From: Marcelo Tosatti <[EMAIL PROTECTED]>
Return PCIBus pointer from bus number integer.
Signed-off-by: Marcelo Tosatti <[EMAIL PROTECTED]>
Signed-off-by: Avi Kivity <[EMAIL PROTECTED]>
diff --git a/qemu/hw/pci.c b/qemu/hw/pci.c
index b6df5ad..9182307 100644
--- a/qemu/hw/pci.c
+++ b/qemu/hw/pci.c
@@ -675,6 +675,16 @@ static void pci_bridge_write_config(PCIDevice *d,
pci_default_write_config(d, address, val, len);
}
+PCIBus *pci_find_bus(int bus_num)
+{
+ PCIBus *bus = first_bus;
+
+ while (bus && bus->bus_num != bus_num)
+ bus = bus->next;
+
+ return bus;
+}
+
PCIBus *pci_bridge_init(PCIBus *bus, int devfn, uint32_t id,
pci_map_irq_fn map_irq, const char *name)
{
diff --git a/qemu/hw/pci.h b/qemu/hw/pci.h
index e870987..b96348b 100644
--- a/qemu/hw/pci.h
+++ b/qemu/hw/pci.h
@@ -3,6 +3,7 @@
/* PCI includes legacy ISA access. */
#include "isa.h"
+#include <linux/pci.h>
/* PCI bus */
@@ -91,6 +92,7 @@ void pci_data_write(void *opaque, uint32_t addr, uint32_t
val, int len);
uint32_t pci_data_read(void *opaque, uint32_t addr, int len);
int pci_bus_num(PCIBus *s);
void pci_for_each_device(int bus_num, void (*fn)(PCIDevice *d));
+PCIBus *pci_find_bus(int bus_num);
void pci_info(void);
PCIBus *pci_bridge_init(PCIBus *bus, int devfn, uint32_t id,
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