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/* 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 "../qm.h"
/* hisi_zip_sqe dw3 */
#define HZIP_BD_STATUS_M GENMASK(7, 0)
/* hisi_zip_sqe dw7 */
#define HZIP_IN_SGE_DATA_OFFSET_M GENMASK(23, 0)
/* hisi_zip_sqe dw8 */
#define HZIP_OUT_SGE_DATA_OFFSET_M GENMASK(23, 0)
/* hisi_zip_sqe dw9 */
#define HZIP_REQ_TYPE_M GENMASK(7, 0)
#define HZIP_ALG_TYPE_ZLIB 0x02
#define HZIP_ALG_TYPE_GZIP 0x03
#define HZIP_BUF_TYPE_M GENMASK(11, 8)
#define HZIP_PBUFFER 0x0
#define HZIP_SGL 0x1
enum hisi_zip_error_type {
/* negative compression */
HZIP_NC_ERR = 0x0d,
};
struct hisi_zip_ctrl;
struct hisi_zip {
struct hisi_qm qm;
struct list_head list;
struct hisi_zip_ctrl *ctrl;
};
struct hisi_zip_sqe {
u32 consumed;
u32 produced;
u32 comp_data_length;
u32 dw3;
u32 input_data_length;
u32 lba_l;
u32 lba_h;
u32 dw7;
u32 dw8;
u32 dw9;
u32 dw10;
u32 priv_info;
u32 dw12;
u32 tag;
u32 dest_avail_out;
u32 rsvd0;
u32 comp_head_addr_l;
u32 comp_head_addr_h;
u32 source_addr_l;
u32 source_addr_h;
u32 dest_addr_l;
u32 dest_addr_h;
u32 stream_ctx_addr_l;
u32 stream_ctx_addr_h;
u32 cipher_key1_addr_l;
u32 cipher_key1_addr_h;
u32 cipher_key2_addr_l;
u32 cipher_key2_addr_h;
u32 rsvd1[4];
};
struct hisi_zip *find_zip_device(int node);
int hisi_zip_register_to_crypto(void);
void hisi_zip_unregister_from_crypto(void);
#endif
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