| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114 |
- /*
- * 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>
- struct hws_qsi_info_block /* QUERY SAMPLING information block */
- { /* Bit(s) */
- unsigned int b0_13:14; /* 0-13: zeros */
- unsigned int as:1; /* 14: sampling authorisation control*/
- unsigned int b15_21:7; /* 15-21: zeros */
- unsigned int es:1; /* 22: sampling enable control */
- unsigned int b23_29:7; /* 23-29: zeros */
- unsigned int cs:1; /* 30: sampling activation control */
- unsigned int:1; /* 31: reserved */
- unsigned int bsdes:16; /* 4-5: size of sampling entry */
- unsigned int:16; /* 6-7: reserved */
- unsigned long min_sampl_rate; /* 8-15: minimum sampling interval */
- unsigned long max_sampl_rate; /* 16-23: maximum sampling interval*/
- unsigned long tear; /* 24-31: TEAR contents */
- unsigned long dear; /* 32-39: DEAR contents */
- unsigned int rsvrd0; /* 40-43: reserved */
- unsigned int cpu_speed; /* 44-47: CPU speed */
- unsigned long long rsvrd1; /* 48-55: reserved */
- unsigned long long rsvrd2; /* 56-63: reserved */
- };
- 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;
- };
- struct hws_data_entry {
- unsigned int def:16; /* 0-15 Data Entry Format */
- unsigned int R:4; /* 16-19 reserved */
- unsigned int U:4; /* 20-23 Number of unique instruct. */
- unsigned int z:2; /* zeros */
- unsigned int T:1; /* 26 PSW DAT mode */
- unsigned int W:1; /* 27 PSW wait state */
- unsigned int P:1; /* 28 PSW Problem state */
- unsigned int AS:2; /* 29-30 PSW address-space control */
- unsigned int I:1; /* 31 entry valid or invalid */
- unsigned int:16;
- unsigned int prim_asn:16; /* primary ASN */
- unsigned long long ia; /* Instruction Address */
- unsigned long long lpp; /* Logical-Partition Program Param. */
- unsigned long long vpp; /* Virtual-Machine Program Param. */
- };
- struct hws_trailer_entry {
- unsigned int f:1; /* 0 - Block Full Indicator */
- unsigned int a:1; /* 1 - Alert request control */
- unsigned long:62; /* 2 - 63: Reserved */
- unsigned long overflow; /* 64 - sample Overflow count */
- unsigned long timestamp; /* 16 - time-stamp */
- unsigned long timestamp1; /* */
- unsigned long reserved1; /* 32 -Reserved */
- unsigned long reserved2; /* */
- unsigned long progusage1; /* 48 - reserved for programming use */
- unsigned long progusage2; /* */
- };
- 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_*/
|
