#include <stdio.h>
#include <string.h>
#include <getopt.h>
#include <gpxe/command.h>
#include <usr/autoboot.h>
FILE_LICENCE ( GPL2_OR_LATER );
/**
* "sanboot" command syntax message
*
* @v argv Argument list
*/
static void sanboot_syntax ( char **argv ) {
printf ( "Usage:\n"
" %s <root-path>\n"
"\n"
"Boot from SAN target\n",
argv[0] );
}
/**
* The "sanboot" command
*
* @v argc Argument count
* @v argv Argument list
* @ret rc Exit code
*/
static int sanboot_exec ( int argc, char **argv ) {
static struct option longopts[] = {
{ "help", 0, NULL, 'h' },
{ NULL, 0, NULL, 0 },
};
const char *root_path = NULL;
int c;
int rc;
/* Parse options */
while ( ( c = getopt_long ( argc, argv, "h", longopts, NULL ) ) >= 0 ){
switch ( c ) {
case 'h':
/* Display help text */
default:
/* Unrecognised/invalid option */
sanboot_syntax ( argv );
return 1;
}
}
/* Need exactly one image name remaining after the options */
if ( optind != ( argc - 1 ) ) {
sanboot_syntax ( argv );
return 1;
}
root_path = argv[optind];
/* Boot from root path */
if ( ( rc = boot_root_path ( root_path ) ) != 0 ) {
printf ( "Could not boot from %s: %s\n",
root_path, strerror ( rc ) );
return 1;
}
return 0;
}
struct command sanboot_command __command = {
.name = "sanboot",
.exec = sanboot_exec,
};