/* $NetBSD: rf_compat32.c,v 1.6 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_kintf.h" #include "rf_compat32.h" #include typedef netbsd32_int64 RF_SectorNum_t32; typedef netbsd32_int64 RF_StripeNum_t32; /* from */ typedef struct RF_Config_s32 { RF_RowCol_t 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_t32 sectPerSU; /* sectors per stripe unit */ RF_StripeNum_t32 SUsPerPU;/* stripe units per parity unit */ RF_StripeNum_t32 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 */ netbsd32_pointer_t 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_t32; static int rf_config_netbsd32(struct raid_softc *rs, void *data) { RF_Config_t32 *u_cfg32 = NETBSD32PTR64(*(netbsd32_pointer_t *)data); RF_Config_t *k_cfg; RF_Config_t32 *k_cfg32; int rv; k_cfg32 = RF_Malloc(sizeof(*k_cfg32)); if (k_cfg32 == NULL) return ENOMEM; rv = copyin(u_cfg32, k_cfg32, sizeof(RF_Config_t32)); if (rv) { RF_Free(k_cfg32, sizeof(RF_Config_t32)); return ENOMEM; } k_cfg = RF_Malloc(sizeof(*k_cfg)); if (k_cfg == NULL) { RF_Free(k_cfg32, sizeof(RF_Config_t32)); RF_Free(k_cfg, sizeof(RF_Config_t)); } k_cfg->numCol = k_cfg32->numCol; k_cfg->numSpare = k_cfg32->numSpare; memcpy(k_cfg->devs, k_cfg32->devs, sizeof(k_cfg->devs)); memcpy(k_cfg->devnames, k_cfg32->devnames, sizeof(k_cfg->devnames)); memcpy(k_cfg->spare_devs, k_cfg32->spare_devs, sizeof(k_cfg->spare_devs)); memcpy(k_cfg->spare_names, k_cfg32->spare_names, sizeof(k_cfg->spare_names)); k_cfg->sectPerSU = k_cfg32->sectPerSU; k_cfg->SUsPerPU = k_cfg32->SUsPerPU; k_cfg->SUsPerRU = k_cfg32->SUsPerRU; k_cfg->parityConfig = k_cfg32->parityConfig; memcpy(k_cfg->diskQueueType, k_cfg32->diskQueueType, sizeof(k_cfg->diskQueueType)); k_cfg->maxOutstandingDiskReqs = k_cfg32->maxOutstandingDiskReqs; memcpy(k_cfg->debugVars, k_cfg32->debugVars, sizeof(k_cfg->debugVars)); k_cfg->layoutSpecificSize = k_cfg32->layoutSpecificSize; k_cfg->layoutSpecific = NETBSD32PTR64(k_cfg32->layoutSpecific); k_cfg->force = k_cfg32->force; return rf_construct(rs, k_cfg); } static int rf_get_info_netbsd32(RF_Raid_t *raidPtr, void *data) { int retcode; void *ucfgp = NETBSD32PTR64(*(netbsd32_pointer_t *)data); RF_DeviceConfig_t *d_cfg = RF_Malloc(sizeof(*d_cfg)); if (d_cfg == NULL) return ENOMEM; retcode = rf_get_info(raidPtr, d_cfg); if (retcode == 0) { retcode = copyout(d_cfg, ucfgp, sizeof(*d_cfg)); } RF_Free(d_cfg, sizeof(RF_DeviceConfig_t)); return retcode; } static int raidframe_netbsd32_ioctl(struct raid_softc *rs, u_long cmd, void *data) { RF_Raid_t *raidPtr = rf_get_raid(rs); switch (cmd) { case RAIDFRAME_GET_INFO32: if (!rf_inited(rs)) return ENXIO; return rf_get_info_netbsd32(raidPtr, data); case RAIDFRAME_CONFIGURE32: return rf_config_netbsd32(rs, data); default: return EPASSTHROUGH; } } static void raidframe_netbsd32_init(void) { MODULE_HOOK_SET(raidframe_netbsd32_ioctl_hook, "raid32", raidframe_netbsd32_ioctl); } static void raidframe_netbsd32_fini(void) { MODULE_HOOK_UNSET(raidframe_netbsd32_ioctl_hook); } MODULE(MODULE_CLASS_EXEC, compat_netbsd32_raid, "raid,compat_netbsd32"); static int compat_netbsd32_raid_modcmd(modcmd_t cmd, void *arg) { switch (cmd) { case MODULE_CMD_INIT: raidframe_netbsd32_init(); return 0; case MODULE_CMD_FINI: raidframe_netbsd32_fini(); return 0; default: return ENOTTY; } }