Commit | Line | Data |
---|---|---|
e4b8b3f3 JG |
1 | #ifndef _RUNTIME_INSTR_H |
2 | #define _RUNTIME_INSTR_H | |
3 | ||
4 | #define S390_RUNTIME_INSTR_START 0x1 | |
5 | #define S390_RUNTIME_INSTR_STOP 0x2 | |
6 | ||
7 | struct runtime_instr_cb { | |
8 | __u64 buf_current; | |
9 | __u64 buf_origin; | |
10 | __u64 buf_limit; | |
11 | ||
12 | __u32 valid : 1; | |
13 | __u32 pstate : 1; | |
14 | __u32 pstate_set_buf : 1; | |
15 | __u32 home_space : 1; | |
16 | __u32 altered : 1; | |
17 | __u32 : 3; | |
18 | __u32 pstate_sample : 1; | |
19 | __u32 sstate_sample : 1; | |
20 | __u32 pstate_collect : 1; | |
21 | __u32 sstate_collect : 1; | |
22 | __u32 : 1; | |
23 | __u32 halted_int : 1; | |
24 | __u32 int_requested : 1; | |
25 | __u32 buffer_full_int : 1; | |
26 | __u32 key : 4; | |
27 | __u32 : 9; | |
28 | __u32 rgs : 3; | |
29 | ||
30 | __u32 mode : 4; | |
31 | __u32 next : 1; | |
32 | __u32 mae : 1; | |
33 | __u32 : 2; | |
34 | __u32 call_type_br : 1; | |
35 | __u32 return_type_br : 1; | |
36 | __u32 other_type_br : 1; | |
37 | __u32 bc_other_type : 1; | |
38 | __u32 emit : 1; | |
39 | __u32 tx_abort : 1; | |
40 | __u32 : 2; | |
41 | __u32 bp_xn : 1; | |
42 | __u32 bp_xt : 1; | |
43 | __u32 bp_ti : 1; | |
44 | __u32 bp_ni : 1; | |
45 | __u32 suppr_y : 1; | |
46 | __u32 suppr_z : 1; | |
47 | ||
48 | __u32 dc_miss_extra : 1; | |
49 | __u32 lat_lev_ignore : 1; | |
50 | __u32 ic_lat_lev : 4; | |
51 | __u32 dc_lat_lev : 4; | |
52 | ||
53 | __u64 reserved1; | |
54 | __u64 scaling_factor; | |
55 | __u64 rsic; | |
56 | __u64 reserved2; | |
57 | } __packed __aligned(8); | |
58 | ||
59 | extern struct runtime_instr_cb runtime_instr_empty_cb; | |
60 | ||
61 | static inline void load_runtime_instr_cb(struct runtime_instr_cb *cb) | |
62 | { | |
63 | asm volatile(".insn rsy,0xeb0000000060,0,0,%0" /* LRIC */ | |
64 | : : "Q" (*cb)); | |
65 | } | |
66 | ||
67 | static inline void store_runtime_instr_cb(struct runtime_instr_cb *cb) | |
68 | { | |
69 | asm volatile(".insn rsy,0xeb0000000061,0,0,%0" /* STRIC */ | |
70 | : "=Q" (*cb) : : "cc"); | |
71 | } | |
72 | ||
73 | static inline void save_ri_cb(struct runtime_instr_cb *cb_prev) | |
74 | { | |
e4b8b3f3 JG |
75 | if (cb_prev) |
76 | store_runtime_instr_cb(cb_prev); | |
e4b8b3f3 JG |
77 | } |
78 | ||
79 | static inline void restore_ri_cb(struct runtime_instr_cb *cb_next, | |
80 | struct runtime_instr_cb *cb_prev) | |
81 | { | |
e4b8b3f3 JG |
82 | if (cb_next) |
83 | load_runtime_instr_cb(cb_next); | |
84 | else if (cb_prev) | |
85 | load_runtime_instr_cb(&runtime_instr_empty_cb); | |
e4b8b3f3 JG |
86 | } |
87 | ||
5a79859a | 88 | void exit_thread_runtime_instr(void); |
e4b8b3f3 JG |
89 | |
90 | #endif /* _RUNTIME_INSTR_H */ |