From: Amit Prakash Shukla <amitprakashs@marvell.com>
To: Thomas Monjalon <thomas@monjalon.net>,
Amit Prakash Shukla <amitprakashs@marvell.com>,
Jerin Jacob <jerinj@marvell.com>
Cc: <dev@dpdk.org>, <fengchengwen@huawei.com>,
<kevin.laatz@intel.com>, <bruce.richardson@intel.com>,
<conor.walsh@intel.com>, <vattunuru@marvell.com>,
<g.singh@nxp.com>, <sachin.saxena@oss.nxp.com>,
<hemant.agrawal@nxp.com>, <cheng1.jiang@intel.com>,
<ndabilpuram@marvell.com>, <anoobj@marvell.com>,
<mb@smartsharesystems.com>
Subject: [PATCH v5 01/12] eventdev/dma: introduce DMA adapter
Date: Thu, 28 Sep 2023 16:06:12 +0530 [thread overview]
Message-ID: <20230928103623.216287-2-amitprakashs@marvell.com> (raw)
In-Reply-To: <20230928103623.216287-1-amitprakashs@marvell.com>
Introduce event dma adapter interface to transfer packets between
dma device and event device.
Signed-off-by: Amit Prakash Shukla <amitprakashs@marvell.com>
Acked-by: Jerin Jacob <jerinj@marvell.com>
---
MAINTAINERS | 8 +-
doc/api/doxy-api-index.md | 1 +
doc/guides/eventdevs/features/default.ini | 8 +
doc/guides/prog_guide/event_dma_adapter.rst | 264 ++++
doc/guides/prog_guide/eventdev.rst | 8 +-
.../img/event_dma_adapter_op_forward.svg | 1086 +++++++++++++++++
.../img/event_dma_adapter_op_new.svg | 1079 ++++++++++++++++
doc/guides/prog_guide/index.rst | 1 +
doc/guides/rel_notes/release_23_11.rst | 5 +
lib/eventdev/eventdev_pmd.h | 171 ++-
lib/eventdev/eventdev_private.c | 10 +
lib/eventdev/meson.build | 1 +
lib/eventdev/rte_event_dma_adapter.h | 581 +++++++++
lib/eventdev/rte_eventdev.h | 44 +
lib/eventdev/rte_eventdev_core.h | 8 +-
lib/eventdev/version.map | 16 +
lib/meson.build | 2 +-
17 files changed, 3286 insertions(+), 7 deletions(-)
create mode 100644 doc/guides/prog_guide/event_dma_adapter.rst
create mode 100644 doc/guides/prog_guide/img/event_dma_adapter_op_forward.svg
create mode 100644 doc/guides/prog_guide/img/event_dma_adapter_op_new.svg
create mode 100644 lib/eventdev/rte_event_dma_adapter.h
diff --git a/MAINTAINERS b/MAINTAINERS
index a926155f26..e731a75d39 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -540,6 +540,13 @@ F: lib/eventdev/*crypto_adapter*
F: app/test/test_event_crypto_adapter.c
F: doc/guides/prog_guide/event_crypto_adapter.rst
+Eventdev DMA Adapter API
+M: Amit Prakash Shukla <amitprakashs@marvell.com>
+T: git://dpdk.org/next/dpdk-next-eventdev
+F: lib/eventdev/*dma_adapter*
+F: app/test/test_event_dma_adapter.c
+F: doc/guides/prog_guide/event_dma_adapter.rst
+
Raw device API
M: Sachin Saxena <sachin.saxena@oss.nxp.com>
M: Hemant Agrawal <hemant.agrawal@nxp.com>
@@ -548,7 +555,6 @@ F: drivers/raw/skeleton/
F: app/test/test_rawdev.c
F: doc/guides/prog_guide/rawdev.rst
-
Memory Pool Drivers
-------------------
diff --git a/doc/api/doxy-api-index.md b/doc/api/doxy-api-index.md
index fdeda13932..b7df7be4d9 100644
--- a/doc/api/doxy-api-index.md
+++ b/doc/api/doxy-api-index.md
@@ -29,6 +29,7 @@ The public API headers are grouped by topics:
[event_eth_tx_adapter](@ref rte_event_eth_tx_adapter.h),
[event_timer_adapter](@ref rte_event_timer_adapter.h),
[event_crypto_adapter](@ref rte_event_crypto_adapter.h),
+ [event_dma_adapter](@ref rte_event_dma_adapter.h),
[rawdev](@ref rte_rawdev.h),
[metrics](@ref rte_metrics.h),
[bitrate](@ref rte_bitrate.h),
diff --git a/doc/guides/eventdevs/features/default.ini b/doc/guides/eventdevs/features/default.ini
index 00360f60c6..73a52d915b 100644
--- a/doc/guides/eventdevs/features/default.ini
+++ b/doc/guides/eventdevs/features/default.ini
@@ -44,6 +44,14 @@ internal_port_op_fwd =
internal_port_qp_ev_bind =
session_private_data =
+;
+; Features of a default DMA adapter.
+;
+[DMA adapter Features]
+internal_port_op_new =
+internal_port_op_fwd =
+internal_port_vchan_ev_bind =
+
;
; Features of a default Timer adapter.
;
diff --git a/doc/guides/prog_guide/event_dma_adapter.rst b/doc/guides/prog_guide/event_dma_adapter.rst
new file mode 100644
index 0000000000..701e50d042
--- /dev/null
+++ b/doc/guides/prog_guide/event_dma_adapter.rst
@@ -0,0 +1,264 @@
+.. SPDX-License-Identifier: BSD-3-Clause
+ Copyright (c) 2023 Marvell.
+
+Event DMA Adapter Library
+=========================
+
+DPDK :doc:`Eventdev library <eventdev>` provides event driven programming model with features
+to schedule events. :doc:`DMA Device library <dmadev>` provides an interface to DMA poll mode
+drivers that support DMA operations. Event DMA Adapter is intended to bridge between the event
+device and the DMA device.
+
+Packet flow from DMA device to the event device can be accomplished using software and hardware
+based transfer mechanisms. The adapter queries an eventdev PMD to determine which mechanism to
+be used. The adapter uses an EAL service core function for software based packet transfer and
+uses the eventdev PMD functions to configure hardware based packet transfer between DMA device
+and the event device. DMA adapter uses a new event type called ``RTE_EVENT_TYPE_DMADEV`` to
+indicate the source of event.
+
+Application can choose to submit an DMA operation directly to an DMA device or send it to an DMA
+adapter via eventdev based on ``RTE_EVENT_DMA_ADAPTER_CAP_INTERNAL_PORT_OP_FWD`` capability. The
+first mode is known as the event new (``RTE_EVENT_DMA_ADAPTER_OP_NEW``) mode and the second as the
+event forward (``RTE_EVENT_DMA_ADAPTER_OP_FORWARD``) mode. Choice of mode can be specified while
+creating the adapter. In the former mode, it is the application's responsibility to enable
+ingress packet ordering. In the latter mode, it is the adapter's responsibility to enable
+ingress packet ordering.
+
+
+Adapter Modes
+-------------
+
+RTE_EVENT_DMA_ADAPTER_OP_NEW mode
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+In the ``RTE_EVENT_DMA_ADAPTER_OP_NEW`` mode, application submits DMA operations directly to an DMA
+device. The adapter then dequeues DMA completions from the DMA device and enqueues them as events
+to the event device. This mode does not ensure ingress ordering as the application directly
+enqueues to the dmadev without going through DMA/atomic stage. In this mode, events dequeued
+from the adapter are treated as new events. The application has to specify event information
+(response information) which is needed to enqueue an event after the DMA operation is completed.
+
+.. _figure_event_dma_adapter_op_new:
+
+.. figure:: img/event_dma_adapter_op_new.*
+
+ Working model of ``RTE_EVENT_DMA_ADAPTER_OP_NEW`` mode
+
+
+RTE_EVENT_DMA_ADAPTER_OP_FORWARD mode
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+In the ``RTE_EVENT_DMA_ADAPTER_OP_FORWARD`` mode, if the event PMD and DMA PMD supports internal
+event port (``RTE_EVENT_DMA_ADAPTER_CAP_INTERNAL_PORT_OP_FWD``), the application should use
+``rte_event_dma_adapter_enqueue()`` API to enqueue DMA operations as events to DMA adapter. If
+not, application retrieves DMA adapter's event port using ``rte_event_dma_adapter_event_port_get()``
+API, links its event queue to this port and starts enqueuing DMA operations as events to eventdev
+using ``rte_event_enqueue_burst()``. The adapter then dequeues the events and submits the DMA
+operations to the dmadev. After the DMA operation is complete, the adapter enqueues events to the
+event device.
+
+Applications can use this mode when ingress packet ordering is needed. In this mode, events
+dequeued from the adapter will be treated as forwarded events. Application has to specify event
+information (response information) needed to enqueue the event after the DMA operation has
+completed.
+
+.. _figure_event_dma_adapter_op_forward:
+
+.. figure:: img/event_dma_adapter_op_forward.*
+
+ Working model of ``RTE_EVENT_DMA_ADAPTER_OP_FORWARD`` mode
+
+
+API Overview
+------------
+
+This section has a brief introduction to the event DMA adapter APIs. The application is expected
+to create an adapter which is associated with a single eventdev, then add dmadev and vchan to the
+adapter instance.
+
+
+Create an adapter instance
+~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+An adapter instance is created using ``rte_event_dma_adapter_create()``. This function is called
+with event device to be associated with the adapter and port configuration for the adapter to
+setup an event port (if the adapter needs to use a service function).
+
+Adapter can be started in ``RTE_EVENT_DMA_ADAPTER_OP_NEW`` or ``RTE_EVENT_DMA_ADAPTER_OP_FORWARD``
+mode.
+
+.. code-block:: c
+
+ enum rte_event_dma_adapter_mode mode;
+ struct rte_event_dev_info dev_info;
+ struct rte_event_port_conf conf;
+ uint8_t evdev_id;
+ uint8_t dma_id;
+ int ret;
+
+ ret = rte_event_dev_info_get(dma_id, &dev_info);
+
+ conf.new_event_threshold = dev_info.max_num_events;
+ conf.dequeue_depth = dev_info.max_event_port_dequeue_depth;
+ conf.enqueue_depth = dev_info.max_event_port_enqueue_depth;
+ mode = RTE_EVENT_DMA_ADAPTER_OP_FORWARD;
+ ret = rte_event_dma_adapter_create(dma_id, evdev_id, &conf, mode);
+
+
+``rte_event_dma_adapter_create_ext()`` function can be used by the application to have a finer
+control on eventdev port allocation and setup. The ``rte_event_dma_adapter_create_ext()``
+function is passed a callback function. The callback function is invoked if the adapter creates
+a service function and uses an event port for it. The callback is expected to fill the
+``struct rte_event_dma_adapter_conf`` structure passed to it.
+
+In the ``RTE_EVENT_DMA_ADAPTER_OP_FORWARD`` mode, if the event PMD and DMA PMD supports internal
+event port (``RTE_EVENT_DMA_ADAPTER_CAP_INTERNAL_PORT_OP_FWD``), events with DMA operations should
+be enqueued to the DMA adapter using ``rte_event_dma_adapter_enqueue()`` API. If not, the event port
+created by the adapter can be retrieved using ``rte_event_dma_adapter_event_port_get()`` API. An
+application can use this event port to link with an event queue, on which it enqueues events
+towards the DMA adapter using ``rte_event_enqueue_burst()``.
+
+.. code-block:: c
+
+ uint8_t dma_adpt_id, evdev_id, dma_dev_id, dma_ev_port_id, app_qid;
+ struct rte_event ev;
+ uint32_t cap;
+ int ret;
+
+ // Fill in event info and update event_ptr with rte_dma_op
+ memset(&ev, 0, sizeof(ev));
+ .
+ .
+ ev.event_ptr = op;
+
+ ret = rte_event_dma_adapter_caps_get(evdev_id, dma_dev_id, &cap);
+ if (cap & RTE_EVENT_DMA_ADAPTER_CAP_INTERNAL_PORT_OP_FWD) {
+ ret = rte_event_dma_adapter_enqueue(evdev_id, app_ev_port_id, ev, nb_events);
+ } else {
+ ret = rte_event_dma_adapter_event_port_get(dma_adpt_id, &dma_ev_port_id);
+ ret = rte_event_queue_setup(evdev_id, app_qid, NULL);
+ ret = rte_event_port_link(evdev_id, dma_ev_port_id, &app_qid, NULL, 1);
+ ev.queue_id = app_qid;
+ ret = rte_event_enqueue_burst(evdev_id, app_ev_port_id, ev, nb_events);
+ }
+
+
+Event device configuration for service based adapter
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+When ``rte_event_dma_adapter_create()`` is used for creating adapter instance,
+``rte_event_dev_config::nb_event_ports`` is automatically incremented, and event device is
+reconfigured with additional event port during service initialization. This event device
+reconfigure logic also increments the ``rte_event_dev_config::nb_single_link_event_port_queues``
+parameter if the adapter event port config is of type ``RTE_EVENT_PORT_CFG_SINGLE_LINK``.
+
+Applications using this mode of adapter creation need not configure the event device with
+``rte_event_dev_config::nb_event_ports`` and
+``rte_event_dev_config::nb_single_link_event_port_queues`` parameters required for DMA adapter when
+the adapter is created using the above-mentioned API.
+
+
+Querying adapter capabilities
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The ``rte_event_dma_adapter_caps_get()`` function allows the application to query the adapter
+capabilities for an eventdev and dmadev combination. This API provides whether dmadev and eventdev
+are connected using internal HW port or not.
+
+.. code-block:: c
+
+ rte_event_dma_adapter_caps_get(dev_id, dma_dev_id, &cap);
+
+
+Adding vchan to the adapter instance
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+dmadev device id and vchan are configured using dmadev APIs. For more information
+see :doc:`here <dmadev>`.
+
+.. code-block:: c
+
+ struct rte_dma_vchan_conf vchan_conf;
+ struct rte_dma_conf dev_conf;
+ uint8_t dev_id = 0;
+ uint16_t vchan = 0;
+
+ rte_dma_configure(dev_id, &dev_conf);
+ rte_dma_vchan_setup(dev_id, vchan, &vchan_conf);
+
+These dmadev id and vchan are added to the instance using the
+``rte_event_dma_adapter_vchan_add()`` API. The same is removed using
+``rte_event_dma_adapter_vchan_del()`` API. If hardware supports
+``RTE_EVENT_DMA_ADAPTER_CAP_INTERNAL_PORT_VCHAN_EV_BIND`` capability, event information must be passed to the add API.
+
+.. code-block:: c
+
+ uint32_t cap;
+ int ret;
+
+ ret = rte_event_dma_adapter_caps_get(evdev_id, dma_dev_id, &cap);
+ if (cap & RTE_EVENT_DMA_ADAPTER_CAP_INTERNAL_PORT_VCHAN_EV_BIND) {
+ struct rte_event event;
+
+ rte_event_dma_adapter_vchan_add(id, dma_dev_id, vchan, &conf);
+ } else
+ rte_event_dma_adapter_vchan_add(id, dma_dev_id, vchan, NULL);
+
+
+Configuring service function
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+If the adapter uses a service function, the application is required to assign a service core to
+the service function as show below.
+
+.. code-block:: c
+
+ uint32_t service_id;
+
+ if (rte_event_dma_adapter_service_id_get(dma_id, &service_id) == 0)
+ rte_service_map_lcore_set(service_id, CORE_ID);
+
+
+Set event response information
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+In the RTE_EVENT_DMA_ADAPTER_OP_FORWARD / RTE_EVENT_DMA_ADAPTER_OP_NEW mode, the application
+specifies the dmadev ID and vchan ID in ``struct rte_event_dma_adapter_op`` and the event
+information (response information) needed to enqueue an event after the DMA operation has
+completed. The response information is specified in ``struct rte_event`` and appended to the
+``struct rte_event_dma_adapter_op``.
+
+
+Start the adapter instance
+~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The application calls ``rte_event_dma_adapter_start()`` to start the adapter. This function calls
+the start callbacks of the eventdev PMDs for hardware based eventdev-dmadev connections and
+``rte_service_run_state_set()`` to enable the service function if one exists.
+
+.. code-block:: c
+
+ rte_event_dma_adapter_start(id);
+
+.. Note::
+
+ The eventdev to which the event_dma_adapter is connected should be started before calling
+ rte_event_dma_adapter_start().
+
+
+Get adapter statistics
+~~~~~~~~~~~~~~~~~~~~~~
+
+The ``rte_event_dma_adapter_stats_get()`` function reports counters defined in struct
+``rte_event_dma_adapter_stats``. The received packet and enqueued event counts are a sum of the
+counts from the eventdev PMD callbacks if the callback is supported, and the counts maintained by
+the service function, if one exists.
+
+Set/Get adapter runtime configuration parameters
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The runtime configuration parameters of adapter can be set/get using
+``rte_event_dma_adapter_runtime_params_set()`` and
+``rte_event_dma_adapter_runtime_params_get()`` respectively.
+The parameters that can be set/get are defined in
+``struct rte_event_dma_adapter_runtime_params``.
diff --git a/doc/guides/prog_guide/eventdev.rst b/doc/guides/prog_guide/eventdev.rst
index 2c83176846..ff55115d0d 100644
--- a/doc/guides/prog_guide/eventdev.rst
+++ b/doc/guides/prog_guide/eventdev.rst
@@ -333,7 +333,8 @@ eventdev.
.. Note::
EventDev needs to be started before starting the event producers such
- as event_eth_rx_adapter, event_timer_adapter and event_crypto_adapter.
+ as event_eth_rx_adapter, event_timer_adapter, event_crypto_adapter and
+ event_dma_adapter.
Ingress of New Events
~~~~~~~~~~~~~~~~~~~~~
@@ -445,8 +446,9 @@ using ``rte_event_dev_stop_flush_callback_register()`` function.
.. Note::
The event producers such as ``event_eth_rx_adapter``,
- ``event_timer_adapter`` and ``event_crypto_adapter``
- need to be stopped before stopping the event device.
+ ``event_timer_adapter``, ``event_crypto_adapter`` and
+ ``event_dma_adapter`` need to be stopped before stopping
+ the event device.
Summary
-------
diff --git a/doc/guides/prog_guide/img/event_dma_adapter_op_forward.svg b/doc/guides/prog_guide/img/event_dma_adapter_op_forward.svg
new file mode 100644
index 0000000000..b7fe1fecf2
--- /dev/null
+++ b/doc/guides/prog_guide/img/event_dma_adapter_op_forward.svg
@@ -0,0 +1,1086 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- SPDX-License-Identifier: BSD-3-Clause -->
+<!-- Copyright (c) 2023 Marvell. -->
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+ sodipodi:role="line"
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+ xml:space="preserve"><tspan
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+ transform="matrix(0.73232502,0,0,0.75477602,188.53518,-3.37471)">
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+ style="font-style:normal;font-weight:normal;line-height:0%;font-family:sans-serif;text-align:center;letter-spacing:0px;word-spacing:0px;text-anchor:middle;fill:#000000;fill-opacity:1;stroke:none"
+ xml:space="preserve"><tspan
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:18.8307px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:Sans;text-align:start;writing-mode:lr-tb;text-anchor:start"
+ y="70"
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+ sodipodi:role="line"
+ id="tspan3201-6">1. Events from the previous stage.</tspan><tspan
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:18.8307px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:Sans;text-align:start;writing-mode:lr-tb;text-anchor:start"
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+ sodipodi:role="line"
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+ sodipodi:role="line"
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+ sodipodi:role="line"
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+ id="tspan3290"> operations as events to eventdev.</tspan><tspan
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+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:18.8307px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:Sans;text-align:start;writing-mode:lr-tb;text-anchor:start"
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+ sodipodi:role="line"
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new file mode 100644
index 0000000000..e9e8bb2b98
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+ sodipodi:role="line">Eventdev</tspan></text>
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+ style="font-style:normal;font-weight:normal;line-height:0%;font-family:sans-serif;text-align:center;letter-spacing:0px;word-spacing:0px;text-anchor:middle;fill:#000000;fill-opacity:1;stroke:none"
+ xml:space="preserve"><tspan
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:21.5208px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:Sans;text-align:center;writing-mode:lr-tb;text-anchor:middle"
+ y="70"
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+ id="tspan29165-9-7-5"
+ sodipodi:role="line">A<tspan
+ style="line-height:100%;font-family:sans-serif"
+ id="tspan3374">tomic Stage</tspan></tspan><tspan
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:21.5208px;line-height:100%;font-family:sans-serif;-inkscape-font-specification:Sans;text-align:center;writing-mode:lr-tb;text-anchor:middle"
+ y="94.210899"
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+ sodipodi:role="line"
+ id="tspan3320">+</tspan><tspan
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:21.5208px;line-height:100%;font-family:sans-serif;-inkscape-font-specification:Sans;text-align:center;writing-mode:lr-tb;text-anchor:middle"
+ y="115.7317"
+ x="454.74152"
+ sodipodi:role="line"
+ id="tspan3322">Enqueue to</tspan><tspan
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:21.5208px;line-height:100%;font-family:sans-serif;-inkscape-font-specification:Sans;text-align:center;writing-mode:lr-tb;text-anchor:middle"
+ y="137.2525"
+ x="454.74152"
+ sodipodi:role="line"
+ id="tspan3324">DMA Device</tspan></text>
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+ y="70"
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+ id="tspan29165-9-7-7"
+ sodipodi:role="line">DMA Device</tspan></text>
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+ xml:space="preserve"><tspan
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+ id="tspan29165-9-7-7-0"
+ sodipodi:role="line">DMA</tspan><tspan
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:24.2109px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:Sans;text-align:center;writing-mode:lr-tb;text-anchor:middle"
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+ x="368.01718"
+ sodipodi:role="line"
+ id="tspan3488">Adapter</tspan></text>
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+ transform="matrix(0.73232502,0,0,0.75477602,250.96804,192.62529)">
+ <text
+ id="text29163-9-6-8-2-3"
+ y="-188.35481"
+ x="318.61978"
+ style="font-style:normal;font-weight:normal;line-height:0%;font-family:sans-serif;text-align:center;letter-spacing:0px;word-spacing:0px;text-anchor:middle;fill:#000000;fill-opacity:1;stroke:none"
+ xml:space="preserve"><tspan
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:21.5208px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:Sans;text-align:start;writing-mode:lr-tb;text-anchor:start"
+ y="-188.35481"
+ x="318.61978"
+ sodipodi:role="line"
+ id="tspan3543">1. Application dequeues</tspan><tspan
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:21.5208px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:Sans;text-align:start;writing-mode:lr-tb;text-anchor:start"
+ y="-161.45381"
+ x="318.61978"
+ sodipodi:role="line"
+ id="tspan3196"> events from the previous</tspan><tspan
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:21.5208px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:Sans;text-align:start;writing-mode:lr-tb;text-anchor:start"
+ y="-134.55281"
+ x="318.61978"
+ sodipodi:role="line"
+ id="tspan3232"> stage</tspan><tspan
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:21.5208px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:Sans;text-align:start;writing-mode:lr-tb;text-anchor:start"
+ y="-107.65182"
+ x="318.61978"
+ sodipodi:role="line"
+ id="tspan3519"> </tspan><tspan
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:21.5208px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:Sans;text-align:start;writing-mode:lr-tb;text-anchor:start"
+ y="-80.750816"
+ x="318.61978"
+ sodipodi:role="line"
+ id="tspan3551">2. Application prepares the</tspan><tspan
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:21.5208px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:Sans;text-align:start;writing-mode:lr-tb;text-anchor:start"
+ y="-53.849815"
+ x="318.61978"
+ sodipodi:role="line"
+ id="tspan3203"> DMA operations.</tspan><tspan
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:21.5208px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:Sans;text-align:start;writing-mode:lr-tb;text-anchor:start"
+ y="-26.948814"
+ x="318.61978"
+ sodipodi:role="line"
+ id="tspan3523"> </tspan><tspan
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:21.5208px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:Sans;text-align:start;writing-mode:lr-tb;text-anchor:start"
+ y="-0.0478158"
+ x="318.61978"
+ sodipodi:role="line"
+ id="tspan3541">3. DMA operations are</tspan><tspan
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:21.5208px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:Sans;text-align:start;writing-mode:lr-tb;text-anchor:start"
+ y="26.853184"
+ x="318.61978"
+ sodipodi:role="line"
+ id="tspan3207"> submitted to dmadev</tspan><tspan
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:21.5208px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:Sans;text-align:start;writing-mode:lr-tb;text-anchor:start"
+ y="53.754185"
+ x="318.61978"
+ sodipodi:role="line"
+ id="tspan3209"> by application.</tspan><tspan
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:21.5208px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:Sans;text-align:start;writing-mode:lr-tb;text-anchor:start"
+ y="80.655182"
+ x="318.61978"
+ sodipodi:role="line"
+ id="tspan3527"> </tspan><tspan
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:21.5208px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:Sans;text-align:start;writing-mode:lr-tb;text-anchor:start"
+ y="107.55618"
+ x="318.61978"
+ sodipodi:role="line"
+ id="tspan3547">4. DMA adapter dequeues</tspan><tspan
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:21.5208px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:Sans;text-align:start;writing-mode:lr-tb;text-anchor:start"
+ y="134.45718"
+ x="318.61978"
+ sodipodi:role="line"
+ id="tspan3216"> DMA completions from</tspan><tspan
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:21.5208px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:Sans;text-align:start;writing-mode:lr-tb;text-anchor:start"
+ y="161.35818"
+ x="318.61978"
+ sodipodi:role="line"
+ id="tspan3218"> DMA device.</tspan><tspan
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:21.5208px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:Sans;text-align:start;writing-mode:lr-tb;text-anchor:start"
+ y="188.25919"
+ x="318.61978"
+ sodipodi:role="line"
+ id="tspan3531"> </tspan><tspan
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:21.5208px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:Sans;text-align:start;writing-mode:lr-tb;text-anchor:start"
+ y="215.16019"
+ x="318.61978"
+ sodipodi:role="line"
+ id="tspan3549">5. DMA adapter enqueues</tspan><tspan
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:21.5208px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:Sans;text-align:start;writing-mode:lr-tb;text-anchor:start"
+ y="242.06119"
+ x="318.61978"
+ sodipodi:role="line"
+ id="tspan3222"> events to the eventdev.</tspan><tspan
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:21.5208px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:Sans;text-align:start;writing-mode:lr-tb;text-anchor:start"
+ y="268.96219"
+ x="318.61978"
+ sodipodi:role="line"
+ id="tspan3535"> </tspan><tspan
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:21.5208px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:Sans;text-align:start;writing-mode:lr-tb;text-anchor:start"
+ y="295.86319"
+ x="318.61978"
+ sodipodi:role="line"
+ id="tspan3537">6. Application dequeues from</tspan><tspan
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:21.5208px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:Sans;text-align:start;writing-mode:lr-tb;text-anchor:start"
+ y="322.76419"
+ x="318.61978"
+ sodipodi:role="line"
+ id="tspan3224"> eventdev and prepare for</tspan><tspan
+ style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:21.5208px;line-height:125%;font-family:sans-serif;-inkscape-font-specification:Sans;text-align:start;writing-mode:lr-tb;text-anchor:start"
+ y="349.66519"
+ x="318.61978"
+ sodipodi:role="line"
+ id="tspan3226"> further processing</tspan></text>
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diff --git a/doc/guides/prog_guide/index.rst b/doc/guides/prog_guide/index.rst
index 52a6d9e7aa..beaa4b8869 100644
--- a/doc/guides/prog_guide/index.rst
+++ b/doc/guides/prog_guide/index.rst
@@ -60,6 +60,7 @@ Programmer's Guide
event_ethernet_tx_adapter
event_timer_adapter
event_crypto_adapter
+ event_dma_adapter
qos_framework
power_man
packet_classif_access_ctrl
diff --git a/doc/guides/rel_notes/release_23_11.rst b/doc/guides/rel_notes/release_23_11.rst
index b34ddc0860..1a1f337d23 100644
--- a/doc/guides/rel_notes/release_23_11.rst
+++ b/doc/guides/rel_notes/release_23_11.rst
@@ -89,6 +89,11 @@ New Features
* Added support for ``remaining_ticks_get`` timer adapter PMD callback
to get the remaining ticks to expire for a given event timer.
+* **Added event DMA adapter library.**
+
+ * Added the Event DMA Adapter Library. This library extends the event-based
+ model by introducing APIs that allow applications to enqueue/dequeue DMA
+ operations to/from dmadev as events scheduled by an event device.
Removed Items
-------------
diff --git a/lib/eventdev/eventdev_pmd.h b/lib/eventdev/eventdev_pmd.h
index f62f42e140..f7227c0bfd 100644
--- a/lib/eventdev/eventdev_pmd.h
+++ b/lib/eventdev/eventdev_pmd.h
@@ -178,8 +178,12 @@ struct rte_eventdev {
event_tx_adapter_enqueue_t txa_enqueue;
/**< Pointer to PMD eth Tx adapter enqueue function. */
event_crypto_adapter_enqueue_t ca_enqueue;
+ /**< Pointer to PMD crypto adapter enqueue function. */
- uint64_t reserved_64s[4]; /**< Reserved for future fields */
+ event_dma_adapter_enqueue_t dma_enqueue;
+ /**< Pointer to PMD DMA adapter enqueue function. */
+
+ uint64_t reserved_64s[3]; /**< Reserved for future fields */
void *reserved_ptrs[3]; /**< Reserved for future fields */
} __rte_cache_aligned;
@@ -1320,6 +1324,156 @@ typedef int (*eventdev_eth_tx_adapter_queue_stop)
#define eventdev_stop_flush_t rte_eventdev_stop_flush_t
+/**
+ * Retrieve the event device's DMA adapter capabilities for the
+ * specified DMA device
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @param dma_dev_id
+ * DMA device identifier
+ *
+ * @param[out] caps
+ * A pointer to memory filled with event adapter capabilities.
+ * It is expected to be pre-allocated & initialized by caller.
+ *
+ * @return
+ * - 0: Success, driver provides event adapter capabilities for the
+ * dmadev.
+ * - <0: Error code returned by the driver function.
+ *
+ */
+typedef int (*eventdev_dma_adapter_caps_get_t)(const struct rte_eventdev *dev,
+ const int16_t dma_dev_id, uint32_t *caps);
+
+/**
+ * Add DMA vchan queue to event device. This callback is invoked if
+ * the caps returned from rte_event_dma_adapter_caps_get(, dmadev_id)
+ * has RTE_EVENT_DMA_ADAPTER_CAP_INTERNAL_PORT_* set.
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @param dma_dev_id
+ * DMA device identifier
+ *
+ * @param vchan_id
+ * dmadev vchan queue identifier.
+ *
+ * @param event
+ * Event information required for binding dmadev vchan to event queue.
+ * This structure will have a valid value for only those HW PMDs supporting
+ * @see RTE_EVENT_DMA_ADAPTER_CAP_INTERNAL_PORT_VCHAN_EV_BIND capability.
+ *
+ * @return
+ * - 0: Success, dmadev vchan added successfully.
+ * - <0: Error code returned by the driver function.
+ *
+ */
+typedef int (*eventdev_dma_adapter_vchan_add_t)(const struct rte_eventdev *dev,
+ const int16_t dma_dev_id,
+ uint16_t vchan_id,
+ const struct rte_event *event);
+
+/**
+ * Delete DMA vhcan to event device. This callback is invoked if
+ * the caps returned from rte_event_dma_adapter_caps_get(, dmadev_id)
+ * has RTE_EVENT_DMA_ADAPTER_CAP_INTERNAL_PORT_* set.
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @param dma_dev_id
+ * DMA device identifier
+ *
+ * @param vchan_id
+ * dmadev vchan identifier.
+ *
+ * @return
+ * - 0: Success, dmadev vchan deleted successfully.
+ * - <0: Error code returned by the driver function.
+ *
+ */
+typedef int (*eventdev_dma_adapter_vchan_del_t)(const struct rte_eventdev *dev,
+ const int16_t dma_dev_id,
+ uint16_t vchan_id);
+
+/**
+ * Start DMA adapter. This callback is invoked if
+ * the caps returned from rte_event_dma_adapter_caps_get(.., dmadev_id)
+ * has RTE_EVENT_DMA_ADAPTER_CAP_INTERNAL_PORT_* set and vchan for dmadev_id
+ * have been added to the event device.
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @param dma_dev_id
+ * DMA device identifier
+ *
+ * @return
+ * - 0: Success, DMA adapter started successfully.
+ * - <0: Error code returned by the driver function.
+ */
+typedef int (*eventdev_dma_adapter_start_t)(const struct rte_eventdev *dev,
+ const int16_t dma_dev_id);
+
+/**
+ * Stop DMA adapter. This callback is invoked if
+ * the caps returned from rte_event_dma_adapter_caps_get(.., dmadev_id)
+ * has RTE_EVENT_DMA_ADAPTER_CAP_INTERNAL_PORT_* set and vchan for dmadev_id
+ * have been added to the event device.
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @param dma_dev_id
+ * DMA device identifier
+ *
+ * @return
+ * - 0: Success, DMA adapter stopped successfully.
+ * - <0: Error code returned by the driver function.
+ */
+typedef int (*eventdev_dma_adapter_stop_t)(const struct rte_eventdev *dev,
+ const int16_t dma_dev_id);
+
+struct rte_event_dma_adapter_stats;
+
+/**
+ * Retrieve DMA adapter statistics.
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @param dma_dev_id
+ * DMA device identifier
+ *
+ * @param[out] stats
+ * Pointer to stats structure
+ *
+ * @return
+ * Return 0 on success.
+ */
+typedef int (*eventdev_dma_adapter_stats_get)(const struct rte_eventdev *dev,
+ const int16_t dma_dev_id,
+ struct rte_event_dma_adapter_stats *stats);
+
+/**
+ * Reset DMA adapter statistics.
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @param dma_dev_id
+ * DMA device identifier
+ *
+ * @return
+ * Return 0 on success.
+ */
+typedef int (*eventdev_dma_adapter_stats_reset)(const struct rte_eventdev *dev,
+ const int16_t dma_dev_id);
+
+
/** Event device operations function pointer table */
struct eventdev_ops {
eventdev_info_get_t dev_infos_get; /**< Get device info. */
@@ -1440,6 +1594,21 @@ struct eventdev_ops {
eventdev_eth_tx_adapter_queue_stop eth_tx_adapter_queue_stop;
/**< Stop Tx queue assigned to Tx adapter instance */
+ eventdev_dma_adapter_caps_get_t dma_adapter_caps_get;
+ /**< Get DMA adapter capabilities */
+ eventdev_dma_adapter_vchan_add_t dma_adapter_vchan_add;
+ /**< Add vchan queue to DMA adapter */
+ eventdev_dma_adapter_vchan_del_t dma_adapter_vchan_del;
+ /**< Delete vchan queue from DMA adapter */
+ eventdev_dma_adapter_start_t dma_adapter_start;
+ /**< Start DMA adapter */
+ eventdev_dma_adapter_stop_t dma_adapter_stop;
+ /**< Stop DMA adapter */
+ eventdev_dma_adapter_stats_get dma_adapter_stats_get;
+ /**< Get DMA stats */
+ eventdev_dma_adapter_stats_reset dma_adapter_stats_reset;
+ /**< Reset DMA stats */
+
eventdev_selftest dev_selftest;
/**< Start eventdev Selftest */
diff --git a/lib/eventdev/eventdev_private.c b/lib/eventdev/eventdev_private.c
index 1d3d9d357e..18ed8bf3c8 100644
--- a/lib/eventdev/eventdev_private.c
+++ b/lib/eventdev/eventdev_private.c
@@ -81,6 +81,14 @@ dummy_event_crypto_adapter_enqueue(__rte_unused void *port,
return 0;
}
+static uint16_t
+dummy_event_dma_adapter_enqueue(__rte_unused void *port, __rte_unused struct rte_event ev[],
+ __rte_unused uint16_t nb_events)
+{
+ RTE_EDEV_LOG_ERR("event DMA adapter enqueue requested for unconfigured event device");
+ return 0;
+}
+
void
event_dev_fp_ops_reset(struct rte_event_fp_ops *fp_op)
{
@@ -97,6 +105,7 @@ event_dev_fp_ops_reset(struct rte_event_fp_ops *fp_op)
.txa_enqueue_same_dest =
dummy_event_tx_adapter_enqueue_same_dest,
.ca_enqueue = dummy_event_crypto_adapter_enqueue,
+ .dma_enqueue = dummy_event_dma_adapter_enqueue,
.data = dummy_data,
};
@@ -117,5 +126,6 @@ event_dev_fp_ops_set(struct rte_event_fp_ops *fp_op,
fp_op->txa_enqueue = dev->txa_enqueue;
fp_op->txa_enqueue_same_dest = dev->txa_enqueue_same_dest;
fp_op->ca_enqueue = dev->ca_enqueue;
+ fp_op->dma_enqueue = dev->dma_enqueue;
fp_op->data = dev->data->ports;
}
diff --git a/lib/eventdev/meson.build b/lib/eventdev/meson.build
index 6edf98dfa5..21347f7c4c 100644
--- a/lib/eventdev/meson.build
+++ b/lib/eventdev/meson.build
@@ -25,6 +25,7 @@ sources = files(
)
headers = files(
'rte_event_crypto_adapter.h',
+ 'rte_event_dma_adapter.h',
'rte_event_eth_rx_adapter.h',
'rte_event_eth_tx_adapter.h',
'rte_event_ring.h',
diff --git a/lib/eventdev/rte_event_dma_adapter.h b/lib/eventdev/rte_event_dma_adapter.h
new file mode 100644
index 0000000000..e924ab673d
--- /dev/null
+++ b/lib/eventdev/rte_event_dma_adapter.h
@@ -0,0 +1,581 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright (c) 2023 Marvell.
+ */
+
+#ifndef RTE_EVENT_DMA_ADAPTER
+#define RTE_EVENT_DMA_ADAPTER
+
+/**
+ * @file rte_event_dma_adapter.h
+ *
+ * @warning
+ * @b EXPERIMENTAL:
+ * All functions in this file may be changed or removed without prior notice.
+ *
+ * DMA Event Adapter API.
+ *
+ * Eventdev library provides adapters to bridge between various components for providing new
+ * event source. The event DMA adapter is one of those adapters which is intended to bridge
+ * between event devices and DMA devices.
+ *
+ * The DMA adapter adds support to enqueue / dequeue DMA operations to / from event device. The
+ * packet flow between DMA device and the event device can be accomplished using both SW and HW
+ * based transfer mechanisms. The adapter uses an EAL service core function for SW based packet
+ * transfer and uses the eventdev PMD functions to configure HW based packet transfer between the
+ * DMA device and the event device.
+ *
+ * The application can choose to submit a DMA operation directly to an DMA device or send it to the
+ * DMA adapter via eventdev based on RTE_EVENT_DMA_ADAPTER_CAP_INTERNAL_PORT_OP_FWD capability. The
+ * first mode is known as the event new (RTE_EVENT_DMA_ADAPTER_OP_NEW) mode and the second as the
+ * event forward (RTE_EVENT_DMA_ADAPTER_OP_FORWARD) mode. The choice of mode can be specified while
+ * creating the adapter. In the former mode, it is an application responsibility to enable ingress
+ * packet ordering. In the latter mode, it is the adapter responsibility to enable the ingress
+ * packet ordering.
+ *
+ *
+ * Working model of RTE_EVENT_DMA_ADAPTER_OP_NEW mode:
+ *
+ * +--------------+ +--------------+
+ * | | | DMA stage |
+ * | Application |---[2]-->| + enqueue to |
+ * | | | dmadev |
+ * +--------------+ +--------------+
+ * ^ ^ |
+ * | | [3]
+ * [6] [1] |
+ * | | |
+ * +--------------+ |
+ * | | |
+ * | Event device | |
+ * | | |
+ * +--------------+ |
+ * ^ |
+ * | |
+ * [5] |
+ * | v
+ * +--------------+ +--------------+
+ * | | | |
+ * | DMA adapter |<--[4]---| dmadev |
+ * | | | |
+ * +--------------+ +--------------+
+ *
+ *
+ * [1] Application dequeues events from the previous stage.
+ * [2] Application prepares the DMA operations.
+ * [3] DMA operations are submitted to dmadev by application.
+ * [4] DMA adapter dequeues DMA completions from dmadev.
+ * [5] DMA adapter enqueues events to the eventdev.
+ * [6] Application dequeues from eventdev for further processing.
+ *
+ * In the RTE_EVENT_DMA_ADAPTER_OP_NEW mode, application submits DMA operations directly to DMA
+ * device. The DMA adapter then dequeues DMA completions from DMA device and enqueue events to the
+ * event device. This mode does not ensure ingress ordering, if the application directly enqueues
+ * to dmadev without going through DMA / atomic stage i.e. removing item [1] and [2].
+ *
+ * Events dequeued from the adapter will be treated as new events. In this mode, application needs
+ * to specify event information (response information) which is needed to enqueue an event after the
+ * DMA operation is completed.
+ *
+ *
+ * Working model of RTE_EVENT_DMA_ADAPTER_OP_FORWARD mode:
+ *
+ * +--------------+ +--------------+
+ * --[1]-->| |---[2]-->| Application |
+ * | Event device | | in |
+ * <--[8]--| |<--[3]---| Ordered stage|
+ * +--------------+ +--------------+
+ * ^ |
+ * | [4]
+ * [7] |
+ * | v
+ * +----------------+ +--------------+
+ * | |--[5]->| |
+ * | DMA adapter | | dmadev |
+ * | |<-[6]--| |
+ * +----------------+ +--------------+
+ *
+ *
+ * [1] Events from the previous stage.
+ * [2] Application in ordered stage dequeues events from eventdev.
+ * [3] Application enqueues DMA operations as events to eventdev.
+ * [4] DMA adapter dequeues event from eventdev.
+ * [5] DMA adapter submits DMA operations to dmadev (Atomic stage).
+ * [6] DMA adapter dequeues DMA completions from dmadev
+ * [7] DMA adapter enqueues events to the eventdev
+ * [8] Events to the next stage
+ *
+ * In the event forward (RTE_EVENT_DMA_ADAPTER_OP_FORWARD) mode, if the HW supports the capability
+ * RTE_EVENT_DMA_ADAPTER_CAP_INTERNAL_PORT_OP_FWD, application can directly submit the DMA
+ * operations to the dmadev. If not, application retrieves the event port of the DMA adapter
+ * through the API, rte_event_DMA_adapter_event_port_get(). Then, links its event queue to this
+ * port and starts enqueuing DMA operations as events to the eventdev. The adapter then dequeues
+ * the events and submits the DMA operations to the dmadev. After the DMA completions, the adapter
+ * enqueues events to the event device.
+ *
+ * Application can use this mode, when ingress packet ordering is needed. Events dequeued from the
+ * adapter will be treated as forwarded events. In this mode, the application needs to specify the
+ * dmadev ID and queue pair ID (request information) needed to enqueue an DMA operation in addition
+ * to the event information (response information) needed to enqueue an event after the DMA
+ * operation has completed.
+ *
+ * The event DMA adapter provides common APIs to configure the packet flow from the DMA device to
+ * event devices for both SW and HW based transfers. The DMA event adapter's functions are:
+ *
+ * - rte_event_dma_adapter_create_ext()
+ * - rte_event_dma_adapter_create()
+ * - rte_event_dma_adapter_free()
+ * - rte_event_dma_adapter_vchan_add()
+ * - rte_event_dma_adapter_vchan_del()
+ * - rte_event_dma_adapter_start()
+ * - rte_event_dma_adapter_stop()
+ * - rte_event_dma_adapter_stats_get()
+ * - rte_event_dma_adapter_stats_reset()
+ *
+ * The application creates an instance using rte_event_dma_adapter_create() or
+ * rte_event_dma_adapter_create_ext().
+ *
+ * dmadev queue pair addition / deletion is done using the rte_event_dma_adapter_vchan_add() /
+ * rte_event_dma_adapter_vchan_del() APIs. If HW supports the capability
+ * RTE_EVENT_DMA_ADAPTER_CAP_INTERNAL_PORT_VCHAN_EV_BIND, event information must be passed to the
+ * add API.
+ *
+ */
+
+#include <stdint.h>
+
+#include <rte_common.h>
+#include <rte_dmadev_pmd.h>
+#include <rte_eventdev.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * A structure used to hold event based DMA operation entry. All the information
+ * required for a DMA transfer shall be populated in "struct rte_event_dma_adapter_op"
+ * instance.
+ */
+struct rte_event_dma_adapter_op {
+ struct rte_dma_sge *src_seg;
+ /**< Source segments. */
+ struct rte_dma_sge *dst_seg;
+ /**< Destination segments. */
+ uint16_t nb_src;
+ /**< Number of source segments. */
+ uint16_t nb_dst;
+ /**< Number of destination segments. */
+ uint64_t flags;
+ /**< Flags related to the operation.
+ * @see RTE_DMA_OP_FLAG_*
+ */
+ int16_t dma_dev_id;
+ /**< DMA device ID to be used */
+ uint16_t vchan;
+ /**< DMA vchan ID to be used */
+ struct rte_mempool *op_mp;
+ /**< Mempool from which op is allocated. */
+};
+
+/**
+ * DMA event adapter mode
+ */
+enum rte_event_dma_adapter_mode {
+ RTE_EVENT_DMA_ADAPTER_OP_NEW,
+ /**< Start the DMA adapter in event new mode.
+ * @see RTE_EVENT_OP_NEW.
+ *
+ * Application submits DMA operations to the dmadev. Adapter only dequeues the DMA
+ * completions from dmadev and enqueue events to the eventdev.
+ */
+
+ RTE_EVENT_DMA_ADAPTER_OP_FORWARD,
+ /**< Start the DMA adapter in event forward mode.
+ * @see RTE_EVENT_OP_FORWARD.
+ *
+ * Application submits DMA requests as events to the DMA adapter or DMA device based on
+ * RTE_EVENT_DMA_ADAPTER_CAP_INTERNAL_PORT_OP_FWD capability. DMA completions are enqueued
+ * back to the eventdev by DMA adapter.
+ */
+};
+
+/**
+ * Adapter configuration structure that the adapter configuration callback function is expected to
+ * fill out.
+ *
+ * @see rte_event_dma_adapter_conf_cb
+ */
+struct rte_event_dma_adapter_conf {
+ uint8_t event_port_id;
+ /** < Event port identifier, the adapter enqueues events to this port and dequeues DMA
+ * request events in RTE_EVENT_DMA_ADAPTER_OP_FORWARD mode.
+ */
+
+ uint32_t max_nb;
+ /**< The adapter can return early if it has processed at least max_nb DMA ops. This isn't
+ * treated as a requirement; batching may cause the adapter to process more than max_nb DMA
+ * ops.
+ */
+};
+
+/**
+ * Adapter runtime configuration parameters
+ */
+struct rte_event_dma_adapter_runtime_params {
+ uint32_t max_nb;
+ /**< The adapter can return early if it has processed at least max_nb DMA ops. This isn't
+ * treated as a requirement; batching may cause the adapter to process more than max_nb DMA
+ * ops.
+ *
+ * Callback function passed to rte_event_dma_adapter_create_ext() configures the adapter
+ * with default value of max_nb.
+ * rte_event_dma_adapter_runtime_params_set() allows to re-configure max_nb during runtime
+ * (after adding at least one queue pair)
+ *
+ * This is valid for the devices without RTE_EVENT_DMA_ADAPTER_CAP_INTERNAL_PORT_OP_FWD or
+ * RTE_EVENT_DMA_ADAPTER_CAP_INTERNAL_PORT_OP_NEW capability.
+ */
+
+ uint32_t rsvd[15];
+ /**< Reserved fields for future expansion */
+};
+
+/**
+ * Function type used for adapter configuration callback. The callback is used to fill in members of
+ * the struct rte_event_dma_adapter_conf, this callback is invoked when creating a SW service for
+ * packet transfer from dmadev vchan to the event device. The SW service is created within the
+ * function, rte_event_dma_adapter_vchan_add(), if SW based packet transfers from dmadev vchan
+ * to the event device are required.
+ *
+ * @param id
+ * Adapter identifier.
+ * @param evdev_id
+ * Event device identifier.
+ * @param conf
+ * Structure that needs to be populated by this callback.
+ * @param arg
+ * Argument to the callback. This is the same as the conf_arg passed to the
+ * rte_event_dma_adapter_create_ext().
+ */
+typedef int (*rte_event_dma_adapter_conf_cb)(uint8_t id, uint8_t evdev_id,
+ struct rte_event_dma_adapter_conf *conf, void *arg);
+
+/**
+ * A structure used to retrieve statistics for an event DMA adapter instance.
+ */
+struct rte_event_dma_adapter_stats {
+ uint64_t event_poll_count;
+ /**< Event port poll count */
+
+ uint64_t event_deq_count;
+ /**< Event dequeue count */
+
+ uint64_t dma_enq_count;
+ /**< dmadev enqueue count */
+
+ uint64_t dma_enq_fail_count;
+ /**< dmadev enqueue failed count */
+
+ uint64_t dma_deq_count;
+ /**< dmadev dequeue count */
+
+ uint64_t event_enq_count;
+ /**< Event enqueue count */
+
+ uint64_t event_enq_retry_count;
+ /**< Event enqueue retry count */
+
+ uint64_t event_enq_fail_count;
+ /**< Event enqueue fail count */
+};
+
+/**
+ * Create a new event DMA adapter with the specified identifier.
+ *
+ * @param id
+ * Adapter identifier.
+ * @param evdev_id
+ * Event device identifier.
+ * @param conf_cb
+ * Callback function that fills in members of a struct rte_event_dma_adapter_conf struct passed
+ * into it.
+ * @param mode
+ * Flag to indicate the mode of the adapter.
+ * @see rte_event_dma_adapter_mode
+ * @param conf_arg
+ * Argument that is passed to the conf_cb function.
+ *
+ * @return
+ * - 0: Success
+ * - <0: Error code on failure
+ */
+__rte_experimental
+int rte_event_dma_adapter_create_ext(uint8_t id, uint8_t evdev_id,
+ rte_event_dma_adapter_conf_cb conf_cb,
+ enum rte_event_dma_adapter_mode mode, void *conf_arg);
+
+/**
+ * Create a new event DMA adapter with the specified identifier. This function uses an internal
+ * configuration function that creates an event port. This default function reconfigures the event
+ * device with an additional event port and set up the event port using the port_config parameter
+ * passed into this function. In case the application needs more control in configuration of the
+ * service, it should use the rte_event_dma_adapter_create_ext() version.
+ *
+ * @param id
+ * Adapter identifier.
+ * @param evdev_id
+ * Event device identifier.
+ * @param port_config
+ * Argument of type *rte_event_port_conf* that is passed to the conf_cb function.
+ * @param mode
+ * Flag to indicate the mode of the adapter.
+ * @see rte_event_dma_adapter_mode
+ *
+ * @return
+ * - 0: Success
+ * - <0: Error code on failure
+ */
+__rte_experimental
+int rte_event_dma_adapter_create(uint8_t id, uint8_t evdev_id,
+ struct rte_event_port_conf *port_config,
+ enum rte_event_dma_adapter_mode mode);
+
+/**
+ * Free an event DMA adapter
+ *
+ * @param id
+ * Adapter identifier.
+ * @return
+ * - 0: Success
+ * - <0: Error code on failure, If the adapter still has queue pairs added to it, the function
+ * returns -EBUSY.
+ */
+__rte_experimental
+int rte_event_dma_adapter_free(uint8_t id);
+
+/**
+ * Retrieve the event port of an adapter.
+ *
+ * @param id
+ * Adapter identifier.
+ *
+ * @param [out] event_port_id
+ * Application links its event queue to this adapter port which is used in
+ * RTE_EVENT_DMA_ADAPTER_OP_FORWARD mode.
+ *
+ * @return
+ * - 0: Success
+ * - <0: Error code on failure.
+ */
+__rte_experimental
+int rte_event_dma_adapter_event_port_get(uint8_t id, uint8_t *event_port_id);
+
+/**
+ * Add a vchan to an event DMA adapter.
+ *
+ * @param id
+ * Adapter identifier.
+ * @param dmadev_id
+ * dmadev identifier.
+ * @param vchan
+ * DMA device vchan identifier. If vchan is set -1, adapter adds all the
+ * preconfigured vchan to the instance.
+ * @param event
+ * If HW supports dmadev vchan to event queue binding, application is expected to fill in
+ * event information, else it will be NULL.
+ * @see RTE_EVENT_DMA_ADAPTER_CAP_INTERNAL_PORT_VCHAN_EV_BIND
+ *
+ * @return
+ * - 0: Success, vchan added correctly.
+ * - <0: Error code on failure.
+ */
+__rte_experimental
+int rte_event_dma_adapter_vchan_add(uint8_t id, int16_t dmadev_id, uint16_t vchan,
+ const struct rte_event *event);
+
+/**
+ * Delete a vchan from an event DMA adapter.
+ *
+ * @param id
+ * Adapter identifier.
+ * @param dmadev_id
+ * DMA device identifier.
+ * @param vchan
+ * DMA device vchan identifier.
+ *
+ * @return
+ * - 0: Success, vchan deleted successfully.
+ * - <0: Error code on failure.
+ */
+__rte_experimental
+int rte_event_dma_adapter_vchan_del(uint8_t id, int16_t dmadev_id, uint16_t vchan);
+
+/**
+ * Retrieve the service ID of an adapter. If the adapter doesn't use a rte_service function, this
+ * function returns -ESRCH.
+ *
+ * @param id
+ * Adapter identifier.
+ * @param [out] service_id
+ * A pointer to a uint32_t, to be filled in with the service id.
+ *
+ * @return
+ * - 0: Success
+ * - <0: Error code on failure, if the adapter doesn't use a rte_service function, this function
+ * returns -ESRCH.
+ */
+__rte_experimental
+int rte_event_dma_adapter_service_id_get(uint8_t id, uint32_t *service_id);
+
+/**
+ * Start event DMA adapter
+ *
+ * @param id
+ * Adapter identifier.
+ *
+ * @return
+ * - 0: Success, adapter started successfully.
+ * - <0: Error code on failure.
+ *
+ * @note The eventdev and dmadev to which the event_dma_adapter is connected should be started
+ * before calling rte_event_dma_adapter_start().
+ */
+__rte_experimental
+int rte_event_dma_adapter_start(uint8_t id);
+
+/**
+ * Stop event DMA adapter
+ *
+ * @param id
+ * Adapter identifier.
+ *
+ * @return
+ * - 0: Success, adapter stopped successfully.
+ * - <0: Error code on failure.
+ */
+__rte_experimental
+int rte_event_dma_adapter_stop(uint8_t id);
+
+/**
+ * Initialize the adapter runtime configuration parameters
+ *
+ * @param params
+ * A pointer to structure of type struct rte_event_dma_adapter_runtime_params
+ *
+ * @return
+ * - 0: Success
+ * - <0: Error code on failure
+ */
+__rte_experimental
+int rte_event_dma_adapter_runtime_params_init(struct rte_event_dma_adapter_runtime_params *params);
+
+/**
+ * Set the adapter runtime configuration parameters
+ *
+ * @param id
+ * Adapter identifier
+ *
+ * @param params
+ * A pointer to structure of type struct rte_event_dma_adapter_runtime_params with configuration
+ * parameter values. The reserved fields of this structure must be initialized to zero and the valid
+ * fields need to be set appropriately. This struct can be initialized using
+ * rte_event_dma_adapter_runtime_params_init() API to default values or application may reset this
+ * struct and update required fields.
+ *
+ * @return
+ * - 0: Success
+ * - <0: Error code on failure
+ */
+__rte_experimental
+int rte_event_dma_adapter_runtime_params_set(uint8_t id,
+ struct rte_event_dma_adapter_runtime_params *params);
+
+/**
+ * Get the adapter runtime configuration parameters
+ *
+ * @param id
+ * Adapter identifier
+ *
+ * @param[out] params
+ * A pointer to structure of type struct rte_event_dma_adapter_runtime_params containing valid
+ * adapter parameters when return value is 0.
+ *
+ * @return
+ * - 0: Success
+ * - <0: Error code on failure
+ */
+__rte_experimental
+int rte_event_dma_adapter_runtime_params_get(uint8_t id,
+ struct rte_event_dma_adapter_runtime_params *params);
+
+/**
+ * Retrieve statistics for an adapter
+ *
+ * @param id
+ * Adapter identifier.
+ * @param [out] stats
+ * A pointer to structure used to retrieve statistics for an adapter.
+ *
+ * @return
+ * - 0: Success, retrieved successfully.
+ * - <0: Error code on failure.
+ */
+__rte_experimental
+int rte_event_dma_adapter_stats_get(uint8_t id, struct rte_event_dma_adapter_stats *stats);
+
+/**
+ * Reset statistics for an adapter.
+ *
+ * @param id
+ * Adapter identifier.
+ *
+ * @return
+ * - 0: Success, statistics reset successfully.
+ * - <0: Error code on failure.
+ */
+__rte_experimental
+int rte_event_dma_adapter_stats_reset(uint8_t id);
+
+/**
+ * Enqueue a burst of DMA operations as event objects supplied in *rte_event* structure on an event
+ * DMA adapter designated by its event *evdev_id* through the event port specified by *port_id*.
+ * This function is supported if the eventdev PMD has the
+ * #RTE_EVENT_DMA_ADAPTER_CAP_INTERNAL_PORT_OP_FWD capability flag set.
+ *
+ * The *nb_events* parameter is the number of event objects to enqueue that are supplied in the
+ * *ev* array of *rte_event* structure.
+ *
+ * The rte_event_dma_adapter_enqueue() function returns the number of event objects it actually
+ * enqueued. A return value equal to *nb_events* means that all event objects have been enqueued.
+ *
+ * @param evdev_id
+ * The identifier of the device.
+ * @param port_id
+ * The identifier of the event port.
+ * @param ev
+ * Points to an array of *nb_events* objects of type *rte_event* structure which contain the
+ * event object enqueue operations to be processed.
+ * @param nb_events
+ * The number of event objects to enqueue, typically number of
+ * rte_event_port_attr_get(...RTE_EVENT_PORT_ATTR_ENQ_DEPTH...) available for this port.
+ *
+ * @return
+ * The number of event objects actually enqueued on the event device. The return value can be
+ * less than the value of the *nb_events* parameter when the event devices queue is full or if
+ * invalid parameters are specified in a *rte_event*. If the return value is less than *nb_events*,
+ * the remaining events at the end of ev[] are not consumed and the caller has to take care of them,
+ * and rte_errno is set accordingly. Possible errno values include:
+ * - EINVAL: The port ID is invalid, device ID is invalid, an event's queue ID is invalid, or an
+ * event's sched type doesn't match the capabilities of the destination queue.
+ * - ENOSPC: The event port was backpressured and unable to enqueue one or more events. This
+ * error code is only applicable to closed systems.
+ */
+__rte_experimental
+uint16_t rte_event_dma_adapter_enqueue(uint8_t evdev_id, uint8_t port_id, struct rte_event ev[],
+ uint16_t nb_events);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* RTE_EVENT_DMA_ADAPTER */
diff --git a/lib/eventdev/rte_eventdev.h b/lib/eventdev/rte_eventdev.h
index 2ba8a7b090..41743f91b1 100644
--- a/lib/eventdev/rte_eventdev.h
+++ b/lib/eventdev/rte_eventdev.h
@@ -1197,6 +1197,8 @@ struct rte_event_vector {
*/
#define RTE_EVENT_TYPE_ETH_RX_ADAPTER 0x4
/**< The event generated from event eth Rx adapter */
+#define RTE_EVENT_TYPE_DMADEV 0x5
+/**< The event generated from dma subsystem */
#define RTE_EVENT_TYPE_VECTOR 0x8
/**< Indicates that event is a vector.
* All vector event types should be a logical OR of EVENT_TYPE_VECTOR.
@@ -1462,6 +1464,48 @@ int
rte_event_crypto_adapter_caps_get(uint8_t dev_id, uint8_t cdev_id,
uint32_t *caps);
+/* DMA adapter capability bitmap flag */
+#define RTE_EVENT_DMA_ADAPTER_CAP_INTERNAL_PORT_OP_NEW 0x1
+/**< Flag indicates HW is capable of generating events in
+ * RTE_EVENT_OP_NEW enqueue operation. DMADEV will send
+ * packets to the event device as new events using an
+ * internal event port.
+ */
+
+#define RTE_EVENT_DMA_ADAPTER_CAP_INTERNAL_PORT_OP_FWD 0x2
+/**< Flag indicates HW is capable of generating events in
+ * RTE_EVENT_OP_FORWARD enqueue operation. DMADEV will send
+ * packets to the event device as forwarded event using an
+ * internal event port.
+ */
+
+#define RTE_EVENT_DMA_ADAPTER_CAP_INTERNAL_PORT_VCHAN_EV_BIND 0x4
+/**< Flag indicates HW is capable of mapping DMA vchan to event queue. */
+
+/**
+ * Retrieve the event device's DMA adapter capabilities for the
+ * specified dmadev device
+ *
+ * @param dev_id
+ * The identifier of the device.
+ *
+ * @param dmadev_id
+ * The identifier of the dmadev device.
+ *
+ * @param[out] caps
+ * A pointer to memory filled with event adapter capabilities.
+ * It is expected to be pre-allocated & initialized by caller.
+ *
+ * @return
+ * - 0: Success, driver provides event adapter capabilities for the
+ * dmadev device.
+ * - <0: Error code returned by the driver function.
+ *
+ */
+__rte_experimental
+int
+rte_event_dma_adapter_caps_get(uint8_t dev_id, uint8_t dmadev_id, uint32_t *caps);
+
/* Ethdev Tx adapter capability bitmap flags */
#define RTE_EVENT_ETH_TX_ADAPTER_CAP_INTERNAL_PORT 0x1
/**< This flag is sent when the PMD supports a packet transmit callback
diff --git a/lib/eventdev/rte_eventdev_core.h b/lib/eventdev/rte_eventdev_core.h
index c27a52ccc0..83e8736c71 100644
--- a/lib/eventdev/rte_eventdev_core.h
+++ b/lib/eventdev/rte_eventdev_core.h
@@ -42,6 +42,10 @@ typedef uint16_t (*event_crypto_adapter_enqueue_t)(void *port,
uint16_t nb_events);
/**< @internal Enqueue burst of events on crypto adapter */
+typedef uint16_t (*event_dma_adapter_enqueue_t)(void *port, struct rte_event ev[],
+ uint16_t nb_events);
+/**< @internal Enqueue burst of events on DMA adapter */
+
struct rte_event_fp_ops {
void **data;
/**< points to array of internal port data pointers */
@@ -65,7 +69,9 @@ struct rte_event_fp_ops {
/**< PMD Tx adapter enqueue same destination function. */
event_crypto_adapter_enqueue_t ca_enqueue;
/**< PMD Crypto adapter enqueue function. */
- uintptr_t reserved[5];
+ event_dma_adapter_enqueue_t dma_enqueue;
+ /**< PMD DMA adapter enqueue function. */
+ uintptr_t reserved[4];
} __rte_cache_aligned;
extern struct rte_event_fp_ops rte_event_fp_ops[RTE_EVENT_MAX_DEVS];
diff --git a/lib/eventdev/version.map b/lib/eventdev/version.map
index 7ce09a87bb..b81eb2919c 100644
--- a/lib/eventdev/version.map
+++ b/lib/eventdev/version.map
@@ -133,6 +133,22 @@ EXPERIMENTAL {
rte_event_timer_remaining_ticks_get;
# added in 23.11
+ rte_event_dma_adapter_caps_get;
+ rte_event_dma_adapter_create;
+ rte_event_dma_adapter_create_ext;
+ rte_event_dma_adapter_enqueue;
+ rte_event_dma_adapter_event_port_get;
+ rte_event_dma_adapter_free;
+ rte_event_dma_adapter_runtime_params_get;
+ rte_event_dma_adapter_runtime_params_init;
+ rte_event_dma_adapter_runtime_params_set;
+ rte_event_dma_adapter_service_id_get;
+ rte_event_dma_adapter_start;
+ rte_event_dma_adapter_stats_get;
+ rte_event_dma_adapter_stats_reset;
+ rte_event_dma_adapter_stop;
+ rte_event_dma_adapter_vchan_add;
+ rte_event_dma_adapter_vchan_del;
rte_event_eth_rx_adapter_create_ext_with_params;
};
diff --git a/lib/meson.build b/lib/meson.build
index 53155be8e9..f3191f10b6 100644
--- a/lib/meson.build
+++ b/lib/meson.build
@@ -33,6 +33,7 @@ libraries = [
'compressdev',
'cryptodev',
'distributor',
+ 'dmadev',
'efd',
'eventdev',
'gpudev',
@@ -48,7 +49,6 @@ libraries = [
'rawdev',
'regexdev',
'mldev',
- 'dmadev',
'rib',
'reorder',
'sched',
--
2.25.1
next prev parent reply other threads:[~2023-09-28 10:36 UTC|newest]
Thread overview: 110+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-19 13:42 [PATCH v1 1/7] eventdev: introduce DMA event adapter library Amit Prakash Shukla
2023-09-19 13:42 ` [PATCH v1 2/7] eventdev: api to get DMA capabilities Amit Prakash Shukla
2023-09-19 13:42 ` [PATCH v1 3/7] eventdev: add DMA adapter implementation Amit Prakash Shukla
2023-09-19 13:42 ` [PATCH v1 4/7] app/test: add event DMA adapter auto-test Amit Prakash Shukla
2023-09-19 13:42 ` [PATCH v1 5/7] common/cnxk: dma result to an offset of the event Amit Prakash Shukla
2023-09-19 13:42 ` [PATCH v1 6/7] dma/cnxk: support for DMA event enqueue dequeue Amit Prakash Shukla
2023-09-19 13:42 ` [PATCH v1 7/7] event/cnxk: support DMA event functions Amit Prakash Shukla
2023-09-21 2:41 ` [PATCH v1 1/7] eventdev: introduce DMA event adapter library Jerin Jacob
2023-09-21 6:42 ` [EXT] " Amit Prakash Shukla
2023-09-22 20:13 ` [PATCH v2 00/12] event DMA adapter library support Amit Prakash Shukla
2023-09-22 20:13 ` [PATCH v2 01/12] eventdev: introduce event DMA adapter library Amit Prakash Shukla
2023-09-22 20:13 ` [PATCH v2 02/12] eventdev: api to get DMA adapter capabilities Amit Prakash Shukla
2023-09-22 20:13 ` [PATCH v2 03/12] eventdev: add DMA adapter API to create and free Amit Prakash Shukla
2023-09-22 20:13 ` [PATCH v2 04/12] eventdev: api support for vchan add and delete Amit Prakash Shukla
2023-09-22 20:13 ` [PATCH v2 05/12] eventdev: add support for service function Amit Prakash Shukla
2023-09-22 20:13 ` [PATCH v2 06/12] eventdev: api support for DMA adapter start stop Amit Prakash Shukla
2023-09-22 20:13 ` [PATCH v2 07/12] eventdev: api support to get DMA adapter service ID Amit Prakash Shukla
2023-09-22 20:13 ` [PATCH v2 08/12] eventdev: add DMA adapter support for runtime params Amit Prakash Shukla
2023-09-22 20:13 ` [PATCH v2 09/12] eventdev: add support for DMA adapter stats Amit Prakash Shukla
2023-09-22 20:13 ` [PATCH v2 10/12] eventdev: add support for DMA adapter enqueue Amit Prakash Shukla
2023-09-22 20:13 ` [PATCH v2 11/12] eventdev: add DMA adapter port get Amit Prakash Shukla
2023-09-22 20:13 ` [PATCH v2 12/12] app/test: add event DMA adapter auto-test Amit Prakash Shukla
2023-09-23 13:34 ` [PATCH v3 00/12] event DMA adapter library support Amit Prakash Shukla
2023-09-23 13:34 ` [PATCH v3 01/12] eventdev: introduce event DMA adapter library Amit Prakash Shukla
2023-09-23 13:34 ` [PATCH v3 02/12] eventdev: api to get DMA adapter capabilities Amit Prakash Shukla
2023-09-23 13:34 ` [PATCH v3 03/12] eventdev: create and free API for DMA adapter Amit Prakash Shukla
2023-09-23 13:34 ` [PATCH v3 04/12] eventdev: add API support for vchan add and delete Amit Prakash Shukla
2023-09-23 13:34 ` [PATCH v3 05/12] eventdev: add support for DMA adapter service function Amit Prakash Shukla
2023-09-23 13:34 ` [PATCH v3 06/12] eventdev: add support for DMA adapter start and stop Amit Prakash Shukla
2023-09-23 13:34 ` [PATCH v3 07/12] eventdev: add support for DMA adapter service ID get Amit Prakash Shukla
2023-09-23 13:34 ` [PATCH v3 08/12] eventdev: add DMA adapter support for runtime params Amit Prakash Shukla
2023-09-23 13:34 ` [PATCH v3 09/12] eventdev: add support for DMA adapter stats Amit Prakash Shukla
2023-09-23 13:34 ` [PATCH v3 10/12] eventdev: add support for DMA adapter enqueue Amit Prakash Shukla
2023-09-23 13:34 ` [PATCH v3 11/12] eventdev: add DMA adapter event port get Amit Prakash Shukla
2023-09-23 13:34 ` [PATCH v3 12/12] app/test: add event DMA adapter auto-test Amit Prakash Shukla
2023-09-26 10:32 ` [PATCH v4 00/12] event DMA adapter library support Amit Prakash Shukla
2023-09-26 10:32 ` [PATCH v4 01/12] eventdev: introduce event DMA adapter library Amit Prakash Shukla
2023-09-27 18:12 ` Jerin Jacob
2023-09-27 20:45 ` Thomas Monjalon
2023-09-28 4:04 ` Jerin Jacob
2023-09-26 10:32 ` [PATCH v4 02/12] eventdev: api to get DMA adapter capabilities Amit Prakash Shukla
2023-09-27 18:20 ` Jerin Jacob
2023-09-26 10:32 ` [PATCH v4 03/12] eventdev: create and free API for DMA adapter Amit Prakash Shukla
2023-09-27 18:23 ` Jerin Jacob
2023-09-26 10:32 ` [PATCH v4 04/12] eventdev: add API support for vchan add and delete Amit Prakash Shukla
2023-09-26 10:32 ` [PATCH v4 05/12] eventdev: add support for DMA adapter service function Amit Prakash Shukla
2023-09-26 10:32 ` [PATCH v4 06/12] eventdev: add support for DMA adapter start and stop Amit Prakash Shukla
2023-09-26 10:32 ` [PATCH v4 07/12] eventdev: add support for DMA adapter service ID get Amit Prakash Shukla
2023-09-26 10:32 ` [PATCH v4 08/12] eventdev: add DMA adapter support for runtime params Amit Prakash Shukla
2023-09-26 10:32 ` [PATCH v4 09/12] eventdev: add support for DMA adapter stats Amit Prakash Shukla
2023-09-26 10:32 ` [PATCH v4 10/12] eventdev: add support for DMA adapter enqueue Amit Prakash Shukla
2023-09-26 10:32 ` [PATCH v4 11/12] eventdev: add DMA adapter event port get Amit Prakash Shukla
2023-09-26 10:32 ` [PATCH v4 12/12] app/test: add event DMA adapter auto-test Amit Prakash Shukla
2023-09-27 18:27 ` Jerin Jacob
2023-09-28 10:36 ` [PATCH v5 00/12] event DMA adapter library support Amit Prakash Shukla
2023-09-28 10:36 ` Amit Prakash Shukla [this message]
2023-09-28 15:33 ` [PATCH v5 01/12] eventdev/dma: introduce DMA adapter Jerin Jacob
2023-09-28 10:36 ` [PATCH v5 02/12] eventdev/dma: support adapter capabilities get Amit Prakash Shukla
2023-09-28 10:36 ` [PATCH v5 03/12] eventdev/dma: support adapter create and free Amit Prakash Shukla
2023-09-28 10:36 ` [PATCH v5 04/12] eventdev/dma: support for vchan add and delete Amit Prakash Shukla
2023-09-28 10:36 ` [PATCH v5 05/12] eventdev/dma: support for adapter service function Amit Prakash Shukla
2023-09-28 10:36 ` [PATCH v5 06/12] eventdev/dma: support for adapter start and stop Amit Prakash Shukla
2023-09-28 10:36 ` [PATCH v5 07/12] eventdev/dma: support for adapter service ID get Amit Prakash Shukla
2023-09-28 10:36 ` [PATCH v5 08/12] eventdev/dma: support adapter runtime params Amit Prakash Shukla
2023-09-28 10:36 ` [PATCH v5 09/12] eventdev/dma: support for adapter stats Amit Prakash Shukla
2023-09-28 10:36 ` [PATCH v5 10/12] eventdev/dma: support for adapter enqueue Amit Prakash Shukla
2023-09-28 10:36 ` [PATCH v5 11/12] eventdev/dma: support for adapter event port get Amit Prakash Shukla
2023-09-28 10:36 ` [PATCH v5 12/12] app/test: add event DMA adapter auto-test Amit Prakash Shukla
2023-09-29 7:20 ` Jerin Jacob
2023-09-28 16:49 ` [PATCH v6 00/12] event DMA adapter library support Amit Prakash Shukla
2023-09-28 16:49 ` [PATCH v6 01/12] eventdev/dma: introduce DMA adapter Amit Prakash Shukla
2023-09-28 16:49 ` [PATCH v6 02/12] eventdev/dma: support adapter capabilities get Amit Prakash Shukla
2023-09-28 16:49 ` [PATCH v6 03/12] eventdev/dma: support adapter create and free Amit Prakash Shukla
2023-09-28 16:49 ` [PATCH v6 04/12] eventdev/dma: support vchan add and delete Amit Prakash Shukla
2023-09-28 16:49 ` [PATCH v6 05/12] eventdev/dma: support adapter service function Amit Prakash Shukla
2023-09-28 16:49 ` [PATCH v6 06/12] eventdev/dma: support adapter start and stop Amit Prakash Shukla
2023-09-28 16:49 ` [PATCH v6 07/12] eventdev/dma: support adapter service ID get Amit Prakash Shukla
2023-09-28 16:49 ` [PATCH v6 08/12] eventdev/dma: support adapter runtime params Amit Prakash Shukla
2023-09-28 16:49 ` [PATCH v6 09/12] eventdev/dma: support adapter stats Amit Prakash Shukla
2023-09-28 16:49 ` [PATCH v6 10/12] eventdev/dma: support adapter enqueue Amit Prakash Shukla
2023-09-28 16:49 ` [PATCH v6 11/12] eventdev/dma: support adapter event port get Amit Prakash Shukla
2023-09-28 16:49 ` [PATCH v6 12/12] app/test: add event DMA adapter auto-test Amit Prakash Shukla
2023-09-29 8:12 ` [PATCH v7 00/12] event DMA adapter library support Amit Prakash Shukla
2023-09-29 8:12 ` [PATCH v7 01/12] eventdev/dma: introduce DMA adapter Amit Prakash Shukla
2023-09-29 8:12 ` [PATCH v7 02/12] eventdev/dma: support adapter capabilities get Amit Prakash Shukla
2023-09-29 8:13 ` [PATCH v7 03/12] eventdev/dma: support adapter create and free Amit Prakash Shukla
2023-09-29 8:13 ` [PATCH v7 04/12] eventdev/dma: support vchan add and delete Amit Prakash Shukla
2023-09-29 8:13 ` [PATCH v7 05/12] eventdev/dma: support adapter service function Amit Prakash Shukla
2023-09-29 8:13 ` [PATCH v7 06/12] eventdev/dma: support adapter start and stop Amit Prakash Shukla
2023-09-29 8:13 ` [PATCH v7 07/12] eventdev/dma: support adapter service ID get Amit Prakash Shukla
2023-09-29 8:13 ` [PATCH v7 08/12] eventdev/dma: support adapter runtime params Amit Prakash Shukla
2023-09-29 8:13 ` [PATCH v7 09/12] eventdev/dma: support adapter stats Amit Prakash Shukla
2023-09-29 8:13 ` [PATCH v7 10/12] eventdev/dma: support adapter enqueue Amit Prakash Shukla
2023-09-29 8:13 ` [PATCH v7 11/12] eventdev/dma: support adapter event port get Amit Prakash Shukla
2023-09-29 8:13 ` [PATCH v7 12/12] app/test: add event DMA adapter auto-test Amit Prakash Shukla
2023-09-29 11:50 ` [PATCH v8 00/12] event DMA adapter library support Amit Prakash Shukla
2023-09-29 11:50 ` [PATCH v8 01/12] eventdev/dma: introduce DMA adapter Amit Prakash Shukla
2023-09-29 11:50 ` [PATCH v8 02/12] eventdev/dma: support adapter capabilities get Amit Prakash Shukla
2023-09-29 11:50 ` [PATCH v8 03/12] eventdev/dma: support adapter create and free Amit Prakash Shukla
2023-09-29 11:50 ` [PATCH v8 04/12] eventdev/dma: support vchan add and delete Amit Prakash Shukla
2023-09-29 11:50 ` [PATCH v8 05/12] eventdev/dma: support adapter service function Amit Prakash Shukla
2023-09-29 11:50 ` [PATCH v8 06/12] eventdev/dma: support adapter start and stop Amit Prakash Shukla
2023-09-29 11:50 ` [PATCH v8 07/12] eventdev/dma: support adapter service ID get Amit Prakash Shukla
2023-09-29 11:50 ` [PATCH v8 08/12] eventdev/dma: support adapter runtime params Amit Prakash Shukla
2023-09-29 11:50 ` [PATCH v8 09/12] eventdev/dma: support adapter stats Amit Prakash Shukla
2023-09-29 11:50 ` [PATCH v8 10/12] eventdev/dma: support adapter enqueue Amit Prakash Shukla
2023-09-29 11:50 ` [PATCH v8 11/12] eventdev/dma: support adapter event port get Amit Prakash Shukla
2023-09-29 11:50 ` [PATCH v8 12/12] app/test: add event DMA adapter auto-test Amit Prakash Shukla
2023-10-03 5:13 ` [PATCH v8 00/12] event DMA adapter library support Jerin Jacob
2023-09-26 5:06 ` [PATCH v2 " Jerin Jacob
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