1*b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 29b747530SHeiko Carstens #ifndef __S390_ASM_SIGP_H 39b747530SHeiko Carstens #define __S390_ASM_SIGP_H 49b747530SHeiko Carstens 59b747530SHeiko Carstens /* SIGP order codes */ 69b747530SHeiko Carstens #define SIGP_SENSE 1 79b747530SHeiko Carstens #define SIGP_EXTERNAL_CALL 2 89b747530SHeiko Carstens #define SIGP_EMERGENCY_SIGNAL 3 958bc33b2SThomas Huth #define SIGP_START 4 109b747530SHeiko Carstens #define SIGP_STOP 5 119b747530SHeiko Carstens #define SIGP_RESTART 6 129b747530SHeiko Carstens #define SIGP_STOP_AND_STORE_STATUS 9 139b747530SHeiko Carstens #define SIGP_INITIAL_CPU_RESET 11 14b8983830SDavid Hildenbrand #define SIGP_CPU_RESET 12 159b747530SHeiko Carstens #define SIGP_SET_PREFIX 13 169b747530SHeiko Carstens #define SIGP_STORE_STATUS_AT_ADDRESS 14 179b747530SHeiko Carstens #define SIGP_SET_ARCHITECTURE 18 18b13d3580SThomas Huth #define SIGP_COND_EMERGENCY_SIGNAL 19 199b747530SHeiko Carstens #define SIGP_SENSE_RUNNING 21 2010ad34bcSMartin Schwidefsky #define SIGP_SET_MULTI_THREADING 22 21a62bc073SMichael Holzheu #define SIGP_STORE_ADDITIONAL_STATUS 23 229b747530SHeiko Carstens 239b747530SHeiko Carstens /* SIGP condition codes */ 249b747530SHeiko Carstens #define SIGP_CC_ORDER_CODE_ACCEPTED 0 259b747530SHeiko Carstens #define SIGP_CC_STATUS_STORED 1 269b747530SHeiko Carstens #define SIGP_CC_BUSY 2 279b747530SHeiko Carstens #define SIGP_CC_NOT_OPERATIONAL 3 289b747530SHeiko Carstens 299b747530SHeiko Carstens /* SIGP cpu status bits */ 309b747530SHeiko Carstens 31bd50e8ecSDavid Hildenbrand #define SIGP_STATUS_INVALID_ORDER 0x00000002UL 329b747530SHeiko Carstens #define SIGP_STATUS_CHECK_STOP 0x00000010UL 339b747530SHeiko Carstens #define SIGP_STATUS_STOPPED 0x00000040UL 3421b26c08SCornelia Huck #define SIGP_STATUS_EXT_CALL_PENDING 0x00000080UL 359b747530SHeiko Carstens #define SIGP_STATUS_INVALID_PARAMETER 0x00000100UL 369b747530SHeiko Carstens #define SIGP_STATUS_INCORRECT_STATE 0x00000200UL 379b747530SHeiko Carstens #define SIGP_STATUS_NOT_RUNNING 0x00000400UL 389b747530SHeiko Carstens 39e7c46c66SHeiko Carstens #ifndef __ASSEMBLY__ 40e7c46c66SHeiko Carstens 4180a60f6eSHeiko Carstens static inline int ____pcpu_sigp(u16 addr, u8 order, unsigned long parm, 42a62bc073SMichael Holzheu u32 *status) 43e7c46c66SHeiko Carstens { 44a62bc073SMichael Holzheu register unsigned long reg1 asm ("1") = parm; 45e7c46c66SHeiko Carstens int cc; 46e7c46c66SHeiko Carstens 47e7c46c66SHeiko Carstens asm volatile( 48e7c46c66SHeiko Carstens " sigp %1,%2,0(%3)\n" 49e7c46c66SHeiko Carstens " ipm %0\n" 50e7c46c66SHeiko Carstens " srl %0,28\n" 51e7c46c66SHeiko Carstens : "=d" (cc), "+d" (reg1) : "d" (addr), "a" (order) : "cc"); 52e7c46c66SHeiko Carstens *status = reg1; 53e7c46c66SHeiko Carstens return cc; 54e7c46c66SHeiko Carstens } 55e7c46c66SHeiko Carstens 5680a60f6eSHeiko Carstens static inline int __pcpu_sigp(u16 addr, u8 order, unsigned long parm, 5780a60f6eSHeiko Carstens u32 *status) 5880a60f6eSHeiko Carstens { 5980a60f6eSHeiko Carstens u32 _status; 6080a60f6eSHeiko Carstens int cc; 6180a60f6eSHeiko Carstens 6280a60f6eSHeiko Carstens cc = ____pcpu_sigp(addr, order, parm, &_status); 63bf10b668SHeiko Carstens if (status && cc == SIGP_CC_STATUS_STORED) 6480a60f6eSHeiko Carstens *status = _status; 6580a60f6eSHeiko Carstens return cc; 6680a60f6eSHeiko Carstens } 6780a60f6eSHeiko Carstens 68e7c46c66SHeiko Carstens #endif /* __ASSEMBLY__ */ 69e7c46c66SHeiko Carstens 709b747530SHeiko Carstens #endif /* __S390_ASM_SIGP_H */ 71