LXR linux/drivers/staging/lustre/include/linux/libcfs/curproc.h

   1/*
   2 * GPL HEADER START
   3 *
   4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5 *
   6 * This program is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License version 2 only,
   8 * as published by the Free Software Foundation.
   9 *
  10 * This program is distributed in the hope that it will be useful, but
  11 * WITHOUT ANY WARRANTY; without even the implied warranty of
  12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 * General Public License version 2 for more details (a copy is included
  14 * in the LICENSE file that accompanied this code).
  15 *
  16 * You should have received a copy of the GNU General Public License
  17 * version 2 along with this program; If not, see
  18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
  19 *
  20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  21 * CA 95054 USA or visit www.sun.com if you need additional information or
  22 * have any questions.
  23 *
  24 * GPL HEADER END
  25 */
  26/*
  27 * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
  28 * Use is subject to license terms.
  29 *
  30 * Copyright (c) 2011, 2012, Intel Corporation.
  31 */
  32/*
  33 * This file is part of Lustre, http://www.lustre.org/
  34 * Lustre is a trademark of Sun Microsystems, Inc.
  35 *
  36 * libcfs/include/libcfs/curproc.h
  37 *
  38 * Lustre curproc API declaration
  39 *
  40 * Author: Nikita Danilov <nikita@clusterfs.com>
  41 */
  42
  43#ifndef __LIBCFS_CURPROC_H__
  44#define __LIBCFS_CURPROC_H__
  45
  46/*
  47 * Plus, platform-specific constant
  48 *
  49 * CFS_CURPROC_COMM_MAX,
  50 *
  51 * and opaque scalar type
  52 *
  53 * kernel_cap_t
  54 */
  55
  56/* check if task is running in compat mode.*/
  57#define current_pid()           (current->pid)
  58#define current_comm()          (current->comm)
  59
  60typedef __u32 cfs_cap_t;
  61
  62#define CFS_CAP_CHOWN              0
  63#define CFS_CAP_DAC_OVERRIDE        1
  64#define CFS_CAP_DAC_READ_SEARCH  2
  65#define CFS_CAP_FOWNER            3
  66#define CFS_CAP_FSETID            4
  67#define CFS_CAP_LINUX_IMMUTABLE  9
  68#define CFS_CAP_SYS_ADMIN             21
  69#define CFS_CAP_SYS_BOOT               23
  70#define CFS_CAP_SYS_RESOURCE       24
  71
  72#define CFS_CAP_FS_MASK ((1 << CFS_CAP_CHOWN) |          \
  73                         (1 << CFS_CAP_DAC_OVERRIDE) |    \
  74                         (1 << CFS_CAP_DAC_READ_SEARCH) |       \
  75                         (1 << CFS_CAP_FOWNER) |                \
  76                         (1 << CFS_CAP_FSETID) |               \
  77                         (1 << CFS_CAP_LINUX_IMMUTABLE) |       \
  78                         (1 << CFS_CAP_SYS_ADMIN) |          \
  79                         (1 << CFS_CAP_SYS_BOOT) |            \
  80                         (1 << CFS_CAP_SYS_RESOURCE))
  81
  82void cfs_cap_raise(cfs_cap_t cap);
  83void cfs_cap_lower(cfs_cap_t cap);
  84int cfs_cap_raised(cfs_cap_t cap);
  85cfs_cap_t cfs_curproc_cap_pack(void);
  86
  87/* __LIBCFS_CURPROC_H__ */
  88#endif
  89/*
  90 * Local variables:
  91 * c-indentation-style: "K&R"
  92 * c-basic-offset: 8
  93 * tab-width: 8
  94 * fill-column: 80
  95 * scroll-step: 1
  96 * End:
  97 */
  98