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 enum hpre_dfx_dbgfs_file {
  29         HPRE_SEND_CNT,
  30         HPRE_RECV_CNT,
  31         HPRE_SEND_FAIL_CNT,
  32         HPRE_SEND_BUSY_CNT,
  33         HPRE_OVER_THRHLD_CNT,
  34         HPRE_OVERTIME_THRHLD,
  35         HPRE_INVALID_REQ_CNT,
  36         HPRE_DFX_FILE_NUM
  37 };
  38
  39 #define HPRE_DEBUGFS_FILE_NUM    (HPRE_DEBUG_FILE_NUM + HPRE_CLUSTERS_NUM - 1)
  40
  41 struct hpre_debugfs_file {
  42         int index;
  43         enum hpre_ctrl_dbgfs_file type;
  44         spinlock_t lock;
  45         struct hpre_debug *debug;
  46 };
  47
  48 struct hpre_dfx {
  49         atomic64_t value;
  50         enum hpre_dfx_dbgfs_file type;
  51 };
  52
  53 /*
  54  * One HPRE controller has one PF and multiple VFs, some global configurations
  55  * which PF has need this structure.
  56  * Just relevant for PF.
  57  */
  58 struct hpre_debug {
  59         struct hpre_dfx dfx[HPRE_DFX_FILE_NUM];
  60         struct hpre_debugfs_file files[HPRE_DEBUGFS_FILE_NUM];
  61 };
  62
  63 struct hpre {
  64         struct hisi_qm qm;
  65         struct hpre_debug debug;
  66         unsigned long status;
  67 };
  68
  69 enum hpre_alg_type {
  70         HPRE_ALG_NC_NCRT = 0x0,
  71         HPRE_ALG_NC_CRT = 0x1,
  72         HPRE_ALG_KG_STD = 0x2,
  73         HPRE_ALG_KG_CRT = 0x3,
  74         HPRE_ALG_DH_G2 = 0x4,
  75         HPRE_ALG_DH = 0x5,
  76 };
  77
  78 struct hpre_sqe {
  79         __le32 dw0;
  80         __u8 task_len1;
  81         __u8 task_len2;
  82         __u8 mrttest_num;
  83         __u8 resv1;
  84         __le64 key;
  85         __le64 in;
  86         __le64 out;
  87         __le16 tag;
  88         __le16 resv2;
  89 #define _HPRE_SQE_ALIGN_EXT     7
  90         __le32 rsvd1[_HPRE_SQE_ALIGN_EXT];
  91 };
  92
  93 struct hisi_qp *hpre_create_qp(void);
  94 int hpre_algs_register(void);
  95 void hpre_algs_unregister(void);
  96
  97 #endif