Messages in this thread Patch in this message | | | Date | Tue, 21 Oct 2008 19:53:32 +0800 | From | Yu Zhao <> | Subject | [PATCH 13/15 v5] PCI: reserve bus range for the SR-IOV device |
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Reserve bus range for SR-IOV at device scanning stage.
Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Cc: Randy Dunlap <randy.dunlap@oracle.com> Cc: Grant Grundler <grundler@parisc-linux.org> Cc: Alex Chiang <achiang@hp.com> Cc: Matthew Wilcox <matthew@wil.cx> Cc: Roland Dreier <rdreier@cisco.com> Cc: Greg KH <greg@kroah.com> Signed-off-by: Yu Zhao <yu.zhao@intel.com>
--- drivers/pci/pci.h | 5 +++++ drivers/pci/probe.c | 3 +++ 2 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 7735d92..5206ae7 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -204,6 +204,7 @@ void pci_iov_remove_sysfs(struct pci_dev *dev); extern int pci_iov_resource_align(struct pci_dev *dev, int resno); extern int pci_iov_resource_bar(struct pci_dev *dev, int resno, enum pci_bar_type *type); +extern int pci_iov_bus_range(struct pci_bus *bus); #else static inline int pci_iov_init(struct pci_dev *dev) { @@ -227,6 +228,10 @@ static inline int pci_iov_resource_bar(struct pci_dev *dev, int resno, { return 0; } +extern inline int pci_iov_bus_range(struct pci_bus *bus) +{ + return 0; +} #endif /* CONFIG_PCI_IOV */ #endif /* DRIVERS_PCI_H */ diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 18ce9c0..50a1380 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -1068,6 +1068,9 @@ unsigned int __devinit pci_scan_child_bus(struct pci_bus *bus) for (devfn = 0; devfn < 0x100; devfn += 8) pci_scan_slot(bus, devfn); + /* Reserve buses for SR-IOV capability. */ + max += pci_iov_bus_range(bus); + /* * After performing arch-dependent fixup of the bus, look behind * all PCI-to-PCI bridges on this bus. -- 1.5.6.4
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