diff options
Diffstat (limited to 'drivers/staging/unisys/visorbus/visorbus_private.h')
| -rw-r--r-- | drivers/staging/unisys/visorbus/visorbus_private.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/drivers/staging/unisys/visorbus/visorbus_private.h b/drivers/staging/unisys/visorbus/visorbus_private.h new file mode 100644 index 000000000000..2f12483e38ab --- /dev/null +++ b/drivers/staging/unisys/visorbus/visorbus_private.h @@ -0,0 +1,69 @@ +/* visorchipset.h + * + * Copyright (C) 2010 - 2013 UNISYS CORPORATION + * All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at + * your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for more + * details. + */ + +#ifndef __VISORCHIPSET_H__ +#define __VISORCHIPSET_H__ + +#include <linux/uuid.h> + +#include "controlvmchannel.h" +#include "vbusdeviceinfo.h" +#include "vbushelper.h" + +/* These functions will be called from within visorchipset when certain + * events happen. (The implementation of these functions is outside of + * visorchipset.) + */ +struct visorchipset_busdev_notifiers { + void (*bus_create)(struct visor_device *bus_info); + void (*bus_destroy)(struct visor_device *bus_info); + void (*device_create)(struct visor_device *bus_info); + void (*device_destroy)(struct visor_device *bus_info); + void (*device_pause)(struct visor_device *bus_info); + void (*device_resume)(struct visor_device *bus_info); +}; + +/* These functions live inside visorchipset, and will be called to indicate + * responses to specific events (by code outside of visorchipset). + * For now, the value for each response is simply either: + * 0 = it worked + * -1 = it failed + */ +struct visorchipset_busdev_responders { + void (*bus_create)(struct visor_device *p, int response); + void (*bus_destroy)(struct visor_device *p, int response); + void (*device_create)(struct visor_device *p, int response); + void (*device_destroy)(struct visor_device *p, int response); + void (*device_pause)(struct visor_device *p, int response); + void (*device_resume)(struct visor_device *p, int response); +}; + +/** Register functions (in the bus driver) to get called by visorchipset + * whenever a bus or device appears for which this guest is to be the + * client for. visorchipset will fill in <responders>, to indicate + * functions the bus driver should call to indicate message responses. + */ +void +visorchipset_register_busdev( + struct visorchipset_busdev_notifiers *notifiers, + struct visorchipset_busdev_responders *responders, + struct ultra_vbus_deviceinfo *driver_info); + +/* visorbus init and exit functions */ +int visorbus_init(void); +void visorbus_exit(void); +#endif |