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
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
/* -*- Mode: C; c-basic-offset:4 ; -*- */
/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2007 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
*
* Copyright (c) 2006 Voltaire. All rights reserved.
* Copyright (c) 2009 IBM Corporation. All rights reserved.
*
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "ompi/mca/rcache/rcache.h"
#include "rcache_vma.h"
#include "rcache_vma_tree.h"
#include "orte/util/show_help.h"
#include "ompi/mca/mpool/base/base.h"
/**
* Initialize the rcache
*/
void mca_rcache_vma_module_init( mca_rcache_vma_module_t* rcache ) {
rcache->base.rcache_find = mca_rcache_vma_find;
rcache->base.rcache_find_all = mca_rcache_vma_find_all;
rcache->base.rcache_insert = mca_rcache_vma_insert;
rcache->base.rcache_delete = mca_rcache_vma_delete;
rcache->base.rcache_clean = mca_rcache_vma_clean;
rcache->base.rcache_finalize = mca_rcache_vma_finalize;
OBJ_CONSTRUCT(&rcache->base.lock, opal_mutex_t);
mca_rcache_vma_tree_init(rcache);
}
int mca_rcache_vma_find(struct mca_rcache_base_module_t* rcache,
void* addr, size_t size, mca_mpool_base_registration_t **reg)
{
void* base_addr;
void* bound_addr;
if(size == 0) {
return OMPI_ERROR;
}
base_addr = down_align_addr(addr, mca_mpool_base_page_size_log);
bound_addr = up_align_addr((void*) ((unsigned long) addr + size - 1), mca_mpool_base_page_size_log);
*reg = mca_rcache_vma_tree_find((mca_rcache_vma_module_t*)rcache, (unsigned char*)base_addr,
(unsigned char*)bound_addr);
return OMPI_SUCCESS;
}
int mca_rcache_vma_find_all(struct mca_rcache_base_module_t* rcache,
void* addr, size_t size, mca_mpool_base_registration_t **regs,
int reg_cnt)
{
void *base_addr, *bound_addr;
if(size == 0) {
return OMPI_ERROR;
}
base_addr = down_align_addr(addr, mca_mpool_base_page_size_log);
bound_addr = up_align_addr((void*) ((unsigned long) addr + size - 1), mca_mpool_base_page_size_log);
return mca_rcache_vma_tree_find_all((mca_rcache_vma_module_t*)rcache,
(unsigned char*)base_addr, (unsigned char*)bound_addr, regs,
reg_cnt);
}
int mca_rcache_vma_insert(struct mca_rcache_base_module_t* rcache,
mca_mpool_base_registration_t* reg, size_t limit)
{
size_t reg_size = reg->bound - reg->base + 1;
mca_rcache_vma_module_t *vma_rcache = (mca_rcache_vma_module_t*)rcache;
if(limit != 0 && reg_size > limit) {
/* return out of resources if request is bigger than cache size
* return temp out of resources otherwise */
return OMPI_ERR_OUT_OF_RESOURCE;
}
return mca_rcache_vma_tree_insert(vma_rcache, reg, limit);
}
int mca_rcache_vma_delete(struct mca_rcache_base_module_t* rcache,
mca_mpool_base_registration_t* reg)
{
mca_rcache_vma_module_t *vma_rcache = (mca_rcache_vma_module_t*)rcache;
return mca_rcache_vma_tree_delete(vma_rcache, reg);
}
int mca_rcache_vma_clean(struct mca_rcache_base_module_t* rcache)
{
mca_rcache_vma_module_t *vma_rcache = (mca_rcache_vma_module_t*)rcache;
mca_rcache_vma_t *vma;
opal_list_item_t *i;
do {
OPAL_THREAD_LOCK(&rcache->lock);
i = opal_list_get_first(&vma_rcache->vma_delete_list);
if(opal_list_get_end(&vma_rcache->vma_delete_list) == i) {
vma = NULL;
OPAL_THREAD_UNLOCK(&rcache->lock);
} else {
vma = (mca_rcache_vma_t *)i;
opal_list_remove_item(&vma_rcache->vma_delete_list, &vma->super);
/* Need to drop the rcache lock before destroying the vma */
OPAL_THREAD_UNLOCK(&rcache->lock);
mca_rcache_vma_destroy(vma);
}
} while (NULL != vma);
return OMPI_SUCCESS;
}
/**
* finalize
*/
void mca_rcache_vma_finalize(struct mca_rcache_base_module_t* rcache)
{
}
|
