Blame view

kernel/linux-rt-4.4.41/arch/powerpc/include/asm/hvcserver.h 2.09 KB
5113f6f70   김현기   kernel add
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
  /*
   * hvcserver.h
   * Copyright (C) 2004 Ryan S Arnold, IBM Corporation
   *
   * PPC64 virtual I/O console server support.
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation; either version 2 of the License, or
   * (at your option) any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
   */
  
  #ifndef _PPC64_HVCSERVER_H
  #define _PPC64_HVCSERVER_H
  #ifdef __KERNEL__
  
  #include <linux/list.h>
  
  /* Converged Location Code length */
  #define HVCS_CLC_LENGTH	79
  
  /**
   * hvcs_partner_info - an element in a list of partner info
   * @node: list_head denoting this partner_info struct's position in the list of
   *	partner info.
   * @unit_address: The partner unit address of this entry.
   * @partition_ID: The partner partition ID of this entry.
   * @location_code: The converged location code of this entry + 1 char for the
   *	null-term.
   *
   * This structure outlines the format that partner info is presented to a caller
   * of the hvcs partner info fetching functions.  These are strung together into
   * a list using linux kernel lists.
   */
  struct hvcs_partner_info {
  	struct list_head node;
  	uint32_t unit_address;
  	uint32_t partition_ID;
  	char location_code[HVCS_CLC_LENGTH + 1]; /* CLC + 1 null-term char */
  };
  
  extern int hvcs_free_partner_info(struct list_head *head);
  extern int hvcs_get_partner_info(uint32_t unit_address,
  		struct list_head *head, unsigned long *pi_buff);
  extern int hvcs_register_connection(uint32_t unit_address,
  		uint32_t p_partition_ID, uint32_t p_unit_address);
  extern int hvcs_free_connection(uint32_t unit_address);
  
  #endif /* __KERNEL__ */
  #endif /* _PPC64_HVCSERVER_H */