/*
*
- * Copyright(c) 2016 Cavium networks. All rights reserved.
+ * Copyright(c) 2016 Cavium, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* 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
+ * * Neither the name of Cavium, Inc nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
#include <string.h>
+#include <rte_common.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 */
/** 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);
+
/** 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. */
};
+/**
+ * Allocates a new eventdev slot for an event device and returns the pointer
+ * to that slot for the driver to use.
+ *
+ * @param name
+ * Unique identifier name for each device
+ * @param socket_id
+ * Socket to allocate resources on.
+ * @return
+ * - Slot in the rte_dev_devices array for a new device;
+ */
+struct rte_eventdev *
+rte_event_pmd_allocate(const char *name, int socket_id);
+
+/**
+ * Release the specified eventdev device.
+ *
+ * @param eventdev
+ * The *eventdev* pointer is the address of the *rte_eventdev* structure.
+ * @return
+ * - 0 on success, negative on error
+ */
+int
+rte_event_pmd_release(struct rte_eventdev *eventdev);
+
#ifdef __cplusplus
}
#endif
git.droids-corp.org / dpdk.git / blobdiff