powerpc/powernv: Define TCE Kill flags

This replaces magic constants for TCE Kill IODA2 register with macros.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index acce430559d3f39820f8e2df78e0da3839a87cab..d7fbbf1851085e47574632397a69626dda87c729 100644 (file)
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -1840,10 +1840,13 @@ static struct iommu_table_ops pnv_ioda1_iommu_ops = {
        .get = pnv_tce_get,
 };
 
+#define TCE_KILL_INVAL_PE   PPC_BIT(1)
+#define TCE_KILL_INVAL_TCE  PPC_BIT(2)
+
 static inline void pnv_pci_ioda2_tce_invalidate_pe(struct pnv_ioda_pe *pe)
 {
        /* 01xb - invalidate TCEs that match the specified PE# */
-       unsigned long val = (0x4ull << 60) | (pe->pe_number & 0xFF);
+       unsigned long val = TCE_KILL_INVAL_PE | (pe->pe_number & 0xFF);
        struct pnv_phb *phb = pe->phb;
        struct pnv_ioda_pe *npe;
        int i;
@@ -1871,7 +1874,7 @@ static void pnv_pci_ioda2_do_tce_invalidate(unsigned pe_number, bool rm,
        unsigned long start, end, inc;
 
        /* We'll invalidate DMA address in PE scope */
-       start = 0x2ull << 60;
+       start = TCE_KILL_INVAL_TCE;
        start |= (pe_number & 0xFF);
        end = start;