]>
Commit | Line | Data |
---|---|---|
1a59d1b8 | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
1da177e4 LT |
2 | /* |
3 | * hvcserver.h | |
4 | * Copyright (C) 2004 Ryan S Arnold, IBM Corporation | |
5 | * | |
6 | * PPC64 virtual I/O console server support. | |
1da177e4 LT |
7 | */ |
8 | ||
9 | #ifndef _PPC64_HVCSERVER_H | |
10 | #define _PPC64_HVCSERVER_H | |
88ced031 | 11 | #ifdef __KERNEL__ |
1da177e4 LT |
12 | |
13 | #include <linux/list.h> | |
14 | ||
15 | /* Converged Location Code length */ | |
16 | #define HVCS_CLC_LENGTH 79 | |
17 | ||
18 | /** | |
19 | * hvcs_partner_info - an element in a list of partner info | |
20 | * @node: list_head denoting this partner_info struct's position in the list of | |
21 | * partner info. | |
22 | * @unit_address: The partner unit address of this entry. | |
23 | * @partition_ID: The partner partition ID of this entry. | |
24 | * @location_code: The converged location code of this entry + 1 char for the | |
25 | * null-term. | |
26 | * | |
27 | * This structure outlines the format that partner info is presented to a caller | |
28 | * of the hvcs partner info fetching functions. These are strung together into | |
29 | * a list using linux kernel lists. | |
30 | */ | |
31 | struct hvcs_partner_info { | |
32 | struct list_head node; | |
33 | uint32_t unit_address; | |
34 | uint32_t partition_ID; | |
35 | char location_code[HVCS_CLC_LENGTH + 1]; /* CLC + 1 null-term char */ | |
36 | }; | |
37 | ||
38 | extern int hvcs_free_partner_info(struct list_head *head); | |
39 | extern int hvcs_get_partner_info(uint32_t unit_address, | |
40 | struct list_head *head, unsigned long *pi_buff); | |
41 | extern int hvcs_register_connection(uint32_t unit_address, | |
42 | uint32_t p_partition_ID, uint32_t p_unit_address); | |
43 | extern int hvcs_free_connection(uint32_t unit_address); | |
44 | ||
88ced031 | 45 | #endif /* __KERNEL__ */ |
1da177e4 | 46 | #endif /* _PPC64_HVCSERVER_H */ |