vHost User Device Driver. More...

Include dependency graph for vhost_user.c:

Macros
#define	foreach_protocol_feature

Functions
	VNET_HW_INTERFACE_CLASS (vhost_interface_class, static)

static long	get_huge_page_size (int fd)

static void	unmap_all_mem_regions (vhost_user_intf_t *vui)

static_always_inline void	vhost_user_tx_thread_placement (vhost_user_intf_t *vui)

static_always_inline void	vhost_user_rx_thread_placement (vhost_user_intf_t *vui, u32 qid)
	Unassign existing interface/queue to thread mappings and re-assign new interface/queue to thread mappings. More...

static_always_inline int	vhost_user_intf_ready (vhost_user_intf_t *vui)
	Returns whether at least one TX and one RX vring are enabled. More...

static_always_inline void	vhost_user_update_iface_state (vhost_user_intf_t *vui)

static void	vhost_user_set_interrupt_pending (vhost_user_intf_t *vui, u32 ifq)

static clib_error_t *	vhost_user_callfd_read_ready (clib_file_t *uf)

static_always_inline void	vhost_user_thread_placement (vhost_user_intf_t *vui, u32 qid)

static clib_error_t *	vhost_user_kickfd_read_ready (clib_file_t *uf)

static_always_inline void	vhost_user_vring_init (vhost_user_intf_t *vui, u32 qid)

static_always_inline void	vhost_user_vring_close (vhost_user_intf_t *vui, u32 qid)

static_always_inline void	vhost_user_if_disconnect (vhost_user_intf_t *vui)

static clib_error_t *	vhost_user_socket_read (clib_file_t *uf)

static clib_error_t *	vhost_user_socket_error (clib_file_t *uf)

static clib_error_t *	vhost_user_socksvr_accept_ready (clib_file_t *uf)

static clib_error_t *	vhost_user_init (vlib_main_t *vm)

static uword	vhost_user_send_interrupt_process (vlib_main_t vm, vlib_node_runtime_t rt, vlib_frame_t *f)

static uword	vhost_user_process (vlib_main_t vm, vlib_node_runtime_t rt, vlib_frame_t *f)

static void	vhost_user_term_if (vhost_user_intf_t *vui)
	Disables and reset interface structure. More...

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

static clib_error_t *	vhost_user_exit (vlib_main_t *vm)

static int	vhost_user_init_server_sock (const char sock_filename, int sock_fd)
	Open server unix socket on specified sock_filename. More...

static void	vhost_user_create_ethernet (vnet_main_t vnm, vlib_main_t vm, vhost_user_intf_t vui, u8 hwaddress)
	Create ethernet interface for vhost user interface. More...

static void	vhost_user_vui_init (vnet_main_t vnm, vhost_user_intf_t vui, int server_sock_fd, const char sock_filename, u64 feature_mask, u32 sw_if_index)

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)

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)

clib_error_t *	vhost_user_connect_command_fn (vlib_main_t vm, unformat_input_t input, vlib_cli_command_t *cmd)

clib_error_t *	vhost_user_delete_command_fn (vlib_main_t vm, unformat_input_t input, vlib_cli_command_t *cmd)

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

clib_error_t *	show_vhost_user_command_fn (vlib_main_t vm, unformat_input_t input, vlib_cli_command_t *cmd)

clib_error_t *	debug_vhost_user_command_fn (vlib_main_t vm, unformat_input_t input, vlib_cli_command_t *cmd)

static clib_error_t *	vhost_user_config (vlib_main_t vm, unformat_input_t input)

void	vhost_user_unmap_all (void)

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

vhost_user_main_t	vhost_user_main

static vlib_node_registration_t	vhost_user_process_node
	(constructor) VLIB_REGISTER_NODE (vhost_user_process_node) More...

static vlib_cli_command_t	vhost_user_connect_command
	(constructor) VLIB_CLI_COMMAND (vhost_user_connect_command) More...

static vlib_cli_command_t	vhost_user_delete_command
	(constructor) VLIB_CLI_COMMAND (vhost_user_delete_command) More...

static vlib_cli_command_t	show_vhost_user_command
	(constructor) VLIB_CLI_COMMAND (show_vhost_user_command) More...

static vlib_cli_command_t	debug_vhost_user_command
	(constructor) VLIB_CLI_COMMAND (debug_vhost_user_command) More...

Detailed Description

vHost User Device Driver.

This file contains the source code for vHost User interface.

Definition in file vhost_user.c.

Macro Definition Documentation

#define foreach_protocol_feature

Value:

_(VHOST_USER_PROTOCOL_F_MQ) \

_(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

Function Documentation

clib_error_t* debug_vhost_user_command_fn	(	vlib_main_t *	vm,
		unformat_input_t *	input,
		vlib_cli_command_t *	cmd
	)

Definition at line 2184 of file vhost_user.c.

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static long get_huge_page_size ( int fd )

static

Definition at line 66 of file vhost_user.c.

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clib_error_t* show_vhost_user_command_fn	(	vlib_main_t *	vm,
		unformat_input_t *	input,
		vlib_cli_command_t *	cmd
	)

Definition at line 1731 of file vhost_user.c.

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static void unmap_all_mem_regions ( vhost_user_intf_t * vui )

static

Definition at line 74 of file vhost_user.c.

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static clib_error_t* vhost_user_callfd_read_ready ( clib_file_t * uf )

static

Definition at line 229 of file vhost_user.c.

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static clib_error_t* vhost_user_config	(	vlib_main_t *	vm,
		unformat_input_t *	input
	)

static

Definition at line 2242 of file vhost_user.c.

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clib_error_t* vhost_user_connect_command_fn	(	vlib_main_t *	vm,
		unformat_input_t *	input,
		vlib_cli_command_t *	cmd
	)

Definition at line 1568 of file vhost_user.c.

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static void vhost_user_create_ethernet	(	vnet_main_t *	vnm,
		vlib_main_t *	vm,
		vhost_user_intf_t *	vui,
		u8 *	hwaddress
	)

static

Create ethernet interface for vhost user interface.

Definition at line 1359 of file vhost_user.c.

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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
	)

Definition at line 1454 of file vhost_user.c.

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clib_error_t* vhost_user_delete_command_fn	(	vlib_main_t *	vm,
		unformat_input_t *	input,
		vlib_cli_command_t *	cmd
	)

Definition at line 1633 of file vhost_user.c.

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

Definition at line 1239 of file vhost_user.c.

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

Definition at line 1680 of file vhost_user.c.

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static clib_error_t* vhost_user_exit ( vlib_main_t * vm )

static

Definition at line 1297 of file vhost_user.c.

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static_always_inline void vhost_user_if_disconnect ( vhost_user_intf_t * vui )

Definition at line 334 of file vhost_user.c.

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static clib_error_t* vhost_user_init ( vlib_main_t * vm )

static

Definition at line 950 of file vhost_user.c.

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static int vhost_user_init_server_sock	(	const char *	sock_filename,
		int *	sock_fd
	)

static

Open server unix socket on specified sock_filename.

Definition at line 1319 of file vhost_user.c.

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static_always_inline int vhost_user_intf_ready ( vhost_user_intf_t * vui )

Returns whether at least one TX and one RX vring are enabled.

Definition at line 185 of file vhost_user.c.

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static clib_error_t* vhost_user_kickfd_read_ready ( clib_file_t * uf )

static

Definition at line 252 of file vhost_user.c.

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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
	)

Definition at line 1517 of file vhost_user.c.

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static uword vhost_user_process	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	rt,
		vlib_frame_t *	f
	)

static

Definition at line 1080 of file vhost_user.c.

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static_always_inline void vhost_user_rx_thread_placement	(	vhost_user_intf_t *	vui,
		u32	qid
	)

Unassign existing interface/queue to thread mappings and re-assign new interface/queue to thread mappings.

Definition at line 161 of file vhost_user.c.

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static uword vhost_user_send_interrupt_process	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	rt,
		vlib_frame_t *	f
	)

static

Definition at line 983 of file vhost_user.c.

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static void vhost_user_set_interrupt_pending	(	vhost_user_intf_t *	vui,
		u32	ifq
	)

static

Definition at line 213 of file vhost_user.c.

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static clib_error_t* vhost_user_socket_error ( clib_file_t * uf )

static

Definition at line 899 of file vhost_user.c.

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static clib_error_t* vhost_user_socket_read ( clib_file_t * uf )

static

Definition at line 357 of file vhost_user.c.

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static clib_error_t* vhost_user_socksvr_accept_ready ( clib_file_t * uf )

static

Definition at line 914 of file vhost_user.c.

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static void vhost_user_term_if ( vhost_user_intf_t * vui )

static

Disables and reset interface structure.

It can then be either init again, or removed from used interfaces.

Definition at line 1191 of file vhost_user.c.

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static_always_inline void vhost_user_thread_placement	(	vhost_user_intf_t *	vui,
		u32	qid
	)

Definition at line 240 of file vhost_user.c.

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static_always_inline void vhost_user_tx_thread_placement ( vhost_user_intf_t * vui )

Definition at line 120 of file vhost_user.c.

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void vhost_user_unmap_all ( void )

Definition at line 2267 of file vhost_user.c.

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static_always_inline void vhost_user_update_iface_state ( vhost_user_intf_t * vui )

Definition at line 197 of file vhost_user.c.

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static_always_inline void vhost_user_vring_close	(	vhost_user_intf_t *	vui,
		u32	qid
	)

Definition at line 302 of file vhost_user.c.

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static_always_inline void vhost_user_vring_init	(	vhost_user_intf_t *	vui,
		u32	qid
	)

Definition at line 279 of file vhost_user.c.

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static void vhost_user_vui_init	(	vnet_main_t *	vnm,
		vhost_user_intf_t *	vui,
		int	server_sock_fd,
		const char *	sock_filename,
		u64	feature_mask,
		u32 *	sw_if_index
	)

static

Definition at line 1394 of file vhost_user.c.

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VNET_HW_INTERFACE_CLASS	(	vhost_interface_class	,
		static
	)

Variable Documentation

vlib_cli_command_t debug_vhost_user_command

static

Initial value:

= {
    .path = "debug vhost-user",
    .short_help = "debug vhost-user <on | off>",
    .function = debug_vhost_user_command_fn,
}

(constructor) VLIB_CLI_COMMAND (debug_vhost_user_command)

Definition at line 2234 of file vhost_user.c.

vlib_cli_command_t show_vhost_user_command

static

Initial value:

= {
    .path = "show vhost-user",
    .short_help = "show vhost-user [<interface> [<interface> [..]]] [descriptors]",
    .function = show_vhost_user_command_fn,
}

(constructor) VLIB_CLI_COMMAND (show_vhost_user_command)

Definition at line 2176 of file vhost_user.c.

vlib_cli_command_t vhost_user_connect_command

static

Initial value:

= {
    .path = "create vhost-user",
    .short_help = "create vhost-user socket <socket-filename> [server] "
    "[feature-mask <hex>] [hwaddr <mac-addr>] [renumber <dev_instance>] ",
    .function = vhost_user_connect_command_fn,
    .is_mp_safe = 1,
}

(constructor) VLIB_CLI_COMMAND (vhost_user_connect_command)

Definition at line 2014 of file vhost_user.c.

vlib_cli_command_t vhost_user_delete_command

static

Initial value:

= {
    .path = "delete vhost-user",
    .short_help = "delete vhost-user {<interface> | sw_if_index <sw_idx>}",
    .function = vhost_user_delete_command_fn,
}

(constructor) VLIB_CLI_COMMAND (vhost_user_delete_command)

Definition at line 2036 of file vhost_user.c.

vhost_user_main_t vhost_user_main

Initial value:

= {
  .mtu_bytes = 1518,
}

Definition at line 56 of file vhost_user.c.

vlib_node_registration_t vhost_user_process_node

static

Initial value:

= {
    .function = vhost_user_process,
    .type = VLIB_NODE_TYPE_PROCESS,
    .name = "vhost-user-process",
}

(constructor) VLIB_REGISTER_NODE (vhost_user_process_node)

Definition at line 1179 of file vhost_user.c.

vlib_node_registration_t vhost_user_send_interrupt_node

Initial value:

= {
    .function = vhost_user_send_interrupt_process,
    .type = VLIB_NODE_TYPE_PROCESS,
    .name = "vhost-user-send-interrupt-process",
}

(constructor) VLIB_REGISTER_NODE (vhost_user_send_interrupt_node)

Definition at line 53 of file vhost_user.c.

Macros

Functions

Variables

Detailed Description

Macro Definition Documentation

Function Documentation

Variable Documentation