5c7dd7acc3
repo: https://github.com/T-head-Semi/linux commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
33 lines
702 B
C
33 lines
702 B
C
#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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