and changed files

[powerpc.git] / include / asm-powerpc / rtas.h

diff --git a/include/asm-powerpc/rtas.h b/include/asm-powerpc/rtas.h
index 82a27e9..8eaa7b2 100644 (file)
--- a/include/asm-powerpc/rtas.h
+++ b/include/asm-powerpc/rtas.h
@@ -54,8 +54,6 @@ struct rtas_args {
        rtas_arg_t *rets;     /* Pointer to return values in args[]. */
 };  
 
-extern struct rtas_args rtas_stop_self_args;
-
 struct rtas_t {
        unsigned long entry;            /* physical address pointer */
        unsigned long base;             /* physical address pointer */
@@ -161,6 +159,7 @@ extern struct rtas_t rtas;
 
 extern void enter_rtas(unsigned long);
 extern int rtas_token(const char *service);
+extern int rtas_service_present(const char *service);
 extern int rtas_call(int token, int, int, int *, ...);
 extern void rtas_restart(char *cmd);
 extern void rtas_power_off(void);
@@ -223,12 +222,26 @@ extern int rtas_get_error_log_max(void);
 extern spinlock_t rtas_data_buf_lock;
 extern char rtas_data_buf[RTAS_DATA_BUF_SIZE];
 
-extern void rtas_stop_self(void);
-
 /* RMO buffer reserved for user-space RTAS use */
 extern unsigned long rtas_rmo_buf;
 
 #define GLOBAL_INTERRUPT_QUEUE 9005
 
+/**
+ * rtas_config_addr - Format a busno, devfn and reg for RTAS.
+ * @busno: The bus number.
+ * @devfn: The device and function number as encoded by PCI_DEVFN().
+ * @reg: The register number.
+ *
+ * This function encodes the given busno, devfn and register number as
+ * required for RTAS calls that take a "config_addr" parameter.
+ * See PAPR requirement 7.3.4-1 for more info.
+ */
+static inline u32 rtas_config_addr(int busno, int devfn, int reg)
+{
+       return ((reg & 0xf00) << 20) | ((busno & 0xff) << 16) |
+                       (devfn << 8) | (reg & 0xff);
+}
+
 #endif /* __KERNEL__ */
 #endif /* _POWERPC_RTAS_H */