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Diffstat (limited to 'drivers/staging/hv/vmbus.h')
-rw-r--r-- | drivers/staging/hv/vmbus.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/drivers/staging/hv/vmbus.h b/drivers/staging/hv/vmbus.h new file mode 100644 index 000000000000..44a784c02327 --- /dev/null +++ b/drivers/staging/hv/vmbus.h @@ -0,0 +1,99 @@ +/* + * + * 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_H_ +#define _VMBUS_H_ + +#include <linux/device.h> + +#include "include/VmbusApi.h" + + +/* Data types */ + + +typedef int (*PFN_DRIVERINITIALIZE)(struct hv_driver *drv); +typedef int (*PFN_DRIVEREXIT)(struct hv_driver *drv); + +struct driver_context { + struct hv_guid class_id; + + struct device_driver driver; + + /* Use these methods instead of the struct device_driver so 2.6 kernel stops complaining */ + int (*probe)(struct device *); + int (*remove)(struct device *); + void (*shutdown)(struct device *); +}; + +struct device_context { + struct work_struct probe_failed_work_item; + struct hv_guid class_id; + struct hv_guid device_id; + int probe_error; + struct device device; + struct hv_device device_obj; +}; + + + +/* Global */ + + + +/* Inlines */ + +static inline struct device_context *to_device_context(struct hv_device *device_obj) +{ + return container_of(device_obj, struct device_context, device_obj); +} + +static inline struct device_context *device_to_device_context(struct device *device) +{ + return container_of(device, struct device_context, device); +} + +static inline struct driver_context *driver_to_driver_context(struct device_driver *driver) +{ + return container_of(driver, struct driver_context, driver); +} + + +/* Vmbus interface */ + +int vmbus_child_driver_register( + struct driver_context* driver_ctx + ); + +void +vmbus_child_driver_unregister( + struct driver_context *driver_ctx + ); + +void +vmbus_get_interface( + VMBUS_CHANNEL_INTERFACE *interface + ); + +#endif /* _VMBUS_H_ */ |