virtio.h File Reference

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Data Structures
struct	virtio_vring_t
union	pci_addr_t
struct	virtio_if_t
struct	virtio_main_t

Macros
#define	foreach_virtio_if_flag
#define	TX_QUEUE(X)   ((X*2) + 1)
#define	RX_QUEUE(X)   (X*2)
#define	TX_QUEUE_ACCESS(X)   (X/2)
#define	RX_QUEUE_ACCESS(X)   (X/2)
#define	VIRTIO_NUM_RX_DESC   256
#define	VIRTIO_NUM_TX_DESC   256
#define	foreach_virtio_if_types
#define	VIRTIO_RING_FLAG_MASK_INT   1
#define	VIRTIO_EVENT_START_TIMER   1
#define	VIRTIO_EVENT_STOP_TIMER   2
#define	VRING_TX_OUT_OF_ORDER   1
#define	virtio_log_debug(vif, f, ...)
#define	virtio_log_warning(vif, f, ...)
#define	virtio_log_error(vif, f, ...)

Typedefs
typedef struct _virtio_pci_func	virtio_pci_func_t

Enumerations
enum	virtio_if_flag_t { foreach_virtio_if_flag }
enum	virtio_if_type_t { VIRTIO_IF_N_TYPES = (1 << 3) }

Functions
clib_error_t *	virtio_vring_init (vlib_main_t *vm, virtio_if_t *vif, u16 idx, u16 sz)
clib_error_t *	virtio_vring_free_rx (vlib_main_t *vm, virtio_if_t *vif, u32 idx)
clib_error_t *	virtio_vring_free_tx (vlib_main_t *vm, virtio_if_t *vif, u32 idx)
void	virtio_vring_set_rx_queues (vlib_main_t *vm, virtio_if_t *vif)
void	virtio_free_buffers (vlib_main_t *vm, virtio_vring_t *vring)
void	virtio_set_net_hdr_size (virtio_if_t *vif)
void	virtio_show (vlib_main_t *vm, u32 *hw_if_indices, u8 show_descr, u32 type)
void	virtio_set_packet_coalesce (virtio_if_t *vif)
clib_error_t *	virtio_set_packet_buffering (virtio_if_t *vif, u16 size)
void	virtio_pci_legacy_notify_queue (vlib_main_t *vm, virtio_if_t *vif, u16 queue_id, u16 queue_notify_offset)
void	virtio_pci_modern_notify_queue (vlib_main_t *vm, virtio_if_t *vif, u16 queue_id, u16 queue_notify_offset)
static_always_inline void	virtio_kick (vlib_main_t *vm, virtio_vring_t *vring, virtio_if_t *vif)

Variables
virtio_main_t	virtio_main
vnet_device_class_t	virtio_device_class
vlib_node_registration_t	virtio_input_node
	(constructor) VLIB_REGISTER_NODE (virtio_input_node) More...
vlib_node_registration_t	virtio_send_interrupt_node
	(constructor) VLIB_REGISTER_NODE (virtio_send_interrupt_node) More...
format_function_t	format_virtio_device_name
format_function_t	format_virtio_log_name

Macro Definition Documentation

foreach_virtio_if_flag

#define foreach_virtio_if_flag

Value:

  _(0, ADMIN_UP, "admin-up")            \
  _(1, DELETING, "deleting")

Definition at line 26 of file virtio.h.

foreach_virtio_if_types

#define foreach_virtio_if_types

Value:

  _ (TAP, 0)                    \
  _ (TUN, 1)                    \
  _ (PCI, 2)

Definition at line 45 of file virtio.h.

RX_QUEUE

#define RX_QUEUE

(

X

)

(X*2)

Definition at line 38 of file virtio.h.

RX_QUEUE_ACCESS

#define RX_QUEUE_ACCESS

(

X

)

(X/2)

Definition at line 40 of file virtio.h.

TX_QUEUE

#define TX_QUEUE

(

X

)

((X*2) + 1)

Definition at line 37 of file virtio.h.

TX_QUEUE_ACCESS

#define TX_QUEUE_ACCESS

(

X

)

(X/2)

Definition at line 39 of file virtio.h.

VIRTIO_EVENT_START_TIMER

#define VIRTIO_EVENT_START_TIMER   1

Definition at line 60 of file virtio.h.

VIRTIO_EVENT_STOP_TIMER

#define VIRTIO_EVENT_STOP_TIMER   2

Definition at line 61 of file virtio.h.

virtio_log_debug

#define virtio_log_debug	(		vif,
			f,
			...
	)

Value:

{                                                               \
  vlib_log(VLIB_LOG_LEVEL_DEBUG, virtio_main.log_default,       \
           "%U: " f, format_virtio_log_name, vif,               \
           ##__VA_ARGS__);                                      \
};

Definition at line 272 of file virtio.h.

virtio_log_error

#define virtio_log_error	(		vif,
			f,
			...
	)

Value:

{                                                               \
  vlib_log(VLIB_LOG_LEVEL_ERR, virtio_main.log_default,         \
           "%U: " f, format_virtio_log_name, vif,               \
           ##__VA_ARGS__);                                      \
};

Definition at line 286 of file virtio.h.

virtio_log_warning

#define virtio_log_warning	(		vif,
			f,
			...
	)

Value:

{                                                               \
  vlib_log(VLIB_LOG_LEVEL_WARNING, virtio_main.log_default,     \
           "%U: " f, format_virtio_log_name, vif,               \
           ##__VA_ARGS__);                                      \
};

Definition at line 279 of file virtio.h.

VIRTIO_NUM_RX_DESC

#define VIRTIO_NUM_RX_DESC   256

Definition at line 42 of file virtio.h.

VIRTIO_NUM_TX_DESC

#define VIRTIO_NUM_TX_DESC   256

Definition at line 43 of file virtio.h.

VIRTIO_RING_FLAG_MASK_INT

#define VIRTIO_RING_FLAG_MASK_INT   1

Definition at line 58 of file virtio.h.

VRING_TX_OUT_OF_ORDER

#define VRING_TX_OUT_OF_ORDER   1

Definition at line 105 of file virtio.h.

Typedef Documentation

virtio_pci_func_t

typedef struct _virtio_pci_func virtio_pci_func_t

Definition at line 126 of file virtio.h.

Enumeration Type Documentation

virtio_if_flag_t

enum virtio_if_flag_t

Enumerator
foreach_virtio_if_flag

Definition at line 30 of file virtio.h.

virtio_if_type_t

enum virtio_if_type_t

Enumerator
VIRTIO_IF_N_TYPES

Definition at line 50 of file virtio.h.

Function Documentation

virtio_free_buffers()

void virtio_free_buffers ( vlib_main_t *  vm, virtio_vring_t *  vring  )

inline

Definition at line 128 of file virtio.c.

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virtio_kick()

static_always_inline void virtio_kick	(	vlib_main_t *	vm,
		virtio_vring_t *	vring,
		virtio_if_t *	vif
	)

Definition at line 251 of file virtio.h.

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virtio_pci_legacy_notify_queue()

void virtio_pci_legacy_notify_queue ( vlib_main_t *  vm, virtio_if_t *  vif, u16  queue_id, u16  queue_notify_offset  )

inline

Definition at line 214 of file virtio_pci_legacy.c.

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virtio_pci_modern_notify_queue()

void virtio_pci_modern_notify_queue ( vlib_main_t *  vm, virtio_if_t *  vif, u16  queue_id, u16  queue_notify_offset  )

inline

Definition at line 405 of file virtio_pci_modern.c.

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virtio_set_net_hdr_size()

void virtio_set_net_hdr_size ( virtio_if_t *  vif )

inline

Definition at line 288 of file virtio.c.

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virtio_set_packet_buffering()

clib_error_t* virtio_set_packet_buffering	(	virtio_if_t *	vif,
		u16	size
	)

Definition at line 203 of file virtio.c.

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virtio_set_packet_coalesce()

void virtio_set_packet_coalesce

(

virtio_if_t *

vif

)

Definition at line 188 of file virtio.c.

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virtio_show()

void virtio_show ( vlib_main_t *  vm, u32 *  hw_if_indices, u8  show_descr, u32  type  )

inline

Definition at line 298 of file virtio.c.

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virtio_vring_free_rx()

clib_error_t* virtio_vring_free_rx	(	vlib_main_t *	vm,
		virtio_if_t *	vif,
		u32	idx
	)

Definition at line 143 of file virtio.c.

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virtio_vring_free_tx()

clib_error_t* virtio_vring_free_tx	(	vlib_main_t *	vm,
		virtio_if_t *	vif,
		u32	idx
	)

Definition at line 165 of file virtio.c.

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virtio_vring_init()

clib_error_t* virtio_vring_init	(	vlib_main_t *	vm,
		virtio_if_t *	vif,
		u16	idx,
		u16	sz
	)

Definition at line 60 of file virtio.c.

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virtio_vring_set_rx_queues()

void virtio_vring_set_rx_queues	(	vlib_main_t *	vm,
		virtio_if_t *	vif
	)

Definition at line 238 of file virtio.c.

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Variable Documentation

format_virtio_device_name

format_function_t format_virtio_device_name

Definition at line 247 of file virtio.h.

format_virtio_log_name

format_function_t format_virtio_log_name

Definition at line 248 of file virtio.h.

virtio_device_class

vnet_device_class_t virtio_device_class

virtio_input_node

vlib_node_registration_t virtio_input_node

(constructor) VLIB_REGISTER_NODE (virtio_input_node)

Definition at line 498 of file node.c.

virtio_main

virtio_main_t virtio_main

Definition at line 37 of file virtio.c.

virtio_send_interrupt_node

vlib_node_registration_t virtio_send_interrupt_node

(constructor) VLIB_REGISTER_NODE (virtio_send_interrupt_node)

Definition at line 74 of file virtio_process.c.