#include <linux/cdrom.h>
#include <linux/seq_file.h>
#include <linux/device.h>
+#include <linux/bitops.h>
#include <asm/byteorder.h>
#include <asm/irq.h>
#include <asm/uaccess.h>
#include <asm/io.h>
-#include <asm/bitops.h>
/* default maximum number of failures */
static int initializing; /* set while initializing built-in drivers */
DECLARE_MUTEX(ide_cfg_sem);
-spinlock_t ide_lock __cacheline_aligned_in_smp = SPIN_LOCK_UNLOCKED;
+ __cacheline_aligned_in_smp DEFINE_SPINLOCK(ide_lock);
#ifdef CONFIG_BLK_DEV_IDEPCI
static int ide_scan_direction; /* THIS was formerly 2.2.x pci=reverse */
* Returns a guessed speed in MHz.
*/
-int ide_system_bus_speed (void)
+static int ide_system_bus_speed(void)
{
+#ifdef CONFIG_PCI
+ static struct pci_device_id pci_default[] = {
+ { PCI_DEVICE(PCI_ANY_ID, PCI_ANY_ID) },
+ { }
+ };
+#else
+#define pci_default 0
+#endif /* CONFIG_PCI */
+
if (!system_bus_speed) {
if (idebus_parameter) {
/* user supplied value */
system_bus_speed = idebus_parameter;
- } else if (pci_find_device(PCI_ANY_ID, PCI_ANY_ID, NULL) != NULL) {
+ } else if (pci_dev_present(pci_default)) {
/* safe default value for PCI */
system_bus_speed = 33;
} else {
return system_bus_speed;
}
-/**
- * current_capacity - drive capacity
- * @drive: drive to query
- *
- * Return the current capacity (in sectors) of a drive according to
- * its current geometry/LBA settings. Empty removables are reported
- * as size zero.
- */
-
-sector_t current_capacity (ide_drive_t *drive)
-{
- if (!drive->present)
- return 0;
- return DRIVER(drive)->capacity(drive);
-}
-
-EXPORT_SYMBOL(current_capacity);
-
-/**
- * ide_dump_status - translate ATA 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)
-{
- ide_hwif_t *hwif = HWIF(drive);
- unsigned long flags;
- u8 err = 0;
-
- local_irq_set(flags);
- printk(KERN_WARNING "%s: %s: status=0x%02x", drive->name, msg, stat);
- printk(" { ");
- 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("}");
- 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 (drive->media == ide_disk) {
- printk(" { ");
- if (err & ABRT_ERR) printk("DriveStatusError ");
- if (err & ICRC_ERR) printk("Bad%s ", (err & ABRT_ERR) ? "CRC" : "Sector");
- 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->id->command_set_2 & 0x0400) &&
- (drive->id->cfs_enable_2 & 0x0400) &&
- (drive->addressing == 1)) {
- u64 sectors = 0;
- u32 high = 0;
- u32 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",
- (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");
- }
- {
- struct request *rq;
- int opcode = 0x100;
-
- spin_lock(&ide_lock);
- rq = NULL;
- if (HWGROUP(drive))
- rq = HWGROUP(drive)->rq;
- spin_unlock(&ide_lock);
- if (!rq)
- goto out;
- if (rq->flags & (REQ_DRIVE_CMD | REQ_DRIVE_TASK)) {
- char *args = rq->buffer;
- if (args)
- opcode = args[0];
- } 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;
- }
- }
-
- printk("ide: failed opcode was %x\n", opcode);
- }
-out:
- local_irq_restore(flags);
- return err;
-}
-
-EXPORT_SYMBOL(ide_dump_status);
-
static int ide_open (struct inode * inode, struct file * filp)
{
return -ENXIO;
* list of drivers. Currently nobody takes both at once.
*/
-static spinlock_t drives_lock = SPIN_LOCK_UNLOCKED;
-static spinlock_t drivers_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(drives_lock);
+static DEFINE_SPINLOCK(drivers_lock);
static LIST_HEAD(drivers);
/* Iterator for the driver list. */
#ifdef CONFIG_PROC_FS
struct proc_dir_entry *proc_ide_root;
-ide_proc_entry_t generic_subdriver_entries[] = {
+static ide_proc_entry_t generic_subdriver_entries[] = {
{ "capacity", S_IFREG|S_IRUGO, proc_ide_read_capacity, NULL },
{ NULL, 0, NULL, NULL }
};
hwif->cds = tmp_hwif->cds;
#endif
- hwif->identify = tmp_hwif->identify;
hwif->tuneproc = tmp_hwif->tuneproc;
hwif->speedproc = tmp_hwif->speedproc;
hwif->selectproc = tmp_hwif->selectproc;
hwif->atapi_input_bytes = tmp_hwif->atapi_input_bytes;
hwif->atapi_output_bytes = tmp_hwif->atapi_output_bytes;
- hwif->ide_dma_read = tmp_hwif->ide_dma_read;
- hwif->ide_dma_write = tmp_hwif->ide_dma_write;
- hwif->ide_dma_begin = tmp_hwif->ide_dma_begin;
+ hwif->dma_setup = tmp_hwif->dma_setup;
+ hwif->dma_exec_cmd = tmp_hwif->dma_exec_cmd;
+ hwif->dma_start = tmp_hwif->dma_start;
hwif->ide_dma_end = tmp_hwif->ide_dma_end;
hwif->ide_dma_check = tmp_hwif->ide_dma_check;
hwif->ide_dma_on = tmp_hwif->ide_dma_on;
hwif->ide_dma_test_irq = tmp_hwif->ide_dma_test_irq;
hwif->ide_dma_host_on = tmp_hwif->ide_dma_host_on;
hwif->ide_dma_host_off = tmp_hwif->ide_dma_host_off;
- hwif->ide_dma_verbose = tmp_hwif->ide_dma_verbose;
hwif->ide_dma_lostirq = tmp_hwif->ide_dma_lostirq;
hwif->ide_dma_timeout = tmp_hwif->ide_dma_timeout;
hwif->INSW = tmp_hwif->INSW;
hwif->INSL = tmp_hwif->INSL;
+ hwif->sg_max_nents = tmp_hwif->sg_max_nents;
+
hwif->mmio = tmp_hwif->mmio;
hwif->rqsize = tmp_hwif->rqsize;
hwif->no_lba48 = tmp_hwif->no_lba48;
DRIVER(drive)->cleanup(drive);
}
-#ifdef CONFIG_PROC_FS
- destroy_proc_ide_drives(hwif);
-#endif
+ destroy_proc_ide_interface(hwif);
hwgroup = hwif->hwgroup;
/*
hwif->drives[i].disk = NULL;
put_disk(disk);
}
+ kfree(hwif->sg_table);
unregister_blkdev(hwif->major, hwif->name);
spin_lock_irq(&ide_lock);
}
/**
- * ide_register_hw - register IDE interface
+ * ide_register_hw_with_fixup - register IDE interface
* @hw: hardware registers
* @hwifp: pointer to returned hwif
+ * @fixup: fixup function
*
* Register an IDE interface, specifying exactly the registers etc.
* Set init=1 iff calling before probes have taken place.
* Returns -1 on error.
*/
-int ide_register_hw (hw_regs_t *hw, ide_hwif_t **hwifp)
+int ide_register_hw_with_fixup(hw_regs_t *hw, ide_hwif_t **hwifp, void(*fixup)(ide_hwif_t *hwif))
{
int index, retry = 1;
ide_hwif_t *hwif;
hwif->chipset = hw->chipset;
if (!initializing) {
- probe_hwif_init(hwif);
+ probe_hwif_init_with_fixup(hwif, fixup);
create_proc_ide_interfaces();
}
return (initializing || hwif->present) ? index : -1;
}
+EXPORT_SYMBOL(ide_register_hw_with_fixup);
+
+int ide_register_hw(hw_regs_t *hw, ide_hwif_t **hwifp)
+{
+ return ide_register_hw_with_fixup(hw, hwifp, NULL);
+}
+
EXPORT_SYMBOL(ide_register_hw);
/*
return 1;
}
-static int generic_ide_suspend(struct device *dev, u32 state)
+static int generic_ide_suspend(struct device *dev, pm_message_t state)
{
ide_drive_t *drive = dev->driver_data;
struct request rq;
*/
spin_lock_irqsave(&ide_lock, flags);
-
- DRIVER(drive)->abort(drive, "drive reset");
+
+ ide_abort(drive, "drive reset");
+
if(HWGROUP(drive)->handler)
BUG();
HWGROUP(drive)->busy = 1;
spin_unlock_irqrestore(&ide_lock, flags);
(void) ide_do_reset(drive);
- if (drive->suspend_reset) {
-/*
- * APM WAKE UP todo !!
- * int nogoodpower = 1;
- * while(nogoodpower) {
- * check_power1() or check_power2()
- * nogoodpower = 0;
- * }
- * HWIF(drive)->multiproc(drive);
- */
- return ioctl_by_bdev(bdev, BLKRRPART, 0);
- }
+
return 0;
}
return 0; /* zero = nothing matched */
}
-#ifdef CONFIG_BLK_DEV_PDC4030
-static int __initdata probe_pdc4030;
-#endif
#ifdef CONFIG_BLK_DEV_ALI14XX
static int __initdata probe_ali14xx;
extern int ali14xx_init(void);
*
* Remember to update Documentation/ide.txt if you change something here.
*/
-int __init ide_setup (char *s)
+static int __init ide_setup(char *s)
{
int i, vals[3];
ide_hwif_t *hwif;
#endif /* CONFIG_BLK_DEV_IDEDOUBLER */
if (!strcmp(s, "ide=nodma")) {
- printk("IDE: Prevented DMA\n");
+ printk(" : Prevented DMA\n");
noautodma = 1;
return 1;
}
if (s[0] == 'h' && s[1] == 'd' && s[2] >= 'a' && s[2] <= max_drive) {
const char *hd_words[] = {
"none", "noprobe", "nowerr", "cdrom", "serialize",
- "autotune", "noautotune", "stroke", "swapdata", "bswap",
+ "autotune", "noautotune", "minus8", "swapdata", "bswap",
"minus11", "remap", "remap63", "scsi", NULL };
unit = s[2] - 'a';
hw = unit / MAX_DRIVES;
goto do_serialize;
case -6: /* "autotune" */
drive->autotune = IDE_TUNE_AUTO;
- goto done;
+ goto obsolete_option;
case -7: /* "noautotune" */
drive->autotune = IDE_TUNE_NOAUTO;
- goto done;
- case -8: /* stroke */
- drive->stroke = 1;
- goto done;
+ goto obsolete_option;
case -9: /* "swapdata" */
case -10: /* "bswap" */
drive->bswap = 1;
"noprobe", "serialize", "autotune", "noautotune",
"reset", "dma", "ata66", "minus8", "minus9",
"minus10", "four", "qd65xx", "ht6560b", "cmd640_vlb",
- "dtc2278", "umc8672", "ali14xx", "dc4030", NULL };
+ "dtc2278", "umc8672", "ali14xx", NULL };
hw = s[3] - '0';
hwif = &ide_hwifs[hw];
i = match_parm(&s[4], ide_words, vals, 3);
}
switch (i) {
-#ifdef CONFIG_BLK_DEV_PDC4030
- case -18: /* "dc4030" */
- probe_pdc4030 = 1;
- goto done;
-#endif
#ifdef CONFIG_BLK_DEV_ALI14XX
case -17: /* "ali14xx" */
probe_ali14xx = 1;
case -7: /* ata66 */
#ifdef CONFIG_BLK_DEV_IDEPCI
hwif->udma_four = 1;
- goto done;
+ goto obsolete_option;
#else
goto bad_hwif;
#endif
case -6: /* dma */
hwif->autodma = 1;
- goto done;
+ goto obsolete_option;
case -5: /* "reset" */
hwif->reset = 1;
- goto done;
+ goto obsolete_option;
case -4: /* "noautotune" */
hwif->drives[0].autotune = IDE_TUNE_NOAUTO;
hwif->drives[1].autotune = IDE_TUNE_NOAUTO;
- goto done;
+ goto obsolete_option;
case -3: /* "autotune" */
hwif->drives[0].autotune = IDE_TUNE_AUTO;
hwif->drives[1].autotune = IDE_TUNE_AUTO;
- goto done;
+ goto obsolete_option;
case -2: /* "serialize" */
do_serialize:
hwif->mate = &ide_hwifs[hw^1];
hwif->mate->mate = hwif;
hwif->serialized = hwif->mate->serialized = 1;
- goto done;
+ goto obsolete_option;
case -1: /* "noprobe" */
hwif->noprobe = 1;
hwif->irq = vals[2];
hwif->noprobe = 0;
hwif->chipset = ide_forced;
- goto done;
+ goto obsolete_option;
case 0: goto bad_option;
default:
bad_option:
printk(" -- BAD OPTION\n");
return 1;
+obsolete_option:
+ printk(" -- OBSOLETE OPTION, WILL BE REMOVED SOON!\n");
+ return 1;
bad_hwif:
printk("-- NOT SUPPORTED ON ide%d", hw);
done:
ide_probe_for_cmd640x();
}
#endif /* CONFIG_BLK_DEV_CMD640 */
-#ifdef CONFIG_BLK_DEV_PDC4030
- {
- extern int pdc4030_init(void);
- if (probe_pdc4030)
- (void)pdc4030_init();
- }
-#endif /* CONFIG_BLK_DEV_PDC4030 */
#ifdef CONFIG_BLK_DEV_IDE_PMAC
{
extern void pmac_ide_probe(void);
#endif
}
-/*
- * Actually unregister the subdriver. Called with the
- * request lock dropped.
- */
-
-static int default_cleanup (ide_drive_t *drive)
-{
- return ide_unregister_subdriver(drive);
-}
-
static ide_startstop_t default_do_request (ide_drive_t *drive, struct request *rq, sector_t block)
{
ide_end_request(drive, 0, 0);
return ide_end_request(drive, uptodate, nr_sects);
}
-static u8 default_sense (ide_drive_t *drive, const char *msg, u8 stat)
-{
- return ide_dump_status(drive, msg, stat);
-}
-
-static ide_startstop_t default_error (ide_drive_t *drive, const char *msg, u8 stat)
+static ide_startstop_t
+default_error(ide_drive_t *drive, struct request *rq, u8 stat, u8 err)
{
- return ide_error(drive, msg, stat);
+ return __ide_error(drive, rq, stat, err);
}
static void default_pre_reset (ide_drive_t *drive)
return ide_stopped;
}
-static int default_attach (ide_drive_t *drive)
-{
- printk(KERN_ERR "%s: does not support hotswap of device class !\n",
- drive->name);
-
- return 0;
-}
-
-static ide_startstop_t default_abort (ide_drive_t *drive, const char *msg)
+static ide_startstop_t default_abort(ide_drive_t *drive, struct request *rq)
{
- return ide_abort(drive, msg);
+ return __ide_abort(drive, rq);
}
static ide_startstop_t default_start_power_step(ide_drive_t *drive,
static void setup_driver_defaults (ide_driver_t *d)
{
- if (d->cleanup == NULL) d->cleanup = default_cleanup;
+ BUG_ON(d->attach == NULL || d->cleanup == NULL);
+
if (d->do_request == NULL) d->do_request = default_do_request;
if (d->end_request == NULL) d->end_request = default_end_request;
- if (d->sense == NULL) d->sense = default_sense;
if (d->error == NULL) d->error = default_error;
if (d->abort == NULL) d->abort = default_abort;
if (d->pre_reset == NULL) d->pre_reset = default_pre_reset;
if (d->capacity == NULL) d->capacity = default_capacity;
if (d->special == NULL) d->special = default_special;
- if (d->attach == NULL) d->attach = default_attach;
if (d->start_power_step == NULL)
d->start_power_step = default_start_power_step;
}
drive->dsc_overlap = (drive->next != drive && driver->supports_dsc_overlap);
drive->nice1 = 1;
}
- drive->suspend_reset = 0;
#ifdef CONFIG_PROC_FS
if (drive->driver != &idedefault_driver) {
ide_add_proc_entries(drive->proc, generic_subdriver_entries, drive);
/*
* This is gets invoked once during initialization, to set *everything* up
*/
-int __init ide_init (void)
+static int __init ide_init(void)
{
printk(KERN_INFO "Uniform Multi-Platform E-IDE driver " REVISION "\n");
devfs_mk_dir("ide");
}
#ifdef MODULE
-char *options = NULL;
-MODULE_PARM(options,"s");
+static char *options = NULL;
+module_param(options, charp, 0);
MODULE_LICENSE("GPL");
static void __init parse_options (char *line)
{
int index;
- for (index = 0; index < MAX_HWIFS; ++index) {
+ for (index = 0; index < MAX_HWIFS; ++index)
ide_unregister(index);
- if (ide_hwifs[index].dma_base)
- (void) ide_release_dma(&ide_hwifs[index]);
- }
#ifdef CONFIG_PROC_FS
proc_ide_destroy();
git://git.onelab.eu / linux-2.6.git / blobdiff