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 0A2CBC433EF for ; Thu, 14 Oct 2021 08:18:03 +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 C688460E96 for ; Thu, 14 Oct 2021 08:18:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org C688460E96 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:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=f6EPpWJMM1oEudtfCAFWs0O0JIxg1Z+CB9nptxSUO/I=; b=dxIqfaA+IVQCYMy6KvOs7Ojn4r GTHip3DP4ojvXkotIfcQCqzuvSydIXkBlHt7Xh3xkqD8DFamkYilN/fJHUirfyq3bnLhXfT/PVPYG OYNKy+5aecpWsPKXKgRgXzgNYbPN7+JOy0gjogv68A7JYmZQVy7rJBgjGObTkjfJZADON2vkOdpP3 awjcKlKOBNFV/js2gH/1kfjQVsoNyKcDb+C63mFDDkCZ4xusR1kGJegIX4DE1KGU+9a+phB4a8S2i wEg9GnG9Rp1heqkc76fhN7yi2S6ZBOSf+O3GS9aKsYhCzFv/LdPKV7tKvbO1kiF/3P8CCSQbYxbO+ fnAvAYBw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mavvt-00291b-Nb; Thu, 14 Oct 2021 08:17:45 +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 1mavvi-0028ye-N6 for linux-nvme@lists.infradead.org; Thu, 14 Oct 2021 08:17:36 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1634199453; 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=GN5Kisa1f3/raNPEAyI2VYSEF5SeoV7FWZDQj48yYkEiuh7VE6juRuaEMImcM2QcE95FJx pOEcBk1xaxAoCyuHu+LC2S2WW3flR4W6JWJ39UcJE1GybYB/ILTq7vfdPsJv+ho74z4mYz b7IksfdQ5SeuZkZA+q40Q0VuaWL7Ims= 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-330-I3dEUDg2OWWkGqOAdG4_jw-1; Thu, 14 Oct 2021 04:17:29 -0400 X-MC-Unique: I3dEUDg2OWWkGqOAdG4_jw-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 27BFF10168C4; Thu, 14 Oct 2021 08:17:28 +0000 (UTC) Received: from localhost (ovpn-8-32.pek2.redhat.com [10.72.8.32]) by smtp.corp.redhat.com (Postfix) with ESMTP id 63BAD100164A; Thu, 14 Oct 2021 08:17:27 +0000 (UTC) From: Ming Lei To: Jens Axboe , Christoph Hellwig , linux-block@vger.kernel.org, linux-nvme@lists.infradead.org, Chaitanya Kulkarni Cc: Sagi Grimberg , Keith Busch , Bart Van Assche , Yu Kuai , Ming Lei Subject: [PATCH V4 1/6] nvme: add APIs for stopping/starting admin queue Date: Thu, 14 Oct 2021 16:17:05 +0800 Message-Id: <20211014081710.1871747-2-ming.lei@redhat.com> In-Reply-To: <20211014081710.1871747-1-ming.lei@redhat.com> References: <20211014081710.1871747-1-ming.lei@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211014_011734_846012_0A30340B X-CRM114-Status: GOOD ( 12.10 ) 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: , 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