1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2/*----------------------------------------
3  PERFORMANCE INSTRUMENTATION
4  Guillaume Thouvenin           08/10/98
5  David S. Miller               10/06/98
6  ---------------------------------------*/
7#ifndef PERF_COUNTER_API
8#define PERF_COUNTER_API
9
10/* sys_perfctr() interface.  First arg is operation code
11 * from enumeration below.  The meaning of further arguments
12 * are determined by the operation code.
13 *
14 * NOTE: This system call is no longer provided, use the perf_events
15 *       infrastructure.
16 *
17 * Pointers which are passed by the user are pointers to 64-bit
18 * integers.
19 *
20 * Once enabled, performance counter state is retained until the
21 * process either exits or performs an exec.  That is, performance
22 * counters remain enabled for fork/clone children.
23 */
24enum perfctr_opcode {
25	/* Enable UltraSparc performance counters, ARG0 is pointer
26	 * to 64-bit accumulator for D0 counter in PIC, ARG1 is pointer
27	 * to 64-bit accumulator for D1 counter.  ARG2 is a pointer to
28	 * the initial PCR register value to use.
29	 */
30	PERFCTR_ON,
31
32	/* Disable UltraSparc performance counters.  The PCR is written
33	 * with zero and the user counter accumulator pointers and
34	 * working PCR register value are forgotten.
35	 */
36	PERFCTR_OFF,
37
38	/* Add current D0 and D1 PIC values into user pointers given
39	 * in PERFCTR_ON operation.  The PIC is cleared before returning.
40	 */
41	PERFCTR_READ,
42
43	/* Clear the PIC register. */
44	PERFCTR_CLRPIC,
45
46	/* Begin using a new PCR value, the pointer to which is passed
47	 * in ARG0.  The PIC is also cleared after the new PCR value is
48	 * written.
49	 */
50	PERFCTR_SETPCR,
51
52	/* Store in pointer given in ARG0 the current PCR register value
53	 * being used.
54	 */
55	PERFCTR_GETPCR
56};
57
58#define  PRIV 0x00000001
59#define  SYS  0x00000002
60#define  USR  0x00000004
61
62/* Pic.S0 Selection Bit Field Encoding, Ultra-I/II  */
63#define  CYCLE_CNT            0x00000000
64#define  INSTR_CNT            0x00000010
65#define  DISPATCH0_IC_MISS    0x00000020
66#define  DISPATCH0_STOREBUF   0x00000030
67#define  IC_REF               0x00000080
68#define  DC_RD                0x00000090
69#define  DC_WR                0x000000A0
70#define  LOAD_USE             0x000000B0
71#define  EC_REF               0x000000C0
72#define  EC_WRITE_HIT_RDO     0x000000D0
73#define  EC_SNOOP_INV         0x000000E0
74#define  EC_RD_HIT            0x000000F0
75
76/* Pic.S0 Selection Bit Field Encoding, Ultra-III  */
77#define  US3_CYCLE_CNT	      	0x00000000
78#define  US3_INSTR_CNT	      	0x00000010
79#define  US3_DISPATCH0_IC_MISS	0x00000020
80#define  US3_DISPATCH0_BR_TGT	0x00000030
81#define  US3_DISPATCH0_2ND_BR	0x00000040
82#define  US3_RSTALL_STOREQ	0x00000050
83#define  US3_RSTALL_IU_USE	0x00000060
84#define  US3_IC_REF		0x00000080
85#define  US3_DC_RD		0x00000090
86#define  US3_DC_WR		0x000000a0
87#define  US3_EC_REF		0x000000c0
88#define  US3_EC_WR_HIT_RTO	0x000000d0
89#define  US3_EC_SNOOP_INV	0x000000e0
90#define  US3_EC_RD_MISS		0x000000f0
91#define  US3_PC_PORT0_RD	0x00000100
92#define  US3_SI_SNOOP		0x00000110
93#define  US3_SI_CIQ_FLOW	0x00000120
94#define  US3_SI_OWNED		0x00000130
95#define  US3_SW_COUNT_0		0x00000140
96#define  US3_IU_BR_MISS_TAKEN	0x00000150
97#define  US3_IU_BR_COUNT_TAKEN	0x00000160
98#define  US3_DISP_RS_MISPRED	0x00000170
99#define  US3_FA_PIPE_COMPL	0x00000180
100#define  US3_MC_READS_0		0x00000200
101#define  US3_MC_READS_1		0x00000210
102#define  US3_MC_READS_2		0x00000220
103#define  US3_MC_READS_3		0x00000230
104#define  US3_MC_STALLS_0	0x00000240
105#define  US3_MC_STALLS_2	0x00000250
106
107/* Pic.S1 Selection Bit Field Encoding, Ultra-I/II  */
108#define  CYCLE_CNT_D1         0x00000000
109#define  INSTR_CNT_D1         0x00000800
110#define  DISPATCH0_IC_MISPRED 0x00001000
111#define  DISPATCH0_FP_USE     0x00001800
112#define  IC_HIT               0x00004000
113#define  DC_RD_HIT            0x00004800
114#define  DC_WR_HIT            0x00005000
115#define  LOAD_USE_RAW         0x00005800
116#define  EC_HIT               0x00006000
117#define  EC_WB                0x00006800
118#define  EC_SNOOP_CB          0x00007000
119#define  EC_IT_HIT            0x00007800
120
121/* Pic.S1 Selection Bit Field Encoding, Ultra-III  */
122#define  US3_CYCLE_CNT_D1	0x00000000
123#define  US3_INSTR_CNT_D1	0x00000800
124#define  US3_DISPATCH0_MISPRED	0x00001000
125#define  US3_IC_MISS_CANCELLED	0x00001800
126#define  US3_RE_ENDIAN_MISS	0x00002000
127#define  US3_RE_FPU_BYPASS	0x00002800
128#define  US3_RE_DC_MISS		0x00003000
129#define  US3_RE_EC_MISS		0x00003800
130#define  US3_IC_MISS		0x00004000
131#define  US3_DC_RD_MISS		0x00004800
132#define  US3_DC_WR_MISS		0x00005000
133#define  US3_RSTALL_FP_USE	0x00005800
134#define  US3_EC_MISSES		0x00006000
135#define  US3_EC_WB		0x00006800
136#define  US3_EC_SNOOP_CB	0x00007000
137#define  US3_EC_IC_MISS		0x00007800
138#define  US3_RE_PC_MISS		0x00008000
139#define  US3_ITLB_MISS		0x00008800
140#define  US3_DTLB_MISS		0x00009000
141#define  US3_WC_MISS		0x00009800
142#define  US3_WC_SNOOP_CB	0x0000a000
143#define  US3_WC_SCRUBBED	0x0000a800
144#define  US3_WC_WB_WO_READ	0x0000b000
145#define  US3_PC_SOFT_HIT	0x0000c000
146#define  US3_PC_SNOOP_INV	0x0000c800
147#define  US3_PC_HARD_HIT	0x0000d000
148#define  US3_PC_PORT1_RD	0x0000d800
149#define  US3_SW_COUNT_1		0x0000e000
150#define  US3_IU_STAT_BR_MIS_UNTAKEN	0x0000e800
151#define  US3_IU_STAT_BR_COUNT_UNTAKEN	0x0000f000
152#define  US3_PC_MS_MISSES	0x0000f800
153#define  US3_MC_WRITES_0	0x00010800
154#define  US3_MC_WRITES_1	0x00011000
155#define  US3_MC_WRITES_2	0x00011800
156#define  US3_MC_WRITES_3	0x00012000
157#define  US3_MC_STALLS_1	0x00012800
158#define  US3_MC_STALLS_3	0x00013000
159#define  US3_RE_RAW_MISS	0x00013800
160#define  US3_FM_PIPE_COMPLETION	0x00014000
161
162struct vcounter_struct {
163  unsigned long long vcnt0;
164  unsigned long long vcnt1;
165};
166
167#endif /* !(PERF_COUNTER_API) */
168