c63dab466c
Also some minor style cleanups.
255 lines
7.5 KiB
C
255 lines
7.5 KiB
C
/*-
|
|
* Copyright (c) 1999 Jonathan Lemon
|
|
* Copyright (c) 1999, 2000 Michael Smith
|
|
* Copyright (c) 2000 BSDi
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
|
|
*/
|
|
/*
|
|
* Copyright (c) 2002 Eric Moore
|
|
* Copyright (c) 2002 LSI Logic Corporation
|
|
* 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 party using or redistributing the source code and binary forms
|
|
* agrees to the disclaimer below and the terms and conditions set forth
|
|
* herein.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
/*
|
|
* Disk driver for AMI MegaRaid controllers
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/kernel.h>
|
|
|
|
#include <dev/amr/amr_compat.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/conf.h>
|
|
|
|
#include <machine/bus.h>
|
|
#include <sys/rman.h>
|
|
|
|
#include <dev/amr/amrio.h>
|
|
#include <dev/amr/amrreg.h>
|
|
#include <dev/amr/amrvar.h>
|
|
#include <dev/amr/amr_tables.h>
|
|
|
|
/* prototypes */
|
|
static int amrd_probe(device_t dev);
|
|
static int amrd_attach(device_t dev);
|
|
static int amrd_detach(device_t dev);
|
|
|
|
static disk_open_t amrd_open;
|
|
static disk_strategy_t amrd_strategy;
|
|
|
|
static devclass_t amrd_devclass;
|
|
#ifdef FREEBSD_4
|
|
static int disks_registered = 0;
|
|
#endif
|
|
|
|
static device_method_t amrd_methods[] = {
|
|
DEVMETHOD(device_probe, amrd_probe),
|
|
DEVMETHOD(device_attach, amrd_attach),
|
|
DEVMETHOD(device_detach, amrd_detach),
|
|
{ 0, 0 }
|
|
};
|
|
|
|
static driver_t amrd_driver = {
|
|
"amrd",
|
|
amrd_methods,
|
|
sizeof(struct amrd_softc)
|
|
};
|
|
|
|
DRIVER_MODULE(amrd, amr, amrd_driver, amrd_devclass, 0, 0);
|
|
|
|
static int
|
|
amrd_open(struct disk *dp)
|
|
{
|
|
struct amrd_softc *sc = (struct amrd_softc *)dp->d_drv1;
|
|
#if __FreeBSD_version < 500000 /* old buf style */
|
|
struct disklabel *label;
|
|
#endif
|
|
|
|
debug_called(1);
|
|
|
|
if (sc == NULL)
|
|
return (ENXIO);
|
|
|
|
/* controller not active? */
|
|
if (sc->amrd_controller->amr_state & AMR_STATE_SHUTDOWN)
|
|
return(ENXIO);
|
|
|
|
#if __FreeBSD_version < 500000 /* old buf style */
|
|
label = &sc->amrd_disk.d_label;
|
|
bzero(label, sizeof(*label));
|
|
label->d_type = DTYPE_SCSI;
|
|
label->d_secsize = AMR_BLKSIZE;
|
|
label->d_nsectors = sc->amrd_drive->al_sectors;
|
|
label->d_ntracks = sc->amrd_drive->al_heads;
|
|
label->d_ncylinders = sc->amrd_drive->al_cylinders;
|
|
label->d_secpercyl = sc->amrd_drive->al_sectors * sc->amrd_drive->al_heads;
|
|
label->d_secperunit = sc->amrd_drive->al_size;
|
|
#else
|
|
sc->amrd_disk.d_sectorsize = AMR_BLKSIZE;
|
|
sc->amrd_disk.d_mediasize = (off_t)sc->amrd_drive->al_size * AMR_BLKSIZE;
|
|
sc->amrd_disk.d_fwsectors = sc->amrd_drive->al_sectors;
|
|
sc->amrd_disk.d_fwheads = sc->amrd_drive->al_heads;
|
|
#endif
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Read/write routine for a buffer. Finds the proper unit, range checks
|
|
* arguments, and schedules the transfer. Does not wait for the transfer
|
|
* to complete. Multi-page transfers are supported. All I/O requests must
|
|
* be a multiple of a sector in length.
|
|
*/
|
|
static void
|
|
amrd_strategy(struct bio *bio)
|
|
{
|
|
struct amrd_softc *sc = (struct amrd_softc *)bio->bio_disk->d_drv1;
|
|
|
|
/* bogus disk? */
|
|
if (sc == NULL) {
|
|
bio->bio_error = EINVAL;
|
|
goto bad;
|
|
}
|
|
|
|
amr_submit_bio(sc->amrd_controller, bio);
|
|
return;
|
|
|
|
bad:
|
|
bio->bio_flags |= BIO_ERROR;
|
|
|
|
/*
|
|
* Correctly set the buf to indicate a completed transfer
|
|
*/
|
|
bio->bio_resid = bio->bio_bcount;
|
|
biodone(bio);
|
|
return;
|
|
}
|
|
|
|
void
|
|
amrd_intr(void *data)
|
|
{
|
|
struct bio *bio = (struct bio *)data;
|
|
|
|
debug_called(2);
|
|
|
|
if (bio->bio_flags & BIO_ERROR) {
|
|
bio->bio_error = EIO;
|
|
debug(1, "i/o error\n");
|
|
} else {
|
|
bio->bio_resid = 0;
|
|
}
|
|
|
|
AMR_BIO_FINISH(bio);
|
|
}
|
|
|
|
static int
|
|
amrd_probe(device_t dev)
|
|
{
|
|
|
|
debug_called(1);
|
|
|
|
device_set_desc(dev, "LSILogic MegaRAID logical drive");
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
amrd_attach(device_t dev)
|
|
{
|
|
struct amrd_softc *sc = (struct amrd_softc *)device_get_softc(dev);
|
|
device_t parent;
|
|
|
|
debug_called(1);
|
|
|
|
parent = device_get_parent(dev);
|
|
sc->amrd_controller = (struct amr_softc *)device_get_softc(parent);
|
|
sc->amrd_unit = device_get_unit(dev);
|
|
sc->amrd_drive = device_get_ivars(dev);
|
|
sc->amrd_dev = dev;
|
|
|
|
device_printf(dev, "%uMB (%u sectors) RAID %d (%s)\n",
|
|
sc->amrd_drive->al_size / ((1024 * 1024) / AMR_BLKSIZE),
|
|
sc->amrd_drive->al_size, sc->amrd_drive->al_properties & AMR_DRV_RAID_MASK,
|
|
amr_describe_code(amr_table_drvstate, AMR_DRV_CURSTATE(sc->amrd_drive->al_state)));
|
|
|
|
sc->amrd_disk.d_drv1 = sc;
|
|
sc->amrd_disk.d_maxsize = (AMR_NSEG - 1) * PAGE_SIZE;
|
|
sc->amrd_disk.d_open = amrd_open;
|
|
sc->amrd_disk.d_strategy = amrd_strategy;
|
|
sc->amrd_disk.d_name = "amrd";
|
|
disk_create(sc->amrd_unit, &sc->amrd_disk, 0, NULL, NULL);
|
|
#ifdef FREEBSD_4
|
|
disks_registered++;
|
|
#endif
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
amrd_detach(device_t dev)
|
|
{
|
|
struct amrd_softc *sc = (struct amrd_softc *)device_get_softc(dev);
|
|
|
|
debug_called(1);
|
|
|
|
if (sc->amrd_disk.d_flags & DISKFLAG_OPEN)
|
|
return(EBUSY);
|
|
|
|
#ifdef FREEBSD_4
|
|
if (--disks_registered == 0)
|
|
cdevsw_remove(&amrddisk_cdevsw);
|
|
#else
|
|
disk_destroy(&sc->amrd_disk);
|
|
#endif
|
|
return(0);
|
|
}
|
|
|