+++ /dev/null
-/*
- *
- * 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 _CHANNEL_H_
-#define _CHANNEL_H_
-
-#include "hyperv.h"
-
-/* The format must be the same as struct vmdata_gpa_direct */
-struct vmbus_channel_packet_page_buffer {
- u16 type;
- u16 dataoffset8;
- u16 length8;
- u16 flags;
- u64 transactionid;
- u32 reserved;
- u32 rangecount;
- struct hv_page_buffer range[MAX_PAGE_BUFFER_COUNT];
-} __packed;
-
-/* The format must be the same as struct vmdata_gpa_direct */
-struct vmbus_channel_packet_multipage_buffer {
- u16 type;
- u16 dataoffset8;
- u16 length8;
- u16 flags;
- u64 transactionid;
- u32 reserved;
- u32 rangecount; /* Always 1 in this case */
- struct hv_multipage_buffer range;
-} __packed;
-
-
-extern int vmbus_open(struct vmbus_channel *channel,
- u32 send_ringbuffersize,
- u32 recv_ringbuffersize,
- void *userdata,
- u32 userdatalen,
- void(*onchannel_callback)(void *context),
- void *context);
-
-extern void vmbus_close(struct vmbus_channel *channel);
-
-extern int vmbus_sendpacket(struct vmbus_channel *channel,
- const void *buffer,
- u32 bufferLen,
- u64 requestid,
- enum vmbus_packet_type type,
- u32 flags);
-
-extern int vmbus_sendpacket_pagebuffer(struct vmbus_channel *channel,
- struct hv_page_buffer pagebuffers[],
- u32 pagecount,
- void *buffer,
- u32 bufferlen,
- u64 requestid);
-
-extern int vmbus_sendpacket_multipagebuffer(struct vmbus_channel *channel,
- struct hv_multipage_buffer *mpb,
- void *buffer,
- u32 bufferlen,
- u64 requestid);
-
-extern int vmbus_establish_gpadl(struct vmbus_channel *channel,
- void *kbuffer,
- u32 size,
- u32 *gpadl_handle);
-
-extern int vmbus_teardown_gpadl(struct vmbus_channel *channel,
- u32 gpadl_handle);
-
-extern int vmbus_recvpacket(struct vmbus_channel *channel,
- void *buffer,
- u32 bufferlen,
- u32 *buffer_actual_len,
- u64 *requestid);
-
-extern int vmbus_recvpacket_raw(struct vmbus_channel *channel,
- void *buffer,
- u32 bufferlen,
- u32 *buffer_actual_len,
- u64 *requestid);
-
-extern void vmbus_onchannel_event(struct vmbus_channel *channel);
-
-extern void vmbus_get_debug_info(struct vmbus_channel *channel,
- struct vmbus_channel_debug_info *debug);
-
-extern void vmbus_ontimer(unsigned long data);
-
-#endif /* _CHANNEL_H_ */
int vmbus_request_offers(void);
+/* The format must be the same as struct vmdata_gpa_direct */
+struct vmbus_channel_packet_page_buffer {
+ u16 type;
+ u16 dataoffset8;
+ u16 length8;
+ u16 flags;
+ u64 transactionid;
+ u32 reserved;
+ u32 rangecount;
+ struct hv_page_buffer range[MAX_PAGE_BUFFER_COUNT];
+} __packed;
+
+/* The format must be the same as struct vmdata_gpa_direct */
+struct vmbus_channel_packet_multipage_buffer {
+ u16 type;
+ u16 dataoffset8;
+ u16 length8;
+ u16 flags;
+ u64 transactionid;
+ u32 reserved;
+ u32 rangecount; /* Always 1 in this case */
+ struct hv_multipage_buffer range;
+} __packed;
+
+
+extern int vmbus_open(struct vmbus_channel *channel,
+ u32 send_ringbuffersize,
+ u32 recv_ringbuffersize,
+ void *userdata,
+ u32 userdatalen,
+ void(*onchannel_callback)(void *context),
+ void *context);
+
+extern void vmbus_close(struct vmbus_channel *channel);
+
+extern int vmbus_sendpacket(struct vmbus_channel *channel,
+ const void *buffer,
+ u32 bufferLen,
+ u64 requestid,
+ enum vmbus_packet_type type,
+ u32 flags);
+
+extern int vmbus_sendpacket_pagebuffer(struct vmbus_channel *channel,
+ struct hv_page_buffer pagebuffers[],
+ u32 pagecount,
+ void *buffer,
+ u32 bufferlen,
+ u64 requestid);
+
+extern int vmbus_sendpacket_multipagebuffer(struct vmbus_channel *channel,
+ struct hv_multipage_buffer *mpb,
+ void *buffer,
+ u32 bufferlen,
+ u64 requestid);
+
+extern int vmbus_establish_gpadl(struct vmbus_channel *channel,
+ void *kbuffer,
+ u32 size,
+ u32 *gpadl_handle);
+
+extern int vmbus_teardown_gpadl(struct vmbus_channel *channel,
+ u32 gpadl_handle);
+
+extern int vmbus_recvpacket(struct vmbus_channel *channel,
+ void *buffer,
+ u32 bufferlen,
+ u32 *buffer_actual_len,
+ u64 *requestid);
+
+extern int vmbus_recvpacket_raw(struct vmbus_channel *channel,
+ void *buffer,
+ u32 bufferlen,
+ u32 *buffer_actual_len,
+ u64 *requestid);
+
+extern void vmbus_onchannel_event(struct vmbus_channel *channel);
+
+extern void vmbus_get_debug_info(struct vmbus_channel *channel,
+ struct vmbus_channel_debug_info *debug);
+
+extern void vmbus_ontimer(unsigned long data);
+
#endif /* _HYPERV_H */