From nobody Tue Feb 10 01:33:07 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1543311634989336.4525097715947; Tue, 27 Nov 2018 01:40:34 -0800 (PST) Received: from localhost ([::1]:40907 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gRZr7-0003hN-Nf for importer@patchew.org; Tue, 27 Nov 2018 04:40:33 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47505) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gRZh8-0003tb-WC for qemu-devel@nongnu.org; Tue, 27 Nov 2018 04:30:21 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gRZh3-0005Bm-1k for qemu-devel@nongnu.org; Tue, 27 Nov 2018 04:30:14 -0500 Received: from mx1.redhat.com ([209.132.183.28]:55968) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gRZh2-0005AS-OQ for qemu-devel@nongnu.org; Tue, 27 Nov 2018 04:30:08 -0500 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id A36643001932; Tue, 27 Nov 2018 09:30:06 +0000 (UTC) Received: from localhost (ovpn-112-28.ams2.redhat.com [10.36.112.28]) by smtp.corp.redhat.com (Postfix) with ESMTP id 27145608C2; Tue, 27 Nov 2018 09:29:59 +0000 (UTC) From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= To: qemu-devel@nongnu.org Date: Tue, 27 Nov 2018 13:27:48 +0400 Message-Id: <20181127092801.21777-16-marcandre.lureau@redhat.com> In-Reply-To: <20181127092801.21777-1-marcandre.lureau@redhat.com> References: <20181127092801.21777-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.47]); Tue, 27 Nov 2018 09:30:06 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH for-3.2 v4 15/28] hw: apply accel compat properties without touching globals X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Stefano Stabellini , "open list:X86" , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Paolo Bonzini , Anthony Perard , imammedo@redhat.com, =?UTF-8?q?Andreas=20F=C3=A4rber?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" Introduce object_apply_global_props() function, to apply compatibility properties from a GPtrArray. For accel compatibility properties, apply them during device_post_init(), after accel_register_compat_props() has set them. To populate the compatibility properties, introduce SET_COMPAT(), a more generic version of SET_MACHINE_COMPAT() that can set compat properties on other objects than Machine, and using GPtrArray. Signed-off-by: Marc-Andr=C3=A9 Lureau --- include/hw/qdev-core.h | 13 +++++++++++++ include/qom/object.h | 3 +++ include/sysemu/accel.h | 4 +--- accel/accel.c | 12 ------------ hw/core/qdev.c | 11 +++++++++++ hw/xen/xen-common.c | 38 +++++++++++++++++++------------------- qom/object.c | 25 +++++++++++++++++++++++++ vl.c | 2 +- 8 files changed, 73 insertions(+), 35 deletions(-) diff --git a/include/hw/qdev-core.h b/include/hw/qdev-core.h index a24d0dd566..82afd3c50d 100644 --- a/include/hw/qdev-core.h +++ b/include/hw/qdev-core.h @@ -267,6 +267,19 @@ typedef struct GlobalProperty { Error **errp; } GlobalProperty; =20 +#define SET_COMPAT(S, COMPAT) \ + do { \ + int i; \ + static GlobalProperty props[] =3D { \ + COMPAT \ + }; \ + for (i =3D 0; i < G_N_ELEMENTS(props); i++) { \ + g_ptr_array_add((S)->compat_props, (void *)&props[i]); \ + } \ + } while (0) + +void accel_register_compat_props(const GPtrArray *props); + /*** Board API. This should go away once we have a machine config file. = ***/ =20 DeviceState *qdev_create(BusState *bus, const char *name); diff --git a/include/qom/object.h b/include/qom/object.h index 0139838b69..5183c587f3 100644 --- a/include/qom/object.h +++ b/include/qom/object.h @@ -676,6 +676,9 @@ Object *object_new_with_propv(const char *typename, Error **errp, va_list vargs); =20 +void object_apply_global_props(Object *obj, const GPtrArray *props, + Error **errp); + /** * object_set_props: * @obj: the object instance to set properties on diff --git a/include/sysemu/accel.h b/include/sysemu/accel.h index 637358f430..f331d128e9 100644 --- a/include/sysemu/accel.h +++ b/include/sysemu/accel.h @@ -49,7 +49,7 @@ typedef struct AccelClass { * global properties may be overridden by machine-type * compat_props or user-provided global properties. */ - GlobalProperty *global_props; + GPtrArray *compat_props; } AccelClass; =20 #define TYPE_ACCEL "accel" @@ -67,8 +67,6 @@ typedef struct AccelClass { extern unsigned long tcg_tb_size; =20 void configure_accelerator(MachineState *ms); -/* Register accelerator specific global properties */ -void accel_register_compat_props(AccelState *accel); /* Called just before os_setup_post (ie just before drop OS privs) */ void accel_setup_post(MachineState *ms); =20 diff --git a/accel/accel.c b/accel/accel.c index 3da26eb90f..6db5d8f4df 100644 --- a/accel/accel.c +++ b/accel/accel.c @@ -119,18 +119,6 @@ void configure_accelerator(MachineState *ms) } } =20 -void accel_register_compat_props(AccelState *accel) -{ - AccelClass *class =3D ACCEL_GET_CLASS(accel); - GlobalProperty *prop =3D class->global_props; - - for (; prop && prop->driver; prop++) { - /* Any compat_props must never cause error */ - prop->errp =3D &error_abort; - qdev_prop_register_global(prop); - } -} - void accel_setup_post(MachineState *ms) { AccelState *accel =3D ms->accelerator; diff --git a/hw/core/qdev.c b/hw/core/qdev.c index 6b3cc55b27..7066d28271 100644 --- a/hw/core/qdev.c +++ b/hw/core/qdev.c @@ -970,8 +970,19 @@ static void device_initfn(Object *obj) QLIST_INIT(&dev->gpios); } =20 +static const GPtrArray *ac_compat_props; + +void accel_register_compat_props(const GPtrArray *props) +{ + ac_compat_props =3D props; +} + static void device_post_init(Object *obj) { + if (ac_compat_props) { + object_apply_global_props(obj, ac_compat_props, &error_abort); + } + qdev_prop_set_globals(DEVICE(obj)); } =20 diff --git a/hw/xen/xen-common.c b/hw/xen/xen-common.c index 6ec14c73ca..4da0292b61 100644 --- a/hw/xen/xen-common.c +++ b/hw/xen/xen-common.c @@ -159,24 +159,22 @@ static int xen_init(MachineState *ms) return 0; } =20 -static GlobalProperty xen_compat_props[] =3D { - { - .driver =3D "migration", - .property =3D "store-global-state", - .value =3D "off", - }, - { - .driver =3D "migration", - .property =3D "send-configuration", - .value =3D "off", - }, - { - .driver =3D "migration", - .property =3D "send-section-footer", - .value =3D "off", - }, - { /* end of list */ }, -}; +#define XEN_COMPAT \ + { \ + .driver =3D "migration", \ + .property =3D "store-global-state", \ + .value =3D "off", \ + }, \ + { \ + .driver =3D "migration", \ + .property =3D "send-configuration", \ + .value =3D "off", \ + }, \ + { \ + .driver =3D "migration", \ + .property =3D "send-section-footer", \ + .value =3D "off", \ + } =20 static void xen_accel_class_init(ObjectClass *oc, void *data) { @@ -185,7 +183,9 @@ static void xen_accel_class_init(ObjectClass *oc, void = *data) ac->init_machine =3D xen_init; ac->setup_post =3D xen_setup_post; ac->allowed =3D &xen_allowed; - ac->global_props =3D xen_compat_props; + ac->compat_props =3D g_ptr_array_new(); + + SET_COMPAT(ac, XEN_COMPAT); } =20 #define TYPE_XEN_ACCEL ACCEL_CLASS_NAME("xen") diff --git a/qom/object.c b/qom/object.c index 17921c0a71..dbdab0aead 100644 --- a/qom/object.c +++ b/qom/object.c @@ -370,6 +370,31 @@ static void object_post_init_with_type(Object *obj, Ty= peImpl *ti) } } =20 +void object_apply_global_props(Object *obj, const GPtrArray *props, Error = **errp) +{ + Error *err =3D NULL; + int i; + + if (!props) { + return; + } + + for (i =3D 0; i < props->len; i++) { + GlobalProperty *p =3D g_ptr_array_index(props, i); + + if (object_dynamic_cast(obj, p->driver) =3D=3D NULL) { + continue; + } + p->used =3D true; + object_property_parse(obj, p->value, p->property, &err); + if (err !=3D NULL) { + error_prepend(&err, "can't apply global %s.%s=3D%s: ", + p->driver, p->property, p->value); + error_propagate(errp, err); + } + } +} + static void object_initialize_with_type(void *data, size_t size, TypeImpl = *type) { Object *obj =3D data; diff --git a/vl.c b/vl.c index fa25d1ae2d..c06e94271c 100644 --- a/vl.c +++ b/vl.c @@ -2963,7 +2963,7 @@ static void user_register_global_props(void) */ static void register_global_properties(MachineState *ms) { - accel_register_compat_props(ms->accelerator); + accel_register_compat_props(ACCEL_GET_CLASS(ms->accelerator)->compat_p= rops); machine_register_compat_props(ms); user_register_global_props(); } --=20 2.20.0.rc1