Add a header with data structures and constants used in Hyper-V VMBus
hypervisor <-> guest interactions.
Based on the respective stuff from Linux kernel.
Signed-off-by: Roman Kagan <rka...@virtuozzo.com>
Signed-off-by: Maciej S. Szmigiero <maciej.szmigi...@oracle.com>
Signed-off-by: Jon Doron <ari...@gmail.com>
---
include/hw/hyperv/vmbus-proto.h | 222 ++++++++++++++++++++++++++++++++
1 file changed, 222 insertions(+)
create mode 100644 include/hw/hyperv/vmbus-proto.h
diff --git a/include/hw/hyperv/vmbus-proto.h b/include/hw/hyperv/vmbus-proto.h
new file mode 100644
index 0000000000..4628d3b323
--- /dev/null
+++ b/include/hw/hyperv/vmbus-proto.h
@@ -0,0 +1,222 @@
+/*
+ * QEMU Hyper-V VMBus support
+ *
+ * Copyright (c) 2017-2018 Virtuozzo International GmbH.
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef HW_HYPERV_VMBUS_PROTO_H
+#define HW_HYPERV_VMBUS_PROTO_H
+
+#define VMBUS_VERSION_WS2008 ((0 << 16) | (13))
+#define VMBUS_VERSION_WIN7 ((1 << 16) | (1))
+#define VMBUS_VERSION_WIN8 ((2 << 16) | (4))
+#define VMBUS_VERSION_WIN8_1 ((3 << 16) | (0))
+#define VMBUS_VERSION_WIN10 ((4 << 16) | (0))
+#define VMBUS_VERSION_INVAL -1
+#define VMBUS_VERSION_CURRENT VMBUS_VERSION_WIN10
+
+#define VMBUS_MESSAGE_CONNECTION_ID 1
+#define VMBUS_EVENT_CONNECTION_ID 2
+#define VMBUS_MONITOR_CONNECTION_ID 3
+#define VMBUS_SINT 2
+
+#define VMBUS_MSG_INVALID 0
+#define VMBUS_MSG_OFFERCHANNEL 1
+#define VMBUS_MSG_RESCIND_CHANNELOFFER 2
+#define VMBUS_MSG_REQUESTOFFERS 3
+#define VMBUS_MSG_ALLOFFERS_DELIVERED 4
+#define VMBUS_MSG_OPENCHANNEL 5
+#define VMBUS_MSG_OPENCHANNEL_RESULT 6
+#define VMBUS_MSG_CLOSECHANNEL 7
+#define VMBUS_MSG_GPADL_HEADER 8
+#define VMBUS_MSG_GPADL_BODY 9
+#define VMBUS_MSG_GPADL_CREATED 10
+#define VMBUS_MSG_GPADL_TEARDOWN 11
+#define VMBUS_MSG_GPADL_TORNDOWN 12
+#define VMBUS_MSG_RELID_RELEASED 13
+#define VMBUS_MSG_INITIATE_CONTACT 14
+#define VMBUS_MSG_VERSION_RESPONSE 15
+#define VMBUS_MSG_UNLOAD 16
+#define VMBUS_MSG_UNLOAD_RESPONSE 17
+#define VMBUS_MSG_COUNT 18
+
+#define VMBUS_MESSAGE_SIZE_ALIGN sizeof(uint64_t)
+
+#define VMBUS_PACKET_INVALID 0x0
+#define VMBUS_PACKET_SYNCH 0x1
+#define VMBUS_PACKET_ADD_XFER_PAGESET 0x2
+#define VMBUS_PACKET_RM_XFER_PAGESET 0x3
+#define VMBUS_PACKET_ESTABLISH_GPADL 0x4
+#define VMBUS_PACKET_TEARDOWN_GPADL 0x5
+#define VMBUS_PACKET_DATA_INBAND 0x6
+#define VMBUS_PACKET_DATA_USING_XFER_PAGES 0x7
+#define VMBUS_PACKET_DATA_USING_GPADL 0x8
+#define VMBUS_PACKET_DATA_USING_GPA_DIRECT 0x9
+#define VMBUS_PACKET_CANCEL_REQUEST 0xa
+#define VMBUS_PACKET_COMP 0xb
+#define VMBUS_PACKET_DATA_USING_ADDITIONAL_PKT 0xc
+#define VMBUS_PACKET_ADDITIONAL_DATA 0xd
+
+#define VMBUS_CHANNEL_USER_DATA_SIZE 120
+
+#define VMBUS_OFFER_MONITOR_ALLOCATED 0x1
+#define VMBUS_OFFER_INTERRUPT_DEDICATED 0x1
+
+#define VMBUS_RING_BUFFER_FEAT_PENDING_SZ (1ul << 0)
+
+#define VMBUS_CHANNEL_ENUMERATE_DEVICE_INTERFACE 0x1
+#define VMBUS_CHANNEL_SERVER_SUPPORTS_TRANSFER_PAGES 0x2
+#define VMBUS_CHANNEL_SERVER_SUPPORTS_GPADLS 0x4
+#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
+#define VMBUS_CHANNEL_TLNPI_PROVIDER_OFFER 0x2000
+
+#define VMBUS_PACKET_FLAG_REQUEST_COMPLETION 1
+
+typedef struct vmbus_message_header {
+ uint32_t message_type;
+ uint32_t _padding;
+} vmbus_message_header;
+
+typedef struct vmbus_message_initiate_contact {
+ vmbus_message_header header;
+ uint32_t version_requested;
+ uint32_t target_vcpu;
+ uint64_t interrupt_page;
+ uint64_t monitor_page1;
+ uint64_t monitor_page2;
+} vmbus_message_initiate_contact;
+
+typedef struct vmbus_message_version_response {
+ vmbus_message_header header;
+ uint8_t version_supported;
+ uint8_t status;
+} vmbus_message_version_response;
+
+typedef struct vmbus_message_offer_channel {
+ vmbus_message_header header;
+ uint8_t type_uuid[16];
+ uint8_t instance_uuid[16];
+ uint64_t _reserved1;
+ uint64_t _reserved2;
+ uint16_t channel_flags;
+ uint16_t mmio_size_mb;
+ uint8_t user_data[VMBUS_CHANNEL_USER_DATA_SIZE];
+ uint16_t sub_channel_index;
+ uint16_t _reserved3;
+ uint32_t child_relid;
+ uint8_t monitor_id;
+ uint8_t monitor_flags;
+ uint16_t interrupt_flags;
+ uint32_t connection_id;
+} vmbus_message_offer_channel;
+
+typedef struct vmbus_message_rescind_channel_offer {
+ vmbus_message_header header;
+ uint32_t child_relid;
+} vmbus_message_rescind_channel_offer;
+
+typedef struct vmbus_gpa_range {
+ uint32_t byte_count;
+ uint32_t byte_offset;
+ uint64_t pfn_array[];
+} vmbus_gpa_range;
+
+typedef struct vmbus_message_gpadl_header {
+ vmbus_message_header header;
+ uint32_t child_relid;
+ uint32_t gpadl_id;
+ uint16_t range_buflen;
+ uint16_t rangecount;
+ vmbus_gpa_range range[];
+} QEMU_PACKED vmbus_message_gpadl_header;
+
+typedef struct vmbus_message_gpadl_body {
+ vmbus_message_header header;
+ uint32_t message_number;
+ uint32_t gpadl_id;
+ uint64_t pfn_array[];
+} vmbus_message_gpadl_body;
+
+typedef struct vmbus_message_gpadl_created {
+ vmbus_message_header header;
+ uint32_t child_relid;
+ uint32_t gpadl_id;
+ uint32_t status;
+} vmbus_message_gpadl_created;
+
+typedef struct vmbus_message_gpadl_teardown {
+ vmbus_message_header header;
+ uint32_t child_relid;
+ uint32_t gpadl_id;
+} vmbus_message_gpadl_teardown;
+
+typedef struct vmbus_message_gpadl_torndown {
+ vmbus_message_header header;
+ uint32_t gpadl_id;
+} vmbus_message_gpadl_torndown;
+
+typedef struct vmbus_message_open_channel {
+ vmbus_message_header header;
+ uint32_t child_relid;
+ uint32_t open_id;
+ uint32_t ring_buffer_gpadl_id;
+ uint32_t target_vp;
+ uint32_t ring_buffer_offset;
+ uint8_t user_data[VMBUS_CHANNEL_USER_DATA_SIZE];
+} vmbus_message_open_channel;
+
+typedef struct vmbus_message_open_result {
+ vmbus_message_header header;
+ uint32_t child_relid;
+ uint32_t open_id;
+ uint32_t status;
+} vmbus_message_open_result;
+
+typedef struct vmbus_message_close_channel {
+ vmbus_message_header header;
+ uint32_t child_relid;
+} vmbus_message_close_channel;
+
+typedef struct vmbus_ring_buffer {
+ uint32_t write_index;
+ uint32_t read_index;
+ uint32_t interrupt_mask;
+ uint32_t pending_send_sz;
+ uint32_t _reserved1[12];
+ uint32_t feature_bits;
+} vmbus_ring_buffer;
+
+typedef struct vmbus_packet_hdr {
+ uint16_t type;
+ uint16_t offset_qwords;
+ uint16_t len_qwords;
+ uint16_t flags;
+ uint64_t transaction_id;
+} vmbus_packet_hdr;
+
+typedef struct vmbus_pkt_gpa_direct {
+ uint32_t _reserved;
+ uint32_t rangecount;
+ vmbus_gpa_range range[];
+} vmbus_pkt_gpa_direct;
+
+typedef struct vmbus_xferpg_range {
+ uint32_t byte_count;
+ uint32_t byte_offset;
+} vmbus_xferpg_range;
+
+typedef struct vmbus_pkt_xferpg {
+ uint16_t buffer_id;
+ uint8_t sender_owns_set;
+ uint8_t _reserved;
+ uint32_t rangecount;
+ vmbus_xferpg_range range[];
+} vmbus_pkt_xferpg;
+
+#endif
--
2.24.1
