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 64348C5AC67 for ; Thu, 6 Aug 2026 11:54:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Ha9LLQG1ctYaUnh+KJBwsvLh8iHyjbB8c3vr8YZ9ipY=; b=uGgR7M6JP5la0XR9rbSZDEPdGZ pJgngSdO2qzYSab4b2ial+Lz+FVgNFj0whkTaHJNTWY05C2LzzSKWoLD69pIl9lM+Fs4OedCXQHXd XH5vLhD5y4w7maiTyNcg+UAtd8bW7zx5Db1QLYM4DanUrZjyS8bh0QcouaKx55GmKJbbO2W+fsWt0 f5ALIhM8so0WXMkokJ1yYLN12qIkBE/6DlPzWNV/KifDlCehURGm9WSU0OJzfFRCPq7axl2o8/fO8 Lxr/pxK35aCouv3YvdmDHrTjNlcAMF6rCHqYJlP8/P7ANrkszlFeBKGWNaCPRdujjYlx0fNQ41m7w 2ZUDNB3Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wrwfX-00000005h2Q-2UFn; Thu, 06 Aug 2026 11:53:51 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wrwfW-00000005h23-2Ul3 for linux-arm-kernel@lists.infradead.org; Thu, 06 Aug 2026 11:53:50 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 2EF0340739; Thu, 6 Aug 2026 11:53:49 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 92D211F000E9; Thu, 6 Aug 2026 11:53:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786017229; bh=Ha9LLQG1ctYaUnh+KJBwsvLh8iHyjbB8c3vr8YZ9ipY=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=ZNkfoXMZcZHCu2ZfT6ItuDYzqtpkX8eie7e5teFukbHUWm3LLo7KnuwGS2cRytXQp wJcwXIYRevuo9dlvME3LVxYFlVu0GysdkHvjYU5DZ/JOmn/8kLD6g/ej6vXMQCT313 V9IakhR+Wrbue9AdLR8PeIL3k9PrbI5nVhq8cS8Xy8lXviNVMPz45a8d4MSDvy7fXU nOlp0bTKjcnBf7TsGfsHkstxHkTvsQaLgsDHFqCSRJIMfI6XSnczkKn0ncLYZieKBf 7X2vGsn+wtPnzLlscpTsz5jHklLp78zmLuUzlI2DzjlIHEYKM4Edw0m2Q/K79FdLls O2/TnQ9Iid+vQ== Date: Thu, 6 Aug 2026 12:53:41 +0100 From: Will Deacon To: Steven Price Cc: kvm@vger.kernel.org, kvmarm@lists.linux.dev, Catalin Marinas , Marc Zyngier , James Morse , Oliver Upton , Suzuki K Poulose , Zenghui Yu , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Joey Gouly , Alexandru Elisei , Christoffer Dall , Fuad Tabba , linux-coco@lists.linux.dev, Ganapatrao Kulkarni , Gavin Shan , Shanker Donthineni , Alper Gun , "Aneesh Kumar K . V" , Emi Kisanuki , Vishal Annapurve , WeiLin.Chang@arm.com, Lorenzo Pieralisi Subject: Re: [PATCH 2/6] firmware: arm_rmm: Add wrappers for direct RMI calls Message-ID: References: <20260715142739.80398-1-steven.price@arm.com> <20260715142739.80398-3-steven.price@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260715142739.80398-3-steven.price@arm.com> X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Jul 15, 2026 at 03:27:33PM +0100, Steven Price wrote: > The wrappers make the call sites easier to read and deal with the > boilerplate of handling the error codes from the RMM. > > Signed-off-by: Steven Price > --- > Changes from v14: > * Update to RMM v2.0-bet2 spec. > * Move SRO related wrappers to a later patch due to dependencies. > * Common wrappers are split into include/linux/arm-rmi-cmds.h. > Changes from v13: > * Update to RMM v2.0-bet1 spec including some SRO support (there still > some FIXMEs where SRO support is incomplete). > Changes from v12: > * Update to RMM v2.0 specification > Changes from v8: > * Switch from arm_smccc_1_2_smc() to arm_smccc_1_2_invoke() in > rmi_rtt_read_entry() for consistency. > Changes from v7: > * Minor renaming of parameters and updated comments > Changes from v5: > * Further improve comments > Changes from v4: > * Improve comments > Changes from v2: > * Make output arguments optional. > * Mask RIPAS value rmi_rtt_read_entry() > * Drop unused rmi_rtt_get_phys() > --- > arch/arm64/include/asm/rmi_cmds.h | 67 +++++++++++++++++++++++ This doesn't need to be in the arch code. Please work with Aneesh to put this somewhere else. Will