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