1 files changed, 75 insertions, 0 deletions

diff --git a/tools/include/uapi/asm-generic/mman-common.h b/tools/include/uapi/asm-generic/mman-common.h
new file mode 100644
index 000000000000..58274382a616
--- /dev/null
+++ b/tools/include/uapi/asm-generic/mman-common.h
@@ -0,0 +1,75 @@
+#ifndef __ASM_GENERIC_MMAN_COMMON_H
+#define __ASM_GENERIC_MMAN_COMMON_H
+
+/*
+ Author: Michael S. Tsirkin <mst@mellanox.co.il>, Mellanox Technologies Ltd.
+ Based on: asm-xxx/mman.h
+*/
+
+#define PROT_READ       0x1             /* page can be read */
+#define PROT_WRITE      0x2             /* page can be written */
+#define PROT_EXEC       0x4             /* page can be executed */
+#define PROT_SEM        0x8             /* page may be used for atomic ops */
+#define PROT_NONE       0x0             /* page can not be accessed */
+#define PROT_GROWSDOWN  0x01000000      /* mprotect flag: extend change to start of growsdown vma */
+#define PROT_GROWSUP    0x02000000      /* mprotect flag: extend change to end of growsup vma */
+
+#define MAP_SHARED      0x01            /* Share changes */
+#define MAP_PRIVATE     0x02            /* Changes are private */
+#define MAP_TYPE        0x0f            /* Mask for type of mapping */
+#define MAP_FIXED       0x10            /* Interpret addr exactly */
+#define MAP_ANONYMOUS   0x20            /* don't use a file */
+#ifdef CONFIG_MMAP_ALLOW_UNINITIALIZED
+# define MAP_UNINITIALIZED 0x4000000    /* For anonymous mmap, memory could be uninitialized */
+#else
+# define MAP_UNINITIALIZED 0x0          /* Don't support this flag */
+#endif
+
+/*
+ * Flags for mlock
+ */
+#define MLOCK_ONFAULT   0x01            /* Lock pages in range after they are faulted in, do not prefault */
+
+#define MS_ASYNC        1               /* sync memory asynchronously */
+#define MS_INVALIDATE   2               /* invalidate the caches */
+#define MS_SYNC         4               /* synchronous memory sync */
+
+#define MADV_NORMAL     0               /* no further special treatment */
+#define MADV_RANDOM     1               /* expect random page references */
+#define MADV_SEQUENTIAL 2               /* expect sequential page references */
+#define MADV_WILLNEED   3               /* will need these pages */
+#define MADV_DONTNEED   4               /* don't need these pages */
+
+/* common parameters: try to keep these consistent across architectures */
+#define MADV_FREE       8               /* free pages only if memory pressure */
+#define MADV_REMOVE     9               /* remove these pages & resources */
+#define MADV_DONTFORK   10              /* don't inherit across fork */
+#define MADV_DOFORK     11              /* do inherit across fork */
+#define MADV_HWPOISON   100             /* poison a page for testing */
+#define MADV_SOFT_OFFLINE 101           /* soft offline page for testing */
+
+#define MADV_MERGEABLE   12             /* KSM may merge identical pages */
+#define MADV_UNMERGEABLE 13             /* KSM may not merge identical pages */
+
+#define MADV_HUGEPAGE   14              /* Worth backing with hugepages */
+#define MADV_NOHUGEPAGE 15              /* Not worth backing with hugepages */
+
+#define MADV_DONTDUMP   16              /* Explicity exclude from the core dump,
+                                           overrides the coredump filter bits */
+#define MADV_DODUMP     17              /* Clear the MADV_DONTDUMP flag */
+
+/* compatibility flags */
+#define MAP_FILE        0
+
+/*
+ * When MAP_HUGETLB is set bits [26:31] encode the log2 of the huge page size.
+ * This gives us 6 bits, which is enough until someone invents 128 bit address
+ * spaces.
+ *
+ * Assume these are all power of twos.
+ * When 0 use the default page size.
+ */
+#define MAP_HUGE_SHIFT  26
+#define MAP_HUGE_MASK   0x3f
+
+#endif /* __ASM_GENERIC_MMAN_COMMON_H */