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>
24 lines
507 B
C
24 lines
507 B
C
#ifndef _M68K_SCATTERLIST_H
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#define _M68K_SCATTERLIST_H
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#include <linux/types.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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__u32 dma_address; /* A place to hang host-specific addresses at. */
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};
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/* This is bogus and should go away. */
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#define ISA_DMA_THRESHOLD (0x00ffffff)
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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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#endif /* !(_M68K_SCATTERLIST_H) */
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