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Data Structures
struct	vhost_user_memory_region

struct	vhost_user_memory

struct	vhost_user_log

struct	vhost_user_msg

struct	vhost_user_vring_t

struct	vhost_user_intf_t

struct	vhost_copy_t

struct	vhost_trace_t

struct	vhost_cpu_t

struct	vhost_user_main_t

struct	vhost_user_intf_details_t

Macros
#define	VHOST_MEMORY_MAX_NREGIONS 8

#define	VHOST_USER_MSG_HDR_SZ 12

#define	VHOST_VRING_MAX_SIZE 32768

#define	VHOST_VRING_MAX_N 16

#define	VHOST_VRING_IDX_RX(qid) (2*qid)

#define	VHOST_VRING_IDX_TX(qid) (2*qid + 1)

#define	VHOST_USER_VRING_NOFD_MASK 0x100

#define	VIRTQ_DESC_F_NEXT 1

#define	VIRTQ_DESC_F_INDIRECT 4

#define	VHOST_USER_REPLY_MASK (0x1 << 2)

#define	VHOST_USER_PROTOCOL_F_MQ 0

#define	VHOST_USER_PROTOCOL_F_LOG_SHMFD 1

#define	VHOST_VRING_F_LOG 0

#define	VHOST_USER_F_PROTOCOL_FEATURES 30

#define	VHOST_USER_PROTOCOL_FEATURES

#define	VIRTIO_NET_CTRL_MQ 4

#define	VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET 0

#define	VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MIN 1

#define	VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MAX 0x8000

#define	VRING_USED_F_NO_NOTIFY 1

#define	VRING_AVAIL_F_NO_INTERRUPT 1

#define	vu_log_debug(dev, f, ...)

#define	vu_log_warn(dev, f, ...)

#define	vu_log_err(dev, f, ...)

#define	UNIX_GET_FD(unixfd_idx)

#define	foreach_virtio_trace_flags

#define	foreach_virtio_net_feature

#define	FEATURE_VIRTIO_NET_F_HOST_TSO_FEATURE_BITS

#define	FEATURE_VIRTIO_NET_F_GUEST_TSO_FEATURE_BITS

#define	FEATURE_VIRTIO_NET_F_HOST_GUEST_TSO_FEATURE_BITS

#define	VHOST_USER_EVENT_START_TIMER 1

#define	VHOST_USER_EVENT_STOP_TIMER 2

#define	VHOST_USER_RX_BUFFERS_N (2 * VLIB_FRAME_SIZE + 2)

#define	VHOST_USER_COPY_ARRAY_N (4 * VLIB_FRAME_SIZE)

Typedefs
typedef enum vhost_user_req	vhost_user_req_t

Enumerations
enum	virtio_trace_flag_t { foreach_virtio_trace_flags }

enum	virtio_net_feature_t { foreach_virtio_net_feature }

enum	vhost_user_req { VHOST_USER_NONE = 0, VHOST_USER_GET_FEATURES = 1, VHOST_USER_SET_FEATURES = 2, VHOST_USER_SET_OWNER = 3, VHOST_USER_RESET_OWNER = 4, VHOST_USER_SET_MEM_TABLE = 5, VHOST_USER_SET_LOG_BASE = 6, VHOST_USER_SET_LOG_FD = 7, VHOST_USER_SET_VRING_NUM = 8, VHOST_USER_SET_VRING_ADDR = 9, VHOST_USER_SET_VRING_BASE = 10, VHOST_USER_GET_VRING_BASE = 11, VHOST_USER_SET_VRING_KICK = 12, VHOST_USER_SET_VRING_CALL = 13, VHOST_USER_SET_VRING_ERR = 14, VHOST_USER_GET_PROTOCOL_FEATURES = 15, VHOST_USER_SET_PROTOCOL_FEATURES = 16, VHOST_USER_GET_QUEUE_NUM = 17, VHOST_USER_SET_VRING_ENABLE = 18, VHOST_USER_MAX }

Functions
int	vhost_user_create_if (vnet_main_t vnm, vlib_main_t vm, const char sock_filename, u8 is_server, u32 sw_if_index, u64 feature_mask, u8 renumber, u32 custom_dev_instance, u8 *hwaddr, u8 enable_gso)

int	vhost_user_modify_if (vnet_main_t vnm, vlib_main_t vm, const char *sock_filename, u8 is_server, u32 sw_if_index, u64 feature_mask, u8 renumber, u32 custom_dev_instance, u8 enable_gso)

int	vhost_user_delete_if (vnet_main_t vnm, vlib_main_t vm, u32 sw_if_index)

int	vhost_user_dump_ifs (vnet_main_t vnm, vlib_main_t vm, vhost_user_intf_details_t **out_vuids)

Variables
u64	guest_phys_addr

u64	memory_size

u64	userspace_addr

u64	mmap_offset

u32	nregions

u32	padding

vhost_user_memory_region_t	regions [VHOST_MEMORY_MAX_NREGIONS]

u64	size

u64	offset

vhost_user_req_t	request

u32	flags

union {
u64 u64

vhost_vring_state_t state

vhost_vring_addr_t addr

vhost_user_memory_t memory

vhost_user_log_t log

};

vlib_node_registration_t	vhost_user_send_interrupt_node
	(constructor) VLIB_REGISTER_NODE (vhost_user_send_interrupt_node) More...

vnet_device_class_t	vhost_user_device_class

vlib_node_registration_t	vhost_user_input_node
	(constructor) VLIB_REGISTER_NODE (vhost_user_input_node) More...

vhost_user_main_t	vhost_user_main

Macro Definition Documentation

◆ FEATURE_VIRTIO_NET_F_GUEST_TSO_FEATURE_BITS

#define FEATURE_VIRTIO_NET_F_GUEST_TSO_FEATURE_BITS

Value:

((1ULL << FEAT_VIRTIO_NET_F_GUEST_CSUM) |           \
   (1ULL << FEAT_VIRTIO_NET_F_GUEST_UFO) |          \
   (1ULL << FEAT_VIRTIO_NET_F_GUEST_TSO4) |         \
   (1ULL << FEAT_VIRTIO_NET_F_GUEST_TSO6))

Definition at line 119 of file vhost_user.h.

◆ FEATURE_VIRTIO_NET_F_HOST_GUEST_TSO_FEATURE_BITS

#define FEATURE_VIRTIO_NET_F_HOST_GUEST_TSO_FEATURE_BITS

Value:

(FEATURE_VIRTIO_NET_F_HOST_TSO_FEATURE_BITS | \

FEATURE_VIRTIO_NET_F_GUEST_TSO_FEATURE_BITS)

FEATURE_VIRTIO_NET_F_HOST_TSO_FEATURE_BITS

#define FEATURE_VIRTIO_NET_F_HOST_TSO_FEATURE_BITS

Definition: vhost_user.h:113

Definition at line 125 of file vhost_user.h.

◆ FEATURE_VIRTIO_NET_F_HOST_TSO_FEATURE_BITS

#define FEATURE_VIRTIO_NET_F_HOST_TSO_FEATURE_BITS

Value:

((1ULL << FEAT_VIRTIO_NET_F_CSUM) |                \
   (1ULL << FEAT_VIRTIO_NET_F_HOST_UFO) |          \
   (1ULL << FEAT_VIRTIO_NET_F_HOST_TSO4) |         \
   (1ULL << FEAT_VIRTIO_NET_F_HOST_TSO6))

Definition at line 113 of file vhost_user.h.

◆ foreach_virtio_net_feature

#define foreach_virtio_net_feature

Value:

_ (VIRTIO_NET_F_CSUM, 0)                \
 _ (VIRTIO_NET_F_GUEST_CSUM, 1)         \
 _ (VIRTIO_NET_F_GUEST_TSO4, 7)         \
 _ (VIRTIO_NET_F_GUEST_TSO6, 8)         \
 _ (VIRTIO_NET_F_GUEST_UFO, 10)         \
 _ (VIRTIO_NET_F_HOST_TSO4, 11)         \
 _ (VIRTIO_NET_F_HOST_TSO6, 12)         \
 _ (VIRTIO_NET_F_HOST_UFO, 14)          \
 _ (VIRTIO_NET_F_MRG_RXBUF, 15)         \
 _ (VIRTIO_NET_F_CTRL_VQ, 17)           \
 _ (VIRTIO_NET_F_GUEST_ANNOUNCE, 21)    \
 _ (VIRTIO_NET_F_MQ, 22)                \
 _ (VHOST_F_LOG_ALL, 26)                \
 _ (VIRTIO_F_ANY_LAYOUT, 27)            \
 _ (VIRTIO_F_INDIRECT_DESC, 28)         \
 _ (VHOST_USER_F_PROTOCOL_FEATURES, 30) \
 _ (VIRTIO_F_VERSION_1, 32)

Definition at line 87 of file vhost_user.h.

◆ foreach_virtio_trace_flags

#define foreach_virtio_trace_flags

Value:

_ (SIMPLE_CHAINED, 0, "Simple descriptor chaining") \
  _ (SINGLE_DESC,  1, "Single descriptor packet") \
  _ (INDIRECT, 2, "Indirect descriptor") \
  _ (MAP_ERROR, 4, "Memory mapping error")

Definition at line 74 of file vhost_user.h.

◆ UNIX_GET_FD

#define UNIX_GET_FD ( unixfd_idx )

Value:

({ \
    typeof(unixfd_idx) __unixfd_idx = (unixfd_idx); \
    (__unixfd_idx != ~0) ? \
        pool_elt_at_index (file_main.file_pool, \
                           __unixfd_idx)->file_descriptor : -1; })

Definition at line 68 of file vhost_user.h.

◆ VHOST_MEMORY_MAX_NREGIONS

#define VHOST_MEMORY_MAX_NREGIONS 8

Definition at line 19 of file vhost_user.h.

◆ VHOST_USER_COPY_ARRAY_N

#define VHOST_USER_COPY_ARRAY_N (4 * VLIB_FRAME_SIZE)

Definition at line 355 of file vhost_user.h.

◆ VHOST_USER_EVENT_START_TIMER

#define VHOST_USER_EVENT_START_TIMER 1

Definition at line 292 of file vhost_user.h.

◆ VHOST_USER_EVENT_STOP_TIMER

#define VHOST_USER_EVENT_STOP_TIMER 2

Definition at line 293 of file vhost_user.h.

◆ VHOST_USER_F_PROTOCOL_FEATURES

#define VHOST_USER_F_PROTOCOL_FEATURES 30

Definition at line 35 of file vhost_user.h.

◆ VHOST_USER_MSG_HDR_SZ

#define VHOST_USER_MSG_HDR_SZ 12

Definition at line 20 of file vhost_user.h.

◆ VHOST_USER_PROTOCOL_F_LOG_SHMFD

#define VHOST_USER_PROTOCOL_F_LOG_SHMFD 1

Definition at line 32 of file vhost_user.h.

◆ VHOST_USER_PROTOCOL_F_MQ

#define VHOST_USER_PROTOCOL_F_MQ 0

Definition at line 31 of file vhost_user.h.

◆ VHOST_USER_PROTOCOL_FEATURES

#define VHOST_USER_PROTOCOL_FEATURES

Value:

((1ULL << VHOST_USER_PROTOCOL_F_MQ) | \

(1ULL << VHOST_USER_PROTOCOL_F_LOG_SHMFD))

VHOST_USER_PROTOCOL_F_LOG_SHMFD

#define VHOST_USER_PROTOCOL_F_LOG_SHMFD

Definition: vhost_user.h:32

VHOST_USER_PROTOCOL_F_MQ

#define VHOST_USER_PROTOCOL_F_MQ

Definition: vhost_user.h:31

Definition at line 36 of file vhost_user.h.

◆ VHOST_USER_REPLY_MASK

#define VHOST_USER_REPLY_MASK (0x1 << 2)

Definition at line 29 of file vhost_user.h.

◆ VHOST_USER_RX_BUFFERS_N

#define VHOST_USER_RX_BUFFERS_N (2 * VLIB_FRAME_SIZE + 2)

Definition at line 354 of file vhost_user.h.

◆ VHOST_USER_VRING_NOFD_MASK

#define VHOST_USER_VRING_NOFD_MASK 0x100

Definition at line 26 of file vhost_user.h.

◆ VHOST_VRING_F_LOG

#define VHOST_VRING_F_LOG 0

Definition at line 33 of file vhost_user.h.

◆ VHOST_VRING_IDX_RX

#define VHOST_VRING_IDX_RX ( qid ) (2*qid)

Definition at line 23 of file vhost_user.h.

◆ VHOST_VRING_IDX_TX

#define VHOST_VRING_IDX_TX ( qid ) (2*qid + 1)

Definition at line 24 of file vhost_user.h.

◆ VHOST_VRING_MAX_N

#define VHOST_VRING_MAX_N 16

Definition at line 22 of file vhost_user.h.

◆ VHOST_VRING_MAX_SIZE

#define VHOST_VRING_MAX_SIZE 32768

Definition at line 21 of file vhost_user.h.

◆ VIRTIO_NET_CTRL_MQ

#define VIRTIO_NET_CTRL_MQ 4

Definition at line 40 of file vhost_user.h.

◆ VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MAX

#define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MAX 0x8000

Definition at line 43 of file vhost_user.h.

◆ VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MIN

#define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MIN 1

Definition at line 42 of file vhost_user.h.

◆ VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET

#define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET 0

Definition at line 41 of file vhost_user.h.

◆ VIRTQ_DESC_F_INDIRECT

#define VIRTQ_DESC_F_INDIRECT 4

Definition at line 28 of file vhost_user.h.

◆ VIRTQ_DESC_F_NEXT

#define VIRTQ_DESC_F_NEXT 1

Definition at line 27 of file vhost_user.h.

◆ VRING_AVAIL_F_NO_INTERRUPT

#define VRING_AVAIL_F_NO_INTERRUPT 1

Definition at line 46 of file vhost_user.h.

◆ VRING_USED_F_NO_NOTIFY

#define VRING_USED_F_NO_NOTIFY 1

Definition at line 45 of file vhost_user.h.

◆ vu_log_debug

#define vu_log_debug	(	dev,
		f,
		...
	)

Value:

{                                                                             \
  vlib_log(VLIB_LOG_LEVEL_DEBUG, vhost_user_main.log_default, "%U: " f,       \
           format_vnet_hw_if_index_name, vnet_get_main(),                     \
           dev->hw_if_index, ##__VA_ARGS__);                                  \
};

Definition at line 48 of file vhost_user.h.

◆ vu_log_err

#define vu_log_err	(	dev,
		f,
		...
	)

Value:

{                                                                             \
  vlib_log(VLIB_LOG_LEVEL_ERR, vhost_user_main.log_default, "%U: " f,         \
           format_vnet_hw_if_index_name, vnet_get_main(),                     \
           dev->hw_if_index, ##__VA_ARGS__);                                  \
};

Definition at line 61 of file vhost_user.h.

◆ vu_log_warn

#define vu_log_warn	(	dev,
		f,
		...
	)

Value:

{                                                                             \
  vlib_log(VLIB_LOG_LEVEL_WARNING, vhost_user_main.log_default, "%U: " f,     \
           format_vnet_hw_if_index_name, vnet_get_main(),                     \
           dev->hw_if_index, ##__VA_ARGS__);                                  \
};

Definition at line 55 of file vhost_user.h.

Typedef Documentation

◆ vhost_user_req_t

typedef enum vhost_user_req vhost_user_req_t

Enumeration Type Documentation

◆ vhost_user_req

enum vhost_user_req

Enumerator
VHOST_USER_NONE
VHOST_USER_GET_FEATURES
VHOST_USER_SET_FEATURES
VHOST_USER_SET_OWNER
VHOST_USER_RESET_OWNER
VHOST_USER_SET_MEM_TABLE
VHOST_USER_SET_LOG_BASE
VHOST_USER_SET_LOG_FD
VHOST_USER_SET_VRING_NUM
VHOST_USER_SET_VRING_ADDR
VHOST_USER_SET_VRING_BASE
VHOST_USER_GET_VRING_BASE
VHOST_USER_SET_VRING_KICK
VHOST_USER_SET_VRING_CALL
VHOST_USER_SET_VRING_ERR
VHOST_USER_GET_PROTOCOL_FEATURES
VHOST_USER_SET_PROTOCOL_FEATURES
VHOST_USER_GET_QUEUE_NUM
VHOST_USER_SET_VRING_ENABLE
VHOST_USER_MAX

Definition at line 175 of file vhost_user.h.

◆ virtio_net_feature_t

enum virtio_net_feature_t

Enumerator
foreach_virtio_net_feature

Definition at line 106 of file vhost_user.h.

◆ virtio_trace_flag_t

enum virtio_trace_flag_t

Enumerator
foreach_virtio_trace_flags

Definition at line 80 of file vhost_user.h.

Function Documentation

◆ vhost_user_create_if()

int vhost_user_create_if	(	vnet_main_t *	vnm,
		vlib_main_t *	vm,
		const char *	sock_filename,
		u8	is_server,
		u32 *	sw_if_index,
		u64	feature_mask,
		u8	renumber,
		u32	custom_dev_instance,
		u8 *	hwaddr,
		u8	enable_gso
	)

Definition at line 1516 of file vhost_user.c.

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◆ vhost_user_delete_if()

int vhost_user_delete_if	(	vnet_main_t *	vnm,
		vlib_main_t *	vm,
		u32	sw_if_index
	)

Definition at line 1282 of file vhost_user.c.

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◆ vhost_user_dump_ifs()

int vhost_user_dump_ifs	(	vnet_main_t *	vnm,
		vlib_main_t *	vm,
		vhost_user_intf_details_t **	out_vuids
	)

Definition at line 1752 of file vhost_user.c.

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◆ vhost_user_modify_if()

int vhost_user_modify_if	(	vnet_main_t *	vnm,
		vlib_main_t *	vm,
		const char *	sock_filename,
		u8	is_server,
		u32	sw_if_index,
		u64	feature_mask,
		u8	renumber,
		u32	custom_dev_instance,
		u8	enable_gso
	)

Definition at line 1580 of file vhost_user.c.

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Variable Documentation

◆ @111

union { ... }

◆ addr

vhost_vring_addr_t addr

Definition at line 147 of file vhost_user.h.

◆ flags

vl_api_gbp_endpoint_flags_t flags

Definition at line 141 of file vhost_user.h.

◆ guest_phys_addr

u64 guest_phys_addr

Definition at line 140 of file vhost_user.h.

◆ log

vhost_user_log_t log

Definition at line 149 of file vhost_user.h.

◆ memory

vhost_user_memory_t memory

Definition at line 148 of file vhost_user.h.

◆ memory_size

u64 memory_size

Definition at line 141 of file vhost_user.h.

◆ mmap_offset

u64 mmap_offset

Definition at line 143 of file vhost_user.h.

◆ nregions

u32 nregions

Definition at line 140 of file vhost_user.h.

◆ offset

u64 offset

Definition at line 141 of file vhost_user.h.

◆ padding

u32 padding

Definition at line 141 of file vhost_user.h.

◆ regions

vhost_user_memory_region_t regions[VHOST_MEMORY_MAX_NREGIONS]

Definition at line 142 of file vhost_user.h.

◆ request

vhost_user_req_t request

Definition at line 140 of file vhost_user.h.

◆ size

u32 size

Definition at line 140 of file vhost_user.h.

◆ state

vhost_vring_state_t state

Definition at line 146 of file vhost_user.h.

◆ u64

u64 u64

Definition at line 145 of file vhost_user.h.

◆ userspace_addr

u64 userspace_addr

Definition at line 142 of file vhost_user.h.

◆ vhost_user_device_class

vnet_device_class_t vhost_user_device_class

◆ vhost_user_input_node

vlib_node_registration_t vhost_user_input_node

Initial value:

= {
  .type = VLIB_NODE_TYPE_INPUT,
  .name = "vhost-user-input",
  .sibling_of = "device-input",
  .flags = VLIB_NODE_FLAG_TRACE_SUPPORTED,
  
  .state = VLIB_NODE_STATE_DISABLED,
  .format_buffer = format_ethernet_header_with_length,
  .format_trace = format_vhost_trace,
  .n_errors = VHOST_USER_INPUT_FUNC_N_ERROR,
  .error_strings = vhost_user_input_func_error_strings,
}

(constructor) VLIB_REGISTER_NODE (vhost_user_input_node)

Definition at line 779 of file vhost_user_input.c.

◆ vhost_user_main

vhost_user_main_t vhost_user_main

Definition at line 56 of file vhost_user.c.

◆ vhost_user_send_interrupt_node

vlib_node_registration_t vhost_user_send_interrupt_node

(constructor) VLIB_REGISTER_NODE (vhost_user_send_interrupt_node)

Definition at line 53 of file vhost_user.c.

Data Structures

Macros

Typedefs

Enumerations

Functions

Variables

Macro Definition Documentation

◆ FEATURE_VIRTIO_NET_F_GUEST_TSO_FEATURE_BITS

◆ FEATURE_VIRTIO_NET_F_HOST_GUEST_TSO_FEATURE_BITS

◆ FEATURE_VIRTIO_NET_F_HOST_TSO_FEATURE_BITS

◆ foreach_virtio_net_feature

◆ foreach_virtio_trace_flags

◆ UNIX_GET_FD

◆ VHOST_MEMORY_MAX_NREGIONS

◆ VHOST_USER_COPY_ARRAY_N

◆ VHOST_USER_EVENT_START_TIMER

◆ VHOST_USER_EVENT_STOP_TIMER

◆ VHOST_USER_F_PROTOCOL_FEATURES

◆ VHOST_USER_MSG_HDR_SZ

◆ VHOST_USER_PROTOCOL_F_LOG_SHMFD

◆ VHOST_USER_PROTOCOL_F_MQ

◆ VHOST_USER_PROTOCOL_FEATURES

◆ VHOST_USER_REPLY_MASK

◆ VHOST_USER_RX_BUFFERS_N

◆ VHOST_USER_VRING_NOFD_MASK

◆ VHOST_VRING_F_LOG

◆ VHOST_VRING_IDX_RX

◆ VHOST_VRING_IDX_TX

◆ VHOST_VRING_MAX_N

◆ VHOST_VRING_MAX_SIZE

◆ VIRTIO_NET_CTRL_MQ

◆ VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MAX

◆ VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MIN

◆ VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET

◆ VIRTQ_DESC_F_INDIRECT

◆ VIRTQ_DESC_F_NEXT

◆ VRING_AVAIL_F_NO_INTERRUPT

◆ VRING_USED_F_NO_NOTIFY

◆ vu_log_debug

◆ vu_log_err

◆ vu_log_warn

Typedef Documentation

◆ vhost_user_req_t

Enumeration Type Documentation

◆ vhost_user_req

◆ virtio_net_feature_t

◆ virtio_trace_flag_t

Function Documentation

◆ vhost_user_create_if()

◆ vhost_user_delete_if()

◆ vhost_user_dump_ifs()

◆ vhost_user_modify_if()

Variable Documentation

◆ @111

◆ addr

◆ flags

◆ guest_phys_addr

◆ log

◆ memory

◆ memory_size

◆ mmap_offset

◆ nregions

◆ offset

◆ padding

◆ regions

◆ request

◆ size

◆ state

◆ u64

◆ userspace_addr

◆ vhost_user_device_class

◆ vhost_user_input_node

◆ vhost_user_main

◆ vhost_user_send_interrupt_node