176 lines
4.3 KiB
C
Executable file
176 lines
4.3 KiB
C
Executable file
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Copyright 2019 Google LLC
|
|
*/
|
|
|
|
#ifndef _UFSHCD_CRYPTO_H
|
|
#define _UFSHCD_CRYPTO_H
|
|
|
|
#ifdef CONFIG_SCSI_UFS_CRYPTO
|
|
#include <linux/keyslot-manager.h>
|
|
#include "ufshcd.h"
|
|
#include "ufshci.h"
|
|
|
|
static inline int ufshcd_num_keyslots(struct ufs_hba *hba)
|
|
{
|
|
return hba->crypto_capabilities.config_count + 1;
|
|
}
|
|
|
|
static inline bool ufshcd_keyslot_valid(struct ufs_hba *hba, unsigned int slot)
|
|
{
|
|
/*
|
|
* The actual number of configurations supported is (CFGC+1), so slot
|
|
* numbers range from 0 to config_count inclusive.
|
|
*/
|
|
return slot < ufshcd_num_keyslots(hba);
|
|
}
|
|
|
|
static inline bool ufshcd_hba_is_crypto_supported(struct ufs_hba *hba)
|
|
{
|
|
return hba->crypto_capabilities.reg_val != 0;
|
|
}
|
|
|
|
static inline bool ufshcd_is_crypto_enabled(struct ufs_hba *hba)
|
|
{
|
|
return hba->caps & UFSHCD_CAP_CRYPTO;
|
|
}
|
|
|
|
/* Functions implementing UFSHCI v2.1 specification behaviour */
|
|
int ufshcd_crypto_cap_find(struct ufs_hba *hba,
|
|
enum blk_crypto_mode_num crypto_mode,
|
|
unsigned int data_unit_size);
|
|
|
|
int ufshcd_prepare_lrbp_crypto_spec(struct ufs_hba *hba,
|
|
struct scsi_cmnd *cmd,
|
|
struct ufshcd_lrb *lrbp);
|
|
|
|
void ufshcd_crypto_enable_spec(struct ufs_hba *hba);
|
|
|
|
void ufshcd_crypto_disable_spec(struct ufs_hba *hba);
|
|
|
|
struct keyslot_mgmt_ll_ops;
|
|
int ufshcd_hba_init_crypto_spec(struct ufs_hba *hba,
|
|
const struct keyslot_mgmt_ll_ops *ksm_ops);
|
|
|
|
void ufshcd_crypto_setup_rq_keyslot_manager_spec(struct ufs_hba *hba,
|
|
struct request_queue *q);
|
|
|
|
void ufshcd_crypto_destroy_rq_keyslot_manager_spec(struct ufs_hba *hba,
|
|
struct request_queue *q);
|
|
|
|
static inline bool ufshcd_lrbp_crypto_enabled(struct ufshcd_lrb *lrbp)
|
|
{
|
|
return lrbp->crypto_enable;
|
|
}
|
|
|
|
/* Crypto Variant Ops Support */
|
|
void ufshcd_crypto_enable(struct ufs_hba *hba);
|
|
|
|
void ufshcd_crypto_disable(struct ufs_hba *hba);
|
|
|
|
int ufshcd_hba_init_crypto(struct ufs_hba *hba);
|
|
|
|
void ufshcd_crypto_setup_rq_keyslot_manager(struct ufs_hba *hba,
|
|
struct request_queue *q);
|
|
|
|
void ufshcd_crypto_destroy_rq_keyslot_manager(struct ufs_hba *hba,
|
|
struct request_queue *q);
|
|
|
|
int ufshcd_prepare_lrbp_crypto(struct ufs_hba *hba,
|
|
struct scsi_cmnd *cmd,
|
|
struct ufshcd_lrb *lrbp);
|
|
|
|
int ufshcd_map_sg_crypto(struct ufs_hba *hba, struct ufshcd_lrb *lrbp);
|
|
|
|
int ufshcd_complete_lrbp_crypto(struct ufs_hba *hba,
|
|
struct scsi_cmnd *cmd,
|
|
struct ufshcd_lrb *lrbp);
|
|
|
|
void ufshcd_crypto_debug(struct ufs_hba *hba);
|
|
|
|
int ufshcd_crypto_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op);
|
|
|
|
int ufshcd_crypto_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op);
|
|
|
|
void ufshcd_crypto_set_vops(struct ufs_hba *hba,
|
|
struct ufs_hba_crypto_variant_ops *crypto_vops);
|
|
|
|
#else /* CONFIG_SCSI_UFS_CRYPTO */
|
|
|
|
static inline bool ufshcd_keyslot_valid(struct ufs_hba *hba,
|
|
unsigned int slot)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
static inline bool ufshcd_hba_is_crypto_supported(struct ufs_hba *hba)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
static inline bool ufshcd_is_crypto_enabled(struct ufs_hba *hba)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
static inline void ufshcd_crypto_enable(struct ufs_hba *hba) { }
|
|
|
|
static inline void ufshcd_crypto_disable(struct ufs_hba *hba) { }
|
|
|
|
static inline int ufshcd_hba_init_crypto(struct ufs_hba *hba)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void ufshcd_crypto_setup_rq_keyslot_manager(struct ufs_hba *hba,
|
|
struct request_queue *q) { }
|
|
|
|
static inline void ufshcd_crypto_destroy_rq_keyslot_manager(struct ufs_hba *hba,
|
|
struct request_queue *q) { }
|
|
|
|
static inline int ufshcd_prepare_lrbp_crypto(struct ufs_hba *hba,
|
|
struct scsi_cmnd *cmd,
|
|
struct ufshcd_lrb *lrbp)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int ufshcd_map_sg_crypto(struct ufs_hba *hba,
|
|
struct ufshcd_lrb *lrbp)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline bool ufshcd_lrbp_crypto_enabled(struct ufshcd_lrb *lrbp)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
static inline int ufshcd_complete_lrbp_crypto(struct ufs_hba *hba,
|
|
struct scsi_cmnd *cmd,
|
|
struct ufshcd_lrb *lrbp)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void ufshcd_crypto_debug(struct ufs_hba *hba) { }
|
|
|
|
static inline int ufshcd_crypto_suspend(struct ufs_hba *hba,
|
|
enum ufs_pm_op pm_op)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int ufshcd_crypto_resume(struct ufs_hba *hba,
|
|
enum ufs_pm_op pm_op)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void ufshcd_crypto_set_vops(struct ufs_hba *hba,
|
|
struct ufs_hba_crypto_variant_ops *crypto_vops) { }
|
|
|
|
#endif /* CONFIG_SCSI_UFS_CRYPTO */
|
|
|
|
#endif /* _UFSHCD_CRYPTO_H */
|