cp/shell/cmd_system.c

   1 /*
   2  * (C) Copyright 2007-2011  Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
   3  *
   4  * This file is released under the GPLv2.  See the COPYING file for more
   5  * details.
   6  */
   7
   8 #include <ebcdic.h>
   9 #include <binfmt_elf.h>
  10 #include <bcache.h>
  11 #include <edf.h>
  12
  13 /*
  14  *!!! IPL
  15  *!! SYNTAX
  16  *! \tok{\sc IPL} <vdev>
  17  *!! XATNYS
  18  *!! AUTH G
  19  *!! PURPOSE
  20  *! Perform a ...
  21  *!! NOTES
  22  *! \item Not yet implemented.
  23  *!! SETON
  24  */
  25 static int cmd_ipl(struct virt_sys *sys, char *cmd, int len)
  26 {
  27         u64 vdevnum = 0;
  28         char *c;
  29
  30         SHELL_CMD_AUTH(sys, G);
  31
  32         /* get IPL vdev # */
  33         c = __extract_hex(cmd, &vdevnum);
  34         if (IS_ERR(c))
  35                 goto nss;
  36
  37         /* device numbers are 16-bits */
  38         if (vdevnum & ~0xffff)
  39                 goto nss;
  40
  41         /* find the virtual device */
  42
  43 #if 0
  44         for_each_vdev(sys, vdev)
  45                 if (vdev->pmcw.dev_num == (u16) vdevnum) {
  46                         ret = guest_ipl_nss(sys, "ipldev");
  47                         if (ret)
  48                                 return ret;
  49
  50                         assert(0);
  51
  52                         return -EINVAL;
  53                 }
  54 #endif
  55
  56 nss:
  57         /* device not found */
  58         return guest_ipl_nss(sys, cmd);
  59 }
  60
  61 /*!!! SYSTEM CLEAR
  62  *!! SYNTAX
  63  *! \tok{\sc SYStem} \tok{\sc CLEAR}
  64  *!! XATNYS
  65  *!! AUTH G
  66  *!! PURPOSE
  67  *! Identical to reset-clear button on a real mainframe.
  68  *
  69  *!!! SYSTEM RESET
  70  *!p >>--SYSTEM--RESET-------------------------------------------------------------><
  71  *!! SYNTAX
  72  *! \tok{\sc SYStem} \tok{\sc RESET}
  73  *!! XATNYS
  74  *!! AUTH G
  75  *!! PURPOSE
  76  *! Identical to reset-normal button on a real mainframe.
  77  *
  78  *!!! SYSTEM RESTART
  79  *!! SYNTAX
  80  *! \tok{\sc SYStem} \tok{\sc RESTART}
  81  *!! XATNYS
  82  *!! AUTH G
  83  *!! PURPOSE
  84  *! Perform a restart operation.
  85  *!! NOTES
  86  *! \item Not yet implemented.
  87  *!! SETON
  88  *
  89  *!!! SYSTEM STORE
  90  *!! SYNTAX
  91  *! \tok{\sc SYStem} \tok{\sc STORE}
  92  *!! XATNYS
  93  *!! AUTH G
  94  *!! PURPOSE
  95  *! Perform a ...
  96  *!! NOTES
  97  *! \item Not yet implemented.
  98  *!! SETON
  99  */
 100 static int cmd_system(struct virt_sys *sys, char *cmd, int len)
 101 {
 102         SHELL_CMD_AUTH(sys, G);
 103
 104         if (!strcasecmp(cmd, "CLEAR")) {
 105                 guest_system_reset_clear(sys);
 106                 con_printf(sys->con, "STORAGE CLEARED - SYSTEM RESET\n");
 107         } else if (!strcasecmp(cmd, "RESET")) {
 108                 guest_system_reset_normal(sys);
 109                 con_printf(sys->con, "SYSTEM RESET\n");
 110         } else if (!strcasecmp(cmd, "RESTART")) {
 111                 con_printf(sys->con, "SYSTEM RESTART is not yet supported\n");
 112         } else if (!strcasecmp(cmd, "STORE")) {
 113                 con_printf(sys->con, "SYSTEM STORE is not yet supported\n");
 114         } else
 115                 con_printf(sys->con, "SYSTEM: Unknown variable '%s'\n", cmd);
 116
 117         return 0;
 118 }