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powerpc/powernv/pci: Add support for PHB4 diagnostics

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As with P7IOC and PHB3, add kernel-side support for decoding and printing
diagnostic data for PHB4.

Signed-off-by: Russell Currey <ruscur@russell.cc>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Russell Currey
2017-06-14 14:20:00 +10:00
committed by Michael Ellerman
parent 5cb1f8fddd
commit a4b48ba904
2 changed files with 178 additions and 2 deletions
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105
arch/powerpc/platforms/powernv/pci.c
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@@ -426,6 +426,108 @@ static void pnv_pci_dump_phb3_diag_data(struct pci_controller *hose,
pnv_pci_dump_pest(data->pestA, data->pestB, OPAL_PHB3_NUM_PEST_REGS);
}
static void pnv_pci_dump_phb4_diag_data(struct pci_controller *hose,
struct OpalIoPhbErrorCommon *common)
{
struct OpalIoPhb4ErrorData *data;
data = (struct OpalIoPhb4ErrorData*)common;
pr_info("PHB4 PHB#%d Diag-data (Version: %d)\n",
hose->global_number, be32_to_cpu(common->version));
if (data->brdgCtl)
pr_info("brdgCtl: %08x\n",
be32_to_cpu(data->brdgCtl));
if (data->deviceStatus || data->slotStatus ||
data->linkStatus || data->devCmdStatus ||
data->devSecStatus)
pr_info("RootSts: %08x %08x %08x %08x %08x\n",
be32_to_cpu(data->deviceStatus),
be32_to_cpu(data->slotStatus),
be32_to_cpu(data->linkStatus),
be32_to_cpu(data->devCmdStatus),
be32_to_cpu(data->devSecStatus));
if (data->rootErrorStatus || data->uncorrErrorStatus ||
data->corrErrorStatus)
pr_info("RootErrSts: %08x %08x %08x\n",
be32_to_cpu(data->rootErrorStatus),
be32_to_cpu(data->uncorrErrorStatus),
be32_to_cpu(data->corrErrorStatus));
if (data->tlpHdr1 || data->tlpHdr2 ||
data->tlpHdr3 || data->tlpHdr4)
pr_info("RootErrLog: %08x %08x %08x %08x\n",
be32_to_cpu(data->tlpHdr1),
be32_to_cpu(data->tlpHdr2),
be32_to_cpu(data->tlpHdr3),
be32_to_cpu(data->tlpHdr4));
if (data->sourceId)
pr_info("sourceId: %08x\n", be32_to_cpu(data->sourceId));
if (data->nFir)
pr_info("nFir: %016llx %016llx %016llx\n",
be64_to_cpu(data->nFir),
be64_to_cpu(data->nFirMask),
be64_to_cpu(data->nFirWOF));
if (data->phbPlssr || data->phbCsr)
pr_info("PhbSts: %016llx %016llx\n",
be64_to_cpu(data->phbPlssr),
be64_to_cpu(data->phbCsr));
if (data->lemFir)
pr_info("Lem: %016llx %016llx %016llx\n",
be64_to_cpu(data->lemFir),
be64_to_cpu(data->lemErrorMask),
be64_to_cpu(data->lemWOF));
if (data->phbErrorStatus)
pr_info("PhbErr: %016llx %016llx %016llx %016llx\n",
be64_to_cpu(data->phbErrorStatus),
be64_to_cpu(data->phbFirstErrorStatus),
be64_to_cpu(data->phbErrorLog0),
be64_to_cpu(data->phbErrorLog1));
if (data->phbTxeErrorStatus)
pr_info("PhbTxeErr: %016llx %016llx %016llx %016llx\n",
be64_to_cpu(data->phbTxeErrorStatus),
be64_to_cpu(data->phbTxeFirstErrorStatus),
be64_to_cpu(data->phbTxeErrorLog0),
be64_to_cpu(data->phbTxeErrorLog1));
if (data->phbRxeArbErrorStatus)
pr_info("RxeArbErr: %016llx %016llx %016llx %016llx\n",
be64_to_cpu(data->phbRxeArbErrorStatus),
be64_to_cpu(data->phbRxeArbFirstErrorStatus),
be64_to_cpu(data->phbRxeArbErrorLog0),
be64_to_cpu(data->phbRxeArbErrorLog1));
if (data->phbRxeMrgErrorStatus)
pr_info("RxeMrgErr: %016llx %016llx %016llx %016llx\n",
be64_to_cpu(data->phbRxeMrgErrorStatus),
be64_to_cpu(data->phbRxeMrgFirstErrorStatus),
be64_to_cpu(data->phbRxeMrgErrorLog0),
be64_to_cpu(data->phbRxeMrgErrorLog1));
if (data->phbRxeTceErrorStatus)
pr_info("RxeTceErr: %016llx %016llx %016llx %016llx\n",
be64_to_cpu(data->phbRxeTceErrorStatus),
be64_to_cpu(data->phbRxeTceFirstErrorStatus),
be64_to_cpu(data->phbRxeTceErrorLog0),
be64_to_cpu(data->phbRxeTceErrorLog1));
if (data->phbPblErrorStatus)
pr_info("PblErr: %016llx %016llx %016llx %016llx\n",
be64_to_cpu(data->phbPblErrorStatus),
be64_to_cpu(data->phbPblFirstErrorStatus),
be64_to_cpu(data->phbPblErrorLog0),
be64_to_cpu(data->phbPblErrorLog1));
if (data->phbPcieDlpErrorStatus)
pr_info("PcieDlp: %016llx %016llx %016llx\n",
be64_to_cpu(data->phbPcieDlpErrorLog1),
be64_to_cpu(data->phbPcieDlpErrorLog2),
be64_to_cpu(data->phbPcieDlpErrorStatus));
if (data->phbRegbErrorStatus)
pr_info("RegbErr: %016llx %016llx %016llx %016llx\n",
be64_to_cpu(data->phbRegbErrorStatus),
be64_to_cpu(data->phbRegbFirstErrorStatus),
be64_to_cpu(data->phbRegbErrorLog0),
be64_to_cpu(data->phbRegbErrorLog1));
pnv_pci_dump_pest(data->pestA, data->pestB, OPAL_PHB4_NUM_PEST_REGS);
}
void pnv_pci_dump_phb_diag_data(struct pci_controller *hose,
unsigned char *log_buff)
{
@@ -442,6 +544,9 @@ void pnv_pci_dump_phb_diag_data(struct pci_controller *hose,
case OPAL_PHB_ERROR_DATA_TYPE_PHB3:
pnv_pci_dump_phb3_diag_data(hose, common);
break;
case OPAL_PHB_ERROR_DATA_TYPE_PHB4:
pnv_pci_dump_phb4_diag_data(hose, common);
break;
default:
pr_warn("%s: Unrecognized ioType %d\n",
__func__, be32_to_cpu(common->ioType));