Differential D7091 Diff 18397 head/sys/dev/hyperv/include/hyperv.h

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head/sys/dev/hyperv/include/hyperv.h

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typedef struct {		typedef struct {
uint16_t type;		uint16_t type;
uint16_t data_offset8;		uint16_t data_offset8;
uint16_t length8;		uint16_t length8;
uint16_t flags;		uint16_t flags;
uint64_t transaction_id;		uint64_t transaction_id;
} __packed hv_vm_packet_descriptor;		} __packed hv_vm_packet_descriptor;

typedef uint32_t hv_previous_packet_offset;

typedef struct {		typedef struct {
hv_previous_packet_offset previous_packet_start_offset;
hv_vm_packet_descriptor descriptor;
} __packed hv_vm_packet_header;

typedef struct {
uint32_t byte_count;		uint32_t byte_count;
uint32_t byte_offset;		uint32_t byte_offset;
} __packed hv_vm_transfer_page;		} __packed hv_vm_transfer_page;

typedef struct {		typedef struct {
hv_vm_packet_descriptor d;		hv_vm_packet_descriptor d;
uint16_t transfer_page_set_id;		uint16_t transfer_page_set_id;
hv_bool_uint8_t sender_owns_set;		hv_bool_uint8_t sender_owns_set;
uint8_t reserved;		uint8_t reserved;
uint32_t range_count;		uint32_t range_count;
hv_vm_transfer_page ranges[1];		hv_vm_transfer_page ranges[1];
} __packed hv_vm_transfer_page_packet_header;		} __packed hv_vm_transfer_page_packet_header;

typedef struct {
hv_vm_packet_descriptor d;
uint32_t gpadl;
uint32_t reserved;
} __packed hv_vm_gpadl_packet_header;

typedef struct {
hv_vm_packet_descriptor d;
uint32_t gpadl;
uint16_t transfer_page_set_id;
uint16_t reserved;
} __packed hv_vm_add_remove_transfer_page_set;

/*
* This structure defines a range in guest
* physical space that can be made
* to look virtually contiguous.
*/

typedef struct {
uint32_t byte_count;
uint32_t byte_offset;
uint64_t pfn_array[0];
} __packed hv_gpa_range;

/*
* This is the format for an Establish Gpadl packet, which contains a handle
* by which this GPADL will be known and a set of GPA ranges associated with
* it. This can be converted to a MDL by the guest OS. If there are multiple
* GPA ranges, then the resulting MDL will be "chained," representing multiple
* VA ranges.
*/

typedef struct {
hv_vm_packet_descriptor d;
uint32_t gpadl;
uint32_t range_count;
hv_gpa_range range[1];
} __packed hv_vm_establish_gpadl;

/*
* This is the format for a Teardown Gpadl packet, which indicates that the
* GPADL handle in the Establish Gpadl packet will never be referenced again.
*/

typedef struct {
hv_vm_packet_descriptor d;
uint32_t gpadl;
/* for alignment to a 8-byte boundary */
uint32_t reserved;
} __packed hv_vm_teardown_gpadl;

/*
* This is the format for a GPA-Direct packet, which contains a set of GPA
* ranges, in addition to commands and/or data.
*/

typedef struct {
hv_vm_packet_descriptor d;
uint32_t reserved;
uint32_t range_count;
hv_gpa_range range[1];
} __packed hv_vm_data_gpa_direct;

/*
* This is the format for a Additional data Packet.
*/
typedef struct {
hv_vm_packet_descriptor d;
uint64_t total_bytes;
uint32_t byte_offset;
uint32_t byte_count;
uint8_t data[1];
} __packed hv_vm_additional_data;

typedef union {
hv_vm_packet_descriptor simple_header;
hv_vm_transfer_page_packet_header transfer_page_header;
hv_vm_gpadl_packet_header gpadl_header;
hv_vm_add_remove_transfer_page_set add_remove_transfer_page_header;
hv_vm_establish_gpadl establish_gpadl_header;
hv_vm_teardown_gpadl teardown_gpadl_header;
hv_vm_data_gpa_direct data_gpa_direct_header;
} __packed hv_vm_packet_largest_possible_header;

typedef enum {		typedef enum {
HV_VMBUS_PACKET_TYPE_INVALID = 0x0,		HV_VMBUS_PACKET_TYPE_INVALID = 0x0,
HV_VMBUS_PACKET_TYPES_SYNCH = 0x1,		HV_VMBUS_PACKET_TYPES_SYNCH = 0x1,
HV_VMBUS_PACKET_TYPE_ADD_TRANSFER_PAGE_SET = 0x2,		HV_VMBUS_PACKET_TYPE_ADD_TRANSFER_PAGE_SET = 0x2,
HV_VMBUS_PACKET_TYPE_REMOVE_TRANSFER_PAGE_SET = 0x3,		HV_VMBUS_PACKET_TYPE_REMOVE_TRANSFER_PAGE_SET = 0x3,
HV_VMBUS_PACKET_TYPE_ESTABLISH_GPADL = 0x4,		HV_VMBUS_PACKET_TYPE_ESTABLISH_GPADL = 0x4,
HV_VMBUS_PACKET_TYPE_TEAR_DOWN_GPADL = 0x5,		HV_VMBUS_PACKET_TYPE_TEAR_DOWN_GPADL = 0x5,
HV_VMBUS_PACKET_TYPE_DATA_IN_BAND = 0x6,		HV_VMBUS_PACKET_TYPE_DATA_IN_BAND = 0x6,
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} hv_vmbus_channel_msg_type;		} hv_vmbus_channel_msg_type;

typedef struct {		typedef struct {
hv_vmbus_channel_msg_type message_type;		hv_vmbus_channel_msg_type message_type;
uint32_t padding;		uint32_t padding;
} __packed hv_vmbus_channel_msg_header;		} __packed hv_vmbus_channel_msg_header;

/*		/*
* Query VMBus Version parameters
*/
typedef struct {
hv_vmbus_channel_msg_header header;
uint32_t version;
} __packed hv_vmbus_channel_query_vmbus_version;

/*
* Channel Offer parameters		* Channel Offer parameters
*/		*/
typedef struct {		typedef struct {
hv_vmbus_channel_msg_header header;		hv_vmbus_channel_msg_header header;
hv_vmbus_channel_offer offer;		hv_vmbus_channel_offer offer;
uint32_t child_rel_id;		uint32_t child_rel_id;
uint8_t monitor_id;		uint8_t monitor_id;
/*		/*
Show All 12 Lines	typedef struct {
*		*
* connection_id is used in signaling the host.		* connection_id is used in signaling the host.
*/		*/
uint16_t is_dedicated_interrupt:1;		uint16_t is_dedicated_interrupt:1;
uint16_t reserved1:15;		uint16_t reserved1:15;
uint32_t connection_id;		uint32_t connection_id;
} __packed hv_vmbus_channel_offer_channel;		} __packed hv_vmbus_channel_offer_channel;

/*
* Rescind Offer parameters
*/
typedef struct
{
hv_vmbus_channel_msg_header header;
uint32_t child_rel_id;
} __packed hv_vmbus_channel_rescind_offer;

typedef struct {
hv_vmbus_channel_msg_header header;
uint32_t child_rel_id;
} __packed hv_vmbus_channel_relid_released;

#define HW_MACADDR_LEN 6		#define HW_MACADDR_LEN 6

/*		/*
* Common defines for Hyper-V ICs		* Common defines for Hyper-V ICs
*/		*/
#define HV_ICMSGTYPE_NEGOTIATE 0		#define HV_ICMSGTYPE_NEGOTIATE 0
#define HV_ICMSGTYPE_HEARTBEAT 1		#define HV_ICMSGTYPE_HEARTBEAT 1
#define HV_ICMSGTYPE_KVPEXCHANGE 2		#define HV_ICMSGTYPE_KVPEXCHANGE 2
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typedef enum {		typedef enum {
HV_CHANNEL_OFFER_STATE,		HV_CHANNEL_OFFER_STATE,
HV_CHANNEL_OPENING_STATE,		HV_CHANNEL_OPENING_STATE,
HV_CHANNEL_OPEN_STATE,		HV_CHANNEL_OPEN_STATE,
HV_CHANNEL_OPENED_STATE,		HV_CHANNEL_OPENED_STATE,
HV_CHANNEL_CLOSING_NONDESTRUCTIVE_STATE,		HV_CHANNEL_CLOSING_NONDESTRUCTIVE_STATE,
} hv_vmbus_channel_state;		} hv_vmbus_channel_state;

/*
* Connection identifier type
*/
typedef union {
uint32_t as_uint32_t;
struct {
uint32_t id:24;
uint32_t reserved:8;
} u;

} __packed hv_vmbus_connection_id;

typedef struct hv_vmbus_channel {		typedef struct hv_vmbus_channel {
device_t ch_dev;		device_t ch_dev;
struct vmbus_softc *vmbus_sc;		struct vmbus_softc *vmbus_sc;
hv_vmbus_channel_state state;		hv_vmbus_channel_state state;
uint32_t ch_flags; /* VMBUS_CHAN_FLAG_ */		uint32_t ch_flags; /* VMBUS_CHAN_FLAG_ */
uint32_t ch_id; /* channel id */		uint32_t ch_id; /* channel id */

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