From 5b25199eff8e124297e6e95392f1719d20daca89 Mon Sep 17 00:00:00 2001 From: Alexey Kardashevskiy Date: Tue, 21 May 2013 13:33:11 +1000 Subject: powerpc/vfio: Enable on pSeries platform The enables VFIO on the pSeries platform, enabling user space programs to access PCI devices directly. Signed-off-by: Alexey Kardashevskiy Cc: David Gibson Signed-off-by: Paul Mackerras Acked-by: Alex Williamson Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/platforms/pseries/iommu.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'arch/powerpc/platforms/pseries/iommu.c') diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c index 86ae364900d6..23fc1dcf4434 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -614,6 +614,7 @@ static void pci_dma_bus_setup_pSeries(struct pci_bus *bus) iommu_table_setparms(pci->phb, dn, tbl); pci->iommu_table = iommu_init_table(tbl, pci->phb->node); + iommu_register_group(tbl, pci_domain_nr(bus), 0); /* Divide the rest (1.75GB) among the children */ pci->phb->dma_window_size = 0x80000000ul; @@ -658,6 +659,7 @@ static void pci_dma_bus_setup_pSeriesLP(struct pci_bus *bus) ppci->phb->node); iommu_table_setparms_lpar(ppci->phb, pdn, tbl, dma_window); ppci->iommu_table = iommu_init_table(tbl, ppci->phb->node); + iommu_register_group(tbl, pci_domain_nr(bus), 0); pr_debug(" created table: %p\n", ppci->iommu_table); } } @@ -684,6 +686,7 @@ static void pci_dma_dev_setup_pSeries(struct pci_dev *dev) phb->node); iommu_table_setparms(phb, dn, tbl); PCI_DN(dn)->iommu_table = iommu_init_table(tbl, phb->node); + iommu_register_group(tbl, pci_domain_nr(phb->bus), 0); set_iommu_table_base(&dev->dev, PCI_DN(dn)->iommu_table); return; } @@ -1184,6 +1187,7 @@ static void pci_dma_dev_setup_pSeriesLP(struct pci_dev *dev) pci->phb->node); iommu_table_setparms_lpar(pci->phb, pdn, tbl, dma_window); pci->iommu_table = iommu_init_table(tbl, pci->phb->node); + iommu_register_group(tbl, pci_domain_nr(pci->phb->bus), 0); pr_debug(" created table: %p\n", pci->iommu_table); } else { pr_debug(" found DMA window, table: %p\n", pci->iommu_table); -- cgit v1.2.1