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Tue, 8 Oct 2024 02:04:43 GMT Received: from pps.reinject (localhost [127.0.0.1]) by iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTPS id 422uw6k8aa-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 08 Oct 2024 02:04:43 +0000 Received: from iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 49824dJ3004476; Tue, 8 Oct 2024 02:04:43 GMT Received: from mnc-mac.us.oracle.com (dhcp-10-39-198-64.vpn.oracle.com [10.39.198.64]) by iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTP id 422uw6k87u-7; Tue, 08 Oct 2024 02:04:43 +0000 From: Mike Christie To: martin.petersen@oracle.com, linux-scsi@vger.kernel.org, target-devel@vger.kernel.org Cc: Mike Christie Subject: [PATCH 6/7] scsi: target: Add WRITE_ATOMIC_16 support to RSOC Date: Mon, 7 Oct 2024 21:03:15 -0500 Message-ID: <20241008020437.78788-7-michael.christie@oracle.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20241008020437.78788-1-michael.christie@oracle.com> References: <20241008020437.78788-1-michael.christie@oracle.com> Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1051,Hydra:6.0.680,FMLib:17.12.62.30 definitions=2024-10-08_01,2024-10-07_01,2024-09-30_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 malwarescore=0 suspectscore=0 mlxscore=0 phishscore=0 adultscore=0 spamscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2409260000 definitions=main-2410080011 X-Proofpoint-GUID: _XVsRFTuZud2TDsqajHNNI03RkHFfLZS X-Proofpoint-ORIG-GUID: _XVsRFTuZud2TDsqajHNNI03RkHFfLZS This has us report if the device supports WRITE_ATOMIC_16 in the REPORT_SUPPORTED_OPERATION_CODES command. Signed-off-by: Mike Christie --- drivers/target/target_core_spc.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c index ce5eec5c8b8a..3c28b0ec5daf 100644 --- a/drivers/target/target_core_spc.c +++ b/drivers/target/target_core_spc.c @@ -1470,6 +1470,24 @@ static struct target_opcode_descriptor tcm_opcode_write_same32 = { .update_usage_bits = set_dpofua_usage_bits32, }; +static bool tcm_is_atomic_enabled(struct target_opcode_descriptor *descr, + struct se_cmd *cmd) +{ + return cmd->se_dev->dev_attrib.atomic_supported; +} + +static struct target_opcode_descriptor tcm_opcode_write_atomic16 = { + .support = SCSI_SUPPORT_FULL, + .opcode = WRITE_ATOMIC_16, + .cdb_size = 16, + .usage_bits = {WRITE_ATOMIC_16, 0xf8, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, SCSI_GROUP_NUMBER_MASK, SCSI_CONTROL_MASK}, + .enabled = tcm_is_atomic_enabled, + .update_usage_bits = set_dpofua_usage_bits, +}; + static bool tcm_is_caw_enabled(struct target_opcode_descriptor *descr, struct se_cmd *cmd) { @@ -2026,6 +2044,7 @@ static struct target_opcode_descriptor *tcm_supported_opcodes[] = { &tcm_opcode_write16, &tcm_opcode_write_verify16, &tcm_opcode_write_same32, + &tcm_opcode_write_atomic16, &tcm_opcode_compare_write, &tcm_opcode_read_capacity, &tcm_opcode_read_capacity16,