crypto/scheduler: add packet size based mode
[dpdk.git] / drivers / crypto / scheduler / rte_cryptodev_scheduler.h
1 /*-
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33
34 #ifndef _RTE_CRYPTO_SCHEDULER_H
35 #define _RTE_CRYPTO_SCHEDULER_H
36
37 #include "rte_cryptodev_scheduler_operations.h"
38
39 #ifdef __cplusplus
40 extern "C" {
41 #endif
42
43 /**
44  * Crypto scheduler PMD operation modes
45  */
46 enum rte_cryptodev_scheduler_mode {
47         CDEV_SCHED_MODE_NOT_SET = 0,
48         CDEV_SCHED_MODE_USERDEFINED,
49         CDEV_SCHED_MODE_ROUNDROBIN,
50         /** packet-size based distribution mode */
51         CDEV_SCHED_MODE_PKT_SIZE_DISTR,
52
53         CDEV_SCHED_MODE_COUNT /* number of modes */
54 };
55
56 #define RTE_CRYPTODEV_SCHEDULER_NAME_MAX_LEN    (64)
57 #define RTE_CRYPTODEV_SCHEDULER_DESC_MAX_LEN    (256)
58
59 struct rte_cryptodev_scheduler;
60
61 /**
62  * Load a user defined scheduler
63  *
64  * @param       scheduler_id    The target scheduler device ID
65  *              scheduler       Pointer to the user defined scheduler
66  *
67  * @return
68  *      0 if loading successful, negative integer if otherwise.
69  */
70 int
71 rte_cryptodev_scheduler_load_user_scheduler(uint8_t scheduler_id,
72                 struct rte_cryptodev_scheduler *scheduler);
73
74 /**
75  * Attach a pre-configured crypto device to the scheduler
76  *
77  * @param       scheduler_id    The target scheduler device ID
78  *              slave_id        crypto device ID to be attached
79  *
80  * @return
81  *      0 if attaching successful, negative int if otherwise.
82  */
83 int
84 rte_cryptodev_scheduler_slave_attach(uint8_t scheduler_id, uint8_t slave_id);
85
86 /**
87  * Detach a attached crypto device to the scheduler
88  *
89  * @param       scheduler_id    The target scheduler device ID
90  *              slave_id        crypto device ID to be detached
91  *
92  * @return
93  *      0 if detaching successful, negative int if otherwise.
94  */
95 int
96 rte_cryptodev_scheduler_slave_detach(uint8_t scheduler_id, uint8_t slave_id);
97
98 /**
99  * Set the scheduling mode
100  *
101  * @param       scheduler_id    The target scheduler device ID
102  *              mode            The scheduling mode
103  *
104  * @return
105  *      0 if attaching successful, negative integer if otherwise.
106  */
107 int
108 rte_crpytodev_scheduler_mode_set(uint8_t scheduler_id,
109                 enum rte_cryptodev_scheduler_mode mode);
110
111 /**
112  * Get the current scheduling mode
113  *
114  * @param       scheduler_id    The target scheduler device ID
115  *              mode            Pointer to write the scheduling mode
116  */
117 enum rte_cryptodev_scheduler_mode
118 rte_crpytodev_scheduler_mode_get(uint8_t scheduler_id);
119
120 /**
121  * Set the crypto ops reordering feature on/off
122  *
123  * @param       dev_id          The target scheduler device ID
124  *              enable_reorder  set the crypto op reordering feature
125  *                              0: disable reordering
126  *                              1: enable reordering
127  *
128  * @return
129  *      0 if setting successful, negative integer if otherwise.
130  */
131 int
132 rte_cryptodev_scheduler_ordering_set(uint8_t scheduler_id,
133                 uint32_t enable_reorder);
134
135 /**
136  * Get the current crypto ops reordering feature
137  *
138  * @param       dev_id          The target scheduler device ID
139  *
140  * @return
141  *      0 if reordering is disabled
142  *      1 if reordering is enabled
143  *      negative integer if otherwise.
144  */
145 int
146 rte_cryptodev_scheduler_ordering_get(uint8_t scheduler_id);
147
148 typedef uint16_t (*rte_cryptodev_scheduler_burst_enqueue_t)(void *qp_ctx,
149                 struct rte_crypto_op **ops, uint16_t nb_ops);
150
151 typedef uint16_t (*rte_cryptodev_scheduler_burst_dequeue_t)(void *qp_ctx,
152                 struct rte_crypto_op **ops, uint16_t nb_ops);
153
154 struct rte_cryptodev_scheduler {
155         const char *name;
156         const char *description;
157         enum rte_cryptodev_scheduler_mode mode;
158
159         struct rte_cryptodev_scheduler_ops *ops;
160 };
161
162 extern struct rte_cryptodev_scheduler *roundrobin_scheduler;
163 extern struct rte_cryptodev_scheduler *pkt_size_based_distr_scheduler;
164
165 #ifdef __cplusplus
166 }
167 #endif
168 #endif /* _RTE_CRYPTO_SCHEDULER_H */