projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 70297a8a ST |
1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* | |
| 3 | * Copyright 2019 Google LLC | |
| 4 | */ | |
| 5 | ||
| 6 | #ifndef _UFSHCD_CRYPTO_H | |
| 7 | #define _UFSHCD_CRYPTO_H | |
| 8 | ||
| 9 | #ifdef CONFIG_SCSI_UFS_CRYPTO | |
| 10 | #include "ufshcd.h" | |
| 11 | #include "ufshci.h" | |
| 12 | ||
| df043c74 ST |
13 | static inline void ufshcd_prepare_lrbp_crypto(struct request *rq, |
| 14 | struct ufshcd_lrb *lrbp) | |
| 15 | { | |
| 16 | if (!rq || !rq->crypt_keyslot) { | |
| 17 | lrbp->crypto_key_slot = -1; | |
| 18 | return; | |
| 19 | } | |
| 20 | ||
| 21 | lrbp->crypto_key_slot = blk_ksm_get_slot_idx(rq->crypt_keyslot); | |
| 22 | lrbp->data_unit_num = rq->crypt_ctx->bc_dun[0]; | |
| 23 | } | |
| 24 | ||
| 25 | static inline void | |
| 26 | ufshcd_prepare_req_desc_hdr_crypto(struct ufshcd_lrb *lrbp, u32 *dword_0, | |
| 27 | u32 *dword_1, u32 *dword_3) | |
| 28 | { | |
| 29 | if (lrbp->crypto_key_slot >= 0) { | |
| 30 | *dword_0 |= UTP_REQ_DESC_CRYPTO_ENABLE_CMD; | |
| 31 | *dword_0 |= lrbp->crypto_key_slot; | |
| 32 | *dword_1 = lower_32_bits(lrbp->data_unit_num); | |
| 33 | *dword_3 = upper_32_bits(lrbp->data_unit_num); | |
| 34 | } | |
| 35 | } | |
| 36 | ||
| 70297a8a ST |
37 | bool ufshcd_crypto_enable(struct ufs_hba *hba); |
| 38 | ||
| 39 | int ufshcd_hba_init_crypto_capabilities(struct ufs_hba *hba); | |
| 40 | ||
| 41 | void ufshcd_init_crypto(struct ufs_hba *hba); | |
| 42 | ||
| 43 | void ufshcd_crypto_setup_rq_keyslot_manager(struct ufs_hba *hba, | |
| 44 | struct request_queue *q); | |
| 45 | ||
| 70297a8a ST |
46 | #else /* CONFIG_SCSI_UFS_CRYPTO */ |
| 47 | ||
| df043c74 ST |
48 | static inline void ufshcd_prepare_lrbp_crypto(struct request *rq, |
| 49 | struct ufshcd_lrb *lrbp) { } | |
| 50 | ||
| 51 | static inline void | |
| 52 | ufshcd_prepare_req_desc_hdr_crypto(struct ufshcd_lrb *lrbp, u32 *dword_0, | |
| 53 | u32 *dword_1, u32 *dword_3) { } | |
| 54 | ||
| 70297a8a ST |
55 | static inline bool ufshcd_crypto_enable(struct ufs_hba *hba) |
| 56 | { | |
| 57 | return false; | |
| 58 | } | |
| 59 | ||
| 60 | static inline int ufshcd_hba_init_crypto_capabilities(struct ufs_hba *hba) | |
| 61 | { | |
| 62 | return 0; | |
| 63 | } | |
| 64 | ||
| 65 | static inline void ufshcd_init_crypto(struct ufs_hba *hba) { } | |
| 66 | ||
| 67 | static inline void ufshcd_crypto_setup_rq_keyslot_manager(struct ufs_hba *hba, | |
| 68 | struct request_queue *q) { } | |
| 69 | ||
| 70297a8a ST |
70 | #endif /* CONFIG_SCSI_UFS_CRYPTO */ |
| 71 | ||
| 72 | #endif /* _UFSHCD_CRYPTO_H */ |