The subject line says it all.
Signed-off-by: K. Y. Srinivasan <[email protected]>
Signed-off-by: Haiyang Zhang <[email protected]>
Signed-off-by: Abhishek Kane <[email protected]>
Signed-off-by: Hank Janssen <[email protected]>
---
include/linux/hyperv.h | 64 +++++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 63 insertions(+), 1 deletions(-)
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index d0eec1d..4872ba8 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -74,7 +74,69 @@ struct hv_ring_buffer_debug_info {
u32 bytes_avail_towrite;
};
-#include "vmbus_channel_interface.h"
+
+/*
+ * A revision number of vmbus that is used for ensuring both ends on a
+ * partition are using compatible versions.
+ */
+#define VMBUS_REVISION_NUMBER 13
+
+/* Make maximum size of pipe payload of 16K */
+#define MAX_PIPE_DATA_PAYLOAD (sizeof(u8) * 16384)
+
+/* Define PipeMode values. */
+#define VMBUS_PIPE_TYPE_BYTE 0x00000000
+#define VMBUS_PIPE_TYPE_MESSAGE 0x00000004
+
+/* The size of the user defined data buffer for non-pipe offers. */
+#define MAX_USER_DEFINED_BYTES 120
+
+/* The size of the user defined data buffer for pipe offers. */
+#define MAX_PIPE_USER_DEFINED_BYTES 116
+
+/*
+ * At the center of the Channel Management library is the Channel Offer. This
+ * struct contains the fundamental information about an offer.
+ */
+struct vmbus_channel_offer {
+ struct hv_guid if_type;
+ struct hv_guid if_instance;
+ u64 int_latency; /* in 100ns units */
+ u32 if_revision;
+ u32 server_ctx_size; /* in bytes */
+ u16 chn_flags;
+ u16 mmio_megabytes; /* in bytes * 1024 * 1024 */
+
+ union {
+ /* Non-pipes: The user has MAX_USER_DEFINED_BYTES bytes. */
+ struct {
+ unsigned char user_def[MAX_USER_DEFINED_BYTES];
+ } std;
+
+ /*
+ * Pipes:
+ * The following sructure is an integrated pipe protocol, which
+ * is implemented on top of standard user-defined data. Pipe
+ * clients have MAX_PIPE_USER_DEFINED_BYTES left for their own
+ * use.
+ */
+ struct {
+ u32 pipe_mode;
+ unsigned char user_def[MAX_PIPE_USER_DEFINED_BYTES];
+ } pipe;
+ } u;
+ u32 padding;
+} __packed;
+
+/* Server Flags */
+#define VMBUS_CHANNEL_ENUMERATE_DEVICE_INTERFACE 1
+#define VMBUS_CHANNEL_SERVER_SUPPORTS_TRANSFER_PAGES 2
+#define VMBUS_CHANNEL_SERVER_SUPPORTS_GPADLS 4
+#define VMBUS_CHANNEL_NAMED_PIPE_MODE 0x10
+#define VMBUS_CHANNEL_LOOPBACK_OFFER 0x100
+#define VMBUS_CHANNEL_PARENT_OFFER 0x200
+#define VMBUS_CHANNEL_REQUEST_MONITORED_NOTIFICATION 0x400
+
#include "vmbus_packet_format.h"
/* Version 1 messages */
--
1.7.4.1
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