diff mbox series

[for-10.1,v9,1/9] hw/pci: Do not add ROM BAR for SR-IOV VF

Message ID 20250314-sriov-v9-1-57dae8ae3ab5@daynix.com (mailing list archive)
State New
Headers show
Series virtio-net: add support for SR-IOV emulation | expand

Commit Message

Akihiko Odaki March 14, 2025, 6:14 a.m. UTC 
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 mbox series

Patch

diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index 2844ec55560f..8460b6105338 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -2522,6 +2522,14 @@  static void pci_add_option_rom(PCIDevice *pdev, bool is_default_rom,
         return;
     }
 
+    if (pci_is_vf(pdev)) {
+        if (pdev->rom_bar > 0) {
+            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) {