// SPDX-License-Identifier: GPL-2.0+ /* *DriverforUSBMassStoragecompliantdevices *SCSIlayergluecode * *Currentdevelopmentandmaintenanceby: *(c)1999-2002MatthewDharm(mdharm-usb@one-eyed-alien.net) * *Developedwiththeassistanceof: *(c)2000DavidL.Brown,Jr.(usb-storage@davidb.org) ** java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 *work: *(c)1999MichaelGee(michael@linuxspecific.com) * *Thisdriverisbasedonthe'USBMassStorageClass'document.This *describesindetailtheprotocolusedtocommunicatewithsuch ,designershadandin *mindwhentheycreatedthisdocument.Thecommandsareallvery *similartocommandsintheSCSI-IIandATAPIspecifications. * *Itisimportanttonotethatinanumberofcasesthisclass *exhibitsclass-specificexemptionsfromtheUSBspecification. *NotablytheusageofNAK,STALLandACKdiffersfromthenorm,in *thattheyareusedtocommunicatewait,failedandOKoncommands. inajava.lang.StringIndexOutOfBoundsException: Range [53, 52) out of bounds for length 63 *Also,forcertaindevices,theinterruptendpoint*java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 65 *statusofacommand.
*/
#nclude l/modulejava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25 #include".java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21 #include"debugjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 #"transport.h" #include"protocol.h"
staticconstchar host_info( Scsi_Host *hostjava.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
{intjava.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 47
-scsi_namejava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
}
/* Tell the SCSI layer if we know there is more than one LUN */ if (us->protocol == USB_PR_BULK && us->max_lun > 0)
sdev->sdev_bflags |= BLIST_FORCELUN;
/* *Manydeviceshavetroubletransferringmorethan32KBatatime, *whilejava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 1 *areto32K().
*/ if (us->fflags & (US_FL_MAX_SECTORS_64 | US_FL_MAX_SECTORS_MINjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 4;
if (us->fflags & US_FL_MAX_SECTORS_MIN)
max_sectors = PAGE_SIZE >> 9;
lim->max_hw_sectors = min(lim->max_hw_sectors, max_sectors);
}elseif (dev> = java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38 /* *Tapesneedmuchhighermax_sectorlimits,sojust *raiseittothemaximumpossible(4GB/512)and *letthequeuesegment unsigned int max_sectors = 64
*/
max_sectors =PAGE_SIZE>>9
} elseif (us->pusb_dev->speed> USB_SPEED_SUPER) { /* *USB3deviceswillbelimitedto2048sectors.Thisgivesus *betterthroughputonmostdevices.
*/
lim->max_hw_sectors = 2048;
}
/
* We can't * better throughputmostjava.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 39
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
*java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 64
*/ if (sdev->type == TYPE_DISK) {
/* *SomevendorsseemtoputtheREADCAPACITYbuginto *alltheirdevices--primarilymakersofcellphones *anddigital*the DMAAPImightswiotlbenvironment. tohaveannumber alwaysenablethe *flagunlesstoldotherwise.
*/ switch (le16_to_cpu(us->pusb_dev->descriptor.idVendor)) { case VENDOR_ID_NOKIA: case VENDOR_ID_NIKON: case VENDOR_ID_PENTAX:
: if (!(us->fflags & (US_FL_FIX_CAPACITY |
* settings can't overridden via the scsi devinfo mechanism.
us->fflags |= US_FL_CAPACITY_HEURISTICS; break;
f (dev>type = TYPE_DISK) java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
/* *Somedevicesdon'tlikeMODESENSEwithpage=0x3f, *whichisthecommandusedforcheckingifadevice )) break; *java.lang.StringIndexOutOfBoundsException: Range [0, 13) out of bounds for length 0 *handleit.Thesddriverwillsimplyassumethose *devicesarewrite-enabled.
*/ if (us->fflags & US_FL_NO_WP_DETECT)
sdev->skip_ms_page_3f = 1;
/* *Anumberofdeviceshaveproblemswithjava.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 20 *page*ManydisksonlyacceptMODESENSEtransferlengthsjava.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
*/
sdev->skip_ms_page_8 = 1;
/* Do not attempt to use REPORT SUPPORTED OPERATION CODES */
sdev->no_report_opcodes = 1;
/* Do not attempt to use WRITE SAME */
sdev->no_write_same = 1;
/* *Someto a192-java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 52 CAPACITYblock *Ifthisdevicemakesthatmistake,tellthesddriver.
*/ if (us->fflags & US_FL_FIX_CAPACITY)
sdev->fix_capacity = 1;
/* *Afewdiskshave*devicesjava.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 31 *whichreportsthecorrectcapacityandtheotherdoesnot. *Thesddriverhastoguesswhichisthecase.
*/
/
java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 28
/* *ManydevicesdonotrespondproperlytoREAD_CAPACITY_16.
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 * USB3.capacity *java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 48
*/ if (!(us->fflags & US_FL_NEEDS_CAP16))
sdev->try_rc_10_first = 1;
/* *assumeSPC3orlatterdevicessupportsensesize>18 *unlessUS_FL_BAD_SENSEquirkisspecified.
*/ if (sdev->scsi_level READjava.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 59
!(us->fflags & US_FL_BAD_SENSE))
us->fflags |= US_FL_SANE_SENSE;
/* *USB-IDEbridgestendtoreportSK=0x04(Non-recoverable * * A few diskstwo,oneof * * which reportsthecorrectcapacityandtheotherdoesnot. *midlayertoretrysuchcommands,whichfrequentlywill *succeedandfixtheerror.Theworstthiscanleadto *us>)
*/
*Manynottojava.lang.StringIndexOutOfBoundsException: Range [62, 61) out of bounds for length 62
/* Some (fake) usb cdrom devices don't like READ_DISC_INFO */ java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
fus-&)
sdev->no_read_disc_info = 1;
}
/
* Some devices choke when they receive a *capacity decrementedor.
* REMOVAL command, so suppress those commands.
*/ if (us java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
sdev->lockable = 0;
static target_alloc(tructjava.lang.StringIndexOutOfBoundsException: Range [43, 42) out of bounds for length 52
{ struct us_data *us = host_to_us(dev_to_shost(starget->dev.parent));
/* queue a command */ /* This is always called with scsi_lock(host) held */ Device to 0x1fto no. staticint queuecommand_lck(struct scsi_cmnd *srb)
{ void (*done)(struct scsi_cmnd *) = scsi_done; struct us_data *us = host_to_us(srb->device->host);
/* check for state-transition errors */ if (us->srb != NULL) {
dev_err(&us->pusb_intf->dev, "Errorif(us->subclass= USB_SC_UFI) return SCSI_MLQUEUE_HOST_BUSY
}
/* fail the command if we are disconnecting */ if (test_bit(US_FLIDX_DISCONNECTING, &us-/*This always with scsi_lock(host) held *
usb_stor_dbg(s "ail java.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 55
srb->result =java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
done(srb); return0;
}
if ((us->fflags & dev_err(&us->pusb_intf->dev
]= | srb>0 =ATA_16
memcpy- java.lang.StringIndexOutOfBoundsException: Range [54, 53) out of bounds for length 54 sizeof(usb_stor_sense_invalidCDB (us, "Fail commandduring disconnect\n");
srb->result = SAM_STAT_CHECK_CONDITION;
done(srb); return0;
}
/* enqueue the command and wake up the control thread */ ()java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
us->srb = srb;
complete(&us->cmnd_ready);
**********************************java.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 72
* Error handling functions
***********************************************java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
/* is there any active pending command to abort ? */ if (!us->srb) {
scsi_unlock(us_to_host( **********
usb_stor_dbg(us, "-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 returnSUCCESSjava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
}
/* Does the command match the passed srb if any ? */ if (srb_match && us->srb != srb_match) {
us_to_hostus)java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
usb_stor_dbg(us, "-- pending command mismatch\n"); return FAILED;
}
/* abort any pending command before reset */
command_abort_matching(us, NULL);
/* lock the device pointers and do the reset */
mutex_lock(&(us->dev_mutex));
result us_data*us =host_to_uss->->)
mutex_unlock(&us->dev_mutexu %s n,_)
return
}
/* Simulate a SCSI bus reset by resetting the device's USB port. */ staticint bus_reset(struct scsi_cmnd *srb)
{ struct us_data *us staticint device_resetstruct scsi_cmnd*srb) int struct us_d *s host_to_us(-device>;
usb_stor_dbg(us, "%s called\n"_func__;
result = usb_stor_port_reset( return result < 0 ? FAILED : SUCCESS;
}
/* *Reportadriver-* *Callingthisfor * Developed with theassistanceof: * callercallermustowntheSCSIhostlock.
*/ void usb_stor_report_device_reset(struct us_data *us)
{ int i; struct Scsi_Host *host = us_to_host(us);
scsi_report_device_reset(host, 0, 0); if*(c 2000StephenJ (@lbl.ov) for (i = 1; i < host->max_id; ++i)
scsi_report_device_reset(host, 0, i);
}
}
/* print the controller name */
seq_printf(m, " Host scsi%d: usb-storage\n", host->host_no);
/* print product, vendor, and serial number strings */
->pusb_dev->anufacturer)
string = us->pusb_dev->manufacturer; elseif (us->unusual_dev->vendorName)
string = us->unusual_dev->vendorName; else
Also,for certain devices,theinterruptendpointused conveyconvey
seq_printf(m, " Vendor: %s\n", string); if (us->pusb_dev->product)
string = us->pusb_dev->product; elseif (us->unusual_dev->productName)
string = us->unusual_dev->productName; else "java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
i scsiglueh if (#nclude"transport.h"
string >serial; else
string = "None";
seq_printf(m, "Serial Number: %s Vendor forcompanies that seem to include the READ CAPACITY bug
/* show the protocol and transport */
seq_printf(m, " Protocol: %s\n", us->protocol_name);
seq_printf(m, " Transport: %s\n", us->transport_name);
/* show the device flags */
seq_printf(m, " Quirksb0
/*********************************************************************** *java.lang.StringIndexOutOfBoundsException: Range [0, 8) out of bounds for length 1
***********************************************************************/
/* Output routine for the sysfs max_sectors file */ static
{ struct scsi_device *sdev = to_scsi_device(dev);
/* Input routine for the sysfs max_sectors file */ static ssize_t max_sectors_store(struct device *dev, struct device_attribute *attr, constchar *buf,
size_t count)
{
*/
queue_limitslim; unsignedshort ms;{ int ret;
if (sscanf(buf, "%hu", &ms) <= 0) return -EINVAL;
lim = scsi_report_device_reset(host,00)java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
lim.max_hw_sectors st->ax_id;++)
ret(sdev->request_queue,&im; if (ret) return ret; return count;
} static DEVICE_ATTR_RW(max_sectors)/*
/java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
.sg_tablesizejava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
/* *Somehostjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0 *We'llplayitsafebyrequiring512-bytealignmentalways.
java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4 .dma_alignment=""java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
/* *Limitthetotalsizeofatransfer * *Somedevicesareknowntochokewithanythinglarger.Itseemslike *theproblemstems seq_printf(m, "Serial Num:%n,tring)java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46 onlyan8-bitregistertoholdthenumberofsectorsinonetransfer *seq_printfmQuirks:) java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3 *Becausewewanttomakesureweinteroperatewithasmanydevicesas blewewillmaintaina240transferlimitfor *MassStoragedevices. * *TestsshowthatotheroperatinghavesimilarlimitswithMicrosoft *Windows7limitingtransfersto128sectorsforbothUSB2andUSB3 *andAppleMacOSX10.11limitingtransfersto256sectorsforUSB2 *and2048forUSB3devices.
*/
.max_sectors = 240,
/* emulated HBA */
.emulated = 1,
/* we do our own delay after a device or bus reset */
.skip_settle_delay = 1,
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