xen/pvcalls: implement read

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When an active socket has data available, increment the io and read
counters, and schedule the ioworker.

Implement the read function by reading from the socket, writing the data
to the data ring.

Set in_error on error.

Signed-off-by: Stefano Stabellini <stefano@aporeto.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
CC: boris.ostrovsky@oracle.com
CC: jgross@suse.com
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>

...

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Stefano Stabellini 2017-07-06 11:01:08 -07:00 • committed by Boris Ostrovsky

parent 5d520d8580

commit b3f9f773af

1 changed files with 85 additions and 0 deletions

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drivers/xen/pvcalls-back.c

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