[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH v3 08/11] igd: add q35 support
Signed-off-by: Gerd Hoffmann <kraxel@xxxxxxxxxx> --- hw/pci-host/igd.c | 41 ++++++++++++++++++++++++++++++++++++++++- hw/pci-host/q35.c | 6 +++++- 2 files changed, 45 insertions(+), 2 deletions(-) diff --git a/hw/pci-host/igd.c b/hw/pci-host/igd.c index ec48875..f6e3f7a 100644 --- a/hw/pci-host/igd.c +++ b/hw/pci-host/igd.c @@ -1,5 +1,6 @@ #include "qemu-common.h" #include "hw/pci/pci.h" +#include "hw/pci-host/q35.h" #include "hw/i386/pc.h" /* IGD Passthrough Host Bridge. */ @@ -76,7 +77,7 @@ static void igd_passthrough_i440fx_class_init(ObjectClass *klass, void *data) i440fx_realize = k->realize; k->realize = igd_pt_i440fx_realize; - dc->desc = "IGD Passthrough Host bridge"; + dc->desc = "IGD Passthrough Host bridge (i440fx)"; } static const TypeInfo igd_passthrough_i440fx_info = { @@ -85,9 +86,47 @@ static const TypeInfo igd_passthrough_i440fx_info = { .class_init = igd_passthrough_i440fx_class_init, }; +static void (*q35_realize)(PCIDevice *pci_dev, Error **errp); +static void igd_pt_q35_realize(PCIDevice *pci_dev, Error **errp) +{ + Error *err = NULL; + + q35_realize(pci_dev, &err); + if (err != NULL) { + error_propagate(errp, err); + return; + } + + host_pci_config_copy(pci_dev, "0000:00:00.0", + igd_host_bridge_infos, + ARRAY_SIZE(igd_host_bridge_infos), + &err); + if (err != NULL) { + error_propagate(errp, err); + return; + } +} + +static void igd_passthrough_q35_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); + + q35_realize = k->realize; + k->realize = igd_pt_q35_realize; + dc->desc = "IGD Passthrough Host bridge (q35)"; +} + +static const TypeInfo igd_passthrough_q35_info = { + .name = "igd-passthrough-q35-mch", + .parent = TYPE_MCH_PCI_DEVICE, + .class_init = igd_passthrough_q35_class_init, +}; + static void igd_register_types(void) { type_register_static(&igd_passthrough_i440fx_info); + type_register_static(&igd_passthrough_q35_info); } type_init(igd_register_types) diff --git a/hw/pci-host/q35.c b/hw/pci-host/q35.c index 1fb4707..07dc595 100644 --- a/hw/pci-host/q35.c +++ b/hw/pci-host/q35.c @@ -151,7 +151,11 @@ static void q35_host_initfn(Object *obj) memory_region_init_io(&phb->data_mem, obj, &pci_host_data_le_ops, phb, "pci-conf-data", 4); - object_initialize(&s->mch, sizeof(s->mch), TYPE_MCH_PCI_DEVICE); + if (object_property_get_bool(qdev_get_machine(), "igd-passthru", NULL)) { + object_initialize(&s->mch, sizeof(s->mch), "igd-passthrough-q35-mch"); + } else { + object_initialize(&s->mch, sizeof(s->mch), TYPE_MCH_PCI_DEVICE); + } object_property_add_child(OBJECT(s), "mch", OBJECT(&s->mch), NULL); qdev_prop_set_uint32(DEVICE(&s->mch), "addr", PCI_DEVFN(0, 0)); qdev_prop_set_bit(DEVICE(&s->mch), "multifunction", false); -- 1.8.3.1 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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