drivers/staging/hv/mousevsc_api.h

   1 /*
   2  *  Copyright 2009 Citrix Systems, Inc.
   3  *
   4  *  This program is free software; you can redistribute it and/or modify
   5  *  it under the terms of the GNU General Public License as published by
   6  *  the Free Software Foundation; either version 2 of the License, or
   7  *  (at your option) any later version.
   8  *
   9  *  This program is distributed in the hope that it will be useful,
  10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *  GNU General Public License for more details.
  13  *
  14  *  You should have received a copy of the GNU General Public License along
  15  *  with this program; if not, write to the Free Software Foundation, Inc.,
  16  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  *
  18  *  For clarity, the licensor of this program does not intend that a
  19  *  "derivative work" include code which compiles header information from
  20  *  this program.
  21  *
  22  *  This code has been modified from its original by
  23  *  Hank Janssen <hjanssen@microsoft.com>
  24  *
  25  */
  26
  27 #ifndef _INPUTVSC_API_H_
  28 #define _INPUTVSC_API_H_
  29
  30 #include "vmbus_api.h"
  31
  32 /*
  33  * Defines
  34  */
  35 #define INPUTVSC_SEND_RING_BUFFER_SIZE          10*PAGE_SIZE
  36 #define INPUTVSC_RECV_RING_BUFFER_SIZE          10*PAGE_SIZE
  37
  38
  39 /*
  40  * Data types
  41  */
  42 struct input_dev_info {
  43         unsigned short VendorID;
  44         unsigned short ProductID;
  45         unsigned short VersionNumber;
  46         char           Name[128];
  47 };
  48
  49 /* Represents the input vsc driver */
  50 struct mousevsc_drv_obj {
  51         struct hv_driver Base; // Must be the first field
  52         /*
  53          * This is set by the caller to allow us to callback when
  54          * we receive a packet from the "wire"
  55          */
  56         void (*OnDeviceInfo)(struct hv_device *dev,
  57                              struct input_dev_info* info);
  58         void (*OnInputReport)(struct hv_device *dev, void* packet, u32 len);
  59         void (*OnReportDescriptor)(struct hv_device *dev,
  60                                    void* packet, u32 len);
  61         /* Specific to this driver */
  62         int (*OnOpen)(struct hv_device *Device);
  63         int (*OnClose)(struct hv_device *Device);
  64         void *Context;
  65 };
  66
  67
  68 /*
  69  * Interface
  70  */
  71 int mouse_vsc_initialize(struct hv_driver *drv);
  72
  73 #endif // _INPUTVSC_API_H_