From patchwork Fri Jan 10 09:04:32 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bibo Mao X-Patchwork-Id: 13934003 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 471C0E77188 for ; Fri, 10 Jan 2025 09:05:32 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tWAxA-0001yy-7i; Fri, 10 Jan 2025 04:05:17 -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 1tWAwm-0001fW-V5 for qemu-devel@nongnu.org; Fri, 10 Jan 2025 04:04:55 -0500 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tWAwi-0005Nx-Gd for qemu-devel@nongnu.org; Fri, 10 Jan 2025 04:04:52 -0500 Received: from loongson.cn (unknown [10.2.5.213]) by gateway (Coremail) with SMTP id _____8BxuuCl4oBn0g9hAA--.61126S3; Fri, 10 Jan 2025 17:04:37 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.213]) by front1 (Coremail) with SMTP id qMiowMDx7sWk4oBn718cAA--.42742S2; Fri, 10 Jan 2025 17:04:37 +0800 (CST) From: Bibo Mao To: Song Gao Cc: Jiaxun Yang , qemu-devel@nongnu.org Subject: [PATCH 0/4] hw/intc/loongarch_extioi: CPU irq routing enhancement Date: Fri, 10 Jan 2025 17:04:32 +0800 Message-Id: <20250110090436.2831690-1-maobibo@loongson.cn> X-Mailer: git-send-email 2.39.3 MIME-Version: 1.0 X-CM-TRANSID: qMiowMDx7sWk4oBn718cAA--.42742S2 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 LoongArch extioi can send intterrupt to multiple CPUs, physical cpu id is used to route interrupt for CPUs. With cpu hotplug feature in future, notification for extioi interrupt controller is required. Here cpu hotplug interface is added on extioi class, so that gpio irq line is connected to cpu irq line, and irq routing can be setup. Bibo Mao (4): hw/intc/loongarch_extioi: Move gpio irq initial to common code hw/intc/loongarch_extioi: Add basic hotplug framework hw/intc/loongarch_extioi: Implment cpu hotplug interface hw/intc/loongarch_extioi: Use cpu plug notification hw/intc/loongarch_extioi.c | 8 +-- hw/intc/loongarch_extioi_common.c | 84 ++++++++++++++++++++++++++++++- hw/loongarch/virt.c | 12 ++--- 3 files changed, 87 insertions(+), 17 deletions(-) base-commit: bc6afa1c711da5b4f37c9685a812c77b114d84cb