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[Qemu-devel] [v5][PATCH 3/4] xen:hw:pci-host:piix: create host bridge to
From: |
Tiejun Chen |
Subject: |
[Qemu-devel] [v5][PATCH 3/4] xen:hw:pci-host:piix: create host bridge to passthrough |
Date: |
Tue, 12 Aug 2014 17:49:16 +0800 |
Implement a pci host bridge specific to passthrough. Actually
this just inherits the standard one.
Signed-off-by: Tiejun Chen <address@hidden>
---
hw/pci-host/piix.c | 15 +++++++++++++++
include/hw/i386/pc.h | 2 ++
2 files changed, 17 insertions(+)
v5:
* Simplify to make sure its really inherited from the standard one
v4:
* Rebase
v3:
* Rebase
v2:
* Just add prefix with XEN_IGD_PASSTHROUGH/xen_igd_passthrough
diff --git a/hw/pci-host/piix.c b/hw/pci-host/piix.c
index 0cd82b8..dbf356a 100644
--- a/hw/pci-host/piix.c
+++ b/hw/pci-host/piix.c
@@ -703,6 +703,20 @@ static const TypeInfo i440fx_info = {
.class_init = i440fx_class_init,
};
+static void xen_igd_passthrough_i440fx_class_init(ObjectClass *klass, void
*data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+
+ dc->desc = "IGD PT XEN Host bridge";
+}
+
+static const TypeInfo xen_igd_passthrough_i440fx_info = {
+ .name = TYPE_XEN_IGD_PASSTHROUGH_I440FX_PCI_DEVICE,
+ .parent = TYPE_I440FX_PCI_DEVICE,
+ .instance_size = sizeof(PCII440FXState),
+ .class_init = xen_igd_passthrough_i440fx_class_init,
+};
+
static const char *i440fx_pcihost_root_bus_path(PCIHostState *host_bridge,
PCIBus *rootbus)
{
@@ -744,6 +758,7 @@ static const TypeInfo i440fx_pcihost_info = {
static void i440fx_register_types(void)
{
type_register_static(&i440fx_info);
+ type_register_static(&xen_igd_passthrough_i440fx_info);
type_register_static(&piix3_info);
type_register_static(&piix3_xen_info);
type_register_static(&i440fx_pcihost_info);
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 11fb72f..de34aa6 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -238,6 +238,8 @@ typedef struct PCII440FXState PCII440FXState;
#define TYPE_I440FX_PCI_HOST_BRIDGE "i440FX-pcihost"
#define TYPE_I440FX_PCI_DEVICE "i440FX"
+#define TYPE_XEN_IGD_PASSTHROUGH_I440FX_PCI_DEVICE "xen-igd-passthrough-i440FX"
+
PCIBus *i440fx_init(const char *host_type, const char *pci_type,
PCII440FXState **pi440fx_state, int *piix_devfn,
ISABus **isa_bus, qemu_irq *pic,
--
1.9.1
- [Qemu-devel] [v5][PATCH 0/4] xen: introduce new machine for IGD passthrough, Tiejun Chen, 2014/08/12
- [Qemu-devel] [v5][PATCH 2/4] pc_init1: pass parameters just with types, Tiejun Chen, 2014/08/12
- [Qemu-devel] [v5][PATCH 1/4] i440fx: make types configurable at run-time, Tiejun Chen, 2014/08/12
- [Qemu-devel] [v5][PATCH 3/4] xen:hw:pci-host:piix: create host bridge to passthrough,
Tiejun Chen <=
- [Qemu-devel] [v5][PATCH 4/4] xen:hw:i386:pc_piix: introduce new machine for IGD passthrough, Tiejun Chen, 2014/08/12
- Re: [Qemu-devel] [v5][PATCH 0/4] xen: introduce new machine for IGD passthrough, Chen, Tiejun, 2014/08/13
- Re: [Qemu-devel] [v5][PATCH 0/4] xen: introduce new machine for IGD passthrough, Michael S. Tsirkin, 2014/08/14