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[Qemu-devel] [PATCH v2] pci: fix pci domain registering.
From: |
Isaku Yamahata |
Subject: |
[Qemu-devel] [PATCH v2] pci: fix pci domain registering. |
Date: |
Fri, 18 Jun 2010 15:51:33 +0900 |
User-agent: |
Mutt/1.5.19 (2009-01-05) |
Only pci host bus must be registered as root bus.
Signed-off-by: Isaku Yamahata <address@hidden>
---
Changes v1 -> v2
- rebased to head.
---
hw/pci.c | 8 ++------
hw/pci.h | 1 +
hw/piix_pci.c | 1 +
3 files changed, 4 insertions(+), 6 deletions(-)
diff --git a/hw/pci.c b/hw/pci.c
index 7787005..ef17eb4 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -178,7 +178,7 @@ static void pci_bus_reset(void *opaque)
}
}
-static void pci_host_bus_register(int domain, PCIBus *bus)
+void pci_host_bus_register(int domain, PCIBus *bus)
{
struct PCIHostBus *host;
host = qemu_mallocz(sizeof(*host));
@@ -225,11 +225,7 @@ void pci_bus_new_inplace(PCIBus *bus, DeviceState *parent,
{
qbus_create_inplace(&bus->qbus, &pci_bus_info, parent, name);
bus->devfn_min = devfn_min;
-
- /* host bridge */
QLIST_INIT(&bus->child);
- pci_host_bus_register(0, bus); /* for now only pci domain 0 is supported */
-
vmstate_register(-1, &vmstate_pcibus, bus);
qemu_register_reset(pci_bus_reset, bus);
}
@@ -273,6 +269,7 @@ PCIBus *pci_register_bus(DeviceState *parent, const char
*name,
PCIBus *bus;
bus = pci_bus_new(parent, name, devfn_min);
+ pci_host_bus_register(0, bus); /* for now only pci domain 0 is supported */
pci_bus_irqs(bus, set_irq, map_irq, irq_opaque, nirq);
return bus;
}
@@ -287,7 +284,6 @@ static void pci_register_secondary_bus(PCIBus *parent,
bus->map_irq = map_irq;
bus->parent_dev = dev;
- QLIST_INIT(&bus->child);
QLIST_INSERT_HEAD(&parent->child, bus, sibling);
}
diff --git a/hw/pci.h b/hw/pci.h
index 3a15bd4..6a2bc6a 100644
--- a/hw/pci.h
+++ b/hw/pci.h
@@ -217,6 +217,7 @@ PCIDevice *pci_nic_init_nofail(NICInfo *nd, const char
*default_model,
const char *default_devaddr);
int pci_bus_num(PCIBus *s);
void pci_for_each_device(PCIBus *bus, int bus_num, void (*fn)(PCIBus *bus,
PCIDevice *d));
+void pci_host_bus_register(int domain, PCIBus *bus);
PCIBus *pci_find_root_bus(int domain);
int pci_find_domain(const PCIBus *bus);
PCIBus *pci_find_bus(PCIBus *bus, int bus_num);
diff --git a/hw/piix_pci.c b/hw/piix_pci.c
index d14d05e..16645cd 100644
--- a/hw/piix_pci.c
+++ b/hw/piix_pci.c
@@ -227,6 +227,7 @@ PCIBus *i440fx_init(PCII440FXState **pi440fx_state, int
*piix3_devfn, qemu_irq *
dev = qdev_create(NULL, "i440FX-pcihost");
s = FROM_SYSBUS(I440FXState, sysbus_from_qdev(dev));
b = pci_bus_new(&s->busdev.qdev, NULL, 0);
+ pci_host_bus_register(0, b); /* pci domain 0 */
s->bus = b;
qdev_init_nofail(dev);
--
1.6.6.1
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