-#include <linux/module.h>
#include <linux/types.h>
#include <linux/string.h>
#include <linux/kernel.h>
-#include <linux/timer.h>
-#include <linux/mm.h>
#include <linux/interrupt.h>
-#include <linux/major.h>
-#include <linux/errno.h>
-#include <linux/genhd.h>
-#include <linux/blkpg.h>
-#include <linux/slab.h>
-#include <linux/pci.h>
-#include <linux/delay.h>
-#include <linux/hdreg.h>
#include <linux/ide.h>
#include <linux/bitops.h>
-#include <asm/byteorder.h>
-#include <asm/irq.h>
-#include <asm/uaccess.h>
-#include <asm/io.h>
-
static const char *udma_str[] =
{ "UDMA/16", "UDMA/25", "UDMA/33", "UDMA/44",
"UDMA/66", "UDMA/100", "UDMA/133", "UDMA7" };
return s;
}
-
EXPORT_SYMBOL(ide_xfer_verbose);
/**
return min(speed, mode);
}
-/*
- * Standard (generic) timings for PIO modes, from ATA2 specification.
- * These timings are for access to the IDE data port register *only*.
- * Some drives may specify a mode, while also specifying a different
- * value for cycle_time (from drive identification data).
- */
-const ide_pio_timings_t ide_pio_timings[6] = {
- { 70, 165, 600 }, /* PIO Mode 0 */
- { 50, 125, 383 }, /* PIO Mode 1 */
- { 30, 100, 240 }, /* PIO Mode 2 */
- { 30, 80, 180 }, /* PIO Mode 3 with IORDY */
- { 25, 70, 120 }, /* PIO Mode 4 with IORDY */
- { 20, 50, 100 } /* PIO Mode 5 with IORDY (nonstandard) */
-};
-
-EXPORT_SYMBOL_GPL(ide_pio_timings);
-
-/*
- * Shared data/functions for determining best PIO mode for an IDE drive.
- * Most of this stuff originally lived in cmd640.c, and changes to the
- * ide_pio_blacklist[] table should be made with EXTREME CAUTION to avoid
- * breaking the fragile cmd640.c support.
- */
-
-/*
- * Black list. Some drives incorrectly report their maximal PIO mode,
- * at least in respect to CMD640. Here we keep info on some known drives.
- */
-static struct ide_pio_info {
- const char *name;
- int pio;
-} ide_pio_blacklist [] = {
- { "Conner Peripherals 540MB - CFS540A", 3 },
-
- { "WDC AC2700", 3 },
- { "WDC AC2540", 3 },
- { "WDC AC2420", 3 },
- { "WDC AC2340", 3 },
- { "WDC AC2250", 0 },
- { "WDC AC2200", 0 },
- { "WDC AC21200", 4 },
- { "WDC AC2120", 0 },
- { "WDC AC2850", 3 },
- { "WDC AC1270", 3 },
- { "WDC AC1170", 1 },
- { "WDC AC1210", 1 },
- { "WDC AC280", 0 },
- { "WDC AC31000", 3 },
- { "WDC AC31200", 3 },
-
- { "Maxtor 7131 AT", 1 },
- { "Maxtor 7171 AT", 1 },
- { "Maxtor 7213 AT", 1 },
- { "Maxtor 7245 AT", 1 },
- { "Maxtor 7345 AT", 1 },
- { "Maxtor 7546 AT", 3 },
- { "Maxtor 7540 AV", 3 },
-
- { "SAMSUNG SHD-3121A", 1 },
- { "SAMSUNG SHD-3122A", 1 },
- { "SAMSUNG SHD-3172A", 1 },
-
- { "ST5660A", 3 },
- { "ST3660A", 3 },
- { "ST3630A", 3 },
- { "ST3655A", 3 },
- { "ST3391A", 3 },
- { "ST3390A", 1 },
- { "ST3600A", 1 },
- { "ST3290A", 0 },
- { "ST3144A", 0 },
- { "ST3491A", 1 }, /* reports 3, should be 1 or 2 (depending on */
- /* drive) according to Seagates FIND-ATA program */
-
- { "QUANTUM ELS127A", 0 },
- { "QUANTUM ELS170A", 0 },
- { "QUANTUM LPS240A", 0 },
- { "QUANTUM LPS210A", 3 },
- { "QUANTUM LPS270A", 3 },
- { "QUANTUM LPS365A", 3 },
- { "QUANTUM LPS540A", 3 },
- { "QUANTUM LIGHTNING 540A", 3 },
- { "QUANTUM LIGHTNING 730A", 3 },
-
- { "QUANTUM FIREBALL_540", 3 }, /* Older Quantum Fireballs don't work */
- { "QUANTUM FIREBALL_640", 3 },
- { "QUANTUM FIREBALL_1080", 3 },
- { "QUANTUM FIREBALL_1280", 3 },
- { NULL, 0 }
-};
-
-/**
- * ide_scan_pio_blacklist - check for a blacklisted drive
- * @model: Drive model string
- *
- * This routine searches the ide_pio_blacklist for an entry
- * matching the start/whole of the supplied model name.
- *
- * Returns -1 if no match found.
- * Otherwise returns the recommended PIO mode from ide_pio_blacklist[].
- */
-
-static int ide_scan_pio_blacklist (char *model)
-{
- struct ide_pio_info *p;
-
- for (p = ide_pio_blacklist; p->name != NULL; p++) {
- if (strncmp(p->name, model, strlen(p->name)) == 0)
- return p->pio;
- }
- 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
* @drive: drive to consider
* 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)
+u8 ide_get_best_pio_mode(ide_drive_t *drive, u8 mode_wanted, u8 max_mode)
{
- int pio_mode;
- struct hd_driveid* id = drive->id;
- int overridden = 0;
+ u16 *id = drive->id;
+ int pio_mode = -1, overridden = 0;
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) {
+ if ((drive->hwif->host_flags & IDE_HFLAG_PIO_NO_BLACKLIST) == 0)
+ pio_mode = ide_scan_pio_blacklist((char *)&id[ATA_ID_PROD]);
+
+ if (pio_mode != -1) {
printk(KERN_INFO "%s: is on PIO blacklist\n", drive->name);
} else {
- pio_mode = id->tPIO;
+ pio_mode = id[ATA_ID_OLD_PIO_MODES] >> 8;
if (pio_mode > 2) { /* 2 is maximum allowed tPIO value */
pio_mode = 2;
overridden = 1;
}
- if (id->field_valid & 2) { /* drive implements ATA2? */
- if (id->capability & 8) { /* IORDY supported? */
- if (id->eide_pio_modes & 7) {
+
+ if (id[ATA_ID_FIELD_VALID] & 2) { /* ATA2? */
+ if (ata_id_has_iordy(id)) {
+ if (id[ATA_ID_PIO_MODES] & 7) {
overridden = 0;
- if (id->eide_pio_modes & 4)
+ if (id[ATA_ID_PIO_MODES] & 4)
pio_mode = 5;
- else if (id->eide_pio_modes & 2)
+ else if (id[ATA_ID_PIO_MODES] & 2)
pio_mode = 4;
else
pio_mode = 3;
return pio_mode;
}
-
EXPORT_SYMBOL_GPL(ide_get_best_pio_mode);
/* req_pio == "255" for auto-tune */
(void)ide_set_pio_mode(drive, XFER_PIO_0 + pio);
}
-
EXPORT_SYMBOL_GPL(ide_set_pio);
/**
* Enable or disable bounce buffering for the device. Drives move
* between PIO and DMA and that changes the rules we need.
*/
-
+
void ide_toggle_bounce(ide_drive_t *drive, int on)
{
u64 addr = BLK_BOUNCE_HIGH; /* dma64_addr_t */
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
* @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 ->set_pio_mode/->set_dma_mode does not.
rate = ide_rate_filter(drive, rate);
+ BUG_ON(rate < XFER_PIO_0);
+
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;
+ struct request *rq = drive->hwif->rq;
ide_task_t *task = NULL;
- spin_lock(&ide_lock);
- rq = NULL;
- if (HWGROUP(drive))
- rq = HWGROUP(drive)->rq;
- spin_unlock(&ide_lock);
if (!rq)
return;
if (rq->cmd_type == REQ_TYPE_ATA_TASKFILE)
task = rq->special;
- printk("ide: failed opcode was: ");
+ printk(KERN_ERR "ide: failed opcode was: ");
if (task == NULL)
printk(KERN_CONT "unknown\n");
else
{
ide_task_t task;
struct ide_taskfile *tf = &task.tf;
- int lba48 = (drive->addressing == 1) ? 1 : 0;
+ u8 lba48 = !!(drive->dev_flags & IDE_DFLAG_LBA48);
memset(&task, 0, sizeof(task));
if (lba48)
else
task.tf_flags = IDE_TFLAG_IN_LBA | IDE_TFLAG_IN_DEVICE;
- drive->hwif->tf_read(drive, &task);
+ drive->hwif->tp_ops->tf_read(drive, &task);
if (lba48 || (tf->device & ATA_LBA))
- printk(", LBAsect=%llu",
+ printk(KERN_CONT ", 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);
+ printk(KERN_CONT ", 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))) {
+ printk(KERN_ERR "{ ");
+ if (err & ATA_ABORTED)
+ printk(KERN_CONT "DriveStatusError ");
+ if (err & ATA_ICRC)
+ printk(KERN_CONT "%s",
+ (err & ATA_ABORTED) ? "BadCRC " : "BadSector ");
+ if (err & ATA_UNC)
+ printk(KERN_CONT "UncorrectableError ");
+ if (err & ATA_IDNF)
+ printk(KERN_CONT "SectorIdNotFound ");
+ if (err & ATA_TRK0NF)
+ printk(KERN_CONT "TrackZeroNotFound ");
+ if (err & ATA_AMNF)
+ printk(KERN_CONT "AddrMarkNotFound ");
+ printk(KERN_CONT "}");
+ if ((err & (ATA_BBK | ATA_ABORTED)) == ATA_BBK ||
+ (err & (ATA_UNC | ATA_IDNF | ATA_AMNF))) {
+ struct request *rq = drive->hwif->rq;
+
ide_dump_sector(drive);
- if (HWGROUP(drive) && HWGROUP(drive)->rq)
- printk(", sector=%llu",
- (unsigned long long)HWGROUP(drive)->rq->sector);
+
+ if (rq)
+ printk(KERN_CONT ", sector=%llu",
+ (unsigned long long)rq->sector);
}
- printk("\n");
+ printk(KERN_CONT "\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");
+ printk(KERN_ERR "{ ");
+ if (err & ATAPI_ILI)
+ printk(KERN_CONT "IllegalLengthIndication ");
+ if (err & ATAPI_EOM)
+ printk(KERN_CONT "EndOfMedia ");
+ if (err & ATA_ABORTED)
+ printk(KERN_CONT "AbortedCommand ");
+ if (err & ATA_MCR)
+ printk(KERN_CONT "MediaChangeRequested ");
+ if (err & ATAPI_LFS)
+ printk(KERN_CONT "LastFailedSense=0x%02x ",
+ (err & ATAPI_LFS) >> 4);
+ printk(KERN_CONT "}\n");
}
/**
u8 ide_dump_status(ide_drive_t *drive, const char *msg, u8 stat)
{
- 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 ");
+ printk(KERN_ERR "%s: %s: status=0x%02x { ", drive->name, msg, stat);
+ if (stat & ATA_BUSY)
+ printk(KERN_CONT "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 (stat & ATA_DRDY)
+ printk(KERN_CONT "DriveReady ");
+ if (stat & ATA_DF)
+ printk(KERN_CONT "DeviceFault ");
+ if (stat & ATA_DSC)
+ printk(KERN_CONT "SeekComplete ");
+ if (stat & ATA_DRQ)
+ printk(KERN_CONT "DataRequest ");
+ if (stat & ATA_CORR)
+ printk(KERN_CONT "CorrectedError ");
+ if (stat & ATA_IDX)
+ printk(KERN_CONT "Index ");
+ if (stat & ATA_ERR)
+ printk(KERN_CONT "Error ");
}
- printk("}\n");
- if ((stat & (BUSY_STAT|ERR_STAT)) == ERR_STAT) {
+ printk(KERN_CONT "}\n");
+ if ((stat & (ATA_BUSY | ATA_ERR)) == ATA_ERR) {
err = ide_read_error(drive);
- printk("%s: %s: error=0x%02x ", drive->name, msg, err);
+ printk(KERN_ERR "%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;
}
-
EXPORT_SYMBOL(ide_dump_status);