Module driver:partition - Partition table driver

Index

• Channel type CT.PARTITION - Channel-type for the partition device (accessed via IOCTL.PARTITION.OPENIF)
• Constant IBMPC.PTYPE.TABLE - IBM PC partition types (subset)
• Protocol P.PARTITION.IN - Used for controlling/configuring block device partitions
  
  • Tag list.partitions - List partitions, responds with 'list' then 'ok'
  • Tag open.partition - Open a specific partition
  • Tag probe.device - Probe specified device for partitions, and create new block devices
• Protocol P.PARTITION.OUT - Returned data from partition device
  
  • Tag device.opened - Successfully opened partition device
  • Tag list - Device name
  • Tag ok - Generic ok / end-of-list
  • Tag result - Generic result
• Record PENTRY.IBMPC - Partition table entry for IBM PC
  
  • Variable e.cl - Ending cylinder low bits
  • Variable e.head - Ending head number for CHS
  • Variable e.sec.ch - Ending sector (bits 0-6) and cylinder bits 8-9 (6-7)
  • Variable n.blocks - Number of blocks
  • Variable s.cl - Starting cylinder low bits
  • Variable s.head - Starting head number for CHS
  • Variable s.lba - LBA of first sector
  • Variable s.sec.ch - Starting sector (bits 0-5) and cylinder bits 8-9 (6-7)
  • Variable status - 0x80 = bootable, 0x00 = non-bootable, anything else = invalid
  • Variable type - Partition type
• Record PTYPE.DESC - Partition type descriptor
  
  • Variable id - ID byte
  • Variable name - Descriptive name
  • Variable name.len - Significant characters in 'name'

Declarations