summaryrefslogtreecommitdiffstats
path: root/sys/dev/ata/ata-disk.c
diff options
context:
space:
mode:
Diffstat (limited to 'sys/dev/ata/ata-disk.c')
-rw-r--r--sys/dev/ata/ata-disk.c607
1 files changed, 0 insertions, 607 deletions
diff --git a/sys/dev/ata/ata-disk.c b/sys/dev/ata/ata-disk.c
deleted file mode 100644
index 22e9661..0000000
--- a/sys/dev/ata/ata-disk.c
+++ /dev/null
@@ -1,607 +0,0 @@
-/*-
- * Copyright (c) 1998 - 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.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include "opt_ata.h"
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/ata.h>
-#include <sys/kernel.h>
-#include <sys/module.h>
-#include <sys/malloc.h>
-#include <sys/bio.h>
-#include <sys/bus.h>
-#include <sys/conf.h>
-#include <sys/disk.h>
-#include <sys/cons.h>
-#include <sys/sema.h>
-#include <sys/taskqueue.h>
-#include <vm/uma.h>
-#include <machine/md_var.h>
-#include <machine/bus.h>
-#include <sys/rman.h>
-#include <geom/geom_disk.h>
-#include <dev/ata/ata-all.h>
-#include <dev/ata/ata-pci.h>
-#include <dev/ata/ata-disk.h>
-#include <dev/ata/ata-raid.h>
-#include <dev/pci/pcivar.h>
-#include <ata_if.h>
-
-/* prototypes */
-static void ad_init(device_t dev);
-static int ad_get_geometry(device_t dev);
-static void ad_set_geometry(device_t dev);
-static void ad_done(struct ata_request *request);
-static void ad_describe(device_t dev);
-static int ad_version(u_int16_t version);
-static disk_strategy_t ad_strategy;
-static disk_ioctl_t ad_ioctl;
-static dumper_t ad_dump;
-
-/*
- * Most platforms map firmware geom to actual, but some don't. If
- * not overridden, default to nothing.
- */
-#ifndef ata_disk_firmware_geom_adjust
-#define ata_disk_firmware_geom_adjust(disk)
-#endif
-
-/* local vars */
-static MALLOC_DEFINE(M_AD, "ad_driver", "ATA disk driver");
-
-static int
-ad_probe(device_t dev)
-{
- struct ata_device *atadev = device_get_softc(dev);
-
- if (!(atadev->param.config & ATA_PROTO_ATAPI) ||
- (atadev->param.config == ATA_CFA_MAGIC1) ||
- (atadev->param.config == ATA_CFA_MAGIC2) ||
- (atadev->param.config == ATA_CFA_MAGIC3))
- return 0;
- else
- return ENXIO;
-}
-
-static int
-ad_attach(device_t dev)
-{
- struct ata_channel *ch = device_get_softc(device_get_parent(dev));
- struct ata_device *atadev = device_get_softc(dev);
- struct ad_softc *adp;
- device_t parent;
-
- /* check that we have a virgin disk to attach */
- if (device_get_ivars(dev))
- return EEXIST;
-
- if (!(adp = malloc(sizeof(struct ad_softc), M_AD, M_NOWAIT | M_ZERO))) {
- device_printf(dev, "out of memory\n");
- return ENOMEM;
- }
- device_set_ivars(dev, adp);
-
- /* get device geometry into internal structs */
- if (ad_get_geometry(dev))
- return ENXIO;
-
- /* set the max size if configured */
- if (ata_setmax)
- ad_set_geometry(dev);
-
- /* init device parameters */
- ad_init(dev);
-
- /* announce we are here */
- ad_describe(dev);
-
- /* create the disk device */
- adp->disk = disk_alloc();
- adp->disk->d_strategy = ad_strategy;
- adp->disk->d_ioctl = ad_ioctl;
- adp->disk->d_dump = ad_dump;
- adp->disk->d_name = "ad";
- adp->disk->d_drv1 = dev;
- adp->disk->d_maxsize = ch->dma.max_iosize ? ch->dma.max_iosize : DFLTPHYS;
- if (atadev->param.support.command2 & ATA_SUPPORT_ADDRESS48)
- adp->disk->d_maxsize = min(adp->disk->d_maxsize, 65536 * DEV_BSIZE);
- else /* 28bit ATA command limit */
- adp->disk->d_maxsize = min(adp->disk->d_maxsize, 256 * DEV_BSIZE);
- adp->disk->d_sectorsize = DEV_BSIZE;
- adp->disk->d_mediasize = DEV_BSIZE * (off_t)adp->total_secs;
- adp->disk->d_fwsectors = adp->sectors;
- adp->disk->d_fwheads = adp->heads;
- adp->disk->d_unit = device_get_unit(dev);
- if (atadev->param.support.command2 & ATA_SUPPORT_FLUSHCACHE)
- adp->disk->d_flags |= DISKFLAG_CANFLUSHCACHE;
- if ((atadev->param.support.command2 & ATA_SUPPORT_CFA) ||
- atadev->param.config == ATA_PROTO_CFA)
- adp->disk->d_flags |= DISKFLAG_CANDELETE;
- strlcpy(adp->disk->d_ident, atadev->param.serial,
- sizeof(adp->disk->d_ident));
- strlcpy(adp->disk->d_descr, atadev->param.model,
- sizeof(adp->disk->d_descr));
- parent = device_get_parent(ch->dev);
- if (parent != NULL && device_get_parent(parent) != NULL &&
- (device_get_devclass(parent) ==
- devclass_find("atapci") ||
- device_get_devclass(device_get_parent(parent)) ==
- devclass_find("pci"))) {
- adp->disk->d_hba_vendor = pci_get_vendor(parent);
- adp->disk->d_hba_device = pci_get_device(parent);
- adp->disk->d_hba_subvendor = pci_get_subvendor(parent);
- adp->disk->d_hba_subdevice = pci_get_subdevice(parent);
- }
- ata_disk_firmware_geom_adjust(adp->disk);
- disk_create(adp->disk, DISK_VERSION);
- device_add_child(dev, "subdisk", device_get_unit(dev));
- bus_generic_attach(dev);
-
- callout_init(&atadev->spindown_timer, 1);
- return 0;
-}
-
-static int
-ad_detach(device_t dev)
-{
- struct ad_softc *adp = device_get_ivars(dev);
- struct ata_device *atadev = device_get_softc(dev);
-
- /* check that we have a valid disk to detach */
- if (!device_get_ivars(dev))
- return ENXIO;
-
- /* destroy the power timeout */
- callout_drain(&atadev->spindown_timer);
-
- /* detach & delete all children */
- device_delete_children(dev);
-
- /* destroy disk from the system so we don't get any further requests */
- disk_destroy(adp->disk);
-
- /* fail requests on the queue and any that's "in flight" for this device */
- ata_fail_requests(dev);
-
- /* don't leave anything behind */
- device_set_ivars(dev, NULL);
- free(adp, M_AD);
- return 0;
-}
-
-static int
-ad_shutdown(device_t dev)
-{
- struct ata_device *atadev = device_get_softc(dev);
-
- if (atadev->param.support.command2 & ATA_SUPPORT_FLUSHCACHE)
- ata_controlcmd(dev, ATA_FLUSHCACHE, 0, 0, 0);
- return 0;
-}
-
-static int
-ad_reinit(device_t dev)
-{
- struct ata_channel *ch = device_get_softc(device_get_parent(dev));
- struct ata_device *atadev = device_get_softc(dev);
-
- /* if detach pending, return error */
- if (!(ch->devices & (ATA_ATA_MASTER << atadev->unit)))
- return 1;
-
- ad_init(dev);
- return 0;
-}
-
-static void
-ad_power_callback(struct ata_request *request)
-{
- device_printf(request->dev, "drive spun down.\n");
- ata_free_request(request);
-}
-
-static void
-ad_spindown(void *priv)
-{
- device_t dev = priv;
- struct ata_device *atadev = device_get_softc(dev);
- struct ata_request *request;
-
- if (!atadev->spindown)
- return;
- device_printf(dev, "Idle, spin down\n");
- atadev->spindown_state = 1;
- if (!(request = ata_alloc_request())) {
- device_printf(dev, "FAILURE - out of memory in ad_spindown\n");
- return;
- }
- request->dev = dev;
- request->flags = ATA_R_CONTROL;
- request->timeout = ATA_REQUEST_TIMEOUT;
- request->retries = 1;
- request->callback = ad_power_callback;
- request->u.ata.command = ATA_STANDBY_IMMEDIATE;
- ata_queue_request(request);
-}
-
-
-static void
-ad_strategy(struct bio *bp)
-{
- device_t dev = bp->bio_disk->d_drv1;
- struct ata_device *atadev = device_get_softc(dev);
- struct ata_request *request;
-
- if (atadev->spindown)
- callout_reset(&atadev->spindown_timer, hz * atadev->spindown,
- ad_spindown, dev);
-
- if (!(request = ata_alloc_request())) {
- device_printf(dev, "FAILURE - out of memory in start\n");
- biofinish(bp, NULL, ENOMEM);
- return;
- }
-
- /* setup request */
- request->dev = dev;
- request->bio = bp;
- request->callback = ad_done;
- if (atadev->spindown_state) {
- device_printf(dev, "request while spun down, starting.\n");
- atadev->spindown_state = 0;
- request->timeout = MAX(ATA_REQUEST_TIMEOUT, 31);
- }
- else {
- request->timeout = ATA_REQUEST_TIMEOUT;
- }
- request->retries = 2;
- request->data = bp->bio_data;
- request->bytecount = bp->bio_bcount;
- request->u.ata.lba = bp->bio_pblkno;
- request->u.ata.count = request->bytecount / DEV_BSIZE;
- request->transfersize = min(bp->bio_bcount, atadev->max_iosize);
-
- switch (bp->bio_cmd) {
- case BIO_READ:
- request->flags = ATA_R_READ;
- if (atadev->mode >= ATA_DMA) {
- request->u.ata.command = ATA_READ_DMA;
- request->flags |= ATA_R_DMA;
- }
- else if (request->transfersize > DEV_BSIZE)
- request->u.ata.command = ATA_READ_MUL;
- else
- request->u.ata.command = ATA_READ;
- break;
- case BIO_WRITE:
- request->flags = ATA_R_WRITE;
- if (atadev->mode >= ATA_DMA) {
- request->u.ata.command = ATA_WRITE_DMA;
- request->flags |= ATA_R_DMA;
- }
- else if (request->transfersize > DEV_BSIZE)
- request->u.ata.command = ATA_WRITE_MUL;
- else
- request->u.ata.command = ATA_WRITE;
- break;
- case BIO_DELETE:
- request->flags = ATA_R_CONTROL;
- request->u.ata.command = ATA_CFA_ERASE;
- request->transfersize = 0;
- request->donecount = bp->bio_bcount;
- break;
- case BIO_FLUSH:
- request->u.ata.lba = 0;
- request->u.ata.count = 0;
- request->u.ata.feature = 0;
- request->bytecount = 0;
- request->transfersize = 0;
- request->flags = ATA_R_CONTROL;
- request->u.ata.command = ATA_FLUSHCACHE;
- break;
- default:
- device_printf(dev, "FAILURE - unknown BIO operation\n");
- ata_free_request(request);
- biofinish(bp, NULL, EIO);
- return;
- }
- request->flags |= ATA_R_ORDERED;
- ata_queue_request(request);
-}
-
-static void
-ad_done(struct ata_request *request)
-{
- struct bio *bp = request->bio;
-
- /* finish up transfer */
- if ((bp->bio_error = request->result))
- bp->bio_flags |= BIO_ERROR;
- bp->bio_resid = bp->bio_bcount - request->donecount;
- biodone(bp);
- ata_free_request(request);
-}
-
-static int
-ad_ioctl(struct disk *disk, u_long cmd, void *data, int flag, struct thread *td)
-{
- return ata_device_ioctl(disk->d_drv1, cmd, data);
-}
-
-static int
-ad_dump(void *arg, void *virtual, vm_offset_t physical,
- off_t offset, size_t length)
-{
- struct disk *dp = arg;
- device_t dev = dp->d_drv1;
- struct bio bp;
-
- /* XXX: Drop pre-dump request queue. Long request queue processing
- * causes stack overflow in ATA working in dumping (interruptless) mode.
- * Conter-XXX: To make dump coherent we should avoid doing anything
- * else while dumping.
- */
- ata_drop_requests(dev);
-
- /* length zero is special and really means flush buffers to media */
- if (!length) {
- struct ata_device *atadev = device_get_softc(dev);
- int error = 0;
-
- if (atadev->param.support.command2 & ATA_SUPPORT_FLUSHCACHE)
- error = ata_controlcmd(dev, ATA_FLUSHCACHE, 0, 0, 0);
- return error;
- }
-
- bzero(&bp, sizeof(struct bio));
- bp.bio_disk = dp;
- bp.bio_pblkno = offset / DEV_BSIZE;
- bp.bio_bcount = length;
- bp.bio_data = virtual;
- bp.bio_cmd = BIO_WRITE;
- ad_strategy(&bp);
- return bp.bio_error;
-}
-
-static void
-ad_init(device_t dev)
-{
- struct ata_device *atadev = device_get_softc(dev);
-
- ata_setmode(dev);
-
- /* enable readahead caching */
- if (atadev->param.support.command1 & ATA_SUPPORT_LOOKAHEAD)
- ata_controlcmd(dev, ATA_SETFEATURES, ATA_SF_ENAB_RCACHE, 0, 0);
-
- /* enable write caching if supported and configured */
- if (atadev->param.support.command1 & ATA_SUPPORT_WRITECACHE) {
- if (ata_wc)
- ata_controlcmd(dev, ATA_SETFEATURES, ATA_SF_ENAB_WCACHE, 0, 0);
- else
- ata_controlcmd(dev, ATA_SETFEATURES, ATA_SF_DIS_WCACHE, 0, 0);
- }
-
- /* use multiple sectors/interrupt if device supports it */
- if (ad_version(atadev->param.version_major)) {
- int secsperint = max(1, min(atadev->param.sectors_intr & 0xff, 16));
-
- if (!ata_controlcmd(dev, ATA_SET_MULTI, 0, 0, secsperint))
- atadev->max_iosize = secsperint * DEV_BSIZE;
- else
- atadev->max_iosize = DEV_BSIZE;
- }
- else
- atadev->max_iosize = DEV_BSIZE;
-}
-
-static int
-ad_get_geometry(device_t dev)
-{
- struct ata_device *atadev = device_get_softc(dev);
- struct ad_softc *adp = device_get_ivars(dev);
- u_int64_t lbasize48;
- u_int32_t lbasize;
-
- if ((atadev->param.atavalid & ATA_FLAG_54_58) &&
- atadev->param.current_heads && atadev->param.current_sectors) {
- adp->heads = atadev->param.current_heads;
- adp->sectors = atadev->param.current_sectors;
- adp->total_secs = (u_int32_t)atadev->param.current_size_1 |
- ((u_int32_t)atadev->param.current_size_2 << 16);
- }
- else {
- adp->heads = atadev->param.heads;
- adp->sectors = atadev->param.sectors;
- adp->total_secs = atadev->param.cylinders * adp->heads * adp->sectors;
- }
- lbasize = (u_int32_t)atadev->param.lba_size_1 |
- ((u_int32_t)atadev->param.lba_size_2 << 16);
- /* This device exists, but has no size. Filter out this bogus device. */
- if (!lbasize && !adp->total_secs)
- return ENXIO;
-
- /* does this device need oldstyle CHS addressing */
- if (!ad_version(atadev->param.version_major) || !lbasize)
- atadev->flags |= ATA_D_USE_CHS;
-
- /* use the 28bit LBA size if valid or bigger than the CHS mapping */
- if (atadev->param.cylinders == 16383 || adp->total_secs < lbasize)
- adp->total_secs = lbasize;
-
- /* use the 48bit LBA size if valid */
- lbasize48 = ((u_int64_t)atadev->param.lba_size48_1) |
- ((u_int64_t)atadev->param.lba_size48_2 << 16) |
- ((u_int64_t)atadev->param.lba_size48_3 << 32) |
- ((u_int64_t)atadev->param.lba_size48_4 << 48);
- if ((atadev->param.support.command2 & ATA_SUPPORT_ADDRESS48) &&
- lbasize48 > ATA_MAX_28BIT_LBA)
- adp->total_secs = lbasize48;
- return 0;
-}
-
-static void
-ad_set_geometry(device_t dev)
-{
- struct ad_softc *adp = device_get_ivars(dev);
- struct ata_request *request;
-
- if (1 | bootverbose)
- device_printf(dev, "ORG %ju sectors [%juC/%dH/%dS]\n", adp->total_secs,
- adp->total_secs / (adp->heads * adp->sectors),
- adp->heads, adp->sectors);
-
- if (!(request = ata_alloc_request()))
- return;
-
- /* get the max native size the device supports */
- request->dev = dev;
- request->u.ata.command = ATA_READ_NATIVE_MAX_ADDRESS;
- request->u.ata.lba = 0;
- request->u.ata.count = 0;
- request->u.ata.feature = 0;
- request->flags = ATA_R_CONTROL | ATA_R_QUIET;
- request->timeout = ATA_REQUEST_TIMEOUT;
- request->retries = 0;
- ata_queue_request(request);
- if (request->status & ATA_S_ERROR)
- goto out;
-
- if (1 | bootverbose)
- device_printf(dev, "MAX %ju sectors\n", request->u.ata.lba + 1);
-
- /* if original size equals max size nothing more todo */
- if (adp->total_secs >= request->u.ata.lba)
- goto out;
-
- /* set the max native size to its max */
- request->dev = dev;
- request->u.ata.command = ATA_SET_MAX_ADDRESS;
- request->u.ata.count = 1;
- request->u.ata.feature = 0;
- request->flags = ATA_R_CONTROL;
- request->timeout = ATA_REQUEST_TIMEOUT;
- request->retries = 0;
- ata_queue_request(request);
- if (request->status & ATA_S_ERROR)
- goto out;
-
- /* refresh geometry from drive */
- ata_getparam(device_get_softc(dev), 0);
- ad_get_geometry(dev);
- if (1 | bootverbose)
- device_printf(dev, "NEW %ju sectors [%juC/%dH/%dS]\n", adp->total_secs,
- adp->total_secs / (adp->heads * adp->sectors),
- adp->heads, adp->sectors);
-out:
- ata_free_request(request);
-}
-
-static void
-ad_describe(device_t dev)
-{
- struct ata_channel *ch = device_get_softc(device_get_parent(dev));
- struct ata_device *atadev = device_get_softc(dev);
- struct ad_softc *adp = device_get_ivars(dev);
- u_int8_t *marker, vendor[64], product[64];
-
- /* try to separate the ATA model string into vendor and model parts */
- if ((marker = strchr(atadev->param.model, ' ')) ||
- (marker = strchr(atadev->param.model, '-'))) {
- int len = (marker - atadev->param.model);
-
- strncpy(vendor, atadev->param.model, len);
- vendor[len++] = 0;
- strcat(vendor, " ");
- strncpy(product, atadev->param.model + len, 40 - len);
- vendor[40 - len] = 0;
- }
- else {
- if (!strncmp(atadev->param.model, "ST", 2))
- strcpy(vendor, "Seagate ");
- else if (!strncmp(atadev->param.model, "HDS", 3))
- strcpy(vendor, "Hitachi ");
- else
- strcpy(vendor, "");
- strncpy(product, atadev->param.model, 40);
- }
-
- device_printf(dev, "%juMB <%s%s %.8s> at ata%d-%s %s%s %s\n",
- adp->total_secs / (1048576 / DEV_BSIZE),
- vendor, product, atadev->param.revision,
- device_get_unit(ch->dev), ata_unit2str(atadev),
- (adp->flags & AD_F_TAG_ENABLED) ? "tagged " : "",
- ata_mode2str(atadev->mode),
- ata_satarev2str(ATA_GETREV(device_get_parent(dev), atadev->unit)));
- if (bootverbose) {
- device_printf(dev, "%ju sectors [%juC/%dH/%dS] "
- "%d sectors/interrupt %d depth queue\n", adp->total_secs,
- adp->total_secs / (adp->heads * adp->sectors),
- adp->heads, adp->sectors, atadev->max_iosize / DEV_BSIZE,
- adp->num_tags + 1);
- }
-}
-
-static int
-ad_version(u_int16_t version)
-{
- int bit;
-
- if (version == 0xffff)
- return 0;
- for (bit = 15; bit >= 0; bit--)
- if (version & (1<<bit))
- return bit;
- return 0;
-}
-
-static device_method_t ad_methods[] = {
- /* device interface */
- DEVMETHOD(device_probe, ad_probe),
- DEVMETHOD(device_attach, ad_attach),
- DEVMETHOD(device_detach, ad_detach),
- DEVMETHOD(device_shutdown, ad_shutdown),
-
- /* ATA methods */
- DEVMETHOD(ata_reinit, ad_reinit),
-
- DEVMETHOD_END
-};
-
-static driver_t ad_driver = {
- "ad",
- ad_methods,
- 0,
-};
-
-devclass_t ad_devclass;
-
-DRIVER_MODULE(ad, ata, ad_driver, ad_devclass, NULL, NULL);
-MODULE_VERSION(ad, 1);
-MODULE_DEPEND(ad, ata, 1, 1, 1);
OpenPOWER on IntegriCloud