usb/storage/umass_common.c

199767f8919635c4928607450d9e0abb932109ceToomas Soome/* $FreeBSD$ */
199767f8919635c4928607450d9e0abb932109ceToomas Soome/*-
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Copyright (c) 2014 Hans Petter Selasky <hselasky@FreeBSD.org>
199767f8919635c4928607450d9e0abb932109ceToomas Soome * All rights reserved.
199767f8919635c4928607450d9e0abb932109ceToomas Soome *
199767f8919635c4928607450d9e0abb932109ceToomas Soome * This software was developed by SRI International and the University of
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
199767f8919635c4928607450d9e0abb932109ceToomas Soome * ("CTSRD"), as part of the DARPA CRASH research programme.
199767f8919635c4928607450d9e0abb932109ceToomas Soome *
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Redistribution and use in source and binary forms, with or without
199767f8919635c4928607450d9e0abb932109ceToomas Soome * modification, are permitted provided that the following conditions
199767f8919635c4928607450d9e0abb932109ceToomas Soome * are met:
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 1. Redistributions of source code must retain the above copyright
199767f8919635c4928607450d9e0abb932109ceToomas Soome *    notice, this list of conditions and the following disclaimer.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 2. Redistributions in binary form must reproduce the above copyright
199767f8919635c4928607450d9e0abb932109ceToomas Soome *    notice, this list of conditions and the following disclaimer in the
199767f8919635c4928607450d9e0abb932109ceToomas Soome *    documentation and/or other materials provided with the distribution.
199767f8919635c4928607450d9e0abb932109ceToomas Soome *
199767f8919635c4928607450d9e0abb932109ceToomas Soome * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
199767f8919635c4928607450d9e0abb932109ceToomas Soome * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
199767f8919635c4928607450d9e0abb932109ceToomas Soome * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
199767f8919635c4928607450d9e0abb932109ceToomas Soome * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
199767f8919635c4928607450d9e0abb932109ceToomas Soome * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
199767f8919635c4928607450d9e0abb932109ceToomas Soome * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
199767f8919635c4928607450d9e0abb932109ceToomas Soome * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
199767f8919635c4928607450d9e0abb932109ceToomas Soome * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
199767f8919635c4928607450d9e0abb932109ceToomas Soome * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
199767f8919635c4928607450d9e0abb932109ceToomas Soome * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
199767f8919635c4928607450d9e0abb932109ceToomas Soome * SUCH DAMAGE.
199767f8919635c4928607450d9e0abb932109ceToomas Soome */
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soome#include USB_GLOBAL_INCLUDE_FILE
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soome#include "umass_common.h"
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soomestruct usb_attach_arg umass_uaa;
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic device_probe_t umass_probe;
199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic device_attach_t umass_attach;
199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic device_detach_t umass_detach;
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic devclass_t umass_devclass;
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic device_method_t umass_methods[] = {
199767f8919635c4928607450d9e0abb932109ceToomas Soome    /* Device interface */
199767f8919635c4928607450d9e0abb932109ceToomas Soome    DEVMETHOD(device_probe, umass_probe),
199767f8919635c4928607450d9e0abb932109ceToomas Soome    DEVMETHOD(device_attach, umass_attach),
199767f8919635c4928607450d9e0abb932109ceToomas Soome    DEVMETHOD(device_detach, umass_detach),
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soome    DEVMETHOD_END
199767f8919635c4928607450d9e0abb932109ceToomas Soome};
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic driver_t umass_driver = {
199767f8919635c4928607450d9e0abb932109ceToomas Soome    .name = "umass",
199767f8919635c4928607450d9e0abb932109ceToomas Soome    .methods = umass_methods,
199767f8919635c4928607450d9e0abb932109ceToomas Soome};
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas SoomeDRIVER_MODULE(umass, uhub, umass_driver, umass_devclass, NULL, 0);
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic int
199767f8919635c4928607450d9e0abb932109ceToomas Soomeumass_probe(device_t dev)
199767f8919635c4928607450d9e0abb932109ceToomas Soome{
199767f8919635c4928607450d9e0abb932109ceToomas Soome    struct usb_attach_arg *uaa = device_get_ivars(dev);
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soome    if (uaa->usb_mode != USB_MODE_HOST ||
199767f8919635c4928607450d9e0abb932109ceToomas Soome        uaa->info.bInterfaceClass != UICLASS_MASS ||
199767f8919635c4928607450d9e0abb932109ceToomas Soome        uaa->info.bInterfaceSubClass != UISUBCLASS_SCSI ||
199767f8919635c4928607450d9e0abb932109ceToomas Soome        uaa->info.bInterfaceProtocol != UIPROTO_MASS_BBB ||
199767f8919635c4928607450d9e0abb932109ceToomas Soome        device_get_unit(dev) != 0)
199767f8919635c4928607450d9e0abb932109ceToomas Soome        return (ENXIO);
199767f8919635c4928607450d9e0abb932109ceToomas Soome    return (0);
199767f8919635c4928607450d9e0abb932109ceToomas Soome}
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic int
199767f8919635c4928607450d9e0abb932109ceToomas Soomeumass_attach(device_t dev)
199767f8919635c4928607450d9e0abb932109ceToomas Soome{
199767f8919635c4928607450d9e0abb932109ceToomas Soome    struct usb_attach_arg *uaa = device_get_ivars(dev);
199767f8919635c4928607450d9e0abb932109ceToomas Soome    umass_uaa = *uaa;
199767f8919635c4928607450d9e0abb932109ceToomas Soome    return (0);         /* success */
199767f8919635c4928607450d9e0abb932109ceToomas Soome}
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic int
199767f8919635c4928607450d9e0abb932109ceToomas Soomeumass_detach(device_t dev)
199767f8919635c4928607450d9e0abb932109ceToomas Soome{
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soome#ifdef USB_DEBUG
199767f8919635c4928607450d9e0abb932109ceToomas Soome    memset(&umass_uaa, 0, sizeof(umass_uaa));
199767f8919635c4928607450d9e0abb932109ceToomas Soome#endif
199767f8919635c4928607450d9e0abb932109ceToomas Soome    return (0);
199767f8919635c4928607450d9e0abb932109ceToomas Soome}