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