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Diffstat (limited to '')
| -rw-r--r-- | include/lib/pmf/pmf.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/include/lib/pmf/pmf.h b/include/lib/pmf/pmf.h new file mode 100644 index 0000000..fa990d2 --- /dev/null +++ b/include/lib/pmf/pmf.h @@ -0,0 +1,75 @@ +/* + * 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 */ |