include/asm-ia64/sn/labelcl.h

   1 /* $Id: labelcl.h,v 1.1.1.1 2005/04/11 02:50:52 jack Exp $
   2  *
   3  * This file is subject to the terms and conditions of the GNU General Public
   4  * License.  See the file "COPYING" in the main directory of this archive
   5  * for more details.
   6  *
   7  * Copyright (C) 1992 - 1997, 2000-2002 Silicon Graphics, Inc. All rights reserved.
   8  */
   9 #ifndef _ASM_IA64_SN_LABELCL_H
  10 #define _ASM_IA64_SN_LABELCL_H
  11
  12 #include <asm/sn/hcl.h>
  13
  14 #define LABELCL_MAGIC 0x4857434c        /* 'HWLC' */
  15 #define LABEL_LENGTH_MAX 256            /* Includes NULL char */
  16 #define INFO_DESC_PRIVATE (-1)          /* default */
  17 #define INFO_DESC_EXPORT  0             /* export info itself */
  18
  19 /*
  20  * Internal Error codes.
  21  */
  22 typedef enum labelcl_error_e {  LABELCL_SUCCESS,          /* 0 */
  23                                 LABELCL_DUP,              /* 1 */
  24                                 LABELCL_NOT_FOUND,        /* 2 */
  25                                 LABELCL_BAD_PARAM,        /* 3 */
  26                                 LABELCL_HIT_LIMIT,        /* 4 */
  27                                 LABELCL_CANNOT_ALLOC,     /* 5 */
  28                                 LABELCL_ILLEGAL_REQUEST,  /* 6 */
  29                                 LABELCL_IN_USE            /* 7 */
  30                                 } labelcl_error_t;
  31
  32
  33 /*
  34  * Description of a label entry.
  35  */
  36 typedef struct label_info_s {
  37         char                    *name;
  38         arb_info_desc_t         desc;
  39         arbitrary_info_t        info;
  40 } label_info_t;
  41
  42 /*
  43  * Definition of the data structure that provides the link to
  44  * the hwgraph fastinfo and the label entries associated with a
  45  * particular devfs entry.
  46  */
  47 typedef struct labelcl_info_s {
  48         unsigned long   hwcl_magic;
  49         unsigned long   num_labels;
  50         void            *label_list;
  51         arbitrary_info_t IDX_list[HWGRAPH_NUM_INDEX_INFO];
  52 } labelcl_info_t;
  53
  54 /*
  55  * Definitions for the string table that holds the actual names
  56  * of the labels.
  57  */
  58 struct string_table_item {
  59         struct string_table_item        *next;
  60         char                            string[1];
  61 };
  62
  63 struct string_table {
  64         struct string_table_item        *string_table_head;
  65         long                            string_table_generation;
  66 };
  67
  68
  69 #define STRTBL_BASIC_SIZE ((size_t)(((struct string_table_item *)0)->string))
  70 #define STRTBL_ITEM_SIZE(str_length) (STRTBL_BASIC_SIZE + (str_length) + 1)
  71
  72 #define STRTBL_ALLOC(str_length) \
  73         ((struct string_table_item *)kmalloc(STRTBL_ITEM_SIZE(str_length), GFP_KERNEL))
  74
  75 #define STRTBL_FREE(ptr) kfree(ptr)
  76
  77
  78 extern labelcl_info_t *labelcl_info_create(void);
  79 extern int labelcl_info_destroy(labelcl_info_t *);
  80 extern int labelcl_info_add_LBL(struct devfs_entry *, char *, arb_info_desc_t, arbitrary_info_t);
  81 extern int labelcl_info_remove_LBL(struct devfs_entry *, char *, arb_info_desc_t *, arbitrary_info_t *);
  82 extern int labelcl_info_replace_LBL(struct devfs_entry *, char *, arb_info_desc_t,
  83                         arbitrary_info_t, arb_info_desc_t *, arbitrary_info_t *);
  84 extern int labelcl_info_get_LBL(struct devfs_entry *, char *, arb_info_desc_t *,
  85                       arbitrary_info_t *);
  86 extern int labelcl_info_get_next_LBL(struct devfs_entry *, char *, arb_info_desc_t *,
  87                            arbitrary_info_t *, labelcl_info_place_t *);
  88 extern int labelcl_info_replace_IDX(struct devfs_entry *, int, arbitrary_info_t,
  89                         arbitrary_info_t *);
  90 extern int labelcl_info_connectpt_set(struct devfs_entry *, struct devfs_entry *);
  91 extern int labelcl_info_get_IDX(struct devfs_entry *, int, arbitrary_info_t *);
  92 extern struct devfs_entry *device_info_connectpt_get(struct devfs_entry *);
  93
  94 #endif /* _ASM_IA64_SN_LABELCL_H */