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| author | Dexuan Cui <decui@microsoft.com> | 2016-01-28 07:29:40 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-08 06:34:12 +0100 |
| commit | 5c23a1a5c60b0f472cfa61cd7d8279f8aaeb5b64 (patch) | |
| tree | 700ec3910bf1b48fae5ce2f4b15f0e32af39b9e1 /drivers/hv/channel.c | |
| parent | Drivers: hv: vmbus: vmbus_sendpacket_ctl: hvsock: avoid unnecessary signaling (diff) | |
| download | linux-5c23a1a5c60b0f472cfa61cd7d8279f8aaeb5b64.tar.xz linux-5c23a1a5c60b0f472cfa61cd7d8279f8aaeb5b64.zip | |
Drivers: hv: vmbus: define a new VMBus message type for hvsock
A function to send the type of message is also added.
The coming net/hvsock driver will use this function to proactively request
the host to offer a VMBus channel for a new hvsock connection.
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>
Diffstat (limited to 'drivers/hv/channel.c')
| -rw-r--r-- | drivers/hv/channel.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c index 3f0453302146..fcab234796ef 100644 --- a/drivers/hv/channel.c +++ b/drivers/hv/channel.c @@ -219,6 +219,21 @@ error0: } EXPORT_SYMBOL_GPL(vmbus_open); +/* Used for Hyper-V Socket: a guest client's connect() to the host */ +int vmbus_send_tl_connect_request(const uuid_le *shv_guest_servie_id, + const uuid_le *shv_host_servie_id) +{ + struct vmbus_channel_tl_connect_request conn_msg; + + memset(&conn_msg, 0, sizeof(conn_msg)); + conn_msg.header.msgtype = CHANNELMSG_TL_CONNECT_REQUEST; + conn_msg.guest_endpoint_id = *shv_guest_servie_id; + conn_msg.host_service_id = *shv_host_servie_id; + + return vmbus_post_msg(&conn_msg, sizeof(conn_msg)); +} +EXPORT_SYMBOL_GPL(vmbus_send_tl_connect_request); + /* * create_gpadl_header - Creates a gpadl for the specified buffer */ |