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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: 3/8/01
*
*****************************************************************************
*
* File Name: RMWFlash.cpp
* Module:
* Contributors: Mark Salyzyn
* Description:
* Version Control:
*
* $Revision$
* $NoKeywords: $
* $Log$
* Revision 1.1.1.1 2004-04-29 10:20:14 bap
* Imported upstream version 0.0.4.
*
*****************************************************************************/
/*** INCLUDES ***/
#include "rmwflash.hpp"
#include "rscenum.h"
/* #define DEBUG_RMWFlash */
#if (defined(DEBUG_RMWFlash))
# include <io.h>
#endif
/*** CONSTANTS ***/
/*** TYPES ***/
/*** STATIC DATA ***/
/*** EXTERNAL DATA ***/
extern char* EventStrings[];
/*** MACROS ***/
/*** PROTOTYPES ***/
/*** FUNCTIONS ***/
RMWFlash::RMWFlash (int hbaNo, char *Data, int Region, unsigned long Offset, unsigned Size)
:hbaNum (hbaNo), data (Data), region (Region), offset (Offset), size (Size)
{
ENTER("RMWFlash::RMWFlash(");
EXIT();
}
RMWFlash::RMWFlash (const RMWFlash &new_RMWFlash)
{
ENTER("RMWFlash::RMWFlash (const RMWFlash &new_RMWFlash):");
hbaNum = new_RMWFlash.hbaNum;
data = new_RMWFlash.data;
region = new_RMWFlash.region;
offset = new_RMWFlash.offset;
size = new_RMWFlash.size;
EXIT();
}
RMWFlash::~RMWFlash()
{
ENTER( "RMWFlash::~RMWFlash()" );
EXIT();
}
static unsigned long
CheckSum(char * buffer, unsigned size)
{
unsigned long checksum;
for (checksum = 0; size > 0; ++buffer, --size)
{
checksum += *buffer & 0xFF;
}
return (checksum);
}
/*******************************************************
Main exe loop
*******************************************************/
Command::Dpt_Error RMWFlash::execute(String_List **output)
{
ENTER("Command::Dpt_Error RMWFlash::execute(String_List **output)");
Dpt_Error err;
bool more_Devs_Left = true;
DPT_TAG_T hbaTag;
Init_Engine(1);
*output = new String_List();
for (int dev_Index = 0; more_Devs_Left; dev_Index++)
{
hbaTag = Get_HBA_by_Index(dev_Index, &more_Devs_Left);
if (more_Devs_Left == 0)
{
break;
}
if (( hbaNum == -1 ) || ( hbaNum == dev_Index ))
{
unsigned long region_size = 8192;
switch (region) {
case 0: region_size = 2 * 1024L * 1024L; break;
case 1: region_size = 65536L; break;
case 2: region_size = 512L * 1024L; break;
case 3: region_size = 8192; break;
case 4: region_size = 8192; break;
}
char * original = new char[ region_size ];
if (original != NULL) {
// Send the command to the engine to set the region of flash memory to use.
engine->Reset();
engine->Insert((uLONG) region);
err = engine->Send(MSG_FLASH_SET_REGION, hbaTag);
if (err.Success())
{
// Send the command to the engine to read the flash memory.
engine->Reset();
engine->Insert((uLONG) 0);
engine->Insert((uLONG) region_size);
err = engine->Send(MSG_FLASH_READ, hbaTag);
// If the read succeeded then copy the data that was read from the flash
// memory into the caller's buffer.
if (err.Success())
{
engine->Extract(original, region_size);
# if (defined(DEBUG_RMWFlash))
{
int fd = creat ("before", 0777);
write (fd, original, (unsigned)region_size);
close (fd);
}
# endif
if (strcmp (data, "-") == 0)
{
char temp_Buf[ 256 ];
sprintf(temp_Buf, "%.*s\r\n", size, original + offset);
(**output).add_Item (temp_Buf);
continue;
}
engine->Reset();
engine->Insert((uLONG) region);
err = engine->Send(MSG_FLASH_SET_REGION, hbaTag);
if (err.Success())
{
/* Ideally we want the caller to specify the checksum handling, but for now ... */
switch (region) {
case 4:
if ((0x14 < offset) && (offset < 0x7F))
{
break;
}
*((unsigned long *)(&original[0x10])) += CheckSum (data, size) - CheckSum (original + offset, size);
case 0:
case 1:
case 2:
case 3:
break;
}
memcpy (original + offset, data, size);
# if (defined(DEBUG_RMWFlash))
{
int fd = creat ("after", 0777);
write (fd, original, (unsigned)region_size);
close (fd);
}
# endif
// Send the command to the engine to write the flash memory.
engine->Reset();
engine->Insert((void *)original, region_size);
err = engine->Send(MSG_FLASH_WR_NO_VERIFY, hbaTag);
if (err.Success())
{
// Send the command to the engine to stop writing flash memory.
engine->Reset();
err = engine->Send(MSG_FLASH_WRITE_DONE, hbaTag);
if (err.Success())
{
(**output).add_Item(EventStrings[STR_FLASH_COMPLETE]);
}
}
}
}
}
delete [] original;
if (err.Failure())
{
extern void Flush( String_List * );
char temp_Buf[ 256 ];
sprintf(temp_Buf,
EventStrings[STR_FLASH_ERR_MSG],
0L, (int)err, (char *)err);
(**output).add_Item (temp_Buf);
Flush (*output);
// Send the command to the engine to stop writing flash memory.
engine->Reset();
engine->Insert((uCHAR) 1);
err = engine->Send(MSG_FLASH_WRITE_DONE, hbaTag);
break;
}
} else {
err = Dpt_Error::DPT_ERR_NOT_ENOUGH_MEMORY;
break;
}
}
}
(**output).add_Item("\n");
return (err);
}
Command &RMWFlash::Clone() const
{
ENTER("Command &RMWFlash::Clone() const");
EXIT();
return(*new RMWFlash(*this));
}
/*** END OF FILE ***/
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