[pve-devel] [PATCH v2 qemu-server 04/10] pci: add get_pci_addr

[Alexandre Derumier via pve-devel <pve-devel@lists.proxmox.com>]

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From: Alexandre Derumier <alexandre.derumier@groupe-cyllene.com>
To: pve-devel@lists.proxmox.com
Subject: [PATCH v2 qemu-server 04/10] pci: add get_pci_addr
Date: Wed, 16 Jul 2025 18:34:09 +0200
Message-ID: <20250716163415.1837210-5-alexandre.derumier@groupe-cyllene.com>

return a hash with pci bus && pci address

Signed-off-by: Alexandre Derumier <alexandre.derumier@groupe-cyllene.com>
---
 src/PVE/QemuServer/PCI.pm | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/src/PVE/QemuServer/PCI.pm b/src/PVE/QemuServer/PCI.pm
index e7a9a610..94fd10bd 100644
--- a/src/PVE/QemuServer/PCI.pm
+++ b/src/PVE/QemuServer/PCI.pm
@@ -16,6 +16,7 @@ use PVE::QemuServer::Machine;
 use base 'Exporter';
 
 our @EXPORT_OK = qw(
+    get_pci_addr
     print_pci_addr
     print_pcie_addr
     print_pcie_root_port
@@ -288,12 +289,12 @@ my $get_addr_mapping_from_id = sub {
     return { bus => $d->{bus}, addr => sprintf("0x%x", $d->{addr}) };
 };
 
-sub print_pci_addr {
+sub get_pci_addr {
     my ($id, $bridges, $arch) = @_;
 
     die "aarch64 cannot use IDE devices\n" if $arch eq 'aarch64' && $id =~ /^ide/;
 
-    my $res = '';
+    my $res = {};
 
     my $map = get_pci_addr_map();
     if (my $d = $get_addr_mapping_from_id->($map, $id)) {
@@ -301,13 +302,23 @@ sub print_pci_addr {
         # virt machine has an initial pcie.0. The other pci bridges that get added are called pci.N.
         my $busname = $arch eq 'aarch64' && $d->{bus} eq 0 ? 'pcie' : 'pci';
 
-        $res = ",bus=$busname.$d->{bus},addr=$d->{addr}";
+        $res = { bus => "$busname.$d->{bus}", addr => $d->{addr} };
         $bridges->{ $d->{bus} } = 1 if $bridges;
     }
 
     return $res;
 }
 
+sub print_pci_addr {
+    my ($id, $bridges, $arch) = @_;
+
+    my $pci = get_pci_addr($id, $bridges, $arch);
+    my $res = "";
+    $res .= ",bus=$pci->{bus}" if $pci->{bus};
+    $res .= ",addr=$pci->{addr}" if $pci->{addr};
+    return $res;
+}
+
 my $pcie_addr_map;
 
 sub get_pcie_addr_map {
-- 
2.39.5



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