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i440fx: make types configurable at run-time 

IGD passthrough wants to supply a different pci and
host devices, inheriting i440fx devices. Make types
configurable.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Tiejun Chen <tiejun.chen@intel.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
This commit is contained in:
Michael S. Tsirkin 2015-07-15 13:37:41 +08:00 committed by Stefano Stabellini
parent eeb6b13a5a
commit 7bb836e4a2
3 changed files with 12 additions and 7 deletions
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4
hw/i386/pc_piix.c
View File

@ -196,7 +196,9 @@ static void pc_init1(MachineState *machine)
}
if (pci_enabled) {
pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, &isa_bus, gsi,
pci_bus = i440fx_init(TYPE_I440FX_PCI_HOST_BRIDGE,
TYPE_I440FX_PCI_DEVICE,
&i440fx_state, &piix3_devfn, &isa_bus, gsi,
system_memory, system_io, machine->ram_size,
pcms->below_4g_mem_size,
pcms->above_4g_mem_size,

9
hw/pci-host/piix.c
View File

@ -40,7 +40,6 @@
* http://download.intel.com/design/chipsets/datashts/29054901.pdf
*/
#define TYPE_I440FX_PCI_HOST_BRIDGE "i440FX-pcihost"
#define I440FX_PCI_HOST_BRIDGE(obj) \
OBJECT_CHECK(I440FXState, (obj), TYPE_I440FX_PCI_HOST_BRIDGE)
@ -95,7 +94,6 @@ typedef struct PIIX3State {
#define PIIX3_PCI_DEVICE(obj) \
OBJECT_CHECK(PIIX3State, (obj), TYPE_PIIX3_PCI_DEVICE)
#define TYPE_I440FX_PCI_DEVICE "i440FX"
#define I440FX_PCI_DEVICE(obj) \
OBJECT_CHECK(PCII440FXState, (obj), TYPE_I440FX_PCI_DEVICE)
@ -305,7 +303,8 @@ static void i440fx_realize(PCIDevice *dev, Error **errp)
dev->config[I440FX_SMRAM] = 0x02;
}
PCIBus *i440fx_init(PCII440FXState **pi440fx_state,
PCIBus *i440fx_init(const char *host_type, const char *pci_type,
PCII440FXState **pi440fx_state,
int *piix3_devfn,
ISABus **isa_bus, qemu_irq *pic,
MemoryRegion *address_space_mem,
@ -325,7 +324,7 @@ PCIBus *i440fx_init(PCII440FXState **pi440fx_state,
unsigned i;
I440FXState *i440fx;
dev = qdev_create(NULL, TYPE_I440FX_PCI_HOST_BRIDGE);
dev = qdev_create(NULL, host_type);
s = PCI_HOST_BRIDGE(dev);
b = pci_bus_new(dev, NULL, pci_address_space,
address_space_io, 0, TYPE_PCI_BUS);
@ -333,7 +332,7 @@ PCIBus *i440fx_init(PCII440FXState **pi440fx_state,
object_property_add_child(qdev_get_machine(), "i440fx", OBJECT(dev), NULL);
qdev_init_nofail(dev);
d = pci_create_simple(b, 0, TYPE_I440FX_PCI_DEVICE);
d = pci_create_simple(b, 0, pci_type);
*pi440fx_state = I440FX_PCI_DEVICE(d);
f = *pi440fx_state;
f->system_memory = address_space_mem;

6
include/hw/i386/pc.h
View File

@ -219,7 +219,11 @@ extern int no_hpet;
struct PCII440FXState;
typedef struct PCII440FXState PCII440FXState;
PCIBus *i440fx_init(PCII440FXState **pi440fx_state, int *piix_devfn,
#define TYPE_I440FX_PCI_HOST_BRIDGE "i440FX-pcihost"
#define TYPE_I440FX_PCI_DEVICE "i440FX"
PCIBus *i440fx_init(const char *host_type, const char *pci_type,
PCII440FXState **pi440fx_state, int *piix_devfn,
ISABus **isa_bus, qemu_irq *pic,
MemoryRegion *address_space_mem,
MemoryRegion *address_space_io,