--- /dev/null
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2017 Intel Corporation
+ */
+
+#include <stdint.h>
+#include <string.h>
+#include <stdbool.h>
+
+#include <rte_compat.h>
+#include <rte_common.h>
+#include <rte_errno.h>
+#include <rte_log.h>
+#include <rte_debug.h>
+#include <rte_eal.h>
+#include <rte_malloc.h>
+#include <rte_mempool.h>
+#include <rte_memzone.h>
+#include <rte_lcore.h>
+#include <rte_dev.h>
+#include <rte_spinlock.h>
+#include <rte_tailq.h>
+#include <rte_interrupts.h>
+
+#include "rte_bbdev_op.h"
+#include "rte_bbdev.h"
+#include "rte_bbdev_pmd.h"
+
+#define DEV_NAME "BBDEV"
+
+
+/* BBDev library logging ID */
+static int bbdev_logtype;
+
+/* Helper macro for logging */
+#define rte_bbdev_log(level, fmt, ...) \
+ rte_log(RTE_LOG_ ## level, bbdev_logtype, fmt "\n", ##__VA_ARGS__)
+
+#define rte_bbdev_log_debug(fmt, ...) \
+ rte_bbdev_log(DEBUG, RTE_STR(__LINE__) ":%s() " fmt, __func__, \
+ ##__VA_ARGS__)
+
+/* Helper macro to check dev_id is valid */
+#define VALID_DEV_OR_RET_ERR(dev, dev_id) do { \
+ if (dev == NULL) { \
+ rte_bbdev_log(ERR, "device %u is invalid", dev_id); \
+ return -ENODEV; \
+ } \
+} while (0)
+
+/* Helper macro to check dev_ops is valid */
+#define VALID_DEV_OPS_OR_RET_ERR(dev, dev_id) do { \
+ if (dev->dev_ops == NULL) { \
+ rte_bbdev_log(ERR, "NULL dev_ops structure in device %u", \
+ dev_id); \
+ return -ENODEV; \
+ } \
+} while (0)
+
+/* Helper macro to check that driver implements required function pointer */
+#define VALID_FUNC_OR_RET_ERR(func, dev_id) do { \
+ if (func == NULL) { \
+ rte_bbdev_log(ERR, "device %u does not support %s", \
+ dev_id, #func); \
+ return -ENOTSUP; \
+ } \
+} while (0)
+
+/* Helper macro to check that queue is valid */
+#define VALID_QUEUE_OR_RET_ERR(queue_id, dev) do { \
+ if (queue_id >= dev->data->num_queues) { \
+ rte_bbdev_log(ERR, "Invalid queue_id %u for device %u", \
+ queue_id, dev->data->dev_id); \
+ return -ERANGE; \
+ } \
+} while (0)
+
+/* List of callback functions registered by an application */
+struct rte_bbdev_callback {
+ TAILQ_ENTRY(rte_bbdev_callback) next; /* Callbacks list */
+ rte_bbdev_cb_fn cb_fn; /* Callback address */
+ void *cb_arg; /* Parameter for callback */
+ void *ret_param; /* Return parameter */
+ enum rte_bbdev_event_type event; /* Interrupt event type */
+ uint32_t active; /* Callback is executing */
+};
+
+/* spinlock for bbdev device callbacks */
+static rte_spinlock_t rte_bbdev_cb_lock = RTE_SPINLOCK_INITIALIZER;
+
+/*
+ * Global array of all devices. This is not static because it's used by the
+ * inline enqueue and dequeue functions
+ */
+struct rte_bbdev rte_bbdev_devices[RTE_BBDEV_MAX_DEVS];
+
+/* Global array with rte_bbdev_data structures */
+static struct rte_bbdev_data *rte_bbdev_data;
+
+/* Memzone name for global bbdev data pool */
+static const char *MZ_RTE_BBDEV_DATA = "rte_bbdev_data";
+
+/* Number of currently valid devices */
+static uint16_t num_devs;
+
+/* Return pointer to device structure, with validity check */
+static struct rte_bbdev *
+get_dev(uint16_t dev_id)
+{
+ if (rte_bbdev_is_valid(dev_id))
+ return &rte_bbdev_devices[dev_id];
+ return NULL;
+}
+
+/* Allocate global data array */
+static int
+rte_bbdev_data_alloc(void)
+{
+ const unsigned int flags = 0;
+ const struct rte_memzone *mz;
+
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+ mz = rte_memzone_reserve(MZ_RTE_BBDEV_DATA,
+ RTE_BBDEV_MAX_DEVS * sizeof(*rte_bbdev_data),
+ rte_socket_id(), flags);
+ } else
+ mz = rte_memzone_lookup(MZ_RTE_BBDEV_DATA);
+ if (mz == NULL) {
+ rte_bbdev_log(CRIT,
+ "Cannot allocate memzone for bbdev port data");
+ return -ENOMEM;
+ }
+
+ rte_bbdev_data = mz->addr;
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY)
+ memset(rte_bbdev_data, 0,
+ RTE_BBDEV_MAX_DEVS * sizeof(*rte_bbdev_data));
+ return 0;
+}
+
+/*
+ * Find data alocated for the device or if not found return first unused bbdev
+ * data. If all structures are in use and none is used by the device return
+ * NULL.
+ */
+static struct rte_bbdev_data *
+find_bbdev_data(const char *name)
+{
+ uint16_t data_id;
+
+ for (data_id = 0; data_id < RTE_BBDEV_MAX_DEVS; ++data_id) {
+ if (strlen(rte_bbdev_data[data_id].name) == 0) {
+ memset(&rte_bbdev_data[data_id], 0,
+ sizeof(struct rte_bbdev_data));
+ return &rte_bbdev_data[data_id];
+ } else if (strncmp(rte_bbdev_data[data_id].name, name,
+ RTE_BBDEV_NAME_MAX_LEN) == 0)
+ return &rte_bbdev_data[data_id];
+ }
+
+ return NULL;
+}
+
+/* Find lowest device id with no attached device */
+static uint16_t
+find_free_dev_id(void)
+{
+ uint16_t i;
+ for (i = 0; i < RTE_BBDEV_MAX_DEVS; i++) {
+ if (rte_bbdev_devices[i].state == RTE_BBDEV_UNUSED)
+ return i;
+ }
+ return RTE_BBDEV_MAX_DEVS;
+}
+
+struct rte_bbdev * __rte_experimental
+rte_bbdev_allocate(const char *name)
+{
+ int ret;
+ struct rte_bbdev *bbdev;
+ uint16_t dev_id;
+
+ if (name == NULL) {
+ rte_bbdev_log(ERR, "Invalid null device name");
+ return NULL;
+ }
+
+ if (rte_bbdev_get_named_dev(name) != NULL) {
+ rte_bbdev_log(ERR, "Device \"%s\" is already allocated", name);
+ return NULL;
+ }
+
+ dev_id = find_free_dev_id();
+ if (dev_id == RTE_BBDEV_MAX_DEVS) {
+ rte_bbdev_log(ERR, "Reached maximum number of devices");
+ return NULL;
+ }
+
+ bbdev = &rte_bbdev_devices[dev_id];
+
+ if (rte_bbdev_data == NULL) {
+ ret = rte_bbdev_data_alloc();
+ if (ret != 0)
+ return NULL;
+ }
+
+ bbdev->data = find_bbdev_data(name);
+ if (bbdev->data == NULL) {
+ rte_bbdev_log(ERR,
+ "Max BBDevs already allocated in multi-process environment!");
+ return NULL;
+ }
+
+ rte_atomic16_inc(&bbdev->data->process_cnt);
+ bbdev->data->dev_id = dev_id;
+ bbdev->state = RTE_BBDEV_INITIALIZED;
+
+ ret = snprintf(bbdev->data->name, RTE_BBDEV_NAME_MAX_LEN, "%s", name);
+ if ((ret < 0) || (ret >= RTE_BBDEV_NAME_MAX_LEN)) {
+ rte_bbdev_log(ERR, "Copying device name \"%s\" failed", name);
+ return NULL;
+ }
+
+ /* init user callbacks */
+ TAILQ_INIT(&(bbdev->list_cbs));
+
+ num_devs++;
+
+ rte_bbdev_log_debug("Initialised device %s (id = %u). Num devices = %u",
+ name, dev_id, num_devs);
+
+ return bbdev;
+}
+
+int __rte_experimental
+rte_bbdev_release(struct rte_bbdev *bbdev)
+{
+ uint16_t dev_id;
+ struct rte_bbdev_callback *cb, *next;
+
+ if (bbdev == NULL) {
+ rte_bbdev_log(ERR, "NULL bbdev");
+ return -ENODEV;
+ }
+ dev_id = bbdev->data->dev_id;
+
+ /* free all callbacks from the device's list */
+ for (cb = TAILQ_FIRST(&bbdev->list_cbs); cb != NULL; cb = next) {
+
+ next = TAILQ_NEXT(cb, next);
+ TAILQ_REMOVE(&(bbdev->list_cbs), cb, next);
+ rte_free(cb);
+ }
+
+ /* clear shared BBDev Data if no process is using the device anymore */
+ if (rte_atomic16_dec_and_test(&bbdev->data->process_cnt))
+ memset(bbdev->data, 0, sizeof(*bbdev->data));
+
+ memset(bbdev, 0, sizeof(*bbdev));
+ num_devs--;
+ bbdev->state = RTE_BBDEV_UNUSED;
+
+ rte_bbdev_log_debug(
+ "Un-initialised device id = %u. Num devices = %u",
+ dev_id, num_devs);
+ return 0;
+}
+
+struct rte_bbdev * __rte_experimental
+rte_bbdev_get_named_dev(const char *name)
+{
+ unsigned int i;
+
+ if (name == NULL) {
+ rte_bbdev_log(ERR, "NULL driver name");
+ return NULL;
+ }
+
+ for (i = 0; i < RTE_BBDEV_MAX_DEVS; i++) {
+ struct rte_bbdev *dev = get_dev(i);
+ if (dev && (strncmp(dev->data->name,
+ name, RTE_BBDEV_NAME_MAX_LEN) == 0))
+ return dev;
+ }
+
+ return NULL;
+}
+
+uint16_t __rte_experimental
+rte_bbdev_count(void)
+{
+ return num_devs;
+}
+
+bool __rte_experimental
+rte_bbdev_is_valid(uint16_t dev_id)
+{
+ if ((dev_id < RTE_BBDEV_MAX_DEVS) &&
+ rte_bbdev_devices[dev_id].state == RTE_BBDEV_INITIALIZED)
+ return true;
+ return false;
+}
+
+uint16_t __rte_experimental
+rte_bbdev_find_next(uint16_t dev_id)
+{
+ dev_id++;
+ for (; dev_id < RTE_BBDEV_MAX_DEVS; dev_id++)
+ if (rte_bbdev_is_valid(dev_id))
+ break;
+ return dev_id;
+}
+
+int __rte_experimental
+rte_bbdev_setup_queues(uint16_t dev_id, uint16_t num_queues, int socket_id)
+{
+ unsigned int i;
+ int ret;
+ struct rte_bbdev_driver_info dev_info;
+ struct rte_bbdev *dev = get_dev(dev_id);
+ VALID_DEV_OR_RET_ERR(dev, dev_id);
+
+ VALID_DEV_OPS_OR_RET_ERR(dev, dev_id);
+
+ if (dev->data->started) {
+ rte_bbdev_log(ERR,
+ "Device %u cannot be configured when started",
+ dev_id);
+ return -EBUSY;
+ }
+
+ /* Get device driver information to get max number of queues */
+ VALID_FUNC_OR_RET_ERR(dev->dev_ops->info_get, dev_id);
+ memset(&dev_info, 0, sizeof(dev_info));
+ dev->dev_ops->info_get(dev, &dev_info);
+
+ if ((num_queues == 0) || (num_queues > dev_info.max_num_queues)) {
+ rte_bbdev_log(ERR,
+ "Device %u supports 0 < N <= %u queues, not %u",
+ dev_id, dev_info.max_num_queues, num_queues);
+ return -EINVAL;
+ }
+
+ /* If re-configuration, get driver to free existing internal memory */
+ if (dev->data->queues != NULL) {
+ VALID_FUNC_OR_RET_ERR(dev->dev_ops->queue_release, dev_id);
+ for (i = 0; i < dev->data->num_queues; i++) {
+ int ret = dev->dev_ops->queue_release(dev, i);
+ if (ret < 0) {
+ rte_bbdev_log(ERR,
+ "Device %u queue %u release failed",
+ dev_id, i);
+ return ret;
+ }
+ }
+ /* Call optional device close */
+ if (dev->dev_ops->close) {
+ ret = dev->dev_ops->close(dev);
+ if (ret < 0) {
+ rte_bbdev_log(ERR,
+ "Device %u couldn't be closed",
+ dev_id);
+ return ret;
+ }
+ }
+ rte_free(dev->data->queues);
+ }
+
+ /* Allocate queue pointers */
+ dev->data->queues = rte_calloc_socket(DEV_NAME, num_queues,
+ sizeof(dev->data->queues[0]), RTE_CACHE_LINE_SIZE,
+ dev->data->socket_id);
+ if (dev->data->queues == NULL) {
+ rte_bbdev_log(ERR,
+ "calloc of %u queues for device %u on socket %i failed",
+ num_queues, dev_id, dev->data->socket_id);
+ return -ENOMEM;
+ }
+
+ dev->data->num_queues = num_queues;
+
+ /* Call optional device configuration */
+ if (dev->dev_ops->setup_queues) {
+ ret = dev->dev_ops->setup_queues(dev, num_queues, socket_id);
+ if (ret < 0) {
+ rte_bbdev_log(ERR,
+ "Device %u memory configuration failed",
+ dev_id);
+ goto error;
+ }
+ }
+
+ rte_bbdev_log_debug("Device %u set up with %u queues", dev_id,
+ num_queues);
+ return 0;
+
+error:
+ dev->data->num_queues = 0;
+ rte_free(dev->data->queues);
+ dev->data->queues = NULL;
+ return ret;
+}
+
+int __rte_experimental
+rte_bbdev_intr_enable(uint16_t dev_id)
+{
+ int ret;
+ struct rte_bbdev *dev = get_dev(dev_id);
+ VALID_DEV_OR_RET_ERR(dev, dev_id);
+
+ VALID_DEV_OPS_OR_RET_ERR(dev, dev_id);
+
+ if (dev->data->started) {
+ rte_bbdev_log(ERR,
+ "Device %u cannot be configured when started",
+ dev_id);
+ return -EBUSY;
+ }
+
+ if (dev->dev_ops->intr_enable) {
+ ret = dev->dev_ops->intr_enable(dev);
+ if (ret < 0) {
+ rte_bbdev_log(ERR,
+ "Device %u interrupts configuration failed",
+ dev_id);
+ return ret;
+ }
+ rte_bbdev_log_debug("Enabled interrupts for dev %u", dev_id);
+ return 0;
+ }
+
+ rte_bbdev_log(ERR, "Device %u doesn't support interrupts", dev_id);
+ return -ENOTSUP;
+}
+
+int __rte_experimental
+rte_bbdev_queue_configure(uint16_t dev_id, uint16_t queue_id,
+ const struct rte_bbdev_queue_conf *conf)
+{
+ int ret = 0;
+ struct rte_bbdev_driver_info dev_info;
+ struct rte_bbdev *dev = get_dev(dev_id);
+ const struct rte_bbdev_op_cap *p;
+ struct rte_bbdev_queue_conf *stored_conf;
+ const char *op_type_str;
+ VALID_DEV_OR_RET_ERR(dev, dev_id);
+
+ VALID_DEV_OPS_OR_RET_ERR(dev, dev_id);
+
+ VALID_QUEUE_OR_RET_ERR(queue_id, dev);
+
+ if (dev->data->queues[queue_id].started || dev->data->started) {
+ rte_bbdev_log(ERR,
+ "Queue %u of device %u cannot be configured when started",
+ queue_id, dev_id);
+ return -EBUSY;
+ }
+
+ VALID_FUNC_OR_RET_ERR(dev->dev_ops->queue_release, dev_id);
+ VALID_FUNC_OR_RET_ERR(dev->dev_ops->queue_setup, dev_id);
+
+ /* Get device driver information to verify config is valid */
+ VALID_FUNC_OR_RET_ERR(dev->dev_ops->info_get, dev_id);
+ memset(&dev_info, 0, sizeof(dev_info));
+ dev->dev_ops->info_get(dev, &dev_info);
+
+ /* Check configuration is valid */
+ if (conf != NULL) {
+ if ((conf->op_type == RTE_BBDEV_OP_NONE) &&
+ (dev_info.capabilities[0].type ==
+ RTE_BBDEV_OP_NONE)) {
+ ret = 1;
+ } else {
+ for (p = dev_info.capabilities;
+ p->type != RTE_BBDEV_OP_NONE; p++) {
+ if (conf->op_type == p->type) {
+ ret = 1;
+ break;
+ }
+ }
+ }
+ if (ret == 0) {
+ rte_bbdev_log(ERR, "Invalid operation type");
+ return -EINVAL;
+ }
+ if (conf->queue_size > dev_info.queue_size_lim) {
+ rte_bbdev_log(ERR,
+ "Size (%u) of queue %u of device %u must be: <= %u",
+ conf->queue_size, queue_id, dev_id,
+ dev_info.queue_size_lim);
+ return -EINVAL;
+ }
+ if (!rte_is_power_of_2(conf->queue_size)) {
+ rte_bbdev_log(ERR,
+ "Size (%u) of queue %u of device %u must be a power of 2",
+ conf->queue_size, queue_id, dev_id);
+ return -EINVAL;
+ }
+ if (conf->priority > dev_info.max_queue_priority) {
+ rte_bbdev_log(ERR,
+ "Priority (%u) of queue %u of bdev %u must be <= %u",
+ conf->priority, queue_id, dev_id,
+ dev_info.max_queue_priority);
+ return -EINVAL;
+ }
+ }
+
+ /* Release existing queue (in case of queue reconfiguration) */
+ if (dev->data->queues[queue_id].queue_private != NULL) {
+ ret = dev->dev_ops->queue_release(dev, queue_id);
+ if (ret < 0) {
+ rte_bbdev_log(ERR, "Device %u queue %u release failed",
+ dev_id, queue_id);
+ return ret;
+ }
+ }
+
+ /* Get driver to setup the queue */
+ ret = dev->dev_ops->queue_setup(dev, queue_id, (conf != NULL) ?
+ conf : &dev_info.default_queue_conf);
+ if (ret < 0) {
+ rte_bbdev_log(ERR,
+ "Device %u queue %u setup failed", dev_id,
+ queue_id);
+ return ret;
+ }
+
+ /* Store configuration */
+ stored_conf = &dev->data->queues[queue_id].conf;
+ memcpy(stored_conf,
+ (conf != NULL) ? conf : &dev_info.default_queue_conf,
+ sizeof(*stored_conf));
+
+ op_type_str = rte_bbdev_op_type_str(stored_conf->op_type);
+ if (op_type_str == NULL)
+ return -EINVAL;
+
+ rte_bbdev_log_debug("Configured dev%uq%u (size=%u, type=%s, prio=%u)",
+ dev_id, queue_id, stored_conf->queue_size, op_type_str,
+ stored_conf->priority);
+
+ return 0;
+}
+
+int __rte_experimental
+rte_bbdev_start(uint16_t dev_id)
+{
+ int i;
+ struct rte_bbdev *dev = get_dev(dev_id);
+ VALID_DEV_OR_RET_ERR(dev, dev_id);
+
+ VALID_DEV_OPS_OR_RET_ERR(dev, dev_id);
+
+ if (dev->data->started) {
+ rte_bbdev_log_debug("Device %u is already started", dev_id);
+ return 0;
+ }
+
+ if (dev->dev_ops->start) {
+ int ret = dev->dev_ops->start(dev);
+ if (ret < 0) {
+ rte_bbdev_log(ERR, "Device %u start failed", dev_id);
+ return ret;
+ }
+ }
+
+ /* Store new state */
+ for (i = 0; i < dev->data->num_queues; i++)
+ if (!dev->data->queues[i].conf.deferred_start)
+ dev->data->queues[i].started = true;
+ dev->data->started = true;
+
+ rte_bbdev_log_debug("Started device %u", dev_id);
+ return 0;
+}
+
+int __rte_experimental
+rte_bbdev_stop(uint16_t dev_id)
+{
+ struct rte_bbdev *dev = get_dev(dev_id);
+ VALID_DEV_OR_RET_ERR(dev, dev_id);
+
+ VALID_DEV_OPS_OR_RET_ERR(dev, dev_id);
+
+ if (!dev->data->started) {
+ rte_bbdev_log_debug("Device %u is already stopped", dev_id);
+ return 0;
+ }
+
+ if (dev->dev_ops->stop)
+ dev->dev_ops->stop(dev);
+ dev->data->started = false;
+
+ rte_bbdev_log_debug("Stopped device %u", dev_id);
+ return 0;
+}
+
+int __rte_experimental
+rte_bbdev_close(uint16_t dev_id)
+{
+ int ret;
+ uint16_t i;
+ struct rte_bbdev *dev = get_dev(dev_id);
+ VALID_DEV_OR_RET_ERR(dev, dev_id);
+
+ VALID_DEV_OPS_OR_RET_ERR(dev, dev_id);
+
+ if (dev->data->started) {
+ ret = rte_bbdev_stop(dev_id);
+ if (ret < 0) {
+ rte_bbdev_log(ERR, "Device %u stop failed", dev_id);
+ return ret;
+ }
+ }
+
+ /* Free memory used by queues */
+ for (i = 0; i < dev->data->num_queues; i++) {
+ ret = dev->dev_ops->queue_release(dev, i);
+ if (ret < 0) {
+ rte_bbdev_log(ERR, "Device %u queue %u release failed",
+ dev_id, i);
+ return ret;
+ }
+ }
+ rte_free(dev->data->queues);
+
+ if (dev->dev_ops->close) {
+ ret = dev->dev_ops->close(dev);
+ if (ret < 0) {
+ rte_bbdev_log(ERR, "Device %u close failed", dev_id);
+ return ret;
+ }
+ }
+
+ /* Clear configuration */
+ dev->data->queues = NULL;
+ dev->data->num_queues = 0;
+
+ rte_bbdev_log_debug("Closed device %u", dev_id);
+ return 0;
+}
+
+int __rte_experimental
+rte_bbdev_queue_start(uint16_t dev_id, uint16_t queue_id)
+{
+ struct rte_bbdev *dev = get_dev(dev_id);
+ VALID_DEV_OR_RET_ERR(dev, dev_id);
+
+ VALID_DEV_OPS_OR_RET_ERR(dev, dev_id);
+
+ VALID_QUEUE_OR_RET_ERR(queue_id, dev);
+
+ if (dev->data->queues[queue_id].started) {
+ rte_bbdev_log_debug("Queue %u of device %u already started",
+ queue_id, dev_id);
+ return 0;
+ }
+
+ if (dev->dev_ops->queue_start) {
+ int ret = dev->dev_ops->queue_start(dev, queue_id);
+ if (ret < 0) {
+ rte_bbdev_log(ERR, "Device %u queue %u start failed",
+ dev_id, queue_id);
+ return ret;
+ }
+ }
+ dev->data->queues[queue_id].started = true;
+
+ rte_bbdev_log_debug("Started queue %u of device %u", queue_id, dev_id);
+ return 0;
+}
+
+int __rte_experimental
+rte_bbdev_queue_stop(uint16_t dev_id, uint16_t queue_id)
+{
+ struct rte_bbdev *dev = get_dev(dev_id);
+ VALID_DEV_OR_RET_ERR(dev, dev_id);
+
+ VALID_DEV_OPS_OR_RET_ERR(dev, dev_id);
+
+ VALID_QUEUE_OR_RET_ERR(queue_id, dev);
+
+ if (!dev->data->queues[queue_id].started) {
+ rte_bbdev_log_debug("Queue %u of device %u already stopped",
+ queue_id, dev_id);
+ return 0;
+ }
+
+ if (dev->dev_ops->queue_stop) {
+ int ret = dev->dev_ops->queue_stop(dev, queue_id);
+ if (ret < 0) {
+ rte_bbdev_log(ERR, "Device %u queue %u stop failed",
+ dev_id, queue_id);
+ return ret;
+ }
+ }
+ dev->data->queues[queue_id].started = false;
+
+ rte_bbdev_log_debug("Stopped queue %u of device %u", queue_id, dev_id);
+ return 0;
+}
+
+/* Get device statistics */
+static void
+get_stats_from_queues(struct rte_bbdev *dev, struct rte_bbdev_stats *stats)
+{
+ unsigned int q_id;
+ for (q_id = 0; q_id < dev->data->num_queues; q_id++) {
+ struct rte_bbdev_stats *q_stats =
+ &dev->data->queues[q_id].queue_stats;
+
+ stats->enqueued_count += q_stats->enqueued_count;
+ stats->dequeued_count += q_stats->dequeued_count;
+ stats->enqueue_err_count += q_stats->enqueue_err_count;
+ stats->dequeue_err_count += q_stats->dequeue_err_count;
+ }
+ rte_bbdev_log_debug("Got stats on %u", dev->data->dev_id);
+}
+
+static void
+reset_stats_in_queues(struct rte_bbdev *dev)
+{
+ unsigned int q_id;
+ for (q_id = 0; q_id < dev->data->num_queues; q_id++) {
+ struct rte_bbdev_stats *q_stats =
+ &dev->data->queues[q_id].queue_stats;
+
+ memset(q_stats, 0, sizeof(*q_stats));
+ }
+ rte_bbdev_log_debug("Reset stats on %u", dev->data->dev_id);
+}
+
+int __rte_experimental
+rte_bbdev_stats_get(uint16_t dev_id, struct rte_bbdev_stats *stats)
+{
+ struct rte_bbdev *dev = get_dev(dev_id);
+ VALID_DEV_OR_RET_ERR(dev, dev_id);
+
+ VALID_DEV_OPS_OR_RET_ERR(dev, dev_id);
+
+ if (stats == NULL) {
+ rte_bbdev_log(ERR, "NULL stats structure");
+ return -EINVAL;
+ }
+
+ memset(stats, 0, sizeof(*stats));
+ if (dev->dev_ops->stats_get != NULL)
+ dev->dev_ops->stats_get(dev, stats);
+ else
+ get_stats_from_queues(dev, stats);
+
+ rte_bbdev_log_debug("Retrieved stats of device %u", dev_id);
+ return 0;
+}
+
+int __rte_experimental
+rte_bbdev_stats_reset(uint16_t dev_id)
+{
+ struct rte_bbdev *dev = get_dev(dev_id);
+ VALID_DEV_OR_RET_ERR(dev, dev_id);
+
+ VALID_DEV_OPS_OR_RET_ERR(dev, dev_id);
+
+ if (dev->dev_ops->stats_reset != NULL)
+ dev->dev_ops->stats_reset(dev);
+ else
+ reset_stats_in_queues(dev);
+
+ rte_bbdev_log_debug("Reset stats of device %u", dev_id);
+ return 0;
+}
+
+int __rte_experimental
+rte_bbdev_info_get(uint16_t dev_id, struct rte_bbdev_info *dev_info)
+{
+ struct rte_bbdev *dev = get_dev(dev_id);
+ VALID_DEV_OR_RET_ERR(dev, dev_id);
+
+ VALID_FUNC_OR_RET_ERR(dev->dev_ops->info_get, dev_id);
+
+ if (dev_info == NULL) {
+ rte_bbdev_log(ERR, "NULL dev info structure");
+ return -EINVAL;
+ }
+
+ /* Copy data maintained by device interface layer */
+ memset(dev_info, 0, sizeof(*dev_info));
+ dev_info->dev_name = dev->data->name;
+ dev_info->num_queues = dev->data->num_queues;
+ dev_info->bus = rte_bus_find_by_device(dev->device);
+ dev_info->socket_id = dev->data->socket_id;
+ dev_info->started = dev->data->started;
+
+ /* Copy data maintained by device driver layer */
+ dev->dev_ops->info_get(dev, &dev_info->drv);
+
+ rte_bbdev_log_debug("Retrieved info of device %u", dev_id);
+ return 0;
+}
+
+int __rte_experimental
+rte_bbdev_queue_info_get(uint16_t dev_id, uint16_t queue_id,
+ struct rte_bbdev_queue_info *queue_info)
+{
+ struct rte_bbdev *dev = get_dev(dev_id);
+ VALID_DEV_OR_RET_ERR(dev, dev_id);
+
+ VALID_QUEUE_OR_RET_ERR(queue_id, dev);
+
+ if (queue_info == NULL) {
+ rte_bbdev_log(ERR, "NULL queue info structure");
+ return -EINVAL;
+ }
+
+ /* Copy data to output */
+ memset(queue_info, 0, sizeof(*queue_info));
+ queue_info->conf = dev->data->queues[queue_id].conf;
+ queue_info->started = dev->data->queues[queue_id].started;
+
+ rte_bbdev_log_debug("Retrieved info of queue %u of device %u",
+ queue_id, dev_id);
+ return 0;
+}
+
+/* Calculate size needed to store bbdev_op, depending on type */
+static unsigned int
+get_bbdev_op_size(enum rte_bbdev_op_type type)
+{
+ unsigned int result = 0;
+ switch (type) {
+ case RTE_BBDEV_OP_NONE:
+ result = RTE_MAX(sizeof(struct rte_bbdev_dec_op),
+ sizeof(struct rte_bbdev_enc_op));
+ break;
+ case RTE_BBDEV_OP_TURBO_DEC:
+ result = sizeof(struct rte_bbdev_dec_op);
+ break;
+ case RTE_BBDEV_OP_TURBO_ENC:
+ result = sizeof(struct rte_bbdev_enc_op);
+ break;
+ default:
+ break;
+ }
+
+ return result;
+}
+
+/* Initialise a bbdev_op structure */
+static void
+bbdev_op_init(struct rte_mempool *mempool, void *arg, void *element,
+ __rte_unused unsigned int n)
+{
+ enum rte_bbdev_op_type type = *(enum rte_bbdev_op_type *)arg;
+
+ if (type == RTE_BBDEV_OP_TURBO_DEC) {
+ struct rte_bbdev_dec_op *op = element;
+ memset(op, 0, mempool->elt_size);
+ op->mempool = mempool;
+ } else if (type == RTE_BBDEV_OP_TURBO_ENC) {
+ struct rte_bbdev_enc_op *op = element;
+ memset(op, 0, mempool->elt_size);
+ op->mempool = mempool;
+ }
+}
+
+struct rte_mempool * __rte_experimental
+rte_bbdev_op_pool_create(const char *name, enum rte_bbdev_op_type type,
+ unsigned int num_elements, unsigned int cache_size,
+ int socket_id)
+{
+ struct rte_bbdev_op_pool_private *priv;
+ struct rte_mempool *mp;
+ const char *op_type_str;
+
+ if (name == NULL) {
+ rte_bbdev_log(ERR, "NULL name for op pool");
+ return NULL;
+ }
+
+ if (type >= RTE_BBDEV_OP_TYPE_COUNT) {
+ rte_bbdev_log(ERR,
+ "Invalid op type (%u), should be less than %u",
+ type, RTE_BBDEV_OP_TYPE_COUNT);
+ return NULL;
+ }
+
+ mp = rte_mempool_create(name, num_elements, get_bbdev_op_size(type),
+ cache_size, sizeof(struct rte_bbdev_op_pool_private),
+ NULL, NULL, bbdev_op_init, &type, socket_id, 0);
+ if (mp == NULL) {
+ rte_bbdev_log(ERR,
+ "Failed to create op pool %s (num ops=%u, op size=%u) with error: %s",
+ name, num_elements, get_bbdev_op_size(type),
+ rte_strerror(rte_errno));
+ return NULL;
+ }
+
+ op_type_str = rte_bbdev_op_type_str(type);
+ if (op_type_str == NULL)
+ return NULL;
+
+ rte_bbdev_log_debug(
+ "Op pool %s created for %u ops (type=%s, cache=%u, socket=%u, size=%u)",
+ name, num_elements, op_type_str, cache_size, socket_id,
+ get_bbdev_op_size(type));
+
+ priv = (struct rte_bbdev_op_pool_private *)rte_mempool_get_priv(mp);
+ priv->type = type;
+
+ return mp;
+}
+
+int __rte_experimental
+rte_bbdev_callback_register(uint16_t dev_id, enum rte_bbdev_event_type event,
+ rte_bbdev_cb_fn cb_fn, void *cb_arg)
+{
+ struct rte_bbdev_callback *user_cb;
+ struct rte_bbdev *dev = get_dev(dev_id);
+ VALID_DEV_OR_RET_ERR(dev, dev_id);
+
+ if (event >= RTE_BBDEV_EVENT_MAX) {
+ rte_bbdev_log(ERR,
+ "Invalid event type (%u), should be less than %u",
+ event, RTE_BBDEV_EVENT_MAX);
+ return -EINVAL;
+ }
+
+ if (cb_fn == NULL) {
+ rte_bbdev_log(ERR, "NULL callback function");
+ return -EINVAL;
+ }
+
+ rte_spinlock_lock(&rte_bbdev_cb_lock);
+
+ TAILQ_FOREACH(user_cb, &(dev->list_cbs), next) {
+ if (user_cb->cb_fn == cb_fn &&
+ user_cb->cb_arg == cb_arg &&
+ user_cb->event == event)
+ break;
+ }
+
+ /* create a new callback. */
+ if (user_cb == NULL) {
+ user_cb = rte_zmalloc("INTR_USER_CALLBACK",
+ sizeof(struct rte_bbdev_callback), 0);
+ if (user_cb != NULL) {
+ user_cb->cb_fn = cb_fn;
+ user_cb->cb_arg = cb_arg;
+ user_cb->event = event;
+ TAILQ_INSERT_TAIL(&(dev->list_cbs), user_cb, next);
+ }
+ }
+
+ rte_spinlock_unlock(&rte_bbdev_cb_lock);
+ return (user_cb == NULL) ? -ENOMEM : 0;
+}
+
+int __rte_experimental
+rte_bbdev_callback_unregister(uint16_t dev_id, enum rte_bbdev_event_type event,
+ rte_bbdev_cb_fn cb_fn, void *cb_arg)
+{
+ int ret = 0;
+ struct rte_bbdev_callback *cb, *next;
+ struct rte_bbdev *dev = get_dev(dev_id);
+ VALID_DEV_OR_RET_ERR(dev, dev_id);
+
+ if (event >= RTE_BBDEV_EVENT_MAX) {
+ rte_bbdev_log(ERR,
+ "Invalid event type (%u), should be less than %u",
+ event, RTE_BBDEV_EVENT_MAX);
+ return -EINVAL;
+ }
+
+ if (cb_fn == NULL) {
+ rte_bbdev_log(ERR,
+ "NULL callback function cannot be unregistered");
+ return -EINVAL;
+ }
+
+ dev = &rte_bbdev_devices[dev_id];
+ rte_spinlock_lock(&rte_bbdev_cb_lock);
+
+ for (cb = TAILQ_FIRST(&dev->list_cbs); cb != NULL; cb = next) {
+
+ next = TAILQ_NEXT(cb, next);
+
+ if (cb->cb_fn != cb_fn || cb->event != event ||
+ (cb_arg != (void *)-1 && cb->cb_arg != cb_arg))
+ continue;
+
+ /* If this callback is not executing right now, remove it. */
+ if (cb->active == 0) {
+ TAILQ_REMOVE(&(dev->list_cbs), cb, next);
+ rte_free(cb);
+ } else
+ ret = -EAGAIN;
+ }
+
+ rte_spinlock_unlock(&rte_bbdev_cb_lock);
+ return ret;
+}
+
+void __rte_experimental
+rte_bbdev_pmd_callback_process(struct rte_bbdev *dev,
+ enum rte_bbdev_event_type event, void *ret_param)
+{
+ struct rte_bbdev_callback *cb_lst;
+ struct rte_bbdev_callback dev_cb;
+
+ if (dev == NULL) {
+ rte_bbdev_log(ERR, "NULL device");
+ return;
+ }
+
+ if (dev->data == NULL) {
+ rte_bbdev_log(ERR, "NULL data structure");
+ return;
+ }
+
+ if (event >= RTE_BBDEV_EVENT_MAX) {
+ rte_bbdev_log(ERR,
+ "Invalid event type (%u), should be less than %u",
+ event, RTE_BBDEV_EVENT_MAX);
+ return;
+ }
+
+ rte_spinlock_lock(&rte_bbdev_cb_lock);
+ TAILQ_FOREACH(cb_lst, &(dev->list_cbs), next) {
+ if (cb_lst->cb_fn == NULL || cb_lst->event != event)
+ continue;
+ dev_cb = *cb_lst;
+ cb_lst->active = 1;
+ if (ret_param != NULL)
+ dev_cb.ret_param = ret_param;
+
+ rte_spinlock_unlock(&rte_bbdev_cb_lock);
+ dev_cb.cb_fn(dev->data->dev_id, dev_cb.event,
+ dev_cb.cb_arg, dev_cb.ret_param);
+ rte_spinlock_lock(&rte_bbdev_cb_lock);
+ cb_lst->active = 0;
+ }
+ rte_spinlock_unlock(&rte_bbdev_cb_lock);
+}
+
+int __rte_experimental
+rte_bbdev_queue_intr_enable(uint16_t dev_id, uint16_t queue_id)
+{
+ struct rte_bbdev *dev = get_dev(dev_id);
+ VALID_DEV_OR_RET_ERR(dev, dev_id);
+ VALID_QUEUE_OR_RET_ERR(queue_id, dev);
+ VALID_DEV_OPS_OR_RET_ERR(dev, dev_id);
+ VALID_FUNC_OR_RET_ERR(dev->dev_ops->queue_intr_enable, dev_id);
+ return dev->dev_ops->queue_intr_enable(dev, queue_id);
+}
+
+int __rte_experimental
+rte_bbdev_queue_intr_disable(uint16_t dev_id, uint16_t queue_id)
+{
+ struct rte_bbdev *dev = get_dev(dev_id);
+ VALID_DEV_OR_RET_ERR(dev, dev_id);
+ VALID_QUEUE_OR_RET_ERR(queue_id, dev);
+ VALID_DEV_OPS_OR_RET_ERR(dev, dev_id);
+ VALID_FUNC_OR_RET_ERR(dev->dev_ops->queue_intr_disable, dev_id);
+ return dev->dev_ops->queue_intr_disable(dev, queue_id);
+}
+
+int __rte_experimental
+rte_bbdev_queue_intr_ctl(uint16_t dev_id, uint16_t queue_id, int epfd, int op,
+ void *data)
+{
+ uint32_t vec;
+ struct rte_bbdev *dev = get_dev(dev_id);
+ struct rte_intr_handle *intr_handle;
+ int ret;
+
+ VALID_DEV_OR_RET_ERR(dev, dev_id);
+ VALID_QUEUE_OR_RET_ERR(queue_id, dev);
+
+ intr_handle = dev->intr_handle;
+ if (!intr_handle || !intr_handle->intr_vec) {
+ rte_bbdev_log(ERR, "Device %u intr handle unset\n", dev_id);
+ return -ENOTSUP;
+ }
+
+ if (queue_id >= RTE_MAX_RXTX_INTR_VEC_ID) {
+ rte_bbdev_log(ERR, "Device %u queue_id %u is too big\n",
+ dev_id, queue_id);
+ return -ENOTSUP;
+ }
+
+ vec = intr_handle->intr_vec[queue_id];
+ ret = rte_intr_rx_ctl(intr_handle, epfd, op, vec, data);
+ if (ret && (ret != -EEXIST)) {
+ rte_bbdev_log(ERR,
+ "dev %u q %u int ctl error op %d epfd %d vec %u\n",
+ dev_id, queue_id, op, epfd, vec);
+ return ret;
+ }
+
+ return 0;
+}
+
+
+const char * __rte_experimental
+rte_bbdev_op_type_str(enum rte_bbdev_op_type op_type)
+{
+ static const char * const op_types[] = {
+ "RTE_BBDEV_OP_NONE",
+ "RTE_BBDEV_OP_TURBO_DEC",
+ "RTE_BBDEV_OP_TURBO_ENC",
+ };
+
+ if (op_type < RTE_BBDEV_OP_TYPE_COUNT)
+ return op_types[op_type];
+
+ rte_bbdev_log(ERR, "Invalid operation type");
+ return NULL;
+}
+
+RTE_INIT(rte_bbdev_init_log);
+static void
+rte_bbdev_init_log(void)
+{
+ bbdev_logtype = rte_log_register("lib.bbdev");
+ if (bbdev_logtype >= 0)
+ rte_log_set_level(bbdev_logtype, RTE_LOG_NOTICE);
+}
Code Review / deb_dpdk.git / blobdiff