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Merge remote-tracking branch 'remotes/afaerber/tags/qom-cpu-for-peter…
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…' into staging

QOM CPUState and X86CPU

* QTest for PC X86CPU
* Confinement of ICC bridge X86CPU parenting to PC code

# gpg: Signature made Tue Mar 17 15:23:31 2015 GMT using RSA key ID 3E7E013F
# gpg: Good signature from "Andreas Färber <afaerber@suse.de>"
# gpg:                 aka "Andreas Färber <afaerber@suse.com>"

* remotes/afaerber/tags/qom-cpu-for-peter:
  target-i386: Remove icc_bridge parameter from cpu_x86_create()
  tests: Add PC CPU test
  pc: Suppress APIC ID compatibility warning for QTest

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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pm215 committed Mar 17, 2015
2 parents 1a87e52 + e1570d0 commit ac738ea
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Showing 5 changed files with 166 additions and 19 deletions.
19 changes: 14 additions & 5 deletions hw/i386/pc.c
Expand Up @@ -45,6 +45,7 @@
#include "sysemu/sysemu.h"
#include "sysemu/numa.h"
#include "sysemu/kvm.h"
#include "sysemu/qtest.h"
#include "kvm_i386.h"
#include "hw/xen/xen.h"
#include "sysemu/block-backend.h"
Expand Down Expand Up @@ -653,7 +654,7 @@ static uint32_t x86_cpu_apic_id_from_index(unsigned int cpu_index)

correct_id = x86_apicid_from_cpu_idx(smp_cores, smp_threads, cpu_index);
if (compat_apic_id_mode) {
if (cpu_index != correct_id && !warned) {
if (cpu_index != correct_id && !warned && !qtest_enabled()) {
error_report("APIC IDs set in compatibility mode, "
"CPU topology won't match the configuration");
warned = true;
Expand Down Expand Up @@ -992,18 +993,26 @@ void pc_acpi_smi_interrupt(void *opaque, int irq, int level)
static X86CPU *pc_new_cpu(const char *cpu_model, int64_t apic_id,
DeviceState *icc_bridge, Error **errp)
{
X86CPU *cpu;
X86CPU *cpu = NULL;
Error *local_err = NULL;

cpu = cpu_x86_create(cpu_model, icc_bridge, &local_err);
if (icc_bridge == NULL) {
error_setg(&local_err, "Invalid icc-bridge value");
goto out;
}

cpu = cpu_x86_create(cpu_model, &local_err);
if (local_err != NULL) {
error_propagate(errp, local_err);
return NULL;
goto out;
}

qdev_set_parent_bus(DEVICE(cpu), qdev_get_child_bus(icc_bridge, "icc"));
object_unref(OBJECT(cpu));

object_property_set_int(OBJECT(cpu), apic_id, "apic-id", &local_err);
object_property_set_bool(OBJECT(cpu), true, "realized", &local_err);

out:
if (local_err) {
error_propagate(errp, local_err);
object_unref(OBJECT(cpu));
Expand Down
14 changes: 2 additions & 12 deletions target-i386/cpu.c
Expand Up @@ -2076,8 +2076,7 @@ static void x86_cpu_load_def(X86CPU *cpu, X86CPUDefinition *def, Error **errp)

}

X86CPU *cpu_x86_create(const char *cpu_model, DeviceState *icc_bridge,
Error **errp)
X86CPU *cpu_x86_create(const char *cpu_model, Error **errp)
{
X86CPU *cpu = NULL;
X86CPUClass *xcc;
Expand Down Expand Up @@ -2108,15 +2107,6 @@ X86CPU *cpu_x86_create(const char *cpu_model, DeviceState *icc_bridge,

cpu = X86_CPU(object_new(object_class_get_name(oc)));

#ifndef CONFIG_USER_ONLY
if (icc_bridge == NULL) {
error_setg(&error, "Invalid icc-bridge value");
goto out;
}
qdev_set_parent_bus(DEVICE(cpu), qdev_get_child_bus(icc_bridge, "icc"));
object_unref(OBJECT(cpu));
#endif

x86_cpu_parse_featurestr(CPU(cpu), features, &error);
if (error) {
goto out;
Expand All @@ -2139,7 +2129,7 @@ X86CPU *cpu_x86_init(const char *cpu_model)
Error *error = NULL;
X86CPU *cpu;

cpu = cpu_x86_create(cpu_model, NULL, &error);
cpu = cpu_x86_create(cpu_model, &error);
if (error) {
goto out;
}
Expand Down
3 changes: 1 addition & 2 deletions target-i386/cpu.h
Expand Up @@ -982,8 +982,7 @@ typedef struct CPUX86State {
#include "cpu-qom.h"

X86CPU *cpu_x86_init(const char *cpu_model);
X86CPU *cpu_x86_create(const char *cpu_model, DeviceState *icc_bridge,
Error **errp);
X86CPU *cpu_x86_create(const char *cpu_model, Error **errp);
int cpu_x86_exec(CPUX86State *s);
void x86_cpu_list(FILE *f, fprintf_function cpu_fprintf);
void x86_cpudef_setup(void);
Expand Down
2 changes: 2 additions & 0 deletions tests/Makefile
Expand Up @@ -173,6 +173,7 @@ gcov-files-i386-y += hw/usb/dev-hid.c
gcov-files-i386-y += hw/usb/dev-storage.c
check-qtest-i386-y += tests/usb-hcd-xhci-test$(EXESUF)
gcov-files-i386-y += hw/usb/hcd-xhci.c
check-qtest-i386-y += tests/pc-cpu-test$(EXESUF)
check-qtest-i386-$(CONFIG_LINUX) += tests/vhost-user-test$(EXESUF)
check-qtest-x86_64-y = $(check-qtest-i386-y)
gcov-files-i386-y += i386-softmmu/hw/timer/mc146818rtc.c
Expand Down Expand Up @@ -363,6 +364,7 @@ tests/usb-hcd-ohci-test$(EXESUF): tests/usb-hcd-ohci-test.o $(libqos-usb-obj-y)
tests/usb-hcd-uhci-test$(EXESUF): tests/usb-hcd-uhci-test.o $(libqos-usb-obj-y)
tests/usb-hcd-ehci-test$(EXESUF): tests/usb-hcd-ehci-test.o $(libqos-usb-obj-y)
tests/usb-hcd-xhci-test$(EXESUF): tests/usb-hcd-xhci-test.o $(libqos-usb-obj-y)
tests/pc-cpu-test$(EXESUF): tests/pc-cpu-test.o
tests/vhost-user-test$(EXESUF): tests/vhost-user-test.o qemu-char.o qemu-timer.o $(qtest-obj-y)
tests/qemu-iotests/socket_scm_helper$(EXESUF): tests/qemu-iotests/socket_scm_helper.o
tests/test-qemu-opts$(EXESUF): tests/test-qemu-opts.o libqemuutil.a libqemustub.a
Expand Down
147 changes: 147 additions & 0 deletions tests/pc-cpu-test.c
@@ -0,0 +1,147 @@
/*
* QTest testcase for PC CPUs
*
* Copyright (c) 2015 SUSE Linux GmbH
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/

#include <glib.h>
#include <string.h>

#include "qemu-common.h"
#include "libqtest.h"
#include "qemu/osdep.h"
#include "qapi/qmp/types.h"

struct PCTestData {
const char *machine;
const char *cpu_model;
unsigned sockets;
unsigned cores;
unsigned threads;
unsigned maxcpus;
};
typedef struct PCTestData PCTestData;

static void test_pc_with_cpu_add(gconstpointer data)
{
const PCTestData *s = data;
char *args;
QDict *response;
unsigned int i;

args = g_strdup_printf("-machine %s -cpu %s "
"-smp sockets=%u,cores=%u,threads=%u,maxcpus=%u",
s->machine, s->cpu_model,
s->sockets, s->cores, s->threads, s->maxcpus);
qtest_start(args);

for (i = s->sockets * s->cores * s->threads; i < s->maxcpus; i++) {
response = qmp("{ 'execute': 'cpu-add',"
" 'arguments': { 'id': %d } }", i);
g_assert(response);
g_assert(!qdict_haskey(response, "error"));
QDECREF(response);
}

qtest_end();
g_free(args);
}

static void test_pc_without_cpu_add(gconstpointer data)
{
const PCTestData *s = data;
char *args;
QDict *response;

args = g_strdup_printf("-machine %s -cpu %s "
"-smp sockets=%u,cores=%u,threads=%u,maxcpus=%u",
s->machine, s->cpu_model,
s->sockets, s->cores, s->threads, s->maxcpus);
qtest_start(args);

response = qmp("{ 'execute': 'cpu-add',"
" 'arguments': { 'id': %d } }",
s->sockets * s->cores * s->threads);
g_assert(response);
g_assert(qdict_haskey(response, "error"));
QDECREF(response);

qtest_end();
g_free(args);
}

static void add_pc_test_cases(void)
{
const char *arch = qtest_get_arch();
QDict *response, *minfo;
QList *list;
const QListEntry *p;
QObject *qobj;
QString *qstr;
const char *mname, *path;
PCTestData *data;

qtest_start("-machine none");
response = qmp("{ 'execute': 'query-machines' }");
g_assert(response);
list = qdict_get_qlist(response, "return");
g_assert(list);

for (p = qlist_first(list); p; p = qlist_next(p)) {
minfo = qobject_to_qdict(qlist_entry_obj(p));
g_assert(minfo);
qobj = qdict_get(minfo, "name");
g_assert(qobj);
qstr = qobject_to_qstring(qobj);
g_assert(qstr);
mname = qstring_get_str(qstr);
if (!g_str_has_prefix(mname, "pc-")) {
continue;
}
data = g_malloc(sizeof(PCTestData));
data->machine = mname;
data->cpu_model = "Haswell"; /* 1.3+ theoretically */
data->sockets = 1;
data->cores = 3;
data->threads = 2;
data->maxcpus = data->sockets * data->cores * data->threads * 2;
if (g_str_has_suffix(mname, "-1.4") ||
(strcmp(mname, "pc-1.3") == 0) ||
(strcmp(mname, "pc-1.2") == 0) ||
(strcmp(mname, "pc-1.1") == 0) ||
(strcmp(mname, "pc-1.0") == 0) ||
(strcmp(mname, "pc-0.15") == 0) ||
(strcmp(mname, "pc-0.14") == 0) ||
(strcmp(mname, "pc-0.13") == 0) ||
(strcmp(mname, "pc-0.12") == 0) ||
(strcmp(mname, "pc-0.11") == 0) ||
(strcmp(mname, "pc-0.10") == 0)) {
path = g_strdup_printf("/%s/cpu/%s/init/%ux%ux%u&maxcpus=%u",
arch, mname, data->sockets, data->cores,
data->threads, data->maxcpus);
g_test_add_data_func(path, data, test_pc_without_cpu_add);
} else {
path = g_strdup_printf("/%s/cpu/%s/add/%ux%ux%u&maxcpus=%u",
arch, mname, data->sockets, data->cores,
data->threads, data->maxcpus);
g_test_add_data_func(path, data, test_pc_with_cpu_add);
}
}
qtest_end();
}

int main(int argc, char **argv)
{
const char *arch = qtest_get_arch();

g_test_init(&argc, &argv, NULL);

if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
add_pc_test_cases();
}

return g_test_run();
}

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