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-rw-r--r--gpxe/src/include/gpxe/ib_srp.h79
1 files changed, 79 insertions, 0 deletions
diff --git a/gpxe/src/include/gpxe/ib_srp.h b/gpxe/src/include/gpxe/ib_srp.h
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+++ b/gpxe/src/include/gpxe/ib_srp.h
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+#ifndef _GPXE_IB_SRP_H
+#define _GPXE_IB_SRP_H
+
+/** @file
+ *
+ * SCSI RDMA Protocol over Infiniband
+ *
+ */
+
+FILE_LICENCE ( BSD2 );
+
+#include <stdint.h>
+#include <gpxe/infiniband.h>
+#include <gpxe/srp.h>
+
+/** SRP initiator port identifier for Infiniband */
+struct ib_srp_initiator_port_id {
+ /** Identifier extension */
+ struct ib_gid_half id_ext;
+ /** IB channel adapter GUID */
+ struct ib_gid_half hca_guid;
+} __attribute__ (( packed ));
+
+/** SRP target port identifier for Infiniband */
+struct ib_srp_target_port_id {
+ /** Identifier extension */
+ struct ib_gid_half id_ext;
+ /** I/O controller GUID */
+ struct ib_gid_half ioc_guid;
+} __attribute__ (( packed ));
+
+/**
+ * Get Infiniband-specific initiator port ID
+ *
+ * @v port_ids SRP port IDs
+ * @ret initiator_port_id Infiniband-specific initiator port ID
+ */
+static inline __always_inline struct ib_srp_initiator_port_id *
+ib_srp_initiator_port_id ( struct srp_port_ids *port_ids ) {
+ return ( ( struct ib_srp_initiator_port_id * ) &port_ids->initiator );
+}
+
+/**
+ * Get Infiniband-specific target port ID
+ *
+ * @v port_ids SRP port IDs
+ * @ret target_port_id Infiniband-specific target port ID
+ */
+static inline __always_inline struct ib_srp_target_port_id *
+ib_srp_target_port_id ( struct srp_port_ids *port_ids ) {
+ return ( ( struct ib_srp_target_port_id * ) &port_ids->target );
+}
+
+/** Infiniband-specific SRP parameters */
+struct ib_srp_parameters {
+ /** Source GID */
+ struct ib_gid sgid;
+ /** Destination GID */
+ struct ib_gid dgid;
+ /** Service ID */
+ struct ib_gid_half service_id;
+ /** Partition key */
+ uint16_t pkey;
+};
+
+/**
+ * Get Infiniband-specific transport parameters
+ *
+ * @v srp SRP device
+ * @ret ib_params Infiniband-specific transport parameters
+ */
+static inline __always_inline struct ib_srp_parameters *
+ib_srp_params ( struct srp_device *srp ) {
+ return srp_transport_priv ( srp );
+}
+
+extern struct srp_transport_type ib_srp_transport;
+
+#endif /* _GPXE_IB_SRP_H */