378 lines
11 KiB
C
378 lines
11 KiB
C
/* $NetBSD: rf_compat80.c,v 1.14 2019/12/12 02:15:43 pgoyette Exp $ */
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/*
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* Copyright (c) 2017 Matthew R. Green
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/module.h>
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#include <sys/compat_stub.h>
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#include <dev/raidframe/raidframeio.h>
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#include <dev/raidframe/raidframevar.h>
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#include "rf_raid.h"
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#include "rf_compat80.h"
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#include "rf_kintf.h"
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/* NetBSD 8.99.x removed the row, raidPtr and next members */
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struct rf_recon_req80 {
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RF_RowCol_t row, col;
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RF_ReconReqFlags_t flags;
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void *raidPtr; /* used internally; need not be set at ioctl
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* time */
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struct rf_recon_req *next; /* used internally; need not be set at
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* ioctl time */
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};
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/* NetBSD 8.99.x made this structure alignment neutral */
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typedef struct RF_RaidDisk_s80 {
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char devname[56]; /* name of device file */
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RF_DiskStatus_t status; /* whether it is up or down */
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RF_RowCol_t spareRow; /* if in status "spared", this identifies the
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* spare disk */
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RF_RowCol_t spareCol; /* if in status "spared", this identifies the
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* spare disk */
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RF_SectorCount_t numBlocks; /* number of blocks, obtained via READ
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* CAPACITY */
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int blockSize;
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RF_SectorCount_t partitionSize; /* The *actual* and *full* size of
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the partition, from the disklabel */
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int auto_configured;/* 1 if this component was autoconfigured.
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0 otherwise. */
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dev_t dev;
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} RF_RaidDisk_t80;
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typedef struct RF_DeviceConfig_s80 {
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u_int rows;
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u_int cols;
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u_int maxqdepth;
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int ndevs;
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RF_RaidDisk_t80 devs[RF_MAX_DISKS];
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int nspares;
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RF_RaidDisk_t80 spares[RF_MAX_DISKS];
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} RF_DeviceConfig_t80;
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typedef struct RF_Config_s80 {
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RF_RowCol_t numRow, numCol, numSpare; /* number of rows, columns,
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* and spare disks */
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dev_t devs[RF_MAXROW][RF_MAXCOL]; /* device numbers for disks
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* comprising array */
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char devnames[RF_MAXROW][RF_MAXCOL][50]; /* device names */
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dev_t spare_devs[RF_MAXSPARE]; /* device numbers for spare
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* disks */
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char spare_names[RF_MAXSPARE][50]; /* device names */
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RF_SectorNum_t sectPerSU; /* sectors per stripe unit */
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RF_StripeNum_t SUsPerPU;/* stripe units per parity unit */
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RF_StripeNum_t SUsPerRU;/* stripe units per reconstruction unit */
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RF_ParityConfig_t parityConfig; /* identifies the RAID architecture to
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* be used */
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RF_DiskQueueType_t diskQueueType; /* 'f' = fifo, 'c' = cvscan,
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* not used in kernel */
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char maxOutstandingDiskReqs; /* # concurrent reqs to be sent to a
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* disk. not used in kernel. */
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char debugVars[RF_MAXDBGV][50]; /* space for specifying debug
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* variables & their values */
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unsigned int layoutSpecificSize; /* size in bytes of
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* layout-specific info */
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void *layoutSpecific; /* a pointer to a layout-specific structure to
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* be copied in */
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int force; /* if !0, ignore many fatal
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configuration conditions */
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/*
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"force" is used to override cases where the component labels would
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indicate that configuration should not proceed without user
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intervention
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*/
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} RF_Config_t80;
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static int
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rf_check_recon_status_ext80(RF_Raid_t *raidPtr, void *data)
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{
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RF_ProgressInfo_t info, **infoPtr = data;
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rf_check_recon_status_ext(raidPtr, &info);
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return copyout(&info, *infoPtr, sizeof(info));
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}
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static int
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rf_check_parityrewrite_status_ext80(RF_Raid_t *raidPtr, void *data)
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{
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RF_ProgressInfo_t info, **infoPtr = data;
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rf_check_parityrewrite_status_ext(raidPtr, &info);
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return copyout(&info, *infoPtr, sizeof(info));
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}
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static int
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rf_check_copyback_status_ext80(RF_Raid_t *raidPtr, void *data)
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{
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RF_ProgressInfo_t info, **infoPtr = data;
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rf_check_copyback_status_ext(raidPtr, &info);
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return copyout(&info, *infoPtr, sizeof(info));
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}
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static void
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rf_copy_raiddisk80(RF_RaidDisk_t *disk, RF_RaidDisk_t80 *disk80)
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{
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/* Be sure the padding areas don't have kernel memory. */
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memset(disk80, 0, sizeof(*disk80));
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memcpy(disk80->devname, disk->devname, sizeof(disk80->devname));
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disk80->status = disk->status;
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disk80->spareRow = 0;
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disk80->spareCol = disk->spareCol;
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disk80->numBlocks = disk->numBlocks;
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disk80->blockSize = disk->blockSize;
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disk80->partitionSize = disk->partitionSize;
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disk80->auto_configured = disk->auto_configured;
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disk80->dev = disk->dev;
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}
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static int
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rf_get_info80(RF_Raid_t *raidPtr, void *data)
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{
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RF_DeviceConfig_t *config;
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RF_DeviceConfig_t80 *config80, **configPtr80 = data;
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int rv;
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config = RF_Malloc(sizeof(*config));
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if (config == NULL)
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return ENOMEM;
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config80 = RF_Malloc(sizeof(*config80));
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if (config80 == NULL) {
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RF_Free(config, sizeof(*config));
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return ENOMEM;
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}
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rv = rf_get_info(raidPtr, config);
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if (rv == 0) {
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/* convert new to old */
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config80->rows = 1;
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config80->cols = config->cols;
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config80->maxqdepth = config->maxqdepth;
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config80->ndevs = config->ndevs;
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config80->nspares = config->nspares;
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for (size_t i = 0; i < RF_MAX_DISKS; i++) {
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rf_copy_raiddisk80(&config->devs[i],
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&config80->devs[i]);
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rf_copy_raiddisk80(&config->spares[i],
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&config80->spares[i]);
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}
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rv = copyout(config80, *configPtr80, sizeof(*config80));
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}
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RF_Free(config, sizeof(*config));
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RF_Free(config80, sizeof(*config80));
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return rv;
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}
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static int
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rf_get_component_label80(RF_Raid_t *raidPtr, void *data)
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{
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RF_ComponentLabel_t **clabel_ptr = (RF_ComponentLabel_t **)data;
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RF_ComponentLabel_t *clabel;
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int retcode;
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/*
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* Perhaps there should be an option to skip the in-core
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* copy and hit the disk, as with disklabel(8).
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*/
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clabel = RF_Malloc(sizeof(*clabel));
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if (clabel == NULL)
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return ENOMEM;
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retcode = copyin(*clabel_ptr, clabel, sizeof(*clabel));
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if (retcode) {
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RF_Free(clabel, sizeof(*clabel));
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return retcode;
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}
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rf_get_component_label(raidPtr, clabel);
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retcode = copyout(clabel, *clabel_ptr, sizeof(**clabel_ptr));
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RF_Free(clabel, sizeof(*clabel));
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return retcode;
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}
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static int
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rf_config80(struct raid_softc *rs, void *data)
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{
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RF_Config_t80 *u80_cfg, *k80_cfg;
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RF_Config_t *k_cfg;
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RF_Raid_t *raidPtr = rf_get_raid(rs);
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size_t i, j;
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int error;
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if (raidPtr->valid) {
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/* There is a valid RAID set running on this unit! */
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printf("raid%d: Device already configured!\n", rf_get_unit(rs));
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return EINVAL;
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}
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/* copy-in the configuration information */
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/* data points to a pointer to the configuration structure */
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u80_cfg = *((RF_Config_t80 **) data);
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k80_cfg = RF_Malloc(sizeof(*k80_cfg));
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if (k80_cfg == NULL)
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return ENOMEM;
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error = copyin(u80_cfg, k80_cfg, sizeof(*k80_cfg));
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if (error) {
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RF_Free(k80_cfg, sizeof(*k80_cfg));
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return error;
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}
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k_cfg = RF_Malloc(sizeof(*k_cfg));
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if (k_cfg == NULL) {
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RF_Free(k80_cfg, sizeof(*k80_cfg));
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return ENOMEM;
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}
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k_cfg->numCol = k80_cfg->numCol;
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k_cfg->numSpare = k80_cfg->numSpare;
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for (i = 0; i < RF_MAXROW; i++)
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for (j = 0; j < RF_MAXCOL; j++)
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k_cfg->devs[i][j] = k80_cfg->devs[i][j];
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memcpy(k_cfg->devnames, k80_cfg->devnames,
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sizeof(k_cfg->devnames));
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for (i = 0; i < RF_MAXSPARE; i++)
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k_cfg->spare_devs[i] = k80_cfg->spare_devs[i];
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memcpy(k_cfg->spare_names, k80_cfg->spare_names,
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sizeof(k_cfg->spare_names));
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k_cfg->sectPerSU = k80_cfg->sectPerSU;
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k_cfg->SUsPerPU = k80_cfg->SUsPerPU;
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k_cfg->SUsPerRU = k80_cfg->SUsPerRU;
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k_cfg->parityConfig = k80_cfg->parityConfig;
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memcpy(k_cfg->diskQueueType, k80_cfg->diskQueueType,
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sizeof(k_cfg->diskQueueType));
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k_cfg->maxOutstandingDiskReqs = k80_cfg->maxOutstandingDiskReqs;
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memcpy(k_cfg->debugVars, k80_cfg->debugVars,
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sizeof(k_cfg->debugVars));
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k_cfg->layoutSpecificSize = k80_cfg->layoutSpecificSize;
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k_cfg->layoutSpecific = k80_cfg->layoutSpecific;
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k_cfg->force = k80_cfg->force;
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RF_Free(k80_cfg, sizeof(*k80_cfg));
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return rf_construct(rs, k_cfg);
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}
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static int
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rf_fail_disk80(RF_Raid_t *raidPtr, struct rf_recon_req80 *req80)
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{
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struct rf_recon_req req = {
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.col = req80->col,
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.flags = req80->flags,
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};
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return rf_fail_disk(raidPtr, &req);
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}
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static int
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raidframe_ioctl_80(struct raid_softc *rs, u_long cmd, void *data)
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{
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RF_Raid_t *raidPtr = rf_get_raid(rs);
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switch (cmd) {
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case RAIDFRAME_CHECK_RECON_STATUS_EXT80:
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case RAIDFRAME_CHECK_PARITYREWRITE_STATUS_EXT80:
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case RAIDFRAME_CHECK_COPYBACK_STATUS_EXT80:
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case RAIDFRAME_GET_INFO80:
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case RAIDFRAME_GET_COMPONENT_LABEL80:
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if (!rf_inited(rs))
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return ENXIO;
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break;
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case RAIDFRAME_CONFIGURE80:
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case RAIDFRAME_FAIL_DISK80:
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break;
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default:
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return EPASSTHROUGH;
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}
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switch (cmd) {
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case RAIDFRAME_CHECK_RECON_STATUS_EXT80:
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return rf_check_recon_status_ext80(raidPtr, data);
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case RAIDFRAME_CHECK_PARITYREWRITE_STATUS_EXT80:
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return rf_check_parityrewrite_status_ext80(raidPtr, data);
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case RAIDFRAME_CHECK_COPYBACK_STATUS_EXT80:
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return rf_check_copyback_status_ext80(raidPtr, data);
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case RAIDFRAME_GET_INFO80:
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return rf_get_info80(raidPtr, data);
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case RAIDFRAME_GET_COMPONENT_LABEL80:
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return rf_get_component_label80(raidPtr, data);
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case RAIDFRAME_CONFIGURE80:
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return rf_config80(rs, data);
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case RAIDFRAME_FAIL_DISK80:
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return rf_fail_disk80(raidPtr, data);
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default:
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/* abort really */
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return EPASSTHROUGH;
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}
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}
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static void
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raidframe_80_init(void)
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{
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MODULE_HOOK_SET(raidframe_ioctl_80_hook, raidframe_ioctl_80);
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}
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static void
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raidframe_80_fini(void)
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{
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MODULE_HOOK_UNSET(raidframe_ioctl_80_hook);
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}
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MODULE(MODULE_CLASS_EXEC, compat_raid_80, "raid,compat_80");
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static int
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compat_raid_80_modcmd(modcmd_t cmd, void *arg)
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{
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switch (cmd) {
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case MODULE_CMD_INIT:
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raidframe_80_init();
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return 0;
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case MODULE_CMD_FINI:
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raidframe_80_fini();
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return 0;
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default:
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return ENOTTY;
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}
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}
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