---

yaml
---
r: 162247
b: refs/heads/master
c: 2def7b8
h: refs/heads/master
i:
  162245: f653cf3
  162243: 7b3343d
  162239: 25bb782
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 64a1403d797d38c0bd18ba43bda5653c012c0d58
+refs/heads/master: 2def7b8bcd4c49ca71a950611c9d456fd35282d2

trunk/drivers/staging/hv/ChannelMgmt.h

@@ -29,9 +29,195 @@
 #include "RingBuffer.h"
 
 #include "include/VmbusChannelInterface.h"
-#include "include/ChannelMessages.h"
+#include "include/VmbusPacketFormat.h"
 
+/* Version 1 messages */
+enum vmbus_channel_message_type {
+	ChannelMessageInvalid			=  0,
+	ChannelMessageOfferChannel		=  1,
+	ChannelMessageRescindChannelOffer	=  2,
+	ChannelMessageRequestOffers		=  3,
+	ChannelMessageAllOffersDelivered	=  4,
+	ChannelMessageOpenChannel		=  5,
+	ChannelMessageOpenChannelResult		=  6,
+	ChannelMessageCloseChannel		=  7,
+	ChannelMessageGpadlHeader		=  8,
+	ChannelMessageGpadlBody			=  9,
+	ChannelMessageGpadlCreated		= 10,
+	ChannelMessageGpadlTeardown		= 11,
+	ChannelMessageGpadlTorndown		= 12,
+	ChannelMessageRelIdReleased		= 13,
+	ChannelMessageInitiateContact		= 14,
+	ChannelMessageVersionResponse		= 15,
+	ChannelMessageUnload			= 16,
+#ifdef VMBUS_FEATURE_PARENT_OR_PEER_MEMORY_MAPPED_INTO_A_CHILD
+	ChannelMessageViewRangeAdd		= 17,
+	ChannelMessageViewRangeRemove		= 18,
+#endif
+	ChannelMessageCount
+} __attribute__((packed));
 
+struct vmbus_channel_message_header {
+	enum vmbus_channel_message_type MessageType;
+	u32 Padding;
+} __attribute__((packed));
+
+/* Query VMBus Version parameters */
+struct vmbus_channel_query_vmbus_version {
+	struct vmbus_channel_message_header Header;
+	u32 Version;
+} __attribute__((packed));
+
+/* VMBus Version Supported parameters */
+struct vmbus_channel_version_supported {
+	struct vmbus_channel_message_header Header;
+	bool VersionSupported;
+} __attribute__((packed));
+
+/* Offer Channel parameters */
+struct vmbus_channel_offer_channel {
+	struct vmbus_channel_message_header Header;
+	struct vmbus_channel_offer Offer;
+	u32 ChildRelId;
+	u8 MonitorId;
+	bool MonitorAllocated;
+} __attribute__((packed));
+
+/* Rescind Offer parameters */
+struct vmbus_channel_rescind_offer {
+	struct vmbus_channel_message_header Header;
+	u32 ChildRelId;
+} __attribute__((packed));
+
+/*
+ * Request Offer -- no parameters, SynIC message contains the partition ID
+ * Set Snoop -- no parameters, SynIC message contains the partition ID
+ * Clear Snoop -- no parameters, SynIC message contains the partition ID
+ * All Offers Delivered -- no parameters, SynIC message contains the partition
+ *		           ID
+ * Flush Client -- no parameters, SynIC message contains the partition ID
+ */
+
+/* Open Channel parameters */
+struct vmbus_channel_open_channel {
+	struct vmbus_channel_message_header Header;
+
+	/* Identifies the specific VMBus channel that is being opened. */
+	u32 ChildRelId;
+
+	/* ID making a particular open request at a channel offer unique. */
+	u32 OpenId;
+
+	/* GPADL for the channel's ring buffer. */
+	u32 RingBufferGpadlHandle;
+
+	/* GPADL for the channel's server context save area. */
+	u32 ServerContextAreaGpadlHandle;
+
+	/*
+	* The upstream ring buffer begins at offset zero in the memory
+	* described by RingBufferGpadlHandle. The downstream ring buffer
+	* follows it at this offset (in pages).
+	*/
+	u32 DownstreamRingBufferPageOffset;
+
+	/* User-specific data to be passed along to the server endpoint. */
+	unsigned char UserData[MAX_USER_DEFINED_BYTES];
+} __attribute__((packed));
+
+/* Open Channel Result parameters */
+struct vmbus_channel_open_result {
+	struct vmbus_channel_message_header Header;
+	u32 ChildRelId;
+	u32 OpenId;
+	u32 Status;
+} __attribute__((packed));
+
+/* Close channel parameters; */
+struct vmbus_channel_close_channel {
+	struct vmbus_channel_message_header Header;
+	u32 ChildRelId;
+} __attribute__((packed));
+
+/* Channel Message GPADL */
+#define GPADL_TYPE_RING_BUFFER		1
+#define GPADL_TYPE_SERVER_SAVE_AREA	2
+#define GPADL_TYPE_TRANSACTION		8
+
+/*
+ * The number of PFNs in a GPADL message is defined by the number of
+ * pages that would be spanned by ByteCount and ByteOffset.  If the
+ * implied number of PFNs won't fit in this packet, there will be a
+ * follow-up packet that contains more.
+ */
+struct vmbus_channel_gpadl_header {
+	struct vmbus_channel_message_header Header;
+	u32 ChildRelId;
+	u32 Gpadl;
+	u16 RangeBufLen;
+	u16 RangeCount;
+	struct gpa_range Range[0];
+} __attribute__((packed));
+
+/* This is the followup packet that contains more PFNs. */
+struct vmbus_channel_gpadl_body {
+	struct vmbus_channel_message_header Header;
+	u32 MessageNumber;
+	u32 Gpadl;
+	u64 Pfn[0];
+} __attribute__((packed));
+
+struct vmbus_channel_gpadl_created {
+	struct vmbus_channel_message_header Header;
+	u32 ChildRelId;
+	u32 Gpadl;
+	u32 CreationStatus;
+} __attribute__((packed));
+
+struct vmbus_channel_gpadl_teardown {
+	struct vmbus_channel_message_header Header;
+	u32 ChildRelId;
+	u32 Gpadl;
+} __attribute__((packed));
+
+struct vmbus_channel_gpadl_torndown {
+	struct vmbus_channel_message_header Header;
+	u32 Gpadl;
+} __attribute__((packed));
+
+#ifdef VMBUS_FEATURE_PARENT_OR_PEER_MEMORY_MAPPED_INTO_A_CHILD
+struct vmbus_channel_view_range_add {
+	struct vmbus_channel_message_header Header;
+	PHYSICAL_ADDRESS ViewRangeBase;
+	u64 ViewRangeLength;
+	u32 ChildRelId;
+} __attribute__((packed));
+
+struct vmbus_channel_view_range_remove {
+	struct vmbus_channel_message_header Header;
+	PHYSICAL_ADDRESS ViewRangeBase;
+	u32 ChildRelId;
+} __attribute__((packed));
+#endif
+
+struct vmbus_channel_relid_released {
+	struct vmbus_channel_message_header Header;
+	u32 ChildRelId;
+} __attribute__((packed));
+
+struct vmbus_channel_initiate_contact {
+	struct vmbus_channel_message_header Header;
+	u32 VMBusVersionRequested;
+	u32 Padding2;
+	u64 InterruptPage;
+	u64 MonitorPage1;
+	u64 MonitorPage2;
+} __attribute__((packed));
+
+struct vmbus_channel_version_response {
+	struct vmbus_channel_message_header Header;
+	bool VersionSupported;
+} __attribute__((packed));
 
 typedef void (*PFN_CHANNEL_CALLBACK)(void *context);