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v1_disk_dev_info_t(9s)


NAME

  v1_disk_dev_info_t - Disk: Stores disk information for the DEVGETINFO ioctl
  command


SYNOPSIS

       typedef struct v1_disk_dev_info {
	   ulong_t status;
	   ulong_t capacity;
	   ulong_t blocksz;
	   uchar_t class;
	   uchar_t part_num;
	   uchar_t raid_level;
	   uchar_t pad0;
	   ushort_t media_changes;
	   ushort_t pad1;
	   union {
	       struct {
		   uchar_t density_code;
		   uchar_t flags;
	       } scsi;
	       uchar_t archdata[DEV_ARCH_LEN];
	   } arch;
       } v1_disk_dev_info_t;


MEMBERS

  status
      Specifies the device status, such as ready, off line, or removable.

  capacity
      Specifies the number of blocks on the device.

  blocksz
      Specifies the number of bytes per block.

  class
      Specifies the disk class. See the DESCRIPTION section for the class
      constants defined for disks.

  part_num
      Specifies the partition number on the disk.

  raid_level
      Specifies the raid level of the media.

  pad0
      Specifies a reserved member.

  media_changes
      Specifies the number of times the media has changed (for removable
      media only).

  pad1
      Specifies a reserved member.

  arch
      Defines a union of architecture-specific information, either SCSI-
      specific information or a character string.


DESCRIPTION

  The v1_disk_dev_info_t structure contains information regarding the status
  of the device that is passed to the DEVGETINFO ioctl command.

  The following are disk class constants associated with the classes are
  defined for disks and are set in the class member:

  DKDEV_CLS_UNKNOWN
      Unknown class

  DKDEV_CLS_HARDDISK
      Hard disk

  DKDEV_CLS_FLPY_GENERIC
      Floppy diskette with no known density

  DKDEV_CLS_FLPY_3_DD2S
      3.5", 720KB, DD, 2-sided, 9 sectors

  DKDEV_CLS_FLPY_3_HD2S
      3.5", 1.44MB, HD, 2-sided, 18 sectors

  DKDEV_CLS_FLPY_3_ED2S
      3.5", 2.88MB, ED, 2-sided, 36 sectors

  DKDEV_CLS_FLPY_5_LD2S
      5.25", 360KB, LD, 2-sided, 9 sectors

  DKDEV_CLS_FLPY_5_DD1S
      5.25", 400KB, DD, 1-sided, 10 sectors

  DKDEV_CLS_FLPY_5_DD2S
      5.25", 720KB, DD, 2-sided, 9 sectors

  DKDEV_CLS_FLPY_5_HD2S
      5.25", 1.2MB, HD, 2-side, 15 sectors

  DKDEV_CLS_CDROM
      CD-ROM

  DKDEV_CLS_WORM
      Write once, read many times


FILES

  <io/common/devgetinfo.h>


SEE ALSO

  Data Structures: v1_devtype_info_t(9s)

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