[PATCH 4/5] pci-stub: add more MSI functions

Paolo Bonzini posted 5 patches 6 years, 1 month ago
Maintainers: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Eduardo Habkost <ehabkost@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>, Richard Henderson <rth@twiddle.net>, Marcelo Tosatti <mtosatti@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>
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[PATCH 4/5] pci-stub: add more MSI functions
Posted by Paolo Bonzini 6 years, 1 month ago
On x86, KVM needs some function from the PCI subsystem in order to set
up interrupt routes.  Provide some stubs to support x86 machines that
lack PCI.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 hw/pci/pci-stub.c | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/hw/pci/pci-stub.c b/hw/pci/pci-stub.c
index c04a5df..cc2a2e1 100644
--- a/hw/pci/pci-stub.c
+++ b/hw/pci/pci-stub.c
@@ -26,6 +26,7 @@
 #include "qapi/qmp/qerror.h"
 #include "hw/pci/pci.h"
 #include "hw/pci/msi.h"
+#include "hw/pci/msix.h"
 
 bool msi_nonbroken;
 bool pci_available;
@@ -64,3 +65,29 @@ void msi_notify(PCIDevice *dev, unsigned int vector)
 {
     g_assert_not_reached();
 }
+
+/* Required by target/i386/kvm.c */
+bool msi_is_masked(const PCIDevice *dev, unsigned vector)
+{
+    g_assert_not_reached();
+}
+
+MSIMessage msi_get_message(PCIDevice *dev, unsigned int vector)
+{
+    g_assert_not_reached();
+}
+
+int msix_enabled(PCIDevice *dev)
+{
+    return false;
+}
+
+bool msix_is_masked(PCIDevice *dev, unsigned vector)
+{
+    g_assert_not_reached();
+}
+
+MSIMessage msix_get_message(PCIDevice *dev, unsigned int vector)
+{
+    g_assert_not_reached();
+}
-- 
1.8.3.1



Re: [PATCH 4/5] pci-stub: add more MSI functions
Posted by Sergio Lopez 6 years, 1 month ago
Paolo Bonzini <pbonzini@redhat.com> writes:

> On x86, KVM needs some function from the PCI subsystem in order to set
> up interrupt routes.  Provide some stubs to support x86 machines that
> lack PCI.
>
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
>  hw/pci/pci-stub.c | 27 +++++++++++++++++++++++++++
>  1 file changed, 27 insertions(+)

Reviewed-by: Sergio Lopez <slp@redhat.com>