5b525a3230
system hanging if timer interrupts aren't running yet. This allows my Thinkpad to resume successfully with APM. Approved by: sos MFC after: 2 weeks
1104 lines
29 KiB
C
1104 lines
29 KiB
C
/*-
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* Copyright (c) 1998 - 2004 Søren Schmidt <sos@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* without modification, immediately at the beginning of the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "opt_ata.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/ata.h>
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#include <sys/kernel.h>
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#include <sys/endian.h>
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#include <sys/ctype.h>
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#include <sys/conf.h>
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#include <sys/bus.h>
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#include <sys/bio.h>
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#include <sys/malloc.h>
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#include <sys/sysctl.h>
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#include <sys/sema.h>
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#include <sys/taskqueue.h>
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#include <vm/uma.h>
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#include <machine/stdarg.h>
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#include <machine/resource.h>
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#include <machine/bus.h>
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#include <sys/rman.h>
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#ifdef __alpha__
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#include <machine/md_var.h>
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#endif
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#include <geom/geom_disk.h>
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#include <dev/ata/ata-all.h>
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#include <dev/ata/ata-disk.h>
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#include <dev/ata/ata-raid.h>
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/* device structures */
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static d_ioctl_t ata_ioctl;
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static struct cdevsw ata_cdevsw = {
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.d_version = D_VERSION,
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.d_flags = D_NEEDGIANT,
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.d_ioctl = ata_ioctl,
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.d_name = "ata",
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};
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/* prototypes */
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static void ata_shutdown(void *, int);
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static void ata_interrupt(void *);
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static int ata_getparam(struct ata_device *, u_int8_t);
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static void ata_identify_devices(struct ata_channel *);
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static void ata_boot_attach(void);
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static void bswap(int8_t *, int);
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static void btrim(int8_t *, int);
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static void bpack(int8_t *, int8_t *, int);
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static void ata_init(void);
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/* global vars */
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MALLOC_DEFINE(M_ATA, "ATA generic", "ATA driver generic layer");
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devclass_t ata_devclass;
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uma_zone_t ata_zone;
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int ata_wc = 1;
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/* local vars */
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static struct intr_config_hook *ata_delayed_attach = NULL;
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static int ata_dma = 1;
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static int atapi_dma = 1;
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static int ata_resuming = 0;
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/* sysctl vars */
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SYSCTL_NODE(_hw, OID_AUTO, ata, CTLFLAG_RD, 0, "ATA driver parameters");
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TUNABLE_INT("hw.ata.ata_dma", &ata_dma);
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SYSCTL_INT(_hw_ata, OID_AUTO, ata_dma, CTLFLAG_RDTUN, &ata_dma, 0,
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"ATA disk DMA mode control");
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TUNABLE_INT("hw.ata.wc", &ata_wc);
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SYSCTL_INT(_hw_ata, OID_AUTO, wc, CTLFLAG_RDTUN, &ata_wc, 0,
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"ATA disk write caching");
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TUNABLE_INT("hw.ata.atapi_dma", &atapi_dma);
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SYSCTL_INT(_hw_ata, OID_AUTO, atapi_dma, CTLFLAG_RDTUN, &atapi_dma, 0,
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"ATAPI device DMA mode control");
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/*
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* newbus device interface related functions
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*/
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int
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ata_probe(device_t dev)
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{
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struct ata_channel *ch;
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if (!dev || !(ch = device_get_softc(dev)))
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return ENXIO;
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if (ch->r_irq)
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return EEXIST;
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return 0;
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}
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int
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ata_attach(device_t dev)
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{
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struct ata_channel *ch;
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int error, rid;
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if (!dev || !(ch = device_get_softc(dev)))
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return ENXIO;
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/* initialize the softc basics */
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ch->device[MASTER].channel = ch;
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ch->device[MASTER].unit = ATA_MASTER;
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ch->device[MASTER].mode = ATA_PIO;
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ch->device[SLAVE].channel = ch;
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ch->device[SLAVE].unit = ATA_SLAVE;
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ch->device[SLAVE].mode = ATA_PIO;
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ch->dev = dev;
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ch->state = ATA_IDLE;
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bzero(&ch->state_mtx, sizeof(struct mtx));
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mtx_init(&ch->state_mtx, "ATA state lock", NULL, MTX_DEF);
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/* initialise device(s) on this channel */
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while (ch->locking(ch, ATA_LF_LOCK) != ch->unit)
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tsleep(&error, PRIBIO, "ataatch", 1);
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ch->hw.reset(ch);
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ch->locking(ch, ATA_LF_UNLOCK);
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rid = ATA_IRQ_RID;
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ch->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
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RF_SHAREABLE | RF_ACTIVE);
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if (!ch->r_irq) {
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ata_printf(ch, -1, "unable to allocate interrupt\n");
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return ENXIO;
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}
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if ((error = bus_setup_intr(dev, ch->r_irq, ATA_INTR_FLAGS,
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ata_interrupt, ch, &ch->ih))) {
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ata_printf(ch, -1, "unable to setup interrupt\n");
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return error;
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}
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/* initialize queue and associated lock */
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bzero(&ch->queue_mtx, sizeof(struct mtx));
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mtx_init(&ch->queue_mtx, "ATA queue lock", NULL, MTX_DEF);
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TAILQ_INIT(&ch->ata_queue);
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/* do not attach devices if we are in early boot */
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if (ata_delayed_attach)
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return 0;
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ata_identify_devices(ch);
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if (ch->device[MASTER].attach)
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ch->device[MASTER].attach(&ch->device[MASTER]);
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if (ch->device[SLAVE].attach)
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ch->device[SLAVE].attach(&ch->device[SLAVE]);
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#ifdef DEV_ATAPICAM
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atapi_cam_attach_bus(ch);
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#endif
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return 0;
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}
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int
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ata_detach(device_t dev)
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{
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struct ata_channel *ch;
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if (!dev || !(ch = device_get_softc(dev)) || !ch->r_irq)
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return ENXIO;
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/* mark devices on this channel as detaching */
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ch->device[MASTER].flags |= ATA_D_DETACHING;
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ch->device[SLAVE].flags |= ATA_D_DETACHING;
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/* fail outstanding requests on this channel */
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ata_fail_requests(ch, NULL);
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/* unlock the channel */
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mtx_lock(&ch->state_mtx);
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ch->state = ATA_IDLE;
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mtx_unlock(&ch->state_mtx);
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ch->locking(ch, ATA_LF_UNLOCK);
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/* detach devices on this channel */
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if (ch->device[MASTER].detach)
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ch->device[MASTER].detach(&ch->device[MASTER]);
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if (ch->device[SLAVE].detach)
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ch->device[SLAVE].detach(&ch->device[SLAVE]);
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#ifdef DEV_ATAPICAM
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atapi_cam_detach_bus(ch);
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#endif
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/* flush cache and powerdown device */
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if (ch->device[MASTER].param) {
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if (ch->device[MASTER].param->support.command2 & ATA_SUPPORT_FLUSHCACHE)
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ata_controlcmd(&ch->device[MASTER], ATA_FLUSHCACHE, 0, 0, 0);
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ata_controlcmd(&ch->device[MASTER], ATA_SLEEP, 0, 0, 0);
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free(ch->device[MASTER].param, M_ATA);
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ch->device[MASTER].param = NULL;
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}
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if (ch->device[SLAVE].param) {
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if (ch->device[SLAVE].param->support.command2 & ATA_SUPPORT_FLUSHCACHE)
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ata_controlcmd(&ch->device[SLAVE], ATA_FLUSHCACHE, 0, 0, 0);
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ata_controlcmd(&ch->device[SLAVE], ATA_SLEEP, 0, 0, 0);
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free(ch->device[SLAVE].param, M_ATA);
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ch->device[SLAVE].param = NULL;
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}
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ch->device[MASTER].mode = ATA_PIO;
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ch->device[SLAVE].mode = ATA_PIO;
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ch->devices = 0;
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bus_teardown_intr(dev, ch->r_irq, ch->ih);
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bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq);
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ch->r_irq = NULL;
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mtx_destroy(&ch->queue_mtx);
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return 0;
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}
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int
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ata_reinit(struct ata_channel *ch)
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{
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int devices, misdev, newdev;
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if (!ch->r_irq)
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return ENXIO;
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if (bootverbose)
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ata_printf(ch, -1, "reiniting channel ..\n");
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/* poll for locking of this channel */
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while (ch->locking(ch, ATA_LF_LOCK) != ch->unit)
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tsleep(&devices, PRIBIO, "atarint", 1);
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ata_catch_inflight(ch);
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/* grap the channel lock no matter what */
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mtx_lock(&ch->state_mtx);
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ch->state = ATA_ACTIVE;
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mtx_unlock(&ch->state_mtx);
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if (ch->flags & ATA_IMMEDIATE_MODE)
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return EIO;
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else
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ch->flags |= ATA_IMMEDIATE_MODE;
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devices = ch->devices;
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ch->hw.reset(ch);
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if (bootverbose)
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ata_printf(ch, -1, "resetting done ..\n");
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/* detach what left the channel during reset */
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if ((misdev = devices & ~ch->devices)) {
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if ((misdev & (ATA_ATA_MASTER | ATA_ATAPI_MASTER)) &&
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ch->device[MASTER].detach) {
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ata_fail_requests(ch, &ch->device[MASTER]);
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ch->device[MASTER].detach(&ch->device[MASTER]);
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free(ch->device[MASTER].param, M_ATA);
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ch->device[MASTER].param = NULL;
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}
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if ((misdev & (ATA_ATA_SLAVE | ATA_ATAPI_SLAVE)) &&
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ch->device[SLAVE].detach) {
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ata_fail_requests(ch, &ch->device[SLAVE]);
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ch->device[SLAVE].detach(&ch->device[SLAVE]);
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free(ch->device[SLAVE].param, M_ATA);
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ch->device[SLAVE].param = NULL;
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}
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}
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/* identify what is present on the channel now */
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ata_identify_devices(ch);
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/* detach what left the channel during identify */
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if ((misdev = devices & ~ch->devices)) {
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if ((misdev & (ATA_ATA_MASTER | ATA_ATAPI_MASTER)) &&
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ch->device[MASTER].detach) {
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ata_fail_requests(ch, &ch->device[MASTER]);
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ch->device[MASTER].detach(&ch->device[MASTER]);
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free(ch->device[MASTER].param, M_ATA);
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ch->device[MASTER].param = NULL;
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}
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if ((misdev & (ATA_ATA_SLAVE | ATA_ATAPI_SLAVE)) &&
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ch->device[SLAVE].detach) {
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ata_fail_requests(ch, &ch->device[SLAVE]);
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ch->device[SLAVE].detach(&ch->device[SLAVE]);
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free(ch->device[SLAVE].param, M_ATA);
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ch->device[SLAVE].param = NULL;
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}
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}
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ch->flags &= ~ATA_IMMEDIATE_MODE;
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mtx_lock(&ch->state_mtx);
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ch->state = ATA_IDLE;
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mtx_unlock(&ch->state_mtx);
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ch->locking(ch, ATA_LF_UNLOCK);
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/* attach new devices */
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if ((newdev = ~devices & ch->devices)) {
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if ((newdev & (ATA_ATA_MASTER | ATA_ATAPI_MASTER)) &&
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ch->device[MASTER].attach)
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ch->device[MASTER].attach(&ch->device[MASTER]);
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if ((newdev & (ATA_ATA_SLAVE | ATA_ATAPI_SLAVE)) &&
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ch->device[SLAVE].attach)
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ch->device[SLAVE].attach(&ch->device[SLAVE]);
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}
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#ifdef DEV_ATAPICAM
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atapi_cam_reinit_bus(ch);
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#endif
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if (bootverbose)
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ata_printf(ch, -1, "device config done ..\n");
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ata_start(ch);
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return 0;
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}
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int
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ata_suspend(device_t dev)
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{
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struct ata_channel *ch;
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if (!dev || !(ch = device_get_softc(dev)))
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return ENXIO;
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while (1) {
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mtx_lock(&ch->state_mtx);
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if (ch->state == ATA_IDLE) {
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ch->state = ATA_ACTIVE;
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mtx_unlock(&ch->state_mtx);
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break;
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}
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mtx_unlock(&ch->state_mtx);
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tsleep(ch, PRIBIO, "atasusp", hz/10);
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}
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ch->locking(ch, ATA_LF_UNLOCK);
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return 0;
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}
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int
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ata_resume(device_t dev)
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{
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struct ata_channel *ch;
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int error;
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if (!dev || !(ch = device_get_softc(dev)))
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return ENXIO;
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ata_resuming = 1;
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error = ata_reinit(ch);
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ata_start(ch);
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ata_resuming = 0;
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return error;
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}
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static void
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ata_shutdown(void *arg, int howto)
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{
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struct ata_channel *ch;
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int ctlr;
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/* flush cache on all devices */
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for (ctlr = 0; ctlr < devclass_get_maxunit(ata_devclass); ctlr++) {
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if (!(ch = devclass_get_softc(ata_devclass, ctlr)))
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continue;
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if (ch->device[MASTER].param &&
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ch->device[MASTER].param->support.command2 & ATA_SUPPORT_FLUSHCACHE)
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ata_controlcmd(&ch->device[MASTER], ATA_FLUSHCACHE, 0, 0, 0);
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if (ch->device[SLAVE].param &&
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ch->device[SLAVE].param->support.command2 & ATA_SUPPORT_FLUSHCACHE)
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ata_controlcmd(&ch->device[SLAVE], ATA_FLUSHCACHE, 0, 0, 0);
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}
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}
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static void
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ata_interrupt(void *data)
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{
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struct ata_channel *ch = (struct ata_channel *)data;
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struct ata_request *request;
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mtx_lock(&ch->state_mtx);
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do {
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/* do we have a running request */
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if (!(request = ch->running))
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break;
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ATA_DEBUG_RQ(request, "interrupt");
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/* ignore interrupt if device is busy */
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if (ATA_IDX_INB(ch, ATA_ALTSTAT) & ATA_S_BUSY) {
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DELAY(100);
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if (ATA_IDX_INB(ch, ATA_ALTSTAT) & ATA_S_BUSY)
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break;
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}
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/* check for the right state */
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if (ch->state == ATA_ACTIVE) {
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request->flags |= ATA_R_INTR_SEEN;
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ch->state = ATA_INTERRUPT;
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}
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else {
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ata_prtdev(request->device,
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"interrupt state=%d unexpected\n", ch->state);
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break;
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}
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if (ch->hw.end_transaction(request) == ATA_OP_FINISHED) {
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ch->running = NULL;
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if (ch->flags & ATA_IMMEDIATE_MODE)
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ch->state = ATA_ACTIVE;
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else
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ch->state = ATA_IDLE;
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mtx_unlock(&ch->state_mtx);
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ch->locking(ch, ATA_LF_UNLOCK);
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ata_finish(request);
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return;
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}
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else {
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request->flags &= ~ATA_R_INTR_SEEN;
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ch->state = ATA_ACTIVE;
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}
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} while (0);
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mtx_unlock(&ch->state_mtx);
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}
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|
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/*
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* device related interfaces
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|
*/
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static int
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ata_ioctl(struct cdev *dev, u_long cmd, caddr_t addr,
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int32_t flag, struct thread *td)
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{
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struct ata_cmd *iocmd = (struct ata_cmd *)addr;
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device_t device = devclass_get_device(ata_devclass, iocmd->channel);
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struct ata_channel *ch;
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struct ata_device *atadev;
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struct ata_request *request;
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caddr_t buf;
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int error = ENOTTY;
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if (cmd != IOCATA)
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return error;
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DROP_GIANT();
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switch (iocmd->cmd) {
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case ATAGMAXCHANNEL:
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iocmd->u.maxchan = devclass_get_maxunit(ata_devclass);
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error = 0;
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break;
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case ATAGPARM:
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if (!device || !(ch = device_get_softc(device))) {
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error = ENXIO;
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break;
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}
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iocmd->u.param.type[MASTER] =
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ch->devices & (ATA_ATA_MASTER | ATA_ATAPI_MASTER);
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iocmd->u.param.type[SLAVE] =
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ch->devices & (ATA_ATA_SLAVE | ATA_ATAPI_SLAVE);
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if (ch->device[MASTER].name)
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|
strcpy(iocmd->u.param.name[MASTER], ch->device[MASTER].name);
|
|
if (ch->device[SLAVE].name)
|
|
strcpy(iocmd->u.param.name[SLAVE], ch->device[SLAVE].name);
|
|
if (ch->device[MASTER].param)
|
|
bcopy(ch->device[MASTER].param, &iocmd->u.param.params[MASTER],
|
|
sizeof(struct ata_params));
|
|
if (ch->device[SLAVE].param)
|
|
bcopy(ch->device[SLAVE].param, &iocmd->u.param.params[SLAVE],
|
|
sizeof(struct ata_params));
|
|
error = 0;
|
|
break;
|
|
|
|
case ATAGMODE:
|
|
if (!device || !(ch = device_get_softc(device))) {
|
|
error = ENXIO;
|
|
break;
|
|
}
|
|
iocmd->u.mode.mode[MASTER] = ch->device[MASTER].mode;
|
|
iocmd->u.mode.mode[SLAVE] = ch->device[SLAVE].mode;
|
|
error = 0;
|
|
break;
|
|
|
|
case ATASMODE:
|
|
if (!device || !(ch = device_get_softc(device))) {
|
|
error = ENXIO;
|
|
break;
|
|
}
|
|
if (iocmd->u.mode.mode[MASTER] >= 0 && ch->device[MASTER].param)
|
|
ch->device[MASTER].setmode(&ch->device[MASTER],
|
|
iocmd->u.mode.mode[MASTER]);
|
|
iocmd->u.mode.mode[MASTER] = ch->device[MASTER].mode;
|
|
if (iocmd->u.mode.mode[SLAVE] >= 0 && ch->device[SLAVE].param)
|
|
ch->device[SLAVE].setmode(&ch->device[SLAVE],
|
|
iocmd->u.mode.mode[SLAVE]);
|
|
iocmd->u.mode.mode[SLAVE] = ch->device[SLAVE].mode;
|
|
error = 0;
|
|
break;
|
|
|
|
case ATAREQUEST:
|
|
if (!device || !(ch = device_get_softc(device))) {
|
|
error = ENXIO;
|
|
break;
|
|
}
|
|
if (!(atadev = &ch->device[iocmd->device])) {
|
|
error = ENODEV;
|
|
break;
|
|
}
|
|
if (!(buf = malloc(iocmd->u.request.count, M_ATA, M_NOWAIT))) {
|
|
error = ENOMEM;
|
|
break;
|
|
}
|
|
if (!(request = ata_alloc_request())) {
|
|
error = ENOMEM;
|
|
free(buf, M_ATA);
|
|
break;
|
|
}
|
|
if (iocmd->u.request.flags & ATA_CMD_WRITE) {
|
|
error = copyin(iocmd->u.request.data, buf, iocmd->u.request.count);
|
|
if (error) {
|
|
free(buf, M_ATA);
|
|
ata_free_request(request);
|
|
break;
|
|
}
|
|
}
|
|
|
|
request->device = atadev;
|
|
|
|
if (iocmd->u.request.flags & ATA_CMD_ATAPI) {
|
|
request->flags = ATA_R_ATAPI;
|
|
bcopy(iocmd->u.request.u.atapi.ccb, request->u.atapi.ccb, 16);
|
|
}
|
|
else {
|
|
request->u.ata.command = iocmd->u.request.u.ata.command;
|
|
request->u.ata.feature = iocmd->u.request.u.ata.feature;
|
|
request->u.ata.lba = iocmd->u.request.u.ata.lba;
|
|
request->u.ata.count = iocmd->u.request.u.ata.count;
|
|
}
|
|
|
|
request->timeout = iocmd->u.request.timeout;
|
|
request->data = buf;
|
|
request->bytecount = iocmd->u.request.count;
|
|
request->transfersize = request->bytecount;
|
|
|
|
if (iocmd->u.request.flags & ATA_CMD_CONTROL)
|
|
request->flags |= ATA_R_CONTROL;
|
|
if (iocmd->u.request.flags & ATA_CMD_READ)
|
|
request->flags |= ATA_R_READ;
|
|
if (iocmd->u.request.flags & ATA_CMD_WRITE)
|
|
request->flags |= ATA_R_WRITE;
|
|
|
|
ata_queue_request(request);
|
|
|
|
iocmd->u.request.u.ata.command = request->u.ata.command;
|
|
iocmd->u.request.u.ata.feature = request->u.ata.feature;
|
|
iocmd->u.request.u.ata.lba = request->u.ata.lba;
|
|
iocmd->u.request.u.ata.count = request->u.ata.count;
|
|
if (request->result)
|
|
iocmd->u.request.error = request->result;
|
|
else {
|
|
if (iocmd->u.request.flags & ATA_CMD_READ)
|
|
error = copyout(buf,
|
|
iocmd->u.request.data, iocmd->u.request.count);
|
|
else
|
|
error = 0;
|
|
}
|
|
free(buf, M_ATA);
|
|
ata_free_request(request);
|
|
break;
|
|
|
|
case ATAREINIT:
|
|
if (!device || !(ch = device_get_softc(device))) {
|
|
error = ENXIO;
|
|
break;
|
|
}
|
|
error = ata_reinit(ch);
|
|
ata_start(ch);
|
|
break;
|
|
|
|
case ATAATTACH:
|
|
if (!device) {
|
|
error = ENXIO;
|
|
break;
|
|
}
|
|
/* SOS should enable channel HW on controller XXX */
|
|
error = ata_probe(device);
|
|
if (!error)
|
|
error = ata_attach(device);
|
|
break;
|
|
|
|
case ATADETACH:
|
|
if (!device) {
|
|
error = ENXIO;
|
|
break;
|
|
}
|
|
error = ata_detach(device);
|
|
/* SOS should disable channel HW on controller XXX */
|
|
break;
|
|
|
|
|
|
#ifdef DEV_ATARAID
|
|
case ATARAIDCREATE:
|
|
error = ata_raid_create(&iocmd->u.raid_setup);
|
|
break;
|
|
|
|
case ATARAIDDELETE:
|
|
error = ata_raid_delete(iocmd->channel);
|
|
break;
|
|
|
|
case ATARAIDSTATUS:
|
|
error = ata_raid_status(iocmd->channel, &iocmd->u.raid_status);
|
|
break;
|
|
|
|
case ATARAIDADDSPARE:
|
|
error = ata_raid_addspare(iocmd->channel, iocmd->u.raid_spare.disk);
|
|
break;
|
|
|
|
case ATARAIDREBUILD:
|
|
error = ata_raid_rebuild(iocmd->channel);
|
|
break;
|
|
#endif
|
|
}
|
|
PICKUP_GIANT();
|
|
return error;
|
|
}
|
|
|
|
/*
|
|
* device probe functions
|
|
*/
|
|
static int
|
|
ata_getparam(struct ata_device *atadev, u_int8_t command)
|
|
{
|
|
struct ata_request *request;
|
|
int error = ENOMEM;
|
|
|
|
if (!atadev->param)
|
|
atadev->param = malloc(sizeof(struct ata_params), M_ATA, M_NOWAIT);
|
|
if (atadev->param) {
|
|
request = ata_alloc_request();
|
|
if (request) {
|
|
int retries = 2;
|
|
while (retries-- > 0) {
|
|
request->device = atadev;
|
|
request->timeout = 5;
|
|
request->retries = 0;
|
|
request->u.ata.command = command;
|
|
request->flags = (ATA_R_READ | ATA_R_IMMEDIATE);
|
|
request->data = (caddr_t)atadev->param;
|
|
request->bytecount = sizeof(struct ata_params);
|
|
request->donecount = 0;
|
|
request->transfersize = DEV_BSIZE;
|
|
ata_queue_request(request);
|
|
if (!(error = request->result))
|
|
break;
|
|
}
|
|
ata_free_request(request);
|
|
}
|
|
if (!error && (isprint(atadev->param->model[0]) ||
|
|
isprint(atadev->param->model[1]))) {
|
|
struct ata_params *atacap = atadev->param;
|
|
#if BYTE_ORDER == BIG_ENDIAN
|
|
int16_t *ptr;
|
|
|
|
for (ptr = (int16_t *)atacap;
|
|
ptr < (int16_t *)atacap + sizeof(struct ata_params)/2; ptr++) {
|
|
*ptr = bswap16(*ptr);
|
|
}
|
|
#endif
|
|
if (!(!strncmp(atacap->model, "FX", 2) ||
|
|
!strncmp(atacap->model, "NEC", 3) ||
|
|
!strncmp(atacap->model, "Pioneer", 7) ||
|
|
!strncmp(atacap->model, "SHARP", 5))) {
|
|
bswap(atacap->model, sizeof(atacap->model));
|
|
bswap(atacap->revision, sizeof(atacap->revision));
|
|
bswap(atacap->serial, sizeof(atacap->serial));
|
|
}
|
|
btrim(atacap->model, sizeof(atacap->model));
|
|
bpack(atacap->model, atacap->model, sizeof(atacap->model));
|
|
btrim(atacap->revision, sizeof(atacap->revision));
|
|
bpack(atacap->revision, atacap->revision, sizeof(atacap->revision));
|
|
btrim(atacap->serial, sizeof(atacap->serial));
|
|
bpack(atacap->serial, atacap->serial, sizeof(atacap->serial));
|
|
if (bootverbose)
|
|
ata_prtdev(atadev,
|
|
"pio=0x%02x wdma=0x%02x udma=0x%02x cable=%spin\n",
|
|
ata_pmode(atacap), ata_wmode(atacap),
|
|
ata_umode(atacap),
|
|
(atacap->hwres & ATA_CABLE_ID) ? "80":"40");
|
|
}
|
|
else {
|
|
if (!error)
|
|
error = ENXIO;
|
|
if (atadev->param) {
|
|
free(atadev->param, M_ATA);
|
|
atadev->param = NULL;
|
|
}
|
|
}
|
|
}
|
|
return error;
|
|
}
|
|
|
|
static void
|
|
ata_identify_devices(struct ata_channel *ch)
|
|
{
|
|
if (ch->devices & ATA_ATA_SLAVE) {
|
|
if (ata_getparam(&ch->device[SLAVE], ATA_ATA_IDENTIFY))
|
|
ch->devices &= ~ATA_ATA_SLAVE;
|
|
#ifdef DEV_ATADISK
|
|
else
|
|
ch->device[SLAVE].attach = ad_attach;
|
|
#endif
|
|
}
|
|
if (ch->devices & ATA_ATAPI_SLAVE) {
|
|
if (ata_getparam(&ch->device[SLAVE], ATA_ATAPI_IDENTIFY))
|
|
ch->devices &= ~ATA_ATAPI_SLAVE;
|
|
else {
|
|
ata_controlcmd(&ch->device[SLAVE], ATA_ATAPI_RESET, 0, 0, 0);
|
|
switch (ch->device[SLAVE].param->config & ATA_ATAPI_TYPE_MASK) {
|
|
#ifdef DEV_ATAPICD
|
|
case ATA_ATAPI_TYPE_CDROM:
|
|
ch->device[SLAVE].attach = acd_attach;
|
|
break;
|
|
#endif
|
|
#ifdef DEV_ATAPIFD
|
|
case ATA_ATAPI_TYPE_DIRECT:
|
|
ch->device[SLAVE].attach = afd_attach;
|
|
break;
|
|
#endif
|
|
#ifdef DEV_ATAPIST
|
|
case ATA_ATAPI_TYPE_TAPE:
|
|
ch->device[SLAVE].attach = ast_attach;
|
|
break;
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
if (ch->devices & ATA_ATA_MASTER) {
|
|
if (ata_getparam(&ch->device[MASTER], ATA_ATA_IDENTIFY))
|
|
ch->devices &= ~ATA_ATA_MASTER;
|
|
#ifdef DEV_ATADISK
|
|
else
|
|
ch->device[MASTER].attach = ad_attach;
|
|
#endif
|
|
}
|
|
if (ch->devices & ATA_ATAPI_MASTER) {
|
|
if (ata_getparam(&ch->device[MASTER], ATA_ATAPI_IDENTIFY))
|
|
ch->devices &= ~ATA_ATAPI_MASTER;
|
|
else {
|
|
ata_controlcmd(&ch->device[MASTER], ATA_ATAPI_RESET, 0, 0, 0);
|
|
switch (ch->device[MASTER].param->config & ATA_ATAPI_TYPE_MASK) {
|
|
#ifdef DEV_ATAPICD
|
|
case ATA_ATAPI_TYPE_CDROM:
|
|
ch->device[MASTER].attach = acd_attach;
|
|
break;
|
|
#endif
|
|
#ifdef DEV_ATAPIFD
|
|
case ATA_ATAPI_TYPE_DIRECT:
|
|
ch->device[MASTER].attach = afd_attach;
|
|
break;
|
|
#endif
|
|
#ifdef DEV_ATAPIST
|
|
case ATA_ATAPI_TYPE_TAPE:
|
|
ch->device[MASTER].attach = ast_attach;
|
|
break;
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
|
|
/* setup basic transfer mode by setting PIO mode and DMA if supported */
|
|
if (ch->device[MASTER].param) {
|
|
ch->device[MASTER].setmode(&ch->device[MASTER], ATA_PIO_MAX);
|
|
if ((((ch->devices & ATA_ATAPI_MASTER) && atapi_dma &&
|
|
(ch->device[MASTER].param->config&ATA_DRQ_MASK) != ATA_DRQ_INTR &&
|
|
ata_umode(ch->device[MASTER].param) >= ATA_UDMA2) ||
|
|
((ch->devices & ATA_ATA_MASTER) && ata_dma)) && ch->dma)
|
|
ch->device[MASTER].setmode(&ch->device[MASTER], ATA_DMA_MAX);
|
|
|
|
}
|
|
if (ch->device[SLAVE].param) {
|
|
ch->device[SLAVE].setmode(&ch->device[SLAVE], ATA_PIO_MAX);
|
|
if ((((ch->devices & ATA_ATAPI_SLAVE) && atapi_dma &&
|
|
(ch->device[SLAVE].param->config&ATA_DRQ_MASK) != ATA_DRQ_INTR &&
|
|
ata_umode(ch->device[SLAVE].param) >= ATA_UDMA2) ||
|
|
((ch->devices & ATA_ATA_SLAVE) && ata_dma)) && ch->dma)
|
|
ch->device[SLAVE].setmode(&ch->device[SLAVE], ATA_DMA_MAX);
|
|
}
|
|
}
|
|
|
|
static void
|
|
ata_boot_attach(void)
|
|
{
|
|
struct ata_channel *ch;
|
|
int ctlr;
|
|
|
|
if (ata_delayed_attach) {
|
|
config_intrhook_disestablish(ata_delayed_attach);
|
|
free(ata_delayed_attach, M_TEMP);
|
|
ata_delayed_attach = NULL;
|
|
}
|
|
|
|
/*
|
|
* run through all ata devices and look for real ATA & ATAPI devices
|
|
* using the hints we found in the early probe, this avoids some of
|
|
* the delays probing of non-exsistent devices can cause.
|
|
*/
|
|
for (ctlr=0; ctlr<devclass_get_maxunit(ata_devclass); ctlr++) {
|
|
if (!(ch = devclass_get_softc(ata_devclass, ctlr)))
|
|
continue;
|
|
ata_identify_devices(ch);
|
|
if (ch->device[MASTER].attach)
|
|
ch->device[MASTER].attach(&ch->device[MASTER]);
|
|
if (ch->device[SLAVE].attach)
|
|
ch->device[SLAVE].attach(&ch->device[SLAVE]);
|
|
#ifdef DEV_ATAPICAM
|
|
atapi_cam_attach_bus(ch);
|
|
#endif
|
|
}
|
|
#ifdef DEV_ATARAID
|
|
ata_raid_attach();
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* misc support functions
|
|
*/
|
|
void
|
|
ata_udelay(int interval)
|
|
{
|
|
if (interval < (1000000/hz) || ata_delayed_attach || ata_resuming)
|
|
DELAY(interval);
|
|
else
|
|
tsleep(&interval, PRIBIO, "ataslp", interval/(1000000/hz));
|
|
}
|
|
|
|
static void
|
|
bswap(int8_t *buf, int len)
|
|
{
|
|
u_int16_t *ptr = (u_int16_t*)(buf + len);
|
|
|
|
while (--ptr >= (u_int16_t*)buf)
|
|
*ptr = ntohs(*ptr);
|
|
}
|
|
|
|
static void
|
|
btrim(int8_t *buf, int len)
|
|
{
|
|
int8_t *ptr;
|
|
|
|
for (ptr = buf; ptr < buf+len; ++ptr)
|
|
if (!*ptr || *ptr == '_')
|
|
*ptr = ' ';
|
|
for (ptr = buf + len - 1; ptr >= buf && *ptr == ' '; --ptr)
|
|
*ptr = 0;
|
|
}
|
|
|
|
static void
|
|
bpack(int8_t *src, int8_t *dst, int len)
|
|
{
|
|
int i, j, blank;
|
|
|
|
for (i = j = blank = 0 ; i < len; i++) {
|
|
if (blank && src[i] == ' ') continue;
|
|
if (blank && src[i] != ' ') {
|
|
dst[j++] = src[i];
|
|
blank = 0;
|
|
continue;
|
|
}
|
|
if (src[i] == ' ') {
|
|
blank = 1;
|
|
if (i == 0)
|
|
continue;
|
|
}
|
|
dst[j++] = src[i];
|
|
}
|
|
if (j < len)
|
|
dst[j] = 0x00;
|
|
}
|
|
|
|
int
|
|
ata_printf(struct ata_channel *ch, int device, const char * fmt, ...)
|
|
{
|
|
va_list ap;
|
|
int ret;
|
|
|
|
if (device == -1)
|
|
ret = printf("ata%d: ", device_get_unit(ch->dev));
|
|
else {
|
|
if (ch->device[ATA_DEV(device)].name)
|
|
ret = printf("%s: ", ch->device[ATA_DEV(device)].name);
|
|
else
|
|
ret = printf("ata%d-%s: ", device_get_unit(ch->dev),
|
|
(device == ATA_MASTER) ? "master" : "slave");
|
|
}
|
|
va_start(ap, fmt);
|
|
ret += vprintf(fmt, ap);
|
|
va_end(ap);
|
|
return ret;
|
|
}
|
|
|
|
int
|
|
ata_prtdev(struct ata_device *atadev, const char * fmt, ...)
|
|
{
|
|
va_list ap;
|
|
int ret;
|
|
|
|
if (atadev->name)
|
|
ret = printf("%s: ", atadev->name);
|
|
else
|
|
ret = printf("ata%d-%s: ", device_get_unit(atadev->channel->dev),
|
|
(atadev->unit == ATA_MASTER) ? "master" : "slave");
|
|
va_start(ap, fmt);
|
|
ret += vprintf(fmt, ap);
|
|
va_end(ap);
|
|
return ret;
|
|
}
|
|
|
|
void
|
|
ata_set_name(struct ata_device *atadev, char *name, int lun)
|
|
{
|
|
atadev->name = malloc(strlen(name) + 4, M_ATA, M_NOWAIT);
|
|
if (atadev->name)
|
|
sprintf(atadev->name, "%s%d", name, lun);
|
|
}
|
|
|
|
void
|
|
ata_free_name(struct ata_device *atadev)
|
|
{
|
|
if (atadev->name)
|
|
free(atadev->name, M_ATA);
|
|
atadev->name = NULL;
|
|
}
|
|
|
|
int
|
|
ata_get_lun(u_int32_t *map)
|
|
{
|
|
int lun = ffs(~*map) - 1;
|
|
|
|
*map |= (1 << lun);
|
|
return lun;
|
|
}
|
|
|
|
int
|
|
ata_test_lun(u_int32_t *map, int lun)
|
|
{
|
|
return (*map & (1 << lun));
|
|
}
|
|
|
|
void
|
|
ata_free_lun(u_int32_t *map, int lun)
|
|
{
|
|
*map &= ~(1 << lun);
|
|
}
|
|
|
|
char *
|
|
ata_mode2str(int mode)
|
|
{
|
|
switch (mode) {
|
|
case ATA_PIO: return "BIOSPIO";
|
|
case ATA_PIO0: return "PIO0";
|
|
case ATA_PIO1: return "PIO1";
|
|
case ATA_PIO2: return "PIO2";
|
|
case ATA_PIO3: return "PIO3";
|
|
case ATA_PIO4: return "PIO4";
|
|
case ATA_DMA: return "BIOSDMA";
|
|
case ATA_WDMA0: return "WDMA0";
|
|
case ATA_WDMA1: return "WDMA1";
|
|
case ATA_WDMA2: return "WDMA2";
|
|
case ATA_UDMA0: return "UDMA16";
|
|
case ATA_UDMA1: return "UDMA25";
|
|
case ATA_UDMA2: return "UDMA33";
|
|
case ATA_UDMA3: return "UDMA40";
|
|
case ATA_UDMA4: return "UDMA66";
|
|
case ATA_UDMA5: return "UDMA100";
|
|
case ATA_UDMA6: return "UDMA133";
|
|
case ATA_SA150: return "SATA150";
|
|
default: return "???";
|
|
}
|
|
}
|
|
|
|
int
|
|
ata_pmode(struct ata_params *ap)
|
|
{
|
|
if (ap->atavalid & ATA_FLAG_64_70) {
|
|
if (ap->apiomodes & 0x02)
|
|
return ATA_PIO4;
|
|
if (ap->apiomodes & 0x01)
|
|
return ATA_PIO3;
|
|
}
|
|
if (ap->mwdmamodes & 0x04)
|
|
return ATA_PIO4;
|
|
if (ap->mwdmamodes & 0x02)
|
|
return ATA_PIO3;
|
|
if (ap->mwdmamodes & 0x01)
|
|
return ATA_PIO2;
|
|
if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x200)
|
|
return ATA_PIO2;
|
|
if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x100)
|
|
return ATA_PIO1;
|
|
if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x000)
|
|
return ATA_PIO0;
|
|
return ATA_PIO0;
|
|
}
|
|
|
|
int
|
|
ata_wmode(struct ata_params *ap)
|
|
{
|
|
if (ap->mwdmamodes & 0x04)
|
|
return ATA_WDMA2;
|
|
if (ap->mwdmamodes & 0x02)
|
|
return ATA_WDMA1;
|
|
if (ap->mwdmamodes & 0x01)
|
|
return ATA_WDMA0;
|
|
return -1;
|
|
}
|
|
|
|
int
|
|
ata_umode(struct ata_params *ap)
|
|
{
|
|
if (ap->atavalid & ATA_FLAG_88) {
|
|
if (ap->udmamodes & 0x40)
|
|
return ATA_UDMA6;
|
|
if (ap->udmamodes & 0x20)
|
|
return ATA_UDMA5;
|
|
if (ap->udmamodes & 0x10)
|
|
return ATA_UDMA4;
|
|
if (ap->udmamodes & 0x08)
|
|
return ATA_UDMA3;
|
|
if (ap->udmamodes & 0x04)
|
|
return ATA_UDMA2;
|
|
if (ap->udmamodes & 0x02)
|
|
return ATA_UDMA1;
|
|
if (ap->udmamodes & 0x01)
|
|
return ATA_UDMA0;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
int
|
|
ata_limit_mode(struct ata_device *atadev, int mode, int maxmode)
|
|
{
|
|
if (maxmode && mode > maxmode)
|
|
mode = maxmode;
|
|
|
|
if (mode >= ATA_UDMA0 && ata_umode(atadev->param) > 0)
|
|
return min(mode, ata_umode(atadev->param));
|
|
|
|
if (mode >= ATA_WDMA0 && ata_wmode(atadev->param) > 0)
|
|
return min(mode, ata_wmode(atadev->param));
|
|
|
|
if (mode > ata_pmode(atadev->param))
|
|
return min(mode, ata_pmode(atadev->param));
|
|
|
|
return mode;
|
|
}
|
|
|
|
static void
|
|
ata_init(void)
|
|
{
|
|
/* register controlling device */
|
|
make_dev(&ata_cdevsw, 0, UID_ROOT, GID_OPERATOR, 0600, "ata");
|
|
|
|
/* register boot attach to be run when interrupts are enabled */
|
|
if (!(ata_delayed_attach = (struct intr_config_hook *)
|
|
malloc(sizeof(struct intr_config_hook),
|
|
M_TEMP, M_NOWAIT | M_ZERO))) {
|
|
printf("ata: malloc of delayed attach hook failed\n");
|
|
return;
|
|
}
|
|
ata_delayed_attach->ich_func = (void*)ata_boot_attach;
|
|
if (config_intrhook_establish(ata_delayed_attach) != 0) {
|
|
printf("ata: config_intrhook_establish failed\n");
|
|
free(ata_delayed_attach, M_TEMP);
|
|
}
|
|
|
|
/* register handler to flush write caches on shutdown */
|
|
if ((EVENTHANDLER_REGISTER(shutdown_post_sync, ata_shutdown,
|
|
NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
|
|
printf("ata: shutdown event registration failed!\n");
|
|
|
|
/* init our UMA zone for ATA requests */
|
|
ata_zone = uma_zcreate("ata_request", sizeof(struct ata_request),
|
|
NULL, NULL, NULL, NULL, 0, 0);
|
|
}
|
|
SYSINIT(atadev, SI_SUB_DRIVERS, SI_ORDER_SECOND, ata_init, NULL)
|