update source to Ceph Pacific 16.2.2

[ceph.git] / ceph / src / spdk / dpdk / drivers / event / octeontx / ssovf_evdev.c

/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(c) 2017 Cavium, Inc
 */

#include <inttypes.h>

#include <rte_common.h>
#include <rte_debug.h>
#include <rte_dev.h>
#include <rte_eal.h>
#include <rte_ethdev_driver.h>
#include <rte_event_eth_rx_adapter.h>
#include <rte_kvargs.h>
#include <rte_lcore.h>
#include <rte_log.h>
#include <rte_malloc.h>
#include <rte_memory.h>
#include <rte_bus_vdev.h>

#include "ssovf_evdev.h"
#include "timvf_evdev.h"

int otx_logtype_ssovf;
static uint8_t timvf_enable_stats;

RTE_INIT(otx_ssovf_init_log)
{
        otx_logtype_ssovf = rte_log_register("pmd.event.octeontx");
        if (otx_logtype_ssovf >= 0)
                rte_log_set_level(otx_logtype_ssovf, RTE_LOG_NOTICE);
}

/* SSOPF Mailbox messages */

struct ssovf_mbox_dev_info {
        uint64_t min_deq_timeout_ns;
        uint64_t max_deq_timeout_ns;
        uint32_t max_num_events;
};

static int
ssovf_mbox_dev_info(struct ssovf_mbox_dev_info *info)
{
        struct octeontx_mbox_hdr hdr = {0};
        uint16_t len = sizeof(struct ssovf_mbox_dev_info);

        hdr.coproc = SSO_COPROC;
        hdr.msg = SSO_GET_DEV_INFO;
        hdr.vfid = 0;

        memset(info, 0, len);
        return octeontx_mbox_send(&hdr, NULL, 0, info, len);
}

struct ssovf_mbox_getwork_wait {
        uint64_t wait_ns;
};

static int
ssovf_mbox_getwork_tmo_set(uint32_t timeout_ns)
{
        struct octeontx_mbox_hdr hdr = {0};
        struct ssovf_mbox_getwork_wait tmo_set;
        uint16_t len = sizeof(struct ssovf_mbox_getwork_wait);
        int ret;

        hdr.coproc = SSO_COPROC;
        hdr.msg = SSO_SET_GETWORK_WAIT;
        hdr.vfid = 0;

        tmo_set.wait_ns = timeout_ns;
        ret = octeontx_mbox_send(&hdr, &tmo_set, len, NULL, 0);
        if (ret)
                ssovf_log_err("Failed to set getwork timeout(%d)", ret);

        return ret;
}

struct ssovf_mbox_grp_pri {
        uint8_t vhgrp_id;
        uint8_t wgt_left; /* Read only */
        uint8_t weight;
        uint8_t affinity;
        uint8_t priority;
};

static int
ssovf_mbox_priority_set(uint8_t queue, uint8_t prio)
{
        struct octeontx_mbox_hdr hdr = {0};
        struct ssovf_mbox_grp_pri grp;
        uint16_t len = sizeof(struct ssovf_mbox_grp_pri);
        int ret;

        hdr.coproc = SSO_COPROC;
        hdr.msg = SSO_GRP_SET_PRIORITY;
        hdr.vfid = queue;

        grp.vhgrp_id = queue;
        grp.weight = 0xff;
        grp.affinity = 0xff;
        grp.priority = prio / 32; /* Normalize to 0 to 7 */

        ret = octeontx_mbox_send(&hdr, &grp, len, NULL, 0);
        if (ret)
                ssovf_log_err("Failed to set grp=%d prio=%d", queue, prio);

        return ret;
}

struct ssovf_mbox_convert_ns_getworks_iter {
        uint64_t wait_ns;
        uint32_t getwork_iter;/* Get_work iterations for the given wait_ns */
};

static int
ssovf_mbox_timeout_ticks(uint64_t ns, uint64_t *tmo_ticks)
{
        struct octeontx_mbox_hdr hdr = {0};
        struct ssovf_mbox_convert_ns_getworks_iter ns2iter;
        uint16_t len = sizeof(ns2iter);
        int ret;

        hdr.coproc = SSO_COPROC;
        hdr.msg = SSO_CONVERT_NS_GETWORK_ITER;
        hdr.vfid = 0;

        memset(&ns2iter, 0, len);
        ns2iter.wait_ns = ns;
        ret = octeontx_mbox_send(&hdr, &ns2iter, len, &ns2iter, len);
        if (ret < 0 || (ret != len)) {
                ssovf_log_err("Failed to get tmo ticks ns=%"PRId64"", ns);
                return -EIO;
        }

        *tmo_ticks = ns2iter.getwork_iter;
        return 0;
}

static void
ssovf_info_get(struct rte_eventdev *dev, struct rte_event_dev_info *dev_info)
{
        struct ssovf_evdev *edev = ssovf_pmd_priv(dev);

        dev_info->driver_name = RTE_STR(EVENTDEV_NAME_OCTEONTX_PMD);
        dev_info->min_dequeue_timeout_ns = edev->min_deq_timeout_ns;
        dev_info->max_dequeue_timeout_ns = edev->max_deq_timeout_ns;
        dev_info->max_event_queues = edev->max_event_queues;
        dev_info->max_event_queue_flows = (1ULL << 20);
        dev_info->max_event_queue_priority_levels = 8;
        dev_info->max_event_priority_levels = 1;
        dev_info->max_event_ports = edev->max_event_ports;
        dev_info->max_event_port_dequeue_depth = 1;
        dev_info->max_event_port_enqueue_depth = 1;
        dev_info->max_num_events =  edev->max_num_events;
        dev_info->event_dev_cap = RTE_EVENT_DEV_CAP_QUEUE_QOS |
                                        RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED |
                                        RTE_EVENT_DEV_CAP_QUEUE_ALL_TYPES|
                                        RTE_EVENT_DEV_CAP_RUNTIME_PORT_LINK |
                                        RTE_EVENT_DEV_CAP_MULTIPLE_QUEUE_PORT |
                                        RTE_EVENT_DEV_CAP_NONSEQ_MODE;

}

static int
ssovf_configure(const struct rte_eventdev *dev)
{
        struct rte_event_dev_config *conf = &dev->data->dev_conf;
        struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
        uint64_t deq_tmo_ns;

        ssovf_func_trace();
        deq_tmo_ns = conf->dequeue_timeout_ns;
        if (deq_tmo_ns == 0)
                deq_tmo_ns = edev->min_deq_timeout_ns;

        if (conf->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT) {
                edev->is_timeout_deq = 1;
                deq_tmo_ns = edev->min_deq_timeout_ns;
        }
        edev->nb_event_queues = conf->nb_event_queues;
        edev->nb_event_ports = conf->nb_event_ports;

        return ssovf_mbox_getwork_tmo_set(deq_tmo_ns);
}

static void
ssovf_queue_def_conf(struct rte_eventdev *dev, uint8_t queue_id,
                                 struct rte_event_queue_conf *queue_conf)
{
        RTE_SET_USED(dev);
        RTE_SET_USED(queue_id);

        queue_conf->nb_atomic_flows = (1ULL << 20);
        queue_conf->nb_atomic_order_sequences = (1ULL << 20);
        queue_conf->event_queue_cfg = RTE_EVENT_QUEUE_CFG_ALL_TYPES;
        queue_conf->priority = RTE_EVENT_DEV_PRIORITY_NORMAL;
}

static void
ssovf_queue_release(struct rte_eventdev *dev, uint8_t queue_id)
{
        RTE_SET_USED(dev);
        RTE_SET_USED(queue_id);
}

static int
ssovf_queue_setup(struct rte_eventdev *dev, uint8_t queue_id,
                              const struct rte_event_queue_conf *queue_conf)
{
        RTE_SET_USED(dev);
        ssovf_func_trace("queue=%d prio=%d", queue_id, queue_conf->priority);

        return ssovf_mbox_priority_set(queue_id, queue_conf->priority);
}

static void
ssovf_port_def_conf(struct rte_eventdev *dev, uint8_t port_id,
                                 struct rte_event_port_conf *port_conf)
{
        struct ssovf_evdev *edev = ssovf_pmd_priv(dev);

        RTE_SET_USED(port_id);
        port_conf->new_event_threshold = edev->max_num_events;
        port_conf->dequeue_depth = 1;
        port_conf->enqueue_depth = 1;
        port_conf->disable_implicit_release = 0;
}

static void
ssovf_port_release(void *port)
{
        rte_free(port);
}

static int
ssovf_port_setup(struct rte_eventdev *dev, uint8_t port_id,
                                const struct rte_event_port_conf *port_conf)
{
        struct ssows *ws;
        uint32_t reg_off;
        uint8_t q;
        struct ssovf_evdev *edev = ssovf_pmd_priv(dev);

        ssovf_func_trace("port=%d", port_id);
        RTE_SET_USED(port_conf);

        /* Free memory prior to re-allocation if needed */
        if (dev->data->ports[port_id] != NULL) {
                ssovf_port_release(dev->data->ports[port_id]);
                dev->data->ports[port_id] = NULL;
        }

        /* Allocate event port memory */
        ws = rte_zmalloc_socket("eventdev ssows",
                        sizeof(struct ssows), RTE_CACHE_LINE_SIZE,
                        dev->data->socket_id);
        if (ws == NULL) {
                ssovf_log_err("Failed to alloc memory for port=%d", port_id);
                return -ENOMEM;
        }

        ws->base = ssovf_bar(OCTEONTX_SSO_HWS, port_id, 0);
        if (ws->base == NULL) {
                rte_free(ws);
                ssovf_log_err("Failed to get hws base addr port=%d", port_id);
                return -EINVAL;
        }

        reg_off = SSOW_VHWS_OP_GET_WORK0;
        reg_off |= 1 << 4; /* Index_ggrp_mask (Use maskset zero) */
        reg_off |= 1 << 16; /* Wait */
        ws->getwork = ws->base + reg_off;
        ws->port = port_id;
        ws->lookup_mem = octeontx_fastpath_lookup_mem_get();

        for (q = 0; q < edev->nb_event_queues; q++) {
                ws->grps[q] = ssovf_bar(OCTEONTX_SSO_GROUP, q, 2);
                if (ws->grps[q] == NULL) {
                        rte_free(ws);
                        ssovf_log_err("Failed to get grp%d base addr", q);
                        return -EINVAL;
                }
        }

        dev->data->ports[port_id] = ws;
        ssovf_log_dbg("port=%d ws=%p", port_id, ws);
        return 0;
}

static int
ssovf_port_link(struct rte_eventdev *dev, void *port, const uint8_t queues[],
                const uint8_t priorities[], uint16_t nb_links)
{
        uint16_t link;
        uint64_t val;
        struct ssows *ws = port;

        ssovf_func_trace("port=%d nb_links=%d", ws->port, nb_links);
        RTE_SET_USED(dev);
        RTE_SET_USED(priorities);

        for (link = 0; link < nb_links; link++) {
                val = queues[link];
                val |= (1ULL << 24); /* Set membership */
                ssovf_write64(val, ws->base + SSOW_VHWS_GRPMSK_CHGX(0));
        }
        return (int)nb_links;
}

static int
ssovf_port_unlink(struct rte_eventdev *dev, void *port, uint8_t queues[],
                        uint16_t nb_unlinks)
{
        uint16_t unlink;
        uint64_t val;
        struct ssows *ws = port;

        ssovf_func_trace("port=%d nb_links=%d", ws->port, nb_unlinks);
        RTE_SET_USED(dev);

        for (unlink = 0; unlink < nb_unlinks; unlink++) {
                val = queues[unlink];
                val &= ~(1ULL << 24); /* Clear membership */
                ssovf_write64(val, ws->base + SSOW_VHWS_GRPMSK_CHGX(0));
        }
        return (int)nb_unlinks;
}

static int
ssovf_timeout_ticks(struct rte_eventdev *dev, uint64_t ns, uint64_t *tmo_ticks)
{
        RTE_SET_USED(dev);

        return ssovf_mbox_timeout_ticks(ns, tmo_ticks);
}

static void
ssows_dump(struct ssows *ws, FILE *f)
{
        uint8_t *base = ws->base;
        uint64_t val;

        fprintf(f, "\t---------------port%d---------------\n", ws->port);
        val = ssovf_read64(base + SSOW_VHWS_TAG);
        fprintf(f, "\ttag=0x%x tt=%d head=%d tail=%d grp=%d index=%d tail=%d\n",
                (uint32_t)(val & 0xffffffff), (int)(val >> 32) & 0x3,
                (int)(val >> 34) & 0x1, (int)(val >> 35) & 0x1,
                (int)(val >> 36) & 0x3ff, (int)(val >> 48) & 0x3ff,
                (int)(val >> 63) & 0x1);

        val = ssovf_read64(base + SSOW_VHWS_WQP);
        fprintf(f, "\twqp=0x%"PRIx64"\n", val);

        val = ssovf_read64(base + SSOW_VHWS_LINKS);
        fprintf(f, "\tindex=%d valid=%d revlink=%d tail=%d head=%d grp=%d\n",
                (int)(val & 0x3ff), (int)(val >> 10) & 0x1,
                (int)(val >> 11) & 0x3ff, (int)(val >> 26) & 0x1,
                (int)(val >> 27) & 0x1, (int)(val >> 28) & 0x3ff);

        val = ssovf_read64(base + SSOW_VHWS_PENDTAG);
        fprintf(f, "\tptag=0x%x ptt=%d pgwi=%d pdesc=%d pgw=%d pgww=%d ps=%d\n",
                (uint32_t)(val & 0xffffffff), (int)(val >> 32) & 0x3,
                (int)(val >> 56) & 0x1, (int)(val >> 58) & 0x1,
                (int)(val >> 61) & 0x1, (int)(val >> 62) & 0x1,
                (int)(val >> 63) & 0x1);

        val = ssovf_read64(base + SSOW_VHWS_PENDWQP);
        fprintf(f, "\tpwqp=0x%"PRIx64"\n", val);
}

static int
ssovf_eth_rx_adapter_caps_get(const struct rte_eventdev *dev,
                const struct rte_eth_dev *eth_dev, uint32_t *caps)
{
        int ret;
        RTE_SET_USED(dev);

        ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
        if (ret)
                *caps = RTE_EVENT_ETH_RX_ADAPTER_SW_CAP;
        else
                *caps = RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT;

        return 0;
}

static int
ssovf_eth_rx_adapter_queue_add(const struct rte_eventdev *dev,
                const struct rte_eth_dev *eth_dev, int32_t rx_queue_id,
                const struct rte_event_eth_rx_adapter_queue_conf *queue_conf)
{
        int ret = 0;
        const struct octeontx_nic *nic = eth_dev->data->dev_private;
        struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
        pki_mod_qos_t pki_qos;
        RTE_SET_USED(dev);

        ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
        if (ret)
                return -EINVAL;

        if (rx_queue_id >= 0)
                return -EINVAL;

        if (queue_conf->ev.sched_type == RTE_SCHED_TYPE_PARALLEL)
                return -ENOTSUP;

        memset(&pki_qos, 0, sizeof(pki_mod_qos_t));

        pki_qos.port_type = 0;
        pki_qos.index = 0;
        pki_qos.mmask.f_tag_type = 1;
        pki_qos.mmask.f_port_add = 1;
        pki_qos.mmask.f_grp_ok = 1;
        pki_qos.mmask.f_grp_bad = 1;
        pki_qos.mmask.f_grptag_ok = 1;
        pki_qos.mmask.f_grptag_bad = 1;

        pki_qos.qos_entry.tag_type = queue_conf->ev.sched_type;
        pki_qos.qos_entry.port_add = 0;
        pki_qos.qos_entry.ggrp_ok = queue_conf->ev.queue_id;
        pki_qos.qos_entry.ggrp_bad = queue_conf->ev.queue_id;
        pki_qos.qos_entry.grptag_bad = 0;
        pki_qos.qos_entry.grptag_ok = 0;

        ret = octeontx_pki_port_modify_qos(nic->port_id, &pki_qos);
        if (ret < 0)
                ssovf_log_err("failed to modify QOS, port=%d, q=%d",
                                nic->port_id, queue_conf->ev.queue_id);

        edev->rx_offload_flags = nic->rx_offload_flags;
        edev->tx_offload_flags = nic->tx_offload_flags;
        return ret;
}

static int
ssovf_eth_rx_adapter_queue_del(const struct rte_eventdev *dev,
                const struct rte_eth_dev *eth_dev, int32_t rx_queue_id)
{
        int ret = 0;
        const struct octeontx_nic *nic = eth_dev->data->dev_private;
        pki_del_qos_t pki_qos;
        RTE_SET_USED(dev);

        ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
        if (ret)
                return -EINVAL;

        pki_qos.port_type = 0;
        pki_qos.index = 0;
        memset(&pki_qos, 0, sizeof(pki_del_qos_t));
        ret = octeontx_pki_port_delete_qos(nic->port_id, &pki_qos);
        if (ret < 0)
                ssovf_log_err("Failed to delete QOS port=%d, q=%d",
                                nic->port_id, rx_queue_id);
        return ret;
}

static int
ssovf_eth_rx_adapter_start(const struct rte_eventdev *dev,
                                        const struct rte_eth_dev *eth_dev)
{
        RTE_SET_USED(dev);
        RTE_SET_USED(eth_dev);

        return 0;
}


static int
ssovf_eth_rx_adapter_stop(const struct rte_eventdev *dev,
                const struct rte_eth_dev *eth_dev)
{
        RTE_SET_USED(dev);
        RTE_SET_USED(eth_dev);

        return 0;
}

static int
ssovf_eth_tx_adapter_caps_get(const struct rte_eventdev *dev,
                const struct rte_eth_dev *eth_dev, uint32_t *caps)
{
        int ret;
        RTE_SET_USED(dev);

        ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
        if (ret)
                *caps = 0;
        else
                *caps = RTE_EVENT_ETH_TX_ADAPTER_CAP_INTERNAL_PORT;

        return 0;
}

static int
ssovf_eth_tx_adapter_create(uint8_t id, const struct rte_eventdev *dev)
{
        RTE_SET_USED(id);
        RTE_SET_USED(dev);
        return 0;
}

static int
ssovf_eth_tx_adapter_free(uint8_t id, const struct rte_eventdev *dev)
{
        RTE_SET_USED(id);
        RTE_SET_USED(dev);
        return 0;
}

static int
ssovf_eth_tx_adapter_queue_add(uint8_t id, const struct rte_eventdev *dev,
                const struct rte_eth_dev *eth_dev, int32_t tx_queue_id)
{
        RTE_SET_USED(id);
        RTE_SET_USED(dev);
        RTE_SET_USED(eth_dev);
        RTE_SET_USED(tx_queue_id);
        return 0;
}

static int
ssovf_eth_tx_adapter_queue_del(uint8_t id, const struct rte_eventdev *dev,
                const struct rte_eth_dev *eth_dev, int32_t tx_queue_id)
{
        RTE_SET_USED(id);
        RTE_SET_USED(dev);
        RTE_SET_USED(eth_dev);
        RTE_SET_USED(tx_queue_id);
        return 0;
}

static int
ssovf_eth_tx_adapter_start(uint8_t id, const struct rte_eventdev *dev)
{
        RTE_SET_USED(id);
        RTE_SET_USED(dev);
        return 0;
}

static int
ssovf_eth_tx_adapter_stop(uint8_t id, const struct rte_eventdev *dev)
{
        RTE_SET_USED(id);
        RTE_SET_USED(dev);
        return 0;
}


static void
ssovf_dump(struct rte_eventdev *dev, FILE *f)
{
        struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
        uint8_t port;

        /* Dump SSOWVF debug registers */
        for (port = 0; port < edev->nb_event_ports; port++)
                ssows_dump(dev->data->ports[port], f);
}

static int
ssovf_start(struct rte_eventdev *dev)
{
        struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
        struct ssows *ws;
        uint8_t *base;
        uint8_t i;

        ssovf_func_trace();
        for (i = 0; i < edev->nb_event_ports; i++) {
                ws = dev->data->ports[i];
                ssows_reset(ws);
                ws->swtag_req = 0;
        }

        for (i = 0; i < edev->nb_event_queues; i++) {
                /* Consume all the events through HWS0 */
                ssows_flush_events(dev->data->ports[0], i, NULL, NULL);

                base = ssovf_bar(OCTEONTX_SSO_GROUP, i, 0);
                base += SSO_VHGRP_QCTL;
                ssovf_write64(1, base); /* Enable SSO group */
        }

        ssovf_fastpath_fns_set(dev);
        return 0;
}

static void
ssows_handle_event(void *arg, struct rte_event event)
{
        struct rte_eventdev *dev = arg;

        if (dev->dev_ops->dev_stop_flush != NULL)
                dev->dev_ops->dev_stop_flush(dev->data->dev_id, event,
                                        dev->data->dev_stop_flush_arg);
}

static void
ssovf_stop(struct rte_eventdev *dev)
{
        struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
        struct ssows *ws;
        uint8_t *base;
        uint8_t i;

        ssovf_func_trace();
        for (i = 0; i < edev->nb_event_ports; i++) {
                ws = dev->data->ports[i];
                ssows_reset(ws);
                ws->swtag_req = 0;
        }

        for (i = 0; i < edev->nb_event_queues; i++) {
                /* Consume all the events through HWS0 */
                ssows_flush_events(dev->data->ports[0], i,
                                ssows_handle_event, dev);

                base = ssovf_bar(OCTEONTX_SSO_GROUP, i, 0);
                base += SSO_VHGRP_QCTL;
                ssovf_write64(0, base); /* Disable SSO group */
        }
}

static int
ssovf_close(struct rte_eventdev *dev)
{
        struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
        uint8_t all_queues[RTE_EVENT_MAX_QUEUES_PER_DEV];
        uint8_t i;

        for (i = 0; i < edev->nb_event_queues; i++)
                all_queues[i] = i;

        for (i = 0; i < edev->nb_event_ports; i++)
                ssovf_port_unlink(dev, dev->data->ports[i], all_queues,
                        edev->nb_event_queues);
        return 0;
}

static int
ssovf_selftest(const char *key __rte_unused, const char *value,
                void *opaque)
{
        int *flag = opaque;
        *flag = !!atoi(value);
        return 0;
}

static int
ssovf_timvf_caps_get(const struct rte_eventdev *dev, uint64_t flags,
                uint32_t *caps, const struct rte_event_timer_adapter_ops **ops)
{
        return timvf_timer_adapter_caps_get(dev, flags, caps, ops,
                        timvf_enable_stats);
}

/* Initialize and register event driver with DPDK Application */
static struct rte_eventdev_ops ssovf_ops = {
        .dev_infos_get    = ssovf_info_get,
        .dev_configure    = ssovf_configure,
        .queue_def_conf   = ssovf_queue_def_conf,
        .queue_setup      = ssovf_queue_setup,
        .queue_release    = ssovf_queue_release,
        .port_def_conf    = ssovf_port_def_conf,
        .port_setup       = ssovf_port_setup,
        .port_release     = ssovf_port_release,
        .port_link        = ssovf_port_link,
        .port_unlink      = ssovf_port_unlink,
        .timeout_ticks    = ssovf_timeout_ticks,

        .eth_rx_adapter_caps_get  = ssovf_eth_rx_adapter_caps_get,
        .eth_rx_adapter_queue_add = ssovf_eth_rx_adapter_queue_add,
        .eth_rx_adapter_queue_del = ssovf_eth_rx_adapter_queue_del,
        .eth_rx_adapter_start = ssovf_eth_rx_adapter_start,
        .eth_rx_adapter_stop = ssovf_eth_rx_adapter_stop,

        .eth_tx_adapter_caps_get = ssovf_eth_tx_adapter_caps_get,
        .eth_tx_adapter_create = ssovf_eth_tx_adapter_create,
        .eth_tx_adapter_free = ssovf_eth_tx_adapter_free,
        .eth_tx_adapter_queue_add = ssovf_eth_tx_adapter_queue_add,
        .eth_tx_adapter_queue_del = ssovf_eth_tx_adapter_queue_del,
        .eth_tx_adapter_start = ssovf_eth_tx_adapter_start,
        .eth_tx_adapter_stop = ssovf_eth_tx_adapter_stop,

        .timer_adapter_caps_get = ssovf_timvf_caps_get,

        .dev_selftest = test_eventdev_octeontx,

        .dump             = ssovf_dump,
        .dev_start        = ssovf_start,
        .dev_stop         = ssovf_stop,
        .dev_close        = ssovf_close
};

static int
ssovf_vdev_probe(struct rte_vdev_device *vdev)
{
        struct ssovf_info oinfo;
        struct ssovf_mbox_dev_info info;
        struct ssovf_evdev *edev;
        struct rte_eventdev *eventdev;
        static int ssovf_init_once;
        const char *name;
        const char *params;
        int ret;
        int selftest = 0;

        static const char *const args[] = {
                SSOVF_SELFTEST_ARG,
                TIMVF_ENABLE_STATS_ARG,
                NULL
        };

        name = rte_vdev_device_name(vdev);
        /* More than one instance is not supported */
        if (ssovf_init_once) {
                ssovf_log_err("Request to create >1 %s instance", name);
                return -EINVAL;
        }

        params = rte_vdev_device_args(vdev);
        if (params != NULL && params[0] != '\0') {
                struct rte_kvargs *kvlist = rte_kvargs_parse(params, args);

                if (!kvlist) {
                        ssovf_log_info(
                                "Ignoring unsupported params supplied '%s'",
                                name);
                } else {
                        int ret = rte_kvargs_process(kvlist,
                                        SSOVF_SELFTEST_ARG,
                                        ssovf_selftest, &selftest);
                        if (ret != 0) {
                                ssovf_log_err("%s: Error in selftest", name);
                                rte_kvargs_free(kvlist);
                                return ret;
                        }

                        ret = rte_kvargs_process(kvlist,
                                        TIMVF_ENABLE_STATS_ARG,
                                        ssovf_selftest, &timvf_enable_stats);
                        if (ret != 0) {
                                ssovf_log_err("%s: Error in timvf stats", name);
                                rte_kvargs_free(kvlist);
                                return ret;
                        }
                }

                rte_kvargs_free(kvlist);
        }

        eventdev = rte_event_pmd_vdev_init(name, sizeof(struct ssovf_evdev),
                                rte_socket_id());
        if (eventdev == NULL) {
                ssovf_log_err("Failed to create eventdev vdev %s", name);
                return -ENOMEM;
        }
        eventdev->dev_ops = &ssovf_ops;

        /* For secondary processes, the primary has done all the work */
        if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
                ssovf_fastpath_fns_set(eventdev);
                return 0;
        }

        octeontx_mbox_init();
        ret = ssovf_info(&oinfo);
        if (ret) {
                ssovf_log_err("Failed to probe and validate ssovfs %d", ret);
                goto error;
        }

        edev = ssovf_pmd_priv(eventdev);
        edev->max_event_ports = oinfo.total_ssowvfs;
        edev->max_event_queues = oinfo.total_ssovfs;
        edev->is_timeout_deq = 0;

        ret = ssovf_mbox_dev_info(&info);
        if (ret < 0 || ret != sizeof(struct ssovf_mbox_dev_info)) {
                ssovf_log_err("Failed to get mbox devinfo %d", ret);
                goto error;
        }

        edev->min_deq_timeout_ns = info.min_deq_timeout_ns;
        edev->max_deq_timeout_ns = info.max_deq_timeout_ns;
        edev->max_num_events =  info.max_num_events;
        ssovf_log_dbg("min_deq_tmo=%"PRId64" max_deq_tmo=%"PRId64" max_evts=%d",
                        info.min_deq_timeout_ns, info.max_deq_timeout_ns,
                        info.max_num_events);

        if (!edev->max_event_ports || !edev->max_event_queues) {
                ssovf_log_err("Not enough eventdev resource queues=%d ports=%d",
                        edev->max_event_queues, edev->max_event_ports);
                ret = -ENODEV;
                goto error;
        }

        ssovf_log_info("Initializing %s domain=%d max_queues=%d max_ports=%d",
                        name, oinfo.domain, edev->max_event_queues,
                        edev->max_event_ports);

        ssovf_init_once = 1;
        if (selftest)
                test_eventdev_octeontx();
        return 0;

error:
        rte_event_pmd_vdev_uninit(name);
        return ret;
}

static int
ssovf_vdev_remove(struct rte_vdev_device *vdev)
{
        const char *name;

        name = rte_vdev_device_name(vdev);
        ssovf_log_info("Closing %s", name);
        return rte_event_pmd_vdev_uninit(name);
}

static struct rte_vdev_driver vdev_ssovf_pmd = {
        .probe = ssovf_vdev_probe,
        .remove = ssovf_vdev_remove
};

RTE_PMD_REGISTER_VDEV(EVENTDEV_NAME_OCTEONTX_PMD, vdev_ssovf_pmd);