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_CPU_RESET 12 14 #define SIGP_SET_PREFIX 13 15 #define SIGP_STORE_STATUS_AT_ADDRESS 14 16 #define SIGP_SET_ARCHITECTURE 18 17 #define SIGP_COND_EMERGENCY_SIGNAL 19 18 #define SIGP_SENSE_RUNNING 21 19 #define SIGP_SET_MULTI_THREADING 22 20 #define SIGP_STORE_ADDITIONAL_STATUS 23 21 22 /* SIGP condition codes */ 23 #define SIGP_CC_ORDER_CODE_ACCEPTED 0 24 #define SIGP_CC_STATUS_STORED 1 25 #define SIGP_CC_BUSY 2 26 #define SIGP_CC_NOT_OPERATIONAL 3 27 28 /* SIGP cpu status bits */ 29 30 #define SIGP_STATUS_INVALID_ORDER 0x00000002UL 31 #define SIGP_STATUS_CHECK_STOP 0x00000010UL 32 #define SIGP_STATUS_STOPPED 0x00000040UL 33 #define SIGP_STATUS_EXT_CALL_PENDING 0x00000080UL 34 #define SIGP_STATUS_INVALID_PARAMETER 0x00000100UL 35 #define SIGP_STATUS_INCORRECT_STATE 0x00000200UL 36 #define SIGP_STATUS_NOT_RUNNING 0x00000400UL 37 38 #ifndef __ASSEMBLY__ 39 40 static inline int ____pcpu_sigp(u16 addr, u8 order, unsigned long parm, 41 u32 *status) 42 { 43 register unsigned long reg1 asm ("1") = parm; 44 int cc; 45 46 asm volatile( 47 " sigp %1,%2,0(%3)\n" 48 " ipm %0\n" 49 " srl %0,28\n" 50 : "=d" (cc), "+d" (reg1) : "d" (addr), "a" (order) : "cc"); 51 *status = reg1; 52 return cc; 53 } 54 55 static inline int __pcpu_sigp(u16 addr, u8 order, unsigned long parm, 56 u32 *status) 57 { 58 u32 _status; 59 int cc; 60 61 cc = ____pcpu_sigp(addr, order, parm, &_status); 62 if (status && cc == 1) 63 *status = _status; 64 return cc; 65 } 66 67 #endif /* __ASSEMBLY__ */ 68 69 #endif /* __S390_ASM_SIGP_H */ 70