| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
| 25 | #include <linux/list.h> |
| 26 | |
| 27 | /* Converged Location Code length */ |
| 28 | #define HVCS_CLC_LENGTH 79 |
| 29 | |
| 30 | /** |
| 31 | * hvcs_partner_info - an element in a list of partner info |
| 32 | * @node: list_head denoting this partner_info struct's position in the list of |
| 33 | * partner info. |
| 34 | * @unit_address: The partner unit address of this entry. |
| 35 | * @partition_ID: The partner partition ID of this entry. |
| 36 | * @location_code: The converged location code of this entry + 1 char for the |
| 37 | * null-term. |
| 38 | * |
| 39 | * This structure outlines the format that partner info is presented to a caller |
| 40 | * of the hvcs partner info fetching functions. These are strung together into |
| 41 | * a list using linux kernel lists. |
| 42 | */ |
| 43 | struct hvcs_partner_info { |
| 44 | struct list_head node; |
| 45 | uint32_t unit_address; |
| 46 | uint32_t partition_ID; |
| 47 | char location_code[HVCS_CLC_LENGTH + 1]; /* CLC + 1 null-term char */ |
| 48 | }; |
| 49 | |
| 50 | extern int hvcs_free_partner_info(struct list_head *head); |
| 51 | extern int hvcs_get_partner_info(uint32_t unit_address, |
| 52 | struct list_head *head, unsigned long *pi_buff); |
| 53 | extern int hvcs_register_connection(uint32_t unit_address, |
| 54 | uint32_t p_partition_ID, uint32_t p_unit_address); |
| 55 | extern int hvcs_free_connection(uint32_t unit_address); |
| 56 | |
| 57 | #endif /* _PPC64_HVCSERVER_H */ |