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      1 /*	$NetBSD: tprof_types.h,v 1.7 2023/04/11 10:07:12 msaitoh Exp $	*/
      2 
      3 /*-
      4  * Copyright (c)2010,2011 YAMAMOTO Takashi,
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 #ifndef _DEV_TPROF_TPROF_TYPES_H_
     30 #define _DEV_TPROF_TPROF_TYPES_H_
     31 
     32 /*
     33  * definitions used by both kernel and userland
     34  */
     35 
     36 #if defined(_KERNEL)
     37 #include <sys/types.h>
     38 #else
     39 #include <stdint.h>
     40 #endif
     41 
     42 #define TPROF_MAXCOUNTERS	32
     43 typedef uint32_t tprof_countermask_t;
     44 #define TPROF_COUNTERMASK_ALL	__BITS(31, 0)
     45 
     46 typedef struct {
     47 	uint32_t s_pid;		/* process id */
     48 	uint32_t s_lwpid;	/* lwp id */
     49 	uint32_t s_cpuid;	/* cpu id */
     50 	uint32_t s_flags;	/* flags and counterID */
     51 #define TPROF_SAMPLE_INKERNEL	0x00000001 /* s_pc is in kernel address space */
     52 #define	TPROF_SAMPLE_COUNTER_MASK 0xff000000 /* 0..(TPROF_MAXCOUNTERS-1) */
     53 	uintptr_t s_pc;		/* program counter */
     54 } tprof_sample_t;
     55 
     56 typedef struct tprof_param {
     57 	u_int p_counter;	/* 0..(TPROF_MAXCOUNTERS-1) */
     58 	u_int p__unused;
     59 	uint64_t p_event;	/* event class */
     60 	uint64_t p_unit;	/* unit within the event class */
     61 	uint64_t p_flags;
     62 #define	TPROF_PARAM_KERN		0x1
     63 #define	TPROF_PARAM_USER		0x2
     64 #define	TPROF_PARAM_PROFILE		0x4
     65 #define	TPROF_PARAM_VALUE2_MASK		__BITS(63, 60)
     66 #define	TPROF_PARAM_VALUE2_SCALE	__SHIFTIN(1, TPROF_PARAM_VALUE2_MASK)
     67 #define	TPROF_PARAM_VALUE2_TRIGGERCOUNT	__SHIFTIN(2, TPROF_PARAM_VALUE2_MASK)
     68 	uint64_t p_value;	/* initial value */
     69 	uint64_t p_value2;
     70 	/*
     71 	 * p_value2 is an optional value. (p_flags & TPROF_PARAM_VALUE2_MASK)
     72 	 * determines the usage.
     73 	 *
     74 	 * TPROF_PARAM_VALUE2_SCALE:
     75 	 *   Specify the counter speed as the reciprocal of the cycle counter
     76 	 *   speed ratio. if the counter is N times slower than the cycle
     77 	 *   counter, p_value2 is (0x1_0000_0000 / N). 0 is treated as 1.0.
     78 	 * TPROF_PARAM_VALUE2_TRIGGERCOUNT:
     79 	 *   When the event counter counts up p_value2, an interrupt for
     80 	 *   profile is generated. 0 is treated as 1.
     81 	 */
     82 } tprof_param_t;
     83 
     84 typedef struct tprof_counts {
     85 	uint32_t c_cpu;				/* W */
     86 	uint32_t c_ncounters;			/* R */
     87 	tprof_countermask_t c_runningmask;	/* R */
     88 	uint32_t c__unused;
     89 	uint64_t c_count[TPROF_MAXCOUNTERS];	/* R */
     90 } tprof_counts_t;
     91 
     92 /* ti_ident */
     93 #define	TPROF_IDENT_NONE		0x00
     94 #define	TPROF_IDENT_INTEL_GENERIC	0x01
     95 #define	TPROF_IDENT_AMD_GENERIC		0x02
     96 #define	TPROF_IDENT_ARMV8_GENERIC	0x03
     97 #define	TPROF_IDENT_ARMV7_GENERIC	0x04
     98 
     99 #endif /* _DEV_TPROF_TPROF_TYPES_H_ */
    100