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Drivers: hv: vmbus: Suport an API to send packet with additional control

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Implement an API that gives additional control on the what VMBUS flags will be
set as well as if the host needs to be signalled. This API will be
useful for clients that want to batch up requests to the host.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
K. Y. Srinivasan 2015-02-28 11:39:04 -08:00 • committed by Greg Kroah-Hartman
commit e9395e3f89
2 changed files with 34 additions and 17 deletions
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8
include/linux/hyperv.h
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@ -867,6 +867,14 @@ extern int vmbus_sendpacket(struct vmbus_channel *channel,
enum vmbus_packet_type type,
u32 flags);
extern int vmbus_sendpacket_ctl(struct vmbus_channel *channel,
void *buffer,
u32 bufferLen,
u64 requestid,
enum vmbus_packet_type type,
u32 flags,
bool kick_q);
extern int vmbus_sendpacket_pagebuffer(struct vmbus_channel *channel,
struct hv_page_buffer pagebuffers[],
u32 pagecount,