From: Dominik Csapak <d.csapak@proxmox.com>
To: Fiona Ebner <f.ebner@proxmox.com>,
Proxmox VE development discussion <pve-devel@lists.proxmox.com>
Subject: Re: [pve-devel] [PATCH qemu-server v3 07/10] pci: set 'enable-migration' to on for live-migration marked mapped devices
Date: Wed, 5 Jun 2024 10:51:10 +0200 [thread overview]
Message-ID: <1cef7702-7fdc-477f-b8f9-b8ce8fe6c28b@proxmox.com> (raw)
In-Reply-To: <e4098966-e898-4e3a-856d-21a64f30f9d9@proxmox.com>
On 5/31/24 14:56, Fiona Ebner wrote:
> Am 19.04.24 um 14:45 schrieb Dominik Csapak:
>> the default is 'auto', but for those which are marked as capable for
>> live migration, we want to explicitly enable that, so we get an early
>> error on start if the driver does not support that.
>>
>> Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
>> ---
>> PVE/QemuServer/PCI.pm | 9 ++++++++-
>> 1 file changed, 8 insertions(+), 1 deletion(-)
>>
>> diff --git a/PVE/QemuServer/PCI.pm b/PVE/QemuServer/PCI.pm
>> index 6ba43ee8..df2ea3eb 100644
>> --- a/PVE/QemuServer/PCI.pm
>> +++ b/PVE/QemuServer/PCI.pm
>> @@ -435,8 +435,11 @@ sub parse_hostpci {
>> my $devices = PVE::Mapping::PCI::get_node_mapping($config, $mapping, $node);
>> die "PCI device mapping not found for '$mapping'\n" if !$devices || !scalar($devices->@*);
>>
>> + my $cfg = $config->{ids}->{$mapping};
>> + $res->{'live-migration-capable'} = 1 if $cfg->{'live-migration-capable'};
>> +
>> for my $device ($devices->@*) {
>> - eval { PVE::Mapping::PCI::assert_valid($mapping, $device, $config->{ids}->{$mapping}) };
>> + eval { PVE::Mapping::PCI::assert_valid($mapping, $device, $cfg) };
>
>
> This hunk belongs in patch 03/10)
why though?
in 03/10 i adapt to the new $cfg parameter to check the mdev parameter,
and here i refactor it because we have to access it twice
(for the live-migration-capable flag)
i mean i can pull it out into the $cfg before, but the the live-migration
part does IMO not belong in 03/10
>
>> die "PCI device mapping invalid (hardware probably changed): $@\n" if $@;
>> push $alternatives->@*, [split(/;/, $device->{path})];
>> }
>> @@ -635,6 +638,10 @@ sub print_hostpci_devices {
>> $devicestr .= ",host=$pcidevice->{id}";
>> }
>>
>> + if ($d->{'live-migration-capable'}) {
>> + $devicestr .= ",enable-migration=on"
>> + }
>> +
>> my $mf_addr = $multifunction ? ".$j" : '';
>> $devicestr .= ",id=${id}${mf_addr}${pciaddr}${mf_addr}";
>>
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next prev parent reply other threads:[~2024-06-05 8:51 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-19 12:45 [pve-devel] [PATCH guest-common/qemu-server/manager/docs v3 0/4] implement experimental vgpu live migration Dominik Csapak
2024-04-19 12:45 ` [pve-devel] [PATCH guest-common v3 1/4] mapping: pci: rework properties check Dominik Csapak
2024-05-31 11:37 ` Fiona Ebner
2024-04-19 12:45 ` [pve-devel] [PATCH guest-common v3 2/4] mapping: pci: check the mdev configuration on the device too Dominik Csapak
2024-05-31 12:02 ` Fiona Ebner
2024-04-19 12:45 ` [pve-devel] [PATCH guest-common v3 3/4] mapping: pci: add 'live-migration-capable' flag to mappings Dominik Csapak
2024-04-19 12:45 ` [pve-devel] [PATCH guest-common v3 4/4] mapping: remove find_on_current_node Dominik Csapak
2024-05-31 12:09 ` Fiona Ebner
2024-04-19 12:45 ` [pve-devel] [PATCH qemu-server v3 01/10] usb: mapping: move implementation of find_on_current_node here Dominik Csapak
2024-04-19 12:45 ` [pve-devel] [PATCH qemu-server v3 02/10] pci: " Dominik Csapak
2024-04-19 12:45 ` [pve-devel] [PATCH qemu-server v3 03/10] pci: mapping: check mdev config against hardware Dominik Csapak
2024-04-19 12:45 ` [pve-devel] [PATCH qemu-server v3 04/10] stop cleanup: remove unnecessary tpmstate cleanup Dominik Csapak
2024-05-31 12:56 ` Fiona Ebner
2024-04-19 12:45 ` [pve-devel] [PATCH qemu-server v3 05/10] vm_stop_cleanup: add noerr parameter Dominik Csapak
2024-04-19 12:45 ` [pve-devel] [PATCH qemu-server v3 06/10] migrate: call vm_stop_cleanup after stopping in phase3_cleanup Dominik Csapak
2024-05-31 12:56 ` Fiona Ebner
2024-06-05 8:49 ` Dominik Csapak
2024-04-19 12:45 ` [pve-devel] [PATCH qemu-server v3 07/10] pci: set 'enable-migration' to on for live-migration marked mapped devices Dominik Csapak
2024-05-31 12:56 ` Fiona Ebner
2024-06-05 8:51 ` Dominik Csapak [this message]
2024-06-05 9:31 ` Fiona Ebner
2024-04-19 12:45 ` [pve-devel] [PATCH qemu-server v3 08/10] check_local_resources: add more info per mapped device and return as hash Dominik Csapak
2024-05-31 13:05 ` Fiona Ebner
2024-04-19 12:45 ` [pve-devel] [PATCH qemu-server v3 09/10] api: enable live migration for marked mapped pci devices Dominik Csapak
2024-05-31 13:13 ` Fiona Ebner
2024-04-19 12:45 ` [pve-devel] [PATCH qemu-server v3 10/10] api: include not mapped resources for running vms in migrate preconditions Dominik Csapak
2024-05-31 13:37 ` Fiona Ebner
2024-06-05 9:21 ` Dominik Csapak
2024-06-05 9:38 ` Fiona Ebner
2024-04-19 12:45 ` [pve-devel] [PATCH manager v3 1/5] mapping: pci: include mdev in config checks Dominik Csapak
2024-04-19 12:45 ` [pve-devel] [PATCH manager v3 2/5] bulk migrate: improve precondition checks Dominik Csapak
2024-04-19 12:45 ` [pve-devel] [PATCH manager v3 3/5] bulk migrate: include checks for live-migratable local resources Dominik Csapak
2024-04-19 12:45 ` [pve-devel] [PATCH manager v3 4/5] ui: adapt migration window to precondition api change Dominik Csapak
2024-04-19 12:45 ` [pve-devel] [PATCH manager v3 5/5] fix #5175: ui: allow configuring and live migration of mapped pci resources Dominik Csapak
2024-04-19 12:45 ` [pve-devel] [PATCH docs v3 1/2] qm: resource mapping: add description for `mdev` option Dominik Csapak
2024-04-19 12:45 ` [pve-devel] [PATCH docs v3 2/2] qm: resource mapping: document `live-migration-capable` setting Dominik Csapak
2024-05-28 7:25 ` [pve-devel] [PATCH guest-common/qemu-server/manager/docs v3 0/4] implement experimental vgpu live migration Dominik Csapak
2024-05-31 8:11 ` Eneko Lacunza via pve-devel
[not found] ` <954884c6-3a53-4b3a-bdc8-93478037b6a6@binovo.es>
2024-05-31 8:41 ` Dominik Csapak
2024-06-03 8:43 ` Eneko Lacunza via pve-devel
2024-05-31 11:14 ` Fiona Ebner
2024-06-05 8:01 ` Dominik Csapak
2024-05-31 13:40 ` Fiona Ebner
2024-06-06 9:38 ` Dominik Csapak
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