diff options
Diffstat (limited to 'drivers/crypto/qat/qat_common/qat_crypto.h')
-rw-r--r-- | drivers/crypto/qat/qat_common/qat_crypto.h | 75 |
1 files changed, 75 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..5f9328201 --- /dev/null +++ b/drivers/crypto/qat/qat_common/qat_crypto.h @@ -0,0 +1,75 @@ +/* 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 <linux/list.h> +#include <linux/slab.h> +#include "adf_accel_devices.h" +#include "icp_qat_fw_la.h" + +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; +}; + +#define QAT_MAX_BUFF_DESC 4 + +struct qat_alg_buf { + u32 len; + u32 resrvd; + u64 addr; +} __packed; + +struct qat_alg_buf_list { + u64 resrvd; + u32 num_bufs; + u32 num_mapped_bufs; + struct qat_alg_buf bufers[]; +} __packed; + +struct qat_alg_fixed_buf_list { + struct qat_alg_buf_list sgl_hdr; + struct qat_alg_buf descriptors[QAT_MAX_BUFF_DESC]; +} __packed __aligned(64); + +struct qat_crypto_request_buffs { + struct qat_alg_buf_list *bl; + dma_addr_t blp; + struct qat_alg_buf_list *blout; + dma_addr_t bloutp; + size_t sz; + size_t sz_out; + bool sgl_src_valid; + bool sgl_dst_valid; + struct qat_alg_fixed_buf_list sgl_src; + struct qat_alg_fixed_buf_list sgl_dst; +}; + +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_crypto_request_buffs buf; + void (*cb)(struct icp_qat_fw_la_resp *resp, + struct qat_crypto_request *req); + void *iv; + dma_addr_t iv_paddr; +}; + +#endif |