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 ([email protected])
   7  *
   8  * Please see http://www.one-eyed-alien.net/~mdharm/linux-usb for more
   9  * information about this driver.
  10  */
  11
  12 #include <linux/kernel.h>
  13 #include <linux/module.h>
  14 #include <linux/usb.h>
  15 #include <linux/usb_usual.h>
  16
  17
  18 /*
  19  * The table of devices
  20  */
  21 #define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \
  22                     vendorName, productName, useProtocol, useTransport, \
  23                     initFunction, flags) \
  24 { USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \
  25   .driver_info = (flags) }
  26
  27 #define COMPLIANT_DEV   UNUSUAL_DEV
  28
  29 #define USUAL_DEV(useProto, useTrans) \
  30 { USB_INTERFACE_INFO(USB_CLASS_MASS_STORAGE, useProto, useTrans) }
  31
  32 /* Define the device is matched with Vendor ID and interface descriptors */
  33 #define UNUSUAL_VENDOR_INTF(id_vendor, cl, sc, pr, \
  34                         vendorName, productName, useProtocol, useTransport, \
  35                         initFunction, flags) \
  36 { \
  37         .match_flags = USB_DEVICE_ID_MATCH_INT_INFO \
  38                                 | USB_DEVICE_ID_MATCH_VENDOR, \
  39         .idVendor    = (id_vendor), \
  40         .bInterfaceClass = (cl), \
  41         .bInterfaceSubClass = (sc), \
  42         .bInterfaceProtocol = (pr), \
  43         .driver_info = (flags) \
  44 }
  45
  46 struct usb_device_id usb_storage_usb_ids[] = {
  47 #       include "unusual_devs.h"
  48         { }             /* Terminating entry */
  49 };
  50 MODULE_DEVICE_TABLE(usb, usb_storage_usb_ids);
  51
  52 #undef UNUSUAL_DEV
  53 #undef COMPLIANT_DEV
  54 #undef USUAL_DEV
  55 #undef UNUSUAL_VENDOR_INTF
  56
  57 /*
  58  * The table of devices to ignore
  59  */
  60 struct ignore_entry {
  61         u16     vid, pid, bcdmin, bcdmax;
  62 };
  63
  64 #define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \
  65                     vendorName, productName, useProtocol, useTransport, \
  66                     initFunction, flags) \
  67 {                                       \
  68         .vid    = id_vendor,            \
  69         .pid    = id_product,           \
  70         .bcdmin = bcdDeviceMin,         \
  71         .bcdmax = bcdDeviceMax,         \
  72 }
  73
  74 static struct ignore_entry ignore_ids[] = {
  75 #       include "unusual_alauda.h"
  76 #       include "unusual_cypress.h"
  77 #       include "unusual_datafab.h"
  78 #       include "unusual_ene_ub6250.h"
  79 #       include "unusual_freecom.h"
  80 #       include "unusual_isd200.h"
  81 #       include "unusual_jumpshot.h"
  82 #       include "unusual_karma.h"
  83 #       include "unusual_onetouch.h"
  84 #       include "unusual_realtek.h"
  85 #       include "unusual_sddr09.h"
  86 #       include "unusual_sddr55.h"
  87 #       include "unusual_usbat.h"
  88         { }             /* Terminating entry */
  89 };
  90
  91 #undef UNUSUAL_DEV
  92
  93 /* Return an error if a device is in the ignore_ids list */
  94 int usb_usual_ignore_device(struct usb_interface *intf)
  95 {
  96         struct usb_device *udev;
  97         unsigned vid, pid, bcd;
  98         struct ignore_entry *p;
  99
 100         udev = interface_to_usbdev(intf);
 101         vid = le16_to_cpu(udev->descriptor.idVendor);
 102         pid = le16_to_cpu(udev->descriptor.idProduct);
 103         bcd = le16_to_cpu(udev->descriptor.bcdDevice);
 104
 105         for (p = ignore_ids; p->vid; ++p) {
 106                 if (p->vid == vid && p->pid == pid &&
 107                                 p->bcdmin <= bcd && p->bcdmax >= bcd)
 108                         return -ENXIO;
 109         }
 110         return 0;
 111 }