#
#
# osds.pm
# 
# Copyright (c) 2007, 2016, Oracle and/or its affiliates. All rights reserved.
#
#
#    NAME
#      osds_okadriverstate.pm - Linux OSD component of okadriverstate.pl.
#
#    DESCRIPTION
#        Purpose
#            Report if OKA drivers are installed and/or loaded
#
#
#    NOTES
#
#
#

use strict;
package osds_okadriverstate;
require Exporter;
our @ISA = qw(Exporter);
our @EXPORT = qw(
                 osds_oka_version
                 osds_validate_oka_drivers
                 );

use acfslib;
use osds_acfslib;
use okalib;
use osds_okalib;

# Get the currently installed  OKA driver version.
# The OS reported is the version that the driver was built with ($kversion).
#
sub osds_oka_version
{
  my ($kversion, $dversion) = lib_osds_get_current_installed_version();
  my ($arch) = `uname -i`;
  chomp($arch);

  if (!defined($kversion) || !defined($dversion))
  {
    # Kernel version and/or driver version not detected.
    lib_error_print_noalert(116, "Internal error.");
    exit 1;
  }

  my ($return_string) = "$kversion($arch)/$dversion";
 
  return $return_string;
}

sub osds_validate_oka_drivers
{
  my ($test_mode, $release, $version, $patchlevel, $arch) = @_;
  my ($type);
  my ($result);
  my ($my_kernel) = `uname -r`;
  chomp ($my_kernel);
  my ($my_platform) = `uname -p`;
  chomp ($my_platform);

  if ($test_mode)
  {
    if (($release =~ /EL/) || ($release =~ /SLES/))
    {
      $type = $release;
    }
    else
    {
      # test is for another OS.
      return "NOOP";
    }

    $my_kernel = $version;
    
    if ($release eq "EL5")
    {
      $release = "redhat-release-5";
    }
    elsif($release eq "EL6")
    {
      $release = "redhat-release-6";
    }
    elsif($release eq "SLES10")
    {
      $release = "sles-release-10";         
    }
    elsif($release eq "SLES11")
    {
      $release = "sles-release-11";         
    }
    $result = lib_osds_get_os_type($test_mode, $release, $version, $patchlevel);
    if ($result =~ /not supported/)
    {
      return USM_NOT_SUPPORTED;
    }

  }
  else
  {
    $type = lib_osds_get_os_type();
    if ($type =~ /not supported/)
    {
      return USM_NOT_SUPPORTED;
    }
  }


  $result = USM_SUPPORTED;

  if ($type =~ /EL/)
  {
    if ($type eq 'EL6')
    {
      if (($my_kernel =~ /^2.6.32-100/) && ($my_platform eq 'x86_64'))
      {
        $result = USM_SUPPORTED;
      }
    }
  }
  else
  {
    # Not expected to ever get here
    $result = USM_NOT_SUPPORTED;
  }

  return $result;
}