| /* SPDX-License-Identifier: BSD-2-Clause */ |
| /* |
| * Copyright (C) 2018, Linaro Limited |
| */ |
| |
| #ifndef __RNG_PTA_CLIENT_H |
| #define __RNG_PTA_CLIENT_H |
| |
| #define PTA_RNG_UUID { 0xab7a617c, 0xb8e7, 0x4d8f, \ |
| { 0x83, 0x01, 0xd0, 0x9b, 0x61, 0x03, 0x6b, 0x64 } } |
| |
| #define TEE_ERROR_HEALTH_TEST_FAIL 0x00000001 |
| |
| /* |
| * PTA_CMD_GET_ENTROPY - Get Entropy from RNG using Thermal Sensor |
| * |
| * param[0] (inout memref) - Entropy buffer memory reference |
| * param[1] unused |
| * param[2] unused |
| * param[3] unused |
| * |
| * Result: |
| * TEE_SUCCESS - Invoke command success |
| * TEE_ERROR_BAD_PARAMETERS - Incorrect input param |
| * TEE_ERROR_NOT_SUPPORTED - Requested entropy size greater than size of pool |
| * TEE_ERROR_HEALTH_TEST_FAIL - Continuous health testing failed |
| */ |
| #define PTA_CMD_GET_ENTROPY 0x0 |
| |
| /* |
| * PTA_CMD_GET_RNG_INFO - Get RNG information |
| * |
| * param[0] (out value) - value.a: RNG data-rate in bytes per second |
| * value.b: Quality/Entropy per 1024 bit of data |
| * param[1] unused |
| * param[2] unused |
| * param[3] unused |
| * |
| * Result: |
| * TEE_SUCCESS - Invoke command success |
| * TEE_ERROR_BAD_PARAMETERS - Incorrect input param |
| */ |
| #define PTA_CMD_GET_RNG_INFO 0x1 |
| |
| #endif /* __RNG_PTA_CLIENT_H */ |
