Varun Wadekar | c1d2a28 | 2016-11-08 15:46:48 -0800 | [diff] [blame] | 1 | /* |
David Cunado | 2e36de8 | 2017-01-19 10:26:16 +0000 | [diff] [blame] | 2 | * Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved. |
Varun Wadekar | c1d2a28 | 2016-11-08 15:46:48 -0800 | [diff] [blame] | 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions are met: |
| 6 | * |
| 7 | * Redistributions of source code must retain the above copyright notice, this |
| 8 | * list of conditions and the following disclaimer. |
| 9 | * |
| 10 | * Redistributions in binary form must reproduce the above copyright notice, |
| 11 | * this list of conditions and the following disclaimer in the documentation |
| 12 | * and/or other materials provided with the distribution. |
| 13 | * |
| 14 | * Neither the name of ARM nor the names of its contributors may be used |
| 15 | * to endorse or promote products derived from this software without specific |
| 16 | * prior written permission. |
| 17 | * |
| 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 19 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 21 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| 22 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 23 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 24 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 25 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 26 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 27 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 28 | * POSSIBILITY OF SUCH DAMAGE. |
| 29 | */ |
| 30 | |
| 31 | #ifndef __LIB_SM_SMCALL_H |
| 32 | #define __LIB_SM_SMCALL_H |
| 33 | |
| 34 | #define SMC_NUM_ENTITIES 64 |
| 35 | #define SMC_NUM_ARGS 4 |
| 36 | #define SMC_NUM_PARAMS (SMC_NUM_ARGS - 1) |
| 37 | |
| 38 | #define SMC_IS_FASTCALL(smc_nr) ((smc_nr) & 0x80000000) |
| 39 | #define SMC_IS_SMC64(smc_nr) ((smc_nr) & 0x40000000) |
| 40 | #define SMC_ENTITY(smc_nr) (((smc_nr) & 0x3F000000) >> 24) |
| 41 | #define SMC_FUNCTION(smc_nr) ((smc_nr) & 0x0000FFFF) |
| 42 | |
David Cunado | 2e36de8 | 2017-01-19 10:26:16 +0000 | [diff] [blame] | 43 | #define SMC_NR(entity, fn, fastcall, smc64) \ |
| 44 | (((((unsigned int) (fastcall)) & 0x1) << 31) | \ |
| 45 | (((smc64) & 0x1) << 30) | \ |
| 46 | (((entity) & 0x3F) << 24) | \ |
| 47 | ((fn) & 0xFFFF) \ |
| 48 | ) |
Varun Wadekar | c1d2a28 | 2016-11-08 15:46:48 -0800 | [diff] [blame] | 49 | |
| 50 | #define SMC_FASTCALL_NR(entity, fn) SMC_NR((entity), (fn), 1, 0) |
| 51 | #define SMC_STDCALL_NR(entity, fn) SMC_NR((entity), (fn), 0, 0) |
| 52 | #define SMC_FASTCALL64_NR(entity, fn) SMC_NR((entity), (fn), 1, 1) |
| 53 | #define SMC_STDCALL64_NR(entity, fn) SMC_NR((entity), (fn), 0, 1) |
| 54 | |
| 55 | #define SMC_ENTITY_ARCH 0 /* ARM Architecture calls */ |
| 56 | #define SMC_ENTITY_CPU 1 /* CPU Service calls */ |
| 57 | #define SMC_ENTITY_SIP 2 /* SIP Service calls */ |
| 58 | #define SMC_ENTITY_OEM 3 /* OEM Service calls */ |
| 59 | #define SMC_ENTITY_STD 4 /* Standard Service calls */ |
| 60 | #define SMC_ENTITY_RESERVED 5 /* Reserved for future use */ |
| 61 | #define SMC_ENTITY_TRUSTED_APP 48 /* Trusted Application calls */ |
| 62 | #define SMC_ENTITY_TRUSTED_OS 50 /* Trusted OS calls */ |
| 63 | #define SMC_ENTITY_LOGGING 51 /* Used for secure -> nonsecure logging */ |
| 64 | #define SMC_ENTITY_SECURE_MONITOR 60 /* Trusted OS calls internal to secure monitor */ |
| 65 | |
| 66 | /* FC = Fast call, SC = Standard call */ |
| 67 | #define SMC_SC_RESTART_LAST SMC_STDCALL_NR (SMC_ENTITY_SECURE_MONITOR, 0) |
| 68 | #define SMC_SC_NOP SMC_STDCALL_NR (SMC_ENTITY_SECURE_MONITOR, 1) |
| 69 | |
| 70 | /* |
| 71 | * Return from secure os to non-secure os with return value in r1 |
| 72 | */ |
| 73 | #define SMC_SC_NS_RETURN SMC_STDCALL_NR (SMC_ENTITY_SECURE_MONITOR, 0) |
| 74 | |
| 75 | #define SMC_FC_RESERVED SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 0) |
| 76 | #define SMC_FC_FIQ_EXIT SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 1) |
| 77 | #define SMC_FC_REQUEST_FIQ SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 2) |
| 78 | #define SMC_FC_GET_NEXT_IRQ SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 3) |
| 79 | #define SMC_FC_FIQ_ENTER SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 4) |
| 80 | |
| 81 | #define SMC_FC64_SET_FIQ_HANDLER SMC_FASTCALL64_NR(SMC_ENTITY_SECURE_MONITOR, 5) |
| 82 | #define SMC_FC64_GET_FIQ_REGS SMC_FASTCALL64_NR (SMC_ENTITY_SECURE_MONITOR, 6) |
| 83 | |
| 84 | #define SMC_FC_CPU_SUSPEND SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 7) |
| 85 | #define SMC_FC_CPU_RESUME SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 8) |
| 86 | |
| 87 | #define SMC_FC_AARCH_SWITCH SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 9) |
| 88 | #define SMC_FC_GET_VERSION_STR SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 10) |
| 89 | |
| 90 | /* Trusted OS entity calls */ |
| 91 | #define SMC_SC_VIRTIO_GET_DESCR SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 20) |
| 92 | #define SMC_SC_VIRTIO_START SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 21) |
| 93 | #define SMC_SC_VIRTIO_STOP SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 22) |
| 94 | |
| 95 | #define SMC_SC_VDEV_RESET SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 23) |
| 96 | #define SMC_SC_VDEV_KICK_VQ SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 24) |
| 97 | |
| 98 | #endif /* __LIB_SM_SMCALL_H */ |