uint8_t sdmmc_readSector(uint32_t pSectorNum, char* pOutput) {
SET_CS();
// Send command 17 (READ_SINGLE_BLOCK)
if (sdmmc_writeCommand(SDMMC_READ_SINGLE_BLOCK, SECTOR_TO_BYTE(pSectorNum), SDMMC_DEFAULT_CRC) != 0) {
CLEAR_CS();
return FALSE;
}
uint8_t response = 0;
uint8_t retry = 0;
// Wait for start-byte
while(response != 0xFE) {
response = spi_readByte();
if (retry++ == 0xFF) {
CLEAR_CS();
return FALSE;
}
}
// Read the block
for (uint16_t i = 0; i < fBlockLength; i++) {
pOutput[i] = spi_readByte();
}
// Ignore the CRC checksum
spi_readByte();
spi_readByte();
CLEAR_CS();
return TRUE;
}
uint8_t sdmmc_writeSector(uint32_t pSectorNum, char* pInput) {
SET_CS();
// Send command 24 (WRITE_BLOCK)
if (sdmmc_writeCommand(SDMMC_WRITE_BLOCK, SECTOR_TO_BYTE(pSectorNum), SDMMC_DEFAULT_CRC) != 0) {
CLEAR_CS();
return FALSE;
}
// Send some dummy clocks
for(uint8_t i = 0; i < 100; i++) {
spi_readByte();
}
// Send start-byte
spi_writeByte(0xFE);
// Send data
for(uint16_t i = 0; i < fBlockLength; i++) {
spi_writeByte(pInput[i]);
}
// Send dummy CRC checksum (won't be checked in SPI mode)
spi_writeByte(0xFF);
spi_writeByte(0xFF);
// Get response
if ((spi_readByte() & 0x1F) != 0x05) {
CLEAR_CS();
return FALSE;
}
// Wait until memory card is ready for new commands
while (spi_readByte() != 0xFF) {
// burn energy
}
CLEAR_CS();
return TRUE;
}
void
hpt_rebuild_data_block(IAL_ADAPTER_T *pAdapter, PVDevice pArray, UCHAR flags)
{
ULONG capacity = pArray->VDeviceCapacity / (pArray->u.array.bArnMember-1);
PCommand pCmd;
UINT result;
int needsync=0, retry=0, needdelete=0;
void *buffer = NULL;
_VBUS_INST(&pAdapter->VBus)
if (pArray->u.array.rf_broken==1 ||
pArray->u.array.RebuildSectors>=capacity)
return;
mtx_lock(&pAdapter->lock);
switch(flags)
{
case DUPLICATE:
case REBUILD_PARITY:
if(pArray->u.array.rf_rebuilding == 0)
{
pArray->u.array.rf_rebuilding = 1;
hpt_printk(("Rebuilding started.\n"));
ioctl_ReportEvent(ET_REBUILD_STARTED, pArray);
}
break;
case INITIALIZE:
if(pArray->u.array.rf_initializing == 0)
{
pArray->u.array.rf_initializing = 1;
hpt_printk(("Initializing started.\n"));
ioctl_ReportEvent(ET_INITIALIZE_STARTED, pArray);
}
break;
case VERIFY:
if(pArray->u.array.rf_verifying == 0)
{
pArray->u.array.rf_verifying = 1;
hpt_printk(("Verifying started.\n"));
ioctl_ReportEvent(ET_VERIFY_STARTED, pArray);
}
break;
}
retry_cmd:
pCmd = AllocateCommand(_VBUS_P0);
HPT_ASSERT(pCmd);
pCmd->cf_control = 1;
End_Job = 0;
if (pArray->VDeviceType==VD_RAID_1)
{
#define MAX_REBUILD_SECTORS 0x40
/* take care for discontinuous buffer in R1ControlSgl */
buffer = malloc(SECTOR_TO_BYTE(MAX_REBUILD_SECTORS), M_DEVBUF, M_NOWAIT);
if(!buffer) {
FreeCommand(_VBUS_P pCmd);
hpt_printk(("can't allocate rebuild buffer\n"));
goto fail;
}
switch(flags)
{
case DUPLICATE:
pCmd->uCmd.R1Control.Command = CTRL_CMD_REBUILD;
pCmd->uCmd.R1Control.nSectors = MAX_REBUILD_SECTORS;
break;
case VERIFY:
pCmd->uCmd.R1Control.Command = CTRL_CMD_VERIFY;
pCmd->uCmd.R1Control.nSectors = MAX_REBUILD_SECTORS/2;
break;
case INITIALIZE:
pCmd->uCmd.R1Control.Command = CTRL_CMD_REBUILD;
pCmd->uCmd.R1Control.nSectors = MAX_REBUILD_SECTORS;
break;
}
pCmd->uCmd.R1Control.Lba = pArray->u.array.RebuildSectors;
if (capacity - pArray->u.array.RebuildSectors < pCmd->uCmd.R1Control.nSectors)
pCmd->uCmd.R1Control.nSectors = capacity - pArray->u.array.RebuildSectors;
pCmd->uCmd.R1Control.Buffer = buffer;
pCmd->pfnBuildSgl = R1ControlSgl;
}
else if (pArray->VDeviceType==VD_RAID_5)
{
switch(flags)
{
case DUPLICATE:
case REBUILD_PARITY:
pCmd->uCmd.R5Control.Command = CTRL_CMD_REBUILD; break;
case VERIFY:
pCmd->uCmd.R5Control.Command = CTRL_CMD_VERIFY; break;
case INITIALIZE:
pCmd->uCmd.R5Control.Command = CTRL_CMD_INIT; break;
}
pCmd->uCmd.R5Control.StripeLine=pArray->u.array.RebuildSectors>>pArray->u.array.bArBlockSizeShift;
}
else
int HPTLIBAPI
R1ControlSgl(_VBUS_ARG PCommand pCmd, FPSCAT_GATH pSgTable, int logical)
{
ULONG bufferSize = SECTOR_TO_BYTE(pCmd->uCmd.R1Control.nSectors);
if (pCmd->uCmd.R1Control.Command==CTRL_CMD_VERIFY)
bufferSize<<=1;
if (logical) {
pSgTable->dSgAddress = (ULONG_PTR)pCmd->uCmd.R1Control.Buffer;
pSgTable->wSgSize = (USHORT)bufferSize;
pSgTable->wSgFlag = SG_FLAG_EOT;
}
else {
/* build physical SG table for pCmd->uCmd.R1Control.Buffer */
ADDRESS dataPointer, v, nextpage, currvaddr, nextvaddr, currphypage, nextphypage;
ULONG length;
int idx = 0;
v = pCmd->uCmd.R1Control.Buffer;
dataPointer = (ADDRESS)fOsPhysicalAddress(v);
if ((ULONG_PTR)dataPointer & 0x1)
return FALSE;
#define ON64KBOUNDARY(x) (((ULONG_PTR)(x) & 0xFFFF) == 0)
#define NOTNEIGHBORPAGE(highvaddr, lowvaddr) ((ULONG_PTR)(highvaddr) - (ULONG_PTR)(lowvaddr) != PAGE_SIZE)
do {
if (idx >= MAX_SG_DESCRIPTORS) return FALSE;
pSgTable[idx].dSgAddress = fOsPhysicalAddress(v);
currvaddr = v;
currphypage = (ADDRESS)fOsPhysicalAddress((void*)trunc_page((ULONG_PTR)currvaddr));
do {
nextpage = (ADDRESS)trunc_page(((ULONG_PTR)currvaddr + PAGE_SIZE));
nextvaddr = (ADDRESS)MIN(((ULONG_PTR)v + bufferSize), (ULONG_PTR)(nextpage));
if (nextvaddr == (ADDRESS)((ULONG_PTR)v + bufferSize)) break;
nextphypage = (ADDRESS)fOsPhysicalAddress(nextpage);
if (NOTNEIGHBORPAGE(nextphypage, currphypage) || ON64KBOUNDARY(nextphypage)) {
nextvaddr = nextpage;
break;
}
currvaddr = nextvaddr;
currphypage = nextphypage;
}while (1);
length = (ULONG_PTR)nextvaddr - (ULONG_PTR)v;
v = nextvaddr;
bufferSize -= length;
pSgTable[idx].wSgSize = (USHORT)length;
pSgTable[idx].wSgFlag = (bufferSize)? 0 : SG_FLAG_EOT;
idx++;
}while (bufferSize);
}
return 1;
}