Hard disk interfce mask enum

enum _PRL_HARD_DISK_IFACE_MASK {
  PIM_IDE_0_0 = (0x1L<<0),
  PIM_IDE_0_1 = (0x1L<<1),
  PIM_IDE_1_0 = (0x1L<<2),
  PIM_IDE_1_1 = (0x1L<<3),
  PIM_SCSI_0_0 = (0x1L<<4),
  PIM_SCSI_1_0 = (0x1L<<5),
  PIM_SCSI_2_0 = (0x1L<<6),
  PIM_SCSI_3_0 = (0x1L<<7),
  PIM_SCSI_4_0 = (0x1L<<8),
  PIM_SCSI_5_0 = (0x1L<<9),
  PIM_SCSI_6_0 = (0x1L<<10),
  PIM_SCSI_7_0 = (0x1L<<11),
  PIM_SCSI_8_0 = (0x1L<<12),
  PIM_SCSI_9_0 = (0x1L<<13),
  PIM_SCSI_10_0 = (0x1L<<14),
  PIM_SCSI_11_0 = (0x1L<<15),
  PIM_SCSI_12_0 = (0x1L<<16),
  PIM_SCSI_13_0 = (0x1L<<17),
  PIM_SCSI_14_0 = (0x1L<<18),
  PIM_SCSI_15_0 = (0x1L<<19),
  PIM_SATA_0_0 = (0x1L<<20),
  PIM_SATA_0_1 = (0x1L<<21),
  PIM_SATA_0_2 = (0x1L<<22),
  PIM_SATA_0_3 = (0x1L<<23),
  PIM_SATA_0_4 = (0x1L<<24),
  PIM_SATA_0_5 = (0x1L<<25),
  PIM_ALL_DISKS = ((0x1L<<26) - 1),
  PIM_COMPACT_DELAYED = (0x1L<<31),
  PIM_IDE_MASK_OFFSET = PIM_IDE_0_0,
  PIM_SCSI_MASK_OFFSET = PIM_SCSI_0_0,
  PIM_SATA_MASK_OFFSET = PIM_SATA_0_0
};