1afdda571Sdp-arm /* 2*d7b5f408SJimmy Brisson * Copyright (c) 2016-2020, ARM Limited and Contributors. All rights reserved. 3afdda571Sdp-arm * 482cb2c1aSdp-arm * SPDX-License-Identifier: BSD-3-Clause 5afdda571Sdp-arm */ 6afdda571Sdp-arm 7bef9a10fSAntonio Nino Diaz #ifndef PMF_H 8bef9a10fSAntonio Nino Diaz #define PMF_H 9afdda571Sdp-arm 1009d40e0eSAntonio Nino Diaz #include <lib/cassert.h> 1109d40e0eSAntonio Nino Diaz #include <lib/pmf/pmf_helpers.h> 1209d40e0eSAntonio Nino Diaz #include <lib/utils_def.h> 13afdda571Sdp-arm 14afdda571Sdp-arm /* 15afdda571Sdp-arm * Constants used for/by PMF services. 16afdda571Sdp-arm */ 17*d7b5f408SJimmy Brisson #define PMF_ARM_TIF_IMPL_ID UL(0x41) 18afdda571Sdp-arm #define PMF_TID_SHIFT 0 19*d7b5f408SJimmy Brisson #define PMF_TID_MASK (UL(0xFF) << PMF_TID_SHIFT) 20afdda571Sdp-arm #define PMF_SVC_ID_SHIFT 10 21*d7b5f408SJimmy Brisson #define PMF_SVC_ID_MASK (UL(0x3F) << PMF_SVC_ID_SHIFT) 22afdda571Sdp-arm #define PMF_IMPL_ID_SHIFT 24 23*d7b5f408SJimmy Brisson #define PMF_IMPL_ID_MASK (UL(0xFF) << PMF_IMPL_ID_SHIFT) 24afdda571Sdp-arm 25afdda571Sdp-arm /* 26afdda571Sdp-arm * Flags passed to PMF_REGISTER_SERVICE 27afdda571Sdp-arm */ 28afdda571Sdp-arm #define PMF_STORE_ENABLE (1 << 0) 29afdda571Sdp-arm #define PMF_DUMP_ENABLE (1 << 1) 30afdda571Sdp-arm 31afdda571Sdp-arm /* 32afdda571Sdp-arm * Flags passed to PMF_GET_TIMESTAMP_XXX 33afdda571Sdp-arm * and PMF_CAPTURE_TIMESTAMP 34afdda571Sdp-arm */ 35bef9a10fSAntonio Nino Diaz #define PMF_CACHE_MAINT (U(1) << 0) 36bef9a10fSAntonio Nino Diaz #define PMF_NO_CACHE_MAINT U(0) 37afdda571Sdp-arm 38afdda571Sdp-arm /* 39afdda571Sdp-arm * Defines for PMF SMC function ids. 40afdda571Sdp-arm */ 41195e363fSAntonio Nino Diaz #define PMF_SMC_GET_TIMESTAMP_32 U(0x82000010) 42195e363fSAntonio Nino Diaz #define PMF_SMC_GET_TIMESTAMP_64 U(0xC2000010) 43afdda571Sdp-arm #define PMF_NUM_SMC_CALLS 2 44afdda571Sdp-arm 45afdda571Sdp-arm /* 46afdda571Sdp-arm * The macros below are used to identify 47afdda571Sdp-arm * PMF calls from the SMC function ID. 48afdda571Sdp-arm */ 49195e363fSAntonio Nino Diaz #define PMF_FID_MASK U(0xffe0) 50195e363fSAntonio Nino Diaz #define PMF_FID_VALUE U(0) 51afdda571Sdp-arm #define is_pmf_fid(_fid) (((_fid) & PMF_FID_MASK) == PMF_FID_VALUE) 52afdda571Sdp-arm 53afdda571Sdp-arm /* Following are the supported PMF service IDs */ 54afdda571Sdp-arm #define PMF_PSCI_STAT_SVC_ID 0 55872be88aSdp-arm #define PMF_RT_INSTR_SVC_ID 1 56afdda571Sdp-arm 57afdda571Sdp-arm /******************************************************************************* 58afdda571Sdp-arm * Function & variable prototypes 59afdda571Sdp-arm ******************************************************************************/ 60afdda571Sdp-arm /* PMF common functions */ 61afdda571Sdp-arm int pmf_get_timestamp_smc(unsigned int tid, 62afdda571Sdp-arm u_register_t mpidr, 63afdda571Sdp-arm unsigned int flags, 649fb8af33SRoberto Vargas unsigned long long *ts_value); 65afdda571Sdp-arm int pmf_setup(void); 66afdda571Sdp-arm uintptr_t pmf_smc_handler(unsigned int smc_fid, 67afdda571Sdp-arm u_register_t x1, 68afdda571Sdp-arm u_register_t x2, 69afdda571Sdp-arm u_register_t x3, 70afdda571Sdp-arm u_register_t x4, 71afdda571Sdp-arm void *cookie, 72afdda571Sdp-arm void *handle, 73afdda571Sdp-arm u_register_t flags); 74afdda571Sdp-arm 75bef9a10fSAntonio Nino Diaz #endif /* PMF_H */ 76