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pci: Abolish pci_find_root_bus()

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pci_find_root_bus() takes a domain parameter.  Currently PCI root buses
with domain other than 0 can't be created, so this is more or less a long
winded way of retrieving the main PCI root bus.  Numbered domains don't
actually properly cover the (non x86) possibilities for multiple PCI root
buses, so this patch for now enforces the domain == 0 restriction in other
places to replace pci_find_root_bus() with an explicit
pci_find_primary_bus().

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
David Gibson
2013-06-06 18:48:47 +10:00
committed by Michael S. Tsirkin
parent 6ac363b50c
commit 1ef7a2a2af
4 changed files with 42 additions and 15 deletions
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2
include/hw/pci/pci.h
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@@ -389,7 +389,7 @@ int pci_bus_num(PCIBus *s);
void pci_for_each_device(PCIBus *bus, int bus_num,
void (*fn)(PCIBus *bus, PCIDevice *d, void *opaque),
void *opaque);
PCIBus *pci_find_root_bus(int domain);
PCIBus *pci_find_primary_bus(void);
int pci_find_domain(const PCIBus *bus);
PCIDevice *pci_find_device(PCIBus *bus, int bus_num, uint8_t devfn);
int pci_qdev_find_device(const char *id, PCIDevice **pdev);