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    Subject[PATCH 153/206] Staging: hv:Include the contents of channel.h
    Date
    The subject line says it all.

    Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
    Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
    Signed-off-by: Abhishek Kane <v-abkane@microsoft.com>
    Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
    ---
    include/linux/hyperv.h | 89 ++++++++++++++++++++++++++++++++++++++++++++++++
    1 files changed, 89 insertions(+), 0 deletions(-)

    diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
    index ce27244..d13d72a 100644
    --- a/include/linux/hyperv.h
    +++ b/include/linux/hyperv.h
    @@ -21,3 +21,92 @@
    * K. Y. Srinivasan <kys@microsoft.com>
    *
    */
    +
    +#ifndef _HYPERV_H
    +#define _HYPERV_H
    +
    +#include "channel_mgmt.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 /* _HYPERV_H_ */
    --
    1.7.4.1


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