#include "libata.h"
-#define DRV_VERSION "2.20" /* must be exactly four chars */
+#define DRV_VERSION "2.21" /* must be exactly four chars */
/* debounce timing parameters in msecs { interval, duration, timeout } */
module_param_named(fua, libata_fua, int, 0444);
MODULE_PARM_DESC(fua, "FUA support (0=off, 1=on)");
+static int ata_ignore_hpa = 0;
+module_param_named(ignore_hpa, ata_ignore_hpa, int, 0644);
+MODULE_PARM_DESC(ignore_hpa, "Ignore HPA limit (0=keep BIOS limits, 1=ignore limits, using full disk)");
+
static int ata_probe_timeout = ATA_TMOUT_INTERNAL / HZ;
module_param(ata_probe_timeout, int, 0444);
MODULE_PARM_DESC(ata_probe_timeout, "Set ATA probing timeout (seconds)");
void ata_dev_disable(struct ata_device *dev)
{
- if (ata_dev_enabled(dev) && ata_msg_drv(dev->ap)) {
- ata_dev_printk(dev, KERN_WARNING, "disabled\n");
+ if (ata_dev_enabled(dev)) {
+ if (ata_msg_drv(dev->ap))
+ ata_dev_printk(dev, KERN_WARNING, "disabled\n");
ata_down_xfermask_limit(dev, ATA_DNXFER_FORCE_PIO0 |
ATA_DNXFER_QUIET);
dev->class++;
*p = '\0';
}
+static u64 ata_tf_to_lba48(struct ata_taskfile *tf)
+{
+ u64 sectors = 0;
+
+ sectors |= ((u64)(tf->hob_lbah & 0xff)) << 40;
+ sectors |= ((u64)(tf->hob_lbam & 0xff)) << 32;
+ sectors |= (tf->hob_lbal & 0xff) << 24;
+ sectors |= (tf->lbah & 0xff) << 16;
+ sectors |= (tf->lbam & 0xff) << 8;
+ sectors |= (tf->lbal & 0xff);
+
+ return ++sectors;
+}
+
+static u64 ata_tf_to_lba(struct ata_taskfile *tf)
+{
+ u64 sectors = 0;
+
+ sectors |= (tf->device & 0x0f) << 24;
+ sectors |= (tf->lbah & 0xff) << 16;
+ sectors |= (tf->lbam & 0xff) << 8;
+ sectors |= (tf->lbal & 0xff);
+
+ return ++sectors;
+}
+
+/**
+ * ata_read_native_max_address_ext - LBA48 native max query
+ * @dev: Device to query
+ *
+ * Perform an LBA48 size query upon the device in question. Return the
+ * actual LBA48 size or zero if the command fails.
+ */
+
+static u64 ata_read_native_max_address_ext(struct ata_device *dev)
+{
+ unsigned int err;
+ struct ata_taskfile tf;
+
+ ata_tf_init(dev, &tf);
+
+ tf.command = ATA_CMD_READ_NATIVE_MAX_EXT;
+ tf.flags |= ATA_TFLAG_DEVICE | ATA_TFLAG_LBA48 | ATA_TFLAG_ISADDR;
+ tf.protocol |= ATA_PROT_NODATA;
+ tf.device |= 0x40;
+
+ err = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0);
+ if (err)
+ return 0;
+
+ return ata_tf_to_lba48(&tf);
+}
+
+/**
+ * ata_read_native_max_address - LBA28 native max query
+ * @dev: Device to query
+ *
+ * Performa an LBA28 size query upon the device in question. Return the
+ * actual LBA28 size or zero if the command fails.
+ */
+
+static u64 ata_read_native_max_address(struct ata_device *dev)
+{
+ unsigned int err;
+ struct ata_taskfile tf;
+
+ ata_tf_init(dev, &tf);
+
+ tf.command = ATA_CMD_READ_NATIVE_MAX;
+ tf.flags |= ATA_TFLAG_DEVICE | ATA_TFLAG_ISADDR;
+ tf.protocol |= ATA_PROT_NODATA;
+ tf.device |= 0x40;
+
+ err = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0);
+ if (err)
+ return 0;
+
+ return ata_tf_to_lba(&tf);
+}
+
+/**
+ * ata_set_native_max_address_ext - LBA48 native max set
+ * @dev: Device to query
+ * @new_sectors: new max sectors value to set for the device
+ *
+ * Perform an LBA48 size set max upon the device in question. Return the
+ * actual LBA48 size or zero if the command fails.
+ */
+
+static u64 ata_set_native_max_address_ext(struct ata_device *dev, u64 new_sectors)
+{
+ unsigned int err;
+ struct ata_taskfile tf;
+
+ new_sectors--;
+
+ ata_tf_init(dev, &tf);
+
+ tf.command = ATA_CMD_SET_MAX_EXT;
+ tf.flags |= ATA_TFLAG_DEVICE | ATA_TFLAG_LBA48 | ATA_TFLAG_ISADDR;
+ tf.protocol |= ATA_PROT_NODATA;
+ tf.device |= 0x40;
+
+ tf.lbal = (new_sectors >> 0) & 0xff;
+ tf.lbam = (new_sectors >> 8) & 0xff;
+ tf.lbah = (new_sectors >> 16) & 0xff;
+
+ tf.hob_lbal = (new_sectors >> 24) & 0xff;
+ tf.hob_lbam = (new_sectors >> 32) & 0xff;
+ tf.hob_lbah = (new_sectors >> 40) & 0xff;
+
+ err = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0);
+ if (err)
+ return 0;
+
+ return ata_tf_to_lba48(&tf);
+}
+
+/**
+ * ata_set_native_max_address - LBA28 native max set
+ * @dev: Device to query
+ * @new_sectors: new max sectors value to set for the device
+ *
+ * Perform an LBA28 size set max upon the device in question. Return the
+ * actual LBA28 size or zero if the command fails.
+ */
+
+static u64 ata_set_native_max_address(struct ata_device *dev, u64 new_sectors)
+{
+ unsigned int err;
+ struct ata_taskfile tf;
+
+ new_sectors--;
+
+ ata_tf_init(dev, &tf);
+
+ tf.command = ATA_CMD_SET_MAX;
+ tf.flags |= ATA_TFLAG_DEVICE | ATA_TFLAG_ISADDR;
+ tf.protocol |= ATA_PROT_NODATA;
+
+ tf.lbal = (new_sectors >> 0) & 0xff;
+ tf.lbam = (new_sectors >> 8) & 0xff;
+ tf.lbah = (new_sectors >> 16) & 0xff;
+ tf.device |= ((new_sectors >> 24) & 0x0f) | 0x40;
+
+ err = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0);
+ if (err)
+ return 0;
+
+ return ata_tf_to_lba(&tf);
+}
+
+/**
+ * ata_hpa_resize - Resize a device with an HPA set
+ * @dev: Device to resize
+ *
+ * Read the size of an LBA28 or LBA48 disk with HPA features and resize
+ * it if required to the full size of the media. The caller must check
+ * the drive has the HPA feature set enabled.
+ */
+
+static u64 ata_hpa_resize(struct ata_device *dev)
+{
+ u64 sectors = dev->n_sectors;
+ u64 hpa_sectors;
+
+ if (ata_id_has_lba48(dev->id))
+ hpa_sectors = ata_read_native_max_address_ext(dev);
+ else
+ hpa_sectors = ata_read_native_max_address(dev);
+
+ if (hpa_sectors > sectors) {
+ ata_dev_printk(dev, KERN_INFO,
+ "Host Protected Area detected:\n"
+ "\tcurrent size: %lld sectors\n"
+ "\tnative size: %lld sectors\n",
+ (long long)sectors, (long long)hpa_sectors);
+
+ if (ata_ignore_hpa) {
+ if (ata_id_has_lba48(dev->id))
+ hpa_sectors = ata_set_native_max_address_ext(dev, hpa_sectors);
+ else
+ hpa_sectors = ata_set_native_max_address(dev,
+ hpa_sectors);
+
+ if (hpa_sectors) {
+ ata_dev_printk(dev, KERN_INFO, "native size "
+ "increased to %lld sectors\n",
+ (long long)hpa_sectors);
+ return hpa_sectors;
+ }
+ }
+ } else if (hpa_sectors < sectors)
+ ata_dev_printk(dev, KERN_WARNING, "%s 1: hpa sectors (%lld) "
+ "is smaller than sectors (%lld)\n", __FUNCTION__,
+ (long long)hpa_sectors, (long long)sectors);
+
+ return sectors;
+}
+
static u64 ata_id_n_sectors(const u16 *id)
{
if (ata_id_has_lba(id)) {
spin_unlock_irqrestore(ap->lock, flags);
DPRINTK("flush #1\n");
- flush_workqueue(ata_wq);
+ cancel_work_sync(&ap->port_task.work); /* akpm: seems unneeded */
/*
* At this point, if a task is running, it's guaranteed to see
if (ata_msg_ctl(ap))
ata_port_printk(ap, KERN_DEBUG, "%s: flush #2\n",
__FUNCTION__);
- flush_workqueue(ata_wq);
+ cancel_work_sync(&ap->port_task.work);
}
spin_lock_irqsave(ap->lock, flags);
* Check if the current speed of the device requires IORDY. Used
* by various controllers for chip configuration.
*/
-
+
unsigned int ata_pio_need_iordy(const struct ata_device *adev)
{
/* Controller doesn't support IORDY. Probably a pointless check
* Compute the highest mode possible if we are not using iordy. Return
* -1 if no iordy mode is available.
*/
-
+
static u32 ata_pio_mask_no_iordy(const struct ata_device *adev)
{
/* If we have no drive specific rule, then PIO 2 is non IORDY */
struct ata_taskfile tf;
unsigned int err_mask = 0;
const char *reason;
+ int may_fallback = 1, tried_spinup = 0;
int rc;
if (ata_msg_ctl(ap))
ata_dev_printk(dev, KERN_DEBUG, "%s: ENTER\n", __FUNCTION__);
ata_dev_select(ap, dev->devno, 1, 1); /* select device 0/1 */
-
retry:
ata_tf_init(dev, &tf);
return -ENOENT;
}
+ /* Device or controller might have reported the wrong
+ * device class. Give a shot at the other IDENTIFY if
+ * the current one is aborted by the device.
+ */
+ if (may_fallback &&
+ (err_mask == AC_ERR_DEV) && (tf.feature & ATA_ABORTED)) {
+ may_fallback = 0;
+
+ if (class == ATA_DEV_ATA)
+ class = ATA_DEV_ATAPI;
+ else
+ class = ATA_DEV_ATA;
+ goto retry;
+ }
+
rc = -EIO;
reason = "I/O error";
goto err_out;
}
+ /* Falling back doesn't make sense if ID data was read
+ * successfully at least once.
+ */
+ may_fallback = 0;
+
swap_buf_le16(id, ATA_ID_WORDS);
/* sanity check */
rc = -EINVAL;
- reason = "device reports illegal type";
+ reason = "device reports invalid type";
if (class == ATA_DEV_ATA) {
if (!ata_id_is_ata(id) && !ata_id_is_cfa(id))
goto err_out;
}
+ if (!tried_spinup && (id[2] == 0x37c8 || id[2] == 0x738c)) {
+ tried_spinup = 1;
+ /*
+ * Drive powered-up in standby mode, and requires a specific
+ * SET_FEATURES spin-up subcommand before it will accept
+ * anything other than the original IDENTIFY command.
+ */
+ ata_tf_init(dev, &tf);
+ tf.command = ATA_CMD_SET_FEATURES;
+ tf.feature = SETFEATURES_SPINUP;
+ tf.protocol = ATA_PROT_NODATA;
+ tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE;
+ err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0);
+ if (err_mask) {
+ rc = -EIO;
+ reason = "SPINUP failed";
+ goto err_out;
+ }
+ /*
+ * If the drive initially returned incomplete IDENTIFY info,
+ * we now must reissue the IDENTIFY command.
+ */
+ if (id[2] == 0x37c8)
+ goto retry;
+ }
+
if ((flags & ATA_READID_POSTRESET) && class == ATA_DEV_ATA) {
/*
* The exact sequence expected by certain pre-ATA4 drives is:
ata_dev_printk(dev, KERN_DEBUG, "%s: ENTER\n", __FUNCTION__);
/* set _SDD */
- rc = ata_acpi_push_id(ap, dev->devno);
+ rc = ata_acpi_push_id(dev);
if (rc) {
ata_dev_printk(dev, KERN_WARNING, "failed to set _SDD(%d)\n",
rc);
if (ata_msg_probe(ap))
ata_dump_id(id);
+ /* SCSI only uses 4-char revisions, dump full 8 chars from ATA */
+ ata_id_c_string(dev->id, fwrevbuf, ATA_ID_FW_REV,
+ sizeof(fwrevbuf));
+
+ ata_id_c_string(dev->id, modelbuf, ATA_ID_PROD,
+ sizeof(modelbuf));
+
/* ATA-specific feature tests */
if (dev->class == ATA_DEV_ATA) {
if (ata_id_is_cfa(id)) {
dev->n_sectors = ata_id_n_sectors(id);
- /* SCSI only uses 4-char revisions, dump full 8 chars from ATA */
- ata_id_c_string(dev->id, fwrevbuf, ATA_ID_FW_REV,
- sizeof(fwrevbuf));
-
- ata_id_c_string(dev->id, modelbuf, ATA_ID_PROD,
- sizeof(modelbuf));
-
if (dev->id[59] & 0x100)
dev->multi_count = dev->id[59] & 0xff;
dev->flags |= ATA_DFLAG_FLUSH_EXT;
}
+ if (ata_id_hpa_enabled(dev->id))
+ dev->n_sectors = ata_hpa_resize(dev);
+
/* config NCQ */
ata_dev_config_ncq(dev, ncq_desc, sizeof(ncq_desc));
/* print device info to dmesg */
if (ata_msg_drv(ap) && print_info)
- ata_dev_printk(dev, KERN_INFO, "ATAPI, max %s%s\n",
+ ata_dev_printk(dev, KERN_INFO,
+ "ATAPI: %s, %s, max %s%s\n",
+ modelbuf, fwrevbuf,
ata_mode_string(xfer_mask),
cdb_intr_string);
}
dev->max_sectors = min_t(unsigned int, ATA_MAX_SECTORS_128,
dev->max_sectors);
- /* limit ATAPI DMA to R/W commands only */
- if (ata_device_blacklisted(dev) & ATA_HORKAGE_DMA_RW_ONLY)
- dev->horkage |= ATA_HORKAGE_DMA_RW_ONLY;
-
if (ap->ops->dev_config)
ap->ops->dev_config(dev);
t->recover = t->cycle - t->active;
}
+ /* In a few cases quantisation may produce enough errors to
+ leave t->cycle too low for the sum of active and recovery
+ if so we must correct this */
+ if (t->active + t->recover > t->cycle)
+ t->cycle = t->active + t->recover;
+
return 0;
}
dev = &ap->device[i];
/* don't update suspended devices' xfer mode */
- if (!ata_dev_ready(dev))
+ if (!ata_dev_enabled(dev))
continue;
rc = ata_dev_set_mode(dev);
if (used_dma && (ap->host->flags & ATA_HOST_SIMPLEX))
ap->host->simplex_claimed = ap;
- /* step5: chip specific finalisation */
- if (ap->ops->post_set_mode)
- ap->ops->post_set_mode(ap);
out:
if (rc)
*r_failed_dev = dev;
return 0;
}
-static void ata_bus_post_reset(struct ata_port *ap, unsigned int devmask)
+/**
+ * ata_wait_ready - sleep until BSY clears, or timeout
+ * @ap: port containing status register to be polled
+ * @deadline: deadline jiffies for the operation
+ *
+ * Sleep until ATA Status register bit BSY clears, or timeout
+ * occurs.
+ *
+ * LOCKING:
+ * Kernel thread context (may sleep).
+ *
+ * RETURNS:
+ * 0 on success, -errno otherwise.
+ */
+int ata_wait_ready(struct ata_port *ap, unsigned long deadline)
+{
+ unsigned long start = jiffies;
+ int warned = 0;
+
+ while (1) {
+ u8 status = ata_chk_status(ap);
+ unsigned long now = jiffies;
+
+ if (!(status & ATA_BUSY))
+ return 0;
+ if (!ata_port_online(ap) && status == 0xff)
+ return -ENODEV;
+ if (time_after(now, deadline))
+ return -EBUSY;
+
+ if (!warned && time_after(now, start + 5 * HZ) &&
+ (deadline - now > 3 * HZ)) {
+ ata_port_printk(ap, KERN_WARNING,
+ "port is slow to respond, please be patient "
+ "(Status 0x%x)\n", status);
+ warned = 1;
+ }
+
+ msleep(50);
+ }
+}
+
+static int ata_bus_post_reset(struct ata_port *ap, unsigned int devmask,
+ unsigned long deadline)
{
struct ata_ioports *ioaddr = &ap->ioaddr;
unsigned int dev0 = devmask & (1 << 0);
unsigned int dev1 = devmask & (1 << 1);
- unsigned long timeout;
+ int rc, ret = 0;
/* if device 0 was found in ata_devchk, wait for its
* BSY bit to clear
*/
- if (dev0)
- ata_busy_sleep(ap, ATA_TMOUT_BOOT_QUICK, ATA_TMOUT_BOOT);
+ if (dev0) {
+ rc = ata_wait_ready(ap, deadline);
+ if (rc) {
+ if (rc != -ENODEV)
+ return rc;
+ ret = rc;
+ }
+ }
- /* if device 1 was found in ata_devchk, wait for
- * register access, then wait for BSY to clear
+ /* if device 1 was found in ata_devchk, wait for register
+ * access briefly, then wait for BSY to clear.
*/
- timeout = jiffies + ATA_TMOUT_BOOT;
- while (dev1) {
- u8 nsect, lbal;
+ if (dev1) {
+ int i;
ap->ops->dev_select(ap, 1);
- nsect = ioread8(ioaddr->nsect_addr);
- lbal = ioread8(ioaddr->lbal_addr);
- if ((nsect == 1) && (lbal == 1))
- break;
- if (time_after(jiffies, timeout)) {
- dev1 = 0;
- break;
+
+ /* Wait for register access. Some ATAPI devices fail
+ * to set nsect/lbal after reset, so don't waste too
+ * much time on it. We're gonna wait for !BSY anyway.
+ */
+ for (i = 0; i < 2; i++) {
+ u8 nsect, lbal;
+
+ nsect = ioread8(ioaddr->nsect_addr);
+ lbal = ioread8(ioaddr->lbal_addr);
+ if ((nsect == 1) && (lbal == 1))
+ break;
+ msleep(50); /* give drive a breather */
+ }
+
+ rc = ata_wait_ready(ap, deadline);
+ if (rc) {
+ if (rc != -ENODEV)
+ return rc;
+ ret = rc;
}
- msleep(50); /* give drive a breather */
}
- if (dev1)
- ata_busy_sleep(ap, ATA_TMOUT_BOOT_QUICK, ATA_TMOUT_BOOT);
/* is all this really necessary? */
ap->ops->dev_select(ap, 0);
ap->ops->dev_select(ap, 1);
if (dev0)
ap->ops->dev_select(ap, 0);
+
+ return ret;
}
-static unsigned int ata_bus_softreset(struct ata_port *ap,
- unsigned int devmask)
+static int ata_bus_softreset(struct ata_port *ap, unsigned int devmask,
+ unsigned long deadline)
{
struct ata_ioports *ioaddr = &ap->ioaddr;
* pulldown resistor.
*/
if (ata_check_status(ap) == 0xFF)
- return 0;
-
- ata_bus_post_reset(ap, devmask);
+ return -ENODEV;
- return 0;
+ return ata_bus_post_reset(ap, devmask, deadline);
}
/**
unsigned int slave_possible = ap->flags & ATA_FLAG_SLAVE_POSS;
u8 err;
unsigned int dev0, dev1 = 0, devmask = 0;
+ int rc;
DPRINTK("ENTER, host %u, port %u\n", ap->print_id, ap->port_no);
ap->ops->dev_select(ap, 0);
/* issue bus reset */
- if (ap->flags & ATA_FLAG_SRST)
- if (ata_bus_softreset(ap, devmask))
+ if (ap->flags & ATA_FLAG_SRST) {
+ rc = ata_bus_softreset(ap, devmask, jiffies + 40 * HZ);
+ if (rc && rc != -ENODEV)
goto err_out;
+ }
/*
* determine by signature whether we have ATA or ATAPI devices
* sata_phy_debounce - debounce SATA phy status
* @ap: ATA port to debounce SATA phy status for
* @params: timing parameters { interval, duratinon, timeout } in msec
+ * @deadline: deadline jiffies for the operation
*
* Make sure SStatus of @ap reaches stable state, determined by
* holding the same value where DET is not 1 for @duration polled
* every @interval, before @timeout. Timeout constraints the
- * beginning of the stable state. Because, after hot unplugging,
- * DET gets stuck at 1 on some controllers, this functions waits
+ * beginning of the stable state. Because DET gets stuck at 1 on
+ * some controllers after hot unplugging, this functions waits
* until timeout then returns 0 if DET is stable at 1.
*
+ * @timeout is further limited by @deadline. The sooner of the
+ * two is used.
+ *
* LOCKING:
* Kernel thread context (may sleep)
*
* RETURNS:
* 0 on success, -errno on failure.
*/
-int sata_phy_debounce(struct ata_port *ap, const unsigned long *params)
+int sata_phy_debounce(struct ata_port *ap, const unsigned long *params,
+ unsigned long deadline)
{
unsigned long interval_msec = params[0];
- unsigned long duration = params[1] * HZ / 1000;
- unsigned long timeout = jiffies + params[2] * HZ / 1000;
- unsigned long last_jiffies;
+ unsigned long duration = msecs_to_jiffies(params[1]);
+ unsigned long last_jiffies, t;
u32 last, cur;
int rc;
+ t = jiffies + msecs_to_jiffies(params[2]);
+ if (time_before(t, deadline))
+ deadline = t;
+
if ((rc = sata_scr_read(ap, SCR_STATUS, &cur)))
return rc;
cur &= 0xf;
/* DET stable? */
if (cur == last) {
- if (cur == 1 && time_before(jiffies, timeout))
+ if (cur == 1 && time_before(jiffies, deadline))
continue;
if (time_after(jiffies, last_jiffies + duration))
return 0;
last = cur;
last_jiffies = jiffies;
- /* check timeout */
- if (time_after(jiffies, timeout))
+ /* check deadline */
+ if (time_after(jiffies, deadline))
return -EBUSY;
}
}
* sata_phy_resume - resume SATA phy
* @ap: ATA port to resume SATA phy for
* @params: timing parameters { interval, duratinon, timeout } in msec
+ * @deadline: deadline jiffies for the operation
*
* Resume SATA phy of @ap and debounce it.
*
* RETURNS:
* 0 on success, -errno on failure.
*/
-int sata_phy_resume(struct ata_port *ap, const unsigned long *params)
+int sata_phy_resume(struct ata_port *ap, const unsigned long *params,
+ unsigned long deadline)
{
u32 scontrol;
int rc;
*/
msleep(200);
- return sata_phy_debounce(ap, params);
-}
-
-static void ata_wait_spinup(struct ata_port *ap)
-{
- struct ata_eh_context *ehc = &ap->eh_context;
- unsigned long end, secs;
- int rc;
-
- /* first, debounce phy if SATA */
- if (ap->cbl == ATA_CBL_SATA) {
- rc = sata_phy_debounce(ap, sata_deb_timing_hotplug);
-
- /* if debounced successfully and offline, no need to wait */
- if ((rc == 0 || rc == -EOPNOTSUPP) && ata_port_offline(ap))
- return;
- }
-
- /* okay, let's give the drive time to spin up */
- end = ehc->i.hotplug_timestamp + ATA_SPINUP_WAIT * HZ / 1000;
- secs = ((end - jiffies) + HZ - 1) / HZ;
-
- if (time_after(jiffies, end))
- return;
-
- if (secs > 5)
- ata_port_printk(ap, KERN_INFO, "waiting for device to spin up "
- "(%lu secs)\n", secs);
-
- schedule_timeout_uninterruptible(end - jiffies);
+ return sata_phy_debounce(ap, params, deadline);
}
/**
* ata_std_prereset - prepare for reset
* @ap: ATA port to be reset
+ * @deadline: deadline jiffies for the operation
*
- * @ap is about to be reset. Initialize it.
+ * @ap is about to be reset. Initialize it. Failure from
+ * prereset makes libata abort whole reset sequence and give up
+ * that port, so prereset should be best-effort. It does its
+ * best to prepare for reset sequence but if things go wrong, it
+ * should just whine, not fail.
*
* LOCKING:
* Kernel thread context (may sleep)
* RETURNS:
* 0 on success, -errno otherwise.
*/
-int ata_std_prereset(struct ata_port *ap)
+int ata_std_prereset(struct ata_port *ap, unsigned long deadline)
{
struct ata_eh_context *ehc = &ap->eh_context;
const unsigned long *timing = sata_ehc_deb_timing(ehc);
int rc;
- /* handle link resume & hotplug spinup */
+ /* handle link resume */
if ((ehc->i.flags & ATA_EHI_RESUME_LINK) &&
(ap->flags & ATA_FLAG_HRST_TO_RESUME))
ehc->i.action |= ATA_EH_HARDRESET;
- if ((ehc->i.flags & ATA_EHI_HOTPLUGGED) &&
- (ap->flags & ATA_FLAG_SKIP_D2H_BSY))
- ata_wait_spinup(ap);
-
/* if we're about to do hardreset, nothing more to do */
if (ehc->i.action & ATA_EH_HARDRESET)
return 0;
/* if SATA, resume phy */
if (ap->cbl == ATA_CBL_SATA) {
- rc = sata_phy_resume(ap, timing);
- if (rc && rc != -EOPNOTSUPP) {
- /* phy resume failed */
+ rc = sata_phy_resume(ap, timing, deadline);
+ /* whine about phy resume failure but proceed */
+ if (rc && rc != -EOPNOTSUPP)
ata_port_printk(ap, KERN_WARNING, "failed to resume "
"link for reset (errno=%d)\n", rc);
- return rc;
- }
}
/* Wait for !BSY if the controller can wait for the first D2H
* Reg FIS and we don't know that no device is attached.
*/
- if (!(ap->flags & ATA_FLAG_SKIP_D2H_BSY) && !ata_port_offline(ap))
- ata_busy_sleep(ap, ATA_TMOUT_BOOT_QUICK, ATA_TMOUT_BOOT);
+ if (!(ap->flags & ATA_FLAG_SKIP_D2H_BSY) && !ata_port_offline(ap)) {
+ rc = ata_wait_ready(ap, deadline);
+ if (rc && rc != -ENODEV) {
+ ata_port_printk(ap, KERN_WARNING, "device not ready "
+ "(errno=%d), forcing hardreset\n", rc);
+ ehc->i.action |= ATA_EH_HARDRESET;
+ }
+ }
return 0;
}
* ata_std_softreset - reset host port via ATA SRST
* @ap: port to reset
* @classes: resulting classes of attached devices
+ * @deadline: deadline jiffies for the operation
*
* Reset host port using ATA SRST.
*
* RETURNS:
* 0 on success, -errno otherwise.
*/
-int ata_std_softreset(struct ata_port *ap, unsigned int *classes)
+int ata_std_softreset(struct ata_port *ap, unsigned int *classes,
+ unsigned long deadline)
{
unsigned int slave_possible = ap->flags & ATA_FLAG_SLAVE_POSS;
- unsigned int devmask = 0, err_mask;
+ unsigned int devmask = 0;
+ int rc;
u8 err;
DPRINTK("ENTER\n");
/* issue bus reset */
DPRINTK("about to softreset, devmask=%x\n", devmask);
- err_mask = ata_bus_softreset(ap, devmask);
- if (err_mask) {
- ata_port_printk(ap, KERN_ERR, "SRST failed (err_mask=0x%x)\n",
- err_mask);
- return -EIO;
+ rc = ata_bus_softreset(ap, devmask, deadline);
+ /* if link is occupied, -ENODEV too is an error */
+ if (rc && (rc != -ENODEV || sata_scr_valid(ap))) {
+ ata_port_printk(ap, KERN_ERR, "SRST failed (errno=%d)\n", rc);
+ return rc;
}
/* determine by signature whether we have ATA or ATAPI devices */
* sata_port_hardreset - reset port via SATA phy reset
* @ap: port to reset
* @timing: timing parameters { interval, duratinon, timeout } in msec
+ * @deadline: deadline jiffies for the operation
*
* SATA phy-reset host port using DET bits of SControl register.
*
* RETURNS:
* 0 on success, -errno otherwise.
*/
-int sata_port_hardreset(struct ata_port *ap, const unsigned long *timing)
+int sata_port_hardreset(struct ata_port *ap, const unsigned long *timing,
+ unsigned long deadline)
{
u32 scontrol;
int rc;
msleep(1);
/* bring phy back */
- rc = sata_phy_resume(ap, timing);
+ rc = sata_phy_resume(ap, timing, deadline);
out:
DPRINTK("EXIT, rc=%d\n", rc);
return rc;
* sata_std_hardreset - reset host port via SATA phy reset
* @ap: port to reset
* @class: resulting class of attached device
+ * @deadline: deadline jiffies for the operation
*
* SATA phy-reset host port using DET bits of SControl register,
* wait for !BSY and classify the attached device.
* RETURNS:
* 0 on success, -errno otherwise.
*/
-int sata_std_hardreset(struct ata_port *ap, unsigned int *class)
+int sata_std_hardreset(struct ata_port *ap, unsigned int *class,
+ unsigned long deadline)
{
const unsigned long *timing = sata_ehc_deb_timing(&ap->eh_context);
int rc;
DPRINTK("ENTER\n");
/* do hardreset */
- rc = sata_port_hardreset(ap, timing);
+ rc = sata_port_hardreset(ap, timing, deadline);
if (rc) {
ata_port_printk(ap, KERN_ERR,
"COMRESET failed (errno=%d)\n", rc);
/* wait a while before checking status, see SRST for more info */
msleep(150);
- if (ata_busy_sleep(ap, ATA_TMOUT_BOOT_QUICK, ATA_TMOUT_BOOT)) {
+ rc = ata_wait_ready(ap, deadline);
+ /* link occupied, -ENODEV too is an error */
+ if (rc) {
ata_port_printk(ap, KERN_ERR,
- "COMRESET failed (device not ready)\n");
- return -EIO;
+ "COMRESET failed (errno=%d)\n", rc);
+ return rc;
}
ap->ops->dev_select(ap, 0); /* probably unnecessary */
const u16 *old_id = dev->id;
unsigned char model[2][ATA_ID_PROD_LEN + 1];
unsigned char serial[2][ATA_ID_SERNO_LEN + 1];
- u64 new_n_sectors;
if (dev->class != new_class) {
ata_dev_printk(dev, KERN_INFO, "class mismatch %d != %d\n",
ata_id_c_string(new_id, model[1], ATA_ID_PROD, sizeof(model[1]));
ata_id_c_string(old_id, serial[0], ATA_ID_SERNO, sizeof(serial[0]));
ata_id_c_string(new_id, serial[1], ATA_ID_SERNO, sizeof(serial[1]));
- new_n_sectors = ata_id_n_sectors(new_id);
if (strcmp(model[0], model[1])) {
ata_dev_printk(dev, KERN_INFO, "model number mismatch "
return 0;
}
- if (dev->class == ATA_DEV_ATA && dev->n_sectors != new_n_sectors) {
- ata_dev_printk(dev, KERN_INFO, "n_sectors mismatch "
- "%llu != %llu\n",
- (unsigned long long)dev->n_sectors,
- (unsigned long long)new_n_sectors);
- return 0;
- }
-
return 1;
}
/**
- * ata_dev_revalidate - Revalidate ATA device
- * @dev: device to revalidate
+ * ata_dev_reread_id - Re-read IDENTIFY data
+ * @dev: target ATA device
* @readid_flags: read ID flags
*
* Re-read IDENTIFY page and make sure @dev is still attached to
* RETURNS:
* 0 on success, negative errno otherwise
*/
-int ata_dev_revalidate(struct ata_device *dev, unsigned int readid_flags)
+int ata_dev_reread_id(struct ata_device *dev, unsigned int readid_flags)
{
unsigned int class = dev->class;
u16 *id = (void *)dev->ap->sector_buf;
int rc;
- if (!ata_dev_enabled(dev)) {
- rc = -ENODEV;
- goto fail;
- }
-
/* read ID data */
rc = ata_dev_read_id(dev, &class, readid_flags, id);
if (rc)
- goto fail;
+ return rc;
/* is the device still there? */
- if (!ata_dev_same_device(dev, class, id)) {
- rc = -ENODEV;
- goto fail;
- }
+ if (!ata_dev_same_device(dev, class, id))
+ return -ENODEV;
memcpy(dev->id, id, sizeof(id[0]) * ATA_ID_WORDS);
+ return 0;
+}
+
+/**
+ * ata_dev_revalidate - Revalidate ATA device
+ * @dev: device to revalidate
+ * @readid_flags: read ID flags
+ *
+ * Re-read IDENTIFY page, make sure @dev is still attached to the
+ * port and reconfigure it according to the new IDENTIFY page.
+ *
+ * LOCKING:
+ * Kernel thread context (may sleep)
+ *
+ * RETURNS:
+ * 0 on success, negative errno otherwise
+ */
+int ata_dev_revalidate(struct ata_device *dev, unsigned int readid_flags)
+{
+ u64 n_sectors = dev->n_sectors;
+ int rc;
+
+ if (!ata_dev_enabled(dev))
+ return -ENODEV;
+
+ /* re-read ID */
+ rc = ata_dev_reread_id(dev, readid_flags);
+ if (rc)
+ goto fail;
/* configure device according to the new ID */
rc = ata_dev_configure(dev);
- if (rc == 0)
- return 0;
+ if (rc)
+ goto fail;
+
+ /* verify n_sectors hasn't changed */
+ if (dev->class == ATA_DEV_ATA && dev->n_sectors != n_sectors) {
+ ata_dev_printk(dev, KERN_INFO, "n_sectors mismatch "
+ "%llu != %llu\n",
+ (unsigned long long)n_sectors,
+ (unsigned long long)dev->n_sectors);
+ rc = -ENODEV;
+ goto fail;
+ }
+
+ return 0;
fail:
ata_dev_printk(dev, KERN_ERR, "revalidation failed (errno=%d)\n", rc);
{ "ATAPI CD-ROM DRIVE 40X MAXIMUM",NULL,ATA_HORKAGE_NODMA },
{ "_NEC DV5800A", NULL, ATA_HORKAGE_NODMA },
{ "SAMSUNG CD-ROM SN-124","N001", ATA_HORKAGE_NODMA },
+ { "Seagate STT20000A", NULL, ATA_HORKAGE_NODMA },
+ { "IOMEGA ZIP 250 ATAPI", NULL, ATA_HORKAGE_NODMA }, /* temporary fix */
/* Weird ATAPI devices */
- { "TORiSAN DVD-ROM DRD-N216", NULL, ATA_HORKAGE_MAX_SEC_128 |
- ATA_HORKAGE_DMA_RW_ONLY },
+ { "TORiSAN DVD-ROM DRD-N216", NULL, ATA_HORKAGE_MAX_SEC_128 },
/* Devices we expect to fail diagnostics */
{ "FUJITSU MHT2060BH", NULL, ATA_HORKAGE_NONCQ },
/* NCQ is broken */
{ "Maxtor 6L250S0", "BANC1G10", ATA_HORKAGE_NONCQ },
+ { "Maxtor 6B200M0", "BANC1B10", ATA_HORKAGE_NONCQ },
/* NCQ hard hangs device under heavier load, needs hard power cycle */
{ "Maxtor 6B250S0", "BANC1B70", ATA_HORKAGE_NONCQ },
/* Blacklist entries taken from Silicon Image 3124/3132
{ "HTS541060G9SA00", "MB3OC60D", ATA_HORKAGE_NONCQ, },
{ "HTS541080G9SA00", "MB4OC60D", ATA_HORKAGE_NONCQ, },
{ "HTS541010G9SA00", "MBZOC60D", ATA_HORKAGE_NONCQ, },
+ /* Drives which do spurious command completion */
+ { "HTS541680J9SA00", "SB2IC7EP", ATA_HORKAGE_NONCQ, },
+ { "HTS541612J9SA00", "SBDIC7JP", ATA_HORKAGE_NONCQ, },
+ { "Hitachi HTS541616J9SA00", "SB4OC70P", ATA_HORKAGE_NONCQ, },
+ { "WDC WD740ADFD-00NLR1", NULL, ATA_HORKAGE_NONCQ, },
/* Devices with NCQ limits */
/* set up set-features taskfile */
DPRINTK("set features - xfer mode\n");
+ /* Some controllers and ATAPI devices show flaky interrupt
+ * behavior after setting xfer mode. Use polling instead.
+ */
ata_tf_init(dev, &tf);
tf.command = ATA_CMD_SET_FEATURES;
tf.feature = SETFEATURES_XFER;
- tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE;
+ tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE | ATA_TFLAG_POLLING;
tf.protocol = ATA_PROT_NODATA;
tf.nsect = dev->xfer_mode;
if (idx)
ap->prd[idx - 1].flags_len |= cpu_to_le32(ATA_PRD_EOT);
}
+
/**
* ata_check_atapi_dma - Check whether ATAPI DMA can be supported
* @qc: Metadata associated with taskfile to check
int ata_check_atapi_dma(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
- int rc = 0; /* Assume ATAPI DMA is OK by default */
-
- /* some drives can only do ATAPI DMA on read/write */
- if (unlikely(qc->dev->horkage & ATA_HORKAGE_DMA_RW_ONLY)) {
- struct scsi_cmnd *cmd = qc->scsicmd;
- u8 *scsicmd = cmd->cmnd;
-
- switch (scsicmd[0]) {
- case READ_10:
- case WRITE_10:
- case READ_12:
- case WRITE_12:
- case READ_6:
- case WRITE_6:
- /* atapi dma maybe ok */
- break;
- default:
- /* turn off atapi dma */
- return 1;
- }
- }
+
+ /* Don't allow DMA if it isn't multiple of 16 bytes. Quite a
+ * few ATAPI devices choke on such DMA requests.
+ */
+ if (unlikely(qc->nbytes & 15))
+ return 1;
if (ap->ops->check_atapi_dma)
- rc = ap->ops->check_atapi_dma(qc);
+ return ap->ops->check_atapi_dma(qc);
- return rc;
+ return 0;
}
+
/**
* ata_qc_prep - Prepare taskfile for submission
* @qc: Metadata associated with taskfile to be prepared
} else
ata_qc_complete(qc);
}
-
- ata_altstatus(ap); /* flush */
}
/**
}
}
- /* Some controllers show flaky interrupt behavior after
- * setting xfer mode. Use polling instead.
- */
- if (unlikely(qc->tf.command == ATA_CMD_SET_FEATURES &&
- qc->tf.feature == SETFEATURES_XFER) &&
- (ap->flags & ATA_FLAG_SETXFER_POLLING))
- qc->tf.flags |= ATA_TFLAG_POLLING;
-
/* select the device */
ata_dev_select(ap, qc->dev->devno, 1, 0);
*/
int ata_host_suspend(struct ata_host *host, pm_message_t mesg)
{
- int i, j, rc;
+ int rc;
rc = ata_host_request_pm(host, mesg, 0, ATA_EHI_QUIET, 1);
- if (rc)
- goto fail;
-
- /* EH is quiescent now. Fail if we have any ready device.
- * This happens if hotplug occurs between completion of device
- * suspension and here.
- */
- for (i = 0; i < host->n_ports; i++) {
- struct ata_port *ap = host->ports[i];
-
- for (j = 0; j < ATA_MAX_DEVICES; j++) {
- struct ata_device *dev = &ap->device[j];
-
- if (ata_dev_ready(dev)) {
- ata_port_printk(ap, KERN_WARNING,
- "suspend failed, device %d "
- "still active\n", dev->devno);
- rc = -EBUSY;
- goto fail;
- }
- }
- }
-
- host->dev->power.power_state = mesg;
- return 0;
-
- fail:
- ata_host_resume(host);
+ if (rc == 0)
+ host->dev->power.power_state = mesg;
return rc;
}
if (!ap)
return NULL;
+ ap->pflags |= ATA_PFLAG_INITIALIZING;
ap->lock = &host->lock;
ap->flags = ATA_FLAG_DISABLED;
ap->print_id = -1;
/* init sata_spd_limit to the current value */
if (sata_scr_read(ap, SCR_CONTROL, &scontrol) == 0) {
int spd = (scontrol >> 4) & 0xf;
- ap->hw_sata_spd_limit &= (1 << spd) - 1;
+ if (spd)
+ ap->hw_sata_spd_limit &= (1 << spd) - 1;
}
ap->sata_spd_limit = ap->hw_sata_spd_limit;
ehi->action |= ATA_EH_SOFTRESET;
ehi->flags |= ATA_EHI_NO_AUTOPSY | ATA_EHI_QUIET;
+ ap->pflags &= ~ATA_PFLAG_INITIALIZING;
ap->pflags |= ATA_PFLAG_LOADING;
ata_port_schedule_eh(ap);
if (rc)
return rc;
+ /* Used to print device info at probe */
+ host->irq = irq;
+
rc = ata_host_register(host, sht);
/* if failed, just free the IRQ and leave ports alone */
if (rc)
}
/**
- * ata_device_add - Register hardware device with ATA and SCSI layers
- * @ent: Probe information describing hardware device to be registered
- *
- * This function processes the information provided in the probe
- * information struct @ent, allocates the necessary ATA and SCSI
- * host information structures, initializes them, and registers
- * everything with requisite kernel subsystems.
- *
- * This function requests irqs, probes the ATA bus, and probes
- * the SCSI bus.
- *
- * LOCKING:
- * PCI/etc. bus probe sem.
- *
- * RETURNS:
- * Number of ports registered. Zero on error (no ports registered).
- */
-int ata_device_add(const struct ata_probe_ent *ent)
-{
- unsigned int i;
- struct device *dev = ent->dev;
- struct ata_host *host;
- int rc;
-
- DPRINTK("ENTER\n");
-
- if (ent->irq == 0) {
- dev_printk(KERN_ERR, dev, "is not available: No interrupt assigned.\n");
- return 0;
- }
-
- if (!ent->port_ops->error_handler &&
- !(ent->port_flags & (ATA_FLAG_SATA_RESET | ATA_FLAG_SRST))) {
- dev_printk(KERN_ERR, dev, "no reset mechanism available\n");
- return 0;
- }
-
- if (!devres_open_group(dev, ata_device_add, GFP_KERNEL))
- return 0;
-
- /* allocate host */
- host = ata_host_alloc(dev, ent->n_ports);
-
- host->irq = ent->irq;
- host->irq2 = ent->irq2;
- host->iomap = ent->iomap;
- host->private_data = ent->private_data;
- host->ops = ent->port_ops;
- host->flags = ent->_host_flags;
-
- for (i = 0; i < host->n_ports; i++) {
- struct ata_port *ap = host->ports[i];
-
- /* dummy? */
- if (ent->dummy_port_mask & (1 << i)) {
- ap->ops = &ata_dummy_port_ops;
- continue;
- }
-
- if (ap->port_no == 1 && ent->pinfo2) {
- ap->pio_mask = ent->pinfo2->pio_mask;
- ap->mwdma_mask = ent->pinfo2->mwdma_mask;
- ap->udma_mask = ent->pinfo2->udma_mask;
- ap->flags |= ent->pinfo2->flags;
- ap->ops = ent->pinfo2->port_ops;
- } else {
- ap->pio_mask = ent->pio_mask;
- ap->mwdma_mask = ent->mwdma_mask;
- ap->udma_mask = ent->udma_mask;
- ap->flags |= ent->port_flags;
- ap->ops = ent->port_ops;
- }
-
- memcpy(&ap->ioaddr, &ent->port[ap->port_no],
- sizeof(struct ata_ioports));
- }
-
- /* start and freeze ports before requesting IRQ */
- rc = ata_host_start(host);
- if (rc)
- goto err_out;
-
- /* obtain irq, that may be shared between channels */
- rc = devm_request_irq(dev, ent->irq, ent->port_ops->irq_handler,
- ent->irq_flags, DRV_NAME, host);
- if (rc) {
- dev_printk(KERN_ERR, dev, "irq %lu request failed: %d\n",
- ent->irq, rc);
- goto err_out;
- }
-
- /* do we have a second IRQ for the other channel, eg legacy mode */
- if (ent->irq2) {
- /* We will get weird core code crashes later if this is true
- so trap it now */
- BUG_ON(ent->irq == ent->irq2);
-
- rc = devm_request_irq(dev, ent->irq2,
- ent->port_ops->irq_handler, ent->irq_flags,
- DRV_NAME, host);
- if (rc) {
- dev_printk(KERN_ERR, dev, "irq %lu request failed: %d\n",
- ent->irq2, rc);
- goto err_out;
- }
- }
-
- /* resource acquisition complete */
- devres_remove_group(dev, ata_device_add);
-
- /* register */
- rc = ata_host_register(host, ent->sht);
- if (rc)
- goto err_out;
-
- VPRINTK("EXIT, returning %u\n", host->n_ports);
- return host->n_ports; /* success */
-
- err_out:
- devres_release_group(dev, ata_device_add);
- VPRINTK("EXIT, returning 0\n");
- return 0;
-}
-
-/**
* ata_port_detach - Detach ATA port in prepration of device removal
* @ap: ATA port to be detached
*
/* Flush hotplug task. The sequence is similar to
* ata_port_flush_task().
*/
- flush_workqueue(ata_aux_wq);
+ cancel_work_sync(&ap->hotplug_task.work); /* akpm: why? */
cancel_delayed_work(&ap->hotplug_task);
- flush_workqueue(ata_aux_wq);
+ cancel_work_sync(&ap->hotplug_task.work);
skip_eh:
/* remove the associated SCSI host */
ata_port_detach(host->ports[i]);
}
-struct ata_probe_ent *
-ata_probe_ent_alloc(struct device *dev, const struct ata_port_info *port)
-{
- struct ata_probe_ent *probe_ent;
-
- probe_ent = devm_kzalloc(dev, sizeof(*probe_ent), GFP_KERNEL);
- if (!probe_ent) {
- printk(KERN_ERR DRV_NAME "(%s): out of memory\n",
- kobject_name(&(dev->kobj)));
- return NULL;
- }
-
- INIT_LIST_HEAD(&probe_ent->node);
- probe_ent->dev = dev;
-
- probe_ent->sht = port->sht;
- probe_ent->port_flags = port->flags;
- probe_ent->pio_mask = port->pio_mask;
- probe_ent->mwdma_mask = port->mwdma_mask;
- probe_ent->udma_mask = port->udma_mask;
- probe_ent->port_ops = port->port_ops;
- probe_ent->private_data = port->private_data;
-
- return probe_ent;
-}
-
/**
* ata_std_ports - initialize ioaddr with standard port offsets.
* @ioaddr: IO address structure to be initialized
.port_stop = ata_dummy_noret,
};
+const struct ata_port_info ata_dummy_port_info = {
+ .port_ops = &ata_dummy_port_ops,
+};
+
/*
* libata is essentially a library of internal helper functions for
* low-level ATA host controller drivers. As such, the API/ABI is
EXPORT_SYMBOL_GPL(sata_deb_timing_hotplug);
EXPORT_SYMBOL_GPL(sata_deb_timing_long);
EXPORT_SYMBOL_GPL(ata_dummy_port_ops);
+EXPORT_SYMBOL_GPL(ata_dummy_port_info);
EXPORT_SYMBOL_GPL(ata_std_bios_param);
EXPORT_SYMBOL_GPL(ata_std_ports);
EXPORT_SYMBOL_GPL(ata_host_init);
EXPORT_SYMBOL_GPL(ata_host_start);
EXPORT_SYMBOL_GPL(ata_host_register);
EXPORT_SYMBOL_GPL(ata_host_activate);
-EXPORT_SYMBOL_GPL(ata_device_add);
EXPORT_SYMBOL_GPL(ata_host_detach);
EXPORT_SYMBOL_GPL(ata_sg_init);
EXPORT_SYMBOL_GPL(ata_sg_init_one);
EXPORT_SYMBOL_GPL(ata_altstatus);
EXPORT_SYMBOL_GPL(ata_exec_command);
EXPORT_SYMBOL_GPL(ata_port_start);
+EXPORT_SYMBOL_GPL(ata_sff_port_start);
EXPORT_SYMBOL_GPL(ata_interrupt);
EXPORT_SYMBOL_GPL(ata_do_set_mode);
EXPORT_SYMBOL_GPL(ata_data_xfer);
EXPORT_SYMBOL_GPL(ata_ratelimit);
EXPORT_SYMBOL_GPL(ata_wait_register);
EXPORT_SYMBOL_GPL(ata_busy_sleep);
+EXPORT_SYMBOL_GPL(ata_wait_ready);
EXPORT_SYMBOL_GPL(ata_port_queue_task);
EXPORT_SYMBOL_GPL(ata_scsi_ioctl);
EXPORT_SYMBOL_GPL(ata_scsi_queuecmd);
#ifdef CONFIG_PCI
EXPORT_SYMBOL_GPL(pci_test_config_bits);
-EXPORT_SYMBOL_GPL(ata_pci_init_native_mode);
EXPORT_SYMBOL_GPL(ata_pci_init_native_host);
+EXPORT_SYMBOL_GPL(ata_pci_init_bmdma);
+EXPORT_SYMBOL_GPL(ata_pci_prepare_native_host);
EXPORT_SYMBOL_GPL(ata_pci_init_one);
EXPORT_SYMBOL_GPL(ata_pci_remove_one);
#ifdef CONFIG_PM
EXPORT_SYMBOL_GPL(ata_pci_clear_simplex);
#endif /* CONFIG_PCI */
-#ifdef CONFIG_PM
-EXPORT_SYMBOL_GPL(ata_scsi_device_suspend);
-EXPORT_SYMBOL_GPL(ata_scsi_device_resume);
-#endif /* CONFIG_PM */
-
EXPORT_SYMBOL_GPL(ata_eng_timeout);
EXPORT_SYMBOL_GPL(ata_port_schedule_eh);
EXPORT_SYMBOL_GPL(ata_port_abort);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff