mirror of https://gitee.com/openkylin/linux.git
58 lines
2.0 KiB
C
58 lines
2.0 KiB
C
/*
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* hvcserver.h
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* Copyright (C) 2004 Ryan S Arnold, IBM Corporation
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*
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* PPC64 virtual I/O console server support.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _PPC64_HVCSERVER_H
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#define _PPC64_HVCSERVER_H
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#include <linux/list.h>
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/* Converged Location Code length */
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#define HVCS_CLC_LENGTH 79
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/**
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* hvcs_partner_info - an element in a list of partner info
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* @node: list_head denoting this partner_info struct's position in the list of
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* partner info.
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* @unit_address: The partner unit address of this entry.
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* @partition_ID: The partner partition ID of this entry.
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* @location_code: The converged location code of this entry + 1 char for the
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* null-term.
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*
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* This structure outlines the format that partner info is presented to a caller
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* of the hvcs partner info fetching functions. These are strung together into
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* a list using linux kernel lists.
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*/
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struct hvcs_partner_info {
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struct list_head node;
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uint32_t unit_address;
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uint32_t partition_ID;
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char location_code[HVCS_CLC_LENGTH + 1]; /* CLC + 1 null-term char */
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};
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extern int hvcs_free_partner_info(struct list_head *head);
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extern int hvcs_get_partner_info(uint32_t unit_address,
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struct list_head *head, unsigned long *pi_buff);
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extern int hvcs_register_connection(uint32_t unit_address,
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uint32_t p_partition_ID, uint32_t p_unit_address);
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extern int hvcs_free_connection(uint32_t unit_address);
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#endif /* _PPC64_HVCSERVER_H */
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