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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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75
arch/powerpc/include/asm/opal-api.h
View file

@ -667,12 +667,14 @@ enum {
enum {
OPAL_PHB_ERROR_DATA_TYPE_P7IOC = 1,
OPAL_PHB_ERROR_DATA_TYPE_PHB3 = 2
OPAL_PHB_ERROR_DATA_TYPE_PHB3 = 2,
OPAL_PHB_ERROR_DATA_TYPE_PHB4 = 3
};
enum {
OPAL_P7IOC_NUM_PEST_REGS = 128,
OPAL_PHB3_NUM_PEST_REGS = 256
OPAL_PHB3_NUM_PEST_REGS = 256,
OPAL_PHB4_NUM_PEST_REGS = 512
};
struct OpalIoPhbErrorCommon {
@ -802,6 +804,75 @@ struct OpalIoPhb3ErrorData {
__be64 pestB[OPAL_PHB3_NUM_PEST_REGS];
};
struct OpalIoPhb4ErrorData {
struct OpalIoPhbErrorCommon common;
__be32 brdgCtl;
/* PHB4 cfg regs */
__be32 deviceStatus;
__be32 slotStatus;
__be32 linkStatus;
__be32 devCmdStatus;
__be32 devSecStatus;
/* cfg AER regs */
__be32 rootErrorStatus;
__be32 uncorrErrorStatus;
__be32 corrErrorStatus;
__be32 tlpHdr1;
__be32 tlpHdr2;
__be32 tlpHdr3;
__be32 tlpHdr4;
__be32 sourceId;
/* PHB4 ETU Error Regs */
__be64 nFir; /* 000 */
__be64 nFirMask; /* 003 */
__be64 nFirWOF; /* 008 */
__be64 phbPlssr; /* 120 */
__be64 phbCsr; /* 110 */
__be64 lemFir; /* C00 */
__be64 lemErrorMask; /* C18 */
__be64 lemWOF; /* C40 */
__be64 phbErrorStatus; /* C80 */
__be64 phbFirstErrorStatus; /* C88 */
__be64 phbErrorLog0; /* CC0 */
__be64 phbErrorLog1; /* CC8 */
__be64 phbTxeErrorStatus; /* D00 */
__be64 phbTxeFirstErrorStatus; /* D08 */
__be64 phbTxeErrorLog0; /* D40 */
__be64 phbTxeErrorLog1; /* D48 */
__be64 phbRxeArbErrorStatus; /* D80 */
__be64 phbRxeArbFirstErrorStatus; /* D88 */
__be64 phbRxeArbErrorLog0; /* DC0 */
__be64 phbRxeArbErrorLog1; /* DC8 */
__be64 phbRxeMrgErrorStatus; /* E00 */
__be64 phbRxeMrgFirstErrorStatus; /* E08 */
__be64 phbRxeMrgErrorLog0; /* E40 */
__be64 phbRxeMrgErrorLog1; /* E48 */
__be64 phbRxeTceErrorStatus; /* E80 */
__be64 phbRxeTceFirstErrorStatus; /* E88 */
__be64 phbRxeTceErrorLog0; /* EC0 */
__be64 phbRxeTceErrorLog1; /* EC8 */
/* PHB4 REGB Error Regs */
__be64 phbPblErrorStatus; /* 1900 */
__be64 phbPblFirstErrorStatus; /* 1908 */
__be64 phbPblErrorLog0; /* 1940 */
__be64 phbPblErrorLog1; /* 1948 */
__be64 phbPcieDlpErrorLog1; /* 1AA0 */
__be64 phbPcieDlpErrorLog2; /* 1AA8 */
__be64 phbPcieDlpErrorStatus; /* 1AB0 */
__be64 phbRegbErrorStatus; /* 1C00 */
__be64 phbRegbFirstErrorStatus; /* 1C08 */
__be64 phbRegbErrorLog0; /* 1C40 */
__be64 phbRegbErrorLog1; /* 1C48 */
__be64 pestA[OPAL_PHB4_NUM_PEST_REGS];
__be64 pestB[OPAL_PHB4_NUM_PEST_REGS];
};
enum {
OPAL_REINIT_CPUS_HILE_BE = (1 << 0),
OPAL_REINIT_CPUS_HILE_LE = (1 << 1),