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[Qemu-devel] [PATCH 2/2] i440fx: print an error message if user tries to
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From: |
Bandan Das |
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Subject: |
[Qemu-devel] [PATCH 2/2] i440fx: print an error message if user tries to enable iommu |
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Date: |
Wed, 11 Nov 2015 22:36:16 -0500 |
There's no indication of any sort that i440fx doesn't support
"iommu=on""
Signed-off-by: Bandan Das <address@hidden>
---
hw/pci-host/piix.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/hw/pci-host/piix.c b/hw/pci-host/piix.c
index 7b2fbf9..f12593a 100644
--- a/hw/pci-host/piix.c
+++ b/hw/pci-host/piix.c
@@ -301,6 +301,10 @@ static void i440fx_pcihost_realize(DeviceState *dev, Error
**errp)
static void i440fx_realize(PCIDevice *dev, Error **errp)
{
dev->config[I440FX_SMRAM] = 0x02;
+
+ if (object_property_get_bool(qdev_get_machine(), "iommu", NULL)) {
+ fprintf(stderr, "i440fx doesn't support emulated iommu\n");
+ }
}
PCIBus *i440fx_init(const char *host_type, const char *pci_type,
--
2.6.1