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Mon, 15 Jun 2026 19:27:07 +0000 (GMT) Received: from smtpav06.dal12v.mail.ibm.com (smtpav06.dal12v.mail.ibm.com [10.241.53.105]) by smtprelay01.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 65FJR5Di787234 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 15 Jun 2026 19:27:05 GMT Received: from smtpav06.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 732A058055; Mon, 15 Jun 2026 19:27:05 +0000 (GMT) Received: from smtpav06.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 8E4BD58059; Mon, 15 Jun 2026 19:27:04 +0000 (GMT) Received: from [9.61.95.246] (unknown [9.61.95.246]) by smtpav06.dal12v.mail.ibm.com (Postfix) with ESMTP; Mon, 15 Jun 2026 19:27:04 +0000 (GMT) Message-ID: <55fd8413-34d6-4dda-8a65-1aefaa8585e6@linux.ibm.com> Date: Mon, 15 Jun 2026 12:27:03 -0700 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 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 4/7] ibmvfc: define asynchronous sub-queue To: davemarq@linux.ibm.com, "James E.J. Bottomley" , "Martin K. Petersen" , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , "Christophe Leroy (CS GROUP)" Cc: linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Brian King , Greg Joyce , Kyle Mahlkuch References: <20260608-ibmvfc-fpin-support-v2-0-d41f540fba5c@linux.ibm.com> <20260608-ibmvfc-fpin-support-v2-4-d41f540fba5c@linux.ibm.com> Content-Language: en-US From: Tyrel Datwyler In-Reply-To: <20260608-ibmvfc-fpin-support-v2-4-d41f540fba5c@linux.ibm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Proofpoint-Spam-Info: AW1haW4tMjYwNjE1MDIwNCBTYWx0ZWRfX58KeYWOrkyNA kNYC+H+ZCHulPiQggCswIIBYGUkebEYSsXW4+nIlEr57S/KqzJXykOPGHdlcydF1QiZjjEx6EDK +Hbj3vFG1WFHUI6u2+VNt6vJBkBF/zY= X-Proofpoint-ORIG-GUID: PDl5QFKKL4gsMVvQqm1R_zeS8oqclSSu X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjE1MDIwNCBTYWx0ZWRfX9nPU2nS5PkYH DI+Psw/3ek0po7bK1yYCgMqO1HTSfPkVKdAWgF1ZWGAWzhnabw871KVJ/YfJpySiRDptzZHIhBR feoywxjiyD658FKGacgiM4RQMMnA+C14mY99BtlnIOfgLtlUa8hvoLA0QaiuTeny9WKp0CzbGeX OAnwJKMK0bFsfk4w9YJGTsnyB6vUtdNZuYP7izBtavXSUVEyVYJdEya7sXvRX228ueb5/rKUxYY zbmhR1U77CmgNJR7e1Gk+kdnAcW4R/ONdOUWeeCuIBSeEA/rhiHjFGPa7/6abRm7Nf+we1tzszZ osHSrGleiOz7mD5md1coBvUYxZO39MAFtlxJ1FpsOGV2nRQva065qyqXGtLUTcl55OjcP6/80JD nnGra7ZG4DT+2UrTsfs577oYNAM1jnSBMhSYxqKqKJIuw+/3YsooDS9ay6K8RUBMyUdtHGez83k TZrLVXDoGTfr72QBBgg== X-Authority-Analysis: v=2.4 cv=U9uiy+ru c=1 sm=1 tr=0 ts=6a30520c cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=uAbxVGIbfxUO_5tXvNgY:22 a=VnNF1IyMAAAA:8 a=0_Hg0MBJ2Sj-jJcl_T4A:9 a=QEXdDO2ut3YA:10 X-Proofpoint-GUID: TTTaU4K14aRKthogn8fZfIzEukUShl4M X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-15_05,2026-06-15_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 impostorscore=0 bulkscore=0 phishscore=0 priorityscore=1501 clxscore=1015 adultscore=0 malwarescore=0 suspectscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606040000 definitions=main-2606150204 On 6/8/26 11:30 AM, Dave Marquardt via B4 Relay wrote: > From: Dave Marquardt > > Adds the asynchronous sub-queue structure, modifies the existing > channel setup structure, adds the asynchronous sub-queue to the > channels structure, and adds flags needed to tell VIOS to use the > sub-queue. > --- > drivers/scsi/ibmvscsi/ibmvfc.h | 26 +++++++++++++++++++++++++- > 1 file changed, 25 insertions(+), 1 deletion(-) > > diff --git a/drivers/scsi/ibmvscsi/ibmvfc.h b/drivers/scsi/ibmvscsi/ibmvfc.h > index c996b36d335d..f026f30f98d3 100644 > --- a/drivers/scsi/ibmvscsi/ibmvfc.h > +++ b/drivers/scsi/ibmvscsi/ibmvfc.h > @@ -181,6 +181,8 @@ struct ibmvfc_npiv_login { > #define IBMVFC_CAN_HANDLE_FPIN 0x04 > #define IBMVFC_CAN_USE_MAD_VERSION 0x08 > #define IBMVFC_CAN_SEND_VF_WWPN 0x10 > +#define IBMVFC_YES_SCSI 0x40 > +#define IBMVFC_USE_ASYNC_SUBQ 0x100 > #define IBMVFC_CAN_USE_NOOP_CMD 0x200 > __be64 node_name; > struct srp_direct_buf async; > @@ -229,6 +231,7 @@ struct ibmvfc_npiv_login_resp { > #define IBMVFC_HANDLE_VF_WWPN 0x40 > #define IBMVFC_CAN_SUPPORT_CHANNELS 0x80 > #define IBMVFC_SUPPORT_SCSI 0x200 > +#define IBMVFC_SUPPORT_ASYNC_SUBQ 0x800 > #define IBMVFC_SUPPORT_NOOP_CMD 0x1000 > __be32 max_cmds; > __be32 scsi_id_sz; > @@ -563,7 +566,7 @@ struct ibmvfc_channel_setup_mad { > struct srp_direct_buf buffer; > } __packed __aligned(8); > > -#define IBMVFC_MAX_CHANNELS 502 > +#define IBMVFC_MAX_CHANNELS 501 > > struct ibmvfc_channel_setup { > __be32 flags; > @@ -578,6 +581,7 @@ struct ibmvfc_channel_setup { > struct srp_direct_buf buffer; > __be64 reserved2[5]; > __be64 channel_handles[IBMVFC_MAX_CHANNELS]; > + __be64 asyncSubqHandle; No camelCase please. Kernel style prefers snake_case. Something like async_sub_crq_handle for consistency. -Tyrel