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phoenix |
/* $Id: hcl.h,v 1.1.1.1 2004-04-15 02:42:28 phoenix Exp $
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 1992-1997,2000-2003 Silicon Graphics, Inc. All rights reserved.
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*/
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#ifndef _ASM_IA64_SN_HCL_H
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#define _ASM_IA64_SN_HCL_H
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#include <asm/sn/sgi.h>
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extern vertex_hdl_t hwgraph_root;
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extern vertex_hdl_t linux_busnum;
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void hwgraph_debug(char *, char *, int, vertex_hdl_t, vertex_hdl_t, char *, ...);
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#if 1
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#define HWGRAPH_DEBUG(args) hwgraph_debug args ;
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#else
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#define HWGRAPH_DEBUG(args)
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#endif
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typedef long labelcl_info_place_t;
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typedef long arbitrary_info_t;
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typedef long arb_info_desc_t;
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/* Support for INVENTORY */
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struct inventory_s;
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struct invplace_s;
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/*
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* Reserve room in every vertex for 2 pieces of fast access indexed information
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* Note that we do not save a pointer to the bdevsw or cdevsw[] tables anymore.
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*/
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#define HWGRAPH_NUM_INDEX_INFO 2 /* MAX Entries */
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#define HWGRAPH_CONNECTPT 0 /* connect point (aprent) */
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#define HWGRAPH_FASTINFO 1 /* callee's private handle */
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/*
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* Reserved edge_place_t values, used as the "place" parameter to edge_get_next.
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* Every vertex in the hwgraph has up to 2 *implicit* edges. There is an implicit
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* edge called "." that points to the current vertex. There is an implicit edge
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* called ".." that points to the vertex' connect point.
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*/
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#define EDGE_PLACE_WANT_CURRENT 0 /* "." */
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#define EDGE_PLACE_WANT_CONNECTPT 1 /* ".." */
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#define EDGE_PLACE_WANT_REAL_EDGES 2 /* Get the first real edge */
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#define HWGRAPH_RESERVED_PLACES 2
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/*
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* Special pre-defined edge labels.
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*/
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#define HWGRAPH_EDGELBL_HW "hw"
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#define HWGRAPH_EDGELBL_DOT "."
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#define HWGRAPH_EDGELBL_DOTDOT ".."
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#define graph_edge_place_t uint
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/*
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* External declarations of EXPORTED SYMBOLS in hcl.c
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*/
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extern int hwgraph_generate_path(vertex_hdl_t, char *, int);
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extern vertex_hdl_t hwgraph_register(vertex_hdl_t, const char *,
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unsigned int, unsigned int, unsigned int, unsigned int,
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umode_t, uid_t, gid_t, struct file_operations *, void *);
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extern int hwgraph_mk_symlink(vertex_hdl_t, const char *, unsigned int,
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unsigned int, const char *, unsigned int, vertex_hdl_t *, void *);
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extern int hwgraph_vertex_destroy(vertex_hdl_t);
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extern int hwgraph_edge_add(vertex_hdl_t, vertex_hdl_t, char *);
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extern int hwgraph_edge_get(vertex_hdl_t, char *, vertex_hdl_t *);
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extern arbitrary_info_t hwgraph_fastinfo_get(vertex_hdl_t);
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extern void hwgraph_fastinfo_set(vertex_hdl_t, arbitrary_info_t );
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extern vertex_hdl_t hwgraph_mk_dir(vertex_hdl_t, const char *, unsigned int, void *);
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extern int hwgraph_connectpt_set(vertex_hdl_t, vertex_hdl_t);
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extern vertex_hdl_t hwgraph_connectpt_get(vertex_hdl_t);
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extern int hwgraph_edge_get_next(vertex_hdl_t, char *, vertex_hdl_t *, uint *);
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extern graph_error_t hwgraph_edge_remove(vertex_hdl_t, char *, vertex_hdl_t *);
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extern graph_error_t hwgraph_traverse(vertex_hdl_t, char *, vertex_hdl_t *);
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extern int hwgraph_vertex_get_next(vertex_hdl_t *, vertex_hdl_t *);
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extern int hwgraph_inventory_get_next(vertex_hdl_t, invplace_t *,
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inventory_t **);
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extern int hwgraph_inventory_add(vertex_hdl_t, int, int, major_t, minor_t, int);
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extern int hwgraph_inventory_remove(vertex_hdl_t, int, int, major_t, minor_t, int);
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extern int hwgraph_controller_num_get(vertex_hdl_t);
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extern void hwgraph_controller_num_set(vertex_hdl_t, int);
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extern int hwgraph_path_ad(vertex_hdl_t, char *, vertex_hdl_t *);
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extern vertex_hdl_t hwgraph_path_to_vertex(char *);
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extern vertex_hdl_t hwgraph_path_to_dev(char *);
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extern vertex_hdl_t hwgraph_block_device_get(vertex_hdl_t);
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extern vertex_hdl_t hwgraph_char_device_get(vertex_hdl_t);
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extern graph_error_t hwgraph_char_device_add(vertex_hdl_t, char *, char *, vertex_hdl_t *);
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extern int hwgraph_path_add(vertex_hdl_t, char *, vertex_hdl_t *);
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extern int hwgraph_info_add_LBL(vertex_hdl_t, char *, arbitrary_info_t);
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extern int hwgraph_info_get_LBL(vertex_hdl_t, char *, arbitrary_info_t *);
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extern int hwgraph_info_replace_LBL(vertex_hdl_t, char *, arbitrary_info_t,
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arbitrary_info_t *);
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extern int hwgraph_info_get_exported_LBL(vertex_hdl_t, char *, int *, arbitrary_info_t *);
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extern int hwgraph_info_get_next_LBL(vertex_hdl_t, char *, arbitrary_info_t *,
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labelcl_info_place_t *);
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extern int hwgraph_path_lookup(vertex_hdl_t, char *, vertex_hdl_t *, char **);
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extern int hwgraph_info_export_LBL(vertex_hdl_t, char *, int);
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extern int hwgraph_info_unexport_LBL(vertex_hdl_t, char *);
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extern int hwgraph_info_remove_LBL(vertex_hdl_t, char *, arbitrary_info_t *);
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extern char * vertex_to_name(vertex_hdl_t, char *, uint);
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extern graph_error_t hwgraph_vertex_unref(vertex_hdl_t);
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#endif /* _ASM_IA64_SN_HCL_H */
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