263 lines
8.0 KiB
C
263 lines
8.0 KiB
C
/* $NetBSD: ata_raid_nvidia.c,v 1.5 2022/03/19 13:51:01 hannken Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2000 - 2008 Søren Schmidt <sos@FreeBSD.org>
|
|
* 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,
|
|
* without modification, immediately at the beginning of the file.
|
|
* 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.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
/*
|
|
* Support for parsing nVIDIA MediaShield RAID controller configuration blocks.
|
|
*
|
|
* Adapted to NetBSD by Tatoku Ogaito (tacha@NetBSD.org)
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__KERNEL_RCSID(0, "$NetBSD: ata_raid_nvidia.c,v 1.5 2022/03/19 13:51:01 hannken Exp $");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/buf.h>
|
|
#include <sys/bufq.h>
|
|
#include <sys/conf.h>
|
|
#include <sys/device.h>
|
|
#include <sys/disk.h>
|
|
#include <sys/disklabel.h>
|
|
#include <sys/fcntl.h>
|
|
#include <sys/vnode.h>
|
|
#include <sys/kauth.h>
|
|
|
|
#include <miscfs/specfs/specdev.h>
|
|
|
|
#include <dev/ata/atareg.h>
|
|
#include <dev/ata/atavar.h>
|
|
#include <dev/ata/wdvar.h>
|
|
|
|
#include <dev/ata/ata_raidreg.h>
|
|
#include <dev/ata/ata_raidvar.h>
|
|
|
|
#ifdef ATA_RAID_DEBUG
|
|
#define DPRINTF(x) printf x
|
|
#else
|
|
#define DPRINTF(x) /* nothing */
|
|
#endif
|
|
|
|
#ifdef ATA_RAID_DEBUG
|
|
static const char *
|
|
ata_raid_nvidia_type(int type)
|
|
{
|
|
static char buffer[16];
|
|
|
|
switch (type) {
|
|
case NV_T_SPAN: return "SPAN";
|
|
case NV_T_RAID0: return "RAID0";
|
|
case NV_T_RAID1: return "RAID1";
|
|
case NV_T_RAID3: return "RAID3";
|
|
case NV_T_RAID5: return "RAID5";
|
|
case NV_T_RAID01: return "RAID0+1";
|
|
default:
|
|
snprintf(buffer, sizeof(buffer), "UNKNOWN 0x%02x", type);
|
|
return buffer;
|
|
}
|
|
}
|
|
|
|
static void
|
|
ata_raid_nvidia_print_info(struct nvidia_raid_conf *info)
|
|
{
|
|
printf("******** ATA nVidia MediaShield Metadata ********\n");
|
|
printf("nvidia_id <%.8s>\n", info->nvidia_id);
|
|
printf("config_size %d\n", info->config_size);
|
|
printf("checksum 0x%08x\n", info->checksum);
|
|
printf("version 0x%04x\n", info->version);
|
|
printf("disk_number %d\n", info->disk_number);
|
|
printf("dummy_0 0x%02x\n", info->dummy_0);
|
|
printf("total_sectors %d\n", info->total_sectors);
|
|
printf("sectors_size %d\n", info->sector_size);
|
|
printf("serial %.16s\n", info->serial);
|
|
printf("revision %.4s\n", info->revision);
|
|
printf("dummy_1 0x%08x\n", info->dummy_1);
|
|
printf("magic_0 0x%08x\n", info->magic_0);
|
|
printf("magic_1 0x%016jx\n", info->magic_1);
|
|
printf("magic_2 0x%016jx\n", info->magic_2);
|
|
printf("flags 0x%02x\n", info->flags);
|
|
printf("array_width %d\n", info->array_width);
|
|
printf("total_disks %d\n", info->total_disks);
|
|
printf("dummy_2 0x%02x\n", info->dummy_2);
|
|
printf("type %s\n", ata_raid_nvidia_type(info->type));
|
|
printf("dummy_3 0x%04x\n", info->dummy_3);
|
|
printf("stripe_sectors %d\n", info->stripe_sectors);
|
|
printf("stripe_bytes %d\n", info->stripe_bytes);
|
|
printf("stripe_shift %d\n", info->stripe_shift);
|
|
printf("stripe_mask 0x%08x\n", info->stripe_mask);
|
|
printf("stripe_sizesectors %d\n", info->stripe_sizesectors);
|
|
printf("stripe_sizebytes %d\n", info->stripe_sizebytes);
|
|
printf("rebuild_lba %d\n", info->rebuild_lba);
|
|
printf("dummy_4 0x%08x\n", info->dummy_4);
|
|
printf("dummy_5 0x%08x\n", info->dummy_5);
|
|
printf("status 0x%08x\n", info->status);
|
|
printf("=================================================\n");
|
|
}
|
|
#endif
|
|
|
|
int
|
|
ata_raid_read_config_nvidia(struct wd_softc *sc)
|
|
{
|
|
struct dk_softc *dksc = &sc->sc_dksc;
|
|
struct nvidia_raid_conf *info;
|
|
struct vnode *vp;
|
|
int bmajor, error, count;
|
|
dev_t dev;
|
|
uint32_t cksum, *ckptr;
|
|
struct ataraid_array_info *aai;
|
|
struct ataraid_disk_info *adi;
|
|
static struct _arrayno {
|
|
uint64_t magic1;
|
|
uint64_t magic2;
|
|
struct _arrayno *next;
|
|
} arrayno = { 0, 0, NULL}, *anptr;
|
|
|
|
info = kmem_zalloc(sizeof(*info), KM_SLEEP);
|
|
|
|
bmajor = devsw_name2blk(dksc->sc_xname, NULL, 0);
|
|
|
|
/* Get a vnode for the raw partition of this disk. */
|
|
dev = MAKEDISKDEV(bmajor, device_unit(dksc->sc_dev), RAW_PART);
|
|
error = bdevvp(dev, &vp);
|
|
if (error)
|
|
goto out;
|
|
|
|
vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
|
|
error = VOP_OPEN(vp, FREAD, NOCRED);
|
|
if (error) {
|
|
vput(vp);
|
|
goto out;
|
|
}
|
|
|
|
error = ata_raid_config_block_rw(vp, NVIDIA_LBA(sc), info,
|
|
sizeof(*info), B_READ);
|
|
VOP_CLOSE(vp, FREAD, NOCRED);
|
|
vput(vp);
|
|
if (error) {
|
|
aprint_error_dev(dksc->sc_dev,
|
|
"error %d reading nVidia MediaShield config block\n", error);
|
|
goto out;
|
|
}
|
|
|
|
#ifdef ATA_RAID_DEBUG
|
|
ata_raid_nvidia_print_info(info);
|
|
#endif
|
|
|
|
/* Check the signature. */
|
|
if (strncmp(info->nvidia_id, NV_MAGIC, strlen(NV_MAGIC)) != 0) {
|
|
DPRINTF(("%s: nVidia signature check failed\n",
|
|
dksc->sc_xname));
|
|
error = ESRCH;
|
|
goto out;
|
|
}
|
|
|
|
/* check if the checksum is OK */
|
|
for (cksum = 0, ckptr = (uint32_t *)info, count = 0; count < info->config_size;
|
|
count++)
|
|
cksum += *ckptr++;
|
|
if (cksum) {
|
|
DPRINTF(("%s: nVidia checksum failed (0x%02x)\n",
|
|
dksc->sc_xname, cksum));
|
|
error = ESRCH;
|
|
goto out;
|
|
}
|
|
|
|
/*
|
|
* Lookup or allocate a new array info structure for
|
|
* this array. Since nVidia raid information does not
|
|
* provides array# directory, we must count the number.
|
|
* The available traces are magic_1 and magic_2.
|
|
*/
|
|
for (anptr = &arrayno, count = 0; anptr->next; anptr = anptr->next, count++) {
|
|
if (anptr->magic1 == info->magic_1 &&
|
|
anptr->magic2 == info->magic_2)
|
|
break;
|
|
}
|
|
if (anptr->next == NULL) {
|
|
/* new array */
|
|
anptr->magic1 = info->magic_1;
|
|
anptr->magic2 = info->magic_2;
|
|
anptr->next = kmem_zalloc(sizeof(arrayno), KM_SLEEP);
|
|
}
|
|
aai = ata_raid_get_array_info(ATA_RAID_TYPE_NVIDIA, count);
|
|
|
|
aai->aai_status = AAI_S_READY;
|
|
if (info->status & NV_S_DEGRADED)
|
|
aai->aai_status |= AAI_S_DEGRADED;
|
|
|
|
switch (info->type) {
|
|
case NV_T_RAID0:
|
|
aai->aai_level = AAI_L_RAID0;
|
|
break;
|
|
|
|
case NV_T_RAID1:
|
|
aai->aai_level = AAI_L_RAID1;
|
|
break;
|
|
|
|
case NV_T_RAID5:
|
|
aai->aai_level = AAI_L_RAID5;
|
|
break;
|
|
|
|
case NV_T_RAID01:
|
|
aai->aai_level = AAI_L_RAID0 | AAI_L_RAID1;
|
|
break;
|
|
|
|
case NV_T_SPAN:
|
|
aai->aai_level = AAI_L_SPAN;
|
|
break;
|
|
|
|
default:
|
|
aprint_error_dev(dksc->sc_dev,
|
|
"unknown nVidia type 0x%02x\n", info->type);
|
|
error = EINVAL;
|
|
goto out;
|
|
}
|
|
|
|
aai->aai_type = ATA_RAID_TYPE_NVIDIA;
|
|
aai->aai_interleave = info->stripe_sectors;
|
|
aai->aai_width = info->array_width;
|
|
|
|
aai->aai_ndisks = info->total_disks;
|
|
aai->aai_capacity = info->total_sectors;
|
|
aai->aai_heads = 255;
|
|
aai->aai_sectors = 63;
|
|
aai->aai_cylinders = aai->aai_capacity / (aai->aai_heads * aai->aai_sectors);
|
|
aai->aai_offset = 0;
|
|
aai->aai_reserved = 2;
|
|
|
|
adi = &aai->aai_disks[info->disk_number];
|
|
adi->adi_dev = dksc->sc_dev;
|
|
adi->adi_status = ADI_S_ONLINE | ADI_S_ASSIGNED;
|
|
adi->adi_sectors = aai->aai_capacity;
|
|
adi->adi_compsize = aai->aai_capacity / info->array_width;
|
|
|
|
error = 0;
|
|
|
|
out:
|
|
kmem_free(info, sizeof(*info));
|
|
return (error);
|
|
}
|