xref: /dpdk/drivers/crypto/scheduler/scheduler_pmd_private.h (revision daa02b5cddbb8e11b31d41e2bf7bb1ae64dcae2f)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2017 Intel Corporation
3  */
4 
5 #ifndef _SCHEDULER_PMD_PRIVATE_H
6 #define _SCHEDULER_PMD_PRIVATE_H
7 
8 #include "rte_cryptodev_scheduler.h"
9 
10 #define CRYPTODEV_NAME_SCHEDULER_PMD	crypto_scheduler
11 /**< Scheduler Crypto PMD device name */
12 
13 #define PER_WORKER_BUFF_SIZE			(256)
14 
15 extern int scheduler_logtype_driver;
16 
17 #define CR_SCHED_LOG(level, fmt, args...) \
18 	rte_log(RTE_LOG_ ## level, scheduler_logtype_driver,		\
19 			"%s() line %u: "fmt "\n", __func__, __LINE__, ##args)
20 
21 struct scheduler_worker {
22 	uint8_t dev_id;
23 	uint16_t qp_id;
24 	uint32_t nb_inflight_cops;
25 
26 	uint8_t driver_id;
27 };
28 
29 struct scheduler_ctx {
30 	void *private_ctx;
31 	/**< private scheduler context pointer */
32 
33 	struct rte_cryptodev_capabilities *capabilities;
34 	uint32_t nb_capabilities;
35 
36 	uint32_t max_nb_queue_pairs;
37 
38 	struct scheduler_worker workers[RTE_CRYPTODEV_SCHEDULER_MAX_NB_WORKERS];
39 	uint32_t nb_workers;
40 
41 	enum rte_cryptodev_scheduler_mode mode;
42 
43 	struct rte_cryptodev_scheduler_ops ops;
44 
45 	uint8_t reordering_enabled;
46 
47 	char name[RTE_CRYPTODEV_SCHEDULER_NAME_MAX_LEN];
48 	char description[RTE_CRYPTODEV_SCHEDULER_DESC_MAX_LEN];
49 	uint16_t wc_pool[RTE_MAX_LCORE];
50 	uint16_t nb_wc;
51 
52 	char *init_worker_names[RTE_CRYPTODEV_SCHEDULER_MAX_NB_WORKERS];
53 	int nb_init_workers;
54 } __rte_cache_aligned;
55 
56 struct scheduler_qp_ctx {
57 	void *private_qp_ctx;
58 
59 	uint32_t max_nb_objs;
60 
61 	struct rte_ring *order_ring;
62 } __rte_cache_aligned;
63 
64 
65 extern uint8_t cryptodev_scheduler_driver_id;
66 
67 static __rte_always_inline uint16_t
68 get_max_enqueue_order_count(struct rte_ring *order_ring, uint16_t nb_ops)
69 {
70 	uint32_t count = rte_ring_free_count(order_ring);
71 
72 	return count > nb_ops ? nb_ops : count;
73 }
74 
75 static __rte_always_inline void
76 scheduler_order_insert(struct rte_ring *order_ring,
77 		struct rte_crypto_op **ops, uint16_t nb_ops)
78 {
79 	rte_ring_sp_enqueue_burst(order_ring, (void **)ops, nb_ops, NULL);
80 }
81 
82 static __rte_always_inline uint16_t
83 scheduler_order_drain(struct rte_ring *order_ring,
84 		struct rte_crypto_op **ops, uint16_t nb_ops)
85 {
86 	struct rte_crypto_op *op;
87 	uint32_t nb_objs, nb_ops_to_deq;
88 
89 	nb_objs = rte_ring_dequeue_burst_start(order_ring, (void **)ops,
90 		nb_ops, NULL);
91 	if (nb_objs == 0)
92 		return 0;
93 
94 	for (nb_ops_to_deq = 0; nb_ops_to_deq != nb_objs; nb_ops_to_deq++) {
95 		op = ops[nb_ops_to_deq];
96 		if (op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
97 			break;
98 	}
99 
100 	rte_ring_dequeue_finish(order_ring, nb_ops_to_deq);
101 	return nb_ops_to_deq;
102 }
103 
104 /** device specific operations function pointer structure */
105 extern struct rte_cryptodev_ops *rte_crypto_scheduler_pmd_ops;
106 
107 #endif /* _SCHEDULER_PMD_PRIVATE_H */
108