15fd54aceSGreg Kroah-Hartman // SPDX-License-Identifier: GPL-2.0+
2f0183a33SFelipe Balbi /*
3f0183a33SFelipe Balbi * Driver for Datafab USB Compact Flash reader
41da177e4SLinus Torvalds *
51da177e4SLinus Torvalds * datafab driver v0.1:
61da177e4SLinus Torvalds *
71da177e4SLinus Torvalds * First release
81da177e4SLinus Torvalds *
91da177e4SLinus Torvalds * Current development and maintenance by:
101da177e4SLinus Torvalds * (c) 2000 Jimmie Mayfield (mayfield+datafab@sackheads.org)
111da177e4SLinus Torvalds *
121da177e4SLinus Torvalds * Many thanks to Robert Baruch for the SanDisk SmartMedia reader driver
131da177e4SLinus Torvalds * which I used as a template for this driver.
141da177e4SLinus Torvalds *
151da177e4SLinus Torvalds * Some bugfixes and scatter-gather code by Gregory P. Smith
161da177e4SLinus Torvalds * (greg-usb@electricrain.com)
171da177e4SLinus Torvalds *
181da177e4SLinus Torvalds * Fix for media change by Joerg Schneider (js@joergschneider.com)
191da177e4SLinus Torvalds *
201da177e4SLinus Torvalds * Other contributors:
211da177e4SLinus Torvalds * (c) 2002 Alan Stern <stern@rowland.org>
221da177e4SLinus Torvalds */
231da177e4SLinus Torvalds
241da177e4SLinus Torvalds /*
251da177e4SLinus Torvalds * This driver attempts to support USB CompactFlash reader/writer devices
261da177e4SLinus Torvalds * based on Datafab USB-to-ATA chips. It was specifically developed for the
271da177e4SLinus Torvalds * Datafab MDCFE-B USB CompactFlash reader but has since been found to work
281da177e4SLinus Torvalds * with a variety of Datafab-based devices from a number of manufacturers.
291da177e4SLinus Torvalds * I've received a report of this driver working with a Datafab-based
301da177e4SLinus Torvalds * SmartMedia device though please be aware that I'm personally unable to
311da177e4SLinus Torvalds * test SmartMedia support.
321da177e4SLinus Torvalds *
331da177e4SLinus Torvalds * This driver supports reading and writing. If you're truly paranoid,
341da177e4SLinus Torvalds * however, you can force the driver into a write-protected state by setting
351da177e4SLinus Torvalds * the WP enable bits in datafab_handle_mode_sense(). See the comments
361da177e4SLinus Torvalds * in that routine.
371da177e4SLinus Torvalds */
381da177e4SLinus Torvalds
391da177e4SLinus Torvalds #include <linux/errno.h>
402cbbf357SAlan Stern #include <linux/module.h>
411da177e4SLinus Torvalds #include <linux/slab.h>
421da177e4SLinus Torvalds
431da177e4SLinus Torvalds #include <scsi/scsi.h>
441da177e4SLinus Torvalds #include <scsi/scsi_cmnd.h>
451da177e4SLinus Torvalds
461da177e4SLinus Torvalds #include "usb.h"
471da177e4SLinus Torvalds #include "transport.h"
481da177e4SLinus Torvalds #include "protocol.h"
491da177e4SLinus Torvalds #include "debug.h"
50aa519be3SAkinobu Mita #include "scsiglue.h"
51aa519be3SAkinobu Mita
52aa519be3SAkinobu Mita #define DRV_NAME "ums-datafab"
532cbbf357SAlan Stern
544246b06aSMaciej Grela MODULE_DESCRIPTION("Driver for Datafab USB Compact Flash reader");
554246b06aSMaciej Grela MODULE_AUTHOR("Jimmie Mayfield <mayfield+datafab@sackheads.org>");
564246b06aSMaciej Grela MODULE_LICENSE("GPL");
57*32bca2dfSMatthias Maennich MODULE_IMPORT_NS(USB_STORAGE);
584246b06aSMaciej Grela
592cbbf357SAlan Stern struct datafab_info {
602cbbf357SAlan Stern unsigned long sectors; /* total sector count */
612cbbf357SAlan Stern unsigned long ssize; /* sector size in bytes */
622cbbf357SAlan Stern signed char lun; /* used for dual-slot readers */
632cbbf357SAlan Stern
642cbbf357SAlan Stern /* the following aren't used yet */
652cbbf357SAlan Stern unsigned char sense_key;
662cbbf357SAlan Stern unsigned long sense_asc; /* additional sense code */
672cbbf357SAlan Stern unsigned long sense_ascq; /* additional sense code qualifier */
682cbbf357SAlan Stern };
691da177e4SLinus Torvalds
701da177e4SLinus Torvalds static int datafab_determine_lun(struct us_data *us,
711da177e4SLinus Torvalds struct datafab_info *info);
721da177e4SLinus Torvalds
731da177e4SLinus Torvalds
742cbbf357SAlan Stern /*
752cbbf357SAlan Stern * The table of devices
762cbbf357SAlan Stern */
772cbbf357SAlan Stern #define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \
782cbbf357SAlan Stern vendorName, productName, useProtocol, useTransport, \
792cbbf357SAlan Stern initFunction, flags) \
802cbbf357SAlan Stern { USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \
81f61870eeSSebastian Andrzej Siewior .driver_info = (flags) }
822cbbf357SAlan Stern
83b03379f7SFelipe Balbi static struct usb_device_id datafab_usb_ids[] = {
842cbbf357SAlan Stern # include "unusual_datafab.h"
852cbbf357SAlan Stern { } /* Terminating entry */
862cbbf357SAlan Stern };
872cbbf357SAlan Stern MODULE_DEVICE_TABLE(usb, datafab_usb_ids);
882cbbf357SAlan Stern
892cbbf357SAlan Stern #undef UNUSUAL_DEV
902cbbf357SAlan Stern
912cbbf357SAlan Stern /*
922cbbf357SAlan Stern * The flags table
932cbbf357SAlan Stern */
942cbbf357SAlan Stern #define UNUSUAL_DEV(idVendor, idProduct, bcdDeviceMin, bcdDeviceMax, \
952cbbf357SAlan Stern vendor_name, product_name, use_protocol, use_transport, \
962cbbf357SAlan Stern init_function, Flags) \
972cbbf357SAlan Stern { \
982cbbf357SAlan Stern .vendorName = vendor_name, \
992cbbf357SAlan Stern .productName = product_name, \
1002cbbf357SAlan Stern .useProtocol = use_protocol, \
1012cbbf357SAlan Stern .useTransport = use_transport, \
1022cbbf357SAlan Stern .initFunction = init_function, \
1032cbbf357SAlan Stern }
1042cbbf357SAlan Stern
1052cbbf357SAlan Stern static struct us_unusual_dev datafab_unusual_dev_list[] = {
1062cbbf357SAlan Stern # include "unusual_datafab.h"
1072cbbf357SAlan Stern { } /* Terminating entry */
1082cbbf357SAlan Stern };
1092cbbf357SAlan Stern
1102cbbf357SAlan Stern #undef UNUSUAL_DEV
1112cbbf357SAlan Stern
1122cbbf357SAlan Stern
1131da177e4SLinus Torvalds static inline int
datafab_bulk_read(struct us_data * us,unsigned char * data,unsigned int len)1141da177e4SLinus Torvalds datafab_bulk_read(struct us_data *us, unsigned char *data, unsigned int len) {
1151da177e4SLinus Torvalds if (len == 0)
1161da177e4SLinus Torvalds return USB_STOR_XFER_GOOD;
1171da177e4SLinus Torvalds
118191648d0SJoe Perches usb_stor_dbg(us, "len = %d\n", len);
1191da177e4SLinus Torvalds return usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe,
1201da177e4SLinus Torvalds data, len, NULL);
1211da177e4SLinus Torvalds }
1221da177e4SLinus Torvalds
1231da177e4SLinus Torvalds
1241da177e4SLinus Torvalds static inline int
datafab_bulk_write(struct us_data * us,unsigned char * data,unsigned int len)1251da177e4SLinus Torvalds datafab_bulk_write(struct us_data *us, unsigned char *data, unsigned int len) {
1261da177e4SLinus Torvalds if (len == 0)
1271da177e4SLinus Torvalds return USB_STOR_XFER_GOOD;
1281da177e4SLinus Torvalds
129191648d0SJoe Perches usb_stor_dbg(us, "len = %d\n", len);
1301da177e4SLinus Torvalds return usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,
1311da177e4SLinus Torvalds data, len, NULL);
1321da177e4SLinus Torvalds }
1331da177e4SLinus Torvalds
1341da177e4SLinus Torvalds
datafab_read_data(struct us_data * us,struct datafab_info * info,u32 sector,u32 sectors)1351da177e4SLinus Torvalds static int datafab_read_data(struct us_data *us,
1361da177e4SLinus Torvalds struct datafab_info *info,
1371da177e4SLinus Torvalds u32 sector,
1381da177e4SLinus Torvalds u32 sectors)
1391da177e4SLinus Torvalds {
1401da177e4SLinus Torvalds unsigned char *command = us->iobuf;
1411da177e4SLinus Torvalds unsigned char *buffer;
1421da177e4SLinus Torvalds unsigned char thistime;
1431da177e4SLinus Torvalds unsigned int totallen, alloclen;
1441da177e4SLinus Torvalds int len, result;
1451f6f31a0SJens Axboe unsigned int sg_offset = 0;
1461f6f31a0SJens Axboe struct scatterlist *sg = NULL;
1471da177e4SLinus Torvalds
1481da177e4SLinus Torvalds // we're working in LBA mode. according to the ATA spec,
1491da177e4SLinus Torvalds // we can support up to 28-bit addressing. I don't know if Datafab
1501da177e4SLinus Torvalds // supports beyond 24-bit addressing. It's kind of hard to test
1511da177e4SLinus Torvalds // since it requires > 8GB CF card.
1521da177e4SLinus Torvalds //
1531da177e4SLinus Torvalds if (sectors > 0x0FFFFFFF)
1541da177e4SLinus Torvalds return USB_STOR_TRANSPORT_ERROR;
1551da177e4SLinus Torvalds
1561da177e4SLinus Torvalds if (info->lun == -1) {
1571da177e4SLinus Torvalds result = datafab_determine_lun(us, info);
1581da177e4SLinus Torvalds if (result != USB_STOR_TRANSPORT_GOOD)
1591da177e4SLinus Torvalds return result;
1601da177e4SLinus Torvalds }
1611da177e4SLinus Torvalds
1621da177e4SLinus Torvalds totallen = sectors * info->ssize;
1631da177e4SLinus Torvalds
1641da177e4SLinus Torvalds // Since we don't read more than 64 KB at a time, we have to create
1651da177e4SLinus Torvalds // a bounce buffer and move the data a piece at a time between the
1661da177e4SLinus Torvalds // bounce buffer and the actual transfer buffer.
1671da177e4SLinus Torvalds
1681da177e4SLinus Torvalds alloclen = min(totallen, 65536u);
1691da177e4SLinus Torvalds buffer = kmalloc(alloclen, GFP_NOIO);
1701da177e4SLinus Torvalds if (buffer == NULL)
1711da177e4SLinus Torvalds return USB_STOR_TRANSPORT_ERROR;
1721da177e4SLinus Torvalds
1731da177e4SLinus Torvalds do {
1741da177e4SLinus Torvalds // loop, never allocate or transfer more than 64k at once
1751da177e4SLinus Torvalds // (min(128k, 255*info->ssize) is the real limit)
1761da177e4SLinus Torvalds
1771da177e4SLinus Torvalds len = min(totallen, alloclen);
1781da177e4SLinus Torvalds thistime = (len / info->ssize) & 0xff;
1791da177e4SLinus Torvalds
1801da177e4SLinus Torvalds command[0] = 0;
1811da177e4SLinus Torvalds command[1] = thistime;
1821da177e4SLinus Torvalds command[2] = sector & 0xFF;
1831da177e4SLinus Torvalds command[3] = (sector >> 8) & 0xFF;
1841da177e4SLinus Torvalds command[4] = (sector >> 16) & 0xFF;
1851da177e4SLinus Torvalds
1861da177e4SLinus Torvalds command[5] = 0xE0 + (info->lun << 4);
1871da177e4SLinus Torvalds command[5] |= (sector >> 24) & 0x0F;
1881da177e4SLinus Torvalds command[6] = 0x20;
1891da177e4SLinus Torvalds command[7] = 0x01;
1901da177e4SLinus Torvalds
1911da177e4SLinus Torvalds // send the read command
1921da177e4SLinus Torvalds result = datafab_bulk_write(us, command, 8);
1931da177e4SLinus Torvalds if (result != USB_STOR_XFER_GOOD)
1941da177e4SLinus Torvalds goto leave;
1951da177e4SLinus Torvalds
1961da177e4SLinus Torvalds // read the result
1971da177e4SLinus Torvalds result = datafab_bulk_read(us, buffer, len);
1981da177e4SLinus Torvalds if (result != USB_STOR_XFER_GOOD)
1991da177e4SLinus Torvalds goto leave;
2001da177e4SLinus Torvalds
2011da177e4SLinus Torvalds // Store the data in the transfer buffer
2021da177e4SLinus Torvalds usb_stor_access_xfer_buf(buffer, len, us->srb,
2031f6f31a0SJens Axboe &sg, &sg_offset, TO_XFER_BUF);
2041da177e4SLinus Torvalds
2051da177e4SLinus Torvalds sector += thistime;
2061da177e4SLinus Torvalds totallen -= len;
2071da177e4SLinus Torvalds } while (totallen > 0);
2081da177e4SLinus Torvalds
2091da177e4SLinus Torvalds kfree(buffer);
2101da177e4SLinus Torvalds return USB_STOR_TRANSPORT_GOOD;
2111da177e4SLinus Torvalds
2121da177e4SLinus Torvalds leave:
2131da177e4SLinus Torvalds kfree(buffer);
2141da177e4SLinus Torvalds return USB_STOR_TRANSPORT_ERROR;
2151da177e4SLinus Torvalds }
2161da177e4SLinus Torvalds
2171da177e4SLinus Torvalds
datafab_write_data(struct us_data * us,struct datafab_info * info,u32 sector,u32 sectors)2181da177e4SLinus Torvalds static int datafab_write_data(struct us_data *us,
2191da177e4SLinus Torvalds struct datafab_info *info,
2201da177e4SLinus Torvalds u32 sector,
2211da177e4SLinus Torvalds u32 sectors)
2221da177e4SLinus Torvalds {
2231da177e4SLinus Torvalds unsigned char *command = us->iobuf;
2241da177e4SLinus Torvalds unsigned char *reply = us->iobuf;
2251da177e4SLinus Torvalds unsigned char *buffer;
2261da177e4SLinus Torvalds unsigned char thistime;
2271da177e4SLinus Torvalds unsigned int totallen, alloclen;
2281da177e4SLinus Torvalds int len, result;
2291f6f31a0SJens Axboe unsigned int sg_offset = 0;
2301f6f31a0SJens Axboe struct scatterlist *sg = NULL;
2311da177e4SLinus Torvalds
2321da177e4SLinus Torvalds // we're working in LBA mode. according to the ATA spec,
2331da177e4SLinus Torvalds // we can support up to 28-bit addressing. I don't know if Datafab
2341da177e4SLinus Torvalds // supports beyond 24-bit addressing. It's kind of hard to test
2351da177e4SLinus Torvalds // since it requires > 8GB CF card.
2361da177e4SLinus Torvalds //
2371da177e4SLinus Torvalds if (sectors > 0x0FFFFFFF)
2381da177e4SLinus Torvalds return USB_STOR_TRANSPORT_ERROR;
2391da177e4SLinus Torvalds
2401da177e4SLinus Torvalds if (info->lun == -1) {
2411da177e4SLinus Torvalds result = datafab_determine_lun(us, info);
2421da177e4SLinus Torvalds if (result != USB_STOR_TRANSPORT_GOOD)
2431da177e4SLinus Torvalds return result;
2441da177e4SLinus Torvalds }
2451da177e4SLinus Torvalds
2461da177e4SLinus Torvalds totallen = sectors * info->ssize;
2471da177e4SLinus Torvalds
2481da177e4SLinus Torvalds // Since we don't write more than 64 KB at a time, we have to create
2491da177e4SLinus Torvalds // a bounce buffer and move the data a piece at a time between the
2501da177e4SLinus Torvalds // bounce buffer and the actual transfer buffer.
2511da177e4SLinus Torvalds
2521da177e4SLinus Torvalds alloclen = min(totallen, 65536u);
2531da177e4SLinus Torvalds buffer = kmalloc(alloclen, GFP_NOIO);
2541da177e4SLinus Torvalds if (buffer == NULL)
2551da177e4SLinus Torvalds return USB_STOR_TRANSPORT_ERROR;
2561da177e4SLinus Torvalds
2571da177e4SLinus Torvalds do {
2581da177e4SLinus Torvalds // loop, never allocate or transfer more than 64k at once
2591da177e4SLinus Torvalds // (min(128k, 255*info->ssize) is the real limit)
2601da177e4SLinus Torvalds
2611da177e4SLinus Torvalds len = min(totallen, alloclen);
2621da177e4SLinus Torvalds thistime = (len / info->ssize) & 0xff;
2631da177e4SLinus Torvalds
2641da177e4SLinus Torvalds // Get the data from the transfer buffer
2651da177e4SLinus Torvalds usb_stor_access_xfer_buf(buffer, len, us->srb,
2661f6f31a0SJens Axboe &sg, &sg_offset, FROM_XFER_BUF);
2671da177e4SLinus Torvalds
2681da177e4SLinus Torvalds command[0] = 0;
2691da177e4SLinus Torvalds command[1] = thistime;
2701da177e4SLinus Torvalds command[2] = sector & 0xFF;
2711da177e4SLinus Torvalds command[3] = (sector >> 8) & 0xFF;
2721da177e4SLinus Torvalds command[4] = (sector >> 16) & 0xFF;
2731da177e4SLinus Torvalds
2741da177e4SLinus Torvalds command[5] = 0xE0 + (info->lun << 4);
2751da177e4SLinus Torvalds command[5] |= (sector >> 24) & 0x0F;
2761da177e4SLinus Torvalds command[6] = 0x30;
2771da177e4SLinus Torvalds command[7] = 0x02;
2781da177e4SLinus Torvalds
2791da177e4SLinus Torvalds // send the command
2801da177e4SLinus Torvalds result = datafab_bulk_write(us, command, 8);
2811da177e4SLinus Torvalds if (result != USB_STOR_XFER_GOOD)
2821da177e4SLinus Torvalds goto leave;
2831da177e4SLinus Torvalds
2841da177e4SLinus Torvalds // send the data
2851da177e4SLinus Torvalds result = datafab_bulk_write(us, buffer, len);
2861da177e4SLinus Torvalds if (result != USB_STOR_XFER_GOOD)
2871da177e4SLinus Torvalds goto leave;
2881da177e4SLinus Torvalds
2891da177e4SLinus Torvalds // read the result
2901da177e4SLinus Torvalds result = datafab_bulk_read(us, reply, 2);
2911da177e4SLinus Torvalds if (result != USB_STOR_XFER_GOOD)
2921da177e4SLinus Torvalds goto leave;
2931da177e4SLinus Torvalds
2941da177e4SLinus Torvalds if (reply[0] != 0x50 && reply[1] != 0) {
295191648d0SJoe Perches usb_stor_dbg(us, "Gah! write return code: %02x %02x\n",
2961da177e4SLinus Torvalds reply[0], reply[1]);
2971da177e4SLinus Torvalds goto leave;
2981da177e4SLinus Torvalds }
2991da177e4SLinus Torvalds
3001da177e4SLinus Torvalds sector += thistime;
3011da177e4SLinus Torvalds totallen -= len;
3021da177e4SLinus Torvalds } while (totallen > 0);
3031da177e4SLinus Torvalds
3041da177e4SLinus Torvalds kfree(buffer);
3051da177e4SLinus Torvalds return USB_STOR_TRANSPORT_GOOD;
3061da177e4SLinus Torvalds
3071da177e4SLinus Torvalds leave:
3081da177e4SLinus Torvalds kfree(buffer);
3091da177e4SLinus Torvalds return USB_STOR_TRANSPORT_ERROR;
3101da177e4SLinus Torvalds }
3111da177e4SLinus Torvalds
3121da177e4SLinus Torvalds
datafab_determine_lun(struct us_data * us,struct datafab_info * info)3131da177e4SLinus Torvalds static int datafab_determine_lun(struct us_data *us,
3141da177e4SLinus Torvalds struct datafab_info *info)
3151da177e4SLinus Torvalds {
3161da177e4SLinus Torvalds // Dual-slot readers can be thought of as dual-LUN devices.
3171da177e4SLinus Torvalds // We need to determine which card slot is being used.
3181da177e4SLinus Torvalds // We'll send an IDENTIFY DEVICE command and see which LUN responds...
3191da177e4SLinus Torvalds //
3201da177e4SLinus Torvalds // There might be a better way of doing this?
3211da177e4SLinus Torvalds
3221da177e4SLinus Torvalds static unsigned char scommand[8] = { 0, 1, 0, 0, 0, 0xa0, 0xec, 1 };
3231da177e4SLinus Torvalds unsigned char *command = us->iobuf;
3241da177e4SLinus Torvalds unsigned char *buf;
3251da177e4SLinus Torvalds int count = 0, rc;
3261da177e4SLinus Torvalds
32764aebe73SJulia Lawall if (!info)
3281da177e4SLinus Torvalds return USB_STOR_TRANSPORT_ERROR;
3291da177e4SLinus Torvalds
3301da177e4SLinus Torvalds memcpy(command, scommand, 8);
3311da177e4SLinus Torvalds buf = kmalloc(512, GFP_NOIO);
3321da177e4SLinus Torvalds if (!buf)
3331da177e4SLinus Torvalds return USB_STOR_TRANSPORT_ERROR;
3341da177e4SLinus Torvalds
335191648d0SJoe Perches usb_stor_dbg(us, "locating...\n");
3361da177e4SLinus Torvalds
3371da177e4SLinus Torvalds // we'll try 3 times before giving up...
3381da177e4SLinus Torvalds //
3391da177e4SLinus Torvalds while (count++ < 3) {
3401da177e4SLinus Torvalds command[5] = 0xa0;
3411da177e4SLinus Torvalds
3421da177e4SLinus Torvalds rc = datafab_bulk_write(us, command, 8);
3431da177e4SLinus Torvalds if (rc != USB_STOR_XFER_GOOD) {
3441da177e4SLinus Torvalds rc = USB_STOR_TRANSPORT_ERROR;
3451da177e4SLinus Torvalds goto leave;
3461da177e4SLinus Torvalds }
3471da177e4SLinus Torvalds
3481da177e4SLinus Torvalds rc = datafab_bulk_read(us, buf, 512);
3491da177e4SLinus Torvalds if (rc == USB_STOR_XFER_GOOD) {
3501da177e4SLinus Torvalds info->lun = 0;
3511da177e4SLinus Torvalds rc = USB_STOR_TRANSPORT_GOOD;
3521da177e4SLinus Torvalds goto leave;
3531da177e4SLinus Torvalds }
3541da177e4SLinus Torvalds
3551da177e4SLinus Torvalds command[5] = 0xb0;
3561da177e4SLinus Torvalds
3571da177e4SLinus Torvalds rc = datafab_bulk_write(us, command, 8);
3581da177e4SLinus Torvalds if (rc != USB_STOR_XFER_GOOD) {
3591da177e4SLinus Torvalds rc = USB_STOR_TRANSPORT_ERROR;
3601da177e4SLinus Torvalds goto leave;
3611da177e4SLinus Torvalds }
3621da177e4SLinus Torvalds
3631da177e4SLinus Torvalds rc = datafab_bulk_read(us, buf, 512);
3641da177e4SLinus Torvalds if (rc == USB_STOR_XFER_GOOD) {
3651da177e4SLinus Torvalds info->lun = 1;
3661da177e4SLinus Torvalds rc = USB_STOR_TRANSPORT_GOOD;
3671da177e4SLinus Torvalds goto leave;
3681da177e4SLinus Torvalds }
3691da177e4SLinus Torvalds
3701da177e4SLinus Torvalds msleep(20);
3711da177e4SLinus Torvalds }
3721da177e4SLinus Torvalds
3731da177e4SLinus Torvalds rc = USB_STOR_TRANSPORT_ERROR;
3741da177e4SLinus Torvalds
3751da177e4SLinus Torvalds leave:
3761da177e4SLinus Torvalds kfree(buf);
3771da177e4SLinus Torvalds return rc;
3781da177e4SLinus Torvalds }
3791da177e4SLinus Torvalds
datafab_id_device(struct us_data * us,struct datafab_info * info)3801da177e4SLinus Torvalds static int datafab_id_device(struct us_data *us,
3811da177e4SLinus Torvalds struct datafab_info *info)
3821da177e4SLinus Torvalds {
3831da177e4SLinus Torvalds // this is a variation of the ATA "IDENTIFY DEVICE" command...according
3841da177e4SLinus Torvalds // to the ATA spec, 'Sector Count' isn't used but the Windows driver
3851da177e4SLinus Torvalds // sets this bit so we do too...
3861da177e4SLinus Torvalds //
3871da177e4SLinus Torvalds static unsigned char scommand[8] = { 0, 1, 0, 0, 0, 0xa0, 0xec, 1 };
3881da177e4SLinus Torvalds unsigned char *command = us->iobuf;
3891da177e4SLinus Torvalds unsigned char *reply;
3901da177e4SLinus Torvalds int rc;
3911da177e4SLinus Torvalds
39264aebe73SJulia Lawall if (!info)
3931da177e4SLinus Torvalds return USB_STOR_TRANSPORT_ERROR;
3941da177e4SLinus Torvalds
3951da177e4SLinus Torvalds if (info->lun == -1) {
3961da177e4SLinus Torvalds rc = datafab_determine_lun(us, info);
3971da177e4SLinus Torvalds if (rc != USB_STOR_TRANSPORT_GOOD)
3981da177e4SLinus Torvalds return rc;
3991da177e4SLinus Torvalds }
4001da177e4SLinus Torvalds
4011da177e4SLinus Torvalds memcpy(command, scommand, 8);
4021da177e4SLinus Torvalds reply = kmalloc(512, GFP_NOIO);
4031da177e4SLinus Torvalds if (!reply)
4041da177e4SLinus Torvalds return USB_STOR_TRANSPORT_ERROR;
4051da177e4SLinus Torvalds
4061da177e4SLinus Torvalds command[5] += (info->lun << 4);
4071da177e4SLinus Torvalds
4081da177e4SLinus Torvalds rc = datafab_bulk_write(us, command, 8);
4091da177e4SLinus Torvalds if (rc != USB_STOR_XFER_GOOD) {
4101da177e4SLinus Torvalds rc = USB_STOR_TRANSPORT_ERROR;
4111da177e4SLinus Torvalds goto leave;
4121da177e4SLinus Torvalds }
4131da177e4SLinus Torvalds
4141da177e4SLinus Torvalds // we'll go ahead and extract the media capacity while we're here...
4151da177e4SLinus Torvalds //
4161da177e4SLinus Torvalds rc = datafab_bulk_read(us, reply, 512);
4171da177e4SLinus Torvalds if (rc == USB_STOR_XFER_GOOD) {
4181da177e4SLinus Torvalds // capacity is at word offset 57-58
4191da177e4SLinus Torvalds //
4201da177e4SLinus Torvalds info->sectors = ((u32)(reply[117]) << 24) |
4211da177e4SLinus Torvalds ((u32)(reply[116]) << 16) |
4221da177e4SLinus Torvalds ((u32)(reply[115]) << 8) |
4231da177e4SLinus Torvalds ((u32)(reply[114]) );
4241da177e4SLinus Torvalds rc = USB_STOR_TRANSPORT_GOOD;
4251da177e4SLinus Torvalds goto leave;
4261da177e4SLinus Torvalds }
4271da177e4SLinus Torvalds
4281da177e4SLinus Torvalds rc = USB_STOR_TRANSPORT_ERROR;
4291da177e4SLinus Torvalds
4301da177e4SLinus Torvalds leave:
4311da177e4SLinus Torvalds kfree(reply);
4321da177e4SLinus Torvalds return rc;
4331da177e4SLinus Torvalds }
4341da177e4SLinus Torvalds
4351da177e4SLinus Torvalds
datafab_handle_mode_sense(struct us_data * us,struct scsi_cmnd * srb,int sense_6)4361da177e4SLinus Torvalds static int datafab_handle_mode_sense(struct us_data *us,
4371da177e4SLinus Torvalds struct scsi_cmnd * srb,
4381da177e4SLinus Torvalds int sense_6)
4391da177e4SLinus Torvalds {
4401da177e4SLinus Torvalds static unsigned char rw_err_page[12] = {
4411da177e4SLinus Torvalds 0x1, 0xA, 0x21, 1, 0, 0, 0, 0, 1, 0, 0, 0
4421da177e4SLinus Torvalds };
4431da177e4SLinus Torvalds static unsigned char cache_page[12] = {
4441da177e4SLinus Torvalds 0x8, 0xA, 0x1, 0, 0, 0, 0, 0, 0, 0, 0, 0
4451da177e4SLinus Torvalds };
4461da177e4SLinus Torvalds static unsigned char rbac_page[12] = {
4471da177e4SLinus Torvalds 0x1B, 0xA, 0, 0x81, 0, 0, 0, 0, 0, 0, 0, 0
4481da177e4SLinus Torvalds };
4491da177e4SLinus Torvalds static unsigned char timer_page[8] = {
4501da177e4SLinus Torvalds 0x1C, 0x6, 0, 0, 0, 0
4511da177e4SLinus Torvalds };
4521da177e4SLinus Torvalds unsigned char pc, page_code;
4531da177e4SLinus Torvalds unsigned int i = 0;
4541da177e4SLinus Torvalds struct datafab_info *info = (struct datafab_info *) (us->extra);
4551da177e4SLinus Torvalds unsigned char *ptr = us->iobuf;
4561da177e4SLinus Torvalds
4571da177e4SLinus Torvalds // most of this stuff is just a hack to get things working. the
4581da177e4SLinus Torvalds // datafab reader doesn't present a SCSI interface so we
4591da177e4SLinus Torvalds // fudge the SCSI commands...
4601da177e4SLinus Torvalds //
4611da177e4SLinus Torvalds
4621da177e4SLinus Torvalds pc = srb->cmnd[2] >> 6;
4631da177e4SLinus Torvalds page_code = srb->cmnd[2] & 0x3F;
4641da177e4SLinus Torvalds
4651da177e4SLinus Torvalds switch (pc) {
4661da177e4SLinus Torvalds case 0x0:
467191648d0SJoe Perches usb_stor_dbg(us, "Current values\n");
4681da177e4SLinus Torvalds break;
4691da177e4SLinus Torvalds case 0x1:
470191648d0SJoe Perches usb_stor_dbg(us, "Changeable values\n");
4711da177e4SLinus Torvalds break;
4721da177e4SLinus Torvalds case 0x2:
473191648d0SJoe Perches usb_stor_dbg(us, "Default values\n");
4741da177e4SLinus Torvalds break;
4751da177e4SLinus Torvalds case 0x3:
476191648d0SJoe Perches usb_stor_dbg(us, "Saves values\n");
4771da177e4SLinus Torvalds break;
4781da177e4SLinus Torvalds }
4791da177e4SLinus Torvalds
4801da177e4SLinus Torvalds memset(ptr, 0, 8);
4811da177e4SLinus Torvalds if (sense_6) {
4821da177e4SLinus Torvalds ptr[2] = 0x00; // WP enable: 0x80
4831da177e4SLinus Torvalds i = 4;
4841da177e4SLinus Torvalds } else {
4851da177e4SLinus Torvalds ptr[3] = 0x00; // WP enable: 0x80
4861da177e4SLinus Torvalds i = 8;
4871da177e4SLinus Torvalds }
4881da177e4SLinus Torvalds
4891da177e4SLinus Torvalds switch (page_code) {
4901da177e4SLinus Torvalds default:
4911da177e4SLinus Torvalds // vendor-specific mode
4921da177e4SLinus Torvalds info->sense_key = 0x05;
4931da177e4SLinus Torvalds info->sense_asc = 0x24;
4941da177e4SLinus Torvalds info->sense_ascq = 0x00;
4951da177e4SLinus Torvalds return USB_STOR_TRANSPORT_FAILED;
4961da177e4SLinus Torvalds
4971da177e4SLinus Torvalds case 0x1:
4981da177e4SLinus Torvalds memcpy(ptr + i, rw_err_page, sizeof(rw_err_page));
4991da177e4SLinus Torvalds i += sizeof(rw_err_page);
5001da177e4SLinus Torvalds break;
5011da177e4SLinus Torvalds
5021da177e4SLinus Torvalds case 0x8:
5031da177e4SLinus Torvalds memcpy(ptr + i, cache_page, sizeof(cache_page));
5041da177e4SLinus Torvalds i += sizeof(cache_page);
5051da177e4SLinus Torvalds break;
5061da177e4SLinus Torvalds
5071da177e4SLinus Torvalds case 0x1B:
5081da177e4SLinus Torvalds memcpy(ptr + i, rbac_page, sizeof(rbac_page));
5091da177e4SLinus Torvalds i += sizeof(rbac_page);
5101da177e4SLinus Torvalds break;
5111da177e4SLinus Torvalds
5121da177e4SLinus Torvalds case 0x1C:
5131da177e4SLinus Torvalds memcpy(ptr + i, timer_page, sizeof(timer_page));
5141da177e4SLinus Torvalds i += sizeof(timer_page);
5151da177e4SLinus Torvalds break;
5161da177e4SLinus Torvalds
5171da177e4SLinus Torvalds case 0x3F: // retrieve all pages
5181da177e4SLinus Torvalds memcpy(ptr + i, timer_page, sizeof(timer_page));
5191da177e4SLinus Torvalds i += sizeof(timer_page);
5201da177e4SLinus Torvalds memcpy(ptr + i, rbac_page, sizeof(rbac_page));
5211da177e4SLinus Torvalds i += sizeof(rbac_page);
5221da177e4SLinus Torvalds memcpy(ptr + i, cache_page, sizeof(cache_page));
5231da177e4SLinus Torvalds i += sizeof(cache_page);
5241da177e4SLinus Torvalds memcpy(ptr + i, rw_err_page, sizeof(rw_err_page));
5251da177e4SLinus Torvalds i += sizeof(rw_err_page);
5261da177e4SLinus Torvalds break;
5271da177e4SLinus Torvalds }
5281da177e4SLinus Torvalds
5291da177e4SLinus Torvalds if (sense_6)
5301da177e4SLinus Torvalds ptr[0] = i - 1;
5311da177e4SLinus Torvalds else
5321da177e4SLinus Torvalds ((__be16 *) ptr)[0] = cpu_to_be16(i - 2);
5331da177e4SLinus Torvalds usb_stor_set_xfer_buf(ptr, i, srb);
5341da177e4SLinus Torvalds
5351da177e4SLinus Torvalds return USB_STOR_TRANSPORT_GOOD;
5361da177e4SLinus Torvalds }
5371da177e4SLinus Torvalds
datafab_info_destructor(void * extra)5381da177e4SLinus Torvalds static void datafab_info_destructor(void *extra)
5391da177e4SLinus Torvalds {
5401da177e4SLinus Torvalds // this routine is a placeholder...
5411da177e4SLinus Torvalds // currently, we don't allocate any extra memory so we're okay
5421da177e4SLinus Torvalds }
5431da177e4SLinus Torvalds
5441da177e4SLinus Torvalds
5451da177e4SLinus Torvalds // Transport for the Datafab MDCFE-B
5461da177e4SLinus Torvalds //
datafab_transport(struct scsi_cmnd * srb,struct us_data * us)5472cbbf357SAlan Stern static int datafab_transport(struct scsi_cmnd *srb, struct us_data *us)
5481da177e4SLinus Torvalds {
5491da177e4SLinus Torvalds struct datafab_info *info;
5501da177e4SLinus Torvalds int rc;
5511da177e4SLinus Torvalds unsigned long block, blocks;
5521da177e4SLinus Torvalds unsigned char *ptr = us->iobuf;
5531da177e4SLinus Torvalds static unsigned char inquiry_reply[8] = {
5541da177e4SLinus Torvalds 0x00, 0x80, 0x00, 0x01, 0x1F, 0x00, 0x00, 0x00
5551da177e4SLinus Torvalds };
5561da177e4SLinus Torvalds
5571da177e4SLinus Torvalds if (!us->extra) {
558887c2560SOliver Neukum us->extra = kzalloc(sizeof(struct datafab_info), GFP_NOIO);
559191648d0SJoe Perches if (!us->extra)
5601da177e4SLinus Torvalds return USB_STOR_TRANSPORT_ERROR;
561191648d0SJoe Perches
5621da177e4SLinus Torvalds us->extra_destructor = datafab_info_destructor;
5631da177e4SLinus Torvalds ((struct datafab_info *)us->extra)->lun = -1;
5641da177e4SLinus Torvalds }
5651da177e4SLinus Torvalds
5661da177e4SLinus Torvalds info = (struct datafab_info *) (us->extra);
5671da177e4SLinus Torvalds
5681da177e4SLinus Torvalds if (srb->cmnd[0] == INQUIRY) {
569191648d0SJoe Perches usb_stor_dbg(us, "INQUIRY - Returning bogus response\n");
5701da177e4SLinus Torvalds memcpy(ptr, inquiry_reply, sizeof(inquiry_reply));
5711da177e4SLinus Torvalds fill_inquiry_response(us, ptr, 36);
5721da177e4SLinus Torvalds return USB_STOR_TRANSPORT_GOOD;
5731da177e4SLinus Torvalds }
5741da177e4SLinus Torvalds
5751da177e4SLinus Torvalds if (srb->cmnd[0] == READ_CAPACITY) {
5761da177e4SLinus Torvalds info->ssize = 0x200; // hard coded 512 byte sectors as per ATA spec
5771da177e4SLinus Torvalds rc = datafab_id_device(us, info);
5781da177e4SLinus Torvalds if (rc != USB_STOR_TRANSPORT_GOOD)
5791da177e4SLinus Torvalds return rc;
5801da177e4SLinus Torvalds
581191648d0SJoe Perches usb_stor_dbg(us, "READ_CAPACITY: %ld sectors, %ld bytes per sector\n",
5821da177e4SLinus Torvalds info->sectors, info->ssize);
5831da177e4SLinus Torvalds
5841da177e4SLinus Torvalds // build the reply
5851da177e4SLinus Torvalds // we need the last sector, not the number of sectors
5861da177e4SLinus Torvalds ((__be32 *) ptr)[0] = cpu_to_be32(info->sectors - 1);
5871da177e4SLinus Torvalds ((__be32 *) ptr)[1] = cpu_to_be32(info->ssize);
5881da177e4SLinus Torvalds usb_stor_set_xfer_buf(ptr, 8, srb);
5891da177e4SLinus Torvalds
5901da177e4SLinus Torvalds return USB_STOR_TRANSPORT_GOOD;
5911da177e4SLinus Torvalds }
5921da177e4SLinus Torvalds
5931da177e4SLinus Torvalds if (srb->cmnd[0] == MODE_SELECT_10) {
594191648d0SJoe Perches usb_stor_dbg(us, "Gah! MODE_SELECT_10\n");
5951da177e4SLinus Torvalds return USB_STOR_TRANSPORT_ERROR;
5961da177e4SLinus Torvalds }
5971da177e4SLinus Torvalds
5981da177e4SLinus Torvalds // don't bother implementing READ_6 or WRITE_6.
5991da177e4SLinus Torvalds //
6001da177e4SLinus Torvalds if (srb->cmnd[0] == READ_10) {
6011da177e4SLinus Torvalds block = ((u32)(srb->cmnd[2]) << 24) | ((u32)(srb->cmnd[3]) << 16) |
6021da177e4SLinus Torvalds ((u32)(srb->cmnd[4]) << 8) | ((u32)(srb->cmnd[5]));
6031da177e4SLinus Torvalds
6041da177e4SLinus Torvalds blocks = ((u32)(srb->cmnd[7]) << 8) | ((u32)(srb->cmnd[8]));
6051da177e4SLinus Torvalds
606191648d0SJoe Perches usb_stor_dbg(us, "READ_10: read block 0x%04lx count %ld\n",
607191648d0SJoe Perches block, blocks);
6081da177e4SLinus Torvalds return datafab_read_data(us, info, block, blocks);
6091da177e4SLinus Torvalds }
6101da177e4SLinus Torvalds
6111da177e4SLinus Torvalds if (srb->cmnd[0] == READ_12) {
6121da177e4SLinus Torvalds // we'll probably never see a READ_12 but we'll do it anyway...
6131da177e4SLinus Torvalds //
6141da177e4SLinus Torvalds block = ((u32)(srb->cmnd[2]) << 24) | ((u32)(srb->cmnd[3]) << 16) |
6151da177e4SLinus Torvalds ((u32)(srb->cmnd[4]) << 8) | ((u32)(srb->cmnd[5]));
6161da177e4SLinus Torvalds
6171da177e4SLinus Torvalds blocks = ((u32)(srb->cmnd[6]) << 24) | ((u32)(srb->cmnd[7]) << 16) |
6181da177e4SLinus Torvalds ((u32)(srb->cmnd[8]) << 8) | ((u32)(srb->cmnd[9]));
6191da177e4SLinus Torvalds
620191648d0SJoe Perches usb_stor_dbg(us, "READ_12: read block 0x%04lx count %ld\n",
621191648d0SJoe Perches block, blocks);
6221da177e4SLinus Torvalds return datafab_read_data(us, info, block, blocks);
6231da177e4SLinus Torvalds }
6241da177e4SLinus Torvalds
6251da177e4SLinus Torvalds if (srb->cmnd[0] == WRITE_10) {
6261da177e4SLinus Torvalds block = ((u32)(srb->cmnd[2]) << 24) | ((u32)(srb->cmnd[3]) << 16) |
6271da177e4SLinus Torvalds ((u32)(srb->cmnd[4]) << 8) | ((u32)(srb->cmnd[5]));
6281da177e4SLinus Torvalds
6291da177e4SLinus Torvalds blocks = ((u32)(srb->cmnd[7]) << 8) | ((u32)(srb->cmnd[8]));
6301da177e4SLinus Torvalds
631191648d0SJoe Perches usb_stor_dbg(us, "WRITE_10: write block 0x%04lx count %ld\n",
632191648d0SJoe Perches block, blocks);
6331da177e4SLinus Torvalds return datafab_write_data(us, info, block, blocks);
6341da177e4SLinus Torvalds }
6351da177e4SLinus Torvalds
6361da177e4SLinus Torvalds if (srb->cmnd[0] == WRITE_12) {
6371da177e4SLinus Torvalds // we'll probably never see a WRITE_12 but we'll do it anyway...
6381da177e4SLinus Torvalds //
6391da177e4SLinus Torvalds block = ((u32)(srb->cmnd[2]) << 24) | ((u32)(srb->cmnd[3]) << 16) |
6401da177e4SLinus Torvalds ((u32)(srb->cmnd[4]) << 8) | ((u32)(srb->cmnd[5]));
6411da177e4SLinus Torvalds
6421da177e4SLinus Torvalds blocks = ((u32)(srb->cmnd[6]) << 24) | ((u32)(srb->cmnd[7]) << 16) |
6431da177e4SLinus Torvalds ((u32)(srb->cmnd[8]) << 8) | ((u32)(srb->cmnd[9]));
6441da177e4SLinus Torvalds
645191648d0SJoe Perches usb_stor_dbg(us, "WRITE_12: write block 0x%04lx count %ld\n",
646191648d0SJoe Perches block, blocks);
6471da177e4SLinus Torvalds return datafab_write_data(us, info, block, blocks);
6481da177e4SLinus Torvalds }
6491da177e4SLinus Torvalds
6501da177e4SLinus Torvalds if (srb->cmnd[0] == TEST_UNIT_READY) {
651191648d0SJoe Perches usb_stor_dbg(us, "TEST_UNIT_READY\n");
6521da177e4SLinus Torvalds return datafab_id_device(us, info);
6531da177e4SLinus Torvalds }
6541da177e4SLinus Torvalds
6551da177e4SLinus Torvalds if (srb->cmnd[0] == REQUEST_SENSE) {
656191648d0SJoe Perches usb_stor_dbg(us, "REQUEST_SENSE - Returning faked response\n");
6571da177e4SLinus Torvalds
6581da177e4SLinus Torvalds // this response is pretty bogus right now. eventually if necessary
6591da177e4SLinus Torvalds // we can set the correct sense data. so far though it hasn't been
6601da177e4SLinus Torvalds // necessary
6611da177e4SLinus Torvalds //
6621da177e4SLinus Torvalds memset(ptr, 0, 18);
6631da177e4SLinus Torvalds ptr[0] = 0xF0;
6641da177e4SLinus Torvalds ptr[2] = info->sense_key;
6651da177e4SLinus Torvalds ptr[7] = 11;
6661da177e4SLinus Torvalds ptr[12] = info->sense_asc;
6671da177e4SLinus Torvalds ptr[13] = info->sense_ascq;
6681da177e4SLinus Torvalds usb_stor_set_xfer_buf(ptr, 18, srb);
6691da177e4SLinus Torvalds
6701da177e4SLinus Torvalds return USB_STOR_TRANSPORT_GOOD;
6711da177e4SLinus Torvalds }
6721da177e4SLinus Torvalds
6731da177e4SLinus Torvalds if (srb->cmnd[0] == MODE_SENSE) {
674191648d0SJoe Perches usb_stor_dbg(us, "MODE_SENSE_6 detected\n");
6751da177e4SLinus Torvalds return datafab_handle_mode_sense(us, srb, 1);
6761da177e4SLinus Torvalds }
6771da177e4SLinus Torvalds
6781da177e4SLinus Torvalds if (srb->cmnd[0] == MODE_SENSE_10) {
679191648d0SJoe Perches usb_stor_dbg(us, "MODE_SENSE_10 detected\n");
6801da177e4SLinus Torvalds return datafab_handle_mode_sense(us, srb, 0);
6811da177e4SLinus Torvalds }
6821da177e4SLinus Torvalds
6831da177e4SLinus Torvalds if (srb->cmnd[0] == ALLOW_MEDIUM_REMOVAL) {
684f0183a33SFelipe Balbi /*
685f0183a33SFelipe Balbi * sure. whatever. not like we can stop the user from
686f0183a33SFelipe Balbi * popping the media out of the device (no locking doors, etc)
687f0183a33SFelipe Balbi */
6881da177e4SLinus Torvalds return USB_STOR_TRANSPORT_GOOD;
6891da177e4SLinus Torvalds }
6901da177e4SLinus Torvalds
6911da177e4SLinus Torvalds if (srb->cmnd[0] == START_STOP) {
692f0183a33SFelipe Balbi /*
693f0183a33SFelipe Balbi * this is used by sd.c'check_scsidisk_media_change to detect
694f0183a33SFelipe Balbi * media change
695f0183a33SFelipe Balbi */
696191648d0SJoe Perches usb_stor_dbg(us, "START_STOP\n");
697f0183a33SFelipe Balbi /*
698f0183a33SFelipe Balbi * the first datafab_id_device after a media change returns
699f0183a33SFelipe Balbi * an error (determined experimentally)
700f0183a33SFelipe Balbi */
7011da177e4SLinus Torvalds rc = datafab_id_device(us, info);
7021da177e4SLinus Torvalds if (rc == USB_STOR_TRANSPORT_GOOD) {
7031da177e4SLinus Torvalds info->sense_key = NO_SENSE;
7041da177e4SLinus Torvalds srb->result = SUCCESS;
7051da177e4SLinus Torvalds } else {
7061da177e4SLinus Torvalds info->sense_key = UNIT_ATTENTION;
7071da177e4SLinus Torvalds srb->result = SAM_STAT_CHECK_CONDITION;
7081da177e4SLinus Torvalds }
7091da177e4SLinus Torvalds return rc;
7101da177e4SLinus Torvalds }
7111da177e4SLinus Torvalds
712191648d0SJoe Perches usb_stor_dbg(us, "Gah! Unknown command: %d (0x%x)\n",
7131da177e4SLinus Torvalds srb->cmnd[0], srb->cmnd[0]);
7141da177e4SLinus Torvalds info->sense_key = 0x05;
7151da177e4SLinus Torvalds info->sense_asc = 0x20;
7161da177e4SLinus Torvalds info->sense_ascq = 0x00;
7171da177e4SLinus Torvalds return USB_STOR_TRANSPORT_FAILED;
7181da177e4SLinus Torvalds }
7192cbbf357SAlan Stern
720aa519be3SAkinobu Mita static struct scsi_host_template datafab_host_template;
721aa519be3SAkinobu Mita
datafab_probe(struct usb_interface * intf,const struct usb_device_id * id)7222cbbf357SAlan Stern static int datafab_probe(struct usb_interface *intf,
7232cbbf357SAlan Stern const struct usb_device_id *id)
7242cbbf357SAlan Stern {
7252cbbf357SAlan Stern struct us_data *us;
7262cbbf357SAlan Stern int result;
7272cbbf357SAlan Stern
7282cbbf357SAlan Stern result = usb_stor_probe1(&us, intf, id,
729aa519be3SAkinobu Mita (id - datafab_usb_ids) + datafab_unusual_dev_list,
730aa519be3SAkinobu Mita &datafab_host_template);
7312cbbf357SAlan Stern if (result)
7322cbbf357SAlan Stern return result;
7332cbbf357SAlan Stern
7342cbbf357SAlan Stern us->transport_name = "Datafab Bulk-Only";
7352cbbf357SAlan Stern us->transport = datafab_transport;
7362cbbf357SAlan Stern us->transport_reset = usb_stor_Bulk_reset;
7372cbbf357SAlan Stern us->max_lun = 1;
7382cbbf357SAlan Stern
7392cbbf357SAlan Stern result = usb_stor_probe2(us);
7402cbbf357SAlan Stern return result;
7412cbbf357SAlan Stern }
7422cbbf357SAlan Stern
7432cbbf357SAlan Stern static struct usb_driver datafab_driver = {
744aa519be3SAkinobu Mita .name = DRV_NAME,
7452cbbf357SAlan Stern .probe = datafab_probe,
7462cbbf357SAlan Stern .disconnect = usb_stor_disconnect,
7472cbbf357SAlan Stern .suspend = usb_stor_suspend,
7482cbbf357SAlan Stern .resume = usb_stor_resume,
7492cbbf357SAlan Stern .reset_resume = usb_stor_reset_resume,
7502cbbf357SAlan Stern .pre_reset = usb_stor_pre_reset,
7512cbbf357SAlan Stern .post_reset = usb_stor_post_reset,
7522cbbf357SAlan Stern .id_table = datafab_usb_ids,
7532cbbf357SAlan Stern .soft_unbind = 1,
754e73b2db6SHuajun Li .no_dynamic_id = 1,
7552cbbf357SAlan Stern };
7562cbbf357SAlan Stern
757aa519be3SAkinobu Mita module_usb_stor_driver(datafab_driver, datafab_host_template, DRV_NAME);
758