- Move qtest accel code to accel/qtest.c, get rid of AccelClass->available

- Test TCG interpreter in gitlab-ci
 - Small improvements to the configure script
 - Use object_initialize_child in hw/pci-host
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Merge remote-tracking branch 'remotes/huth-gitlab/tags/pull-request-2019-05-02' into staging

- Move qtest accel code to accel/qtest.c, get rid of AccelClass->available
- Test TCG interpreter in gitlab-ci
- Small improvements to the configure script
- Use object_initialize_child in hw/pci-host

# gpg: Signature made Thu 02 May 2019 17:07:34 BST
# gpg:                using RSA key 2ED9D774FE702DB5
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* remotes/huth-gitlab/tags/pull-request-2019-05-02:
  hw/pci-host: Use object_initialize_child for correct reference counting
  configure: Relax check for libseccomp
  configure: Remove old *-config-devices.mak.d files when running configure
  configure: Add -Wno-typedef-redefinition to CFLAGS (for Clang)
  accel: Remove unused AccelClass::available field
  qtest: Don't compile qtest accel on non-POSIX systems
  qtest: Move accel code to accel/qtest.c
  gitlab-ci.yml: Test the TCG interpreter in a CI pipeline

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

.gitlab-ci.yml

@@ -71,3 +71,18 @@ build-clang:
                      ppc-softmmu s390x-softmmu x86_64-softmmu arm-linux-user"
  - make -j2
  - make -j2 check
+
+build-tci:
+ script:
+ - TARGETS="aarch64 alpha arm hppa m68k microblaze moxie ppc64 s390x x86_64"
+ - ./configure --enable-tcg-interpreter
+      --target-list="$(for tg in $TARGETS; do echo -n ${tg}'-softmmu '; done)"
+ - make -j2
+ - make tests/boot-serial-test tests/cdrom-test tests/pxe-test
+ - for tg in $TARGETS ; do
+     export QTEST_QEMU_BINARY="${tg}-softmmu/qemu-system-${tg}" ;
+     ./tests/boot-serial-test || exit 1 ;
+     ./tests/cdrom-test || exit 1 ;
+   done
+ - QTEST_QEMU_BINARY="x86_64-softmmu/qemu-system-x86_64" ./tests/pxe-test
+ - QTEST_QEMU_BINARY="s390x-softmmu/qemu-system-s390x" ./tests/pxe-test -m slow

MAINTAINERS

@@ -2035,6 +2035,7 @@ M: Laurent Vivier <lvivier@redhat.com>
 R: Paolo Bonzini <pbonzini@redhat.com>
 S: Maintained
 F: qtest.c
+F: accel/qtest.c
 F: tests/libqtest.*
 F: tests/libqos/
 F: tests/*-test.c

accel/Makefile.objs

@@ -1,4 +1,5 @@
 obj-$(CONFIG_SOFTMMU) += accel.o
+obj-$(call land,$(CONFIG_SOFTMMU),$(CONFIG_POSIX)) += qtest.o
 obj-$(CONFIG_KVM) += kvm/
 obj-$(CONFIG_TCG) += tcg/
 obj-y += stubs/

accel/accel.c

@@ -107,11 +107,6 @@ void configure_accelerator(MachineState *ms, const char *progname)
         if (!acc) {
             continue;
         }
-        if (acc->available && !acc->available()) {
-            printf("%s not supported for this target\n",
-                   acc->name);
-            continue;
-        }
         ret = accel_init_machine(acc, ms);
         if (ret < 0) {
             init_failed = true;

accel/qtest.c

@@ -0,0 +1,54 @@
+/*
+ * QTest accelerator code
+ *
+ * Copyright IBM, Corp. 2011
+ *
+ * Authors:
+ *  Anthony Liguori   <aliguori@us.ibm.com>
+ *
+ * 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 "qemu/osdep.h"
+#include "qapi/error.h"
+#include "qemu/module.h"
+#include "qemu/option.h"
+#include "qemu/config-file.h"
+#include "sysemu/accel.h"
+#include "sysemu/qtest.h"
+#include "sysemu/cpus.h"
+
+static int qtest_init_accel(MachineState *ms)
+{
+    QemuOpts *opts = qemu_opts_create(qemu_find_opts("icount"), NULL, 0,
+                                      &error_abort);
+    qemu_opt_set(opts, "shift", "0", &error_abort);
+    configure_icount(opts, &error_abort);
+    qemu_opts_del(opts);
+    return 0;
+}
+
+static void qtest_accel_class_init(ObjectClass *oc, void *data)
+{
+    AccelClass *ac = ACCEL_CLASS(oc);
+    ac->name = "QTest";
+    ac->init_machine = qtest_init_accel;
+    ac->allowed = &qtest_allowed;
+}
+
+#define TYPE_QTEST_ACCEL ACCEL_CLASS_NAME("qtest")
+
+static const TypeInfo qtest_accel_type = {
+    .name = TYPE_QTEST_ACCEL,
+    .parent = TYPE_ACCEL,
+    .class_init = qtest_accel_class_init,
+};
+
+static void qtest_type_init(void)
+{
+    type_register_static(&qtest_accel_type);
+}
+
+type_init(qtest_type_init);

configure

@@ -1818,6 +1818,9 @@ EOF
 exit 0
 fi
 
+# Remove old dependency files to make sure that they get properly regenerated
+rm -f *-config-devices.mak.d
+
 if ! has $python; then
   error_exit "Python not found. Use --python=/path/to/python"
 fi
@@ -1908,7 +1911,7 @@ gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_
 gcc_flags="-Wno-missing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
 gcc_flags="-Wendif-labels -Wno-shift-negative-value $gcc_flags"
 gcc_flags="-Wno-initializer-overrides -Wexpansion-to-defined $gcc_flags"
-gcc_flags="-Wno-string-plus-int $gcc_flags"
+gcc_flags="-Wno-string-plus-int -Wno-typedef-redefinition $gcc_flags"
 # Note that we do not add -Werror to gcc_flags here, because that would
 # enable it for all configure tests. If a configure test failed due
 # to -Werror this would just silently disable some features,
@@ -2371,36 +2374,16 @@ fi
 ##########################################
 # libseccomp check
 
-libseccomp_minver="2.2.0"
 if test "$seccomp" != "no" ; then
-    case "$cpu" in
-    i386|x86_64|mips)
-        ;;
-    arm|aarch64)
-        libseccomp_minver="2.2.3"
-        ;;
-    ppc|ppc64|s390x)
-        libseccomp_minver="2.3.0"
-        ;;
-    *)
-        libseccomp_minver=""
-        ;;
-    esac
-
-    if test "$libseccomp_minver" != "" &&
-       $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
+    libseccomp_minver="2.3.0"
+    if $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
         seccomp_cflags="$($pkg_config --cflags libseccomp)"
         seccomp_libs="$($pkg_config --libs libseccomp)"
         seccomp="yes"
     else
         if test "$seccomp" = "yes" ; then
-            if test "$libseccomp_minver" != "" ; then
-                feature_not_found "libseccomp" \
-                    "Install libseccomp devel >= $libseccomp_minver"
-            else
-                feature_not_found "libseccomp" \
-                    "libseccomp is not supported for host cpu $cpu"
-            fi
+            feature_not_found "libseccomp" \
+                 "Install libseccomp devel >= $libseccomp_minver"
         fi
         seccomp="no"
     fi

hw/pci-host/designware.c

@@ -721,8 +721,8 @@ static void designware_pcie_host_init(Object *obj)
     DesignwarePCIEHost *s = DESIGNWARE_PCIE_HOST(obj);
     DesignwarePCIERoot *root = &s->root;
 
-    object_initialize(root, sizeof(*root), TYPE_DESIGNWARE_PCIE_ROOT);
-    object_property_add_child(obj, "root", OBJECT(root), NULL);
+    object_initialize_child(obj, "root",  root, sizeof(*root),
+                            TYPE_DESIGNWARE_PCIE_ROOT, &error_abort, NULL);
     qdev_prop_set_int32(DEVICE(root), "addr", PCI_DEVFN(0, 0));
     qdev_prop_set_bit(DEVICE(root), "multifunction", false);
 }

hw/pci-host/gpex.c

@@ -29,6 +29,7 @@
  * http://www.firmware.org/1275/practice/imap/imap0_9d.pdf
  */
 #include "qemu/osdep.h"
+#include "qapi/error.h"
 #include "hw/hw.h"
 #include "hw/pci-host/gpex.h"
 
@@ -120,8 +121,8 @@ static void gpex_host_initfn(Object *obj)
     GPEXHost *s = GPEX_HOST(obj);
     GPEXRootState *root = &s->gpex_root;
 
-    object_initialize(root, sizeof(*root), TYPE_GPEX_ROOT_DEVICE);
-    object_property_add_child(obj, "gpex_root", OBJECT(root), NULL);
+    object_initialize_child(obj, "gpex_root",  root, sizeof(*root),
+                            TYPE_GPEX_ROOT_DEVICE, &error_abort, NULL);
     qdev_prop_set_int32(DEVICE(root), "addr", PCI_DEVFN(0, 0));
     qdev_prop_set_bit(DEVICE(root), "multifunction", false);
 }

hw/pci-host/q35.c

@@ -216,8 +216,8 @@ static void q35_host_initfn(Object *obj)
     memory_region_init_io(&phb->data_mem, obj, &pci_host_data_le_ops, phb,
                           "pci-conf-data", 4);
 
-    object_initialize(&s->mch, sizeof(s->mch), TYPE_MCH_PCI_DEVICE);
-    object_property_add_child(OBJECT(s), "mch", OBJECT(&s->mch), NULL);
+    object_initialize_child(OBJECT(s), "mch",  &s->mch, sizeof(s->mch),
+                            TYPE_MCH_PCI_DEVICE, &error_abort, NULL);
     qdev_prop_set_int32(DEVICE(&s->mch), "addr", PCI_DEVFN(0, 0));
     qdev_prop_set_bit(DEVICE(&s->mch), "multifunction", false);
     /* mch's object_initialize resets the default value, set it again */

hw/pci-host/xilinx-pcie.c

@@ -149,8 +149,8 @@ static void xilinx_pcie_host_init(Object *obj)
     XilinxPCIEHost *s = XILINX_PCIE_HOST(obj);
     XilinxPCIERoot *root = &s->root;
 
-    object_initialize(root, sizeof(*root), TYPE_XILINX_PCIE_ROOT);
-    object_property_add_child(obj, "root", OBJECT(root), NULL);
+    object_initialize_child(obj, "root",  root, sizeof(*root),
+                            TYPE_XILINX_PCIE_ROOT, &error_abort, NULL);
     qdev_prop_set_int32(DEVICE(root), "addr", PCI_DEVFN(0, 0));
     qdev_prop_set_bit(DEVICE(root), "multifunction", false);
 }

include/sysemu/accel.h

@@ -38,7 +38,6 @@ typedef struct AccelClass {
 
     const char *opt_name;
     const char *name;
-    int (*available)(void);
     int (*init_machine)(MachineState *ms);
     void (*setup_post)(MachineState *ms, AccelState *accel);
     bool *allowed;

include/sysemu/qtest.h

@@ -27,13 +27,4 @@ bool qtest_driver(void);
 
 void qtest_init(const char *qtest_chrdev, const char *qtest_log, Error **errp);
 
-static inline int qtest_available(void)
-{
-#ifdef CONFIG_POSIX
-    return 1;
-#else
-    return 0;
-#endif
-}
-
 #endif

qtest.c

@@ -749,16 +749,6 @@ static void qtest_event(void *opaque, int event)
     }
 }
 
-static int qtest_init_accel(MachineState *ms)
-{
-    QemuOpts *opts = qemu_opts_create(qemu_find_opts("icount"), NULL, 0,
-                                      &error_abort);
-    qemu_opt_set(opts, "shift", "0", &error_abort);
-    configure_icount(opts, &error_abort);
-    qemu_opts_del(opts);
-    return 0;
-}
-
 void qtest_init(const char *qtest_chrdev, const char *qtest_log, Error **errp)
 {
     Chardev *chr;
@@ -791,27 +781,3 @@ bool qtest_driver(void)
 {
     return qtest_chr.chr != NULL;
 }
-
-static void qtest_accel_class_init(ObjectClass *oc, void *data)
-{
-    AccelClass *ac = ACCEL_CLASS(oc);
-    ac->name = "QTest";
-    ac->available = qtest_available;
-    ac->init_machine = qtest_init_accel;
-    ac->allowed = &qtest_allowed;
-}
-
-#define TYPE_QTEST_ACCEL ACCEL_CLASS_NAME("qtest")
-
-static const TypeInfo qtest_accel_type = {
-    .name = TYPE_QTEST_ACCEL,
-    .parent = TYPE_ACCEL,
-    .class_init = qtest_accel_class_init,
-};
-
-static void qtest_type_init(void)
-{
-    type_register_static(&qtest_accel_type);
-}
-
-type_init(qtest_type_init);