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 43 struct usb_device_id usb_storage_usb_ids[] = { 44 # include "unusual_devs.h" 45 { } /* Terminating entry */ 46 }; 47 MODULE_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 */ 57 struct 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 71 static 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 */ 91 int usb_usual_ignore_device(struct usb_interface *intf) 92 { 93 struct usb_device *udev; 94 unsigned vid, pid, bcd; 95 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