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authorgrog <grog@FreeBSD.org>1998-09-16 05:56:21 +0000
committergrog <grog@FreeBSD.org>1998-09-16 05:56:21 +0000
commit633c70539f9a75caebb97293bd237b0611df1427 (patch)
tree06e58703e575814c95eee8c95d24a99e35d8eb69 /sys/dev/vinum/vinumio.h
downloadFreeBSD-src-633c70539f9a75caebb97293bd237b0611df1427.zip
FreeBSD-src-633c70539f9a75caebb97293bd237b0611df1427.tar.gz
Import base vinum lkm sources
Diffstat (limited to 'sys/dev/vinum/vinumio.h')
-rw-r--r--sys/dev/vinum/vinumio.h132
1 files changed, 132 insertions, 0 deletions
diff --git a/sys/dev/vinum/vinumio.h b/sys/dev/vinum/vinumio.h
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+/*-
+ * Copyright (c) 1997, 1998
+ * Nan Yang Computer Services Limited. All rights reserved.
+ *
+ * This software is distributed under the so-called ``Berkeley
+ * License'':
+ *
+ * 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. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by Nan Yang Computer
+ * Services Limited.
+ * 4. Neither the name of the Company nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * This software is provided ``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 company 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.
+ *
+ * $Id: vinumio.h,v 1.10 1998/08/10 05:46:19 grog Exp grog $
+ */
+
+#define MAX_IOCTL_REPLY 256
+#define L 'F' /* ID letter of our ioctls */
+/* VINUM_CREATE returns a buffer of this kind */
+struct _ioctl_reply {
+ int error;
+ char msg[MAX_IOCTL_REPLY];
+};
+
+/* ioctl requests */
+#define BUFSIZE 1024 /* size of buffer, including continuations */
+#define VINUM_CREATE _IOC(IOC_IN | IOC_OUT, L, 64, BUFSIZE) /* configure vinum */
+#define VINUM_GETCONFIG _IOR(L, 65, struct _vinum_conf) /* get global config */
+#define VINUM_DRIVECONFIG _IOWR(L, 66, struct drive) /* get drive config */
+#define VINUM_SDCONFIG _IOWR(L, 67, struct sd) /* get subdisk config */
+#define VINUM_PLEXCONFIG _IOWR(L, 68, struct plex) /* get plex config */
+#define VINUM_VOLCONFIG _IOWR(L, 69, struct volume) /* get volume config */
+#define VINUM_PLEXSDCONFIG _IOWR(L, 70, struct sd) /* get sd config for plex (plex, sdno) */
+#define VINUM_GETFREELIST _IOWR(L, 71, struct drive_freelist) /* get freelist element (drive, fe) */
+#define VINUM_SAVECONFIG _IOC(0, L, 72, 0) /* release locks, update, write config to disk */
+#define VINUM_RESETCONFIG _IOC(0, L, 73, 0) /* trash config on disk */
+#define VINUM_INIT _IOC(0, L, 74, 0) /* read config from disk */
+#ifdef DEBUG
+
+struct debuginfo {
+ int changeit;
+ int param;
+};
+
+#define VINUM_DEBUG _IOWR(L, 75, struct debuginfo) /* call the debugger from ioctl () */
+#endif
+
+enum objecttype {
+ drive_object,
+ sd_object,
+ plex_object,
+ volume_object,
+ invalid_object
+};
+
+/* Start an object. Pass two integers:
+ * msg [0] index in vinum_conf.<object>
+ * msg [1] type of object (see below)
+ *
+ * Return ioctl_reply
+ */
+#define VINUM_SETSTATE _IOC(IOC_IN | IOC_OUT, L, 76, MAX_IOCTL_REPLY) /* start an object */
+
+/* The state to set with VINUM_SETSTATE. Since
+ * each object has a different set of states, we
+ * need to translate later */
+enum objectstate {
+ object_down,
+ object_initializing,
+ object_up
+};
+
+/* This structure is used for modifying objects
+ * (VINUM_SETSTATE, VINUM_REMOVE, VINUM_RESETSTATS, VINUM_ATTACH,
+ * VINUM_DETACH, VINUM_REPLACE
+ */
+struct vinum_ioctl_msg {
+ int index;
+ enum objecttype type;
+ enum objectstate state; /* state to set (VINUM_SETSTATE) */
+ int force; /* do it even if it doesn't make sense */
+ int recurse; /* recurse (VINUM_REMOVE) */
+ int otherobject; /* superordinate object (attach),
+ * replacement object (replace) */
+ int rename; /* rename object (attach) */
+ int64_t offset; /* offset of subdisk (for attach) */
+};
+
+#define VINUM_RELEASECONFIG _IOC(0, L, 77, 0) /* release locks and write config to disk */
+#define VINUM_STARTCONFIG _IOC(0, L, 78, 0) /* start a configuration operation */
+#define VINUM_MEMINFO _IOR(L, 79, struct meminfo) /* get memory usage summary */
+#define VINUM_MALLOCINFO _IOWR(L, 80, struct mc) /* get specific malloc information [i] */
+#define VINUM_LABEL _IOC(IOC_IN | IOC_OUT, L, 81, MAX_IOCTL_REPLY) /* label a volume */
+#define VINUM_INITSD _IOW(L, 82, int) /* initialize a subdisk */
+#define VINUM_REMOVE _IOC(IOC_IN | IOC_OUT, L, 83, MAX_IOCTL_REPLY) /* remove an object */
+#define VINUM_GETUNMAPPED _IOWR(L, 84, struct plexregion) /* get unmapped element (plex, re) */
+#define VINUM_GETDEFECTIVE _IOWR(L, 85, struct plexregion) /* get defective element (plex, re) */
+#define VINUM_RESETSTATS _IOC(IOC_IN | IOC_OUT, L, 86, MAX_IOCTL_REPLY) /* reset object stats */
+#define VINUM_ATTACH _IOC(IOC_IN | IOC_OUT, L, 87, MAX_IOCTL_REPLY) /* reset object stats */
+#define VINUM_DETACH _IOC(IOC_IN | IOC_OUT, L, 88, MAX_IOCTL_REPLY) /* reset object stats */
+
+struct vinum_rename_msg {
+ int index;
+ int recurse; /* rename subordinate objects too */
+ enum objecttype type;
+ char newname[MAXNAME]; /* new name to give to object */
+};
+
+#define VINUM_RENAME _IOC(IOC_IN | IOC_OUT, L, 89, MAX_IOCTL_REPLY) /* reset object stats */
+#define VINUM_REPLACE _IOC(IOC_IN | IOC_OUT, L, 90, MAX_IOCTL_REPLY) /* reset object stats */
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