1 files changed, 71 insertions, 0 deletions
diff --git a/src/include/gpxe/ib_gma.h b/src/include/gpxe/ib_gma.h
new file mode 100644
index 00000000..c305a3a1
--- /dev/null
+++ b/src/include/gpxe/ib_gma.h
@@ -0,0 +1,71 @@
+#ifndef _GPXE_IB_GMA_H
+#define _GPXE_IB_GMA_H
+
+/** @file
+ *
+ * Infiniband General Management Agent
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <gpxe/list.h>
+#include <gpxe/retry.h>
+#include <gpxe/tables.h>
+
+struct ib_device;
+struct ib_completion_queue;
+struct ib_queue_pair;
+union ib_mad;
+
+/** A MAD attribute handler */
+struct ib_mad_handler {
+	/** Management class */
+	uint8_t mgmt_class;
+	/** Class version */
+	uint8_t class_version;
+	/** Method */
+	uint8_t method;
+	/** Response method, or zero */
+	uint8_t resp_method;
+	/** Attribute (in network byte order) */
+	uint16_t attr_id;
+	/** Handle attribute
+	 *
+	 * @v ibdev	Infiniband device
+	 * @v mad	MAD
+	 * @ret rc	Return status code
+	 *
+	 * The handler should modify the MAD as applicable.  If the
+	 * handler returns with a non-zero value in the MAD's @c
+	 * method field, it will be sent as a response.
+	 */
+	int ( * handle ) ( struct ib_device *ibdev, union ib_mad *mad );
+};
+
+/** MAD attribute handlers */
+#define IB_MAD_HANDLERS __table ( struct ib_mad_handler, "ib_mad_handlers" )
+
+/** Declare a MAD attribute handler */
+#define __ib_mad_handler __table_entry ( IB_MAD_HANDLERS, 01 )
+
+/** An Infiniband General Management Agent */
+struct ib_gma {
+	/** Infiniband device */
+	struct ib_device *ibdev;
+	/** Completion queue */
+	struct ib_completion_queue *cq;
+	/** Queue pair */
+	struct ib_queue_pair *qp;
+
+	/** List of outstanding MAD requests */
+	struct list_head requests;
+};
+
+extern int ib_gma_request ( struct ib_gma *gma, union ib_mad *mad,
+			    struct ib_address_vector *av );
+extern int ib_create_gma ( struct ib_gma *gma, struct ib_device *ibdev,
+			   unsigned long qkey );
+extern void ib_destroy_gma ( struct ib_gma *gma );
+
+#endif /* _GPXE_IB_GMA_H */