[dpdk-dev] [dpdk-dev v2 1/7] crypro/qat: qat driver refactor skeleton

[Kai Ji <kai.ji@intel.com>]

Add-in enqueue/dequeue op burst and build-request skeleton functions
for qat crypto driver refactor.

Signed-off-by: Kai Ji <kai.ji@intel.com>
Acked-by: Fan Zhang <roy.fan.zhang@intel.com>
---
 drivers/common/qat/qat_qp.c          | 16 +++++++++
 drivers/common/qat/qat_qp.h          | 54 ++++++++++++++++++++++++++++
 drivers/crypto/qat/qat_asym.c        | 43 ++++++++++++++++++++++
 drivers/crypto/qat/qat_asym.h        | 15 ++++++++
 drivers/crypto/qat/qat_sym.c         | 37 +++++++++++++++++++
 drivers/crypto/qat/qat_sym.h         | 16 +++++++++
 drivers/crypto/qat/qat_sym_session.h |  6 ++++
 7 files changed, 187 insertions(+)

diff --git a/drivers/common/qat/qat_qp.c b/drivers/common/qat/qat_qp.c
index cde421eb77..0fda890075 100644
--- a/drivers/common/qat/qat_qp.c
+++ b/drivers/common/qat/qat_qp.c
@@ -549,6 +549,22 @@ adf_modulo(uint32_t data, uint32_t modulo_mask)
 	return data & modulo_mask;
 }
 
+uint16_t
+refactor_qat_enqueue_op_burst(__rte_unused void *qp,
+		__rte_unused qat_op_build_request_t op_build_request,
+		__rte_unused void **ops, __rte_unused uint16_t nb_ops)
+{
+	return 0;
+}
+
+uint16_t
+refactor_qat_dequeue_op_burst(__rte_unused void *qp, __rte_unused void **ops,
+		__rte_unused qat_op_dequeue_t qat_dequeue_process_response,
+		__rte_unused uint16_t nb_ops)
+{
+	return 0;
+}
+
 uint16_t
 qat_enqueue_op_burst(void *qp, void **ops, uint16_t nb_ops)
 {
diff --git a/drivers/common/qat/qat_qp.h b/drivers/common/qat/qat_qp.h
index deafb407b3..b1350cdaf4 100644
--- a/drivers/common/qat/qat_qp.h
+++ b/drivers/common/qat/qat_qp.h
@@ -36,6 +36,51 @@ struct qat_queue {
 	/* number of responses processed since last CSR head write */
 };
 
+/**
+ * Type define qat_op_build_request_t function pointer, passed in as argument
+ * in enqueue op burst, where a build request assigned base on the type of
+ * crypto op.
+ *
+ * @param in_op
+ *    An input op pointer
+ * @param out_msg
+ *    out_meg pointer
+ * @param op_cookie
+ *    op cookie pointer
+ * @param opaque
+ *    an opaque data may be used to store context may be useful between
+ *    2 enqueue operations.
+ * @param dev_gen
+ *    qat device gen id
+ * @return
+ *   - 0 if the crypto request is build successfully,
+ *   - error code otherwise
+ **/
+typedef int (*qat_op_build_request_t)(void *in_op, uint8_t *out_msg,
+		void *op_cookie, uint64_t *opaque, enum qat_device_gen dev_gen);
+
+/**
+ * Type define qat_op_dequeue_t function pointer, passed in as argument
+ * in dequeue op burst, where a dequeue op assigned base on the type of
+ * crypto op.
+ *
+ * @param op
+ *    An input op pointer
+ * @param resp
+ *    qat response msg pointer
+ * @param op_cookie
+ *    op cookie pointer
+ * @param dequeue_err_count
+ *    dequeue error counter
+ * @return
+ *    - 0 if dequeue OP is successful
+ *    - error code otherwise
+ **/
+typedef int (*qat_op_dequeue_t)(void **op, uint8_t *resp, void *op_cookie,
+		uint64_t *dequeue_err_count __rte_unused);
+
+#define QAT_BUILD_REQUEST_MAX_OPAQUE_SIZE	2
+
 struct qat_qp {
 	void			*mmap_bar_addr;
 	struct qat_queue	tx_q;
@@ -44,6 +89,7 @@ struct qat_qp {
 	struct rte_mempool *op_cookie_pool;
 	void **op_cookies;
 	uint32_t nb_descriptors;
+	uint64_t opaque[QAT_BUILD_REQUEST_MAX_OPAQUE_SIZE];
 	enum qat_device_gen qat_dev_gen;
 	enum qat_service_type service_type;
 	struct qat_pci_device *qat_dev;
@@ -77,6 +123,14 @@ struct qat_qp_config {
 	const char *service_str;
 };
 
+uint16_t
+refactor_qat_enqueue_op_burst(void *qp, qat_op_build_request_t op_build_request,
+		void **ops, uint16_t nb_ops);
+
+uint16_t
+refactor_qat_dequeue_op_burst(void *qp, void **ops,
+		qat_op_dequeue_t qat_dequeue_process_response, uint16_t nb_ops);
+
 uint16_t
 qat_enqueue_op_burst(void *qp, void **ops, uint16_t nb_ops);
 
diff --git a/drivers/crypto/qat/qat_asym.c b/drivers/crypto/qat/qat_asym.c
index 85973812a8..c3bbdb6eb8 100644
--- a/drivers/crypto/qat/qat_asym.c
+++ b/drivers/crypto/qat/qat_asym.c
@@ -456,6 +456,49 @@ qat_asym_fill_arrays(struct rte_crypto_asym_op *asym_op,
 	return 0;
 }
 
+/*
+ * Asym build request refactor function template,
+ * will be removed in the later patchset.
+ */
+static __rte_always_inline int
+refactor_qat_asym_build_request(__rte_unused void *in_op,
+		__rte_unused uint8_t *out_msg, __rte_unused void *op_cookie,
+		__rte_unused uint64_t *opaque,
+		__rte_unused enum qat_device_gen dev_gen)
+{
+	return 0;
+}
+
+/*
+ * Asym process response refactor function template,
+ * will be removed in the later patchset.
+ */
+int
+refactor_qat_asym_process_response(__rte_unused void **op,
+		__rte_unused uint8_t *resp,
+		__rte_unused void *op_cookie,
+		__rte_unused uint64_t *dequeue_err_count)
+{
+	return 0;
+}
+
+uint16_t
+qat_asym_crypto_enqueue_op_burst(void *qp, struct rte_crypto_op **ops,
+		uint16_t nb_ops)
+{
+	return refactor_qat_enqueue_op_burst(qp,
+					refactor_qat_asym_build_request,
+					(void **)ops, nb_ops);
+}
+
+uint16_t
+qat_asym_crypto_dequeue_op_burst(void *qp, struct rte_crypto_op **ops,
+		uint16_t nb_ops)
+{
+	return refactor_qat_dequeue_op_burst(qp, (void **)ops,
+				refactor_qat_asym_process_response, nb_ops);
+}
+
 int
 qat_asym_build_request(void *in_op,
 			uint8_t *out_msg,
diff --git a/drivers/crypto/qat/qat_asym.h b/drivers/crypto/qat/qat_asym.h
index 308b6b2e0b..50c2641eba 100644
--- a/drivers/crypto/qat/qat_asym.h
+++ b/drivers/crypto/qat/qat_asym.h
@@ -92,4 +92,19 @@ void
 qat_asym_process_response(void __rte_unused **op, uint8_t *resp,
 		void *op_cookie);
 
+int
+refactor_qat_asym_process_response(__rte_unused void **op,
+		__rte_unused uint8_t *resp,
+		__rte_unused void *op_cookie,
+		__rte_unused uint64_t *dequeue_err_count);
+
+uint16_t
+qat_asym_crypto_enqueue_op_burst(void *qp, struct rte_crypto_op **ops,
+		uint16_t nb_ops);
+
+
+uint16_t
+qat_asym_crypto_dequeue_op_burst(void *qp, struct rte_crypto_op **ops,
+		uint16_t nb_ops);
+
 #endif /* _QAT_ASYM_H_ */
diff --git a/drivers/crypto/qat/qat_sym.c b/drivers/crypto/qat/qat_sym.c
index 93b257522b..576ef532a7 100644
--- a/drivers/crypto/qat/qat_sym.c
+++ b/drivers/crypto/qat/qat_sym.c
@@ -210,6 +210,43 @@ handle_spc_gmac(struct qat_sym_session *ctx, struct rte_crypto_op *op,
 			ICP_QAT_FW_LA_NO_PROTO);
 }
 
+/*
+ * Sym build request refactor function template,
+ * will be removed in the later patchset.
+ */
+static __rte_always_inline int
+refactor_qat_sym_build_request(__rte_unused void *in_op,
+		__rte_unused uint8_t *out_msg, __rte_unused	void *op_cookie,
+		__rte_unused uint64_t *opaque,
+		__rte_unused enum qat_device_gen dev_gen)
+{
+	return 0;
+}
+
+/*
+ * Sym enqueue burst refactor function template,
+ * will be removed in the later patchset.
+ */
+uint16_t
+refactor_qat_sym_enqueue_burst(void *qp, struct rte_crypto_op **ops,
+		uint16_t nb_ops)
+{
+	return refactor_qat_enqueue_op_burst(qp, refactor_qat_sym_build_request,
+			(void **)ops, nb_ops);
+}
+
+/*
+ * Sym dequeue burst refactor function template,
+ * will be removed in the later patchset.
+ */
+uint16_t
+refactor_qat_sym_dequeue_burst(void *qp, struct rte_crypto_op **ops,
+		uint16_t nb_ops)
+{
+	return refactor_qat_dequeue_op_burst(qp, (void **)ops,
+				refactor_qat_sym_process_response, nb_ops);
+}
+
 int
 qat_sym_build_request(void *in_op, uint8_t *out_msg,
 		void *op_cookie, enum qat_device_gen qat_dev_gen)
diff --git a/drivers/crypto/qat/qat_sym.h b/drivers/crypto/qat/qat_sym.h
index e3ec7f0de4..17b2c871bd 100644
--- a/drivers/crypto/qat/qat_sym.h
+++ b/drivers/crypto/qat/qat_sym.h
@@ -54,6 +54,22 @@ struct qat_sym_op_cookie {
 	} opt;
 };
 
+static __rte_always_inline int
+refactor_qat_sym_process_response(__rte_unused void **op,
+		__rte_unused uint8_t *resp, __rte_unused void *op_cookie,
+		__rte_unused uint64_t *dequeue_err_count)
+{
+	return 0;
+}
+
+uint16_t
+refactor_qat_sym_enqueue_burst(void *qp, struct rte_crypto_op **ops,
+		uint16_t nb_ops);
+
+uint16_t
+refactor_qat_sym_dequeue_burst(void *qp, struct rte_crypto_op **ops,
+		uint16_t nb_ops);
+
 int
 qat_sym_build_request(void *in_op, uint8_t *out_msg,
 		void *op_cookie, enum qat_device_gen qat_dev_gen);
diff --git a/drivers/crypto/qat/qat_sym_session.h b/drivers/crypto/qat/qat_sym_session.h
index 6ebc176729..73493ec864 100644
--- a/drivers/crypto/qat/qat_sym_session.h
+++ b/drivers/crypto/qat/qat_sym_session.h
@@ -55,6 +55,11 @@
 #define QAT_SESSION_IS_SLICE_SET(flags, flag)	\
 	(!!((flags) & (flag)))
 
+struct qat_sym_session;
+
+typedef int (*qat_sym_build_request_t)(void *in_op, struct qat_sym_session *ctx,
+		uint8_t *out_msg, void *op_cookie);
+
 enum qat_sym_proto_flag {
 	QAT_CRYPTO_PROTO_FLAG_NONE = 0,
 	QAT_CRYPTO_PROTO_FLAG_CCM = 1,
@@ -107,6 +112,7 @@ struct qat_sym_session {
 	/* Some generations need different setup of counter */
 	uint32_t slice_types;
 	enum qat_sym_proto_flag qat_proto_flag;
+	qat_sym_build_request_t build_request[2];
 };
 
 int
-- 
2.17.1