Imported Upstream version 16.04

[deb_dpdk.git] / drivers / crypto / aesni_gcm / aesni_gcm_ops.h

diff --git a/drivers/crypto/aesni_gcm/aesni_gcm_ops.h b/drivers/crypto/aesni_gcm/aesni_gcm_ops.h
new file mode 100644 (file)
index 0000000..c399068
--- /dev/null
+++ b/drivers/crypto/aesni_gcm/aesni_gcm_ops.h
@@ -0,0 +1,127 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2016 Intel Corporation. All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _AESNI_GCM_OPS_H_
+#define _AESNI_GCM_OPS_H_
+
+#ifndef LINUX
+#define LINUX
+#endif
+
+#include <gcm_defines.h>
+#include <aux_funcs.h>
+
+/** Supported vector modes */
+enum aesni_gcm_vector_mode {
+       RTE_AESNI_GCM_NOT_SUPPORTED = 0,
+       RTE_AESNI_GCM_SSE,
+       RTE_AESNI_GCM_AVX,
+       RTE_AESNI_GCM_AVX2
+};
+
+typedef void (*aes_keyexp_128_enc_t)(void *key, void *enc_exp_keys);
+
+typedef void (*aesni_gcm_t)(gcm_data *my_ctx_data, u8 *out, const u8 *in,
+               u64 plaintext_len, u8 *iv, const u8 *aad, u64 aad_len,
+               u8 *auth_tag, u64 auth_tag_len);
+
+typedef void (*aesni_gcm_precomp_t)(gcm_data *my_ctx_data, u8 *hash_subkey);
+
+/** GCM library function pointer table */
+struct aesni_gcm_ops {
+       struct {
+               struct {
+                       aes_keyexp_128_enc_t aes128_enc;
+                       /**< AES128 enc key expansion */
+               } keyexp;
+               /**< Key expansion functions */
+       } aux; /**< Auxiliary functions */
+
+       struct {
+               aesni_gcm_t enc;        /**< GCM encode function pointer */
+               aesni_gcm_t dec;        /**< GCM decode function pointer */
+               aesni_gcm_precomp_t precomp;    /**< GCM pre-compute */
+       } gcm; /**< GCM functions */
+};
+
+
+static const struct aesni_gcm_ops gcm_ops[] = {
+       [RTE_AESNI_GCM_NOT_SUPPORTED] = {
+               .aux = {
+                       .keyexp = {
+                               NULL
+                       }
+               },
+               .gcm = {
+                       NULL
+               }
+       },
+       [RTE_AESNI_GCM_SSE] = {
+               .aux = {
+                       .keyexp = {
+                               aes_keyexp_128_enc_sse
+                       }
+               },
+               .gcm = {
+                       aesni_gcm_enc_sse,
+                       aesni_gcm_dec_sse,
+                       aesni_gcm_precomp_sse
+               }
+       },
+       [RTE_AESNI_GCM_AVX] = {
+               .aux = {
+                       .keyexp = {
+                               aes_keyexp_128_enc_avx,
+                       }
+               },
+               .gcm = {
+                       aesni_gcm_enc_avx_gen2,
+                       aesni_gcm_dec_avx_gen2,
+                       aesni_gcm_precomp_avx_gen2
+               }
+       },
+       [RTE_AESNI_GCM_AVX2] = {
+               .aux = {
+                       .keyexp = {
+                               aes_keyexp_128_enc_avx2,
+                       }
+               },
+               .gcm = {
+                       aesni_gcm_enc_avx_gen4,
+                       aesni_gcm_dec_avx_gen4,
+                       aesni_gcm_precomp_avx_gen4
+               }
+       }
+};
+
+
+#endif /* _AESNI_GCM_OPS_H_ */