-/*
- *
- * Copyright(c) 2016 Cavium networks. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Cavium networks nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016 Cavium, Inc
*/
#ifndef _RTE_EVENTDEV_PMD_H_
#include <string.h>
+#include <rte_common.h>
+#include <rte_config.h>
#include <rte_dev.h>
-#include <rte_pci.h>
-#include <rte_malloc.h>
#include <rte_log.h>
-#include <rte_common.h>
+#include <rte_malloc.h>
#include "rte_eventdev.h"
-#ifdef RTE_LIBRTE_EVENTDEV_DEBUG
-#define RTE_PMD_DEBUG_TRACE(...) \
- rte_pmd_debug_trace(__func__, __VA_ARGS__)
-#else
-#define RTE_PMD_DEBUG_TRACE(...)
-#endif
-
/* Logging Macros */
-#define RTE_EDEV_LOG_ERR(fmt, args...) \
- RTE_LOG(ERR, EVENTDEV, "%s() line %u: " fmt "\n", \
- __func__, __LINE__, ## args)
+#define RTE_EDEV_LOG_ERR(...) \
+ RTE_LOG(ERR, EVENTDEV, \
+ RTE_FMT("%s() line %u: " RTE_FMT_HEAD(__VA_ARGS__,) "\n", \
+ __func__, __LINE__, RTE_FMT_TAIL(__VA_ARGS__,)))
#ifdef RTE_LIBRTE_EVENTDEV_DEBUG
-#define RTE_EDEV_LOG_DEBUG(fmt, args...) \
- RTE_LOG(DEBUG, EVENTDEV, "%s() line %u: " fmt "\n", \
- __func__, __LINE__, ## args)
+#define RTE_EDEV_LOG_DEBUG(...) \
+ RTE_LOG(DEBUG, EVENTDEV, \
+ RTE_FMT("%s() line %u: " RTE_FMT_HEAD(__VA_ARGS__,) "\n", \
+ __func__, __LINE__, RTE_FMT_TAIL(__VA_ARGS__,)))
#else
-#define RTE_EDEV_LOG_DEBUG(fmt, args...) (void)0
+#define RTE_EDEV_LOG_DEBUG(...) (void)0
#endif
/* Macros to check for valid device */
} \
} while (0)
+#define RTE_EVENTDEV_VALID_DEVID_OR_ERRNO_RET(dev_id, errno, retval) do { \
+ if (!rte_event_pmd_is_valid_dev((dev_id))) { \
+ RTE_EDEV_LOG_ERR("Invalid dev_id=%d\n", dev_id); \
+ rte_errno = errno; \
+ return retval; \
+ } \
+} while (0)
+
#define RTE_EVENTDEV_VALID_DEVID_OR_RET(dev_id) do { \
if (!rte_event_pmd_is_valid_dev((dev_id))) { \
RTE_EDEV_LOG_ERR("Invalid dev_id=%d\n", dev_id); \
} \
} while (0)
-#define RTE_EVENTDEV_DETACHED (0)
-#define RTE_EVENTDEV_ATTACHED (1)
-
-/**
- * Initialisation function of a event driver invoked for each matching
- * event PCI device detected during the PCI probing phase.
- *
- * @param dev
- * The dev pointer is the address of the *rte_eventdev* structure associated
- * with the matching device and which has been [automatically] allocated in
- * the *rte_event_devices* array.
- *
- * @return
- * - 0: Success, the device is properly initialised by the driver.
- * In particular, the driver MUST have set up the *dev_ops* pointer
- * of the *dev* structure.
- * - <0: Error code of the device initialisation failure.
- */
-typedef int (*eventdev_init_t)(struct rte_eventdev *dev);
+#define RTE_EVENT_ETH_RX_ADAPTER_SW_CAP \
+ ((RTE_EVENT_ETH_RX_ADAPTER_CAP_OVERRIDE_FLOW_ID) | \
+ (RTE_EVENT_ETH_RX_ADAPTER_CAP_MULTI_EVENTQ))
-/**
- * Finalisation function of a driver invoked for each matching
- * PCI device detected during the PCI closing phase.
- *
- * @param dev
- * The dev pointer is the address of the *rte_eventdev* structure associated
- * with the matching device and which has been [automatically] allocated in
- * the *rte_event_devices* array.
- *
- * @return
- * - 0: Success, the device is properly finalised by the driver.
- * In particular, the driver MUST free the *dev_ops* pointer
- * of the *dev* structure.
- * - <0: Error code of the device initialisation failure.
+/**< Ethernet Rx adapter cap to return If the packet transfers from
+ * the ethdev to eventdev use a SW service function
*/
-typedef int (*eventdev_uninit_t)(struct rte_eventdev *dev);
-/**
- * The structure associated with a PMD driver.
- *
- * Each driver acts as a PCI driver and is represented by a generic
- * *event_driver* structure that holds:
- *
- * - An *rte_pci_driver* structure (which must be the first field).
- *
- * - The *eventdev_init* function invoked for each matching PCI device.
- *
- * - The size of the private data to allocate for each matching device.
- */
-struct rte_eventdev_driver {
- struct rte_pci_driver pci_drv; /**< The PMD is also a PCI driver. */
- unsigned int dev_private_size; /**< Size of device private data. */
+#define RTE_EVENTDEV_DETACHED (0)
+#define RTE_EVENTDEV_ATTACHED (1)
- eventdev_init_t eventdev_init; /**< Device init function. */
- eventdev_uninit_t eventdev_uninit; /**< Device uninit function. */
-};
+struct rte_eth_dev;
/** Global structure used for maintaining state of allocated event devices */
struct rte_eventdev_global {
uint8_t nb_devs; /**< Number of devices found */
- uint8_t max_devs; /**< Max number of devices */
};
extern struct rte_eventdev_global *rte_eventdev_globals;
if (name == NULL)
return NULL;
- for (i = 0, dev = &rte_eventdevs[i];
- i < rte_eventdev_globals->max_devs; i++) {
+ for (i = 0; i < RTE_EVENT_MAX_DEVS; i++) {
+ dev = &rte_eventdevs[i];
if ((dev->attached == RTE_EVENTDEV_ATTACHED) &&
(strcmp(dev->data->name, name) == 0))
return dev;
{
struct rte_eventdev *dev;
- if (dev_id >= rte_eventdev_globals->nb_devs)
+ if (dev_id >= RTE_EVENT_MAX_DEVS)
return 0;
dev = &rte_eventdevs[dev_id];
/**
* Link multiple source event queues to destination event port.
*
+ * @param dev
+ * Event device pointer
* @param port
* Event port pointer
* @param link
* Returns 0 on success.
*
*/
-typedef int (*eventdev_port_link_t)(void *port,
+typedef int (*eventdev_port_link_t)(struct rte_eventdev *dev, void *port,
const uint8_t queues[], const uint8_t priorities[],
uint16_t nb_links);
/**
* Unlink multiple source event queues from destination event port.
*
+ * @param dev
+ * Event device pointer
* @param port
* Event port pointer
* @param queues
* Returns 0 on success.
*
*/
-typedef int (*eventdev_port_unlink_t)(void *port,
+typedef int (*eventdev_port_unlink_t)(struct rte_eventdev *dev, void *port,
uint8_t queues[], uint16_t nb_unlinks);
/**
* @param[out] timeout_ticks
* Value for the *timeout_ticks* parameter in rte_event_dequeue() function
*
+ * @return
+ * Returns 0 on success.
+ *
*/
-typedef void (*eventdev_dequeue_timeout_ticks_t)(struct rte_eventdev *dev,
+typedef int (*eventdev_dequeue_timeout_ticks_t)(struct rte_eventdev *dev,
uint64_t ns, uint64_t *timeout_ticks);
/**
*/
typedef void (*eventdev_dump_t)(struct rte_eventdev *dev, FILE *f);
+/**
+ * Retrieve a set of statistics from device
+ *
+ * @param dev
+ * Event device pointer
+ * @param ids
+ * The stat ids to retrieve
+ * @param values
+ * The returned stat values
+ * @param n
+ * The number of id values and entries in the values array
+ * @return
+ * The number of stat values successfully filled into the values array
+ */
+typedef int (*eventdev_xstats_get_t)(const struct rte_eventdev *dev,
+ enum rte_event_dev_xstats_mode mode, uint8_t queue_port_id,
+ const unsigned int ids[], uint64_t values[], unsigned int n);
+
+/**
+ * Resets the statistic values in xstats for the device, based on mode.
+ */
+typedef int (*eventdev_xstats_reset_t)(struct rte_eventdev *dev,
+ enum rte_event_dev_xstats_mode mode,
+ int16_t queue_port_id,
+ const uint32_t ids[],
+ uint32_t nb_ids);
+
+/**
+ * Get names of extended stats of an event device
+ *
+ * @param dev
+ * Event device pointer
+ * @param xstats_names
+ * Array of name values to be filled in
+ * @param size
+ * Number of values in the xstats_names array
+ * @return
+ * When size >= the number of stats, return the number of stat values filled
+ * into the array.
+ * When size < the number of available stats, return the number of stats
+ * values, and do not fill in any data into xstats_names.
+ */
+typedef int (*eventdev_xstats_get_names_t)(const struct rte_eventdev *dev,
+ enum rte_event_dev_xstats_mode mode, uint8_t queue_port_id,
+ struct rte_event_dev_xstats_name *xstats_names,
+ unsigned int *ids, unsigned int size);
+
+/**
+ * Get value of one stats and optionally return its id
+ *
+ * @param dev
+ * Event device pointer
+ * @param name
+ * The name of the stat to retrieve
+ * @param id
+ * Pointer to an unsigned int where we store the stat-id for future reference.
+ * This pointer may be null if the id is not required.
+ * @return
+ * The value of the stat, or (uint64_t)-1 if the stat is not found.
+ * If the stat is not found, the id value will be returned as (unsigned)-1,
+ * if id pointer is non-NULL
+ */
+typedef uint64_t (*eventdev_xstats_get_by_name)(const struct rte_eventdev *dev,
+ const char *name, unsigned int *id);
+
+
+/**
+ * Retrieve the event device's ethdev Rx adapter capabilities for the
+ * specified ethernet port
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @param eth_dev
+ * Ethernet device pointer
+ *
+ * @param[out] caps
+ * A pointer to memory filled with Rx event adapter capabilities.
+ *
+ * @return
+ * - 0: Success, driver provides Rx event adapter capabilities for the
+ * ethernet device.
+ * - <0: Error code returned by the driver function.
+ *
+ */
+typedef int (*eventdev_eth_rx_adapter_caps_get_t)
+ (const struct rte_eventdev *dev,
+ const struct rte_eth_dev *eth_dev,
+ uint32_t *caps);
+
+struct rte_event_eth_rx_adapter_queue_conf *queue_conf;
+
+/**
+ * Add ethernet Rx queues to event device. This callback is invoked if
+ * the caps returned from rte_eventdev_eth_rx_adapter_caps_get(, eth_port_id)
+ * has RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT set.
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @param eth_dev
+ * Ethernet device pointer
+ *
+ * @param rx_queue_id
+ * Ethernet device receive queue index
+ *
+ * @param queue_conf
+ * Additional configuration structure
+
+ * @return
+ * - 0: Success, ethernet receive queue added successfully.
+ * - <0: Error code returned by the driver function.
+ *
+ */
+typedef int (*eventdev_eth_rx_adapter_queue_add_t)(
+ 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);
+
+/**
+ * Delete ethernet Rx queues from event device. This callback is invoked if
+ * the caps returned from eventdev_eth_rx_adapter_caps_get(, eth_port_id)
+ * has RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT set.
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @param eth_dev
+ * Ethernet device pointer
+ *
+ * @param rx_queue_id
+ * Ethernet device receive queue index
+ *
+ * @return
+ * - 0: Success, ethernet receive queue deleted successfully.
+ * - <0: Error code returned by the driver function.
+ *
+ */
+typedef int (*eventdev_eth_rx_adapter_queue_del_t)
+ (const struct rte_eventdev *dev,
+ const struct rte_eth_dev *eth_dev,
+ int32_t rx_queue_id);
+
+/**
+ * Start ethernet Rx adapter. This callback is invoked if
+ * the caps returned from eventdev_eth_rx_adapter_caps_get(.., eth_port_id)
+ * has RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT set and Rx queues
+ * from eth_port_id have been added to the event device.
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @param eth_dev
+ * Ethernet device pointer
+ *
+ * @return
+ * - 0: Success, ethernet Rx adapter started successfully.
+ * - <0: Error code returned by the driver function.
+ */
+typedef int (*eventdev_eth_rx_adapter_start_t)
+ (const struct rte_eventdev *dev,
+ const struct rte_eth_dev *eth_dev);
+
+/**
+ * Stop ethernet Rx adapter. This callback is invoked if
+ * the caps returned from eventdev_eth_rx_adapter_caps_get(..,eth_port_id)
+ * has RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT set and Rx queues
+ * from eth_port_id have been added to the event device.
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @param eth_dev
+ * Ethernet device pointer
+ *
+ * @return
+ * - 0: Success, ethernet Rx adapter stopped successfully.
+ * - <0: Error code returned by the driver function.
+ */
+typedef int (*eventdev_eth_rx_adapter_stop_t)
+ (const struct rte_eventdev *dev,
+ const struct rte_eth_dev *eth_dev);
+
+struct rte_event_eth_rx_adapter_stats *stats;
+
+/**
+ * Retrieve ethernet Rx adapter statistics.
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @param eth_dev
+ * Ethernet device pointer
+ *
+ * @param[out] stats
+ * Pointer to stats structure
+ *
+ * @return
+ * Return 0 on success.
+ */
+
+typedef int (*eventdev_eth_rx_adapter_stats_get)
+ (const struct rte_eventdev *dev,
+ const struct rte_eth_dev *eth_dev,
+ struct rte_event_eth_rx_adapter_stats *stats);
+/**
+ * Reset ethernet Rx adapter statistics.
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @param eth_dev
+ * Ethernet device pointer
+ *
+ * @return
+ * Return 0 on success.
+ */
+typedef int (*eventdev_eth_rx_adapter_stats_reset)
+ (const struct rte_eventdev *dev,
+ const struct rte_eth_dev *eth_dev);
+/**
+ * Start eventdev selftest.
+ *
+ * @return
+ * Return 0 on success.
+ */
+typedef int (*eventdev_selftest)(void);
+
/** Event device operations function pointer table */
struct rte_eventdev_ops {
eventdev_info_get_t dev_infos_get; /**< Get device info. */
/**< Converts ns to *timeout_ticks* value for rte_event_dequeue() */
eventdev_dump_t dump;
/* Dump internal information */
+
+ eventdev_xstats_get_t xstats_get;
+ /**< Get extended device statistics. */
+ eventdev_xstats_get_names_t xstats_get_names;
+ /**< Get names of extended stats. */
+ eventdev_xstats_get_by_name xstats_get_by_name;
+ /**< Get one value by name. */
+ eventdev_xstats_reset_t xstats_reset;
+ /**< Reset the statistics values in xstats. */
+
+ eventdev_eth_rx_adapter_caps_get_t eth_rx_adapter_caps_get;
+ /**< Get ethernet Rx adapter capabilities */
+ eventdev_eth_rx_adapter_queue_add_t eth_rx_adapter_queue_add;
+ /**< Add Rx queues to ethernet Rx adapter */
+ eventdev_eth_rx_adapter_queue_del_t eth_rx_adapter_queue_del;
+ /**< Delete Rx queues from ethernet Rx adapter */
+ eventdev_eth_rx_adapter_start_t eth_rx_adapter_start;
+ /**< Start ethernet Rx adapter */
+ eventdev_eth_rx_adapter_stop_t eth_rx_adapter_stop;
+ /**< Stop ethernet Rx adapter */
+ eventdev_eth_rx_adapter_stats_get eth_rx_adapter_stats_get;
+ /**< Get ethernet Rx stats */
+ eventdev_eth_rx_adapter_stats_reset eth_rx_adapter_stats_reset;
+ /**< Reset ethernet Rx stats */
+
+ eventdev_selftest dev_selftest;
+ /**< Start eventdev Selftest */
};
/**
int
rte_event_pmd_release(struct rte_eventdev *eventdev);
-/**
- * Creates a new virtual event device and returns the pointer to that device.
- *
- * @param name
- * PMD type name
- * @param dev_private_size
- * Size of event PMDs private data
- * @param socket_id
- * Socket to allocate resources on.
- *
- * @return
- * - Eventdev pointer if device is successfully created.
- * - NULL if device cannot be created.
- */
-struct rte_eventdev *
-rte_event_pmd_vdev_init(const char *name, size_t dev_private_size,
- int socket_id);
-
-
-/**
- * Wrapper for use by pci drivers as a .probe function to attach to a event
- * interface.
- */
-int rte_event_pmd_pci_probe(struct rte_pci_driver *pci_drv,
- struct rte_pci_device *pci_dev);
-
-/**
- * Wrapper for use by pci drivers as a .remove function to detach a event
- * interface.
- */
-int rte_event_pmd_pci_remove(struct rte_pci_device *pci_dev);
-
#ifdef __cplusplus
}
#endif
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