-#include <linux/config.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/string.h>
#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" };
+static const char *mwdma_str[] =
+ { "MWDMA0", "MWDMA1", "MWDMA2" };
+static const char *swdma_str[] =
+ { "SWDMA0", "SWDMA1", "SWDMA2" };
+static const char *pio_str[] =
+ { "PIO0", "PIO1", "PIO2", "PIO3", "PIO4", "PIO5" };
/**
* ide_xfer_verbose - return IDE mode names
- * @xfer_rate: rate to name
+ * @mode: transfer mode
*
* Returns a constant string giving the name of the mode
* requested.
*/
-char *ide_xfer_verbose (u8 xfer_rate)
+const char *ide_xfer_verbose(u8 mode)
{
- switch(xfer_rate) {
- case XFER_UDMA_7: return("UDMA 7");
- case XFER_UDMA_6: return("UDMA 6");
- case XFER_UDMA_5: return("UDMA 5");
- case XFER_UDMA_4: return("UDMA 4");
- case XFER_UDMA_3: return("UDMA 3");
- case XFER_UDMA_2: return("UDMA 2");
- case XFER_UDMA_1: return("UDMA 1");
- case XFER_UDMA_0: return("UDMA 0");
- case XFER_MW_DMA_2: return("MW DMA 2");
- case XFER_MW_DMA_1: return("MW DMA 1");
- case XFER_MW_DMA_0: return("MW DMA 0");
- case XFER_SW_DMA_2: return("SW DMA 2");
- case XFER_SW_DMA_1: return("SW DMA 1");
- case XFER_SW_DMA_0: return("SW DMA 0");
- case XFER_PIO_4: return("PIO 4");
- case XFER_PIO_3: return("PIO 3");
- case XFER_PIO_2: return("PIO 2");
- case XFER_PIO_1: return("PIO 1");
- case XFER_PIO_0: return("PIO 0");
- case XFER_PIO_SLOW: return("PIO SLOW");
- default: return("XFER ERROR");
- }
-}
-
-EXPORT_SYMBOL(ide_xfer_verbose);
-
-/**
- * ide_dma_speed - compute DMA speed
- * @drive: drive
- * @mode; intended mode
- *
- * Checks the drive capabilities and returns the speed to use
- * for the transfer. Returns -1 if the requested mode is unknown
- * (eg PIO)
- */
-
-u8 ide_dma_speed(ide_drive_t *drive, u8 mode)
-{
- struct hd_driveid *id = drive->id;
- ide_hwif_t *hwif = HWIF(drive);
- u8 speed = 0;
-
- if (drive->media != ide_disk && hwif->atapi_dma == 0)
- return 0;
-
- switch(mode) {
- case 0x04:
- if ((id->dma_ultra & 0x0040) &&
- (id->dma_ultra & hwif->ultra_mask))
- { speed = XFER_UDMA_6; break; }
- case 0x03:
- if ((id->dma_ultra & 0x0020) &&
- (id->dma_ultra & hwif->ultra_mask))
- { speed = XFER_UDMA_5; break; }
- case 0x02:
- if ((id->dma_ultra & 0x0010) &&
- (id->dma_ultra & hwif->ultra_mask))
- { speed = XFER_UDMA_4; break; }
- if ((id->dma_ultra & 0x0008) &&
- (id->dma_ultra & hwif->ultra_mask))
- { speed = XFER_UDMA_3; break; }
- case 0x01:
- if ((id->dma_ultra & 0x0004) &&
- (id->dma_ultra & hwif->ultra_mask))
- { speed = XFER_UDMA_2; break; }
- if ((id->dma_ultra & 0x0002) &&
- (id->dma_ultra & hwif->ultra_mask))
- { speed = XFER_UDMA_1; break; }
- if ((id->dma_ultra & 0x0001) &&
- (id->dma_ultra & hwif->ultra_mask))
- { speed = XFER_UDMA_0; break; }
- case 0x00:
- if ((id->dma_mword & 0x0004) &&
- (id->dma_mword & hwif->mwdma_mask))
- { speed = XFER_MW_DMA_2; break; }
- if ((id->dma_mword & 0x0002) &&
- (id->dma_mword & hwif->mwdma_mask))
- { speed = XFER_MW_DMA_1; break; }
- if ((id->dma_mword & 0x0001) &&
- (id->dma_mword & hwif->mwdma_mask))
- { speed = XFER_MW_DMA_0; break; }
- if ((id->dma_1word & 0x0004) &&
- (id->dma_1word & hwif->swdma_mask))
- { speed = XFER_SW_DMA_2; break; }
- if ((id->dma_1word & 0x0002) &&
- (id->dma_1word & hwif->swdma_mask))
- { speed = XFER_SW_DMA_1; break; }
- if ((id->dma_1word & 0x0001) &&
- (id->dma_1word & hwif->swdma_mask))
- { speed = XFER_SW_DMA_0; break; }
- }
-
-// printk("%s: %s: mode 0x%02x, speed 0x%02x\n",
-// __FUNCTION__, drive->name, mode, speed);
+ const char *s;
+ u8 i = mode & 0xf;
+
+ if (mode >= XFER_UDMA_0 && mode <= XFER_UDMA_7)
+ s = udma_str[i];
+ else if (mode >= XFER_MW_DMA_0 && mode <= XFER_MW_DMA_2)
+ s = mwdma_str[i];
+ else if (mode >= XFER_SW_DMA_0 && mode <= XFER_SW_DMA_2)
+ s = swdma_str[i];
+ else if (mode >= XFER_PIO_0 && mode <= XFER_PIO_5)
+ s = pio_str[i & 0x7];
+ else if (mode == XFER_PIO_SLOW)
+ s = "PIO SLOW";
+ else
+ s = "XFER ERROR";
- return speed;
+ return s;
}
-EXPORT_SYMBOL(ide_dma_speed);
-
+EXPORT_SYMBOL(ide_xfer_verbose);
/**
- * ide_rate_filter - return best speed for mode
- * @mode: modes available
+ * ide_rate_filter - filter transfer mode
+ * @drive: IDE device
* @speed: desired speed
*
- * Given the available DMA/UDMA mode this function returns
+ * Given the available transfer modes this function returns
* the best available speed at or below the speed requested.
+ *
+ * TODO: check device PIO capabilities
*/
-u8 ide_rate_filter (u8 mode, u8 speed)
+static u8 ide_rate_filter(ide_drive_t *drive, u8 speed)
{
-#ifdef CONFIG_BLK_DEV_IDEDMA
- static u8 speed_max[] = {
- XFER_MW_DMA_2, XFER_UDMA_2, XFER_UDMA_4,
- XFER_UDMA_5, XFER_UDMA_6
- };
-
-// printk("%s: mode 0x%02x, speed 0x%02x\n", __FUNCTION__, mode, speed);
-
- /* So that we remember to update this if new modes appear */
- BUG_ON(mode > 4);
- return min(speed, speed_max[mode]);
-#else /* !CONFIG_BLK_DEV_IDEDMA */
- return min(speed, (u8)XFER_PIO_4);
-#endif /* CONFIG_BLK_DEV_IDEDMA */
-}
-
-EXPORT_SYMBOL(ide_rate_filter);
+ ide_hwif_t *hwif = drive->hwif;
+ u8 mode = ide_find_dma_mode(drive, speed);
+
+ if (mode == 0) {
+ if (hwif->pio_mask)
+ mode = fls(hwif->pio_mask) - 1 + XFER_PIO_0;
+ else
+ mode = XFER_PIO_4;
+ }
-int ide_dma_enable (ide_drive_t *drive)
-{
- ide_hwif_t *hwif = HWIF(drive);
- struct hd_driveid *id = drive->id;
+/* printk("%s: mode 0x%02x, speed 0x%02x\n", __func__, mode, speed); */
- return ((int) ((((id->dma_ultra >> 8) & hwif->ultra_mask) ||
- ((id->dma_mword >> 8) & hwif->mwdma_mask) ||
- ((id->dma_1word >> 8) & hwif->swdma_mask)) ? 1 : 0));
+ return min(speed, mode);
}
-EXPORT_SYMBOL(ide_dma_enable);
-
/*
* Standard (generic) timings for PIO modes, from ATA2 specification.
* These timings are for access to the IDE data port register *only*.
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 },
return -1;
}
+unsigned int ide_pio_cycle_time(ide_drive_t *drive, u8 pio)
+{
+ struct hd_driveid *id = drive->id;
+ int cycle_time = 0;
+
+ if (id->field_valid & 2) {
+ if (id->capability & 8)
+ cycle_time = id->eide_pio_iordy;
+ else
+ cycle_time = id->eide_pio;
+ }
+
+ /* conservative "downgrade" for all pre-ATA2 drives */
+ if (pio < 3) {
+ if (cycle_time && cycle_time < ide_pio_timings[pio].cycle_time)
+ cycle_time = 0; /* use standard timing */
+ }
+
+ return cycle_time ? cycle_time : ide_pio_timings[pio].cycle_time;
+}
+
+EXPORT_SYMBOL_GPL(ide_pio_cycle_time);
+
/**
* ide_get_best_pio_mode - get PIO mode from drive
- * @driver: drive to consider
+ * @drive: drive to consider
* @mode_wanted: preferred mode
- * @max_mode: highest allowed
- * @d: pio data
+ * @max_mode: highest allowed mode
*
* This routine returns the recommended PIO settings for a given drive,
* based on the drive->id information and the ide_pio_blacklist[].
- * This is used by most chipset support modules when "auto-tuning".
*
- * Drive PIO mode auto selection
+ * Drive PIO mode is auto-selected if 255 is passed as mode_wanted.
+ * This is used by most chipset support modules when "auto-tuning".
*/
-u8 ide_get_best_pio_mode (ide_drive_t *drive, u8 mode_wanted, u8 max_mode, ide_pio_data_t *d)
+u8 ide_get_best_pio_mode (ide_drive_t *drive, u8 mode_wanted, u8 max_mode)
{
int pio_mode;
- int cycle_time = 0;
- int use_iordy = 0;
struct hd_driveid* id = drive->id;
int overridden = 0;
- int blacklisted = 0;
-
- if (mode_wanted != 255) {
- pio_mode = mode_wanted;
- } else if (!drive->id) {
- pio_mode = 0;
- } else if ((pio_mode = ide_scan_pio_blacklist(id->model)) != -1) {
- overridden = 1;
- blacklisted = 1;
- use_iordy = (pio_mode > 2);
+
+ if (mode_wanted != 255)
+ return min_t(u8, mode_wanted, max_mode);
+
+ if ((drive->hwif->host_flags & IDE_HFLAG_PIO_NO_BLACKLIST) == 0 &&
+ (pio_mode = ide_scan_pio_blacklist(id->model)) != -1) {
+ printk(KERN_INFO "%s: is on PIO blacklist\n", drive->name);
} else {
pio_mode = id->tPIO;
if (pio_mode > 2) { /* 2 is maximum allowed tPIO value */
overridden = 1;
}
if (id->field_valid & 2) { /* drive implements ATA2? */
- if (id->capability & 8) { /* drive supports use_iordy? */
- use_iordy = 1;
- cycle_time = id->eide_pio_iordy;
+ if (id->capability & 8) { /* IORDY supported? */
if (id->eide_pio_modes & 7) {
overridden = 0;
if (id->eide_pio_modes & 4)
else
pio_mode = 3;
}
- } else {
- cycle_time = id->eide_pio;
}
}
-#if 0
- if (drive->id->major_rev_num & 0x0004) printk("ATA-2 ");
-#endif
-
- /*
- * Conservative "downgrade" for all pre-ATA2 drives
- */
- if (pio_mode && pio_mode < 4) {
- pio_mode--;
- overridden = 1;
-#if 0
- use_iordy = (pio_mode > 2);
-#endif
- if (cycle_time && cycle_time < ide_pio_timings[pio_mode].cycle_time)
- cycle_time = 0; /* use standard timing */
- }
+ if (overridden)
+ printk(KERN_INFO "%s: tPIO > 2, assuming tPIO = 2\n",
+ drive->name);
}
- if (pio_mode > max_mode) {
+
+ if (pio_mode > max_mode)
pio_mode = max_mode;
- cycle_time = 0;
- }
- if (d) {
- d->pio_mode = pio_mode;
- d->cycle_time = cycle_time ? cycle_time : ide_pio_timings[pio_mode].cycle_time;
- d->use_iordy = use_iordy;
- d->overridden = overridden;
- d->blacklisted = blacklisted;
- }
+
return pio_mode;
}
EXPORT_SYMBOL_GPL(ide_get_best_pio_mode);
+/* req_pio == "255" for auto-tune */
+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 (port_ops == NULL || port_ops->set_pio_mode == NULL ||
+ (hwif->host_flags & IDE_HFLAG_NO_SET_MODE))
+ return;
+
+ BUG_ON(hwif->pio_mask == 0x00);
+
+ host_pio = fls(hwif->pio_mask) - 1;
+
+ pio = ide_get_best_pio_mode(drive, req_pio, host_pio);
+
+ /*
+ * TODO:
+ * - report device max PIO mode
+ * - check req_pio != 255 against device max PIO mode
+ */
+ printk(KERN_DEBUG "%s: host max PIO%d wanted PIO%d%s selected PIO%d\n",
+ drive->name, host_pio, req_pio,
+ req_pio == 255 ? "(auto-tune)" : "", pio);
+
+ (void)ide_set_pio_mode(drive, XFER_PIO_0 + pio);
+}
+
+EXPORT_SYMBOL_GPL(ide_set_pio);
+
/**
* ide_toggle_bounce - handle bounce buffering
* @drive: drive to update
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)
blk_queue_bounce_limit(drive->queue, addr);
}
+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->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 (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;
+ port_ops->set_pio_mode(drive, mode - XFER_PIO_0);
+ return 0;
+ } else {
+ 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 (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;
+ port_ops->set_dma_mode(drive, mode);
+ return 0;
+ } else {
+ port_ops->set_dma_mode(drive, mode);
+ return ide_config_drive_speed(drive, mode);
+ }
+}
+
+EXPORT_SYMBOL_GPL(ide_set_dma_mode);
+
/**
* ide_set_xfer_rate - set transfer rate
* @drive: drive to set
- * @speed: speed to attempt to set
+ * @rate: speed to attempt to set
*
* General helper for setting the speed of an IDE device. This
* function knows about user enforced limits from the configuration
- * which speedproc() does not. High level drivers should never
- * invoke speedproc() directly.
+ * which ->set_pio_mode/->set_dma_mode does not.
*/
-
+
int ide_set_xfer_rate(ide_drive_t *drive, u8 rate)
{
-#ifndef CONFIG_BLK_DEV_IDEDMA
- rate = min(rate, (u8) XFER_PIO_4);
-#endif
- if(HWIF(drive)->speedproc)
- return HWIF(drive)->speedproc(drive, rate);
- else
+ ide_hwif_t *hwif = drive->hwif;
+ const struct ide_port_ops *port_ops = hwif->port_ops;
+
+ if (port_ops == NULL || port_ops->set_dma_mode == NULL ||
+ (hwif->host_flags & IDE_HFLAG_NO_SET_MODE))
return -1;
-}
-EXPORT_SYMBOL_GPL(ide_set_xfer_rate);
+ rate = ide_rate_filter(drive, rate);
+
+ if (rate >= XFER_PIO_0 && rate <= XFER_PIO_5)
+ return ide_set_pio_mode(drive, rate);
+
+ /*
+ * TODO: transfer modes 0x00-0x07 passed from the user-space are
+ * currently handled here which needs fixing (please note that such
+ * 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->flags & (REQ_DRIVE_CMD | REQ_DRIVE_TASK)) {
- char *args = rq->buffer;
- if (args) {
- opcode = args[0];
- found = 1;
- }
- } else if (rq->flags & REQ_DRIVE_TASKFILE) {
- ide_task_t *args = rq->special;
- if (args) {
- task_struct_t *tf = (task_struct_t *) args->tfRegister;
- opcode = 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);
}
-static u8 ide_dump_ata_status(ide_drive_t *drive, const char *msg, u8 stat)
+u64 ide_get_lba_addr(struct ide_taskfile *tf, int lba48)
{
- ide_hwif_t *hwif = HWIF(drive);
- unsigned long flags;
- u8 err = 0;
+ u32 high, low;
- 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 ");
+ if (lba48)
+ high = (tf->hob_lbah << 16) | (tf->hob_lbam << 8) |
+ tf->hob_lbal;
+ else
+ high = tf->device & 0xf;
+ low = (tf->lbah << 16) | (tf->lbam << 8) | tf->lbal;
+
+ return ((u64)high << 24) | low;
+}
+EXPORT_SYMBOL_GPL(ide_get_lba_addr);
+
+static void ide_dump_sector(ide_drive_t *drive)
+{
+ ide_task_t task;
+ struct ide_taskfile *tf = &task.tf;
+ int lba48 = (drive->addressing == 1) ? 1 : 0;
+
+ memset(&task, 0, sizeof(task));
+ if (lba48)
+ task.tf_flags = IDE_TFLAG_IN_LBA | IDE_TFLAG_IN_HOB_LBA |
+ IDE_TFLAG_LBA48;
+ else
+ task.tf_flags = IDE_TFLAG_IN_LBA | IDE_TFLAG_IN_DEVICE;
+
+ ide_tf_read(drive, &task);
+
+ if (lba48 || (tf->device & ATA_LBA))
+ printk(", LBAsect=%llu",
+ (unsigned long long)ide_get_lba_addr(tf, lba48));
+ else
+ printk(", CHS=%d/%d/%d", (tf->lbah << 8) + tf->lbam,
+ tf->device & 0xf, tf->lbal);
+}
+
+static void ide_dump_ata_error(ide_drive_t *drive, u8 err)
+{
+ 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))) {
- if (drive->addressing == 1) {
- __u64 sectors = 0;
- u32 low = 0, high = 0;
- low = ide_read_24(drive);
- hwif->OUTB(drive->ctl|0x80, IDE_CONTROL_REG);
- high = ide_read_24(drive);
- sectors = ((__u64)high << 24) | low;
- printk(", LBAsect=%llu, high=%d, low=%d",
- (unsigned long long) sectors,
- high, low);
- } else {
- u8 cur = hwif->INB(IDE_SELECT_REG);
- if (cur & 0x40) { /* using LBA? */
- printk(", LBAsect=%ld", (unsigned long)
- ((cur&0xf)<<24)
- |(hwif->INB(IDE_HCYL_REG)<<16)
- |(hwif->INB(IDE_LCYL_REG)<<8)
- | hwif->INB(IDE_SECTOR_REG));
- } else {
- printk(", CHS=%d/%d/%d",
- (hwif->INB(IDE_HCYL_REG)<<8) +
- hwif->INB(IDE_LCYL_REG),
- cur & 0xf,
- hwif->INB(IDE_SECTOR_REG));
- }
- }
- 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;
- atapi_status_t status;
- atapi_error_t error;
-
- status.all = stat;
- error.all = 0;
local_irq_save(flags);
printk("%s: %s: status=0x%02x { ", drive->name, msg, stat);
- if (status.b.bsy)
+ if (stat & BUSY_STAT)
printk("Busy ");
else {
- if (status.b.drdy) printk("DriveReady ");
- if (status.b.df) printk("DeviceFault ");
- if (status.b.dsc) printk("SeekComplete ");
- if (status.b.drq) printk("DataRequest ");
- if (status.b.corr) printk("CorrectedError ");
- if (status.b.idx) printk("Index ");
- if (status.b.check) printk("Error ");
+ 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("}\n");
- if (status.b.check && !status.b.bsy) {
- error.all = HWIF(drive)->INB(IDE_ERROR_REG);
- printk("%s: %s: error=0x%02x { ", drive->name, msg, error.all);
- if (error.b.ili) printk("IllegalLengthIndication ");
- if (error.b.eom) printk("EndOfMedia ");
- if (error.b.abrt) printk("AbortedCommand ");
- if (error.b.mcr) printk("MediaChangeRequested ");
- if (error.b.sense_key) printk("LastFailedSense=0x%02x ",
- error.b.sense_key);
- printk("}\n");
+ if ((stat & (BUSY_STAT|ERR_STAT)) == ERR_STAT) {
+ 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 error.all;
-}
-
-/**
- * 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);
+ return err;
}
EXPORT_SYMBOL(ide_dump_status);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff