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powerpc/powernv: Refactor PHB diag-data dump 

As Ben suggested, the patch prints PHB diag-data with multiple
fields in one line and omits the line if the fields of that
line are all zero.

With the patch applied, the PHB3 diag-data dump looks like:

PHB3 PHB#3 Diag-data (Version: 1)

  brdgCtl:     00000002
  RootSts:     0000000f 00400000 b0830008 00100147 00002000
  nFir:        0000000000000000 0030006e00000000 0000000000000000
  PhbSts:      0000001c00000000 0000000000000000
  Lem:         0000000000100000 42498e327f502eae 0000000000000000
  InAErr:      8000000000000000 8000000000000000 0402030000000000 0000000000000000
  PE[  8] A/B: 8480002b00000000 8000000000000000

[ The current diag data is so big that it overflows the printk
  buffer pretty quickly in cases when we get a handful of errors
  at once which can happen. --BenH
]

Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
CC: <stable@vger.kernel.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Gavin Shan 2014-02-25 15:28:38 +08:00 коммит произвёл Benjamin Herrenschmidt
Родитель 9471660437
Коммит af87d2fe95
1 изменённых файлов: 125 добавлений и 95 удалений
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220
arch/powerpc/platforms/powernv/pci.c
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@ -134,57 +134,72 @@ static void pnv_pci_dump_p7ioc_diag_data(struct pci_controller *hose,
pr_info("P7IOC PHB#%d Diag-data (Version: %d)\n\n",
hose->global_number, common->version);
pr_info(" brdgCtl: %08x\n", data->brdgCtl);
pr_info(" portStatusReg: %08x\n", data->portStatusReg);
pr_info(" rootCmplxStatus: %08x\n", data->rootCmplxStatus);
pr_info(" busAgentStatus: %08x\n", data->busAgentStatus);
pr_info(" deviceStatus: %08x\n", data->deviceStatus);
pr_info(" slotStatus: %08x\n", data->slotStatus);
pr_info(" linkStatus: %08x\n", data->linkStatus);
pr_info(" devCmdStatus: %08x\n", data->devCmdStatus);
pr_info(" devSecStatus: %08x\n", data->devSecStatus);
pr_info(" rootErrorStatus: %08x\n", data->rootErrorStatus);
pr_info(" uncorrErrorStatus: %08x\n", data->uncorrErrorStatus);
pr_info(" corrErrorStatus: %08x\n", data->corrErrorStatus);
pr_info(" tlpHdr1: %08x\n", data->tlpHdr1);
pr_info(" tlpHdr2: %08x\n", data->tlpHdr2);
pr_info(" tlpHdr3: %08x\n", data->tlpHdr3);
pr_info(" tlpHdr4: %08x\n", data->tlpHdr4);
pr_info(" sourceId: %08x\n", data->sourceId);
pr_info(" errorClass: %016llx\n", data->errorClass);
pr_info(" correlator: %016llx\n", data->correlator);
pr_info(" p7iocPlssr: %016llx\n", data->p7iocPlssr);
pr_info(" p7iocCsr: %016llx\n", data->p7iocCsr);
pr_info(" lemFir: %016llx\n", data->lemFir);
pr_info(" lemErrorMask: %016llx\n", data->lemErrorMask);
pr_info(" lemWOF: %016llx\n", data->lemWOF);
pr_info(" phbErrorStatus: %016llx\n", data->phbErrorStatus);
pr_info(" phbFirstErrorStatus: %016llx\n", data->phbFirstErrorStatus);
pr_info(" phbErrorLog0: %016llx\n", data->phbErrorLog0);
pr_info(" phbErrorLog1: %016llx\n", data->phbErrorLog1);
pr_info(" mmioErrorStatus: %016llx\n", data->mmioErrorStatus);
pr_info(" mmioFirstErrorStatus: %016llx\n", data->mmioFirstErrorStatus);
pr_info(" mmioErrorLog0: %016llx\n", data->mmioErrorLog0);
pr_info(" mmioErrorLog1: %016llx\n", data->mmioErrorLog1);
pr_info(" dma0ErrorStatus: %016llx\n", data->dma0ErrorStatus);
pr_info(" dma0FirstErrorStatus: %016llx\n", data->dma0FirstErrorStatus);
pr_info(" dma0ErrorLog0: %016llx\n", data->dma0ErrorLog0);
pr_info(" dma0ErrorLog1: %016llx\n", data->dma0ErrorLog1);
pr_info(" dma1ErrorStatus: %016llx\n", data->dma1ErrorStatus);
pr_info(" dma1FirstErrorStatus: %016llx\n", data->dma1FirstErrorStatus);
pr_info(" dma1ErrorLog0: %016llx\n", data->dma1ErrorLog0);
pr_info(" dma1ErrorLog1: %016llx\n", data->dma1ErrorLog1);
if (data->brdgCtl)
pr_info(" brdgCtl: %08x\n",
data->brdgCtl);
if (data->portStatusReg || data->rootCmplxStatus ||
data->busAgentStatus)
pr_info(" UtlSts: %08x %08x %08x\n",
data->portStatusReg, data->rootCmplxStatus,
data->busAgentStatus);
if (data->deviceStatus || data->slotStatus ||
data->linkStatus || data->devCmdStatus ||
data->devSecStatus)
pr_info(" RootSts: %08x %08x %08x %08x %08x\n",
data->deviceStatus, data->slotStatus,
data->linkStatus, data->devCmdStatus,
data->devSecStatus);
if (data->rootErrorStatus || data->uncorrErrorStatus ||
data->corrErrorStatus)
pr_info(" RootErrSts: %08x %08x %08x\n",
data->rootErrorStatus, data->uncorrErrorStatus,
data->corrErrorStatus);
if (data->tlpHdr1 || data->tlpHdr2 ||
data->tlpHdr3 || data->tlpHdr4)
pr_info(" RootErrLog: %08x %08x %08x %08x\n",
data->tlpHdr1, data->tlpHdr2,
data->tlpHdr3, data->tlpHdr4);
if (data->sourceId || data->errorClass ||
data->correlator)
pr_info(" RootErrLog1: %08x %016llx %016llx\n",
data->sourceId, data->errorClass,
data->correlator);
if (data->p7iocPlssr || data->p7iocCsr)
pr_info(" PhbSts: %016llx %016llx\n",
data->p7iocPlssr, data->p7iocCsr);
if (data->lemFir || data->lemErrorMask ||
data->lemWOF)
pr_info(" Lem: %016llx %016llx %016llx\n",
data->lemFir, data->lemErrorMask,
data->lemWOF);
if (data->phbErrorStatus || data->phbFirstErrorStatus ||
data->phbErrorLog0 || data->phbErrorLog1)
pr_info(" PhbErr: %016llx %016llx %016llx %016llx\n",
data->phbErrorStatus, data->phbFirstErrorStatus,
data->phbErrorLog0, data->phbErrorLog1);
if (data->mmioErrorStatus || data->mmioFirstErrorStatus ||
data->mmioErrorLog0 || data->mmioErrorLog1)
pr_info(" OutErr: %016llx %016llx %016llx %016llx\n",
data->mmioErrorStatus, data->mmioFirstErrorStatus,
data->mmioErrorLog0, data->mmioErrorLog1);
if (data->dma0ErrorStatus || data->dma0FirstErrorStatus ||
data->dma0ErrorLog0 || data->dma0ErrorLog1)
pr_info(" InAErr: %016llx %016llx %016llx %016llx\n",
data->dma0ErrorStatus, data->dma0FirstErrorStatus,
data->dma0ErrorLog0, data->dma0ErrorLog1);
if (data->dma1ErrorStatus || data->dma1FirstErrorStatus ||
data->dma1ErrorLog0 || data->dma1ErrorLog1)
pr_info(" InBErr: %016llx %016llx %016llx %016llx\n",
data->dma1ErrorStatus, data->dma1FirstErrorStatus,
data->dma1ErrorLog0, data->dma1ErrorLog1);
for (i = 0; i < OPAL_P7IOC_NUM_PEST_REGS; i++) {
if ((data->pestA[i] >> 63) == 0 &&
(data->pestB[i] >> 63) == 0)
continue;
pr_info(" PE[%3d] PESTA: %016llx\n", i, data->pestA[i]);
pr_info(" PESTB: %016llx\n", data->pestB[i]);
pr_info(" PE[%3d] A/B: %016llx %016llx\n",
i, data->pestA[i], data->pestB[i]);
}
}
@ -197,62 +212,77 @@ static void pnv_pci_dump_phb3_diag_data(struct pci_controller *hose,
data = (struct OpalIoPhb3ErrorData*)common;
pr_info("PHB3 PHB#%d Diag-data (Version: %d)\n\n",
hose->global_number, common->version);
pr_info(" brdgCtl: %08x\n", data->brdgCtl);
pr_info(" portStatusReg: %08x\n", data->portStatusReg);
pr_info(" rootCmplxStatus: %08x\n", data->rootCmplxStatus);
pr_info(" busAgentStatus: %08x\n", data->busAgentStatus);
pr_info(" deviceStatus: %08x\n", data->deviceStatus);
pr_info(" slotStatus: %08x\n", data->slotStatus);
pr_info(" linkStatus: %08x\n", data->linkStatus);
pr_info(" devCmdStatus: %08x\n", data->devCmdStatus);
pr_info(" devSecStatus: %08x\n", data->devSecStatus);
pr_info(" rootErrorStatus: %08x\n", data->rootErrorStatus);
pr_info(" uncorrErrorStatus: %08x\n", data->uncorrErrorStatus);
pr_info(" corrErrorStatus: %08x\n", data->corrErrorStatus);
pr_info(" tlpHdr1: %08x\n", data->tlpHdr1);
pr_info(" tlpHdr2: %08x\n", data->tlpHdr2);
pr_info(" tlpHdr3: %08x\n", data->tlpHdr3);
pr_info(" tlpHdr4: %08x\n", data->tlpHdr4);
pr_info(" sourceId: %08x\n", data->sourceId);
pr_info(" errorClass: %016llx\n", data->errorClass);
pr_info(" correlator: %016llx\n", data->correlator);
pr_info(" nFir: %016llx\n", data->nFir);
pr_info(" nFirMask: %016llx\n", data->nFirMask);
pr_info(" nFirWOF: %016llx\n", data->nFirWOF);
pr_info(" PhbPlssr: %016llx\n", data->phbPlssr);
pr_info(" PhbCsr: %016llx\n", data->phbCsr);
pr_info(" lemFir: %016llx\n", data->lemFir);
pr_info(" lemErrorMask: %016llx\n", data->lemErrorMask);
pr_info(" lemWOF: %016llx\n", data->lemWOF);
pr_info(" phbErrorStatus: %016llx\n", data->phbErrorStatus);
pr_info(" phbFirstErrorStatus: %016llx\n", data->phbFirstErrorStatus);
pr_info(" phbErrorLog0: %016llx\n", data->phbErrorLog0);
pr_info(" phbErrorLog1: %016llx\n", data->phbErrorLog1);
pr_info(" mmioErrorStatus: %016llx\n", data->mmioErrorStatus);
pr_info(" mmioFirstErrorStatus: %016llx\n", data->mmioFirstErrorStatus);
pr_info(" mmioErrorLog0: %016llx\n", data->mmioErrorLog0);
pr_info(" mmioErrorLog1: %016llx\n", data->mmioErrorLog1);
pr_info(" dma0ErrorStatus: %016llx\n", data->dma0ErrorStatus);
pr_info(" dma0FirstErrorStatus: %016llx\n", data->dma0FirstErrorStatus);
pr_info(" dma0ErrorLog0: %016llx\n", data->dma0ErrorLog0);
pr_info(" dma0ErrorLog1: %016llx\n", data->dma0ErrorLog1);
pr_info(" dma1ErrorStatus: %016llx\n", data->dma1ErrorStatus);
pr_info(" dma1FirstErrorStatus: %016llx\n", data->dma1FirstErrorStatus);
pr_info(" dma1ErrorLog0: %016llx\n", data->dma1ErrorLog0);
pr_info(" dma1ErrorLog1: %016llx\n", data->dma1ErrorLog1);
if (data->brdgCtl)
pr_info(" brdgCtl: %08x\n",
data->brdgCtl);
if (data->portStatusReg || data->rootCmplxStatus ||
data->busAgentStatus)
pr_info(" UtlSts: %08x %08x %08x\n",
data->portStatusReg, data->rootCmplxStatus,
data->busAgentStatus);
if (data->deviceStatus || data->slotStatus ||
data->linkStatus || data->devCmdStatus ||
data->devSecStatus)
pr_info(" RootSts: %08x %08x %08x %08x %08x\n",
data->deviceStatus, data->slotStatus,
data->linkStatus, data->devCmdStatus,
data->devSecStatus);
if (data->rootErrorStatus || data->uncorrErrorStatus ||
data->corrErrorStatus)
pr_info(" RootErrSts: %08x %08x %08x\n",
data->rootErrorStatus, data->uncorrErrorStatus,
data->corrErrorStatus);
if (data->tlpHdr1 || data->tlpHdr2 ||
data->tlpHdr3 || data->tlpHdr4)
pr_info(" RootErrLog: %08x %08x %08x %08x\n",
data->tlpHdr1, data->tlpHdr2,
data->tlpHdr3, data->tlpHdr4);
if (data->sourceId || data->errorClass ||
data->correlator)
pr_info(" RootErrLog1: %08x %016llx %016llx\n",
data->sourceId, data->errorClass,
data->correlator);
if (data->nFir || data->nFirMask ||
data->nFirWOF)
pr_info(" nFir: %016llx %016llx %016llx\n",
data->nFir, data->nFirMask,
data->nFirWOF);
if (data->phbPlssr || data->phbCsr)
pr_info(" PhbSts: %016llx %016llx\n",
data->phbPlssr, data->phbCsr);
if (data->lemFir || data->lemErrorMask ||
data->lemWOF)
pr_info(" Lem: %016llx %016llx %016llx\n",
data->lemFir, data->lemErrorMask,
data->lemWOF);
if (data->phbErrorStatus || data->phbFirstErrorStatus ||
data->phbErrorLog0 || data->phbErrorLog1)
pr_info(" PhbErr: %016llx %016llx %016llx %016llx\n",
data->phbErrorStatus, data->phbFirstErrorStatus,
data->phbErrorLog0, data->phbErrorLog1);
if (data->mmioErrorStatus || data->mmioFirstErrorStatus ||
data->mmioErrorLog0 || data->mmioErrorLog1)
pr_info(" OutErr: %016llx %016llx %016llx %016llx\n",
data->mmioErrorStatus, data->mmioFirstErrorStatus,
data->mmioErrorLog0, data->mmioErrorLog1);
if (data->dma0ErrorStatus || data->dma0FirstErrorStatus ||
data->dma0ErrorLog0 || data->dma0ErrorLog1)
pr_info(" InAErr: %016llx %016llx %016llx %016llx\n",
data->dma0ErrorStatus, data->dma0FirstErrorStatus,
data->dma0ErrorLog0, data->dma0ErrorLog1);
if (data->dma1ErrorStatus || data->dma1FirstErrorStatus ||
data->dma1ErrorLog0 || data->dma1ErrorLog1)
pr_info(" InBErr: %016llx %016llx %016llx %016llx\n",
data->dma1ErrorStatus, data->dma1FirstErrorStatus,
data->dma1ErrorLog0, data->dma1ErrorLog1);
for (i = 0; i < OPAL_PHB3_NUM_PEST_REGS; i++) {
if ((data->pestA[i] >> 63) == 0 &&
(data->pestB[i] >> 63) == 0)
continue;
pr_info(" PE[%3d] PESTA: %016llx\n", i, data->pestA[i]);
pr_info(" PESTB: %016llx\n", data->pestB[i]);
pr_info(" PE[%3d] A/B: %016llx %016llx\n",
i, data->pestA[i], data->pestB[i]);
}
}