1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(C) 2021 Marvell.
5 #include "cnxk_eventdev.h"
7 #define CN9K_DUAL_WS_NB_WS 2
8 #define CN9K_DUAL_WS_PAIR_ID(x, id) (((x)*CN9K_DUAL_WS_NB_WS) + id)
11 cn9k_sso_set_rsrc(void *arg)
13 struct cnxk_sso_evdev *dev = arg;
16 dev->max_event_ports = dev->sso.max_hws / CN9K_DUAL_WS_NB_WS;
18 dev->max_event_ports = dev->sso.max_hws;
19 dev->max_event_queues =
20 dev->sso.max_hwgrp > RTE_EVENT_MAX_QUEUES_PER_DEV ?
21 RTE_EVENT_MAX_QUEUES_PER_DEV :
26 cn9k_sso_rsrc_init(void *arg, uint8_t hws, uint8_t hwgrp)
28 struct cnxk_sso_evdev *dev = arg;
31 hws = hws * CN9K_DUAL_WS_NB_WS;
33 return roc_sso_rsrc_init(&dev->sso, hws, hwgrp);
37 cn9k_sso_info_get(struct rte_eventdev *event_dev,
38 struct rte_event_dev_info *dev_info)
40 struct cnxk_sso_evdev *dev = cnxk_sso_pmd_priv(event_dev);
42 dev_info->driver_name = RTE_STR(EVENTDEV_NAME_CN9K_PMD);
43 cnxk_sso_info_get(dev, dev_info);
47 cn9k_sso_dev_configure(const struct rte_eventdev *event_dev)
49 struct cnxk_sso_evdev *dev = cnxk_sso_pmd_priv(event_dev);
52 rc = cnxk_sso_dev_validate(event_dev);
54 plt_err("Invalid event device configuration");
58 roc_sso_rsrc_fini(&dev->sso);
60 rc = cn9k_sso_rsrc_init(dev, dev->nb_event_ports, dev->nb_event_queues);
62 plt_err("Failed to initialize SSO resources");
69 static struct rte_eventdev_ops cn9k_sso_dev_ops = {
70 .dev_infos_get = cn9k_sso_info_get,
71 .dev_configure = cn9k_sso_dev_configure,
72 .queue_def_conf = cnxk_sso_queue_def_conf,
73 .queue_setup = cnxk_sso_queue_setup,
74 .queue_release = cnxk_sso_queue_release,
75 .port_def_conf = cnxk_sso_port_def_conf,
79 cn9k_sso_init(struct rte_eventdev *event_dev)
81 struct cnxk_sso_evdev *dev = cnxk_sso_pmd_priv(event_dev);
84 if (RTE_CACHE_LINE_SIZE != 128) {
85 plt_err("Driver not compiled for CN9K");
91 plt_err("Failed to initialize platform model");
95 event_dev->dev_ops = &cn9k_sso_dev_ops;
96 /* For secondary processes, the primary has done all the work */
97 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
100 rc = cnxk_sso_init(event_dev);
104 cn9k_sso_set_rsrc(cnxk_sso_pmd_priv(event_dev));
105 if (!dev->max_event_ports || !dev->max_event_queues) {
106 plt_err("Not enough eventdev resource queues=%d ports=%d",
107 dev->max_event_queues, dev->max_event_ports);
108 cnxk_sso_fini(event_dev);
112 plt_sso_dbg("Initializing %s max_queues=%d max_ports=%d",
113 event_dev->data->name, dev->max_event_queues,
114 dev->max_event_ports);
120 cn9k_sso_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
122 return rte_event_pmd_pci_probe(
123 pci_drv, pci_dev, sizeof(struct cnxk_sso_evdev), cn9k_sso_init);
126 static const struct rte_pci_id cn9k_pci_sso_map[] = {
132 static struct rte_pci_driver cn9k_pci_sso = {
133 .id_table = cn9k_pci_sso_map,
134 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_NEED_IOVA_AS_VA,
135 .probe = cn9k_sso_probe,
136 .remove = cnxk_sso_remove,
139 RTE_PMD_REGISTER_PCI(event_cn9k, cn9k_pci_sso);
140 RTE_PMD_REGISTER_PCI_TABLE(event_cn9k, cn9k_pci_sso_map);
141 RTE_PMD_REGISTER_KMOD_DEP(event_cn9k, "vfio-pci");