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 915E9C433F5 for ; Thu, 30 Sep 2021 12:56:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6DDDE6126A for ; Thu, 30 Sep 2021 12:56:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348710AbhI3M6b (ORCPT ); Thu, 30 Sep 2021 08:58:31 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:52039 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348530AbhI3M6b (ORCPT ); Thu, 30 Sep 2021 08:58:31 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1633006608; 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=VwJbKrndEk1rwqqfh1nZyAvHMDfq7xYMEt7+96sczKFKGW1kNFGj9nkhNF/Zy3dBZZMLaZ 7HJ1LVxZD0cIiFrEvXaKqNyMui2DG2PIKvm17IIFDAx5NUnsRyvfnFInrcmWB/fg815qhy Iqz39rZgKeA8urvg8ukq5d8hwah3G1s= 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 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.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