40 lines
1.4 KiB
Diff
40 lines
1.4 KiB
Diff
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From 58f66c2581b3c4a45a02717330f1b2188424889b Mon Sep 17 00:00:00 2001
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From: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
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Date: Wed, 15 Jan 2025 16:11:21 +0000
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Subject: [PATCH] smmu-common: Return sysmem address space only for vfio-pci
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This will enable pcie-root-port hotplug event irq to work.
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Discussion Link: https://lore.kernel.org/qemu-devel/74114c0db34b420a90e9fe5bd991767e@huawei.com/
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Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
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---
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hw/arm/smmu-common.c | 9 ++++++++-
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1 file changed, 8 insertions(+), 1 deletion(-)
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diff --git a/hw/arm/smmu-common.c b/hw/arm/smmu-common.c
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index 3a257a5b0e..6c4b82757f 100644
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--- a/hw/arm/smmu-common.c
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+++ b/hw/arm/smmu-common.c
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@@ -639,9 +639,16 @@ static AddressSpace *smmu_find_add_as(PCIBus *bus, void *opaque, int devfn)
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SMMUState *s = opaque;
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SMMUPciBus *sbus = smmu_get_sbus(s, bus);
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SMMUDevice *sdev = smmu_get_sdev(s, sbus, bus, devfn);
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+ bool is_vfio = false;
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+ PCIDevice *pdev;
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+
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+ pdev = pci_find_device(bus, pci_bus_num(bus), devfn);
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+ if (object_dynamic_cast(OBJECT(pdev), "vfio-pci")) {
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+ is_vfio = true;
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+ }
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/* Return the system as if the device uses stage-2 only */
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- if (s->nested && !sdev->s1_hwpt) {
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+ if (s->nested && !sdev->s1_hwpt && is_vfio) {
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return &sdev->as_sysmem;
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} else {
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return &sdev->as;
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--
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2.41.0.windows.1
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