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Thu, 23 Jul 2026 00:02:02 +0000 (GMT) Received: from smtpav03.dal12v.mail.ibm.com (smtpav03.dal12v.mail.ibm.com [10.241.53.102]) by smtprelay02.dal12v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 66N021xs58982878 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 23 Jul 2026 00:02:01 GMT Received: from smtpav03.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id ADDB258061; Thu, 23 Jul 2026 00:02:01 +0000 (GMT) Received: from smtpav03.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 1207D58056; Thu, 23 Jul 2026 00:02:01 +0000 (GMT) Received: from li-4c4c4544-0054-3910-8039-c3c04f423534.ibm.com.com (unknown [9.61.118.58]) by smtpav03.dal12v.mail.ibm.com (Postfix) with ESMTP; Thu, 23 Jul 2026 00:02:00 +0000 (GMT) From: Tyrel Datwyler To: james.bottomley@hansenpartnership.com, martin.petersen@oracle.com Cc: linux-scsi@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, brking@linux.ibm.com, davemarq@linux.ibm.com, Tyrel Datwyler Subject: [PATCH v2 11/33] ibmvfc: add wrapper to get vhost associated with a channel struct Date: Wed, 22 Jul 2026 17:01:27 -0700 Message-ID: <20260723000149.969416-12-tyreld@linux.ibm.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260723000149.969416-1-tyreld@linux.ibm.com> References: <20260723000149.969416-1-tyreld@linux.ibm.com> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: BhCmXeIcrOEyCkim8HofqM-Y156p43W_ X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzIyMDIzNCBTYWx0ZWRfX63hp360X0nrj OjHi2juBkPQHqVnt+Ty6MkVlsT6EvJVHV6qUN9yRjb1wSV35MR0eLMC1O5cNdxnMBhEZ9sufPfR tv3BgU0IEdWtro3qspAZVYTu2MdzBJBjl12eDc+/XxQui2kDDyfwY7way2V861/rWH5p3Cm8LQb C1kXjouBkv53QNcg2kiKB0N2VVkpqoXdJUukoOEd7zOGzhg/69S9VUtU+OMPWWGwW9hK24jggs5 pOF01s83wgvZL34YwOfI49DZV0xGSdy8qg59pDEDZxV0pZQqpWsz9o5ArkzMBDy4jiHl0bZu51j VeR+dNJZ7fMYN+fhZXi4UzoLdz0e3GYZV9vZZNlchkJxoT+6fYgtOuC8cl1bNNkOh9r68lxHx3V 4kXUgkZd+/XTzNO8gnSJGBabuEBJV1b5mTSSeQSZJYX6r/TczlpkO0TdNMNheKmQAZJwpa0uEuI oqyarZhu93vBlDKTkHQ== X-Proofpoint-Spam-Info: AW1haW4tMjYwNzIyMDIzNCBTYWx0ZWRfX4vfywXRGGBJS 72CQHHNb8scDV6SKy4o2kYnwMf80/4e3HTVPj1QxkZ7UWtC7DNgM9HQfz82XoOTLm/Jxbp+cK6M AdtD5db0Wo7wXoYeuVJH9r/YcvVgWcI= X-Proofpoint-GUID: BhCmXeIcrOEyCkim8HofqM-Y156p43W_ X-Authority-Analysis: v=2.4 cv=SM5ykuvH c=1 sm=1 tr=0 ts=6a6159fb cx=c_pps a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17 a=RAioF0-LDSMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=RzCfie-kr_QcCd8fBx8p:22 a=VnNF1IyMAAAA:8 a=LqRknZQVlxeFVEtwFW4A:9 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-22_05,2026-07-22_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 lowpriorityscore=0 bulkscore=0 suspectscore=0 adultscore=0 spamscore=0 malwarescore=0 priorityscore=1501 phishscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607220234 Add ibmvfc_channels_to_vhost() to recover the parent struct ibmvfc_host from a protocol-specific struct ibmvfc_channels. Later patches need to operate on either the SCSI or NVMe channel group and still access host-wide state such as the primary CRQ, device, and logging context. Centralize that mapping in a helper instead of open- coding container lookups at each call site. Signed-off-by: Tyrel Datwyler --- drivers/scsi/ibmvscsi/ibmvfc.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/scsi/ibmvscsi/ibmvfc.h b/drivers/scsi/ibmvscsi/ibmvfc.h index 454968de925b..67f546ff092e 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.h +++ b/drivers/scsi/ibmvscsi/ibmvfc.h @@ -1011,6 +1011,16 @@ struct ibmvfc_host { wait_queue_head_t work_wait_q; }; +static inline struct ibmvfc_host *ibmvfc_channels_to_vhost(struct ibmvfc_channels *channels) +{ + if (channels->protocol == IBMVFC_PROTO_SCSI) + return container_of(channels, struct ibmvfc_host, scsi_scrqs); + else if (channels->protocol == IBMVFC_PROTO_NVME) + return container_of(channels, struct ibmvfc_host, nvme_scrqs); + + return NULL; +} + #define DBG_CMD(CMD) do { if (ibmvfc_debug) CMD; } while (0) #define tgt_dbg(t, fmt, ...) \ -- 2.55.0