/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * hvcserver.h * Copyright (C) 2004 Ryan S Arnold, IBM Corporation * * PPC64 virtual I/O console server support. */ #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 */