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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_CHECK_STOP		0x00000010UL
31 #define SIGP_STATUS_STOPPED		0x00000040UL
32 #define SIGP_STATUS_EXT_CALL_PENDING	0x00000080UL
33 #define SIGP_STATUS_INVALID_PARAMETER	0x00000100UL
34 #define SIGP_STATUS_INCORRECT_STATE	0x00000200UL
35 #define SIGP_STATUS_NOT_RUNNING		0x00000400UL
36 
37 #ifndef __ASSEMBLY__
38 
__pcpu_sigp(u16 addr,u8 order,unsigned long parm,u32 * status)39 static inline int __pcpu_sigp(u16 addr, u8 order, unsigned long parm,
40 			      u32 *status)
41 {
42 	register unsigned long reg1 asm ("1") = parm;
43 	int cc;
44 
45 	asm volatile(
46 		"	sigp	%1,%2,0(%3)\n"
47 		"	ipm	%0\n"
48 		"	srl	%0,28\n"
49 		: "=d" (cc), "+d" (reg1) : "d" (addr), "a" (order) : "cc");
50 	if (status && cc == 1)
51 		*status = reg1;
52 	return cc;
53 }
54 
55 #endif /* __ASSEMBLY__ */
56 
57 #endif /* __S390_ASM_SIGP_H */
58