xref: /qemu/qapi/common.json (revision 913d9063)
1# -*- Mode: Python -*-
2# vim: filetype=python
3
4##
5# = Common data types
6##
7
8##
9# @IoOperationType:
10#
11# An enumeration of the I/O operation types
12#
13# @read: read operation
14#
15# @write: write operation
16#
17# Since: 2.1
18##
19{ 'enum': 'IoOperationType',
20  'data': [ 'read', 'write' ] }
21
22##
23# @OnOffAuto:
24#
25# An enumeration of three options: on, off, and auto
26#
27# @auto: QEMU selects the value between on and off
28#
29# @on: Enabled
30#
31# @off: Disabled
32#
33# Since: 2.2
34##
35{ 'enum': 'OnOffAuto',
36  'data': [ 'auto', 'on', 'off' ] }
37
38##
39# @OnOffSplit:
40#
41# An enumeration of three values: on, off, and split
42#
43# @on: Enabled
44#
45# @off: Disabled
46#
47# @split: Mixed
48#
49# Since: 2.6
50##
51{ 'enum': 'OnOffSplit',
52  'data': [ 'on', 'off', 'split' ] }
53
54##
55# @String:
56#
57# A fat type wrapping 'str', to be embedded in lists.
58#
59# Since: 1.2
60##
61{ 'struct': 'String',
62  'data': {
63    'str': 'str' } }
64
65##
66# @StrOrNull:
67#
68# This is a string value or the explicit lack of a string (null
69# pointer in C).  Intended for cases when 'optional absent' already
70# has a different meaning.
71#
72# @s: the string value
73# @n: no string value
74#
75# Since: 2.10
76##
77{ 'alternate': 'StrOrNull',
78  'data': { 's': 'str',
79            'n': 'null' } }
80
81##
82# @OffAutoPCIBAR:
83#
84# An enumeration of options for specifying a PCI BAR
85#
86# @off: The specified feature is disabled
87#
88# @auto: The PCI BAR for the feature is automatically selected
89#
90# @bar0: PCI BAR0 is used for the feature
91#
92# @bar1: PCI BAR1 is used for the feature
93#
94# @bar2: PCI BAR2 is used for the feature
95#
96# @bar3: PCI BAR3 is used for the feature
97#
98# @bar4: PCI BAR4 is used for the feature
99#
100# @bar5: PCI BAR5 is used for the feature
101#
102# Since: 2.12
103##
104{ 'enum': 'OffAutoPCIBAR',
105  'data': [ 'off', 'auto', 'bar0', 'bar1', 'bar2', 'bar3', 'bar4', 'bar5' ] }
106
107##
108# @PCIELinkSpeed:
109#
110# An enumeration of PCIe link speeds in units of GT/s
111#
112# @2_5: 2.5GT/s
113#
114# @5: 5.0GT/s
115#
116# @8: 8.0GT/s
117#
118# @16: 16.0GT/s
119#
120# Since: 4.0
121##
122{ 'enum': 'PCIELinkSpeed',
123  'data': [ '2_5', '5', '8', '16' ] }
124
125##
126# @PCIELinkWidth:
127#
128# An enumeration of PCIe link width
129#
130# @1: x1
131#
132# @2: x2
133#
134# @4: x4
135#
136# @8: x8
137#
138# @12: x12
139#
140# @16: x16
141#
142# @32: x32
143#
144# Since: 4.0
145##
146{ 'enum': 'PCIELinkWidth',
147  'data': [ '1', '2', '4', '8', '12', '16', '32' ] }
148
149##
150# @HostMemPolicy:
151#
152# Host memory policy types
153#
154# @default: restore default policy, remove any nondefault policy
155#
156# @preferred: set the preferred host nodes for allocation
157#
158# @bind: a strict policy that restricts memory allocation to the
159#        host nodes specified
160#
161# @interleave: memory allocations are interleaved across the set
162#              of host nodes specified
163#
164# Since: 2.1
165##
166{ 'enum': 'HostMemPolicy',
167  'data': [ 'default', 'preferred', 'bind', 'interleave' ] }
168