NetBSD/sys/dev/raidframe/rf_compat50.c

216 lines
6.5 KiB
C

/* $NetBSD: rf_compat50.c,v 1.2 2009/05/02 21:11:26 oster Exp $ */
/*-
* Copyright (c) 2009 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Christos Zoulas.
*
* 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.
*/
#include <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <dev/raidframe/raidframeio.h>
#include <dev/raidframe/raidframevar.h>
#include "rf_raid.h"
#include "rf_compat50.h"
#include "rf_debugMem.h"
typedef struct RF_Config50_s {
RF_RowCol_t numRow, numCol, numSpare;
int32_t devs[RF_MAXROW][RF_MAXCOL];
char devnames[RF_MAXROW][RF_MAXCOL][50];
int32_t spare_devs[RF_MAXSPARE];
char spare_names[RF_MAXSPARE][50];
RF_SectorNum_t sectPerSU;
RF_StripeNum_t SUsPerPU;
RF_StripeNum_t SUsPerRU;
RF_ParityConfig_t parityConfig;
RF_DiskQueueType_t diskQueueType;
char maxOutstandingDiskReqs;
char debugVars[RF_MAXDBGV][50];
unsigned int layoutSpecificSize;
void *layoutSpecific;
int force;
} RF_Config50_t;
typedef struct RF_RaidDisk50_s {
char devname[56];
RF_DiskStatus_t status;
RF_RowCol_t spareRow;
RF_RowCol_t spareCol;
RF_SectorCount_t numBlocks;
int blockSize;
RF_SectorCount_t partitionSize;
int auto_configured;
int32_t dev;
} RF_RaidDisk50_t;
typedef struct RF_DeviceConfig50_s {
u_int rows;
u_int cols;
u_int maxqdepth;
int ndevs;
RF_RaidDisk50_t devs[RF_MAX_DISKS];
int nspares;
RF_RaidDisk50_t spares[RF_MAX_DISKS];
} RF_DeviceConfig50_t;
static void
rf_disk_to_disk50(RF_RaidDisk50_t *d50, const RF_RaidDisk_t *d)
{
memcpy(d50->devname, d->devname, sizeof(d50->devname));
d50->status = d->status;
d50->spareRow = d->spareRow;
d50->spareCol = d->spareCol;
d50->numBlocks = d->numBlocks;
d50->blockSize = d->blockSize;
d50->partitionSize = d->partitionSize;
d50->auto_configured = d->auto_configured;
d50->dev = d->dev;
}
int
rf_config50(RF_Raid_t *raidPtr, int unit, void *data, RF_Config_t **k_cfgp)
{
RF_Config50_t *u50_cfg, *k50_cfg;
RF_Config_t *k_cfg;
size_t i, j;
int error;
if (raidPtr->valid) {
/* There is a valid RAID set running on this unit! */
printf("raid%d: Device already configured!\n", unit);
return EINVAL;
}
/* copy-in the configuration information */
/* data points to a pointer to the configuration structure */
u50_cfg = *((RF_Config50_t **) data);
RF_Malloc(k50_cfg, sizeof(RF_Config50_t), (RF_Config50_t *));
if (k50_cfg == NULL)
return ENOMEM;
error = copyin(u50_cfg, k50_cfg, sizeof(RF_Config50_t));
if (error) {
RF_Free(k50_cfg, sizeof(RF_Config50_t));
return error;
}
RF_Malloc(k_cfg, sizeof(RF_Config_t), (RF_Config_t *));
if (k_cfg == NULL) {
RF_Free(k50_cfg, sizeof(RF_Config50_t));
return ENOMEM;
}
k_cfg->numRow = k50_cfg->numRow;
k_cfg->numCol = k50_cfg->numCol;
k_cfg->numSpare = k50_cfg->numSpare;
for (i = 0; i < RF_MAXROW; i++)
for (j = 0; j < RF_MAXCOL; j++)
k_cfg->devs[i][j] = k50_cfg->devs[i][j];
memcpy(k_cfg->devnames, k50_cfg->devnames,
sizeof(k_cfg->devnames));
for (i = 0; i < RF_MAXSPARE; i++)
k_cfg->spare_devs[i] = k50_cfg->spare_devs[i];
memcpy(k_cfg->spare_names, k50_cfg->spare_names,
sizeof(k_cfg->spare_names));
k_cfg->sectPerSU = k50_cfg->sectPerSU;
k_cfg->SUsPerPU = k50_cfg->SUsPerPU;
k_cfg->SUsPerRU = k50_cfg->SUsPerRU;
k_cfg->parityConfig = k50_cfg->parityConfig;
memcpy(k_cfg->diskQueueType, k50_cfg->diskQueueType,
sizeof(k_cfg->diskQueueType));
k_cfg->maxOutstandingDiskReqs = k50_cfg->maxOutstandingDiskReqs;
memcpy(k_cfg->debugVars, k50_cfg->debugVars,
sizeof(k_cfg->debugVars));
k_cfg->layoutSpecificSize = k50_cfg->layoutSpecificSize;
k_cfg->layoutSpecific = k50_cfg->layoutSpecific;
k_cfg->force = k50_cfg->force;
RF_Free(k50_cfg, sizeof(RF_Config50_t));
*k_cfgp = k_cfg;
return 0;
}
int
rf_get_info50(RF_Raid_t *raidPtr, void *data)
{
RF_DeviceConfig50_t **ucfgp = data, *d_cfg;
size_t i, j;
int error;
if (!raidPtr->valid)
return ENODEV;
RF_Malloc(d_cfg, sizeof(RF_DeviceConfig50_t), (RF_DeviceConfig50_t *));
if (d_cfg == NULL)
return ENOMEM;
d_cfg->rows = 1; /* there is only 1 row now */
d_cfg->cols = raidPtr->numCol;
d_cfg->ndevs = raidPtr->numCol;
if (d_cfg->ndevs >= RF_MAX_DISKS)
goto nomem;
d_cfg->nspares = raidPtr->numSpare;
if (d_cfg->nspares >= RF_MAX_DISKS)
goto nomem;
d_cfg->maxqdepth = raidPtr->maxQueueDepth;
for (j = 0; j < d_cfg->cols; j++)
rf_disk_to_disk50(&d_cfg->devs[j], &raidPtr->Disks[j]);
for (j = d_cfg->cols, i = 0; i < d_cfg->nspares; i++, j++)
rf_disk_to_disk50(&d_cfg->spares[i], &raidPtr->Disks[j]);
error = copyout(d_cfg, *ucfgp, sizeof(RF_DeviceConfig50_t));
RF_Free(d_cfg, sizeof(RF_DeviceConfig50_t));
return error;
nomem:
RF_Free(d_cfg, sizeof(RF_DeviceConfig_t));
return ENOMEM;
}