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From 091efe6a8488e0eac52d78fd5db2db76efb891d3 Mon Sep 17 00:00:00 2001
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From: Eduardo Habkost <ehabkost@redhat.com>
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Date: Fri, 20 Oct 2017 18:29:17 +0200
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Subject: [PATCH 12/19] pci: Validate interfaces on base_class_init
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RH-Author: Eduardo Habkost <ehabkost@redhat.com>
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Message-id: <20171020182917.10771-8-ehabkost@redhat.com>
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Patchwork-id: 77427
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O-Subject: [RHV7.5 qemu-kvm-rhev PATCH v2 7/7] pci: Validate interfaces on base_class_init
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Bugzilla: 1390348
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RH-Acked-by: Marcel Apfelbaum <marcel@redhat.com>
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RH-Acked-by: Michael S. Tsirkin <mst@redhat.com>
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RH-Acked-by: Laurent Vivier <lvivier@redhat.com>
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Make sure we don't forget to add the Conventional PCI or PCI
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Express interface names on PCI device classes in the future.
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Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
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Revieed-by: David Gibson <david@gibson.dropbear.id.au>
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Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
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Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
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Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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(cherry picked from commit 2fefa16cec5a719f5cbc26c0672dd2099cd2ed9b)
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Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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hw/pci/pci.c | 12 ++++++++++++
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1 file changed, 12 insertions(+)
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diff --git a/hw/pci/pci.c b/hw/pci/pci.c
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index 1226696..f0c98cd 100644
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--- a/hw/pci/pci.c
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+++ b/hw/pci/pci.c
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@@ -2525,6 +2525,17 @@ static void pci_device_class_init(ObjectClass *klass, void *data)
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pc->realize = pci_default_realize;
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}
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+static void pci_device_class_base_init(ObjectClass *klass, void *data)
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+{
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+ if (!object_class_is_abstract(klass)) {
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+ ObjectClass *conventional =
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+ object_class_dynamic_cast(klass, INTERFACE_CONVENTIONAL_PCI_DEVICE);
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+ ObjectClass *pcie =
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+ object_class_dynamic_cast(klass, INTERFACE_PCIE_DEVICE);
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+ assert(conventional || pcie);
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+ }
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+}
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+
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AddressSpace *pci_device_iommu_address_space(PCIDevice *dev)
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{
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PCIBus *bus = PCI_BUS(dev->bus);
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@@ -2649,6 +2660,7 @@ static const TypeInfo pci_device_type_info = {
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.abstract = true,
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.class_size = sizeof(PCIDeviceClass),
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.class_init = pci_device_class_init,
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+ .class_base_init = pci_device_class_base_init,
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};
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static void pci_register_types(void)
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--
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1.8.3.1
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