From: Jan Kiszka <jan.kis...@siemens.com> The spec says (and real HW confirms this) that, if the bus master bit is 0, the device will not generate any PCI accesses. MSI and MSI-X messages fall among these.
Signed-off-by: Jan Kiszka <jan.kis...@siemens.com>
---
hw/pci/msi.c | 4 ++++
hw/pci/msix.c | 4 ++++
2 files changed, 8 insertions(+)
diff --git a/hw/pci/msi.c b/hw/pci/msi.c
index a4a3040..36b651b 100644
--- a/hw/pci/msi.c
+++ b/hw/pci/msi.c
@@ -285,6 +285,10 @@ void msi_notify(PCIDevice *dev, unsigned int vector)
return;
}
+ if (!(pci_get_word(dev->config + PCI_COMMAND) & PCI_COMMAND_MASTER)) {
+ return;
+ }
+
msg = msi_get_message(dev, vector);
MSI_DEV_PRINTF(dev,
diff --git a/hw/pci/msix.c b/hw/pci/msix.c
index 5c49bfc..c77ae7d 100644
--- a/hw/pci/msix.c
+++ b/hw/pci/msix.c
@@ -437,6 +437,10 @@ void msix_notify(PCIDevice *dev, unsigned vector)
return;
}
+ if (!(pci_get_word(dev->config + PCI_COMMAND) & PCI_COMMAND_MASTER)) {
+ return;
+ }
+
msg = msix_get_message(dev, vector);
stl_le_phys(&address_space_memory, msg.address, msg.data);
--
1.8.1.1.298.ge7eed54
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