From patchwork Thu Dec 3 08:20:35 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anastasia Kovaleva X-Patchwork-Id: 11948191 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=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 340A3C83012 for ; Thu, 3 Dec 2020 08:22:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E95B2217A0 for ; Thu, 3 Dec 2020 08:22:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388390AbgLCIWY (ORCPT ); Thu, 3 Dec 2020 03:22:24 -0500 Received: from mta-02.yadro.com ([89.207.88.252]:59984 "EHLO mta-01.yadro.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2388310AbgLCIWY (ORCPT ); Thu, 3 Dec 2020 03:22:24 -0500 Received: from localhost (unknown [127.0.0.1]) by mta-01.yadro.com (Postfix) with ESMTP id 2484041393; Thu, 3 Dec 2020 08:21:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=yadro.com; h= content-type:content-type:content-transfer-encoding:mime-version :references:in-reply-to:x-mailer:message-id:date:date:subject :subject:from:from:received:received:received; s=mta-01; t= 1606983701; x=1608798102; bh=Pa5q8sNdwcpWjsaEwJFBHcPa+a+xs4vWLBc 7977tF18=; b=AaJ7OP35fFLu6xtLQdzLNoQOwfNTQUtzLHAjbC1DCIOMNGeC9Qr f0OUL12tCc3vJ2cX13RCbSP4BfRw4zrBuMZZuN6pAsxL4XuixNwPT24s+6HnlOSF hhxj2ESa7AN1YX33to/qbsl2FMK2ExhNaJIwDarfEc99b0tkKXd8AsUw= X-Virus-Scanned: amavisd-new at yadro.com Received: from mta-01.yadro.com ([127.0.0.1]) by localhost (mta-01.yadro.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Z2l8Da-osMNy; Thu, 3 Dec 2020 11:21:41 +0300 (MSK) Received: from T-EXCH-03.corp.yadro.com (t-exch-03.corp.yadro.com [172.17.100.103]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mta-01.yadro.com (Postfix) with ESMTPS id F27C94136B; Thu, 3 Dec 2020 11:21:40 +0300 (MSK) Received: from localhost (172.17.204.63) by T-EXCH-03.corp.yadro.com (172.17.100.103) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.669.32; Thu, 3 Dec 2020 11:21:40 +0300 From: Anastasia Kovaleva To: CC: , , , Anastasia Kovaleva , Roman Bolshakov Subject: [RESEND PATCH 3/3] scsi: target: core: Change ASCQ for residual write Date: Thu, 3 Dec 2020 11:20:35 +0300 Message-ID: <20201203082035.54566-4-a.kovaleva@yadro.com> X-Mailer: git-send-email 2.24.3 (Apple Git-128) In-Reply-To: <20201203082035.54566-1-a.kovaleva@yadro.com> References: <20201203082035.54566-1-a.kovaleva@yadro.com> MIME-Version: 1.0 X-Originating-IP: [172.17.204.63] X-ClientProxiedBy: T-EXCH-01.corp.yadro.com (172.17.10.101) To T-EXCH-03.corp.yadro.com (172.17.100.103) Precedence: bulk List-ID: X-Mailing-List: target-devel@vger.kernel.org According to FCP-4 (9.4.2): If the command requested that data beyond the length specified by the FCP_DL field be transferred, then the device server shall set the FCP_RESID_OVER bit (see 9.5.8) to one in the FCP_RSP IU and: a) process the command normally except that data beyond the FCP_DL count shall not be requested or transferred; b) transfer no data and return CHECK CONDITION status with the sense key set to ILLEGAL REQUEST and the additional sense code set to INVALID FIELD IN COMMAND INFORMATION UNIT; or c) may transfer data and return CHECK CONDITION status with the sense key set to ABORTED COMMAND and the additional sense code set to INVALID FIELD IN COMMAND INFORMATION UNIT. TCM follows b) and transfers no data for residual writes but returns INVALID FIELD IN CDB instead of INVALID FIELD IN COMMAND INFORMATION UNIT. Change the ASCQ to INVALID FIELD IN COMMAND INFORMATION UNIT to meet the standart. Signed-off-by: Anastasia Kovaleva Signed-off-by: Roman Bolshakov --- drivers/target/target_core_transport.c | 8 +++++++- include/target/target_core_base.h | 1 + 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index eb51298cab4f..94cee131f5b7 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -1338,7 +1338,7 @@ target_cmd_size_check(struct se_cmd *cmd, unsigned int size) if (cmd->se_cmd_flags & SCF_SCSI_DATA_CDB) { pr_err_ratelimited("Rejecting underflow/overflow" " for WRITE data CDB\n"); - return TCM_INVALID_CDB_FIELD; + return TCM_INVALID_FIELD_IN_COMMAND_IU; } /* * Some fabric drivers like iscsi-target still expect to @@ -1879,6 +1879,7 @@ void transport_generic_request_failure(struct se_cmd *cmd, case TCM_UNSUPPORTED_TARGET_DESC_TYPE_CODE: case TCM_TOO_MANY_SEGMENT_DESCS: case TCM_UNSUPPORTED_SEGMENT_DESC_TYPE_CODE: + case TCM_INVALID_FIELD_IN_COMMAND_IU: break; case TCM_OUT_OF_RESOURCES: cmd->scsi_status = SAM_STAT_TASK_SET_FULL; @@ -3205,6 +3206,11 @@ static const struct sense_detail sense_detail_table[] = { .asc = 0x55, .ascq = 0x04, /* INSUFFICIENT REGISTRATION RESOURCES */ }, + [TCM_INVALID_FIELD_IN_COMMAND_IU] = { + .key = ILLEGAL_REQUEST, + .asc = 0x0e, + .ascq = 0x03, /* INVALID FIELD IN COMMAND INFORMATION UNIT */ + }, }; /** diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h index 63dd12124139..54dcc0eb25fa 100644 --- a/include/target/target_core_base.h +++ b/include/target/target_core_base.h @@ -187,6 +187,7 @@ enum tcm_sense_reason_table { TCM_UNSUPPORTED_SEGMENT_DESC_TYPE_CODE = R(0x1c), TCM_INSUFFICIENT_REGISTRATION_RESOURCES = R(0x1d), TCM_LUN_BUSY = R(0x1e), + TCM_INVALID_FIELD_IN_COMMAND_IU = R(0x1f), #undef R };