1 #ifndef __S390_ASM_SIGP_H 2 #define __S390_ASM_SIGP_H 3 4 /* SIGP order codes */ 5 #define SIGP_SENSE 1 6 #define SIGP_EXTERNAL_CALL 2 7 #define SIGP_EMERGENCY_SIGNAL 3 8 #define SIGP_START 4 9 #define SIGP_STOP 5 10 #define SIGP_RESTART 6 11 #define SIGP_STOP_AND_STORE_STATUS 9 12 #define SIGP_INITIAL_CPU_RESET 11 13 #define SIGP_SET_PREFIX 13 14 #define SIGP_STORE_STATUS_AT_ADDRESS 14 15 #define SIGP_SET_ARCHITECTURE 18 16 #define SIGP_COND_EMERGENCY_SIGNAL 19 17 #define SIGP_SENSE_RUNNING 21 18 19 /* SIGP condition codes */ 20 #define SIGP_CC_ORDER_CODE_ACCEPTED 0 21 #define SIGP_CC_STATUS_STORED 1 22 #define SIGP_CC_BUSY 2 23 #define SIGP_CC_NOT_OPERATIONAL 3 24 25 /* SIGP cpu status bits */ 26 27 #define SIGP_STATUS_CHECK_STOP 0x00000010UL 28 #define SIGP_STATUS_STOPPED 0x00000040UL 29 #define SIGP_STATUS_EXT_CALL_PENDING 0x00000080UL 30 #define SIGP_STATUS_INVALID_PARAMETER 0x00000100UL 31 #define SIGP_STATUS_INCORRECT_STATE 0x00000200UL 32 #define SIGP_STATUS_NOT_RUNNING 0x00000400UL 33 34 #ifndef __ASSEMBLY__ 35 36 static inline int __pcpu_sigp(u16 addr, u8 order, u32 parm, u32 *status) 37 { 38 register unsigned int reg1 asm ("1") = parm; 39 int cc; 40 41 asm volatile( 42 " sigp %1,%2,0(%3)\n" 43 " ipm %0\n" 44 " srl %0,28\n" 45 : "=d" (cc), "+d" (reg1) : "d" (addr), "a" (order) : "cc"); 46 if (status && cc == 1) 47 *status = reg1; 48 return cc; 49 } 50 51 #endif /* __ASSEMBLY__ */ 52 53 #endif /* __S390_ASM_SIGP_H */ 54