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#define LONG_MIN    (-LONG_MAX - 1)
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#define LONG_MIN    (-LONG_MAX - 1)
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#define ULONG_MAX   (~0UL)
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#define ULONG_MAX   (~0UL)
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#define LLONG_MAX   ((long long)(~0ULL>>1))
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#define LLONG_MAX   ((long long)(~0ULL>>1))
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#define LLONG_MIN   (-LLONG_MAX - 1)
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#define LLONG_MIN   (-LLONG_MAX - 1)
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#define ULLONG_MAX  (~0ULL)
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#define ULLONG_MAX  (~0ULL)
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#define SIZE_MAX	(~(size_t)0)
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#define ALIGN(x,a)      __ALIGN_MASK(x,(typeof(x))(a)-1)
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#define ALIGN(x,a)      __ALIGN_MASK(x,(typeof(x))(a)-1)
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#define __ALIGN_MASK(x,mask)    (((x)+(mask))&~(mask))
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#define __ALIGN_MASK(x,mask)    (((x)+(mask))&~(mask))
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#define PTR_ALIGN(p, a)     ((typeof(p))ALIGN((unsigned long)(p), (a)))
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#define PTR_ALIGN(p, a)     ((typeof(p))ALIGN((unsigned long)(p), (a)))
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{
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{
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        writel(val, addr);
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        writel(val, addr);
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        writel(val >> 32, addr+4);
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        writel(val >> 32, addr+4);
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}
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}
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#define swap(a, b) \
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        do { typeof(a) __tmp = (a); (a) = (b); (b) = __tmp; } while (0)
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#define mmiowb() barrier()
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#define mmiowb() barrier()
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    unsigned int    length;
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    unsigned int    length;
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    dma_addr_t      dma_address;
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    dma_addr_t      dma_address;
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    unsigned int    dma_length;
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    unsigned int    dma_length;
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};
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};
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struct sg_table {
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    struct scatterlist *sgl;        /* the list */
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    unsigned int nents;             /* number of mapped entries */
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    unsigned int orig_nents;        /* original size of list */
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};
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#define SG_MAX_SINGLE_ALLOC             (4096 / sizeof(struct scatterlist))
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struct scatterlist *sg_next(struct scatterlist *sg);
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#define sg_dma_address(sg)      ((sg)->dma_address)
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#define sg_dma_len(sg)         ((sg)->length)
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#define sg_is_chain(sg)         ((sg)->page_link & 0x01)
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#define sg_is_last(sg)          ((sg)->page_link & 0x02)
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#define sg_chain_ptr(sg)        \
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        ((struct scatterlist *) ((sg)->page_link & ~0x03))
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static inline addr_t sg_page(struct scatterlist *sg)
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{
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    return (addr_t)((sg)->page_link & ~0x3);
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}
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#define for_each_sg(sglist, sg, nr, __i)        \
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        for (__i = 0, sg = (sglist); __i < (nr); __i++, sg = sg_next(sg))
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struct page
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struct page
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{
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{
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    unsigned int addr;
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    unsigned int addr;
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                                     * is set (which is also implied by
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                                     * is set (which is also implied by
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                                     * VM_FAULT_ERROR).
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                                     * VM_FAULT_ERROR).
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                                     */
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                                     */
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};
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};
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struct pagelist {
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    dma_addr_t    *page;
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    unsigned int   nents;
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};