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From: Bernhard Beschow <shentey@gmail.com>
To: qemu-devel@nongnu.org
Cc: Richard Henderson <richard.henderson@linaro.org>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	Marcel Apfelbaum <marcel.apfelbaum@gmail.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Eduardo Habkost <eduardo@habkost.net>,
	Bernhard Beschow <shentey@gmail.com>
Subject: [PATCH 05/12] hw/pci-host/q35: Initialize "bypass-iommu" property from board code
Date: Tue, 14 Feb 2023 14:14:34 +0100	[thread overview]
Message-ID: <20230214131441.101760-6-shentey@gmail.com> (raw)
In-Reply-To: <20230214131441.101760-1-shentey@gmail.com>

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 --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index c2dc87acee..b3c55012d4 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, "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 26e9e28e0e..0e198f97a7 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);
 }
 
-- 
2.39.1



  parent reply	other threads:[~2023-02-14 13:17 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-14 13:14 [PATCH 00/12] Q35 PCI host fixes and QOM cleanup Bernhard Beschow
2023-02-14 13:14 ` [PATCH 01/12] hw/i386/pc_q35: Resolve redundant q35_host variable Bernhard Beschow
2023-02-14 13:14 ` [PATCH 02/12] hw/pci-host/q35: Fix contradicting .endianness assignment Bernhard Beschow
2023-03-01 21:43   ` Michael S. Tsirkin
2023-03-01 21:44   ` Michael S. Tsirkin
2023-02-14 13:14 ` [PATCH 03/12] hw/pci-host/q35: Use memory_region_set_address() also for tseg_blackhole Bernhard Beschow
2023-03-01 21:45   ` Michael S. Tsirkin
2023-02-14 13:14 ` [PATCH 04/12] hw/pci-host/q35: Initialize PCMachineState::bus in board code Bernhard Beschow
2023-02-14 13:14 ` Bernhard Beschow [this message]
2023-03-01 21:46   ` [PATCH 05/12] hw/pci-host/q35: Initialize "bypass-iommu" property from " Michael S. Tsirkin
2023-02-14 13:14 ` [PATCH 06/12] hw/pci-host/q35: Initialize properties just once Bernhard Beschow
2023-03-01 21:47   ` Michael S. Tsirkin
2023-02-14 13:14 ` [PATCH 07/12] hw/pci-host/q35: Initialize PCI hole boundaries " Bernhard Beschow
2023-02-14 13:14 ` [PATCH 08/12] hw/pci-host/q35: Turn PCI hole properties into class properties Bernhard Beschow
2023-02-14 13:14 ` [PATCH 09/12] hw/pci-host/q35: Rename local variable to more idiomatic "phb" Bernhard Beschow
2023-02-14 13:14 ` [PATCH 10/12] hw/pci-host/q35: Propagate to errp rather than doing error_fatal Bernhard Beschow
2023-02-14 13:14 ` [PATCH 11/12] hw/pci-host/q35: Merge mch_realize() into q35_host_realize() Bernhard Beschow
2023-02-14 13:14 ` [PATCH 12/12] hw/pci-host/q35: Move MemoryRegion pointers to host device Bernhard Beschow
2023-02-21 15:39 ` [PATCH 00/12] Q35 PCI host fixes and QOM cleanup Bernhard Beschow
2023-03-01 21:49   ` Michael S. Tsirkin
2023-03-02 21:54     ` Bernhard Beschow
2023-03-05  7:41       ` Bernhard Beschow
2023-03-01 21:50 ` Michael S. Tsirkin

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