[dpdk-dev] [PATCH v7 09/15] bus: add rte_bus_find_by_name

[Jan Blunck]

Signed-off-by: Jan Blunck <jblunck at infradead.org>
---
 lib/librte_eal/common/eal_common_bus.c  | 14 ++++++++++++++
 lib/librte_eal/common/include/rte_bus.h |  5 +++++
 2 files changed, 19 insertions(+)

diff --git a/lib/librte_eal/common/eal_common_bus.c b/lib/librte_eal/common/eal_common_bus.c
index d0e652e..418804a 100644
--- a/lib/librte_eal/common/eal_common_bus.c
+++ b/lib/librte_eal/common/eal_common_bus.c
@@ -203,3 +203,17 @@ rte_bus_find_device(const struct rte_device *start, rte_dev_cmp_t cmp,
 	}
 	return dev;
 }
+
+static int
+cmp_bus_name(const struct rte_bus *bus, const void *_name)
+{
+	const char *name = _name;
+
+	return strcmp(bus->name, name);
+}
+
+struct rte_bus *
+rte_bus_find_by_name(const char *busname)
+{
+	return rte_bus_find(NULL, cmp_bus_name, (const void *)busname);
+}
diff --git a/lib/librte_eal/common/include/rte_bus.h b/lib/librte_eal/common/include/rte_bus.h
index fea0f39..08f8d46 100644
--- a/lib/librte_eal/common/include/rte_bus.h
+++ b/lib/librte_eal/common/include/rte_bus.h
@@ -241,6 +241,11 @@ struct rte_device *rte_bus_find_device(const struct rte_device *start,
 struct rte_bus *rte_bus_find_by_device(const struct rte_device *dev);
 
 /**
+ * Find the registered bus for a given name.
+ */
+struct rte_bus *rte_bus_find_by_name(const char *busname);
+
+/**
  * Helper for Bus registration.
  * The constructor has higher priority than PMD constructors.
  */
-- 
2.9.4