diff options
Diffstat (limited to 'drivers/staging/hv/VmbusApi.h')
| -rw-r--r-- | drivers/staging/hv/VmbusApi.h | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/drivers/staging/hv/VmbusApi.h b/drivers/staging/hv/VmbusApi.h deleted file mode 100644 index d089bb193e7..00000000000 --- a/drivers/staging/hv/VmbusApi.h +++ /dev/null @@ -1,175 +0,0 @@ -/* - * - * 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> - * - */ - - -#ifndef _VMBUS_API_H_ -#define _VMBUS_API_H_ - -#define MAX_PAGE_BUFFER_COUNT 16 -#define MAX_MULTIPAGE_BUFFER_COUNT 32 /* 128K */ - -#pragma pack(push, 1) - -/* Single-page buffer */ -struct hv_page_buffer { - u32 Length; - u32 Offset; - u64 Pfn; -}; - -/* Multiple-page buffer */ -struct hv_multipage_buffer { - /* Length and Offset determines the # of pfns in the array */ - u32 Length; - u32 Offset; - u64 PfnArray[MAX_MULTIPAGE_BUFFER_COUNT]; -}; - -/* 0x18 includes the proprietary packet header */ -#define MAX_PAGE_BUFFER_PACKET (0x18 + \ - (sizeof(struct hv_page_buffer) * \ - MAX_PAGE_BUFFER_COUNT)) -#define MAX_MULTIPAGE_BUFFER_PACKET (0x18 + \ - sizeof(struct hv_multipage_buffer)) - - -#pragma pack(pop) - -struct hv_driver; -struct hv_device; - -struct hv_dev_port_info { - u32 InterruptMask; - u32 ReadIndex; - u32 WriteIndex; - u32 BytesAvailToRead; - u32 BytesAvailToWrite; -}; - -struct hv_device_info { - u32 ChannelId; - u32 ChannelState; - struct hv_guid ChannelType; - struct hv_guid ChannelInstance; - - u32 MonitorId; - u32 ServerMonitorPending; - u32 ServerMonitorLatency; - u32 ServerMonitorConnectionId; - u32 ClientMonitorPending; - u32 ClientMonitorLatency; - u32 ClientMonitorConnectionId; - - struct hv_dev_port_info Inbound; - struct hv_dev_port_info Outbound; -}; - -struct vmbus_channel_interface { - int (*Open)(struct hv_device *Device, u32 SendBufferSize, - u32 RecvRingBufferSize, void *UserData, u32 UserDataLen, - void (*ChannelCallback)(void *context), - void *Context); - void (*Close)(struct hv_device *device); - int (*SendPacket)(struct hv_device *Device, const void *Buffer, - u32 BufferLen, u64 RequestId, u32 Type, u32 Flags); - int (*SendPacketPageBuffer)(struct hv_device *dev, - struct hv_page_buffer PageBuffers[], - u32 PageCount, void *Buffer, u32 BufferLen, - u64 RequestId); - int (*SendPacketMultiPageBuffer)(struct hv_device *device, - struct hv_multipage_buffer *mpb, - void *Buffer, - u32 BufferLen, - u64 RequestId); - int (*RecvPacket)(struct hv_device *dev, void *buf, u32 buflen, - u32 *BufferActualLen, u64 *RequestId); - int (*RecvPacketRaw)(struct hv_device *dev, void *buf, u32 buflen, - u32 *BufferActualLen, u64 *RequestId); - int (*EstablishGpadl)(struct hv_device *dev, void *buf, u32 buflen, - u32 *GpadlHandle); - int (*TeardownGpadl)(struct hv_device *device, u32 GpadlHandle); - void (*GetInfo)(struct hv_device *dev, struct hv_device_info *devinfo); -}; - -/* Base driver object */ -struct hv_driver { - const char *name; - - /* the device type supported by this driver */ - struct hv_guid deviceType; - - int (*OnDeviceAdd)(struct hv_device *device, void *data); - int (*OnDeviceRemove)(struct hv_device *device); - void (*OnCleanup)(struct hv_driver *driver); - - struct vmbus_channel_interface VmbusChannelInterface; -}; - -/* Base device object */ -struct hv_device { - /* the driver for this device */ - struct hv_driver *Driver; - - char name[64]; - - /* the device type id of this device */ - struct hv_guid deviceType; - - /* the device instance id of this device */ - struct hv_guid deviceInstance; - - void *context; - - /* Device extension; */ - void *Extension; -}; - -/* Vmbus driver object */ -struct vmbus_driver { - /* !! Must be the 1st field !! */ - /* FIXME if ^, then someone is doing somthing stupid */ - struct hv_driver Base; - - /* Set by the caller */ - struct hv_device * (*OnChildDeviceCreate)(struct hv_guid *DeviceType, - struct hv_guid *DeviceInstance, - void *Context); - void (*OnChildDeviceDestroy)(struct hv_device *device); - int (*OnChildDeviceAdd)(struct hv_device *RootDevice, - struct hv_device *ChildDevice); - void (*OnChildDeviceRemove)(struct hv_device *device); - - /* Set by the callee */ - int (*OnIsr)(struct hv_driver *driver); - void (*OnMsgDpc)(struct hv_driver *driver); - void (*OnEventDpc)(struct hv_driver *driver); - void (*GetChannelOffers)(void); - - void (*GetChannelInterface)(struct vmbus_channel_interface *i); - void (*GetChannelInfo)(struct hv_device *dev, - struct hv_device_info *devinfo); -}; - -int VmbusInitialize(struct hv_driver *drv); - -#endif /* _VMBUS_API_H_ */ |