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46 lines
1.4 KiB
46 lines
1.4 KiB
/* 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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