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authorDavid Woodhouse <dwmw2@infradead.org>2007-10-13 14:58:23 +0100
committerDavid Woodhouse <dwmw2@infradead.org>2007-10-13 14:58:23 +0100
commitebf8889bd1fe3615991ff4494635d237280652a2 (patch)
tree10fb735717122bbb86474339eac07f26e7ccdf40 /include/asm-x86/pci-direct.h
parentb160292cc216a50fd0cd386b0bda2cd48352c73b (diff)
parent752097cec53eea111d087c545179b421e2bde98a (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'include/asm-x86/pci-direct.h')
-rw-r--r--include/asm-x86/pci-direct.h17
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 00000000000..6823fa4f1af
--- /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