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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.
*/
#ifndef __DRIVER_HPP
#define __DRIVER_HPP
//File - DRIVER.HPP
//***************************************************************************
//
//Description:
//
// This file contains the class definitions for all DPT driver classes.
//
//Author: Doug Anderson
//Date: 3/25/93
//
//Editors:
//
//Remarks:
//
//
//***************************************************************************
//Class - dptSCSIdrvr_C::- start
//===========================================================================
//
//Description:
//
// This class defines a SCSI driver manager.
//
//Remarks: (Side effects, Assumptions, Warnings...)
//
//---------------------------------------------------------------------------
class dptSCSIdrvr_C : public dptManager_C
{
protected:
// Virtual Functions..................................
// Called prior to entering a device in the physical device list
// - Can be used to keep a sorted list
virtual DPT_RTN_T preEnterPhy(dptCoreObj_C *);
// Called prior to adding an object to the physical object list
// - Adds the HBA in priority level order
virtual uSHORT preAddPhy(dptCoreObj_C *obj_P);
// Called after a device has been added to the physical device
// list. Can be used to update object flags...
virtual void postAddPhy(dptCoreObj_C *);
// Performs post delete operations
// (Called prior to the object actually being deleted from memory)
virtual void postDelete(dptCoreObj_C *);
// Handles message processing for this class
virtual DPT_RTN_T handleMessage(DPT_MSG_T,dptBuffer_S *,dptBuffer_S *);
// Determine if the specified artificial object type is supported
virtual uSHORT isValidAbsentObj(uSHORT);
// Message Handlers...................................
// Returns this driver's DPT signature
DPT_RTN_T rtnDrvrSig(dptBuffer_S *);
// Returns system information
DPT_RTN_T rtnSysInfo(dptBuffer_S *);
// Set the system configuration
DPT_RTN_T setSysConfig(dptBuffer_S *,uSHORT=0);
public:
// Constructor/Destructor.............................
dptSCSIdrvr_C();
// Other Functions....................................
};
//dptSCSIdrvr_C - end
//Class - dptRAIDdrvr_C - start
//===========================================================================
//
//Description:
//
// This class defines a RAID driver.
//
//Remarks: (Side effects, Assumptions, Warnings...)
//
//---------------------------------------------------------------------------
class dptRAIDdrvr_C : public dptSCSIdrvr_C
{
// Other Functions....................................
// Sets up default RAID definitions
void setDefRAID();
protected:
// Data...............................................
// Bits indicate which HBA RAID ID numbers have been used
uLONG usedRAIDids;
// Virtual Functions..................................
// Called prior to entering a device in the logical device list
// - Sets the logical device's HBA pointer
virtual DPT_RTN_T preEnterLog(dptCoreDev_C *);
// Get the next available address for the specified RAID device
virtual void getRAIDaddr(dptRAIDdev_C *);
// Handles message processing for this class
virtual DPT_RTN_T handleMessage(DPT_MSG_T,dptBuffer_S *,dptBuffer_S *);
public:
// Constructor/Destructor.............................
dptRAIDdrvr_C();
// Virtual Functions..................................
// Determines if this manager is capable of configuring RAID devices
virtual uSHORT isRAIDcapable() { return (1); }
};
//dptRAIDdrvr_C - end
//Class - dptDriver_C - start
//===========================================================================
//
//Description:
//
// This class is the highest level DPT driver class.
//
//Remarks: (Side effects, Assumptions, Warnings...)
//
//---------------------------------------------------------------------------
class dptDriver_C : public dptRAIDdrvr_C
{
// Virtual Functions..................................
// Set device physical array page (PAP) information
virtual DPT_RTN_T setPAPinfo(dptDevice_C *dev_P=NULL);
protected:
// Virtual Functions..................................
// Handles message processing for this class
virtual DPT_RTN_T handleMessage(DPT_MSG_T,dptBuffer_S *,dptBuffer_S *);
// Finds this manager's physical objects
virtual uSHORT findMyPhysicals();
// Finds this manager's logical objects
virtual uSHORT findMyLogicals();
// Return the logical array page used
virtual uSHORT getLAPpage() { return (LAP_DPT2); }
// Finds a component device
virtual dptDevice_C * findComponent(dptAddr_S,uSHORT=0,uLONG=0, dptCoreList_C *list_P=NULL);
// Initializes all HBAs
virtual void initHBAs();
// Message Handlers...................................
// Save the current configuration to hardware
DPT_RTN_T raidHwEnable();
// Scans system hardware to find all SCSI objects in the system
DPT_RTN_T scanSystem(uSHORT=0);
// Delete all emulated drives from the system
DPT_RTN_T delAllEmulation();
// Other Functions....................................
// Check all LSUs for a valid partition table
void findLSUpartitions();
// Assign RAID ID numbers to all HBA's that don't already have one
void assignRAIDids();
// Flag all the driver's logical devices as OS visible
void setOsVisibles();
public:
// Adjust a CCB as necessary and pass it on to the next manager
virtual DPT_RTN_T passCCB(engCCB_C *);
};
//dptDriver_C - end
#endif
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