drivers/crypto/hisilicon/hpre/hpre.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* Copyright (c) 2019 HiSilicon Limited. */
   3 #ifndef __HISI_HPRE_H
   4 #define __HISI_HPRE_H
   5
   6 #include <linux/list.h>
   7 #include "../qm.h"
   8
   9 #define HPRE_SQE_SIZE                   sizeof(struct hpre_sqe)
  10 #define HPRE_PF_DEF_Q_NUM               64
  11 #define HPRE_PF_DEF_Q_BASE              0
  12
  13 enum {
  14         HPRE_CLUSTER0,
  15         HPRE_CLUSTER1,
  16         HPRE_CLUSTER2,
  17         HPRE_CLUSTER3,
  18         HPRE_CLUSTERS_NUM,
  19 };
  20
  21 enum hpre_ctrl_dbgfs_file {
  22         HPRE_CURRENT_QM,
  23         HPRE_CLEAR_ENABLE,
  24         HPRE_CLUSTER_CTRL,
  25         HPRE_DEBUG_FILE_NUM,
  26 };
  27
  28 #define HPRE_DEBUGFS_FILE_NUM    (HPRE_DEBUG_FILE_NUM + HPRE_CLUSTERS_NUM - 1)
  29
  30 struct hpre_debugfs_file {
  31         int index;
  32         enum hpre_ctrl_dbgfs_file type;
  33         spinlock_t lock;
  34         struct hpre_debug *debug;
  35 };
  36
  37 /*
  38  * One HPRE controller has one PF and multiple VFs, some global configurations
  39  * which PF has need this structure.
  40  * Just relevant for PF.
  41  */
  42 struct hpre_debug {
  43         struct dentry *debug_root;
  44         struct hpre_debugfs_file files[HPRE_DEBUGFS_FILE_NUM];
  45 };
  46
  47 struct hpre {
  48         struct hisi_qm qm;
  49         struct list_head list;
  50         struct hpre_debug debug;
  51         u32 num_vfs;
  52         unsigned long status;
  53 };
  54
  55 enum hpre_alg_type {
  56         HPRE_ALG_NC_NCRT = 0x0,
  57         HPRE_ALG_NC_CRT = 0x1,
  58         HPRE_ALG_KG_STD = 0x2,
  59         HPRE_ALG_KG_CRT = 0x3,
  60         HPRE_ALG_DH_G2 = 0x4,
  61         HPRE_ALG_DH = 0x5,
  62 };
  63
  64 struct hpre_sqe {
  65         __le32 dw0;
  66         __u8 task_len1;
  67         __u8 task_len2;
  68         __u8 mrttest_num;
  69         __u8 resv1;
  70         __le64 key;
  71         __le64 in;
  72         __le64 out;
  73         __le16 tag;
  74         __le16 resv2;
  75 #define _HPRE_SQE_ALIGN_EXT     7
  76         __le32 rsvd1[_HPRE_SQE_ALIGN_EXT];
  77 };
  78
  79 struct hpre *hpre_find_device(int node);
  80 int hpre_algs_register(void);
  81 void hpre_algs_unregister(void);
  82
  83 #endif