* Hardware documentation available from http://www.t13.org/ and
* http://www.sata-io.org/
*
+ * Standards documents from:
+ * http://www.t13.org (ATA standards, PCI DMA IDE spec)
+ * http://www.t10.org (SCSI MMC - for ATAPI MMC)
+ * http://www.sata-io.org (SATA)
+ * http://www.compactflash.org (CF)
+ * http://www.qic.org (QIC157 - Tape and DSC)
+ * http://www.ce-ata.org (CE-ATA: not supported)
+ *
*/
#include <linux/kernel.h>
#include <linux/libata.h>
#include <asm/semaphore.h>
#include <asm/byteorder.h>
+#include <linux/cdrom.h>
#include "libata.h"
module_param_named(noacpi, libata_noacpi, int, 0444);
MODULE_PARM_DESC(noacpi, "Disables the use of ACPI in probe/suspend/resume when set");
+int libata_allow_tpm = 0;
+module_param_named(allow_tpm, libata_allow_tpm, int, 0444);
+MODULE_PARM_DESC(allow_tpm, "Permit the use of TPM commands");
+
MODULE_AUTHOR("Jeff Garzik");
MODULE_DESCRIPTION("Library module for ATA devices");
MODULE_LICENSE("GPL");
* RETURNS:
* Packed xfer_mask.
*/
-static unsigned int ata_pack_xfermask(unsigned int pio_mask,
- unsigned int mwdma_mask,
- unsigned int udma_mask)
+unsigned long ata_pack_xfermask(unsigned long pio_mask,
+ unsigned long mwdma_mask,
+ unsigned long udma_mask)
{
return ((pio_mask << ATA_SHIFT_PIO) & ATA_MASK_PIO) |
((mwdma_mask << ATA_SHIFT_MWDMA) & ATA_MASK_MWDMA) |
* Unpack @xfer_mask into @pio_mask, @mwdma_mask and @udma_mask.
* Any NULL distination masks will be ignored.
*/
-static void ata_unpack_xfermask(unsigned int xfer_mask,
- unsigned int *pio_mask,
- unsigned int *mwdma_mask,
- unsigned int *udma_mask)
+void ata_unpack_xfermask(unsigned long xfer_mask, unsigned long *pio_mask,
+ unsigned long *mwdma_mask, unsigned long *udma_mask)
{
if (pio_mask)
*pio_mask = (xfer_mask & ATA_MASK_PIO) >> ATA_SHIFT_PIO;
int shift, bits;
u8 base;
} ata_xfer_tbl[] = {
- { ATA_SHIFT_PIO, ATA_BITS_PIO, XFER_PIO_0 },
- { ATA_SHIFT_MWDMA, ATA_BITS_MWDMA, XFER_MW_DMA_0 },
- { ATA_SHIFT_UDMA, ATA_BITS_UDMA, XFER_UDMA_0 },
+ { ATA_SHIFT_PIO, ATA_NR_PIO_MODES, XFER_PIO_0 },
+ { ATA_SHIFT_MWDMA, ATA_NR_MWDMA_MODES, XFER_MW_DMA_0 },
+ { ATA_SHIFT_UDMA, ATA_NR_UDMA_MODES, XFER_UDMA_0 },
{ -1, },
};
* None.
*
* RETURNS:
- * Matching XFER_* value, 0 if no match found.
+ * Matching XFER_* value, 0xff if no match found.
*/
-static u8 ata_xfer_mask2mode(unsigned int xfer_mask)
+u8 ata_xfer_mask2mode(unsigned long xfer_mask)
{
int highbit = fls(xfer_mask) - 1;
const struct ata_xfer_ent *ent;
for (ent = ata_xfer_tbl; ent->shift >= 0; ent++)
if (highbit >= ent->shift && highbit < ent->shift + ent->bits)
return ent->base + highbit - ent->shift;
- return 0;
+ return 0xff;
}
/**
* RETURNS:
* Matching xfer_mask, 0 if no match found.
*/
-static unsigned int ata_xfer_mode2mask(u8 xfer_mode)
+unsigned long ata_xfer_mode2mask(u8 xfer_mode)
{
const struct ata_xfer_ent *ent;
for (ent = ata_xfer_tbl; ent->shift >= 0; ent++)
if (xfer_mode >= ent->base && xfer_mode < ent->base + ent->bits)
- return 1 << (ent->shift + xfer_mode - ent->base);
+ return ((2 << (ent->shift + xfer_mode - ent->base)) - 1)
+ & ~((1 << ent->shift) - 1);
return 0;
}
* RETURNS:
* Matching xfer_shift, -1 if no match found.
*/
-static int ata_xfer_mode2shift(unsigned int xfer_mode)
+int ata_xfer_mode2shift(unsigned long xfer_mode)
{
const struct ata_xfer_ent *ent;
* Constant C string representing highest speed listed in
* @mode_mask, or the constant C string "<n/a>".
*/
-static const char *ata_mode_string(unsigned int xfer_mask)
+const char *ata_mode_string(unsigned long xfer_mask)
{
static const char * const xfer_mode_str[] = {
"PIO0",
if (ata_dev_enabled(dev)) {
if (ata_msg_drv(dev->link->ap))
ata_dev_printk(dev, KERN_WARNING, "disabled\n");
+ ata_acpi_on_disable(dev);
ata_down_xfermask_limit(dev, ATA_DNXFER_FORCE_PIO0 |
ATA_DNXFER_QUIET);
dev->class++;
return 0;
}
-/**
- * ata_id_to_dma_mode - Identify DMA mode from id block
- * @dev: device to identify
- * @unknown: mode to assume if we cannot tell
- *
- * Set up the timing values for the device based upon the identify
- * reported values for the DMA mode. This function is used by drivers
- * which rely upon firmware configured modes, but wish to report the
- * mode correctly when possible.
- *
- * In addition we emit similarly formatted messages to the default
- * ata_dev_set_mode handler, in order to provide consistency of
- * presentation.
- */
-
-void ata_id_to_dma_mode(struct ata_device *dev, u8 unknown)
-{
- unsigned int mask;
- u8 mode;
-
- /* Pack the DMA modes */
- mask = ((dev->id[63] >> 8) << ATA_SHIFT_MWDMA) & ATA_MASK_MWDMA;
- if (dev->id[53] & 0x04)
- mask |= ((dev->id[88] >> 8) << ATA_SHIFT_UDMA) & ATA_MASK_UDMA;
-
- /* Select the mode in use */
- mode = ata_xfer_mask2mode(mask);
-
- if (mode != 0) {
- ata_dev_printk(dev, KERN_INFO, "configured for %s\n",
- ata_mode_string(mask));
- } else {
- /* SWDMA perhaps ? */
- mode = unknown;
- ata_dev_printk(dev, KERN_INFO, "configured for DMA\n");
- }
-
- /* Configure the device reporting */
- dev->xfer_mode = mode;
- dev->xfer_shift = ata_xfer_mode2shift(mode);
-}
-
/**
* ata_noop_dev_select - Select device 0/1 on ATA bus
* @ap: ATA channel to manipulate
* RETURNS:
* Computed xfermask
*/
-static unsigned int ata_id_xfermask(const u16 *id)
+unsigned long ata_id_xfermask(const u16 *id)
{
- unsigned int pio_mask, mwdma_mask, udma_mask;
+ unsigned long pio_mask, mwdma_mask, udma_mask;
/* Usual case. Word 53 indicates word 64 is valid */
if (id[ATA_ID_FIELD_VALID] & (1 << 1)) {
struct ata_eh_context *ehc = &dev->link->eh_context;
int print_info = ehc->i.flags & ATA_EHI_PRINTINFO;
const u16 *id = dev->id;
- unsigned int xfer_mask;
+ unsigned long xfer_mask;
char revbuf[7]; /* XYZ-99\0 */
char fwrevbuf[ATA_ID_FW_REV_LEN+1];
char modelbuf[ATA_ID_PROD_LEN+1];
"supports DRM functions and may "
"not be fully accessable.\n");
snprintf(revbuf, 7, "CFA");
- } else
+ } else {
snprintf(revbuf, 7, "ATA-%d", ata_id_major_version(id));
+ /* Warn the user if the device has TPM extensions */
+ if (ata_id_has_tpm(id))
+ ata_dev_printk(dev, KERN_WARNING,
+ "supports DRM functions and may "
+ "not be fully accessable.\n");
+ }
dev->n_sectors = ata_id_n_sectors(id);
}
if ((dev->class == ATA_DEV_ATAPI) &&
- (atapi_command_packet_set(id) == TYPE_TAPE))
+ (atapi_command_packet_set(id) == TYPE_TAPE)) {
dev->max_sectors = ATA_MAX_SECTORS_TAPE;
+ dev->horkage |= ATA_HORKAGE_STUCK_ERR;
+ }
if (dev->horkage & ATA_HORKAGE_MAX_SEC_128)
dev->max_sectors = min_t(unsigned int, ATA_MAX_SECTORS_128,
return ATA_CBL_PATA_UNK;
}
+/**
+ * ata_cable_ignore - return ignored PATA cable.
+ * @ap: port
+ *
+ * Helper method for drivers which don't use cable type to limit
+ * transfer mode.
+ */
+int ata_cable_ignore(struct ata_port *ap)
+{
+ return ATA_CBL_PATA_IGN;
+}
+
/**
* ata_cable_sata - return SATA cable type
* @ap: port
}
}
-/**
- * __sata_phy_reset - Wake/reset a low-level SATA PHY
- * @ap: SATA port associated with target SATA PHY.
- *
- * This function issues commands to standard SATA Sxxx
- * PHY registers, to wake up the phy (and device), and
- * clear any reset condition.
- *
- * LOCKING:
- * PCI/etc. bus probe sem.
- *
- */
-void __sata_phy_reset(struct ata_port *ap)
-{
- struct ata_link *link = &ap->link;
- unsigned long timeout = jiffies + (HZ * 5);
- u32 sstatus;
-
- if (ap->flags & ATA_FLAG_SATA_RESET) {
- /* issue phy wake/reset */
- sata_scr_write_flush(link, SCR_CONTROL, 0x301);
- /* Couldn't find anything in SATA I/II specs, but
- * AHCI-1.1 10.4.2 says at least 1 ms. */
- mdelay(1);
- }
- /* phy wake/clear reset */
- sata_scr_write_flush(link, SCR_CONTROL, 0x300);
-
- /* wait for phy to become ready, if necessary */
- do {
- msleep(200);
- sata_scr_read(link, SCR_STATUS, &sstatus);
- if ((sstatus & 0xf) != 1)
- break;
- } while (time_before(jiffies, timeout));
-
- /* print link status */
- sata_print_link_status(link);
-
- /* TODO: phy layer with polling, timeouts, etc. */
- if (!ata_link_offline(link))
- ata_port_probe(ap);
- else
- ata_port_disable(ap);
-
- if (ap->flags & ATA_FLAG_DISABLED)
- return;
-
- if (ata_busy_sleep(ap, ATA_TMOUT_BOOT_QUICK, ATA_TMOUT_BOOT)) {
- ata_port_disable(ap);
- return;
- }
-
- ap->cbl = ATA_CBL_SATA;
-}
-
-/**
- * sata_phy_reset - Reset SATA bus.
- * @ap: SATA port associated with target SATA PHY.
- *
- * This function resets the SATA bus, and then probes
- * the bus for devices.
- *
- * LOCKING:
- * PCI/etc. bus probe sem.
- *
- */
-void sata_phy_reset(struct ata_port *ap)
-{
- __sata_phy_reset(ap);
- if (ap->flags & ATA_FLAG_DISABLED)
- return;
- ata_bus_reset(ap);
-}
-
/**
* ata_dev_pair - return other device on cable
* @adev: device
*/
static const struct ata_timing ata_timing[] = {
+/* { XFER_PIO_SLOW, 120, 290, 240, 960, 290, 240, 960, 0 }, */
+ { XFER_PIO_0, 70, 290, 240, 600, 165, 150, 600, 0 },
+ { XFER_PIO_1, 50, 290, 93, 383, 125, 100, 383, 0 },
+ { XFER_PIO_2, 30, 290, 40, 330, 100, 90, 240, 0 },
+ { XFER_PIO_3, 30, 80, 70, 180, 80, 70, 180, 0 },
+ { XFER_PIO_4, 25, 70, 25, 120, 70, 25, 120, 0 },
+ { XFER_PIO_5, 15, 65, 25, 100, 65, 25, 100, 0 },
+ { XFER_PIO_6, 10, 55, 20, 80, 55, 20, 80, 0 },
- { XFER_UDMA_6, 0, 0, 0, 0, 0, 0, 0, 15 },
- { XFER_UDMA_5, 0, 0, 0, 0, 0, 0, 0, 20 },
- { XFER_UDMA_4, 0, 0, 0, 0, 0, 0, 0, 30 },
- { XFER_UDMA_3, 0, 0, 0, 0, 0, 0, 0, 45 },
+ { XFER_SW_DMA_0, 120, 0, 0, 0, 480, 480, 960, 0 },
+ { XFER_SW_DMA_1, 90, 0, 0, 0, 240, 240, 480, 0 },
+ { XFER_SW_DMA_2, 60, 0, 0, 0, 120, 120, 240, 0 },
- { XFER_MW_DMA_4, 25, 0, 0, 0, 55, 20, 80, 0 },
+ { XFER_MW_DMA_0, 60, 0, 0, 0, 215, 215, 480, 0 },
+ { XFER_MW_DMA_1, 45, 0, 0, 0, 80, 50, 150, 0 },
+ { XFER_MW_DMA_2, 25, 0, 0, 0, 70, 25, 120, 0 },
{ XFER_MW_DMA_3, 25, 0, 0, 0, 65, 25, 100, 0 },
- { XFER_UDMA_2, 0, 0, 0, 0, 0, 0, 0, 60 },
- { XFER_UDMA_1, 0, 0, 0, 0, 0, 0, 0, 80 },
- { XFER_UDMA_0, 0, 0, 0, 0, 0, 0, 0, 120 },
+ { XFER_MW_DMA_4, 25, 0, 0, 0, 55, 20, 80, 0 },
/* { XFER_UDMA_SLOW, 0, 0, 0, 0, 0, 0, 0, 150 }, */
-
- { XFER_MW_DMA_2, 25, 0, 0, 0, 70, 25, 120, 0 },
- { XFER_MW_DMA_1, 45, 0, 0, 0, 80, 50, 150, 0 },
- { XFER_MW_DMA_0, 60, 0, 0, 0, 215, 215, 480, 0 },
-
- { XFER_SW_DMA_2, 60, 0, 0, 0, 120, 120, 240, 0 },
- { XFER_SW_DMA_1, 90, 0, 0, 0, 240, 240, 480, 0 },
- { XFER_SW_DMA_0, 120, 0, 0, 0, 480, 480, 960, 0 },
-
- { XFER_PIO_6, 10, 55, 20, 80, 55, 20, 80, 0 },
- { XFER_PIO_5, 15, 65, 25, 100, 65, 25, 100, 0 },
- { XFER_PIO_4, 25, 70, 25, 120, 70, 25, 120, 0 },
- { XFER_PIO_3, 30, 80, 70, 180, 80, 70, 180, 0 },
-
- { XFER_PIO_2, 30, 290, 40, 330, 100, 90, 240, 0 },
- { XFER_PIO_1, 50, 290, 93, 383, 125, 100, 383, 0 },
- { XFER_PIO_0, 70, 290, 240, 600, 165, 150, 600, 0 },
-
-/* { XFER_PIO_SLOW, 120, 290, 240, 960, 290, 240, 960, 0 }, */
+ { XFER_UDMA_0, 0, 0, 0, 0, 0, 0, 0, 120 },
+ { XFER_UDMA_1, 0, 0, 0, 0, 0, 0, 0, 80 },
+ { XFER_UDMA_2, 0, 0, 0, 0, 0, 0, 0, 60 },
+ { XFER_UDMA_3, 0, 0, 0, 0, 0, 0, 0, 45 },
+ { XFER_UDMA_4, 0, 0, 0, 0, 0, 0, 0, 30 },
+ { XFER_UDMA_5, 0, 0, 0, 0, 0, 0, 0, 20 },
+ { XFER_UDMA_6, 0, 0, 0, 0, 0, 0, 0, 15 },
{ 0xFF }
};
if (what & ATA_TIMING_UDMA ) m->udma = max(a->udma, b->udma);
}
-static const struct ata_timing *ata_timing_find_mode(unsigned short speed)
+const struct ata_timing *ata_timing_find_mode(u8 xfer_mode)
{
- const struct ata_timing *t;
+ const struct ata_timing *t = ata_timing;
- for (t = ata_timing; t->mode != speed; t++)
- if (t->mode == 0xFF)
- return NULL;
- return t;
+ while (xfer_mode > t->mode)
+ t++;
+
+ if (xfer_mode == t->mode)
+ return t;
+ return NULL;
}
int ata_timing_compute(struct ata_device *adev, unsigned short speed,
return 0;
}
+/**
+ * ata_timing_cycle2mode - find xfer mode for the specified cycle duration
+ * @xfer_shift: ATA_SHIFT_* value for transfer type to examine.
+ * @cycle: cycle duration in ns
+ *
+ * Return matching xfer mode for @cycle. The returned mode is of
+ * the transfer type specified by @xfer_shift. If @cycle is too
+ * slow for @xfer_shift, 0xff is returned. If @cycle is faster
+ * than the fastest known mode, the fasted mode is returned.
+ *
+ * LOCKING:
+ * None.
+ *
+ * RETURNS:
+ * Matching xfer_mode, 0xff if no match found.
+ */
+u8 ata_timing_cycle2mode(unsigned int xfer_shift, int cycle)
+{
+ u8 base_mode = 0xff, last_mode = 0xff;
+ const struct ata_xfer_ent *ent;
+ const struct ata_timing *t;
+
+ for (ent = ata_xfer_tbl; ent->shift >= 0; ent++)
+ if (ent->shift == xfer_shift)
+ base_mode = ent->base;
+
+ for (t = ata_timing_find_mode(base_mode);
+ t && ata_xfer_mode2shift(t->mode) == xfer_shift; t++) {
+ unsigned short this_cycle;
+
+ switch (xfer_shift) {
+ case ATA_SHIFT_PIO:
+ case ATA_SHIFT_MWDMA:
+ this_cycle = t->cycle;
+ break;
+ case ATA_SHIFT_UDMA:
+ this_cycle = t->udma;
+ break;
+ default:
+ return 0xff;
+ }
+
+ if (cycle > this_cycle)
+ break;
+
+ last_mode = t->mode;
+ }
+
+ return last_mode;
+}
+
/**
* ata_down_xfermask_limit - adjust dev xfer masks downward
* @dev: Device to adjust xfer masks
int ata_down_xfermask_limit(struct ata_device *dev, unsigned int sel)
{
char buf[32];
- unsigned int orig_mask, xfer_mask;
- unsigned int pio_mask, mwdma_mask, udma_mask;
+ unsigned long orig_mask, xfer_mask;
+ unsigned long pio_mask, mwdma_mask, udma_mask;
int quiet, highbit;
quiet = !!(sel & ATA_DNXFER_QUIET);
/* step 1: calculate xfer_mask */
ata_link_for_each_dev(dev, link) {
- unsigned int pio_mask, dma_mask;
+ unsigned long pio_mask, dma_mask;
unsigned int mode_mask;
if (!ata_dev_enabled(dev))
dev->dma_mode = ata_xfer_mask2mode(dma_mask);
found = 1;
- if (dev->dma_mode)
+ if (dev->dma_mode != 0xff)
used_dma = 1;
}
if (!found)
if (!ata_dev_enabled(dev))
continue;
- if (!dev->pio_mode) {
+ if (dev->pio_mode == 0xff) {
ata_dev_printk(dev, KERN_WARNING, "no PIO support\n");
rc = -EINVAL;
goto out;
/* step 3: set host DMA timings */
ata_link_for_each_dev(dev, link) {
- if (!ata_dev_enabled(dev) || !dev->dma_mode)
+ if (!ata_dev_enabled(dev) || dev->dma_mode == 0xff)
continue;
dev->xfer_mode = dev->dma_mode;
return rc;
}
-/**
- * ata_set_mode - Program timings and issue SET FEATURES - XFER
- * @link: link on which timings will be programmed
- * @r_failed_dev: out paramter for failed device
- *
- * Set ATA device disk transfer mode (PIO3, UDMA6, etc.). If
- * ata_set_mode() fails, pointer to the failing device is
- * returned in @r_failed_dev.
- *
- * LOCKING:
- * PCI/etc. bus probe sem.
- *
- * RETURNS:
- * 0 on success, negative errno otherwise
- */
-int ata_set_mode(struct ata_link *link, struct ata_device **r_failed_dev)
-{
- struct ata_port *ap = link->ap;
-
- /* has private set_mode? */
- if (ap->ops->set_mode)
- return ap->ops->set_mode(link, r_failed_dev);
- return ata_do_set_mode(link, r_failed_dev);
-}
-
/**
* ata_tf_to_host - issue ATA taskfile to host controller
* @ap: port to which command is being issued
/* clear SError */
if (sata_scr_read(link, SCR_ERROR, &serror) == 0)
sata_scr_write(link, SCR_ERROR, serror);
+ link->eh_info.serror = 0;
/* is double-select really necessary? */
if (classes[0] != ATA_DEV_NONE)
/* Devices where NCQ should be avoided */
/* NCQ is slow */
{ "WDC WD740ADFD-00", NULL, ATA_HORKAGE_NONCQ },
+ { "WDC WD740ADFD-00NLR1", NULL, ATA_HORKAGE_NONCQ, },
/* http://thread.gmane.org/gmane.linux.ide/14907 */
{ "FUJITSU MHT2060BH", NULL, ATA_HORKAGE_NONCQ },
/* NCQ is broken */
{ "HITACHI HDS7250SASUN500G*", NULL, ATA_HORKAGE_NONCQ },
{ "HITACHI HDS7225SBSUN250G*", NULL, ATA_HORKAGE_NONCQ },
{ "ST380817AS", "3.42", ATA_HORKAGE_NONCQ },
+ { "ST3160023AS", "3.42", ATA_HORKAGE_NONCQ },
/* Blacklist entries taken from Silicon Image 3124/3132
Windows driver .inf file - also several Linux problem reports */
{ "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, },
- { "HDT722516DLA380", "V43OA96A", ATA_HORKAGE_NONCQ, },
- { "Hitachi HTS541616J9SA00", "SB4OC70P", ATA_HORKAGE_NONCQ, },
- { "Hitachi HTS542525K9SA00", "BBFOC31P", ATA_HORKAGE_NONCQ, },
- { "WDC WD740ADFD-00NLR1", NULL, ATA_HORKAGE_NONCQ, },
- { "WDC WD3200AAJS-00RYA0", "12.01B01", ATA_HORKAGE_NONCQ, },
- { "FUJITSU MHV2080BH", "00840028", ATA_HORKAGE_NONCQ, },
- { "ST9120822AS", "3.CLF", ATA_HORKAGE_NONCQ, },
- { "ST9160821AS", "3.CLF", ATA_HORKAGE_NONCQ, },
- { "ST9160821AS", "3.ALD", ATA_HORKAGE_NONCQ, },
- { "ST9160821AS", "3.CCD", ATA_HORKAGE_NONCQ, },
- { "ST3160812AS", "3.ADJ", ATA_HORKAGE_NONCQ, },
- { "ST980813AS", "3.ADB", ATA_HORKAGE_NONCQ, },
- { "SAMSUNG HD401LJ", "ZZ100-15", ATA_HORKAGE_NONCQ, },
- { "Maxtor 7V300F0", "VA111900", ATA_HORKAGE_NONCQ, },
/* devices which puke on READ_NATIVE_MAX */
{ "HDS724040KLSA80", "KFAOA20N", ATA_HORKAGE_BROKEN_HPA, },
/* Devices which get the IVB wrong */
{ "QUANTUM FIREBALLlct10 05", "A03.0900", ATA_HORKAGE_IVB, },
{ "TSSTcorp CDDVDW SH-S202J", "SB00", ATA_HORKAGE_IVB, },
+ { "TSSTcorp CDDVDW SH-S202J", "SB01", ATA_HORKAGE_IVB, },
+ { "TSSTcorp CDDVDW SH-S202N", "SB00", ATA_HORKAGE_IVB, },
+ { "TSSTcorp CDDVDW SH-S202N", "SB01", ATA_HORKAGE_IVB, },
/* End Marker */
{ }
tf.feature = SETFEATURES_XFER;
tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE | ATA_TFLAG_POLLING;
tf.protocol = ATA_PROT_NODATA;
- tf.nsect = dev->xfer_mode;
+ /* If we are using IORDY we must send the mode setting command */
+ if (ata_pio_need_iordy(dev))
+ tf.nsect = dev->xfer_mode;
+ /* If the device has IORDY and the controller does not - turn it off */
+ else if (ata_id_has_iordy(dev->id))
+ tf.nsect = 0x01;
+ else /* In the ancient relic department - skip all of this */
+ return 0;
err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, 0);
int dir = qc->dma_dir;
void *pad_buf = NULL;
- WARN_ON(!(qc->flags & ATA_QCFLAG_DMAMAP));
WARN_ON(sg == NULL);
- if (qc->flags & ATA_QCFLAG_SINGLE)
- WARN_ON(qc->n_elem > 1);
-
VPRINTK("unmapping %u sg elements\n", qc->n_elem);
/* if we padded the buffer out to 32-bit bound, and data
if (qc->pad_len && !(qc->tf.flags & ATA_TFLAG_WRITE))
pad_buf = ap->pad + (qc->tag * ATA_DMA_PAD_SZ);
- if (qc->flags & ATA_QCFLAG_SG) {
- if (qc->n_elem)
- dma_unmap_sg(ap->dev, sg, qc->n_elem, dir);
- /* restore last sg */
- sg_last(sg, qc->orig_n_elem)->length += qc->pad_len;
- if (pad_buf) {
- struct scatterlist *psg = &qc->pad_sgent;
- void *addr = kmap_atomic(sg_page(psg), KM_IRQ0);
- memcpy(addr + psg->offset, pad_buf, qc->pad_len);
- kunmap_atomic(addr, KM_IRQ0);
- }
- } else {
- if (qc->n_elem)
- dma_unmap_single(ap->dev,
- sg_dma_address(&sg[0]), sg_dma_len(&sg[0]),
- dir);
- /* restore sg */
- sg->length += qc->pad_len;
- if (pad_buf)
- memcpy(qc->buf_virt + sg->length - qc->pad_len,
- pad_buf, qc->pad_len);
+ if (qc->n_elem)
+ dma_unmap_sg(ap->dev, sg, qc->n_elem, dir);
+ /* restore last sg */
+ sg_last(sg, qc->orig_n_elem)->length += qc->pad_len;
+ if (pad_buf) {
+ struct scatterlist *psg = &qc->pad_sgent;
+ void *addr = kmap_atomic(sg_page(psg), KM_IRQ0);
+ memcpy(addr + psg->offset, pad_buf, qc->pad_len);
+ kunmap_atomic(addr, KM_IRQ0);
}
qc->flags &= ~ATA_QCFLAG_DMAMAP;
return 0;
}
+/**
+ * atapi_qc_may_overflow - Check whether data transfer may overflow
+ * @qc: ATA command in question
+ *
+ * ATAPI commands which transfer variable length data to host
+ * might overflow due to application error or hardare bug. This
+ * function checks whether overflow should be drained and ignored
+ * for @qc.
+ *
+ * LOCKING:
+ * None.
+ *
+ * RETURNS:
+ * 1 if @qc may overflow; otherwise, 0.
+ */
+static int atapi_qc_may_overflow(struct ata_queued_cmd *qc)
+{
+ if (qc->tf.protocol != ATAPI_PROT_PIO &&
+ qc->tf.protocol != ATAPI_PROT_DMA)
+ return 0;
+
+ if (qc->tf.flags & ATA_TFLAG_WRITE)
+ return 0;
+
+ switch (qc->cdb[0]) {
+ case READ_10:
+ case READ_12:
+ case WRITE_10:
+ case WRITE_12:
+ case GPCMD_READ_CD:
+ case GPCMD_READ_CD_MSF:
+ return 0;
+ }
+
+ return 1;
+}
+
/**
* ata_std_qc_defer - Check whether a qc needs to be deferred
* @qc: ATA command in question
void ata_noop_qc_prep(struct ata_queued_cmd *qc) { }
-/**
- * ata_sg_init_one - Associate command with memory buffer
- * @qc: Command to be associated
- * @buf: Memory buffer
- * @buflen: Length of memory buffer, in bytes.
- *
- * Initialize the data-related elements of queued_cmd @qc
- * to point to a single memory buffer, @buf of byte length @buflen.
- *
- * LOCKING:
- * spin_lock_irqsave(host lock)
- */
-
-void ata_sg_init_one(struct ata_queued_cmd *qc, void *buf, unsigned int buflen)
-{
- qc->flags |= ATA_QCFLAG_SINGLE;
-
- qc->__sg = &qc->sgent;
- qc->n_elem = 1;
- qc->orig_n_elem = 1;
- qc->buf_virt = buf;
- qc->nbytes = buflen;
- qc->cursg = qc->__sg;
-
- sg_init_one(&qc->sgent, buf, buflen);
-}
-
/**
* ata_sg_init - Associate command with scatter-gather table.
* @qc: Command to be associated
* LOCKING:
* spin_lock_irqsave(host lock)
*/
-
void ata_sg_init(struct ata_queued_cmd *qc, struct scatterlist *sg,
unsigned int n_elem)
{
- qc->flags |= ATA_QCFLAG_SG;
qc->__sg = sg;
qc->n_elem = n_elem;
qc->orig_n_elem = n_elem;
qc->cursg = qc->__sg;
}
-/**
- * ata_sg_setup_one - DMA-map the memory buffer associated with a command.
- * @qc: Command with memory buffer to be mapped.
- *
- * DMA-map the memory buffer associated with queued_cmd @qc.
- *
- * LOCKING:
- * spin_lock_irqsave(host lock)
- *
- * RETURNS:
- * Zero on success, negative on error.
- */
-
-static int ata_sg_setup_one(struct ata_queued_cmd *qc)
-{
- struct ata_port *ap = qc->ap;
- int dir = qc->dma_dir;
- struct scatterlist *sg = qc->__sg;
- dma_addr_t dma_address;
- int trim_sg = 0;
-
- /* we must lengthen transfers to end on a 32-bit boundary */
- qc->pad_len = sg->length & 3;
- if (qc->pad_len) {
- void *pad_buf = ap->pad + (qc->tag * ATA_DMA_PAD_SZ);
- struct scatterlist *psg = &qc->pad_sgent;
-
- WARN_ON(qc->dev->class != ATA_DEV_ATAPI);
-
- memset(pad_buf, 0, ATA_DMA_PAD_SZ);
-
- if (qc->tf.flags & ATA_TFLAG_WRITE)
- memcpy(pad_buf, qc->buf_virt + sg->length - qc->pad_len,
- qc->pad_len);
-
- sg_dma_address(psg) = ap->pad_dma + (qc->tag * ATA_DMA_PAD_SZ);
- sg_dma_len(psg) = ATA_DMA_PAD_SZ;
- /* trim sg */
- sg->length -= qc->pad_len;
- if (sg->length == 0)
- trim_sg = 1;
-
- DPRINTK("padding done, sg->length=%u pad_len=%u\n",
- sg->length, qc->pad_len);
- }
-
- if (trim_sg) {
- qc->n_elem--;
- goto skip_map;
- }
-
- dma_address = dma_map_single(ap->dev, qc->buf_virt,
- sg->length, dir);
- if (dma_mapping_error(dma_address)) {
- /* restore sg */
- sg->length += qc->pad_len;
- return -1;
- }
-
- sg_dma_address(sg) = dma_address;
- sg_dma_len(sg) = sg->length;
-
-skip_map:
- DPRINTK("mapped buffer of %d bytes for %s\n", sg_dma_len(sg),
- qc->tf.flags & ATA_TFLAG_WRITE ? "write" : "read");
-
- return 0;
-}
-
/**
* ata_sg_setup - DMA-map the scatter-gather table associated with a command.
* @qc: Command with scatter-gather table to be mapped.
int n_elem, pre_n_elem, dir, trim_sg = 0;
VPRINTK("ENTER, ata%u\n", ap->print_id);
- WARN_ON(!(qc->flags & ATA_QCFLAG_SG));
/* we must lengthen transfers to end on a 32-bit boundary */
qc->pad_len = lsg->length & 3;
skip_map:
qc->n_elem = n_elem;
+ qc->flags |= ATA_QCFLAG_DMAMAP;
return 0;
}
/**
* ata_data_xfer - Transfer data by PIO
- * @adev: device to target
+ * @dev: device to target
* @buf: data buffer
* @buflen: buffer length
* @write_data: read/write
*
* LOCKING:
* Inherited from caller.
+ *
+ * RETURNS:
+ * Bytes consumed.
*/
-void ata_data_xfer(struct ata_device *adev, unsigned char *buf,
- unsigned int buflen, int write_data)
+unsigned int ata_data_xfer(struct ata_device *dev, unsigned char *buf,
+ unsigned int buflen, int rw)
{
- struct ata_port *ap = adev->link->ap;
+ struct ata_port *ap = dev->link->ap;
+ void __iomem *data_addr = ap->ioaddr.data_addr;
unsigned int words = buflen >> 1;
/* Transfer multiple of 2 bytes */
- if (write_data)
- iowrite16_rep(ap->ioaddr.data_addr, buf, words);
+ if (rw == READ)
+ ioread16_rep(data_addr, buf, words);
else
- ioread16_rep(ap->ioaddr.data_addr, buf, words);
+ iowrite16_rep(data_addr, buf, words);
/* Transfer trailing 1 byte, if any. */
if (unlikely(buflen & 0x01)) {
u16 align_buf[1] = { 0 };
unsigned char *trailing_buf = buf + buflen - 1;
- if (write_data) {
- memcpy(align_buf, trailing_buf, 1);
- iowrite16(le16_to_cpu(align_buf[0]), ap->ioaddr.data_addr);
- } else {
- align_buf[0] = cpu_to_le16(ioread16(ap->ioaddr.data_addr));
+ if (rw == READ) {
+ align_buf[0] = cpu_to_le16(ioread16(data_addr));
memcpy(trailing_buf, align_buf, 1);
+ } else {
+ memcpy(align_buf, trailing_buf, 1);
+ iowrite16(le16_to_cpu(align_buf[0]), data_addr);
}
+ words++;
}
+
+ return words << 1;
}
/**
* ata_data_xfer_noirq - Transfer data by PIO
- * @adev: device to target
+ * @dev: device to target
* @buf: data buffer
* @buflen: buffer length
* @write_data: read/write
*
* LOCKING:
* Inherited from caller.
+ *
+ * RETURNS:
+ * Bytes consumed.
*/
-void ata_data_xfer_noirq(struct ata_device *adev, unsigned char *buf,
- unsigned int buflen, int write_data)
+unsigned int ata_data_xfer_noirq(struct ata_device *dev, unsigned char *buf,
+ unsigned int buflen, int rw)
{
unsigned long flags;
+ unsigned int consumed;
+
local_irq_save(flags);
- ata_data_xfer(adev, buf, buflen, write_data);
+ consumed = ata_data_xfer(dev, buf, buflen, rw);
local_irq_restore(flags);
+
+ return consumed;
}
ata_altstatus(ap); /* flush */
switch (qc->tf.protocol) {
- case ATA_PROT_ATAPI:
+ case ATAPI_PROT_PIO:
ap->hsm_task_state = HSM_ST;
break;
- case ATA_PROT_ATAPI_NODATA:
+ case ATAPI_PROT_NODATA:
ap->hsm_task_state = HSM_ST_LAST;
break;
- case ATA_PROT_ATAPI_DMA:
+ case ATAPI_PROT_DMA:
ap->hsm_task_state = HSM_ST_LAST;
/* initiate bmdma */
ap->ops->bmdma_start(qc);
* Inherited from caller.
*
*/
-
-static void __atapi_pio_bytes(struct ata_queued_cmd *qc, unsigned int bytes)
+static int __atapi_pio_bytes(struct ata_queued_cmd *qc, unsigned int bytes)
{
int do_write = (qc->tf.flags & ATA_TFLAG_WRITE);
- struct scatterlist *sg = qc->__sg;
- struct scatterlist *lsg = sg_last(qc->__sg, qc->n_elem);
struct ata_port *ap = qc->ap;
+ struct ata_eh_info *ehi = &qc->dev->link->eh_info;
+ struct scatterlist *sg;
struct page *page;
unsigned char *buf;
unsigned int offset, count;
- int no_more_sg = 0;
-
- if (qc->curbytes + bytes >= qc->nbytes)
- ap->hsm_task_state = HSM_ST_LAST;
next_sg:
- if (unlikely(no_more_sg)) {
+ sg = qc->cursg;
+ if (unlikely(!sg)) {
/*
* The end of qc->sg is reached and the device expects
* more data to transfer. In order not to overrun qc->sg
* - for write case, padding zero data to the device
*/
u16 pad_buf[1] = { 0 };
- unsigned int words = bytes >> 1;
unsigned int i;
- if (words) /* warning if bytes > 1 */
- ata_dev_printk(qc->dev, KERN_WARNING,
- "%u bytes trailing data\n", bytes);
+ if (bytes > qc->curbytes - qc->nbytes + ATAPI_MAX_DRAIN) {
+ ata_ehi_push_desc(ehi, "too much trailing data "
+ "buf=%u cur=%u bytes=%u",
+ qc->nbytes, qc->curbytes, bytes);
+ return -1;
+ }
+
+ /* overflow is exptected for misc ATAPI commands */
+ if (bytes && !atapi_qc_may_overflow(qc))
+ ata_dev_printk(qc->dev, KERN_WARNING, "ATAPI %u bytes "
+ "trailing data (cdb=%02x nbytes=%u)\n",
+ bytes, qc->cdb[0], qc->nbytes);
- for (i = 0; i < words; i++)
+ for (i = 0; i < (bytes + 1) / 2; i++)
ap->ops->data_xfer(qc->dev, (unsigned char *)pad_buf, 2, do_write);
- ap->hsm_task_state = HSM_ST_LAST;
- return;
- }
+ qc->curbytes += bytes;
- sg = qc->cursg;
+ return 0;
+ }
page = sg_page(sg);
offset = sg->offset + qc->cursg_ofs;
}
bytes -= count;
+ if ((count & 1) && bytes)
+ bytes--;
qc->curbytes += count;
qc->cursg_ofs += count;
if (qc->cursg_ofs == sg->length) {
- if (qc->cursg == lsg)
- no_more_sg = 1;
-
qc->cursg = sg_next(qc->cursg);
qc->cursg_ofs = 0;
}
if (bytes)
goto next_sg;
+
+ return 0;
}
/**
bytes = (bc_hi << 8) | bc_lo;
/* shall be cleared to zero, indicating xfer of data */
- if (ireason & (1 << 0))
+ if (unlikely(ireason & (1 << 0)))
goto err_out;
/* make sure transfer direction matches expected */
i_write = ((ireason & (1 << 1)) == 0) ? 1 : 0;
- if (do_write != i_write)
+ if (unlikely(do_write != i_write))
+ goto err_out;
+
+ if (unlikely(!bytes))
goto err_out;
VPRINTK("ata%u: xfering %d bytes\n", ap->print_id, bytes);
- __atapi_pio_bytes(qc, bytes);
+ if (__atapi_pio_bytes(qc, bytes))
+ goto err_out;
ata_altstatus(ap); /* flush */
return;
(qc->tf.flags & ATA_TFLAG_WRITE))
return 1;
- if (is_atapi_taskfile(&qc->tf) &&
+ if (ata_is_atapi(qc->tf.protocol) &&
!(qc->dev->flags & ATA_DFLAG_CDB_INTR))
return 1;
}
* let the EH abort the command or reset the device.
*/
if (unlikely(status & (ATA_ERR | ATA_DF))) {
- ata_port_printk(ap, KERN_WARNING, "DRQ=1 with device "
- "error, dev_stat 0x%X\n", status);
- qc->err_mask |= AC_ERR_HSM;
- ap->hsm_task_state = HSM_ST_ERR;
- goto fsm_start;
+ /* Some ATAPI tape drives forget to clear the ERR bit
+ * when doing the next command (mostly request sense).
+ * We ignore ERR here to workaround and proceed sending
+ * the CDB.
+ */
+ if (!(qc->dev->horkage & ATA_HORKAGE_STUCK_ERR)) {
+ ata_port_printk(ap, KERN_WARNING,
+ "DRQ=1 with device error, "
+ "dev_stat 0x%X\n", status);
+ qc->err_mask |= AC_ERR_HSM;
+ ap->hsm_task_state = HSM_ST_ERR;
+ goto fsm_start;
+ }
}
/* Send the CDB (atapi) or the first data block (ata pio out).
case HSM_ST:
/* complete command or read/write the data register */
- if (qc->tf.protocol == ATA_PROT_ATAPI) {
+ if (qc->tf.protocol == ATAPI_PROT_PIO) {
/* ATAPI PIO protocol */
if ((status & ATA_DRQ) == 0) {
/* No more data to transfer or device error.
ap->ops->tf_read(ap, &qc->result_tf);
}
+static void ata_verify_xfer(struct ata_queued_cmd *qc)
+{
+ struct ata_device *dev = qc->dev;
+
+ if (ata_tag_internal(qc->tag))
+ return;
+
+ if (ata_is_nodata(qc->tf.protocol))
+ return;
+
+ if ((dev->mwdma_mask || dev->udma_mask) && ata_is_pio(qc->tf.protocol))
+ return;
+
+ dev->flags &= ~ATA_DFLAG_DUBIOUS_XFER;
+}
+
/**
* ata_qc_complete - Complete an active ATA command
* @qc: Command to complete
break;
}
+ if (unlikely(dev->flags & ATA_DFLAG_DUBIOUS_XFER))
+ ata_verify_xfer(qc);
+
__ata_qc_complete(qc);
} else {
if (qc->flags & ATA_QCFLAG_EH_SCHEDULED)
return nr_done;
}
-static inline int ata_should_dma_map(struct ata_queued_cmd *qc)
-{
- struct ata_port *ap = qc->ap;
-
- switch (qc->tf.protocol) {
- case ATA_PROT_NCQ:
- case ATA_PROT_DMA:
- case ATA_PROT_ATAPI_DMA:
- return 1;
-
- case ATA_PROT_ATAPI:
- case ATA_PROT_PIO:
- if (ap->flags & ATA_FLAG_PIO_DMA)
- return 1;
-
- /* fall through */
-
- default:
- return 0;
- }
-
- /* never reached */
-}
-
/**
* ata_qc_issue - issue taskfile to device
* @qc: command to issue to device
{
struct ata_port *ap = qc->ap;
struct ata_link *link = qc->dev->link;
+ u8 prot = qc->tf.protocol;
/* Make sure only one non-NCQ command is outstanding. The
* check is skipped for old EH because it reuses active qc to
*/
WARN_ON(ap->ops->error_handler && ata_tag_valid(link->active_tag));
- if (qc->tf.protocol == ATA_PROT_NCQ) {
+ if (ata_is_ncq(prot)) {
WARN_ON(link->sactive & (1 << qc->tag));
if (!link->sactive)
qc->flags |= ATA_QCFLAG_ACTIVE;
ap->qc_active |= 1 << qc->tag;
- if (ata_should_dma_map(qc)) {
- if (qc->flags & ATA_QCFLAG_SG) {
- if (ata_sg_setup(qc))
- goto sg_err;
- } else if (qc->flags & ATA_QCFLAG_SINGLE) {
- if (ata_sg_setup_one(qc))
- goto sg_err;
- }
- } else {
- qc->flags &= ~ATA_QCFLAG_DMAMAP;
- }
+ /* We guarantee to LLDs that they will have at least one
+ * non-zero sg if the command is a data command.
+ */
+ BUG_ON(ata_is_data(prot) && (!qc->__sg || !qc->n_elem || !qc->nbytes));
+
+ if (ata_is_dma(prot) || (ata_is_pio(prot) &&
+ (ap->flags & ATA_FLAG_PIO_DMA)))
+ if (ata_sg_setup(qc))
+ goto sg_err;
/* if device is sleeping, schedule softreset and abort the link */
if (unlikely(qc->dev->flags & ATA_DFLAG_SLEEPING)) {
return;
sg_err:
- qc->flags &= ~ATA_QCFLAG_DMAMAP;
qc->err_mask |= AC_ERR_SYSTEM;
err:
ata_qc_complete(qc);
switch (qc->tf.protocol) {
case ATA_PROT_PIO:
case ATA_PROT_NODATA:
- case ATA_PROT_ATAPI:
- case ATA_PROT_ATAPI_NODATA:
+ case ATAPI_PROT_PIO:
+ case ATAPI_PROT_NODATA:
qc->tf.flags |= ATA_TFLAG_POLLING;
break;
- case ATA_PROT_ATAPI_DMA:
+ case ATAPI_PROT_DMA:
if (qc->dev->flags & ATA_DFLAG_CDB_INTR)
/* see ata_dma_blacklisted() */
BUG();
break;
- case ATA_PROT_ATAPI:
- case ATA_PROT_ATAPI_NODATA:
+ case ATAPI_PROT_PIO:
+ case ATAPI_PROT_NODATA:
if (qc->tf.flags & ATA_TFLAG_POLLING)
ata_qc_set_polling(qc);
ata_port_queue_task(ap, ata_pio_task, qc, 0);
break;
- case ATA_PROT_ATAPI_DMA:
+ case ATAPI_PROT_DMA:
WARN_ON(qc->tf.flags & ATA_TFLAG_POLLING);
ap->ops->tf_load(ap, &qc->tf); /* load tf registers */
*/
/* Check the ATA_DFLAG_CDB_INTR flag is enough here.
- * The flag was turned on only for atapi devices.
- * No need to check is_atapi_taskfile(&qc->tf) again.
+ * The flag was turned on only for atapi devices. No
+ * need to check ata_is_atapi(qc->tf.protocol) again.
*/
if (!(qc->dev->flags & ATA_DFLAG_CDB_INTR))
goto idle_irq;
break;
case HSM_ST_LAST:
if (qc->tf.protocol == ATA_PROT_DMA ||
- qc->tf.protocol == ATA_PROT_ATAPI_DMA) {
+ qc->tf.protocol == ATAPI_PROT_DMA) {
/* check status of DMA engine */
host_stat = ap->ops->bmdma_status(ap);
VPRINTK("ata%u: host_stat 0x%X\n",
ata_hsm_move(ap, qc, status, 0);
if (unlikely(qc->err_mask) && (qc->tf.protocol == ATA_PROT_DMA ||
- qc->tf.protocol == ATA_PROT_ATAPI_DMA))
+ qc->tf.protocol == ATAPI_PROT_DMA))
ata_ehi_push_desc(ehi, "BMDMA stat 0x%x", host_stat);
return 1; /* irq handled */
if (ap->ops->port_start) {
rc = ap->ops->port_start(ap);
if (rc) {
- ata_port_printk(ap, KERN_ERR, "failed to "
- "start port (errno=%d)\n", rc);
+ if (rc != -ENODEV)
+ dev_printk(KERN_ERR, host->dev,
+ "failed to start port %d "
+ "(errno=%d)\n", i, rc);
goto err_out;
}
}
-
ata_eh_freeze_port(ap);
}
ata_port_wait_eh(ap);
- /* EH is now guaranteed to see UNLOADING, so no new device
- * will be attached. Disable all existing devices.
+ /* EH is now guaranteed to see UNLOADING - EH context belongs
+ * to us. Disable all existing devices.
*/
- spin_lock_irqsave(ap->lock, flags);
-
ata_port_for_each_link(link, ap) {
ata_link_for_each_dev(dev, link)
ata_dev_disable(dev);
}
- spin_unlock_irqrestore(ap->lock, flags);
-
/* Final freeze & EH. All in-flight commands are aborted. EH
* will be skipped and retrials will be terminated with bad
* target.
for (i = 0; i < host->n_ports; i++)
ata_port_detach(host->ports[i]);
+
+ /* the host is dead now, dissociate ACPI */
+ ata_acpi_dissociate(host);
}
/**
EXPORT_SYMBOL_GPL(ata_host_activate);
EXPORT_SYMBOL_GPL(ata_host_detach);
EXPORT_SYMBOL_GPL(ata_sg_init);
-EXPORT_SYMBOL_GPL(ata_sg_init_one);
EXPORT_SYMBOL_GPL(ata_hsm_move);
EXPORT_SYMBOL_GPL(ata_qc_complete);
EXPORT_SYMBOL_GPL(ata_qc_complete_multiple);
EXPORT_SYMBOL_GPL(sata_print_link_status);
EXPORT_SYMBOL_GPL(ata_tf_to_fis);
EXPORT_SYMBOL_GPL(ata_tf_from_fis);
+EXPORT_SYMBOL_GPL(ata_pack_xfermask);
+EXPORT_SYMBOL_GPL(ata_unpack_xfermask);
+EXPORT_SYMBOL_GPL(ata_xfer_mask2mode);
+EXPORT_SYMBOL_GPL(ata_xfer_mode2mask);
+EXPORT_SYMBOL_GPL(ata_xfer_mode2shift);
+EXPORT_SYMBOL_GPL(ata_mode_string);
+EXPORT_SYMBOL_GPL(ata_id_xfermask);
EXPORT_SYMBOL_GPL(ata_check_status);
EXPORT_SYMBOL_GPL(ata_altstatus);
EXPORT_SYMBOL_GPL(ata_exec_command);
EXPORT_SYMBOL_GPL(sata_set_spd);
EXPORT_SYMBOL_GPL(sata_link_debounce);
EXPORT_SYMBOL_GPL(sata_link_resume);
-EXPORT_SYMBOL_GPL(sata_phy_reset);
-EXPORT_SYMBOL_GPL(__sata_phy_reset);
EXPORT_SYMBOL_GPL(ata_bus_reset);
EXPORT_SYMBOL_GPL(ata_std_prereset);
EXPORT_SYMBOL_GPL(ata_std_softreset);
#endif /* CONFIG_PM */
EXPORT_SYMBOL_GPL(ata_id_string);
EXPORT_SYMBOL_GPL(ata_id_c_string);
-EXPORT_SYMBOL_GPL(ata_id_to_dma_mode);
EXPORT_SYMBOL_GPL(ata_scsi_simulate);
EXPORT_SYMBOL_GPL(ata_pio_need_iordy);
+EXPORT_SYMBOL_GPL(ata_timing_find_mode);
EXPORT_SYMBOL_GPL(ata_timing_compute);
EXPORT_SYMBOL_GPL(ata_timing_merge);
+EXPORT_SYMBOL_GPL(ata_timing_cycle2mode);
#ifdef CONFIG_PCI
EXPORT_SYMBOL_GPL(pci_test_config_bits);
#ifdef CONFIG_PCI
EXPORT_SYMBOL_GPL(ata_port_pbar_desc);
#endif /* CONFIG_PCI */
-EXPORT_SYMBOL_GPL(ata_eng_timeout);
EXPORT_SYMBOL_GPL(ata_port_schedule_eh);
EXPORT_SYMBOL_GPL(ata_link_abort);
EXPORT_SYMBOL_GPL(ata_port_abort);
EXPORT_SYMBOL_GPL(ata_cable_40wire);
EXPORT_SYMBOL_GPL(ata_cable_80wire);
EXPORT_SYMBOL_GPL(ata_cable_unknown);
+EXPORT_SYMBOL_GPL(ata_cable_ignore);
EXPORT_SYMBOL_GPL(ata_cable_sata);
git.openpandora.org / pandora-kernel.git / blobdiff