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[Qemu-devel] [PATCH 2/4] xen:hw:pci-host:piix: create host bridge to pas
From: |
Tiejun Chen |
Subject: |
[Qemu-devel] [PATCH 2/4] xen:hw:pci-host:piix: create host bridge to passthrough |
Date: |
Thu, 24 Jul 2014 19:30:27 +0800 |
Implement that pci host bridge to specific to passthrough. Actually
this just inherit the standard one.
This is based on http://patchwork.ozlabs.org/patch/363810/.
Signed-off-by: Tiejun Chen <address@hidden>
---
hw/pci-host/piix.c | 43 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 43 insertions(+)
diff --git a/hw/pci-host/piix.c b/hw/pci-host/piix.c
index e0e0946..9feddf5 100644
--- a/hw/pci-host/piix.c
+++ b/hw/pci-host/piix.c
@@ -34,6 +34,7 @@
#include "sysemu/sysemu.h"
#include "hw/i386/ioapic.h"
#include "qapi/visitor.h"
+#include "hw/xen/xen_pt.h"
/*
* I440FX chipset data sheet.
@@ -44,6 +45,10 @@
#define I440FX_PCI_HOST_BRIDGE(obj) \
OBJECT_CHECK(I440FXState, (obj), TYPE_I440FX_PCI_HOST_BRIDGE)
+#define TYPE_I440FX_XEN_PCI_DEVICE "i440FX-xen"
+#define I440FX_XEN_PCI_DEVICE(obj) \
+ OBJECT_CHECK(PCII440FXState, (obj), TYPE_I440FX_XEN_PCI_DEVICE)
+
typedef struct I440FXState {
PCIHostState parent_obj;
PcPciInfo pci_info;
@@ -305,6 +310,16 @@ static int i440fx_initfn(PCIDevice *dev)
return 0;
}
+static int i440fx_xen_initfn(PCIDevice *dev)
+{
+ PCII440FXState *d = I440FX_XEN_PCI_DEVICE(dev);
+
+ dev->config[I440FX_SMRAM] = 0x02;
+
+ cpu_smm_register(&i440fx_set_smm, d);
+ return 0;
+}
+
PCIBus *i440fx_init(PCII440FXState **pi440fx_state,
int *piix3_devfn,
ISABus **isa_bus, qemu_irq *pic,
@@ -704,6 +719,33 @@ static const TypeInfo i440fx_info = {
.class_init = i440fx_class_init,
};
+static void i440fx_xen_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+
+ k->init = i440fx_xen_initfn;
+ k->vendor_id = PCI_VENDOR_ID_INTEL;
+ k->device_id = PCI_DEVICE_ID_INTEL_82441;
+ k->revision = 0x02;
+ k->class_id = PCI_CLASS_BRIDGE_ISA;
+ dc->desc = "XEN Host bridge";
+ dc->vmsd = &vmstate_i440fx;
+ /*
+ * PCI-facing part of the host bridge, not usable without the
+ * host-facing part, which can't be device_add'ed, yet.
+ */
+ dc->cannot_instantiate_with_device_add_yet = true;
+ dc->hotpluggable = false;
+}
+
+static const TypeInfo i440fx_xen_info = {
+ .name = TYPE_I440FX_XEN_PCI_DEVICE,
+ .parent = TYPE_PCI_DEVICE,
+ .instance_size = sizeof(PCII440FXState),
+ .class_init = i440fx_xen_class_init,
+};
+
static const char *i440fx_pcihost_root_bus_path(PCIHostState *host_bridge,
PCIBus *rootbus)
{
@@ -745,6 +787,7 @@ static const TypeInfo i440fx_pcihost_info = {
static void i440fx_register_types(void)
{
type_register_static(&i440fx_info);
+ type_register_static(&i440fx_xen_info);
type_register_static(&piix3_info);
type_register_static(&piix3_xen_info);
type_register_static(&i440fx_pcihost_info);
--
1.9.1
- Re: [Qemu-devel] [PATCH 1/4] hw:i386:pc_piix: split pc_init1(), (continued)
[Qemu-devel] [PATCH 3/4] xen:hw:pci-host:piix: introduce xen_igd_i440fx_init, Tiejun Chen, 2014/07/24
[Qemu-devel] [PATCH 4/4] xen:hw:i386:pc_piix: introduce new machine for IGD passthrough, Tiejun Chen, 2014/07/24
[Qemu-devel] [PATCH 2/4] xen:hw:pci-host:piix: create host bridge to passthrough,
Tiejun Chen <=
Re: [Qemu-devel] [PATCH 0/4] xen:passthrough: introduce a separate machine to igd passthrough, Chen, Tiejun, 2014/07/29