| 1 | /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */ |
|---|---|
| 2 | /* Copyright(c) 2014 - 2020 Intel Corporation */ |
| 3 | #ifndef _QAT_CRYPTO_INSTANCE_H_ |
| 4 | #define _QAT_CRYPTO_INSTANCE_H_ |
| 5 | |
| 6 | #include <crypto/aes.h> |
| 7 | #include <linux/list.h> |
| 8 | #include <linux/slab.h> |
| 9 | #include "adf_accel_devices.h" |
| 10 | #include "icp_qat_fw_la.h" |
| 11 | #include "qat_algs_send.h" |
| 12 | #include "qat_bl.h" |
| 13 | |
| 14 | struct qat_crypto_instance { |
| 15 | struct adf_etr_ring_data *sym_tx; |
| 16 | struct adf_etr_ring_data *sym_rx; |
| 17 | struct adf_etr_ring_data *pke_tx; |
| 18 | struct adf_etr_ring_data *pke_rx; |
| 19 | struct adf_accel_dev *accel_dev; |
| 20 | struct list_head list; |
| 21 | unsigned long state; |
| 22 | int id; |
| 23 | atomic_t refctr; |
| 24 | struct qat_instance_backlog backlog; |
| 25 | }; |
| 26 | |
| 27 | struct qat_crypto_request; |
| 28 | |
| 29 | struct qat_crypto_request { |
| 30 | struct icp_qat_fw_la_bulk_req req; |
| 31 | union { |
| 32 | struct qat_alg_aead_ctx *aead_ctx; |
| 33 | struct qat_alg_skcipher_ctx *skcipher_ctx; |
| 34 | }; |
| 35 | union { |
| 36 | struct aead_request *aead_req; |
| 37 | struct skcipher_request *skcipher_req; |
| 38 | }; |
| 39 | struct qat_request_buffs buf; |
| 40 | void (*cb)(struct icp_qat_fw_la_resp *resp, |
| 41 | struct qat_crypto_request *req); |
| 42 | union { |
| 43 | struct { |
| 44 | __be64 iv_hi; |
| 45 | __be64 iv_lo; |
| 46 | }; |
| 47 | u8 iv[AES_BLOCK_SIZE]; |
| 48 | }; |
| 49 | bool encryption; |
| 50 | struct qat_alg_req alg_req; |
| 51 | }; |
| 52 | |
| 53 | static inline bool adf_hw_dev_has_crypto(struct adf_accel_dev *accel_dev) |
| 54 | { |
| 55 | struct adf_hw_device_data *hw_device = accel_dev->hw_device; |
| 56 | u32 mask = ~hw_device->accel_capabilities_mask; |
| 57 | |
| 58 | if (mask & ADF_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC) |
| 59 | return false; |
| 60 | if (mask & ADF_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC) |
| 61 | return false; |
| 62 | if (mask & ADF_ACCEL_CAPABILITIES_AUTHENTICATION) |
| 63 | return false; |
| 64 | |
| 65 | return true; |
| 66 | } |
| 67 | |
| 68 | #endif |
| 69 |