/* SPDX-License-Identifier: GPL-2.0-only */ /* Copyright(c) 2014 - 2022 Intel Corporation */ #ifndef QAT_BL_H #define QAT_BL_H #include <linux/crypto.h> #include <linux/scatterlist.h> #include <linux/types.h> #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_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_sgl_to_bufl_params { dma_addr_t extra_dst_buff; size_t sz_extra_dst_buff; }; void qat_bl_free_bufl(struct adf_accel_dev *accel_dev, struct qat_request_buffs *buf); int qat_bl_sgl_to_bufl(struct adf_accel_dev *accel_dev, struct scatterlist *sgl, struct scatterlist *sglout, struct qat_request_buffs *buf, struct qat_sgl_to_bufl_params *params, gfp_t flags); 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; } int qat_bl_realloc_map_new_dst(struct adf_accel_dev *accel_dev, struct scatterlist **newd, unsigned int dlen, struct qat_request_buffs *qat_bufs, gfp_t gfp); #endif