From mboxrd@z Thu Jan 1 00:00:00 1970 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 324A3C433EF for ; Thu, 30 Sep 2021 12:57:25 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id EF3656124B for ; Thu, 30 Sep 2021 12:57:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org EF3656124B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=rAaasakPLLq82XSNYeGpIXiHJdlxG6lrqT8ozs2q7LI=; b=HG6tbO6yfhYHMS hZ8xI26EzLIcUjSv2d5aH3TUT9nn8jshHhniqQTRDYdMPNy42RsXaui9LMQQkJJcbkoek4LCBExIJ FTiVC6omEKVMT8RpInrZCxHwFXbu7tNcMdRZ6oEcZ//IlH3l487kVIZPipoCKDG0NRhP6qLU8+xNq ufIP9nfYJN5jhOsY+4FkIfH0VSWyRCHaiElPMSOZsYEsQ46Kt6sgi2ehynmY1qYSe2lz+ofbxKq0H FTwrNfEmY2ViWUvkQqzomGr1bX4mrC5s+Pq0Z5BLHl58n5R7JHeqcpIL7jNlz1WBDuFKuq9vY1Evq o8EbS9yo8CpwjLCXY0WA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mVvcP-00EJoL-9o; Thu, 30 Sep 2021 12:56:57 +0000 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mVvcF-00EJj4-GW for linux-nvme@lists.infradead.org; Thu, 30 Sep 2021 12:56:48 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1633006606; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=f6EPpWJMM1oEudtfCAFWs0O0JIxg1Z+CB9nptxSUO/I=; b=HmuMJIt195wSJaqDCcnzxFqPnUZgBB8LyUMivxFgkZFewJlKA1Emd3RxxJahGjlNgvdKTv mmwoy3ltFjG7W+7tYnIWGD48ZTh4JwjbRs/2qN3FkBrHaL0eZ+GgWTQS1LihtPfX08MJQ+ dBB7qKoaLKD20XNCYfJCBgCFaB1l/BI= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-306-wZb5arZYNqu_9zk9FQAF8A-1; Thu, 30 Sep 2021 08:56:45 -0400 X-MC-Unique: wZb5arZYNqu_9zk9FQAF8A-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 1D48B8145EE; Thu, 30 Sep 2021 12:56:44 +0000 (UTC) Received: from localhost (ovpn-8-17.pek2.redhat.com [10.72.8.17]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4D7E380940; Thu, 30 Sep 2021 12:56:42 +0000 (UTC) From: Ming Lei To: Jens Axboe , Christoph Hellwig , linux-block@vger.kernel.org, linux-nvme@lists.infradead.org Cc: Sagi Grimberg , Keith Busch , Ming Lei Subject: [PATCH V2 1/5] nvme: add APIs for stopping/starting admin queue Date: Thu, 30 Sep 2021 20:56:17 +0800 Message-Id: <20210930125621.1161726-2-ming.lei@redhat.com> In-Reply-To: <20210930125621.1161726-1-ming.lei@redhat.com> References: <20210930125621.1161726-1-ming.lei@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210930_055647_650075_89AE2072 X-CRM114-Status: GOOD ( 12.43 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org Add two APIs for stopping and starting admin queue. Signed-off-by: Ming Lei --- drivers/nvme/host/core.c | 12 ++++++++++++ drivers/nvme/host/nvme.h | 2 ++ 2 files changed, 14 insertions(+) diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 7fa75433c036..c675eef70a63 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -4563,6 +4563,18 @@ void nvme_start_queues(struct nvme_ctrl *ctrl) } EXPORT_SYMBOL_GPL(nvme_start_queues); +void nvme_stop_admin_queue(struct nvme_ctrl *ctrl) +{ + blk_mq_quiesce_queue(ctrl->admin_q); +} +EXPORT_SYMBOL_GPL(nvme_stop_admin_queue); + +void nvme_start_admin_queue(struct nvme_ctrl *ctrl) +{ + blk_mq_unquiesce_queue(ctrl->admin_q); +} +EXPORT_SYMBOL_GPL(nvme_start_admin_queue); + void nvme_sync_io_queues(struct nvme_ctrl *ctrl) { struct nvme_ns *ns; diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 9871c0c9374c..47877a5f1515 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -659,6 +659,8 @@ void nvme_complete_async_event(struct nvme_ctrl *ctrl, __le16 status, void nvme_stop_queues(struct nvme_ctrl *ctrl); void nvme_start_queues(struct nvme_ctrl *ctrl); +void nvme_stop_admin_queue(struct nvme_ctrl *ctrl); +void nvme_start_admin_queue(struct nvme_ctrl *ctrl); void nvme_kill_queues(struct nvme_ctrl *ctrl); void nvme_sync_queues(struct nvme_ctrl *ctrl); void nvme_sync_io_queues(struct nvme_ctrl *ctrl); -- 2.31.1 _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme