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authorRichard Henderson2021-11-03 00:24:17 +0100
committerRichard Henderson2021-11-03 00:24:17 +0100
commit7fa736595e70b7f6e7a31779c1cf319f38ff59d6 (patch)
tree76c5da81e2093850dca849e2a66c1a1723902f63 /hw/i386/x86-iommu.c
parentMerge remote-tracking branch 'remotes/philmd/tags/mips-20211102' into staging (diff)
parenthw/i386: fix vmmouse registration (diff)
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
pc,pci,virtio: features, fixes virtio-iommu support for x86/ACPI. Fixes, cleanups all over the place. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Mon 01 Nov 2021 07:36:22 PM EDT # gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469 # gpg: issuer "mst@redhat.com" # gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full] # gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full] * remotes/mst/tags/for_upstream: hw/i386: fix vmmouse registration pci: Export pci_for_each_device_under_bus*() pci: Define pci_bus_dev_fn/pci_bus_fn/pci_bus_ret_fn hw/i386/pc: Allow instantiating a virtio-iommu device hw/i386/pc: Move IOMMU singleton into PCMachineState hw/i386/pc: Remove x86_iommu_get_type() hw/acpi: Add VIOT table vhost-vdpa: Set discarding of RAM broken when initializing the backend qtest: fix 'expression is always false' build failure in qtest_has_accel() Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'hw/i386/x86-iommu.c')
-rw-r--r--hw/i386/x86-iommu.c31
1 files changed, 8 insertions, 23 deletions
diff --git a/hw/i386/x86-iommu.c b/hw/i386/x86-iommu.c
index 86ad03972e..01d11325a6 100644
--- a/hw/i386/x86-iommu.c
+++ b/hw/i386/x86-iommu.c
@@ -77,30 +77,17 @@ void x86_iommu_irq_to_msi_message(X86IOMMUIrq *irq, MSIMessage *msg_out)
msg_out->data = msg.msi_data;
}
-/* Default X86 IOMMU device */
-static X86IOMMUState *x86_iommu_default = NULL;
-
-static void x86_iommu_set_default(X86IOMMUState *x86_iommu)
-{
- assert(x86_iommu);
-
- if (x86_iommu_default) {
- error_report("QEMU does not support multiple vIOMMUs "
- "for x86 yet.");
- exit(1);
- }
-
- x86_iommu_default = x86_iommu;
-}
-
X86IOMMUState *x86_iommu_get_default(void)
{
- return x86_iommu_default;
-}
+ MachineState *ms = MACHINE(qdev_get_machine());
+ PCMachineState *pcms =
+ PC_MACHINE(object_dynamic_cast(OBJECT(ms), TYPE_PC_MACHINE));
-IommuType x86_iommu_get_type(void)
-{
- return x86_iommu_default->type;
+ if (pcms &&
+ object_dynamic_cast(OBJECT(pcms->iommu), TYPE_X86_IOMMU_DEVICE)) {
+ return X86_IOMMU_DEVICE(pcms->iommu);
+ }
+ return NULL;
}
static void x86_iommu_realize(DeviceState *dev, Error **errp)
@@ -136,8 +123,6 @@ static void x86_iommu_realize(DeviceState *dev, Error **errp)
if (x86_class->realize) {
x86_class->realize(dev, errp);
}
-
- x86_iommu_set_default(X86_IOMMU_DEVICE(dev));
}
static Property x86_iommu_properties[] = {