From nobody Tue Dec 2 02:43:32 2025 Received: from mailout2.samsung.com (mailout2.samsung.com [203.254.224.25]) (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 C1CA53321D9 for ; Wed, 19 Nov 2025 07:53:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=203.254.224.25 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763538826; cv=none; b=imR9zJ7VdTvnmYx42WZ4ixteJMsv3mXzYp8aPS1k1IynHq57ob9d/g1W0e/SKfvjHK8Vyo+pKcvWehyYlQOC2qlh0azkve9YbOnpF66BEGuIEapzGkik8z7GBoVt4iQALfJoY4G+xObvzcqeTLhRbjnP7Ue9YgzZzDG3CtbP8Dc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763538826; c=relaxed/simple; bh=AfBioUf1IVGmsSD9OMFKz6qxSlMnB+8ca3YxyO/ofIg=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:MIME-Version: Content-Type:References; b=lSyzwI9Vm5TOI7T1iT9pa5Wi8c93LsmplacTvsEnmESAFNoXQR1WpjNY/VHEI+La+c4snydyLEETnJM4SDMhObqBX0zSBDoW8hBt6FlbZDYQj7bDAei6D4SnH+TbaLZ7EIWrj23jwBjBbt3K1qZYyv8zYmlYqs7O7XNZ6UL70Ro= 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=hY77iF0e; arc=none smtp.client-ip=203.254.224.25 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="hY77iF0e" Received: from epcas5p1.samsung.com (unknown [182.195.41.39]) by mailout2.samsung.com (KnoxPortal) with ESMTP id 20251119075342epoutp02708282835385d38a4c2a8714ae089642~5WTc6oLVi2685926859epoutp02T for ; Wed, 19 Nov 2025 07:53:42 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout2.samsung.com 20251119075342epoutp02708282835385d38a4c2a8714ae089642~5WTc6oLVi2685926859epoutp02T DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1763538822; bh=r0m+fwZmxBJRaLlXaZy9HJnLDXtt5ZcCqrXivVZfU+A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hY77iF0erohl6xADWuqvn/YGgcnhyaFJrGvaCQM+qqZN7UtJ8bLSPPEw+p4lt1cxX Jo387QyIlHJlt+mMaYKN0zzfsdkgO5HzHID50Vntv9QgGZZuSRQOZEKYFuGrcHdZ6W G7NE7e3Z/Altz1oCp3whEqiIyChJwDaz0DicKjpQ= Received: from epsnrtp03.localdomain (unknown [182.195.42.155]) by epcas5p4.samsung.com (KnoxPortal) with ESMTPS id 20251119075342epcas5p4dd7beb63b638e948d29f40cdf11d0b33~5WTcTUDLS0326403264epcas5p42; Wed, 19 Nov 2025 07:53:42 +0000 (GMT) Received: from epcas5p2.samsung.com (unknown [182.195.38.89]) by epsnrtp03.localdomain (Postfix) with ESMTP id 4dBDJ50yVKz3hhTH; Wed, 19 Nov 2025 07:53:41 +0000 (GMT) Received: from epsmtip1.samsung.com (unknown [182.195.34.30]) by epcas5p4.samsung.com (KnoxPortal) with ESMTPA id 20251119075340epcas5p42d0fa80388af654dff0da088fb3e978c~5WTa9Nc1d1043810438epcas5p4K; Wed, 19 Nov 2025 07:53:40 +0000 (GMT) Received: from test-PowerEdge-R740xd.samsungds.net (unknown [107.99.41.79]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20251119075339epsmtip142b837a41fae8a18ee46218eb6f63495~5WTZ33uH82573225732epsmtip1I; Wed, 19 Nov 2025 07:53:39 +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 V4 17/17] cxl/pmem: Add CXL LSA 2.1 support in cxl pmem Date: Wed, 19 Nov 2025 13:22:55 +0530 Message-Id: <20251119075255.2637388-18-s.neeraj@samsung.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251119075255.2637388-1-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: 20251119075340epcas5p42d0fa80388af654dff0da088fb3e978c 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: 20251119075340epcas5p42d0fa80388af654dff0da088fb3e978c References: <20251119075255.2637388-1-s.neeraj@samsung.com> Add support of CXL LSA 2.1 using NDD_REGION_LABELING flag. It creates cxl region based on region information parsed from LSA Signed-off-by: Neeraj Kumar Reviewed-by: Dave Jiang --- drivers/cxl/pmem.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/cxl/pmem.c b/drivers/cxl/pmem.c index a6eba3572090..5970d1792be8 100644 --- a/drivers/cxl/pmem.c +++ b/drivers/cxl/pmem.c @@ -135,6 +135,7 @@ static int cxl_nvdimm_probe(struct device *dev) return rc; =20 set_bit(NDD_LABELING, &flags); + set_bit(NDD_REGION_LABELING, &flags); set_bit(NDD_REGISTER_SYNC, &flags); set_bit(ND_CMD_GET_CONFIG_SIZE, &cmd_mask); set_bit(ND_CMD_GET_CONFIG_DATA, &cmd_mask); @@ -155,6 +156,7 @@ static int cxl_nvdimm_probe(struct device *dev) return -ENOMEM; =20 dev_set_drvdata(dev, nvdimm); + create_pmem_region(nvdimm); return devm_add_action_or_reset(dev, unregister_nvdimm, nvdimm); } =20 --=20 2.34.1