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 <linux/hisi_acc_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 /* 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 0 19 #define HPRE_V3_ECC_ALG_TYPE 1 20 21 enum { 22 HPRE_CLUSTER0, 23 HPRE_CLUSTER1, 24 HPRE_CLUSTER2, 25 HPRE_CLUSTER3, 26 HPRE_CLUSTERS_NUM_MAX 27 }; 28 29 enum hpre_ctrl_dbgfs_file { 30 HPRE_CLEAR_ENABLE, 31 HPRE_CLUSTER_CTRL, 32 HPRE_DEBUG_FILE_NUM, 33 }; 34 35 enum 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_NUM 44 }; 45 46 #define HPRE_DEBUGFS_FILE_NUM (HPRE_DEBUG_FILE_NUM + HPRE_CLUSTERS_NUM_MAX - 1) 47 48 struct hpre_debugfs_file { 49 int index; 50 enum hpre_ctrl_dbgfs_file type; 51 spinlock_t lock; 52 struct hpre_debug *debug; 53 }; 54 55 struct 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 configurations 62 * which PF has need this structure. 63 * Just relevant for PF. 64 */ 65 struct hpre_debug { 66 struct hpre_dfx dfx[HPRE_DFX_FILE_NUM]; 67 struct hpre_debugfs_file files[HPRE_DEBUGFS_FILE_NUM]; 68 }; 69 70 struct hpre { 71 struct hisi_qm qm; 72 struct hpre_debug debug; 73 unsigned long status; 74 }; 75 76 enum 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 88 struct 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 7 100 __le32 rsvd1[_HPRE_SQE_ALIGN_EXT]; 101 }; 102 103 struct hisi_qp *hpre_create_qp(u8 type); 104 int hpre_algs_register(struct hisi_qm *qm); 105 void hpre_algs_unregister(struct hisi_qm *qm); 106 bool hpre_check_alg_support(struct hisi_qm *qm, u32 alg); 107 #endif 108