mirror of https://github.com/F-Stack/f-stack.git
40 lines
753 B
C
40 lines
753 B
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(C) 2022 Marvell.
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*/
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#ifndef _ROC_CPT_SG_H_
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#define _ROC_CPT_SG_H_
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#define ROC_DMA_MODE_SG (1 << 7)
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#define ROC_MAX_SG_IN_OUT_CNT 128
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#define ROC_MAX_SG_CNT (ROC_MAX_SG_IN_OUT_CNT / 2)
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#define ROC_SG_LIST_HDR_SIZE (8u)
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#define ROC_SG_ENTRY_SIZE sizeof(struct roc_sglist_comp)
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#define ROC_SG_MAX_COMP 25
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#define ROC_SG_MAX_DLEN_SIZE (ROC_SG_LIST_HDR_SIZE + (ROC_SG_MAX_COMP * ROC_SG_ENTRY_SIZE))
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struct roc_sglist_comp {
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union {
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uint64_t len;
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struct {
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uint16_t len[4];
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} s;
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} u;
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uint64_t ptr[4];
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};
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struct roc_sg2list_comp {
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union {
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uint64_t len;
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struct {
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uint16_t len[3];
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uint16_t valid_segs;
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} s;
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} u;
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uint64_t ptr[3];
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};
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#endif /* _ROC_CPT_SG_H_ */
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