freebsd-skq/sys/contrib/octeon-sdk/cvmx-profiler.h

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/***********************license start***************
* Copyright (c) 2011 Cavium Inc. (support@cavium.com). All rights
* reserved.
*
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* * Neither the name of Cavium Inc. nor the names of
* its contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
*
* This Software, including technical data, may be subject to U.S. export control
* laws, including the U.S. Export Administration Act and its associated
* regulations, and may be subject to export or import regulations in other
* countries.
*
* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
* AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR
* WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO
* THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR
* DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM
* SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE,
* MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF
* VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR
* CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR
* PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
*************************license end**************************************/
/**
* @file
*
* Header file for the event Profiler.
*
*/
#ifndef __CVMX_PROFILER_H__
#define __CVMX_PROFILER_H__
#ifdef __cplusplus
extern "C" {
#endif
#define EVENT_PERCPU_BUFFER_SIZE 8192
#define PADBYTES 24
#define EVENT_BUFFER_BLOCK "event_block"
#define EVENT_BUFFER_SIZE EVENT_PERCPU_BUFFER_SIZE * (cvmx_octeon_num_cores() + 1)
#define EVENT_BUFFER_CONFIG_BLOCK "event_config_block"
#define EBC_BLOCK_SIZE 256
typedef struct {
int core;
uint32_t pc;
} cvmx_sample_entry_t;
typedef struct cpu_event_block {
int size;
int sample_read;
int64_t max_samples;
int64_t sample_count;
char *head;
char *tail;
char *end;
char *data;
} cvmx_cpu_event_block_t;
typedef struct {
cvmx_cpu_event_block_t pcpu_blk_info;
char *pcpu_data;
} cvmx_ringbuf_t;
typedef struct config_block {
int64_t sample_count;
uint64_t events;
char *pcpu_base_addr[CVMX_MAX_CORES];
} cvmx_config_block_t;
typedef struct event_counter_control_block {
int32_t read_cfg_blk;
char *config_blk_base_addr;
cvmx_config_block_t cfg_blk;
} event_counter_control_block_t;
extern void cvmx_update_perfcnt_irq(void);
extern void cvmx_collect_sample(void);
#ifdef __cplusplus
}
#endif
#endif /* __CVMX_PROFILER_H__ */