// SPDX-License-Identifier: GPL-2.0 /* * Exceptions for specific devices, * * Copyright IBM Corp. 2025 * * Author(s): * Niklas Schnelle <schnelle@linux.ibm.com> */ #include <linux/pci.h> static void zpci_ism_bar_no_mmap(struct pci_dev *pdev) { /* * ISM's BAR is special. Drivers written for ISM know * how to handle this but others need to be aware of their * special nature e.g. to prevent attempts to mmap() it. */ pdev->non_mappable_bars = 1; } DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_ISM, zpci_ism_bar_no_mmap);