From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2F685ECAAD2 for ; Mon, 29 Aug 2022 13:01:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229878AbiH2NBp (ORCPT ); Mon, 29 Aug 2022 09:01:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41044 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229469AbiH2NBU (ORCPT ); Mon, 29 Aug 2022 09:01:20 -0400 Received: from mail-pl1-x62f.google.com (mail-pl1-x62f.google.com [IPv6:2607:f8b0:4864:20::62f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 09EB644546 for ; Mon, 29 Aug 2022 05:52:51 -0700 (PDT) Received: by mail-pl1-x62f.google.com with SMTP id j5so4001487plj.5 for ; Mon, 29 Aug 2022 05:52:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc; bh=1h0GBYq+NzsJ/IQWpsMALuubNJw9yhw9UY7GXjQZX2I=; b=ly0bq1ZUCL2qcHcPFimIvf/jf2n+3ztJSeEDt76XL8nGh/7Vdfya9mlUMRvFnmI91M H3rOxCSe3ZGibiyt0eRCJF6ZwLecL22VRrXsa3aEPF4fVUjUb7hxhgVIBC8/h3ZEDNXe 0gATDU9hxpIdN5OfnsTvkFwfJTkedE0c3qjPjgjCV1YRKIdTwaVQphn547SHivwBniZl d42yw0AoFFgwUM74b7V+hpD7Lcbn3sMUu/X51qEpjwBqv4mvw2H/HIRwCNMa9oJFkudy kkIW3wvE4SUkCnDi/GPbL/d2yiHBIvrkdzbVYa+DULtsMycy6sjTKdFNbF0AIsQLKNhG LO9w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc; bh=1h0GBYq+NzsJ/IQWpsMALuubNJw9yhw9UY7GXjQZX2I=; b=mEJDQmuLYZcASdzTToE4GxWxnDULzknWOwCQCDD4b6wolXr2rspzwVq6CHkkQHa8+c PjB/A+KCabbt8nTjynT8qBbqjVUrEI+rpQ4dsnEM5De/yHTGSUfOezEq1CyfOR00hP8k QbDjzlM5ku7g42AkpcTdwfn9cJPxyUvlIPjQu/GpVf7/gO6OaeTRQnb9asiwqA0uMmUq BT34cRAlbW7zzBiBr3gTDRiSQEivMwrnraoBCSQzMmR7AVTQhid7PNg9CXMDoiKqVefd l6xQStC0mQtXzYf1nSZjCVrDWVc17/cO34Y8DtqpRqZtt45NMwh/wIRe0VTFXlZ7Wsb+ Zo3A== X-Gm-Message-State: ACgBeo1m+vVNMrIr9/3uqmPcdJxPkquDqY6uafaXAEnDYI6oA3mLy1SU 9TTuqK2ToAVDOwChHCcmFR363A== X-Google-Smtp-Source: AA6agR5GnXD87AIZDH/MOs+m0yJ9z56WeZdrn946KWQs2uuKa8c1y3AeCfRoXvhxEhTjciRVcdOgew== X-Received: by 2002:a17:90b:2745:b0:1fb:1666:80f6 with SMTP id qi5-20020a17090b274500b001fb166680f6mr18203726pjb.103.1661777570505; Mon, 29 Aug 2022 05:52:50 -0700 (PDT) Received: from anup-ubuntu64-vm.. ([171.76.81.110]) by smtp.gmail.com with ESMTPSA id a6-20020a170902ecc600b0016ed5266a5csm7517607plh.170.2022.08.29.05.52.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 29 Aug 2022 05:52:49 -0700 (PDT) From: Anup Patel To: Palmer Dabbelt , Paul Walmsley Cc: Atish Patra , Heiko Stuebner , Anup Patel , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Anup Patel Subject: [PATCH 0/4] Add PMEM support for RISC-V Date: Mon, 29 Aug 2022 18:22:22 +0530 Message-Id: <20220829125226.511564-1-apatel@ventanamicro.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The Linux NVDIMM PEM drivers require arch support to map and access the persistent memory device. This series adds RISC-V PMEM support using recently added Svpbmt and Zicbom support. These patches can also be found in riscv_pmem_v1 branch at: https://github.com/avpatel/linux.git Anup Patel (4): RISC-V: Fix ioremap_cache() and ioremap_wc() for systems with Svpbmt RISC-V: Move riscv_init_cbom_blocksize() to cacheflush.c RISC-V: Implement arch specific PMEM APIs RISC-V: Enable PMEM drivers arch/riscv/Kconfig | 1 + arch/riscv/configs/defconfig | 1 + arch/riscv/include/asm/cacheflush.h | 2 ++ arch/riscv/include/asm/io.h | 10 ++++++++ arch/riscv/include/asm/pgtable.h | 2 ++ arch/riscv/mm/Makefile | 1 + arch/riscv/mm/cacheflush.c | 37 +++++++++++++++++++++++++++++ arch/riscv/mm/dma-noncoherent.c | 36 ---------------------------- arch/riscv/mm/pmem.c | 21 ++++++++++++++++ 9 files changed, 75 insertions(+), 36 deletions(-) create mode 100644 arch/riscv/mm/pmem.c -- 2.34.1