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 X-Spam-Level: X-Spam-Status: No, score=-10.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D0A89C433DB for ; Thu, 21 Jan 2021 11:39:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 85A482222B for ; Thu, 21 Jan 2021 11:39:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729585AbhAULiX (ORCPT ); Thu, 21 Jan 2021 06:38:23 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40584 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728757AbhAULYi (ORCPT ); Thu, 21 Jan 2021 06:24:38 -0500 Received: from mail-pg1-x535.google.com (mail-pg1-x535.google.com [IPv6:2607:f8b0:4864:20::535]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6A72DC0613CF; Thu, 21 Jan 2021 03:23:58 -0800 (PST) Received: by mail-pg1-x535.google.com with SMTP id v19so1140129pgj.12; Thu, 21 Jan 2021 03:23:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=+dwMNQdsfc0B7LWCmiGdKrYTGwJcjbW3qAIMxL6EDkE=; b=q9jliqX0dMzwvBGgUDzDXXX02OOF2J6ETLKf+2D117zd2EQCM0xKHsPdgQbGJdIF3S xurB7KwcC3hKDLUPoLKLKsZ0LIIxp/f6TYeOJ6YMrL9oBq64v9th31GYDwlx3H1xfEUD MJmALiKZdEOjxT1L82ebbAfpoJQ6O8i/njTe0p6slk6ELGVKqM1KiUjLy1IH1fFidNJf CpvqvP1TMQgvqfUsFF0RlCKgMfMn0FSIkgayW3hfXDUKRC/PndIv9+AhMp9iIAHW6cYA 1EUhgwJWH+oEIe8g4niaNwqzfPpnlqvjKHwkFDyeuQulxuNbIoGXHRFQ7uLK/pUnzrgC jAJw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=+dwMNQdsfc0B7LWCmiGdKrYTGwJcjbW3qAIMxL6EDkE=; b=jyM3C1xXGu8PhPMUlT21O10v6S0Py9NNHIhMvCIv/nqbWWEY9ka7296WhMZTGn9AvM HtkNwfnt7rSbawpSbfu9O8chbI0OnBfioptvm8v3/N2hYJUMs3J0eNF9/Dgufho3ewL3 ei3xfsSOBz5p4/3JwE6XcAB+JtSXU7dVY2nz6I0896QUNn6J+X2B0ldMbW7uIWjjskz0 4+DbTValRFgokUUDvgzeplqteQ0hP21clOgUa9LCXchfWuNfx2EsyOwNWncuy+ixs4/1 5o/qArK7CYvbhilJ01tK5xtETTNZS9gSq90TQJH2eDmD7/R3upji+ZcniYj1TQkUsj2S 14ew== X-Gm-Message-State: AOAM530Sqd/gKBRrlvLI1YRWOORODotJKtUFyMZf4puQwWYi8CezN/Kp eqejNWm6RZu8OHDAlDFVMiw= X-Google-Smtp-Source: ABdhPJzaNQk/PFHKh9VY/S1vQeP4i13jG0pKQ/8GVEMht4sAJP3A6JAJSTgKyUmaGUP05XtFcW4uLw== X-Received: by 2002:a63:4851:: with SMTP id x17mr13776780pgk.451.1611228237897; Thu, 21 Jan 2021 03:23:57 -0800 (PST) Received: from ubt.spreadtrum.com ([117.18.48.82]) by smtp.gmail.com with ESMTPSA id me5sm5404797pjb.19.2021.01.21.03.23.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 21 Jan 2021 03:23:57 -0800 (PST) From: Chunyan Zhang To: Joerg Roedel , Rob Herring , Robin Murphy Cc: iommu@lists.linux-foundation.org, devicetree@vger.kernel.org, Baolin Wang , linux-kernel@vger.kernel.org, Orson Zhai , Chunyan Zhang , Sheng Xu , Kevin Tang , Chunyan Zhang Subject: [PATCH v1 0/2] Add Unisoc iommu basic driver Date: Thu, 21 Jan 2021 19:23:47 +0800 Message-Id: <20210121112349.421464-1-zhang.lyra@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Chunyan Zhang Changes since RFC v2: * Addressed Robin's comments: - Add COMPILE_TEST support; - Use DMA allocator for PTE; - Revised to avoid resource leak issue; - Added ->iotlb_sync implemented; - Moved iommu group allocation to probe; - Changed some function names to make them sprd specific; * Added support for more iommu instance; Changes since RFC v1: * Rebased on v5.11-rc1; * Changed sprd-iommu to tristate; * Removed check for args_count of iommu OF node, since there's no args for sprd-iommu device node; * Added another IP version (i.e. vau); * Removed unnecessary configs selection from CONFIG_SPRD_IOMMU; * Changed to get zeroed pages. Chunyan Zhang (2): dt-bindings: iommu: add bindings for sprd iommu iommu: add Unisoc iommu basic driver .../devicetree/bindings/iommu/sprd,iommu.yaml | 45 ++ drivers/iommu/Kconfig | 12 + drivers/iommu/Makefile | 1 + drivers/iommu/sprd-iommu.c | 566 ++++++++++++++++++ 4 files changed, 624 insertions(+) create mode 100644 Documentation/devicetree/bindings/iommu/sprd,iommu.yaml create mode 100644 drivers/iommu/sprd-iommu.c -- 2.25.1