USB_DEVICE_CAPABILITY_FIRMWARE_STATUS_DESCRIPTOR structure (usbspec.h)

  • Article

Pour plus d’informations sur les descriptions, consultez USB the 3.2 ENGINEERING CHANGE NOTICE inclus dans la spécification USB 3.2.

Syntaxe

typedef struct _USB_DEVICE_CAPABILITY_FIRMWARE_STATUS_DESCRIPTOR {
  UCHAR bLength;
  UCHAR bDescriptorType;
  UCHAR bDevCapabilityType;
  UCHAR bcdDescriptorVersion;
  union {
    ULONG AsUlong;
    struct {
      ULONG GetFirmwareImageHashSupport : 1;
      ULONG DisallowFirmwareUpdateSupport : 1;
      ULONG Reserved : 30;
    };
  } bmAttributes;
} USB_DEVICE_CAPABILITY_FIRMWARE_STATUS_DESCRIPTOR, *PUSB_DEVICE_CAPABILITY_FIRMWARE_STATUS_DESCRIPTOR;

Membres

bLength

bDescriptorType

bDevCapabilityType

bcdDescriptorVersion

bmAttributes

bmAttributes.AsUlong

bmAttributes.GetFirmwareImageHashSupport

bmAttributes.DisallowFirmwareUpdateSupport

bmAttributes.Reserved

Configuration requise

Condition requise Valeur
En-tête usbspec.h