diff options
author | 2015-08-28 09:58:54 +0800 | |
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committer | 2015-09-01 12:44:00 +0800 | |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/ipxe/src/hci/commands/sanboot_cmd.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/ipxe/src/hci/commands/sanboot_cmd.c')
-rw-r--r-- | qemu/roms/ipxe/src/hci/commands/sanboot_cmd.c | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/qemu/roms/ipxe/src/hci/commands/sanboot_cmd.c b/qemu/roms/ipxe/src/hci/commands/sanboot_cmd.c new file mode 100644 index 000000000..5954b6326 --- /dev/null +++ b/qemu/roms/ipxe/src/hci/commands/sanboot_cmd.c @@ -0,0 +1,193 @@ +/* + * Copyright (C) 2010 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. + */ + +#include <stdio.h> +#include <string.h> +#include <errno.h> +#include <getopt.h> +#include <ipxe/command.h> +#include <ipxe/parseopt.h> +#include <ipxe/uri.h> +#include <ipxe/sanboot.h> +#include <usr/autoboot.h> + +FILE_LICENCE ( GPL2_OR_LATER ); + +/** @file + * + * SAN commands + * + */ + +/** "sanboot" options */ +struct sanboot_options { + /** Drive number */ + unsigned int drive; + /** Do not describe SAN device */ + int no_describe; + /** Keep SAN device */ + int keep; +}; + +/** "sanboot" option list */ +static union { + /* "sanboot" takes all three options */ + struct option_descriptor sanboot[3]; + /* "sanhook" takes only --drive and --no-describe */ + struct option_descriptor sanhook[2]; + /* "sanunhook" takes only --drive */ + struct option_descriptor sanunhook[1]; +} opts = { + .sanboot = { + OPTION_DESC ( "drive", 'd', required_argument, + struct sanboot_options, drive, parse_integer ), + OPTION_DESC ( "no-describe", 'n', no_argument, + struct sanboot_options, no_describe, parse_flag ), + OPTION_DESC ( "keep", 'k', no_argument, + struct sanboot_options, keep, parse_flag ), + }, +}; + + +/** "sanhook" command descriptor */ +static struct command_descriptor sanhook_cmd = + COMMAND_DESC ( struct sanboot_options, opts.sanhook, 1, 1, + "<root-path>" ); + +/** "sanboot" command descriptor */ +static struct command_descriptor sanboot_cmd = + COMMAND_DESC ( struct sanboot_options, opts.sanboot, 0, 1, + "[<root-path>]" ); + +/** "sanunhook" command descriptor */ +static struct command_descriptor sanunhook_cmd = + COMMAND_DESC ( struct sanboot_options, opts.sanunhook, 0, 0, NULL ); + +/** + * The "sanboot", "sanhook" and "sanunhook" commands + * + * @v argc Argument count + * @v argv Argument list + * @v default_flags Default set of flags for uriboot() + * @v no_root_path_flags Additional flags to apply if no root path is present + * @ret rc Return status code + */ +static int sanboot_core_exec ( int argc, char **argv, + struct command_descriptor *cmd, + int default_flags, int no_root_path_flags ) { + struct sanboot_options opts; + const char *root_path; + struct uri *uri; + int flags; + int rc; + + /* Initialise options */ + memset ( &opts, 0, sizeof ( opts ) ); + opts.drive = san_default_drive(); + + /* Parse options */ + if ( ( rc = reparse_options ( argc, argv, cmd, &opts ) ) != 0 ) + goto err_parse_options; + + /* Parse root path, if present */ + if ( argc > optind ) { + root_path = argv[optind]; + uri = parse_uri ( root_path ); + if ( ! uri ) { + rc = -ENOMEM; + goto err_parse_uri; + } + } else { + root_path = NULL; + uri = NULL; + } + + /* Construct flags */ + flags = default_flags; + if ( opts.no_describe ) + flags |= URIBOOT_NO_SAN_DESCRIBE; + if ( opts.keep ) + flags |= URIBOOT_NO_SAN_UNHOOK; + if ( ! root_path ) + flags |= no_root_path_flags; + + /* Boot from root path */ + if ( ( rc = uriboot ( NULL, uri, opts.drive, flags ) ) != 0 ) + goto err_uriboot; + + err_uriboot: + uri_put ( uri ); + err_parse_uri: + err_parse_options: + return rc; +} + +/** + * The "sanhook" command + * + * @v argc Argument count + * @v argv Argument list + * @ret rc Return status code + */ +static int sanhook_exec ( int argc, char **argv ) { + return sanboot_core_exec ( argc, argv, &sanhook_cmd, + ( URIBOOT_NO_SAN_BOOT | + URIBOOT_NO_SAN_UNHOOK ), 0 ); +} + +/** + * The "sanboot" command + * + * @v argc Argument count + * @v argv Argument list + * @ret rc Return status code + */ +static int sanboot_exec ( int argc, char **argv ) { + return sanboot_core_exec ( argc, argv, &sanboot_cmd, + 0, URIBOOT_NO_SAN_UNHOOK ); +} + +/** + * The "sanunhook" command + * + * @v argc Argument count + * @v argv Argument list + * @ret rc Return status code + */ +static int sanunhook_exec ( int argc, char **argv ) { + return sanboot_core_exec ( argc, argv, &sanunhook_cmd, + ( URIBOOT_NO_SAN_DESCRIBE | + URIBOOT_NO_SAN_BOOT ), 0 ); +} + +/** SAN commands */ +struct command sanboot_commands[] __command = { + { + .name = "sanhook", + .exec = sanhook_exec, + }, + { + .name = "sanboot", + .exec = sanboot_exec, + }, + { + .name = "sanunhook", + .exec = sanunhook_exec, + }, +}; |