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07c7be3d87
1. Define a new macro for USB storage match rules:
matching with Vendor ID and interface descriptors.
Signed-off-by: fangxiaozhi <huananhu@huawei.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
124 lines
3.5 KiB
C
124 lines
3.5 KiB
C
/* Driver for USB Mass Storage devices
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* Usual Tables File for usb-storage and libusual
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*
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* Copyright (C) 2009 Alan Stern (stern@rowland.harvard.edu)
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*
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* Please see http://www.one-eyed-alien.net/~mdharm/linux-usb for more
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* information about this driver.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/usb.h>
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#include <linux/usb_usual.h>
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/*
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* The table of devices
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*/
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#define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \
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vendorName, productName, useProtocol, useTransport, \
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initFunction, flags) \
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{ USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \
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.driver_info = (flags) }
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#define COMPLIANT_DEV UNUSUAL_DEV
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#define USUAL_DEV(useProto, useTrans) \
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{ USB_INTERFACE_INFO(USB_CLASS_MASS_STORAGE, useProto, useTrans) }
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/* Define the device is matched with Vendor ID and interface descriptors */
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#define UNUSUAL_VENDOR_INTF(id_vendor, cl, sc, pr, \
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vendorName, productName, useProtocol, useTransport, \
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initFunction, flags) \
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{ \
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.match_flags = USB_DEVICE_ID_MATCH_INT_INFO \
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| USB_DEVICE_ID_MATCH_VENDOR, \
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.idVendor = (id_vendor), \
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.bInterfaceClass = (cl), \
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.bInterfaceSubClass = (sc), \
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.bInterfaceProtocol = (pr), \
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.driver_info = (flags) \
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}
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struct usb_device_id usb_storage_usb_ids[] = {
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# include "unusual_devs.h"
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{ } /* Terminating entry */
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};
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MODULE_DEVICE_TABLE(usb, usb_storage_usb_ids);
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#undef UNUSUAL_DEV
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#undef COMPLIANT_DEV
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#undef USUAL_DEV
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#undef UNUSUAL_VENDOR_INTF
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/*
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* The table of devices to ignore
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*/
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struct ignore_entry {
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u16 vid, pid, bcdmin, bcdmax;
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};
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#define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \
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vendorName, productName, useProtocol, useTransport, \
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initFunction, flags) \
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{ \
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.vid = id_vendor, \
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.pid = id_product, \
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.bcdmin = bcdDeviceMin, \
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.bcdmax = bcdDeviceMax, \
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}
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static struct ignore_entry ignore_ids[] = {
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# include "unusual_alauda.h"
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# include "unusual_cypress.h"
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# include "unusual_datafab.h"
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# include "unusual_ene_ub6250.h"
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# include "unusual_freecom.h"
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# include "unusual_isd200.h"
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# include "unusual_jumpshot.h"
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# include "unusual_karma.h"
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# include "unusual_onetouch.h"
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# include "unusual_realtek.h"
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# include "unusual_sddr09.h"
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# include "unusual_sddr55.h"
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# include "unusual_usbat.h"
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{ } /* Terminating entry */
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};
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#undef UNUSUAL_DEV
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/* Return an error if a device is in the ignore_ids list */
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int usb_usual_ignore_device(struct usb_interface *intf)
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{
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struct usb_device *udev;
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unsigned vid, pid, bcd;
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struct ignore_entry *p;
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udev = interface_to_usbdev(intf);
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vid = le16_to_cpu(udev->descriptor.idVendor);
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pid = le16_to_cpu(udev->descriptor.idProduct);
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bcd = le16_to_cpu(udev->descriptor.bcdDevice);
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for (p = ignore_ids; p->vid; ++p) {
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if (p->vid == vid && p->pid == pid &&
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p->bcdmin <= bcd && p->bcdmax >= bcd)
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return -ENXIO;
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}
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return 0;
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}
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