_ERR_INVAL]                 = "USB_ERR_INVAL",
        [USB_ERR_NOMEM]                 = "USB_ERR_NOMEM",
        [USB_ERR_CANCELLED]             = "USB_ERR_CANCELLED",
        [USB_ERR_BAD_ADDRESS]           = "USB_ERR_BAD_ADDRESS",
        [USB_ERR_BAD_BUFSIZE]           = "USB_ERR_BAD_BUFSIZE",
        [USB_ERR_BAD_FLAG]              = "USB_ERR_BAD_FLAG",
        [USB_ERR_NO_CALLBACK]           = "USB_ERR_NO_CALLBACK",
        [USB_ERR_IN_USE]                = "USB_ERR_IN_USE",
        [USB_ERR_NO_ADDR]               = "USB_ERR_NO_ADDR",
        [USB_ERR_NO_PIPE]               = "USB_ERR_NO_PIPE",
        [USB_ERR_ZERO_NFRAMES]          = "USB_ERR_ZERO_NFRAMES",
        [USB_ERR_ZERO_MAXP]             = "USB_ERR_ZERO_MAXP",
        [USB_ERR_SET_ADDR_FAILED]       = "USB_ERR_SET_ADDR_FAILED",
        [USB_ERR_NO_POWER]              = "USB_ERR_NO_POWER",
        [USB_ERR_TOO_DEEP]              = "USB_ERR_TOO_DEEP",
        [USB_ERR_IOERROR]               = "USB_ERR_IOERROR",
        [USB_ERR_NOT_CONFIGURED]        = "USB_ERR_NOT_CONFIGURED",
        [USB_ERR_TIMEOUT]               = "USB_ERR_TIMEOUT",
        [USB_ERR_SHORT_XFER]            = "USB_ERR_SHORT_XFER",
        [USB_ERR_STALLED]               = "USB_ERR_STALLED",
        [USB_ERR_INTERRUPTED]           = "USB_ERR_INTERRUPTED",
        [USB_ERR_DMA_LOAD_FAILED]       = "USB_ERR_DMA_LOAD_FAILED",
        [USB_ERR_BAD_CONTEXT]           = "USB_ERR_BAD_CONTEXT",
        [USB_ERR_NO_ROOT_HUB]           = "USB_ERR_NO_ROOT_HUB",
        [USB_ERR_NO_INTR_THREAD]        = "USB_ERR_NO_INTR_THREAD",
        [USB_ERR_NOT_LOCKED]            = "USB_ERR_NOT_LOCKED",
};
 
/*------------------------------------------------------------------------*
 *      usbd_errstr
 *
 * This function converts an USB error code into a string.
 *------------------------------------------------------------------------*/
const char *
usbd_errstr(usb_error_t err)
{
        return (err < USB_ERR_MAX ? usb_errstr_table[err] : "USB_ERR_UNKNOWN");
}