1 /* MTD backing device capabilities
3 * Copyright © 2006 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
12 #include <linux/backing-dev.h>
13 #include <linux/mtd/mtd.h>
17 * backing device capabilities for non-mappable devices (such as NAND flash)
18 * - permits private mappings, copies are taken of the data
20 struct backing_dev_info mtd_bdi_unmappable = {
21 .capabilities = BDI_CAP_MAP_COPY,
25 * backing device capabilities for R/O mappable devices (such as ROM)
26 * - permits private mappings, copies are taken of the data
27 * - permits non-writable shared mappings
29 struct backing_dev_info mtd_bdi_ro_mappable = {
30 .capabilities = (BDI_CAP_MAP_COPY | BDI_CAP_MAP_DIRECT |
31 BDI_CAP_EXEC_MAP | BDI_CAP_READ_MAP),
35 * backing device capabilities for writable mappable devices (such as RAM)
36 * - permits private mappings, copies are taken of the data
37 * - permits non-writable shared mappings
39 struct backing_dev_info mtd_bdi_rw_mappable = {
40 .capabilities = (BDI_CAP_MAP_COPY | BDI_CAP_MAP_DIRECT |
41 BDI_CAP_EXEC_MAP | BDI_CAP_READ_MAP |