[pve-devel] [PATCH qemu-server 1/1] Add support for up to 10 PCI(e) devices

Aaron Lauterer a.lauterer at proxmox.com
Mon Sep 2 12:50:25 CEST 2019


Signed-off-by: Aaron Lauterer <a.lauterer at proxmox.com>
---
 PVE/QemuServer.pm     |  2 +-
 PVE/QemuServer/PCI.pm | 18 +++++++++++++
 pve-q35-4.0.cfg       | 60 +++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 79 insertions(+), 1 deletion(-)

diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index 6e3b19e..451fcda 100644
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -769,7 +769,7 @@ my $MAX_SATA_DISKS = 6;
 my $MAX_USB_DEVICES = 5;
 my $MAX_NETS = 32;
 my $MAX_UNUSED_DISKS = 256;
-my $MAX_HOSTPCI_DEVICES = 4;
+my $MAX_HOSTPCI_DEVICES = 10;
 my $MAX_SERIAL_PORTS = 4;
 my $MAX_PARALLEL_PORTS = 3;
 my $MAX_NUMA = 8;
diff --git a/PVE/QemuServer/PCI.pm b/PVE/QemuServer/PCI.pm
index 9c72f3a..abfa462 100644
--- a/PVE/QemuServer/PCI.pm
+++ b/PVE/QemuServer/PCI.pm
@@ -80,6 +80,12 @@ my $devices = {
     'virtio15' => { bus => 2, addr => 10 },
     'ivshmem' => { bus => 2, addr => 11 },
     'audio0' => { bus => 2, addr => 12 },
+    hostpci4 => { bus => 2, addr => 13 },
+    hostpci5 => { bus => 2, addr => 14 },
+    hostpci6 => { bus => 2, addr => 15 },
+    hostpci7 => { bus => 2, addr => 16 },
+    hostpci8 => { bus => 2, addr => 17 },
+    hostpci9 => { bus => 2, addr => 18 },
     'virtioscsi0' => { bus => 3, addr => 1 },
     'virtioscsi1' => { bus => 3, addr => 2 },
     'virtioscsi2' => { bus => 3, addr => 3 },
@@ -147,12 +153,24 @@ sub print_pcie_addr {
 	hostpci1 => { bus => "ich9-pcie-port-2", addr => 0 },
 	hostpci2 => { bus => "ich9-pcie-port-3", addr => 0 },
 	hostpci3 => { bus => "ich9-pcie-port-4", addr => 0 },
+	hostpci4 => { bus => "ich9-pcie-port-5", addr => 0 },
+	hostpci5 => { bus => "ich9-pcie-port-6", addr => 0 },
+	hostpci6 => { bus => "ich9-pcie-port-7", addr => 0 },
+	hostpci7 => { bus => "ich9-pcie-port-8", addr => 0 },
+	hostpci8 => { bus => "ich9-pcie-port-9", addr => 0 },
+	hostpci9 => { bus => "ich9-pcie-port-10", addr => 0 },
 	# win7 is picky about pcie assignments
 	hostpci0bus0 => { bus => "pcie.0", addr => 16 },
 	hostpci1bus0 => { bus => "pcie.0", addr => 17 },
 	hostpci2bus0 => { bus => "pcie.0", addr => 18 },
 	hostpci3bus0 => { bus => "pcie.0", addr => 19 },
 	ivshmem => { bus => 'pcie.0', addr => 20 },
+	hostpci4bus0 => { bus => "pcie.0", addr => 21 },
+	hostpci5bus0 => { bus => "pcie.0", addr => 22 },
+	hostpci6bus0 => { bus => "pcie.0", addr => 23 },
+	hostpci7bus0 => { bus => "pcie.0", addr => 24 },
+	hostpci8bus0 => { bus => "pcie.0", addr => 25 },
+	hostpci9bus0 => { bus => "pcie.0", addr => 26 },
     };
 
     if (defined($devices->{$id}->{bus}) && defined($devices->{$id}->{addr})) {
diff --git a/pve-q35-4.0.cfg b/pve-q35-4.0.cfg
index c931417..307fd10 100644
--- a/pve-q35-4.0.cfg
+++ b/pve-q35-4.0.cfg
@@ -107,6 +107,66 @@
   port = "4"
   chassis = "4"
 
+[device "ich9-pcie-port-5"]
+  driver = "pcie-root-port"
+  x-speed = "16"
+  x-width = "32"
+  multifunction = "on"
+  bus = "pcie.0"
+  addr = "1c.4"
+  port = "5"
+  chassis = "5"
+
+[device "ich9-pcie-port-6"]
+  driver = "pcie-root-port"
+  x-speed = "16"
+  x-width = "32"
+  multifunction = "on"
+  bus = "pcie.0"
+  addr = "1c.5"
+  port = "6"
+  chassis = "6"
+
+[device "ich9-pcie-port-7"]
+  driver = "pcie-root-port"
+  x-speed = "16"
+  x-width = "32"
+  multifunction = "on"
+  bus = "pcie.0"
+  addr = "1c.6"
+  port = "7"
+  chassis = "7"
+
+[device "ich9-pcie-port-8"]
+  driver = "pcie-root-port"
+  x-speed = "16"
+  x-width = "32"
+  multifunction = "on"
+  bus = "pcie.0"
+  addr = "1c.7"
+  port = "8"
+  chassis = "8"
+
+[device "ich9-pcie-port-9"]
+  driver = "pcie-root-port"
+  x-speed = "16"
+  x-width = "32"
+  multifunction = "on"
+  bus = "pcie.0"
+  addr = "1d.4"
+  port = "9"
+  chassis = "9"
+
+[device "ich9-pcie-port-10"]
+  driver = "pcie-root-port"
+  x-speed = "16"
+  x-width = "32"
+  multifunction = "on"
+  bus = "pcie.0"
+  addr = "1d.5"
+  port = "10"
+  chassis = "10"
+
 ##
 # Example PCIe switch with two downstream ports
 #
-- 
2.20.1





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