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Cosmos-OpenSSD committed Jan 3, 2017
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674 changes: 674 additions & 0 deletions LICENSE

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1 change: 1 addition & 0 deletions README.md
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# Cosmos-OpenSSD
127 changes: 127 additions & 0 deletions Source/Firmware/GreedyFTL-1.4.0/ata.h
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//////////////////////////////////////////////////////////////////////////////////
// ata.h for Cosmos OpenSSD
// Copyright (c) 2014 Hanyang University ENC Lab.
// Contributed by Yong Ho Song <yhsong@enc.hanyang.ac.kr>
// Youngjin Jo <yjjo@enc.hanyang.ac.kr>
// Sangjin Lee <sjlee@enc.hanyang.ac.kr>
//
// This file is part of Cosmos OpenSSD.
//
// Cosmos OpenSSD is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 3, or (at your option)
// any later version.
//
// Cosmos OpenSSD is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Cosmos OpenSSD; see the file COPYING.
// If not, see <http://www.gnu.org/licenses/>.
//////////////////////////////////////////////////////////////////////////////////

//////////////////////////////////////////////////////////////////////////////////
// Company: ENC Lab. <http://enc.hanyang.ac.kr>
// Engineer: Sangjin Lee <sjlee@enc.hanyang.ac.kr>
//
// Project Name: Cosmos OpenSSD
// Design Name: ATA
// File Name: ata.h
//
// Version: v1.0.0
//
// Description:
// - Defining IDE commands, parameters, statuses and errors.
//////////////////////////////////////////////////////////////////////////////////

//////////////////////////////////////////////////////////////////////////////////
// Revision History:
//
// * v1.0.0
// - First draft
//////////////////////////////////////////////////////////////////////////////////

#ifndef __ATA_H__
#define __ATA_H__

// IDE command definitions
#define IDE_COMMAND_NOP 0x00
#define IDE_COMMAND_DATA_SET_MANAGEMENT 0x06
#define IDE_COMMAND_ATAPI_RESET 0x08
#define IDE_COMMAND_READ 0x20
#define IDE_COMMAND_READ_EXT 0x24
#define IDE_COMMAND_READ_DMA_EXT 0x25
#define IDE_COMMAND_READ_DMA_QUEUED_EXT 0x26
#define IDE_COMMAND_READ_MULTIPLE_EXT 0x29
#define IDE_COMMAND_WRITE 0x30
#define IDE_COMMAND_WRITE_EXT 0x34
#define IDE_COMMAND_WRITE_DMA_EXT 0x35
#define IDE_COMMAND_WRITE_DMA_QUEUED_EXT 0x36
#define IDE_COMMAND_WRITE_MULTIPLE_EXT 0x39
#define IDE_COMMAND_WRITE_DMA_FUA_EXT 0x3D
#define IDE_COMMAND_WRITE_DMA_QUEUED_FUA_EXT 0x3E
#define IDE_COMMAND_VERIFY 0x40
#define IDE_COMMAND_VERIFY_EXT 0x42
#define IDE_COMMAND_EXECUTE_DEVICE_DIAGNOSTIC 0x90
#define IDE_COMMAND_SET_DRIVE_PARAMETERS 0x91
#define IDE_COMMAND_ATAPI_PACKET 0xA0
#define IDE_COMMAND_ATAPI_IDENTIFY 0xA1
#define IDE_COMMAND_SMART 0xB0
#define IDE_COMMAND_READ_MULTIPLE 0xC4
#define IDE_COMMAND_WRITE_MULTIPLE 0xC5
#define IDE_COMMAND_SET_MULTIPLE 0xC6
#define IDE_COMMAND_READ_DMA 0xC8
#define IDE_COMMAND_WRITE_DMA 0xCA
#define IDE_COMMAND_WRITE_DMA_QUEUED 0xCC
#define IDE_COMMAND_WRITE_MULTIPLE_FUA_EXT 0xCE
#define IDE_COMMAND_GET_MEDIA_STATUS 0xDA
#define IDE_COMMAND_DOOR_LOCK 0xDE
#define IDE_COMMAND_DOOR_UNLOCK 0xDF
#define IDE_COMMAND_STANDBY_IMMEDIATE 0xE0
#define IDE_COMMAND_IDLE_IMMEDIATE 0xE1
#define IDE_COMMAND_CHECK_POWER 0xE5
#define IDE_COMMAND_SLEEP 0xE6
#define IDE_COMMAND_FLUSH_CACHE 0xE7
#define IDE_COMMAND_FLUSH_CACHE_EXT 0xEA
#define IDE_COMMAND_IDENTIFY 0xEC
#define IDE_COMMAND_MEDIA_EJECT 0xED
#define IDE_COMMAND_SET_FEATURE 0xEF
#define IDE_COMMAND_SECURITY_FREEZE_LOCK 0xF5
#define IDE_COMMAND_NOT_VALID 0xFF

// Set features parameter list
#define IDE_FEATURE_ENABLE_WRITE_CACHE 0x02
#define IDE_FEATURE_SET_TRANSFER_MODE 0x03
#define IDE_FEATURE_ENABLE_SATA_FEATURE 0x10
#define IDE_FEATURE_DISABLE_MSN 0x31
#define IDE_FEATURE_DISABLE_REVERT_TO_POWER_ON 0x66
#define IDE_FEATURE_DISABLE_WRITE_CACHE 0x82
#define IDE_FEATURE_DISABLE_SATA_FEATURE 0x90
#define IDE_FEATURE_ENABLE_MSN 0x95

// IDE status definitions
#define IDE_STATUS_ERROR 0x01
#define IDE_STATUS_INDEX 0x02
#define IDE_STATUS_CORRECTED_ERROR 0x04
#define IDE_STATUS_DRQ 0x08
#define IDE_STATUS_DSC 0x10
#define IDE_STATUS_DRDY 0x40
#define IDE_STATUS_IDLE 0x50
#define IDE_STATUS_BUSY 0x80

// IDE error definitions
#define IDE_ERROR_NOTHING 0x00
#define IDE_ERROR_BAD_BLOCK 0x80
#define IDE_ERROR_CRC_ERROR IDE_ERROR_BAD_BLOCK
#define IDE_ERROR_DATA_ERROR 0x40
#define IDE_ERROR_MEDIA_CHANGE 0x20
#define IDE_ERROR_ID_NOT_FOUND 0x10
#define IDE_ERROR_MEDIA_CHANGE_REQ 0x08
#define IDE_ERROR_COMMAND_ABORTED 0x04
#define IDE_ERROR_END_OF_MEDIA 0x02
#define IDE_ERROR_ILLEGAL_LENGTH 0x01
#define IDE_ERROR_ADDRESS_NOT_FOUND IDE_ERROR_ILLEGAL_LENGTH

#endif /* __ATA_H__ */
107 changes: 107 additions & 0 deletions Source/Firmware/GreedyFTL-1.4.0/ftl.c
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//////////////////////////////////////////////////////////////////////////////////
// ftl.c for Cosmos OpenSSD
// Copyright (c) 2014 Hanyang University ENC Lab.
// Contributed by Yong Ho Song <yhsong@enc.hanyang.ac.kr>
// Gyeongyong Lee <gylee@enc.hanyang.ac.kr>
// Jaewook Kwak <jwkwak@enc.hanyang.ac.kr>
//
// This file is part of Cosmos OpenSSD.
//
// Cosmos OpenSSD is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 3, or (at your option)
// any later version.
//
// Cosmos OpenSSD is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Cosmos OpenSSD; see the file COPYING.
// If not, see <http://www.gnu.org/licenses/>.
//////////////////////////////////////////////////////////////////////////////////

//////////////////////////////////////////////////////////////////////////////////
// Company: ENC Lab. <http://enc.hanyang.ac.kr>
// Engineer: Gyeongyong Lee <gylee@enc.hanyang.ac.kr>
// Jaewook Kwak <jwkwak@enc.hanyang.ac.kr>
//
// Project Name: Cosmos OpenSSD
// Design Name: Greedy FTL
// Module Name: Flash Translation Layer
// File Name: ftl.c
//
// Version: v2.1.0
//
// Description:
// - initial NAND flash memory reset
// - initialize map tables
//////////////////////////////////////////////////////////////////////////////////

//////////////////////////////////////////////////////////////////////////////////
// Revision History:
//
// * v2.1.0
// - meta data recovery
// - add CI table initialization
//
// * v2.0.0
// - add GC table initialization
//
// * v1.0.0
// - First draft
//////////////////////////////////////////////////////////////////////////////////

#include "ftl.h"

#include "lld.h"
#include "pageMap.h"

void InitNandReset()
{
// reset SSD
int i, j;
for(i=0; i<CHANNEL_NUM; ++i)
{
for(j=0; j<WAY_NUM; ++j)
{
WaitWayFree(i, j);
SsdReset(i, j);
}
}

// change SSD mode
for(i=0; i<CHANNEL_NUM; ++i)
{
for(j=0; j<WAY_NUM; ++j)
{
WaitWayFree(i, j);
SsdModeChange(i, j);
}
}

print("\n[ ssd NAND device reset complete. ]\r\n");
}

void InitFtlMapTable()
{
int MetadataExist;

MetadataExist = CheckMetadata();
if(MetadataExist)
{
RecoverMetadata();
RecoverPageMap();
}
else
{
InitPageMap();
InitBlockMap();
InitDieBlock();

InitGcMap();
InitCiMap();
}
}

84 changes: 84 additions & 0 deletions Source/Firmware/GreedyFTL-1.4.0/ftl.h
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//////////////////////////////////////////////////////////////////////////////////
// ftl.h for Cosmos OpenSSD
// Copyright (c) 2014 Hanyang University ENC Lab.
// Contributed by Yong Ho Song <yhsong@enc.hanyang.ac.kr>
// Gyeongyong Lee <gylee@enc.hanyang.ac.kr>
// Jaewook Kwak <jwkwak@enc.hanyang.ac.kr>
//
// This file is part of Cosmos OpenSSD.
//
// Cosmos OpenSSD is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 3, or (at your option)
// any later version.
//
// Cosmos OpenSSD is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Cosmos OpenSSD; see the file COPYING.
// If not, see <http://www.gnu.org/licenses/>.
//////////////////////////////////////////////////////////////////////////////////

//////////////////////////////////////////////////////////////////////////////////
// Company: ENC Lab. <http://enc.hanyang.ac.kr>
// Engineer: Gyeongyong Lee <gylee@enc.hanyang.ac.kr>
// Jaewook Kwak <jwkwak@enc.hanyang.ac.kr>
//
// Project Name: Cosmos OpenSSD
// Design Name: Greedy FTL
// Module Name: Flash Translation Layer
// File Name: ftl.h
//
// Version: v1.0.2
//
// Description:
// - define NAND flash memory and SSD parameters
//////////////////////////////////////////////////////////////////////////////////

//////////////////////////////////////////////////////////////////////////////////
// Revision History:
//
// * v1.0.2
// - add constant to calculate ssd size
//
// * v1.0.1
// - replace bitwise operation with decimal operation
//
// * v1.0.0
// - First draft
//////////////////////////////////////////////////////////////////////////////////

#ifndef FTL_H_
#define FTL_H_

#define SECTOR_SIZE_FTL 512

#define PAGE_SIZE 8192 //8KB
#define PAGE_NUM_PER_BLOCK 256
#define BLOCK_NUM_PER_DIE 4096
#define BLOCK_SIZE_MB ((PAGE_SIZE * PAGE_NUM_PER_BLOCK) / (1024 * 1024))

#define CHANNEL_NUM 4
#define WAY_NUM 4
#define DIE_NUM (CHANNEL_NUM * WAY_NUM)

#define SECTOR_NUM_PER_PAGE (PAGE_SIZE / SECTOR_SIZE_FTL)

#define PAGE_NUM_PER_DIE (PAGE_NUM_PER_BLOCK * BLOCK_NUM_PER_DIE)
#define PAGE_NUM_PER_CHANNEL (PAGE_NUM_PER_DIE * WAY_NUM)
#define PAGE_NUM_PER_SSD (PAGE_NUM_PER_CHANNEL * CHANNEL_NUM)

#define BLOCK_NUM_PER_CHANNEL (BLOCK_NUM_PER_DIE * WAY_NUM)
#define BLOCK_NUM_PER_SSD (BLOCK_NUM_PER_CHANNEL * CHANNEL_NUM)

#define SSD_SIZE (BLOCK_NUM_PER_SSD * BLOCK_SIZE_MB) //MB
#define FREE_BLOCK_SIZE (DIE_NUM * BLOCK_SIZE_MB) //MB
#define METADATA_BLOCK_SIZE (1 * BLOCK_SIZE_MB) //MB

void InitNandReset();
void InitFtlMapTable();

#endif /* FTL_H_ */

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