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6afb255d97
these changes were generated with nixq 0.0.2, by running nixq ">> lib.mdDoc[remove] Argument[keep]" --batchmode nixos/**.nix nixq ">> mdDoc[remove] Argument[keep]" --batchmode nixos/**.nix nixq ">> Inherit >> mdDoc[remove]" --batchmode nixos/**.nix two mentions of the mdDoc function remain in nixos/, both of which are inside of comments. Since lib.mdDoc is already defined as just id, this commit is a no-op as far as Nix (and the built manual) is concerned.
58 lines
1.5 KiB
Nix
58 lines
1.5 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.hardware.infiniband;
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opensm-services = {
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"opensm@" = {
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enable = true;
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description = "Starts OpenSM Infiniband fabric Subnet Managers";
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before = [ "network.target"];
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unitConfig = {
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ConditionPathExists = "/sys/class/infiniband_mad/abi_version";
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};
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serviceConfig = {
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Type = "simple";
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ExecStart = "${pkgs.opensm}/bin/opensm --guid %I --log_file /var/log/opensm.%I.log";
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};
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};
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} // (builtins.listToAttrs (map (guid: {
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name = "opensm@${guid}";
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value = {
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enable = true;
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wantedBy = [ "machines.target" ];
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overrideStrategy = "asDropin";
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};
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} ) cfg.guids));
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in
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{
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options.hardware.infiniband = {
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enable = mkEnableOption "Infiniband support";
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guids = mkOption {
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type = with types; listOf str;
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default = [];
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example = [ "0xe8ebd30000eee2e1" ];
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description = ''
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A list of infiniband port guids on the system. This is discoverable using `ibstat -p`
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'';
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};
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};
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config = mkIf cfg.enable {
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boot.initrd.kernelModules = [
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"mlx5_core" "mlx5_ib" "ib_cm"
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"rdma_cm" "rdma_ucm" "rpcrdma"
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"ib_ipoib" "ib_isert" "ib_umad" "ib_uverbs"
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];
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# rdma-core exposes ibstat, mstflint exposes mstconfig (which can be needed for
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# setting link configurations), qperf needed to affirm link speeds
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environment.systemPackages = with pkgs; [
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rdma-core mstflint qperf
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];
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systemd.services = opensm-services;
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};
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}
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