These header files are intentionally minimal, and intentionally kept apart from the VirtIo 0.9.5 headers.
Cc: Ard Biesheuvel <ard.biesheu...@linaro.org> Cc: Jordan Justen <jordan.l.jus...@intel.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <ler...@redhat.com> --- OvmfPkg/Include/IndustryStandard/Virtio10.h | 81 ++++++++++++++++++++ OvmfPkg/Include/IndustryStandard/Virtio10Net.h | 31 ++++++++ 2 files changed, 112 insertions(+) diff --git a/OvmfPkg/Include/IndustryStandard/Virtio10.h b/OvmfPkg/Include/IndustryStandard/Virtio10.h new file mode 100644 index 000000000000..722475c4ea55 --- /dev/null +++ b/OvmfPkg/Include/IndustryStandard/Virtio10.h @@ -0,0 +1,81 @@ +/** @file + Definitions from the VirtIo 1.0 specification (csprd05). + + Copyright (C) 2016, Red Hat, Inc. + + This program and the accompanying materials are licensed and made available + under the terms and conditions of the BSD License which accompanies this + distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT + WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +**/ + +#ifndef _VIRTIO_1_0_H_ +#define _VIRTIO_1_0_H_ + +#include <Base.h> + +// +// Structures for parsing the VirtIo 1.0 specific PCI capabilities from the +// config space +// +#pragma pack (1) +typedef struct { + UINT8 CapId; // Capability identifier (generic) + UINT8 CapNext; // Link to next capability (generic) +} VIRTIO_PCI_CAP_LINK; + +typedef struct { + UINT8 ConfigType; // Identifies the specific VirtIo 1.0 config structure + UINT8 Bar; // The BAR that contains the structure + UINT8 Padding[3]; + UINT32 Offset; // Offset within Bar until the start of the structure + UINT32 Length; // Length of the structure +} VIRTIO_PCI_CAP; +#pragma pack () + +// +// Values for the VIRTIO_PCI_CAP.ConfigType field +// +#define VIRTIO_PCI_CAP_COMMON_CFG 1 // Common configuration +#define VIRTIO_PCI_CAP_NOTIFY_CFG 2 // Notifications +#define VIRTIO_PCI_CAP_DEVICE_CFG 4 // Device specific configuration + +// +// Structure pointed-to by Bar and Offset in VIRTIO_PCI_CAP when ConfigType is +// VIRTIO_PCI_CAP_COMMON_CFG +// +#pragma pack (1) +typedef struct { + UINT32 DeviceFeatureSelect; + UINT32 DeviceFeature; + UINT32 DriverFeatureSelect; + UINT32 DriverFeature; + UINT16 MsixConfig; + UINT16 NumQueues; + UINT8 DeviceStatus; + UINT8 ConfigGeneration; + UINT16 QueueSelect; + UINT16 QueueSize; + UINT16 QueueMsixVector; + UINT16 QueueEnable; + UINT16 QueueNotifyOff; + UINT64 QueueDesc; + UINT64 QueueAvail; + UINT64 QueueUsed; +} VIRTIO_PCI_COMMON_CFG; +#pragma pack () + +// +// VirtIo 1.0 device status bits +// +#define VSTAT_FEATURES_OK BIT3 + +// +// VirtIo 1.0 reserved (device-independent) feature bits +// +#define VIRTIO_F_VERSION_1 BIT32 + +#endif // _VIRTIO_1_0_H_ diff --git a/OvmfPkg/Include/IndustryStandard/Virtio10Net.h b/OvmfPkg/Include/IndustryStandard/Virtio10Net.h new file mode 100644 index 000000000000..2befc661dc62 --- /dev/null +++ b/OvmfPkg/Include/IndustryStandard/Virtio10Net.h @@ -0,0 +1,31 @@ +/** @file + Definitions from the VirtIo 1.0 specification (csprd05), specifically for the + network device. + + Copyright (C) 2016, Red Hat, Inc. + + This program and the accompanying materials are licensed and made available + under the terms and conditions of the BSD License which accompanies this + distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT + WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +**/ + +#ifndef _VIRTIO_1_0_NET_H_ +#define _VIRTIO_1_0_NET_H_ + +#include <IndustryStandard/VirtioNet.h> + +// +// VirtIo 1.0 packet header +// +#pragma pack (1) +typedef struct { + VIRTIO_NET_REQ Legacy; + UINT16 NumBuffers; +} VIRTIO_1_0_NET_REQ; +#pragma pack () + +#endif // _VIRTIO_1_0_NET_H_ -- 1.8.3.1 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
