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- #ifndef _RUNTIME_INSTR_H
- #define _RUNTIME_INSTR_H
- #define S390_RUNTIME_INSTR_START 0x1
- #define S390_RUNTIME_INSTR_STOP 0x2
- struct runtime_instr_cb {
- __u64 buf_current;
- __u64 buf_origin;
- __u64 buf_limit;
- __u32 valid : 1;
- __u32 pstate : 1;
- __u32 pstate_set_buf : 1;
- __u32 home_space : 1;
- __u32 altered : 1;
- __u32 : 3;
- __u32 pstate_sample : 1;
- __u32 sstate_sample : 1;
- __u32 pstate_collect : 1;
- __u32 sstate_collect : 1;
- __u32 : 1;
- __u32 halted_int : 1;
- __u32 int_requested : 1;
- __u32 buffer_full_int : 1;
- __u32 key : 4;
- __u32 : 9;
- __u32 rgs : 3;
- __u32 mode : 4;
- __u32 next : 1;
- __u32 mae : 1;
- __u32 : 2;
- __u32 call_type_br : 1;
- __u32 return_type_br : 1;
- __u32 other_type_br : 1;
- __u32 bc_other_type : 1;
- __u32 emit : 1;
- __u32 tx_abort : 1;
- __u32 : 2;
- __u32 bp_xn : 1;
- __u32 bp_xt : 1;
- __u32 bp_ti : 1;
- __u32 bp_ni : 1;
- __u32 suppr_y : 1;
- __u32 suppr_z : 1;
- __u32 dc_miss_extra : 1;
- __u32 lat_lev_ignore : 1;
- __u32 ic_lat_lev : 4;
- __u32 dc_lat_lev : 4;
- __u64 reserved1;
- __u64 scaling_factor;
- __u64 rsic;
- __u64 reserved2;
- } __packed __aligned(8);
- extern struct runtime_instr_cb runtime_instr_empty_cb;
- static inline void load_runtime_instr_cb(struct runtime_instr_cb *cb)
- {
- asm volatile(".insn rsy,0xeb0000000060,0,0,%0" /* LRIC */
- : : "Q" (*cb));
- }
- static inline void store_runtime_instr_cb(struct runtime_instr_cb *cb)
- {
- asm volatile(".insn rsy,0xeb0000000061,0,0,%0" /* STRIC */
- : "=Q" (*cb) : : "cc");
- }
- static inline void save_ri_cb(struct runtime_instr_cb *cb_prev)
- {
- if (cb_prev)
- store_runtime_instr_cb(cb_prev);
- }
- static inline void restore_ri_cb(struct runtime_instr_cb *cb_next,
- struct runtime_instr_cb *cb_prev)
- {
- if (cb_next)
- load_runtime_instr_cb(cb_next);
- else if (cb_prev)
- load_runtime_instr_cb(&runtime_instr_empty_cb);
- }
- struct task_struct;
- void runtime_instr_release(struct task_struct *tsk);
- #endif /* _RUNTIME_INSTR_H */
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