#include <asm/uaccess.h>
#include <asm/io.h>
-/*
- * IDE library routines. These are plug in code that most
- * drivers can use but occasionally may be weird enough
- * to want to do their own thing with
- *
- * Add common non I/O op stuff here. Make sure it has proper
- * kernel-doc function headers or your patch will be rejected
- */
-
static const char *udma_str[] =
{ "UDMA/16", "UDMA/25", "UDMA/33", "UDMA/44",
"UDMA/66", "UDMA/100", "UDMA/133", "UDMA7" };
mode = XFER_PIO_4;
}
-// printk("%s: mode 0x%02x, speed 0x%02x\n", __FUNCTION__, mode, speed);
+/* printk("%s: mode 0x%02x, speed 0x%02x\n", __func__, mode, speed); */
return min(speed, mode);
}
const char *name;
int pio;
} ide_pio_blacklist [] = {
-/* { "Conner Peripherals 1275MB - CFS1275A", 4 }, */
{ "Conner Peripherals 540MB - CFS540A", 3 },
{ "WDC AC2700", 3 },
{ "WDC AC1170", 1 },
{ "WDC AC1210", 1 },
{ "WDC AC280", 0 },
-/* { "WDC AC21000", 4 }, */
{ "WDC AC31000", 3 },
{ "WDC AC31200", 3 },
-/* { "WDC AC31600", 4 }, */
{ "Maxtor 7131 AT", 1 },
{ "Maxtor 7171 AT", 1 },
{ "SAMSUNG SHD-3122A", 1 },
{ "SAMSUNG SHD-3172A", 1 },
-/* { "ST51080A", 4 },
- * { "ST51270A", 4 },
- * { "ST31220A", 4 },
- * { "ST31640A", 4 },
- * { "ST32140A", 4 },
- * { "ST3780A", 4 },
- */
{ "ST5660A", 3 },
{ "ST3660A", 3 },
{ "ST3630A", 3 },
if (overridden)
printk(KERN_INFO "%s: tPIO > 2, assuming tPIO = 2\n",
drive->name);
-
- /*
- * Conservative "downgrade" for all pre-ATA2 drives
- */
- if ((drive->hwif->host_flags & IDE_HFLAG_PIO_NO_DOWNGRADE) == 0 &&
- pio_mode && pio_mode < 4) {
- pio_mode--;
- printk(KERN_INFO "%s: applying conservative "
- "PIO \"downgrade\"\n", drive->name);
- }
}
if (pio_mode > max_mode)
void ide_set_pio(ide_drive_t *drive, u8 req_pio)
{
ide_hwif_t *hwif = drive->hwif;
+ const struct ide_port_ops *port_ops = hwif->port_ops;
u8 host_pio, pio;
- if (hwif->set_pio_mode == NULL)
+ if (port_ops == NULL || port_ops->set_pio_mode == NULL ||
+ (hwif->host_flags & IDE_HFLAG_NO_SET_MODE))
return;
BUG_ON(hwif->pio_mask == 0x00);
if (!PCI_DMA_BUS_IS_PHYS) {
addr = BLK_BOUNCE_ANY;
} else if (on && drive->media == ide_disk) {
- if (HWIF(drive)->pci_dev)
- addr = HWIF(drive)->pci_dev->dma_mask;
+ struct device *dev = drive->hwif->dev;
+
+ if (dev && dev->dma_mask)
+ addr = *dev->dma_mask;
}
if (drive->queue)
int ide_set_pio_mode(ide_drive_t *drive, const u8 mode)
{
ide_hwif_t *hwif = drive->hwif;
+ const struct ide_port_ops *port_ops = hwif->port_ops;
- if (hwif->set_pio_mode == NULL)
+ if (hwif->host_flags & IDE_HFLAG_NO_SET_MODE)
+ return 0;
+
+ if (port_ops == NULL || port_ops->set_pio_mode == NULL)
return -1;
/*
* TODO: temporary hack for some legacy host drivers that didn't
* set transfer mode on the device in ->set_pio_mode method...
*/
- if (hwif->set_dma_mode == NULL) {
- hwif->set_pio_mode(drive, mode - XFER_PIO_0);
+ if (port_ops->set_dma_mode == NULL) {
+ port_ops->set_pio_mode(drive, mode - XFER_PIO_0);
return 0;
}
if (hwif->host_flags & IDE_HFLAG_POST_SET_MODE) {
if (ide_config_drive_speed(drive, mode))
return -1;
- hwif->set_pio_mode(drive, mode - XFER_PIO_0);
+ port_ops->set_pio_mode(drive, mode - XFER_PIO_0);
return 0;
} else {
- hwif->set_pio_mode(drive, mode - XFER_PIO_0);
+ port_ops->set_pio_mode(drive, mode - XFER_PIO_0);
return ide_config_drive_speed(drive, mode);
}
}
int ide_set_dma_mode(ide_drive_t *drive, const u8 mode)
{
ide_hwif_t *hwif = drive->hwif;
+ const struct ide_port_ops *port_ops = hwif->port_ops;
+
+ if (hwif->host_flags & IDE_HFLAG_NO_SET_MODE)
+ return 0;
- if (hwif->set_dma_mode == NULL)
+ if (port_ops == NULL || port_ops->set_dma_mode == NULL)
return -1;
if (hwif->host_flags & IDE_HFLAG_POST_SET_MODE) {
if (ide_config_drive_speed(drive, mode))
return -1;
- hwif->set_dma_mode(drive, mode);
+ port_ops->set_dma_mode(drive, mode);
return 0;
} else {
- hwif->set_dma_mode(drive, mode);
+ port_ops->set_dma_mode(drive, mode);
return ide_config_drive_speed(drive, mode);
}
}
int ide_set_xfer_rate(ide_drive_t *drive, u8 rate)
{
ide_hwif_t *hwif = drive->hwif;
+ const struct ide_port_ops *port_ops = hwif->port_ops;
- if (hwif->set_dma_mode == NULL)
+ if (port_ops == NULL || port_ops->set_dma_mode == NULL ||
+ (hwif->host_flags & IDE_HFLAG_NO_SET_MODE))
return -1;
rate = ide_rate_filter(drive, rate);
* case could happen iff the transfer mode has already been set on
* the device by ide-proc.c::set_xfer_rate()).
*/
+ if (rate < XFER_PIO_0) {
+ if (hwif->host_flags & IDE_HFLAG_ABUSE_SET_DMA_MODE)
+ return ide_set_dma_mode(drive, rate);
+ else
+ return ide_config_drive_speed(drive, rate);
+ }
return ide_set_dma_mode(drive, rate);
}
static void ide_dump_opcode(ide_drive_t *drive)
{
struct request *rq;
- u8 opcode = 0;
- int found = 0;
+ ide_task_t *task = NULL;
spin_lock(&ide_lock);
rq = NULL;
spin_unlock(&ide_lock);
if (!rq)
return;
- if (rq->cmd_type == REQ_TYPE_ATA_CMD) {
- char *args = rq->buffer;
- if (args) {
- opcode = args[0];
- found = 1;
- }
- } else if (rq->cmd_type == REQ_TYPE_ATA_TASKFILE) {
- ide_task_t *args = rq->special;
- if (args) {
- opcode = args->tf.command;
- found = 1;
- }
- }
+
+ if (rq->cmd_type == REQ_TYPE_ATA_TASKFILE)
+ task = rq->special;
printk("ide: failed opcode was: ");
- if (!found)
- printk("unknown\n");
+ if (task == NULL)
+ printk(KERN_CONT "unknown\n");
else
- printk("0x%02x\n", opcode);
+ printk(KERN_CONT "0x%02x\n", task->tf.command);
}
u64 ide_get_lba_addr(struct ide_taskfile *tf, int lba48)
tf->device & 0xf, tf->lbal);
}
-static u8 ide_dump_ata_status(ide_drive_t *drive, const char *msg, u8 stat)
+static void ide_dump_ata_error(ide_drive_t *drive, u8 err)
{
- ide_hwif_t *hwif = HWIF(drive);
- unsigned long flags;
- u8 err = 0;
-
- local_irq_save(flags);
- printk("%s: %s: status=0x%02x { ", drive->name, msg, stat);
- if (stat & BUSY_STAT)
- printk("Busy ");
- else {
- if (stat & READY_STAT) printk("DriveReady ");
- if (stat & WRERR_STAT) printk("DeviceFault ");
- if (stat & SEEK_STAT) printk("SeekComplete ");
- if (stat & DRQ_STAT) printk("DataRequest ");
- if (stat & ECC_STAT) printk("CorrectedError ");
- if (stat & INDEX_STAT) printk("Index ");
- if (stat & ERR_STAT) printk("Error ");
+ printk("{ ");
+ if (err & ABRT_ERR) printk("DriveStatusError ");
+ if (err & ICRC_ERR)
+ printk((err & ABRT_ERR) ? "BadCRC " : "BadSector ");
+ if (err & ECC_ERR) printk("UncorrectableError ");
+ if (err & ID_ERR) printk("SectorIdNotFound ");
+ if (err & TRK0_ERR) printk("TrackZeroNotFound ");
+ if (err & MARK_ERR) printk("AddrMarkNotFound ");
+ printk("}");
+ if ((err & (BBD_ERR | ABRT_ERR)) == BBD_ERR ||
+ (err & (ECC_ERR|ID_ERR|MARK_ERR))) {
+ ide_dump_sector(drive);
+ if (HWGROUP(drive) && HWGROUP(drive)->rq)
+ printk(", sector=%llu",
+ (unsigned long long)HWGROUP(drive)->rq->sector);
}
+ printk("\n");
+}
+
+static void ide_dump_atapi_error(ide_drive_t *drive, u8 err)
+{
+ printk("{ ");
+ if (err & ILI_ERR) printk("IllegalLengthIndication ");
+ if (err & EOM_ERR) printk("EndOfMedia ");
+ if (err & ABRT_ERR) printk("AbortedCommand ");
+ if (err & MCR_ERR) printk("MediaChangeRequested ");
+ if (err & LFS_ERR) printk("LastFailedSense=0x%02x ",
+ (err & LFS_ERR) >> 4);
printk("}\n");
- if ((stat & (BUSY_STAT|ERR_STAT)) == ERR_STAT) {
- err = hwif->INB(IDE_ERROR_REG);
- printk("%s: %s: error=0x%02x { ", drive->name, msg, err);
- if (err & ABRT_ERR) printk("DriveStatusError ");
- if (err & ICRC_ERR)
- printk((err & ABRT_ERR) ? "BadCRC " : "BadSector ");
- if (err & ECC_ERR) printk("UncorrectableError ");
- if (err & ID_ERR) printk("SectorIdNotFound ");
- if (err & TRK0_ERR) printk("TrackZeroNotFound ");
- if (err & MARK_ERR) printk("AddrMarkNotFound ");
- printk("}");
- if ((err & (BBD_ERR | ABRT_ERR)) == BBD_ERR ||
- (err & (ECC_ERR|ID_ERR|MARK_ERR))) {
- ide_dump_sector(drive);
- if (HWGROUP(drive) && HWGROUP(drive)->rq)
- printk(", sector=%llu",
- (unsigned long long)HWGROUP(drive)->rq->sector);
- }
- printk("\n");
- }
- ide_dump_opcode(drive);
- local_irq_restore(flags);
- return err;
}
/**
- * ide_dump_atapi_status - print human readable atapi status
+ * ide_dump_status - translate ATA/ATAPI error
* @drive: drive that status applies to
* @msg: text message to print
* @stat: status byte to decode
*
* Error reporting, in human readable form (luxurious, but a memory hog).
+ * Combines the drive name, message and status byte to provide a
+ * user understandable explanation of the device error.
*/
-static u8 ide_dump_atapi_status(ide_drive_t *drive, const char *msg, u8 stat)
+u8 ide_dump_status(ide_drive_t *drive, const char *msg, u8 stat)
{
unsigned long flags;
u8 err = 0;
}
printk("}\n");
if ((stat & (BUSY_STAT|ERR_STAT)) == ERR_STAT) {
- err = drive->hwif->INB(IDE_ERROR_REG);
- printk("%s: %s: error=0x%02x { ", drive->name, msg, err);
- if (err & ILI_ERR) printk("IllegalLengthIndication ");
- if (err & EOM_ERR) printk("EndOfMedia ");
- if (err & ABRT_ERR) printk("AbortedCommand ");
- if (err & MCR_ERR) printk("MediaChangeRequested ");
- if (err & LFS_ERR) printk("LastFailedSense=0x%02x ",
- (err & LFS_ERR) >> 4);
- printk("}\n");
+ err = ide_read_error(drive);
+ printk("%s: %s: error=0x%02x ", drive->name, msg, err);
+ if (drive->media == ide_disk)
+ ide_dump_ata_error(drive, err);
+ else
+ ide_dump_atapi_error(drive, err);
}
ide_dump_opcode(drive);
local_irq_restore(flags);
return err;
}
-/**
- * ide_dump_status - translate ATA/ATAPI error
- * @drive: drive the error occured on
- * @msg: information string
- * @stat: status byte
- *
- * Error reporting, in human readable form (luxurious, but a memory hog).
- * Combines the drive name, message and status byte to provide a
- * user understandable explanation of the device error.
- */
-
-u8 ide_dump_status(ide_drive_t *drive, const char *msg, u8 stat)
-{
- if (drive->media == ide_disk)
- return ide_dump_ata_status(drive, msg, stat);
- return ide_dump_atapi_status(drive, msg, stat);
-}
-
EXPORT_SYMBOL(ide_dump_status);