1 files changed, 106 insertions, 0 deletions
diff --git a/src/seastar/dpdk/drivers/crypto/qat/qat_asym.h b/src/seastar/dpdk/drivers/crypto/qat/qat_asym.h
new file mode 100644
index 000000000..ce4839ba2
--- /dev/null
+++ b/src/seastar/dpdk/drivers/crypto/qat/qat_asym.h
@@ -0,0 +1,106 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2019 Intel Corporation
+ */
+
+#ifndef _QAT_ASYM_H_
+#define _QAT_ASYM_H_
+
+#include <rte_cryptodev_pmd.h>
+#include <rte_crypto_asym.h>
+#include "icp_qat_fw_pke.h"
+#include "qat_common.h"
+#include "qat_asym_pmd.h"
+#include "icp_qat_fw.h"
+
+typedef uint64_t large_int_ptr;
+#define MAX_PKE_PARAMS	8
+#define QAT_PKE_MAX_LN_SIZE 512
+#define _PKE_ALIGN_ __attribute__((__aligned__(8)))
+
+#define QAT_ASYM_ERROR_INVALID_PARAM	0x01
+
+struct qat_asym_op_cookie {
+	size_t alg_size;
+	uint64_t error;
+	rte_iova_t input_addr;
+	rte_iova_t output_addr;
+	large_int_ptr input_params_ptrs[MAX_PKE_PARAMS] _PKE_ALIGN_;
+	large_int_ptr output_params_ptrs[MAX_PKE_PARAMS] _PKE_ALIGN_;
+	union {
+		uint8_t input_array[MAX_PKE_PARAMS][QAT_PKE_MAX_LN_SIZE];
+		uint8_t input_buffer[MAX_PKE_PARAMS * QAT_PKE_MAX_LN_SIZE];
+	} _PKE_ALIGN_;
+	uint8_t output_array[MAX_PKE_PARAMS][QAT_PKE_MAX_LN_SIZE] _PKE_ALIGN_;
+} _PKE_ALIGN_;
+
+enum qat_asym_alg {
+	QAT_PKE_RSA,
+	QAT_PKE_DH,
+	QAT_PKE_DSA,
+	QAT_PKE_MODEXP,
+	QAT_PKE_MODINV,
+};
+
+struct qat_asym_session {
+	enum qat_asym_alg alg;
+	struct icp_qat_fw_pke_request req_tmpl;
+	uint64_t flags;
+	union {
+		struct {
+			rte_crypto_param n;
+			rte_crypto_param e;
+		} mod_exp;
+		struct {
+			rte_crypto_param n;
+		} mod_inv;
+	} sess_alg_params;
+};
+
+int
+qat_asym_session_configure(struct rte_cryptodev *dev,
+		struct rte_crypto_asym_xform *xform,
+		struct rte_cryptodev_asym_session *sess,
+		struct rte_mempool *mempool);
+
+unsigned int
+qat_asym_session_get_private_size(struct rte_cryptodev *dev);
+
+void
+qat_asym_session_clear(struct rte_cryptodev *dev,
+		struct rte_cryptodev_asym_session *sess);
+
+/*
+ * Build PKE request to be sent to the fw, partially uses template
+ * request generated during session creation.
+ *
+ * @param	in_op		Pointer to the crypto operation, for every
+ *				service it points to service specific struct.
+ * @param	out_msg		Message to be returned to enqueue function
+ * @param	op_cookie	Cookie pointer that holds private metadata
+ * @param	qat_dev_gen	Generation of QAT hardware
+ *
+ * @return
+ *	This function always returns zero,
+ *	it is because of backward compatibility.
+ *	- 0: Always returned
+ *
+ */
+int
+qat_asym_build_request(void *in_op, uint8_t *out_msg,
+		void *op_cookie, enum qat_device_gen qat_dev_gen);
+
+/*
+ * Process PKE response received from outgoing queue of QAT
+ *
+ * @param	op		a ptr to the rte_crypto_op referred to by
+ *				the response message is returned in this param
+ * @param	resp		icp_qat_fw_pke_resp message received from
+ *				outgoing fw message queue
+ * @param	op_cookie	Cookie pointer that holds private metadata
+ *
+ */
+void
+qat_asym_process_response(void __rte_unused **op, uint8_t *resp,
+		void *op_cookie);
+
+#endif /* _QAT_ASYM_H_ */