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/* Copyright (c) 1996-2004, Adaptec Corporation
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* - Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name of the Adaptec Corporation nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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//***************************************************************************
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// This file contains the function definitions for the dptConnection_C
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//Author: Doug Anderson
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//***************************************************************************
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//Include Files -------------------------------------------------------------
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#include "allfiles.hpp" // All engine include files
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#if !defined _DPT_UNIX && !defined _DPT_NETWARE && !defined _DPT_DOS
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void osdTargetOffline(uLONG HbaNum, uLONG Channel, uLONG TargetId, uLONG LUN);
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void osdTargetOffline(uLONG HbaNum, uLONG Channel, uLONG TargetId, uLONG LUN);
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//Function - dptConnection_C::newMgrZero() - start
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//===========================================================================
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// This function allocates a new absent driver manager as manager zero.
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//Global Variables Affected:
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//Remarks: (Side effects, Assumptions, Warnings...)
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//---------------------------------------------------------------------------
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dptCoreMgr_C * dptConnection_C::newMgrZero()
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// Create a SCSI driver
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dptManager_C *mgr_P = new dptDriver_C;
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// If an I/O method is supported...
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if ((mgr_P!=NULL) && (ioMethod!=DPT_IO_NONE))
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mgr_P->status.flags |= FLG_STAT_REAL;
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//dptConnection_C::newMgrZero() - end
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//Function - dptConnection_C::acquireCCB() - start
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//===========================================================================
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// This function returns a pointer to an engine CCB. A pointer to the
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//first CCB not in use is returned. If all CCBs are in use, a new CCB is
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//created and added to the end of the CCB list.
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//Global Variables Affected:
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//Remarks: (Side effects, Assumptions, Warnings...)
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//---------------------------------------------------------------------------
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engCCB_C * dptConnection_C::acquireCCB()
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// Get the first available CCB
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ccb_P = (engCCB_C *) ccbList.reset();
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while ((ccb_P!=NULL) && !found) {
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// Check if the CCB is in use
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if (!ccb_P->isInUse()) {
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// Indicate that the CCB is in use
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// Indicate that an available CCB was found
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ccb_P = (engCCB_C *) ccbList.next();
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// Allocate a new CCB
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ccb_P = (engCCB_C *) osdAlloc(sizeof(engCCB_C));
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// Allocate a new CCB
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ccb_P = new engCCB_C;
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// Initialize the CCB
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// Indicate that the CCB is in use
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// Add the new CCB to the end of the HBA's CCB list
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if (!ccbList.addEnd(ccb_P)) {
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// Re-initialize the CCB
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//dptConnection_C::acquireCCB() - end
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//Function - dptConnection_C::reserveEndOfDisks() - start
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//===========================================================================
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// This function attempts to reserve space at the end of all non-
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//removeable DASD devices. This space is used by DPT to store
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//configuration information, downloaded FW code...
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//Global Variables Affected:
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//Remarks: (Side effects, Assumptions, Warnings...)
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// 1. This function assumes that partition information has been obtained
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//---------------------------------------------------------------------------
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void dptConnection_C::reserveEndOfDisks()
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DEBUG_BEGIN(1, dptConnection_C::reserveEndOfDisks());
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dptObject_C *obj_P = (dptObject_C *) objectList.reset();
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while (obj_P!=NULL) {
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if (obj_P->isDevice()) {
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dev_P = (dptDevice_C *) obj_P;
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// If a non-removeable HBA physical DASD device...
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if ((dev_P->getLevel()==2) && (dev_P->getObjType()==DPT_SCSI_DASD) &&
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!dev_P->isComponent() && !dev_P->isRemoveable()) {
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// Determine how much space is currently reserved
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spaceReserved = dev_P->getMaxPhyLBA() - dev_P->getLastLBA();
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// SNI: To keep compatibility with other HBAs (Adaptec, Symbios ..)
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// we reserve only 1 block on normal SCSI disks.
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// More space is reserved on LSU creation.
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// See reserveTempSpace() and enableTempSpace().
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if (spaceReserved != 1) {
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dev_P->reserveEndOfDisk(1);
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DEBUG(1, PRT_DADDR(dev_P) << " RESERVED: old=" << spaceReserved << " new=" << \
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(int) (dev_P->getMaxPhyLBA() - dev_P->getLastLBA()));
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// At this place osdGetLBA() is called only to get the "MP.." name.
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// The spaceReserved value of SDI is ignored here. - michiz.
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dptHBA_C *hba_P = obj_P->myHBA_P();
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osdGetLBA(hba_P->getDrvrNum(), dev_P->getChan(), dev_P->getID(), &spaceReserved, dev_P->userBuff, (uLONG) dev_P->getMaxPhyLBA());
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// If insufficient blocks have been reserved...
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if (spaceReserved < RESERVED_SPACE_DISK) {
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// Determine how much space is not used by a valid
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uLONG availableSpace = dev_P->getMaxPhyLBA() - dev_P->getLastPartBlk();
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uSHORT spaceToReserve = 0;
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// If more space can be reserved...
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if (availableSpace > spaceReserved) {
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// Reserve up to RESERVED_SPACE_DISK blocks
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spaceToReserve = (availableSpace > RESERVED_SPACE_DISK) ? RESERVED_SPACE_DISK : (uSHORT) availableSpace;
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dev_P->reserveEndOfDisk(spaceToReserve);
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// tell the user how much space was reserved at the end of the disk for DPT stuff
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DEBUG(1, PRT_DADDR(dev_P) << " RESERVED: " << spaceToReserve);
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obj_P = (dptObject_C *) objectList.next();
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//dptConnection_C::reserveEndOfDisks() - end
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//Function - dptConnection_C::zapPartitions() - start
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//===========================================================================
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// This function destroys the partition table on all devices that
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//are flagged for partition table zapping.
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//Global Variables Affected:
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//Remarks: (Side effects, Assumptions, Warnings...)
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//---------------------------------------------------------------------------
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DPT_RTN_T dptConnection_C::zapPartitions()
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DPT_RTN_T retVal = MSG_RTN_COMPLETED;
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dptObject_C *obj_P = (dptObject_C *) objectList.reset();
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while (obj_P!=NULL) {
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// If this object is a device...
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if (obj_P->isDevice()) {
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dev_P = (dptDevice_C *) obj_P;
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// If the device is marked for partition zapping...
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if (dev_P->isPartitionMarked() && !dev_P->isComponent()) {
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// If a new SW array on a 4th Gen board...
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if ((dev_P->getRAIDtype()==0) && (dev_P->getLevel()==0) && !dev_P->myHBA_P()->isI2O())
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// Clear the component device partitions
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dev_P->zapCompPartitions();
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// Clear the partition table sector
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dev_P->zapPartition();
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// Clear the partition table zap indicator
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dev_P->clrPartitionZap();
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// Clear the new RAID-0 indicator
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dev_P->clrNewRAID0();
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obj_P = (dptObject_C *) objectList.next();
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//dptConnection_C::zapPartitions() - end
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//Function - dptConnection_C::genMagicNum() - start
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//===========================================================================
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// This function generates a unique magic number and guarantees
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//that no other object in this connection has the same magic number.
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//---------------------------------------------------------------------------
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uLONG dptConnection_C::genMagicNum()
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uLONG newMagicNum = 0x12345678L;
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// Assume no duplicates until one is found
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// Create the magic number
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newMagicNum = rand() & 0x7fff; // Bit #31 reserved by F/W
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newMagicNum |= rand() & 0xffff;
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// Insure the new magic number is unique
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dptObject_C *obj_P = (dptObject_C *) objectList.reset();
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if (newMagicNum == obj_P->getMagicNum()) {
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obj_P = (dptObject_C *) objectList.next();
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} while (duplicateFound);
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return (newMagicNum);
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//dptConnection_C::genMagicNum() - end
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//Function - dptConnection_C::setPrevOsVisibles() - start
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//===========================================================================
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// This function sets all devices flagged as OS visible to previously
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//---------------------------------------------------------------------------
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void dptConnection_C::setPrevOsVisibles()
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dptObject_C *obj_P = (dptObject_C *) objectList.reset();
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while (obj_P!=NULL) {
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if (obj_P->isDevice()) {
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dev_P = (dptDevice_C *) obj_P;
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if (dev_P->isOsVisible()) {
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dev_P->clrOsVisible();
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dev_P->setPrevOsVisible();
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dev_P->clrPrevOsVisible();
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obj_P = (dptObject_C *) objectList.next();
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//dptConnection_C::setPrevOsVisibles() - end
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//Function - dptConnection_C::lsuOffline() - start
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//===========================================================================
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// This function sets all devices flagged as OS visible to previously
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//---------------------------------------------------------------------------
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void dptConnection_C::lsuOffline()
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dptObject_C *obj_P = (dptObject_C *) objectList.reset();
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while (obj_P!=NULL) {
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if (obj_P->isDevice()) {
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dev_P = (dptDevice_C *) obj_P;
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if (!dev_P->isOsVisible() && dev_P->isPrevOsVisible()) {
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// Prepare the LSU to go offline
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osdTargetOffline((uLONG)dev_P->myHBA_P()->getDrvrNum(), (uLONG)dev_P->getChan(), (uLONG)dev_P->getID(), (uLONG)dev_P->getLUN());
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obj_P = (dptObject_C *) objectList.next();
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//dptConnection_C::lsuOffline() - end
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//Function - dptConnection_C::~dptConnection_C() - start
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//===========================================================================
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// This function is the destructor for the dptConnection_C class.
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//Global Variables Affected:
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//Remarks: (Side effects, Assumptions, Warnings...)
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//---------------------------------------------------------------------------
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dptConnection_C::~dptConnection_C()
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// If this connection is capable of I/O
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if (ioMethod!=DPT_IO_NONE)
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// Let the OS dependent layer know that the connection has
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osdDisconnected(ioMethod);
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engCCB_C *ccb_P = (engCCB_C *) ccbList.reset();
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while (ccb_P!=NULL) {
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ccb_P = (engCCB_C *) ccbList.next();
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//dptConnection_C::~dptConnection_C() - end
added
removed
raideng/connect.cpp
