75 lines
1.8 KiB
C
75 lines
1.8 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright 2019 Google LLC
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*/
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#ifndef _UFSHCD_CRYPTO_H
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#define _UFSHCD_CRYPTO_H
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#include <scsi/scsi_cmnd.h>
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#include <ufs/ufshcd.h>
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#include "ufshcd-priv.h"
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#include <ufs/ufshci.h>
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#ifdef CONFIG_SCSI_UFS_CRYPTO
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static inline void ufshcd_prepare_lrbp_crypto(struct request *rq,
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struct ufshcd_lrb *lrbp)
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{
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if (!rq || !rq->crypt_keyslot) {
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lrbp->crypto_key_slot = -1;
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return;
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}
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lrbp->crypto_key_slot = blk_crypto_keyslot_index(rq->crypt_keyslot);
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lrbp->data_unit_num = rq->crypt_ctx->bc_dun[0];
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}
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static inline void
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ufshcd_prepare_req_desc_hdr_crypto(struct ufshcd_lrb *lrbp, u32 *dword_0,
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u32 *dword_1, u32 *dword_3)
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{
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if (lrbp->crypto_key_slot >= 0) {
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*dword_0 |= UTP_REQ_DESC_CRYPTO_ENABLE_CMD;
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*dword_0 |= lrbp->crypto_key_slot;
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*dword_1 = lower_32_bits(lrbp->data_unit_num);
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*dword_3 = upper_32_bits(lrbp->data_unit_num);
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}
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}
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bool ufshcd_crypto_enable(struct ufs_hba *hba);
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int ufshcd_hba_init_crypto_capabilities(struct ufs_hba *hba);
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void ufshcd_init_crypto(struct ufs_hba *hba);
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void ufshcd_crypto_register(struct ufs_hba *hba, struct request_queue *q);
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#else /* CONFIG_SCSI_UFS_CRYPTO */
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static inline void ufshcd_prepare_lrbp_crypto(struct request *rq,
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struct ufshcd_lrb *lrbp) { }
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static inline void
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ufshcd_prepare_req_desc_hdr_crypto(struct ufshcd_lrb *lrbp, u32 *dword_0,
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u32 *dword_1, u32 *dword_3) { }
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static inline bool ufshcd_crypto_enable(struct ufs_hba *hba)
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{
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return false;
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}
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static inline int ufshcd_hba_init_crypto_capabilities(struct ufs_hba *hba)
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{
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return 0;
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}
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static inline void ufshcd_init_crypto(struct ufs_hba *hba) { }
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static inline void ufshcd_crypto_register(struct ufs_hba *hba,
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struct request_queue *q) { }
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#endif /* CONFIG_SCSI_UFS_CRYPTO */
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#endif /* _UFSHCD_CRYPTO_H */
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