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-rw-r--r--gpxe/src/include/gpxe/ib_sma.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/gpxe/src/include/gpxe/ib_sma.h b/gpxe/src/include/gpxe/ib_sma.h
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+++ b/gpxe/src/include/gpxe/ib_sma.h
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+#ifndef _GPXE_IB_SMA_H
+#define _GPXE_IB_SMA_H
+
+/** @file
+ *
+ * Infiniband Subnet Management Agent
+ *
+ */
+
+#include <gpxe/infiniband.h>
+#include <gpxe/process.h>
+
+/** Infiniband Subnet Management Agent operations */
+struct ib_sma_operations {
+ /** Set port information
+ *
+ * @v ibdev Infiniband device
+ * @v port_info New port information
+ */
+ int ( * set_port_info ) ( struct ib_device *ibdev,
+ const struct ib_port_info *port_info );
+};
+
+/** An Infiniband Subnet Management Agent */
+struct ib_sma {
+ /** Infiniband device */
+ struct ib_device *ibdev;
+ /** SMA operations */
+ struct ib_sma_operations *op;
+ /** SMA completion queue */
+ struct ib_completion_queue *cq;
+ /** SMA queue pair */
+ struct ib_queue_pair *qp;
+ /** Poll process */
+ struct process poll;
+};
+
+/** SMA payload size allocated for received packets */
+#define IB_SMA_PAYLOAD_LEN 2048
+
+/** SMA number of send WQEs
+ *
+ * This is a policy decision.
+ */
+#define IB_SMA_NUM_SEND_WQES 4
+
+/** SMA number of receive WQEs
+ *
+ * This is a policy decision.
+ */
+#define IB_SMA_NUM_RECV_WQES 2
+
+/** SMA number of completion queue entries
+ *
+ * This is a policy decision
+ */
+#define IB_SMA_NUM_CQES 8
+
+extern int ib_create_sma ( struct ib_sma *sma, struct ib_device *ibdev,
+ struct ib_sma_operations *op );
+extern void ib_destroy_sma ( struct ib_sma *sma );
+
+#endif /* _GPXE_IB_SMA_H */