drivers/crypto/hisilicon/zip/zip.h

   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 "../qm.h"
  11
  12 /* hisi_zip_sqe dw3 */
  13 #define HZIP_BD_STATUS_M                        GENMASK(7, 0)
  14 /* hisi_zip_sqe dw7 */
  15 #define HZIP_IN_SGE_DATA_OFFSET_M               GENMASK(23, 0)
  16 /* hisi_zip_sqe dw8 */
  17 #define HZIP_OUT_SGE_DATA_OFFSET_M              GENMASK(23, 0)
  18 /* hisi_zip_sqe dw9 */
  19 #define HZIP_REQ_TYPE_M                         GENMASK(7, 0)
  20 #define HZIP_ALG_TYPE_ZLIB                      0x02
  21 #define HZIP_ALG_TYPE_GZIP                      0x03
  22 #define HZIP_BUF_TYPE_M                         GENMASK(11, 8)
  23 #define HZIP_PBUFFER                            0x0
  24 #define HZIP_SGL                                0x1
  25
  26 enum hisi_zip_error_type {
  27         /* negative compression */
  28         HZIP_NC_ERR = 0x0d,
  29 };
  30
  31 struct hisi_zip_ctrl;
  32
  33 struct hisi_zip {
  34         struct hisi_qm qm;
  35         struct list_head list;
  36         struct hisi_zip_ctrl *ctrl;
  37 };
  38
  39 struct hisi_zip_sqe {
  40         u32 consumed;
  41         u32 produced;
  42         u32 comp_data_length;
  43         u32 dw3;
  44         u32 input_data_length;
  45         u32 lba_l;
  46         u32 lba_h;
  47         u32 dw7;
  48         u32 dw8;
  49         u32 dw9;
  50         u32 dw10;
  51         u32 priv_info;
  52         u32 dw12;
  53         u32 tag;
  54         u32 dest_avail_out;
  55         u32 rsvd0;
  56         u32 comp_head_addr_l;
  57         u32 comp_head_addr_h;
  58         u32 source_addr_l;
  59         u32 source_addr_h;
  60         u32 dest_addr_l;
  61         u32 dest_addr_h;
  62         u32 stream_ctx_addr_l;
  63         u32 stream_ctx_addr_h;
  64         u32 cipher_key1_addr_l;
  65         u32 cipher_key1_addr_h;
  66         u32 cipher_key2_addr_l;
  67         u32 cipher_key2_addr_h;
  68         u32 rsvd1[4];
  69 };
  70
  71 int zip_create_qps(struct hisi_qp **qps, int ctx_num);
  72 int hisi_zip_register_to_crypto(void);
  73 void hisi_zip_unregister_from_crypto(void);
  74 #endif