From patchwork Tue Sep 6 10:34:20 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Bogdanov X-Patchwork-Id: 12967279 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 93556ECAAA1 for ; Tue, 6 Sep 2022 10:47:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239604AbiIFKrX (ORCPT ); Tue, 6 Sep 2022 06:47:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58600 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239867AbiIFKqn (ORCPT ); Tue, 6 Sep 2022 06:46:43 -0400 Received: from mta-01.yadro.com (mta-02.yadro.com [89.207.88.252]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9712B72B59; Tue, 6 Sep 2022 03:45:42 -0700 (PDT) Received: from localhost (unknown [127.0.0.1]) by mta-01.yadro.com (Postfix) with ESMTP id E72535657C; Tue, 6 Sep 2022 10:45:16 +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:received; s= mta-01; t=1662461115; x=1664275516; bh=Fpimq6VMnQbeROvd1zyJqnwMp JjLfHSfpqs8/l7gDSQ=; b=UEbxkTqTHGecj8s7RT9lne4V9KIhs6EXzC0Iky57D 6Trr91o0lW+qwsZXC+E0Dd/m5doW+7jB27EhivMFOVGC8v6SrXa5xfKL0OaqnhdP jGDZeCTzwWl3KleAhgFpdQ2H4JHu+46U32DZnF7Ktxqb2nAiT8yCLhwXiSsx1k4+ 9I= 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 D5Qu9S4NW8Dw; Tue, 6 Sep 2022 13:45:15 +0300 (MSK) Received: from T-EXCH-02.corp.yadro.com (T-EXCH-02.corp.yadro.com [172.17.10.102]) (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 CB3CF56594; Tue, 6 Sep 2022 13:34:44 +0300 (MSK) Received: from T-EXCH-08.corp.yadro.com (172.17.11.58) by T-EXCH-02.corp.yadro.com (172.17.10.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.669.32; Tue, 6 Sep 2022 13:34:44 +0300 Received: from NB-591.corp.yadro.com (10.199.18.20) by T-EXCH-08.corp.yadro.com (172.17.11.58) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.1118.9; Tue, 6 Sep 2022 13:34:41 +0300 From: Dmitry Bogdanov To: Martin Petersen , CC: Mike Christie , , , Dmitry Bogdanov , Roman Bolshakov Subject: [PATCH v2 5/6] scsi: target: check emulate_3pc for RECEIVE COPY Date: Tue, 6 Sep 2022 13:34:20 +0300 Message-ID: <20220906103421.22348-6-d.bogdanov@yadro.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220906103421.22348-1-d.bogdanov@yadro.com> References: <20220906103421.22348-1-d.bogdanov@yadro.com> MIME-Version: 1.0 X-Originating-IP: [10.199.18.20] X-ClientProxiedBy: T-EXCH-02.corp.yadro.com (172.17.10.102) To T-EXCH-08.corp.yadro.com (172.17.11.58) Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org RECEIVE COPY RESULTS is an opcode from 3rd party copy command set and shall be rejected if emulate_3pc attribute is off like EXTENDED COPY. Reviewed-by: Roman Bolshakov Signed-off-by: Dmitry Bogdanov --- drivers/target/target_core_xcopy.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/target/target_core_xcopy.c b/drivers/target/target_core_xcopy.c index 8713cda0c2fb..edf522208285 100644 --- a/drivers/target/target_core_xcopy.c +++ b/drivers/target/target_core_xcopy.c @@ -1009,8 +1009,14 @@ sense_reason_t target_do_receive_copy_results(struct se_cmd *se_cmd) { unsigned char *cdb = &se_cmd->t_task_cdb[0]; int sa = (cdb[1] & 0x1f), list_id = cdb[2]; + struct se_device *dev = se_cmd->se_dev; sense_reason_t rc = TCM_NO_SENSE; + if (!dev->dev_attrib.emulate_3pc) { + pr_debug("Third-party copy operations explicitly disabled\n"); + return TCM_UNSUPPORTED_SCSI_OPCODE; + } + pr_debug("Entering target_do_receive_copy_results: SA: 0x%02x, List ID:" " 0x%02x, AL: %u\n", sa, list_id, se_cmd->data_length);