LXR linux/drivers/usb/storage/usual-tables.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Driver for USB Mass Storage devices
   4 * Usual Tables File for usb-storage and libusual
   5 *
   6 * Copyright (C) 2009 Alan Stern (stern@rowland.harvard.edu)
   7 */
   8
   9#include <linux/kernel.h>
  10#include <linux/module.h>
  11#include <linux/usb.h>
  12#include <linux/usb_usual.h>
  13
  14
  15/*
  16 * The table of devices
  17 */
  18#define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \
  19                    vendorName, productName, useProtocol, useTransport, \
  20                    initFunction, flags) \
  21{ USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \
  22  .driver_info = (flags) }
  23
  24#define COMPLIANT_DEV   UNUSUAL_DEV
  25
  26#define USUAL_DEV(useProto, useTrans) \
  27{ USB_INTERFACE_INFO(USB_CLASS_MASS_STORAGE, useProto, useTrans) }
  28
  29/* Define the device is matched with Vendor ID and interface descriptors */
  30#define UNUSUAL_VENDOR_INTF(id_vendor, cl, sc, pr, \
  31                        vendorName, productName, useProtocol, useTransport, \
  32                        initFunction, flags) \
  33{ \
  34        .match_flags = USB_DEVICE_ID_MATCH_INT_INFO \
  35                                | USB_DEVICE_ID_MATCH_VENDOR, \
  36        .idVendor    = (id_vendor), \
  37        .bInterfaceClass = (cl), \
  38        .bInterfaceSubClass = (sc), \
  39        .bInterfaceProtocol = (pr), \
  40        .driver_info = (flags) \
  41}
  42
  43const struct usb_device_id usb_storage_usb_ids[] = {
  44#       include "unusual_devs.h"
  45        { }             /* Terminating entry */
  46};
  47MODULE_DEVICE_TABLE(usb, usb_storage_usb_ids);
  48
  49#undef UNUSUAL_DEV
  50#undef COMPLIANT_DEV
  51#undef USUAL_DEV
  52#undef UNUSUAL_VENDOR_INTF
  53
  54/*
  55 * The table of devices to ignore
  56 */
  57struct ignore_entry {
  58        u16     vid, pid, bcdmin, bcdmax;
  59};
  60
  61#define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \
  62                    vendorName, productName, useProtocol, useTransport, \
  63                    initFunction, flags) \
  64{                                       \
  65        .vid    = id_vendor,            \
  66        .pid    = id_product,           \
  67        .bcdmin = bcdDeviceMin,         \
  68        .bcdmax = bcdDeviceMax,         \
  69}
  70
  71static const struct ignore_entry ignore_ids[] = {
  72#       include "unusual_alauda.h"
  73#       include "unusual_cypress.h"
  74#       include "unusual_datafab.h"
  75#       include "unusual_ene_ub6250.h"
  76#       include "unusual_freecom.h"
  77#       include "unusual_isd200.h"
  78#       include "unusual_jumpshot.h"
  79#       include "unusual_karma.h"
  80#       include "unusual_onetouch.h"
  81#       include "unusual_realtek.h"
  82#       include "unusual_sddr09.h"
  83#       include "unusual_sddr55.h"
  84#       include "unusual_usbat.h"
  85        { }             /* Terminating entry */
  86};
  87
  88#undef UNUSUAL_DEV
  89
  90/* Return an error if a device is in the ignore_ids list */
  91int usb_usual_ignore_device(struct usb_interface *intf)
  92{
  93        struct usb_device *udev;
  94        unsigned vid, pid, bcd;
  95        const struct ignore_entry *p;
  96
  97        udev = interface_to_usbdev(intf);
  98        vid = le16_to_cpu(udev->descriptor.idVendor);
  99        pid = le16_to_cpu(udev->descriptor.idProduct);
 100        bcd = le16_to_cpu(udev->descriptor.bcdDevice);
 101
 102        for (p = ignore_ids; p->vid; ++p) {
 103                if (p->vid == vid && p->pid == pid &&
 104                                p->bcdmin <= bcd && p->bcdmax >= bcd)
 105                        return -ENXIO;
 106        }
 107        return 0;
 108}
 109