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 lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 81D13ECAAD8 for ; Sat, 17 Sep 2022 02:52:03 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.408202.650949 (Exim 4.92) (envelope-from ) id 1oZNvq-0003VM-MA; Sat, 17 Sep 2022 02:51:50 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 408202.650949; Sat, 17 Sep 2022 02:51:50 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1oZNvq-0003UU-CP; Sat, 17 Sep 2022 02:51:50 +0000 Received: by outflank-mailman (input) for mailman id 408202; Sat, 17 Sep 2022 02:51:49 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1oZNvp-0002wS-71 for xen-devel@lists.xenproject.org; Sat, 17 Sep 2022 02:51:49 +0000 Received: from out5-smtp.messagingengine.com (out5-smtp.messagingengine.com [66.111.4.29]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id abb65e3e-3633-11ed-9761-273f2230c3a0; Sat, 17 Sep 2022 04:51:47 +0200 (CEST) Received: from compute2.internal (compute2.nyi.internal [10.202.2.46]) by mailout.nyi.internal (Postfix) with ESMTP id DC6A45C00A9; Fri, 16 Sep 2022 22:51:46 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute2.internal (MEProxy); Fri, 16 Sep 2022 22:51:46 -0400 Received: by mail.messagingengine.com (Postfix) with ESMTPA; Fri, 16 Sep 2022 22:51:45 -0400 (EDT) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: abb65e3e-3633-11ed-9761-273f2230c3a0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= invisiblethingslab.com; h=cc:cc:content-transfer-encoding :content-type:date:date:from:from:in-reply-to:in-reply-to :message-id:mime-version:references:reply-to:sender:subject :subject:to:to; s=fm2; t=1663383106; x=1663469506; bh=/pD4K+B9L0 ba8VyhoGCQP8h4YWebGtRYWp1NDk3Q7sk=; b=itEbC7X1dp21xKuLNKJyo8Ai0w CJ9n5XfOAD85GITEj4vmv8VMnIBniOsGpsAL4KO64mvbNEpzEdD6WsSp3R4mLIVK D5VaNsG2eqjfLgDgXhaOWu5sU7upEDdaZANeecRs1ALGHbQprAdeKTOsQCqnvCqu wL4kO9FmGM9jhmUZ9KhZUIWGck+shy7RNc2+t6tfzHOmwfKudVnVY5bAPsa9LraX WUIIL9+AuFfOxPiarxjdLdxBXn0qYwltuq7g3Nf5ch/U/dQk40VD4oVDnOlRTr+l k0bsN58zDYLosOOFS7QoGIGlK8KPXh8mYsb47yvH+3Z9B4z4CXUAUGao7Wxw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding :content-type:date:date:feedback-id:feedback-id:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:sender:subject:subject:to:to:x-me-proxy:x-me-proxy :x-me-sender:x-me-sender:x-sasl-enc; s=fm2; t=1663383106; x= 1663469506; bh=/pD4K+B9L0ba8VyhoGCQP8h4YWebGtRYWp1NDk3Q7sk=; b=c 9hkK3BV+CD1f2jOiqRsY+BY0mKGT1abbztFWy5uhlS0PYPsjkf2GvsWsN+AS7L5A ZdMdbJ5uayyTnNeJW5zWWdzFuUQe0/f2ay03nEBp7xsf2ok+XYJ7oKECulj4krgZ 9/N7t3yEGSsP8JziQpVLaA/mhdD21PkUTDZeby3CwJLfPteoRvDSyjM6FiPZ+bkl m0jWMjOgcTEQFlYGv4khM74k6TAjCtj84sNFPSMI5ju4n0U/kY6jPYkBclTJRYyz /iXzkFj9JgFfCyFiSe2sS5VNIyWidxhLxqaOU5jMdGmCXH7dORmUp9uk5TCaKvUZ 57gbJBgS2Q2fU7LnObAZA== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvfedrfedvuddgieegucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhephffvvefufffkofgjfhggtgfgsehtkeertdertdejnecuhfhrohhmpeforghr vghkucforghrtgiihihkohifshhkihdqifpkrhgvtghkihcuoehmrghrmhgrrhgvkhesih hnvhhishhisghlvghthhhinhhgshhlrggsrdgtohhmqeenucggtffrrghtthgvrhhnpefg ueduhefgvdefheehudejheefudevueeghfekhfehleegveduteeuiedugffgffenucevlh hushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpehmrghrmhgrrhgv khesihhnvhhishhisghlvghthhhinhhgshhlrggsrdgtohhm X-ME-Proxy: Feedback-ID: i1568416f:Fastmail From: =?UTF-8?q?Marek=20Marczykowski-G=C3=B3recki?= To: xen-devel@lists.xenproject.org Cc: =?UTF-8?q?Marek=20Marczykowski-G=C3=B3recki?= , Jan Beulich , Andrew Cooper Subject: [PATCH v7 03/11] IOMMU/AMD: wire common device reserved memory API Date: Sat, 17 Sep 2022 04:51:22 +0200 Message-Id: <49615badb40907157c900996f185e169b7f3d611.1663383053.git-series.marmarek@invisiblethingslab.com> X-Mailer: git-send-email 2.35.3 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Register common device reserved memory similar to how ivmd= parameter is handled. Signed-off-by: Marek Marczykowski-Górecki Acked-by: Jan Beulich --- Changes in v3: - use variable initializer - use pfn_to_paddr() --- xen/drivers/passthrough/amd/iommu_acpi.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/xen/drivers/passthrough/amd/iommu_acpi.c b/xen/drivers/passthrough/amd/iommu_acpi.c index ac6835225bae..3b577c9b390c 100644 --- a/xen/drivers/passthrough/amd/iommu_acpi.c +++ b/xen/drivers/passthrough/amd/iommu_acpi.c @@ -1078,6 +1078,25 @@ static inline bool_t is_ivmd_block(u8 type) type == ACPI_IVRS_TYPE_MEMORY_IOMMU); } +static int __init cf_check add_one_extra_ivmd(unsigned long start, + unsigned long nr, + uint32_t id, void *ctxt) +{ + struct acpi_ivrs_memory ivmd = { + .header = { + .length = sizeof(ivmd), + .flags = ACPI_IVMD_UNITY | ACPI_IVMD_READ | ACPI_IVMD_WRITE, + .device_id = id, + .type = ACPI_IVRS_TYPE_MEMORY_ONE, + }, + }; + + ivmd.start_address = pfn_to_paddr(start); + ivmd.memory_length = pfn_to_paddr(nr); + + return parse_ivmd_block(&ivmd); +} + static int __init cf_check parse_ivrs_table(struct acpi_table_header *table) { const struct acpi_ivrs_header *ivrs_block; @@ -1121,6 +1140,8 @@ static int __init cf_check parse_ivrs_table(struct acpi_table_header *table) AMD_IOMMU_DEBUG("IVMD: %u command line provided entries\n", nr_ivmd); for ( i = 0; !error && i < nr_ivmd; ++i ) error = parse_ivmd_block(user_ivmds + i); + if ( !error ) + error = iommu_get_extra_reserved_device_memory(add_one_extra_ivmd, NULL); /* Each IO-APIC must have been mentioned in the table. */ for ( apic = 0; !error && iommu_intremap && apic < nr_ioapics; ++apic ) -- git-series 0.9.1