raw/dpaa2_cmdif: add attribute get functionality

Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com>
Acked-by: Shreyansh Jain <shreyansh.jain@nxp.com>

diff --git a/drivers/raw/dpaa2_cmdif/dpaa2_cmdif.c b/drivers/raw/dpaa2_cmdif/dpaa2_cmdif.c
index 470eb53..093bffe 100644 (file)
--- a/drivers/raw/dpaa2_cmdif/dpaa2_cmdif.c
+++ b/drivers/raw/dpaa2_cmdif/dpaa2_cmdif.c
@@ -28,7 +28,33 @@ int dpaa2_cmdif_logtype;
 /* CMDIF driver object */
 static struct rte_vdev_driver dpaa2_cmdif_drv;
 
-static const struct rte_rawdev_ops dpaa2_cmdif_ops;
+/*
+ * This API provides the DPCI device ID in 'attr_value'.
+ * The device ID shall be passed by GPP to the AIOP using CMDIF commands.
+ */
+static int
+dpaa2_cmdif_get_attr(struct rte_rawdev *dev,
+                    const char *attr_name,
+                    uint64_t *attr_value)
+{
+       struct dpaa2_dpci_dev *cidev = dev->dev_private;
+
+       DPAA2_CMDIF_FUNC_TRACE();
+
+       RTE_SET_USED(attr_name);
+
+       if (!attr_value) {
+               DPAA2_CMDIF_ERR("Invalid arguments for getting attributes");
+               return -EINVAL;
+       }
+       *attr_value = cidev->dpci_id;
+
+       return 0;
+}
+
+static const struct rte_rawdev_ops dpaa2_cmdif_ops = {
+       .attr_get = dpaa2_cmdif_get_attr,
+};
 
 static int
 dpaa2_cmdif_create(const char *name,