1/***********************license start***************
2 * Copyright (c) 2011  Cavium Inc. (support@cavium.com). All rights
3 * reserved.
4 *
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
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9 *
10 *   * Redistributions of source code must retain the above copyright
11 *     notice, this list of conditions and the following disclaimer.
12 *
13 *   * Redistributions in binary form must reproduce the above
14 *     copyright notice, this list of conditions and the following
15 *     disclaimer in the documentation and/or other materials provided
16 *     with the distribution.
17 *
18 *   * Neither the name of Cavium Inc. nor the names of
19 *     its contributors may be used to endorse or promote products
20 *     derived from this software without specific prior written
21 *     permission.
22 *
23 * This Software, including technical data, may be subject to U.S. export  control
24 * laws, including the U.S. Export Administration Act and its  associated
25 * regulations, and may be subject to export or import  regulations in other
26 * countries.
27 *
28 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
29 * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR
30 * WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO
31 * THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR
32 * DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM
33 * SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE,
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36 * CORRESPONDENCE TO DESCRIPTION. THE ENTIRE  RISK ARISING OUT OF USE OR
37 * PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
38 *************************license end**************************************/
39
40/**
41 * @file
42 *
43 * Header file for the event Profiler.
44 *
45 */
46
47#ifndef __CVMX_PROFILER_H__
48#define __CVMX_PROFILER_H__
49
50#ifdef  __cplusplus
51extern "C" {
52#endif
53
54#define EVENT_PERCPU_BUFFER_SIZE	8192
55#define PADBYTES			24
56
57#define	EVENT_BUFFER_BLOCK		"event_block"
58#define EVENT_BUFFER_SIZE		EVENT_PERCPU_BUFFER_SIZE * (cvmx_octeon_num_cores() + 1)
59
60#define EVENT_BUFFER_CONFIG_BLOCK	"event_config_block"
61#define EBC_BLOCK_SIZE			256
62
63typedef struct {
64    int core;
65    uint32_t pc;
66} cvmx_sample_entry_t;
67
68typedef struct cpu_event_block {
69    int size;
70    int sample_read;
71    int64_t max_samples;
72    int64_t sample_count;
73    char *head;
74    char *tail;
75    char *end;
76    char *data;
77} cvmx_cpu_event_block_t;
78
79typedef struct {
80    cvmx_cpu_event_block_t pcpu_blk_info;
81    char *pcpu_data;
82} cvmx_ringbuf_t;
83
84typedef struct config_block {
85    int64_t sample_count;
86    uint64_t events;
87    char *pcpu_base_addr[CVMX_MAX_CORES];
88} cvmx_config_block_t;
89
90typedef struct event_counter_control_block {
91    int32_t read_cfg_blk;
92    char *config_blk_base_addr;
93    cvmx_config_block_t cfg_blk;
94} event_counter_control_block_t;
95
96extern void cvmx_update_perfcnt_irq(void);
97extern void cvmx_collect_sample(void);
98
99#ifdef  __cplusplus
100}
101#endif
102
103#endif	/*  __CVMX_PROFILER_H__ */
104