1 /* 2 * hvcserver.h 3 * Copyright (C) 2004 Ryan S Arnold, IBM Corporation 4 * 5 * PPC64 virtual I/O console server support. 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20 */ 21 22 #ifndef _PPC64_HVCSERVER_H 23 #define _PPC64_HVCSERVER_H 24 #ifdef __KERNEL__ 25 26 #include <linux/list.h> 27 28 /* Converged Location Code length */ 29 #define HVCS_CLC_LENGTH 79 30 31 /** 32 * hvcs_partner_info - an element in a list of partner info 33 * @node: list_head denoting this partner_info struct's position in the list of 34 * partner info. 35 * @unit_address: The partner unit address of this entry. 36 * @partition_ID: The partner partition ID of this entry. 37 * @location_code: The converged location code of this entry + 1 char for the 38 * null-term. 39 * 40 * This structure outlines the format that partner info is presented to a caller 41 * of the hvcs partner info fetching functions. These are strung together into 42 * a list using linux kernel lists. 43 */ 44 struct hvcs_partner_info { 45 struct list_head node; 46 uint32_t unit_address; 47 uint32_t partition_ID; 48 char location_code[HVCS_CLC_LENGTH + 1]; /* CLC + 1 null-term char */ 49 }; 50 51 extern int hvcs_free_partner_info(struct list_head *head); 52 extern int hvcs_get_partner_info(uint32_t unit_address, 53 struct list_head *head, unsigned long *pi_buff); 54 extern int hvcs_register_connection(uint32_t unit_address, 55 uint32_t p_partition_ID, uint32_t p_unit_address); 56 extern int hvcs_free_connection(uint32_t unit_address); 57 58 #endif /* __KERNEL__ */ 59 #endif /* _PPC64_HVCSERVER_H */ 60