From patchwork Fri Feb 24 17:44:48 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Christie X-Patchwork-Id: 13151588 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 95A39C7EE2F for ; Fri, 24 Feb 2023 17:47:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229771AbjBXRre (ORCPT ); Fri, 24 Feb 2023 12:47:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43188 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229663AbjBXRrd (ORCPT ); Fri, 24 Feb 2023 12:47:33 -0500 Received: from mx0b-00069f02.pphosted.com (mx0b-00069f02.pphosted.com [205.220.177.32]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C0AE16ADC0; Fri, 24 Feb 2023 09:47:30 -0800 (PST) Received: from pps.filterd (m0246630.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 31OHho7S007318; Fri, 24 Feb 2023 17:45:15 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : content-transfer-encoding : content-type : mime-version; s=corp-2022-7-12; bh=d42LiJKk/M7JGeJ1yIcCC35IjIg3L7LXZyd77b/+q5A=; b=eVkPe+mrEUW9u3AxO9ZonFZi7bK7ovLNS1KlRaztY5iKOMLAjIUCoAihfuNAeRZH1NK7 GXpcLFlTJAYVn8BEMCHnc2EmvSz1/4bavWtWokcbFYkrSBXGJKxjBpP31oHIp4dp392q hDoa12TUiDXuuyDAeFVmxc3nf7+nDG4BEroTH10Mi7nZTZBnxOXzH14L74i/z+UfEjQC yIguROv+kNuYh+aGX95bfSQDrrP6Y7B0u7x7hKqf8DP0owk1Agvh6MTqZKBbuPxAt/5G OgiiU+d0yiVi/8hGzOJqJzqFGTmPhj38+jW2G9jiMKKcM/TPsQuPuumXSUUMyETuJaqz UA== Received: from phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta01.appoci.oracle.com [138.1.114.2]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 3ntn3dwpyq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 24 Feb 2023 17:45:15 +0000 Received: from pps.filterd (phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (8.17.1.5/8.17.1.5) with ESMTP id 31OH1Ks4026136; Fri, 24 Feb 2023 17:45:14 GMT Received: from nam10-dm6-obe.outbound.protection.outlook.com (mail-dm6nam10lp2100.outbound.protection.outlook.com [104.47.58.100]) by phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTPS id 3ntn49sdsv-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 24 Feb 2023 17:45:14 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=GTS+MUmd+Gg/A/U9qdKdAxvoVyS1L9WNbqF6bfXaEsq0cysZLAbnMoo5oWj4IKdo+nBBvQizU77P9zUW5UbnQ/jTBwdX8YyAfpz/SbSGR4OTV1MueErXJFLRD7SYMjRVQXa2JVCBFwLh8llV/paK5k29vxSyX8yM+1Tfx9nUVsvnRxYtlqZGoL1n5wuXFOFqm+k1UAODjQJXwjePlxSt96mZHhEeG72/rLZK40pRN2ShnLH4xkntWU//zrQKe3RsyEtN+d9+XGJg74vdRzQVumRBCTIEakGQS7bCKHYEjSRhXY9DuKL7Kk/7QyGdd2hShGvDJe8HKZAl/M2yevM0Mw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=d42LiJKk/M7JGeJ1yIcCC35IjIg3L7LXZyd77b/+q5A=; b=a83MW6sLLtsQQNljRmJvB1tb2IvAUYF4gxtL0Ra9+V1sZMEMo0wLbxWpkMyS5OPb8RjiFfOMnkxmIgLiLLBgeNC8Q9XR31K5tT2KEjIyES9URc+ORO7SsxXPnX89zdF/R2E6ei9iyr5M7XRx+A5A3zUOcqUh3K3/3GgjKSquaMFHmLxoBD3+hm8N1GrmaGRUQ9J43lXQuePpwqhgIP0HR7px2myZ72BiDmkHlxklRYvgnhT75VgweqqJqqWxflPL6uSMS8v9jH9ZFTWsd0doK+/hqVXBabxDaI4j7aiaV5bSxz7j4pTw1h57I5yJc6caeRA0z0grOHi2IjiXkJYU9w== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=oracle.com; dmarc=pass action=none header.from=oracle.com; dkim=pass header.d=oracle.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.onmicrosoft.com; s=selector2-oracle-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=d42LiJKk/M7JGeJ1yIcCC35IjIg3L7LXZyd77b/+q5A=; b=eTGgWxDSrexOLC60McyFKvisXEwQd9Kchcrcd5VgjAbjFoTW62Y8yEM6fpyat0PIchy0GeZrIiNw9f/B61RXkJIspUTj1iHfW45nncpyURH/XJQuzBwKRkMPrybkco3faJjm9l9QB1jHGH43FjHU+fmgZEKc7sN80nsi0nvDK98= Received: from DM5PR10MB1466.namprd10.prod.outlook.com (2603:10b6:3:b::7) by CH0PR10MB7535.namprd10.prod.outlook.com (2603:10b6:610:187::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6156.7; Fri, 24 Feb 2023 17:45:11 +0000 Received: from DM5PR10MB1466.namprd10.prod.outlook.com ([fe80::7dd7:8d22:104:8d64]) by DM5PR10MB1466.namprd10.prod.outlook.com ([fe80::7dd7:8d22:104:8d64%7]) with mapi id 15.20.6156.007; Fri, 24 Feb 2023 17:45:11 +0000 From: Mike Christie To: bvanassche@acm.org, hch@lst.de, martin.petersen@oracle.com, linux-scsi@vger.kernel.org, james.bottomley@hansenpartnership.com, linux-block@vger.kernel.org, dm-devel@redhat.com, snitzer@kernel.org, axboe@kernel.dk, linux-nvme@lists.infradead.org, chaitanyak@nvidia.com, kbusch@kernel.org, target-devel@vger.kernel.org Cc: Mike Christie Subject: [PATCH v4 04/18] scsi: Move sd_pr_type to header to share Date: Fri, 24 Feb 2023 11:44:48 -0600 Message-Id: <20230224174502.321490-5-michael.christie@oracle.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230224174502.321490-1-michael.christie@oracle.com> References: <20230224174502.321490-1-michael.christie@oracle.com> X-ClientProxiedBy: DM5PR07CA0074.namprd07.prod.outlook.com (2603:10b6:4:ad::39) To DM5PR10MB1466.namprd10.prod.outlook.com (2603:10b6:3:b::7) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM5PR10MB1466:EE_|CH0PR10MB7535:EE_ X-MS-Office365-Filtering-Correlation-Id: 97f5b941-f128-4982-7267-08db168ee088 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DM5PR10MB1466.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230025)(346002)(366004)(376002)(39860400002)(136003)(396003)(451199018)(4326008)(66476007)(66556008)(66946007)(8676002)(83380400001)(41300700001)(316002)(36756003)(186003)(8936002)(26005)(5660300002)(2616005)(38100700002)(7416002)(6512007)(921005)(86362001)(478600001)(2906002)(6486002)(6506007)(107886003)(1076003)(6666004);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-MS-Exchange-AntiSpam-ExternalHop-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-ExternalHop-MessageData-0: MUE2nx/SCjHro3UfZ+be8cggYyHggHM3BPalDG7rQMhvNx252STd1bvsvY79gguRJspOFldxx/hqHbI1rabNcweQWvun3qNuCn+LutlddHcgX2uqrSOZq6GWVmL69CT//TZiZJludypJsYdFtxf2oTxc+qWo/ONyAvgP5S39aGTjE9IK3xTa+fwVGQwKAKt003PcmdGvBiDFEPPw1l3c5gnV3va+O+6qYuPuf6jnnF/xjYdfCLUJcDhrsT0e7P2E3owDhO1Q5OfEZzNym0x+qQh6nAAoMTIlOpA7E1Jt+Amxll48JoqZjpLHGbklayjbr0KS3lfGFM2ZYZ2Ghd4e1j3M8bbqDjbTFPYGbcwDc1S1nL822Zeyb/oRF3TlHNgm7Aq4CESgSKn4F7/KW55V/yHC/hsVVfAYge1yKzF8QGErAWShyUKwKG/YAg97M1N8q5RiFEUbleV0/5KCU6JNemymmbG9tFKHstaXta4JAEBw0wUdfsiz4822iyvPzBIPEt/Qo0alxR4woLQvGwCidLNGgOrOlAWCFx2y5fMs+j7xhh/CxiBEpaQ0lZ0iO2GFM2h/oH9i4tjpgC3HKpG1oV3iNkuZwxxMjZ/dsm43sgbmg2xZaeUIxmEwqwoGKM4KiS4g1XUiOoLJPLCK6n9W2bxngx4EbeQSt1qRAZ4+Rj7nAAGaguKs8mkLNeWROz9nCnBluFEob6hj8uKrWrmiJMuDbxNm2hH3IlFqQ/ivOY7/ibnmvSlcdPgMSzrMoJ3gFxgzS2zwfpst6u+FjbnWeIjmf7mCH+ppuhitpdA1pGhWHyOCSYOoxIsvSeBMZNvFmMOG4QYRvmd9PpjNXEs61iTXao+tfVOnadF2WfMb87i90UCfqQd2wq1DSyy68Ivi1/ACgN7e2eCzMPmYGB9SLjtLtIN5Nb++B1J6w2aA/t2ImVYcCc5G3RhFlv4xnCjo+C+l3nraeAP2T7gvbvY5jeOYxfk14gPv6tSwuL4UUDwQYJb+Q99YVTMDQ1c+LdIVyBjUcEw2J2t6mw3E+apT2Q== X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-Network-Message-Id: 97f5b941-f128-4982-7267-08db168ee088 X-MS-Exchange-CrossTenant-AuthSource: DM5PR10MB1466.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 Feb 2023 17:45:11.2512 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: Hw152L5SF/DcxzPZPmWqRpVcXyWVfXIFsblqHy6CLNazdfuzdarqhRhME4Ma39czfO7dreDIDS8YBSLN9VenEWpb+TrH5N/PkkDpzQkhQaA= X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH0PR10MB7535 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.930,Hydra:6.0.562,FMLib:17.11.170.22 definitions=2023-02-24_12,2023-02-24_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 malwarescore=0 spamscore=0 mlxlogscore=999 bulkscore=0 mlxscore=0 adultscore=0 suspectscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2302240139 X-Proofpoint-GUID: Revfi4bH7flKqRkDYZt3j4rXl-vxaEjb X-Proofpoint-ORIG-GUID: Revfi4bH7flKqRkDYZt3j4rXl-vxaEjb Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org LIO is going to want to do the same block to/from SCSI pr types as sd.c so this moves the sd_pr_type helper to a new file. The next patch will then also add a helper to go from the SCSI value to the block one for use with PERSISTENT_RESERVE_IN commands. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig Reviewed-by: Chaitanya Kulkarni --- drivers/scsi/sd.c | 33 ++++++++------------------------- include/scsi/scsi_block_pr.h | 36 ++++++++++++++++++++++++++++++++++++ 2 files changed, 44 insertions(+), 25 deletions(-) create mode 100644 include/scsi/scsi_block_pr.h diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 79377173f6a3..a801ef393c38 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -67,6 +67,7 @@ #include #include #include +#include #include "sd.h" #include "scsi_priv.h" @@ -1693,26 +1694,6 @@ static int sd_get_unique_id(struct gendisk *disk, u8 id[16], return ret; } -static char sd_pr_type(enum pr_type type) -{ - switch (type) { - case PR_WRITE_EXCLUSIVE: - return 0x01; - case PR_EXCLUSIVE_ACCESS: - return 0x03; - case PR_WRITE_EXCLUSIVE_REG_ONLY: - return 0x05; - case PR_EXCLUSIVE_ACCESS_REG_ONLY: - return 0x06; - case PR_WRITE_EXCLUSIVE_ALL_REGS: - return 0x07; - case PR_EXCLUSIVE_ACCESS_ALL_REGS: - return 0x08; - default: - return 0; - } -}; - static int sd_scsi_to_pr_err(struct scsi_sense_hdr *sshdr, int result) { switch (host_byte(result)) { @@ -1743,8 +1724,8 @@ static int sd_scsi_to_pr_err(struct scsi_sense_hdr *sshdr, int result) } } -static int sd_pr_out_command(struct block_device *bdev, u8 sa, - u64 key, u64 sa_key, u8 type, u8 flags) +static int sd_pr_out_command(struct block_device *bdev, u8 sa, u64 key, + u64 sa_key, enum scsi_pr_type type, u8 flags) { struct scsi_disk *sdkp = scsi_disk(bdev->bd_disk); struct scsi_device *sdev = sdkp->device; @@ -1796,19 +1777,21 @@ static int sd_pr_reserve(struct block_device *bdev, u64 key, enum pr_type type, { if (flags) return -EOPNOTSUPP; - return sd_pr_out_command(bdev, 0x01, key, 0, sd_pr_type(type), 0); + return sd_pr_out_command(bdev, 0x01, key, 0, + block_pr_type_to_scsi(type), 0); } static int sd_pr_release(struct block_device *bdev, u64 key, enum pr_type type) { - return sd_pr_out_command(bdev, 0x02, key, 0, sd_pr_type(type), 0); + return sd_pr_out_command(bdev, 0x02, key, 0, + block_pr_type_to_scsi(type), 0); } static int sd_pr_preempt(struct block_device *bdev, u64 old_key, u64 new_key, enum pr_type type, bool abort) { return sd_pr_out_command(bdev, abort ? 0x05 : 0x04, old_key, new_key, - sd_pr_type(type), 0); + block_pr_type_to_scsi(type), 0); } static int sd_pr_clear(struct block_device *bdev, u64 key) diff --git a/include/scsi/scsi_block_pr.h b/include/scsi/scsi_block_pr.h new file mode 100644 index 000000000000..44766d7a81d8 --- /dev/null +++ b/include/scsi/scsi_block_pr.h @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _SCSI_BLOCK_PR_H +#define _SCSI_BLOCK_PR_H + +#include + +enum scsi_pr_type { + SCSI_PR_WRITE_EXCLUSIVE = 0x01, + SCSI_PR_EXCLUSIVE_ACCESS = 0x03, + SCSI_PR_WRITE_EXCLUSIVE_REG_ONLY = 0x05, + SCSI_PR_EXCLUSIVE_ACCESS_REG_ONLY = 0x06, + SCSI_PR_WRITE_EXCLUSIVE_ALL_REGS = 0x07, + SCSI_PR_EXCLUSIVE_ACCESS_ALL_REGS = 0x08, +}; + +static inline enum scsi_pr_type block_pr_type_to_scsi(enum pr_type type) +{ + switch (type) { + case PR_WRITE_EXCLUSIVE: + return SCSI_PR_WRITE_EXCLUSIVE; + case PR_EXCLUSIVE_ACCESS: + return SCSI_PR_EXCLUSIVE_ACCESS; + case PR_WRITE_EXCLUSIVE_REG_ONLY: + return SCSI_PR_WRITE_EXCLUSIVE_REG_ONLY; + case PR_EXCLUSIVE_ACCESS_REG_ONLY: + return SCSI_PR_EXCLUSIVE_ACCESS_REG_ONLY; + case PR_WRITE_EXCLUSIVE_ALL_REGS: + return SCSI_PR_WRITE_EXCLUSIVE_ALL_REGS; + case PR_EXCLUSIVE_ACCESS_ALL_REGS: + return SCSI_PR_EXCLUSIVE_ACCESS_ALL_REGS; + } + + return 0; +} + +#endif