From patchwork Mon Feb 10 09:36:32 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: bibo mao X-Patchwork-Id: 13967556 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CC729C0219D for ; Mon, 10 Feb 2025 09:37:47 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1thQDh-0003wK-B8; Mon, 10 Feb 2025 04:36:49 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1thQDb-0003v3-Up for qemu-devel@nongnu.org; Mon, 10 Feb 2025 04:36:45 -0500 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1thQDY-0001xK-Ge for qemu-devel@nongnu.org; Mon, 10 Feb 2025 04:36:43 -0500 Received: from loongson.cn (unknown [10.2.5.213]) by gateway (Coremail) with SMTP id _____8CxvOKkyKlnoBtxAA--.205S3; Mon, 10 Feb 2025 17:36:36 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.213]) by front1 (Coremail) with SMTP id qMiowMBxn8WgyKlnqwUKAA--.39266S9; Mon, 10 Feb 2025 17:36:35 +0800 (CST) From: Bibo Mao To: Song Gao Cc: Jiaxun Yang , qemu-devel@nongnu.org Subject: [PATCH v2 7/7] hw/intc/loongarch_extioi: Use cpu plug notification Date: Mon, 10 Feb 2025 17:36:32 +0800 Message-Id: <20250210093632.3274012-8-maobibo@loongson.cn> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20250210093632.3274012-1-maobibo@loongson.cn> References: <20250210093632.3274012-1-maobibo@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: qMiowMBxn8WgyKlnqwUKAA--.39266S9 X-CM-SenderInfo: xpdruxter6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== Received-SPF: pass client-ip=114.242.206.163; envelope-from=maobibo@loongson.cn; helo=mail.loongson.cn X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Use hotplug_handler_plug() to nofity extioi object when cold-plug cpu is created, so that extioi can set and configure irq routing to new cpu. Signed-off-by: Bibo Mao --- hw/loongarch/virt.c | 12 ++---------- 1 file changed, 2 insertions(+), 10 deletions(-) diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c index ad1467c6f8..355be14ccc 100644 --- a/hw/loongarch/virt.c +++ b/hw/loongarch/virt.c @@ -320,7 +320,7 @@ static void virt_devices_init(DeviceState *pch_pic, static void virt_cpu_irq_init(LoongArchVirtMachineState *lvms) { - int num, pin; + int num; MachineState *ms = MACHINE(lvms); MachineClass *mc = MACHINE_GET_CLASS(ms); const CPUArchIdList *possible_cpus; @@ -336,15 +336,7 @@ static void virt_cpu_irq_init(LoongArchVirtMachineState *lvms) } hotplug_handler_plug(HOTPLUG_HANDLER(lvms->ipi), DEVICE(cs), &err); - - /* - * connect ext irq to the cpu irq - * cpu_pin[9:2] <= intc_pin[7:0] - */ - for (pin = 0; pin < LS3A_INTC_IP; pin++) { - qdev_connect_gpio_out(lvms->extioi, (num * LS3A_INTC_IP + pin), - qdev_get_gpio_in(DEVICE(cs), pin + 2)); - } + hotplug_handler_plug(HOTPLUG_HANDLER(lvms->extioi), DEVICE(cs), &err); } }