From patchwork Tue May 24 06:15:51 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hannes Reinecke X-Patchwork-Id: 12859682 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EC94BC433F5 for ; Tue, 24 May 2022 06:16:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234792AbiEXGQX (ORCPT ); Tue, 24 May 2022 02:16:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51466 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234309AbiEXGQP (ORCPT ); Tue, 24 May 2022 02:16:15 -0400 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B0DE211175 for ; Mon, 23 May 2022 23:16:12 -0700 (PDT) Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out2.suse.de (Postfix) with ESMTP id D15FC1F923; Tue, 24 May 2022 06:16:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1653372970; h=from:from:reply-to: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=9WhpHrhsqLXS04i3ak50HNYi0Ukyuycp5QnRvQGGpJs=; b=TbjQSZ6N62auY1XXGHPKkRnOoschMQ3eeCi+4XiUDK8T+vZyhvuk5CFkJXvrczf6xpC4TZ aVWmkwxJxu5USXLRYJ2sTRCxplfYgg1xLJnsK/MBzMKGA0k4Ds0P6lFm02snrPQkICEzuK OchbWCdiNuFXwJKD2ihVLXiNs8GIEEQ= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1653372970; h=from:from:reply-to: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=9WhpHrhsqLXS04i3ak50HNYi0Ukyuycp5QnRvQGGpJs=; b=qVFV8+pw1itawhrv3t0TGBmFbvdVsjB0K8Fer9CSb1ExQ63Ja2ZuogiT/KQckO+fXjqXFF EDPjczckssY+OfBQ== Received: from adalid.arch.suse.de (adalid.arch.suse.de [10.161.8.13]) by relay2.suse.de (Postfix) with ESMTP id AC5882C149; Tue, 24 May 2022 06:16:10 +0000 (UTC) Received: by adalid.arch.suse.de (Postfix, from userid 16045) id 9C8045194642; Tue, 24 May 2022 08:16:10 +0200 (CEST) From: Hannes Reinecke To: "Martin K. Petersen" Cc: Christoph Hellwig , James Bottomley , linux-scsi@vger.kernel.org, Hannes Reinecke , Hannes Reinecke , Johannes Thumshirn Subject: [PATCH 05/16] mptfc: open-code mptfc_block_error_handler() for bus reset Date: Tue, 24 May 2022 08:15:51 +0200 Message-Id: <20220524061602.86760-6-hare@suse.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20220524061602.86760-1-hare@suse.de> References: <20220524061602.86760-1-hare@suse.de> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org When calling bus_reset we have potentially several ports to be reset, so this patch open-codes the existing mptfc_block_error_handler() to wait for all ports attached to this bus. Signed-off-by: Hannes Reinecke Reviewed-by: Christoph Hellwig Reviewed-by: Johannes Thumshirn --- drivers/message/fusion/mptfc.c | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-) diff --git a/drivers/message/fusion/mptfc.c b/drivers/message/fusion/mptfc.c index ea8fc32dacfa..654b17d5188e 100644 --- a/drivers/message/fusion/mptfc.c +++ b/drivers/message/fusion/mptfc.c @@ -262,12 +262,25 @@ static int mptfc_bus_reset(struct scsi_cmnd *SCpnt) { struct Scsi_Host *shost = SCpnt->device->host; - struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device)); MPT_SCSI_HOST __maybe_unused *hd = shost_priv(shost); + int channel = SCpnt->device->channel; + struct mptfc_rport_info *ri; int rtn; - rtn = mptfc_block_error_handler(rport); - if (rtn == SUCCESS) { + list_for_each_entry(ri, &hd->ioc->fc_rports, list) { + if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) { + VirtTarget *vtarget = ri->starget->hostdata; + + if (!vtarget || vtarget->channel != channel) + continue; + rtn = fc_block_rport(ri->rport); + if (rtn != 0) + break; + if (hd->ioc->active != 0) + break; + } + } + if (rtn == 0) { dfcprintk (hd->ioc, printk(MYIOC_s_DEBUG_FMT "%s.%d: %d:%llu, executing recovery.\n", __func__, hd->ioc->name, shost->host_no,