From patchwork Thu May 18 05:34:37 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "lan,Tianyu" X-Patchwork-Id: 9733895 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id DB6C36022E for ; Thu, 18 May 2017 11:42:52 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CB8AB2621D for ; Thu, 18 May 2017 11:42:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C0731269DA; Thu, 18 May 2017 11:42:52 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.7 required=2.0 tests=BAYES_00, DATE_IN_PAST_06_12, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 403E62621D for ; Thu, 18 May 2017 11:42:52 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dBJnA-0004Lx-IN; Thu, 18 May 2017 11:40:28 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dBJn9-0004Kx-Rr for xen-devel@lists.xen.org; Thu, 18 May 2017 11:40:27 +0000 Received: from [85.158.139.211] by server-7.bemta-5.messagelabs.com id 99/FE-02181-B288D195; Thu, 18 May 2017 11:40:27 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrLLMWRWlGSWpSXmKPExsXS1tYhoavVIRt p8LVL12LJx8UsDoweR3f/ZgpgjGLNzEvKr0hgzXh+oZ+54KtwxZcNv9gaGNcKdDFycQgJTGOU aLuxkbGLkZNDQoBX4siyGawQtr/EqWlfGSGKOhglVl1ZzgaSYBNQlzixeCJYg4iAtMS1z5fBb GaBfYwSb56rdjFycAgLpEiseBoNEmYRUJV4c20+O0iYV8BFYu82a4jxChJTHr5nBrE5BVwltm 29xQJiCwGVNC7sZZ3AyLuAkWEVo0ZxalFZapGukYVeUlFmekZJbmJmjq6hgalebmpxcWJ6ak5 iUrFecn7uJkZgMNQzMDDuYOxb5XeIUZKDSUmU93CBbKQQX1J+SmVGYnFGfFFpTmrxIUYZDg4l CV6+dqCcYFFqempFWmYOMCxh0hIcPEoivDogad7igsTc4sx0iNQpRkUpcV4vkIQASCKjNA+uD RYLlxhlpYR5GRkYGIR4ClKLcjNLUOVfMYpzMCoJ87KCTOHJzCuBm/4KaDET0OLmB9Igi0sSEV JSDYyVuxjY5vG9+r553/v2/K7TU0o/CT6uX3qiTt1j6v7lKhvyfJxXW/o1iQjKHK5oPyVgqWF R18Kwu/OOtGhm8mZTrt3NsxwUd4s0hP4QD3rql/Bwt3u95xfV390Ji69xCTvKvSk60F7Rff77 8YUiHSdjVEJWz76x5JnYt3qGxTdKni2XVTl5cqoSS3FGoqEWc1FxIgBp2OLxgAIAAA== X-Env-Sender: tianyu.lan@intel.com X-Msg-Ref: server-6.tower-206.messagelabs.com!1495107623!98760223!1 X-Originating-IP: [134.134.136.24] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTM0LjEzNC4xMzYuMjQgPT4gMzkwOTcx\n X-StarScan-Received: X-StarScan-Version: 9.4.12; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12977 invoked from network); 18 May 2017 11:40:25 -0000 Received: from mga09.intel.com (HELO mga09.intel.com) (134.134.136.24) by server-6.tower-206.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 18 May 2017 11:40:25 -0000 Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 18 May 2017 04:40:23 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.38,358,1491289200"; d="scan'208";a="102428997" Received: from sky-ws.sh.intel.com (HELO localhost) ([10.239.48.124]) by orsmga005.jf.intel.com with ESMTP; 18 May 2017 04:40:21 -0700 From: Lan Tianyu To: xen-devel@lists.xen.org Date: Thu, 18 May 2017 01:34:37 -0400 Message-Id: <1495085696-10819-8-git-send-email-tianyu.lan@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1495085696-10819-1-git-send-email-tianyu.lan@intel.com> References: <1495085696-10819-1-git-send-email-tianyu.lan@intel.com> Cc: Lan Tianyu , kevin.tian@intel.com, wei.liu2@citrix.com, andrew.cooper3@citrix.com, ian.jackson@eu.citrix.com, jbeulich@suse.com, Chao Gao Subject: [Xen-devel] [RFC PATCH V2 7/26] Tools/libacpi: Add DMA remapping reporting (DMAR) ACPI table structures X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Chao Gao Add dmar table structure according Chapter 8 "BIOS Considerations" of VTd spec Rev. 2.4. VTd spec:http://www.intel.com/content/dam/www/public/us/en/documents/product-specifications/vt-directed-io-spec.pdf Signed-off-by: Chao Gao Signed-off-by: Lan Tianyu --- tools/libacpi/acpi2_0.h | 45 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) diff --git a/tools/libacpi/acpi2_0.h b/tools/libacpi/acpi2_0.h index 2619ba3..8f942b5 100644 --- a/tools/libacpi/acpi2_0.h +++ b/tools/libacpi/acpi2_0.h @@ -421,6 +421,49 @@ struct acpi_20_slit { uint8_t entry[0]; }; +/* DMA Remapping Table in VTd spec Rev. 2.4. */ +struct acpi_dmar { + struct acpi_header header; + uint8_t host_address_width; + uint8_t flags; + uint8_t reserved[10]; /* reserved(0) */ +}; + +/* Remapping Structure Types */ +enum { + ACPI_DMAR_TYPE_HARDWARE_UNIT = 0, /* DRHD */ + ACPI_DMAR_TYPE_RESERVED_MEMORY = 1, /* RMRR */ + ACPI_DMAR_TYPE_ATSR = 2, /* ATSR */ + ACPI_DMAR_TYPE_HARDWARE_AFFINITY = 3, /* RHSR */ + ACPI_DMAR_TYPE_ANDD = 4, /* ANDD */ + ACPI_DMAR_TYPE_RESERVED = 5 /* Reserved for furture use */ +}; + +struct dmar_device_scope { + uint8_t type; + uint8_t length; + uint8_t reserved[2]; /* reserved(0) */ + uint8_t enumeration_id; + uint8_t bus; + uint16_t path[0]; +}; + +struct acpi_dmar_hardware_unit { + uint16_t type; + uint16_t length; + uint8_t flags; + uint8_t reserved; /* reserved(0) */ + uint16_t pci_segment; /* The PCI segment associated with this unit */ + uint64_t address; /* Base address of remapping hardware register-set */ + struct dmar_device_scope scope[0]; +}; + +/* Device scope type */ +#define ACPI_DMAR_DEVICE_SCOPE_IOAPIC 0x03 + +/* Masks for flags field of struct acpi_dmar_hardware_unit */ +#define ACPI_DMAR_INCLUDE_PCI_ALL 1 + /* * Table Signatures. */ @@ -435,6 +478,7 @@ struct acpi_20_slit { #define ACPI_2_0_WAET_SIGNATURE ASCII32('W','A','E','T') #define ACPI_2_0_SRAT_SIGNATURE ASCII32('S','R','A','T') #define ACPI_2_0_SLIT_SIGNATURE ASCII32('S','L','I','T') +#define ACPI_2_0_DMAR_SIGNATURE ASCII32('D','M','A','R') /* * Table revision numbers. @@ -449,6 +493,7 @@ struct acpi_20_slit { #define ACPI_1_0_FADT_REVISION 0x01 #define ACPI_2_0_SRAT_REVISION 0x01 #define ACPI_2_0_SLIT_REVISION 0x01 +#define ACPI_2_0_DMAR_REVISION 0x01 #pragma pack ()