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1da177e4 LT |
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 */ |