From patchwork Tue Apr 19 08:38:33 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Xu X-Patchwork-Id: 612035 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3qpzCL2gyqz9syq for ; Tue, 19 Apr 2016 18:46:54 +1000 (AEST) Received: from localhost ([::1]:54061 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1asRJ6-0004cw-Ab for incoming@patchwork.ozlabs.org; Tue, 19 Apr 2016 04:46:52 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38405) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1asRBr-0006bh-RF for qemu-devel@nongnu.org; Tue, 19 Apr 2016 04:39:25 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1asRBn-0006Dc-Q4 for qemu-devel@nongnu.org; Tue, 19 Apr 2016 04:39:23 -0400 Received: from mx1.redhat.com ([209.132.183.28]:43976) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1asRBn-0006DX-Io for qemu-devel@nongnu.org; Tue, 19 Apr 2016 04:39:19 -0400 Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 351DE7F351; Tue, 19 Apr 2016 08:39:19 +0000 (UTC) Received: from pxdev.xzpeter.org.com (dhcp-14-238.nay.redhat.com [10.66.14.238]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u3J8clBN031338; Tue, 19 Apr 2016 04:39:15 -0400 From: Peter Xu To: qemu-devel@nongnu.org Date: Tue, 19 Apr 2016 16:38:33 +0800 Message-Id: <1461055122-32378-8-git-send-email-peterx@redhat.com> In-Reply-To: <1461055122-32378-1-git-send-email-peterx@redhat.com> References: <1461055122-32378-1-git-send-email-peterx@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v4 07/16] intel_iommu: define several structs for IOMMU IR X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ehabkost@redhat.com, mst@redhat.com, jasowang@redhat.com, rkrcmar@redhat.com, peterx@redhat.com, alex.williamson@redhat.com, jan.kiszka@web.de, wexu@redhat.com, pbonzini@redhat.com, marcel@redhat.com, imammedo@redhat.com, rth@twiddle.net Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Several data structs are defined to better support the rest of the patches: IRTE to parse remapping table entries, and IOAPIC/MSI related structure bits to parse interrupt entries to be filled in by guest kernel. Signed-off-by: Peter Xu --- include/hw/i386/intel_iommu.h | 60 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) diff --git a/include/hw/i386/intel_iommu.h b/include/hw/i386/intel_iommu.h index cc49839..4914fe6 100644 --- a/include/hw/i386/intel_iommu.h +++ b/include/hw/i386/intel_iommu.h @@ -52,6 +52,9 @@ typedef struct IntelIOMMUState IntelIOMMUState; typedef struct VTDAddressSpace VTDAddressSpace; typedef struct VTDIOTLBEntry VTDIOTLBEntry; typedef struct VTDBus VTDBus; +typedef union VTD_IRTE VTD_IRTE; +typedef union VTD_IR_IOAPICEntry VTD_IR_IOAPICEntry; +typedef union VTD_IR_MSIAddress VTD_IR_MSIAddress; /* Context-Entry */ struct VTDContextEntry { @@ -90,6 +93,63 @@ struct VTDIOTLBEntry { bool write_flags; }; +/* Interrupt Remapping Table Entry Definition */ +union VTD_IRTE { + struct { + uint8_t present:1; /* Whether entry present/available */ + uint8_t fault_disable:1; /* Fault Processing Disable */ + uint8_t dest_mode:1; /* Destination Mode */ + uint8_t redir_hint:1; /* Redirection Hint */ + uint8_t trigger_mode:1; /* Trigger Mode */ + uint8_t delivery_mode:3; /* Delivery Mode */ + uint8_t __avail:4; /* Available spaces for software */ + uint8_t __reserved_0:3; /* Reserved 0 */ + uint8_t irte_mode:1; /* IRTE Mode */ + uint8_t vector:8; /* Interrupt Vector */ + uint8_t __reserved_1:8; /* Reserved 1 */ + uint32_t dest_id:32; /* Destination ID */ + uint16_t source_id:16; /* Source-ID */ + uint8_t sid_q:2; /* Source-ID Qualifier */ + uint8_t sid_vtype:2; /* Source-ID Validation Type */ + uint64_t __reserved_2:44; /* Reserved 2 */ + } QEMU_PACKED; + uint64_t data[2]; +}; + +/* Programming format for IOAPIC table entries */ +union VTD_IR_IOAPICEntry { + struct { + uint8_t vector:8; /* Vector */ + uint8_t __zeros:3; /* Reserved (all zero) */ + uint8_t index_h:1; /* Interrupt Index bit 15 */ + uint8_t status:1; /* Deliver Status */ + uint8_t polarity:1; /* Interrupt Polarity */ + uint8_t remote_irr:1; /* Remote IRR */ + uint8_t trigger_mode:1; /* Trigger Mode */ + uint8_t mask:1; /* Mask */ + uint32_t __reserved:31; /* Reserved (should all zero) */ + uint8_t int_mode:1; /* Interrupt Format */ + uint16_t index_l:15; /* Interrupt Index bits 14-0 */ + } QEMU_PACKED; + uint64_t data; +}; + +/* Programming format for MSI/MSI-X addresses */ +union VTD_IR_MSIAddress { + struct { + uint8_t __not_care:2; + uint8_t index_h:1; /* Interrupt index bit 15 */ + uint8_t sub_valid:1; /* SHV: Sub-Handle Valid bit */ + uint8_t int_mode:1; /* Interrupt format */ + uint16_t index_l:15; /* Interrupt index bit 14-0 */ + uint16_t __head:12; /* Should always be: 0x0fee */ + } QEMU_PACKED; + uint32_t data; +}; + +/* When IR is enabled, all MSI/MSI-X data bits should be zero */ +#define VTD_IR_MSI_DATA (0) + /* The iommu (DMAR) device state struct */ struct IntelIOMMUState { SysBusDevice busdev;