From patchwork Fri Oct 25 04:47:05 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alastair D'Silva X-Patchwork-Id: 11211323 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C129013B1 for ; Fri, 25 Oct 2019 04:51:21 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 8A66A222BD for ; Fri, 25 Oct 2019 04:51:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8A66A222BD Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=au1.ibm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id C75FE6B0006; Fri, 25 Oct 2019 00:51:20 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id C4D8C6B000C; Fri, 25 Oct 2019 00:51:20 -0400 (EDT) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B3C0D6B000D; Fri, 25 Oct 2019 00:51:20 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0066.hostedemail.com [216.40.44.66]) by kanga.kvack.org (Postfix) with ESMTP id 90E0B6B0006 for ; Fri, 25 Oct 2019 00:51:20 -0400 (EDT) Received: from smtpin18.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with SMTP id 4CED4688F for ; Fri, 25 Oct 2019 04:51:20 +0000 (UTC) X-FDA: 76081083120.18.river36_b9b9fa77c35a X-Spam-Summary: 2,0,0,4abc6b93311f2121,d41d8cd98f00b204,alastair@au1.ibm.com,:alastair@d-silva.org:benh@kernel.crashing.org:paulus@samba.org:mpe@ellerman.id.au:fbarrat@linux.ibm.com:ajd@linux.ibm.com:arnd@arndb.de:gregkh@linuxfoundation.org:dan.j.williams@intel.com:vishal.l.verma@intel.com:dave.jiang@intel.com:keith.busch@intel.com:ira.weiny@intel.com:geert+renesas@glider.be:anton@ozlabs.org:krzk@kernel.org:hegdevasant@linux.vnet.ibm.com:david@gibson.dropbear.id.au:hbathini@linux.ibm.com:allison@lohutok.net:anju@linux.vnet.ibm.com:mahesh@linux.vnet.ibm.com:clg@kaod.org:tglx@linutronix.de:groug@kaod.org:npiggin@gmail.com:yamada.masahiro@socionext.com:aik@ozlabs.ru:akpm@linux-foundation.org:david@redhat.com:osalvador@suse.com:mhocko@suse.com:pasha.tatashin@soleen.com:richard.weiyang@gmail.com:cai@lca.pw:linuxppc-dev@lists.ozlabs.org:linux-kernel@vger.kernel.org:linux-nvdimm@lists.01.org:,RULES_HIT:41:355:379:541:800:960:973:988:989:1260:1261:1311:1314:1345:1359:1431:1437:1515:1 535:1541 X-HE-Tag: river36_b9b9fa77c35a X-Filterd-Recvd-Size: 6353 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by imf09.hostedemail.com (Postfix) with ESMTP for ; Fri, 25 Oct 2019 04:51:19 +0000 (UTC) Received: from pps.filterd (m0098409.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x9P4lcWO035587 for ; Fri, 25 Oct 2019 00:51:18 -0400 Received: from e06smtp03.uk.ibm.com (e06smtp03.uk.ibm.com [195.75.94.99]) by mx0a-001b2d01.pphosted.com with ESMTP id 2vus29t4ep-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Fri, 25 Oct 2019 00:51:18 -0400 Received: from localhost by e06smtp03.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Fri, 25 Oct 2019 05:51:06 +0100 Received: from d06av22.portsmouth.uk.ibm.com (d06av22.portsmouth.uk.ibm.com [9.149.105.58]) by b06cxnps4074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x9P4p5Ja27918530 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 25 Oct 2019 04:51:05 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B9EE44C040; Fri, 25 Oct 2019 04:51:05 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 60D7C4C050; Fri, 25 Oct 2019 04:51:05 +0000 (GMT) Received: from ozlabs.au.ibm.com (unknown [9.192.253.14]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTP; Fri, 25 Oct 2019 04:51:05 +0000 (GMT) Received: from adsilva.ozlabs.ibm.com (haven.au.ibm.com [9.192.254.114]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.au.ibm.com (Postfix) with ESMTPSA id A95EAA0147; Fri, 25 Oct 2019 15:51:03 +1100 (AEDT) From: "Alastair D'Silva" To: alastair@d-silva.org Cc: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Frederic Barrat , Andrew Donnellan , Arnd Bergmann , Greg Kroah-Hartman , Dan Williams , Vishal Verma , Dave Jiang , Keith Busch , Ira Weiny , Geert Uytterhoeven , Anton Blanchard , Krzysztof Kozlowski , Vasant Hegde , David Gibson , Hari Bathini , Allison Randal , Anju T Sudhakar , Mahesh Salgaonkar , =?utf-8?q?C=C3=A9dric_Le_Goa?= =?utf-8?q?ter?= , Thomas Gleixner , Greg Kurz , Nicholas Piggin , Masahiro Yamada , Alexey Kardashevskiy , Andrew Morton , David Hildenbrand , Oscar Salvador , Michal Hocko , Pavel Tatashin , Wei Yang , Qian Cai , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-nvdimm@lists.01.org, linux-mm@kvack.org Subject: [PATCH 10/10] ocxl: Conditionally bind SCM devices to the generic OCXL driver Date: Fri, 25 Oct 2019 15:47:05 +1100 X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191025044721.16617-1-alastair@au1.ibm.com> References: <20191025044721.16617-1-alastair@au1.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 x-cbid: 19102504-0012-0000-0000-0000035D3A48 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19102504-0013-0000-0000-000021986F40 Message-Id: <20191025044721.16617-11-alastair@au1.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-10-25_02:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=929 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1910250045 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: Alastair D'Silva This patch allows the user to bind OpenCAPI SCM devices to the generic OCXL driver. Signed-off-by: Alastair D'Silva --- drivers/misc/ocxl/Kconfig | 7 +++++++ drivers/misc/ocxl/pci.c | 3 +++ 2 files changed, 10 insertions(+) diff --git a/drivers/misc/ocxl/Kconfig b/drivers/misc/ocxl/Kconfig index 1916fa65f2f2..8a683715c97c 100644 --- a/drivers/misc/ocxl/Kconfig +++ b/drivers/misc/ocxl/Kconfig @@ -29,3 +29,10 @@ config OCXL dedicated OpenCAPI link, and don't follow the same protocol. If unsure, say N. + +config OCXL_SCM_GENERIC + bool "Treat OpenCAPI Storage Class Memory as a generic OpenCAPI device" + default n + help + Select this option to treat OpenCAPI Storage Class Memory + devices an generic OpenCAPI devices. diff --git a/drivers/misc/ocxl/pci.c b/drivers/misc/ocxl/pci.c index cb920aa88d3a..7137055c1883 100644 --- a/drivers/misc/ocxl/pci.c +++ b/drivers/misc/ocxl/pci.c @@ -10,6 +10,9 @@ */ static const struct pci_device_id ocxl_pci_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_IBM, 0x062B), }, +#ifdef CONFIG_OCXL_SCM_GENERIC + { PCI_DEVICE(PCI_VENDOR_ID_IBM, 0x0625), }, +#endif { } }; MODULE_DEVICE_TABLE(pci, ocxl_pci_tbl);