From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from firstgate.proxmox.com (firstgate.proxmox.com [212.224.123.68]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.proxmox.com (Postfix) with ESMTPS id 1FD0063708 for ; Fri, 25 Feb 2022 13:01:24 +0100 (CET) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id 0F48521C99 for ; Fri, 25 Feb 2022 13:00:54 +0100 (CET) Received: from proxmox-new.maurer-it.com (proxmox-new.maurer-it.com [94.136.29.106]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by firstgate.proxmox.com (Proxmox) with ESMTPS id 772C321C8D for ; Fri, 25 Feb 2022 13:00:52 +0100 (CET) Received: from proxmox-new.maurer-it.com (localhost.localdomain [127.0.0.1]) by proxmox-new.maurer-it.com (Proxmox) with ESMTP id 3E60341AFD for ; Fri, 25 Feb 2022 13:00:52 +0100 (CET) From: Markus Frank To: pve-devel@lists.proxmox.com Date: Fri, 25 Feb 2022 13:00:28 +0100 Message-Id: <20220225120028.1768349-1-m.frank@proxmox.com> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SPAM-LEVEL: Spam detection results: 0 AWL 0.001 Adjusted score from AWL reputation of From: address BAYES_00 -1.9 Bayes spam probability is 0 to 1% KAM_DMARC_STATUS 0.01 Test Rule for DKIM or SPF Failure with Strict Alignment SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_PASS -0.001 SPF: sender matches SPF record T_SCC_BODY_TEXT_LINE -0.01 - Subject: [pve-devel] [PATCH qemu-server] fix #3784: Parameter for guest vIOMMU X-BeenThere: pve-devel@lists.proxmox.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Proxmox VE development discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 25 Feb 2022 12:01:24 -0000 added a Parameter for vIOMMU so nobody has to use a github-script or change the kvm command on every vm boot. The args parameter doesn't work because the -device parameter(kvm) with intel-iommu has to be placed before the other arguments. Signed-off-by: Markus Frank --- PVE/QemuServer.pm | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm index 42f0fbd..a09dd2e 100644 --- a/PVE/QemuServer.pm +++ b/PVE/QemuServer.pm @@ -647,6 +647,12 @@ EODESCR ." remove disk operations.", default => 0, }, + viommu => { + optional => 1, + type => 'boolean', + description => "enable guest vIOMMU", + default => 0, + }, bios => { optional => 1, type => 'string', @@ -3427,6 +3433,9 @@ sub config_to_command { my $winversion = windows_version($ostype); my $kvm = $conf->{kvm}; my $nodename = nodename(); + my $viommu = $conf->{viommu}; + + push @$devices, '-device', 'intel-iommu,intremap=on,caching-mode=on' if $viommu; my $arch = get_vm_arch($conf); my $kvm_binary = get_command_for_arch($arch); @@ -4021,6 +4030,8 @@ sub config_to_command { } push @$machineFlags, "type=${machine_type_min}"; + push @$machineFlags, 'accel=kvm,kernel-irqchip=split' if $viommu; + push @$cmd, @$devices; push @$cmd, '-rtc', join(',', @$rtcFlags) if scalar(@$rtcFlags); push @$cmd, '-machine', join(',', @$machineFlags) if scalar(@$machineFlags); -- 2.30.2