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DEVLINK-DEV

Section: Linux (8)
Updated: 5 Jan 2021
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NAME

vdp-dev - vdpa device configuration  

SYNOPSIS


vdpa dev [ OPTIONS ] { COMMAND| help }


OPTIONS := { -V[ersion] }


vdpa dev show [ DEV ]


vdpa dev help


vdpa dev add name NAME mgmtdev MGMTDEV [ device_features DEVICE_FEATURES ] [ mac MACADDR ] [ mtu MTU ] [ max_vqp MAX_VQ_PAIRS ]


vdpa dev del DEV


vdpa dev config show [ DEV ]


vdpa dev vstats show DEV qidx QUEUE_INDEX


vdpa dev set name NAME mac [ MACADDR ]

 

DESCRIPTION

 

vdpa dev show- display vdpa device attributes

DEV - specifies the vdpa device to show. If this argument is omitted all devices are listed.

Format is: VDPA_DEVICE_NAME

 

vdpa dev add- add a new vdpa device.

name NAME
Name of the new vdpa device to add.

mgmtdev MGMTDEV
Name of the management device to use for device addition.

device_features DEVICE_FEATURES Specifies the virtio device features bi-mask that is provisioned for the new vdpa device.

The bits can be found under include/uapi/linux/virtio*h.

see macros such as VIRTIO_F_ and VIRTIO_XXX(e.g NET)_F_ for specific bit values.

This is optional.

mac MACADDR - specifies the mac address for the new vdpa device. This is applicable only for the network type of vdpa device. This is optional.

mtu MTU - specifies the mtu for the new vdpa device. This is applicable only for the network type of vdpa device. This is optional.

 

vdpa dev del- Delete the vdpa device.

DEV - specifies the vdpa device to delete.

 

vdpa dev config show- Show configuration of specific device or all devices.

DEV - specifies the vdpa device to show its configuration. If this argument is omitted all devices configuration is listed.

Format is: VDPA_DEVICE_NAME

 

vdpa dev vstats show- shows vendor specific statistics for the given device and virtqueue index. The information is presented as nam-value pairs where name is the name of the field and value is a numeric value for it.

DEV
- specifies the vdpa device to query

qidx QUEUE_INDEX
- specifies the virtqueue index to query

 

vdpa dev set- set the configuration to the vdpa device.

name NAME -Name of the vdpa device to configure.

mac MACADDR - specifies the mac address for the vdpa device. This is applicable only for the network type of vdpa device.

 

EXAMPLES

vdpa dev show

Shows the all vdpa devices on the system.

vdpa dev show foo

Shows the specified vdpa device.

vdpa dev add name foo mgmtdev vdpa_sim_net

Add the vdpa device named foo on the management device vdpa_sim_net.

vdpa dev add name foo mgmtdev vdpa_sim_net device_features 0x300020000

Add the vdpa device named foo on the management device vdpa_sim_net with device_features of 0x300020000

vdpa dev add name foo mgmtdev vdpa_sim_net mac 00:11:22:33:44:55

Add the vdpa device named foo on the management device vdpa_sim_net with mac address of 00:11:22:33:44:55.

vdpa dev add name foo mgmtdev vdpa_sim_net mac 00:11:22:33:44:55 mtu 9000

Add the vdpa device named foo on the management device vdpa_sim_net with mac address of 00:11:22:33:44:55 and mtu of 9000 bytes.

vdpa dev add name foo mgmtdev auxiliary/mlx5_core.sf.1 mac 00:11:22:33:44:55 max_vqp 8

Add the vdpa device named foo on the management device auxiliary/mlx5_core.sf.1 with mac address of 00:11:22:33:44:55 and max 8 virtqueue pairs

vdpa dev del foo

Delete the vdpa device named foo which was previously created.

vdpa dev config show foo

Shows the vdpa device configuration of device named foo.

vdpa dev vstats show vdpa0 qidx 1

Shows vendor specific statistics information for vdpa device vdpa0 and virtqueue index 1

vdpa dev set name vdpa0 mac 00:11:22:33:44:55

Set a specific MAC address to vdpa device vdpa0

 

SEE ALSO

vdpa(8), vdp-mgmtdev(8),

 

AUTHOR

Parav Pandit <parav@nvidia.com>

 

Index

NAME
SYNOPSIS
DESCRIPTION
vdpa dev show - display vdpa device attributes
vdpa dev add - add a new vdpa device.
vdpa dev del - Delete the vdpa device.
vdpa dev config show - Show configuration of specific device or all devices.
vdpa dev vstats show - shows vendor specific statistics for the given device and virtqueue index. The information is presented as name-value pairs where name is the name of the field and value is a numeric value for it.
vdpa dev set - set the configuration to the vdpa device.
EXAMPLES
SEE ALSO
AUTHOR