motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-05 00:33:55 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

hw/pci: Introduce pci_device_[set|unset]_iommu_device()

Browse source 
pci_device_[set|unset]_iommu_device() call pci_device_get_iommu_bus_devfn()
to get iommu_bus->iommu_ops and call [set|unset]_iommu_device callback to
set/unset HostIOMMUDevice for a given PCI device.

Signed-off-by: Yi Liu <yi.l.liu@intel.com>
Signed-off-by: Yi Sun <yi.y.sun@linux.intel.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Yi Liu 2024-06-05 16:30:39 +08:00 • committed by Cédric Le Goater
parent 6c8ed5fea1
commit b025ea6886
2 changed files with 64 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

27
hw/pci/pci.c
View file

@ -2742,6 +2742,33 @@ AddressSpace *pci_device_iommu_address_space(PCIDevice *dev)
return &address_space_memory;
}
bool pci_device_set_iommu_device(PCIDevice *dev, HostIOMMUDevice *hiod,
Error **errp)
{
PCIBus *iommu_bus;
/* set_iommu_device requires device's direct BDF instead of aliased BDF */
pci_device_get_iommu_bus_devfn(dev, &iommu_bus, NULL, NULL);
if (iommu_bus && iommu_bus->iommu_ops->set_iommu_device) {
return iommu_bus->iommu_ops->set_iommu_device(pci_get_bus(dev),
iommu_bus->iommu_opaque,
dev->devfn, hiod, errp);
}
return true;
}
void pci_device_unset_iommu_device(PCIDevice *dev)
{
PCIBus *iommu_bus;
pci_device_get_iommu_bus_devfn(dev, &iommu_bus, NULL, NULL);
if (iommu_bus && iommu_bus->iommu_ops->unset_iommu_device) {
return iommu_bus->iommu_ops->unset_iommu_device(pci_get_bus(dev),
iommu_bus->iommu_opaque,
dev->devfn);
}
}
void pci_setup_iommu(PCIBus *bus, const PCIIOMMUOps *ops, void *opaque)
{
/*