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Diffstat (limited to 'drivers/crypto/qce/sha.h')
-rw-r--r--drivers/crypto/qce/sha.h81
1 files changed, 81 insertions, 0 deletions
diff --git a/drivers/crypto/qce/sha.h b/drivers/crypto/qce/sha.h
new file mode 100644
index 000000000..286f0d539
--- /dev/null
+++ b/drivers/crypto/qce/sha.h
@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2010-2014, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _SHA_H_
+#define _SHA_H_
+
+#include <crypto/scatterwalk.h>
+#include <crypto/sha.h>
+
+#include "common.h"
+#include "core.h"
+
+#define QCE_SHA_MAX_BLOCKSIZE SHA256_BLOCK_SIZE
+#define QCE_SHA_MAX_DIGESTSIZE SHA256_DIGEST_SIZE
+
+struct qce_sha_ctx {
+ u8 authkey[QCE_SHA_MAX_BLOCKSIZE];
+};
+
+/**
+ * struct qce_sha_reqctx - holds private ahash objects per request
+ * @buf: used during update, import and export
+ * @tmpbuf: buffer for internal use
+ * @digest: calculated digest buffer
+ * @buflen: length of the buffer
+ * @flags: operation flags
+ * @src_orig: original request sg list
+ * @nbytes_orig: original request number of bytes
+ * @src_chained: is source scatterlist chained
+ * @src_nents: source number of entries
+ * @byte_count: byte count
+ * @count: save count in states during update, import and export
+ * @first_blk: is it the first block
+ * @last_blk: is it the last block
+ * @sg: used to chain sg lists
+ * @authkey: pointer to auth key in sha ctx
+ * @authklen: auth key length
+ * @result_sg: scatterlist used for result buffer
+ */
+struct qce_sha_reqctx {
+ u8 buf[QCE_SHA_MAX_BLOCKSIZE];
+ u8 tmpbuf[QCE_SHA_MAX_BLOCKSIZE];
+ u8 digest[QCE_SHA_MAX_DIGESTSIZE];
+ unsigned int buflen;
+ unsigned long flags;
+ struct scatterlist *src_orig;
+ unsigned int nbytes_orig;
+ bool src_chained;
+ int src_nents;
+ __be32 byte_count[2];
+ u64 count;
+ bool first_blk;
+ bool last_blk;
+ struct scatterlist sg[2];
+ u8 *authkey;
+ unsigned int authklen;
+ struct scatterlist result_sg;
+};
+
+static inline struct qce_alg_template *to_ahash_tmpl(struct crypto_tfm *tfm)
+{
+ struct crypto_ahash *ahash = __crypto_ahash_cast(tfm);
+ struct ahash_alg *alg = container_of(crypto_hash_alg_common(ahash),
+ struct ahash_alg, halg);
+
+ return container_of(alg, struct qce_alg_template, alg.ahash);
+}
+
+extern const struct qce_algo_ops ahash_ops;
+
+#endif /* _SHA_H_ */