117 lines
2.5 KiB
C
117 lines
2.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Copyright (C) 2019 MediaTek Inc.
|
|
*/
|
|
|
|
#ifndef _MMC_CRYPTO_H
|
|
#define _MMC_CRYPTO_H
|
|
|
|
#ifdef CONFIG_MMC_CRYPTO
|
|
#include <linux/keyslot-manager.h>
|
|
#include <linux/mmc/host.h>
|
|
#include <linux/mmc/core.h>
|
|
#include <linux/blkdev.h>
|
|
|
|
#define NUM_KEYSLOTS(host) \
|
|
(((u32)(host->crypto_capabilities.config_count) & 0xFF))
|
|
|
|
/* vendor's host structure will be hook by mmc_host->private */
|
|
static inline void *get_ll_mmc_host(struct mmc_host *host)
|
|
{
|
|
return (void *)host->private;
|
|
}
|
|
|
|
static inline bool mmc_keyslot_valid(struct mmc_host *host, unsigned int slot)
|
|
{
|
|
/*
|
|
* The actual number of configurations supported is (CFGC+1), so slot
|
|
* numbers range from 0 to config_count inclusive.
|
|
*/
|
|
return slot < NUM_KEYSLOTS(host);
|
|
}
|
|
|
|
static inline bool mmc_is_crypto_supported(struct mmc_host *host)
|
|
{
|
|
return host->crypto_capabilities.reg_val != 0;
|
|
}
|
|
|
|
static inline bool mmc_is_crypto_enabled(struct mmc_host *host)
|
|
{
|
|
return host->caps2 & MMC_CAP2_CRYPTO;
|
|
}
|
|
|
|
struct keyslot_mgmt_ll_ops;
|
|
|
|
/* Crypto Variant Ops Support */
|
|
|
|
int mmc_init_crypto(struct mmc_host *host);
|
|
|
|
int mmc_prepare_mqr_crypto(struct mmc_host *host,
|
|
struct mmc_queue_req *mqr);
|
|
int mmc_swcq_prepare_mqr_crypto(struct mmc_host *host,
|
|
struct mmc_request *mrq);
|
|
|
|
int mmc_complete_mqr_crypto(struct mmc_host *host);
|
|
|
|
void mmc_crypto_debug(struct mmc_host *host);
|
|
|
|
int mmc_crypto_suspend(struct mmc_host *host);
|
|
|
|
int mmc_crypto_resume(struct mmc_host *host);
|
|
|
|
void mmc_crypto_set_vops(struct mmc_host *host,
|
|
struct mmc_crypto_variant_ops *crypto_vops);
|
|
|
|
#else /* CONFIG_MMC_CRYPTO */
|
|
#include "queue.h"
|
|
static inline bool mmc_keyslot_valid(struct mmc_host *host,
|
|
unsigned int slot)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
static inline bool mmc_is_crypto_supported(struct mmc_host *host)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
static inline bool mmc_is_crypto_enabled(struct mmc_host *host)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
static inline int mmc_init_crypto(struct mmc_host *host)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int mmc_swcq_prepare_mqr_crypto(struct mmc_host *host,
|
|
struct mmc_request *mrq)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int mmc_complete_mqr_crypto(struct mmc_host *host)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void mmc_crypto_debug(struct mmc_host *host) { }
|
|
|
|
static inline int mmc_crypto_suspend(struct mmc_host *host)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int mmc_crypto_resume(struct mmc_host *host)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void mmc_crypto_set_vops(struct mmc_host *host,
|
|
struct mmc_crypto_variant_ops *crypto_vops) { }
|
|
|
|
#endif /* CONFIG_MMC_CRYPTO */
|
|
|
|
#endif /* _MMC_CRYPTO_H */
|