From patchwork Fri Sep 22 03:01:45 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "lan,Tianyu" X-Patchwork-Id: 9965571 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 A35B5600C5 for ; Fri, 22 Sep 2017 09:12:04 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9D97329701 for ; Fri, 22 Sep 2017 09:12:04 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 924CD29806; Fri, 22 Sep 2017 09:12:04 +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 3997529701 for ; Fri, 22 Sep 2017 09:12:04 +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 1dvJy3-0003JI-4o; Fri, 22 Sep 2017 09:09:51 +0000 Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dvJy2-0003IM-8e for xen-devel@lists.xen.org; Fri, 22 Sep 2017 09:09:50 +0000 Received: from [193.109.254.147] by server-3.bemta-6.messagelabs.com id 66/68-03093-D53D4C95; Fri, 22 Sep 2017 09:09:49 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrFLMWRWlGSWpSXmKPExsXS1tbhqBt1+Ui kwb5PzBZLPi5mcWD0OLr7N1MAYxRrZl5SfkUCa8bFczvYCh6KVpx4eYm9gfG7YBcjJ4eQwHRG iV0vgkFsCQFeiSPLZrBC2P4SHY0XWLoYuYBqOhglbrZNZgJJsAmoS5xYPJERxBYRkJa49vkyI 0gRs8BmJom5a2axgCSEBRIkvk9cAZTg4GARUJXo3xUBEuYVcJF48mYtC8QCBYkpD98zg9icAq 4Sv/q2M0Ec5CLRunQ/0wRG3gWMDKsYNYpTi8pSi3SNTPSSijLTM0pyEzNzdA0NzPRyU4uLE9N TcxKTivWS83M3MQLDgQEIdjDu+xh5iFGSg0lJlPf9+SORQnxJ+SmVGYnFGfFFpTmpxYcYZTg4 lCR4L14EygkWpaanVqRl5gADEyYtwcGjJMKrdgkozVtckJhbnJkOkTrFqMvRcfPuHyYhlrz8v FQpcV49kCIBkKKM0jy4EbAoucQoKyXMywh0lBBPQWpRbmYJqvwrRnEORiVhXgOQKTyZeSVwm1 4BHcEEdET5arAjShIRUlINjMvFFbpLTSTtO97kPNz14MwL72afvyL8rQsmHvxRedjCk/GD+DU jvdVMTm93Pzx5M37DgsKOvnSDhOdirxtqrnspXio5z/z31ou47Pe3Cz4t21XW2aD/6WdAP1O6 OeMGsQJX1aVv+Ir3/HWdoV/l+6lZ9I2o4sbcrmWRqp6cTVedJz3szHY0VmIpzkg01GIuKk4EA PahI9eNAgAA X-Env-Sender: tianyu.lan@intel.com X-Msg-Ref: server-12.tower-27.messagelabs.com!1506071384!116553951!1 X-Originating-IP: [134.134.136.65] X-SpamReason: No, hits=0.8 required=7.0 tests=DATE_IN_PAST_06_12, UPPERCASE_25_50 X-StarScan-Received: X-StarScan-Version: 9.4.45; banners=-,-,- X-VirusChecked: Checked Received: (qmail 38353 invoked from network); 22 Sep 2017 09:09:45 -0000 Received: from mga03.intel.com (HELO mga03.intel.com) (134.134.136.65) by server-12.tower-27.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 22 Sep 2017 09:09:45 -0000 Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 22 Sep 2017 02:09:43 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.42,427,1500966000"; d="scan'208";a="315007204" Received: from sky-ws.sh.intel.com (HELO localhost) ([10.239.48.141]) by fmsmga004.fm.intel.com with ESMTP; 22 Sep 2017 02:09:37 -0700 From: Lan Tianyu To: xen-devel@lists.xen.org Date: Thu, 21 Sep 2017 23:01:45 -0400 Message-Id: <1506049330-11196-5-git-send-email-tianyu.lan@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1506049330-11196-1-git-send-email-tianyu.lan@intel.com> References: <1506049330-11196-1-git-send-email-tianyu.lan@intel.com> Cc: Lan Tianyu , kevin.tian@intel.com, sstabellini@kernel.org, wei.liu2@citrix.com, George.Dunlap@eu.citrix.com, andrew.cooper3@citrix.com, ian.jackson@eu.citrix.com, tim@xen.org, jbeulich@suse.com, roger.pau@citrix.com, Chao Gao Subject: [Xen-devel] [PATCH V3 4/29] 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 | 61 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) diff --git a/tools/libacpi/acpi2_0.h b/tools/libacpi/acpi2_0.h index 2619ba3..758a823 100644 --- a/tools/libacpi/acpi2_0.h +++ b/tools/libacpi/acpi2_0.h @@ -422,6 +422,65 @@ struct acpi_20_slit { }; /* + * DMA Remapping Table header definition (DMAR) + */ + +/* + * DMAR Flags. + */ +#define ACPI_DMAR_INTR_REMAP (1 << 0) +#define ACPI_DMAR_X2APIC_OPT_OUT (1 << 1) + +struct acpi_dmar { + struct acpi_header header; + uint8_t host_address_width; + uint8_t flags; + uint8_t reserved[10]; +}; + +/* + * Device Scope Types + */ +#define ACPI_DMAR_DEVICE_SCOPE_PCI_ENDPOINT 0x01 +#define ACPI_DMAR_DEVICE_SCOPE_PCI_SUB_HIERARACHY 0x01 +#define ACPI_DMAR_DEVICE_SCOPE_IOAPIC 0x03 +#define ACPI_DMAR_DEVICE_SCOPE_HPET 0x04 +#define ACPI_DMAR_DEVICE_SCOPE_ACPI_NAMESPACE_DEVICE 0x05 + +struct dmar_device_scope { + uint8_t type; + uint8_t length; + uint8_t reserved[2]; + uint8_t enumeration_id; + uint8_t bus; + uint16_t path[0]; +}; + +/* + * DMA Remapping Hardware Unit Types + */ +#define ACPI_DMAR_TYPE_HARDWARE_UNIT 0x00 +#define ACPI_DMAR_TYPE_RESERVED_MEMORY 0x01 +#define ACPI_DMAR_TYPE_ATSR 0x02 +#define ACPI_DMAR_TYPE_HARDWARE_AFFINITY 0x03 +#define ACPI_DMAR_TYPE_ANDD 0x04 + +/* + * DMA Remapping Hardware Unit Flags. All other bits are reserved and must be 0. + */ +#define ACPI_DMAR_INCLUDE_PCI_ALL (1 << 0) + +struct acpi_dmar_hardware_unit { + uint16_t type; + uint16_t length; + uint8_t flags; + uint8_t reserved; + uint16_t pci_segment; + uint64_t base_address; + struct dmar_device_scope scope[0]; +}; + +/* * Table Signatures. */ #define ACPI_2_0_RSDP_SIGNATURE ASCII64('R','S','D',' ','P','T','R',' ') @@ -435,6 +494,7 @@ 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 +509,7 @@ 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 ()