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Merge pull request #353 from SchSeba/support_BF2_connectx
Add support for BF2 in connectX mode
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| package utils | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "regexp" | ||
| "strings" | ||
|
|
||
| "github.com/golang/glog" | ||
| ) | ||
|
|
||
| //BlueField mode representation | ||
| type BlueFieldMode int | ||
|
|
||
| const ( | ||
| bluefieldDpu BlueFieldMode = iota | ||
| bluefieldConnectXMode | ||
|
|
||
| internalCPUPageSupplier = "INTERNAL_CPU_PAGE_SUPPLIER" | ||
| internalCPUEswitchManager = "INTERNAL_CPU_ESWITCH_MANAGER" | ||
| internalCPUIbVporto = "INTERNAL_CPU_IB_VPORT0" | ||
| internalCPUOffloadEngine = "INTERNAL_CPU_OFFLOAD_ENGINE" | ||
| internalCPUModel = "INTERNAL_CPU_MODEL" | ||
|
|
||
| ecpf = "ECPF" | ||
| extHostPf = "EXT_HOST_PF" | ||
| embeddedCPU = "EMBEDDED_CPU" | ||
|
|
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| disabled = "DISABLED" | ||
| enabled = "ENABLED" | ||
| ) | ||
|
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| func MstConfigReadData(pciAddress string) (string, error) { | ||
| glog.Infof("MstConfigReadData(): device %s", pciAddress) | ||
| args := []string{"-e", "-d", pciAddress, "q"} | ||
| out, err := RunCommand("mstconfig", args...) | ||
| return out, err | ||
| } | ||
|
|
||
| func ParseMstconfigOutput(mstOutput string, attributes []string) (fwCurrent, fwNext map[string]string) { | ||
| glog.Infof("ParseMstconfigOutput(): Attributes %v", attributes) | ||
| fwCurrent = map[string]string{} | ||
| fwNext = map[string]string{} | ||
| formatRegex := regexp.MustCompile(`(?P<Attribute>\w+)\s+(?P<Default>\S+)\s+(?P<Current>\S+)\s+(?P<Next>\S+)`) | ||
| mstOutputLines := strings.Split(mstOutput, "\n") | ||
| for _, attr := range attributes { | ||
| for _, line := range mstOutputLines { | ||
| if strings.Contains(line, attr) { | ||
| regexResult := formatRegex.FindStringSubmatch(line) | ||
| fwCurrent[attr] = regexResult[3] | ||
| fwNext[attr] = regexResult[4] | ||
| break | ||
| } | ||
| } | ||
| } | ||
| return | ||
| } | ||
|
|
||
| func mellanoxBlueFieldMode(PciAddress string) (BlueFieldMode, error) { | ||
| glog.V(2).Infof("MellanoxBlueFieldMode():checking mode for card %s", PciAddress) | ||
| out, err := MstConfigReadData(PciAddress) | ||
| if err != nil { | ||
| glog.Errorf("MellanoxBlueFieldMode(): failed to get mlx nic fw data %v", err) | ||
| return -1, fmt.Errorf("failed to get mlx nic fw data %v", err) | ||
| } | ||
|
|
||
| attrs := []string{internalCPUPageSupplier, | ||
| internalCPUEswitchManager, | ||
| internalCPUIbVporto, | ||
| internalCPUOffloadEngine, | ||
| internalCPUModel} | ||
| mstCurrentData, _ := ParseMstconfigOutput(out, attrs) | ||
|
|
||
| internalCPUPageSupplierstatus, exist := mstCurrentData[internalCPUPageSupplier] | ||
| if !exist { | ||
| return 0, fmt.Errorf("failed to find %s in the mstconfig output command", internalCPUPageSupplier) | ||
| } | ||
|
|
||
| internalCPUEswitchManagerStatus, exist := mstCurrentData[internalCPUEswitchManager] | ||
| if !exist { | ||
| return 0, fmt.Errorf("failed to find %s in the mstconfig output command", internalCPUEswitchManager) | ||
| } | ||
|
|
||
| internalCPUIbVportoStatus, exist := mstCurrentData[internalCPUIbVporto] | ||
| if !exist { | ||
| return 0, fmt.Errorf("failed to find %s in the mstconfig output command", internalCPUIbVporto) | ||
| } | ||
|
|
||
| internalCPUOffloadEngineStatus, exist := mstCurrentData[internalCPUOffloadEngine] | ||
| if !exist { | ||
| return 0, fmt.Errorf("failed to find %s in the mstconfig output command", internalCPUOffloadEngine) | ||
| } | ||
|
|
||
| internalCPUModelStatus, exist := mstCurrentData[internalCPUModel] | ||
| if !exist { | ||
| return 0, fmt.Errorf("failed to find %s in the mstconfig output command", internalCPUModel) | ||
| } | ||
|
|
||
| // check for DPU | ||
| if strings.Contains(internalCPUPageSupplierstatus, ecpf) && | ||
| strings.Contains(internalCPUEswitchManagerStatus, ecpf) && | ||
| strings.Contains(internalCPUIbVportoStatus, ecpf) && | ||
| strings.Contains(internalCPUOffloadEngineStatus, enabled) && | ||
| strings.Contains(internalCPUModelStatus, embeddedCPU) { | ||
| glog.V(2).Infof("MellanoxBlueFieldMode():card %s in DPU mode", PciAddress) | ||
| return bluefieldDpu, nil | ||
| } else if strings.Contains(internalCPUPageSupplierstatus, extHostPf) && | ||
| strings.Contains(internalCPUEswitchManagerStatus, extHostPf) && | ||
| strings.Contains(internalCPUIbVportoStatus, extHostPf) && | ||
| strings.Contains(internalCPUOffloadEngineStatus, disabled) && | ||
| strings.Contains(internalCPUModelStatus, embeddedCPU) { | ||
| glog.V(2).Infof("MellanoxBlueFieldMode():card %s in ConnectX mode", PciAddress) | ||
| return bluefieldConnectXMode, nil | ||
| } | ||
|
|
||
| glog.Errorf("MellanoxBlueFieldMode(): unknown card status for %s mstconfig output \n %s", PciAddress, out) | ||
| return -1, fmt.Errorf("MellanoxBlueFieldMode(): unknown card status for %s", PciAddress) | ||
| } |