tests/align_test

   1 #!/bin/bash
   2
   3 CRYPTSETUP="../src/cryptsetup"
   4 DEV=""
   5
   6 add_device() {
   7         modprobe scsi_debug $@
   8         DEV=/dev/$(grep scsi_debug /sys/block/*/device/model | cut -f4 -d /)
   9         sleep 2
  10         [ -b $DEV ] || exit 100
  11 }
  12
  13 cleanup() {
  14         udevadm settle
  15         rmmod scsi_debug 2>/dev/null
  16         sleep 2
  17 }
  18
  19 format() # key_bits expected [forced]
  20 {
  21         if [ -z "$3" ] ; then
  22                 echo -n "Formatting using topology info ($1 bits key)...."
  23                 echo xxx| $CRYPTSETUP luksFormat $DEV -q -s $1
  24         else
  25                 echo -n "Formatting using forced offset $3 ($1 bits key)..."
  26                 echo xxx| $CRYPTSETUP luksFormat $DEV -q -s $1 --align-payload=$2
  27         fi
  28
  29         ALIGN=$($CRYPTSETUP luksDump $DEV |grep "Payload offset" | sed -e s/.*\\t//)
  30         #echo "ALIGN = $ALIGN"
  31
  32         if [ $ALIGN -ne $2 ] ; then
  33                 echo "FAIL"
  34                 echo "Expected alignment differs: expected $2 != detected $ALIGN"
  35                 exit 100
  36         fi
  37         echo "PASSED"
  38 }
  39
  40 modprobe --dry-run scsi_debug || exit 0
  41 cleanup
  42
  43 echo "# Create desktop-class 4K drive"
  44 echo "# (logical_block_size=512, physical_block_size=4096, alignment_offset=0)"
  45 add_device dev_size_mb=16 sector_size=512 physblk_exp=3 num_tgts=1
  46 format 256 2112
  47 format 128 1088
  48 format 256 8192 8192
  49 format 128 8192 8192
  50 cleanup
  51
  52 echo "# Create desktop-class 4K drive w/ 63-sector DOS partition compensation"
  53 echo "# (logical_block_size=512, physical_block_size=4096, alignment_offset=3584)"
  54 add_device dev_size_mb=16 sector_size=512 physblk_exp=3 lowest_aligned=7 num_tgts=1
  55 format 256 2119
  56 format 128 1095
  57 cleanup
  58
  59 echo "# Create enterprise-class 4K drive"
  60 echo "# (logical_block_size=4096, physical_block_size=4096, alignment_offset=0)"
  61 add_device dev_size_mb=16 sector_size=4096 num_tgts=1
  62 format 256 2560
  63 format 128 1536
  64 cleanup
  65
  66 echo "# Create classic 512b drive and stack dm-linear"
  67 echo "# (logical_block_size=512, physical_block_size=512, alignment_offset=0)"
  68 add_device dev_size_mb=16 sector_size=512 num_tgts=1
  69 DEV2=$DEV
  70 DEV=/dev/mapper/luks0xbabe
  71 dmsetup create luks0xbabe --table "0 32768 linear $DEV2 0"
  72 format 256 2112
  73 format 128 1088
  74 format 128 8192 8192
  75 dmsetup remove luks0xbabe
  76 cleanup