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pci: device reservation: allow one to only free a subset of IDs

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Add an optional parameter to the helper that removes PCI reservations
so that we can partially release IDs again. This will be necessary for
NVIDIAs new sysfs api

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
Tested-by: Christoph Heiss <c.heiss@proxmox.com>
Reviewed-by: Christoph Heiss <c.heiss@proxmox.com>
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
This commit is contained in:
Dominik Csapak 2024-08-06 14:22:01 +02:00 committed by Thomas Lamprecht
parent fc23c72a42
commit d7fe48e9aa
1 changed files with 2 additions and 1 deletions
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3
PVE/QemuServer/PCI.pm
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@ -719,11 +719,12 @@ my $write_pci_reservation_unlocked = sub {
# removes all PCI device reservations held by the `vmid` # removes all PCI device reservations held by the `vmid`
sub remove_pci_reservation { sub remove_pci_reservation {
my ($vmid) = @_; my ($vmid, $pciids) = @_;
PVE::Tools::lock_file($PCIID_RESERVATION_LOCK, 2, sub { PVE::Tools::lock_file($PCIID_RESERVATION_LOCK, 2, sub {
my $reservation_list = $parse_pci_reservation_unlocked->(); my $reservation_list = $parse_pci_reservation_unlocked->();
for my $id (keys %$reservation_list) { for my $id (keys %$reservation_list) {
next if defined($pciids) && !grep { $_ eq $id } $pciids->@*;
my $reservation = $reservation_list->{$id}; my $reservation = $reservation_list->{$id};
next if $reservation->{vmid} != $vmid; next if $reservation->{vmid} != $vmid;
delete $reservation_list->{$id}; delete $reservation_list->{$id};