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