[root@dell-per740-17 ~]# cat /proc/cmdline 
BOOT_IMAGE=(hd0,msdos1)/vmlinuz-5.14.0-402.el9.x86_64 root=/dev/mapper/rhel_dell--per740--17-root ro intel_iommu=on iommu=pt ksdevice=bootif crashkernel=1G-4G:192M,4G-64G:256M,64G-:512M resume=/dev/mapper/rhel_dell--per740--17-swap rd.lvm.lv=rhel_dell-per740-17/root rd.lvm.lv=rhel_dell-per740-17/swap console=ttyS0,115200n81

[root@dell-per740-17 ~]# ethtool -i enp94s0
driver: ice
version: 5.14.0-402.el9.x86_64
firmware-version: 4.30 0x8001af25 1.3429.0
expansion-rom-version: 
bus-info: 0000:5e:00.0
supports-statistics: yes
supports-test: yes
supports-eeprom-access: yes
supports-register-dump: yes
supports-priv-flags: yes
[root@dell-per740-17 ~]# cat /sys/class/net/enp94s0/device/sriov_totalvfs 
256
[root@dell-per740-17 ~]# echo 256 > /sys/class/net/enp94s0/device/sriov_numvfs 
[root@dell-per740-17 ~]# echo $?
0

[root@dell-per740-17 ~]# ip link show enp94s0
7: enp94s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
    link/ether 40:a6:b7:9e:e4:f8 brd ff:ff:ff:ff:ff:ff
    vf 0     link/ether ae:62:ca:2e:a6:5f brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
    vf 1     link/ether ce:76:c5:d2:2b:44 brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
    vf 2     link/ether 0e:e8:00:13:97:7e brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
    vf 3     link/ether 06:f1:08:07:13:a4 brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
    vf 4     link/ether 8e:01:91:19:10:42 brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
    vf 5     link/ether 32:f0:d3:ac:f6:ee brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
    vf 6     link/ether ae:79:01:26:02:96 brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
    vf 7     link/ether d6:f3:bc:e7:98:c3 brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
    vf 8     link/ether 8a:ca:46:90:40:11 brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
    vf 9     link/ether ae:04:be:b3:55:a4 brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
    vf 10     link/ether f6:5a:12:15:ec:91 brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
    vf 11     link/ether 4a:8e:d1:4d:dd:29 brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
    vf 12     link/ether da:c1:76:da:9e:07 brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
    vf 13     link/ether 76:1d:7b:03:be:6a brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
    vf 14     link/ether 96:b3:f4:58:f7:43 brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
    vf 15     link/ether 86:4d:bf:9d:e3:d9 brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
    vf 16     link/ether 16:43:30:bb:78:f4 brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
    vf 17     link/ether 5a:8a:61:6a:0f:62 brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
    vf 18     link/ether 42:c4:11:77:43:62 brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
    vf 19     link/ether 8a:1e:4a:2a:5f:4d brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
    vf 20     link/ether 7a:80:0e:81:7f:50 brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
    vf 21     link/ether 26:9e:83:72:9f:8b brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
    vf 22     link/ether c2:07:0e:d8:62:f7 brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
    vf 23     link/ether 36:87:4e:64:d6:23 brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
    vf 24     link/ether 0e:54:05:43:d9:d0 brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
    vf 25     link/ether b2:bf:18:12:cf:3d brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
    vf 26     link/ether de:74:f0:9a:53:e8 brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
    vf 27     link/ether da:94:3b:b8:a3:92 brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
    vf 28     link/ether 6a:8d:2b:e6:97:8b brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
    vf 29     link/ether a6:c4:1a:40:71:1e brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
    vf 30     link/ether 8e:72:76:7c:29:14 brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
    vf 31     link/ether 0a:8f:c3:b3:c5:68 brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
    vf 32     link/ether d2:3b:43:46:ba:5e brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
    vf 33     link/ether b6:78:b9:3d:34:33 brd ff:ff:ff:ff:ff:ff, spoof checking on, link-state auto, trust off
Truncated VF list: enp94s0

[root@dell-per740-17 ~]# ip a ls | grep -E 'enp94s0v.*:' | wc -l
256