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Commit | Line | Data |
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3392d6ca SR |
1 | package PVE::QemuServer::Machine; |
2 | ||
3 | use strict; | |
4 | use warnings; | |
5 | ||
2ea5fb7e | 6 | use PVE::QemuServer::Helpers; |
3392d6ca SR |
7 | use PVE::QemuServer::Monitor; |
8 | ||
9471e48b TL |
9 | # Bump this for VM HW layout changes during a release (where the QEMU machine |
10 | # version stays the same) | |
ac0077cc | 11 | our $PVE_MACHINE_VERSION = { |
b8fb1c03 | 12 | '4.1' => 2, |
ac0077cc | 13 | }; |
9471e48b | 14 | |
3392d6ca SR |
15 | sub machine_type_is_q35 { |
16 | my ($conf) = @_; | |
17 | ||
18 | return $conf->{machine} && ($conf->{machine} =~ m/q35/) ? 1 : 0; | |
19 | } | |
20 | ||
da841554 | 21 | # In list context, also returns whether the current machine is deprecated or not. |
ea71be24 | 22 | sub current_from_query_machines { |
081eed3b | 23 | my ($machines) = @_; |
3392d6ca | 24 | |
7d6a6292 | 25 | my ($current, $default); |
081eed3b FE |
26 | for my $machine ($machines->@*) { |
27 | $default = $machine->{name} if $machine->{'is-default'}; | |
3392d6ca | 28 | |
7d6a6292 FE |
29 | if ($machine->{'is-current'}) { |
30 | $current = $machine->{name}; | |
31 | # pve-version only exists for the current machine | |
32 | $current .= "+$machine->{'pve-version'}" if $machine->{'pve-version'}; | |
da841554 | 33 | return wantarray ? ($current, $machine->{deprecated} ? 1 : 0) : $current; |
7d6a6292 FE |
34 | } |
35 | } | |
9471e48b | 36 | |
da841554 FE |
37 | # fallback to the default machine if current is not supported by qemu - assume never deprecated |
38 | my $fallback = $default || 'pc'; | |
39 | return wantarray ? ($fallback, 0) : $fallback; | |
3392d6ca SR |
40 | } |
41 | ||
da841554 FE |
42 | # This only works if VM is running. |
43 | # In list context, also returns whether the current machine is deprecated or not. | |
ea71be24 FE |
44 | sub get_current_qemu_machine { |
45 | my ($vmid) = @_; | |
46 | ||
47 | my $res = PVE::QemuServer::Monitor::mon_cmd($vmid, 'query-machines'); | |
48 | ||
49 | return current_from_query_machines($res); | |
50 | } | |
51 | ||
9471e48b TL |
52 | # returns a string with major.minor+pve<VERSION>, patch version-part is ignored |
53 | # as it's seldom ressembling a real QEMU machine type, so it would be '0' 99% of | |
54 | # the time anyway.. This explicitly separates pveversion from the machine. | |
2ea5fb7e | 55 | sub extract_version { |
9471e48b TL |
56 | my ($machine_type, $kvmversion) = @_; |
57 | ||
d4be7f31 SR |
58 | if (defined($machine_type) && $machine_type =~ |
59 | m/^(?:pc(?:-i440fx|-q35)?|virt)-(\d+)\.(\d+)(?:\.(\d+))?(\+pve\d+)?(?:\.pxe)?/) | |
60 | { | |
9471e48b TL |
61 | my $versionstr = "$1.$2"; |
62 | $versionstr .= $4 if $4; | |
63 | return $versionstr; | |
64 | } elsif (defined($kvmversion)) { | |
65 | if ($kvmversion =~ m/^(\d+)\.(\d+)/) { | |
ac0077cc SR |
66 | my $pvever = get_pve_version($kvmversion); |
67 | return "$1.$2+pve$pvever"; | |
9471e48b | 68 | } |
3392d6ca SR |
69 | } |
70 | ||
d1c1af4b | 71 | return; |
3392d6ca SR |
72 | } |
73 | ||
2ea5fb7e | 74 | sub machine_version { |
9471e48b | 75 | my ($machine_type, $major, $minor, $pve) = @_; |
3392d6ca | 76 | |
2ea5fb7e | 77 | return PVE::QemuServer::Helpers::min_version( |
9471e48b | 78 | extract_version($machine_type), $major, $minor, $pve); |
3392d6ca SR |
79 | } |
80 | ||
ac0077cc SR |
81 | sub get_pve_version { |
82 | my ($verstr) = @_; | |
83 | ||
84 | if ($verstr =~ m/^(\d+\.\d+)/) { | |
85 | return $PVE_MACHINE_VERSION->{$1} // 0; | |
86 | } | |
87 | ||
88 | die "internal error: cannot get pve version for invalid string '$verstr'"; | |
89 | } | |
90 | ||
91 | sub can_run_pve_machine_version { | |
92 | my ($machine_version, $kvmversion) = @_; | |
93 | ||
d4be7f31 | 94 | $machine_version =~ m/^(\d+)\.(\d+)(?:\+pve(\d+))?(?:\.pxe)?$/; |
ac0077cc SR |
95 | my $major = $1; |
96 | my $minor = $2; | |
97 | my $pvever = $3; | |
98 | ||
99 | $kvmversion =~ m/(\d+)\.(\d+)/; | |
100 | return 0 if PVE::QemuServer::Helpers::version_cmp($1, $major, $2, $minor) < 0; | |
101 | ||
102 | # if $pvever is missing or 0, we definitely support it as long as we didn't | |
103 | # fail the QEMU version check above | |
104 | return 1 if !$pvever; | |
105 | ||
106 | my $max_supported = get_pve_version("$major.$minor"); | |
107 | return 1 if $max_supported >= $pvever; | |
108 | ||
109 | return 0; | |
110 | } | |
111 | ||
3392d6ca SR |
112 | # dies if a) VM not running or not exisiting b) Version query failed |
113 | # So, any defined return value is valid, any invalid state can be caught by eval | |
114 | sub runs_at_least_qemu_version { | |
115 | my ($vmid, $major, $minor, $extra) = @_; | |
116 | ||
117 | my $v = PVE::QemuServer::Monitor::mon_cmd($vmid, 'query-version'); | |
118 | die "could not query currently running version for VM $vmid\n" if !defined($v); | |
119 | $v = $v->{qemu}; | |
120 | ||
825ae5bc | 121 | return PVE::QemuServer::Helpers::version_cmp($v->{major}, $major, $v->{minor}, $minor, $v->{micro}, $extra) >= 0; |
3392d6ca SR |
122 | } |
123 | ||
124 | sub qemu_machine_pxe { | |
125 | my ($vmid, $conf) = @_; | |
126 | ||
127 | my $machine = get_current_qemu_machine($vmid); | |
128 | ||
129 | if ($conf->{machine} && $conf->{machine} =~ m/\.pxe$/) { | |
130 | $machine .= '.pxe'; | |
131 | } | |
132 | ||
133 | return $machine; | |
134 | } | |
135 | ||
136 | 1; |