From 1f1616e864972fc82e1a144c7d23622d2aa2c6f2 Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Sun, 6 Nov 2011 18:55:59 +0000 Subject: powerpc/powernv: Add TCE SW invalidation support This is used for newer IO Hubs such as p7IOC. Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/platforms/pseries/iommu.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (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 ea70667d4fc..c442f2b1980 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -106,7 +106,7 @@ static int tce_build_pSeries(struct iommu_table *tbl, long index, tcep++; } - if (tbl->it_type == TCE_PCI_SW_INVAL) + if (tbl->it_type == TCE_PCI_SWINV_CREATE) tce_invalidate_pSeries_sw(tbl, tces, tcep - 1); return 0; } @@ -121,7 +121,7 @@ static void tce_free_pSeries(struct iommu_table *tbl, long index, long npages) while (npages--) *(tcep++) = 0; - if (tbl->it_type == TCE_PCI_SW_INVAL) + if (tbl->it_type == TCE_PCI_SWINV_FREE) tce_invalidate_pSeries_sw(tbl, tces, tcep - 1); } @@ -511,7 +511,7 @@ static void iommu_table_setparms(struct pci_controller *phb, */ tbl->it_index = (unsigned long) ioremap(sw_inval[0], 8); tbl->it_busno = sw_inval[1]; /* overload this with magic */ - tbl->it_type = TCE_PCI_SW_INVAL; + tbl->it_type = TCE_PCI_SWINV_CREATE | TCE_PCI_SWINV_FREE; } } -- cgit v1.2.3-18-g5258