From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/crypto/qat/qat_common/qat_crypto.h | 85 ++++++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 drivers/crypto/qat/qat_common/qat_crypto.h (limited to 'drivers/crypto/qat/qat_common/qat_crypto.h') 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 +#include +#include +#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 -- cgit v1.2.3