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These header files are typically copied from an existing architecture into any new one, slightly modified and then remain untouched until the end of time in the name of ABI stability. To make it easier for future architectures, provide a sane generic version here. In cases where multiple architectures already use identical code, I used the most common version. In cases like stat.h that are more or less broken everywhere, I provide a version that is meant to be ideal for new architectures. Signed-off-by: Remis Lima Baima <remis.developer@googlemail.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
42 lines
1 KiB
C
42 lines
1 KiB
C
#ifndef _ASM_GENERIC_TYPES_H
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#define _ASM_GENERIC_TYPES_H
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/*
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* int-ll64 is used practically everywhere now,
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* so use it as a reasonable default.
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*/
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#include <asm-generic/int-ll64.h>
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#ifndef __ASSEMBLY__
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typedef unsigned short umode_t;
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#endif /* __ASSEMBLY__ */
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/*
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* These aren't exported outside the kernel to avoid name space clashes
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*/
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#ifdef __KERNEL__
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#ifndef __ASSEMBLY__
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/*
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* DMA addresses may be very different from physical addresses
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* and pointers. i386 and powerpc may have 64 bit DMA on 32 bit
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* systems, while sparc64 uses 32 bit DMA addresses for 64 bit
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* physical addresses.
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* This default defines dma_addr_t to have the same size as
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* phys_addr_t, which is the most common way.
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* Do not define the dma64_addr_t type, which never really
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* worked.
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*/
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#ifndef dma_addr_t
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#ifdef CONFIG_PHYS_ADDR_T_64BIT
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typedef u64 dma_addr_t;
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#else
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typedef u32 dma_addr_t;
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#endif /* CONFIG_PHYS_ADDR_T_64BIT */
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#endif /* dma_addr_t */
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#endif /* __ASSEMBLY__ */
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#endif /* __KERNEL__ */
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#endif /* _ASM_GENERIC_TYPES_H */
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