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chafsr.h
/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC64_CHAFSR_H #define _SPARC64_CHAFSR_H /* Cheetah Asynchronous Fault Status register, ASI=0x4C VA<63:0>=0x0 */ /* Comments indicate which processor variants on which the bit definition * is valid. Codes are: * ch --> cheetah * ch+ --> cheetah plus * jp --> jalapeno */ /* All bits of this register except M_SYNDROME and E_SYNDROME are * read, write 1 to clear. M_SYNDROME and E_SYNDROME are read-only. */ /* Software bit set by linux trap handlers to indicate that the trap was * signalled at %tl >= 1. */ #define CHAFSR_TL1 (1UL << 63UL) /* n/a */ /* Unmapped error from system bus for prefetch queue or * store queue read operation */ #define CHPAFSR_DTO (1UL << 59UL) /* ch+ */ /* Bus error from system bus for prefetch queue or store queue * read operation */ #define CHPAFSR_DBERR (1UL << 58UL) /* ch+ */ /* Hardware corrected E-cache Tag ECC error */ #define CHPAFSR_THCE (1UL << 57UL) /* ch+ */ /* System interface protocol error, hw timeout caused */ #define JPAFSR_JETO (1UL << 57UL) /* jp */ /* SW handled correctable E-cache Tag ECC error */ #define CHPAFSR_TSCE (1UL << 56UL) /* ch+ */ /* Parity error on system snoop results */ #define JPAFSR_SCE (1UL << 56UL) /* jp */ /* Uncorrectable E-cache Tag ECC error */ #define CHPAFSR_TUE (1UL << 55UL) /* ch+ */ /* System interface protocol error, illegal command detected */ #define JPAFSR_JEIC (1UL << 55UL) /* jp */ /* Uncorrectable system bus data ECC error due to prefetch * or store fill request */ #define CHPAFSR_DUE (1UL << 54UL) /* ch+ */ /* System interface protocol error, illegal ADTYPE detected */ #define JPAFSR_JEIT (1UL << 54UL) /* jp */ /* Multiple errors of the same type have occurred. This bit is set when * an uncorrectable error or a SW correctable error occurs and the status * bit to report that error is already set. When multiple errors of * different types are indicated by setting multiple status bits. * * This bit is not set if multiple HW corrected errors with the same * status bit occur, only uncorrectable and SW correctable ones have * this behavior. * * This bit is not set when multiple ECC errors happen within a single * 64-byte system bus transaction. Only the first ECC error in a 16-byte * subunit will be logged. All errors in subsequent 16-byte subunits * from the same 64-byte transaction are ignored. */ #define CHAFSR_ME (1UL << 53UL) /* ch,ch+,jp */ /* Privileged state error has occurred. This is a capture of PSTATE.PRIV * at the time the error is detected. */ #define CHAFSR_PRIV (1UL << 52UL) /* ch,ch+,jp */ /* The following bits 51 (CHAFSR_PERR) to 33 (CHAFSR_CE) are sticky error * bits and record the most recently detected errors. Bits accumulate * errors that have been detected since the last write to clear the bit. */ /* System interface protocol error. The processor asserts its' ERROR * pin when this event occurs and it also logs a specific cause code * into a JTAG scannable flop. */ #define CHAFSR_PERR (1UL << 51UL) /* ch,ch+,jp */ /* Internal processor error. The processor asserts its' ERROR * pin when this event occurs and it also logs a specific cause code * into a JTAG scannable flop. */ #define CHAFSR_IERR (1UL << 50UL) /* ch,ch+,jp */ /* System request parity error on incoming address */ #define CHAFSR_ISAP (1UL << 49UL) /* ch,ch+,jp */ /* HW Corrected system bus MTAG ECC error */ #define CHAFSR_EMC (1UL << 48UL) /* ch,ch+ */ /* Parity error on L2 cache tag SRAM */ #define JPAFSR_ETP (1UL << 48UL) /* jp */ /* Uncorrectable system bus MTAG ECC error */ #define CHAFSR_EMU (1UL << 47UL) /* ch,ch+ */ /* Out of range memory error has occurred */ #define JPAFSR_OM (1UL << 47UL) /* jp */ /* HW Corrected system bus data ECC error for read of interrupt vector */ #define CHAFSR_IVC (1UL << 46UL) /* ch,ch+ */ /* Error due to unsupported store */ #define JPAFSR_UMS (1UL << 46UL) /* jp */ /* Uncorrectable system bus data ECC error for read of interrupt vector */ #define CHAFSR_IVU (1UL << 45UL) /* ch,ch+,jp */ /* Unmapped error from system bus */ #define CHAFSR_TO (1UL << 44UL) /* ch,ch+,jp */ /* Bus error response from system bus */ #define CHAFSR_BERR (1UL << 43UL) /* ch,ch+,jp */ /* SW Correctable E-cache ECC error for instruction fetch or data access * other than block load. */ #define CHAFSR_UCC (1UL << 42UL) /* ch,ch+,jp */ /* Uncorrectable E-cache ECC error for instruction fetch or data access * other than block load. */ #define CHAFSR_UCU (1UL << 41UL) /* ch,ch+,jp */ /* Copyout HW Corrected ECC error */ #define CHAFSR_CPC (1UL << 40UL) /* ch,ch+,jp */ /* Copyout Uncorrectable ECC error */ #define CHAFSR_CPU (1UL << 39UL) /* ch,ch+,jp */ /* HW Corrected ECC error from E-cache for writeback */ #define CHAFSR_WDC (1UL << 38UL) /* ch,ch+,jp */ /* Uncorrectable ECC error from E-cache for writeback */ #define CHAFSR_WDU (1UL << 37UL) /* ch,ch+,jp */ /* HW Corrected ECC error from E-cache for store merge or block load */ #define CHAFSR_EDC (1UL << 36UL) /* ch,ch+,jp */ /* Uncorrectable ECC error from E-cache for store merge or block load */ #define CHAFSR_EDU (1UL << 35UL) /* ch,ch+,jp */ /* Uncorrectable system bus data ECC error for read of memory or I/O */ #define CHAFSR_UE (1UL << 34UL) /* ch,ch+,jp */ /* HW Corrected system bus data ECC error for read of memory or I/O */ #define CHAFSR_CE (1UL << 33UL) /* ch,ch+,jp */ /* Uncorrectable ECC error from remote cache/memory */ #define JPAFSR_RUE (1UL << 32UL) /* jp */ /* Correctable ECC error from remote cache/memory */ #define JPAFSR_RCE (1UL << 31UL) /* jp */ /* JBUS parity error on returned read data */ #define JPAFSR_BP (1UL << 30UL) /* jp */ /* JBUS parity error on data for writeback or block store */ #define JPAFSR_WBP (1UL << 29UL) /* jp */ /* Foreign read to DRAM incurring correctable ECC error */ #define JPAFSR_FRC (1UL << 28UL) /* jp */ /* Foreign read to DRAM incurring uncorrectable ECC error */ #define JPAFSR_FRU (1UL << 27UL) /* jp */ #define CHAFSR_ERRORS (CHAFSR_PERR | CHAFSR_IERR | CHAFSR_ISAP | CHAFSR_EMC | \ CHAFSR_EMU | CHAFSR_IVC | CHAFSR_IVU | CHAFSR_TO | \ CHAFSR_BERR | CHAFSR_UCC | CHAFSR_UCU | CHAFSR_CPC | \ CHAFSR_CPU | CHAFSR_WDC | CHAFSR_WDU | CHAFSR_EDC | \ CHAFSR_EDU | CHAFSR_UE | CHAFSR_CE) #define CHPAFSR_ERRORS (CHPAFSR_DTO | CHPAFSR_DBERR | CHPAFSR_THCE | \ CHPAFSR_TSCE | CHPAFSR_TUE | CHPAFSR_DUE | \ CHAFSR_PERR | CHAFSR_IERR | CHAFSR_ISAP | CHAFSR_EMC | \ CHAFSR_EMU | CHAFSR_IVC | CHAFSR_IVU | CHAFSR_TO | \ CHAFSR_BERR | CHAFSR_UCC | CHAFSR_UCU | CHAFSR_CPC | \ CHAFSR_CPU | CHAFSR_WDC | CHAFSR_WDU | CHAFSR_EDC | \ CHAFSR_EDU | CHAFSR_UE | CHAFSR_CE) #define JPAFSR_ERRORS (JPAFSR_JETO | JPAFSR_SCE | JPAFSR_JEIC | \ JPAFSR_JEIT | CHAFSR_PERR | CHAFSR_IERR | \ CHAFSR_ISAP | JPAFSR_ETP | JPAFSR_OM | \ JPAFSR_UMS | CHAFSR_IVU | CHAFSR_TO | \ CHAFSR_BERR | CHAFSR_UCC | CHAFSR_UCU | \ CHAFSR_CPC | CHAFSR_CPU | CHAFSR_WDC | \ CHAFSR_WDU | CHAFSR_EDC | CHAFSR_EDU | \ CHAFSR_UE | CHAFSR_CE | JPAFSR_RUE | \ JPAFSR_RCE | JPAFSR_BP | JPAFSR_WBP | \ JPAFSR_FRC | JPAFSR_FRU) /* Active JBUS request signal when error occurred */ #define JPAFSR_JBREQ (0x7UL << 24UL) /* jp */ #define JPAFSR_JBREQ_SHIFT 24UL /* L2 cache way information */ #define JPAFSR_ETW (0x3UL << 22UL) /* jp */ #define JPAFSR_ETW_SHIFT 22UL /* System bus MTAG ECC syndrome. This field captures the status of the * first occurrence of the highest-priority error according to the M_SYND * overwrite policy. After the AFSR sticky bit, corresponding to the error * for which the M_SYND is reported, is cleared, the contents of the M_SYND * field will be unchanged by will be unfrozen for further error capture. */ #define CHAFSR_M_SYNDROME (0xfUL << 16UL) /* ch,ch+,jp */ #define CHAFSR_M_SYNDROME_SHIFT 16UL /* Agenid Id of the foreign device causing the UE/CE errors */ #define JPAFSR_AID (0x1fUL << 9UL) /* jp */ #define JPAFSR_AID_SHIFT 9UL /* System bus or E-cache data ECC syndrome. This field captures the status * of the first occurrence of the highest-priority error according to the * E_SYND overwrite policy. After the AFSR sticky bit, corresponding to the * error for which the E_SYND is reported, is cleare, the contents of the E_SYND * field will be unchanged but will be unfrozen for further error capture. */ #define CHAFSR_E_SYNDROME (0x1ffUL << 0UL) /* ch,ch+,jp */ #define CHAFSR_E_SYNDROME_SHIFT 0UL /* The AFSR must be explicitly cleared by software, it is not cleared automatically * by a read. Writes to bits <51:33> with bits set will clear the corresponding * bits in the AFSR. Bits associated with disrupting traps must be cleared before * interrupts are re-enabled to prevent multiple traps for the same error. I.e. * PSTATE.IE and AFSR bits control delivery of disrupting traps. * * Since there is only one AFAR, when multiple events have been logged by the * bits in the AFSR, at most one of these events will have its status captured * in the AFAR. The highest priority of those event bits will get AFAR logging. * The AFAR will be unlocked and available to capture the address of another event * as soon as the one bit in AFSR that corresponds to the event logged in AFAR is * cleared. For example, if AFSR.CE is detected, then AFSR.UE (which overwrites * the AFAR), and AFSR.UE is cleared by not AFSR.CE, then the AFAR will be unlocked * and ready for another event, even though AFSR.CE is still set. The same rules * also apply to the M_SYNDROME and E_SYNDROME fields of the AFSR. */ #endif /* _SPARC64_CHAFSR_H */
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