1 /* SPDX-License-Identifier: BSD-2-Clause */ 2 /* 3 * Copyright (C) 2018, Linaro Limited 4 */ 5 6 #ifndef __RNG_PTA_CLIENT_H 7 #define __RNG_PTA_CLIENT_H 8 9 #define PTA_RNG_UUID { 0xab7a617c, 0xb8e7, 0x4d8f, \ 10 { 0x83, 0x01, 0xd0, 0x9b, 0x61, 0x03, 0x6b, 0x64 } } 11 12 #define TEE_ERROR_HEALTH_TEST_FAIL 0x00000001 13 14 /* 15 * PTA_CMD_GET_ENTROPY - Get Entropy from RNG using Thermal Sensor 16 * 17 * param[0] (inout memref) - Entropy buffer memory reference 18 * param[1] unused 19 * param[2] unused 20 * param[3] unused 21 * 22 * Result: 23 * TEE_SUCCESS - Invoke command success 24 * TEE_ERROR_BAD_PARAMETERS - Incorrect input param 25 * TEE_ERROR_NOT_SUPPORTED - Requested entropy size greater than size of pool 26 * TEE_ERROR_HEALTH_TEST_FAIL - Continuous health testing failed 27 */ 28 #define PTA_CMD_GET_ENTROPY 0x0 29 30 /* 31 * PTA_CMD_GET_RNG_INFO - Get RNG information 32 * 33 * param[0] (out value) - value.a: RNG data-rate in bytes per second 34 * value.b: Quality/Entropy per 1024 bit of data 35 * param[1] unused 36 * param[2] unused 37 * param[3] unused 38 * 39 * Result: 40 * TEE_SUCCESS - Invoke command success 41 * TEE_ERROR_BAD_PARAMETERS - Incorrect input param 42 */ 43 #define PTA_CMD_GET_RNG_INFO 0x1 44 45 #endif /* __RNG_PTA_CLIENT_H */ 46