1 files changed, 85 insertions, 0 deletions
diff --git a/drivers/crypto/qat/qat_common/qat_crypto.h b/drivers/crypto/qat/qat_common/qat_crypto.h
new file mode 100644
index 000000000..bb116357a
--- /dev/null
+++ b/drivers/crypto/qat/qat_common/qat_crypto.h
@@ -0,0 +1,85 @@
+/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */
+/* Copyright(c) 2014 - 2020 Intel Corporation */
+#ifndef _QAT_CRYPTO_INSTANCE_H_
+#define _QAT_CRYPTO_INSTANCE_H_
+
+#include <crypto/aes.h>
+#include <linux/list.h>
+#include <linux/slab.h>
+#include "adf_accel_devices.h"
+#include "icp_qat_fw_la.h"
+#include "qat_bl.h"
+
+struct qat_instance_backlog {
+	struct list_head list;
+	spinlock_t lock; /* protects backlog list */
+};
+
+struct qat_alg_req {
+	u32 *fw_req;
+	struct adf_etr_ring_data *tx_ring;
+	struct crypto_async_request *base;
+	struct list_head list;
+	struct qat_instance_backlog *backlog;
+};
+
+struct qat_crypto_instance {
+	struct adf_etr_ring_data *sym_tx;
+	struct adf_etr_ring_data *sym_rx;
+	struct adf_etr_ring_data *pke_tx;
+	struct adf_etr_ring_data *pke_rx;
+	struct adf_accel_dev *accel_dev;
+	struct list_head list;
+	unsigned long state;
+	int id;
+	atomic_t refctr;
+	struct qat_instance_backlog backlog;
+};
+
+struct qat_crypto_request;
+
+struct qat_crypto_request {
+	struct icp_qat_fw_la_bulk_req req;
+	union {
+		struct qat_alg_aead_ctx *aead_ctx;
+		struct qat_alg_skcipher_ctx *skcipher_ctx;
+	};
+	union {
+		struct aead_request *aead_req;
+		struct skcipher_request *skcipher_req;
+	};
+	struct qat_request_buffs buf;
+	void (*cb)(struct icp_qat_fw_la_resp *resp,
+		   struct qat_crypto_request *req);
+	union {
+		struct {
+			__be64 iv_hi;
+			__be64 iv_lo;
+		};
+		u8 iv[AES_BLOCK_SIZE];
+	};
+	bool encryption;
+	struct qat_alg_req alg_req;
+};
+
+static inline bool adf_hw_dev_has_crypto(struct adf_accel_dev *accel_dev)
+{
+	struct adf_hw_device_data *hw_device = accel_dev->hw_device;
+	u32 mask = ~hw_device->accel_capabilities_mask;
+
+	if (mask & ADF_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC)
+		return false;
+	if (mask & ADF_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC)
+		return false;
+	if (mask & ADF_ACCEL_CAPABILITIES_AUTHENTICATION)
+		return false;
+
+	return true;
+}
+
+static inline gfp_t qat_algs_alloc_flags(struct crypto_async_request *req)
+{
+	return req->flags & CRYPTO_TFM_REQ_MAY_SLEEP ? GFP_KERNEL : GFP_ATOMIC;
+}
+
+#endif