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Drivers: hv: vmbus: define a new VMBus message type for hvsock

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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>
This commit is contained in:
Dexuan Cui
2016-01-27 22:29:40 -08:00
committed by Greg Kroah-Hartman
parent 5f363bc38f
commit 5c23a1a5c6
3 changed files with 32 additions and 0 deletions
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13
include/linux/hyperv.h
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@@ -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 */