From patchwork Fri Jan 4 17:30:15 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= X-Patchwork-Id: 1020788 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=208.118.235.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 43WWzs1tfcz9s4s for ; Sat, 5 Jan 2019 04:31:35 +1100 (AEDT) Received: from localhost ([127.0.0.1]:37365 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gfTJk-0002s3-Pq for incoming@patchwork.ozlabs.org; Fri, 04 Jan 2019 12:31:32 -0500 Received: from eggs.gnu.org ([208.118.235.92]:43698) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gfTJ9-0002rL-0j for qemu-devel@nongnu.org; Fri, 04 Jan 2019 12:30:56 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gfTJ7-0000s2-Rc for qemu-devel@nongnu.org; Fri, 04 Jan 2019 12:30:54 -0500 Received: from mx1.redhat.com ([209.132.183.28]:41680) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gfTJ6-0000r2-DI for qemu-devel@nongnu.org; Fri, 04 Jan 2019 12:30:53 -0500 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 819B8A4049; Fri, 4 Jan 2019 17:30:51 +0000 (UTC) Received: from localhost (ovpn-112-35.ams2.redhat.com [10.36.112.35]) by smtp.corp.redhat.com (Postfix) with ESMTP id EEE8C19C7E; Fri, 4 Jan 2019 17:30:49 +0000 (UTC) From: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= To: qemu-devel@nongnu.org Date: Fri, 4 Jan 2019 21:30:15 +0400 Message-Id: <20190104173042.32714-2-marcandre.lureau@redhat.com> In-Reply-To: <20190104173042.32714-1-marcandre.lureau@redhat.com> References: <20190104173042.32714-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Fri, 04 Jan 2019 17:30:51 +0000 (UTC) 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] [PULL 01/28] 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: peter.maydell@linaro.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Instead of registering compat properties as globals, let's keep them in their own array, to avoid mixing with user globals. Introduce object_apply_global_props() function, to apply compatibility properties from a GPtrArray. Signed-off-by: Marc-André Lureau Reviewed-by: Igor Mammedov Reviewed-by: Cornelia Huck Acked-by: Eduardo Habkost --- include/hw/qdev-core.h | 10 ++++++++++ include/qom/object.h | 3 +++ include/sysemu/accel.h | 4 +--- accel/accel.c | 12 ------------ hw/core/qdev.c | 9 +++++++++ hw/xen/xen-common.c | 9 ++++++--- qom/object.c | 25 +++++++++++++++++++++++++ vl.c | 1 - 8 files changed, 54 insertions(+), 19 deletions(-) diff --git a/include/hw/qdev-core.h b/include/hw/qdev-core.h index 92851e55df..84e612f473 100644 --- a/include/hw/qdev-core.h +++ b/include/hw/qdev-core.h @@ -267,6 +267,16 @@ typedef struct GlobalProperty { Error **errp; } GlobalProperty; +static inline void +compat_props_add(GPtrArray *arr, + GlobalProperty props[], size_t nelem) +{ + int i; + for (i = 0; i < nelem; i++) { + g_ptr_array_add(arr, (void *)&props[i]); + } +} + /*** Board API. This should go away once we have a machine config file. ***/ DeviceState *qdev_create(BusState *bus, const char *name); diff --git a/include/qom/object.h b/include/qom/object.h index bcae3f4951..e0262962b5 100644 --- a/include/qom/object.h +++ b/include/qom/object.h @@ -675,6 +675,9 @@ Object *object_new_with_propv(const char *typename, Error **errp, va_list vargs); +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; #define TYPE_ACCEL "accel" @@ -67,8 +67,6 @@ typedef struct AccelClass { extern unsigned long tcg_tb_size; 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); 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) } } -void accel_register_compat_props(AccelState *accel) -{ - AccelClass *class = ACCEL_GET_CLASS(accel); - GlobalProperty *prop = class->global_props; - - for (; prop && prop->driver; prop++) { - /* Any compat_props must never cause error */ - prop->errp = &error_abort; - qdev_prop_register_global(prop); - } -} - void accel_setup_post(MachineState *ms) { AccelState *accel = ms->accelerator; diff --git a/hw/core/qdev.c b/hw/core/qdev.c index 6b3cc55b27..53b507164f 100644 --- a/hw/core/qdev.c +++ b/hw/core/qdev.c @@ -972,6 +972,15 @@ static void device_initfn(Object *obj) static void device_post_init(Object *obj) { + if (object_dynamic_cast(qdev_get_machine(), TYPE_MACHINE)) { + MachineState *m = MACHINE(qdev_get_machine()); + AccelClass *ac = ACCEL_GET_CLASS(m->accelerator); + + if (ac->compat_props) { + object_apply_global_props(obj, ac->compat_props, &error_abort); + } + } + qdev_prop_set_globals(DEVICE(obj)); } diff --git a/hw/xen/xen-common.c b/hw/xen/xen-common.c index 6ec14c73ca..4532aa8632 100644 --- a/hw/xen/xen-common.c +++ b/hw/xen/xen-common.c @@ -174,18 +174,21 @@ static GlobalProperty xen_compat_props[] = { .driver = "migration", .property = "send-section-footer", .value = "off", - }, - { /* end of list */ }, + } }; static void xen_accel_class_init(ObjectClass *oc, void *data) { AccelClass *ac = ACCEL_CLASS(oc); + ac->name = "Xen"; ac->init_machine = xen_init; ac->setup_post = xen_setup_post; ac->allowed = &xen_allowed; - ac->global_props = xen_compat_props; + ac->compat_props = g_ptr_array_new(); + + compat_props_add(ac->compat_props, + xen_compat_props, G_N_ELEMENTS(xen_compat_props)); } #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, TypeImpl *ti) } } +void object_apply_global_props(Object *obj, const GPtrArray *props, Error **errp) +{ + Error *err = NULL; + int i; + + if (!props) { + return; + } + + for (i = 0; i < props->len; i++) { + GlobalProperty *p = g_ptr_array_index(props, i); + + if (object_dynamic_cast(obj, p->driver) == NULL) { + continue; + } + p->used = true; + object_property_parse(obj, p->value, p->property, &err); + if (err != NULL) { + error_prepend(&err, "can't apply global %s.%s=%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 = data; diff --git a/vl.c b/vl.c index 8353d3c718..f2a20f8148 100644 --- a/vl.c +++ b/vl.c @@ -2997,7 +2997,6 @@ static void user_register_global_props(void) */ static void register_global_properties(MachineState *ms) { - accel_register_compat_props(ms->accelerator); machine_register_compat_props(ms); user_register_global_props(); }