diff options
| -rw-r--r-- | hw/ppc/spapr_pci.c | 7 | ||||
| -rw-r--r-- | include/hw/pci-host/spapr.h | 3 |
2 files changed, 6 insertions, 4 deletions
diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c index 617b7f3fdd..cb7c351474 100644 --- a/hw/ppc/spapr_pci.c +++ b/hw/ppc/spapr_pci.c @@ -1387,7 +1387,7 @@ 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; + nb_table = sphb->dma_win_size >> SPAPR_TCE_PAGE_SHIFT; tcet = spapr_tce_new_table(DEVICE(sphb), sphb->dma_liobn, 0, SPAPR_TCE_PAGE_SHIFT, nb_table, false); if (!tcet) { @@ -1397,7 +1397,7 @@ static void spapr_phb_finish_realize(sPAPRPHBState *sphb, Error **errp) } /* Register default 32bit DMA window */ - memory_region_add_subregion(&sphb->iommu_root, 0, + memory_region_add_subregion(&sphb->iommu_root, sphb->dma_win_addr, spapr_tce_get_iommu(tcet)); } @@ -1430,6 +1430,9 @@ static Property spapr_phb_properties[] = { SPAPR_PCI_IO_WIN_SIZE), DEFINE_PROP_BOOL("dynamic-reconfiguration", sPAPRPHBState, dr_enabled, true), + /* Default DMA window is 0..1GB */ + DEFINE_PROP_UINT64("dma_win_addr", sPAPRPHBState, dma_win_addr, 0), + DEFINE_PROP_UINT64("dma_win_size", sPAPRPHBState, dma_win_size, 0x40000000), DEFINE_PROP_END_OF_LIST(), }; diff --git a/include/hw/pci-host/spapr.h b/include/hw/pci-host/spapr.h index 5322b560eb..7de5e029b1 100644 --- a/include/hw/pci-host/spapr.h +++ b/include/hw/pci-host/spapr.h @@ -78,6 +78,7 @@ struct sPAPRPHBState { MemoryRegion memwindow, iowindow, msiwindow; uint32_t dma_liobn; + hwaddr dma_win_addr, dma_win_size; AddressSpace iommu_as; MemoryRegion iommu_root; @@ -115,8 +116,6 @@ 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) { sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine()); |