From patchwork Mon Apr 20 20:55:38 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Raphael Moreira Zinsly X-Patchwork-Id: 197848 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=-14.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING, 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 847E5C55181 for ; Mon, 20 Apr 2020 20:56:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 68DB4207FC for ; Mon, 20 Apr 2020 20:56:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726487AbgDTU4d (ORCPT ); Mon, 20 Apr 2020 16:56:33 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:62930 "EHLO mx0b-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725774AbgDTU4c (ORCPT ); Mon, 20 Apr 2020 16:56:32 -0400 Received: from pps.filterd (m0127361.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 03KKXFA6110886; Mon, 20 Apr 2020 16:56:21 -0400 Received: from ppma01dal.us.ibm.com (83.d6.3fa9.ip4.static.sl-reverse.com [169.63.214.131]) by mx0a-001b2d01.pphosted.com with ESMTP id 30gmu9s531-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 20 Apr 2020 16:56:18 -0400 Received: from pps.filterd (ppma01dal.us.ibm.com [127.0.0.1]) by ppma01dal.us.ibm.com (8.16.0.27/8.16.0.27) with SMTP id 03KKtDGw012262; Mon, 20 Apr 2020 20:56:10 GMT Received: from b01cxnp23032.gho.pok.ibm.com (b01cxnp23032.gho.pok.ibm.com [9.57.198.27]) by ppma01dal.us.ibm.com with ESMTP id 30fs66gt8f-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 20 Apr 2020 20:56:10 +0000 Received: from b01ledav006.gho.pok.ibm.com (b01ledav006.gho.pok.ibm.com [9.57.199.111]) by b01cxnp23032.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 03KKu9UE49480158 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 20 Apr 2020 20:56:09 GMT Received: from b01ledav006.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B4A1AAC059; Mon, 20 Apr 2020 20:56:09 +0000 (GMT) Received: from b01ledav006.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5CE47AC05B; Mon, 20 Apr 2020 20:56:09 +0000 (GMT) Received: from localhost (unknown [9.85.196.70]) by b01ledav006.gho.pok.ibm.com (Postfix) with ESMTP; Mon, 20 Apr 2020 20:56:09 +0000 (GMT) From: Raphael Moreira Zinsly To: linuxppc-dev@lists.ozlabs.org, linux-crypto@vger.kernel.org, dja@axtens.net Cc: rzinsly@linux.ibm.com, herbert@gondor.apana.org.au, mpe@ellerman.id.au, haren@linux.ibm.com, abali@us.ibm.com Subject: [PATCH V4 5/5] selftests/powerpc: Add README for GZIP engine tests Date: Mon, 20 Apr 2020 17:55:38 -0300 Message-Id: <20200420205538.25181-6-rzinsly@linux.ibm.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20200420205538.25181-1-rzinsly@linux.ibm.com> References: <20200420205538.25181-1-rzinsly@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.676 definitions=2020-04-20_08:2020-04-20,2020-04-20 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 mlxscore=0 spamscore=0 phishscore=0 adultscore=0 suspectscore=0 priorityscore=1501 lowpriorityscore=0 bulkscore=0 mlxlogscore=999 clxscore=1015 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2004200162 Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Include a README file with the instructions to use the testcases at selftests/powerpc/nx-gzip. Signed-off-by: Bulent Abali Signed-off-by: Raphael Moreira Zinsly --- .../powerpc/nx-gzip/99-nx-gzip.rules | 1 + .../testing/selftests/powerpc/nx-gzip/README | 45 +++++++++++++++++++ 2 files changed, 46 insertions(+) create mode 100644 tools/testing/selftests/powerpc/nx-gzip/99-nx-gzip.rules create mode 100644 tools/testing/selftests/powerpc/nx-gzip/README diff --git a/tools/testing/selftests/powerpc/nx-gzip/99-nx-gzip.rules b/tools/testing/selftests/powerpc/nx-gzip/99-nx-gzip.rules new file mode 100644 index 000000000000..5a7118495cb3 --- /dev/null +++ b/tools/testing/selftests/powerpc/nx-gzip/99-nx-gzip.rules @@ -0,0 +1 @@ +SUBSYSTEM=="nxgzip", KERNEL=="nx-gzip", MODE="0666" diff --git a/tools/testing/selftests/powerpc/nx-gzip/README b/tools/testing/selftests/powerpc/nx-gzip/README new file mode 100644 index 000000000000..9809dbaa1905 --- /dev/null +++ b/tools/testing/selftests/powerpc/nx-gzip/README @@ -0,0 +1,45 @@ +Test the nx-gzip function: +========================= + +Verify that following device exists: + /dev/crypto/nx-gzip +If you get a permission error run as sudo or set the device permissions: + sudo chmod go+rw /dev/crypto/nx-gzip +However, chmod may not survive across boots. You may create a udev file such +as: + /etc/udev/rules.d/99-nx-gzip.rules + + +To manually build and run: +$ gcc -O3 -I./include -o gzfht_test gzfht_test.c gzip_vas.c +$ gcc -O3 -I./include -o gunz_test gunz_test.c gzip_vas.c + + +Compress any file using Fixed Huffman mode. Output will have a .nx.gz suffix: +$ ./gzfht_test gzip_vas.c +file gzip_vas.c read, 6413 bytes +compressed 6413 to 3124 bytes total, crc32 checksum = abd15e8a + + +Uncompress the previous output. Output will have a .nx.gunzip suffix: +./gunz_test gzip_vas.c.nx.gz +gzHeader FLG 0 +00 00 00 00 04 03 +gzHeader MTIME, XFL, OS ignored +computed checksum abd15e8a isize 0000190d +stored checksum abd15e8a isize 0000190d +decomp is complete: fclose + + +Compare two files: +$ sha1sum gzip_vas.c.nx.gz.nx.gunzip gzip_vas.c +bf43e3c0c3651f5f22b6f9784cd9b1eeab4120b6 gzip_vas.c.nx.gz.nx.gunzip +bf43e3c0c3651f5f22b6f9784cd9b1eeab4120b6 gzip_vas.c + + +Note that the code here are intended for testing the nx-gzip hardware function. +They are not intended for demonstrating performance or compression ratio. +By being simplistic these selftests expect to allocate the entire set of source +and target pages in the memory so it needs enough memory to work. +For more information and source code consider using: +https://github.com/libnxz/power-gzip