1*54fd6939SJiyong Park /* 2*54fd6939SJiyong Park * Copyright (c) 2016-2020, ARM Limited and Contributors. All rights reserved. 3*54fd6939SJiyong Park * 4*54fd6939SJiyong Park * SPDX-License-Identifier: BSD-3-Clause 5*54fd6939SJiyong Park */ 6*54fd6939SJiyong Park 7*54fd6939SJiyong Park #ifndef PMF_H 8*54fd6939SJiyong Park #define PMF_H 9*54fd6939SJiyong Park 10*54fd6939SJiyong Park #include <lib/cassert.h> 11*54fd6939SJiyong Park #include <lib/pmf/pmf_helpers.h> 12*54fd6939SJiyong Park #include <lib/utils_def.h> 13*54fd6939SJiyong Park 14*54fd6939SJiyong Park /* 15*54fd6939SJiyong Park * Constants used for/by PMF services. 16*54fd6939SJiyong Park */ 17*54fd6939SJiyong Park #define PMF_ARM_TIF_IMPL_ID UL(0x41) 18*54fd6939SJiyong Park #define PMF_TID_SHIFT 0 19*54fd6939SJiyong Park #define PMF_TID_MASK (UL(0xFF) << PMF_TID_SHIFT) 20*54fd6939SJiyong Park #define PMF_SVC_ID_SHIFT 10 21*54fd6939SJiyong Park #define PMF_SVC_ID_MASK (UL(0x3F) << PMF_SVC_ID_SHIFT) 22*54fd6939SJiyong Park #define PMF_IMPL_ID_SHIFT 24 23*54fd6939SJiyong Park #define PMF_IMPL_ID_MASK (UL(0xFF) << PMF_IMPL_ID_SHIFT) 24*54fd6939SJiyong Park 25*54fd6939SJiyong Park /* 26*54fd6939SJiyong Park * Flags passed to PMF_REGISTER_SERVICE 27*54fd6939SJiyong Park */ 28*54fd6939SJiyong Park #define PMF_STORE_ENABLE (1 << 0) 29*54fd6939SJiyong Park #define PMF_DUMP_ENABLE (1 << 1) 30*54fd6939SJiyong Park 31*54fd6939SJiyong Park /* 32*54fd6939SJiyong Park * Flags passed to PMF_GET_TIMESTAMP_XXX 33*54fd6939SJiyong Park * and PMF_CAPTURE_TIMESTAMP 34*54fd6939SJiyong Park */ 35*54fd6939SJiyong Park #define PMF_CACHE_MAINT (U(1) << 0) 36*54fd6939SJiyong Park #define PMF_NO_CACHE_MAINT U(0) 37*54fd6939SJiyong Park 38*54fd6939SJiyong Park /* 39*54fd6939SJiyong Park * Defines for PMF SMC function ids. 40*54fd6939SJiyong Park */ 41*54fd6939SJiyong Park #define PMF_SMC_GET_TIMESTAMP_32 U(0x82000010) 42*54fd6939SJiyong Park #define PMF_SMC_GET_TIMESTAMP_64 U(0xC2000010) 43*54fd6939SJiyong Park #define PMF_NUM_SMC_CALLS 2 44*54fd6939SJiyong Park 45*54fd6939SJiyong Park /* 46*54fd6939SJiyong Park * The macros below are used to identify 47*54fd6939SJiyong Park * PMF calls from the SMC function ID. 48*54fd6939SJiyong Park */ 49*54fd6939SJiyong Park #define PMF_FID_MASK U(0xffe0) 50*54fd6939SJiyong Park #define PMF_FID_VALUE U(0) 51*54fd6939SJiyong Park #define is_pmf_fid(_fid) (((_fid) & PMF_FID_MASK) == PMF_FID_VALUE) 52*54fd6939SJiyong Park 53*54fd6939SJiyong Park /* Following are the supported PMF service IDs */ 54*54fd6939SJiyong Park #define PMF_PSCI_STAT_SVC_ID 0 55*54fd6939SJiyong Park #define PMF_RT_INSTR_SVC_ID 1 56*54fd6939SJiyong Park 57*54fd6939SJiyong Park /******************************************************************************* 58*54fd6939SJiyong Park * Function & variable prototypes 59*54fd6939SJiyong Park ******************************************************************************/ 60*54fd6939SJiyong Park /* PMF common functions */ 61*54fd6939SJiyong Park int pmf_get_timestamp_smc(unsigned int tid, 62*54fd6939SJiyong Park u_register_t mpidr, 63*54fd6939SJiyong Park unsigned int flags, 64*54fd6939SJiyong Park unsigned long long *ts_value); 65*54fd6939SJiyong Park int pmf_setup(void); 66*54fd6939SJiyong Park uintptr_t pmf_smc_handler(unsigned int smc_fid, 67*54fd6939SJiyong Park u_register_t x1, 68*54fd6939SJiyong Park u_register_t x2, 69*54fd6939SJiyong Park u_register_t x3, 70*54fd6939SJiyong Park u_register_t x4, 71*54fd6939SJiyong Park void *cookie, 72*54fd6939SJiyong Park void *handle, 73*54fd6939SJiyong Park u_register_t flags); 74*54fd6939SJiyong Park 75*54fd6939SJiyong Park #endif /* PMF_H */ 76