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[PULL,v2,31/61] pcie_sriov: Check PCI Express for SR-IOV PF

Message ID 47cc753e50076c25334091783738be9f716253b1.1721731723.git.mst@redhat.com
State New
Headers show
Series [PULL,v2,01/61] hw/virtio/virtio-crypto: Fix op_code assignment in virtio_crypto_create_asym_session | expand

Commit Message

Michael S. Tsirkin July 23, 2024, 10:57 a.m. UTC 
From: Akihiko Odaki <akihiko.odaki@daynix.com>

SR-IOV requires PCI Express.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20240715-sriov-v5-4-3f5539093ffc@daynix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 hw/pci/pcie_sriov.c | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

diff --git a/hw/pci/pcie_sriov.c b/hw/pci/pcie_sriov.c
index 6c79658b4c..15a4aac1f4 100644
--- a/hw/pci/pcie_sriov.c
+++ b/hw/pci/pcie_sriov.c
@@ -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_express(dev)) {
+        error_setg(errp, "PCI Express is required for SR-IOV PF");
+        return false;
+    }
+
     if (pci_is_vf(dev)) {
         error_setg(errp, "a device cannot be both an SR-IOV PF and a VF");
         return false;