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path: root/drivers/scsi/libata-eh.c
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Diffstat (limited to 'drivers/scsi/libata-eh.c')
-rw-r--r--drivers/scsi/libata-eh.c63
1 files changed, 37 insertions, 26 deletions
diff --git a/drivers/scsi/libata-eh.c b/drivers/scsi/libata-eh.c
index 823385981a7a..bf5a72aca8a4 100644
--- a/drivers/scsi/libata-eh.c
+++ b/drivers/scsi/libata-eh.c
@@ -93,6 +93,38 @@ static int ata_ering_map(struct ata_ering *ering,
93 return rc; 93 return rc;
94} 94}
95 95
96static unsigned int ata_eh_dev_action(struct ata_device *dev)
97{
98 struct ata_eh_context *ehc = &dev->ap->eh_context;
99
100 return ehc->i.action | ehc->i.dev_action[dev->devno];
101}
102
103static void ata_eh_clear_action(struct ata_device *dev,
104 struct ata_eh_info *ehi, unsigned int action)
105{
106 int i;
107
108 if (!dev) {
109 ehi->action &= ~action;
110 for (i = 0; i < ATA_MAX_DEVICES; i++)
111 ehi->dev_action[i] &= ~action;
112 } else {
113 /* doesn't make sense for port-wide EH actions */
114 WARN_ON(!(action & ATA_EH_PERDEV_MASK));
115
116 /* break ehi->action into ehi->dev_action */
117 if (ehi->action & action) {
118 for (i = 0; i < ATA_MAX_DEVICES; i++)
119 ehi->dev_action[i] |= ehi->action & action;
120 ehi->action &= ~action;
121 }
122
123 /* turn off the specified per-dev action */
124 ehi->dev_action[dev->devno] &= ~action;
125 }
126}
127
96/** 128/**
97 * ata_scsi_timed_out - SCSI layer time out callback 129 * ata_scsi_timed_out - SCSI layer time out callback
98 * @cmd: timed out SCSI command 130 * @cmd: timed out SCSI command
@@ -702,32 +734,11 @@ static void ata_eh_detach_dev(struct ata_device *dev)
702 ap->flags |= ATA_FLAG_SCSI_HOTPLUG; 734 ap->flags |= ATA_FLAG_SCSI_HOTPLUG;
703 } 735 }
704 736
705 spin_unlock_irqrestore(ap->lock, flags); 737 /* clear per-dev EH actions */
706} 738 ata_eh_clear_action(dev, &ap->eh_info, ATA_EH_PERDEV_MASK);
707 739 ata_eh_clear_action(dev, &ap->eh_context.i, ATA_EH_PERDEV_MASK);
708static void ata_eh_clear_action(struct ata_device *dev,
709 struct ata_eh_info *ehi, unsigned int action)
710{
711 int i;
712 740
713 if (!dev) { 741 spin_unlock_irqrestore(ap->lock, flags);
714 ehi->action &= ~action;
715 for (i = 0; i < ATA_MAX_DEVICES; i++)
716 ehi->dev_action[i] &= ~action;
717 } else {
718 /* doesn't make sense for port-wide EH actions */
719 WARN_ON(!(action & ATA_EH_PERDEV_MASK));
720
721 /* break ehi->action into ehi->dev_action */
722 if (ehi->action & action) {
723 for (i = 0; i < ATA_MAX_DEVICES; i++)
724 ehi->dev_action[i] |= ehi->action & action;
725 ehi->action &= ~action;
726 }
727
728 /* turn off the specified per-dev action */
729 ehi->dev_action[dev->devno] &= ~action;
730 }
731} 742}
732 743
733/** 744/**
@@ -1592,7 +1603,7 @@ static int ata_eh_revalidate_and_attach(struct ata_port *ap,
1592 unsigned int action; 1603 unsigned int action;
1593 1604
1594 dev = &ap->device[i]; 1605 dev = &ap->device[i];
1595 action = ehc->i.action | ehc->i.dev_action[dev->devno]; 1606 action = ata_eh_dev_action(dev);
1596 1607
1597 if (action & ATA_EH_REVALIDATE && ata_dev_enabled(dev)) { 1608 if (action & ATA_EH_REVALIDATE && ata_dev_enabled(dev)) {
1598 if (ata_port_offline(ap)) { 1609 if (ata_port_offline(ap)) {