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[PATCH v7 09/20] libqos: move useful qos-test funcs to qos_external
From: |
Bulekov, Alexander |
Subject: |
[PATCH v7 09/20] libqos: move useful qos-test funcs to qos_external |
Date: |
Mon, 20 Jan 2020 05:54:53 +0000 |
The moved functions are not specific to qos-test and might be useful
elsewhere. For example the virtual-device fuzzer makes use of them for
qos-assisted fuzz-targets.
Signed-off-by: Alexander Bulekov <address@hidden>
Reviewed-by: Stefan Hajnoczi <address@hidden>
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
---
tests/qtest/Makefile.include | 1 +
tests/qtest/libqos/qos_external.c | 168 ++++++++++++++++++++++++++++++
tests/qtest/libqos/qos_external.h | 28 +++++
tests/qtest/qos-test.c | 132 +----------------------
4 files changed, 198 insertions(+), 131 deletions(-)
create mode 100644 tests/qtest/libqos/qos_external.c
create mode 100644 tests/qtest/libqos/qos_external.h
diff --git a/tests/qtest/Makefile.include b/tests/qtest/Makefile.include
index 08a48c1252..bdc93d3866 100644
--- a/tests/qtest/Makefile.include
+++ b/tests/qtest/Makefile.include
@@ -172,6 +172,7 @@ libqos-usb-obj-y = $(libqos-spapr-obj-y) $(libqos-pc-obj-y)
tests/qtest/libqos/u
# qos devices:
libqos-obj-y = $(libqgraph-obj-y)
libqos-obj-y += $(libqos-pc-obj-y) $(libqos-spapr-obj-y)
+libqos-obj-y += tests/qtest/libqos/qos_external.o
libqos-obj-y += tests/qtest/libqos/e1000e.o
libqos-obj-y += tests/qtest/libqos/i2c.o
libqos-obj-y += tests/qtest/libqos/i2c-imx.o
diff --git a/tests/qtest/libqos/qos_external.c
b/tests/qtest/libqos/qos_external.c
new file mode 100644
index 0000000000..398556dde0
--- /dev/null
+++ b/tests/qtest/libqos/qos_external.c
@@ -0,0 +1,168 @@
+/*
+ * libqos driver framework
+ *
+ * Copyright (c) 2018 Emanuele Giuseppe Esposito <address@hidden>
+ *
+ * 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 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 "libqos/qgraph.h"
+#include "libqos/qgraph_internal.h"
+#include "libqos/qos_external.h"
+
+
+
+void apply_to_node(const char *name, bool is_machine, bool is_abstract)
+{
+ char *machine_name = NULL;
+ if (is_machine) {
+ const char *arch = qtest_get_arch();
+ machine_name = g_strconcat(arch, "/", name, NULL);
+ name = machine_name;
+ }
+ qos_graph_node_set_availability(name, true);
+ if (is_abstract) {
+ qos_delete_cmd_line(name);
+ }
+ g_free(machine_name);
+}
+
+/**
+ * apply_to_qlist(): using QMP queries QEMU for a list of
+ * machines and devices available, and sets the respective node
+ * as true. If a node is found, also all its produced and contained
+ * child are marked available.
+ *
+ * See qos_graph_node_set_availability() for more info
+ */
+void apply_to_qlist(QList *list, bool is_machine)
+{
+ const QListEntry *p;
+ const char *name;
+ bool abstract;
+ QDict *minfo;
+ QObject *qobj;
+ QString *qstr;
+ QBool *qbool;
+
+ for (p = qlist_first(list); p; p = qlist_next(p)) {
+ minfo = qobject_to(QDict, qlist_entry_obj(p));
+ qobj = qdict_get(minfo, "name");
+ qstr = qobject_to(QString, qobj);
+ name = qstring_get_str(qstr);
+
+ qobj = qdict_get(minfo, "abstract");
+ if (qobj) {
+ qbool = qobject_to(QBool, qobj);
+ abstract = qbool_get_bool(qbool);
+ } else {
+ abstract = false;
+ }
+
+ apply_to_node(name, is_machine, abstract);
+ qobj = qdict_get(minfo, "alias");
+ if (qobj) {
+ qstr = qobject_to(QString, qobj);
+ name = qstring_get_str(qstr);
+ apply_to_node(name, is_machine, abstract);
+ }
+ }
+}
+
+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;
+ }
+ }
+}
+
diff --git a/tests/qtest/libqos/qos_external.h
b/tests/qtest/libqos/qos_external.h
new file mode 100644
index 0000000000..7b44930c55
--- /dev/null
+++ b/tests/qtest/libqos/qos_external.h
@@ -0,0 +1,28 @@
+/*
+ * libqos driver framework
+ *
+ * Copyright (c) 2018 Emanuele Giuseppe Esposito <address@hidden>
+ *
+ * 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 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/>
+ */
+
+#ifndef QOS_EXTERNAL_H
+#define QOS_EXTERNAL_H
+#include "libqos/qgraph.h"
+
+void apply_to_node(const char *name, bool is_machine, bool is_abstract);
+void apply_to_qlist(QList *list, bool is_machine);
+QGuestAllocator *get_machine_allocator(QOSGraphObject *obj);
+void *allocate_objects(QTestState *qts, char **path, QGuestAllocator
**p_alloc);
+
+#endif
diff --git a/tests/qtest/qos-test.c b/tests/qtest/qos-test.c
index fd70d73ea5..ad193f43a5 100644
--- a/tests/qtest/qos-test.c
+++ b/tests/qtest/qos-test.c
@@ -27,65 +27,11 @@
#include "libqos/malloc.h"
#include "libqos/qgraph.h"
#include "libqos/qgraph_internal.h"
+#include "libqos/qos_external.h"
static char *old_path;
-static void apply_to_node(const char *name, bool is_machine, bool is_abstract)
-{
- char *machine_name = NULL;
- if (is_machine) {
- const char *arch = qtest_get_arch();
- machine_name = g_strconcat(arch, "/", name, NULL);
- name = machine_name;
- }
- qos_graph_node_set_availability(name, true);
- if (is_abstract) {
- qos_delete_cmd_line(name);
- }
- g_free(machine_name);
-}
-/**
- * apply_to_qlist(): using QMP queries QEMU for a list of
- * machines and devices available, and sets the respective node
- * as true. If a node is found, also all its produced and contained
- * child are marked available.
- *
- * See qos_graph_node_set_availability() for more info
- */
-static void apply_to_qlist(QList *list, bool is_machine)
-{
- const QListEntry *p;
- const char *name;
- bool abstract;
- QDict *minfo;
- QObject *qobj;
- QString *qstr;
- QBool *qbool;
-
- for (p = qlist_first(list); p; p = qlist_next(p)) {
- minfo = qobject_to(QDict, qlist_entry_obj(p));
- qobj = qdict_get(minfo, "name");
- qstr = qobject_to(QString, qobj);
- name = qstring_get_str(qstr);
-
- qobj = qdict_get(minfo, "abstract");
- if (qobj) {
- qbool = qobject_to(QBool, qobj);
- abstract = qbool_get_bool(qbool);
- } else {
- abstract = false;
- }
-
- apply_to_node(name, is_machine, abstract);
- qobj = qdict_get(minfo, "alias");
- if (qobj) {
- qstr = qobject_to(QString, qobj);
- name = qstring_get_str(qstr);
- apply_to_node(name, is_machine, abstract);
- }
- }
-}
/**
* qos_set_machines_devices_available(): sets availability of qgraph
@@ -129,10 +75,6 @@ static void qos_set_machines_devices_available(void)
qobject_unref(response);
}
-static QGuestAllocator *get_machine_allocator(QOSGraphObject *obj)
-{
- return obj->get_driver(obj, "memory");
-}
static void restart_qemu_or_continue(char *path)
{
@@ -159,78 +101,6 @@ void qos_invalidate_command_line(void)
old_path = NULL;
}
-/**
- * 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.
- */
-static 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;
- }
- }
-}
/* The argument to run_one_test, which is the test function that is registered
* with GTest, is a vector of strings. The first item is the initial command
--
2.23.0
- [PATCH v7 02/20] module: check module wasn't already initialized, (continued)
- [PATCH v7 02/20] module: check module wasn't already initialized, Bulekov, Alexander, 2020/01/20
- [PATCH v7 03/20] fuzz: add FUZZ_TARGET module type, Bulekov, Alexander, 2020/01/20
- [PATCH v7 04/20] qtest: add qtest_server_send abstraction, Bulekov, Alexander, 2020/01/20
- [PATCH v7 06/20] libqtest: make bufwrite rely on the TransportOps, Bulekov, Alexander, 2020/01/20
- [PATCH v7 05/20] libqtest: add a layer of abstraction to send/recv, Bulekov, Alexander, 2020/01/20
- [PATCH v7 06/20] module: check module wasn't already initialized, Bulekov, Alexander, 2020/01/20
- [PATCH v7 07/20] qtest: add in-process incoming command handler, Bulekov, Alexander, 2020/01/20
- [PATCH v7 08/20] libqos: rename i2c_send and i2c_recv, Bulekov, Alexander, 2020/01/20
- [PATCH v7 08/20] libqos: split qos-test and libqos makefile vars, Bulekov, Alexander, 2020/01/20
- [PATCH v7 09/20] libqos: split qos-test and libqos makefile vars, Bulekov, Alexander, 2020/01/20
- [PATCH v7 09/20] libqos: move useful qos-test funcs to qos_external,
Bulekov, Alexander <=
- [PATCH v7 10/20] libqtest: make bufwrite rely on the TransportOps, Bulekov, Alexander, 2020/01/20
- [PATCH v7 10/20] libqos: move useful qos-test funcs to qos_external, Bulekov, Alexander, 2020/01/20
- [PATCH v7 11/20] fuzz: add fuzzer skeleton, Bulekov, Alexander, 2020/01/20
- [PATCH v7 12/20] exec: keep ram block across fork when using qtest, Bulekov, Alexander, 2020/01/20
- [PATCH v7 13/20] fuzz: support for fork-based fuzzing., Bulekov, Alexander, 2020/01/20
- [PATCH v7 14/20] fuzz: add support for qos-assisted fuzz targets, Bulekov, Alexander, 2020/01/20
- [PATCH v7 15/20] fuzz: add target/fuzz makefile rules, Bulekov, Alexander, 2020/01/20
- [PATCH v7 17/20] fuzz: add documentation to docs/devel/, Bulekov, Alexander, 2020/01/20
- [PATCH v7 16/20] fuzz: add configure flag --enable-fuzzing, Bulekov, Alexander, 2020/01/20