{"id":2228539,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2228539/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-ide/patch/20260426190920.2051289-7-philpem@philpem.me.uk/","project":{"id":13,"url":"http://patchwork.ozlabs.org/api/1.2/projects/13/?format=json","name":"Linux IDE development","link_name":"linux-ide","list_id":"linux-ide.vger.kernel.org","list_email":"linux-ide@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260426190920.2051289-7-philpem@philpem.me.uk>","list_archive_url":null,"date":"2026-04-26T19:09:19","name":"[v3,6/7] scsi: scsi_devinfo: add COMPAQ PD-1 multi-LUN ATAPI device quirk","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"41285f19b9a759994b4df7009924a6be6a30da31","submitter":{"id":93108,"url":"http://patchwork.ozlabs.org/api/1.2/people/93108/?format=json","name":"Phil Pemberton","email":"philpem@philpem.me.uk"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-ide/patch/20260426190920.2051289-7-philpem@philpem.me.uk/mbox/","series":[{"id":501551,"url":"http://patchwork.ozlabs.org/api/1.2/series/501551/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-ide/list/?series=501551","date":"2026-04-26T19:09:18","name":"ata: libata-scsi: multi-LUN ATAPI device support","version":3,"mbox":"http://patchwork.ozlabs.org/series/501551/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2228539/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2228539/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-ide@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=philpem.me.uk header.i=@philpem.me.uk\n header.a=rsa-sha256 header.s=mail header.b=nshFi3cU;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c0a:e001:db::12fc:5321; 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a=rsa-sha256; c=relaxed/simple; d=philpem.me.uk;\n\ts=mail; t=1777230569;\n\tbh=1oZVA9rjnfl8CikmaeVN1WdSpPfh+pFNawRzT3Czi6A=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=nshFi3cUXeWvO8fp8pjjkZtanOQmq0laYdsvX1grBN9NXs/lI0SXaP2UEMmAU+kpZ\n\t LjmoT8q456A7P9RcfZzPQdhe01O357N6Jtn6+aTZldaCefsJFctKjADA9lQIxpn30n\n\t GV3cWmir6Io87sbkjzNdYil+T4CGXV5PmiORoD/g=","From":"Phil Pemberton ","To":"linux-ide@vger.kernel.org,\n\tlinux-scsi@vger.kernel.org","Cc":"linux-kernel@vger.kernel.org,\n\tDamien Le Moal ,\n\tNiklas Cassel ,\n\t\"James E . J . Bottomley\" ,\n\t\"Martin K . Petersen\" ,\n\tHannes Reinecke ,\n\tPhil Pemberton ","Subject":"[PATCH v3 6/7] scsi: scsi_devinfo: add COMPAQ PD-1 multi-LUN ATAPI\n device quirk","Date":"Sun, 26 Apr 2026 20:09:19 +0100","Message-ID":"<20260426190920.2051289-7-philpem@philpem.me.uk>","X-Mailer":"git-send-email 2.43.0","In-Reply-To":"<20260426190920.2051289-1-philpem@philpem.me.uk>","References":"<20260426190920.2051289-1-philpem@philpem.me.uk>","Precedence":"bulk","X-Mailing-List":"linux-ide@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit"},"content":"The COMPAQ PD-1 (OEM Panasonic/Matsushita LF-1195C) is a PD/CD combo\ndrive that exposes two ATAPI LUNs: LUN 0 is a CD-ROM (TYPE_ROM),\nLUN 1 is a 650 MB PD (TYPE_DISK).\n\nAdd it to the SCSI device list with:\n - BLIST_FORCELUN: tells the SCSI layer to scan past LUN 0\n - BLIST_SINGLELUN: serialises commands across the two LUNs, since\n the drive has a single transport and cannot handle concurrent\n operations on both\n - BLIST_NO_LUN_1F: the drive returns PQ=0/PDT=0x1f for unpopulated\n LUNs instead of PQ=3; this flag tells scsi_probe_and_add_lun()\n to silently skip them\n\nThe INQUIRY strings as reported by the device are:\n Vendor: \"COMPAQ \" (T10 format, space-padded)\n Product: \"PD-1\"\n\nSigned-off-by: Phil Pemberton \n---\n drivers/scsi/scsi_devinfo.c | 2 ++\n 1 file changed, 2 insertions(+)","diff":"diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c\nindex 68a992494b12..bfc2cbd43897 100644\n--- a/drivers/scsi/scsi_devinfo.c\n+++ b/drivers/scsi/scsi_devinfo.c\n@@ -150,6 +150,8 @@ static struct {\n \t{\"COMPAQ\", \"MSA1000\", NULL, BLIST_SPARSELUN | BLIST_NOSTARTONADD},\n \t{\"COMPAQ\", \"MSA1000 VOLUME\", NULL, BLIST_SPARSELUN | BLIST_NOSTARTONADD},\n \t{\"COMPAQ\", \"HSV110\", NULL, BLIST_REPORTLUN2 | BLIST_NOSTARTONADD},\n+\t{\"COMPAQ\", \"PD-1\", NULL, BLIST_FORCELUN | BLIST_SINGLELUN |\n+\t\t\t\t BLIST_NO_LUN_1F},\n \t{\"DDN\", \"SAN DataDirector\", \"*\", BLIST_SPARSELUN},\n \t{\"DEC\", \"HSG80\", NULL, BLIST_REPORTLUN2 | BLIST_NOSTARTONADD},\n \t{\"DELL\", \"PV660F\", NULL, BLIST_SPARSELUN},\n","prefixes":["v3","6/7"]}