From patchwork Tue Nov 20 03:00:10 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sagi Grimberg X-Patchwork-Id: 10689807 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id DD40F6C5 for ; Tue, 20 Nov 2018 03:00:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CF86A29F69 for ; Tue, 20 Nov 2018 03:00:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C3CB72A146; Tue, 20 Nov 2018 03:00:31 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 73C0229F69 for ; Tue, 20 Nov 2018 03:00:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732651AbeKTN1V (ORCPT ); Tue, 20 Nov 2018 08:27:21 -0500 Received: from bombadil.infradead.org ([198.137.202.133]:58326 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732343AbeKTN1U (ORCPT ); Tue, 20 Nov 2018 08:27:20 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=References:In-Reply-To:Message-Id: Date:Subject:Cc:To:From:Sender:Reply-To:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=DoMuG1PAwkMCUPcE4FrSWN6fUp24VctinuypS9h0IKs=; b=tdN19qWBK5Podo0kvd7yAM393 j2ceRdTfdXkh4a8xafvVPdFNVX3hFZXn6rtfHMPKtjf+OExdcBPL4NVhbs5nUsWBnAn8DqSYcFkWb oZ3MUc36qGrMwSaNDC08UPwlsoP8l8++/SMnX8mQ8ObFMHON4439vlKsp70S9b/7B+b3EoEL9ZlOF 2VK8qc93Ua8BqRYKu3UR7d8oORztzjXv5BtW36jZEzhx7kHVsBHoGNIUvFkmgquHFwgiO2iMjGfll kdklVSuy7cW/rX6ltjsJHekz2TC8w2zVmRG9MBFqBApmBurm6zNmOQ/GLdiYrAcF4UjhBpH+2YVg0 rlb5W5X2g==; Received: from [2600:1700:65a0:78e0:514:7862:1503:8e4d] (helo=sagi-Latitude-E7470.lbits) by bombadil.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1gOwH5-0000FW-Mc; Tue, 20 Nov 2018 03:00:27 +0000 From: Sagi Grimberg To: linux-nvme@lists.infradead.org Cc: linux-block@vger.kernel.org, netdev@vger.kernel.org, "David S. Miller" , Keith Busch , Christoph Hellwig Subject: [PATCH v2 08/14] nvmet: Add install_queue callout Date: Mon, 19 Nov 2018 19:00:10 -0800 Message-Id: <20181120030019.31738-10-sagi@grimberg.me> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20181120030019.31738-1-sagi@grimberg.me> References: <20181120030019.31738-1-sagi@grimberg.me> Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Sagi Grimberg nvmet-tcp will implement it to allocate queue commands which are only known at nvmf connect time (sq size). Signed-off-by: Sagi Grimberg Reviewed-by: Christoph Hellwig --- drivers/nvme/target/fabrics-cmd.c | 9 +++++++++ drivers/nvme/target/nvmet.h | 1 + 2 files changed, 10 insertions(+) diff --git a/drivers/nvme/target/fabrics-cmd.c b/drivers/nvme/target/fabrics-cmd.c index 328ae46d8344..86ebf191b035 100644 --- a/drivers/nvme/target/fabrics-cmd.c +++ b/drivers/nvme/target/fabrics-cmd.c @@ -121,6 +121,15 @@ static u16 nvmet_install_queue(struct nvmet_ctrl *ctrl, struct nvmet_req *req) req->rsp->sq_head = cpu_to_le16(0xffff); } + if (ctrl->ops->install_queue) { + u16 ret = ctrl->ops->install_queue(req->sq); + if (ret) { + pr_err("failed to install queue %d cntlid %d ret %x\n", + qid, ret, ctrl->cntlid); + return ret; + } + } + return 0; } diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h index 547108c41ce9..957eb7edb902 100644 --- a/drivers/nvme/target/nvmet.h +++ b/drivers/nvme/target/nvmet.h @@ -279,6 +279,7 @@ struct nvmet_fabrics_ops { void (*delete_ctrl)(struct nvmet_ctrl *ctrl); void (*disc_traddr)(struct nvmet_req *req, struct nvmet_port *port, char *traddr); + u16 (*install_queue)(struct nvmet_sq *nvme_sq); }; #define NVMET_MAX_INLINE_BIOVEC 8