d6ec084200
Add a Kconfig entry which will toggle some sanity checks on the sg entry and tables. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
20 lines
383 B
C
20 lines
383 B
C
#ifndef _ASMS390_SCATTERLIST_H
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#define _ASMS390_SCATTERLIST_H
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struct scatterlist {
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#ifdef CONFIG_DEBUG_SG
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unsigned long sg_magic;
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#endif
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unsigned long page_link;
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unsigned int offset;
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unsigned int length;
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};
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#ifdef __s390x__
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#define ISA_DMA_THRESHOLD (0xffffffffffffffffUL)
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#else
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#define ISA_DMA_THRESHOLD (0xffffffffUL)
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#endif
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#endif /* _ASMS390X_SCATTERLIST_H */
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