/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright (c) 2019 HiSilicon Limited. */ #ifndef __HISI_SEC_V2_H #define __HISI_SEC_V2_H #include #include "sec_crypto.h" /* Algorithm resource per hardware SEC queue */ struct sec_alg_res { u8 *pbuf; dma_addr_t pbuf_dma; u8 *c_ivin; dma_addr_t c_ivin_dma; u8 *a_ivin; dma_addr_t a_ivin_dma; u8 *out_mac; dma_addr_t out_mac_dma; u16 depth; }; /* Cipher request of SEC private */ struct sec_cipher_req { struct hisi_acc_hw_sgl *c_out; dma_addr_t c_out_dma; u8 *c_ivin; dma_addr_t c_ivin_dma; struct skcipher_request *sk_req; u32 c_len; bool encrypt; }; struct sec_aead_req { u8 *out_mac; dma_addr_t out_mac_dma; u8 *a_ivin; dma_addr_t a_ivin_dma; struct aead_request *aead_req; }; /* SEC request of Crypto */ struct sec_req { union { struct sec_sqe sec_sqe; struct sec_sqe3 sec_sqe3; }; struct sec_ctx *ctx; struct sec_qp_ctx *qp_ctx; /** * Common parameter of the SEC request. */ struct hisi_acc_hw_sgl *in; dma_addr_t in_dma; struct sec_cipher_req c_req; struct sec_aead_req aead_req; struct list_head backlog_head; int err_type; int req_id; u32 flag; /* Status of the SEC request */ bool fake_busy; bool use_pbuf; }; /** * struct sec_req_op - Operations for SEC request * @buf_map: DMA map the SGL buffers of the request * @buf_unmap: DMA unmap the SGL buffers of the request * @bd_fill: Fill the SEC queue BD * @bd_send: Send the SEC BD into the hardware queue * @callback: Call back for the request * @process: Main processing logic of Skcipher */ struct sec_req_op { int (*buf_map)(struct sec_ctx *ctx, struct sec_req *req); void (*buf_unmap)(struct sec_ctx *ctx, struct sec_req *req); void (*do_transfer)(struct sec_ctx *ctx, struct sec_req *req); int (*bd_fill)(struct sec_ctx *ctx, struct sec_req *req); int (*bd_send)(struct sec_ctx *ctx, struct sec_req *req); void (*callback)(struct sec_ctx *ctx, struct sec_req *req, int err); int (*process)(struct sec_ctx *ctx, struct sec_req *req); }; /* SEC auth context */ struct sec_auth_ctx { dma_addr_t a_key_dma; u8 *a_key; u8 a_key_len; u8 mac_len; u8 a_alg; bool fallback; struct crypto_shash *hash_tfm; struct crypto_aead *fallback_aead_tfm; }; /* SEC cipher context which cipher's relatives */ struct sec_cipher_ctx { u8 *c_key; dma_addr_t c_key_dma; sector_t iv_offset; u32 c_gran_size; u32 ivsize; u8 c_mode; u8 c_alg; u8 c_key_len; /* add software support */ bool fallback; struct crypto_sync_skcipher *fbtfm; }; /* SEC queue context which defines queue's relatives */ struct sec_qp_ctx { struct hisi_qp *qp; struct sec_req **req_list; struct idr req_idr; struct sec_alg_res *res; struct sec_ctx *ctx; spinlock_t req_lock; struct list_head backlog; struct hisi_acc_sgl_pool *c_in_pool; struct hisi_acc_sgl_pool *c_out_pool; }; enum sec_alg_type { SEC_SKCIPHER, SEC_AEAD }; /* SEC Crypto TFM context which defines queue and cipher .etc relatives */ struct sec_ctx { struct sec_qp_ctx *qp_ctx; struct sec_dev *sec; const struct sec_req_op *req_op; struct hisi_qp **qps; /* Half queues for encipher, and half for decipher */ u32 hlf_q_num; /* Threshold for fake busy, trigger to return -EBUSY to user */ u32 fake_req_limit; /* Current cyclic index to select a queue for encipher */ atomic_t enc_qcyclic; /* Current cyclic index to select a queue for decipher */ atomic_t dec_qcyclic; enum sec_alg_type alg_type; bool pbuf_supported; struct sec_cipher_ctx c_ctx; struct sec_auth_ctx a_ctx; u8 type_supported; struct device *dev; }; enum sec_debug_file_index { SEC_CLEAR_ENABLE, SEC_DEBUG_FILE_NUM, }; struct sec_debug_file { enum sec_debug_file_index index; spinlock_t lock; struct hisi_qm *qm; }; struct sec_dfx { atomic64_t send_cnt; atomic64_t recv_cnt; atomic64_t send_busy_cnt; atomic64_t recv_busy_cnt; atomic64_t err_bd_cnt; atomic64_t invalid_req_cnt; atomic64_t done_flag_cnt; }; struct sec_debug { struct sec_dfx dfx; struct sec_debug_file files[SEC_DEBUG_FILE_NUM]; }; struct sec_dev { struct hisi_qm qm; struct sec_debug debug; u32 ctx_q_num; bool iommu_used; }; enum sec_cap_type { SEC_QM_NFE_MASK_CAP = 0x0, SEC_QM_RESET_MASK_CAP, SEC_QM_OOO_SHUTDOWN_MASK_CAP, SEC_QM_CE_MASK_CAP, SEC_NFE_MASK_CAP, SEC_RESET_MASK_CAP, SEC_OOO_SHUTDOWN_MASK_CAP, SEC_CE_MASK_CAP, SEC_CLUSTER_NUM_CAP, SEC_CORE_TYPE_NUM_CAP, SEC_CORE_NUM_CAP, SEC_CORES_PER_CLUSTER_NUM_CAP, SEC_CORE_ENABLE_BITMAP, SEC_DRV_ALG_BITMAP_LOW, SEC_DRV_ALG_BITMAP_HIGH, SEC_DEV_ALG_BITMAP_LOW, SEC_DEV_ALG_BITMAP_HIGH, SEC_CORE1_ALG_BITMAP_LOW, SEC_CORE1_ALG_BITMAP_HIGH, SEC_CORE2_ALG_BITMAP_LOW, SEC_CORE2_ALG_BITMAP_HIGH, SEC_CORE3_ALG_BITMAP_LOW, SEC_CORE3_ALG_BITMAP_HIGH, SEC_CORE4_ALG_BITMAP_LOW, SEC_CORE4_ALG_BITMAP_HIGH, }; void sec_destroy_qps(struct hisi_qp **qps, int qp_num); struct hisi_qp **sec_create_qps(void); int sec_register_to_crypto(struct hisi_qm *qm); void sec_unregister_from_crypto(struct hisi_qm *qm); u64 sec_get_alg_bitmap(struct hisi_qm *qm, u32 high, u32 low); #endif