[dpdk-dev] [PATCH V2, 1/2] eventdev: add caps API and PMD callback for crypto adapter
Abhinandan Gujjar
abhinandan.gujjar at intel.com
Mon Jan 15 11:52:50 CET 2018
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
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;
+ *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
+/**< Flag indicates HW is capable of generating events.
+ * Cryptodev can send packets to the event device using 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_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
+ *
+ * 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 */
};
/**
--
1.9.1
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