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-rw-r--r--drivers/ide/ide-io.c68
-rw-r--r--drivers/ide/ide-iops.c8
-rw-r--r--drivers/ide/ide-lib.c69
3 files changed, 84 insertions, 61 deletions
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 48c38b68bd36..e053e00a7058 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -297,6 +297,48 @@ static void ide_complete_pm_request (ide_drive_t *drive, struct request *rq)
spin_unlock_irqrestore(&ide_lock, flags);
}
+void ide_tf_read(ide_drive_t *drive, ide_task_t *task)
+{
+ ide_hwif_t *hwif = drive->hwif;
+ struct ide_taskfile *tf = &task->tf;
+
+ if (task->tf_flags & IDE_TFLAG_IN_DATA) {
+ u16 data = hwif->INW(IDE_DATA_REG);
+
+ tf->data = data & 0xff;
+ tf->hob_data = (data >> 8) & 0xff;
+ }
+
+ /* be sure we're looking at the low order bits */
+ hwif->OUTB(drive->ctl & ~0x80, IDE_CONTROL_REG);
+
+ if (task->tf_flags & IDE_TFLAG_IN_NSECT)
+ tf->nsect = hwif->INB(IDE_NSECTOR_REG);
+ if (task->tf_flags & IDE_TFLAG_IN_LBAL)
+ tf->lbal = hwif->INB(IDE_SECTOR_REG);
+ if (task->tf_flags & IDE_TFLAG_IN_LBAM)
+ tf->lbam = hwif->INB(IDE_LCYL_REG);
+ if (task->tf_flags & IDE_TFLAG_IN_LBAH)
+ tf->lbah = hwif->INB(IDE_HCYL_REG);
+ if (task->tf_flags & IDE_TFLAG_IN_DEVICE)
+ tf->device = hwif->INB(IDE_SELECT_REG);
+
+ if (task->tf_flags & IDE_TFLAG_LBA48) {
+ hwif->OUTB(drive->ctl | 0x80, IDE_CONTROL_REG);
+
+ if (task->tf_flags & IDE_TFLAG_IN_HOB_FEATURE)
+ tf->hob_feature = hwif->INB(IDE_FEATURE_REG);
+ if (task->tf_flags & IDE_TFLAG_IN_HOB_NSECT)
+ tf->hob_nsect = hwif->INB(IDE_NSECTOR_REG);
+ if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAL)
+ tf->hob_lbal = hwif->INB(IDE_SECTOR_REG);
+ if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAM)
+ tf->hob_lbam = hwif->INB(IDE_LCYL_REG);
+ if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAH)
+ tf->hob_lbah = hwif->INB(IDE_HCYL_REG);
+ }
+}
+
/**
* ide_end_drive_cmd - end an explicit drive command
* @drive: command
@@ -339,30 +381,14 @@ void ide_end_drive_cmd (ide_drive_t *drive, u8 stat, u8 err)
if (args) {
struct ide_taskfile *tf = &args->tf;
- if (args->tf_flags & IDE_TFLAG_IN_DATA) {
- u16 data = hwif->INW(IDE_DATA_REG);
-
- tf->data = data & 0xff;
- tf->hob_data = (data >> 8) & 0xff;
- }
tf->error = err;
- /* be sure we're looking at the low order bits */
- hwif->OUTB(drive->ctl & ~0x80, IDE_CONTROL_REG);
- tf->nsect = hwif->INB(IDE_NSECTOR_REG);
- tf->lbal = hwif->INB(IDE_SECTOR_REG);
- tf->lbam = hwif->INB(IDE_LCYL_REG);
- tf->lbah = hwif->INB(IDE_HCYL_REG);
- tf->device = hwif->INB(IDE_SELECT_REG);
tf->status = stat;
- if (args->tf_flags & IDE_TFLAG_LBA48) {
- hwif->OUTB(drive->ctl|0x80, IDE_CONTROL_REG);
- tf->hob_feature = hwif->INB(IDE_FEATURE_REG);
- tf->hob_nsect = hwif->INB(IDE_NSECTOR_REG);
- tf->hob_lbal = hwif->INB(IDE_SECTOR_REG);
- tf->hob_lbam = hwif->INB(IDE_LCYL_REG);
- tf->hob_lbah = hwif->INB(IDE_HCYL_REG);
- }
+ args->tf_flags |= (IDE_TFLAG_IN_TF|IDE_TFLAG_IN_DEVICE);
+ if (args->tf_flags & IDE_TFLAG_LBA48)
+ args->tf_flags |= IDE_TFLAG_IN_HOB;
+
+ ide_tf_read(drive, args);
}
} else if (blk_pm_request(rq)) {
struct request_pm_state *pm = rq->data;
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index 38d6b15d6c47..c97c0719ddf1 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -158,14 +158,6 @@ void default_hwif_mmiops (ide_hwif_t *hwif)
EXPORT_SYMBOL(default_hwif_mmiops);
-u32 ide_read_24 (ide_drive_t *drive)
-{
- u8 sect = HWIF(drive)->INB(IDE_SECTOR_REG);
- u8 lcyl = HWIF(drive)->INB(IDE_LCYL_REG);
- u8 hcyl = HWIF(drive)->INB(IDE_HCYL_REG);
- return (hcyl<<16)|(lcyl<<8)|sect;
-}
-
void SELECT_DRIVE (ide_drive_t *drive)
{
if (HWIF(drive)->selectproc)
diff --git a/drivers/ide/ide-lib.c b/drivers/ide/ide-lib.c
index 001085845a79..15736d4ce9b4 100644
--- a/drivers/ide/ide-lib.c
+++ b/drivers/ide/ide-lib.c
@@ -479,6 +479,42 @@ static void ide_dump_opcode(ide_drive_t *drive)
printk("0x%02x\n", opcode);
}
+static u64 ide_get_lba_addr(struct ide_taskfile *tf, int lba48)
+{
+ u32 high, low;
+
+ 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;
+}
+
+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", ide_get_lba_addr(tf, lba48));
+ else
+ printk(", CHS=%d/%d/%d", (tf->lbah << 8) + tf->lbam,
+ tf->device & 0xf, tf->lbal);
+}
+
static u8 ide_dump_ata_status(ide_drive_t *drive, const char *msg, u8 stat)
{
ide_hwif_t *hwif = HWIF(drive);
@@ -512,38 +548,7 @@ static u8 ide_dump_ata_status(ide_drive_t *drive, const char *msg, u8 stat)
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;
- hwif->OUTB(drive->ctl&~0x80, IDE_CONTROL_REG);
- 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 sector, lcyl, hcyl, cur;
-
- sector = hwif->INB(IDE_SECTOR_REG);
- lcyl = hwif->INB(IDE_LCYL_REG);
- hcyl = hwif->INB(IDE_HCYL_REG);
- cur = hwif->INB(IDE_SELECT_REG);
-
- if (cur & 0x40) { /* using LBA? */
- printk(", LBAsect=%ld", (unsigned long)
- ((cur & 0xf) << 24) |
- (hcyl << 16) |
- (lcyl << 8) |
- sector);
- } else {
- printk(", CHS=%d/%d/%d",
- (hcyl << 8) + lcyl,
- cur & 0xf,
- sector);
- }
- }
+ ide_dump_sector(drive);
if (HWGROUP(drive) && HWGROUP(drive)->rq)
printk(", sector=%llu",
(unsigned long long)HWGROUP(drive)->rq->sector);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-22 05:12:50 +0100