提交 5c23a1a5 编写于 作者: D Dexuan Cui 提交者: Greg Kroah-Hartman

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: NDexuan Cui <decui@microsoft.com>
Signed-off-by: NK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
上级 5f363bc3
......@@ -219,6 +219,21 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size,
}
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
*/
......
......@@ -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},
};
/*
......
......@@ -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 */
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册