108 lines · c
1/* SPDX-License-Identifier: GPL-2.0 */2/* Copyright (c) 2019 HiSilicon Limited. */3#ifndef __HISI_HPRE_H4#define __HISI_HPRE_H5 6#include <linux/list.h>7#include <linux/hisi_acc_qm.h>8 9#define HPRE_SQE_SIZE sizeof(struct hpre_sqe)10#define HPRE_PF_DEF_Q_NUM 6411#define HPRE_PF_DEF_Q_BASE 012 13/*14 * type used in qm sqc DW6.15 * 0 - Algorithm which has been supported in V2, like RSA, DH and so on;16 * 1 - ECC algorithm in V3.17 */18#define HPRE_V2_ALG_TYPE 019#define HPRE_V3_ECC_ALG_TYPE 120 21enum {22 HPRE_CLUSTER0,23 HPRE_CLUSTER1,24 HPRE_CLUSTER2,25 HPRE_CLUSTER3,26 HPRE_CLUSTERS_NUM_MAX27};28 29enum hpre_ctrl_dbgfs_file {30 HPRE_CLEAR_ENABLE,31 HPRE_CLUSTER_CTRL,32 HPRE_DEBUG_FILE_NUM,33};34 35enum hpre_dfx_dbgfs_file {36 HPRE_SEND_CNT,37 HPRE_RECV_CNT,38 HPRE_SEND_FAIL_CNT,39 HPRE_SEND_BUSY_CNT,40 HPRE_OVER_THRHLD_CNT,41 HPRE_OVERTIME_THRHLD,42 HPRE_INVALID_REQ_CNT,43 HPRE_DFX_FILE_NUM44};45 46#define HPRE_DEBUGFS_FILE_NUM (HPRE_DEBUG_FILE_NUM + HPRE_CLUSTERS_NUM_MAX - 1)47 48struct hpre_debugfs_file {49 int index;50 enum hpre_ctrl_dbgfs_file type;51 spinlock_t lock;52 struct hpre_debug *debug;53};54 55struct hpre_dfx {56 atomic64_t value;57 enum hpre_dfx_dbgfs_file type;58};59 60/*61 * One HPRE controller has one PF and multiple VFs, some global configurations62 * which PF has need this structure.63 * Just relevant for PF.64 */65struct hpre_debug {66 struct hpre_dfx dfx[HPRE_DFX_FILE_NUM];67 struct hpre_debugfs_file files[HPRE_DEBUGFS_FILE_NUM];68};69 70struct hpre {71 struct hisi_qm qm;72 struct hpre_debug debug;73 unsigned long status;74};75 76enum hpre_alg_type {77 HPRE_ALG_NC_NCRT = 0x0,78 HPRE_ALG_NC_CRT = 0x1,79 HPRE_ALG_KG_STD = 0x2,80 HPRE_ALG_KG_CRT = 0x3,81 HPRE_ALG_DH_G2 = 0x4,82 HPRE_ALG_DH = 0x5,83 HPRE_ALG_ECC_MUL = 0xD,84 /* shared by x25519 and x448, but x448 is not supported now */85 HPRE_ALG_CURVE25519_MUL = 0x10,86};87 88struct hpre_sqe {89 __le32 dw0;90 __u8 task_len1;91 __u8 task_len2;92 __u8 mrttest_num;93 __u8 resv1;94 __le64 key;95 __le64 in;96 __le64 out;97 __le16 tag;98 __le16 resv2;99#define _HPRE_SQE_ALIGN_EXT 7100 __le32 rsvd1[_HPRE_SQE_ALIGN_EXT];101};102 103struct hisi_qp *hpre_create_qp(u8 type);104int hpre_algs_register(struct hisi_qm *qm);105void hpre_algs_unregister(struct hisi_qm *qm);106bool hpre_check_alg_support(struct hisi_qm *qm, u32 alg);107#endif108