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