diff options
| author | David Gibson <david@gibson.dropbear.id.au> | 2016-02-29 17:19:50 +1100 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2016-03-16 09:55:11 +1100 |
| commit | 72700d7e733948fa7fbb735ccdf2209931c88476 (patch) | |
| tree | 25eaafffe0e721b99d5c300d431fd95b7e23c9ba /include/hw/pci-host/spapr.h | |
| parent | c1fa017c7e9b017ec0a75f8added7f9c4864fe8a (diff) | |
spapr_pci: (Mostly) remove spapr-pci-vfio-host-bridge
Now that the regular spapr-pci-host-bridge can handle EEH, there are only
two things that spapr-pci-vfio-host-bridge does differently:
1. automatically sizes its DMA window to match the host IOMMU
2. checks if the attached VFIO container is backed by the
VFIO_SPAPR_TCE_IOMMU type on the host
(1) is not particularly useful, since the default window used by the
regular host bridge will work with the host IOMMU configuration on all
current systems anyway.
Plus, automatically changing guest visible configuration (such as the DMA
window) based on host settings is generally a bad idea. It's not
definitively broken, since spapr-pci-vfio-host-bridge is only supposed to
support VFIO devices which can't be migrated anyway, but still.
(2) is not really useful, because if a guest tries to configure EEH on a
different host IOMMU, the first call will fail and that will be that.
It's possible there are scripts or tools out there which expect
spapr-pci-vfio-host-bridge, so we don't remove it entirely. This patch
reduces it to just a stub for backwards compatibility.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Diffstat (limited to 'include/hw/pci-host/spapr.h')
| -rw-r--r-- | include/hw/pci-host/spapr.h | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/include/hw/pci-host/spapr.h b/include/hw/pci-host/spapr.h index 19a95e0706..a08235eecb 100644 --- a/include/hw/pci-host/spapr.h +++ b/include/hw/pci-host/spapr.h @@ -28,14 +28,10 @@ #include "hw/ppc/xics.h" #define TYPE_SPAPR_PCI_HOST_BRIDGE "spapr-pci-host-bridge" -#define TYPE_SPAPR_PCI_VFIO_HOST_BRIDGE "spapr-pci-vfio-host-bridge" #define SPAPR_PCI_HOST_BRIDGE(obj) \ OBJECT_CHECK(sPAPRPHBState, (obj), TYPE_SPAPR_PCI_HOST_BRIDGE) -#define SPAPR_PCI_VFIO_HOST_BRIDGE(obj) \ - OBJECT_CHECK(sPAPRPHBVFIOState, (obj), TYPE_SPAPR_PCI_VFIO_HOST_BRIDGE) - #define SPAPR_PCI_HOST_BRIDGE_CLASS(klass) \ OBJECT_CLASS_CHECK(sPAPRPHBClass, (klass), TYPE_SPAPR_PCI_HOST_BRIDGE) #define SPAPR_PCI_HOST_BRIDGE_GET_CLASS(obj) \ @@ -43,7 +39,6 @@ typedef struct sPAPRPHBClass sPAPRPHBClass; typedef struct sPAPRPHBState sPAPRPHBState; -typedef struct sPAPRPHBVFIOState sPAPRPHBVFIOState; struct sPAPRPHBClass { PCIHostBridgeClass parent_class; @@ -90,12 +85,6 @@ struct sPAPRPHBState { QLIST_ENTRY(sPAPRPHBState) list; }; -struct sPAPRPHBVFIOState { - sPAPRPHBState phb; - - int32_t iommugroupid; -}; - #define SPAPR_PCI_MAX_INDEX 255 #define SPAPR_PCI_BASE_BUID 0x800000020000000ULL |