e045fb2a98
Add xlate and unxlate around /dev/mem read/write. This sets up the mapping that can be used for /dev/mem read and write without aliasing worries. Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
19 lines
471 B
C
19 lines
471 B
C
#ifndef _ASM_X86_IO_H
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#define _ASM_X86_IO_H
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#define ARCH_HAS_IOREMAP_WC
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#ifdef CONFIG_X86_32
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# include "io_32.h"
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#else
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# include "io_64.h"
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#endif
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extern void *xlate_dev_mem_ptr(unsigned long phys);
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extern void unxlate_dev_mem_ptr(unsigned long phys, void *addr);
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extern int ioremap_change_attr(unsigned long vaddr, unsigned long size,
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unsigned long prot_val);
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extern void __iomem *ioremap_wc(unsigned long offset, unsigned long size);
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#endif /* _ASM_X86_IO_H */
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