From patchwork Thu Dec 19 08:07:52 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bibo Mao X-Patchwork-Id: 13914754 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 1C890E7718A for ; Thu, 19 Dec 2024 08:08:47 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tOBZm-0007KR-JI; Thu, 19 Dec 2024 03:08:06 -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 1tOBZl-0007Je-8l for qemu-devel@nongnu.org; Thu, 19 Dec 2024 03:08:05 -0500 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tOBZh-0007vM-Ta for qemu-devel@nongnu.org; Thu, 19 Dec 2024 03:08:05 -0500 Received: from loongson.cn (unknown [10.2.5.213]) by gateway (Coremail) with SMTP id _____8Dx2uFe1GNnCHpYAA--.45130S3; Thu, 19 Dec 2024 16:07:58 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.213]) by front1 (Coremail) with SMTP id qMiowMBx38da1GNnCCwCAA--.13753S4; Thu, 19 Dec 2024 16:07:56 +0800 (CST) From: Bibo Mao To: Stefan Hajnoczi Cc: qemu-devel@nongnu.org, Song Gao Subject: [PULL 17/18] hw/intc/loongarch_extioi: Add pre_save interface Date: Thu, 19 Dec 2024 16:07:52 +0800 Message-Id: <20241219080753.3164733-3-maobibo@loongson.cn> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20241219080753.3164733-1-maobibo@loongson.cn> References: <20241219075502.3164644-1-maobibo@loongson.cn> <20241219080753.3164733-1-maobibo@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: qMiowMBx38da1GNnCCwCAA--.13753S4 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 Add vmstate pre_save interface, which can be used extioi kvm driver in future. Signed-off-by: Bibo Mao Reviewed-by: Song Gao --- hw/intc/loongarch_extioi_common.c | 13 +++++++++++++ include/hw/intc/loongarch_extioi_common.h | 1 + 2 files changed, 14 insertions(+) diff --git a/hw/intc/loongarch_extioi_common.c b/hw/intc/loongarch_extioi_common.c index 428d105f78..e50431f124 100644 --- a/hw/intc/loongarch_extioi_common.c +++ b/hw/intc/loongarch_extioi_common.c @@ -20,6 +20,18 @@ static void loongarch_extioi_common_realize(DeviceState *dev, Error **errp) } } +static int loongarch_extioi_common_pre_save(void *opaque) +{ + LoongArchExtIOICommonState *s = (LoongArchExtIOICommonState *)opaque; + LoongArchExtIOICommonClass *lecc = LOONGARCH_EXTIOI_COMMON_GET_CLASS(s); + + if (lecc->pre_save) { + return lecc->pre_save(s); + } + + return 0; +} + static int loongarch_extioi_common_post_load(void *opaque, int version_id) { LoongArchExtIOICommonState *s = (LoongArchExtIOICommonState *)opaque; @@ -46,6 +58,7 @@ static const VMStateDescription vmstate_loongarch_extioi = { .name = "loongarch.extioi", .version_id = 3, .minimum_version_id = 3, + .pre_save = loongarch_extioi_common_pre_save, .post_load = loongarch_extioi_common_post_load, .fields = (const VMStateField[]) { VMSTATE_UINT32_ARRAY(bounce, LoongArchExtIOICommonState, diff --git a/include/hw/intc/loongarch_extioi_common.h b/include/hw/intc/loongarch_extioi_common.h index d45caa45f2..f6bc778a85 100644 --- a/include/hw/intc/loongarch_extioi_common.h +++ b/include/hw/intc/loongarch_extioi_common.h @@ -92,6 +92,7 @@ struct LoongArchExtIOICommonClass { SysBusDeviceClass parent_class; DeviceRealize parent_realize; + int (*pre_save)(void *s); int (*post_load)(void *s, int version_id); }; #endif /* LOONGARCH_EXTIOI_H */