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/*
*
* 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,
struct hv_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,
struct hv_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(struct 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, struct hv_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;
}
}
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