47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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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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#ifndef _PPC64_HVCSERVER_H
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#define _PPC64_HVCSERVER_H
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#ifdef __KERNEL__
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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 /* __KERNEL__ */
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#endif /* _PPC64_HVCSERVER_H */
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