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authorStefano Stabellini <sstabellini@kernel.org>2017-10-30 15:40:55 -0700
committerBoris Ostrovsky <boris.ostrovsky@oracle.com>2017-10-31 09:05:53 -0400
commitcb1c7d9bbc878a67af270ccd2d23f6d1450579db (patch)
tree6c8da668a5439ca54d5c6dfb72137c665eb680bc /drivers/sn
parent2195046bfd69e487d9a76dc47840f15c8412840c (diff)
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xen/pvcalls: implement connect command
Send PVCALLS_CONNECT to the backend. Allocate a new ring and evtchn for the active socket. Introduce fields in struct sock_mapping to keep track of active sockets. Introduce a waitqueue to allow the frontend to wait on data coming from the backend on the active socket (recvmsg command). Two mutexes (one of reads and one for writes) will be used to protect the active socket in and out rings from concurrent accesses. Signed-off-by: Stefano Stabellini <stefano@aporeto.com> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> CC: boris.ostrovsky@oracle.com CC: jgross@suse.com Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
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