| Jan Glauber | e4b8b3f | 2012-07-31 10:52:05 +0200 | [diff] [blame] | 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 | { |
| 75 | #ifdef CONFIG_64BIT |
| 76 | if (cb_prev) |
| 77 | store_runtime_instr_cb(cb_prev); |
| 78 | #endif |
| 79 | } |
| 80 | |
| 81 | static inline void restore_ri_cb(struct runtime_instr_cb *cb_next, |
| 82 | struct runtime_instr_cb *cb_prev) |
| 83 | { |
| 84 | #ifdef CONFIG_64BIT |
| 85 | if (cb_next) |
| 86 | load_runtime_instr_cb(cb_next); |
| 87 | else if (cb_prev) |
| 88 | load_runtime_instr_cb(&runtime_instr_empty_cb); |
| 89 | #endif |
| 90 | } |
| 91 | |
| 92 | #ifdef CONFIG_64BIT |
| 93 | extern void exit_thread_runtime_instr(void); |
| 94 | #else |
| 95 | static inline void exit_thread_runtime_instr(void) { } |
| 96 | #endif |
| 97 | |
| 98 | #endif /* _RUNTIME_INSTR_H */ |