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rf_compat50.c revision 1.1.4.1
      1 /*	$NetBSD: rf_compat50.c,v 1.1.4.1 2009/05/13 17:21:16 jym Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2009 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Christos Zoulas.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include <sys/types.h>
     40 #include <sys/param.h>
     41 #include <sys/systm.h>
     42 
     43 #include <dev/raidframe/raidframeio.h>
     44 #include <dev/raidframe/raidframevar.h>
     45 
     46 #include "rf_raid.h"
     47 #include "rf_compat50.h"
     48 #include "rf_debugMem.h"
     49 
     50 typedef struct RF_Config50_s {
     51 	RF_RowCol_t		numRow, numCol, numSpare;
     52 	int32_t			devs[RF_MAXROW][RF_MAXCOL];
     53 	char			devnames[RF_MAXROW][RF_MAXCOL][50];
     54 	int32_t			spare_devs[RF_MAXSPARE];
     55 	char			spare_names[RF_MAXSPARE][50];
     56 	RF_SectorNum_t		sectPerSU;
     57 	RF_StripeNum_t		SUsPerPU;
     58 	RF_StripeNum_t		SUsPerRU;
     59 	RF_ParityConfig_t	parityConfig;
     60 	RF_DiskQueueType_t	diskQueueType;
     61 	char			maxOutstandingDiskReqs;
     62 	char			debugVars[RF_MAXDBGV][50];
     63 	unsigned int		layoutSpecificSize;
     64 	void		       *layoutSpecific;
     65 	int			force;
     66 } RF_Config50_t;
     67 
     68 typedef struct RF_RaidDisk50_s {
     69         char		 devname[56];
     70         RF_DiskStatus_t	 status;
     71         RF_RowCol_t	 spareRow;
     72         RF_RowCol_t	 spareCol;
     73         RF_SectorCount_t numBlocks;
     74         int     	 blockSize;
     75         RF_SectorCount_t partitionSize;
     76         int    		 auto_configured;
     77         int32_t		 dev;
     78 } RF_RaidDisk50_t;
     79 
     80 typedef struct RF_DeviceConfig50_s {
     81 	u_int			rows;
     82 	u_int			cols;
     83 	u_int			maxqdepth;
     84 	int			ndevs;
     85 	RF_RaidDisk50_t		devs[RF_MAX_DISKS];
     86 	int			nspares;
     87 	RF_RaidDisk50_t		spares[RF_MAX_DISKS];
     88 } RF_DeviceConfig50_t;
     89 
     90 static void
     91 rf_disk_to_disk50(RF_RaidDisk50_t *d50, const RF_RaidDisk_t *d)
     92 {
     93         memcpy(d50->devname, d->devname, sizeof(d50->devname));
     94         d50->status = d->status;
     95         d50->spareRow = d->spareRow;
     96         d50->spareCol = d->spareCol;
     97         d50->numBlocks = d->numBlocks;
     98         d50->blockSize = d->blockSize;
     99         d50->partitionSize = d->partitionSize;
    100         d50->auto_configured = d->auto_configured;
    101         d50->dev = d->dev;
    102 }
    103 
    104 int
    105 rf_config50(RF_Raid_t *raidPtr, int unit, void *data, RF_Config_t **k_cfgp)
    106 {
    107 	RF_Config50_t *u50_cfg, *k50_cfg;
    108 	RF_Config_t *k_cfg;
    109 	size_t i, j;
    110 	int error;
    111 
    112 	if (raidPtr->valid) {
    113 		/* There is a valid RAID set running on this unit! */
    114 		printf("raid%d: Device already configured!\n", unit);
    115 		return EINVAL;
    116 	}
    117 
    118 	/* copy-in the configuration information */
    119 	/* data points to a pointer to the configuration structure */
    120 
    121 	u50_cfg = *((RF_Config50_t **) data);
    122 	RF_Malloc(k50_cfg, sizeof(RF_Config50_t), (RF_Config50_t *));
    123 	if (k50_cfg == NULL)
    124 		return ENOMEM;
    125 
    126 	error = copyin(u50_cfg, k50_cfg, sizeof(RF_Config50_t));
    127 	if (error) {
    128 		RF_Free(k50_cfg, sizeof(RF_Config50_t));
    129 		return error;
    130 	}
    131 	RF_Malloc(k_cfg, sizeof(RF_Config_t), (RF_Config_t *));
    132 	if (k_cfg == NULL) {
    133 		RF_Free(k50_cfg, sizeof(RF_Config50_t));
    134 		return ENOMEM;
    135 	}
    136 
    137 	k_cfg->numRow = k50_cfg->numRow;
    138 	k_cfg->numCol = k50_cfg->numCol;
    139 	k_cfg->numSpare = k50_cfg->numSpare;
    140 
    141 	for (i = 0; i < RF_MAXROW; i++)
    142 		for (j = 0; j < RF_MAXCOL; j++)
    143 			k_cfg->devs[i][j] = k50_cfg->devs[i][j];
    144 
    145 	memcpy(k_cfg->devnames, k50_cfg->devnames,
    146 	    sizeof(k_cfg->devnames));
    147 
    148 	for (i = 0; i < RF_MAXSPARE; i++)
    149 		k_cfg->spare_devs[i] = k50_cfg->spare_devs[i];
    150 
    151 	memcpy(k_cfg->spare_names, k50_cfg->spare_names,
    152 	    sizeof(k_cfg->spare_names));
    153 
    154 	k_cfg->sectPerSU = k50_cfg->sectPerSU;
    155 	k_cfg->SUsPerPU = k50_cfg->SUsPerPU;
    156 	k_cfg->SUsPerRU = k50_cfg->SUsPerRU;
    157 	k_cfg->parityConfig = k50_cfg->parityConfig;
    158 
    159 	memcpy(k_cfg->diskQueueType, k50_cfg->diskQueueType,
    160 	    sizeof(k_cfg->diskQueueType));
    161 
    162 	k_cfg->maxOutstandingDiskReqs = k50_cfg->maxOutstandingDiskReqs;
    163 
    164 	memcpy(k_cfg->debugVars, k50_cfg->debugVars,
    165 	    sizeof(k_cfg->debugVars));
    166 
    167 	k_cfg->layoutSpecificSize = k50_cfg->layoutSpecificSize;
    168 	k_cfg->layoutSpecific = k50_cfg->layoutSpecific;
    169 	k_cfg->force = k50_cfg->force;
    170 
    171 	RF_Free(k50_cfg, sizeof(RF_Config50_t));
    172 	*k_cfgp = k_cfg;
    173 	return 0;
    174 }
    175 
    176 int
    177 rf_get_info50(RF_Raid_t *raidPtr, void *data)
    178 {
    179 	RF_DeviceConfig50_t **ucfgp = data, *d_cfg;
    180 	size_t i, j;
    181 	int error;
    182 
    183 	if (!raidPtr->valid)
    184 		return ENODEV;
    185 
    186 	RF_Malloc(d_cfg, sizeof(RF_DeviceConfig50_t), (RF_DeviceConfig50_t *));
    187 
    188 	if (d_cfg == NULL)
    189 		return ENOMEM;
    190 
    191 	d_cfg->rows = 1; /* there is only 1 row now */
    192 	d_cfg->cols = raidPtr->numCol;
    193 	d_cfg->ndevs = raidPtr->numCol;
    194 	if (d_cfg->ndevs >= RF_MAX_DISKS)
    195 		goto nomem;
    196 
    197 	d_cfg->nspares = raidPtr->numSpare;
    198 	if (d_cfg->nspares >= RF_MAX_DISKS)
    199 		goto nomem;
    200 
    201 	d_cfg->maxqdepth = raidPtr->maxQueueDepth;
    202 	for (j = 0; j < d_cfg->cols; j++)
    203 		rf_disk_to_disk50(&d_cfg->devs[j], &raidPtr->Disks[j]);
    204 
    205 	for (j = d_cfg->cols, i = 0; i < d_cfg->nspares; i++, j++)
    206 		rf_disk_to_disk50(&d_cfg->spares[i], &raidPtr->Disks[j]);
    207 
    208 	error = copyout(d_cfg, *ucfgp, sizeof(RF_DeviceConfig50_t));
    209 	RF_Free(d_cfg, sizeof(RF_DeviceConfig50_t));
    210 
    211 	return error;
    212 nomem:
    213 	RF_Free(d_cfg, sizeof(RF_DeviceConfig_t));
    214 	return ENOMEM;
    215 }
    216