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Fri, 12 Feb 2021 10:23:49 +0000 From: "Sami Mujawar" To: CC: Sami Mujawar , , , , , , Subject: [PATCH edk2-platforms v1 10/12] Platform/ARM/VExpressPkg: Add Virtio Block Device description Date: Fri, 12 Feb 2021 10:23:39 +0000 Message-ID: <20210212102341.24056-11-sami.mujawar@arm.com> X-Mailer: git-send-email 2.11.0.windows.3 In-Reply-To: <20210212102341.24056-1-sami.mujawar@arm.com> References: <20210212102341.24056-1-sami.mujawar@arm.com> MIME-Version: 1.0 X-EOPAttributedMessage: 1 X-MS-Office365-Filtering-HT: Tenant X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 5726988c-e8a4-43cf-cd67-08d8cf406a8d X-MS-TrafficTypeDiagnostic: AM6PR08MB3640:|AM8PR08MB5827: X-Microsoft-Antispam-PRVS: x-checkrecipientrouted: true NoDisclaimer: true X-MS-Oob-TLC-OOBClassifiers: OLM:7691;OLM:7691; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam-Untrusted: BCL:0; X-Microsoft-Antispam-Message-Info-Original: 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 X-Forefront-Antispam-Report-Untrusted: CIP:40.67.248.234;CTRY:IE;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:nebula.arm.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(4636009)(396003)(136003)(346002)(39860400002)(376002)(46966006)(36840700001)(2616005)(426003)(36756003)(7696005)(336012)(44832011)(1076003)(6916009)(8936002)(186003)(26005)(47076005)(36860700001)(54906003)(70586007)(316002)(2906002)(82740400003)(83380400001)(6666004)(356005)(478600001)(81166007)(86362001)(5660300002)(82310400003)(70206006)(4326008)(8676002)(36900700001);DIR:OUT;SFP:1101; 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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Feb 2021 10:24:44.5389 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 5726988c-e8a4-43cf-cd67-08d8cf406a8d X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[63.35.35.123];Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: DB5EUR03FT050.eop-EUR03.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM8PR08MB5827 Content-Type: text/plain The FVP model implements a Virtio block device that can be accessed from a Guest OS if it has an appropriate driver. It is targeted primarily at Linux, which has a built-in Virtio block driver. VirtioBlockDevice allows to use a file on the host that is specified using the models image_path parameter, as a hard drive in the Guest OS. Therefore, add the Virtio block device description to the DSDT. Signed-off-by: Sami Mujawar --- Platform/ARM/VExpressPkg/ConfigurationManager/ConfigurationManagerDxe/AslTables/Dsdt.asl | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/Platform/ARM/VExpressPkg/ConfigurationManager/ConfigurationManagerDxe/AslTables/Dsdt.asl b/Platform/ARM/VExpressPkg/ConfigurationManager/ConfigurationManagerDxe/AslTables/Dsdt.asl index 64d697e344ffb5b5b6c4ef31b8245f10a1a18c76..e04003d562ddc410d4981d7e4527ecc78c440440 100644 --- a/Platform/ARM/VExpressPkg/ConfigurationManager/ConfigurationManagerDxe/AslTables/Dsdt.asl +++ b/Platform/ARM/VExpressPkg/ConfigurationManager/ConfigurationManagerDxe/AslTables/Dsdt.asl @@ -57,5 +57,16 @@ DefinitionBlock("DsdtTable.aml", "DSDT", 1, "ARMLTD", "ARM-VEXP", 1) { Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive) {0x2F} }) } + + // VIRTIO block device + Device (VIRT) { + Name (_HID, "LNRO0005") + Name (_UID, 0) + + Name (_CRS, ResourceTemplate() { + Memory32Fixed (ReadWrite, 0x1c130000, 0x1000) + Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive) {0x4A} + }) + } } // Scope(_SB) } -- 'Guid(CE165669-3EF3-493F-B85D-6190EE5B9759)'