From nobody Thu Oct 2 12:05:11 2025 Received: from mailout1.samsung.com (mailout1.samsung.com [203.254.224.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 85A10332A4E for ; Wed, 17 Sep 2025 13:30:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=203.254.224.24 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758115859; cv=none; b=D0Oyh4Cs4eG5o0u+DBOrv83MoV6TqyK97q/J1Ys9c+ZhOjqwBqo2CdORG+bUkJ243AfS0fqJlQ46VAjCvI+TtaD38m/gXKSAFHilPr1tN/bsnMHBwlPLHi5TlMN/5qetvVpbjwloiHwbtiRgN9/KDUwYF07/wGeMsbscCGlw0us= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758115859; c=relaxed/simple; bh=8QH1l6WhkxI25RXDqtdyvnQAdOa9RFZNwZRhHLcA25w=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:MIME-Version: Content-Type:References; b=cuG/sFZi1Rxezp4IA6x0Tc13n3exRtRtye3B25PeSR+ScOfP7+zXihDJmM/1Sz57vzcWghtCxzdxiqEkgZDKYbv+7t6sdp6Q8CMHQcpCsTnrE6PZkyTqWFloiiAo44yikzbEN0ba79qekkpap8W5Nye8+tYmphQmrYs7K0hpt1g= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=samsung.com; spf=pass smtp.mailfrom=samsung.com; dkim=pass (1024-bit key) header.d=samsung.com header.i=@samsung.com header.b=F6SppoQ6; arc=none smtp.client-ip=203.254.224.24 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=samsung.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=samsung.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=samsung.com header.i=@samsung.com header.b="F6SppoQ6" Received: from epcas5p2.samsung.com (unknown [182.195.41.40]) by mailout1.samsung.com (KnoxPortal) with ESMTP id 20250917133055epoutp0111daaf5377172290fa6fddb0806b7080~mFQ5YrSKQ2275422754epoutp01V for ; Wed, 17 Sep 2025 13:30:55 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout1.samsung.com 20250917133055epoutp0111daaf5377172290fa6fddb0806b7080~mFQ5YrSKQ2275422754epoutp01V DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1758115855; bh=Lrv2ikBf3O5NwJGep2hXkTk6Ovkh45U+lUMsg7E/HGM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=F6SppoQ6zqK3agmGzWaKHMVMb9sHSofdrRQCanM/urKsT4lbgLnLzskWgcYPl5NvB /8Y6EXvgOWQkoP35cnWfdATGWb074O6MtUZ78tMZ08BzoYRHxxZ/X0PTbvl0iBmit/ JMTm0ErEJXdoxvbh9vbJeYsqt8aVzvE4jlaUBJGE= Received: from epsnrtp04.localdomain (unknown [182.195.42.156]) by epcas5p1.samsung.com (KnoxPortal) with ESMTPS id 20250917133055epcas5p12adfdfeaf0d37c59ff3b72b73709b05f~mFQ5IIK430665206652epcas5p1T; Wed, 17 Sep 2025 13:30:55 +0000 (GMT) Received: from epcas5p3.samsung.com (unknown [182.195.38.86]) by epsnrtp04.localdomain (Postfix) with ESMTP id 4cRfmG4p6dz6B9m5; Wed, 17 Sep 2025 13:30:54 +0000 (GMT) Received: from epsmtip1.samsung.com (unknown [182.195.34.30]) by epcas5p2.samsung.com (KnoxPortal) with ESMTPA id 20250917133054epcas5p2cd6ee7551c19bbf3aafcb27172703c59~mFQ32dm9y1088010880epcas5p2n; Wed, 17 Sep 2025 13:30:54 +0000 (GMT) Received: from test-PowerEdge-R740xd.samsungds.net (unknown [107.99.41.79]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20250917133053epsmtip1fcd3c56786f6e2f54706fb9800d5f815~mFQ2zknsR0457804578epsmtip1b; Wed, 17 Sep 2025 13:30:53 +0000 (GMT) From: Neeraj Kumar To: linux-cxl@vger.kernel.org, nvdimm@lists.linux.dev, linux-kernel@vger.kernel.org, gost.dev@samsung.com Cc: a.manzanares@samsung.com, vishak.g@samsung.com, neeraj.kernel@gmail.com, Neeraj Kumar Subject: [PATCH V3 17/20] cxl/pmem: Preserve region information into nd_set Date: Wed, 17 Sep 2025 18:59:37 +0530 Message-Id: <20250917132940.1566437-18-s.neeraj@samsung.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250917132940.1566437-1-s.neeraj@samsung.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CMS-MailID: 20250917133054epcas5p2cd6ee7551c19bbf3aafcb27172703c59 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" CMS-TYPE: 105P cpgsPolicy: CPGSC10-542,Y X-CFilter-Loop: Reflected X-CMS-RootMailID: 20250917133054epcas5p2cd6ee7551c19bbf3aafcb27172703c59 References: <20250917132940.1566437-1-s.neeraj@samsung.com> Save region information stored in cxlr to nd_set during cxl_pmem_region_probe in nd_set. This saved region information is being stored into LSA, which will be used for cxl region persistence Signed-off-by: Neeraj Kumar --- drivers/cxl/pmem.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/cxl/pmem.c b/drivers/cxl/pmem.c index e197883690ef..38a5bcdc68ce 100644 --- a/drivers/cxl/pmem.c +++ b/drivers/cxl/pmem.c @@ -377,6 +377,7 @@ static int cxl_pmem_region_probe(struct device *dev) struct nd_mapping_desc mappings[CXL_DECODER_MAX_INTERLEAVE]; struct cxl_pmem_region *cxlr_pmem =3D to_cxl_pmem_region(dev); struct cxl_region *cxlr =3D cxlr_pmem->cxlr; + struct cxl_region_params *p =3D &cxlr->params; struct cxl_nvdimm_bridge *cxl_nvb =3D cxlr->cxl_nvb; struct cxl_pmem_region_info *info =3D NULL; struct nd_interleave_set *nd_set; @@ -465,12 +466,12 @@ static int cxl_pmem_region_probe(struct device *dev) ndr_desc.num_mappings =3D cxlr_pmem->nr_mappings; ndr_desc.mapping =3D mappings; =20 - /* - * TODO enable CXL labels which skip the need for 'interleave-set cookie' - */ - nd_set->cookie1 =3D - nd_fletcher64(info, sizeof(*info) * cxlr_pmem->nr_mappings, 0); - nd_set->cookie2 =3D nd_set->cookie1; + nd_set->uuid =3D p->uuid; + nd_set->interleave_ways =3D p->interleave_ways; + nd_set->interleave_granularity =3D p->interleave_granularity; + nd_set->res =3D p->res; + nd_set->nr_targets =3D p->nr_targets; + ndr_desc.nd_set =3D nd_set; =20 cxlr_pmem->nd_region =3D --=20 2.34.1