1*91f16700Schasinglulu /* 2*91f16700Schasinglulu * Copyright (c) 2021-2022, Arm Limited and Contributors. All rights reserved. 3*91f16700Schasinglulu * 4*91f16700Schasinglulu * SPDX-License-Identifier: BSD-3-Clause 5*91f16700Schasinglulu */ 6*91f16700Schasinglulu 7*91f16700Schasinglulu #ifndef TRP_PRIVATE_H 8*91f16700Schasinglulu #define TRP_PRIVATE_H 9*91f16700Schasinglulu 10*91f16700Schasinglulu #include <services/rmmd_svc.h> 11*91f16700Schasinglulu #include <trp_helpers.h> 12*91f16700Schasinglulu 13*91f16700Schasinglulu /* Definitions for RMM-EL3 Interface ABI VERSION */ 14*91f16700Schasinglulu #define TRP_RMM_EL3_ABI_VERS_MAJOR RMM_EL3_IFC_VERSION_MAJOR 15*91f16700Schasinglulu #define TRP_RMM_EL3_ABI_VERS_MINOR RMM_EL3_IFC_VERSION_MINOR 16*91f16700Schasinglulu #define TRP_RMM_EL3_ABI_VERS (((TRP_RMM_EL3_ABI_VERS_MAJOR & 0x7FFF) << 16) | \ 17*91f16700Schasinglulu (TRP_RMM_EL3_ABI_VERS_MINOR & 0xFFFF)) 18*91f16700Schasinglulu 19*91f16700Schasinglulu #define TRP_PLATFORM_CORE_COUNT PLATFORM_CORE_COUNT 20*91f16700Schasinglulu 21*91f16700Schasinglulu #ifndef __ASSEMBLER__ 22*91f16700Schasinglulu 23*91f16700Schasinglulu #include <stdint.h> 24*91f16700Schasinglulu 25*91f16700Schasinglulu #define write_trp_arg(args, offset, val) (((args)->regs[offset >> 3]) \ 26*91f16700Schasinglulu = val) 27*91f16700Schasinglulu /* RMI SMC64 FIDs handled by the TRP */ 28*91f16700Schasinglulu #define RMI_RMM_REQ_VERSION SMC64_RMI_FID(U(0)) 29*91f16700Schasinglulu #define RMI_RMM_GRANULE_DELEGATE SMC64_RMI_FID(U(1)) 30*91f16700Schasinglulu #define RMI_RMM_GRANULE_UNDELEGATE SMC64_RMI_FID(U(2)) 31*91f16700Schasinglulu 32*91f16700Schasinglulu /* Definitions for RMI VERSION */ 33*91f16700Schasinglulu #define RMI_ABI_VERSION_MAJOR U(0x0) 34*91f16700Schasinglulu #define RMI_ABI_VERSION_MINOR U(0x0) 35*91f16700Schasinglulu #define RMI_ABI_VERSION (((RMI_ABI_VERSION_MAJOR & 0x7FFF) \ 36*91f16700Schasinglulu << 16) | \ 37*91f16700Schasinglulu (RMI_ABI_VERSION_MINOR & 0xFFFF)) 38*91f16700Schasinglulu 39*91f16700Schasinglulu #define TRP_RMM_EL3_VERSION_GET_MAJOR(x) \ 40*91f16700Schasinglulu RMM_EL3_IFC_VERSION_GET_MAJOR((x)) 41*91f16700Schasinglulu #define TRP_RMM_EL3_VERSION_GET_MINOR(x) \ 42*91f16700Schasinglulu RMM_EL3_IFC_VERSION_GET_MAJOR_MINOR((x)) 43*91f16700Schasinglulu 44*91f16700Schasinglulu /* Helper to issue SMC calls to BL31 */ 45*91f16700Schasinglulu uint64_t trp_smc(trp_args_t *); 46*91f16700Schasinglulu 47*91f16700Schasinglulu /* The main function to executed only by Primary CPU */ 48*91f16700Schasinglulu void trp_main(void); 49*91f16700Schasinglulu 50*91f16700Schasinglulu /* Setup TRP. Executed only by Primary CPU */ 51*91f16700Schasinglulu void trp_setup(uint64_t x0, 52*91f16700Schasinglulu uint64_t x1, 53*91f16700Schasinglulu uint64_t x2, 54*91f16700Schasinglulu uint64_t x3); 55*91f16700Schasinglulu 56*91f16700Schasinglulu /* Validate arguments for warm boot only */ 57*91f16700Schasinglulu int trp_validate_warmboot_args(uint64_t x0, uint64_t x1, 58*91f16700Schasinglulu uint64_t x2, uint64_t x3); 59*91f16700Schasinglulu 60*91f16700Schasinglulu #endif /* __ASSEMBLER__ */ 61*91f16700Schasinglulu #endif /* TRP_PRIVATE_H */ 62