blob: 634ef4082cdcec6973eb8ebbcf235f02e19bc6c8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
#ifndef LINUX_POWERPC_PERF_HV_24X7_H_
#define LINUX_POWERPC_PERF_HV_24X7_H_
#include <linux/types.h>
enum hv_perf_domains {
#define DOMAIN(n, v, x, c) HV_PERF_DOMAIN_##n = v,
#include "hv-24x7-domains.h"
#undef DOMAIN
HV_PERF_DOMAIN_MAX,
};
struct hv_24x7_request {
/* PHYSICAL domains require enabling via phyp/hmc. */
__u8 performance_domain;
__u8 reserved[0x1];
/* bytes to read starting at @data_offset. must be a multiple of 8 */
__be16 data_size;
/*
* byte offset within the perf domain to read from. must be 8 byte
* aligned
*/
__be32 data_offset;
/*
* only valid for VIRTUAL_PROCESSOR domains, ignored for others.
* -1 means "current partition only"
* Enabling via phyp/hmc required for non-"-1" values. 0 forbidden
* unless requestor is 0.
*/
__be16 starting_lpar_ix;
/*
* Ignored when @starting_lpar_ix == -1
* Ignored when @performance_domain is not VIRTUAL_PROCESSOR_*
* -1 means "infinite" or all
*/
__be16 max_num_lpars;
/* chip, core, or virtual processor based on @performance_domain */
__be16 starting_ix;
__be16 max_ix;
} __packed;
struct hv_24x7_request_buffer {
/* 0 - ? */
/* 1 - ? */
#define HV_24X7_IF_VERSION_CURRENT 0x01
__u8 interface_version;
__u8 num_requests;
__u8 reserved[0xE];
struct hv_24x7_request requests[1];
} __packed;
struct hv_24x7_result_element {
__be16 lpar_ix;
/*
* represents the core, chip, or virtual processor based on the
* request's @performance_domain
*/
__be16 domain_ix;
/* -1 if @performance_domain does not refer to a virtual processor */
__be32 lpar_cfg_instance_id;
/* size = @result_element_data_size of containing result. */
__u64 element_data[1];
} __packed;
struct hv_24x7_result {
__u8 result_ix;
/*
* 0 = not all result elements fit into the buffer, additional requests
* required
* 1 = all result elements were returned
*/
__u8 results_complete;
__be16 num_elements_returned;
/* This is a copy of @data_size from the corresponding hv_24x7_request */
__be16 result_element_data_size;
__u8 reserved[0x2];
/* WARNING: only valid for first result element due to variable sizes
* of result elements */
/* struct hv_24x7_result_element[@num_elements_returned] */
struct hv_24x7_result_element elements[1];
} __packed;
struct hv_24x7_data_result_buffer {
/* See versioning for request buffer */
__u8 interface_version;
__u8 num_results;
__u8 reserved[0x1];
__u8 failing_request_ix;
__be32 detailed_rc;
__be64 cec_cfg_instance_id;
__be64 catalog_version_num;
__u8 reserved2[0x8];
/* WARNING: only valid for the first result due to variable sizes of
* results */
struct hv_24x7_result results[1]; /* [@num_results] */
} __packed;
#endif
|
