mirror of
https://github.com/intel/intel-device-plugins-for-kubernetes.git
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11b04425c2
initcontainer enables vfs and configures vfs - only first pf is used to configure a vf - only one vf is configured from the pf add dlb-initcontainer kustomize overlay update CRD to have initImage implment operator to run initcontainer update e2e test to run initcontainer overlay update envtest to test initimage Signed-off-by: Hyeongju Johannes Lee <hyeongju.lee@intel.com>
50 lines
1.8 KiB
Bash
Executable File
50 lines
1.8 KiB
Bash
Executable File
#!/bin/sh -eu
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enable_and_configure_vfs() {
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devpath=$1
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sriov_numvfs_path="$devpath/sriov_numvfs"
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if ! test -w "$sriov_numvfs_path"; then
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echo "error: $sriov_numvfs_path is not found or not writable. Check if dlb driver module is loaded"
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exit 1
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fi
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if [ "$(cat "$sriov_numvfs_path")" -ne 0 ]; then
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echo "$devpath already configured"
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exit 0
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fi
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# enable sriov
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echo -n 1 > "$sriov_numvfs_path"
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# configure vf
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# unbind vf
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vf_pciid=$(basename "$(realpath "$devpath/virtfn0")")
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dlb_pci_driver_path=/sys/bus/pci/drivers/dlb2
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echo -n "$vf_pciid" > $dlb_pci_driver_path/unbind
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# assign resources to vf
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vf_resources_path="$devpath/vf0_resources"
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echo -n 2048 > "$vf_resources_path/num_atomic_inflights"
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echo -n 2048 > "$vf_resources_path/num_dir_credits"
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echo -n 8 > "$vf_resources_path/num_dir_ports"
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echo -n 2048 > "$vf_resources_path/num_hist_list_entries"
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echo -n 8192 > "$vf_resources_path/num_ldb_credits"
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echo -n 4 > "$vf_resources_path/num_ldb_ports"
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echo -n 32 > "$vf_resources_path/num_ldb_queues"
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echo -n 32 > "$vf_resources_path/num_sched_domains"
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echo -n 2 > "$vf_resources_path/num_sn0_slots"
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echo -n 2 > "$vf_resources_path/num_sn1_slots"
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# bind vf back to dlb2 driver
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echo -n "$vf_pciid" > $dlb_pci_driver_path/bind
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echo "$devpath configured"
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# TODO: Due to unknown e2e-dlb (Simics) limitations, it is not possible to configure per VF resources based on values
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# reported in /sys/bus/pci/devices/<dev_name>/total_resources/<resource_name>. Therefore, only one VF with
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# values known to work is enabled. This will be improved in the future to make the scrip more meaningful for real-world
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# deployments (see #1145).
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}
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# use first dlb device to configure a vf
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DEVPATH=$(realpath /sys/bus/pci/drivers/dlb2/????:??:??\.0 | head -1)
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enable_and_configure_vfs "$DEVPATH"
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