vmcp/vmcp.h

   1 /*
   2  * vmcp
   3  * Author: Christian Borntraeger <cborntra@de.ibm.com>
   4  *
   5  * Copyright IBM Corp. 2005, 2006.
   6  *
   7  * Definitions used by vmcp.
   8  */
   9
  10
  11 #ifndef __vmcp_h__
  12 #define __vmcp_h__
  13
  14 #include <getopt.h>
  15 #include <sys/ioctl.h>
  16 #include "../include/zt_common.h"
  17
  18 #define DEVICE_NODE "/dev/vmcp"
  19
  20 #define VMCP_GETCODE _IOR(0x10, 1, int)
  21 #define VMCP_SETBUF _IOW(0x10, 2, int)
  22 #define VMCP_GETSIZE _IOR(0x10, 3, int)
  23
  24 #define MAXBUFFER 1048576
  25 #define MINBUFFER 4096
  26 #define MAXCMDLEN 240
  27
  28 #define VMCP_OK 0
  29 #define VMCP_CP 1
  30 #define VMCP_BUF 2
  31 #define VMCP_LIN 3
  32 #define VMCP_OPT 4
  33
  34 static struct option options[] = {
  35         {"help", no_argument, NULL, 'h'},
  36         {"version", no_argument, NULL, 'v'},
  37         {"keepcase", no_argument, NULL, 'k'},
  38         {"buffer", required_argument, NULL, 'b'},
  39         {NULL, 0, NULL, 0}
  40 };
  41
  42 static const char opt_string[] = "+hvkb:";
  43
  44 static const char help_text[] =
  45     "Usage:\n"
  46     "vmcp [-k] [-b <size>] command\n"
  47     "vmcp [-h|-v]\n\n"
  48     "Options:\n"
  49     "-h or --help     :Print usage information, then exit\n"
  50     "-v or --version  :Print version information, then exit\n"
  51     "-k or --keepcase :Using this option, vmcp does not convert the command\n"
  52     "                  to uppercase. The default is to translate the command\n"
  53     "                  string.\n"
  54     "-b <size> or     :defines the buffer size for the response\n"
  55     "--buffer=<size>   valid values are from 4096 to 1048576 bytes\n"
  56     "                  the k and M suffixes are also supported\n";
  57 #endif