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authorDexuan Cui <decui@microsoft.com>2016-01-27 22:29:40 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-02-07 21:34:12 -0800
commit5c23a1a5c60b0f472cfa61cd7d8279f8aaeb5b64 (patch)
tree700ec3910bf1b48fae5ce2f4b15f0e32af39b9e1 /drivers/hv
parent5f363bc38f810d238d1e8b19998625ddec3b8138 (diff)
downloadlinux-5c23a1a5c60b0f472cfa61cd7d8279f8aaeb5b64.tar.bz2
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')
-rw-r--r--drivers/hv/channel.c15
-rw-r--r--drivers/hv/channel_mgmt.c4
2 files changed, 19 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
*/
diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
index d6c611457601..60ca25b93b4c 100644
--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -958,6 +958,10 @@ struct vmbus_channel_message_table_entry
{CHANNELMSG_VERSION_RESPONSE, 1, vmbus_onversion_response},
{CHANNELMSG_UNLOAD, 0, NULL},
{CHANNELMSG_UNLOAD_RESPONSE, 1, vmbus_unload_response},
+ {CHANNELMSG_18, 0, NULL},
+ {CHANNELMSG_19, 0, NULL},
+ {CHANNELMSG_20, 0, NULL},
+ {CHANNELMSG_TL_CONNECT_REQUEST, 0, NULL},
};
/*