--- /dev/null
+/*
+ * 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,
+ },
+};
Code Review / kvmfornfv.git / blobdiff