02_libata_ata_dump_status.patch
This patch introduces the ata_dump_status() function, which
for now is called from ata_to_sense_error() only.
Signed-off-by: Brett Russ <[email protected]>
libata-scsi.c | 76 +++++++++++++++++++++++++++++++++-------------------------
1 files changed, 44 insertions(+), 32 deletions(-)
Index: libata-dev-2.6/drivers/scsi/libata-scsi.c
===================================================================
--- libata-dev-2.6.orig/drivers/scsi/libata-scsi.c 2005-03-23 15:35:09.000000000 -0500
+++ libata-dev-2.6/drivers/scsi/libata-scsi.c 2005-03-23 15:35:09.000000000 -0500
@@ -331,6 +331,49 @@ struct ata_queued_cmd *ata_scsi_qc_new(s
}
/**
+ * ata_dump_status - user friendly display of error info
+ * @id: id of the port in question
+ * @tf: ptr to filled out taskfile
+ *
+ * Decode and dump the ATA error/status registers for the user so
+ * that they have some idea what really happened at the non
+ * make-believe layer.
+ *
+ * LOCKING:
+ * inherited from caller
+ */
+void ata_dump_status(unsigned id, u8 stat, u8 err)
+{
+ printk(KERN_WARNING "ata%u: status=0x%02x { ", id, stat);
+ if (stat & ATA_BUSY) {
+ printk("Busy }\n"); /* Data is not valid in this case */
+ } else {
+ if (stat & 0x40) printk("DriveReady ");
+ if (stat & 0x20) printk("DeviceFault ");
+ if (stat & 0x10) printk("SeekComplete ");
+ if (stat & 0x08) printk("DataRequest ");
+ if (stat & 0x04) printk("CorrectedError ");
+ if (stat & 0x02) printk("Index ");
+ if (stat & 0x01) printk("Error ");
+ printk("}\n");
+
+ if (err) {
+ printk(KERN_WARNING "ata%u: error=0x%02x { ", id, err);
+ if (err & 0x04) printk("DriveStatusError ");
+ if (err & 0x80) {
+ if (err & 0x04) printk("BadCRC ");
+ else printk("Sector ");
+ }
+ if (err & 0x40) printk("UncorrectableError ");
+ if (err & 0x10) printk("SectorIdNotFound ");
+ if (err & 0x02) printk("TrackZeroNotFound ");
+ if (err & 0x01) printk("AddrMarkNotFound ");
+ printk("}\n");
+ }
+ }
+}
+
+/**
* ata_to_sense_error - convert ATA error to SCSI error
* @qc: Command that we are erroring out
* @drv_stat: value contained in ATA status register
@@ -400,38 +443,7 @@ void ata_to_sense_error(struct ata_queue
if (drv_stat & ATA_ERR)
err = ata_chk_err(qc->ap); /* Read the err bits */
- /* Display the ATA level error info */
-
- printk(KERN_WARNING "ata%u: status=0x%02x { ", qc->ap->id, drv_stat);
- if (drv_stat & 0x80) {
- printk("Busy ");
- err = 0; /* Data is not valid in this case */
- } else {
- if (drv_stat & 0x40) printk("DriveReady ");
- if (drv_stat & 0x20) printk("DeviceFault ");
- if (drv_stat & 0x10) printk("SeekComplete ");
- if (drv_stat & 0x08) printk("DataRequest ");
- if (drv_stat & 0x04) printk("CorrectedError ");
- if (drv_stat & 0x02) printk("Index ");
- if (drv_stat & 0x01) printk("Error ");
- }
- printk("}\n");
-
- if (err) {
- printk(KERN_WARNING "ata%u: error=0x%02x { ", qc->ap->id, err);
- if (err & 0x04) printk("DriveStatusError ");
- if (err & 0x80) {
- if (err & 0x04) printk("BadCRC ");
- else printk("Sector ");
- }
- if (err & 0x40) printk("UncorrectableError ");
- if (err & 0x10) printk("SectorIdNotFound ");
- if (err & 0x02) printk("TrackZeroNotFound ");
- if (err & 0x01) printk("AddrMarkNotFound ");
- printk("}\n");
-
- /* Should we dump sector info here too ?? */
- }
+ ata_dump_status(qc->ap->id, drv_stat, err);
/* Look for err */
while (sense_table[i][0] != 0xFF) {
-
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