diff options
Diffstat (limited to 'drivers/crypto/intel/qat/qat_common/adf_gen4_ras.c')
| -rw-r--r-- | drivers/crypto/intel/qat/qat_common/adf_gen4_ras.c | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/drivers/crypto/intel/qat/qat_common/adf_gen4_ras.c b/drivers/crypto/intel/qat/qat_common/adf_gen4_ras.c index 285b755e13be..8ba9c9bdb89b 100644 --- a/drivers/crypto/intel/qat/qat_common/adf_gen4_ras.c +++ b/drivers/crypto/intel/qat/qat_common/adf_gen4_ras.c @@ -19,6 +19,14 @@ static void enable_errsou_reporting(void __iomem *csr) ADF_CSR_WR(csr, ADF_GEN4_ERRMSK2, ADF_GEN4_ERRSOU2_PM_INT_BIT | ADF_GEN4_ERRSOU2_CPP_CFC_ATT_INT_BITMASK); + + /* + * Enable uncorrectable error reporting in ERRSOU3 + * but disable RLT error interrupt and VFLR notify interrupt by default + */ + ADF_CSR_WR(csr, ADF_GEN4_ERRMSK3, + ADF_GEN4_ERRSOU3_RLTERROR_BIT | + ADF_GEN4_ERRSOU3_VFLRNOTIFY_BIT); } static void disable_errsou_reporting(void __iomem *csr) @@ -35,6 +43,9 @@ static void disable_errsou_reporting(void __iomem *csr) val = ADF_CSR_RD(csr, ADF_GEN4_ERRMSK2); val |= ADF_GEN4_ERRSOU2_DIS_BITMASK; ADF_CSR_WR(csr, ADF_GEN4_ERRMSK2, val); + + /* Disable uncorrectable error reporting in ERRSOU3 */ + ADF_CSR_WR(csr, ADF_GEN4_ERRMSK3, ADF_GEN4_ERRSOU3_BITMASK); } static void enable_ae_error_reporting(struct adf_accel_dev *accel_dev, @@ -82,6 +93,8 @@ static void disable_cpp_error_reporting(void __iomem *csr) static void enable_ti_ri_error_reporting(void __iomem *csr) { + u32 reg; + /* Enable RI Memory error reporting */ ADF_CSR_WR(csr, ADF_GEN4_RI_MEM_PAR_ERR_EN0, ADF_GEN4_RIMEM_PARERR_STS_FATAL_BITMASK | @@ -96,10 +109,26 @@ static void enable_ti_ri_error_reporting(void __iomem *csr) ADF_CSR_WR(csr, ADF_GEN4_TI_PUSHFUB_PAR_ERR_MASK, 0); ADF_CSR_WR(csr, ADF_GEN4_TI_CD_PAR_ERR_MASK, 0); ADF_CSR_WR(csr, ADF_GEN4_TI_TRNSB_PAR_ERR_MASK, 0); + + /* Enable error handling in RI, TI CPP interface control registers */ + ADF_CSR_WR(csr, ADF_GEN4_RICPPINTCTL, ADF_GEN4_RICPPINTCTL_BITMASK); + + ADF_CSR_WR(csr, ADF_GEN4_TICPPINTCTL, ADF_GEN4_TICPPINTCTL_BITMASK); + + /* + * Enable error detection and reporting in TIMISCSTS + * with bits 1, 2 and 30 value preserved + */ + reg = ADF_CSR_RD(csr, ADF_GEN4_TIMISCCTL); + reg &= ADF_GEN4_TIMSCCTL_RELAY_BITMASK; + reg |= ADF_GEN4_TIMISCCTL_BIT; + ADF_CSR_WR(csr, ADF_GEN4_TIMISCCTL, reg); } static void disable_ti_ri_error_reporting(void __iomem *csr) { + u32 reg; + /* Disable RI Memory error reporting */ ADF_CSR_WR(csr, ADF_GEN4_RI_MEM_PAR_ERR_EN0, 0); @@ -117,6 +146,19 @@ static void disable_ti_ri_error_reporting(void __iomem *csr) ADF_GEN4_TI_CD_PAR_STS_BITMASK); ADF_CSR_WR(csr, ADF_GEN4_TI_TRNSB_PAR_ERR_MASK, ADF_GEN4_TI_TRNSB_PAR_STS_BITMASK); + + /* Disable error handling in RI, TI CPP interface control registers */ + ADF_CSR_WR(csr, ADF_GEN4_RICPPINTCTL, 0); + + ADF_CSR_WR(csr, ADF_GEN4_TICPPINTCTL, 0); + + /* + * Disable error detection and reporting in TIMISCSTS + * with bits 1, 2 and 30 value preserved + */ + reg = ADF_CSR_RD(csr, ADF_GEN4_TIMISCCTL); + reg &= ADF_GEN4_TIMSCCTL_RELAY_BITMASK; + ADF_CSR_WR(csr, ADF_GEN4_TIMISCCTL, reg); } static void enable_rf_error_reporting(struct adf_accel_dev *accel_dev, @@ -251,8 +293,32 @@ static void disable_ssm_error_reporting(struct adf_accel_dev *accel_dev, err_mask->parerr_wat_wcp_mask); } +static void enable_aram_error_reporting(void __iomem *csr) +{ + ADF_CSR_WR(csr, ADF_GEN4_REG_ARAMCERRUERR_EN, + ADF_GEN4_REG_ARAMCERRUERR_EN_BITMASK); + + ADF_CSR_WR(csr, ADF_GEN4_REG_ARAMCERR, + ADF_GEN4_REG_ARAMCERR_EN_BITMASK); + + ADF_CSR_WR(csr, ADF_GEN4_REG_ARAMUERR, + ADF_GEN4_REG_ARAMUERR_EN_BITMASK); + + ADF_CSR_WR(csr, ADF_GEN4_REG_CPPMEMTGTERR, + ADF_GEN4_REG_CPPMEMTGTERR_EN_BITMASK); +} + +static void disable_aram_error_reporting(void __iomem *csr) +{ + ADF_CSR_WR(csr, ADF_GEN4_REG_ARAMCERRUERR_EN, 0); + ADF_CSR_WR(csr, ADF_GEN4_REG_ARAMCERR, 0); + ADF_CSR_WR(csr, ADF_GEN4_REG_ARAMUERR, 0); + ADF_CSR_WR(csr, ADF_GEN4_REG_CPPMEMTGTERR, 0); +} + static void adf_gen4_enable_ras(struct adf_accel_dev *accel_dev) { + void __iomem *aram_csr = adf_get_aram_base(accel_dev); void __iomem *csr = adf_get_pmisc_base(accel_dev); enable_errsou_reporting(csr); @@ -261,10 +327,12 @@ static void adf_gen4_enable_ras(struct adf_accel_dev *accel_dev) enable_ti_ri_error_reporting(csr); enable_rf_error_reporting(accel_dev, csr); enable_ssm_error_reporting(accel_dev, csr); + enable_aram_error_reporting(aram_csr); } static void adf_gen4_disable_ras(struct adf_accel_dev *accel_dev) { + void __iomem *aram_csr = adf_get_aram_base(accel_dev); void __iomem *csr = adf_get_pmisc_base(accel_dev); disable_errsou_reporting(csr); @@ -273,6 +341,7 @@ static void adf_gen4_disable_ras(struct adf_accel_dev *accel_dev) disable_ti_ri_error_reporting(csr); disable_rf_error_reporting(accel_dev, csr); disable_ssm_error_reporting(accel_dev, csr); + disable_aram_error_reporting(aram_csr); } static void adf_gen4_process_errsou0(struct adf_accel_dev *accel_dev, @@ -1122,9 +1191,190 @@ static void adf_gen4_process_errsou2(struct adf_accel_dev *accel_dev, *reset_required |= adf_handle_cpp_cfc_err(accel_dev, csr, errsou); } +static bool adf_handle_timiscsts(struct adf_accel_dev *accel_dev, + void __iomem *csr, u32 errsou) +{ + u32 timiscsts; + + if (!(errsou & ADF_GEN4_ERRSOU3_TIMISCSTS_BIT)) + return false; + + timiscsts = ADF_CSR_RD(csr, ADF_GEN4_TIMISCSTS); + + dev_err(&GET_DEV(accel_dev), + "Fatal error in Transmit Interface: 0x%x\n", timiscsts); + + return true; +} + +static bool adf_handle_ricppintsts(struct adf_accel_dev *accel_dev, + void __iomem *csr, u32 errsou) +{ + u32 ricppintsts; + + if (!(errsou & ADF_GEN4_ERRSOU3_RICPPINTSTS_BITMASK)) + return false; + + ricppintsts = ADF_CSR_RD(csr, ADF_GEN4_RICPPINTSTS); + ricppintsts &= ADF_GEN4_RICPPINTSTS_BITMASK; + + dev_err(&GET_DEV(accel_dev), + "RI CPP Uncorrectable Error: 0x%x\n", ricppintsts); + + ADF_CSR_WR(csr, ADF_GEN4_RICPPINTSTS, ricppintsts); + + return false; +} + +static bool adf_handle_ticppintsts(struct adf_accel_dev *accel_dev, + void __iomem *csr, u32 errsou) +{ + u32 ticppintsts; + + if (!(errsou & ADF_GEN4_ERRSOU3_TICPPINTSTS_BITMASK)) + return false; + + ticppintsts = ADF_CSR_RD(csr, ADF_GEN4_TICPPINTSTS); + ticppintsts &= ADF_GEN4_TICPPINTSTS_BITMASK; + + dev_err(&GET_DEV(accel_dev), + "TI CPP Uncorrectable Error: 0x%x\n", ticppintsts); + + ADF_CSR_WR(csr, ADF_GEN4_TICPPINTSTS, ticppintsts); + + return false; +} + +static bool adf_handle_aramcerr(struct adf_accel_dev *accel_dev, + void __iomem *csr, u32 errsou) +{ + u32 aram_cerr; + + if (!(errsou & ADF_GEN4_ERRSOU3_REG_ARAMCERR_BIT)) + return false; + + aram_cerr = ADF_CSR_RD(csr, ADF_GEN4_REG_ARAMCERR); + aram_cerr &= ADF_GEN4_REG_ARAMCERR_BIT; + + dev_warn(&GET_DEV(accel_dev), + "ARAM correctable error : 0x%x\n", aram_cerr); + + aram_cerr |= ADF_GEN4_REG_ARAMCERR_EN_BITMASK; + + ADF_CSR_WR(csr, ADF_GEN4_REG_ARAMCERR, aram_cerr); + + return false; +} + +static bool adf_handle_aramuerr(struct adf_accel_dev *accel_dev, + void __iomem *csr, u32 errsou) +{ + bool reset_required = false; + u32 aramuerr; + + if (!(errsou & ADF_GEN4_ERRSOU3_REG_ARAMUERR_BIT)) + return false; + + aramuerr = ADF_CSR_RD(csr, ADF_GEN4_REG_ARAMUERR); + aramuerr &= ADF_GEN4_REG_ARAMUERR_ERROR_BIT | + ADF_GEN4_REG_ARAMUERR_MULTI_ERRORS_BIT; + + if (!aramuerr) + return false; + + if (aramuerr & ADF_GEN4_REG_ARAMUERR_MULTI_ERRORS_BIT) { + dev_err(&GET_DEV(accel_dev), + "ARAM multiple uncorrectable errors: 0x%x\n", aramuerr); + + reset_required = true; + } else { + dev_err(&GET_DEV(accel_dev), + "ARAM uncorrectable error: 0x%x\n", aramuerr); + } + + aramuerr |= ADF_GEN4_REG_ARAMUERR_EN_BITMASK; + + ADF_CSR_WR(csr, ADF_GEN4_REG_ARAMUERR, aramuerr); + + return reset_required; +} + +static bool adf_handle_reg_cppmemtgterr(struct adf_accel_dev *accel_dev, + void __iomem *csr, u32 errsou) +{ + bool reset_required = false; + u32 cppmemtgterr; + + if (!(errsou & ADF_GEN4_ERRSOU3_REG_ARAMUERR_BIT)) + return false; + + cppmemtgterr = ADF_CSR_RD(csr, ADF_GEN4_REG_CPPMEMTGTERR); + cppmemtgterr &= ADF_GEN4_REG_CPPMEMTGTERR_BITMASK | + ADF_GEN4_REG_CPPMEMTGTERR_MULTI_ERRORS_BIT; + if (!cppmemtgterr) + return false; + + if (cppmemtgterr & ADF_GEN4_REG_CPPMEMTGTERR_MULTI_ERRORS_BIT) { + dev_err(&GET_DEV(accel_dev), + "Misc memory target multiple uncorrectable errors: 0x%x\n", + cppmemtgterr); + + reset_required = true; + } else { + dev_err(&GET_DEV(accel_dev), + "Misc memory target uncorrectable error: 0x%x\n", cppmemtgterr); + } + + cppmemtgterr |= ADF_GEN4_REG_CPPMEMTGTERR_EN_BITMASK; + + ADF_CSR_WR(csr, ADF_GEN4_REG_CPPMEMTGTERR, cppmemtgterr); + + return reset_required; +} + +static bool adf_handle_atufaultstatus(struct adf_accel_dev *accel_dev, + void __iomem *csr, u32 errsou) +{ + u32 i; + u32 max_rp_num = GET_HW_DATA(accel_dev)->num_banks; + + if (!(errsou & ADF_GEN4_ERRSOU3_ATUFAULTSTATUS_BIT)) + return false; + + for (i = 0; i < max_rp_num; i++) { + u32 atufaultstatus = ADF_CSR_RD(csr, ADF_GEN4_ATUFAULTSTATUS(i)); + + atufaultstatus &= ADF_GEN4_ATUFAULTSTATUS_BIT; + + if (atufaultstatus) { + dev_err(&GET_DEV(accel_dev), + "Ring Pair (%u) ATU detected fault: 0x%x\n", i, + atufaultstatus); + + ADF_CSR_WR(csr, ADF_GEN4_ATUFAULTSTATUS(i), atufaultstatus); + } + } + + return false; +} + +static void adf_gen4_process_errsou3(struct adf_accel_dev *accel_dev, + void __iomem *csr, void __iomem *aram_csr, + u32 errsou, bool *reset_required) +{ + *reset_required |= adf_handle_timiscsts(accel_dev, csr, errsou); + *reset_required |= adf_handle_ricppintsts(accel_dev, csr, errsou); + *reset_required |= adf_handle_ticppintsts(accel_dev, csr, errsou); + *reset_required |= adf_handle_aramcerr(accel_dev, aram_csr, errsou); + *reset_required |= adf_handle_aramuerr(accel_dev, aram_csr, errsou); + *reset_required |= adf_handle_reg_cppmemtgterr(accel_dev, aram_csr, errsou); + *reset_required |= adf_handle_atufaultstatus(accel_dev, csr, errsou); +} + static bool adf_gen4_handle_interrupt(struct adf_accel_dev *accel_dev, bool *reset_required) { + void __iomem *aram_csr = adf_get_aram_base(accel_dev); void __iomem *csr = adf_get_pmisc_base(accel_dev); u32 errsou = ADF_CSR_RD(csr, ADF_GEN4_ERRSOU0); bool handled = false; @@ -1148,6 +1398,12 @@ static bool adf_gen4_handle_interrupt(struct adf_accel_dev *accel_dev, handled = true; } + errsou = ADF_CSR_RD(csr, ADF_GEN4_ERRSOU3); + if (errsou & ADF_GEN4_ERRSOU3_BITMASK) { + adf_gen4_process_errsou3(accel_dev, csr, aram_csr, errsou, reset_required); + handled = true; + } + return handled; } |