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 54CFEC433F5 for ; Wed, 29 Sep 2021 04:17:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3315B613D1 for ; Wed, 29 Sep 2021 04:17:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233408AbhI2ESp (ORCPT ); Wed, 29 Sep 2021 00:18:45 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:41645 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231866AbhI2ESd (ORCPT ); Wed, 29 Sep 2021 00:18:33 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1632889011; 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=XAcKm1AilLQBToRMtsAm7bXFYDYEDdToQVlg+zCR/QOOS3ugTUrZ7/GgbBmjpPkILPCt0q znoiLfv8HbvvhiA6/a4o+RLy9xkOKCdOLSJjHhoRYC95dMTIEY8Xxc63Ze4fsiGCgOx3WN DAYB01WKpTazACPh9ocVxU07qASlV64= 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-53-lfUDn5s-NniTKp1cX7OPqw-1; Wed, 29 Sep 2021 00:16:46 -0400 X-MC-Unique: lfUDn5s-NniTKp1cX7OPqw-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id CFC9D802947; Wed, 29 Sep 2021 04:16:44 +0000 (UTC) Received: from localhost (ovpn-8-18.pek2.redhat.com [10.72.8.18]) by smtp.corp.redhat.com (Postfix) with ESMTP id CD32619C79; Wed, 29 Sep 2021 04:16:43 +0000 (UTC) From: Ming Lei To: Jens Axboe , Christoph Hellwig , linux-block@vger.kernel.org Cc: Sagi Grimberg , linux-nvme@lists.infradead.org, Keith Busch , Ming Lei Subject: [PATCH 1/5] nvme: add APIs for stopping/starting admin queue Date: Wed, 29 Sep 2021 12:15:55 +0800 Message-Id: <20210929041559.701102-2-ming.lei@redhat.com> In-Reply-To: <20210929041559.701102-1-ming.lei@redhat.com> References: <20210929041559.701102-1-ming.lei@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 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 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 67B7DC433F5 for ; Wed, 29 Sep 2021 04:17:15 +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 297136135D for ; Wed, 29 Sep 2021 04:17:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 297136135D Authentication-Results: mail.kernel.org; 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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