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spapr_pci: Define default DMA window size as a macro 

This gets rid of a magic constant describing the default DMA window size
for an emulated PHB.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Alexey Kardashevskiy 2015-05-07 15:33:32 +10:00 committed by Alexander Graf
parent 4290ca49ee
commit 3e1a01cb55
2 changed files with 5 additions and 3 deletions
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6
hw/ppc/spapr_pci.c
View File

@ -893,11 +893,11 @@ static void spapr_phb_realize(DeviceState *dev, Error **errp)
static void spapr_phb_finish_realize(sPAPRPHBState *sphb, Error **errp)
{
sPAPRTCETable *tcet;
uint32_t nb_table;
nb_table = SPAPR_PCI_DMA32_SIZE >> SPAPR_TCE_PAGE_SHIFT;
tcet = spapr_tce_new_table(DEVICE(sphb), sphb->dma_liobn,
0,
SPAPR_TCE_PAGE_SHIFT,
0x40000000 >> SPAPR_TCE_PAGE_SHIFT, false);
0, SPAPR_TCE_PAGE_SHIFT, nb_table, false);
if (!tcet) {
error_setg(errp, "Unable to create TCE table for %s",
sphb->dtbusname);

2
include/hw/pci-host/spapr.h
View File

@ -114,6 +114,8 @@ struct sPAPRPHBVFIOState {
#define SPAPR_PCI_MSI_WINDOW 0x40000000000ULL
#define SPAPR_PCI_DMA32_SIZE 0x40000000
static inline qemu_irq spapr_phb_lsi_qirq(struct sPAPRPHBState *phb, int pin)
{
return xics_get_qirq(spapr->icp, phb->lsi_table[pin].irq);