LU-5140 build: Make ko2iblnd buildable with Mellanox and newer kernels

[fs/lustre-release.git] / libcfs / include / libcfs / curproc.h

diff --git a/libcfs/include/libcfs/curproc.h b/libcfs/include/libcfs/curproc.h
index 518fbd4..aa144e7 100644 (file)
--- a/libcfs/include/libcfs/curproc.h
+++ b/libcfs/include/libcfs/curproc.h
@@ -1,6 +1,4 @@
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
  * GPL HEADER START
  *
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
@@ -26,8 +24,10 @@
  * GPL HEADER END
  */
 /*
- * Copyright  2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
+ *
+ * Copyright (c) 2012, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -43,37 +43,107 @@
 #ifndef __LIBCFS_CURPROC_H__
 #define __LIBCFS_CURPROC_H__
 
-#ifdef __KERNEL__
-/*
- * Portable API to access common characteristics of "current" UNIX process.
- *
- * Implemented in portals/include/libcfs/<os>/
- */
-uid_t  cfs_curproc_uid(void);
-gid_t  cfs_curproc_gid(void);
-uid_t  cfs_curproc_fsuid(void);
-gid_t  cfs_curproc_fsgid(void);
-pid_t  cfs_curproc_pid(void);
-int    cfs_curproc_groups_nr(void);
-int    cfs_curproc_is_in_groups(gid_t group);
-void   cfs_curproc_groups_dump(gid_t *array, int size);
-mode_t cfs_curproc_umask(void);
-char  *cfs_curproc_comm(void);
+#if !defined(HAVE_UIDGID_HEADER) || !defined(__KERNEL__)
 
+#ifndef _LINUX_UIDGID_H
+#define _LINUX_UIDGID_H
 
-/*
- * Plus, platform-specific constant
- *
- * CFS_CURPROC_COMM_MAX,
- *
- * and opaque scalar type
- *
- * cfs_kernel_cap_t
- */
-cfs_kernel_cap_t cfs_curproc_cap_get(void);
-void cfs_curproc_cap_set(cfs_kernel_cap_t cap);
+typedef uid_t kuid_t;
+typedef gid_t kgid_t;
+
+#define INVALID_UID     -1
+#define INVALID_GID     -1
+
+#define GLOBAL_ROOT_UID         0
+#define GLOBAL_ROOT_GID         0
+
+#ifndef __KERNEL__
+struct user_namespace {
+       unsigned int pad;
+};
+
+extern struct user_namespace init_user_ns;
 #endif
 
+static inline uid_t __kuid_val(kuid_t uid)
+{
+       return uid;
+}
+
+static inline gid_t __kgid_val(kgid_t gid)
+{
+       return gid;
+}
+
+static inline kuid_t make_kuid(struct user_namespace *from, uid_t uid)
+{
+       return uid;
+}
+
+static inline kgid_t make_kgid(struct user_namespace *from, gid_t gid)
+{
+       return gid;
+}
+
+static inline uid_t from_kuid(struct user_namespace *to, kuid_t uid)
+{
+       return uid;
+}
+
+static inline gid_t from_kgid(struct user_namespace *to, kgid_t gid)
+{
+       return gid;
+}
+
+static inline bool uid_eq(kuid_t left, kuid_t right)
+{
+       return left == right;
+}
+
+static inline bool uid_valid(kuid_t uid)
+{
+       return (uid != INVALID_UID);
+}
+
+static inline bool gid_valid(kgid_t gid)
+{
+       return (gid != INVALID_GID);
+}
+#endif /* _LINUX_UIDGID_H */
+
+#endif
+
+int cfs_get_environ(const char *key, char *value, int *val_len);
+
+typedef __u32 cfs_cap_t;
+
+#define CFS_CAP_CHOWN                   0
+#define CFS_CAP_DAC_OVERRIDE            1
+#define CFS_CAP_DAC_READ_SEARCH         2
+#define CFS_CAP_FOWNER                  3
+#define CFS_CAP_FSETID                  4
+#define CFS_CAP_LINUX_IMMUTABLE         9
+#define CFS_CAP_SYS_ADMIN              21
+#define CFS_CAP_SYS_BOOT               23
+#define CFS_CAP_SYS_RESOURCE           24
+
+#define CFS_CAP_FS_MASK ((1 << CFS_CAP_CHOWN) |                 \
+                         (1 << CFS_CAP_DAC_OVERRIDE) |          \
+                         (1 << CFS_CAP_DAC_READ_SEARCH) |       \
+                         (1 << CFS_CAP_FOWNER) |                \
+                         (1 << CFS_CAP_FSETID ) |               \
+                         (1 << CFS_CAP_LINUX_IMMUTABLE) |       \
+                         (1 << CFS_CAP_SYS_ADMIN) |             \
+                         (1 << CFS_CAP_SYS_BOOT) |              \
+                         (1 << CFS_CAP_SYS_RESOURCE))
+
+void cfs_cap_raise(cfs_cap_t cap);
+void cfs_cap_lower(cfs_cap_t cap);
+int cfs_cap_raised(cfs_cap_t cap);
+cfs_cap_t cfs_curproc_cap_pack(void);
+void cfs_curproc_cap_unpack(cfs_cap_t cap);
+int cfs_capable(cfs_cap_t cap);
+
 /* __LIBCFS_CURPROC_H__ */
 #endif
 /*