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-rw-r--r--include/asm-x86/io.h23
1 files changed, 6 insertions, 17 deletions
diff --git a/include/asm-x86/io.h b/include/asm-x86/io.h
index 0f954dc89cb3..a233f835e0b5 100644
--- a/include/asm-x86/io.h
+++ b/include/asm-x86/io.h
@@ -1,24 +1,10 @@
1#ifndef _ASM_X86_IO_H 1#ifndef ASM_X86__IO_H
2#define _ASM_X86_IO_H 2#define ASM_X86__IO_H
3 3
4#define ARCH_HAS_IOREMAP_WC 4#define ARCH_HAS_IOREMAP_WC
5 5
6#include <linux/compiler.h> 6#include <linux/compiler.h>
7 7
8/*
9 * early_ioremap() and early_iounmap() are for temporary early boot-time
10 * mappings, before the real ioremap() is functional.
11 * A boot-time mapping is currently limited to at most 16 pages.
12 */
13#ifndef __ASSEMBLY__
14extern void early_ioremap_init(void);
15extern void early_ioremap_clear(void);
16extern void early_ioremap_reset(void);
17extern void *early_ioremap(unsigned long offset, unsigned long size);
18extern void early_iounmap(void *addr, unsigned long size);
19extern void __iomem *fix_ioremap(unsigned idx, unsigned long phys);
20#endif
21
22#define build_mmio_read(name, size, type, reg, barrier) \ 8#define build_mmio_read(name, size, type, reg, barrier) \
23static inline type name(const volatile void __iomem *addr) \ 9static inline type name(const volatile void __iomem *addr) \
24{ type ret; asm volatile("mov" size " %1,%0":reg (ret) \ 10{ type ret; asm volatile("mov" size " %1,%0":reg (ret) \
@@ -73,6 +59,8 @@ build_mmio_write(__writeq, "q", unsigned long, "r", )
73#define writeq writeq 59#define writeq writeq
74#endif 60#endif
75 61
62extern int iommu_bio_merge;
63
76#ifdef CONFIG_X86_32 64#ifdef CONFIG_X86_32
77# include "io_32.h" 65# include "io_32.h"
78#else 66#else
@@ -95,8 +83,9 @@ extern void early_ioremap_init(void);
95extern void early_ioremap_clear(void); 83extern void early_ioremap_clear(void);
96extern void early_ioremap_reset(void); 84extern void early_ioremap_reset(void);
97extern void *early_ioremap(unsigned long offset, unsigned long size); 85extern void *early_ioremap(unsigned long offset, unsigned long size);
86extern void *early_memremap(unsigned long offset, unsigned long size);
98extern void early_iounmap(void *addr, unsigned long size); 87extern void early_iounmap(void *addr, unsigned long size);
99extern void __iomem *fix_ioremap(unsigned idx, unsigned long phys); 88extern void __iomem *fix_ioremap(unsigned idx, unsigned long phys);
100 89
101 90
102#endif /* _ASM_X86_IO_H */ 91#endif /* ASM_X86__IO_H */