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73 lines
1.6 KiB
73 lines
1.6 KiB
/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */ |
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/* Copyright(c) 2014 - 2020 Intel Corporation */ |
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#ifndef _QAT_CRYPTO_INSTANCE_H_ |
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#define _QAT_CRYPTO_INSTANCE_H_ |
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#include <crypto/aes.h> |
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#include <linux/list.h> |
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#include <linux/slab.h> |
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#include "adf_accel_devices.h" |
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#include "icp_qat_fw_la.h" |
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struct qat_crypto_instance { |
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struct adf_etr_ring_data *sym_tx; |
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struct adf_etr_ring_data *sym_rx; |
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struct adf_etr_ring_data *pke_tx; |
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struct adf_etr_ring_data *pke_rx; |
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struct adf_accel_dev *accel_dev; |
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struct list_head list; |
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unsigned long state; |
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int id; |
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atomic_t refctr; |
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}; |
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struct qat_crypto_request_buffs { |
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struct qat_alg_buf_list *bl; |
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dma_addr_t blp; |
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struct qat_alg_buf_list *blout; |
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dma_addr_t bloutp; |
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size_t sz; |
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size_t sz_out; |
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}; |
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struct qat_crypto_request; |
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struct qat_crypto_request { |
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struct icp_qat_fw_la_bulk_req req; |
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union { |
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struct qat_alg_aead_ctx *aead_ctx; |
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struct qat_alg_skcipher_ctx *skcipher_ctx; |
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}; |
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union { |
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struct aead_request *aead_req; |
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struct skcipher_request *skcipher_req; |
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}; |
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struct qat_crypto_request_buffs buf; |
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void (*cb)(struct icp_qat_fw_la_resp *resp, |
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struct qat_crypto_request *req); |
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union { |
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struct { |
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__be64 iv_hi; |
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__be64 iv_lo; |
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}; |
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u8 iv[AES_BLOCK_SIZE]; |
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}; |
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bool encryption; |
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}; |
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static inline bool adf_hw_dev_has_crypto(struct adf_accel_dev *accel_dev) |
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{ |
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struct adf_hw_device_data *hw_device = accel_dev->hw_device; |
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u32 mask = ~hw_device->accel_capabilities_mask; |
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if (mask & ADF_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC) |
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return false; |
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if (mask & ADF_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC) |
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return false; |
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if (mask & ADF_ACCEL_CAPABILITIES_AUTHENTICATION) |
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return false; |
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return true; |
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} |
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#endif
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