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/* $Id$
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 1992 - 1997, 2000 Silicon Graphics, Inc.
* Copyright (C) 2000 by Colin Ngam
*/
#ifndef _ASM_SN_LABELCL_H
#define _ASM_SN_LABELCL_H
#define LABELCL_MAGIC 0x4857434c /* 'HWLC' */
#define LABEL_LENGTH_MAX 256 /* Includes NULL char */
#define INFO_DESC_PRIVATE -1 /* default */
#define INFO_DESC_EXPORT 0 /* export info itself */
/*
* Internal Error codes.
*/
typedef enum labelcl_error_e { LABELCL_SUCCESS, /* 0 */
LABELCL_DUP, /* 1 */
LABELCL_NOT_FOUND, /* 2 */
LABELCL_BAD_PARAM, /* 3 */
LABELCL_HIT_LIMIT, /* 4 */
LABELCL_CANNOT_ALLOC, /* 5 */
LABELCL_ILLEGAL_REQUEST, /* 6 */
LABELCL_IN_USE /* 7 */
} labelcl_error_t;
/*
* Description of a label entry.
*/
typedef struct label_info_s {
char *name;
arb_info_desc_t desc;
arbitrary_info_t info;
} label_info_t;
/*
* Definition of the data structure that provides the link to
* the hwgraph fastinfo and the label entries associated with a
* particular devfs entry.
*/
typedef struct labelcl_info_s {
unsigned long hwcl_magic;
unsigned long num_labels;
void *label_list;
arbitrary_info_t IDX_list[HWGRAPH_NUM_INDEX_INFO];
} labelcl_info_t;
/*
* Definitions for the string table that holds the actual names
* of the labels.
*/
struct string_table_item {
struct string_table_item *next;
char string[1];
};
struct string_table {
struct string_table_item *string_table_head;
long string_table_generation;
};
#define STRTBL_BASIC_SIZE ((size_t)(((struct string_table_item *)0)->string))
#define STRTBL_ITEM_SIZE(str_length) (STRTBL_BASIC_SIZE + (str_length) + 1)
#define STRTBL_ALLOC(str_length) \
((struct string_table_item *)kmalloc(STRTBL_ITEM_SIZE(str_length), GFP_KERNEL))
#define STRTBL_FREE(ptr) kfree(ptr)
extern labelcl_info_t *labelcl_info_create(void);
extern int labelcl_info_destroy(labelcl_info_t *);
extern int labelcl_info_add_LBL(struct devfs_entry *, char *, arb_info_desc_t, arbitrary_info_t);
extern int labelcl_info_remove_LBL(struct devfs_entry *, char *, arb_info_desc_t *, arbitrary_info_t *);
extern int labelcl_info_replace_LBL(struct devfs_entry *, char *, arb_info_desc_t,
arbitrary_info_t, arb_info_desc_t *, arbitrary_info_t *);
extern int labelcl_info_get_LBL(struct devfs_entry *, char *, arb_info_desc_t *,
arbitrary_info_t *);
extern int labelcl_info_get_next_LBL(struct devfs_entry *, char *, arb_info_desc_t *,
arbitrary_info_t *, labelcl_info_place_t *);
extern int labelcl_info_replace_IDX(struct devfs_entry *, int, arbitrary_info_t,
arbitrary_info_t *);
extern int labelcl_info_connectpt_set(struct devfs_entry *, struct devfs_entry *);
extern int labelcl_info_get_IDX(struct devfs_entry *, int, arbitrary_info_t *);
extern struct devfs_entry *device_info_connectpt_get(struct devfs_entry *);
#endif /* _ASM_SN_LABELCL_H */
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