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hyperv/vmbus: Add function to drain channel interrupt task.

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MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D8045
This commit is contained in:
Sepherosa Ziehau 2016-09-28 04:25:25 +00:00
parent 5de11ef951
commit c8e8d13398
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=306389
2 changed files with 8 additions and 0 deletions
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1
sys/dev/hyperv/include/vmbus.h
View File

@ -133,6 +133,7 @@ int vmbus_chan_open_br(struct vmbus_channel *chan,
const struct vmbus_chan_br *cbr, const void *udata,
int udlen, vmbus_chan_callback_t cb, void *cbarg);
void vmbus_chan_close(struct vmbus_channel *chan);
void vmbus_chan_intr_drain(struct vmbus_channel *chan);
int vmbus_chan_gpadl_connect(struct vmbus_channel *chan,
bus_addr_t paddr, int size, uint32_t *gpadl);

7
sys/dev/hyperv/vmbus/vmbus_chan.c
View File

@ -756,6 +756,13 @@ vmbus_chan_close(struct vmbus_channel *chan)
vmbus_chan_close_internal(chan);
}
void
vmbus_chan_intr_drain(struct vmbus_channel *chan)
{
taskqueue_drain(chan->ch_tq, &chan->ch_task);
}
int
vmbus_chan_send(struct vmbus_channel *chan, uint16_t type, uint16_t flags,
void *data, int dlen, uint64_t xactid)