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=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 7750FC4646B for ; Wed, 26 Jun 2019 03:48:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4F582205ED for ; Wed, 26 Jun 2019 03:48:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1561520922; bh=MPRfLOQ78hjLqogfhFdAgFJlEob2kBJlBUS3vqVz0o0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=N5fAXyZdCunACsMubakq8qrl9olHxqm20wFIfCtt/Vc1OlzIZnZEnVEss2NsqzCCn x7ejqrT/pY5NiyS5KMk3f77DBJncYgeOosLL0jCLgt0muH1C3h1vFqUurbQH5sBSA2 jLtxTRifBMSibxVHvfeEJPYk11zmFbZyB+sd+r5A= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727605AbfFZDog (ORCPT ); Tue, 25 Jun 2019 23:44:36 -0400 Received: from mail.kernel.org ([198.145.29.99]:55890 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726907AbfFZDoc (ORCPT ); Tue, 25 Jun 2019 23:44:32 -0400 Received: from sasha-vm.mshome.net (mobile-107-77-172-98.mobile.att.net [107.77.172.98]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8630420659; Wed, 26 Jun 2019 03:44:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1561520671; bh=MPRfLOQ78hjLqogfhFdAgFJlEob2kBJlBUS3vqVz0o0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Upnwbeqznw/8UMA7BHWseZsKolfKFYTC76mhcG/7jhBaOG0tWuKBBSPsiAwQJXkjA DKpO4KvIctCn9BcAKnXbOmwjRdvYBg3ypB5bDPKHnKVqmxp9RDpJctoG8IFN/q2RZT cR+io2HAG0x0ETgbTvYBSTADJX76/MWFClPlmLiM= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Don Brace , Bader Ali - Saleh , Scott Teel , Matt Perricone , "Martin K . Petersen" , Sasha Levin , esc.storagedev@microsemi.com, linux-scsi@vger.kernel.org Subject: [PATCH AUTOSEL 4.19 21/34] scsi: hpsa: correct ioaccel2 chaining Date: Tue, 25 Jun 2019 23:43:22 -0400 Message-Id: <20190626034335.23767-21-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190626034335.23767-1-sashal@kernel.org> References: <20190626034335.23767-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Don Brace [ Upstream commit 625d7d3518875c4d303c652a198feaa13d9f52d9 ] - set ioaccel2_sg_element member 'chain_indicator' to IOACCEL2_LAST_SG for the last s/g element. - set ioaccel2_sg_element member 'chain_indicator' to IOACCEL2_CHAIN when chaining. Reviewed-by: Bader Ali - Saleh Reviewed-by: Scott Teel Reviewed-by: Matt Perricone Signed-off-by: Don Brace Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/scsi/hpsa.c | 7 ++++++- drivers/scsi/hpsa_cmd.h | 1 + 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index c120929d4ffe..c43eccdea65d 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -4923,7 +4923,7 @@ static int hpsa_scsi_ioaccel2_queue_command(struct ctlr_info *h, curr_sg->reserved[0] = 0; curr_sg->reserved[1] = 0; curr_sg->reserved[2] = 0; - curr_sg->chain_indicator = 0x80; + curr_sg->chain_indicator = IOACCEL2_CHAIN; curr_sg = h->ioaccel2_cmd_sg_list[c->cmdindex]; } @@ -4940,6 +4940,11 @@ static int hpsa_scsi_ioaccel2_queue_command(struct ctlr_info *h, curr_sg++; } + /* + * Set the last s/g element bit + */ + (curr_sg - 1)->chain_indicator = IOACCEL2_LAST_SG; + switch (cmd->sc_data_direction) { case DMA_TO_DEVICE: cp->direction &= ~IOACCEL2_DIRECTION_MASK; diff --git a/drivers/scsi/hpsa_cmd.h b/drivers/scsi/hpsa_cmd.h index 21a726e2eec6..f6afca4b2319 100644 --- a/drivers/scsi/hpsa_cmd.h +++ b/drivers/scsi/hpsa_cmd.h @@ -517,6 +517,7 @@ struct ioaccel2_sg_element { u8 reserved[3]; u8 chain_indicator; #define IOACCEL2_CHAIN 0x80 +#define IOACCEL2_LAST_SG 0x40 }; /* -- 2.20.1