From 111839917fccf4f74d50ad937321acc6a07eb9c3 Mon Sep 17 00:00:00 2001 From: David Daney Date: Thu, 29 Oct 2015 17:35:40 -0500 Subject: 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 Signed-off-by: Bjorn Helgaas Acked-by: Sean O. Stalley --- drivers/pci/pci.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/pci/pci.c') 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 -- cgit v1.2.3