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