src/vlserver/vlserver_internal.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 #ifndef _VLSERVER_INTERNAL_H
  11 #define _VLSERVER_INTERNAL_H
  12
  13 /**
  14  * context for a transaction of a single VL operation.
  15  */
  16 struct vl_ctx {
  17     struct ubik_trans *trans;
  18     afs_uint32 *hostaddress;
  19     struct extentaddr **ex_addr;
  20     struct vlheader *cheader;
  21 };
  22
  23 /* vlprocs.c */
  24 extern int Init_VLdbase(struct vl_ctx *ctx, int locktype, int this_op);
  25
  26 /* vlutils.c */
  27 extern afs_int32 vlwrite(struct ubik_trans *trans, afs_int32 offset,
  28                          void *buffer, afs_int32 length);
  29 extern afs_int32 vlentrywrite(struct ubik_trans *trans, afs_int32 offset,
  30                               void *buffer, afs_int32 length);
  31 extern int write_vital_vlheader(struct vl_ctx *ctx);
  32 extern afs_int32 readExtents(struct ubik_trans *trans);
  33 extern afs_int32 CheckInit(struct ubik_trans *trans, int builddb);
  34 extern afs_int32 AllocBlock(struct vl_ctx *ctx,
  35                             struct nvlentry *tentry);
  36 extern afs_int32 FindExtentBlock(struct vl_ctx *ctx, afsUUID *uuidp,
  37                                  afs_int32 createit, afs_int32 hostslot,
  38                                  struct extentaddr **expp, afs_int32 *basep);
  39 extern afs_int32 FindByID(struct vl_ctx *ctx, afs_uint32 volid,
  40                           afs_int32 voltype, struct nvlentry *tentry,
  41                           afs_int32 *error);
  42 extern afs_int32 FindByName(struct vl_ctx *ctx, char *volname,
  43                             struct nvlentry *tentry, afs_int32 *error);
  44 extern int EntryIDExists(struct vl_ctx *ctx, const afs_uint32 *ids,
  45                          afs_int32 ids_len, afs_int32 *error);
  46 extern afs_uint32 NextUnusedID(struct vl_ctx *ctx, afs_uint32 maxvolid,
  47                                afs_uint32 bump, afs_int32 *error);
  48 extern int HashNDump(struct vl_ctx *ctx, int hashindex);
  49 extern int HashIdDump(struct vl_ctx *ctx, int hashindex);
  50 extern int ThreadVLentry(struct vl_ctx *ctx, afs_int32 blockindex,
  51                          struct nvlentry *tentry);
  52 extern int UnthreadVLentry(struct vl_ctx *ctx, afs_int32 blockindex,
  53                          struct nvlentry *aentry);
  54 extern int HashVolid(struct vl_ctx *ctx, afs_int32 voltype,
  55                      afs_int32 blockindex, struct nvlentry *tentry);
  56 extern int UnhashVolid(struct vl_ctx *ctx, afs_int32 voltype,
  57                        afs_int32 blockindex, struct nvlentry *aentry);
  58 extern int HashVolname(struct vl_ctx *ctx, afs_int32 blockindex,
  59                        struct nvlentry *aentry);
  60 extern int UnhashVolname(struct vl_ctx *ctx, afs_int32 blockindex,
  61                          struct nvlentry *aentry);
  62 extern afs_int32 NextEntry(struct vl_ctx *ctx, afs_int32 blockindex,
  63                            struct nvlentry *tentry, afs_int32 *remaining);
  64 extern int FreeBlock(struct vl_ctx *ctx, afs_int32 blockindex);
  65 extern int vlsetcache(struct vl_ctx *ctx, int locktype);
  66 extern int vlsynccache(void);
  67 #endif