1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2018 Intel Corporation
7 #include "qat_common.h"
8 #include "adf_transport_access_macros.h"
10 struct qat_pci_device;
12 #define QAT_CSR_HEAD_WRITE_THRESH 32U
13 /* number of requests to accumulate before writing head CSR */
15 #define QAT_QP_MIN_INFL_THRESHOLD 256
18 * Structure with data needed for creation of queue pair.
20 struct qat_qp_hw_data {
21 enum qat_service_type service_type;
22 uint8_t hw_bundle_num;
30 * Structure with data needed for creation of queue pair.
32 struct qat_qp_config {
33 const struct qat_qp_hw_data *hw;
34 uint32_t nb_descriptors;
37 const char *service_str;
41 * Structure associated with each queue.
44 char memz_name[RTE_MEMZONE_NAMESIZE];
45 void *base_addr; /* Base address */
46 rte_iova_t base_phys_addr; /* Queue physical address */
47 uint32_t head; /* Shadow copy of the head */
48 uint32_t tail; /* Shadow copy of the tail */
53 uint8_t hw_bundle_number;
54 uint8_t hw_queue_number;
55 /* HW queue aka ring offset on bundle */
56 uint32_t csr_head; /* last written head value */
57 uint32_t csr_tail; /* last written tail value */
58 uint16_t nb_processed_responses;
59 /* number of responses processed since last CSR head write */
64 struct qat_queue tx_q;
65 struct qat_queue rx_q;
66 struct qat_common_stats stats;
67 struct rte_mempool *op_cookie_pool;
69 uint32_t nb_descriptors;
70 enum qat_device_gen qat_dev_gen;
71 enum qat_service_type service_type;
72 struct qat_pci_device *qat_dev;
73 /**< qat device this qp is on */
75 uint32_t dequeued __rte_aligned(4);
76 uint16_t max_inflights;
77 uint16_t min_enq_burst_threshold;
78 } __rte_cache_aligned;
80 extern const struct qat_qp_hw_data qat_gen1_qps[][ADF_MAX_QPS_ON_ANY_SERVICE];
81 extern const struct qat_qp_hw_data qat_gen3_qps[][ADF_MAX_QPS_ON_ANY_SERVICE];
84 qat_enqueue_op_burst(void *qp, void **ops, uint16_t nb_ops);
87 qat_enqueue_comp_op_burst(void *qp, void **ops, uint16_t nb_ops);
90 qat_dequeue_op_burst(void *qp, void **ops, uint16_t nb_ops);
93 qat_qp_release(struct qat_qp **qp_addr);
96 qat_qp_setup(struct qat_pci_device *qat_dev,
97 struct qat_qp **qp_addr, uint16_t queue_pair_id,
98 struct qat_qp_config *qat_qp_conf);
101 qat_qps_per_service(const struct qat_qp_hw_data *qp_hw_data,
102 enum qat_service_type service);
105 qat_cq_get_fw_version(struct qat_qp *qp);
107 /* Needed for weak function*/
109 qat_comp_process_response(void **op __rte_unused, uint8_t *resp __rte_unused,
110 void *op_cookie __rte_unused,
111 uint64_t *dequeue_err_count __rte_unused);
113 #endif /* _QAT_QP_H_ */