From patchwork Mon Jun 6 03:40:21 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: 12869911 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 3286CC433EF for ; Mon, 6 Jun 2022 03:41:13 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.342172.567305 (Exim 4.92) (envelope-from ) id 1ny3bt-0008CO-6u; Mon, 06 Jun 2022 03:40:57 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 342172.567305; Mon, 06 Jun 2022 03:40:57 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1ny3bs-00089i-RS; Mon, 06 Jun 2022 03:40:56 +0000 Received: by outflank-mailman (input) for mailman id 342172; Mon, 06 Jun 2022 03:40:55 +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 1ny3br-0006AI-EP for xen-devel@lists.xenproject.org; Mon, 06 Jun 2022 03:40:55 +0000 Received: from out4-smtp.messagingengine.com (out4-smtp.messagingengine.com [66.111.4.28]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id 77b6ac07-e54a-11ec-b605-df0040e90b76; Mon, 06 Jun 2022 05:40:54 +0200 (CEST) Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.nyi.internal (Postfix) with ESMTP id DC8F55C0092; Sun, 5 Jun 2022 23:40:53 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute4.internal (MEProxy); Sun, 05 Jun 2022 23:40:53 -0400 Received: by mail.messagingengine.com (Postfix) with ESMTPA; Sun, 5 Jun 2022 23:40:52 -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: 77b6ac07-e54a-11ec-b605-df0040e90b76 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=fm1; t=1654486853; x=1654573253; bh=A6IUb5PhcA I6HvRB0V+hA466Exyej9hEMYg/SSDCyCk=; b=JMETKEtYs3QGO3ansj1uSe4kBc HWOucFNHxq5QDlAgtlc95WNZ9eSQjz4xzlbOzRKO9ZsQtIsYwQRzGQLUcmKFGQZ8 sALDkfuN1/MDvBKuMaAqU19kgN+W6FpOnOtHAIheLY2Rsh+SkKW/aCcTYyVW5nr2 rDs0UzvfDow7TxbSjNK1k/k59rxTa6SNryHwKoEQVPZljEM2omduu5eBPvIb1NrT 3twJ8H5Qmy+ZcbgAGyLW43MWUep8lJjQHLJxWnaC7T25JBxEyv4axqDoxbz90Inc 6lIsv+acUCl/jyBACLdkome3zJtqrpVPFG3c3KFAeO3GWv5LYcV92k48GCfQ== 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=1654486853; x= 1654573253; bh=A6IUb5PhcAI6HvRB0V+hA466Exyej9hEMYg/SSDCyCk=; b=H as4gHtuzhsetWd9GSU457Un5devnnoow7tHZSR5crfCyWz6bzWK6/+suTYMoYAN4 XJk8ddBrvtL97myk1FV3M7v5K7DRL1TEyQyq4bafwFZ3f3qGn/IS4Awwq75BupoA va5SMTi9PuBZCUNwPKLcCE/xWVTbdiDEv8BXjKpnV0iPv8sLBLi9G5W1pJP+nxCa wZuMwse9RbUDRTTZTiIobete1YH98h3x2pfXezHQU2LqlplbpwaugfATP04fCb+A FyVxOcd4U3ULZrNFM0sQjNTIKVsZixafcpTWT1MVkTYfr2WKb9eWOCJLn331AnM4 siGtkD5fT5B23ksyg9DhQ== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvfedruddtuddgjeefucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhephffvvefufffkofgjfhggtgfgsehtkeertdertdejnecuhfhrohhmpeforghr vghkucforghrtgiihihkohifshhkihdqifpkrhgvtghkihcuoehmrghrmhgrrhgvkhesih hnvhhishhisghlvghthhhinhhgshhlrggsrdgtohhmqeenucggtffrrghtthgvrhhnpefg ueduhefgvdefheehudejheefudevueeghfekhfehleegveduteeuiedugffgffenucevlh hushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpehmrghrmhgrrhgv 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: [RFC PATCH 09/12] IOMMU/AMD: wire common device reserved memory API Date: Mon, 6 Jun 2022 05:40:21 +0200 Message-Id: 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 --- xen/drivers/passthrough/amd/iommu_acpi.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/xen/drivers/passthrough/amd/iommu_acpi.c b/xen/drivers/passthrough/amd/iommu_acpi.c index ac6835225bae..2a4896c05442 100644 --- a/xen/drivers/passthrough/amd/iommu_acpi.c +++ b/xen/drivers/passthrough/amd/iommu_acpi.c @@ -1078,6 +1078,20 @@ static inline bool_t is_ivmd_block(u8 type) type == ACPI_IVRS_TYPE_MEMORY_IOMMU); } +static int __init cf_check add_one_extra_ivmd(xen_pfn_t start, xen_ulong_t nr, u32 id, void *ctxt) +{ + struct acpi_ivrs_memory ivmd; + + ivmd.start_address = start << PAGE_SHIFT; + ivmd.memory_length = nr << PAGE_SHIFT; + ivmd.header.flags = ACPI_IVMD_UNITY | + ACPI_IVMD_READ | ACPI_IVMD_WRITE; + ivmd.header.length = sizeof(ivmd); + ivmd.header.device_id = id; + ivmd.header.type = ACPI_IVRS_TYPE_MEMORY_ONE; + 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 +1135,8 @@ 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 )