Start leaking the AOM api into the tree.

2 files changed, 149 insertions, 0 deletions

diff --git a/sys/geom/geom_ctl.h b/sys/geom/geom_ctl.h
new file mode 100644
index 0000000..240a48a
--- /dev/null
+++ b/sys/geom/geom_ctl.h
@@ -0,0 +1,86 @@
+/*-
+ * Copyright (c) 2003 Poul-Henning Kamp
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The names of the authors may not be used to endorse or promote
+ *    products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _GEOM_GEOM_CTL_H_
+#define _GEOM_GEOM_CTL_H_
+
+/*
+ * Version number.  Used to check consistency between kernel and libgeom.
+ */
+#define GEOM_CTL_VERSION	1
+
+/*
+ * Primitives.
+ */
+enum geom_ctl_request {
+	GEOM_INVALID_REQUEST = 0,
+	GEOM_CREATE_GEOM,
+	GEOM_NEW_GEOM,
+	GEOM_ATTACH,
+	GEOM_DETACH,
+	GEOM_CREATE_PROVIDER,
+	GEOM_DESTROY_PROVIDER,
+	GEOM_INSERT_GEOM,
+	GEOM_ELIMINATE_GEOM,
+	GEOM_WRITE_META,
+	GEOM_READ_META
+};
+
+#ifdef GEOM_CTL_TABLE
+struct geom_ctl_req_table {
+	int             	class;
+	int             	geom;
+	int             	provider;
+	int             	consumer;
+	int             	params;
+	int             	meta;
+	char			*name;
+	enum geom_ctl_request	request;
+} gcrt[] = {
+/*        Cl Ge Pr Co Pa Me Name                Request			*/
+	{ 1, 1, 1, 0, 1, 0, "create geom",	GEOM_CREATE_GEOM            },
+	{ 1, 1, 0, 0, 1, 0, "new geom",		GEOM_NEW_GEOM               },
+	{ 0, 1, 1, 0, 1, 0, "attach",		GEOM_ATTACH                 },
+	{ 0, 1, 1, 0, 1, 0, "detach",		GEOM_DETACH                 },
+	{ 0, 1, 0, 0, 1, 0, "create provider",	GEOM_CREATE_PROVIDER        },
+	{ 0, 1, 1, 0, 1, 0, "destroy provider",	GEOM_DESTROY_PROVIDER       },
+	{ 1, 1, 1, 0, 1, 0, "insert geom",	GEOM_INSERT_GEOM            },
+	{ 0, 1, 0, 0, 1, 0, "eliminate geom",	GEOM_ELIMINATE_GEOM         },
+	{ 0, 1, 0, 0, 1, 1, "write meta",	GEOM_WRITE_META             },
+	{ 0, 1, 0, 0, 1, 1, "read meta",	GEOM_READ_META              },
+
+	/* Terminator entry */
+	{ 1, 1, 1, 1, 1, 1, "*INVALID*",	GEOM_INVALID_REQUEST        }
+};
+
+#endif /* GEOM_CTL_TABLE */
+
+#endif /* _GEOM_GEOM_CTL_H_ */
diff --git a/sys/geom/geom_ext.h b/sys/geom/geom_ext.h
new file mode 100644
index 0000000..15c0d17
--- /dev/null
+++ b/sys/geom/geom_ext.h
@@ -0,0 +1,63 @@
+/*-
+ * Copyright (c) 2003 Poul-Henning Kamp
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The names of the authors may not be used to endorse or promote
+ *    products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * This file defines the interface between libgeom and the geom control device
+ * in the kernel, the interfaces defined herein are to be considered private
+ * and may only be used by libgeom.  Applications wishing to interact with
+ * the geom subsystem must use libgeoms published APIs.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _GEOM_GEOM_EXT_H_
+#define _GEOM_GEOM_EXT_H_
+
+#include <sys/ioccom.h>
+
+struct geom_ctl_req_arg {
+	u_int				nlen;
+	char				*name;
+	off_t				offset;
+	int				len;
+	void				*value;
+};
+
+struct geom_ctl_req {
+	u_int				version;
+	u_int				serial;
+	enum geom_ctl_request		request;
+	u_int				narg;
+	struct geom_ctl_req_arg		*arg;
+	u_int				lerror;
+	char				*error;
+	struct geom_ctl_req_table	*reqt;
+};
+
+#define GEOM_CTL	_IOW('G', GEOM_CTL_VERSION, struct geom_ctl_req)
+
+#endif /* _GEOM_GEOM_EXT_H_ */