Flashalloc-Cosmos/Flashalloc/ftl_config.c at master · FlashSQL/Flashalloc-Cosmos · GitHub

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//////////////////////////////////////////////////////////////////////////////////

// ftl_config.c for Cosmos+ OpenSSD

// Contributed by Yong Ho Song <yhsong@enc.hanyang.ac.kr>

// Jaewook Kwak <jwkwak@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: Jaewook Kwak <jwkwak@enc.hanyang.ac.kr>

// Project Name: Cosmos+ OpenSSD

// Design Name: Cosmos+ Firmware

// Module Name: Flash Translation Layer Configuration Manager

// File Name: ftl_config.c

// Version: v1.0.0

// Description:

// - initialize flash translation layer

// - check configuration options

// - initialize NAND device

//////////////////////////////////////////////////////////////////////////////////

// Revision History:

// * v1.0.0

// - First draft

//////////////////////////////////////////////////////////////////////////////////

#include <assert.h>

#include "xil_printf.h"

#include "memory_map.h"

#include "t4nsc_ucode.h"

#include "nsc_driver.h"

#include "ftl_stats.h"

unsigned int storageCapacity_L;

T4REGS chCtlReg[USER_CHANNELS];

// (jhpark)

long long g_ftl_num_write;

long long g_ftl_num_gc;

long long g_ftl_num_erase;

long long g_ftl_num_copy_back;

long long g_ftl_num_gather_gc;

long long g_ftl_num_gather_cp;

long long g_ftl_num_gather_write;

long long g_ftl_num_host_write;

long long g_ftl_num_trim;

unsigned int trim_flag;

struct stats_ftl stats_ftl = { 0 };

void InitFTL()

{

CheckConfigRestriction();

InitChCtlReg();

InitReqPool();

InitDependencyTable();

InitReqScheduler();

InitNandArray();

InitAddressMap();

InitDataBuf();

InitGcVictimMap();

// (jhpark): add

g_ftl_num_trim = 0;

trim_flag = 1;

if(USER_BLOCKS_PER_LUN > 3072)

storageCapacity_L = (MB_PER_SSD - (MB_PER_MIN_FREE_BLOCK_SPACE + mbPerbadBlockSpace + MB_PER_OVER_PROVISION_BLOCK_SPACE)) * ((1024*1024) / BYTES_PER_NVME_BLOCK);

else

storageCapacity_L = (MB_PER_SSD - (MB_PER_MIN_FREE_BLOCK_SPACE + MB_PER_OVER_PROVISION_BLOCK_SPACE)) * ((1024*1024) / BYTES_PER_NVME_BLOCK);

xil_printf("[ storage capacity %d MB ]\r\n", storageCapacity_L / ((1024*1024) / BYTES_PER_NVME_BLOCK));

xil_printf("[%d Byte/data region of page]\r\n", BYTES_PER_DATA_REGION_OF_PAGE);

xil_printf("[ ftl configuration complete. ]\r\n");

}

static void nfc_install_ucode(unsigned int* bram0)

{

int i;

for (i = 0; i < T4NSCu_Common_CodeWordLength; i++)

{

bram0[i] = T4NSCuCode_Common[i];

}

for (i = 0; i < T4NSCu_PlainOps_CodeWordLength; i++)

{

bram0[T4NSCu_Common_CodeWordLength + i] = T4NSCuCode_PlainOps[i];

}

unsigned int NSCS[] = {

NSC_0_BASEADDR,

NSC_1_BASEADDR,

NSC_2_BASEADDR,

NSC_3_BASEADDR,

NSC_4_BASEADDR,

NSC_5_BASEADDR,

NSC_6_BASEADDR,

NSC_7_BASEADDR,

};

unsigned int NSC_UCODES[] = {

NSC_0_UCODEADDR,

NSC_1_UCODEADDR,

NSC_2_UCODEADDR,

NSC_3_UCODEADDR,

NSC_4_UCODEADDR,

NSC_5_UCODEADDR,

NSC_6_UCODEADDR,

NSC_7_UCODEADDR

};

void InitChCtlReg()

{

int i;

if(USER_CHANNELS < 1)

assert(!"[WARNING] Configuration Error: Channel [WARNING]");

for (i = 0; i < USER_CHANNELS; i++)

{

nfc_install_ucode((unsigned int*)NSC_UCODES[i]);

V2FInitializeHandle(&chCtlReg[i], (void*)NSCS[i]);

nfc_set_dqs_delay(i, 28);

}

//nfc_set_dqs_delay(0, 31);

//nfc_set_dqs_delay(1, 31);

//nfc_set_dqs_delay(5, 4);

//nfc_set_dqs_delay(6, 18);

}

void InitNandArray()

{

unsigned int chNo, wayNo, reqSlotTag;

int i;

for(chNo=0; chNo<USER_CHANNELS; ++chNo)

for(wayNo=0; wayNo<USER_WAYS; ++wayNo)

{

reqSlotTag = GetFromFreeReqQ();

reqPoolPtr->reqPool[reqSlotTag].reqType = REQ_TYPE_NAND;

reqPoolPtr->reqPool[reqSlotTag].reqCode = REQ_CODE_RESET;

reqPoolPtr->reqPool[reqSlotTag].reqOpt.nandAddr = REQ_OPT_NAND_ADDR_PHY_ORG;

reqPoolPtr->reqPool[reqSlotTag].reqOpt.dataBufFormat = REQ_OPT_DATA_BUF_NONE;

reqPoolPtr->reqPool[reqSlotTag].reqOpt.rowAddrDependencyCheck = REQ_OPT_ROW_ADDR_DEPENDENCY_NONE;

reqPoolPtr->reqPool[reqSlotTag].reqOpt.blockSpace = REQ_OPT_BLOCK_SPACE_TOTAL;

reqPoolPtr->reqPool[reqSlotTag].reqOpt.forceUnitAccess = REQ_OPT_FORCE_UNIT_ACCESS_OFF;

reqPoolPtr->reqPool[reqSlotTag].reqOpt.be_flush_req = 0;

reqPoolPtr->reqPool[reqSlotTag].nandInfo.physicalCh = chNo;

reqPoolPtr->reqPool[reqSlotTag].nandInfo.physicalWay = wayNo;

reqPoolPtr->reqPool[reqSlotTag].nandInfo.physicalBlock = 0; //dummy

reqPoolPtr->reqPool[reqSlotTag].nandInfo.physicalPage = 0; //dummy

reqPoolPtr->reqPool[reqSlotTag].prevBlockingReq = REQ_SLOT_TAG_NONE;

SelectLowLevelReqQ(reqSlotTag);

reqSlotTag = GetFromFreeReqQ();

reqPoolPtr->reqPool[reqSlotTag].reqType = REQ_TYPE_NAND;

reqPoolPtr->reqPool[reqSlotTag].reqCode = REQ_CODE_SET_FEATURE;

reqPoolPtr->reqPool[reqSlotTag].reqOpt.nandAddr = REQ_OPT_NAND_ADDR_PHY_ORG;

reqPoolPtr->reqPool[reqSlotTag].reqOpt.dataBufFormat = REQ_OPT_DATA_BUF_NONE;

reqPoolPtr->reqPool[reqSlotTag].reqOpt.rowAddrDependencyCheck = REQ_OPT_ROW_ADDR_DEPENDENCY_NONE;

reqPoolPtr->reqPool[reqSlotTag].reqOpt.blockSpace = REQ_OPT_BLOCK_SPACE_TOTAL;

reqPoolPtr->reqPool[reqSlotTag].reqOpt.forceUnitAccess = REQ_OPT_FORCE_UNIT_ACCESS_OFF;

reqPoolPtr->reqPool[reqSlotTag].reqOpt.be_flush_req = 0;

reqPoolPtr->reqPool[reqSlotTag].nandInfo.physicalCh = chNo;

reqPoolPtr->reqPool[reqSlotTag].nandInfo.physicalWay = wayNo;

reqPoolPtr->reqPool[reqSlotTag].nandInfo.physicalBlock = 0; //dummy

reqPoolPtr->reqPool[reqSlotTag].nandInfo.physicalPage = 0; //dummy

reqPoolPtr->reqPool[reqSlotTag].prevBlockingReq = REQ_SLOT_TAG_NONE;

SelectLowLevelReqQ(reqSlotTag);

}

SyncAllLowLevelReqDone();

for (i = 0; i < USER_CHANNELS; i++)

{

int j;

unsigned char* idData = (unsigned char*)(TEMPORARY_PAY_LOAD_ADDR + 16);

V2FReadIdSync(&chCtlReg[i], 0, idData);

printf("Ch %d ReadId: ", i);

for (j = 0; j < 6;j ++)

printf("%x ", idData[j]);

printf("\r\n");

}

xil_printf("[ NAND device reset complete. ]\r\n");

}

void CheckConfigRestriction()

{

if(USER_CHANNELS > NSC_MAX_CHANNELS)

assert(!"[WARNING] Configuration Error: Channel [WARNING]");

if(USER_WAYS > NSC_MAX_WAYS)

assert(!"[WARNING] Configuration Error: WAY [WARNING]");

if(USER_BLOCKS_PER_LUN > MAIN_BLOCKS_PER_LUN)

assert(!"[WARNING] Configuration Error: BLOCK [WARNING]");

if((BITS_PER_FLASH_CELL != SLC_MODE))

assert(!"[WARNING] Configuration Error: BIT_PER_FLASH_CELL [WARNING]");

if(RESERVED_DATA_BUFFER_BASE_ADDR + 0x00200000 > COMPLETE_FLAG_TABLE_ADDR)

assert(!"[WARNING] Configuration Error: Data buffer size is too large to be allocated to predefined range [WARNING]");

if(TEMPORARY_PAY_LOAD_ADDR + 0x00001000 > DATA_BUFFER_MAP_ADDR)

assert(!"[WARNING] Configuration Error: Metadata for NAND request completion process is too large to be allocated to predefined range [WARNING]");

if(FTL_MANAGEMENT_END_ADDR > DRAM_END_ADDR)

assert(!"[WARNING] Configuration Error: Metadata of FTL is too large to be allocated to DRAM [WARNING]");

}

Flashalloc-Cosmos/Flashalloc/ftl_config.c at master · FlashSQL/Flashalloc-Cosmos · GitHub

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