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/* Copyright (c) 1996-2004, Adaptec Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the Adaptec Corporation nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
//File - OBJECT.CPP
//***************************************************************************
//
//Description:
//
// This file contains function definitions for the dptObject_C class.
//
//Author: Doug Anderson
//Date: 4/12/93
//
//Editors:
//
//Remarks:
//
//
//***************************************************************************
#include "allfiles.hpp"
// Engine testing specific (RTS)
extern "C" {
extern int EngineTest;
}
//Function - dptObject_C::selfInquiry() - start
//===========================================================================
//
//Description:
//
// This function performs a SCSI inquiry for this object and
//initializes this object's data structures from the inquiry data.
//
//Parameters:
//
//Return Value:
//
//Global Variables Affected:
//
//Remarks: (Side effects, Assumptions, Warnings...)
//
//
//---------------------------------------------------------------------------
uSHORT dptObject_C::selfInquiry()
{
uSHORT periphDevType = DPT_SCSI_DASD;
engCCB_C *ccb_P = getCCB();
if (ccb_P!=NULL) {
// Initialize the CCB for a SCSI Inquiry command
ccb_P->inquiry();
// Target the CCB for this manager
ccb_P->target(this);
// Send the CCB to HW
if (launchCCB(ccb_P)==MSG_RTN_COMPLETED)
// Initialize this object using the SCSI inquiry data
periphDevType = inquiryInit((sdInquiry_S *) ccb_P->defData);
// Free the CCB
ccb_P->clrInUse();
}
// Return the peripheral device type
return (periphDevType);
}
//dptObject_C::selfInquiry() - end
//Function - dptObject_C::inquiryInit() - start
//===========================================================================
//
//Description:
//
// This function initializes this object from the specified SCSI
//inquiry structure.
//
//---------------------------------------------------------------------------
uSHORT dptObject_C::inquiryInit(sdInquiry_S *inq_P)
{
// Get the peripheral device type
uSHORT periphDevType = inq_P->getPeripheral() & 0x1f;
// Copy the version byte
descr.version = inq_P->getVersion();
// Copy the capabilities flags
descr.inqFlag1 = inq_P->getMiscFlag1();
descr.inqFlag2 = inq_P->getMiscFlag2();
// Copy the ASCII description data
memcpy(descr.vendorID,inq_P->getVendorID(),8);
memcpy(descr.productID,inq_P->getProductID(),16);
memcpy(descr.revision,inq_P->getRevision(),4);
memcpy(descr.vendorExtra,inq_P->getVendorExtra(),20);
descr.terminate();
// Check for removable media
if (inq_P->getDevType() & DEVTYPE_RMB)
setRemovable();
// look for SAF-TE in the vendor extra field or the product ID
if (memcmp(inq_P->getVendorExtra()+8, "SAF-TE", 6) == 0)
setSAFTE();
if (inq_P->getReserved2() & MISC_ENCSERV)
setSES();
char *magicSig_P;
uCHAR sigOffset=inq_P->getLength();
if (sigOffset < 0x0c) {
sigOffset -= 0x0c;
sigOffset += 5;
magicSig_P = ((char *) inq_P) + sigOffset;
} else
sigOffset -= 7;
magicSig_P = ((char *) inq_P) + sigOffset;
// If there is a DPT magic number...
if (memcmp(magicSig_P,"DPTMAGIC",8) == 0) {
magicNum = getU4(inq_P,sigOffset + 8);
osdSwap4(&magicNum);
magicNum &= 0x7fffffff;
}
/*char *magicSig_P = ((char *) inq_P) + inq_P->getLength() - 7;
// If there is a DPT magic number...
if (memcmp(magicSig_P,"DPTMAGIC",8) == 0) {
magicNum = getU4(inq_P,inq_P->getLength() + 1);
osdSwap4(&magicNum);
magicNum &= 0x7fffffff;
}*/
return (periphDevType);
}
//dptObject_C::inquiryInit() - end
//Function - dptObject_C::handleMessage() - start
//===========================================================================
//
//Description:
//
// This routine handles DPT events for this class.
//
//Parameters:
//
//Return Value:
//
//Global Variables Affected:
//
//Remarks: (Side effects, Assumptions, Warnings...)
//
//
//---------------------------------------------------------------------------
DPT_RTN_T dptObject_C::handleMessage(DPT_MSG_T message,
dptBuffer_S *fromEng_P,
dptBuffer_S *toEng_P
)
{
DPT_RTN_T retVal = MSG_RTN_IGNORED;
switch (message) {
// Get the specified log page from this object
case MSG_GET_LOG_PAGE:
retVal = modeLogSense(toEng_P,fromEng_P,1);
break;
// Get the specified mode page from this object
case MSG_GET_MODE_PAGE:
retVal = modeLogSense(toEng_P,fromEng_P,0);
break;
// Send the specified mode page to this object
case MSG_SET_MODE_PAGE:
retVal = doModeSelect(toEng_P);
break;
// Send the specified SCSI command to this object
case MSG_SCSI_CMD:
retVal = scsiPassThru(toEng_P,fromEng_P);
break;
// Issue a SCSI reserve command to this device
case MSG_RESERVE_DEVICE:
retVal = reserveDevice();
break;
// Issue a SCSI release command to this device
case MSG_RELEASE_DEVICE:
retVal = releaseDevice();
break;
default:
// Call base class event handler
retVal = dptSCSIobj_C::handleMessage(message,fromEng_P,toEng_P);
break;
} // end switch
return (retVal);
}
//dptObject_C::handleMessage() - end
//Function - dptObject_C::reserveDevice() - start
//===========================================================================
//Description:
// This function issues a SCSI reserve command to the object to
//request the controller gain exclusive access to the object. This
//command should target LSUs or the controller itself to reserve
//all LSUs on the controller.
//---------------------------------------------------------------------------
DPT_RTN_T dptObject_C::reserveDevice()
{
DPT_RTN_T retVal = MSG_RTN_FAILED | ERR_GET_CCB;
// Get a CCB
engCCB_C *ccb_P = getCCB();
if (ccb_P!=NULL) {
// Issue a SCSI reserve command
ccb_P->reserve();
// Target this object
ccb_P->target(this);
// Send the CCB to hardware
retVal = launchCCB(ccb_P);
// If this object is a device...
if (isDevice()) {
dptDevice_C *dev_P = (dptDevice_C *) this;
if (ccb_P->scsiStatus == 0x18) {
dev_P->setResConflict();
}
else {
dev_P->clrResConflict();
}
}
// Free the CCB
ccb_P->clrInUse();
}
return (retVal);
}
//dptObject_C::reserveDevice() - end
//Function - dptObject_C::releaseDevice() - start
//===========================================================================
//Description:
// This function issues a SCSI release command to the object to
//request the controller release exclusive access to the object. This
//command should target LSUs or the controller itself to release
//all LSUs on the controller.
//---------------------------------------------------------------------------
DPT_RTN_T dptObject_C::releaseDevice()
{
DPT_RTN_T retVal = MSG_RTN_FAILED | ERR_GET_CCB;
// Get a CCB
engCCB_C *ccb_P = getCCB();
if (ccb_P!=NULL) {
// Issue a SCSI reserve command
ccb_P->release();
// Target this object
ccb_P->target(this);
// Send the CCB to hardware
retVal = launchCCB(ccb_P);
// Free the CCB
ccb_P->clrInUse();
}
return (retVal);
}
//dptObject_C::releaseDevice() - end
//Function - dptObject_C::scsiPassThru() - start
//===========================================================================
//
//Description:
//
// This function sends the specified SCSI command to this object.
//
//Parameters:
//
//Return Value:
//
//Global Variables Affected:
//
//Remarks: (Side effects, Assumptions, Warnings...)
//
//
//---------------------------------------------------------------------------
DPT_RTN_T dptObject_C::scsiPassThru(dptBuffer_S *toEng_P,
dptBuffer_S *fromEng_P
)
{
DPT_RTN_T retVal = MSG_RTN_DATA_UNDERFLOW;
uCHAR *data_P = NULL;
uSHORT eataFlags;
uLONG dataLength;
// Insure that all required input data exists
if (toEng_P->writeIndex>=18) {
// Get the EATA flags
toEng_P->extract(eataFlags);
// Get the # of data bytes to be transfered
toEng_P->extract(dataLength);
// If both data input and data output...
if ((eataFlags & CP_DATA_IN) && (eataFlags & CP_DATA_OUT))
retVal = MSG_RTN_FAILED | ERR_DATA_IN_OUT;
// If data input...
else if (eataFlags & CP_DATA_IN) {
retVal = MSG_RTN_DATA_OVERFLOW;
if (fromEng_P->allocSize>=dataLength) {
retVal = MSG_RTN_COMPLETED;
data_P = fromEng_P->data;
}
}
// If data output...
else if (eataFlags & CP_DATA_OUT) {
retVal = MSG_RTN_DATA_UNDERFLOW;
if ((toEng_P->allocSize-18)>=dataLength) {
retVal = MSG_RTN_COMPLETED;
data_P = toEng_P->data+18;
}
}
else
retVal = MSG_RTN_COMPLETED;
if (retVal==MSG_RTN_COMPLETED) {
retVal = MSG_RTN_FAILED | ERR_GET_CCB;
// Get a CCB
engCCB_C *ccb_P = getCCB();
if (ccb_P!=NULL) {
// Set the SCSI CDB
toEng_P->extract(ccb_P->eataCP.scsiCDB,12);
// Target this object
ccb_P->target(this);
// Set the EATA CP flags byte
ccb_P->eataCP.flags |= eataFlags & 0xe3;
// If the physical bit should not be set
if (eataFlags & 0x0100)
ccb_P->setNoEATAphys();
// If this is a RAID command
if (eataFlags & 0x8000)
// Set the appropriate RAID bits
ccb_P->setRAIDcmd();
// If there is data transfer...
if (data_P!=NULL)
// Set the data pointer
ccb_P->setDataBuff(ptrToLong(data_P),dataLength);
// Send the CCB to hardware
retVal = launchCCB(ccb_P);
if (retVal == MSG_RTN_COMPLETED) {
// If data was returned
if (eataFlags & CP_DATA_IN) {
// Set the buffer write index
fromEng_P->writeIndex = dataLength;
}
}
// Code specific to testing engine via RTS
else if( EngineTest && ( ccb_P->scsiStatus == 2 ) && ( fromEng_P != NULL ) )
{
memcpy( fromEng_P->data, ccb_P->defReqSense, DEFAULT_REQ_SENSE_SIZE );
}
// Free the CCB
ccb_P->clrInUse();
} // end if (ccb_P!=NULL)
} // end if (retVal==MSG_RTN_COMPLETED)
} // if (toEng_P->writeIndex>=18)
return (retVal);
}
//dptObject_C::scsiPassThru() - end
//Function - dptObject_C::modeLogSense() - start
//===========================================================================
//
//Description:
//
// This function issues a mode sense or log sense command to this object.
//
//Parameters:
//
//Return Value:
//
//Global Variables Affected:
//
//Remarks: (Side effects, Assumptions, Warnings...)
//
//
//---------------------------------------------------------------------------
DPT_RTN_T dptObject_C::modeLogSense(dptBuffer_S *toEng_P,
dptBuffer_S *fromEng_P,
uSHORT senseType
)
{
DPT_RTN_T retVal = MSG_RTN_DATA_UNDERFLOW;
uCHAR page,lFlags;
uSHORT ppOffset;
uCHAR controlByte = 0;
uCHAR unused = 0;
// Get the log page code
toEng_P->extract(page);
// Get the flags byte
if (toEng_P->extract(lFlags)) {
// Get the optional parameter pointer/offset
if (!toEng_P->extract(ppOffset)) {
ppOffset = 0;
}
// Get the optional control byte
toEng_P->extract(controlByte);
// If log sense...
if (senseType) {
// If the Read & Clear bit is set, ensure the SP bit is cleared
if (controlByte & 0x40) {
if (lFlags & 0x01) {
retVal = ERR_ELOG_NON_ZERO_SP;
}
else if (ppOffset) {
retVal = ERR_ELOG_NON_ZERO_OFFSET;
}
}
// If no other errors...
if (retVal == MSG_RTN_DATA_UNDERFLOW) {
// Issue the log sense command
retVal = doLogSense(fromEng_P,page,lFlags,(uLONG)ppOffset, 0, controlByte);
}
}
else
// Issue the mode sense command
retVal = doModeSense(fromEng_P,page,lFlags);
} // end if (toEng_P->extract(lFlags))
return (retVal);
}
//dptObject_C::modeLogSense() - end
//Function - dptObject_C::doLogSense() - start
//===========================================================================
//
//Description:
//
// This function issues a SCSI log sense command to this device.
//
//Parameters:
//
//Return Value:
//
//Global Variables Affected:
//
//Remarks: (Side effects, Assumptions, Warnings...)
//
//
//---------------------------------------------------------------------------
DPT_RTN_T dptObject_C::doLogSense(dptBuffer_S *fromEng_P,
uCHAR pageCode,
uCHAR inFlags,
uLONG ppOffset,
uSHORT eventLogRequest,
uCHAR controlByte
)
{
DPT_RTN_T retVal = MSG_RTN_FAILED | ERR_GET_CCB;
// Get a CCB
engCCB_C *ccb_P = getCCB();
if (ccb_P!=NULL) {
// Set the data buffer
ccb_P->setDataBuff(ptrToLong(fromEng_P->data),fromEng_P->allocSize);
// Target this object
ccb_P->target(this);
// If the physical bit should not be set...
if (inFlags & 0x20) {
ccb_P->setNoEATAphys();
inFlags &= ~0x20;
}
// If this is an event log command...
if (eventLogRequest)
// Indicate that this is an event logger command
ccb_P->setLoggerCmd(ppOffset);
// Determine the buffer alloc size
uSHORT logSenseAlloc = (fromEng_P->allocSize > 0xffffL) ? 0xffff : (uSHORT) fromEng_P->allocSize;
// Initialize the CCB to perform a SCSI log sense
ccb_P->logSense(pageCode,inFlags,logSenseAlloc,(uSHORT)ppOffset, controlByte);
// Send the CCB to hardware
retVal = launchCCB(ccb_P);
if (retVal == MSG_RTN_COMPLETED) {
fromEng_P->writeIndex = ccb_P->dataBuff_P[3];
fromEng_P->writeIndex |= ((uSHORT)ccb_P->dataBuff_P[2]) << 8;
#ifdef _SINIX
// SNI Fix: when no logger data return error to avoid looping dptmgr
if (fromEng_P->writeIndex == 0)
retVal = MSG_RTN_DATA_UNDERFLOW;
#endif
fromEng_P->writeIndex += 4;
}
// Free the CCB
ccb_P->clrInUse();
} // end if (ccb_P!=NULL)
return (retVal);
}
//dptObject_C::doLogSense() - end
//Function - dptObject_C::doModeSense() - start
//===========================================================================
//
//Description:
//
// This function issues a SCSI mode sense command to this device.
//
//Parameters:
//
//Return Value:
//
//Global Variables Affected:
//
//Remarks: (Side effects, Assumptions, Warnings...)
//
//
//---------------------------------------------------------------------------
DPT_RTN_T dptObject_C::doModeSense(dptBuffer_S *fromEng_P,
uCHAR pageCode,
uCHAR inFlags
)
{
DPT_RTN_T retVal = MSG_RTN_FAILED | ERR_GET_CCB;
// Get a CCB
engCCB_C *ccb_P = getCCB();
if (ccb_P!=NULL) {
// Target this object
ccb_P->target(this);
// If the physical bit should not be set...
if (inFlags & 0x20) {
ccb_P->setNoEATAphys();
inFlags &= ~0x20;
}
// If use a 10 byte
if (inFlags & 0x80)
// 10 byte mode sense CDB
ccb_P->modeSense(pageCode,inFlags,0,DEFAULT_DATA_SIZE);
else
// 6 byte mode sense CDB
ccb_P->modeSense6(pageCode,inFlags,0);
// If the interpret bit should be set...
if (inFlags & 0x40)
ccb_P->setInterpret();
// Send the CCB to hardware
retVal = launchCCB(ccb_P);
if (retVal == MSG_RTN_COMPLETED) {
retVal = MSG_RTN_DATA_OVERFLOW;
uSHORT rtnLength = 0;
// Return zero in the first 2 bytes for mode select compatability
fromEng_P->insert(rtnLength);
// If a 10 byte CDB was sent...
if (inFlags & 0x80) {
rtnLength = *((uSHORT *)ccb_P->defData);
reverseBytes(rtnLength);
if (fromEng_P->insert(ccb_P->defData+8,rtnLength-6))
retVal = MSG_RTN_COMPLETED;
}
// If a 6 byte CDB was sent...
else if (fromEng_P->insert(ccb_P->defData+4,ccb_P->defData[0]-3))
retVal = MSG_RTN_COMPLETED;
}
// Free the CCB
ccb_P->clrInUse();
} // end if (ccb_P!=NULL)
return (retVal);
}
//dptObject_C::doModeSense() - end
//Function - dptObject_C::doModeSelect() - start
//===========================================================================
//
//Description:
//
// This function issues a SCSI mode sense command to this device.
//
//Parameters:
//
//Return Value:
//
//Global Variables Affected:
//
//Remarks: (Side effects, Assumptions, Warnings...)
//
//
//---------------------------------------------------------------------------
DPT_RTN_T dptObject_C::doModeSelect(dptBuffer_S *toEng_P)
{
uCHAR inFlags;
DPT_RTN_T retVal = MSG_RTN_DATA_UNDERFLOW;
// Insure that the minimum amount of data was specified...
if (toEng_P->writeIndex>=4) {
retVal = MSG_RTN_FAILED | ERR_GET_CCB;
// Get a CCB
engCCB_C *ccb_P = getCCB();
if (ccb_P!=NULL) {
// Get the flags word
toEng_P->extract(inFlags);
// Toggle the page format and save page bits
inFlags ^= 0x03;
// Skip the unused byte
toEng_P->skip(1);
// Get the amount of valid mode page data
uSHORT dataLength = (uSHORT) toEng_P->writeIndex - 2;
// Clear the first 8 bytes (mode header) of the output data buffer
memset(ccb_P->defData,0,8);
// Target this object
ccb_P->target(this);
// If the physical bit should not be set...
if (inFlags & 0x20) {
ccb_P->setNoEATAphys();
inFlags &= ~0x20;
}
// If use a 10 byte...
if ((inFlags & 0x80) || (dataLength > (0xff-4))) {
// If the data is larger than the output buffer...
if (dataLength > (DEFAULT_DATA_SIZE-8))
return (MSG_RTN_DATA_OVERFLOW);
// 10 byte mode sense CDB
ccb_P->modeSelect(0,dataLength,inFlags & 0x3f);
// Copy the mode select data into the output buffer
memcpy(ccb_P->defData+8,toEng_P->data+2,dataLength);
}
else {
// 6 byte mode sense CDB
ccb_P->modeSelect6(0,dataLength,inFlags & 0x3f);
// Copy the mode select data into the output buffer
memcpy(ccb_P->defData+4,toEng_P->data+2,dataLength);
}
// If the interpret bit should be set...
if (inFlags & 0x40)
ccb_P->setInterpret();
// Send the CCB to hardware
retVal = launchCCB(ccb_P);
// Free the CCB
ccb_P->clrInUse();
} // end if (ccb_P!=NULL)
}
return (retVal);
}
//dptObject_C::doModeSelect() - end
//Function - dptObject_C::addRWstats() - start
//===========================================================================
//
//Description:
//
// This function gets the read/write statistics for this object
//and adds them to the stats at the specified buffer.
//
//Parameters:
//
//Return Value:
//
//Global Variables Affected:
//
//Remarks: (Side effects, Assumptions, Warnings...)
//
//
//---------------------------------------------------------------------------
DPT_RTN_T dptObject_C::addRWstats(DPT_UNALIGNED uLONG *statBuff_P,uCHAR savePage)
{
DPT_RTN_T retVal = MSG_RTN_FAILED | ERR_GET_CCB;
engCCB_C *ccb_P = getCCB();
if (ccb_P!=NULL) {
// Initialize the CCB to get this device's statistics
ccb_P->logSense(0x32,savePage);
// Target this device
ccb_P->target(this);
// The HBA should interpret this command
ccb_P->setInterpret();
// Send the CCB to hardware
retVal = launchCCB(ccb_P);
if ((retVal == MSG_RTN_COMPLETED) && (statBuff_P != NULL)) {
DPT_UNALIGNED uLONG *newStat_P;
uSHORT i,startOffset,numLongs;
dptDevStatLog_C devStat;
// Initialize the return data (reverse bytes)
devStat.initSense(ccb_P->defData,1);
// Add this device's statistics to the return data
while (devStat.isValidParam()) {
// Check for a known parameter code
if ((devStat.code() >= 1) && (devStat.code() <= 7)) {
switch (devStat.code()) {
case 1:
numLongs = sizeof(readStats_S)>>2;
startOffset = 0;
break;
case 2:
numLongs = sizeof(rwSizeStats_S)>>2;
startOffset = sizeof(readStats_S)>>2;
break;
case 3:
numLongs = sizeof(writeStats_S)>>2;
startOffset = (sizeof(readStats_S)+
sizeof(rwSizeStats_S))>>2;
break;
case 4:
numLongs = sizeof(rwSizeStats_S)>>2;
startOffset = (sizeof(readStats_S)+
sizeof(rwSizeStats_S) +
sizeof(writeStats_S))>>2;
break;
case 5:
numLongs = sizeof(miscDevStats_S)>>2;
startOffset = (sizeof(readStats_S)+
sizeof(rwSizeStats_S) +
sizeof(writeStats_S) +
sizeof(rwSizeStats_S))>>2;
break;
case 6:
numLongs = sizeof(rwSizeStat2_S)>>2;
startOffset = (sizeof(readStats_S)+
sizeof(rwSizeStats_S) +
sizeof(writeStats_S) +
sizeof(rwSizeStats_S) +
sizeof(miscDevStats_S))>>2;
break;
case 7:
numLongs = sizeof(rwSizeStat2_S)>>2;
startOffset = (sizeof(readStats_S)+
sizeof(rwSizeStats_S) +
sizeof(writeStats_S) +
sizeof(rwSizeStats_S) +
sizeof(miscDevStats_S) +
sizeof(rwSizeStat2_S))>>2;
break;
}
newStat_P = (uLONG *) devStat.data_P();
// Add the new statistics to the return statistics
for (i=0;i<numLongs;i++)
statBuff_P[startOffset+i] += newStat_P[i];
}
// Get the next parameter
devStat.next();
} // end while (devStat.isValidParam())
} // end if (retVal==MSG_RTN_COMPLETED)
// Free the CCB
ccb_P->clrInUse();
} // end if (ccb_P!=NULL)
return (retVal);
}
//dptObject_C::addRWstats() - end
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