| /* |
| * |
| * 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 "VmbusApi.h" |
| |
| // |
| // Data types |
| // |
| |
| typedef int (*PFN_DRIVERINITIALIZE)(DRIVER_OBJECT *drv); |
| typedef int (*PFN_DRIVEREXIT)(DRIVER_OBJECT *drv); |
| |
| struct driver_context { |
| 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; |
| GUID class_id; |
| GUID device_id; |
| int probe_error; |
| struct device device; |
| DEVICE_OBJECT device_obj; |
| }; |
| |
| |
| // |
| // Global |
| // |
| |
| // |
| // Inlines |
| // |
| static inline struct device_context *to_device_context(DEVICE_OBJECT *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); |
| } |
| |
| #if defined(KERNEL_2_6_5) |
| static inline void* kzalloc(int size, int flags) |
| { |
| void *p; |
| p = kmalloc(size, flags); |
| if (p) memset(p, 0, size); |
| |
| return p; |
| } |
| #endif // KERNEL_2_6_5 |
| |
| // |
| // Vmbus interface |
| // |
| void |
| 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_ |