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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.
*/
/****************************************************************************
*
* Created: 12/18/98
*
*****************************************************************************
*
* File Name: SetCache.cpp
* Module:
* Contributors: Mark Salyzyn <salyzyn@dpt.com>
* Description:
* Version Control:
*
* $Revision$
* $NoKeywords: $
* $Log$
* Revision 1.1.1.1 2004-04-29 10:20:13 bap
* Imported upstream version 0.0.4.
*
*****************************************************************************/
/*** INCLUDES ***/
#include <stdio.h>
#include "setcache.hpp"
#include "rustring.h"
#include "ctlr_map.hpp"
#include "status.hpp"
#include "rscenum.h"
/*** CONSTANTS ***/
/*** TYPES ***/
/*** STATIC DATA ***/
/*** EXTERNAL DATA ***/
extern char* EventStrings[];
/*** MACROS ***/
/*** PROTOTYPES ***/
extern void Flush( String_List * );
extern void add_Unique_Item( Int_List *component_List, DPT_TAG_T component_Tag );
/*** FUNCTIONS ***/
SetCache::SetCache(
SCSI_Addr_List *addresses,
int on,
int rw
):
address_List( addresses )
{
ENTER( "SetCache::SetCache(" );
On = on;
RW = rw;
EXIT();
}
SetCache::SetCache( const SetCache &new_SetCache ):
address_List( new_SetCache.address_List )
{
ENTER( "SetCache::SetCache( const SetCache &new_SetCache ):" );
On = new_SetCache.On;
RW = new_SetCache.RW;
EXIT();
}
SetCache::~SetCache()
{
ENTER( "SetCache::~SetCache()" );
EXIT();
}
Command::Dpt_Error SetCache::execute( String_List **output )
{
ENTER( "Command::Dpt_Error SetCache::execute( String_List **output )" );
Dpt_Error err;
Dpt_Error totalErr;
DPT_TAG_T component_Tag;
Int_List component_List;
Init_Engine();
*output = new String_List();
address_List->reset_Next_Index();
while(address_List->num_Left())
{
SCSI_Address component;
bool more_Devs_Left = true;
component = address_List->get_Next_Item();
for (int dev_Index = 0; more_Devs_Left; dev_Index++)
{
get_Devs_Type devs_Type;
component_Tag = Get_Address_by_Index(
component, dev_Index, &more_Devs_Left, &devs_Type );
if ( !more_Devs_Left )
{
break;
}
if ((devs_Type != GET_SCSI_DASD) &&
(devs_Type != GET_RAID))
continue;
engine->Reset();
err = engine->Send( MSG_GET_INFO, component_Tag );
DPT_TAG_T tempTag = engine->devInfo_P->raidParent;
if ((tempTag == -1) && (!err.Is_Error()))
{
add_Unique_Item( &component_List, component_Tag );
}
}
}
component_List.reset_Next_Index();
if ( component_List.num_Left() == 0 )
{
totalErr |= Dpt_Error::DPT_CMD_ERR_CANT_FIND_COMPONENT;
(*output)->add_Item((char *)totalErr);
}
else
{
// Actually affect the drives/arrays
do
{
component_Tag = component_List.get_Next_Item();
char Buffer[ 256 ];
char check_byte;
// SetCache the drive
engine->Reset();
engine->Insert( (uCHAR) 0x08 );
engine->Insert( (uCHAR) 0x40 );
// get the page
err = engine->Send( MSG_GET_MODE_PAGE, component_Tag );
if( err.Is_Error() )
{
continue;
}
engine->Extract( Buffer, sizeof(Buffer) );
if ( On == 1 )
{
if ( RW & 1 )
{
Buffer[ 4 ] &= ~1;
}
if ( RW & 2 )
{
Buffer[ 4 ] |= 4;
}
}
else if ( On == 0 )
{
if ( RW & 1 )
{
Buffer[ 4 ] |= 1;
}
if ( RW & 2 )
{
Buffer[ 4 ] &= ~4;
}
}
check_byte = Buffer[4];
Buffer[ 0 ] = 0x40;
Buffer[ 1 ] = 0;
engine->Reset();
err = engine->Send( MSG_GET_INFO, component_Tag );
totalErr |= err;
if( !err.Is_Error() )
{
dptCaddr_S *addr_P = &engine->devInfo_P->addr;
DPTControllerMap map;
char * String = map.getTargetString(
addr_P->hba, addr_P->chan, addr_P->id, addr_P->lun );
(**output).add_Item( String );
delete [] String;
(**output).add_Item( " " );
get_Devs_Type devs_Type;
#ifndef _DPT_STRICT_ALIGN
devs_Type = (get_Devs_Type) (engine->devInfo_P->objType);
#else
// here's the story. "myTag" is of type DPT_TAG_T,
// current_P->type is of type uSHORT. On a big endian
// machine, we would be copying these two bytes into the
// high end position if we memcpy'ed straight into type
// from current_P->type, since it assumes the type's sizes
// to be the same. Ok, so now instead we memcpy to the
// same type (this gets away from the initial problem
// on Solaris, the bus error that occurs when copying
// from a boundary that isn't divisible by four). Then
// we move the temp_Type to the "type" variable, and
// the endianess is correct.
uSHORT temp_Type;
memcpy(&temp_Type, &engine->devInfo_P->objType, sizeof(uSHORT));
devs_Type = (get_Devs_Type)temp_Type;
#endif
if ( engine->devInfo_P->level <= 1 )
{
devs_Type = GET_RAID;
}
switch ( devs_Type )
{
case GET_RAID:
case GET_ARRAY:
switch( engine->devInfo_P->raidType )
{
case RAID_TYPE_0:
(**output).add_Item(EventStrings[STR_RAID_0]);
break;
case RAID_TYPE_1:
(**output).add_Item(EventStrings[STR_RAID_1]);
break;
case RAID_TYPE_5:
(**output).add_Item(EventStrings[STR_RAID_5]);
break;
case RAID_TYPE_HOT_SPARE:
(**output).add_Item(EventStrings[STR_RAID_HOT_SPARE]);
break;
case RAID_TYPE_REDIRECT:
(**output).add_Item(EventStrings[STR_RAID_REDIRECT]);
break;
default:
(**output).add_Item(EventStrings[STR_UNKNOWN]);
break;
}
break;
case GET_SCSI_DASD:
(**output).add_Item(EventStrings[STR_SCSI_DASD]);
break;
case GET_SCSI_SASD:
(**output).add_Item(EventStrings[STR_SCSI_SASD]);
break;
case GET_SCSI_WORM:
(**output).add_Item(EventStrings[STR_SCSI_WORM]);
break;
case GET_SCSI_JUKEBOX:
(**output).add_Item(EventStrings[STR_SCSI_JUKEBOX]);
break;
case GET_SCSI_CD_ROM:
(**output).add_Item(EventStrings[STR_SCSI_CD_ROM]);
break;
case GET_SCSI_OPTICAL:
(**output).add_Item(EventStrings[STR_SCSI_OPTICAL]);
break;
case GET_SCSI_PRINTER:
(**output).add_Item(EventStrings[STR_SCSI_PRINTER]);
break;
case GET_SCSI_PROCESSOR:
(**output).add_Item(EventStrings[STR_SCSI_PROCESSOR]);
break;
case GET_SCSI_SCANNER:
(**output).add_Item(EventStrings[STR_SCSI_SCANNER]);
break;
case GET_SCSI_HBA:
(**output).add_Item(EventStrings[STR_HBA]);
break;
case GET_SCSI_BCD:
(**output).add_Item(EventStrings[STR_SCSI_BRIDGE_CTLR]);
break;
case GET_RAID_BCD:
(**output).add_Item(EventStrings[STR_RAID_BRIDGE_CTLR]);
break;
default:
(**output).add_Item(EventStrings[STR_UNKNOWN]);
break;
}
}
if ( RW & 1 )
{
(**output).add_Item(EventStrings[STR_READ_CACHE]);
(**output).add_Item( (Buffer[ 4 ] & 1 ) ? EventStrings[STR_OFF] : EventStrings[STR_ON]);
}
if ( RW & 2 )
{
(**output).add_Item(EventStrings[STR_WRITE_CACHE]);
(**output).add_Item( (Buffer[ 4 ] & 4 ) ? EventStrings[STR_ON_WRITE_BACK] : EventStrings[STR_OFF_WRITE_THRU]);
/* If it is on, then check if the battery is affecting this */
if ( Buffer[ 4 ] & 4 )
{
// Only display a message if we have a forced write
// through bit set.
// Find the parent adapter, and ask it if it's battery
// is OK.
dptBatteryInfo_S batteryInfo;
DPT_TAG_T hbaTag;
if ((hbaTag = engine->devInfo_P->hbaTag) == 0)
{
hbaTag = engine->devInfo_P->attachedTo;
}
err = engine->Send( MSG_GET_BATTERY_INFO, hbaTag );
// don't save in totalErr - if board doesn't have battery, will return err
//totalErr |= err;
if( err.Is_Error()
|| ( engine->Extract( &batteryInfo, sizeof(batteryInfo) ) == 0 ))
{
memset (&batteryInfo, 0, sizeof(batteryInfo));
}
if( !err.Is_Error() && ( batteryInfo.flags & BATTERY_FLAG_FORCED_WRITE_THROUGH ))
{
// Based on whether or not we are in one of the
// following states display a message.
switch (batteryInfo.status)
{
case BATTERY_STAT_MAINTENANCE_DISCHARGE:
case BATTERY_STAT_MAINTENANCE_CHARGE:
case BATTERY_STAT_INIT_CHARGE:
case BATTERY_STAT_INIT_DISCHARGE:
case BATTERY_STAT_INIT_RECHARGE:
// Let the user know that the controller's
// cache is in write through mode because we
// are in a maint. or initial calibration
// operation.
(**output).add_Item (EventStrings[STR_OFF_DUE2_MAINT_OPER]);
break;
default:
// Let the user know that their battery is
// crapping out on them, because it has dropped
// below the Auto write through threshold and
// we are not in any type of calibration
// operation.
(**output).add_Item (EventStrings[STR_OFF_DUE2_BATTERY_COND]);
}
}
}
}
(**output).add_Item( "\n" );
if ( On < 0 )
{
continue;
}
engine->Reset();
engine->Insert( Buffer, sizeof(Buffer) );
err = engine->Send( MSG_SET_MODE_PAGE, component_Tag );
totalErr |= err;
if( err.Is_Error() )
{
// an error occurred, let's not count this as an error if the
// change was made
engine->Reset();
engine->Insert( (uCHAR) 0x08 );
engine->Insert( (uCHAR) 0x40 );
err = engine->Send( MSG_GET_MODE_PAGE, component_Tag );
engine->Extract( Buffer, sizeof(Buffer) );
if (Buffer[4] != check_byte)
(**output).add_Item(EventStrings[STR_ERR_NO_CHANGE]);
}
} while( component_List.num_Left() );
}
EXIT();
return( totalErr );
}
Command &SetCache::Clone() const
{
ENTER( "Command &SetCache::Clone() const" );
EXIT();
return( *new SetCache( *this ) );
}
/*** END OF FILE ***/
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