root/drivers/crypto/hisilicon/zip/zip.h

INCLUDED FROM

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