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/*
* Copyright (c) 2016-2020, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef PMF_H
#define PMF_H
#include <lib/cassert.h>
#include <lib/pmf/pmf_helpers.h>
#include <lib/utils_def.h>
/*
* Constants used for/by PMF services.
*/
#define PMF_ARM_TIF_IMPL_ID UL(0x41)
#define PMF_TID_SHIFT 0
#define PMF_TID_MASK (UL(0xFF) << PMF_TID_SHIFT)
#define PMF_SVC_ID_SHIFT 10
#define PMF_SVC_ID_MASK (UL(0x3F) << PMF_SVC_ID_SHIFT)
#define PMF_IMPL_ID_SHIFT 24
#define PMF_IMPL_ID_MASK (UL(0xFF) << PMF_IMPL_ID_SHIFT)
/*
* Flags passed to PMF_REGISTER_SERVICE
*/
#define PMF_STORE_ENABLE (1 << 0)
#define PMF_DUMP_ENABLE (1 << 1)
/*
* Flags passed to PMF_GET_TIMESTAMP_XXX
* and PMF_CAPTURE_TIMESTAMP
*/
#define PMF_CACHE_MAINT (U(1) << 0)
#define PMF_NO_CACHE_MAINT U(0)
/*
* Defines for PMF SMC function ids.
*/
#define PMF_SMC_GET_TIMESTAMP_32 U(0x82000010)
#define PMF_SMC_GET_TIMESTAMP_64 U(0xC2000010)
#define PMF_NUM_SMC_CALLS 2
/*
* The macros below are used to identify
* PMF calls from the SMC function ID.
*/
#define PMF_FID_MASK U(0xffe0)
#define PMF_FID_VALUE U(0)
#define is_pmf_fid(_fid) (((_fid) & PMF_FID_MASK) == PMF_FID_VALUE)
/* Following are the supported PMF service IDs */
#define PMF_PSCI_STAT_SVC_ID 0
#define PMF_RT_INSTR_SVC_ID 1
/*******************************************************************************
* Function & variable prototypes
******************************************************************************/
/* PMF common functions */
int pmf_get_timestamp_smc(unsigned int tid,
u_register_t mpidr,
unsigned int flags,
unsigned long long *ts_value);
int pmf_setup(void);
uintptr_t pmf_smc_handler(unsigned int smc_fid,
u_register_t x1,
u_register_t x2,
u_register_t x3,
u_register_t x4,
void *cookie,
void *handle,
u_register_t flags);
#endif /* PMF_H */
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