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