git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| ab057781 HJ |
1 | /* |
| 2 | * | |
| 3 | * Copyright (c) 2009, Microsoft Corporation. | |
| 4 | * | |
| 5 | * This program is free software; you can redistribute it and/or modify it | |
| 6 | * under the terms and conditions of the GNU General Public License, | |
| 7 | * version 2, as published by the Free Software Foundation. | |
| 8 | * | |
| 9 | * This program is distributed in the hope it will be useful, but WITHOUT | |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
| 12 | * more details. | |
| 13 | * | |
| 14 | * You should have received a copy of the GNU General Public License along with | |
| 15 | * this program; if not, write to the Free Software Foundation, Inc., 59 Temple | |
| 16 | * Place - Suite 330, Boston, MA 02111-1307 USA. | |
| 17 | * | |
| 18 | * Authors: | |
| 19 | * Haiyang Zhang <haiyangz@microsoft.com> | |
| 20 | * Hank Janssen <hjanssen@microsoft.com> | |
| 21 | * | |
| 22 | */ | |
| 23 | ||
| 24 | ||
| 25 | #ifndef _VMBUS_H_ | |
| 26 | #define _VMBUS_H_ | |
| 27 | ||
| 28 | #include <linux/device.h> | |
| 29 | ||
| 30 | #include "VmbusApi.h" | |
| 31 | ||
| 32 | // | |
| 33 | // Data types | |
| 34 | // | |
| 35 | ||
| 36 | typedef int (*PFN_DRIVERINITIALIZE)(DRIVER_OBJECT *drv); | |
| 37 | typedef int (*PFN_DRIVEREXIT)(DRIVER_OBJECT *drv); | |
| 38 | ||
| 39 | struct driver_context { | |
| 40 | GUID class_id; | |
| 41 | ||
| 42 | struct device_driver driver; | |
| 43 | ||
| 44 | // Use these methods instead of the struct device_driver so 2.6 kernel stops complaining | |
| 45 | int (*probe)(struct device *); | |
| 46 | int (*remove)(struct device *); | |
| 47 | void (*shutdown)(struct device *); | |
| 48 | }; | |
| 49 | ||
| 50 | struct device_context { | |
| 51 | struct work_struct probe_failed_work_item; | |
| 52 | GUID class_id; | |
| 53 | GUID device_id; | |
| 54 | int probe_error; | |
| 55 | struct device device; | |
| 56 | DEVICE_OBJECT device_obj; | |
| 57 | }; | |
| 58 | ||
| 59 | ||
| 60 | // | |
| 61 | // Global | |
| 62 | // | |
| 63 | ||
| 64 | // | |
| 65 | // Inlines | |
| 66 | // | |
| 67 | static inline struct device_context *to_device_context(DEVICE_OBJECT *device_obj) | |
| 68 | { | |
| 69 | return container_of(device_obj, struct device_context, device_obj); | |
| 70 | } | |
| 71 | ||
| 72 | static inline struct device_context *device_to_device_context(struct device *device) | |
| 73 | { | |
| 74 | return container_of(device, struct device_context, device); | |
| 75 | } | |
| 76 | ||
| 77 | static inline struct driver_context *driver_to_driver_context(struct device_driver *driver) | |
| 78 | { | |
| 79 | return container_of(driver, struct driver_context, driver); | |
| 80 | } | |
| 81 | ||
| 82 | #if defined(KERNEL_2_6_5) | |
| 83 | static inline void* kzalloc(int size, int flags) | |
| 84 | { | |
| 85 | void *p; | |
| 86 | p = kmalloc(size, flags); | |
| 87 | if (p) memset(p, 0, size); | |
| 88 | ||
| 89 | return p; | |
| 90 | } | |
| 91 | #endif // KERNEL_2_6_5 | |
| 92 | ||
| 93 | // | |
| 94 | // Vmbus interface | |
| 95 | // | |
| 96 | void | |
| 97 | vmbus_child_driver_register( | |
| 98 | struct driver_context* driver_ctx | |
| 99 | ); | |
| 100 | ||
| 101 | void | |
| 102 | vmbus_child_driver_unregister( | |
| 103 | struct driver_context *driver_ctx | |
| 104 | ); | |
| 105 | ||
| 106 | void | |
| 107 | vmbus_get_interface( | |
| 108 | VMBUS_CHANNEL_INTERFACE *interface | |
| 109 | ); | |
| 110 | ||
| 111 | #endif // _VMBUS_H_ |