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libata: implement BROKEN_HPA horkage and apply it to affected drives

Some drives choke on READ_NATIVE_MAX_ADDRESS[_EXT].  Implement
ATA_HORKAGE_BROKEN_HPA and apply it to affected drives.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Tejun Heo 17 年之前
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16c55b0380
共有 2 个文件被更改,包括 9 次插入3 次删除
  1. 8 3
      drivers/ata/libata-core.c
  2. 1 0
      include/linux/libata.h

+ 8 - 3
drivers/ata/libata-core.c

@@ -1911,8 +1911,9 @@ int ata_dev_configure(struct ata_device *dev)
 					dev->flags |= ATA_DFLAG_FLUSH_EXT;
 					dev->flags |= ATA_DFLAG_FLUSH_EXT;
 			}
 			}
 
 
-			if (ata_id_hpa_enabled(dev->id))
-				dev->n_sectors = ata_hpa_resize(dev);
+			if (!(dev->horkage & ATA_HORKAGE_BROKEN_HPA) &&
+			    ata_id_hpa_enabled(dev->id))
+ 				dev->n_sectors = ata_hpa_resize(dev);
 
 
 			/* config NCQ */
 			/* config NCQ */
 			ata_dev_config_ncq(dev, ncq_desc, sizeof(ncq_desc));
 			ata_dev_config_ncq(dev, ncq_desc, sizeof(ncq_desc));
@@ -3795,7 +3796,11 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
 	{ "ST9160821AS",	"3.CLF",	ATA_HORKAGE_NONCQ, },
 	{ "ST9160821AS",	"3.CLF",	ATA_HORKAGE_NONCQ, },
 	{ "SAMSUNG HD401LJ",	"ZZ100-15",	ATA_HORKAGE_NONCQ, },
 	{ "SAMSUNG HD401LJ",	"ZZ100-15",	ATA_HORKAGE_NONCQ, },
 
 
-	/* Devices with NCQ limits */
+	/* devices which puke on READ_NATIVE_MAX */
+	{ "HDS724040KLSA80",	"KFAOA20N",	ATA_HORKAGE_BROKEN_HPA, },
+	{ "WDC WD3200JD-00KLB0", "WD-WCAMR1130137", ATA_HORKAGE_BROKEN_HPA },
+	{ "WDC WD2500JD-00HBB0", "WD-WMAL71490727", ATA_HORKAGE_BROKEN_HPA },
+	{ "MAXTOR 6L080L4",	"A93.0500",	ATA_HORKAGE_BROKEN_HPA },
 
 
 	/* End Marker */
 	/* End Marker */
 	{ }
 	{ }

+ 1 - 0
include/linux/libata.h

@@ -303,6 +303,7 @@ enum {
 	ATA_HORKAGE_NODMA	= (1 << 1),	/* DMA problems */
 	ATA_HORKAGE_NODMA	= (1 << 1),	/* DMA problems */
 	ATA_HORKAGE_NONCQ	= (1 << 2),	/* Don't use NCQ */
 	ATA_HORKAGE_NONCQ	= (1 << 2),	/* Don't use NCQ */
 	ATA_HORKAGE_MAX_SEC_128	= (1 << 3),	/* Limit max sects to 128 */
 	ATA_HORKAGE_MAX_SEC_128	= (1 << 3),	/* Limit max sects to 128 */
+	ATA_HORKAGE_BROKEN_HPA	= (1 << 4),	/* Broken HPA */
 };
 };
 
 
 enum hsm_task_states {
 enum hsm_task_states {