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Diffstat (limited to 'drivers/staging/ccree/cc_cipher.h')
-rw-r--r--drivers/staging/ccree/cc_cipher.h74
1 files changed, 74 insertions, 0 deletions
diff --git a/drivers/staging/ccree/cc_cipher.h b/drivers/staging/ccree/cc_cipher.h
new file mode 100644
index 000000000000..4c181c721723
--- /dev/null
+++ b/drivers/staging/ccree/cc_cipher.h
@@ -0,0 +1,74 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */
+
+/* \file cc_cipher.h
+ * ARM CryptoCell Cipher Crypto API
+ */
+
+#ifndef __CC_CIPHER_H__
+#define __CC_CIPHER_H__
+
+#include <linux/kernel.h>
+#include <crypto/algapi.h>
+#include "cc_driver.h"
+#include "cc_buffer_mgr.h"
+
+/* Crypto cipher flags */
+#define CC_CRYPTO_CIPHER_KEY_KFDE0 BIT(0)
+#define CC_CRYPTO_CIPHER_KEY_KFDE1 BIT(1)
+#define CC_CRYPTO_CIPHER_KEY_KFDE2 BIT(2)
+#define CC_CRYPTO_CIPHER_KEY_KFDE3 BIT(3)
+#define CC_CRYPTO_CIPHER_DU_SIZE_512B BIT(4)
+
+#define CC_CRYPTO_CIPHER_KEY_KFDE_MASK (CC_CRYPTO_CIPHER_KEY_KFDE0 | \
+ CC_CRYPTO_CIPHER_KEY_KFDE1 | \
+ CC_CRYPTO_CIPHER_KEY_KFDE2 | \
+ CC_CRYPTO_CIPHER_KEY_KFDE3)
+
+struct blkcipher_req_ctx {
+ struct async_gen_req_ctx gen_ctx;
+ enum cc_req_dma_buf_type dma_buf_type;
+ u32 in_nents;
+ u32 in_mlli_nents;
+ u32 out_nents;
+ u32 out_mlli_nents;
+ u8 *backup_info; /*store iv for generated IV flow*/
+ u8 *iv;
+ bool is_giv;
+ struct mlli_params mlli_params;
+};
+
+int cc_cipher_alloc(struct cc_drvdata *drvdata);
+
+int cc_cipher_free(struct cc_drvdata *drvdata);
+
+#ifndef CRYPTO_ALG_BULK_MASK
+
+#define CRYPTO_ALG_BULK_DU_512 0x00002000
+#define CRYPTO_ALG_BULK_DU_4096 0x00004000
+#define CRYPTO_ALG_BULK_MASK (CRYPTO_ALG_BULK_DU_512 |\
+ CRYPTO_ALG_BULK_DU_4096)
+#endif /* CRYPTO_ALG_BULK_MASK */
+
+#ifdef CRYPTO_TFM_REQ_HW_KEY
+
+static inline bool cc_is_hw_key(struct crypto_tfm *tfm)
+{
+ return (crypto_tfm_get_flags(tfm) & CRYPTO_TFM_REQ_HW_KEY);
+}
+
+#else
+
+struct arm_hw_key_info {
+ int hw_key1;
+ int hw_key2;
+};
+
+static inline bool cc_is_hw_key(struct crypto_tfm *tfm)
+{
+ return false;
+}
+
+#endif /* CRYPTO_TFM_REQ_HW_KEY */
+
+#endif /*__CC_CIPHER_H__*/