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32 lines
702 B
32 lines
702 B
#ifndef _QLA_DSD_H_ |
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#define _QLA_DSD_H_ |
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#include <asm/unaligned.h> |
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/* 32-bit data segment descriptor (8 bytes) */ |
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struct dsd32 { |
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__le32 address; |
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__le32 length; |
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}; |
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static inline void append_dsd32(struct dsd32 **dsd, struct scatterlist *sg) |
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{ |
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put_unaligned_le32(sg_dma_address(sg), &(*dsd)->address); |
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put_unaligned_le32(sg_dma_len(sg), &(*dsd)->length); |
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(*dsd)++; |
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} |
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/* 64-bit data segment descriptor (12 bytes) */ |
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struct dsd64 { |
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__le64 address; |
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__le32 length; |
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} __packed; |
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static inline void append_dsd64(struct dsd64 **dsd, struct scatterlist *sg) |
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{ |
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put_unaligned_le64(sg_dma_address(sg), &(*dsd)->address); |
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put_unaligned_le32(sg_dma_len(sg), &(*dsd)->length); |
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(*dsd)++; |
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} |
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#endif
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