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Diffstat (limited to 'arch/powerpc/include/asm/hvcserver.h')
-rw-r--r-- | arch/powerpc/include/asm/hvcserver.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/hvcserver.h b/arch/powerpc/include/asm/hvcserver.h new file mode 100644 index 000000000000..67d7da3a4da4 --- /dev/null +++ b/arch/powerpc/include/asm/hvcserver.h | |||
@@ -0,0 +1,59 @@ | |||
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 */ | ||