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eventdev: add driver interface of crypto adapter

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This patch defines capabilities & functions to be called
for eventdev PMDs.

Signed-off-by: Abhinandan Gujjar <abhinandan.gujjar@intel.com>
Acked-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Acked-by: Akhil Goyal <akhil.goyal@nxp.com>
This commit is contained in:
Abhinandan Gujjar 2018-05-09 13:47:58 +05:30 committed by Jerin Jacob
parent dbe869baf4
commit 9dc1bd7326
8 changed files with 283 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/event/sw/sw_evdev.c
View File

@ -480,6 +480,17 @@ sw_timer_adapter_caps_get(const struct rte_eventdev *dev,
return 0;
}
static int
sw_crypto_adapter_caps_get(const struct rte_eventdev *dev,
const struct rte_cryptodev *cdev,
uint32_t *caps)
{
RTE_SET_USED(dev);
RTE_SET_USED(cdev);
*caps = RTE_EVENT_CRYPTO_ADAPTER_SW_CAP;
return 0;
}
static void
sw_info_get(struct rte_eventdev *dev, struct rte_event_dev_info *info)
{
@ -809,6 +820,8 @@ sw_probe(struct rte_vdev_device *vdev)
.timer_adapter_caps_get = sw_timer_adapter_caps_get,
.crypto_adapter_caps_get = sw_crypto_adapter_caps_get,
.xstats_get = sw_xstats_get,
.xstats_get_names = sw_xstats_get_names,
.xstats_get_by_name = sw_xstats_get_by_name,

3
lib/Makefile
View File

@ -32,7 +32,8 @@ DEPDIRS-librte_security := librte_eal librte_mempool librte_ring librte_mbuf
DEPDIRS-librte_security += librte_ethdev
DEPDIRS-librte_security += librte_cryptodev
DIRS-$(CONFIG_RTE_LIBRTE_EVENTDEV) += librte_eventdev
DEPDIRS-librte_eventdev := librte_eal librte_ring librte_ethdev librte_hash librte_mempool librte_timer
DEPDIRS-librte_eventdev := librte_eal librte_ring librte_ethdev librte_hash \
librte_mempool librte_timer librte_cryptodev
DIRS-$(CONFIG_RTE_LIBRTE_RAWDEV) += librte_rawdev
DEPDIRS-librte_rawdev := librte_eal librte_ethdev
DIRS-$(CONFIG_RTE_LIBRTE_VHOST) += librte_vhost

1
lib/librte_eventdev/Makefile
View File

@ -15,6 +15,7 @@ CFLAGS += -DALLOW_EXPERIMENTAL_API
CFLAGS += -O3
CFLAGS += $(WERROR_FLAGS)
LDLIBS += -lrte_eal -lrte_ring -lrte_ethdev -lrte_hash -lrte_mempool -lrte_timer
LDLIBS += -lrte_mbuf -lrte_cryptodev
# library source files
SRCS-y += rte_eventdev.c

2
lib/librte_eventdev/meson.build
View File

@ -15,4 +15,4 @@ headers = files('rte_eventdev.h',
'rte_event_eth_rx_adapter.h',
'rte_event_timer_adapter.h',
'rte_event_timer_adapter_pmd.h')
deps += ['ring', 'ethdev', 'hash', 'mempool', 'timer']
deps += ['ring', 'ethdev', 'hash', 'mempool', 'mbuf', 'timer', 'cryptodev']

25
lib/librte_eventdev/rte_eventdev.c
View File

@ -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"
@ -145,6 +147,29 @@ rte_event_timer_adapter_caps_get(uint8_t dev_id, uint32_t *caps)
: 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;
*caps = 0;
return dev->dev_ops->crypto_adapter_caps_get ?
(*dev->dev_ops->crypto_adapter_caps_get)
(dev, cdev, caps) : -ENOTSUP;
}
static inline int
rte_event_dev_queue_config(struct rte_eventdev *dev, uint8_t nb_queues)
{

53
lib/librte_eventdev/rte_eventdev.h
View File

@ -215,7 +215,6 @@ extern "C" {
#include <rte_config.h>
#include <rte_memory.h>
#include <rte_errno.h>
#include <rte_compat.h>
struct rte_mbuf; /* we just use mbuf pointers; no need to include rte_mbuf.h */
struct rte_event;
@ -1135,6 +1134,58 @@ rte_event_eth_rx_adapter_caps_get(uint8_t dev_id, uint8_t eth_port_id,
int __rte_experimental
rte_event_timer_adapter_caps_get(uint8_t dev_id, uint32_t *caps);
/* Crypto adapter capability bitmap flag */
#define RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_OP_NEW 0x1
/**< Flag indicates HW is capable of generating events in
* RTE_EVENT_OP_NEW enqueue operation. Cryptodev will send
* packets to the event device as new events using an internal
* event port.
*/
#define RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_OP_FWD 0x2
/**< Flag indicates HW is capable of generating events in
* RTE_EVENT_OP_FORWARD enqueue operation. Cryptodev will send
* packets to the event device as forwarded event using an
* internal event port.
*/
#define RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_QP_EV_BIND 0x4
/**< Flag indicates HW is capable of mapping crypto queue pair to
* event queue.
*/
#define RTE_EVENT_CRYPTO_ADAPTER_CAP_SESSION_PRIVATE_DATA 0x8
/**< Flag indicates HW/SW suports a mechanism to store and retrieve
* the private data information along with the crypto session.
*/
/**
* @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.
* It is expected to be pre-allocated & initialized by caller.
*
* @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_ops;
struct rte_eventdev;

187
lib/librte_eventdev/rte_eventdev_pmd.h
View File

@ -70,6 +70,9 @@ extern "C" {
((RTE_EVENT_ETH_RX_ADAPTER_CAP_OVERRIDE_FLOW_ID) | \
(RTE_EVENT_ETH_RX_ADAPTER_CAP_MULTI_EVENTQ))
#define RTE_EVENT_CRYPTO_ADAPTER_SW_CAP \
RTE_EVENT_CRYPTO_ADAPTER_CAP_SESSION_PRIVATE_DATA
/**< Ethernet Rx adapter cap to return If the packet transfers from
* the ethdev to eventdev use a SW service function
*/
@ -617,6 +620,175 @@ 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.
* It is expected to be pre-allocated & initialized by caller.
*
* @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 queue_pair_id
* cryptodev queue pair identifier.
*
* @param event
* Event information required for binding cryptodev queue pair to event queue.
* This structure will have a valid value for only those HW PMDs supporting
* @see RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_QP_EV_BIND capability.
*
* @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,
const struct rte_event *event);
/**
* 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 queue_pair_id
* cryptodev queue pair identifier.
*
* @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. */
@ -675,6 +847,21 @@ struct rte_eventdev_ops {
eventdev_timer_adapter_caps_get_t timer_adapter_caps_get;
/**< Get timer adapter capabilities */
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 */

2
lib/librte_eventdev/rte_eventdev_version.map
View File

@ -97,4 +97,6 @@ EXPERIMENTAL {
rte_event_timer_arm_burst;
rte_event_timer_arm_tmo_tick_burst;
rte_event_timer_cancel_burst;
rte_event_crypto_adapter_caps_get;
} DPDK_18.05;