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| author | Alex Williamson <alex.williamson@redhat.com> | 2016-06-30 13:00:24 -0600 |
|---|---|---|
| committer | Alex Williamson <alex.williamson@redhat.com> | 2016-06-30 13:00:24 -0600 |
| commit | 3cb3b1549f5401dc3a5e1d073e34063dc274136f (patch) | |
| tree | ec0084469c2c7391f2866680ba2c1319b6e2ae22 /hw/i386 | |
| parent | d22d8956b185c002b50a4d0883aff61f857347ef (diff) | |
| download | qemu-3cb3b1549f5401dc3a5e1d073e34063dc274136f.zip qemu-3cb3b1549f5401dc3a5e1d073e34063dc274136f.tar.gz qemu-3cb3b1549f5401dc3a5e1d073e34063dc274136f.tar.bz2 | |
intel_iommu: Throw hw_error on notify_started
We don't currently support the MemoryRegionIOMMUOps notifier, so throw
an error should a device require it.
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Peter Xu <peterx@redhat.com>
Tested-by: Peter Xu <peterx@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'hw/i386')
| -rw-r--r-- | hw/i386/intel_iommu.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 347718f..5eba704 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -24,6 +24,7 @@ #include "exec/address-spaces.h" #include "intel_iommu_internal.h" #include "hw/pci/pci.h" +#include "hw/pci/pci_bus.h" /*#define DEBUG_INTEL_IOMMU*/ #ifdef DEBUG_INTEL_IOMMU @@ -1871,6 +1872,16 @@ static IOMMUTLBEntry vtd_iommu_translate(MemoryRegion *iommu, hwaddr addr, return ret; } +static void vtd_iommu_notify_started(MemoryRegion *iommu) +{ + VTDAddressSpace *vtd_as = container_of(iommu, VTDAddressSpace, iommu); + + hw_error("Device at bus %s addr %02x.%d requires iommu notifier which " + "is currently not supported by intel-iommu emulation", + vtd_as->bus->qbus.name, PCI_SLOT(vtd_as->devfn), + PCI_FUNC(vtd_as->devfn)); +} + static const VMStateDescription vtd_vmstate = { .name = "iommu-intel", .unmigratable = 1, @@ -1938,6 +1949,7 @@ static void vtd_init(IntelIOMMUState *s) memset(s->womask, 0, DMAR_REG_SIZE); s->iommu_ops.translate = vtd_iommu_translate; + s->iommu_ops.notify_started = vtd_iommu_notify_started; s->root = 0; s->root_extended = false; s->dmar_enabled = false; |