[dpdk-dev] [PATCH V2, 1/2] eventdev: add caps API and PMD callback for crypto adapter
Gujjar, Abhinandan S
abhinandan.gujjar at intel.com
Fri Feb 16 06:51:07 CET 2018
Hi Jerin,
Thanks for the review. Few comments inline.
> -----Original Message-----
> From: Jerin Jacob [mailto:jerin.jacob at caviumnetworks.com]
> Sent: Thursday, February 15, 2018 6:40 PM
> To: Gujjar, Abhinandan S <abhinandan.gujjar at intel.com>
> Cc: dev at dpdk.org; Rao, Nikhil <nikhil.rao at intel.com>
> Subject: Re: [PATCH V2, 1/2] eventdev: add caps API and PMD callback for
> crypto adapter
>
> -----Original Message-----
> > Date: Mon, 15 Jan 2018 16:22:50 +0530
> > From: Abhinandan Gujjar <abhinandan.gujjar at intel.com>
> > To: jerin.jacob at caviumnetworks.com
> > CC: dev at dpdk.org, Abhinandan Gujjar <abhinandan.gujjar at intel.com>,
> > Nikhil Rao <nikhil.rao at intel.com>
> > Subject: [PATCH V2, 1/2] eventdev: add caps API and PMD callback for
> > crypto adapter
> > X-Mailer: git-send-email 1.9.1
> >
> > Application gets required information to configure crypto adapter for
> > cryptodev and eventdev using caps API.
> >
> > Signed-off-by: Abhinandan Gujjar <abhinandan.gujjar at intel.com>
> > Signed-off-by: Nikhil Rao <nikhil.rao at intel.com>
> > ---
> >
> > Notes:
> > V2:
> > 1. Removed _MULTI_EVENTQ & _MULTI_EVENTQ capabilities
>
>
> Please fix the shared build issue
> target: x86_64-native-linuxapp-gcc+shared
>
> <log>
>
> rte_eventdev.o: In function `rte_event_crypto_adapter_caps_get':
> rte_eventdev.c:(.text+0x4e4): undefined reference to
> `rte_cryptodev_pmd_is_valid_dev'
> rte_eventdev.c:(.text+0x4f7): undefined reference to
> `rte_cryptodev_pmd_get_dev'
> collect2: error: ld returned 1 exit status
>
> </log>
Ok. I will recheck.
>
> >
> > lib/librte_eventdev/rte_eventdev.c | 25 +++++++++++++++++++++++++
> > lib/librte_eventdev/rte_eventdev.h | 33
> +++++++++++++++++++++++++++++++++
> > lib/librte_eventdev/rte_eventdev_pmd.h | 32
> > ++++++++++++++++++++++++++++++++
> > 3 files changed, 90 insertions(+)
> >
> > diff --git a/lib/librte_eventdev/rte_eventdev.c
> > b/lib/librte_eventdev/rte_eventdev.c
> > index f32c53f..e453667 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_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;
>
> Could move the caps check to beginning.
Sure
>
>
> > + *caps = 0;
> > +
> > + return dev->dev_ops->crypto_adapter_caps_get ?
> > + (*dev->dev_ops->crypto_adapter_caps_get)
> > + (dev, cdev, caps) : 0;
> > +}
> > +
> > 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 f1949ff..b442fa2 100644
> > --- a/lib/librte_eventdev/rte_eventdev.h
> > +++ b/lib/librte_eventdev/rte_eventdev.h
> > @@ -1048,6 +1048,39 @@ 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_CYRPTO_ADAPTER_CAP_INTERNAL_PORT 0x1
>
> s/CYRPTO/CRYPTO
Ok
>
> > +/**< Flag indicates HW is capable of generating events.
>
> How about, generating "crypto completion" events or something similar,
Sure. I will update it.
>
> > + * Cryptodev can send packets to the event device using internal event port.
> > + */
> > +
> > +/**
> > + * @warning
> > + * @b EXPERIMENTAL: this API may change without prior notice
>
> Use the new __experimental tag
Ok
>
> > + *
> > + * 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_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 c2fd09c..0c10d99 100644
> > --- a/lib/librte_eventdev/rte_eventdev_pmd.h
> > +++ b/lib/librte_eventdev/rte_eventdev_pmd.h
> > @@ -569,6 +569,35 @@ typedef int (*eventdev_eth_rx_adapter_stats_reset)
> > (const struct rte_eventdev *dev,
> > const struct rte_eth_dev *eth_dev);
> >
> > +
> > +struct rte_cryptodev;
> > +/**
> > + * @warning
> > + * @b EXPERIMENTAL: this API may change without prior notice
>
>
> This is a internal PMD API. So, I think, it does not come in EXPERIMENTAL tag
Ok
>
> > + *
> > + * 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);
> > +
> > /** Event device operations function pointer table */ struct
> > rte_eventdev_ops {
> > eventdev_info_get_t dev_infos_get; /**< Get device info. */
> > @@ -623,6 +652,9 @@ struct rte_eventdev_ops {
> > /**< Get ethernet Rx stats */
> > 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 */
>
> Please rebase to latest dpdk-event-next tree.
Sure
>
> > };
> >
> > /**
> > --
> > 1.9.1
> >
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