/* $NetBSD: rf_compat80.c,v 1.13 2019/03/01 11:06:56 pgoyette Exp $ */ /* * Copyright (c) 2017 Matthew R. Green * All rights reserved. * * 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. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 #include #include #include #include #include #include #include "rf_raid.h" #include "rf_compat80.h" #include "rf_kintf.h" /* NetBSD 8.99.x removed the row, raidPtr and next members */ struct rf_recon_req80 { RF_RowCol_t row, col; RF_ReconReqFlags_t flags; void *raidPtr; /* used internally; need not be set at ioctl * time */ struct rf_recon_req *next; /* used internally; need not be set at * ioctl time */ }; /* NetBSD 8.99.x made this structure alignment neutral */ typedef struct RF_RaidDisk_s80 { char devname[56]; /* name of device file */ RF_DiskStatus_t status; /* whether it is up or down */ RF_RowCol_t spareRow; /* if in status "spared", this identifies the * spare disk */ RF_RowCol_t spareCol; /* if in status "spared", this identifies the * spare disk */ RF_SectorCount_t numBlocks; /* number of blocks, obtained via READ * CAPACITY */ int blockSize; RF_SectorCount_t partitionSize; /* The *actual* and *full* size of the partition, from the disklabel */ int auto_configured;/* 1 if this component was autoconfigured. 0 otherwise. */ dev_t dev; } RF_RaidDisk_t80; typedef struct RF_DeviceConfig_s80 { u_int rows; u_int cols; u_int maxqdepth; int ndevs; RF_RaidDisk_t80 devs[RF_MAX_DISKS]; int nspares; RF_RaidDisk_t80 spares[RF_MAX_DISKS]; } RF_DeviceConfig_t80; typedef struct RF_Config_s80 { RF_RowCol_t numRow, numCol, numSpare; /* number of rows, columns, * and spare disks */ dev_t devs[RF_MAXROW][RF_MAXCOL]; /* device numbers for disks * comprising array */ char devnames[RF_MAXROW][RF_MAXCOL][50]; /* device names */ dev_t spare_devs[RF_MAXSPARE]; /* device numbers for spare * disks */ char spare_names[RF_MAXSPARE][50]; /* device names */ RF_SectorNum_t sectPerSU; /* sectors per stripe unit */ RF_StripeNum_t SUsPerPU;/* stripe units per parity unit */ RF_StripeNum_t SUsPerRU;/* stripe units per reconstruction unit */ RF_ParityConfig_t parityConfig; /* identifies the RAID architecture to * be used */ RF_DiskQueueType_t diskQueueType; /* 'f' = fifo, 'c' = cvscan, * not used in kernel */ char maxOutstandingDiskReqs; /* # concurrent reqs to be sent to a * disk. not used in kernel. */ char debugVars[RF_MAXDBGV][50]; /* space for specifying debug * variables & their values */ unsigned int layoutSpecificSize; /* size in bytes of * layout-specific info */ void *layoutSpecific; /* a pointer to a layout-specific structure to * be copied in */ int force; /* if !0, ignore many fatal configuration conditions */ /* "force" is used to override cases where the component labels would indicate that configuration should not proceed without user intervention */ } RF_Config_t80; static int rf_check_recon_status_ext80(RF_Raid_t *raidPtr, void *data) { RF_ProgressInfo_t info, **infoPtr = data; rf_check_recon_status_ext(raidPtr, &info); return copyout(&info, *infoPtr, sizeof(info)); } static int rf_check_parityrewrite_status_ext80(RF_Raid_t *raidPtr, void *data) { RF_ProgressInfo_t info, **infoPtr = data; rf_check_parityrewrite_status_ext(raidPtr, &info); return copyout(&info, *infoPtr, sizeof(info)); } static int rf_check_copyback_status_ext80(RF_Raid_t *raidPtr, void *data) { RF_ProgressInfo_t info, **infoPtr = data; rf_check_copyback_status_ext(raidPtr, &info); return copyout(&info, *infoPtr, sizeof(info)); } static void rf_copy_raiddisk80(RF_RaidDisk_t *disk, RF_RaidDisk_t80 *disk80) { /* Be sure the padding areas don't have kernel memory. */ memset(disk80, 0, sizeof(*disk80)); memcpy(disk80->devname, disk->devname, sizeof(disk80->devname)); disk80->status = disk->status; disk80->spareRow = 0; disk80->spareCol = disk->spareCol; disk80->numBlocks = disk->numBlocks; disk80->blockSize = disk->blockSize; disk80->partitionSize = disk->partitionSize; disk80->auto_configured = disk->auto_configured; disk80->dev = disk->dev; } static int rf_get_info80(RF_Raid_t *raidPtr, void *data) { RF_DeviceConfig_t *config; RF_DeviceConfig_t80 *config80, **configPtr80 = data; int rv; config = RF_Malloc(sizeof(*config)); if (config == NULL) return ENOMEM; config80 = RF_Malloc(sizeof(*config80)); if (config80 == NULL) { RF_Free(config, sizeof(*config)); return ENOMEM; } rv = rf_get_info(raidPtr, config); if (rv == 0) { /* convert new to old */ config80->rows = 1; config80->cols = config->cols; config80->maxqdepth = config->maxqdepth; config80->ndevs = config->ndevs; config80->nspares = config->nspares; for (size_t i = 0; i < RF_MAX_DISKS; i++) { rf_copy_raiddisk80(&config->devs[i], &config80->devs[i]); rf_copy_raiddisk80(&config->spares[i], &config80->spares[i]); } rv = copyout(config80, *configPtr80, sizeof(*config80)); } RF_Free(config, sizeof(*config)); RF_Free(config80, sizeof(*config80)); return rv; } static int rf_get_component_label80(RF_Raid_t *raidPtr, void *data) { RF_ComponentLabel_t **clabel_ptr = (RF_ComponentLabel_t **)data; RF_ComponentLabel_t *clabel; int retcode; /* * Perhaps there should be an option to skip the in-core * copy and hit the disk, as with disklabel(8). */ clabel = RF_Malloc(sizeof(*clabel)); if (clabel == NULL) return ENOMEM; retcode = copyin(*clabel_ptr, clabel, sizeof(*clabel)); if (retcode) { RF_Free(clabel, sizeof(*clabel)); return retcode; } rf_get_component_label(raidPtr, clabel); retcode = copyout(clabel, *clabel_ptr, sizeof(**clabel_ptr)); RF_Free(clabel, sizeof(*clabel)); return retcode; } static int rf_config80(struct raid_softc *rs, void *data) { RF_Config_t80 *u80_cfg, *k80_cfg; RF_Config_t *k_cfg; RF_Raid_t *raidPtr = rf_get_raid(rs); 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", rf_get_unit(rs)); return EINVAL; } /* copy-in the configuration information */ /* data points to a pointer to the configuration structure */ u80_cfg = *((RF_Config_t80 **) data); k80_cfg = RF_Malloc(sizeof(*k80_cfg)); if (k80_cfg == NULL) return ENOMEM; error = copyin(u80_cfg, k80_cfg, sizeof(*k80_cfg)); if (error) { RF_Free(k80_cfg, sizeof(*k80_cfg)); return error; } k_cfg = RF_Malloc(sizeof(*k_cfg)); if (k_cfg == NULL) { RF_Free(k80_cfg, sizeof(*k80_cfg)); return ENOMEM; } k_cfg->numCol = k80_cfg->numCol; k_cfg->numSpare = k80_cfg->numSpare; for (i = 0; i < RF_MAXROW; i++) for (j = 0; j < RF_MAXCOL; j++) k_cfg->devs[i][j] = k80_cfg->devs[i][j]; memcpy(k_cfg->devnames, k80_cfg->devnames, sizeof(k_cfg->devnames)); for (i = 0; i < RF_MAXSPARE; i++) k_cfg->spare_devs[i] = k80_cfg->spare_devs[i]; memcpy(k_cfg->spare_names, k80_cfg->spare_names, sizeof(k_cfg->spare_names)); k_cfg->sectPerSU = k80_cfg->sectPerSU; k_cfg->SUsPerPU = k80_cfg->SUsPerPU; k_cfg->SUsPerRU = k80_cfg->SUsPerRU; k_cfg->parityConfig = k80_cfg->parityConfig; memcpy(k_cfg->diskQueueType, k80_cfg->diskQueueType, sizeof(k_cfg->diskQueueType)); k_cfg->maxOutstandingDiskReqs = k80_cfg->maxOutstandingDiskReqs; memcpy(k_cfg->debugVars, k80_cfg->debugVars, sizeof(k_cfg->debugVars)); k_cfg->layoutSpecificSize = k80_cfg->layoutSpecificSize; k_cfg->layoutSpecific = k80_cfg->layoutSpecific; k_cfg->force = k80_cfg->force; RF_Free(k80_cfg, sizeof(*k80_cfg)); return rf_construct(rs, k_cfg); } static int rf_fail_disk80(RF_Raid_t *raidPtr, struct rf_recon_req80 *req80) { struct rf_recon_req req = { .col = req80->col, .flags = req80->flags, }; return rf_fail_disk(raidPtr, &req); } static int raidframe_ioctl_80(struct raid_softc *rs, u_long cmd, void *data) { RF_Raid_t *raidPtr = rf_get_raid(rs); switch (cmd) { case RAIDFRAME_CHECK_RECON_STATUS_EXT80: case RAIDFRAME_CHECK_PARITYREWRITE_STATUS_EXT80: case RAIDFRAME_CHECK_COPYBACK_STATUS_EXT80: case RAIDFRAME_GET_INFO80: case RAIDFRAME_GET_COMPONENT_LABEL80: if (!rf_inited(rs)) return ENXIO; break; case RAIDFRAME_CONFIGURE80: case RAIDFRAME_FAIL_DISK80: break; default: return EPASSTHROUGH; } switch (cmd) { case RAIDFRAME_CHECK_RECON_STATUS_EXT80: return rf_check_recon_status_ext80(raidPtr, data); case RAIDFRAME_CHECK_PARITYREWRITE_STATUS_EXT80: return rf_check_parityrewrite_status_ext80(raidPtr, data); case RAIDFRAME_CHECK_COPYBACK_STATUS_EXT80: return rf_check_copyback_status_ext80(raidPtr, data); case RAIDFRAME_GET_INFO80: return rf_get_info80(raidPtr, data); case RAIDFRAME_GET_COMPONENT_LABEL80: return rf_get_component_label80(raidPtr, data); case RAIDFRAME_CONFIGURE80: return rf_config80(rs, data); case RAIDFRAME_FAIL_DISK80: return rf_fail_disk80(raidPtr, data); default: /* abort really */ return EPASSTHROUGH; } } static void raidframe_80_init(void) { MODULE_HOOK_SET(raidframe_ioctl_80_hook, "raid80", raidframe_ioctl_80); } static void raidframe_80_fini(void) { MODULE_HOOK_UNSET(raidframe_ioctl_80_hook); } MODULE(MODULE_CLASS_EXEC, compat_raid_80, "raid,compat_80"); static int compat_raid_80_modcmd(modcmd_t cmd, void *arg) { switch (cmd) { case MODULE_CMD_INIT: raidframe_80_init(); return 0; case MODULE_CMD_FINI: raidframe_80_fini(); return 0; default: return ENOTTY; } }