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s390/pci: map IOV resources 

Map IOV resources such that pci common code recognizes the IOV
capability of PFs.

Signed-off-by: Sebastian Ott <sebott@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Sebastian Ott 2018-09-12 12:47:37 +02:00 committed by Martin Schwidefsky
parent e8e25a7718
commit cfbb4a7ab6
1 changed files with 20 additions and 0 deletions
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20
arch/s390/pci/pci.c
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@ -482,6 +482,15 @@ void arch_teardown_msi_irqs(struct pci_dev *pdev)
}
}
#ifdef CONFIG_PCI_IOV
static struct resource iov_res = {
.name = "PCI IOV res",
.start = 0,
.end = -1,
.flags = IORESOURCE_MEM,
};
#endif
static void zpci_map_resources(struct pci_dev *pdev)
{
resource_size_t len;
@ -495,6 +504,17 @@ static void zpci_map_resources(struct pci_dev *pdev)
(resource_size_t __force) pci_iomap(pdev, i, 0);
pdev->resource[i].end = pdev->resource[i].start + len - 1;
}
#ifdef CONFIG_PCI_IOV
i = PCI_IOV_RESOURCES;
for (; i < PCI_SRIOV_NUM_BARS + PCI_IOV_RESOURCES; i++) {
len = pci_resource_len(pdev, i);
if (!len)
continue;
pdev->resource[i].parent = &iov_res;
}
#endif
}
static void zpci_unmap_resources(struct pci_dev *pdev)