diff options
Diffstat (limited to 'arch/powerpc/include/asm/eeh.h')
| -rw-r--r-- | arch/powerpc/include/asm/eeh.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/eeh.h b/arch/powerpc/include/asm/eeh.h index 232887721ff4..0666c52b8f14 100644 --- a/arch/powerpc/include/asm/eeh.h +++ b/arch/powerpc/include/asm/eeh.h @@ -31,6 +31,26 @@ struct device_node; #ifdef CONFIG_EEH +/* + * The struct is used to trace the registered EEH operation + * callback functions. Actually, those operation callback + * functions are heavily platform dependent. That means the + * platform should register its own EEH operation callback + * functions before any EEH further operations. + */ +struct eeh_ops { + char *name; + int (*init)(void); + int (*set_option)(struct device_node *dn, int option); + int (*get_pe_addr)(struct device_node *dn); + int (*get_state)(struct device_node *dn, int *state); + int (*reset)(struct device_node *dn, int option); + int (*wait_state)(struct device_node *dn, int max_wait); + int (*get_log)(struct device_node *dn, int severity, char *drv_log, unsigned long len); + int (*configure_bridge)(struct device_node *dn); +}; + +extern struct eeh_ops *eeh_ops; extern int eeh_subsystem_enabled; /* Values for eeh_mode bits in device_node */ @@ -47,6 +67,11 @@ extern int eeh_subsystem_enabled; #define EEH_MAX_ALLOWED_FREEZES 5 void __init eeh_init(void); +#ifdef CONFIG_PPC_PSERIES +int __init eeh_pseries_init(void); +#endif +int __init eeh_ops_register(struct eeh_ops *ops); +int __exit eeh_ops_unregister(const char *name); unsigned long eeh_check_failure(const volatile void __iomem *token, unsigned long val); int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev); @@ -73,6 +98,13 @@ void eeh_remove_bus_device(struct pci_dev *); #else /* !CONFIG_EEH */ static inline void eeh_init(void) { } +#ifdef CONFIG_PPC_PSERIES +static inline int eeh_pseries_init(void) +{ + return 0; +} +#endif /* CONFIG_PPC_PSERIES */ + static inline unsigned long eeh_check_failure(const volatile void __iomem *token, unsigned long val) { return val; |