diff options
| author | Dexuan Cui <decui@microsoft.com> | 2016-01-27 22:29:40 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-07 21:34:12 -0800 |
| commit | 5c23a1a5c60b0f472cfa61cd7d8279f8aaeb5b64 (patch) | |
| tree | 700ec3910bf1b48fae5ce2f4b15f0e32af39b9e1 | |
| parent | 5f363bc38f810d238d1e8b19998625ddec3b8138 (diff) | |
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>
| -rw-r--r-- | drivers/hv/channel.c | 15 | ||||
| -rw-r--r-- | drivers/hv/channel_mgmt.c | 4 | ||||
| -rw-r--r-- | include/linux/hyperv.h | 13 |
3 files changed, 32 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}, }; /* diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index 79c4aa70eff3..898eac9e8c13 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -392,6 +392,10 @@ enum vmbus_channel_message_type { CHANNELMSG_VERSION_RESPONSE = 15, CHANNELMSG_UNLOAD = 16, CHANNELMSG_UNLOAD_RESPONSE = 17, + CHANNELMSG_18 = 18, + CHANNELMSG_19 = 19, + CHANNELMSG_20 = 20, + CHANNELMSG_TL_CONNECT_REQUEST = 21, CHANNELMSG_COUNT }; @@ -562,6 +566,13 @@ struct vmbus_channel_initiate_contact { u64 monitor_page2; } __packed; +/* Hyper-V socket: guest's connect()-ing to host */ +struct vmbus_channel_tl_connect_request { + struct vmbus_channel_message_header header; + uuid_le guest_endpoint_id; + uuid_le host_service_id; +} __packed; + struct vmbus_channel_version_response { struct vmbus_channel_message_header header; u8 version_supported; @@ -1283,4 +1294,6 @@ void hv_process_channel_removal(struct vmbus_channel *channel, u32 relid); extern __u32 vmbus_proto_version; +int vmbus_send_tl_connect_request(const uuid_le *shv_guest_servie_id, + const uuid_le *shv_host_servie_id); #endif /* _HYPERV_H */ |