From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f170.google.com (mail-pf1-f170.google.com [209.85.210.170]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EC3412253EB for ; Tue, 10 Jun 2025 10:46:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.170 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749552414; cv=none; b=Xo1y+H7kxHHmi9/JlXxjafzN2M6CteVa7HGnVaXy3moMgMnYZPobhOW8oV70ld02qHpDmPutt1P9QArSiDXEJB3ZeqmayjX8i2AFA1nmkWgsC3BF3ljKOEqG0pSNMmB1P8VoPrD/5j5TvLUcP1wTPjzD/KGUdXlTDzUJBmeHKCo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749552414; c=relaxed/simple; bh=rFU2UJPmZv4id90emePuWsRP9dfAuwHCWZzl/IU3wDY=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=i5+Om4p6tCNl48N0BQF58Emg43k0ZVCwV6ZJ7O2BGdySMkdoJ6hh1MvA7ech0d4PbWdNlRzLBJ+qv/s2R36DlWRxofaymredXf/CtX0omAC8fDYIs5gag1OCCC3dUgDT4zYY1cJmYg+63p4S9vqUK5guluX/Nbv07/9UBuyQre8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ventanamicro.com; spf=pass smtp.mailfrom=ventanamicro.com; dkim=pass (2048-bit key) header.d=ventanamicro.com header.i=@ventanamicro.com header.b=aBInlypV; arc=none smtp.client-ip=209.85.210.170 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ventanamicro.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ventanamicro.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ventanamicro.com header.i=@ventanamicro.com header.b="aBInlypV" Received: by mail-pf1-f170.google.com with SMTP id d2e1a72fcca58-7485bcb8b7cso1029883b3a.1 for ; Tue, 10 Jun 2025 03:46:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; t=1749552412; x=1750157212; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=h7MV4ZMTiUsINwR8be14xviGNX2303UWr44QeNbdncU=; b=aBInlypV6krwWqwYqPhiPDeIv8ArxgQoeKtsZfMW7o1aji+zlQxSt4gIbkuQsKRa5P zuXIIi9WjzmYniHWc2ddeYEuyGDGGoDM4flzIXFgTpXcjChNe7F1/Xr7HFSJPGk6qX/v zwzVHHX5CFGNWSTqpwdS8cnDtlL7nHKJwxmkH/RF898swbTGW13DtjlNQqiM5f/czn2k M6z0xOMsOqvDBNmgHg+Pg53MGDnUxFLftRuUl8S804TPsVtbub9+lzfxzkldGfUF6c9b YYfIWOs6qB/V1kJAo9J8y5+VKzZAeeFffacuYwFLlXYuZENesepqQ6cqyh3pXDvAVWmV Uqog== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1749552412; x=1750157212; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=h7MV4ZMTiUsINwR8be14xviGNX2303UWr44QeNbdncU=; b=FjQpSlcchcKH2FhoorgwnJfEo2xybeK5PU+ZRndfQReWEtMGx21rGZVwlNqnW5wwUB ANIqPifsnpAJdSNMc/O4V63dGaMBFozpgC3mXeMYDpd14VoNr5rJWTNyZGwPGEO2rYMG 8k6x1apR79+XCFwWDaCOkKLaJI6QkxHDoFcmaKeAf/2RgybO19szsyR6cFS/w5te56Yy laEH+LxZmRucXY1A6vQ1/2x9cY2ApM2WT0Y7wdXOx4eHV35vseOgo9Bqeojagu9TROeY J8Z+fN+f6X9fRtVFzLfIjTjsUQT5C5PccrpBJp1LA3zbh6Wj5VOCv4wlR4Tg1gwxupWb +vOQ== X-Forwarded-Encrypted: i=1; AJvYcCWEcgp8rfIqpYqht2gm8LoKuXNYUVhGpLPw1EZXrIutUb2855vx3I0uAeztFh0WIHWJG2cIIwBAVppW@vger.kernel.org X-Gm-Message-State: AOJu0YwPCFWKClyoRJkE1INRpjwE9fC/aT9v0GlheCAOb27zWfha4w2E nunq1AJ10777UXCPzNMUVl9tlzu4nJYPSo743K2FkyVQq1Awv/1Kxu0Kb2Vlewj9dh4= X-Gm-Gg: ASbGncsbt8yG7OxZ4ElFj5lnR4/9S8gAwXVpzIIW8NazB+b+PSvNLDcSMjWw7cgSNOq 4KG/YG+DutXCdKT+OuZyLailLfCCFuOeLQf1DLCYttjn3B036/awuilmE0Art23lWRcm0qE0A6N e8GPC8QpKwbhgzywhmq7TrZW5X2GDIIo5UQlsZrZGtXD2ulXYziFnO9DEBp2kQ98nXEM1a3NjtH qjETsR5rmBmKZZ8CLu1oLpxhNlGXIpEkZihDfeyGTGFiuQv2ZmT9DdftIfovYcNGqalnwiqaCBf ZX0RuTBphSBGnWlDne1MIPIlfykJLmaZPq77GVBB/9kSxDRvkxnJX+PtLYEOu1zhYtX/I/KVoWP 38z3LqY0= X-Google-Smtp-Source: AGHT+IHiwomQ11rrELOJ2Yf8/Tcge6XeBMEJudTG7v72UH6QPTwRLqU3OkHUxntGY1aE+8OCZaxGTQ== X-Received: by 2002:a05:6a00:10c2:b0:736:6d4d:ffa6 with SMTP id d2e1a72fcca58-748618a8e87mr2593505b3a.15.1749552412214; Tue, 10 Jun 2025 03:46:52 -0700 (PDT) Received: from sunil-pc.Dlink ([106.51.196.253]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7482b0842c0sm7152448b3a.73.2025.06.10.03.46.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Jun 2025 03:46:51 -0700 (PDT) From: Sunil V L To: linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-acpi@vger.kernel.org, iommu@lists.linux.dev Cc: Paul Walmsley , Palmer Dabbelt , Alexandre Ghiti , "Rafael J . Wysocki" , Len Brown , Tomasz Jeznach , Joerg Roedel , Will Deacon , Robin Murphy , Atish Kumar Patra , Anup Patel , Andrew Jones , Sunil V L Subject: [PATCH v2 0/3] RISC-V: Add ACPI support for IOMMU Date: Tue, 10 Jun 2025 16:16:38 +0530 Message-ID: <20250610104641.700940-1-sunilvl@ventanamicro.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This series adds support for RISC-V IOMMU on ACPI based platforms. RISC-V IO Mapping Table (RIMT) is a new static ACPI table [1] introduced to communicate IOMMU information to the OS. [1] - https://github.com/riscv-non-isa/riscv-acpi-rimt/releases/download/v1.0/rimt-spec.pdf Changes since v1: 1) Rebased to v6.16-rc1. 2) Dropped ACPICA patch since it is already available in 6.16-rc1. 3) Added Rafael's ACK. 4) Fixed few issues found by bots. Sunil V L (3): ACPI: RISC-V: Add support for RIMT ACPI: scan: Add support for RISC-V in acpi_iommu_configure_id() iommu/riscv: Add ACPI support MAINTAINERS | 1 + arch/riscv/Kconfig | 1 + drivers/acpi/Kconfig | 4 + drivers/acpi/riscv/Kconfig | 7 + drivers/acpi/riscv/Makefile | 1 + drivers/acpi/riscv/init.c | 2 + drivers/acpi/riscv/init.h | 1 + drivers/acpi/riscv/rimt.c | 523 +++++++++++++++++++++++++++ drivers/acpi/scan.c | 9 +- drivers/iommu/riscv/iommu-platform.c | 17 +- drivers/iommu/riscv/iommu.c | 10 + include/linux/acpi_rimt.h | 26 ++ 12 files changed, 599 insertions(+), 3 deletions(-) create mode 100644 drivers/acpi/riscv/Kconfig create mode 100644 drivers/acpi/riscv/rimt.c create mode 100644 include/linux/acpi_rimt.h -- 2.43.0 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 71B8EC5B552 for ; Tue, 10 Jun 2025 11:07:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=1c3TY69vVIEsj9wnnoLPRfA5gNYOCPu9YMyeiEMoDLQ=; b=q8Zhq16Ld1V12e 2GiITqH42SJjVI7XSNqEDBABtm9uIysn8cbFXtSxY3lOpjtUs1fH4hAlUu5BnMu1BBwudNwSZwGSS anK0YlTyeiL+Ag9bMR6gb/ezYLhx4vS+MNPq0W6oSXG068xYcrghzZYme3j4HwHixHsrMBsPrF6k9 kxur4t4Ld1h+D5LJ4/k98hn4OSRHkyD28XdNyH+GM7XOJPBgQ2Axkyln9NSdMdzpO4aACv0oQbZ9j wZdYF+FV0gL0WqY/YU9i6mv6vmsMcADFBg8aeQV/sekBuvGiOymD1IagjAt9R94m0iTk+lf5Ptxd0 OGgvHl+2jZ6AoYSzJ0Jw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uOwpa-00000006bxO-42Dk; Tue, 10 Jun 2025 11:07:50 +0000 Received: from mail-pf1-x434.google.com ([2607:f8b0:4864:20::434]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uOwVJ-00000006WrG-0Gzv for linux-riscv@lists.infradead.org; Tue, 10 Jun 2025 10:46:54 +0000 Received: by mail-pf1-x434.google.com with SMTP id d2e1a72fcca58-74849e33349so1908951b3a.3 for ; Tue, 10 Jun 2025 03:46:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; t=1749552412; x=1750157212; darn=lists.infradead.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=h7MV4ZMTiUsINwR8be14xviGNX2303UWr44QeNbdncU=; b=cmvOBSyyDhjLhDrTFssVONZV4nUr6th6/chVLWk0RFsWa4uuDvBVKcSmyk2Rgig8i2 7Yle+xKBVYBnmYRjtYTuiarXMCsOk1XqV297XtBf1O8e3E0JUUPHdQ4k1qQL8a0nXssS DhjygDHY3aWXg6G0FFkkmKE+Xz0QBRbB0ebh/U6OGMZBFp1Ld95nfE4RT6UZJyUeWR95 y968O2OH5p0wypsqMTn41zVmmiqgN9FtYShZtivYQi1ierVcgyhoD5wczP5Vpqy1I/1n BazMjQmdWgbzmakTfjlQDT+/DErkxLnqJHr/h5wzWNX7XLDyyCUlvcwZsDkfB7TDyor2 UMLg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1749552412; x=1750157212; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=h7MV4ZMTiUsINwR8be14xviGNX2303UWr44QeNbdncU=; b=FpEbv8UhT1lwc0uEstIgze14jq9lb/gRK6AaDM6pKg1BMtInhFfG/KlROV2OWzqkOQ CUaeyfukoehcYsNcoxwOXGeMTHMqFSfrzfFhm9PfGoit3Lu9p5kgmjn4mWw+BYGzB3eu fU4kz9RuRZ3dPYIM/VbHLrOtvGtF9B+EgfbqurjJhyds3S28MBawufApHj0ZWwa7n8Ds b81cjUzH/xWvGZZn6hC3rgQNq1iFDjIlSPA0OKw32AZptQIPy4xb/OBpG1m95FUAXi57 /xP9csWfVGbdEogWjP1Uw+ZmYsDAowcD61GqFgUuYiYyZT0a3E8fyFQSYYC0cOaDKIrS uqzw== X-Forwarded-Encrypted: i=1; AJvYcCVVYGHNZQU1cQKjORqgdvwdltwZ6TSZlPJsyo01hRcFrN+mIbtCqy8vCtx2FAiP16GQyC25aU01SQGnaw==@lists.infradead.org X-Gm-Message-State: AOJu0YzEgzhv+nXg3ReowrcUAR1Z6xIqL7DC+pzFOeomQl1GQkz2DwOb RXFuXJDk1yE3qF/b4rstWx/Kfei8fLxHxexlvl+nnVg4YSdxB2NdeiHMEoxzqXKur7c= X-Gm-Gg: ASbGncsJ0KAYzOv1Y9a7A5rm5xtZPD19g/CmdNzaTH7CFqMipiDaar70ty/rPXZD8SU 4fwsYGdweA1+gld34IePkx0my3fATKcggxSde8G7am7oaIxcwp6f11cEqcOKNXPX8J7tJ0b89Yj rS2XkqLbePjXY2TFbL9rDkKghFAtyoApJ5ovR7laF7EQmWOP/rrTMtDfh1l1Dq9Q21dBayWx7gL SwJMVzFcF+P7UCkCb6TKO8Qy1o6IFWeqvkm8kaGHFOwMMZEuYF+bgN93q4GCxRw1psXnycCCG44 Fk4UDALJqjbQ+dTioi2k9Jr8c6XFFFW5LXJrAwXm+mLYPxyK2BPPK8v+6teUGCMgMFyVtoU+GbB CvtU2B24= X-Google-Smtp-Source: AGHT+IHiwomQ11rrELOJ2Yf8/Tcge6XeBMEJudTG7v72UH6QPTwRLqU3OkHUxntGY1aE+8OCZaxGTQ== X-Received: by 2002:a05:6a00:10c2:b0:736:6d4d:ffa6 with SMTP id d2e1a72fcca58-748618a8e87mr2593505b3a.15.1749552412214; Tue, 10 Jun 2025 03:46:52 -0700 (PDT) Received: from sunil-pc.Dlink ([106.51.196.253]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7482b0842c0sm7152448b3a.73.2025.06.10.03.46.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Jun 2025 03:46:51 -0700 (PDT) From: Sunil V L To: linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-acpi@vger.kernel.org, iommu@lists.linux.dev Subject: [PATCH v2 0/3] RISC-V: Add ACPI support for IOMMU Date: Tue, 10 Jun 2025 16:16:38 +0530 Message-ID: <20250610104641.700940-1-sunilvl@ventanamicro.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250610_034653_128453_B5CF96DE X-CRM114-Status: GOOD ( 10.83 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Anup Patel , Tomasz Jeznach , Alexandre Ghiti , "Rafael J . Wysocki" , Robin Murphy , Joerg Roedel , Atish Kumar Patra , Palmer Dabbelt , Paul Walmsley , Andrew Jones , Will Deacon , Len Brown Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org This series adds support for RISC-V IOMMU on ACPI based platforms. RISC-V IO Mapping Table (RIMT) is a new static ACPI table [1] introduced to communicate IOMMU information to the OS. [1] - https://github.com/riscv-non-isa/riscv-acpi-rimt/releases/download/v1.0/rimt-spec.pdf Changes since v1: 1) Rebased to v6.16-rc1. 2) Dropped ACPICA patch since it is already available in 6.16-rc1. 3) Added Rafael's ACK. 4) Fixed few issues found by bots. Sunil V L (3): ACPI: RISC-V: Add support for RIMT ACPI: scan: Add support for RISC-V in acpi_iommu_configure_id() iommu/riscv: Add ACPI support MAINTAINERS | 1 + arch/riscv/Kconfig | 1 + drivers/acpi/Kconfig | 4 + drivers/acpi/riscv/Kconfig | 7 + drivers/acpi/riscv/Makefile | 1 + drivers/acpi/riscv/init.c | 2 + drivers/acpi/riscv/init.h | 1 + drivers/acpi/riscv/rimt.c | 523 +++++++++++++++++++++++++++ drivers/acpi/scan.c | 9 +- drivers/iommu/riscv/iommu-platform.c | 17 +- drivers/iommu/riscv/iommu.c | 10 + include/linux/acpi_rimt.h | 26 ++ 12 files changed, 599 insertions(+), 3 deletions(-) create mode 100644 drivers/acpi/riscv/Kconfig create mode 100644 drivers/acpi/riscv/rimt.c create mode 100644 include/linux/acpi_rimt.h -- 2.43.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv