diff options
Diffstat (limited to 'drivers/crypto/tegra/tegra-se.h')
| -rw-r--r-- | drivers/crypto/tegra/tegra-se.h | 39 |
1 files changed, 34 insertions, 5 deletions
diff --git a/drivers/crypto/tegra/tegra-se.h b/drivers/crypto/tegra/tegra-se.h index b9dd7ceb8783..b6cac9384f66 100644 --- a/drivers/crypto/tegra/tegra-se.h +++ b/drivers/crypto/tegra/tegra-se.h @@ -24,6 +24,7 @@ #define SE_STREAM_ID 0x90 #define SE_SHA_CFG 0x4004 +#define SE_SHA_IN_ADDR 0x400c #define SE_SHA_KEY_ADDR 0x4094 #define SE_SHA_KEY_DATA 0x4098 #define SE_SHA_KEYMANIFEST 0x409c @@ -340,12 +341,14 @@ #define SE_CRYPTO_CTR_REG_COUNT 4 #define SE_MAX_KEYSLOT 15 #define SE_MAX_MEM_ALLOC SZ_4M -#define SE_AES_BUFLEN 0x8000 -#define SE_SHA_BUFLEN 0x2000 + +#define TEGRA_AES_RESERVED_KSLT 14 +#define TEGRA_XTS_RESERVED_KSLT 15 #define SHA_FIRST BIT(0) -#define SHA_UPDATE BIT(1) -#define SHA_FINAL BIT(2) +#define SHA_INIT BIT(1) +#define SHA_UPDATE BIT(2) +#define SHA_FINAL BIT(3) /* Security Engine operation modes */ enum se_aes_alg { @@ -420,6 +423,7 @@ struct tegra_se { struct host1x_client client; struct host1x_channel *channel; struct tegra_se_cmdbuf *cmdbuf; + struct tegra_se_cmdbuf *keybuf; struct crypto_engine *engine; struct host1x_syncpt *syncpt; struct device *dev; @@ -501,8 +505,33 @@ void tegra_deinit_aes(struct tegra_se *se); void tegra_deinit_hash(struct tegra_se *se); int tegra_key_submit(struct tegra_se *se, const u8 *key, u32 keylen, u32 alg, u32 *keyid); + +int tegra_key_submit_reserved(struct tegra_se *se, const u8 *key, + u32 keylen, u32 alg, u32 *keyid); + void tegra_key_invalidate(struct tegra_se *se, u32 keyid, u32 alg); -int tegra_se_host1x_submit(struct tegra_se *se, u32 size); +void tegra_key_invalidate_reserved(struct tegra_se *se, u32 keyid, u32 alg); +int tegra_se_host1x_submit(struct tegra_se *se, struct tegra_se_cmdbuf *cmdbuf, u32 size); + +static inline int tegra_key_submit_reserved_aes(struct tegra_se *se, const u8 *key, + u32 keylen, u32 alg, u32 *keyid) +{ + *keyid = TEGRA_AES_RESERVED_KSLT; + return tegra_key_submit_reserved(se, key, keylen, alg, keyid); +} + +static inline int tegra_key_submit_reserved_xts(struct tegra_se *se, const u8 *key, + u32 keylen, u32 alg, u32 *keyid) +{ + *keyid = TEGRA_XTS_RESERVED_KSLT; + return tegra_key_submit_reserved(se, key, keylen, alg, keyid); +} + +static inline bool tegra_key_is_reserved(u32 keyid) +{ + return ((keyid == TEGRA_AES_RESERVED_KSLT) || + (keyid == TEGRA_XTS_RESERVED_KSLT)); +} /* HOST1x OPCODES */ static inline u32 host1x_opcode_setpayload(unsigned int payload) |