1*91f16700Schasinglulu /* 2*91f16700Schasinglulu * Copyright (c) 2016-2020, Arm Limited and Contributors. All rights reserved. 3*91f16700Schasinglulu * 4*91f16700Schasinglulu * SPDX-License-Identifier: BSD-3-Clause 5*91f16700Schasinglulu */ 6*91f16700Schasinglulu 7*91f16700Schasinglulu #ifndef PMF_H 8*91f16700Schasinglulu #define PMF_H 9*91f16700Schasinglulu 10*91f16700Schasinglulu #include <lib/cassert.h> 11*91f16700Schasinglulu #include <lib/pmf/pmf_helpers.h> 12*91f16700Schasinglulu #include <lib/utils_def.h> 13*91f16700Schasinglulu 14*91f16700Schasinglulu /* 15*91f16700Schasinglulu * Constants used for/by PMF services. 16*91f16700Schasinglulu */ 17*91f16700Schasinglulu #define PMF_ARM_TIF_IMPL_ID UL(0x41) 18*91f16700Schasinglulu #define PMF_TID_SHIFT 0 19*91f16700Schasinglulu #define PMF_TID_MASK (UL(0xFF) << PMF_TID_SHIFT) 20*91f16700Schasinglulu #define PMF_SVC_ID_SHIFT 10 21*91f16700Schasinglulu #define PMF_SVC_ID_MASK (UL(0x3F) << PMF_SVC_ID_SHIFT) 22*91f16700Schasinglulu #define PMF_IMPL_ID_SHIFT 24 23*91f16700Schasinglulu #define PMF_IMPL_ID_MASK (UL(0xFF) << PMF_IMPL_ID_SHIFT) 24*91f16700Schasinglulu 25*91f16700Schasinglulu /* 26*91f16700Schasinglulu * Flags passed to PMF_REGISTER_SERVICE 27*91f16700Schasinglulu */ 28*91f16700Schasinglulu #define PMF_STORE_ENABLE (1 << 0) 29*91f16700Schasinglulu #define PMF_DUMP_ENABLE (1 << 1) 30*91f16700Schasinglulu 31*91f16700Schasinglulu /* 32*91f16700Schasinglulu * Flags passed to PMF_GET_TIMESTAMP_XXX 33*91f16700Schasinglulu * and PMF_CAPTURE_TIMESTAMP 34*91f16700Schasinglulu */ 35*91f16700Schasinglulu #define PMF_CACHE_MAINT (U(1) << 0) 36*91f16700Schasinglulu #define PMF_NO_CACHE_MAINT U(0) 37*91f16700Schasinglulu 38*91f16700Schasinglulu /* 39*91f16700Schasinglulu * Defines for PMF SMC function ids. 40*91f16700Schasinglulu */ 41*91f16700Schasinglulu #define PMF_SMC_GET_TIMESTAMP_32 U(0x82000010) 42*91f16700Schasinglulu #define PMF_SMC_GET_TIMESTAMP_64 U(0xC2000010) 43*91f16700Schasinglulu #define PMF_NUM_SMC_CALLS 2 44*91f16700Schasinglulu 45*91f16700Schasinglulu /* 46*91f16700Schasinglulu * The macros below are used to identify 47*91f16700Schasinglulu * PMF calls from the SMC function ID. 48*91f16700Schasinglulu */ 49*91f16700Schasinglulu #define PMF_FID_MASK U(0xffe0) 50*91f16700Schasinglulu #define PMF_FID_VALUE U(0) 51*91f16700Schasinglulu #define is_pmf_fid(_fid) (((_fid) & PMF_FID_MASK) == PMF_FID_VALUE) 52*91f16700Schasinglulu 53*91f16700Schasinglulu /* Following are the supported PMF service IDs */ 54*91f16700Schasinglulu #define PMF_PSCI_STAT_SVC_ID 0 55*91f16700Schasinglulu #define PMF_RT_INSTR_SVC_ID 1 56*91f16700Schasinglulu 57*91f16700Schasinglulu /******************************************************************************* 58*91f16700Schasinglulu * Function & variable prototypes 59*91f16700Schasinglulu ******************************************************************************/ 60*91f16700Schasinglulu /* PMF common functions */ 61*91f16700Schasinglulu int pmf_get_timestamp_smc(unsigned int tid, 62*91f16700Schasinglulu u_register_t mpidr, 63*91f16700Schasinglulu unsigned int flags, 64*91f16700Schasinglulu unsigned long long *ts_value); 65*91f16700Schasinglulu int pmf_setup(void); 66*91f16700Schasinglulu uintptr_t pmf_smc_handler(unsigned int smc_fid, 67*91f16700Schasinglulu u_register_t x1, 68*91f16700Schasinglulu u_register_t x2, 69*91f16700Schasinglulu u_register_t x3, 70*91f16700Schasinglulu u_register_t x4, 71*91f16700Schasinglulu void *cookie, 72*91f16700Schasinglulu void *handle, 73*91f16700Schasinglulu u_register_t flags); 74*91f16700Schasinglulu 75*91f16700Schasinglulu #endif /* PMF_H */ 76