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support inplace allocation for pci bus, split irq init.

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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Gerd Hoffmann 2009-09-16 22:25:31 +02:00 committed by Anthony Liguori
parent 1f850f1064
commit 21eea4b38f
2 changed files with 40 additions and 12 deletions
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47
hw/pci.c
View File

@ -98,24 +98,47 @@ static void pci_bus_reset(void *opaque)
}
}
void pci_bus_new_inplace(PCIBus *bus, DeviceState *parent,
const char *name, int devfn_min)
{
static int nbus = 0;
qbus_create_inplace(&bus->qbus, &pci_bus_info, parent, name);
bus->devfn_min = devfn_min;
bus->next = first_bus;
first_bus = bus;
vmstate_register(nbus++, &vmstate_pcibus, bus);
qemu_register_reset(pci_bus_reset, bus);
}
PCIBus *pci_bus_new(DeviceState *parent, const char *name, int devfn_min)
{
PCIBus *bus;
bus = qemu_mallocz(sizeof(*bus));
bus->qbus.qdev_allocated = 1;
pci_bus_new_inplace(bus, parent, name, devfn_min);
return bus;
}
void pci_bus_irqs(PCIBus *bus, pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
void *irq_opaque, int nirq)
{
bus->set_irq = set_irq;
bus->map_irq = map_irq;
bus->irq_opaque = irq_opaque;
bus->nirq = nirq;
bus->irq_count = qemu_mallocz(nirq * sizeof(bus->irq_count[0]));
}
PCIBus *pci_register_bus(DeviceState *parent, const char *name,
pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
void *irq_opaque, int devfn_min, int nirq)
{
PCIBus *bus;
static int nbus = 0;
bus = FROM_QBUS(PCIBus, qbus_create(&pci_bus_info, parent, name));
bus->set_irq = set_irq;
bus->map_irq = map_irq;
bus->irq_opaque = irq_opaque;
bus->devfn_min = devfn_min;
bus->nirq = nirq;
bus->irq_count = qemu_mallocz(nirq * sizeof(bus->irq_count[0]));
bus->next = first_bus;
first_bus = bus;
vmstate_register(nbus++, &vmstate_pcibus, bus);
qemu_register_reset(pci_bus_reset, bus);
bus = pci_bus_new(parent, name, devfn_min);
pci_bus_irqs(bus, set_irq, map_irq, irq_opaque, nirq);
return bus;
}

5
hw/pci.h
View File

@ -248,6 +248,11 @@ int pci_device_load(PCIDevice *s, QEMUFile *f);
typedef void (*pci_set_irq_fn)(void *opaque, int irq_num, int level);
typedef int (*pci_map_irq_fn)(PCIDevice *pci_dev, int irq_num);
void pci_bus_new_inplace(PCIBus *bus, DeviceState *parent,
const char *name, int devfn_min);
PCIBus *pci_bus_new(DeviceState *parent, const char *name, int devfn_min);
void pci_bus_irqs(PCIBus *bus, pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
void *irq_opaque, int nirq);
PCIBus *pci_register_bus(DeviceState *parent, const char *name,
pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
void *irq_opaque, int devfn_min, int nirq);