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-rw-r--r--include/linux/pci.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 275344f9c5dc..d8e5700c77c6 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -433,6 +433,9 @@ enum pci_mmap_state {
#define PCI_DMA_FROMDEVICE 2
#define PCI_DMA_NONE 3
+#define DMA_64BIT_MASK 0xffffffffffffffffULL
+#define DMA_32BIT_MASK 0x00000000ffffffffULL
+
#define DEVICE_COUNT_COMPATIBLE 4
#define DEVICE_COUNT_RESOURCE 12