qemu/Revert-hw-arm-smmuv3-Allow-MAP-notifiers.patch

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From 27fb5c981f920fe6ee1345d35d5c3b6cff1b1ce6 Mon Sep 17 00:00:00 2001
From: Kunkun Jiang <jiangkunkun@huawei.com>
Date: Fri, 18 Nov 2022 15:22:29 +0800
Subject: [PATCH 11/36] Revert "hw/arm/smmuv3: Allow MAP notifiers"
This reverts commit dc126664134989975ce9ab9e7d5d2c8916628bf6.
Signed-off-by: Kunkun Jiang <jiangkunkun@huawei.com>
---
hw/arm/smmuv3.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c
index 55e78db65d..ed932d3340 100644
--- a/hw/arm/smmuv3.c
+++ b/hw/arm/smmuv3.c
@@ -1632,6 +1632,14 @@ static int smmuv3_notify_flag_changed(IOMMUMemoryRegion *iommu,
return -EINVAL;
}
+ if (new & IOMMU_NOTIFIER_MAP) {
+ error_setg(errp,
+ "device %02x.%02x.%x requires iommu MAP notifier which is "
+ "not currently supported", pci_bus_num(sdev->bus),
+ PCI_SLOT(sdev->devfn), PCI_FUNC(sdev->devfn));
+ return -EINVAL;
+ }
+
if (old == IOMMU_NOTIFIER_NONE) {
trace_smmuv3_notify_flag_add(iommu->parent_obj.name);
QLIST_INSERT_HEAD(&s->devices_with_notifiers, sdev, next);
--
2.27.0