From 419243e7f1ab37c9e7867080e17dcd745fa4f9c0 Mon Sep 17 00:00:00 2001
From: Michael Brown
Date: Sun, 9 Aug 2009 19:29:03 +0100
Subject: [infiniband] Add find_ibdev()

---
 src/include/gpxe/infiniband.h |  1 +
 src/net/infiniband.c          | 16 ++++++++++++++++
 2 files changed, 17 insertions(+)

diff --git a/src/include/gpxe/infiniband.h b/src/include/gpxe/infiniband.h
index c4bc2ff4..771d2a07 100644
--- a/src/include/gpxe/infiniband.h
+++ b/src/include/gpxe/infiniband.h
@@ -472,6 +472,7 @@ extern int ib_set_pkey_table ( struct ib_device *ibdev, union ib_mad *mad );
 extern struct ib_device * alloc_ibdev ( size_t priv_size );
 extern int register_ibdev ( struct ib_device *ibdev );
 extern void unregister_ibdev ( struct ib_device *ibdev );
+extern struct ib_device * find_ibdev ( struct ib_gid *gid );
 extern void ib_link_state_changed ( struct ib_device *ibdev );
 extern void ib_poll_eq ( struct ib_device *ibdev );
 extern struct list_head ib_devices;
diff --git a/src/net/infiniband.c b/src/net/infiniband.c
index 539c5290..45f38d9c 100644
--- a/src/net/infiniband.c
+++ b/src/net/infiniband.c
@@ -882,3 +882,19 @@ void unregister_ibdev ( struct ib_device *ibdev ) {
 	ibdev_put ( ibdev );
 	DBGC ( ibdev, "IBDEV %p unregistered\n", ibdev );
 }
+
+/**
+ * Find Infiniband device by GID
+ *
+ * @v gid		GID
+ * @ret ibdev		Infiniband device, or NULL
+ */
+struct ib_device * find_ibdev ( struct ib_gid *gid ) {
+	struct ib_device *ibdev;
+
+	for_each_ibdev ( ibdev ) {
+		if ( memcmp ( gid, &ibdev->gid, sizeof ( *gid ) ) == 0 )
+			return ibdev;
+	}
+	return NULL;
+}
-- 
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