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Diffstat (limited to 'include/asm-x86/pci_32.h')
-rw-r--r--include/asm-x86/pci_32.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/include/asm-x86/pci_32.h b/include/asm-x86/pci_32.h
new file mode 100644
index 00000000000..8c4c3a0368e
--- /dev/null
+++ b/include/asm-x86/pci_32.h
@@ -0,0 +1,32 @@
+#ifndef __i386_PCI_H
+#define __i386_PCI_H
+
+
+#ifdef __KERNEL__
+
+
+/* Dynamic DMA mapping stuff.
+ * i386 has everything mapped statically.
+ */
+
+struct pci_dev;
+
+/* The PCI address space does equal the physical memory
+ * address space. The networking and block device layers use
+ * this boolean for bounce buffer decisions.
+ */
+#define PCI_DMA_BUS_IS_PHYS (1)
+
+/* pci_unmap_{page,single} is a nop so... */
+#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
+#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
+#define pci_unmap_addr(PTR, ADDR_NAME) (0)
+#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0)
+#define pci_unmap_len(PTR, LEN_NAME) (0)
+#define pci_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0)
+
+
+#endif /* __KERNEL__ */
+
+
+#endif /* __i386_PCI_H */