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| author | Parav Pandit <parav@nvidia.com> | 2024-04-06 04:05:37 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2024-04-08 14:10:45 +0100 |
| commit | 5af3e3876d567fb79a355bec1cb48e432d69b4fb (patch) | |
| tree | 7a8dfac7420d2c8e4c7e0494f28855c91625d533 /include/uapi | |
| parent | 4308811ba90118ae1b71a95fee79ab7dada6400c (diff) | |
| download | linux-stable-5af3e3876d567fb79a355bec1cb48e432d69b4fb.tar.gz linux-stable-5af3e3876d567fb79a355bec1cb48e432d69b4fb.tar.bz2 linux-stable-5af3e3876d567fb79a355bec1cb48e432d69b4fb.zip | |
devlink: Support setting max_io_eqs
Many devices send event notifications for the IO queues,
such as tx and rx queues, through event queues.
Enable a privileged owner, such as a hypervisor PF, to set the number
of IO event queues for the VF and SF during the provisioning stage.
example:
Get maximum IO event queues of the VF device::
$ devlink port show pci/0000:06:00.0/2
pci/0000:06:00.0/2: type eth netdev enp6s0pf0vf1 flavour pcivf pfnum 0 vfnum 1
function:
hw_addr 00:00:00:00:00:00 ipsec_packet disabled max_io_eqs 10
Set maximum IO event queues of the VF device::
$ devlink port function set pci/0000:06:00.0/2 max_io_eqs 32
$ devlink port show pci/0000:06:00.0/2
pci/0000:06:00.0/2: type eth netdev enp6s0pf0vf1 flavour pcivf pfnum 0 vfnum 1
function:
hw_addr 00:00:00:00:00:00 ipsec_packet disabled max_io_eqs 32
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Shay Drory <shayd@nvidia.com>
Signed-off-by: Parav Pandit <parav@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/linux/devlink.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/devlink.h b/include/uapi/linux/devlink.h index 2da0c7eb6710..9401aa343673 100644 --- a/include/uapi/linux/devlink.h +++ b/include/uapi/linux/devlink.h @@ -686,6 +686,7 @@ enum devlink_port_function_attr { DEVLINK_PORT_FN_ATTR_OPSTATE, /* u8 */ DEVLINK_PORT_FN_ATTR_CAPS, /* bitfield32 */ DEVLINK_PORT_FN_ATTR_DEVLINK, /* nested */ + DEVLINK_PORT_FN_ATTR_MAX_IO_EQS, /* u32 */ __DEVLINK_PORT_FUNCTION_ATTR_MAX, DEVLINK_PORT_FUNCTION_ATTR_MAX = __DEVLINK_PORT_FUNCTION_ATTR_MAX - 1 |