After much delay and anticipation, welcome RAIDFrame into the FreeBSD

world.  This should be considered highly experimental.

Approved-by:	re

1 files changed, 152 insertions, 0 deletions

diff --git a/sys/dev/raidframe/rf_bsd.h b/sys/dev/raidframe/rf_bsd.h
new file mode 100644
index 0000000..14c10f5
--- /dev/null
+++ b/sys/dev/raidframe/rf_bsd.h
@@ -0,0 +1,152 @@
+/*	$FreeBSD$ */
+/*	$NetBSD: rf_netbsd.h,v 1.12 2000/05/28 22:53:49 oster Exp $	*/
+
+/*-
+ * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Greg Oster; Jason R. Thorpe.
+ *
+ * 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 the NetBSD
+ *        Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation 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 BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
+ */
+
+#ifndef _RF__RF_BSD_H_
+#define _RF__RF_BSD_H_
+
+#ifdef _KERNEL
+#include <sys/fcntl.h>
+#include <sys/systm.h>
+#include <sys/namei.h>
+#include <sys/vnode.h>
+#include "opt_raid.h"
+
+#ifdef RAID_DEBUG
+#define rf_printf(lvl, fmt, args...)				\
+	do {							\
+		if (lvl <= RAID_DEBUG) printf(fmt, ##args);	\
+	} while(0)
+
+#else				/* DEBUG */
+#define rf_printf(lvl, fmt, args...) { }
+#endif				/* DEBUG */
+#endif /* _KERNEL */
+
+/* The per-component label information that the user can set */
+typedef struct RF_ComponentInfo_s {
+	int row;              /* the row number of this component */
+	int column;           /* the column number of this component */
+	int serial_number;    /* a user-specified serial number for this
+				 RAID set */
+} RF_ComponentInfo_t;
+
+/* The per-component label information */
+typedef struct RF_ComponentLabel_s {
+	int version;          /* The version of this label. */
+	int serial_number;    /* a user-specified serial number for this
+				 RAID set */
+	int mod_counter;      /* modification counter.  Changed (usually
+				 by incrementing) every time the label 
+				 is changed */
+	int row;              /* the row number of this component */
+	int column;           /* the column number of this component */
+	int num_rows;         /* number of rows in this RAID set */
+	int num_columns;      /* number of columns in this RAID set */
+	int clean;            /* 1 when clean, 0 when dirty */
+	int status;           /* rf_ds_optimal, rf_ds_dist_spared, whatever. */
+	/* stuff that will be in version 2 of the label */
+	int sectPerSU;        /* Sectors per Stripe Unit */
+	int SUsPerPU;         /* Stripe Units per Parity Units */
+	int SUsPerRU;         /* Stripe Units per Reconstruction Units */
+	int parityConfig;     /* '0' == RAID0, '1' == RAID1, etc. */
+	int maxOutstanding;   /* maxOutstanding disk requests */
+	int blockSize;        /* size of component block. 
+				 (disklabel->d_secsize) */
+	int numBlocks;        /* number of blocks on this component.  May
+			         be smaller than the partition size. */
+	int partitionSize;    /* number of blocks on this *partition*. 
+				 Must exactly match the partition size
+				 from the disklabel. */
+	int future_use[33];   /* Future expansion */
+	int autoconfigure;    /* automatically configure this RAID set. 
+				 0 == no, 1 == yes */
+	int root_partition;   /* Use this set as /
+				 0 == no, 1 == yes*/
+	int last_unit;        /* last unit number (e.g. 0 for /dev/raid0) 
+				 of this component.  Used for autoconfigure
+				 only. */
+	int config_order;     /* 0 .. n.  The order in which the component
+				 should be auto-configured.  E.g. 0 is will 
+				 done first, (and would become raid0).
+				 This may be in conflict with last_unit!!?! */
+	                      /* Not currently used. */
+	int future_use2[44];  /* More future expansion */
+} RF_ComponentLabel_t;
+
+typedef struct RF_SingleComponent_s {
+	int row;
+	int column;
+	char component_name[50]; /* name of the component */
+} RF_SingleComponent_t; 
+
+#ifdef _KERNEL
+
+struct raidcinfo {
+	struct vnode *ci_vp;	/* component device's vnode */
+	dev_t   ci_dev;		/* component device's dev_t */
+	RF_ComponentLabel_t ci_label; /* components RAIDframe label */
+#if 0
+	size_t  ci_size;	/* size */
+	char   *ci_path;	/* path to component */
+	size_t  ci_pathlen;	/* length of component path */
+#endif
+};
+
+
+
+/* XXX probably belongs in a different .h file. */
+typedef struct RF_AutoConfig_s {
+	char devname[56];       /* the name of this component */
+	int flag;               /* a general-purpose flag */
+	dev_t dev;              /* the device for this component */
+	struct vnode *vp;       /* Mr. Vnode Pointer */
+	RF_ComponentLabel_t *clabel;  /* the label */
+	struct RF_AutoConfig_s *next; /* the next autoconfig structure 
+				         in this set. */
+} RF_AutoConfig_t;
+
+typedef struct RF_ConfigSet_s {
+	struct RF_AutoConfig_s *ac; /* all of the autoconfig structures for
+				       this config set. */
+	int rootable;               /* Set to 1 if this set can be root */
+	struct RF_ConfigSet_s *next;
+} RF_ConfigSet_t;
+
+#endif /* _KERNEL */
+#endif /* _RF__RF_BSD_H_ */