BIT21
#define EFI_ACPI_5_0_LOW_POWER_S0_IDLE_CAPABLE BIT21
#define EFI_ACPI_5_1_LOW_POWER_S0_IDLE_CAPABLE BIT21
#define EFI_ACPI_6_0_LOW_POWER_S0_IDLE_CAPABLE BIT21
#define EFI_ACPI_6_1_LOW_POWER_S0_IDLE_CAPABLE BIT21
#define EFI_ACPI_6_2_LOW_POWER_S0_IDLE_CAPABLE BIT21
#define EFI_ACPI_6_3_LOW_POWER_S0_IDLE_CAPABLE BIT21
#define EFI_ACPI_6_4_LOW_POWER_S0_IDLE_CAPABLE BIT21
#define EFI_IMAGE_SCN_ALIGN_2BYTES BIT21 ///< 0x00200000
#define EFI_IMAGE_SCN_ALIGN_4BYTES (BIT20|BIT21) ///< 0x00300000
#define EFI_IMAGE_SCN_ALIGN_32BYTES (BIT21|BIT22) ///< 0x00600000
#define EFI_IMAGE_SCN_ALIGN_64BYTES (BIT20|BIT21|BIT22) ///< 0x00700000
#define TPM_DELEGATE_CreateMaintenanceArchive (BIT21)
#define TPM_KEY_DELEGATE_EstablishTransport (BIT21)