From patchwork Thu Oct 16 04:44:16 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tang Chen X-Patchwork-Id: 400132 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id B8F7C1400D6 for ; Thu, 16 Oct 2014 15:47:43 +1100 (AEDT) Received: from localhost ([::1]:48182 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XecyT-0005oC-UT for incoming@patchwork.ozlabs.org; Thu, 16 Oct 2014 00:47:41 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54060) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XecvV-0000y0-Kt for qemu-devel@nongnu.org; Thu, 16 Oct 2014 00:44:42 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XecvK-0002IM-VI for qemu-devel@nongnu.org; Thu, 16 Oct 2014 00:44:37 -0400 Received: from [59.151.112.132] (port=44893 helo=heian.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XecvK-0002H0-FI for qemu-devel@nongnu.org; Thu, 16 Oct 2014 00:44:26 -0400 X-IronPort-AV: E=Sophos;i="5.04,729,1406563200"; d="scan'208";a="37416395" Received: from localhost (HELO edo.cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 16 Oct 2014 12:41:16 +0800 Received: from G08CNEXCHPEKD02.g08.fujitsu.local (localhost.localdomain [127.0.0.1]) by edo.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id s9G4iIPs012170; Thu, 16 Oct 2014 12:44:18 +0800 Received: from tangchen.g08.fujitsu.local (10.167.226.71) by G08CNEXCHPEKD02.g08.fujitsu.local (10.167.33.89) with Microsoft SMTP Server (TLS) id 14.3.181.6; Thu, 16 Oct 2014 12:44:20 +0800 From: Tang Chen To: , , , Date: Thu, 16 Oct 2014 12:44:16 +0800 Message-ID: <1413434666-22732-3-git-send-email-tangchen@cn.fujitsu.com> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1413434666-22732-1-git-send-email-tangchen@cn.fujitsu.com> References: <1413434666-22732-1-git-send-email-tangchen@cn.fujitsu.com> MIME-Version: 1.0 X-Originating-IP: [10.167.226.71] X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 59.151.112.132 Cc: hutao@cn.fujitsu.com, isimatu.yasuaki@jp.fujitsu.com, zhugh.fnst@cn.fujitsu.com, tangchen@cn.fujitsu.com Subject: [Qemu-devel] [PATCH v4 02/12] acpi, mem-hotplug: Add acpi_memory_get_slot_status_descriptor() to get MemStatus. X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Add a new API named acpi_memory_get_slot_status_descriptor() to obtain a single memory slot status. Doing this is because this procedure will be used by other functions in the next coming patches. Signed-off-by: Tang Chen --- hw/acpi/memory_hotplug.c | 27 +++++++++++++++++++-------- 1 file changed, 19 insertions(+), 8 deletions(-) diff --git a/hw/acpi/memory_hotplug.c b/hw/acpi/memory_hotplug.c index c6580da..ef56bf6 100644 --- a/hw/acpi/memory_hotplug.c +++ b/hw/acpi/memory_hotplug.c @@ -163,29 +163,40 @@ void acpi_memory_hotplug_init(MemoryRegion *as, Object *owner, memory_region_add_subregion(as, ACPI_MEMORY_HOTPLUG_BASE, &state->io); } -void acpi_memory_plug_cb(ACPIREGS *ar, qemu_irq irq, MemHotplugState *mem_st, - DeviceState *dev, Error **errp) +static MemStatus * +acpi_memory_get_slot_status_descriptor(MemHotplugState *mem_st, + DeviceState *dev, Error **errp) { - MemStatus *mdev; Error *local_err = NULL; int slot = object_property_get_int(OBJECT(dev), PC_DIMM_SLOT_PROP, &local_err); if (local_err) { error_propagate(errp, local_err); - return; + return NULL; } if (slot >= mem_st->dev_count) { char *dev_path = object_get_canonical_path(OBJECT(dev)); - error_setg(errp, "acpi_memory_plug_cb: " + error_setg(errp, "acpi_memory_get_slot_status_descriptor: " "device [%s] returned invalid memory slot[%d]", - dev_path, slot); + dev_path, slot); g_free(dev_path); - return; + return NULL; } - mdev = &mem_st->devs[slot]; + return &mem_st->devs[slot]; +} + +void acpi_memory_plug_cb(ACPIREGS *ar, qemu_irq irq, MemHotplugState *mem_st, + DeviceState *dev, Error **errp) +{ + MemStatus *mdev; + + mdev = acpi_memory_get_slot_status_descriptor(mem_st, dev, errp); + if (!mdev) + return; + mdev->dimm = dev; mdev->is_enabled = true; mdev->is_inserting = true;