6 files changed, 69 insertions, 0 deletions

diff --git a/drivers/crypto/intel/qat/qat_common/Makefile b/drivers/crypto/intel/qat/qat_common/Makefile
index 204c7d0aa31e..151fd3c01f62 100644
--- a/drivers/crypto/intel/qat/qat_common/Makefile
+++ b/drivers/crypto/intel/qat/qat_common/Makefile
@@ -18,6 +18,7 @@ intel_qat-objs := adf_cfg.o \
 	adf_gen4_pm.o \
 	adf_gen2_dc.o \
 	adf_gen4_dc.o \
+	adf_gen4_ras.o \
 	adf_gen4_timer.o \
 	adf_clock.o \
 	qat_crypto.o \
diff --git a/drivers/crypto/intel/qat/qat_common/adf_accel_devices.h b/drivers/crypto/intel/qat/qat_common/adf_accel_devices.h
index 9677c8e0f180..a62419479184 100644
--- a/drivers/crypto/intel/qat/qat_common/adf_accel_devices.h
+++ b/drivers/crypto/intel/qat/qat_common/adf_accel_devices.h
@@ -152,6 +152,13 @@ struct adf_accel_dev;
 struct adf_etr_data;
 struct adf_etr_ring_data;
 
+struct adf_ras_ops {
+	void (*enable_ras_errors)(struct adf_accel_dev *accel_dev);
+	void (*disable_ras_errors)(struct adf_accel_dev *accel_dev);
+	bool (*handle_interrupt)(struct adf_accel_dev *accel_dev,
+				 bool *reset_required);
+};
+
 struct adf_pfvf_ops {
 	int (*enable_comms)(struct adf_accel_dev *accel_dev);
 	u32 (*get_pf2vf_offset)(u32 i);
@@ -214,6 +221,7 @@ struct adf_hw_device_data {
 	struct adf_pfvf_ops pfvf_ops;
 	struct adf_hw_csr_ops csr_ops;
 	struct adf_dc_ops dc_ops;
+	struct adf_ras_ops ras_ops;
 	const char *fw_name;
 	const char *fw_mmp_name;
 	u32 fuses;
diff --git a/drivers/crypto/intel/qat/qat_common/adf_gen4_ras.c b/drivers/crypto/intel/qat/qat_common/adf_gen4_ras.c
new file mode 100644
index 000000000000..0bf243a51527
--- /dev/null
+++ b/drivers/crypto/intel/qat/qat_common/adf_gen4_ras.c
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright(c) 2023 Intel Corporation */
+#include "adf_common_drv.h"
+#include "adf_gen4_ras.h"
+
+static void adf_gen4_enable_ras(struct adf_accel_dev *accel_dev)
+{
+}
+
+static void adf_gen4_disable_ras(struct adf_accel_dev *accel_dev)
+{
+}
+
+static bool adf_gen4_handle_interrupt(struct adf_accel_dev *accel_dev,
+				      bool *reset_required)
+{
+	return false;
+}
+
+void adf_gen4_init_ras_ops(struct adf_ras_ops *ras_ops)
+{
+	ras_ops->enable_ras_errors = adf_gen4_enable_ras;
+	ras_ops->disable_ras_errors = adf_gen4_disable_ras;
+	ras_ops->handle_interrupt = adf_gen4_handle_interrupt;
+}
+EXPORT_SYMBOL_GPL(adf_gen4_init_ras_ops);
diff --git a/drivers/crypto/intel/qat/qat_common/adf_gen4_ras.h b/drivers/crypto/intel/qat/qat_common/adf_gen4_ras.h
new file mode 100644
index 000000000000..2765d3529c0d
--- /dev/null
+++ b/drivers/crypto/intel/qat/qat_common/adf_gen4_ras.h
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright(c) 2023 Intel Corporation */
+#ifndef ADF_GEN4_RAS_H_
+#define ADF_GEN4_RAS_H_
+
+struct adf_ras_ops;
+
+void adf_gen4_init_ras_ops(struct adf_ras_ops *ras_ops);
+
+#endif /* ADF_GEN4_RAS_H_ */
diff --git a/drivers/crypto/intel/qat/qat_common/adf_init.c b/drivers/crypto/intel/qat/qat_common/adf_init.c
index bccd6bf8cf63..b3cf0720cf9a 100644
--- a/drivers/crypto/intel/qat/qat_common/adf_init.c
+++ b/drivers/crypto/intel/qat/qat_common/adf_init.c
@@ -116,6 +116,9 @@ static int adf_dev_init(struct adf_accel_dev *accel_dev)
 	}
 	set_bit(ADF_STATUS_IRQ_ALLOCATED, &accel_dev->status);
 
+	if (hw_data->ras_ops.enable_ras_errors)
+		hw_data->ras_ops.enable_ras_errors(accel_dev);
+
 	hw_data->enable_ints(accel_dev);
 	hw_data->enable_error_correction(accel_dev);
 
@@ -350,6 +353,9 @@ static void adf_dev_shutdown(struct adf_accel_dev *accel_dev)
 			clear_bit(accel_dev->accel_id, service->init_status);
 	}
 
+	if (hw_data->ras_ops.disable_ras_errors)
+		hw_data->ras_ops.disable_ras_errors(accel_dev);
+
 	adf_heartbeat_shutdown(accel_dev);
 
 	hw_data->disable_iov(accel_dev);
diff --git a/drivers/crypto/intel/qat/qat_common/adf_isr.c b/drivers/crypto/intel/qat/qat_common/adf_isr.c
index 2aba194a7c29..3557a0d6dea2 100644
--- a/drivers/crypto/intel/qat/qat_common/adf_isr.c
+++ b/drivers/crypto/intel/qat/qat_common/adf_isr.c
@@ -132,6 +132,21 @@ static bool adf_handle_pm_int(struct adf_accel_dev *accel_dev)
 	return false;
 }
 
+static bool adf_handle_ras_int(struct adf_accel_dev *accel_dev)
+{
+	struct adf_ras_ops *ras_ops = &accel_dev->hw_device->ras_ops;
+	bool reset_required;
+
+	if (ras_ops->handle_interrupt &&
+	    ras_ops->handle_interrupt(accel_dev, &reset_required)) {
+		if (reset_required)
+			dev_err(&GET_DEV(accel_dev), "Fatal error, reset required\n");
+		return true;
+	}
+
+	return false;
+}
+
 static irqreturn_t adf_msix_isr_ae(int irq, void *dev_ptr)
 {
 	struct adf_accel_dev *accel_dev = dev_ptr;
@@ -145,6 +160,9 @@ static irqreturn_t adf_msix_isr_ae(int irq, void *dev_ptr)
 	if (adf_handle_pm_int(accel_dev))
 		return IRQ_HANDLED;
 
+	if (adf_handle_ras_int(accel_dev))
+		return IRQ_HANDLED;
+
 	dev_dbg(&GET_DEV(accel_dev), "qat_dev%d spurious AE interrupt\n",
 		accel_dev->accel_id);