freebsd-dev/sys/dev/ata/ata-card.c

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/*-
* Copyright (c) 1998 - 2006 S<EFBFBD>ren 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
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#include <sys/ata.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <sys/malloc.h>
#include <sys/sema.h>
#include <sys/taskqueue.h>
#include <vm/uma.h>
#include <machine/stdarg.h>
#include <machine/resource.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <dev/ata/ata-all.h>
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#include <dev/pccard/pccard_cis.h>
#include <dev/pccard/pccardreg.h>
#include <dev/pccard/pccardvar.h>
#include <ata_if.h>
#include "pccarddevs.h"
static const struct pccard_product ata_pccard_products[] = {
PCMCIA_CARD(FREECOM, PCCARDIDE),
PCMCIA_CARD(EXP, EXPMULTIMEDIA),
PCMCIA_CARD(IODATA3, CBIDE2),
PCMCIA_CARD(OEM2, CDROM1),
PCMCIA_CARD(OEM2, IDE),
PCMCIA_CARD(PANASONIC, KXLC005),
PCMCIA_CARD(TEAC, IDECARDII),
{NULL}
};
static int
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ata_pccard_probe(device_t dev)
{
const struct pccard_product *pp;
u_int32_t fcn = PCCARD_FUNCTION_UNSPEC;
int error = 0;
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if ((error = pccard_get_function(dev, &fcn)))
return error;
/* if it says its a disk we should register it */
if (fcn == PCCARD_FUNCTION_DISK)
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return 0;
/* match other devices here, primarily cdrom/dvd rom */
if ((pp = pccard_product_lookup(dev, ata_pccard_products,
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sizeof(ata_pccard_products[0]), NULL))) {
if (pp->pp_name)
device_set_desc(dev, pp->pp_name);
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return 0;
}
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return ENXIO;
}
static int
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ata_pccard_attach(device_t dev)
{
struct ata_channel *ch = device_get_softc(dev);
struct resource *io, *ctlio;
int i, rid, err;
/* allocate the io range to get start and length */
rid = ATA_IOADDR_RID;
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if (!(io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
ATA_IOSIZE, RF_ACTIVE)))
return (ENXIO);
/* setup the resource vectors */
for (i = ATA_DATA; i <= ATA_COMMAND; i++) {
ch->r_io[i].res = io;
ch->r_io[i].offset = i;
}
ch->r_io[ATA_IDX_ADDR].res = io;
/*
* if we got more than the default ATA_IOSIZE ports, this is a device
* where ctlio is located at offset 14 into "normal" io space.
*/
if (rman_get_size(io) > ATA_IOSIZE) {
ch->r_io[ATA_CONTROL].res = io;
ch->r_io[ATA_CONTROL].offset = 14;
}
else {
rid = ATA_CTLADDR_RID;
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if (!(ctlio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
ATA_CTLIOSIZE, RF_ACTIVE))) {
bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io);
for (i = ATA_DATA; i < ATA_MAX_RES; i++)
ch->r_io[i].res = NULL;
return (ENXIO);
}
ch->r_io[ATA_CONTROL].res = ctlio;
ch->r_io[ATA_CONTROL].offset = 0;
}
ata_default_registers(dev);
/* initialize softc for this channel */
ch->unit = 0;
ch->flags |= (ATA_USE_16BIT | ATA_NO_SLAVE);
ata_generic_hw(dev);
err = ata_probe(dev);
if (err)
return (err);
return (ata_attach(dev));
}
static int
ata_pccard_detach(device_t dev)
{
struct ata_channel *ch = device_get_softc(dev);
int i;
ata_detach(dev);
if (ch->r_io[ATA_CONTROL].res != ch->r_io[ATA_DATA].res)
bus_release_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID,
ch->r_io[ATA_CONTROL].res);
bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID,
ch->r_io[ATA_DATA].res);
for (i = ATA_DATA; i < ATA_MAX_RES; i++)
ch->r_io[i].res = NULL;
return 0;
}
static device_method_t ata_pccard_methods[] = {
/* device interface */
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DEVMETHOD(device_probe, ata_pccard_probe),
DEVMETHOD(device_attach, ata_pccard_attach),
DEVMETHOD(device_detach, ata_pccard_detach),
This is the much rumoured ATA mkIII update that I've been working on. o ATA is now fully newbus'd and split into modules. This means that on a modern system you just load "atapci and ata" to get the base support, and then one or more of the device subdrivers "atadisk atapicd atapifd atapist ataraid". All can be loaded/unloaded anytime, but for obvious reasons you dont want to unload atadisk when you have mounted filesystems. o The device identify part of the probe has been rewritten to fix the problems with odd devices the old had, and to try to remove so of the long delays some HW could provoke. Also probing is done without the need for interrupts, making earlier probing possible. o SATA devices can be hot inserted/removed and devices will be created/ removed in /dev accordingly. NOTE: only supported on controllers that has this feature: Promise and Silicon Image for now. On other controllers the usual atacontrol detach/attach dance is still needed. o Support for "atomic" composite ATA requests used for RAID. o ATA RAID support has been rewritten and and now supports these metadata formats: "Adaptec HostRAID" "Highpoint V2 RocketRAID" "Highpoint V3 RocketRAID" "Intel MatrixRAID" "Integrated Technology Express" "LSILogic V2 MegaRAID" "LSILogic V3 MegaRAID" "Promise FastTrak" "Silicon Image Medley" "FreeBSD PseudoRAID" o Update the ioctl API to match new RAID levels etc. o Update atacontrol to know about the new RAID levels etc NOTE: you need to recompile atacontrol with the new sys/ata.h, make world will take care of that. NOTE2: that rebuild is done differently from the old system as the rebuild is now done piggybacked on read requests to the array, so atacontrol simply starts a background "dd" to rebuild the array. o The reinit code has been worked over to be much more robust. o The timeout code has been overhauled for races. o Support of new chipsets. o Lots of fixes for bugs found while doing the modulerization and reviewing the old code. Missing or changed features from current ATA: o atapi-cd no longer has support for ATAPI changers. Todays its much cheaper and alot faster to copy those CD images to disk and serve them from there. Besides they dont seem to be made anymore, maybe for that exact reason. o ATA RAID can only read metadata from all the above metadata formats, not write all of them (Promise and Highpoint V2 so far). This means that arrays can be picked up from the BIOS, but they cannot be created from FreeBSD. There is more to it than just the missing write metadata support, those formats are not unique to a given controller like Promise and Highpoint formats, instead they exist for several types, and even worse, some controllers can have different formats and its impossible to tell which one. The outcome is that we cannot reliably create the metadata of those formats and be sure the controller BIOS will understand it. However write support is needed to update/fail/rebuild the arrays properly so it sits fairly high on the TODO list. o So far atapicam is not supported with these changes. When/if this will change is up to the maintainer of atapi-cam so go there for questions. HW donated by: Webveveriet AS HW donated by: Frode Nordahl HW donated by: Yahoo! HW donated by: Sentex Patience by: Vife and my boys (and even the cats)
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{ 0, 0 }
};
static driver_t ata_pccard_driver = {
"ata",
ata_pccard_methods,
sizeof(struct ata_channel),
};
DRIVER_MODULE(ata, pccard, ata_pccard_driver, ata_devclass, 0, 0);
This is the much rumoured ATA mkIII update that I've been working on. o ATA is now fully newbus'd and split into modules. This means that on a modern system you just load "atapci and ata" to get the base support, and then one or more of the device subdrivers "atadisk atapicd atapifd atapist ataraid". All can be loaded/unloaded anytime, but for obvious reasons you dont want to unload atadisk when you have mounted filesystems. o The device identify part of the probe has been rewritten to fix the problems with odd devices the old had, and to try to remove so of the long delays some HW could provoke. Also probing is done without the need for interrupts, making earlier probing possible. o SATA devices can be hot inserted/removed and devices will be created/ removed in /dev accordingly. NOTE: only supported on controllers that has this feature: Promise and Silicon Image for now. On other controllers the usual atacontrol detach/attach dance is still needed. o Support for "atomic" composite ATA requests used for RAID. o ATA RAID support has been rewritten and and now supports these metadata formats: "Adaptec HostRAID" "Highpoint V2 RocketRAID" "Highpoint V3 RocketRAID" "Intel MatrixRAID" "Integrated Technology Express" "LSILogic V2 MegaRAID" "LSILogic V3 MegaRAID" "Promise FastTrak" "Silicon Image Medley" "FreeBSD PseudoRAID" o Update the ioctl API to match new RAID levels etc. o Update atacontrol to know about the new RAID levels etc NOTE: you need to recompile atacontrol with the new sys/ata.h, make world will take care of that. NOTE2: that rebuild is done differently from the old system as the rebuild is now done piggybacked on read requests to the array, so atacontrol simply starts a background "dd" to rebuild the array. o The reinit code has been worked over to be much more robust. o The timeout code has been overhauled for races. o Support of new chipsets. o Lots of fixes for bugs found while doing the modulerization and reviewing the old code. Missing or changed features from current ATA: o atapi-cd no longer has support for ATAPI changers. Todays its much cheaper and alot faster to copy those CD images to disk and serve them from there. Besides they dont seem to be made anymore, maybe for that exact reason. o ATA RAID can only read metadata from all the above metadata formats, not write all of them (Promise and Highpoint V2 so far). This means that arrays can be picked up from the BIOS, but they cannot be created from FreeBSD. There is more to it than just the missing write metadata support, those formats are not unique to a given controller like Promise and Highpoint formats, instead they exist for several types, and even worse, some controllers can have different formats and its impossible to tell which one. The outcome is that we cannot reliably create the metadata of those formats and be sure the controller BIOS will understand it. However write support is needed to update/fail/rebuild the arrays properly so it sits fairly high on the TODO list. o So far atapicam is not supported with these changes. When/if this will change is up to the maintainer of atapi-cam so go there for questions. HW donated by: Webveveriet AS HW donated by: Frode Nordahl HW donated by: Yahoo! HW donated by: Sentex Patience by: Vife and my boys (and even the cats)
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MODULE_DEPEND(ata, ata, 1, 1, 1);