xref: /dpdk/app/test-eventdev/evt_common.h (revision 89f0711f9ddfb5822da9d34f384b92f72a61c4dc)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2017 Cavium, Inc
3  */
4 
5 #ifndef _EVT_COMMON_
6 #define _EVT_COMMON_
7 
8 #include <rte_common.h>
9 #include <rte_debug.h>
10 #include <rte_eventdev.h>
11 #include <rte_service.h>
12 
13 #define CLNRM  "\x1b[0m"
14 #define CLRED  "\x1b[31m"
15 #define CLGRN  "\x1b[32m"
16 #define CLYEL  "\x1b[33m"
17 
18 #define evt_err(fmt, args...) \
19 	fprintf(stderr, CLRED"error: %s() "fmt CLNRM "\n", __func__, ## args)
20 
21 #define evt_info(fmt, args...) \
22 	fprintf(stdout, CLYEL""fmt CLNRM "\n", ## args)
23 
24 #define EVT_STR_FMT 20
25 
26 #define evt_dump(str, fmt, val...) \
27 	printf("\t%-*s : "fmt"\n", EVT_STR_FMT, str, ## val)
28 
29 #define evt_dump_begin(str) printf("\t%-*s : {", EVT_STR_FMT, str)
30 
31 #define evt_dump_end printf("\b}\n")
32 
33 #define EVT_MAX_STAGES           64
34 #define EVT_MAX_PORTS            256
35 #define EVT_MAX_QUEUES           256
36 
37 static inline bool
38 evt_has_distributed_sched(uint8_t dev_id)
39 {
40 	struct rte_event_dev_info dev_info;
41 
42 	rte_event_dev_info_get(dev_id, &dev_info);
43 	return (dev_info.event_dev_cap & RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED) ?
44 			true : false;
45 }
46 
47 static inline bool
48 evt_has_burst_mode(uint8_t dev_id)
49 {
50 	struct rte_event_dev_info dev_info;
51 
52 	rte_event_dev_info_get(dev_id, &dev_info);
53 	return (dev_info.event_dev_cap & RTE_EVENT_DEV_CAP_BURST_MODE) ?
54 			true : false;
55 }
56 
57 
58 static inline bool
59 evt_has_all_types_queue(uint8_t dev_id)
60 {
61 	struct rte_event_dev_info dev_info;
62 
63 	rte_event_dev_info_get(dev_id, &dev_info);
64 	return (dev_info.event_dev_cap & RTE_EVENT_DEV_CAP_QUEUE_ALL_TYPES) ?
65 			true : false;
66 }
67 
68 static inline int
69 evt_service_setup(uint32_t service_id)
70 {
71 	int32_t core_cnt;
72 	unsigned int lcore = 0;
73 	uint32_t core_array[RTE_MAX_LCORE];
74 	uint8_t cnt;
75 	uint8_t min_cnt = UINT8_MAX;
76 
77 	if (!rte_service_lcore_count())
78 		return -ENOENT;
79 
80 	core_cnt = rte_service_lcore_list(core_array,
81 			RTE_MAX_LCORE);
82 	if (core_cnt < 0)
83 		return -ENOENT;
84 	/* Get the core which has least number of services running. */
85 	while (core_cnt--) {
86 		/* Reset default mapping */
87 		rte_service_map_lcore_set(service_id,
88 				core_array[core_cnt], 0);
89 		cnt = rte_service_lcore_count_services(
90 				core_array[core_cnt]);
91 		if (cnt < min_cnt) {
92 			lcore = core_array[core_cnt];
93 			min_cnt = cnt;
94 		}
95 	}
96 	if (rte_service_map_lcore_set(service_id, lcore, 1))
97 		return -ENOENT;
98 
99 	return 0;
100 }
101 
102 #endif /*  _EVT_COMMON_*/
103