1/*----------------------------------------
2  PERFORMANCE INSTRUMENTATION
3  Guillaume Thouvenin           08/10/98
4  David S. Miller               10/06/98
5  ---------------------------------------*/
6#ifndef PERF_COUNTER_API
7#define PERF_COUNTER_API
8
9/* sys_perfctr() interface.  First arg is operation code
10 * from enumeration below.  The meaning of further arguments
11 * are determined by the operation code.
12 *
13 * int sys_perfctr(int opcode, unsigned long arg0,
14 *                 unsigned long arg1, unsigned long arg2)
15 *
16 * Pointers which are passed by the user are pointers to 64-bit
17 * integers.
18 *
19 * Once enabled, performance counter state is retained until the
20 * process either exits or performs an exec.  That is, performance
21 * counters remain enabled for fork/clone children.
22 */
23enum perfctr_opcode {
24	/* Enable UltraSparc performance counters, ARG0 is pointer
25	 * to 64-bit accumulator for D0 counter in PIC, ARG1 is pointer
26	 * to 64-bit accumulator for D1 counter.  ARG2 is a pointer to
27	 * the initial PCR register value to use.
28	 */
29	PERFCTR_ON,
30
31	/* Disable UltraSparc performance counters.  The PCR is written
32	 * with zero and the user counter accumulator pointers and
33	 * working PCR register value are forgotten.
34	 */
35	PERFCTR_OFF,
36
37	/* Add current D0 and D1 PIC values into user pointers given
38	 * in PERFCTR_ON operation.  The PIC is cleared before returning.
39	 */
40	PERFCTR_READ,
41
42	/* Clear the PIC register. */
43	PERFCTR_CLRPIC,
44
45	/* Begin using a new PCR value, the pointer to which is passed
46	 * in ARG0.  The PIC is also cleared after the new PCR value is
47	 * written.
48	 */
49	PERFCTR_SETPCR,
50
51	/* Store in pointer given in ARG0 the current PCR register value
52	 * being used.
53	 */
54	PERFCTR_GETPCR
55};
56
57/* I don't want the kernel's namespace to be polluted with this
58 * stuff when this file is included.  --DaveM
59 */
60#ifndef __KERNEL__
61
62#define  PRIV 0x00000001
63#define  SYS  0x00000002
64#define  USR  0x00000004
65
66/* Pic.S0 Selection Bit Field Encoding, Ultra-I/II  */
67#define  CYCLE_CNT            0x00000000
68#define  INSTR_CNT            0x00000010
69#define  DISPATCH0_IC_MISS    0x00000020
70#define  DISPATCH0_STOREBUF   0x00000030
71#define  IC_REF               0x00000080
72#define  DC_RD                0x00000090
73#define  DC_WR                0x000000A0
74#define  LOAD_USE             0x000000B0
75#define  EC_REF               0x000000C0
76#define  EC_WRITE_HIT_RDO     0x000000D0
77#define  EC_SNOOP_INV         0x000000E0
78#define  EC_RD_HIT            0x000000F0
79
80/* Pic.S0 Selection Bit Field Encoding, Ultra-III  */
81#define  US3_CYCLE_CNT	      	0x00000000
82#define  US3_INSTR_CNT	      	0x00000010
83#define  US3_DISPATCH0_IC_MISS	0x00000020
84#define  US3_DISPATCH0_BR_TGT	0x00000030
85#define  US3_DISPATCH0_2ND_BR	0x00000040
86#define  US3_RSTALL_STOREQ	0x00000050
87#define  US3_RSTALL_IU_USE	0x00000060
88#define  US3_IC_REF		0x00000080
89#define  US3_DC_RD		0x00000090
90#define  US3_DC_WR		0x000000a0
91#define  US3_EC_REF		0x000000c0
92#define  US3_EC_WR_HIT_RTO	0x000000d0
93#define  US3_EC_SNOOP_INV	0x000000e0
94#define  US3_EC_RD_MISS		0x000000f0
95#define  US3_PC_PORT0_RD	0x00000100
96#define  US3_SI_SNOOP		0x00000110
97#define  US3_SI_CIQ_FLOW	0x00000120
98#define  US3_SI_OWNED		0x00000130
99#define  US3_SW_COUNT_0		0x00000140
100#define  US3_IU_BR_MISS_TAKEN	0x00000150
101#define  US3_IU_BR_COUNT_TAKEN	0x00000160
102#define  US3_DISP_RS_MISPRED	0x00000170
103#define  US3_FA_PIPE_COMPL	0x00000180
104#define  US3_MC_READS_0		0x00000200
105#define  US3_MC_READS_1		0x00000210
106#define  US3_MC_READS_2		0x00000220
107#define  US3_MC_READS_3		0x00000230
108#define  US3_MC_STALLS_0	0x00000240
109#define  US3_MC_STALLS_2	0x00000250
110
111/* Pic.S1 Selection Bit Field Encoding, Ultra-I/II  */
112#define  CYCLE_CNT_D1         0x00000000
113#define  INSTR_CNT_D1         0x00000800
114#define  DISPATCH0_IC_MISPRED 0x00001000
115#define  DISPATCH0_FP_USE     0x00001800
116#define  IC_HIT               0x00004000
117#define  DC_RD_HIT            0x00004800
118#define  DC_WR_HIT            0x00005000
119#define  LOAD_USE_RAW         0x00005800
120#define  EC_HIT               0x00006000
121#define  EC_WB                0x00006800
122#define  EC_SNOOP_CB          0x00007000
123#define  EC_IT_HIT            0x00007800
124
125/* Pic.S1 Selection Bit Field Encoding, Ultra-III  */
126#define  US3_CYCLE_CNT_D1	0x00000000
127#define  US3_INSTR_CNT_D1	0x00000800
128#define  US3_DISPATCH0_MISPRED	0x00001000
129#define  US3_IC_MISS_CANCELLED	0x00001800
130#define  US3_RE_ENDIAN_MISS	0x00002000
131#define  US3_RE_FPU_BYPASS	0x00002800
132#define  US3_RE_DC_MISS		0x00003000
133#define  US3_RE_EC_MISS		0x00003800
134#define  US3_IC_MISS		0x00004000
135#define  US3_DC_RD_MISS		0x00004800
136#define  US3_DC_WR_MISS		0x00005000
137#define  US3_RSTALL_FP_USE	0x00005800
138#define  US3_EC_MISSES		0x00006000
139#define  US3_EC_WB		0x00006800
140#define  US3_EC_SNOOP_CB	0x00007000
141#define  US3_EC_IC_MISS		0x00007800
142#define  US3_RE_PC_MISS		0x00008000
143#define  US3_ITLB_MISS		0x00008800
144#define  US3_DTLB_MISS		0x00009000
145#define  US3_WC_MISS		0x00009800
146#define  US3_WC_SNOOP_CB	0x0000a000
147#define  US3_WC_SCRUBBED	0x0000a800
148#define  US3_WC_WB_WO_READ	0x0000b000
149#define  US3_PC_SOFT_HIT	0x0000c000
150#define  US3_PC_SNOOP_INV	0x0000c800
151#define  US3_PC_HARD_HIT	0x0000d000
152#define  US3_PC_PORT1_RD	0x0000d800
153#define  US3_SW_COUNT_1		0x0000e000
154#define  US3_IU_STAT_BR_MIS_UNTAKEN	0x0000e800
155#define  US3_IU_STAT_BR_COUNT_UNTAKEN	0x0000f000
156#define  US3_PC_MS_MISSES	0x0000f800
157#define  US3_MC_WRITES_0	0x00010800
158#define  US3_MC_WRITES_1	0x00011000
159#define  US3_MC_WRITES_2	0x00011800
160#define  US3_MC_WRITES_3	0x00012000
161#define  US3_MC_STALLS_1	0x00012800
162#define  US3_MC_STALLS_3	0x00013000
163#define  US3_RE_RAW_MISS	0x00013800
164#define  US3_FM_PIPE_COMPLETION	0x00014000
165
166struct vcounter_struct {
167  unsigned long long vcnt0;
168  unsigned long long vcnt1;
169};
170
171#endif /* !(__KERNEL__) */
172
173#endif /* !(PERF_COUNTER_API) */
174