| /* |
| * Copyright (C) 2013 Michael Brown <mbrown@fensystems.co.uk>. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of the |
| * License, or any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| * 02110-1301, USA. |
| * |
| * You can also choose to distribute this program under the terms of |
| * the Unmodified Binary Distribution Licence (as given in the file |
| * COPYING.UBDL), provided that you have satisfied its requirements. |
| */ |
| |
| #include <stdio.h> |
| #include <getopt.h> |
| #include <ipxe/pci.h> |
| #include <ipxe/command.h> |
| #include <ipxe/parseopt.h> |
| |
| FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); |
| |
| /** @file |
| * |
| * PCI commands |
| * |
| */ |
| |
| /** "pciscan" options */ |
| struct pciscan_options {}; |
| |
| /** "pciscan" option list */ |
| static struct option_descriptor pciscan_opts[] = {}; |
| |
| /** "pciscan" command descriptor */ |
| static struct command_descriptor pciscan_cmd = |
| COMMAND_DESC ( struct pciscan_options, pciscan_opts, 1, 1, |
| "<setting>" ); |
| |
| /** |
| * "pciscan" command |
| * |
| * @v argc Argument count |
| * @v argv Argument list |
| * @ret rc Return status code |
| */ |
| static int pciscan_exec ( int argc, char **argv ) { |
| struct pciscan_options opts; |
| struct named_setting setting; |
| struct pci_device pci; |
| unsigned long prev; |
| int next; |
| int len; |
| int rc; |
| |
| /* Parse options */ |
| if ( ( rc = parse_options ( argc, argv, &pciscan_cmd, &opts ) ) != 0 ) |
| goto err_parse_options; |
| |
| /* Parse setting name */ |
| if ( ( rc = parse_autovivified_setting ( argv[optind], |
| &setting ) ) != 0 ) |
| goto err_parse_setting; |
| |
| /* Determine starting bus:dev.fn address */ |
| if ( ( len = fetchn_setting ( setting.settings, &setting.setting, |
| NULL, &setting.setting, &prev ) ) < 0 ) { |
| /* Setting not yet defined: start searching from 00:00.0 */ |
| prev = 0; |
| } else { |
| /* Setting is defined: start searching from next location */ |
| prev++; |
| } |
| |
| /* Find next existent PCI device */ |
| if ( ( next = pci_find_next ( &pci, prev ) ) < 0 ) { |
| rc = next; |
| goto err_find_next; |
| } |
| |
| /* Apply default type if necessary. Use ":uint16" rather than |
| * ":busdevfn" to allow for easy inclusion within a |
| * "${pci/${location}.x.y}" constructed setting. |
| */ |
| if ( ! setting.setting.type ) |
| setting.setting.type = &setting_type_uint16; |
| |
| /* Store setting */ |
| if ( ( rc = storen_setting ( setting.settings, &setting.setting, |
| next ) ) != 0 ) { |
| printf ( "Could not store \"%s\": %s\n", |
| setting.setting.name, strerror ( rc ) ); |
| goto err_store; |
| } |
| |
| err_store: |
| err_find_next: |
| err_parse_setting: |
| err_parse_options: |
| return rc; |
| } |
| |
| /** PCI commands */ |
| struct command pci_commands[] __command = { |
| { |
| .name = "pciscan", |
| .exec = pciscan_exec, |
| }, |
| }; |