Differential D2574 Diff 5447 sys/dev/hyperv/vmbus/hv_vmbus_priv.h

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sys/dev/hyperv/vmbus/hv_vmbus_priv.h

Show First 20 Lines • Show All 175 Lines • ▼ Show 20 Lines	enum {
HV_VMBUS_MONITOR_PORT_ID = 3,		HV_VMBUS_MONITOR_PORT_ID = 3,
HV_VMBUS_MESSAGE_SINT = 2		HV_VMBUS_MESSAGE_SINT = 2
};		};

#define HV_PRESENT_BIT 0x80000000		#define HV_PRESENT_BIT 0x80000000

#define HV_HYPERCALL_PARAM_ALIGN sizeof(uint64_t)		#define HV_HYPERCALL_PARAM_ALIGN sizeof(uint64_t)

/*
* 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;

/*
* Definition of the hv_vmbus_signal_event hypercall input structure
*/
typedef struct {		typedef struct {
hv_vmbus_connection_id connection_id;
uint16_t flag_number;
uint16_t rsvd_z;
} __packed hv_vmbus_input_signal_event;

typedef struct {
uint64_t align8;
hv_vmbus_input_signal_event event;
} __packed hv_vmbus_input_signal_event_buffer;

typedef struct {
uint64_t guest_id;		uint64_t guest_id;
void* hypercall_page;		void* hypercall_page;
hv_bool_uint8_t syn_ic_initialized;		hv_bool_uint8_t syn_ic_initialized;

		hv_vmbus_handle syn_ic_msg_page[MAXCPU];
		hv_vmbus_handle syn_ic_event_page[MAXCPU];
/*		/*
* This is used as an input param to HV_CALL_SIGNAL_EVENT hypercall.		* For FreeBSD cpuid to Hyper-V vcpuid mapping.
* The input param is immutable in our usage and
* must be dynamic mem (vs stack or global).
*/		*/
hv_vmbus_input_signal_event_buffer *signal_event_buffer;		uint32_t hv_vcpu_index[MAXCPU];
/*		/*
* 8-bytes aligned of the buffer above		* Each cpu has its own software interrupt handler for channel
		* event and msg handling.
*/		*/
hv_vmbus_input_signal_event *signal_event_param;		struct intr_event *hv_event_intr_event[MAXCPU];
		struct intr_event *hv_msg_intr_event[MAXCPU];
hv_vmbus_handle syn_ic_msg_page[MAXCPU];		void *event_swintr[MAXCPU];
hv_vmbus_handle syn_ic_event_page[MAXCPU];		void *msg_swintr[MAXCPU];
		/*
		* Host use this vector to intrrupt guest for vmbus channel
		* event and msg.
		*/
		unsigned int hv_cb_vector;
} hv_vmbus_context;		} hv_vmbus_context;

/*		/*
* Define hypervisor message types		* Define hypervisor message types
*/		*/
typedef enum {		typedef enum {

HV_MESSAGE_TYPE_NONE = 0x00000000,		HV_MESSAGE_TYPE_NONE = 0x00000000,
▲ Show 20 Lines • Show All 128 Lines • ▼ Show 20 Lines	typedef struct {
* 2 pages - 1st page for parent->child		* 2 pages - 1st page for parent->child
* notification and 2nd is child->parent		* notification and 2nd is child->parent
* notification		* notification
*/		*/
void *monitor_pages;		void *monitor_pages;
TAILQ_HEAD(, hv_vmbus_channel_msg_info) channel_msg_anchor;		TAILQ_HEAD(, hv_vmbus_channel_msg_info) channel_msg_anchor;
struct mtx channel_msg_lock;		struct mtx channel_msg_lock;
/**		/**
* List of channels		* List of primary channels. Sub channels will be linked
		* under their primary channel.
*/		*/
TAILQ_HEAD(, hv_vmbus_channel) channel_anchor;		TAILQ_HEAD(, hv_vmbus_channel) channel_anchor;
struct mtx channel_lock;		struct mtx channel_lock;

hv_vmbus_handle work_queue;		hv_vmbus_handle work_queue;
struct sema control_sema;		struct sema control_sema;
} hv_vmbus_connection;		} hv_vmbus_connection;

▲ Show 20 Lines • Show All 175 Lines • ▼ Show 20 Lines
/*		/*
* Define the synthetic interrupt controller event flags format		* Define the synthetic interrupt controller event flags format
*/		*/
typedef union {		typedef union {
uint8_t flags8[HV_EVENT_FLAGS_BYTE_COUNT];		uint8_t flags8[HV_EVENT_FLAGS_BYTE_COUNT];
uint32_t flags32[HV_EVENT_FLAGS_DWORD_COUNT];		uint32_t flags32[HV_EVENT_FLAGS_DWORD_COUNT];
} hv_vmbus_synic_event_flags;		} hv_vmbus_synic_event_flags;

		/* MSR used to provide vcpu index */
		#define HV_X64_MSR_VP_INDEX (0x40000002)

/*		/*
* Define synthetic interrupt controller model specific registers		* Define synthetic interrupt controller model specific registers
*/		*/
#define HV_X64_MSR_SCONTROL (0x40000080)		#define HV_X64_MSR_SCONTROL (0x40000080)
#define HV_X64_MSR_SVERSION (0x40000081)		#define HV_X64_MSR_SVERSION (0x40000081)
#define HV_X64_MSR_SIEFP (0x40000082)		#define HV_X64_MSR_SIEFP (0x40000082)
#define HV_X64_MSR_SIMP (0x40000083)		#define HV_X64_MSR_SIMP (0x40000083)
▲ Show 20 Lines • Show All 42 Lines • ▼ Show 20 Lines	int hv_vmbus_ring_buffer_init(
uint32_t buffer_len);		uint32_t buffer_len);

void hv_ring_buffer_cleanup(		void hv_ring_buffer_cleanup(
hv_vmbus_ring_buffer_info *ring_info);		hv_vmbus_ring_buffer_info *ring_info);

int hv_ring_buffer_write(		int hv_ring_buffer_write(
hv_vmbus_ring_buffer_info *ring_info,		hv_vmbus_ring_buffer_info *ring_info,
hv_vmbus_sg_buffer_list sg_buffers[],		hv_vmbus_sg_buffer_list sg_buffers[],
uint32_t sg_buff_count);		uint32_t sg_buff_count,
		boolean_t *need_sig);

int hv_ring_buffer_peek(		int hv_ring_buffer_peek(
hv_vmbus_ring_buffer_info *ring_info,		hv_vmbus_ring_buffer_info *ring_info,
void *buffer,		void *buffer,
uint32_t buffer_len);		uint32_t buffer_len);

int hv_ring_buffer_read(		int hv_ring_buffer_read(
hv_vmbus_ring_buffer_info *ring_info,		hv_vmbus_ring_buffer_info *ring_info,
void *buffer,		void *buffer,
uint32_t buffer_len,		uint32_t buffer_len,
uint32_t offset);		uint32_t offset);

uint32_t hv_vmbus_get_ring_buffer_interrupt_mask(		uint32_t hv_vmbus_get_ring_buffer_interrupt_mask(
hv_vmbus_ring_buffer_info *ring_info);		hv_vmbus_ring_buffer_info *ring_info);

void hv_vmbus_dump_ring_info(		void hv_vmbus_dump_ring_info(
hv_vmbus_ring_buffer_info *ring_info,		hv_vmbus_ring_buffer_info *ring_info,
char *prefix);		char *prefix);

		void hv_ring_buffer_read_begin(
		hv_vmbus_ring_buffer_info *ring_info);

		uint32_t hv_ring_buffer_read_end(
		hv_vmbus_ring_buffer_info *ring_info);

hv_vmbus_channel* hv_vmbus_allocate_channel(void);		hv_vmbus_channel* hv_vmbus_allocate_channel(void);
void hv_vmbus_free_vmbus_channel(hv_vmbus_channel *channel);		void hv_vmbus_free_vmbus_channel(hv_vmbus_channel *channel);
void hv_vmbus_on_channel_message(void *context);		void hv_vmbus_on_channel_message(void *context);
int hv_vmbus_request_channel_offers(void);		int hv_vmbus_request_channel_offers(void);
void hv_vmbus_release_unattached_channels(void);		void hv_vmbus_release_unattached_channels(void);
int hv_vmbus_init(void);		int hv_vmbus_init(void);
void hv_vmbus_cleanup(void);		void hv_vmbus_cleanup(void);

uint16_t hv_vmbus_post_msg_via_msg_ipc(		uint16_t hv_vmbus_post_msg_via_msg_ipc(
hv_vmbus_connection_id connection_id,		hv_vmbus_connection_id connection_id,
hv_vmbus_msg_type message_type,		hv_vmbus_msg_type message_type,
void *payload,		void *payload,
size_t payload_size);		size_t payload_size);

uint16_t hv_vmbus_signal_event(void);		uint16_t hv_vmbus_signal_event(void *con_id);
void hv_vmbus_synic_init(void *irq_arg);		void hv_vmbus_synic_init(void *irq_arg);
void hv_vmbus_synic_cleanup(void *arg);		void hv_vmbus_synic_cleanup(void *arg);
int hv_vmbus_query_hypervisor_presence(void);		int hv_vmbus_query_hypervisor_presence(void);

struct hv_device* hv_vmbus_child_device_create(		struct hv_device* hv_vmbus_child_device_create(
hv_guid device_type,		hv_guid device_type,
hv_guid device_instance,		hv_guid device_instance,
hv_vmbus_channel *channel);		hv_vmbus_channel *channel);

int hv_vmbus_child_device_register(		int hv_vmbus_child_device_register(
struct hv_device *child_dev);		struct hv_device *child_dev);
int hv_vmbus_child_device_unregister(		int hv_vmbus_child_device_unregister(
struct hv_device *child_dev);		struct hv_device *child_dev);
hv_vmbus_channel* hv_vmbus_get_channel_from_rel_id(uint32_t rel_id);		hv_vmbus_channel* hv_vmbus_get_channel_from_rel_id(uint32_t rel_id);

/**		/**
* Connection interfaces		* Connection interfaces
*/		*/
int hv_vmbus_connect(void);		int hv_vmbus_connect(void);
int hv_vmbus_disconnect(void);		int hv_vmbus_disconnect(void);
int hv_vmbus_post_message(void *buffer, size_t buf_size);		int hv_vmbus_post_message(void *buffer, size_t buf_size);
int hv_vmbus_set_event(uint32_t child_rel_id);		int hv_vmbus_set_event(hv_vmbus_channel *channel);
void hv_vmbus_on_events(void *);		void hv_vmbus_on_events(void *);


/*		/*
* The guest OS needs to register the guest ID with the hypervisor.		* The guest OS needs to register the guest ID with the hypervisor.
* The guest ID is a 64 bit entity and the structure of this ID is		* The guest ID is a 64 bit entity and the structure of this ID is
* specified in the Hyper-V specification:		* specified in the Hyper-V specification:
*		*
Show All 27 Lines	static inline uint64_t hv_generate_guest_id(
guest_id \|= (((uint64_t)(distro_id_part1)) << 48);		guest_id \|= (((uint64_t)(distro_id_part1)) << 48);
guest_id \|= (((uint64_t)(__FreeBSD_version)) << 16); /* in param.h */		guest_id \|= (((uint64_t)(__FreeBSD_version)) << 16); /* in param.h */
guest_id \|= ((uint64_t)(distro_id_part2));		guest_id \|= ((uint64_t)(distro_id_part2));
return guest_id;		return guest_id;
}		}

typedef struct {		typedef struct {
unsigned int vector;		unsigned int vector;
void *page_buffers[2];		void page_buffers[2 MAXCPU];
} hv_setup_args;		} hv_setup_args;

#endif /* __HYPERV_PRIV_H__ */		#endif /* __HYPERV_PRIV_H__ */