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grackle_pci: QOM'ify Grackle PCI host bridge

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Introduce type constant. Introduce cast macro to drop dummy busdev field
used with FROM_SYSBUS() that would've broken SYS_BUS_DEVICE().
Avoid accessing parent fields directly.

Drop no-op reset function.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Andreas Färber 2012-08-20 19:08:00 +02:00 committed by Anthony Liguori
parent ab61536737
commit 0e655047c5
2 changed files with 29 additions and 29 deletions
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57
hw/grackle_pci.c
View File

@ -23,10 +23,9 @@
* THE SOFTWARE.
*/
#include "sysbus.h"
#include "pci_host.h"
#include "ppc_mac.h"
#include "pci.h"
#include "pci_host.h"
/* debug Grackle */
//#define DEBUG_GRACKLE
@ -38,9 +37,12 @@
#define GRACKLE_DPRINTF(fmt, ...)
#endif
#define GRACKLE_PCI_HOST_BRIDGE(obj) \
OBJECT_CHECK(GrackleState, (obj), TYPE_GRACKLE_PCI_HOST_BRIDGE)
typedef struct GrackleState {
SysBusDevice busdev;
PCIHostState host_state;
MemoryRegion pci_mmio;
MemoryRegion pci_hole;
} GrackleState;
@ -59,22 +61,20 @@ static void pci_grackle_set_irq(void *opaque, int irq_num, int level)
qemu_set_irq(pic[irq_num + 0x15], level);
}
static void pci_grackle_reset(void *opaque)
{
}
PCIBus *pci_grackle_init(uint32_t base, qemu_irq *pic,
MemoryRegion *address_space_mem,
MemoryRegion *address_space_io)
{
DeviceState *dev;
SysBusDevice *s;
PCIHostState *phb;
GrackleState *d;
dev = qdev_create(NULL, "grackle-pcihost");
dev = qdev_create(NULL, TYPE_GRACKLE_PCI_HOST_BRIDGE);
qdev_init_nofail(dev);
s = sysbus_from_qdev(dev);
d = FROM_SYSBUS(GrackleState, s);
s = SYS_BUS_DEVICE(dev);
phb = FROM_SYSBUS(PCIHostState, s);
d = GRACKLE_PCI_HOST_BRIDGE(dev);
memory_region_init(&d->pci_mmio, "pci-mmio", 0x100000000ULL);
memory_region_init_alias(&d->pci_hole, "pci-hole", &d->pci_mmio,
@ -82,36 +82,35 @@ PCIBus *pci_grackle_init(uint32_t base, qemu_irq *pic,
memory_region_add_subregion(address_space_mem, 0x80000000ULL,
&d->pci_hole);
d->host_state.bus = pci_register_bus(&d->busdev.qdev, "pci",
pci_grackle_set_irq,
pci_grackle_map_irq,
pic,
&d->pci_mmio,
address_space_io,
0, 4);
phb->bus = pci_register_bus(dev, "pci",
pci_grackle_set_irq,
pci_grackle_map_irq,
pic,
&d->pci_mmio,
address_space_io,
0, 4);
pci_create_simple(d->host_state.bus, 0, "grackle");
pci_create_simple(phb->bus, 0, "grackle");
sysbus_mmio_map(s, 0, base);
sysbus_mmio_map(s, 1, base + 0x00200000);
return d->host_state.bus;
return phb->bus;
}
static int pci_grackle_init_device(SysBusDevice *dev)
{
GrackleState *s;
PCIHostState *phb;
s = FROM_SYSBUS(GrackleState, dev);
phb = FROM_SYSBUS(PCIHostState, dev);
memory_region_init_io(&s->host_state.conf_mem, &pci_host_conf_le_ops,
&s->host_state, "pci-conf-idx", 0x1000);
memory_region_init_io(&s->host_state.data_mem, &pci_host_data_le_ops,
&s->host_state, "pci-data-idx", 0x1000);
sysbus_init_mmio(dev, &s->host_state.conf_mem);
sysbus_init_mmio(dev, &s->host_state.data_mem);
memory_region_init_io(&phb->conf_mem, &pci_host_conf_le_ops,
dev, "pci-conf-idx", 0x1000);
memory_region_init_io(&phb->data_mem, &pci_host_data_le_ops,
dev, "pci-data-idx", 0x1000);
sysbus_init_mmio(dev, &phb->conf_mem);
sysbus_init_mmio(dev, &phb->data_mem);
qemu_register_reset(pci_grackle_reset, &s->host_state);
return 0;
}
@ -151,7 +150,7 @@ static void pci_grackle_class_init(ObjectClass *klass, void *data)
}
static const TypeInfo grackle_pci_host_info = {
.name = "grackle-pcihost",
.name = TYPE_GRACKLE_PCI_HOST_BRIDGE,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(GrackleState),
.class_init = pci_grackle_class_init,

1
hw/ppc_mac.h
View File

@ -55,6 +55,7 @@ qemu_irq *heathrow_pic_init(MemoryRegion **pmem,
int nb_cpus, qemu_irq **irqs);
/* Grackle PCI */
#define TYPE_GRACKLE_PCI_HOST_BRIDGE "grackle-pcihost"
PCIBus *pci_grackle_init(uint32_t base, qemu_irq *pic,
MemoryRegion *address_space_mem,
MemoryRegion *address_space_io);