Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 84 insertions, 0 deletions

diff --git a/include/crypto/internal/acompress.h b/include/crypto/internal/acompress.h
new file mode 100644
index 000000000..51052f65c
--- /dev/null
+++ b/include/crypto/internal/acompress.h
@@ -0,0 +1,84 @@
+/*
+ * Asynchronous Compression operations
+ *
+ * Copyright (c) 2016, Intel Corporation
+ * Authors: Weigang Li <weigang.li@intel.com>
+ *          Giovanni Cabiddu <giovanni.cabiddu@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ */
+#ifndef _CRYPTO_ACOMP_INT_H
+#define _CRYPTO_ACOMP_INT_H
+#include <crypto/acompress.h>
+
+/*
+ * Transform internal helpers.
+ */
+static inline void *acomp_request_ctx(struct acomp_req *req)
+{
+	return req->__ctx;
+}
+
+static inline void *acomp_tfm_ctx(struct crypto_acomp *tfm)
+{
+	return tfm->base.__crt_ctx;
+}
+
+static inline void acomp_request_complete(struct acomp_req *req,
+					  int err)
+{
+	req->base.complete(&req->base, err);
+}
+
+static inline const char *acomp_alg_name(struct crypto_acomp *tfm)
+{
+	return crypto_acomp_tfm(tfm)->__crt_alg->cra_name;
+}
+
+static inline struct acomp_req *__acomp_request_alloc(struct crypto_acomp *tfm)
+{
+	struct acomp_req *req;
+
+	req = kzalloc(sizeof(*req) + crypto_acomp_reqsize(tfm), GFP_KERNEL);
+	if (likely(req))
+		acomp_request_set_tfm(req, tfm);
+	return req;
+}
+
+static inline void __acomp_request_free(struct acomp_req *req)
+{
+	kzfree(req);
+}
+
+/**
+ * crypto_register_acomp() -- Register asynchronous compression algorithm
+ *
+ * Function registers an implementation of an asynchronous
+ * compression algorithm
+ *
+ * @alg:	algorithm definition
+ *
+ * Return:	zero on success; error code in case of error
+ */
+int crypto_register_acomp(struct acomp_alg *alg);
+
+/**
+ * crypto_unregister_acomp() -- Unregister asynchronous compression algorithm
+ *
+ * Function unregisters an implementation of an asynchronous
+ * compression algorithm
+ *
+ * @alg:	algorithm definition
+ *
+ * Return:	zero on success; error code in case of error
+ */
+int crypto_unregister_acomp(struct acomp_alg *alg);
+
+int crypto_register_acomps(struct acomp_alg *algs, int count);
+void crypto_unregister_acomps(struct acomp_alg *algs, int count);
+
+#endif