1 files changed, 83 insertions, 0 deletions

diff --git a/arch/um/include/mem_user.h b/arch/um/include/mem_user.h
new file mode 100644
index 000000000000..d6404bb64662
--- /dev/null
+++ b/arch/um/include/mem_user.h
@@ -0,0 +1,83 @@
+/*
+ * arch/um/include/mem_user.h
+ *
+ * BRIEF MODULE DESCRIPTION
+ * user side memory interface for support IO memory inside user mode linux
+ *
+ * Copyright (C) 2001 RidgeRun, Inc.
+ * Author: RidgeRun, Inc.
+ *         Greg Lonnon glonnon@ridgerun.com or info@ridgerun.com
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
+ *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  You should have received a copy of the  GNU General Public License along
+ *  with this program; if not, write  to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _MEM_USER_H
+#define _MEM_USER_H
+
+struct iomem_region {
+        struct iomem_region *next;
+        char *driver;
+        int fd;
+        int size;
+        unsigned long phys;
+        unsigned long virt;
+};
+
+extern struct iomem_region *iomem_regions;
+extern int iomem_size;
+
+#define ROUND_4M(n) ((((unsigned long) (n)) + (1 << 22)) & ~((1 << 22) - 1))
+
+extern unsigned long host_task_size;
+extern unsigned long task_size;
+
+extern void check_devanon(void);
+extern int init_mem_user(void);
+extern int create_mem_file(unsigned long len);
+extern void setup_memory(void *entry);
+extern unsigned long find_iomem(char *driver, unsigned long *len_out);
+extern int init_maps(unsigned long physmem, unsigned long iomem,
+                     unsigned long highmem);
+extern unsigned long get_vm(unsigned long len);
+extern void setup_physmem(unsigned long start, unsigned long usable,
+                          unsigned long len, unsigned long highmem);
+extern void add_iomem(char *name, int fd, unsigned long size);
+extern unsigned long phys_offset(unsigned long phys);
+extern void unmap_physmem(void);
+extern void map_memory(unsigned long virt, unsigned long phys,
+                       unsigned long len, int r, int w, int x);
+extern int protect_memory(unsigned long addr, unsigned long len, 
+                          int r, int w, int x, int must_succeed);
+extern unsigned long get_kmem_end(void);
+extern void check_tmpexec(void);
+
+#endif
+
+/*
+ * Overrides for Emacs so that we follow Linus's tabbing style.
+ * Emacs will notice this stuff at the end of the file and automatically
+ * adjust the settings for this buffer only.  This must remain at the end
+ * of the file.
+ * ---------------------------------------------------------------------------
+ * Local variables:
+ * c-file-style: "linux"
+ * End:
+ */