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#include "vmbus_api.h" 30 31struct driver_context { 32 struct hv_guid class_id; 33 34 struct device_driver driver; 35 36 /* 37 * Use these methods instead of the struct device_driver so 2.6 kernel 38 * stops complaining 39 * TODO - fix this! 40 */ 41 int (*probe)(struct device *); 42 int (*remove)(struct device *); 43 void (*shutdown)(struct device *); 44}; 45 46struct vm_device { 47 struct work_struct probe_failed_work_item; 48 struct hv_guid class_id; 49 struct hv_guid device_id; 50 int probe_error; 51 struct hv_device device_obj; 52 struct device device; 53}; 54 55static inline struct vm_device *to_vm_device(struct hv_device *d) 56{ 57 return container_of(d, struct vm_device, device_obj); 58} 59 60static inline struct vm_device *device_to_vm_device(struct device *d) 61{ 62 return container_of(d, struct vm_device, device); 63} 64 65static inline struct driver_context *driver_to_driver_context(struct device_driver *d) 66{ 67 return container_of(d, struct driver_context, driver); 68} 69 70 71/* Vmbus interface */ 72 73int vmbus_child_driver_register(struct driver_context *driver_ctx); 74void vmbus_child_driver_unregister(struct driver_context *driver_ctx); 75void vmbus_get_interface(struct vmbus_channel_interface *interface); 76 77extern struct completion hv_channel_ready; 78 79#endif /* _VMBUS_H_ */ 80