View source for TRACKLAYOUT

Track layout.

=== Type ===
 [[BYTE]]      bCommand
 [[USHORT]]    usHead
 USHORT    usCylinder
 USHORT    usFirstSector
 USHORT    cSectors
 struct {
   USHORT  usSectorNumber
   USHORT  usSectorSize
 } TrackTable[1];

==== C Declaration Method ====
typedef struct

=== Fields ===
;bCommand:Command information.
:Bit 0  If 0, the track layout contains nonconsecutive sectors or does not start with Sector 1. If set (1), the track layout starts with Sector 1 and contains only consecutive sectors. All other bits are reserved and must be set to 0.
;usHead:Physical head on the device that performs the operation.
;usCylinder:Cylinder to be written, read, or verified.
;usFirstSector:Logical sector number within the Track Layout Table that starts the I/O operation.
:All the sector numbers start with 0. For example the third sector is number 2.
;cSectors:Number of sectors to read, write, or verify.
:This value must be less than or equal to the maximum number number of sectors specified in the track table.
:The IOCtl subfunctions do not step heads or tracks.
;usSectorNumber:Sector number.
:There must be one usSectorNumber and usSectorSize in the track layout table for every sector, up to cSectors sectors.
;usSectorSize:Sector size.
:There must be one usSectorNumber and usSectorSize in the track layout table for every sector, up to cSectors sectors.

[[Category:Data type]]