src/afs/HPUX/osi_inode.h

   1 /*
   2  * Copyright 2000, International Business Machines Corporation and others.
   3  * All Rights Reserved.
   4  *
   5  * This software has been released under the terms of the IBM Public
   6  * License.  For details, see the LICENSE file in the top-level source
   7  * directory or online at http://www.openafs.org/dl/license10.html
   8  */
   9
  10 /*
  11  * Inode information required for HPUX servers and salvager.
  12  */
  13 #ifndef _OSI_INODE_H_
  14 #define _OSI_INODE_H_
  15
  16 #define BAD_IGET        -1000
  17
  18 #define VICEMAGIC       0x84fa1cb6
  19
  20 /* These exist because HP requires more work to extract uid. */
  21 #define DI_VICEP3(p)    ( *(int32_t *) &((p)->di_ic.ic_uid_msb) )
  22 #define I_VICE3(p)      ( *(int32_t *)( &((p)->i_icun.i_ic.ic_uid_msb) ) )
  23
  24 #define _GET_DC_UID(DC) ((uid_t)((DC).ic_uid_msb << 16 | (DC).ic_uid_lsb))
  25 #define _GET_D_UID(DP)  _GET_DC_UID((DP)->di_ic)
  26
  27 /* the VICEMAGIC field is moved to ic_flags. This is because VICEMAGIC
  28 ** happens to set the LARGEUID bit in the ic_flags field.  UFS interprets
  29 ** this as an inode which supports large uid's, hence does not do any UID
  30 ** length conversion on the fly. We use the uid fields to store i_vicep3.
  31 */
  32 #define i_vicemagic     i_icun.i_ic.ic_flags
  33 #define i_vicep1        i_icun.i_ic.ic_spare[0]
  34 #define i_vicep2        i_icun.i_ic.ic_spare[1]
  35 #define i_vicep4        i_icun.i_ic.ic_gen
  36 #define i_vicep3        ( *(int32_t *)( &(i_icun.i_ic.ic_uid_msb) ) )
  37
  38 #define di_vicemagic     di_ic.ic_flags
  39 #define di_vicep1       di_ic.ic_spare[0]
  40 #define di_vicep2       di_ic.ic_spare[1]
  41 #define di_vicep4       di_ic.ic_gen
  42 #define di_vicep3       ( *(int32_t *)( &(di_ic.ic_uid_msb) ) )
  43
  44 #define  IS_VICEMAGIC(ip)        ((ip)->i_vicemagic == VICEMAGIC ?  1 : 0)
  45 #define  IS_DVICEMAGIC(dp)       ((dp)->di_vicemagic == VICEMAGIC ?  1 : 0)
  46
  47 #define  CLEAR_VICEMAGIC(ip)     (ip)->i_vicemagic = 0
  48 #define  CLEAR_DVICEMAGIC(dp)    (dp)->di_vicemagic = 0
  49
  50 struct inode *igetinode(struct vfs *vfsp, dev_t dev, ino_t inode,
  51                         int *perror);
  52
  53 #endif /* _OSI_INODE_H_ */