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[PATCH for-9.2 v7 3/9] pcie_sriov: Ensure PF and VF are mutually exclusi
From: |
Akihiko Odaki |
Subject: |
[PATCH for-9.2 v7 3/9] pcie_sriov: Ensure PF and VF are mutually exclusive |
Date: |
Tue, 13 Aug 2024 15:37:02 +0900 |
A device cannot be a SR-IOV PF and a VF at the same time.
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 1eae9f0a0acf..e1b4ecf79ff9 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_vf(dev)) {
+ error_setg(errp, "a device cannot be a SR-IOV PF and a VF at the same
time");
+ return false;
+ }
+
pcie_add_capability(dev, PCI_EXT_CAP_ID_SRIOV, 1,
offset, PCI_EXT_CAP_SRIOV_SIZEOF);
dev->exp.sriov_cap = offset;
--
2.46.0
- [PATCH for-9.2 v7 0/9] virtio-net: add support for SR-IOV emulation, Akihiko Odaki, 2024/08/13
- [PATCH for-9.2 v7 1/9] hw/pci: Do not add ROM BAR for SR-IOV VF, Akihiko Odaki, 2024/08/13
- [PATCH for-9.2 v7 2/9] hw/pci: Fix SR-IOV VF number calculation, Akihiko Odaki, 2024/08/13
- [PATCH for-9.2 v7 3/9] pcie_sriov: Ensure PF and VF are mutually exclusive,
Akihiko Odaki <=
- [PATCH for-9.2 v7 4/9] pcie_sriov: Check PCI Express for SR-IOV PF, Akihiko Odaki, 2024/08/13
- [PATCH for-9.2 v7 5/9] pcie_sriov: Allow user to create SR-IOV device, Akihiko Odaki, 2024/08/13
- [PATCH for-9.2 v7 6/9] virtio-pci: Implement SR-IOV PF, Akihiko Odaki, 2024/08/13
- [PATCH for-9.2 v7 7/9] virtio-net: Implement SR-IOV VF, Akihiko Odaki, 2024/08/13
- [PATCH for-9.2 v7 8/9] docs: Document composable SR-IOV device, Akihiko Odaki, 2024/08/13
- [PATCH for-9.2 v7 9/9] pcie_sriov: Make a PCI device with user-created VF ARI-capable, Akihiko Odaki, 2024/08/13
- Re: [PATCH for-9.2 v7 0/9] virtio-net: add support for SR-IOV emulation, Yui Washizu, 2024/08/21