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
137
138
139
140
141
142
143
144
145
146
|
/*
* libqos driver framework
*
* Copyright (c) 2018 Emanuele Giuseppe Esposito <e.emanuelegiuseppe@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1 as published by the Free Software Foundation.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>
*/
#include "qemu/osdep.h"
#include <getopt.h>
#include "../libqtest.h"
#include "qapi/qmp/qdict.h"
#include "qapi/qmp/qbool.h"
#include "qapi/qmp/qstring.h"
#include "qemu/module.h"
#include "qapi/qmp/qlist.h"
#include "libqos-malloc.h"
#include "qgraph.h"
#include "qgraph_internal.h"
#include "qos_external.h"
static void machine_apply_to_node(const char *name)
{
char *machine_name = g_strconcat(qtest_get_arch(), "/", name, NULL);
qos_graph_node_set_availability(machine_name, true);
g_free(machine_name);
}
void machines_apply_to_node(MachineInfoList *mach_info)
{
MachineInfoList *tail;
for (tail = mach_info; tail; tail = tail->next) {
machine_apply_to_node(tail->value->name);
if (tail->value->alias) {
machine_apply_to_node(tail->value->alias);
}
}
}
static void type_apply_to_node(const char *name, bool is_abstract)
{
qos_graph_node_set_availability(name, true);
if (is_abstract) {
qos_delete_cmd_line(name);
}
}
void types_apply_to_node(ObjectTypeInfoList *type_info)
{
ObjectTypeInfoList *tail;
for (tail = type_info; tail; tail = tail->next) {
type_apply_to_node(tail->value->name, tail->value->abstract);
}
}
static QGuestAllocator *get_machine_allocator(QOSGraphObject *obj)
{
return obj->get_driver(obj, "memory");
}
/**
* allocate_objects(): given an array of nodes @arg,
* walks the path invoking all constructors and
* passing the corresponding parameter in order to
* continue the objects allocation.
* Once the test is reached, return the object it consumes.
*
* Since the machine and QEDGE_CONSUMED_BY nodes allocate
* memory in the constructor, g_test_queue_destroy is used so
* that after execution they can be safely free'd. (The test's
* ->before callback is also welcome to use g_test_queue_destroy).
*
* Note: as specified in walk_path() too, @arg is an array of
* char *, where arg[0] is a pointer to the command line
* string that will be used to properly start QEMU when executing
* the test, and the remaining elements represent the actual objects
* that will be allocated.
*/
void *allocate_objects(QTestState *qts, char **path, QGuestAllocator **p_alloc)
{
int current = 0;
QGuestAllocator *alloc;
QOSGraphObject *parent = NULL;
QOSGraphEdge *edge;
QOSGraphNode *node;
void *edge_arg;
void *obj;
node = qos_graph_get_node(path[current]);
g_assert(node->type == QNODE_MACHINE);
obj = qos_machine_new(node, qts);
qos_object_queue_destroy(obj);
alloc = get_machine_allocator(obj);
if (p_alloc) {
*p_alloc = alloc;
}
for (;;) {
if (node->type != QNODE_INTERFACE) {
qos_object_start_hw(obj);
parent = obj;
}
/* follow edge and get object for next node constructor */
current++;
edge = qos_graph_get_edge(path[current - 1], path[current]);
node = qos_graph_get_node(path[current]);
if (node->type == QNODE_TEST) {
g_assert(qos_graph_edge_get_type(edge) == QEDGE_CONSUMED_BY);
return obj;
}
switch (qos_graph_edge_get_type(edge)) {
case QEDGE_PRODUCES:
obj = parent->get_driver(parent, path[current]);
break;
case QEDGE_CONSUMED_BY:
edge_arg = qos_graph_edge_get_arg(edge);
obj = qos_driver_new(node, obj, alloc, edge_arg);
qos_object_queue_destroy(obj);
break;
case QEDGE_CONTAINS:
obj = parent->get_device(parent, path[current]);
break;
}
}
}
|
