Commit cfbb4a7a authored by Sebastian Ott's avatar Sebastian Ott Committed by Martin Schwidefsky
Browse files

s390/pci: map IOV resources 



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

Signed-off-by: default avatarSebastian Ott <sebott@linux.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent e8e25a77

arch/s390/pci/pci.c

+20 −0
Original line number Diff line number Diff line
@@ -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)

CRA Git | Maintained and supported by SUSTech CRA and CCSE