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Diffstat (limited to 'src/arch/i386/include/gpxe/sbft.h')
-rw-r--r-- | src/arch/i386/include/gpxe/sbft.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/src/arch/i386/include/gpxe/sbft.h b/src/arch/i386/include/gpxe/sbft.h new file mode 100644 index 0000000..3003843 --- /dev/null +++ b/src/arch/i386/include/gpxe/sbft.h @@ -0,0 +1,125 @@ +#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 */ |