1 files changed, 144 insertions, 0 deletions
diff --git a/sys/cddl/dev/prototype.c b/sys/cddl/dev/prototype.c
new file mode 100644
index 000000000000..6e31f19d5ce6
--- /dev/null
+++ b/sys/cddl/dev/prototype.c
@@ -0,0 +1,144 @@
+/*
+ * This file is freeware. You are free to use it and add your own
+ * license.
+ *
+ * $FreeBSD$
+ *
+ */
+
+#include <sys/cdefs.h>
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/conf.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+
+#include <sys/dtrace.h>
+
+static d_open_t	prototype_open;
+static int	prototype_unload(void);
+static void	prototype_getargdesc(void *, dtrace_id_t, void *, dtrace_argdesc_t *);
+static void	prototype_provide(void *, dtrace_probedesc_t *);
+static void	prototype_destroy(void *, dtrace_id_t, void *);
+static void	prototype_enable(void *, dtrace_id_t, void *);
+static void	prototype_disable(void *, dtrace_id_t, void *);
+static void	prototype_load(void *);
+
+static struct cdevsw prototype_cdevsw = {
+	.d_version	= D_VERSION,
+	.d_open		= prototype_open,
+	.d_name		= "prototype",
+};
+
+static dtrace_pattr_t prototype_attr = {
+{ DTRACE_STABILITY_EVOLVING, DTRACE_STABILITY_EVOLVING, DTRACE_CLASS_COMMON },
+{ DTRACE_STABILITY_PRIVATE, DTRACE_STABILITY_PRIVATE, DTRACE_CLASS_UNKNOWN },
+{ DTRACE_STABILITY_PRIVATE, DTRACE_STABILITY_PRIVATE, DTRACE_CLASS_ISA },
+{ DTRACE_STABILITY_EVOLVING, DTRACE_STABILITY_EVOLVING, DTRACE_CLASS_COMMON },
+{ DTRACE_STABILITY_PRIVATE, DTRACE_STABILITY_PRIVATE, DTRACE_CLASS_ISA },
+};
+
+static dtrace_pops_t prototype_pops = {
+	.dtps_provide =		prototype_provide,
+	.dtps_provide_module =	NULL,
+	.dtps_enable =		prototype_enable,
+	.dtps_disable =		prototype_disable,
+	.dtps_suspend =		NULL,
+	.dtps_resume =		NULL,
+	.dtps_getargdesc =	prototype_getargdesc,
+	.dtps_getargval =	NULL,
+	.dtps_usermode =	NULL,
+	.dtps_destroy =		prototype_destroy
+};
+
+static struct cdev		*prototype_cdev;
+static dtrace_provider_id_t	prototype_id;
+
+static void
+prototype_getargdesc(void *arg, dtrace_id_t id, void *parg, dtrace_argdesc_t *desc)
+{
+}
+
+static void
+prototype_provide(void *arg, dtrace_probedesc_t *desc)
+{
+}
+
+static void
+prototype_destroy(void *arg, dtrace_id_t id, void *parg)
+{
+}
+
+static void
+prototype_enable(void *arg, dtrace_id_t id, void *parg)
+{
+}
+
+static void
+prototype_disable(void *arg, dtrace_id_t id, void *parg)
+{
+}
+
+static void
+prototype_load(void *dummy)
+{
+	/* Create the /dev/dtrace/prototype entry. */
+	prototype_cdev = make_dev(&prototype_cdevsw, 0, UID_ROOT, GID_WHEEL, 0600,
+	    "dtrace/prototype");
+
+	if (dtrace_register("prototype", &prototype_attr, DTRACE_PRIV_USER,
+	    NULL, &prototype_pops, NULL, &prototype_id) != 0)
+		return;
+}
+
+
+static int
+prototype_unload()
+{
+	int error = 0;
+
+	if ((error = dtrace_unregister(prototype_id)) != 0)
+		return (error);
+
+	destroy_dev(prototype_cdev);
+
+	return (error);
+}
+
+static int
+prototype_modevent(module_t mod __unused, int type, void *data __unused)
+{
+	int error = 0;
+
+	switch (type) {
+	case MOD_LOAD:
+		break;
+
+	case MOD_UNLOAD:
+		break;
+
+	case MOD_SHUTDOWN:
+		break;
+
+	default:
+		error = EOPNOTSUPP;
+		break;
+
+	}
+
+	return (error);
+}
+
+static int
+prototype_open(struct cdev *dev __unused, int oflags __unused, int devtype __unused, struct thread *td __unused)
+{
+	return (0);
+}
+
+SYSINIT(prototype_load, SI_SUB_DTRACE_PROVIDER, SI_ORDER_ANY, prototype_load, NULL);
+SYSUNINIT(prototype_unload, SI_SUB_DTRACE_PROVIDER, SI_ORDER_ANY, prototype_unload, NULL);
+
+DEV_MODULE(prototype, prototype_modevent, NULL);
+MODULE_VERSION(prototype, 1);
+MODULE_DEPEND(prototype, dtrace, 1, 1, 1);
+MODULE_DEPEND(prototype, opensolaris, 1, 1, 1);