1 files changed, 134 insertions, 0 deletions
diff --git a/sys/cddl/dev/dtrace/dtrace_cddl.h b/sys/cddl/dev/dtrace/dtrace_cddl.h
new file mode 100644
index 0000000..75fe864
--- /dev/null
+++ b/sys/cddl/dev/dtrace/dtrace_cddl.h
@@ -0,0 +1,134 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ *
+ * $FreeBSD$
+ *
+ */
+
+#ifndef _DTRACE_CDDL_H_
+#define	_DTRACE_CDDL_H_
+
+#include <sys/proc.h>
+
+#define LOCK_LEVEL	10
+
+/*
+ * Kernel DTrace extension to 'struct proc' for FreeBSD.
+ */
+typedef struct kdtrace_proc {
+	int		p_dtrace_probes;	/* Are there probes for this proc? */
+	u_int64_t	p_dtrace_count;		/* Number of DTrace tracepoints */
+	void		*p_dtrace_helpers;	/* DTrace helpers, if any */
+
+} kdtrace_proc_t;
+
+/*
+ * Kernel DTrace extension to 'struct thread' for FreeBSD.
+ */
+typedef struct kdtrace_thread {
+	u_int8_t	td_dtrace_stop;	/* Indicates a DTrace-desired stop */
+	u_int8_t	td_dtrace_sig;	/* Signal sent via DTrace's raise() */
+	u_int		td_predcache;	/* DTrace predicate cache */
+	u_int64_t	td_dtrace_vtime; /* DTrace virtual time */
+	u_int64_t	td_dtrace_start; /* DTrace slice start time */
+
+	union __tdu {
+		struct __tds {
+			u_int8_t	_td_dtrace_on;
+					/* Hit a fasttrap tracepoint. */
+			u_int8_t	_td_dtrace_step;
+					/* About to return to kernel. */
+			u_int8_t	_td_dtrace_ret;
+					/* Handling a return probe. */
+			u_int8_t	_td_dtrace_ast;
+					/* Saved ast flag. */
+		} _tds;
+		u_long	_td_dtrace_ft;	/* Bitwise or of these flags. */
+	} _tdu;
+#define	td_dtrace_ft	_tdu._td_dtrace_ft
+#define	td_dtrace_on	_tdu._tds._td_dtrace_on
+#define	td_dtrace_step	_tdu._tds._td_dtrace_step
+#define	td_dtrace_ret	_tdu._tds._td_dtrace_ret
+#define	td_dtrace_ast	_tdu._tds._td_dtrace_ast
+
+	uintptr_t	td_dtrace_pc;	/* DTrace saved pc from fasttrap. */
+	uintptr_t	td_dtrace_npc;	/* DTrace next pc from fasttrap. */
+	uintptr_t	td_dtrace_scrpc;
+					/* DTrace per-thread scratch location. */
+	uintptr_t	td_dtrace_astpc;
+					/* DTrace return sequence location. */
+	u_int64_t	td_hrtime;	/* Last time on cpu. */
+	int		td_errno;	/* Syscall return value. */
+} kdtrace_thread_t;
+
+/*
+ * Definitions to reference fields in the FreeBSD DTrace structures defined
+ * above using the names of fields in similar structures in Solaris. Note 
+ * that the separation on FreeBSD is a licensing constraint designed to
+ * keep the GENERIC kernel BSD licensed.
+ */
+#define	t_dtrace_vtime	td_dtrace->td_dtrace_vtime
+#define	t_dtrace_start	td_dtrace->td_dtrace_start
+#define	t_dtrace_stop	td_dtrace->td_dtrace_stop
+#define	t_dtrace_sig	td_dtrace->td_dtrace_sig
+#define	t_predcache	td_dtrace->td_predcache
+#define p_dtrace_helpers	p_dtrace->p_dtrace_helpers
+
+/*
+ * Definitions for fields in struct proc which are named differntly in FreeBSD.
+ */
+#define	p_cred		p_ucred
+#define	p_parent	p_pptr
+
+/*
+ * Definitions for fields in struct thread which are named differntly in FreeBSD.
+ */
+#define	t_procp		td_proc
+#define	t_tid		td_tid
+#define	t_did		td_tid
+
+
+int priv_policy(const cred_t *, int, boolean_t, int, const char *);
+boolean_t priv_policy_only(const cred_t *, int, boolean_t);
+boolean_t priv_policy_choice(const cred_t *, int, boolean_t);
+
+/*
+ * Test privilege. Audit success or failure, allow privilege debugging.
+ * Returns 0 for success, err for failure.
+ */
+#define	PRIV_POLICY(cred, priv, all, err, reason) \
+		priv_policy((cred), (priv), (all), (err), (reason))
+
+/*
+ * Test privilege. Audit success only, no privilege debugging.
+ * Returns 1 for success, and 0 for failure.
+ */
+#define	PRIV_POLICY_CHOICE(cred, priv, all) \
+		priv_policy_choice((cred), (priv), (all))
+
+/*
+ * Test privilege. No priv_debugging, no auditing.
+ * Returns 1 for success, and 0 for failure.
+ */
+
+#define	PRIV_POLICY_ONLY(cred, priv, all) \
+		priv_policy_only((cred), (priv), (all))
+
+#endif	/* !_DTRACE_CDDL_H_ */