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Searched refs:min_align_mask (Results 1 – 4 of 4) sorted by relevance

/linux/include/linux/
A Ddma-mapping.h570 return dev->dma_parms->min_align_mask; in dma_get_min_align_mask()
575 unsigned int min_align_mask) in dma_set_min_align_mask() argument
579 dev->dma_parms->min_align_mask = min_align_mask; in dma_set_min_align_mask()
A Ddevice.h448 unsigned int min_align_mask; member
/linux/Documentation/core-api/
A Dswiotlb.rst114 A key device DMA setting is "min_align_mask", which is a power of 2 minus 1
116 allocations ensure these min_align_mask bits of the physical address of the
118 min_align_mask is non-zero, it may produce an "alignment offset" in the address
124 swiotlb, max_sectors_kb will be 256 KiB. When min_align_mask is non-zero,
130 bounce buffer might start at a larger address if min_align_mask is non-zero.
/linux/kernel/dma/
A Dswiotlb.c1607 int min_align_mask = dma_get_min_align_mask(dev); in swiotlb_max_mapping_size() local
1615 if (min_align_mask) in swiotlb_max_mapping_size()
1616 min_align = roundup(min_align_mask, IO_TLB_SIZE); in swiotlb_max_mapping_size()

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