178 lines
5.4 KiB
C
178 lines
5.4 KiB
C
/*
|
|
* Copyright (c) 2016-2018, 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 U(0x41)
|
|
#define PMF_TID_SHIFT 0
|
|
#define PMF_TID_MASK (U(0xFF) << PMF_TID_SHIFT)
|
|
#define PMF_SVC_ID_SHIFT 10
|
|
#define PMF_SVC_ID_MASK (U(0x3F) << PMF_SVC_ID_SHIFT)
|
|
#define PMF_IMPL_ID_SHIFT 24
|
|
#define PMF_IMPL_ID_MASK (U(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
|
|
|
|
#if ENABLE_PMF
|
|
/*
|
|
* Convenience macros for capturing time-stamp.
|
|
*/
|
|
#define PMF_DECLARE_CAPTURE_TIMESTAMP(_name) \
|
|
void pmf_capture_timestamp_with_cache_maint_ ## _name( \
|
|
unsigned int tid, \
|
|
unsigned long long ts); \
|
|
void pmf_capture_timestamp_ ## _name( \
|
|
unsigned int tid, \
|
|
unsigned long long ts);
|
|
|
|
#define PMF_CAPTURE_TIMESTAMP(_name, _tid, _flags) \
|
|
do { \
|
|
unsigned long long ts = read_cntpct_el0(); \
|
|
if (((_flags) & PMF_CACHE_MAINT) != 0U) \
|
|
pmf_capture_timestamp_with_cache_maint_ ## _name((_tid), ts);\
|
|
else \
|
|
pmf_capture_timestamp_ ## _name((_tid), ts); \
|
|
} while (0)
|
|
|
|
#define PMF_CAPTURE_AND_GET_TIMESTAMP(_name, _tid, _flags, _tsval) \
|
|
do { \
|
|
(_tsval) = read_cntpct_el0(); \
|
|
CASSERT(sizeof(_tsval) == sizeof(unsigned long long), invalid_tsval_size);\
|
|
if (((_flags) & PMF_CACHE_MAINT) != 0U) \
|
|
pmf_capture_timestamp_with_cache_maint_ ## _name((_tid), (_tsval));\
|
|
else \
|
|
pmf_capture_timestamp_ ## _name((_tid), (_tsval));\
|
|
} while (0)
|
|
|
|
#define PMF_WRITE_TIMESTAMP(_name, _tid, _flags, _wrval) \
|
|
do { \
|
|
CASSERT(sizeof(_wrval) == sizeof(unsigned long long), invalid_wrval_size);\
|
|
if (((_flags) & PMF_CACHE_MAINT) != 0U) \
|
|
pmf_capture_timestamp_with_cache_maint_ ## _name((_tid), (_wrval));\
|
|
else \
|
|
pmf_capture_timestamp_ ## _name((_tid), (_wrval));\
|
|
} while (0)
|
|
|
|
/*
|
|
* Convenience macros for retrieving time-stamp.
|
|
*/
|
|
#define PMF_DECLARE_GET_TIMESTAMP(_name) \
|
|
unsigned long long pmf_get_timestamp_by_index_ ## _name(\
|
|
unsigned int tid, \
|
|
unsigned int cpuid, \
|
|
unsigned int flags); \
|
|
unsigned long long pmf_get_timestamp_by_mpidr_ ## _name(\
|
|
unsigned int tid, \
|
|
u_register_t mpidr, \
|
|
unsigned int flags);
|
|
|
|
#define PMF_GET_TIMESTAMP_BY_MPIDR(_name, _tid, _mpidr, _flags, _tsval)\
|
|
_tsval = pmf_get_timestamp_by_mpidr_ ## _name(_tid, _mpidr, _flags)
|
|
|
|
#define PMF_GET_TIMESTAMP_BY_INDEX(_name, _tid, _cpuid, _flags, _tsval)\
|
|
_tsval = pmf_get_timestamp_by_index_ ## _name(_tid, _cpuid, _flags)
|
|
|
|
/* Convenience macros to register a PMF service.*/
|
|
/*
|
|
* This macro is used to register a PMF Service. It allocates PMF memory
|
|
* and defines default service-specific PMF functions.
|
|
*/
|
|
#define PMF_REGISTER_SERVICE(_name, _svcid, _totalid, _flags) \
|
|
PMF_ALLOCATE_TIMESTAMP_MEMORY(_name, _totalid) \
|
|
PMF_DEFINE_CAPTURE_TIMESTAMP(_name, _flags) \
|
|
PMF_DEFINE_GET_TIMESTAMP(_name)
|
|
|
|
/*
|
|
* This macro is used to register a PMF service, including an
|
|
* SMC interface to that service.
|
|
*/
|
|
#define PMF_REGISTER_SERVICE_SMC(_name, _svcid, _totalid, _flags)\
|
|
PMF_REGISTER_SERVICE(_name, _svcid, _totalid, _flags) \
|
|
PMF_DEFINE_SERVICE_DESC(_name, PMF_ARM_TIF_IMPL_ID, \
|
|
_svcid, _totalid, NULL, \
|
|
pmf_get_timestamp_by_mpidr_ ## _name)
|
|
|
|
/*
|
|
* This macro is used to register a PMF service that has an SMC interface
|
|
* but provides its own service-specific PMF functions.
|
|
*/
|
|
#define PMF_REGISTER_SERVICE_SMC_OWN(_name, _implid, _svcid, _totalid, \
|
|
_init, _getts) \
|
|
PMF_DEFINE_SERVICE_DESC(_name, _implid, _svcid, _totalid, \
|
|
_init, _getts)
|
|
|
|
#else
|
|
|
|
#define PMF_REGISTER_SERVICE(_name, _svcid, _totalid, _flags)
|
|
#define PMF_REGISTER_SERVICE_SMC(_name, _svcid, _totalid, _flags)
|
|
#define PMF_REGISTER_SERVICE_SMC_OWN(_name, _implid, _svcid, _totalid, \
|
|
_init, _getts)
|
|
#define PMF_DECLARE_CAPTURE_TIMESTAMP(_name)
|
|
#define PMF_DECLARE_GET_TIMESTAMP(_name)
|
|
#define PMF_CAPTURE_TIMESTAMP(_name, _tid, _flags)
|
|
#define PMF_GET_TIMESTAMP_BY_MPIDR(_name, _tid, _mpidr, _flags, _tsval)
|
|
#define PMF_GET_TIMESTAMP_BY_INDEX(_name, _tid, _cpuid, _flags, _tsval)
|
|
|
|
#endif /* ENABLE_PMF */
|
|
|
|
/*******************************************************************************
|
|
* 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 */
|