From patchwork Fri Apr 7 20:05:49 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Christie X-Patchwork-Id: 13205350 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 64E38C76196 for ; Fri, 7 Apr 2023 20:09:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231664AbjDGUJq (ORCPT ); Fri, 7 Apr 2023 16:09:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32882 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230135AbjDGUJc (ORCPT ); Fri, 7 Apr 2023 16:09:32 -0400 Received: from mx0b-00069f02.pphosted.com (mx0b-00069f02.pphosted.com [205.220.177.32]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 210D9C17A; Fri, 7 Apr 2023 13:09:17 -0700 (PDT) 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 337FxDxu018772; Fri, 7 Apr 2023 20:06:38 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 : mime-version : content-transfer-encoding; s=corp-2022-7-12; bh=P9Lzi/ZtfXnWhqP/2lFsblJTFnvLSerrPfLluzUW4fw=; b=CPydHHTaFanJ34djp2GVfXEwbinLyZdi5Fv6v0qfBYXUYNdRH8Otp1b1u7uLOGAv99Gy 9+zQqtmxzDopPNeuzOVn5j4BIid2+igqSFM+1UaSOrxLXx714iGgo/P8JqIeZHVpep4Q MhSDCvH0xeZjaajtdIYMMdjDN4tRuD4qkrTB2Y2ihvelTeVeKU+CjB8Qq9Kk/kRYLaVz PbKZTKziSMD/6gIyEe5VJAmCyLFu8jzKxMLBymPrl6k79BvD9NDi5/K7jCm+O+oZOuGb viGhC7KDMJZMXcBCe2W5YhFMfiUHC+RCs2aSyaxo2epTyIlmMJUbDJ46snn27a2+50Et lA== Received: from iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta02.appoci.oracle.com [147.154.18.20]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 3ppb1dws0s-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 07 Apr 2023 20:06:38 +0000 Received: from pps.filterd (iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (8.17.1.19/8.17.1.19) with ESMTP id 337IB9ak034233; Fri, 7 Apr 2023 20:06:38 GMT Received: from pps.reinject (localhost [127.0.0.1]) by iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTPS id 3pptjxefaw-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 07 Apr 2023 20:06:38 +0000 Received: from iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 337K5trO010228; Fri, 7 Apr 2023 20:06:37 GMT Received: from mnchrist-mac.us.oracle.com (dhcp-10-154-128-1.vpn.oracle.com [10.154.128.1]) by iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTP id 3pptjxeeam-17; Fri, 07 Apr 2023 20:06:37 +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 v6 16/18] scsi: target: Pass struct target_opcode_descriptor to enabled Date: Fri, 7 Apr 2023 15:05:49 -0500 Message-Id: <20230407200551.12660-17-michael.christie@oracle.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230407200551.12660-1-michael.christie@oracle.com> References: <20230407200551.12660-1-michael.christie@oracle.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-04-07_12,2023-04-06_03,2023-02-09_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 malwarescore=0 adultscore=0 phishscore=0 bulkscore=0 mlxscore=0 suspectscore=0 spamscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2304070180 X-Proofpoint-GUID: XpTaNgBy509X8hCf_df6vmrGqD8QNWMH X-Proofpoint-ORIG-GUID: XpTaNgBy509X8hCf_df6vmrGqD8QNWMH Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org The iblock pr_ops support does not support commands that require port or I_T Nexus info. This adds a struct target_opcode_descriptor as an argument to the enabled callout so we can still have the common tcm_is_pr_enabled and tcm_is_scsi2_reservations_enabled functions and also determine if the command is supported based on the command and service action and device settings. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- drivers/target/target_core_spc.c | 40 +++++++++++++++++++------------ include/target/target_core_base.h | 3 ++- 2 files changed, 27 insertions(+), 16 deletions(-) diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c index 00d34616df5d..caf8d1325007 100644 --- a/drivers/target/target_core_spc.c +++ b/drivers/target/target_core_spc.c @@ -1429,7 +1429,8 @@ static struct target_opcode_descriptor tcm_opcode_write_verify16 = { .update_usage_bits = set_dpofua_usage_bits, }; -static bool tcm_is_ws_enabled(struct se_cmd *cmd) +static bool tcm_is_ws_enabled(struct target_opcode_descriptor *descr, + struct se_cmd *cmd) { struct exec_cmd_ops *ops = cmd->protocol_data; struct se_device *dev = cmd->se_dev; @@ -1456,7 +1457,8 @@ static struct target_opcode_descriptor tcm_opcode_write_same32 = { .update_usage_bits = set_dpofua_usage_bits32, }; -static bool tcm_is_caw_enabled(struct se_cmd *cmd) +static bool tcm_is_caw_enabled(struct target_opcode_descriptor *descr, + struct se_cmd *cmd) { struct se_device *dev = cmd->se_dev; @@ -1496,7 +1498,8 @@ static struct target_opcode_descriptor tcm_opcode_read_capacity16 = { 0xff, 0xff, 0x00, SCSI_CONTROL_MASK}, }; -static bool tcm_is_rep_ref_enabled(struct se_cmd *cmd) +static bool tcm_is_rep_ref_enabled(struct target_opcode_descriptor *descr, + struct se_cmd *cmd) { struct se_device *dev = cmd->se_dev; @@ -1507,7 +1510,6 @@ static bool tcm_is_rep_ref_enabled(struct se_cmd *cmd) } spin_unlock(&dev->t10_alua.lba_map_lock); return true; - } static struct target_opcode_descriptor tcm_opcode_read_report_refferals = { @@ -1542,7 +1544,8 @@ static struct target_opcode_descriptor tcm_opcode_sync_cache16 = { 0xff, 0xff, SCSI_GROUP_NUMBER_MASK, SCSI_CONTROL_MASK}, }; -static bool tcm_is_unmap_enabled(struct se_cmd *cmd) +static bool tcm_is_unmap_enabled(struct target_opcode_descriptor *descr, + struct se_cmd *cmd) { struct exec_cmd_ops *ops = cmd->protocol_data; struct se_device *dev = cmd->se_dev; @@ -1664,7 +1667,8 @@ static struct target_opcode_descriptor tcm_opcode_pri_read_resrv = { 0xff, SCSI_CONTROL_MASK}, }; -static bool tcm_is_pr_enabled(struct se_cmd *cmd) +static bool tcm_is_pr_enabled(struct target_opcode_descriptor *descr, + struct se_cmd *cmd) { struct se_device *dev = cmd->se_dev; @@ -1793,7 +1797,9 @@ static struct target_opcode_descriptor tcm_opcode_pro_register_move = { .enabled = tcm_is_pr_enabled, }; -static bool tcm_is_scsi2_reservations_enabled(struct se_cmd *cmd) +static bool +tcm_is_scsi2_reservations_enabled(struct target_opcode_descriptor *descr, + struct se_cmd *cmd) { struct se_device *dev = cmd->se_dev; @@ -1854,7 +1860,8 @@ static struct target_opcode_descriptor tcm_opcode_inquiry = { 0xff, SCSI_CONTROL_MASK}, }; -static bool tcm_is_3pc_enabled(struct se_cmd *cmd) +static bool tcm_is_3pc_enabled(struct target_opcode_descriptor *descr, + struct se_cmd *cmd) { struct se_device *dev = cmd->se_dev; @@ -1915,8 +1922,8 @@ static struct target_opcode_descriptor tcm_opcode_report_target_pgs = { 0xff, 0xff, 0x00, SCSI_CONTROL_MASK}, }; - -static bool spc_rsoc_enabled(struct se_cmd *cmd) +static bool spc_rsoc_enabled(struct target_opcode_descriptor *descr, + struct se_cmd *cmd) { struct se_device *dev = cmd->se_dev; @@ -1936,7 +1943,8 @@ static struct target_opcode_descriptor tcm_opcode_report_supp_opcodes = { .enabled = spc_rsoc_enabled, }; -static bool tcm_is_set_tpg_enabled(struct se_cmd *cmd) +static bool tcm_is_set_tpg_enabled(struct target_opcode_descriptor *descr, + struct se_cmd *cmd) { struct t10_alua_tg_pt_gp *l_tg_pt_gp; struct se_lun *l_lun = cmd->se_lun; @@ -2123,7 +2131,7 @@ spc_rsoc_get_descr(struct se_cmd *cmd, struct target_opcode_descriptor **opcode) if (descr->serv_action_valid) return TCM_INVALID_CDB_FIELD; - if (!descr->enabled || descr->enabled(cmd)) + if (!descr->enabled || descr->enabled(descr, cmd)) *opcode = descr; break; case 0x2: @@ -2137,7 +2145,8 @@ spc_rsoc_get_descr(struct se_cmd *cmd, struct target_opcode_descriptor **opcode) */ if (descr->serv_action_valid && descr->service_action == requested_sa) { - if (!descr->enabled || descr->enabled(cmd)) + if (!descr->enabled || descr->enabled(descr, + cmd)) *opcode = descr; } else if (!descr->serv_action_valid) return TCM_INVALID_CDB_FIELD; @@ -2150,7 +2159,8 @@ spc_rsoc_get_descr(struct se_cmd *cmd, struct target_opcode_descriptor **opcode) * be returned in the one_command parameter data format. */ if (descr->service_action == requested_sa) - if (!descr->enabled || descr->enabled(cmd)) + if (!descr->enabled || descr->enabled(descr, + cmd)) *opcode = descr; break; } @@ -2207,7 +2217,7 @@ spc_emulate_report_supp_op_codes(struct se_cmd *cmd) for (i = 0; i < ARRAY_SIZE(tcm_supported_opcodes); i++) { descr = tcm_supported_opcodes[i]; - if (descr->enabled && !descr->enabled(cmd)) + if (descr->enabled && !descr->enabled(descr, cmd)) continue; response_length += spc_rsoc_encode_command_descriptor( diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h index 12c9ba16217e..04646b3dbf75 100644 --- a/include/target/target_core_base.h +++ b/include/target/target_core_base.h @@ -878,7 +878,8 @@ struct target_opcode_descriptor { u8 specific_timeout; u16 nominal_timeout; u16 recommended_timeout; - bool (*enabled)(struct se_cmd *cmd); + bool (*enabled)(struct target_opcode_descriptor *descr, + struct se_cmd *cmd); void (*update_usage_bits)(u8 *usage_bits, struct se_device *dev); u8 usage_bits[];