| Antonio Nino Diaz | 35c8cfc | 2018-04-23 15:43:29 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #ifndef SMCCC_V2_H |
| 8 | #define SMCCC_V2_H |
| 9 | |
| 10 | #ifndef __SMCCC_H__ |
| 11 | #error "This file must only be included from smccc.h" |
| 12 | #endif |
| 13 | |
| 14 | /******************************************************************************* |
| 15 | * Bit definitions inside the function id as per the SMC calling convention |
| 16 | ******************************************************************************/ |
| 17 | #define FUNCID_TYPE_SHIFT U(31) |
| 18 | #define FUNCID_TYPE_MASK U(0x1) |
| 19 | #define FUNCID_TYPE_WIDTH U(1) |
| 20 | |
| 21 | #define FUNCID_CC_SHIFT U(30) |
| 22 | #define FUNCID_CC_MASK U(0x1) |
| 23 | #define FUNCID_CC_WIDTH U(1) |
| 24 | |
| 25 | #define FUNCID_NAMESPACE_SHIFT U(28) |
| 26 | #define FUNCID_NAMESPACE_MASK U(0x3) |
| 27 | #define FUNCID_NAMESPACE_WIDTH U(2) |
| 28 | |
| 29 | #define FUNCID_OEN_SHIFT U(24) |
| 30 | #define FUNCID_OEN_MASK U(0xf) |
| 31 | #define FUNCID_OEN_WIDTH U(4) |
| 32 | |
| 33 | #define FUNCID_NUM_SHIFT U(0) |
| 34 | #define FUNCID_NUM_MASK U(0xffff) |
| 35 | #define FUNCID_NUM_WIDTH U(16) |
| 36 | |
| 37 | #define GET_SMC_TYPE(id) (((id) >> FUNCID_TYPE_SHIFT) & \ |
| 38 | FUNCID_TYPE_MASK) |
| 39 | #define GET_SMC_CC(id) (((id) >> FUNCID_CC_SHIFT) & \ |
| 40 | FUNCID_CC_MASK) |
| 41 | #define GET_SMC_NAMESPACE(id) (((id) >> FUNCID_NAMESPACE_SHIFT) & \ |
| 42 | FUNCID_NAMESPACE_MASK) |
| 43 | #define GET_SMC_OEN(id) (((id) >> FUNCID_OEN_SHIFT) & \ |
| 44 | FUNCID_OEN_MASK) |
| 45 | |
| 46 | /******************************************************************************* |
| 47 | * Owning entity number definitions inside the function id as per the SMC |
| 48 | * calling convention |
| 49 | ******************************************************************************/ |
| 50 | #define OEN_ARM_START U(0) |
| 51 | #define OEN_ARM_END U(0) |
| 52 | #define OEN_CPU_START U(1) |
| 53 | #define OEN_CPU_END U(1) |
| 54 | #define OEN_SIP_START U(2) |
| 55 | #define OEN_SIP_END U(2) |
| 56 | #define OEN_OEM_START U(3) |
| 57 | #define OEN_OEM_END U(3) |
| 58 | #define OEN_STD_START U(4) /* Standard Service Calls */ |
| 59 | #define OEN_STD_END U(4) |
| 60 | #define OEN_STD_HYP_START U(5) /* Standard Hypervisor Service calls */ |
| 61 | #define OEN_STD_HYP_END U(5) |
| 62 | #define OEN_VEN_HYP_START U(6) /* Vendor Hypervisor Service calls */ |
| 63 | #define OEN_VEN_HYP_END U(6) |
| 64 | #define OEN_LIMIT U(16) |
| 65 | |
| 66 | /******************************************************************************* |
| 67 | * Service namespaces as per the SMC Calling Convention v2.X |
| 68 | ******************************************************************************/ |
| 69 | #define FUNCID_NAMESPACE_START U(0) |
| 70 | #define FUNCID_NAMESPACE_COMPAT U(0) |
| 71 | #define FUNCID_NAMESPACE_VENDOR U(1) |
| 72 | #define FUNCID_NAMESPACE_SPRT U(2) |
| 73 | #define FUNCID_NAMESPACE_SPCI U(3) |
| 74 | #define FUNCID_NAMESPACE_LIMIT U(4) |
| 75 | |
| 76 | /* Flags and error codes */ |
| 77 | #define SMC_64 U(1) |
| 78 | #define SMC_32 U(0) |
| 79 | |
| 80 | #define SMC_TYPE_FAST ULL(1) |
| 81 | |
| 82 | #define SMC_OK ULL(0) |
| 83 | #define SMC_UNK -1 |
| 84 | |
| 85 | #endif /* SMCCC_V2_H */ |