From: Sunil Kumar Kori Date: Tue, 16 Jan 2018 20:43:58 +0000 (+0530) Subject: event/dpaa: introduce PMD X-Git-Tag: spdx-start~143 X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=9caac5dd1e7f;p=dpdk.git event/dpaa: introduce PMD Signed-off-by: Sunil Kumar Kori Signed-off-by: Nipun Gupta Acked-by: Hemant Agrawal --- diff --git a/MAINTAINERS b/MAINTAINERS index b9908e78c9..c528232bb4 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -714,6 +714,11 @@ M: Nipun Gupta F: drivers/event/dpaa2/ F: doc/guides/eventdevs/dpaa2.rst +NXP DPAA eventdev +M: Hemant Agrawal +M: Sunil Kumar Kori +F: drivers/event/dpaa/ + Software Eventdev PMD M: Harry van Haaren F: drivers/event/sw/ diff --git a/drivers/event/Makefile b/drivers/event/Makefile index 7f68440a6d..c3d89a1518 100644 --- a/drivers/event/Makefile +++ b/drivers/event/Makefile @@ -7,6 +7,7 @@ include $(RTE_SDK)/mk/rte.vars.mk DIRS-$(CONFIG_RTE_LIBRTE_PMD_SKELETON_EVENTDEV) += skeleton DIRS-$(CONFIG_RTE_LIBRTE_PMD_SW_EVENTDEV) += sw DIRS-$(CONFIG_RTE_LIBRTE_PMD_OCTEONTX_SSOVF) += octeontx +DIRS-$(CONFIG_RTE_LIBRTE_PMD_DPAA_EVENTDEV) += dpaa DIRS-$(CONFIG_RTE_LIBRTE_PMD_DPAA2_EVENTDEV) += dpaa2 DIRS-$(CONFIG_RTE_LIBRTE_PMD_OPDL_EVENTDEV) += opdl diff --git a/drivers/event/dpaa/Makefile b/drivers/event/dpaa/Makefile new file mode 100644 index 0000000000..bd0b6c9a24 --- /dev/null +++ b/drivers/event/dpaa/Makefile @@ -0,0 +1,37 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright 2017 NXP +# + +include $(RTE_SDK)/mk/rte.vars.mk +RTE_SDK_DPAA=$(RTE_SDK)/drivers/net/dpaa + +# +# library name +# +LIB = librte_pmd_dpaa_event.a + +CFLAGS := -I$(SRCDIR) $(CFLAGS) +CFLAGS += -O3 $(WERROR_FLAGS) +CFLAGS += -Wno-pointer-arith +CFLAGS += -I$(RTE_SDK_DPAA)/ +CFLAGS += -I$(RTE_SDK_DPAA)/include +CFLAGS += -I$(RTE_SDK)/drivers/bus/dpaa +CFLAGS += -I$(RTE_SDK)/drivers/bus/dpaa/include/ +CFLAGS += -I$(RTE_SDK)/drivers/mempool/dpaa +CFLAGS += -I$(RTE_SDK)/lib/librte_eal/common/include +CFLAGS += -I$(RTE_SDK)/lib/librte_eal/linuxapp/eal/include + +EXPORT_MAP := rte_pmd_dpaa_event_version.map + +LIBABIVER := 1 + +# Interfaces with DPDK +SRCS-$(CONFIG_RTE_LIBRTE_PMD_DPAA_EVENTDEV) += dpaa_eventdev.c + +LDLIBS += -lrte_bus_dpaa +LDLIBS += -lrte_mempool_dpaa +LDLIBS += -lrte_eal -lrte_mbuf -lrte_mempool -lrte_ring +LDLIBS += -lrte_ethdev -lrte_net -lrte_kvargs +LDLIBS += -lrte_eventdev -lrte_pmd_dpaa -lrte_bus_vdev + +include $(RTE_SDK)/mk/rte.lib.mk diff --git a/drivers/event/dpaa/dpaa_eventdev.c b/drivers/event/dpaa/dpaa_eventdev.c new file mode 100644 index 0000000000..ba9b81418c --- /dev/null +++ b/drivers/event/dpaa/dpaa_eventdev.c @@ -0,0 +1,270 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright 2017 NXP + */ + +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include "dpaa_eventdev.h" +#include + +/* + * Clarifications + * Evendev = Virtual Instance for SoC + * Eventport = Portal Instance + * Eventqueue = Channel Instance + * 1 Eventdev can have N Eventqueue + */ + +static int +dpaa_event_dequeue_timeout_ticks(struct rte_eventdev *dev, uint64_t ns, + uint64_t *timeout_ticks) +{ + uint64_t cycles_per_second; + + EVENTDEV_DRV_FUNC_TRACE(); + + RTE_SET_USED(dev); + + cycles_per_second = rte_get_timer_hz(); + *timeout_ticks = ns * (cycles_per_second / NS_PER_S); + + return 0; +} + +static void +dpaa_event_dev_info_get(struct rte_eventdev *dev, + struct rte_event_dev_info *dev_info) +{ + EVENTDEV_DRV_FUNC_TRACE(); + + RTE_SET_USED(dev); + dev_info->driver_name = "event_dpaa"; + dev_info->min_dequeue_timeout_ns = + DPAA_EVENT_MIN_DEQUEUE_TIMEOUT; + dev_info->max_dequeue_timeout_ns = + DPAA_EVENT_MAX_DEQUEUE_TIMEOUT; + dev_info->dequeue_timeout_ns = + DPAA_EVENT_MIN_DEQUEUE_TIMEOUT; + dev_info->max_event_queues = + DPAA_EVENT_MAX_QUEUES; + dev_info->max_event_queue_flows = + DPAA_EVENT_MAX_QUEUE_FLOWS; + dev_info->max_event_queue_priority_levels = + DPAA_EVENT_MAX_QUEUE_PRIORITY_LEVELS; + dev_info->max_event_priority_levels = + DPAA_EVENT_MAX_EVENT_PRIORITY_LEVELS; + dev_info->max_event_ports = + DPAA_EVENT_MAX_EVENT_PORT; + dev_info->max_event_port_dequeue_depth = + DPAA_EVENT_MAX_PORT_DEQUEUE_DEPTH; + dev_info->max_event_port_enqueue_depth = + DPAA_EVENT_MAX_PORT_ENQUEUE_DEPTH; + /* + * TODO: Need to find out that how to fetch this info + * from kernel or somewhere else. + */ + dev_info->max_num_events = + DPAA_EVENT_MAX_NUM_EVENTS; + dev_info->event_dev_cap = + RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED | + RTE_EVENT_DEV_CAP_BURST_MODE | + RTE_EVENT_DEV_CAP_MULTIPLE_QUEUE_PORT | + RTE_EVENT_DEV_CAP_NONSEQ_MODE; +} + +static int +dpaa_event_dev_configure(const struct rte_eventdev *dev) +{ + struct dpaa_eventdev *priv = dev->data->dev_private; + struct rte_event_dev_config *conf = &dev->data->dev_conf; + int ret, i; + uint32_t *ch_id; + + EVENTDEV_DRV_FUNC_TRACE(); + + priv->dequeue_timeout_ns = conf->dequeue_timeout_ns; + priv->nb_events_limit = conf->nb_events_limit; + priv->nb_event_queues = conf->nb_event_queues; + priv->nb_event_ports = conf->nb_event_ports; + priv->nb_event_queue_flows = conf->nb_event_queue_flows; + priv->nb_event_port_dequeue_depth = conf->nb_event_port_dequeue_depth; + priv->nb_event_port_enqueue_depth = conf->nb_event_port_enqueue_depth; + priv->event_dev_cfg = conf->event_dev_cfg; + + /* Check dequeue timeout method is per dequeue or global */ + if (priv->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT) { + /* + * Use timeout value as given in dequeue operation. + * So invalidating this timetout value. + */ + priv->dequeue_timeout_ns = 0; + } + + ch_id = rte_malloc("dpaa-channels", + sizeof(uint32_t) * priv->nb_event_queues, + RTE_CACHE_LINE_SIZE); + if (ch_id == NULL) { + EVENTDEV_DRV_ERR("Fail to allocate memory for dpaa channels\n"); + return -ENOMEM; + } + /* Create requested event queues within the given event device */ + ret = qman_alloc_pool_range(ch_id, priv->nb_event_queues, 1, 0); + if (ret < 0) { + EVENTDEV_DRV_ERR("Failed to create internal channel\n"); + rte_free(ch_id); + return ret; + } + for (i = 0; i < priv->nb_event_queues; i++) + priv->evq_info[i].ch_id = (u16)ch_id[i]; + + /* Lets prepare event ports */ + memset(&priv->ports[0], 0, + sizeof(struct dpaa_port) * priv->nb_event_ports); + if (priv->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT) { + for (i = 0; i < priv->nb_event_ports; i++) { + priv->ports[i].timeout = + DPAA_EVENT_PORT_DEQUEUE_TIMEOUT_INVALID; + } + } else if (priv->dequeue_timeout_ns == 0) { + for (i = 0; i < priv->nb_event_ports; i++) { + dpaa_event_dequeue_timeout_ticks(NULL, + DPAA_EVENT_PORT_DEQUEUE_TIMEOUT_NS, + &priv->ports[i].timeout); + } + } else { + for (i = 0; i < priv->nb_event_ports; i++) { + dpaa_event_dequeue_timeout_ticks(NULL, + priv->dequeue_timeout_ns, + &priv->ports[i].timeout); + } + } + /* + * TODO: Currently portals are affined with threads. Maximum threads + * can be created equals to number of lcore. + */ + rte_free(ch_id); + EVENTDEV_DRV_LOG("Configured eventdev devid=%d", dev->data->dev_id); + + return 0; +} + +static int +dpaa_event_dev_start(struct rte_eventdev *dev) +{ + EVENTDEV_DRV_FUNC_TRACE(); + RTE_SET_USED(dev); + + return 0; +} + +static void +dpaa_event_dev_stop(struct rte_eventdev *dev) +{ + EVENTDEV_DRV_FUNC_TRACE(); + RTE_SET_USED(dev); +} + +static int +dpaa_event_dev_close(struct rte_eventdev *dev) +{ + EVENTDEV_DRV_FUNC_TRACE(); + RTE_SET_USED(dev); + + return 0; +} + + + +static const struct rte_eventdev_ops dpaa_eventdev_ops = { + .dev_infos_get = dpaa_event_dev_info_get, + .dev_configure = dpaa_event_dev_configure, + .dev_start = dpaa_event_dev_start, + .dev_stop = dpaa_event_dev_stop, + .dev_close = dpaa_event_dev_close, + .timeout_ticks = dpaa_event_dequeue_timeout_ticks, +}; + +static int +dpaa_event_dev_create(const char *name) +{ + struct rte_eventdev *eventdev; + struct dpaa_eventdev *priv; + + eventdev = rte_event_pmd_vdev_init(name, + sizeof(struct dpaa_eventdev), + rte_socket_id()); + if (eventdev == NULL) { + EVENTDEV_DRV_ERR("Failed to create eventdev vdev %s", name); + goto fail; + } + + eventdev->dev_ops = &dpaa_eventdev_ops; + + /* For secondary processes, the primary has done all the work */ + if (rte_eal_process_type() != RTE_PROC_PRIMARY) + return 0; + + priv = eventdev->data->dev_private; + priv->max_event_queues = DPAA_EVENT_MAX_QUEUES; + + return 0; +fail: + return -EFAULT; +} + +static int +dpaa_event_dev_probe(struct rte_vdev_device *vdev) +{ + const char *name; + + name = rte_vdev_device_name(vdev); + EVENTDEV_DRV_LOG("Initializing %s", name); + + return dpaa_event_dev_create(name); +} + +static int +dpaa_event_dev_remove(struct rte_vdev_device *vdev) +{ + const char *name; + + name = rte_vdev_device_name(vdev); + EVENTDEV_DRV_LOG("Closing %s", name); + + return rte_event_pmd_vdev_uninit(name); +} + +static struct rte_vdev_driver vdev_eventdev_dpaa_pmd = { + .probe = dpaa_event_dev_probe, + .remove = dpaa_event_dev_remove +}; + +RTE_PMD_REGISTER_VDEV(EVENTDEV_NAME_DPAA_PMD, vdev_eventdev_dpaa_pmd); diff --git a/drivers/event/dpaa/dpaa_eventdev.h b/drivers/event/dpaa/dpaa_eventdev.h new file mode 100644 index 0000000000..153f38d9e9 --- /dev/null +++ b/drivers/event/dpaa/dpaa_eventdev.h @@ -0,0 +1,81 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright 2017 NXP + */ + +#ifndef __DPAA_EVENTDEV_H__ +#define __DPAA_EVENTDEV_H__ + +#include +#include +#include +#include + +#define EVENTDEV_NAME_DPAA_PMD event_dpaa + +#define EVENTDEV_DRV_LOG(fmt, args...) \ + DPAA_EVENTDEV_INFO(fmt, ## args) +#define EVENTDEV_DRV_FUNC_TRACE() \ + DPAA_EVENTDEV_DEBUG("%s() Called:\n", __func__) +#define EVENTDEV_DRV_ERR(fmt, args...) \ + DPAA_EVENTDEV_ERR("%s(): " fmt "\n", __func__, ## args) + +#define DPAA_EVENT_MAX_PORTS 8 +#define DPAA_EVENT_MAX_QUEUES 16 +#define DPAA_EVENT_MIN_DEQUEUE_TIMEOUT 1 +#define DPAA_EVENT_MAX_DEQUEUE_TIMEOUT (UINT32_MAX - 1) +#define DPAA_EVENT_MAX_QUEUE_FLOWS 2048 +#define DPAA_EVENT_MAX_QUEUE_PRIORITY_LEVELS 8 +#define DPAA_EVENT_MAX_EVENT_PRIORITY_LEVELS 0 +#define DPAA_EVENT_MAX_EVENT_PORT RTE_MAX_LCORE +#define DPAA_EVENT_MAX_PORT_DEQUEUE_DEPTH 8 +#define DPAA_EVENT_PORT_DEQUEUE_TIMEOUT_NS 100UL +#define DPAA_EVENT_PORT_DEQUEUE_TIMEOUT_INVALID ((uint64_t)-1) +#define DPAA_EVENT_MAX_PORT_ENQUEUE_DEPTH 1 +#define DPAA_EVENT_MAX_NUM_EVENTS (INT32_MAX - 1) + +#define DPAA_EVENT_DEV_CAP \ +do { \ + RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED | \ + RTE_EVENT_DEV_CAP_BURST_MODE; \ +} while (0) + +#define DPAA_EVENT_QUEUE_ATOMIC_FLOWS 0 +#define DPAA_EVENT_QUEUE_ORDER_SEQUENCES 2048 + +#define RTE_EVENT_ETH_RX_ADAPTER_DPAA_CAP \ + (RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT | \ + RTE_EVENT_ETH_RX_ADAPTER_CAP_MULTI_EVENTQ | \ + RTE_EVENT_ETH_RX_ADAPTER_CAP_OVERRIDE_FLOW_ID) + +struct dpaa_eventq { + /* Channel Id */ + uint16_t ch_id; + /* Configuration provided by the user */ + uint32_t event_queue_cfg; + uint32_t event_queue_id; + /* Event port */ + void *event_port; +}; + +struct dpaa_port { + struct dpaa_eventq evq_info[DPAA_EVENT_MAX_QUEUES]; + uint8_t num_linked_evq; + uint8_t is_port_linked; + uint64_t timeout; +}; + +struct dpaa_eventdev { + struct dpaa_eventq evq_info[DPAA_EVENT_MAX_QUEUES]; + struct dpaa_port ports[DPAA_EVENT_MAX_PORTS]; + uint32_t dequeue_timeout_ns; + uint32_t nb_events_limit; + uint8_t max_event_queues; + uint8_t nb_event_queues; + uint8_t nb_event_ports; + uint8_t resvd; + uint32_t nb_event_queue_flows; + uint32_t nb_event_port_dequeue_depth; + uint32_t nb_event_port_enqueue_depth; + uint32_t event_dev_cfg; +}; +#endif /* __DPAA_EVENTDEV_H__ */ diff --git a/drivers/event/dpaa/rte_pmd_dpaa_event_version.map b/drivers/event/dpaa/rte_pmd_dpaa_event_version.map new file mode 100644 index 0000000000..179140fb87 --- /dev/null +++ b/drivers/event/dpaa/rte_pmd_dpaa_event_version.map @@ -0,0 +1,4 @@ +DPDK_18.02 { + + local: *; +}; diff --git a/mk/rte.app.mk b/mk/rte.app.mk index 5d34e2c43d..270bbeca4b 100644 --- a/mk/rte.app.mk +++ b/mk/rte.app.mk @@ -211,6 +211,7 @@ ifeq ($(CONFIG_RTE_LIBRTE_EVENTDEV),y) _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_SKELETON_EVENTDEV) += -lrte_pmd_skeleton_event _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_SW_EVENTDEV) += -lrte_pmd_sw_event _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_OCTEONTX_SSOVF) += -lrte_pmd_octeontx_ssovf +_LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_DPAA_EVENTDEV) += -lrte_pmd_dpaa_event _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_DPAA2_EVENTDEV) += -lrte_pmd_dpaa2_event _LDLIBS-$(CONFIG_RTE_LIBRTE_OCTEONTX_MEMPOOL) += -lrte_mempool_octeontx _LDLIBS-$(CONFIG_RTE_LIBRTE_OCTEONTX_PMD) += -lrte_pmd_octeontx