From: Sebastian Ott <sebott@linux.ibm.com>
Date: Wed, 12 Sep 2018 12:47:37 +0200
Subject: s390/pci: map IOV resources
Git-commit: cfbb4a7ab6bd5df7aca826b92ebb3565efd3d801
Patch-mainline: v5.1-rc1
References: jsc#SLE-5803 FATE#327056
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>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
arch/s390/pci/pci.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
--- a/arch/s390/pci/pci.c
+++ b/arch/s390/pci/pci.c
@@ -487,6 +487,15 @@ void arch_teardown_msi_irqs(struct pci_d
}
}
+#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;
@@ -500,6 +509,17 @@ static void zpci_map_resources(struct pc
(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)