include/asm-ia64/sn/labelcl.h

   1 /* $Id$
   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, 2000-2003 Silicon Graphics, Inc. All rights reserved.
   8  */
   9 #ifndef _ASM_IA64_SN_LABELCL_H
  10 #define _ASM_IA64_SN_LABELCL_H
  11
  12 #define LABELCL_MAGIC 0x4857434c        /* 'HWLC' */
  13 #define LABEL_LENGTH_MAX 256            /* Includes NULL char */
  14 #define INFO_DESC_PRIVATE (-1)          /* default */
  15 #define INFO_DESC_EXPORT  0             /* export info itself */
  16
  17 /*
  18  * Internal Error codes.
  19  */
  20 typedef enum labelcl_error_e {  LABELCL_SUCCESS,          /* 0 */
  21                                 LABELCL_DUP,              /* 1 */
  22                                 LABELCL_NOT_FOUND,        /* 2 */
  23                                 LABELCL_BAD_PARAM,        /* 3 */
  24                                 LABELCL_HIT_LIMIT,        /* 4 */
  25                                 LABELCL_CANNOT_ALLOC,     /* 5 */
  26                                 LABELCL_ILLEGAL_REQUEST,  /* 6 */
  27                                 LABELCL_IN_USE            /* 7 */
  28                                 } labelcl_error_t;
  29
  30
  31 /*
  32  * Description of a label entry.
  33  */
  34 typedef struct label_info_s {
  35         char                    *name;
  36         arb_info_desc_t         desc;
  37         arbitrary_info_t        info;
  38 } label_info_t;
  39
  40 /*
  41  * Definition of the data structure that provides the link to
  42  * the hwgraph fastinfo and the label entries associated with a
  43  * particular devfs entry.
  44  */
  45 typedef struct labelcl_info_s {
  46         unsigned long   hwcl_magic;
  47         unsigned long   num_labels;
  48         void            *label_list;
  49         arbitrary_info_t IDX_list[HWGRAPH_NUM_INDEX_INFO];
  50 } labelcl_info_t;
  51
  52 /*
  53  * Definitions for the string table that holds the actual names
  54  * of the labels.
  55  */
  56 struct string_table_item {
  57         struct string_table_item        *next;
  58         char                            string[1];
  59 };
  60
  61 struct string_table {
  62         struct string_table_item        *string_table_head;
  63         long                            string_table_generation;
  64 };
  65
  66
  67 #define STRTBL_BASIC_SIZE ((size_t)(((struct string_table_item *)0)->string))
  68 #define STRTBL_ITEM_SIZE(str_length) (STRTBL_BASIC_SIZE + (str_length) + 1)
  69
  70 #define STRTBL_ALLOC(str_length) \
  71         ((struct string_table_item *)kmalloc(STRTBL_ITEM_SIZE(str_length), GFP_KERNEL))
  72
  73 #define STRTBL_FREE(ptr) kfree(ptr)
  74
  75
  76 extern labelcl_info_t *labelcl_info_create(void);
  77 extern int labelcl_info_destroy(labelcl_info_t *);
  78 extern int labelcl_info_add_LBL(vertex_hdl_t, char *, arb_info_desc_t, arbitrary_info_t);
  79 extern int labelcl_info_remove_LBL(vertex_hdl_t, char *, arb_info_desc_t *, arbitrary_info_t *);
  80 extern int labelcl_info_replace_LBL(vertex_hdl_t, char *, arb_info_desc_t,
  81                         arbitrary_info_t, arb_info_desc_t *, arbitrary_info_t *);
  82 extern int labelcl_info_get_LBL(vertex_hdl_t, char *, arb_info_desc_t *,
  83                       arbitrary_info_t *);
  84 extern int labelcl_info_get_next_LBL(vertex_hdl_t, char *, arb_info_desc_t *,
  85                            arbitrary_info_t *, labelcl_info_place_t *);
  86 extern int labelcl_info_replace_IDX(vertex_hdl_t, int, arbitrary_info_t,
  87                         arbitrary_info_t *);
  88 extern int labelcl_info_connectpt_set(vertex_hdl_t, vertex_hdl_t);
  89 extern int labelcl_info_get_IDX(vertex_hdl_t, int, arbitrary_info_t *);
  90 extern struct devfs_handle_t device_info_connectpt_get(vertex_hdl_t);
  91
  92 #endif /* _ASM_IA64_SN_LABELCL_H */