| /* |
| * |
| * Copyright (c) 2009, Microsoft Corporation. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms and conditions of the GNU General Public License, |
| * version 2, as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| * You should have received a copy of the GNU General Public License along with |
| * this program; if not, write to the Free Software Foundation, Inc., 59 Temple |
| * Place - Suite 330, Boston, MA 02111-1307 USA. |
| * |
| * Authors: |
| * Haiyang Zhang <haiyangz@microsoft.com> |
| * Hank Janssen <hjanssen@microsoft.com> |
| * |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/mm.h> |
| #include "osd.h" |
| #include "VmbusPrivate.h" |
| |
| static int |
| IVmbusChannelOpen( |
| struct hv_device *Device, |
| u32 SendBufferSize, |
| u32 RecvRingBufferSize, |
| void * UserData, |
| u32 UserDataLen, |
| VMBUS_CHANNEL_CALLBACK ChannelCallback, |
| void * Context |
| ) |
| { |
| return VmbusChannelOpen((struct vmbus_channel *)Device->context, |
| SendBufferSize, |
| RecvRingBufferSize, |
| UserData, |
| UserDataLen, |
| ChannelCallback, |
| Context); |
| } |
| |
| |
| static void |
| IVmbusChannelClose( |
| struct hv_device *Device |
| ) |
| { |
| VmbusChannelClose((struct vmbus_channel *)Device->context); |
| } |
| |
| |
| static int |
| IVmbusChannelSendPacket( |
| struct hv_device *Device, |
| const void * Buffer, |
| u32 BufferLen, |
| u64 RequestId, |
| u32 Type, |
| u32 Flags |
| ) |
| { |
| return VmbusChannelSendPacket((struct vmbus_channel *)Device->context, |
| Buffer, |
| BufferLen, |
| RequestId, |
| Type, |
| Flags); |
| } |
| |
| static int |
| IVmbusChannelSendPacketPageBuffer( |
| struct hv_device *Device, |
| PAGE_BUFFER PageBuffers[], |
| u32 PageCount, |
| void * Buffer, |
| u32 BufferLen, |
| u64 RequestId |
| ) |
| { |
| return VmbusChannelSendPacketPageBuffer((struct vmbus_channel *)Device->context, |
| PageBuffers, |
| PageCount, |
| Buffer, |
| BufferLen, |
| RequestId); |
| } |
| |
| static int |
| IVmbusChannelSendPacketMultiPageBuffer( |
| struct hv_device *Device, |
| MULTIPAGE_BUFFER *MultiPageBuffer, |
| void * Buffer, |
| u32 BufferLen, |
| u64 RequestId |
| ) |
| { |
| return VmbusChannelSendPacketMultiPageBuffer((struct vmbus_channel *)Device->context, |
| MultiPageBuffer, |
| Buffer, |
| BufferLen, |
| RequestId); |
| } |
| |
| static int |
| IVmbusChannelRecvPacket ( |
| struct hv_device *Device, |
| void * Buffer, |
| u32 BufferLen, |
| u32* BufferActualLen, |
| u64* RequestId |
| ) |
| { |
| return VmbusChannelRecvPacket((struct vmbus_channel *)Device->context, |
| Buffer, |
| BufferLen, |
| BufferActualLen, |
| RequestId); |
| } |
| |
| static int |
| IVmbusChannelRecvPacketRaw( |
| struct hv_device *Device, |
| void * Buffer, |
| u32 BufferLen, |
| u32* BufferActualLen, |
| u64* RequestId |
| ) |
| { |
| return VmbusChannelRecvPacketRaw((struct vmbus_channel *)Device->context, |
| Buffer, |
| BufferLen, |
| BufferActualLen, |
| RequestId); |
| } |
| |
| static int |
| IVmbusChannelEstablishGpadl( |
| struct hv_device *Device, |
| void * Buffer, |
| u32 BufferLen, |
| u32* GpadlHandle |
| ) |
| { |
| return VmbusChannelEstablishGpadl((struct vmbus_channel *)Device->context, |
| Buffer, |
| BufferLen, |
| GpadlHandle); |
| } |
| |
| static int |
| IVmbusChannelTeardownGpadl( |
| struct hv_device *Device, |
| u32 GpadlHandle |
| ) |
| { |
| return VmbusChannelTeardownGpadl((struct vmbus_channel *)Device->context, |
| GpadlHandle); |
| |
| } |
| |
| void GetChannelInterface(VMBUS_CHANNEL_INTERFACE *ChannelInterface) |
| { |
| ChannelInterface->Open = IVmbusChannelOpen; |
| ChannelInterface->Close = IVmbusChannelClose; |
| ChannelInterface->SendPacket = IVmbusChannelSendPacket; |
| ChannelInterface->SendPacketPageBuffer = IVmbusChannelSendPacketPageBuffer; |
| ChannelInterface->SendPacketMultiPageBuffer = IVmbusChannelSendPacketMultiPageBuffer; |
| ChannelInterface->RecvPacket = IVmbusChannelRecvPacket; |
| ChannelInterface->RecvPacketRaw = IVmbusChannelRecvPacketRaw; |
| ChannelInterface->EstablishGpadl = IVmbusChannelEstablishGpadl; |
| ChannelInterface->TeardownGpadl = IVmbusChannelTeardownGpadl; |
| ChannelInterface->GetInfo = GetChannelInfo; |
| } |
| |
| |
| void GetChannelInfo(struct hv_device *Device, DEVICE_INFO *DeviceInfo) |
| { |
| struct vmbus_channel_debug_info debugInfo; |
| |
| if (Device->context) |
| { |
| VmbusChannelGetDebugInfo((struct vmbus_channel *)Device->context, &debugInfo); |
| |
| DeviceInfo->ChannelId = debugInfo.RelId; |
| DeviceInfo->ChannelState = debugInfo.State; |
| memcpy(&DeviceInfo->ChannelType, &debugInfo.InterfaceType, sizeof(struct hv_guid)); |
| memcpy(&DeviceInfo->ChannelInstance, &debugInfo.InterfaceInstance, sizeof(struct hv_guid)); |
| |
| DeviceInfo->MonitorId = debugInfo.MonitorId; |
| |
| DeviceInfo->ServerMonitorPending = debugInfo.ServerMonitorPending; |
| DeviceInfo->ServerMonitorLatency = debugInfo.ServerMonitorLatency; |
| DeviceInfo->ServerMonitorConnectionId = debugInfo.ServerMonitorConnectionId; |
| |
| DeviceInfo->ClientMonitorPending = debugInfo.ClientMonitorPending; |
| DeviceInfo->ClientMonitorLatency = debugInfo.ClientMonitorLatency; |
| DeviceInfo->ClientMonitorConnectionId = debugInfo.ClientMonitorConnectionId; |
| |
| DeviceInfo->Inbound.InterruptMask = debugInfo.Inbound.CurrentInterruptMask; |
| DeviceInfo->Inbound.ReadIndex = debugInfo.Inbound.CurrentReadIndex; |
| DeviceInfo->Inbound.WriteIndex = debugInfo.Inbound.CurrentWriteIndex; |
| DeviceInfo->Inbound.BytesAvailToRead = debugInfo.Inbound.BytesAvailToRead; |
| DeviceInfo->Inbound.BytesAvailToWrite = debugInfo.Inbound.BytesAvailToWrite; |
| |
| DeviceInfo->Outbound.InterruptMask = debugInfo.Outbound.CurrentInterruptMask; |
| DeviceInfo->Outbound.ReadIndex = debugInfo.Outbound.CurrentReadIndex; |
| DeviceInfo->Outbound.WriteIndex = debugInfo.Outbound.CurrentWriteIndex; |
| DeviceInfo->Outbound.BytesAvailToRead = debugInfo.Outbound.BytesAvailToRead; |
| DeviceInfo->Outbound.BytesAvailToWrite = debugInfo.Outbound.BytesAvailToWrite; |
| } |
| } |