diff options
Diffstat (limited to 'include/linux/hyperv.h')
| -rw-r--r-- | include/linux/hyperv.h | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index 192ed8fbc403..11b5612dc066 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -163,6 +163,7 @@ static inline u32 hv_get_bytes_to_write(const struct hv_ring_buffer_info *rbi) * 2 . 4 (Windows 8) * 3 . 0 (Windows 8 R2) * 4 . 0 (Windows 10) + * 5 . 0 (Newer Windows 10) */ #define VERSION_WS2008 ((0 << 16) | (13)) @@ -170,10 +171,11 @@ static inline u32 hv_get_bytes_to_write(const struct hv_ring_buffer_info *rbi) #define VERSION_WIN8 ((2 << 16) | (4)) #define VERSION_WIN8_1 ((3 << 16) | (0)) #define VERSION_WIN10 ((4 << 16) | (0)) +#define VERSION_WIN10_V5 ((5 << 16) | (0)) #define VERSION_INVAL -1 -#define VERSION_CURRENT VERSION_WIN10 +#define VERSION_CURRENT VERSION_WIN10_V5 /* Make maximum size of pipe payload of 16K */ #define MAX_PIPE_DATA_PAYLOAD (sizeof(u8) * 16384) @@ -570,7 +572,14 @@ struct vmbus_channel_initiate_contact { struct vmbus_channel_message_header header; u32 vmbus_version_requested; u32 target_vcpu; /* The VCPU the host should respond to */ - u64 interrupt_page; + union { + u64 interrupt_page; + struct { + u8 msg_sint; + u8 padding1[3]; + u32 padding2; + }; + }; u64 monitor_page1; u64 monitor_page2; } __packed; @@ -585,6 +594,19 @@ struct vmbus_channel_tl_connect_request { struct vmbus_channel_version_response { struct vmbus_channel_message_header header; u8 version_supported; + + u8 connection_state; + u16 padding; + + /* + * On new hosts that support VMBus protocol 5.0, we must use + * VMBUS_MESSAGE_CONNECTION_ID_4 for the Initiate Contact Message, + * and for subsequent messages, we must use the Message Connection ID + * field in the host-returned Version Response Message. + * + * On old hosts, we should always use VMBUS_MESSAGE_CONNECTION_ID (1). + */ + u32 msg_conn_id; } __packed; enum vmbus_channel_state { |