diff options
| author | David Daney <david.daney@cavium.com> | 2015-10-29 17:35:40 -0500 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2015-10-29 17:35:40 -0500 |
| commit | 111839917fccf4f74d50ad937321acc6a07eb9c3 (patch) | |
| tree | 7536a1ef0d1fee3a9100ec75ee370de283d4c9d6 /drivers/pci/pci.c | |
| parent | 938174e59f83354251a75a2b90171e0ffdf6f1d7 (diff) | |
PCI: Handle Enhanced Allocation capability for SR-IOV devices
SR-IOV BARs can be specified via EA entries. Extend the EA parser to
extract the SRIOV BAR resources, and modify sriov_init() to use resources
previously obtained via EA.
Signed-off-by: David Daney <david.daney@cavium.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Sean O. Stalley <sean.stalley@intel.com>
Diffstat (limited to 'drivers/pci/pci.c')
| -rw-r--r-- | drivers/pci/pci.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 8d796c02ee90..364f98b30130 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -2176,6 +2176,12 @@ static struct resource *pci_ea_get_resource(struct pci_dev *dev, u8 bei, { if (bei <= PCI_EA_BEI_BAR5 && prop <= PCI_EA_P_IO) return &dev->resource[bei]; +#ifdef CONFIG_PCI_IOV + else if (bei >= PCI_EA_BEI_VF_BAR0 && bei <= PCI_EA_BEI_VF_BAR5 && + (prop == PCI_EA_P_VF_MEM || prop == PCI_EA_P_VF_MEM_PREFETCH)) + return &dev->resource[PCI_IOV_RESOURCES + + bei - PCI_EA_BEI_VF_BAR0]; +#endif else if (bei == PCI_EA_BEI_ROM) return &dev->resource[PCI_ROM_RESOURCE]; else |