// sffdisk.h

typedef enum {
  SFFDISK_DC_GET_VERSION,
  SFFDISK_DC_LOCK_CHANNEL,
  SFFDISK_DC_UNLOCK_CHANNEL,
  SFFDISK_DC_DEVICE_COMMAND
} SFFDISK_DCMD;
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Windows Driver Kit DDI reference (ne-sffdisk-sffdisk_dcmd)

SFFDISK_DCMD enumeration

Description

The SFFDISK_DCMD enumeration identifies the type of Secure Digital (SD) card operation.

Constants

`SFFDISK_DC_GET_VERSION`

The operations retrieves the version of the card.

`SFFDISK_DC_LOCK_CHANNEL`

The operation locks the interface channel.

`SFFDISK_DC_UNLOCK_CHANNEL`

The operation unlocks the interface channel.

`SFFDISK_DC_DEVICE_COMMAND`

The operation executes a device command.

Remarks

Applications that submit IOCTL_SFFDISK_DEVICE_COMMAND requests to the SD stack use this enumeration to specify the type of operation. The application must assign one of the values of this enumeration to the Command member of the SFFDISK_DEVICE_COMMAND_DATA structure.

SFFDISK_DCMD - NtDoc