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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>
22 lines
505 B
C
22 lines
505 B
C
#ifndef _ASM_M32R_SCATTERLIST_H
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#define _ASM_M32R_SCATTERLIST_H
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#include <asm/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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char * address; /* Location data is to be transferred to, NULL for
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* highmem page */
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unsigned long page_link;
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unsigned int offset;/* for highmem, page offset */
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dma_addr_t dma_address;
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unsigned int length;
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};
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#define ISA_DMA_THRESHOLD (0x1fffffff)
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#endif /* _ASM_M32R_SCATTERLIST_H */
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