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path: root/drivers/scsi/isci/host.h
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Diffstat (limited to 'drivers/scsi/isci/host.h')
-rw-r--r--drivers/scsi/isci/host.h27
1 files changed, 26 insertions, 1 deletions
diff --git a/drivers/scsi/isci/host.h b/drivers/scsi/isci/host.h
index 646051afd3cb..5477f0fa8233 100644
--- a/drivers/scsi/isci/host.h
+++ b/drivers/scsi/isci/host.h
@@ -435,11 +435,36 @@ static inline bool is_b0(struct pci_dev *pdev)
static inline bool is_c0(struct pci_dev *pdev)
{
- if (pdev->revision >= 5)
+ if (pdev->revision == 5)
return true;
return false;
}
+static inline bool is_c1(struct pci_dev *pdev)
+{
+ if (pdev->revision >= 6)
+ return true;
+ return false;
+}
+
+enum cable_selections {
+ short_cable = 0,
+ long_cable = 1,
+ medium_cable = 2,
+ undefined_cable = 3
+};
+
+#define CABLE_OVERRIDE_DISABLED (0x10000)
+
+static inline int is_cable_select_overridden(void)
+{
+ return cable_selection_override < CABLE_OVERRIDE_DISABLED;
+}
+
+enum cable_selections decode_cable_selection(struct isci_host *ihost, int phy);
+void validate_cable_selections(struct isci_host *ihost);
+char *lookup_cable_names(enum cable_selections);
+
/* set hw control for 'activity', even though active enclosures seem to drive
* the activity led on their own. Skip setting FSENG control on 'status' due
* to unexpected operation and 'error' due to not being a supported automatic