1179237Sjb/* 2179237Sjb * CDDL HEADER START 3179237Sjb * 4179237Sjb * The contents of this file are subject to the terms of the 5179237Sjb * Common Development and Distribution License (the "License"). 6179237Sjb * You may not use this file except in compliance with the License. 7179237Sjb * 8179237Sjb * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9179237Sjb * or http://www.opensolaris.org/os/licensing. 10179237Sjb * See the License for the specific language governing permissions 11179237Sjb * and limitations under the License. 12179237Sjb * 13179237Sjb * When distributing Covered Code, include this CDDL HEADER in each 14179237Sjb * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15179237Sjb * If applicable, add the following below this CDDL HEADER, with the 16179237Sjb * fields enclosed by brackets "[]" replaced with your own identifying 17179237Sjb * information: Portions Copyright [yyyy] [name of copyright owner] 18179237Sjb * 19179237Sjb * CDDL HEADER END 20179237Sjb * 21179237Sjb * $FreeBSD$ 22179237Sjb * 23179237Sjb */ 24179237Sjb 25179237Sjb#ifndef _DTRACE_CDDL_H_ 26179237Sjb#define _DTRACE_CDDL_H_ 27179237Sjb 28179237Sjb#include <sys/proc.h> 29179237Sjb 30179237Sjb#define LOCK_LEVEL 10 31179237Sjb 32179237Sjb/* 33179237Sjb * Kernel DTrace extension to 'struct proc' for FreeBSD. 34179237Sjb */ 35179237Sjbtypedef struct kdtrace_proc { 36179237Sjb int p_dtrace_probes; /* Are there probes for this proc? */ 37179237Sjb u_int64_t p_dtrace_count; /* Number of DTrace tracepoints */ 38179237Sjb void *p_dtrace_helpers; /* DTrace helpers, if any */ 39211610Srpaulo int p_dtrace_model; 40179237Sjb 41179237Sjb} kdtrace_proc_t; 42179237Sjb 43179237Sjb/* 44179237Sjb * Kernel DTrace extension to 'struct thread' for FreeBSD. 45179237Sjb */ 46179237Sjbtypedef struct kdtrace_thread { 47179237Sjb u_int8_t td_dtrace_stop; /* Indicates a DTrace-desired stop */ 48179237Sjb u_int8_t td_dtrace_sig; /* Signal sent via DTrace's raise() */ 49179237Sjb u_int td_predcache; /* DTrace predicate cache */ 50179237Sjb u_int64_t td_dtrace_vtime; /* DTrace virtual time */ 51179237Sjb u_int64_t td_dtrace_start; /* DTrace slice start time */ 52179237Sjb 53179237Sjb union __tdu { 54179237Sjb struct __tds { 55179237Sjb u_int8_t _td_dtrace_on; 56179237Sjb /* Hit a fasttrap tracepoint. */ 57179237Sjb u_int8_t _td_dtrace_step; 58179237Sjb /* About to return to kernel. */ 59179237Sjb u_int8_t _td_dtrace_ret; 60179237Sjb /* Handling a return probe. */ 61179237Sjb u_int8_t _td_dtrace_ast; 62179237Sjb /* Saved ast flag. */ 63211610Srpaulo#ifdef __amd64__ 64211610Srpaulo u_int8_t _td_dtrace_reg; 65211610Srpaulo#endif 66179237Sjb } _tds; 67179237Sjb u_long _td_dtrace_ft; /* Bitwise or of these flags. */ 68179237Sjb } _tdu; 69179237Sjb#define td_dtrace_ft _tdu._td_dtrace_ft 70179237Sjb#define td_dtrace_on _tdu._tds._td_dtrace_on 71179237Sjb#define td_dtrace_step _tdu._tds._td_dtrace_step 72179237Sjb#define td_dtrace_ret _tdu._tds._td_dtrace_ret 73179237Sjb#define td_dtrace_ast _tdu._tds._td_dtrace_ast 74211610Srpaulo#define td_dtrace_reg _tdu._tds._td_dtrace_reg 75179237Sjb 76179237Sjb uintptr_t td_dtrace_pc; /* DTrace saved pc from fasttrap. */ 77179237Sjb uintptr_t td_dtrace_npc; /* DTrace next pc from fasttrap. */ 78179237Sjb uintptr_t td_dtrace_scrpc; 79179237Sjb /* DTrace per-thread scratch location. */ 80179237Sjb uintptr_t td_dtrace_astpc; 81179237Sjb /* DTrace return sequence location. */ 82211610Srpaulo#ifdef __amd64__ 83211610Srpaulo uintptr_t td_dtrace_regv; 84211610Srpaulo#endif 85179237Sjb u_int64_t td_hrtime; /* Last time on cpu. */ 86179237Sjb int td_errno; /* Syscall return value. */ 87179237Sjb} kdtrace_thread_t; 88179237Sjb 89179237Sjb/* 90179237Sjb * Definitions to reference fields in the FreeBSD DTrace structures defined 91179237Sjb * above using the names of fields in similar structures in Solaris. Note 92179237Sjb * that the separation on FreeBSD is a licensing constraint designed to 93179237Sjb * keep the GENERIC kernel BSD licensed. 94179237Sjb */ 95179237Sjb#define t_dtrace_vtime td_dtrace->td_dtrace_vtime 96179237Sjb#define t_dtrace_start td_dtrace->td_dtrace_start 97179237Sjb#define t_dtrace_stop td_dtrace->td_dtrace_stop 98179237Sjb#define t_dtrace_sig td_dtrace->td_dtrace_sig 99179237Sjb#define t_predcache td_dtrace->td_predcache 100211610Srpaulo#define t_dtrace_ft td_dtrace->td_dtrace_ft 101211610Srpaulo#define t_dtrace_on td_dtrace->td_dtrace_on 102211610Srpaulo#define t_dtrace_step td_dtrace->td_dtrace_step 103211610Srpaulo#define t_dtrace_ret td_dtrace->td_dtrace_ret 104211610Srpaulo#define t_dtrace_ast td_dtrace->td_dtrace_ast 105211610Srpaulo#define t_dtrace_reg td_dtrace->td_dtrace_reg 106211610Srpaulo#define t_dtrace_pc td_dtrace->td_dtrace_pc 107211610Srpaulo#define t_dtrace_npc td_dtrace->td_dtrace_npc 108211610Srpaulo#define t_dtrace_scrpc td_dtrace->td_dtrace_scrpc 109211610Srpaulo#define t_dtrace_astpc td_dtrace->td_dtrace_astpc 110211610Srpaulo#define t_dtrace_regv td_dtrace->td_dtrace_regv 111211610Srpaulo#define p_dtrace_helpers p_dtrace->p_dtrace_helpers 112211610Srpaulo#define p_dtrace_count p_dtrace->p_dtrace_count 113211610Srpaulo#define p_dtrace_probes p_dtrace->p_dtrace_probes 114211610Srpaulo#define p_model p_dtrace->p_dtrace_model 115211610Srpaulo#define DATAMODEL_NATIVE 0 116211610Srpaulo#ifdef __amd64__ 117211610Srpaulo#define DATAMODEL_LP64 0 118211610Srpaulo#define DATAMODEL_ILP32 1 119211610Srpaulo#else 120211610Srpaulo#define DATAMODEL_LP64 1 121211610Srpaulo#define DATAMODEL_ILP32 0 122211610Srpaulo#endif 123179237Sjb 124179237Sjb/* 125211610Srpaulo * Definitions for fields in struct proc which are named differently in FreeBSD. 126179237Sjb */ 127179237Sjb#define p_cred p_ucred 128179237Sjb#define p_parent p_pptr 129179237Sjb 130179237Sjb/* 131211610Srpaulo * Definitions for fields in struct thread which are named differently in FreeBSD. 132179237Sjb */ 133179237Sjb#define t_procp td_proc 134179237Sjb#define t_tid td_tid 135179237Sjb#define t_did td_tid 136179237Sjb 137179237Sjb 138179237Sjbint priv_policy(const cred_t *, int, boolean_t, int, const char *); 139179237Sjbboolean_t priv_policy_only(const cred_t *, int, boolean_t); 140179237Sjbboolean_t priv_policy_choice(const cred_t *, int, boolean_t); 141179237Sjb 142179237Sjb/* 143179237Sjb * Test privilege. Audit success or failure, allow privilege debugging. 144179237Sjb * Returns 0 for success, err for failure. 145179237Sjb */ 146179237Sjb#define PRIV_POLICY(cred, priv, all, err, reason) \ 147179237Sjb priv_policy((cred), (priv), (all), (err), (reason)) 148179237Sjb 149179237Sjb/* 150179237Sjb * Test privilege. Audit success only, no privilege debugging. 151179237Sjb * Returns 1 for success, and 0 for failure. 152179237Sjb */ 153179237Sjb#define PRIV_POLICY_CHOICE(cred, priv, all) \ 154179237Sjb priv_policy_choice((cred), (priv), (all)) 155179237Sjb 156179237Sjb/* 157179237Sjb * Test privilege. No priv_debugging, no auditing. 158179237Sjb * Returns 1 for success, and 0 for failure. 159179237Sjb */ 160179237Sjb 161179237Sjb#define PRIV_POLICY_ONLY(cred, priv, all) \ 162179237Sjb priv_policy_only((cred), (priv), (all)) 163179237Sjb 164179237Sjb#endif /* !_DTRACE_CDDL_H_ */ 165