#ifndef _PPC64_EEH_H
#define _PPC64_EEH_H
+#ifdef __KERNEL__
#include <linux/config.h>
#include <linux/init.h>
#ifdef CONFIG_EEH
+extern int eeh_subsystem_enabled;
+
/* Values for eeh_mode bits in device_node */
-#define EEH_MODE_SUPPORTED (1<<0)
-#define EEH_MODE_NOCHECK (1<<1)
-#define EEH_MODE_ISOLATED (1<<2)
+#define EEH_MODE_SUPPORTED (1<<0)
+#define EEH_MODE_NOCHECK (1<<1)
+#define EEH_MODE_ISOLATED (1<<2)
+#define EEH_MODE_RECOVERING (1<<3)
+#define EEH_MODE_IRQ_DISABLED (1<<4)
/* Max number of EEH freezes allowed before we consider the device
* to be permanently disabled. */
* to finish the eeh setup for this device.
*/
void eeh_add_device_early(struct device_node *);
+void eeh_add_device_tree_early(struct device_node *);
void eeh_add_device_late(struct pci_dev *);
/**
*/
void eeh_remove_device(struct pci_dev *);
+/**
+ * eeh_remove_device_recursive - undo EEH for device & children.
+ * @dev: pci device to be removed
+ *
+ * As above, this removes the device; it also removes child
+ * pci devices as well.
+ */
+void eeh_remove_bus_device(struct pci_dev *);
+
/**
* EEH_POSSIBLE_ERROR() -- test for possible MMIO failure.
*
* If this macro yields TRUE, the caller relays to eeh_check_failure()
* which does further tests out of line.
*/
-#define EEH_POSSIBLE_ERROR(val, type) ((val) == (type)~0)
+#define EEH_POSSIBLE_ERROR(val, type) ((val) == (type)~0 && eeh_subsystem_enabled)
/*
* Reads from a device which has been isolated by EEH will return
static inline void eeh_remove_device(struct pci_dev *dev) { }
+static inline void eeh_add_device_tree_early(struct device_node *dn) { }
+
+static inline void eeh_remove_bus_device(struct pci_dev *dev) { }
#define EEH_POSSIBLE_ERROR(val, type) (0)
#define EEH_IO_ERROR_VALUE(size) (-1UL)
#endif /* CONFIG_EEH */
eeh_check_failure((void __iomem *)(port), *(u32*)buf);
}
+#endif /* __KERNEL__ */
#endif /* _PPC64_EEH_H */