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pcie_sriov: Ensure PF and VF are mutually exclusive 

A device cannot be a SR-IOV PF and a VF at the same time.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20240715-sriov-v5-3-3f5539093ffc@daynix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Akihiko Odaki 2024-07-15 14:19:09 +09:00 committed by Michael S. Tsirkin
parent ca6dd3aef8
commit 78f9d7fd19
1 changed files with 5 additions and 0 deletions
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5
hw/pci/pcie_sriov.c
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@ -42,6 +42,11 @@ bool pcie_sriov_pf_init(PCIDevice *dev, uint16_t offset,
uint8_t *cfg = dev->config + offset;
uint8_t *wmask;
if (pci_is_vf(dev)) {
error_setg(errp, "a device cannot be both an SR-IOV PF and a VF");
return false;
}
if (total_vfs) {
uint16_t ari_cap = pcie_find_capability(dev, PCI_EXT_CAP_ID_ARI);
uint16_t first_vf_devfn = dev->devfn + vf_offset;