aboutsummaryrefslogtreecommitdiffstats
path: root/cvmx-app-hotplug.h
blob: bfa62f8c35a8f63c36d34104dc30162bde99f6c5 (plain) (blame)
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
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
/***********************license start***************
 * Copyright (c) 2003-2010  Cavium Networks (support@cavium.com). All rights
 * reserved.
 *
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above
 *     copyright notice, this list of conditions and the following
 *     disclaimer in the documentation and/or other materials provided
 *     with the distribution.

 *   * Neither the name of Cavium Networks nor the names of
 *     its contributors may be used to endorse or promote products
 *     derived from this software without specific prior written
 *     permission.

 * This Software, including technical data, may be subject to U.S. export  control
 * laws, including the U.S. Export Administration Act and its  associated
 * regulations, and may be subject to export or import  regulations in other
 * countries.

 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
 * AND WITH ALL FAULTS AND CAVIUM  NETWORKS MAKES NO PROMISES, REPRESENTATIONS OR
 * WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO
 * THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR
 * DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM
 * SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE,
 * MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF
 * VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR
 * CORRESPONDENCE TO DESCRIPTION. THE ENTIRE  RISK ARISING OUT OF USE OR
 * PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
 ***********************license end**************************************/

/**
 * @file
 *
 * Header file for the hotplug APIs
 *
 * <hr>$Revision:  $<hr>
 */

#ifndef __CVMX_APP_HOTPLUG_H__
#define __CVMX_APP_HOTPLUG_H__

#ifdef	__cplusplus
extern "C" {
#endif

#ifdef CVMX_BUILD_FOR_LINUX_KERNEL
#include <asm/octeon/cvmx.h>
#include <asm/octeon/cvmx-bootmem.h>
#else
#include "cvmx.h"
#include "cvmx-coremask.h"
#include "cvmx-interrupt.h"
#include "cvmx-bootmem.h"
#endif

#define CVMX_APP_HOTPLUG_MAX_APPS 32
#define CVMX_APP_HOTPLUG_MAX_APPNAME_LEN 256

typedef struct cvmx_app_hotplug_info
{
   char app_name[CVMX_APP_HOTPLUG_MAX_APPNAME_LEN];
   uint32_t coremask;
   uint32_t volatile hotplug_activated_coremask;
   int32_t  valid;
   int32_t volatile shutdown_done;
   uint64_t shutdown_callback;
   uint64_t data;
} cvmx_app_hotplug_info_t;

struct cvmx_app_hotplug_global
{
   uint32_t avail_coremask;
   cvmx_app_hotplug_info_t hotplug_info_array[CVMX_APP_HOTPLUG_MAX_APPS];
};

typedef struct cvmx_app_hotplug_global cvmx_app_hotplug_global_t;

int cvmx_app_hotplug_shutdown_request(uint32_t, int);
cvmx_app_hotplug_info_t* cvmx_app_hotplug_get_info(uint32_t);
#ifndef CVMX_BUILD_FOR_LINUX_USER
int cvmx_app_hotplug_register(void(*)(void*), void*);
int cvmx_app_hotplug_activate(void);
void cvmx_app_hotplug_shutdown_disable(void);
void cvmx_app_hotplug_shutdown_enable(void);
#endif

#define CVMX_APP_HOTPLUG_INFO_REGION_SIZE  sizeof(cvmx_app_hotplug_global_t)
#define CVMX_APP_HOTPLUG_INFO_REGION_NAME  "cvmx-app-hotplug-block"

#ifdef	__cplusplus
}
#endif

#endif  /* __CVMX_APP_HOTPLUG_H__ */