New upstream version 18.08upstream/18.08

Change-Id: I32fdf5e5016556d9c0a6d88ddaf1fc468961790a
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>

1 files changed, 111 insertions, 0 deletions

diff --git a/drivers/common/qat/qat_qp.h b/drivers/common/qat/qat_qp.h
new file mode 100644
index 00000000..69f8a613
--- /dev/null
+++ b/drivers/common/qat/qat_qp.h
@@ -0,0 +1,111 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Intel Corporation
+ */
+#ifndef _QAT_QP_H_
+#define _QAT_QP_H_
+
+#include "qat_common.h"
+#include "adf_transport_access_macros.h"
+
+struct qat_pci_device;
+
+#define QAT_CSR_HEAD_WRITE_THRESH 32U
+/* number of requests to accumulate before writing head CSR */
+#define QAT_CSR_TAIL_WRITE_THRESH 32U
+/* number of requests to accumulate before writing tail CSR */
+#define QAT_CSR_TAIL_FORCE_WRITE_THRESH 256U
+/* number of inflights below which no tail write coalescing should occur */
+
+typedef int (*build_request_t)(void *op,
+		uint8_t *req, void *op_cookie,
+		enum qat_device_gen qat_dev_gen);
+/**< Build a request from an op. */
+
+/**
+ * Structure with data needed for creation of queue pair.
+ */
+struct qat_qp_hw_data {
+	enum qat_service_type service_type;
+	uint8_t hw_bundle_num;
+	uint8_t tx_ring_num;
+	uint8_t rx_ring_num;
+	uint16_t tx_msg_size;
+	uint16_t rx_msg_size;
+};
+/**
+ * Structure with data needed for creation of queue pair.
+ */
+struct qat_qp_config {
+	const struct qat_qp_hw_data *hw;
+	uint32_t nb_descriptors;
+	uint32_t cookie_size;
+	int socket_id;
+	build_request_t build_request;
+	const char *service_str;
+};
+
+/**
+ * Structure associated with each queue.
+ */
+struct qat_queue {
+	char		memz_name[RTE_MEMZONE_NAMESIZE];
+	void		*base_addr;		/* Base address */
+	rte_iova_t	base_phys_addr;		/* Queue physical address */
+	uint32_t	head;			/* Shadow copy of the head */
+	uint32_t	tail;			/* Shadow copy of the tail */
+	uint32_t	modulo_mask;
+	uint32_t	msg_size;
+	uint16_t	max_inflights;
+	uint32_t	queue_size;
+	uint8_t		hw_bundle_number;
+	uint8_t		hw_queue_number;
+	/* HW queue aka ring offset on bundle */
+	uint32_t	csr_head;		/* last written head value */
+	uint32_t	csr_tail;		/* last written tail value */
+	uint16_t	nb_processed_responses;
+	/* number of responses processed since last CSR head write */
+	uint16_t	nb_pending_requests;
+	/* number of requests pending since last CSR tail write */
+};
+
+struct qat_qp {
+	void			*mmap_bar_addr;
+	uint16_t		inflights16;
+	struct qat_queue	tx_q;
+	struct qat_queue	rx_q;
+	struct qat_common_stats stats;
+	struct rte_mempool *op_cookie_pool;
+	void **op_cookies;
+	uint32_t nb_descriptors;
+	enum qat_device_gen qat_dev_gen;
+	build_request_t build_request;
+	enum qat_service_type service_type;
+	struct qat_pci_device *qat_dev;
+	/**< qat device this qp is on */
+} __rte_cache_aligned;
+
+extern const struct qat_qp_hw_data qat_gen1_qps[][ADF_MAX_QPS_ON_ANY_SERVICE];
+
+uint16_t
+qat_enqueue_op_burst(void *qp, void **ops, uint16_t nb_ops);
+
+uint16_t
+qat_dequeue_op_burst(void *qp, void **ops, uint16_t nb_ops);
+
+int
+qat_qp_release(struct qat_qp **qp_addr);
+
+int
+qat_qp_setup(struct qat_pci_device *qat_dev,
+		struct qat_qp **qp_addr, uint16_t queue_pair_id,
+		struct qat_qp_config *qat_qp_conf);
+
+int
+qat_qps_per_service(const struct qat_qp_hw_data *qp_hw_data,
+			enum qat_service_type service);
+
+/* Needed for weak function*/
+int
+qat_comp_process_response(void **op __rte_unused, uint8_t *resp __rte_unused);
+
+#endif /* _QAT_QP_H_ */