void
CreateIOSQ::Init(const SharedIOSQPtr iosq)
{
// Setup the PRP buffer based upon contig or non-contig memory
int prpField = MASK_PRP1_PAGE;
if (iosq->GetIsContig() == false)
prpField |= MASK_PRP1_LIST;
SetPrpBuffer((send_64b_bitmask)prpField, iosq->GetQBuffer(),
iosq->GetQSize());
{ // Handle DWORD 10
uint32_t dword10 = GetDword(10);
// Handle q size
dword10 &= ~0xffff0000;
dword10 |= (((uint32_t)iosq->GetNumEntries()) << 16);
// Handle Q ID
dword10 &= ~0x0000ffff;
dword10 |= (uint32_t)iosq->GetQId();
SetDword(dword10, 10);
} // Handle DWORD 10
{ // Handle DWORD 11
uint32_t dword11 = GetDword(11);
// Handle the PC bit
if (iosq->GetIsContig())
dword11 |= 0x00000001;
else
dword11 &= ~0x00000001;
// Handle Q priority
dword11 &= ~0x00000006;
dword11 |= (((uint32_t)iosq->GetPriority()) << 1);
// Handle CQ ID
dword11 &= ~0xffff0000;
dword11 |= (((uint32_t)iosq->GetCqId()) << 16);
SetDword(dword11, 11);
} // Handle DWORD 11
}
void
Write::SetILBRT(uint32_t ilbrt)
{
LOG_NRM("Setting ILBRT = 0x%08X", ilbrt);
SetDword(ilbrt, 14);
}
void
CreateIOCQ::Init(const SharedIOCQPtr iocq)
{
// Setup the PRP buffer based upon contig or non-contig memory
int prpField = MASK_PRP1_PAGE;
if (iocq->GetIsContig() == false)
prpField |= MASK_PRP1_LIST;
SetPrpBuffer((send_64b_bitmask)prpField, iocq->GetQBuffer(),
iocq->GetQSize());
{ // Handle DWORD 10
uint32_t dword10 = GetDword(10);
// Handle q size
dword10 &= ~0xffff0000;
dword10 |= (((uint32_t)(iocq->GetNumEntries() - 1)) << 16);
// Handle Q ID
dword10 &= ~0x0000ffff;
dword10 |= (uint32_t)iocq->GetQId();
SetDword(dword10, 10);
} // Handle DWORD 10
{ // Handle DWORD 11
uint32_t dword11 = GetDword(11);
// Handle the PC bit
if (iocq->GetIsContig())
dword11 |= 0x00000001;
else
dword11 &= ~0x00000001;
// Handle IRQ support
if (iocq->GetIrqEnabled()) {
dword11 |= 0x00000002;
dword11 &= ~0xffff0000; // clear it, then set it
enum nvme_irq_type irq;
uint16_t numIrqs;
if (gCtrlrConfig->GetIrqScheme(irq, numIrqs) == false)
throw FrmwkEx(HERE, "Unable to retrieve current IRQ scheme");
switch (irq) {
case INT_MSI_MULTI:
case INT_MSIX:
dword11 |= (((uint32_t)iocq->GetIrqVector()) << 16);
break;
case INT_MSI_SINGLE:
case INT_NONE:
; // Required to be zero
break;
default:
throw FrmwkEx(HERE, "Unsupported IRQ scheme, what to do?");
}
} else {
dword11 &= ~0x00000002;
dword11 &= ~0xffff0000;
}
SetDword(dword11, 11);
} // Handle DWORD 11
}
