UefiCpuPkg: Move AsmRelocateApLoopStart from Mpfuncs.nasm to AmdSev.nasm

[mirror_edk2.git] / OvmfPkg / Include / IndustryStandard / Virtio10.h

diff --git a/OvmfPkg/Include/IndustryStandard/Virtio10.h b/OvmfPkg/Include/IndustryStandard/Virtio10.h
index c5efb5cfcb8a298f86c3c06a8942886f50ce96e0..c47bcbd41ab77dd5247016f19c10fbd829c2bd29 100644 (file)
--- a/OvmfPkg/Include/IndustryStandard/Virtio10.h
+++ b/OvmfPkg/Include/IndustryStandard/Virtio10.h
@@ -4,24 +4,24 @@
   Copyright (C) 2016, Red Hat, Inc.\r
   Copyright (C) 2017, AMD, Inc.\r
 \r
-  This program and the accompanying materials are licensed and made available\r
-  under the terms and conditions of the BSD License which accompanies this\r
-  distribution. The full text of the license may be found at\r
-  http://opensource.org/licenses/bsd-license.php\r
-\r
-  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT\r
-  WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+  SPDX-License-Identifier: BSD-2-Clause-Patent\r
 **/\r
 \r
 #ifndef _VIRTIO_1_0_H_\r
 #define _VIRTIO_1_0_H_\r
 \r
+#include <IndustryStandard/Pci23.h>\r
 #include <IndustryStandard/Virtio095.h>\r
 \r
 //\r
 // Subsystem Device IDs (to be) introduced in VirtIo 1.0\r
 //\r
-#define VIRTIO_SUBSYSTEM_GPU_DEVICE         16\r
+#define VIRTIO_SUBSYSTEM_GPU_DEVICE  16\r
+//\r
+// Subsystem Device IDs from the VirtIo spec at git commit 87fa6b5d8155;\r
+// <https://github.com/oasis-tcs/virtio-spec/tree/87fa6b5d8155>.\r
+//\r
+#define VIRTIO_SUBSYSTEM_FILESYSTEM  26\r
 \r
 //\r
 // Structures for parsing the VirtIo 1.0 specific PCI capabilities from the\r
@@ -29,25 +29,21 @@
 //\r
 #pragma pack (1)\r
 typedef struct {\r
-  UINT8 CapId;   // Capability identifier (generic)\r
-  UINT8 CapNext; // Link to next capability (generic)\r
-} VIRTIO_PCI_CAP_LINK;\r
-\r
-typedef struct {\r
-  UINT8  ConfigType; // Identifies the specific VirtIo 1.0 config structure\r
-  UINT8  Bar;        // The BAR that contains the structure\r
-  UINT8  Padding[3];\r
-  UINT32 Offset;     // Offset within Bar until the start of the structure\r
-  UINT32 Length;     // Length of the structure\r
+  EFI_PCI_CAPABILITY_VENDOR_HDR    VendorHdr;\r
+  UINT8                            ConfigType; // Identifies the specific VirtIo 1.0 config structure\r
+  UINT8                            Bar;        // The BAR that contains the structure\r
+  UINT8                            Padding[3];\r
+  UINT32                           Offset; // Offset within Bar until the start of the structure\r
+  UINT32                           Length; // Length of the structure\r
 } VIRTIO_PCI_CAP;\r
 #pragma pack ()\r
 \r
 //\r
 // Values for the VIRTIO_PCI_CAP.ConfigType field\r
 //\r
-#define VIRTIO_PCI_CAP_COMMON_CFG 1 // Common configuration\r
-#define VIRTIO_PCI_CAP_NOTIFY_CFG 2 // Notifications\r
-#define VIRTIO_PCI_CAP_DEVICE_CFG 4 // Device specific configuration\r
+#define VIRTIO_PCI_CAP_COMMON_CFG  1 // Common configuration\r
+#define VIRTIO_PCI_CAP_NOTIFY_CFG  2 // Notifications\r
+#define VIRTIO_PCI_CAP_DEVICE_CFG  4 // Device specific configuration\r
 \r
 //\r
 // Structure pointed-to by Bar and Offset in VIRTIO_PCI_CAP when ConfigType is\r
@@ -55,34 +51,46 @@ typedef struct {
 //\r
 #pragma pack (1)\r
 typedef struct {\r
-  UINT32 DeviceFeatureSelect;\r
-  UINT32 DeviceFeature;\r
-  UINT32 DriverFeatureSelect;\r
-  UINT32 DriverFeature;\r
-  UINT16 MsixConfig;\r
-  UINT16 NumQueues;\r
-  UINT8  DeviceStatus;\r
-  UINT8  ConfigGeneration;\r
-  UINT16 QueueSelect;\r
-  UINT16 QueueSize;\r
-  UINT16 QueueMsixVector;\r
-  UINT16 QueueEnable;\r
-  UINT16 QueueNotifyOff;\r
-  UINT64 QueueDesc;\r
-  UINT64 QueueAvail;\r
-  UINT64 QueueUsed;\r
+  UINT32    DeviceFeatureSelect;\r
+  UINT32    DeviceFeature;\r
+  UINT32    DriverFeatureSelect;\r
+  UINT32    DriverFeature;\r
+  UINT16    MsixConfig;\r
+  UINT16    NumQueues;\r
+  UINT8     DeviceStatus;\r
+  UINT8     ConfigGeneration;\r
+  UINT16    QueueSelect;\r
+  UINT16    QueueSize;\r
+  UINT16    QueueMsixVector;\r
+  UINT16    QueueEnable;\r
+  UINT16    QueueNotifyOff;\r
+  UINT64    QueueDesc;\r
+  UINT64    QueueAvail;\r
+  UINT64    QueueUsed;\r
 } VIRTIO_PCI_COMMON_CFG;\r
 #pragma pack ()\r
 \r
 //\r
 // VirtIo 1.0 device status bits\r
 //\r
-#define VSTAT_FEATURES_OK BIT3\r
+#define VSTAT_FEATURES_OK  BIT3\r
 \r
 //\r
 // VirtIo 1.0 reserved (device-independent) feature bits\r
 //\r
-#define VIRTIO_F_VERSION_1      BIT32\r
-#define VIRTIO_F_IOMMU_PLATFORM BIT33\r
+#define VIRTIO_F_VERSION_1       BIT32\r
+#define VIRTIO_F_IOMMU_PLATFORM  BIT33\r
+\r
+//\r
+// MMIO VirtIo Header Offsets\r
+//\r
+#define VIRTIO_MMIO_OFFSET_QUEUE_READY        0x44\r
+#define VIRTIO_MMIO_OFFSET_QUEUE_DESC_LO      0x80\r
+#define VIRTIO_MMIO_OFFSET_QUEUE_DESC_HI      0x84\r
+#define VIRTIO_MMIO_OFFSET_QUEUE_AVAIL_LO     0x90\r
+#define VIRTIO_MMIO_OFFSET_QUEUE_AVAIL_HI     0x94\r
+#define VIRTIO_MMIO_OFFSET_QUEUE_USED_LO      0xa0\r
+#define VIRTIO_MMIO_OFFSET_QUEUE_USED_HI      0xa4\r
+#define VIRTIO_MMIO_OFFSET_CONFIG_GENERATION  0xfc\r
 \r
 #endif // _VIRTIO_1_0_H_\r