136 lines
3.9 KiB
C
136 lines
3.9 KiB
C
/*
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* BSD LICENSE
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*
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* Copyright (C) Cavium, Inc 2017.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Cavium, Inc nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _EVT_COMMON_
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#define _EVT_COMMON_
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#include <rte_common.h>
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#include <rte_debug.h>
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#include <rte_eventdev.h>
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#include <rte_service.h>
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#define CLNRM "\x1b[0m"
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#define CLRED "\x1b[31m"
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#define CLGRN "\x1b[32m"
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#define CLYEL "\x1b[33m"
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#define evt_err(fmt, args...) \
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fprintf(stderr, CLRED"error: %s() "fmt CLNRM "\n", __func__, ## args)
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#define evt_info(fmt, args...) \
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fprintf(stdout, CLYEL""fmt CLNRM "\n", ## args)
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#define EVT_STR_FMT 20
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#define evt_dump(str, fmt, val...) \
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printf("\t%-*s : "fmt"\n", EVT_STR_FMT, str, ## val)
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#define evt_dump_begin(str) printf("\t%-*s : {", EVT_STR_FMT, str)
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#define evt_dump_end printf("\b}\n")
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#define EVT_MAX_STAGES 64
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#define EVT_MAX_PORTS 256
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#define EVT_MAX_QUEUES 256
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static inline bool
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evt_has_distributed_sched(uint8_t dev_id)
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{
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struct rte_event_dev_info dev_info;
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rte_event_dev_info_get(dev_id, &dev_info);
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return (dev_info.event_dev_cap & RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED) ?
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true : false;
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}
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static inline bool
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evt_has_burst_mode(uint8_t dev_id)
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{
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struct rte_event_dev_info dev_info;
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rte_event_dev_info_get(dev_id, &dev_info);
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return (dev_info.event_dev_cap & RTE_EVENT_DEV_CAP_BURST_MODE) ?
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true : false;
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}
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static inline bool
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evt_has_all_types_queue(uint8_t dev_id)
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{
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struct rte_event_dev_info dev_info;
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rte_event_dev_info_get(dev_id, &dev_info);
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return (dev_info.event_dev_cap & RTE_EVENT_DEV_CAP_QUEUE_ALL_TYPES) ?
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true : false;
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}
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static inline int
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evt_service_setup(uint8_t dev_id)
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{
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uint32_t service_id;
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int32_t core_cnt;
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unsigned int lcore = 0;
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uint32_t core_array[RTE_MAX_LCORE];
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uint8_t cnt;
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uint8_t min_cnt = UINT8_MAX;
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if (evt_has_distributed_sched(dev_id))
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return 0;
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if (!rte_service_lcore_count())
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return -ENOENT;
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if (!rte_event_dev_service_id_get(dev_id, &service_id)) {
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core_cnt = rte_service_lcore_list(core_array,
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RTE_MAX_LCORE);
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if (core_cnt < 0)
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return -ENOENT;
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/* Get the core which has least number of services running. */
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while (core_cnt--) {
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/* Reset default mapping */
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rte_service_map_lcore_set(service_id,
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core_array[core_cnt], 0);
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cnt = rte_service_lcore_count_services(
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core_array[core_cnt]);
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if (cnt < min_cnt) {
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lcore = core_array[core_cnt];
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min_cnt = cnt;
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}
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}
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if (rte_service_map_lcore_set(service_id, lcore, 1))
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return -ENOENT;
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}
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return 0;
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}
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#endif /* _EVT_COMMON_*/
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