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 X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 94264C43603 for ; Mon, 16 Dec 2019 18:05:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6ADD424683 for ; Mon, 16 Dec 2019 18:05:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576519545; bh=oBdUceBh9iji2lhiwMRLh5mwNhI8r7frfSTtgbxrcEE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=q30df59ndcqxcDyWlm/XTX6Mifu7fXXJb2DakFVtsmULP3nf+peSNy7eQIO/PO0qk POEuDGoZe5fzbjaeVEjpjD+uticvuQFlI/HzfDXW6TOBqX6AfXnUKXHRRpwMKlDXQv GrHDwgZzpb1QGN5qijfzSgTORzoS/ifhfLq+eJN0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729870AbfLPSFo (ORCPT ); Mon, 16 Dec 2019 13:05:44 -0500 Received: from mail.kernel.org ([198.145.29.99]:44460 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729677AbfLPSFl (ORCPT ); Mon, 16 Dec 2019 13:05:41 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 7570A21582; Mon, 16 Dec 2019 18:05:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576519540; bh=oBdUceBh9iji2lhiwMRLh5mwNhI8r7frfSTtgbxrcEE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NHAGgZHGVzHgD1mSzOqG5bUIPqY/W9kdBSt/urSVU9cPeMkEusJ3buTXaGuDMLClI +wtxStoeOZ98ZJEA0av59n6HVWp1QxISvqenYe4eR2HVTZMW6cCl7IX80UAzf4IDad p4zzg/cXuVcBoCAul7aO0mw7jkzY9HG1K7UwX2KE= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Dick Kennedy , James Smart , "Martin K. Petersen" , Sasha Levin Subject: [PATCH 4.19 109/140] scsi: lpfc: Cap NPIV vports to 256 Date: Mon, 16 Dec 2019 18:49:37 +0100 Message-Id: <20191216174816.549065385@linuxfoundation.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20191216174747.111154704@linuxfoundation.org> References: <20191216174747.111154704@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: James Smart [ Upstream commit 8b47ae69e049ae0b3373859d901f0334322f9fe9 ] Depending on the chipset, the number of NPIV vports may vary and be in excess of what most switches support (256). To avoid confusion with the users, limit the reported NPIV vports to 256. Additionally correct the 16G adapter which is reporting a bogus NPIV vport number if the link is down. Signed-off-by: Dick Kennedy Signed-off-by: James Smart Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/scsi/lpfc/lpfc.h | 3 ++- drivers/scsi/lpfc/lpfc_attr.c | 12 ++++++++++-- drivers/scsi/lpfc/lpfc_init.c | 3 +++ 3 files changed, 15 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index a62e85cb62eb2..706aca3f7c253 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -966,7 +966,8 @@ struct lpfc_hba { struct list_head port_list; struct lpfc_vport *pport; /* physical lpfc_vport pointer */ uint16_t max_vpi; /* Maximum virtual nports */ -#define LPFC_MAX_VPI 0xFFFF /* Max number of VPI supported */ +#define LPFC_MAX_VPI 0xFF /* Max number VPI supported 0 - 0xff */ +#define LPFC_MAX_VPORTS 0x100 /* Max vports per port, with pport */ uint16_t max_vports; /* * For IOV HBAs max_vpi can change * after a reset. max_vports is max diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 3f69a5e4e470a..1e9002138d31c 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -1632,6 +1632,9 @@ lpfc_get_hba_info(struct lpfc_hba *phba, max_vpi = (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) > 0) ? (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) - 1) : 0; + /* Limit the max we support */ + if (max_vpi > LPFC_MAX_VPI) + max_vpi = LPFC_MAX_VPI; if (mvpi) *mvpi = max_vpi; if (avpi) @@ -1647,8 +1650,13 @@ lpfc_get_hba_info(struct lpfc_hba *phba, *axri = pmb->un.varRdConfig.avail_xri; if (mvpi) *mvpi = pmb->un.varRdConfig.max_vpi; - if (avpi) - *avpi = pmb->un.varRdConfig.avail_vpi; + if (avpi) { + /* avail_vpi is only valid if link is up and ready */ + if (phba->link_state == LPFC_HBA_READY) + *avpi = pmb->un.varRdConfig.avail_vpi; + else + *avpi = pmb->un.varRdConfig.max_vpi; + } } mempool_free(pmboxq, phba->mbox_mem_pool); diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index da63c026ba460..57510a831735b 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -7766,6 +7766,9 @@ lpfc_sli4_read_config(struct lpfc_hba *phba) bf_get(lpfc_mbx_rd_conf_xri_base, rd_config); phba->sli4_hba.max_cfg_param.max_vpi = bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config); + /* Limit the max we support */ + if (phba->sli4_hba.max_cfg_param.max_vpi > LPFC_MAX_VPORTS) + phba->sli4_hba.max_cfg_param.max_vpi = LPFC_MAX_VPORTS; phba->sli4_hba.max_cfg_param.vpi_base = bf_get(lpfc_mbx_rd_conf_vpi_base, rd_config); phba->sli4_hba.max_cfg_param.max_rpi = -- 2.20.1