1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _S390_UAPI_RUNTIME_INSTR_H
3 #define _S390_UAPI_RUNTIME_INSTR_H
4
5 #include <linux/types.h>
6
7 #define S390_RUNTIME_INSTR_START 0x1
8 #define S390_RUNTIME_INSTR_STOP 0x2
9
10 struct runtime_instr_cb {
11 __u64 rca;
12 __u64 roa;
13 __u64 rla;
14
15 __u32 v : 1;
16 __u32 s : 1;
17 __u32 k : 1;
18 __u32 h : 1;
19 __u32 a : 1;
20 __u32 reserved1 : 3;
21 __u32 ps : 1;
22 __u32 qs : 1;
23 __u32 pc : 1;
24 __u32 qc : 1;
25 __u32 reserved2 : 1;
26 __u32 g : 1;
27 __u32 u : 1;
28 __u32 l : 1;
29 __u32 key : 4;
30 __u32 reserved3 : 8;
31 __u32 t : 1;
32 __u32 rgs : 3;
33
34 __u32 m : 4;
35 __u32 n : 1;
36 __u32 mae : 1;
37 __u32 reserved4 : 2;
38 __u32 c : 1;
39 __u32 r : 1;
40 __u32 b : 1;
41 __u32 j : 1;
42 __u32 e : 1;
43 __u32 x : 1;
44 __u32 reserved5 : 2;
45 __u32 bpxn : 1;
46 __u32 bpxt : 1;
47 __u32 bpti : 1;
48 __u32 bpni : 1;
49 __u32 reserved6 : 2;
50
51 __u32 d : 1;
52 __u32 f : 1;
53 __u32 ic : 4;
54 __u32 dc : 4;
55
56 __u64 reserved7;
57 __u64 sf;
58 __u64 rsic;
59 __u64 reserved8;
60 } __attribute__((__packed__, __aligned__(8)));
61
62 static inline void load_runtime_instr_cb(struct runtime_instr_cb *cb)
63 {
64 asm volatile(".insn rsy,0xeb0000000060,0,0,%0" /* LRIC */
65 : : "Q" (*cb));
66 }
67
68 static inline void store_runtime_instr_cb(struct runtime_instr_cb *cb)
69 {
70 asm volatile(".insn rsy,0xeb0000000061,0,0,%0" /* STRIC */
71 : "=Q" (*cb) : : "cc");
72 }
73
74 #endif /* _S390_UAPI_RUNTIME_INSTR_H */
75
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