/* * Copyright (c) 2018-2019, Arm Limited. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ #ifndef SPRT_SVC_H #define SPRT_SVC_H #include #include /* SPRT_VERSION helpers */ #define SPRT_VERSION_MAJOR U(0) #define SPRT_VERSION_MAJOR_SHIFT 16 #define SPRT_VERSION_MAJOR_MASK U(0x7FFF) #define SPRT_VERSION_MINOR U(1) #define SPRT_VERSION_MINOR_SHIFT 0 #define SPRT_VERSION_MINOR_MASK U(0xFFFF) #define SPRT_VERSION_FORM(major, minor) ((((major) & SPRT_VERSION_MAJOR_MASK) \ << SPRT_VERSION_MAJOR_SHIFT) | \ ((minor) & SPRT_VERSION_MINOR_MASK)) #define SPRT_VERSION_COMPILED SPRT_VERSION_FORM(SPRT_VERSION_MAJOR, \ SPRT_VERSION_MINOR) /* SPRT function IDs */ #define SPRT_FID_VERSION U(0x0) #define SPRT_FID_PUT_RESPONSE U(0x1) #define SPRT_FID_YIELD U(0x5) #define SPRT_FID_PANIC U(0x7) #define SPRT_FID_MEMORY_PERM_ATTR_GET U(0xB) #define SPRT_FID_MEMORY_PERM_ATTR_SET U(0xC) #define SPRT_FID_MASK U(0xFF) /* Definitions to build the complete SMC ID */ #define OEN_SPRT_START U(0x20) #define OEN_SPRT_END U(0x2F) #define SPRT_SMC_64(sprt_fid) ((OEN_SPRT_START << FUNCID_OEN_SHIFT) | \ (U(1) << 31) | ((sprt_fid) & SPRT_FID_MASK) | \ (SMC_64 << FUNCID_CC_SHIFT)) #define SPRT_SMC_32(sprt_fid) ((OEN_SPRT_START << FUNCID_OEN_SHIFT) | \ (U(1) << 31) | ((sprt_fid) & SPRT_FID_MASK) | \ (SMC_32 << FUNCID_CC_SHIFT)) /* Complete SMC IDs */ #define SPRT_VERSION SPRT_SMC_32(SPRT_FID_VERSION) #define SPRT_PUT_RESPONSE_AARCH64 SPRT_SMC_64(SPRT_FID_PUT_RESPONSE) #define SPRT_YIELD_AARCH64 SPRT_SMC_64(SPRT_FID_YIELD) #define SPRT_PANIC_AARCH64 SPRT_SMC_64(SPRT_FID_PANIC) #define SPRT_MEMORY_PERM_ATTR_GET_AARCH64 SPRT_SMC_64(SPRT_FID_MEMORY_PERM_ATTR_GET) #define SPRT_MEMORY_PERM_ATTR_SET_AARCH64 SPRT_SMC_64(SPRT_FID_MEMORY_PERM_ATTR_SET) /* Defines used by SPRT_MEMORY_PERM_ATTR_{GET,SET}_AARCH64 */ #define SPRT_MEMORY_PERM_ATTR_RO U(0) #define SPRT_MEMORY_PERM_ATTR_RW U(1) #define SPRT_MEMORY_PERM_ATTR_RO_EXEC U(2) /* U(3) is reserved */ #define SPRT_MEMORY_PERM_ATTR_MASK U(3) #define SPRT_MEMORY_PERM_ATTR_SHIFT 3 /* SPRT error codes. */ #define SPRT_SUCCESS 0 #define SPRT_NOT_SUPPORTED -1 #define SPRT_INVALID_PARAMETER -2 #endif /* SPRT_SVC_H */