4 * Copyright (C) Cavium networks Ltd. 2017.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * * Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * * Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
16 * * Neither the name of Cavium networks nor the names of its
17 * contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 #include <rte_common.h>
34 #include <rte_debug.h>
37 #include <rte_lcore.h>
39 #include <rte_malloc.h>
40 #include <rte_memory.h>
41 #include <rte_memzone.h>
44 #include "ssovf_evdev.h"
46 /* SSOPF Mailbox messages */
48 struct ssovf_mbox_dev_info {
49 uint64_t min_deq_timeout_ns;
50 uint64_t max_deq_timeout_ns;
51 uint32_t max_num_events;
55 ssovf_mbox_dev_info(struct ssovf_mbox_dev_info *info)
57 struct octeontx_mbox_hdr hdr = {0};
58 uint16_t len = sizeof(struct ssovf_mbox_dev_info);
60 hdr.coproc = SSO_COPROC;
61 hdr.msg = SSO_GET_DEV_INFO;
65 return octeontx_ssovf_mbox_send(&hdr, NULL, 0, info, len);
68 struct ssovf_mbox_getwork_wait {
73 ssovf_mbox_getwork_tmo_set(uint32_t timeout_ns)
75 struct octeontx_mbox_hdr hdr = {0};
76 struct ssovf_mbox_getwork_wait tmo_set;
77 uint16_t len = sizeof(struct ssovf_mbox_getwork_wait);
80 hdr.coproc = SSO_COPROC;
81 hdr.msg = SSO_SET_GETWORK_WAIT;
84 tmo_set.wait_ns = timeout_ns;
85 ret = octeontx_ssovf_mbox_send(&hdr, &tmo_set, len, NULL, 0);
87 ssovf_log_err("Failed to set getwork timeout(%d)", ret);
93 ssovf_info_get(struct rte_eventdev *dev, struct rte_event_dev_info *dev_info)
95 struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
97 dev_info->min_dequeue_timeout_ns = edev->min_deq_timeout_ns;
98 dev_info->max_dequeue_timeout_ns = edev->max_deq_timeout_ns;
99 dev_info->max_event_queues = edev->max_event_queues;
100 dev_info->max_event_queue_flows = (1ULL << 20);
101 dev_info->max_event_queue_priority_levels = 8;
102 dev_info->max_event_priority_levels = 1;
103 dev_info->max_event_ports = edev->max_event_ports;
104 dev_info->max_event_port_dequeue_depth = 1;
105 dev_info->max_event_port_enqueue_depth = 1;
106 dev_info->max_num_events = edev->max_num_events;
107 dev_info->event_dev_cap = RTE_EVENT_DEV_CAP_QUEUE_QOS |
108 RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED |
109 RTE_EVENT_DEV_CAP_QUEUE_ALL_TYPES;
113 ssovf_configure(const struct rte_eventdev *dev)
115 struct rte_event_dev_config *conf = &dev->data->dev_conf;
116 struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
120 deq_tmo_ns = conf->dequeue_timeout_ns;
122 if (conf->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT) {
123 edev->is_timeout_deq = 1;
124 deq_tmo_ns = edev->min_deq_timeout_ns;
126 edev->nb_event_queues = conf->nb_event_queues;
127 edev->nb_event_ports = conf->nb_event_ports;
129 return ssovf_mbox_getwork_tmo_set(deq_tmo_ns);
132 /* Initialize and register event driver with DPDK Application */
133 static const struct rte_eventdev_ops ssovf_ops = {
134 .dev_infos_get = ssovf_info_get,
135 .dev_configure = ssovf_configure,
139 ssovf_vdev_probe(const char *name, const char *params)
141 struct octeontx_ssovf_info oinfo;
142 struct ssovf_mbox_dev_info info;
143 struct ssovf_evdev *edev;
144 struct rte_eventdev *eventdev;
145 static int ssovf_init_once;
148 RTE_SET_USED(params);
150 /* More than one instance is not supported */
151 if (ssovf_init_once) {
152 ssovf_log_err("Request to create >1 %s instance", name);
156 eventdev = rte_event_pmd_vdev_init(name, sizeof(struct ssovf_evdev),
158 if (eventdev == NULL) {
159 ssovf_log_err("Failed to create eventdev vdev %s", name);
162 eventdev->dev_ops = &ssovf_ops;
164 /* For secondary processes, the primary has done all the work */
165 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
168 ret = octeontx_ssovf_info(&oinfo);
170 ssovf_log_err("Failed to probe and validate ssovfs %d", ret);
174 edev = ssovf_pmd_priv(eventdev);
175 edev->max_event_ports = oinfo.total_ssowvfs;
176 edev->max_event_queues = oinfo.total_ssovfs;
177 edev->is_timeout_deq = 0;
179 ret = ssovf_mbox_dev_info(&info);
180 if (ret < 0 || ret != sizeof(struct ssovf_mbox_dev_info)) {
181 ssovf_log_err("Failed to get mbox devinfo %d", ret);
185 edev->min_deq_timeout_ns = info.min_deq_timeout_ns;
186 edev->max_deq_timeout_ns = info.max_deq_timeout_ns;
187 edev->max_num_events = info.max_num_events;
188 ssovf_log_dbg("min_deq_tmo=%"PRId64" max_deq_tmo=%"PRId64" max_evts=%d",
189 info.min_deq_timeout_ns, info.max_deq_timeout_ns,
190 info.max_num_events);
192 if (!edev->max_event_ports || !edev->max_event_queues) {
193 ssovf_log_err("Not enough eventdev resource queues=%d ports=%d",
194 edev->max_event_queues, edev->max_event_ports);
199 ssovf_log_info("Initializing %s domain=%d max_queues=%d max_ports=%d",
200 name, oinfo.domain, edev->max_event_queues,
201 edev->max_event_ports);
207 rte_event_pmd_vdev_uninit(name);
212 ssovf_vdev_remove(const char *name)
214 ssovf_log_info("Closing %s", name);
215 return rte_event_pmd_vdev_uninit(name);
218 static struct rte_vdev_driver vdev_ssovf_pmd = {
219 .probe = ssovf_vdev_probe,
220 .remove = ssovf_vdev_remove
223 RTE_PMD_REGISTER_VDEV(EVENTDEV_NAME_OCTEONTX_PMD, vdev_ssovf_pmd);