crypto: qat - add handling of errors from ERRSOU2 for QAT GEN4

Add logic to detect, report and handle uncorrectable errors reported
through the ERRSOU2 register in QAT GEN4 devices.
Signed-off-by: Shashank Gupta <shashank.gupta@intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Tero Kristo <tero.kristo@linux.intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/intel/qat/qat_4xxx/adf_4xxx_hw_data.c

@@ -479,6 +479,11 @@ static u32 uof_get_ae_mask(struct adf_accel_dev *accel_dev, u32 obj_num)
 static void adf_gen4_set_err_mask(struct adf_dev_err_mask *dev_err_mask)
 {
 	dev_err_mask->cppagentcmdpar_mask = ADF_4XXX_HICPPAGENTCMDPARERRLOG_MASK;
+	dev_err_mask->parerr_ath_cph_mask = ADF_4XXX_PARITYERRORMASK_ATH_CPH_MASK;
+	dev_err_mask->parerr_cpr_xlt_mask = ADF_4XXX_PARITYERRORMASK_CPR_XLT_MASK;
+	dev_err_mask->parerr_dcpr_ucs_mask = ADF_4XXX_PARITYERRORMASK_DCPR_UCS_MASK;
+	dev_err_mask->parerr_pke_mask = ADF_4XXX_PARITYERRORMASK_PKE_MASK;
+	dev_err_mask->ssmfeatren_mask = ADF_4XXX_SSMFEATREN_MASK;
 }
 
 void adf_init_hw_data_4xxx(struct adf_hw_device_data *hw_data, u32 dev_id)

drivers/crypto/intel/qat/qat_4xxx/adf_4xxx_hw_data.h

@@ -29,6 +29,21 @@
 #define ADF_4XXX_ADMIN_AE_MASK		(0x100)
 
 #define ADF_4XXX_HICPPAGENTCMDPARERRLOG_MASK	0x1F
+#define ADF_4XXX_PARITYERRORMASK_ATH_CPH_MASK	0xF000F
+#define ADF_4XXX_PARITYERRORMASK_CPR_XLT_MASK	0x10001
+#define ADF_4XXX_PARITYERRORMASK_DCPR_UCS_MASK	0x30007
+#define ADF_4XXX_PARITYERRORMASK_PKE_MASK	0x3F
+
+/*
+ * SSMFEATREN bit mask
+ * BIT(4) - enables parity detection on CPP
+ * BIT(12) - enables the logging of push/pull data errors
+ *	     in pperr register
+ * BIT(16) - BIT(23) - enable parity detection on SPPs
+ */
+#define ADF_4XXX_SSMFEATREN_MASK \
+	(BIT(4) | BIT(12) | BIT(16) | BIT(17) | BIT(18) | \
+	 BIT(19) | BIT(20) | BIT(21) | BIT(22) | BIT(23))
 
 #define ADF_4XXX_ETR_MAX_BANKS		64
 

drivers/crypto/intel/qat/qat_common/adf_accel_devices.h

@@ -178,6 +178,12 @@ struct adf_dc_ops {
 
 struct adf_dev_err_mask {
 	u32 cppagentcmdpar_mask;
+	u32 parerr_ath_cph_mask;
+	u32 parerr_cpr_xlt_mask;
+	u32 parerr_dcpr_ucs_mask;
+	u32 parerr_pke_mask;
+	u32 parerr_wat_wcp_mask;
+	u32 ssmfeatren_mask;
 };
 
 struct adf_hw_device_data {