blob: b9c7854532ddf8c93386acc02ffc9db5eb858806 (
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
|
.. _opal-psr:
OPAL_GET_POWER_SHIFT_RATIO
==============================
OPAL call to read the power-shifting-ratio using a handle to identify
the type (e.g CPU vs. GPU, CPU vs. MEM) which is exported via
device-tree.
The call can be asynchronus, where the token parameter is used to wait
for the completion.
Parameters
----------
=== =======
=== =======
u32 handle
int token
u32 \*ratio
=== =======
Returns
-------
OPAL_SUCCESS
Success
OPAL_PARAMETER
Invalid ratio pointer
OPAL_UNSUPPORTED
No support for reading psr
OPAL_HARDWARE
Unable to procced due to the current hardware state
OPAL_ASYNC_COMPLETION
Request was sent and an async completion message will be sent with
token and status of the request.
OPAL_SET_POWER_SHIFT_RATIO
==============================
OPAL call to set power-shifting-ratio using a handle to identify
the type of PSR which is exported in device-tree. This call can be
asynchronus where the token parameter is used to wait for the
completion.
Parameters
----------
=== ======
=== ======
u32 handle
int token
u32 ratio
=== ======
Returns
-------
OPAL_SUCCESS
Success
OPAL_PARAMETER
Invalid ratio requested
OPAL_UNSUPPORTED
No support for changing the ratio
OPAL_PERMISSION
Hardware cannot take the request
OPAL_ASYNC_COMPLETION
Request was sent and an async completion message will be sent with
token and status of the request.
OPAL_HARDWARE
Unable to procced due to the current hardware state
OPAL_BUSY
Previous request in progress
OPAL_INTERNAL_ERROR
Error in request response
OPAL_TIMEOUT
Timeout in request completion
|