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[PATCH v5 1/8] hw/pci: Do not add ROM BAR for SR-IOV VF
From: |
Akihiko Odaki |
Subject: |
[PATCH v5 1/8] hw/pci: Do not add ROM BAR for SR-IOV VF |
Date: |
Mon, 15 Jul 2024 14:19:07 +0900 |
A SR-IOV VF cannot have a ROM BAR.
Co-developed-by: Yui Washizu <yui.washidu@gmail.com>
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
---
hw/pci/pci.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index ca8fb5383765..497a057b79f9 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -2412,6 +2412,14 @@ static void pci_add_option_rom(PCIDevice *pdev, bool
is_default_rom,
return;
}
+ if (pci_is_vf(pdev)) {
+ if (pdev->rom_bar == ON_OFF_AUTO_ON) {
+ error_setg(errp, "ROM BAR cannot be enabled for SR-IOV VF");
+ }
+
+ return;
+ }
+
if (load_file || pdev->romsize == UINT32_MAX) {
path = qemu_find_file(QEMU_FILE_TYPE_BIOS, pdev->romfile);
if (path == NULL) {
--
2.45.2
- [PATCH v5 0/8] virtio-net: add support for SR-IOV emulation, Akihiko Odaki, 2024/07/15
- [PATCH v5 1/8] hw/pci: Do not add ROM BAR for SR-IOV VF,
Akihiko Odaki <=
- [PATCH v5 4/8] pcie_sriov: Check PCI Express for SR-IOV PF, Akihiko Odaki, 2024/07/15
- [PATCH v5 2/8] hw/pci: Fix SR-IOV VF number calculation, Akihiko Odaki, 2024/07/15
- [PATCH v5 5/8] pcie_sriov: Allow user to create SR-IOV device, Akihiko Odaki, 2024/07/15
- [PATCH v5 7/8] virtio-net: Implement SR-IOV VF, Akihiko Odaki, 2024/07/15
- [PATCH v5 3/8] pcie_sriov: Ensure PF and VF are mutually exclusive, Akihiko Odaki, 2024/07/15
- [PATCH v5 6/8] virtio-pci: Implement SR-IOV PF, Akihiko Odaki, 2024/07/15
- [PATCH v5 8/8] docs: Document composable SR-IOV device, Akihiko Odaki, 2024/07/15
- Re: [PATCH v5 0/8] virtio-net: add support for SR-IOV emulation, Michael S. Tsirkin, 2024/07/30