1 /* SPDX-License-Identifier: BSD-2-Clause */ 2 /* Copyright (c) 2018, Linaro Limited */ 3 4 #ifndef __TA_AVB_H 5 #define __TA_AVB_H 6 7 #define TA_AVB_UUID { 0x023f8f1a, 0x292a, 0x432b, \ 8 { 0x8f, 0xc4, 0xde, 0x84, 0x71, 0x35, 0x80, 0x67 } } 9 10 #define TA_AVB_MAX_ROLLBACK_LOCATIONS 256 11 12 /* 13 * Gets the rollback index corresponding to the given rollback index slot. 14 * 15 * in params[0].value.a: rollback index slot 16 * out params[1].value.a: upper 32 bits of rollback index 17 * out params[1].value.b: lower 32 bits of rollback index 18 */ 19 #define TA_AVB_CMD_READ_ROLLBACK_INDEX 0 20 21 /* 22 * Updates the rollback index corresponding to the given rollback index slot. 23 * 24 * Will refuse to update a slot with a lower value. 25 * 26 * in params[0].value.a: rollback index slot 27 * in params[1].value.a: upper 32 bits of rollback index 28 * in params[1].value.b: lower 32 bits of rollback index 29 */ 30 #define TA_AVB_CMD_WRITE_ROLLBACK_INDEX 1 31 32 /* 33 * Gets the lock state of the device. 34 * 35 * out params[0].value.a: lock state 36 */ 37 #define TA_AVB_CMD_READ_LOCK_STATE 2 38 39 /* 40 * Sets the lock state of the device. 41 * 42 * If the lock state is changed all rollback slots will be reset to 0 43 * 44 * in params[0].value.a: lock state 45 */ 46 #define TA_AVB_CMD_WRITE_LOCK_STATE 3 47 48 /* 49 * Reads a persistent value corresponding to the given name. 50 * 51 * in params[0].memref: persistent value name 52 * out params[1].memref: read persistent value buffer 53 */ 54 #define TA_AVB_CMD_READ_PERSIST_VALUE 4 55 56 /* 57 * Writes a persistent value corresponding to the given name. 58 * 59 * in params[0].memref: persistent value name 60 * in params[1].memref: persistent value buffer to write 61 */ 62 #define TA_AVB_CMD_WRITE_PERSIST_VALUE 5 63 64 #endif /*__TA_AVB_H*/ 65