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List:       qemu-block
Subject:    [PATCH RFC v4 4/7] pcie_sriov: Check PCI Express for SR-IOV PF
From:       Akihiko Odaki <akihiko.odaki () daynix ! com>
Date:       2024-04-28 9:05:44
Message-ID: 20240428-sriov-v4-4-ac8ac6212982 () daynix ! com
[Download RAW message or body]

SR-IOV requires PCI Express.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
---
 hw/pci/pcie_sriov.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/hw/pci/pcie_sriov.c b/hw/pci/pcie_sriov.c
index ec8fc0757b92..3af0cc7d560a 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 a SR-IOV PF and a VF at the same time");
         return false;

-- 
2.44.0


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