1afdda571Sdp-arm /* 2*f7679d43SGovindraj Raja * Copyright (c) 2016-2024, 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 */ 17d7b5f408SJimmy Brisson #define PMF_ARM_TIF_IMPL_ID UL(0x41) 18afdda571Sdp-arm #define PMF_TID_SHIFT 0 19d7b5f408SJimmy Brisson #define PMF_TID_MASK (UL(0xFF) << PMF_TID_SHIFT) 20afdda571Sdp-arm #define PMF_SVC_ID_SHIFT 10 21d7b5f408SJimmy Brisson #define PMF_SVC_ID_MASK (UL(0x3F) << PMF_SVC_ID_SHIFT) 22afdda571Sdp-arm #define PMF_IMPL_ID_SHIFT 24 23d7b5f408SJimmy 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 /* 39*f7679d43SGovindraj Raja * Defines for PMF SMC function ids used with arm-sip 40*f7679d43SGovindraj Raja * range, this is now deprecated and will be removed. 41afdda571Sdp-arm */ 42*f7679d43SGovindraj Raja #define PMF_SMC_GET_TIMESTAMP_32_DEP U(0x82000010) 43*f7679d43SGovindraj Raja #define PMF_SMC_GET_TIMESTAMP_64_DEP U(0xC2000010) 44*f7679d43SGovindraj Raja 45*f7679d43SGovindraj Raja #define PMF_FID_VALUE_DEPRECATED U(0x10) 46*f7679d43SGovindraj Raja #define is_pmf_fid_deprecated(_fid) \ 47*f7679d43SGovindraj Raja (((_fid) & FUNCID_NUM_MASK) == PMF_FID_VALUE_DEPRECATED) 48*f7679d43SGovindraj Raja 49*f7679d43SGovindraj Raja /* 50*f7679d43SGovindraj Raja * Defines for PMF SMC function ids used with Vendor-Specific 51*f7679d43SGovindraj Raja * EL3 range. 52*f7679d43SGovindraj Raja */ 53*f7679d43SGovindraj Raja #define PMF_SMC_GET_TIMESTAMP_32 U(0x87000020) 54*f7679d43SGovindraj Raja #define PMF_SMC_GET_TIMESTAMP_64 U(0xC7000020) 55afdda571Sdp-arm #define PMF_NUM_SMC_CALLS 2 56afdda571Sdp-arm 57afdda571Sdp-arm /* 58afdda571Sdp-arm * The macros below are used to identify 59afdda571Sdp-arm * PMF calls from the SMC function ID. 60afdda571Sdp-arm */ 61*f7679d43SGovindraj Raja #define PMF_FID_VALUE U(0x20) 62*f7679d43SGovindraj Raja #define is_pmf_fid(_fid) (((_fid) & FUNCID_NUM_MASK) == PMF_FID_VALUE) 63afdda571Sdp-arm 64afdda571Sdp-arm /* Following are the supported PMF service IDs */ 65afdda571Sdp-arm #define PMF_PSCI_STAT_SVC_ID 0 66872be88aSdp-arm #define PMF_RT_INSTR_SVC_ID 1 67afdda571Sdp-arm 68afdda571Sdp-arm /******************************************************************************* 69afdda571Sdp-arm * Function & variable prototypes 70afdda571Sdp-arm ******************************************************************************/ 71afdda571Sdp-arm /* PMF common functions */ 72afdda571Sdp-arm int pmf_get_timestamp_smc(unsigned int tid, 73afdda571Sdp-arm u_register_t mpidr, 74afdda571Sdp-arm unsigned int flags, 759fb8af33SRoberto Vargas unsigned long long *ts_value); 76afdda571Sdp-arm int pmf_setup(void); 77afdda571Sdp-arm uintptr_t pmf_smc_handler(unsigned int smc_fid, 78afdda571Sdp-arm u_register_t x1, 79afdda571Sdp-arm u_register_t x2, 80afdda571Sdp-arm u_register_t x3, 81afdda571Sdp-arm u_register_t x4, 82afdda571Sdp-arm void *cookie, 83afdda571Sdp-arm void *handle, 84afdda571Sdp-arm u_register_t flags); 85afdda571Sdp-arm 86bef9a10fSAntonio Nino Diaz #endif /* PMF_H */ 87