| /* |
| * CPUMF HW sampler functions and internal structures |
| * |
| * Copyright IBM Corp. 2010 |
| * Author(s): Heinz Graalfs <graalfs@de.ibm.com> |
| */ |
| |
| #ifndef HWSAMPLER_H_ |
| #define HWSAMPLER_H_ |
| |
| #include <linux/workqueue.h> |
| #include <asm/cpu_mf.h> |
| |
| 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_*/ |
