cryptodev: add device probing finish function

Added a rte_cryptodev_pmd_probing_finish API which
need to be called by the PMD after the device is initialized
completely. This will set the fast path function pointers
in the flat array for secondary process. For primary process,
these are set in rte_cryptodev_start.

Signed-off-by: Akhil Goyal <gakhil@marvell.com>
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
Acked-by: Fan Zhang <roy.fan.zhang@intel.com>

diff --git a/lib/cryptodev/cryptodev_pmd.c b/lib/cryptodev/cryptodev_pmd.c
index fd7454368235347c81021399e27e3d79b835b7ef..739a0b3f3484090107dc7e8bbcc6f5df63a12d16 100644 (file)
--- a/lib/cryptodev/cryptodev_pmd.c
+++ b/lib/cryptodev/cryptodev_pmd.c
@@ -161,6 +161,22 @@ rte_cryptodev_pmd_destroy(struct rte_cryptodev *cryptodev)
        return 0;
 }
 
+void
+rte_cryptodev_pmd_probing_finish(struct rte_cryptodev *cryptodev)
+{
+       if (cryptodev == NULL)
+               return;
+       /*
+        * for secondary process, at that point we expect device
+        * to be already 'usable', so shared data and all function
+        * pointers for fast-path devops have to be setup properly
+        * inside rte_cryptodev.
+        */
+       if (rte_eal_process_type() == RTE_PROC_SECONDARY)
+               cryptodev_fp_ops_set(rte_crypto_fp_ops +
+                               cryptodev->data->dev_id, cryptodev);
+}
+
 static uint16_t
 dummy_crypto_enqueue_burst(__rte_unused void *qp,
                           __rte_unused struct rte_crypto_op **ops,

diff --git a/lib/cryptodev/cryptodev_pmd.h b/lib/cryptodev/cryptodev_pmd.h
index a71edbb9917e12ab067ccb69f936bd28bb3f0eb5..9bb1e47ae4dba2da7c0621674e96d91d44ba6dad 100644 (file)
--- a/lib/cryptodev/cryptodev_pmd.h
+++ b/lib/cryptodev/cryptodev_pmd.h
@@ -509,6 +509,19 @@ __rte_internal
 uint8_t rte_cryptodev_allocate_driver(struct cryptodev_driver *crypto_drv,
                const struct rte_driver *drv);
 
+/**
+ * @internal
+ * This is the last step of device probing. It must be called after a
+ * cryptodev is allocated and initialized successfully.
+ *
+ * @param      dev     Pointer to cryptodev struct
+ *
+ * @return
+ *  void
+ */
+__rte_internal
+void
+rte_cryptodev_pmd_probing_finish(struct rte_cryptodev *dev);
 
 #define RTE_PMD_REGISTER_CRYPTO_DRIVER(crypto_drv, drv, driver_id)\
 RTE_INIT(init_ ##driver_id)\

diff --git a/lib/cryptodev/version.map b/lib/cryptodev/version.map
index 0e409e7a9f118e7d1f3952b35b84d49d5365f5db..fd5edf18529e307482d94cbeaa3b3479b2d55b1f 100644 (file)
--- a/lib/cryptodev/version.map
+++ b/lib/cryptodev/version.map
@@ -121,5 +121,6 @@ INTERNAL {
        rte_cryptodev_pmd_get_dev;
        rte_cryptodev_pmd_get_named_dev;
        rte_cryptodev_pmd_parse_input_args;
+       rte_cryptodev_pmd_probing_finish;
        rte_cryptodev_pmd_release_device;
 };