diff mbox series

[v2,06/13] hw/pci-host/q35: Initialize "bypass-iommu" property from board code

Message ID 20230304152648.103749-7-shentey@gmail.com
State New
Headers show
Series Q35 PCI host fixes and QOM cleanup | expand

Commit Message

Bernhard Beschow March 4, 2023, 3:26 p.m. UTC 
The Q35 PCI host already has a "bypass-iommu" property. However, the
host initializes this property itself by accessing global machine state,
thereby assuming it to be a PC machine. Avoid this by having board code
set this property.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
---
 hw/i386/pc_q35.c  | 2 ++
 hw/pci-host/q35.c | 3 +--
 2 files changed, 3 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index 42e79433a5..d620d92214 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -231,6 +231,8 @@  static void pc_q35_init(MachineState *machine)
                             x86ms->below_4g_mem_size, NULL);
     object_property_set_int(phb, PCI_HOST_ABOVE_4G_MEM_SIZE,
                             x86ms->above_4g_mem_size, NULL);
+    object_property_set_bool(phb, PCI_HOST_BYPASS_IOMMU,
+                             pcms->default_bus_bypass_iommu, NULL);
     sysbus_realize_and_unref(SYS_BUS_DEVICE(phb), &error_fatal);
 
     /* pci */
diff --git a/hw/pci-host/q35.c b/hw/pci-host/q35.c
index 9d21915a55..f070842312 100644
--- a/hw/pci-host/q35.c
+++ b/hw/pci-host/q35.c
@@ -66,8 +66,7 @@  static void q35_host_realize(DeviceState *dev, Error **errp)
                                 s->mch.pci_address_space,
                                 s->mch.address_space_io,
                                 0, TYPE_PCIE_BUS);
-    pci->bypass_iommu =
-        PC_MACHINE(qdev_get_machine())->default_bus_bypass_iommu;
+
     qdev_realize(DEVICE(&s->mch), BUS(pci->bus), &error_fatal);
 }