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 * hvcserver.h
 * Copyright (C) 2004 Ryan S Arnold, IBM Corporation
 * PPC64 virtual I/O console server support.
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA

#ifndef _PPC64_HVCSERVER_H
#define _PPC64_HVCSERVER_H
#ifdef __KERNEL__

#include <linux/list.h>

/* Converged Location Code length */
#define HVCS_CLC_LENGTH 79

 * hvcs_partner_info - an element in a list of partner info
 * @node: list_head denoting this partner_info struct's position in the list of
 *    partner info.
 * @unit_address: The partner unit address of this entry.
 * @partition_ID: The partner partition ID of this entry.
 * @location_code: The converged location code of this entry + 1 char for the
 *    null-term.
 * This structure outlines the format that partner info is presented to a caller
 * of the hvcs partner info fetching functions.  These are strung together into
 * a list using linux kernel lists.
struct hvcs_partner_info {
      struct list_head node;
      uint32_t unit_address;
      uint32_t partition_ID;
      char location_code[HVCS_CLC_LENGTH + 1]; /* CLC + 1 null-term char */

extern int hvcs_free_partner_info(struct list_head *head);
extern int hvcs_get_partner_info(uint32_t unit_address,
            struct list_head *head, unsigned long *pi_buff);
extern int hvcs_register_connection(uint32_t unit_address,
            uint32_t p_partition_ID, uint32_t p_unit_address);
extern int hvcs_free_connection(uint32_t unit_address);

#endif /* __KERNEL__ */
#endif /* _PPC64_HVCSERVER_H */

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