From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- arch/s390/oprofile/hwsampler.h | 63 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 arch/s390/oprofile/hwsampler.h (limited to 'arch/s390/oprofile/hwsampler.h') diff --git a/arch/s390/oprofile/hwsampler.h b/arch/s390/oprofile/hwsampler.h new file mode 100644 index 000000000..a483d06f2 --- /dev/null +++ b/arch/s390/oprofile/hwsampler.h @@ -0,0 +1,63 @@ +/* + * CPUMF HW sampler functions and internal structures + * + * Copyright IBM Corp. 2010 + * Author(s): Heinz Graalfs + */ + +#ifndef HWSAMPLER_H_ +#define HWSAMPLER_H_ + +#include +#include + +struct hws_ssctl_request_block /* SET SAMPLING CONTROLS req block */ +{ /* bytes 0 - 7 Bit(s) */ + unsigned int s:1; /* 0: maximum buffer indicator */ + unsigned int h:1; /* 1: part. level reserved for VM use*/ + unsigned long b2_53:52; /* 2-53: zeros */ + unsigned int es:1; /* 54: sampling enable control */ + unsigned int b55_61:7; /* 55-61: - zeros */ + unsigned int cs:1; /* 62: sampling activation control */ + unsigned int b63:1; /* 63: zero */ + unsigned long interval; /* 8-15: sampling interval */ + unsigned long tear; /* 16-23: TEAR contents */ + unsigned long dear; /* 24-31: DEAR contents */ + /* 32-63: */ + unsigned long rsvrd1; /* reserved */ + unsigned long rsvrd2; /* reserved */ + unsigned long rsvrd3; /* reserved */ + unsigned long rsvrd4; /* reserved */ +}; + +struct hws_cpu_buffer { + unsigned long first_sdbt; /* @ of 1st SDB-Table for this CP*/ + unsigned long worker_entry; + unsigned long sample_overflow; /* taken from SDB ... */ + struct hws_qsi_info_block qsi; + struct hws_ssctl_request_block ssctl; + struct work_struct worker; + atomic_t ext_params; + unsigned long req_alert; + unsigned long loss_of_sample_data; + unsigned long invalid_entry_address; + unsigned long incorrect_sdbt_entry; + unsigned long sample_auth_change_alert; + unsigned int finish:1; + unsigned int oom:1; + unsigned int stop_mode:1; +}; + +int hwsampler_setup(void); +int hwsampler_shutdown(void); +int hwsampler_allocate(unsigned long sdbt, unsigned long sdb); +int hwsampler_deallocate(void); +unsigned long hwsampler_query_min_interval(void); +unsigned long hwsampler_query_max_interval(void); +int hwsampler_start_all(unsigned long interval); +int hwsampler_stop_all(void); +int hwsampler_deactivate(unsigned int cpu); +int hwsampler_activate(unsigned int cpu); +unsigned long hwsampler_get_sample_overflow_count(unsigned int cpu); + +#endif /*HWSAMPLER_H_*/ -- cgit v1.2.3-54-g00ecf