vhost_user.c File Reference

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Data Structures
struct	dpdk_vu_process_state

Macros
#define	VHOST_USER_DEBUG_SOCKET   0
#define	DBG_SOCK(args...)
#define	OFFLOAD_FEATURES
#define	foreach_dpdk_vhost_feature

Functions
static int	dpdk_vhost_user_set_vring_enable (u32 hw_if_index, u8 idx, int enable)
static uint64_t	qva_to_vva (struct virtio_net *dev, uint64_t qemu_va)
static dpdk_device_t *	dpdk_vhost_user_device_from_hw_if_index (u32 hw_if_index)
static dpdk_device_t *	dpdk_vhost_user_device_from_sw_if_index (u32 sw_if_index)
static void	stop_processing_packets (u32 hw_if_index, u8 idx)
static void	disable_interface (dpdk_device_t *xd)
static void *	map_guest_mem (dpdk_device_t *xd, u64 addr)
static clib_error_t *	dpdk_create_vhost_user_if_internal (u32 *hw_if_index, u32 if_id, u8 *hwaddr)
static long	get_huge_page_size (int fd)
static clib_error_t *	dpdk_vhost_user_set_protocol_features (u32 hw_if_index, u64 prot_features)
static clib_error_t *	dpdk_vhost_user_get_features (u32 hw_if_index, u64 *features)
static clib_error_t *	dpdk_vhost_user_set_features (u32 hw_if_index, u64 features)
static clib_error_t *	dpdk_vhost_user_set_mem_table (u32 hw_if_index, vhost_user_memory_t *vum, int fd[])
static clib_error_t *	dpdk_vhost_user_set_vring_num (u32 hw_if_index, u8 idx, u32 num)
static clib_error_t *	dpdk_vhost_user_set_vring_addr (u32 hw_if_index, u8 idx, u64 desc, u64 used, u64 avail, u64 log)
static clib_error_t *	dpdk_vhost_user_get_vring_base (u32 hw_if_index, u8 idx, u32 *num)
static clib_error_t *	dpdk_vhost_user_set_vring_base (u32 hw_if_index, u8 idx, u32 num)
static clib_error_t *	dpdk_vhost_user_set_vring_kick (u32 hw_if_index, u8 idx, int fd)
static clib_error_t *	dpdk_vhost_user_callfd_read_ready (unix_file_t *uf)
static clib_error_t *	dpdk_vhost_user_set_vring_call (u32 hw_if_index, u8 idx, int fd)
u8	dpdk_vhost_user_want_interrupt (dpdk_device_t *xd, int idx)
void	dpdk_vhost_user_send_interrupt (vlib_main_t *vm, dpdk_device_t *xd, int idx)
static void	dpdk_vhost_user_vui_init (vnet_main_t *vnm, dpdk_device_t *xd, int sockfd, const char *sock_filename, u8 is_server, u64 feature_mask, u32 *sw_if_index)
static void	dpdk_vhost_user_vui_register (vlib_main_t *vm, dpdk_device_t *xd)
static void	dpdk_vhost_user_if_disconnect (dpdk_device_t *xd)
static clib_error_t *	dpdk_vhost_user_socket_read (unix_file_t *uf)
static clib_error_t *	dpdk_vhost_user_socket_error (unix_file_t *uf)
static clib_error_t *	dpdk_vhost_user_socksvr_accept_ready (unix_file_t *uf)
static int	dpdk_vhost_user_init_server_sock (const char *sock_filename, int *sockfd)
int	dpdk_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	dpdk_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)
int	dpdk_vhost_user_delete_if (vnet_main_t *vnm, vlib_main_t *vm, u32 sw_if_index)
int	dpdk_vhost_user_dump_ifs (vnet_main_t *vnm, vlib_main_t *vm, vhost_user_intf_details_t **out_vuids)
void	dpdk_vhost_user_process_init (void **ctx)
void	dpdk_vhost_user_process_cleanup (void *ctx)
uword	dpdk_vhost_user_process_if (vlib_main_t *vm, dpdk_device_t *xd, void *ctx)
static clib_error_t *	dpdk_vhost_user_connect_command_fn (vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
static clib_error_t *	dpdk_vhost_user_delete_command_fn (vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
static clib_error_t *	show_dpdk_vhost_user_command_fn (vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)

Variables
static const char *	vhost_message_str []
vlib_cli_command_t	dpdk_vhost_user_connect_command
	(constructor) VLIB_CLI_COMMAND (dpdk_vhost_user_connect_command) More...
vlib_cli_command_t	dpdk_vhost_user_delete_command
	(constructor) VLIB_CLI_COMMAND (dpdk_vhost_user_delete_command) More...
vlib_cli_command_t	show_vhost_user_command
	(constructor) VLIB_CLI_COMMAND (show_vhost_user_command) More...

Macro Definition Documentation

#define DBG_SOCK

(

args...

)

Definition at line 39 of file vhost_user.c.

#define foreach_dpdk_vhost_feature

Value:

_ (VIRTIO_NET_F_MRG_RXBUF)             \
 _ (VIRTIO_NET_F_CTRL_VQ)               \
 _ (VIRTIO_NET_F_CTRL_RX)

Definition at line 1768 of file vhost_user.c.

#define OFFLOAD_FEATURES

Value:

((1ULL << VIRTIO_NET_F_HOST_TSO4) | \
                (1ULL << VIRTIO_NET_F_HOST_TSO6) | \
                (1ULL << VIRTIO_NET_F_CSUM)    | \
                (1ULL << VIRTIO_NET_F_GUEST_CSUM) | \
                (1ULL << VIRTIO_NET_F_GUEST_TSO4) | \
                (1ULL << VIRTIO_NET_F_GUEST_TSO6))

#define VHOST_USER_DEBUG_SOCKET   0

Definition at line 34 of file vhost_user.c.

Function Documentation

static void disable_interface ( dpdk_device_t *  xd )

static

Definition at line 167 of file vhost_user.c.

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static clib_error_t* dpdk_create_vhost_user_if_internal ( u32 *  hw_if_index, u32  if_id, u8 *  hwaddr  )

static

Definition at line 195 of file vhost_user.c.

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static clib_error_t* dpdk_vhost_user_callfd_read_ready ( unix_file_t *  uf )

static

Definition at line 794 of file vhost_user.c.

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static clib_error_t* dpdk_vhost_user_connect_command_fn ( vlib_main_t *  vm, unformat_input_t *  input, vlib_cli_command_t *  cmd  )

static

Definition at line 1663 of file vhost_user.c.

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int dpdk_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 1396 of file vhost_user.c.

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static clib_error_t* dpdk_vhost_user_delete_command_fn ( vlib_main_t *  vm, unformat_input_t *  input, vlib_cli_command_t *  cmd  )

static

Definition at line 1723 of file vhost_user.c.

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

Definition at line 1492 of file vhost_user.c.

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static dpdk_device_t* dpdk_vhost_user_device_from_hw_if_index ( u32  hw_if_index )

static

Definition at line 132 of file vhost_user.c.

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static dpdk_device_t* dpdk_vhost_user_device_from_sw_if_index ( u32  sw_if_index )

static

Definition at line 146 of file vhost_user.c.

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

Definition at line 1525 of file vhost_user.c.

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static clib_error_t* dpdk_vhost_user_get_features ( u32  hw_if_index, u64 *  features  )

static

Definition at line 430 of file vhost_user.c.

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static clib_error_t* dpdk_vhost_user_get_vring_base ( u32  hw_if_index, u8  idx, u32 *  num  )

static

Definition at line 615 of file vhost_user.c.

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static void dpdk_vhost_user_if_disconnect ( dpdk_device_t *  xd )

inlinestatic

Definition at line 920 of file vhost_user.c.

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static int dpdk_vhost_user_init_server_sock ( const char *  sock_filename, int *  sockfd  )

static

Definition at line 1350 of file vhost_user.c.

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int dpdk_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 1442 of file vhost_user.c.

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void dpdk_vhost_user_process_cleanup

(

void *

ctx

)

Definition at line 1615 of file vhost_user.c.

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uword dpdk_vhost_user_process_if	(	vlib_main_t *	vm,
		dpdk_device_t *	xd,
		void *	ctx
	)

Definition at line 1620 of file vhost_user.c.

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void dpdk_vhost_user_process_init

(

void **

ctx

)

Definition at line 1603 of file vhost_user.c.

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void dpdk_vhost_user_send_interrupt	(	vlib_main_t *	vm,
		dpdk_device_t *	xd,
		int	idx
	)

Definition at line 852 of file vhost_user.c.

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static clib_error_t* dpdk_vhost_user_set_features ( u32  hw_if_index, u64  features  )

static

Definition at line 454 of file vhost_user.c.

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static clib_error_t* dpdk_vhost_user_set_mem_table ( u32  hw_if_index, vhost_user_memory_t *  vum, int  fd[]  )

static

Definition at line 495 of file vhost_user.c.

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static clib_error_t* dpdk_vhost_user_set_protocol_features ( u32  hw_if_index, u64  prot_features  )

static

Definition at line 419 of file vhost_user.c.

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static clib_error_t* dpdk_vhost_user_set_vring_addr ( u32  hw_if_index, u8  idx, u64  desc, u64  used, u64  avail, u64  log  )

static

Definition at line 566 of file vhost_user.c.

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static clib_error_t* dpdk_vhost_user_set_vring_base ( u32  hw_if_index, u8  idx, u32  num  )

static

Definition at line 671 of file vhost_user.c.

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static clib_error_t* dpdk_vhost_user_set_vring_call ( u32  hw_if_index, u8  idx, int  fd  )

static

Definition at line 803 of file vhost_user.c.

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static int dpdk_vhost_user_set_vring_enable ( u32  hw_if_index, u8  idx, int  enable  )

static

Definition at line 754 of file vhost_user.c.

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static clib_error_t* dpdk_vhost_user_set_vring_kick ( u32  hw_if_index, u8  idx, int  fd  )

static

Definition at line 693 of file vhost_user.c.

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static clib_error_t* dpdk_vhost_user_set_vring_num ( u32  hw_if_index, u8  idx, u32  num  )

static

Definition at line 546 of file vhost_user.c.

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static clib_error_t* dpdk_vhost_user_socket_error ( unix_file_t *  uf )

static

Definition at line 1288 of file vhost_user.c.

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static clib_error_t* dpdk_vhost_user_socket_read ( unix_file_t *  uf )

static

Definition at line 943 of file vhost_user.c.

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static clib_error_t* dpdk_vhost_user_socksvr_accept_ready ( unix_file_t *  uf )

static

Definition at line 1307 of file vhost_user.c.

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static void dpdk_vhost_user_vui_init ( vnet_main_t *  vnm, dpdk_device_t *  xd, int  sockfd, const char *  sock_filename, u8  is_server, u64  feature_mask, u32 *  sw_if_index  )

static

Definition at line 878 of file vhost_user.c.

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static void dpdk_vhost_user_vui_register ( vlib_main_t *  vm, dpdk_device_t *  xd  )

static

Definition at line 910 of file vhost_user.c.

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u8 dpdk_vhost_user_want_interrupt	(	dpdk_device_t *	xd,
		int	idx
	)

Definition at line 836 of file vhost_user.c.

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static long get_huge_page_size ( int  fd )

static

Definition at line 409 of file vhost_user.c.

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static void* map_guest_mem ( dpdk_device_t *  xd, u64  addr  )

inlinestatic

Definition at line 179 of file vhost_user.c.

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static uint64_t qva_to_vva ( struct virtio_net *  dev, uint64_t  qemu_va  )

static

Definition at line 110 of file vhost_user.c.

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static clib_error_t* show_dpdk_vhost_user_command_fn ( vlib_main_t *  vm, unformat_input_t *  input, vlib_cli_command_t *  cmd  )

static

Definition at line 1774 of file vhost_user.c.

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static void stop_processing_packets ( u32  hw_if_index, u8  idx  )

static

Definition at line 155 of file vhost_user.c.

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Variable Documentation

vlib_cli_command_t dpdk_vhost_user_connect_command

Initial value:

= {
    .path = "create vhost-user",
    .short_help = "create vhost-user socket <socket-filename> [server] [feature-mask <hex>] [renumber <dev_instance>]",
    .function = dpdk_vhost_user_connect_command_fn,
}

(constructor) VLIB_CLI_COMMAND (dpdk_vhost_user_connect_command)

Definition at line 1716 of file vhost_user.c.

vlib_cli_command_t dpdk_vhost_user_delete_command

Initial value:

= {
    .path = "delete vhost-user",
    .short_help = "delete vhost-user sw_if_index <nn>",
    .function = dpdk_vhost_user_delete_command_fn,
}

(constructor) VLIB_CLI_COMMAND (dpdk_vhost_user_delete_command)

Definition at line 1762 of file vhost_user.c.

vlib_cli_command_t show_vhost_user_command

Initial value:

= {
    .path = "show vhost-user",
    .short_help = "show vhost-user interface",
    .function = show_dpdk_vhost_user_command_fn,
}

(constructor) VLIB_CLI_COMMAND (show_vhost_user_command)

Definition at line 1919 of file vhost_user.c.

const char* vhost_message_str[]

static

Initial value:

= {
    [VHOST_USER_NONE] = "VHOST_USER_NONE",
    [VHOST_USER_GET_FEATURES] = "VHOST_USER_GET_FEATURES",
    [VHOST_USER_SET_FEATURES] = "VHOST_USER_SET_FEATURES",
    [VHOST_USER_SET_OWNER] = "VHOST_USER_SET_OWNER",
    [VHOST_USER_RESET_OWNER] = "VHOST_USER_RESET_OWNER",
    [VHOST_USER_SET_MEM_TABLE] = "VHOST_USER_SET_MEM_TABLE",
    [VHOST_USER_SET_LOG_BASE] = "VHOST_USER_SET_LOG_BASE",
    [VHOST_USER_SET_LOG_FD] = "VHOST_USER_SET_LOG_FD",
    [VHOST_USER_SET_VRING_NUM] = "VHOST_USER_SET_VRING_NUM",
    [VHOST_USER_SET_VRING_ADDR] = "VHOST_USER_SET_VRING_ADDR",
    [VHOST_USER_SET_VRING_BASE] = "VHOST_USER_SET_VRING_BASE",
    [VHOST_USER_GET_VRING_BASE] = "VHOST_USER_GET_VRING_BASE",
    [VHOST_USER_SET_VRING_KICK] = "VHOST_USER_SET_VRING_KICK",
    [VHOST_USER_SET_VRING_CALL] = "VHOST_USER_SET_VRING_CALL",
    [VHOST_USER_SET_VRING_ERR]  = "VHOST_USER_SET_VRING_ERR",

    [VHOST_USER_GET_PROTOCOL_FEATURES]  = "VHOST_USER_GET_PROTOCOL_FEATURES",
    [VHOST_USER_SET_PROTOCOL_FEATURES]  = "VHOST_USER_SET_PROTOCOL_FEATURES",
    [VHOST_USER_GET_QUEUE_NUM]  = "VHOST_USER_GET_QUEUE_NUM",
    [VHOST_USER_SET_VRING_ENABLE]  = "VHOST_USER_SET_VRING_ENABLE",

}

Definition at line 42 of file vhost_user.c.