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Drivers: hv: vmbus: add a per-channel rescind callback

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This will be used by the coming hv_sock driver.

Signed-off-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dexuan Cui
2016-01-27 22:29:42 -08:00
committed by Greg Kroah-Hartman
parent 8981da320a
commit 499e8401a5
2 changed files with 20 additions and 0 deletions
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9
include/linux/hyperv.h
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@@ -765,6 +765,12 @@ struct vmbus_channel {
*/
void (*sc_creation_callback)(struct vmbus_channel *new_sc);
/*
* Channel rescind callback. Some channels (the hvsock ones), need to
* register a callback which is invoked in vmbus_onoffer_rescind().
*/
void (*chn_rescind_callback)(struct vmbus_channel *channel);
/*
* The spinlock to protect the structure. It is being used to protect
* test-and-set access to various attributes of the structure as well
@@ -851,6 +857,9 @@ int vmbus_request_offers(void);
void vmbus_set_sc_create_callback(struct vmbus_channel *primary_channel,
void (*sc_cr_cb)(struct vmbus_channel *new_sc));
void vmbus_set_chn_rescind_callback(struct vmbus_channel *channel,
void (*chn_rescind_cb)(struct vmbus_channel *));
/*
* Retrieve the (sub) channel on which to send an outgoing request.
* When a primary channel has multiple sub-channels, we choose a