1/* SPDX-License-Identifier: GPL-2.0 */
 2/* Copyright (c) 2019 HiSilicon Limited. */
 3#ifndef HISI_ZIP_H
 4#define HISI_ZIP_H
 5
 6#undef pr_fmt
 7#define pr_fmt(fmt)	"hisi_zip: " fmt
 8
 9#include <linux/list.h>
10#include <linux/hisi_acc_qm.h>
11
12enum hisi_zip_error_type {
13	/* negative compression */
14	HZIP_NC_ERR = 0x0d,
15};
16
17struct hisi_zip_dfx {
18	atomic64_t send_cnt;
19	atomic64_t recv_cnt;
20	atomic64_t send_busy_cnt;
21	atomic64_t err_bd_cnt;
22};
23
24struct hisi_zip_ctrl;
25
26struct hisi_zip {
27	struct hisi_qm qm;
28	struct hisi_zip_ctrl *ctrl;
29	struct hisi_zip_dfx dfx;
30};
31
32struct hisi_zip_sqe {
33	u32 consumed;
34	u32 produced;
35	u32 comp_data_length;
36	/*
37	 * status: 0~7 bits
38	 * rsvd: 8~31 bits
39	 */
40	u32 dw3;
41	u32 input_data_length;
42	u32 dw5;
43	u32 dw6;
44	/*
45	 * in_sge_data_offset: 0~23 bits
46	 * rsvd: 24~27 bits
47	 * sqe_type: 29~31 bits
48	 */
49	u32 dw7;
50	/*
51	 * out_sge_data_offset: 0~23 bits
52	 * rsvd: 24~31 bits
53	 */
54	u32 dw8;
55	/*
56	 * request_type: 0~7 bits
57	 * buffer_type: 8~11 bits
58	 * rsvd: 13~31 bits
59	 */
60	u32 dw9;
61	u32 dw10;
62	u32 dw11;
63	u32 dw12;
64	/* tag: in sqe type 0 */
65	u32 dw13;
66	u32 dest_avail_out;
67	u32 dw15;
68	u32 dw16;
69	u32 dw17;
70	u32 source_addr_l;
71	u32 source_addr_h;
72	u32 dest_addr_l;
73	u32 dest_addr_h;
74	u32 dw22;
75	u32 dw23;
76	u32 dw24;
77	u32 dw25;
78	/* tag: in sqe type 3 */
79	u32 dw26;
80	u32 dw27;
81	u32 rsvd1[4];
82};
83
84int zip_create_qps(struct hisi_qp **qps, int qp_num, int node);
85int hisi_zip_register_to_crypto(struct hisi_qm *qm);
86void hisi_zip_unregister_from_crypto(struct hisi_qm *qm);
87bool hisi_zip_alg_support(struct hisi_qm *qm, u32 alg);
88#endif