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+#ifndef _GPXE_SBFT_H
+#define _GPXE_SBFT_H
+
+/*
+ * Copyright (C) 2009 Fen Systems Ltd <mbrown@fensystems.co.uk>.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+FILE_LICENCE ( BSD2 );
+
+/** @file
+ *
+ * SRP boot firmware table
+ *
+ * The working draft specification for the SRP boot firmware table can
+ * be found at
+ *
+ * http://etherboot.org/wiki/srp/sbft
+ *
+ */
+
+#include <stdint.h>
+#include <gpxe/acpi.h>
+#include <gpxe/scsi.h>
+#include <gpxe/srp.h>
+#include <gpxe/ib_srp.h>
+
+/** SRP Boot Firmware Table signature */
+#define SBFT_SIG "sBFT"
+
+/** An offset from the start of the sBFT */
+typedef uint16_t sbft_off_t;
+
+/**
+ * SRP Boot Firmware Table
+ */
+struct sbft_table {
+ /** ACPI header */
+ struct acpi_description_header acpi;
+ /** Offset to SCSI subtable */
+ sbft_off_t scsi_offset;
+ /** Offset to SRP subtable */
+ sbft_off_t srp_offset;
+ /** Offset to IB subtable, if present */
+ sbft_off_t ib_offset;
+ /** Reserved */
+ uint8_t reserved[6];
+} __attribute__ (( packed ));
+
+/**
+ * sBFT SCSI subtable
+ */
+struct sbft_scsi_subtable {
+ /** LUN */
+ struct scsi_lun lun;
+} __attribute__ (( packed ));
+
+/**
+ * sBFT SRP subtable
+ */
+struct sbft_srp_subtable {
+ /** Initiator and target ports */
+ struct srp_port_ids port_ids;
+} __attribute__ (( packed ));
+
+/**
+ * sBFT IB subtable
+ */
+struct sbft_ib_subtable {
+ /** 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;
+ /** Reserved */
+ uint8_t reserved[6];
+} __attribute__ (( packed ));
+
+/**
+ * An sBFT created by gPXE
+ */
+struct gpxe_sbft {
+ /** The table header */
+ struct sbft_table table;
+ /** The SCSI subtable */
+ struct sbft_scsi_subtable scsi;
+ /** The SRP subtable */
+ struct sbft_srp_subtable srp;
+ /** The IB subtable */
+ struct sbft_ib_subtable ib;
+} __attribute__ (( packed, aligned ( 16 ) ));
+
+struct srp_device;
+
+extern int sbft_fill_data ( struct srp_device *srp );
+
+#endif /* _GPXE_SBFT_H */