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| author | Jagannathan Raman <jag.raman@oracle.com> | 2022-06-13 16:26:30 -0400 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2022-06-15 16:43:42 +0100 |
| commit | 253007d14712fb172a59f164fe5828565e2af112 (patch) | |
| tree | bde6f40c79c4f02014ae8047cec3011cc3e6b505 /hw/remote/machine.c | |
| parent | 90072f29d677d60694cad09c1d648f38a1e20456 (diff) | |
| download | focaccia-qemu-253007d14712fb172a59f164fe5828565e2af112.tar.gz focaccia-qemu-253007d14712fb172a59f164fe5828565e2af112.zip | |
vfio-user: IOMMU support for remote device
Assign separate address space for each device in the remote processes. Signed-off-by: Elena Ufimtseva <elena.ufimtseva@oracle.com> Signed-off-by: John G Johnson <john.g.johnson@oracle.com> Signed-off-by: Jagannathan Raman <jag.raman@oracle.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: afe0b0a97582cdad42b5b25636a29c523265a10a.1655151679.git.jag.raman@oracle.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'hw/remote/machine.c')
| -rw-r--r-- | hw/remote/machine.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/hw/remote/machine.c b/hw/remote/machine.c index 4d008ed721..cbb2add291 100644 --- a/hw/remote/machine.c +++ b/hw/remote/machine.c @@ -20,6 +20,7 @@ #include "qapi/error.h" #include "hw/pci/pci_host.h" #include "hw/remote/iohub.h" +#include "hw/remote/iommu.h" #include "hw/qdev-core.h" static void remote_machine_init(MachineState *machine) @@ -99,6 +100,16 @@ static void remote_machine_instance_init(Object *obj) s->auto_shutdown = true; } +static void remote_machine_dev_unplug_cb(HotplugHandler *hotplug_dev, + DeviceState *dev, Error **errp) +{ + qdev_unrealize(dev); + + if (object_dynamic_cast(OBJECT(dev), TYPE_PCI_DEVICE)) { + remote_iommu_unplug_dev(PCI_DEVICE(dev)); + } +} + static void remote_machine_class_init(ObjectClass *oc, void *data) { MachineClass *mc = MACHINE_CLASS(oc); @@ -107,7 +118,7 @@ static void remote_machine_class_init(ObjectClass *oc, void *data) mc->init = remote_machine_init; mc->desc = "Experimental remote machine"; - hc->unplug = qdev_simple_device_unplug_cb; + hc->unplug = remote_machine_dev_unplug_cb; object_class_property_add_bool(oc, "vfio-user", remote_machine_get_vfio_user, |