106 lines
3.3 KiB
C
106 lines
3.3 KiB
C
/*
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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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*/
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#include <assert.h>
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#include <realmode.h>
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#include <ipxe/srp.h>
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#include <ipxe/ib_srp.h>
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#include <ipxe/acpi.h>
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#include <ipxe/sbft.h>
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#define sbftab __use_data16 ( sbftab )
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/** The sBFT used by iPXE */
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struct ipxe_sbft __data16 ( sbftab ) = {
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/* Table header */
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.table = {
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/* ACPI header */
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.acpi = {
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.signature = SBFT_SIG,
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.length = sizeof ( sbftab ),
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.revision = 1,
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.oem_id = "FENSYS",
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.oem_table_id = "iPXE",
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},
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.scsi_offset = offsetof ( typeof ( sbftab ), scsi ),
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.srp_offset = offsetof ( typeof ( sbftab ), srp ),
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.ib_offset = offsetof ( typeof ( sbftab ), ib ),
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},
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};
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/**
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* Fill in all variable portions of sBFT
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*
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* @v srp SRP device
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* @ret rc Return status code
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*/
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int sbft_fill_data ( struct srp_device *srp ) {
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struct sbft_scsi_subtable *sbft_scsi = &sbftab.scsi;
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struct sbft_srp_subtable *sbft_srp = &sbftab.srp;
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struct sbft_ib_subtable *sbft_ib = &sbftab.ib;
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struct ib_srp_parameters *ib_params;
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struct segoff rm_sbftab = {
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.segment = rm_ds,
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.offset = __from_data16 ( &sbftab ),
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};
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/* Fill in the SCSI subtable */
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memcpy ( &sbft_scsi->lun, &srp->lun, sizeof ( sbft_scsi->lun ) );
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/* Fill in the SRP subtable */
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memcpy ( &sbft_srp->port_ids, &srp->port_ids,
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sizeof ( sbft_srp->port_ids ) );
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/* Fill in the IB subtable */
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assert ( srp->transport == &ib_srp_transport );
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ib_params = ib_srp_params ( srp );
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memcpy ( &sbft_ib->sgid, &ib_params->sgid, sizeof ( sbft_ib->sgid ) );
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memcpy ( &sbft_ib->dgid, &ib_params->dgid, sizeof ( sbft_ib->dgid ) );
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memcpy ( &sbft_ib->service_id, &ib_params->service_id,
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sizeof ( sbft_ib->service_id ) );
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sbft_ib->pkey = ib_params->pkey;
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/* Update checksum */
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acpi_fix_checksum ( &sbftab.table.acpi );
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DBGC ( &sbftab, "SRP Boot Firmware Table at %04x:%04x:\n",
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rm_sbftab.segment, rm_sbftab.offset );
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DBGC_HDA ( &sbftab, rm_sbftab, &sbftab, sizeof ( sbftab ) );
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return 0;
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}
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