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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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2c941a2040
This updates the sparc64 iommu/pci dma mappers to sg chaining. Acked-by: David S. Miller <davem@davemloft.net> Later updated to newer kernel with unified sparc64 iommu sg handling. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
26 lines
504 B
C
26 lines
504 B
C
/* $Id: scatterlist.h,v 1.11 2001/12/17 07:05:15 davem Exp $ */
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#ifndef _SPARC64_SCATTERLIST_H
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#define _SPARC64_SCATTERLIST_H
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#include <asm/page.h>
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#include <asm/types.h>
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struct scatterlist {
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struct page *page;
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unsigned int offset;
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unsigned int length;
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dma_addr_t dma_address;
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__u32 dma_length;
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};
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#define sg_dma_address(sg) ((sg)->dma_address)
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#define sg_dma_len(sg) ((sg)->dma_length)
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#define ISA_DMA_THRESHOLD (~0UL)
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#define ARCH_HAS_SG_CHAIN
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#endif /* !(_SPARC64_SCATTERLIST_H) */
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