---

yaml
---
r: 162246
b: refs/heads/master
c: 64a1403
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 223c1aa632dbad672ad9b907e5d5e8f385417945
+refs/heads/master: 64a1403d797d38c0bd18ba43bda5653c012c0d58

trunk/drivers/staging/hv/NetVsc.h

@@ -25,12 +25,253 @@
 #define _NETVSC_H_
 
 #include "include/VmbusPacketFormat.h"
-#include "include/nvspprotocol.h"
-
+#include "include/VmbusChannelInterface.h"
 #include "include/List.h"
-
 #include "include/NetVscApi.h"
 
+
+#define NVSP_INVALID_PROTOCOL_VERSION	((u32)0xFFFFFFFF)
+
+#define NVSP_PROTOCOL_VERSION_1		2
+#define NVSP_MIN_PROTOCOL_VERSION	NVSP_PROTOCOL_VERSION_1
+#define NVSP_MAX_PROTOCOL_VERSION	NVSP_PROTOCOL_VERSION_1
+
+enum {
+	NvspMessageTypeNone = 0,
+
+	/* Init Messages */
+	NvspMessageTypeInit			= 1,
+	NvspMessageTypeInitComplete		= 2,
+
+	NvspVersionMessageStart			= 100,
+
+	/* Version 1 Messages */
+	NvspMessage1TypeSendNdisVersion		= NvspVersionMessageStart,
+
+	NvspMessage1TypeSendReceiveBuffer,
+	NvspMessage1TypeSendReceiveBufferComplete,
+	NvspMessage1TypeRevokeReceiveBuffer,
+
+	NvspMessage1TypeSendSendBuffer,
+	NvspMessage1TypeSendSendBufferComplete,
+	NvspMessage1TypeRevokeSendBuffer,
+
+	NvspMessage1TypeSendRNDISPacket,
+	NvspMessage1TypeSendRNDISPacketComplete,
+
+	/*
+	 * This should be set to the number of messages for the version with
+	 * the maximum number of messages.
+	 */
+	NvspNumMessagePerVersion		= 9,
+};
+
+enum {
+	NvspStatusNone = 0,
+	NvspStatusSuccess,
+	NvspStatusFailure,
+	NvspStatusProtocolVersionRangeTooNew,
+	NvspStatusProtocolVersionRangeTooOld,
+	NvspStatusInvalidRndisPacket,
+	NvspStatusBusy,
+	NvspStatusMax,
+};
+
+struct nvsp_message_header {
+	u32 MessageType;
+};
+
+/* Init Messages */
+
+/*
+ * This message is used by the VSC to initialize the channel after the channels
+ * has been opened. This message should never include anything other then
+ * versioning (i.e. this message will be the same for ever).
+ */
+struct nvsp_message_init {
+	u32 MinProtocolVersion;
+	u32 MaxProtocolVersion;
+} __attribute__((packed));
+
+/*
+ * This message is used by the VSP to complete the initialization of the
+ * channel. This message should never include anything other then versioning
+ * (i.e. this message will be the same for ever).
+ */
+struct nvsp_message_init_complete {
+	u32 NegotiatedProtocolVersion;
+	u32 MaximumMdlChainLength;
+	u32 Status;
+} __attribute__((packed));
+
+union nvsp_message_init_uber {
+	struct nvsp_message_init Init;
+	struct nvsp_message_init_complete InitComplete;
+} __attribute__((packed));
+
+/* Version 1 Messages */
+
+/*
+ * This message is used by the VSC to send the NDIS version to the VSP. The VSP
+ * can use this information when handling OIDs sent by the VSC.
+ */
+struct nvsp_1_message_send_ndis_version {
+	u32 NdisMajorVersion;
+	u32 NdisMinorVersion;
+} __attribute__((packed));
+
+/*
+ * This message is used by the VSC to send a receive buffer to the VSP. The VSP
+ * can then use the receive buffer to send data to the VSC.
+ */
+struct nvsp_1_message_send_receive_buffer {
+	u32 GpadlHandle;
+	u16 Id;
+} __attribute__((packed));
+
+struct nvsp_1_receive_buffer_section {
+	u32 Offset;
+	u32 SubAllocationSize;
+	u32 NumSubAllocations;
+	u32 EndOffset;
+} __attribute__((packed));
+
+/*
+ * This message is used by the VSP to acknowledge a receive buffer send by the
+ * VSC. This message must be sent by the VSP before the VSP uses the receive
+ * buffer.
+ */
+struct nvsp_1_message_send_receive_buffer_complete {
+	u32 Status;
+	u32 NumSections;
+
+	/*
+	 * The receive buffer is split into two parts, a large suballocation
+	 * section and a small suballocation section. These sections are then
+	 * suballocated by a certain size.
+	 */
+
+	/*
+	 * For example, the following break up of the receive buffer has 6
+	 * large suballocations and 10 small suballocations.
+	 */
+
+	/*
+	 * |            Large Section          |  |   Small Section   |
+	 * ------------------------------------------------------------
+	 * |     |     |     |     |     |     |  | | | | | | | | | | |
+	 * |                                      |
+	 *  LargeOffset                            SmallOffset
+	 */
+
+	struct nvsp_1_receive_buffer_section Sections[1];
+} __attribute__((packed));
+
+/*
+ * This message is sent by the VSC to revoke the receive buffer.  After the VSP
+ * completes this transaction, the vsp should never use the receive buffer
+ * again.
+ */
+struct nvsp_1_message_revoke_receive_buffer {
+	u16 Id;
+};
+
+/*
+ * This message is used by the VSC to send a send buffer to the VSP. The VSC
+ * can then use the send buffer to send data to the VSP.
+ */
+struct nvsp_1_message_send_send_buffer {
+	u32 GpadlHandle;
+	u16 Id;
+} __attribute__((packed));
+
+/*
+ * This message is used by the VSP to acknowledge a send buffer sent by the
+ * VSC. This message must be sent by the VSP before the VSP uses the sent
+ * buffer.
+ */
+struct nvsp_1_message_send_send_buffer_complete {
+	u32 Status;
+
+	/*
+	 * The VSC gets to choose the size of the send buffer and the VSP gets
+	 * to choose the sections size of the buffer.  This was done to enable
+	 * dynamic reconfigurations when the cost of GPA-direct buffers
+	 * decreases.
+	 */
+	u32 SectionSize;
+} __attribute__((packed));
+
+/*
+ * This message is sent by the VSC to revoke the send buffer.  After the VSP
+ * completes this transaction, the vsp should never use the send buffer again.
+ */
+struct nvsp_1_message_revoke_send_buffer {
+	u16 Id;
+};
+
+/*
+ * This message is used by both the VSP and the VSC to send a RNDIS message to
+ * the opposite channel endpoint.
+ */
+struct nvsp_1_message_send_rndis_packet {
+	/*
+	 * This field is specified by RNIDS. They assume there's two different
+	 * channels of communication. However, the Network VSP only has one.
+	 * Therefore, the channel travels with the RNDIS packet.
+	 */
+	u32 ChannelType;
+
+	/*
+	 * This field is used to send part or all of the data through a send
+	 * buffer. This values specifies an index into the send buffer. If the
+	 * index is 0xFFFFFFFF, then the send buffer is not being used and all
+	 * of the data was sent through other VMBus mechanisms.
+	 */
+	u32 SendBufferSectionIndex;
+	u32 SendBufferSectionSize;
+} __attribute__((packed));
+
+/*
+ * This message is used by both the VSP and the VSC to complete a RNDIS message
+ * to the opposite channel endpoint. At this point, the initiator of this
+ * message cannot use any resources associated with the original RNDIS packet.
+ */
+struct nvsp_1_message_send_rndis_packet_complete {
+	u32 Status;
+};
+
+union nvsp_1_message_uber {
+	struct nvsp_1_message_send_ndis_version SendNdisVersion;
+
+	struct nvsp_1_message_send_receive_buffer SendReceiveBuffer;
+	struct nvsp_1_message_send_receive_buffer_complete
+						SendReceiveBufferComplete;
+	struct nvsp_1_message_revoke_receive_buffer RevokeReceiveBuffer;
+
+	struct nvsp_1_message_send_send_buffer SendSendBuffer;
+	struct nvsp_1_message_send_send_buffer_complete SendSendBufferComplete;
+	struct nvsp_1_message_revoke_send_buffer RevokeSendBuffer;
+
+	struct nvsp_1_message_send_rndis_packet SendRNDISPacket;
+	struct nvsp_1_message_send_rndis_packet_complete
+						SendRNDISPacketComplete;
+} __attribute__((packed));
+
+union nvsp_all_messages {
+	union nvsp_message_init_uber InitMessages;
+	union nvsp_1_message_uber Version1Messages;
+} __attribute__((packed));
+
+/* ALL Messages */
+struct nvsp_message {
+	struct nvsp_message_header Header;
+	union nvsp_all_messages Messages;
+} __attribute__((packed));
+
+
+
+
 /* #define NVSC_MIN_PROTOCOL_VERSION		1 */
 /* #define NVSC_MAX_PROTOCOL_VERSION		1 */