[dpdk-dev] [dpdk-dev, v1, 1/5] eventdev: add caps API and PMD callbacks for crypto adapter
Akhil Goyal
akhil.goyal at nxp.com
Tue Apr 10 12:37:24 CEST 2018
It would be good if we have a cover letter and description in the commit
message.
The patchset does not apply on eventdev subtree. Could you please rebase.
I think there is a need to add struct rte_crypto_op in the rte_event
word 1 union as you are adding crypto event. All crypto drivers would
process crypto op and not mbuf.
Also, I guess the patchset is dependent on another patchset. Please
mention that also in the cover letter.
On 4/4/2018 12:26 PM, Abhinandan Gujjar wrote:
> Signed-off-by: Abhinandan Gujjar <abhinandan.gujjar at intel.com>
> ---
> lib/librte_eventdev/rte_eventdev.c | 25 +++++
> lib/librte_eventdev/rte_eventdev.h | 35 +++++++
> lib/librte_eventdev/rte_eventdev_pmd.h | 176 +++++++++++++++++++++++++++++++++
> 3 files changed, 236 insertions(+)
>
> diff --git a/lib/librte_eventdev/rte_eventdev.c b/lib/librte_eventdev/rte_eventdev.c
> index 2de8d9a..3d24e8f 100644
> --- a/lib/librte_eventdev/rte_eventdev.c
> +++ b/lib/librte_eventdev/rte_eventdev.c
> @@ -29,6 +29,8 @@
> #include <rte_malloc.h>
> #include <rte_errno.h>
> #include <rte_ethdev.h>
> +#include <rte_cryptodev.h>
> +#include <rte_cryptodev_pmd.h>
>
> #include "rte_eventdev.h"
> #include "rte_eventdev_pmd.h"
> @@ -123,6 +125,29 @@
> : 0;
> }
>
> +int __rte_experimental
> +rte_event_crypto_adapter_caps_get(uint8_t dev_id, uint8_t cdev_id,
> + uint32_t *caps)
> +{
> + struct rte_eventdev *dev;
> + struct rte_cryptodev *cdev;
> +
> + RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
> + if (!rte_cryptodev_pmd_is_valid_dev(cdev_id))
> + return -EINVAL;
> +
> + dev = &rte_eventdevs[dev_id];
> + cdev = rte_cryptodev_pmd_get_dev(cdev_id);
> +
> + if (caps == NULL)
> + return -EINVAL;
It is expected that caps memory is initialized by the caller. This
should be mentioned in the description of the API.
> + *caps = 0;
> +
> + return dev->dev_ops->crypto_adapter_caps_get ?
> + (*dev->dev_ops->crypto_adapter_caps_get)
> + (dev, cdev, caps) : 0;
It should be -ENOTSUP instead of 0. I think same needs to be corrected
for eth rx adapter.
> +}
> +
> static inline int
> rte_event_dev_queue_config(struct rte_eventdev *dev, uint8_t nb_queues)
> {
> diff --git a/lib/librte_eventdev/rte_eventdev.h b/lib/librte_eventdev/rte_eventdev.h
> index a20077c..49a71d1 100644
> --- a/lib/librte_eventdev/rte_eventdev.h
> +++ b/lib/librte_eventdev/rte_eventdev.h
> @@ -35,6 +35,8 @@
> #ifndef _RTE_EVENTDEV_H_
> #define _RTE_EVENTDEV_H_
>
> +#include <rte_compat.h>
> +
> /**
> * @file
> *
> @@ -1142,6 +1144,39 @@ struct rte_event {
> rte_event_eth_rx_adapter_caps_get(uint8_t dev_id, uint8_t eth_port_id,
> uint32_t *caps);
>
> +
> +/* Crypto adapter capability bitmap flag */
> +#define RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT 0x1
> +/**< Flag indicates HW is capable of generating events.
> + * Cryptodev can send packets to the event device using an internal event port.
> + */
> +
> +/**
> + * @warning
> + * @b EXPERIMENTAL: this API may change without prior notice
> + *
> + * Retrieve the event device's crypto adapter capabilities for the
> + * specified cryptodev device
> + *
> + * @param dev_id
> + * The identifier of the device.
> + *
> + * @param cdev_id
> + * The identifier of the cryptodev device.
> + *
> + * @param[out] caps
> + * A pointer to memory filled with event adapter capabilities.
> + *
> + * @return
> + * - 0: Success, driver provides event adapter capabilities for the
> + * cryptodev device.
> + * - <0: Error code returned by the driver function.
> + *
> + */
> +int __rte_experimental
> +rte_event_crypto_adapter_caps_get(uint8_t dev_id, uint8_t cdev_id,
> + uint32_t *caps);
> +
> struct rte_eventdev_driver;
> struct rte_eventdev_ops;
> struct rte_eventdev;
> diff --git a/lib/librte_eventdev/rte_eventdev_pmd.h b/lib/librte_eventdev/rte_eventdev_pmd.h
> index 3a8ddd7..656d160 100644
> --- a/lib/librte_eventdev/rte_eventdev_pmd.h
> +++ b/lib/librte_eventdev/rte_eventdev_pmd.h
> @@ -585,6 +585,167 @@ typedef int (*eventdev_eth_rx_adapter_stats_reset)
> */
> typedef int (*eventdev_selftest)(void);
>
> +
> +struct rte_cryptodev;
> +/**
> + * This API may change without prior notice
> + *
> + * Retrieve the event device's crypto adapter capabilities for the
> + * specified cryptodev
> + *
> + * @param dev
> + * Event device pointer
> + *
> + * @param cdev
> + * cryptodev pointer
> + *
> + * @param[out] caps
> + * A pointer to memory filled with event adapter capabilities.
> + *
> + * @return
> + * - 0: Success, driver provides event adapter capabilities for the
> + * cryptodev.
> + * - <0: Error code returned by the driver function.
> + *
> + */
> +typedef int (*eventdev_crypto_adapter_caps_get_t)
> + (const struct rte_eventdev *dev,
> + const struct rte_cryptodev *cdev,
> + uint32_t *caps);
> +
> +/**
> + * This API may change without prior notice
> + *
> + * Add crypto queue pair to event device. This callback is invoked if
> + * the caps returned from rte_event_crypto_adapter_caps_get(, cdev_id)
> + * has RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT set.
> + *
> + * @param dev
> + * Event device pointer
> + *
> + * @param cdev
> + * cryptodev pointer
> + *
> + * @param[out] queue_pair_id
> + * cryptodev queue pair indentifier.
spell check.
> + *
> + * @return
> + * - 0: Success, cryptodev queue pair added successfully.
> + * - <0: Error code returned by the driver function.
> + *
> + */
> +typedef int (*eventdev_crypto_adapter_queue_pair_add_t)
> + (const struct rte_eventdev *dev,
> + const struct rte_cryptodev *cdev,
> + int32_t queue_pair_id);
> +
> +
> +/**
> + * This API may change without prior notice
> + *
> + * Delete crypto queue pair to event device. This callback is invoked if
> + * the caps returned from rte_event_crypto_adapter_caps_get(, cdev_id)
> + * has RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT set.
> + *
> + * @param dev
> + * Event device pointer
> + *
> + * @param cdev
> + * cryptodev pointer
> + *
> + * @param[out] queue_pair_id
> + * cryptodev queue pair indentifier.
spell check
> + *
> + * @return
> + * - 0: Success, cryptodev queue pair deleted successfully.
> + * - <0: Error code returned by the driver function.
> + *
> + */
> +typedef int (*eventdev_crypto_adapter_queue_pair_del_t)
> + (const struct rte_eventdev *dev,
> + const struct rte_cryptodev *cdev,
> + int32_t queue_pair_id);
> +
> +/**
> + * Start crypto adapter. This callback is invoked if
> + * the caps returned from rte_event_crypto_adapter_caps_get(.., cdev_id)
> + * has RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT set and queue pairs
> + * from cdev_id have been added to the event device.
> + *
> + * @param dev
> + * Event device pointer
> + *
> + * @param cdev
> + * Crypto device pointer
> + *
> + * @return
> + * - 0: Success, crypto adapter started successfully.
> + * - <0: Error code returned by the driver function.
> + */
> +typedef int (*eventdev_crypto_adapter_start_t)
> + (const struct rte_eventdev *dev,
> + const struct rte_cryptodev *cdev);
> +
> +/**
> + * Stop crypto adapter. This callback is invoked if
> + * the caps returned from rte_event_crypto_adapter_caps_get(.., cdev_id)
> + * has RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT set and queue pairs
> + * from cdev_id have been added to the event device.
> + *
> + * @param dev
> + * Event device pointer
> + *
> + * @param cdev
> + * Crypto device pointer
> + *
> + * @return
> + * - 0: Success, crypto adapter stopped successfully.
> + * - <0: Error code returned by the driver function.
> + */
> +typedef int (*eventdev_crypto_adapter_stop_t)
> + (const struct rte_eventdev *dev,
> + const struct rte_cryptodev *cdev);
> +
> +struct rte_event_crypto_adapter_stats;
> +
> +/**
> + * Retrieve crypto adapter statistics.
> + *
> + * @param dev
> + * Event device pointer
> + *
> + * @param cdev
> + * Crypto device pointer
> + *
> + * @param[out] stats
> + * Pointer to stats structure
> + *
> + * @return
> + * Return 0 on success.
> + */
> +
> +typedef int (*eventdev_crypto_adapter_stats_get)
> + (const struct rte_eventdev *dev,
> + const struct rte_cryptodev *cdev,
> + struct rte_event_crypto_adapter_stats *stats);
> +
> +/**
> + * Reset crypto adapter statistics.
> + *
> + * @param dev
> + * Event device pointer
> + *
> + * @param cdev
> + * Crypto device pointer
> + *
> + * @return
> + * Return 0 on success.
> + */
> +
> +typedef int (*eventdev_crypto_adapter_stats_reset)
> + (const struct rte_eventdev *dev,
> + const struct rte_cryptodev *cdev);
> +
> /** Event device operations function pointer table */
> struct rte_eventdev_ops {
> eventdev_info_get_t dev_infos_get; /**< Get device info. */
> @@ -640,6 +801,21 @@ struct rte_eventdev_ops {
> eventdev_eth_rx_adapter_stats_reset eth_rx_adapter_stats_reset;
> /**< Reset ethernet Rx stats */
>
> + eventdev_crypto_adapter_caps_get_t crypto_adapter_caps_get;
> + /**< Get crypto adapter capabilities */
> + eventdev_crypto_adapter_queue_pair_add_t crypto_adapter_queue_pair_add;
> + /**< Add queue pair to crypto adapter */
> + eventdev_crypto_adapter_queue_pair_del_t crypto_adapter_queue_pair_del;
> + /**< Delete queue pair from crypto adapter */
> + eventdev_crypto_adapter_start_t crypto_adapter_start;
> + /**< Start crypto adapter */
> + eventdev_crypto_adapter_stop_t crypto_adapter_stop;
> + /**< Stop crypto adapter */
> + eventdev_crypto_adapter_stats_get crypto_adapter_stats_get;
> + /**< Get crypto stats */
> + eventdev_crypto_adapter_stats_reset crypto_adapter_stats_reset;
> + /**< Reset crypto stats */
> +
> eventdev_selftest dev_selftest;
> /**< Start eventdev Selftest */
>
>
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