[dpdk-dev] [PATCH v4 02/14] drivers/bus/ifpga: add function for AFU search by name

[Rosen Xu <rosen.xu@intel.com>]

In many scenarios, AFU is needed searched by name, this
function add the feature.

Signed-off-by: Rosen Xu <rosen.xu@intel.com>
Signed-off-by: Andy Pei <andy.pei@intel.com>
---
 drivers/bus/ifpga/ifpga_bus.c               | 13 +++++++++++++
 drivers/bus/ifpga/rte_bus_ifpga.h           |  9 +++++++++
 drivers/bus/ifpga/rte_bus_ifpga_version.map |  3 ++-
 3 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/drivers/bus/ifpga/ifpga_bus.c b/drivers/bus/ifpga/ifpga_bus.c
index 55d3abf..dfd6b1f 100644
--- a/drivers/bus/ifpga/ifpga_bus.c
+++ b/drivers/bus/ifpga/ifpga_bus.c
@@ -73,6 +73,19 @@ void rte_ifpga_driver_unregister(struct rte_afu_driver *driver)
 	return NULL;
 }
 
+struct rte_afu_device *
+rte_ifpga_find_afu_by_name(const char *name)
+{
+	struct rte_afu_device *afu_dev = NULL;
+
+	TAILQ_FOREACH(afu_dev, &ifpga_afu_dev_list, next) {
+		if (afu_dev &&
+			!strcmp(afu_dev->device.name, name))
+			return afu_dev;
+	}
+	return NULL;
+}
+
 static const char * const valid_args[] = {
 #define IFPGA_ARG_NAME         "ifpga"
 	IFPGA_ARG_NAME,
diff --git a/drivers/bus/ifpga/rte_bus_ifpga.h b/drivers/bus/ifpga/rte_bus_ifpga.h
index 820eeaa..88a6289 100644
--- a/drivers/bus/ifpga/rte_bus_ifpga.h
+++ b/drivers/bus/ifpga/rte_bus_ifpga.h
@@ -120,6 +120,15 @@ struct rte_afu_driver {
 }
 
 /**
+ * Find AFU by AFU name.
+ *
+ * @param name
+ *   A pointer to AFU name string.
+ */
+struct rte_afu_device *
+rte_ifpga_find_afu_by_name(const char *name);
+
+/**
  * Register a ifpga afu device driver.
  *
  * @param driver
diff --git a/drivers/bus/ifpga/rte_bus_ifpga_version.map b/drivers/bus/ifpga/rte_bus_ifpga_version.map
index a027979..8f9b781 100644
--- a/drivers/bus/ifpga/rte_bus_ifpga_version.map
+++ b/drivers/bus/ifpga/rte_bus_ifpga_version.map
@@ -1,6 +1,7 @@
-DPDK_18.05 {
+DPDK_19.05 {
 	global:
 
+	rte_ifpga_find_afu_by_name;
 	rte_ifpga_get_integer32_arg;
 	rte_ifpga_get_string_arg;
 	rte_ifpga_driver_register;
-- 
1.8.3.1