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sr-iov.service

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+[Unit]
+Description=Script to enable SR-IOV on boot
+Before=network.target
+
+[Service]
+ExecStart=/usr/bin/sr-iov.sh
+Type=oneshot
+RemainAfterExit=yes
+
+[Install]
+WantedBy=multi-user.target
+
+

sr-iov.sh

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+#!/bin/sh       
+# set x520 port 1&2 up
+ip link set dev enp1s0f0 up
+ip link set dev enp1s0f1 up
+ip link set dev enp1s0f1v0 up
+ip link set dev enp1s0f1v1 up
+ip link set dev enp1s0f1v2 up
+ip link set dev enp1s0f1v3 up
+
+# set x540 port 1&2 up
+ip link set dev enp3s0f0 up
+ip link set dev enp3s0f1 up
+ip link set dev enp3s0f1v0 up
+ip link set dev enp3s0f1v1 up
+ip link set dev enp3s0f1v2 up
+ip link set dev enp3s0f1v3 up
+
+# set x520 vf 0-4 static mac address port1
+ip link set dev enp1s0f0 vf 0 mac 00:52:6b:a5:a3:11
+ip link set dev enp1s0f0 vf 1 mac 00:52:6b:a5:a3:12
+ip link set dev enp1s0f0 vf 2 mac 00:52:6b:a5:a3:13
+ip link set dev enp1s0f0 vf 3 mac 00:52:6b:a5:a3:14
+# set x520 vf 0-4 static mac address port2
+ip link set dev enp1s0f1 vf 0 mac 00:52:6b:a5:a3:21
+ip link set dev enp1s0f1 vf 1 mac 00:52:6b:a5:a3:22
+ip link set dev enp1s0f1 vf 2 mac 00:52:6b:a5:a3:23
+ip link set dev enp1s0f1 vf 3 mac 00:52:6b:a5:a3:24
+
+# set x540 vf 0-4 static mac address port1
+ip link set dev enp3s0f0 vf 0 mac 00:54:6b:a5:a3:11
+ip link set dev enp3s0f0 vf 1 mac 00:54:6b:a5:a3:12
+ip link set dev enp3s0f0 vf 2 mac 00:54:6b:a5:a3:13
+ip link set dev enp3s0f0 vf 3 mac 00:54:6b:a5:a3:14
+# set x540 vf 0-4 static mac address port2
+ip link set dev enp3s0f1 vf 0 mac 00:54:6b:a5:a3:21
+ip link set dev enp3s0f1 vf 1 mac 00:54:6b:a5:a3:22
+ip link set dev enp3s0f1 vf 2 mac 00:54:6b:a5:a3:23
+ip link set dev enp3s0f1 vf 3 mac 00:54:6b:a5:a3:24

sysfs.conf

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+#
+# /etc/sysfs.conf - Configuration file for setting sysfs attributes.
+#
+# The sysfs mount directory is automatically prepended to the attribute paths.
+# The attribute paths support glob(7) wildcard patterns.
+#
+# Syntax:
+# attribute = value
+# mode attribute = 0600 # (any valid argument for chmod)
+# owner attribute = root:wheel # (any valid argument for chown)
+#
+# Examples:
+#
+# Always use the powersave CPU frequency governor
+# devices/system/cpu/cpu0/cpufreq/scaling_governor = powersave
+#
+# Use userspace CPU frequency governor and set initial speed
+# devices/system/cpu/cpu0/cpufreq/scaling_governor = userspace
+# devices/system/cpu/cpu0/cpufreq/scaling_setspeed = 600000
+#
+# Set permissions of suspend control file
+# mode power/state = 0660
+# owner power/state = root:power
+#
+# 2023-11-03 edit by ob_ sr-iov xt540 xt520 max_fs=4
+bus/pci/devices/0000:01:00.1/sriov_numvfs=4
+bus/pci/devices/0000:03:00.0/sriov_numvfs=4
+bus/pci/devices/0000:03:00.1/sriov_numvfs=4

vfio.conf

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+options vfio_iommu_type1 allow_unsafe_interrupts=1
+#options vfio-pci ids=8086:3e96,8086:a352,8086:1528
+options vfio-pci ids=8086:a352,8086:1528