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authorSean Hefty <sean.hefty@intel.com>2013-05-29 10:09:26 -0700
committerRoland Dreier <roland@purestorage.com>2013-06-20 23:35:39 -0700
commit2e08b5879e9244fa893fe09f5b887f72f4e6c29b (patch)
tree4390a3f69fde121e64c876ee04bb3ce875fb7ed0
parentee7aed4528fb3c44a36abd79eb23fd5401a5b697 (diff)
IB/sa: Export function to pack a path record into wire format
Allow converting from struct ib_sa_path_rec to the IB defined SA path record wire format. This will be used to report path data from the rdma cm into user space. Signed-off-by: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
-rw-r--r--drivers/infiniband/core/sa_query.c6
-rw-r--r--include/rdma/ib_sa.h7
2 files changed, 13 insertions, 0 deletions
diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c
index 934f45e79e5e..9838ca484389 100644
--- a/drivers/infiniband/core/sa_query.c
+++ b/drivers/infiniband/core/sa_query.c
@@ -652,6 +652,12 @@ void ib_sa_unpack_path(void *attribute, struct ib_sa_path_rec *rec)
}
EXPORT_SYMBOL(ib_sa_unpack_path);
+void ib_sa_pack_path(struct ib_sa_path_rec *rec, void *attribute)
+{
+ ib_pack(path_rec_table, ARRAY_SIZE(path_rec_table), rec, attribute);
+}
+EXPORT_SYMBOL(ib_sa_pack_path);
+
static void ib_sa_path_rec_callback(struct ib_sa_query *sa_query,
int status,
struct ib_sa_mad *mad)
diff --git a/include/rdma/ib_sa.h b/include/rdma/ib_sa.h
index 8275e539bace..125f8714301d 100644
--- a/include/rdma/ib_sa.h
+++ b/include/rdma/ib_sa.h
@@ -402,6 +402,12 @@ int ib_init_ah_from_path(struct ib_device *device, u8 port_num,
struct ib_ah_attr *ah_attr);
/**
+ * ib_sa_pack_path - Conert a path record from struct ib_sa_path_rec
+ * to IB MAD wire format.
+ */
+void ib_sa_pack_path(struct ib_sa_path_rec *rec, void *attribute);
+
+/**
* ib_sa_unpack_path - Convert a path record from MAD format to struct
* ib_sa_path_rec.
*/
@@ -418,4 +424,5 @@ int ib_sa_guid_info_rec_query(struct ib_sa_client *client,
void *context),
void *context,
struct ib_sa_query **sa_query);
+
#endif /* IB_SA_H */