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