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Re: [Xen-devel] [v5][PATCH 2/5] xen, gfx passthrough: create pseudo intel isa bridge
- To: Tiejun Chen <tiejun.chen@xxxxxxxxx>, anthony.perard@xxxxxxxxxx, stefano.stabellini@xxxxxxxxxxxxx, mst@xxxxxxxxxx, Kelly.Zytaruk@xxxxxxx
- From: Paolo Bonzini <pbonzini@xxxxxxxxxx>
- Date: Wed, 25 Jun 2014 08:22:58 +0200
- Cc: peter.maydell@xxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx, allen.m.kay@xxxxxxxxx, qemu-devel@xxxxxxxxxx, anthony@xxxxxxxxxxxxx, yang.z.zhang@xxxxxxxxx
- Delivery-date: Wed, 25 Jun 2014 06:23:10 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
Il 25/06/2014 04:17, Tiejun Chen ha scritto:
+static int create_pseudo_pch_isa_bridge(PCIBus *bus, XenHostPCIDevice *hdev)
+{
+ struct PCIDevice *dev;
+
+ char rid;
+
+ /* We havt to use a simple PCI device to fake this ISA bridge
+ * to avoid making some confusion to BIOS and ACPI.
+ */
+ dev = pci_create(bus, PCI_DEVFN(0x1f, 0), "pseudo-intel-pch-isa-bridge");
+
+ qdev_init_nofail(&dev->qdev);
+
+ pci_config_set_vendor_id(dev->config, hdev->vendor_id);
+ pci_config_set_device_id(dev->config, hdev->device_id);
+
+ xen_host_pci_get_block(hdev, PCI_REVISION_ID, (uint8_t *)&rid, 1);
+
+ pci_config_set_revision(dev->config, rid);
+
+ XEN_PT_LOG(dev, "The pseudo Intel PCH ISA bridge created.\n");
+ return 0;
+}
This patch doesn't compile on its own (this static function is unused).
pci_create_pch should be moved in this patch.
Paolo
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