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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 "vmbus_private.h"
static int IVmbusChannelOpen(struct hv_device *device, u32 SendBufferSize,
u32 RecvRingBufferSize, void *UserData,
u32 UserDataLen,
void (*ChannelCallback)(void *context),
void *Context)
{
return VmbusChannelOpen(device->context, SendBufferSize,
RecvRingBufferSize, UserData, UserDataLen,
ChannelCallback, Context);
}
static void IVmbusChannelClose(struct hv_device *device)
{
VmbusChannelClose(device->context);
}
static int IVmbusChannelSendPacket(struct hv_device *device, const void *Buffer,
u32 BufferLen, u64 RequestId, u32 Type,
u32 Flags)
{
return VmbusChannelSendPacket(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(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(device->context,
MultiPageBuffer, Buffer,
BufferLen, RequestId);
}
static int IVmbusChannelRecvPacket(struct hv_device *device, void *Buffer,
u32 BufferLen, u32 *BufferActualLen,
u64 *RequestId)
{
return VmbusChannelRecvPacket(device->context, Buffer, BufferLen,
BufferActualLen, RequestId);
}
static int IVmbusChannelRecvPacketRaw(struct hv_device *device, void *Buffer,
u32 BufferLen, u32 *BufferActualLen,
u64 *RequestId)
{
return VmbusChannelRecvPacketRaw(device->context, Buffer, BufferLen,
BufferActualLen, RequestId);
}
static int IVmbusChannelEstablishGpadl(struct hv_device *device, void *Buffer,
u32 BufferLen, u32 *GpadlHandle)
{
return VmbusChannelEstablishGpadl(device->context, Buffer, BufferLen,
GpadlHandle);
}
static int IVmbusChannelTeardownGpadl(struct hv_device *device, u32 GpadlHandle)
{
return VmbusChannelTeardownGpadl(device->context, GpadlHandle);
}
void GetChannelInterface(struct vmbus_channel_interface *iface)
{
iface->Open = IVmbusChannelOpen;
iface->Close = IVmbusChannelClose;
iface->SendPacket = IVmbusChannelSendPacket;
iface->SendPacketPageBuffer = IVmbusChannelSendPacketPageBuffer;
iface->SendPacketMultiPageBuffer =
IVmbusChannelSendPacketMultiPageBuffer;
iface->RecvPacket = IVmbusChannelRecvPacket;
iface->RecvPacketRaw = IVmbusChannelRecvPacketRaw;
iface->EstablishGpadl = IVmbusChannelEstablishGpadl;
iface->TeardownGpadl = IVmbusChannelTeardownGpadl;
iface->GetInfo = GetChannelInfo;
}
void GetChannelInfo(struct hv_device *device, struct hv_device_info *info)
{
struct vmbus_channel_debug_info debugInfo;
if (!device->context)
return;
VmbusChannelGetDebugInfo(device->context, &debugInfo);
info->ChannelId = debugInfo.RelId;
info->ChannelState = debugInfo.State;
memcpy(&info->ChannelType, &debugInfo.InterfaceType,
sizeof(struct hv_guid));
memcpy(&info->ChannelInstance, &debugInfo.InterfaceInstance,
sizeof(struct hv_guid));
info->MonitorId = debugInfo.MonitorId;
info->ServerMonitorPending = debugInfo.ServerMonitorPending;
info->ServerMonitorLatency = debugInfo.ServerMonitorLatency;
info->ServerMonitorConnectionId = debugInfo.ServerMonitorConnectionId;
info->ClientMonitorPending = debugInfo.ClientMonitorPending;
info->ClientMonitorLatency = debugInfo.ClientMonitorLatency;
info->ClientMonitorConnectionId = debugInfo.ClientMonitorConnectionId;
info->Inbound.InterruptMask = debugInfo.Inbound.CurrentInterruptMask;
info->Inbound.ReadIndex = debugInfo.Inbound.CurrentReadIndex;
info->Inbound.WriteIndex = debugInfo.Inbound.CurrentWriteIndex;
info->Inbound.BytesAvailToRead = debugInfo.Inbound.BytesAvailToRead;
info->Inbound.BytesAvailToWrite = debugInfo.Inbound.BytesAvailToWrite;
info->Outbound.InterruptMask = debugInfo.Outbound.CurrentInterruptMask;
info->Outbound.ReadIndex = debugInfo.Outbound.CurrentReadIndex;
info->Outbound.WriteIndex = debugInfo.Outbound.CurrentWriteIndex;
info->Outbound.BytesAvailToRead = debugInfo.Outbound.BytesAvailToRead;
info->Outbound.BytesAvailToWrite = debugInfo.Outbound.BytesAvailToWrite;
}
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