[dpdk-dev] [PATCH v8 08/14] bus: add rte_bus_find_by_name

[Jan Blunck]

Signed-off-by: Jan Blunck <jblunck at infradead.org>
---
 lib/librte_eal/bsdapp/eal/rte_eal_version.map   |  1 +
 lib/librte_eal/common/eal_common_bus.c          | 14 ++++++++++++++
 lib/librte_eal/common/include/rte_bus.h         |  5 +++++
 lib/librte_eal/linuxapp/eal/rte_eal_version.map |  1 +
 4 files changed, 21 insertions(+)

diff --git a/lib/librte_eal/bsdapp/eal/rte_eal_version.map b/lib/librte_eal/bsdapp/eal/rte_eal_version.map
index 458e3a6..d138a96 100644
--- a/lib/librte_eal/bsdapp/eal/rte_eal_version.map
+++ b/lib/librte_eal/bsdapp/eal/rte_eal_version.map
@@ -199,5 +199,6 @@ DPDK_17.08 {
 
 	rte_bus_find;
 	rte_bus_find_by_device;
+	rte_bus_find_by_name;
 
 } DPDK_17.05;
diff --git a/lib/librte_eal/common/eal_common_bus.c b/lib/librte_eal/common/eal_common_bus.c
index b8a9e30..bf2b138 100644
--- a/lib/librte_eal/common/eal_common_bus.c
+++ b/lib/librte_eal/common/eal_common_bus.c
@@ -188,3 +188,17 @@ rte_bus_find_by_device(const struct rte_device *dev)
 {
 	return rte_bus_find(NULL, bus_find_device, (const void *)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 f8b3215..509292d 100644
--- a/lib/librte_eal/common/include/rte_bus.h
+++ b/lib/librte_eal/common/include/rte_bus.h
@@ -215,6 +215,11 @@ struct rte_bus *rte_bus_find(const struct rte_bus *start, rte_bus_cmp_t cmp,
 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.
  */
diff --git a/lib/librte_eal/linuxapp/eal/rte_eal_version.map b/lib/librte_eal/linuxapp/eal/rte_eal_version.map
index 3c193e4..643ec1c 100644
--- a/lib/librte_eal/linuxapp/eal/rte_eal_version.map
+++ b/lib/librte_eal/linuxapp/eal/rte_eal_version.map
@@ -204,5 +204,6 @@ DPDK_17.08 {
 
 	rte_bus_find;
 	rte_bus_find_by_device;
+	rte_bus_find_by_name;
 
 } DPDK_17.05;
-- 
2.9.4