Commit | Line | Data |
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a1110654 SW |
1 | /* |
2 | * Performance event support - Freescale embedded specific definitions. | |
3 | * | |
4 | * Copyright 2008-2009 Paul Mackerras, IBM Corporation. | |
5 | * Copyright 2010 Freescale Semiconductor, Inc. | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License | |
9 | * as published by the Free Software Foundation; either version | |
10 | * 2 of the License, or (at your option) any later version. | |
11 | */ | |
12 | ||
13 | #include <linux/types.h> | |
14 | #include <asm/hw_irq.h> | |
15 | ||
16 | #define MAX_HWEVENTS 4 | |
17 | ||
18 | /* event flags */ | |
19 | #define FSL_EMB_EVENT_VALID 1 | |
20 | #define FSL_EMB_EVENT_RESTRICTED 2 | |
21 | ||
22 | /* upper half of event flags is PMLCb */ | |
23 | #define FSL_EMB_EVENT_THRESHMUL 0x0000070000000000ULL | |
24 | #define FSL_EMB_EVENT_THRESH 0x0000003f00000000ULL | |
25 | ||
26 | struct fsl_emb_pmu { | |
27 | const char *name; | |
28 | int n_counter; /* total number of counters */ | |
29 | ||
30 | /* | |
31 | * The number of contiguous counters starting at zero that | |
32 | * can hold restricted events, or zero if there are no | |
33 | * restricted events. | |
34 | * | |
35 | * This isn't a very flexible method of expressing constraints, | |
36 | * but it's very simple and is adequate for existing chips. | |
37 | */ | |
38 | int n_restricted; | |
39 | ||
40 | /* Returns event flags and PMLCb (FSL_EMB_EVENT_*) */ | |
41 | u64 (*xlate_event)(u64 event_id); | |
42 | ||
43 | int n_generic; | |
44 | int *generic_events; | |
45 | int (*cache_events)[PERF_COUNT_HW_CACHE_MAX] | |
46 | [PERF_COUNT_HW_CACHE_OP_MAX] | |
47 | [PERF_COUNT_HW_CACHE_RESULT_MAX]; | |
48 | }; | |
49 | ||
50 | int register_fsl_emb_pmu(struct fsl_emb_pmu *); |