1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * android_vendor.h - Android vendor data 4 * 5 * Copyright 2020 Google LLC 6 * 7 * These macros are to be used to reserve space in kernel data structures 8 * for use by vendor modules. 9 * 10 * These macros should be used before the kernel abi is "frozen". 11 * Fields can be added to various kernel structures that need space 12 * for functionality implemented in vendor modules. The use of 13 * these fields is vendor specific. 14 */ 15 #ifndef _ANDROID_VENDOR_H 16 #define _ANDROID_VENDOR_H 17 18 /* 19 * ANDROID_VENDOR_DATA 20 * Reserve some "padding" in a structure for potential future use. 21 * This normally placed at the end of a structure. 22 * number: the "number" of the padding variable in the structure. Start with 23 * 1 and go up. 24 * 25 * ANDROID_VENDOR_DATA_ARRAY 26 * Same as ANDROID_VENDOR_DATA but allocates an array of u64 with 27 * the specified size 28 */ 29 #define ANDROID_VENDOR_DATA(n) u64 android_vendor_data##n 30 #define ANDROID_VENDOR_DATA_ARRAY(n, s) u64 android_vendor_data##n[s] 31 32 #define ANDROID_OEM_DATA(n) u64 android_oem_data##n 33 #define ANDROID_OEM_DATA_ARRAY(n, s) u64 android_oem_data##n[s] 34 35 #endif /* _ANDROID_VENDOR_H */ 36