This is xnu-11215.1.10. See this file in:
/*!
 * @header
 * Categorized AP chip environments. These are now defunct.
 */
#ifndef __IMG4_CHIP_AP_CATEGORY_H
#define __IMG4_CHIP_AP_CATEGORY_H

#ifndef __IMG4_INDIRECT
#error "Please #include <img4/firmware.h> instead of this file directly"
#endif // __IMG4_INDIRECT

__BEGIN_DECLS
OS_ASSUME_NONNULL_BEGIN
OS_ASSUME_PTR_ABI_SINGLE_BEGIN

/*!
 * @const IMG4_CHIP_AP_CATEGORY_FF02
 * The Application Processor on an Intel Mac product.
 *
 * This chip environment represents one unique instance of such a chip, though
 * the uniqueness is not enforced by a secure boot chain with anti-replay
 * properties, and therefore this chip environment should be considered as
 * equivalent to a global signing environment.
 */
#if !XNU_KERNEL_PRIVATE
IMG4_API_AVAILABLE_20210305
OS_EXPORT
const img4_chip_t _img4_chip_ap_category_ff02;
#define IMG4_CHIP_AP_CATEGORY_FF02 (&_img4_chip_ap_category_ff02)
#else
#define IMG4_CHIP_AP_CATEGORY_FF02 (img4if->i4if_v12.chip_ap_category_ff02)
#endif

/*!
 * @const IMG4_CHIP_AP_CATEGORY_FF03
 * An Intel x86 processor whose chain of trust is rooted in an instance of a
 * {@link IMG4_CHIP_AP_SHA2_384} chip.
 *
 * This chip environment represents one unique instance of such a chip pair.
 */
#if !XNU_KERNEL_PRIVATE
IMG4_API_AVAILABLE_20210305
OS_EXPORT
const img4_chip_t _img4_chip_ap_category_ff03;
#define IMG4_CHIP_AP_CATEGORY_FF03 (&_img4_chip_ap_category_ff03)
#else
#define IMG4_CHIP_AP_CATEGORY_FF03 (img4if->i4if_v12.chip_ap_category_ff03)
#endif

/*!
 * @const IMG4_CHIP_AP_CATEGORY_FF04_F0
 * The Application Processor of an Apple ARM SoC in an Apple Silicon Mac
 * product.
 *
 * This chip environment represents one unique instance of such a chip.
 */
#if !XNU_KERNEL_PRIVATE
IMG4_API_AVAILABLE_20210305
OS_EXPORT
const img4_chip_t _img4_chip_ap_category_ff04_f0;
#define IMG4_CHIP_AP_CATEGORY_FF04_F0 (&_img4_chip_ap_category_ff04_f0)
#else
#define IMG4_CHIP_AP_CATEGORY_FF04_F0 \
		(img4if->i4if_v12.chip_ap_category_ff04_f0)
#endif

/*!
 * @const IMG4_CHIP_AP_CATEGORY_FF04_F1
 * The Application Processor of an Apple ARM SoC in an iPhone, iPad, or iPod
 * touch product.
 *
 * This chip environment represents one unique instance of such a chip.
 */
#if !XNU_KERNEL_PRIVATE
IMG4_API_AVAILABLE_20210305
OS_EXPORT
const img4_chip_t _img4_chip_ap_category_ff04_f1;
#define IMG4_CHIP_AP_CATEGORY_FF04_F1 (&_img4_chip_ap_category_ff04_f1)
#else
#define IMG4_CHIP_AP_CATEGORY_FF04_F1 \
		(img4if->i4if_v12.chip_ap_category_ff04_f1)
#endif

/*!
 * @const IMG4_CHIP_AP_CATEGORY_FF04_F2
 * The Application Processor of an Apple ARM SoC in an watch product.
 *
 * This chip environment represents one unique instance of such a chip.
 */
#if !XNU_KERNEL_PRIVATE
IMG4_API_AVAILABLE_20210305
OS_EXPORT
const img4_chip_t _img4_chip_ap_category_ff04_f2;
#define IMG4_CHIP_AP_CATEGORY_FF04_F2 (&_img4_chip_ap_category_ff04_f2)
#else
#define IMG4_CHIP_AP_CATEGORY_FF04_F2 \
		(img4if->i4if_v12.chip_ap_category_ff04_f2)
#endif

/*!
 * @const IMG4_CHIP_AP_CATEGORY_FF04_F3
 * The Application Processor of an Apple ARM SoC in an tv or HomePod product.
 *
 * This chip environment represents one unique instance of such a chip.
 */
#if !XNU_KERNEL_PRIVATE
IMG4_API_AVAILABLE_20210305
OS_EXPORT
const img4_chip_t _img4_chip_ap_category_ff04_f3;
#define IMG4_CHIP_AP_CATEGORY_FF04_F3 (&_img4_chip_ap_category_ff04_f3)
#else
#define IMG4_CHIP_AP_CATEGORY_FF04_F3 \
		(img4if->i4if_v12.chip_ap_category_ff04_f3)
#endif

OS_ASSUME_PTR_ABI_SINGLE_END
OS_ASSUME_NONNULL_END
__END_DECLS

#endif // __IMG4_CHIP_AP_CATEGORY_H