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authorIngo Molnar <mingo@elte.hu>2008-10-27 10:50:54 +0100
committerIngo Molnar <mingo@elte.hu>2008-10-27 10:50:54 +0100
commit4944dd62de21230af039eda7cd218e9a09021d11 (patch)
treebac70f7bab8506c7e1b0408bacbdb0b1d77262e9 /arch/x86/include/asm/pci_32.h
parentf17845e5d97ead8fbdadfd40039e058ec7cf4a42 (diff)
parent0173a3265b228da319ceb9c1ec6a5682fd1b2d92 (diff)
Merge commit 'v2.6.28-rc2' into tracing/urgent
Diffstat (limited to 'arch/x86/include/asm/pci_32.h')
-rw-r--r--arch/x86/include/asm/pci_32.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pci_32.h b/arch/x86/include/asm/pci_32.h
new file mode 100644
index 00000000000..6f1213a6ef4
--- /dev/null
+++ b/arch/x86/include/asm/pci_32.h
@@ -0,0 +1,34 @@
+#ifndef _ASM_X86_PCI_32_H
+#define _ASM_X86_PCI_32_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) dma_addr_t ADDR_NAME[0];
+#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) unsigned LEN_NAME[0];
+#define pci_unmap_addr(PTR, ADDR_NAME) sizeof((PTR)->ADDR_NAME)
+#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) \
+ do { break; } while (pci_unmap_addr(PTR, ADDR_NAME))
+#define pci_unmap_len(PTR, LEN_NAME) sizeof((PTR)->LEN_NAME)
+#define pci_unmap_len_set(PTR, LEN_NAME, VAL) \
+ do { break; } while (pci_unmap_len(PTR, LEN_NAME))
+
+
+#endif /* __KERNEL__ */
+
+
+#endif /* _ASM_X86_PCI_32_H */