mirror of https://github.com/F-Stack/f-stack.git
66 lines
1.4 KiB
C
66 lines
1.4 KiB
C
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/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2020 Broadcom
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* All rights reserved.
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*/
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#ifndef _BCMFS_SYM_REQ_H_
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#define _BCMFS_SYM_REQ_H_
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#include <rte_cryptodev.h>
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#include "bcmfs_dev_msg.h"
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#include "bcmfs_sym_defs.h"
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/** Max variable length. Since we adjust AAD
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* in same BD if it is less than BCMFS_AAD_THRESH_LEN
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* so we add it here.
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*/
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#define BCMFS_MAX_OMDMD_LEN ((2 * (BCMFS_MAX_KEY_SIZE)) + \
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(2 * (BCMFS_MAX_IV_SIZE)) + \
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(BCMFS_AAD_THRESH_LEN))
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/* Fixed SPU2 Metadata */
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struct spu2_fmd {
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uint64_t ctrl0;
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uint64_t ctrl1;
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uint64_t ctrl2;
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uint64_t ctrl3;
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};
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/*
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* This structure hold the supportive data required to process a
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* rte_crypto_op
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*/
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struct bcmfs_sym_request {
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/*
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* Only single BD for metadata so
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* FMD + OMD must be in continuation
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*/
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/* spu2 engine related data */
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struct spu2_fmd fmd;
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/* variable metadata in continuation with fmd */
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uint8_t omd[BCMFS_MAX_OMDMD_LEN];
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/* digest data output from crypto h/w */
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uint8_t digest[BCMFS_MAX_DIGEST_SIZE];
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/* 2-Bytes response from crypto h/w */
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uint8_t resp[2];
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/*
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* Below are all iovas for above members
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* from top
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*/
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/* iova for fmd */
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rte_iova_t fptr;
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/* iova for omd */
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rte_iova_t optr;
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/* iova for digest */
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rte_iova_t dptr;
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/* iova for response */
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rte_iova_t rptr;
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/* bcmfs qp message for h/w queues to process */
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struct bcmfs_qp_message msgs;
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/* crypto op */
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struct rte_crypto_op *op;
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};
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#endif /* _BCMFS_SYM_REQ_H_ */
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