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/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2019 HiSilicon Limited. */
#ifndef __HISI_HPRE_H
#define __HISI_HPRE_H
#include <linux/list.h>
#include <linux/hisi_acc_qm.h>
#define HPRE_SQE_SIZE sizeof(struct hpre_sqe)
#define HPRE_PF_DEF_Q_NUM 64
#define HPRE_PF_DEF_Q_BASE 0
/*
* type used in qm sqc DW6.
* 0 - Algorithm which has been supported in V2, like RSA, DH and so on;
* 1 - ECC algorithm in V3.
*/
#define HPRE_V2_ALG_TYPE 0
#define HPRE_V3_ECC_ALG_TYPE 1
enum {
HPRE_CLUSTER0,
HPRE_CLUSTER1,
HPRE_CLUSTER2,
HPRE_CLUSTER3,
HPRE_CLUSTERS_NUM_MAX
};
enum hpre_ctrl_dbgfs_file {
HPRE_CLEAR_ENABLE,
HPRE_CLUSTER_CTRL,
HPRE_DEBUG_FILE_NUM,
};
enum hpre_dfx_dbgfs_file {
HPRE_SEND_CNT,
HPRE_RECV_CNT,
HPRE_SEND_FAIL_CNT,
HPRE_SEND_BUSY_CNT,
HPRE_OVER_THRHLD_CNT,
HPRE_OVERTIME_THRHLD,
HPRE_INVALID_REQ_CNT,
HPRE_DFX_FILE_NUM
};
#define HPRE_DEBUGFS_FILE_NUM (HPRE_DEBUG_FILE_NUM + HPRE_CLUSTERS_NUM_MAX - 1)
struct hpre_debugfs_file {
int index;
enum hpre_ctrl_dbgfs_file type;
spinlock_t lock;
struct hpre_debug *debug;
};
struct hpre_dfx {
atomic64_t value;
enum hpre_dfx_dbgfs_file type;
};
/*
* One HPRE controller has one PF and multiple VFs, some global configurations
* which PF has need this structure.
* Just relevant for PF.
*/
struct hpre_debug {
struct hpre_dfx dfx[HPRE_DFX_FILE_NUM];
struct hpre_debugfs_file files[HPRE_DEBUGFS_FILE_NUM];
};
struct hpre {
struct hisi_qm qm;
struct hpre_debug debug;
unsigned long status;
};
enum hpre_alg_type {
HPRE_ALG_NC_NCRT = 0x0,
HPRE_ALG_NC_CRT = 0x1,
HPRE_ALG_KG_STD = 0x2,
HPRE_ALG_KG_CRT = 0x3,
HPRE_ALG_DH_G2 = 0x4,
HPRE_ALG_DH = 0x5,
HPRE_ALG_ECC_MUL = 0xD,
/* shared by x25519 and x448, but x448 is not supported now */
HPRE_ALG_CURVE25519_MUL = 0x10,
};
struct hpre_sqe {
__le32 dw0;
__u8 task_len1;
__u8 task_len2;
__u8 mrttest_num;
__u8 resv1;
__le64 key;
__le64 in;
__le64 out;
__le16 tag;
__le16 resv2;
#define _HPRE_SQE_ALIGN_EXT 7
__le32 rsvd1[_HPRE_SQE_ALIGN_EXT];
};
struct hisi_qp *hpre_create_qp(u8 type);
int hpre_algs_register(struct hisi_qm *qm);
void hpre_algs_unregister(struct hisi_qm *qm);
bool hpre_check_alg_support(struct hisi_qm *qm, u32 alg);
#endif
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