1 files changed, 17 insertions, 0 deletions

diff --git a/include/asm-x86/pci-direct.h b/include/asm-x86/pci-direct.h
new file mode 100644
index 000000000000..6823fa4f1afa
--- /dev/null
+++ b/include/asm-x86/pci-direct.h
@@ -0,0 +1,17 @@
+#ifndef ASM_PCI_DIRECT_H
+#define ASM_PCI_DIRECT_H 1
+
+#include <linux/types.h>
+
+/* Direct PCI access. This is used for PCI accesses in early boot before
+   the PCI subsystem works. */ 
+
+extern u32 read_pci_config(u8 bus, u8 slot, u8 func, u8 offset);
+extern u8 read_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset);
+extern u16 read_pci_config_16(u8 bus, u8 slot, u8 func, u8 offset);
+extern void write_pci_config(u8 bus, u8 slot, u8 func, u8 offset, u32 val);
+extern void write_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset, u8 val);
+
+extern int early_pci_allowed(void);
+
+#endif