xref: /kernel/linux/linux-6.6/drivers/crypto/hisilicon/zip/zip.h (revision 62306a36)

/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2019 HiSilicon Limited. */
#ifndef HISI_ZIP_H
#define HISI_ZIP_H

#undef pr_fmt
#define pr_fmt(fmt)	"hisi_zip: " fmt

#include <linux/list.h>
#include <linux/hisi_acc_qm.h>

enum hisi_zip_error_type {
	/* negative compression */
	HZIP_NC_ERR = 0x0d,
};

struct hisi_zip_dfx {
	atomic64_t send_cnt;
	atomic64_t recv_cnt;
	atomic64_t send_busy_cnt;
	atomic64_t err_bd_cnt;
};

struct hisi_zip_ctrl;

struct hisi_zip {
	struct hisi_qm qm;
	struct hisi_zip_ctrl *ctrl;
	struct hisi_zip_dfx dfx;
};

struct hisi_zip_sqe {
	u32 consumed;
	u32 produced;
	u32 comp_data_length;
	/*
	 * status: 0~7 bits
	 * rsvd: 8~31 bits
	 */
	u32 dw3;
	u32 input_data_length;
	u32 dw5;
	u32 dw6;
	/*
	 * in_sge_data_offset: 0~23 bits
	 * rsvd: 24~27 bits
	 * sqe_type: 29~31 bits
	 */
	u32 dw7;
	/*
	 * out_sge_data_offset: 0~23 bits
	 * rsvd: 24~31 bits
	 */
	u32 dw8;
	/*
	 * request_type: 0~7 bits
	 * buffer_type: 8~11 bits
	 * rsvd: 13~31 bits
	 */
	u32 dw9;
	u32 dw10;
	u32 dw11;
	u32 dw12;
	/* tag: in sqe type 0 */
	u32 dw13;
	u32 dest_avail_out;
	u32 dw15;
	u32 dw16;
	u32 dw17;
	u32 source_addr_l;
	u32 source_addr_h;
	u32 dest_addr_l;
	u32 dest_addr_h;
	u32 dw22;
	u32 dw23;
	u32 dw24;
	u32 dw25;
	/* tag: in sqe type 3 */
	u32 dw26;
	u32 dw27;
	u32 rsvd1[4];
};

int zip_create_qps(struct hisi_qp **qps, int qp_num, int node);
int hisi_zip_register_to_crypto(struct hisi_qm *qm);
void hisi_zip_unregister_from_crypto(struct hisi_qm *qm);
bool hisi_zip_alg_support(struct hisi_qm *qm, u32 alg);
#endif