2 * Routines and structures for signalling other processors.
4 * Copyright IBM Corp. 1999,2010
5 * Author(s): Denis Joseph Barrow,
6 * Martin Schwidefsky <schwidefsky@de.ibm.com>,
7 * Heiko Carstens <heiko.carstens@de.ibm.com>,
13 #include <asm/system.h>
15 /* Get real cpu address from logical cpu number. */
16 extern unsigned short __cpu_logical_map[];
18 static inline int cpu_logical_map(int cpu)
21 return __cpu_logical_map[cpu];
31 sigp_emergency_signal,
37 sigp_stop_and_store_status,
39 sigp_initial_cpu_reset,
42 sigp_store_status_at_address,
43 sigp_store_extended_status_at_address
47 sigp_order_code_accepted=0,
54 * Definitions for external call.
59 ec_call_function_single,
66 static inline int raw_sigp(u16 cpu, int order)
68 register unsigned long reg1 asm ("1") = 0;
76 : "d" (reg1), "d" (cpu),
77 "a" (order) : "cc" , "memory");
82 * Signal processor with parameter.
84 static inline int raw_sigp_p(u32 parameter, u16 cpu, int order)
86 register unsigned int reg1 asm ("1") = parameter;
94 : "d" (reg1), "d" (cpu),
95 "a" (order) : "cc" , "memory");
100 * Signal processor with parameter and return status.
102 static inline int raw_sigp_ps(u32 *status, u32 parm, u16 cpu, int order)
104 register unsigned int reg1 asm ("1") = parm;
108 " sigp %1,%2,0(%3)\n"
111 : "=d" (ccode), "+d" (reg1)
112 : "d" (cpu), "a" (order)
118 static inline int sigp(int cpu, int order)
120 return raw_sigp(cpu_logical_map(cpu), order);
123 static inline int sigp_p(u32 parameter, int cpu, int order)
125 return raw_sigp_p(parameter, cpu_logical_map(cpu), order);
128 static inline int sigp_ps(u32 *status, u32 parm, int cpu, int order)
130 return raw_sigp_ps(status, parm, cpu_logical_map(cpu), order);
133 #endif /* __ASM_SIGP_H */