/* $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 <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/module.h>
#include <sys/compat_stub.h>
#include <dev/raidframe/raidframeio.h>
#include <dev/raidframe/raidframevar.h>
#include "rf_raid.h"
#include "rf_kintf.h"
#include "rf_compat32.h"
#include <compat/netbsd32/netbsd32.h>
typedef netbsd32_int64 RF_SectorNum_t32;
typedef netbsd32_int64 RF_StripeNum_t32;
/* from <dev/raidframe/raidframevar.h> */
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;
}
}