From patchwork Tue Jul 26 03:23:12 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Marek_Marczykowski-G=C3=B3recki?= X-Patchwork-Id: 12928596 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 698B9CCA491 for ; Tue, 26 Jul 2022 03:23:54 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.374941.607224 (Exim 4.92) (envelope-from ) id 1oGBAb-0005Mf-DO; Tue, 26 Jul 2022 03:23:41 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 374941.607224; Tue, 26 Jul 2022 03:23:41 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1oGBAb-0005MB-5J; Tue, 26 Jul 2022 03:23:41 +0000 Received: by outflank-mailman (input) for mailman id 374941; Tue, 26 Jul 2022 03:23:39 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1oGBAZ-0003P0-6Q for xen-devel@lists.xenproject.org; Tue, 26 Jul 2022 03:23:39 +0000 Received: from out4-smtp.messagingengine.com (out4-smtp.messagingengine.com [66.111.4.28]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id 56b4385f-0c92-11ed-bd2d-47488cf2e6aa; Tue, 26 Jul 2022 05:23:38 +0200 (CEST) Received: from compute2.internal (compute2.nyi.internal [10.202.2.46]) by mailout.nyi.internal (Postfix) with ESMTP id 9AB7A5C00C4; Mon, 25 Jul 2022 23:23:37 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute2.internal (MEProxy); Mon, 25 Jul 2022 23:23:37 -0400 Received: by mail.messagingengine.com (Postfix) with ESMTPA; Mon, 25 Jul 2022 23:23:36 -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: 56b4385f-0c92-11ed-bd2d-47488cf2e6aa 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=fm3; t=1658805817; x=1658892217; bh=I6siKunDYx GQP0S8ZLOM5K5jIoXt/ZQrNSId/g+ijJY=; b=pElV3R8p4/TAoXjNMneelUeSOc WzEfG7cV2LTGPTH5QUdU3X2zdZnYZ7lpbS2L1kKeQDktgzMeMC0bFZ16UUniqLyt OcwIWGF+C6WlrsxSM558fb3eMAo04E6i/k9oX0Vg8CSLyUljlCJ/5kDMOIm844NP OFzJmg06dEgY3qUfYSjZzL6RLJkpQ/DtAgsJCKUBnzBHtHNhXkLayicD5fXNhhXE JVPMBCppJsRSJyaPrD9yk1+ykL9CuKh3WRkCo/zM0dyA73jOxZnrxU7XBVO29imL PDW8qfhRZQaHeceit3TqT+nqM8786vqrK20InMlzuVEj0xb3uqom3kNn9ATw== 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=fm3; t=1658805817; x= 1658892217; bh=I6siKunDYxGQP0S8ZLOM5K5jIoXt/ZQrNSId/g+ijJY=; b=c nKHTVFf4cw8/jsjUXCGdJyxr3HQe1zCGUfYCoUnvjjdYpPLXwtxK+pU6M0s8rKoE do8tg3kb8w/nAz+XYNIChEwqwOPk6CTQ9I5UJt+5ztjFS9ESOVwq1d5bZexMqLdP gqSf9wSlFQFBvuxvG0Ye9O1l6BefvnrLnigrRY22IomrRpZkNlRss3IwLS26XHrm YEgkhLIdpoeFTG6b+A3YWaP1uabR8dW/EHn1+W3zNY8tJePb2rhJulea3dtAXgXa wquOpYjsM18IvQyFz0GuwIN668vaA+pS0AZIhMt3J9nfQFiTX+9apQ7VgXiHTFgy Es7zc8z/biUfSFY/Pd6+Q== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvfedrvddtledgieelucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhephffvvefufffkofgjfhggtgfgsehtkeertdertdejnecuhfhrohhmpeforghr vghkucforghrtgiihihkohifshhkihdqifpkrhgvtghkihcuoehmrghrmhgrrhgvkhesih hnvhhishhisghlvghthhhinhhgshhlrggsrdgtohhmqeenucggtffrrghtthgvrhhnpefg ueduhefgvdefheehudejheefudevueeghfekhfehleegveduteeuiedugffgffenucevlh hushhtvghrufhiiigvpedvnecurfgrrhgrmhepmhgrihhlfhhrohhmpehmrghrmhgrrhgv khesihhnvhhishhisghlvghthhhinhhgshhlrggsrdgtohhm X-ME-Proxy: Feedback-ID: i1568416f:Fastmail From: =?utf-8?q?Marek_Marczykowski-G=C3=B3recki?= To: xen-devel@lists.xenproject.org Cc: =?utf-8?q?Marek_Marczykowski-G=C3=B3recki?= , Jan Beulich , Andrew Cooper Subject: [PATCH v3 07/10] IOMMU/AMD: wire common device reserved memory API Date: Tue, 26 Jul 2022 05:23:12 +0200 Message-Id: <68b7a172fcdad2495fb928e47f33ebe5bafcf953.1658804819.git-series.marmarek@invisiblethingslab.com> X-Mailer: git-send-email 2.35.3 In-Reply-To: References: MIME-Version: 1.0 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 )