From patchwork Wed May 31 20:52:39 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Christie X-Patchwork-Id: 9758093 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id BD36660390 for ; Wed, 31 May 2017 20:52:55 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B0BE7284BB for ; Wed, 31 May 2017 20:52:55 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A5AD1284CF; Wed, 31 May 2017 20:52:55 +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=-6.9 required=2.0 tests=BAYES_00,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 4A151284BB for ; Wed, 31 May 2017 20:52:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751160AbdEaUwy (ORCPT ); Wed, 31 May 2017 16:52:54 -0400 Received: from mx1.redhat.com ([209.132.183.28]:39536 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751033AbdEaUwy (ORCPT ); Wed, 31 May 2017 16:52:54 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id D57E0C04B316; Wed, 31 May 2017 20:52:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com D57E0C04B316 Authentication-Results: ext-mx07.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx07.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=mchristi@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com D57E0C04B316 Received: from rh2.redhat.com (ovpn-126-11.rdu2.redhat.com [10.10.126.11]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4186417F54; Wed, 31 May 2017 20:52:53 +0000 (UTC) From: Mike Christie To: target-devel@vger.kernel.org, nab@linux-iscsi.org Cc: Mike Christie Subject: [RFC PATCH 02/13] target: add helper to copy sense to se_cmd buffer Date: Wed, 31 May 2017 15:52:39 -0500 Message-Id: <1496263970-7632-3-git-send-email-mchristi@redhat.com> In-Reply-To: <1496263970-7632-1-git-send-email-mchristi@redhat.com> References: <1496263970-7632-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Wed, 31 May 2017 20:52:54 +0000 (UTC) Sender: target-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: target-devel@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This adds a helper to copy sense from backend module buffer to the se_cmd's sense buffer. Signed-off-by: Mike Christie --- drivers/target/target_core_transport.c | 18 ++++++++++++++++++ include/target/target_core_backend.h | 2 ++ 2 files changed, 20 insertions(+) diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 4037cf9..f8f40ae 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -701,6 +701,24 @@ static unsigned char *transport_get_sense_buffer(struct se_cmd *cmd) return cmd->sense_buffer; } +void transport_copy_sense_to_cmd(struct se_cmd *cmd, unsigned char *sense) +{ + unsigned char *cmd_sense_buf; + unsigned long flags; + + spin_lock_irqsave(&cmd->t_state_lock, flags); + cmd_sense_buf = transport_get_sense_buffer(cmd); + if (!cmd_sense_buf) { + spin_unlock_irqrestore(&cmd->t_state_lock, flags); + return; + } + + cmd->se_cmd_flags |= SCF_TRANSPORT_TASK_SENSE; + memcpy(cmd_sense_buf, sense, cmd->scsi_sense_length); + spin_unlock_irqrestore(&cmd->t_state_lock, flags); +} +EXPORT_SYMBOL(transport_copy_sense_to_cmd); + void target_complete_cmd(struct se_cmd *cmd, u8 scsi_status) { struct se_device *dev = cmd->se_dev; diff --git a/include/target/target_core_backend.h b/include/target/target_core_backend.h index e475531..07c730a 100644 --- a/include/target/target_core_backend.h +++ b/include/target/target_core_backend.h @@ -71,6 +71,8 @@ struct sbc_ops { void target_complete_cmd(struct se_cmd *, u8); void target_complete_cmd_with_length(struct se_cmd *, u8, int); +void transport_copy_sense_to_cmd(struct se_cmd *, unsigned char *); + sense_reason_t spc_parse_cdb(struct se_cmd *cmd, unsigned int *size); sense_reason_t spc_emulate_report_luns(struct se_cmd *cmd); sense_reason_t spc_emulate_inquiry_std(struct se_cmd *, unsigned char *);