| /* SPDX-License-Identifier: GPL-2.0 */ |
| #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); |
| } |
| |
| void exit_thread_runtime_instr(void); |
| |
| #endif /* _RUNTIME_INSTR_H */ |
