Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / ipxe / src / hci / commands / param_cmd.c

diff --git a/qemu/roms/ipxe/src/hci/commands/param_cmd.c b/qemu/roms/ipxe/src/hci/commands/param_cmd.c
new file mode 100644 (file)
index 0000000..6cf096d
--- /dev/null
+++ b/qemu/roms/ipxe/src/hci/commands/param_cmd.c
@@ -0,0 +1,163 @@
+/*
+ * 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.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+/** @file
+ *
+ * Form parameter commands
+ *
+ */
+
+#include <stdlib.h>
+#include <errno.h>
+#include <getopt.h>
+#include <ipxe/params.h>
+#include <ipxe/parseopt.h>
+#include <ipxe/command.h>
+
+/** "params" options */
+struct params_options {
+       /** Name */
+       char *name;
+       /** Delete */
+       int delete;
+};
+
+/** "params" option list */
+static struct option_descriptor params_opts[] = {
+       OPTION_DESC ( "name", 'n', required_argument,
+                     struct params_options, name, parse_string ),
+       OPTION_DESC ( "delete", 'd', no_argument,
+                     struct params_options, delete, parse_flag ),
+};
+
+/** "params" command descriptor */
+static struct command_descriptor params_cmd =
+       COMMAND_DESC ( struct params_options, params_opts, 0, 0, NULL );
+
+/**
+ * The "params" command
+ *
+ * @v argc             Argument count
+ * @v argv             Argument list
+ * @ret rc             Return status code
+ */
+static int params_exec ( int argc, char **argv ) {
+       struct params_options opts;
+       struct parameters *params;
+       int rc;
+
+       /* Parse options */
+       if ( ( rc = parse_options ( argc, argv, &params_cmd, &opts ) ) != 0)
+               return rc;
+
+       /* Create parameter list */
+       params = create_parameters ( opts.name );
+       if ( ! params )
+               return -ENOMEM;
+
+       /* Destroy parameter list, if applicable */
+       if ( opts.delete ) {
+               claim_parameters ( params );
+               params_put ( params );
+       }
+
+       return 0;
+}
+
+/** "param" options */
+struct param_options {
+       /** Parameter list name */
+       char *params;
+};
+
+/** "param" option list */
+static struct option_descriptor param_opts[] = {
+       OPTION_DESC ( "params", 'p', required_argument,
+                     struct param_options, params, parse_string ),
+};
+
+/** "param" command descriptor */
+static struct command_descriptor param_cmd =
+       COMMAND_DESC ( struct param_options, param_opts, 1, MAX_ARGUMENTS,
+                      "<key> [<value>]" );
+
+/**
+ * The "param" command
+ *
+ * @v argc             Argument count
+ * @v argv             Argument list
+ * @ret rc             Return status code
+ */
+static int param_exec ( int argc, char **argv ) {
+       struct param_options opts;
+       char *key;
+       char *value;
+       struct parameters *params;
+       struct parameter *param;
+       int rc;
+
+       /* Parse options */
+       if ( ( rc = parse_options ( argc, argv, &param_cmd, &opts ) ) != 0 )
+               goto err_parse_options;
+
+       /* Parse key */
+       key = argv[optind];
+
+       /* Parse value */
+       value = concat_args ( &argv[ optind + 1 ] );
+       if ( ! value ) {
+               rc = -ENOMEM;
+               goto err_parse_value;
+       }
+
+       /* Identify parameter list */
+       if ( ( rc = parse_parameters ( opts.params, &params ) ) != 0 )
+               goto err_parse_parameters;
+
+       /* Add parameter */
+       param = add_parameter ( params, key, value );
+       if ( ! param ) {
+               rc = -ENOMEM;
+               goto err_add_parameter;
+       }
+
+       /* Success */
+       rc = 0;
+
+ err_add_parameter:
+ err_parse_parameters:
+       free ( value );
+ err_parse_value:
+ err_parse_options:
+       return rc;
+}
+
+/** Form parameter commands */
+struct command param_commands[] __command = {
+       {
+               .name = "params",
+               .exec = params_exec,
+       },
+       {
+               .name = "param",
+               .exec = param_exec,
+       },
+};